Distributed coal-rock dynamic disaster potential real-time monitoring method and system

A dynamic disaster and real-time monitoring technology, which is applied in the direction of earth drilling, mining equipment, mining equipment, etc., to achieve the effect of convenient installation, flexible monitoring area and strong practicability

Active Publication Date: 2014-09-03
CHINA UNIV OF MINING & TECH
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Problems solved by technology

This method does not involve the continuous real-time monitoring an

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  • Distributed coal-rock dynamic disaster potential real-time monitoring method and system
  • Distributed coal-rock dynamic disaster potential real-time monitoring method and system
  • Distributed coal-rock dynamic disaster potential real-time monitoring method and system

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[0024] The present invention will be further explained below in conjunction with the drawings.

[0025] Such as figure 1 As shown, the distributed coal and rock dynamic disaster potential real-time monitoring system includes monitoring electrode 1, potential monitor 2, communication substation 3, intrinsically safe power source 4, mining transmission interface 5, monitoring host 6, monitoring terminal 7, and explosion-proof ring network The switch 8, the ring network 9 and the mining shielded cable 10; the monitoring electrode 1 is distributedly arranged on the surface of the coal and rock roadway or in the borehole, the potential monitor 2 is connected to the monitoring electrode 1, and the potential monitor 2 is Distributed and connected to the communication substation 3. The communication substation 3 is connected to the ring network 9 through the explosion-proof ring network switch 8 and then connected to the monitoring host 6. At the same time, the communication substation 3 ...

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Abstract

The invention discloses a distributed coal-rock dynamic disaster potential real-time monitoring method and system. A plurality of monitoring electrodes are distributed on the surface of a coal-rock gangway or distributed into a drill hole. A potential monitor continuously collects potential signal differences in real time, wherein the potential signal differences are generated by loads of a coal-rock mass. According to distribution and changes of the potential signal differences, the mode that area critical values and dynamic tendency are combined is adopted to conduct real-time early warning on coal-rock dynamic disaster risks and risk areas. According to the distributed coal-rock dynamic disaster potential real-time monitoring method and system, the loads of the coal-rock mass, the deformation breakage degree, the dynamic disaster risk distribution and evolution situations are reflected through distributed monitored potential signals, and the distributed coal-rock dynamic disaster potential real-time monitoring method and system have the advantages of being good in real-time performance and responsiveness, high in anti-jamming capacity and automation degree, higher in practicability and convenient to install.

Description

technical field [0001] The invention relates to a method and system for real-time monitoring of distributed coal-rock dynamic disaster potential, which monitors coal-rock dynamic disasters by monitoring potential signal changes generated by coal-rock mass damage, and belongs to geophysical monitoring of coal-rock dynamic disasters and mine safety monitoring The technology is mainly used for research on the evolution process of dynamic disasters such as mine rock burst, coal and gas outburst, extrusion, roadway roof instability and fall, water inrush and geological landslides, as well as risk monitoring and early warning. Background technique [0002] As the mining depth of coal mines increases year by year, the possibility and danger of sudden coal-rock dynamic disasters such as rock burst, coal-rock roof instability and caving, coal and gas outburst, and water inrush gradually increase. Non-hazardous coal mines also began to show dynamic phenomena. Under such circumstances...

Claims

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Application Information

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IPC IPC(8): E21F17/18
Inventor 王恩元杨玉龙李忠辉
Owner CHINA UNIV OF MINING & TECH
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