文档介绍：模拟电子技术课程设计说明书
红外线报警器
系 、 部: 电信系
学生姓名： 陈颖之
指导教师: 贾雅琼 职称 讲师
专 业： 电气工程及其自动化
班 级: 100２
完成时间： 20１２年５月
摘 要
红外线报警器一般用作防盗报警，是一种最常见的报警装置，该装置由直流稳压电源，红外线发射部分、红外线接收部分、555定时器以及蜂鸣器组成，可通过发射的红外线被物体阻挡时，红外线接受部分无法接收到红外线时产生信号,利用光电开关特性以及55５定时器控制蜂鸣器进行报警并控制其报警时长。
关键词 光电开关，直流稳压电源，５5５延时芯片
ＡBSTRACT
Inｆraｒeｄ alarm syｓtem comｍｏnly used for aｎtｉ—ｔｈeft alaｒm， iｓ ｏnｅ of thｅ mｏｓt ｃommon aｌａrm ｄevice， comprisｉnｇ a ＤC pｏwer supply， iｎｆrareｄ eｍisｓion ｐart, ｉnfｒared rｅceiviｎg porｔiｏn，５５5timer and a buzzer， by tranｓmitting ｉｎｆrared ｏbｊect was blｏckｅd, ｔhe iｎfｒareｄ ｒeceｉving portion to be ｒｅceivｅｓ infrarｅd ｓigｎal geｎeraｔed by the photｏelecｔｒｉc ｓｗiｔch ｃharacterｉstiｃs, ａs welｌ aｓ 555timer cｏｎtｒol ｂuzzeｒ ａlarm and cｏntroｌ tｈe alaｒm tiｍｅ
Key words thｅ phoｔoeｌectrｉｃ switch；5５５timｅr；buzzｅｒ
目 录
1 总体设计方案与要求·································· 4
设计任务的功能要求说明························· ４
1。2 设计课题总体方案介绍及工作原理说明············· ４
2 设计电路及其仿真分析································ ５
2。1 设计电路图····································· ５
设计电路的仿真结果····························· ６
3 硬件电路各部分电路设计······························ 7
3．1 硬件电路图及各模块功能简要介绍················· 8
PCB图 ········································ 8
３。3 元器件清单····································· 9
4 系统的调试及性能分析································ 1０
４。1 系统的调试····································· １0
性能分析······································· 1０
5 设计结论及体会······································ １０
6 参考文献············································ １0
７ 致谢 ···········································1１
8 附录 ···········································11
1 总体设计方案与要求
1。１ 设计课题任务
设计一个红外线防盗报警器。要求如果有人进入监视区域，立即报警，报警时长为３0秒.
１．2。１ 设计课题总体方案介绍
该装置以直流稳压电源和５５５定时器为核心,采用光电开关作为发射