应用电子技术毕业设计（论文）-基于单片机的火灾报警系统设计

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1、河南机电高等专科学校毕业设计河南机电高等专科学校毕业设计论文论文题目：基于单片机的火灾报警系统设计系部电子通信工程系专业应用电子技术班级学生姓名学号指导教师2012年5月10日44河南机电高等专科学校毕业设计目录摘要·····································································3ABSTRACT································································41绪论··············································

2、·······················51.1选题背景及意义··················································51.2火灾报警器的现状及特点v·······································51.3论文组织结构····················································62火灾报警器系统总体设计·················································82.1系统总体功能概述·························

3、·······················82.2火灾报警系统的类型··············································82.3火灾报警系统的原理··············································92.4火灾报警系统的功能·············································1044河南机电高等专科学校毕业设计3火灾报警系统的硬件设计·················································123.1核心元器件的选型·········

4、·······································123.1.1单片机的选型·············································12　3.1.2传感器的选型·············································133.1.3数码管驱动芯片的选型····································143.2火灾报警系统的电路设计·········································153.2.1单片机外围接口电路设计················

5、·················153.2.2信号采集及前置放大电路································163.2.3A/D转换电路············································183.2.4声音报警系统············································203.2.5数码管显示电路··········································203.2.6状态指示灯及控制键电路·································213.2.7报警器故

6、障自诊断电路···································224火灾报警系统的软件44河南机电高等专科学校毕业设计设计·················································244.1C51系列单片机调试及开发工具··································244.2火灾报警系统程序流程及设计·····································254.2.1主程序设计及流程图······································254.2.2主程序初始化流程图·

7、·····································264.2.3滤波子程序设计及流程图·································274.2.4线性化子程序设计及流程图·······························294.2.5报警子程序设计及流程图·································304.2.6控制按键