基于单片机红外防盗报警器的设计

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1、.红外防盗报警器的设计摘要：本系统采用了热释电红外传感器，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、红外探头电路、驱动执行报警电路、LED控制电路等部分组成。处理器采用51系列单片机AT89C51，整个系统是在系统软件控制下工作的。关键词：单片机；红外传感器；数据采集；报警电路TheDesignofI

2、mfraredAlarmHuRuifengElectronicInformationEngineeringSpecialtyNo:6102106010Abstract:ThissystemusedPyroelectricinfraredsensor.Itsmanufactureissimple,anditscostislow,andfixingisconvenient.Besides,thesystemhasmanymerits,suchassteadyguardagainsttheft,andstronganti

3、jammingability,andhighthesensitivity,andhighreliability.Thefixxingofthisalarmiscovert,whichisdiscoveredeasilybycracksman.AfterhasbeenprocessedbySCM,thesignalofalarmcommunicateswithPC,whichisconvenientforuniformmanagement.Thisdesignincludeshardwarepartandsoftwa

4、repart.ThehardwarepartincludesthecontrolcircuitofSCM,andtheinfraredprobecircuit,andthealarmcircuit,andLEDcontrolcircuit.TheSCMusesAT89C51,theoverallsystemworksunderthecontrolofthesystemsoftware.Keywords:SCM;infraredsensor;datacollection;alarmcircuit目录...0摘要···

5、································································11引言····································································41.1设计任务与要求·······················································42基础知识介绍··················································

6、·········42.1热释电红外传感器简单介绍·············································42.2PIR的原理特性·························································52.3AT89C51单片机简单概述·················································52.3.1...AT89C51单片机的结构································

7、·················52.3.2AT89C51单片机管脚说明···············································63方案设计································································83.1总体设计思路··························································83.2具体电路模块设计··························

8、····························93.2.1热释电红外传感器原理················································93.2.2放大电路的设计······················································93.2.3时钟电路的设计········