Liquid drop measuring method and device
A measurement method, droplet technology, applied in the direction of measuring device, liquid/fluid solid measurement, measurement flow/mass flow, etc., can solve the problems of large instrument, low measurement accuracy, poor zero repeatability, etc., and achieve fast measurement dynamic speed, The effect of high measurement accuracy
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[0019] A preferred embodiment of the present invention is as follows: see figure 1 , the measurement work steps of this droplet measuring method are as follows:
[0020] a. Droplet 1 falls vertically, and when passing through the first photoelectric position sensor 2, the photoelectric position sensor 2 sends a signal s1 to the microprocessor 7, and the microprocessor 7 starts timing and controls the frequency pulse counter 6 to start to adjust the frequency f count;
[0021] b. When the droplet 1 falls through the second photoelectric position sensor 3, the photoelectric position sensor 3 sends a signal s2 to the microprocessor 7, and the internal timing of the microprocessor 7 is stopped, and the timing value T1 is obtained, and the microprocessor 7 simultaneously 7. Control the frequency pulse counter 6 to stop counting the frequency f, and obtain the corresponding count value N1;
[0022] c. Microprocessor 7 according to the physics fall formula, data T1, the distance L1...
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