院程自动报警系统主要设计一种采用单片机AT89C52为控制核心，检测红外，门磁、烟雾等传感器的信号，通过单片机构成的系统进行处理，并通过公共电话网将报警信息传送到预设的号码，同时进行声光报警，实现家庭安全防范的目的。此系统操作简单，无需重复布线，成本有所降低，实现了远程自动报警，对家庭安全起到了一定保障功能。-The hospital process automatic alarm system to design a microcontroller AT89C52 control of the core, the detection of infrared, door sensor, smoke sensor signal, processed by a single-chip computer system via the public telephone network and send alarm information to preset number sound and light alarm, home security purposes. This system is simple to operate, no need to repeat the wiring costs decreased, remote automatic alarm, home security played a certain degree of protection.