CN104896452A - Heat dissipation material, LED spot light radiator based on same, and LED spot light - Google Patents
Heat dissipation material, LED spot light radiator based on same, and LED spot light Download PDFInfo
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- CN104896452A CN104896452A CN201510318931.0A CN201510318931A CN104896452A CN 104896452 A CN104896452 A CN 104896452A CN 201510318931 A CN201510318931 A CN 201510318931A CN 104896452 A CN104896452 A CN 104896452A
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- powder
- heat dissipation
- spot light
- led spot
- led spotlight
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- 239000000463 material Substances 0.000 title claims abstract description 42
- 230000017525 heat dissipation Effects 0.000 title abstract description 12
- 239000000843 powder Substances 0.000 claims abstract description 87
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 59
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 55
- 239000002994 raw material Substances 0.000 claims abstract description 27
- PZNSFCLAULLKQX-UHFFFAOYSA-N Boron nitride Chemical compound N#B PZNSFCLAULLKQX-UHFFFAOYSA-N 0.000 claims abstract description 23
- 239000007788 liquid Substances 0.000 claims abstract description 18
- 238000002360 preparation method Methods 0.000 claims abstract description 9
- 238000001816 cooling Methods 0.000 claims abstract description 8
- 238000010438 heat treatment Methods 0.000 claims abstract description 8
- 238000002844 melting Methods 0.000 claims abstract description 8
- 230000008018 melting Effects 0.000 claims abstract description 8
- 239000004411 aluminium Substances 0.000 claims description 52
- 229910052582 BN Inorganic materials 0.000 claims description 21
- 238000010304 firing Methods 0.000 claims description 11
- 239000000203 mixture Substances 0.000 claims description 7
- 238000007493 shaping process Methods 0.000 claims description 7
- 238000010792 warming Methods 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 11
- NFFIWVVINABMKP-UHFFFAOYSA-N methylidynetantalum Chemical compound [Ta]#C NFFIWVVINABMKP-UHFFFAOYSA-N 0.000 abstract 2
- 238000000465 moulding Methods 0.000 abstract 2
- 239000011858 nanopowder Substances 0.000 abstract 2
- 229910003468 tantalcarbide Inorganic materials 0.000 abstract 2
- 238000002156 mixing Methods 0.000 abstract 1
- 230000002035 prolonged effect Effects 0.000 abstract 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- 238000002474 experimental method Methods 0.000 description 4
- 238000012360 testing method Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 239000000956 alloy Substances 0.000 description 2
- 229910045601 alloy Inorganic materials 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 229910052736 halogen Inorganic materials 0.000 description 1
- 150000002367 halogens Chemical class 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 238000004020 luminiscence type Methods 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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- Led Device Packages (AREA)
- Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
Abstract
The invention discloses a heat dissipation material which comprises the following raw materials by mass percent: 2.3%-3.5% of boron nitride nanopowder, 1.6%-2.8% of tantalum carbide nanopowder, and the balance of aluminum powder, wherein a preparation method of an LED spot light radiator based on the heat dissipation material comprises the following steps: (1) dosing, namely the boron nitride nanopowder, tantalum carbide nanopowder and aluminum powder are dosed according to a proportion; (2) mixing, namely the dosed raw materials are mixed uniformly through a powder mixer; (3) melting, namely the uniformly mixed raw materials are fed into a heating device and are heated until the aluminum powder is completely molten into liquid; (4) molding, namely the raw materials, which are heated and in which the aluminum powder is in a liquid state, are added into an LED spot light radiator mould and are subjected to cooling molding. An LED spot light comprises the LED spot light radiator. According to the invention, the heat dissipation material has the heat dissipation effect better than that of aluminum and has the surface heat dissipation capability better than that of aluminum; the LED spot light radiator based on the heat dissipation material has the heat dissipation effect better than that of a traditional aluminum radiator, so that the service life of the LED spot light is prolonged.
Description
Technical field
The present invention relates to LED technical field of heat dissipation, specifically a kind of heat sink material, based on the LED spotlight radiator of this material and LED spotlight.
Background technology
Shot-light can be placed in furred ceiling surrounding or furniture top, within the walls, in dado or skirting.Light direct irradiation on the utensils implements required emphasis, with outstanding subjective Aesthetic functions, reach give prominence to the key points, strong, the in riotous profusion colorful artistic effect of environment uniqueness, levels are rich, atmosphere.Shot-light light is soft, elegant and poised, both can play a leading role to integral illumination, again can local daylighting, heighten atmosphere.
LED spotlight is exactly with the shot-light of light emitting diode as light source.Tradition shot-light many employings Halogen lamp LED, luminous efficiency is lower, compare power consumption, illuminated environment temperature rises, service life is short.LED light source is all far superior to traditional lighting light fixture in the aspect of principle of luminosity, energy-saving and environmental protection.And the one-way of LED luminescence defines the perfection support to shot-light luminous intensity distribution.
The heat dissipation problem of LED spotlight is a great problem affecting its service life.Current LED spotlight radiator generally adopts Al squeezing material or pack alloy to be made.Due to Al squeezing material or pack alloy heat transfer coefficient low, cause radiator heat conduct slower.Can only strengthen area of dissipation to reach better radiating effect, improving fin height, serious waste metal material, and volume is comparatively large, processing technology is bad.
Summary of the invention
The object of the present invention is to provide a kind of heat sink material, based on the LED spotlight radiator of this material and LED spotlight, to solve the problem proposed in above-mentioned background technology.
For achieving the above object, the invention provides following technical scheme:
A kind of heat sink material, comprises according to mass percent: boron nitride nanometer powder 2.3%-3.5%, ramet nanometer powder 1.6%-2.8%, surplus is aluminium powder.
As the further scheme of the present invention: described heat sink material, comprises according to mass percent: boron nitride nanometer powder 2.8%, ramet nanometer powder 2%, surplus is aluminium powder.
Based on a preparation method for the LED spotlight radiator of this heat sink material, step is as follows: (1), batching, boron nitride nanometer powder, ramet nanometer powder and aluminium powder is proportionally prepared burden; (2), mix, the raw material prepared is mixed by powder mixer; (3), melting, the raw material that mixes is dropped in firing equipment, is heated to aluminium powder and is melted up to liquid state completely; (4), shaping, will heating after and the raw material that aluminium powder is in a liquid state is added in LED spotlight radiator mould, cooling forming.
As the further scheme of the present invention: in the 3rd step, put into after in firing equipment until raw material, firing equipment is warming up to 700 DEG C, and keeps, until aluminium powder is melted up to liquid state completely.
A kind of LED spotlight, comprises above-mentioned LED spotlight radiator.
Compared with prior art, the invention has the beneficial effects as follows: the radiating effect of heat sink material of the present invention is better than aluminium, and surface radiating ability is better than aluminium, based on the LED spotlight radiator of this heat sink material than traditional Aluminium Radiator good heat dissipation effect, thus extend the service life of LED spotlight.
Detailed description of the invention
Be described in more detail below in conjunction with the technical scheme of detailed description of the invention to this patent.
Embodiment 1
A kind of heat sink material, comprise according to mass percent: boron nitride nanometer powder 2.5%, ramet nanometer powder 1.6%, surplus is aluminium powder.
A kind of preparation method of the LED spotlight radiator based on this heat sink material, step is as follows: (1), batching, boron nitride nanometer powder, ramet nanometer powder and aluminium powder are proportionally prepared burden, wherein boron nitride nanometer powder 2.5%, ramet nanometer powder 1.6%, surplus is aluminium powder; (2), mix, the raw material prepared is mixed by powder mixer; (3), melting, the raw material that mixes is dropped in firing equipment, is heated to aluminium powder and is melted up to liquid state completely; (4), shaping, will heating after and the raw material that aluminium powder is in a liquid state is added in LED spotlight radiator mould, cooling forming.
Embodiment 2
A kind of heat sink material, comprise according to mass percent: boron nitride nanometer powder 2.8%, ramet nanometer powder 2%, surplus is aluminium powder.
A kind of preparation method of the LED spotlight radiator based on this heat sink material, step is as follows: (1), batching, proportionally prepare burden to boron nitride nanometer powder, ramet nanometer powder and aluminium powder, wherein boron nitride nanometer powder 3%, ramet nanometer powder 2%, surplus is aluminium powder; (2), mix, the raw material prepared is mixed by powder mixer; (3), melting, the raw material that mixes is dropped in firing equipment, is heated to aluminium powder and is melted up to liquid state completely; (4), shaping, will heating after and the raw material that aluminium powder is in a liquid state is added in LED spotlight radiator mould, cooling forming.
Embodiment 3
A kind of heat sink material, comprise according to mass percent: boron nitride nanometer powder 3.5%, ramet nanometer powder 2.5%, surplus is aluminium powder.
A kind of preparation method of the LED spotlight radiator based on this heat sink material, step is as follows: (1), batching, boron nitride nanometer powder, ramet nanometer powder and aluminium powder are proportionally prepared burden, wherein boron nitride nanometer powder 3.5%, ramet nanometer powder 2.5%, surplus is aluminium powder; (2), mix, the raw material prepared is mixed by powder mixer; (3), melting, the raw material that mixes is dropped in firing equipment, is heated to aluminium powder and is melted up to liquid state completely; (4), shaping, will heating after and the raw material that aluminium powder is in a liquid state is added in LED spotlight radiator mould, cooling forming.
Embodiment 4
A kind of heat sink material, comprise according to mass percent: boron nitride nanometer powder 2.3%, ramet nanometer powder 2.8%, surplus is aluminium powder.
A kind of preparation method of the LED spotlight radiator based on this heat sink material, step is as follows: (1), batching, boron nitride nanometer powder, ramet nanometer powder and aluminium powder are proportionally prepared burden, wherein boron nitride nanometer powder 2.3%, ramet nanometer powder 2.8%, surplus is aluminium powder; (2), mix, the raw material prepared is mixed by powder mixer; (3), melting, the raw material that mixes is dropped in firing equipment, is heated to aluminium powder and is melted up to liquid state completely; (4), shaping, will heating after and the raw material that aluminium powder is in a liquid state is added in LED spotlight radiator mould, cooling forming.
Embodiment 5
A kind of heat sink material, comprise according to mass percent: boron nitride nanometer powder 3.5%, ramet nanometer powder 1.6%, surplus is aluminium powder.
A kind of preparation method of the LED spotlight radiator based on this heat sink material, step is as follows: (1), batching, boron nitride nanometer powder, ramet nanometer powder and aluminium powder are proportionally prepared burden, wherein boron nitride nanometer powder 3.5%, ramet nanometer powder 1.6%, surplus is aluminium powder; (2), mix, the raw material prepared is mixed by powder mixer; (3), melting, the raw material that mixes is dropped in firing equipment, is heated to aluminium powder and is melted up to liquid state completely; (4), shaping, will heating after and the raw material that aluminium powder is in a liquid state is added in LED spotlight radiator mould, cooling forming.
Embodiment 6
A kind of LED spotlight, comprises embodiment 1, embodiment 2, embodiment 3, embodiment 4 or the LED spotlight radiator described in embodiment 5.
Under Natural Convection Conditions, relatively in short-term, radiating effect of the present invention is better than aluminium to the distance of conducting in radiator when heat, has following experiment---and the experiment of vacuum flask hot water temperature drawdown test is card.
One, laboratory apparatus: vacuum flask bore Φ 75, cover plate size Φ 85 × 1.8, hot water amount heavy 300g, thermometer range 0-100 DEG C.
Two, experimental procedure: aluminium and heat sink material of the present invention are made cover plate, is placed on vacuum flask respectively, is placed with hot water in vacuum flask, utilizes thermometer to do the experiment of vacuum flask hot water temperature drawdown test.The heat sink material wherein chosen in embodiment 2 makes cover plate, carries out this experiment.
Three, experimental data:
Temperature declines need use the time, sees the following form 1
Table 1 vacuum flask hot water temperature drawdown test experimental data
As can be seen from Table 1, in the temperature range of 95-60 DEG C, fall at each temperature in interval, the cover plate that heat sink material of the present invention is made need be all short than aluminium sheet with the time, therefore illustrates that the surface radiating ability of heat sink material of the present invention is better than aluminium.
The heat sink material of the present invention of aluminium and different ratio is adopted to prepare 12W LED spotlight radiator respectively.With same set of LED spotlight lamp pearl aluminium base and driving power, engage the LED spotlight radiator of different materials respectively, be assembled into LED spotlight, power supply is external, be placed in baking oven, under 25,35 and 45 DEG C of three kinds of temperature conditions, test obtains the temperature of aluminium base, sees the following form 2.
The heat sink material of table 2 different ratio makes the LED spotlight lamp pearl aluminium base temperature corresponding to LED spotlight radiator
As can be seen from the above table, the radiating effect of heat sink material of the present invention is better than aluminium, and best with the radiating effect of the heat sink material of embodiment 2 correspondence.
To sum up narrate, the radiating effect of heat sink material of the present invention is better than aluminium, and surface radiating ability is better than aluminium, based on the LED spotlight radiator of this heat sink material than traditional Aluminium Radiator good heat dissipation effect, thus extends the service life of LED spotlight.
Above the better embodiment of this patent is explained in detail, but this patent is not limited to above-mentioned embodiment, in the ken that one skilled in the relevant art possesses, various change can also be made under the prerequisite not departing from this patent aim.
Claims (5)
1. a heat sink material, is characterized in that, comprises according to mass percent: boron nitride nanometer powder 2.3%-3.5%, ramet nanometer powder 1.6%-2.8%, surplus is aluminium powder.
2. heat sink material according to claim 1, is characterized in that, comprises according to mass percent: boron nitride nanometer powder 2.8%, ramet nanometer powder 2%, and surplus is aluminium powder.
3. based on a preparation method for the LED spotlight radiator of the heat sink material as described in as arbitrary in claim 1-2, it is characterized in that, step is as follows: (1), batching, boron nitride nanometer powder, ramet nanometer powder and aluminium powder is proportionally prepared burden; (2), mix, the raw material prepared is mixed by powder mixer; (3), melting, the raw material that mixes is dropped in firing equipment, is heated to aluminium powder and is melted up to liquid state completely; (4), shaping, will heating after and the raw material that aluminium powder is in a liquid state is added in LED spotlight radiator mould, cooling forming.
4. the preparation method of LED spotlight radiator according to claim 3, is characterized in that, in the 3rd step, put into after in firing equipment until raw material, firing equipment is warming up to 700 DEG C and keeps, until aluminium powder is melted up to liquid state completely.
5. a LED spotlight, is characterized in that, comprise as arbitrary in claim 3-4 as described in LED spotlight radiator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510318931.0A CN104896452A (en) | 2015-06-11 | 2015-06-11 | Heat dissipation material, LED spot light radiator based on same, and LED spot light |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510318931.0A CN104896452A (en) | 2015-06-11 | 2015-06-11 | Heat dissipation material, LED spot light radiator based on same, and LED spot light |
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| CN104896452A true CN104896452A (en) | 2015-09-09 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510318931.0A Pending CN104896452A (en) | 2015-06-11 | 2015-06-11 | Heat dissipation material, LED spot light radiator based on same, and LED spot light |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107868656A (en) * | 2016-09-26 | 2018-04-03 | 罗宇晴 | Composition of heat-conducting aluminum material and manufacturing method thereof |
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| CN103436066A (en) * | 2012-04-13 | 2013-12-11 | 普罗旺斯科技（深圳）有限公司 | Heat dissipation coating, heat dissipation fin and manufacturing method |
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2015
- 2015-06-11 CN CN201510318931.0A patent/CN104896452A/en active Pending
Patent Citations (8)
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| CN1212781A (en) * | 1996-02-28 | 1999-03-31 | 旭化成工业株式会社 | Method of designing phase-change optical recording medium, and phase-change optical recording medium |
| CN101315913A (en) * | 2008-06-12 | 2008-12-03 | 上海芯光科技有限公司 | A light weight and high thermal conductivity power device package |
| CN102352142A (en) * | 2011-04-07 | 2012-02-15 | 世林（漯河）冶金设备有限公司 | High-temperature nano-grade anti-carburizing material and coating, and application thereof |
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| CN102649896A (en) * | 2012-05-29 | 2012-08-29 | 邱璟 | Novel high heat conduction and heat dissipation coating and manufacturing method thereof |
| CN102748737A (en) * | 2012-06-28 | 2012-10-24 | 东莞市科磊得数码光电科技有限公司 | LED (light-emitting diode) lamp and radiating pipe thereof |
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| CN107868656A (en) * | 2016-09-26 | 2018-04-03 | 罗宇晴 | Composition of heat-conducting aluminum material and manufacturing method thereof |
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Application publication date: 20150909 |
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