为了解决传统有线监测现场布线的繁琐、作物变更时又需要重新的布置等不利因素，本文对基于ZigBee无线传感网络技术的温室环境监测系统进行了研究。无线传感网络是在传感技术、通信技术和计算机技术的基础上发展而成的一种全新的信息获取和处理技术，目前基于IEEE 802．15．4协议标准的ZigBee技术日渐成熟，并极大地推动了无线传感器网络走向实用，把无线传感器网络技术应用于农业自动控制也具有了可行性。 本文提出的温室环境监测系统是通过硬件和软件的结合实现了对温度、湿度和光照强度的实时监测。无线传感网络主要包括协调器节点和传感器采集节点这两类硬件平台，协调器节点由无线节点模块和智能主板模块组成，传感器采集节点由传感器模块和智能主板模块组成。传感器节点是通过ZigBee无线传感网络和协调器节点之间进行通信的，协调器节点是连接传感器节点和计算机的桥梁，负责组网和集中监测终端发来的数据并通过串口RS232上传至上位机。无线节点模块主要由射频单片机构成，MCU 是TI 的CC2530芯片，用的是2.4G 载频，棒状天线。传感器模块有两个传感器，分别是温湿度传感器SHT10和光电传感器BPW34S。智能主板模块由电源转换电路、运放电路、串口电路、复位电路和可程序控制LED显示电路这几个部分组成。软件设计包括节点控制程序和上位机监测界面程序两个方面，节点控制程序是在IAR Embedded Workbench开发环境下用C语言实现的，包括传感器节点控制程序和协调器节点控制程序，上位机监测界面是在Visual Studio 2005的开发环境下用VC++实现的。最后通过实验验证了该设计的可行性，基本达到了要求。

In order to solve the unfavorable factors such as tediousness of traditional cable monitoring site wiring and rearrange if crop needs to change the arrangement,this paper researches greenhouse environment monitoring system based on ZigBee wireless sensor network technology.On the basis of sensing technology, the communication technology and computer technology, wireless sensor network develops into a new information acquisition and processing technology. At present, the ZigBee technology based on IEEE 802.15.4 protocol standard develops maturely,and greatly promotes the wireless sensor network to practical. The application of wireless sensor network technology to agricultural automatic control also has the feasibility. The proposed greenhouse environment monitoring system realizes real-time monitoring of the temperature, humidity and light intensity by the combination of hardware and software. Wireless sensor network mainly includes coordinator node composed of wireless node module and intelligent motherboard module and sensor collection node composed of sensor node module and intelligent motherboard module.The sensor node communicates with coordinator node by the ZigBee wireless sensor network. Coordinator node is the bridge which connects sensor nodes and computer.It is responsible for networking and concentration monitoring terminal data,and uploads the upper machine through a serial port RS232. Wireless node module mainly consists of Radio Frequency single-chip computer,and the MCU is the CC2530 chip, using 2.4G carrier frequency and bar antenna. Sensor module has two sensors, which are the temperature and humidity sensor SHT10 and the photoelectric sensor BPW34S.Intelligent motherboard module consists of switching power circuit, amplifier circuit, serial port circuit, reset circuit and program control LED display circuit. The software design includes two aspects,which are node control procedure and PC monitoring interface program. Node control program realizes by the C language in IAR Embedded Workbench development environment, including sensor node control procedure and coordinator node control procedure. PC monitoring interface realizes by the C++ language in Visual Studio 2005 development environment. Finally, the feasibility of this design is verifid by the experimental which meets the basic requirements results.