Distributed parallel electrical method data collecting cable device

An electrical data collection and distributed technology, which is applied in the direction of electrical/magnetic detection for well logging records, can solve the problems of limited single-line distance, large number of cables, and self-heavy cables, so as to achieve reliable use and line Less number of cable cores and easy maintenance

Inactive Publication Date: 2014-12-17
XIAN RES INST OF CHINA COAL TECH& ENG GROUP CORP
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Problems solved by technology

[0007] The purpose of the present invention is to provide a distributed parallel electrical method data acquisition large line device, which solves the problems of large num

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  • Distributed parallel electrical method data collecting cable device
  • Distributed parallel electrical method data collecting cable device
  • Distributed parallel electrical method data collecting cable device

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Embodiment Construction

[0033] The large-wire cable of this design adopts 5-core cables 5, one as the first transmitting cable 501, one as the second transmitting cable 502 (also can be used as the transmitting ground wire), one as the common ground wire 503, and the other two A twisted pair is used as the power supply and communication cables 504 and 505 for the chip. The large line mounts the intelligent collection electrode device 4, each electrode has the same structure, and any working electrode device can be set as the transmitting electrode device A, the transmitting electrode device B, the collecting electrode device M, the collecting electrode device N or idle , and can be set to power supply positive device A, power supply negative device B, measurement electrode device M and measurement electrode device N or idle state when power is supplied. Switch the state of the electrode device according to the direct current method of exploration method, and realize the data acquisition of mine direc...

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Abstract

The invention relates to a distributed parallel electrical method data collecting cable device. Most of electrodes of high-density electrical method detection system are centralized and correspond to cables, the multi-core cable with more than 30 cores is adopted, a cable system is complicated, a control distance between measuring lines is limited, detection precision is low, and reliability is poor. According to the arrangement, an upper computer, silo launch and host control sets, collecting cables and electrodes. The upper computer is connected with the silo launch and host control sets through communication networks. Each collecting cable includes fiver cores comprising two emission wires, one public ground wire and two twisted-pair wires. The electrodes which are loaded with same structures include an emission electrode A, an emission electrode B, a public ground wire electrode M, a public ground wire electrode N and a potential difference collecting electrode. One end of each twisted-pair wire is provided with a terminator. The distributed parallel electrical method data collecting cable device has the advantages that few cores are required, use is reliable, maintenance is convenient, the electrodes, having the data collecting function and the same structures, can serve as the current electrodes as well as the receiving electrodes through the internal circuit switch and after powered, can automatically register and number without manual regulation.

Description

technical field [0001] The invention belongs to the technical field of direct current electric method exploration in coal mines, and in particular relates to a large line device for distributed parallel electric method data collection. Background technique [0002] Electrical prospecting is based on the electromagnetic differences between different rock layers in the earth's crust, between rocks and ores, observing the distribution of artificial or natural electric fields and electromagnetic fields, and studying geological structures according to the changing laws of electric fields and electromagnetic fields. It is used to solve practical engineering problems. A method of geophysical prospecting. [0003] my country's domestic mining electrical detection system is divided into two types: centralized and distributed. [0004] All the electrodes of the centralized electrical detection system are directly connected to the interface of the electrode converter, and the control ...

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Application Information

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IPC IPC(8): G01V3/22
Inventor 李鹏冯宏张鹏王小波刘京科李渊董建梁赵兆吕琦
Owner XIAN RES INST OF CHINA COAL TECH& ENG GROUP CORP
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