Large ultrasonic generator power supply with the development of electronics and control circuits, most of the existing ultrasonic power supply using dedicated integrated control chips, the corresponding ultrasonic control technology is also constantly updated. The power supply of large ultrasonic generator is a surmounting progress from analog control circuit to digital control computer. The method of combining single chip computer with analog circuit is used to generate the pulse width modulation signal, which can not only eliminate the problems of large power loss, poor commonality, inflexible control and temperature drift of analog control circuit.
There are many advantages in digital control of large ultrasonic generator power supply, such as being able to adjust parameters easily, change program software and control scheme, simplify hardware structure, automatically diagnose faults and automatically save operation data. Digital control generally uses three ways to achieve digital control of the ultrasonic power supply.
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