Ultrasonic Sensor
Smart Technology · Interactive
- DimensionsSubject to on-site plan
- PresentationInteractive
- PricingQuoted by manufacture spec
Purpose & Scientific Principle
This exhibit uses simple interactive games to learn the principles of ultrasonic sensors.
How to Operate
An ultrasonic sensor is a sensor that converts ultrasonic signals into other energy signals (usually electrical signals). Ultrasound is a mechanical wave with a vibration frequency higher than 20KHz. It has the characteristics of high frequency, short wavelength, small diffraction phenomenon, especially good directivity, and can become rays and propagate in a direction. Ultrasonic waves have great penetration ability into liquids and solids, especially in solids that are opaque to sunlight. When ultrasonic waves hit impurities or interfaces, they will produce significant reflections to form reflection echoes, and when they hit moving objects, they can produce the Doppler effect. Ultrasonic sensors are widely used in industry, national defense, biomedicine, etc.
Ultrasonic sensors are sensors that convert ultrasonic signals into other energy signals (usually electrical signals). Commonly used ultrasonic sensors are composed of piezoelectric wafers that can both emit and receive ultrasonic waves.
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