CN104406141B - It is a kind of for fin of LED lamp and preparation method thereof - Google Patents
It is a kind of for fin of LED lamp and preparation method thereof Download PDFInfo
- Publication number
- CN104406141B CN104406141B CN201410373803.1A CN201410373803A CN104406141B CN 104406141 B CN104406141 B CN 104406141B CN 201410373803 A CN201410373803 A CN 201410373803A CN 104406141 B CN104406141 B CN 104406141B
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- parts
- fin
- prepared
- glass fibre
- raw material
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 238000002360 preparation method Methods 0.000 title claims abstract description 11
- 239000000463 material Substances 0.000 claims abstract description 28
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 24
- CPLXHLVBOLITMK-UHFFFAOYSA-N Magnesium oxide Chemical compound [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 claims abstract description 18
- 239000002994 raw material Substances 0.000 claims abstract description 15
- 239000003365 glass fiber Substances 0.000 claims abstract description 14
- 239000000377 silicon dioxide Substances 0.000 claims abstract description 12
- 229910000410 antimony oxide Inorganic materials 0.000 claims abstract description 10
- VTRUBDSFZJNXHI-UHFFFAOYSA-N oxoantimony Chemical compound [Sb]=O VTRUBDSFZJNXHI-UHFFFAOYSA-N 0.000 claims abstract description 10
- 229910010271 silicon carbide Inorganic materials 0.000 claims abstract description 10
- VBICKXHEKHSIBG-UHFFFAOYSA-N 1-monostearoylglycerol Chemical compound CCCCCCCCCCCCCCCCCC(=O)OCC(O)CO VBICKXHEKHSIBG-UHFFFAOYSA-N 0.000 claims abstract description 9
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 9
- 239000004425 Makrolon Substances 0.000 claims abstract description 9
- 229910002804 graphite Inorganic materials 0.000 claims abstract description 9
- 239000010439 graphite Substances 0.000 claims abstract description 9
- 239000000395 magnesium oxide Substances 0.000 claims abstract description 9
- ZTFZSHLWORMEHO-UHFFFAOYSA-A pentaaluminum;[oxido(phosphonatooxy)phosphoryl] phosphate Chemical compound [Al+3].[Al+3].[Al+3].[Al+3].[Al+3].[O-]P([O-])(=O)OP([O-])(=O)OP([O-])([O-])=O.[O-]P([O-])(=O)OP([O-])(=O)OP([O-])([O-])=O.[O-]P([O-])(=O)OP([O-])(=O)OP([O-])([O-])=O ZTFZSHLWORMEHO-UHFFFAOYSA-A 0.000 claims abstract description 9
- 229920000515 polycarbonate Polymers 0.000 claims abstract description 9
- 239000011347 resin Substances 0.000 claims abstract description 9
- 229920005989 resin Polymers 0.000 claims abstract description 9
- HGAZMNJKRQFZKS-UHFFFAOYSA-N chloroethene;ethenyl acetate Chemical compound ClC=C.CC(=O)OC=C HGAZMNJKRQFZKS-UHFFFAOYSA-N 0.000 claims abstract description 8
- 229920000954 Polyglycolide Polymers 0.000 claims abstract description 7
- 239000004633 polyglycolic acid Substances 0.000 claims abstract description 7
- 239000000843 powder Substances 0.000 claims description 10
- 238000002156 mixing Methods 0.000 claims description 8
- 239000002245 particle Substances 0.000 claims description 8
- 238000001746 injection moulding Methods 0.000 claims description 5
- 238000002347 injection Methods 0.000 claims description 4
- 239000007924 injection Substances 0.000 claims description 4
- 238000002844 melting Methods 0.000 claims description 4
- 230000008018 melting Effects 0.000 claims description 4
- 239000011148 porous material Substances 0.000 claims description 4
- 238000003756 stirring Methods 0.000 claims description 4
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 claims 3
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 claims 1
- AHJKRLASYNVKDZ-UHFFFAOYSA-N DDD Chemical compound C=1C=C(Cl)C=CC=1C(C(Cl)Cl)C1=CC=C(Cl)C=C1 AHJKRLASYNVKDZ-UHFFFAOYSA-N 0.000 claims 1
- 229910052801 chlorine Inorganic materials 0.000 claims 1
- 239000000460 chlorine Substances 0.000 claims 1
- 125000002887 hydroxy group Chemical group [H]O* 0.000 claims 1
- 239000000203 mixture Substances 0.000 claims 1
- 239000000052 vinegar Substances 0.000 claims 1
- 235000021419 vinegar Nutrition 0.000 claims 1
- 238000013461 design Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- YQEMORVAKMFKLG-UHFFFAOYSA-N glycerine monostearate Natural products CCCCCCCCCCCCCCCCCC(=O)OC(CO)CO YQEMORVAKMFKLG-UHFFFAOYSA-N 0.000 description 3
- SVUQHVRAGMNPLW-UHFFFAOYSA-N glycerol monostearate Natural products CCCCCCCCCCCCCCCCC(=O)OCC(O)CO SVUQHVRAGMNPLW-UHFFFAOYSA-N 0.000 description 3
- -1 glycerol monostearate Ester Chemical class 0.000 description 3
- AEMRFAOFKBGASW-UHFFFAOYSA-N Glycolic acid Chemical compound OCC(O)=O AEMRFAOFKBGASW-UHFFFAOYSA-N 0.000 description 2
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 238000004134 energy conservation Methods 0.000 description 2
- 238000005286 illumination Methods 0.000 description 2
- 229910052710 silicon Inorganic materials 0.000 description 2
- 239000010703 silicon Substances 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 230000032683 aging Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000010292 electrical insulation Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 150000002148 esters Chemical class 0.000 description 1
- 229960004275 glycolic acid Drugs 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 238000007639 printing Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
- F21Y2101/00—Point-like light sources
Abstract
The invention belongs to photoelectric lighting Material Field, a kind of fin for LED lamp is disclosed, is prepared from by the raw material of following parts by weight, 20 parts of carborundum, 15 parts of magnesia, 10 parts of graphite, 7 parts of glass fibre, 7 parts of makrolon, 6 parts of polyglycolic acid, 4 parts of TDE, 4 parts of glycerin monostearate, 3 parts of vinyl chloride-vinyl acetate resin, 2 parts of aluminium triphosphate, 2 parts of antimony oxide, 2 parts of silica white.The invention also discloses the preparation method of above-mentioned fin.Heat conductivility, fire resistance and the better mechanical property of fin prepared by the present invention, wide market.
Description
Technical field
The invention belongs to photoelectric lighting Material Field, and in particular to a kind of fin for LED lamp and its
Preparation method.
Background technology
LED lamp, also known as LED lamp, refer to energy printing opacity, distribution and the utensil for changing LED/light source light distribution,
It is used to fixing and protect whole parts and components needed for LED/light source including all in addition to LED/light source, and be connected with power supply must
The circuit annex needed.LED lamp is with the technical characterstic such as its efficient, energy-conservation, long-lived, compact, as a new generation's photograph
Main force's product in bright market, and effectively pull the high speed development of environmental protection and energy-conservation industry.
Due to LED light occurrence features, its energy input only 20% in lighting device is converted into luminous energy, and remains
Remaining 80% is converted into the heat energy of knot point, so as to add the temperature of inside.The increase of internal temperature makes LED illumination
During lamp, especially compact design, its performance such as luminous efficiency will significantly decline, and such as use at high temperature for a long time, it will
Shorten the life-span of LED illumination etc..In order to solve the above problems, it is necessary to the heat that will be produced inside LED in actual design application
Amount is discharged to outside.In the prior art, used by the radiating piece with heat radiating fin structure, passed through heat transfer or thermal convection current
The produced heat of LED chip is cooled down etc. effect.
There is heat transfer efficiency in the fin applied in prior art LED lamp and electrical insulation capability is poor mostly, hold
Easy thermal deformation, and tensile yield strength difference and the defect such as it is easily broken off, greatly reduce the life-span of light fixture.Many research people
Member is improved by exploring new material and new technology to the performance of fin, but often various performances can not get both, it is impossible to
Meet and require;Prior art has made a large amount of improvement to fin material, wherein, Chinese patent CN200810121442 describes one
The radiating element that expensive high heat conductive insulating plastics are manufactured by die press technology for forming is planted, the radiating element possesses preferable heat conduction
Performance, but mechanical performance is barely satisfactory.
The content of the invention
The present invention is used for light-emitting diodes for the defect for overcoming the mechanical performance of prior art presence poor there is provided one kind
The fin of spot tool;Present invention also offers the preparation method of fin.
The present invention is achieved by the following technical solutions:
A kind of fin for LED lamp, it is prepared from by the raw material of following parts by weight:
16-20 parts of carborundum, 12-15 parts of magnesia, 8-10 parts of graphite, 6-7 parts of glass fibre, 6-7 parts of makrolon gathers
5-6 parts of hydroxyacetic acid, 3-4 parts of TDE, 3-4 parts of glycerin monostearate, 2-3 parts of vinyl chloride-vinyl acetate resin, aluminium triphosphate
1-2 parts, 1-2 parts of antimony oxide, 1-2 parts of silica white;
Present invention also offers the preparation method of above-mentioned fin, it comprises the following steps:
1) raw material is weighed:Each raw material for standby is weighed according to parts by weight;
2) material A is prepared:Carborundum, magnesia and graphite are delivered into ball mill, it is powder more than 500 mesh to be milled to particle diameter
End, then mixes powder with silica white, and 500 revs/min are stirred 10 minutes, obtain material A;Wherein, the particle diameter of silica white is
300-400 mesh, pore volume is 0.35-0.45mL/g, and specific surface area is 600-800m2/g;
3) material B is prepared:By glass fibre, makrolon, polyglycolic acid, TDE, glycerol monostearate
Ester, vinyl chloride-vinyl acetate resin, aluminium triphosphate and antimony oxide, put into mixer successively, stir, and are subsequently placed in temperature
For 85-90 DEG C, relative humidity is 12-16 hours in 90% hygrothermal environment, obtains material B;
4) injection molding is melted:Material A and material B are put into reactor, 1000 turns/min centrifugal mixers 10 minutes,
The batch mixing stirred is discharged in double screw extruder, is expressed into after after batch mixing completely melting in injection machine, at 290-300 DEG C
Lower injection molding is produced.
Wherein, a diameter of 10-20um of glass fibre, length is 50-100um.
The beneficial effect that the present invention is obtained mainly have it is following some:
The present invention adjusts compatibility amount by reasonable selection raw material, and the fin various aspects of performance of preparation is excellent, it is adaptable to
The fin of LED lamp;Fin prepared by the present invention is drawn while preferable heat conductivility and insulating properties are effectively kept
Stretch yield strength and elongation at break is also greatly improved;The present invention by adding carborundum, glass fibre, gathering in the composite
The raw materials such as carbonic ester, antimony oxide and silica white, substantially increase heat conductivility, fire resistance and mechanical performance;This hair
Bright preparation method is simple to operate, and production cost is low, is conducive to industrial application;The resistance to height of fin prepared by the present invention
Warm, ageing-resistant, service life is long.
Embodiment
In order that those skilled in the art more fully understand the technical scheme in the application, have below in conjunction with the application
Body embodiment, is more clearly and completely described, it is clear that described embodiment is only the application one to the present invention
Divide embodiment, rather than whole embodiments.Based on the embodiment in the application, those of ordinary skill in the art are not making
The every other embodiment obtained under the premise of creative work, should all belong to the scope of protection of the invention.
Embodiment 1
A kind of fin for LED lamp, it is prepared from by the raw material of following parts by weight:
16 parts of carborundum, 12 parts of magnesia, 8 parts of graphite, 6 parts of glass fibre, 6 parts of makrolon, 5 parts of polyglycolic acid,
3 parts of TDE, 3 parts of glycerin monostearate, 2 parts of vinyl chloride-vinyl acetate resin, 1 part of aluminium triphosphate, 1 part of antimony oxide, silicon
1 part of rubber powder;
The preparation method of above-mentioned fin comprises the following steps:
1) raw material is weighed:Each raw material for standby is weighed according to parts by weight;
2) material A is prepared:Carborundum, magnesia and graphite are delivered into ball mill, it is powder more than 500 mesh to be milled to particle diameter
End, then mixes powder with silica white, and 500 revs/min are stirred 10 minutes, obtain material A;Wherein, the particle diameter of silica white is
300-400 mesh, pore volume is 0.35-0.45mL/g, and specific surface area is 600-800m2/g;
3) material B is prepared:By glass fibre, makrolon, polyglycolic acid, TDE, glycerol monostearate
Ester, vinyl chloride-vinyl acetate resin, aluminium triphosphate and antimony oxide, put into mixer successively, stir, and are subsequently placed in temperature
For 85 DEG C, relative humidity is 16 hours in 90% hygrothermal environment, obtains material B;
4) injection molding is melted:Material A and material B are put into reactor, 1000 turns/min centrifugal mixers 10 minutes,
The batch mixing stirred is discharged in double screw extruder, is expressed into after after batch mixing completely melting in injection machine, in 290 DEG C of bets
The type of being moulded into is produced.
Wherein, a diameter of 10um of glass fibre, length is 50um.
Embodiment 2
A kind of fin for LED lamp, it is prepared from by the raw material of following parts by weight:
20 parts of carborundum, 15 parts of magnesia, 10 parts of graphite, 7 parts of glass fibre, 7 parts of makrolon, 6 parts of polyglycolic acid,
4 parts of TDE, 4 parts of glycerin monostearate, 3 parts of vinyl chloride-vinyl acetate resin, 2 parts of aluminium triphosphate, 2 parts of antimony oxide, silicon
2 parts of rubber powder;
Present invention also offers the preparation method of above-mentioned fin, it comprises the following steps:
1) raw material is weighed:Each raw material for standby is weighed according to parts by weight;
2) material A is prepared:Carborundum, magnesia and graphite are delivered into ball mill, it is powder more than 500 mesh to be milled to particle diameter
End, then mixes powder with silica white, and 500 revs/min are stirred 10 minutes, obtain material A;Wherein, the particle diameter of silica white is
300-400 mesh, pore volume is 0.35-0.45mL/g, and specific surface area is 600-800m2/g;
3) material B is prepared:By glass fibre, makrolon, polyglycolic acid, TDE, glycerol monostearate
Ester, vinyl chloride-vinyl acetate resin, aluminium triphosphate and antimony oxide, put into mixer successively, stir, and are subsequently placed in temperature
For 90 DEG C, relative humidity is 12 hours in 90% hygrothermal environment, obtains material B;
4) injection molding is melted:Material A and material B are put into reactor, 1000 turns/min centrifugal mixers 10 minutes,
The batch mixing stirred is discharged in double screw extruder, is expressed into after after batch mixing completely melting in injection machine, in 300 DEG C of bets
The type of being moulded into is produced.
Wherein, a diameter of 20um of glass fibre, length is 100um.
Embodiment 3
(the unit so that appearance and size is 50 × 20 × 8 as an example:Millimeter), fin prepared by detection embodiment 1 and embodiment 2
Performance parameter, concrete outcome is shown in Table 1:
Table 1
Exemplary description is carried out to the present invention above in conjunction with specific embodiment, it is clear that realization of the invention is not by upper
The limitation of mode is stated, if the various improvement of inventive concept and technical scheme of the present invention progress are employed, or not improved general
The design and technical scheme of the present invention directly applies to other occasions, within the scope of the present invention.
Claims (2)
1. a kind of fin for LED lamp, it is characterised in that the fin by following parts by weight raw material
It is prepared from:
16-20 parts of carborundum, 12-15 parts of magnesia, 8-10 parts of graphite, 6-7 parts of glass fibre, 6-7 parts of makrolon, poly- hydroxyl
5-6 parts of acetic acid, 3-4 parts of TDE, 3-4 parts of glycerin monostearate, 2-3 parts of vinyl chloride-vinyl acetate resin, aluminium triphosphate 1-2
Part, 1-2 parts of antimony oxide, 1-2 parts of silica white;
The preparation method of the fin comprises the following steps:
1) raw material is weighed:Each raw material for standby is weighed according to parts by weight;
2) material A is prepared:Carborundum, magnesia and graphite are delivered into ball mill, it is powder more than 500 mesh to be milled to particle diameter,
Then powder is mixed with silica white, 500 revs/min are stirred 10 minutes, obtain material A;Wherein, the particle diameter of silica white is 300-
400 mesh, pore volume is 0.35-0.45mL/g, and specific surface area is 600-800m2/g;
3) material B is prepared:By glass fibre, makrolon, polyglycolic acid, TDE, glycerin monostearate, chlorine
Vinegar resin, aluminium triphosphate and antimony oxide, put into mixer successively, stir, and are subsequently placed in temperature for 85-
90 DEG C, relative humidity is 12-16 hours in 90% hygrothermal environment, obtains material B;
4) injection molding is melted:Material A and material B are put into reactor, 1000 turns/min centrifugal mixers 10 minutes will be stirred
Mix uniform batch mixing to be discharged in double screw extruder, be expressed into after after batch mixing completely melting in injection machine, in 290-300 DEG C of bet
The type of being moulded into is produced.
2. fin as claimed in claim 1, it is characterised in that a diameter of 10-20um of the glass fibre, length is
50-100um。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201410373803.1A CN104406141B (en) | 2014-07-31 | 2014-07-31 | It is a kind of for fin of LED lamp and preparation method thereof |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201410373803.1A CN104406141B (en) | 2014-07-31 | 2014-07-31 | It is a kind of for fin of LED lamp and preparation method thereof |
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Publication Number | Publication Date |
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CN104406141A CN104406141A (en) | 2015-03-11 |
CN104406141B true CN104406141B (en) | 2017-07-28 |
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CN201410373803.1A Expired - Fee Related CN104406141B (en) | 2014-07-31 | 2014-07-31 | It is a kind of for fin of LED lamp and preparation method thereof |
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Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN104725827A (en) * | 2015-04-12 | 2015-06-24 | 芜湖市神龙新能源科技有限公司 | LED lamp cooling fin convenient for cooling |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6162849A (en) * | 1999-01-11 | 2000-12-19 | Ferro Corporation | Thermally conductive thermoplastic |
CN103044889A (en) * | 2012-12-31 | 2013-04-17 | 广东银禧科技股份有限公司 | LED lamp used extrusion grade heat-conducting makrolon material and preparation method thereof |
CN103524863A (en) * | 2013-09-25 | 2014-01-22 | 吴江市天源塑胶有限公司 | Heat-conducting wear-resistant plastic |
CN103865257A (en) * | 2014-03-31 | 2014-06-18 | 厦门市瑞胜发塑胶工业有限公司 | Thermoplastic polyamide composition and preparation method thereof |
WO2014091350A2 (en) * | 2012-12-14 | 2014-06-19 | Sabic Innovative Plastics Ip B.V. | Thermally conductive flame retardant polymer compositions and uses thereof |
-
2014
- 2014-07-31 CN CN201410373803.1A patent/CN104406141B/en not_active Expired - Fee Related
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6162849A (en) * | 1999-01-11 | 2000-12-19 | Ferro Corporation | Thermally conductive thermoplastic |
WO2014091350A2 (en) * | 2012-12-14 | 2014-06-19 | Sabic Innovative Plastics Ip B.V. | Thermally conductive flame retardant polymer compositions and uses thereof |
CN103044889A (en) * | 2012-12-31 | 2013-04-17 | 广东银禧科技股份有限公司 | LED lamp used extrusion grade heat-conducting makrolon material and preparation method thereof |
CN103524863A (en) * | 2013-09-25 | 2014-01-22 | 吴江市天源塑胶有限公司 | Heat-conducting wear-resistant plastic |
CN103865257A (en) * | 2014-03-31 | 2014-06-18 | 厦门市瑞胜发塑胶工业有限公司 | Thermoplastic polyamide composition and preparation method thereof |
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