CN104073693B - A kind of LED fine and close aluminum-base composite heat sink material of low cost - Google Patents
A kind of LED fine and close aluminum-base composite heat sink material of low cost Download PDFInfo
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- CN104073693B CN104073693B CN201410322173.5A CN201410322173A CN104073693B CN 104073693 B CN104073693 B CN 104073693B CN 201410322173 A CN201410322173 A CN 201410322173A CN 104073693 B CN104073693 B CN 104073693B
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Abstract
The present invention relates to light fixture heat sink material, being specifically related to the fine and close aluminum-base composite heat sink material of a kind of LED low cost and production method thereof, this heat sink material is made up of the raw material of following weight part: aluminium 80-82, aluminium nitride 15-18, barium carbonate 1-2, calcite 6-8, talcum 10-12, Dicalcium Phosphate (Feed Grade) 8-10, medical stone 3-5, manganese sulfide 1-2, zinc sulfate 3-4, Zinc Gluconate 1-3, auxiliary agent 4-5; The heat sink material of the present invention combines the advantage of the compositions such as aluminium, aluminium nitride, talcum, auxiliary agent; have good heat conduction and insulating property concurrently; after the mixed aqueous solution immersion treatment of zinc sulfate, Zinc Gluconate, the composition such as barium carbonate, calcite, talcum, medical stone is more easily compatible with metal-powder; improve sintering effect, the heat sink material compact structure that the present invention prepares, any surface finish; light weight, cost are low; durable in use, 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 the fine and close aluminum-base composite heat sink material of a kind of LED low cost 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 the fine and close aluminum-base composite heat sink material of a kind of LED low cost, to improve the heat dispersion of material, obtain good use properties, in order to realize above-mentioned purpose, the technical solution used in the present invention is as follows:
A kind of LED fine and close aluminum-base composite heat sink material of low cost, it is characterized in that, material of the present invention is made up of the raw material of following weight part: aluminium 80-82, aluminium nitride 15-18, barium carbonate 1-2, calcite 6-8, talcum 10-12, Dicalcium Phosphate (Feed Grade) 8-10, medical stone 3-5, manganese sulfide 1-2, zinc sulfate 3-4, Zinc Gluconate 1-3, 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.
The fine and close aluminum-base composite heat sink material of described a kind of LED low cost, its manufacture craft comprises following step:
(1) first zinc sulfate, Zinc Gluconate are dropped into 10 times and dissolve completely in the water of its total weight parts, add barium carbonate, calcite, talcum, Dicalcium Phosphate (Feed Grade), medical stone subsequently in the solution, after soaking 10-12h, filtration, drying, gained material is for subsequent use;
(2), after step (1) gained material and other remaining component are mixed together stirring 1-2h, drop into ball-milling processing in ball mill, make 10000-hole sieve surplus��0.05% of gained material;
(3) material of step (2) gained is sent into compression moulding in mould, 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, aluminium nitride, talcum, the advantage of the compositions such as auxiliary agent, have good heat conduction and insulating property concurrently, and first utilize zinc sulfate, the mixed aqueous solution immersion treatment barium carbonate of Zinc Gluconate, calcite, talcum, the raw materials such as medical stone, improve the surface property of material, promote the consistency of itself and metal-powder, improve sintering effect, the heat sink material compact structure that the present invention prepares, any surface finish, light weight, cost is low, durable in use, 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: aluminium 80, aluminium nitride 18, barium carbonate 2, calcite 8, talcum 10, Dicalcium Phosphate (Feed Grade) 10, medical stone 5, manganese sulfide 1, zinc sulfate 4, Zinc Gluconate 2, 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 4.8%, 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.
The fine and close aluminum-base composite heat sink material of described a kind of LED low cost, its manufacture craft comprises following step:
(1) first zinc sulfate, Zinc Gluconate are dropped into 10 times and dissolve completely in the water of its total weight parts, add barium carbonate, calcite, talcum, Dicalcium Phosphate (Feed Grade), medical stone subsequently in the solution, after soaking 12h, filtration, drying, gained material is for subsequent use;
(2), after step (1) gained material and other remaining component are mixed together stirring 2h, drop into ball-milling processing in ball mill, make 10000-hole sieve surplus��0.05% of gained material;
(3) material of step (2) gained is sent into compression moulding in mould, under nitrogen atmosphere with after the temperature sintering 5h of 650-700 DEG C, through naturally cooling to room temperature and get final product.
The decrease in density 12.5% 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, thermal conductivity improves 25.7%, thermal diffusivity improves 28.1%, and heat balance time on average shortens 150min, and light fixture improves 27.6% work-ing life.
Claims (2)
1. the LED fine and close aluminum-base composite heat sink material of low cost, it is characterized in that, this heat sink material is made up of the raw material of following weight part: aluminium 80-82, aluminium nitride 15-18, barium carbonate 1-2, calcite 6-8, talcum 10-12, Dicalcium Phosphate (Feed Grade) 8-10, medical stone 3-5, manganese sulfide 1-2, zinc sulfate 3-4, Zinc Gluconate 1-3, 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;
The preparation method of described auxiliary agent 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.
2. a kind of LED as claimed in claim 1 fine and close aluminum-base composite heat sink material of low cost, its production method is as follows:
(1) first zinc sulfate, Zinc Gluconate are dropped into 10 times and dissolve completely in the water of its total weight parts, add barium carbonate, calcite, talcum, Dicalcium Phosphate (Feed Grade), medical stone subsequently in the solution, after soaking 10-12h, filtration, drying, gained material is for subsequent use;
(2), after step (1) gained material and other remaining component are mixed together stirring 1-2h, drop into ball-milling processing in ball mill, make 10000-hole sieve surplus��0.05% of gained material;
(3) material of step (2) gained is sent into compression moulding in mould, 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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| CN201410322173.5A CN104073693B (en) | 2014-07-08 | 2014-07-08 | A kind of LED fine and close aluminum-base composite heat sink material of low cost |
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| CN201410322173.5A CN104073693B (en) | 2014-07-08 | 2014-07-08 | A kind of LED fine and close aluminum-base composite heat sink material of low cost |
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| CN104073693A CN104073693A (en) | 2014-10-01 |
| CN104073693B true CN104073693B (en) | 2016-06-08 |
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| CN104711467A (en) * | 2015-03-16 | 2015-06-17 | 合肥瑞华电子科技有限责任公司 | Rare-earth yttrium-doped aluminum-based composite heat dissipation material for LED |
| CN107034376A (en) * | 2017-03-17 | 2017-08-11 | 宁波高新区远创科技有限公司 | A kind of preparation method of high performance aluminium materials |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103360766A (en) * | 2012-04-01 | 2013-10-23 | 厦门市东林电子有限公司 | Material of insulation and heat radiation body of LED (light-emitting diode) lamp |
| TW201402514A (en) * | 2012-07-13 | 2014-01-16 | Bosin Technology Co Ltd | Far-infrared heat dissipation ceramic slurry, fiber cloth made from the slurry, film made from the slurry and preparation method thereof |
| CN103811651A (en) * | 2012-11-12 | 2014-05-21 | 铼钻科技股份有限公司 | Heat-conducting composite material and light-emitting diode derived from same |
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| AU2003232085A1 (en) * | 2002-05-09 | 2003-11-11 | Harmonics, Inc | Tapecast electro-conductive cermets for high temperature resistive heating systems |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103360766A (en) * | 2012-04-01 | 2013-10-23 | 厦门市东林电子有限公司 | Material of insulation and heat radiation body of LED (light-emitting diode) lamp |
| TW201402514A (en) * | 2012-07-13 | 2014-01-16 | Bosin Technology Co Ltd | Far-infrared heat dissipation ceramic slurry, fiber cloth made from the slurry, film made from the slurry and preparation method thereof |
| CN103811651A (en) * | 2012-11-12 | 2014-05-21 | 铼钻科技股份有限公司 | Heat-conducting composite material and light-emitting diode derived from same |
Non-Patent Citations (1)
| Title |
|---|
| 氧化铝绝缘导热层;杨力;《大功率LED散热封装用铝基氮化铝薄膜基板研究》;20130515;第20-31页 * |
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Denomination of invention: A Low Cost Dense Aluminum Matrix Composite Heat Dissipation Material for LED Effective date of registration: 20230927 Granted publication date: 20160608 Pledgee: Agricultural Bank of China Limited Tianchang City Branch Pledgor: ANHUI SUNNY ELECTRIC GROUP Co.,Ltd. Registration number: Y2023980059457 |
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