CN104725827A - LED lamp cooling fin convenient for cooling - Google Patents
LED lamp cooling fin convenient for cooling Download PDFInfo
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- CN104725827A CN104725827A CN201510168373.4A CN201510168373A CN104725827A CN 104725827 A CN104725827 A CN 104725827A CN 201510168373 A CN201510168373 A CN 201510168373A CN 104725827 A CN104725827 A CN 104725827A
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- silicon carbide
- silicon nitride
- led lamp
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L69/00—Compositions of polycarbonates; Compositions of derivatives of polycarbonates
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/002—Physical properties
- C08K2201/003—Additives being defined by their diameter
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/014—Additives containing two or more different additives of the same subgroup in C08K
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/02—Flame or fire retardant/resistant
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
Abstract
The invention relates to an LED lamp cooling fin convenient for cooling. The LED lamp cooling fin is prepared by raw materials comprising, by weight, 20-30 parts of silicon carbide, 10-20 parts of aluminium nitride, 8-10 parts of graphite, 6-10 parts of paraffin wax, 6-10 parts of glass fibers, 6-8 parts of polycarbonate, 4-6 parts of polyglycolic acid, 2-4 parts of sodium silicofluoride, 2-5 parts of chlorine vinegar resin, 1-3 parts of modifiers, 2-4 parts of ferrous chloride, 1-3 parts of alums and 1-3 parts of silicon nitride powder. Heat-conducting property, flame retardant property and mechanical property are greatly improved by adding the raw materials of the modified silicon carbide, the glass fibers, the polycarbonate, the alums, the silicon nitride powder and the like in a composite material; modification is performed through the silicon carbide, dispersion effect of the silicon carbide is improved, and accumulation of the silicon carbide is avoided; an LED lamp is heat resistant, aging resistant and long in service life.
Description
Technical field
The invention belongs to LED technology field, be specifically related to a kind of LED radiator element of convenient heat radiation.
Background technology
LED lamp, full name LED lamp, refers to energy printing opacity, distribution and the photodistributed utensil of change LED light source.The technical characterstics such as LED lamp is efficient with it, energy-conservation, long-lived, small and exquisite, effectively pull the high speed development of environmental protection and energy-conservation industry.Due to the light occurrence features of LED, its energy input when means of illumination only has 20% to be converted into luminous energy, and remaining 80% is then converted into the heat energy that knot divides, thus adds inner temperature.The radiator element applied in prior art LED lamp mostly there is heat transfer efficiency and resistance toheat is poor, easy thermal distortion, and the defects such as tensile yield strength difference and easily fracture, greatly reduce the life-span of light fixture.
Summary of the invention
The object of the present invention is to provide a kind of LED radiator element of convenient heat radiation, heat conduction can be realized better, improve thermostability.
To achieve these goals, technical scheme of the present invention is as follows.
A LED radiator element for convenient heat radiation, is prepared from by the raw material of following mass parts: 20 ~ 30 parts, silicon carbide, aluminium nitride 10 ~ 20 parts, 8 ~ 10 parts, graphite, 6 ~ 10 parts, paraffin, 6 ~ 10 parts, glass fibre, polycarbonate 6 ~ 8 parts, polyglycolic acid 4 ~ 6 parts, Sodium Silicofluoride 2 ~ 4 parts, vinyl chloride-vinyl acetate resin 2 ~ 5 parts, properties-correcting agent 1 ~ 3 part, iron protochloride 2 ~ 4 parts, 1 ~ 3 part, alum, silicon nitride powder 1 ~ 3 part.
The preparation method of above-mentioned radiator element comprises the steps:
1) raw material is taken: take each raw material for standby according to mass parts;
2) prepare carbon modified SiClx: silicon carbide is delivered to ball mill, be milled to the powder that particle diameter is more than 300 orders, then powder be placed in container, add properties-correcting agent subsequently, 1000 turns/min centrifugal mixer 10min, to obtain final product; Described properties-correcting agent by isopropyl titanate, water and acetone according to 2: 3: 2 weight ratio mix obtained;
3) prepare material A: aluminium nitride and graphite are delivered to ball mill, be milled to the powder that particle diameter is more than 300 orders, then mixed with silicon nitride powder by powder, 500 revs/min are stirred 20 minutes, obtain material A; Wherein, the particle diameter of silicon nitride powder is more than 400 orders;
4) material B is prepared: by paraffin, glass fibre, polycarbonate, polyglycolic acid, Sodium Silicofluoride, vinyl chloride-vinyl acetate resin, iron protochloride and alum, put into successively in stirrer, stir, then being placed in temperature is 75 ~ 90 DEG C, relative humidity is in the hygrothermal environment of 85% 12 ~ 20 hours, obtains material B;
5) injection moulding: carbon modified SiClx, material A and material B are put in reactor, 1000 turns/min centrifugal mixer 20 minutes, the batch mixing stirred is discharged in twin screw extruder, is expressed in injection moulding machine after the complete melting of batch mixing, injection moulding and get final product at 280 ~ 300 DEG C.
This beneficial effect of the invention is: the present invention, by adding the raw materials such as carbon modified SiClx, glass fibre, polycarbonate, alum and silicon nitride powder in the composite, substantially increases heat conductivility, flame retardant properties and mechanical property; The present invention, by carrying out modification to silicon carbide, improves the dispersion effect of silicon carbide, avoids accumulation; LED lamp prepared by the present invention is high temperature resistant, ageing-resistant, long service life.
Embodiment
Below in conjunction with embodiment, the specific embodiment of the present invention is described, better to understand the present invention.
embodiment 1
The LED radiator element of the convenient heat radiation in the present embodiment, is prepared from by the raw material of following mass parts: 20 parts, silicon carbide, aluminium nitride 10 parts, 8 parts, graphite, 6 parts, paraffin, 6 parts, glass fibre, polycarbonate 6 parts, polyglycolic acid 4 parts, Sodium Silicofluoride 2 parts, vinyl chloride-vinyl acetate resin 2 parts, properties-correcting agent 1 part, iron protochloride 2 parts, 1 part, alum, silicon nitride powder 1 part.
The preparation method of above-mentioned radiator element comprises the steps:
1) raw material is taken: take each raw material for standby according to mass parts;
2) prepare carbon modified SiClx: silicon carbide is delivered to ball mill, be milled to the powder that particle diameter is more than 300 orders, then powder be placed in container, add properties-correcting agent subsequently, 1000 turns/min centrifugal mixer 10min, to obtain final product; Described properties-correcting agent by isopropyl titanate, water and acetone according to 2: 3: 2 weight ratio mix obtained;
3) prepare material A: aluminium nitride and graphite are delivered to ball mill, be milled to the powder that particle diameter is more than 300 orders, then mixed with silicon nitride powder by powder, 500 revs/min are stirred 20 minutes, obtain material A; Wherein, the particle diameter of silicon nitride powder is more than 400 orders;
4) material B is prepared: by paraffin, glass fibre, polycarbonate, polyglycolic acid, Sodium Silicofluoride, vinyl chloride-vinyl acetate resin, iron protochloride and alum, put into successively in stirrer, stir, then being placed in temperature is 75 DEG C, relative humidity is in the hygrothermal environment of 85% 12 hours, obtains material B;
5) injection moulding: carbon modified SiClx, material A and material B are put in reactor, 1000 turns/min centrifugal mixer 20 minutes, the batch mixing stirred is discharged in twin screw extruder, is expressed in injection moulding machine after the complete melting of batch mixing, injection moulding and get final product at 280 DEG C.
embodiment 2
The LED radiator element of the convenient heat radiation in the present embodiment, is prepared from by the raw material of following mass parts: 25 parts, silicon carbide, aluminium nitride 15 parts, 9 parts, graphite, 8 parts, paraffin, 8 parts, glass fibre, polycarbonate 7 parts, polyglycolic acid 5 parts, Sodium Silicofluoride 3 parts, vinyl chloride-vinyl acetate resin 4 parts, properties-correcting agent 2 parts, iron protochloride 3 parts, 2 parts, alum, silicon nitride powder 2 parts.
The preparation method of above-mentioned radiator element comprises the steps:
1) raw material is taken: take each raw material for standby according to mass parts;
2) prepare carbon modified SiClx: silicon carbide is delivered to ball mill, be milled to the powder that particle diameter is more than 300 orders, then powder be placed in container, add properties-correcting agent subsequently, 1000 turns/min centrifugal mixer 10min, to obtain final product; Described properties-correcting agent by isopropyl titanate, water and acetone according to 2: 3: 2 weight ratio mix obtained;
3) prepare material A: aluminium nitride and graphite are delivered to ball mill, be milled to the powder that particle diameter is more than 300 orders, then mixed with silicon nitride powder by powder, 500 revs/min are stirred 20 minutes, obtain material A; Wherein, the particle diameter of silicon nitride powder is more than 400 orders;
4) material B is prepared: by paraffin, glass fibre, polycarbonate, polyglycolic acid, Sodium Silicofluoride, vinyl chloride-vinyl acetate resin, iron protochloride and alum, put into successively in stirrer, stir, then being placed in temperature is 80 DEG C, relative humidity is in the hygrothermal environment of 85% 16 hours, obtains material B;
5) injection moulding: carbon modified SiClx, material A and material B are put in reactor, 1000 turns/min centrifugal mixer 20 minutes, the batch mixing stirred is discharged in twin screw extruder, is expressed in injection moulding machine after the complete melting of batch mixing, injection moulding and get final product at 290 DEG C.
embodiment 3
The LED radiator element of the convenient heat radiation in the present embodiment, is prepared from by the raw material of following mass parts: 30 parts, silicon carbide, aluminium nitride 20 parts, 10 parts, graphite, 10 parts, paraffin, 10 parts, glass fibre, polycarbonate 8 parts, polyglycolic acid 6 parts, Sodium Silicofluoride 4 parts, vinyl chloride-vinyl acetate resin 5 parts, properties-correcting agent 3 parts, iron protochloride 4 parts, 3 parts, alum, silicon nitride powder 3 parts.
The preparation method of above-mentioned radiator element comprises the steps:
1) raw material is taken: take each raw material for standby according to mass parts;
2) prepare carbon modified SiClx: silicon carbide is delivered to ball mill, be milled to the powder that particle diameter is more than 300 orders, then powder be placed in container, add properties-correcting agent subsequently, 1000 turns/min centrifugal mixer 10min, to obtain final product; Described properties-correcting agent by isopropyl titanate, water and acetone according to 2: 3: 2 weight ratio mix obtained;
3) prepare material A: aluminium nitride and graphite are delivered to ball mill, be milled to the powder that particle diameter is more than 300 orders, then mixed with silicon nitride powder by powder, 500 revs/min are stirred 20 minutes, obtain material A; Wherein, the particle diameter of silicon nitride powder is more than 400 orders;
4) material B is prepared: by paraffin, glass fibre, polycarbonate, polyglycolic acid, Sodium Silicofluoride, vinyl chloride-vinyl acetate resin, iron protochloride and alum, put into successively in stirrer, stir, then being placed in temperature is 75 DEG C, relative humidity is in the hygrothermal environment of 85% 20 hours, obtains material B;
5) injection moulding: carbon modified SiClx, material A and material B are put in reactor, 1000 turns/min centrifugal mixer 20 minutes, the batch mixing stirred is discharged in twin screw extruder, is expressed in injection moulding machine after the complete melting of batch mixing, injection moulding and get final product at 300 DEG C.
The above is the preferred embodiment of the present invention; it should be pointed out that for those skilled in the art, under the premise without departing from the principles of the invention; can also make some improvements and modifications, these improvements and modifications are also considered as protection scope of the present invention.
Claims (2)
1. a LED radiator element for convenient heat radiation, is characterized in that: be prepared from by the raw material of following mass parts: 20 ~ 30 parts, silicon carbide, aluminium nitride 10 ~ 20 parts, 8 ~ 10 parts, graphite, 6 ~ 10 parts, paraffin, 6 ~ 10 parts, glass fibre, polycarbonate 6 ~ 8 parts, polyglycolic acid 4 ~ 6 parts, Sodium Silicofluoride 2 ~ 4 parts, vinyl chloride-vinyl acetate resin 2 ~ 5 parts, properties-correcting agent 1 ~ 3 part, iron protochloride 2 ~ 4 parts, 1 ~ 3 part, alum, silicon nitride powder 1 ~ 3 part.
2. the LED radiator element of convenient heat radiation according to claim 1, is characterized in that: the preparation method of above-mentioned radiator element comprises the steps:
1) raw material is taken: take each raw material for standby according to mass parts;
2) prepare carbon modified SiClx: silicon carbide is delivered to ball mill, be milled to the powder that particle diameter is more than 300 orders, then powder be placed in container, add properties-correcting agent subsequently, 1000 turns/min centrifugal mixer 10min, to obtain final product; Described properties-correcting agent by isopropyl titanate, water and acetone according to 2: 3: 2 weight ratio mix obtained;
3) prepare material A: aluminium nitride and graphite are delivered to ball mill, be milled to the powder that particle diameter is more than 300 orders, then mixed with silicon nitride powder by powder, 500 revs/min are stirred 20 minutes, obtain material A; Wherein, the particle diameter of silicon nitride powder is more than 400 orders;
4) material B is prepared: by paraffin, glass fibre, polycarbonate, polyglycolic acid, Sodium Silicofluoride, vinyl chloride-vinyl acetate resin, iron protochloride and alum, put into successively in stirrer, stir, then being placed in temperature is 75 ~ 90 DEG C, relative humidity is in the hygrothermal environment of 85% 12 ~ 20 hours, obtains material B;
5) injection moulding: carbon modified SiClx, material A and material B are put in reactor, 1000 turns/min centrifugal mixer 20 minutes, the batch mixing stirred is discharged in twin screw extruder, is expressed in injection moulding machine after the complete melting of batch mixing, injection moulding and get final product at 280 ~ 300 DEG C.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510168373.4A CN104725827A (en) | 2015-04-12 | 2015-04-12 | LED lamp cooling fin convenient for cooling |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510168373.4A CN104725827A (en) | 2015-04-12 | 2015-04-12 | LED lamp cooling fin convenient for cooling |
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| CN104725827A true CN104725827A (en) | 2015-06-24 |
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| CN201510168373.4A Pending CN104725827A (en) | 2015-04-12 | 2015-04-12 | LED lamp cooling fin convenient for cooling |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105948758A (en) * | 2016-04-29 | 2016-09-21 | 佛山市南海区联合广东新光源产业创新中心 | Heat-dissipation sheet for LED lamp |
| CN106317878A (en) * | 2016-08-17 | 2017-01-11 | 安徽福恩光电科技有限公司 | LED lamp cooling fin capable of facilitating cooling |
| CN106751659A (en) * | 2016-12-11 | 2017-05-31 | 安徽兆利光电科技有限公司 | A kind of LED outer cover |
| CN106808642A (en) * | 2015-12-01 | 2017-06-09 | 宁波华翔汽车纤维研发有限公司 | A kind of online mixing Shooting Technique suitable for carbon fiber auto parts and components |
| CN108034252A (en) * | 2017-12-07 | 2018-05-15 | 安徽新欧电子科技有限公司 | A kind of graphene material LED light heat sink of convenient heat dissipation |
| CN111303642A (en) * | 2019-11-26 | 2020-06-19 | 东莞市美庆电子科技有限公司 | Low-thermal-resistance phase-change heat conduction material and preparation method thereof |
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| CN104073696A (en) * | 2014-07-08 | 2014-10-01 | 安徽艳阳电气集团有限公司 | High-stability aluminum-base composite heat radiating material for LED |
| CN104141073A (en) * | 2014-07-08 | 2014-11-12 | 蚌埠市高华电子有限公司 | Modified magnesium carbonate containing aluminum-based composite heat dissipating material for LED (Light Emitting Diode) |
| CN104180348A (en) * | 2014-08-07 | 2014-12-03 | 国家电网公司 | LED lamp provided with radiating fins |
| CN104406141A (en) * | 2014-07-31 | 2015-03-11 | 国家电网公司 | Cooling fin for light-emitting diode lamp and manufacturing method of cooling fin |
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2015
- 2015-04-12 CN CN201510168373.4A patent/CN104725827A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104073696A (en) * | 2014-07-08 | 2014-10-01 | 安徽艳阳电气集团有限公司 | High-stability aluminum-base composite heat radiating material for LED |
| CN104141073A (en) * | 2014-07-08 | 2014-11-12 | 蚌埠市高华电子有限公司 | Modified magnesium carbonate containing aluminum-based composite heat dissipating material for LED (Light Emitting Diode) |
| CN104406141A (en) * | 2014-07-31 | 2015-03-11 | 国家电网公司 | Cooling fin for light-emitting diode lamp and manufacturing method of cooling fin |
| CN104180348A (en) * | 2014-08-07 | 2014-12-03 | 国家电网公司 | LED lamp provided with radiating fins |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106808642A (en) * | 2015-12-01 | 2017-06-09 | 宁波华翔汽车纤维研发有限公司 | A kind of online mixing Shooting Technique suitable for carbon fiber auto parts and components |
| CN105948758A (en) * | 2016-04-29 | 2016-09-21 | 佛山市南海区联合广东新光源产业创新中心 | Heat-dissipation sheet for LED lamp |
| CN105948758B (en) * | 2016-04-29 | 2019-02-19 | 佛山市南海区联合广东新光源产业创新中心 | A kind of LED light cooling fin |
| CN106317878A (en) * | 2016-08-17 | 2017-01-11 | 安徽福恩光电科技有限公司 | LED lamp cooling fin capable of facilitating cooling |
| CN106751659A (en) * | 2016-12-11 | 2017-05-31 | 安徽兆利光电科技有限公司 | A kind of LED outer cover |
| CN108034252A (en) * | 2017-12-07 | 2018-05-15 | 安徽新欧电子科技有限公司 | A kind of graphene material LED light heat sink of convenient heat dissipation |
| CN111303642A (en) * | 2019-11-26 | 2020-06-19 | 东莞市美庆电子科技有限公司 | Low-thermal-resistance phase-change heat conduction material and preparation method thereof |
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Application publication date: 20150624 |