CN204014375U - Graphite composite material - Google Patents
Graphite composite material Download PDFInfo
- Publication number
- CN204014375U CN204014375U CN201420237923.4U CN201420237923U CN204014375U CN 204014375 U CN204014375 U CN 204014375U CN 201420237923 U CN201420237923 U CN 201420237923U CN 204014375 U CN204014375 U CN 204014375U
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- CN
- China
- Prior art keywords
- graphite
- layer
- composite material
- graphite composite
- basic
- 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.)
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- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 title claims abstract description 108
- 239000010439 graphite Substances 0.000 title claims abstract description 108
- 229910002804 graphite Inorganic materials 0.000 title claims abstract description 108
- 239000002131 composite material Substances 0.000 title claims abstract description 36
- 229910052751 metal Inorganic materials 0.000 claims abstract description 22
- 239000002184 metal Substances 0.000 claims abstract description 22
- 239000012528 membrane Substances 0.000 claims abstract description 20
- 239000000463 material Substances 0.000 claims description 8
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims description 6
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 5
- 229910052802 copper Inorganic materials 0.000 claims description 5
- 239000010949 copper Substances 0.000 claims description 5
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 claims description 3
- 229910052759 nickel Inorganic materials 0.000 claims description 3
- 239000002994 raw material Substances 0.000 claims description 3
- 229910052725 zinc Inorganic materials 0.000 claims description 3
- 239000011701 zinc Substances 0.000 claims description 3
- 230000005855 radiation Effects 0.000 abstract description 13
- 229920002521 macromolecule Polymers 0.000 abstract description 9
- 230000000694 effects Effects 0.000 abstract description 6
- 239000011248 coating agent Substances 0.000 description 3
- 238000000576 coating method Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 239000004411 aluminium Substances 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 239000006185 dispersion Substances 0.000 description 1
- 239000002932 luster Substances 0.000 description 1
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- Laminated Bodies (AREA)
- Carbon And Carbon Compounds (AREA)
Abstract
The utility model provides a kind of graphite composite material, comprise: layer high molecule graphite flake, comprise glued membrane, some graphite basic layers and rubberised layer, wherein, described graphite basic layer superposes mutually, between every adjacent two-layer graphite basic layer, be provided with one deck rubberised layer, described glued membrane is coated on the outer surface of described rubberised layer and graphite basic layer; The coat of metal, the described coat of metal is plated on the outer surface of described glued membrane.The utility model can increase the thickness of macromolecule graphite flake, strengthens the effect of its heat conduction and heat radiation, increases the bulk strength of graphite composite material, increases connected mode and the intensity of graphite composite material and other radiator metal base.
Description
Technical field
The utility model relates to a kind of graphite composite material.
Background technology
Electronic component in use, heat due to element internal generation, distribute and do not go out, easily cause the relatively extreme temperature of generation in system, device itself is caused damage, therefore electronic component is general only effectively works within the scope of certain threshold temperature, and what in these electronic component courses of work, produce overheatedly not only damages they self performance, and has reduced the Performance And Reliability of whole system.And progress in the miniaturization of electronic product has increased the complexity of circuit design, thereby increased the quantity of unit space electronic component, therefore, the dissipation of heat that needs more effective heat abstractor and material that a little electronic components are produced is gone out, and ensures the normal stable use of electronic component.
Graphite is a kind of good heat sink material, and its conductive coefficient is high, can reach 100W/mk～1000W/mk.Under equal area, the thermal conductivity ratio copper of graphite, aluminium are high 3～5 times, and weight is 1/8 of copper, is 1/2 of aluminium, especially meets the developing direction of electron trade---the heat radiation requirement of compact high functional product.Macromolecule graphite is as heat conduction and heat radiation material, because its distinctive low-density (with respect to metal species) and high heat conduction and heat radiation coefficient and low thermal resistance become the preferred material that hyundai electronics series products solves heat conduction and heat radiation technology.Graphite heat radiation fin not only can be along horizontal heat conduction, and vertically heat conduction is especially used laminar structuredly, not only can make better its surface that is applicable to any product, also can effectively play the effect of heat radiation heat conduction.But due to the limit of traditional handicraft, make that macromolecule graphite is the thickest cannot surpass 0.1 ~ 0.25mm, this has just affected heat conduction and the heat dispersion of macromolecule graphite as heat conduction and heat radiation material.
Summary of the invention
The purpose of this utility model is to provide a kind of graphite composite material system, can increase the thickness of macromolecule graphite flake, strengthen the effect of its heat conduction and heat radiation, increase the bulk strength of graphite composite material, increase connected mode and the intensity of graphite composite material and other radiator metal base.
For addressing the above problem, the utility model provides a kind of graphite composite material, comprising:
Layer high molecule graphite flake, comprises glued membrane, some graphite basic layers and rubberised layer, and wherein, described graphite basic layer superposes mutually, between every adjacent two-layer graphite basic layer, is provided with one deck rubberised layer, and described glued membrane is coated on the outer surface of described rubberised layer and graphite basic layer; The coat of metal, the described coat of metal is plated on the outer surface of described glued membrane.
Further, in above-mentioned graphite composite material, described graphite basic layer is the high conductive graphite sheet material that flexible graphite sheet or the graphite of take are raw material.
Further, in above-mentioned graphite composite material, the conductive coefficient of described graphite basic layer is greater than 120W/ (mK).
Further, in above-mentioned graphite composite material, the conductive coefficient of described graphite basic layer is greater than 150W/ (mK).
Further, in above-mentioned graphite composite material, the number of plies of described graphite basic layer is 2 ~ 8 layers.
Further, in above-mentioned graphite composite material, the number of plies of described graphite basic layer is 2 ~ 5 layers.
Further, in above-mentioned graphite composite material, the thickness of described rubberised layer is 0.005 ~ 0.02mm.
Further, in above-mentioned graphite composite material, the thickness of described rubberised layer is 0.005 ~ 0.01mm.
Further, in above-mentioned graphite composite material, the described coat of metal is copper layer, nickel dam or zinc layer.
Compared with prior art, the utility model comprises glued membrane, some graphite basic layers and rubberised layer by layer high molecule graphite flake, wherein, described graphite basic layer superposes mutually, between every adjacent two-layer graphite basic layer, be provided with one deck rubberised layer, described glued membrane is coated on the outer surface of described rubberised layer and graphite basic layer, can increase the thickness of macromolecule graphite flake, strengthens the effect of its heat conduction and heat radiation.
In addition, by the outer surface plated metal coating at glued membrane, both increase the bulk strength of graphite composite material, increased again connected mode and the intensity (as weld strength etc.) of graphite composite material and other radiator metal base.
Accompanying drawing explanation
Fig. 1 is the structure chart of the graphite composite material of the utility model one embodiment.
Embodiment
For above-mentioned purpose of the present utility model, feature and advantage can be become apparent more, below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.
As shown in Figure 1, the utility model provides a kind of graphite composite material, comprising:
Layer high molecule graphite flake, comprise glued membrane 1, some graphite basic layers 2 and rubberised layer 3, 3 layers of graphite basic layer 2 and 2 layers of rubberised layer 2 in Fig. 1, have been adopted, wherein, described graphite basic layer 2 superposes mutually, between every adjacent two-layer graphite basic layer 2, be provided with one deck rubberised layer 2, described glued membrane 1 is coated on the outer surface of described rubberised layer 3 and graphite basic layer 2, can increase the thickness of macromolecule graphite flake like this, make the thickness of layer high molecule graphite flake surpass 0.1mm, strengthen the effect of its heat conduction and heat radiation, in addition, utilize rubberised layer 3 that adjacent two-layer graphite basic layer 2 is bonded together, can make between graphite basic layer 2 more firm in conjunction with obtaining, the coat of metal 4, the described coat of metal 4 is plated on the outer surface of described glued membrane 1.Concrete, by the outer surface plated metal coating 4 at glued membrane 1, the surface aesthetic of the graphite composite material obtaining, increase the bulk strength of graphite composite material, outer surface due to glued membrane 1 is coated with the coat of metal in addition, can increase the connected mode of graphite composite material and other radiator metal base and intensity (as weld strength etc.), and the coat of metal 4 is very little on the heat conductivility impact of layer high molecule graphite flake.
Optionally, the high conductive graphite sheet material that described graphite basic layer 2 is raw material for flexible graphite sheet or the graphite of take.
Optionally, the conductive coefficient of described graphite basic layer 2 is greater than 120W/ (mK).Preferably, the conductive coefficient of described graphite basic layer is greater than 150W/ (mK).
Optionally, the number of plies of described graphite basic layer 2 is 2 ~ 8 layers.Preferably, the number of plies of described graphite basic layer 2 is 2 ~ 5 layers.Can increase like this macromolecule graphite flake thickness.
Optionally, the thickness of described rubberised layer 3 is 0.005 ~ 0.02mm.Preferably, the thickness of described rubberised layer 3 is 0.005 ~ 0.01mm.Like this can be on the basis that increases the combination firmness between graphite basic layer 2 and do not affect its heat conduction and heat radiation.
Optionally, the described coat of metal 4 is copper layer, nickel dam or zinc layer, and the surface of product has metallic luster.
The utility model comprises glued membrane, some graphite basic layers and rubberised layer by layer high molecule graphite flake, wherein, described graphite basic layer superposes mutually, between every adjacent two-layer graphite basic layer, be provided with one deck rubberised layer, described glued membrane is coated on the outer surface of described rubberised layer and graphite basic layer, can increase the thickness of macromolecule graphite flake, strengthen the effect of its heat conduction and heat radiation; In addition, by the outer surface plated metal coating at glued membrane, both increase the bulk strength of graphite composite material, increased again connected mode and the intensity (as weld strength etc.) of graphite composite material and other radiator metal base.
Obviously, those skilled in the art can carry out various changes and modification and not depart from spirit and scope of the present utility model utility model.Like this, if within of the present utility model these are revised and modification belongs to the scope of the utility model claim and equivalent technologies thereof, the utility model is also intended to comprise these change and modification.
Claims (9)
1. a graphite composite material, is characterized in that, comprising:
Layer high molecule graphite flake, comprises glued membrane, some graphite basic layers and rubberised layer, and wherein, described graphite basic layer superposes mutually, between every adjacent two-layer graphite basic layer, is provided with one deck rubberised layer, and described glued membrane is coated on the outer surface of described rubberised layer and graphite basic layer; The coat of metal, the described coat of metal is plated on the outer surface of described glued membrane.
2. graphite composite material as claimed in claim 1, is characterized in that, described graphite basic layer is the high conductive graphite sheet material that flexible graphite sheet or the graphite of take are raw material.
3. graphite composite material as claimed in claim 1, is characterized in that, the conductive coefficient of described graphite basic layer is greater than 120W/ (mK).
4. graphite composite material as claimed in claim 3, is characterized in that, the conductive coefficient of described graphite basic layer is greater than 150W/ (mK).
5. graphite composite material as claimed in claim 1, is characterized in that, the number of plies of described graphite basic layer is 2 ~ 8 layers.
6. graphite composite material as claimed in claim 5, is characterized in that, the number of plies of described graphite basic layer is 2 ~ 5 layers.
7. graphite composite material as claimed in claim 1, is characterized in that, the thickness of described rubberised layer is 0.005 ~ 0.02mm.
8. graphite composite material as claimed in claim 7, is characterized in that, the thickness of described rubberised layer is 0.005 ~ 0.01mm.
9. graphite composite material as claimed in claim 1, is characterized in that, the described coat of metal is copper layer, nickel dam or zinc layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420237923.4U CN204014375U (en) | 2014-05-12 | 2014-05-12 | Graphite composite material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420237923.4U CN204014375U (en) | 2014-05-12 | 2014-05-12 | Graphite composite material |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204014375U true CN204014375U (en) | 2014-12-10 |
Family
ID=52054307
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420237923.4U Expired - Fee Related CN204014375U (en) | 2014-05-12 | 2014-05-12 | Graphite composite material |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204014375U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105120634A (en) * | 2015-09-06 | 2015-12-02 | 张永锋 | High-conductivity radiator |
-
2014
- 2014-05-12 CN CN201420237923.4U patent/CN204014375U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105120634A (en) * | 2015-09-06 | 2015-12-02 | 张永锋 | High-conductivity radiator |
| CN105120634B (en) * | 2015-09-06 | 2017-11-14 | 张永锋 | A kind of high conduction heat radiator |
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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 |
Granted publication date: 20141210 |