Power control module of ultrasonic generator

The utility model discloses a power control module of an ultrasonic generator, which comprises a direct current source, a direct current-alternating current (DC-AC) power conversion module, a transducer, a hardware proportion integration differentiation (PID) module, a welding tool head, a temperature compensation module, a master control module, a digital potentiometer frequency regulator, an electronic switch and a driving circuit which are connected in sequence, the main control module can output reference frequency, the hardware PID module can generate dynamic frequency, the digital potentiometer frequency regulator can be used for constant frequency, the driving circuit is a frequency generator and a PWM pulse modulation output module, and the electronic switch is a dynamic frequency switching circuit; according to the utility model, a mixed adjusting mode of specified time period and specified frequency is introduced, so that the power of the energy supplied to the transducer by the ultrasonic generator