Ultrasonic water meter drip measurement method
A measurement method and ultrasonic technology, applied in the direction of volume measurement, measurement device, measurement capacity, etc., can solve problems such as loss of water companies, and achieve the effects of long service life, improved measurement accuracy, and increased range ratio.
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specific Embodiment approach 1
[0020] Specific implementation mode one: refer to figure 1 with figure 2 Specifically explain this embodiment, the ultrasonic water meter drip measurement method described in this embodiment, the method is realized by an ultrasonic water meter, and the water meter includes: an ultrasonic base meter 1 and an ultrasonic transducer 2;
[0021] There are two openings on the side wall of the ultrasonic base meter 1, and the two ultrasonic facing ends of the ultrasonic transducer 2 respectively pass through the two openings and are located inside the ultrasonic base meter 1, and the openings are sealed, and the ultrasonic transducer 2 The two ultrasonic opposing ends face each other,
[0022] The ultrasonic water meter drip metering method comprises the following steps:
[0023] Step 1: Use the ultrasonic transducer 2 to collect the ultrasonic downstream time and ultrasonic countercurrent time inside the ultrasonic base meter 1, and then perform step 2,
[0024] Step 2: Make a d...
specific Embodiment approach 2
[0034] Specific embodiment 2: This embodiment is to further explain the ultrasonic water meter drip measurement method described in specific embodiment 1. In this embodiment, in step 2, it is judged whether the difference between the ultrasonic downstream time and the ultrasonic countercurrent time is the effective flow rate. The specific method is: compare the difference between the ultrasonic forward flow time and the ultrasonic reverse flow time with the value greater than the starting threshold, if the difference is greater than the starting threshold value, it is a valid flow, otherwise it is invalid;
[0035] The above starting threshold value is the difference between the ultrasonic forward flow time and the ultrasonic backward flow time when water is dripping.
specific Embodiment approach 3
[0036] Specific embodiment three: this embodiment is to further illustrate the ultrasonic water meter drip metering method described in specific embodiment one. The method is: filtering the signal collected by the ultrasonic transducer 2 .
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