CN214413065U

CN214413065U - Double-layer graphene heat-conducting film

Info

Publication number: CN214413065U
Application number: CN202022866451.7U
Authority: CN
Inventors: 戴明
Original assignee: Beijing Benma Graphene Technology Co ltd
Current assignee: Beijing Benma Graphene Technology Co ltd
Priority date: 2020-12-02
Filing date: 2020-12-02
Publication date: 2021-10-15
Anticipated expiration: 2030-12-02

Abstract

The utility model relates to a double-layer graphene heat-conducting film, the heat-conducting film comprises an upper PET film, a graphene heat-conducting layer, a heat-conducting silica gel layer, a graphene heating layer, an infrared reflecting layer and a lower PET film from top to bottom, one side of the graphene heating layer is provided with an electrode strip, and both ends of the electrode strip extend to the outside of the heat-conducting film through wires and are connected with a male joint and a female joint; the thickness of the graphene heat conduction layer is 50-200 mu m, and the thickness of the graphene heating layer is 100-500 mu m. This double-deck graphite alkene thermal film has combined the characteristics of the infrared reflectivity of the heat conductivity of generating heat and the infrared reflection layer of graphite alkene heating film for the heat upwards conducts better, improves hot conductive effective rate.

Description

Double-layer graphene heat-conducting film

Technical Field

The utility model belongs to the technical field of the electric heat floor, in particular to double-deck graphite alkene heat conduction membrane for electric heat timber apron.

Background

Along with the improvement of living standard, the adopted floor has more and more requirements on the functionality when being decorated, wherein, the composite electric heating floor is a composite floor structure of which the floor material is artificially changed, on one hand, the heating is carried out under the sole of the foot, which accords with the health care habit of human body and is beneficial to the health of human body; on the other hand, the electric heating floor can heat the room, has small heat source loss and can save energy. The heating is realized through the built-in heating film that generates heat in current compound electric heat floor, and wherein graphite alkene heat conduction membrane is as neotype heat conduction material, and it has excellent heat conduction heat dispersion, and the heat can be conducted in the plane direction fast. But too much isolation layer or protective layer are laid to current graphite alkene heating film upper and lower floor when the design, lead to its radiating effect not good, go on simultaneously towards the top and bottom during graphite alkene heat dissipation moreover, and partial heat downwardly conducting leads to its efficiency of generating heat to reduce.

SUMMERY OF THE UTILITY MODEL

To the technical problem, the utility model provides a double-deck graphite alkene heat conduction membrane of high heat conduction.

In order to achieve the purpose, the technical proposal adopted by the utility model is that

A double-layer graphene heat-conducting film comprises an upper-layer PET film, a graphene heat-conducting layer, a heat-conducting silica gel layer, a graphene heating layer, an infrared reflecting layer and a lower-layer PET film from top to bottom, wherein an electrode strip is arranged on one side of the graphene heating layer, and both ends of the electrode strip extend to the outside of the heat-conducting film through wires and are connected with a male joint and a female joint; the thickness of the graphene heat conduction layer is 50-200 mu m, and the thickness of the graphene heating layer is 100-500 mu m.

In an improved technical scheme, extending blocks extending upwards are uniformly distributed above the graphene heating layer, the extending blocks are embedded into the heat-conducting silica gel layer, and the height of the extending blocks is smaller than that of the heat-conducting silica gel layer.

Further, the extending blocks are square or trapezoidal, and the distance between every two adjacent extending blocks is 50-100 μm.

According to the technical scheme, the PET film is characterized in that an adhesive layer is arranged on the bottom surface of the lower PET film, and a release paper layer is arranged on the bottom surface of the adhesive layer.

Further, the thickness of the upper layer PET film is 10-100 μm, and the thickness of the lower layer PET film is 50-150 μm.

Furthermore, the infrared reflecting layer is a metal aluminum reflecting layer, and the thickness of the infrared reflecting layer is 100-500 μm.

In another improved technical scheme, the peripheries of the upper layer PET film and the lower layer PET film extend outwards to form sealing parts, and the sealing parts of the upper layer PET film and the lower layer PET film are bonded together.

Through the utility model discloses above technical scheme who conceives compares with prior art, can gain following beneficial effect:

the utility model discloses double-deck graphite alkene heat conduction membrane passes through the graphite alkene heat-conducting layer of membrane surface and improves its efficiency of heat conduction upwards greatly; in addition, graphite alkene generates heat the layer and establishes to concave-convex structure, has increased the heat conduction area of graphite alkene, and the quick heat conduction and the installation on the graphite alkene layer of generating heat of being convenient for are stable, reach the heat dissipation purpose fast.

This double-deck graphite alkene heat conduction membrane has combined the heat conductivity of generating heat of graphite alkene heating film and the infrared reflectivity's of infrared reflection layer characteristics, utilizes the infrared reflection layer that is close to ground one side to reflect the heat of heating film to the timber apron upper strata rapidly for the heat upwards conducts better, improves heat-conducting effective rate.

This double-deck graphite alkene heat conduction membrane compact structure, convenient to use, its each layer can directly be pressed into an organic whole, and the sealing part bonding of upper and lower rete is then sealed through to the four sides, and this structure reduces the use of viscose.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural view of an embodiment of a double-layer graphene thermally conductive film of example 1;

fig. 2 is a schematic structural view of an embodiment of the graphene heat generating layer of example 1;

fig. 3 is a schematic structural diagram of an embodiment of the double-layer graphene thermally conductive film of example 2;

fig. 4 is a schematic structural diagram of an embodiment of the double-layer graphene thermal conductive film of example 3.

Detailed Description

In order to make the purpose, technical solution and beneficial effects of the present application more clear and more obvious, the present application is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present application and are not intended to limit the present application.

Embodiments of the present invention of the double-layered graphene thermal conductive film are described below with reference to the drawings.

Example 1

Fig. 1-2 show a first embodiment of a double-layer graphene heat-conducting film, which comprises, from top to bottom, an upper PET film 1, a graphene heat-conducting layer 2, a heat-conducting silica gel layer 3, a graphene heating layer 4, an infrared reflecting layer 5, and a lower PET film 6, wherein an electrode strip 40 is arranged on one side of the graphene heating layer 4, and two ends of the electrode strip 40 respectively extend to the outside of the heat-conducting film through wires and are connected with a male joint 41 and a female joint 42; the thickness of the graphene heat conduction layer 2 is 50-200 μm, and the thickness of the graphene heating layer 4 is 100-500 μm.

The PET material film layer has high temperature resistance and high toughness, so that the wood board has certain pressure relief performance, the graphene heat conduction layer of the upper PET layer enables the heat conduction speed of the film body to be remarkably increased, heat is quickly and uniformly spread and transferred upwards, and energy consumption is low; the infrared reflection layer close to one side of the ground reflects the heat of the heating film to the upper layer of the wood floor rapidly, so that the heat is conducted upwards better, and the efficiency of heat conduction is further improved.

Example 2

On the basis of embodiment 1, the double-layer graphene thermal conductive film further comprises the following improvement.

As shown in fig. 3, extending blocks 43 extending upwards are uniformly distributed above the graphene heating layer 4, the extending blocks 43 are embedded in the heat-conducting silica gel layer 3, and the height of the extending blocks 43 is smaller than that of the heat-conducting silica gel layer 3. Graphite alkene generates heat the layer and establishes to concave-convex structure, has increased the heat conduction area of graphite alkene, and the graphite alkene of being convenient for generates heat quick heat conduction and the installation on layer stable.

The extending blocks 43 are square or trapezoidal, and the distance between adjacent extending blocks 43 is 50-100 μm.

Example 3

As shown in fig. 4, the bottom surface of the lower layer PET film 6 is provided with an adhesive layer 7, and the bottom surface of the adhesive layer 7 is provided with a release paper layer 8. When the adhesive tape is used, the release paper is torn off and is pasted at a proper position for fixing, and the operation is convenient and fast.

The peripheries of the upper layer PET film 1 and the lower layer PET film 6 extend outwards to form sealing parts (not shown in the figure), and the sealing parts of the upper layer PET film 1 and the lower layer PET film 6 are bonded together.

It should be noted that, the thickness and the length of each layer structure of the present invention are set according to the actual use condition, in some preferred examples, the thickness of the upper layer PET film 1 is 10-100 μm, and the thickness of the lower layer PET film 6 is 50-150 μm. The infrared reflecting layer 5 is a metal aluminum reflecting layer, and the thickness of the infrared reflecting layer 5 is 100-500 μm.

The above-described embodiments do not limit the scope of the present invention. Any modification, equivalent replacement, and improvement made within the spirit and principle of the above-described embodiments should be included in the protection scope of the technical solution.

Claims

1. The double-layer graphene heat-conducting film is characterized by comprising an upper-layer PET film (1), a graphene heat-conducting layer (2), a heat-conducting silica gel layer (3), a graphene heating layer (4), an infrared reflecting layer (5) and a lower-layer PET film (6) from top to bottom, wherein an electrode strip (40) is arranged on one side of the graphene heating layer (4), and two ends of the electrode strip (40) respectively extend to the outside of the heat-conducting film through leads and are connected with a male joint (41) and a female joint (42); the thickness of the graphene heat conduction layer (2) is 50-200 mu m, and the thickness of the graphene heating layer (4) is 100-500 mu m.

2. The double-layer graphene thermal membrane according to claim 1, wherein extending blocks (43) extending upwards are uniformly distributed above the graphene heating layer (4), the extending blocks (43) are embedded in the thermal conductive silica gel layer (3), and the height of the extending blocks (43) is less than that of the thermal conductive silica gel layer (3).

3. The graphene double-layered heat-conductive film according to claim 2, wherein the extending blocks (43) have a square shape or a trapezoidal shape, and a distance between adjacent extending blocks (43) is 50 to 100 μm.

4. The double-layer graphene heat-conducting film according to claim 1, wherein an adhesive layer (7) is arranged on the bottom surface of the lower-layer PET film (6), and a release paper layer (8) is arranged on the bottom surface of the adhesive layer (7).

5. The double-layered graphene thermal conductive film according to claim 1, wherein the upper PET film (1) has a thickness of 10 to 100 μm, and the lower PET film (6) has a thickness of 50 to 150 μm.

6. The double-layer graphene thermal conductive film according to claim 1, wherein the infrared reflective layer (5) is a metallic aluminum reflective layer, and the thickness of the infrared reflective layer (5) is 100-500 μm.

7. The double-layered graphene thermal conductive film according to claim 1, wherein the upper layer PET film (1) and the lower layer PET film (6) each have a sealing portion extending outward from the periphery thereof, and the sealing portions of the upper layer PET film (1) and the lower layer PET film (6) are bonded together.