采用曲面设计的LED前照灯建模及配光分析  

Reflector Design based of Headlight Model with LED and Ray Analysis

作　　者：苏胜君[1] 陈祥熙[1] 施伟斌[1] 

机构地区：[1]上海理工大学光电学院,200093

出　　处：《微计算机信息》2010年第1期35-36,27,共3页Control & Automation

基　　金：基金申请人:戴曙光;陈祥熙;项目名称:半导体照明特种灯具的二次光学设计;基金颁发部门:上海市科委(06DZ11405)

摘　　要：LED作为汽车前照灯的光源在节能和效率上具有优势,本文研究了使用半导体LED光源前照灯的反射镜曲面的设计方法,并进行了配光验证分析。根据前照灯近光配光标准、LED光源特点和反射镜曲面设计,作者建立了新颖的LED前照灯的设计模型,包括LED光源模拟、反射器曲面设计、透镜设计单元和配光分析。作者提出不规则三维曲面作为反射镜的方法,并实现了LED前照灯的照明计算仿真。文章最后分析了实验结果,并指出LED前照灯的前景和未来大功率LED汽车前照灯发展的关键技术。Automobile headlight with LED has advantages on work-time and efficiency.This paper discussed the design of LED headlight reflector.Authors proposed the design model of LED headlight,which is based on the headlight illumination criterion,the characteristics of LED light and reflector design.The design model includes light source,reflector,lens,and ray analysis.We used an non-uniform surface as reflector of LED,and simulated the illumination of LED headlight.In the last part of paper,the future and the key technology of automobile LED headlight were analyzed.

关 键 词：LED 前照灯 不规则反射器 光路追迹 等照度图 

分 类 号：TH74[机械工程—光学工程] TP30[机械工程—仪器科学与技术]