CN203353019U - Graphene metal cooling fin and electronic product cooling structure - Google Patents
Graphene metal cooling fin and electronic product cooling structure Download PDFInfo
- Publication number
- CN203353019U CN203353019U CN 201320297826 CN201320297826U CN203353019U CN 203353019 U CN203353019 U CN 203353019U CN 201320297826 CN201320297826 CN 201320297826 CN 201320297826 U CN201320297826 U CN 201320297826U CN 203353019 U CN203353019 U CN 203353019U
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- Prior art keywords
- graphene
- metal
- electronic
- sheet metal
- fin
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- 229910052751 metals Inorganic materials 0.000 title claims abstract description 82
- 239000002184 metals Substances 0.000 title claims abstract description 82
- OKTJSMMVPCPJKN-UHFFFAOYSA-N carbon Chemical compound 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[C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 title claims abstract description 75
- 229910021389 graphene Inorganic materials 0.000 title claims abstract description 75
- 238000001816 cooling Methods 0.000 title abstract description 12
- 239000011257 shell materials Substances 0.000 claims description 20
- 230000001070 adhesive Effects 0.000 claims description 16
- 239000000853 adhesives Substances 0.000 claims description 15
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Abstract
Description
Technical field
The utility model relates to the heat conduction and heat radiation material, is a kind of Graphene metal fin and electronic product radiating structure specifically.
Background technology
The electronics unit device structural member of current electronic product is towards light, thin, little future development, processing speed and the operating efficiency of product are more and more higher, particularly the CPU processor of modern mobile phone and panel computer is more and more higher, in working long hours, the caloric value of component structure part is also increasing, and the heat conduction and heat radiation material of traditional metal species can not solve existing problem.
Existing metal species heat sink material is aluminium alloy, Copper Foil, silver substantially, and the coefficient of heat transfer of these metal materials is not higher than 400 w/(m.k), because metal itself does not have thermal-radiating function, can only reach heat is scattered, can not eliminate heat completely.
The utility model content
The purpose of this utility model is to overcome the deficiencies in the prior art, and a kind of Graphene metal fin with splendid heat transfer radiating effect is provided.
Another purpose is to provide the electronic product radiating structure, has excellent radiating effect.
For achieving the above object, the utility model is by the following technical solutions:
A kind of Graphene metal fin, comprise sheet metal and be formed on the graphene film on the one side of described sheet metal.
Preferably, also comprise one deck thermal conductive adhesive on the another side that is coated in described sheet metal or described graphene film.
Preferably, the thickness of described graphene film is 0.1 μ m ~ 1 μ m, and described graphene film is no more than 26 μ m together with the thickness of described sheet metal.
Preferably, described sheet metal (the alleged metal of this paper is general term, comprises alloy) is silver foil, Copper Foil or aluminum alloy sheet.
A kind of electronic product radiating structure, comprise the thermal source in electronic product casing and shell, also comprise the Graphene metal fin be arranged between described shell and described thermal source, described Graphene metal fin comprises sheet metal and is formed on the graphene film on the one side of described sheet metal.
Preferably, described Graphene metal fin also comprises one deck thermal conductive adhesive on the another side that is coated in described sheet metal or described graphene film, and described thermal conductive adhesive is bonded on described thermal source or on described shell.
Preferably, described graphene film more approaches described shell in position than described sheet metal.
Preferably, the thickness of described graphene film is 0.1 μ m ~ 1 μ m, and described graphene film is no more than 26 μ m together with the thickness of described sheet metal.
Preferably, described shell is plastic shell.
Preferably, described sheet metal is silver foil, Copper Foil or aluminum alloy sheet.
Useful technique effect of the present utility model:
Graphene metal fin of the present utility model comprises sheet metal and is formed on the graphene film on sheet metal, the heat-transfer capability of sheet metal all directions is all more even, can promptly scatter heat, but do not possess thermal radiation, and graphene film has excellent heat conductivility and heat-radiating properties, conductive coefficient is up to several thousand w/(m.k), the radiating effect of in-plane is fabulous.The heat conduction of sheet metal and Graphene excellence, heat-radiating properties combine, and can reach the effect that fabulous heat transfer is dispelled the heat.This Graphene metal fin, for the electronic product radiating structure, can promptly be passed heat to scatter, then by the mode of infrared waves, heat radiation is gone out.In addition, it is hard and light that graphene film also has matter, the structure quite stable, and the advantage of wear resistant corrosion resistant, promoted the overall performance of fin greatly.
In preferred embodiment, contact metal film of graphene film, another side directly contacts the shell of electronic product or sticks on by thermal conductive adhesive on the shell of electronic product, because grapheme material has good thermal radiation capability, especially can, with the mode of infrared waves penetrating electrons product plastic shell effectively, heat radiation be gone out.Therefore, the temperature of electronic product effectively can be reduced, reach good cooling effect.
The accompanying drawing explanation
The structural representation that Fig. 1 is a kind of embodiment of the utility model Graphene metal fin;
The structural representation that Fig. 2 is the another kind of embodiment of the utility model Graphene metal fin;
The structural representation that Fig. 3 is another embodiment of the utility model Graphene metal fin;
The structural representation that Fig. 4 is a kind of embodiment of the utility model electronic product radiating structure;
The structural representation that Fig. 5 is the another kind of embodiment of the utility model electronic product radiating structure.
Embodiment
Below in conjunction with accompanying drawing, embodiment of the present utility model is elaborated.Should be emphasized that, following explanation is only exemplary, rather than in order to limit scope of the present utility model and application thereof.
Consult Fig. 1, in some embodiments, the Graphene metal fin comprises sheet metal 1 and is formed on the graphene film 2 on the one side of described sheet metal 1.
Consult Fig. 2, in a kind of preferred embodiment, the Graphene metal fin also comprises one deck thermal conductive adhesive 3 on the another side that is coated in described sheet metal 1.
Consult Fig. 3, in another kind of preferred embodiment, the Graphene metal fin also comprises one deck thermal conductive adhesive 3 on the another side that is coated in described graphene film 2 (with sheet metal join the reverse side of the side).
Preferably, the thickness of described graphene film is 0.1 μ m ~ 1 μ m, and described graphene film is no more than 26 μ m together with the thickness of described sheet metal.
Sheet metal can be silver foil, Copper Foil, aluminum alloy sheet etc.
Consult Fig. 4 and Fig. 5, in some embodiments, the electronic product radiating structure comprises the thermal source 5 in electronic product casing 4 and shell, also comprise the Graphene metal fin be arranged between described shell 4 and described thermal source 5, described Graphene metal fin comprises sheet metal 1 and is formed on the graphene film 2 on the one side of described sheet metal 1.
Consult Fig. 4, in a kind of preferred embodiment, the Graphene metal fin also comprises one deck thermal conductive adhesive 3 on the another side that is coated in described sheet metal 1, and thermal conductive adhesive 3 bonds together with thermal source 5.
Consult Fig. 5, in another kind of preferred embodiment, the Graphene metal fin also comprises one deck thermal conductive adhesive 3 on the another side that is coated in described graphene film 2, and thermal conductive adhesive 3 bonds together with shell 4.
Preferably, described shell is plastic shell.
Preferably, the thickness of described graphene film is 0.1 μ m ~ 1 μ m, and described graphene film is no more than 26 μ m together with the thickness of described sheet metal.
The preparation method of Graphene comprises micromechanics stripping method, SiC method, graphite oxide reducing process, arc discharge method, chemical vapour deposition technique, microwave method etc.Especially chemical vapour deposition technique can obtain the nano-graphene film of large tracts of land, thickness homogeneous.
Pass through chemical vapour deposition technique, generate the graphene nano film of a floor height heat conduction and heat radiation on as copper sheet at sheet metal, by the factors such as temperature, pressure and vacuum degree of effectively controlling plated film, can realize the thickness controllability of graphene nano film at metal substrate, the graphene film layer thickness can be controlled in 0.1 ~ 1 μ m, the metallic growth matrix is 25 μ m, and whole graphene film metal fin can not surpass 26 μ m.
Can be attached to the Graphene metal fin on heat source body by thermal conductive adhesive.The graphene nano film has excellent heat conductivility; conductive coefficient can be up to 5000w/(m.k); can reduce to significant effective the surface temperature of thermal objects; therefore; this radiator structure can reduce the surface temperature of thermal objects significantly effectively; solve high power, high energy consumption and the high processing rate of electronic product heat dissipation problem, particularly mobile phone and panel computer, work long hours the high heat that causes and occur that excess Temperature causes using the problems such as undesired or deadlock.It is strong and ultra-thin that the graphene nano film also has rigidity, wear resistant corrosion resistant, the excellent properties such as long service life.
Adopt thermal conductive adhesive, with make-up machine, that Graphene metal fin and thermal objects is bonding, such adhesive effect is very firm, and surface uniform not there will be under the higher temperatures service condition and bonding obscission occurs.
Above content is in conjunction with concrete preferred implementation further detailed description of the utility model, can not assert that concrete enforcement of the present utility model is confined to these explanations.For the utility model person of an ordinary skill in the technical field, without departing from the concept of the premise utility, can also make some simple deduction or replace, all should be considered as belonging to protection range of the present utility model.
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| CN104697383A (en) * | 2015-03-31 | 2015-06-10 | 东莞市闻誉实业有限公司 | Radiating plate |
| CN104717876A (en) * | 2013-12-11 | 2015-06-17 | 中扬动力股份有限公司 | Thermal transfer catalytic heat dissipation method |
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Address after: 523000 Changan City, Guangdong Province town of Cape Village Co-patentee after: Dongguan Huaqing Optical Technology Co., Ltd. Patentee after: Guangdong wins smart group Limited by Share Ltd Address before: 523000 Changan City, Guangdong Province town of Cape Village Co-patentee before: Dongguan Huaqing Optical Technology Co., Ltd. Patentee before: Dongguan Janus Precision Components Co., Ltd. Address after: 523000 Changan City, Guangdong Province town of Cape Village Co-patentee after: Dongguan Huaqing Optical Technology Co., Ltd. Patentee after: Guangdong wins smart group Limited by Share Ltd Address before: 523000 Changan City, Guangdong Province town of Cape Village Co-patentee before: Dongguan Huaqing Optical Technology Co., Ltd. Patentee before: Dongguan Janus Precision Components Co., Ltd. |
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Effective date of registration: 20200722 Address after: 523000, Guangdong, Dongguan province Changan Town, South District Industrial Zone Patentee after: DONGGUAN HUAQING OPTICAL TECHNOLOGY Co.,Ltd. Address before: 523000 corner village, Changan Town, Dongguan, Guangdong Co-patentee before: DONGGUAN HUAQING OPTICAL TECHNOLOGY Co.,Ltd. Patentee before: GUANGDONG JANUS INTELLIGENT GROUP Corp.,Ltd. |
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