Hydrogen quantitative detection device based on acoustic velocity measurement
A hydrogen quantitative detection device based on acoustic velocity measurement comprises an ultrasonic transmission module which is connected with an ultrasonic receiving module via an acoustic wave conducting tube, and is characterized in that the ultrasonic transmission module comprises a sample...
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Format: | Patent |
Sprache: | chi ; eng |
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Zusammenfassung: | A hydrogen quantitative detection device based on acoustic velocity measurement comprises an ultrasonic transmission module which is connected with an ultrasonic receiving module via an acoustic wave conducting tube, and is characterized in that the ultrasonic transmission module comprises a sample gas inlet arranged on an ultrasonic transmitting chamber, an ultrasonic transmitter in the ultrasonic transmitting chamber is welded on a fixed board and is fixed in the ultrasonic transmitting chamber via crimping bolts, the ultrasonic receiving module comprises an ultrasonic receiver, a main sound pick-up, an auxiliary sound pick-up, a flat lens and a convex condensing lens which are all disposed in a gas chamber, a sample outlet is arranged on the gas chamber, the ultrasonic receiver and the main sound pick-up are welded on the fixed board and fixed in the gas chamber via pressure plates, the auxiliary sound pick-up is welded on the fixed board and fixed in the gas chamber via bolts, the flat lens and the convex |
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