Double-clock detecting method for flowmeter

A detection method and clock detector technology, which is applied in liquid/fluid solid measurement, measurement device, test/calibration device, etc., can solve the problems of long time-consuming verification and water resource consumption, and achieve the effect of solving time-consuming

Inactive Publication Date: 2016-08-03
NINGBO MINGTAI FLOW EQUIP CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] Aiming at the deficiencies in the prior art, the present invention provides a flowmeter dual-clock detection method, which can quickly and accurately verify whether the flowmeter is Qualified, which solves the problems of long time-consuming and water-consuming tests in the past

Method used

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Embodiment 1

[0010] Embodiment 1, a method for double clock detection of a flowmeter, comprising a commutator clock detector, a clock detector for a meter to be tested, a pulse collector for a meter to be tested, a commutator, an annunciator, a flowmeter identifier and an electronic scale, The following steps are included: Step A): The commutator clock detector, the clock detector of the meter under test, the pulse collector of the meter under test, the electronic scale and the commutator are used for photoelectric signal communication through an annunciator. Step B): The commutator and the electronic scale form a path, and at the same time the commutator is another bypass, the commutator clock detector is used to record the commutator time, and the clock detector of the meter to be tested is used to record the time to be tested The time of the watch, the pulse collector of the meter under test is used to record the pulse of the meter under test. Step C): Water is passed through the bypass...

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PUM

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Abstract

The embedded water meter recognizer involves a verification method of a flow meter. There are 6 main steps in total. Whether the value is within the range of the error value to verify whether the meter to be tested is qualified. Compared with the existing technology, this method can quickly and accurately verify whether the flow meter is qualified by measuring and calculating the weight obtained by the electronic scale per unit time and the conversion of the flow rate of the meter to be tested, which solves the problems of long time-consuming verification and water consumption .

Description

technical field [0001] The invention relates to a verification method of a flow meter. Background technique [0002] At present, the single-clock verification method is commonly used in the verification of flow meters. For example, through traditional photoelectric acquisition technology, the two pulse signals of the standard meter and the meter to be tested are measured in the same time range. The measurement error is usually within one pulse. Between the two pulses, according to the currently commonly used 0.2-level flow meter calculation, in order to ensure the measurement accuracy, the number of pulses that need to be collected in a measurement process must be more than 10,000, that is, for water meters with relatively low accuracy, at least 1000 pulses are to be collected. According to the calculation of DN15 water meter, the pulse number of the impeller of the water meter can be collected into the system through the laser probe. Generally, the minimum pointer of the w...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01F25/00
CPCG01F25/00
Inventor 余小宝洪浩
Owner NINGBO MINGTAI FLOW EQUIP CO LTD
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