一种用于管道检测的电磁超声SH波传感器研制
An Electromagnetic Ultrasonic SH Wave Sensor for Pipeline Inspection
DOI: 10.12677/OJAV.2018.64012, PDF,    国家科技经费支持
作者: 陈建伟, 赵 扬*, 宋江峰, 郭 锐, 马 健：齐鲁工业大学(山东省科学院)激光研究所，山东 济南；巨 阳：名古屋大学机械学院，日本 名古屋
关键词: 管道检测；电磁超声；SH波传感器；提离距离；Pipeline Inspection； Electromagnetic Ultrasonic； SH Wave Sensor； Lift Distance
摘要: 针对管道检测中环境复杂、表面粗糙度大及实现在线检测难等问题，研制了一种基于电磁超声技术的SH波传感器。设计了传感器在用于管道检测时的封装结构，通过实验测试了传感器可以达到的提离距离；对传感器的频率特性、指向性及通过缺陷后的透射信号进行了研究。结果表明，该SH波传感器可以应用于管道检测，根据透射信号的衰减程度可以判断检测区域内的缺陷尺寸大小。
Abstract: In order to solve the problems existing in pipeline inspection, such as complex environment, rough surface and difficulties in online inspection, a SH wave sensor based on electromagnetic ultrasonic technology is developed. The sensor packaging structure for pipeline inspection is designed. The lift distance between the coils and the measured parts is obtained through experimental tests. The frequency characteristics and directivity of sensors and the relationship between defect sizes and transmission signals are studied. The results show that the SH wave sensors can be applied to pipe-line detection, and the size of defects in the detection area can be obtained according to the attenuation of transmission signal.
文章引用：陈建伟, 赵扬, 巨阳, 宋江峰, 郭锐, 马健. 一种用于管道检测的电磁超声SH波传感器研制[J]. 声学与振动, 2018, 6(4): 99-107. https://doi.org/10.12677/OJAV.2018.64012

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