WO2018010393A1 - 燃烧室组件和燃气热水器 - Google Patents

燃烧室组件和燃气热水器 Download PDF

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Publication number
WO2018010393A1
WO2018010393A1 PCT/CN2016/113348 CN2016113348W WO2018010393A1 WO 2018010393 A1 WO2018010393 A1 WO 2018010393A1 CN 2016113348 W CN2016113348 W CN 2016113348W WO 2018010393 A1 WO2018010393 A1 WO 2018010393A1
Authority
WO
WIPO (PCT)
Prior art keywords
limiting plate
plate
substrate
burner
combustion chamber
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.)
Ceased
Application number
PCT/CN2016/113348
Other languages
English (en)
French (fr)
Inventor
代先锋
梁国荣
薛承志
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 Kitchen and Bath Appliances Manufacturing Co Ltd
Original Assignee
Wuhu Midea Kitchen and Bath 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
Application filed by Wuhu Midea Kitchen and Bath Appliances Manufacturing Co Ltd filed Critical Wuhu Midea Kitchen and Bath Appliances Manufacturing Co Ltd
Priority to EP16908715.2A priority Critical patent/EP3483521B1/en
Priority to JP2019523152A priority patent/JP2019522174A/ja
Publication of WO2018010393A1 publication Critical patent/WO2018010393A1/zh
Priority to US16/245,292 priority patent/US11105506B2/en
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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
    • F23D14/08—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 axial 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
    • F23D14/72—Safety devices, e.g. operative in case of failure of gas supply
    • F23D14/78—Cooling burner parts
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23C—METHODS OR APPARATUS FOR COMBUSTION USING FLUID FUEL OR SOLID FUEL SUSPENDED IN  A CARRIER GAS OR AIR 
    • F23C5/00—Disposition of burners with respect to the combustion chamber or to one another; Mounting of burners in combustion apparatus
    • F23C5/02—Structural details of mounting
    • 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
    • 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
    • F23D14/045—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 a plurality of burner bars assembled together, e.g. in a grid-like arrangement
    • 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
    • F23D14/08—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 axial outlets at the burner head
    • F23D14/085—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 axial outlets at the burner head with injector axis inclined to the burner head axis
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23D—BURNERS
    • F23D23/00—Assemblies of two or more burners
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23D—BURNERS
    • F23D99/00—Subject matter not provided for in other groups of this subclass
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
    • F24H9/00—Details
    • F24H9/0005—Details for water heaters
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
    • F24H9/00—Details
    • F24H9/18—Arrangement or mounting of grates or heating means
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
    • F24H9/00—Details
    • F24H9/18—Arrangement or mounting of grates or heating means
    • F24H9/1809—Arrangement or mounting of grates or heating means for water heaters
    • F24H9/1832—Arrangement or mounting of combustion heating means, e.g. grates or burners
    • F24H9/1836—Arrangement or mounting of combustion heating means, e.g. grates or burners using fluid fuel

Definitions

  • the invention relates to the field of water heaters, in particular to a combustion chamber assembly and a gas water heater.
  • the fixing bracket generally comprises a substrate extending up and down and a limiting plate connected to the substrate and extending toward the burner, the limiting plate abutting the periphery of the burner, and the limiting plates on the two fixing brackets cooperate to clamp the burner, thereby The burner acts as a limit. Since the limiting plate abuts against the periphery of the burner, part of the gas is easily accumulated under the limiting plate, so that the gas flow is poor and the temperature is high, and the higher temperature is easily transmitted to the combustion chamber, so that the temperature of the combustion chamber is over. high.
  • the main object of the present invention is to propose a combustor assembly aimed at reducing the temperature of the front and rear sides of the combustion chamber.
  • a combustor assembly provided by the present invention includes a burner and a combustion chamber for accommodating the burner with an opening facing upward, and the combustion chamber is further provided with a front bracket and a rear bracket, and the front bracket Corresponding to the front and rear sides of the burner, the front bracket includes a first substrate extending up and down, and a first limiting plate connected to the upper end of the first substrate and extending rearward.
  • the rear bracket includes a second substrate extending up and down, and a second limiting plate connected to the upper end of the second substrate and extending forward; the first limiting plate is provided with a first cooling hole, and/or The second limiting plate is provided with a second cooling hole.
  • the first limiting plate and the second limiting plate are both lower than the ignition setting of the burner.
  • the first cooling hole is located at a position where the first substrate is adjacent to the first limiting plate; and the second cooling hole is located adjacent to the second substrate and the second limiting plate.
  • the first cooling holes are strip-shaped holes extending in the left-right direction; and the second cooling holes are strip-shaped holes extending in the left-right direction.
  • the first cooling holes are plural, and the plurality of first cooling holes are spaced apart in the left-right direction; the second cooling holes are plural, and the plurality of the second cooling holes are in the left-right direction Interval distribution.
  • the front bracket further includes a support plate for supporting the burner, a lower end of the first substrate is connected to the support plate, and a bottom surface of the support plate is disposed on a bottom wall of the combustion chamber. a leg, and the support plate is provided with a first air inlet hole.
  • the burner comprises a plurality of spaced-apart heat exchange plates, and the first air inlet holes are disposed corresponding to gaps of two adjacent heat exchange plates.
  • the first substrate is stepped, and includes a first segment and a second segment disposed above and below, the first segment protruding outwardly from the second segment to be disposed in the first segment and the first segment
  • a step surface is formed between the two segments; the first limiting plate is connected to the first segment, the supporting plate is connected to the second segment, and the second air inlet hole is disposed on the step surface.
  • the combustion chamber assembly further includes an air plate disposed outside the second segment, the air plate extending downwardly below the support plate, the air plate extending downward beyond the portion of the support plate It has an air inlet.
  • the rear bracket further includes a third limiting plate abutting the rear side of the burner, the lower end of the second substrate is connected to the third limiting plate, and the third limiting plate is located at the Above the support plate, the third limiting plate is provided with a third cooling hole.
  • the invention also provides a gas water heater comprising a combustion chamber assembly, the combustion chamber assembly comprising a burner and a combustion chamber for accommodating the burner and having an opening upward, wherein the combustion chamber is further provided a front bracket and a rear bracket, the front bracket and the rear bracket correspondingly clamping a front and rear side of the burner;
  • the front bracket includes a first substrate extending up and down, and is connected to an upper end of the first substrate and facing a rear extending first limiting plate
  • the rear bracket includes a second substrate extending upwardly and upwardly, and a second limiting plate connected to the upper end of the second substrate and extending forwardly; the first limiting plate
  • a first cooling hole is provided, and/or a second cooling hole is disposed on the second limiting plate.
  • the first cooling hole is disposed in the first limiting plate; and the second cooling hole is disposed in the second limiting plate, when the gas moves below the first limiting plate and the second limiting plate
  • the gas can be escaping along the first cooling hole and the second cooling hole, thereby enhancing the fluidity of the gas, avoiding gas accumulation, and the flowing gas can take away part of the heat of the front and rear sides, which is favorable for the combustion chamber casing. Cool down.
  • FIG. 1 is a schematic structural view of an embodiment of a combustor assembly of the present invention
  • Figure 2 is a partial enlarged view of a portion A in Figure 1;
  • FIG. 3 is a schematic structural view of the front bracket, the rear bracket, and the burner of FIG. 1 after assembly;
  • Figure 4 is a schematic view showing the structure of the front bracket, the rear bracket and the burner of Figure 3 from another angle;
  • Figure 5 is a schematic structural view of the front bracket of Figure 1;
  • Figure 6 is a schematic view showing the structure of the front bracket of Figure 5 from another angle;
  • FIG. 7 is a schematic structural view of the rear bracket of FIG. 1.
  • FIG. 7 is a schematic structural view of the rear bracket of FIG. 1.
  • the directional indication is only used to explain in a certain posture (as shown in the drawing)
  • the relative positional relationship between the components, the motion situation, and the like if the specific posture changes, the directional indication also changes accordingly.
  • first”, “second”, etc. in the embodiments of the present invention, the description of the "first”, “second”, etc. is used for the purpose of description only, and is not to be construed as an Its relative importance or implicit indication of the number of technical features indicated.
  • features defining “first” or “second” may include at least one of the features, either explicitly or implicitly.
  • the technical solutions between the various embodiments may be combined with each other, but must be based on the realization of those skilled in the art, and when the combination of the technical solutions is contradictory or impossible to implement, it should be considered that the combination of the technical solutions does not exist. It is also within the scope of protection required by the present invention.
  • the present invention provides a gas water heater that includes a combustor assembly.
  • the combustor assembly includes a combustor 1 and a combustion chamber 2 for accommodating the combustor 1 with the opening facing upward.
  • the combustion chamber 2 includes a bottom plate 21, three shrouds 22 enclosing the periphery of the bottom plate, and a cover plate 23 that encloses a cavity with an opening facing upward.
  • a front bracket 3 (shown in FIG. 5) and a rear bracket 4 (shown in FIG. 7) are further disposed in the combustion chamber 2.
  • the front bracket 3 and the rear bracket 4 correspondingly sandwich the front and rear sides of the burner 1.
  • the front bracket 3 includes a first substrate 31 extending up and down, and a first limiting plate 32 connected to the upper end of the first substrate 31 and extending rearward.
  • the rear bracket 4 includes a second substrate 41 extending up and down. And a second limiting plate 42 connected to the upper end of the second substrate 41 and extending forward.
  • a first cooling hole 321 is disposed on the first limiting plate 32; and/or a second cooling hole 421 is disposed on the second limiting plate 42.
  • the burner 1 generally includes a plurality of heat exchangers arranged side by side and spaced apart in the left-right direction.
  • a plurality of grooves are provided on the free end faces of the first limiting plate 32 and the second limiting plate 42 to correspondingly engage each other. The heat exchanger, thereby limiting the sloshing of the heat exchanger to the left and right and front and back directions.
  • the first limiting plate 32 is connected to the upper end of the first substrate 31, and may be connected to the top end of the first substrate 31 or may be connected to the top end.
  • the second limiting plate 42 is connected to the upper end of the second substrate 41, and may be connected to the top end of the second substrate 41 or may be connected to the top end.
  • the first cooling hole 321 is disposed in the first limiting plate 32, and the second cooling hole 421 is disposed on the second limiting plate 42, when the gas moves to the first limiting plate 32 and the second When the limiting plate 42 is below, the first cooling hole 321 and the second cooling hole 421 can be escaping, thereby enhancing the fluidity of the gas, avoiding gas accumulation, and the flowing gas can take away part of the heat of the front and rear sides. It is beneficial to cool the outer casing of the combustion chamber 2.
  • the first limiting plate 32 and the second limiting plate 42 are both lower than the ignition setting of the burner.
  • the gas discharged through the first cooling hole 321 and the second cooling hole 421 is an unburned gas, and the temperature of the gas itself is lower than the temperature of the flue gas after combustion, so that the combustion chamber 2 can be absorbed more.
  • the heat on the front and back sides will take away the heat to achieve a better cooling effect.
  • the gas flow performance at the place is improved to achieve a better cooling effect, in an implementation.
  • the first cooling hole 321 is located adjacent to the first substrate 31 and the first limiting plate 32; the second cooling hole 421 is located at the second substrate 41 and the second limiting position The plates 42 are adjacent. In this way, the gas located below the abutment can be quickly discharged from the cooling holes, thereby avoiding the accumulation of gas in the adjacent area.
  • the first cooling holes 321 are strip-shaped holes extending in the left-right direction
  • the second cooling holes 421 are strip-shaped holes extending in the left-right direction.
  • the first cooling hole 321 and the second cooling hole 421 may be a rectangular hole or an elliptical hole or the like.
  • the first cooling hole 321 and the second cooling hole 421 may also be in the shape of a circular hole or a square hole or other irregular holes.
  • the strip-shaped holes extend along the adjacent portions of the two plates, so that the gas at the adjacent portion can be quickly discharged to achieve a better cooling effect.
  • the plurality of first cooling holes 321 are plural, and the plurality of first cooling holes 321 are spaced apart in the left-right direction; the second cooling holes 421 are also plural, and the second cooling holes 421 are spaced apart in the left-right direction. distributed.
  • the first cooling hole 321 and the second cooling hole 421 are preferably evenly distributed, which is more favorable for uniform exhaust, thereby achieving uniform temperature lowering.
  • the first cooling holes 321 are all located on the first limiting plate 32 and vertically penetrate the first limiting plate 32; the second cooling holes 421 are all located on the second limiting plate 42. And vertically through the second limiting plate 42.
  • the combustion chamber 2 may be from the lateral intake or may be intake from the bottom.
  • the combustion chamber 2 is disposed on the side wall of the combustion chamber 2 from the lateral intake, that is, the lance assembly 6 for jetting into the combustion chamber 2, and is provided on the front bracket 3
  • the air inlet of the tracheal assembly 6 communicates so that gas can flow from the air inlet to the heat exchanger and burn near the ignition.
  • the first substrate 31 of the front bracket 3 is provided with a plurality of rows of third air inlet holes 3121 spaced apart from each other in the up and down direction, and each row includes a plurality of left and right spaced intervals.
  • the third intake port 3121 communicates with the lance assembly 6 (shown in FIG. 2) as a main intake port.
  • the front bracket 3 further includes a support plate 33 for supporting the burner 1, a lower end of the first substrate 31 is connected to the support plate 33, and a bottom surface of the support plate 33 is provided at the bottom A leg 34 on the bottom wall of the combustion chamber 2, and the support plate 33 is provided with a first air inlet hole 331.
  • the first intake hole 331 communicates with the lance assembly 6 as an auxiliary intake hole.
  • the aperture of the first intake aperture 331 is smaller than the aperture of the third intake aperture 3121.
  • the bottom air intake is realized by providing the first air inlet hole 331, so that more intake passages can be added, and the combustion of the burner 1 is further supplemented with air to ensure gas. The combustion is more complete, which helps to reduce the content of nitrogen oxides in the flue gas.
  • the first air inlet hole 331 is disposed corresponding to a gap between two adjacent heat exchange plates. That is, by providing the first intake holes 331 between each gap, it is possible to replenish the gas combustion of each heat exchange plate so that the gas on each heat exchange plate can be fully burned.
  • a plurality of the first intake holes 331 are evenly distributed.
  • the support plate 33 is folded down to form a flange, and the flange is the leg 34.
  • the left and right sides and the rear side of the support plate 33 are folded to form the legs 34 such that there is a gap between the support plate 33 and the bottom wall of the combustion chamber 2, thereby The passage into the first intake hole 331 is provided downward.
  • the leg 34 may also be a support post formed by the bottom surface of the support plate 33.
  • the first substrate 31 is stepped, and includes a first segment 311 and a second segment 312 disposed at an upper and lower sides.
  • the first segment 311 protrudes outwardly from the second segment 312 to be disposed therein.
  • a stepped surface 313 is formed between the first section 311 and the second section 312; the first limiting plate 32 is coupled to the first segment 311, and the support plate 33 is coupled to the second segment
  • the stepped surface 313 is provided with a second intake hole 3131, and the second intake hole 3131 is in communication with the lance assembly 6.
  • the second intake holes 3131 are plural, and the plurality of the second intake holes 3131 are spaced apart in the left-right direction and uniformly distributed.
  • the aperture of the second air inlet hole 3131 is smaller than the aperture of the third air inlet hole 3121, and the second air inlet hole 3131 serves as an auxiliary air inlet passage, so that gas can follow the second air inlet hole 3131. Move from bottom to top to the vicinity of the ignition device to further replenish air for gas combustion.
  • the second air inlet hole 3131 is located below the first limiting plate 32, and the horizontal distance from the first cooling hole 321 is small, that is, the second air intake
  • the angle of inclination of the line between the hole 3131 and the first cooling hole 321 with respect to the vertical direction is small, so that the gas passing through the second air inlet hole 3131 can be directly and more directly from the first The cooling holes 321 are discharged.
  • the upwardly moving gas can have a certain impact on the gas below the first limiting plate 32 and the first substrate 31, thereby It is better to discharge the gas below the abutment to avoid gas accumulation.
  • the combustion chamber assembly further includes an air plate 5 disposed outside the second segment 312, the air plate 5 extending downwardly below the support plate 33.
  • the air plate 5 is disposed outside the second segment 312 to prevent the air plate 5 from protruding outside the first substrate 31 to affect the sidewalls of the first substrate 31 and the combustion chamber 2 fit.
  • a portion of the air plate 5 that extends beyond the support plate 33 is provided with an intake port that is an auxiliary intake port 52, and the auxiliary intake port 52 communicates with the first intake port 331.
  • the air plate 5 is further provided with a main air inlet 51 located above the support plate 33 and corresponding to the third air inlet hole 3121.
  • the auxiliary intake port 52 and the main intake port 51 are respectively in communication with the lance assembly 6, and the first intake hole 331 and the third intake hole 311 pass through the air plate 5 It is in communication with the lance assembly 6.
  • the auxiliary intake ports 52 are plural, and the plurality of the auxiliary intake ports 52 are evenly and spacedly distributed in the left-right direction.
  • the aperture of the auxiliary air inlet 52 is smaller than the aperture of the main air inlet 51, and the aperture of each of the auxiliary air inlets 52 may be the same or different.
  • the auxiliary intake port 52 can function to uniformly distribute the gas such that the gas entering the support plate 33 can be relatively dispersed to move more uniformly upward from each of the first intake holes 331.
  • the rear bracket 4 further includes a third limiting plate 43 abutting the rear side of the burner 1 .
  • the lower end of the second substrate 41 is connected to the third limiting plate 43
  • the third limiting plate 43 is located above the supporting plate 33 .
  • the third limiting plate 43 is provided with a third cooling hole 431.
  • the third cooling hole 431 is located adjacent to the third limiting plate 43 and the second substrate 41, and the shape and arrangement of the third cooling hole 431 and the second cooling hole 421 are arranged. The same, no longer repeat here. Since the third limiting plate 43 is located above the supporting plate 33, gas entering from the first intake hole 331 of the supporting plate 33 can enter the third cooling hole 431, thereby improving Gas flowability above the third limiting plate 43.
  • the left and right sides of the second substrate 41 extend forwardly toward the front side, and the two side flaps 44 abut on the first substrate 31 and are mounted on the first substrate 31. Thereby clamping the burner 1.
  • Each of the side flaps 44 extends downward to form a support leg 441 which abuts against the support plate 33 and is mounted on the support plate 33.
  • the first segment 311 of the first substrate 31 is provided with a plurality of reinforcing ribs 314 , and the reinforcing ribs 314 extend in the left and right direction to strengthen the left and right sides of the first substrate 31 to prevent
  • the first substrate 31 is pressed and deformed by the reaction force of the burner 1.
  • a part of the front surface of the first segment 311 is recessed toward the rear surface, and a convex portion is formed on the rear surface thereof, and the convex portion is the reinforcing rib 314.
  • a reinforcing rib 314 is also provided on the front surface of the second substrate 41.

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

Abstract

一种燃烧室组件，包括燃烧器（1）以及用于容置燃烧器（1）且开口朝上的燃烧室（2），燃烧室（2）内设有前支架（3）和后支架（4），前支架（3）和后支架（4）对应夹持燃烧器（1）的前后侧；前支架（3）包括上下延伸的第一基板（31）及与第一基板（31）的上端连接并朝后延伸的第一限位板（32），后支架（4）包括上下延伸的第二基板（41）及与第二基板（41）的上端连接并朝前延伸的第二限位板（42）；第一限位板（32）上设有第一冷却孔（321），和/或，第二限位板（42）上设有第二冷却孔（421）；采用上述结构能够有效降低燃烧室前后侧的温度。还公开了包括该燃烧室组件的燃气热水器。

Description

燃烧室组件和燃气热水器
技术领域
本发明涉及热水器领域，特别涉及一种燃烧室组件和燃气热水器。
背景技术
为了防止燃气热水器内的燃烧器晃动，通常在燃烧器的两相对侧均设有固定支架。固定支架一般包括上下延伸的基板以及与基板连接并朝向燃烧器延伸的限位板，限位板与燃烧器外围抵接，两固定支架上的限位板共同作用以夹持燃烧器，从而对燃烧器起到限位作用。由于限位板与燃烧器外围抵接，部分气体易堆积在限位板下方，使得该处气体流动性差，温度较高，该较高的温度易传导至燃烧室外，使得燃烧室壳体温度过高。
发明内容
本发明的主要目的是提出一种燃烧室组件，旨在降低燃烧室前后侧温度。
为实现上述目的，本发明提出的燃烧室组件，包括燃烧器以及用以容置所述燃烧器且开口朝上的燃烧室，所述燃烧室内还设有前支架和后支架，所述前支架和所述后支架对应夹持所述燃烧器的前后侧；所述前支架包括上下延伸的第一基板，及与所述第一基板的上端连接并朝后延伸的第一限位板，所述后支架包括上下延伸的第二基板，及与所述第二基板的上端连接并朝前延伸的第二限位板；所述第一限位板上设有第一冷却孔，和/或，所述第二限位板上设有第二冷却孔。
优选地，所述第一限位板和所述第二限位板均低于所述燃烧器的点火装置设置。
优选地，所述第一冷却孔位于所述第一基板与所述第一限位板邻接处；所述第二冷却孔位于所述第二基板与所述第二限位板邻接处。
优选地，所述第一冷却孔为左右方向延伸的条形孔；所述第二冷却孔为左右方向延伸的条形孔。
优选地，所述第一冷却孔为多个，且多个所述第一冷却孔沿左右方向间隔分布；所述第二冷却孔为多个，且多个所述第二冷却孔沿左右方向间隔分布。
优选地，所述前支架还包括用于支撑所述燃烧器的支撑板，所述第一基板下端与所述支撑板相连，所述支撑板的底面设有位于所述燃烧室底壁上的支脚，且所述支撑板上设有第一进气孔。
优选地，所述燃烧器包括多个间隔设置的换热板，所述第一进气孔对应相邻两所述换热板的间隙设置。
优选地，所述第一基板呈台阶状，包括上下设置的第一段和第二段，所述第一段向外侧突出所述第二段设置，以在所述第一段与所述第二段之间形成有台阶面；所述第一限位板连接于所述第一段，所述支撑板连接于所述第二段，所述台阶面上设有第二进气孔。
优选地，所述燃烧室组件还包括设置在所述第二段外侧的空气板，所述空气板朝下延伸至所述支撑板的下方，所述空气板向下超出所述支撑板的部分设有进气口。
优选地，所述后支架还包括与所述燃烧器后侧抵接的第三限位板，所述第二基板下端与所述第三限位板相连，所述第三限位板位于所述支撑板上方，且所述第三限位板上设有第三冷却孔。
本发明还提出一种燃气热水器，所述燃气热水器包括燃烧室组件，所述燃烧室组件包括燃烧器以及用以容置所述燃烧器且开口朝上的燃烧室，所述燃烧室内还设有前支架和后支架，所述前支架和所述后支架对应夹持所述燃烧器的前后侧；所述前支架包括上下延伸的第一基板，及与所述第一基板的上端连接并朝后延伸的第一限位板，所述后支架包括上下延伸的第二基板，及与所述第二基板的上端连接并朝前延伸的第二限位板；所述第一限位板上设有第一冷却孔，和/或，所述第二限位板上设有第二冷却孔。
本发明中，由于在第一限位板设置了第一冷却孔；在第二限位板上设置了第二冷却孔，则当气体运动到第一限位板和第二限位板下方时，能够顺着第一冷却孔和第二冷却孔跑出，从而增强了气体的流动性，避免了气体堆积，且该流动的气体能够带走前后侧的部分热量，有利于对燃烧室外壳进行降温。
附图说明
为了更清楚地说明本发明实施例或现有技术中的技术方案，下面将对实施例或现有技术描述中所需要使用的附图作简单地介绍，显而易见地，下面描述中的附图仅仅是本发明的一些实施例，对于本领域普通技术人员来讲，在不付出创造性劳动的前提下，还可以根据这些附图示出的结构获得其他的附图。
图1为本发明燃烧室组件一实施例的结构示意图；
图2为图1中A处的局部放大图；
图3为图1中前支架、后支架以及燃烧器组装后的结构示意图；
图4为图3中前支架、后支架以及燃烧器从另一角度的结构示意图；
图5为图1中前支架的结构示意图；
图6为图5中前支架从另一角度看的结构示意图；
图7为图1中后支架的结构示意图。
附图标号说明：
标号 名称 标号 名称
1 燃烧器 33 支撑板
2 燃烧室 331 第一进气孔
21 底板 34 支脚
22 围板 4 后支架
23 盖板 41 第二基板
3 前支架 42 第二限位板
31 第一基板 421 第二冷却孔
311 第一段 43 第三限位板
312 第二段 431 第三冷却孔
3121 第三进气孔 44 侧翼
313 台阶面 441 支撑脚
3131 第二进气孔 5 空气板
314 加强筋 51 主进气口
32 第一限位板 52 辅助进气口
321 第一冷却孔 6 喷气管组件
本发明目的的实现、功能特点及优点将结合实施例，参照附图做进一步说明。
具体实施方式
下面将结合本发明实施例中的附图，对本发明实施例中的技术方案进行清楚、完整地描述，显然，所描述的实施例仅仅是本发明的一部分实施例，而不是全部的实施例。基于本发明中的实施例，本领域普通技术人员在没有作出创造性劳动前提下所获得的所有其他实施例，都属于本发明保护的范围。
需要说明，若本发明实施例中有涉及方向性指示（诸如上、下、左、右、前、后……），则该方向性指示仅用于解释在某一特定姿态（如附图所示）下各部件之间的相对位置关系、运动情况等，如果该特定姿态发生改变时，则该方向性指示也相应地随之改变。
另外，若本发明实施例中有涉及“第一”、“第二”等的描述，则该“第一”、“第二”等的描述仅用于描述目的，而不能理解为指示或暗示其相对重要性或者隐含指明所指示的技术特征的数量。由此，限定有“第一”、“第二”的特征可以明示或者隐含地包括至少一个该特征。另外，各个实施例之间的技术方案可以相互结合，但是必须是以本领域普通技术人员能够实现为基础，当技术方案的结合出现相互矛盾或无法实现时应当认为这种技术方案的结合不存在，也不在本发明要求的保护范围之内。
本发明提出一种燃气热水器，所述燃气热水器包括燃烧室组件。
在本发明实施例中，如图1所示，该燃烧室组件包括燃烧器1以及用以容置所述燃烧器1且开口朝上的燃烧室2。所述燃烧室2包括底板21、围合在底板周缘的三个围板22和一盖板23，所述底板21、围板22和盖板23围合形成开口朝上的空腔。
如图3和图4所示，为防止所述燃烧器1晃动，在所述燃烧室2内还设有前支架3（如图5所示）和后支架4（如图7所示），所述前支架3和所述后支架4对应夹持所述燃烧器1的前后侧。所述前支架3包括上下延伸的第一基板31，及与所述第一基板31上端连接并朝后延伸的第一限位板32，所述后支架4包括上下延伸的第二基板41，及与所述第二基板41上端连接并朝前延伸的第二限位板42。所述第一限位板32上设有第一冷却孔321；和/或，所述第二限位板42上设有第二冷却孔421。
燃烧器1通常包括多个沿左右方向并排且间隔设置的换热器，在第一限位板32和第二限位板42的自由端端面均设有多个凹槽以对应卡接每一换热器，从而限制换热器左右和前后方向的晃动。
第一限位板32与第一基板31的上端连接，可以是连接在第一基板31的顶端，也可以是靠近顶端连接。第二限位板42与第二基板41的上端连接，可以是连接在第二基板41的顶端，也可以是靠近顶端连接。
本发明中，由于在第一限位板32设置了第一冷却孔321，在第二限位板42上设置了第二冷却孔421，则当气体运动到第一限位板32和第二限位板42下方时，能够顺着第一冷却孔321和第二冷却孔421跑出，从而增强了气体的流动性，避免了气体堆积，且该流动的气体能够带走前后侧的部分热量，有利于对燃烧室2外壳进行降温。
在一实施例中，所述第一限位板32和所述第二限位板42均低于所述燃烧器的点火装置设置。如此，经所述第一冷却孔321和第二冷却孔421排出的气体为未被燃烧的气体，该气体本身的温度比经过燃烧后的烟气温度低，因而能够更多地吸收燃烧室2前后侧的热量，将热量带离，达到更好地降温效果。
由于两块邻接的板体之间易形成死角，且该处的气体流动性较差，为避免邻接处死角的产生，提高该处气体流动性能，以起到更好的降温效果，在一实施例中，所述第一冷却孔321位于所述第一基板31与所述第一限位板32邻接处；所述第二冷却孔421位于所述第二基板41与所述第二限位板42邻接处。如此，位于邻接处下方的气体能够迅速从冷却孔中排出，从而避免了邻接处气体的堆积。
为增加冷却孔的出气面积，优选地，所述第一冷却孔321左右方向延伸的条形孔，所述第二冷却孔421为左右方向延伸的条形孔。具体所述第一冷却孔321和所述第二冷却孔421可以是长方形孔或椭圆形孔等。当然，所述第一冷却孔321和所述第二冷却孔421也可以是圆孔或正方形孔或其它不规则孔等形状。本实施例中，条形孔顺着两块板体邻接处而延伸，使得该邻接处的气体能够快速排出，达到更好降温效果。
所述第一冷却孔321为多个，多个所述第一冷却孔321沿左右方向间隔分布；所述第二冷却孔421也为多个，且所述第二冷却孔421沿左右方向间隔分布。本实施例中，所述第一冷却孔321和所述第二冷却孔421优选为均匀分布，更有利于均匀排气，从而实现均匀降温。通过设置多个所述第一冷却孔321和多个所述第二冷却孔421，能够加快气体流通速度。
在其它实施例中，所述第一冷却孔321全部位于第一限位板32上，并竖直贯穿第一限位板32；所述第二冷却孔421全部位于第二限位板42上，并竖直贯穿第二限位板42。
通常，燃烧室2可以是从侧向进气，也可以是从底面进气。例如，在一实施例中，燃烧室2从侧向进气，即用于朝燃烧室2内喷气的喷气管组件6设置在燃烧室2侧壁上，且在前支架3上设有与喷气管组件6连通的进气孔，使得气体能够从进气孔中流动到换热器上，并在点火装置附近燃烧。
如图5和图6所示，具体的，前支架3的第一基板31上设有若干排沿上下方向间隔设置的第三进气孔3121，且每一排均包括若干个左右间隔设置的第三进气孔3121。第三进气孔3121作为主进气孔而与喷气管组件6（如图2所示）连通。
进一步地，所述前支架3还包括用于支撑所述燃烧器1的支撑板33，所述第一基板31下端与所述支撑板33相连，所述支撑板33的底面设有位于所述燃烧室2底壁上的支脚34，且所述支撑板33上设有第一进气孔331。本实施例中，第一进气孔331作为辅助进气孔与喷气管组件6连通。优选地，第一进气孔331的孔径小于第三进气孔3121的孔径。在所述第三进气孔3121侧面进气的基础上，通过设置所述第一进气孔331实现底面进气，能够增加更多进气通道，为燃烧器1燃烧进一步补充空气，保证燃气燃烧更加充分，从而有利于减少烟气中氮氧化物的含量。
该实施例中，所述第一进气孔331对应相邻两所述换热板的间隙设置。即通过在每一间隙之间均设置所述第一进气孔331，能够为每一换热板的燃气燃烧补充空气，使得每一换热板上的燃气均能够得到充分燃烧。优选地，多个所述第一进气孔331均匀分布。
上述实施例中，所述支撑板33向下翻折形成翻边，所述翻边为所述支脚34。本实施例中，所述支撑板33的左右侧和后侧均翻折形成所述支脚34，以使得所述支撑板33与所述燃烧室2的底壁之间存在间隔，从而为气体从下向上进入所述第一进气孔331提供通道。在其它实施例中，所述支脚34也可以是所述支撑板33底面所形成的支撑柱。
在一实施例中，所述第一基板31呈台阶状，包括上下设置的第一段311和第二段312，所述第一段311向外侧突出所述第二段312设置，以在所述第一段311与所述第二段312之间形成有台阶面313；所述第一限位板32连接于所述第一段311上，所述支撑板33连接于所述第二段312上，所述台阶面313上设有第二进气孔3131，所述第二进气孔3131与所述喷气管组件6连通。本实施例中，所述第二进气孔3131为多个，多个所述第二进气孔3131沿左右向间隔且均匀分布。所述第二进气孔3131的孔径小于所述第三进气孔3121的孔径，且所述第二进气孔3131作为辅助进气通道，使得气体能够顺着所述第二进气孔3131从下往上运动到点火装置附近，为燃气燃烧进一步补充空气。同时，由于所述第二进气孔3131是位于所述第一限位板32的下方的，且与所述第一冷却孔321之间的水平距离较小，也即所述第二进气孔3131与所述第一冷却孔321之间的连线相对竖直方向的倾斜角度较小，使得经过所述第二进气孔3131的气体能够更多且更快速地直接从所述第一冷却孔321中排出。由于经过所述第二进气孔3131的气体是从下往上运动的，该向上运动的气体能够对第一限位板32与第一基板31邻接处下方的气体具有一定的冲击作用，从而更好地带离该邻接处下方的气体排出，避免了气体堆积。
请结合参考图3，进一步地，所述燃烧室组件还包括设置在所述第二段312外侧的空气板5，所述空气板5朝下延伸至所述支撑板33的下方。所述空气板5设置在所述第二段312外侧，能够避免所述空气板5凸出在所述第一基板31的外侧而影响所述第一基板31与所述燃烧室2侧壁的贴合。所述空气板5的超出所述支撑板33的部分设有进气口，该进气口为辅助进气口52，且所述辅助进气口52与所述第一进气孔331连通。所述空气板5上还设有主进气口51，所述主进气口51位于所述支撑板33的上方，且对应所述第三进气孔3121设置。所述辅助进气口52和所述主进气口51分别与所述喷气管组件6连通，所述第一进气孔331和所述第三进气孔3121均通过所述空气板5而与所述喷气管组件6连通。本实施例中，所述辅助进气口52为多个，多个所述辅助进气口52沿左右方向均匀且间隔分布。所述辅助进气口52的孔径小于所述主进气口51的孔径，每一所述辅助进气口52的孔径可以相同，也可不同。所述辅助进气口52能够起到均匀分配气体的作用，使得进入所述支撑板33下方的气体可以相对分散，从而更加均匀地从各个第一进气孔331中向上运动。
请结合参考图7，为进一步提高对所述燃烧器1的限位效果，在一实施例中，所述后支架4还包括与所述燃烧器1后侧抵接的第三限位板43，所述第二基板41下端与所述第三限位板43相连，且所述第三限位板43位于所述支撑板33上方。为了增强所述第三限位板43与所述第二基板41邻接处上方的气体流动性，所述第三限位板43上设有第三冷却孔431。优选地，所述第三冷却孔431位于所述第三限位板43与所述第二基板41邻接处，且所述第三冷却孔431的形状以及排布与所述第二冷却孔421相同，此处不再赘述。由于所述第三限位板43是位于所述支撑板33上方的，则从所述支撑板33的第一进气孔331所进入的气体能够进入所述第三冷却孔431内，从而提高所述第三限位板43上方的气体流动性。
在一实施例中，所述第二基板41的左右两侧分别朝前延伸出两侧翼44，两所述侧翼44与所述第一基板31抵接，并安装在所述第一基板31上，从而将所述燃烧器1夹持。每一所述侧翼44朝下延伸形成支撑脚441，所述支撑脚441与所述支撑板33抵接，并安装在所述支撑板33上。
如图6所示，所述第一基板31的第一段311上设有若干条加强筋314，所述加强筋314沿左右方向延伸，能够对所述第一基板31起到加强左右，防止所述第一基板31受到所述燃烧器1的反作用力而被挤压变形。本实施例中，所述第一段311的部分前表面朝后表面凹陷，则在其后表面形成凸起部，该凸起部为所述加强筋314。同样的，在所述第二基板41的前表面也设有加强筋314。
以上所述仅为本发明的优选实施例，并非因此限制本发明的专利范围，凡是在本发明的发明构思下，利用本发明说明书及附图内容所作的等效结构变换，或直接/间接运用在其他相关的技术领域均包括在本发明的专利保护范围内。

Claims (20)

  1. 一种燃烧室组件，包括燃烧器以及用以容置所述燃烧器且开口朝上的燃烧室，其特征在于，所述燃烧室内还设有前支架和后支架，所述前支架和所述后支架对应夹持所述燃烧器的前后侧；
    所述前支架包括上下延伸的第一基板，及与所述第一基板的上端连接并朝后延伸的第一限位板，所述后支架包括上下延伸的第二基板，及与所述第二基板的上端连接并朝前延伸的第二限位板；
    所述第一限位板上设有第一冷却孔，和/或，所述第二限位板上设有第二冷却孔。
  2. 如权利要求1所述的燃烧室组件，其特征在于，所述第一限位板和所述第二限位板均低于所述燃烧器的点火装置设置。
  3. 如权利要求2所述的燃烧室组件，其特征在于，所述第一冷却孔位于所述第一基板与所述第一限位板邻接处；
    所述第二冷却孔位于所述第二基板与所述第二限位板邻接处。
  4. 如权利要求3所述的燃烧室组件，其特征在于，所述第一冷却孔为左右方向延伸的条形孔；
    所述第二冷却孔为左右方向延伸的条形孔。
  5. 如权利要求4所述的燃烧室组件，其特征在于，所述第一冷却孔为多个，且多个所述第一冷却孔沿左右方向间隔分布；
    所述第二冷却孔为多个，且多个所述第二冷却孔沿左右方向间隔分布。
  6. 如权利要求1所述的燃烧室组件，其特征在于，所述前支架还包括用于支撑所述燃烧器的支撑板，所述第一基板下端与所述支撑板相连，所述支撑板的底面设有位于所述燃烧室底壁上的支脚，且所述支撑板上设有第一进气孔。
  7. 如权利要求6所述的燃烧室组件，其特征在于，所述燃烧器包括多个间隔设置的换热板，所述第一进气孔对应相邻两所述换热板的间隙设置。
  8. 如权利要求6所述的燃烧室组件，其特征在于，所述第一基板呈台阶状，包括上下设置的第一段和第二段，所述第一段向外侧突出所述第二段设置，以在所述第一段与所述第二段之间形成有台阶面；所述第一限位板连接于所述第一段，所述支撑板连接于所述第二段，所述台阶面上设有第二进气孔。
  9. 如权利要求8所述的燃烧室组件，其特征在于，所述燃烧室组件还包括设置在所述第二段外侧的空气板，所述空气板朝下延伸至所述支撑板的下方，所述空气板向下超出所述支撑板的部分设有进气口。
  10. 如权利要求6所述的燃烧室组件，其特征在于，所述后支架还包括与所述燃烧器后侧抵接的第三限位板，所述第二基板下端与所述第三限位板相连，所述第三限位板位于所述支撑板上方，且所述第三限位板上设有第三冷却孔。
  11. 一种燃气热水器，其特征在于，所述燃气热水器包括燃烧室组件，所述燃烧室组件包括燃烧器以及用以容置所述燃烧器且开口朝上的燃烧室，所述燃烧室内还设有前支架和后支架，所述前支架和所述后支架对应夹持所述燃烧器的前后侧；
    所述前支架包括上下延伸的第一基板，及与所述第一基板的上端连接并朝后延伸的第一限位板，所述后支架包括上下延伸的第二基板，及与所述第二基板的上端连接并朝前延伸的第二限位板；
    所述第一限位板上设有第一冷却孔，和/或，所述第二限位板上设有第二冷却孔。
  12. 如权利要求11所述的燃气热水器，其特征在于，所述第一限位板和所述第二限位板均低于所述燃烧器的点火装置设置。
  13. 如权利要求12所述的燃气热水器，其特征在于，所述第一冷却孔位于所述第一基板与所述第一限位板邻接处；
    所述第二冷却孔位于所述第二基板与所述第二限位板邻接处。
  14. 如权利要求13所述的燃气热水器，其特征在于，所述第一冷却孔为左右方向延伸的条形孔；
    所述第二冷却孔为左右方向延伸的条形孔。
  15. 如权利要求14所述的燃气热水器，其特征在于，所述第一冷却孔为多个，且多个所述第一冷却孔沿左右方向间隔分布；
    所述第二冷却孔为多个，且多个所述第二冷却孔沿左右方向间隔分布。
  16. 如权利要求11所述的燃气热水器，其特征在于，所述前支架还包括用于支撑所述燃烧器的支撑板，所述第一基板下端与所述支撑板相连，所述支撑板的底面设有位于所述燃烧室底壁上的支脚，且所述支撑板上设有第一进气孔。
  17. 如权利要求16所述的燃气热水器，其特征在于，所述燃烧器包括多个间隔设置的换热板，所述第一进气孔对应相邻两所述换热板的间隙设置。
  18. 如权利要求16所述的燃气热水器，其特征在于，所述第一基板呈台阶状，包括上下设置的第一段和第二段，所述第一段向外侧突出所述第二段设置，以在所述第一段与所述第二段之间形成有台阶面；所述第一限位板连接于所述第一段，所述支撑板连接于所述第二段，所述台阶面上设有第二进气孔。
  19. 如权利要求18所述的燃气热水器，其特征在于，所述燃烧室组件还包括设置在所述第二段外侧的空气板，所述空气板朝下延伸至所述支撑板的下方，所述空气板向下超出所述支撑板的部分设有进气口。
  20. 如权利要求16所述的燃气热水器，其特征在于，所述后支架还包括与所述燃烧器后侧抵接的第三限位板，所述第二基板下端与所述第三限位板相连，所述第三限位板位于所述支撑板上方，且所述第三限位板上设有第三冷却孔。
PCT/CN2016/113348 2016-07-11 2016-12-30 燃烧室组件和燃气热水器 Ceased WO2018010393A1 (zh)

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