JPS5835643U - Air-fuel ratio control correction device - Google Patents
Air-fuel ratio control correction deviceInfo
- Publication number
- JPS5835643U JPS5835643U JP12953081U JP12953081U JPS5835643U JP S5835643 U JPS5835643 U JP S5835643U JP 12953081 U JP12953081 U JP 12953081U JP 12953081 U JP12953081 U JP 12953081U JP S5835643 U JPS5835643 U JP S5835643U
- Authority
- JP
- Japan
- Prior art keywords
- fuel ratio
- air
- correction device
- ratio control
- combustion engine
- 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
Landscapes
- Electrical Control Of Air Or Fuel Supplied To Internal-Combustion Engine (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図は、従来の内燃機関の空燃比制御の補正装置、第
２図は、制御ユニットの内部構成を示したブロック図、
第３図は、この考案の一実施例の構成図、第４図は、制
御定数を段階的に補正するためのフローチャート、第５
図は、車両の走行距離と制御定数との関係図を示す。
符号の説明、１・・・クランク角センサ、２・・・絞弁
開度センサ、３・・・吸入空気流量計、４・・・制御ユ
ニット、５・・・０□センサ、６・・・燃料噴射弁、７
・・・絞弁、８・・・補助空気量制御弁、９・・・負圧
制御弁、１０・・・イグニッションコイル、１１・・・
内燃機関、１２・・・波形整形回路、１３・・・周波数
−電圧変換器、１４・・・基本パルス幅演算回路、１５
・・・増量補正回路、１６・・・空燃比フィードバック
制御回路、１７・・・電圧補正回路、１８・・・バッテ
リ、１９・・・演算回路、２０・・・パワーアンプ、２
１・・・走行距離計、２２−１〜２２−ｎ・・・比較器
、２３・・・カウンタ、Ｒ１−Ｒ１＋１・・・分圧抵抗
。FIG. 1 is a conventional correction device for air-fuel ratio control of an internal combustion engine, and FIG. 2 is a block diagram showing the internal configuration of the control unit.
FIG. 3 is a block diagram of an embodiment of this invention, FIG. 4 is a flowchart for correcting the control constant in stages, and FIG.
The figure shows a diagram of the relationship between vehicle travel distance and control constants. Explanation of symbols, 1... Crank angle sensor, 2... Throttle valve opening sensor, 3... Intake air flow meter, 4... Control unit, 5... 0□ sensor, 6... Fuel injection valve, 7
... Throttle valve, 8... Auxiliary air amount control valve, 9... Negative pressure control valve, 10... Ignition coil, 11...
Internal combustion engine, 12... Waveform shaping circuit, 13... Frequency-voltage converter, 14... Basic pulse width calculation circuit, 15
... Increase correction circuit, 16... Air-fuel ratio feedback control circuit, 17... Voltage correction circuit, 18... Battery, 19... Arithmetic circuit, 20... Power amplifier, 2
1... Odometer, 22-1 to 22-n... Comparator, 23... Counter, R1-R1+1... Voltage dividing resistor.
Claims (1)
運転状態を検出するセンサと、該センサ信号を入力して
内燃機関−回転当りの燃料噴射量を演算する演算回路と
、０□センサと、車両の設定走行距離を検出する回路と
、上記センサ信号から理論空燃比を維持するように空燃
比を制御するフィードバック回路とを設け、上記設定走
行距離に応じて上記フィードバック制御定数を補正する
ように構成したことを特徴とする空燃比制御の補正装置
。In a correction device for air-fuel ratio control of an internal combustion engine, a sensor that detects the operating state of the internal combustion engine, a calculation circuit that inputs the sensor signal and calculates a fuel injection amount per rotation of the internal combustion engine, and a 0□ sensor; A circuit for detecting a set mileage of the vehicle and a feedback circuit for controlling the air-fuel ratio based on the sensor signal to maintain the stoichiometric air-fuel ratio are provided, and the feedback control constant is corrected according to the set mileage. 1. A correction device for air-fuel ratio control, characterized in that:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12953081U JPS5835643U (en) | 1981-09-02 | 1981-09-02 | Air-fuel ratio control correction device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12953081U JPS5835643U (en) | 1981-09-02 | 1981-09-02 | Air-fuel ratio control correction device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5835643U true JPS5835643U (en) | 1983-03-08 |
Family
ID=29923191
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12953081U Pending JPS5835643U (en) | 1981-09-02 | 1981-09-02 | Air-fuel ratio control correction device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5835643U (en) |
-
1981
- 1981-09-02 JP JP12953081U patent/JPS5835643U/en active Pending
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