JPS6197547U - - Google Patents
Info
- Publication number
- JPS6197547U JPS6197547U JP18398784U JP18398784U JPS6197547U JP S6197547 U JPS6197547 U JP S6197547U JP 18398784 U JP18398784 U JP 18398784U JP 18398784 U JP18398784 U JP 18398784U JP S6197547 U JPS6197547 U JP S6197547U
- Authority
- JP
- Japan
- Prior art keywords
- air
- fuel ratio
- fuel
- controlling
- control signal
- 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 12
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 4
- 239000001301 oxygen Substances 0.000 claims description 4
- 229910052760 oxygen Inorganic materials 0.000 claims description 4
- 230000010349 pulsation Effects 0.000 claims description 4
- 239000007789 gas Substances 0.000 claims 2
- 239000000203 mixture Substances 0.000 claims 2
- 238000010586 diagram Methods 0.000 description 5
- 238000001514 detection method Methods 0.000 description 2
Landscapes
- Electrical Control Of Air Or Fuel Supplied To Internal-Combustion Engine (AREA)
Description
第１図は本考案の全体構成図、第２〜７図は本
考案の一実施例を示す図であり、第２図はその概
略構成図、第３図はその酸素センサの分解斜視図
、第４図はその酸素センサの断面図、第５図はそ
のコントロールユニツトのブロツク構成図、第６
図はその空燃比と検出電圧Ｖｉとの関係を示す図
、第７図はその空燃比制御のプログラムを示すフ
ローチヤートである。
１……エンジン、４……インジエクタ（操作手
段）、１４……脈動低減手段、１５……運転状態
検出手段、４８……マイクロコンピユータ（判別
手段、制御手段）、５４……空燃比検出手段。
Fig. 1 is an overall configuration diagram of the present invention, Figs. 2 to 7 are diagrams showing one embodiment of the invention, Fig. 2 is a schematic configuration diagram thereof, and Fig. 3 is an exploded perspective view of the oxygen sensor. Figure 4 is a sectional view of the oxygen sensor, Figure 5 is a block diagram of the control unit, and Figure 6 is a block diagram of the control unit.
The figure shows the relationship between the air-fuel ratio and the detected voltage Vi, and FIG. 7 is a flowchart showing the air-fuel ratio control program. DESCRIPTION OF SYMBOLS 1... Engine, 4... Injector (operation means), 14... Pulsation reduction means, 15... Operating state detection means, 48... Microcomputer (discrimination means, control means), 54... Air-fuel ratio detection means.
Claims (1)
手段と、 (b) 脈動が低減された排気中の酸素濃度を検出
して吸入混合気の空燃比を検出する空燃比検出手
段と、 (c) エンジンの運転状態を検出する運転状態検
出手段と、 (d) エンジンの運転状態に基づいて吸入混合気
の空燃比と排気中の酸素濃度との相関が所定の状
態に維持されているか否かを判別する判別手段と
、 (e) 吸入混合気の空燃比と排気中の酸素濃度と
の相関が所定の状態に維持されているとき空燃比
検出手段の出力に基づいて空燃比をフイードバツ
ク制御する制御信号を出力し、所定の状態に維持
されていないとき空燃比をフイードフオワード制
御する制御信号を出力する制御手段と、 (f) 制御信号に基づいて吸入空気あるいは燃料
の供給量を操作する操作手段と、 を備えたことを特徴とする空燃比制御装置。[Scope of Claim for Utility Model Registration] (a) Pulsation reducing means for reducing pulsation of engine exhaust; (b) Detecting the oxygen concentration in the exhaust gas with reduced pulsation to detect the air-fuel ratio of the intake air-fuel mixture. (c) an operating state detecting means for detecting the operating state of the engine; (e) determination means for determining whether the air-fuel ratio of the intake air-fuel mixture and the oxygen concentration in the exhaust gas are maintained at a predetermined state; (f) control means for outputting a control signal for feedback-controlling the air-fuel ratio based on the control signal, and outputting a control signal for feedback-controlling the air-fuel ratio when the air-fuel ratio is not maintained at a predetermined state; An air-fuel ratio control device comprising: an operating means for controlling the amount of air or fuel supplied.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18398784U JPS6197547U (en) | 1984-12-03 | 1984-12-03 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18398784U JPS6197547U (en) | 1984-12-03 | 1984-12-03 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6197547U true JPS6197547U (en) | 1986-06-23 |
Family
ID=30741470
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP18398784U Pending JPS6197547U (en) | 1984-12-03 | 1984-12-03 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6197547U (en) |
-
1984
- 1984-12-03 JP JP18398784U patent/JPS6197547U/ja active Pending