CN215982696U - Stove heat insulation assembly and stove - Google Patents

Abstract

The utility model discloses a heat insulation component of a stove and the stove, relates to the technical field of gas stoves, and aims to solve the problem that a key component in the stove is overhigh in temperature. The utility model provides a heat insulation assembly of a cooker, which is applied to the cooker and comprises a bottom shell, a panel arranged on the bottom shell, and a combustion device and a control device which are positioned in the bottom shell. The stove heat insulation assembly comprises a heat insulation plate and an adhesive tape. The heat insulation plate is positioned in the bottom shell and used for being connected with the bottom shell and isolating the combustion device from the control device. The adhesive tape comprises a sealing structure and a fixing structure. The sealing structure is used for abutting against the surface of the panel facing the bottom shell, one side, away from the panel, of the sealing structure is connected with the fixing structure, and the fixing structure is used for being connected with the heat insulation plate. The stove heat insulation assembly is used for isolating the space in the stove so as to reduce the influence of temperature on key components.

Description

Stove heat insulation assembly and stove

Technical Field

The utility model relates to the technical field of gas cookers, in particular to a cooker heat insulation assembly and a cooker.

Background

The quality and the service life of the gas cooker are always main problems of complaints at the market end, and particularly, the temperature rise inside the gas cooker is overhigh and the temperature rise of key components exceeds the standard in the long-time and high-fire cooking process of a user, so that the control and the safety failure are caused to form dangers.

In the prior art, although a gas cooker meets the temperature rise requirement required by national standards, if a user uses the gas cooker under abnormal use conditions, the temperature rise effect control of the gas cooker is not optimistic, and dangerous problems may be caused.

SUMMERY OF THE UTILITY MODEL

The embodiment of the utility model provides a heat insulation assembly of a stove and the stove, and solves the problem that critical components in the stove are dangerous due to overhigh temperature.

In order to achieve the above purpose, the embodiment of the utility model adopts the following technical scheme:

on one hand, the embodiment of the utility model provides a stove heat insulation assembly which is applied to a stove and comprises a bottom shell, a panel installed on the bottom shell, a combustion device and a control device, wherein the combustion device and the control device are positioned in the bottom shell; the cooking utensils subassembly that insulates against heat includes:

the heat insulation plate is positioned in the bottom shell, is connected with the bottom shell and isolates the combustion device from the control device; and the number of the first and second groups,

the adhesive tape comprises a sealing structure and a fixing structure; the sealing structure is used for abutting against the surface of the panel facing the bottom shell; one side of the sealing structure, which is far away from the panel, is connected with a fixing structure, and the fixing structure is used for being connected with the heat insulation plate.

According to the heat insulation assembly of the stove, the combustion device and the control device can be isolated by adopting the adhesive tape and the heat insulation plate, so that high-temperature air cannot directly contact with the control device, and the influence of the temperature of the combustion device on the control device is reduced. Because the adhesive tape is of a flexible structure, the heat insulation plate and the panel can be tightly attached, and the isolation effect of high-temperature air is further enhanced.

Further, the heat shield includes:

the adhesive tape fixing plate is connected with the fixing structure;

the heat insulating board body, with adhesive tape fixed plate cross arrangement, the one end of heat insulating board body is connected with the adhesive tape fixed plate, the other end and the drain pan of heat insulating board body link to each other.

Further, the fixing structure includes:

a fixed claw connected with one side of the sealing structure far from the panel, a groove arranged between the fixed claw and the sealing structure and used for accommodating at least part of the adhesive tape fixing plate, a fixing part arranged on the fixing claw,

and one end of the supporting claw is connected with one side of the sealing structure, which is far away from the panel, and the other end of the supporting claw is abutted against the heat insulation plate body.

Furthermore, the fixed claw and the supporting claw are respectively positioned on two sides of the heat insulation plate body, the fixed claw is close to the combustion device, and the supporting claw is close to the control device.

Further, the cross-sectional shape of the seal structure is circular, square or trapezoidal.

Further, the sealing structure is a hollow structure.

In another aspect, embodiments of the present invention provide a cooktop, including a bottom case, a panel mounted on the bottom case, a combustion device located in the bottom case, a control device, and any one of the above-mentioned cooktop heat insulation assemblies;

a heat insulation plate in the stove heat insulation assembly isolates the combustion device from the control device.

Furthermore, the stove also comprises a pulse igniter connected with the combustion device, and the control device is connected with the pulse igniter;

the bottom shell is divided into a first cavity and a second cavity by the heat insulation plate, the pulse igniter and the control device are located in the first cavity, and the combustion device is located in the second cavity.

Further, the combustion apparatus includes:

the furnace end is arranged on the bottom shell and communicated with the air inlet pipeline;

a liquid containing tray arranged at the mounting opening arranged on the panel,

the pot bracket is arranged on the liquid containing disc;

the burner is arranged in the middle of the pot bracket and is connected with the furnace end;

the anti-dry-burning inner fire cover is arranged on the furnace head and is positioned in the middle of the burner; and the number of the first and second groups,

the temperature sensing probe is arranged on the combustor and used for detecting temperature;

the control device includes:

a proportional valve;

the air inlet pipeline is communicated with the furnace end through the proportional valve and the coding switch;

the first knob is connected with the coding switch and is positioned above the panel; and the number of the first and second groups,

and the display control part is connected with the coding switch and the temperature sensing probe, and a display panel corresponding to the display control part is positioned on the panel.

Further, the combustion apparatus includes:

the furnace end is arranged on the bottom shell and communicated with the air inlet pipeline;

the liquid containing disc is arranged at the mounting opening formed in the panel;

the pot bracket is arranged on the liquid containing disc;

the burner is arranged in the middle of the pot bracket and is connected with the furnace end; and the number of the first and second groups,

the inner fire cover is arranged on the furnace head and is positioned in the middle of the burner;

the control device includes:

the air inlet pipeline is communicated with the furnace end through the mechanical valve; and the number of the first and second groups,

and the second knob is connected with the mechanical valve.

The cooker provided by the embodiment of the utility model and the heat insulation assembly provided by the embodiment of the cooker can obtain the same technical effects, and the details are not repeated herein.

Drawings

FIG. 1 is a schematic diagram of a cooking range according to an embodiment of the utility model;

FIG. 2 is a diagram illustrating the position relationship between a combustion device and a control device according to an embodiment of the present invention;

FIG. 3 is an exploded schematic view of a cooking appliance according to an embodiment of the present invention;

FIG. 4 is a schematic top view of a cooking range according to an embodiment of the present invention;

FIG. 5 is a schematic cross-sectional view at AA in FIG. 4 according to an embodiment of the present invention;

FIG. 6 is a schematic diagram of the inside of a cooker according to the embodiment of the utility model;

FIG. 7 is a schematic cross-sectional view at BB of FIG. 4 in accordance with an embodiment of the present invention;

FIG. 8 is a perspective view of a heat shield according to an embodiment of the present invention;

FIG. 9 is a top view of the embodiment of FIG. 8;

FIG. 10 is a cross-shaped schematic view of a rubber strip fixing plate and a heat insulation plate body according to an embodiment of the present invention;

FIG. 11 is an L-shaped cross schematic view of a rubber strip fixing plate and a heat insulation plate body according to an embodiment of the utility model;

FIG. 12 is a schematic side view of a strip of glue according to an embodiment of the utility model;

FIG. 13 is a schematic view of the adhesive tape in an obliquely upward bottom view according to the embodiment of the present invention;

FIG. 14 is a schematic top view of the rubber strip in an oblique downward direction according to the embodiment of the present invention.

Detailed Description

Embodiments of the present invention will be described in detail below with reference to the accompanying drawings.

In the description of the present invention, it is to be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.

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 one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Embodiments of the present invention refer to a cooktop 01 as shown in fig. 1, and the cooktop 01 may include a bottom case 100 and a panel 200 mounted on the bottom case 100. The bottom chassis 100 has a receiving cavity as shown in fig. 1. Based on this, the cooking utensil 01 may further include a combustion device 3 and a control device 5 in the receiving cavity of the bottom case 100, as shown in fig. 2.

The combustion apparatus 3 and the control apparatus 5 will be described below by way of example.

For example, as shown in the left part of the schematic diagram of fig. 3, the design of electronic control is performed by using the matching proportional valve 51 of the anti-dry-burning inner fire cover 35, and the key components are insulated by using the matching rubber strip 1 and the heat insulation plate 2, so that the characteristic that the temperature rise of the key components such as the pulse igniter 4, the proportional valve 51, the display control part 54 and the like is ensured in a lower range is realized, and the effects of increasing the quality of the gas cooker and prolonging the service life are achieved.

The combustion device 3 may include a burner 31, a liquid tray 32, a pot holder 33, a burner 34, an anti-dry-burning inner fire cover 35, and a temperature sensing probe 36. The burner 31 is disposed on the bottom case 100 and is communicated with the air inlet pipeline. The liquid containing tray 32 is arranged at the mounting opening 201 arranged on the panel 200, and the pot support 33 is arranged on the liquid containing tray 32. The burner 34 is arranged in the middle of the pot support 33 and connected with the burner 31.

The anti-dry inner fire cover 35 is disposed on the burner 31 and located in the middle of the burner 34. The temperature sensing probe 36 is provided on the burner 34 for detecting temperature.

The control device 5 may include a proportional valve 51, a coding switch 52, a first knob 53, and a display control portion 54. The intake pipe communicates with the burner 31 via a proportional valve 51 and a coding switch 52. The first knob 53 is connected to the coding switch 52 and is located above the panel 200 in fig. 4. The display control unit 54 is connected to the encoder switch 52 and the temperature sensing probe 36, and a display panel corresponding to the display control unit 54 is located on the panel 200.

In addition, in other embodiments of the present application, as shown in the right part of the schematic diagram of fig. 3, the combustion device 3 includes a burner 31, a liquid containing tray 32, a pot holder 33, a burner 34, and an inner fire cover 37. The burner 31 is disposed on the bottom case 100 and is communicated with the air inlet pipeline. The liquid containing tray 32 is arranged at the mounting opening 201 arranged on the panel 200. The pan support 33 is arranged on the liquid containing tray 32. The burner 34 is arranged in the middle of the pot support 33 and connected with the burner 31. The inner fire cover 37 is disposed on the burner head 31 and located in the middle of the burner 34.

The control device 5 comprises a mechanical valve 55 and a second knob 56. The intake duct communicates with the burner 31 via a mechanical valve 55. The second knob 56 is connected to the mechanical valve 55 and is located above the panel 200 in fig. 4.

Therefore, the control device 3 is prevented from being directly baked at high temperature in the combustion process of the combustion device 3, so that the temperature rise of the control device 3 exceeds the standard, and the control and safety are disabled. The cooktop 01 described above may also include a cooktop insulation assembly 02 as shown in fig. 5. The cooker heat insulation component 02 can comprise a heat insulation plate 2 and an adhesive tape 1. As shown in fig. 6, the heat insulating plate 2 is positioned in the bottom case 100 along the x direction for being connected to the bottom case 100 and isolating the combustion apparatus 3 from the control apparatus 5.

In some embodiments of the present application, the cooking range 01 further comprises a pulse igniter 4 connected to the combustion device 3, and the control device 5 is connected to the pulse igniter 4. As shown in fig. 6, the heat insulation plate 2 may be transversely disposed in the accommodating cavity of the bottom case 100 along the x direction, so that the accommodating cavity may be divided into a first cavity and a second cavity, the pulse igniter 4 and the control device 5 are located in the first cavity, and the combustion device 3 is located in the second cavity.

Thus, the pulse igniter 4 and the control device 5 are isolated, so that the influence of the high temperature of the combustion device 3 can be reduced, the service life of the pulse igniter 4 and the control device 5 can be prolonged, and the use cost can be saved.

Based on the basis, the adhesive tape 1 is adopted to be matched with the heat insulation plate 2 to isolate the combustion device 3 from the control device 5, so that the condition that high-temperature air cannot directly contact the control device 5 is ensured, and the influence of the temperature of the combustion device 3 on the control device 5 is reduced. The adhesive tape 1 provided by the embodiment can be made of a high-temperature-resistant flexible material such as high-temperature-resistant rubber, high-temperature-resistant soft plastic or high-temperature-resistant oily sealing cloth. In some embodiments of this application, this adhesive tape 1 adopts high temperature resistant rubber material, because adhesive tape 1 is flexible structure, laminating heat insulating board 2 and panel 200 that can be inseparable further strengthen the isolation effect of high temperature air.

In some embodiments of the present disclosure, as shown in fig. 7, for example, the heat insulation board body 22 may be integrated with the bottom case 100 and prefabricated from the factory, which has the advantage of no need of using other fixing members or fixing methods for connection, thereby saving subsequent material cost. The heat shield 2 may also be connected to the bottom case 100 by welding, for example, to both side walls of the receiving cavity of the bottom case 100. Or, connected to the bottom of the receiving cavity of the bottom case 100.

In other embodiments of the present application, the heat insulation plate 2 may be movably connected to the bottom case 100, for example, the heat insulation plate 2 and the bottom case 100 are fixed by bolts, which has the advantages that the original processing manner of the bottom case 100 does not need to be changed, only fixing holes for the bolts to pass through need to be left on the heat insulation plate 2, and then the heat insulation plate 2 is fixed on the bottom case 100, so that the detachment and installation are simple and convenient.

The specific structure of the above-mentioned heat insulation board 2 is exemplified below, for example, in some embodiments of the present application, as shown in fig. 8, the heat insulation board 2 includes a strip fixing plate 21 and a heat insulation board body 22. One end of the heat insulation board body 22 is connected to the adhesive tape fixing plate 21, and the other end of the heat insulation board body 22 is connected to the bottom case 100. The adhesive tape fixing plate 21 is connected to the adhesive tape 1. As shown in fig. 9, the heat insulation board body 22 is arranged to intersect with the adhesive tape fixing plate 21.

In some embodiments of the present application, for example, as shown in fig. 10, the cross is arranged as a cross, that is, the structure in the direction a is the adhesive tape fixing plate 21, and the structure in the direction vertical to the direction B is the heat insulation plate body 22, so as to ensure that the height of the sealing structure 11 after the adhesive tape 1 is installed is higher than the top of the heat insulation plate body 22. If the thermal insulation board body 22 is higher than the sealing structure 11, the thermal insulation board body 22 will be abutted against the lower side of the panel 200 first, and since the panel 200 may be made of glass, if the panel 200 is in direct hard contact with the panel 200, the panel 200 may be damaged when vibration is generated, and thus, under the above circumstances, certain requirements are imposed on the height of the thermal insulation board body 22 and the sealing structure 11.

In other embodiments of the present application, for example, as shown in fig. 11, the intersection is arranged to be L-shaped, that is, the structure in the direction a is the adhesive tape fixing plate 21, the structure in the direction vertical to the direction B is the heat insulation board body 22, because the top of the heat insulation board body 22 is flush with the height of the adhesive tape fixing plate 21, there is no height difference, and it is only necessary to connect the adhesive tape fixing plate 21 and the fixing structure 12 to ensure that the sealing structure 11 abuts against the panel 200 first.

The above-mentioned strip 1 is exemplified below, for example, in some embodiments of the present application, as shown in fig. 12, the strip 1 comprises a sealing structure 11 and a fixing structure 12; wherein the sealing structure 11 is used for abutting against the surface of the panel 200 facing the bottom case 100; the side of the sealing structure 11 remote from the panel 200 is connected to a fixing structure 12, which fixing structure 12 is intended to be connected to the insulating panel 2.

In some embodiments of the present application, the adhesive tape fixing plate 21 may be connected to the fixing structure 12 by a metal clip connector or may be fixed by an auxiliary fixing device such as an adhesive, although the present invention is not limited thereto, and the adhesive tape fixing plate 21 mentioned in this embodiment may also be movably connected to the fixing structure 12.

The above-mentioned movable connection of the fixing structure 12 is exemplified below, and as shown in fig. 13, the fixing structure 12 includes a fixing claw 121 and a supporting claw 122, the fixing claw 121 is connected to a side of the sealing structure 11 away from the panel 200, and a groove is formed between the fixing claw 121 and the sealing structure 11, and the groove is used for accommodating at least part of the adhesive tape fixing plate 21. One end of the support claw 122 is connected to a side of the sealing structure 11 away from the panel 200, and the other end of the support claw 122 abuts against the heat shield body 22.

As shown in FIG. 14, since the groove is used in the present embodiment to accommodate the strip fixing plate 21, the metal clip and the glue used in the conventional fixing are omitted, and the cost of raw materials and production is reduced. The groove of the rubber strip 1 in the embodiment wraps the rubber strip fixing plate 21 on the heat insulation plate 2 to realize the primary fixing effect. The supporting claws 122 abut against the heat insulation board body 22 due to the elastic force, so that the supporting claws 122 have the effect of increasing the fixing effect of pressing the heat insulation board body 22 by the reverse elastic force.

In some embodiments of the present application, the fixed jaw 121 and the supporting jaw 122 are respectively located at two sides of the heat shield body 22, the fixed jaw 121 is close to the combustion device 3, and the supporting jaw 122 is close to the control device 5, although the present invention is not limited to the positions of the fixed jaw 121 and the supporting jaw 122 as the only limitations, and the fixed jaw 121 may be close to the control device 5, and the supporting jaw 122 may be close to the combustion device 3.

If the movable connection mentioned in the above fig. 5 is adopted, the user can replace the adhesive tape 1 after long-time use, and if the adhesive tape 1 and the heat insulation board 2 are bonded together, the whole adhesive tape 1 and the heat insulation board 2 need to be replaced during replacement, which is very inconvenient, so that the movable connection is considered for a long time, and the use cost of the user is indirectly saved.

For example, in some embodiments of the present application, the cross-sectional shape of the sealing structure 11 may be a polygonal structure such as a circle, a square, a trapezoid, and the like, and the sealing structure 11 may also be a hollow structure, or of course, may also be a solid structure. When the sealing structure 11 is a hollow structure, the hollow structure can be opened or closed, and if the hollow structure is a closed middle hollow structure, the inner hollow structure has air, so the elasticity of the hollow structure is better than that of the opened structure, and the opened hollow structure is softer and easier to attach. For example, in some embodiments of the present application, the cross-sectional shape of the sealing structure 11 may be circular, with a through hole opened in the middle thereof, to form a structure with a circular cross-section in fig. 12, i.e., a hollow circular structural ring as explained below.

In some embodiments of the present application, the sealing structure 11 may be a hollow circular structure ring, which not only can save material cost, but also can enhance elasticity thereof, and the extrusion force of the panel 200 can be transmitted to the fixing claw 121, thereby achieving the structural effect of fixing again on the adhesive tape fixing plate 21, because the adhesive tape 1 itself adopts high temperature resistant rubber, thereby having a certain resilience, thereby closely attaching to the panel 200 and the heat insulation plate 2, thereby enhancing the sealing performance between the panel 200 and the heat insulation plate 2, and enhancing the heat insulation effect.

In other embodiments of the present application, the sealing structure 11 may have other shapes, for example, a U-shaped cross section, the opening of which is attached to the panel 200, or an inclined plate with elasticity, and the movable end may abut against the lower side of the upper panel 200. Therefore, it is sufficient that the flexible seal can be brought into contact with the lower side of the panel 200 to function as a flexible seal. In other embodiments of the present application, the sealing structure 11 and the panel 200 may be adhered by glue, but the abutting manner of the present application saves manufacturing materials, saves installation procedures, and is safe and reliable.

In the description herein, particular features, structures, materials, or characteristics may be combined in any suitable manner in any one or more embodiments or examples.

The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present invention, and all the changes or substitutions should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the appended claims.

Claims (10)

1. The stove heat insulation assembly is characterized by being applied to a stove, wherein the stove (01) comprises a bottom shell (100), a panel (200) arranged on the bottom shell (100), and a combustion device (3) and a control device (5) which are positioned in the bottom shell (100); the cooktop insulating assembly (02) comprises:

the heat insulation plate (2) is positioned in the bottom shell (100) and is used for being connected with the bottom shell (100) and isolating the combustion device (3) from the control device (5);

the rubber strip (1), the rubber strip (1) comprises a sealing structure (11) and a fixing structure (12); wherein the sealing structure (11) is used for abutting with the surface of the panel (200) facing the bottom case (100); one side, far away from the panel (200), of the sealing structure (11) is connected with the fixing structure (12), and the fixing structure (12) is used for being connected with the heat insulation plate (2).

2. Hob insulation assembly according to claim 1, characterized in that the insulation panel (2) comprises:

the adhesive tape fixing plate (21) is connected with the fixing structure (12); and the number of the first and second groups,

the heat insulation plate body (22) is arranged in a crossed mode with the adhesive tape fixing plate (21), one end of the heat insulation plate body (22) is connected with the adhesive tape fixing plate (21), and the other end of the heat insulation plate body (22) is connected with the bottom shell (100).

3. Hob insulation assembly according to claim 2, characterized in that said fixing structure (12) comprises:

a holding claw (121) connected to a side of the sealing structure (11) remote from the panel (200), the holding claw (121) and the sealing structure (11) having a recess therebetween for receiving at least a portion of the adhesive tape holding plate (21), and,

one end of the supporting claw (122) is connected with one side, far away from the panel (200), of the sealing structure (11), and the other end of the supporting claw (122) is abutted to the heat insulation plate body (22).

4. The cooking hob insulation assembly according to claim 3, characterized in that the fixing claw (121) and the supporting claw (122) are respectively located at both sides of the insulation board body (22), and the fixing claw (121) is close to the combustion device (3) and the supporting claw (122) is close to the control device (5).

5. Hob insulation assembly according to claim 1, characterized in, that the cross sectional shape of the sealing structure (11) is circular, square or trapezoidal.

6. Hob insulation assembly according to claim 5, characterized in that the sealing structure (11) is a hollow structure.

7. A hob, characterized by comprising a bottom shell (100), a panel (200) mounted on the bottom shell (100), a combustion device (3) located inside the bottom shell (100), a control device (5), and a hob insulation assembly (02) according to any one of claims 1 to 6;

the heat insulation plate (2) in the stove heat insulation assembly (02) isolates the combustion device (3) from the control device (5).

8. Hob according to claim 7, characterized in that said hob (01) further comprises a pulse igniter (4) connected to said combustion device (3), said control device (5) being connected to said pulse igniter (4);

the bottom shell (100) is divided into a first cavity and a second cavity by the heat insulation plate (2), the pulse igniter (4) and the control device (5) are located in the first cavity, and the combustion device (3) is located in the second cavity.

9. Hob according to claim 7 or 8, characterized in that said combustion means (3) comprise:

the furnace end (31) is arranged on the bottom shell (100) and is communicated with an air inlet pipeline;

the liquid containing disc (32) is arranged at the mounting opening (201) formed in the panel (200);

the pot support (33) is arranged on the liquid containing disc (32);

the burner (34) is arranged in the middle of the pot bracket (33) and is connected with the furnace end (31);

the anti-dry-burning inner fire cover (35) is arranged on the furnace end (31) and is positioned in the middle of the combustor (34); and the number of the first and second groups,

a temperature sensing probe (36) provided on the burner (34) for detecting a temperature;

the control device (5) comprises:

a proportional valve (51);

a coding switch (52), the air inlet pipeline is communicated with the burner (31) through the proportional valve (51) and the coding switch (52);

a first knob (53) connected to the coding switch (52) and located above the panel (200); and the number of the first and second groups,

and a display control unit (54) connected to the encoder switch (52) and the temperature sensing probe (36), wherein a display panel corresponding to the display control unit (54) is located on the panel (200).

10. Hob according to claim 7 or 8, characterized in that,

the combustion device (3) comprises:

the furnace end (31) is arranged on the bottom shell (100) and is communicated with an air inlet pipeline;

the liquid containing disc (32) is arranged at the mounting opening (201) formed in the panel (200);

the pot support (33) is arranged on the liquid containing disc (32);

the burner (34) is arranged in the middle of the pot bracket (33) and is connected with the furnace end (31); and the number of the first and second groups,

the inner fire cover (37) is arranged on the furnace end (31) and is positioned in the middle of the combustor (34);

the control device (5) comprises:

a mechanical valve (55), the air intake line communicating with the burner (31) via the mechanical valve (55); and the number of the first and second groups,

a second knob (56) connected to the mechanical valve (55).

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