Underwater crossing pipeline detection integrated system and method

A pipeline detection and integrated system technology, applied in radio wave measurement systems, open-air water source surveys, measurement devices, etc., can solve problems such as inaccurate pipeline positioning, achieve accurate calculation, avoid accidents, and facilitate operation.

Inactive Publication Date: 2019-07-12
宁波市慧通管道科技有限公司
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Problems solved by technology

At the same time, when the buried pipeline anti-corrosion layer detector is used for underwater pipeline detection, the location of the pipeline is recorded manually. When the instrument displays the maximum value of the buried depth, the position of the pipeline is recorded. Always in motion, resulting in inaccurate positioning of the pipe

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  • Underwater crossing pipeline detection integrated system and method
  • Underwater crossing pipeline detection integrated system and method
  • Underwater crossing pipeline detection integrated system and method

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Embodiment Construction

[0050] like Figure 2-5 As shown, an integrated system and method for underwater pipeline detection described in the embodiment of the present invention:

[0051] 1) On-site preparation, including the analysis of the width of the river and the depth of the river, and the determination of the positions of the test piles at both ends of the river;

[0052] 2) The erection of GPS RTK;

[0053] 3) After the installation of the GPS base station is completed, when the data starts to be collected, start to connect the cables to the two nearest test piles at both ends of the river, and connect the electromagnetic signal transmitter in series in the loop to ensure that it forms a loop with the pipeline;

[0054] 4) Pairing of handheld PDA (mobile phone) and mobile antenna;

[0055] 5) For data collection of onshore pipelines at both ends of the river, a point is generally measured every 6-10 meters, and dots are made on the corners and signposts of each pipeline;

[0056] 6) Select ...

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Abstract

The invention relates to an underwater crossing pipeline detection integrated system, comprising a side scan sonar, a depth finder, a GPS base station, a calculation module, a pipeline electromagnetictransmitter, a pipeline electromagnetic receiver and a test pile, wherein the side scan sonar detects the water depth of a river directly above a pipeline, the pipeline electromagnetic transmitter transmits an electromagnetic signal, the pipeline electromagnetic receiver receives the electromagnetic signal and detects the distance from the center line of the pipeline to the river surface; and theinvention further discloses the detection method thereof. The underwater crossing pipeline detection integrated system provided by the invention has the beneficial effects of realizing the automationof data acquisition in a detection process and accurately positioning the location of the pipeline; based on an electromagnetic signal pipeline burial depth calculation model, the accurate calculation of the large burial depth of the underwater crossing pipeline is realized; the electromagnetic receiver accepts the signal accurately; and the precise positioning of the underwater crossing pipelineand a directional drilling crossing pipeline, the accurate calculation of the thickness of an overburden layer, and the detection and positioning of the damage to an anti-corrosion layer of the pipeline anti-corrosion layer are achieved, a reliable basis is provided for pipeline management, and accidents in the pipeline are avoided.

Description

technical field [0001] The invention relates to the technical field of pipeline detection, in particular to an integrated system and method for underwater pipeline detection. Background technique [0002] In the field of underwater pipeline detection engineering, the current domestic method is to combine sonar, GPS and the buried pipeline anti-corrosion layer detector produced by British Radiodetection Company for on-site detection. Sichuan Vocational and Technical College of Water Conservancy Zhou Xiaoli and others published a paper on the GPS-RTK technology-based detection method for crossing river pipelines (1672-4623 (2016) 03-0099-03) on geospatial information in May 2016. The GPS-RTK technology's external detection method for crossing river pipelines uses DM pipeline anti-corrosion layer detectors, depth sounders, GPS, total stations, etc. to build an external detection system for crossing pipelines to realize the detection of crossing river pipelines. Yu Jie and othe...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01V3/10G01C13/00
CPCG01C13/008G01V3/104Y02A90/30
Inventor 何世亮戴伟孙毅赵华阮伟东
Owner 宁波市慧通管道科技有限公司
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