Intelligent system for pipeline inspection and detection

By integrating GPS positioning and attitude sensors into a surveying instrument, combined with laser ranging and wireless communication, precise three-dimensional positioning of pipeline components and automatic label printing are achieved. This solves the problems of low drawing efficiency, easy data errors and omissions, and difficulty in locating complex pipeline networks in existing technologies, and provides a precise pipeline space management solution.

CN122360404AActive Publication Date: 2026-07-10DALIAN BOILER & PRESSURE VESSEL INSPECTION & TESTING INST CO LTD
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Patent Information

Application Number
CN202610821463.7
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2026-06-09
Publication Date
2026-07-10
Estimated Expiration
2046-06-09

AI Technical Summary

Technical Problem

Existing technologies suffer from problems such as low efficiency, easy data errors and omissions, lack of accurate location records, incorrect numbering, and difficulty in locating complex pipe networks when drawing isometric diagrams of pipelines. This is especially true for old pipelines or pipelines where the design does not match the actual situation, making it difficult to accurately locate the spatial position of the pipeline.

Method used

A surveying instrument integrating a GPS positioning module, attitude sensor, and laser ranging module, combined with wireless communication and a drawing terminal, enables precise three-dimensional geographic coordinate calculation and automatic label printing of pipeline components, and links inspection data through QR codes.

Benefits of technology

It achieves centimeter-level positioning of pipeline components, solves the problem of missing spatial location information for old pipelines, improves drawing efficiency and data accuracy, simplifies the label printing process, and provides spatial hierarchical management capabilities for complex pipeline networks.

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Abstract

The invention provides an intelligent pipeline inspection and detection system. The intelligent pipeline inspection and detection system comprises a surveying instrument and a drawing terminal which are wirelessly connected, wherein the surveying instrument comprises a laser ranging module, an attitude sensor module, a GPS positioning module and a processor; the output end of the laser ranging module is connected with the first input end of the processor and used for sending measured distance signals to the processor. The output end of the attitude sensor module is connected with the second input end of the processor and is used for sending a measured pitch angle signal and a horizontal azimuth angle signal to the processor; the output end of the GPS positioning module is connected with the third input end of the processor and used for sending longitude, latitude and altitude coordinate signals of the position where the surveying instrument is located to the processor. The longitude, latitude and altitude three-dimensional coordinates of the pipeline element are obtained through the GPS positioning module, the vertical distance between the pipeline and the installation ground is obtained by combining the infrared distance measurement function of the surveying instrument, and clear distinguishing of different levels of pipelines in the flyover crossing pipeline system is achieved.
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