CN104087793B - A kind of LED high heat transfer aluminum-base composite heat sink material - Google Patents
A kind of LED high heat transfer aluminum-base composite heat sink material Download PDFInfo
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- CN104087793B CN104087793B CN201410322169.9A CN201410322169A CN104087793B CN 104087793 B CN104087793 B CN 104087793B CN 201410322169 A CN201410322169 A CN 201410322169A CN 104087793 B CN104087793 B CN 104087793B
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Abstract
The present invention relates to light fixture heat sink material, being specifically related to a kind of LED high heat transfer aluminum-base composite heat sink material and production method thereof, this heat sink material is made up of the raw material of following weight part: graphite 4-6, boron nitride 12-16, aluminium nitride 10-12, aluminium powder 80-85, aluminium sesquioxide 5-8, aquamaine stone flour 1-2, copper sulfate 1-3, ferrous sulfate 2-3, Trisilver phosphate 1-3, potassium pyrophosphate 1-2, white sugar 2-4, auxiliary agent 4-5; The heat sink material of the present invention combines the advantage of the compositions such as aluminium, boron nitride, aluminium nitride, graphite, auxiliary agent; have good heat conduction and insulating property concurrently; and by all materials milled processed in the mixed aqueous solution of ferrous sulfate, potassium pyrophosphate, white sugar; make ball milling between raw material more abundant; improve the sintering character of material; this heat sink material compact structure; any surface finish; waterproof and dampproof; thermal conductivity height, heat transfer is fast, and long-time use still can keep good heat radiation efficiency; can effectively protect LED lamp, greatly extend the work-ing life of light fixture.
Description
Technical field
The present invention relates to light fixture heat sink material, it is specifically related to a kind of LED high heat transfer aluminum-base composite heat sink material and production method thereof.
Background technology
LED is called as forth generation light source, has the advantages such as energy-saving and environmental protection, safety, less energy-consumption, high brightness, is widely used in daily life, and the heat dispersion of LED lamp itself is most important, directly has influence on work-ing life and the illumination effect of light fixture. Existing LED heat sink material is mainly made up of the metallic substance such as aluminium, copper, there is the shortcomings such as cost limits, insulating property are inadequate in actual use, therefore the formula of necessary improvement material, make the radiating effect that material reaches more good, improve the use properties of light fixture, extend work-ing life.
Summary of the invention
It is an object of the present invention to provide a kind of LED high heat transfer aluminum-base composite heat sink material, to improve the heat dispersion of material, extend the work-ing life of LED lamp, in order to realize above-mentioned purpose, the technical solution used in the present invention is as follows:
A kind of LED high heat transfer aluminum-base composite heat sink material, it is characterized in that, material of the present invention is made up of the raw material of following weight part: graphite 4-6, boron nitride 12-16, aluminium nitride 10-12, aluminium powder 80-85, aluminium sesquioxide 5-8, aquamaine stone flour 1-2, copper sulfate 1-3, ferrous sulfate 2-3, Trisilver phosphate 1-3, potassium pyrophosphate 1-2, white sugar 2-4, auxiliary agent 4-5.
Described auxiliary agent is made up of the raw material of following weight part: polyaluminium sulfate 4-5, animal bone 8-10, sodium sand 1-3, polyimide 4-5, silver-coated copper powder 8-10, magnesium oxide 12-14, Magnesium Carbonate Light 41-45 5-8, preparation method is: first cool for subsequent use after 800-900 DEG C of temperature lower calcination 10-12h by animal bone, again polyaluminium sulfate is dissolved in suitable quantity of water and it is mixed with the aqueous solution that concentration is 4-6%, and the animal bone after calcining and other remaining component are dropped in solution, concentrate drying after mix and blend dispersion 2-3h, grind to form 300-400 order fine powder, to obtain final product.
Described a kind of LED high heat transfer aluminum-base composite heat sink material, its manufacture craft comprises following step:
(1) first ferrous sulfate, potassium pyrophosphate, white sugar are dropped into 10 times dissolve completely in the water of its total weight parts after, add other remaining component again, after mix and blend dispersion 1-2h, material drops into ball-milling processing in ball mill, makes 10000-hole sieve surplus��0.05% of gained material;
(2) by the drying at 80-100 DEG C of the material of step (1) gained, keep water ratio��0.02% of material, after powder body grinding distribution 40-50min, compression moulding in mould will be sent into subsequently, under nitrogen atmosphere with after the temperature sintering 4-6h of 650-700 DEG C, through naturally cooling to room temperature and get final product.
It is an advantage of the current invention that: relatively conventional aluminum heat exchanging material combines aluminium on raw material, boron nitride, aluminium nitride, graphite, the advantage of the compositions such as auxiliary agent, have good heat conduction and insulating property concurrently, and by all materials at ferrous sulfate, potassium pyrophosphate, milled processed in the mixed aqueous solution of white sugar, make ball milling between raw material more abundant, between raw material more easily compatible, improve the sintering character of material, the heat sink material compact structure that the present invention prepares, any surface finish, waterproof and dampproof, thermal conductivity height, heat transfer is fast, long-time use still can keep good heat radiation efficiency, can effectively protect LED lamp, greatly extend the work-ing life of light fixture.
Embodiment
Embodiment
The present embodiment LED heat sink material is made up of following raw material: graphite 5, boron nitride 14, aluminium nitride 12, aluminium powder 85, aluminium sesquioxide 8, aquamaine stone flour 2, copper sulfate 2, ferrous sulfate 3, Trisilver phosphate 2, potassium pyrophosphate 2, white sugar 4, auxiliary agent 5.
Described auxiliary agent is made up of the raw material of following weight part: polyaluminium sulfate 5, animal bone 10, sodium sand 3, polyimide 5, silver-coated copper powder 10, magnesium oxide 14, Magnesium Carbonate Light 41-45 5, preparation method is: first cool for subsequent use after 800-900 DEG C of temperature lower calcination 12h by animal bone, again polyaluminium sulfate is dissolved in suitable quantity of water and it is mixed with the aqueous solution that concentration is 6%, and the animal bone after calcining and other remaining component are dropped in solution, concentrate drying after mix and blend dispersion 3h, grind to form 400 order fine powders, to obtain final product.
Described a kind of LED high heat transfer aluminum-base composite heat sink material, its manufacture craft comprises following step:
(1) first ferrous sulfate, potassium pyrophosphate, white sugar are dropped into 10 times dissolve completely in the water of its total weight parts after, add other remaining component again, after mix and blend dispersion 2h, material drops into ball-milling processing in ball mill, makes 10000-hole sieve surplus��0.05% of gained material;
(2) by the drying at 80-100 DEG C of the material of step (1) gained, keep water ratio��0.02% of material, after powder body grinding distribution 50min, compression moulding in mould will be sent into subsequently, under nitrogen atmosphere with after the temperature sintering 6h of 650-700 DEG C, through naturally cooling to room temperature and get final product.
The thermal conductivity of the more conventional aluminium base heat sink material of the more conventional LED heat sink material of the heat sink material obtained by the present embodiment improves 26.5%, and thermal diffusivity improves 27.9%, and heat balance time on average shortens 147min, and light fixture improves 28.7% work-ing life.
Claims (1)
1. a LED high heat transfer aluminum-base composite heat sink material, it is characterized in that, it is made up of the raw material of following weight part: graphite 4-6, boron nitride 12-16, aluminium nitride 10-12, aluminium powder 80-85, aluminium sesquioxide 5-8, aquamaine stone flour 1-2, copper sulfate 1-3, ferrous sulfate 2-3, Trisilver phosphate 1-3, potassium pyrophosphate 1-2, white sugar 2-4, auxiliary agent 4-5;
Described auxiliary agent is made up of the raw material of following weight part: polyaluminium sulfate 4-5, animal bone 8-10, sodium sand 1-3, polyimide 4-5, silver-coated copper powder 8-10, magnesium oxide 12-14, Magnesium Carbonate Light 41-45 5-8, preparation method is: first cool for subsequent use after 800-900 DEG C of temperature lower calcination 10-12h by animal bone, again polyaluminium sulfate is dissolved in suitable quantity of water and it is mixed with the aqueous solution that concentration is 4-6%, and the animal bone after calcining and other remaining component are dropped in solution, concentrate drying after mix and blend dispersion 2-3h, grind to form 300-400 order fine powder, to obtain final product;
Described LED high heat transfer aluminum-base composite heat sink material, its production method is as follows:
(1) first ferrous sulfate, potassium pyrophosphate, white sugar are dropped into 10 times dissolve completely in the water of its total weight parts after, add other remaining component again, after mix and blend dispersion 1-2h, material drops into ball-milling processing in ball mill, makes 10000-hole sieve surplus��0.05% of gained material;
(2) by the drying at 80-100 DEG C of the material of step (1) gained, keep water ratio��0.02% of material, after powder body grinding distribution 40-50min, compression moulding in mould will be sent into subsequently, under nitrogen atmosphere with after the temperature sintering 4-6h of 650-700 DEG C, through naturally cooling to room temperature and get final product.
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| CN201410322169.9A CN104087793B (en) | 2014-07-08 | 2014-07-08 | A kind of LED high heat transfer aluminum-base composite heat sink material |
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| CN201410322169.9A CN104087793B (en) | 2014-07-08 | 2014-07-08 | A kind of LED high heat transfer aluminum-base composite heat sink material |
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| CN104087793B true CN104087793B (en) | 2016-06-08 |
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| CN104326759B (en) * | 2014-10-17 | 2016-02-03 | 安徽永旭照明科技有限公司 | A kind of nonmetallic ceramics LED seat composition |
| CN104355570B (en) * | 2014-10-17 | 2016-04-06 | 安徽永旭照明科技有限公司 | A kind of LED seat composition being easy to dispel the heat |
| CN104593629A (en) * | 2015-02-08 | 2015-05-06 | 浙江同诚合金铜管有限公司 | Copper alloy pipe fusion covering agent |
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| JP4409872B2 (en) * | 2003-07-30 | 2010-02-03 | 株式会社東芝 | High strength and high electrical conductivity aluminum alloy matrix composite and its manufacturing method |
| CN101168807B (en) * | 2007-12-06 | 2010-06-30 | 北京有色金属研究总院 | High heat conductivity copper-base composite material and preparation method thereof |
| CN103173660B (en) * | 2011-12-20 | 2016-01-06 | 江苏朔耘石化装备有限公司 | A kind of Aluminum enamel composite material and preparation method thereof |
| CN103066186B (en) * | 2013-01-07 | 2016-03-02 | 浙江华正新材料股份有限公司 | The insulating barrier of ceramic chip composite structure, aluminium base and manufacture method thereof |
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