CN114129065A

CN114129065A - Cooking utensil

Info

Publication number: CN114129065A
Application number: CN202111536789.9A
Authority: CN
Inventors: 任孟珂
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: 2021-12-15
Filing date: 2021-12-15
Publication date: 2022-03-04

Abstract

The application discloses cooking utensil includes: casing, first heating piece, second heating piece and fan are provided with the culinary art cavity in the casing, and the casing includes: the cooking device comprises a peripheral wall and a top wall arranged at the upper end of the peripheral wall, wherein a first air channel and a second air channel which are communicated with each other are respectively arranged in the peripheral wall and the top wall, and the first air channel and the second air channel are communicated with the cooking chamber. The first heating piece is arranged in the first air channel, the second heating piece is arranged in the second air channel, the fan is arranged in the first air channel or/and the second air channel, and the fan is suitable for guiding air heated by the first heating piece and the second heating piece into the cooking chamber. The hot-air can receive first heating piece and the second twice heating back that generates heat the piece, and in leading-in cooking chamber again, the hot-air temperature is high to the hot-air circulates fast between first wind channel, second wind channel and the cooking chamber, and hot-blast flow velocity is fast, and the cooking chamber indoor temperature is high, and cooking utensil's rate of heating is fast, and the heating is even, and user's use satisfaction is high.

Description

Cooking utensil

Technical Field

The application relates to the field of household appliances, in particular to a cooking appliance.

Background

Air frying ovens are sought after by more and more people due to the unique function of degreasing and oil-less. The air frying is to utilize high-temperature air heat flow as a heat transfer medium, and separate out the grease of the food at high temperature so as to achieve the frying effect.

The existing oven with air frying utilizes a heating tube and a fan on the back to generate hot air to heat food in a cooking space, but the hot air on the back depends on a convection heat exchange mode, the flowing speed of the hot air is low, and the heating speed of the food is slow; and most take the fried oven of air to adopt the design of bottom collapsing wave to lead to the unable heating tube of installation in the bottom of oven, and food is heated unevenly in the heating process to food, and the bottom of food is difficult to fry to coloring, and user's use satisfaction is lower.

Content of application

The present application is directed to solving at least one of the problems in the prior art. For this reason, an object of the present application is to provide a cooking appliance that has a fast heating speed, and heats food uniformly, and has a high user satisfaction.

According to the cooking utensil of this application embodiment, include: a housing, a cooking chamber is provided within the housing, the housing comprising: the cooking device comprises a peripheral wall and a top wall arranged at the upper end of the peripheral wall, wherein a first air duct and a second air duct which are communicated with each other are respectively arranged in the peripheral wall and the top wall, and the first air duct and the second air duct are both communicated with the cooking chamber; the first heating piece is arranged in the first air channel, and the second heating piece is arranged in the second air channel; the fan is arranged in the first air duct or/and the second air duct and is suitable for guiding the air heated by the first heating piece and the second heating piece into the cooking chamber.

According to cooking utensil of this application embodiment, through set up first heating piece in first wind channel, and set up the second in the second wind channel and generate heat a, hot-air can receive first heating piece and the second twice heating back that generates heat a, it is interior to leading-in cooking chamber again, hot-air temperature is high, and hot-air is in first wind channel, fast cycle between second wind channel and the cooking chamber, hot-blast flow rate is fast, the temperature is high in the cooking chamber, hot-air coverage area is big, cooking utensil's rate of heating is fast, the heating is even, user's use satisfaction is high.

Optionally, the peripheral wall comprises: the rear side wall is internally provided with the first air duct.

Specifically, the first heating member is configured as a first heating pipe extending along the circumferential direction of the rear side wall, the second heating member is configured as a second heating pipe, and the second heating pipes are plural and extend along the left-right direction.

In some embodiments, a first hood plate is provided on an inner side of the peripheral wall to space the first heat generating member from the cooking chamber, and a first through hole is provided on the first hood plate.

In some embodiments, a second hood plate is provided on an inner side of the top wall to space the second heat generating member from the cooking chamber, and a second through hole is provided on the second hood plate.

In some embodiments, the cooking appliance further comprises: will first wind channel with wind in the second wind channel is leading-in to air outlet in the culinary art chamber and will wind in the culinary art chamber is leading-in to first wind channel with air intake in the second wind channel, the air outlet with the air intake sets up on arbitrary two lateral walls in roof, preceding lateral wall, back lateral wall, left side wall, right side wall and the diapire of casing.

In some embodiments, the fan comprises: the motor shaft of the driving motor and the pivot shaft of the impeller extend along the left-right direction.

Optionally, the fan is disposed in a connection region between the top wall and the bottom wall.

In some embodiments, the peripheral wall comprises: the cooking device comprises a front side wall, wherein a door body which can selectively communicate the cooking chamber with the outside is arranged on the front side wall.

In some embodiments, the cooking appliance is configured as a microwave oven.

Additional aspects and advantages of the present application will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the present application.

Drawings

The above and/or additional aspects and advantages of the present application will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

fig. 1 is a sectional view of a cooking appliance according to an embodiment of the present application;

fig. 2 is a partial structural schematic diagram of a cooking appliance according to an embodiment of the present application.

Reference numerals:

a casing 1, a cooking chamber 10, a rear side wall 11, a top wall 12,

A first air duct 21, a second air duct 22,

A first heating member 31, a second heating member 32,

A fan 4,

A first wind shield plate 51, a second wind shield plate 52,

Detailed Description

Reference will now be made in detail to embodiments of the present application, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present application and are not to be construed as limiting the present application.

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

A cooking appliance according to an embodiment of the present application is described below with reference to fig. 1 to 2.

According to the cooking utensil of this application embodiment, include: casing 1, first heating member 31, second heating member 32 and fan 4 are provided with cooking chamber 10 in the casing 1, and casing 1 includes: the cooking device comprises a peripheral wall and a top wall 12 arranged at the upper end of the peripheral wall, wherein a first air duct 21 and a second air duct 22 which are communicated with each other are respectively arranged in the peripheral wall and the top wall 12, and the first air duct 21 and the second air duct 22 are both communicated with the cooking chamber 10. The first heating member 31 is disposed in the first air duct 21, the second heating member 32 is disposed in the second air duct 22, the fan 4 is disposed in the first air duct 21 or/and the second air duct 22, and the fan 4 is adapted to guide air heated by the first heating member 31 and the second heating member 32 into the cooking chamber 10.

The housing 1 is a main body of the cooking appliance, a cooking chamber 10 is formed inside the housing 1, and food is placed in the cooking chamber 10 for heating and cooking. A first air duct 21 is provided in the peripheral wall of the housing 1, a second air duct 22 is provided in the top wall 12, the first air duct 21 and the second air duct 22 are communicated, and both the first air duct 21 and the second air duct 22 are communicated with the cooking chamber 10, so that air can be continuously circulated in the first air duct 21, the second air duct 22, and the cooking chamber 10.

The first air duct 21 is internally provided with a first heating piece 31, the second air duct 22 is internally provided with a second heating piece 32, the first heating piece 31 heats the air in the first air duct 21, the second heating piece 32 can heat the air in the second air duct 22, and the heated air circulates among the first air duct 21, the second air duct 22 and the cooking chamber 10 by arranging the fan 4, so that the purpose of air frying food is achieved.

It can be understood that the hot air is located at the upper layer of the cold air, so the first air duct 21 is disposed in the top wall 12 of the housing 1, compared with the design mode that the first air duct 21 and the second air duct 22 are disposed at the peripheral wall, the first air duct 21 is disposed at the top, and the second air duct 22 is disposed below the first air duct 21, so that the circulation speed of the hot air among the first air duct 21, the second air duct 22 and the cooking chamber 10 is facilitated, and the working efficiency of the cooking appliance is improved.

When the cooking appliance works, the first heating piece 31 and the second heating piece 32 heat air, the fan 4 rotates to guide the air heated by the first heating piece 31 and the second heating piece 32 into the cooking chamber 10, and under the action of the fan 4, the air continuously circulates among the first air channel 21, the second air channel 22 and the cooking chamber 10 to heat and cook food. The hot air is in continuous circulation state to the in-process that food was cooked for the air temperature in the culinary art cavity 10 is balanced and keep at higher temperature, and the area covered of air is big, can heat food evenly wholly, and food culinary art is effectual, can promote user's use satisfaction.

The cooking utensil of this application embodiment is through setting up first heat-generating part 31 in first wind channel 21, and set up second heat-generating part 32 in second wind channel 22, make the air circulate between first wind channel 21, second wind channel 22 and cooking cavity 10, the air is after receiving the heating of first heat-generating part 31, can be driven to flow to second heat-generating part 32, finally leading-in to cooking cavity 10, it circulates to get into first wind channel 21 afterwards, or the air is after receiving the heating of second heat-generating part 32, flow to first heat-generating part 31 and heat again, finally leading-in cooking cavity 10, it circulates again to get into second wind channel 22 afterwards. The hot air for cooking food is heated by the first heating member 31 and the second heating member 32 twice and then introduced into the cooking chamber 10, and the temperature of the hot air is high, so that the food can be heated rapidly, and the heating speed of the cooking appliance is increased.

The fan 4 is used for circulating hot air in the cooking appliance, and the fan 4 may be disposed in the first air duct 21, the fan 4 may also be disposed in the second air duct 22, or there may be two fans 4, and the fans 4 are disposed in both the first air duct 21 and the second air duct 22, which all fall into the protection scope of the present application.

According to the cooking utensil of the embodiment of the application, through set up first heating member 31 in first wind channel 21, and set up second heating member 32 in second wind channel 22, hot-air can receive first heating member 31 and second heating member 32's twice heating back, reintroduction is to the cooking cavity 10 in, the hot-air temperature is high, and hot-air circulates fast between first wind channel 21, second wind channel 22 and cooking cavity 10, hot-blast flow rate is fast, the temperature is high in the cooking cavity 10, hot-air coverage area is big, cooking utensil's heating rate is fast, heat evenly, user's use satisfaction is high.

The peripheral wall includes: the cooking device comprises a front side wall, a rear side wall 11, a left side wall and a right side wall, wherein the peripheral walls are located below a top wall 12, in some embodiments of the application, as shown in fig. 1, a first air duct 21 is arranged in the rear side wall 11, a second air duct 22 is arranged on the top wall 12, and the first air duct 21 and the second air duct 22 are both communicated with the cooking chamber 10.

When the cooking appliance is operated, the fan 4 rotates to draw air in the cooking chamber 10 into the second air duct 22, the second heating element 32 heats the air in the second air duct 22, the air flows to the rear of the cooking appliance under the driving of the fan 4 and enters the first air duct 21 in the rear side wall 11, the first heating element 31 heats the air in the first air duct 21, the twice heated air is guided into the cooking chamber 10 by the fan 4 to heat and cook food in the cooking chamber 10, and the twice heated air is drawn into the second air duct 22 again under the rotation of the fan 4 to circulate.

Specifically, as shown in fig. 2, the first heat generating member 31 is configured as a first heat generating pipe extending in the circumferential direction of the rear side wall 11, and the second heat generating member 32 is configured as a second heat generating pipe which is plural and each extends in the left-right direction.

The second air duct 22 is disposed in the rear side wall 11, and the first heat pipe extends along the circumferential direction of the rear side wall 11, so that the contact area between the first heat pipe and the air can be increased, the heat exchange speed between the first heat pipe and the air can be increased, and the air temperature in the first air duct 21 can be increased rapidly. In some embodiments of the present application, the first heat-generating pipe includes a plurality of straight sections and a plurality of curved sections, and any two adjacent straight sections are connected by the curved section, and the straight sections extend along the horizontal direction, and the straight sections are arranged in a row along the vertical direction, and when the hot air flows in the first air duct 21, the flow direction of the hot air flows from the top to the bottom, and the hot air flowing in the first air duct 21 to the bottom passes through the straight sections, so as to further raise the temperature of the hot air, and raise the air temperature in the first air duct 21.

The second wind channel 22 sets up in roof 12, and the second heating tube is a plurality of and extends at the left and right sides direction, and when hot-air flowed in second wind channel 22, hot-air's flow direction was for flowing in the front and back direction, and horizontal flow's hot-air can pass through a plurality of second heating tubes in second wind channel 22, can promote the area of contact of second heating tube and air, promotes the heat exchange speed of second heating tube and air to can promote the air temperature in the second wind channel 22 fast.

In some embodiments of the present application, as shown in fig. 2, a first hood plate 51 for spacing the first heat generating member 31 from the cooking chamber 10 is provided on the inner side of the peripheral wall, and the first hood plate 51 is provided with a first through hole.

The first hood plate 51 can isolate hot air in the cooking chamber 10, can effectively prevent hot air in the cooking chamber 10 from being distributed, is favorable for improving the heating efficiency of a cooking appliance, and prevents the user from being injured due to overhigh temperature of the peripheral wall. The first hood plate 51 is provided with a first through hole, the first through hole can conduct the cooking chamber 10 and the first air duct 21, and hot air can flow in the first air duct 21 and the cooking chamber 10 through the first through hole. In some embodiments of the present application, the first air vent includes a plurality of first micro holes, and the plurality of first micro holes may be combined in a regular arrangement, as shown in fig. 2, and the first air vent is a square ring array formed by the plurality of first micro holes. Through set up a plurality of first micropores on first hood plate 51, can break up the hot gas flow that flows through into little air current, enter into cooking chamber 10 in, little air current's area of coverage is big, can be to food whole even heating, food culinary art is effectual to microporous aperture is less, and the hot-air in cooking chamber 10 is difficult for escaping away from cooking chamber 10 in, further promotes cooking utensil's heating efficiency, promotes cooking utensil's security.

In some embodiments of the present application, the inner side of the top wall 12 is provided with a second hood plate 52 that separates the second heat generating member 32 from the cooking chamber 10, and the second hood plate 52 is provided with a second through hole.

The second hood plate 52 can isolate the hot air in the cooking chamber 10, and can effectively prevent the hot air in the cooking chamber 10 from being dissipated, thereby being beneficial to improving the heating efficiency of the cooking appliance and preventing the user from being injured by overhigh temperature of the peripheral wall. A second through hole is formed in the second hood plate 52, and the second through hole can conduct the cooking chamber 10 and the second air duct 22, and hot air can flow through the second through hole in the second air duct 22 and the cooking chamber 10.

By providing the first and

second hood plates

51 and 52 on the inner sides of the peripheral wall and the top wall 12, respectively, the hot air in the cooking chamber 10 is not easily dissipated from the cooking chamber 10, thereby further improving the heating efficiency of the cooking appliance and the safety of the cooking appliance.

In some embodiments of the present application, the second gas hole comprises a plurality of second micro holes, and as shown in fig. 2, the second gas hole is a square annular array of the plurality of second micro holes. And the aperture of the micropore is small, so that hot air in the cooking chamber 10 is not easy to escape from the cooking chamber 10, and the safety of the cooking appliance is improved.

In some embodiments of the present application, the cooking appliance further comprises: an air outlet for guiding the air in the first air duct 21 and the second air duct 22 into the cooking chamber 10, and an air inlet for guiding the air in the cooking chamber 10 into the first air duct 21 and the second air duct 22.

In the first partial embodiment of the present application, the air outlet is disposed on the rear side wall 11 of the housing 1, the air inlet is disposed on the top wall 12 of the housing 1, the air in the cooking chamber 10 is guided into the second air duct 22 through the air inlet, then flows into the first air duct 21 through the second air, and then flows back into the cooking chamber 10 through the air outlet, and the air flow circulation sequence is as follows: the cooking chamber 10, the second air duct 22, the first air duct 21, and then back to the cooking chamber 10.

In the first partial embodiment of this application, the air outlet sets up in the lower part of back lateral wall 11, and the hot-air that heats twice through first heat-generating component 31 and second heat-generating component 32 is leading-in to cooking cavity 10 from the air outlet in, through setting up the air outlet in the lower part, because hot-air can automatic upwards spread, hot-air enters into cooking cavity 10 and can follow the lower part and upwards move the diffusion, and hot-air can carry out even heating to food wholly, and food culinary art is effectual.

In the first embodiment of the present application, the air outlet is disposed on the rear side wall 11, and the air inlet is disposed on the top wall 12, it is understood that the air outlet and the air inlet may be disposed on any two side walls of the top wall 12, the front side wall, the rear side wall 11, the left side wall, the right side wall, and the bottom wall of the housing 1, so as to satisfy the requirement that the hot air circularly flows in the cooking chamber 10 and the first air duct 21 and the second air duct 22. In contrast, when the air inlet and the air outlet are disposed on any two sidewalls of the top wall 12, the front sidewall, the rear sidewall 11, the left sidewall, the right sidewall and the bottom wall of the housing 1, the first air duct 21 and the second air duct 22 corresponding to the air inlet and the air outlet are also disposed in the top wall 12, the front sidewall, the rear sidewall 11, the left sidewall, the right sidewall or the bottom wall of the housing 1, and the air inlet and the air outlet correspond to the first air duct 21 and the second air duct 22, so as to increase the air flow rate.

In some embodiments of the present application, the fan 4 comprises: the pivot axis of the motor shaft of the driving motor and the pivot axis of the impeller extend along the left-right direction.

The driving motor drives the impeller to rotate so that the fan 4 guides the hot air. It can be understood that the cooking appliance is provided with the first heating member 31 in the front-rear direction, the cooking appliance has a large size in the front-rear direction, and if the fan 4 is arranged in the first air duct 21, the motor shaft extending in the front-rear direction further increases the size of the cooking appliance in the front-rear direction, increases the space volume of the cooking appliance, and is not favorable for the arrangement and transportation of the cooking appliance.

The driving motor axle of this application embodiment extends along left right direction, compares in the arrangement mode that extends driving motor axle fore-and-aft direction, and the space is great is arranged in the confession of cooking utensil left and right sides direction, and the space of arranging of motor axle is great, can supply high-power motor to arrange, promotes the guide effect of fan 4 to the air current. And the pivot axis of driving motor's motor shaft and impeller all extends along left right direction, can reduce the ascending size of cooking utensil fore-and-aft direction, and cooking utensil's space volume is less, and the arrangement of the cooking utensil of being convenient for is laid to the transportation when being convenient for produce cooking utensil.

In some embodiments of the present application, the blower 4 is disposed in the connection area between the top wall 12 and the peripheral wall, as shown in fig. 1.

The fan 4 is arranged at the connecting section of the first air duct 21 and the second air duct 22, the fan 4 rotates, and a positive pressure area and a negative pressure area are respectively formed in the first air duct 21 and the second air duct 22, so that hot air can rapidly circulate in the first air duct 21 and the second air duct 22, the flowing speed of the hot air is increased, and the heating speed of the hot air on food is increased.

In some embodiments of the present application, the peripheral wall comprises: the cooking device comprises a front side wall, wherein a door body which can selectively communicate the cooking chamber 10 with the outside is arranged on the front side wall, and food can be put into the cooking chamber 10 or taken out of the cooking chamber 10 through the door body. Specifically, the door body can keep apart the steam in the culinary art cavity 10, and hot-air in can effectually avoiding the culinary art cavity 10 distributes away, is favorable to promoting cooking utensil's heating efficiency, avoids the high temperature of perisporium to cause the injury to the user.

In some embodiments of the present application, the cooking appliance is configured as a microwave oven. The cooking device of this application embodiment has the microwave heating function, also has the air and fries the function.

The first heat generating part 31 and the first heat generating part 31 can be heated independently of each other, the cooking appliance has strong functionality, and different modes of heating by turning on only the first heat generating part 31 alone, turning on only the second heat generating part 32 alone or simultaneously turning on the first heat generating part 31 and the second heat generating part 32 can be adopted according to different functions of the cooking appliance. And the air temperature can be controlled by controlling the power of the first heating member 31 and the second heating member 32, so as to achieve the ideal cooking effect.

Specifically, in some embodiments, when the cooking appliance starts the air-frying function, the first heating element 31 and the second heating element 32 heat simultaneously, the fan 4 is started, and hot air circulates in the first air duct 21, the second air duct 22 and the cooking chamber 10, so that the food cooking effect is good; when the cooking appliance starts the microwave heating function, the first heating piece 31 is turned off, the second heating piece 32 is independently heated, and the fan 4 is turned off to simply heat the food; when the cooking utensil starts the low-power air frying function, the second heating part 32 is closed, the first heating part 31 is independently heated, the fan 4 is closed, and hot air generated by the rear side wall 11 is subjected to heat convection.

A specific embodiment according to the first part of the present application is described below with reference to fig. 1 and 2.

The cooking appliance is a microwave oven, and the cooking appliance has a microwave heating function and an air frying function. The cooking appliance includes: casing 1, first heating member 31, second heating member 32 and fan 4 are provided with cooking chamber 10 in the casing 1, and casing 1 includes: roof 12, preceding lateral wall, back lateral wall 11, left side wall, right side wall and diapire are provided with first wind channel 21 and the second wind channel 22 that communicates each other in back lateral wall 11 and the roof 12 respectively, first wind channel 21 with second wind channel 22 all with culinary art cavity 10 intercommunication is provided with the air outlet on back lateral wall 11, is provided with the air intake on roof 12. The first heating element 31 is arranged in the first air duct 21, the second heating element 32 is arranged in the second air duct 22, the first heating element 31 heats air in the first air duct 21, the second heating element 32 can heat air in the second air duct 22, the fan 4 is arranged at the joint of the first air duct 21 and the second air duct 22, the fan 4 can circulate the heated air along the second air duct 22, the first air duct 21 and the cooking chamber 10 in sequence, and air heated twice by the second heating element and the first heating element is guided into the cooking chamber.

A first hood plate 51 for spacing the first heat generating member 31 from the cooking chamber 10 is provided on the inner side of the rear sidewall 11, a first through hole is provided on the first hood plate 51, a second hood plate 52 for spacing the second heat generating member 32 from the cooking chamber 10 is provided on the inner side of the top wall 12, and a second through hole is provided on the second hood plate 52.

When the air frying function of the cooker is started, the first heating piece 31 and the second heating piece 32 are heated simultaneously, the fan 4 is started, the fan 4 rotates to draw air in the cooking cavity 10 into the second air duct 22 through the air inlet, the second heating piece 32 heats the air in the second air duct 22, the air flows towards the rear of the cooker under the driving of the fan 4 and enters the first air duct 21 in the rear side wall 11, the first heating piece 31 heats the air in the first air duct 21, the air heated twice is guided into the cooking cavity 10 through the air outlet by the fan 4, the food in the cooking cavity 10 is air-fried, and the air is drawn into the second air duct 22 again under the rotation of the fan 4, and the hot air circulates.

When the cooking appliance starts the microwave heating function, the first heating element 31 is turned off, the second heating element 32 is independently heated, the fan 4 is turned off, and the second heating element 32 is used for microwave heating of food in the cooking chamber 10 from the upper part to the lower part.

Other constructions of the cooking appliance according to the embodiment of the present application, such as the fan 4 and the hood plate, etc., and operations thereof, are known to those of ordinary skill in the art and will not be described in detail herein.

In the description herein, reference to the description of the terms "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like 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 application. In this specification, the schematic representations of the terms used above do not necessarily refer to 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.

While embodiments of the present application have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the application, the scope of which is defined by the claims and their equivalents.

Claims

1. A cooking appliance, comprising:

a housing (1), a cooking chamber (10) is provided in the housing (1), the housing (1) comprising: the cooking device comprises a peripheral wall and a top wall (12) arranged at the upper end of the peripheral wall, wherein a first air duct (21) and a second air duct (22) which are communicated with each other are respectively arranged in the peripheral wall and the top wall (12), and the first air duct (21) and the second air duct (22) are both communicated with the cooking chamber (10);

a first heating element (31) and a second heating element (32), wherein the first heating element (31) is arranged in the first air duct (21), and the second heating element (32) is arranged in the second air duct (22);

a fan (4), wherein the fan (4) is arranged in the first air duct (21) or/and the second air duct (22), and the fan (4) is suitable for guiding the air heated by the first heating element (31) and the second heating element (32) into the cooking chamber (10).

2. The cooking appliance of claim 1, wherein the peripheral wall comprises: the air duct structure comprises a rear side wall (11), wherein the first air duct (21) is arranged in the rear side wall (11).

3. The cooking appliance according to claim 2, wherein the first heat generating member (31) is configured as a first heat generating pipe extending in a circumferential direction of the rear side wall (11), and the second heat generating member (32) is configured as a second heat generating pipe which is plural and each extends in a left-right direction.

4. The cooking appliance according to claim 1, wherein a first hood plate (51) is provided on an inner side of the peripheral wall to space the first heat generating member (31) from the cooking chamber (10), the first hood plate (51) having a first through hole provided thereon.

5. The cooking appliance according to claim 4, wherein the inner side of the top wall (12) is provided with a second hood plate (52) which separates the second heat generating member (32) from the cooking chamber (10), and the second hood plate (52) is provided with a second through hole.

6. The cooking appliance of claim 1, further comprising: will first wind channel (21) with wind in the second wind channel (22) is leading-in to cook the air outlet in cavity (10) and with wind in the culinary art cavity (10) is leading-in to first wind channel (21) with air intake in the second wind channel (22), the air outlet with the air intake sets up on arbitrary two lateral walls in roof (12), preceding lateral wall, back lateral wall (11), left side wall, right side wall and the diapire of casing (1).

7. The cooking appliance according to claim 1, wherein the fan (4) comprises: the motor shaft of the driving motor and the pivot shaft of the impeller extend along the left-right direction.

8. The cooking appliance according to claim 7, wherein the fan (4) is arranged in the connection region between the top wall (12) and the bottom wall.

9. The cooking appliance of claim 1, wherein the peripheral wall comprises: the cooking device comprises a front side wall, wherein a door body which can selectively communicate the cooking chamber (10) with the outside is arranged on the front side wall.

10. The cooking appliance of claim 1, wherein the cooking appliance is configured as a microwave oven.