Accurate Reading Method of Photoelectric Direct Reading Water Meter
A photoelectric direct reading and reading technology, which is applied in the field of measurement and control, can solve problems such as inaccurate photoelectric readings, data jumps, and inaccurate photoelectric tube measurements, so as to reduce the probability of data jumps and increase reading accuracy. The method is simple and easy Effect
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[0024] like figure 2 Shown is the flow chart of the method of the present invention: the accurate reading method of this photoelectric direct-reading water meter provided by the present invention comprises the following steps:
[0025] S1. Make relevant preparations for the photoelectric direct reading water meter, and prepare to read the reading of the character wheel;
[0026] S2. Turn off the photoelectric light-emitting tube, and turn on the photoelectric receiving tube at the same time, and obtain the background noise voltage detection value T1 collected by the photoelectric sampling circuit at this time;
[0027] S3. Turn on the photoelectric light-emitting tube, and at the same time turn on the photoelectric receiving tube, and obtain the actual detection voltage detection value T2 collected by the photoelectric sampling circuit at this time;
[0028] The above-mentioned turning off the photoelectric light emitting tube, turning on the photoelectric light emitting tub...
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