CN1052067C - 电磁流量计及流量测定方法 - Google Patents

电磁流量计及流量测定方法 Download PDF

Info

Publication number
CN1052067C
CN1052067C CN94109156A CN94109156A CN1052067C CN 1052067 C CN1052067 C CN 1052067C CN 94109156 A CN94109156 A CN 94109156A CN 94109156 A CN94109156 A CN 94109156A CN 1052067 C CN1052067 C CN 1052067C
Authority
CN
China
Prior art keywords
mentioned
value
sampled value
sampled
magnetic field
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
CN94109156A
Other languages
English (en)
Chinese (zh)
Other versions
CN1108385A (zh
Inventor
樋口隆司
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.)
Toshiba Corp
Original Assignee
Toshiba 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 Toshiba Corp filed Critical Toshiba Corp
Publication of CN1108385A publication Critical patent/CN1108385A/zh
Application granted granted Critical
Publication of CN1052067C publication Critical patent/CN1052067C/zh
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
    • G01F7/00—Volume-flow measuring devices with two or more measuring ranges; Compound meters
    • 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
    • G01F15/00—Details of, or accessories for, apparatus of groups G01F1/00 - G01F13/00 insofar as such details or appliances are not adapted to particular types of such apparatus
    • G01F15/06—Indicating or recording devices
    • G01F15/065—Indicating or recording devices with transmission devices, e.g. mechanical
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F15/00—Details of, or accessories for, apparatus of groups G01F1/00 - G01F13/00 insofar as such details or appliances are not adapted to particular types of such apparatus
    • G01F15/06—Indicating or recording devices
    • G01F15/068—Indicating or recording devices with electrical means

Landscapes

  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • General Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Measuring Volume Flow (AREA)
CN94109156A 1993-07-09 1994-07-08 电磁流量计及流量测定方法 Expired - Lifetime CN1052067C (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP170439/93 1993-07-09
JP5170439A JP3020772B2 (ja) 1993-07-09 1993-07-09 電磁流量計

Publications (2)

Publication Number Publication Date
CN1108385A CN1108385A (zh) 1995-09-13
CN1052067C true CN1052067C (zh) 2000-05-03

Family

ID=15904945

Family Applications (1)

Application Number Title Priority Date Filing Date
CN94109156A Expired - Lifetime CN1052067C (zh) 1993-07-09 1994-07-08 电磁流量计及流量测定方法

Country Status (7)

Country Link
US (1) US5487310A (enExample)
EP (1) EP0633455B1 (enExample)
JP (1) JP3020772B2 (enExample)
KR (1) KR100186888B1 (enExample)
CN (1) CN1052067C (enExample)
DE (1) DE69420783T2 (enExample)
TW (1) TW255012B (enExample)

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0770855B2 (de) * 1995-10-20 2004-07-07 Endress + Hauser (Deutschland) Holding GmbH Magnetisch-induktiver Durchflussmesser zur Messung von nicht-newtonschen Flüssigkeiten
JP3238084B2 (ja) * 1996-12-04 2001-12-10 株式会社東芝 電磁式流量計測システム
DE10329540A1 (de) * 2003-06-30 2005-02-24 Endress + Hauser Flowtec Ag, Reinach Verfahren zum Betrieb eines magnetisch-induktiven Durchflußmessers
DE102004046238A1 (de) 2004-09-22 2006-03-23 Endress + Hauser Flowtec Ag Magnetisch-induktives Durchflussmessgerät
US7073393B2 (en) * 2004-11-01 2006-07-11 Rosemount Inc. Magnetic flowmeter with built-in simulator
JP4754932B2 (ja) * 2005-10-17 2011-08-24 株式会社山武 電磁流量計
CN100434872C (zh) * 2006-05-26 2008-11-19 李斌 恒磁式电磁流量计的信号处理方法及系统
DE102007015368A1 (de) 2007-03-28 2008-10-02 Endress + Hauser Flowtec Ag Verfahren zum Betreiben eines magnetisch-induktiven Durchflußmeßgeräts
US7688057B2 (en) * 2007-07-10 2010-03-30 Rosemount Inc. Noise diagnosis of operating conditions for an electromagnetic flowmeter
DE102008016296A1 (de) * 2008-03-28 2009-10-01 Endress + Hauser Process Solutions Ag Verfahren zum Bestimmen einer Menge eines strömenden Mediums
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
US9395706B2 (en) 2013-04-04 2016-07-19 Mitsubishi Electric Corporation Noise determination device
CN104331624B (zh) * 2014-11-11 2017-06-06 莱芜钢铁集团电子有限公司 一种基于流量计的能源流量值处理方法及装置
JP6217687B2 (ja) * 2015-04-24 2017-10-25 横河電機株式会社 フィールド機器
CN105571662B (zh) * 2015-12-31 2019-02-26 深圳万讯自控股份有限公司 一种电磁流量计信号处理方法及装置
CN110296743B (zh) * 2018-03-21 2020-10-09 上海凡宜科技电子有限公司 使用电磁式流量计计算流量的方法
US10935402B2 (en) * 2018-09-06 2021-03-02 Micro Motion, Inc. Fluid contaminant detection using noise levels in magnetic flow meter sensor signals
US11131571B2 (en) * 2019-07-22 2021-09-28 Georg Fischer Signett LLC Magnetic flowmeter assembly with glitch removing capability
CN112444295B (zh) * 2019-09-05 2025-10-31 高准公司 磁流量计
JP2021051566A (ja) * 2019-09-25 2021-04-01 株式会社Ｊｖｃケンウッド 視線データ処理装置、評価装置、視線データ処理方法、評価方法、視線データ処理プログラム、及び評価プログラム
DE102021208598A1 (de) * 2021-08-06 2023-02-09 Siemens Aktiengesellschaft Verfahren zur störungsbeaufschlagten Durchflussmessung, magnetisch-induktiver Durchflussmesser und Computerprogrammprodukt

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4106337A (en) * 1976-05-19 1978-08-15 Sybron Corporation Magnetic flow meter nulling system
JPS57184922A (en) * 1981-05-09 1982-11-13 Yamatake Honeywell Co Ltd Measuring method for flow rate by electromagnetic flowmeter
JPS6184107A (ja) * 1984-10-02 1986-04-28 Yamatake Honeywell Co Ltd 信号処理方式
JPH0789070B2 (ja) * 1986-08-28 1995-09-27 株式会社東芝 電磁流量計
JP2514960B2 (ja) * 1987-04-13 1996-07-10 愛知時計電機株式会社 電磁流量計
JPH0228807A (ja) * 1988-07-19 1990-01-30 Mitsubishi Electric Corp プログラマブルコントローラにおけるプログラム入力方法
JPH04184122A (ja) * 1990-11-19 1992-07-01 Fuji Electric Co Ltd 電磁流量計
JPH0579873A (ja) * 1991-09-20 1993-03-30 Hitachi Ltd 電磁流量計
JP2545664B2 (ja) * 1991-11-20 1996-10-23 山武ハネウエル株式会社 電磁流量計

Also Published As

Publication number Publication date
DE69420783D1 (de) 1999-10-28
TW255012B (enExample) 1995-08-21
CN1108385A (zh) 1995-09-13
KR100186888B1 (ko) 1999-05-15
JPH0727581A (ja) 1995-01-27
JP3020772B2 (ja) 2000-03-15
EP0633455A1 (en) 1995-01-11
US5487310A (en) 1996-01-30
KR950003797A (ko) 1995-02-17
EP0633455B1 (en) 1999-09-22
DE69420783T2 (de) 2000-04-27

Similar Documents

Publication Publication Date Title
CN1052067C (zh) 电磁流量计及流量测定方法
US7807973B2 (en) Pileup rejection in an energy-dispersive radiation spectrometry system
US7763859B2 (en) Pileup rejection in an energy-dispersive radiation spectrometry system
US8222607B2 (en) Apparatus for time to digital conversion
US6653964B2 (en) Filtering method and A/D conversion apparatus having filtering function
US20090251129A1 (en) Frequency measurement device and measurement method
WO1997007591A1 (en) Method and apparatus for digitally based high speed x-ray spectrometer
CN102288234B (zh) 电磁流量计
US20110222637A1 (en) Method and Apparatus for Reducing the Contribution of Noise to Digitally Sampled Signals
JP2007121216A (ja) 回転状態検出装置
CN1104693C (zh) 运算器
CN1230688A (zh) 电功率计算装置
SE513954C2 (sv) Förfarande och system för bearbetning av signaler från en givare driven med en växelströmsexcitationssignal
CN1286854A (zh) 基于频率采样的数字相位鉴别
CN106546794A (zh) 一种抬高预设电平三角波激励的惠斯通电桥测量电路
CN1437796A (zh) 产生信号的数字描述的方法和设备
DE102009049069A1 (de) Verfahren und Vorrichtung zur verbesserten Ultraschall- Laufzeitmessung
JP4572536B2 (ja) サンプリング式測定装置
Badarov et al. Analysis of the spectrum and amplitude error of the frequency measurement using elements of the subtraction procedure
RU2726917C1 (ru) Адаптивный фильтр
CN106546823A (zh) 一种抬高预设电平三角波激励的电阻型传感器测量电路
CN106405248A (zh) 一种抬高预设电平三角波激励的电阻测量电路
JP5611144B2 (ja) 位相比較装置
JPH0114888Y2 (enExample)
Wang et al. Relay-style digital speed measurement method and dynamic position subdivision method

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C14 Grant of patent or utility model
GR01 Patent grant
C17 Cessation of patent right
CX01 Expiry of patent term

Expiration termination date: 20140708

Granted publication date: 20000503