智能无线报警器接收主机的可靠性设计  

Reliability Design for Intelligent Wireless Alarming Receiving Host Computer

作　　者：蒋宏彬[1] 杨凡[1] 

机构地区：[1]绵阳师范学院物理与电子信息工程系,四川绵阳621000

出　　处：《兵工自动化》2007年第10期90-92,94,共4页Ordnance Industry Automation

摘　　要：智能无线报警器接收主机,引入自偏压电路以改善已解调数字脉冲放大后的波形,并利用AT89C51单片微处理器作为无线报警器接收主机的主控制核心器。其集成电路译码器与外接元件及地址码跳线开关构成对解调信号的解码。系统微处理器对报警特征信号的响应采用中断模式,在中断服务程序中反复查询VT信号,再通过相关采集译码器的4位数据并由程序在设定周期内判别数据是否稳定,一切都正确无误才完成对所采集的报警数据的存贮,并通过口线P1.6输出高电平触发声光报警电路。The intelligence wireless alarming receiving host computer uses the self-deflection voltage circuit to improve and demodulate amplifying wave. Use AT89CS1 single MPU as the main control core of wireless alarming receiving host computer. Its integrated circuit encoder, external components and address code line on-off construct the decoding for demodulation signal. The system MCU adopts intermit mode for calling of alarming features. Inquire VT signal repeatedly in intermit service program. Then, acquire corresponding four-digit data of decoder and the program evaluates the data stability in given circle. Then, store the acquired alarming data and output the high voltage to trigger the sound and light alarming circuit through line P1.6.

关 键 词：高频接收灵敏度 抗扰性 单片微处理器应用 C51程序设计 

分 类 号：TP277[自动化与计算机技术—检测技术与自动化装置]