CN219331387U - Heating device and cooking appliance - Google Patents

Abstract

The utility model provides a heating device and a cooking appliance. The heating assembly comprises a heating piece, a first cover body and a second cover body, wherein the heating piece is positioned in the shell, the shell can be selectively assembled with the first cover body or the second cover body in a detachable mode, the first cover body assembled on the shell triggers the first mode switch, and the second cover body assembled on the shell triggers the second mode switch. Therefore, the cooking appliance can be in different modes by selectively installing the first cover body or the second cover body to trigger the corresponding mode switch, and the applicability of the cooking appliance is improved. In addition, the cooking appliance can heat and cook food through the heating device, and the mechanism of cooking appliance heating food is simple, helps convenient manufacturing.

Description

Heating device and cooking appliance

Technical Field

The utility model relates to the technical field of electric appliances, in particular to a heating device and a cooking electric appliance.

Background

In recent years, with the development of the technical field of electric appliances, the functions of household appliances are more and more diversified, and novel household appliances such as multifunctional woks, air fryers and the like are emerging. However, the existing home appliances have a single mode of cooking food.

Disclosure of Invention

The embodiment of the utility model provides a heating device and a cooking appliance, which are used for improving at least one technical problem.

The embodiments of the present utility model achieve the above object by the following technical means.

In a first aspect, embodiments of the present utility model provide a heating device, the heating device including a housing, a first mode switch, a second mode switch, and a heating assembly, the first mode switch and the second mode switch being mounted to the housing. The heating assembly comprises a heating piece, a first cover body and a second cover body, wherein the heating piece is positioned in the shell, the shell can be selectively assembled with the first cover body or the second cover body in a detachable mode, the first cover body assembled on the shell triggers the first mode switch, and the second cover body assembled on the shell triggers the second mode switch.

In some embodiments, the first cover includes a first body and a first triggering member connected to each other, and when the first cover is assembled to the housing, the first cover covers the heating member, and the heating member is located in a space enclosed by the first body and the housing, and the first triggering member triggers the first mode switch.

In some embodiments, the first trigger is a magnet and the first mode switch is a magnetic induction switch.

In some embodiments, the housing is provided with an exhaust hole, the first body includes a heat conducting portion and an exhaust portion that are connected, the exhaust portion is provided with an exhaust channel, and when the first cover is assembled to the housing, the heating element is located in a closed space enclosed by the heat conducting portion and the housing, and the exhaust channel is communicated with the exhaust hole.

In some embodiments, the second cover includes a second body and a second triggering member connected to each other, where the second cover covers the heating member when the second cover is assembled to the housing, and the heating member is located in a space enclosed by the second body and the housing, and the second triggering member triggers the second mode switch.

In some embodiments, the second trigger is a magnet and the second mode switch is a magnetic induction switch.

In some embodiments, the second body is provided with a plurality of air outlet holes, the air outlet holes penetrate through two opposite surfaces of the second body, and when the second cover body is assembled on the shell, the air outlet holes are opposite to the heating element.

In some embodiments, the housing is provided with a housing engaging portion, the first cover and the second cover are both provided with a cover engaging portion, the cover engaging portion of the first cover assembled to the housing is detachably engaged with the housing engaging portion, and the cover engaging portion of the second cover assembled to the housing is detachably engaged with the housing engaging portion.

In some embodiments, the heating element comprises a heating fan rotatably positioned within the housing.

In a second aspect, an embodiment of the present utility model provides a cooking appliance, including a pan body and a heating device according to any one of the foregoing embodiments, where the heating device is assembled to the pan body.

In some embodiments, the cooking appliance includes a heating element mounted to a side of the pan facing away from the housing.

According to the heating device and the cooking appliance, the first mode switch and the second mode switch of the heating device are assembled on the shell, and different modes of the heating device can be realized by the first mode switch and the second mode switch. The shell can be selectively and detachably assembled with the first cover body or the second cover body, the first cover body assembled on the shell triggers the first mode switch, and the second cover body assembled on the shell triggers the second mode switch. So, assemble in the casing through changing different covers, be convenient for first lid and second lid can realize the different heating methods of heating device to because first lid and second lid can trigger different mode switches, help heating device can be according to the mode that the cover is corresponded to in the adaptation according to the lid of difference switching fast, be favorable to improving heating device operation's convenience, under heating device is applied to the condition of cooking appliances, help improving cooking appliances service function's variety.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the description of the embodiments will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 shows a schematic structural diagram of a cooking appliance according to an embodiment of the present utility model.

Fig. 2 shows a schematic longitudinal sectional view of the cooking appliance of fig. 1.

Fig. 3 shows a schematic structural diagram of a heating device according to an embodiment of the present utility model.

Fig. 4 shows a schematic structural view of a first cover of the heating device of fig. 3.

Fig. 5 shows a schematic structural view of a second cover of the heating device of fig. 3.

Fig. 6 shows a schematic longitudinal sectional view of the first cover of fig. 4 mounted to a housing.

Detailed Description

In order to make the present utility model better understood by those skilled in the art, the following description of the present utility model will be made in detail with reference to the accompanying drawings in the embodiments of the present utility model. It will be apparent that the described embodiments are only some, but not all, of the embodiments of the utility model. All other embodiments, based on the embodiments of the utility model, which a person skilled in the art would obtain without making any inventive effort, are within the scope of the utility model.

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model.

Referring to fig. 1 and 2 together, the embodiment of the utility model provides a cooking appliance 100, the cooking appliance 100 can cook food, the cooking appliance 100 includes a pot body 20 and a heating device 10, the pot body 20 can be provided with a cooking cavity 21, the cooking cavity 21 can be used for accommodating food, the heating device 10 is assembled on the pot body 20, and the heating device 10 can be used as a heating structure of the cooking appliance 100 to heat the food in the cooking cavity 21. In this way, the cooking appliance 100 can heat and cook food through the heating device 10, and the mechanism of heating food by the cooking appliance 100 is simple, which is helpful for convenient manufacture.

Referring to fig. 2 and 3 together, in some embodiments, the heating device 10 includes a housing 11, a first mode switch 12, a second mode switch 13, and a heating component 14, where the first mode switch 12 and the second mode switch 13 are both assembled on the housing 11, so that the first mode switch 12 and the second mode switch 13 can implement different modes of the heating device 10.

For example, when the first mode switch 12 is turned on, a menu of the cooking appliance 100 may be switched to a cooking mode, and a user may operate the heating device 10 in a corresponding mode by operating the menu. For another example, when the second mode switch 13 is turned on, the menu of the cooking appliance 100 may be switched to the frying mode, and the user may operate the heating device 10 in the corresponding mode by operating the menu. In this way, the first mode switch 12 and the second mode switch 13 can realize different modes of the heating device 10, which is helpful to meet the use requirements of users under different situations.

Referring to fig. 2, 4 and 5, in some embodiments, the heating assembly 14 includes a heating element 141, a first cover 142 and a second cover 143, and the heating element 141 can heat the food in the cooking cavity 21. The heating element 141 is located within the housing 11, so that the housing 11 provides some protection to the heating element 141, helping to avoid damage to the heating element 141.

The housing 11 may be selectively detachably assembled with the first cover 142 or the second cover 143, and the first cover 142 assembled with the housing 11 triggers the first mode switch 12, so that the heating device 10 may switch to a mode of adapting the first cover 142 by installing the first cover 142 to trigger the first mode switch 12; the second cover 143 mounted to the housing 11 triggers the second mode switch 13, and the heating apparatus 10 can be switched to a mode in which the second cover 143 is fitted by mounting the second cover 143 to trigger the second mode switch 13.

So, assemble in casing 12 through changing different covers, be convenient for first lid 142 and second lid 143 can realize heating device 10 different heating methods to because first lid 142 and second lid 143 can trigger different mode switches, help heating device 10 can be according to the mode that the cover is corresponded to in the adaptation according to the lid of difference switching fast, be favorable to improving heating device 10 operation's convenience, under heating device 10 is applied to cooking appliance 100's the circumstances, help improving cooking appliance 100 use function's variety.

In some embodiments, the housing 11 and the first cover 142 or the second cover 143 may be detachably connected by a snap-fit manner, for example, the housing 11 may be provided with a housing engaging portion 112, the first cover 142 and the second cover 143 are provided with cover engaging portions 144, the cover engaging portion 144 assembled to the first cover 142 of the housing 11 is detachably engaged with the housing engaging portion 112, and the cover engaging portion 144 assembled to the second cover 143 of the housing 11 is detachably engaged with the housing engaging portion 112.

The housing engaging portion 112 may be a hole-engaging structure, the cover engaging portion 144 may be a hook-engaging structure, the first cover 142 may be mounted on the housing 11 by engaging the hook on the first cover 142 with the hole-engaging structure, and when the first cover 142 needs to be separated from the housing 11, the hook on the first cover 142 may be separated from the hole-engaging structure to detach the first cover 142 from the housing 11; the second cover 143 can be mounted on the housing 11 by clamping the clamping hook on the second cover 143 in the clamping hole, and when the second cover 143 needs to be separated from the housing 11, the clamping hook on the second cover 143 can be separated from the clamping hole to detach the second cover 143 from the housing 11. In this way, the first cover 142 or the second cover 143 is mounted on the housing 11 in a simple manner, which is helpful for the convenience of the user.

The housing engaging portion 112 may be a hook structure, the cover engaging portion 144 may be a hook hole structure, and the housing 11 may be engaged with the hook to mount the first cover 142 or the second cover 143 to the housing 11; when the housing 11 and the first cover 142 or the housing 11 and the second cover 143 need to be separated, the hook on the housing 11 can be separated from the fastening hole to detach the first cover 142 from the housing 11 or detach the second cover 143 from the housing 11.

In other embodiments, the housing 11 and the first cover 142 or the second cover 143 may be detachably connected by magnetic attraction, fastening, or the like, and may be specifically set according to practical situations.

In some embodiments, the first cover 142 includes a first body 1421 and a first triggering member 1422 that are connected, where the first body 1421 may be adapted to the shape of the housing 11, for example, when the housing 11 is rectangular, the first body 1421 may also be rectangular; for example, when the housing 11 is circular, the first body 1421 may be circular; for another example, when the housing 11 is elliptical, the first body 1421 may be elliptical, which helps ensure the fit between the first body 1421 and the housing 11 when installed.

The first cover 142 may further include a first sealing ring 1426 and a first sealing ring pressing ring 1427, where the first sealing ring 1426 is installed on the first body 1421, and the first sealing ring pressing ring 1427 is annularly disposed on the outer periphery of the first sealing ring 1426, so that the first sealing ring 1426 may seal the opening of the cooking cavity 21, and the first sealing ring pressing ring 1427 may press the first sealing ring 1426, so as to help avoid the first sealing ring 1426 from being released from the first body 1421. In this manner, the first seal ring 1426 and the first seal ring pressing ring 1427 help to avoid heat dissipation in the cooking cavity 21, and help to improve the working efficiency of the cooking appliance 100.

When the first cover 142 is assembled on the housing 11, the heating element 141 is covered on the first cover 142, the heating element 141 is located in a space enclosed by the first body 1421 and the housing 11, the first triggering element 1422 triggers the first mode switch 12, a menu of the cooking appliance 100 can be switched to a cooking mode, and a user can operate the heating device 10 in a corresponding mode by operating the menu, so that the cooking appliance 100 is in the first mode. The heating device 10 of the cooking appliance 100 in the first mode is opposite to the food in the cooking cavity 21, and at this time, the first body 1421 may close the cooking cavity 21, and the heating member 141 may transfer the generated heat to the first cover 142, so as to heat and cook the food in the cooking cavity 21, thereby helping to maintain the normal operation of the cooking appliance 100.

In some embodiments, the first trigger 1422 may be a magnet and the first mode switch 12 may be a magnetic induction switch. When the first cover 142 is assembled on the housing 11, the magnet triggers the magnetic induction switch, and the magnetic induction switch is turned on under the magnetic attraction of the magnet, so that the cooking appliance 100 is in the first mode. The mechanism of the magnet triggering the magnetic induction switch is simple, and the manufacturing cost is saved while the manufacturing is convenient.

In other embodiments, the first triggering member 1422 may be a triggering lever, and the first mode switch 12 may be a micro switch, and when the first cover 142 is assembled to the housing 11, the triggering lever abuts against the micro switch to trigger the micro switch to be turned on. It should be noted that other schemes for triggering the first mode switch 12 by the first triggering member 1422 are also provided.

Referring to fig. 4 and 6 together, in some embodiments, the housing 11 may be provided with the exhaust hole 111, the first body 1421 includes a heat conducting portion 1423 and an exhaust portion 1424 connected to each other, the heat conducting portion 1423 may transfer heat generated by the heating element 141 into the cooking cavity 21, and the exhaust portion 1424 facilitates exhausting steam in the cooking cavity 21, thus facilitating the efficient operation of the cooking appliance 100 in the first mode.

Illustratively, the air exhaust portion 1424 is provided with an air exhaust channel 1425, when the first cover 142 is assembled to the housing 11, the cooking apparatus 100 is in the first mode, and the heating element 141 is located in the enclosed space enclosed by the heat conducting portion 1423 and the housing 11, and the air exhaust channel 1425 is in communication with the air exhaust hole 111. When the cooking appliance 100 in the first mode is operated, the heating member 141 and the heat conducting portion 1423 are opposite to food in the cooking cavity 21, and the air exhaust channel 1425 is communicated with the air exhaust hole 111. At this time, the heating element 141 may be operated to transfer the generated heat to the heat conducting portion 1423, so as to heat and cook the food in the cooking cavity 21, and when the food in the cooking cavity 21 is heated to a certain temperature to generate steam, the air exhausting portion 1424 may exhaust the steam in the cooking cavity 21 out of the cooking appliance 100 through the air exhausting hole 111, so as to help to avoid that the steam in the cooking cavity 21 cannot be exhausted and affect the normal operation of the cooking appliance 100 in the first mode.

In some embodiments, the second cover 143 includes a second body 1431 and a second trigger piece 1432 that are connected, where the second body 1431 may be adapted to the shape of the housing 11, for example, when the housing 11 is rectangular, the second body 1431 may also be rectangular; for another example, when the housing 11 is circular, the second body 1431 may be circular; for another example, when the housing 11 is elliptical, the second body 1431 may be elliptical, which helps to ensure the fit of the second body 1431 to the housing 11 when installed.

The second cover 143 may further include a second sealing ring 1434 and a second sealing ring pressing ring 1435, where the second sealing ring 1434 is installed on the second body 1431, and the second sealing ring pressing ring 1435 is annularly disposed on the outer periphery of the second sealing ring 1434, so that the second sealing ring 1434 may seal the opening of the cooking cavity 21, and the second sealing ring pressing ring 1435 may press the second sealing ring 1434, so as to help avoid the second sealing ring 1434 from being released from the second body 1431. In this way, the second sealing ring 1434 and the second sealing ring pressing ring 1435 help to avoid heat dissipation in the cooking cavity 21, and help to improve the working efficiency of the cooking appliance 100.

When the second cover 143 is assembled on the housing 11, the heating element 141 is covered by the second cover 143, the heating element 141 is located in a space surrounded by the second body 1431 and the housing 11, the second trigger element 1432 triggers the second mode switch 13, a menu of the cooking appliance 100 can be switched to an air-frying mode, and a user can operate the heating device 10 in a corresponding mode by operating the menu, so that the cooking appliance 100 is in the second mode. The heating device 10 of the cooking appliance 100 in the second mode is opposite to the food in the cooking cavity 21, and the heating member 141 may transfer the generated heat to the second cover 143, thereby heating and baking the food in the cooking cavity 21, thus helping to maintain the normal operation of the cooking appliance 100.

In some embodiments, the second trigger 1432 is a magnet and the second mode switch 13 is a magnetic induction switch. When the second cover 143 is assembled to the housing 11, the magnet triggers the magnetic induction switch, and the magnetic induction switch is turned on under the magnetic attraction of the magnet, so that the cooking appliance 100 is in the second mode. The mechanism of the magnet triggering the magnetic induction switch is simple, and the manufacturing cost is saved while the manufacturing is convenient.

In other embodiments, the second triggering member 1432 may be a triggering lever, and the second mode switch 13 may be a micro switch, and when the second cover 143 is assembled to the housing 11, the triggering lever abuts against the micro switch to trigger the micro switch to be turned on. It should be noted that other schemes for triggering the second mode switch 13 by the second triggering member 1432 are also provided for protecting the row.

In some embodiments, the second body 1431 is provided with a plurality of air outlet holes 1433, the air outlet holes 1433 penetrate through two opposite surfaces of the second body 1431, when the second cover 143 is assembled to the housing 11, the air outlet holes 1433 are opposite to the heating element 141, and the heating element 141 can transfer heat to food in the cooking cavity 21 through the air outlet holes 1433, so that the cooking appliance 100 in the second mode can work efficiently.

Illustratively, when the second cover 143 is assembled to the housing 11, the cooking appliance 100 is in the second mode, and the heating element 141 and the second body 1431 of the cooking appliance 100 in the second mode are opposite to the food in the cooking cavity 21. The heating member 141 may be operated at this time to transfer the generated heat into the cooking cavity 21 through the air outlet 1433, thereby heating and baking the food in the cooking cavity 21, thus helping to ensure that the cooking appliance 100 in the second mode operates normally.

In some embodiments, the heating member 141 may include a heating fan 1411, the heating fan 1411 being rotatably located within the housing 11. The heating fan 1411 may form the heat generated by the heating structure of the heating assembly 14 into a hot gas stream. Illustratively, the heating assembly 14 may further include an optical tube 1412, the optical tube 1412 being mounted to the housing 11. The light wave tube 1412 can emit high-speed light energy and rapidly generate heat, and transmit the heat to the corresponding cover (the first cover 142 or the second cover 143) through the heating fan 1411, thereby helping to improve the heating efficiency of the heating device 10 and the efficient operation of the cooking appliance 100.

When the first cover 142 is assembled on the housing 11, the cooking appliance 100 is in the first mode, since the heating element 141 is located in the enclosed space surrounded by the heat conducting portion 1423 and the housing 11, the light wave tube 1412 and the heating fan 1411 are spaced from the cooking cavity 21, the light wave tube 1412 can work, the heating fan 1411 is used for conveying heat to the heat conducting portion 1423, so as to heat and cook food in the cooking cavity 21, and when the food in the cooking cavity 21 is heated to a certain temperature to generate steam, the exhaust portion 1424 can exhaust the steam in the cooking cavity 21 out of the cooking appliance 100 through the exhaust hole 111, so that the steam in the cooking cavity 21 cannot be exhausted or enters the heating device 10 to influence the normal operation of the cooking appliance 100 in the first mode.

When the second cover 143 is assembled on the housing 11, the cooking appliance 100 is in the second mode, and the heating element 141 is located in the space surrounded by the second body 1431 and the housing 11, and the second body 1431 is provided with a plurality of air outlets 1433, so that the space where the heating fan 1411 is located and the cooking cavity 21, at this time, the optical waveguide 1412 can work, and heat is transmitted to the cooking cavity 21 through the plurality of air outlets 1433 by the heating fan 1411, so as to heat and bake food in the cooking cavity 21. In addition, the light energy generated by the light wave tube 1412 can be directly transmitted to the food in the cooking cavity 21, and the food is baked by converting the light energy into heat energy, which helps to improve the heating efficiency of the heating device 10 and also helps to ensure the normal operation of the cooking appliance 100 in the second mode.

In other embodiments, the heating fan 1411 may also be self-heating and be capable of forming self-generated heat into a hot gas stream. Illustratively, the heating assembly 14 may also include an electromagnetic coil positioned within the housing 11. The heating fan 1411 may be made of a magnetically conductive material, and the heating fan 1411 is opposite to the electromagnetic coil. Since the electromagnetic coil can generate an alternating magnetic field under the action of alternating current, the heating fan 1411 can cut alternating magnetic lines in the magnetic field generated by the electromagnetic coil to generate vortex current, and the vortex current enables carriers in the heating fan 1411 to move at high speed randomly, and the carriers collide and rub with atoms to generate heat energy, so that the heating fan 1411 generates heat. In this way, the heating fan 1411 can form the heat generated by itself into a hot air flow during rotation, so that the heating fan 1411 can blow out the hot air flow.

In some embodiments, the heating device 10 may further include a motor 16 and a cooling fan 17, where the motor 16 and the cooling fan 17 are both installed in the housing 11, and the cooling fan 17 is installed on a side of the housing 11 facing away from the heating assembly 14. The motor 16 can provide power for the heating device 10 to operate, and the heat dissipation fan 17 can discharge heat generated by the motor 16 and other components out of the housing 11, so that the influence of excessive temperature of the motor 16 and other components on normal operation can be avoided.

In some embodiments, the cooking appliance 100 may further include a heating element 30, the heating element 30 being mounted to a side of the pot 20 facing away from the housing 11. For example, the heating element 30 may be mounted on a side of the pan body 20 facing away from the opening of the cooking cavity 21, and the heating element 30 may be a heating wire, so that the heating element 30 and the heating device 10 may jointly heat food in the cooking cavity 21, thereby helping the cooking appliance 100 to work more efficiently.

When the first cover 142 is assembled to the housing 11, the cooking appliance 100 is in the first mode, the heating device 10 can heat and cook food in the cooking cavity 21 from the opening of the cooking cavity 21, the heating element 30 can heat and cook food in the cooking cavity 21 from the bottom of the cooking cavity 21, and then the heating device 10 and the heating element 30 heat the food in the cooking cavity 21 together, so that the cooking appliance 100 in the first state can work more efficiently.

When the second cover 143 is assembled to the housing 11, the cooking appliance 100 is in the second mode, the heating device 10 can heat and bake the food in the cooking cavity 21 through the air outlet holes 1433, the heating element 30 can heat the food in the cooking cavity 21 from the bottom of the cooking cavity 21, and then the heating device 10 and the heating element 30 heat the food in the cooking cavity 21 together, so that the cooking appliance 100 in the second state can work more efficiently.

In summary, according to the heating device 10 and the cooking appliance 100 provided by the utility model, the first mode switch 12 and the second mode switch 13 of the heating device 10 are both assembled on the housing 11, and the first mode switch 12 and the second mode switch 13 can realize different modes of the heating device 10. The housing 11 may be selectively detachably assembled with the first cover 142 or the second cover 143, the first cover 142 assembled to the housing 11 triggers the first mode switch 12, and the second cover 143 assembled to the housing 11 triggers the second mode switch 13. So, assemble in casing 11 through changing different covers, be convenient for first lid 142 and second lid 143 can realize heating device 10 different heating methods to because first lid 142 and second lid 143 can trigger different mode switches, help heating device 10 can be according to the mode that the cover is corresponded to in the adaptation according to the lid of difference switching fast, be favorable to improving heating device 10 operation's convenience, under heating device 10 is applied to cooking appliance 100's the circumstances, help improving cooking appliance 100 use function's variety.

In the present utility model, the term "assembled" and the like should be construed broadly unless explicitly stated or limited otherwise. For example, the connection can be fixed connection, detachable connection or integral connection; may be a mechanical connection; the connection may be direct, indirect, or internal, or may be surface contact only, or may be surface contact via an intermediate medium. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

Furthermore, the terms "first," "second," and the like, are used merely for distinguishing between descriptions and not for understanding as a specific or particular structure. The description of the term "some embodiments" means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In the present utility model, the schematic representations of the above terms are not necessarily for the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples of the present utility model and features of various embodiments or examples may be combined and combined by those skilled in the art without contradiction.

The above embodiments are only for illustrating the technical solution of the present utility model, and are not limiting thereof; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present utility model, and they should be included in the protection scope of the present utility model.

Claims (11)

1. A heating device, comprising:

a housing;

a first mode switch and a second mode switch, both of which are assembled to the housing; and

the heating assembly comprises a heating piece, a first cover body and a second cover body, wherein the heating piece is positioned in the shell, the shell can be selectively assembled with the first cover body or the second cover body in a detachable mode, the first cover body assembled in the shell triggers the first mode switch, and the second cover body assembled in the shell triggers the second mode switch.

2. The heating device of claim 1, wherein the first cover comprises a first body and a first trigger member connected to each other, the first cover covers the heating member when the first cover is assembled to the housing, the heating member is located in a space surrounded by the first body and the housing, and the first trigger member triggers the first mode switch.

3. The heating device of claim 2, wherein the first trigger is a magnet and the first mode switch is a magnetic induction switch.

4. The heating device according to claim 2, wherein the housing is provided with an exhaust hole, the first body includes a heat conducting portion and an exhaust portion connected to each other, the exhaust portion is provided with an exhaust passage, and when the first cover is assembled to the housing, the heating element is located in a closed space surrounded by the heat conducting portion and the housing, and the exhaust passage is communicated with the exhaust hole.

5. The heating device of claim 1, wherein the second cover comprises a second body and a second triggering member connected to each other, the second cover covers the heating member when the second cover is assembled to the housing, the heating member is located in a space surrounded by the second body and the housing, and the second triggering member triggers the second mode switch.

6. The heating device of claim 5, wherein the second trigger is a magnet and the second mode switch is a magnetic induction switch.

7. The heating device of claim 5, wherein the second body is provided with a plurality of air outlet holes, the air outlet holes penetrate through two opposite surfaces of the second body, and the air outlet holes are opposite to the heating element when the second cover is assembled to the housing.

8. The heating device according to claim 1, wherein the housing is provided with a housing engaging portion, the first cover and the second cover are each provided with a cover engaging portion, the cover engaging portion of the first cover fitted to the housing is detachably engaged with the housing engaging portion, and the cover engaging portion of the second cover fitted to the housing is detachably engaged with the housing engaging portion.

9. The heating device of claim 1, wherein the heating element comprises a heating fan rotatably positioned within the housing.

10. A cooking appliance, comprising:

a pot body; and

the heating device according to any one of claims 1 to 9, which is fitted to the pan body.

11. The cooking appliance of claim 10, comprising a heating element mounted to a side of the pan facing away from the housing.

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