Split type heating disc and electric cooking device

Abstract

A split-type heating plate and electric cooking device includes a panel, a heating element, an upper insulating mica sheet, a lower insulating mica sheet, and a cover. The upper insulating mica sheet, the heating element, and the lower insulating mica sheet are sequentially pressed and connected to the inner wall of the panel by the cover. The panel includes a body and a heating base. The heating base is located in the middle of the body, and an annular groove is provided on the outer side of the heating base. The outer ring of the heating base has protrusions that surround a recess. The heating element includes a heating core plate. The concave-convex design of the heating base can stably fix the electric cooking device, and the annular groove design can solve the problem of minor water leakage without corroding the interior of the heating plate, resulting in a long service life. Furthermore, the electric heating plate uses a heating core plate, which has a large heating area, low production cost, and high thermal efficiency.

Description

Technical Field

[0001] This utility model relates to the field of heating plate technology, specifically to a split heating plate and an electric cooking device. Background Technology

[0002] Separate heating plates are widely used in electric cooking appliances and are a common heating component.

[0003] However, existing split heating plates typically use heating tubes, which have a small heating area, poor heating efficiency, and unstable fixation with the electric cooking device. Summary of the Invention

[0004] The purpose of this invention is to provide a split heating plate and electric cooking device with high thermal efficiency and good fixing effect in order to solve the above problems.

[0005] To achieve the above objectives, the present invention provides the following technical solution:

[0006] This utility model provides a split-type heating plate, including a panel, a heating element, an upper insulating mica sheet, a lower insulating mica sheet, and a cover. The upper insulating mica sheet, the heating element, and the lower insulating mica sheet are sequentially pressed and connected to the inner wall of the panel by the cover.

[0007] The panel includes a body and a heating base. The heating base is located in the middle of the body, and an annular groove is located on the outer side of the heating base. A protrusion is located on the outer ring of the heating base, and the protrusion surrounds a recess.

[0008] The heating element includes a heating core plate. An upper insulating mica sheet and a lower insulating mica sheet are located above and below the heating core plate, respectively. The heating core plate includes a first mica sheet and a second mica sheet. Several slots are provided around the periphery of the first and second mica sheets. A heating wire is wound from the upper part of the first mica sheet, continuously wound within the slots, and then led out from the upper part of the second mica sheet, passing through the lower insulating mica sheet, a cover, and connecting to a terminal block.

[0009] The cap is welded to the side of the body.

[0010] The lower insulating mica sheet is provided with a corresponding heating wire lead-out opening, and the heating wire is led out from the lead-out opening of the cover.

[0011] The spacing between the various card slots is the same.

[0012] The difference in spacing between several of the aforementioned slots is less than 10% of the total spacing.

[0013] The outer edge of the heating base protrudes and then extends downwards to be integrally formed with the body.

[0014] The terminal block includes a terminal block and a rivet. The heating wire is led out from the lead wire opening of the cover and passes through the terminal block. One part of the rivet is sleeved on the terminal block, and the other end is riveted to the cover by a rivet.

[0015] An electric cooking device includes a kettle body and a separate heating plate, wherein the surface of the heating base is in contact with the bottom of the kettle body.

[0016] The beneficial effects are:

[0017] The concave-convex design of the heating base can stably fix the electric heating device, and the ring groove design can solve the problem of minor water leakage. It will not corrode the inside of the heating plate, resulting in a long service life. In addition, the electric heating plate uses a heating core plate, which has a large heating area, low production cost, and high thermal efficiency. Attached Figure Description

[0018] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0019] Figure 1 This is a cross-sectional view of the split heating plate of this utility model.

[0020] Figure 2 This is an exploded structural diagram of the split heating plate of this utility model;

[0021] Figure 3 This is a schematic diagram of the structure of the faceplate of this utility model;

[0022] Figure 4 This is the utility model Figure 1 A schematic diagram of the local method;

[0023] Figure 5 This is another exploded structural diagram of this utility model;

[0024] Figure 6 This is a schematic diagram of the structure of the cap of this utility model;

[0025] Figure 7 This is another exploded structural diagram of this utility model.

[0026] The annotations in the attached figures are explained as follows:

[0027] 1 – Panel, 101 – Ring groove, 102 – Protrusion, 2 – Upper insulating mica sheet, 3 – Heating element, 301 – First mica sheet, 302 – Second mica sheet, 303 – Heating wire, 304 – Slot, 4 – Lower insulating mica sheet, 5 – Cover, 6 – Rivet, 7 – Riveting piece, 8 – Terminal. Detailed Implementation

[0028] To make the objectives, technical solutions, and advantages of this utility model clearer, the technical solutions of this utility model will be described in detail below. Obviously, the described embodiments are only a part of the embodiments of this utility model, and not all of them. Based on the embodiments of this utility model, all other implementation methods obtained by those skilled in the art without creative effort are within the scope of protection of this utility model.

[0029] A split-type heating plate includes a panel 1, a heating element 3, an upper insulating mica sheet 2, a lower insulating mica sheet 4, and a cover 5. The upper insulating mica sheet 2, the heating element 3, and the lower insulating mica sheet 4 are sequentially pressed and connected to the inner wall of the panel 1 by the cover 5.

[0030] The panel 1 includes a body and a heating base. The heating base is located in the middle of the body, and an annular groove 101 is provided on the outer side of the heating base. A protrusion 102 is provided on the outer ring of the heating base, and the protrusion 102 surrounds a recess.

[0031] The heating element 3 includes a heating core plate. The upper insulating mica sheet 2 and the lower insulating mica sheet 4 are located above and below the heating core plate, respectively. The heating core plate includes a first mica sheet 301 and a second mica sheet 302. The first mica sheet 301 and the second mica sheet 302 are provided with a plurality of slots 304 around their peripheries. The heating wire 303 is wound from the upper part of the first mica sheet 301, continuously wound in the slots 304, and led out from the upper part of the second mica sheet 302, passing through the lower insulating mica sheet 4 and the cover 5 to connect to the terminal block.

[0032] The cover 5 is welded to the side of the body.

[0033] The lower insulating mica sheet 4 is provided with a corresponding heating wire 303 with an outlet opening, and the heating wire 303 is led out from the lead wire opening of the cover 5 through the outlet opening.

[0034] This utility model can adopt two types of card slot 304 designs, and the spacing of the card slots 304 can be equal or differ by 5 to 20.

[0035] The spacing between the plurality of card slots 304 is the same.

[0036] The difference in spacing between several of the card slots 304 is less than 10%, 5%, or 20% of the spacing.

[0037] The outer edge of the heating base protrudes 102 and then extends downward to be integrally formed with the body.

[0038] The terminal block includes a terminal block 8 and a rivet 7. The heating wire 303 is led out from the lead wire opening of the cover 5 and passes through the terminal block 8. A portion of the rivet 7 is sleeved on the terminal block 8, and the other end is riveted to the cover 5 by a rivet 6.

[0039] An electric cooking device includes a kettle body and a separate heating plate, wherein the surface of the heating base is in contact with the bottom of the kettle body.

[0040] The above are merely specific embodiments of this utility model, but the protection scope of this utility model is not limited thereto. Any variations or substitutions that can be easily conceived by those skilled in the art within the technical scope disclosed in this utility model should be included within the protection scope of this utility model. Therefore, the protection scope of this utility model should be determined by the scope of the claims.

Claims

1. A split-type heating plate, characterized in that: The device includes a panel, a heating element, an upper insulating mica sheet, a lower insulating mica sheet, and a cover. The upper insulating mica sheet, the heating element, and the lower insulating mica sheet are sequentially pressed and connected to the inner wall of the panel by the cover. The panel includes a body and a heating base. The heating base is located in the middle of the body, and an annular groove is located on the outer side of the heating base. A protrusion is located on the outer ring of the heating base, and the protrusion surrounds a recess. The heating element includes a heating core plate. An upper insulating mica sheet and a lower insulating mica sheet are located above and below the heating core plate, respectively. The heating core plate includes a first mica sheet and a second mica sheet. Several slots are provided around the periphery of the first and second mica sheets. A heating wire is wound from the upper part of the first mica sheet, continuously wound within the slots, and then led out from the upper part of the second mica sheet, passing through the lower insulating mica sheet, a cover, and connecting to a terminal block. The cap is welded to the side of the body.

2. A split-type heating plate according to claim 1, characterized in that: The lower insulating mica sheet is provided with a corresponding heating wire lead-out opening, and the heating wire is led out from the lead-out opening of the cover.

3. A split-type heating plate according to claim 1, characterized in that: The spacing between the various card slots is the same.

4. A split-type heating plate according to claim 1, characterized in that: The difference in spacing between several of the aforementioned slots is less than 5% to 20% of the spacing.

5. A split-type heating plate according to claim 1, characterized in that: The outer edge of the heating base protrudes and then extends downwards to be integrally formed with the body.

6. A split-type heating plate according to claim 1, characterized in that: The terminal block includes a terminal block and a rivet tab. The heating wire is led out from the lead wire opening of the cover and passes through the terminal block. One part of the rivet tab is sleeved on the terminal block, and the other end is riveted to the cover by a rivet.

7. An electric cooking device, characterized in that... It includes a kettle body and a split heating plate as described in any one of claims 1 to 6, wherein the surface of the heating base is in contact with the bottom of the kettle body.

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