CN201368348Y - High power led lighting lamp and heat dissipation structure thereof - Google Patents
High power led lighting lamp and heat dissipation structure thereof Download PDFInfo
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- CN201368348Y CN201368348Y CNU2009200039025U CN200920003902U CN201368348Y CN 201368348 Y CN201368348 Y CN 201368348Y CN U2009200039025 U CNU2009200039025 U CN U2009200039025U CN 200920003902 U CN200920003902 U CN 200920003902U CN 201368348 Y CN201368348 Y CN 201368348Y
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Abstract
The utility model provides a high power LED lighting lamp and a heat dissipation structure thereof. The high power LED lighting lamp comprises an LED base plate, a radiator and an air flow guide hood, wherein the LED base plate is provided with a plurality of LED chips; the radiator comprises a device body arranged on the LED base plate, and the top of the device body is provided with a plurality of first radiating fins which radiate from the center to the outside and are in radial array, and a second radiating fin is arranged between every two adjacent first radiating fins; the air flow guide hood is arranged on the radiator and is in a shape that the bottom is wider than the top, and the top of the air flow guide hood is provided with a plurality of convection air holes, so the air which is heated by the first radiating fins and the second radiating fins to have temperature difference can fast flow outward along with the air flow guide hood, and the cold air is forced to be sucked, thereby, the heat of the LED chips can be fast dissipated, and the high power luminous flux can be output.
Description
Technical field
The utility model is relevant a kind of LED lighting and radiator structure thereof, is meant a kind of high-capacity LED lighting and radiator structure thereof especially.
Background technology
Along with rapid economy development, the consumption of the energy increases rapidly, and the problem that supply of electric power is critical appears in many areas, and the measure that causes limiting power supply produces, so the commodity of low power consumption become an atomic urgent emphasis demand of the whole mankind.
On the lighting commodity, LED possesses lot of advantages because of the optical characteristics of self, the service life of overlength, extremely low power consumption for instance, with because of belonging to the advantages such as fire safety, noiselessness and ultraviolet radiation that cold light source had, in view of this, using the LED lighting to replace existing lighting, will be an irreversible trend.And the influence factor of LED lighting device output light flux is removed the quantum efficiency of led chip, chip size (light-emitting area), outside the input power etc., another key factor is exactly a heat-sinking capability, if the heat of LED encapsulating structure can't dissipate (Dissipation), various composition materials can be the differences of number and the doubt of reliabilitys such as gold thread fracture or the yellow of resin glue material is arranged because expand to each other in the LED encapsulating structure, the luminous efficiency of crystal grain more can have decline significantly along with the rising of temperature, and causes its life-span to shorten significantly and wavelength, phenomenon such as voltage (Vf) drift forward.
Therefore, the mode that solves the dissipation of LED encapsulating structure heat at present is the mode that sees through radiator collocation fan, forms hot channel.But take a broad view of present design, the quantity that is subjected to fin is many more, the comparatively faster conception of radiating effect, therefore the dull and stereotyped radiating fin of arranging shape of radiator presents quite intensive arrangement, but caused edge effect, causing the air in 3 millimeters of the spreader surface is to be attached to spreader surface, and then causes atmosphere draught-free, and radiating effect is bad.
In view of this, the utility model is satisfied the disappearance at above-mentioned known techniques, proposes a kind of high-capacity LED lighting and radiator structure thereof that radiator fan can have good radiating effect that do not need to be provided with, effectively to overcome these above-mentioned problems.
Summary of the invention
Main purpose of the present utility model is providing a kind of high-capacity LED lighting and radiator structure thereof, it utilizes the temperature difference of radiator body formed temperature difference and hot fin and air contact position when temperature rises, impel hot-air upwards to flow, the convergent curve of collocation air-flow guiding cover, heat of compression air, quickening hot-air outwards moves, form pressure differential, force cold air to suck naturally, need not can promote air by extra means and flow to reach, so that the heat of led chip because of luminous generation dissipated fast, reach high-power output light flux.
Another purpose of the present utility model is providing a kind of high-capacity LED lighting and radiator structure thereof, and it utilizes led chip to become the density shape to arrange, and comes the formation temperature gradient difference, makes temperature form the temperature difference automatically, flows to help air.
In order to achieve the above object, the utility model proposes a kind of high-capacity LED lighting, it includes: one is provided with the LED substrate of several led chips; One radiator, it includes a body that is arranged at LED substrate top, the end face of body be provided with several by the center to first radiating fin of external radiation radial arrangement and be arranged at one second radiating fin between two adjacent first radiating fins; And an air-flow guiding cover that covers on the radiator, its shape is that to adopt the bottom wide than the top, and the top is provided with several convection current pores.
Person more, the utility model still provides another kind of high-capacity LED lighting, and its difference compared to above-mentioned light fixture is that the arrangement of the radiating fin on radiator body top changes to several are arranged shape by flat board radiating fin.
The utility model more proposes a kind of radiator structure that is used in the high-capacity LED lighting, it includes a radiator, it includes a body with a bottom surface and an end face, the bottom surface is to combine with a LED substrate, end face is provided with several by first radiating fin of center to the external radiation radial arrangement, is provided with one second radiating fin between two adjacent these first radiating fins; And an air-flow guiding cover, it is to cover on the radiator, the shape of air-flow guiding cover is that to adopt the bottom wide than the top, and the top is provided with several convection current pores.
The utility model still provides the radiator structure of another kind of high-capacity LED lighting, and its difference compared to above-mentioned radiator structure is that the arrangement of the radiating fin on radiator body top changes to several are arranged shape by flat board radiating fin.
Now for making your juror further understanding and understanding more be arranged to architectural feature of the present utility model and the effect reached, sincerely help with preferred embodiment figure and cooperate detailed explanation, illustrate as afterwards:
Description of drawings
Fig. 1 is the stereogram of first kind of specific embodiment of high-capacity LED lighting of the present utility model.
Fig. 2 is the perspective view of first kind of specific embodiment of high-capacity LED lighting of the present utility model.
Fig. 3 is the assembly decomposing schematic representation of first kind of specific embodiment of high-capacity LED lighting of the present utility model.
Fig. 4 is the enforcement schematic diagram of first kind of specific embodiment of high-capacity LED lighting of the present utility model.
Fig. 5 is the schematic diagram that led chip is arranged in the density mode.
Fig. 6 is the assembly decomposing schematic representation of second kind of specific embodiment of high-capacity LED lighting of the present utility model.
Among the figure:
The 10LED lighting
The 12LED substrate
The 14LED chip
16 radiators
18 bodies
20 first radiating fins
22 second radiating fins
23 heat radiation gaps
24 air-flows guiding cover
26 pores
27 finedraws
28 locating shafts
30 radiators
32 radiating fins
The specific embodiment
The spiritual place of high-capacity LED lighting of the present utility model and radiator structure thereof is a temperature difference of utilizing the construction of radiator structure institute to go out, form and promote the power that air flows, radiator structure based on this principle, the integral LED lighting will not need the auxiliary of radiator fan to dispel the heat effectively, reach high-power output light flux.
See also Fig. 1～Fig. 3, it is respectively to be schematic perspective view, perspective view, the assembly decomposing schematic representation of first kind of specific embodiment of high-capacity LED lighting of the present utility model.As shown in the figure, this high-capacity LED lighting 10 includes a LED substrate 12, and it is provided with several led chips 14; One Aluminium Radiator 16, it includes a body 18 that is arranged on the LED substrate, the end face of body 18 is provided with several by first radiating fin 20 of center to the external radiation radial arrangement, two 20 adjacent of first radiating fins are provided with one second radiating fin, 22, the second radiating fins 22 and adjacent 20 of first radiating fins are provided with a heat radiation gap 23; And one the lampshade shell that can be used as LED lighting 10 to concentrate the air-flow guiding cover 24 of light, it is to cover on radiator 16 and the LED substrate 12, the shape of air-flow guiding cover 24 is that to adopt the bottom wide than the top, and the top is provided with several convection current pores 26, promotes the power that air flows to form.
As shown, high-capacity LED lighting of the present utility model more includes a locating shaft 28 that wore radiator 16 centers and air-flow guiding cover 24, its bottom is connected to LED substrate 12, for light fixture being installed on the metope (not shown) and making in the line related of supply led chip power source is arranged at.In addition, an end face of first radiating fin 20 is provided with around can being in close proximity to locating shaft 28 as shown in the figure.
Radial first radiating fin 20 of radiator 16 of the present utility model and the design main purpose of second radiating fin 22 are for dispersing the heat energy that led chip 14 produced and adding hot-air simultaneously, and formation temperature is poor, becomes to promote the power that air flows.
See also Fig. 4, along with producing heat, led chip 14 luminous backs are passed to radiator 16, the body 18 of radiator 16 meeting formation temperature when temperature rises is poor, first radiating fin 20 and second radiating fin 22 also can produce temperature difference simultaneously with the air position contacting, therefore hot-air begins upwards to flow, the convergent curve of collocation air-flow guiding cover 24, hot-air will be gradually reduced, therefore the speed that moves increases gradually, hot-air sees through pore 26 and outwards moves rapidly, form pressure differential, cold air is by air-flow guiding cover 24 and LED substrate 12, the finedraw 27 that radiator is 16 (what perhaps claim is air admission hole) is compelled to suck naturally, flows to reach the promotion air.
Person more, see also Fig. 5, for making temperature difference more remarkable, flow to help promoting air, led chip 14 can be formed and arrange in the density mode, for example the center of the adopting comparatively dense shown in the figure and outside loose mode is arranged comes the formation temperature gradient difference, make temperature form the temperature difference automatically, form air automatically and flow.
See also Fig. 6, it is the assembly decomposing schematic representation of second kind of specific embodiment of high-capacity LED lighting of the present utility model.As shown in the figure, this embodiment is that compared to the difference of first above-mentioned body embodiment radiating fin 32 structures that change radiator 30 are the dull and stereotyped shape of arranging.
In sum, the utility model is to disclose a kind of high-capacity LED lighting and radiator structure thereof, it utilizes radiator body formed temperature difference when temperature rises, the temperature difference of hot fin and air contact position, impel hot-air upwards to flow, the convergent curve of collocation air-flow guiding cover, heat of compression air quickens hot-air and outwards moves, and forms pressure differential, force cold air to suck naturally, need not as fan, can promote air and flow by extra means to reach, so that the heat of led chip because of luminous generation dissipated fast, reach high-power output light flux.
The above is preferred embodiment of the present utility model only, is not to be used for limiting the scope that the utility model is implemented.So be that all equalizations of being done according to described feature of the utility model application range and spirit change or modification, all should be included in the claim of the present utility model.
Claims (27)
1. high-capacity LED lighting is characterized in that: comprising:
One LED substrate, it is provided with several led chips;
One radiator, it is arranged at this LED substrate top, and the end face of this radiator is provided with several by first radiating fin of center to the external radiation radial arrangement, is provided with one second radiating fin between two adjacent these first radiating fins; And
One air-flow guiding cover, it is to cover on this radiator, the shape of this air-flow guiding cover is that to adopt the bottom wide than the top, and the top is provided with several convection current pores.
2. according to 1 described high-capacity LED lighting of claim the, it is characterized in that: wherein the material of this radiator is an aluminium.
3. according to 1 described high-capacity LED lighting of claim the, it is characterized in that: wherein the material of this air-flow guiding cover is an aluminium.
4. according to 1 described high-capacity LED lighting of claim the, it is characterized in that: wherein this led chip is to present the density shape to arrange.
5. according to 4 described high-capacity LED lightings of claim the, it is characterized in that: wherein this led chip is to adopt the center comparatively dense and outside loose mode is arranged.
6. according to 1 described high-capacity LED lighting of claim the, it is characterized in that: wherein this air-flow guiding cover more covers on this LED substrate, with the lampshade as the LED lighting, so that light is concentrated.
7. according to 1 described high-capacity LED lighting of claim the, it is characterized in that: it more includes a locating shaft, the one end is center and this air-flow guiding cover that wore this radiator, the other end is connected to this LED substrate, and an end face of this first radiating fin is in close proximity to around this locating shaft.
8. according to 1 described high-capacity LED lighting of claim the, it is characterized in that: wherein be provided with a heat radiation gap between this second radiating fin and adjacent this first radiating fin.
9. high-capacity LED lighting is characterized in that: comprising:
One LED substrate, it is provided with several led chips;
One radiator, it is arranged at this LED substrate top, and the end face of this radiator is provided with several radiating fins of being arranged shape by flat board; And
One air-flow guiding cover, it is to cover on this radiator, the shape of this air-flow guiding cover is that to adopt the bottom wide than the top, and the top is provided with several convection current pores.
10. according to 9 described high-capacity LED lightings of claim the, it is characterized in that: wherein the material of this radiator is an aluminium.
11. according to 9 described high-capacity LED lightings of claim the, it is characterized in that: wherein the material of this air-flow guiding cover is an aluminium.
12. according to 9 described high-capacity LED lightings of claim the, it is characterized in that: wherein this led chip is to present the density shape to arrange.
13. according to 12 described high-capacity LED lightings of claim the, it is characterized in that: wherein this led chip is to adopt the center comparatively dense and outside loose mode is arranged.
14. according to 9 described high-capacity LED lightings of claim the, it is characterized in that: wherein this air-flow guiding cover more covers on this LED substrate, with the lampshade as the LED lighting, so that light is concentrated.
15. the radiator structure of a high-capacity LED lighting is characterized in that: comprising:
One radiator, it includes a body, is to have a bottom surface and an end face, and this bottom surface is to combine with a LED substrate, this end face is provided with several by first radiating fin of center to the external radiation radial arrangement, is provided with one second radiating fin between two adjacent these first radiating fins; And
One air-flow guiding cover, it is to cover on this radiator, the shape of this air-flow guiding cover is that to adopt the bottom wide than the top, and the top is provided with several convection current pores.
16. the radiator structure according to 15 described high-capacity LED lightings of claim the is characterized in that: wherein the material of this radiator is an aluminium.
17. the radiator structure according to 15 described high-capacity LED lightings of claim the is characterized in that: wherein the material of this air-flow guiding cover is an aluminium.
18. the radiator structure according to 15 described high-capacity LED lightings of claim the is characterized in that: wherein this LED substrate is provided with several led chips, and this led chip is to present the density shape to arrange.
19. the radiator structure according to 18 described high-capacity LED lightings of claim the is characterized in that: wherein this led chip is to adopt the center comparatively dense and outside loose mode is arranged.
20. the radiator structure according to 15 described high-capacity LED lightings of claim the is characterized in that: wherein this air-flow guiding cover more covers on this LED substrate, with the lampshade as the LED lighting, so that light is concentrated.
21. the radiator structure according to 15 described high-capacity LED lightings of claim the is characterized in that: wherein be provided with a heat radiation gap between this second radiating fin and adjacent this first radiating fin.
22. the radiator structure of a high-capacity LED lighting is characterized in that: comprising:
One radiator, it includes a body, is to have a bottom surface and an end face, and this bottom surface is to combine with a LED substrate, and this end face is provided with several radiating fins of being arranged shape by flat board; And
One air-flow guiding cover, it is to cover on this radiator, the shape of this air-flow guiding cover is that the bottom is wide than the top, and the top is provided with several convection current pores.
23. the radiator structure according to 22 described high-capacity LED lightings of claim the is characterized in that: wherein the material of this radiator is an aluminium.
24. the radiator structure according to 22 described high-capacity LED lightings of claim the is characterized in that: wherein the material of this air-flow guiding cover is an aluminium.
25. the radiator structure according to 22 described high-capacity LED lightings of claim the is characterized in that: wherein this LED substrate is provided with several led chips, and this led chip is to present the density shape to arrange.
26. the radiator structure according to 25 described high-capacity LED lightings of claim the is characterized in that: wherein this led chip is to adopt the center comparatively dense and outside loose mode is arranged.
27. the radiator structure according to 22 described high-capacity LED lightings of claim the is characterized in that: wherein this air-flow guiding cover more covers on this LED substrate, with the lampshade as the LED lighting, so that light is concentrated.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2009200039025U CN201368348Y (en) | 2009-01-20 | 2009-01-20 | High power led lighting lamp and heat dissipation structure thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2009200039025U CN201368348Y (en) | 2009-01-20 | 2009-01-20 | High power led lighting lamp and heat dissipation structure thereof |
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| Publication Number | Publication Date |
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| CN201368348Y true CN201368348Y (en) | 2009-12-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2009200039025U Expired - Fee Related CN201368348Y (en) | 2009-01-20 | 2009-01-20 | High power led lighting lamp and heat dissipation structure thereof |
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| Country | Link |
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| CN (1) | CN201368348Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012095019A1 (en) * | 2011-01-14 | 2012-07-19 | 查克森科技有限公司 | Illumination apparatus |
| CN103574315A (en) * | 2012-07-20 | 2014-02-12 | 湖北凯美能源技术有限公司 | Light-emitting diode (LED) lamp |
| CN107559645A (en) * | 2017-08-29 | 2018-01-09 | 江苏浦亚照明科技股份有限公司 | High power illumination encapsulating structure |
-
2009
- 2009-01-20 CN CNU2009200039025U patent/CN201368348Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012095019A1 (en) * | 2011-01-14 | 2012-07-19 | 查克森科技有限公司 | Illumination apparatus |
| CN103574315A (en) * | 2012-07-20 | 2014-02-12 | 湖北凯美能源技术有限公司 | Light-emitting diode (LED) lamp |
| CN103574315B (en) * | 2012-07-20 | 2016-05-11 | 湖北凯美能源技术有限公司 | A kind of LED light fixture |
| CN107559645A (en) * | 2017-08-29 | 2018-01-09 | 江苏浦亚照明科技股份有限公司 | High power illumination encapsulating structure |
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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: 20091223 Termination date: 20110120 |