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基于虚拟仪器设计理论,采用以STC89C51单片机为核心的数据自动采集系统对粮仓内粮食的温湿度进行实时采集,然后通过无线模块nRF905将采集到的数据发送到测控主机,测控主机进行相应的处理后最终到达上位机。上位机计算机管理系统利用LabVIEW软件对数据进行获取、显示、存储,处理等功能。用户根据实时显示的数据,对粮仓及粮食进行相应处理,以实现安全储粮的目的。
Based on the theory of virtual instrument design, the data acquisition system based on STC89C51 is used to collect the temperature and humidity of foodstuffs in grain silo in real time. Then, the collected data are sent to the monitoring and control host through the wireless module nRF905. The monitoring and control host performs corresponding processing Finally reach the host computer. PC computer management system using LabVIEW software for data acquisition, display, storage, processing and other functions. Users according to the real-time display of data on the granary and food processing, in order to achieve the purpose of safe storage of grain.