Graphene flexible heating pad capable of conducting heat through superposition

Abstract

The utility model belongs to the technical field of graphene flexible heating pads, and particularly relates to a graphene flexible heating pad capable of conducting heat through superposition, which comprises a heating pad main body, the heating pad main body comprises a heating layer, a heat preservation layer is arranged on the lower end face of the heating layer, and a bottom layer is arranged on the lower end face of the heat preservation layer. Rapid heating can be carried out; a gap between the first heating film and the second heating film is filled through the first heat-conducting silica gel sheet, so that heat transfer between the first heating film and the second heating film is realized, the heating speed is increased, and the heating effect is improved; heat of the second heating film is conducted upwards through the second heat conduction silica gel sheet, heating use is facilitated, good heat insulation and heat preservation effects are achieved, heat loss is reduced, the heating effect is further improved, the strength is high, the wear-resisting effect is improved, and protection is achieved from the surface; and the buffer layer is made of heat-resistant sponge, is relatively soft and has good buffer performance, so that the comfort level is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of graphene flexible heating pad, concretely to a graphene flexible heating pad of superimposed heat conduction. BACKGROUND

[0002] The graphene electric heating blanket is a kind of electric heating blanket using graphene heat conduction technology, with the characteristics of fast heating, energy saving and environmental protection, safety and reliability etc.Graphene is a single-layer network structure composed of carbon atoms, with super-strong electric conductivity and thermal conductivity.The graphene sheet is embedded in the electric heating blanket, and the heat is quickly transferred to the body by current heating, playing the role of warming and health care.

[0003] The existing graphene electric heating blanket usually includes bottom layer, heating layer and surface layer, and the structure is relatively simple, which is single heating layer structure, and the heating speed and heating effect are general, and the heat loss is easy, which affects the heat preservation effect. SUMMARY

[0004] The utility model discloses a graphene flexible heating pad of superimposed heat conduction, which accelerates the heating speed, improves the heating effect, has good heat insulation and heat preservation effect, and improves the strength and comfort.

[0005] To achieve the above object, the utility model provides the following technical scheme: a graphene flexible heating pad of superimposed heat conduction, including heating pad main part, the heating pad main part includes heating layer, the lower end surface of heating layer is provided with heat preservation layer, the lower end surface of heat preservation layer is provided with bottom layer, the upper end surface of heating layer is provided with buffer layer, the upper end surface of buffer layer is provided with surface layer, and the heating layer includes first heating film, the lower end surface of first heating film is bonded with heat preservation layer, the upper end surface of first heating film is bonded with first heat-conducting silica gel piece by adhesive, the upper end surface of first heat-conducting silica gel piece is bonded with second heating film by adhesive, the upper end surface of second heating film is bonded with second heat-conducting silica gel piece by adhesive, and the upper end surface of second heat-conducting silica gel piece is bonded with the lower end surface of buffer layer.

[0006] To make the heating pad more durable, as a graphene flexible heating pad of superimposed heat conduction of the utility model preferably, heat preservation layer and bottom layer and buffer layer and surface layer are bonded by adhesive, and the side wall perimeter of heating pad main part is provided with edge covering.

[0007] To facilitate heating and heating, as a graphene flexible heating pad of superimposed heat conduction of the utility model preferably, the first heating film and second heating film are same in structure and are one of graphene electric heating film, graphene PTC electric heating film.

[0008] In order to improve the heat preservation effect of the heating pad, as a kind of superimposed heat conduction graphene flexible heating pad, the heat preservation layer material is flexible rubber plastic film.

[0009] In order to improve the wear resistance and strength of the bottom layer and the surface layer, as a kind of superimposed heat conduction graphene flexible heating pad, the bottom layer and the surface layer are both wear-resistant cloth.

[0010] In order to improve the comfort, as a kind of superimposed heat conduction graphene flexible heating pad, the buffer layer material is heat-resistant sponge.

[0011] In order to facilitate individual control of the first heating film and the second heating film, as a kind of superimposed heat conduction graphene flexible heating pad, the outer wall of the first heating film and the second heating film is connected with a connecting wire extending to the outside of the heating pad body, and the outer wall of the two connecting wires is provided with a controller.

[0012] Compared with the prior art, the utility model has the advantages that:

[0013] The heating layer is internally provided with two heating structures, i.e. a first heating film and a second heating film, and a first heat-conducting silica gel sheet is arranged between the first heating film and the second heating film, and a second heat-conducting silica gel sheet is arranged on the upper end face of the second heating film, so that the first heating film and the second heating film can be quickly heated when working simultaneously; the first heat-conducting silica gel sheet is used to fill the gap between the first heating film and the second heating film, so as to realize heat transfer between the first heating film and the second heating film, thereby accelerating the heating speed and improving the heating effect; the heat of the second heating film is transmitted upward through the second heat-conducting silica gel sheet, which is helpful for heating use.

[0014] The heat preservation layer material is flexible rubber plastic film, which has good heat insulation effect, reduces heat loss, further improves the heating effect, and is flexible material, which is more convenient to use as an electric blanket; the bottom layer and the surface layer are both wear-resistant cloth, which has high strength and improves the wear resistance; the buffer layer material is heat-resistant sponge, which is relatively soft and has good buffering performance, thereby improving the comfort. BRIEF DESCRIPTION OF DRAWINGS

[0015] Fig. 1 It is the overall overhead structure schematic diagram of the utility model;

[0016] Fig. 2 It is the exploded structure schematic diagram of the heating pad body of the utility model;

[0017] Fig. 3 It is the sectional structure schematic diagram of the heating layer of the utility model.

[0018] In the figure: 1, heating pad main body; 2, heating layer; 3, heat preservation layer; 4, bottom layer; 5, buffer layer; 6, surface layer; 7, first heating film; 8, first heat-conducting silica gel sheet; 9, second heating film; 10, second heat-conducting silica gel sheet; 11, edge covering; 12, connecting wire; 13, controller. DETAILED DESCRIPTION

[0019] Please refer to Figs. 1 to 3 A graphene flexible heating pad superimposed with heat conduction, comprising a heating pad main body 1, the heating pad main body 1 comprises a heating layer 2, the lower end surface of the heating layer 2 is provided with a heat preservation layer 3, the lower end surface of the heat preservation layer 3 is provided with a bottom layer 4, the upper end surface of the heating layer 2 is provided with a buffer layer 5; the upper end surface of the buffer layer 5 is provided with a surface layer 6, the heating layer 2 comprises a first heating film 7, the lower end surface of the first heating film 7 is bonded with the heat preservation layer 3, the upper end surface of the first heating film 7 is bonded with a first heat-conducting silica gel sheet 8 through adhesive, the upper end surface of the first heat-conducting silica gel sheet 8 is bonded with a second heating film 9 through adhesive, the upper end surface of the second heating film 9 is bonded with a second heat-conducting silica gel sheet 10 through adhesive, and the upper end surface of the second heat-conducting silica gel sheet 10 is bonded with the lower end surface of the buffer layer 5.

[0020] In the embodiment, two heating structures are arranged in the heating layer 2, namely the first heating film 7 and the second heating film 9, the first heat-conducting silica gel sheet 8 is arranged between the first heating film 7 and the second heating film 9, the upper end surface of the second heating film 9 is provided with the second heat-conducting silica gel sheet 10, and when the first heating film 7 and the second heating film 9 work simultaneously, heating can be quickly performed, the first heat-conducting silica gel sheet 8 is filled between the first heating film 7 and the second heating film 9, heat transfer between the first heating film 7 and the second heating film 9 is realized, so that the heating speed is accelerated and the heating effect is improved; the heat of the second heating film 9 is transmitted upward through the second heat-conducting silica gel sheet 10, which is helpful for heating use.

[0021] As a technical optimization scheme of the utility model, the heat preservation layer 3 and the bottom layer 4 and the buffer layer 5 and the surface layer 6 are bonded through adhesive, and the side wall periphery of the heating pad main body 1 is provided with an edge covering 11.

[0022] In the embodiment, the heat preservation layer 3 and the bottom layer 4 and the buffer layer 5 and the surface layer 6 are bonded through adhesive, the connecting strength between the layers is improved, and the edge of the heating pad main body 1 is covered by the edge covering 11 to prevent damage.

[0023] As a technical optimization scheme of the utility model, the first heating film 7 and the second heating film 9 are the same in structure and are one of graphene electric heating films and graphene PTC electric heating films.

[0024] In the embodiment, the thermal stability is good, energy is saved efficiently, and the heating effect is improved, so that active heating is facilitated.

[0025] As a technical optimization scheme of the utility model, the material of the heat preservation layer 3 is flexible rubber plastic film.

[0026] In this embodiment, the material of the heat preservation layer 3 is flexible rubber plastic film, which has good heat insulation effect, reduces heat loss, further improves heating effect, and is flexible material, which is more convenient for use as an electric blanket.

[0027] As a technical optimization scheme of the utility model, the bottom layer 4 and the surface layer 6 are both wear-resistant cloth.

[0028] In this embodiment, the bottom layer 4 and the surface layer 6 are both wear-resistant cloth, which has high strength and improves wear-resistant effect.

[0029] As a technical optimization scheme of the utility model, the material of the buffer layer 5 is heat-resistant sponge.

[0030] In this embodiment, the material of the buffer layer 5 is heat-resistant sponge, which is relatively soft and has good buffering performance, improving comfort.

[0031] As a technical optimization scheme of the utility model, the outer walls of the first heating film 7 and the second heating film 9 are both connected with connecting wires 12 extending to the outside of the heating pad main body 1, and the outer walls of the two connecting wires 12 are both provided with controllers 13.

[0032] In this embodiment, the first heating film 7 and the second heating film 9 are individually controlled through the two controllers 13, which is more convenient to use.

[0033] Working principle: the heating layer 2 is internally provided with two heating structures, which are the first heating film 7 and the second heating film 9, and the first heating film 7 and the second heating film 9 are provided with the first heat-conducting silica gel sheet 8, and the upper end surface of the second heating film 9 is provided with the second heat-conducting silica gel sheet 10, which can quickly heat when the first heating film 7 and the second heating film 9 work at the same time; the first heating film 7 and the second heating film 9 are filled with the first heat-conducting silica gel sheet 8 to fill the gap and realize heat transfer between the first heating film 7 and the second heating film 9, thereby accelerating the heating speed and improving the heating effect; the heat of the second heating film 9 is transmitted upward through the second heat-conducting silica gel sheet 10, which is helpful for heating use.

[0034] The above is only a preferred embodiment of the utility model, and is not used to limit the utility model, and any modification, equivalent replacement and improvement within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. A superimposed thermally conductive graphene flexible heating pad, comprising a heating pad body (1), characterized in that: The heating pad body (1) includes a heating layer (2), a heat insulation layer (3) is provided on the lower end surface of the heating layer (2), a bottom layer (4) is provided on the lower end surface of the heat insulation layer (3), a buffer layer (5) is provided on the upper end surface of the heating layer (2), a surface layer (6) is provided on the upper end surface of the buffer layer (5), the heating layer (2) includes a first heating film (7), the lower end surface of the first heating film (7) is bonded to the heat insulation layer (3), the upper end surface of the first heating film (7) is bonded to a first thermally conductive silicone sheet (8) by adhesive, the upper end surface of the first thermally conductive silicone sheet (8) is bonded to a second heating film (9) by adhesive, the upper end surface of the second heating film (9) is bonded to a second thermally conductive silicone sheet (10) by adhesive, and the upper end surface of the second thermally conductive silicone sheet (10) is bonded to the lower end surface of the buffer layer (5).

2. The superimposed thermally conductive graphene flexible heating pad according to claim 1, characterized in that: The insulation layer (3) and the bottom layer (4), as well as the buffer layer (5) and the surface layer (6), are all bonded together with adhesive. The side wall periphery of the heating pad body (1) is provided with a edging (11).

3. The superimposed thermally conductive graphene flexible heating pad according to claim 1, characterized in that: The first heating film (7) and the second heating film (9) have the same structure and are both either graphene electrothermal film or graphene PTC electrothermal film.

4. The superimposed thermally conductive graphene flexible heating pad according to claim 1, characterized in that: The insulation layer (3) is made of flexible rubber and plastic film.

5. The superimposed thermally conductive graphene flexible heating pad according to claim 1, characterized in that: Both the bottom layer (4) and the surface layer (6) are made of abrasion-resistant fabric.

6. The superimposed thermally conductive graphene flexible heating pad according to claim 1, characterized in that: The buffer layer (5) is made of heat-resistant sponge.

7. The superimposed thermally conductive graphene flexible heating pad according to claim 1, characterized in that: The outer walls of the first heating film (7) and the second heating film (9) are connected to connecting wires (12) extending to the outside of the heating pad body (1), and the outer walls of the two connecting wires (12) are provided with controllers (13).

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