CN220967126U - Heating assembly and cooking utensil - Google Patents

Abstract

The utility model discloses a heating assembly and a cooking utensil, wherein the heating assembly comprises a hot air cover, an impeller, a burner and a rectifying piece, the hot air cover and a wall plate of a cooking cavity of the cooking utensil form a heating cavity, the impeller is rotatably arranged in the hot air cover, the impeller is arranged to suck air outside the heating cavity into the heating cavity and discharge the heated air in the heating cavity out of the heating cavity, the burner is arranged in the hot air cover and is annularly arranged at the radial outer side of the impeller and is used for heating the air entering the heating cavity, the rectifying piece is arranged in the hot air cover, and at least part of the rectifying piece is arranged between the impeller and the burner and is provided with a flow guide hole used for guiding the air from the impeller to the burner. The airflow output by the impeller is guided by the rectifying piece, so that the airflow is transmitted to the burner along the guide hole, the fluctuation of the airflow around the burner is reduced, the stability of the airflow around the burner is improved, and the stability of flame of the burner in the combustion process is improved.

Description

Heating assembly and cooking utensil

Technical Field

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

Background

This section provides merely background information related to the present disclosure and is not necessarily prior art.

The gas oven is used as a cooking appliance, and mainly heats food by heat generated by combustion of gas. In a gas oven, a burner for heating is hidden under the bottom plate of the cavity, and heat generated by the burner enters the oven cavity in a natural convection heat exchange mode. When food is cooked, the temperature of the lower part of the baking tray is higher than that of the upper part of the baking tray, so that the cooked food is heated unevenly, and the effect of cooking the food is poor.

In the prior art, a convection fan is arranged in an oven, and air flow in a cavity is stirred by the convection fan, so that the temperature uniformity of the air flow in the cavity is improved, and the cooking effect on food is improved. However, the convection fan makes the air flow around the burner unstable during the movement, which is very liable to cause the flame stability of the burner to be poor during the combustion.

Disclosure of utility model

The utility model aims to at least solve the problem of poor flame stability in the combustion process of a combustor caused by unstable ambient air flow. The aim is achieved by the following technical scheme:

the utility model proposes a heating assembly for a cooking appliance, comprising:

The hot air cover and a wall plate of the cooking cavity of the cooking appliance form a heating cavity;

An impeller rotatably disposed within the hot air housing, the impeller being configured to draw air outside the heating cavity into the heating cavity;

The burner is arranged in the hot air cover, is annularly arranged on the radial outer side of the impeller and is used for heating air entering the heating cavity, and the impeller is further arranged to discharge the air heated in the heating cavity out of the heating cavity;

and a rectifying member disposed within the hot blast housing, and at least a portion of the rectifying member is disposed between the impeller and the burner, the rectifying member having a flow guiding hole for guiding sucked air from the impeller to the burner.

According to the heating assembly, when the heating assembly is used for heating the cooking cavity of the cooking appliance, the burner is ignited, the impeller rotates, the rotating impeller sucks air outside the heating cavity into the heating cavity and is heated by the burner, and the heated air is discharged from the heating cavity and enters the cooking cavity under the driving of the impeller, so that the food in the cooking cavity is heated and cooked. The flow straightening piece with the flow guide holes is arranged between the impeller and the burner, and the airflow output by the impeller is guided by the flow straightening piece, so that the airflow is transmitted to the burner along the flow guide holes, the fluctuation of the airflow around the burner is reduced, the stability of the airflow around the burner is improved, and the stability of flame of the burner in the combustion process is improved.

In addition, the heating assembly according to the utility model may also have the following additional technical features:

In some embodiments of the utility model, the fairing comprises:

The connecting part is used for being connected with a wall plate of the cooking appliance;

the annular part is connected to the connecting part, the annular part is annularly arranged on the radial outer side of the impeller and positioned between the impeller and the combustor, and the flow guide hole is formed in the annular part.

In some embodiments of the utility model, the dimension of the annulus is greater than or equal to the dimension of the impeller in the axial direction of the impeller;

And/or the number of the diversion holes is a plurality of, and all the diversion holes are distributed on the annular part.

In some embodiments of the utility model, the connection is a plate-like member that is detachably connected to a wall plate of the cooking appliance.

In some embodiments of the present utility model, the direction of opening the diversion hole is consistent with the radial direction of the impeller;

And/or the shape of the diversion holes is a round hole, an elliptic hole or a polygonal hole.

In some embodiments of the present utility model, an air inlet area is formed on an axial side wall of the hot air cover along an axial direction of the impeller, air is supplied to the air inlet area to enter the heating cavity, and a first air outlet area is formed on a radial side wall of the hot air cover along a radial direction of the impeller, and the heated air is discharged from the first air outlet area.

In some embodiments of the utility model, the axis of the impeller passes through the center of the air intake region;

And/or the hot air cover is also provided with a second air outlet area, the second air outlet area is arranged on the axial side wall, the second air outlet area is annularly arranged at the outer side of the air inlet area, and the second air outlet area is used for discharging heated air.

In some embodiments of the utility model, the burner is an annular burner, radially outside of which a fire hole is provided.

In some embodiments of the utility model, the heating assembly further comprises a drive member drivingly connected to the impeller to drive the impeller to rotate within the hot blast housing.

The utility model also proposes a cooking appliance comprising:

the cooking device comprises a machine body, a cooking device and a control device, wherein the machine body is provided with a cooking cavity, and the cooking cavity is provided with a wall plate;

According to the heating assembly, the hot air cover of the heating assembly and the wall plate form a heating cavity, and the impeller, the burner and the rectifying piece of the heating assembly are arranged in the heating cavity.

According to the cooking appliance, when the heating assembly is used for heating the cooking cavity of the cooking appliance, the burner is ignited, the impeller rotates, the rotating impeller sucks air outside the heating cavity into the heating cavity and is heated by the burner, and the heated air is discharged out of the heating cavity and enters the cooking cavity under the driving of the impeller, so that the food in the cooking cavity is heated and cooked. The flow straightening piece with the flow guide holes is arranged between the impeller and the burner, and the airflow output by the impeller is guided by the flow straightening piece, so that the airflow is transmitted to the burner along the flow guide holes, the fluctuation of the airflow around the burner is reduced, the stability of the airflow around the burner is improved, and the stability of flame of the burner in the combustion process is improved.

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 utility model. Also, like reference numerals are used to designate like parts throughout the figures. In the drawings:

Fig. 1 schematically illustrates a structural schematic view of a cooking appliance according to an embodiment of the present utility model;

Fig. 2 is a partial structural schematic view of the cooking appliance shown in fig. 1;

FIG. 3 is a schematic diagram of a structure from another perspective of the structure shown in FIG. 2;

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

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

FIG. 6 is an exploded view of the structure shown in FIG. 2;

FIG. 7 is a schematic view of the assembled structure of the burner, impeller, flow straightener and driver of FIG. 6 (in the drawing, the black open arrow lines indicate the direction of the air flow drawn in by the impeller, and the black solid arrow lines indicate the direction of the air flow discharged by the impeller);

Fig. 8 is a schematic structural view of the rectifying member shown in fig. 6.

The reference numerals are as follows:

100. A cooking appliance;

10. a cooking cavity;

111. a wall plate;

20. a heating assembly;

21. a hot air cover;

211. an air inlet area; 212. the first air outlet area; 213. the second air outlet area;

22. An impeller;

23. a burner;

231. a fire hole;

24. A rectifying member;

241. a connection part; 242. an annular portion; 2421. a deflector aperture;

25. A driving member.

Detailed Description

Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure 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. Accordingly, 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.

As shown in fig. 1 to 8, according to an embodiment of the present utility model, a heating assembly 20 for a cooking appliance 100 is proposed, wherein the heating assembly 20 includes a hot air cap 21, an impeller 22, a burner 23, and a rectifying piece 24.

When the heating assembly 20 is mounted on the cooking appliance 100, the hot air cover 21 is engaged with the wall plate 111 of the cooking cavity 10 of the cooking appliance 100, and a chamber is constructed between the hot air cover 21 and the wall plate 111, which is a heating cavity. Wherein, impeller 22, combustor 23 and fairing 24 all set up in the heating chamber, and the combustor 23 encircles and establishes in the radial outside of impeller 22, and the at least partial body of fairing 24 is located between combustor 23 and impeller 22, is equipped with guiding hole 2421 on the body of fairing 24 between combustor 23 and impeller 22, and guiding hole 2421 is used for guiding the air current that impeller 22 conveyed to combustor 23.

When the cooking cavity 10 of the cooking appliance 100 is heated by the heating assembly 20, the burner 23 is ignited and the impeller 22 is rotated, the rotating impeller 22 sucks air outside the heating cavity into the heating cavity and is heated by the burner 23, and the heated air is discharged from the heating cavity and enters the cooking cavity 10 under the driving of the impeller 22, so that the heating cooking of food in the cooking cavity 10 is realized. The flow straightening piece 24 with the flow guide holes 2421 is arranged between the impeller 22 and the burner 23, and the flow outputted by the impeller 22 is guided by the flow straightening piece 24, so that the flow is transmitted to the burner 23 along the flow guide holes 2421, the fluctuation of the flow around the burner 23 is reduced, the stability of the flow around the burner 23 is improved, and the flame stability of the burner 23 in the combustion process is further improved.

It should be understood that, as shown in fig. 7, the impeller 22 is disposed in the hot air cover 21 (in the heating chamber), when the impeller 22 rotates in the hot air cover 21, the air flow outside the heating chamber can be sucked into the heating chamber by the impeller 22 and discharged from the impeller 22 to the direction of the burner 23, and the flow rectifying member 24 is disposed between the impeller 22 and the burner 23, so that the air flow discharged from the impeller 22 to the burner 23 can be guided by the flow guiding holes 2421 of the flow rectifying member 24, so that the flow direction of the air flow delivered to the position of the burner 23 is guided by the flow guiding holes 2421, thereby reducing the air flow fluctuation caused by the air flow direction around the burner 23.

It should be noted that, the hot air cover 21 includes a cover body and a connecting plate, one end of the cover body has an opening, the connecting plate is disposed around the opening end of the cover body, when the hot air cover 21 is matched with the wall plate 111 of the cooking cavity 10, the connecting plate is fixedly connected with the wall plate 111, wherein the connecting mode of the connecting plate and the wall plate 111 can be welding, clamping, bonding, screw connection or riveting. Meanwhile, the cover body is in a cylindrical or prismatic structure and the like.

The impeller 22 is provided in the casing of the hot air casing 21, and the impeller 22 is provided at a distance from the casing in the radial direction of the impeller 22, the burner 23 is provided in a space between the casing and the impeller 22, and the body of the rectifier 24 between the impeller 22 and the burner 23 is provided between the burner 23 and the impeller 22 and at a distance from the impeller 22, so that the rotation of the impeller 22 is prevented from being interfered.

It is further understood that, as shown in fig. 6 to 8, in the embodiment of the present utility model, the fairing 24 includes the ring portion 242 and the connection portion 241, and the ring portion 242 is connected to the connection portion 241. The connecting portion 241 is fixedly connected to the wall plate 111 of the cooking appliance 100, the annular portion 242 is circumferentially arranged around the impeller 22 and between the impeller 22 and the burner 23, and the annular portion 242 is provided with a deflector hole 2421.

When the heating assembly 20 is used in the cooking appliance 100, the hot air cover 21 is fixedly connected with the wall plate 111 of the cooking cavity 10 to form the heating cavity, the connecting portion 241 of the rectifying member 24 is connected to the body of the wall plate 111 located in the heating cavity, and the annular portion 242 extends along the axial direction of the impeller 22, so that the annular portion 242 is located between the impeller 22 and the burner 23. Through setting up connecting portion 241 to be convenient for the connection of fairing 24 is fixed, make the bulk strength of fairing 24 obtain strengthening, reduced the circumstances that leads to taking place deformation because of combustor 23 combustion temperature is high, further improved the water conservancy diversion effect to the air current.

In the embodiment of the present utility model, as shown in fig. 7, the impeller 22 has a structure of axially intaking air and radially outputting air. By disposing the annular portion 242 between the burner 23 and the impeller 22 (in the radial direction of the impeller 22), the blocking effect of the flow straightening member 24 on the impeller 22 is ensured, so that the air flow field reaching the position of the burner 23 is stabilized by guiding the air flow outputted from the impeller 22 by the flow guiding hole 2421, and the condition of poor combustion stability of the burner 23 due to air flow fluctuation is reduced.

It should be noted that, the annular portion 242 is disposed around the impeller 22, where the shape of the annular portion is adapted to the shape of the burner 23, for example, the shape of the burner 23 is annular, the shape of the annular portion 242 is also annular, or the shape of the burner 23 is square, and the shape of the annular portion 242 is also square, by setting the shape of the annular portion to be consistent with the shape of the burner 23, the distance from the annular portion to the burner 23 can be the same, so as to reduce the air flow fluctuation caused by different distances, and further ensure the combustion stability of the burner 23 in the combustion process.

In the present utility model, the burner 23 is sleeved outside the annular portion 242, and the burner 23 contacts with the annular portion 242 (along the radial direction of the impeller 22), so that a combined structure is formed between the burner 23 and the rectifying member 24, and the overall strength and stability of the hot air assembly are further improved.

Further, as shown in fig. 6 to 8, in some embodiments of the present utility model, the connection portion 241 is provided as a plate-shaped member which is fixedly connected to the wall plate 111 of the cooking cavity 10, wherein the plate-shaped member is detachably connected to the wall plate 111 of the cooking cavity 10.

Specifically, the connection portion 241 is provided as a plate-shaped member and is fixedly connected to the wall plate 111 of the cooking cavity 10, so that the contact area between the rectifying member 24 and the wall plate 111 can be increased, so that the strength and stability after the connection fixation can be further increased. In addition, the connection fixing means between the connection portion 241 and the wall plate 111 is detachably provided, so that the heating element 20 can be easily attached and detached, and the attaching and detaching efficiency can be improved.

It should be noted that the connection between the plate member and the wall plate 111 may be a snap connection, a screw connection, or the like.

In some embodiments of the present utility model, the connection portion 241 is a connection post, and the number of connection posts is plural, and all the connection posts are connected in the circumferential direction of the ring member, and the connection posts are fixed to the wall plate 111 of the cooking cavity 10 by welding, bonding, clamping, or screw connection. By providing the connecting members as connecting posts, the material consumption of the fairing 24 can be reduced, so that the manufacturing cost of the fairing 24 is effectively reduced.

Further, the dimension of the annular portion 242 in the axial direction of the impeller 22 is greater than or equal to the dimension of the impeller 22. Specifically, in the embodiment of the present utility model, the impeller 22 has an axial air inlet and radial air outlet structure. The annular part 242 is disposed between the combustor 23 and the impeller 22 (along the radial direction of the impeller 22), and by setting the dimension of the annular part 242 along the axial direction of the impeller 22 to be greater than or equal to the dimension of the impeller 22, the annular part 242 has a better shielding effect on the impeller 22 in the radial direction of the impeller 22, so that the airflow outputted by the impeller 22 is better guided by using the deflector hole 2421, and the airflow field stability at the position of the combustor 23 is further improved.

Further, in some embodiments of the present utility model, as shown in fig. 6 and 7, the burner 23 is an annular burner (annular shape), the annular portion 242 is also annular in shape, the number of the flow guiding holes 2421 is set to be plural, and all the flow guiding holes 2421 are distributed on the annular portion 242. By providing the plurality of deflector holes 2421, the flow rate of the gas from the impeller 22 to the burner 23 can be increased, thereby securing the hot air output capability of the heating assembly 20.

It should be noted that a plurality of fire holes 231 are provided on the burner 23 so that the combustion capability of the burner 23 is ensured by the plurality of fire holes 231. Wherein, all the fire holes 231 are uniformly distributed in the circumferential direction of the burner 23, and a plurality of flow guiding holes 2421 on the annular part 242 are correspondingly arranged with the distribution positions of the fire holes 231, namely, each fire hole 231 is provided with a corresponding number of flow guiding holes 2421, so that the fire holes 231 of the burner 23 can be ensured to be conveyed by air flow, the heating effect on the air flow is further improved, and the temperature of hot air formed by the heating component 20 is more uniform.

Further, in some embodiments of the present utility model, the opening direction (depth direction) of the flow guiding hole 2421 is arranged along the radial direction of the impeller 22. The burner 23 is annularly arranged on the outer side of the annular part 242 of the rectifying piece 24, the flow guide hole 2421 is formed in the annular part 242 of the rectifying piece 24, and the direction of the opening of the flow guide hole 2421 is set, so that the air flow reaching the burner 23 through the flow guide hole 2421 can flow along the radial direction of the impeller 22, the air flow fluctuation at the position of the burner 23 is further reduced, and the combustion stability of the burner 23 is ensured.

In some embodiments of the present utility model, the opening direction of the deflector hole 2421 is set at an angle (the angle between the opening direction and the radial direction of the impeller 22 is greater than 0 ° and less than 90 °), so as to adapt to the use requirements of different combustors 23 by setting the opening direction of the deflector hole 2421.

Further, the shape of the flow guiding hole 2421 may be an elliptical hole, a polygonal hole or a circular hole. Specifically, by providing the shape of the flow guiding holes 2421, the flow guiding holes 2421 can be made to satisfy the gas flow requirements of different combustors 23.

Further, as shown in fig. 2 and 6, the hot air cover 21 is provided with an air inlet area 211 and a first air outlet area 212, wherein the air inlet area 211 is provided on an axial side wall of the hot air cover 21, and the first air outlet area 212 is provided on a radial side wall of the hot air cover 21.

When the heating assembly 20 is in operation, air flow outside the heating cavity enters the heating cavity through the air inlet area 211, the air flow entering the heating cavity flows along the radial direction of the impeller 22 and passes through the flow guide holes 2421 on the flow straightening piece 24, and after the air flow passing through the flow guide holes 2421 reaches the position of the burner 23, the burner 23 burns to heat the air flow, and the heated air flow leaves the heating cavity through the first air outlet area 212.

By providing the air inlet area 211 and the first air outlet area 212, the paths of the air flow entering the heating cavity and the air flow leaving the heating cavity are reduced, so that the heating efficiency of the heating assembly 20 is improved, and when the heating assembly 20 is used for the cooking appliance 100, the cooking efficiency can be effectively improved.

It will be appreciated that the intake region 211 has a center through which the axis of rotation of the impeller 22 passes. By providing the air inlet region 211, the path of the air flow into the heating cavity can be further reduced, so that the heating efficiency of the heating assembly 20 can be effectively improved.

It should be noted that, a plurality of air inlet holes (the shape of the air inlet holes may be circular, elliptical or polygonal) are formed in the air inlet region 211, all the air inlet holes are uniformly distributed in the air inlet region 211, a plurality of first air outlet holes (the shape of the first air outlet holes may be circular, elliptical or polygonal) are formed in the first air outlet region 212, and all the first air outlet holes are uniformly distributed in the first air outlet region 212.

Further, as shown in fig. 2, 3 and 8, a second air outlet area 213 is further provided in the hot air hood 21. The second air outlet area 213 and the air inlet area 211 are located on the same body (axial side wall) of the hot air cover 21, and the second air outlet area 213 is circumferentially arranged in the air inlet area 211. By arranging the second air outlet area 213, the air outlet position on the hot air cover 21 is increased, so that the hot air output of the heating cavity can be further increased, and the cooking requirement is further met.

It should be noted that, a plurality of second air outlet holes (the shape of the second air outlet holes may be circular, oval, polygonal, etc.) are formed in the second air outlet region 213, and all the second air outlet holes are uniformly distributed in the second air outlet region 213.

Further, the burner 23 is an annular burner, and the burner fire holes 231 are located radially outside the annular burner. I.e., the fire hole 231 is disposed away from the flow guiding hole 2421 of the rectifying member 24. By arranging the fire hole 231 of the burner 23 and the diversion hole 2421 of the rectifying piece 24, the distance between the fire hole 231 and the diversion hole 2421 is increased, and the condition that the fire hole 231 is extinguished due to the overlarge output airflow velocity of the diversion hole 2421 is reduced.

Further, in the heating assembly 20, a driving member 25 (motor, etc.) is also included. When the heating assembly 20 is used for the cooking appliance 100, the driving member 25 is disposed at the outer side of the heating chamber, and the driving shaft of the driving member 25 extends into the heating chamber and is fixedly connected with the impeller 22. The rotation of impeller 22 is driven by drive member 25 to thereby ensure circulation of the air flow between heating assembly 20 and cooking chamber 10.

As shown in fig. 1 to 8, the present utility model also proposes a cooking appliance 100, the cooking appliance 100 comprising a body and a heating assembly 20 according to the above. Wherein, on the machine body, a cooking cavity 10 with a wall plate 111 is arranged, the wall plate 111 and a hot air cover 21 of a heating assembly 20 form a heating cavity, and a burner 23, a rectifying piece 24 and an impeller 22 of the heating assembly 20 are arranged in the heating cavity.

Specifically, when the cooking cavity 10 of the cooking appliance 100 is heated by the heating assembly 20, the burner 23 is ignited and the impeller 22 is rotated, the rotating impeller 22 sucks air outside the heating cavity into the heating cavity and is heated by the burner 23, and the heated air is discharged from the heating cavity and enters the cooking cavity 10 by the driving of the impeller 22, so that the heating cooking of food in the cooking cavity 10 is realized. The flow straightening piece 24 with the flow guide holes 2421 is arranged between the impeller 22 and the burner 23, and the flow outputted by the impeller 22 is guided by the flow straightening piece 24, so that the flow is transmitted to the burner 23 along the flow guide holes 2421, the fluctuation of the flow around the burner 23 is reduced, the stability of the flow around the burner 23 is improved, and the flame stability of the burner 23 in the combustion process is further improved.

In one embodiment of the present utility model, the above-mentioned cooking apparatus is a gas oven (in other embodiments of the present utility model, the cooking apparatus may also be a gas steamer, etc.), and the structure of other parts of the gas oven refers to the prior art, and the disclosure of the present utility model is not repeated herein.

The present utility model is not limited to the above-mentioned embodiments, and any changes or substitutions that can be easily understood by those skilled in the art within the technical scope of the present utility model are intended to be included in the scope of the present utility model. Therefore, the protection scope of the utility model is subject to the protection scope of the claims.

Claims (10)

1. A heating assembly for a cooking appliance, the heating assembly comprising:

The hot air cover and a wall plate of the cooking cavity of the cooking appliance form a heating cavity;

An impeller rotatably disposed within the hot air housing, the impeller being configured to draw air outside the heating cavity into the heating cavity;

The burner is arranged in the hot air cover, is annularly arranged on the radial outer side of the impeller and is used for heating air entering the heating cavity, and the impeller is further arranged to discharge the air heated in the heating cavity out of the heating cavity;

and a rectifying member disposed within the hot blast housing, and at least a portion of the rectifying member is disposed between the impeller and the burner, the rectifying member having a flow guiding hole for guiding sucked air from the impeller to the burner.

2. The heating assembly of claim 1, wherein the fairing comprises:

The connecting part is used for being connected with a wall plate of the cooking appliance;

the annular part is connected to the connecting part, the annular part is annularly arranged on the radial outer side of the impeller and positioned between the impeller and the combustor, and the flow guide hole is formed in the annular part.

3. The heating assembly of claim 2, wherein the ring has a dimension greater than or equal to the dimension of the impeller in an axial direction of the impeller;

And/or the number of the diversion holes is a plurality of, and all the diversion holes are distributed on the annular part.

4. The heating assembly of claim 2, wherein the connection is a plate-like member that is removably connected to a wall plate of the cooking appliance.

5. The heating assembly according to claim 1, wherein the direction of opening of the flow guiding holes is consistent with the radial direction of the impeller;

And/or the shape of the diversion holes is a round hole, an elliptic hole or a polygonal hole.

6. The heating assembly of claim 1, wherein an air inlet area is formed in an axial side wall of the hot air cover along an axial direction of the impeller, air is supplied to the air inlet area to enter the heating cavity, a first air outlet area is formed in a radial side wall of the hot air cover along a radial direction of the impeller, and the heated air is discharged from the first air outlet area.

7. The heating assembly of claim 6, wherein an axis of the impeller passes through a center of the air intake region;

And/or the hot air cover is also provided with a second air outlet area, the second air outlet area is arranged on the axial side wall, the second air outlet area is annularly arranged at the outer side of the air inlet area, and the second air outlet area is used for discharging heated air.

8. The heating assembly of claim 6, wherein the burner is an annular burner with a fire hole radially outward of the annular burner.

9. The heating assembly of any one of claims 1 to 8, further comprising a drive member drivingly connected to the impeller to drive rotation of the impeller within the hot blast housing.

10. A cooking appliance, the cooking appliance comprising:

the cooking device comprises a machine body, a cooking device and a control device, wherein the machine body is provided with a cooking cavity, and the cooking cavity is provided with a wall plate;

The heating assembly of any one of claims 1 to 9, wherein the hot air hood of the heating assembly and the wall plate form a heating cavity, and wherein the impeller, the burner and the rectifying member of the heating assembly are disposed within the heating cavity.