CN113384164B

CN113384164B - Hot air assembly and cooking device

Info

Publication number: CN113384164B
Application number: CN202110745089.4A
Authority: CN
Inventors: 胡广川; 侯邦斌; 张世罡; 林刚; 林章鹏; 林景盛
Original assignee: Midea Group Co Ltd; Guangdong Midea Kitchen Appliances Manufacturing Co Ltd
Current assignee: Midea Group Co Ltd; Guangdong Midea Kitchen Appliances Manufacturing Co Ltd
Priority date: 2021-06-30
Filing date: 2021-06-30
Publication date: 2023-07-14
Anticipated expiration: 2041-06-30
Also published as: CN113384164A

Abstract

The application belongs to kitchen cooking equipment technical field, concretely relates to hot air subassembly and have cooking device of this hot air subassembly. The utility model provides a hot-blast subassembly includes fan housing cover plate, wind scooper, centrifugal fan and deep bead, is equipped with the air intake on the fan housing cover plate, and the wind scooper is formed with the chamber of acceping with the fan housing cover plate is enclosed, and centrifugal fan locates and accepts the chamber and set up relatively with the air intake, and the deep bead is located and is acceptd the chamber outside and set up relatively with the air intake interval. According to the hot air assembly, the air flow speed outside the accommodating cavity can be effectively increased, meanwhile, the wind shields are arranged outside the accommodating cavity and are arranged opposite to the air inlets at intervals, when external air flows into the accommodating cavity through the air inlets, most of oil stains in the external air flow adhere to the wind shields under the blocking effect of the wind shields, so that contamination to the air inlets is avoided, the cleaning of the air inlets is kept, and the circulation speed of air is further guaranteed.

Description

Hot air assembly and cooking device

Technical Field

The application belongs to kitchen cooking equipment technical field, concretely relates to hot air subassembly and have cooking device of this hot air subassembly.

Background

The working principle of the hot air module of the cooking appliances such as the hot air oven, the air fryer and the like is a high-speed air circulation technology, air is heated by a heating pipe in the hot air module, then convection is enhanced in a cavity by utilizing a fan, and rapid flow of the high-temperature air in the closed cavity is accelerated. Therefore, compared with the common barbecue function, the hot air module can improve the cooking efficiency and shorten the cooking time. Particularly, for large food such as roast chicken, the uniformity of heating and coloring of the food can be improved, so that the cooking appliance with the hot air function is accepted and accepted by more users.

The hot air function of the oven is realized mainly by a hot air module of the cavity assembly. The module is mostly arranged at the rear part of the cavity (aiming at the position of the furnace door), and the module is mostly arranged at the bottom or at the left side and the right side of the cavity. The module generally comprises a hot air motor, a metal centrifugal fan blade, a heating pipe, a fan cover plate and other indispensable components. The fan cover plate prevents users from being damaged by fan blades rotating at high speed, and the distribution of air inlets and air outlets on the cover plate can optimize the hot air flow field in the cavity, so that the food surface is heated more uniformly.

The fan housing cover plate of the current hot air module is arranged in the cavity. The dense meshes are arranged on the surface of the air inlet and the air outlet. The oven relies on high temperature heating food, and the in-process can not produce the oil smoke, and because the characteristic of hot-blast self, oil smoke gathers in these mesh circumferences easily. When a user normally uses the hot air oven, dirt is easy to be generated near the meshes, the cleaning is not easy to be carried out, and the meshes densely distributed on the surface of the fan cover plate are directly displayed in the field of view of the user, so that the user can generate the impression of messy difference on the oven cavity, and the impression is not accepted by the user with dense phobia.

Disclosure of Invention

The purpose of this application is to solve the easy problem that produces of air intake department of hot-blast subassembly at least and pollute. This object is achieved by:

a first aspect of the present application proposes a hot air assembly comprising:

the fan cover plate is provided with an air inlet;

the wind scooper and the wind scooper cover plate are surrounded to form a containing cavity;

the centrifugal fan is arranged in the accommodating cavity and is opposite to the air inlet;

the wind shield is arranged outside the accommodating cavity and is opposite to the air inlet at intervals.

According to the hot air assembly, through setting up centrifugal fan in the income chamber that fan housing apron and wind scooper formed, when centrifugal fan operation, the negative pressure that centrifugal fan produced can make the outside air of acceping the chamber get into to acceping the chamber through the air intake to finally discharge acceping the chamber, thereby increase the outside air flow rate of acceping the chamber effectively, simultaneously because the outside of acceping the chamber sets up the deep bead, and set up deep bead and air intake interval relatively, when outside air current enters into acceping the chamber through the air intake, the vast majority oil stain in the outside air current adheres on the deep bead under the blocking effect of deep bead, thereby can not cause the contamination to the air intake, keep the cleanness of air intake department, and then guarantee the circulation rate of air.

In addition, the hot air assembly according to the application can also have the following additional technical characteristics:

in some embodiments of the present application, the projection of the wind deflector onto the hood cover covers the air inlet.

In some embodiments of the present application, the wind deflector is a circular plate, a star plate, a flower plate, a stripe plate, or a hollowed plate.

In some embodiments of the present application, the fan cover plate is further provided with an air outlet, and the air outlet is disposed near the edge of the fan cover plate.

In some embodiments of the present application, the hot air assembly further includes a heating tube, where the heating tube is disposed outside the accommodating cavity or the heating tube is disposed inside the accommodating cavity and is disposed around the outside of the centrifugal fan.

In some embodiments of the present application, the heating tube is a luminescent halogen tube, a graphene tube, or a quartz tube.

In some embodiments of the present application, the hot air assembly further includes a driving motor, a portion of the driving motor is disposed outside the air guiding cover, and an output shaft of the driving motor is inserted into the accommodating cavity and is in transmission connection with the centrifugal fan.

In some embodiments of the present application, the hot air assembly further includes a heat insulation plate, the heat insulation plate is disposed outside the wind scooper, a heat insulation cavity is formed between the heat insulation plate and the wind scooper, and a part of the driving motor is disposed outside the heat insulation cavity and is connected with the heat insulation plate.

In some embodiments of the present application, the wind deflector is fixedly or detachably connected to the hood cover.

Another aspect of the present application further provides a cooking device, the cooking device has any one of the above hot air assemblies, the cooking device further includes a cooking cavity, wherein the cover plate of the hot air assembly is a side plate or a back plate of the cooking cavity, or the air guide cover of the hot air assembly is a side plate or a back plate of the cooking cavity.

Drawings

Various other advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The drawings are only for purposes of illustrating the preferred embodiments and are not to be construed as limiting the application. Also, like reference numerals are used to designate like parts throughout the figures. Wherein:

fig. 1 is a schematic view of a part of the structure of a cooking apparatus according to the present embodiment;

FIG. 2 is a schematic view of the cooking apparatus of FIG. 1 at another angle;

FIG. 3 is a schematic view of the cooking apparatus of FIG. 1 in a front view;

FIG. 4 is a schematic cross-sectional view of the structure A-A of FIG. 3;

FIG. 5 is an enlarged schematic view of the portion B in FIG. 4;

FIG. 6 is a schematic view of the overall structure of the hot air assembly of FIG. 4;

FIG. 7 is an exploded view of the hot air assembly of FIG. 6;

FIG. 8 is a schematic view of the cover plate of the fan housing of FIG. 7;

FIG. 9 is a schematic view of the air guiding cover in FIG. 7;

FIG. 10 is a schematic view of the centrifugal fan of FIG. 7;

FIG. 11 is a schematic view of the thermal insulation plate of FIG. 7;

FIG. 12 is a schematic diagram of the driving motor of FIG. 7;

fig. 13 is a schematic view of the rear cover of fig. 7.

The reference numerals in the drawings are as follows:

1: a cooking device;

10: a hot air assembly;

11: hood cover plate, 111: air inlet, 112: an air outlet;

12: wind scooper, 121: accommodation chamber, 122: first cavity, 123: a second cavity;

13: centrifugal fan, 131: body portion, 132: a fan blade;

14: wind deflector, 141: a connecting column;

15: a heating tube;

16: drive motor, 161: motor body, 162: output shaft, 163: motor support, 164: a blade;

17: thermal insulation board, 171: protrusions, 172: first mounting groove, 173: a second mounting groove;

18: rear cover, 181: a heat radiation hole;

20: cooking cavity, 21: left side plate, 22: and a right side plate.

Detailed Description

Exemplary embodiments of the present application will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the present application are shown in the drawings, it should be understood that the present application may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art.

It is to be understood that the terminology used herein is for the purpose of describing particular example embodiments only, and is not intended to be limiting. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. The terms "comprises," "comprising," "includes," "including," and "having" are inclusive and therefore specify the presence of stated features, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, steps, operations, elements, components, and/or groups thereof. The method steps, processes, and operations described herein are not to be construed as necessarily requiring their performance in the particular order described or illustrated, unless an order of performance is explicitly stated. It should also be appreciated that additional or alternative steps may be used.

Although the terms first, second, third, etc. may be used herein to describe various elements, components, regions, layers and/or sections, these elements, components, regions, layers and/or sections should not be limited by these terms. These terms may be only used to distinguish one element, component, region, layer or section from another region, layer or section. Terms such as "first," "second," and other numerical terms when used herein do not imply a sequence or order unless clearly indicated by the context. Thus, a first element, component, region, layer or section discussed below could be termed a second element, component, region, layer or section without departing from the teachings of the example embodiments.

For ease of description, spatially relative terms, such as "inner," "outer," "lower," "below," "upper," "above," and the like, may be used herein to describe one element or feature's relationship to another element or feature as illustrated in the figures. Such spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "below" or "beneath" other elements or features would then be oriented "above" or "over" the other elements or features. Thus, the example term "below … …" may include both upper and lower orientations. The device may be otherwise oriented (rotated 90 degrees or in other directions) and the spatial relative relationship descriptors used herein interpreted accordingly.

The application provides a cooking device 1, and the cooking device 1 may be an air fryer, a hot air oven or other cooking devices with hot air heating function, and for convenience of description, the embodiment only uses the cooking device 1 as an example of the hot air oven for illustration.

As shown in fig. 1 to 4, the cooking apparatus 1 of the present embodiment includes a cooking cavity 20 and a hot air assembly 10 communicating with the cooking cavity 20, and air in the cooking cavity 20 can flow with acceleration under the action of the hot air assembly 10, so as to increase the air flow speed in the cooking cavity 20, so as to heat food in the cooking cavity 20 more rapidly, and ensure uniform heating of the food in the cooking cavity 20.

As shown in fig. 5 to 7, the hot air assembly 10 of the present embodiment is disposed outside the cooking cavity 20, and includes a fan housing cover 11, a fan housing 12, a centrifugal fan 13 and a wind guard 14, wherein the fan housing cover 11 is provided with an air inlet 111, the fan housing 12 and the fan housing cover 11 are surrounded to form a housing cavity 121, the centrifugal fan 13 is disposed in the housing cavity 121 and is disposed opposite to the air inlet 111, the negative pressure generated during operation of the centrifugal fan 13 can enable the hot air in the cooking cavity 20 to enter the housing cavity 121 through the air inlet 111, and the hot air is discharged back to the cooking cavity 20 after the acceleration of the centrifugal fan 13, thereby effectively increasing the air flow speed of the cooking cavity 20. The wind shield 14 is disposed outside the accommodating cavity 121 and is disposed opposite to the air inlet 111 at intervals, and is used for shielding and adhering most of grease existing in the air inlet airflow, so as to prevent oil stains from polluting the air inlet 111, keep the air inlet 111 clean, and further ensure the circulation speed of hot air in the cooking cavity 20.

Referring to fig. 1 to 4 again, the hood cover 11 of the hot air assembly 10 in this embodiment is a back plate of the cooking cavity 20, an air inlet 111 is provided at a central position of the back plate, and an air outlet 112 is provided at an edge position of the back plate, so that the cooking cavity 20 and the accommodating cavity 121 of the hot air assembly 10 are communicated through the air inlet 111 and the air outlet 112 on the back plate. Through setting up air intake 111 and air outlet 112 interval, can not produce visible intensive hole structure in the backplate central point of cooking cavity 20 to can not influence the visual effect of cooking cavity 20, simultaneously, can prevent effectively that the hot gas flow from taking place the mixing phenomenon between air intake 111 and air outlet 112, influence the normal cycle process of hot gas flow. In other embodiments of the present application, the back plate of the cooking cavity 20 may be further set as the air guiding cover 12 of the hot air assembly 10, and the air cover plate 22 having the air inlet 111 and the air outlet 112 is disposed in the direction of the back plate facing the opening of the cooking cavity 20, so that the hot air assembly 10 can be formed in the cooking device 1, and the circulation speed of the hot air flow of the cooking cavity 20 is accelerated by the hot air assembly 10.

In other embodiments of the present application, the left side plate 21 or the right side plate 22 of the cooking cavity 20 may be set as the air cover plate 11 of the hot air assembly 10, and the air guide cover 12 opposite to the air cover plate 11 is disposed outside the cooking cavity 20, so that the hot air assembly 10 can be formed in the cooking device 1, and the hot air circulation speed of the cooking cavity 20 can be accelerated by the hot air assembly 10. In other embodiments of the present application, the left side plate 21 or the right side plate 22 of the cooking cavity 20 may be further provided as the air guiding cover 12 of the hot air assembly 10, the air guiding cover plate 11 having the air inlet 111 and the air outlet 112 is provided in the cooking cavity 20, and the air guiding cover plate 11 is provided opposite to the air guiding cover 12, so that the hot air assembly 10 can be formed in the cooking device 1, and the hot air circulation speed of the cooking cavity 20 is accelerated by the hot air assembly 10.

In other embodiments of the present application, the air inlet 111 and the air outlet 112 may be disposed on different sidewalls of the cooking cavity 20, for example, the air inlet 111 is disposed on a back plate of the cooking cavity 20, the air outlet 112 is disposed on the left side plate 21 or the right side plate 22 of the cooking cavity 20, and the air outlet 112 is communicated with the accommodating cavity 121 through a pipe, so as to form a hot air circulation channel of the cooking cavity 20.

It should be further noted that, in the present embodiment, when the user faces the cooking device 1, the side of the cooking device 1 facing the ground is the bottom of the cooking device 1, the side of the cooking device 1 away from the ground is the top of the cooking device 1, the side of the cooking device 1 on the left hand side of the user is the left side of the cooking device 1, the side of the cooking device 1 on the right hand side of the user is the right side of the cooking device 1, the side of the cooking device 1 near the user is the front side of the cooking device 1, and the side of the cooking device 1 away from the user is the rear side of the cooking device 1. Specifically, in the present embodiment, the side of the cooking cavity 20 having the opening is the front side, and the side of the cooking cavity 20 where the hot air assembly 10 is located is the rear side of the cooking cavity 20.

Specifically, as shown in fig. 5 to 8, a plurality of ventilation holes are provided in the center of the hood cover 11 of the present embodiment, and the plurality of ventilation holes are surrounded by the air intake 111. The front end of air intake 111 is located to deep bead 14 to shelter from the ventilation hole of air intake 111, make the vast majority oil stain in the outside air current adhere to deep bead 14 under the barrier effect of deep bead 14, thereby can not cause the pollution to air intake 111, keep the cleanness of air intake 111 department, and then guarantee the circulation rate of air. Meanwhile, due to the arrangement of the wind shield 14, a user can not see the hole structure of the millboard when in use, so that the interior of the cooking cavity 20 is more concise, and the visual effect of the cooking device 1 when in use is further improved.

Further, the projection of the wind deflector 14 on the fan cover 11 of the present embodiment covers the air inlet 111, so as to shield all the ventilation holes of the air inlet 111, and further improve the blocking and adhesion effects of the wind deflector 14 on grease doped in the hot air flow.

Further, as shown in fig. 5, the center of the cover plate 11 of the present embodiment is recessed inward, and an air inlet 111 is provided on the surface of the recessed portion, and an inclined plane is adopted between the recessed portion and the whole plate surface of the cover plate 11, so that the resistance when the hot air flows can be effectively reduced, and the hot air in the cooking cavity 20 can more easily enter the accommodating cavity 121 through the air inlet 111. A connecting column 141 is further provided between the wind shield cover 11 and the wind shield 14, and the wind shield 14 is connected to the recess of the wind shield cover 11 through the connecting column 141. Specifically, the connection post 141 may be a part of the structure of the wind deflector 14, and an extending end screwed with the connection post 141 is disposed on the wind deflector cover 11, so that the wind deflector 14 is connected with the wind deflector cover 11 in a screwed manner, and the wind deflector 14 is convenient to be disassembled and cleaned. In other embodiments of the present application, other removable structural connections, such as snap-fit connections or screw connections, may be used between the wind deflector 14 and the wind deflector cover 11. In other embodiments of the present application, a fixed, non-removable connection, such as welding or riveting, may also be used between the wind deflector 14 and the wind deflector cover plate 11.

As shown in fig. 5, 7 and 9, a receiving cavity 121 is formed between the air guide cover 12 and the air guide cover 11 in the present embodiment, specifically, a groove structure, that is, the receiving cavity 121, is disposed in the air guide cover 12 and away from the air guide cover 11. The accommodating cavity 121 of the present embodiment includes a first cavity 122 and a second cavity 123, centrifugal fans 13 are disposed in the first cavity 122 and the second cavity 123, and air inlets 111 are respectively disposed in the air inlet directions of the two centrifugal fans 13, that is, two groups of hot air circulation channels are simultaneously disposed in the hot air assembly 10 of the present embodiment, so that the circulation speed of hot air in the cooking cavity 20 is further improved through the hot air assembly 10. The cavity shapes of the first cavity 122 and the second cavity 123 are determined according to the positions of the air outlets 112 corresponding to each other, and the first cavity 122 and the second cavity 123 should cover the air outlets 112 corresponding to each other.

As shown in fig. 5, 7 and 10, the centrifugal fan 13 of the present embodiment includes a main body 131 and a plurality of blades 132 disposed at intervals in the circumferential direction of the main body 131, and the edges of the blades 132 are surrounded by the maximum radial dimension of the centrifugal fan 13. During operation of the centrifugal fan 13, negative pressure is generated through the middle body part 131 and attracts air flow, and meanwhile air flow attracted to the position of the body part 131 is discharged through the edges of the fan blades 132 in an accelerating way under the action of the fan blades 132, in the process, hot air of the cooking cavity 20 rapidly enters the accommodating cavity 121 through the air inlet 111 and is rapidly discharged back to the cooking cavity 20 through the air outlet 112, so that the circulation speed of the hot air of the cooking cavity 20 is accelerated, the cooking efficiency is further improved, the stability and the uniformity of distribution of hot air flow are ensured, and the cooking effect of food is improved. In this embodiment, the maximum radial dimension of the centrifugal fan 13 is greater than the maximum radial dimension of the air inlet 111, that is, the projection of the centrifugal fan 13 on the fan cover plate 11 covers the air inlet 111, so as to ensure that the air outlet position of the centrifugal fan 13 is located outside the radial dimension of the air inlet 111, and further, the mixing between the air inlet airflow and the air outlet airflow in the accommodating cavity 121 can be effectively avoided, and the reduction of the circulation efficiency of the hot air flow is avoided.

Further, as shown in fig. 6 to 7, the hot air module 10 of the present embodiment further includes a heating tube 15, and the heating tube 15 is disposed in the accommodating cavity 121 and is disposed around the outside of the centrifugal fan 13. The heat generating tube 15 of the present embodiment has an annular structure, and the inner diameter thereof is larger than the maximum radial dimension of the centrifugal fan 13, and the centrifugal fan 13 and the heat generating tube 15 are disposed in the housing chamber 121. By arranging the heating tube 15 around the outside of the centrifugal fan 13, when the centrifugal fan 13 is operated, air in the cooking cavity 20 enters the accommodating cavity 121 through the air inlet 111, air in the body 131 is dispersed outwards in the radial direction through the fan blades 132 under the action of the centrifugal fan 13, and the air is heated by the heating tube 15 in the process of dispersing outwards in the radial direction, so that the air is heated and a hot air flow is formed, and finally the heated hot air flow is discharged back to the cooking cavity 20 through the air outlet 112. The hot air assembly 10 of the present embodiment can further increase the air temperature of the cooking cavity 20 while accelerating the circulation speed of the hot air flow of the cooking cavity 20, thereby further improving the cooking efficiency of the cooking device 1. In other embodiments of the present application, the heating tube 15 may also be disposed outside the accommodating cavity 121, such as between the wind deflector 14 and the hood cover 11.

Further, the heating tube 15 of the present embodiment is a halogen tube, a graphene tube, or a quartz tube that emits light. When the heating tube 15 works, light is generated, and after passing through the air inlet 111 on the fan cover plate 11, the light is shielded and radiated by the wind shield 14, and as the wind shield 14 of the embodiment is circular, a luminous effect similar to solar ring food is formed at the edge position of the wind shield 14, so that the user experience is effectively improved.

In other embodiments of the present application, the wind guard 14 may also be a circular plate, a star-shaped plate, a flower-shaped plate, a stripe-shaped plate, a hollowed-out plate, or other shaped structures, so as to form light-emitting strips with different shapes in the cooking cavity 20, thereby improving the user experience.

Referring again to fig. 5, 7, 11 and 12, the hot air assembly 10 of the present embodiment further includes a driving motor 16 and a heat shield 17. Wherein, part of the driving motor 16 is arranged outside the wind scooper 12, and an output shaft 162 of the driving motor 16 is inserted into the accommodating cavity 121 and is in transmission connection with the centrifugal fan 13. The heat insulation plate 17 is arranged outside the wind scooper 12, a heat insulation cavity is formed between the heat insulation plate 17 and the wind scooper 12, and part of the driving motor 16 is arranged outside the heat insulation cavity and connected with the heat insulation plate 17. Specifically, the heat insulation plate 17 and the wind scooper 12 may be connected by bolts, and a heat insulation cavity is formed between the heat insulation plate 17 and the wind scooper 12. The arrangement of the heat insulation cavity can effectively reduce the direct effect of the heat released by the hot air assembly 10 and the driving motor 16, thereby ensuring the reliable operation of the driving motor 16.

Specifically, the surface of the heat insulation plate 17 facing away from the wind scooper 12 in this embodiment is provided with a protrusion 171, a first mounting groove 171 and a second mounting groove 172 are formed between the protrusion 171 and the plate surface of the heat insulation plate 17, and the first mounting groove 171 and the second mounting groove 172 are respectively provided with a driving motor 16, so that the centrifugal fan 13 is driven to rotate by the driving motor 16, and the flow of hot air in the cooking cavity 20 is accelerated. Since the heating tube 15 of the hot air assembly 10 releases a large amount of heat during operation, the heat applied to the driving motor 16 can be effectively reduced by providing the heat insulation plate 17, thereby ensuring the normal operation state of the driving motor 16. Meanwhile, the arrangement of the first mounting groove 171 and the second mounting groove 172 can effectively reduce the mutual influence of air flows when the two driving motors 16 operate, and ensure the normal operation process of the driving motors 16.

The driving motor 16 of the present embodiment includes a motor body 161 and an output shaft 162, the motor body 161 is disposed outside the housing chamber 121, one end of the output shaft 162 is inserted into the housing chamber 121 and is connected to the centrifugal fan 13 in a transmission manner, and the centrifugal fan 13 is driven to rotate by the motor body 161. The motor body 161 is provided with a motor bracket 163, and the motor bracket 163 is connected to the protrusion 171 of the heat insulation plate 17 through a bolt, so that the driving motor 16 is positioned and installed. Meanwhile, in order to further reduce the influence of the heat emitted by the hot air assembly 10 on the driving motor 16, a plurality of blades 164 are further arranged at intervals in the circumferential direction of the motor body 161 in the embodiment, and the plurality of blades 164 can accelerate the air flow around the motor body 161 while the driving motor 16 rotates, so that the temperature around the motor body 161 is reduced, the influence of the heat emitted by the hot air assembly 10 on the motor body 161 is further reduced, and the running safety and reliability of the driving motor 16 are ensured.

As shown in fig. 5, 7 and 13, the hot air assembly 10 of the present embodiment further includes a rear cover 18, and the rear cover 18 is fastened to the outside of the heat insulation plate 17 and is connected to the air cover plate 11, so that the driving motor 16 is disposed in a space formed by the rear cover 18 and the heat insulation plate 17, and further, scratches are prevented from being caused when the driving motor 16 is operated. Meanwhile, the rear cover 18 is further provided with a plurality of heat dissipation holes 181 for discharging heat generated during the operation of the driving motor 16, so as to prevent the normal operation of the driving motor 16 from being affected due to the excessively high temperature.

The foregoing is merely a preferred embodiment of the present application, but the scope of the present application is not limited thereto, and any changes or substitutions easily contemplated by those skilled in the art within the technical scope of the present application should be covered by the scope of the present application. Therefore, the protection scope of the present application shall be subject to the protection scope of the claims.

Claims

1. A cooking device, wherein the cooking device has a hot air assembly comprising:

the fan cover plate is provided with an air inlet;

the wind shield is arranged outside the accommodating cavity and is opposite to the air inlet at intervals, and the wind shield is arranged at the front end of the air inlet;

the cooking device further comprises a cooking cavity, wherein the fan cover plate of the hot air assembly is a side plate or a back plate of the cooking cavity, or the air guide cover of the hot air assembly is a side plate or a back plate of the cooking cavity.

2. Cooking apparatus according to claim 1, wherein the projection of the wind deflector onto the hood cover covers the air inlet.

3. Cooking apparatus according to claim 1, wherein the wind deflector is a circular plate, star plate, flower plate, stripe plate or hollowed plate.

4. The cooking device of claim 1, wherein the hood cover plate is further provided with an air outlet disposed proximate an edge of the hood cover plate.

5. The cooking device of claim 1, wherein the hot air assembly further comprises a heating tube disposed outside the receiving cavity or the heating tube is disposed outside the receiving cavity and around the centrifugal fan.

6. The cooking device of claim 5, wherein the heating tube is a luminescent halogen tube, a graphene tube, or a quartz tube.

7. The cooking device of claim 1, wherein the hot air assembly further comprises a drive motor, a portion of the drive motor is disposed outside the air guide housing, and an output shaft of the drive motor is inserted into the receiving cavity and is in driving connection with the centrifugal fan.

8. The cooking device of claim 7, wherein the hot air assembly further comprises a heat shield, the heat shield is disposed outside the air guide housing, a heat shield cavity is formed between the heat shield and the air guide housing, and a portion of the drive motor is disposed outside the heat shield cavity and is connected to the heat shield.

9. Cooking apparatus according to claim 1, wherein the wind deflector is fixedly or detachably connected to the hood cover.