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Tunnel focused sounding type three-dimensional induced polarization advanced detection instrument system

A technology of induced polarization and advanced detection, applied in radio wave measurement systems, instruments, scientific instruments, etc., can solve the problems of collected data errors, and achieve the effects of reducing differences, improving collection quality, and sensitive switching speed.

Active Publication Date: 2019-04-26
山东百廿慧通工程科技有限公司
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Problems solved by technology

[0009] 3. During the actual measurement process, due to the different channels of the receiver, there is a certain error in the data collected between the channels. In order to achieve high-precision multi-channel acquisition of the receiver, it is necessary to design a multi-channel measurement module with high precision excitation polarization

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  • Tunnel focused sounding type three-dimensional induced polarization advanced detection instrument system
  • Tunnel focused sounding type three-dimensional induced polarization advanced detection instrument system
  • Tunnel focused sounding type three-dimensional induced polarization advanced detection instrument system

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Embodiment Construction

[0046] The present invention will be further described below in conjunction with the accompanying drawings and embodiments.

[0047] It should be pointed out that the following detailed description is exemplary and intended to provide further explanation to the present application. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.

[0048] It should be noted that the terminology used here is only for describing specific implementations, and is not intended to limit the exemplary implementations according to the present application. As used herein, unless the context clearly dictates otherwise, the singular is intended to include the plural, and it should also be understood that when the terms "comprising" and / or "comprising" are used in this specification, they mean There are features, steps, operations, means, components and / or combinatio...

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Abstract

The invention discloses a focused tunnel sounding type three-dimensional advanced induced polarization detection instrument system, which comprises direct-current constant-current sources, an inducedpolarization host, an industrial personal computer, and an electrode array. The multiple channels of current-regulable direct-current constant-current sources are utilized to realize the high-precision output of multiple channels of current for induced polarization detection, an adopted intelligent inductance compensation method can effectively reduce the ripple interference of current, and moreover, a rapid current cut-off device is designed to improve the quality of advanced induced polarization detection data. The invention realizes the hardware system of a focused tunnel sounding type advanced induced polarization detection instrument, which can comprehensively acquire data, such as apparent resistivity, half-life time and apparent polarizability, can effectively suppress interferencebehind faces, improves the quality of induced polarization detection data acquisition, and can effectively detect water inrush and mud inrush disaster sources, such as water-bearing structures in front of tunnel faces.

Description

technical field [0001] The invention relates to the field of three-dimensional induced polarization advanced detection, in particular to a tunnel three-dimensional induced polarization advanced detection instrument system based on a focusing sounding device type. Background technique [0002] A large number of deep and long tunnels have appeared in infrastructure construction such as transportation, water conservancy and hydropower, and underground engineering. The construction of tunnels under complex geological conditions often encounters unfavorable geological disasters such as water and mud inrush, which often leads to buried tunnels and even casualties. The safety problems and heavy economic losses have become the key factors restricting the safe construction of tunnels. The induced polarization method is sensitive to the response of water-bearing bodies, and can detect the spatial location and scale of the water inrush disaster source in advance. Therefore, it is extre...

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01V3/08
CPCG01V3/08
Inventor 李术才刘斌聂利超李尧马钊
Owner 山东百廿慧通工程科技有限公司
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