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ID:12961107
大小:228.50 KB
页数:21页
时间:2018-07-19
《基于单片机的红外防盗报警器的设计》由会员上传分享,免费在线阅读,更多相关内容在教育资源-天天文库。
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TheDesignofImfraredAlarmAbstract:Thissystemused
2、Pyroelectricinfraredsensor.Itsmanufactureissimple,anditscostislow,andfixingisconvenient.Besides,thesystemhasmanymerits,suchassteadyguardagainsttheft,andstrongantijammingability,andhighthesensitivity,andhighreliability.Thefixxingofthisalarmiscovert,whichisdiscoveredeasilybycracksman.Afterhasbee
3、nprocessedbySCM,thesignalofalarmcommunicateswithPC,whichisconvenientforuniformmanagement.Thisdesignincludeshardwarepartandsoftwarepart.ThehardwarepartincludesthecontrolcircuitofSCM,andtheinfraredprobecircuit,andthealarmcircuit,andLEDcontrolcircuit.TheSCMusesAT89C51,theoverallsystemworksunderth
4、econtrolofthesystemsoftware.Keywords:SCM;infraredsensor;datacollection;alarmcircuit-21-目录0摘要···································································11引言····································································41.1设计任务与要求····················································
5、···42基础知识介绍···························································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·················································5-21-2.3.1AT89C51单片机的结构····
6、·············································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································
7、······················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-21-计······················································93.2.4复位电路的设
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