电子世界
電子世界
전자세계
ELECTRONICS WORLD
2014年
15期
123-123
,共1页
STC89C52%照明系统%光敏检测
STC89C52%照明繫統%光敏檢測
STC89C52%조명계통%광민검측
STC89C52%lighting system%photosensitive detection
针对楼道照明调光的要求,设计基于STC89C52智能照明系统。该系统通过光敏传感器检测楼道内的光照强度,在由热释电红外传感器检测是否有人,检测信号经转换后输送给单片机,单片机计算后输出不同占空比的脉冲信号。该脉冲信号输入带PWM调光的LED电源,从而实现PWM调光功能,以实现照明的节能控制。
針對樓道照明調光的要求,設計基于STC89C52智能照明繫統。該繫統通過光敏傳感器檢測樓道內的光照彊度,在由熱釋電紅外傳感器檢測是否有人,檢測信號經轉換後輸送給單片機,單片機計算後輸齣不同佔空比的脈遲信號。該脈遲信號輸入帶PWM調光的LED電源,從而實現PWM調光功能,以實現照明的節能控製。
침대루도조명조광적요구,설계기우STC89C52지능조명계통。해계통통과광민전감기검측루도내적광조강도,재유열석전홍외전감기검측시부유인,검측신호경전환후수송급단편궤,단편궤계산후수출불동점공비적맥충신호。해맥충신호수입대PWM조광적LED전원,종이실현PWM조광공능,이실현조명적절능공제。
In accordance with the requirement of stairs lighting,the smart lighting system is designed based on the MCU of STC89C52.In this system, the light intensity wil be generated by photosensitive sensor,and the people wil be detected by pyro-electric infrared sensor.The detection signal wil be transmitted to the microcontrol er that can be processed directly by MCU,and LED power can control the LED light automatical y by the different duty ratio of PWM signal.Final y,the purpose of the lighting energy conservation control can be realized.