CN213909839U - Heating assembly and cooking utensil with same - Google Patents

Abstract

The utility model provides a heating element and have its cooking utensil. Wherein, heating element is used for cooking utensil, and heating element includes: the shell is provided with an air inlet, an air outlet and an accommodating cavity communicated with the air inlet and the air outlet; the heating wire is arranged in the accommodating cavity; the air outlet of the fan is communicated with the air inlet; the heating wire comprises a first heating wire section and a second heating wire section, and the density degrees of the first heating wire section and the second heating wire section are different. The utility model discloses the problem of deformation easily takes place owing to local temperature rise is very fast for the heater subassembly of the deep fryer of air among the correlation technique has been solved effectively.

Description

Heating assembly and cooking utensil with same

Technical Field

The utility model relates to a cooking utensil technical field particularly, relates to a heating element and have its cooking utensil.

Background

Currently, the fan used in an air fryer is usually a centrifugal fan or an axial fan.

However, the air blown out from the centrifugal fan or the axial flow fan is not uniform, which easily causes the local temperature rise of the heating wire assembly to be fast, thereby causing the deformation of the heating wire, and even causing the short circuit of the heating wire assembly to affect the normal use of the heating wire assembly and the air fryer.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a main aim at provides a heating element and have its cooking utensil to solve among the correlation technique heating wire subassembly of air fryer and easily take place the problem of deformation because local temperature rise is very fast.

In order to achieve the above object, according to one aspect of the present invention, there is provided a heating assembly for a cooking appliance, the heating assembly including: the shell is provided with an air inlet, an air outlet and an accommodating cavity communicated with the air inlet and the air outlet; the heating wire is arranged in the accommodating cavity; the air outlet of the fan is communicated with the air inlet; the heating wire comprises a first heating wire section and a second heating wire section, and the density degrees of the first heating wire section and the second heating wire section are different.

Use the technical scheme of the utility model, the density degree of first heating wire section and second heating wire section is different, then the heating capacity of the two is also different, and the heating wire section is more dense then calorific capacity is higher. Like this, at cooking utensil to eating the in-process of cooking, the staff can adjust the position of first heating wire section and second heating wire section on the heater strip according to the air output of fan, so that, around establishing the great heating wire section setting of density in the great department of air output, around establishing the less heating wire section setting of density in the less department of air output, in order to avoid the local temperature of heater strip higher and lead to the heater strip to take place deformation, and then the problem that the heating wire subassembly of air fryer easily takes place deformation because local temperature rise is very fast among the correlation technique has been solved, the use reliability of heater strip has been promoted.

Furthermore, the winding density of the heating wires in the first heating wire section is smaller than that of the heating wires in the second heating wire section, the air inlet comprises a first air inlet area and a second air inlet area, the air inlet volume of the first air inlet area is smaller than that of the second air inlet area, the first air inlet area is arranged opposite to the first heating wire section, and the second air inlet area is arranged opposite to the second heating wire section. The first air inlet area and the first heating wire section are arranged oppositely, and the second air inlet area and the second heating wire section are arranged oppositely, so that the air inlet areas with different air inlet volumes and the heating wire sections with different winding densities are arranged oppositely, and the heating wire is prevented from being deformed due to overhigh local temperature.

Furthermore, the number of the second heating wire sections is multiple, and the first heating wire section is positioned between at least two second heating wire sections; or the first heating wire sections are multiple, and the second heating wire section is positioned between at least two first heating wire sections. The heating wire sections with lower winding density are arranged between the heating wire sections with larger winding sealing, so that the density degree of the heating wires is matched with the type of the fan, and further the deformation of the heating wires caused by the rapid local temperature rise of the heating wires is avoided. Simultaneously, the structure of heater strip is more diversified for above-mentioned setting to with the fan looks adaptation of different grade type, and then avoid the local temperature rise of heater strip very fast and lead to the heater strip to take place deformation.

Further, the heating assembly further comprises: the wire winding structure is arranged in the accommodating cavity, and the heating wire is wound on the wire winding structure along the length direction of the wire winding structure. The heater strip passes through the wire winding structure and installs in the casing to make the dismouting of heater strip easier, simple and convenient, reduced the dismouting degree of difficulty.

Furthermore, the number of the winding structures is one; or the winding structures are multiple and are arranged at intervals. Above-mentioned setting makes the wire winding structure can wind one or more heater strips and establish to promote heating element's heating efficiency, realize the fast cooking, and then promoted the user and used experience.

Further, the heating assembly further comprises: and the supporting structure is arranged in the shell and supports the winding structure and the heating wire. The wire winding structure and the shell are easier and simpler to disassemble and assemble due to the arrangement, and the disassembling and assembling difficulty is reduced. Meanwhile, the heating assembly is simpler in structure, easy to process and realize, and the processing cost of the cooking utensil is reduced.

Furthermore, the supporting structure comprises a supporting concave part, and the winding structure is arranged in the supporting concave part in a penetrating mode and matched with the supporting concave part in a stopping mode. The supporting concave part is matched with the winding structure in a clamping mode, so that the winding structure and the supporting structure are easier and more convenient to disassemble and assemble, and the disassembling and assembling difficulty is reduced.

Furthermore, the shell is provided with a mounting hole, the supporting structure is a supporting plate, and the end part of the supporting plate extends into the mounting hole and is matched with the mounting hole in a stop way; the winding structure is a winding plate, and the supporting plate and the winding plate are arranged in an intersecting mode. On one hand, the support structure and the shell are easier and simpler to disassemble and assemble, and the disassembling and assembling difficulty is reduced; on the other hand, the structure of the supporting structure and the winding structure is simpler, the processing and the realization are easy, and the processing cost of the cooking utensil is reduced.

Further, the support structure is a mica sheet. The mica sheet improves the supporting strength of the supporting structure to the winding structure and the heating wire on one hand, and prevents the winding structure and the heating wire from being separated from the shell to influence the structural stability of the cooking utensil; on the other hand, the support structure is prevented from deforming after being heated to influence the support strength, and the support structure is also made to be an insulator.

Furthermore, the winding density of the first heating wire section is gradually increased along the direction from the middle part of the shell to the two ends of the shell; and/or the winding density of the second heating wire section is consistent along the direction from the middle part of the shell to the two ends of the shell. Because the fan is axial fan, so the amount of wind of first heating filament section position department is minimum, and the amount of wind of the both sides of first heating filament section is great, and then the winding density of first heating filament section is less than the winding density of other parts, and the second heating filament section is located the both sides of first heating filament section to avoid the local temperature rise of first heating filament section very fast and lead to the heater strip to take place deformation, and then promoted heating element's structural stability and use reliability.

Further, the first heating wire section is located in the middle of the housing. Because the fan is axial fan, the amount of wind in the middle part of the casing is minimum, in order to avoid the first heating wire section to take place deformation because local temperature rise is very fast, and then set up first heating wire section in the minimum position department of amount of wind.

According to another aspect of the present invention, there is provided a cooking appliance comprising the above-mentioned heating assembly.

Drawings

The accompanying drawings, which form a part of the present application, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention and not to limit the invention. In the drawings:

figure 1 shows a schematic perspective view of an embodiment of a heating assembly according to the present invention;

FIG. 2 shows a schematic perspective view of another angle of the heating assembly of FIG. 1;

FIG. 3 is a schematic perspective view of the heating assembly of FIG. 1 with the air inlet structure removed;

FIG. 4 is an enlarged schematic view of the heating assembly of FIG. 3 at A with the air inlet structure removed;

FIG. 5 shows a front view of the heating assembly of FIG. 3 with the air intake structure removed;

FIG. 6 is a cross-sectional view taken along line B-B of the heater assembly of FIG. 5 with the air inlet structure removed; and

fig. 7 is a perspective view illustrating the heating wire, the winding structure and the assembled wire of the heating assembly of fig. 3.

Wherein the figures include the following reference numerals:

10. a housing; 11. an air inlet; 12. an air outlet; 13. an accommodating chamber; 14. mounting holes; 20. heating wires; 21. a first heating wire section; 22. a second heated wire section; 30. an air inlet structure; 31. a first air inlet portion; 32. a second air inlet portion; 40. screening a screen; 50. a wire; 60. a winding structure; 61. mounting grooves; 70. a support structure; 71. supporting the recess.

Detailed Description

It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.

It is noted that, unless otherwise indicated, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.

In the present invention, unless otherwise specified, the use of directional words such as "upper and lower" is generally in reference to the orientation shown in the drawings, or to the vertical, perpendicular or gravitational orientation; likewise, for ease of understanding and description, "left and right" are generally to the left and right as shown in the drawings; the terms "inner and outer" refer to the inner and outer relative to the profile of the respective component itself, but the above directional terms are not intended to limit the present invention.

In order to solve the problem that the heating wire subassembly of air fryer easily takes place deformation because local temperature rise is very fast among the correlation technique, the application provides a heating element and have its cooking utensil.

As shown in fig. 1 to 7, the heating assembly is used for a cooking appliance, and includes a housing 10, a heater wire 20, and a blower fan. The housing 10 has an inlet 11, an outlet 12, and a receiving chamber 13 communicating the inlet 11 and the outlet 12. The heater wire 20 is disposed in the accommodating chamber 13. The air outlet of the fan is communicated with the air inlet 11. The heating wire 20 comprises a first heating wire section 21 and a second heating wire section 22, and the density of the first heating wire section 21 and the density of the second heating wire section 22 are different.

By applying the technical scheme of the embodiment, the density degrees of the first heating wire section 21 and the second heating wire section 22 are different, so that the heating amounts of the two are different, and the heating amount is higher when the heating wire sections are denser. Like this, at cooking utensil to eating the in-process of cooking, the staff can adjust the position of first heater strip section 21 and second heater strip section 22 on heater strip 20 according to the air output of fan, so that, around establishing the great heater strip section setting of density in the great department of air output, around establishing the less heater strip section setting of density in the less department of air output, with the local temperature of avoiding the heater strip higher and lead to the heater strip to take place deformation, and then the heater strip subassembly of having solved air fryer among the correlation technique is easily because the local temperature rise is very fast and take place the problem of deformation, the use reliability of heater strip has been promoted.

In this embodiment, the blower is located outside the housing 10, and airflow discharged from the air outlet of the blower blows towards the air inlet 11, and blows heat on the heating wire 20 into the cooking cavity through the air outlet 12, so as to bake and heat the food in the cooking cavity.

In this embodiment, the winding density of the heating wires 20 in the first heating wire section 21 is less than the winding density of the heating wires 20 in the second heating wire section 22, the air inlet 11 includes a first air inlet region and a second air inlet region, the air inlet volume of the first air inlet region is less than the air inlet volume of the second air inlet region, the first air inlet region is disposed opposite to the first heating wire section 21, and the second air inlet region is disposed opposite to the second heating wire section 22. Thus, the first air inlet area is arranged opposite to the first heating wire section 21, and the second air inlet area is arranged opposite to the second heating wire section 22, so that the air inlet areas with different air inlet amounts are arranged opposite to the heating wire sections with different winding densities, and the heating wire 20 is prevented from being deformed due to overhigh local temperature.

In particular, the heating assembly further comprises an air intake structure 30. The air inlet structure 30 is disposed at the air inlet 11, and the air inlet structure 30 includes a first air inlet portion 31 and a second air inlet portion 32, the first air inlet portion 31 is disposed opposite to the first air inlet region, the second air inlet portion 32 is disposed opposite to the second air inlet region, and the air inlet area of the first air inlet portion 31 is larger than the air inlet area of the second air inlet portion 32, so that the air inlet amount of the air inlet 11 is as uniform as possible, and the heated area of the cooked food material is more uniform and consistent.

In the present embodiment, the heating wire 20 is wound on the winding structure 60, and the winding density of the heating wire 20 refers to the length of the heating wire per unit length along the length direction of the heating assembly.

Alternatively, the second heating wire segment 22 is plural, and the first heating wire segment 21 is located between at least two second heating wire segments 22. Like this, it is located around establishing between the sealed great heating wire section to wind the heating wire section of establishing that density is less to make heater strip 20's density degree and the type phase-match of fan, and then avoid heater strip 20's local temperature rise very fast and lead to heater strip 20 to take place deformation.

In this embodiment, the fan is an axial flow fan, the number of the first heating wire sections 21 is one, the number of the second heating wire sections 22 is two, and the first heating wire section 21 is located between the two second heating wire sections 22. Thus, the structure of the heating wire 20 is simpler, the heating wire is easy to process and realize, and the processing difficulty and the processing cost of the heating wire 20 are reduced.

It should be noted that the structure of the heater wire 20 is not limited thereto, and may be adjusted according to the operating condition. In other embodiments, which are not shown in the figures, the heating wire further comprises a third heating wire section, the third heating wire section is located on the side of the second heating wire section away from the first heating wire section, and the winding density of the third heating wire section is greater than the winding density of the second heating wire section.

The number of the first heating wire segments 21 is not limited to this, and may be adjusted according to the size of the housing 10. Optionally, the first heating wire section 21 is two, or three, or more.

The number of the second heating wire segments 22 is not limited to this, and may be adjusted according to the size of the housing 10. Optionally, the second heating wire section 22 is three, or four, or more.

Alternatively, the first heating wire section 21 is plural, and the second heating wire section 22 is located between at least two first heating wire sections 21. Like this, above-mentioned setting makes heater strip 20's structure more diversified to with the fan looks adaptation of different grade type, and then avoid heater strip 20's local temperature rise very fast and lead to heater strip 20 to take place deformation.

As shown in fig. 1 to 3 and 5 to 7, the heating assembly further includes a winding structure 60. Wherein, the winding structure 60 is arranged in the accommodating cavity 13, and the heating wire 20 is wound on the winding structure 60 along the length direction of the winding structure 60. In this way, the heater strip 20 is installed in the housing 10 through the winding structure 60, so that the mounting and dismounting of the heater strip 20 are easier and simpler, and the mounting and dismounting difficulty is reduced.

Specifically, after the heating wire 20 is wound on the winding structure 60, the worker integrally packs the heating wire 20 and the winding structure 60 into the casing 10 to assemble the heating wire 20 and the casing 10, so as to ensure that the heating wire 20 can heat the gas entering from the air inlet 11, and the heating reliability of the heating assembly is improved.

In the present embodiment, the winding structure 60 has a mounting groove 61, and the heating wire 20 is wound on the mounting groove 61, so as to prevent the heating wire 20 from being displaced relative to the winding structure 60 and affecting the heating efficiency of the heating wire 20.

Optionally, there is one winding structure 60; alternatively, the number of winding structures 60 may be plural, and the plural winding structures 60 may be provided at intervals. Like this, above-mentioned setting makes winding structure 60 can wind one or more heater strip 20 and establish to promote heating element's heating efficiency, realize the fast cooking, and then promoted the user and used experience.

In the present embodiment, there are two winding structures 60, two heating wires 20 are disposed in one-to-one correspondence with the two winding structures 60, and the first heating wire section 21 and the second heating wire section 22 on each heating wire 20 are distributed in the same manner. Like this, above-mentioned setting makes two heater strips 20 heat the edible material simultaneously, and then has promoted heating element's heating efficiency, realizes cooking fast.

Specifically, the air inlet 11 is located below the air outlet 12, and the two winding structures 60 are spaced along the thickness direction of the casing 10, so as to increase the contact area between the two heating wires 20 and the air flow, and further improve the heating efficiency of the heating assembly.

The number of the winding structures 60 is not limited to this, and may be adjusted according to the use requirement. Optionally, the winding structure 60 is three, or four, or five, or more.

It should be noted that the number of the heating wires 20 is not limited to this, and may be adjusted according to the use requirement, and optionally, the number of the heating wires 20 is three, or four, or five, or more.

As shown in fig. 2-6, the heating assembly further includes a support structure 70. Wherein the support structure 70 is disposed within the housing 10 and supports the winding structure 60 and the heating wire 20. Thus, the above arrangement makes the dismounting of the winding structure 60 and the housing 10 easier and simpler, and reduces the dismounting difficulty. Meanwhile, the heating assembly is simpler in structure, easy to process and realize, and the processing cost of the cooking utensil is reduced.

As shown in fig. 4, the supporting structure 70 includes a supporting recess 71, and the winding structure 60 is inserted into the supporting recess 71 and is in stop fit with the supporting recess 71. In this way, the supporting concave portion 71 is in clamping fit with the winding structure 60, so that the winding structure 60 and the supporting structure 70 are easier and simpler to disassemble and assemble, and the disassembling and assembling difficulty is reduced.

It should be noted that the connection manner of the winding structure 60 and the supporting structure 70 is not limited to this. Optionally, the support structure 70 is connected to the winding structure 60 by fasteners.

In this embodiment, there are two supporting recesses 71, and the two supporting recesses 71 and the two winding structures 60 are disposed in a one-to-one correspondence manner, so that the supporting structure 70 can support the winding structures 60 more stably, and the structural stability of the cooking appliance is improved.

In this embodiment, the number of the supporting structures 70 is two, and the two supporting structures 70 are spaced apart along the length direction of the housing 10, so that the supporting structures 70 can support the winding structure 60 more stably.

The number of the supporting structures 70 is not limited to this, and may be adjusted according to the operating conditions. Optionally, the support structures 70 are one, or three, or four, or more.

As shown in fig. 3, the housing 10 has a mounting hole 14, and the support structure 70 is a support plate, the end of which extends into the mounting hole 14 and is in stop fit with the mounting hole 14. The winding structure 60 is a winding plate, and the supporting plate and the winding plate are arranged in an intersecting manner. Thus, on one hand, the support structure 70 and the shell 10 are easier and simpler to disassemble and assemble, and the disassembling and assembling difficulty is reduced; on the other hand, the structure of the supporting structure 70 and the winding structure 60 is simpler, the processing and the implementation are easy, and the processing cost of the cooking utensil is reduced.

Specifically, the number of the mounting holes 14 is four, and two ends of each supporting structure 70 penetrate through the two mounting holes 14 respectively, so that the supporting structure 70 is more stably connected with the housing 10, and the supporting reliability of the supporting structure 70 is improved. The housing 10 further has two mounting openings, and the end portions of the two winding structures 60 are respectively erected in the two mounting openings, so that the winding structures 60 and the housing 10 are easier and simpler to assemble and disassemble, and the assembling and disassembling difficulty is reduced.

In the present embodiment, the support structure 70 is a mica sheet. Thus, the arrangement of the mica sheets improves the supporting strength of the support structure 70 on the winding structure 60 and the heating wire 20, and prevents the winding structure 60 and the heating wire 20 from falling out of the housing 10 to affect the structural stability of the cooking utensil; on the other hand, the support structure 70 is prevented from deforming after being heated to affect the support strength, and the support structure 70 is also made to be an insulator.

In the present embodiment, the winding density of the first heating wire segments 21 is gradually increased in the direction from the middle of the housing 10 to both ends thereof. Specifically, because the fan is axial fan, the amount of wind of the position department of first heating wire section 21 is minimum, and the amount of wind of the both sides of first heating wire section 21 is great, and then the winding density of first heating wire section 21 is less than the winding density of other parts, and second heating wire section 22 is located the both sides of first heating wire section 21 to avoid first heating wire section 21 local temperature rise very fast and lead to heater strip 20 to take place deformation, and then promoted heating element's structural stability and use reliability.

In this embodiment, the winding density of the second heating wire segments 22 is uniform along the direction from the middle of the housing 10 to both ends thereof. Thus, the arrangement enables the heat generation amount on the second heating wire section 22 to be consistent and uniform, and the heating efficiency of the heating wire 20 is improved.

In the present embodiment, the first heating wire segment 21 is located in the middle of the housing 10. Specifically, since the fan is an axial flow fan, the air volume in the middle of the housing 10 is the smallest, and in order to avoid the deformation of the first heating wire section 21 due to the rapid local temperature rise, the first heating wire section 21 is disposed at the position where the air volume is the smallest.

As shown in fig. 1-3, the heating assembly further includes a screen 40 and wires 50. Wherein, the screen 40 is disposed at the air outlet 12, and the wire 50 is used for connecting the heating wire 20 and a power supply together to supply power to the heating wire 20.

The present application also provides a cooking appliance (not shown) comprising the heating assembly described above.

Optionally, the cooking appliance is an air fryer or an electric cooker or an electric pressure cooker or a multifunctional heating pot. Wherein, the multifunctional heating pot has the functions of baking, cooking and cooking dishes, and can meet different consumption requirements of consumers.

From the above description, it can be seen that the above-mentioned embodiments of the present invention achieve the following technical effects:

the density degree of the first heating wire section is different from that of the second heating wire section, so that the heating amount of the first heating wire section is different from that of the second heating wire section, and the heating amount is higher when the heating wire sections are denser. Like this, at cooking utensil to eating the in-process of cooking, the staff can adjust the position of first heating wire section and second heating wire section on the heater strip according to the air output of fan, so that, around establishing the great heating wire section setting of density in the great department of air output, around establishing the less heating wire section setting of density in the less department of air output, in order to avoid the local temperature of heater strip higher and lead to the heater strip to take place deformation, and then the problem that the heating wire subassembly of air fryer easily takes place deformation because local temperature rise is very fast among the correlation technique has been solved, the use reliability of heater strip has been promoted.

It is obvious that the above described embodiments are only some of the embodiments of the present invention, and not all of them. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts shall belong to the protection scope of the present invention.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular is intended to include the plural unless the context clearly dictates otherwise, and it should be further understood that the terms "comprises" and/or "comprising," when used in this specification, specify the presence of features, steps, operations, devices, components, and/or combinations thereof.

It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the application described herein are capable of operation in sequences other than those illustrated or described herein.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (12)

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

the air conditioner comprises a shell (10), wherein the shell (10) is provided with an air inlet (11), an air outlet (12) and a containing cavity (13) communicated with the air inlet (11) and the air outlet (12);

a heating wire (20), the heating wire (20) being arranged inside the containing cavity (13);

the air outlet of the fan is communicated with the air inlet (11);

the heating wire (20) comprises a first heating wire section (21) and a second heating wire section (22), and the density degree of the first heating wire section (21) and the density degree of the second heating wire section (22) are different.

2. The heating assembly according to claim 1, wherein a winding density of the heating wire (20) in the first heating wire section (21) is smaller than a winding density of the heating wire (20) in the second heating wire section (22), the air inlet (11) comprises a first air inlet area and a second air inlet area, an air inlet amount of the first air inlet area is smaller than an air inlet amount of the second air inlet area, the first air inlet area is arranged opposite to the first heating wire section (21), and the second air inlet area is arranged opposite to the second heating wire section (22).

3. The heating assembly according to claim 1, wherein the second heating wire section (22) is plural, the first heating wire section (21) being located between at least two of the second heating wire sections (22); or the first heating wire sections (21) are multiple, and the second heating wire section (22) is positioned between at least two first heating wire sections (21).

4. The heating assembly of claim 1, further comprising:

wire winding structure (60), set up hold in the chamber (13), heater strip (20) are followed the length direction of wire winding structure (60) is around establishing on wire winding structure (60).

5. The heating assembly according to claim 4, wherein the winding structure (60) is one; or the number of the winding structures (60) is multiple, and the winding structures (60) are arranged at intervals.

6. The heating assembly of claim 4, further comprising:

a support structure (70), the support structure (70) being disposed within the housing (10) and supporting the winding structure (60) and the heating wire (20).

7. The heating assembly according to claim 6, characterized in that the support structure (70) comprises a support recess (71), the winding structure (60) being inserted into the support recess (71) and in stop engagement with the support recess (71).

8. The heating assembly according to claim 6, wherein the housing (10) has a mounting hole (14), the support structure (70) is a support plate, an end of the support plate extends into the mounting hole (14) and is in stop-fit with the mounting hole (14); the winding structure (60) is a winding plate, and the supporting plate and the winding plate are arranged in an intersecting mode.

9. The heating assembly according to claim 6, wherein the support structure (70) is a mica sheet.

10. The heating assembly of claim 1,

the winding density of the first heating wire section (21) is gradually increased along the direction from the middle part of the shell (10) to the two ends of the shell; and/or

And the winding density of the second heating wire sections (22) is consistent along the direction from the middle part of the shell (10) to the two ends of the shell.

11. The heating assembly according to claim 1, wherein the first heating wire section (21) is located in the middle of the housing (10).

12. A cooking appliance comprising a heating assembly as claimed in any one of claims 1 to 11.

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