基于单片机的红外防盗报警的设计

课程设计

计算机控制技术 课 程 设 计

成绩评定表

设计课题 ： 基于单片机的红外防盗报警的设计 学院名称 ： 电气工程学院 专业班级 ：

学生姓名 ： 学 号 ：

指导教师 ： 王黎 设计地点 ： 中原路校区2号楼402

设计时间 ： 2011.6.27～2011.7.3

指导教师意见： 成绩: 签名： 年 月 日

课程设计

计算机控制技术 课 程 设 计

设计课题 ： 基于单片机的红外防盗报警的设计 学院名称 ： 电气工程学院 专业班级 ：

学生姓名 ： 学 号 ：

指导教师 ： 王黎

设计地点 ： 中原路校区2号楼402 设计时间 ： 2011.6.27～2011.7.3

II

课程设计

计算机控制技术 课程设计任务书

学生姓名 题 目 课题性质 指导教师 专业班级 学号 基于单片机的红外防盗报警器的设计 工程设计 课题来源 王黎 设计一个红外防盗报警器,满足系统对控制功能的要求,能够探主要内容 测到人员的活动,并能根据情况发出相应的报警信号,从而达到防盗的目的。 自拟课题 第1天：熟悉课程设计任务及要求，针对课题查阅技术资料。 第2天：确定设计方案。要求对设计方案进行分析、比较、论证，画出方框图，并简述工作原理。 任务要求 第3-4天：按照确定的方案设计单元电路。要求画出单元电路图，元件及元件参数选择要有依据，各单元电路的设计要有详细论述。 第5天：撰写课程设计报告。要求内容完整、图表清晰、文理流畅、格式规范、方案合理、设计正确，篇幅不少于5000字。 主要参 考资料 [1] 吴政江. 单片机控制红外线防盗报警器[J]. 锦州师范学院学报, 2001. [2] 宋文绪. 传感器与检测技术[M]. 北京: 高等教育出版社, 2004. [3] 余锡存. 单片机原理及接口技术[M]. 西安: 西安电子科技大学出版社, 2000. [4] 唐桃波, 陈玉林. 基于AT89C51的智能无线安防报警器 [J]. 电子设计应用, 2003, 5(6): 49～51. 系（教研室）主任签字： 审查意见 年 月 日

III

课程设计

目录

1 引言 ································································································································· 1 1.1 系统背景············································································································ 1 1.2 功能及技术要求································································································ 1 2 总体方案设计 ················································································································ 2 2.1 总体设计思路···································································································· 2 2.2总体设计框图····································································································· 2 2.3 系统的工作原理································································································ 2 2.4 控制策略（方案）设计···················································································· 3 3 硬件电路设计 ················································································································ 3 3.1 热释电红外传感器原理···················································································· 3 3.2 AT89C51单片机································································································· 4 3.3 放大电路的设计································································································ 5 3.4 时钟电路的设计································································································ 5 3.5 复位电路的设计································································································ 6 3.6 发光二极管报警电路的设计············································································ 6 3.7 声音报警电路的设计························································································ 7 3.8 系统硬件电路···································································································· 7 4 软件设计 ························································································································ 8 4.1 主程序工作流程图···························································································· 8 4.2 中断服务程序工作流程图················································································ 8 5 总结 ································································································································· 9 参考文献··························································································································· 10 附录 系统总原理图 ······································································································ 11

IV