CN101382271A - Heat radiating device of road lamp - Google Patents

Heat radiating device of road lamp Download PDF

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Publication number
CN101382271A
CN101382271A CNA2007100769004A CN200710076900A CN101382271A CN 101382271 A CN101382271 A CN 101382271A CN A2007100769004 A CNA2007100769004 A CN A2007100769004A CN 200710076900 A CN200710076900 A CN 200710076900A CN 101382271 A CN101382271 A CN 101382271A
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CN
China
Prior art keywords
heat
radiator
road lamp
aluminum base
fin
Prior art date
Application number
CNA2007100769004A
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Chinese (zh)
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CN100575780C (en
Inventor
范宝平
鲁煌辉
肖从清
杨宁
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深圳市九洲光电子有限公司
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Priority to CN200710076900A priority Critical patent/CN100575780C/en
Publication of CN101382271A publication Critical patent/CN101382271A/en
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Publication of CN100575780C publication Critical patent/CN100575780C/en

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    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02BCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B20/00Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
    • Y02B20/72Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps in street lighting

Abstract

The invention discloses a road lamp radiating device, which comprises an outer shell, an aluminum base PCB board and illuminating elements that are welded on the aluminum base PCB board; wherein, a plurality of radiators are arranged inside the outer shell, an inverted groove is arranged at the upper part of one axial end of the radiator, while a neck is arranged at the lower part of the axial end; a convex snap pillar is arranged on the lower part of the other axial end, and adjacent radiators are embedded in the neck in a locking way by the convex snap pillar and radiating fins are embedded in the inverted groove in the locking way and connected together. Compared with the prior art, the road lamp radiating device adopts a plurality of identical radiators that are connected in a mutually embedded locking way, the upper surface of a heat-conducting substrate on the radiator is the radiating fin, while the lower surface is clung on the aluminum base PCB board, thus absorbing the heat generated by the lighting of the LED and transmitting the heat from the heat-conducting substrate to the radiating fin. The radiator of the road lamp radiating device has unique design and novel conception, and the combination way between the same radiators not only is simple and compact, but also greatly lowers production cost.

Description

Heat radiating device of road lamp
Technical field:
The present invention relates to the street lamp of road lighting, 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.
Summary of the invention:
For solving the high-power LED street lamp heat dissipation problem, the object of the present invention is to provide a kind of heat radiating device of road lamp, thereby the heat energy that the LED lamp is produced exhales enough in time.
For achieving the above object, the present invention 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 among the present invention, 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 among the present invention, the compound mode between the identical radiator are not only simple compact, and greatly reduce production cost.
Description of drawings:
Fig. 1 is a street lamp schematic perspective view of the present invention.
Fig. 2 is a street lamp internal structure schematic diagram of the present invention.
Fig. 3 is a radiator of the present invention 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 present invention is described in further details.
See also Fig. 1~shown in Figure 2, LED heat radiating device of road lamp of the present invention, 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 a radiator of the present invention 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 among the present invention, 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 among the present invention, 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 among the present invention, 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 present invention is described in detail, used specific case herein principle of the present invention and embodiment are set forth, the explanation of above embodiment just is used for helping to understand method of the present invention and core concept thereof; Simultaneously, for one of ordinary skill in the art, according to thought of the present invention, the part that all can change in specific embodiments and applications, in sum, this description should not be construed as limitation of the present invention.

Claims (5)

1, a kind of 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).
CN200710076900A 2007-09-07 2007-09-07 Heat radiating device of road lamp CN100575780C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN200710076900A CN100575780C (en) 2007-09-07 2007-09-07 Heat radiating device of road lamp

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN200710076900A CN100575780C (en) 2007-09-07 2007-09-07 Heat radiating device of road lamp

Publications (2)

Publication Number Publication Date
CN101382271A true CN101382271A (en) 2009-03-11
CN100575780C CN100575780C (en) 2009-12-30

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Application Number Title Priority Date Filing Date
CN200710076900A CN100575780C (en) 2007-09-07 2007-09-07 Heat radiating device of road lamp

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Country Link
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Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102330944A (en) * 2011-09-28 2012-01-25 苏州晶雷光电照明科技有限公司 Multi-functional road post lamp
CN102454965A (en) * 2010-10-19 2012-05-16 魏江明 Array type natural convection high-power light emitting diode (LED) radiator
CN102767810A (en) * 2012-07-23 2012-11-07 佑图物理应用科技发展(武汉)有限公司 High-power LED (light-emitting diode) lamp radiator
CN103527956A (en) * 2013-10-24 2014-01-22 伊川县宇光新能源照明开发有限公司 LED lamp set
CN103763810A (en) * 2013-10-17 2014-04-30 永磁电子(东莞)有限公司 LED-lamp infrared control device
CN104482518A (en) * 2014-12-16 2015-04-01 袁静 Heat sink for LED (light-emitting diode) streetlamps
CN105485633A (en) * 2014-09-16 2016-04-13 佰鸿工业股份有限公司 Lamp device
CN107532792A (en) * 2015-04-30 2018-01-02 豪倍公司 Modularization area illumination utensil
CN108361588A (en) * 2018-02-07 2018-08-03 扬州市优壹光电有限公司 A kind of LED illumination System of high efficiency and heat radiation

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102454965A (en) * 2010-10-19 2012-05-16 魏江明 Array type natural convection high-power light emitting diode (LED) radiator
CN102330944A (en) * 2011-09-28 2012-01-25 苏州晶雷光电照明科技有限公司 Multi-functional road post lamp
CN102767810A (en) * 2012-07-23 2012-11-07 佑图物理应用科技发展(武汉)有限公司 High-power LED (light-emitting diode) lamp radiator
CN102767810B (en) * 2012-07-23 2014-07-09 佑图物理应用科技发展(武汉)有限公司 High-power LED (light-emitting diode) lamp radiator
CN103763810A (en) * 2013-10-17 2014-04-30 永磁电子(东莞)有限公司 LED-lamp infrared control device
CN103527956A (en) * 2013-10-24 2014-01-22 伊川县宇光新能源照明开发有限公司 LED lamp set
CN103527956B (en) * 2013-10-24 2015-08-26 伊川县宇光新能源照明开发有限公司 A kind of LED module
CN105485633A (en) * 2014-09-16 2016-04-13 佰鸿工业股份有限公司 Lamp device
CN104482518A (en) * 2014-12-16 2015-04-01 袁静 Heat sink for LED (light-emitting diode) streetlamps
CN107532792A (en) * 2015-04-30 2018-01-02 豪倍公司 Modularization area illumination utensil
CN108361588A (en) * 2018-02-07 2018-08-03 扬州市优壹光电有限公司 A kind of LED illumination System of high efficiency and heat radiation

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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

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