JP5444086B2 - 電磁流量計 - Google Patents

電磁流量計 Download PDF

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Publication number
JP5444086B2
JP5444086B2 JP2010079353A JP2010079353A JP5444086B2 JP 5444086 B2 JP5444086 B2 JP 5444086B2 JP 2010079353 A JP2010079353 A JP 2010079353A JP 2010079353 A JP2010079353 A JP 2010079353A JP 5444086 B2 JP5444086 B2 JP 5444086B2
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period
excitation
signal
value
electrodes
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Japanese (ja)
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JP2011209231A (ja
JP2011209231A5 (OSRAM
Inventor
一郎 光武
正則 大平
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Azbil Corp
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Azbil Corp
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Priority to JP2010079353A priority Critical patent/JP5444086B2/ja
Priority to US13/071,815 priority patent/US8739636B2/en
Priority to EP11160117A priority patent/EP2372317A1/en
Priority to CN201110090018.1A priority patent/CN102243087B/zh
Publication of JP2011209231A publication Critical patent/JP2011209231A/ja
Publication of JP2011209231A5 publication Critical patent/JP2011209231A5/ja
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Publication of JP5444086B2 publication Critical patent/JP5444086B2/ja
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    • 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

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  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Fluid Mechanics (AREA)
  • General Physics & Mathematics (AREA)
  • Measuring Volume Flow (AREA)
JP2010079353A 2010-03-30 2010-03-30 電磁流量計 Active JP5444086B2 (ja)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP2010079353A JP5444086B2 (ja) 2010-03-30 2010-03-30 電磁流量計
US13/071,815 US8739636B2 (en) 2010-03-30 2011-03-25 Electromagnetic flow meter having a circuit that provides positive and negative magnetic excitation electric currents to a magnetic excitation coil
EP11160117A EP2372317A1 (en) 2010-03-30 2011-03-29 Electromagnetic flow meter
CN201110090018.1A CN102243087B (zh) 2010-03-30 2011-03-30 电磁流量计

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2010079353A JP5444086B2 (ja) 2010-03-30 2010-03-30 電磁流量計

Publications (3)

Publication Number Publication Date
JP2011209231A JP2011209231A (ja) 2011-10-20
JP2011209231A5 JP2011209231A5 (OSRAM) 2014-01-16
JP5444086B2 true JP5444086B2 (ja) 2014-03-19

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ID=44280697

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2010079353A Active JP5444086B2 (ja) 2010-03-30 2010-03-30 電磁流量計

Country Status (4)

Country Link
US (1) US8739636B2 (OSRAM)
EP (1) EP2372317A1 (OSRAM)
JP (1) JP5444086B2 (OSRAM)
CN (1) CN102243087B (OSRAM)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2014181918A (ja) * 2013-03-18 2014-09-29 Azbil Corp 電磁流量計の信号増幅回路
US10697812B2 (en) 2017-09-14 2020-06-30 Azbil Corporation Error detection circuit and error detection method of electromagnetic flow meter and electromagnetic flow meter

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
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
JP5973897B2 (ja) * 2012-12-04 2016-08-23 アズビル株式会社 電磁流量計
JP5939472B2 (ja) * 2014-02-25 2016-06-22 横河電機株式会社 電磁流量計、誤配線検出装置および誤配線検出方法
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
JP6229852B2 (ja) * 2015-03-05 2017-11-15 横河電機株式会社 電磁流量計
EP3064905B1 (en) * 2015-03-05 2019-07-31 Yokogawa Electric Corporation Electromagnetic flowmeter
JP6217687B2 (ja) * 2015-04-24 2017-10-25 横河電機株式会社 フィールド機器
GB2542433A (en) * 2015-09-21 2017-03-22 Abb Ltd Method and apparatus for interference reduction
JP6485407B2 (ja) * 2016-06-01 2019-03-20 横河電機株式会社 電磁流量計および誤配線検出方法
DE102016211577A1 (de) 2016-06-28 2017-12-28 Siemens Aktiengesellschaft Magnetisch-induktiver Durchflussmesser
JP6458784B2 (ja) * 2016-08-03 2019-01-30 横河電機株式会社 駆動回路および電磁流量計
DE102016124976A1 (de) * 2016-12-20 2018-06-21 Endress+Hauser Flowtec Ag Verfahren zum Betreiben eines magnetisch-induktiven Durchflussmessgeräts und ein solches Durchflussmessgerät
US11131571B2 (en) * 2019-07-22 2021-09-28 Georg Fischer Signett LLC Magnetic flowmeter assembly with glitch removing capability
DE102021208598A1 (de) * 2021-08-06 2023-02-09 Siemens Aktiengesellschaft Verfahren zur störungsbeaufschlagten Durchflussmessung, magnetisch-induktiver Durchflussmesser und Computerprogrammprodukt
DE102023102673B3 (de) * 2023-02-03 2024-05-16 Krohne Messtechnik Gmbh Verfahren zum Betreiben eines magnetisch-induktiven Durchflussmessgeräts und ein entsprechendes magnetisch-induktives Durchflussmessgerät
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 (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0360027U (OSRAM) * 1989-10-17 1991-06-13
JP2707762B2 (ja) * 1989-10-31 1998-02-04 横河電機株式会社 電磁流量計
JPH06174513A (ja) * 1992-12-09 1994-06-24 Fuji Electric Co Ltd 電磁流量計の空検知回路
US5426984A (en) 1993-09-02 1995-06-27 Rosemount Inc. Magnetic flowmeter with empty pipe detector
JP3018311B2 (ja) 1995-02-03 2000-03-13 株式会社山武 電磁流量計
JP3161307B2 (ja) * 1995-11-02 2001-04-25 横河電機株式会社 電磁流量計
JPH09129848A (ja) 1995-11-06 1997-05-16 Mitsubishi Electric Corp キャパシタを有する半導体装置の製造方法
US6611775B1 (en) * 1998-12-10 2003-08-26 Rosemount Inc. Electrode leakage diagnostics in a magnetic flow meter
JP4300562B2 (ja) * 2000-03-30 2009-07-22 横河電機株式会社 電磁流量計
DE10118003A1 (de) * 2001-04-10 2002-10-24 Krohne Messtechnik Kg Magnetisch-induktives Durchflußmeßgerät und magnetisch-induktives Durchflußmeßverfahren
JP2003028684A (ja) 2001-07-17 2003-01-29 Yokogawa Electric Corp 電磁流量計
JP2010079353A (ja) 2008-09-24 2010-04-08 Koyo Electronics Ind Co Ltd プログラマブルコントローラおよび制御システム

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2014181918A (ja) * 2013-03-18 2014-09-29 Azbil Corp 電磁流量計の信号増幅回路
US10697812B2 (en) 2017-09-14 2020-06-30 Azbil Corporation Error detection circuit and error detection method of electromagnetic flow meter and electromagnetic flow meter

Also Published As

Publication number Publication date
US8739636B2 (en) 2014-06-03
JP2011209231A (ja) 2011-10-20
CN102243087B (zh) 2013-01-16
EP2372317A1 (en) 2011-10-05
US20110239778A1 (en) 2011-10-06
CN102243087A (zh) 2011-11-16

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