1、 第 1 页 共 47 页 摘要摘要 随着科学技术的进步，为对付不断升级的盗车的段，人们研制开发了不同方式结构的防 盗器。 本设计以单片机 AT89S52 作为控制核心，从单片机最小系统设计、防人接近热释电检测电路的 设计、玻璃防震、车身防击的振动检测电路的设计、防车门开启检测电路的设计、防接近驾驶座电 路、汽车点火闭锁电路的设计、无线遥控电路及无线报警电路的设计等几个方面出发，详细研究和 设计了汽车防盗报警器的各个部分内容，设计了单片机及其外围电路，并结合一套经典的程序算法。 给出了一套合理的汽车防盗报警器软硬件解决方案。 关键词关键词 单片机 热释电 多普勒效应 振动 无线报警 遥控 第
2、2 页 共 47 页 Abstract With the scientific and technological progress, to combat the escalating car theft in the section, people developed different ways to structure the anti-theft device. The design MCU AT89S52 as thcontrol, from the microcomputer system design, anti-people close to the pyroelectric
3、detection circuit design, glass vibration, the vibration of the body against attack detection circuit design, anti-detection circuit to open the door, anti-nearly driving Block circuit, car ignition locking circuit design, wireless remote control circuit and the design of wireless alarm circuit aspects of starting a detailed study and design of the vehicle anti-theft alarm in all parts of the design of the microcontroller and its peripheral circuits, combined with a set of
