CN217377780U

CN217377780U - Wear-resisting type heat conduction silicon rubber piece

Info

Publication number: CN217377780U
Application number: CN202221549499.8U
Authority: CN
Inventors: 刘雪军; 张新华; 乔卫征; 周丽娟
Original assignee: Wuhu Chuangsu Electronic Technology Co ltd
Current assignee: Wuhu Chuangsu Electronic Technology Co ltd
Priority date: 2022-06-20
Filing date: 2022-06-20
Publication date: 2022-09-06
Anticipated expiration: 2032-06-20

Abstract

The utility model discloses a wear-resisting type heat conduction silicon rubber sheet, including heat conduction silicon rubber sheet body, heat conduction silicon rubber sheet body includes wearing layer, wear-resisting fire prevention fibre layer and the heat conduction silica gel layer of laminating each other in proper order, press from both sides in the wearing layer and be equipped with heat conduction packing layer, the surface of wearing layer still is equipped with a plurality of recesses, each all fill in the recess has the heat conduction material, be the even array distribution the heat conduction material forms the heat conduction layer with heat conduction packing layer; the contact surfaces among the wear-resistant layer, the wear-resistant fireproof fiber layer and the heat-conducting silica gel layer are all in fusion sealing connection; and the other surfaces of the wear-resistant layer and the heat-conducting silica gel layer are coated with insulating glue and a release film in an adhering manner. The utility model discloses only increase the increase that the wearing layer made whole thickness among the prior art, sacrifice the heat conductivity scheduling problem and improve, the utility model has the advantages of reduce to lead to the fact the influence to the thermal conductivity when increase the wearability, promoted advantages such as durability of product.

Description

Wear-resisting type heat conduction silicon rubber piece

Technical Field

The utility model relates to a heat conduction silicon rubber piece technical field especially relates to a wear-resisting type heat conduction silicon rubber piece.

Background

With the increase in performance, speed, size, and integration of semiconductors such as transistors and diodes used in electronic devices such as converters and power supplies, these semiconductors themselves generate a large amount of heat, and the temperature rise of the devices due to the heat causes operational failure and damage to the devices. Therefore, various heat dissipating methods and heat dissipating members used in the methods have been proposed to suppress the temperature rise of the semiconductor during operation. One such is a silicone rubber sheet.

The existing silicon rubber sheet has poor wear resistance, and the direct sticking of the wear-resistant adhesive layer on the silicon rubber sheet increases the wear resistance of the silicon rubber sheet, but if only the wear-resistant layer is added, the increase of the whole thickness can sacrifice the heat conductivity. As described above, wear resistance and thermal conductivity are inversely related, and there has been a long-felt need for a thermally conductive sheet that imparts wear resistance while minimizing the sacrifice in thermal conductivity.

To above technical problem, the utility model discloses a wear-resisting type heat conduction silastic sheet, the utility model has the advantages of the durability that has increased the wearability, has promoted the product when reducing to the heat conductivility causes the influence.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome the defects of the prior art and provide a wear-resistant heat-conducting silicon rubber sheet which has the advantages of increasing the wear resistance, improving the durability of the product, enhancing the heat conductivity and the like while reducing the influence on the heat conductivity; to solve the problems presented in the prior art.

The utility model discloses a following technical scheme realizes: the utility model discloses a wear-resistant heat-conducting silicone rubber sheet, which comprises a heat-conducting silicone rubber sheet body, wherein the heat-conducting silicone rubber sheet body comprises a wear-resistant layer, a wear-resistant fireproof fiber layer and a heat-conducting silicone rubber layer which are sequentially laminated with each other; the heat conduction packing layer is clamped in the wear-resistant layer, the outer surface of the wear-resistant layer is also provided with a plurality of grooves, each groove is filled with heat conduction materials, and the heat conduction materials and the heat conduction packing layer which are uniformly distributed in an array form a heat conduction layer; the contact surfaces among the wear-resistant layer, the wear-resistant fireproof fiber layer and the heat-conducting silica gel layer are all in fusion sealing connection; the other surfaces of the wear-resistant layer and the heat-conducting silica gel layer are coated with insulating glue and a release film in an adhering mode.

Furthermore, in order to facilitate the conduction of heat energy, the grooves are formed to extend to the surface of the heat-conducting filler layer, and the adjacent surfaces of the heat-conducting filler layer and the heat-conducting filler layer are in contact connection.

Furthermore, for better, the heat conduction material is closely attached to the adjacent surface of the wear-resistant layer.

Furthermore, in order to improve the puncture resistance and the tear resistance of the heat conducting fin, the wear-resistant fireproof fiber layer is a glass fiber net layer.

Furthermore, in order to improve the thermal conductivity of the wear-resistant layer, the heat conduction material is made of a carbon-series wave-absorbing material, and the heat conduction filler layer is made of copper foil or aluminum foil.

Furthermore, in order to improve the heat conductivity of the wear-resistant layer, the wear-resistant layer is a flexible insulating rubber layer, and the cross-section thickness ratio of the wear-resistant layer to the wear-resistant fireproof fiber layer to the heat-conducting silica gel layer is 2:1: 7.

Further, in order to not reduce the heat conduction effect as much as possible and also have the wearability, promoted the product practicality, another surface facing of wearing layer, heat conduction silica gel layer has the insulating glue and has from the type membrane.

The utility model has the advantages of it is following:

(1) the utility model discloses regard copper foil or aluminium foil as 8 clamps of heat conduction packing layer to seal in wearing layer 2, melt carbon absorbing material as high heat conduction material and seal in the recess 7 of wearing layer 2, melt wearing layer 2, wear-resisting fire prevention fibrous layer 3, heat conduction silica gel layer 4 again and seal together, promoted its heat conduction effect when not causing the influence to the heat conductivility, possessed the wearability, made the product further promote the durability. The utility model discloses a heat conduction silicon rubber piece, production simple process, low cost, be worth wideling popularize and use, and have the sealed effect to the heat conduction material.

Drawings

FIG. 1 is a schematic side sectional view of the present invention;

FIG. 2 is an enlarged schematic view of the structure at A in FIG. 1 according to the present invention;

FIG. 3 is a schematic top view of the present invention;

fig. 4 is an enlarged schematic structural diagram of the point B in fig. 3 according to the present invention.

In the figure: 1. a heat conductive silicone rubber sheet body; 2. a wear layer; 3. a wear-resistant fireproof fiber layer; 4. a heat conductive silica gel layer; 5. a thermally conductive material; 6. a heat conductive layer; 7. a groove; 8. a heat-conducting filler layer.

Detailed Description

The following embodiments of the present invention are described in detail, and the present embodiment is implemented on the premise of the technical solution of the present invention, and detailed embodiments and specific operation procedures are given, but the scope of the present invention is not limited to the following embodiments, and in the description of the present invention, words like "front", "back", "left", "right", etc. indicating directions or position relations are only for convenience of description of the present invention and simplifying the description, but do not indicate or imply that the indicated device or element must have a specific direction, be constructed and operated in a specific direction, and thus should not be construed as limiting the present invention.

The utility model provides a technical scheme: a wear-resistant heat-conducting silicon rubber sheet is shown in figures 1 to 4 and comprises a heat-conducting silicon rubber sheet body 1, wherein the heat-conducting silicon rubber sheet body 1 comprises a wear-resistant layer 2, a wear-resistant fireproof fiber layer 3 and a heat-conducting silicon rubber layer 4 which are sequentially attached to one another; a heat conduction packing layer 8 is clamped in the wear-resistant layer 2, a plurality of grooves 7 are further formed in the outer surface of the wear-resistant layer 2, heat conduction materials 5 are filled in each groove, and the heat conduction materials 5 and the heat conduction packing layer 8 which are uniformly distributed in an array form a heat conduction layer 6; the contact surfaces among the wear-resistant layer 2, the wear-resistant fireproof fiber layer 3 and the heat-conducting silicon adhesive layer 4 are mutually fused and sealed; the other surfaces of the wear-resistant layer 2 and the heat-conducting silicon adhesive layer 4 are coated with insulating adhesive and release films in an adhering mode.

As shown in fig. 1 and 2, the grooves 7 are formed to a depth extending to the surface of the heat-conducting filler layer 8, and the adjacent surfaces of the heat-conducting material 5 and the heat-conducting filler layer 8 are in contact connection, so that heat energy can be conducted while the good wear resistance of the wear-resistant layer 2 is maintained.

As shown in fig. 1 and 2, the heat conducting material 5 is closely attached to the adjacent surface of the wear-resistant layer 2, so as to facilitate the conduction of heat energy.

As shown in fig. 2, the wear-resistant fireproof fiber layer 3 is a glass fiber net layer, which improves the puncture resistance and tear resistance of the heat conducting fin.

As shown in fig. 1 and 2, the heat conducting material 5 is made of a carbon-based wave absorbing material, and the heat conducting filler layer 8 is made of copper foil or aluminum foil, so that the heat conductivity of the wear-resistant layer 2 can be improved.

As shown in fig. 1 and 2, the wear-resistant layer 2 is a flexible insulating rubber layer, the cross-sectional thickness ratio of the wear-resistant layer 2, the wear-resistant fireproof fiber layer 3 and the heat-conducting silica gel layer 4 is 2:1:7, the wear resistance is achieved while the heat-conducting effect is not reduced as much as possible, and the product practicability is improved.

The principle of the utility model is as follows: copper foil or aluminium foil are pressed from both sides as heat conduction packing layer 8 and are sealed in wearing layer 2, and carbon is absorbing material and melts as high heat conduction material and seal in wearing layer 2's recess 7, melts wearing layer 2, wear-resisting fire prevention fibrous layer 3, heat conduction silica gel layer 4 again and seals together, has promoted its heat conduction effect when not causing the influence to heat conduction performance, and has further promoted the durability of product, the utility model discloses a heat conduction silicon rubber piece, production simple process, low cost, be worth widelys using widely, and have the sealed effect to heat conduction material 5.

Claims

1. A wear-resistant heat-conducting silicone rubber sheet comprises a heat-conducting silicone rubber sheet body, wherein the heat-conducting silicone rubber sheet body comprises a wear-resistant layer, a wear-resistant fireproof fiber layer and a heat-conducting silicone adhesive layer which are sequentially attached to one another; the contact surfaces among the wear-resistant layer, the wear-resistant fireproof fiber layer and the heat-conducting silica gel layer are all in fusion sealing connection; and the other surfaces of the wear-resistant layer and the heat-conducting silica gel layer are coated with insulating glue and a release film in an adhering manner.

2. The wear-resistant heat-conducting silicone rubber sheet according to claim 1, wherein the grooves are formed to a depth extending to the surface of the heat-conducting filler layer, and the adjacent surfaces of the heat-conducting filler layer and the heat-conducting filler layer are in contact connection.

3. A wear-resistant thermally conductive silicone rubber sheet as in claim 1 wherein said thermally conductive material is adjacent to the adjacent surface of the wear layer.

4. The wear-resistant heat-conducting silicone rubber sheet according to claim 1, wherein the wear-resistant fireproof fiber layer is a glass fiber mesh layer.

5. The wear-resistant heat-conducting silicone rubber sheet according to claim 1, wherein the heat-conducting material is made of a carbon-based wave-absorbing material, and the heat-conducting filler layer is a copper foil or an aluminum foil.

6. The wear-resistant heat-conducting silicone rubber sheet according to claim 1, wherein the wear-resistant layer is a flexible insulating rubber layer, and the cross-sectional thickness ratio of the wear-resistant layer, the wear-resistant fireproof fiber layer and the heat-conducting silicone rubber layer is 2:1: 7.