摘要
矿震监测是预测冲击地压的一种有效手段,岩层运动与矿震和冲击地压之间存在必然的联系。震动信号的采集是矿震监测的起点,是后续工作科学开展的依据。传统矿震监测系统大部分采用机械式电子器件,抗干扰、信号传输能力较差。基于FBG技术的波长型低频矿震传感系统,无损远距离传输,不受电磁干扰;其传感器无需供电,本质安全;代表了矿震监测的发展方向。主要介绍了冲击地压诱发因素和一种新型光纤传感矿震监测系统。
Mine earthquake monitoring is an effective means of forecasting the rockburst.Rock movement,mine earthquake and the rockburst exist a certain link.Vibration signal acquisition is not only the starting point for mine earthquake monitoring but also the foundation for follow - up work scientific carried out.Most of the traditional mine earthquake monitoring systems are bad in anti - interference and poor signal transmission capacity for using mechanical electronic devices. The kind of wavelength low - frequency mine earthquake sensor system which based on the FBG technology represents the direction of development of mine earthquake monitoring is non - destructive long - distance transmission and free from electromagnetic interference.The sensors are intrinsic safety because they neednt power supply.This paper mainly describes the rockburst induced factors and a new type of optical fiber sensor mine earthquake monitoring system.
出处
《金属矿山》
CAS
北大核心
2009年第S1期727-730,共4页
Metal Mine
基金
国家863计划项目(编号:2006AA06Z207)
关键词
冲击地压
矿震
光纤传感
Rock - burst
Mining earthquake
Optical Fiber Sensor
