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《Chinese Optics》 2012-05
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Design of combined reflectors used in LED street lamps

ZHAO Ya-hui,FAN Chang-jiang (Institute of Information Optics,Zhejiang Normal University,Jinhua 321004,China)  
A combined reflector for Light Emitting Diode(LED) street lamps is designed to produce a rectangular light spot and uniform lighting in the road,as well as having a simple structure and high light efficiency.Based on the principles of non-imaging optics and mechanical design software,a segmented compound parabolic reflector was designed.The reflecting beams of light from the reflector have an approximately rectangular distribution while the light efficiency can reach 96%.The analysis and simulation results show that the uniformity of illuminance can reach 0.5 over an area of 10 m×30 m when the LED lamp is installed at a height of 10 m.The reflector design when applied to shaping the LED beam into the rectangle shape has a high optical efficiency and low costs.The simulation results show that it can satisfy the current requirement for road lighting.
【Fund】: 浙江省自然科学基金资助项目(No.Y1100524);; 浙江师范大学创新团队和浙江师范大学博士启动基金资助项目(No.zc304009158)
【CateGory Index】: TN312.8
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【Citations】
Chinese Journal Full-text Database 6 Hits
1 WANG Hong1,2,ZHANG Qi-hui1,2,ZHANG Xiao-fan1,2,WANG Hai-hong1,2 ( 1. Guangdong University Engineering Research Center for Semiconductor Lighting,Guangzhou 510640,China; 2. School of Science,South China University of Technology,Guangzhou 510640,China );Freeform Reflector Design for Street Uniform Illumination[J];Opto-Electronic Engineering;2009-12
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【Co-citations】
Chinese Journal Full-text Database 10 Hits
1 SITU Wenchang1,HAN Yanjun1,FENG Zexin1,LI Hongtao1,LUO Yi1,2(1.State Key Laboratory.on Integrated Optoelectronics,Department of Electronic Engineering,Tsinghua University,Beijing 100084,CHN;2.Semiconductor Lighting laboratory,Graduate School at Shenzhen, Tsinghua University,Shenzhen 518055,CHN);Effect of Freeform Optical System on the Color Temperature Angular Distribution of White Light LED[J];Semiconductor Optoelectronics;2011-06
2 CHEN Jia-qi,ZOU Nian-yu,ZHANG Yun-cui,HE Xiao-yang,LI De-sheng(Research Institute of Photonics,Dalian Polytechnic University,Dalian 116034,China);General design of secondary optical lens in LED lighting[J];Journal of Dalian Polytechnic University;2012-03
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6 HU Rong-hua,YU Ming,LIU Guo-ping ( Institute of Mechanical and Electrical, Nan Chang University, Nanchang 330031, China );Lighting System Analysis of Visual Inspection of Strip-surface Scratch Defects[J];Opto-Electronic Engineering;2010-12
7 Ma Xiao,Chen Li,Lei Liang,Lin Qing-hua,Xu Huan-kun(Faculty of Physics and Optoelectronic Engineering,Guangdong University of Technology,Guangzhou 510006,China);Design and Simulation of One LED Illumination System in Reading and Writing[J];Journal of Guangdong University of Technology;2010-03
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9 ZHANG Hai-jin1,WANG Jin-yu2(1.Northeast Research Institute of Electronics Technology,Jinzhou 121000,China;2.Mechanical Engineer College,Shijiazhuang 050003,China);Anti-interference Imaging System Based on 940nm Active Infrared Illumination[J];Electro-Optic Technology Application;2009-01
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【Secondary Citations】
Chinese Journal Full-text Database 10 Hits
1 ZHENG Hong-Fei~1 TAO Tao~1 HE Kai-Yan~(1,2) CHEN Zi-Qian~(1,2) (1.School of Mechanical and Vehicular Engineering,Beijing Institute of Technology,Beijing 100081,China; 2.School of Physical Science and Technology,Guangxi University,Nanning 530004,China);THE SEVERAL METHODS AND RESULT COMPARISON OF INCREASING THE MAXIMUM CONCENTRATION ANGLE OF COMPOUND PARABOLIC CONCENTRATOR(CPC)[J];Journal of Engineering Thermophysics;2008-09
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