CN202253500U - Vortex type heat dissipation device - Google Patents
Vortex type heat dissipation device Download PDFInfo
- Publication number
- CN202253500U CN202253500U CN2011203441898U CN201120344189U CN202253500U CN 202253500 U CN202253500 U CN 202253500U CN 2011203441898 U CN2011203441898 U CN 2011203441898U CN 201120344189 U CN201120344189 U CN 201120344189U CN 202253500 U CN202253500 U CN 202253500U
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- type heat
- eddy current
- lamp socket
- lampshade
- current type
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- Non-Portable Lighting Devices Or Systems Thereof (AREA)
Abstract
The utility model discloses a heat dissipation device, in particular relates to a vortex type heat dissipation device. The vortex type heat dissipation device comprises a lamp holder (6), wherein a heat dissipation tube (6-3) is arranged at the lower end of the lamp holder (6); and spiral heat dissipation panels (6-2) are arranged on the outer wall of the heat dissipation tube (6-3). For the vortex type heat dissipation device, the superficial area is enlarged, the thermal resistance is reduced, the overall shape contributes to natural convection, the heat dissipation effect is better, the service life of a light emitting diode (LED) lamp is prolonged, and the light emitting efficiency is stable.
Description
Technical field
The utility model relates to a kind of heat abstractor, particularly a kind of LED heat sink for lamp.
Background technology
Power type LED lamp will really get into lighting field, realizes family's normal lighting, and its problem that will solve also has a lot, and wherein most important is luminous efficiency and life-span.
For the light emitting diode of forming by PN junction, when forward current when PN junction flows through, PN junction has the heating loss; These heat parts are via adhesive glue, Embedding Material etc.; Be radiated in the air, another part conducts through PN junction connection line and base plate base material, and each part material all has the thermal impedance that stops hot-fluid in this process; Thermal resistance just, thermal resistance are by size of devices, structure and fixed value that material determined.Exist thermal resistance to cause LED self temperature constantly to rise just, and show that according to the temperature characterisitic of LED brightness output and the temperature of LED are inversely proportional to, temperature not only influences the brightness of LED, also influences its life-span.
For the power-type LED of having finalized the design, in use, confirmed supply voltage, then the dissipated power of LED is exactly a determined value, is exactly a major issue around its external auxiliary heat radiation.Existing power-type LED heat abstractor adopts the free convection mode usually, and existing heat abstractor uses two parts radiator to combine, and prior art comprises the LED lamp socket; Radiator; Said radiator is arranged on the LED lamp socket, and said radiator has a base plate, and base plate is provided with the radiator pillar; Radiator pillar periphery is around in the form of sheets and vertical equally distributed fin, and radiator and LED lamp socket are through being threaded.
The subject matter of prior art is that the contact area of this two parts radiator of LED lamp socket radiator is little, thermal resistance is big; Fin shape is unfavorable for free convection; And there is not air-vent; Cause internal heat to be difficult for flowing out, radiating effect is poor, is having a strong impact on the life-span of LED lamp and the stability of luminous efficiency.
The utility model content
The goal of the invention of the utility model is: the contact area that has power-type LED heat abstractor two parts radiator now is little, thermal resistance big in order to solve, global shape is unfavorable for free convection, the problem of radiating effect difference, the utility model
A kind of increase cooling surface area is provided, effectively reduce thermal resistance, the eddy current type heat abstractor of perfect heat-dissipating.
To achieve these goals, the technical scheme of the utility model employing is:
A kind of eddy current type heat abstractor comprises lamp socket, and said lamp socket lower end is provided with radiating tube, and the outer wall of radiating tube is provided with spiral helicine heat sink.
As preferred version, said heat sink sheet material outer thickness is 0.5～5mm.
As preferred version, between the adjacent spirality sheet material of said heat sink spacing be 2.8～6mm.
As preferred version, the longitudinal length that said heat sink is coiled on the radiating tube is 70～800mm.
As preferred version, said heat sink outer diameter is 70～800mm.
As preferred version, said radiating tube outer diameter is 22～60mm.
As preferred version, said radiating tube wall thickness is 2～10mm.
As preferred version, for being threaded, be that casting processing is shaped between radiating tube and the heat sink between said lamp socket and the radiating tube.
As preferred version, said lamp socket is provided with a plurality of through holes.
As preferred version, the said lamp socket of said lamp socket adopts concave inward structure.
As preferred version, the said lamp socket chassis and the outside, upper surface thereof are provided with upwardly extending chassis side wall.
As preferred version, said lamp socket chassis is provided with substrate, and equal correspondence is provided with a plurality of through holes on lamp socket chassis and the substrate.
As preferred version, said through hole number is 7.
As preferred version, said lamp socket top is provided with lamp plate and lampshade; The outside, said lampshade lower surface is provided with downward lampshade outer ring, and the lampshade upper surface is provided with the lampshade inner ring that extends internally; The vertical direction of the chassis side wall on said lamp socket chassis is provided with the outer ring through hole of a plurality of lamp sockets, and correspondence is provided with lampshade through hole and lamp plate through hole along placing respectively outward with said lamp plate on the said lampshade inner ring on the vertical direction of the outer ring through hole of said each lamp socket.
As preferred version, said lamp socket outer ring number of openings is 36.
As preferred version, the lampshade inner ring upper surface of said lampshade is provided with some lampshade grooves, is provided with some lampshade through holes in each lampshade groove.
As preferred version, said lampshade, top board, lamp bowl, lamp socket and mounting shell are aluminium.
As preferred version, the face that is in contact with one another between said lampshade, top board, substrate and the lamp socket scribbles heat-conducting silicone grease.
In sum; Owing to adopted technique scheme, compared with prior art the beneficial effect of the utility model is that the surface area of heat abstractor increases, thermal resistance reduces, global shape helps free convection, and radiating effect is better; Increase the life-span of LED lamp, stabilized illumination efficient.
Description of drawings
The utility model will explain through example and with reference to the mode of accompanying drawing, wherein:
Fig. 1 is the schematic cross section decomposition chart of the utility model eddy current type heat abstractor.
Fig. 2 is the schematic cross section structure chart of the utility model eddy current type heat abstractor.
Fig. 3 is the schematic three-dimensional structure diagram of the utility model eddy current type heat abstractor.
Mark among the figure: 1-lampshade, 2-top board, 3-lamp bowl, 4-LED, 5-substrate, 6-lamp socket, 1-1-lampshade through hole, 1-2-lampshade groove, 1-3-lampshade inner ring, 2-1-lamp plate through hole, 2-2-lamp plate lamp bowl through hole, 5-1-substrate through-hole, 6-1-lamp socket chassis, 6-2-heat sink, 6-3-radiating tube, 6-4-lamp holder base plate through hole, the outer ring through hole of 6-5-lamp socket.
The specific embodiment
As shown in Figure 2, a kind of eddy current type heat abstractor of present embodiment comprises lampshade 1, lamp plate 2, lamp bowl 3, LED4, substrate 5, lamp socket 6.
Embodiment to the utility model describes in further detail below in conjunction with accompanying drawing.
Like Fig. 1, Fig. 2 and shown in Figure 3, a kind of eddy current type heat abstractor of present embodiment comprises lamp socket 6; Said lamp socket 6 lower ends are provided with radiating tube 6-3; The outer wall of radiating tube 6-3 is provided with spiral helicine heat sink 6-2, and said heat sink 6-2 sheet material outer thickness is 0.5～5mm, between the adjacent spirality sheet material of said heat sink 6-2 spacing be 2.8～6mm; The longitudinal length that said heat sink 6-2 is coiled on the radiating tube 6-3 is 70～800mm; Said heat sink 6-2 outer diameter is 70～800mm, and said radiating tube 6-3 outer diameter is 22～60mm, and said radiating tube 6-3 wall thickness is 2～10mm.
According to the inertia and the deflecting force of the earth, heat abstractor can be made dextrorotation or left-handed structure, the flowability of utilizing terrestrial gravitation that air is produced; Make heat abstractor under the free convection situation; Make air-flow direction consistent, accelerate flowing velocity, simultaneously the surface area of heat sink 6-2 and lampshade 1 and also bigger with the spiral helicine heat sink 6-2 of the utility model eddy current type heat abstractor; Thereby reduce thermal resistance, increase radiating effect.
Like Fig. 1, Fig. 2 and shown in Figure 3, a kind of eddy current type heat abstractor of present embodiment, other structures are with embodiment 1; Be that with the difference of embodiment 1 said lamp socket 6 is provided with a plurality of through holes, said lamp socket 6 adopts concave inward structure; The said lamp socket chassis 6-1 and the outside, upper surface thereof are provided with upwardly extending chassis side wall; Said lamp socket chassis 6-1 is provided with substrate 5, and equal correspondence is provided with a plurality of through holes on lamp socket chassis 6-1 and the substrate 5, and said through hole number is 7; Said lamp socket 6 tops are provided with lamp plate 2 and lampshade 1; The outside, said lampshade 1 lower surface is provided with downward lampshade outer ring, and lampshade 1 upper surface is provided with the lampshade inner ring that extends internally; The vertical direction of the chassis side wall of said lamp socket chassis 6-1 is provided with the outer ring through hole 6-5 of a plurality of lamp sockets; Along placing respectively with said lamp plate 2 is outer that correspondence is provided with lampshade through hole 1-1 and lamp plate through hole 2-2 on the said lampshade inner ring on the vertical direction of the outer ring through hole 6-5 of said each lamp socket, ring through hole 6-5 quantity is 36 outside the said lamp socket.
The embodiment of the utility model; Make lamp socket, lampshade and top board through hole integral body penetrate, the quantity of the outer ring through hole 6-5 of lamp socket, lampshade through hole 1-1, lamp plate through hole 2-1 and center, hole are corresponding one by one, in the time of can making the LED lamp be installed on the ceiling; Increase gas permeability; Also utilize simultaneously the heat that LED produces in the cavity on 6-1 top, lamp socket chassis to be by convection into the radiator outside, and be beneficial to lead line, can also increase contact area through substrate through-hole 5-1, lamp holder base plate through hole 6-4; Thereby thermal resistance is reduced, increase radiating effect.
Like Fig. 1, Fig. 2 and shown in Figure 3; A kind of eddy current type heat abstractor of present embodiment; Other structures are with embodiment 1, are that with the difference of embodiment 1 said substrate 5 is the aluminum base PCB circuit board; LED4 is an adopting surface mounted LED, and LED4 bottom cooling base directly is welded on and makes on the substrate 5 that the thermal resistance of the two significantly reduces; Between said lamp socket 6 and the radiating tube 6-3 for being threaded; Be shaped for casting processing between radiating tube 6-3 and the heat sink 6-2; The lampshade inner ring upper surface of said lampshade 1 is provided with some lampshade groove 1-2; Be provided with some lampshade through hole 1-1 in each lampshade groove 1-2, said lampshade, top board, lamp bowl, lamp socket and mounting shell are aluminium, and the face that is in contact with one another between said lampshade, top board, substrate and the lamp socket scribbles heat-conducting silicone grease.
Owing to adopted said method, make that the mode of being connected and installed between each radiator parts improves, reduce thermal resistance, increase radiating effect.
A kind of eddy current type heat abstractor of the utility model; Both let area increase, the way of contact of heat abstractor improve, thermal resistance reduces, and makes the spiral grooves structure of heat abstractor help free convection again; But also on heat abstractor, increased opening; Thereby make radiating effect better, the life-span of LED lamp increases, and luminous efficiency is stable.
Disclosed arbitrary characteristic in this specification (comprising any accessory claim, summary and accompanying drawing) is only if special narration all can be replaced by other equivalences or the alternative features with similar purpose.That is, only if special narration, each characteristic is an example in a series of equivalences or the similar characteristics.
The above is merely the preferred embodiment of the utility model; Not in order to restriction the utility model; Any modification of being done within all spirit and principles at the utility model, be equal to replacement and improvement etc., all should be included within the protection domain of the utility model.
Claims (16)
1. an eddy current type heat abstractor comprises lamp socket (6), it is characterized in that, said lamp socket (6) lower end is provided with radiating tube (6-3), and the outer wall of radiating tube (6-3) is provided with spiral helicine heat sink (6-2).
2. a kind of eddy current type heat abstractor as claimed in claim 1 is characterized in that, said heat sink (6-2) sheet material outer thickness is 0.5～5mm.
3. a kind of eddy current type heat abstractor as claimed in claim 2 is characterized in that, between the adjacent spirality sheet material of said heat sink (6-2) spacing be 2.8～6mm.
4. a kind of eddy current type heat abstractor as claimed in claim 3 is characterized in that, the longitudinal length that said heat sink (6-2) is coiled on the radiating tube (6-3) is 70～800mm.
5. a kind of eddy current type heat abstractor as claimed in claim 4 is characterized in that, said heat sink (6-2) outer diameter is 70～800mm.
6. a kind of eddy current type heat abstractor as claimed in claim 5 is characterized in that, said radiating tube (6-3) outer diameter is 22～60mm.
7. a kind of eddy current type heat abstractor as claimed in claim 6 is characterized in that, said radiating tube (6-3) wall thickness is 2～10mm.
8. a kind of eddy current type heat abstractor as claimed in claim 7 is characterized in that, for being threaded, is that casting processing is shaped between radiating tube (6-3) and the heat sink (6-2) between said lamp socket (6) and the radiating tube (6-3).
9. a kind of eddy current type heat abstractor as claimed in claim 1 is characterized in that said lamp socket (6) is provided with a plurality of through holes.
10. a kind of eddy current type heat abstractor as claimed in claim 9 is characterized in that, the said lamp socket of said lamp socket (6) (6) adopts concave inward structure.
11. a kind of eddy current type heat abstractor as claimed in claim 10 is characterized in that, the said lamp socket chassis (6-1) and the outside, upper surface thereof are provided with upwardly extending chassis side wall.
12. a kind of eddy current type heat abstractor as claimed in claim 11 is characterized in that said lamp socket chassis (6-1) is provided with substrate (5), lamp socket chassis (6-1) and substrate (5) are gone up equal correspondence and are provided with a plurality of through holes.
13. a kind of eddy current type heat abstractor as claimed in claim 12 is characterized in that said through hole number is 7.
14. a kind of eddy current type heat abstractor as claimed in claim 13 is characterized in that, said lamp socket (6) top is provided with lamp plate (2) and lampshade (1);
The outside, said lampshade (1) lower surface is provided with downward lampshade outer ring, and lampshade (1) upper surface is provided with the lampshade inner ring that extends internally;
The vertical direction of the chassis side wall on said lamp socket chassis (6-1) is provided with the outer ring through hole (6-5) of a plurality of lamp sockets, along placing respectively with said lamp plate (2) is outer that correspondence is provided with lampshade through hole (1-1) and lamp plate through hole (2-2) on the said lampshade inner ring on the vertical direction of the outer ring through hole (6-5) of said each lamp socket.
15. a kind of eddy current type heat abstractor as claimed in claim 1 is characterized in that, outer ring through hole (6-5) quantity of said lamp socket is 36.
16. like claim 1,8,11,13 or 14 described a kind of eddy current type heat abstractors; It is characterized in that; The lampshade inner ring upper surface of said lampshade (1) is provided with some lampshade grooves (1-2), is provided with some lampshade through holes (1-1) in each lampshade groove (1-2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203441898U CN202253500U (en) | 2011-09-14 | 2011-09-14 | Vortex type heat dissipation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203441898U CN202253500U (en) | 2011-09-14 | 2011-09-14 | Vortex type heat dissipation device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202253500U true CN202253500U (en) | 2012-05-30 |
Family
ID=46114738
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011203441898U Expired - Fee Related CN202253500U (en) | 2011-09-14 | 2011-09-14 | Vortex type heat dissipation device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202253500U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104214614A (en) * | 2014-08-08 | 2014-12-17 | 贵州省冠远照明科技有限责任公司 | Ultrathin ceiling lamp |
-
2011
- 2011-09-14 CN CN2011203441898U patent/CN202253500U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104214614A (en) * | 2014-08-08 | 2014-12-17 | 贵州省冠远照明科技有限责任公司 | Ultrathin ceiling lamp |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120530 Termination date: 20200914 |