车用LED照明技术和现状分析.pdf

j垂簟黧豳豳隧旦!!堕!璺!皇璺竺竺竺!型 车用LED照明技术及现状分析 仲元昌1，周冬芹1，贾年龙1，何进1，2 (1．重庆大学通信工程学院测控中心，重庆400044； 2．重庆工程职业技术学院，重庆400037) 摘 要：随着汽车工业的快速发展，对汽车节能减排及安全性能的要求越来越高，汽车照明系统 的节能与安全问题已成为该领域研究的热点。作为第四代车用光源，LED有很多优于其他传统光源的 行了展望。 关键词：车用LED；驱动电路；前照灯；自适应前照系统 中图分类号：TN364．2 文献标识码：A LED inautomobileand of lightingengineering analysispresent ZHONGYuan Nian Jinl’2 Chan91，ZHOUDongQinl，JIA Lon91，HE of (1．Center 400044，China； TrackingTelemeteringCommand，ChongqingUniversity，Chongqing VocationalInstituteof 400037，China) 2．Chongqing Engineering，Chongqing the ofmodemautomobile for and reductionand Abstract：With industry，the rapiddevelopment requestenergysavingpollutant inautomobileismuch the conservationand ofautomobile hasbecomehot in security bigger，SOenergy security lightingsystems spot thisresearchfield．Asthefourth sourcesforCars，LEDhasmuchmore characteristicsthanother generation advantageous light advancednatureofLED inautomobileis andthe traditional and source．Therefore，thefeasibility Lightingengineering analyzed light circuitsare the ofLEDandAFStotheautomotive listof typicaldriving introduced，emphasizingpresentapplication headlamps．A and automotiveLEDillumination is the of solutions，which problems technologyfa