高精度矿区地表沉陷远程监测系统构建与应用

针对目前矿区地表沉陷监测方法普遍存在监测精度不高、无法实现实时监测的问题,采用振弦式静力水准仪作为传感器、GPRS(General packet radio service)无线传输技术作为数据传输手段,构建了一套高精度矿区地表沉陷监测系统。详细介绍了该系统的基本架构及工作流程,并进行了长时间的性能测试,认为该系统可以实现实时监测,稳定性较好。将该系统应用于山西某煤矿进行了为期9 d(2017年4月2日~2017年4月10日)的开采沉陷监测试验,研究表明:系统监测值与相应的精密水准测量数据的最大误差仅为0.425 mm,明显优于GPS 5 mm的监测精度,可见该系统的开采沉陷监测精度较高,有一定的实用价值。

Establishment and Application of the Surface Mining Subsidence Remote Monitoring System With High Precision of Mining Area

The monitoring precision of the surface mining subsidence monitoring method are low,and cannot to realize the goal of monitoring the mining subsidence in real time.In order to solve the problems,taking the vibrating string hydrostatic level as the sensor to establish the surface mining subsidence monitoring system with high precision of mining area by using GPRS (general packet radio service) wireless transmission technique as data transmission means.The basic structure of the system is analyzed,and its performance is tested in long time.The results show that the goal of surface mining subsidence monitoring in real time can be realized by using the system,stability features of the system is good.The system is used to monitor the surface mining subsidence of a coal mine in Shanxi Province for 9 days (from April 2,2017 to April 10,2017).The test results indicated that the maximum error between the monitoring results of the system and the corresponding precision leveling is 0.425 mm,which is superior to to GPS method with 5 mm monitoring precision.The above study results which further show that the monitoring precision of the system established in this paper is good,its practical value is ideal.