CN212800219U - Heat conduction silica gel sheet - Google Patents
Heat conduction silica gel sheet Download PDFInfo
- Publication number
- CN212800219U CN212800219U CN202021651560.0U CN202021651560U CN212800219U CN 212800219 U CN212800219 U CN 212800219U CN 202021651560 U CN202021651560 U CN 202021651560U CN 212800219 U CN212800219 U CN 212800219U
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- CN
- China
- Prior art keywords
- silica gel
- layer
- heat conduction
- tensile
- conduction silica
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 title claims abstract description 90
- 239000000741 silica gel Substances 0.000 title claims abstract description 90
- 229910002027 silica gel Inorganic materials 0.000 title claims abstract description 90
- 239000004593 Epoxy Substances 0.000 claims abstract description 10
- 239000012528 membrane Substances 0.000 claims abstract description 6
- 239000000853 adhesive Substances 0.000 claims abstract description 4
- 230000001070 adhesive effect Effects 0.000 claims abstract description 4
- 229920001296 polysiloxane Polymers 0.000 claims description 27
- 239000002184 metal Substances 0.000 claims description 12
- 229910052751 metal Inorganic materials 0.000 claims description 12
- 230000007704 transition Effects 0.000 claims description 7
- 239000004519 grease Substances 0.000 claims description 4
- 238000009941 weaving Methods 0.000 claims description 4
- 229920005989 resin Polymers 0.000 claims description 2
- 239000011347 resin Substances 0.000 claims description 2
- 239000000758 substrate Substances 0.000 claims 2
- 238000010586 diagram Methods 0.000 description 3
- 241000239290 Araneae Species 0.000 description 2
- 239000003822 epoxy resin Substances 0.000 description 2
- 239000011888 foil Substances 0.000 description 2
- 229920000647 polyepoxide Polymers 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009954 braiding Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 229920002379 silicone rubber Polymers 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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- Laminated Bodies (AREA)
Abstract
The utility model provides a heat conduction silica gel piece, include the silica gel body and locate the silica gel body on the two surfaces respectively epoxy layer and from the type membrane, the thickness on epoxy layer is 250um-260um, and the silica gel body includes first heat conduction silica gel layer and second heat conduction silica gel layer, and the tensile layer passes through the adhesive to bond between first heat conduction silica gel layer and second heat conduction silica gel layer, and the tensile layer is equipped with a plurality of through-holes, and each through-hole intussuseption is filled with heat conduction silica gel. Through being equipped with the epoxy layer that thickness is 250um-260um on the two surfaces at the silica gel body for the adhesion of silica gel body is good, and is equipped with the tensile layer in the silica gel body, and the tensile layer is as the bearing structure of whole heat conduction silica gel piece, makes heat conduction silica gel piece have sufficient structural strength on the whole, can not appear easily warping, and stability is good, and the tensile layer can promote the tensile ability of heat conduction silica gel piece, uses and experiences better.
Description
Technical Field
The utility model relates to a heat conduction element's technical field especially relates to a heat conduction silica gel piece.
Background
The heat-conducting silica gel sheet is widely applied to heat dissipation treatment of electronic products due to the characteristics of excellent insulation, heat conduction and convenient assembly, but the existing heat-conducting silica gel sheet generally has the conditions of insufficient structural strength, easy tensile tearing, insufficient viscosity, easy falling and the like.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a heat conduction silica gel piece aims at solving the technical problem that present heat conduction silica gel structural strength is not enough, tensile tear easily, viscidity difference drops easily.
For realizing the above-mentioned purpose, the utility model provides a pair of heat conduction silica gel piece, include the silica gel body and locate respectively on the silica gel body two surfaces from the type membrane, the two surfaces of silica gel body are equipped with epoxy layer respectively, each the resin layer is located heat conduction silica gel main part and corresponding side from between the type membrane, epoxy layer's thickness is 250um-260um, the silica gel body includes first heat conduction silica gel layer and second heat conduction silica gel layer, first heat conduction silica gel layer with still be equipped with the tensile layer between the second heat conduction silica gel layer, the tensile layer passes through the adhesive and bonds between first heat conduction silica gel layer and the second heat conduction silica gel layer, the tensile layer is equipped with a plurality of through-holes, each the through-hole intussuseption is filled with heat conduction silicone grease.
Preferably, the tensile layer is a metal sheet with a plurality of through holes on a plate surface.
Preferably, the tensile layer comprises a tensile base layer and a plurality of woven layers which are woven by a plurality of metal wires at equal intervals along the longitudinal direction and the transverse direction of the tensile base layer to form a grid shape, and the woven layers are embedded into the tensile base layer.
Preferably, the tensile layer comprises a tensile base layer and a woven layer formed by weaving a plurality of metal wires in a staggered manner to form a spider web structure, and the woven layer is embedded into the tensile base layer.
Preferably, the woven layer comprises a central area located at the center of the tensile base layer, an edge area located at the edge of the tensile base layer, and a transition area arranged between the central area and the edge area, and the wire density of the central area and the edge area is greater than that of the transition area.
Preferably, the wire density of the central region is greater than the wire density of the edge regions.
Preferably, the wire has a diameter of 0.05 mm.
Preferably, a plurality of grooves are formed in the two surfaces of the silica gel body at intervals.
Preferably, the grooves are distributed on two surfaces of the silica gel body in a staggered manner.
Preferably, one side of each release film is outwards provided with a tearing part, and the edge of the silica gel body is provided with a crease line in the tearing part.
Compared with the prior art, the utility model provides a heat conduction silica gel piece, be 250um-260um epoxy layer through being equipped with thickness on the two surfaces at the silica gel body, make the adhesion of silica gel body good, and be equipped with the tensile layer in the silica gel body, the supporting structure of tensile layer as whole heat conduction silica gel piece, make heat conduction silica gel piece have sufficient structural strength on the whole, can not appear easily and warp, good stability, and the tensile layer can promote the tensile strength of heat conduction silica gel piece, avoid appearing tearing the condition such as disconnection in the application, help prolonging the life of product, use experience is better.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, 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 the structures shown in the drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a heat-conducting silica gel sheet according to an embodiment of the present invention;
FIG. 2 is a schematic cross-sectional view taken along the direction A in FIG. 1;
fig. 3 is a schematic structural diagram of a heat-conducting silica gel sheet according to an embodiment of the present invention;
fig. 4 is a schematic structural diagram of a braided layer according to an embodiment of the present invention;
fig. 5 is a schematic structural view of a braided layer according to another embodiment of the present invention.
The reference numbers illustrate:
100-heat-conducting silica gel sheet;
1-a silica gel body; 11-a first heat-conducting silica gel layer; 12-a second thermally conductive silica gel layer;
2-a release film; 21-a tear;
a 3-epoxy resin layer;
4-a tensile layer; 41-a woven layer;
5-groove.
The objects, features and advantages of the present invention will be further described with reference to the accompanying drawings.
Detailed Description
In order to make the technical problem, technical solution and advantageous effects to be solved by the present invention more clearly understood, the following description is given in conjunction with the accompanying drawings and embodiments to illustrate the present invention in further detail. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
Referring to fig. 1 and 2, the present invention discloses a heat-conducting silicone sheet, which comprises a silicone body 1 and a release film 2, wherein the release film 2 is respectively disposed on two surfaces of the silicone body 1, so as to prevent impurities, dust, etc. from adhering to the surface of the silicone body 1. Wherein, the two surfaces of silica gel body 1 are equipped with epoxy layer 3 respectively, and each epoxy layer 3 is located silica gel body and corresponding side and is released between the type membrane 2, and its thickness is 250um-260 um. The epoxy resin has good viscosity, so that the heat-conducting silica gel sheet 100 has good adhesiveness, and the silica gel sheet is favorably and tightly attached to a product.
Specifically, silica gel body 1 includes first heat conduction silica gel layer 11 and second heat conduction silica gel layer 12, still is equipped with tensile layer 4 between first heat conduction silica gel layer 11 and the second heat conduction silica gel layer 12, and tensile layer 4 bonds between first heat conduction silica gel layer 11 and second heat conduction silica gel layer 12 through the adhesive. Tensile layer 4 is as whole heat conduction silica gel sheet 100's bearing structure for heat conduction silica gel sheet 100 has sufficient structural strength on the whole, can not appear warping easily, and stability is good, and tensile layer 4 can promote heat conduction silica gel sheet 100's tensile ability, avoids appearing tearing the condition such as disconnection in the application, helps prolonging the life of product, and use experience is better.
In addition, in order to ensure the thermal conductivity of the first thermal conductive silicone layer 11 and the second thermal conductive silicone layer 12, the tensile layer 4 is provided with a plurality of through holes (not shown), and each through hole is filled with thermal conductive silicone grease.
Further, the tensile layer 4 is a metal foil. Wherein, be equipped with a plurality of through-holes on the face of foil, each through-hole intussuseption is filled with heat conduction silicone grease, has increased the heat conductivity between first heat conduction silica gel layer 11 and the second heat conduction silica gel layer 12. Preferably, the metal sheet is made of stainless steel and copper plate, so that the structural strength and tensile strength of the heat-conducting silicon rubber sheet 100 can be guaranteed, and the heat-conducting efficiency is increased.
Further, referring to fig. 2 and 4, as a specific embodiment of the heat conductive silicone sheet provided by the present invention, the tensile layer 4 includes a tensile base layer (not shown) and a woven layer 41, and the woven layer 41 is embedded into the tensile base layer. The tensile base layer may be a sheet structure formed by pouring silica gel, and the braided layer 41 is a latticed planar structure formed by braiding a plurality of metal wires at equal intervals along the longitudinal direction and the transverse direction of the tensile base layer. Here, the braided layer 41 is arranged in a grid shape, and the size and the shape of each grid are the same, so that the layout is reasonable, and the processing and the manufacturing are convenient. In addition, set up latticed weaving layer 41 for the tensile ability of tensile layer 4 each department is unanimous, thereby has guaranteed heat conduction silica gel piece 100's tensile ability, avoids appearing tearing the condition such as disconnection in the application, helps prolonging the life of product, and use experience is better.
In another embodiment, as shown in fig. 5, the braided layer 41 is formed by interweaving a plurality of metal wires to form a spider web structure. Specifically, the woven layer 41 includes a central region located at the center of the tensile base layer, an edge region located at the edge of the tensile base layer, and a transition region disposed between the central region and the edge region, and the wire density of the central region and the edge region is greater than that of the transition region. The density of the metal wires in the middle area and the edge area of the braided layer 41 is greater than that in the transition area, and is set based on the fact that the middle area and the edge of the heat-conducting silica gel sheet 100 are often torn due to stress in the use process of the heat-conducting silica gel sheet 100, so that the waste caused by the fact that the metal wires are arranged too densely is reduced and the resources are saved under the condition that the heat-conducting silica gel sheet 100 is guaranteed to have enough tensile capacity and is not easy to tear and break. Preferably, the density of the wires in the central region is greater than the density of the wires in the edge regions.
Further, the diameter of the wire is 0.05 mm.
Further, please refer to fig. 1 and fig. 2, as a specific embodiment of the heat-conducting silicone sheet of the present invention, a plurality of grooves 5 are respectively disposed on two surfaces of the silicone body 1 at intervals, and the grooves 5 are distributed on two surfaces of the silicone body 1 in a staggered manner. Here, recess 5 provides the deformation space for the deformation of silica gel body 1, is favorable to silica gel body 1 atress to warp to hug closely on the product. And make a plurality of recesses 5 dislocation respectively on the two surfaces of silica gel body 1, guaranteed that silica gel body 1 all has sufficient deformation space everywhere.
Further, referring to fig. 3, a tearing portion 21 is disposed on one side of each release film 2, and the tearing portion 21 has a fold at the edge of the silicone body 1. By adopting the technical scheme, the arranged tearing part 21 is not only convenient for peeling the release film 2, but also convenient for lifting the heat-conducting silica gel sheet 100, and can effectively reduce the contact between fingers and the heat-conducting silica gel sheet 100 during sticking; the folding traces are beneficial to inward deformation of the tearing part 21, and the peeling of the release film 2 and the heat-conducting silica gel pad caused by the tilting of the tearing part is reduced.
The above description is only an alternative embodiment of the present invention, and should not be construed as limiting the present invention, and any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. The utility model provides a heat conduction silica gel piece, includes the silica gel body and locates respectively on the silica gel body two surfaces from the type membrane, its characterized in that, the two surfaces of silica gel body are equipped with epoxy layer respectively, each the resin layer is located heat conduction silica gel main part and corresponding side from between the type membrane, epoxy layer's thickness is 250um-260um, the silica gel body includes first heat conduction silica gel layer and second heat conduction silica gel layer, first heat conduction silica gel layer with still be equipped with the tensile layer between the second heat conduction silica gel layer, the tensile layer passes through the adhesive and bonds between first heat conduction silica gel layer and the second heat conduction silica gel layer, the tensile layer is equipped with a plurality of through-holes, each the through-hole intussuseption is filled with heat conduction silicone grease.
2. A heat-conductive silicone sheet according to claim 1, wherein said tensile layer is a metal sheet having a plurality of said through holes formed on a surface thereof.
3. The thermally conductive silicone sheet according to claim 1, wherein said tensile layer comprises a tensile base layer and woven layers formed by weaving a plurality of metal wires at equal intervals in a longitudinal direction and a transverse direction of said tensile base layer to form a lattice shape, said woven layers being embedded in said tensile base layer.
4. The thermal silicone sheet according to claim 1, wherein the tensile layer comprises a tensile base layer and a woven layer formed by weaving a plurality of metal wires into a spider-web structure, and the woven layer is embedded in the tensile base layer.
5. The thermally conductive silicone sheet according to claim 4, wherein said woven layer comprises a central region located at the center of said tensile substrate, a border region located at the border of said tensile substrate, and a transition region located between said central region and said border region, wherein the wire density of said central region and said border region is greater than the wire density of said transition region.
6. A thermally conductive silicone sheet according to claim 5, wherein the density of wires in said central region is greater than the density of wires in said edge region.
7. A thermally conductive silicone sheet according to any of claims 4-6, wherein said wires have a diameter of 0.05 mm.
8. A heat-conductive silicone sheet according to any one of claims 1 to 3, wherein a plurality of grooves are formed on each of the two surfaces of the silicone body at intervals.
9. A heat-conductive silicone sheet according to claim 8, wherein a plurality of the grooves are distributed on two surfaces of the silicone body in a staggered manner.
10. A heat conductive silicone sheet according to claim 1, wherein each release film has a tear portion disposed outwardly from one side thereof, and the tear portion has a fold at an edge of the silicone body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021651560.0U CN212800219U (en) | 2020-08-10 | 2020-08-10 | Heat conduction silica gel sheet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021651560.0U CN212800219U (en) | 2020-08-10 | 2020-08-10 | Heat conduction silica gel sheet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212800219U true CN212800219U (en) | 2021-03-26 |
Family
ID=75083363
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021651560.0U Expired - Fee Related CN212800219U (en) | 2020-08-10 | 2020-08-10 | Heat conduction silica gel sheet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212800219U (en) |
-
2020
- 2020-08-10 CN CN202021651560.0U patent/CN212800219U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210326 |