论文部分内容阅读
介绍了一种共享式多探头涡流检测系统。利用涡流探伤仪的一个励磁信号源同时长距离驱动多个检测探头，与励磁信号源对应的信号处理通道对多路检测信号进行巡回处理，可大大提高系统效率，减少系统结构的复杂性。该系统的检测灵敏度、信噪比和探头间隔离度均满足实际检测需要，可作为标准涡流检测系统的通道扩展接口使用。实际应用于抽油杆的无损探伤，效果较好
A shared multi-probe eddy current testing system is introduced. By using an excitation signal source of the eddy current flaw detector to drive a plurality of detection probes over a long distance at the same time, the signal processing channel corresponding to the excitation signal source can process the multiple detection signals to greatly improve the system efficiency and reduce the complexity of the system structure. The system’s detection sensitivity, signal-to-noise ratio and probe isolation meet the actual needs of the test can be used as a standard vortex detection system channel expansion interface. Practical application of sucker rod non-destructive testing, the effect is better