CN201909292U - Heat radiator of light emitting diode (LED) street lamp - Google Patents
Heat radiator of light emitting diode (LED) street lamp Download PDFInfo
- Publication number
- CN201909292U CN201909292U CN2010206330375U CN201020633037U CN201909292U CN 201909292 U CN201909292 U CN 201909292U CN 2010206330375 U CN2010206330375 U CN 2010206330375U CN 201020633037 U CN201020633037 U CN 201020633037U CN 201909292 U CN201909292 U CN 201909292U
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- heat
- led
- street lamp
- lamp stand
- heat pipe
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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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- Non-Portable Lighting Devices Or Systems Thereof (AREA)
- Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
Abstract
The utility model discloses a heat radiator of a light emitting diode (LED) street lamp, which comprises an LED light source base plate and a lamp rod, wherein an LED is arranged in the LED light source base plate, and the heat radiator also comprises a heat conduction pipe which is connected between the base plate and the lamp rod. The heat radiator can overcome the defects such as poor heat radiation effect, easy generation of LED light decay, short service life and the like in the prior art for realizing the advantages of good heat radiation effect, small light decay and long service life.
Description
Technical field
The utility model relates to outdoor illumination field, particularly, relates to a kind of heat abstractor of LED street lamp.
Background technology
Semiconductor components and devices is very sensitive to heat, is heated for a long time or hot conditions all can be brought the unstability of semiconductor components and devices work, also can influence the service life of semiconductor components and devices.
Light emitting diode (Light Emitting Diode, be called for short LED) is as a kind of semiconductor components and devices, and the heat that LED produces during because of its work is less, and luminous efficiency is higher, is regarded as cold light source; Compare with fluorescent lamp with traditional incandescent lamp, the electric energy of LED street lamp can reach more than 90%.
LED is as cold light source, and heat dissipation capacity is less, has long advantage of efficient low-consume, energy-conserving and environment-protective and life-span, more and more is subjected to the attention of countries in the world; But, LED still can produce certain heat during work, can produce a large amount of heat when great power LED is luminous, if untimely heat with luminous generation is led diffusing, then cause the aging rapidly of led chip unavoidably, even when the heat that gathers is big, can burn led chip, thereby influence the work of illuminator.Have data to show that the operating temperature of LED is generally less than 50 ℃, when the operating temperature of LED reached 55 ℃, can reduce half the service life of LED.
At present, under the overall situation of energy-conservation and environmental protection, for saves energy, adopt the LED street lamp in the highway lighting system, but the radiating effect of LED street lamp is not good, when elevating the temperature when being heated, LED is easy to generate light decay, and illuminating effect is bad, and temperature reduces sharply when surpassing 55 ℃ service life.
Summary of the invention
Technical problem to be solved in the utility model be overcome radiating effect in the prior art not good, easily produce short defective of light decay and service life, a kind of heat abstractor of LED street lamp is provided, with realize good heat dissipation effect, light decay is little and the advantage of long service life.
In order to solve the problems of the technologies described above, the technical solution adopted in the utility model is: a kind of heat abstractor of LED street lamp, comprise led light source substrate and lamp stand, and in described led light source substrate, LED is housed; Also comprise a heat pipe, described heat pipe is connected between described substrate and the described lamp stand.
Further, described lamp stand has hollow form inner chamber and metal outer wall.
Further, on described lamp stand, offer a pair of to discharge orifice.
Wherein, describedly a plurality ofly can comprise first pair of discharge orifice to discharge orifice, described first pair of discharge orifice is located at the top side of described lamp stand; Can also comprise second pair of discharge orifice, described second pair of discharge orifice is located at the bottom side of described lamp stand.
Further, described heat pipe has vacuum lumen, is filled with the liquid superconduct heat media in described vacuum lumen.
Further, the diameter of described heat pipe end is greater than the diameter of described heat pipe body, wherein: fixedly connected with described substrate in the top of described heat pipe, and the tail end of described heat pipe is fixedlyed connected with the top of described lamp stand.
Further, in described junction, be coated with heat-conducting silicone grease to heat pipe and described substrate.
Further, in described junction, be coated with heat-conducting silicone grease to heat pipe and described lamp stand.
The heat abstractor of the LED street lamp of each embodiment of the utility model comprises led light source substrate, heat pipe and lamp stand, offers discharge orifice in the bottom and the top-side of lamp stand; When the LED street lamp is worked, heat pipe is passed to lamp stand with heat by the led light source substrate, be main radiator and be that the auxiliary heat dissipation body dispels the heat that with lamp stand the convection current sky of lamp stand makes air in the lamp stand internal flow simultaneously, and the lamp stand internal heat is taken away with the led light source substrate; Thereby can overcome radiating effect in the prior art not good, easily produce short defective of light decay and service life, with realize good heat dissipation effect, light decay is little and the advantage of long service life.
Other features and advantages of the utility model will be set forth in the following description, and, partly from specification, become apparent, perhaps understand by implementing the utility model.The purpose of this utility model and other advantages can realize and obtain by specifically noted structure in the specification of being write, claims and accompanying drawing.
Description of drawings
Below by drawings and Examples, the technical solution of the utility model is described in further detail.
Accompanying drawing is used to provide further understanding of the present utility model, and constitutes the part of specification, is used from explanation the utility model with embodiment one of the present utility model, does not constitute restriction of the present utility model.In the accompanying drawings:
Fig. 1 is the structural representation according to the heat abstractor of the utility model LED street lamp.
In conjunction with the accompanying drawings, Reference numeral is as follows among the utility model embodiment:
1-first solar panel; 2-second solar panel; 3-decorates pipe; 4-is to discharge orifice; The 5-lamp stand; The 6-carriage; The 7-heat pipe; The 8-LED street lamp; The 9-LED light source substrate; The 10-heat sink.
The specific embodiment
Below in conjunction with accompanying drawing preferred embodiment of the present utility model is described, should be appreciated that preferred embodiment described herein only is used for description and interpretation the utility model, and be not used in qualification the utility model.
According to the utility model embodiment, provide a kind of heat abstractor of LED street lamp.As shown in Figure 1, present embodiment comprises: first solar panel 1, second solar panel 2, decoration pipe 3, carriage 6, lamp stand 5, heat pipe 7, LED street lamp 8, led light source substrate 9 and heat sink 10.Wherein, LED street lamp 8 is installed in the led light source substrate 9, and first solar panel 1 and second solar panel 2 are installed in the top of lamp stand 5, and heat pipe 7 is connected between led light source substrate 9 and the lamp stand 5.
Wherein, lamp stand 5 has hollow form inner chamber and metal outer wall, and heat pipe 7 has vacuum lumen, is filled with the liquid superconduct heat media in this vacuum lumen, and vaporizing liquid when temperature is spent above Celsius 38 conducts heat rapidly.
Be provided with heat sink 10 on lamp stand 5, the top of heat pipe 7 is fixedly connected on the led light source substrate 9, and tail end passes heat sink 10 and lamp stand 5, be fixedly connected on the shaft of lamp stand 9 after stretching out a part; The end diameter of heat pipe 7 in the junction of heat pipe 7 with led light source substrate 9, is coated with heat-conducting silicone grease greater than heat pipe body diameter; In the junction of heat pipe 7, also be coated with heat-conducting silicone grease with lamp stand 5.
In the present embodiment, the area at heat pipe 7 two ends is big slightly, applies an amount of heat-conducting silicone grease in heat pipe 7 ends during connection, is convenient to reduce the thermal resistance when connecting heat radiation.
In the present embodiment, form discharge orifice 4 between the top of lamp stand 5 and the lamp stand 5.
In the present embodiment, as main radiator, as the auxiliary heat dissipation body, heat is by led light source substrate 9, be delivered to lamp stand 5 through heat pipe 7 respectively with led light source substrate 9 with lamp stand 5.Here, as main radiator, can reduce the area of led light source substrate 9, help saving cost with lamp stand 5.
Further, lay respectively at lamp stand bottom and top-side to discharge orifice 4, when LED street lamp 8 is worked, discharge orifice 4 is made the internal flow of air at lamp stand 5, the internal heat of lamp stand 5 is taken away; Help reducing the Yin Wendu light decay of the LED street lamp that causes that raises, and can effectively prolong the service life of LED street lamp.
In Fig. 1, carriage 6 is located between heat pipe 7 and the heat sink 10, is used for holder support heat pipe 7; Decorate frame 3 close heat pipes 7, be located on the lamp stand 5, be used to decorate the LED street lamp.
In sum, the heat abstractor of the LED street lamp of each embodiment of the utility model comprises led light source substrate and lamp stand, and is located at the heat pipe between led light source substrate and the lamp stand, and offers discharge orifice in the bottom and the top-side of lamp stand; When the LED street lamp is worked, heat pipe is passed to lamp stand with heat by the led light source substrate, be main radiator and be that the auxiliary heat dissipation body dispels the heat that with lamp stand the convection current sky of lamp stand makes air in the lamp stand internal flow simultaneously, and the lamp stand internal heat is taken away with the led light source substrate; Thereby can overcome radiating effect in the prior art not good, easily produce short defective of light decay and service life, with realize good heat dissipation effect, light decay is little and the advantage of long service life.
It should be noted that at last: the above only is preferred embodiment of the present utility model, be not limited to the utility model, although the utility model is had been described in detail with reference to previous embodiment, for a person skilled in the art, it still can be made amendment to the technical scheme that aforementioned each embodiment put down in writing, and perhaps part technical characterictic wherein is equal to replacement.All within spirit of the present utility model and principle, any modification of being done, be equal to replacement, improvement etc., all should be included within the protection domain of the present utility model.
Claims (7)
1. the heat abstractor of a LED street lamp comprises led light source substrate and lamp stand, in described led light source substrate LED is housed; It is characterized in that also comprise a heat pipe, described heat pipe is connected between described substrate and the described lamp stand.
2. the heat abstractor of LED street lamp according to claim 1 is characterized in that, described lamp stand has hollow form inner chamber and metal outer wall.
3. the heat abstractor of LED street lamp according to claim 1 and 2 is characterized in that, offers a pair of to discharge orifice on described lamp stand.
4. the heat abstractor of LED street lamp according to claim 1 and 2 is characterized in that, described heat pipe has vacuum lumen, is filled with the liquid superconduct heat media in described vacuum lumen.
5. the heat abstractor of LED street lamp according to claim 1 and 2 is characterized in that, the diameter of described heat pipe end is greater than the diameter of described heat pipe body, wherein:
Fixedly connected with described substrate in the top of described heat pipe, the tail end of described heat pipe is fixedlyed connected with the top of described lamp stand.
6. the heat abstractor of LED street lamp according to claim 5 is characterized in that, in described junction to heat pipe and described substrate, is coated with heat-conducting silicone grease.
7. the heat abstractor of LED street lamp according to claim 5 is characterized in that, in described junction to heat pipe and described lamp stand, is coated with heat-conducting silicone grease.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206330375U CN201909292U (en) | 2010-11-29 | 2010-11-29 | Heat radiator of light emitting diode (LED) street lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206330375U CN201909292U (en) | 2010-11-29 | 2010-11-29 | Heat radiator of light emitting diode (LED) street lamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201909292U true CN201909292U (en) | 2011-07-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010206330375U Expired - Fee Related CN201909292U (en) | 2010-11-29 | 2010-11-29 | Heat radiator of light emitting diode (LED) street lamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201909292U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103133955A (en) * | 2011-12-05 | 2013-06-05 | 常熟卓辉光电科技有限公司 | Integral light-emitting diode (LED) street lamp using circulating heat dissipation system |
| CN103968321A (en) * | 2014-05-21 | 2014-08-06 | 广州大学 | Solar LED street lamp with novel radiating device |
| CN106545816A (en) * | 2016-10-31 | 2017-03-29 | 张家港沙工科技服务有限公司 | A kind of energy-saving street lamp suitable for cold district |
| CN109114496A (en) * | 2018-11-01 | 2019-01-01 | 石狮市安明电子有限公司 | A kind of LED light and its heat dissipating method of good heat dissipation effect |
-
2010
- 2010-11-29 CN CN2010206330375U patent/CN201909292U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103133955A (en) * | 2011-12-05 | 2013-06-05 | 常熟卓辉光电科技有限公司 | Integral light-emitting diode (LED) street lamp using circulating heat dissipation system |
| CN103968321A (en) * | 2014-05-21 | 2014-08-06 | 广州大学 | Solar LED street lamp with novel radiating device |
| CN103968321B (en) * | 2014-05-21 | 2017-02-15 | 广州大学 | Solar LED street lamp with radiating device |
| CN106545816A (en) * | 2016-10-31 | 2017-03-29 | 张家港沙工科技服务有限公司 | A kind of energy-saving street lamp suitable for cold district |
| CN109114496A (en) * | 2018-11-01 | 2019-01-01 | 石狮市安明电子有限公司 | A kind of LED light and its heat dissipating method of good heat dissipation effect |
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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: 20110727 Termination date: 20111129 |