（毕业论文）基于51单片机汽车红外遥控门锁防盗报警器设计

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1、摘要本系统采用了红外传感器，它的制作简单、成本低，安装比较方便，而且防盗性能比较稳定，抗干扰能力强、灵敏度高、安全可靠。这种防盗器安装隐蔽，不易被盗贼发现。同时它的信号经过单片机系统处理后方便和PC机通信，便于多用户统一管理。本设计主要包括硬件和软件设计两个部分。硬件部分包括单片机控制电路、红外主从机电路、驱动执行报警电路、LED按制电路等部分组成。处理器采用51系列单片机STC89C52。整个系统是在系统软件控制下工作的。软件部分可以划分为以下几个模块：数据采集、键盘控制、报警等子函数。关键字：单片机；红外；主从及；电源设计Abstrac

2、t:Scienceandtechnologycreatepeople’slife，scienceandtechnologyleadpeople’slives，scienceandtechnologytoenrichpeople’slives.Sincethereformandopeningup，oursideofthespeedoftechnologicaldevelopmentcanbesaidtobedazzledbyleapsandbounds,toobusytoattendtoall.Withthedevelopmentofscie

3、nceandtechnology，thereisagreatdevelopmentofeconomy.Inthisthesis，wewilldesignaverysuitableforautomobileanti-theftalarmsystem,wedesignthestudytodeterminetheuseofpyroelectricinfrareddetectors，becauseofitsrelativelypriceisverygood，anti-theftalarmeffect，canbesaidtobehighquality

4、andinexpensive.Currentlyonthemarketmainlypressuretriggeredanti-theftalarm，electronicanti-theftalarmswitchandpressureshadingtriggeredburglaralarmandalarm，butthisseveralcommonalarmhavesomeshortcomings.Thepyroelectricinfraredsensorisusedinthissystem,whichiseasytoproduce,lowco

5、st，convenientinstallation，stableperformance，stronganti-interferenceability，highsensitivity，safetyandreliability.Thisanti-theftdeviceinstallationhidden，noteasytobefound.Atthesametimeitssignalthroughthesingle-chipmicrocomputersystemtofacilitatetheprocessingandPCcommunication

6、，tofacilitatetheunifiedmanagementofmultiuser.Thisdesignmainlyincludestwopartsofhardwareandsoftwaredesign.Thehardwarepartincludessinglechipmicrocomputercontrolcircuit，infraredmaster/slavecircuit,drivingcircuit，LEDcontrolcircuitandsoon.Theprocessoruses51seriessinglechipmicro

7、computerSTC89C52.Thewholesystemisunderthecontrolofthesystemsoftware.Thesoftwarecanbedividedintothefollowingmodules:dataacquisition,keyboardcontrol,alarmandotherfunctions.Keywords:singlechipmicrocomputer;infrared;masterslave;powersupplydesign目录11餓31.1课题研宄背景31.2汽车防盗报警器的发展趋势5

8、1.3本文主要研宄内容52系统方案论证62.1控制芯片的选择方案62.1.1STC89C52RC72.1.2AVR单片机72.1.3FPGA82.2主控制芯片的确定93系统硬件设