基于离散扩展光源的LED路灯设计
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摘要
本文设计了由多个离散排布的扩展光源与单个透镜组合而成的LED路灯。其透镜的内表面进行了特有的磨砂处理,保证了离散光源出光光斑的均匀性。热学分析结果表明,在同样的功率下,该光源设计能有效地降低灯具模组的结温。道路照明分析验证了打样实测的配光曲线,结果表明该款路灯能满足国家道路照明的要求。这种基于低成本的离散扩展光源的LED路灯设计方案,能更好地在成本和产品稳定性之间取得平衡,为性价比高的LED照明产品设计提供参考。
This paper proposes a LED road light with discrete extended light sources and a single lens. The inner face of the LED lens is ground by special technology and it keeps the uniformity of the light distribution. With the same power supply,the thermal analysis results show that this design can lower the junction temperature of the module of the lamp efficiently. The measured IES is tested with DIALux and the result shows that this IES meets the standard for lighting design of urban road. The optical design based on discrete expended source strikes a balance between cost and product stability,and provides a reference for LED lamp with high function-price ratio.
This paper proposes a LED road light with discrete extended light sources and a single lens. The inner face of the LED lens is ground by special technology and it keeps the uniformity of the light distribution. With the same power supply,the thermal analysis results show that this design can lower the junction temperature of the module of the lamp efficiently. The measured IES is tested with DIALux and the result shows that this IES meets the standard for lighting design of urban road. The optical design based on discrete expended source strikes a balance between cost and product stability,and provides a reference for LED lamp with high function-price ratio.
引文
[1]邹吉平,李丽,解全花,等.LED道路照明灯具配光设计的误区分析——照度均匀性并非亮度均匀性[J].照明工程学报,2009,20(增刊):46-58.
[2]梁文跃,李远兴,龙拥兵,等.板上芯片型LED光源均匀照明自由曲面透镜镜设计[J]激光与光电子学进展,2017,(1):217.
[3]蔡雯君,张哲娟,孙桌.荧光粉发光层对白光LED平面光源发光特性的影响[J].半导体光电,2017,(1):36.
[4]张剑平,文尚胜,陈育.基于金属基板与陶瓷基板的COB LED散热性能分析[J].中国照明电器,2016,(10):10-12.
[5]刘磊实.城市道路照明设计中失能眩光的计算与控制[J].照明工程学报,2008,19(1):77-80.
[6]北京照明学会照明设计专业委员会.照明设计手册[M].第2版.北京:中国电力出版社,2006.
[7]WHANG A J W,CHEN Y Y,TENG Y T.Designing uniform illumination systems by surface-tailored lens and configurations of LED arrays.Journal of DisplayTechnology,2009,5(3):94-103.
[8]CHEN F,WANG K,QIN Z,et al.Design method of highefficient LED headlamp lens.Optics Express,2010,18(20):20926-20938.
[9]史永胜,买迪,宁磊.实现道路均匀照明的LED自由曲面透镜设计方法综述[J].照明工程学报,2010,21(5):73-77.
[10]王恺.大功率LED封装与应用的自由曲面光学研究[C].武汉:华中科技大学,2011:66-76.
[11]石智伟,闫国栋,邓国强,等.面向LED扩展光源的新型反馈修正设计方法[J].照明工程学报,2013,24(4):80-84.
[12]城市道路照明设计标准:CJJ 45—2015[S].
[13]邹吉平,王健.LED道路照明灯具配光设计的误区分析——矩形配光无法满足道路照明[C]//经济发展方式转变与自主创新——第十二届中国科学技术协会年会论文集(第二卷).2010
[2]梁文跃,李远兴,龙拥兵,等.板上芯片型LED光源均匀照明自由曲面透镜镜设计[J]激光与光电子学进展,2017,(1):217.
[3]蔡雯君,张哲娟,孙桌.荧光粉发光层对白光LED平面光源发光特性的影响[J].半导体光电,2017,(1):36.
[4]张剑平,文尚胜,陈育.基于金属基板与陶瓷基板的COB LED散热性能分析[J].中国照明电器,2016,(10):10-12.
[5]刘磊实.城市道路照明设计中失能眩光的计算与控制[J].照明工程学报,2008,19(1):77-80.
[6]北京照明学会照明设计专业委员会.照明设计手册[M].第2版.北京:中国电力出版社,2006.
[7]WHANG A J W,CHEN Y Y,TENG Y T.Designing uniform illumination systems by surface-tailored lens and configurations of LED arrays.Journal of DisplayTechnology,2009,5(3):94-103.
[8]CHEN F,WANG K,QIN Z,et al.Design method of highefficient LED headlamp lens.Optics Express,2010,18(20):20926-20938.
[9]史永胜,买迪,宁磊.实现道路均匀照明的LED自由曲面透镜设计方法综述[J].照明工程学报,2010,21(5):73-77.
[10]王恺.大功率LED封装与应用的自由曲面光学研究[C].武汉:华中科技大学,2011:66-76.
[11]石智伟,闫国栋,邓国强,等.面向LED扩展光源的新型反馈修正设计方法[J].照明工程学报,2013,24(4):80-84.
[12]城市道路照明设计标准:CJJ 45—2015[S].
[13]邹吉平,王健.LED道路照明灯具配光设计的误区分析——矩形配光无法满足道路照明[C]//经济发展方式转变与自主创新——第十二届中国科学技术协会年会论文集(第二卷).2010