文档介绍：湖南科技大学
课程设计
课程设计名称: 《传感器/测控电路》课程设计
学生姓名: 刘峥嵘
学院: 机电工程学院
专业及班级: 09级测控三班
学号: 0903030318
指导教师: 余以道、杨书仪
2012年6月13日
摘要
本课题实验主要采用声传感器驻极体话筒和测控电路来制作一个简易的敲击防盗报警器。由此做成的敲击防盗报警器具有结构简单、小巧灵便、成本低廉的特点。该报警器主要由三部分组成,传感器、信号处理电路、报警电路。传感器是采用声振动传感器驻极体话筒,当外界有声音或敲击时,;信号处理电路利用了LM386放大电路放大电压信号,并交予用555定时器组成的单稳态触发器处理;报警电路是采用了蜂鸣器来进行报警。全过程就是当声振动传感器接受到敲击声音振动信号后,输出电压给信号处理电路,然后控制蜂鸣器发出声音,起到报警的作用。
目录
第一章敲击防盗报警器的功能要求说明及设计方案介绍
设计实验任务···········································1
要求说明···············································1
防盗报警器设计方案·····································1
传感器的选用·······································1
信号处理电路·······································1
报警器的选择·······································2
防盗报警器工作原理·····································2
第二章硬件电路的设计
防盗报警器各部分功能简要介绍···························4
传感器·············································4
信号处理电路····································