通过分析现有天然气联合站监控系统存在的问题，引入了基于Zigbee技术的无线传感器网络，并将其应用于天然气管道各项指标的测量，具有功耗低、成本低、系统维护简单的特点。简要描述了系统组成和节点的硬件实现。 Application of Zigbee-based Wireless Sensor Networks in Gas Union Stations LIU Qiu-li，JIANG Yun-chen，YANG Ming (１．Department of Electronic Engineering，School of Information Science and Technology，Beijing Institute of Technology，Beijing １０００８１，China；２．Sales Corporation of Liaohe Oil Field，Panjin １２４０１０，China) Abstract：The Zigbee-basd wireless sensor network was proposed through analyzing the problems exist in the monitoring system of gas union stations． The measuring system of gas pipelines parameters with this technology has the characters of low-power，low-cost and simple - maintenance．The architecture of system and node were introduced briefly． Key Word：Zigbee；sensor network；gas union stations