CN220292204U

CN220292204U - Heating plate

Info

Publication number: CN220292204U
Application number: CN202321687247.6U
Authority: CN
Inventors: 居吉富
Original assignee: Dongguan Hongyang Thermal Energy Technology Co ltd
Current assignee: Dongguan Hongyang Thermal Energy Technology Co ltd
Priority date: 2023-06-29
Filing date: 2023-06-29
Publication date: 2024-01-02
Anticipated expiration: 2033-06-29

Abstract

The utility model discloses a heating plate, which comprises a heating sheet and graphene silica gel coated on the outer surface of the heating sheet; the heating sheet comprises a foldable base layer and a metal heating wire which is covered on one side surface of the foldable base layer, and the metal heating wire is bent and arranged; the utility model discloses a solar cell module, including heating piece, graphite alkene silica gel, heat piece, carbon crystal heating plate, graphite alkene silica gel cladding in the upper surface and/or the lower surface of heating piece, through the structural design and the cooperation of heating piece and graphite alkene silica gel, utilize the structural design of collapsible basic unit, make it buckle according to actual needs, be convenient for accomodate, and utilize the design of graphite alkene silica gel, make its whole sealed effectual that generates heat piece, and have waterproof effect, the bending design of curved surface portion relative plane portion has effectively been solved among the prior art, be inconvenient for accomodate, and the carbon crystal heating plate lacks waterproof construction, lead to the problem that carbon crystal heating plate intakes easily.

Description

Heating plate

Technical Field

The utility model relates to the technical field of heating plates, in particular to a heating plate.

Background

The heating plate is a safe and reliable electric heating plate which is electrified, the plate surface generates heat without electrification and open fire, and the shape of the heating plate is round or square. The heat efficiency is high because the heat conduction is mainly used. The existing heating plate is generally in a flat plate shape, and is difficult to adapt to the working conditions such as inner corners and the like requiring the bending of the heating plate, so that the application range of the heating plate is limited.

A carbon crystal heating plate has appeared in the market later, for example: CN213126508U, which comprises a carbon crystal heating sheet, a base layer and a surface layer; the base layer is arranged on one side of the carbon crystal heating plate; the surface layer is arranged on the other side of the carbon crystal heating sheet; the carbon crystal heating plate is provided with a plane part and a curved surface part, and the plane part and the curved surface part are integrally formed; the carbon crystal heating plate is provided with the plane part and the curved surface part, can be suitable for the working conditions of inner corners and the like requiring the bending of the carbon crystal heating plate, and improves the application range of the carbon crystal heating plate, but the bending design of the curved surface part relative to the plane part can solve the working conditions of inner corners and the like requiring the bending of the carbon crystal heating plate, but the carbon crystal heating plate is inconvenient to store, and the carbon crystal heating plate lacks a waterproof structure and is easy to cause water inflow of the carbon crystal heating plate.

Therefore, a new technical solution is needed to solve the above problems.

Disclosure of Invention

In view of the above, the main objective of the present utility model is to provide a heating plate, which uses the structural design of a foldable base layer to bend the heating plate according to the actual requirement, so as to facilitate storage, and uses the design of graphene silica gel to make the whole sealing effect of the heating plate good, and has a waterproof effect, so as to effectively solve the problems that the bending design of the curved surface part relative to the plane part in the conventional technology is inconvenient for storage, and the carbon crystal heating plate lacks a waterproof structure, so that the carbon crystal heating plate is easy to water.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

a heating plate comprises a heating sheet and graphene silica gel coated on the outer surface of the heating sheet;

the heating sheet comprises a foldable base layer and a metal heating wire which is covered on one side surface of the foldable base layer, and the metal heating wire is bent and arranged; the graphene silica gel is coated on the upper surface and/or the lower surface of the heating sheet.

As a preferred scheme, graphene silica gel is including last graphene silica gel and lower graphene silica gel, go up graphene silica gel, metal heater, collapsible basic unit, lower graphene silica gel and fold down in proper order from top to bottom, make its piece that generates heat wholly sealed effectual to have waterproof effect.

As a preferred scheme, the lower surface of going up graphene silica gel has first laminating portion, correspondingly, the upper surface of lower graphene silica gel corresponds first laminating portion department and is provided with second laminating portion, go up graphene silica gel, generate heat piece and lower graphene silica gel and fold down in proper order from top to bottom, first laminating portion laminating is in second laminating portion.

As a preferable scheme, the first attaching portion is disposed along the periphery of the lower surface of the upper graphene silica gel, and correspondingly, the second attaching portion is disposed along the periphery of the upper surface of the lower graphene silica gel.

As a preferred scheme, be provided with first hole of dodging on the piece that generates heat, go up graphene silica gel and all be provided with the second on the lower graphene silica gel and dodge the hole, the hole is just to link up with first dodging to the hole to the second, the piece that generates heat is connected with two lead ends, and two lead ends expose in the first hole department of dodging of piece that generates heat and are connected with the lead wire respectively, the end of lead wire stretches out the piece that generates heat outward, go up graphene silica gel's surface and correspond first hole department coating of dodging and have insulating glue, insulating glue encapsulates the connecting portion of lead wire end and lead wire inside, and insulating glue is with last graphene silica gel, lead wire end and the connection position both glues fixedly of lead wire.

Compared with the prior art, the utility model has obvious advantages and beneficial effects, in particular, the technical scheme shows that the heating plate is mainly characterized by adopting the structural design and matching of the heating plate and the graphene silica gel, wherein the heating plate comprises a foldable base layer and a metal heating wire covered on one side surface of the foldable base layer, the graphene silica gel is coated on the upper surface and/or the lower surface of the heating plate, the heating plate can be bent according to actual requirements by utilizing the structural design of the foldable base layer, the heating plate is convenient to store, and the heating plate is integrally sealed by utilizing the design of the graphene silica gel, has a good waterproof effect, and effectively solves the problems that the curved surface part is relatively flat, the storage is inconvenient, and a carbon crystal heating plate lacks a waterproof structure, and water inflow of the carbon crystal heating plate is easy to cause.

In order to more clearly illustrate the structural features and efficacy of the present utility model, the present utility model will be described in detail below with reference to the accompanying drawings and examples.

Drawings

FIG. 1 is a front view of an embodiment of the present utility model;

FIG. 2 is a rear view of an embodiment of the utility model (unpackaged insulating paste)

FIG. 3 is another rear view of an embodiment of the present utility model (with the leads unconnected);

FIG. 4 is an exploded view of an embodiment of the present utility model;

FIG. 5 is a cross-sectional view of an embodiment of the present utility model;

FIG. 6 is a partial enlarged view at FIG. 5A;

FIG. 7 is a schematic representation of the structure of a foldable base layer (folded state) according to an embodiment of the present utility model;

fig. 8 is a schematic representation of the structure of a foldable base layer (another folded state) according to an embodiment of the present utility model.

The attached drawings are used for identifying and describing:

10. heating sheet 11, foldable base layer

12. Metal heating wire 13 and first avoiding hole

14. Lead end 15, lead

20. Graphene silica gel 21 and graphene silica gel thereon

22. Lower graphene silica gel 23 and first attaching part

24. Second attaching portion 25, second avoiding hole

26. And (5) insulating glue.

Detailed Description

Referring to fig. 1 to 8, specific structures of embodiments of the present utility model are shown.

In the description of the present utility model, it should be noted that, for the azimuth words, terms such as "upper", "lower", "front", "rear", "left", "right", etc., indicate azimuth and positional relationships as shown based on the drawings or when worn normally, only for convenience of describing the present utility model and simplifying the description, but do not indicate or imply that the device or element to be referred must have a specific azimuth, be configured and operated in a specific azimuth, and should not be construed as limiting the specific protection scope of the present utility model.

A heating plate comprises a heating sheet 10 and graphene silica gel 20.

The graphene silica gel 20 is coated on the outer surface of the heating sheet 10; the heating sheet 10 comprises a foldable base layer 11 and a metal heating wire 12 covered on one side surface of the foldable base layer 11, wherein the metal heating wire 12 is bent and arranged. As shown in fig. 7 to 8, the structural state of the foldable base layer is embodied, and the foldable base layer 11 is designed to be folded in a selected manner to adapt to various use scenes and be convenient to store. For example, when the graphene silica gel 20 is bent in a centering manner, the graphene silica gel 20 is bent along with the angle of the foldable base layer 11, and at this time, the bending state is convenient for accommodating the heating plate and carrying and transporting. The foldable base layer 11 may be folded according to the actual requirement, so as to meet the actual requirement, and will not be described again. The foldable base layer 11 may also be understood as a foldable substrate.

The heating sheet 10 is provided with a first avoiding hole 13, the heating sheet 10 is connected with two lead ends 14, the two lead ends 14 are exposed out of the first avoiding hole 13 of the heating sheet 10 and are respectively connected with a lead 15, and the ends of the leads 15 extend out of the heating sheet 10.

The graphene silica gel 20 is coated on the upper surface and/or the lower surface of the heat generating sheet 10. The graphene silica gel 20 may be disposed on the upper surface of the heat generating sheet 10, may be disposed on the lower surface of the heat generating sheet 10, may be disposed on the upper and lower surfaces of the heat generating sheet 10, and may be selected according to actual needs, which is not described again.

The graphene silica gel 20 comprises an upper graphene silica gel 21 and a lower graphene silica gel 22, and the upper graphene silica gel 21, the metal heating wire 12, the foldable base layer 11 and the lower graphene silica gel 22 are sequentially overlapped from top to bottom. The first and second bonding portions 23 and 24 may be bonded together by gluing.

In the actual manufacturing process, the heating sheet 10, the semi-raw and semi-cooked upper graphene silica gel 21 and the lower graphene silica gel 22 are firstly manufactured, and then the upper graphene silica gel 21, the heating sheet 10 and the lower graphene silica gel 22 are sequentially stacked and formed in a mold in a pressing mode. The half-raw half-cooked one-side raw one-side cooked silicon adhesive tape is mainly formed by a nickel-chromium heating wire and a heat-resistant insulating layer through a production and manufacturing mode of a silicon adhesive tape heating plate.

Or firstly preparing the heating sheet 10, then injecting liquid silica gel into a mold for injection molding to obtain the graphene silica gel 20, and coating one side surface or the surfaces of the two sides of the heating sheet 10. Can be selected according to actual needs, and will not be described again. The half-cooked graphene silica gel 20 sheets are formed by mixing a plurality of graphene powder in common silica gel and then forming the half-cooked graphene silica gel sheets, and the graphene powder is added, so that the heat dissipation speed is improved, and the temperature uniformity of the whole heating piece is better. The graphene silica gel 20 is a prior art in the field, and will not be described in detail again.

The lower surface of the upper graphene silica gel 21 is provided with a first attaching part 23, correspondingly, a second attaching part 24 is arranged at the position, corresponding to the first attaching part 23, of the upper surface of the lower graphene silica gel 22, the upper graphene silica gel 21, the heating sheet 10 and the lower graphene silica gel 22 are sequentially overlapped from top to bottom, and the first attaching part 23 is attached to the second attaching part 24. Preferably, the first bonding part 23 is disposed along the periphery of the lower surface of the upper graphene silica gel 21, and correspondingly, the second bonding part 24 is disposed along the periphery of the upper surface of the lower graphene silica gel 22.

The upper graphene silica gel 21 and the lower graphene silica gel 22 are respectively provided with a second avoidance hole 25, the second avoidance holes 25 are just opposite to the first avoidance holes 13, insulating glue 26 is coated on the outer surface of the upper graphene silica gel 21 corresponding to the first avoidance holes 13, the connecting parts of the lead ends 14 and the leads 15 are encapsulated in the insulating glue 26, and the insulating glue 26 is used for adhesively fixing the upper graphene silica gel 21, the lead ends 14 and the connecting parts of the leads 15.

The utility model mainly aims at the design and matching of the heating sheet and the graphene silica gel, wherein the heating sheet comprises a foldable base layer and a metal heating wire covered on one side surface of the foldable base layer, the graphene silica gel is coated on the upper surface and/or the lower surface of the heating sheet, the heating sheet can be folded according to actual needs by utilizing the structural design of the foldable base layer, the heating sheet is convenient to store, and the whole heating sheet is sealed well by utilizing the design of the graphene silica gel and has a waterproof effect, so that the problems that the curved surface part is relatively flat in the prior art, the folding design is inconvenient to store, and the carbon crystal heating sheet lacks a waterproof structure, so that the carbon crystal heating sheet is easy to enter water are effectively solved.

The foregoing description is only a preferred embodiment of the present utility model, and is not intended to limit the technical scope of the present utility model, so any minor modifications, equivalent changes and modifications made to the above embodiments according to the technical principles of the present utility model are still within the scope of the technical solutions of the present utility model.

Claims

1. A heating plate, characterized in that: the heating sheet comprises a heating sheet and graphene silica gel coated on the outer surface of the heating sheet;

2. A heat-generating plate as set forth in claim 1, wherein: the graphene silica gel comprises an upper graphene silica gel and a lower graphene silica gel, and the upper graphene silica gel, the metal heating wire, the foldable base layer and the lower graphene silica gel are sequentially stacked from top to bottom.

3. A heat-generating plate as set forth in claim 2, wherein: the lower surface of going up graphene silica gel has first laminating portion, correspondingly, the upper surface of lower graphene silica gel corresponds first laminating portion department and is provided with second laminating portion, go up graphene silica gel, generate heat piece and lower graphene silica gel and fold down in proper order by last, first laminating portion laminating is in second laminating portion.

4. A heat-generating plate as set forth in claim 3, wherein: the first laminating portion sets up along the lower surface periphery of last graphite alkene silica gel, correspondingly, the upper surface periphery of second laminating portion along lower graphite alkene silica gel sets up.

5. A heat-generating plate as set forth in claim 2, wherein: the heating sheet is provided with a first avoiding hole, the upper graphene silica gel and the lower graphene silica gel are provided with second avoiding holes, the second avoiding holes are just opposite to the first avoiding holes and are communicated with each other, the heating sheet is connected with two lead ends, the two lead ends are exposed out of the first avoiding holes of the heating sheet and are respectively connected with leads, the ends of the leads extend out of the heating sheet, the outer surface of the upper graphene silica gel is coated with insulating glue corresponding to the first avoiding holes, the connecting parts of the lead ends and the leads are encapsulated inside by the insulating glue, and the insulating glue is used for adhesively fixing the upper graphene silica gel, the lead ends and the connecting parts of the leads.