CN100472183C - 利用热导管壁测量和控制低流体流率 - Google Patents

利用热导管壁测量和控制低流体流率 Download PDF

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Publication number
CN100472183C
CN100472183C CNB2005800152681A CN200580015268A CN100472183C CN 100472183 C CN100472183 C CN 100472183C CN B2005800152681 A CNB2005800152681 A CN B2005800152681A CN 200580015268 A CN200580015268 A CN 200580015268A CN 100472183 C CN100472183 C CN 100472183C
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CN
China
Prior art keywords
conduit
fluid
flow
electrical power
locations
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Expired - Fee Related
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CNB2005800152681A
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English (en)
Chinese (zh)
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CN1954196A (zh
Inventor
R·M·麦米兰
R·劳
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McMillan Co
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McMillan Co
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Publication of CN1954196A publication Critical patent/CN1954196A/zh
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Publication of CN100472183C publication Critical patent/CN100472183C/zh
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    • 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
    • G01F15/005—Valves
    • 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
    • G01F1/68—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 thermal effects
    • 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
    • G01F1/68—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 thermal effects
    • G01F1/684—Structural arrangements; Mounting of elements, e.g. in relation to fluid flow
    • G01F1/6847—Structural arrangements; Mounting of elements, e.g. in relation to fluid flow where sensing or heating elements are not disturbing the fluid flow, e.g. elements mounted outside the flow duct
    • 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
    • G01F1/68—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 thermal effects
    • G01F1/684—Structural arrangements; Mounting of elements, e.g. in relation to fluid flow
    • G01F1/688—Structural arrangements; Mounting of elements, e.g. in relation to fluid flow using a particular type of heating, cooling or sensing element
    • 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
    • G01F1/68—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 thermal effects
    • G01F1/696—Circuits therefor, e.g. constant-current flow meters
    • G01F1/698—Feedback or rebalancing circuits, e.g. self heated constant temperature flowmeters
    • 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
    • G01F1/68—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 thermal effects
    • G01F1/696—Circuits therefor, e.g. constant-current flow meters
    • G01F1/698—Feedback or rebalancing circuits, e.g. self heated constant temperature flowmeters
    • G01F1/699—Feedback or rebalancing circuits, e.g. self heated constant temperature flowmeters by control of a separate heating or cooling element
    • 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
    • G01F15/02—Compensating or correcting for variations in pressure, density or temperature
    • G01F15/028—Compensating or correcting for variations in pressure, density or temperature for low flow rates

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  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • General Physics & Mathematics (AREA)
  • Measuring Volume Flow (AREA)
  • Details Of Flowmeters (AREA)
CNB2005800152681A 2004-03-17 2005-03-17 利用热导管壁测量和控制低流体流率 Expired - Fee Related CN100472183C (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US10/803,149 2004-03-17
US10/803,149 US7000464B2 (en) 2002-05-28 2004-03-17 Measuring and control of low fluid flow rates with heated conduit walls

Publications (2)

Publication Number Publication Date
CN1954196A CN1954196A (zh) 2007-04-25
CN100472183C true CN100472183C (zh) 2009-03-25

Family

ID=34994344

Family Applications (1)

Application Number Title Priority Date Filing Date
CNB2005800152681A Expired - Fee Related CN100472183C (zh) 2004-03-17 2005-03-17 利用热导管壁测量和控制低流体流率

Country Status (5)

Country Link
US (1) US7000464B2 (enExample)
JP (1) JP2007529749A (enExample)
KR (1) KR20060134161A (enExample)
CN (1) CN100472183C (enExample)
WO (1) WO2005089432A2 (enExample)

Cited By (1)

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CN106908621A (zh) * 2015-12-23 2017-06-30 江苏迈拓智能仪表有限公司 一种通过感温发热元件测量管段流速的方法

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SI1972906T1 (sl) * 2007-03-19 2010-09-30 Vaillant Gmbh Postopek za odkrivanje napak v senzorju pretoka
DE102007023840B4 (de) * 2007-05-21 2012-02-09 Abb Ag Thermischer Massendurchflussmesser und Verfahren zu dessen Betrieb
CN101539016B (zh) * 2009-04-21 2014-11-19 北京科技大学 一种利用热扩散测量气液多相流流量的方法及装置
US11608618B2 (en) 2011-01-03 2023-03-21 Sentinel Hydrosolutions, Llc Thermal dispersion flow meter with fluid leak detection and freeze burst prevention
US9146172B2 (en) * 2011-01-03 2015-09-29 Sentinel Hydrosolutions, Llc Non-invasive thermal dispersion flow meter with chronometric monitor for fluid leak detection
US11814821B2 (en) 2011-01-03 2023-11-14 Sentinel Hydrosolutions, Llc Non-invasive thermal dispersion flow meter with fluid leak detection and geo-fencing control
US9759632B2 (en) 2011-01-03 2017-09-12 Sentinel Hydrosolutions, Llc Non-invasive thermal dispersion flow meter with chronometric monitor for fluid leak detection and freeze burst prevention
KR101269541B1 (ko) * 2011-05-30 2013-06-04 한국수력원자력 주식회사 배관 내 유체 흐름 감시 장치 및 방법
US9170136B2 (en) 2013-11-05 2015-10-27 Amphenol Thermometrics, Inc. Systems and methods for flow sensing in a conduit
KR102150579B1 (ko) * 2014-03-31 2020-09-01 히타치 긴조쿠 가부시키가이샤 열식 질량 유량 측정 방법, 당해 방법을 사용하는 열식 질량 유량계 및 당해 열식 질량 유량계를 사용하는 열식 질량 유량 제어 장치
US10786826B2 (en) 2014-12-19 2020-09-29 Deere & Company Equalization of nozzle performance for sprayers
US10444048B2 (en) * 2014-12-19 2019-10-15 Deere & Company Fluid flow monitoring system
CN107430018B (zh) * 2015-04-30 2022-03-18 惠普发展公司，有限责任合伙企业 微流体流动传感器
US10409295B2 (en) * 2016-12-31 2019-09-10 Applied Materials, Inc. Methods and apparatus for enhanced flow detection repeatability of thermal-based mass flow controllers (MFCS)
EP3388794B2 (de) 2017-04-13 2022-03-09 SICK Engineering GmbH Messvorrichtung zum messen einer durchflussgeschwindigkeit eines fluids
JP2019027881A (ja) * 2017-07-28 2019-02-21 アズビル株式会社 測定装置
JP6879858B2 (ja) * 2017-07-31 2021-06-02 アズビル株式会社 熱式流量計
DE102017120941B4 (de) 2017-09-11 2025-04-30 Endress + Hauser Wetzer Gmbh + Co. Kg Thermisches Durchflussmessgerät und Verfahren zum Betreiben eines thermischen Durchflussmessgeräts
JP6843024B2 (ja) * 2017-09-15 2021-03-17 アズビル株式会社 熱式流量計
CN113366285A (zh) 2018-12-20 2021-09-07 爱德华兹生命科学公司 热质流体流量传感器
EP4392746B1 (en) * 2021-11-28 2025-05-07 Nvention Ltd Flow sensing device and method
DE102022000719A1 (de) 2022-02-28 2023-08-31 Truma Gerätetechnik GmbH & Co. KG Vorrichtung zur Bestimmung und/oder Überwachung einer Kenngröße eines Fluids

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US6032525A (en) * 1997-09-11 2000-03-07 Mitsubishi Denki Kabushiki Kaisha Thermosensitive flowmeter for detecting flow rate of fluid

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106908621A (zh) * 2015-12-23 2017-06-30 江苏迈拓智能仪表有限公司 一种通过感温发热元件测量管段流速的方法

Also Published As

Publication number Publication date
US7000464B2 (en) 2006-02-21
WO2005089432A3 (en) 2005-11-24
WO2005089432A2 (en) 2005-09-29
JP2007529749A (ja) 2007-10-25
KR20060134161A (ko) 2006-12-27
US20040173019A1 (en) 2004-09-09
CN1954196A (zh) 2007-04-25

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Granted publication date: 20090325

Termination date: 20100317