LED Drive Power Supply for Emergency Lighting of the Elevator
Fu Daojun
Fu He
Abstract：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.
Keywords：LEDswitching regulatorcontingency powerLED drive power supply
Publication Date：2015-01-01
Online Publishing Date：2025-08-15(First online date of this platform, not the publication date of the document)
Pages：4( 80-83 )