天津冶金职业技术学院毕业课题基于C51单片机的烟雾报警器设计系别:电气工程系专业:电气自动化班级：电气08—2姓名：湛吉磊指导老师：陈宝玲孟庆立2011年5月1日【摘要】随着现代家庭用火、用电量的增加，家庭火灾发生的频率越来越高。烟雾报警器也随之被广泛应用于各种场合。本设计是利用单片机结合传感器技术而开发设计了这一烟雾报警系统。论文中主要针对烟雾报警系统中的各个组成部件进行了介绍，对它的主控电路和外围设备电路之间的接口技术，还有软件方面进行了重点介绍。关键词：报警器、80C51、烟雾传感器Abstract:Withthemodernhomewithfire,electricityconsumptionincreases,thefrequencyofhomefiresisgettinghigherandhigher.Smokedetectorshavealsobeenwidelyusedinvariousoccasions.Thisdesigniscombinedwiththeuseofsingle-chipsensortechnologydevelopmentanddesignofthesmokealarmsystem.Themainthesisofthesmokealarmsystemforthevariouscomponentsareintroduced,itscontrolcircuitandperipheralequipmentcircuitinterfacebetweentechnologyandsoftwarehavebeenthefocusofintroduction.Keywords:80C51,smokesensoralarm.目录1绪论......................................................................................................................................................31.1烟雾报警器的发展及现状.............................................................................................................31.1.1火灾探测技术.......................................................................................................................31.1.2火灾探测器的发展趋势.......................................................................................................31.2论文研究的目的及意义...............................................................................................................41.3论文内容.........................................................................................................................................42基于C51单片机的烟雾报警的设计方案.............................................................................................62.1任务分析.......................................................................................................................................62.2设计方案.........................................................................................................................................62.2.1方案设计思想........................................................................................................................62.2.2总体框图...............................................................................................................................73.1主控电路设计.................................................................................................................................83.1.180C51系列..........................................................................................................................83.1.280C51的基本结构................................................................................................................83.1.380C51单片机的的封装和引脚............................................................................................93.1.480C51单片机的时钟........................................................................................................103.1.580C51单片机的复位......................................................................................................113.2外围接口电路设计...........
