ATE140790T1 - Temperaturkompensationsschaltung - Google Patents

Temperaturkompensationsschaltung

Info

Publication number
ATE140790T1
ATE140790T1 AT90302416T AT90302416T ATE140790T1 AT E140790 T1 ATE140790 T1 AT E140790T1 AT 90302416 T AT90302416 T AT 90302416T AT 90302416 T AT90302416 T AT 90302416T AT E140790 T1 ATE140790 T1 AT E140790T1
Authority
AT
Austria
Prior art keywords
temperature
sensor elements
compensation circuit
temperature compensation
voltage
Prior art date
Application number
AT90302416T
Other languages
English (en)
Inventor
Tetsuo Hisanaga
Original Assignee
Yamatake Honeywell Co Ltd
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 Yamatake Honeywell Co Ltd filed Critical Yamatake Honeywell Co Ltd
Application granted granted Critical
Publication of ATE140790T1 publication Critical patent/ATE140790T1/de

Links

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
    • G01F1/68—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
    • G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
    • G01D3/00—Indicating or recording apparatus with provision for the special purposes referred to in the subgroups
    • G01D3/028—Indicating or recording apparatus with provision for the special purposes referred to in the subgroups mitigating undesired influences, e.g. temperature, pressure
    • G01D3/036—Indicating or recording apparatus with provision for the special purposes referred to in the subgroups mitigating undesired influences, e.g. temperature, pressure on measuring arrangements themselves
    • G01D3/0365—Indicating or recording apparatus with provision for the special purposes referred to in the subgroups mitigating undesired influences, e.g. temperature, pressure on measuring arrangements themselves the undesired influence being measured using a separate sensor, which produces an influence related signal
    • 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
    • G01F1/6845—Micromachined devices
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
    • G01P1/00—Details of instruments
    • G01P1/006—Details of instruments used for thermal compensation

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Measuring Volume Flow (AREA)
  • Details Of Flowmeters (AREA)
  • Measuring Fluid Pressure (AREA)
  • Indication And Recording Devices For Special Purposes And Tariff Metering Devices (AREA)
  • Force Measurement Appropriate To Specific Purposes (AREA)
  • Measurement Of Force In General (AREA)
AT90302416T 1989-03-10 1990-03-07 Temperaturkompensationsschaltung ATE140790T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1059266A JPH0664080B2 (ja) 1989-03-10 1989-03-10 フローセンサ用の温度補償回路

Publications (1)

Publication Number Publication Date
ATE140790T1 true ATE140790T1 (de) 1996-08-15

Family

ID=13108399

Family Applications (1)

Application Number Title Priority Date Filing Date
AT90302416T ATE140790T1 (de) 1989-03-10 1990-03-07 Temperaturkompensationsschaltung

Country Status (6)

Country Link
US (1) US5072614A (de)
EP (1) EP0387025B1 (de)
JP (1) JPH0664080B2 (de)
AT (1) ATE140790T1 (de)
DE (1) DE4007480A1 (de)
ES (1) ES2088963T3 (de)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE69109236T2 (de) * 1990-11-09 1996-01-11 Hewlett Packard Co Verfahren und Systeme zur Identifizierung von Flüssigkeiten und Bestimmung der Strömung.
GB9025798D0 (en) * 1990-11-28 1991-01-09 De Beers Ind Diamond Diamond fluid flow sensor
US5369994A (en) * 1992-07-21 1994-12-06 Robert Bosch Gmbh Flow sensor
US5750893A (en) * 1994-06-21 1998-05-12 Ricoh Co., Ltd. Thermally sensing type flowing velocity measuring apparatus
US5460039A (en) * 1994-07-12 1995-10-24 Bear Medical Systems, Inc. Flow sensor system
US5522261A (en) * 1994-11-18 1996-06-04 Alnor Instrument Company Fluid flow direction and velocity monitor and temperature compensating circuit therefor
JPH0989618A (ja) * 1995-09-25 1997-04-04 Smc Corp 流量検出スイッチ
DE19618442A1 (de) * 1996-05-08 1997-11-13 Mueller Friedrich Verfahren und Vorrichtung zum Feststellen des Fließens eines Fluides
GB9904429D0 (en) * 1999-02-26 1999-04-21 Delphi Tech Inc Mass flow with air temperature sensor
GB2370358A (en) * 2000-12-22 2002-06-26 Novatech Measurements Ltd Measuring device comprising a temperature sensitive potential divider for temperature compensation
JP4720133B2 (ja) * 2004-09-24 2011-07-13 株式会社デンソー 放熱型流量センサの駆動回路
EP2682715B1 (de) * 2012-07-02 2015-03-11 Sensirion AG Tragbare elektronische Vorrichtung
EP2728327B1 (de) 2012-11-02 2020-02-19 Sensirion AG Tragbare elektronische Vorrichtung
EP2801804B1 (de) 2013-05-06 2018-07-11 Sensirion AG Selbstkalibrierender Temperatursensor in einem mobilen Endgerät
EP2802128B1 (de) 2013-05-06 2018-07-11 Sensirion AG Selbstkalibrierender Temperatursensor in einem mobilen Endgerät
EP2808652B1 (de) 2013-05-31 2016-11-16 Sensirion AG Tragbare elektronische Vorrichtung mit integriertem Temperatursensor welcher durch andere Sensordaten compensiert wird.
EP2910938B1 (de) 2014-02-25 2017-09-06 Sensirion AG Tragbare elektronische Vorrichtung
US10724882B2 (en) * 2015-11-24 2020-07-28 Ifm Electronic Gmbh Thermal flowmeter and method having a self-heated element controlled to operate differently under high and low phases of square wave signal
CN107192471B (zh) * 2017-04-13 2019-04-12 南京史利姆电子科技有限公司 一种用于风动传感器的新型温度补偿电路及补偿方法
WO2023043474A1 (en) * 2021-09-14 2023-03-23 Hewlett-Packard Development Company, L.P. Fluid flow meters

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3085431A (en) * 1959-12-28 1963-04-16 Gen Electric Flow measuring apparatus
US3645133A (en) * 1970-04-15 1972-02-29 Metrophysics Inc Electronic spirometer
US3891391A (en) * 1973-05-14 1975-06-24 George R Boone Fluid flow measuring system using improved temperature compensation apparatus and method
US4206638A (en) * 1978-12-06 1980-06-10 Djorup Robert Sonny Directional heat loss anemometer transducer
DE2906847A1 (de) * 1979-02-22 1980-09-04 Bosch Gmbh Robert Einrichtung zum messen des luftdurchsatzes im luftansaugrohr einer brennkraftmaschine
JPS56142414A (en) * 1980-04-09 1981-11-06 Nippon Soken Inc Device for measuring gas flow quantity
JPS57163822A (en) * 1981-04-01 1982-10-08 Nippon Soken Inc Measuring device for air flow rate
DD209907A1 (de) * 1982-08-16 1984-05-23 Roland Werthschuetzky Miniaturisierter halbleiterdurchflusssensor
US4566320A (en) * 1984-05-07 1986-01-28 Honeywell, Inc. Fluid flow sensing means with ambient temperature compensation
US4794795A (en) * 1986-05-23 1989-01-03 Djorup Robert Sonny Directional thermal anemometer transducer
DE102010053549A1 (de) 2010-12-06 2012-06-06 Mars, Incorporated Verfahren und Vorrichtung zum Herstellen eines geschäumten Fleisch- oder Fischprodukts

Also Published As

Publication number Publication date
EP0387025B1 (de) 1996-07-24
ES2088963T3 (es) 1996-10-01
JPH0664080B2 (ja) 1994-08-22
EP0387025A1 (de) 1990-09-12
JPH02238365A (ja) 1990-09-20
US5072614A (en) 1991-12-17
DE4007480A1 (de) 1990-09-13

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Legal Events

Date Code Title Description
UEP Publication of translation of european patent specification
REN Ceased due to non-payment of the annual fee