充电式交流磁粉探伤仪的应用研究  

Application of Rechargeable AC Magnetic Particle Detector

作　　者：郭晋 胡华胜 唐经源 李博 王磊 Guo Jin;Hu Huasheng;Tang Jingyuan;Li Bo;Wang Lei(Guangdong Institute of Special Equipment Inspection,Foshan 528251;Shenzhen zhongchang inspection equipment Co.,Ltd,Shenzhen 518081)

机构地区：[1]广东省特种设备检测研究院,佛山528251 [2]深圳市中昌探伤器材有限公司,深圳518081

出　　处：《中国特种设备安全》2021年第3期14-20,共7页China Special Equipment Safety

基　　金：广东省质量技术监督局科技项目《特种承压设备磁粉自动检测系统研究》(项目编号:2018CT15)。

摘　　要：本研究把锂电池的直流电转换为交流方波电来驱动磁探仪工作,这样得到一种全新的充电式磁粉探伤仪,它不需要外部接电、电磁转换效率高、可以连续工作、输出为交流磁场或交叉磁场、灵敏度高、安全可靠。它解决了现有磁粉探伤仪需要搭接长长的电缆、存在漏电危险、发热严重、不能连续工作等缺点。本研究将给磁粉探伤领域带来革命性的发展,并促进新标准的制定。In this research,the DC power of lithium batteries is converted to AC square wave to drive the magnetic detector,so a new type of rechargeable AC magnetic particle detector is obtained.It does not need external power supply,has high efficiency of electromagnetic conversion,can work continuously,and can output to AC or cross magnetic field with high sensitivity,safety and reliability.This research solves the shortcomings of the existing magnetic particle flaw detector,such as the need to overlap long cables,the danger of electric leakage,the serious fever and the inability to work continuously,etc.This research will bring revolutionary development to the field of magnetic particle inspection and promote the formulation of new standards.

关 键 词：充电式 交流磁场 交叉磁场 交流方波 磁粉探伤 

分 类 号：X924[环境科学与工程—安全科学]