1、 毕业论文 题 目 ： 人体红外感应报警器 摘要 随着社会的不断进步和科学技术、经济的不断发展，人们生活水平得到很大的提高，对私有财产的保护意识在不断的增强，因而对防盗措施提出了新的要求。 本系统采用了 红外 线 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、红外传感器 电路、驱动执行报警电路、 LED 控制电路四 部分组成。 处理器采用 C51 系列单片机 AT89
2、C52， 整个系统是在系统软件控制下工作的，可以实现防盗报警的功能。 关键词 ： 单片机 红外传感器 数据采集 报警 电路 II Abstract With the development of society and science and technology, development of economy, peoples living standards have greatly increased, to the private property protection consciousness in the unceasing enhancement, so for securit
3、y measures put forward new requirement. The system uses the infrared sensor which makes simple, low cost. Installation is convenient and properties of security is stable, strong anti-interference ability, high sensitivity, safe and reliable. The devices installed concealment.It is not easy to find t
4、hat. At the same time its signal after the MCU system treatment convenient and PC communications, facilitate unified management of many users. This design including hardware and software design of two parts. Hardware part includes single chip microcomputer control circuit, infrared sensor circuit, drive the implementation of the alarming circuit, LED the control circuit of four parts. The AT89C52 chip processor C51 series whole system is under control in the system software, can achieve security alarm function. Key words: AT89C52 Infrared Sensor Data Collection Alarm Circuit
