CN209993590U - Graphite copper foil composite radiating fin - Google Patents
Graphite copper foil composite radiating fin Download PDFInfo
- Publication number
- CN209993590U CN209993590U CN201920976115.2U CN201920976115U CN209993590U CN 209993590 U CN209993590 U CN 209993590U CN 201920976115 U CN201920976115 U CN 201920976115U CN 209993590 U CN209993590 U CN 209993590U
- Authority
- CN
- China
- Prior art keywords
- graphite
- fin
- copper foil
- heat dissipation
- radiating fin
- 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
Links
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 title claims abstract description 67
- 229910002804 graphite Inorganic materials 0.000 title claims abstract description 61
- 239000010439 graphite Substances 0.000 title claims abstract description 61
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 title claims abstract description 41
- 239000011889 copper foil Substances 0.000 title claims abstract description 38
- 239000002131 composite material Substances 0.000 title claims abstract description 37
- 229910052751 metal Inorganic materials 0.000 claims abstract description 31
- 239000002184 metal Substances 0.000 claims abstract description 31
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 28
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 28
- 239000000758 substrate Substances 0.000 claims abstract description 17
- 230000017525 heat dissipation Effects 0.000 claims description 38
- 239000004411 aluminium Substances 0.000 claims description 10
- 239000000463 material Substances 0.000 claims description 8
- 229910021389 graphene Inorganic materials 0.000 claims description 5
- 229910000859 α-Fe Inorganic materials 0.000 claims description 5
- 229910021392 nanocarbon Inorganic materials 0.000 claims description 2
- 229910052761 rare earth metal Inorganic materials 0.000 claims description 2
- 150000002910 rare earth metals Chemical class 0.000 claims description 2
- 238000005096 rolling process Methods 0.000 claims description 2
- 229910052799 carbon Inorganic materials 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 229910052802 copper Inorganic materials 0.000 description 3
- 239000010949 copper Substances 0.000 description 3
- 239000006185 dispersion Substances 0.000 description 3
- -1 graphite alkene Chemical class 0.000 description 3
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000003490 calendering Methods 0.000 description 2
- 239000003575 carbonaceous material Substances 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 230000010354 integration Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 238000003786 synthesis reaction Methods 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 229910021383 artificial graphite Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 150000001721 carbon Chemical group 0.000 description 1
- 229910021393 carbon nanotube Inorganic materials 0.000 description 1
- 239000002041 carbon nanotube Substances 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 238000012536 packaging technology Methods 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
Images
Landscapes
- Cooling Or The Like Of Semiconductors Or Solid State Devices (AREA)
- Cooling Or The Like Of Electrical Apparatus (AREA)
Abstract
The utility model relates to a graphite copper foil composite radiating fin, which comprises a composite radiating fin, wherein a radiating copper foil substrate is arranged in the middle of the composite radiating fin, the top and the bottom of the radiating copper foil substrate are respectively provided with an upper graphite radiating fin and a lower graphite radiating fin, the top of the upper graphite radiating fin is provided with an upper metal heat conducting fin, the bottom of the lower graphite radiating fin is provided with a lower metal heat conducting fin, the top of the upper metal heat conducting fin is provided with an upper aluminum-based radiating fin, the bottom of the lower metal heat conducting fin is provided with a lower aluminum-based radiating fin, the bottom of the lower aluminum-based radiating fin and the top of the upper aluminum-based radiating fin are respectively provided with a radiating bulge and a radiating groove, the interval between the radiating bulge and the radiating groove is in a wave-shaped arrangement, the composite radiating fin has excellent mechanical, not only the application range of the graphite radiating fin is wider, but also the graphite radiating fin is more convenient to use.
Description
Technical Field
The utility model relates to a graphite copper foil composite cooling fin belongs to fin technical field.
Background
With the development of large-scale integrated circuits and packaging technologies, electronic components and electronic devices are developed in the directions of thinness, lightness and smallness, the integration level of electronic products is higher and higher, the number of electronic components in a unit area is increased in geometric quantities, and heat dissipation becomes a very outstanding problem, if heat is not dissipated in time, the operating temperature of the components is increased, electronic components can be disabled seriously, and the service life and reliability of various high-precision devices using the components are directly affected, so the problem of how to dissipate the heat becomes a bottleneck of miniaturization and integration of the electronic products, copper and aluminum are used for heat conduction and heat dissipation through metal materials in the market part at present, particularly copper and aluminum have the heat conduction coefficient of 398W/mK, but the weight is large, the application is limited due to easy oxidation and the like, and the heat conduction coefficient of aluminum is 237W/mK, so that the heat dissipation requirements of the existing products are difficult to meet, among materials which can be used for heat dissipation, carbon materials have excellent heat-conducting performance and become important to research, for example, carbon nanotubes have very large length-diameter ratio, the heat exchange performance along the length direction is very high, the heat-conducting performance is more than 10 times that of metal silver, and the high heat-conducting performance can be obtained under the condition of less adding amount; graphene materials, which are the thinnest materials in the world at present, are only one carbon atom thick; the graphene is highly stable and is used as a heat conductor, the thermal conductivity of the graphene is about 4000W/mK which is 5 times that of copper, with the continuous and deep research, the carbon material becomes a relatively ideal material in the field of heat conduction, is used in the fields of computer technology, communication, electronics and the like, and is a heat dissipation material with the development prospect in recent years.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the technical problem who solves overcomes current defect, provides a graphite copper foil composite heat sink, and composite heat sink has excellent mechanical properties and heat conduction heat dispersion, and the radiating effect is better, can effectively solve the problem in the background art.
In order to solve the technical problem, the utility model provides a following technical scheme:
the utility model provides a graphite copper foil composite heat sink, includes composite heat sink, composite heat sink intermediate position is equipped with heat dissipation copper foil substrate, heat dissipation copper foil substrate top and bottom are equipped with graphite fin, lower graphite fin respectively, it is equipped with metal conducting strip to go up graphite fin top, graphite fin bottom is equipped with down the metal conducting strip down, it is equipped with aluminium base fin to go up metal conducting strip top, metal conducting strip bottom is equipped with aluminium base fin down, aluminium base fin bottom, last aluminium base fin top all are equipped with heat dissipation arch, heat dissipation recess down, heat dissipation arch, heat dissipation recess interval are the wave setting.
Further, the heat dissipation copper foil substrate is arranged to be a net structure.
Further, the upper graphite heat sink and the lower graphite heat sink are both graphite sheets artificially synthesized from graphene, nanocarbon, ferrite and rare earth.
Furthermore, the upper metal heat conducting strip and the lower metal heat conducting strip are both made of nano copper foil materials, and the thicknesses of the upper metal heat conducting strip and the lower metal heat conducting strip are both set to be 0.5 mm.
Further, the lower aluminum-based heat sink and the upper aluminum-based heat sink are both provided with heat dissipation holes.
Further, the heat-radiating copper foil substrate is fixedly connected with the upper graphite heat-radiating fin and the lower graphite heat-radiating fin through composite rolling.
The utility model discloses beneficial effect: the utility model provides a graphite copper foil composite heat sink, adopt the calendering technique with graphite heat sink complex on netted heat dissipation copper foil substrate, owing to need not to use the adhesive, consequently greatly reduced interface thermal resistance, effectively avoid composite heat sink to produce the phenomenon of coming unstuck between the layer simultaneously, thereby make composite heat sink have excellent mechanical properties and heat conduction heat dispersion, graphite heat sink adopts graphite alkene, nanometer carbon, ferrite and tombarthite manual synthesis, high coefficient of heat conductivity and higher radiating effect have, moreover, the steam generator is simple in structure, therefore, the clothes hanger is strong in practicability, and the production cost is saved, not only make the application range of this graphite heat sink wider, and it is more convenient to use, simultaneously through adopting the heat dissipation arch at composite heat sink's bottom and top layer, the structure that the heat dissipation recess interval is the wave and sets up, heat transfer area has been.
Drawings
The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention.
Fig. 1 is a structural view of the graphite copper foil composite heat sink of the present invention.
Fig. 2 is a cross-sectional view of the graphite copper foil composite heat sink of the present invention.
Fig. 3 is a structural view of an aluminum-based heat sink on a graphite copper foil composite heat sink of the present invention.
Reference numbers in the figures: 1. a composite heat sink; 2. a heat-dissipating copper foil substrate; 3. mounting a graphite radiating fin; 4. a lower graphite heat sink; 5. an upper metal heat-conducting sheet; 6. a lower metal heat-conducting fin; 7. a lower aluminum-based heat sink; 8. an upper aluminum-based heat sink; 9. a heat dissipation protrusion; 10. and a heat dissipation groove.
Detailed Description
The present invention will be further described with reference to the following embodiments, wherein the drawings are for illustrative purposes only and are not intended to be limiting, and in order to better illustrate the embodiments of the present invention, some components of the drawings may be omitted, enlarged or reduced and do not represent the size of an actual product.
As shown in fig. 1-3, a graphite copper foil composite heat sink comprises a composite heat sink 1, a heat dissipation copper foil substrate 2 is arranged at the middle position of the composite heat sink 1, an upper graphite heat sink 3 and a lower graphite heat sink 4 are respectively arranged at the top and the bottom of the heat dissipation copper foil substrate 2, an upper metal heat conducting fin 5 is arranged at the top of the upper graphite heat sink 3, a lower metal heat conducting fin 6 is arranged at the bottom of the lower graphite heat sink 4, an upper aluminum-based heat sink 8 is arranged at the top of the upper metal heat conducting fin 5, a lower aluminum-based heat sink 7 is arranged at the bottom of the lower metal heat conducting fin 6, heat dissipation protrusions 9 and heat dissipation grooves 10 are respectively arranged at the bottom of the lower aluminum-based heat sink 7 and the top of the upper aluminum-based.
More specifically, heat dissipation copper foil substrate 1 sets up to network structure, go up graphite fin 3, lower graphite fin 4 and be by graphite alkene, nanometer carbon, ferrite and tombarthite synthetic graphite flake, go up metal conducting strip 5, lower metal conducting strip 6 and constitute by nanometer copper foil material, the thickness of going up metal conducting strip 5, lower metal conducting strip 6 all sets up to 0.5mm, all be equipped with the louvre on aluminium base fin 7, the last aluminium base fin 8 down, through compound extension fixed connection between heat dissipation copper foil substrate 2 and last graphite fin 3, the lower graphite fin 4.
The utility model discloses improve in: the utility model provides a graphite copper foil composite heat sink, adopt the calendering technique with graphite heat sink complex on netted heat dissipation copper foil substrate 2, because need not to use the adhesive, consequently greatly reduced the interfacial thermal resistance, effectively avoid composite heat sink to produce the phenomenon of coming unstuck between the layer simultaneously, thereby make composite heat sink have excellent mechanical properties and heat conduction heat dispersion, graphite heat sink adopts graphite alkene, nanometer carbon, ferrite and tombarthite manual synthesis, high coefficient of heat conductivity and higher radiating effect have, moreover, the steam generator is simple in structure, therefore, the clothes hanger is strong in practicability, and the production cost is saved, not only make the application range of this graphite heat sink wider, and it is more convenient to use, simultaneously through adopting heat dissipation arch 9 at composite heat sink's bottom and top layer, heat dissipation groove 10 interval is the structure that the wave set up, the heat transfer area has been enlarged, the radiating effect.
The foregoing is an embodiment of the preferred embodiment of the present invention, showing and describing the basic principles and main features of the present invention and the advantages of the present invention, it should be understood by those skilled in the art that the present invention is not limited by the foregoing embodiments, and the foregoing embodiments and descriptions are only illustrative of the principles of the present invention, and various changes and modifications may be made without departing from the spirit and scope of the present invention, which fall within the scope of the present invention as claimed, and the scope of the present invention is defined by the appended claims and their equivalents.
Claims (6)
1. The utility model provides a graphite copper foil composite heat sink, includes composite heat sink (1), its characterized in that: composite heat dissipation fin (1) intermediate position is equipped with heat dissipation copper foil substrate (2), heat dissipation copper foil substrate (2) top and bottom are equipped with graphite fin (3), lower graphite fin (4) respectively, it is equipped with metal conducting strip (5) to go up graphite fin (3) top, graphite fin (4) bottom is equipped with down metal conducting strip (6) down, it is equipped with aluminium base fin (8) to go up metal conducting strip (5) top, metal conducting strip (6) bottom is equipped with down aluminium base fin (7) down, aluminium base fin (7) bottom, last aluminium base fin (8) top all are equipped with heat dissipation arch (9), heat dissipation recess (10) down, heat dissipation arch (9), heat dissipation recess (10) interval are the wave and set up.
2. The graphite copper foil composite heat sink as claimed in claim 1, wherein: the heat dissipation copper foil substrate (2) is arranged to be of a net structure.
3. The graphite copper foil composite heat sink as claimed in claim 1, wherein: the upper graphite radiating fin (3) and the lower graphite radiating fin (4) are graphite sheets artificially synthesized by graphene, nano carbon, ferrite and rare earth.
4. The graphite copper foil composite heat sink as claimed in claim 1, wherein: the upper metal heat conducting strip (5) and the lower metal heat conducting strip (6) are both made of nano copper foil materials, and the thicknesses of the upper metal heat conducting strip (5) and the lower metal heat conducting strip (6) are both set to be 0.5 mm.
5. The graphite copper foil composite heat sink as claimed in claim 1, wherein: the lower aluminum-based radiating fin (7) and the upper aluminum-based radiating fin (8) are both provided with radiating holes.
6. The graphite copper foil composite heat sink as claimed in claim 1, wherein: the heat dissipation copper foil substrate (2) is fixedly connected with the upper graphite heat dissipation sheet (3) and the lower graphite heat dissipation sheet (4) through composite rolling.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920976115.2U CN209993590U (en) | 2019-06-26 | 2019-06-26 | Graphite copper foil composite radiating fin |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920976115.2U CN209993590U (en) | 2019-06-26 | 2019-06-26 | Graphite copper foil composite radiating fin |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209993590U true CN209993590U (en) | 2020-01-24 |
Family
ID=69297010
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920976115.2U Expired - Fee Related CN209993590U (en) | 2019-06-26 | 2019-06-26 | Graphite copper foil composite radiating fin |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209993590U (en) |
-
2019
- 2019-06-26 CN CN201920976115.2U patent/CN209993590U/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP2016535931A (en) | Apparatus and system for dissipating heat, and method for manufacturing the same | |
| CN110707057B (en) | Packaging structure of SiC power device | |
| CN207435368U (en) | The interior heat-conducting pad equipped with rugosity graphite flake | |
| CN209993590U (en) | Graphite copper foil composite radiating fin | |
| CN102555311B (en) | Interactive fin structure type high heat dissipation membrane and manufacturing method thereof | |
| CN209767915U (en) | PCB board with rapid heat dissipation | |
| CN210671126U (en) | Electric radiator | |
| CN203261615U (en) | Flexible metal radiating fin | |
| CN206562400U (en) | A kind of CPU heat transmissions heat conduction foam pad | |
| CN212064689U (en) | Composite radiating fin and electronic equipment terminal | |
| CN210578669U (en) | Be applied to cell-phone, dull and stereotyped graphite alkene heat conduction membrane | |
| CN212463834U (en) | Plastic cooling fin with excellent heat conduction performance | |
| CN209710564U (en) | A kind of new radiator | |
| CN106808767A (en) | Moistureproof Graphene composite radiating film | |
| CN207596775U (en) | A kind of heat conduction and heat radiation insulated compound adhesive tape with jog | |
| CN111769084A (en) | Heat-conducting product and preparation method and application thereof | |
| CN217884331U (en) | Insulating and pressure-resistant heat dissipation structure | |
| CN214848596U (en) | A high-efficient heat radiation structure for chip | |
| CN209693315U (en) | A kind of graphene high-efficiency radiator | |
| CN214013146U (en) | Flexible insulating radiating fin for 5G antenna | |
| CN217426724U (en) | Radiating fin structure with high falling ball impact resistance of OLED screen | |
| CN218277594U (en) | Composite heat-conducting silica gel gasket | |
| CN215819171U (en) | Circuit board heat radiation structure | |
| CN221397785U (en) | High-heat-conductivity artificial graphite radiating fin | |
| CN210406048U (en) | Composite heat conduction structure with efficient laminating effect |
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: 20200124 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |