照明工程学报
照明工程學報
조명공정학보
China Illuminating Engineering Journal
2015年
5期
80-83
,共4页
LED%开关变换器%应急电源%LED驱动电源
LED%開關變換器%應急電源%LED驅動電源
LED%개관변환기%응급전원%LED구동전원
LED%switching regulator%contingency power%LED drive power supply
针对电梯专用LED应急照明的工作要求,分析了LED恒流驱动控制电源的特性.基于应急照明和LED驱动电路的基本原理,设计了电梯专用LED应急照明驱动电源.该电路具有交直流转化、 可输出不同等级电压等性能,能够为LED应急照明灯提供稳定、 持续的恒流电源,进而缩短了应急照明响应时间、 稳定了照明强度、 延长了照明时间、 降低了能耗,在实际应用中得到了较好的效果.
針對電梯專用LED應急照明的工作要求,分析瞭LED恆流驅動控製電源的特性.基于應急照明和LED驅動電路的基本原理,設計瞭電梯專用LED應急照明驅動電源.該電路具有交直流轉化、 可輸齣不同等級電壓等性能,能夠為LED應急照明燈提供穩定、 持續的恆流電源,進而縮短瞭應急照明響應時間、 穩定瞭照明彊度、 延長瞭照明時間、 降低瞭能耗,在實際應用中得到瞭較好的效果.
침대전제전용LED응급조명적공작요구,분석료LED항류구동공제전원적특성.기우응급조명화LED구동전로적기본원리,설계료전제전용LED응급조명구동전원.해전로구유교직류전화、 가수출불동등급전압등성능,능구위LED응급조명등제공은정、 지속적항류전원,진이축단료응급조명향응시간、 은정료조명강도、 연장료조명시간、 강저료능모,재실제응용중득도료교호적효과.
The characteristics of the LED constant current drive control power supply is analyzed for the working requirement of the elevator specific LED emergency lighting.Beyond this,based on the basic principles of the emergency lighting and LED driver,the power supply of the elevator is designed for the emergency lighting of LED.The circuit has properties of AC /DC conversion and different output voltage levels,and it provides a stable and constant current power source for the LED emergency lighting,which reduces emergency response time,stabilizes lighting intensity,prolongs lighting time and reduces the energy consumption.The circuit obtained good effects in the practical applications.
