Non-contact liquid volume measuring device and method based on ultrasonic waves

The invention relates to an ultrasonic-based non-contact liquid volume measuring device which comprises an ultrasonic measuring sensor, a thermocouple thermodetector, a central processing unit, a mechanical arm assembly, a liquid bearing container, a container positioning plate, a display control module and a power supply, the device is characterized in that the transmitting end and the receiving end of the ultrasonic measurement sensor are integrated on the same part, the ultrasonic measurement sensor is configured to measure the liquid level height, and the thermocouple thermometer is configured to correct the liquid level height measured by the ultrasonic measurement sensor; the mechanical arm assembly is used for driving the ultrasonic measurement sensor and the thermocouple thermometer to determine section information of the liquid bearing container; the central processing unit is internally provided with a controller and is used for processing and calculating data transmitted back by the ultrasonic meas