A machine vision-based high-speed wire harness defect detection method and system

By combining laser scanning system and temperature image analysis, the problem of identifying the three-dimensional structure and internal defects of high-speed wire harnesses was solved, realizing multi-dimensional detection of high-speed wire harnesses and improving the accuracy and stability of detection.

CN122409692APending Publication Date: 2026-07-17DINGLI AUTOMATIC TECH CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
DINGLI AUTOMATIC TECH CO LTD
Filing Date
2026-03-24
Publication Date
2026-07-17

AI Technical Summary

Technical Problem

Existing technologies struggle to accurately identify the three-dimensional structural features and internal defects of high-speed wiring harnesses, and their stability and accuracy are insufficient in complex environments, making it impossible to effectively integrate multi-dimensional detection information.

Method used

A laser scanning system is used for three-dimensional scanning, combined with temperature image analysis. Multi-dimensional detection information is used to jointly analyze the surface structure characteristics and thermal response characteristics of the high-speed wire harness, and identify defects in the Mylar layer and metal layer.

Benefits of technology

It achieves accurate identification of defects in high-speed wire harnesses, eliminates the influence of environmental interference and posture changes, and takes into account the detection accuracy of both the surface structure and internal features of the wire harness.

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Abstract

本发明涉及线束加工技术领域,尤其涉及一种基于机器视觉的高速线束缺陷检测方法及系统,包括:获取高速线束,对高速线束进行表面除尘处理并固定,得到固定线束,利用激光扫描系统对固定线束进行三维扫描,得到三维模型,并对固定线束进行旋转式激光照射,从而拍摄多个温度图像,基于多个温度图像获取多个保留温度,将多个保留温度与三维模型进行坐标匹配,得到三维温度模型,基于三维温度模型识别麦拉层的麦拉缺陷及金属层的金属缺陷,完成高速线束缺陷检测。本发明通过多维检测信息,对高速线束的表面结构特征及热响应特征进行联合分析,从而实现对高速线束缺陷的准确识别。
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