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Pipeline non-destructive testing system

A non-destructive testing and testing system technology, applied in pipeline systems, measuring devices, instruments, etc., can solve the problems of high maintenance and later use costs, difficulty in reaching pipeline depth testing, restrictions on activities and testing ranges, etc. Cost and power consumption, small size effect

Active Publication Date: 2016-12-28
BEIJING JIAOTONG UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0009] In short, traditional pipeline non-destructive testing robots generally have a large structure and are mostly suitable for large pipelines, and most of them need to be powered by cables. In practical applications, their activities and detection range are often limited, and it is difficult to reach the depth of the pipeline for detection.
And the cost of maintenance and later use is high

Method used

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  • Pipeline non-destructive testing system

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Embodiment Construction

[0020] The main function realized by the present invention is that the DC motor is under the control of the single-chip microcomputer, and before the system enters the pipeline, the speed is controlled according to the detection requirements, and the forward rotation, reverse rotation, and acceleration, deceleration function. A photoelectric proximity switch is installed at the front of the travel system, and the measuring range is about 10cm. If there is an obstacle in front of the system during operation, the photoelectric proximity switch will input a signal to the single-chip microcomputer. After processing, the single-chip microcomputer quickly stops the current detection work and quickly retreats to avoid damage to the equipment. In addition, it can also complete functions such as data collection and display.

[0021] The invention proposes a pipeline non-destructive testing system, figure 1 Shown is its functional block diagram. see figure 1 , The present invention i...

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Abstract

The invention relates to an industrial pipeline non-destructive testing system. It uses the intelligent car as the basis, uses the car to travel in the pipeline, uses the eddy current sensor to detect along the pipeline, uses the display module to display the damage degree of the pipeline, and carries various components on the trolley. Acquisition and storage unit, control unit, power supply unit and man-machine interface unit. The invention has simple structure, small size, no need for cable power supply, can travel and complete data collection by itself, and is easier to operate, more flexible, and more intelligent than traditional vehicle-type pipeline robots. The invention utilizes PWM to regulate the speed of the DC motor, has the advantages of saving space, strong noise resistance, etc., and greatly reduces cost and power consumption.

Description

technical field [0001] The invention relates to a detection system for industrial pipelines, in particular to a pipeline non-destructive detection system with a high level of intelligence. Background technique [0002] Traditional pipeline non-destructive testing robots (ie testing equipment) are mainly classified into: [0003] 1. Bionic pipeline robot. It works on the principle of bionics. One is the peristaltic type developed by imitating the movement of insects. It moves slowly in the pipeline with large fluctuations and poor stability, so it is rarely used in practice. The other is a snake form designed to imitate the body structure and crawling principle of a snake. It can pass through various pipes and joints smoothly, but the driving ability is very limited, the moving speed is limited, and the movement efficiency is not easy to improve. [0004] 2. Spiral driven pipeline robot. It usually consists of a stationary part and a rotating part. The stationary part is e...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01N27/90F17D5/00G01N27/9093
Inventor 田颖王科理
Owner BEIJING JIAOTONG UNIV