基于自动变频技术的涡流法裂纹检测系统

介绍了基于自动变频的涡流法裂纹检测系统的原理和实际电路，该系统由于用单片机进行数据采集与处理及ＬＣＤ显示，实现了检测自动化和小型化。

This paper introduces the principle and circuit of the crack detector with eddy current based on automatic moving frequency.By use of microprocessor to collect and process the data ,and to display with LCD. The detecting course of the machine realizes automation and smallsized.