JPS61184961U - - Google Patents
Info
- Publication number
- JPS61184961U JPS61184961U JP6920485U JP6920485U JPS61184961U JP S61184961 U JPS61184961 U JP S61184961U JP 6920485 U JP6920485 U JP 6920485U JP 6920485 U JP6920485 U JP 6920485U JP S61184961 U JPS61184961 U JP S61184961U
- Authority
- JP
- Japan
- Prior art keywords
- air
- fuel ratio
- detects
- oxygen sensor
- sensor
- 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
- 239000000446 fuel Substances 0.000 claims description 10
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 7
- 238000001514 detection method Methods 0.000 claims description 7
- 229910052760 oxygen Inorganic materials 0.000 claims description 7
- 239000001301 oxygen Substances 0.000 claims description 7
- 239000000203 mixture Substances 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 4
Description
第１図は本考案に係る空燃比検出装置を示すそ
の全体図、第２図〜第４図は本考案の一実施例を
示す図であり、第２図はその概略全体構成図、第
３図はその鉛センサを示す半断面図、第４図はそ
の検出制御停止の制御プログラムを示すフローチ
ヤート、第５図は鉛センサの他の実施例を示す概
略構成図、第６図〜第９図は先頭に係る空燃比検
出装置を示す図であり、第６図はその酸素センサ
の分解斜視図、第７図はその酸素センサの断面図
、第８図はその空燃比検出回路の回路図、第９図
はその検出電圧と空燃比との関係を示すグラフで
ある。
５３……酸素センサ、５４，７１……鉛センサ
、５６……空燃比検出手段、５９……停止手段。
FIG. 1 is an overall view showing an air-fuel ratio detection device according to the present invention, FIGS. 2 to 4 are views showing an embodiment of the present invention, FIG. 2 is a schematic overall configuration diagram thereof, and FIG. The figure is a half-sectional view showing the lead sensor, FIG. 4 is a flowchart showing the control program for stopping the detection control, FIG. 5 is a schematic configuration diagram showing another embodiment of the lead sensor, and FIGS. 6 to 9 The figures are diagrams showing the air-fuel ratio detection device at the top, Fig. 6 is an exploded perspective view of its oxygen sensor, Fig. 7 is a sectional view of its oxygen sensor, and Fig. 8 is a circuit diagram of its air-fuel ratio detection circuit. , FIG. 9 is a graph showing the relationship between the detected voltage and the air-fuel ratio. 53...Oxygen sensor, 54, 71...Lead sensor, 56...Air-fuel ratio detection means, 59...Stopping means.
Claims (1)
料中の鉛成分を検出する鉛センサと、酸素センサ
の出力値に基づいて吸入混合気の空燃比を検出す
る空燃比検出手段と、所定量以上の鉛成分を検出
したとき酸素センサの制御を停止する停止手段と
、を備えたことを特徴ちとする空燃比検出装置。 an oxygen sensor that detects the oxygen concentration in the exhaust; a lead sensor that detects the lead component in the fuel; an air-fuel ratio detection means that detects the air-fuel ratio of the intake air-fuel mixture based on the output value of the oxygen sensor; An air-fuel ratio detection device comprising: a stop means for stopping control of an oxygen sensor when a lead component is detected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6920485U JPS61184961U (en) | 1985-05-10 | 1985-05-10 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6920485U JPS61184961U (en) | 1985-05-10 | 1985-05-10 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS61184961U true JPS61184961U (en) | 1986-11-18 |
Family
ID=30604656
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6920485U Pending JPS61184961U (en) | 1985-05-10 | 1985-05-10 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61184961U (en) |
-
1985
- 1985-05-10 JP JP6920485U patent/JPS61184961U/ja active Pending
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