JPH0377932B2 - - Google Patents

Info

Publication number
JPH0377932B2
JPH0377932B2 JP58113278A JP11327883A JPH0377932B2 JP H0377932 B2 JPH0377932 B2 JP H0377932B2 JP 58113278 A JP58113278 A JP 58113278A JP 11327883 A JP11327883 A JP 11327883A JP H0377932 B2 JPH0377932 B2 JP H0377932B2
Authority
JP
Japan
Prior art keywords
excitation
voltage
current
period
excitation current
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.)
Expired
Application number
JP58113278A
Other languages
English (en)
Japanese (ja)
Other versions
JPS604811A (ja
Inventor
Yoshiji Fukai
Shigeru Goto
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.)
Yokogawa Electric Corp
Original Assignee
Yokogawa 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 Yokogawa Electric Corp filed Critical Yokogawa Electric Corp
Priority to JP58113278A priority Critical patent/JPS604811A/ja
Priority to US06/621,509 priority patent/US4651286A/en
Publication of JPS604811A publication Critical patent/JPS604811A/ja
Publication of JPH0377932B2 publication Critical patent/JPH0377932B2/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
    • G01F1/56—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)
JP58113278A 1983-06-23 1983-06-23 電磁流量計 Granted JPS604811A (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP58113278A JPS604811A (ja) 1983-06-23 1983-06-23 電磁流量計
US06/621,509 US4651286A (en) 1983-06-23 1984-06-18 Electromagnetic flowmeter

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP58113278A JPS604811A (ja) 1983-06-23 1983-06-23 電磁流量計

Publications (2)

Publication Number Publication Date
JPS604811A JPS604811A (ja) 1985-01-11
JPH0377932B2 true JPH0377932B2 (en]) 1991-12-12

Family

ID=14608119

Family Applications (1)

Application Number Title Priority Date Filing Date
JP58113278A Granted JPS604811A (ja) 1983-06-23 1983-06-23 電磁流量計

Country Status (2)

Country Link
US (1) US4651286A (en])
JP (1) JPS604811A (en])

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5877262B1 (ja) * 2015-04-24 2016-03-02 東京計装株式会社 電磁流量計用キャリブレータ

Families Citing this family (35)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61204521A (ja) * 1985-03-08 1986-09-10 Hitachi Ltd 電磁流量計
DE3512921A1 (de) 1985-04-11 1986-10-16 Turbo-Werk Messtechnik GmbH, 5000 Köln Schaltungsanordnung zur erzeugung eines pulsierenden magnetischen feldes in der erregerspule eines induktiven durchflussmessers
DE3537752A1 (de) * 1985-10-23 1987-04-23 Flowtec Ag Verfahren zur kompensation von stoerspannungen im elektrodenkreis bei der magnetisch-induktiven durchflussmessung
DE3725312A1 (de) * 1987-07-30 1989-02-09 Jiri Hokynar Steuergeraet fuer fluidfluss
WO1990001189A1 (en) * 1988-07-28 1990-02-08 Robert Bosch Gmbh Apparatus for defined switching of a microcomputer to standby mode
US5844143A (en) * 1992-04-17 1998-12-01 Kabushiki Kaisha Toshiba Electromagnetic flowmeter
DE10118001C2 (de) * 2001-04-10 2003-08-28 Krohne Messtechnik Kg Magnetisch-induktives Durchflußmeßgerät und magnetisch-induktives Durchflußmeßverfahren
US6708569B2 (en) * 2001-07-06 2004-03-23 Endress + Hauser Flowtec Ag Method of operating an electromagnetic flowmeter
DE10239476A1 (de) * 2002-08-28 2004-03-18 Abb Patent Gmbh Verfahren und Einrichtung zum Betrieb einer induktiven Durchflussmesseinrichtung
EP1464929A3 (en) * 2003-04-02 2007-06-20 ABB Limited Electromagnetic flow meter
DE10329540A1 (de) * 2003-06-30 2005-02-24 Endress + Hauser Flowtec Ag, Reinach Verfahren zum Betrieb eines magnetisch-induktiven Durchflußmessers
DE102004019189B3 (de) * 2004-04-16 2005-08-18 Krohne Ag Magnetisch-induktives Durchflußmeßverfahren und magnetisch-induktives Durchflußmeßgerät
CN100363719C (zh) * 2004-08-12 2008-01-23 横河电机株式会社 电磁流量计
US7073393B2 (en) * 2004-11-01 2006-07-11 Rosemount Inc. Magnetic flowmeter with built-in simulator
US7353119B2 (en) * 2006-03-14 2008-04-01 Rosemount Inc. Reduced noise sensitivity in magnetic flowmeter
JP5216511B2 (ja) * 2008-09-30 2013-06-19 アズビル株式会社 流量計測システム
JP5144485B2 (ja) 2008-12-12 2013-02-13 オリンパス株式会社 無線通信端末
JP5558033B2 (ja) 2009-06-10 2014-07-23 オリンパス株式会社 無線内視鏡装置およびその受信装置、受信方法、受信プログラム
CN102435239B (zh) * 2011-10-25 2012-12-19 上海大学 自动零点的电磁流量计信号处理方法及系统
JP2013156207A (ja) * 2012-01-31 2013-08-15 Semiconductor Components Industries Llc 流体の流量測定装置
JP5843670B2 (ja) * 2012-03-15 2016-01-13 アズビル株式会社 電磁流量計の励磁回路
JP5973775B2 (ja) * 2012-04-27 2016-08-23 株式会社東芝 電磁流量計、その励磁回路部の自己診断方法
DE102012105042B4 (de) 2012-06-12 2022-06-15 Endress + Hauser Flowtec Ag Verfahren zur Steuerung der Erregerenergie in einer Spulenanordnung eines Durchflussmessgerätes, welches als Zweileiter-Feldgerät ausgebildet ist
DE102012105716A1 (de) * 2012-06-28 2014-01-02 Endress + Hauser Flowtec Ag Verfahren zur Steuerung eines Spulenstroms eines magnetisch- induktiven Durchflussmessgerätes
US10641627B2 (en) * 2013-12-20 2020-05-05 Rosemount Inc. Magnetic flowmeter with automatic operating setpoint selection
JP6183309B2 (ja) * 2014-07-11 2017-08-23 横河電機株式会社 流量計及び絶縁劣化診断システム
EP3064905B1 (en) * 2015-03-05 2019-07-31 Yokogawa Electric Corporation Electromagnetic flowmeter
JP5877259B1 (ja) * 2015-04-24 2016-03-02 東京計装株式会社 電磁流量計の信号抽出方法
US10634538B2 (en) 2016-07-13 2020-04-28 Rain Bird Corporation Flow sensor
DE102016124976A1 (de) * 2016-12-20 2018-06-21 Endress+Hauser Flowtec Ag Verfahren zum Betreiben eines magnetisch-induktiven Durchflussmessgeräts und ein solches Durchflussmessgerät
US10473494B2 (en) 2017-10-24 2019-11-12 Rain Bird Corporation Flow sensor
US11662242B2 (en) 2018-12-31 2023-05-30 Rain Bird Corporation Flow sensor gauge
CN114623888A (zh) * 2020-12-10 2022-06-14 金卡智能集团股份有限公司 计量检测系统及其计量方法、计量表具
CN113390475B (zh) * 2021-01-29 2024-07-09 杭州全仁电子科技有限公司 一种多功能计量模块及旋转计量装置
CN113075420A (zh) * 2021-03-30 2021-07-06 河南九域恩湃电力技术有限公司 数字信号处理方法及其在流速测量上应用

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5266452A (en) * 1975-11-29 1977-06-01 Hokushin Electric Works Signal converter
JPS5916645B2 (ja) * 1977-03-31 1984-04-17 横河電機株式会社 電磁流量計の励振回路
JPS5434863A (en) * 1977-08-24 1979-03-14 Hokushin Electric Works Excitation method of electromagnetic flowmeter
JPS5494257U (en]) * 1977-12-15 1979-07-04
US4206640A (en) * 1978-04-28 1980-06-10 Hokushin Electric Works, Ltd. Magnetic flowmeter
US4156363A (en) * 1978-05-03 1979-05-29 Hokushin Electric Works, Ltd. Magnetic flowmeter
US4227408A (en) * 1978-12-07 1980-10-14 Fischer & Porter Company Harmonic noise suppression in electromagnetic flowmeter
US4253156A (en) * 1979-06-22 1981-02-24 The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration Automatic flowmeter calibration system
US4325261A (en) * 1979-10-09 1982-04-20 Emerson Electric Co. Pulsed DC constant current magnetic flowmeter
US4303980A (en) * 1979-12-03 1981-12-01 Fischer & Porter Company Electromagnetic flowmeter system having automatically adjusted response characteristics
JPS5686312A (en) * 1979-12-17 1981-07-14 Yokogawa Hokushin Electric Corp Transmitter for electromagnetic flow rate meter
JPS57100504A (en) * 1980-12-12 1982-06-22 Nippon Denso Co Ltd Controller
US4408497A (en) * 1981-12-22 1983-10-11 Hokushin Electric Works, Ltd. Electromagnetic flowmeter for measuring ferromagnetic slurries
JPS58120118A (ja) * 1982-01-12 1983-07-16 Yokogawa Hokushin Electric Corp 電磁流量計
JPS59173714A (ja) * 1983-03-23 1984-10-01 Toshiba Corp 電磁流量計の励磁方式

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5877262B1 (ja) * 2015-04-24 2016-03-02 東京計装株式会社 電磁流量計用キャリブレータ

Also Published As

Publication number Publication date
JPS604811A (ja) 1985-01-11
US4651286A (en) 1987-03-17

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