Method and system for detecting defects of inner wall and outer wall of oxygen-free copper pipe with square outside and round inside

The invention relates to the technical field of metal defect detection, in particular to a method and system for detecting defects of the inner wall and the outer wall of an oxygen-free copper pipe with the square outside and the round inside, and the method comprises the steps: obtaining basic para...

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Hauptverfasser: ZHENG FENGYI, PANG HONGYUN, CHEN YUNYUE, CHEN CHUANLAI, WANG HUI
Format: Patent
Sprache:chi ; eng
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Zusammenfassung:The invention relates to the technical field of metal defect detection, in particular to a method and system for detecting defects of the inner wall and the outer wall of an oxygen-free copper pipe with the square outside and the round inside, and the method comprises the steps: obtaining basic parameter information and historical defect information of the oxygen-free copper pipe with the square outside and the round inside; obtaining defect detection feature information according to the basic parameter information and the historical defect information; based on a machine learning algorithm, a multi-angle ultrasonic scanning strategy is designed; according to a multi-angle ultrasonic scanning strategy, scanning the inner wall and the outer wall of the to-be-detected oxygen-free copper pipe with the square outside and the round inside to obtain inner wall and outer wall scanning results respectively; and extracting problem information in the inner and outer wall scanning results, and performing feature corresp