JP3992509B2 - Ａ／ｆセンサの電流検出回路 - Google Patents

Ａ／ｆセンサの電流検出回路 Download PDF

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Publication number
JP3992509B2
JP3992509B2 JP2002040127A JP2002040127A JP3992509B2 JP 3992509 B2 JP3992509 B2 JP 3992509B2 JP 2002040127 A JP2002040127 A JP 2002040127A JP 2002040127 A JP2002040127 A JP 2002040127A JP 3992509 B2 JP3992509 B2 JP 3992509B2
Authority
JP
Japan
Prior art keywords
sensor
voltage
output terminal
current detection
operational amplifier
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.)
Expired - Fee Related
Application number
JP2002040127A
Other languages
English (en)
Japanese (ja)
Other versions
JP2003240752A5 (enExample
JP2003240752A (ja
Inventor
照久 福田
広 森口
一孝 服部
慎治 池田
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Denso Ten Ltd
Toyota Motor Corp
Original Assignee
Denso Ten Ltd
Toyota Motor Corp
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 Denso Ten Ltd, Toyota Motor Corp filed Critical Denso Ten Ltd
Priority to JP2002040127A priority Critical patent/JP3992509B2/ja
Priority to DE10306481A priority patent/DE10306481B4/de
Priority to US10/367,281 priority patent/US6844734B2/en
Priority to KR10-2003-0009742A priority patent/KR100516796B1/ko
Priority to CNB2005100534245A priority patent/CN100339705C/zh
Priority to CNB031045502A priority patent/CN1202418C/zh
Publication of JP2003240752A publication Critical patent/JP2003240752A/ja
Publication of JP2003240752A5 publication Critical patent/JP2003240752A5/ja
Application granted granted Critical
Publication of JP3992509B2 publication Critical patent/JP3992509B2/ja
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
    • G01R19/0092—Arrangements for measuring currents or voltages or for indicating presence or sign thereof measuring current only
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R29/00—Arrangements for measuring or indicating electric quantities not covered by groups G01R19/00 - G01R27/00

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Measurement Of Resistance Or Impedance (AREA)
  • Measurement Of Current Or Voltage (AREA)
  • Combined Controls Of Internal Combustion Engines (AREA)
JP2002040127A 2002-02-18 2002-02-18 Ａ／ｆセンサの電流検出回路 Expired - Fee Related JP3992509B2 (ja)

Priority Applications (6)

Application Number Priority Date Filing Date Title
JP2002040127A JP3992509B2 (ja) 2002-02-18 2002-02-18 Ａ／ｆセンサの電流検出回路
DE10306481A DE10306481B4 (de) 2002-02-18 2003-02-14 Schaltkreis zur Erfassung von Strom für einen Lambda-Sensor
US10/367,281 US6844734B2 (en) 2002-02-18 2003-02-14 Current detection circuit for A/F sensor
KR10-2003-0009742A KR100516796B1 (ko) 2002-02-18 2003-02-17 Ａ／ｆ 센서의 전류 검출 회로
CNB2005100534245A CN100339705C (zh) 2002-02-18 2003-02-18 A/f传感器的电流检测电路
CNB031045502A CN1202418C (zh) 2002-02-18 2003-02-18 A/f传感器的电流检测电路

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2002040127A JP3992509B2 (ja) 2002-02-18 2002-02-18 Ａ／ｆセンサの電流検出回路

Publications (3)

Publication Number Publication Date
JP2003240752A JP2003240752A (ja) 2003-08-27
JP2003240752A5 JP2003240752A5 (enExample) 2005-08-18
JP3992509B2 true JP3992509B2 (ja) 2007-10-17

Family

ID=27678289

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2002040127A Expired - Fee Related JP3992509B2 (ja) 2002-02-18 2002-02-18 Ａ／ｆセンサの電流検出回路

Country Status (5)

Country Link
US (1) US6844734B2 (enExample)
JP (1) JP3992509B2 (enExample)
KR (1) KR100516796B1 (enExample)
CN (2) CN100339705C (enExample)
DE (1) DE10306481B4 (enExample)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101781278B1 (ko) * 2013-01-29 2017-09-22 도요타지도샤가부시키가이샤 내연 기관의 제어 장치
JP2017020963A (ja) * 2015-07-14 2017-01-26 日置電機株式会社 加算平均ユニットおよび測定装置
CN110873592B (zh) * 2018-08-31 2021-08-27 佛山市顺德区美的电热电器制造有限公司 检测电路、流量传感器和家用电器
CN113257368B (zh) * 2021-04-08 2022-09-09 西安电子科技大学 一种燃气当量比预测方法、系统及处理终端

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0961397A (ja) * 1995-08-30 1997-03-07 Denso Corp 空燃比検出装置
DE19636226B4 (de) 1996-09-06 2005-06-02 Robert Bosch Gmbh Lambdasondeninnenwiderstandsbestimmung
JP3487159B2 (ja) * 1997-05-21 2004-01-13 株式会社デンソー ガス濃度検出装置及びその製造方法
US6082177A (en) * 1997-09-22 2000-07-04 Snap-On Tools Company Nitric oxide enhanced response circuit for gas analyzer
JP2000046791A (ja) 1998-05-29 2000-02-18 Denso Corp ガス濃度検出装置
JP3633371B2 (ja) 1999-05-21 2005-03-30 株式会社デンソー 空燃比検出装置
JP3843880B2 (ja) * 2001-05-31 2006-11-08 株式会社デンソー ガス濃度センサのヒータ制御装置

Also Published As

Publication number Publication date
CN1651923A (zh) 2005-08-10
US20030155931A1 (en) 2003-08-21
CN1202418C (zh) 2005-05-18
DE10306481B4 (de) 2006-11-09
DE10306481A1 (de) 2003-10-02
CN100339705C (zh) 2007-09-26
JP2003240752A (ja) 2003-08-27
US6844734B2 (en) 2005-01-18
KR100516796B1 (ko) 2005-09-26
KR20030069104A (ko) 2003-08-25
CN1439875A (zh) 2003-09-03

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