A Method for Restraining Air Bubble Interference by Photoelectric Direct Reading Water Meter Sensor
A photoelectric sensor and photoelectric direct reading technology, which is applied in the direction of volume indication and recording equipment, can solve the problems of easy generation of air bubbles, wrong readings, and low accuracy of flow measurement, and achieve the effects of small space occupation, low cost, and few components
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[0020] Below in conjunction with accompanying drawing, the present invention will be further described:
[0021] The method for suppressing the bubble interference of the photoelectric direct-reading water meter sensor provided by this embodiment includes a single-chip microcomputer, a communication interface component, a DC power supply component, and a plurality of groups of photoelectric sensors composed of multiple pairs of photosensitive receiving tubes and light emitting tube pairs. Encoder components, photosensitive receiver tube sampling resistor control circuit components; Figure 1 The schematic diagram of the principle of a pair of photosensitive receiving tubes and light emitting tubes is described. The photoelectric induction signal is input to the ADC input port of the single-chip microcomputer, and the single-chip microcomputer performs digital quantization processing on the input analog signal. The photoelectric induction signal during operation is: Vsin ; For ...
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