KR880010563A - 에어 프로 센서용 입력처리회로 - Google Patents

에어 프로 센서용 입력처리회로 Download PDF

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Publication number
KR880010563A
KR880010563A KR1019880000280A KR880000280A KR880010563A KR 880010563 A KR880010563 A KR 880010563A KR 1019880000280 A KR1019880000280 A KR 1019880000280A KR 880000280 A KR880000280 A KR 880000280A KR 880010563 A KR880010563 A KR 880010563A
Authority
KR
South Korea
Prior art keywords
processing circuit
input processing
operational amplifier
pro sensor
air pro
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.)
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Application number
KR1019880000280A
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English (en)
Other versions
KR910002791B1 (ko
Inventor
메구무 시미즈
유끼노무 니시무라
세쓰히로 시모무라
Original Assignee
시기 모리야
미쓰비시 뎅끼 가부시끼가이샤
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.)
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Publication date
Priority claimed from JP62014353A external-priority patent/JPS63182524A/ja
Priority claimed from JP62022680A external-priority patent/JPH07122586B2/ja
Application filed by 시기 모리야, 미쓰비시 뎅끼 가부시끼가이샤 filed Critical 시기 모리야
Publication of KR880010563A publication Critical patent/KR880010563A/ko
Application granted granted Critical
Publication of KR910002791B1 publication Critical patent/KR910002791B1/ko
Expired legal-status Critical Current

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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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D41/00—Electrical control of supply of combustible mixture or its constituents
    • F02D41/02—Circuit arrangements for generating control signals
    • F02D41/18—Circuit arrangements for generating control signals by measuring intake air flow
    • F02D41/187—Circuit arrangements for generating control signals by measuring intake air flow using a hot wire flow sensor
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • General Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Measuring Volume Flow (AREA)
  • Combined Controls Of Internal Combustion Engines (AREA)

Abstract

내용 없음

Description

에어 프로 센서용 입력처리회로
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제1도는 본 발명의 에어 프로 센서용 입력처리회로의 일실시예의 회로도.
제3도는 본 발명의 에어 프로 센서용 입력처리회로의 제2실시예의 회로도.
제4도는 본 발명의 에어 프로 센서용 입력처리회로의 제3실시예의 입력처리회로의 회로도.

Claims (4)

  1. 내연기관의 흡입공기유량을 계측하기 위한 에어 프로 센서의 출력을 연산증폭기를 주체로 하는 일차 필터를 통하여 처리하여 아날로그-디지탈치 변환용 집적회로에 입력하는 것을 특징으로 하는 에어 프로 센서용 입력처리회로.
  2. 제1항에 있어서, 입력처리회로는 연산증폭기를 차동증폭기로 하여 사용하고 또한 그 반전입력단과 접지간 및 비반전 입력단과 접지간 및 출력단과 반전입력단의 사이에 각각 콘덴서를 삽입한 필터로 구성한 것을 특징으로 하는 에어 프로 센서용 입력처리회로.
  3. 내연기관의 흡입공기유량을 계측하기 위한 에어 프로 센서와 아날로그치-디지탈치 변환용 집적회로와의 사이에 설치되며 이 에어 프로 센서의 출력과 기준전압을 2개의 도선으로 전달하며 이 2개의 도선의 전위의 차에 상응하여 연산증폭기를 동작시켜 이 연산증폭기에 의한 처리결과를 상기 아날로그치-디지탈치 변환용 집적회로에 송출하는 것을 특징으로 하는 에어 프로 센서용 입력처리회로.
  4. 제3항에 있어서, 입력처리회로의 연산증폭기는 그 부측 입력을 저항기를 통하여 기준전위에 접속한 것을 특징으로 하는 에어 프로 센서용 입력처리회로.
    ※참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019880000280A 1987-01-23 1988-01-16 에어프로센서용 입력처리회로 Expired KR910002791B1 (ko)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP62014353A JPS63182524A (ja) 1987-01-23 1987-01-23 エア・フロ−・センサ用入力処理回路
JP62-14353 1987-01-23
JP62-22680 1987-02-02
JP62022680A JPH07122586B2 (ja) 1987-02-02 1987-02-02 エア・フロ−・センサ用入力処理回路

Publications (2)

Publication Number Publication Date
KR880010563A true KR880010563A (ko) 1988-10-10
KR910002791B1 KR910002791B1 (ko) 1991-05-04

Family

ID=26350278

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019880000280A Expired KR910002791B1 (ko) 1987-01-23 1988-01-16 에어프로센서용 입력처리회로

Country Status (3)

Country Link
US (1) US5167152A (ko)
KR (1) KR910002791B1 (ko)
DE (1) DE3801836A1 (ko)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4120388C2 (de) * 1991-06-19 2001-05-03 Bosch Gmbh Robert Verfahren zur Temperaturerfassung
DE4413078A1 (de) * 1994-04-15 1995-10-19 Bosch Gmbh Robert Einrichtung zur Erfassung einer pulsierenden Größe
JP3216001B2 (ja) * 1995-08-08 2001-10-09 株式会社ユニシアジェックス 内燃機関の感温式流量検出装置
US5629481A (en) * 1995-09-06 1997-05-13 General Motors Corporation Mass air flow measurement system and method
JP3421245B2 (ja) 1998-05-27 2003-06-30 株式会社日立製作所 発熱抵抗体式空気流量測定装置
US7293454B2 (en) * 2003-12-12 2007-11-13 Avl North America Inc. Anti-aliasing acoustic filter in the presence of pulsating flow
DE102004047786A1 (de) * 2004-10-01 2006-04-06 Robert Bosch Gmbh Verfahren zur Pulsationskorrektur innerhalb eines einen Medienmassenstrom messenden Messgeräts
JP5473531B2 (ja) * 2009-10-22 2014-04-16 ラピスセミコンダクタ株式会社 バイアス電位発生回路
EP3665444B1 (de) * 2017-08-09 2021-09-01 Diehl Metering GmbH Messeinrichtung zur ermittlung einer ein fluid und/oder eine fluidströmung betreffenden fluidgrösse
US10436157B2 (en) * 2017-11-09 2019-10-08 Quirt Evan Crawford Apparatus for improving engine performance

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3891391A (en) * 1973-05-14 1975-06-24 George R Boone Fluid flow measuring system using improved temperature compensation apparatus and method
US3928800A (en) * 1973-06-25 1975-12-23 Sperry Rand Corp Calorimetric resistance bridges
JPS5597425U (ko) * 1978-12-22 1980-07-07
JPS56143915A (en) * 1980-04-11 1981-11-10 Nippon Soken Inc Measuring device for gas flow rate
JPS5731638U (ko) * 1980-07-30 1982-02-19
JPS5753622A (en) * 1980-09-17 1982-03-30 Nippon Soken Inc Gas flow rate measuring device
US4532218A (en) * 1981-06-29 1985-07-30 Mobil Oil Corporation Identification of carbon-containing ions adsorbed on ion-exchange resins by nuclear magnetic resonance spectroscopy
JPS5935109A (ja) * 1982-08-23 1984-02-25 Hitachi Ltd 熱式流量計
JPS6122217A (ja) * 1984-07-11 1986-01-30 Hitachi Ltd 熱式空気流量計
US4581930A (en) * 1984-08-30 1986-04-15 Ebtron, Inc. Average mass flow rate meter using self-heated thermistors
DE3520392A1 (de) * 1985-06-07 1986-12-11 Robert Bosch Gmbh, 7000 Stuttgart Abgleichverfahren fuer einen hitzdraht-luftmassenmesser und hitzdraht-luftmassenmesser zur durchfuehrung des verfahrens

Also Published As

Publication number Publication date
US5167152A (en) 1992-12-01
KR910002791B1 (ko) 1991-05-04
DE3801836A1 (de) 1988-08-04

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