阅读说明：本技术 燃气灶及其燃烧器 (Gas stove and burner thereof ) 是由 王光汉 林玉绵 刘书兴 周文通 段聪聪 于 2021-08-24 设计创作，主要内容包括：本发明涉及一种燃气灶及其燃烧器,燃烧器配接于燃气灶的底板上,燃烧器包括燃烧组件、风门组件、检测组件及控制器,燃烧组件上开设有进气口,风门组件配接于底板,风门组件被构造为用于调节进气口的开度,检测组件配接于底板,检测组件包括第一驱动件、壳体及检测件,壳体具有收容腔,检测件收容于收容腔内,第一驱动件被构造为用于提供一驱动废气流入至收容腔内的驱动力,检测件被构造为用于检测收容腔内的废气中预设气体的参数值,控制器配接于底板,并与检测件及风门组件电连接,控制器被构造为用于在参数值等于或大于预设值时控制风门组件增大进气口的开度。本申请提供的燃气灶及其燃烧器调节精准度较高。(The invention relates to a gas stove and a burner thereof, wherein the burner is connected to a bottom plate of the gas stove in a matching mode, the burner comprises a combustion assembly, an air door assembly, a detection assembly and a controller, an air inlet is formed in the combustion assembly, the air door assembly is connected to the bottom plate in a matching mode, the air door assembly is configured to adjust the opening degree of the air inlet, the detection assembly is connected to the bottom plate in a matching mode, the detection assembly comprises a first driving piece, a shell and a detection piece, the shell is provided with an accommodating cavity, the detection piece is accommodated in the accommodating cavity, the first driving piece is configured to provide a driving force for driving waste gas to flow into the accommodating cavity, the detection piece is configured to detect the parameter value of preset gas in the waste gas in the accommodating cavity, and the controller is connected to the bottom plate in a matching mode, and electrically connected to the detecting member and the damper assembly, the controller being configured to control the damper assembly to increase the opening degree of the air inlet when the parameter value is equal to or greater than a preset value. The application provides a gas-cooker and combustor adjust the precision higher.)

1. A burner (10) coupled to a base plate (20) of a gas range (100), the burner (10) comprising:

a combustion assembly (11) provided with an air inlet (1125);

a damper assembly (12) coupled to the base plate (20), the damper assembly (12) configured to adjust an opening of the air inlet (1125);

the detection assembly (13) is connected to the bottom plate (20) in a matching mode, the detection assembly (13) comprises a first driving piece, a shell (132) and a detection piece, the shell (132) is provided with a containing cavity, the detection piece is contained in the containing cavity, the first driving piece is used for providing a driving force for driving the waste gas to flow into the containing cavity, and the detection piece is used for detecting a parameter value of preset gas in the waste gas in the containing cavity; and

a controller (14) coupled to the base plate (20) and electrically connected to the detector and the damper assembly (12), the controller (14) configured to control the damper assembly (12) to increase the opening of the air inlet (1125) when the parameter value is equal to or greater than the predetermined value.

2. The burner (10) of claim 1, further comprising a sampling member (15), wherein the combustion assembly (11) includes a gathering ring (116), wherein the gathering ring (116) has a gathering cavity (1161), wherein the sampling member (15) is coupled to the gathering ring (116), and wherein the sampling member (15) is configured to communicate the gathering cavity (1161) with the receiving cavity.

3. The burner (10) of claim 2, wherein the sampling member (15) includes a sampling portion (151) having a gathering surface that circumscribes the gathering cavity (1161), the sampling portion (151) being coupled to the gathering surface and disposed about a circumference of the gathering ring (116); sampling portion (151) have a sample chamber in, sampling hole (1512) have been seted up to the internal surface of sampling portion (151), gather can chamber (1161), sampling hole (1512), the sample chamber reaches it communicates in proper order to accept the chamber.

4. The burner (10) according to claim 3, wherein the sampling hole (1512) is plural, and the plural sampling holes (1512) are arranged at intervals in the circumferential direction of the sampling portion (151).

5. The burner (10) according to claim 3, wherein the sampling member (15) further comprises a communication portion (153), the communication portion (153) having a communication channel communicating between the sampling chamber and the housing chamber.

6. The burner (10) of claim 1, wherein the first driver is received within the receiving cavity.

7. The burner (10) according to claim 1, wherein the damper assembly (12) comprises a damper (121) and a second driving member (122) in transmission connection with the damper (121), the damper (121) covers the air inlet (1125), the damper (121) is provided with an air inlet (1214), and the second driving member (122) is electrically connected with the controller (14);

the controller (14) is configured to control the second driving member (122) to drive the damper (121) to rotate when the parameter value is equal to or greater than the preset value, so that the overlapping portion of the air inlet (1214) and the air inlet (1125) is increased.

8. The burner (10) of claim 7, wherein the damper (121) has a toothed portion (1212) formed on an outer peripheral surface thereof, the damper assembly (12) further includes a transmission gear (123), the second driving member (122) includes a driving body (1221) and an output shaft coupled to the driving body (1221), the driving body (1221) is configured to drive the output shaft to rotate, and the transmission gear (123) is sleeved on and fixed to the output shaft and engaged with the toothed portion (1212).

9. The burner (10) of claim 8, wherein the damper assembly (12) further comprises a support frame (124), the support frame (124) is coupled to the bottom plate (20), a limit hole (1247) is formed in the support frame (124), the driving body (1221) and the transmission gear (123) are distributed on two opposite sides of the support frame (124), and the output shaft passes through the limit hole (1247) and is engaged with the transmission gear (123).

10. A gas range (100), comprising:

a base plate (20); and

the burner (10) of any of claims 1 to 9, said burner (10) being coupled to said base plate (20).

Technical Field

The invention relates to the technical field of household appliances, in particular to a gas stove and a burner thereof.

Background

With the development of the technical field of household appliances, the gas stove is popular with people due to the characteristic of being convenient to use and is widely applied to the life of people. The traditional gas stove comprises a bottom plate and a burner arranged on the bottom plate, wherein in the burning process of the burner, the burner can adjust the air inlet amount at an air inlet of the burner according to the parameter value of preset gas in waste gas so as to reduce the emission of the preset gas. However, the conventional burner has low accuracy in detecting the parameter value of the predetermined gas, which results in low accuracy in adjusting the burner.

Disclosure of Invention

In view of the above, it is necessary to provide a gas stove and a burner thereof capable of improving the adjustment accuracy.

A burner coupled to a base plate of a gas range, the burner comprising:

the combustion assembly is provided with an air inlet;

a damper assembly coupled to the base plate, the damper assembly configured to adjust an opening of the air inlet;

the detection assembly is connected with the bottom plate in a matching mode and comprises a first driving piece, a shell and a detection piece, the shell is provided with an accommodating cavity, the detection piece is accommodated in the accommodating cavity, the first driving piece is used for providing a driving force for driving waste gas to flow into the accommodating cavity, and the detection piece is used for detecting a parameter value of preset gas in the waste gas in the accommodating cavity; and

a controller coupled to the base plate and electrically connected to the detecting member and the damper assembly, the controller being configured to control the damper assembly to increase an opening degree of the air inlet when the parameter value is equal to or greater than the preset value.

In one embodiment, the combustion assembly further comprises a sampling member, the combustion assembly comprises a power ring having a power chamber, the sampling member is coupled to the power ring, and the sampling member is configured to communicate the power chamber with the receiving chamber.

In one embodiment, the sampling piece comprises a sampling part, the energy gathering piece is provided with an energy gathering surface surrounding to form the energy gathering cavity, and the sampling part is matched on the energy gathering surface and arranged around the circumference of the energy gathering ring; the utility model discloses a sampling device, including sample portion, sampling hole, energy-gathering cavity, sampling cavity and accepting the chamber and communicate in proper order, sample chamber has in the portion of taking a sample, the thief hole has been seted up to the internal surface of sample portion, energy-gathering cavity the thief hole the sample chamber reaches it communicates in proper order to accept the chamber.

In one embodiment, the sampling holes are multiple, and the multiple sampling holes are sequentially arranged at intervals along the circumferential direction of the sampling part.

In one embodiment, the sampling member further includes a communication portion having a communication channel, and the communication channel is communicated between the sampling cavity and the accommodating cavity.

In one embodiment, the first driving member is accommodated in the accommodating cavity.

In one embodiment, the air door assembly comprises an air door and a second driving piece in transmission connection with the air door, the air door covers the air inlet, an air inlet is formed in the air door, and the second driving piece is electrically connected with the controller;

the controller is configured to control the second driving member to drive the damper to rotate when the parameter value is equal to or greater than the preset value, so that the overlapping portion of the air inlet and the air inlet is increased.

In one embodiment, a toothed portion is formed on the outer peripheral surface of the damper, the damper assembly further includes a transmission gear, the second driving member includes a driving body and an output shaft coupled to the driving body, the driving body is configured to drive the output shaft to rotate, and the transmission gear is sleeved and fixed on the output shaft and meshed with the toothed portion.

In one embodiment, the damper assembly further includes a support frame, the support frame is coupled to the bottom plate, the support frame is provided with a limiting hole, the driving body and the transmission gear are distributed on two opposite sides of the support frame, and the output shaft penetrates through the limiting hole and is meshed with the transmission gear.

A gas range comprising:

a base plate; and

the burner as claimed in any one of the above embodiments, wherein the burner is coupled to the base plate.

Above-mentioned gas-cooker and combustor thereof, at the in-process of combustor work, the waste gas that the gas combustion produced can flow into to acceping the intracavity under the effect of first driving piece, then, detect and predetermine gaseous parameter value in the waste gas of acceping the intracavity, control the aperture of air door subassembly increase air inlet when predetermineeing gaseous parameter value and being equal to or being greater than the default to make the gas can fully burn, and then, can prevent that the combustor from discharging and exceed standard. And because the setting of first driving piece and casing, the waste gas homoenergetic of the overwhelming majority can enter into to acceping the intracavity under the effect of first driving piece, and then, detects the piece and can carry out accurate detection to the parameter value of predetermineeing gas to make the regulation precision of combustor also higher.

Drawings

Fig. 1 is a schematic view of the overall structure of a gas range according to an embodiment of the present invention;

fig. 2 is an exploded view of the gas range shown in fig. 1;

FIG. 3 is a schematic view of the structure of the gas stove shown in FIG. 1 in which the burner, the injection pipe and the damper assembly are engaged;

fig. 4 is an exploded view of the burner, the ejector tube and the damper assembly of the gas range shown in fig. 3.

Description of the drawings:

100. a gas range; 10. a burner; 11. a combustion assembly; 111. a furnace end; 112. an injection pipe; 1121. an inner ring injection pipe; 1123. an outer ring injection pipe; 1125. an air inlet; 113. a nozzle; 1132. an inner ring nozzle; 1134. an outer ring nozzle; 114. a fire cover; 1141. an inner ring fire cover; 1143. an outer ring fire cover; 115. a gas valve; 116. energy gathering ring; 1161. an energy collecting cavity; 117. a support frame; 12. a damper assembly; 121. a damper; 1212. a tooth portion; 1214. an air inlet; 122. a second driving member; 1221. a drive body; 123. a transmission gear; 124. a support frame; 1241. a first support plate; 1243. a second support plate; 1245. a connecting plate; 1247. a limiting hole; 13. a detection component; 132. a housing; 1321. an input port; 14. a controller; 15. sampling; 151. a sampling section; 1512. a sampling hole; 153. a communicating portion; 20. a base plate.

Detailed Description

In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein.

In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In the present invention, unless otherwise expressly stated or limited, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through an intermediate. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like as used herein are for illustrative purposes only and do not denote a unique embodiment.

Referring to fig. 1, the present application provides a gas range 100, the gas range 100 including a base plate 20 and a burner 10, the burner 10 being coupled to the base plate 20, and the burner 10 being configured to support and heat a cooking utensil.

Referring to fig. 2 and 4 together, the burner 10 includes a combustion assembly 11, a damper assembly 12, a detection assembly 13, and a controller 14, the combustion assembly 11, the air door assembly 12, the detection assembly 13 and the controller 14 are all connected to the bottom plate 20, the combustion assembly 11 is provided with an air inlet 1125, the air door assembly 12 is configured to adjust the opening degree of the air inlet 1125, the detection assembly 13 includes a first driving member (not visible), a housing 132 and a detection member (not visible), the housing 132 has an accommodating cavity (not visible), the detection member is accommodated in the accommodating cavity, the first driving member is configured to provide a driving force for driving the exhaust gas to flow into the accommodating cavity, the detection member is configured to detect a preset gas parameter value in the exhaust gas in the accommodating cavity, the controller 14 is electrically connected to the detection member and the air door assembly 12, and the controller 14 is configured to control the air door assembly 12 to increase the opening degree of the air inlet 1125 when the parameter value is equal to or greater than the preset value.

Specifically, the combustion assembly 11 includes a burner 111, an injection pipe 112, a nozzle 113, a fire cover 114 and a gas valve 115, the injection pipe 112 and the fire cover 114 are both coupled to the burner 111, and an opening of the injection pipe 112, which is far away from the burner 111, forms an air inlet 1125, the nozzle 113 is disposed through the air inlet 1125 and at least partially extends into the injection pipe 112, and is configured to inject gas into the injection pipe 112, the gas flows through the burner 111 and the fire cover 114 in sequence under the action of self inertia and is injected to the outside for combustion, and the gas valve 115 is coupled to the bottom plate 20 and is configured to control the flow rate of the gas injected by the nozzle 113.

Specifically, the predetermined gas in the exhaust gas may be CO, or alternatively, may be CO₂Or, alternatively, NO_XThe parameter value may be a concentration value, or a content, etc. That is, the parameter value of the preset gas may be a concentration value of CO, or a content of CO, or may be CO₂Concentration values of (c), etc.

In the conventional burner 10, the sensing member is exposed to the external environment and senses a parameter value of a predetermined gas in exhaust gas generated by combustion of the gas. Because the waste gas that produces in the combustion process is direct diffusion to external environment, and receives the influence of external environment factor (for example wind), leads to flowing into the gaseous parameter value of predetermineeing in the detection region of detection piece probably not conform with actual parameter value, and then, the precision that detects of detection piece reduces, leads to combustor 10 also to lower to the regulation precision of intake.

In the present application, when the parameter value of the preset gas is equal to or greater than the preset value, it indicates that the discharge amount of the preset gas is high, and at this time, the controller 14 controls the opening of the air inlet 1125 to increase, so that the air flowing into the injection pipe 112 from the air inlet 1125 in the external environment is increased, and then the gas and the air can be fully mixed in the injection pipe 112 and are fully combusted after being ejected from the burner 111 and the burner cap 114 in sequence. Further, CO and CO in the exhaust gas₂And NO_XThe amount of emissions is reduced, thereby preventing the burner 10 from exceeding the emissions. When the value of the parameter detected by the detecting element is smaller than the preset value, the controller 14 controls the damper assembly 12 to be inactive, so that the opening degree of the air inlet 1125 is maintained constant, and the burner 10 also maintains the original combustion efficiency.

In addition, because the setting of driving piece and casing 132, under the effect of first driving piece, the most waste gas homoenergetic that produces among the combustion process can flow into the accommodating cavity to casing 132, not only makes the parameter value of presetting gas in the waste gas receive external environment's influence less, but also makes the detection piece fully contact with waste gas. Therefore, the detecting member can accurately detect and obtain the parameter value of the exhaust gas, and further, the opening degree of the air inlet 1125 can be accurately adjusted by the damper assembly 12, so that the burner 10 has high adjusting accuracy. In addition, since the burner 10 of the present application can automatically adjust the opening of the air inlet 1125, compared to a manual adjustment method, the burner can prevent a user from being burned due to contact with the damper assembly 12 during the adjustment process of the damper assembly 12, thereby providing high safety.

Optionally, the first driving member may be accommodated in the accommodating cavity, or may be located outside the accommodating cavity, and preferably, the first driving member is accommodated in the accommodating cavity, and the first driving member may be a fan, an air extractor, or the like. Input port 1321 and delivery outlet (not visible) have been seted up on casing 132, and input port 1321 and delivery outlet all with accept the chamber intercommunication, first driving piece is acceptd in acceping the intracavity, and first driving piece work, can form the negative pressure in acceping the intracavity, so that the waste gas that the gas combustion produced can flow into to acceping the intracavity through input port 1321, and then, the gas of predetermineeing that is arranged in the waste gas of acceping the intracavity can fully contact with the detection piece, so that the parameter value of gas is predetermine in the acquisition that the detection piece can be accurate and feed back to controller 14. In the detection process, part of waste gas can be discharged out of the accommodating cavity from the output port, so that the waste gas in the accommodating cavity is prevented from being detained, and the detection accuracy is reduced.

In addition, in order to improve the detection accuracy, the parameter value of the exhaust gas can be obtained by measuring for many times and calculating to obtain an average value, or the discharge amount of the exhaust gas of the output port can be controlled, so that the parameter value of the preset gas contained in the containing cavity is more consistent with the actual value.

Referring to fig. 1 and fig. 2 again, the burner 10 further includes the sampling element 15, the combustion assembly 11 includes a supporting frame 117 and a power concentrating ring 116, the supporting frame 117 is coupled to the bottom plate 20, the power concentrating ring 116 is coupled to an end of the supporting frame 117 away from the bottom plate 20, and both the supporting frame 117 and the power concentrating ring 116 are disposed around the burner 111. The shaped ring 116 has a shaped cavity 1161, the sampling member 15 is coupled to the shaped ring 116, and the sampling member 15 is configured to communicate the shaped cavity 1161 with the receiving cavity. Specifically, the energy gathering ring 116 has a first end and a second end sequentially arranged along the circumferential direction thereof, the first end is close to the bottom plate 20, the second end is far away from the bottom plate 20, and the burner 111 and the fire cover 114 are stacked and arranged in the energy gathering cavity 1161 along the direction from the first end to the second end. During the combustion of the gas, the gas is combusted in the energy collecting cavity 1161, and the generated exhaust gas rises from the first end to the second end and is diffused to the outside. Because the sampling piece 15 is communicated between the energy gathering cavity 1161 and the accommodating cavity, most of waste gas generated by combustion of the fuel gas in the energy gathering cavity 1161 can flow into the accommodating cavity through the sampling piece 15 before being diffused to the outside, and therefore the influence of the external environment on the parameter value of the preset gas is small, so that the detection piece has high detection accuracy, and further the adjustment accuracy of the combustor 10 can be further improved.

Further, the sampling member 15 includes a sampling portion 151, the energy gathering member has an energy gathering surface surrounding to form an energy gathering cavity 1161, and the sampling portion 151 is coupled to the energy gathering surface and arranged around the circumference of the energy gathering ring 116; sampling portion 151 has a sampling chamber (not visible) therein, and sampling hole 1512 has been seted up to the internal surface of sampling portion 151, and energy gathering chamber 1161, sampling hole 1512, sampling chamber and holding the chamber communicate in proper order. Through setting up sampling portion 151 and being located gathering the energy face, consequently, at the in-process of sample, sampling portion 151 can fully contact with waste gas, and then under the effect of first driving piece, waste gas can be effectual enters into to accommodating the intracavity through thief hole 1512 and sample chamber to fully contact with the detection piece.

Furthermore, the sampling hole 1512 is plural, and the plural sampling holes 1512 are sequentially arranged at intervals along the circumferential direction of the sampling portion 151. Therefore, in the working process of the first driving member, the waste gas in the energy collecting cavity 1161 can enter the sampling cavity through all the sampling holes 1512, so that most of the waste gas can rapidly flow into the accommodating cavity, and the detection member has high detection accuracy and detection efficiency.

The sampling member 15 further includes a communicating portion 153, and the communicating portion 153 has a communicating channel (not visible) communicating between the sampling chamber and the accommodating chamber. Specifically, the communicating portion 153 is a tubular structure with two open ends, one end of the communicating portion 153 is connected to the sampling portion 151, and the other end of the communicating portion 153 is connected to the input port 1321 and is communicated with the input port 1321, so that the communicating channel in the communicating portion 153 can be used for communicating the sampling cavity with the accommodating cavity, and therefore, the exhaust gas in the energy collecting cavity 1161 can flow into the accommodating cavity through each sampling hole 1512, the sampling cavity and the communicating channel in sequence. By providing the communication portion 153, the length of the communication portion 153 can be adjusted according to the distance between the sampling member 15 and the housing 132, so that the housing 132 and the sampling member 15 can be mounted more flexibly. Specifically, the communicating portion 153 is provided on the side of the energy concentrating ring 116 facing away from the energy concentrating surface, so that the communicating portion 153 can be prevented from being damaged by an excessively high temperature.

Referring to fig. 3 and fig. 4, the damper assembly 12 includes a damper 121 and a second driving member 122 in transmission connection with the damper 121, the damper 121 covers the air inlet 1125, the damper 121 is provided with an air inlet 1214, and the second driving member 122 is electrically connected to the controller 14; the controller 14 is configured to control the second driver 122 to drive the damper 121 to rotate when the parameter value is equal to or greater than the preset value, so that the overlapping portion of the air inlet 1214 and the air inlet 1125 is increased. Specifically, the damper 121 is coupled to the air inlet 1125 of the ejector pipe 112 and covers the air inlet 1125, a mounting hole is further formed in the damper 121, and the nozzle 113 is inserted through the mounting hole of the damper 121 and at least partially extends into the ejector pipe 112. When the parameter value detected by the detecting element is equal to or greater than the preset value, the controller 14 controls the second driving element 122 to drive the damper 121 to rotate, so that the overlapping portion between the air inlet 1214 and the air inlet 1125 is increased, and thus, the opening degree of the air inlet 1125 is increased, and more air in the external environment can flow into the injection pipe 112 through the air inlet 1214 and the air inlet 1125 in sequence and is mixed with the fuel gas in the injection pipe 112. Through setting up the mode that controller 14 controls second drive piece 122 drive air door 121 rotatory, compare in the mode that controller 14 controls second drive piece 122 drive air door 121 translation, air door 121 is at rotatory in-process, the joining position of drawing pipe 112 relatively does not change, consequently, in the in-process of assembly, need not on the combustor 10 reserve other confession air door 121 gliding space to make the mounting structure of combustor 10 compacter, be convenient for realize the miniaturization of combustor 10.

It is worth mentioning that when the user wants to decrease the opening degree of the air inlet 1125, the user can input a signal for decreasing the opening degree to the controller 14 through an interaction device (e.g. a key), etc., and the controller 14 can control the second driver 122 to drive the damper 121 to rotate reversely, so that the opening degree of the air inlet 1125 decreases.

Further, a tooth portion 1212 is formed on the outer peripheral surface of the damper 121, the damper assembly 12 further includes a transmission gear 123, the second driving member 122 includes a driving main body 1221 and an output shaft (not shown), the driving main body 1221 is coupled to the bottom plate 20, the output shaft is coupled to the driving main body 1221, the driving main body 1221 is configured to drive the output shaft to rotate, and the transmission gear 123 is sleeved and fixed on the output shaft and engaged with the tooth portion 1212. Specifically, the driving body 1221 drives the output shaft to drive the transmission gear 123 and the damper 121 to rotate synchronously, so that the overlapping portion between the air inlet 1214 and the air inlet 1125 is increased. Through setting up tooth portion 1212 and drive gear 123, can effectively promote the stability of air door assembly 12 transmission to make the aperture regulation of air inlet 1125 more reliable stable.

Furthermore, the damper assembly 12 further includes a supporting frame 124, the supporting frame 124 is coupled to the bottom plate 20, a limiting hole 1247 is formed on the supporting frame 124, the driving body 1221 and the transmission gear 123 are distributed on two opposite sides of the supporting frame 124, and the output shaft passes through the limiting hole 1247 and is engaged with the transmission gear 123. By providing the support frame 124, the stability of the installation of the damper assembly 12 can be effectively improved, so that the damper assembly 12 can be stably fixed on the bottom plate 20.

Specifically, the supporting frame 124 includes a first supporting plate 1241, a second supporting plate 1243 and a connecting plate 1245, the first supporting plate 1241 and the second supporting plate 1243 are disposed at an interval along the axial direction of the output shaft, and the connecting plate 1245 is connected between the first supporting plate 1241 and the second supporting plate 1243 and fixed to the bottom plate 20. The first support plate 1241 is disposed close to the driving body 1221, the second support plate 1243 is disposed on a side of the first support plate 1241 facing away from the driving body 1221, and the transmission gear 123 is disposed on a side of the second support plate 1243 facing away from the first support plate 1241. Limiting holes 1247 are formed in the first supporting plate 1241 and the second supporting plate 1243, and the output shaft sequentially penetrates through the limiting holes 1247 of the first supporting plate 1241 and the second supporting plate 1243 and is engaged with the transmission gear 123. Through setting up the axial setting of first backup pad 1241 and second backup pad 1243 along the output shaft, can effectively promote the support performance of support frame 124 to second driving piece 122 to make the installation of second driving piece 122 more reliable, and can prevent that the output shaft from taking place to rock at rotatory in-process. Accordingly, the reliability of the rotation of the damper 121 also increases, thereby making the opening adjustment of the intake port 1125 more stable.

Specifically, the damper assemblies 12 may be in one group or multiple groups, and specifically, the number of the damper assemblies 12 is the same as that of the ejector pipes 112. Generally, the injection pipe 112 of the burner 10 includes an inner ring injection pipe 1121 and an outer ring injection pipe 1123, the inner ring injection pipe 1121 and the outer ring injection pipe 1123 are both connected to the burner 111, and one ends of the inner ring injection pipe 1121 and the outer ring injection pipe 1123, which are far away from the burner 111, are both provided with air inlets 1125, two sets of damper assemblies 12 are provided, the damper 121 in one set of damper assemblies 12 covers the air inlet 1125 of the inner ring injection pipe 1121, the nozzle 113 includes an inner ring nozzle 1132 and an outer ring nozzle 1134, the inner ring nozzle 1132 is inserted in the mounting hole of the damper 121 in one set of damper assemblies 12, and at least part of the inner ring nozzle 1132 extends into the inner ring injection pipe 1121, so as to inject gas into the inner ring injection pipe 1121. The second driving member 122 in one of the wind assemblies drives the wind doors 121 in the same group to rotate, so that the opening degree of the air inlet 1125 of the inner ring ejector tube 1121 is increased, and thus the air can be fully mixed with the fuel gas in the inner ring ejector tube 1121. The air door 121 in the other set of air door assembly 12 covers the air inlet 1125 of the outer ring injection pipe 1123, and the outer ring nozzle 1134 is disposed through the mounting hole of the air door 121 in the other set of air door assembly 12 and at least partially extends into the outer ring injection pipe 1123, so as to inject the fuel gas into the outer ring injection pipe 1123. The second driving member 122 in the other group of wind assemblies drives the wind doors 121 in the same group to rotate, so that the opening degree of the air inlet 1125 of the outer ring ejector pipe 1123 is increased, and air can be fully mixed with the fuel gas in the outer ring ejector pipe 1123. The gas valve 115 controls the flow rate of the gas ejected from the inner ring nozzle 1132 and the outer ring nozzle 1134 at the same time.

The fire cover 114 further includes an inner ring fire cover 1141 and an outer ring fire cover 1143, the outer ring fire cover 1143 is disposed around the inner ring fire cover 1141, the inner ring ejector tube 1121 mixes the gas and the air and then overflows to the outside through the burner 111 and the inner ring fire cover 1141 and burns in the energy collecting cavity 1161, and the outer ring ejector tube 1123 mixes the gas and the air and then overflows to the outside through the burner 111 and the outer ring fire cover 1143 and burns in the energy collecting cavity 1161.

It should be mentioned that, when the air door assembly 12 is plural, the second supporting plates 1243 of the supporting frames 124 in the plural air door assemblies 12 can be sequentially connected end to end along the radial direction of the output shaft to form a first plate-shaped structure, and the connecting plates 1245 of the supporting frames 124 in the plural air door assemblies 12 can also be sequentially connected end to end along the radial direction of the output shaft to form a second plate-shaped structure, so that the supporting firmness of the supporting frames 124 can be effectively improved, and the air door assembly 12 has better installation reliability.

Alternatively, on the bottom plate 20, the burners 10 may be arranged in one group, or two groups may be arranged, specifically according to the user's requirement. It is worth mentioning that when the burners 10 are in plural groups, the plural groups of burners 10 share one controller 14.

Above-mentioned gas-cooker 100 and combustor 10 thereof, at the in-process of combustor 10 work, the waste gas that the gas combustion produced can flow into to acceping the intracavity under the effect of first driving piece, and then, the measuring piece detects the parameter value of predetermineeing gaseous in the waste gas of acceping the intracavity, and control wind door subassembly 12 increase air inlet 1125's aperture when predetermineeing gaseous parameter value and being equal to or being greater than the default to make the gas fully burn, and then, can prevent that combustor 10 from discharging and exceed standard. And because the setting of first driving piece and casing 132, most waste gas homoenergetic enough enters into to acceping the intracavity under the effect of first driving piece, and then, the measuring piece can carry out accurate detection to the parameter value of predetermineeing gas to make the regulation precision of combustor 10 also higher.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.