基于ZigBee的矿井环境监测及人员定位系统设计

针对煤矿井下环境复杂、瓦斯爆炸事故频发、矿难事故搜救难度大等问题，设计一种基于ZigBee的矿井环境监测及人员定位系统。通过传感器采集井下温、湿度和瓦斯浓度等环境参数，采用CC2530构建数据传输及人员定位网络，将RSSI测距定位技术和三边定位算法相结合，实现井下工作人员的实时定位。根据井下环境的特点，采用均值滤波算法对RSSI值进行修正，提高了定位精度。实验结果表明，该系统环境参数监测准确、网络通信通畅可靠、人员定位精度较高，可满足煤矿安全生产管理及矿难事故搜救的需要。

Design of Mine Environment Monitoring and Personnel Positioning System Based on ZigBee

In view of the complicated environment of coal mine, the frequent occurrence of gas explosion accidents, and the difficulty of mine accident rescue, etc, a mine environment monitoring and personnel positioning system based on ZigBee is designed. The environmental parameters such as temperature, humidity and gas concentration are collected by the sensor, the CC2530 is used to build data transmission and personnel location network, the RSSI positioning technology and the three side positioning algorithm are combined to realize the real-time positioning of underground workers. According to the characteristics of the underground environment, the mean value filtering algorithm is used to modify the RSSI value, and the positioning accuracy is improved. The experimental results show that the system has the advantages of accurate monitoring of environmental parameters, smooth and reliable network communication and high positioning accuracy, and it can meet the needs of coal mine safety production management and mine accident rescue.