KR920012886A - Flowmeter Tester - Google Patents

Flowmeter Tester Download PDF

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Publication number
KR920012886A
KR920012886A KR1019910022249A KR910022249A KR920012886A KR 920012886 A KR920012886 A KR 920012886A KR 1019910022249 A KR1019910022249 A KR 1019910022249A KR 910022249 A KR910022249 A KR 910022249A KR 920012886 A KR920012886 A KR 920012886A
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KR
South Korea
Prior art keywords
flow
pulse
reproducibility
test
coefficient
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KR1019910022249A
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Korean (ko)
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KR100205527B1 (en
Inventor
유타카 오가와
기미히로 이치노세
Original Assignee
다까다 아키라
오바루 기기 고오교오 가부시끼가이샤
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Publication of KR920012886A publication Critical patent/KR920012886A/en
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Publication of KR100205527B1 publication Critical patent/KR100205527B1/en

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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01FMEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F1/00Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01FMEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F25/00Testing or calibration of apparatus for measuring volume, volume flow or liquid level or for metering by volume
    • G01F25/10Testing or calibration of apparatus for measuring volume, volume flow or liquid level or for metering by volume of flowmeters
    • G01F25/11Testing or calibration of apparatus for measuring volume, volume flow or liquid level or for metering by volume of flowmeters using a seal ball or piston in a test loop
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01FMEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F25/00Testing or calibration of apparatus for measuring volume, volume flow or liquid level or for metering by volume
    • G01F25/10Testing or calibration of apparatus for measuring volume, volume flow or liquid level or for metering by volume of flowmeters

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  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • General Physics & Mathematics (AREA)
  • Measuring Volume Flow (AREA)
  • Testing Of Individual Semiconductor Devices (AREA)

Abstract

내용 없음No content

Description

유량계 시험장치Flowmeter Tester

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음Since this is an open matter, no full text was included.

제1도는 본 발명의 유량계 시험장치의 원리구성의 일예를 나타내는 블록도, 제2도는 컴퓨터 소프트웨어의 플로우챠트, 제3도는 유량펄스의 불규칙성과 재현성과의 관계의 시험결과예를 나타내는 그래프.1 is a block diagram showing an example of the principle configuration of the flowmeter test apparatus of the present invention, FIG. 2 is a flowchart of computer software, and FIG. 3 is a graph showing an example of test results of the relationship between irregularity and reproducibility of flow pulses.

Claims (2)

일정유량에서 정해진 유량계수의 유량펄스를 불규칙하게 발신하는 피시험 유량계(3)와, 단면이 일정한 실린더(5)내에서 액과 밀접하게 왕복 운동이 가능한 피스톤(6)을 가지며, 실린더(5)내의 소정구간의 기준체적의 유량펄스수를 비교하며, 유량펄스의 유량계수를 구하는 유량계시험에 있어서, 상기 피시험유량계(3)가 단일체로 출력하는 유량펄스로로부터 이 유량펄스의 불규칙을 계측하는 수단과, 상기 기준체적과 유량계수로부터 취입유량펄스수를 산출하는 계산수단과, 미리 알려진, 상기 유량펄스 취입수단의 유량펄스 주기의 불규칙율에 대한 계측횟수당의 재현성과의 관계에서 상기 제1계측횟수에 있어서의 재현성을 산출하는 수단과, 요구하는 재현성과 이 재현성을 얻기에 필요한 계측횟수당 상기 피스톤(6)을 이동계측하는 프로우빙 패스수와의 관계에서, 요구하는 피시험유량계(3)의 재현성을 계산하는 계산수단을 가지는 주연산기(13) 및 이 주연산기(13)의 출력에 의거하여 상기기준체적관을 구동하는 구동제어부(14)로 구성한 것을 특징으로 하는 유량계 시험장치.It has a test flow meter (3) which irregularly transmits a flow pulse of a predetermined flow coefficient at a constant flow rate, and a piston (6) capable of reciprocating closely with a liquid in a cylinder (5) having a constant cross section. In the flowmeter test for comparing the number of flow pulses of a reference volume in a predetermined section and calculating the flow coefficient of the flow pulse, the irregularity of the flow pulse is measured from the flow pulse furnace output by the flowmeter 3 under test in a single body. Means for calculating a flow rate pulse number from the reference volume and the flow rate coefficient, and the first measurement in relation to a reproducibility of the measurement frequency per irregular rate of the flow rate pulse cycle of the flow rate pulse injection means. Means for calculating reproducibility in the number of times, number of probing passes for measuring the piston 6 per measurement number required to obtain the required reproducibility and the reproducibility; In relation to the main operator 13 having calculation means for calculating the reproducibility of the required flowmeter 3 and the drive control unit 14 for driving the reference volume pipe based on the output of the main operator 13. Flowmeter test apparatus, characterized in that consisting of. 일정유량에서 구해진 유량계수의 유량펄스를 불규칙하게 발신하는 피시험유량계(3)와, 단면이 일정한 실린더(5)내에서 액과 밀접하게 왕복 운동이 가능한 피스톤(6)을 가지며, 실린더(5)내의 소정구간의 기준체적의 유량펄스수를 비교하며, 유량펄스의 유량계수를 구하는 유량계시험에 있어서, 1계측횟수당의 프로우빙 패스수를 구하고 이 프로우빙 패스수 마다의 유량계수를 산출하는 유량계수단출수단과, 산출한 유량계수에서 이 유량계수의 표준편차를 산출하는 펴준편차산출수단과, 상기 표준편차가 규정에 유량계수의 재현성 이하의 때는 시험을 종료하고, 상기 규정의 재현성을 넘을 때, 유량계수의 표준편차의 크기에 따라 1계측횟수당 프로우빙 패스수를 정하며, 이 프로우빙 패스수가 소성수를 넘은 때, 계측횟수를 2회로 하는 판정기능을 가지는 주연산기(13)와, 이 주연산기(13)의 출력에 의하여 상기 기준체적관을 구동하는 구동제어부(14)를 구비한 것을 특징으로 하는 유량계 시험장치.It has a test flow meter (3) which irregularly transmits a flow pulse of a flow coefficient obtained at a constant flow rate, and a piston (6) capable of reciprocating closely with a liquid in a cylinder (5) having a constant cross section, and the cylinder (5) In the flowmeter test for comparing the flow pulse number of the reference volume in a predetermined section and obtaining the flow coefficient of the flow pulse, the flow coefficient for obtaining the probing pass number per measurement count and calculating the flow coefficient for each probing pass number When the standard deviation is less than or equal to the reproducibility of the flow coefficient, the test is terminated when the standard deviation is less than or equal to the reproducibility of the flow coefficient. The number of probing passes per measurement is determined according to the magnitude of the standard deviation of the flow coefficient, and when the probing pass number exceeds the firing number, it has a determination function of making two measurement counts. Peripheral diffuser 13, the diffuser peripheral flow meter test unit comprising the driving control unit 14 for driving the reference volume by the output pipe (13). ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019910022249A 1990-12-05 1991-12-05 Flow meter test apparatus KR100205527B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP40463890 1990-12-05
JP90-404638 1990-12-05

Publications (2)

Publication Number Publication Date
KR920012886A true KR920012886A (en) 1992-07-28
KR100205527B1 KR100205527B1 (en) 1999-07-01

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ID=18514297

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Application Number Title Priority Date Filing Date
KR1019910022249A KR100205527B1 (en) 1990-12-05 1991-12-05 Flow meter test apparatus

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KR (1) KR100205527B1 (en)
FR (1) FR2670288B1 (en)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4782236B1 (en) 2010-07-09 2011-09-28 株式会社オーバル Piston prober

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3428805A1 (en) * 1984-08-04 1986-02-13 Bopp & Reuther Gmbh, 6800 Mannheim TEST DEVICE FOR FLOWMETER

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FR2670288A1 (en) 1992-06-12
FR2670288B1 (en) 1994-05-06
KR100205527B1 (en) 1999-07-01

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