基于C51单片机的烟雾报警器设计

I课程设计报告课程名称：智能仪器课程设计题目：基于51单片机家居火灾报警系统学院:信息工程学院系:电气工程及其自动化专业：测控技术与仪器班级：测仪121学号：007学生姓名：罗小黑起讫日期：2015-06-26～2015-07-06指导教师：熊剑、杨俊清、杨大勇II基于C51单片机的声光报警器设计【摘要】目前，随着电子产品在人类生活中的使用越来越广泛，由此引起的火灾也越来越多，在我们生活得四周到处潜伏着火灾隐患。为了避免火灾以及减少火灾造成的损失，我们必须按照“隐患险于明火，防患胜于救灾，责任重于泰山”的概念设计和完善火灾自动报警系统，将火灾消灭在萌芽状态，最大限度地减少社会财富的损失。声光报警器是一种用在危险场所，通过声音和各种光来向人们发出示警信号的一种不会引燃易燃易爆性气体的报警信号装置。防爆声光报警器适用于安装在含有ⅡC级T6温度组别的爆炸性气体环境场所，还可使用于石油、化工等行业具有防爆要求的1区及2区防爆场所，也可以露天、室外使用。可以和国内外任何厂家的火灾报警控制器配套使用。当生产现场发生事故或火灾等紧急情况时，火灾报警控制器送来的控制信号启动声光报警电路，发出声和光报警信号，完成报警目的。本产品也可同手动报警按钮配合使用,达到简单的声,光报警目的。本设计是利用单片机结合传感器技术而开发设计了这一声光报警系统。论文中主要针对声光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、声光传感器Abstract:Now,withelectronicproductsusedinhumanlifemoreandmorewidely,theresultingfire,moreandmore,weliveinfirehazardslurkingaroundeverywhere.Toavoidfiresandreducefirelosses,wemustfollowthehiddendangersfireinpreventionisbetterthandisasterrelief,theresponsibilityisextremelyheavy,theconceptdesignandimprovementofautomaticfirealarmsystem,firenippedinthebud,themaximumreducethelossofsocialwealth.Soundandlightalarmsforuseinhazardouslocationsistosendoutawarningsignalalarmsignalingdevicedoesnotigniteflammablegasestothepeoplethroughavarietyofsoundandlight.ExplosionsoundandlightalarmforinstallationinexplosivegasatmospheressitescontainingⅡClevelT6temperatureclass,andusetheZone1andZone2explosionsitesinpetroleum,chemicalandotherindustrieswithexplosion-proofrequirementstobeopen-air,outdooruse.Anddomesticandforeignmanufacturersofanypossiblefirealarmcontrollersupportingtheuse.Whentheproductionsiteofanaccidentoremergencysituationssuchasafire,afirealarmcontrolsignalssentbythecontrolcircuitstartsoundandlightalarm,audibleandvisualalarmIIIsignals,completealarmpurposes.Theproductcanalsobeusedinconjunctionwithmanualalarmbutton,toasimplesound,lightalarmpurposes.Thisdesignistheuseofsingle-chipcombinedwithsensortechnologydesignedanddevelopedthissoundandlightalarmsystems.Thesisfocusedonsoundandlightalarmsystemswereintroducedvariouscomponents,interfacetechnologyofitscontrolcircuitandperipheralcircuits,aswellassoftwarewerehighlighted.Keywords:80C51,smokesensoralarmIV目录1绪论..........................................................................................................................11.1声光报警器的发展及现状.................................................................................11.1.1火灾探测技术.............................................................................................11.1.2火灾探测器的发展趋势.............................................................................11.2论文研究的目的及意义....................................................................................21.3论文内容.............................................................................错误!未定义书签。2基于C51单片机的声光报警的设计方案.................................................................32.1任务分析............................................................................................................32.2设计方案.............................................................................................................32.2.1方案设计思想..............................................................................................32.2.2总体框图.....................................................................................................43.1主控电路设计.....................................................................................................53.1.180C51系列................................................................................................53.1.280C51的基本结构......................................................................................53.1.380C51单片机的的封装和引脚..................................................................63.1.480C51单片机的时钟................................................................................73.1.580C51单片机的复位................................................................................83.2外围接口电路设计.............................................................................................93.2.1NIS-09声光传感器简介............................................................................93.2.2AD574A简介..............................................................................................113.2.3AD574A与80C51单片机接口电路..........................................................133.2.4声光报警电路............................................................................................143.3总电路设计.......................................................................................................154软件实现................................................................................................................174.1编程KEIL环境介绍.......................................................................................174.2程序流程..........................................................................................................174.3程序..................................................................................................................185调试..................................................................