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WO2008081610A1 - 超音波流量計 - Google Patents

超音波流量計 Download PDF

Info

Publication number
WO2008081610A1
WO2008081610A1 PCT/JP2007/059117 JP2007059117W WO2008081610A1 WO 2008081610 A1 WO2008081610 A1 WO 2008081610A1 JP 2007059117 W JP2007059117 W JP 2007059117W WO 2008081610 A1 WO2008081610 A1 WO 2008081610A1
Authority
WO
WIPO (PCT)
Prior art keywords
vibrator
flow meter
ultrasonic flow
vibration
pulses
Prior art date
Legal status (The legal status 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 status listed.)
Ceased
Application number
PCT/JP2007/059117
Other languages
English (en)
French (fr)
Inventor
Daisuke Bessyo
Fumikazu Shiba
Koichi Takemura
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Panasonic Corp
Panasonic Holdings Corp
Original Assignee
Panasonic Corp
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 Panasonic Corp, Matsushita Electric Industrial Co Ltd filed Critical Panasonic Corp
Priority to CN2007800487294A priority Critical patent/CN101583853B/zh
Priority to EP07742552.8A priority patent/EP2101160B1/en
Priority to US12/521,443 priority patent/US7987731B2/en
Priority to KR1020097013187A priority patent/KR101113772B1/ko
Priority to JP2008552041A priority patent/JP5177890B2/ja
Publication of WO2008081610A1 publication Critical patent/WO2008081610A1/ja
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Fluid Mechanics (AREA)
  • General Physics & Mathematics (AREA)
  • Measuring Volume Flow (AREA)

Abstract

　超音波流量計において超音波の伝播時間を計測するために用いる振動子の動作は省電力化のために間欠動作が望ましい。しかしながら振動子のパルス安定性には時間を要するので間欠動作ができないという課題がある。 　振動子６０と、前記振動子の振動を早める振動開始手段６１とを備え、前記振動開始手段６１で振動された前記振動子のパルスを超音波の伝播時間計測に用いるようにした超音波流量計。
PCT/JP2007/059117 2006-12-27 2007-04-26 超音波流量計 Ceased WO2008081610A1 (ja)

Priority Applications (5)

Application Number Priority Date Filing Date Title
CN2007800487294A CN101583853B (zh) 2006-12-27 2007-04-26 超声波流量计
EP07742552.8A EP2101160B1 (en) 2006-12-27 2007-04-26 Ultrasonic flow meter
US12/521,443 US7987731B2 (en) 2006-12-27 2007-04-26 Ultrasonic flowmeter including an oscillation start unit for acceleration stability of the oscillator
KR1020097013187A KR101113772B1 (ko) 2006-12-27 2007-04-26 초음파 유량계
JP2008552041A JP5177890B2 (ja) 2006-12-27 2007-04-26 超音波流量計

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2006-351251 2006-12-27
JP2006351251 2006-12-27

Publications (1)

Publication Number Publication Date
WO2008081610A1 true WO2008081610A1 (ja) 2008-07-10

Family

ID=39588298

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2007/059117 Ceased WO2008081610A1 (ja) 2006-12-27 2007-04-26 超音波流量計

Country Status (6)

Country Link
US (1) US7987731B2 (ja)
EP (1) EP2101160B1 (ja)
JP (1) JP5177890B2 (ja)
KR (1) KR101113772B1 (ja)
CN (1) CN101583853B (ja)
WO (1) WO2008081610A1 (ja)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2010070892A1 (ja) * 2008-12-18 2010-06-24 パナソニック株式会社 発振回路
JP2020204472A (ja) * 2019-06-14 2020-12-24 アズビル株式会社 時間計測装置および方法

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102713531A (zh) * 2010-01-07 2012-10-03 松下电器产业株式会社 超声波流量计
EP2383550A1 (en) 2010-04-28 2011-11-02 Miitors ApS Ultrasonic flow meter
DE102011005170B4 (de) * 2011-03-07 2012-10-11 Flexim Flexible Industriemesstechnik Gmbh Verfahren zur Ultraschall-Clamp-on-Durchflussmessung und Vorrichtung zur Umsetzung des Verfahrens
WO2013165314A1 (en) * 2012-05-04 2013-11-07 Dhi Water & Environment (S) Pte Ltd A flow meter system
JP5906388B2 (ja) * 2012-05-17 2016-04-20 パナソニックＩｐマネジメント株式会社 流量計測装置
CN104864923A (zh) * 2014-02-24 2015-08-26 通用电气公司 传送和接收超声信号的电路组件及使用该电路组件的系统和方法
US9714855B2 (en) 2015-01-26 2017-07-25 Arad Ltd. Ultrasonic water meter
EP3343192A1 (en) 2016-12-29 2018-07-04 Aros Electronics AB Optical torque sensor
DE102018003311B4 (de) * 2018-04-24 2022-05-12 Diehl Metering Gmbh Verfahren und Messeinrichtung zur Ermittlung einer Messinformation
JP2022048471A (ja) * 2020-09-15 2022-03-28 オムロン株式会社 伝搬時間測定装置
CN112833999B (zh) * 2021-03-04 2024-08-02 宁波水表(集团)股份有限公司 一种超声水表的快速校表方法

Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS51123044A (en) * 1975-04-21 1976-10-27 Hitachi Ltd Starting circuit in the oscillation circuit
JPS5441058A (en) * 1977-09-08 1979-03-31 Citizen Watch Co Ltd Crystal oscillator circuit
JPH08122117A (ja) 1994-10-19 1996-05-17 Matsushita Electric Ind Co Ltd 流量計測装置
JPH09133562A (ja) * 1995-11-09 1997-05-20 Aichi Tokei Denki Co Ltd 超音波流量計
JPH11163632A (ja) 1997-11-25 1999-06-18 Hitachi Ltd 発振回路
JP2001320237A (ja) * 2000-05-11 2001-11-16 Toyo Commun Equip Co Ltd 圧電発振回路
JP2003008403A (ja) * 2001-06-25 2003-01-10 Matsushita Electric Ind Co Ltd 発振回路
JP2003315124A (ja) * 2002-04-26 2003-11-06 Osaka Gas Co Ltd 超音波流量計
US6819195B1 (en) 2003-03-07 2004-11-16 Ami Semiconductor, Inc. Stimulated quick start oscillator
JP2006351251A (ja) 2005-06-13 2006-12-28 Maspro Denkoh Corp 同軸ケーブル用ｆ型接栓

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3894431A (en) * 1972-04-04 1975-07-15 Atomic Energy Authority Uk Apparatus for indicating fluid flow velocity
US4308754A (en) * 1979-10-19 1982-01-05 Panametrics, Inc. Ultrasonic flowmeter
US4782282A (en) * 1986-07-09 1988-11-01 Dickey-John Corporation Capacitive-type seed sensor for a planter monitor
US6796189B1 (en) * 1999-06-24 2004-09-28 Matsushita Electric Industrial Co., Ltd. Ultrasonic flowmeter having sequentially changed driving method
CN2391174Y (zh) * 1999-10-25 2000-08-09 张力新 一体式超声波流量计
DK174756B1 (da) * 2002-06-30 2003-10-20 Siemens Flow Instr As Fremgangsmåde til måling af flow ved hjælp af en ultralydsflowmåler
DE102005001684A1 (de) * 2005-01-13 2006-07-27 Infineon Technologies Ag Schnellstartschaltung für Quarz-Oszillatoren

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS51123044A (en) * 1975-04-21 1976-10-27 Hitachi Ltd Starting circuit in the oscillation circuit
JPS5441058A (en) * 1977-09-08 1979-03-31 Citizen Watch Co Ltd Crystal oscillator circuit
JPH08122117A (ja) 1994-10-19 1996-05-17 Matsushita Electric Ind Co Ltd 流量計測装置
JPH09133562A (ja) * 1995-11-09 1997-05-20 Aichi Tokei Denki Co Ltd 超音波流量計
JPH11163632A (ja) 1997-11-25 1999-06-18 Hitachi Ltd 発振回路
JP2001320237A (ja) * 2000-05-11 2001-11-16 Toyo Commun Equip Co Ltd 圧電発振回路
JP2003008403A (ja) * 2001-06-25 2003-01-10 Matsushita Electric Ind Co Ltd 発振回路
JP2003315124A (ja) * 2002-04-26 2003-11-06 Osaka Gas Co Ltd 超音波流量計
US6819195B1 (en) 2003-03-07 2004-11-16 Ami Semiconductor, Inc. Stimulated quick start oscillator
JP2006351251A (ja) 2005-06-13 2006-12-28 Maspro Denkoh Corp 同軸ケーブル用ｆ型接栓

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2010070892A1 (ja) * 2008-12-18 2010-06-24 パナソニック株式会社 発振回路
JP2010147758A (ja) * 2008-12-18 2010-07-01 Panasonic Corp 発振回路
CN102257725A (zh) * 2008-12-18 2011-11-23 松下电器产业株式会社 振荡电路
US8413523B2 (en) 2008-12-18 2013-04-09 Panasonic Corporation Oscillation circuit
CN102257725B (zh) * 2008-12-18 2014-05-21 松下电器产业株式会社 振荡电路
JP2020204472A (ja) * 2019-06-14 2020-12-24 アズビル株式会社 時間計測装置および方法
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

Also Published As

Publication number Publication date
JPWO2008081610A1 (ja) 2010-04-30
CN101583853A (zh) 2009-11-18
KR20090086446A (ko) 2009-08-12
US20100319464A1 (en) 2010-12-23
KR101113772B1 (ko) 2012-02-27
JP5177890B2 (ja) 2013-04-10
CN101583853B (zh) 2012-01-04
EP2101160B1 (en) 2015-04-08
US7987731B2 (en) 2011-08-02
EP2101160A4 (en) 2011-11-02
EP2101160A1 (en) 2009-09-16

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