CN209659847U - A kind of graphite heat conducting and heat radiating fin - Google Patents
A kind of graphite heat conducting and heat radiating fin Download PDFInfo
- Publication number
- CN209659847U CN209659847U CN201920000331.3U CN201920000331U CN209659847U CN 209659847 U CN209659847 U CN 209659847U CN 201920000331 U CN201920000331 U CN 201920000331U CN 209659847 U CN209659847 U CN 209659847U
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- China
- Prior art keywords
- heat
- graphite
- metal layer
- heat dissipation
- adhesive
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- Cooling Or The Like Of Electrical Apparatus (AREA)
- Cooling Or The Like Of Semiconductors Or Solid State Devices (AREA)
Abstract
The utility model discloses a kind of graphite heat conducting and heat radiating fins of graphite heat radiation fin technical field, including the foam that radiates, graphite flake is nested at the top of the heat dissipation foam, the top adhesive of the heat dissipation foam has upper metal layer, the bottom adhesive of the heat dissipation foam has lower metal layer, the bottom adhesive of the lower metal layer has off-style paper layer, the top adhesive of the upper metal layer has heat-conducting glue layer, the top adhesive of the heat-conducting glue layer has partition, the inner cavity of the partition offers longitudinally through passage of heat, the top adhesive of the partition has heat sink, the bottom of the heat sink offers the heat dissipation cavity being connected to passage of heat, heating column is longitudinally nested in the heat dissipation cavity, the top adhesive of the heat sink has mylar, the top adhesive of the mylar has antistatic coating, while providing protection to graphite flake The residence time that heat can be shortened improves the lost efficiency of heat.
Description
Technical field
The utility model relates to graphite heat radiation fin technical field, specially a kind of graphite heat conducting and heat radiating fin.
Background technique
Graphite heat radiation fin is the preferred material for solving mobile phone heat dissipation problem at present, but in the prior art, graphite flake is dissipating
Limited efficacy when hot, and if warpage occurs for graphite heat radiation fin, the surface that will lead to partial component so is not pasted
Graphite heat radiation fin cannot timely and effectively be dispersed by graphite heat radiation fin export so as to cause the heat of the partial component, heat
Constantly accumulation certainly will will affect the service performance of mobile phone part, for this purpose, it is proposed that a kind of graphite heat conducting and heat radiating fin.
Utility model content
The purpose of this utility model is to provide a kind of graphite heat conducting and heat radiating fins, mentioned above in the background art to solve
Problem.
To achieve the above object, the utility model provides the following technical solutions: a kind of graphite heat conducting and heat radiating fin, including heat dissipation
Foam, the heat dissipation foam top are nested graphite flake, and the top adhesive of the heat dissipation foam has upper metal layer, described to dissipate
The bottom adhesive of thermal cotton has lower metal layer, and the bottom adhesive of the lower metal layer has off-style paper layer, the top of the upper metal layer
Portion is bonded with heat-conducting glue layer, and the top adhesive of the heat-conducting glue layer has partition, and the inner cavity of the partition offers longitudinally through
Passage of heat, the top adhesive of the partition have a heat sink, and the bottom of the heat sink offers dissipating of being connected to passage of heat
Hot cavity is longitudinally nested heating column in the heat dissipation cavity, and the top adhesive of the heat sink has mylar, described
The top adhesive of mylar has antistatic coating.
Preferably, the accommodation groove matched with graphite flake is offered at the top of the heat dissipation foam, and the graphite flake
Top is provided with round boss, and the bottom of metal layer is resisted against at the top of boss, and the cavity between boss and accommodation groove is set
It is set to heat collector cavity.
Preferably, the passage of heat is uniformly opened up along the length direction of partition, and on the inner wall of the passage of heat
It is coated with welding resistance green oil layer.
Preferably, the heat dissipation cavity is uniformly opened up along the length direction of the bottom of heat sink, and single group heat dissipation cavity
It is connected with two groups of passage of heat.
Preferably, the top of the heating column is resisted against the inner cavity top of heat dissipation cavity, the bottom of the heating column against
At the top of partition.
Preferably, the partition and heat sink are copper ink alkene plate of material, and the upper metal layer and lower metal layer are copper
Thermally conductive sheet.
Compared with prior art, the utility model has the beneficial effects that the utility model is reasonable in design, by graphite flake
It is nested on heat dissipation foam, can prevent the graphite powder of graphite flake and graphite particle from falling off, to avoid short circuit and to route
The electrical of plate influences, while can carry out heat conduction by the foam that radiates, in addition, upper metal layer and lower metal layer are to graphite
Piece can play the role of conducting heat while protection, improve heating conduction, and by passage of heat can quickly by
Heat is transmitted, and is carried out absorption transmitting by the heating column in heat dissipation cavity, is most discharged afterwards through heat sink, can shorten heat
Residence time, improve the lost efficiency of heat.
Detailed description of the invention
Fig. 1 is the utility model overall structure diagram.
In figure: 1 heat dissipation foam, 2 graphite flakes, metal layer, 4 lower metal layers, 5 off-style paper layers, 6 heat collector cavities, 7 heat-conducting glues on 3
Layer, 8 partitions, 9 passage of heat, 10 heat sinks, 11 heat dissipation cavitys, 12 heating columns, 13 mylars, 14 antistatic coatings.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
Referring to Fig. 1, the utility model provides a kind of technical solution: a kind of graphite heat conducting and heat radiating fin, including heat dissipation foam
1, graphite flake 2 is nested at the top of the foam 1 that radiates, and the top adhesive of heat dissipation foam 1 has upper metal layer 3, the bottom for the foam 1 that radiates
Portion is bonded with lower metal layer 4, and the bottom adhesive of lower metal layer 4 has off-style paper layer 5, and the top adhesive of upper metal layer 3 has heat-conducting glue
Layer 7, the top adhesive of heat-conducting glue layer 7 has partition 8, and the inner cavity of partition 8 offers longitudinally through passage of heat 9, the top of partition 8
Portion is bonded with heat sink 10, and the bottom of heat sink 10 offers the heat dissipation cavity 11 being connected to passage of heat 9, radiates in cavity 11
Longitudinal direction is nested heating column 12, and the top adhesive of heat sink 10 has mylar 13, and the top adhesive of mylar 13 has
Antistatic coating 14.
Wherein, the top of heat dissipation foam 1 offers the accommodation groove matched with graphite flake 2, and the top setting of graphite flake 2
There is round boss, and be resisted against the bottom of metal layer 3 at the top of boss, the cavity between boss and accommodation groove is set as thermal-arrest
Graphite flake 2 can be nested on heat dissipation foam 1 by this set, can prevent the graphite powder and graphite of graphite flake 2 by chamber 6
Abscission, to avoid short circuit and be influenced on the electrical property of wiring board；
Passage of heat 9 is uniformly opened up along the length direction of partition 8, and it is green to be coated with welding resistance on the inner wall of passage of heat 9
Oil reservoir can be improved passage of heat 9 for the conduction efficiency of heat by this set, while also can protect passage of heat 9
Inner wall from high temperature influence；
Heat dissipation cavity 11 is uniformly opened up along the length direction of the bottom of heat sink 10, and single group heat dissipation cavity 11 and two groups
Passage of heat 9 is connected, and the cavity 11 that radiates can be cooperated to the use of passage of heat 9 by this set, can be by thermally conductive
Heat is quickly transmitted in heat dissipation cavity 11 by channel 9, is scattered and disappeared convenient for the conduction of heat with timely；
The top of heating column 12 is resisted against the inner cavity top of heat dissipation cavity 11, and the bottom of heating column 12 is resisted against partition 8
Top quickly can conduct the heat in heat dissipation cavity 11 by heating column 12 by this set, be easy to implement heat
The quick of amount scatters and disappears；
Partition 8 and heat sink 10 are copper ink alkene plate of material, and upper metal layer 3 and lower metal layer 4 are copper thermally conductive sheet, are passed through
The conduction efficiency to heat can be improved in this set, accelerates the conduction time of heat.
Embodiment: by the way that graphite flake 2 to be nested on heat dissipation foam 1, the graphite powder and graphite particle of graphite flake 2 can be prevented
It falls off, to avoid short circuit and influence on the electrical property of wiring board, while heat conduction can be carried out by the foam 1 that radiates,
In addition, upper metal layer 3 and lower metal layer 4 can play the role of conducting heat while protecting graphite flake 2, improve
Heating conduction, and heat buffering is carried out by heat collector cavity 6, then through upper metal layer 3 be conducted to heat-conducting glue layer 7, then pass through
Heat quickly can be transferred in heat dissipation cavity 11 by the passage of heat 9 on partition 8, pass through the heating column in heat dissipation cavity 11
12 carry out absorption transmitting, are most discharged afterwards through heat sink 10, can shorten the residence time of heat, improve the lost effect of heat
Rate, while protection can be provided overall structure by mylar 13, and absorption can be reduced by antistatic coating 14
The probability of dust and impurities.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired
Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.
Claims (6)
1. a kind of graphite heat conducting and heat radiating fin, it is characterised in that: including radiating foam (1), nesting is set at the top of the heat dissipation foam (1)
It is equipped with graphite flake (2), the top adhesive of heat dissipation foam (1) has upper metal layer (3), and the bottom of heat dissipation foam (1) is viscous
It has lower metal layer (4), the bottom adhesive of the lower metal layer (4) has off-style paper layer (5), the top of the upper metal layer (3)
It is bonded with heat-conducting glue layer (7), the top adhesive of the heat-conducting glue layer (7) has partition (8), and the inner cavity of the partition (8) offers
The top adhesive of longitudinally through passage of heat (9), the partition (8) has heat sink (10), the bottom of the heat sink (10)
The heat dissipation cavity (11) being connected to passage of heat (9) is offered, is longitudinally nested heating column in the heat dissipation cavity (11)
(12), the top adhesive of the heat sink (10) has mylar (13), the top adhesive of the mylar (13) have resist it is quiet
Electrocoat (14).
2. a kind of graphite heat conducting and heat radiating fin according to claim 1, it is characterised in that: the top of heat dissipation foam (1)
The accommodation groove matched with graphite flake (2) is offered, and is provided with round boss at the top of the graphite flake (2), and boss
Top is resisted against the bottom of metal layer (3), and the cavity between boss and accommodation groove is set as heat collector cavity (6).
3. a kind of graphite heat conducting and heat radiating fin according to claim 1, it is characterised in that: the passage of heat (9) along every
The length direction of plate (8) uniformly opens up, and is coated with welding resistance green oil layer on the inner wall of the passage of heat (9).
4. a kind of graphite heat conducting and heat radiating fin according to claim 1 or 3, it is characterised in that: heat dissipation cavity (11) edge
The length direction of the bottom of heat sink (10) uniformly open up, and single group heat dissipation cavity (11) is connected with two groups of passage of heat (9)
It is logical.
5. a kind of graphite heat conducting and heat radiating fin according to claim 1, it is characterised in that: the top of the heating column (12) is supported
The inner cavity top of heat dissipation cavity (11) is leaned against, the bottom of the heating column (12) is resisted against the top of partition (8).
6. a kind of graphite heat conducting and heat radiating fin according to claim 1, it is characterised in that: the partition (8) and heat sink
It (10) is copper ink alkene plate of material, the upper metal layer (3) and lower metal layer (4) are copper thermally conductive sheet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920000331.3U CN209659847U (en) | 2019-01-02 | 2019-01-02 | A kind of graphite heat conducting and heat radiating fin |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920000331.3U CN209659847U (en) | 2019-01-02 | 2019-01-02 | A kind of graphite heat conducting and heat radiating fin |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209659847U true CN209659847U (en) | 2019-11-19 |
Family
ID=68520106
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920000331.3U Expired - Fee Related CN209659847U (en) | 2019-01-02 | 2019-01-02 | A kind of graphite heat conducting and heat radiating fin |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209659847U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109496117A (en) * | 2019-01-02 | 2019-03-19 | 苏州沛德导热材料有限公司 | A kind of graphite heat conducting and heat radiating fin |
-
2019
- 2019-01-02 CN CN201920000331.3U patent/CN209659847U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109496117A (en) * | 2019-01-02 | 2019-03-19 | 苏州沛德导热材料有限公司 | A kind of graphite heat conducting and heat radiating fin |
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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: 20191119 Termination date: 20210102 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |