基于无线传感器网络的大棚环境参数采集系统

为了实现温室大棚内的温度、湿度和CO2浓度的数据采集,设计了一种超低功耗的无线传感器网络系统,解决了传统监测系统布线复杂、维护困难等问题。分析了无线测量节点所采用微控制器、传感器和无线收发器的工作特点以及功耗,描述了无线节点的结构原理,给出了系统软件的设计方案和通信方法。实测结果表明,所设计的系统硬件结构简单可靠,功耗较小,通信距离较远,达到了大棚环境参数测量的设计要求。

Data acquisition system for greenhouse based on wireless sensor network

In order to accomplish the data collection of temperature,humidity and CO2 concentration in greenhouse,a wireless sensor network with low-power is designed.It overcomes the disadvantages of wired monitoring system,such as complicated wiring and difficult maintenance.The operating feature and the power consumption of the system are analyzed,and the design of the software is given.Test results show that the hardware structure of this system is stable and the power consumption of the system is small.The performance of the system is satisfy for the design requirements.