Long service life Ultrasonic digital electric box Digital power supply for ultrasonic cutting equipment

Long service life Ultrasonic digital electric box Digital power supply for ultrasonic cutting equipment

Specification:

Principle:

First, a signal generator generates a signal of a specific frequency. This signal can be a sine signal or a pulse signal. The frequency of this signal is reached to a certain value by the ultrasonic generator. This specific frequency is the frequency of the transducer. Generally, the ultrasonic frequencies used in ultrasonic equipment are 20KHz, 28KHz, 40KHz, 60KHz. Power amplifiers can come in many forms, such as vacuum tube Class A amplifiers. Class A and B amplifier. Transistor Class A or Class B amplifiers (all belong to analog): Transistor switching amplifiers, etc., the power generally ranges from 50W to 3000W,

The frequency signal generated by the signal generator needs to undergo impedance matching after passing through the power amplifier, so that the output impedance is consistent with the transducer, and the transducer is pushed to convert the electrical signal into mechanical vibration.

A more complete ultrasonic generator should also have a feedback link, which mainly provides feedback signals in two aspects: the first one is to provide an output power signal. We know that when the generator's power supply (voltage) changes. The output power of the generator will also change. At this time, it is reflected in the transducer that the mechanical vibration fluctuates from large to small, which causes the cleaning effect to be unstable. Therefore, it is necessary to stabilize the output power, and adjust the power amplifier accordingly through the power feedback signal to make the power amplification stable.

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