基于μC／O S-II 的粮仓多点温湿度无线采集系统的设计与测试

摘要

Objective]To construct the real-time embedded multi-dot temperature and humidity wireless data acquisition system based on the granary environment control for temperature and humidity require -ments and wireless data transfer characteristics .[Method]This design applied multi-dot single bus digital temperature sensor DS18B20 and humidity sensor HIH3605 to detect granary environment , transplanted a typical real-time embedded operating system μC/OS-II to LPC2103 high performance processor platform , and chose JZ877 for wireless data transmission .[Result and conclusion] Practical tests proved that multi-dot temperature and humidity effective collection and monitoring ( alarm ) system was established . The real-time operating system has wireless data transmission , data storage and processing functions .It also has advantages of simple human-machine interface and easy of network extensibility .%目的基于粮仓环境对温度和湿度的控制特点及数据无线传送的要求，构建实时嵌入式粮仓多点温湿度无线采集系统。方法本设计利用多点单总线数字温度传感器DS18B20以及湿度传感器HIH3605检测粮仓环境，移植了典型的实时嵌入式操作系统μC／OS-II到LPC2103高性能处理器平台，采用JZ877进行无线数据传送。结果和结论实践证明系统可实现对粮仓内部多点温湿度的有效实时采集和监控（报警），具有无线数据传送、数据存储和处理等功能，人机操作界面简洁，易于网络扩展。