How to Determine the Working State of Ultrasonic Transducer?
In order to determine the working state of the ultrasonic transducer, the equation of state of its mechanical vibration system and the equation of state of the circuit system must be found out. The equation of state of the mechanical system of the ultrasonic transducer (referred to as the mechanical vibration equation for short) is the relationship between the force and the vibration speed of the mechanical vibration system when the ultrasonic transducer is in operation, and the equation of state of the circuit system Referred to as circuit equation of state) is to describe the vibration characteristics of the circuit system. Since the ultrasonic and ultrasonic transducer's mechanical system and the electrical system are coupled with each other, the vibration of the mechanical system will affect the balance of the electrical circuit, and the change of the electrical circuit will also affect the vibration of the mechanical system. Therefore, we always use these equations Analyze and discuss the operating characteristics of ultrasonic ultrasonic transducers.
From the above three basic relations of the ultrasonic ultrasonic transducer, three forms of equivalent diagrams of the ultrasonic ultrasonic transducer can be made correspondingly. The first is the equivalent mechanical diagram, the ultrasonic ultrasonic transducer is equivalent to a pure mechanical system equivalent; the second is the mechanical side of the components and parameters, through the mechanical and electrical conversion into the circuit side of the components and parameters , That is, an ultrasonic ultrasonic transducer equivalent to a purely circuit system, call this equivalent circuit diagram; the third known as the equivalent electromechanical map, while including the circuit side and mechanical side of the equivalent map. Using these equivalent diagrams, several important performance indicators of ultrasonic ultrasonic transducers can be easily calculated.
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