CN215016256U

CN215016256U - Electric cooker heating plate adopting PTC semiconductor heating mode

Info

Publication number: CN215016256U
Application number: CN202121815548.3U
Authority: CN
Inventors: 陆建华
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-08-04
Filing date: 2021-08-04
Publication date: 2021-12-07
Anticipated expiration: 2031-08-04

Abstract

A heating plate of an electric cooker adopting a PTC semiconductor heating mode comprises a first disc, wherein a second disc is arranged above the first disc, a first round hole is formed in the middle of the first disc, a second round hole is formed in the middle of the second disc, the first round hole and the second round hole are arranged in a vertically corresponding mode, and a first heat-conducting glue layer is arranged between the first disc and the second disc; the second disc is provided with a plurality of PTC semiconductor heating strips, the PTC semiconductor heating strips are evenly distributed on the second disc, and a second heat-conducting adhesive layer is arranged between the PTC semiconductor heating strips and the second disc. The utility model discloses a rice cooker heating plate adopts PTC semiconductor heating plate and aluminium system disc etc. to make PTC semiconductor heating plate, has that the heating is even, and long service life practices thrift benefits such as electric energy, compares with same volumetric heating wire rice cooker, practices thrift about the electric energy 30%.

Description

Electric cooker heating plate adopting PTC semiconductor heating mode

Technical Field

The utility model relates to a PTC semiconductor heating mode's rice cooker heating plate.

Background

The electric cooker is a modern cooker which can be used for steaming, boiling, stewing and braising by generating high temperature in the cooker body after being electrified by a heating body. The multifunctional cooking machine can cook food, can preserve heat, is clean and sanitary to use, has no pollution, saves time and labor, and is one of indispensable tools for modernization of housework.

The heating element of the electric cooker usually adopts an electric heating tube type heating plate; the electrothermal tube type heating plate has the advantages of good insulativity, corrosion resistance, heat conductivity and mechanical strength, long service life, high efficiency and the like, however, the electrothermal heating can not ensure uniform internal heating, and the energy consumption is very high, so that the electrothermal tube type heating plate is not suitable for consumers with high requirements on heating quality or requirements on energy consumption.

Therefore, a heating plate for a PTC semiconductor heating type electric rice cooker has been devised to solve the above problems.

It should be noted that the above background description is only for the sake of clarity and complete description of the technical solutions of the present invention, and is set forth for facilitating understanding of those skilled in the art. These solutions are not considered to be known to the person skilled in the art merely because they have been set forth in the background section of the present invention.

Disclosure of Invention

In order to overcome the defects in the prior art, the utility model aims to provide a heating plate of an electric cooker with a PTC semiconductor heating mode.

In order to achieve the above objects and other related objects, the present invention provides a technical solution: a heating plate of an electric cooker adopting a PTC semiconductor heating mode comprises a first disc, wherein a second disc is arranged above the first disc, a first round hole is formed in the middle of the first disc, a second round hole is formed in the middle of the second disc, the first round hole and the second round hole are arranged in a vertically corresponding mode, and a first heat-conducting glue layer is arranged between the first disc and the second disc; the second disc is provided with a plurality of PTC semiconductor heating strips, the PTC semiconductor heating strips are evenly distributed on the second disc, and a second heat-conducting adhesive layer is arranged between the PTC semiconductor heating strips and the second disc.

The preferable technical scheme is as follows: a plurality of placing grooves are formed in the second disc, the number of the placing grooves is equal to that of the PTC semiconductor heating strips, and the PTC semiconductor heating strips are arranged in the placing grooves in a one-to-one correspondence mode.

The preferable technical scheme is as follows: the PTC semiconductor heating strips are distributed in an annular array by taking the second round hole as the center.

The preferable technical scheme is as follows: the first disc and the second disc are fixedly connected through a plurality of screws, and the screws are distributed between two adjacent PTC semiconductor heating strips one by one.

The preferable technical scheme is as follows: the second disc is provided with a plurality of fixing columns, and the fixing columns are distributed in an annular array by taking the second round hole as a center and are located between two adjacent PTC semiconductor heating strips.

The preferable technical scheme is as follows: the diameter of the first disk is greater than the diameter of the second disk.

The preferable technical scheme is as follows: the number of the PTC semiconductor heating strips is 8.

The preferable technical scheme is as follows: the number of the fixed columns is more than or equal to 4.

The preferable technical scheme is as follows: the first disc and the second disc are made of aluminum materials.

Because of the application of the technical scheme, compared with the prior art, the utility model the advantage that has is:

the utility model discloses a rice cooker heating plate adopts PTC semiconductor heating plate and aluminium system disc etc. to make PTC semiconductor heating plate, has that the heating is even, and long service life practices thrift benefits such as electric energy, compares with same volumetric heating wire rice cooker, practices thrift about the electric energy 30%.

Drawings

Fig. 1 is a front schematic view of the present invention.

Fig. 2 is a schematic back view of the present invention.

In the above drawings, a first disc 1, a second disc 2, a first round hole 3, a second round hole 4, a PTC semiconductor heating strip 5, a placing groove 6, a screw 7 and a fixing column 8.

Detailed Description

The following description is provided for illustrative purposes, and other advantages and features of the present invention will become apparent to those skilled in the art from the following detailed description.

Please refer to fig. 1 and 2. It should be understood that in the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship that the product of the present invention is usually placed when in use, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the device or element to which the term refers must have a specific position, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance. The terms "horizontal", "vertical", "overhang" and the like do not imply that the components are required to be absolutely horizontal or overhang, but may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.

In the description of the present invention, it should be further noted that, unless otherwise explicitly stated or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may include, for example, a fixed connection, a detachable connection, an integral connection, a mechanical connection, an electrical connection, a direct connection, an indirect connection via an intermediate medium, and a connection between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example (b): as shown in fig. 1 and 2, a heating plate of an electric cooker with a PTC semiconductor heating mode comprises a first disc 1, a second disc 2 is arranged above the first disc 1, a first round hole 3 is formed in the middle of the first disc 1, a second round hole 4 is formed in the middle of the second disc 2, the first round hole 3 and the second round hole 4 are arranged in a vertically corresponding manner, and a first heat-conducting adhesive layer is arranged between the first disc 1 and the second disc 2; a plurality of PTC semiconductor heating strips 5 are arranged on the second disc 2, the PTC semiconductor heating strips 5 are uniformly distributed on the second disc 2, and a second heat-conducting adhesive layer is arranged between the PTC semiconductor heating strips 5 and the second disc 2. A plurality of placing grooves 6 are formed in the second disc 2, the number of the placing grooves 6 is equal to that of the PTC semiconductor heating strips 5, and the PTC semiconductor heating strips 5 are arranged in the placing grooves 6 in a one-to-one correspondence mode. The PTC semiconductor heating strips 5 are distributed in an annular array by taking the second round hole 4 as a center. The first disk 1 and the second disk 2 are fixedly connected through a plurality of screws 7, and the screws 7 are distributed between two adjacent PTC semiconductor heating strips 5 one by one. A plurality of fixing columns 8 are arranged on the second disc 2, and the fixing columns 8 are distributed in an annular array by taking the second round hole 4 as a center and are positioned between the two adjacent PTC semiconductor heating strips 5. The diameter of the first disc 1 is larger than the diameter of the second disc 2. The number of the PTC semiconductor heating strips 5 is 8. The number of the fixing posts 8 is greater than or equal to 4. The materials of the first disc 1 and the second disc 2 are both aluminum materials.

Wherein, fig. 2 is the contact surface of the heating plate body of the electric cooker.

The power of the semiconductor heating plate is set to 600-1200 watts, the specific size of the PTC semiconductor heating strip is manufactured according to the size of the electric cooker, the two aluminum disks are fixed by screws and must be tightly combined, the PTC semiconductor heating strip and the disks must be tightly combined, and a joint part is coated with heat-conducting glue without a gap.

Wherein, the PTC sheet has high voltage and low voltage, which can satisfy 12V and 220V. If a PTC semiconductor heating sheet with low voltage of 12V is selected, the low-voltage direct-current electric cooker can be manufactured.

The above embodiments are merely illustrative of the principles and effects of the present invention, and are not to be construed as limiting the invention. Modifications and variations can be made to the above-described embodiments by those skilled in the art without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which may be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.

Claims

1. The utility model provides a PTC semiconductor heating mode's electric cooker heating plate which characterized in that: the heat-conducting adhesive tape comprises a first disc, wherein a second disc is arranged above the first disc, a first round hole is formed in the middle of the first disc, a second round hole is formed in the middle of the second disc, the first round hole and the second round hole are arranged in a vertically corresponding mode, and a first heat-conducting adhesive layer is arranged between the first disc and the second disc; the second disc is provided with a plurality of PTC semiconductor heating strips, the PTC semiconductor heating strips are evenly distributed on the second disc, and a second heat-conducting adhesive layer is arranged between the PTC semiconductor heating strips and the second disc.

2. The heater plate of an electric rice cooker of a PTC semiconductor heating system according to claim 1, wherein: a plurality of placing grooves are formed in the second disc, the number of the placing grooves is equal to that of the PTC semiconductor heating strips, and the PTC semiconductor heating strips are arranged in the placing grooves in a one-to-one correspondence mode.

3. The heater plate of an electric rice cooker of a PTC semiconductor heating system according to claim 2, wherein: the PTC semiconductor heating strips are distributed in an annular array by taking the second round hole as the center.

4. The heater plate of an electric rice cooker of a PTC semiconductor heating system according to claim 3, wherein: the first disc and the second disc are fixedly connected through a plurality of screws, and the screws are distributed between two adjacent PTC semiconductor heating strips one by one.

5. The heater plate of an electric rice cooker of a PTC semiconductor heating system according to claim 4, wherein: the second disc is provided with a plurality of fixing columns, and the fixing columns are distributed in an annular array by taking the second round hole as a center and are located between two adjacent PTC semiconductor heating strips.

6. The heater plate of an electric rice cooker of a PTC semiconductor heating system according to claim 5, wherein: the diameter of the first disk is greater than the diameter of the second disk.

7. The heater plate of an electric rice cooker of a PTC semiconductor heating system according to claim 6, wherein: the number of the PTC semiconductor heating strips is 8.

8. The heater plate of an electric rice cooker of a PTC semiconductor heating system according to claim 7, wherein: the number of the fixed columns is more than or equal to 4.

9. The heater plate of an electric rice cooker of a PTC semiconductor heating system according to claim 8, wherein: the first disc and the second disc are made of aluminum materials.