CN211582709U

CN211582709U - Electromagnetic heating assembly and cooking utensil with same

Info

Publication number: CN211582709U
Application number: CN201921651281.1U
Authority: CN
Inventors: 陈建新; 李泽涌; 吕华
Original assignee: Zhejiang Supor Electrical Appliances Manufacturing Co Ltd
Current assignee: Zhejiang Supor Electrical Appliances Manufacturing Co Ltd
Priority date: 2019-09-29
Filing date: 2019-09-29
Publication date: 2020-09-29
Anticipated expiration: 2029-09-29

Abstract

The utility model provides an electromagnetic heating subassembly and have its cooking utensil, cooking utensil includes a kind of deep pot body and lid. The cooker body is internally provided with an inner pot and a refrigeration module; the cover body is arranged on the cooker body in an openable and closable manner, and when the cover body covers the cooker body, a cooking space is formed between the cover body and the inner pot; the electromagnetic heating assembly is arranged in the cooker body and is positioned below the inner pot, the electromagnetic heating assembly comprises a coil panel and a coil, and the coil is wound on the outer side of the coil panel, wherein the coil panel is of a double-layer structure with a cavity. According to the utility model discloses a cooking utensil, coil panel are for having the bilayer structure of cavity to can reduce spare part quantity, and then reduce the equipment process, and the heat preservation and the heat-proof quality of coil panel are better, make the refrigeration effect of refrigeration module better, can improve the refrigeration efficiency of refrigeration module, and then can cool down and preserve the internal food of a kind of deep pot, make food difficult rotten.

Description

Electromagnetic heating assembly and cooking utensil with same

Technical Field

The utility model relates to the technical field of household appliances, especially, relate to an electromagnetic heating subassembly and have its cooking utensil.

Background

Some cooking appliances in the prior art are provided with a refrigerating device in a pot body in order to have the function of refrigerating and refreshing. Although the refrigerating device can cool the inner pot so that the food in the inner pot can be preserved in a low-temperature environment, the requirements on the heat preservation and heat insulation performance of the cooking utensil are high, and the coil panel structure of the existing IH electric heating cooking utensil has no design consideration in the aspects of heat preservation and heat insulation performance.

Therefore, it is desirable to provide an electromagnetic heating assembly and a cooking appliance having the same to at least partially solve the above problems.

SUMMERY OF THE UTILITY MODEL

In the summary section a series of concepts in a simplified form is introduced, which will be described in further detail in the detailed description section. The inventive content does not imply any attempt to define the essential features and essential features of the claimed solution, nor is it implied to be intended to define the scope of the claimed solution.

To at least partially solve the above problem, according to a first aspect of the present invention, there is disclosed an electromagnetic heating assembly comprising:

a coil panel; and

a coil wound around an outer side of the coil disk;

wherein the coil disk is configured to have a cavity double-layer structure.

According to the utility model discloses an electromagnetic heating subassembly, coil panel are for having the bilayer structure of cavity to can reduce spare part quantity, and then reduce the equipment process, and the heat preservation and the heat-proof quality of coil panel are better, make the refrigeration effect of refrigeration module better, can improve the refrigeration efficiency of refrigeration module, and then can cool down and preserve the internal food of a kind of deep pot, make food difficult rotten.

Optionally, the coil panel includes an outer wall and an inner wall disposed inside the outer wall, the cavity is formed between the outer wall and the inner wall in a surrounding manner, and the electromagnetic heating assembly further includes a coil wound on the outer wall.

According to the scheme, the coil panel is used for fixing the coil, and is simple in structure, convenient to manufacture and easy to realize.

Optionally, the distance between the inner wall and the outer wall is 6mm to 10 mm.

According to the scheme, the coil panel has a proper size under the condition that the coil panel has good heat insulation performance.

Optionally, the cavity is a closed chamber, and/or

The cavity is a vacuum chamber after vacuum pumping.

According to this aspect, the heat insulating and heat shielding performance of the coil disk can be further improved.

Optionally, the coil disk is made of a heat insulating material.

Optionally, the coil panel is made of at least one of mineral wool, glass fiber wool, aluminum silicate wool, asbestos, an inorganic microporous material, and an organic bubble-like insulating material.

According to the scheme, the coil disc can be made of various materials, so that different materials can be selected according to the actual needs of products, and the production cost can be reduced.

Optionally, the temperature resistance of the coil disc is greater than or equal to 80 °; and/or

The flame retardant rating of the coil panel is above UL 94V-0.

Optionally, the thermal conductivity of the coil disk is greater than or equal to 0.02W/Mk.

According to the scheme, the coil panel has good heat preservation and heat insulation performance.

According to a second aspect of the present invention, a cooking appliance is disclosed, comprising:

the cooker body is internally provided with an inner pot and a refrigeration module; and

the cover body is arranged on the cooker body in an openable and closable manner, and when the cover body covers the cooker body, a cooking space is formed between the cover body and the inner pot; and

the electromagnetic heating assembly according to any one of the above first aspects, the electromagnetic heating assembly being disposed in the pot body and below the inner pot.

According to the utility model discloses a cooking utensil, coil panel are for having the bilayer structure of cavity to can reduce spare part quantity, and then reduce the equipment process, and the heat preservation and the heat-proof quality of coil panel are better, make the refrigeration effect of refrigeration module better, can improve the refrigeration efficiency of refrigeration module, and then can cool down and preserve the internal food of a kind of deep pot, make food difficult rotten.

Optionally, be provided with the heat preservation cover in the a kind of deep pot body, interior pot setting is in the inboard that keeps warm the cover, refrigeration module is including refrigeration chip, radiator and lead cold spare, the radiator with it sets up relatively to lead cold spare the both sides of refrigeration chip, it is used for leaning on to lead cold spare keep warm the cover.

According to the scheme, the cold guide piece is arranged between the pot body and the refrigeration chip, so that heat in the inner pot can enter the refrigeration chip through the cold guide piece.

Drawings

The following drawings of the embodiments of the present invention are provided as a part of the present invention for understanding the present invention. There are shown in the drawings, embodiments and descriptions thereof, which are used to explain the principles of the invention. In the drawings, there is shown in the drawings,

fig. 1 is a schematic cross-sectional view of a cooking appliance according to a preferred embodiment of the present invention;

FIG. 2 is an enlarged view of a portion of FIG. 1 at A; and

description of reference numerals:

100: cooking utensil

110: pot body

120: cover body

130: inner pot

141: refrigeration chip

142: heat radiator

143: cold conducting piece

151: coil panel

152: outer wall

153: inner wall

154: hollow cavity

160: heat insulation cover

Detailed Description

In the following description, numerous specific details are set forth in order to provide a more thorough understanding of the present invention. It will be apparent, however, to one skilled in the art, that embodiments of the invention may be practiced without one or more of these specific details. In other instances, well-known features have not been described in order to avoid obscuring embodiments of the present invention.

In the following description, a detailed structure will be presented for a thorough understanding of embodiments of the invention. It is apparent that the implementation of the embodiments of the present invention is not limited to the specific details familiar to those skilled in the art.

The utility model provides an electromagnetic heating subassembly and have its cooking utensil 100. According to the utility model discloses a cooking utensil 100 can be electric rice cooker, electric pressure cooker or other cooking utensil, and cooking utensil 100 except having the function of cooking rice, can also have various functions such as cooking congee, a kind of deep pot hot water.

A cooking appliance according to the present invention will be described in detail with reference to fig. 1 and 2.

As shown in fig. 1, the cooking utensil 100 generally includes a pot body 110 and a lid 120, and the lid 120 is openably and closably disposed on the pot body 110. The inner pot 130 and the refrigerating module are provided in the pot body 110, and when the cover body 120 is covered on the pot body 110, a cooking space may be formed between the cover body 120 and the inner pot 130. The pot body 110 is substantially in a rounded rectangular parallelepiped shape, and has a cylindrical-shaped receiving portion. The inner pot 130 may be configured to be freely put into or taken out of the receiving part to facilitate the cleaning of the inner pot 130, or configured to be fixed in the pot body 110 so as not to be taken out of the pot body 110. The inner pot 130 is generally made of a metal material for containing a material to be heated, such as rice, soup, etc. The electromagnetic heating assembly is disposed in the pot body 110 and located below the inner pot 130 for heating the food in the inner pot 130. The cooling module may be provided at a rear position of the pot body 110. The refrigeration module is used for refrigerating food in the inner pot, so that the cooking appliance 100 has a refrigeration safety function. In addition, a heating device and a control device are further disposed in the pot body 110, the heating device may be located below the inner pot 130 to heat the food in the inner pot 130, and the user can control the cooking operation of the cooking appliance 100 through the control device.

It should be noted that, in the present invention, the directional terms "upper", "lower", "outer" and "inner" are those determined based on the cooking appliance 100 which is placed upright and the lid 120 is in the closed state, the directional term "front" refers to a direction of the cooking appliance 100 facing the user with reference to a position where the user uses the cooking appliance 100, and corresponds to this, and the directional term "rear" refers to a direction of the cooking appliance 100 facing away from the user.

The electromagnetic heating assembly mainly includes a coil disk 151 and a coil (not shown) wound on the outside of the coil disk 151. The coil disk 151 may be generally constructed in a bowl-shaped structure. The coil disk 151 is used to mount and fix a coil, and for example, the coil may be wound on an outer surface of the coil disk 151 in a circumferential direction of the coil disk 151.

As shown in fig. 2, in the present embodiment, the coil disk 151 is configured as a double-layer structure having a cavity 154. The cavity 154 is a sealed chamber, and the cavity 154 is configured to extend circumferentially. Specifically, the coil disk 151 mainly includes an outer wall 152 and an inner wall 153 disposed inside the outer wall 152, a cavity 154 may be formed around the outer wall 152 and the inner wall 153, and a coil of the electromagnetic heating assembly may be wound on the outer wall 152. More specifically, both the outer wall 152 and the inner wall 153 may be configured as thin-walled structures extending circumferentially about the vertical direction. Preferably, the distance between the inner wall and the outer wall is 6mm to 10 mm. Further, the cavity 154 is a vacuum chamber after vacuum pumping. This can improve the heat insulating effect of the coil disk 151.

The coil disk 151 may be made of a heat insulating material to prevent heat in the inner pan 130 from being radiated outward through the coil disk 151, so that the cooking appliance 100 has a good heat insulating effect during a cooling operation, thereby improving a cooling efficiency of the cooling module.

Specifically, the coil disk 151 may be made of at least one material of mineral wool, glass fiber wool, aluminum silicate wool, rock wool, an inorganic microporous material, and an organic bubble-shaped heat insulating material. Specifically, the inorganic microporous material is preferably diatomaceous earth or calcium silicate. The organic air-bubble insulation material is preferably molded polystyrene foam (EPS), extruded polystyrene foam (XPS), polyurethane or polyurethane rigid foam (foaming agent). Preferably, the temperature resistance of coil disk 151 is greater than or equal to 80 ° and the flame retardant rating is above UL 94V-0. Further preferably, the heat conductivity of the coil disk 151 is 0.02W/Mk or more.

Referring back to fig. 1, a heat-preserving cover 160 may be further provided in the pot body 110, and the inner pot 130 is disposed inside the heat-preserving cover 160. The heat insulating cover 160 may be configured in a cylindrical structure having a circular ring shape. The bottom end of the heat-retaining cover 160 may be connected to the top end of the coil disk 151. The refrigeration module mainly comprises a refrigeration chip 141, a radiator 142 and a cold guide 143, the radiator 142 and the cold guide 143 can be oppositely arranged at two sides of the refrigeration chip 141, and the cold guide 143 is used for abutting against the heat preservation cover 160.

Specifically, in the present embodiment, the cooling chip 141 is a semiconductor cooling chip. The heat sink 142 may be disposed at a rear side of the cooling chip 141, and the cold conductor 143 may be disposed at a front side of the cooling chip 141. A heat-conducting silicone grease medium can be filled between the cold-conducting piece 143 and the heat-insulating cover, so that the two pieces are well jointed. The cold conductor 143 may be made of at least one material of aluminum, aluminum alloy, copper, and copper alloy. Preferably, the heat conductivity of the cold sink 143 is greater than or equal to 155W/m.k or more.

Unless defined otherwise, technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. Terms such as "disposed" and the like, as used herein, may refer to one element being directly attached to another element or one element being attached to another element through intervening elements. Features described herein in one embodiment may be applied to another embodiment, either alone or in combination with other features, unless the feature is otherwise inapplicable or otherwise stated in the other embodiment.

The present invention has been described in terms of the above embodiments, but it is to be understood that the above embodiments are for purposes of illustration and description only and are not intended to limit the invention to the described embodiments. It will be appreciated by those skilled in the art that many more modifications and variations are possible in light of the above teaching and are intended to be included within the scope of the invention.

Claims

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

a coil disk (151); and

a coil wound on an outer side of the coil disk,

wherein the coil disk is constructed in a double-layer structure having a cavity (154).

2. An electromagnetic heating assembly according to claim 1, wherein the coil disc comprises an outer wall (152) and an inner wall (153) arranged inside the outer wall, the outer wall and the inner wall forming the cavity there between around, the coil being wound on the outer wall.

3. An electromagnetic heating assembly according to claim 2, wherein the distance between the inner and outer walls is 6mm to 10 mm.

4. An electromagnetic heating assembly according to claim 1,

the cavity is a closed chamber, and/or

The cavity is a vacuum chamber after vacuum pumping.

5. An electromagnetic heating assembly according to claim 1, wherein the coil disc is made of a heat insulating material.

6. An electromagnetic heating assembly as claimed in claim 1, wherein the coil disc is made of at least one of mineral wool, glass fibre wool, aluminium silicate wool, rock wool, inorganic microporous material and organic bubble insulating material.

7. An electromagnetic heating assembly according to claim 1,

the temperature resistance of the coil panel is greater than or equal to 80 degrees; and/or

The flame retardant rating of the coil panel is above UL 94V-0.

8. An electromagnetic heating assembly according to claim 1, wherein the coil disc has a thermal conductivity of 0.02W/Mk or more.

9. A cooking appliance, comprising:

the cooker comprises a cooker body (110), wherein an inner pot (130) and a refrigeration module (140) are arranged in the cooker body; and

the cover body (120) is arranged on the cooker body in an openable and closable manner, and when the cover body covers the cooker body, a cooking space is formed between the cover body and the inner pot; and

an electromagnetic heating assembly as claimed in any one of claims 1 to 8, disposed in the pot body below the inner pot.

10. The cooking appliance according to claim 9, wherein a heat-preserving cover (160) is arranged in the pot body, the inner pot is arranged at the inner side of the heat-preserving cover, the refrigeration module comprises a refrigeration chip (141), a radiator (142) and a cold guide (143), the radiator and the cold guide are oppositely arranged at two sides of the refrigeration chip, and the cold guide is used for abutting against the heat-preserving cover.