CN205142769U - Graphite heat radiation structure for smart phone and tablet computer - Google Patents
Graphite heat radiation structure for smart phone and tablet computer Download PDFInfo
- Publication number
- CN205142769U CN205142769U CN201520978606.2U CN201520978606U CN205142769U CN 205142769 U CN205142769 U CN 205142769U CN 201520978606 U CN201520978606 U CN 201520978606U CN 205142769 U CN205142769 U CN 205142769U
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- Prior art keywords
- heat
- graphite
- width
- length
- adhesion coating
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- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 title claims abstract description 74
- 229910002804 graphite Inorganic materials 0.000 title claims abstract description 72
- 239000010439 graphite Substances 0.000 title claims abstract description 72
- 230000005855 radiation Effects 0.000 title abstract description 11
- 239000003292 glue Substances 0.000 claims description 52
- 239000011248 coating agent Substances 0.000 claims description 50
- 238000000576 coating method Methods 0.000 claims description 50
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 7
- 239000000741 silica gel Substances 0.000 claims description 7
- 229910002027 silica gel Inorganic materials 0.000 claims description 7
- 238000000034 method Methods 0.000 abstract description 10
- 239000012790 adhesive layer Substances 0.000 abstract 7
- 239000012528 membrane Substances 0.000 abstract 4
- 239000010410 layer Substances 0.000 abstract 1
- 239000002245 particle Substances 0.000 abstract 1
- 239000000463 material Substances 0.000 description 8
- 238000009413 insulation Methods 0.000 description 5
- 239000008187 granular material Substances 0.000 description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- 239000002131 composite material Substances 0.000 description 2
- 239000011889 copper foil Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000012943 hotmelt Substances 0.000 description 2
- 239000011159 matrix material Substances 0.000 description 2
- 238000010008 shearing Methods 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 239000011231 conductive filler Substances 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 239000010408 film Substances 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 229910044991 metal oxide Inorganic materials 0.000 description 1
- 150000004706 metal oxides Chemical class 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 229920002379 silicone rubber Polymers 0.000 description 1
Landscapes
- Cooling Or The Like Of Semiconductors Or Solid State Devices (AREA)
Abstract
The utility model discloses a graphite heat radiation structure that smart mobile phone and panel computer were used, including a graphite flake, the another side that the one side of graphite flake was equipped with first heat conduction adhesive layer, first heat conduction adhesive layer is equipped with first type membrane, the another side that the another side of graphite flake was equipped with second heat conduction adhesive layer, second heat conduction adhesive layer is equipped with the second from the type membrane, the length and the width of first heat conduction adhesive layer and second heat conduction adhesive layer all are greater than the length and the width of graphite flake, first length and the width of leaving the type membrane are greater than the length and the width of first heat conduction adhesive layer, the second is greater than the length and the width of second heat conduction layer from the length and the width of type membrane, the utility model discloses effectively solved graphite heat radiation structure and easily electrically conducted the in-process that uses, graphite powder and graphite particle easily drop and use inconvenient problem.
Description
Technical field
The utility model belongs to the technical field of heat dissipation of electronic product, is specifically related to a kind of graphite radiating structure for electronic product.
Background technology
In recent years, along with the development of electronic technology, the continuous renewal of electronic product is regenerated, the size of its work package is more and more less, speed and the efficiency of work are more and more higher, its caloric value is also increasing, therefore often adopts graphite heat radiation fin as the preferred material solving electronic product heat conduction and heat radiation.Graphite heat radiation fin also has conductivity while having good heat conduction and heat radiation performance, and some components of electronic product inside need insulation, and therefore independent utilization graphite heat radiation fin cannot reach the effect of insulation; And though graphite flake has certain folding resistance, but the intensity between material is weak, can be torn easily, or there is disrepair phenomenon because of the displacement of institute's adhesive attachment means, entry material comes off, thus causes the short circuit of circuit, again, in cutting graphite flake process, there will be the technical problems such as graphite flake breaks.Chinese patent 201520404680.3 discloses a kind of composite graphite fin, from top to bottom comprise successively by diaphragm, black insulating film, Copper Foil, graphite flake, release film, bond successively between each layer and be rolled into one laminated structure, successively by hot melt two-sided glue bond between graphite flake and release film, graphite flake is made up of flexible graphite sheet material, this composite graphite fin has the well even high heat conduction and heat radiation performance along horizontal and vertical direction, but the hot melt two-sided glue that it adopts easy heat ageing when heat loses viscosity, be unfavorable for graphite flake, Copper Foil, seamless link between black insulating film, affect useful life, and the area of each layer of heat sink compound is consistent, easily occur that when cross cutting graphite flake breaks bits, affects insulating properties, the use of diaphragm and release film, owing to combining closely with graphite flake, dielectric film, is not easy to tear use, tears rear graphite flake and be also unfavorable for and treat that thermal part realizes seamless link.
Utility model content
In view of this, the purpose of this utility model is the graphite radiating structure providing a kind of smart mobile phone and panel computer, and this graphite radiating structure efficiently solves graphite flake easy conductive, graphite powder and graphite granule in the process used and easily comes off and inconvenient problem with use.
For achieving the above object, the utility model provides following technical scheme:
The graphite radiating structure of a kind of smart mobile phone and panel computer, comprise a graphite flake, the one side of described graphite flake is provided with the first heat-conducting glue adhesion coating, the another side of the first heat-conducting glue adhesion coating is provided with the first release film, the another side of described graphite flake is provided with the second heat-conducting glue adhesion coating, the another side of the second heat-conducting glue adhesion coating is provided with the second release film, the length of described first heat-conducting glue adhesion coating and the second heat-conducting glue adhesion coating and width are all greater than length and the width of graphite flake, the length of described first release film and width are greater than length and the width of the first heat-conducting glue adhesion coating, the length of described second release film and width are greater than length and the width of the second heat-conducting layer.
Preferably: described first heat-conducting glue adhesion coating, the second heat-conducting glue adhesion coating are heat-conducting silica gel sheet.
Preferably: the thickness of described first release film is greater than the thickness of described second release film, the peeling force of described first release film is greater than the peeling force of described second release film, such setting is in order to this graphite radiating structure is in the process used, when tearing release film off, be conducive to thin and that peeling force is little one side first to tear up, handled easily.
The beneficial effects of the utility model are:
(1) this graphite radiating structure adopts graphite flake to be located between the first heat-conducting glue adhesion coating and the second heat-conducting glue adhesion coating, by the graphite flake matrix of conduction and heat-conducting glue adhesion coating are molded as one, the insulating properties utilizing heat-conducting glue adhesion coating good and stable and intrinsic viscosity, make the basic heat conduction of graphite flake and non-conductive, and realize and treat thermal component seamless link, make this graphite radiating structure while heat conduction and heat radiation, enhance its insulation property, ensure the serviceability of electronic product component, extend its useful life.
(2) this graphite radiating structure adopts the length of the first heat-conducting glue adhesion coating and the second heat-conducting glue adhesion coating and width to be all greater than length and the width of graphite flake, to make and in the process of cutting, by shearing heat-conducting glue adhesion coating, greatly reduce the probability that graphite flake breaks, some graphite granules come off once in a while, graphite chip also can stick to heat-conducting glue adhesion coating, can not form short circuit path.
(3) this graphite radiating structure adopts the length of the first release film and width to be greater than length and the width of the first heat-conducting glue adhesion coating, the length of the second release film and width are greater than length and the width of the second heat-conducting glue adhesion coating, and first release film and the second release film thickness and peeling force inconsistent, make it in use, reach conveniently object.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Embodiment
Below in conjunction with accompanying drawing, preferred embodiment of the present utility model is described in detail.
As shown in Figure 1: the graphite radiating structure of a kind of smart mobile phone and panel computer, comprise a graphite flake 1, the one side of described graphite flake 1 is provided with the first heat-conducting glue adhesion coating 2, the another side of the first heat-conducting glue adhesion coating 2 is provided with the first release film 4, the another side of described graphite flake 1 is provided with the second heat-conducting glue adhesion coating 3, the another side of the second heat-conducting glue adhesion coating 3 is provided with the second release film 5, the length of described first heat-conducting glue adhesion coating 2 and the second heat-conducting glue adhesion coating 3 and width are all greater than length and the width of graphite flake 1, the length of described first release film 4 and width are greater than length and the width of the first heat-conducting glue adhesion coating 2, the length of described second release film 5 and width are greater than length and the width of the second heat-conducting layer 3.
Described first heat-conducting glue adhesion coating 2 and the second heat-conducting glue adhesion coating 3 are heat-conducting silica gel sheet.
Heat-conducting silica gel sheet take silica gel as base material, add the various auxiliary materials such as metal oxide, by a kind of heat-conducting medium material that special process synthesizes, in industry, be also called thermal conductive silicon rubber cushion, heat conduction silica gel sheet, soft heat conductive pad, heat conductive silica gel pad etc., special in utilizing the design of gap transferring heat to produce, can blind, complete the heat trnasfer of heating position and radiating part interdigit, also play insulation simultaneously, damping, the effects such as sealing, the designing requirement of device miniaturization and ultrathin can be met, have manufacturability and usability, and the splendid conductive filler material that thickness is applied widely.The utility model adopts graphite flake 1 to be located between the first heat-conducting glue adhesion coating 2 and the second heat-conducting glue adhesion coating 3, such setting is by the graphite flake matrix of conduction and heat-conducting glue adhesion coating being molded as one, the insulating properties utilizing heat-conducting glue adhesion coating good and stable and intrinsic viscosity, make the basic heat conduction of graphite flake and non-conductive, realize and treat thermal component seamless link, make this graphite radiating structure while heat conduction and heat radiation, enhance its insulation property, ensure the serviceability of electronic product component, extend its useful life.
In order to the intensity solving graphite flake is weak, in the process of cutting graphite flake, there will be the technical problems such as graphite flake breaks, this graphite radiating structure adopts the length of the first heat-conducting glue adhesion coating 2 and the second heat-conducting glue adhesion coating 3 and width to be all greater than length and the width of graphite flake 1, such setting is in order in the process of cutting, by shearing heat-conducting glue adhesion coating, greatly reduce the probability that graphite flake breaks, some graphite granules come off once in a while, graphite chip also can stick to heat-conducting glue adhesion coating, can not form short circuit path.
In order to solve heat-conducting glue adhesion coating surface contamination dust and impurity, release film is equipped with on the surface of the first heat-conducting glue adhesion coating 2 and the second heat-conducting glue adhesion coating 3, the length of described first release film 4 and width are greater than length and the width of the first heat-conducting glue adhesion coating 2, the length of described second release film 5 and width are greater than length and the width of the second heat-conducting layer, such setting is in order in the process used, the hand reserving a handled easily tears position, can realize tearing release film off fast.Preferably, in the present embodiment, the thickness of the first release film 4 is 25-35 μm, and peeling force is 15-20g/25mm; The thickness of the second release film 5 is 40-75 μm, and peeling force is 25-30g/25mm, and such setting is in order to this graphite radiating structure is in the process used, and when tearing release film off, is conducive to thin and that peeling force is little one side and first tears up, handled easily.
What finally illustrate is, above preferred embodiment is only in order to illustrate the technical solution of the utility model and unrestricted, although be described in detail the utility model by above preferred embodiment, but those skilled in the art are to be understood that, various change can be made to it in the form and details, and not depart from the utility model claims limited range.
Claims (3)
1. the graphite radiating structure of a smart mobile phone and panel computer, comprise a graphite flake (1), the one side of described graphite flake (1) is provided with the first heat-conducting glue adhesion coating (2), the another side of the first heat-conducting glue adhesion coating (2) is provided with the first release film (4), the another side of described graphite flake (1) is provided with the second heat-conducting glue adhesion coating (3), the another side of the second heat-conducting glue adhesion coating (3) is provided with the second release film (5), the length of described first heat-conducting glue adhesion coating (2) and the second heat-conducting glue adhesion coating (3) and width are all greater than length and the width of graphite flake (1), the length of described first release film (4) and width are greater than length and the width of the first heat-conducting glue adhesion coating (2), the length of described second release film (5) and width are greater than length and the width of the second heat-conducting glue adhesion coating.
2. graphite radiating structure as claimed in claim 1, is characterized in that: described first heat-conducting glue adhesion coating (2), the second heat-conducting glue adhesion coating (3) are heat-conducting silica gel sheet.
3. graphite radiating structure as claimed in claim 1, it is characterized in that: the thickness of described first release film (4) is greater than the thickness of described second release film (5), the peeling force of described first release film (4) is greater than the peeling force of described second release film (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520978606.2U CN205142769U (en) | 2015-12-01 | 2015-12-01 | Graphite heat radiation structure for smart phone and tablet computer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520978606.2U CN205142769U (en) | 2015-12-01 | 2015-12-01 | Graphite heat radiation structure for smart phone and tablet computer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205142769U true CN205142769U (en) | 2016-04-06 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520978606.2U Expired - Fee Related CN205142769U (en) | 2015-12-01 | 2015-12-01 | Graphite heat radiation structure for smart phone and tablet computer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205142769U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106739235A (en) * | 2016-12-13 | 2017-05-31 | 安徽利嘉轻纺制品有限公司 | A kind of heat conducting element and preparation method thereof |
| CN107396592A (en) * | 2016-05-17 | 2017-11-24 | 中兴通讯股份有限公司 | Terminal device and its radiator structure |
| CN108770294A (en) * | 2018-06-11 | 2018-11-06 | Oppo广东移动通信有限公司 | A kind of radiating subassembly and electronic device |
| CN109913145A (en) * | 2019-01-28 | 2019-06-21 | 东莞市博恩复合材料有限公司 | It can heat accumulation and highly-safe insulation shielding composite membrane |
| CN110278694A (en) * | 2019-07-10 | 2019-09-24 | 东莞市源冠塑胶模具有限公司 | A kind of ultrathin type electronic equipment dissipating heat patch |
-
2015
- 2015-12-01 CN CN201520978606.2U patent/CN205142769U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107396592A (en) * | 2016-05-17 | 2017-11-24 | 中兴通讯股份有限公司 | Terminal device and its radiator structure |
| CN106739235A (en) * | 2016-12-13 | 2017-05-31 | 安徽利嘉轻纺制品有限公司 | A kind of heat conducting element and preparation method thereof |
| CN108770294A (en) * | 2018-06-11 | 2018-11-06 | Oppo广东移动通信有限公司 | A kind of radiating subassembly and electronic device |
| CN109913145A (en) * | 2019-01-28 | 2019-06-21 | 东莞市博恩复合材料有限公司 | It can heat accumulation and highly-safe insulation shielding composite membrane |
| CN114106723A (en) * | 2019-01-28 | 2022-03-01 | 东莞市博恩复合材料有限公司 | Insulation shielding composite film capable of storing heat and having high safety and application thereof |
| CN110278694A (en) * | 2019-07-10 | 2019-09-24 | 东莞市源冠塑胶模具有限公司 | A kind of ultrathin type electronic equipment dissipating heat patch |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160406 Termination date: 20171201 |