CN201582649U - High-power LED street lamp based on composite heat pipe - Google Patents
High-power LED street lamp based on composite heat pipe Download PDFInfo
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- CN201582649U CN201582649U CN2009201976133U CN200920197613U CN201582649U CN 201582649 U CN201582649 U CN 201582649U CN 2009201976133 U CN2009201976133 U CN 2009201976133U CN 200920197613 U CN200920197613 U CN 200920197613U CN 201582649 U CN201582649 U CN 201582649U
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- lamp
- heat pipe
- led
- lamppost
- street lamp
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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 high-power LED street lamp based on a composite heat pipe, which comprises a street lamp column, a lamp frame, an LED lamp, a lampshade, an LED aluminum substrate, an LED driver and a radiating heat pipe. The radiating heat pipe is obliquely disposed on the lamp frame, and an evaporating section of the radiating heat pipe tightly contacts with the LED aluminum substrate while a condensing section thereof is provided with radiating fins. The high-power LED street lamp has the advantages that 1, the high-power LED street lamp utilizes the lamp column, the radiating fins, the heat pipe and the lamp frame to radiate, the heat pipe rapidly transfers heat generated by the high-power LED during operation so as to resolve technical difficult problems of radiating of high-power LED lamps, and then service life of the street lamp is guaranteed, 2, the composite heat pipe is made of light environment-friendly materials, and a lamp cap is light in weight, small in volume, few in metal usage, environment-friendly and durable in materials, simple in manufacturing and low in cost, and 3, amount of the ribs on the condensing section of the heat pipe can be increased or decreased according to power level of the LED lamp, and then a radiating substrate of the LED can be light and thin.
Description
Technical field
The utility model relates to a kind of high-power LED street lamp, particularly a kind of high-power LED street lamp that utilizes heat pipe and lamp stand and lamp bracket heat radiation.
Background technology
At present, worldwide energy shortage has caused the great attention of various countries to power-saving technology, and when developing such as renewable and clean energy resources such as solar energy, wind energies energetically, various countries also utilize in rational and effective and strengthened dynamics aspect the energy.Being reflected in the illumination aspect is exactly constantly weeding out the old and bring forth the new and extensive use of various new light sources.This wherein, light emitting diode (LED) has caused concern more and more widely and progressively has been applied to lighting field with its low energy consumption, high light efficiency, long-life and its high reliability.Because LED need be below 80 ℃, the reliable operate as normal of ability.But caloric value is very big during great power LED work, therefore how to solve the focus that the great power LED cooling problem has become the solid-state illumination field, and the light decay that great power LED does not freely cause because of heat radiation has also become one bottleneck on the solid-state illumination road.For solving the heat dissipation problem of high-power LED street lamp, the disclosed LED road lamp body of Chinese patent ZL200720053235.2 has installed heat pipe additional, by heat pipe the heat of led light source is delivered to fin on the lamppost, the fin of this street lamp design is that metal is made, and volume is big, Heavy Weight, cost height.
Summary of the invention
The purpose of this utility model provides a kind of composite heat pipe and loop heat pipe of utilizing by the high-power LED street lamp that lamp stand and lamp bracket dispel the heat, and overcomes the shortcoming that existing high-power LED street lamp heatsink weight is heavy, cost is high.
The technical scheme that addresses the above problem employing is: based on the high-power LED street lamp of composite heat pipe, comprise lamppost, lamp bracket, LED lamp, lampshade, LED aluminium base, led driver and heat radiation heat pipe, it is characterized in that described heat radiation heat pipe is obliquely installed on described lamp bracket, its evaporator section closely contacts with described LED aluminium base, and condensation segment is provided with heat radiation and helps sheet.
High-power LED street lamp of the present utility model, the hood-shaped shape of LED light diffuser can be diversified, adopts transparent material to be made, as glass or PMMA.Liquid working substance is housed, and (for example, water, ammonia, alcohol, acetone etc.) heat pipe contacts with the LED aluminium base.Heat pipe package can be made by metal such as copper, aluminium, carbon steel, alloy, nano material, high heat-conducting plastic or nonmetallic materials, like this radiator in light weight, environmental and durable, make simple, cost is low.The shape of heat pipe can variation.LED lamp and LED aluminium base closely contact with heat pipe, the heat that produces when being used for drawing great power LED work, and heat is taken out of by heat pipe then.Hydraulic fluid in the heat pipe absorbs in a large number heat by led light source and driver produced by phase-state change, the heat that makes great power LED send is removed rapidly, guarantee that effectively the led chip junction temperature is controlled at below the allowable temperature, make the service life of high-power LED street lamp and the light decay of LED be able to effective control.
Described high-powered LED lamp, be the assembly of single LED lamp or plurality of LEDs lamp include single LEDs chip LED lamp or include many led chip module the LED lamp a kind of LED lamp or be no less than a kind of mixed type LED lamp of above-mentioned LED lamp.
Its lamp stand and lamp bracket constitute combined type heat pipe or loop heat pipe.Described lamppost is detachable lamppost, is divided into top lamppost and bottom lamppost, and its middle and upper part lamppost connects lamp bracket and lamp holder (comprising LED lamp, lampshade and LED aluminium base), and bottom lamppost and top lamppost are fixing by the clamping element chucking.
Described combined type heat pipe is fixed on lamppost, and (heat pipe has good thermal coupling to be connected with lamp stand with the lamp bracket inner surface, contact-making surface evenly is being coated with the filler that high thermal conductive silicon glue, silicone grease etc. help reducing heat pipe and lamp stand thermal resistance, or be designed to stationary fit or interference fits and can realize that from fastening it is fixing to be designed to available movingly clamping element chucking).The heat of being taken out of by heat pipe helps sheet to be dissipated in the air by lamp stand, lamp bracket and heat radiation again.
The beneficial effects of the utility model are:
1, utilize lamppost, heat radiation to help sheet, heat pipe, lamp bracket heat radiation, the heat that heat pipe sends when migrating out great power LED work has rapidly solved a high-power LED lamp heat dissipation technology difficult problem effectively, and guaranteed the service life of high-power LED street lamp.
2, combined type heat pipe or loop heat pipe are made by metal or nonmetal light environment protection material, as: copper, aluminium, carbon steel, alloy etc.Such lamp holder is in light weight, volume is little, metal consumption is few, material environment friendly is durable, manufacturing is simple, cost is low.
3, LED road lamp cap and lamp bracket, lamppost constitute the integral heat dissipation device, and the weight of lamp holder alleviates significantly.Because lamp holder is in light weight, volume is little, lamp bracket and lamppost weight is also corresponding to be alleviated, cost decline.Lamppost is detachable lamppost, makes easily, conveniently installs.
4, the LED heat radiation helps sheet to be installed in heat pipe condenser section, and the fin number can increase according to the power grade of LED lamp or reduce, thereby the heat-radiating substrate of LED can be more frivolous, and area is also smaller, thereby the weight of lamp holder is reduced significantly.
Description of drawings
The utility model is described in further detail below in conjunction with accompanying drawing, but embodiment of the present utility model is not limited thereto.
Fig. 1 high-power LED street lamp embodiment one generalized section.
Fig. 2 high-power LED street lamp embodiment two generalized sections.
Fig. 3 high-power LED street lamp embodiment three generalized sections.
The specific embodiment
As shown in Figure 1, it is embodiment one generalized section of the present utility model, the utility model embodiment provides a kind of high-power LED street lamp that utilizes heat pipe and lamp stand heat radiation, helps sheet 7, led driver 8, lamp bracket 9, fixed support 10, power line 11 to constitute by high-powered LED lamp 1, lampshade 2, LED aluminium base 3, heat radiation heat pipe 4, pressing plate 5, lamppost 6, heat radiation.
The described high-powered LED lamp 1 of the utility model embodiment, be the assembly of single LED lamp or plurality of LEDs lamp include single LEDs chip LED lamp or include many led chip module the LED lamp a kind of LED lamp or be no less than a kind of mixed type LED lamp of above-mentioned LED lamp.High-powered LED lamp 1 is fastened on above the high-power LED aluminum substrate with the form of bolt, and also available stickup or additive method are fixed; Its contact-making surface evenly is being coated with high thermal conductive silicon fat.LED aluminium base 3 closely is connected with dull and stereotyped or split type heat radiation heat pipe 4.
The hemispherical body of hollow or other shapes that the described luminous intensity distribution lampshade 2 of the utility model embodiment can be an end opening, its size adapt with the designed size of heat pipe 4 sizes and liquid-cooling LED lamp lamp holder of dispelling the heat and get final product.Luminous intensity distribution lampshade 2 adopts transparent material to be made, and as glass or PMMA etc., surface processing such as sandblasted, dust reaches different illumination effects as required.Surface curvature that can also be by adjusting lampshade or install the demand that lens are realized different light intensity and illuminating area additional.
The described heat pipe 4 of the utility model embodiment is a combined type heat pipe.Its structure can be flat or split type.Lamp bracket is made by plastics or glass or metal or other light environment protection materials.The concrete shape of heat pipe and radiated rib area are decided by LED road lamp cap volume and great power LED caloric value.The heat radiation heat pipe is installed in lamppost 6 and the lamp bracket 9, and the working medium in the heat pipe helps the heat that led light source and driver produced sheet and lamp bracket to be delivered in the surrounding air by lamp stand, heat radiation by phase transformation.
The described heat radiation of the utility model embodiment helps sheet 5 to make for having suitable high-termal conductivity metal, alloy, plastics macromolecule or nano material etc.Heat radiation helps size, quantity, material and the shape of sheet to design according to the actual needs.
The described heat radiation lamp bracket of the utility model embodiment will have certain angle of inclination, to realize the smooth backflow of heat pipe hydraulic fluid, guarantees radiating effect.Lamp bracket 8 should be greater than 10 degree with the angle of inclination of level.
Described lamppost of the utility model embodiment and lamp bracket constitute heat radiation lamp bracket parts.Described lamppost 6 is detachable lamppost, is divided into top lamppost and bottom lamppost, and its middle and upper part lamppost connects lamp bracket and lamp holder, and lamppost bottom and lamppost top are fixing by the clamping element chucking.Lamp bracket 9 and lamppost 6 can be configured to be convenient to different shape and the size that heat energy dissipates.
The described led driver 8 of the utility model embodiment places lamppost 6 to form in the space, and it is connected with lamp power line 11.
The described LED lamp of the utility model embodiment power line 11 places lamppost 6 to form in the space, and it is connected with high-powered LED lamp 1, powers to great power LED.
As shown in Figure 2, it is embodiment two generalized sections of the present utility model, the utility model embodiment provides a kind of high-power LED street lamp that utilizes heat pipe and lamp stand heat radiation, helps sheet 7, led driver 8, lamp bracket 9, fixed support 10, power line 11 to constitute by high-powered LED lamp 1, lampshade 2, LED aluminium base 3, heat radiation heat pipe 4, pressing plate 5, lamppost 6, heat radiation.
The described heat radiation lamp bracket of the utility model embodiment is a loop heat pipe.Rely on the phase transformation of hydraulic fluid that the heat that great power LED and led driver produced is passed through lamp stand, lamp bracket and the heat radiation of device on loop heat pipe help sheet effectively to be delivered in the ambient air.
All the other structures of the described high-power LED street lamp of the utility model embodiment are identical with aforesaid first example.
Embodiment three generalized sections of the present utility model as shown in Figure 3, the utility model embodiment provides a kind of high-power LED street lamp that utilizes heat pipe and lamp stand heat radiation, helps sheet 7, led driver 8, lamp bracket 9, fixed support 10, power line 11 to constitute by high-powered LED lamp 1, lampshade 2, LED aluminium base 3, heat radiation heat pipe 4, pressing plate 5, lamppost 6, heat radiation.
The described heat radiation lamp bracket of the utility model embodiment is a loop heat pipe.Rely on the phase transformation of hydraulic fluid to pass through lamp stand to the heat that great power LED and led driver produced, lamp bracket and the heat radiation of device on the loop heat pipe condensation segment help sheet effectively to be delivered in the ambient air.This design lamp stand top does not have radiated rib.
Described lamp bracket of the utility model embodiment and lamppost will have certain angle of inclination, to realize the smooth backflow of heat pipe hydraulic fluid, guarantee radiating effect.Last lamp bracket 8 should be greater than 10 degree with the angle of inclination of level, and the gradient of following lamp bracket and level should be greater than 2 degree.
All the other structures of the described high-power LED street lamp of the utility model embodiment are identical with aforesaid second example.
A kind of high-power LED street lamp that utilizes heat pipe, heat radiation to help sheet, lamp stand and lamp bracket to dispel the heat that the utility model embodiment provides.LED lamp holder, LED lampshade, LED lamppost, LED lamp stand, heat radiation heat pipe and heat radiation help the shape of sheet and compound mode according to different application situation and requirement a lot of selections can be arranged.Various variation on form and the details all falls in the protection domain of this patent.
At last, it is also to be noted that what more than enumerate only is specific embodiment of the utility model.Obviously, the utility model is not limited to above embodiment, and many distortion can also be arranged.All distortion that those of ordinary skill in the art can directly derive or associate from the disclosed content of the utility model all should be thought the protection domain of utility model.
What should be understood that is: the foregoing description is just to explanation of the present utility model, rather than to restriction of the present utility model, any utility model that does not exceed in the utility model connotation scope is created, and all falls within the protection domain of the present utility model.
Claims (7)
1. based on the high-power LED street lamp of composite heat pipe, comprise lamppost (6), lamp bracket (9), LED lamp (1), lampshade (2), LED aluminium base (3), led driver (8) and heat radiation heat pipe (4), it is characterized in that described heat radiation heat pipe (4) is obliquely installed on described lamp bracket (9), its evaporator section closely contacts with described LED aluminium base (3), and condensation segment is provided with heat radiation and helps sheet (7).
2. the high-power LED street lamp based on composite heat pipe as claimed in claim 1, the inclination angle that it is characterized in that described heat radiation heat pipe (4) and horizontal plane is greater than 10 degree.
3. the high-power LED street lamp based on composite heat pipe as claimed in claim 1 is characterized in that the condensation segment of described heat radiation heat pipe (4) extends on the lamppost (6).
4. the high-power LED street lamp based on composite heat pipe as claimed in claim 1 is characterized in that described heat radiation heat pipe (4) is a loop structure.
5. as any one described high-power LED street lamp of claim 1-4 based on composite heat pipe, it is characterized in that described LED lamp (1) is single LED lamp, or the assembly of plurality of LEDs lamp, or include single LEDs chip LED lamp or include a kind of LED lamp of LED lamp of many led chip module, or be no less than a kind of mixed type LED lamp of above-mentioned LED lamp.
6. as any one described high-power LED street lamp of claim 1-4 based on composite heat pipe, it is characterized in that described lamppost (6) is detachable lamppost, be divided into top lamppost and bottom lamppost, its middle and upper part lamppost connects lamp bracket (9), and bottom lamppost and top lamppost are fixing by the clamping element chucking.
7. the high-power LED street lamp based on composite heat pipe as claimed in claim 1 is characterized in that described heat radiation heat pipe (4) is fixed on described lamppost (6) and lamp bracket (9) inner surface, and its contact-making surface has good thermal coupling.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201976133U CN201582649U (en) | 2009-09-24 | 2009-09-24 | High-power LED street lamp based on composite heat pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201976133U CN201582649U (en) | 2009-09-24 | 2009-09-24 | High-power LED street lamp based on composite heat pipe |
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| Publication Number | Publication Date |
|---|---|
| CN201582649U true CN201582649U (en) | 2010-09-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009201976133U Expired - Fee Related CN201582649U (en) | 2009-09-24 | 2009-09-24 | High-power LED street lamp based on composite heat pipe |
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| Country | Link |
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| CN (1) | CN201582649U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102287791A (en) * | 2011-08-04 | 2011-12-21 | 沈阳立晶光电有限公司 | Light-emitting diode (LED) street lamp heat pipe radiating device with centrifugal condenser |
-
2009
- 2009-09-24 CN CN2009201976133U patent/CN201582649U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102287791A (en) * | 2011-08-04 | 2011-12-21 | 沈阳立晶光电有限公司 | Light-emitting diode (LED) street lamp heat pipe radiating device with centrifugal condenser |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: INVENTRONICS (HANGZHOU), INC. Free format text: FORMER NAME: AIDI PHOTOELECTRIC (HANGZHOU) CO., LTD. |
|
| CP01 | Change in the name or title of a patent holder |
Address after: Hangzhou City, Zhejiang province 310053 Binjiang District Dongxin Road No. 66 east city B, 309-311 communication Patentee after: LED ONE (Hangzhou) Co., Ltd. Address before: Hangzhou City, Zhejiang province 310053 Binjiang District Dongxin Road No. 66 east city B, 309-311 communication Patentee before: Aidi Photoelectric (Hangzhou) Co., Ltd. |
|
| ASS | Succession or assignment of patent right |
Owner name: ZHEJIANG THINKLUX LIGHTING TECHNOLOGY CO., LTD. Free format text: FORMER OWNER: INVENTRONICS (HANGZHOU), INC. Effective date: 20130327 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 310053 HANGZHOU, ZHEJIANG PROVINCE TO: 315002 HANGZHOU, ZHEJIANG PROVINCE |
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| TR01 | Transfer of patent right |
Effective date of registration: 20130327 Address after: Hangzhou City, Zhejiang province Binjiang District 315002 shore road 95 2 Building 3 layer Patentee after: Thinklux (Zhejiang) Lighting Technology Co., Ltd. Address before: Hangzhou City, Zhejiang province 310053 Binjiang District Dongxin Road No. 66 east city B, 309-311 communication Patentee before: LED ONE (Hangzhou) Co., Ltd. |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20151030 Address after: 528226, Guangdong Province, Nanhai District, Foshan province Luo village, Guangdong new light industry base A8 Building 5 floor Patentee after: New light sources re-invent industry center, associating Guangdong, Nanhai District Foshan City Address before: Hangzhou City, Zhejiang province Binjiang District 315002 shore road 95 2 Building 3 layer Patentee before: Thinklux (Zhejiang) Lighting Technology Co., Ltd. |
|
| 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: 20100915 Termination date: 20170924 |