Cooking equipment

Abstract

The utility model provides cooking equipment, including: cooking main part, cover plate, pipe body, first heat conductor, heating element and second heat conductor, cooking main part includes cavity plate, cover plate and cavity plate are connected, cover plate and cavity plate form the accommodation cavity, pipe body and first heat conductor are located in the accommodation cavity, pipe body and cavity plate fit with first heat conductor. The heating piece is located in the pipe body, the pipe body is filled with the second heat conductor, and the second heat conductor separates the heating piece and the pipe body so that the heating piece and the pipe body can be insulated.

Description

Technical Field

[0001] The utility model relates to the technical field of cooking equipment, in particular to a cooking equipment. Background Art

[0002] Baking equipment usually uses heating tubes to heat the oven cavity. It is difficult for the heating tubes to heat the food evenly, resulting in poor cooking effect of the food. Therefore, how to improve the uniformity of heating of the food by the baking equipment has become an urgent problem to be solved. Utility Model Content

[0003] The utility model aims to solve one of the technical problems existing in the prior art or related technology.

[0004] In view of this, the utility model proposes a cooking device, comprising: a cooking body, the cooking body comprising a cavity plate; a cover plate, connected to the cavity plate, forming a receiving cavity between the cover plate and the cavity plate; a tube body, located in the receiving cavity; a first heat conductor, located in the receiving cavity, fitted with the tube body and the cavity plate; a heating element, located in the tube body; a second heat conductor, filled in the tube body, the second heat conductor separating the heating element and the tube body to insulate the heating element and the tube body.

[0005] The cooking body is usually provided with a cooking cavity, in which the ingredients are placed, and a cavity plate is a plate body that encloses the cooking cavity. For example, the cavity plate can be a cavity top plate or a cavity side plate. The cover plate is installed on the cavity plate, and the space between the cover plate and the cavity plate is a receiving cavity. The tube body can be installed in the receiving cavity. A first heat conductor is arranged in the receiving cavity. The tube body and the cavity plate are both in contact with the first heat conductor. The first heat conductor serves as a heat conduction medium between the tube body and the cavity plate. The tube body can transfer heat to the cavity plate through the first heat conductor. A heating element and a second heat conductor are arranged in the tube body. The heating element and the tube body are both in contact with the second heat conductor. The second heat conductor serves as a heat conduction medium between the heating element and the tube body. The heating element can transfer heat to the tube body through the second heat conductor.

[0006] When the heating element is energized, the heating element generates heat, which is transferred to the tube body through the second heat conductor, and the heat of the tube body is transferred to the cavity plate through the first heat conductor. The cavity plate can radiate heat toward the cooking cavity, thereby heating the food. For the food in the cooking cavity, the cavity plate serves as a heating component, and the cavity plate can heat the food through the entire end surface, thereby forming a flat grilling effect, which is beneficial to uniform heating of the food, thereby helping to improve the cooking effect of the food.

[0007] The second heat conductor serves as an insulating component between the heating element and the tube body, and electrical connection problems are not likely to occur between the heating element and the tube body. Therefore, when the heating element is energized, even if the heating element has a leakage problem, the current is not likely to be transmitted to the tube body. Since the tube body is installed on the cover plate, the cover plate is not likely to be affected by the leakage of the heating element. During the cooking process, the problem of electric shock to the user is avoided, thereby ensuring the safety of the user's use of the cooking equipment.

[0008] The heating element is fixed in the tube body by the second heat conductor, so that the heating element can be pre-installed in the tube body. The heating element, the second heat conductor and the tube body can be used as a whole. The above-mentioned overall structure can be directly installed on the cover plate without the need for other operations such as insulation, which is conducive to improving the installation convenience of the cooking equipment.

[0009] In addition, the cooking device in the above technical solution provided by the utility model may also have the following additional technical features:

[0010] In some technical solutions, optionally, a limiting portion is provided on the cover plate, the tube body is connected to the limiting portion, and the limiting portion is used to limit the tube body.

[0011] A limiting part is provided on the cover plate, and when the tube body is connected to the cover plate, the tube body cooperates with the limiting part, so that the limiting part limits the tube body, thereby preventing the tube body from moving relative to the cover plate, and ensuring the installation stability of the tube body. Since the heating element is embedded in the tube body, when the tube body is stably installed, the heating element is not prone to movement, thereby preventing the circuit of the heating element from breaking, and ensuring the structural stability of the heating element and the power supply circuit.

[0012] In some technical solutions, optionally, the limiting portion includes a mounting hole, and a portion of the tube body is passed through the mounting hole.

[0013] The cover plate is provided with a mounting hole, which serves as a limiting structure for the tube body. When the tube body is installed on the cover plate, the end of the tube body is passed through the mounting hole, and the mounting hole limits the movement of the tube body relative to the cover plate, thereby ensuring the installation stability of the tube body.

[0014] In a possible application, the middle of the tube body is wider and the ends of the tube body are narrower, so that the ends of the tube body can pass through the mounting hole but the middle of the tube body cannot, thereby limiting the separation of the tube body from the cover plate.

[0015] In some technical solutions, optionally, the first heat conductor includes: a first magnesium oxide heat conductor or a first aluminum oxide heat conductor; and / or the second heat conductor includes: a second magnesium oxide heat conductor or a second aluminum oxide heat conductor.

[0016] The second heat conductor can be obtained by processing magnesium oxide or aluminum oxide. Both magnesium oxide and aluminum oxide are insulating, preventing the heating element from being electrically connected to the tube body. Moreover, magnesium oxide and aluminum oxide also have good thermal conductivity, so that the heating element can efficiently transfer heat to the tube body.

[0017] Similarly, the first heat conductor can be obtained by processing magnesium oxide or aluminum oxide. Both magnesium oxide and aluminum oxide are insulating, preventing the tube body from being electrically connected to the cavity plate. Moreover, magnesium oxide and aluminum oxide also have good thermal conductivity, so that the tube body can efficiently transfer heat to the cavity plate.

[0018] In some technical solutions, optionally, the cover plate includes: a heat-insulating cover plate; or the cooking device further includes: a heat-insulating layer located between the cover plate and the first heat conductor.

[0019] The cover plate can be made of thermal insulation material so that the cover plate has good thermal insulation performance. The heat in the accommodating cavity is not easy to dissipate outwards through the cover plate. Therefore, the heat in the accommodating cavity will be transferred outwards through the cavity plate, ensuring that most of the heat of the heating element can be transferred to the cavity plate, thereby efficiently heating the food in the cooking cavity, avoiding heat waste and improving energy utilization.

[0020] Alternatively, when the thermal insulation performance of the cover is poor, an insulation layer can be filled between the cover and the first heat conductor. The insulation layer limits the first heat conductor from transferring heat to the cover, and most of the heat from the heating element can be transferred to the cavity plate, thereby efficiently heating the food in the cooking cavity, avoiding heat waste and improving energy utilization.

[0021] In some technical solutions, optionally, the cooking body has a cooking cavity, the first side of the accommodating cavity is close to the cooking cavity, and the second side of the accommodating cavity is away from the cooking cavity; the distance between the tube body and the first side of the accommodating cavity is smaller than the distance between the tube body and the second side of the accommodating cavity.

[0022] The distance between the tube body and the first side of the accommodating cavity is small, and the distance between the tube body and the second side of the accommodating cavity is large. Therefore, the tube body is closer to the first side of the accommodating cavity, and the first side of the accommodating cavity is close to the cooking cavity, so the tube body is also close to the cooking cavity. The distance between the tube body and the cavity plate is small, so that the heat conduction path between the tube body and the cavity plate is short. The tube body can quickly transfer heat to the cavity plate, which is beneficial to improve the thermal conductivity efficiency, thereby improving the heating efficiency of the food.

[0023] In some technical solutions, optionally, the first side of the first heat conductor is arranged opposite to the first side of the cavity plate, the area of ​​the first side of the first heat conductor is S1, the area of ​​the first side of the cavity plate is S2, and S1 and S2 satisfy that S1≥0.5×S2.

[0024] The first side of the first heat conductor faces the cavity plate, the first side of the cavity plate faces the first heat conductor, and when the area of ​​the first side of the first heat conductor and the area of ​​the first side of the cavity plate satisfy S1≥0.5×S2, more than half of the area of ​​the first side of the cavity plate is covered by the first heat conductor. On this basis, a larger contact area is provided between the first heat conductor and the cavity plate, which is beneficial to improving the heat exchange efficiency between the first heat conductor and the cavity plate.

[0025] In some technical solutions, optionally, a heat radiation coating is provided on the cavity plate, and the heat radiation coating is located on a side of the cavity plate away from the first heat conductor.

[0026] A heat radiation coating is provided on the side of the cavity plate facing the cooking cavity. The heat radiation coating can protect the side of the cavity plate facing the cooking cavity and improve the anti-oxidation performance of the cavity plate surface.

[0027] In some technical solutions, optionally, the thermal radiation coating is integrally formed on the cavity plate; or the thermal radiation coating is sprayed on the cavity plate.

[0028] The thermal radiation coating and the cavity plate are an integrated structure. In this case, the thermal radiation coating is not easily separated from the cavity plate, which is beneficial to improving the structural stability of the thermal radiation coating.

[0029] Of course, the heat radiation coating can also be formed on the cavity plate by spraying.

[0030] In some technical solutions, optionally, the thermal radiation coating includes: a ferrosoferric oxide coating.

[0031] The ferroferric oxide coating can enhance the surface strength of the cavity plate, improve the wear resistance and oxidation resistance of the cavity plate, and can also make the cavity plate have certain anti-corrosion properties, thereby ensuring the structural stability of the cavity plate.

[0032] Additional aspects and advantages of the present invention will become apparent in the following description or will be understood through practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0033] The above and / or additional aspects and advantages of the present invention will become apparent and easily understood from the description of the embodiments in conjunction with the following drawings, in which:

[0034] Figure 1 A schematic diagram showing the structure of a cooking device in an embodiment of the utility model is shown;

[0035] Figure 2 A partial schematic diagram of a cooking device in an embodiment of the utility model is shown;

[0036] Figure 3A schematic diagram showing the structure of the cavity plate, the cover plate, the tube body and the heating element in the embodiment of the utility model is shown;

[0037] Figure 4 Shows Figure 3 Cross-sectional view along the AA direction.

[0038] Reference numerals:

[0039] 100 cooking body, 110 cavity plate, 120 cooking cavity, 200 cover plate, 210 accommodating cavity, 220 limiting part, 300 tube body, 400 first heat conductor, 500 heating element, 600 second heat conductor, 700 heat insulation layer, 800 heat radiation coating, 900 door body. DETAILED DESCRIPTION

[0040] In order to more clearly understand the above-mentioned purpose, features and advantages of the utility model, the utility model is further described in detail below in conjunction with the accompanying drawings and specific implementation methods. It should be noted that the embodiments of the present application and the features in the embodiments can be combined with each other without conflict.

[0041] In the following description, many specific details are set forth to facilitate a full understanding of the present invention. However, the present invention may also be implemented in other ways different from those described herein. Therefore, the protection scope of the present invention is not limited to the specific embodiments disclosed below.

[0042] Refer to the following Figures 1 to 4 The cooking device provided according to some embodiments of the present invention is described.

[0043] Combination Figure 1 , Figure 2 and Figure 4 As shown, in an embodiment of the present utility model, a cooking device is proposed, comprising: a cooking body 100, a cover plate 200, a tube body 300, a first heat conductor 400, a heating element 500 and a second heat conductor 600. The cooking body 100 comprises a cavity plate 110, the cover plate 200 is connected to the cavity plate 110, a receiving cavity 210 is formed between the cover plate 200 and the cavity plate 110, the tube body 300 and the first heat conductor 400 are located in the receiving cavity 210, and the tube body 300 and the cavity plate 110 are in contact with the first heat conductor 400. The heating element 500 is located in the tube body 300, the second heat conductor 600 is filled in the tube body 300, and the second heat conductor 600 is spaced between the heating element 500 and the tube body 300 to insulate the heating element 500 and the tube body 300.

[0044] The cooking body 100 is usually provided with a cooking cavity 120, in which food is placed, and the cavity plate 110 is a plate body surrounding the cooking cavity 120, for example, the cavity plate 110 can be a cavity top plate or a cavity side plate. The cover plate 200 is installed on the cavity plate 110, and the space between the cover plate 200 and the cavity plate 110 is a receiving cavity 210. The tube body 300 can be installed in the receiving cavity 210, and a first heat conductor 400 is arranged in the receiving cavity 210. The tube body 300 and the cavity plate 110 are both in contact with the first heat conductor 400. The first heat conductor 400 serves as a heat conduction medium between the tube body 300 and the cavity plate 110, and the tube body 300 can transfer heat to the cavity plate 110 through the first heat conductor 400. A heating element 500 and a second heat conductor 600 are arranged in the tube body 300. The heating element 500 and the tube body 300 are both in contact with the second heat conductor 600. The second heat conductor 600 serves as a heat conduction medium between the heating element 500 and the tube body 300. The heating element 500 can transfer heat to the tube body 300 through the second heat conductor 600.

[0045] When the heating element 500 is powered on, the heating element 500 generates heat, and the heat of the heating element 500 is transferred to the tube body 300 through the second heat conductor 600. The heat of the tube body 300 is transferred to the cavity plate 110 through the first heat conductor 400. The cavity plate 110 can radiate heat toward the cooking cavity 120, thereby heating the food. For the food in the cooking cavity 120, the cavity plate 110 serves as a heating component. The cavity plate 110 can heat the food through the entire end surface, thereby forming a flat grilling effect, which is beneficial to uniform heating of the food, thereby helping to improve the cooking effect of the food.

[0046] The second heat conductor 600 serves as an insulating component between the heating element 500 and the tube body 300. It is not easy for the heating element 500 and the tube body 300 to have electrical connection problems. Therefore, when the heating element 500 is powered on, even if the heating element 500 has a leakage problem, the current is not easily transmitted to the tube body 300. Since the tube body 300 is installed on the cover plate 200, the cover plate 200 is not easily affected by the leakage of the heating element 500. During the cooking process, the problem of electric shock to the user is avoided, thereby ensuring the safety of the user in using the cooking device.

[0047] The heating element 500 is fixed in the tube body 300 through the second heat conductor 600, so that the heating element 500 can be pre-installed in the tube body 300. The heating element 500, the second heat conductor 600 and the tube body 300 can be used as a whole. The above-mentioned overall structure can be directly installed on the cover plate 200 without the need for other operations such as insulation, which is conducive to improving the installation convenience of the cooking equipment.

[0048] The cooking device further includes a door body 900 , which is connected to the cooking body 100 , and the door body 900 is used to open or close the cooking body 100 .

[0049] In a possible application, the cavity plate 110 in this embodiment may be a top plate or a side plate of the cooking cavity 120 .

[0050] Combination Figure 2 and Figure 3 As shown, in some embodiments, optionally, a limiting portion 220 is provided on the cover plate 200 , and the tube body 300 is connected to the limiting portion 220 , and the limiting portion 220 is used to limit the tube body 300 .

[0051] The limit part 220 is provided on the cover plate 200. When the tube body 300 is connected to the cover plate 200, the tube body 300 cooperates with the limit part 220, so that the limit part 220 limits the tube body 300, thereby preventing the tube body 300 from moving relative to the cover plate 200, and ensuring the installation stability of the tube body 300. Since the heating element 500 is embedded in the tube body 300, when the tube body 300 is stably installed, the heating element 500 is not likely to move, thereby preventing the circuit of the heating element 500 from being broken, and ensuring the structural stability of the heating element 500 and the power supply circuit.

[0052] In some embodiments, optionally, the limiting portion 220 includes a mounting hole, and a portion of the tube body 300 is passed through the mounting hole.

[0053] The cover plate 200 is provided with a mounting hole, which serves as a limiting structure for the tube body 300. When the tube body 300 is mounted on the cover plate 200, the end of the tube body 300 is passed through the mounting hole, and the mounting hole limits the movement of the tube body 300 relative to the cover plate 200, thereby ensuring the installation stability of the tube body 300.

[0054] In a possible application, the middle width of the tube body 300 is larger, and the end width of the tube body 300 is smaller, so that the end of the tube body 300 can pass through the mounting hole, and the middle of the tube body 300 cannot pass through the mounting hole, thereby limiting the separation of the tube body 300 from the cover plate 200.

[0055] In other embodiments, other structures may be used to limit the tube body 300 . For example, limiting ribs are provided inside the cover plate 200 , and the tube body 300 is overlapped on the limiting ribs, thereby limiting the tube body 300 .

[0056] In some embodiments, optionally, the first heat conductor 400 includes: a first magnesium oxide heat conductor or a first aluminum oxide heat conductor; and / or the second heat conductor 600 includes: a second magnesium oxide heat conductor or a second aluminum oxide heat conductor.

[0057] The second heat conductor 600 can be obtained by processing magnesium oxide or aluminum oxide. Both magnesium oxide and aluminum oxide are insulating and prevent the heating element 500 from being electrically connected to the tube body 300. Moreover, magnesium oxide and aluminum oxide also have good thermal conductivity, so that the heating element 500 can efficiently transfer heat to the tube body 300.

[0058] Similarly, the first heat conductor 400 can be obtained by processing magnesium oxide or aluminum oxide. Both magnesium oxide and aluminum oxide are insulating, preventing the tube body 300 from being electrically connected to the cavity plate 110. Moreover, magnesium oxide and aluminum oxide also have good thermal conductivity, so that the tube body 300 can efficiently transfer heat to the cavity plate 110.

[0059] In some embodiments, optionally, the cover plate 200 includes: a heat-insulating cover plate; or Figure 4 As shown, the cooking device further includes: a heat preservation layer 700 , and the heat preservation layer 700 is located between the cover plate 200 and the first heat conductor 400 .

[0060] The cover plate 200 can be made of thermal insulation material so that the cover plate 200 has good thermal insulation performance. The heat in the accommodating cavity 210 is not easy to dissipate outward through the cover plate 200. Therefore, the heat in the accommodating cavity 210 will be transferred outward through the cavity plate 110, ensuring that most of the heat of the heating element 500 can be transferred to the cavity plate 110, so that the food in the cooking cavity 120 can be efficiently heated, avoiding heat waste and improving energy utilization.

[0061] Alternatively, when the thermal insulation performance of the cover plate 200 is poor, an insulation layer 700 can be filled between the cover plate 200 and the first heat conductor 400. The insulation layer 700 limits the first heat conductor 400 from transferring heat to the cover plate 200. Most of the heat of the heating element 500 can be transferred to the cavity plate 110, so that the food in the cooking cavity 120 can be efficiently heated, avoiding heat waste and improving energy utilization.

[0062] Exemplarily, the insulation cover plate may be a phenolic insulation board, a rock wool insulation board, etc. Similarly, the insulation layer may also be made of a phenolic board and a rock wool board.

[0063] Combination Figure 2 , Figure 3 and Figure 4 As shown, in some embodiments, optionally, the cooking body 100 has a cooking cavity 120, a first side of the accommodating cavity 210 is close to the cooking cavity 120, and a second side of the accommodating cavity 210 is away from the cooking cavity 120. The distance between the tube body 300 and the first side of the accommodating cavity 210 is smaller than the distance between the tube body 300 and the second side of the accommodating cavity 210.

[0064] The distance between the tube body 300 and the first side of the accommodating cavity 210 is small, and the distance between the tube body 300 and the second side of the accommodating cavity 210 is large. Therefore, the tube body 300 is closer to the first side of the accommodating cavity 210, and the first side of the accommodating cavity 210 is close to the cooking cavity 120, so the tube body 300 is also close to the cooking cavity 120. The distance between the tube body 300 and the cavity plate 110 is small, so that the heat conduction path between the tube body 300 and the cavity plate 110 is short. The tube body 300 can quickly transfer heat to the cavity plate 110, which is beneficial to improve the thermal conductivity efficiency, thereby improving the heating efficiency of the food.

[0065] In some embodiments, optionally, the first side of the first heat conductor 400 is arranged opposite to the first side of the cavity plate 110, the area of ​​the first side of the first heat conductor 400 is S1, the area of ​​the first side of the cavity plate 110 is S2, and S1 and S2 satisfy that S1≥0.5×S2.

[0066] The first side of the first heat conductor 400 faces the cavity plate 110, and the first side of the cavity plate 110 faces the first heat conductor 400. When the area of ​​the first side of the first heat conductor 400 and the area of ​​the first side of the cavity plate 110 satisfy S1≥0.5×S2, more than half of the area of ​​the first side of the cavity plate 110 is covered by the first heat conductor 400. On this basis, a larger contact area is provided between the first heat conductor 400 and the cavity plate 110, which is beneficial to improving the heat exchange efficiency between the first heat conductor 400 and the cavity plate 110.

[0067] like Figure 4 As shown, in some embodiments, optionally, a heat radiation coating 800 is provided on the cavity plate 110 , and the heat radiation coating 800 is located on a side of the cavity plate 110 away from the first heat conductor 400 .

[0068] A heat radiation coating 800 is disposed on the side of the cavity plate 110 facing the cooking cavity 120 . The heat radiation coating 800 can protect the side of the cavity plate 110 facing the cooking cavity 120 and improve the anti-oxidation performance of the surface of the cavity plate 110 .

[0069] In some embodiments, optionally, the thermal radiation coating 800 is integrally formed on the cavity plate 110 ; or the thermal radiation coating 800 is sprayed on the cavity plate 110 .

[0070] The thermal radiation coating 800 and the cavity plate 110 are an integrated structure. In this case, the thermal radiation coating 800 is not easily separated from the cavity plate 110 , which is beneficial to improving the structural stability of the thermal radiation coating 800 .

[0071] Of course, the thermal radiation coating 800 may also be formed on the cavity plate 110 by spraying.

[0072] In some embodiments, optionally, the thermal radiation coating 800 includes: a ferrosoferric oxide coating.

[0073] The ferroferric oxide coating can enhance the surface strength of the cavity plate 110 , improve the wear resistance and oxidation resistance of the cavity plate 110 , and can also make the cavity plate 110 have certain anti-corrosion performance, thereby ensuring the structural stability of the cavity plate 110 .

[0074] In a possible application, the cavity plate 110 is subjected to surface treatment to obtain an integrally formed ferrosoferric oxide coating.

[0075] In the above embodiment, for the cooking device using the cavity plate 110 for heat radiation, the food is heated in the form of flat grilling, which can make the temperature in the cooking cavity 120 more uniform, making the food in the cooking cavity 120 more delicious. The simpler and more stable flat combustion generator proposed in this embodiment uses a metal stainless steel straight tube as a heat source, first uses a metal tube (tube body 300) to wrap magnesium oxide powder (second heat conductor 600), and then buries the electric heating wire (heating element 500) in the magnesium oxide powder. First, the electric heating wire is insulated and limited, and then the entire metal heating tube is buried in magnesium oxide powder (first heat conductor 400), one side is covered with a stainless steel upper cover plate (cavity plate 110) that has been surface treated to form a ferroferric oxide coating, and the other side is heat-insulated. The electric heating wire heats up and transfers the heat to the magnesium oxide powder next to it, and then to the metal tube. The metal tube heats up and transfers the heat to the surrounding magnesium oxide powder spread into a plane. The heated magnesium oxide powder transfers the heat to the upper cover plate of the cavity, and the heated upper cover plate radiates the heat into the cavity through the ferroferric oxide coating on the surface to heat the food.

[0076] In the present invention, the term "plurality" means two or more than two, unless otherwise clearly defined. The terms "install", "connect", "connect", "fix" and the like should be understood in a broad sense. For example, "connect" can be a fixed connection, a detachable connection, or an integral connection; "connected" can be a direct connection or an indirect connection through an intermediate medium. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to the specific circumstances.

[0077] In the description of this specification, the description of the terms "one embodiment", "some embodiments", "specific embodiments", etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0078] The above description is only the preferred embodiment of the utility model, and is not intended to limit the utility model. For those skilled in the art, the utility model can have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A cooking device, characterized in that: include: A cooking body, the cooking body comprising a cavity plate; A cover plate connected to the cavity plate, wherein a receiving cavity is formed between the cover plate and the cavity plate; A tube body, located in the accommodating cavity; A first heat conductor is located in the accommodating cavity and is in contact with the tube body and the cavity plate; A heating element, located in the tube; The second heat conductor is filled in the tube body, and the second heat conductor separates the heating element and the tube body to insulate the heating element and the tube body.

2. The cooking device according to claim 1, characterized in that: The cover plate is provided with a limiting portion, the tube body is connected to the limiting portion, and the limiting portion is used to limit the position of the tube body.

3. The cooking device according to claim 2, characterized in that: The limiting portion includes a mounting hole, and a portion of the tube body is passed through the mounting hole.

4. The cooking device according to any one of claims 1 to 3, characterized in that: The first heat conductor comprises: a first magnesium oxide heat conductor or a first aluminum oxide heat conductor; and / or The second heat conductor includes: a second magnesium oxide heat conductor or a second aluminum oxide heat conductor.

5. The cooking device according to any one of claims 1 to 3, characterized in that: The cover plate includes: a thermal insulation cover plate; or The cooking device further comprises: a heat-insulating layer located between the cover plate and the first heat conductor.

6. The cooking device according to any one of claims 1 to 3, characterized in that: The cooking body has a cooking cavity, a first side of the accommodating cavity is close to the cooking cavity, and a second side of the accommodating cavity is away from the cooking cavity; The distance between the tube body and the first side of the accommodating cavity is smaller than the distance between the tube body and the second side of the accommodating cavity.

7. The cooking device according to any one of claims 1 to 3, characterized in that: The first side of the first heat conductor is arranged opposite to the first side of the cavity plate, the area of ​​the first side of the first heat conductor is S1, the area of ​​the first side of the cavity plate is S2, and S1 and S2 satisfy that S1≥0.5×S2.

8. The cooking device according to any one of claims 1 to 3, characterized in that: A heat radiation coating is disposed on the cavity plate, and the heat radiation coating is located on a side of the cavity plate away from the first heat conductor.

9. The cooking device according to claim 8, characterized in that The thermal radiation coating is integrally formed on the cavity plate; or The heat radiation coating is sprayed on the cavity plate.

10. The cooking device according to claim 8, characterized in that The thermal radiation coating comprises: a ferroferric oxide coating.

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