The working principle of piezoelectric transducer
Time:
2024-03-30 00:02
Source:
Piezoelectric transducer is a kind of device that uses piezoelectric effect to convert energy. The piezoelectric effect refers to the fact that in some crystalline materials, when subjected to mechanical stress, a charge polarization phenomenon occurs, resulting in a voltage. The piezoelectric transducer plate is made of piezoelectric crystal material. When external force or pressure is applied, the crystal structure will change, so that the distribution of positive and negative charges inside the crystal will change, thereby generating a voltage signal.
In operation, the piezoelectric transducer sheet may convert mechanical energy to electrical energy, or electrical energy to mechanical energy. When external pressure is applied, the piezoelectric crystal is deformed, resulting in charge accumulation, resulting in a voltage signal. This voltage signal can be captured by the receiving device and processed to achieve energy transfer and conversion.
Piezoelectric transducers are widely used in acoustic sensors, ultrasonic generators, resonators and other fields. Because of its high sensitivity and fast response, piezoelectric transducer plays an important role in industrial control, medical equipment, wireless communication and other fields.
In short, the working principle of the piezoelectric transducer sheet is based on the piezoelectric effect, which realizes the conversion of mechanical energy and electrical energy through the piezoelectric properties of the material. Its application in various fields will continue to expand and deepen, providing important support for the development and progress of technology.
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