CN201803246U - High-efficiency radiating light-emitting diode (LED) street lamp - Google Patents

High-efficiency radiating light-emitting diode (LED) street lamp Download PDF

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Publication number
CN201803246U
CN201803246U CN2010205545505U CN201020554550U CN201803246U CN 201803246 U CN201803246 U CN 201803246U CN 2010205545505 U CN2010205545505 U CN 2010205545505U CN 201020554550 U CN201020554550 U CN 201020554550U CN 201803246 U CN201803246 U CN 201803246U
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CN
China
Prior art keywords
led
ceramic substrate
street lamp
high
shell
Prior art date
Application number
CN2010205545505U
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Chinese (zh)
Inventor
孟强
Original Assignee
孟强
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.)
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Priority to CN2010205545505U priority Critical patent/CN201803246U/en
Application granted granted Critical
Publication of CN201803246U publication Critical patent/CN201803246U/en

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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
    • Y02B20/70—Used in particular applications
    • Y02B20/72—Used in particular applications in street lighting

Abstract

The utility model discloses a high-efficiency radiating light-emitting diode (LED) street lamp, which comprises a shell, a transparent lamp shade, a heat absorption copper plate, a ceramic substrate and an LED array. The upper part of the shell is provided with radiating fins and mounting holes, the transparent lamp shade is provided with a waterproof interface, the lower surface of the shell are fixedly provided with the heat absorption copper plate and the ceramic substrate in sequence, and the LED array is welded on the ceramic substrate and is connected with an external constant-current power supply via a wire passing through the waterproof interface. The LED is used as a light-emitting source, a radiator made of aluminum alloy extruded section is directly used as the shell of the LED street lamp, the ceramic substrate with high thermal conductivity is used as an LED radiating carrier, and the heat absorption copper plate is arranged between the ceramic substrate and the radiator, so that the heat sent by the LED can be radiated faster, and the accumulated heat of the LED can be reduced, thus the brightness decline of the LED can be effectively reduced, and the LED street lamp really has long service life.

Description

A kind of high-efficiency heat radiating LED street lamp

Technical field

The utility model relates to the LED lighting engineering, particularly a kind of high-efficiency heat radiating LED street lamp.

Background technology

Existing LED road lamp cooling mode generally adopts aluminium base to add Aluminium Radiator, and the quality of radiating effect is relevant with the thermal conductivity factor of the material that uses itself, and the high more radiating effect of thermal conductivity factor is good more, and thermal conductivity factor low heat emission effect more is more poor.Aluminium base is a kind of metal base circuit board material, its structure is divided three layers: by Copper Foil, heat conductive insulating layer and aluminum base plate are formed, the thermal conductivity factor of copper is 401W/ (m.K), the thermal conductivity factor of aluminium is 237W/ (m.K), and the heat conductive insulating layer generally to be the particular polymer that epoxy resin or ceramic dielectric are filled constitute, thermal conductivity factor is 2.2W/ (m.K), as seen there is the heat radiation bottleneck in aluminium base itself, vertically thermal conductivity factor has only 2.2W/ (m.K), the heat that can not rapidly LED be sent exports to Aluminium Radiator, the accumulation of these heats will cause the light decay of LED, influence the normal service life of LED street lamp.

Summary of the invention

The purpose of this utility model is to provide a kind of high-efficiency heat radiating LED street lamp, and it can solve prior art and exist high-power LED street lamp heat radiation bad and be directed at the problem that light decay appears in LED, and simple in structure, easy realization.

The utility model is achieved through the following technical solutions: a kind of high-efficiency heat radiating LED street lamp, comprise housing and Transparent lamp shade, and be provided with radiating fin above the housing, fixing successively heat absorption copper coin and ceramic substrate weld led array on the ceramic substrate below the housing.Described housing adopts aluminum alloy extrusion section bar, and thermal conductivity factor is 222W/ (m.K), and than die casting aluminium height, the thermal conductivity factor of die casting aluminium is about 100W/ (m.K).For guaranteeing good thermal conductivity, the substrate of fixed L ED adopts ceramic substrate, ceramic substrate is also named alumina ceramic-base copper-clad plate (DCB), be meant that Copper Foil at high temperature is bonded directly to a kind of composite base plate on aluminium oxide (AL2O3) or aluminium nitride (ALN) ceramic substrate surface, it has excellent electric insulation and high-termal conductivity, and current capacity is big, the mechanical strength height, its thermal conductivity factor reaches 24W/ (m.K), and more than 10 times, radiating effect significantly improves than aluminium base plate hight.

For further realizing the purpose of this utility model, also adopted following technical scheme: between ceramic substrate and housing (radiator), add the thick fine copper plate of 5mm, heat sink as radiator, the size of copper coin is consistent with the ceramic substrate size, heat sink for radiator, copper is compared remarkable advantages with aluminium: the thermal conductivity factor of copper is 412W/ (m.K), 237W/ (m.K) than aluminium has improved 1 times nearly, this means the cross-sectional area that same contact area is same, the heat transmission of copper is than fast many of aluminium, the heat that can send LED fast siphons away from ceramic substrate, transfers on the fin, has further strengthened radiating effect.

Good effect of the present utility model is: it with LED as light emitting source, adopt the aluminum alloy extrusion section bar radiator directly as the housing of LED street lamp, with ceramic substrate as the LED carrier that dispels the heat, and between ceramic substrate and radiator, add the heat absorption copper coin, the heat that LED is sent is derived faster, reduce the thermal accumlation of LED, thereby reduce the light decay of LED effectively, the LED street lamp is really accomplished the long-life.

Description of drawings

Accompanying drawing is a structural representation of the present utility model.

The specific embodiment

As shown in the figure, a kind of high-efficiency heat radiating LED street lamp described in the utility model, comprise housing 1, Transparent lamp shade 2, heat absorption copper coin 3, ceramic substrate 4 and led array 5, its middle shell 1 top is provided with radiating fin 6 and installing hole 7, Transparent lamp shade 2 is provided with waterproof interface 8, fixing successively heat absorption copper coin 3 and ceramic substrate 4 below the housing 1, welding led array 5 on the ceramic substrate 4, led array 5 passes waterproof interface 8 by lead and is connected with the constant-current supply of outside, why constant-current supply is not located at enclosure interior or two reasons is arranged above the housing: one, also want the evolution of heat during constant-current supply work, this can increase the temperature of housing; Its two, when constant-current supply breaks down when needing maintenance, must could dismounting, and constant-current supply is installed in the terminal box of lamp stand bottom and can avoids the problems referred to above by hoistable platform.When the utility model uses, process each parts and assembling by above-mentioned requirements.

The utility model not technology contents of detailed description is known technology.

Claims (4)

1. high-efficiency heat radiating LED street lamp, comprise housing (1), Transparent lamp shade (2), heat absorption copper coin (3), ceramic substrate (4) and led array (5), it is characterized in that: described housing adopts aluminum alloy extrusion section bar, is provided with radiating fin (6) and installing hole (7) above the housing.
2. according to the described a kind of high-efficiency heat radiating LED street lamp of claim 1, it is characterized in that: be provided with heat absorption copper coin (3) between housing (1) and the ceramic substrate (4).
3. according to the described a kind of high-efficiency heat radiating LED street lamp of claim 1, it is characterized in that: ceramic substrate (4) is gone up welding led array (5).
4. according to the described a kind of high-efficiency heat radiating LED street lamp of claim 1, it is characterized in that: housing (1) bottom is provided with Transparent lamp shade (2).
CN2010205545505U 2010-10-11 2010-10-11 High-efficiency radiating light-emitting diode (LED) street lamp CN201803246U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2010205545505U CN201803246U (en) 2010-10-11 2010-10-11 High-efficiency radiating light-emitting diode (LED) street lamp

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2010205545505U CN201803246U (en) 2010-10-11 2010-10-11 High-efficiency radiating light-emitting diode (LED) street lamp

Publications (1)

Publication Number Publication Date
CN201803246U true CN201803246U (en) 2011-04-20

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Application Number Title Priority Date Filing Date
CN2010205545505U CN201803246U (en) 2010-10-11 2010-10-11 High-efficiency radiating light-emitting diode (LED) street lamp

Country Status (1)

Country Link
CN (1) CN201803246U (en)

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102588865A (en) * 2012-01-10 2012-07-18 厦门永华实业有限公司 LED solar streetlamp
CN102777809A (en) * 2011-05-12 2012-11-14 深圳市华思科技股份有限公司 Aluminum oxide ceramic LED (light-emitting diode) streetlamp and production method thereof
WO2013007195A1 (en) * 2011-07-11 2013-01-17 东莞巨扬电器有限公司 High-power led illumination device
CN105222106A (en) * 2015-09-28 2016-01-06 常州市日发精密机械厂 Heat absorbing type lampshade
CN105805607A (en) * 2014-12-31 2016-07-27 许孙 Detachable mechanical seal LED lighting device
CN105953145A (en) * 2016-07-04 2016-09-21 广州市浩洋电子有限公司 Efficient heat-dissipation waterproof stage lamp
CN106641860A (en) * 2015-11-04 2017-05-10 许孙 Large-power LED streetlamp with efficient heat dissipation structure
CN106678603A (en) * 2015-11-04 2017-05-17 许孙 LED street lamp with heat radiation structure
CN107645827A (en) * 2017-09-20 2018-01-30 苏州三冷暖工程有限公司 A kind of high radiating progressive metal-layer structure of level

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102777809A (en) * 2011-05-12 2012-11-14 深圳市华思科技股份有限公司 Aluminum oxide ceramic LED (light-emitting diode) streetlamp and production method thereof
WO2013007195A1 (en) * 2011-07-11 2013-01-17 东莞巨扬电器有限公司 High-power led illumination device
CN102588865A (en) * 2012-01-10 2012-07-18 厦门永华实业有限公司 LED solar streetlamp
CN105805607A (en) * 2014-12-31 2016-07-27 许孙 Detachable mechanical seal LED lighting device
CN105222106A (en) * 2015-09-28 2016-01-06 常州市日发精密机械厂 Heat absorbing type lampshade
CN106641860A (en) * 2015-11-04 2017-05-10 许孙 Large-power LED streetlamp with efficient heat dissipation structure
CN106678603A (en) * 2015-11-04 2017-05-17 许孙 LED street lamp with heat radiation structure
CN105953145A (en) * 2016-07-04 2016-09-21 广州市浩洋电子有限公司 Efficient heat-dissipation waterproof stage lamp
WO2018006621A1 (en) * 2016-07-04 2018-01-11 广州市浩洋电子股份有限公司 Efficient heat-dissipating waterproof stage lamp
CN105953145B (en) * 2016-07-04 2019-04-12 广州市浩洋电子股份有限公司 A kind of waterproof stage lighting of high efficiency and heat radiation
CN107645827A (en) * 2017-09-20 2018-01-30 苏州三冷暖工程有限公司 A kind of high radiating progressive metal-layer structure of level
CN107645827B (en) * 2017-09-20 2019-12-10 苏州三一冷暖工程有限公司 High heat dissipation level progressive metal layer structure

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Free format text: CORRECT: ADDRESS; FROM: 250033 JINAN, SHANDONG PROVINCE TO: 050001 SHIJIAZHUANG, HEBEI PROVINCE

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Owner name: HEBEI XINGHUO LIGHTING CO., LTD.

Free format text: FORMER OWNER: MENG QIANG

Effective date: 20120424

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Effective date of registration: 20120424

Address after: 050001 Hebei province Shijiazhuang city Zhongshan Road East Building 13 Chinese business

Patentee after: Hebei spark Lighting Co., Ltd.

Address before: West Luohe Road Flyover District of Shandong city in Ji'nan province 250033 No. 9 No. 1 Building 2 unit 201 room

Patentee before: Meng Qiang

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Addressee: Kang Shican

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Address after: 8 C building, floor 215, Jia Jia building, No. 050018 West Zhongshan Road, Hebei, Shijiazhuang province (Hebei spark lighting Limited by Share Ltd)

Patentee after: Hebei Xinghuo Lighting Co., Ltd.

Address before: 050001 Hebei province Shijiazhuang city Zhongshan Road East Building 13 Chinese business

Patentee before: Hebei spark Lighting Co., Ltd.

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