JPS61146759U - - Google Patents
Info
- Publication number
- JPS61146759U JPS61146759U JP2805385U JP2805385U JPS61146759U JP S61146759 U JPS61146759 U JP S61146759U JP 2805385 U JP2805385 U JP 2805385U JP 2805385 U JP2805385 U JP 2805385U JP S61146759 U JPS61146759 U JP S61146759U
- Authority
- JP
- Japan
- Prior art keywords
- oxygen sensor
- determining
- electromotive force
- outputting
- characteristic
- 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.)
- Pending
Links
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 8
- 239000001301 oxygen Substances 0.000 claims description 8
- 229910052760 oxygen Inorganic materials 0.000 claims description 8
- 230000002159 abnormal effect Effects 0.000 claims 3
- 238000001514 detection method Methods 0.000 claims 2
- 239000000446 fuel Substances 0.000 claims 2
- 230000005856 abnormality Effects 0.000 claims 1
- 238000002485 combustion reaction Methods 0.000 claims 1
- 239000007789 gas Substances 0.000 claims 1
- 239000000203 mixture Substances 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 4
Landscapes
- Measuring Oxygen Concentration In Cells (AREA)
Description
第１図は本考案の一実施例を示す回路図、第２
図は酸素センサの起電力特性図、第３図は従来例
を示す回路図である。 １……酸素センサ、１０……ウインドコンパレ
ータ、１５……タイマー回路、１８……ＬＥＤ。
図は酸素センサの起電力特性図、第３図は従来例
を示す回路図である。 １……酸素センサ、１０……ウインドコンパレ
ータ、１５……タイマー回路、１８……ＬＥＤ。
Claims (1)
- 内燃機関の排気管に取付けられて排気中の酸素
濃度に応じた起電力を発生し混合気を理論空燃比
で燃焼させたときを境としてリツチ側とリーン側
とで起電力が急変する特性を有する酸素センサの
良否判定装置であつて、酸素センサの起電力が前
記特性の変化点を含むその近傍の範囲にあること
を検出して検出信号を出力する検出手段と、この
検出信号を受けてこれが所定時間継続したときに
異常と判定し異常信号を出力する判定手段と、こ
の異常信号を受けて酸素センサの異常を表示する
表示手段とを備えてなる酸素センサの良否判定装
置。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2805385U JPS61146759U (ja) | 1985-03-01 | 1985-03-01 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2805385U JPS61146759U (ja) | 1985-03-01 | 1985-03-01 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS61146759U true JPS61146759U (ja) | 1986-09-10 |
Family
ID=30525572
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2805385U Pending JPS61146759U (ja) | 1985-03-01 | 1985-03-01 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61146759U (ja) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0323355U (ja) * | 1989-07-17 | 1991-03-11 |
-
1985
- 1985-03-01 JP JP2805385U patent/JPS61146759U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0323355U (ja) * | 1989-07-17 | 1991-03-11 |
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