Definition and principle of ultrasonic vibrators

Definition of ultrasonic vibrator
Ultrasonic vibrators, also known as ultrasonic vibrators, are called vibrators in the industry when the transducers are connected to the horns. The piezoelectric effect of piezoelectric ceramics realizes the mutual conversion of electrical energy and mechanical energy (acoustic vibration), and the device is amplified by the acoustic impedance matching front and rear radiation cover blocks.
Principle of ultrasonic vibrator
The horn is a passive device that does not generate vibration itself. It simply changes the amplitude of the input vibration and then transmits it out, completing the impedance transformation. The ultrasonic transducer can generate regular vibration under the excitation of a suitable electric field, and its amplitude is generally about 10 μm. Such an amplitude is not enough to directly complete the welding and processing steps. Therefore, after the transducer is linked to a properly designed horn, the amplitude of the ultrasonic wave can be varied over a wide range, as long as the material strength is sufficient and the amplitude can exceed 100 μm.
When the horn is longitudinally stretched and vibrated, the movement of the particles on the left and right sides of a cross section in the middle is just opposite, which is equivalent to the existence of a relatively stationary section. This section is called the node, which is also the best fixed point of the vibrator. Deviation from this node will reduce the working efficiency of the vibrator, commonly known as leakage.
Ultrasonic transducers are widely used. They are divided into industry, agriculture, transportation, life, medical and military according to the applied industry. According to the functions realized, it is divided into ultrasonic processing, ultrasonic cleaning, ultrasonic detection, detection, monitoring, telemetry, remote control, etc.; according to the working environment, it is divided into liquid, gas, biological, etc.; according to the nature, it is divided into power ultrasonic, ultrasonic detection, ultrasonic imaging, etc. .

The audio signal higher than 28KHZ generated by the ultrasonic generator is converted into mechanical oscillation of the same frequency by the piezoelectric inverse effect of the transducer, and is radiated in the cleaning liquid in the form of super-audio longitudinal waves. Due to the alternating positive and negative pressures of the super-audio longitudinal wave propagation, numerous tiny bubbles of more than 1000 atmospheres are generated and blasted at any time to form a fine local high-pressure bombardment on the surface of the cleaning object, so that the dirt on the surface and the gap of the object is rapidly peeled off. This is the "cavitation effect" unique to ultrasonic cleaning.

Definition of ultrasonic vibrator
Ultrasonic vibrators, also known as ultrasonic vibrators, are called vibrators in the industry when the transducers are connected to the horns. The piezoelectric effect of piezoelectric ceramics realizes the mutual conversion of electrical energy and mechanical energy (acoustic vibration), and the device is amplified by the acoustic impedance matching front and rear radiation cover blocks.

Principle of ultrasonic vibrator
The horn is a passive device that does not generate vibration itself. It simply changes the amplitude of the input vibration and then transmits it out, completing the impedance transformation. The ultrasonic transducer can generate regular vibration under the excitation of a suitable electric field, and its amplitude is generally about 10 μm. Such an amplitude is not enough to directly complete the welding and processing steps. Therefore, after the transducer is linked to a properly designed horn, the amplitude of the ultrasonic wave can be varied over a wide range, as long as the material strength is sufficient and the amplitude can exceed 100 μm.

When the horn is longitudinally stretched and vibrated, the movement of the particles on the left and right sides of a cross section in the middle is just opposite, which is equivalent to the existence of a relatively stationary section. This section is called the node, which is also the best fixed point of the vibrator. Deviation from this node will reduce the working efficiency of the vibrator, commonly known as leakage.

Ultrasonic transducers are widely used. They are divided into industry, agriculture, transportation, life, medical and military according to the applied industry. According to the functions realized, it is divided into ultrasonic processing, ultrasonic cleaning, ultrasonic detection, detection, monitoring, telemetry, remote control, etc.; according to the working environment, it is divided into liquid, gas, biological, etc.; according to the nature, it is divided into power ultrasonic, ultrasonic detection, ultrasonic imaging, etc. .

The audio signal higher than 28KHZ generated by the ultrasonic generator is converted into mechanical oscillation of the same frequency by the piezoelectric inverse effect of the transducer, and is radiated in the cleaning liquid in the form of super-audio longitudinal waves. Due to the alternating positive and negative pressures of the super-audio longitudinal wave propagation, numerous tiny bubbles of more than 1000 atmospheres are generated and blasted at any time to form a fine local high-pressure bombardment on the surface of the cleaning object, so that the dirt on the surface and the gap of the object is rapidly peeled off. This is the "cavitation effect" unique to ultrasonic cleaning. Definition of ultrasonic vibrator
Ultrasonic vibrators, also known as ultrasonic vibrators, are called vibrators in the industry when the transducers are connected to the horns. The piezoelectric effect of piezoelectric ceramics realizes the mutual conversion of electrical energy and mechanical energy (acoustic vibration), and the device is amplified by the acoustic impedance matching front and rear radiation cover blocks.

Principle of ultrasonic vibrator
The horn is a passive device that does not generate vibration itself. It simply changes the amplitude of the input vibration and then transmits it out, completing the impedance transformation. The ultrasonic transducer can generate regular vibration under the excitation of a suitable electric field, and its amplitude is generally about 10 μm. Such an amplitude is not enough to directly complete the welding and processing steps. Therefore, after the transducer is linked to a properly designed horn, the amplitude of the ultrasonic wave can be varied over a wide range, as long as the material strength is sufficient and the amplitude can exceed 100 μm.

When the horn is longitudinally stretched and vibrated, the movement of the particles on the left and right sides of a cross section in the middle is just opposite, which is equivalent to the existence of a relatively stationary section. This section is called the node, which is also the best fixed point of the vibrator. Deviation from this node will reduce the working efficiency of the vibrator, commonly known as leakage.

Ultrasonic transducers are widely used. They are divided into industry, agriculture, transportation, life, medical and military according to the applied industry. According to the functions realized, it is divided into ultrasonic processing, ultrasonic cleaning, ultrasonic detection, detection, monitoring, telemetry, remote control, etc.; according to the working environment, it is divided into liquid, gas, biological, etc.; according to the nature, it is divided into power ultrasonic, ultrasonic detection, ultrasonic imaging, etc. .

The audio signal higher than 28KHZ generated by the ultrasonic generator is converted into mechanical oscillation of the same frequency by the piezoelectric inverse effect of the transducer, and is radiated in the cleaning liquid in the form of super-audio longitudinal waves. Due to the alternating positive and negative pressures of the super-audio longitudinal wave propagation, numerous tiny bubbles of more than 1000 atmospheres are generated and blasted at any time to form a fine local high-pressure bombardment on the surface of the cleaning object, so that the dirt on the surface and the gap of the object is rapidly peeled off. This is the "cavitation effect" unique to ultrasonic cleaning.

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