JP3915459B2 - 電磁流量計 - Google Patents

電磁流量計 Download PDF

Info

Publication number
JP3915459B2
JP3915459B2 JP2001286778A JP2001286778A JP3915459B2 JP 3915459 B2 JP3915459 B2 JP 3915459B2 JP 2001286778 A JP2001286778 A JP 2001286778A JP 2001286778 A JP2001286778 A JP 2001286778A JP 3915459 B2 JP3915459 B2 JP 3915459B2
Authority
JP
Japan
Prior art keywords
signal
detection
frequency
diagnostic
circuit
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 - Lifetime
Application number
JP2001286778A
Other languages
English (en)
Japanese (ja)
Other versions
JP2003097986A (ja
JP2003097986A5 (enExample
Inventor
郁光 石川
博信 太田
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 JP2001286778A priority Critical patent/JP3915459B2/ja
Priority to CNB021428271A priority patent/CN1271392C/zh
Priority to US10/246,479 priority patent/US6804613B2/en
Priority to DE10243748.3A priority patent/DE10243748B4/de
Publication of JP2003097986A publication Critical patent/JP2003097986A/ja
Publication of JP2003097986A5 publication Critical patent/JP2003097986A5/ja
Application granted granted Critical
Publication of JP3915459B2 publication Critical patent/JP3915459B2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Images

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
    • 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
    • G01F1/588—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 combined constructions of electrodes, coils or magnetic circuits, accessories therefor
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F25/00—Testing or calibration of apparatus for measuring volume, volume flow or liquid level or for metering by volume
    • G01F25/10—Testing or calibration of apparatus for measuring volume, volume flow or liquid level or for metering by volume of flowmeters

Landscapes

  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • General Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Measuring Volume Flow (AREA)
JP2001286778A 2001-09-20 2001-09-20 電磁流量計 Expired - Lifetime JP3915459B2 (ja)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP2001286778A JP3915459B2 (ja) 2001-09-20 2001-09-20 電磁流量計
CNB021428271A CN1271392C (zh) 2001-09-20 2002-09-18 电磁流量计
US10/246,479 US6804613B2 (en) 2001-09-20 2002-09-19 Electromagnetic flowmeter
DE10243748.3A DE10243748B4 (de) 2001-09-20 2002-09-20 Elektromagnetischer Durchflussmesser

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2001286778A JP3915459B2 (ja) 2001-09-20 2001-09-20 電磁流量計

Related Child Applications (1)

Application Number Title Priority Date Filing Date
JP2006157173A Division JP4424511B2 (ja) 2006-06-06 2006-06-06 電磁流量計及び電磁流量計のシステム

Publications (3)

Publication Number Publication Date
JP2003097986A JP2003097986A (ja) 2003-04-03
JP2003097986A5 JP2003097986A5 (enExample) 2005-04-14
JP3915459B2 true JP3915459B2 (ja) 2007-05-16

Family

ID=19109695

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2001286778A Expired - Lifetime JP3915459B2 (ja) 2001-09-20 2001-09-20 電磁流量計

Country Status (4)

Country Link
US (1) US6804613B2 (enExample)
JP (1) JP3915459B2 (enExample)
CN (1) CN1271392C (enExample)
DE (1) DE10243748B4 (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2017116485A (ja) * 2015-12-25 2017-06-29 横河電機株式会社 電磁流量計

Families Citing this family (70)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4303039B2 (ja) * 2002-09-25 2009-07-29 株式会社東芝 容量式電磁流量計
DE10335205A1 (de) 2003-07-30 2005-02-17 Endress + Hauser Flowtec Ag, Reinach Verfahren zur magnetisch-induktiven Bestimmung der Durchflußrate eines Mediums
DE10356007B3 (de) * 2003-11-27 2005-07-07 Krohne Meßtechnik GmbH & Co KG Verfahren zum Betreiben eines magnetisch-induktiven Durchflußmeßgeräts
CN100460830C (zh) 2003-12-12 2009-02-11 罗斯蒙德公司 可调空管功能
US6920799B1 (en) * 2004-04-15 2005-07-26 Rosemount Inc. Magnetic flow meter with reference electrode
JP4899346B2 (ja) * 2004-08-12 2012-03-21 横河電機株式会社 電磁流量計
DE102005002903A1 (de) * 2005-01-21 2006-07-27 Abb Patent Gmbh Magnetisch-induktives Durchflussmessgerät
GB0508342D0 (en) * 2005-04-26 2005-06-01 Sev Trent Metering Services Lt Meter
US7827870B2 (en) * 2005-04-26 2010-11-09 Severn Trent Metering Services Limited Meter
US20060260415A1 (en) * 2005-04-26 2006-11-23 Severn Trent Metering Services Limited Meter
CN100344940C (zh) * 2005-08-04 2007-10-24 上海大学 双激励电磁流量计
DE102005039223A1 (de) * 2005-08-17 2007-02-22 Endress + Hauser Flowtec Ag Magnetisch-induktive Durchflussmessgerät
GB2434871B (en) * 2006-01-16 2009-12-02 Abb Ltd Electromagnetic flow meter
DE102006018728A1 (de) * 2006-04-20 2007-10-25 Endress + Hauser Flowtec Ag Vorrichtung zum Messen des Volumen- oder Massestroms eines Mediums
DE102006033112A1 (de) * 2006-07-18 2008-01-31 Abb Patent Gmbh Verfahren und Einrichtung zum Betrieb eines Durchflussmessgerätes
DE102007003614A1 (de) * 2006-07-26 2008-01-31 Endress + Hauser Flowtec Ag Vorrichtung zum Messen des Volumen- oder Massestroms eines Mediums in einer Rohrleitung
CN101517377B (zh) * 2006-09-29 2012-05-09 罗斯蒙德公司 带有校验的磁流量计
DE102007014469A1 (de) * 2007-03-22 2008-09-25 Endress + Hauser Flowtec Ag Verfahren zur vorausschauenden Wartung und/oder Verfahren zur Bestimmung der elektrischen Leitfähigkeit bei einem magnetischinduktiven Durchflussmessgerät
US7550979B2 (en) * 2007-05-29 2009-06-23 Georg Fischer Signet Llc System and method for measuring conductivity of fluid
WO2009048457A1 (en) * 2007-10-08 2009-04-16 Micro Motion, Inc. A flow device and method for operating a flow device
DE102007052047B4 (de) 2007-10-31 2014-06-26 Abb Ag Verfahren und Einrichtung zur Messung von Fremdkörpern im Messmedium
DE102008005258A1 (de) 2008-01-18 2009-07-30 Abb Ag Verfahren zum Betrieb einer Durchflussmesseinrichtung, sowie eine Durchflussmesseinrichtung selbst
JP5216511B2 (ja) * 2008-09-30 2013-06-19 アズビル株式会社 流量計測システム
US7921733B2 (en) * 2009-03-05 2011-04-12 Rosemount Inc. Magnetic flowmeter with coil ground path detection
CN102128652B (zh) * 2011-02-22 2012-11-07 上海天石测控设备有限公司 一种混频励磁电磁流量转换器
US9354193B2 (en) * 2011-07-20 2016-05-31 Optek-Danulat Gmbh Apparatus for measuring the electrical conductivity of a liquid medium
RU2495382C2 (ru) * 2011-10-07 2013-10-10 Общество с ограниченной ответственностью "Рубин" Способ измерения расхода жидкой или газообразной измеряемой среды
US8590361B1 (en) * 2012-01-27 2013-11-26 Onicon, Inc. Magnetic flow meters with automatic field maintenance
JP5574191B2 (ja) * 2012-06-26 2014-08-20 横河電機株式会社 電磁流量計動作検証システム
US9696188B2 (en) 2013-03-14 2017-07-04 Rosemount Inc. Magnetic flowmeter with automatic adjustment based on sensed complex impedance
EP2821756B1 (de) * 2013-07-01 2023-07-05 Krohne Messtechnik GmbH Magnetisch-induktives Durchflussmessgerät und Verfahren zum Betreiben eines magnetisch-induktiven Durchflussmessgeräts
JP6135924B2 (ja) * 2013-07-08 2017-05-31 横河電機株式会社 電磁流量計
DE102013013991A1 (de) 2013-07-08 2015-01-08 Krohne Messtechnik Gmbh Magnetisch-induktives Durchflussmessgerät
EP3058317B1 (de) 2013-10-17 2019-06-19 Krohne AG Magnetisch-induktives durchflussmesssystem
DE102013019182A1 (de) * 2013-10-17 2015-05-07 Krohne Ag Messrohr für magnetisch-induktive Durchflussmesssysteme
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
US9658089B2 (en) * 2014-10-01 2017-05-23 Finetek Co., Ltd. Electromagnetic flowmeter with voltage-amplitude conductivity-sensing function for a liquid in a tube
DE102014119453A1 (de) * 2014-12-22 2016-06-23 Endress+Hauser Flowtec Ag Verfahren zur Defekterkennung der Signalleitung zwischen einer Elektrode und einer Mess- und/oder Auswerteeinheit eines magnetisch-induktiven Durchflussmessgerätes
EP3043153B1 (de) 2015-01-05 2020-01-01 Krohne AG Durchflussmessgerät
DE102015116672A1 (de) 2015-01-05 2016-07-07 Krohne Ag Durchflussmessgerät
DE102015116675A1 (de) 2015-01-13 2016-07-14 Krohne Ag Magnetisch-induktives Durchflussmessgerät
DE102015116673A1 (de) 2015-01-13 2016-07-14 Krohne Ag Magnetisch-induktives Durchflussmessgerät
EP3045874B1 (de) 2015-01-14 2020-01-08 Krohne AG Magnetisch-induktives durchflussmessgerät
DE102015116674B4 (de) 2015-01-14 2021-08-19 Krohne Ag Magnetisch-induktives Durchflussmessgerät
EP3045875B1 (de) 2015-01-14 2020-01-15 Krohne AG Magnetisch-induktives durchflussmessgerät
EP3048431B1 (de) 2015-01-20 2020-07-29 Krohne AG Magnetisch-induktives durchflussmessgerät und verfahren zur herstellung einer messelektrode
DE102015116676A1 (de) 2015-01-20 2016-07-21 Krohne Ag Magnetisch-induktives Durchflussmessgerät und Verfahren zum Herstellen einer Messelektrode
JP6229852B2 (ja) * 2015-03-05 2017-11-15 横河電機株式会社 電磁流量計
US11085803B2 (en) * 2015-09-24 2021-08-10 Micro Motion, Inc. Entrained fluid detection diagnostic
GB2544286A (en) * 2015-11-10 2017-05-17 Abb Ltd Method and apparatus for electrode impedance measurement
US10352887B1 (en) * 2016-06-22 2019-07-16 Ronald W. Parker Conductivity measurement methods and systesms
DE102016124977B4 (de) 2016-12-20 2021-12-16 Endress+Hauser Flowtec Ag Verfahren zum Betreiben eines magnetisch-induktiven Durchflussmessgeräts und ein solches Durchflussmessgerät
JP6969108B2 (ja) * 2017-02-20 2021-11-24 横河電機株式会社 フィールド機器および情報提供方法
CN108803502B (zh) 2017-04-27 2022-07-26 横河电机株式会社 数据收集装置及系统、数据服务器、数据收集方法及计算机可读取的非易失性的记录介质
EP3587354B1 (en) * 2018-06-25 2024-11-06 AlfaWall Aktiebolag Method for controlling ballast water treatment systems
JP7210916B2 (ja) * 2018-07-10 2023-01-24 横河電機株式会社 電磁流量計
US10935402B2 (en) 2018-09-06 2021-03-02 Micro Motion, Inc. Fluid contaminant detection using noise levels in magnetic flow meter sensor signals
DE102019107904B3 (de) * 2019-03-27 2020-08-13 Krohne Messtechnik Gmbh Magnetisch-induktives Durchflussmessgerät mit Leitfähigkeitsmesseinrichtung und Verfahren zum Betreiben eines magnetisch-induktiven Durchflussmessgerätes mit Leitfähigkeitsmesseinrichtung
CN109900333B (zh) * 2019-04-12 2023-05-16 西南石油大学 一种自适应电磁流量计和测量方法
US10605642B1 (en) * 2019-11-27 2020-03-31 Altec Industries, Inc. Conductive liquid sensing system
DE102020200213A1 (de) * 2019-12-04 2021-06-10 Siemens Aktiengesellschaft Multifunktionaler Sensor für die Prozessindustrie
CN114846304A (zh) * 2019-12-31 2022-08-02 Abb瑞士股份有限公司 电磁流量计
CN111486910B (zh) * 2020-04-24 2022-04-12 西尼尔(南京)过程控制有限公司 一种浆液电磁流量计信号处理方法及系统
CN112050870A (zh) * 2020-08-20 2020-12-08 长江武汉航道工程局 一种曲线还原抗干扰测量装置及其方法
DE102021105516B3 (de) * 2021-03-08 2022-06-30 Krohne Messtechnik Gmbh Verfahren zum Bestimmen einer Leitfähigkeit, Betriebsverfahren eines magnetisch-induktiven Durchflussmessgeräts und magnetisch-induktives Durchflussmessgerät
JP7740071B2 (ja) * 2022-03-11 2025-09-17 横河電機株式会社 電磁流量計
CN115507904B (zh) * 2022-07-21 2024-02-23 浙江迪元仪表有限公司 一种电磁水表
US20240280390A1 (en) * 2023-02-22 2024-08-22 Micro Motion, Inc. Bootstrapped impedance measurement for flow meter electrode
US12224764B2 (en) * 2023-03-09 2025-02-11 Dell Products L.P. Timing signal diagnostic system
CN119779423B (zh) * 2024-12-31 2025-12-09 杭州美仪自动化有限公司 一种电磁流量计的空管检测方法、系统及一种电磁流量计

Family Cites Families (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3013035A1 (de) * 1979-04-05 1980-10-23 Nat Res Dev Verfahren zur elektromagnetischen stroemungsmessung und danach arbeitendes stroemungsmessgeraet
JPS59174718A (ja) * 1983-03-24 1984-10-03 Yokogawa Hokushin Electric Corp 電磁流量計
DE3423076A1 (de) * 1984-06-22 1986-01-02 Bopp & Reuther Gmbh, 6800 Mannheim Magnetisch-induktives durchflussmessverfahren
FR2589571B1 (fr) * 1985-10-31 1990-02-09 Sereg Soc Debitmetre electromagnetique a champ magnetique pulse
JP2568620B2 (ja) * 1988-03-29 1997-01-08 愛知時計電機株式会社 電磁流量計
JP2880830B2 (ja) 1991-08-14 1999-04-12 株式会社東芝 電磁流量計
DE4239956C2 (de) * 1991-11-29 1997-05-07 Hitachi Ltd Elektromagnetischer Durchflußmesser
DE4317366C2 (de) * 1993-05-25 1997-04-17 Ultrakust Electronic Gmbh Verfahren und Vorrichtung zur Bestimmung eines Volumenstromes
US5426984A (en) 1993-09-02 1995-06-27 Rosemount Inc. Magnetic flowmeter with empty pipe detector
JPH0829223A (ja) 1994-07-20 1996-02-02 Yamatake Honeywell Co Ltd 電磁流量計
JP3018310B2 (ja) * 1994-07-21 2000-03-13 株式会社山武 電磁流量計
JP3263296B2 (ja) * 1995-10-26 2002-03-04 株式会社東芝 電磁流量計
US6014902A (en) * 1995-12-28 2000-01-18 The Foxboro Company Magnetic flowmeter with diagnostics
JP3453751B2 (ja) * 1996-12-10 2003-10-06 横河電機株式会社 電磁流量計
US5866823A (en) * 1997-05-13 1999-02-02 Hersey Measurement Company Commutating electrode magnetic flowmeter
GB2333161B (en) * 1997-12-24 2002-06-12 Abb Kent Taylor Ltd Electrode integrity checking
DE19917261C5 (de) * 1999-04-16 2010-09-09 Siemens Flow Instruments A/S Elektromagnetische Durchflußmesseranordnung
JP3595244B2 (ja) * 2000-06-06 2004-12-02 株式会社山武 充填機
US6435036B1 (en) * 2000-07-17 2002-08-20 Matsushita Electric Industrial Co., Ltd. Vortex flow meter

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2017116485A (ja) * 2015-12-25 2017-06-29 横河電機株式会社 電磁流量計

Also Published As

Publication number Publication date
DE10243748A1 (de) 2003-04-17
US20030051557A1 (en) 2003-03-20
JP2003097986A (ja) 2003-04-03
CN1409093A (zh) 2003-04-09
US6804613B2 (en) 2004-10-12
CN1271392C (zh) 2006-08-23
DE10243748B4 (de) 2018-11-08

Similar Documents

Publication Publication Date Title
JP3915459B2 (ja) 電磁流量計
CN101652638B (zh) 在磁感应流量计中用于预知维护的方法和/或用于确定电导率的方法
US6392416B1 (en) Electrode integrity checking
JP3448058B2 (ja) 空のパイプ検出器を有する磁気流量計
JP2003097986A5 (enExample)
US8587326B2 (en) Method for energy-saving operation of a magneto-inductive flow measuring device
US7117750B2 (en) Method for operating a magnetoinductive flowmeter
JP2016511425A (ja) 検出複素インピーダンスに基づく自動調整機能を有した電磁式流量計
JP2009258125A (ja) 流体用の磁気誘導式流量測定計および磁気誘導式流量測定方法
JP7210916B2 (ja) 電磁流量計
JPH10253412A (ja) 液体、特に水の流速を測定する方法及び装置
JP4424511B2 (ja) 電磁流量計及び電磁流量計のシステム
US7171336B2 (en) Method for operating a measuring instrument
JP6481443B2 (ja) 電磁流量計
CN212931520U (zh) 一种电磁流量计
CN113188615B (zh) 一种基于动态偏移补偿的电磁流量计系统及测量方法
JP5877260B1 (ja) 電磁流量計の空状態判定方法
JP2000028408A (ja) 電磁流量計
JP2000241211A (ja) 流量測定装置
JP3964761B2 (ja) ２線式電磁流量計
CN115507904B (zh) 一种电磁水表
JP3965130B2 (ja) 磁気誘導流量測定方法
JPH01288724A (ja) 電磁流量計の電極汚れ検知装置
JP3161307B2 (ja) 電磁流量計
JP7740071B2 (ja) 電磁流量計

Legal Events

Date Code Title Description
A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20040608

A977 Report on retrieval

Free format text: JAPANESE INTERMEDIATE CODE: A971007

Effective date: 20050322

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20051121

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20060117

A02 Decision of refusal

Free format text: JAPANESE INTERMEDIATE CODE: A02

Effective date: 20060413

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20060606

A911 Transfer to examiner for re-examination before appeal (zenchi)

Free format text: JAPANESE INTERMEDIATE CODE: A911

Effective date: 20060719

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20061019

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20061211

TRDD Decision of grant or rejection written
A01 Written decision to grant a patent or to grant a registration (utility model)

Free format text: JAPANESE INTERMEDIATE CODE: A01

Effective date: 20070116

A61 First payment of annual fees (during grant procedure)

Free format text: JAPANESE INTERMEDIATE CODE: A61

Effective date: 20070129

R150 Certificate of patent or registration of utility model

Free format text: JAPANESE INTERMEDIATE CODE: R150

Ref document number: 3915459

Country of ref document: JP

Free format text: JAPANESE INTERMEDIATE CODE: R150

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20110216

Year of fee payment: 4

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20110216

Year of fee payment: 4

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20120216

Year of fee payment: 5

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20120216

Year of fee payment: 5

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20130216

Year of fee payment: 6

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20140216

Year of fee payment: 7

EXPY Cancellation because of completion of term