CN102243087B - 电磁流量计 - Google Patents
电磁流量计 Download PDFInfo
- Publication number
- CN102243087B CN102243087B CN201110090018.1A CN201110090018A CN102243087B CN 102243087 B CN102243087 B CN 102243087B CN 201110090018 A CN201110090018 A CN 201110090018A CN 102243087 B CN102243087 B CN 102243087B
- Authority
- CN
- China
- Prior art keywords
- period
- excitation
- electrodes
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- sum
- 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 - Fee Related
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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
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- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Fluid Mechanics (AREA)
- General Physics & Mathematics (AREA)
- Measuring Volume Flow (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2010-079353 | 2010-03-30 | ||
| JP2010079353A JP5444086B2 (ja) | 2010-03-30 | 2010-03-30 | 電磁流量計 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102243087A CN102243087A (zh) | 2011-11-16 |
| CN102243087B true CN102243087B (zh) | 2013-01-16 |
Family
ID=44280697
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110090018.1A Expired - Fee Related CN102243087B (zh) | 2010-03-30 | 2011-03-30 | 电磁流量计 |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US8739636B2 (enExample) |
| EP (1) | EP2372317A1 (enExample) |
| JP (1) | JP5444086B2 (enExample) |
| CN (1) | CN102243087B (enExample) |
Families Citing this family (20)
| 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 |
| JP5997632B2 (ja) * | 2013-03-18 | 2016-09-28 | アズビル株式会社 | 電磁流量計の信号増幅回路 |
| 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 |
| EP3064905B1 (en) * | 2015-03-05 | 2019-07-31 | Yokogawa Electric Corporation | Electromagnetic flowmeter |
| JP6229852B2 (ja) * | 2015-03-05 | 2017-11-15 | 横河電機株式会社 | 電磁流量計 |
| 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 |
| JP6839635B2 (ja) | 2017-09-14 | 2021-03-10 | アズビル株式会社 | 電磁流量計の誤差検出回路および誤差検出方法ならびに電磁流量計 |
| 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)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0360027U (enExample) * | 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 |
-
2010
- 2010-03-30 JP JP2010079353A patent/JP5444086B2/ja active Active
-
2011
- 2011-03-25 US US13/071,815 patent/US8739636B2/en active Active
- 2011-03-29 EP EP11160117A patent/EP2372317A1/en not_active Withdrawn
- 2011-03-30 CN CN201110090018.1A patent/CN102243087B/zh not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| US20110239778A1 (en) | 2011-10-06 |
| CN102243087A (zh) | 2011-11-16 |
| US8739636B2 (en) | 2014-06-03 |
| EP2372317A1 (en) | 2011-10-05 |
| JP2011209231A (ja) | 2011-10-20 |
| JP5444086B2 (ja) | 2014-03-19 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C53 | Correction of patent of invention or patent application | ||
| CB02 | Change of applicant information |
Address after: Japan Tokyo Marunouchi Chiyoda 2 chome 7 No. 3 Applicant after: AZBIL Corp. Address before: Japan Tokyo Marunouchi Chiyoda 2 chome 7 No. 3 Applicant before: Yamatake Corp. |
|
| COR | Change of bibliographic data |
Free format text: CORRECT: APPLICANT; FROM: YAMATAKE K. K. TO: AZBIL CORPORATION |
|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130116 |