Application of ultrasonic sensor

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【概要描述】The main materials of ultrasonic sensor include piezoelectric crystal (electrostrictive) and nickel iron aluminum alloy (magnetostrictive). The electrostrictive materials include lead zirconate titanate (PZT), etc. The ultrasonic sensor composed of piezoelectric crystal is a reversible sensor, which can convert electrical energy into mechanical vibration to generate ultrasonic, and when it receives ultrasonic, it can also convert into electrical energy, so it can be divided into transmitter or receiver. In real life, it is not difficult to find the application of ultrasonic sensors. With the rapid development of science and technology, the scope of application of ultrasonic sensors has become more and more extensive. In the history of human development, the application of ultrasonic sensors is everywhere, as long as the human can imagine, it can step in. The discovery of hybrid rice has greatly shortened the distance between China and other countries and injected vitality into China's economy. Ultrasonic sensors are so widely used. Do you really know its principle and application range? Ultrasonic sensor is developed by using the characteristics of ultrasonic wave. Ultrasonic wave is a mechanical wave whose vibration frequency is higher than that of sound wave. It is generated by the vibration of the energy exchange chip under the excitation of voltage. It has the characteristics of high frequency, short wavelength, small diffraction phenomenon, especially good directionality, and can be transmitted directionally as a ray. Ultrasound has great penetrating power for liquids and solids, especially in sunless solids, which can penetrate tens of meters deep. Ultrasound will reflect when it encounters impurities or interfaces to form echo, and it will generate Doppler effect when it encounters moving objects. Therefore, ultrasonic testing is widely used in industry, national defense, biomedicine and other fields.

The main materials of ultrasonic sensor include piezoelectric crystal (electrostrictive) and nickel iron aluminum alloy (magnetostrictive). The electrostrictive materials include lead zirconate titanate (PZT), etc. The ultrasonic sensor composed of piezoelectric crystal is a reversible sensor, which can convert electrical energy into mechanical vibration to generate ultrasonic, and when it receives ultrasonic, it can also convert into electrical energy, so it can be divided into transmitter or receiver.
In real life, it is not difficult to find the application of ultrasonic sensors. With the rapid development of science and technology, the scope of application of ultrasonic sensors has become more and more extensive. In the history of human development, the application of ultrasonic sensors is everywhere, as long as the human can imagine, it can step in. The discovery of hybrid rice has greatly shortened the distance between China and other countries and injected vitality into China's economy. Ultrasonic sensors are so widely used. Do you really know its principle and application range?
Ultrasonic sensor is developed by using the characteristics of ultrasonic wave. Ultrasonic wave is a mechanical wave whose vibration frequency is higher than that of sound wave. It is generated by the vibration of the energy exchange chip under the excitation of voltage. It has the characteristics of high frequency, short wavelength, small diffraction phenomenon, especially good directionality, and can be transmitted directionally as a ray. Ultrasound has great penetrating power for liquids and solids, especially in sunless solids, which can penetrate tens of meters deep. Ultrasound will reflect when it encounters impurities or interfaces to form echo, and it will generate Doppler effect when it encounters moving objects. Therefore, ultrasonic testing is widely used in industry, national defense, biomedicine and other fields.

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