Because LED has the advantages of long service life,free repair,convenient installation and construction, LED double point source system was designed. And its composition,double point source characteristics,driving unit wiring were studied. The system has advanced technology,and is the product for railway signal lighting device updated,which is important to ensure the safety of railway transportation.%鉴于LED具有寿命长、光效高，免维修、安装施工方便等优点，设计研制了LED双点光源系统。并重点对其组成、双点光源的特点、驱动单元的配线进行了研究，该系统技术先进，属铁路信号点灯装置的更新换代产品，可以确保铁路运输安全。
展开▼
