KR860001283A - 열선식 유속 검출장치 - Google Patents

열선식 유속 검출장치 Download PDF

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Publication number
KR860001283A
KR860001283A KR1019850005186A KR850005186A KR860001283A KR 860001283 A KR860001283 A KR 860001283A KR 1019850005186 A KR1019850005186 A KR 1019850005186A KR 850005186 A KR850005186 A KR 850005186A KR 860001283 A KR860001283 A KR 860001283A
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KR
South Korea
Prior art keywords
flow rate
resistor
detection device
rate detection
wire flow
Prior art date
Application number
KR1019850005186A
Other languages
English (en)
Other versions
KR930001729B1 (ko
Inventor
가오루 우찌야마
미쓰구니 쓰쓰이
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 KR860001283A publication Critical patent/KR860001283A/ko
Application granted granted Critical
Publication of KR930001729B1 publication Critical patent/KR930001729B1/ko

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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
    • G01F1/68—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
    • G01F1/696—Circuits therefor, e.g. constant-current flow meters
    • G01F1/698—Feedback or rebalancing circuits, e.g. self heated constant temperature flowmeters

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  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • General Physics & Mathematics (AREA)
  • Measuring Volume Flow (AREA)
  • Details Of Flowmeters (AREA)

Abstract

내용 없음

Description

열선식 유속 검출장치
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제1도는 본원발명의 실시예를 나타낸 유속검출장치의 구체회로도.
제2도는 본원발명의 실시예를 나타낸 유속검출장치의 특성도.
제3도, 제4도는 다른 실시예를 나타낸 회로도.
제5도는 본원발명의 유속검출회로블록도.
제6도는 감온저항체의 실시예.
제7도는 출력전압특성도.
제8도는 종래의 유속계의 원리도.
* 도면의 주요부분에 대한 부호의 설명
H : 감온저항체 C : 유체온도 검출부
P : 검출부 FB : 구동부
A : 증폭부 I : 전류회로

Claims (1)

  1. 유로중에 놓인 감온저항체와, 이 감온저항체와 직렬로 접속되며, 이 감온저항체의 전류를 검출하는 저항체에 생기는 전압에 의해, 상기 감온저항체에 공급하는 전력을 제어하는 구동회로로 이루어지는 열선식 유속 검출장치에 있어서, 상기 저항체에 생기는 전압에 의해 제어되며, 상기 저항체에 보정전류를 인가하는 전기회로를 설치한 것을 특징으로 하는 열선식 유속 검출장치.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019850005186A 1984-07-27 1985-07-20 열선식 유속 검출장치 KR930001729B1 (ko)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP59-158259 1984-07-27
JP?59-158259 1984-07-27
JP59158259A JPH0690062B2 (ja) 1984-07-27 1984-07-27 熱式流速検出装置

Publications (2)

Publication Number Publication Date
KR860001283A true KR860001283A (ko) 1986-02-24
KR930001729B1 KR930001729B1 (ko) 1993-03-12

Family

ID=15667708

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019850005186A KR930001729B1 (ko) 1984-07-27 1985-07-20 열선식 유속 검출장치

Country Status (6)

Country Link
US (1) US4672847A (ko)
EP (1) EP0172440B1 (ko)
JP (1) JPH0690062B2 (ko)
KR (1) KR930001729B1 (ko)
CA (1) CA1238504A (ko)
DE (1) DE3579983D1 (ko)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
US4884443A (en) * 1987-12-23 1989-12-05 Siemens-Bendix Automotive Electronics L. P. Control and detection circuitry for mass airflow sensors
US4907446A (en) * 1988-02-24 1990-03-13 Mitsubishi Denki Kabushiki Kaisha Flow sensor incorporating a thermoresistor
US4938061A (en) * 1988-09-30 1990-07-03 Siemens-Bendix Automotive Electronics L.P. Current controlled electronic circuit for a hot wire air flow meter
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
US5237867A (en) * 1990-06-29 1993-08-24 Siemens Automotive L.P. Thin-film air flow sensor using temperature-biasing resistive element
US5094105A (en) * 1990-08-20 1992-03-10 General Motors Corporation Optimized convection based mass airflow sensor
US6038921A (en) 1997-10-15 2000-03-21 Mcmillan Company Mass flow sensor system for fast temperature sensing responses
US5854425A (en) * 1998-06-09 1998-12-29 Tao Of Systems Integration, Inc. Method for measurement and compensation of a time constant for a constant voltage anemometer
US6134959A (en) * 1998-08-17 2000-10-24 Tao Of Systems Integration, Inc. Method for detecting flow bifurcation during sonic flow conditions
US6182497B1 (en) * 1999-08-20 2001-02-06 Neodym Systems Inc Gas detection system and method
JP2005140689A (ja) * 2003-11-07 2005-06-02 Mitsubishi Electric Corp 感熱式流量計および燃料制御装置
US7418878B2 (en) * 2006-09-19 2008-09-02 Los Robles Advertising, Inc. Universal sensor controller for a thermal anemometer

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3800592A (en) * 1972-01-13 1974-04-02 Westerbeke J Corp Flowmeter
JPS6047462B2 (ja) * 1978-06-02 1985-10-22 株式会社日立製作所 電子制御燃料噴射装置の吸入空気量計測装置
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
DE3106508C2 (de) * 1981-02-21 1986-07-31 Robert Bosch Gmbh, 7000 Stuttgart Luftmassenmeßeinrichtung bei einer Brennkraftmaschine
JPS60145438A (ja) * 1983-09-07 1985-07-31 Hitachi Ltd 内燃機関の燃料制御装置

Also Published As

Publication number Publication date
DE3579983D1 (de) 1990-11-08
EP0172440A3 (en) 1987-02-04
CA1238504A (en) 1988-06-28
JPH0690062B2 (ja) 1994-11-14
JPS6135311A (ja) 1986-02-19
KR930001729B1 (ko) 1993-03-12
EP0172440A2 (en) 1986-02-26
US4672847A (en) 1987-06-16
EP0172440B1 (en) 1990-10-03

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