20khz 2000W Plastic Welding Analog Ultrasonic Welding Generator For Non-woven Fabrics Mask Machine

Intelligent automatic frequency tracking digital circuit Ultrasonic welding generator power supply is the research object, and research work is carried out around the characteristics of the transducer, matching circuit design, power control, frequency tracking and other issues. The main contents include: 1. Analyze the equivalent circuit model of the transducer, verify its parameter variation characteristics in experiments, and use admittance circles to distinguish three groups of frequency points of the transducer