Enameled wire pinhole detection signal processing circuit

The utility model discloses an enamelled wire pinhole detection signal processing circuit, the signal detection processing circuit is composed of a signal processing circuit, a signal sampling hold circuit, a signal waveform shaping circuit and a power supply, the signal processing circuit is composed of a preceding stage signal amplification, a small signal rectification and a second order low pass filter; the pre-stage amplification circuit is composed of an inverting amplifier composed of an operational amplifier OP27 with very low offset voltage, and the amplification factor is 5 times. According to the enameled wire pinhole detection signal processing circuit, the signal discharge phenomenon can be detected, the magnitude of discharge current can be measured, and the signal can be maintained, so that a subsequent digital processing circuit can sample and process the signal conveniently, the discharge signal can be shaped, and the subsequent digital processing circuit can calculate the discharge time for