KR850003804A - 온도보상회로를 가진 공기유량 측정회로 - Google Patents

온도보상회로를 가진 공기유량 측정회로 Download PDF

Info

Publication number
KR850003804A
KR850003804A KR1019840006728A KR840006728A KR850003804A KR 850003804 A KR850003804 A KR 850003804A KR 1019840006728 A KR1019840006728 A KR 1019840006728A KR 840006728 A KR840006728 A KR 840006728A KR 850003804 A KR850003804 A KR 850003804A
Authority
KR
South Korea
Prior art keywords
circuit
output
air flow
flow rate
temperature
Prior art date
Application number
KR1019840006728A
Other languages
English (en)
Other versions
KR920009696B1 (ko
Inventor
노보루 스기우라
Original Assignee
미다 가쓰시게
가부시기 가이샤 히다찌 세이사꾸쇼
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 미다 가쓰시게, 가부시기 가이샤 히다찌 세이사꾸쇼 filed Critical 미다 가쓰시게
Publication of KR850003804A publication Critical patent/KR850003804A/ko
Application granted granted Critical
Publication of KR920009696B1 publication Critical patent/KR920009696B1/ko

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
    • 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
    • G01F15/04—Compensating or correcting for variations in pressure, density or temperature of gases to be measured
    • G01F15/043—Compensating or correcting for variations in pressure, density or temperature of gases to be measured using electrical means
    • 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
    • G01F1/696—Circuits therefor, e.g. constant-current flow meters
    • G01F1/698—Feedback or rebalancing circuits, e.g. self heated constant temperature flowmeters
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05F—SYSTEMS FOR REGULATING ELECTRIC OR MAGNETIC VARIABLES
    • G05F1/00—Automatic systems in which deviations of an electric quantity from one or more predetermined values are detected at the output of the system and fed back to a device within the system to restore the detected quantity to its predetermined value or values, i.e. retroactive systems
    • G05F1/10—Regulating voltage or current
    • G05F1/46—Regulating voltage or current wherein the variable actually regulated by the final control device is dc
    • G05F1/56—Regulating voltage or current wherein the variable actually regulated by the final control device is dc using semiconductor devices in series with the load as final control devices
    • G05F1/565—Regulating voltage or current wherein the variable actually regulated by the final control device is dc using semiconductor devices in series with the load as final control devices sensing a condition of the system or its load in addition to means responsive to deviations in the output of the system, e.g. current, voltage, power factor
    • G05F1/567—Regulating voltage or current wherein the variable actually regulated by the final control device is dc using semiconductor devices in series with the load as final control devices sensing a condition of the system or its load in addition to means responsive to deviations in the output of the system, e.g. current, voltage, power factor for temperature compensation

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Engineering & Computer Science (AREA)
  • Electromagnetism (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Automation & Control Theory (AREA)
  • Measuring Volume Flow (AREA)
  • Details Of Flowmeters (AREA)
  • Control Of Electrical Variables (AREA)
  • Control Of Voltage And Current In General (AREA)

Abstract

내용 없음

Description

온도보상회로를 가진 공기유량 측정회로
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제1도는 공기유량계 회로의 구성을 나타낸 블록다이어그램.
제2도는 본원 발명의 온도보상회로를 갖는 공기유량계 회로의 실시예의 회로도.
제3도는 본원 발명의 온도보상회로를 설명하는 도면.

Claims (1)

  1. 공기 유량에 따른 출력을 발생하는 공기유량 검출회로와, 상기 공기유량 검출회로의 출력을 입력신호로서 증폭하고 또한 소정의 입력 대출력신호와의 관계로 조정하는 출력회로와 상기 검출회로와 출력회로에 소정의 일정전압을 공급하는 정전압회로와 또한 상기 정전압회로의 출력의 온도계수를 조정하고, 상기 검출회로와 출력회로의 온도계수를 상쇄하여 상기 공기유량계회로 전체의 온도변화에 의한 출력변화를 실질적으로 0으로 하는 온도보상수단을 갖는 것을 특징으로 하는 온도 보상회로를 가진 공기유량 측정회로.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019840006728A 1983-11-04 1984-10-29 공기유량검출회로 KR920009696B1 (ko)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP??83-205795 1983-11-04
JP83-205795 1983-11-04
JP58205795A JPH0675247B2 (ja) 1983-11-04 1983-11-04 空気流量検出装置

Publications (2)

Publication Number Publication Date
KR850003804A true KR850003804A (ko) 1985-06-26
KR920009696B1 KR920009696B1 (ko) 1992-10-22

Family

ID=16512806

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019840006728A KR920009696B1 (ko) 1983-11-04 1984-10-29 공기유량검출회로

Country Status (5)

Country Link
US (2) US4581929A (ko)
EP (1) EP0147573B1 (ko)
JP (1) JPH0675247B2 (ko)
KR (1) KR920009696B1 (ko)
DE (1) DE3476582D1 (ko)

Families Citing this family (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6365318A (ja) * 1986-09-05 1988-03-23 Daikin Ind Ltd 温熱検知素子
JPS6488218A (en) * 1987-09-30 1989-04-03 Hitachi Ltd Heat ray type air flowmeter
JP2631481B2 (ja) * 1987-12-08 1997-07-16 株式会社 リンテック 質量流量計とその計測方法
US4907446A (en) * 1988-02-24 1990-03-13 Mitsubishi Denki Kabushiki Kaisha Flow sensor incorporating a thermoresistor
JP2928526B2 (ja) * 1989-02-10 1999-08-03 株式会社日本自動車部品総合研究所 電源回路及び前記回路を備えるブリッジ型測定器出力補償回路
US4982605A (en) * 1989-05-17 1991-01-08 Alnor Instrument Company Air flow monitor and temperature compensating circuit therefor
US4987549A (en) * 1989-11-13 1991-01-22 General Motors Corporation Temperature compensated flowmeter techniques
US5074147A (en) * 1990-03-08 1991-12-24 Analytical Services & Materials, Inc. Flow rate measuring apparatus
JP3135245B2 (ja) * 1990-03-19 2001-02-13 株式会社日立製作所 パルス出力型熱線式空気流量計
US5097198A (en) * 1991-03-08 1992-03-17 John Fluke Mfg. Co., Inc. Variable power supply with predetermined temperature coefficient
US5272915A (en) * 1992-01-23 1993-12-28 The Boeing Company Airflow sensing system
US5263369A (en) * 1992-07-24 1993-11-23 Bear Medical Systems, Inc. Flow sensor system and method
US5363689A (en) * 1992-09-11 1994-11-15 Intertech Development Company Calibration device for leak detecting instruments
US5361637A (en) * 1992-11-06 1994-11-08 Mks Instruments, Inc. Temperature compensation circuitry employing a single temperature compensation element
JPH0712610A (ja) * 1993-06-22 1995-01-17 Hitachi Ltd 発熱抵抗式空気流量計
DE4332412C1 (de) * 1993-09-23 1994-12-01 Siemens Ag Verfahren und Schaltungsanordnung zum Schutz eines beheizten temperaturabhängigen Sensorwiderstands vor Überhitzung
US5460039A (en) * 1994-07-12 1995-10-24 Bear Medical Systems, Inc. Flow sensor system
US5623097A (en) * 1994-11-24 1997-04-22 Ricoh Company, Ltd. Thermal-type flow sensor
JP3609148B2 (ja) * 1995-05-12 2005-01-12 株式会社日立製作所 発熱抵抗式空気流量計
EP1793209A1 (en) * 1997-07-08 2007-06-06 Hitachi, Ltd. Thermal type flow measuring instrument and temperature-error correcting apparatus thereof
JP3753057B2 (ja) * 2001-12-04 2006-03-08 株式会社日立製作所 気体流量測定装置
US7653503B2 (en) * 2006-04-20 2010-01-26 Tao Of Systems Integration, Inc. Temperature-compensating sensor system
US8649137B2 (en) * 2011-10-20 2014-02-11 Semiconductor Components Industries, Llc Semiconductor device and method of forming same for ESD protection
US8699189B2 (en) * 2012-05-22 2014-04-15 Honeywell International Inc. High precision clipping regulator circuit
CN110530445A (zh) * 2018-05-24 2019-12-03 重庆川仪自动化股份有限公司 一种mV信号测量温度补偿装置
CN115220519B (zh) * 2022-08-11 2023-11-28 思瑞浦微电子科技（苏州）股份有限公司 基于齐纳二极管的温度补偿电路及方法

Family Cites Families (12)

* 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
DE1537716A1 (de) * 1967-09-29 1969-10-30 Telefunken Patent Schaltungsanordnung zur Temperaturstabilisierung eines Transistorverstaerkers
JPS4850244A (ko) * 1971-10-25 1973-07-16
US3891391A (en) * 1973-05-14 1975-06-24 George R Boone Fluid flow measuring system using improved temperature compensation apparatus and method
JPS5256435U (ko) * 1975-10-21 1977-04-23
DE2732715A1 (de) * 1977-07-20 1979-06-07 Bosch Gmbh Robert Schaltungsanordnung zur linearisierung des ausgangssignals von insbesondere hitzdrahtsonden bei der luftmengenmessung im ansaugrohr von brennkraftmaschinen
JPS5543447A (en) * 1978-09-22 1980-03-27 Hitachi Ltd Hot-wire type flow rate measuring device
JPS5618721A (en) * 1979-07-24 1981-02-21 Hitachi Ltd Air flow meter
US4413514A (en) * 1981-05-22 1983-11-08 Hoffman Controls Corporation Air flow sensor
JPS586416A (ja) * 1981-07-06 1983-01-14 Hitachi Ltd 熱線式空気流量計の応答特性補正方式
JPS5845568A (ja) * 1981-09-11 1983-03-16 Japan Electronic Control Syst Co Ltd 熱線流量計
JPS5887420A (ja) * 1981-11-20 1983-05-25 Hitachi Ltd 熱式流量計

Also Published As

Publication number Publication date
JPH0675247B2 (ja) 1994-09-21
EP0147573B1 (en) 1989-02-01
US4581929A (en) 1986-04-15
USRE33076E (en) 1989-10-03
DE3476582D1 (en) 1989-03-09
EP0147573A1 (en) 1985-07-10
KR920009696B1 (ko) 1992-10-22
JPS60100218A (ja) 1985-06-04

Similar Documents

Publication Publication Date Title
KR850003804A (ko) 온도보상회로를 가진 공기유량 측정회로
KR930011420A (ko) 온도계수 보상기능을 갖는 트림(trim) 보정 회로
KR840005214A (ko) 조리기의 온도 검지장치
ATE169401T1 (de) Zweipoliger temperatursensor mit schaltung zur überwachung der linearen proportionalität des ganzen betriebsstroms
KR890015028A (ko) 전류 측정회로
GB1195617A (en) Improvements in or relating to Apparatus for Transmitting a Current Signal
DK0403142T3 (da) Kompenseret termisk masseflow- eller strømningsmængdemåler
KR840003160A (ko) 차동 증폭기
KR840006069A (ko) 열식유량계(熱式流量計)
KR920015628A (ko) 집적 회로 디바이스용 칩상 변화 검출회로 및 방법
SU884587A3 (ru) Устройство дл измерени плотности газообразных сред
GB2022255A (en) Acoustic measuring instruments e.g. flowmeters
FR2350585A1 (fr) Debitmetre a induction
JPS57192872A (en) Eddy current type flow velocity meter
RU2008638C1 (ru) Способ компенсации температурной погрешности тензопреобразователя и устройство для его осуществления
KR840009019A (ko) 보정경보기
SU1245867A1 (ru) Тензопреобразователь
JPS57501043A (ko)
SU724926A1 (ru) Расходомер газа
RU2002269C1 (ru) Термоанемометр
KR840001334A (ko) 유량(流量) 또는 유속측정장치
SU970113A1 (ru) Тепловой расходомер
SU627327A1 (ru) Расходомер газа
JPS57186135A (en) Semiconductor pressure transducer
KR950014851A (ko) 냉선온도계

Legal Events

Date Code Title Description
A201 Request for examination
E902 Notification of reason for refusal
G160 Decision to publish patent application
E701 Decision to grant or registration of patent right
GRNT Written decision to grant
FPAY Annual fee payment

Payment date: 20041011

Year of fee payment: 13

EXPY Expiration of term