CN202747157U - LED (light emitting diode) street lamp with super-heat-conducting optical engine - Google Patents
LED (light emitting diode) street lamp with super-heat-conducting optical engine Download PDFInfo
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- CN202747157U CN202747157U CN2012204635698U CN201220463569U CN202747157U CN 202747157 U CN202747157 U CN 202747157U CN 2012204635698 U CN2012204635698 U CN 2012204635698U CN 201220463569 U CN201220463569 U CN 201220463569U CN 202747157 U CN202747157 U CN 202747157U
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- led
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- temperature
- street lamp
- radiator
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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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Abstract
The utility model provides an LED (light emitting diode) street lamp with a super-heat-conducting optical engine. The LED street lamp comprises a heat radiator, wherein a temperature equalizing board is arranged on the heat radiator; an LED light source is packaged on the temperature equalizing board through a COB (chip on board); a secondary optical lens is arranged on the LED light source; the secondary optical lens is fixed on the heat radiator; and the temperature equalizing board is sealed between the secondary optical lens and the heat radiator. According to the LED street lamp with the super-heat-conducting optical engine provided by the utility model, the LED light source is packaged on the temperature equalizing board through the COB, the rapid heat conduction is realized by utilizing the characteristics that the temperature equalizing board is rapid in heat conduction speed, good in temperature equalization property and large in output power, and the working temperature of the LED is effectively prevented from being increased; and meanwhile a nano radiation material layer is arranged on a shell, the heat on the shell is rapidly output, so that the problem that the temperature of an LED lamp is increased is avoided. Compared with the prior art, the LED street lamp has the advantages of simple structure, good heat conduction effect, rapid speed and the like, the working temperature of the LED is effectively prevented from being increased, and the service life and the normal working of the LED street lamp are ensured.
Description
Technical field
The utility model relates to the LED street lamp, and what be specifically related to is a kind of LED street lamp with heat superconducting photo engine.
Background technology
The operating temperature of the life-span of led light source and light decay and its node has very close relationship, 10 ℃ of the every increases of temperature, and its reliability will reduce half.Show according to the Philips technical data, bring up to 135 ℃ when junction temperature from 115 ℃, will make the LED life-span be reduced to 20,000 hours from 50,000 hours, therefore quick heat radiating how, keeping the LED operating temperature to keep stable is to determine the LED key in service life.The emphasis of corresponding LED heat dissipation design then is to have more short better heat dissipation path, so that heat can be within the shortest time, derives in mode fast.
But the at present most of employing of the package carrier of LED is aluminium base, ceramic substrate or copper base, its thermal conductivity coefficient is all below 450W/mK, the heat that can't fast high-capacity LED be produced effectively derives goes, cause the LED operating temperature too high, thereby cause light decay, cause LED to reduce service life.
In addition, the shell of present LED street lamp, the protective paint that mostly scribbles, these protective paints have the thermal resistance effect, can stop the LED work calories to diffuse to fast in the air, therefore also can cause LED lamp body temperature to raise, and affect the normal use of LED.
The utility model content
The purpose of this utility model is to provide a kind of LED street lamp with heat superconducting photo engine, adopts aluminium base, ceramic substrate or copper base as package carrier to solve present LED street lamp, exists heat transfer efficiency low, the problem that service life is short.
The purpose of this utility model is achieved through the following technical solutions.
A kind of LED street lamp with heat superconducting photo engine, comprise radiator (6), be provided with temperature-uniforming plate (1) on the described radiator (6), this temperature-uniforming plate (1) is upper to be packaged with led light source (2) by COB, be provided with secondary optical lens (3) on the described led light source (2), this secondary optical lens (3) is fixed on the radiator (6), and temperature-uniforming plate (1) is sealed between secondary optical lens (3) and the radiator (6).
Preferably, described radiator (6) is fixedly mounted in the housing (4), also is provided with a nm radiation material layer (5) on the described housing (4).
Preferably, described led light source (2) is made of packaging body (202) and a plurality of led chip (201) that is encapsulated in this packaging body (202).
Preferably, described temperature-uniforming plate (1) bottom is fixed on the radiator (6) by heat-conducting cream or heat-conducting silica gel sheet or graphite flake.
The LED street lamp with heat superconducting photo engine that the utility model provides, led light source is encapsulated on the temperature-uniforming plate by COB, utilize the characteristics that the temperature-uniforming plate heat transfer rate is fast, average temperature performance good, power output is large, realize quick conductive, effectively avoided the rising of LED operating temperature; Simultaneously be provided with the nm radiation material layer at housing, the heat on the housing is derived fast, the problem of having avoided LED lamp body temperature to raise.Compared with prior art, the utlity model has the advantages such as simple in structure, good heat conduction effect, speed be fast, can effectively avoid the LED operating temperature to raise, guaranteed service life and the normal operation of LED.
Description of drawings
Fig. 1 is the structural representation that the utlity model has the LED street lamp of heat superconducting photo engine.
Identifier declaration among the figure: temperature-uniforming plate 1, led light source 2, led chip 201, packaging body 202, secondary optical lens 3, housing 4, nm radiation material layer 5, radiator 6, fin 601.
The specific embodiment
In order to make the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein only in order to explaining the utility model, and be not used in restriction the utility model.
See also shown in Figure 1ly, Fig. 1 is the structural representation that the utlity model has the LED street lamp of heat superconducting photo engine.The utility model provides a kind of LED street lamp with heat superconducting photo engine, and being mainly used in solving present LED street lamp employing aluminium base, ceramic substrate or copper base is package carrier, exists heat transfer efficiency low, the problem that service life is short; And the shell that solves the LED street lamp scribbles the thermal resistance protective paint, causes heat radiation difficulty, LED lamp body temperature to raise, and affects the problem of the normal use of LED.
Wherein the LED street lamp of the utility model heat superconducting photo engine mainly includes housing 4 and the radiator 6 that is installed in the housing 4, be provided with nm radiation material layer 5 on the described housing 4, described radiator 6 bottoms are provided with a plurality of fin 601, radiator top is provided with temperature-uniforming plate 1, and described temperature-uniforming plate 1 fixedly is locked on the radiator 6 by heat-conducting cream or heat-conducting silica gel sheet or graphite flake.
Be packaged with led light source 2 by COB on the temperature-uniforming plate 1, this led light source 2 is made of packaging body 202 and a plurality of high-capacity LED chip 201 that is encapsulated in this packaging body 202, and described high-capacity LED chip 201 is the technique of utilizing the die bond routing, and directly integration packaging (centre does not have other to have the thermal resistance material except elargol) is on temperature-uniforming plate 1.
Be provided with a secondary optical lens 3 at led light source 2, the outer shroud of described secondary optical lens 3 bottom and waterproof apron fixedly be locked in radiator 6 above, and in whole temperature-uniforming plate 1 is sealed in.
The main purpose that wherein adopts housing 4 in the utility model is that itself and the radiator 6 that is positioned at inside are fitted tightly, can derive fast by the nm radiation coating that applies on the housing 4 after heat that led light source 2 produces is transmitted to radiator 6 by temperature-uniforming plate 1 accelerating; And housing also can be used for street lamp is protected, in the situation that do not need the housing protection, can directly the nm radiation coating be coated on the radiator, so also can reach the purpose of good heat radiating.
Temperature-uniforming plate 1 described in the utility model is reliable passive type micro-cooler device without power consumption, have reliability high, needn't keep in repair, the advantage such as sturdy and durable, plasticity is large, it is mainly by base plate, frame and cover plate form the plate cavity of a complete closed, the cavity inner wall face is provided with the imbibition wick structure, and wick structure can be woven wire, microchannels, filament also can be metal powder sintered core and several textural association.Inside cavity need be provided with supporting construction in case of necessity, causes depression and is heated outer distortion of rising to overcome because vacuumizing negative pressure.
Above-mentioned temperature-uniforming plate utilizes two-phase flow principle, and heat flow density can reach 170W/cm
2Above, can effectively solve the heat dissipation problem from point to face.Under identical heat flow density, the temperature the when cooling system of the utility model temperature-uniforming plate can make LED (50W) light source works reduces by 7～10 degree.
Nm radiation material layer 5 can adopt high nm radiation alumina material or high nm radiation rubber composite etc. in the utility model; it all can reach the requirements such as quick heat radiating, good heat resistance; it not only has heat-resisting, corrosion resistant protective effect, can also reach 15%～20% than effective reduction temperature in the past.
The LED street lamp of heat superconducting photo engine described in the utility model adopts its heat-transfer rate behind the temperature-uniforming plate to be 5 times of solid copper coin, to be 10 times of nitrogen Aluminum substrate, 666 times of Aluminum substrate (MCPCB), and the heat-transfer rate of light source engine module than aluminium base fast more than 600 times.
The above only is preferred embodiment of the present utility model; not in order to limit the utility model; all any modifications of within spirit of the present utility model and principle, doing, be equal to and replace and improvement etc., all should be included within the protection domain of the present utility model.
Claims (4)
1. LED street lamp with heat superconducting photo engine, it is characterized in that comprising radiator (6), be provided with temperature-uniforming plate (1) on the described radiator (6), this temperature-uniforming plate (1) is upper to be packaged with led light source (2) by COB, be provided with secondary optical lens (3) on the described led light source (2), this secondary optical lens (3) is fixed on the radiator (6), and temperature-uniforming plate (1) is sealed between secondary optical lens (3) and the radiator (6).
2. the LED street lamp with heat superconducting photo engine according to claim 1 is characterized in that described radiator (6) is fixedly mounted in the housing (4), also is provided with a nm radiation material layer (5) on the described housing (4).
3. the LED street lamp with heat superconducting photo engine according to claim 1 is characterized in that described led light source (2) is made of packaging body (202) and a plurality of led chip (201) that is encapsulated in this packaging body (202).
4. the LED street lamp with heat superconducting photo engine according to claim 1 is characterized in that described temperature-uniforming plate (1) bottom is fixed on the radiator (6) by heat-conducting cream or heat-conducting silica gel sheet or graphite flake.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012204635698U CN202747157U (en) | 2012-09-12 | 2012-09-12 | LED (light emitting diode) street lamp with super-heat-conducting optical engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012204635698U CN202747157U (en) | 2012-09-12 | 2012-09-12 | LED (light emitting diode) street lamp with super-heat-conducting optical engine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202747157U true CN202747157U (en) | 2013-02-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012204635698U Expired - Fee Related CN202747157U (en) | 2012-09-12 | 2012-09-12 | LED (light emitting diode) street lamp with super-heat-conducting optical engine |
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| Country | Link |
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| CN (1) | CN202747157U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105135309A (en) * | 2015-10-15 | 2015-12-09 | 浙江万昇光电科技有限公司 | Hot-plug intelligent LED (light-emitting diode) lamp |
| CN105351830A (en) * | 2015-10-15 | 2016-02-24 | 浙江万昇光电科技有限公司 | Intelligent LED lamp |
| CN108119775A (en) * | 2016-11-28 | 2018-06-05 | 中国科学院工程热物理研究所 | A kind of LED lamp with concurrent flow Equalized temperature plate radiator |
-
2012
- 2012-09-12 CN CN2012204635698U patent/CN202747157U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105135309A (en) * | 2015-10-15 | 2015-12-09 | 浙江万昇光电科技有限公司 | Hot-plug intelligent LED (light-emitting diode) lamp |
| CN105351830A (en) * | 2015-10-15 | 2016-02-24 | 浙江万昇光电科技有限公司 | Intelligent LED lamp |
| CN108119775A (en) * | 2016-11-28 | 2018-06-05 | 中国科学院工程热物理研究所 | A kind of LED lamp with concurrent flow Equalized temperature plate radiator |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: SHENZHEN GUANGYIREN LIGHTING CO., LTD. Free format text: FORMER OWNER: YOU WENXIAN Effective date: 20150430 Free format text: FORMER OWNER: YOU QINGHUI Effective date: 20150430 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| C53 | Correction of patent for invention or patent application | ||
| CB03 | Change of inventor or designer information |
Inventor after: Leng Rui Inventor before: You Wenxian |
|
| COR | Change of bibliographic data |
Free format text: CORRECT: INVENTOR; FROM: YOU WENXIAN TO: LENG RUI |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20150430 Address after: Baoan District Xixiang street Shenzhen city Guangdong province 518000 Taihua sunshine sea 20A-102 Patentee after: Shenzhen sunshine Lighting Co., Ltd. Address before: 518000 Oriental Garden Q901, overseas Chinese town, Shenzhen, Guangdong, Nanshan District Patentee before: You Wenxian Patentee before: You Qinghui |
|
| 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: 20130220 Termination date: 20160912 |