ATE130934T1 - Messsystem. - Google Patents

Messsystem.

Info

Publication number
ATE130934T1
ATE130934T1 AT90310990T AT90310990T ATE130934T1 AT E130934 T1 ATE130934 T1 AT E130934T1 AT 90310990 T AT90310990 T AT 90310990T AT 90310990 T AT90310990 T AT 90310990T AT E130934 T1 ATE130934 T1 AT E130934T1
Authority
AT
Austria
Prior art keywords
signal
microcontroller
transducer
matching stage
array
Prior art date
Application number
AT90310990T
Other languages
English (en)
Inventor
Michael John Gill
Original Assignee
British Gas Plc
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 British Gas Plc filed Critical British Gas Plc
Application granted granted Critical
Publication of ATE130934T1 publication Critical patent/ATE130934T1/de

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
    • G01F1/668—Compensating or correcting for variations in velocity of sound
    • 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
    • G01F1/704—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow using marked regions or existing inhomogeneities within the fluid stream, e.g. statistically occurring variations in a fluid parameter
    • G01F1/708—Measuring the time taken to traverse a fixed distance
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
    • G01P5/00—Measuring speed of fluids, e.g. of air stream; Measuring speed of bodies relative to fluids, e.g. of ship, of aircraft
    • G01P5/24—Measuring speed of fluids, e.g. of air stream; Measuring speed of bodies relative to fluids, e.g. of ship, of aircraft by measuring the direct influence of the streaming fluid on the properties of a detecting acoustical wave
    • G01P5/245—Measuring speed of fluids, e.g. of air stream; Measuring speed of bodies relative to fluids, e.g. of ship, of aircraft by measuring the direct influence of the streaming fluid on the properties of a detecting acoustical wave by measuring transit time of acoustical waves
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
    • G01P5/00—Measuring speed of fluids, e.g. of air stream; Measuring speed of bodies relative to fluids, e.g. of ship, of aircraft
    • G01P5/24—Measuring speed of fluids, e.g. of air stream; Measuring speed of bodies relative to fluids, e.g. of ship, of aircraft by measuring the direct influence of the streaming fluid on the properties of a detecting acoustical wave
    • G01P5/245—Measuring speed of fluids, e.g. of air stream; Measuring speed of bodies relative to fluids, e.g. of ship, of aircraft by measuring the direct influence of the streaming fluid on the properties of a detecting acoustical wave by measuring transit time of acoustical waves
    • G01P5/247—Sing-around-systems
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2291/00—Indexing codes associated with group G01N29/00
    • G01N2291/02—Indexing codes associated with the analysed material
    • G01N2291/028—Material parameters
    • G01N2291/02836—Flow rate, liquid level

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Fluid Mechanics (AREA)
  • Electromagnetism (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Photometry And Measurement Of Optical Pulse Characteristics (AREA)
  • Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
  • Investigating Or Analysing Biological Materials (AREA)
  • Measuring Volume Flow (AREA)
  • Arrangements For Transmission Of Measured Signals (AREA)
  • Transition And Organic Metals Composition Catalysts For Addition Polymerization (AREA)
  • Iron Core Of Rotating Electric Machines (AREA)
  • Acyclic And Carbocyclic Compounds In Medicinal Compositions (AREA)
AT90310990T 1989-10-31 1990-10-08 Messsystem. ATE130934T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB8924517A GB2237639B (en) 1989-10-31 1989-10-31 Measurement system

Publications (1)

Publication Number Publication Date
ATE130934T1 true ATE130934T1 (de) 1995-12-15

Family

ID=10665476

Family Applications (1)

Application Number Title Priority Date Filing Date
AT90310990T ATE130934T1 (de) 1989-10-31 1990-10-08 Messsystem.

Country Status (11)

Country Link
US (1) US5178018A (de)
EP (2) EP0670477A2 (de)
JP (2) JPH07119638B2 (de)
KR (1) KR940001143B1 (de)
AT (1) ATE130934T1 (de)
AU (2) AU620738B2 (de)
CA (1) CA2028011C (de)
DE (1) DE69023884T2 (de)
DK (1) DK0426309T3 (de)
ES (1) ES2080125T3 (de)
GB (2) GB2237639B (de)

Families Citing this family (53)

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NZ243293A (en) * 1991-06-25 1995-03-28 Commw Scient Ind Res Org Fluid flow meter: time of travel of acoustic wave packet through fluid
NZ243294A (en) * 1991-06-25 1995-04-27 Commw Scient Ind Res Org Time of flight of acoustic wave packets through fluid: reduction of higher order acoustic mode effects
GB9119742D0 (en) * 1991-09-16 1991-10-30 British Gas Plc Measurement system
GB2276240B (en) * 1993-03-16 1997-01-15 British Gas Plc Fluid flowmeter
GB2282447B (en) * 1993-09-29 1997-02-12 Siemens Measurements Ltd Improvements in or relating to gas meters
JPH07248517A (ja) * 1994-03-10 1995-09-26 Nikon Corp 振動検出装置
FR2721360B1 (fr) * 1994-06-17 1996-08-02 Schlumberger Ind Sa Oscillateur fluidique et procédé de mesure d'une quantité volumique de fluide s'écoulant dans un tel oscillateur fluidique.
JPH08122117A (ja) * 1994-10-19 1996-05-17 Matsushita Electric Ind Co Ltd 流量計測装置
FR2734361B1 (fr) 1995-05-17 1997-07-18 Schlumberger Ind Sa Dispositif pour la mesure de la vitesse d'ecoulement d'un fluide par ultrasons
DE19522697A1 (de) * 1995-06-22 1997-01-09 Sick Optik Elektronik Erwin Verfahren und Schaltungsanordnung zur Messung der Strömungsgeschwindigkeit mittels akustischer Laufzeitdifferenzen
FR2739185B1 (fr) * 1995-09-25 1997-11-14 Schlumberger Ind Sa Procede de mesure acoustique d'un debit de fluide
FR2748816B1 (fr) * 1996-05-17 1998-07-31 Schlumberger Ind Sa Dispositif ultrasonore de mesure de la vitesse d'ecoulement d'un fluide
FR2749652B1 (fr) * 1996-06-07 1998-08-21 Schlumberger Ind Sa Procede de mesure du temps de propagation d'un signal acoustique dans un fluide par passage a zero dudit signal acoustique
US5777238A (en) * 1996-06-12 1998-07-07 Welch Allyn, Inc. Driver-receiver apparatus for use with ultrasonic flowmeters
US6112601A (en) * 1996-07-01 2000-09-05 Schlumberger Industries, S.A. Method and apparatus for measuring the flow rate of a flowing fluid
FR2750495B1 (fr) * 1996-07-01 1998-08-21 Schlumberger Ind Sa Procede et dispositif de mesure d'un debit de fluide en ecoulement
US5668326A (en) * 1996-10-04 1997-09-16 Dieterich Technology Holding Corp. Method and apparatus for detecting and aligning a signal
US5814737A (en) * 1996-10-04 1998-09-29 Dieterich Technology Holding Corp. Apparatus and method of detecting an ultrasonic signal
US6062091A (en) * 1997-04-22 2000-05-16 Baumoel; Joseph Method and apparatus for determining ultrasonic pulse arrival in fluid using phase correlation
US6314055B1 (en) 1998-10-16 2001-11-06 Intersense, Inc. Range measuring system
FR2787880B1 (fr) * 1998-12-29 2001-03-02 Schlumberger Ind Sa Dispositif et procede de mesure ultrasonore de debit de fluide comportant un convertisseur analogique numerique sigma-delta passe bande
JP2000206099A (ja) * 1999-01-11 2000-07-28 Ngk Spark Plug Co Ltd ガス濃度センサ
AU7136200A (en) * 1999-07-28 2001-02-19 Intersense, Inc. Range measuring system
AUPQ480199A0 (en) 1999-12-22 2000-02-03 AGL Consultancy Pty. Limited Timed window ultrasonic gas meter with nose cone
JP4886120B2 (ja) * 2001-05-16 2012-02-29 東京計器株式会社 超音波流速計
DE10163566A1 (de) * 2001-12-21 2003-07-10 Flowtec Ag Pulsgenerator
JP3585476B2 (ja) * 2002-03-15 2004-11-04 松下電器産業株式会社 流量計測装置
US6925891B2 (en) 2002-04-30 2005-08-09 Matsushita Electric Industrial Co., Ltd. Ultrasonic flowmeter and method of measuring flow volume
JP3669580B2 (ja) 2002-05-24 2005-07-06 学校法人慶應義塾 超音波流速分布及び流量計
AU2003902318A0 (en) 2003-05-14 2003-05-29 Vision Fire And Security Pty Ltd Improved Sensing Apparatus And Method
RU2284015C2 (ru) * 2004-04-01 2006-09-20 Московский государственный горный университет (МГГУ) Способ измерения расхода потока и устройство для его осуществления
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
GB0516752D0 (en) * 2005-08-13 2005-09-21 Flownetix Ltd A method for ultra low power transit time ultrasonic flow measurement
EP1913342B1 (de) * 2005-08-13 2019-12-04 Flownetix Limited Ultraschall-strömungsmessung mit geringem stromverbrauch
JP4788235B2 (ja) * 2005-08-16 2011-10-05 パナソニック株式会社 流体の流れ計測装置
SE529249C2 (sv) * 2005-10-14 2007-06-12 Hexagon Metrology Ab Förfarande vid signalbehandling vid kapacitiva mätskalor
GB2433321B (en) * 2005-12-16 2010-06-02 Landis & Gyr Ag A gas meter
RU2348904C1 (ru) * 2007-08-06 2009-03-10 Общество с ограниченной ответственностью Научно-производственный центр "Ультразвуковые технологии" Способ акустического измерения расхода текучих сред
US8695435B2 (en) 2008-05-12 2014-04-15 Closed Corporation Coherent Method of measuring a volume flow rate of a controlled medium in a pipeline
RU2367912C1 (ru) * 2008-05-12 2009-09-20 Закрытое Акционерное Общество "Когерент" Устройство для определения объемного расхода контролируемой среды в трубопроводе
US20110119007A1 (en) * 2009-11-18 2011-05-19 Avago Technologies Wireless Ip (Singapore) Pte. Ltd. Method and system for determining the time-of-flight of a signal
EP2522276A1 (de) 2011-05-13 2012-11-14 General Electric Company Flugbahnadapter und Gasanalysegerät zum Messen der Sauerstoffkonzentration für ein Atemgas
CN102389593B (zh) * 2011-07-08 2013-12-25 重庆市澳凯龙医疗器械研究有限公司 差分流量信号处理装置及方法
EP2581715A1 (de) * 2011-10-13 2013-04-17 Miitors ApS Ultraschalldurchflussmesser
US10006791B2 (en) * 2015-09-23 2018-06-26 Texas Instruments Incorporated Ultrasonic flow meter auto-tuning for reciprocal operation of the meter
GB2549717B (en) 2016-04-25 2018-09-05 Sentronics Ltd Flow meter
CN105911308A (zh) * 2016-06-13 2016-08-31 中科同德（厦门）物联网科技有限公司 一种风速风向的测量方法
DE102017011861B4 (de) * 2017-12-01 2022-09-29 Diehl Metering Gmbh Verfahren zur Bestimmung der Laufzeit eines Ultraschallsignals in einem strömenden Medium sowie Ultraschalldurchflussmesser
RU2676225C1 (ru) * 2018-02-07 2018-12-26 Юрий Александрович Борисов Контрольно-проверочный комплекс для проверки доплеровских измерителей скорости и сноса
JP7189048B2 (ja) * 2019-02-25 2022-12-13 アズビル株式会社 超音波流量計および出力インピーダンス設定方法
FR3098599B1 (fr) * 2019-07-12 2021-08-06 Sagemcom Energy & Telecom Sas Procédé de mesure de la vitesse d’un fluide
US12018965B2 (en) 2022-03-28 2024-06-25 Defiant Engineering Llc Axial LiDAR doppler analyzer
DE102022117248A1 (de) * 2022-07-11 2024-01-11 Esters-Elektronik GmbH Verfahren und Fluidistor zur Bestimmung einer Durchflussmenge oder eines Maßes dafür eines durch eine Strömungsleitung strömenden Fluids, Verwendung und Fluid-Bereitstellungs-Einheit

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FR2454101A1 (fr) * 1979-04-11 1980-11-07 Onera (Off Nat Aerospatiale) Appareil de mesure de la vitesse d'une veine liquide par ultra-sons
JPS56132521A (en) * 1980-03-19 1981-10-16 Yokogawa Hokushin Electric Corp Ultrasonic flowmeter
DE3025788C2 (de) * 1980-07-08 1985-07-04 Danfoss A/S, Nordborg Ultraschall-Meßgerät
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Also Published As

Publication number Publication date
DK0426309T3 (da) 1995-12-27
AU620738B2 (en) 1992-02-20
GB8924517D0 (en) 1989-12-20
JPH07119638B2 (ja) 1995-12-20
JPH08170926A (ja) 1996-07-02
ES2080125T3 (es) 1996-02-01
JP2777084B2 (ja) 1998-07-16
KR910008387A (ko) 1991-05-31
EP0426309A3 (en) 1993-03-03
US5178018A (en) 1993-01-12
GB2266373B (en) 1994-07-06
EP0670477A2 (de) 1995-09-06
AU6475590A (en) 1991-05-09
GB9312017D0 (en) 1993-07-28
GB2237639A (en) 1991-05-08
HK1008086A1 (en) 1999-04-30
DE69023884T2 (de) 1996-04-25
KR940001143B1 (ko) 1994-02-14
JPH03180767A (ja) 1991-08-06
EP0426309A2 (de) 1991-05-08
AU8807991A (en) 1992-01-16
AU640538B2 (en) 1993-08-26
CA2028011A1 (en) 1991-05-01
EP0426309B1 (de) 1995-11-29
DE69023884D1 (de) 1996-01-11
GB2266373A (en) 1993-10-27
GB2237639B (en) 1994-07-06
CA2028011C (en) 2000-02-01

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Legal Events

Date Code Title Description
UEP Publication of translation of european patent specification
EEIH Change in the person of patent owner
REN Ceased due to non-payment of the annual fee