CN201983240U - Heat radiating device and light emitting diode (LED) lamp using same - Google Patents
Heat radiating device and light emitting diode (LED) lamp using same Download PDFInfo
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- CN201983240U CN201983240U CN2011201177693U CN201120117769U CN201983240U CN 201983240 U CN201983240 U CN 201983240U CN 2011201177693 U CN2011201177693 U CN 2011201177693U CN 201120117769 U CN201120117769 U CN 201120117769U CN 201983240 U CN201983240 U CN 201983240U
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- heat abstractor
- radiating fin
- aluminum
- fin
- aluminium base
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Abstract
The utility model discloses a heat radiating device and a light emitting diode (LED) lamp using the same, which belongs to the technical field of the illumination of light emitting diodes. The heat radiating device comprises an aluminum basal plate and radiating fins made of aluminum, wherein the radiating fins made of the aluminum are fixed on the aluminum substrate; and the radiating fins made of the aluminum comprise a plurality of radiating fins, wherein the surfaces of the heat radiating fins are provided with nickel plating layers, tin layers are arranged between the radiating fins and the aluminum basal plate, and the radiating fins and the aluminum basal plate are welded together by the tin layers. In the utility model, the radiating fins can be arranged into shapes suitable for air convection according to the requirement of a lamp, so that heat radiating faces are more, and the radiation of heat is quicker; the radiating fins plated with nickel and the aluminum basal plate are welded together by the tin layers, the welding of the aluminum basal plate and the radiating fins made of the aluminum is tighter, and the problem that the radiating fins made of aluminum in a traditional process can not be welded is solved; the heat radiating device has a simple structure, stronger heat conductivity and a better heat radiating effect; and the radiating fins are externally provided with the nickel plating layers, which also acts as the functions of preventing corrosion and preventing oxidation.
Description
Technical field
The utility model relates to the led lighting technical field, is specifically related to a kind of heat abstractor and uses the LED lamp of this heat abstractor.
Background technology
LED(Light-emitting diode) as a kind of energy-conservation, light source is widely used in various fields efficiently, yet LED is one of key factor that influences LED service life from the heat that the time is produced in work, in order to prolong the service life of LED lamp, the LED lamp is provided with heat abstractor, and the heat dispersion of heat abstractor is the focus of people's common concern.
The aluminium fin has obtained using widely because radiating effect is better, and processing mode is simple, and is with low cost.Existing radiator generally all adopts and draws aluminium to be cut into certain distance and make, and when cross-ventilated the time, the heat radiation of this structure can only be carried out at above-below direction; Also having some popular radiators is that a plurality of radiating fins are pasted on the aluminium base by soft silica gel heat conductive insulating pad, though this mode can be provided with the shape of fin as required, the heat-transfer effect of soft silica gel heat conductive insulating pad is general; Reach preferably that heat-transfer effect can be welded in radiating fin on the aluminium base, but because the characteristic of material itself, the aluminum radiating fin is difficult to be welded on the aluminium base.
Summary of the invention
In order to address the above problem, the utility model provides a kind of simple in structure, radiating effect heat abstractor and use the LED lamp of this heat abstractor preferably.
A kind of heat abstractor comprises aluminium base and the aluminum thermal fin that is fixed in aluminium base; Described aluminum thermal fin comprises a plurality of radiating fins, and described radiating fin surface is provided with nickel coating, is provided with the tin layer between described radiating fin and the aluminium base, and described radiating fin and aluminium base weld together by the tin layer.
Wherein, the thickness of described nickel coating is 10 microns-20 microns.
Wherein, described radiating fin is the flabellum shape aluminium flake of band radian.
Wherein, described radiating fin is arranged in ring-type along outside stretching, extension of the central shaft of aluminium base.
Wherein, described aluminum thermal fin comprises the radiating fin of inside and outside two-layer ring-type.
A kind of LED lamp that uses heat abstractor comprises lampshade, base and lamp holder, and described lampshade is connected with base one end, and lamp holder is installed on the base other end; Heat abstractor and power supply pcb board are installed between described lampshade and the base successively; Described heat abstractor comprises aluminium base and the aluminum thermal fin that is fixed on the aluminium base, described aluminum thermal fin comprises a plurality of radiating fins, described radiating fin is provided with nickel coating outward, be provided with the tin layer between described radiating fin and the aluminium base, described radiating fin and aluminium base weld together by the tin layer.
Wherein, the thickness of described nickel coating is 10 microns-20 microns.
Wherein, described radiating fin is the flabellum shape aluminium flake of band radian.
Wherein, described radiating fin is arranged in ring-type along outside stretching, extension of the central shaft of aluminium base.
Wherein, described aluminum thermal fin comprises the radiating fin of inside and outside two-layer ring-type.
The beneficial effects of the utility model are: a kind of heat abstractor comprises aluminium base and the aluminum thermal fin that is fixed in aluminium base; Described aluminum thermal fin comprises a plurality of radiating fins, and described radiating fin surface is provided with nickel coating, is provided with the tin layer between described radiating fin and the aluminium base, and described radiating fin and aluminium base weld together by the tin layer.
A kind of LED lamp that uses heat abstractor comprises lampshade, base and lamp holder, and described lampshade is connected with base one end, and lamp holder is installed on the base other end; Heat abstractor and power supply pcb board are installed between described lampshade and the base successively; Described heat abstractor comprises aluminium base and the aluminum thermal fin that is fixed on the aluminium base, described aluminum thermal fin comprises a plurality of radiating fins, described radiating fin is provided with nickel coating outward, be provided with the tin layer between described radiating fin and the aluminium base, described radiating fin and aluminium base weld together by the tin layer.
Aluminum thermal fin in the heat abstractor of the present utility model comprises a plurality of radiating fins, and radiating fin can be arranged to be fit to cross-ventilated shape according to the needs of light fixture, makes radiating surface more, and it is faster to dispel the heat; The radiating fin of nickel plating and aluminium base weld together by the tin layer, and the welding of aluminium base and aluminum thermal fin is tightr, have solved the difficult problem that aluminum thermal fin can't weld in the traditional handicraft, and this construction for heat radiating device is simple, and thermal conductivity is stronger, and radiating effect is better; Radiating fin is provided with nickel coating outward and has also played anticorrosion, anti-oxidation effect.
Description of drawings
Fig. 1 is the decomposition texture schematic diagram of heat abstractor of the present utility model.
Fig. 2 is the decomposition texture schematic diagram of the LED lamp of use heat abstractor of the present utility model.
Fig. 3 is the axial section view of Fig. 2.
Description of reference numerals is as follows:
1-lampshade; 2-aluminium base;
3-aluminum thermal fin; 31-radiating fin;
4-contour screw; 5-power supply pcb board;
6-base; 7-lamp holder.
The specific embodiment
For the purpose, technical scheme and the advantage that make utility model is clearer,, the utility model is further elaborated below in conjunction with drawings and Examples.
Referring to Fig. 1 to Fig. 3, a kind of heat abstractor comprises aluminium base 2 and the aluminum thermal fin 3 that is fixed in aluminium base 2; Described aluminum thermal fin 3 comprises a plurality of radiating fins 31, and described radiating fin 31 surfaces are provided with nickel coating, are provided with the tin layer between described radiating fin 31 and the aluminium base 2, and described radiating fin 31 welds together by the tin layer with aluminium base 2.
Wherein, the thickness of described nickel coating is 10 microns-20 microns, and optimum thickness is 15 microns.The thickness of nickel coating is moderate, can satisfy welding effect preferably, has saved cost again.
Wherein, described radiating fin 31 is the flabellum shape aluminium flake of band radian, and radiating fin 31 is arranged in ring-type along outside stretching, extension of the central shaft of aluminium base 2.Aluminum thermal fin 3 is designed to ring-type, has both increased area of dissipation, guaranteed flowing of outside air again, thereby increased the radiating effect of aluminum thermal fin 3.
Further, described aluminum thermal fin 3 comprises the radiating fin 31 of inside and outside two-layer ring-type.Inside and outside two-layer design has increased the quantity of radiating fin 31, has also strengthened the area of dissipation of aluminum thermal fin 3 simultaneously, and heat dispersion further is optimized.
Aluminum thermal fin 3 in the heat abstractor comprises a plurality of radiating fins 31, and radiating fin 31 can be arranged to be fit to cross-ventilated shape according to the needs of light fixture, makes radiating surface more, and it is faster to dispel the heat; The radiating fin 31 and the aluminium base 2 of nickel plating weld together by the tin layer, the welding of aluminium base 2 and aluminum thermal fin 3 is tightr, has solved the difficult problem that aluminum thermal fin 3 can't weld in the traditional handicraft, and this construction for heat radiating device is simple, thermal conductivity is stronger, and radiating effect is better; Be provided with nickel coating outside the radiating fin 31 and also played anticorrosion, anti-oxidation effect.
A kind of LED lamp that uses heat abstractor comprises lampshade 1, base 6 and lamp holder 7, and described lampshade 1 is connected with base 6 one ends, and lamp holder 7 is installed on base 6 other ends; Heat abstractor and power supply pcb board 5 are installed between described lampshade 1 and the base 6 successively; Described heat abstractor comprises aluminium base 2 and the aluminum thermal fin 3 that is fixed on the aluminium base 2, described aluminum thermal fin 3 comprises a plurality of radiating fins 31, the described radiating fin 31 outer nickel coatings that are provided with, be provided with the tin layer between described radiating fin 31 and the aluminium base 2, described radiating fin 31 welds together by the tin layer with aluminium base 2.
Wherein, the thickness of described nickel coating is 10 microns-20 microns.
Wherein, described radiating fin 31 is the flabellum shape aluminium flake of band radian.
Wherein, described radiating fin 31 is arranged in ring-type along outside stretching, extension of the central shaft of aluminium base 2.
Wherein, described aluminum thermal fin 3 comprises the radiating fin 31 of inside and outside two-layer ring-type.
The assembling mode of the LED lamp of use heat abstractor of the present utility model:
1, earlier is coated with one deck tin, utilizes the mode of welding that tin is melted, aluminum thermal fin 3 and aluminium base 2 are bonded together between the aluminum thermal fin 3 of nickel plating and the aluminium base 2;
2, power supply pcb board 5 is fixed on the base 6 by primary screw;
3, connect by contour screw 4 between radiator structure and the base 6, the base 6 that power supply pcb board 5 is housed is connected with heat abstractor by contour screw 4, power supply pcb board 5 and aluminium base 2 lay respectively at aluminum thermal fin 3 two ends;
4, lampshade 1 is fixed on the aluminium base 2;
5, at last lamp holder 7 is installed on the base 6.
Above content only is preferred embodiment of the present utility model, for those of ordinary skill in the art, according to thought of the present utility model, the part that all can change in specific embodiments and applications, this description should not be construed as restriction of the present utility model.
Claims (10)
1. a heat abstractor comprises aluminium base and the aluminum thermal fin that is fixed in aluminium base; It is characterized in that: described aluminum thermal fin comprises a plurality of radiating fins, and described radiating fin surface is provided with nickel coating, is provided with the tin layer between described radiating fin and the aluminium base, and described radiating fin and aluminium base weld together by the tin layer.
2. a kind of heat abstractor according to claim 1 is characterized in that: the thickness of described nickel coating is 10 microns-20 microns.
3. a kind of heat abstractor according to claim 2 is characterized in that: described radiating fin is the flabellum shape aluminium flake of band radian.
4. a kind of heat abstractor according to claim 3 is characterized in that: described radiating fin is arranged in ring-type along outside stretching, extension of the central shaft of aluminium base.
5. a kind of heat abstractor according to claim 4 is characterized in that: described aluminum thermal fin comprises the radiating fin of inside and outside two-layer ring-type.
6. a LED lamp that uses heat abstractor comprises lampshade, base and lamp holder, and described lampshade is connected with base one end, and lamp holder is installed on the base other end; Heat abstractor and power supply pcb board are installed between described lampshade and the base successively; It is characterized in that: described heat abstractor comprises aluminium base and the aluminum thermal fin that is fixed on the aluminium base, described aluminum thermal fin comprises a plurality of radiating fins, described radiating fin is provided with nickel coating outward, be provided with the tin layer between described radiating fin and the aluminium base, described radiating fin and aluminium base weld together by the tin layer.
7. a kind of LED lamp that uses heat abstractor according to claim 6 is characterized in that: the thickness of described nickel coating is 10 microns-20 microns.
8. a kind of LED lamp that uses heat abstractor according to claim 7 is characterized in that: described radiating fin is the flabellum shape aluminium flake of band radian.
9. a kind of LED lamp that uses heat abstractor according to claim 8 is characterized in that: described radiating fin is arranged in ring-type along outside stretching, extension of the central shaft of aluminium base.
10. a kind of LED lamp that uses heat abstractor according to claim 9, it is characterized in that: described aluminum thermal fin comprises the radiating fin of inside and outside two-layer ring-type.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201177693U CN201983240U (en) | 2011-04-20 | 2011-04-20 | Heat radiating device and light emitting diode (LED) lamp using same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201177693U CN201983240U (en) | 2011-04-20 | 2011-04-20 | Heat radiating device and light emitting diode (LED) lamp using same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201983240U true CN201983240U (en) | 2011-09-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011201177693U Expired - Fee Related CN201983240U (en) | 2011-04-20 | 2011-04-20 | Heat radiating device and light emitting diode (LED) lamp using same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201983240U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102141238A (en) * | 2011-04-20 | 2011-08-03 | 东莞宏灿光电制品有限公司 | Radiating device and LED (light emitting diode) lamp applying same |
-
2011
- 2011-04-20 CN CN2011201177693U patent/CN201983240U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102141238A (en) * | 2011-04-20 | 2011-08-03 | 东莞宏灿光电制品有限公司 | Radiating device and LED (light emitting diode) lamp applying same |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110921 Termination date: 20140420 |