摘要
介绍了一种漫反射式光电开关电路,为了获得较大的探测范围,利用555电路产生1．5KHz调制脉冲和35kHz载频脉冲,接收回路采用集成锁相环路解码器,确保了电路的抗干扰能力,经调试达到了设计要求。
The circuits of a kind of photoelectric switch with diffuse reflection are introduced. For obtaining long detecting distance, 1.5KHz modulation impulse and 35kHz carrier frequency impulse are taking in sending circuit.and receiving integrated circuit used phase-locked loop. Thus the circuit offers high anti-interference capability. The experiment proves that they attain the request of the designing..
出处
《黄山学院学报》
2006年第3期31-33,共3页
Journal of Huangshan University
关键词
漫反射
红外光电开关
diffuse reflection infrared
photoelectrics switch
