CN201074795Y - Street lamp cooling device - Google Patents

Street lamp cooling device Download PDF

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Publication number
CN201074795Y
CN201074795Y CNU2007201717248U CN200720171724U CN201074795Y CN 201074795 Y CN201074795 Y CN 201074795Y CN U2007201717248 U CNU2007201717248 U CN U2007201717248U CN 200720171724 U CN200720171724 U CN 200720171724U CN 201074795 Y CN201074795 Y CN 201074795Y
Authority
CN
China
Prior art keywords
heat
radiators
radiator
pcb plate
utility
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CNU2007201717248U
Other languages
Chinese (zh)
Inventor
范宝平
鲁煌辉
肖从清
杨宁
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shenzhen Jiuzhou Optoelectronics Technology Co Ltd
Original Assignee
SHENZHEN JIUZHOU PHOTOELECTRON CO Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by SHENZHEN JIUZHOU PHOTOELECTRON CO Ltd filed Critical SHENZHEN JIUZHOU PHOTOELECTRON CO Ltd
Priority to CNU2007201717248U priority Critical patent/CN201074795Y/en
Application granted granted Critical
Publication of CN201074795Y publication Critical patent/CN201074795Y/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V29/00—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
    • F21V29/50—Cooling arrangements
    • F21V29/70—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks
    • F21V29/74—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks with fins or blades
    • F21V29/76—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks with fins or blades with essentially identical parallel planar fins or blades, e.g. with comb-like cross-section
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S8/00—Lighting devices intended for fixed installation
    • F21S8/08—Lighting devices intended for fixed installation with a standard
    • F21S8/085—Lighting devices intended for fixed installation with a standard of high-built type, e.g. street light
    • F21S8/086—Lighting devices intended for fixed installation with a standard of high-built type, e.g. street light with lighting device attached sideways of the standard, e.g. for roads and highways
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21W—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO USES OR APPLICATIONS OF LIGHTING DEVICES OR SYSTEMS
    • F21W2131/00—Use or application of lighting devices or systems not provided for in codes F21W2102/00-F21W2121/00
    • F21W2131/10—Outdoor lighting
    • F21W2131/103—Outdoor lighting of streets or roads
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
    • F21Y2115/00—Light-generating elements of semiconductor light sources
    • F21Y2115/10—Light-emitting diodes [LED]
    • 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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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Road Signs Or Road Markings (AREA)
  • Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)

Abstract

The utility model discloses a road lamp heat abstractor, which comprises an outer casing, an aluminum-based PCB plate and an illuminating element which is welded on the aluminum-based PCB plate, wherein a plurality of radiators are arranged in the outer casing, the upper portions of axial lateral ends of the radiators are provided with inversed grooves, and the lower portions are provided with clamping channels, and the lower portions of another axial lateral ends are provided with raised clamping poles, the adjacent radiators are clamped and embedded in the clamping channels through the raised clamping poles and radiating fins are clamped and embedded in the reversed grooves to be connected together. Compared with the prior art, the utility model adopts a plurality of radiators which are the same and are connected together in a camping and embedding way, the upper surfaces of thermal conducting substrates on the radiators are radiating fins, the lower surfaces are clung to the aluminum-based PCB plate to absorb heat which is produced by the LED which emits light, and the heat is transferred to the radiating fins through the thermal conducting substrates. The designs of the radiators of the utility model are unique, the conception is novel, the combing mode between the same radiators is not only simple and compact, but also the combing mode largely reduces production cost.

Description

Heat radiating device of road lamp
Technical field:
The utility model relates to the street lamp of road lighting, and what be specifically related to is a kind of high-power LED street lamp, especially a kind of heat abstractor of high-power LED street lamp.
Background technology:
Modern city requires the bright lamp rate of street lamp more than 98%, if the street lamp cisco unity malfunction not only influences the image in city, also can cause the traffic safety accident.Road lighting lamp is to use the lamp that the time is the longest and power consumption is maximum, and the luminescent device that general street lamp adopts is a bulb, and it has, and power consumption is big, service life is short, heating is serious and shortcomings such as illuminating effect difference.
In order to alleviate the urban electric power energy scarcity, to save national energy, gradually adopt now that power consumption is little, long service life, voltage is low, electric current is little high-powered LED lamp replace original bulb, but because high-powered LED lamp is when luminous, can produce a large amount of heat, if can not in time dispel the heat, then may cause the LED lamp to damage, influence road lighting.
Prior radiating structure is generally an integral body, only is directed to corresponding illuminating device, for the lamp group that a plurality of LED form, needs to adopt a plurality of radiators, so not only can increase the heat radiation cost, also can produce problems such as radiating effect is poor, installation complexity.
The utility model content:
For solving the high-power LED street lamp heat dissipation problem, the purpose of this utility model is to provide a kind of heat radiating device of road lamp, thereby the heat energy that the LED lamp is produced enough in time exhales.
For achieving the above object, the utility model adopts following technical scheme:
A kind of heat radiating device of road lamp comprises shell, aluminum base PCB plate and is welded on illumination component on the aluminum base PCB plate that wherein enclosure is provided with a plurality of radiators, and the top of this radiator one axial side is provided with one and is inverted groove, and the bottom is provided with a draw-in groove; The bottom of another axial side is provided with a projection card post, links together in being inverted groove in draw-in groove and with the fin inlay card by projection card post inlay card between the adjacent radiator.
Described radiator has a heat-conducting substrate, and this upper surface of base plate is distributed with a plurality of fin, and forms air duct between the adjacent fin.
Described heat-conducting substrate lower surface and aluminum base PCB plate are fitted by heat conductive silica gel, to absorb the heat of its generation.
Described illumination component is a great power LED.
Also be provided with a fixing hole on the fin in the middle of the described radiator, radiator can be fixed in the shell by this fixing hole and fixed head.
The mutual inlay card of a plurality of identical radiators links together in the utility model, and the upper surface of heat-conducting substrate is a fin on the radiator, and lower surface and aluminum base PCB plate are close to, and absorbing the heat of the luminous generation of LED, and heat is delivered to fin by heat-conducting substrate.Fansink designs uniqueness, novel in the utility model, the compound mode between the identical radiator are not only simple compact, and greatly reduce production cost.
Description of drawings:
Fig. 1 is the utility model street lamp schematic perspective view.
Fig. 2 is the utility model street lamp internal structure schematic diagram.
Fig. 3 is the utility model radiator side cutaway view.
Identifier declaration among the figure: shell 1, protecgulum 101, left lid 102, right lid 103, top cover 104, bonnet 105, fixed arm 106, LED lamp 2, radiator 3, projection are blocked post 301, draw-in groove 302, fin 303, are inverted groove 304, fixing hole 305, heat-conducting substrate 306, water bar 307, aluminum base PCB plate 4, fixed head 5.
The specific embodiment:
Below in conjunction with the drawings and specific embodiments the utility model is described in further details.
See also Fig. 1～shown in Figure 2, LED heat radiating device of road lamp described in the utility model, include shell 1, aluminum base PCB plate 4 and be welded on high-powered LED lamp 2 on the aluminum base PCB plate 4, wherein shell 1 mainly is to be spliced by protecgulum 101, left side lid 102, right lid 103, top cover 104 and bonnet 105, bonnet 105 is connected with fixed arm 106, and fixed arm 106 forms the air channel by bonnet 105 and lamp holder internal communication, the draught head that mainly utilizes the temperature difference on lamp holder internal temperature and road surface to cause, form air-flow, strengthen the heat-exchange capacity of lamp body, so that heat radiation.Wherein lamp outer casing adopts die casting aluminium to make here, and in order to alleviate the weight of lamp holder, top cover 104 adopts plastics to make.
As shown in Figure 2, the inside of shell 1 is provided with three radiators 3, wherein the lower end of each radiator 3 all is close to and is fixed with aluminum base PCB plate 4, and scribble heat conductive silica gel between the two, so that heat can in time be led away, be welded with a plurality of LED lamps here on the aluminum base PCB plate 4, and with every 25w as a module, adopt three modules to be spliced among Fig. 2, form the street lamp of 75W.In addition, for the ease of fixed heat sink 3, respectively be provided with a fixed head 5 in its rear and front end, radiator 3 is connected with bonnet 105 with protecgulum 101 respectively by fixed head 5.
As shown in Figure 3, Fig. 3 is the utility model radiator side cutaway view.Wherein radiator 3 has a heat-conducting substrate 306, these heat-conducting substrate 306 upper surfaces are distributed with a plurality of fin 303, and form air duct between the adjacent fin 303, can form convection current with outside air, the heat that produces can be derived rapidly by these air ducts; The lower surface of heat-conducting substrate 306 and above-mentioned aluminum base PCB plate 4 are close to, so that absorb the heat of its generation, both sides vertically at the lower surface of heat-conducting substrate 306 also are provided with water bar 307, this water bar 307 can prevent effectively that rainwater from entering aluminum base PCB plate 4, thereby can avoid LED to damage.In addition, radiator 3 is positioned at shell 1 inside with certain angle of inclination in the utility model, and when rainwater weather occurring, the rainwater that enters shell 1 then can be discharged by the air duct on the radiator 3, to reach the waterproof purpose.
Include a plurality of radiators 3 in the utility model, be connected together mutually between the wherein adjacent radiator 3.As shown in Figure 3, wherein the top of radiator 3 one axial sides is provided with one and is inverted groove 304, and the bottom is provided with a draw-in groove 302; And the bottom of its another axial side is provided with a projection card post 301, wherein when assembling, two radiators 3 are lain in together, and the inversion groove 304 and draw-in groove 302 opposite positions that make projection card post 301 on second radiator and fin 303 be in first radiator, make the two inlay card then together.
Also be provided with a fixing hole 305 on the fin in the middle of the radiator 3, by this fixing hole 305 radiator 3 be connected with fixed head 5, and make three connections between the radiator more firm by fixed head 5.
Radiator adopts mutual inlay card ways of connecting in the utility model, be connected and fixed more simple and convenient each other, and the aluminum base PCB plate is close on the radiator heat-conducting substrate, and the heat that produces when making LED luminous can be derived timely and conveniently, can effectively guarantee the operate as normal of LED.
More than a kind of heat radiating device of road lamp provided by the utility model is described in detail, used specific case herein principle of the present utility model and embodiment are set forth, the explanation of above embodiment just is used for helping to understand method of the present utility model and core concept thereof; Simultaneously, for one of ordinary skill in the art, according to thought of the present utility model, the part that all can change in specific embodiments and applications, in sum, this description should not be construed as restriction of the present utility model.

Claims (5)

1. heat radiating device of road lamp, comprise shell (1), aluminum base PCB plate (4) and be welded on illumination component (2) on the aluminum base PCB plate (4), it is characterized in that: shell (1) inside is provided with a plurality of radiators (3), the top of these radiator (3) one axial sides is provided with one and is inverted groove (304), and the bottom is provided with a draw-in groove (302); The bottom of another axial side is provided with a projection card post (301), between the adjacent radiator by projection card post (301) inlay card in draw-in groove (302) and fin (303) inlay card in inversion groove (304), link together.
2. heat radiating device of road lamp according to claim 1 is characterized in that: described radiator (3) has a heat-conducting substrate (306), and this upper surface of base plate is distributed with a plurality of fin (303), and forms air duct between the adjacent fin (303).
3. heat radiating device of road lamp according to claim 1 is characterized in that: described heat-conducting substrate (306) lower surface and aluminum base PCB plate (4) are fitted by heat conductive silica gel, to absorb the heat of its generation.
4. heat radiating device of road lamp according to claim 1 is characterized in that: described illumination component (2) is a great power LED.
5. heat radiating device of road lamp according to claim 1, it is characterized in that: also be provided with a fixing hole (305) on the fin (303) in the middle of the described radiator (3), radiator (3) can be fixed in the shell (1) by this fixing hole (305) and fixed head (5).
CNU2007201717248U 2007-09-07 2007-09-07 Street lamp cooling device Expired - Fee Related CN201074795Y (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CNU2007201717248U CN201074795Y (en) 2007-09-07 2007-09-07 Street lamp cooling device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CNU2007201717248U CN201074795Y (en) 2007-09-07 2007-09-07 Street lamp cooling device

Publications (1)

Publication Number Publication Date
CN201074795Y true CN201074795Y (en) 2008-06-18

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Application Number Title Priority Date Filing Date
CNU2007201717248U Expired - Fee Related CN201074795Y (en) 2007-09-07 2007-09-07 Street lamp cooling device

Country Status (1)

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CN (1) CN201074795Y (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2009091233A1 (en) * 2008-01-15 2009-07-23 Laura Patricia Vargas Maciel High-power directional led light fitting
CN101392874B (en) * 2008-09-03 2012-11-28 深圳市索佳光电实业有限公司 High-power LED lamp with high heat radiation, high constant current and wide angle projection facula
CN101790263B (en) * 2009-01-22 2012-12-26 陈鸿 Heat dissipation fault warning method of LED lamp and heat dissipating device
CN104033751A (en) * 2013-03-08 2014-09-10 极致科技股份有限公司 LED lamp having heat dissipation function

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2009091233A1 (en) * 2008-01-15 2009-07-23 Laura Patricia Vargas Maciel High-power directional led light fitting
CN101392874B (en) * 2008-09-03 2012-11-28 深圳市索佳光电实业有限公司 High-power LED lamp with high heat radiation, high constant current and wide angle projection facula
CN101790263B (en) * 2009-01-22 2012-12-26 陈鸿 Heat dissipation fault warning method of LED lamp and heat dissipating device
CN104033751A (en) * 2013-03-08 2014-09-10 极致科技股份有限公司 LED lamp having heat dissipation function
CN104033751B (en) * 2013-03-08 2016-08-24 极致科技股份有限公司 There is the LED lamp of heat sinking function

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Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
EE01 Entry into force of recordation of patent licensing contract

Assignee: Sichuan Jiuzhou Optoelectronics Technology Co., Ltd.

Assignor: Shenzhen Jiuzhou Photoelectron Co., Ltd.

Contract fulfillment period: 2009.9.9 to 2017.9.6

Contract record no.: 2009440001753

Denomination of utility model: Heat radiating device for high-power LED street lamp

Granted publication date: 20080618

License type: Exclusive license

Record date: 20091028

LIC Patent licence contract for exploitation submitted for record

Free format text: EXCLUSIVE LICENSE; TIME LIMIT OF IMPLEMENTING CONTACT: 2009.9.9 TO 2017.9.6; CHANGE OF CONTRACT

Name of requester: SICHUAN JIUZHOU OPTOELECTRONICS CO.,LTD

Effective date: 20091028

ASS Succession or assignment of patent right

Owner name: SHENZHEN JIUZHOU PHOTONICS TECHNOLOGY CO., LTD.

Free format text: FORMER OWNER: SHENZHEN JIUZHOU PHOTOELECTRON CO., LTD.

Effective date: 20100917

C41 Transfer of patent application or patent right or utility model
COR Change of bibliographic data

Free format text: CORRECT: ADDRESS; FROM: 518000 BUILDING 7, SHAERLANTIAN SCI-TECH PARK, DITANG ROAD, SHAJING TOWN, BAOAN DISTRICT, SHENZHEN CITY, GUANGDONG PROVINCE TO: 518000 1, BUILDING 1, JIUZHOU INDUSTRIAL PARK, ZHENTANG ROAD 1, GUANGMING NEW DISTRICT, SHENZHEN CITY, GUANGDONG PROVINCE, 2/F

TR01 Transfer of patent right

Effective date of registration: 20100917

Address after: 518000, Guangdong, Shenzhen Guangming New District, Tong Tong Road, Jiuzhou Industrial Park, building No. one or two

Patentee after: Shenzhen Jiuzhou Optoelectronics Technology Co., Ltd.

Address before: 518000 Guangdong city of Shenzhen province Baoan District Shajing Town Hall Dili Lu Sha two Lantian Science Park 7

Patentee before: Shenzhen Jiuzhou Photoelectron Co., Ltd.

C17 Cessation of patent right
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20080618

Termination date: 20130907