EP4317788B1 - Brûleur pour cuisinière à gaz et cuisinière à gaz - Google Patents

Brûleur pour cuisinière à gaz et cuisinière à gaz

Info

Publication number
EP4317788B1
EP4317788B1 EP22923073.5A EP22923073A EP4317788B1 EP 4317788 B1 EP4317788 B1 EP 4317788B1 EP 22923073 A EP22923073 A EP 22923073A EP 4317788 B1 EP4317788 B1 EP 4317788B1
Authority
EP
European Patent Office
Prior art keywords
gas
inner ring
channel
fire cover
ring fire
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.)
Active
Application number
EP22923073.5A
Other languages
German (de)
English (en)
Other versions
EP4317788A1 (fr
EP4317788A4 (fr
Inventor
Song Li
Guanyun XU
Xiande HE
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.)
Midea Group Co Ltd
Foshan Shunde Midea Washing Appliances Manufacturing Co Ltd
Original Assignee
Midea Group Co Ltd
Foshan Shunde Midea Washing Appliances 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 CN202210096629.5A external-priority patent/CN114321917B/zh
Priority claimed from CN202220427694.7U external-priority patent/CN217383024U/zh
Priority claimed from CN202210181787.0A external-priority patent/CN114440266B/zh
Application filed by Midea Group Co Ltd, Foshan Shunde Midea Washing Appliances Manufacturing Co Ltd filed Critical Midea Group Co Ltd
Publication of EP4317788A1 publication Critical patent/EP4317788A1/fr
Publication of EP4317788A4 publication Critical patent/EP4317788A4/fr
Application granted granted Critical
Publication of EP4317788B1 publication Critical patent/EP4317788B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

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
    • F23D14/00—Burners for combustion of a gas, e.g. of a gas stored under pressure as a liquid
    • F23D14/46—Details
    • F23D14/70—Baffles or like flow-disturbing devices
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24C—DOMESTIC STOVES OR RANGES ; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
    • F24C3/00—Stoves or ranges for gaseous fuels
    • F24C3/08—Arrangement or mounting of burners
    • F24C3/085—Arrangement or mounting of burners on ranges
    • 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
    • F23D2900/00003—Fuel or fuel-air mixtures flow distribution devices upstream of the outlet
    • 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 present disclosure of the invention relates to the field of electric appliance technologies, and, more particularly, to a burner and a gas stove.
  • a burner is classified into an updraft burner and a downdraft burner, and the updraft burner has an ejection capability poorer than that of the traditional downdraft structure.
  • the updraft burner has an ejection capability poorer than that of the traditional downdraft structure.
  • it is difficult to distribute gas flowing through an inner ring fire cover and an outer fire cover.
  • the gas discharged from the nozzle preferentially passes through the inner ring fire cover, resulting in excessive gas inflow volume of the inner ring fire cover and insufficient gas inflow volume of the outer ring fire cover, thereby leading to insufficient burning and an increase in CO emissions.
  • EP2629010 (A2 ) discloses a burner for gas oven that comprises a tapered base (1), a distributor, an outer annular cover (5) and an inner circular cover (6), wherein the distributor includes a cross-shaped lower portion (3) and a upper portion (4) mated with the lower portion and wherein the tapered base (1) includes a tapered gas mixing chamber (1.3), a gas passage (1.1), and air passages (1.2).
  • CN104713085 (A ) discloses a burner and a bottom cup that comprises a gas inlet passage and a single nozzle which is communicated with the gas inlet passage and arranged upwards.
  • CN2916395 (Y ) discloses an inner flame burner that comprises a fire lid (1), an inner fire lid (2), upper part and lower part (3) and (4) of the burner body and a nozzle (17).
  • the present invention provides a burner as defined in the independent claims, and a gas stove, aiming to at least to some extent solve technical problems of insufficient burning and an increased in CO emissions due to excessive gas inflow volume of an inner ring fire cover and insufficient gas inflow volume of an outer ring fire cover in the related art. Further developments of the present invention are defined in the dependent claims.
  • the burner includes: a gas distributor having a gas channel, a gas passage, and a gas homogenization portion; an inner ring fire cover disposed at the gas distributor; and an outer ring fire cover disposed at the gas distributor.
  • the gas mixing cavity of the inner ring fire cover is in communication with a gas outlet end of the gas passage, and a gas mixing cavity of the outer ring fire cover is in communication with the gas mixing cavity of the inner ring fire cover through the gas channel.
  • the gas passage is in communication with the gas channel through the gas homogenization portion, which balances gas quantity of the gas mixing cavity of the outer ring fire cover and gas quantity of the gas mixing cavity of the inner ring fire cover.
  • gas is transmitted to the gas mixing cavity of the inner ring fire cover through the gas passage and then is transmitted to the gas mixing cavity of the outer ring fire cover through the gas channel. Since the gas distributor has the gas homogenization portion and the gas passage is in communication with the gas channel through the gas homogenization portion, gas inflow volume of the inner ring fire cover and gas inflow volume of the outer ring fire cover can be balanced to improve a phenomenon of insufficient burning and reduce CO emissions. Thus, practicability is good.
  • the gas homogenization portion is further provided with a flow guide groove located at the gas channel, and the gas passage is in communication with the gas channel through the flow guide groove.
  • the gas channel has an end in communication with the gas outlet end of the gas passage and another end in communication with the gas mixing cavity of the outer ring fire cover.
  • the gas mixing cavity of the inner ring fire cover is in communication with the gas outlet end of the gas passage.
  • the gas homogenization portion includes the flow guide groove formed in the gas channel and configured to communicate between the gas passage and the gas channel.
  • the flow guide groove can increase volume of the gas channel, thereby reducing a discharge pressure of the gas channel.
  • an ejection force can be increased to some extent to facilitate flowing of the gas to the gas mixing cavity of the outer ring fire cover. Therefore, a load of the inner ring fire cover is reduced to balance the gas inflow volume of the inner ring fire cover and the gas inflow volume of the outer ring fire cover.
  • the burning is more sufficient to reduce the CO emissions. As a result, the practicability is good.
  • the gas distributor includes an inner ring gas inlet portion provided with the gas passage in an axial direction of the inner ring gas inlet portion and provided with a plurality of flow guide grooves arranged at intervals along an outer circumferential surface of the inner ring gas inlet portion.
  • a ratio of an inner diameter of an annular region formed by the plurality of flow guide grooves to a diameter of the gas passage is greater than or equal to 1.5: 1.
  • the inner ring gas inlet portion includes: a first cylinder body, and a second cylinder body connected to an outer circumferential surface of the first cylinder body.
  • the first cylinder body has the gas passage that penetrates in an axial direction of the first cylinder body;, a height of a top of the second cylinder body is lower than a height of a top of the first cylinder body, and the flow guide groove extends from the top of the first cylinder body to a middle of an outer circumferential surface of the second cylinder body.
  • the top of the first cylinder body has a guide tangent plane corresponding to the flow guide groove, a top of the guide tangent plane is located at a middle of the top of the first cylinder body, and a bottom of the guide tangent plane is located at a top of the corresponding flow guide groove.
  • the inner ring gas inlet portion further includes a transition cylinder body located between the outer circumferential surface of the first cylinder body and the top of the second cylinder body, a top of the transition cylinder body having a gradually decreasing height from inside to outside.
  • the gas mixing cavity of the inner ring fire cover has a gap with the inner ring gas inlet portion, the gap is located above the top of the inner ring gas inlet portion, and the inner ring fire cover is in communication with the outer ring fire cover through a plurality of cavities.
  • Each of the plurality of cavities has the gas channel, the plurality of flow guide grooves is disposed correspondingly to the plurality of cavities, and the flow guide groove is formed in the gas channel of the corresponding cavity.
  • the gas distributor further has a gas inlet channel and a disturbance channel, and a gas inlet end of the gas channel is in communication with the gas outlet end of the gas passage through the gas inlet channel.
  • a first end of the disturbance channel is in communication with and located at a middle of the gas passage, a second end of the disturbance channel is in communication with the gas channel, and a disturbance angle is formed between a gas outlet direction of the disturbance channel and a gas outlet direction of the gas inlet channel.
  • the disturbance channel is configured as the gas homogenization portion.
  • the gas that enters the gas passage may partially flow into the disturbance channel before being discharged from the gas outlet end of the gas passage, which can reduce gas flow volume of the gas mixing cavity of the inner ring fire cover, to decrease the load of the inner ring fire cover and balance the gas inflow volume of the inner ring fire cover and the gas inflow volume of the outer ring fire cover.
  • the gas discharged from the second end of the gas passage and gas discharged from the gas inlet channel form a swirling flow region when meeting in a gas inlet cavity, which increases disturbance and is beneficial to the mixing of the gas and the primary air.
  • the burning is more sufficient to reduce the CO emissions.
  • the practicability is good.
  • the gas distributor may include an inner ring gas inlet portion provided with the gas passage that penetrates in an axial direction of the inner ring gas inlet portion.
  • a plurality of disturbance channels may be arranged at intervals around the axial direction of the inner ring gas inlet portion.
  • the first end of the disturbance channel may be in communication with and formed at the middle of the gas passage, and the second end of the disturbance channel penetrates a circumferential surface of the inner ring gas inlet portion.
  • the second end of the disturbance channel has a higher height than the first end of the disturbance channel.
  • the gas inlet channel may have a first end in communication with the gas outlet end of the gas passage and a second end in communication with the gas channel, the first end of the gas inlet channel has a higher height than the second end of the gas inlet channel, and the second end of the gas inlet channel has a higher height than the second end of the disturbance channel.
  • the gas mixing cavity of the inner ring fire cover may have a gap with the inner ring gas inlet portion, and the gap between the gas mixing cavity of the inner ring fire cover and the inner ring gas inlet portion is located above the inner ring gas inlet portion and limited as the gas inlet channel.
  • the gas distributor may further include an enclosing plate disposed at the circumferential surface of the inner ring gas inlet portion; and an outer side wall of the inner ring fire cover extends to the enclosing plate.
  • the inner ring fire cover, the inner ring gas inlet portion, and the enclosing plate enclose a disturbance cavity having an open top, and the second end of the disturbance channel is in communication with the disturbance cavity through the disturbance cavity.
  • the inner ring fire cover may be in communication with the outer ring fire cover through a plurality of cavities, and the plurality of cavities have the gas channels in communication with the plurality of disturbance channels through the disturbance cavity.
  • the gas distributor may further include a plurality of support plates arranged at intervals at an outer circumferential surface of the inner ring gas inlet portion, a bottom of each of the plurality of cavities has an opening and being sealed by a corresponding support plate, and the cavity and the corresponding support plate forms the gas channel with two open ends.
  • Another aspect of the present invention further provides a gas stove including the burner as mentioned above.
  • the gas stove according to the present invention can balance the gas inflow volume of the inner ring fire cover and the gas inflow volume of the outer ring fire cover, which improves the phenomenon of insufficient burning, and reduces the CO emissions. Therefore, the practicability is good.
  • the present disclosure of the invention provides a burner and a gas stove, aiming to at least to some extent solve technical problems of insufficient burning and an increased in CO emissions due to excessive gas inflow volume of an inner ring fire cover and insufficient gas inflow volume of an outer ring fire cover in the related art.
  • a gas distributor 100 of a burner 1000 has a gas channel 103, a gas passage 102, and a gas homogenization portion 101, 119.
  • Each of an outer ring fire cover 300 and an inner ring fire cover 200 is disposed on the gas distributor 100.
  • a gas mixing cavity of the inner ring fire cover 200 is in communication with a gas outlet end of the gas passage 102, and a gas mixing cavity of the outer ring fire cover 300 is in communication with the gas mixing cavity of the inner ring fire cover 200 through the gas channel 103.
  • the gas passage 102 is in communication with the gas channel 103 through the gas homogenization portion 101, 119.
  • Gas is transmitted to the gas mixing cavity of the inner ring fire cover 200 through the gas passage 102 and then is transmitted to the outer ring fire cover 300 through the gas channel 103. Since the gas distributor 100 has the gas homogenization portion 101, 119 and the gas passage 102 is in communication with the gas channel 103 through the gas homogenization portion 101, 119, gas inflow volume of the inner ring fire cover 200 and gas inflow volume of the outer ring fire cover 300 can be balanced to improve a phenomenon of insufficient burning and reduction in CO emissions. Thus, practicability is good.
  • An embodiment of the present disclosure provides a burner, aiming to at least to some extent solve the technical problems of the insufficient burning and the increased in CO emissions due to the excessive gas inflow volume of the inner ring fire cover 200 and the insufficient gas inflow volume of the outer ring fire cover 300 in the related art.
  • FIG. 1 is a schematic structural diagram of a burner according to an embodiment of the present disclosure.
  • FIG. 2 is an exploded view of FIG. 1 .
  • FIG. 3 is a top view of FIG. 1 .
  • FIG. 4 is a cross-sectional view taken along A-A illustrated in FIG. 3 .
  • the burner includes a gas distributor 100, an inner ring fire cover 200, and an outer ring fire cover 300.
  • the gas distributor 100 has a flow guide groove 101, a gas passage 102, and a gas channel 103.
  • An end of the gas channel 103 is in communication with a gas outlet end of the gas passage 102.
  • the gas passage 102 is in communication with the gas channel 103 through the flow guide groove 101.
  • Each of the inner ring fire cover 200 and the outer fire cover 300 is disposed at the gas distributor 100.
  • a gas mixing cavity of the inner ring fire cover 200 is in communication with the gas outlet end of the gas passage 102.
  • a gas mixing cavity of the outer fire cover 300 is in communication with another end of the gas channel 103.
  • the gas distributor 100 of the burner includes the gas passage 102 and the gas channel 103.
  • the gas mixing cavity of the inner ring fire cover 200 is in communication with the gas inlet end of the gas passage 102.
  • the end of the gas channel 103 is in communication with the gas outlet end of the gas passage 102, and the gas mixing cavity of the outer ring fire cover 300 is in communication with the other end of the gas channel 103. In this way, gas may be transmitted through the gas passage 102.
  • a part of the transmitted gas is first transmitted to the gas mixing cavity of the inner ring fire cover 200 for burning in the inner ring fire cover 200, and another part of the transmitted gas is transmitted to the gas mixing cavity of the outer ring fire cover 300 through the gas channel 103 for burning in the outer ring fire cover 300. Since the gas passage 102 is in communication with the gas channel 103 through the flow guide groove 101 of the gas distributor 100, volume of the gas channel 103 can be increased, and a discharge pressure of the gas channel 103 can be reduce. In this way, an ejection force can be increased to some extent to facilitate flowing of the gas to the gas mixing cavity of the outer ring fire cover 300.
  • FIG. 5 is a schematic structural diagram of a gas distributor illustrated in FIG. 1 .
  • the gas distributor 100 includes an inner ring gas inlet portion 104.
  • the inner ring gas inlet portion 104 has the gas passage 102 in an axial direction of the inner ring gas inlet portion 104.
  • An end of the gas passage 102 is a gas inlet end connected to an ejection pipe. Gas mixed with primary air may be transmitted to the gas passage 102 through the ejection pipe of the burner and discharged out of another end of the gas passage 102.
  • a plurality of flow guide grooves 101 described above are arranged at intervals along an outer circumferential surface of the inner ring gas inlet portion 104.
  • at least four flow guide grooves 101 are arranged at equal intervals along the outer circumferential surface of the inner ring gas inlet portion 104, to guarantee a proper ejection force, and to balance the gas inflow volume of the inner ring fire cover 200 and the gas inflow volume of the outer ring fire cover 300. Therefore, the burning is more sufficient.
  • a ratio of an inner diameter of an annular region formed by the plurality of flow guide grooves 101 to a diameter of the gas passage 102 is greater than or equal to 1.5: 1.
  • a size of the flow guide groove 101 is associated with gas flow volume of the gas passage 102. As the gas flow volume increases, a required size of the channel increases, i.e., a larger size of the flow guide groove 101 is required. Only in this way can enough mixed gas be ensured to flow through the flow guide groove 101. Therefore, the ratio of the inner diameter of the annular region formed by the plurality of flow guide grooves 101 to the diameter of the gas passage 102 is greater than or equal to 1.5:1 to ensure an amount of gas flowing through the flow guide groove 101. Thus, uniform mixing is facilitated, and a good ejection effect is ensured.
  • the inner ring gas inlet portion 104 includes a first cylinder body 105 and a second cylinder body 106.
  • the first cylinder body 105 is provided with the gas passage 102 that penetrates in an axial direction of the first cylinder body 105.
  • the second cylinder body 106 is connected to an outer circumferential surface of the first cylinder body 105.
  • a height of a top of the second cylinder body 106 is lower than a height of a top of the first cylinder body 105, and the flow guide groove 101 extends from the top of the first cylinder body 105 to a middle of an outer circumferential surface of the second cylinder body 106.
  • the flow guide groove 101 includes one first side wall 107, two second side walls 108, and a bottom wall 109.
  • the two second side walls 108 are disposed opposite to each other and each second side wall 108 extends from a top of the inner ring gas inlet portion 104 to a middle of an outer circumferential surface of the inner ring gas inlet portion 104 along the axial direction of the inner ring gas inlet portion 104.
  • the first side wall 107 located at the bottom of the two second side walls 108, and the bottom wall 109 is located between the two second side walls 108 of the peripheral surface of the inner ring air intake portion 104. That is, the flow guide groove 101 is in a shape with a top opening and external opening which is enclosed by the first side wall 107, the two second side walls 108, and the bottom wall 109.
  • a guide tangent plane 110 corresponding to the flow guide groove 101 is formed at the top of the first cylinder body 105.
  • a top of the guide tangent plane 110 is located at a middle of the top of the first cylinder body 105, and a bottom of the guide tangent plane 110 is located at a top of the corresponding flow guide groove 101.
  • the guide tangent plane 110 can reduce resistance of the gas to flow towards the gas mixing cavity of the outer ring fire cover 300, which facilitates ejection of the gas.
  • the guide tangent plane 110 may be disposed corresponding to the flow guide groove 101 and may be formed at an upper portion of the corresponding flow guide groove 101. Therefore, the gas may enter the flow guide groove 101 through the guide tangent plane 110 to further reduce the resistance of gas to the flow towards the gas mixing cavity of the outer ring fire cover 300, which facilitates the ejection of the gas.
  • the inner ring gas inlet portion 104 may further include a transition cylinder body 111 located between the outer circumferential surface of the first cylinder body 105 and the top of the second cylinder body 106.
  • a top of the transition cylinder body 111 has a gradually decreasing height from inside to outside. That is, tops of the plurality of flow guide grooves 101 are arranged at intervals on the transition cylinder body 111.
  • the gas mixing cavity of the inner ring fire cover 200 has a gap with the inner ring gas inlet portion 104, and the gap is located above the top of the inner ring gas inlet portion 104.
  • a part of gas discharged from the gas outlet end of the gas passage 102 of the inner ring gas inlet portion 104 may be distributed and ejected into the gas mixing cavity of the inner ring fire cover 200, and another part may flow out through the gap between the gas mixing cavity of the inner ring fire cover 200 and the top of the inner ring gas inlet portion 104.
  • the gas distributor 100 further includes an enclosing plate 112 connected to an outer circumferential surface of the inner ring gas inlet portion 104.
  • the inner ring fire cover 200 may be supported on the enclosing plate 112 through a plurality of first connection posts 600 arranged at intervals to allow for fitting of the inner ring fire cover 200 on the gas distributor 100.
  • the enclosing plate 112 may be integrally formed at the outer circumferential surface of the second cylinder body 106 of the inner ring gas inlet portion 104.
  • the first connection post 600 may be integrally formed at a bottom of the inner ring fire cover 200, and a bottom of the first connection post 600 may be connected to a first connection hole 113 formed in the enclosing plate 112.
  • FIG. 6 is a schematic structural diagram of FIG. 5 from another angle.
  • a bottom of the first cylinder body 105 of the inner ring gas inlet portion 104 protrudes over the enclosing plate 112 to be configured to be connected to the ejection pipe of the burner.
  • the top of the second cylinder body 106 and the top of the first cylinder body 105 may be integrally formed.
  • a hollow may be formed between a bottom of the second cylinder body 106 and the bottom of the first cylinder body 105.
  • An inner side of a circumferential surface of the second cylinder body 106 may be connected to an outer circumferential surface of the first cylinder body 105 through a plurality of connection rib plates 114 that are radially arranged.
  • the bottom wall 109 of the flow guide groove 101 may protrude over the inner side the second cylinder body 106 and extend towards the outer circumferential surface of the first cylinder body 105. Therefore, a space of the flow guide groove 101 can be increased, which improves the ejection of the gas.
  • FIG. 7 is a schematic structural diagram of an outer ring fire cover and an inner ring fire cover in FIG. 1 .
  • the inner ring fire cover 200 is in communication with the outer ring fire cover 300 through a plurality of cavities 500.
  • the plurality of cavities 500 has gas channels 103.
  • the flow guide groove 101 is disposed corresponding to the cavity 500, and the flow guide groove 101 is formed in the gas channel 103 of the corresponding cavity 500.
  • the other part of the gas flowing out from the gas outlet end of the gas passage 102 of the inner ring gas inlet portion 104 may be ejected into the gas mixing cavity of the outer ring fire cover 300 through the gas channels 103 of the plurality of cavities 500.
  • the volume of the gas channel 103 can be increased, and the discharge pressure of the gas channel 103 can be reduce. In this way, the ejection force can be increased to some extent to facilitate the flowing of the gas to the gas mixing cavity of the outer ring fire cover 300. Therefore, the load of the inner ring fire cover 200 can be reduced to balance the gas inflow volume of the inner ring fire cover 200 and a gas inflow volume of the outer ring fire cover 300. Thus, the burning is more sufficient to reduce the CO emissions.
  • the gas distributor 100 further includes a plurality of support plates 115 arranged at intervals at a circumferential surface of the enclosing plate 112.
  • a bottom of each of the plurality of cavities 500 has an opening and is sealed by a corresponding support plate 115, and the cavity 500 and the corresponding support plate 115 are form as the gas channel 103 with two open ends.
  • the support plate 115 It is necessary for the support plate 115 to have a thickness, and the bottom of each cavity 500 is snapped at both sides of the corresponding support plate 115 in a width direction of the corresponding support plate 115, to improve seal performance of a connection between the bottom of the cavity 500 and the corresponding support plate 115.
  • a lug plate 116 is disposed at each of the two sides of an outer end of each support plate 115 in the width direction of the support plate 115, and a bottom of the gas mixing cavity of the outer ring fire cover 300 may be fixed on the lug plate 116 by a second connection post 400 (as illustrated in FIG. 14 ), to realize fitting of the outer ring fire cover 300 on the gas distributor 100.
  • a top of the second connection post 400 may be integrally connected to the bottom of the gas mixing cavity of the outer ring fire cover 300, and the second connection post 400 may be connected in a second connection hole 117 formed at the lug plate 116.
  • Each lug plate 116, each support plate 115, the enclosing plate 112, and the inner ring gas inlet portion 104 that are composed of the gas distributor 100 may be integrally formed to provide the gas distributor 100 with a sufficient strength. Therefore, use reliability is improved.
  • a plurality of first air vents 202 is arranged at intervals at an outer side wall of the inner ring fire cover 200, and secondary air may enter the gas mixing cavity of the inner ring fire cover through the plurality of first air vents 202 for the burning in the inner ring fire cover 200.
  • a plurality of second air vents 301 is arranged at intervals along an inner side wall of the outer ring fire cover 300, and the secondary air may enter the gas mixing cavity of the outer ring fire cover 300 through the plurality of second air vents 301 for the burning in the outer ring fire cover 300, to further improve burning efficiency of the burner.
  • a plurality of fire holes is arranged at intervals along the outer side wall of each of the outer ring fire cover 300 and the inner ring fire cover 200 for formation of a flame.
  • the inner ring fire cover 200 further includes an inner ring cover plate 201 detachably disposed at a top of the inner ring fire cover 200 and located above the gas passage 101 to block gas discharged from a gas outlet end of the gas passage 101. Therefore, the gas flows to the fire holes of the inner ring fire cover 200 and the gas channel 103.
  • the outer ring fire cover 300 further includes an outer ring cover plate 302 detachably disposed at a top of the outer ring fire cover 300, and therefore the fuel gas may flow to the fire holes of the outer ring fire cover 300 to facilitate the use of the burner.
  • the plurality of first air vents 202 may be formed at the top of the inner side wall of the inner ring fire cover 200, i.e., a top of the first air vent 202 is exposed.
  • the top opening of the first air vent 202 may be sealed to allow the first air vent 202 to form as a gas inlet channel penetrating in a radial direction of the inner ring fire cover 200.
  • the second air vent 301 may be formed on the top of the inner side wall of the outer ring fire cover 300, i.e., a top of the second air vent 301 is exposed.
  • the top opening of the second air vent 301 may be sealed to allow the second air vent 301 to form as a gas inlet channel penetrating in the radial direction of the outer ring fire cover 300.
  • the inner ring fire cover 200 is in communication with the outer ring fire cover 300 through the plurality of cavities 500, and the inner ring fire cover 200, the outer ring fire cover 300, and the plurality of cavities 500 may be integrally formed to improve the use reliability.
  • FIG. 8 is another schematic structural diagram of a burner according to an other embodiment of the present invention.
  • FIG. 9 is an exploded view of FIG. 8 .
  • FIG. 10 is a top view of FIG. 8 .
  • FIG. 11 is a cross-sectional view taken along A-A illustrated in FIG. 10 .
  • a burner includes a gas distributor 100, an inner ring fire cover 200, and an outer ring fire cover 300.
  • the gas distributor 100 has a gas passage 102, a gas inlet channel 118, a turbulence channel 119, and a gas channel 103.
  • An end of the gas channel 103 is in communication with a gas outlet end of the gas passage 102 through the gas inlet channel 118.
  • the disturbance channel 119 has a first end and a second end in communication with the first end.
  • the first end of the disturbance channel 119 is in communication with a middle potion of the gas passage 102, and the second end of the disturbance channel 119 is in communication with the gas channel 103.
  • a disturbance angle is formed between a gas outlet end of the disturbance channel 119 and a gas outlet end of the gas inlet channel 118.
  • Each of the inner ring fire cover 200 and the outer ring fire cover 300 is disposed in the gas distributor 100.
  • a gas mixing cavity of the inner ring fire cover 200 is in communication with gas passage 102, and a gas mixing cavity of the outer ring fire cover 300 is in communication with another end of the gas channel 103.
  • the disturbance channel 119 is the above-mentioned gas homogenization portion.
  • the gas distributor 100 of the burner includes the gas passage 102, the gas inlet channel 118, and the gas channel 103.
  • the gas mixing cavity of the inner ring fire cover 200 is in communication with the gas outlet end of the gas passage 102.
  • the end of the gas channel 103 is in communication with the gas outlet end of the gas passage 102 through the gas inlet channel 118.
  • the gas mixing cavity of the outer ring fire cover 300 is in communication with the other end of the gas channel 103. In this way, gas mixed with primary air is transmitted through the gas passage 102.
  • a part of the transmitted gas is first transmitted to the gas mixing cavity of the inner ring fire cover 200 for burning in the inner ring fire cover 200, and another part of the transmitted gas is transmitted to the gas mixing cavity of the outer ring fire cover 300 through the gas channel 103 for burning in the outer ring fire cover 300.
  • the disturbance channel 119 is formed at the gas distributor 100.
  • the first end of the disturbance channel 119 is in communication with the middle of the gas passage 102, and the second end of the disturbance channel 119 is in communication with the gas channel 103.
  • the disturbance angle is formed between the gas outlet direction of the disturbance channel 119 and the gas outlet direction of the gas inlet channel 118.
  • the gas entering the gas passage 102 may partially flow into the disturbance channel 119 before being discharged from the gas outlet end of the gas passage 102. Therefore, gas volume of the gas mixing cavity of can be reduced to decrease a load of the inner ring fire cover 200 and balance the gas inflow volume of the inner ring fire cover 200 and the gas inflow volume of the outer ring fire cover 300.
  • FIG. 12 is a schematic structural diagram of a gas distributor illustrated in FIG. 8 .
  • the gas distributor 100 includes an inner ring gas inlet portion 104, 104 which may generally be in a cylindrical shape.
  • the inner ring gas inlet portion 104 is provided with the gas passage 102 that penetrates on the axial direction of the inner ring gas inlet portion 104, i.e., the burner is disposed vertically when in use.
  • a bottom end of the gas passage 102 is a gas inlet end connected to an ejector pipe of a stove head.
  • the gas mixed with the primary air may be transmitted to the gas passage 102 through the ejector pipe of the stove head and discharged from a top end (i.e., the gas outlet end) of the gas passage 102, i.e., a single-nozzle updraft burner is formed.
  • the gas distributor 100 further includes an enclosing plate 112 disposed at a circumferential surface of the inner ring gas inlet portion 104.
  • the enclosing plate 112 has a through hole penetrating the inner ring gas inlet portion 104.
  • the inner ring gas inlet portion 104 includes a first cylinder body 1041 and a second cylinder body 1042 that are coaxially arranged.
  • a bottom of the first cylinder body 1041 may be integrally formed in the through hole of the enclosing plate 112, and the second cylinder body 1042 may be integrally formed at the bottom of the first cylinder body 1041.
  • first cylinder body 1041 is located above the enclosing plate 112, and the second cylinder body 1042 is formed below the enclosing plate 112.
  • the second cylinder body 1042 has a diameter slightly smaller than a diameter of the first cylinder body 1041.
  • a second through hole 1044 is axially formed at the second cylinder body 1042, and a first through hole 1043 is axially formed at the first cylinder body 1041.
  • the first through hole 1043 is in communication with the second through hole 1044 to form the above-mentioned gas passage 102.
  • the second through hole 1044 may be in a cylindrical shape, and the first through hole 1043 is in a conical shape.
  • An inner diameter of a bottom end of the first through hole 1043 is consistent with an inner diameter of a bottom of the second through hole 1044, and an inner diameter of a top end of the first through hole 1043 is greater than an inner diameter of a bottom of the first through hole 1043.
  • the inner diameter of the second through hole 1044 may be consistent with the inner diameter of the first through hole 1043.
  • the second through hole 1044 is connected to the ejector pipe of the stove head. The gas mixed with the primary air may be transmitted into the gas passage 102 containing the second through hole 1044 and the first through hole 1043 through the ejector pipe of the stove head and discharged from the top end of the first through hole 1043.
  • a plurality of disturbance channels 119 may be arranged at intervals around an axial direction of the inner ring gas inlet portion 104, to improve homogenization of the gas discharged from the disturbance channels 119, and to further improve burning efficiency.
  • the first end of the disturbance channel 119 is in communication with the middle of the gas passage 102, and the second end of the disturbance channel 119 penetrates the circumferential surface of the inner ring gas inlet portion 104. That is, the disturbance channel 119 is inclined upwards.
  • the first end of the disturbance channel 119 may be formed at an inner wall of the second through hole 1044 of the second cylinder body 1042, i.e., the first end of the disturbance channel 119 is located below the enclosing plate 112.
  • the second end of the disturbance channel 119 is may be formed at an outer circumferential surface of the first cylinder body 1041, i.e., the second end of the disturbance channel 119 is located above the enclosing plate 112. That is, the second end of the disturbance channel 119 is higher than the first end of the disturbance channel 119.
  • each disturbance channel 119 may also be located above the enclosing plate 112.
  • a first end of the disturbance channel 119 is formed at an inner wall of a first through hole 1043 of a first cylinder body 1041, and a second end of the disturbance channel 119 is formed at an outer circumferential surface of the first barrel 1041.
  • the disturbance channel 119 may be reasonably formed based on an exemplary situation, which is not limited herein.
  • the disturbance channel 119 in the embodiments of the present disclosure may also have a hollow cavity structure. That is, the disturbance channel 119 divides the inner ring gas inlet portion 104 into an upper portion and a lower portion by, and a gap between the upper portion and the lower portion is the disturbance channel 119.
  • the upper portion of the inner ring gas inlet portion 104 may be connected to the lower portion of the inner ring gas inlet portion 104 by connection posts arranged at intervals.
  • the gas mixing cavity of the inner ring fire cover 200 has a gap with the inner ring gas inlet portion 104, and the gap between the gas mixing cavity of the inner ring fire cover 200 and the inner ring gas inlet portion 104 is located above the inner ring gas inlet portion 104 and limited to form the above-mentioned inlet channel 118.
  • the gas inlet channel 118 has a first end in communication with the gas outlet end of the gas passage 102 and a second end in communication with the gas channel 103.
  • the first end of the gas inlet channel 118 is higher than the second end of the gas inlet channel 118
  • the second end of the gas inlet channel 118 is higher than the second end of the disturbance channel 119. That is, the gas inlet channel 118 is inclined downwards and cooperates with the disturbance channel 119 inclined upwards.
  • the swirling flow region is formed to increase the disturbance. Therefore, the gas can be easily mixed with the primary air.
  • the burning is more sufficient to reduce the CO emissions. As a result, the practicability is good.
  • An angle between a central axis of the gas inlet channel 118 and a center line of the disturbance channel 119 preferably ranges from 30° to 60°, i.e., the disturbance angle between the gas outlet direction of the disturbance channel 119 and the gas outlet direction of the gas inlet channel 118 ranges from 30° to 60°, which can have a good disturbance effect.
  • the angle between the two may also be adjusted based on an actual situation, which is not limited in the embodiments of the present disclosure.
  • FIG. 13 is a schematic diagram of fitting of an inner ring fire cover and an outer ring fire cover in FIG. 8
  • FIG. 14 is a schematic structural diagram of FIG. 13 from another perspective.
  • the inner ring fire cover 200 may be connected above the enclosing plate 112 through a plurality of first connection posts 600 to realize fitting of the inner ring fire cover 200 on the gas distributor 100.
  • the first connection post 600 may be integrally formed at a bottom of the inner ring fire cover 200, and a bottom of the first connection post 600 may be connected to the first connection hole 113 formed on the enclosing plate 112.
  • an outer side wall of the inner ring fire cover 200 may extend to the enclosing plate 112, and therefore the inner ring fire cover 200, the inner ring gas inlet portion 104, and the enclosing plate 112 enclose a disturbance cavity with a top opening.
  • the second end of each disturbance channel 119 is in communication with the disturbance cavity, and gas mixed with the primary air discharged from the second end of each disturbance channel 119 flows to the disturbance cavity.
  • gas mixed with the primary air discharged from the outlet end of the gas passage 102 flows to the disturbance cavity through the open top of the disturbance cavity.
  • the two streams of gas converge in the disturbance cavity to form the swirling flow region that increases the disturbance. In this way, the gas can be easily mixed with the primary air. Therefore, the burning is more sufficient to reduce the CO emissions. Thus, the practicability is good.
  • the inner ring fire cover 200 is in communication with the outer ring fire cover 300 through the plurality of cavities 500, and the gas channel 103 is formed in each of the plurality of cavities 500.
  • a gas vent is formed at an end of each gas channel 103 connected to the inner ring fire cover 200, and therefore each gas channel 103 is in communication with the disturbance cavity.
  • the two streams of gas are distributed to each gas channel 103 through the gas vent after being disturbed and converging in the disturbance cavity, and then are transmitted into the gas mixing cavity of the outer ring fire cover 300 for the burning in the outer ring fire cover 300.
  • the gas distributor 100 further includes a plurality of support plates 115, which may be arranged at intervals on an outer circumferential surface of the inner ring gas inlet portion 104 by means of the enclosing plate 112.
  • a bottom of each cavity 500 has an opening and is sealed by a corresponding support plate.
  • the cavity 500 and the corresponding support plate 115 form the gas channel 103 with two open ends.
  • An opening facing towards the inner ring fire cover 200 is the above-mentioned gas vent, and the other opening facing towards the outer ring fire cover 300 is the above-mentioned gas outlet.
  • the two streams of gas are distributed to each gas channel 103 through the gas vent of each gas channel 103 after being disturbed and converging in the disturbance cavity, and then are transmitted into the gas mixing cavity of the outer ring fire cover 300 through the gas outlet of each gas channel 103 for the burning of the outer ring fire cover 300.
  • the support plate 115 It is necessary for the support plate 115 to have a thickness, and the bottom of each cavity 500 is snapped at both sides of the corresponding support plate 115 in a width direction of the support plate 115, to improve seal performance of a connection between the bottom of the cavity 500 and the corresponding support plate 115.
  • a lug plate 116 is disposed at each of the two sides of an outer end of each support plate 115 in the width direction of the support plate 115, and a bottom of the gas mixing cavity of the outer ring fire cover 300 may be fixed on the lug plate 116 through a second connection post 400, to realize fitting of the outer ring fire cover 300 on the gas distributor 100.
  • a top of the second connection post 400 may be integrally connected to the bottom of the gas mixing cavity of the outer ring fire cover 300, and the second connection post 400 may pass through the second connection hole 117 formed at the lug plate 116.
  • Each lug plate 116, each support plate 115, the enclosing plate 112, and the inner ring gas inlet portion 104 that are composed of the gas distributor 100 may be integrally formed to provide the gas distributor 100 with sufficient strength. Therefore, use reliability is improved.
  • the present invention further provides a gas stove.
  • the gas stove mainly includes a panel and the above-mentioned burner, a cookware bracket for placing cookware, other necessary accessories, etc. Since the embodiments herein do not improve accessories such as the panel and the bracket of the gas stove, the exemplary structures thereof can refer to the existing disclosure, and other undetailed structures of the gas stove can also refer to the relevant disclosure in the related art, an exemplary content of which is not described herein.

Landscapes

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

Claims (11)

  1. Brûleur, comportant :
    un distributeur de gaz (100) ayant un canal de gaz (103), un passage de gaz (102) et une partie d'homogénéisation de gaz (101) ;
    un couvercle pare-feu annulaire intérieur (200) disposé au niveau du distributeur de gaz (100) ; et
    un couvercle pare-feu annulaire extérieur (300) disposé au niveau du distributeur de gaz (100), une cavité de mélange de gaz du couvercle pare-feu annulaire intérieur (200) étant en communication avec une extrémité de sortie de gaz du passage de gaz (102), une cavité de mélange de gaz du couvercle pare-feu annulaire extérieur (300) étant en communication avec la cavité de mélange de gaz du couvercle pare-feu annulaire intérieur (200) par le canal de gaz (103), et le passage de gaz (102) étant en communication avec le canal de gaz (103) par la partie d'homogénéisation de gaz (101), qui équilibre la quantité de gaz de la cavité de mélange de gaz du couvercle pare-feu annulaire extérieur (300) et la quantité de gaz de la cavité de mélange de gaz du couvercle pare-feu annulaire intérieur (200),
    dans lequel la partie d'homogénéisation de gaz (101) comporte une rainure de guidage d'écoulement (101) située au niveau du canal de gaz (103) et le passage de gaz (102) étant en communication avec le canal de gaz (103) par la rainure de guidage d'écoulement (101),
    dans lequel le distributeur de gaz (100) comporte une partie formant entrée de gaz annulaire intérieure (104) dotée du passage de gaz (102) dans une direction axiale de la partie formant entrée de gaz annulaire intérieure (104) et dotée d'une pluralité desdites rainures de guidage d'écoulement (101) qui sont agencées selon des intervalles le long d'une surface circonférentielle extérieure de la partie formant entrée de gaz annulaire intérieure (104),
    dans lequel la partie formant entrée de gaz annulaire intérieure (104) comporte :
    un premier corps de cylindre (105) ayant le passage de gaz (102) qui pénètre dans une direction axiale du premier corps de cylindre (105) ; et
    un deuxième corps de cylindre (106) relié à une surface circonférentielle extérieure du premier corps de cylindre (105), une hauteur d'une partie supérieure du deuxième corps de cylindre (106) étant inférieure par rapport à une hauteur d'une partie supérieure du premier corps de cylindre (105), et chaque rainure de la pluralité de rainures de guidage d'écoulement (101) s'étendant depuis la partie supérieure du premier corps de cylindre (105) jusqu'à une partie médiane d'une surface circonférentielle extérieure du deuxième corps de cylindre (106),
    dans lequel la partie supérieure du premier corps de cylindre (105) a un plan tangent de guidage (110) correspondant à la rainure de guidage d'écoulement (101), une partie supérieure du plan tangent de guidage (110) étant située au niveau d'une partie médiane de la partie supérieure du premier corps de cylindre (105), et une partie inférieure du plan tangent de guidage (110) étant située au niveau d'une partie supérieure de la rainure de guidage d'écoulement correspondante (101).
  2. Brûleur selon la revendication 1, dans lequel la partie formant entrée de gaz annulaire intérieure (104) comporte par ailleurs un corps de cylindre de transition (111) situé entre la surface circonférentielle extérieure du premier corps de cylindre (105) et la partie supérieure du deuxième corps de cylindre (106), une partie supérieure du corps de cylindre de transition (111) ayant une hauteur allant graduellement en diminuant de l'intérieur vers l'extérieur.
  3. Brûleur selon l'une quelconque des revendications précédentes, dans lequel :
    la cavité de mélange de gaz du couvercle pare-feu annulaire intérieur (200) présente un espace par rapport à la partie formant entrée de gaz annulaire intérieure (104), l'espace étant situé au-dessus de la partie supérieure de la partie formant entrée de gaz annulaire intérieure (104) ; et
    le couvercle pare-feu annulaire intérieur (200) est en communication avec le couvercle pare-feu annulaire extérieur (300) par une pluralité de cavités (500), chaque cavité de la pluralité de cavités (500) ayant le canal de gaz (103), les rainures de la pluralité de rainures de guidage d'écoulement (101) étant disposées de manière correspondante par rapport aux cavités de la pluralité de cavités (500), et la rainure de guidage d'écoulement (101) étant disposée dans le canal de gaz (103) de la cavité correspondante (500),
    éventuellement, le distributeur de gaz (100) comporte par ailleurs une pluralité de plaques de support (115) qui sont agencées selon des intervalles sur une surface circonférentielle extérieure de la partie formant entrée de gaz annulaire intérieure (104), une partie inférieure de chacune de la pluralité de cavités (500) ayant une ouverture et étant scellée par une plaque de support correspondante (115), et la cavité (500) et la plaque de support correspondante (115) formant le canal de gaz (103) doté de deux extrémités ouvertes.
  4. Brûleur selon la revendication 1, dans lequel un rapport entre un diamètre intérieur d'une région annulaire formée par la pluralité de rainures de guidage d'écoulement (101) et un diamètre du passage de gaz (102) est supérieur ou égal à 1,5:1.
  5. Brûleur, comportant :
    un distributeur de gaz (100) ayant un canal de gaz (103), un passage de gaz (102) et une partie d'homogénéisation de gaz (119) ;
    un couvercle pare-feu annulaire intérieur (200) disposé au niveau du distributeur de gaz (100) ; et
    un couvercle pare-feu annulaire extérieur (300) disposé au niveau du distributeur de gaz (100), une cavité de mélange de gaz du couvercle pare-feu annulaire intérieur (200) étant en communication avec une extrémité de sortie de gaz du passage de gaz (102), une cavité de mélange de gaz du couvercle pare-feu annulaire extérieur (300) étant en communication avec la cavité de mélange de gaz du couvercle pare-feu annulaire intérieur (200) par le canal de gaz (103), et le passage de gaz (102) étant en communication avec le canal de gaz (103) par la partie d'homogénéisation de gaz (119), qui équilibre la quantité de gaz de la cavité de mélange de gaz du couvercle pare-feu annulaire extérieur (300) et la quantité de gaz de la cavité de mélange de gaz du couvercle pare-feu annulaire intérieur (200),
    dans lequel :
    le distributeur de gaz (100) a par ailleurs un canal d'entrée de gaz (118) et un canal de perturbation (119), une extrémité d'entrée de gaz du canal de gaz (103) étant en communication avec l'extrémité de sortie de gaz du passage de gaz (102) par le canal d'entrée de gaz (118), une première extrémité du canal de perturbation (119) étant en communication avec le passage de gaz (102) et étant située au niveau d'une partie médiane de celui-ci, une deuxième extrémité du canal de perturbation (119) étant en communication avec le canal de gaz (103), un angle de perturbation étant formé entre une direction de sortie de gaz du canal de perturbation (119) et une direction de sortie de gaz du canal d'entrée de gaz (118), et le canal de perturbation (119) est configuré comme étant la partie d'homogénéisation de gaz (119).
  6. Brûleur selon la revendication 5, dans lequel le distributeur de gaz (100) comporte une partie formant entrée de gaz annulaire intérieure (104) dotée du passage de gaz (102) qui pénètre dans une direction axiale de la partie formant entrée de gaz annulaire intérieure (104).
  7. Brûleur selon la revendication 6, dans lequel les canaux d'une pluralité de canaux de perturbation (119) sont agencés selon des intervalles autour de la direction axiale de la partie formant entrée de gaz annulaire intérieure (104).
  8. Brûleur selon la revendication 7, dans lequel :
    une deuxième extrémité du canal de perturbation (119) pénètre dans une surface circonférentielle de la partie formant entrée de gaz annulaire intérieure (104).
  9. Brûleur selon la revendication 8, dans lequel la deuxième extrémité du canal de perturbation (119) est plus haute par rapport à la première extrémité du canal de perturbation (119).
  10. Brûleur selon la revendication 9, dans lequel le canal d'entrée de gaz (118) a une première extrémité en communication avec l'extrémité de sortie de gaz du passage de gaz (102) et une deuxième extrémité en communication avec le canal de gaz (103), la première extrémité du canal d'entrée de gaz (118) étant plus haute par rapport à la deuxième extrémité du canal d'entrée de gaz (118), et la deuxième extrémité du canal d'entrée de gaz (118) étant plus haute par rapport à la deuxième extrémité du canal de perturbation (119), dans lequel la cavité de mélange de gaz du couvercle pare-feu annulaire intérieur (200) a un espace par rapport à la partie formant entrée de gaz annulaire intérieure (104), l'espace entre la cavité de mélange de gaz du couvercle pare-feu annulaire intérieure (200) et la partie formant entrée de gaz annulaire intérieure (104) étant situé au-dessus de la partie formant entrée de gaz annulaire intérieure (104) et limité comme étant le canal d'entrée de gaz (118), dans lequel :
    le distributeur de gaz (100) comporte par ailleurs une plaque enveloppante (112) disposée au niveau de la surface circonférentielle de la partie formant entrée de gaz annulaire intérieure (104) ; et
    une paroi latérale extérieure du couvercle pare-feu annulaire intérieur (200) s'étend jusqu'à la plaque enveloppante (112), le couvercle pare-feu annulaire intérieur (200), la partie formant entrée de gaz annulaire intérieure (104), la plaque enveloppante (112) enferment une cavité de perturbation ayant une partie supérieure ouverte, et la deuxième extrémité du canal de perturbation (119) étant en communication avec la cavité de perturbation par la cavité de perturbation, dans lequel le couvercle pare-feu annulaire intérieur (200) est en communication avec le couvercle pare-feu annulaire extérieur (300) par une pluralité de cavités (500), la pluralité de cavités (500) ayant des canaux de gaz (103) en communication avec la pluralité de canaux de perturbation (119) par la cavité de perturbation, dans lequel le distributeur de gaz (100) comporte par ailleurs une pluralité de plaques de support (115) agencées selon des intervalles au niveau d'une surface circonférentielle extérieure de la partie formant entrée de gaz annulaire intérieure (104), une partie inférieure de chacune de la pluralité de cavités (500) ayant une ouverture et étant scellée par une plaque de support correspondante (115), et la cavité (500) et la plaque de support correspondante (115) formant le canal de gaz (103) doté de deux extrémités ouvertes.
  11. Cuisinière à gaz, comportant :
    le brûleur selon l'une quelconque des revendications 1 à 10.
EP22923073.5A 2022-01-26 2022-03-28 Brûleur pour cuisinière à gaz et cuisinière à gaz Active EP4317788B1 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
CN202210096629.5A CN114321917B (zh) 2022-01-26 2022-01-26 燃烧器以及燃气灶
CN202220427694.7U CN217383024U (zh) 2022-02-25 2022-02-25 燃烧器以及燃气灶
CN202210181787.0A CN114440266B (zh) 2022-02-25 2022-02-25 燃烧器以及燃气灶
PCT/CN2022/083295 WO2023142255A1 (fr) 2022-01-26 2022-03-28 Brûleur pour cuisinière à gaz et cuisinière à gaz

Publications (3)

Publication Number Publication Date
EP4317788A1 EP4317788A1 (fr) 2024-02-07
EP4317788A4 EP4317788A4 (fr) 2025-03-05
EP4317788B1 true EP4317788B1 (fr) 2026-01-14

Family

ID=87470186

Family Applications (1)

Application Number Title Priority Date Filing Date
EP22923073.5A Active EP4317788B1 (fr) 2022-01-26 2022-03-28 Brûleur pour cuisinière à gaz et cuisinière à gaz

Country Status (2)

Country Link
EP (1) EP4317788B1 (fr)
WO (1) WO2023142255A1 (fr)

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2916395Y (zh) * 2006-04-30 2007-06-27 伊莱克斯(杭州)家用电器有限公司 内焰燃烧器及采用该燃烧器的燃气灶具
CN202494111U (zh) * 2012-02-16 2012-10-17 梁锦洪 燃气灶用的燃烧器
CN104713084B (zh) * 2015-03-12 2017-10-27 广东美的厨房电器制造有限公司 燃烧器及燃气用具
CN104713085B (zh) * 2015-03-13 2017-08-04 广东美的厨房电器制造有限公司 燃烧器及燃气用具
CN110440248B (zh) * 2018-05-04 2024-12-20 宁波方太厨具有限公司 一种燃气燃烧器
CN208764924U (zh) * 2018-05-09 2019-04-19 宁波风腾燃具有限公司 一种新型的上进风式燃烧器
CN110762525A (zh) * 2018-07-28 2020-02-07 宁波方太厨具有限公司 一种燃气燃烧器及应用有该燃烧器的燃气灶
CN212537835U (zh) * 2020-05-25 2021-02-12 浙江蓝炬星电器有限公司 一种燃气充分燃烧的燃烧器炉头
WO2022007463A1 (fr) * 2020-07-06 2022-01-13 佛山市顺德区美的洗涤电器制造有限公司 Plaque de distribution de gaz, brûleur et poêle à gaz
CN113864825B (zh) * 2021-09-30 2025-10-17 佛山市顺德区美的洗涤电器制造有限公司 一种引射器、上进风燃烧器以及燃气灶

Also Published As

Publication number Publication date
WO2023142255A1 (fr) 2023-08-03
EP4317788A1 (fr) 2024-02-07
EP4317788A4 (fr) 2025-03-05

Similar Documents

Publication Publication Date Title
WO2019223402A1 (fr) Brûleur de cuiseur à entrée d'air supérieure
EP1781989B1 (fr) Brûleur à gaz à multiples couronnes de flammes
US11543122B2 (en) Gas burner and domestic cooking appliance
CN109000234B (zh) 燃烧器及燃气灶具
CN214406062U (zh) 分火器组件、燃烧器和灶具
EP4317788B1 (fr) Brûleur pour cuisinière à gaz et cuisinière à gaz
CN111043600B (zh) 一种双侧进气上进风式家用燃烧器炉头
CN111256127B (zh) 一种用于燃气灶的燃烧器
CN111878812A (zh) 火盖、燃烧器和灶具
CN111853788B (zh) 一种平板式燃烧器及平板式燃气灶
CN212339241U (zh) 一种一体式火盖及其燃气灶燃烧器
CN219588943U (zh) 分气盘组件、燃烧器及燃气灶
CN217383024U (zh) 燃烧器以及燃气灶
CN216114025U (zh) 火盖和具有其的炉头、燃烧器
RU2829045C2 (ru) Газовое устройство газовой плиты и газовая плита
CN114321917B (zh) 燃烧器以及燃气灶
CN212430862U (zh) 火盖
CN217004461U (zh) 一种大气红外混合式灶具燃烧器
CN114440266B (zh) 燃烧器以及燃气灶
CN114935145A (zh) 带有引射混合系统的燃烧器及燃气灶
CN120101132B (zh) 一种预混炉头
CN223178877U (zh) 一种灶具燃烧组件
CN223004969U (zh) 炉头及燃烧器
CN217685006U (zh) 分气组件、燃烧器及燃气灶
CN219346450U (zh) 上进风多腔旋流燃烧系统

Legal Events

Date Code Title Description
STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE INTERNATIONAL PUBLICATION HAS BEEN MADE

PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: REQUEST FOR EXAMINATION WAS MADE

17P Request for examination filed

Effective date: 20231102

AK Designated contracting states

Kind code of ref document: A1

Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

A4 Supplementary search report drawn up and despatched

Effective date: 20250204

RIC1 Information provided on ipc code assigned before grant

Ipc: F23D 14/04 20060101ALI20250129BHEP

Ipc: F23D 14/08 20060101ALI20250129BHEP

Ipc: F24C 3/00 20060101ALI20250129BHEP

Ipc: F24C 3/08 20060101AFI20250129BHEP

DAV Request for validation of the european patent (deleted)
DAX Request for extension of the european patent (deleted)
GRAP Despatch of communication of intention to grant a patent

Free format text: ORIGINAL CODE: EPIDOSNIGR1

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: GRANT OF PATENT IS INTENDED

INTG Intention to grant announced

Effective date: 20251009

GRAS Grant fee paid

Free format text: ORIGINAL CODE: EPIDOSNIGR3

GRAA (expected) grant

Free format text: ORIGINAL CODE: 0009210

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE PATENT HAS BEEN GRANTED

AK Designated contracting states

Kind code of ref document: B1

Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

REG Reference to a national code

Ref country code: CH

Ref legal event code: F10

Free format text: ST27 STATUS EVENT CODE: U-0-0-F10-F00 (AS PROVIDED BY THE NATIONAL OFFICE)

Effective date: 20260114

Ref country code: GB

Ref legal event code: FG4D

REG Reference to a national code

Ref country code: DE

Ref legal event code: R096

Ref document number: 602022028670

Country of ref document: DE

REG Reference to a national code

Ref country code: IE

Ref legal event code: FG4D

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: GB

Payment date: 20260325

Year of fee payment: 5

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: DE

Payment date: 20260324

Year of fee payment: 5

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: AT

Payment date: 20260301

Year of fee payment: 5

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: FR

Payment date: 20260330

Year of fee payment: 5