TW200714876A - Flow measuring instrument of fluid - Google Patents

Flow measuring instrument of fluid

Info

Publication number
TW200714876A
TW200714876A TW095129566A TW95129566A TW200714876A TW 200714876 A TW200714876 A TW 200714876A TW 095129566 A TW095129566 A TW 095129566A TW 95129566 A TW95129566 A TW 95129566A TW 200714876 A TW200714876 A TW 200714876A
Authority
TW
Taiwan
Prior art keywords
time
measurement
oscillation circuit
time measuring
control section
Prior art date
Application number
TW095129566A
Other languages
English (en)
Other versions
TWI288819B (en
Inventor
Koichi Takemura
Daisuke Bessyo
Fumikazu Shiba
Yuji Nakabayashi
Original Assignee
Matsushita Electric Industrial Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Publication of TW200714876A publication Critical patent/TW200714876A/zh
Application granted granted Critical
Publication of TWI288819B publication Critical patent/TWI288819B/zh

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F1/00—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow
    • G01F1/66—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by measuring frequency, phase shift or propagation time of electromagnetic or other waves, e.g. using ultrasonic flowmeters
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F1/00—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow
    • G01F1/66—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by measuring frequency, phase shift or propagation time of electromagnetic or other waves, e.g. using ultrasonic flowmeters
    • G01F1/667—Arrangements of transducers for ultrasonic flowmeters; Circuits for operating ultrasonic flowmeters
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F1/00—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow
    • G01F1/56—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using electric or magnetic effects
    • G01F1/58—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using electric or magnetic effects by electromagnetic flowmeters
    • G01F1/60—Circuits therefor

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Fluid Mechanics (AREA)
  • General Physics & Mathematics (AREA)
  • Measuring Volume Flow (AREA)
TW095129566A 2005-08-16 2006-08-11 Flow measuring instrument of fluid TWI288819B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2005235734A JP4788235B2 (ja) 2005-08-16 2005-08-16 流体の流れ計測装置

Publications (2)

Publication Number Publication Date
TW200714876A true TW200714876A (en) 2007-04-16
TWI288819B TWI288819B (en) 2007-10-21

Family

ID=37757505

Family Applications (1)

Application Number Title Priority Date Filing Date
TW095129566A TWI288819B (en) 2005-08-16 2006-08-11 Flow measuring instrument of fluid

Country Status (7)

Country Link
US (1) US7634366B2 (zh)
EP (1) EP1921424B1 (zh)
JP (1) JP4788235B2 (zh)
KR (1) KR100967265B1 (zh)
CN (1) CN101223420B (zh)
TW (1) TWI288819B (zh)
WO (1) WO2007020843A1 (zh)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5402620B2 (ja) * 2009-01-06 2014-01-29 パナソニック株式会社 流量計測装置
ITMI20090320A1 (it) * 2009-03-05 2010-09-06 Barberi Rubinetterie Ind S R L Valvola regolatrice di portata
WO2011040027A1 (ja) * 2009-09-30 2011-04-07 パナソニック株式会社 流量計測装置
JP5753970B2 (ja) * 2010-10-22 2015-07-22 パナソニックＩｐマネジメント株式会社 流量計測装置
JP2012127663A (ja) * 2010-12-13 2012-07-05 Panasonic Corp 流量計測装置
JP5942085B2 (ja) * 2011-12-26 2016-06-29 パナソニックＩｐマネジメント株式会社 流量補正係数設定方法とこれを用いた流量計測装置
GB2507118A (en) * 2012-10-19 2014-04-23 Secure Internat Holdings Pte Ltd Ultrasonic fluid flow metering apparatus
JP6209732B2 (ja) * 2013-05-29 2017-10-11 パナソニックＩｐマネジメント株式会社 超音波流量計測装置
JP6273487B2 (ja) 2013-07-12 2018-02-07 国立研究開発法人宇宙航空研究開発機構 脈動する流量を計測する方法及び装置
DE102016117007A1 (de) 2016-09-09 2018-03-15 Endress + Hauser Flowtec Ag Verfahren und System zur Verifikation einer elektrischen oder elektronischen Komponente
JP7211902B2 (ja) * 2019-06-14 2023-01-24 アズビル株式会社 時間計測装置および方法
JP7448330B2 (ja) * 2019-10-08 2024-03-12 アズビル株式会社 時間計測回路および超音波流量計
JP7615562B2 (ja) * 2020-08-07 2025-01-17 オムロン株式会社 伝搬時間測定装置
FR3114387B1 (fr) * 2020-09-22 2023-01-20 Integra Metering Sas Procédé de mesure de débit d’un fluide dans une canalisation
FR3114388B1 (fr) * 2020-09-22 2022-11-11 Integra Metering Sas Procédé de mesure de débit d’un fluide dans une canalisation
CN112730607B (zh) * 2020-12-31 2022-12-16 青岛精安医疗科技有限责任公司 基于流量检测的超声波氧浓度测量方法、系统和制氧系统
CN117029975B (zh) * 2023-10-09 2023-12-15 成都千嘉科技股份有限公司 一种超声波燃气表的多环境自适应方法

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55109916A (en) * 1979-02-16 1980-08-23 Toshiba Corp Ultrasonic flow meter
GB2237639B (en) * 1989-10-31 1994-07-06 British Gas Plc Measurement system
JP2866332B2 (ja) * 1995-11-09 1999-03-08 愛知時計電機株式会社 超音波流量計
JP3689973B2 (ja) * 1996-05-16 2005-08-31 松下電器産業株式会社 流量計測装置
KR100487690B1 (ko) * 1999-06-24 2005-05-06 마쯔시다덴기산교 가부시키가이샤 유량계
JP2001289681A (ja) * 2000-04-07 2001-10-19 Aichi Tokei Denki Co Ltd 超音波流量計
JP4774618B2 (ja) * 2001-04-09 2011-09-14 パナソニック株式会社 流量計測装置
JP2002350202A (ja) * 2001-05-30 2002-12-04 Matsushita Electric Ind Co Ltd 流量計測装置
JP3443657B2 (ja) 2001-07-18 2003-09-08 松下電器産業株式会社 流量計測装置
JP2003315124A (ja) * 2002-04-26 2003-11-06 Osaka Gas Co Ltd 超音波流量計
DE102004023147A1 (de) * 2004-05-07 2005-11-24 Endress + Hauser Flowtec Ag, Reinach Vorrichtung zur Bestimmung und/oder Überwachung des Volumen- und/oder Massendurchflusses eines Mediums

Also Published As

Publication number Publication date
WO2007020843A1 (ja) 2007-02-22
JP2007051890A (ja) 2007-03-01
US20080289434A1 (en) 2008-11-27
JP4788235B2 (ja) 2011-10-05
TWI288819B (en) 2007-10-21
KR100967265B1 (ko) 2010-07-01
CN101223420A (zh) 2008-07-16
EP1921424A1 (en) 2008-05-14
EP1921424A4 (en) 2012-06-13
KR20080030668A (ko) 2008-04-04
CN101223420B (zh) 2010-08-11
EP1921424B1 (en) 2016-03-23
US7634366B2 (en) 2009-12-15

Similar Documents

Publication Publication Date Title
TW200714876A (en) Flow measuring instrument of fluid
SG147323A1 (en) Continuous dissolving device, continuous dissolving method, and gas- dissolved water supply
EP2101160A1 (en) Ultrasonic flow meter
PT2029975E (pt) Um método e um aparelho para operar uma válvula electromagnética associada a um contador de gás
TW200719859A (en) Method and apparatus for pump control
DK1318385T3 (da) Massegennemströmningsmåleapparat og fremgangsmåde til drift af et massegennemströmningsmåleapparat
ATE431919T1 (de) Gasabfüllanlage
DK1693654T3 (da) Fremgangsmåde til drift af en Coriolis-masseflowmåler
DK1725192T3 (da) Apparat til blanding og afgivelse af knoglecement
DK1427086T4 (da) Elektrisk apparat og fremgangsmåde til drift af et elektrisk apparat
BRPI0419043A (pt) método e aparelho de compensação para um medidor de fluxo coriolis
DK1173279T3 (da) Fremgangsmåde og anordning til påføring af små væskemængder
ATE475804T1 (de) Dosierpumpsystem und verfahren zum betreiben einer dosierpumpe
TW200625037A (en) Instrument for measuring intervals of time comprising a ringing mechanism
DE60216741D1 (de) Steuerventilüberwachung
CA2488471A1 (en) Method for operating a measuring instrument
EP1946190A4 (en) METHOD FOR ASSIGNING A DELAY TIME TO ELECTRONIC DELAYING TECNONATORS
KR101630768B1 (ko) 배터리 전원 유량계
ATE543198T1 (de) Plasmaanregungssystem
DE502004002377D1 (de) Abtropfsichere Pipettiervorrichtung und abtropfsicheres Pipettierverfahren
DE50307856D1 (de) Resonatorschalldämpfer
ATE372733T1 (de) Vorrichtung zum applizieren von knochenzement
EP1758215A3 (en) High frequency discharge excited gas laser oscillator
SE0601547L (sv) Vätskenivåmätanordning
ATE446477T1 (de) Verfahren zur auslegung einer entladungslampe