WO2020134046A1

WO2020134046A1 - Heating and insulation device of novel electric cooker

Info

Publication number: WO2020134046A1
Application number: PCT/CN2019/097197
Authority: WO
Inventors: 张喜平
Original assignee: 中山市掌声电器有限公司
Priority date: 2018-12-29
Filing date: 2019-07-23
Publication date: 2020-07-02
Also published as: CN209770013U

Abstract

Disclosed is a heating and insulation device of an electric cooker, the device comprising a heat preservation cover (1), wherein a heating plate (2) is provided at the bottom of an inner wall of the heat preservation cover (1), an H-shaped liner (3) is provided at the top of the heating plate (2), and the H-shaped liner (3) comprises a liner main body (31) and a heat conductive/insulated ring (32) located at the bottom of the liner. The heating and thermal insulation device of the electric cooker is configured such that the heating plate (2) is mounted inside the heat conductive/insulated ring (32) located at the bottom of the liner, a surface of the heating plate (2) is in good contact with the bottom of the liner main body (31), and a side face of the heating plate (2) is also in good contact with the inner wall of the heat conductive/insulated ring (32) located at the bottom of the liner, so that the heat conducting area is larger and the heat conducting effect is faster and better. The heating plate (2) is fully enclosed by the heat conductive/insulated ring (32) located at the bottom of the liner so that the insulation and heat preservation effects thereof are better, and the bottom of the liner (3) that is in contact with the heating plate (2) is fully enclosed and supported by the heat conductive/insulated ring (32) located at the bottom of the liner, so that the bottom of the liner (3) will not easily make contact with the outside, the liner (3) is not likely to deform, and the liner (3) is durable in use.

Description

A new type of heating and heat insulation device for electric rice cooker

Technical field

The utility model relates to the technical field of household appliances, in particular to a new type of heating and heat insulation device for electric rice cookers.

Background technique

Rice cookers are also known as rice cookers and rice cookers. It is a cooker that converts electrical energy into internal energy. It is easy to use, clean and hygienic. It also has various operating functions such as steaming, boiling, stewing and simmering food. The main structure of an ordinary rice cooker is composed of a heating plate, a temperature limiter, a heat preservation switch, a lever switch, a current limiting resistor, an indicator light, a socket, an inner tank and so on. The shape of the circulating liner is barrel or spherical, and there is a certain gap between the heating plate and the liner, which is easy to cause heat loss and increase power consumption. The device creatively designs a new type of inner liner (called H-shaped inner liner) composed of an inner liner body and a heat conductive insulation ring at the bottom of the liner. Processed or not removable

Ground fixed connection. Removable heating plate

It is installed in the thermal insulation ring at the bottom of the liner. The surface of the heating plate keeps in good contact with the bottom of the inner body, the side of the heating plate and the inner wall of the thermal insulation ring at the bottom of the liner, so that the thermal conduction area is larger and the thermal conduction effect is better. The thermal insulation ring at the bottom of the liner completely encloses the heating plate, so that the temperature of the heating plate is more transmitted to the main body of the liner, and it can prevent the heat of the heating plate from spreading to the insulation cover less, so that the whole machine has better thermal performance. The inner liner has better heat insulation and thermal insulation effect.

technical problem

In view of the shortcomings of the existing technology, the utility model provides a new type of heating and heat insulation device for an electric rice cooker, which solves the problem that there is a certain gap between the existing heating plate and the inner liner, which is easy to cause heat loss and increase power consumption.

Technical solution

In order to achieve the above object, the present utility model is realized by the following technical solution: a new type of heating and heat insulation device for an electric rice cooker, including a heat insulation cover, a heating plate is provided at the bottom of the inner wall of the insulation cover, and H is provided at the top of the heating plate Inner liner, the H-shaped liner includes an inner liner body and a thermally conductive heat insulation ring at the bottom of the liner.

Preferably, the inner body and the thermal insulation ring at the bottom of the inner liner are integrally formed or are not removable

Ground fixed connection.

Preferably, the heating plate is located in the thermal insulation ring at the bottom of the liner and can be disassembled at the same time.

Preferably, the surface of the heating plate is in good contact with the bottom of the inner body of the liner, the side of the heating plate and the inner wall of the thermal insulation ring at the bottom of the liner.

Preferably, the heat-conducting heat insulation ring at the bottom of the liner completely surrounds the heating plate.

Preferably, the front sectional view of the H-shaped liner is H-shaped.

Beneficial effect

The utility model provides a novel heating and heat insulation device for an electric rice cooker. Has the following beneficial effects:

(1) The heating and heat insulation device of the new rice cooker is provided with a heating plate through the bottom of the inner wall of the heat insulation cover, and the top of the heating plate is provided with an H-shaped liner. The heating plate is installed in the thermal insulation ring at the bottom of the liner. The surface of the heating plate is in good contact with the bottom of the main body of the liner, the side of the heating plate and the inner wall of the thermal insulation ring at the bottom of the liner. The effect is faster and better. The thermal insulation ring at the bottom of the liner completely surrounds the heating plate to form an insulation ring, so that the temperature of the heating plate is more transmitted to the main body of the liner, and it can also prevent the heat of the heating plate from reaching the heat preservation less The hood diffuses to make the whole machine better in thermal performance, and the heat insulation and heat preservation effect of the inner tank is better. It is not easy to contact with the outside, the liner is not easy to deform, and the liner is durable.

BRIEF DESCRIPTION

Figure 1 is a schematic diagram of the overall structure of the utility model;

Fig. 2 is a schematic diagram of the structure of the H-type inner container of the utility model.

In the picture: 1 heat insulation cover, 2 heating plate, 3H inner liner, 31 inner liner body, 32 inner liner bottom thermal insulation ring.

Best Mode of the Invention

The technical solutions in the embodiments of the present invention will be described clearly and completely in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, but not all of them. example. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without making creative efforts fall within the protection scope of the present invention.

Please refer to FIGS. 1-2, the utility model provides a technical solution: a new type of heating and heat insulation device for an electric rice cooker includes a heat insulation cover 1, a heat generating plate 2 is provided at the bottom of the inner wall of the heat insulating cover 1, and a top of the heat generating plate 2 is provided with H-shaped liner 3, H-shaped liner 3 includes a liner body 31 and a thermal insulation ring 32 at the bottom of the liner, so that the heating plate is installed in the thermal insulation ring at the bottom of the liner, the surface of the heating plate and the bottom of the liner body, The side of the heating plate keeps good contact with the inner wall of the thermal insulation ring at the bottom of the liner, so that the heat conduction area is larger, and the thermal conduction effect is faster and better. The thermal insulation ring at the bottom of the liner completely surrounds the heating plate to form an insulation ring, so that The temperature of the heating plate is more conducted to the main body of the inner liner, which can also prevent the heat of the heating plate from spreading to the insulation cover less, so that the overall thermal efficiency of the machine is better, and the inner liner has better thermal insulation and thermal insulation effects, and is related to the surface of the heating plate The bottom of the liner is completely surrounded and supported by the thermal insulation ring on the bottom of the liner, so that the bottom of the liner is not easily contacted with the outside, the liner is not easily deformed, and the inner liner body 31 and the bottom of the liner are durable The heat-conducting insulation ring 32 is integrally formed or is not removable

The heating plate 2 is located in the thermal insulation ring 32 at the bottom of the liner, and can be disassembled at the same time. The surface of the heating plate 2 and the bottom of the main body 31 of the liner, the side of the heating plate 2 and the inner wall of the thermal insulation ring 32 at the bottom of the liner are maintained With good contact, the heat insulation ring 32 at the bottom of the liner completely surrounds the heating plate 2, and the front cross-sectional view of the H-shaped liner 3 is H-shaped.

Embodiments of the invention

When in use, the H-shaped liner 3 is placed on the heating plate 2 to cook rice, so that the heating plate is installed in the heat insulation ring at the bottom of the liner, the surface of the heating plate and the bottom of the body of the liner, and the side of the heating plate The inner wall of the thermal insulation ring at the bottom of the liner keeps good contact, which makes the heat conduction area larger, and the heat conduction effect is faster and better. The thermal insulation ring at the bottom of the liner completely surrounds the heating plate to form an insulating ring, which makes the temperature of the heating plate more Conducting more space to the inner body of the liner, can also prevent the heat of the heating plate from spreading to the insulation cover less, so that the whole machine has better thermal performance, the insulation and heat insulation effect of the liner is better, and the bottom of the liner is in contact with the surface of the heating plate The bottom of the liner is completely surrounded and supported by the thermal insulation ring at the bottom of the liner. The bottom of the liner is not easy to contact with the outside, the liner is not easy to deform, and the liner is durable.

It should be noted that in this article, relational terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply that these entities or operations There is any such actual relationship or order. Moreover, the terms "include", "include" or any other variant thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device that includes a series of elements includes not only those elements, but also those not explicitly listed Or other elements that are inherent to this process, method, article, or equipment. Without more restrictions. The phrase "including an element defined by ... does not exclude that there are other identical elements in the process, method, article or equipment that includes the element."

Although the embodiments of the present invention have been shown and described, those of ordinary skill in the art can understand that various changes and modifications can be made to these embodiments without departing from the principle and spirit of the present invention , Replacement and modification, the scope of the present invention is defined by the appended claims and their equivalents.

Claims

A new type of heating and heat insulation device for an electric rice cooker includes a heat insulation cover (1), which is characterized in that: a heating plate (2) is provided at the bottom of the inner wall of the insulation cover (1), and a top of the heating plate (2) is provided An H-shaped liner (3). The H-shaped liner (3) includes an inner liner body (31) and a thermally conductive heat insulation ring (32) at the bottom of the inner liner.
The heating and heat insulation device for a new type of electric rice cooker according to claim 1, characterized in that the inner body (31) and the heat conduction insulation ring (32) at the bottom of the inner tank are integrally formed or are not removable
Ground fixed connection.
The heating and heat insulation device for a new type of electric rice cooker according to claim 1, characterized in that the heating plate (2) is located in a thermal insulation ring (32) at the bottom of the liner and can be disassembled at the same time.
The heating and heat insulation device for a new type of rice cooker according to claim 1, characterized in that: the surface of the heating plate (2) and the bottom of the inner body (31), the side of the heating plate (2) and the bottom of the inner heat conduction The inner wall of the hot ring (32) is kept in good contact.
The heating and heat insulation device for a new type of electric rice cooker according to claim 1, characterized in that: the heat conduction insulation ring (32) at the bottom of the inner tank completely surrounds the heating plate (2).
The heating and heat insulation device for a new type of rice cooker according to claim 1, characterized in that the front cross-sectional view of the H-shaped liner (3) is H-shaped.