2、控灯、光敏电阻、麦克风、导通、截至、17河南化工职业学院毕业设计说明书Abstract Optically controlled lamp and acoustic control lamp play an important role in our daily life(like in corridor,toilet,alleyway and so on).They make our life more covenient.By use of them,we can not only protect
3、 ourselves from the hurt that maybe caused in looking for the switches of lights in the dark,but also eliminate the phenomenon that someone turn on the light but nobody turn off to avoid the waste of resources. It introduces the principle of how to use
4、 dynatrons and a nand gate chip to achieve the purpose that control the lights by light and sound,and specially stresses the ways and concrete details about how to use them to achieve the purpose and the solutions of the problems that will be met in the
5、 process of making it.Keywords：Opticallycontrolled,acousticcontrol,mircphone,lightdependentresistorbreakover,cutoff17河南化工职业学院毕业设计说明书目录摘要1Abstract2目录31设计的目的和任务42设计要求43总体框图设计44功能设计54.1VCC值的确定64.2延时的确定64.3与非门的高低点评的输入确定64.4整流电路设计74.5电容滤波电路84.6晶闸管的工作原理95总原理图
