WO2018040602A1

WO2018040602A1 - Burner

Info

Publication number: WO2018040602A1
Application number: PCT/CN2017/082593
Authority: WO
Inventors: 陆祖安; 王明; 黄官贤; 杜小文; 梁国荣
Original assignee: 芜湖美的厨卫电器制造有限公司
Priority date: 2016-08-30
Filing date: 2017-04-28
Publication date: 2018-03-08

Abstract

A burner (100), comprising: a burner upper cover (10), a fire orifice plate (20), and an air distribution plate (30). Multiple heat dissipation portions protruding outwards are provided on an outer wall surface of the burner upper cover (10). The fire orifice plate (20) is connected to the burner upper cover (10). The fire orifice (20) and the inner wall of the burner upper cover (10) together define a cavity. The air distribution plate (30) is disposed in the cavity and is provided with air holes (31) allowing fuel gas to pass through.

Description

burner

Technical field

The invention relates to the technical field of combustion devices, and in particular to a burner.

Background technique

In the case of a fully premixed gas burner, the flame height becomes very low at low load, and even the flame is in direct contact with the surface of the burner metal mesh. In this case, the heat generated by the combustion passes through convection and heat conduction. The method is quickly conducted to the top cover of the burner, causing the burner surface temperature to be too high. The burner in the related art uses a water-cooling method to cool the burner, but the water cooling method needs to re-modify the water tank so that the burner cooling water is connected to the water tank pipeline, increasing structural complexity and waterway resistance, increasing the volume of the burner, Conducive to the installation of the burner.

Summary of the invention

The present invention aims to solve at least one of the above technical problems to some extent.

To this end, the present invention proposes a burner capable of increasing the heat exchange area between the upper cover of the burner and the air, enhancing the air-cooling heat dissipation effect of the burner, and effectively reducing the surface temperature of the burner.

A burner according to an embodiment of the present invention includes: a burner upper cover, a fire hole plate, and a distribution plate, wherein the burner upper cover is provided with a gas inlet adapted for gas passage, and an outer wall surface of the burner upper cover Providing a plurality of outwardly projecting heat dissipating portions, the fire hole plate being connected to the burner upper cover and defining a chamber with an inner wall surface of the burner upper cover, the gas inlet being connected to the chamber The air distribution plate is disposed in the chamber and located between the gas inlet and the fire hole plate, and the air distribution plate is provided with a wind hole adapted to pass gas.

According to the burner of the embodiment of the present invention, by providing a plurality of outwardly protruding heat dissipating portions on the outer wall surface of the upper cover of the burner, the heat dissipating portion is increased by the heat dissipating portion, and the heat is dissipated during combustion of the gas in the combustion chamber. The air-cooling heat dissipation effect of the part is improved, so that the surface temperature of the burner can be lowered, the surface temperature of the burner is prevented from being too high, the performance and structural stability of the burner are affected by the expansion of the burner, and the gas leakage caused by the deformation of the burner structure is avoided. It prolongs the life of the burner and improves the safety of the burner.

In addition, the burner according to an embodiment of the present invention may further have the following additional technical features:

According to an embodiment of the present invention, an outer wall surface of the upper cover of the burner is provided with an outwardly protruding boss, the gas inlet is provided on the boss, and the heat dissipation portion is disposed on the outer periphery of the boss .

According to an embodiment of the invention, the heat dissipating portion includes a plurality of heat dissipating columns spaced apart in a circumferential direction of the boss.

According to an embodiment of the invention, the two ends of the boss are spaced apart from the ends of the upper cover of the burner a distance greater than a distance between the two sides of the boss and the two sides of the upper cover of the burner, and two rows of the two ends of the boss and the two ends of the upper cover of the burner are respectively disposed A heat dissipating column is defined, and a row of the heat dissipating columns is respectively disposed between two sides of the boss and two sides of the upper cover of the burner.

According to an embodiment of the present invention, a heat sink is disposed between the two sides of the boss and the heat dissipation column between the two sides of the burner.

According to an embodiment of the invention, the boss has a slope extending obliquely with respect to an outer wall surface of the upper cover of the burner, and at least a portion of the heat dissipation column is disposed on the slope.

According to an embodiment of the invention, a plurality of the heat dissipation columns are arranged in parallel.

According to an embodiment of the invention, the free ends of the plurality of heat dissipating columns have the same level.

According to an embodiment of the invention, the heat dissipation column has an axial length of 2-25 mm.

According to an embodiment of the invention, the heat dissipating portion is integrally formed with the burner upper cover.

The additional aspects and advantages of the invention will be set forth in part in the description which follows.

DRAWINGS

The above and/or additional aspects and advantages of the present invention will become apparent and readily understood from

1 is an exploded view of a burner in accordance with an embodiment of the present invention;

2 is a cross-sectional view of a burner in accordance with an embodiment of the present invention.

Reference mark:

100: burner;

10: burner cover;

11: gas inlet; 12: chamber; 13: boss; 14: heat sink; 15: heat sink; 16: bevel;

20: fire plate;

21: fire hole;

30: air distribution board;

31: wind hole; 32: mounting hole.

detailed description

The embodiments of the present invention are described in detail below, and the examples of the embodiments are illustrated in the accompanying drawings, wherein the same or similar reference numerals are used to refer to the same or similar elements or elements having the same or similar functions. The implementation described below with reference to the drawings The examples are intended to be illustrative of the invention and are not to be construed as limiting.

A burner 100 according to an embodiment of the present invention will be specifically described below with reference to FIGS. 1 and 2.

The combustor 100 according to an embodiment of the present invention includes a combustor upper cover 10, a fire hole plate 20, and a distribution plate 30. Specifically, the burner upper cover 10 is provided with a gas inlet 11 adapted to pass gas, and the outer wall surface of the burner upper cover 10 is provided with a plurality of outwardly protruding heat dissipation portions, the fire hole plate 20 and the burner upper cover 10 Connected to and define a chamber 12 with an inner wall surface of the burner upper cover 10, the gas inlet 11 is in communication with the chamber 12, and the air distribution plate 30 is disposed in the chamber 12 and located between the gas inlet 11 and the fire plate 20, The wind plate 30 is provided with a wind hole 31 adapted to pass gas.

In other words, the burner 100 is mainly composed of a burner upper cover 10, a fire hole plate 20, and a distribution plate 30, wherein the burner upper cover 10, the fire hole plate 20, and the distribution air plate 30 respectively form a horizontally extending horizontal direction. The plate member, the burner upper cover 10 is provided with a gas inlet 11 formed in a circular notch parallel to the horizontal plane, and the center of the circular notch coincides with the orthographic projection of the central position of the burner upper cover 10 on the horizontal plane. The gas pipe is connected to the gas inlet 11, and the gas is delivered to the burner 100. The outer wall surface of the burner upper cover 10 is provided with a heat radiating portion (not shown) and the heat radiating portion protrudes from the outer surface of the burner upper cover 10.

A fire hole plate 20 is disposed below the burner upper cover 10, and the fire hole plate 20 is connected to the bottom of the burner upper cover 10. The fire hole plate 20 is provided with a plurality of fire holes 21, and the fire holes 21 are disposed through the fire hole plate 20. A chamber 12 is formed between the burner upper cover 10 and the fire plate 20 to be electrically connected to the gas inlet 11, and the gas in the chamber 12 flows out of the chamber 12 through the fire hole 21 to burn on the surface of the fire plate 20. The distance between the combustion flame and the fire orifice plate 20 is related to the negative pressure in the chamber 12, and the air distribution plate 30 is disposed in the chamber 12, and the air distribution plate 30 is located between the burner upper cover 10 and the fire hole plate 20. The air distribution plate 30 is provided with a plurality of air holes 31 extending through the air distribution plate 30. The gas flows through the air holes 31 from the gas inlet 11 to the fire hole plate 20, and the installation hole 32 is provided at the edge of the air distribution plate 30 through the mounting hole. The air distribution plate 30 is installed in the chamber 12.

Thus, according to the burner 100 of the embodiment of the present invention, by providing a plurality of outwardly projecting heat dissipating portions on the outer wall surface of the burner upper cover 10, the heat dissipating portion is used to increase the heat dissipating area of the combustor 100, and the inner cavity of the combustor 100 During the gas combustion process, the air-cooling heat dissipation effect of the heat dissipating portion is improved, thereby reducing the surface temperature of the combustor 100, preventing the surface temperature of the combustor 100 from being excessively high, and affecting the performance and structural stability of the combustor 100 due to the expansion of the combustor 100. The gas leakage caused by the structural deformation of the burner 100 is avoided, the service life of the burner 100 is prolonged, and the safety of use of the burner 100 is improved.

The outer wall surface of the upper cover 10 of the burner is provided with an outwardly protruding boss 13 . The boss 13 is provided with a gas inlet 11 , and the heat dissipation portion is disposed on the outer periphery of the boss 13 .

Specifically, as shown in FIG. 1, the top wall of the upper cover 10 of the burner is provided with an upwardly projecting boss 13, and the boss 13 is located at the center of the upper cover 10 of the burner, and the center of the boss 13 is provided with a circular shape. The gas inlet 11 and the gas inlet 11 pass through the burner upper cover 10 to ensure that the gas can enter the inner cavity of the burner 100 through the gas inlet 11, and then flows out through the distribution plate 30 and the fire plate 20, and the burner upper cover 10 The region of the top wall from which the boss 13 is removed is provided with a heat dissipating portion, and the heat dissipating portion is disposed on the boss 13 Advantageously, the heat dissipating portion is evenly distributed around the boss 13 and the heat dissipating portion is connected to the top wall of the burner upper cover 10.

Thus, by providing the gas inlet 11 at the center of the burner upper cover 10, the supply of the gas of the burner 100 can be ensured, and the gas inlet 11 is provided in the middle of the boss 13, so that the gas can be uniformly distributed on the fire plate 20, thereby The flame on the fire plate 20 is ensured to be uniform, and the unevenness of the gas in the chamber 12 is prevented, which affects the normal use of the burner 100.

The heat dissipating portion disposed around the boss 13 and connected to the top wall of the burner upper cover 10 can improve the air cooling and heat dissipation efficiency during the combustion process of the combustor 100, and does not require water flow, air flow and the like to realize automatic heat dissipation of the combustor 100, and the structure Simple, no operation, not only can reduce the surface temperature of the burner 100, prevent the burner 100 from being damaged due to excessive temperature, prolong the service life and combustion stability and safety of the burner 100, and save the burner 100. The heat dissipation cost reduces the production cost and the use cost, and optimizes the structural design of the burner 100.

Optionally, the heat dissipating portion includes a plurality of heat dissipating columns 14 disposed along the circumferential direction of the boss 13 . Specifically, a plurality of heat dissipating columns 14 are uniformly disposed around the bosses 13 , and each of the heat dissipating columns 14 is formed into a cylindrical structure. And a central axis of each of the heat dissipation columns 14 is vertically arranged with respect to a plane in which the upper cover 10 of the burner is located, a gap is formed between two adjacent heat dissipation columns 14 , and a plurality of heat dissipation columns 14 arranged in a neat manner form a heat dissipation portion, and the heat dissipation column 14 is attached to the top wall of the burner upper cover 10 to increase the surface area of the burner upper cover 10.

Thus, by providing a plurality of heat dissipating columns 14 connected to the burner upper cover 10 on the burner upper cover 10, the heat dissipating column 14 can increase the surface area of the top wall of the burner upper cover 10, thereby improving the burner 100 and The contact area of the air is spaced apart from each other, and the airflow flows between the heat dissipation columns 14, thereby improving the air-cooling heat dissipation effect of the burner upper cover 10 and reducing the surface temperature of the burner 100.

In some embodiments of the present invention, the distance between the two ends of the boss 13 and the ends of the burner upper cover 10 is greater than the distance between the two sides of the boss 13 and the sides of the burner upper cover 10. The distance between the two ends of the boss 13 and the two ends of the burner cover 10 is respectively provided with a plurality of rows of heat dissipation columns 14, and two sides of the boss 13 and the two sides of the burner upper cover 10 are respectively provided with a Discharge the heat sink 14.

Referring to Figure 1, the distance between the two ends of the burner upper cover 10 (left and right ends as shown in Figure 1) is greater than the distance between the two sides of the burner upper cover 10 (front and rear sides as shown in Figure 1). The distance between the two ends of the boss 13 (the left and right ends shown in FIG. 1) is greater than the distance between the two sides of the boss 13 (the front and rear sides shown in FIG. 1), and both ends of the boss 13 ( The left and right ends shown in Figure 1 are at a greater distance from the two ends of the burner top cover 10 (the left and right ends shown in Figure 1), and the two sides of the boss 13 (front and rear sides as shown in Figure 1) The distance to both sides of the burner upper cover 10 (front and rear sides as shown in Fig. 1) is small.

Further, the distance from the left end edge of the boss 13 to the left end edge of the burner 100 is equal to the distance from the right end edge of the boss 13 to the right end edge of the burner 100, and the front side edge of the boss 13 is to the front side edge of the burner upper cover 10. The distance between the rear side of the boss 13 and the rear side edge of the burner upper cover 10 is equal, and the left end edge of the boss 13 is to the burner. The distance of the left end edge of 100 is greater than the distance between the front side edge of the boss 13 and the front side edge of the burner upper cover 10.

A plurality of rows of heat dissipating columns 14 are respectively disposed between the two ends of the boss 13 and the two ends of the burner upper cover 10, and a row of heat dissipating columns 14 are respectively disposed between the two sides of the boss 13 and the two sides of the burner upper cover 10. . Since the two ends of the boss 13 (the left and right ends shown in FIG. 1) reach a large distance between the two ends of the burner upper cover 10 (the left and right ends shown in FIG. 1), the boss 13 is present. A plurality of rows of heat dissipating columns 14 are disposed between the two ends (the left and right ends shown in FIG. 1) and the two ends of the burner upper cover 10 (the left and right ends shown in FIG. 1), and the burner upper cover 10 can be added. The heat dissipation effect is due to the small distance between the two sides of the boss 13 (the front and rear sides as shown in FIG. 1) to the sides of the burner upper cover 10 (the front and rear sides shown in FIG. 1), in the boss A row of heat dissipating columns 14 are disposed between the two sides of the 13 (front and rear sides as shown in FIG. 1) and the sides of the burner upper cover 10 (front and rear sides as shown in FIG. 1).

Thus, by providing a plurality of rows of heat dissipating columns 14 between the edges of the bosses 13 and the edges of the burner upper cover 10, the space between the edges of the bosses 13 and the edges of the burner cover 10 can be utilized to the utmost extent, as much as possible. The plurality of heat dissipation columns 14 are provided not only to fully utilize the space of the upper cover 10 of the burner, but also increase the number of the heat dissipation columns 14, increase the surface area of the upper cover 10 of the burner, and improve the air-cooling heat dissipation effect of the heat dissipation column 14 and reduce The surface temperature of the heat sink.

Advantageously, a fin 15 is provided between the heat dissipating post 14 and the boss 13 between the two sides of the boss 13 and the sides of the burner 100.

Referring to Figure 1, a heat dissipating fin 15 is disposed on the heat dissipating post 14 between the front and rear sides of the boss 13 and the front and rear edges of the burner upper cover 10. The heat sink 15 is disposed between the heat dissipating post 14 and the boss 13. Optionally, the heat sink 15 has a rectangular shape, one side of the heat sink 15 is connected to the side wall of the heat dissipation column 14, and the other side of the heat sink 15 is connected to the side wall of the boss 13, and the central axis of the heat dissipation column 14 is located. The plane in which the fins 15 are located, i.e., the plane in which the fins 15 are located, is perpendicular to the plane in which the burner cap 10 is located.

By providing the rectangular fins 15 between the heat dissipation column 14 and the boss 13, the surface area of the top wall surface of the burner upper cover 10 can be further increased, thereby further improving the air-cooling heat dissipation performance of the burner upper cover 10 and reducing the combustion. The surface temperature of the device 100 can also increase the structural stability of the burner upper cover 10, increase the stability of the heat dissipation column 14, and prevent deformation or damage of the heat dissipation column 14 due to collision or high temperature heating, thereby improving the burner 100. Work performance, extending the life of the burner 100

Optionally, the boss 13 has a slope 16 extending obliquely with respect to the outer wall surface of the burner upper cover 10, and at least a portion of the heat dissipation column 14 is disposed on the slope 16.

Referring to Figure 1, the left and right ends of the boss 13 are connected to the top wall of the burner upper cover 10 through the outer wall surface, and the outer wall faces of the two ends of the boss (the left and right ends shown in Fig. 1) are inclined faces 16 and inclined faces 16 The line connecting the upper cover 10 of the burner is parallel to the left and right sides of the upper cover 10 of the burner, and the distance between the line between the inclined surface 16 and the upper cover 10 of the burner to the left and right edges of the upper cover 10 of the burner is smaller than The distance between the left and right edges of the boss 13 to the left and right edges of the burner upper cover 10 is inclined obliquely with respect to the plane in which the boss 13 is located.

The heat-radiating column 14 closest to the left and right sides of the burner upper cover 10 passes through the line between the inclined surface 16 and the upper cover 10 of the burner, and the heat-dissipating column 14 on the left and right sides of the burner upper cover 10 is spaced from the burner upper cover 10 The heat dissipating column 14 which is far away from the left and right sides is disposed on the inclined surface 16 , wherein the bottom surface portion of the first row of the heat dissipating columns 14 closest to the left and right edges of the burner upper cover 10 coincides with the inclined surface 16 , and the second row and the third row dissipate heat The ground of the column 14 all coincides with the slope 16.

Therefore, by providing the inclined surface 16 on the left and right sides of the boss 13, the volume of the inner cavity of the burner 100 can be increased, the amount of gas contained in the inner cavity of the burner 100 can be increased, and the degree of premixing between the gas and the air can be increased to prevent the effect. The gas and the air are affected by the uneven mixing and affect the practical effect and the combustion performance of the burner 100. The heat dissipation column 14 is disposed on the left and right inclined surfaces 16 of the boss 13, which can increase the number of the heat dissipation columns 14, and further increase the air cooling of the burner 100. Effect.

Optionally, a plurality of heat dissipation columns 14 are arranged in parallel. Specifically, as shown in FIG. 1 , in the embodiment, the heat dissipation columns 14 around the boss 13 are disposed perpendicular to the plane of the burner upper cover 10 , and the central axis of the heat dissipation column 14 is parallel, and the diameter of the heat dissipation column 14 is They are equal, so that the heat dissipation columns 14 are arranged in parallel. The plurality of heat dissipating columns 14 disposed in parallel occupy a relatively small space, and the number of the heat dissipating columns 14 can be maximized in the existing space range, and the surface area of the top wall surface of the combustor upper cover 10 is increased, thereby increasing the heat dissipation effect.

Advantageously, the horizontal ends of the plurality of heat-dissipating columns 14 have the same horizontal height, that is, one end of the plurality of heat-dissipating columns 14 (the lower end as shown in FIG. 1) is connected to the top wall of the burner upper cover 10, and the heat-dissipating column 14 The other end (the upper end shown in FIG. 1) is a free end, and the free end of the heat dissipation column 14 is the same distance from the top wall of the burner upper cover 10, that is, the top of the plurality of heat dissipation columns 14 with respect to the top of the burner upper cover 10. The heights of the walls are equal, and the top walls of the heat dissipating columns 14 are in the same plane, and the plane is parallel to the plane in which the burner upper cover 10 is located, and the distance between the two planes is equal to the maximum height of the heat dissipating columns 14.

The heights of the free ends of the plurality of heat dissipating columns 14 are the same, and the free ends of the heat dissipating columns 14 are located in the same plane, so that the heat dissipating columns 14 are arranged neatly, and the dissipating heat dissipating columns 14 are prevented from affecting the heat dissipating effect of the heat dissipating columns 14 and the horizontal height is the same. The heat dissipation column 14 has a simple structure and is easy to implement, reduces the manufacturing cost of the heat dissipation column 14, reduces the production cost of the burner 100, and the heat dissipation column 14 of the same height is convenient for cleaning, and provides convenience for the user to clean the dust between the heat dissipation columns 14. .

Optionally, the axial length of the heat dissipation column 14 is 2-25 mm. That is to say, the distance from the bottom surface of the heat dissipation column 14 to the top wall surface of the burner upper cover 10 to the free end is 2-25 mm.

Due to the existence of the inclined surfaces 16 at both ends of the boss 13 (left and right ends as shown in FIG. 1), and the horizontal heights of the free ends of the heat dissipation columns 14 are the same, the heights of the heat dissipation columns 14 are unequal, and therefore, the axial length of the heat dissipation columns 14 It can be 2mm, 15mm or 25mm, depending on the actual working conditions and design needs.

As shown in FIG. 1, the heat dissipation column 14 can be divided into three cases according to the axial length dimension, and the heat dissipation column 14 is closest to the edge of the burner upper cover 10, and the axial length is the largest, and the burner upper cover 10 is The two rows of heat-dissipating columns 14 furthest from the edge have the smallest axial length and the remaining axial lengths are located therebetween.

The height of the heat dissipation column 14 having the largest axial dimension is less than 25 mm, and may be 25 mm, 24 mm, and 22 mm, or 20 mm. The height of the heat dissipation column 14 having the smallest axial dimension is greater than 2 mm, and may be 2 mm, 4 mm, or 5 mm. Its The remaining axial length of the heat dissipating post 14 is between the two, and may be 10 mm, 12 mm, or 9 mm or 15 mm.

The axial length of the heat dissipating column 14 is set between 2 mm and 25 mm, which satisfies the structural design of the upper cover 10 of the burner, and is combined with the size of the upper cover 10 of the burner and the size of the boss 13 to be reasonably optimized. Maximizing the booster 100 allows the user to cool the air and cool the surface temperature of the burner 100.

Preferably, the heat dissipating portion is integrally formed with the burner upper cover 10, that is, the heat dissipating column 14 disposed on the top wall surface of the burner upper cover 10 is integrally formed with the burner upper cover 10, and the burner upper cover 10 and the heat dissipating column are integrally formed. 14 is one-time casting molding of the same mold, thereby integrally forming the heat dissipating portion and the burner upper cover 10 not only ensuring the structure and performance stability of the burner 100, but also facilitating molding and manufacturing, and eliminating redundant fittings and The installation process greatly improves the assembly efficiency of the burner 100, ensures the connection reliability of the burner upper cover 10, and further, the integrated structure has high overall strength and stability, convenient assembly and long service life.

The operation of the burner 100 in accordance with an embodiment of the present invention will now be described in conjunction with specific embodiments.

The burner 100 according to an embodiment of the present invention is mainly composed of a burner upper cover 10, a fire hole plate 20, and a distribution plate 30. The burner upper cover 10 is provided with a gas inlet 11 formed in a circle with a horizontal plane. The notch, the center of the circular notch coincides with the projection of the center position of the burner upper cover 10 on the horizontal plane, and the gas pipe is connected to the gas inlet 11 to deliver the gas to the burner 100, the outer wall surface of the burner upper cover 10. A heat dissipating portion is provided, the heat dissipating portion is located at the top of the combustor 100, and the heat dissipating portion protrudes from the burner 100.

According to the burner 100 of the embodiment of the present invention, by providing a plurality of outwardly protruding heat dissipating portions on the outer wall surface of the burner upper cover 10, the heat dissipating portion is used to increase the heat dissipating area of the combustor 100, and the gas combustion in the inner cavity of the combustor 100 During the process, the air-cooling heat dissipation effect of the heat dissipating portion is improved, so that the surface temperature of the combustor 100 can be lowered, and the surface temperature of the combustor 100 is prevented from being excessively high, and the performance and structural stability of the combustor 100 are affected by the expansion of the combustor 100, thereby avoiding Burner damage or gas leakage caused by structural deformation of the combustor 100 prolongs the service life of the combustor 100 and improves the safety of use of the combustor 100.

Other configurations and operations of the combustor 100 in accordance with embodiments of the present invention are known to those of ordinary skill in the art and will not be described in detail herein.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", “Thickness”, “Upper”, “Lower”, “Before”, “After”, “Left”, “Right”, “Vertical”, “Horizontal”, “Top”, “Bottom”, “Inside”, “Outside” The orientation or positional relationship of the instructions is based on the orientation or positional relationship shown in the drawings, and is merely for the convenience of the description of the present invention and the simplified description, rather than indicating or implying that the device or component referred to has a specific orientation, The orientation and construction of the orientation are not to be construed as limiting the invention.

In the present invention, the terms "installation", "connected", "connected", "fixed" and the like shall be understood broadly, and may be either a fixed connection or a detachable connection, unless explicitly stated and defined otherwise. , or connected integrally; may be mechanical connection or electrical connection; may be directly connected, or may be indirectly connected through an intermediate medium, and may be internal communication between the two elements. For those skilled in the art, the specific meanings of the above terms in the present invention can be understood on a case-by-case basis.

In the description of the present specification, the description with reference to the terms "one embodiment", "some embodiments", "example", "specific example", or "some examples" and the like means a specific feature described in connection with the embodiment or example. A structure, material or feature is included in at least one embodiment or example of the invention. In the present specification, the schematic representation of the above terms does not necessarily mean the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in a suitable manner in any one or more embodiments or examples.

Although the embodiments of the present invention have been shown and described, it is understood that the foregoing embodiments are illustrative and not restrictive Variations, modifications, alterations and variations of the above-described embodiments are possible within the scope of the invention.

Claims

A burner characterized by comprising:

a burner upper cover, the upper cover of the burner is provided with a gas inlet suitable for the passage of gas, and the outer wall surface of the upper cover of the burner is provided with a plurality of outwardly protruding heat dissipation portions;

a fire orifice plate connected to the burner upper cover and defining a chamber with an inner wall surface of the burner upper cover, the gas inlet being in communication with the chamber;

a wind distribution plate is disposed in the chamber and located between the gas inlet and the fire hole plate, and the air distribution plate is provided with a wind hole adapted to pass gas.
The burner according to claim 1, wherein an outer wall surface of the upper cover of the burner is provided with an outwardly protruding boss, and the gas inlet is provided on the boss, and the heat dissipation portion is provided. On the outer circumference of the boss.
The burner according to claim 2, wherein said heat dissipating portion comprises a plurality of heat dissipating columns spaced apart in a circumferential direction of said boss.
A burner according to claim 2, wherein both ends of said boss are spaced apart from both ends of said upper cover of said burner by a distance greater than both sides of said boss and said burner a distance between the two sides of the upper cover, a plurality of rows of the heat dissipating columns are respectively disposed between the two ends of the boss and the two ends of the upper cover of the burner, and the two sides of the boss are A row of the heat dissipating columns is respectively disposed between the two sides of the upper cover of the burner.
The burner according to claim 4, wherein a heat sink is disposed between the heat dissipating post between the two sides of the boss and the two sides of the upper cover of the burner and the boss.
The burner according to claim 3, wherein said boss has a slope extending obliquely with respect to an outer wall surface of said upper cover of said burner, and at least a portion of said heat dissipation column is provided on said slope.
The burner according to claim 6, wherein a plurality of said heat dissipating columns are disposed in parallel.
A burner according to claim 7, wherein the horizontal ends of the plurality of said heat radiating columns have the same level.
The burner of claim 6 wherein said heat dissipating post has an axial length of from 2 to 25 mm.
A burner according to any one of claims 1 to 9, wherein the heat dissipating portion is integrally formed with the burner upper cover.