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A Method of IP Scanning with 4 Power Supply Points Powering Simultaneously

A technology of power supply point and induced electricity, which is applied in the direction of electric/magnetic exploration, sound wave re-radiation, radio wave measurement system, etc., can solve the problems that it is difficult to tap the power supply potential of generators and increase the difficulty of current, so as to reduce relocation The effect of reducing the number of times, reducing the shielding effect, and increasing the supply current value

Inactive Publication Date: 2019-07-23
CENT SOUTH UNIV
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] Generators are generally used to provide electric energy for the power supply in the sweeping work of the excitation elevator. Due to the grounding conditions of the power supply points and the shielding effect of the current and other factors, it is difficult to increase the current input to the ground at each power supply point; If the number of electrodes is increased at the same position, it is also difficult to tap the power supply potential of the generator due to the shielding effect of the current

Method used

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  • A Method of IP Scanning with 4 Power Supply Points Powering Simultaneously
  • A Method of IP Scanning with 4 Power Supply Points Powering Simultaneously
  • A Method of IP Scanning with 4 Power Supply Points Powering Simultaneously

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Embodiment Construction

[0017] Refer to the following figure 1 and image 3 The present invention will be further described in combination with specific embodiments.

[0018] Assuming that in such figure 1 In the survey area shown, the IP scanning work in which multiple electrodes are powered simultaneously in the first survey point layout mode is carried out. A total of 6 survey lines are arranged in the survey area (the survey line numbers are 0, 4, 8, 12, 16, 20 lines), each measuring line has 11 measuring points (the measuring point numbers on each measuring line are 0, 2, 4, 6, 8, 10, 12, 14, 16, 18, 20), each measuring The point number includes both the measuring line number and the measuring point number, that is, the measuring point number adopts the X-Y mode (X is the measuring line number, Y is the measuring point number), for example, the number of the measuring point 0 on the measuring line 0 is 0-0 number, and so on.

[0019] According to a kind of IP scanning method that 4 power sup...

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Abstract

The invention provides an induced polarization scanning method for simultaneous power supply of four power supplying points. The method comprises the steps of performing simultaneous power supplying through four power supplying points at different positions by means of an electric method transmitter, wherein the directions of current signals which pass through two power supplying points in a relative direction are same, and the directions of the current signals which pass through two other power supplying points are opposite; acquiring potential information and induced polarization informationof measuring points at different positions in a measuring area by an electric method receiver, acquiring resistivity data of the measuring points at different positions through the coefficient of a normalized device in which four power supplying points perform simultaneous power supplying and a resistivity calculating formula, and realizing an induced polarization scanning operation in which thefour power supplying points perform simultaneous power supplying. The induced polarization scanning method has advantages of reinforcing uniformity of middle partial electric field of the measuring area, increasing electric information acquisition amount in different directions of the whole measuring area, improving electric signal strength, reducing isolated influence of a power source, increasing geological information amount of the measuring points through increasing the measuring points, and improving an induced polarization scanning effect, etc.

Description

technical field [0001] The invention relates to an IP scanning method in electrical prospecting. Background technique [0002] At present, the most commonly used scanning method in IP scanning is the scanning method using an intermediate gradient device powered by a pair of power supply points. The intermediate gradient device powered by a pair of power supply points is within the survey line range of the middle 1 / 3AB length between the power supply points AB, and the current field is close to the horizontal electric field within the 1 / 5AB length range of the vertical survey line direction, which is beneficial in Within this measurement range, the exploration target is analyzed and studied to improve the exploration effect and efficiency. [0003] Although the survey efficiency and effect of the intermediate gradient device powered by a pair of power supply points have been significantly improved and improved, it is limited to the range of the middle 1 / 3AB length of the sur...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01V3/08G01V3/04
CPCG01V3/04G01V3/088
Inventor 刘春明郭振威李香花程云涛唐冬春柳卓赵于前
Owner CENT SOUTH UNIV
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