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Undamaged detection method for pipeline

A non-destructive testing, pipeline technology, applied in the field of image processing and pattern recognition

Active Publication Date: 2013-02-13
BEIJING TELESOUND ELECTRONICS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0009] The technical problem to be solved by the present invention is: how to solve the problem of non-destructive testing of pipelines in various areas, especially the pipelines in public utility corridors

Method used

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  • Undamaged detection method for pipeline
  • Undamaged detection method for pipeline
  • Undamaged detection method for pipeline

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Embodiment Construction

[0043] The specific implementation manners of the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. The following examples are used to illustrate the present invention, but are not intended to limit the scope of the present invention.

[0044] The present invention designs a systematic and comprehensive non-destructive testing method for various types of pipelines in public pipeline corridors in chemical industry parks. The pipelines in public pipeline corridors are long in length and high in height, and online monitoring is difficult to provide panoramic detection results of pipelines. Thermal imaging of pipelines is required. Graph splicing technology research. Infrared images are gray-scale images without color or shadows, so for the human eye, the resolution is low and there is no stereoscopic effect; due to thermal balance of the scene, long wavelength of light waves, long transmission distance and a...

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Abstract

The invention relates to the technical field of image processing and mode recognition, and discloses an undamaged detection method for a pipeline. The method comprises the following steps of: S1, acquiring video signals in a preset area; S2, performing image enhancement on a plurality of thermograms acquired in the video signal; S3, processing a plurality of thermograms which are subjected to the image enhancement, and performing image stitching; and S4, performing undamaged detection on the pipeline in the preset area by utilizing a stitched image. According to the method, a technology of image processing and a technology of mode recognition are combined to provide the undamaged detection method for the pipeline. According to the method, the position and leakage of the pipeline are detected by using the processed image, so that the pipeline is not damaged in the detection process, and leakage points of the pipeline can be detected accurately to alarm in time on possible potential safety hazards.

Description

technical field [0001] The invention relates to the technical fields of image processing and pattern recognition, in particular to a pipeline non-destructive testing method. Background technique [0002] The modern chemical industry has entered a highly automated production process. Most of the equipment is in the state of process operation and long-term operation, and some even operate in high temperature, high pressure and corrosive environments, which are flammable and explosive. . Therefore, the monitoring of major equipment in the production process is very important. At present, the practice of strictly implementing the regular overhaul system is generally adopted. This method has a certain degree of blindness and low efficiency. Some unnecessary downtime maintenance will cause production to stagnate and bring additional economic losses. Modern society has higher and higher requirements for product quality and safety. Non-destructive testing technology plays an impor...

Claims

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Application Information

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IPC IPC(8): F17D5/02G06T7/00
Inventor 谭政聂蓉
Owner BEIJING TELESOUND ELECTRONICS
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