DE3913608C2 - - Google Patents
Info
- Publication number
- DE3913608C2 DE3913608C2 DE3913608A DE3913608A DE3913608C2 DE 3913608 C2 DE3913608 C2 DE 3913608C2 DE 3913608 A DE3913608 A DE 3913608A DE 3913608 A DE3913608 A DE 3913608A DE 3913608 C2 DE3913608 C2 DE 3913608C2
- Authority
- DE
- Germany
- Prior art keywords
- sensor
- predetermined
- voltage
- output voltage
- electrodes
- 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 - Lifetime
Links
- 239000000446 fuel Substances 0.000 claims description 61
- 239000007789 gas Substances 0.000 claims description 55
- 230000008859 change Effects 0.000 claims description 34
- 238000000034 method Methods 0.000 claims description 32
- 230000007547 defect Effects 0.000 claims description 17
- 238000001514 detection method Methods 0.000 claims description 16
- 239000007784 solid electrolyte Substances 0.000 claims description 15
- 230000002950 deficient Effects 0.000 claims description 13
- 238000002485 combustion reaction Methods 0.000 claims description 12
- 239000000203 mixture Substances 0.000 claims description 11
- 238000010438 heat treatment Methods 0.000 claims description 7
- 230000004044 response Effects 0.000 claims description 7
- MCMNRKCIXSYSNV-UHFFFAOYSA-N ZrO2 Inorganic materials O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 description 25
- 238000012360 testing method Methods 0.000 description 19
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 13
- 239000001301 oxygen Substances 0.000 description 13
- 229910052760 oxygen Inorganic materials 0.000 description 13
- 239000002826 coolant Substances 0.000 description 11
- 238000002347 injection Methods 0.000 description 11
- 239000007924 injection Substances 0.000 description 11
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 10
- 238000010586 diagram Methods 0.000 description 9
- 238000004092 self-diagnosis Methods 0.000 description 9
- 239000012212 insulator Substances 0.000 description 7
- RVTZCBVAJQQJTK-UHFFFAOYSA-N oxygen(2-);zirconium(4+) Chemical compound [O-2].[O-2].[Zr+4] RVTZCBVAJQQJTK-UHFFFAOYSA-N 0.000 description 6
- 238000012937 correction Methods 0.000 description 5
- 230000006866 deterioration Effects 0.000 description 5
- 230000006870 function Effects 0.000 description 5
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 description 5
- 229910052697 platinum Inorganic materials 0.000 description 5
- 239000003990 capacitor Substances 0.000 description 3
- 230000007423 decrease Effects 0.000 description 3
- 238000012544 monitoring process Methods 0.000 description 3
- 230000001681 protective effect Effects 0.000 description 3
- 238000000926 separation method Methods 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 239000003792 electrolyte Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 238000011144 upstream manufacturing Methods 0.000 description 2
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 description 1
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 description 1
- 230000005856 abnormality Effects 0.000 description 1
- 230000001133 acceleration Effects 0.000 description 1
- 230000004913 activation Effects 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 230000003321 amplification Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 230000003197 catalytic effect Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000003745 diagnosis Methods 0.000 description 1
- 229910001882 dioxygen Inorganic materials 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 229910052731 fluorine Inorganic materials 0.000 description 1
- 239000011737 fluorine Substances 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 229910001928 zirconium oxide Inorganic materials 0.000 description 1
Classifications
-
- 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
- F02D41/14—Introducing closed-loop corrections
- F02D41/1438—Introducing closed-loop corrections using means for determining characteristics of the combustion gases; Sensors therefor
- F02D41/1493—Details
- F02D41/1495—Detection of abnormalities in the air/fuel ratio feedback system
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
- G01N27/26—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating electrochemical variables; by using electrolysis or electrophoresis
- G01N27/416—Systems
- G01N27/417—Systems using cells, i.e. more than one cell and probes with solid electrolytes
- G01N27/4175—Calibrating or checking the analyser
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Biochemistry (AREA)
- Immunology (AREA)
- Physics & Mathematics (AREA)
- Analytical Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Electrochemistry (AREA)
- Pathology (AREA)
- Molecular Biology (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Combined Controls Of Internal Combustion Engines (AREA)
- Electrical Control Of Air Or Fuel Supplied To Internal-Combustion Engine (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP63101571A JPH0769288B2 (ja) | 1988-04-25 | 1988-04-25 | 内燃エンジンの排気濃度センサの故障検出方法 |
| JP63121386A JPH0762661B2 (ja) | 1988-05-18 | 1988-05-18 | 排気濃度検出器 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE3913608A1 DE3913608A1 (de) | 1989-11-02 |
| DE3913608C2 true DE3913608C2 (enExample) | 1991-11-14 |
Family
ID=26442442
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE3913608A Granted DE3913608A1 (de) | 1988-04-25 | 1989-04-25 | Abtastvorrichtung fuer die konzentration eines auspuffgasbestandteils und verfahren zur erfassung ihres versagens |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US4951632A (enExample) |
| DE (1) | DE3913608A1 (enExample) |
| GB (1) | GB2219093B (enExample) |
Families Citing this family (28)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3840148A1 (de) * | 1988-11-29 | 1990-05-31 | Bosch Gmbh Robert | Verfahren und vorrichtung zum erkennen eines fehlerzustandes einer lambdasonde |
| JPH0318644A (ja) * | 1989-06-16 | 1991-01-28 | Japan Electron Control Syst Co Ltd | 内燃機関の燃料供給制御装置における空燃比検出診断装置 |
| DE3928709A1 (de) * | 1989-08-30 | 1991-03-07 | Bosch Gmbh Robert | Verfahren und vorrichtung zur ueberpruefung der funktionsfaehigkeit einer abgassondenheizung und deren zuleitungssystem |
| JP2863229B2 (ja) * | 1989-12-22 | 1999-03-03 | 三菱電機株式会社 | 内燃機関の空燃比制御装置 |
| JPH0819871B2 (ja) * | 1990-02-28 | 1996-02-28 | 本田技研工業株式会社 | 内燃エンジンの燃料供給系の異常検出方法 |
| US5273640A (en) * | 1990-06-11 | 1993-12-28 | Matsushita Electric Works, Ltd. | Electrochemical gas sensor |
| KR940004344B1 (ko) * | 1990-07-10 | 1994-05-23 | 미쯔비시지도오샤고오교오 가부시기가이샤 | 공연비 제어장치 |
| DE4113316C2 (de) * | 1991-04-24 | 2003-09-11 | Bosch Gmbh Robert | Anschlußschaltung für eine Lambdasonde und Prüfverfahren für eine solche Schaltung |
| JPH05163974A (ja) * | 1991-12-12 | 1993-06-29 | Yamaha Motor Co Ltd | 内燃機関の燃料噴射制御装置 |
| US5237983A (en) * | 1992-11-06 | 1993-08-24 | Ford Motor Company | Method and apparatus for operating an engine having a faulty fuel type sensor |
| DE59304054D1 (de) * | 1993-05-14 | 1996-11-07 | Siemens Ag | Verfahren zur Unterscheidung der Fehlerursachen im Gemischbildungs- bzw. Gemischregelungssystem einer Brennkraftmaschine |
| DE4333231A1 (de) * | 1993-09-30 | 1995-04-06 | Bosch Gmbh Robert | Verfahren zum Betrieb einer Sauerstoffsonde mit interner Referenzatmosphäre |
| US5464000A (en) * | 1993-10-06 | 1995-11-07 | Ford Motor Company | Fuel controller with an adaptive adder |
| US5392643A (en) * | 1993-11-22 | 1995-02-28 | Chrysler Corporation | Oxygen heater sensor diagnostic routine |
| DE4408021A1 (de) * | 1994-03-10 | 1995-09-14 | Bosch Gmbh Robert | Vorrichtung zur Erfassung des Sauerstoffgehalts in Gasen |
| DE4445948C2 (de) * | 1994-12-22 | 1998-04-02 | Draegerwerk Ag | Verfahren zum Betreiben einer amperometrischen Meßzelle |
| DE4445947C2 (de) * | 1994-12-22 | 1998-03-12 | Draegerwerk Ag | Verfahren zur Erkennung von Fehlerquellen bei amperometrischen Meßzellen |
| US5769063A (en) * | 1996-06-05 | 1998-06-23 | Toyota Jidosha Kabushiki Kaisha | Malfunction detecting apparatus for air-fuel ratio sensor |
| US5980728A (en) * | 1996-09-24 | 1999-11-09 | Rosemont Analytical Inc. | Diagnostic method and apparatus for solid electrolyte gas analyzer |
| FR2756389B1 (fr) * | 1996-11-22 | 1999-01-22 | Renault | Procede de controle d'un capteur equipant un moteur a combustion interne |
| DE19842425C2 (de) * | 1998-09-16 | 2003-10-02 | Siemens Ag | Verfahren zur Korrektur der Kennlinie einer linearen Lambda-Sonde |
| JP3763298B2 (ja) * | 2003-01-09 | 2006-04-05 | トヨタ自動車株式会社 | ガス濃度検出装置の故障診断装置 |
| JP4252359B2 (ja) * | 2003-05-09 | 2009-04-08 | 株式会社日本自動車部品総合研究所 | ガス濃度センサの異常検出装置 |
| JP4107495B2 (ja) * | 2003-08-27 | 2008-06-25 | 三菱電機株式会社 | 空燃比演算装置 |
| US8556505B2 (en) * | 2009-09-18 | 2013-10-15 | Cummins Ip, Inc. | Apparatus, system, and method for accurately reading high and low temperatures |
| JP6375639B2 (ja) * | 2014-02-21 | 2018-08-22 | ダイキン工業株式会社 | 空気調和装置 |
| KR101601756B1 (ko) * | 2014-09-30 | 2016-03-10 | 현대오트론 주식회사 | 산소 센서의 단선 진단 방법 및 그 장치 |
| US10443526B2 (en) * | 2016-09-14 | 2019-10-15 | Denso Corporation | Air-fuel ratio sensing device |
Family Cites Families (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2612915C2 (de) * | 1976-03-26 | 1986-05-28 | Robert Bosch Gmbh, 7000 Stuttgart | Verfahren und Vorrichtung einer unter der Führung einer λ-Sonde arbeitenden Regelung |
| JPS5654346A (en) * | 1979-10-09 | 1981-05-14 | Nissan Motor Co Ltd | Controller for air fuel ratio |
| JPS6042368Y2 (ja) * | 1979-10-25 | 1985-12-26 | 日産自動車株式会社 | 空燃比制御装置 |
| JPS5724439A (en) * | 1980-07-16 | 1982-02-09 | Fuji Heavy Ind Ltd | Air fuel ratio controller |
| JPS5748649A (en) * | 1980-09-08 | 1982-03-20 | Nissan Motor Co Ltd | Controller for air-to-fuel ratio of internal combustion engine |
| JPS57212347A (en) * | 1981-06-25 | 1982-12-27 | Nissan Motor Co Ltd | Air-fuel ratio control system |
| DE3211644A1 (de) * | 1982-03-30 | 1983-10-13 | Daimler-Benz Ag, 7000 Stuttgart | Vorrichtung zur ausfallerkennung eines sensors |
| JPS59168357A (ja) * | 1983-03-15 | 1984-09-22 | Fujikura Ltd | 固体電解質酸素センサ−の劣化検出方法 |
| JPS61138156A (ja) * | 1984-12-11 | 1986-06-25 | Ngk Spark Plug Co Ltd | 空燃比検出装置 |
| JPS61195349A (ja) * | 1985-02-25 | 1986-08-29 | Ngk Spark Plug Co Ltd | 内燃機関の空燃比検出装置 |
| JPS61241647A (ja) * | 1985-04-19 | 1986-10-27 | Fujikura Ltd | 酸素センサ−の劣化診断方法 |
| JPH0711435B2 (ja) * | 1985-07-23 | 1995-02-08 | トヨタ自動車株式会社 | 内燃機関のセンサ異常判定方法 |
| JPH079417B2 (ja) * | 1986-03-27 | 1995-02-01 | 本田技研工業株式会社 | 酸素濃度センサの異常検出方法 |
| JPH073404B2 (ja) * | 1986-03-27 | 1995-01-18 | 本田技研工業株式会社 | 酸素濃度センサの異常検出方法 |
| JPH073403B2 (ja) * | 1986-03-27 | 1995-01-18 | 本田技研工業株式会社 | 酸素濃度センサの異常検出方法 |
| DE3637304A1 (de) * | 1986-08-23 | 1988-05-05 | Vdo Schindling | Verfahren und schaltungsanordnung zur erkennung der betriebsbereitschaft einer sauerstoffmesssonde |
-
1989
- 1989-04-21 US US07/341,635 patent/US4951632A/en not_active Expired - Lifetime
- 1989-04-25 GB GB8909398A patent/GB2219093B/en not_active Expired - Lifetime
- 1989-04-25 DE DE3913608A patent/DE3913608A1/de active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| GB2219093B (en) | 1992-11-18 |
| DE3913608A1 (de) | 1989-11-02 |
| GB2219093A (en) | 1989-11-29 |
| GB8909398D0 (en) | 1989-06-14 |
| US4951632A (en) | 1990-08-28 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| OP8 | Request for examination as to paragraph 44 patent law | ||
| D2 | Grant after examination | ||
| 8364 | No opposition during term of opposition | ||
| 8339 | Ceased/non-payment of the annual fee |