WO2025040102A1 - Ensemble brûleur et poêle - Google Patents

Ensemble brûleur et poêle Download PDF

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Publication number
WO2025040102A1
WO2025040102A1 PCT/CN2024/113485 CN2024113485W WO2025040102A1 WO 2025040102 A1 WO2025040102 A1 WO 2025040102A1 CN 2024113485 W CN2024113485 W CN 2024113485W WO 2025040102 A1 WO2025040102 A1 WO 2025040102A1
Authority
WO
WIPO (PCT)
Prior art keywords
burner
fire hole
flame
hole
height difference
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
PCT/CN2024/113485
Other languages
English (en)
Chinese (zh)
Inventor
陈帅
谭争鸣
张炳卫
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Wuhu Midea Smart Kitchen Appliance Manufacturing Co Ltd
Original Assignee
Wuhu Midea Smart Kitchen Appliance Manufacturing Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from CN202322255825.5U external-priority patent/CN220541086U/zh
Priority claimed from CN202322255631.5U external-priority patent/CN220541088U/zh
Priority claimed from CN202311055052.4A external-priority patent/CN119492046A/zh
Priority claimed from CN202311057897.7A external-priority patent/CN119492048B/zh
Priority claimed from CN202311055729.4A external-priority patent/CN117053195B/zh
Application filed by Wuhu Midea Smart Kitchen Appliance Manufacturing Co Ltd filed Critical Wuhu Midea Smart Kitchen Appliance Manufacturing Co Ltd
Publication of WO2025040102A1 publication Critical patent/WO2025040102A1/fr
Anticipated expiration legal-status Critical
Pending legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23D—BURNERS
    • F23D14/00—Burners for combustion of a gas, e.g. of a gas stored under pressure as a liquid
    • F23D14/02—Premix gas burners, i.e. in which gaseous fuel is mixed with combustion air upstream of the combustion zone
    • F23D14/04—Premix gas burners, i.e. in which gaseous fuel is mixed with combustion air upstream of the combustion zone induction type, e.g. Bunsen burner
    • F23D14/06—Premix gas burners, i.e. in which gaseous fuel is mixed with combustion air upstream of the combustion zone induction type, e.g. Bunsen burner with radial outlets at the burner head
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23D—BURNERS
    • F23D2207/00—Ignition devices associated with burner
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23D—BURNERS
    • F23D2900/00—Special features of, or arrangements for burners using fluid fuels or solid fuels suspended in a carrier gas
    • F23D2900/14—Special features of gas burners
    • F23D2900/14062—Special features of gas burners for cooking ranges having multiple flame rings

Definitions

  • the invention relates to the technical field of kitchen appliances, and in particular to a burner assembly and a stove.
  • a plurality of burners are combined to form a multi-ring structure, which makes the structure of the burner relatively complex, resulting in poor air circulation inside the plurality of burners and poor flame uniformity.
  • Embodiments of the present invention provide a burner assembly and a cooker.
  • an embodiment of the present invention provides a burner assembly, the burner assembly comprising:
  • a first burner the first burner is annular and has a first fire hole formed on the inner periphery;
  • the second burner is annular and has a second fire hole formed on the inner periphery.
  • the second burner is arranged above the first burner, and the inner diameter of the second burner is larger than that of the first burner.
  • the burner assembly is configured such that the second burner is arranged above the first burner, and the inner diameter of the second burner is larger than the inner diameter of the first burner.
  • the second burner can be ignited from the inner periphery by drawing the flame upward, thereby ensuring the uniformity of the flame at the bottom of the pot.
  • the structure is simple and convenient.
  • the inner diameter of the second burner is 1.2 to 2.5 times the inner diameter of the first burner.
  • the inner diameter of the second burner is 1.5 times the inner diameter of the first burner.
  • the heating area of the pot bottom and the cooking efficiency can be further improved while ensuring that the flame covers the pot bottom well.
  • the first burner includes a first lower plate, a first upper plate disposed on the first lower plate, and a first partition plate, the first lower plate is formed with a first lower hole, the first upper plate is formed with a first upper hole corresponding to the first lower hole, the first lower hole and the first upper hole form the first fire hole, and the first partition plate is disposed between the first lower plate and the first upper plate, and separates the first lower hole from the first upper hole;
  • the depth direction of the first fire hole forms an angle ⁇ 1 with the plane where the first upper plate is located, and the range of the angle ⁇ 1 is (0°, 90°).
  • the first fire hole of the first burner is inclined inwardly into a cone shape, thereby ensuring the flame gathering effect of the first burner, thereby improving the flame intensity and heating efficiency of the first burner.
  • the angle ⁇ 1 is in the range of (0°, 60°).
  • the ⁇ 1 angle is 40°.
  • the second burner includes a second lower plate, a second upper plate and a second partition plate disposed on the second lower plate, the second lower plate is formed with a second lower hole, the second upper plate is formed with a second upper hole corresponding to the second lower hole, the second lower hole and the second upper hole form the second fire hole, and the second partition plate is disposed between the second lower plate and the second upper plate and separates the second lower hole from the second upper hole;
  • the depth direction of the second fire hole forms an angle ⁇ 2 with the plane where the second upper plate is located, and the range of the angle ⁇ 2 is (0°, 90°).
  • the second fire hole of the second burner is inclined inwardly into a cone shape, thereby ensuring the flame gathering effect of the second burner, thereby improving the flame intensity and heating efficiency of the second burner.
  • the angle ⁇ 2 is in the range of (0°, 60°).
  • the ⁇ 2 angle is 40°.
  • first height difference between the first fire hole and the second fire hole, and the first height difference is in the range of (15 mm, 40 mm).
  • the ignition efficiency and heat dissipation efficiency of the burner assembly are improved.
  • the first height difference is greater than 40 mm, the first height difference is too large, so that the distance between the first burner and the second burner is too far, and it is difficult to assist the ignition of the second burner by the flame of the first burner.
  • the first height difference is less than 15 mm, the first height difference is too small, so that the distance between the first burner and the second burner is too close, the heat dissipation effect is poor, and the internal heat of the burner assembly is too high, which is easy to cause safety hazards.
  • first height difference between the first fire hole and the second fire hole, and the first height difference is in the range of (20 mm, 30 mm).
  • the ignition efficiency and heat dissipation efficiency of the burner assembly are further improved.
  • the first height difference is greater than 30 mm, the first height difference is too large, so that the distance between the first burner and the second burner is too far, and it is difficult to assist the ignition of the second burner by the flame of the first combustion.
  • the first height difference is less than 20 mm, the first height difference is too small, so that the distance between the first burner and the second burner is too close, the heat dissipation effect is poor, and the internal heat of the burner assembly is too high, which is easy to cause safety hazards.
  • first height difference between the first fire hole and the second fire hole there is a first height difference between the first fire hole and the second fire hole, and the first height difference is 23.65 mm.
  • a depth direction of the first fire hole is inclined relative to a radial direction of the first burner to form a first deflection angle, and the range of the first deflection angle is (0, 45°).
  • the flame of the first fire hole is gathered in a spiral shape to increase the flame intensity and ensure the combustion efficiency of the gas.
  • a depth direction of the first fire hole is inclined relative to a radial direction of the first burner to form a first deflection angle, and the range of the first deflection angle is (0, 30°).
  • a depth direction of the first fire hole is inclined relative to a radial direction of the first burner to form a first deflection angle, and the first deflection angle is 30°.
  • a depth direction of the second fire hole is inclined relative to a radial direction of the second burner to form a second deflection angle, and the range of the second deflection angle is (0, 45°).
  • the flame of the second fire hole is gathered in a spiral shape to increase the flame intensity and ensure the combustion efficiency of the gas.
  • a depth direction of the second fire hole is inclined relative to a radial direction of the second burner to form a second deflection angle, and the range of the second deflection angle is (0, 30°).
  • a depth direction of the second fire hole is inclined relative to a radial direction of the second burner to form a second deflection angle, and the second deflection angle is 30°.
  • the burner assembly includes a guide plate, which is arranged between the first burner and the second burner, and there is a second height difference between the guide plate and the top of the first fire hole, and there is a third height difference between the guide plate and the bottom of the second fire hole, and the third height difference is greater than the second height difference.
  • the first burner, the second burner and the guide plate are respectively kept at an appropriate distance to improve the air flow inside the burner assembly, thereby improving the combustion efficiency of the burner assembly.
  • the second height difference is in the range of (0, 8 mm).
  • the second height difference is 5 mm.
  • the third height difference is in the range of (0, 15 mm).
  • the bottom of the second burner is kept at an appropriate distance from the guide plate to improve the supply of secondary air, thereby improving the combustion efficiency and ensuring the flame uniformity of the burner assembly.
  • the third height difference is 9 mm.
  • the first lower plate is concave to form a first lower channel
  • the first upper plate is convex to form a first upper channel
  • the first lower hole and the first upper hole are opposite to each other to form a first fire hole of the first burner.
  • the first upper channel of the first upper plate and the first lower channel of the first lower plate are arranged opposite to each other, so that the first fire holes of the first burner are formed opposite to each other, thereby increasing the total area of the fire holes of the first burner, and further increasing the flame intensity and load upper limit of the first burner.
  • the second lower plate is concave to form a second lower channel
  • the second upper plate is convex to form a second upper channel
  • the second lower hole channel and the second upper hole channel are opposite to each other to form a second fire hole of the second burner.
  • the second upper channel of the second upper plate and the second lower channel of the second lower plate are arranged opposite to each other, so that the second fire holes of the second burner are formed opposite to each other, thereby increasing the total area of the fire holes of the second burner, and further increasing the flame intensity and load upper limit of the second burner.
  • a first fire transfer gap is formed between the first upper plate and the first partition plate, and the first fire transfer gap communicates with two adjacent first fire holes.
  • the burner assembly further includes an ignition module, which includes an ignition needle, a thermocouple and a first bracket, wherein the ignition needle and the thermocouple are fixed to the first bracket, and the ignition module is configured such that the ignition needle is disposed adjacent to the first fire hole.
  • an ignition module which includes an ignition needle, a thermocouple and a first bracket, wherein the ignition needle and the thermocouple are fixed to the first bracket, and the ignition module is configured such that the ignition needle is disposed adjacent to the first fire hole.
  • the ignition module integrates the ignition needle and the thermocouple into one, so that the ignition needle is close to the first fire hole and located inside the burner assembly, so as to improve the ignition success rate of the first burner and the second burner, and the installation is simple.
  • each of the first burner and the second burner includes a burner body and a guide plate.
  • a gas passage is formed inside the burner body, and an inner ring fire hole and an outer ring fire hole are provided which are respectively connected to the gas passage, and the outer ring fire hole is arranged outside the inner ring fire hole.
  • the burner body is also formed with a supplementary gas channel which is independent of the gas passage, and the supplementary gas channel includes an air inlet located on the outer side wall of the burner body and an air outlet located between the inner ring fire hole and the outer ring fire hole.
  • the guide plate is provided at the air outlet, and cooperates with the inner wall of the supplementary gas channel to define an inner ring supplementary gas port and an outer ring supplementary gas port which flow toward the inner ring fire hole and the outer ring fire hole respectively.
  • An embodiment of the present invention provides a stove, which includes the burner assembly described in any one of the above embodiments.
  • the stove sets the second burner above the first burner, and the inner diameter of the second burner is larger than the inner diameter of the first burner.
  • the second burner can be ignited from the inner periphery by drawing the flame upward, thereby ensuring the uniformity of the flame at the bottom of the pot.
  • the structure is simple, convenient and fast.
  • an embodiment of the present invention provides a burner assembly, the burner assembly comprising:
  • a first burner the first burner is annular and has a first fire hole formed on the inner periphery;
  • the second burner is annular and has a second fire hole formed on the inner periphery, the second burner is arranged above the first burner, and the inner diameter of the second burner is larger than the inner diameter of the first burner;
  • An ignition module comprises an ignition needle, a thermocouple and a first bracket, wherein the ignition needle and the thermocouple are fixed on the first bracket, and the ignition module is configured such that the ignition needle is arranged close to the first ignition hole.
  • the ignition module integrates the ignition needle and the thermocouple into one, so that the ignition needle is close to the first fire hole and is located inside the burner assembly, so as to improve the ignition success rate of the first burner and the second burner, and the installation is simple.
  • the ignition module is disposed between the first burner and the second burner.
  • the ignition module is arranged inside the burner assembly to avoid damage caused by accidental collision, thereby improving the stability and ignition efficiency of the ignition module.
  • the length direction of the ignition needle forms an angle ⁇ with the central axis of the first burner, and the range of the angle ⁇ is (30°, 90°).
  • the ignition needle is brought close to the first fire hole from above the inner periphery of the first burner to ignite the fuel gas of the first fire hole, thereby improving the ignition success rate.
  • the length direction of the ignition needle forms an angle ⁇ with the central axis of the first burner, and the range of the angle ⁇ is (60°, 70°).
  • the ignition module is disposed inside the first burner.
  • the ignition needle is brought close to the first fire hole from below the inner periphery of the first burner to ignite the fuel gas in the first fire hole, thereby improving the ignition success rate.
  • the first bracket includes a fixing plate and two groups of spring plates extending from the fixing plate, each group of the spring plates forms a corresponding slot, and the ignition needle and the thermocouple are respectively fixed in the slot.
  • the first burner includes a first lower plate, a first upper plate arranged on the first lower plate, and a first partition plate
  • the first lower plate is formed with a first lower channel
  • the first upper plate is formed with a first upper channel corresponding to the first lower channel
  • the first lower channel and the first upper channel are opposite to each other to form the first fire hole
  • the first partition plate is arranged between the first lower plate and the first upper plate, and separates the first lower channel from the first upper channel.
  • the first upper channel of the first upper plate and the first lower channel of the first lower plate are arranged opposite to each other, so that the first fire holes of the first burner are formed opposite to each other, thereby increasing the total area of the fire holes of the first burner, and further increasing the flame intensity and load upper limit of the first burner.
  • the first separation plate is formed with a protrusion configured to contact an arc generated by the ignition needle.
  • the first partition plate forms a protrusion, which contacts the arc generated by the ignition needle to prevent the arc from running away, thereby improving the ignition success rate and enhancing the user experience. Test.
  • the second burner includes a second lower plate, a second upper plate and a second partition plate arranged on the second lower plate, the second lower plate is formed with a second lower channel, the second upper plate is formed with a second upper channel corresponding to the second lower channel, the second lower channel and the second upper channel are opposite to each other to form the second fire hole, and the second partition plate is arranged between the second lower plate and the second upper plate, and separates the second lower channel from the second upper channel.
  • the second upper channel of the second upper plate and the second lower channel of the second lower plate are arranged opposite to each other, so that the second fire holes of the second burner are formed opposite to each other, thereby increasing the total area of the fire holes of the second burner, and further increasing the flame intensity and load upper limit of the second burner.
  • the inner diameter of the second burner is 1.2 to 2.5 times the inner diameter of the first burner.
  • the inner diameter of the second burner is 1.5 times the inner diameter of the first burner.
  • the heating area of the pot bottom and the cooking efficiency can be further improved while ensuring that the flame covers the pot bottom well.
  • the burner assembly includes a second bracket, the first bracket is formed with a fixing hole, and the ignition module is mounted on the second bracket through the fixing hole.
  • the ignition needle is directed toward and close to the protrusion, thereby ensuring ignition efficiency.
  • first height difference between the first fire hole and the second fire hole, and the first height difference is in the range of (15 mm, 40 mm).
  • the ignition efficiency and heat dissipation efficiency of the burner assembly are improved.
  • the first height difference is greater than 40 mm, the first height difference is too large, so that the distance between the first burner and the second burner is too far, and it is difficult to assist the ignition of the second burner by the flame of the first burner.
  • the first height difference is less than 15 mm, the first height difference is too small, so that the distance between the first burner and the second burner is too close, the heat dissipation effect is poor, and the internal heat of the burner assembly is too high, which is easy to cause safety hazards.
  • first height difference between the first fire hole and the second fire hole, and the first height difference is in the range of (20 mm, 30 mm).
  • the ignition efficiency and heat dissipation efficiency of the burner assembly are further improved.
  • the first height difference is greater than 30 mm, the first height difference is too large, so that the distance between the first burner and the second burner is too far, and it is difficult to assist the ignition of the second burner by the flame of the first combustion.
  • the first height difference is less than 20 mm, the first height difference is too small, so that the distance between the first burner and the second burner is too close, the heat dissipation effect is poor, and the internal heat of the burner assembly is too high, which is easy to cause safety hazards.
  • first height difference between the first fire hole and the second fire hole there is a first height difference between the first fire hole and the second fire hole, and the first height difference is 23.65 mm.
  • the burner assembly includes a guide plate, which is arranged between the first burner and the second burner, and there is a second height difference between the guide plate and the top of the first fire hole, and there is a third height difference between the guide plate and the bottom of the second fire hole, and the third height difference is greater than the second height difference.
  • the first burner, the second burner and the guide plate are respectively kept at an appropriate distance to improve the air flow inside the burner assembly, thereby improving the combustion efficiency of the burner assembly.
  • the second height difference is in the range of (0, 8 mm).
  • the second height difference is 5 mm.
  • the third height difference is in the range of (0, 15 mm).
  • the bottom of the second burner is kept at an appropriate distance from the guide plate to improve the supply of secondary air, thereby improving the combustion efficiency and ensuring the flame uniformity of the burner assembly.
  • the third height difference is 9 mm.
  • a first fire transfer gap is formed between the first upper plate and the first partition plate, and the first fire transfer gap communicates with two adjacent first fire holes.
  • a second fire transfer gap is formed between the second upper plate and the second partition plate, and the second fire transfer gap communicates with two adjacent second fire holes.
  • An embodiment of the present invention provides a stove, which includes the burner assembly described in any one of the above embodiments.
  • the ignition module integrates the ignition needle and the thermocouple into one, so that the ignition needle is close to the first fire hole and located inside the burner assembly, so as to improve the ignition success rate of the first burner and the second burner, and the installation is simple.
  • an embodiment of the present invention provides a burner, the burner comprising:
  • a burner body wherein a gas passage is formed inside, and an inner ring fire hole and an outer ring fire hole are respectively connected to the gas passage, wherein the outer ring fire hole is arranged outside the inner ring fire hole, and the burner body is further formed with an air supplement channel independent of the gas passage, wherein the air supplement channel includes an air inlet located on the outer side wall of the burner body and an air outlet located between the inner ring fire hole and the outer ring fire hole;
  • the guide plate is arranged at the air outlet and cooperates with the inner wall of the air supply channel to define an inner ring air supply port and an outer ring air supply port for respectively flowing toward the inner ring fire hole and the outer ring fire hole.
  • the burner further comprises a mounting bracket, the mounting bracket having two connecting parts and a first fixing part, the guide plate being connected to the first fixing part;
  • the burner body includes two burner monomers that are separately arranged, one of the burner monomers is connected to one of the connecting parts, and one of the burner monomers is formed with the inner ring fire hole, and the other burner monomer is formed with the outer ring fire hole;
  • each burner unit is formed as the gas passage, and the gap between the two burner units is formed as the gas supplement passage.
  • the mounting bracket includes a base body and at least two connecting legs connected to the base body, the connecting legs extend in the height direction of the burner and have the two connecting portions and the first fixing portion, and the two burner monomers are arranged at intervals in the extending direction of the connecting legs;
  • the air supply channel is formed by a gap between the two burner monomers in the height direction of the burner.
  • the guide ring includes a guide body and a first connecting foot connected to the outer edge of the guide body, the guide body is arranged at the air outlet, and the first connecting foot is connected to the first fixing portion;
  • the flow guide body has an outer edge and an inner edge, the outer edge cooperates with the inner wall of the air supplement channel to define the outer ring air supplement port, and the inner edge cooperates with the inner wall of the air supplement channel to define the inner ring air supplement port;
  • the flow guide body is arranged to be tilted downward in the direction from the outer edge to the inner edge.
  • the first connecting leg cooperates with the surface of the connecting portion to press and fix the burner unit having an inner ring fire hole.
  • the guide body in the height direction of the burner, is located above the inner ring fire hole, and the projection of the inner ring fire hole on the horizontal plane is located within the area of the projection of the guide body on the same horizontal plane.
  • the guide plate has an outer edge and an inner edge
  • the spacing between the upper surface of the part of the burner monomer constituting the inner ring fire hole and the inner edge is greater than 0 mm and less than or equal to 8 mm; and/or, in the height direction of the burner, the spacing between the lower surface of the part of the burner monomer constituting the outer ring fire hole and the outer edge is greater than 0 mm and less than or equal to 15 mm; and/or, in the radial direction of the burner monomer, the spacing between the end face of the inner ring fire hole and the inner edge is greater than or equal to 0 mm and less than or equal to 5 mm; and/or, in the radial direction of the burner monomer, the spacing between the end face of the outer ring fire hole and the outer edge is greater than or equal to 10 mm and less than or equal to 30 mm.
  • Some of the embodiments further include an oil cup, which is fixed to the mounting bracket and located on the inner side of the inner ring fire hole. A receiving cavity for receiving dirt is formed in the oil cup.
  • the mounting bracket includes a seat body
  • the oil cup includes a cup body and a handle portion
  • the cup body is fixed to the seat body
  • the handle portion is connected to the cup body and extends in a direction away from the seat body
  • the outer peripheral surface of the handle portion and the inner side wall of the cup body form the accommodating cavity
  • the mounting bracket includes a seat body, the outer edge of the oil cup forms a supporting outer edge, the supporting outer edge is hung on the overlapping edge of the seat body, the supporting outer edge is close to the side of the seat body
  • the first guide surface is formed, and the overlapping edge of the seat body is formed with a second guide surface that cooperates with the first guide surface.
  • thermocouple and an igniter are further included which are fixed on the mounting bracket, and the guide plate is provided with an avoidance hole for the thermocouple and the igniter to pass through.
  • thermocouple and the igniter are mounted on the fixing bracket;
  • the mounting bracket comprises a base, at least two connecting legs and a connecting rib, wherein the at least two connecting legs are connected to the base, the connecting rib is connected to the base and/or the connecting legs, the connecting leg extends in the height direction of the burner and has the two connecting portions and the first fixing portion, and the connecting rib has a second fixing portion;
  • the fixing bracket is connected to the second fixing part.
  • the connecting rib also has a positioning protrusion
  • the fixed bracket is provided with a positioning hole that cooperates with the positioning protrusion
  • the fixed bracket includes a frame body and two clamping springs, the frame body is connected to the second fixing part, and the two clamping springs are connected to the frame body, one of the clamping springs is used to clamp or release the thermocouple, and the other clamping spring is used to clamp or release the igniter; and/or, the connecting rib is connected between the two connecting legs.
  • the mounting bracket includes a base body and at least two connecting legs connected to the base body, the connecting legs extend in the height direction of the burner and have the two connecting parts, the first fixing part and the third fixing part, and the two burner monomers are arranged at intervals in the extending direction of the connecting legs;
  • the burner also includes a pressure cover, which includes a cover body and at least two second connecting legs connected to the outer edge of the cover body, one of the second connecting legs is connected to the third fixing portion, and the other second connecting leg is connected to the connecting portion to cooperate with the connecting legs to clamp and fix the The two burner monomers.
  • the mounting bracket includes a base body and at least two connecting legs connected to the base body, and the connecting legs have the two connecting portions and the first fixing portion;
  • the burner unit includes an ejector tube portion and a burner head portion fixedly connected to the ejector tube portion, the interior of the ejector tube portion and the interior of the burner head portion together form the gas passage, the burner head portion is provided with the inner ring fire hole or the outer ring fire hole, the ejector tube portion is connected to one of the connecting legs through a connecting portion, and the burner head portion is connected to the remaining connecting legs through the connecting portion.
  • the ejector tube portion includes an ejector tube and a mounting edge, the ejector tube forms an ejector channel connected to the inner ring fire hole or the outer ring fire hole, and the mounting edge is connected to the outer edge of the ejector tube;
  • the connecting portion includes a first connecting portion arranged on a connecting leg corresponding to the ejection tube portion, and the mounting edge is fixedly connected to the first connecting portion.
  • the first connecting portion is a first connecting hole provided on the connecting leg
  • the mounting edge is provided with a second connecting hole
  • the mounting edge and the connecting leg are fixedly connected by a fastener in cooperation with the first connecting hole and the second connecting hole.
  • the burner head includes a combustion ring and a skirt, the combustion ring is provided with a combustion channel connected to the inner ring fire hole or the outer ring fire hole, and the skirt is arranged around the outer edge of the combustion ring;
  • the connecting portion comprises a second connecting portion which is arranged on a connecting bracket correspondingly connected to the furnace head portion, and the skirt is connected to the second connecting portion.
  • the second connecting portion is a slot formed on the connecting leg, and the skirt is clamped in the slot to fix the skirt and the connecting leg in connection.
  • each of the burner units includes an upper shell and a lower shell, the upper shell is covered and connected with the lower shell, a part of the structure of the upper shell and a part of the structure of the lower shell together form the ejector tube portion, and the remaining part of the structure of the upper shell and the remaining part of the structure of the lower shell together form the burner head portion;
  • the upper shell and the lower shell are both made of stainless steel.
  • the burner unit having the inner ring fire hole further includes a first partition plate, a gap is formed between the portion of the upper shell forming the inner ring fire hole and the portion of the lower shell forming the inner ring fire hole, the first partition plate is arranged in the gap, and divides the inner ring fire hole into two sub-inner ring fire holes arranged opposite to each other in the height direction of the burner; and/or, the burner unit having the outer ring fire hole further includes a second partition plate, a gap is formed between the portion of the upper shell forming the outer ring fire hole and the portion of the lower shell forming the outer ring fire hole, the second partition plate is arranged in the gap, and divides the outer ring fire hole into two sub-outer ring fire holes arranged opposite to each other in the height direction of the burner.
  • An embodiment of the present invention provides a stove, which includes the burner as described above.
  • the burner based on the embodiment of the present invention is provided with a guide plate, and at the air outlet of the air supply channel formed by the burner body, the guide plate cooperates with the inner wall of the air supply channel to define an inner ring air supply port and an outer ring air supply port that flow toward the inner ring fire hole and the outer ring fire hole respectively.
  • the secondary air when the secondary air enters from the air inlet of the air supply channel, under the guiding effect of the guide plate, the secondary air will be divided into two sub-air flows, one of which will flow to the inner ring air supply port and finally flow to the inner ring fire hole, while the other will flow to the outer ring air supply port and finally flow to the outer ring fire hole.
  • the air grabbing situation between the flames generated by the inner ring fire hole and the outer ring fire hole can be reduced, so as to improve the combustion efficiency of the stove and the burner.
  • FIG1 is a schematic diagram of a partial structure of a burner assembly according to an embodiment of the present invention.
  • Fig. 2 is an enlarged view of part A in Fig. 1;
  • FIG. 3 is a top view of a first burner according to an embodiment of the present invention.
  • FIG. 4 is a top view of a second burner according to an embodiment of the present invention.
  • FIG5 is another enlarged view of portion A in FIG1 ;
  • FIG6 is a schematic structural diagram of a stove according to an embodiment of the present invention.
  • FIG. 7 is a partial structural schematic diagram of an ignition module of a burner assembly according to an embodiment of the second aspect of the present invention, in which the ignition module is disposed between the first burner and the second burner;
  • FIG. 8 is a perspective assembly diagram of an ignition module according to an embodiment of the second aspect of the present invention.
  • FIG. 9 is another partial structural schematic diagram of the burner assembly according to the second aspect of the embodiment of the present invention, in which the ignition module is arranged inside the first burner;
  • FIG10 is an enlarged view of portion A in FIG7 ;
  • FIG. 11 is a top view of a first burner of an embodiment of the second aspect of the present invention.
  • FIG. 12 is a top view of a second burner of an embodiment of the second aspect of the present invention.
  • FIG. 13 is a perspective exploded schematic diagram of a burner assembly according to an embodiment of the second aspect of the present invention.
  • FIG. 14 is a perspective assembly diagram of a burner assembly according to an embodiment of the second aspect of the present invention.
  • FIG. 15 is a schematic structural diagram of a cooker according to an embodiment of the second aspect of the present invention.
  • FIG. 16 is a schematic structural diagram of a burner according to an embodiment of the third aspect of the present invention.
  • FIG17 is a schematic diagram of the exploded structure of the burner in FIG16;
  • FIG18 is a schematic structural diagram of a guide plate of the burner in FIG17;
  • FIG19 is a schematic structural diagram of a mounting bracket for the burner in FIG17 ;
  • FIG20 is a schematic cross-sectional view of the burner in FIG16 from one viewing angle
  • FIG. 21 is a schematic diagram of the cross-sectional structure of the burner in FIG. 16 from another perspective
  • FIG. 22 is a partial enlarged view of point A in FIG. 21 .
  • a burner assembly 300 provided in an embodiment of the utility model includes a first burner 101 and a second burner 201.
  • the first burner 101 is annular and has a first fire hole 113 formed on the inner periphery.
  • the second burner 201 is annular and has a second fire hole 213 formed on the inner periphery.
  • the second burner 201 is arranged above the first burner 101, and the inner diameter D2 of the second burner is larger than the inner diameter D1 of the first burner.
  • the burner assembly 300 is configured such that the second burner 201 is disposed above the first burner 101, and the inner diameter D2 of the second burner is larger than the inner diameter D1 of the first burner.
  • the second burner 201 can be ignited from the inner periphery by drawing the flame upward, thereby ensuring the uniformity of the flame at the bottom of the pot.
  • the structure is simple and convenient.
  • the first burner 101 may be an inner ring burner, which may be used to provide an inner ring flame to ensure the flame intensity and heating uniformity in the middle of the pot bottom.
  • the inner periphery of the first burner 101 is formed with a plurality of first fire holes 113 to ensure that the plurality of first fire holes 113 are surrounded by an inner ring fire outlet on the inner periphery to provide an annular inner flame to ensure uniform heating of the middle part of the pot bottom.
  • the second burner 201 may be an outer ring burner, which may be used to provide an outer ring flame to ensure the flame intensity and heating uniformity at the edge of the pot bottom.
  • the inner periphery of the second burner 201 is formed with a plurality of second fire holes 213 to ensure that the plurality of second fire holes 213 are surrounded by the inner periphery to form an outer ring fire outlet, thereby providing an annular outer flame to ensure uniform heating of the edge of the pot bottom.
  • the inner diameter D1 of the first burner may be the diameter of the inner circumference of the first burner 101 to provide an inner ring flame with a diameter of D1.
  • the inner diameter D2 of the second burner may be the diameter of the inner circumference of the second burner 201 to provide an outer ring flame with a diameter of D2.
  • the inner diameter D2 of the second burner is larger than the inner diameter D1 of the first burner, so as to ensure that the first burner 101 and the second burner 201 respectively provide inner ring flame and outer ring flame, and cooperate with each other to ensure that the middle and edge positions of the bottom of the pot are heated evenly, so that the bottom of the pot is heated evenly as a whole, thereby ensuring the uniformity of the flame of the bottom of the pot.
  • the burner assembly 300 may be provided with an ignition needle (not shown) between the first burner 101 and the second burner 201 for providing a discharge arc to ignite the gas at the first flame hole 113 to form an annular inner flame.
  • annular inner flame generated by the first fire hole 113 can ignite the fuel gas at the second fire hole 213 from the inner periphery by leading the flame upward to form an annular outer flame, thereby ensuring the flame uniformity of the burner assembly 300, which is convenient, fast and efficient.
  • first burner 101 and the second burner 201 can be stably set at an appropriate distance to ensure smooth air flow at the first fire hole 113 inside the burner assembly 300, thereby ensuring the normal operation of the first burner 101 and avoiding insufficient secondary air replenishment that causes insufficient intensity (or extinction) of the inner ring flame, thereby ensuring the overall flame uniformity of the pot bottom.
  • the burner assembly 300 can be used by the first burner 101 alone, can be used by the second burner 201 alone, or can be used by the first burner 101 and the second burner 201 in combination, and no specific limitation is made herein.
  • the inner diameter D2 of the second burner is 1.2 to 2.5 times the inner diameter D1 of the first burner.
  • the inner diameter D1 of the first burner may be set to ensure that the annular flame generated by the first burner 101 can be better located in the middle of the pot bottom to increase the flame intensity in the middle of the pot bottom and ensure that the middle of the pot bottom is heated evenly.
  • the inner diameter D2 of the second burner is 1.2 to 2.5 times the inner diameter D1 of the first burner to ensure that the flame generated by the burner assembly 300 heats the bottom of the pot evenly, thereby improving gas utilization and cooking efficiency.
  • the inner diameter D2 of the second burner is in the range of 2.5D1>D2>1.2D1.
  • the inner diameter D2 of the second burner may be 1.3D1, 1.5D1, 1.6D1, 1.9D1, 2.0D1, 2.3D1, 2.4D1 or other values between 1.2D1 and 2.5D1.
  • the inner diameter D2 of the second burner is greater than 2.5D1
  • the inner diameter D2 of the second burner is too large, causing the outer ring flame generated by the second fire hole 213 to extend to the outside of the pot bottom, resulting in a large distance between the outer ring flame and the inner ring flame at the pot bottom, insufficient heating, and reduced flame uniformity of the burner assembly 300.
  • the outward extension of the gas reduces the utilization rate of the gas, and there is also a risk of high temperature of the pot handle causing scalding to the user.
  • the inner diameter D2 of the second burner is less than 1.2D1
  • the inner diameter D2 of the second burner is too small, so that the outer ring flame generated by the second fire hole 213 is close to the inner ring flame generated by the first fire hole 113, resulting in excessive heating of the middle part of the bottom of the pot and insufficient heating of the edge of the bottom of the pot, making the overall bottom of the pot heated unevenly, which may easily cause safety risks.
  • the inner diameter D2 of the second burner is 1.5 times the inner diameter D1 of the first burner.
  • the heating area of the pot bottom and the cooking efficiency can be further improved while ensuring that the flame covers the pot bottom well.
  • the inner diameter D2 of the second burner is 1.5 times the inner diameter D1 of the first burner, so that the inner ring flame generated by the first fire hole 113 and the outer ring flame generated by the second fire hole 213 are located at appropriate positions on the bottom of the pot, thereby better ensuring the heat supply and flame uniformity of the bottom of the pot.
  • the first burner 101 includes a first lower plate 122, a first upper plate 133 disposed on the first lower plate 122, and a first partition plate 143.
  • the first lower plate 122 is formed with a first lower channel 125.
  • the first upper plate 133 is formed with a first upper channel 135 corresponding to the first lower channel 125.
  • the first lower channel 125 and the first upper channel 135 form a first fire hole 113.
  • the first partition plate 143 is disposed between the first lower plate 122 and the first upper plate 133 and separates the first lower channel 125 from the first upper channel 135.
  • the depth direction of the first fire hole 113 forms an angle ⁇ 1 with the plane where the first upper plate 133 is located, and the range of the angle ⁇ 1 is (0°, 90°).
  • the first fire hole 113 of the first burner 101 is inclined inwardly into a cone shape, thereby ensuring the flame gathering effect of the first burner 101 and further improving the flame intensity and heating efficiency of the first burner 101 .
  • the range of the angle ⁇ 1 formed by the depth direction of the first fire hole 113 and the plane where the first upper plate 133 is located is (0°, 90°), so that the first fire hole 113 of the first burner 101 is tilted inward into a cone shape, thereby ensuring the flame gathering effect of the first burner 101, and then improving the flame intensity of the first burner 101 to ensure the heating rate of the bottom of the cooking utensil.
  • the range of the ⁇ 1 angle is (0°, 90°), that is, 0° ⁇ 1 ⁇ 90°.
  • the ⁇ 1 angle can be 5°, 10°, 30°, 45°, 60°, 75°, 85° or other values between 0° and 90°.
  • the first partition plate 143 is disposed between the first lower plate 122 and the first upper plate 133, and is used to separate the first fire hole 113 formed by the first lower channel 125 and the first upper channel 135 into two sub-fire holes, so that the sub-fire holes located on the upper and lower sides of the first partition plate 143 are independent of each other.
  • the cross-sectional area of the sub-fire hole is relatively reduced and the depth of the sub-fire hole is relatively deepened relative to the first fire hole 113.
  • the path of the flame return gas channel becomes relatively longer.
  • the flame is not enough to reach the limit condition of deflagration, so the problem of flameout noise of the first burner 101 can be effectively solved.
  • the first partition plate 143 is disposed between the first lower channel 125 and the first upper channel 135 , so the first partition plate 143 may be made of a high temperature resistant and corrosion resistant material.
  • the material of the first partition plate 143 can be a stainless steel partition plate.
  • the material can be an aluminum alloy partition plate, a copper alloy partition plate, or a partition plate made of other materials, and no specific limitation is made here.
  • the angle ⁇ 1 is in the range of (0°, 60°).
  • the angle ⁇ 1 formed by the depth direction of the first fire hole 113 and the plane where the first upper plate 133 is located is in the range of (0°, 60°), so that the first fire hole 113 of the first burner 101 is tilted inward into a cone shape, thereby ensuring that the flame formed by the first fire hole 113 of the first burner 101 better covers the bottom of the cooking utensil, thereby improving the heating rate of the first burner 101.
  • the range of the ⁇ 1 angle is (0°, 60°), that is, 0° ⁇ 1 ⁇ 60°.
  • the ⁇ 1 angle can be 5°, 10°, 15°, 25°, 30°, 45°, 50° or other values between 0° and 60°.
  • the angle ⁇ 1 is 40°.
  • the angle ⁇ 1 formed by the depth direction of the first fire hole 113 and the plane where the first upper plate 133 is located can be 40°. While ensuring that the first fire hole 113 of the first burner 101 is tilted inward into a cone shape, the flame is cohesive to cover the bottom of the heating cooking utensil, thereby ensuring a better heating effect on the bottom of the cooking utensil.
  • the flame formed by the first burner 101 can better cover the bottom of the cooking utensil to ensure the heating effect of the bottom of the cooking utensil, thereby improving the gas utilization rate and further improving the flame intensity and heating rate of the first burner 101.
  • the second burner 201 includes a second lower plate 222, a second upper plate 233 disposed on the second lower plate 222, and a second partition plate 243
  • the second lower plate 222 is formed with a second lower channel 225
  • the second upper plate 233 is formed with a second upper channel 235 corresponding to the second lower channel 225
  • the second lower channel 225 and the second upper channel 235 form a second fire hole 213
  • the second partition plate 243 is disposed between the second lower plate 222 and the second upper plate 233, and separates the second lower channel 225 from the second upper channel 235.
  • the depth direction of the second fire hole 213 forms an angle ⁇ 2 with the plane where the second upper plate 233 is located, and the range of the angle ⁇ 2 is (0°, 90°).
  • the second fire hole 213 of the second burner 201 is inclined inwardly into a cone shape, thereby ensuring the flame gathering effect of the second burner 201, thereby improving the flame intensity and heating efficiency of the second burner 201.
  • the range of the angle ⁇ 2 formed by the depth direction of the second fire hole 213 and the plane where the second upper plate 233 is located is (0°, 90°), so that the second fire hole 213 of the second burner 201 is tilted inward into a cone shape, thereby ensuring the flame gathering effect of the second burner 201, and then improving the flame intensity of the second burner 201 to ensure the heating rate of the bottom of the cooking utensil.
  • the range of the ⁇ 2 angle is (0°, 90°), that is, 0° ⁇ 2 ⁇ 90°.
  • the ⁇ 2 angle can be 5°, 10°, 30°, 45°, 60°, 75°, 85° or other values between 0° and 90°.
  • the second partition plate 243 is disposed between the second lower plate 222 and the second upper plate 233, and is used to separate the second fire hole 213 formed by the second lower channel 225 and the second upper channel 235 into two sub-fire holes, so that the sub-fire holes located on the upper and lower sides of the second partition plate 243 are independent of each other.
  • the cross-sectional area of the sub-fire hole is relatively reduced and the depth of the sub-fire hole is relatively deepened relative to the second fire hole 213.
  • the path of the flame return gas channel becomes relatively longer.
  • the flame is not enough to reach the limit condition of deflagration, so the problem of flameout noise of the second burner 201 can be effectively solved.
  • the second partition plate 243 is disposed between the second lower hole channel 225 and the second upper hole channel 235 , so the second partition plate 243 may be made of a high temperature resistant and corrosion resistant material.
  • the material of the second partition plate 243 may be a stainless steel partition plate. In other embodiments, the material of the second partition plate 243 may be an aluminum alloy partition plate, a copper alloy partition plate, or a partition plate of other materials, which is not specifically limited here.
  • the angle ⁇ 2 is in the range of (0°, 60°).
  • the angle ⁇ 2 formed by the depth direction of the second fire hole 213 and the plane where the second upper plate 233 is located is in the range of (0°, 60°), so that the second fire hole 213 of the second burner 201 is tilted inward into a cone shape, thereby ensuring that the flame formed by the second fire hole 213 of the second burner 201 better covers the bottom of the cooking utensil, thereby improving the heating rate of the second burner 201.
  • the range of the ⁇ 2 angle is (0°, 60°), that is, 0° ⁇ 2 ⁇ 60°.
  • the ⁇ 2 angle can be 5°, 10°, 15°, 25°, 30°, 45°, 50° or other values between 0° and 60°.
  • the angle ⁇ 2 is 40°.
  • the angle ⁇ 2 formed by the depth direction of the second fire hole 213 and the plane where the second upper plate 233 is located can be 40°, and the flame is gathered to cover the heating cooking under the condition that the second fire hole 213 of the second burner 201 is tilted inward into a cone shape. The bottom of the cooking utensil is thus heated to a better effect.
  • the flame formed by the second burner 201 can better cover the bottom of the cooking utensil to ensure the heating effect of the bottom of the cooking utensil, thereby improving the gas utilization rate and further improving the flame intensity and heating rate of the second burner 201.
  • first height difference H1 between the first fire hole 113 and the second fire hole 213 .
  • the range of the first height difference H1 is (15 mm, 40 mm).
  • the ignition efficiency and heat dissipation efficiency of the burner assembly 300 are improved.
  • the first height difference H1 is greater than 40 mm, the first height difference H1 is too large, so that the distance between the first burner 101 and the second burner 201 is too far, and it is difficult to assist the ignition of the second burner 201 by the flame of the first burner 101.
  • the first height difference H1 is less than 15 mm, the first height difference H1 is too small, so that the distance between the first burner 101 and the second burner 201 is too close, and the heat dissipation effect is poor, so that the internal heat of the burner assembly 300 is too high, which is easy to cause safety hazards.
  • the first height difference H1 should be selected to have a suitable distance to ensure the normal operation and safe use of the first burner 101 and the second burner 201 .
  • the first height difference H1 may be in the range of (15 mm, 40 mm) to ensure the heat dissipation efficiency and flame transfer efficiency of the burner assembly 300 , thereby improving the safety of the burner assembly 300 .
  • the first height difference H1 may be in the range of (15 mm, 40 mm), that is, 15 mm ⁇ H1 ⁇ 40 mm.
  • H1 may be 17 mm, 19 mm, 23 mm, 25 mm, 30 mm, 32 mm, 37 mm, or other values between 15 mm and 40 mm.
  • the first height difference H1 is greater than 40 mm, the first height difference H1 is too large, so that the distance between the first burner 101 and the second burner 201 is too far, and it is difficult to assist the ignition of the second burner 201 through the flame of the first burner 101, thereby reducing the ignition efficiency.
  • the first height difference H1 is less than 15 mm, the first height difference H1 is too small, so that the distance between the first burner 101 and the second burner 201 is too close, the heat dissipation effect is poor, and the internal heat of the burner assembly 300 is too high, which is prone to safety hazards.
  • first height difference H1 between the first fire hole 113 and the second fire hole 213 , and the first height difference H1 is in the range of (20 mm, 30 mm).
  • the ignition efficiency and heat dissipation efficiency of the burner assembly 300 are further improved.
  • the first height difference H1 is greater than 30 mm, the first height difference H1 is large, so that the distance between the first burner 101 and the second burner 201 is relatively far, and the ignition efficiency of the second burner 201 assisted by the flame of the first burner 101 is relatively low.
  • the first height difference H1 is less than 20 mm, the first height difference H1 is small, so that the distance between the first burner 101 and the second burner 201 is relatively close, and the heat dissipation effect is poor, so that the internal heat of the burner assembly 300 is relatively high, which is prone to safety hazards.
  • the first height difference H1 should be selected to have a suitable distance to ensure the normal operation and safe use of the first burner 101 and the second burner 201 .
  • the first height difference H1 may be in the range of (20 mm, 30 mm) to further improve the heat dissipation efficiency and flame transfer efficiency of the burner assembly 300 .
  • the first height difference H1 may be in the range of (20 mm, 30 mm), that is, 20 mm ⁇ H1 ⁇ 30 mm.
  • H1 may be 21 mm, 23 mm, 24 mm, 25 mm, 26 mm, 27 mm, 29 mm, or other values between 20 mm and 30 mm.
  • the first height difference H1 is greater than 30 mm, the first height difference H1 is relatively large, so that the distance between the first burner 101 and the second burner 201 is relatively far, and the ignition efficiency of the second burner 201 assisted by the flame of the first burner 101 is relatively low.
  • the first height difference H1 is less than 20 mm, the first height difference H1 is small, so that the distance between the first burner 101 and the second burner 201 is close, the heat dissipation effect is poor, and the internal heat of the burner assembly 300 is high, which is prone to safety hazards.
  • first height difference H1 between the first fire hole 113 and the second fire hole 213 , and the first height difference H1 is 23.65 mm.
  • the ignition efficiency and heat dissipation efficiency of the burner assembly 300 are high, thereby ensuring the safety of the burner assembly 300 .
  • the first height difference H1 can be 23.65 mm, that is, the distance between the first fire hole 113 and the second fire hole 213 is 23.65 mm.
  • the first fire hole 113 can quickly assist the ignition of the second fire hole 213 by drawing the flame upward, thereby improving the ignition efficiency and heat dissipation efficiency of the burner assembly 300.
  • the flame generated by the first burner 101 is transmitted from the first fire hole 113 to the second fire hole 213 (from bottom to top), which can better ignite the gas at the second fire hole 213 from the inner periphery of the second burner 201 to form a double-ring flame to cover the bottom of the pot, thereby improving the ignition efficiency.
  • the heat dissipation space between the first burner 101 and the second burner 201 is appropriate, which can ensure that the air can flow smoothly in the burner assembly 300, that is, the internal heat of the burner assembly 300 can be removed by air cooling, thereby improving the heat dissipation efficiency and ensuring the safe operation of the burner assembly 300.
  • the depth direction of the first fire hole 113 is inclined relative to the radial direction of the first burner 101 to form a first deflection angle E.
  • the range of the first deflection angle E is (0, 45°).
  • the flame of the first fire hole 113 is gathered in a spiral shape to increase the flame intensity and ensure the combustion efficiency of the gas.
  • the first deflection angle E can be the angle formed by the radial inclination of the depth direction of the first fire hole 113 relative to the inner periphery of the first burner 101, which can be used to adjust the diameter of the annular flame to meet the heating requirements of the middle part of the pot bottom.
  • the first deflection angle E should be selected at a suitable angle so that the first fire hole 113 forms a ring flame of suitable diameter, thereby improving the combustion efficiency of the gas and increasing the flame intensity, thereby ensuring the heating amount of the middle part of the pot bottom.
  • the first deflection angle E may be in the range of (0, 45°), that is, 0 ⁇ E ⁇ 45°. In some examples, E may be 5°, 8°, 10°, 25°, 30°, 35°, 40° or other values between 0 and 45°.
  • the first deflection angle E When the first deflection angle E is greater than 45°, the first deflection angle E is too large, so that the diameter of the annular flame formed by the first fire hole 113 is too large, causing the flame to be relatively close to the edge of the bottom of the pot, thereby reducing the amount of heat in the middle of the bottom of the pot. Relatively speaking, the amount of heat at the edge of the bottom of the pot is increased, resulting in poor heating uniformity of the burner assembly 300 and reduced combustion efficiency of the gas.
  • the depth direction of the first fire hole 113 is inclined relative to the radial direction of the first burner 101 to form a first deflection angle E, and the range of the first deflection angle E is (0, 30°).
  • the first deflection angle E should be selected to be a suitable angle so that the first fire hole 113 forms a ring flame of a suitable diameter to cover the middle of the heating pot bottom, thereby further improving the flame intensity and heating effect.
  • the first deflection angle E may be in the range of (0, 30°), that is, 0 ⁇ E ⁇ 30°. In some examples, E may be 3°, 5°, 8°, 10°, 15°, 25°, 27° or other values between 0 and 30°.
  • the first deflection angle E When the first deflection angle E is greater than 30°, the first deflection angle E is larger, so that the diameter of the annular flame formed by the first fire hole 113 is larger, causing the flame to be relatively close to the edge of the bottom of the pot, thereby reducing the amount of heat in the middle of the bottom of the pot. Relatively speaking, the amount of heat at the edge of the bottom of the pot is increased, resulting in poor heating uniformity of the burner assembly 300 and reduced combustion efficiency of the gas.
  • the depth direction of the first fire hole 113 is inclined relative to the radial direction of the first burner 101 to form a first deflection angle E, and the first deflection angle E is 30°.
  • the first deflection angle E can be 30°, that is, the radial inclination angle of the first fire hole 113 in the depth direction relative to the first burner 101 is 30°.
  • the heating area of the flame formed by the first fire hole 113 is more appropriate, thereby making the flame intensity and heating effect of the first burner 101 higher.
  • the flame formed by the first fire hole 113 is distributed in a ring shape, which can better cover the middle part of the pot bottom (target heating area), so that the heating efficiency is higher.
  • the depth direction of the first fire hole 113 is tilted relative to the radial direction of the first burner 101, which can ensure that the flame formed by the first fire hole 113 is at an appropriate distance from the middle of the pot bottom, thereby making the flame intensity greater.
  • the flame formed by the first fire hole 113 spirals upward, so that the flames overlap and gather in the middle of the pot bottom, ensuring a greater flame intensity.
  • the depth direction of the second fire hole 213 is inclined relative to the radial direction of the second burner 201 to form a second deflection angle F.
  • the range of the second deflection angle F is (0, 45°).
  • the flame of the second fire hole 213 is gathered in a spiral shape to increase the flame intensity and ensure the combustion efficiency of the gas.
  • the second deflection angle F can be the angle formed by the radial inclination of the depth direction of the second fire hole 213 relative to the inner periphery of the second burner 201, which can be used to adjust the diameter of the outer ring flame to meet the heating requirements of the edge position of the pot bottom.
  • the second deflection angle F should be selected at a suitable angle so that the second fire hole 213 forms an outer ring flame of suitable diameter, thereby improving the combustion efficiency of the gas and increasing the flame intensity, thereby ensuring the heating amount at the edge of the pot bottom.
  • the second deflection angle F may be in the range of (0, 45°), that is, 0 ⁇ F ⁇ 45°. In some examples, F may be 5°, 8°, 10°, 25°, 30°, 35°, 40° or other values between 0 and 45°.
  • the second deflection angle F is greater than 45°, the second deflection angle F is too large, which makes the diameter of the outer ring flame formed by the second fire hole 213 too large, causing the outer ring flame to extend to the outside of the pot bottom, thereby reducing the heating amount at the edge of the pot bottom, resulting in poor heating uniformity of the burner assembly 300 and reduced combustion efficiency of the gas.
  • the depth direction of the second fire hole 213 is inclined relative to the radial direction of the second burner 201 to form a second deflection angle F, and the range of the second deflection angle F is (0, 30°).
  • the second deflection angle F should be selected to be a suitable angle so that the second fire hole 213 forms an outer ring flame of a suitable diameter to cover the edge of the heating pot bottom, thereby further improving the flame intensity and heating effect.
  • the second deflection angle F may be in the range of (0, 30°), that is, 0 ⁇ F ⁇ 30°. In some examples, F may be 3°, 5°, 8°, 10°, 15°, 25°, 27° or other values between 0 and 30°.
  • the second deflection angle F is greater than 30°, the second deflection angle F is larger, so that the diameter of the outer ring flame formed by the second fire hole 213 is larger, causing the outer ring flame to extend to the outside of the pot bottom, thereby reducing the heating amount at the edge of the pot bottom, resulting in poor heating uniformity of the burner assembly 300 and reduced combustion efficiency of the gas.
  • the depth direction of the second fire hole 213 is inclined relative to the radial direction of the second burner 201 to form a second deflection angle F, and the second deflection angle F is 30°.
  • the second deflection angle F can be 30°, that is, the radial inclination angle of the second fire hole 213 in the depth direction relative to the second burner 201 is 30°.
  • the heating area of the flame formed by the second fire hole 213 is more appropriate, thereby making the flame intensity and heating effect of the second burner 201 higher.
  • the flame formed by the second fire hole 213 is distributed in a ring shape, which can better cover the edge position of the bottom of the pot (target heating area), so that the heating efficiency is higher.
  • the depth direction of the second fire hole 213 is tilted relative to the radial direction of the first burner 101, which can ensure that the flame formed by the second fire hole 213 is at an appropriate distance from the edge of the pot bottom, thereby making the flame intensity greater.
  • the flame formed by the second fire hole 213 spirals upward, so that the flames overlap and gather at the edge of the pot bottom, ensuring a greater flame intensity.
  • the burner assembly 300 includes a guide plate 50, which is arranged between the first burner 101 and the second burner 201. There is a second height difference H2 between the guide plate 50 and the top of the first fire hole 113, and there is a third height difference H3 between the guide plate 50 and the bottom of the second fire hole 213. The third height difference H3 is greater than the second height difference H2.
  • the first burner 101 and the second burner 201 are respectively kept at an appropriate distance from the guide plate 50 to improve the air flow inside the burner assembly 300, thereby improving the combustion efficiency of the burner assembly 300.
  • the guide plate 50 is arranged in a funnel shape between the first burner 101 and the second burner 201, and the end with a larger opening is arranged near the bottom of the second fire hole 213, and the end with a smaller opening is arranged near the top of the first fire hole 113, so as to increase the space between the first burner 101 and the second burner 201 and ensure the supply of secondary air, thereby improving the combustion efficiency of the burner assembly 300.
  • the second height difference H2 may be the distance between the guide plate 50 and the top of the first fire hole 113 .
  • the third height difference H3 may be the distance between the guide plate 50 and the bottom of the second fire hole 213 to ensure that the secondary air quickly passes into the burner assembly 300 , thereby improving the combustion efficiency of the burner assembly 300 .
  • the third height difference H3 is greater than the second height difference H2, ensuring that the distance between the guide plate 50 and the bottom of the second fire hole 213 is large, so that the secondary air can pass into the burner assembly 300 faster and provide sufficient secondary air for the burner assembly 300.
  • the third height difference H3 is greater than the second height difference H2, ensuring that the distance between the guide plate 50 and the top of the first fire hole 113 is small, so that the secondary air inside the burner assembly 300 is transported at a shorter distance and a faster speed, thereby improving the combustion efficiency of the burner assembly 300.
  • the guide plate 50 is funnel-shaped and arranged between the first burner 101 and the second burner 201, and can also be used to direct the oil droplets generated during the cooking process into the oil cup (not shown) along the side wall of the guide plate 50 to improve the cleanliness of the burner assembly 300.
  • the second height difference H2 is in the range of (0, 8 mm).
  • the top of the first burner 101 maintains a suitable distance from the guide plate 50 to improve the supply of secondary air, thereby improving the combustion efficiency of the first burner 101.
  • the second height difference H2 should be selected to have a suitable distance to ensure the supply speed of the secondary air of the first fire hole 113 , thereby improving the combustion efficiency of the first burner 101 .
  • the second height difference H2 may be in the range of (0, 8 mm) so as to provide sufficient secondary air in time to ensure that the gas at the first fire hole 113 is fully burned, thereby improving the combustion efficiency of the first burner 101 .
  • the second height difference H2 may be in the range of (0, 8 mm), that is, 0 ⁇ H2 ⁇ 8 mm.
  • H2 may be 1 mm, 2 mm, 3 mm, 4 mm, 5 mm, 6 mm, 7 mm or other values between 0 and 8 mm.
  • the second height difference H2 is greater than 8 mm, the second height difference H2 is too large, so that the time for the secondary air to reach the first fire hole 113 is too long, thereby reducing the combustion efficiency of the first burner 101 and the flame uniformity is low.
  • the second height difference H2 is 5 mm.
  • the second height difference H2 can be 5 mm, that is, the distance between the top of the first fire hole 113 and the guide plate 50 is 5 mm. While ensuring that there is an appropriate distance between the top of the first burner 101 and the guide plate 50, the secondary air can quickly reach the first fire hole 113, thereby making the combustion efficiency of the first burner 101 higher.
  • the gas at the first fire hole 113 can be fully burned by the secondary air, so that the combustion efficiency of the first burner 101 is higher, thereby improving the flame intensity.
  • the second height difference H2 is 5 mm
  • the distance between the first burner 101 and the guide plate 50 is large, and the heat dissipation efficiency is high, thereby ensuring the safe operation of the burner assembly 300.
  • the third height difference H3 is in the range of (0, 15 mm).
  • the bottom of the second burner 201 is kept at an appropriate distance from the guide plate 50 to improve the supply of secondary air, thereby improving the combustion efficiency.
  • the flame uniformity of the burner assembly 300 is ensured.
  • the third height difference H3 should be selected to have a suitable distance so that sufficient secondary air can flow into the burner assembly 300 while ensuring full combustion of the gas in the second fire hole 213 , thereby ensuring flame uniformity of the burner assembly 300 .
  • the third height difference H3 may be in the range of (0, 15 mm), that is, 0 ⁇ H3 ⁇ 15 mm. In some examples, H3 may be 1 mm, 3 mm, 4 mm, 7 mm, 9 mm, 10 mm, 13 mm or other values between 0 and 15 mm.
  • the third height difference H3 is greater than 15 mm, the third height difference H3 is too large, so that the distance between the guide plate 50 and the second fire hole 213 is too large, the stability is reduced, and it is difficult to fix.
  • the third height difference H3 is too large, which makes the burner assembly 300 larger in volume and occupies a larger space.
  • the third height difference H3 is 9 mm.
  • the third height difference H3 can be 9 mm, that is, the distance between the bottom of the second fire hole 213 and the guide plate 50 is 9 mm.
  • sufficient secondary air can be introduced into the burner assembly 300, so that the combustion efficiency of the first burner 101 is higher, thereby ensuring that the flame uniformity of the burner assembly 300 is better.
  • the gas at the second fire hole 213 can be fully burned by the secondary air, so that the combustion efficiency of the second burner 201 is higher, thereby improving the flame intensity.
  • the third height difference H3 is 9 mm
  • sufficient secondary air can quickly enter the burner assembly 300 through the third height difference H3 to accelerate air flow and heat dissipation rate.
  • sufficient secondary air can also reach the first fire hole 113 along the side wall of the guide plate 50 to fully burn the gas in the first fire hole 113, thereby ensuring that the burner assembly 300 has a high combustion efficiency and good flame uniformity.
  • the first lower plate 122 is concave to form a first lower channel 125
  • the first upper plate 133 is convex to form a first upper channel 135.
  • the first lower channel 125 and the first upper channel 135 are opposite to form the first fire hole 113 of the first burner 101.
  • the first upper channel 135 of the first upper plate 133 and the first lower channel 125 of the first lower plate 122 are arranged opposite to each other, so that the first fire hole 113 of the first burner 101 is formed opposite to each other, thereby increasing the total area of the fire holes of the first burner 101, and further increasing the flame intensity and load upper limit of the first burner 101.
  • the first lower plate 122 may be used to form the first fire hole 113 , and thus the first lower plate 122 may be made of a high temperature resistant and corrosion resistant material.
  • the first lower plate 122 may be made of aluminum alloy to ensure the bending performance of the first lower plate 122, thereby ensuring the forming of the first lower channel 125. In other embodiments, the first lower plate 122 may also be made of other materials, which are not specifically limited here.
  • the first upper plate 133 can be used to form the first fire hole 113 with the first lower plate 122, so the first upper plate 133 can be made of a high temperature resistant and corrosion resistant material.
  • the first upper plate 133 can be made of the same material as the first lower plate 122 to ensure the bending performance of the first upper plate 133, thereby ensuring the forming of the first upper channel 135.
  • the first upper plate 133 can also be made of other materials, which are not specifically limited here.
  • first lower channel 125 and the first upper channel 135 are formed opposite to each other to form a first fire hole 113 similar to a circular ring. Compared with a single first lower channel 125 or a single first upper channel 135 arranged in a staggered manner, the total area of the first fire hole 113 is increased, so that the combustion amount of the gas is increased, thereby improving the flame intensity of the first burner 101.
  • the equivalent cross-sectional area of the first fire hole 113 of the present application does not change, which can ensure that the first burner 101 has a larger flame and excellent fire transfer and flame stabilization effects.
  • the second lower plate 222 is concave to form a second lower channel 225
  • the second upper plate 233 is convex to form a second upper channel 235 .
  • the second lower channel 225 and the second upper channel 235 face each other to form the second fire hole 213 of the second burner 201 .
  • the second upper channel 235 of the second upper plate 233 and the second lower channel 225 of the second lower plate 222 are arranged opposite to each other, so that the second fire hole 213 of the second burner 201 is formed opposite to each other, thereby increasing the total area of the fire holes of the second burner 201, and further increasing the flame intensity and load upper limit of the second burner 201.
  • the second lower plate 222 may be used to form the second fire hole 213 , and thus the second lower plate 222 may be made of a high temperature resistant and corrosion resistant material.
  • the second lower plate 222 may be made of aluminum alloy to ensure the bending performance of the second lower plate 222, thereby ensuring the forming of the second lower channel 225.
  • the second lower plate 222 may also be made of other materials, which are not specifically limited here.
  • the second upper plate 233 can be used to form the second fire hole 213 with the second lower plate 222, so the second upper plate 233 can be made of a high temperature resistant and corrosion resistant material.
  • the second upper plate 233 can be made of the same material as the second lower plate 222 to ensure the bending performance of the second upper plate 233, thereby ensuring the forming of the second upper channel 235.
  • the second upper plate 233 can also be made of other materials, which are not specifically limited here.
  • the second lower channel 225 and the second upper channel 235 are formed opposite to each other to form a second fire hole 213 similar to a circular ring. Compared with a single second lower channel 225 or a single second upper channel 235 arranged in a staggered manner, the total area of the second fire hole 213 is increased, so that the combustion amount of the gas is increased, thereby improving the flame intensity of the second burner 201.
  • the equivalent cross-sectional area of the second fire hole 213 of the present application does not change, which can ensure that the second burner 201 has a larger flame and at the same time has excellent fire transfer and flame stabilization effects.
  • a first fire transfer gap 155 is formed between the first upper plate 133 and the first partition plate 143 , and the first fire transfer gap 155 communicates with two adjacent first fire holes 113 .
  • the first flame transfer gap 155 is formed between the first upper plate 133 and the first partition plate 143 to ensure that a connectable gap is formed between two adjacent first upper channels 135 in the first upper plate 133 to play a role in transferring and stabilizing the flame.
  • the discharge arc can ignite the gas at the outlet of one of the first upper channels 135 through an ignition needle (not shown), and transfer the flame to two adjacent first upper channels 135 through the first flame transfer gap 155, thereby forming a continuous flame, thereby ensuring the flame transfer efficiency and ignition success rate.
  • the first fire transfer gap 155 connects the two adjacent first upper channels 135 and continuously replenishes secondary air to ensure that the gas in the two adjacent first upper channels 135 is fully burned, so that the first burner 101 forms an overall continuous flame, thereby ensuring high flame intensity and good stability, thereby improving the anti-fire capability of the first burner 101 and achieving the purpose of flame stabilization.
  • the first flame transfer gap 155 may be in the range of [0.50 mm, 0.80 mm], so that two adjacent independent first upper channels 135 are connected together to ensure the flame transfer capability and flame stabilization capability of the first burner 101 .
  • the first ignition gap 155 ranges from 0.50 mm to 0.80 mm.
  • the first ignition gap 155 can be 0.50 mm, 0.57 mm, 0.62 mm, 0.68 mm, 0.70 mm, 0.71 mm, 0.80 mm, or other values between 0.50 mm and 0.80 mm.
  • the first flame transfer gap 155 is less than 0.50 mm, the first flame transfer gap 155 is too small, and the flame transfer efficiency and the secondary air supplement efficiency are low, so that the flame transfer ability of the first burner 101 is poor.
  • the first flame transfer gap 155 When the first flame transfer gap 155 is larger than 0.80 mm, the first flame transfer gap 155 is too large, and the flame stability is low, so that the first burner 101 has poor anti-flaming capability and is prone to flameout.
  • a second fire transfer gap 255 is formed between the second upper plate 233 and the second partition plate 243 , and the second fire transfer gap 255 communicates with two adjacent second fire holes 213 .
  • the second flame transfer gap 255 is formed between the second upper plate 233 and the second partition plate 243 to ensure that a connectable gap is formed between two adjacent second upper channels 235 in the second upper plate 233 to play a role in transferring and stabilizing the flame.
  • the second burner 201 can be ignited by the flame generated by the first burner 101 to ignite the gas at the second fire hole 213, and transfer the flame to the two adjacent second upper channels 235 through the second fire transfer gap 255, thereby forming a continuous flame, thereby ensuring the fire transfer efficiency and ignition success rate.
  • the second fire transfer gap 255 connects the two adjacent second upper channels 235 and continuously replenishes secondary air to ensure that the gas in the two adjacent second upper channels 235 is fully burned, so that the second burner 201 forms an overall continuous flame, thereby ensuring high flame intensity and good stability, thereby improving the anti-fire capability of the second burner 201 and achieving the purpose of flame stabilization.
  • the second flame transfer gap 255 may be in the range of [0.50 mm, 0.80 mm], so that two adjacent independent second upper channels 235 are connected together to ensure the flame transfer capability and flame stabilization capability of the second burner 201 .
  • the second spark gap 255 ranges from 0.50 mm to 0.80 mm.
  • the second spark gap 255 can be 0.50 mm, 0.57 mm, 0.62 mm, 0.68 mm, 0.70 mm, 0.71 mm, 0.80 mm, or other values between 0.50 mm and 0.80 mm.
  • the second flame transfer gap 255 is less than 0.50 mm, the second flame transfer gap 255 is too small, and the flame transfer efficiency and the secondary air supplement efficiency are low, so that the flame transfer ability of the second burner 201 is poor.
  • the second flame transfer gap 255 is larger than 0.80 mm, the second flame transfer gap 255 is too large, and the flame stability is low, so that the second burner 201 has poor anti-flaming capability and is prone to flameout.
  • the ignition module 501 integrates the ignition needle 503 and the thermocouple 504 so that the ignition needle 503 is close to the first fire hole 113 and is located inside the burner assembly 300, thereby improving the ignition success rate of the first burner 101 and the second burner 201, and is easy to install.
  • the guide plate 50 is arranged at the air outlet 30k, and cooperates with the inner wall of the air supply channel 30c to define an inner ring air supply port 30i and an outer ring air supply port 30j facing the inner ring fire hole 30a and the outer ring fire hole 30f respectively.
  • the stove 1000 sets the second burner 201 above the first burner 101, and the inner diameter D2 of the second burner is larger than the inner diameter D1 of the first burner.
  • the second burner 201 can be ignited from the inner periphery by drawing the flame upward, thereby ensuring the uniformity of the flame at the bottom of the pot.
  • the structure is simple and convenient.
  • the stove 1000 may be a natural gas stove, a liquefied gas stove or a coal gas stove.
  • the cooker 1000 includes a burner assembly 300, and the burner assembly 300 includes at least one burner, such as a single inner ring burner, a single outer ring burner, a double-ring inner flame burner, or a multi-ring inner flame burner.
  • the burner assembly 300 includes at least one burner, such as a single inner ring burner, a single outer ring burner, a double-ring inner flame burner, or a multi-ring inner flame burner.
  • the stove 1000 includes a burner head 200 , the burner head 200 includes a burner assembly 300 , and the burner assembly 300 includes at least one burner.
  • the stove 1000 may be a single-burner stove, a double-burner stove, or a multi-burner stove.
  • Fig. 6 is a schematic diagram of the structure of a double burner stove, that is, the burner 200 includes a burner assembly 300.
  • the burner assembly 300 can be an outer ring burner, an inner ring burner, or a double ring burner formed by combining an outer ring burner and an inner ring burner, which is not specifically limited here.
  • the ignition needle and the thermocouple are separately arranged on the inner and outer sides of the burner, which makes the installation complicated and the ignition success rate low.
  • the embodiment of the present invention provides a burner assembly 300 and a stove 1000, which can improve the ignition success rate of the first burner and the second burner and are easy to install.
  • the burner assembly 300 and the stove 1000 according to the embodiment of the present invention are described in detail below with reference to Figures 7-15.
  • a burner assembly 300 provided in an embodiment of the present invention includes a first burner 101, a second burner 201 and an ignition module 501.
  • the first burner 101 is annular and has a first fire hole 113 formed on the inner periphery.
  • the second burner 201 is annular and has a second fire hole 213 formed on the inner periphery.
  • the second burner 201 is arranged above the first burner 101, and the inner diameter D2 of the second burner is larger than the inner diameter D1 of the first burner.
  • the ignition module 501 includes an ignition needle 503, a thermocouple 504 and a first bracket 505.
  • the ignition needle 503 and the thermocouple 504 are fixed on the first bracket 505.
  • the ignition module 501 is configured such that the ignition needle 503 is arranged close to the first fire hole 113.
  • the ignition module 501 integrates the ignition needle 503 and the thermocouple 504 so that the ignition needle 503 is close to the first fire hole 113 and is located inside the burner assembly 300, thereby improving the ignition success rate of the first burner 101 and the second burner 201, and is easy to install.
  • the first burner 101 may be an inner ring burner, which may be used to provide an inner ring flame to ensure the flame intensity and heating uniformity in the middle of the pot bottom.
  • the inner periphery of the first burner 101 is formed with a plurality of first fire holes 113 to ensure that the plurality of first fire holes 113 are surrounded by an inner ring fire outlet on the inner periphery to provide an annular inner flame to ensure uniform heating of the middle part of the pot bottom.
  • the second burner 201 may be an outer ring burner, which may be used to provide an outer ring flame to ensure the flame intensity and heating uniformity at the edge of the pot bottom.
  • the inner periphery of the second burner 201 is formed with a plurality of second fire holes 213 to ensure that the plurality of second fire holes 213 are surrounded by the inner periphery to form an outer ring fire outlet, thereby providing an annular outer flame to ensure uniform heating of the edge of the pot bottom.
  • the inner diameter D1 of the first burner may be the diameter of the inner circumference of the first burner 101 to provide an inner ring flame with a diameter of D1.
  • the inner diameter D2 of the second burner may be the diameter of the inner circumference of the second burner 201 to provide an outer ring flame with a diameter of D2.
  • the inner diameter D2 of the second burner is larger than the inner diameter D1 of the first burner, so as to ensure that the first burner 101 and the second burner 201 respectively provide inner ring flame and outer ring flame, and cooperate with each other to ensure that the middle and edge positions of the bottom of the pot are heated evenly, so that the bottom of the pot is heated evenly as a whole, thereby ensuring the uniformity of the flame of the bottom of the pot.
  • the ignition module 501 may be used to provide a discharge arc to ensure normal ignition of the burner assembly 300 , and may also be used to detect changes in thermoelectric potential to ensure safe use of the burner assembly 300 .
  • the ignition needle 503 is arranged on the first bracket 505 and close to the first fire hole 113, and is used to provide a discharge arc to ignite the gas at the first fire hole 113 to form an inner ring flame.
  • the inner ring flame burns upward to ignite the combustion at the second fire hole 213, thereby ensuring that the burner assembly 300 is efficiently ignited, conveniently and quickly.
  • thermocouple 504 is spaced apart from the ignition needle 503 and fixed on the first bracket 505 to contact and detect the flame generated by the first flame hole 113 .
  • thermocouple 504 is equivalent to a sensor, which can control the on and off of the gas passage. When the flame is accidentally extinguished due to reasons such as boiling porridge or boiling water overflow, the thermocouple 504 can automatically cut off the gas source, thereby preventing gas leakage and playing a flameout protection role.
  • the ignition needle 503 is arranged near the first fire hole 113 and located inside the burner assembly 300, and is used to provide a discharge arc to ignite the gas at the first fire hole 113 to form an annular inner flame.
  • the annular inner flame generated by the first fire hole 113 can ignite the gas at the second fire hole 213 from the inner periphery by leading the flame upward to form an annular outer flame, thereby ensuring the flame uniformity of the burner assembly 300, which is convenient and fast, and has high ignition efficiency.
  • the ignition module 501 is disposed inside the burner assembly 300 , which can reduce collisions and accidental damage caused by water overflowing from the bottom of the pot, so that the ignition module 501 can ignite normally, thereby improving the ignition success rate of the ignition module 501 .
  • the ignition needle 503 and the thermocouple 504 are integrated on the ignition module 501, which can ensure efficient ignition of the burner assembly 300, occupy a small space, and is easy to install.
  • first burner 101 and the second burner 201 can be stably set at an appropriate distance to ensure smooth air flow at the first fire hole 113 inside the burner assembly 300, thereby ensuring the normal operation of the first burner 101 and avoiding insufficient secondary air replenishment that causes insufficient intensity (or extinction) of the inner ring flame, thereby ensuring the overall flame uniformity of the pot bottom.
  • the ignition module 501 is disposed between the first burner 101 and the second burner 201 .
  • the ignition module 501 is disposed inside the burner assembly 300 to avoid damage caused by accidental collision, thereby improving the stability and ignition efficiency of the ignition module 501.
  • the ignition module 501 is disposed between the first burner 101 and the second burner 201 , which can reduce the influence of the external environment on the ignition process and ensure that the ignition needle 503 works normally.
  • the external environment may be an accidental collision or accidental spillage of liquid, etc., which may cause the ignition needle 503 to be damaged and unable to ignite normally.
  • the ignition module 501 is disposed between the first burner 101 and the second burner 201 to ensure the stability of the ignition needle 503, thereby providing a suitable ignition environment to achieve efficient ignition.
  • the ignition module 501 can be arranged near the first fire hole 113 of the first burner 101, so that the first burner 101 can be ignited quickly to ignite the gas at the second fire hole 213 of the second burner 201 by drawing the flame upward, thereby improving the ignition success rate of the burner assembly 300.
  • the length direction of the ignition needle 503 forms an angle ⁇ with the central axis of the first burner 101, and the range of the angle ⁇ is (30°, 90°).
  • the ignition needle 503 is brought close to the first fire hole 113 from above the inner periphery of the first burner 101 to ignite the gas in the first fire hole 113, thereby improving the ignition success rate.
  • the ignition needle 503 should be set at a suitable angle ⁇ to ensure that the discharge arc accurately and quickly ignites the gas in the first fire hole 113 , thereby improving the ignition success rate.
  • the angle ⁇ formed by the length direction of the ignition needle 503 and the central axis of the first burner 101 is in the range of (30°, 90°) to ensure normal ignition of the burner assembly 300.
  • the angle ⁇ may range from (30°, 90°), that is, 30° ⁇ 90°. In some examples, ⁇ may be 35°, 40°, 45°, 60°, 65°, 70°, 85° or other values between 30° and 90°.
  • the angle ⁇ is greater than 90°, the angle ⁇ is too large, causing the end of the ignition needle 503 to tilt toward the second burner 201, resulting in an excessively large space between the first burner 101 and the second burner 201, making the distance between the first fire hole 113 and the second fire hole 213 farther, that is, the inner ring flame generated by the first fire hole 113 has a poor effect in igniting the gas at the second fire hole 213, resulting in poor ignition efficiency.
  • the distance between the inner ring flame and the bottom of the pot is quite different from the distance between the outer ring flame and the bottom of the pot, which makes the flame intensity at the bottom of the pot inconsistent, thereby reducing the flame uniformity.
  • the angle ⁇ is less than 30°, the angle ⁇ is too small, causing the tip of the ignition needle 503 to deviate from the first fire hole 113 and be set upward, so that the arc generated by the ignition needle 503 is too far away from the first fire hole 113, making it difficult to lead the arc to the first fire hole 113, thereby reducing the ignition success rate.
  • the length direction of the ignition needle 503 forms an angle ⁇ with the central axis of the first burner 101, and the range of the angle ⁇ is (60°, 70°).
  • the positions of the ignition needle 503 and the first fire hole 113 are ensured to be more suitable, so that the ignition success rate of the first burner 101 is higher.
  • the angle ⁇ formed by the length direction of the ignition needle 503 and the central axis of the first burner 101 is in the range of (60°, 70°), so that the ignition success rate of the ignition needle 503 is high, thereby ensuring fast and efficient ignition of the first burner 101.
  • the angle ⁇ may range from (60°, 70°), that is, 60° ⁇ 70°.
  • ⁇ may be 61°, 63°, 64°, 65°, 67°, 68°, 69° or other values between 60° and 70°.
  • the angle ⁇ is greater than 70°, the angle ⁇ is larger, so that the space between the first burner 101 and the second burner 201 is larger, resulting in a longer distance between the first fire hole 113 and the second fire hole 213, that is, the effect of the inner ring flame generated by the first fire hole 113 to ignite the gas at the second fire hole 213 is poor, resulting in poor ignition efficiency.
  • the distance between the inner ring flame and the bottom of the pot is quite different from the distance between the outer ring flame and the bottom of the pot, which makes the flame intensity at the bottom of the pot inconsistent, thereby reducing the flame uniformity.
  • the angle ⁇ is less than 60°, the angle ⁇ is small, so that the tip of the ignition needle 503 deviates from the first fire hole 113 and is set upward, so that the arc generated by the ignition needle 503 is far away from the first fire hole 113, and it is not easy to lead the arc to the first fire hole 113, thereby reducing the ignition success rate.
  • the ignition module 501 is disposed inside the first burner 101 .
  • the ignition needle 503 is moved close to the first fire hole 113 from below the inner periphery of the first burner 101 to ignite the gas in the first fire hole 113, thereby improving the ignition success rate.
  • the ignition module 501 is arranged on the inner side of the first burner 101, that is, the ignition module 501 is close to the first fire hole 113 from the bottom of the inner periphery of the first burner 101, which can reduce the impact of accidental collisions or accidental spilling of liquid on the ignition process, thereby ensuring the normal operation of the ignition needle 503.
  • the ignition module 501 is disposed inside the first burner 101 to improve the stability of the ignition needle 503, thereby providing a stable ignition environment to achieve efficient ignition.
  • the ignition module 501 is arranged near the first fire hole 113 of the first burner 101, so that the first burner 101 ignites quickly to ignite the gas at the second fire hole 213 of the second burner 201 by drawing the flame upward, thereby improving the ignition success rate of the burner assembly 300.
  • the ignition module 501 is disposed inside the first burner 101, so that the appearance of the burner assembly 300 is more beautiful and neat.
  • the first bracket 505 includes a fixing plate 531 and two sets of spring plates 532 extending from the fixing plate 531 .
  • the spring piece 532 forms a corresponding slot 533 , and the ignition needle 503 and the thermocouple 504 are fixed in the slot 533 respectively.
  • the spring piece 532 may be two arc-shaped metal sheets to form a clamping slot 533 , which can ensure that the ignition needle 503 and the thermocouple 504 are respectively clamped in the slot 533 , thereby improving the stability of the ignition module 501 .
  • the spring piece 532 is set on the bracket 22 at a certain angle so that the tip of the ignition needle 503 and the tip of the thermocouple 504 are set close to each other, and the end of the ignition needle 503 and the end of the thermocouple 504 are set far apart from each other, thereby ensuring that the ignition needle 503 and the thermocouple 504 are close to the first fire hole 113, thereby ensuring normal ignition and flameout protection of the burner assembly 300.
  • the ignition needle 503 and the thermocouple 504 are integrated on the first bracket 505 to improve installation efficiency, while ensuring efficient ignition and flameout protection of the burner assembly 300, thereby improving the safety of the burner assembly 300.
  • the first burner 101 includes a first lower plate 122, a first upper plate 133 and a first partition plate 143 arranged on the first lower plate 122.
  • the first lower plate 122 is formed with a first lower channel 125
  • the first upper plate 133 is formed with a first upper channel 135 corresponding to the first lower channel 125.
  • the first lower channel 125 and the first upper channel 135 are opposite to form a first fire hole 113.
  • the first partition plate 143 is arranged between the first lower plate 122 and the first upper plate 133, and separates the first lower channel 125 from the first upper channel 135.
  • the first upper channel 135 of the first upper plate 133 and the first lower channel 125 of the first lower plate 122 are arranged opposite to each other, so that the first fire hole 113 of the first burner 101 is formed opposite to each other, thereby increasing the total area of the fire holes of the first burner 101, and further increasing the flame intensity and load upper limit of the first burner 101.
  • the first lower plate 122 may be used to form the first fire hole 113 , and thus the first lower plate 122 may be made of a high temperature resistant and corrosion resistant material.
  • the first lower plate 122 may be made of aluminum alloy to ensure the bending performance of the first lower plate 122, thereby ensuring the concave shape of the first lower channel 125. In other embodiments, the first lower plate 122 may also be made of other materials, which are not specifically limited here.
  • the first upper plate 133 can be used to form the first fire hole 113 with the first lower plate 122, so the first upper plate 133 can be made of a high temperature resistant and corrosion resistant material.
  • the first upper plate 133 can be made of the same material as the first lower plate 122 to ensure the bending performance of the first upper plate 133, thereby ensuring the upward convex shape of the first upper channel 135.
  • the first upper plate 133 can also be made of other materials, which are not specifically limited here.
  • first lower channel 125 and the first upper channel 135 are formed opposite to each other to form a first fire hole 113 similar to a circular ring. Compared with a single first lower channel 125 or a single first upper channel 135 arranged in a staggered manner, the total area of the first fire hole 113 is increased, so that the combustion amount of the gas is increased, thereby improving the flame intensity of the first burner 101.
  • the equivalent cross-sectional area of the first fire hole 113 of the present application does not change, which can ensure that the first burner 101 has a larger flame and excellent fire transfer and flame stabilization effects.
  • the first partition plate 143 forms a protrusion 141, which contacts the arc generated by the ignition needle 503 to prevent the arc from running away, thereby increasing the ignition success rate and improving the user experience.
  • the protrusion 141 is arranged on the first partition plate 143, and can be used to attract the arc generated by the ignition needle 503, so that the arc ignites the gas at the protrusion 141 to form a flame, so as to prevent the discharge arc of the ignition needle 503 from deviating from the direction of the first partition plate 143, thereby improving the ignition success rate of the first burner 101.
  • first upper plate 133 and the first partition plate 143 form a first fire transfer gap 155 between two adjacent first upper channels 135.
  • the efficiency of the first fire hole 113 in forming an overall annular flame can be improved, thereby improving the ignition success rate of the first burner 101 and further ensuring the ignition efficiency of the burner assembly 300.
  • the second lower plate 222 may be used to form the second fire hole 213 , and thus the second lower plate 222 may be made of a high temperature resistant and corrosion resistant material.
  • the second lower plate 222 may be made of aluminum alloy to ensure the bending performance of the second lower plate 222, thereby ensuring the forming of the second lower channel 225.
  • the second lower plate 222 may also be made of other materials, which are not specifically limited here.
  • the second upper plate 233 can be used to form the second fire hole 213 with the second lower plate 222, so the second upper plate 233 can be made of a high temperature resistant and corrosion resistant material.
  • the second upper plate 233 can be made of the same material as the second lower plate 222 to ensure the bending performance of the second upper plate 233, thereby ensuring the forming of the second upper channel 235.
  • the second upper plate 233 can also be made of other materials, which are not specifically limited here.
  • the second lower channel 225 and the second upper channel 235 are formed opposite to each other to form a second fire hole 213 similar to a circular ring. Compared with a single second lower channel 225 or a single second upper channel 235 arranged in a staggered manner, the total area of the second fire hole 213 is increased, so that the combustion amount of the gas is increased, thereby improving the flame intensity of the second burner 201.
  • the equivalent cross-sectional area of the second fire hole 213 of the present application does not change, which can ensure that the second burner 201 has a larger flame and at the same time has excellent fire transfer and flame stabilization effects.
  • the inner diameter D2 of the second burner is 1.2 to 2.5 times the inner diameter D1 of the first burner to ensure that the flame generated by the burner assembly 300 heats the bottom of the pot evenly, thereby improving gas utilization and cooking efficiency.
  • the inner diameter D2 of the second burner can be in the range of (1.2D1, 2.5D1), so that the flame generated by the second burner 201 can better cover the edge of the bottom of the pot, thereby ensuring that the middle and edge of the bottom of the pot are evenly heated, thereby improving cooking efficiency.
  • the inner diameter D2 of the second burner is in the range of 2.5D1>D2>1.2D1.
  • the inner diameter D2 of the second burner may be 1.3D1, 1.5D1, 1.6D1, 1.9D1, 2.0D1, 2.3D1, 2.4D1 or other values between 1.2D1 and 2.5D1.
  • the inner diameter D2 of the second burner is greater than 2.5D1
  • the inner diameter D2 of the second burner is too large, causing the outer ring flame generated by the second fire hole 213 to extend to the outside of the pot bottom, resulting in a large distance between the outer ring flame and the inner ring flame at the pot bottom, insufficient heating, and reduced flame uniformity of the burner assembly 300.
  • the outward extension of the gas reduces the utilization rate of the gas, and there is also a risk of high temperature of the pot handle causing scalding to the user.
  • the inner diameter D2 of the second burner is less than 1.2D1
  • the inner diameter D2 of the second burner is too small, so that the outer ring flame generated by the second fire hole 213 is close to the inner ring flame generated by the first fire hole 113, resulting in excessive heating of the middle part of the bottom of the pot and insufficient heating of the edge of the bottom of the pot, making the overall bottom of the pot heated unevenly, which may easily cause safety risks.
  • the heating area of the pot bottom and the cooking efficiency can be further improved while ensuring that the flame covers the pot bottom well.
  • the inner diameter D2 of the second burner is 1.5 times the inner diameter D1 of the first burner, so that the inner ring flame generated by the first fire hole 113 and the outer ring flame generated by the second fire hole 213 are located at appropriate positions on the bottom of the pot, thereby better ensuring the heat supply and flame uniformity of the bottom of the pot.
  • the ignition needle 503 is directed toward and close to the protrusion 141 , thereby ensuring ignition efficiency.
  • the fixing plate 701 is disposed above the second burner 201 and can be used to fix the second burner 201 to improve the stability and safety of the burner assembly 300 .
  • the second bracket 40 may be a burner bracket, and the ignition module 501 may be stably disposed on the second bracket by means of screws engaging the fixing holes 534, thereby improving the stability of the ignition needle 503 and the ignition success rate.
  • the second bracket 40 may be disposed at the bottom of the burner assembly 300 , and the second bracket 40 is formed with a cylindrical inner cavity, which can be used to hold the oil cup 60 to ensure that the burner assembly 300 is clean and sanitary.
  • the second bracket 40 is also formed with a plurality of claws, and the plurality of claws are formed with a plurality of mounting holes, which can be used to fix and support the ignition module 501 and the burner assembly 300, thereby ensuring the stable operation of the burner assembly 300 and improving the safety of kitchen cooking.
  • the second bracket 40 can be used to fix multiple components, such as the ignition module 501, the oil cup 60 and the fixing plate 701, so as to improve the burner assembly. Installation efficiency of 300 pieces.
  • the second bracket 40 may be integrally die-casted from an aluminum alloy material to reduce weight and production costs, or may be formed by other processes, which are not specifically limited herein.
  • first height difference H1 between the first fire hole 113 and the second fire hole 213 .
  • the range of the first height difference H1 is (15 mm, 40 mm).
  • the first height difference H1 may be in the range of (15 mm, 40 mm), that is, 15 mm ⁇ H1 ⁇ 40 mm.
  • H1 may be 17 mm, 19 mm, 23 mm, 25 mm, 30 mm, 32 mm, 37 mm, or other values between 15 mm and 40 mm.
  • the first height difference H1 is greater than 40 mm, the first height difference H1 is too large, so that the distance between the first burner 101 and the second burner 201 is too far, and it is difficult to assist the ignition of the second burner 201 through the flame of the first burner 101, thereby reducing the ignition efficiency.
  • the first height difference H1 is less than 15 mm, the first height difference H1 is too small, so that the distance between the first burner 101 and the second burner 201 is too close, the heat dissipation effect is poor, and the internal heat of the burner assembly 300 is too high, which is prone to safety hazards.
  • first height difference H1 between the first fire hole 113 and the second fire hole 213 , and the first height difference H1 is in the range of (20 mm, 30 mm).
  • the first height difference H1 should be selected to have a suitable distance to ensure the normal operation and safe use of the first burner 101 and the second burner 201 .
  • the first height difference H1 may be in the range of (20 mm, 30 mm) to further improve the heat dissipation efficiency and flame transfer efficiency of the burner assembly 300 .
  • the first height difference H1 may be in the range of (20 mm, 30 mm), that is, 20 mm ⁇ H1 ⁇ 30 mm.
  • H1 may be 21 mm, 23 mm, 24 mm, 25 mm, 26 mm, 27 mm, 29 mm, or other values between 20 mm and 30 mm.
  • the ignition efficiency and heat dissipation efficiency of the burner assembly 300 are high, thereby ensuring the safety of the burner assembly 300 .
  • the flame generated by the first burner 101 is transmitted from the first fire hole 113 to the second fire hole 213 (from bottom to top), which can better ignite the gas at the second fire hole 213 from the inner periphery of the second burner 201 to form a double-ring flame to cover the bottom of the pot, thereby improving the ignition efficiency.
  • the burner assembly 300 includes a guide plate 301, which is arranged between the first burner 101 and the second burner 201. There is a second height difference H2 between the guide plate 301 and the top of the first fire hole 113, and there is a third height difference H3 between the guide plate 301 and the bottom of the second fire hole 213. The third height difference H3 is greater than the second height difference H2.
  • the first burner 101 and the second burner 201 are respectively kept at an appropriate distance from the guide plate 301 to improve the air flow inside the burner assembly 300, thereby improving the combustion efficiency of the burner assembly 300.
  • the third height difference H3 is greater than the second height difference H2, ensuring that the distance between the guide plate 301 and the top of the first fire hole 113 is small, so that the secondary air inside the burner assembly 300 is transported at a shorter distance and a faster speed, thereby improving the combustion efficiency of the burner assembly 300.
  • the second height difference H2 is in the range of (0, 8 mm).
  • the top of the first burner 101 maintains a suitable distance from the guide plate 301 to improve the supply of secondary air, thereby improving the combustion efficiency of the first burner 101.
  • the second height difference H2 should be selected to have a suitable distance to ensure the supply speed of the secondary air of the first fire hole 113 , thereby improving the combustion efficiency of the first burner 101 .
  • the second height difference H2 is greater than 8 mm, the second height difference H2 is too large, so that the time for the secondary air to reach the first fire hole 113 is too long, thereby reducing the combustion efficiency of the first burner 101 and the flame uniformity is low.
  • the second height difference H2 is 5 mm.
  • the second height difference H2 can be 5 mm, that is, the distance between the top of the first fire hole 113 and the guide plate 301 is 5 mm. While ensuring that there is an appropriate distance between the top of the first burner 101 and the guide plate 301, the secondary air can quickly reach the first fire hole 113, thereby making the combustion efficiency of the first burner 101 higher.
  • the gas at the first fire hole 113 can be fully burned by the secondary air, so that the combustion efficiency of the first burner 101 is higher, thereby improving the flame intensity.
  • the second height difference H2 is 5 mm
  • the distance between the first burner 101 and the guide plate 301 is large, and the heat dissipation efficiency is high, thereby ensuring the safe operation of the burner assembly 300 .
  • the third height difference H3 is in the range of (0, 15 mm).
  • the third height difference H3 may be in the range of (0, 15 mm), that is, 0 ⁇ H3 ⁇ 15 mm. In some examples, H3 may be 1 mm, 3 mm, 4 mm, 7 mm, 9 mm, 10 mm, 13 mm or other values between 0 and 15 mm.
  • the third height difference H3 is too large, which makes the burner assembly 300 larger in volume and occupies a larger space.
  • the third height difference H3 is 9 mm.
  • the third height difference H3 can be 9 mm, that is, the distance between the bottom of the second fire hole 213 and the guide plate 301 is 9 mm. Under the condition of ensuring that the gas in the second fire hole 213 is fully burned, sufficient secondary air can be introduced into the burner assembly 300, so that the combustion efficiency of the first burner 101 is higher, thereby ensuring that the flame uniformity of the burner assembly 300 is better.
  • the gas at the second fire hole 213 can be fully burned by the secondary air, so that The combustion efficiency of the second burner 201 is higher, thereby improving the flame intensity.
  • the third height difference H3 is 9 mm
  • sufficient secondary air can quickly enter the burner assembly 300 through the third height difference H3 to accelerate air flow and heat dissipation rate.
  • sufficient secondary air can also reach the first fire hole 113 along the side wall of the guide plate 301 to fully burn the gas in the first fire hole 113, thereby ensuring that the burner assembly 300 has a high combustion efficiency and good flame uniformity.
  • a first fire transfer gap 155 is formed between the first upper plate 133 and the first partition plate 143 , and the first fire transfer gap 155 communicates with two adjacent first fire holes 113 .
  • the first flame transfer gap 155 is formed between the first upper plate 133 and the first partition plate 143 to ensure that a connectable gap is formed between two adjacent first upper channels 135 in the first upper plate 133 to play a role in transferring and stabilizing the flame.
  • the ignition needle 503 can release an electric arc to the protrusion 141 to ignite the gas at the outlet of one of the first upper channels 135, and transfer the flame to two adjacent first upper channels 135 through the first flame transfer gap 155, thereby forming a continuous flame, thereby ensuring the flame transfer efficiency and ignition success rate.
  • the first fire transfer gap 155 connects the two adjacent first upper channels 135 and continuously replenishes secondary air to ensure that the gas in the two adjacent first upper channels 135 is fully burned, so that the first burner 101 forms an overall continuous flame, thereby ensuring high flame intensity and good stability, thereby improving the anti-fire capability of the first burner 101 and achieving the purpose of flame stabilization.
  • the first flame transfer gap 155 may be in the range of [0.50 mm, 0.80 mm], so that two adjacent independent first upper channels 135 are connected together to ensure the flame transfer capability and flame stabilization capability of the first burner 101 .
  • the first ignition gap 155 ranges from 0.50 mm to 0.80 mm.
  • the first ignition gap 155 can be 0.50 mm, 0.57 mm, 0.62 mm, 0.68 mm, 0.70 mm, 0.71 mm, 0.80 mm, or other values between 0.50 mm and 0.80 mm.
  • the first flame transfer gap 155 When the first flame transfer gap 155 is larger than 0.80 mm, the first flame transfer gap 155 is too large, and the flame stability is low, so that the first burner 101 has poor anti-flaming capability and is prone to flameout.
  • a second fire transfer gap 255 is formed between the second upper plate 233 and the second partition plate 243 , and the second fire transfer gap 255 communicates with two adjacent second fire holes 213 .
  • the second flame transfer gap 255 is formed between the second upper plate 233 and the second partition plate 243 to ensure that a connectable gap is formed between two adjacent second upper channels 235 in the second upper plate 233 to play a role in transferring and stabilizing the flame.
  • the second burner 201 can be ignited by the flame generated by the first burner 101 to ignite the gas at the second fire hole 213, and transfer the flame to the two adjacent second upper channels 235 through the second fire transfer gap 255, thereby forming a continuous flame, thereby ensuring the fire transfer efficiency and ignition success rate.
  • the second fire transfer gap 255 connects the two adjacent second upper channels 235 and continuously replenishes secondary air to ensure that the gas in the two adjacent second upper channels 235 is fully burned, so that the second burner 201 forms an overall continuous flame, thereby ensuring high flame intensity and good stability, thereby improving the anti-fire capability of the second burner 201 and achieving the purpose of flame stabilization.
  • the second flame transfer gap 255 may be in the range of [0.50 mm, 0.80 mm], so that two adjacent independent second upper channels 235 are connected together to ensure the flame transfer capability and flame stabilization capability of the second burner 201 .
  • the second spark gap 255 ranges from 0.50 mm to 0.80 mm.
  • the second spark gap 255 can be 0.50 mm, 0.57 mm, 0.62 mm, 0.68 mm, 0.70 mm, 0.71 mm, 0.80 mm, or other values between 0.50 mm and 0.80 mm.
  • the second flame transfer gap 255 is less than 0.50 mm, the second flame transfer gap 255 is too small, and the flame transfer efficiency and the secondary air supplement efficiency are low, so that the flame transfer ability of the second burner 201 is poor.
  • An embodiment of the present invention provides a stove 1000 .
  • the stove 1000 includes the burner assembly 300 of any one of the above embodiments.
  • the ignition module 501 integrates the ignition needle 503 and the thermocouples 504504 into one, so that the ignition needle 503 is close to the first fire hole 113 and located inside the burner assembly 300, so as to improve the ignition success rate of the first burner 101 and the second burner 201, and the installation is simple.
  • the stove 1000 may be a natural gas stove, a liquefied gas stove or a coal gas stove.
  • the cooker 1000 includes a burner assembly 300, and the burner assembly 300 includes at least one burner, such as a single inner ring burner, a single outer ring burner, a double-ring inner flame burner, or a multi-ring inner flame burner.
  • the burner assembly 300 includes at least one burner, such as a single inner ring burner, a single outer ring burner, a double-ring inner flame burner, or a multi-ring inner flame burner.
  • the stove 1000 includes a stove head 200, the stove head 200 includes a burner assembly 300, and the burner assembly 300 includes at least one burner.
  • the stove 1000 may be a single-burner stove, a double-burner stove, or a multi-burner stove.
  • FIG15 is a schematic diagram of the structure of a double burner stove, that is, the burner 200 includes a burner assembly 300.
  • the burner assembly 300 can be an outer ring burner, an inner ring burner, or a double ring burner formed by combining an outer ring burner and an inner ring burner, which is not specifically limited here.
  • the burner generally has an inner fire hole and an outer fire hole to form the effect of inner ring combustion and outer ring combustion of the cooker.
  • the flame at the inner fire hole and the flame at the outer fire hole in the prior art will compete for the secondary air when the secondary air is replenished, resulting in poor combustion efficiency of the burner.
  • the stove includes a stove shell, a burner 100 and a liquid receiving pan.
  • the stove shell defines a accommodating cavity.
  • the burner 100 is installed in the accommodating cavity and is used to heat the cooker.
  • the stove shell comprises a panel, which is provided with an opening communicating with the accommodating cavity.
  • the liquid receiving pan is installed at the opening and is used to receive the soup overflowed from the cooker for easy cleaning and to prevent the soup from flowing into the stove shell.
  • the burner monomer 30 formed with the inner ring fire hole 30a is an inner ring burner
  • the burner monomer 30 formed with the outer ring fire hole 30f is an outer ring burner.
  • the interior of each burner monomer 30 is formed as a gas channel 30h, and the gap between the two burner monomers 30 is formed as a gas supply channel 30c.
  • the upper shell 31 and the lower shell 33 can be made of stainless steel, copper alloy or aluminum alloy.
  • the burner unit 30 When made of stainless steel, stainless steel has the advantages of low cost, long service life and high melting point compared to copper, so it is resistant to burning, and the upper shell 31 and the lower shell 33 can be formed by forging or stamping at one time to improve processing efficiency.
  • the upper shell 31 and the lower shell 33 are connected by welding after the upper shell 31 and the lower shell 33 are covered, so as to achieve the final fixation of the two, which has the effect of firm connection.
  • the burner unit 30 includes an ejection pipe part 35 and a burner head part 37 fixedly connected to the ejection pipe part 35, and the burner head part 37 is provided with an inner ring fire hole 30a or an outer ring fire hole 30f.
  • the burner unit 30 (outer ring burner) formed with the outer ring fire hole 30f further includes a second partition plate 34.
  • a gap is formed between the portion of the burner head 37 in the upper shell 31 that forms the outer ring fire hole 30f and the portion of the burner head 37 in the lower shell 33 that forms the outer ring fire hole 30f.
  • the second partition plate 34 is disposed in the gap and divides the outer ring fire hole 30f into two sub-outer ring fire holes 30g that are arranged opposite to each other in the height direction of the burner 100.
  • the outer ring fire hole 30f when the outer ring fire hole 30f is divided into two sub-outer ring fire holes 30g, the area of the outer ring fire hole 30f can be reduced, so that the combustion resistance of the sub-outer ring fire hole 30g to the flame becomes larger, and the probability of the occurrence of flame flashback and flameout is reduced.
  • the facing arrangement of the sub-outer ring fire holes 30g can ensure that each burner unit 30 can have a sufficient number of sub-outer ring fire holes 30g to ensure the heat load of the burner unit 30.
  • the present invention can improve the wrapping of the bottom of the cooker through the coordination of the inner ring burner and the outer ring burner, improve the convection heat transfer coefficient between the bottom of the cooker and the flame of the burner unit 30, and realize the improvement of the combustion efficiency of the burner 100.
  • the mounting bracket 10 can be made of copper, aluminum or alloy, among which the alloy material can be stainless steel, for example, processed by forging, which is easy to process.
  • the mounting bracket 10 can include a base 11, at least two connecting legs 13 and a connecting rib 15.
  • the base 11 is connected to the stove body.
  • the connection for example, may be that the base 11 is provided with a first fixing hole, the bottom of the stove body is provided with a second fixing hole, and the base 11 and the stove body are fixedly connected by a connecting piece cooperating with the first fixing hole and the second fixing hole.
  • the number of the first fixing holes may be at least two, and at least two first fixing holes are arranged at intervals along the circumference of the base 11, and the number of the second fixing holes at the bottom of the stove body may also be at least two, and one first fixing hole corresponds to one second fixing hole, so that the connection firmness between the base 11 and the bottom of the stove body can be further improved.
  • the mounting bracket 10 has at least two connecting parts 131, that is, the connecting leg 13 of the mounting bracket 10 is provided with a connecting part 131, and a burner monomer 30 is connected to a connecting part 131, so as to realize the connection between the burner monomer 30 and the connecting leg 13 of the mounting bracket 10.
  • the connecting leg 13 can also be provided with a first fixing part 1314 and a third fixing part 1315, the guide plate 50 is connected to the first fixing part 1314, and the gland 90 is connected to the third fixing part 1315 and the connecting part 131.
  • the connecting rib 15 has a second fixing part 151, and the fixing bracket 73 is connected to the second fixing part 151.
  • the mounting bracket 10 can realize the bearing installation of various components of the burner 100, the number of structures is small, and the supporting and fixing effect is better.
  • the number of connecting legs 13 is three, one of the connecting legs 13 is provided with a connecting portion 131, a first fixing portion 1314 and a third fixing portion 1315, and the remaining two connecting legs 13 are both provided with a connecting portion 131 and a first fixing portion 1314.
  • the connecting leg 13 extends in the height direction of the burner 100, and the two burner monomers 30 are arranged at intervals in the extension direction of the connecting leg 13. In this way, the two burner monomers 30 can have a height difference in the height direction of the burner 100.
  • the areas of the inner ring fire hole 30a and the outer ring fire hole 30f are equal, when the number of the outer ring fire holes 30f on the outer ring burner is greater than the number of the inner ring fire holes 30a of the inner ring burner, the total area of the outer ring fire holes 30f of the outer ring burner will be larger, that is, the thermal efficiency of the outer ring burner on the cooker is higher.
  • the outer ring burner When the outer ring burner is located above the inner ring burner in the height direction of the burner 100, the distance between the outer ring burner and the cooker is closer than the distance between the inner ring burner and the cooker. In this way, the position of the outer ring burner is set closer to the cooker, and the thermal efficiency of the outer ring burner on the cooker can be better utilized to heat the cooker, thereby improving the overall thermal efficiency of the burner 100.
  • the two burner units 30 have a height difference, the situation where the two burner units 30 compete with each other for secondary air from the environment is reduced. For example, when the outer ring burner is located above the inner ring burner, the outer ring burner and the inner ring burner are prevented from competing with each other for secondary air in the environment.
  • the efficiency of supplying secondary air to the flames at the inner ring fire hole 30a of the inner ring burner and the outer ring fire hole 30f of the outer ring burner can be effectively improved, so that the flame can burn fully, and the carbon monoxide generated by the burner 100 can be better converted into carbon dioxide, reducing the emission of stove smoke, ensuring the user's physical safety, and better improving the user's experience.
  • the gap between the two burner monomers 30 is formed as an air supplement channel 30c, which is independent of the gas channel 30h.
  • the secondary air required for the flame combustion at the inner ring fire hole 30a and the outer ring fire hole 30f can be supplemented through the air supplement channel 30c.
  • the air supplement channel 30c is formed by the gap between the two burner monomers 30 in the height direction of the burner 100.
  • the air supplement channel 30c includes an air inlet 30d located between the two burner monomers 30 and an air outlet 30k between the outer ring fire hole 30f and the inner ring fire hole 30a.
  • the guide plate 50 is arranged at the air outlet 30k, and cooperates with the inner wall of the air supplement channel 30c to define an inner ring air supplement port 30i and an outer ring air supplement port 30j facing the inner ring fire hole 30a and the outer ring fire hole 30f respectively.
  • the secondary air can enter the air supply channel 30c through the air inlet 30d, and then flow out through the inner ring air supply port 30i and the outer ring air supply port 30j respectively, so as to flow through the corresponding inner ring fire hole 30a and the outer ring fire hole 30f respectively.
  • the guide plate 50 can be an annular body made of stainless steel, cold plate or aluminum alloy, and includes a guide body 51 and a first connecting foot 53 connected to the outer edge of the guide body 51, the first connecting foot 53 is connected to the first fixing portion 1314, and the guide body 51 is arranged at the air outlet 30k.
  • each burner monomer 30 can be supplemented with its own secondary air without snatching the air of another burner monomer 30, which further effectively improves the secondary air supply efficiency and further reduces smoke emissions.
  • the first connecting foot 53 When the first connecting foot 53 is connected to the first fixing portion 1314, the first connecting foot 53 cooperates with the surface of the connecting portion 131 to press and fix the burner monomer 30 with the inner ring fire hole 30a, further improving the connection stability between the burner monomer 30 and the connecting leg 13.
  • the user can easily observe the internal structure of the stove body from the position of the air supply channel 30c.
  • the guide body 51 of the guide plate 50 When the guide body 51 of the guide plate 50 is located at the air outlet 30k, the guide body 51 can have a certain shielding effect on the air supply channel 30c, preventing the user from observing the internal structure of the stove body from the air supply channel 30c, thereby improving the overall aesthetics of the stove.
  • the structure of the first connecting foot 53 of the guide body 51 can be an integrated structure, such as realizing the processing and manufacturing of the two by an integrated stamping molding method.
  • the guide body 51 and the first connecting foot 53 can also be a split structure, such as realizing a fixed connection between the two by bonding, clamping or threaded connection, so that it is convenient to disassemble, repair or replace either of the two.
  • the guide body 51 of the guide plate 50 can be constructed as an annular structure, so that an inner ring air supply port 30i and an outer ring air supply port 30j can be constructed in the annular direction respectively, so as to avoid the situation where two adjacent burner units 30 compete with each other for secondary air in the annular direction, and further effectively improve the secondary air supply efficiency, so as to further reduce smoke emissions.
  • a hook is formed on the flow guide body 51, and a slot 1313a is formed on the upper shell 31 or the lower shell 33 in the burner unit 30, and the hook can be locked in the slot 1313a to achieve the locking and fixing of the flow guide body 51 to the upper shell 31 or the lower shell 33.
  • the upper shell 31 or the lower shell 33 in the burner unit 30 may also be formed with a hook, and a slot 1313a is formed on the flow guide body 51, and the hook can also be locked in the slot 1313a to achieve the locking and fixing of the flow guide body 51 to the upper shell 31 or the lower shell 33.
  • the cooperation further improves the stability of the clamping and fixing between the flow guide body 51 and the upper shell 31 or the lower shell 33.
  • the present invention provides at least two first connection pins 53, and at least two first connection pins 53 are arranged around the guide body 51.
  • the connection stability of the guide plate 50 on the connection leg 13 can be further improved by at least two first connection pins 53, and the pressing effect on the burner monomer 30 of the inner ring fire hole 30a can be improved.
  • the number of the first connection pins 53 can be two, three, four or five, etc., which is not limited.
  • the oil cup 60 can be made of stainless steel or a plate, wherein the oil cup 60 is fixed to the base 11 and is located on the inner side of the inner ring fire hole 30a, and a receiving cavity 60a is formed in the oil cup 60.
  • the receiving cavity 60a can collect dirt generated during the cooking process, such as oil, liquid and debris generated by the cooking utensils during the cooking process, to prevent the dirt from entering the stove body.
  • the oil cup 60 can be fixed to the base 11 by directly placing the oil cup 60 inside the base 11. When the receiving cavity 60a of the oil cup 60 needs to be cleaned, the user can directly take the oil cup 60 out of the base 11, which is easy to operate and improves the user experience.
  • Thermocouple 70 is composed of two different alloy materials. Different alloy materials will generate different thermoelectric potentials under the action of temperature. The two ends of the conductors of two different components are connected to form a loop. When the temperature of the junction is different, an electromotive force will be generated in the loop. In the abnormal flameout state, the thermoelectric potential of thermocouple 70 disappears, and the solenoid valve on the gas pipeline will shut off the gas. During normal use, the continuous thermoelectric potential of thermocouple 70 ensures that the solenoid valve of the gas pipeline is always in an open and ventilated state. In this way, the safety of the user in the process of using the burner 100 can be guaranteed through the detection of thermocouple 70, thereby improving the safety of fire use.
  • the igniter 71 is used to provide enough energy in an instant to ignite the mixed air at the inner ring fire hole 30a and the outer ring fire hole 30f to form a flame.
  • the guide body 51 of the guide plate 50 interferes with the position of the thermocouple 70 and the igniter 71, the guide body 51 may be provided with an escape opening 513 for the thermocouple 70 and the igniter 71 to pass through, so that the thermocouple 70 and the igniter 71 can extend into the vicinity of the inner ring fire hole 30a of the burner unit 30, thereby realizing the detection function of the thermocouple 70 and the igniter 71.
  • the pressure cap 90 can be made of stainless steel or a plate.
  • the pressure cap 90 is located above at least two burner monomers 30 and is used to cooperate with the mounting bracket 10 to clamp and fix at least two burner monomers 30.
  • the pressure cap 90 includes a cover body 91 and at least two second connecting legs 93 connected to the outer edge of the cover body 91, one second connecting leg 93 is connected to the third fixing portion 1315, and the other second connecting leg 93 is connected to the connecting portion 131, so as to cooperate with the mounting bracket 10 to clamp and fix the burner monomer 30. In this way, the connection stability between the burner monomer 30 and the connecting leg 13 can be improved, and the burner monomer 30 and the connecting leg 13 can be prevented from being separated, which may cause danger to the user.
  • the cover body 91 can be constructed as an annular structure, so that after the final installation is completed, the burner monomer 30 with the outer ring fire hole 30f can be stopped in the annular direction, thereby improving the fixing effect of the pressure cap 90 on the burner monomer 30 as a whole.
  • the structural form of the cover body 91 and the second connecting foot 93 can be an integral structure, for example, the two are processed and manufactured by an integral stamping molding method.
  • the cover body 91 and the second connecting foot 93 can also be a split structure, for example, the two are fixedly connected by bonding, clamping or threaded connection, so that either of them can be easily disassembled, repaired or replaced.
  • the present invention provides at least two second connection pins 93, and at least two second connection pins 93 are arranged around the cover body 91.
  • the number of second connection pins 93 can be two, three, four or five, etc., and this is not limited.
  • the number of second connection pins 93 is three, and three second connection pins 93 are arranged around the cover body 91, which ensures that the number of second connection pins 93 is small while ensuring the stability of the connection of the mounting bracket 10.
  • the two burner monomers 30 can improve the wrapping of the bottom of the cooker, improve the convective heat transfer coefficient between the bottom of the cooker and the flame of the burner monomer 30, and improve the combustion efficiency of the burner 100.
  • a single burner monomer 30 can be processed and manufactured separately, such as forging, without the need for high-cost one-piece casting, so as to reduce the production cost of the burner 100.
  • the pressure cover 90 cooperates with the mounting bracket 10 to clamp and fix the burner monomer 30, so as to further improve the stability of the burner monomer 30 installed on the mounting bracket 10, and reduce the risk of the burner monomer 30 and the mounting bracket 10 being separated or falling.
  • the burner unit 30 itself has a modular structure, that is, the burner unit 30 has the functions of an injector, a burner head and a fire distribution cover. When it needs to be disassembled for maintenance or repair, the burner unit 30 can be directly disassembled at the connection part 131 of the mounting bracket 10, which is easy to operate.
  • a single mounting bracket 10 can be used to assemble the two burner units 30, the guide plate 50, the oil cup 60, the thermocouple 70, the igniter 71 and the pressure cover 90 of the burner 100, thereby reducing the number of mounting structural parts of the burner 100, thereby reducing the number of structures of the burner 100 and making the structure simpler. This reduces production costs and facilitates the overall assembly of the burner 100 by staff or users.
  • the secondary air when the secondary air enters from the air inlet 30d of the air supply channel 30c, under the guiding effect of the guide plate 50, the secondary air will be divided into two sub-air flows, one of which will flow to the inner ring air supply port 30i and finally flow to the inner ring fire hole 30a, while the other will flow to the outer ring air supply port 30j and finally flow to the outer ring fire hole 30f.
  • the air grabbing situation between the flames generated by the inner ring fire hole 30a and the outer ring fire hole 30f can be reduced, so as to improve the combustion efficiency of the stove and the burner 100.
  • the guide surface 511 is used to guide the dirt into the seat body 11 or the oil cup 60 in the seat body 11. In this way, when the dirt falls or drips from the cooker, the dirt can be guided into the seat body 11 or the oil cup 60 in the seat body 11 under the guidance of the guide surface 511 of the flow guide body 51.
  • the user can lay a paper towel or a bag body on the seat body 11 to collect the dirt, and can directly replace the paper towel or bag body with the dirt collected when cleaning is needed, which is convenient to operate.
  • the flow guide body 51 can guide the dirt to the seat body 11 or the oil cup 60 while being able to play the role of airflow diversion, thereby improving the user experience.
  • the size of the inner ring air supply port 30i will be too small, thereby reducing the flow rate of secondary air entering from the inner ring air supply port 30i, resulting in insufficient oxygen required for the flame burning at the inner ring fire hole 30a, and methane cannot be completely converted into carbon dioxide and is partially converted into carbon monoxide, resulting in excessive carbon monoxide.
  • the size of the outer ring air supply port 30j When the distance is less than or equal to 0 mm, the size of the outer ring air supply port 30j will be too small, thereby reducing the flow rate of secondary air entering from the outer ring air supply port 30j, resulting in insufficient oxygen required for the flame burning at the outer ring fire hole 30f, and methane cannot be completely converted into carbon dioxide and is partially converted into carbon monoxide, resulting in excessive carbon monoxide.
  • the spacing between the upper surface of the portion of the burner monomer 30 constituting the outer ring fire hole 30f and the inner edge 517 can be 1 mm, 3 mm, 5 mm, 7 mm, 9 mm, 12 mm or 15 mm, etc., and the present invention is not limited to this.
  • the burner unit 30 is also formed with an inner ring fire outlet located inside the plurality of inner ring fire holes 30a, and the distance referred to here can be formed by the end face of the inner ring fire hole 30a being closer to the center of the inner ring fire outlet than the inner edge 517, or by the inner edge 517 being closer to the center of the inner ring fire outlet than the end face of the inner ring fire hole 30a.
  • the spacing between the end face of the inner ring fire hole 30a and the inner edge 517 can be 0 mm, 1 mm, 2 mm, 3 mm, 4 mm or 5 mm, etc., and the present invention is not limited to this.
  • the diameter of the inner ring fire outlet of the burner unit 30 may be 80 mm, and the inner edge 517 of the guide body 51 of the guide plate 50 may be 80 mm.
  • the diameter of the enclosed opening can be 80 mm, and at this time the distance between the end surface of the inner ring fire hole 30a and the inner edge 517 can be 0 mm.
  • the distance between the end face of the outer ring fire hole 30f and the outer edge 515 is greater than or equal to 10 mm and less than or equal to 30 mm, which is L2 shown in FIG. 22.
  • the distance is greater than or equal to 10 mm and less than or equal to 30 mm, the flame at the outer ring fire hole 30f can burn fully.
  • the opening area of the outer ring air supply port 30j will be too small, resulting in a reduction in the flow rate of secondary air entering from the outer ring air supply port 30j, resulting in insufficient oxygen required for the flame burning at the outer ring fire hole 30f, and methane cannot be completely converted into carbon dioxide and is partially converted into carbon monoxide, resulting in excessive carbon monoxide.
  • the spacing between the end face of the outer ring fire hole 30f and the outer edge 515 can be 10 mm, 15 mm, 20 mm, 25 mm or 30 mm, etc., and the present invention is not limited to this.
  • the burner unit 30 is also formed with an outer ring fire outlet located on the inner side of the plurality of outer ring fire holes 30f.
  • the diameter of the outer ring fire outlet can be 120 mm, and the diameter of the opening surrounded by the outer edge 517 of the guide body 51 of the guide plate 50 can be 100 mm.
  • the distance between the end face of the outer ring fire hole 30f and the outer edge 515 can be 20 mm.
  • the oil cup 60 includes a cup body 61 and a handle 63.
  • the cup body 61 is fixed to the base 11.
  • the handle 63 is connected to the cup body 61 and extends in a direction away from the base 11.
  • the outer peripheral surface of the handle 63 and the inner side wall of the cup body 61 form a receiving cavity 60a.
  • the structure of the cup body 61 and the handle 63 can be an integrated structure, which can improve the connection strength between the two and reduce the assembly process of the two.
  • the junction between the end surface of the handle part 63 away from the seat body 11 and the outer peripheral surface of the handle part 63 is chamfered. In this way, when the user needs to carry the oil cup 60 and the hand touches the handle part 63, the user's hand will not be scratched by the junction between the end surface and the outer peripheral surface, which ensures the user's safety and further improves the user's experience.
  • the outer edge of the cup body 61 of the oil cup 60 is formed with a supporting outer edge 65, which is hung on the overlapping edge 111 of the seat body 11, and the side of the supporting outer edge 65 close to the seat body 11 is formed with a first guide surface 651, and the overlapping edge 111 of the seat body 11 is formed with a second guide surface 1111 that guides and cooperates with the first guide surface 651.
  • the first guide surface 651 of the supporting outer edge 65 is guided and cooperated with the second guide surface 1111 of the seat body 11, so that the cup body 61 of the oil cup 60 can be automatically centered on the seat body 11 during the placement process, so that under the guidance of the guide surface 511 formed on the inner side of the guide body 51, the dirt can be more accurately guided into the receiving cavity 60a of the oil cup 60, which is convenient to operate and further improves the user experience.
  • the support outer edge 65 can be constructed as an annular structure, so that when the oil cup 60 is placed on the seat body 11, the support outer edge 65 can be annularly abutted against the overlapping edge 111 of the seat body 11 in the annular direction, so that the stability of the oil cup 60 placed on the seat body 11 can be further improved.
  • a mounting boss is further formed on the connecting rib 15, an inclined surface is formed on the mounting boss, and the second fixing portion 151 is arranged on the inclined surface of the mounting boss, so that when the fixing bracket 73 is connected to the second fixing portion 151, the thermocouple 70 and the igniter 71 installed on the fixing bracket 73 can be arranged obliquely upward and penetrated with the avoidance opening 513.
  • thermocouple 70 and the igniter 71 can be obliquely inserted between the guide body 51 of the guide plate 50 and the inner ring burner, so that it is convenient for the staff to realize the installation of the thermocouple 70 and the igniter 71 in the burner 100, and further improve the installation efficiency of the staff.
  • the inclined surface of the mounting boss on the connecting rib 15 also has a positioning protrusion 153, and the fixed bracket 73 is provided with a positioning hole that is positioned and matched with the positioning protrusion 153, so that the fixed bracket 73 can be pre-fixed on the connecting rib 15 through pre-positioning and matching, and then the second fixing part 151 is connected to the fixed bracket 73 to achieve the final fixed connection between the fixed bracket 73 and the connecting rib 15, so that the accuracy of the relative position of the fixed bracket 73 when connected to the connecting rib 15 can be ensured.
  • the fixed bracket 73 can also have a positioning protrusion 153, and the inclined surface of the mounting boss on the connecting rib 15 is provided with a positioning hole that is positioned and matched with the positioning protrusion 153, so that the fixed bracket 73 can also be pre-fixed on the connecting rib 15 through the positioning and matching of the positioning protrusion 153 and the positioning hole.
  • the number of positioning protrusions 153 can be one or more (for example, two, three, four or five, etc.), and the number of positioning holes can correspond to the number of positioning protrusions 153.
  • the number of positioning protrusions 153 is multiple, the accuracy of positioning setting can be improved, and the positioning effect can be further improved. There is no specific limitation on this.
  • the fixed bracket 73 includes a frame body 731 and two clamping springs 733, the frame body 731 is connected to the second fixed part 151, and the two clamping springs 733 are connected to the frame body 731, one of the clamping springs 733 is used to clamp or release the thermocouple 70, and the other clamping spring 733 is used to clamp or release the igniter 71.
  • a clamping space is formed in the clamping spring 733.
  • the clamping spring 733 When clamping or releasing the thermocouple 70 and the igniter 71, the clamping spring 733 will undergo elastic deformation under the contact of the thermocouple 70 and the igniter 71, so that the clamping space becomes larger or smaller, that is, in the clamping process, the clamping space will first become larger, so that the thermocouple 70 and the igniter 71 enter the clamping space.
  • the clamping space When the thermocouple 70 and the igniter 71 gradually enter the clamping space, the clamping space will shrink, and the thermocouple 70 and the igniter 71 will be clamped. In the release process, the clamping space will first become larger, and when the thermocouple 70 and the igniter 71 gradually leave the clamping space, the clamping space will gradually shrink.
  • thermocouple 70 and the igniter 71 can be connected to the fixed bracket 73 by bonding, which is not limited to this.
  • the material of the clamping spring 733 can be a metal material or a plastic material or other material with a certain elastic deformation.
  • the metal material has the advantages of a high melting point, burning resistance and greater strength to achieve the clamping stability of the thermocouple 70 or the igniter 71, and there is no limitation on this.
  • the above content introduces the advantages of the burner 100 of the present invention in terms of the structural form of the guide plate 50, which has a high combustion efficiency.
  • the ejector tube portion 35 is connected to one connecting leg 13 through the connecting portion 131, and the burner head portion 37 is connected to the remaining connecting legs 13 through the connecting portion 131.
  • the ejector tube portion 35 and the burner head portion 37 of the burner unit 30 can be fixedly connected to improve the overall support stability of the burner unit 30.
  • connection between the connecting part 131 connected to the ejector tube part 35 and the ejector tube part 35 may be a fixed connection method, such as a threaded connection or a latch connection, while the connection between the connecting part 131 connected to the furnace head part 37 and the furnace head part 37 may be a non-fixed connection method, such as a snap-on, overlapped, or other non-fixed connection method (when it is a snap-on connection method, the connecting part 131 connected to the furnace head part 37 is also a slot 1313a, and part of the structure of the furnace head part 37 is snapped in the slot 1313a to achieve a snap-on connection; and when it is an overlapped connection method, the connecting part 131 connected to the furnace head part 37 is also a step, and part of the structure of the furnace head part 37 is overlapped on the step to achieve an overlapped connection).
  • a fixed connection method such as a threaded connection or a latch connection
  • connection between the connecting part 131 connected to the ejection tube part 35 and the ejection tube part 35, and the connection between the connecting part 131 connected to the furnace head part 37 and the furnace head part 37 can be fixedly connected to further improve the support fixity.
  • the ejector tube portion 35 includes an ejector tube 351 and a mounting edge 353, wherein the ejector tube 351 forms an ejector passage connected to the inner ring fire hole 30a or the outer ring fire hole 30f, and the mounting edge 353 is connected to the outer edge of the ejector tube 351.
  • the furnace head portion 37 includes a combustion ring 371 and a skirt 373, wherein the combustion ring 371 is provided with a combustion passage connected to the inner ring fire hole 30a or the outer ring fire hole 30f, and the skirt 373 is arranged around the outer edge of the combustion ring 371. It can be understood that the ejection channel is connected to the gas channel and jointly defines the above-mentioned gas channel 30h.
  • the ejection channel In the ejection channel, primary air is sucked in from the entrance of the ejection channel and mixed with the gas in the ejection channel. Then the diffuser section in the ejection channel increases the pressure of the mixed gas, so that the gas and air in the mixed gas are further mixed. Then the mixed gas will flow to the combustion channel again.
  • the annular combustion channel will distribute the mixed gas in an annular shape and then flow out from the inner ring fire hole 30a or the outer ring fire hole 30f to be ignited by the igniter 71, thereby achieving the effect of annular flame, so as to heat the cooker in an annular direction and better wrap the cooker.
  • the connection part 131 includes a first connection part 1311 provided on the connection support leg 13 corresponding to the ejector tube part 35 and a second connection part 1313 provided on the connection bracket corresponding to the furnace head part 37.
  • the mounting edge 353 is fixedly connected to the first connection part 1311, so that the ejector tube part 35 can be fixed on the first connection part 1311 of the connection support leg 13.
  • the skirt 373 is fixedly connected to the second connection part 1313, so that the furnace head part 37 and the second connection part 1313 are fixedly connected.
  • connection with the first connection part 1311 and the second connection part 1313 can be achieved respectively through the extended mounting edge 353 and the skirt 373 without affecting the inherent structure of the ejector tube 351 of the ejector tube part 35 and the combustion ring 371 of the furnace head part 37.
  • first connection portion 1311 is a first connection hole 1311a provided on the connection leg 13, and the mounting edge 353 is provided with a second connection hole 3531.
  • the mounting edge 353 and the connection leg 13 are fixedly connected by a fastener (not shown in the figure) and the first connection hole 1311a and the second connection hole 3531.
  • the fastener may be a threaded member, and the first connection hole 1311a and the second connection hole 3531 may both be threaded holes. The fastener sequentially penetrates the first connection hole 1311a and the second connection hole 3531 to achieve threaded fixed connection between the mounting edge 353 and the connection leg 13.
  • the fastener may also be a fastening pin, for example, by inserting the fastening pin into the first connection hole 1311a and the second connection hole 3531, the mounting edge 353 and the connection leg 13 are fixedly connected.
  • the type of fastener is not specifically limited here, and can be selected according to actual connection strength requirements and costs.
  • the second connection part 1313 is a slot 1313a formed on the connection leg 13, and the skirt 373 is clamped in the slot 1313a to connect the skirt 373 and the connection leg 13.
  • the skirt 373 can be first clamped in the slot 1313a to realize the pre-installation of the burner unit 30 on the connection leg 13 of the mounting bracket 10, and then the first connection part 1311 is fixedly connected with the mounting edge 353 to realize the final connection between the burner unit 30 and the connection leg 13, which is convenient to operate and can appropriately reduce the assembly steps, while ensuring the connection stability of the two, improving the assembly efficiency.
  • the first connection part 1311 can also be a slot 1313a
  • the second connection part 1313 can be a connection hole
  • the first connection part 1311 and the second connection part 1313 can both be connection holes, which is not limited to this.
  • the liquid receiving pan is formed with an opening, and a limit rib 911 protruding in a direction away from the burner unit 30 is formed on the cover body 91 of the pressure cover 90.
  • the limit rib 911 is passed through the opening and is used to stop and limit the side wall surface of the opening.
  • the limit rib 911 can also be used as a reference object for the installation position. By passing the limit rib 911 through the opening, the approximate installation position of the liquid receiving pan can be determined, which is convenient for installation.
  • the limiting rib 911 is in a ring shape. In this way, the limiting rib 911 can play a limiting role on the liquid receiving tray in the ring direction, so as to play a limiting effect on the liquid receiving tray in the ring direction.
  • the limiting rib 911 can also be a structural form including multiple sub-ribs, and the multiple sub-ribs are arranged at intervals along the circumference of the cover body 91 of the pressure cover 90.
  • the limiting effect on the liquid receiving tray can also be played in the ring direction, and the production materials of the liquid receiving tray can be reduced, and the production cost of the liquid receiving tray can be reduced to a certain extent, which is not limited to this.
  • the joint between the limiting retaining edge 911 and the cover body 91 of the pressure cover 90 has a smooth transition. This arrangement can reduce the sharpness of the joint so that when the user or staff touches the joint, they will not be scratched by the joint, thereby improving the user experience and ensuring safety.
  • the assembly process may be as follows: first, the mounting bracket 10 is fixedly connected to the bottom of the stove body (for example, through a connecting piece and the first fixing hole of the mounting bracket 10 and the second fixing hole of the stove body). After the mounting bracket 10 and the bottom of the stove body are installed, the oil cup 60 may be placed on the base 11 of the mounting bracket 10, and then the inner ring burner of the two burner monomers 30 may be installed on the connecting legs 13 of the mounting bracket 10 (for example, the inner ring burner is respectively connected to the first connecting portion 1311 and the second connecting portion 1313 of the connecting portion 131 in the mounting bracket 10), and then the igniter 71 and the thermocouple 70 are respectively installed on the fixing bracket 73 (for example, the igniter 71 and the thermocouple 70 are installed on their respective clamping springs 733, and the igniter 71 and the thermocouple 70 are clamped and fixed by the clamping springs 733), and then the fixing bracket 73 is fixed to the fixing bracket 73.
  • the fixed bracket 73 is fixedly connected to the connecting rib 15 (for example, the pre-positioning is first achieved through the positioning hole of the fixed bracket 73 and the positioning protrusion 153 of the mounting boss of the connecting rib 15, and then the fixed bracket 73 is fixedly connected to the second fixing portion 151 of the connecting rib 15).
  • the guide plate 50 is installed on the first fixing portion 1314 of the connecting leg 13 of the mounting bracket 10 (for example, the first connecting leg 53 of the guide plate 50 is fixedly connected to the first fixing portion 1314).
  • the outer ring burners of the two burner monomers 30 are installed on the connecting leg 13 of the mounting bracket 10 (for example, the outer ring burners are respectively connected to the first fixing portions 131 of the connecting portion 131 of the mounting bracket 10).
  • a connecting portion 1311 and a second connecting portion 1313 are provided, wherein the inner ring burner and the outer ring burner are arranged at intervals in the extension direction of the connecting leg 13 so that there is a height difference between the two, that is, the outer ring burner is located above the inner ring burner.
  • the pressure cover 90 is finally installed on the third fixing portion 1315 of the connecting leg 13 (for example, the second connecting leg 93 of the pressure cover 90 is fixedly connected to the third fixing portion 1315), so that the cover body 91 of the pressure cover 90 presses against the outer ring burner, and finally the liquid receiving pan is placed above the pressure cover 90.
  • the installation of the burner 100 and the stove body in the stove of the embodiment of the present invention and the complete installation process of the burner 100 itself can be realized, and the installation is convenient and quick.

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Gas Burners (AREA)

Abstract

Sont divulgués dans la présente invention un ensemble brûleur et un poêle. L'ensemble brûleur comprend un premier brûleur et un second brûleur. Le premier brûleur est annulaire, et de premiers trous d'incendie sont formés dans la périphérie interne du premier brûleur. Le second brûleur est annulaire, et de seconds trous d'incendie sont formés dans la périphérie interne du second brûleur ; et le second brûleur est disposé au-dessus du premier brûleur, et le diamètre interne du second brûleur est supérieur à celui du premier brûleur. Dans l'ensemble brûleur, au moyen de l'agencement du second brûleur au-dessus du premier brûleur et du réglage du diamètre interne du second brûleur pour qu'il soit supérieur à celui du premier brûleur, lorsque le premier brûleur est allumé avec succès, le second brûleur peut être allumé à partir de la périphérie interne au moyen de flammes de guidage vers le haut, ce qui permet d'assurer une distribution de flamme uniforme au fond d'un pot ; l'ensemble brûleur présente une structure simple et permet la facilité et la rapidité.
PCT/CN2024/113485 2023-08-21 2024-08-20 Ensemble brûleur et poêle Pending WO2025040102A1 (fr)

Applications Claiming Priority (10)

Application Number Priority Date Filing Date Title
CN202322255825.5U CN220541086U (zh) 2023-08-21 2023-08-21 燃烧器组件和灶具
CN202311057897.7 2023-08-21
CN202322255825.5 2023-08-21
CN202311055052.4 2023-08-21
CN202322255631.5U CN220541088U (zh) 2023-08-21 2023-08-21 燃烧器组件和灶具
CN202311055052.4A CN119492046A (zh) 2023-08-21 2023-08-21 燃烧器组件和灶具
CN202311057897.7A CN119492048B (zh) 2023-08-21 2023-08-21 燃烧器组件和灶具
CN202311055729.4 2023-08-21
CN202311055729.4A CN117053195B (zh) 2023-08-21 2023-08-21 燃烧器和燃烧灶
CN202322255631.5 2023-08-21

Publications (1)

Publication Number Publication Date
WO2025040102A1 true WO2025040102A1 (fr) 2025-02-27

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Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2024/113485 Pending WO2025040102A1 (fr) 2023-08-21 2024-08-20 Ensemble brûleur et poêle

Country Status (2)

Country Link
EP (1) EP4513084B1 (fr)
WO (1) WO2025040102A1 (fr)

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CN102242932A (zh) * 2010-05-14 2011-11-16 林内株式会社 炉具用燃烧器
US20190309953A1 (en) * 2018-04-10 2019-10-10 Haier Us Appliance Solutions, Inc. Boosted gas burner assembly and a method of operating the same
CN111306540A (zh) * 2018-12-11 2020-06-19 林内株式会社 炉具用燃烧器及燃气炉具
CN220541086U (zh) * 2023-08-21 2024-02-27 芜湖美的智能厨电制造有限公司 燃烧器组件和灶具
CN220541088U (zh) * 2023-08-21 2024-02-27 芜湖美的智能厨电制造有限公司 燃烧器组件和灶具

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DE19905198A1 (de) * 1999-02-09 2000-08-10 Agt Gas Technology Gmbh Kochstelle für Gasherde
NL2006811C2 (en) * 2011-01-21 2012-07-24 Intell Properties B V Multi purpose gas burner.
CN203703983U (zh) * 2014-01-10 2014-07-09 周崇高 用于聚能燃烧器的外火盖
CN210398914U (zh) * 2018-06-03 2020-04-24 宁波方太厨具有限公司 一种燃烧器火盖

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Publication number Priority date Publication date Assignee Title
JPH0371230U (fr) * 1989-11-13 1991-07-18
CN201331106Y (zh) * 2008-12-31 2009-10-21 迅达集团湖北迅达科技有限公司 燃气灶的不锈钢板燃烧器
CN102242932A (zh) * 2010-05-14 2011-11-16 林内株式会社 炉具用燃烧器
US20190309953A1 (en) * 2018-04-10 2019-10-10 Haier Us Appliance Solutions, Inc. Boosted gas burner assembly and a method of operating the same
CN111306540A (zh) * 2018-12-11 2020-06-19 林内株式会社 炉具用燃烧器及燃气炉具
CN220541086U (zh) * 2023-08-21 2024-02-27 芜湖美的智能厨电制造有限公司 燃烧器组件和灶具
CN220541088U (zh) * 2023-08-21 2024-02-27 芜湖美的智能厨电制造有限公司 燃烧器组件和灶具

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