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Working principle and characteristics of piezoelectric ceramics

Views: 1     Author: Site Editor     Publish Time: 2019-12-04      Origin: Site

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1. The principle of piezoelectric ceramics is that there is some tension in the pressure applied to this piezoelectric plates transducer sheet, which causes a charge of opposite polarity to be generated at both ends of the piezo ceramic sheet. This way, it becomes a current through the circuit.
2. This effect is called the piezoelectric effect. If this piezoelectric ceramic is made and placed in the transducer in the water, then the functional effect of the sound wave will cause a charge to be induced at both ends of our body. It is a receiver of sound waves.
3. Also, the piezoelectric effect is reversible. For example, an alternating electric field is added to the piezoelectric ceramic sheet. The piezo ceramic sheet sometimes becomes thinner and thicker, and it also generates vibration and emits sound waves.


Characteristics of piezoelectric ceramics


1. The converter between sound converters is one of the common situations, such as some of our pickups, microphones, mobile phone headsets, buzzers, ultrasonic sounders, and sonar materials. Piezo ceramics make a wonderful converter of sound.
2. There is also an example of a buzzer on our children's toy. This is where our current vibrates through the inverse piezoelectricity of piezoelectric ceramics and emits sounds that our ears can hear.
3. Underwater piezoelectric ceramic cylinder can generate vibrations of different high and low frequencies through certain control of electronic circuits, and thus emit various sounds.
4. Like some of our electronic music greeting cards, this AC audio signal of piezoelectric ceramic layer is converted into a nice sound signal through the inverse piezoelectric effect.


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