【摘要】 为保证机房设备正常运行延长其使用寿命,需对电视台机房温、湿度进行监测。设计了一款以单片机AT89C51为核心的温、湿度监测报警仪,系统中以温、湿度测量电路及相应的A/D转换接口,完成对温、湿度信号的采集,采用数码显示器及发光二极管进行温、湿度信号的显示及超限报警。系统简便实用,可扩展性好。更多还原

【Abstract】 In order to ensure the normal operation and lifetime prolonging of the equipment in the TV station’s equipment room,it is necessary to monitor the temperature and humidity in it.The authors design a temperature and humidity monitoring and alarming device based on AT89C51.It uses temperature and humidity measuring circuits and A/D conversion interface to acquire temperature and humidity signal,and uses digital display and LEDs to display temperature and humidity signals and give abnormal alarm.The system is simple,practical and extensible.更多还原