Intelligent internal detection device for oil and gas pipelines based on multi-mode combined positioning

Abstract

The invention discloses an oil and gas pipeline intelligent internal detection device based on multi-module combined location. The device comprises an internal detector arranged inside an oil and gas pipeline and a floor marker arranged outside the oil and gas pipeline. The internal detector comprises a driving system, a magnetic leakage detecting system, a speed control system, a distance measuring system and a low frequency emitting system, wherein the driving system, the magnetic leakage detection system, the speed control system, the distance measuring system and the low frequency emitting system are relatively fixedly connected together; the floor marker at least comprises a low frequency receiving system; the low frequency emitting system is used for sending detection results obtained by the magnetic leakage detection system out of the oil and gas pipeline; the low frequency receiving system is used for receiving low frequency electromagnetic pulse signals transmitted by the low frequency emitting system. The oil and gas pipeline intelligent internal detection device based on the multi-module combined location can timely obtain the detection data of the pipeline detector and analyze the detection data and accordingly rapidly determine the defect conditions of the pipeline.

Description

technical field [0001] The invention relates to a defect detection device for oil and gas pipelines, in particular to an intelligent internal detection device for oil and gas pipelines based on multi-mode combined positioning. Background technique [0002] During the use of long-distance oil and gas pipelines, due to corrosion, cracks and damage, etc., oil and gas leakage will be caused. The leaked oil and gas will not only pollute the surrounding environment of long-distance pipelines, but also may cause safety accidents such as combustion and explosion; therefore, oil and gas Leakage of long-distance pipelines will cause huge economic losses. In actual work, it is necessary to regularly inspect long-distance oil and gas pipelines to ensure the safety and reliability of oil and gas pipelines. [0003] So far, people have researched and developed pipeline online detectors with different technical principles such as ultrasonic method, magnetic flux leakage method, in-pipe TV ...

AI Technical Summary

Problems solved by technology

However, there are following technical defects in the pipeline magnetic flux leakage internal detector in the prior art: 1, the power consumption is relatively large, and the power supply battery capacity requirement is high. It is impossible to continue to detect the pipeline, and it is necessary to replace the power supply battery after taking it out of the pipeline, which will bring a lot of trouble to the pipeline detection work; 2. The pipeline detector itself has a storage function. The detection data cannot be obtained from the outside, and the detection data can only be obtained after the detector is taken out of the pipeline after the detection, and then the detection data is analyzed

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