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CN-224226933-U - High-viscosity efficient heat conduction silica gel sheet

CN224226933UCN 224226933 UCN224226933 UCN 224226933UCN-224226933-U

Abstract

The utility model discloses a high-viscosity efficient heat-conducting silica gel sheet, which comprises a silica gel substrate layer, wherein a graphene heat-conducting layer is fixedly connected to the upper surface of the silica gel substrate layer, a plurality of graphite heat-conducting columns are fixedly arranged on the upper surface of the graphene heat-conducting layer, the graphite heat-conducting columns are distributed linearly at equal intervals, a graphite heat-conducting layer is fixedly connected between the top ends of the graphite heat-conducting columns, the upper surface of the graphite heat-conducting layer is adhered with a strong adhesive layer through glue, a release film is adhered to the outer surface of the strong adhesive layer, and an easy tear strip is arranged on the outer wall of one side of the release film.

Inventors

  • HUANG SHIWEI

Assignees

  • 东莞市汇祺电子科技有限公司

Dates

Publication Date
20260512
Application Date
20250307

Claims (5)

  1. 1. The utility model provides a high-efficient heat conduction silica gel piece of strong adhesion, includes silica gel stratum basale (1), its characterized in that, fixed surface is connected with graphite alkene heat conduction layer (2) on silica gel stratum basale (1), fixed surface installs a plurality of graphite heat conduction posts (3) on graphite heat conduction layer (2), a plurality of equidistant linear distribution of graphite heat conduction post (3), a plurality of fixedly connected with graphite heat conduction layer (4) between graphite heat conduction post (3) top, graphite heat conduction layer (4) upper surface has strong adhesion layer (6) through the glue bonding, jiang Nianceng (6) surface is attached with from type membrane (7), be provided with easy tear strip (8) on from type membrane (7) one side outer wall.
  2. 2. The high-viscosity efficient heat-conducting silica gel sheet according to claim 1, wherein a tensile interlayer (5) is arranged between the graphene heat-conducting layer (2) and the graphite heat-conducting layer (4), and through holes with diameters and positions matched with those of the graphite heat-conducting columns (3) are formed in the tensile interlayer (5).
  3. 3. The high-viscosity efficient heat-conducting silica gel sheet according to claim 2, wherein a plurality of reinforcing fiber filaments (501) are arranged in the tensile interlayer (5), and the tensile interlayer (5) is formed by interweaving the reinforcing fiber filaments (501).
  4. 4. A highly adhesive, highly effective heat conductive silicone sheet as set forth in claim 3 wherein said reinforcing fiber filaments (501) are fiberglass.
  5. 5. The high-viscosity efficient heat-conducting silica gel sheet according to claim 1, wherein the graphene heat-conducting layer (2) is a graphene heat-conducting sheet, and the graphite heat-conducting layer (4) is a graphite heat-conducting sheet.

Description

High-viscosity efficient heat conduction silica gel sheet Technical Field The utility model relates to the technical field of heat conduction silica gel, in particular to a high-viscosity efficient heat conduction silica gel sheet. Background The heat-conducting silica gel sheet is a heat-conducting medium material synthesized by taking silica gel as a base material and adding various auxiliary materials such as metal oxide and the like through a special process, is also called a heat-conducting silica gel pad, a heat-conducting silica gel sheet, a soft heat-conducting pad, a heat-conducting silica gel pad and the like in the industry, has wide application, and can be generally used for a control main board of an electronic and electric product, a base plate and a foot pad in and out of a motor, and materials of electronic appliances, automobile machinery, a computer host, a notebook computer, a DVD, a VCD and any heat dissipation module which need to be filled; The heat conduction coefficient of the heat conduction silica gel piece has the adjustability, the heat conduction stability is better, the installation and the test are realized, the convenience of repeated use is realized, however, the existing heat conduction silica gel piece adopts a silica gel type integrated structure design, so that compared with a composite heat conduction structure in actual use, the problem of poor heat conduction performance exists on the heat conduction effect of the pure heat conduction silica gel material, and the heat conduction efficiency is low. Disclosure of utility model The utility model aims to provide a high-viscosity efficient heat-conducting silica gel sheet so as to solve the problems in the background technology. In order to achieve the purpose, the technical scheme is that the high-viscosity efficient heat conduction silica gel sheet comprises a silica gel substrate layer, wherein a graphene heat conduction layer is fixedly connected to the upper surface of the silica gel substrate layer, a plurality of graphite heat conduction columns are fixedly arranged on the upper surface of the graphene heat conduction layer, the graphite heat conduction columns are distributed linearly at equal intervals, a graphite heat conduction layer is fixedly connected between the top ends of the graphite heat conduction columns, the upper surface of the graphite heat conduction layer is adhered with a high-viscosity layer through glue, a release film is adhered to the outer surface of the high-viscosity layer, and an easy-tear strip is arranged on the outer wall of one side of the release film. Preferably, a tensile interlayer is arranged between the graphene heat conduction layer and the graphite heat conduction layer, and through holes with diameters and positions matched with those of the graphite heat conduction columns are formed in the tensile interlayer. Preferably, the tensile interlayer is internally provided with a plurality of reinforcing fiber wires, and the tensile interlayer is formed by interweaving the reinforcing fiber wires. Preferably, the reinforcing fiber filaments are glass fibers. Preferably, the graphene heat conducting layer is a graphene heat conducting sheet, and the graphite heat conducting layer is a graphite heat conducting sheet. Compared with the prior art, the utility model has the beneficial effects that: The utility model can effectively improve the internal heat conduction effect of the heat conduction silica gel sheet, has the use performance of high-efficiency heat conduction, the heat conduction coefficient of graphite can reach 700-1300W/(m-k), the value is equivalent to 2-3 times of copper, 3-5 times of aluminum, and the heat conduction efficiency is high, the high heat conduction coefficient means that the graphite can transfer heat from a heat source to a heat dissipation area more quickly, thereby improving the heat conduction and heat dissipation efficiency, the use performance of the whole is effectively improved, the density of the graphite is 0.85-1.9g/cm 3, the density is about 1/4 to 1/10 of copper, and the density of the graphite is about 1/1.3 to 1/3 of aluminum, so that the light characteristic ensures that the graphite is more convenient and economical in application and has better use effect; Meanwhile, the internal stretching resistance effect of the heat-conducting silica gel sheet can be effectively improved through the tensile interlayer, the heat-conducting silica gel sheet has good tensile toughness, cannot be easily broken in actual use, improves the overall use strength, and has good practicability. Drawings FIG. 1 is a schematic view of the internal cut-away structure of a thermally conductive silicone sheet in accordance with an embodiment of the present utility model; FIG. 2 is a schematic view of an inner cross-sectional plane structure of a thermally conductive silicone sheet in accordance with an embodiment of the present utility model; Fig. 3 is a schematic