CN208649206U - A kind of graphite heat conducting patch with good shockproof thermally conductive function - Google Patents

Abstract

The utility model provides a kind of graphite heat conducting patch with good shockproof thermally conductive function, it include: shakeproof layer, shakeproof layer includes glass fabric, the first EVA foam, soft rubber ring and the 2nd EVA foam, soft rubber ring is installed, the first EVA foam, soft rubber ring and the 2nd EVA foam are wrapped in interior by glass fabric in the 2nd EVA foam groove corresponding with the first EVA foam；Graphene heat conducting coating coated in glass fabric surface；Pressure-sensitive adhesive layer coated in graphene heat conducting coating surface；It is covered in the off-style paper layer on pressure-sensitive adhesive layer surface.This graphite heat conducting patch replaces the graphite flake in conventional graphite heat-conducting patch using graphene heat conducting coating, patch can be made to be easier to be bonded with electronic component surface, and the special structure by installing soft rubber ring in the first EVA foam groove corresponding with the 2nd EVA foam designs, and can greatly enhance the longitudinal anti-compression properties and shockproof properties of this graphite heat conducting patch.

Description

A kind of graphite heat conducting patch with good shockproof thermally conductive function

Technical field

The utility model relates to a kind of graphite heat conducting patches, and in particular to a kind of graphite with good shockproof thermally conductive function Heat-conducting patch.

Background technique

Existing graphite heat conducting patch is generally combined by graphite flake, pressure sensitive adhesive and release paper.The product is with graphite flake Add one layer of pressure sensitive adhesive as radiator portion (product having can carry one layer of very thin copper foil), so that product is softer, relatively thin, extremely It is not easy to operate, wrinkle and bubble can be generated, strong influence is generated to subsequent product quality, for example will appear hot-spot Phenomenon, if electronic component overheat in part occurs explosion and will generate very big harm to personnel；Moreover, the cross of graphite flake It is although relatively good to thermal diffusivity, but with current processing method because it is too thin, all without retractility, shockproof properties are very poor, Quite weak in terms of shock resistance, product is such as hit or acutely some shakings will damage；Also, graphite flake is not because have There is retractility, cannot be come into full contact with heat generating components, centre has a gap, and Yao Liyong air is thermally conductive on graphite flake again, so Product group heat dissipation performance whole after installing is unsatisfactory, to aggravate product component aging, or even burns.

Utility model content

In view of the deficiencies of the prior art, the utility model proposes a kind of graphite heat conductings with good shockproof thermally conductive function Patch.

To realize above-mentioned technical proposal, the utility model provides a kind of graphite heat conducting with good shockproof thermally conductive function Patch, comprising: shakeproof layer, the shakeproof layer include glass fabric, the first EVA foam, soft rubber ring and the 2nd EVA foam, First EVA foam upper surface is provided with the trapezoidal protrusion of equidistant interval distribution, and the bottom surface of each trapezoidal protrusion is correspondingly arranged Fluted, the structure of the 2nd EVA foam is identical as the first EVA foam structure, on the 2nd EVA foam and the first EVA foam It is lower to be symmetrical arranged, soft rubber ring is installed in the 2nd EVA foam groove corresponding with the first EVA foam, the first EVA steeps There are gap between cotton lower surface and the 2nd EVA foam upper surface, glass fabric is by the first EVA foam, soft rubber ring and In two EVA foams are wrapped in；The first graphene heat conducting coating coated in glass fabric upper surface；Coated in the first graphene First pressure-sensitive adhesive layer of heat conducting coating upper surface；It is covered in the first off-style paper layer of the first pressure-sensitive adhesive layer upper surface；Coated in glass Second graphene heat conducting coating of glass fiber cloth lower surface；The second pressure sensitive adhesive coated in the second graphene heat conducting coating lower surface Layer；And it is covered in the second off-style paper layer of the second pressure-sensitive adhesive layer lower surface.

In the above-mentioned technical solutions, when specifically used, the first off-style paper layer and the second off-style paper layer need to be only separately torn off, Then the first pressure-sensitive adhesive layer and the second pressure-sensitive adhesive layer are covered in respectively between the electronic component pasted, are led to Graphene heat conducting coating (thermal coefficient that graphene has superelevation) is crossed to realize with being bonded for electronic component to electronic component Rapid cooling is realized in the quick export of heat；Shakeproof layer passes through in the first EVA foam groove corresponding with the 2nd EVA foam The special structure design of interior installation soft rubber ring, can greatly enhance this graphite heat conducting patch longitudinal anti-compression properties and Shockproof properties, the product after bonding have very strong shock resistance, even if hit or acutely some shakings not It can be damaged, it is using glass fabric that the first EVA foam, soft rubber ring and the 2nd EVA foam is fully wrapped around, it can make First EVA foam, soft rubber ring and the sizing of the 2nd EVA foam will not be loose, furthermore glass fabric, the first EVA foam, soft rubber Cushion rubber and the 2nd EVA foam are good insulating materials, and the insulation performance of this graphite heat conducting patch can be improved.

Preferably, the thickness of the first graphene heat conducting coating and the second graphene heat conducting coating is identical, is 10-20 μm, the thickness of graphene heat conducting coating is unsuitable blocked up, otherwise will increase production cost, the thickness of graphene heat conducting coating is also unsuitable It is excessively thin, otherwise can weaken heat-conducting effect, find in an experiment, when graphene heat conducting coating is with a thickness of 10-20 μm, can compared with Reach good heat-conducting effect under low production cost and thickness.

Preferably, the thickness of first pressure-sensitive adhesive layer and the second pressure-sensitive adhesive layer is identical, is 5-8 μm.

A kind of beneficial effect of graphite heat conducting patch with good shockproof thermally conductive function provided by the utility model is: This graphite heat conducting patch replaces the graphite flake in conventional graphite heat-conducting patch using graphene heat conducting coating, can make patch more It is easy to be bonded with electronic component surface, and by the way that trapezoidal protrusion is arranged in the first EVA foam and the 2nd EVA foam surface, And the special structure design of soft rubber ring is installed in the first EVA foam groove corresponding with the 2nd EVA foam, it can be with Greatly enhance the longitudinal anti-compression properties and shockproof properties of this graphite heat conducting patch, the product after bonding has very strong anti-impact Performance is hit, even if being hit or acutely some shakings s will not be damaged, while glass fabric, the first EVA steep Cotton, soft rubber ring and the 2nd EVA foam are good insulating materials, and the insulation performance of this graphite heat conducting patch can be improved.

Detailed description of the invention

Fig. 1 is the layer structure schematic diagram of the utility model.

Fig. 2 is the structural schematic diagram of EVA foam in the utility model.

In figure: 1, the first off-style paper layer；2, the first pressure-sensitive adhesive layer；3, the first graphene heat conducting coating；4, glass fabric； 5, the first EVA foam；51, trapezoidal protrusion；52, groove；6, soft rubber ring；7, the 2nd EVA foam；8, the thermally conductive painting of the second graphene Layer；9, the second pressure-sensitive adhesive layer；10, the second off-style paper layer.

Specific embodiment

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clear, complete description, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Ordinary people in the field's every other embodiment obtained without making creative work, belongs to The protection scope of the utility model.

A kind of embodiment: graphite heat conducting patch with good shockproof thermally conductive function.

Shown in referring to Figures 1 and 2, a kind of graphite heat conducting patch with good shockproof thermally conductive function, comprising: shakeproof layer, The shakeproof layer includes glass fabric 4, the first EVA foam 5, soft rubber ring 6 and the 2nd EVA foam 7, the first EVA bubble 5 upper surface of cotton is provided with trapezoidal raised the 51 of multiple equidistant interval distributions, the deformation energy of the first EVA foam 5 when being pressurized to enhance Power, to obtain stronger compressive property, each trapezoidal raised 51 bottom surface is correspondingly arranged fluted 52, and groove 52 is solid for matching Determine soft rubber ring 6, the structure of the 2nd EVA foam 7 is identical as 5 structure of the first EVA foam, and the 2nd EVA foam 7 and first The setting symmetrical above and below of EVA foam 5 is mounted in the 2nd EVA foam 7 groove 52 corresponding with the first EVA foam 5 soft Rubber ring 6, and there are gaps between 5 lower surface of the first EVA foam and 7 upper surface of the 2nd EVA foam, when the first EVA foam 5 Or when the 2nd compression of EVA foam 7, deformation occurs first for soft rubber ring 6, so that 5 lower surface of the first EVA foam and the 2nd EVA 7 upper surface of foam is drawn close, to obtain certain cushion space, greatly enhances resistance to compression, the shake-proof ability of this graphite heat conducting patch, Glass fabric 4 can make the first EVA foam in being wrapped in the first EVA foam 5, soft rubber ring 6 and the 2nd EVA foam 7 5, soft rubber ring 6 and the sizing of the 2nd EVA foam 7 will not be loose, and glass fabric 4, the first EVA foam 5, soft rubber ring 6 It is good insulating materials with the 2nd EVA foam 7, the insulation performance of this graphite heat conducting patch can be improved；

The first graphene heat conducting coating 3 coated in 4 upper surface of glass fabric, the thickness of the first graphene heat conducting coating 3 Degree is 15 μm, and the thickness of the first graphene heat conducting coating 3 is unsuitable blocked up, otherwise will increase production cost, the first graphene is thermally conductive The thickness of coating 3 is also unsuitable excessively thin, otherwise can weaken heat-conducting effect, find in an experiment, when the first graphene heat conducting coating 3 When with a thickness of 15 μm, good heat-conducting effect can be reached under lower production cost and thickness；

The first pressure-sensitive adhesive layer 2 coated in 3 upper surface of the first graphene heat conducting coating, the first pressure-sensitive adhesive layer 2 with a thickness of 6 μm, the first pressure-sensitive adhesive layer 2 uses acrylic acid adhesive, has good viscosity；

The first off-style paper layer 1 for being covered in 2 upper surface of the first pressure-sensitive adhesive layer needs release by first when specifically used Paper layer 1 removes；

The second graphene heat conducting coating 8 coated in 4 lower surface of glass fabric, the thickness of the first graphene heat conducting coating 3 Degree is 15 μm；

The second pressure-sensitive adhesive layer 9 coated in 8 lower surface of the second graphene heat conducting coating, the second pressure-sensitive adhesive layer 9 with a thickness of 6 μm, and use acrylic acid adhesive；

And it is covered in the second off-style paper layer 10 of 9 lower surface of the second pressure-sensitive adhesive layer and needs when specifically used by first Off-style paper layer 1 removes.

This has the graphite heat conducting patch of good shockproof thermally conductive function when specifically used, only need to be by the first off-style paper layer 1 It is separately torn off with the second off-style paper layer 10, the first pressure-sensitive adhesive layer 2 and the second pressure-sensitive adhesive layer 9 is covered in respectively then and need to carry out Between the electronic component of stickup, pass through 8 (graphene of the first graphene heat conducting coating 3 and the second graphene heat conducting coating Thermal coefficient with superelevation) it is bonded with the surface of electronic component realizes quickly leading to electronic component surface heat respectively Out, rapid cooling is realized；Shakeproof layer by the first EVA foam 5 and 7 surface of the 2nd EVA foam setting trapezoidal raised 51, and The special structure design that soft rubber ring 6 is installed in the first EVA foam 5 groove 52 corresponding with the 2nd EVA foam 7, can Greatly to enhance the longitudinal anti-compression properties and shockproof properties of this graphite heat conducting patch, the product after bonding has very strong anti- Impact property, even if being hit or acutely some shakings s will not be damaged, while glass fabric 4, the first EVA Foam 5, soft rubber ring 6 and the 2nd EVA foam 7 are good insulating materials, and the insulation of this graphite heat conducting patch can be improved Performance.

The above be the utility model preferred embodiment, but the utility model should not be limited to the embodiment and Attached drawing disclosure of that is all fallen so all do not depart from the lower equivalent or modification completed of spirit disclosed in the utility model Enter the range of the utility model protection.

Claims (3)

1. a kind of graphite heat conducting patch with good shockproof thermally conductive function, characterized by comprising:

Shakeproof layer, the shakeproof layer include glass fabric, the first EVA foam, soft rubber ring and the 2nd EVA foam, and described One EVA foam upper surface be provided with equidistant interval distribution trapezoidal protrusion, the bottom surface of each trapezoidal protrusion be correspondingly arranged it is fluted, The structure of the 2nd EVA foam is identical as the first EVA foam structure, the 2nd EVA foam with the first EVA foam is symmetrical above and below sets It sets, soft rubber ring, the first EVA foam lower surface is installed in the 2nd EVA foam groove corresponding with the first EVA foam There are gap between the 2nd EVA foam upper surface, glass fabric is by the first EVA foam, soft rubber ring and the 2nd EVA foam In being wrapped in；

The first graphene heat conducting coating coated in glass fabric upper surface；

The first pressure-sensitive adhesive layer coated in the first graphene heat conducting coating upper surface；

It is covered in the first off-style paper layer of the first pressure-sensitive adhesive layer upper surface；

The second graphene heat conducting coating coated in glass fabric lower surface；

The second pressure-sensitive adhesive layer coated in the second graphene heat conducting coating lower surface；And

It is covered in the second off-style paper layer of the second pressure-sensitive adhesive layer lower surface.

2. the graphite heat conducting patch with good shockproof thermally conductive function as described in claim 1, it is characterised in that: described first The thickness of graphene heat conducting coating and the second graphene heat conducting coating is identical, is 10-20 μm.

3. the graphite heat conducting patch with good shockproof thermally conductive function as described in claim 1, it is characterised in that: described first The thickness of pressure-sensitive adhesive layer and the second pressure-sensitive adhesive layer is identical, is 5-8 μm.