Dam seepage electric field three-dimensional scanning automatic detection device and method

A three-dimensional scanning and detection device technology, applied in measurement devices, electrical/magnetic exploration, radio wave measurement systems, etc. Accurate and reliable detection results, improve identification and processing capabilities, and reduce the number of detections

Active Publication Date: 2017-03-29
WUHAN CHANGSHENG ENG EXPLORATION TECH DEV CO LTD +1
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Problems solved by technology

The advantage of underground magnetic fluid detection technology lies in: the use of natural electromagnetic field as the source of the work field, low cost and high work efficiency; but

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  • Dam seepage electric field three-dimensional scanning automatic detection device and method
  • Dam seepage electric field three-dimensional scanning automatic detection device and method
  • Dam seepage electric field three-dimensional scanning automatic detection device and method

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[0039] The present invention will be further described in detail below in conjunction with the drawings and specific embodiments:

[0040] Such as Figure 1~3 The shown three-dimensional scanning automatic detection device for leakage electric field of a dyke includes a multi-frequency electric field signal transmitter 5, an electric field negative electrode 6, an electric field positive electrode 7 and an on-site receiving system 8;

[0041] The multi-frequency electric field signal transmitter 5 is placed in a safe position on the top of the dam 4, and the negative electrode 6 of the electric field is arranged in the water body upstream of the dam 1 from the suspected leakage point from 3,200 meters to 1,000 meters (this range guarantees a uniform electric field in the measurement area), The electric field positive 7 is set in the water body downstream 2 of the dam, the electric field negative 6 is connected to the negative terminal of the electric field signal transmitter 5, and...

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Abstract

The invention discloses a dam seepage electric field three-dimensional scanning automatic detection device, which is characterized in that a multi-frequency electric field signal transmitter of the device is placed on a dam, an electric field negative electrode is arranged in a water body, which is 200m-1000m away from a suspicious seepage point, at the upstream of the dam, an electric field positive electrode is arranged in a water body at the downstream of the dam, the electric field negative electrode is connected to a negative electrode wiring terminal of the electric field signal transmitter, the electric field positive electrode is connected to a positive electrode wiring terminal of the electric field signal transmitter, and the electric field positive electrode, the multi-frequency electric field signal transmitter, the electric field negative electrode and the suspicious seepage point form a power supply electric field loop; and a field receiving system is used for performing detection on the power supply electric field loop and can determine an electric field gathering area, so that the location of the dam seepage point is tracked. The dam seepage electric field three-dimensional scanning automatic detection device and method can perform automatic tracking and quick searching on the dam seepage point.

Description

technical field [0001] The invention relates to the technical field of geophysical detection, in particular to a three-dimensional scanning automatic detection device and method for leakage electric field of dykes and dams. Background technique [0002] For a long time, many domestic scientific research workers have been researching on dam leakage monitoring technology without interruption, and have made some progress. However, there are still many researches on the accurate positioning and qualitative and quantitative interpretation of dam leakage. insufficient. According to the information currently available, there is no monitoring device that is fully suitable for the detection of hidden dangers in embankments, especially the monitoring devices that can quickly and accurately detect dangerous situations in dikes during the flood season. At the same time, although the principle of detection of hidden dangers in dykes and dams is the same as that in the field of ore prosp...

Claims

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Application Information

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IPC IPC(8): G01V3/08
CPCG01V3/088Y02A90/30
Inventor 刘鎏石振明陶凤娟张东明刘春生
Owner WUHAN CHANGSHENG ENG EXPLORATION TECH DEV CO LTD
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