CN103822195A - LED lamp radiating shell - Google Patents
LED lamp radiating shell Download PDFInfo
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- CN103822195A CN103822195A CN201210467426.9A CN201210467426A CN103822195A CN 103822195 A CN103822195 A CN 103822195A CN 201210467426 A CN201210467426 A CN 201210467426A CN 103822195 A CN103822195 A CN 103822195A
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
- Y02B20/72—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps in street lighting
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Abstract
The invention discloses an LED lamp radiating shell which comprises a shell body. A lamp connecting part for mounting an LED lamp is disposed on the upper portion of the inner side of the shell body. Radiating parts are disposed inside and/or outside the shell body. Preferably, the LED radiating shell is made of heat conducting polyamide composite material. The heat conducting polyamide composite material comprises, by weight, 20-40 parts of PA resin, 58.2-77.4 parts of heat conducting filler, 0.2-0.3 part of antioxidant, 0.5-0.7 part of coupling agent, 0.5-0.7 part of liquid promoter, 0.2-0.4 part of lubricant, and 0.3-0.6 part of processing promoter. The LED lamp radiating shell has the advantages that the shell is good in heat conducting performance, high in mechanical strength, low in density, easy to process and low in cost; by the special structural design of the shell, large radiating space and evident radiating effect can be achieved, and the service life of an LED lamp is prolonged.
Description
Technical field
The invention belongs to field of light fittings, be specifically related to a kind of LED lamp heat-dissipating casing.
Background technology
LED lamp housing is in the market mainly to adopt aluminium alloy compression casting to make, the mould complexity of use, and manufacturing procedure complexity, cause processing cost high, the cost of aluminum alloy materials is also higher simultaneously, causes whole LED lamp cost higher, and aluminium alloy LED lamp housing weight is heavier simultaneously.And, aluminium alloy LED lamp housing is often because the area of dissipation of design is less, and dust is easily piled up in heat radiation place, cause radiating efficiency poor, cause heat build-up to be difficult for shedding, and cause the heat radiation of whole LED lamp bad, cause LDE lamp luminance range, light decay exhausts seriously, is easy to variable color, affects illumination and the result of use of LED lamp.
To sum up, existing LED lamp housing exists weight heavier, and processing cost is high, and the defect that area of dissipation is little, radiating effect is poor causes LED lamp short service life, affects result of use and the life-span of LED lamp.
Summary of the invention
For solving the above-mentioned defect existing in prior art, the object of this invention is to provide a kind of LED lamp heat-dissipating casing.
The present invention is achieved through the following technical solutions:
A kind of LED lamp heat-dissipating casing, comprises housing main body, and described housing main body inside upper part is provided with the light fixture attaching parts of mounted LED lamp, and described housing main body inside and/or outside are provided with thermal component.
Preferably, described housing main body is hollow circular cylinder, and its external diameter is 10 ~ 500mm, and wall thickness is 1 ~ 10mm, is highly 10 ~ 500mm;
Described light fixture attaching parts are the internal thread that is arranged on housing main body inside upper part, and the size of this internal thread and LED lamp match;
Described thermal component comprise be arranged on housing main body inside cylinder step, be arranged on housing main body inner bottom circular ring plate, be arranged on housing main body outside fin, be arranged on the reinforcement of housing main body outside and be arranged on a kind of or its combination in the radiating ribs of housing main body outside.
Preferably, described cylinder step is arranged on the below of described internal thread, and the external diameter of this cylinder step is identical with the internal diameter of housing main body, and wall thickness is 1 ~ 10mm, is highly 5 ~ 500mm.
Preferably, the thickness of described circular ring plate is 1 ~ 10mm, and internal diameter is 1 ~ 100mm.
Preferably, described fin is arranged along described housing main body even circumferential, and fin number is 2 ~ 100;
Described fin be shaped as fish scale shape, triangle or S shape, fin thickness is 0.8 ~ 10mm, adjacent fin tangential angle becomes 1 ° ~ 180 °.
Preferably, described reinforcement arranges a circle along housing main body circumference, this reinforcement and fin interconnection;
Described radiating ribs is circular arc, is arranged between adjacent two fin along the normal direction of housing main body axis, and described circular arc radiating ribs thickness is 0.8 ~ 10mm, is highly 1 ~ 100mm;
Described housing main body is arranged with the circular gradient wall of a circle outward, and this circle gradient wall and housing main body axis be in 90 ° ~ and 180 °, the height of described circular gradient wall is 1 ~ 100mm.
Described housing main body lower inside periphery is provided with the draw-in groove for fixed L ED lamp heat-dissipating casing and LED lampshade are installed.
Preferably, described LED lamp heat-dissipating casing is made up of heat conduction polyamide compoiste material, and described heat conduction polyamide compoiste material is made up of the component that comprises following weight portion:
20 ~ 40 parts of PA resins,
58.2 ~ 77.4 parts of heat fillings,
0.2 ~ 0.3 part, antioxidant,
0.5 ~ 0.7 part of coupling agent,
0.5 ~ 0.7 part of liquid adjuvants,
0.5 ~ 1.0 part of lubricant.
Preferably, the PA6 resin that described PA resin is extrusion grade, wherein the melt index of PA6 resin is 50 ~ 100g/10min;
Described heat filling is selected from one or more in heat conduction carborundum, heat conduction aluminium oxide, conductive graphite, heat conduction boron nitride or heat conduction aluminium nitride;
Described coupling agent is selected from one or more in titante coupling agent or silane coupling agent;
Described antioxidant is the compound of Hinered phenols primary antioxidant and phosphorous acid esters auxiliary antioxidant, and Hinered phenols primary antioxidant is 1:1 ~ 2 with the ratio of the weight portion of phosphorous acid esters auxiliary antioxidant;
Described liquid adjuvants is white oil;
Described lubricant is selected from silicone or N, one or both in N '-ethylene bis stearamide (EBS).
Preferably, described heat conduction aluminium oxide and/or heat conduction carborundum are 2 ~ 7:1 with the ratio of the weight portion of conductive graphite and/or heat conduction aluminium nitride and/or heat conduction boron nitride;
Described titante coupling agent is isopropyl three stearic acid titanate esters (TTS), and described silane coupling agent is γ-glycidyl ether oxygen propyl trimethoxy silicane (KH550);
Described Hinered phenols primary antioxidant is antioxidant N; N '-bis--(3-(3; 5-di-tert-butyl-hydroxy phenyl) propiono) hexamethylene diamine (antioxidant 1098); described phosphorous acid esters auxiliary antioxidant is selected from antioxidant three ［ 2.4-di-tert-butyl-phenyl ］ phosphite ester (irgasfos 168) or antioxidant 4; 4 '-[1; 1 '-xenyl] one in subunit di 2 ethylhexyl phosphonic acid-tetra-[2,4-, bis-2-methyl-2-phenylpropane bases] ester (antioxidant PEPQ).
Wherein, in LED lamp heat-dissipating casing, described housing main body possesses the effect of conducting heat and dispelling the heat; Described cylinder step, circular ring plate, fin, reinforcement, circular arc radiating ribs mainly work to strengthen heat-conducting area, strengthen heat transfer efficiency; Described reinforcement and circular gradient wall mainly work to strengthen the structural strength of LED lamp heat-dissipating casing.
Compared with prior art, beneficial effect of the present invention is as follows:
1. the present invention adopts the injection mo(u)lding of heat conduction polyamide compoiste material to make LED lamp heat-dissipating casing, this LED lamp heat-dissipating casing thermal conductivity is good, mechanical strength is high, has advantages of that low, lightweight, corrosion-resistant, the easy processing of density, cost are low with traditional aluminum alloy materials compared with the LED lamp housing of making;
2. the LED lamp heat-dissipating casing that prepared by the present invention is by special structural design, by arranging of reinforcement realize advantage that mechanical strength is high, by the selection of material and the setting of various thermal components, realize that heat-dissipating space is large, the obvious effect of radiating effect, thus the service life of having improved LED lamp;
3. the LED lamp heat-dissipating casing that prepared by the present invention makes it possess higher security protection performance by structural design, in use procedure, there will not be local deformation and the damage of product, thereby guarantee that it can repeatedly use and use for a long time, reduced use cost, reduce environmental pollution;
4. the LED lamp heat-dissipating casing that prepared by the present invention adopts injection molding process, and with short production cycle, working (machining) efficiency is high, and production cost is low, is applicable to batch production;
5. the LED lamp heat-dissipating casing moulding rear surface that prepared by the present invention is attractive in appearance, visible internal structure, and be easy to recycling.
Accompanying drawing explanation
Fig. 1 is the top view of LED lamp heat-dissipating casing of the present invention;
Fig. 2 is the front view of LED lamp heat-dissipating casing of the present invention;
Fig. 3 is the upward view of LED lamp heat-dissipating casing of the present invention;
Fig. 4 is the perspective view at the visual angle, top of LED lamp heat-dissipating casing of the present invention;
Fig. 5 is the perspective view at the visual angle, below of LED lamp heat-dissipating casing of the present invention.
the specific embodiment
The invention provides a kind of LED lamp heat-dissipating casing, it is made with heat conduction polyamide compoiste material, and this heat-dissipating casing structure is referring to Fig. 1-5, housing main body 1 profile is hollow circular cylinder, and external diameter is 10 ~ 500mm, is highly 10 ~ 500mm, wall thickness is 1 ~ 10mm, and 1 of housing main body conducts heat and thermolysis; Housing main body 1 inside upper part is provided with internal thread 2, and screw thread specification is mainly determined according to the screw thread of LED lamp mating part, and internal thread 2 works the effect of being mounted with; Housing main body 1 inside is provided with cylinder step 3 below internal thread 2, and the external diameter of cylinder step 3 is identical with the internal diameter of housing main body 1, and the wall thickness of cylinder step 3 is 1 ~ 10mm, is highly 5 ~ 500mm, mainly works to strengthen heat transfer efficiency; Housing main body 1 inner bottom is provided with circular ring plate 4, and these circular ring plate 4 thickness are 1 ~ 10mm, and internal radius is 1 ~ 100mm, mainly plays increasing heat radiation area, delays the effect of service time; Housing main body 1 outside is provided with multiple fin 5, those fin are arranged along the even circumferential of housing main body 1, fin 5 be shaped as fish scale shape, triangle or S shape, fin number is 2 ~ 100, fin thickness is 0.8 ~ 10mm, adjacent fin tangential angle becomes 1 ° ~ 180 °, mainly works to strengthen heat transfer efficiency; Housing main body 1 outside is provided with a circle reinforcement 6 along housing main body circumference, plays radiating effect, this reinforcement 6 and fin 5 interconnections; Between adjacent two fin, be provided with arc radiating ribs 7 along the normal direction of housing main body axis, described arc radiating ribs thickness is 0.8 ~ 10mm, is highly 1 ~ 100mm, is mainly increasing heat radiation area, strengthens radiating effect.Whole heat-dissipating casing 1 outermost is provided with the circular gradient wall 8 of a circle, and this circle gradient wall 8 and the axis of housing main body 1 be in 90 ° ~ 180 ° of angles, it is highly 1 ~ 100mm, main rising increases shell mechanism intensity, the effect of increase internal structural space.Housing main body 1 lower inside periphery is provided with draw-in groove 9, has been mainly the effect of installation and fixed L ED lampshade.In specific embodiments of the invention, LED heat-dissipating casing can be selected one or more are set for cylinder step, circular ring plate, fin, reinforcement, the circular arc radiating ribs of dispelling the heat above-mentioned.
Below in conjunction with embodiment and accompanying drawing, the invention will be further described.
Embodiment 1
The LED lamp heat-dissipating casing of the present embodiment adopts heat conduction polyamide compoiste material, and this material has good thermal conductivity.Heat conduction polyamide compoiste material is made up of the component that comprises following weight portion: 40 parts of PA6 resins, for high fluidity PA6 1010C2(melt index is 55g/10min); 48.2 parts, heat conduction carborundum, 10 parts of heat conduction boron nitride; 1098,0.2 parts of irgasfos 168s of 0.1 part of antioxidant; Coupling agent TTS0.5 part, 0.5 part of white oil, 0.5 part of lubricant silicone.
After adding high mixer to mix above-mentioned component, add extruder, melt extrude, pelletizing obtains heat conduction polyamide compoiste material particle, then heat conduction polyamide compoiste material particle is joined in injection machine, injection mo(u)lding obtains LED lamp heat-dissipating casing.
Above-mentioned LED lamp heat-dissipating casing main body 1 profile making is hollow circular cylinder, and external diameter is 10mm, and wall thickness is 1mm, is highly 10mm, rises and conducts heat and thermolysis; Main body inside upper part is provided with internal thread 2, and this screw thread specification is mainly determined according to the screw thread of LED lamp mating part, and this internal thread 2 works the effect of being mounted with; Housing main body 1 inside is provided with cylinder step 3 below internal thread 2, and the external diameter of cylinder step 3 is identical with the internal diameter of housing main body 1, and the wall thickness of cylinder step 3 is 1mm, is highly 5mm, mainly works to strengthen heat transfer efficiency; Housing main body 1 inner bottom is provided with circular ring plate 4, and its thickness is 1mm, and internal radius is 1mm, mainly plays increasing heat radiation area, delays the effect of service time.Housing main body 1 outside is provided with multiple fish scale shape fin 5, and those fin 5 are arranged along the even circumferential of housing main body 1, and the number of fin is 2, and wall thickness is 0.8mm, and two adjacent fin tangential angle become 180 °; Top, the outside bottom surface of housing main body 1 is provided with a circle reinforcement 6 along housing main body circumference, plays radiating effect, this reinforcement 6 and 5 interconnections of fish scale shape fin; Fish scale shape fin is provided with arc radiating ribs 7 along the normal direction of housing main body axis between any two, and the thickness of arc radiating ribs 7 is 0.8mm, and radiating ribs height is 1mm, is mainly increasing heat radiation area, strengthens radiating effect.Outside housing main body 1 bottom surface, be arranged with the circular gradient wall 8 of a circle, it is in 90 ° with main body axis, is highly 1mm, and it is mainly used in increasing shell mechanism intensity, increase internal structural space.
In addition, described housing main body lower inside periphery is provided with the draw-in groove 9 for fixed L ED lamp heat-dissipating casing and LED lampshade are installed, and the shape of draw-in groove, size, quantity are mated with LED lamp diffuser, depend primarily on LED lamp diffuser.
Embodiment 2
The LED lamp heat-dissipating casing of the present embodiment adopts heat conduction polyamide compoiste material, and this material has good thermal conductivity.Heat conduction polyamide compoiste material is made up of the component that comprises following weight portion: 20 parts of PA resins, for high fluidity PA6 XC030(melt index is 55g/10min); 67.4 parts, heat conduction aluminium oxide, 10 parts of conductive graphites, 1098,0.1 parts of antioxidant PEPQ of 0.1 part of antioxidant, 0.7 part of coupling agent KH550,0.7 part of white oil, 1.0 parts of Lubricate EBSs.
After adding high mixer to mix above-mentioned component, add extruder, melt extrude, pelletizing obtains heat conduction polyamide compoiste material particle, then heat conduction polyamide compoiste material particle is joined in injection machine, injection mo(u)lding obtains LED lamp heat-dissipating casing.
Above-mentioned LED lamp heat-dissipating casing main body 1 profile making is hollow circular cylinder, and external diameter is 250mm, and wall thickness is 5mm, is highly 250mm, rises and conducts heat and thermolysis; Main body inside upper part is provided with internal thread 2, and this screw thread specification is mainly determined according to the screw thread of LED lamp mating part, and this internal thread 2 works the effect of being mounted with; Housing main body 1 inside is provided with cylinder step 3 below internal thread 2, and the external diameter of cylinder step 3 is identical with the internal diameter of housing main body 1, and the wall thickness of cylinder step 3 is 5mm, is highly 250mm, mainly works to strengthen heat transfer efficiency; Housing main body 1 inner bottom is provided with circular ring plate 4, and its thickness is 5mm, and internal radius is 50mm, mainly plays increasing heat radiation area, delays the effect of service time.Housing main body 1 outside is provided with multiple triangle fin 5, and those fin 5 are arranged along the even circumferential of housing main body 1, and the number of fin is 50, and wall thickness is 5mm, and two adjacent fin tangential angle become 7.2 °; Top, the outside bottom surface of housing main body 1 is provided with a circle reinforcement 6 along housing main body circumference, plays radiating effect, this reinforcement 6 and 5 interconnections of triangle fin; Triangle fin is provided with arc radiating ribs 7 along the normal direction of housing main body axis between any two, and the thickness of arc radiating ribs 7 is 5mm, is highly 50mm, is mainly increasing heat radiation area, strengthens radiating effect.Outside housing main body 1 bottom surface, be arranged with the circular gradient wall 8 of a circle, it becomes 135 ° with main body axis, be highly 50mm, and it is mainly used in increasing shell mechanism intensity, increases internal structural space.
In addition, described housing main body lower inside periphery is provided with the draw-in groove 9 for fixed L ED lamp heat-dissipating casing and LED lampshade are installed, and the shape of draw-in groove, size, quantity are mated with LED lamp diffuser, depend primarily on LED lamp diffuser.
Embodiment 3
The LED lamp heat-dissipating casing of the present embodiment adopts heat conduction polyamide compoiste material, and this material has good thermal conductivity.Heat conduction polyamide compoiste material is made up of the component that comprises following weight portion: 30 parts of PA resins, for high fluidity PA6 1010C2(melt index is 55g/10min); 54 parts, heat conduction carborundum, 5 parts of heat conduction boron nitride, 5 parts of conductive graphites; 1098,0.15 parts of irgasfos 168s of 0.1 part of antioxidant; 0.6 part of coupling agent TTS, 0.6 part of white oil, 0.8 part of lubricant silicone.
After adding high mixer to mix above-mentioned component, add extruder, melt extrude, pelletizing obtains heat conduction polyamide compoiste material particle, then heat conduction polyamide compoiste material particle is joined in injection machine, injection mo(u)lding obtains LED lamp heat-dissipating casing.
Above-mentioned LED lamp heat-dissipating casing main body 1 profile making is hollow circular cylinder, and external diameter is 500mm, and wall thickness is 10mm, is highly 500mm, rises and conducts heat and thermolysis; Main body inside upper part is provided with internal thread 2, and this screw thread specification is mainly determined according to the screw thread of LED lamp mating part, and this internal thread 2 works the effect of being mounted with; Housing main body 1 inside is provided with cylinder step 3 below internal thread 2, and the external diameter of cylinder step 3 is identical with the internal diameter of housing main body 1, and the wall thickness of cylinder step 3 is 10mm, is highly 500mm, mainly works to strengthen heat transfer efficiency; Housing main body 1 inner bottom is provided with circular ring plate 4, and its thickness is 10mm, and internal radius is 100mm, mainly plays increasing heat radiation area, delays the effect of service time.Housing main body 1 outside is provided with multiple S shape fin 5, and those fin 5 are arranged along the even circumferential of housing main body 1, and the number of fin is 100, and wall thickness is 10mm, and two adjacent fin tangential angle become 3.6 °; Top, the outside bottom surface of housing main body 1 is provided with a circle reinforcement 6 along housing main body circumference, plays radiating effect, this reinforcement 6 and 5 interconnections of S shape fin; Triangle fin is provided with arc radiating ribs 7 along the normal direction of housing main body axis between any two, and the thickness of arc radiating ribs 7 is 10mm, is highly 100mm, is mainly increasing heat radiation area, strengthens radiating effect.Outside housing main body 1 bottom surface, be arranged with the circular gradient wall 8 of a circle, it becomes 180 ° with main body axis, be highly 100mm, and it is mainly used in increasing shell mechanism intensity, increases internal structural space.
In addition, described housing main body lower inside periphery is provided with the draw-in groove 9 for fixed L ED lamp heat-dissipating casing and LED lampshade are installed, and the shape of draw-in groove, size, quantity are mated with LED lamp diffuser, depend primarily on LED lamp diffuser.
Embodiment 4
A kind of LED lamp heat-dissipating casing, comprises housing main body, and described housing main body inside upper part is provided with the light fixture attaching parts of mounted LED lamp, inside and outside described housing main body, is provided with thermal component.Described housing main body is hollow circular cylinder, and its external diameter is 100mm, and wall thickness is 6mm, is highly 50mm; Described light fixture attaching parts are the internal thread that is arranged on housing main body inside upper part, and the size of this internal thread and LED lamp match; Have fin in housing main body outer setting, fin is arranged along described housing main body even circumferential, and fin number is 30; Described fin be shaped as fish scale shape, fin thickness is 2mm, adjacent fin tangential angle becomes 30 °; Top, the outside bottom surface of described housing main body is provided with a circle reinforcement along housing main body circumference, this reinforcement and fin interconnection; Between adjacent two fin, be provided with circular arc radiating ribs along the normal direction of housing main body axis, described circular arc radiating ribs thickness is 2mm, is highly 20mm; Outside described housing main body bottom surface, be arranged with the circular gradient wall of a circle, this circle gradient wall becomes 120 ° with housing main body axis, and the height of described circular gradient wall is 60mm.Described housing main body lower inside periphery is provided with the draw-in groove for fixed L ED lamp heat-dissipating casing and LED lampshade are installed.
A kind of LED lamp heat-dissipating casing is identical in its structure and embodiment 4.This LED lamp heat-dissipating casing adopts heat conduction polyamide compoiste material to make.Described heat conduction polyamide compoiste material is made up of the component that comprises following weight portion: 30 parts of PA6 resins, molten finger for 50g/10min; 15 parts, heat conduction aluminium oxide, 25 parts, heat conduction carborundum, 20 parts of heat conduction aluminium nitride; Antioxidant N, N '-bis--0.1 part of (3-(3,5-di-tert-butyl-hydroxy phenyl) propiono) hexamethylene diamine, antioxidant 4,0.1 part of 4 '-[1,1 '-xenyl] subunit di 2 ethylhexyl phosphonic acid-tetra-[2,4-, bis-2-methyl-2-phenylpropane bases] ester; Silane coupling agent is 0.6 part of γ-glycidyl ether oxygen propyl trimethoxy silicane, 0.6 part of white oil, 0.8 part of lubricant N, N '-ethylene bis stearamide.
After adding high mixer to mix above-mentioned component, add extruder, melt extrude, pelletizing obtains heat conduction polyamide compoiste material particle, then heat conduction polyamide compoiste material particle is joined in injection machine, injection mo(u)lding obtains LED lamp heat-dissipating casing.
Embodiment 6
A kind of LED lamp heat-dissipating casing is identical in its structure and embodiment 2.This LED lamp heat-dissipating casing adopts heat conduction polyamide compoiste material to make.Described heat conduction polyamide compoiste material is made up of the component that comprises following weight portion: 35 parts of PA6 resins, molten finger for 100g/10min; 40 parts, heat conduction aluminium oxide, 23 parts, heat conduction carborundum, 9 parts of conductive graphites; Antioxidant N, N '-bis--0.1 part of (3-(3,5-di-tert-butyl-hydroxy phenyl) propiono) hexamethylene diamine, antioxidant 4,0.2 part of 4 '-[1,1 '-xenyl] subunit di 2 ethylhexyl phosphonic acid-tetra-[2,4-, bis-2-methyl-2-phenylpropane bases] ester; Coupling agent is 0.7 part of isopropyl three stearic acid titanate esters, 0.7 part of white oil, 1.0 parts of lubricant N, N '-ethylene bis stearamide.
After adding high mixer to mix above-mentioned component, add extruder, melt extrude, pelletizing obtains heat conduction polyamide compoiste material particle, then heat conduction polyamide compoiste material particle is joined in injection machine, injection mo(u)lding obtains LED lamp heat-dissipating casing.
Embodiment 7
A kind of LED lamp heat-dissipating casing, comprises housing main body, and described housing main body inside upper part is provided with the light fixture attaching parts of mounted LED lamp, inside and outside described housing main body, is provided with thermal component.Described housing main body is hollow circular cylinder, and its external diameter is 100mm, and wall thickness is 6mm, is highly 50mm; Described light fixture attaching parts are the internal thread that is arranged on housing main body inside upper part, and the size of this internal thread and LED lamp match; Have fin in housing main body outer setting, fin is arranged along described housing main body even circumferential, and fin number is 30; Described fin be shaped as fish scale shape, fin thickness is 2mm, adjacent fin tangential angle becomes 1 °; Top, the outside bottom surface of described housing main body is provided with a circle reinforcement along housing main body circumference, this reinforcement and fin interconnection; Between adjacent two fin, be provided with circular arc radiating ribs along the normal direction of housing main body axis, described circular arc radiating ribs thickness is 2mm, is highly 20mm; Outside described housing main body bottom surface, be arranged with the circular gradient wall of a circle, this circle gradient wall becomes 120 ° with housing main body axis, and the height of described circular gradient wall is 60mm.Described housing main body lower inside periphery is provided with the draw-in groove for fixed L ED lamp heat-dissipating casing and LED lampshade are installed.
The product obtaining in embodiment 1 ~ 3 is carried out to performance test, and test result is as table 1:
Table 1
As can be seen from Table 1, the thermal conductivity of the LED lamp heat-dissipating casing material of the embodiment of the present invention 1 ~ 3 is 1.1 ~ 2.7 W/m.k, be greater than the thermal conductivity of common plastic material, the present invention is by the setting of various thermal components, realize that heat-dissipating space is large, the obvious effect of radiating effect, thus the service life of having improved LED lamp.
The disclosed preferred embodiment of the present invention is just for helping to set forth the present invention above.Preferred embodiment does not have all details of detailed descriptionthe, and also not limiting this invention is only the described specific embodiment.Obviously,, according to the content of this description, can make many modifications and variations.These embodiment are chosen and specifically described to this description, is in order to explain better principle of the present invention and practical application, thereby under making, technical field technical staff can understand and utilize the present invention well.The present invention is only subject to the restriction of claims and four corner and equivalent.
Claims (10)
1. a LED lamp heat-dissipating casing, is characterized in that: described LED lamp heat-dissipating casing comprises housing main body, and described housing main body inside upper part is provided with the light fixture attaching parts of mounted LED lamp, and described housing main body inside and/or outside are provided with thermal component.
2. LED lamp heat-dissipating casing according to claim 1, is characterized in that: described housing main body is hollow circular cylinder, its external diameter is 10 ~ 500mm, and wall thickness is 1 ~ 10mm, is highly 10 ~ 500mm;
Described light fixture attaching parts are the internal thread that is arranged on housing main body inside upper part, and the size of this internal thread and LED lamp match;
Described thermal component comprise be arranged on housing main body inside cylinder step, be arranged on housing main body inner bottom circular ring plate, be arranged on housing main body outside fin, be arranged on the reinforcement of housing main body outside and be arranged on a kind of or its combination in the radiating ribs of housing main body outside.
3. LED lamp heat-dissipating casing according to claim 2, is characterized in that: described cylinder step is arranged on the below of described internal thread, and the external diameter of this cylinder step is identical with the internal diameter of housing main body, and wall thickness is 1 ~ 10mm, is highly 5 ~ 500mm.
4. LED lamp heat-dissipating casing according to claim 2, is characterized in that: the thickness of described circular ring plate is 1 ~ 10mm, internal diameter is 1 ~ 100mm.
5. LED lamp heat-dissipating casing according to claim 2, is characterized in that: described fin is arranged along described housing main body even circumferential, and fin number is 2 ~ 100;
Described fin be shaped as fish scale shape, triangle or S shape, fin thickness is 0.8 ~ 10mm, adjacent fin tangential angle becomes 1 ° ~ 180 °.
6. according to the LED lamp heat-dissipating casing described in claim 2 or 5, it is characterized in that: described reinforcement arranges a circle along housing main body circumference this reinforcement and fin interconnection;
Described radiating ribs is circular arc, is arranged between adjacent two fin along the normal direction of housing main body axis, and described circular arc radiating ribs thickness is 0.8 ~ 10mm, is highly 1 ~ 100mm.
7. LED lamp heat-dissipating casing according to claim 1, is characterized in that: described housing main body is arranged with the circular gradient wall of a circle outward, this circle gradient wall and housing main body axis be in 90 ° ~ and 180 °, the height of described circular gradient wall is 1 ~ 100mm;
Described housing main body lower inside periphery is provided with the draw-in groove for fixed L ED lamp heat-dissipating casing and LED lampshade are installed.
8. according to arbitrary described LED lamp heat-dissipating casing in claim 1 ~ 7, it is characterized in that: described LED lamp heat-dissipating casing is made up of heat conduction polyamide compoiste material, and described heat conduction polyamide compoiste material is made up of the component that comprises following weight portion:
20 ~ 40 parts of PA resins,
58.2 ~ 77.4 parts of heat fillings,
0.2 ~ 0.3 part, antioxidant,
0.5 ~ 0.7 part of coupling agent,
0.5 ~ 0.7 part of liquid adjuvants,
0.5 ~ 1.0 part of lubricant.
9. LED lamp heat-dissipating casing according to claim 8, is characterized in that:
The PA6 resin that described PA resin is extrusion grade, wherein the melt index of PA6 resin is 50 ~ 100g/10min;
Described heat filling is selected from one or more in heat conduction carborundum, heat conduction aluminium oxide, conductive graphite, heat conduction boron nitride or heat conduction aluminium nitride;
Described coupling agent is selected from one or more in titante coupling agent or silane coupling agent;
Described antioxidant is the compound of Hinered phenols primary antioxidant and phosphorous acid esters auxiliary antioxidant, and Hinered phenols primary antioxidant is 1:1 ~ 2 with the ratio of the weight portion of phosphorous acid esters auxiliary antioxidant;
Described liquid adjuvants is white oil;
Described lubricant is selected from silicone or N, one or both in N '-ethylene bis stearamide.
10. LED lamp heat-dissipating casing according to claim 9, is characterized in that:
Described heat conduction aluminium oxide and/or heat conduction carborundum are 2 ~ 7:1 with the ratio of the weight portion of conductive graphite and/or heat conduction aluminium nitride and/or heat conduction boron nitride;
Described titante coupling agent is isopropyl three stearic acid titanate esters, and described silane coupling agent is γ-glycidyl ether oxygen propyl trimethoxy silicane;
Described Hinered phenols primary antioxidant is antioxidant N; N '-bis--(3-(3; 5-di-tert-butyl-hydroxy phenyl) propiono) hexamethylene diamine; described phosphorous acid esters auxiliary antioxidant is selected from antioxidant three ［ 2.4-di-tert-butyl-phenyl ］ phosphite ester or antioxidant 4; 4 '-[1; 1 '-xenyl] one in subunit di 2 ethylhexyl phosphonic acid-tetra-[2,4-, bis-2-methyl-2-phenylpropane bases] ester.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210467426.9A CN103822195A (en) | 2012-11-19 | 2012-11-19 | LED lamp radiating shell |
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| CN104595777A (en) * | 2015-02-11 | 2015-05-06 | 宁波澎湃电子科技有限公司 | Lamp |
| CN105778479A (en) * | 2016-04-12 | 2016-07-20 | 苏州甫众塑胶有限公司 | Lamp shell plastic material and preparation method thereof |
| CN105864681A (en) * | 2015-01-22 | 2016-08-17 | 全亿大科技（佛山）有限公司 | Led illuminating device |
| CN105924961A (en) * | 2016-06-30 | 2016-09-07 | 广州大学 | Composite filling material with high thermal conductivity and plasticity |
| CN105987365A (en) * | 2014-09-30 | 2016-10-05 | 光和科股份有限公司 | Heat-sink for high bay LED device, the high bay LED device and methods of use thereof |
| CN107606982A (en) * | 2017-08-02 | 2018-01-19 | 三峡大学 | A kind of heat radiator and its integral forming method |
| CN109595536A (en) * | 2018-11-22 | 2019-04-09 | 深圳市海洋王照明工程有限公司 | Large-power lamp radiator and lamps and lanterns |
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| CN109595536A (en) * | 2018-11-22 | 2019-04-09 | 深圳市海洋王照明工程有限公司 | Large-power lamp radiator and lamps and lanterns |
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