JPS58120119A - 超音波流量計 - Google Patents

超音波流量計

Info

Publication number
JPS58120119A
JPS58120119A JP57003651A JP365182A JPS58120119A JP S58120119 A JPS58120119 A JP S58120119A JP 57003651 A JP57003651 A JP 57003651A JP 365182 A JP365182 A JP 365182A JP S58120119 A JPS58120119 A JP S58120119A
Authority
JP
Japan
Prior art keywords
signal
ultrasonic
zero
output
height discriminator
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.)
Granted
Application number
JP57003651A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0447249B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html
Inventor
Yoshikazu Ikenaga
池永　良和
Eizo Matsumoto
英三 松本
Seiji Takahashi
誠二 高橋
Minoru Oda
稔 小田
Sadahiko Ozaki
尾崎　禎彦
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.)
Kansai Electric Power Co Inc
Mitsubishi Electric Corp
Original Assignee
Kansai Electric Power Co Inc
Mitsubishi Electric Corp
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 Kansai Electric Power Co Inc, Mitsubishi Electric Corp filed Critical Kansai Electric Power Co Inc
Priority to JP57003651A priority Critical patent/JPS58120119A/ja
Publication of JPS58120119A publication Critical patent/JPS58120119A/ja
Publication of JPH0447249B2 publication Critical patent/JPH0447249B2/ja
Granted 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
    • 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)
  • Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
  • Measuring Volume Flow (AREA)
  • Manipulation Of Pulses (AREA)
JP57003651A 1982-01-13 1982-01-13 超音波流量計 Granted JPS58120119A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP57003651A JPS58120119A (ja) 1982-01-13 1982-01-13 超音波流量計

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP57003651A JPS58120119A (ja) 1982-01-13 1982-01-13 超音波流量計

Publications (2)

Publication Number Publication Date
JPS58120119A true JPS58120119A (ja) 1983-07-16
JPH0447249B2 JPH0447249B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1992-08-03

Family

ID=11563372

Family Applications (1)

Application Number Title Priority Date Filing Date
JP57003651A Granted JPS58120119A (ja) 1982-01-13 1982-01-13 超音波流量計

Country Status (1)

Country Link
JP (1) JPS58120119A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01100488A (ja) * 1987-10-14 1989-04-18 Tokyo Keiki Co Ltd 超音波距離測定装置
US5123286A (en) * 1990-04-20 1992-06-23 Siemens Aktiengesellschaft Electric measuring device for measuring the propagation delay of an electrical signal
EP0750180A1 (de) * 1995-06-22 1996-12-27 Erwin Sick GmbH Optik-Elektronik Verfahren und Schaltungsanordnung zur Messung der Strömungsgeschwindigkeit mittels akustischer Laufdifferenzen
JP2007530933A (ja) * 2004-03-25 2007-11-01 ローベルト　ボツシユ　ゲゼルシヤフト　ミツト　ベシユレンクテル　ハフツング 可変的閾値を有する超音波信号のゼロ交差検出
CN105444827A (zh) * 2014-08-31 2016-03-30 上海中核维思仪器仪表有限公司 一种采用双边测量超声波传输时间的测量方法

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01100488A (ja) * 1987-10-14 1989-04-18 Tokyo Keiki Co Ltd 超音波距離測定装置
US5123286A (en) * 1990-04-20 1992-06-23 Siemens Aktiengesellschaft Electric measuring device for measuring the propagation delay of an electrical signal
EP0750180A1 (de) * 1995-06-22 1996-12-27 Erwin Sick GmbH Optik-Elektronik Verfahren und Schaltungsanordnung zur Messung der Strömungsgeschwindigkeit mittels akustischer Laufdifferenzen
US5804739A (en) * 1995-06-22 1998-09-08 Erwin Sick Gmbh Optik-Elektronik Method and circuit arrangement for the measurement of flow speed by means of acoustical transit time differences
JP2007530933A (ja) * 2004-03-25 2007-11-01 ローベルト　ボツシユ　ゲゼルシヤフト　ミツト　ベシユレンクテル　ハフツング 可変的閾値を有する超音波信号のゼロ交差検出
CN105444827A (zh) * 2014-08-31 2016-03-30 上海中核维思仪器仪表有限公司 一种采用双边测量超声波传输时间的测量方法

Also Published As

Publication number Publication date
JPH0447249B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1992-08-03

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