Vertical electrical source TEM real-time monitoring system for mine water inrush
A real-time monitoring system and mine water inrush technology, applied in the fields of electric/magnetic detection for well logging records, water resources assessment, climate sustainability, etc., can solve problems such as unrealized networking
Active Publication Date: 2020-10-27
CHINA UNIV OF MINING & TECH +1
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Problems solved by technology
At present, the electrical and electromagnetic methods, microseismic and acoustic emission monitoring for real-time detection of rock mass damage have not yet been networked.
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[0017] In order to make the purpose, technical solution and advantages of the present application clearer, the present application will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present application, and are not intended to limit the present application.
[0018] Reference herein to an "embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment can be included in at least one embodiment of the present application. The occurrences of this phrase in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. It is understood explicitly and implicitly by those skilled in the art that the embodiments described herein can be combined with other embodiment...
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The invention discloses a vertical electrical source TEM real-time monitoring system for mine water inrush. Atransmitting wire AB is placed in a vertical drill hole formed in the center of a mining area,atransmitter provides step current for the transmitting wire AB,a central general control system is connected through a signal transmission line, a data acquisition station and three-component magnetic probes are arranged on the ground and in a roadway, the three-component magnetic probes share one data acquisition station, and the data acquisition station transmits detection data of the three-component magnetic probes to the central general control system through the signal transmission line; therefore, the central generalcontrol system processes and explains the received detection data; an apparent resistivity section diagram is formed from the detection data; and whether a water inrush disaster-causing area exists in front of mining area roadway tunneling and at a top plate and a bottom plate during coal seam stoping is judged, if so, transverse and longitudinal positions of the water inrush disaster-causing area are determined through time-depth conversion, and a processing result is dynamically displayed in real time so as to monitor a water inrush condition in a roadway tunneling process or a coal seam stoping process in real time.
Description
technical field [0001] The invention relates to the technical field of mine water hazard detection, in particular to a mine water inrush vertical electrical source TEM real-time monitoring system. Background technique [0002] In the field of mine water damage detection, the current methods with better application effects are the direct current method and the transient electromagnetic method. Previously, the detection of mine water in my country was mainly carried out by drilling and geophysical prospecting when building new mines and opening up new working faces. There was a lack of more effective real-time detection methods in the mining process, and the construction of advanced exploration and release of water also affected the speed of excavation. bigger. Therefore, it is imperative to study a monitoring and early warning system that can monitor mine water inrush in real time. [0003] In terms of real-time monitoring of water inrush disasters, China Coal Science and Te...
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IPC IPC(8): G01V3/22
CPCG01V3/22Y02A90/30
Inventor 刘树才乔帅姜志海顾广宇岳建华孙迎春
Owner CHINA UNIV OF MINING & TECH