多通道钢丝绳的漏磁检测信号融合方法  

Multi-channel signal fusion method for magnetic leakage detection of steel wire ropes

作　　者：关益辉 孙燕华[1] 高尚磊 张义军 GUAN Yihui;SUN Yanhua;GAO Shanglei;ZHANG Yijun(School of Mechanical Science and Engineering,Huazhong University of Science and Technology,Wuhan 430074,China;CNOOC Inspection Technology Co.,Ltd.,Tianjin 300452,China;Changjiang River Administration of Navigational Affairs,Wuhan 430014,China)

机构地区：[1]华中科技大学机械科学与工程学院,武汉430074 [2]中海石油技术检测有限公司,天津300452 [3]交通运输部长江航务管理局,武汉430014

出　　处：《无损检测》2024年第5期56-61,共6页Nondestructive Testing

基　　金：国家自然科学基金(52275532);交通运输部纵向项目(SXHXGZ-2021-2);国家重点研发纵向项目(2021YFF0501000);中海石油项目(ZX2022ZCZBF0937)。

摘　　要：分析了现有钢丝绳漏磁检测系统中存在的损伤信号幅值较小、前端多个磁敏元件处理方式较为简单等问题,提出了一种钢丝绳漏磁检测系统中的多通道信号融合方法。首先从磁敏元件阵列的角度出发,提出了多种磁敏元件阵列方式;其次从信号处理模拟电路的角度出发,设计了多通道信号融合硬件电路;最后,针对钢丝绳进行了实际测试,验证了此方法的可行性。This paper analyzed some problems in the existing magnetic leakage detection system of steel wire ropes,such as the small amplitude of the damage signal and the relatively simple processing method of multiple magnetic sensitive components at the front end,and in response to these problems,a multi-channel signal fusion method in the magnetic leakage detection system of steel wire ropes was proposed.First,from the perspective of magnetic sensor arrays,a variety of magnetic sensor array methods were proposed.Secondly,from the perspective of signal processing analog circuits,a multi-channel signal fusion hardware circuit was designed.Finally,actual tests were conducted on steel wire ropes to verify the feasibility of this method.

关 键 词：钢丝绳 漏磁检测 磁敏元件阵列 多通道信号融合 加法电路 

分 类 号：TG115.28[金属学及工艺—物理冶金]