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Pipeline deformation detection method and system
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A detection method and pipeline technology, applied in the direction of measuring devices, instruments, etc., can solve problems such as the deviation of the center position of the detector, achieve the effects of compensating calculation errors and improving detection accuracy
Pending Publication Date: 2022-04-05
PIPECHINA SOUTH CHINA CO +1
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[0005] This application provides a method and system for pipeline deformation detection, which solves the problem that large-diameter pipelines in the prior art are prone to large structural deformations during the operation of the geometric deformation detector, and the position deviation of the detector center occurs, which is calculated for the geometric deformation of the pipeline. Introduce the technical problem of large errors, and achieve the technical effect of correcting the deviation of the center position of the detector through the IMU data, effectively compensating the calculation error of the geometric deformation of the pipeline, and improving the detection accuracy
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Embodiment 1
[0029] Such as figure 1 As shown, the application provides a method for detecting deformation of a pipeline, the method comprising:
[0030] Step S100: Run the detector according to the first running instruction to obtain running detection data;
[0031] Such as figure 2 As shown, further speaking, the step S100 of the present application also includes:
[0032] Step S110: Recording the initial clock position of each deformation probe of the detector;
[0033] Step S120: taking the initial center position of the detector as the geometric center of the pipeline;
[0034] Step S130: Recording the probe bending angle, IMU triaxial acceleration and IMU triaxial angular velocity data of each deformed probe;
[0035] Step S140: Generate the running detection data according to the initial clock orientation, the geometric center of the pipeline, the bending angle of the probe, the IMU triaxial acceleration and the IMU triaxial angular velocity data.
[0036] Specifically, pipeli...
Embodiment 2
[0072] Based on the same inventive concept as the pipeline deformation detection method in the foregoing embodiments, the present invention also provides a pipeline deformation detection system, such as Figure 4 As shown, the system includes:
[0073] A first obtaining unit 11, the first obtaining unit 11 is configured to operate the detector according to the first operation instruction, and obtain operation detection data;
[0074] A second obtaining unit 12, the second obtaining unit 12 is used to calculate and obtain the current center position of the detector according to the operation detection data;
[0075] A third obtaining unit 13, the third obtaining unit 13 is used to calculate and obtain the amount of radial deformation of the probe based on the operation detection data;
[0076] A fourth obtaining unit 14, the fourth obtaining unit 14 is configured to calculate and obtain the actual deformation of the pipeline according to the current center position of the dete...
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Abstract
The invention discloses a pipeline deformation detection method and system, and the method comprises the steps: operating a detector according to a first operation instruction, and obtaining operation detection data; according to the operation detection data, the current center position of the detector is obtained through calculation; based on the operation detection data, calculating to obtain the radial deformation of the probe; and calculating the actual deformation of the pipeline according to the current central position of the detector and the radial deformation of the probe on the basis of a geometrical relationship. The technical problems that in the prior art, a large-diameter pipeline geometric deformation inner detector is prone to generating large structural deformation in the operation process, position deviation occurs in the center of the detector, and large errors are introduced for geometric deformation calculation of a pipeline are solved.
Description
technical field [0001] The invention relates to the technical field of pipeline detection, in particular to a pipeline deformation detection method and system. Background technique [0002] Pipeline transportation occupies an important position in my country's energy industry, and safety is the most basic condition for pipeline operation. Pipeline deformation is an important cause of pipeline failure, and it is necessary to detect and repair pipeline deformation by technical means. Running the deformation internal detector is the main technical means to detect the geometric deformation point of the pipeline. It can quickly and accurately detect the deformation of the pipe body and locate the deformation position, and effectively eliminate the risk of pipeline deformation. [0003] However, it is found that the above-mentioned method has at least the following technical problems: [0004] In the prior art, the large-caliberpipe geometric deformation internal detector is pr...
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