Electrical prospecting multi-electrode multi-power supply unit system and prospecting method thereof

An electrical exploration and power supply unit technology, applied in the field of shallow geophysical exploration, can solve problems such as major safety, hidden dangers, and threats to staff, and achieve the effect of low power and easy realization

Active Publication Date: 2014-01-01
钟世航
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Problems solved by technology

, will be a big safety hazard a

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  • Electrical prospecting multi-electrode multi-power supply unit system and prospecting method thereof
  • Electrical prospecting multi-electrode multi-power supply unit system and prospecting method thereof
  • Electrical prospecting multi-electrode multi-power supply unit system and prospecting method thereof

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[0052] In order to make the technical problems, technical solutions and beneficial effects solved by the present invention clearer, the present invention will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention, but not to limit the present invention.

[0053] like Figure 1 to Figure 4 The shown multi-electrode and multiple power supply unit system for electrical exploration includes a receiver, a transmitter controller, a measurement electrode M, a measurement electrode N, a power supply electrode A, a power supply electrode B and at least 4 current sending units; the The numbers of the power supply electrodes A and the power supply electrodes B are both equal to the number of the current sending units;

[0054] The transmission controller includes a transmission current modulation controller and a transmission d...

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Abstract

The invention relates to an electrical prospecting multi-electrode multi-power supply unit system and a prospecting method thereof. The electrical prospecting multi-electrode multi-power supply unit system is characterized in that the numbers of power supply electrodes A and power supply electrodes B are both equal to the number of current emitting units; an emission controller comprises an emission current modulation controller and an emission delay controller which are mutually connected; a receiver is connected with the emission current modulation controller; each current emitting unit is connected with the emission delay controller, and each current emitting unit is connected with the receiver in a communicating way; the receiver is provided with terminals which are respectively used for connecting a measuring electrode M and a measuring electrode N and used for measuring the potential difference between the measuring electrode M and the measuring electrode N; each current emitting unit is respectively connected with the power supply electrodes A and the power supply electrodes B. According to the invention, the power supply current of the current emitting units is not more than 1 A, and the power supply voltage of the current emitting units is not more than 200 V; the current emitting units are low in power, easy to realize and safely used for a tunnel and arranged on a all-metal full-face tunnel boring machine.

Description

technical field [0001] The invention relates to the technical field of shallow geophysical exploration (engineering geological exploration), in particular to a multi-electrode and multiple power supply unit system for electrical exploration and an exploration method thereof. Background technique [0002] Both the apparent resistivity method and the induced polarization method supply power to the earth through the two electrodes A and B, and use the two electrodes M and N to receive the electric field generated by the power supply of A and B and the influence of the underground medium with different resistivity on the electric field. A potential difference ΔU is formed between the MN electrodes MN , the exploration depth is related to the distance between AB or A0 (0 point is the midpoint of MN), and also related to the power supply intensity to the ground through AB, ΔU MN It is also related to the sensitivity and precision of the receiving instrument. [0003] In order to...

Claims

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Application Information

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IPC IPC(8): G01V3/02
Inventor 钟世航王荣孙宏志王泽峰钟百同
Owner 钟世航
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