LED铁路信号机构光学参数受环境温度影响研究  

Study on Ambient Temperature Effect for Optical Parameters of LED Railway Light Signal Mechanism

作　　者：郑秀婷[1] 

机构地区：[1]铁道部产品质量监督检验中心信号产品检验站,陕西西安710048

出　　处：《铁道技术监督》2015年第6期21-23,共3页Railway Quality Control

摘　　要：依照TB/T 3242—2010《LED铁路信号机构通用技术条件》对铁路信号机构LED发光强度、灯光颜色、光束散角等光学参数进行测试,通过整理和分析LED常温试验和高低温试验的测试结果,得到LED光学参数与环境温度的联系,指导铁路信号机构LED芯片的选型与光学系统设计。By testing optical parameters including LED luminous intensity, light color, beam divergence and so on of a railway signal mechanism in accordance with the General Specification of LED Light Signals for Railways, processing and analyzing the results of LED ambient temperature, high-temperature and low-temperature tests, the paper states the relationship between LED optical parameters and ambient temperature, which can guide the selection of LED chips of the optical system design for a railway signal mechanism.

关 键 词：LED 热平衡 发光强度 灯光颜色 光束散角 试验 选型 

分 类 号：U284.1[交通运输工程—交通信息工程及控制]