CN202613149U - Light-emitting diode (LED) down lamp with chimney convection effect thermal dissipation structure - Google Patents
Light-emitting diode (LED) down lamp with chimney convection effect thermal dissipation structure Download PDFInfo
- Publication number
- CN202613149U CN202613149U CN2012202244774U CN201220224477U CN202613149U CN 202613149 U CN202613149 U CN 202613149U CN 2012202244774 U CN2012202244774 U CN 2012202244774U CN 201220224477 U CN201220224477 U CN 201220224477U CN 202613149 U CN202613149 U CN 202613149U
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- Prior art keywords
- led
- heat conduction
- lamp body
- radiator
- integrated optical
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- 230000000694 effects Effects 0.000 title claims abstract description 13
- 230000003287 optical effect Effects 0.000 claims abstract description 26
- 239000000758 substrate Substances 0.000 claims abstract description 4
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 6
- 229910052782 aluminium Inorganic materials 0.000 claims description 6
- 239000004411 aluminium Substances 0.000 claims description 6
- 229920002379 silicone rubber Polymers 0.000 claims description 6
- 239000000428 dust Substances 0.000 claims description 5
- 239000012634 fragment Substances 0.000 claims description 4
- 238000009825 accumulation Methods 0.000 abstract description 3
- 229920001296 polysiloxane Polymers 0.000 abstract 2
- 235000009967 Erodium cicutarium Nutrition 0.000 description 2
- 238000004512 die casting Methods 0.000 description 2
- 230000017525 heat dissipation Effects 0.000 description 2
- 241001522083 Citrus trifoliata Species 0.000 description 1
- 235000000404 Poncirus trifoliata Nutrition 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 238000013467 fragmentation Methods 0.000 description 1
- 238000006062 fragmentation reaction Methods 0.000 description 1
- 230000005622 photoelectricity Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
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Abstract
The utility model discloses a light-emitting diode (LED) down lamp with a chimney convection effect thermal dissipation structure. The LED down lamp comprises an LED integrated optical source, a lamp body, a radiator, a back shroud, a reflection cup and a surface cover, wherein the reflection cup is placed on the LED integrated optical source, the reflection cup is fixed on the lamp body through the surface cover, and the back shroud is fixed on the lamp body. The LED down lamp is characterized in that the LED down lamp further comprises a heat conduction tray which is fixed on the lamp body, the radiator is installed on the lamp body and tightly attached to the heat conduction tray, the LED integrated optical source is fixed at the centre of the heat conduction tray, a heat conduction silicone pad is arranged between the LED integrated optical source and the heat conduction tray, and the heat conduction silicone pad is attached to a substrate of the LED integrated optical source. According to the technical scheme, cold air enters into the lamp body through a gap formed by the reflection cup and the LED integrated optical source, enters into the radiator through a circular through hole of the heat conduction tray and flows to the exterior of the lamp body through a through hole on the back shroud to form the chimney convection effect, heat generated by LED operation is taken away continuously, and the problems that the temperature accumulation of lamp board center points and the exposed radiator is prone to deposit dusts are solved.
Description
Technical field
The utility model relates to lighting technical field, specifically a kind of LED Down lamp of chimney convection effect radiator structure.
Background technology
In recent years, because the succeeding in developing of the LED of white light, LED began to enter into illuminating industry.LED belongs to cold light source; Compare with fluorescent lamp with white trifoliate orange lamp, it has long, the shock-resistant advantage such as fragmentation that promptly is difficult in power and energy saving, life-span, compares with fluorescent lamp; Do not glimmer in addition, toggle speed is fast, the advantage of environmentally safe, is regarded as perfect light source of new generation by the photoelectricity industry.Though LED is regarded as cold light source, still can produce certain heat during work, the operating temperature of LED generally should be less than 50 degree.Have data to show, when the operating temperature of LED reaches 55 when spending, its life-span will reduce half the.At present, the Down lamp heat radiation of the conventional LED integrated optical source in market, the exposed heronsbill radiator structure of general employing, or the fin radiator structure of exposed die casting, these two kinds of radiating modes: one, the time has been grown easy laying dust, influences radiating effect; Two, the convection current in time of radiator centre air, heat can not in time shed, and forms tropical island effect, has a strong impact on the service life of led light source.
Summary of the invention
The purpose of the utility model provides a kind of good heat dissipation effect, the LED Down lamp of long service life.
The purpose of the utility model realizes through following technical scheme.
A kind of LED Down lamp; Comprise LED integrated optical source, lamp body, radiator, back shroud, reflector and cover, reflector is placed on the LED integrated optical source, and reflector is fixed on the lamp body through cover; Back shroud is fixed on the lamp body; It is characterized in that: said LED Down lamp also comprises the heat conduction pallet, and the heat conduction pallet is fixed on the lamp body, and radiator is installed on the lamp body and is close to the heat conduction pallet; LED integrated optical source is fixed on the center position of heat conduction pallet, is provided with the thermal conductive silicon rubber cushion between LED integrated optical source and the heat conduction pallet and the thermal conductive silicon rubber cushion is attached on the substrate of LED integrated optical source.
Be provided with the gap between said reflector and the LED integrated optical source.
Said heat conduction pallet is processed by aluminium sheet, on aluminium sheet, is distributed with manhole.
The middle part of said radiator is provided with central through hole, also is evenly equipped with the side through hole in the outside of central through hole.
Said radiator is provided with 7 orthohexagonal through holes.
Be fixed with heat conduction thermal capacitance rod in the central through hole of said radiator, and be close to the heat conduction pallet.
Said back shroud is locked on the lamp body through screw, is distributed with on the bonnet to stop that most of dust gets into the passage of radiator.
Shell fragment also is installed on the said lamp body.
The utility model compared with prior art has the following advantages:
Can know that through the said technical scheme of the utility model cold air is through the gap of reflector and LED integrated optical source, it is inner to get into lamp body; Manhole through the heat conduction pallet gets into radiator; Through hole flows to the lamp body outside from the back shroud again, forms the chimney convection effect, constantly takes away the heat that LED work produces; Solve lamp plate central point temperature accumulation phenomena, and solved the problem of the easy laying dust of exposed radiator.The utility model good heat dissipation effect, long service life.
Description of drawings
Fig. 1 is the decomposition texture sketch map of the utility model LED Down lamp;
Fig. 2 is the stereogram () of the utility model LED Down lamp;
Fig. 3 is the stereogram (two) of the utility model LED Down lamp.
The specific embodiment
Below in conjunction with accompanying drawing the utility model LED Down lamp is described in further detail.
Like Fig. 1-shown in Figure 3, the utility model LED Down lamp mainly is made up of with cover 10 back shroud 1, heat conduction thermal capacitance rod 2, radiator 3, shell fragment 4, lamp body 5, heat conduction pallet 6, thermal conductive silicon rubber cushion 7, LED integrated optical source 8, reflector 9.The middle part of radiator 3 is provided with a central through hole, also is evenly equipped with 6 side through holes in the outside of central through hole, respectively is orthohexagonal through hole.Heat conduction pallet 6 is processed by aluminium sheet, on aluminium sheet, is distributed with manhole.Heat conduction pallet 6 is locked on the lamp body through screw, and the radiator riveted and is close to heat conduction pallet 6 surfaces in lamp body 5; Heat conduction thermal capacitance rod 2 riveteds are on the centre bore position of radiator 3 and be close to heat conduction pallet 6 surfaces; Back shroud 1 is locked on the lamp body 5 through screw, and thermal conductive silicon rubber cushion 7 is bonded on the substrate of LED integrated optical source 8, and LED integrated optical source 8 is locked at the center of heat conduction pallet 6 through screw; Reflector 9 is placed on the LED integrated optical source 8, is locked on the lamp body 5 through cover 10.Shell fragment 4 is installed on the lamp body.Wherein be provided with the gap between reflector 9 and the LED integrated optical source 8.The utility model is compared the existing exposed heronsbill radiator structure and the fin dissipating bind structure of the die casting of exposing; The utility model makes only to expose the radiator structure of the chimney convection effect of passage into, and promptly cold air gets into lamp body inside through the gap of reflector with LED integrated optical source; Manhole through the heat conduction pallet gets into radiator; Through hole flows to the lamp body outside from the back shroud again, forms the chimney convection effect, constantly takes away the heat that LED work produces; Solve lamp plate central point temperature accumulation phenomena, and solved the problem of the easy control of dust of exposed radiator.
Claims (8)
1. the LED Down lamp of a chimney convection effect radiator structure; Comprise LED integrated optical source, lamp body, radiator, back shroud, reflector and cover, reflector is placed on the LED integrated optical source, and reflector is fixed on the lamp body through cover; Back shroud is fixed on the lamp body; It is characterized in that: said LED Down lamp also comprises the heat conduction pallet, and the heat conduction pallet is fixed on the lamp body, and radiator is installed on the lamp body and is close to the heat conduction pallet; LED integrated optical source is fixed on the center position of heat conduction pallet, is provided with the thermal conductive silicon rubber cushion between LED integrated optical source and the heat conduction pallet and the thermal conductive silicon rubber cushion is attached on the substrate of LED integrated optical source.
2. LED Down lamp according to claim 1 is characterized in that: be provided with the gap between said reflector and the LED integrated optical source.
3. LED Down lamp according to claim 1 is characterized in that: said heat conduction pallet is processed by aluminium sheet, on aluminium sheet, is distributed with manhole.
4. according to claim 1 or 2 or 3 described LED Down lamps, it is characterized in that: the middle part of said radiator is provided with central through hole, also is evenly equipped with the side through hole in the outside of central through hole.
5. LED Down lamp according to claim 4 is characterized in that: said radiator is provided with 7 orthohexagonal through holes.
6. LED Down lamp according to claim 5 is characterized in that: be fixed with heat conduction thermal capacitance rod in the central through hole of said radiator, and be close to the heat conduction pallet.
7. LED Down lamp according to claim 1 is characterized in that: said back shroud is locked on the lamp body through screw, is distributed with on the bonnet to stop that most of dust gets into the passage of radiator.
8. LED Down lamp according to claim 1 is characterized in that: shell fragment also is installed on the said lamp body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012202244774U CN202613149U (en) | 2012-05-18 | 2012-05-18 | Light-emitting diode (LED) down lamp with chimney convection effect thermal dissipation structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012202244774U CN202613149U (en) | 2012-05-18 | 2012-05-18 | Light-emitting diode (LED) down lamp with chimney convection effect thermal dissipation structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202613149U true CN202613149U (en) | 2012-12-19 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012202244774U Expired - Fee Related CN202613149U (en) | 2012-05-18 | 2012-05-18 | Light-emitting diode (LED) down lamp with chimney convection effect thermal dissipation structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202613149U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104565945A (en) * | 2015-01-19 | 2015-04-29 | 华南理工大学 | High-power LED down lamp with chimney effect reinforcing heat dissipation function |
| CN105465756A (en) * | 2014-10-31 | 2016-04-06 | 深圳市瑶熙上德照明有限公司 | Automatic air suction type heat-dissipation lamp and heat dissipation method of lamp |
| CN107461654A (en) * | 2017-07-12 | 2017-12-12 | 鹰潭阳光照明有限公司 | The LED spotlight of cross-ventilation radiating |
-
2012
- 2012-05-18 CN CN2012202244774U patent/CN202613149U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105465756A (en) * | 2014-10-31 | 2016-04-06 | 深圳市瑶熙上德照明有限公司 | Automatic air suction type heat-dissipation lamp and heat dissipation method of lamp |
| CN104565945A (en) * | 2015-01-19 | 2015-04-29 | 华南理工大学 | High-power LED down lamp with chimney effect reinforcing heat dissipation function |
| CN107461654A (en) * | 2017-07-12 | 2017-12-12 | 鹰潭阳光照明有限公司 | The LED spotlight of cross-ventilation radiating |
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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 |
Granted publication date: 20121219 Termination date: 20160518 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |