CN206695093U - A kind of LED radiators with graphite ene coatings - Google Patents
A kind of LED radiators with graphite ene coatings Download PDFInfo
- Publication number
- CN206695093U CN206695093U CN201720505685.4U CN201720505685U CN206695093U CN 206695093 U CN206695093 U CN 206695093U CN 201720505685 U CN201720505685 U CN 201720505685U CN 206695093 U CN206695093 U CN 206695093U
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- Prior art keywords
- ene coatings
- graphite ene
- radiator
- led
- heat dissipation
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Abstract
The utility model discloses a kind of LED radiators with graphite ene coatings, including cooling base and heat dissipation scales, it is characterized in that being equipped with graphite ene coatings in the inner surface of cooling base and the outer surface of heat dissipation scales, the graphite ene coatings use graphene heat conduction slurry；The thickness of the graphite ene coatings is 1~30 μm.The radiator strictly controls the thickness of graphite ene coatings in the whole one layer graphene coating of coating in the outer surface of radiator, and it is good and prepare that cost is low, preparation method is simple and easy to significantly improve the radiating effect of radiator, suitable for promoting the use of on a large scale.
Description
Technical field
A kind of radiator is the utility model is related to, particularly a kind of LED radiators with graphite ene coatings.
Background technology
Solid-state semiconductor light source is because its excellent performance has entered into huge numbers of families, and substitution conventional light source as illuminating at present
Principal light source, and heat dissipation problem is the research and development problem of LED industry.Under conditions present, the LED luminous efficiency of in the market is about
30%~40%, the input of remaining electric energy is converted into LED in a manner of the electronics in semiconductor chip, hole non-radiative recombination
Caused heat energy.In general, whether LED work is stable, quality is fine or not, radiates most important, is radiating in itself with lamp body
In the case of bad, LED life can decline to a great extent.
Current commercial LEDbulb lamp uses close connection aluminum heronsbill radiator under aluminium base, but its radiating effect mostly
Fruit has to be hoisted.Graphene reaches 5300W/ (mK) as currently known thermal conductivity factor highest material, its thermal conductivity factor, remote high
In the thermal conductivity factor (237W/ (mK)) of aluminium, heat conductivility is excellent.
Patent No. ZL201620227041.9 Chinese patent discloses a kind of graphene heat dissipation film, and the heat dissipation film uses stone
Black alkene macromolecular adhesive and graphene slurry are coated to heat-radiating substrate, but radiating surface for heat-radiating substrate opposite heat sink
Product and coated area are smaller, poor to the radiating effect of LED lamp panel.
Utility model content
The utility model in order to solve the problems, such as current LED radiator radiating effect it is bad, improve LED radiating effect,
A kind of LED radiators with graphite ene coatings are provided.
The utility model solves the technical scheme that the technical problem uses：
A kind of LED radiators with graphite ene coatings, including cooling base and heat dissipation scales, it is characterised in that dissipating
The inner surface of hot radical seat and the outer surface of heat dissipation scales are equipped with graphite ene coatings, and the graphite ene coatings use graphene heat conduction
Slurry；The thickness of the graphite ene coatings is 1~30 μm.
Compared with prior art, the beneficial effects of the utility model and advantage：
The utility model makes full use of the condition that grapheme material thermal conductivity factor is high, heat conductivility is good, current commercial
Under conditions of radiator heat-dissipation effect does not reach the actual use demand of requirement, propose a kind of new there is graphite ene coatings
LED radiators, the radiator entirely coat a layer graphene coating in the outer surface of radiator, strictly control graphene painting
The thickness of layer, it is good and prepare that cost is low, preparation method is simple and easy to significantly improve the radiating effect of radiator, suitable for big
Scale is promoted the use of.
The utility model proposes a kind of LED radiators with graphite ene coatings, its by metallic copper, metallic aluminium,
Cooling base made of one kind or its alloy material in metallic iron, argent and heat dissipation scales surface cover one layer of heat dispersion
Good graphite ene coatings, the heat dispersion of LED radiator is significantly enhanced, so as to solve LED lamp panel heat dissipation problem, preparation side
Method is simple and easy, cost is relatively low.
Brief description of the drawings
The utility model is further described with reference to the accompanying drawings and examples.
Fig. 1 is the dimensional structure diagram for the LED radiators that the utility model has graphite ene coatings.
Fig. 2 is the horizontal sectional drawing for the LED radiators that the utility model has graphite ene coatings.
Fig. 3 is the data line chart of embodiment 1 in the utility model.
In figure, 1. cooling bases, 2. heat dissipation scales, 3. graphite ene coatings.
Embodiment
The LED that the utility model has graphite ene coatings includes cooling base 1 and radiating squama with radiator (referring to Fig. 1-2)
Piece 2, heat dissipation scales are evenly distributed on the cylindrical side of cooling base, cooling base 1 inner surface and heat dissipation scales 2 it is outer
Graphite ene coatings 3 are equipped with surface, the graphite ene coatings use graphene heat conduction slurry, and graphene heat conduction slurry covers completely
Cover in the outer surface of the whole radiator in addition to upper and lower end face, the thickness of the graphite ene coatings is 1~30 μm.
The thickness of graphite ene coatings described in the utility model is preferably 10~15 μm.
Cooling base described in the utility model and the making material of heat dissipation scales are metallic copper, metallic aluminium, metallic iron, gold
Alloy material made of one or more in category silver.
The slurry of graphene heat conduction described in the utility model is standardized product, and the preparation of graphene heat conduction slurry can use
Graphene prepared by one or more methods in crystal epitaxy method, CVD method or chemical oxidation-reduction method
It is scattered in macromolecule solvent and is prepared.The graphite ene coatings are the processing of coated solidify afterwards, and are handled through secondary high-temperature
Form, secondary high-temperature processing not only makes graphite ene coatings more stable, and improves its heat radiation function, can be with using the radiator
Substantially improve LED lamp panel radiating effect.The painting method is brushing method, spraying process, electrochemical deposition method, spin-coating method, dipping
One or more in czochralski method.
Embodiment 1
The present embodiment has the LED radiators of graphite ene coatings, including cooling base 1 and heat dissipation scales 2, heat dissipation scales
It is evenly distributed on the cylindrical side of cooling base, stone is equipped with the inner surface of cooling base 1 and the outer surface of heat dissipation scales 2
Black ene coatings 3, the graphite ene coatings use graphene heat conduction slurry, and graphene heat conduction slurry is completely covered on whole radiator
Outer surface.The thickness of the graphite ene coatings is 30 μm.
By graphene heat conduction slurry and water that initial concentration is 20mg/mL with mass ratio 4:It is uniform with brushing method after 5 dilutions
Coated in external diameter 50mm, internal diameter 24mm, height 27mm Aluminium Radiator on, heat 10min under the conditions of 160 DEG C, make its table
The slurry curing in face, then cooling obtains required radiator after 400 DEG C are heated at high temperature 60min.The radiator is not with having graphite
The identical parameters radiator of ene coatings compares for same LED lamp panel radiating effect, and test result shows, has graphene
Coating structure radiator make same LED lamp panel constant current light 70min, quantity of heat production it is basicly stable when temperature variation effectively drop
Low 6.2 DEG C.
Fig. 3 is the test result line chart of embodiment 1, and abscissa be the testing time in figure, and ordinate is the change of lamp plate temperature
Change amount, △ T1 are using the lamp plate temperature variation without graphite ene coatings radiator, and △ T2 are to use that there is graphene to apply
Layer radiator lamp plate temperature variation.The bright radiator with graphene coating structure of the chart can effectively drop in each period
The caloric value of low LED lamp panel, effectively improve the heat dispersion of radiator.
Embodiment 2
The present embodiment has the structure of the LED radiators of graphite ene coatings with embodiment 1, and difference is this implementation
The thickness of the example graphite ene coatings is 15 μm.Graphite ene coatings 3 are scribbled in the surfaces externally and internally of cooling base 1.
Embodiment 3
The present embodiment has the structure of the LED radiators of graphite ene coatings with embodiment 1, and difference is this implementation
The thickness of the example graphite ene coatings is 20 μm.
Embodiment 4
The present embodiment has the structure of the LED radiators of graphite ene coatings with embodiment 1, and difference is this implementation
The thickness of the example graphite ene coatings is 25 μm.
Embodiment 5
The present embodiment has the structure of the LED radiators of graphite ene coatings with embodiment 1, and difference is this implementation
The thickness of the example graphite ene coatings is 5 μm.
The radiator that is not coated with graphite ene coatings of above-described embodiment 2-5 radiator with identical parameters is used for same
LED lamp panel radiating effect compares, and result of the test shows, the radiator for scribbling graphite ene coatings can effectively improve dissipating for radiator
Hot property, radiating effect are notable.
The utility model does not address part and is applied to prior art.
Claims (3)
1. a kind of LED radiators with graphite ene coatings, including cooling base and heat dissipation scales, it is characterised in that radiating
The inner surface of pedestal and the outer surface of heat dissipation scales are equipped with graphite ene coatings, and the graphite ene coatings use graphene conductive paste
Material；The thickness of the graphite ene coatings is 1~30 μm.
2. the LED radiators according to claim 1 with graphite ene coatings, it is characterised in that the cooling base and
The making material of heat dissipation scales is metallic copper, alloy material made of the one or more in metallic aluminium, metallic iron, argent.
3. the LED radiators according to claim 1 with graphite ene coatings, it is characterised in that the graphite ene coatings
Thickness be 10~15 μm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720505685.4U CN206695093U (en) | 2017-05-09 | 2017-05-09 | A kind of LED radiators with graphite ene coatings |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720505685.4U CN206695093U (en) | 2017-05-09 | 2017-05-09 | A kind of LED radiators with graphite ene coatings |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206695093U true CN206695093U (en) | 2017-12-01 |
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ID=60446765
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720505685.4U Expired - Fee Related CN206695093U (en) | 2017-05-09 | 2017-05-09 | A kind of LED radiators with graphite ene coatings |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110300508A (en) * | 2019-06-24 | 2019-10-01 | 上海正泰电源***有限公司 | Applied to the graphene radiator and preparation method thereof in photovoltaic combining inverter |
| CN113825357A (en) * | 2021-08-05 | 2021-12-21 | 杭州量春科技有限公司 | Graphene metal substrate composite radiator and preparation method thereof |
-
2017
- 2017-05-09 CN CN201720505685.4U patent/CN206695093U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110300508A (en) * | 2019-06-24 | 2019-10-01 | 上海正泰电源***有限公司 | Applied to the graphene radiator and preparation method thereof in photovoltaic combining inverter |
| CN113825357A (en) * | 2021-08-05 | 2021-12-21 | 杭州量春科技有限公司 | Graphene metal substrate composite radiator and preparation method thereof |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171201 |