光控感应LED灯具开关线路的改进  

Improvement of the Switch Circuit of Light Controlled LED luminaire

作　　者：王金柱 刘磊 WANG Jinzhu;LIU Lei(Shandong Xucheng Lighting Co.,Ltd.,Linyi 276000,Chin)

机构地区：[1]山东旭程照明科技有限公司,山东临沂276000

出　　处：《中国照明电器》2018年第7期43-45,共3页China Light & Lighting

摘　　要：为解决光控感应LED灯具自身亮度对控制信号的干扰问题,在普通单感应控制电路的基础上增加了一组比较器及电子器件形成双感应信号功能,改进了光控临界点的反复翻转现象。试验证明此方法行之有效,改进的LED灯具关断稳定,增强了线路的可靠性,提高了灯具的使用寿命。In order to avoid the interference of the luminance of the light controlled LED luminaire itself to the control signal, a comparator and some electronic components were added on the basis of the ordinary single sensor control circuit to realize double sensing function, improving the repeated flipping phenomenon at the critical point of light control. The experiment proves that the method is effective, and the improved LED luminarie could turn off steadily, which enhances the circuit reliability and improves the life of luminaire.

关 键 词：临界点 双感应信号 比较器 光控开关 

分 类 号：TM923.34[电气工程—电力电子与电力传动]