一种新型的隔爆型矿用机车照明灯的设计  

Design of A New Flameproof Mine Locomotive Lighting

作　　者：李文光 

机构地区：[1]大同煤矿集团,山西大同037000

出　　处：《煤炭技术》2013年第12期54-55,共2页Coal Technology

摘　　要：介绍了一种基于恒流恒压控制芯片SE1051的LED驱动电路的设计。该电路用来驱动3个串联的3W高亮白LED灯及3只3W高亮红LED灯。此灯用于煤矿井下蓄电池牵引电机车照明及信号,具有寿命长、亮度高的优点。同时电路具有工作电压范围宽、可靠性高、免维护的特点。The desing of a LED drive circuit is introduced, which is based on SE1051 control chip with constant voltage and constant current. The circuit is used to drive 3 series 3W high brightness LED lamps. The lamp is used for lighting and signaling of the battery traction motor vehicle, it has a long life, high brightness. At the same time, the circuit has wide working voltage and high reliability.

关 键 词：恒流恒压 脉宽调制 占空比 

分 类 号：TD62[矿业工程—矿山机电]