Piezoelectric Ultrasonic Transducer
The basic principle of its working is the converse piezoelectric effect. It produces the sound of that frequency which normally cannot be heard by the human. This sound is typically used in the vacuum cleaners. In this impact when power is applied to a piezoelectric material, it goes through actual disfigurements relative to applied charge. The circuit of the ultrasonic transducer is given below:
Quartz crystal is set between the two metal plates A and B that are connected through L3 of the transformer. The essential of the transformer is inductively coupled to the electronic oscillator. The coils L1 and L2, which structures auxiliary of the transformer, are associated with the electronic oscillator.
At the point when the battery is turned ON the oscillator creates high-recurrence substituting voltage beats with a frequency f=1÷(2π√L1C1). Because of this, an e.m.f is prompted in L3 which is moved to the quartz precious stone through plates An and B. Because of banter piezoelectric impact the precious stone beginnings contracting and growing on the other hand accordingly making mechanical vibrations. Resonance happens when the frequency of the electronic oscillator is equivalent to the regular frequency of the quartz. Right now, quartz produces longitudinal ultrasonic waves of large amplitude.
Piezoelectric Transducer
In our everyday lives, we go over different circumstances where we need to quantify physical quantities like mechanical pressure applied on metal, temperature levels, Tension levels, and so on… For this multitude of utilizations, we really want a device that could gauge these obscure amounts in units and alignments natural to us. One such device which is generally helpful to us is the transducer. The transducer is an electrical gadget that can change over an actual amount as a corresponding electrical amount either as voltage or electrical current. From the huge pool of different types of transducers, this article means to make sense of piezoelectric transducers. They are used for the conversion of electrical charge into energy with the help of some solid material.
Table of Content
- Piezoelectric Transducer
- Piezoelectric Effect
- Types
- Working
- Formula
- Circuit
- Advantages and Disadvantages
- Applications
- Properties