基于GSM短信模块的家庭防盗报警系统设计

2015届分类号：单位代码：13379山东师范大学历山学院毕业论文（设计）家庭安防报警系统设计姓名学号年级专业电子信息工程系（院）电子信息与工程系指导教师2015年5月24日I摘要该设计是采用AT89C51单片机实现的基于GSM短信模块的家庭安防报警系统。该系统主要由单片机AT89C51、HRHGSMModem短信模块、键盘显示电路、DS12887实时时钟芯片、315MHZ调幅遥控器、传感器和其它基本外围电路组成，借助GSM移动网络，以最直观的中文短消息，直接把报警地点的情况反映到所设定的手机屏幕上。该系统采用AT89C51单片机作为主控制芯片，通过HRHGSMModem来进行通信，采用红外传感器进行检测，配备烟雾传感器和燃气泄漏传感器，实现防火、防燃气泄漏的作用。同时附加电路通过键盘显示电路来预设安防报警系统的电话号码，DS12887实时时钟芯片对发生警情的时间进行记录和保证系统的可靠运行，315MHZ调幅遥控器来实现用户对系统的布、撤防状态进行改变。硬件设计采用Proteus软件，完成了系统的键盘接口电路、时钟电路、电源电路、发射接收电路、传感器采集信号等模块的电路原理图的设计。软件设计采用Keil开发系统，完成了程序模块规划及各个模块的设计与编程，实现了对信号处理过程的编程和调试。关键词：单片机；GSM模块；传感器IIABSTRACTThisdesignistheuseofAT89C51MCUtoachieveTheFamilyguardagainsttheftandAlarmsystemBasedonGSMModem.ItismadeupofAT89C51MCU、HRHGSMModem、keyboarddisplaychip、DS12887real-timeclockchip、315MHZremotecontrolsensorsandotherbasicperipheralcircuits.ItwilldisplaythealarmcontentinChinesedirectlyatyourmobilescreen,anditrecurstotheGSMmobilenetwork.TheSystemuseAT89C51MCUasthecontrolcorechip,throughtheHRHGSMModemforcommunications,itadoptedinitiativeinfraredsensortodetect,thesystemequippedthesmogsensorandleakinesssensorofgasandguardedagainstfireandgasleakiness.Meanwhile,additionalcircuittodefaultthetelephonenumberofguardagainsttheftandAlarmsystembykeyboarddisplaychip,throughDS12887real-timeclockchiptorecordthesituationoccurredintimeforpoliceandtoensurereliableoperationofthesystem,315MHZremotecontroltoachievetheusertochangethesystem’sposition.ThehardwaredesignusingProteustoachievethecircuitschematicdiagramdesignsofthesystemkeyboardinterfacecircuit,clockcircuits,powercircuits,transceivercircuitsandthesensorsignalacquisitionmoduleandsoon.ThesoftwaredevelopmentsystemofKeilisusedtodesignthesoftware.Andtheprocedureoftheprocessingofsignalhasbeencompletedanddebuggedsuccessfully.Keywords：MCU;GSMmodem;Senor1目录第1章绪论.................................................................31.1安防报警系统发展概况..................................................31.2设计背景目的..........................................................3第2章整体设计方案.........................................................42.1方案选择论证..........................................................42.2主控芯片单片机的选择..................................................42.2.1AT89C51的主要性能.................................................52.2.2AT89C51的引脚结构.................................................52.3通信模块的选择........................................................62.3.1GSMModem的主要功能...............................................62.3.2GSMModem的硬件接口..............................................62.4传感器的选择..........................................................62.4.1红外传感器........................................................62.4.2烟雾传感器........................................................62.4.3气体泄漏传感器....................................................62.5键盘显示模块的选择....................................................72.6存储器的选择..........................................................72.7时钟芯片的选择........................................................72.7.1DS12887功能.......................................................82.7.2DS12887引脚定义...................................................8第3章系统硬件设计.........................................................93.1系统结构原理图........................................................93.2电源部分..............................................................93.3时钟电路.............................................................103.3.1单片机时钟电路...................................................103.3.2系统的时钟电路...................................................103.4信号采集电路.........................................................123.4.1红外信号检测.....................................................123.4.2气体、烟雾检测...................................................133.5复位电路.............................................................1323.6键盘显示电路.........................................................143.7通信电路.............................................................153.7.1发射、接收电路...................................................153.7.2GSM模块与单片机的连接............................................16第4章家庭安防报警系统的软件设计..........................................174.1主程序...............................................................174.2外部中断0中断服务子程序.............................................184.3通信模块的设置......................................................184.3.1设置短信中心号...................................................184.3.2利用GSMMODEM向普通手机发短信..................................184.4串口控制SMS的工作原理...............................................19结论.......................................................................21参考文献...................................................................22附录.......................................................................23附录1：硬件设计总图.....................................................23附录2：部分程序源代码...................................................23致谢.......................................................................293第1章绪论1.1安防报警系统发展概况当科技还不发达的时候，人们依靠安装防盗门、防盗网及人工防犯来防止犯罪分子对住宅的入侵，对于当时的人们来说