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Three-dimensional detection method and device for water-endowed abnormal area

An abnormal area, three-dimensional detection technology, applied in the field of underground survey, can solve problems such as the inability to intuitively and accurately reflect the spatial distribution and scope of water-bearing abnormal areas.

Inactive Publication Date: 2021-05-14
HEBEI COAL SCI RES INST
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] In view of this, the embodiment of the present invention provides a three-dimensional detection method and device for abnormal water distribution area to solve the problem that the existing technology cannot intuitively and accurately reflect the spatial distribution and range of abnormal water distribution area

Method used

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  • Three-dimensional detection method and device for water-endowed abnormal area
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  • Three-dimensional detection method and device for water-endowed abnormal area

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Embodiment Construction

[0022] In the following description, specific details such as specific system structures and technologies are presented for the purpose of illustration rather than limitation, so as to thoroughly understand the embodiments of the present invention. It will be apparent, however, to one skilled in the art that the invention may be practiced in other embodiments without these specific details. In other instances, detailed descriptions of well-known systems, devices, circuits, and methods are omitted so as not to obscure the description of the present invention with unnecessary detail.

[0023] In order to illustrate the technical solutions of the present invention, specific examples are used below to illustrate.

[0024] The first aspect of the embodiment of the present invention provides a method for three-dimensional detection of water anomalies, such as figure 1 As shown, the method specifically includes the following steps:

[0025] Step S101 , establishing a planar Cartesi...

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Abstract

The invention is suitable for the technical field of underground survey, and provides a three-dimensional detection method and device for a water-endowed abnormal area. The method comprises the following steps: building a plane rectangular coordinate system of a target area, wherein the target area is a to-be-detected working face area, and a plurality of detection points are preset on the to-be-detected working face area; acquiring transient electromagnetic detection data of each detection point; and according to the transient electromagnetic detection data of each detection point and the rectangular plane coordinate system, determining a three-dimensional image of the water-endowed abnormal area. The method and the device can visually and accurately reflect the spatial distribution and range of the water-endowed abnormal area.

Description

technical field [0001] The invention belongs to the technical field of underground surveying, and in particular relates to a method and device for three-dimensional detection of anomalous water-bearing areas. Background technique [0002] Water damage in coal mines is one of the main factors that affect the safe mining of coal mines. Accurate and effective prediction of abnormal areas of water on the roof or floor of mine working faces is particularly important for safe mining of coal mines. [0003] At present, the commonly used detection method of water-abundance anomaly area is to obtain the cross-sectional diagram of apparent resistivity contour along the survey line at each detection angle by using transient electromagnetic technology at the detection point, and then analyze the water-abundance anomaly area. However, the inventors of the present application found that the apparent resistivity contour section diagram can only reflect the distribution of abnormal water en...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01V3/26G01V3/38G06T7/00G06T17/00
CPCG01V3/26G01V3/38G06T7/0002G06T17/00G06T2200/08G06T2200/04G06T2207/10012Y02A90/30
Inventor 贾靖赵永亮崔焕玉高飞郭绍华郭培鹏周杰民
Owner HEBEI COAL SCI RES INST
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