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Method for calibrating the buried depth of pipeline, pipeline buried depth calibration instrument and storage medium

A calibration method and pipeline technology, applied in the direction of electric/magnetic depth measurement, electromagnetic measurement devices, etc., can solve the problems of inability to meet the requirements of multi-terrain and high depth measurement, the decrease of measurement accuracy, and deviation, so as to improve the measurement accuracy and increase The effect of measuring depth and simplifying the measurement steps

Pending Publication Date: 2021-09-21
SHENZHEN TAIKE TEST
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Problems solved by technology

[0002] For the detection of buried pipelines, the electromagnetic method is often used for positioning, and the pipeline positioning is realized by energizing the buried pipelines to generate electromagnetic induction. Large deviation, the accuracy of its measurement drops sharply with the increase of depth, which cannot meet the measurement requirements of multi-terrain and high depth

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  • Method for calibrating the buried depth of pipeline, pipeline buried depth calibration instrument and storage medium
  • Method for calibrating the buried depth of pipeline, pipeline buried depth calibration instrument and storage medium

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[0101] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0102] Please also refer to Figure 1 to Figure 7 , an embodiment of the present invention provides a pipeline buried depth calibration method, the pipeline buried depth calibration method includes:

[0103] Step S10: Detect the pipe-ground system current along the direction of the pipe and calculate the effective value of the current transmitted by the current; figure 2 As shown, there i...

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Abstract

The invention discloses a method for calibrating the buried depth of a pipeline. The method comprises the following steps: detecting the current of a pipeline-to-ground system in the direction of the pipeline and calculating the current effective value of current transmission; calculating the magnetic induction intensity of any point on the ground in combination with the current effective value so as to obtain the magnetic field distribution of the pipeline; receiving a horizontal component and a vertical component of the pipeline magnetic field through a receiving antenna of a receiver; performing magnetic induction electromotive force calculation on the horizontal component and the vertical component to obtain a magnetic field intensity change trend; and calibrating the buried depth of the pipeline according to the change trend of the magnetic field intensity. In addition, the invention further provides a pipeline buried depth calibration instrument and a storage medium. According to the method for calibrating the buried depth of pipeline, pipeline buried depth calibration instrument and the storage medium provided by the invention, the pipeline buried depth is calibrated according to the change trend of the magnetic field intensity; and the measuring precision is effectively improved, the measuring depth is increased, the measuring steps are simplified, and operation of an operator is facilitated.

Description

technical field [0001] The invention relates to the technical field of pipeline burial depth calibration, in particular to a pipeline burial depth calibration method, a pipeline burial depth calibration instrument and a storage medium. Background technique [0002] For the detection of buried pipelines, the electromagnetic method is often used for positioning, and the pipeline positioning is realized by energizing the buried pipelines to generate electromagnetic induction. If the deviation is large, the accuracy of its measurement will drop significantly with the increase of depth, which cannot meet the measurement requirements of multi-terrain and high depth. Contents of the invention [0003] The invention provides a pipeline burial depth calibration method, a pipeline burial depth calibration instrument and a storage medium, so as to solve the above-mentioned problems existing in the pipeline burial depth measurement. [0004] In order to achieve the above object, the ...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01B7/26
CPCG01B7/26
Inventor 胡淼文张燕军付爱群张智鹰林世聪赵呈冲
Owner SHENZHEN TAIKE TEST
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