JPS6345042U - - Google Patents
Info
- Publication number
- JPS6345042U JPS6345042U JP13803886U JP13803886U JPS6345042U JP S6345042 U JPS6345042 U JP S6345042U JP 13803886 U JP13803886 U JP 13803886U JP 13803886 U JP13803886 U JP 13803886U JP S6345042 U JPS6345042 U JP S6345042U
- Authority
- JP
- Japan
- Prior art keywords
- heater
- detects
- fuel ratio
- air
- oxygen 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
- 239000001301 oxygen Substances 0.000 claims description 4
- 229910052760 oxygen Inorganic materials 0.000 claims description 4
- 239000000446 fuel Substances 0.000 claims description 3
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims 3
- 238000002485 combustion reaction Methods 0.000 claims 1
- 239000007789 gas Substances 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
Landscapes
- Electrical Control Of Ignition Timing (AREA)
- Electrical Control Of Air Or Fuel Supplied To Internal-Combustion Engine (AREA)
Description
第１図は本考案の実施例を示す構成図、第２図
はヒータの制御系の一例を示す回路図、第３図、
第４図は温度特性を示すグラフ、第５図は制御内
容の一例を示すフローチヤートである。
３……燃料噴射弁、５……酸素センサ、７……
中央制御回路、８……点火プラグ、９……ヒータ
制御回路、１０……ヒータ抵抗検出回路、１１…
…ヒータ。
Fig. 1 is a configuration diagram showing an embodiment of the present invention, Fig. 2 is a circuit diagram showing an example of a heater control system, Fig. 3,
FIG. 4 is a graph showing temperature characteristics, and FIG. 5 is a flowchart showing an example of control contents. 3...Fuel injection valve, 5...Oxygen sensor, 7...
central control circuit, 8... spark plug, 9... heater control circuit, 10... heater resistance detection circuit, 11...
…heater.
Claims (1)
素センサと、このセンサ信号に応じて空燃比をフ
イードバツク制御する空燃比制御手段とを備える
と共に、前記酸素センサのヒータの抵抗を検出す
る手段と、この抵抗値が所定値を越えたときに燃
焼を抑制して排気温度を低下させる手段とを設け
たことを特徴とするエンジンの制御装置。 An oxygen sensor with a built-in heater that detects the oxygen concentration in exhaust gas, and an air-fuel ratio control means that feedback-controls the air-fuel ratio according to the sensor signal, and means that detects the resistance of the heater of the oxygen sensor; An engine control device characterized by comprising means for suppressing combustion and lowering exhaust temperature when this resistance value exceeds a predetermined value.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13803886U JPS6345042U (en) | 1986-09-09 | 1986-09-09 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13803886U JPS6345042U (en) | 1986-09-09 | 1986-09-09 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6345042U true JPS6345042U (en) | 1988-03-26 |
Family
ID=31042653
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13803886U Pending JPS6345042U (en) | 1986-09-09 | 1986-09-09 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6345042U (en) |
-
1986
- 1986-09-09 JP JP13803886U patent/JPS6345042U/ja active Pending