JPS62183044U - - Google Patents
Info
- Publication number
- JPS62183044U JPS62183044U JP6993986U JP6993986U JPS62183044U JP S62183044 U JPS62183044 U JP S62183044U JP 6993986 U JP6993986 U JP 6993986U JP 6993986 U JP6993986 U JP 6993986U JP S62183044 U JPS62183044 U JP S62183044U
- Authority
- JP
- Japan
- Prior art keywords
- fuel injection
- injection amount
- setting means
- engine
- acceleration
- 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.)
- Granted
Links
- 239000000446 fuel Substances 0.000 claims description 22
- 238000002347 injection Methods 0.000 claims description 21
- 239000007924 injection Substances 0.000 claims description 21
- 230000001133 acceleration Effects 0.000 claims 8
- 238000002485 combustion reaction Methods 0.000 claims 1
- 238000001514 detection method Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Electrical Control Of Air Or Fuel Supplied To Internal-Combustion Engine (AREA)
Description
第1図は本考案の構成図、第2図は本考案に係
る電子制御燃料噴射装置の一実施例を示すシステ
ム図、第3図は同上実施例における燃料噴射量設
定制御を示すフローチヤート、第4図は従来制御
における問題点を説明するためのタイムチヤート
である。
1……回転速度センサ、2……エアフローメー
タ、3……スロツトル弁開度センサ、4……水温
センサ、5……コントロールユニツト、6……駆
動回路、7……燃料噴射弁。
FIG. 1 is a configuration diagram of the present invention, FIG. 2 is a system diagram showing an embodiment of an electronically controlled fuel injection device according to the present invention, and FIG. 3 is a flowchart showing fuel injection amount setting control in the same embodiment. FIG. 4 is a time chart for explaining problems in conventional control. DESCRIPTION OF SYMBOLS 1...Rotational speed sensor, 2...Air flow meter, 3...Throttle valve opening sensor, 4...Water temperature sensor, 5...Control unit, 6...Drive circuit, 7...Fuel injection valve.
Claims (1)
段と、機関の吸入空気流量と機関の吸気通路に介
装されたスロツトル弁の開度と機関回転速度とを
それぞれ検出する手段と、機関の加速状態が検出
されてから所定時間スロツトル弁開度と機関回転
速度との検出値に基づいて燃料噴射量を設定する
加速用燃料噴射量設定手段と、該加速用燃料噴射
量設定手段による燃料噴射量設定運転領域以外の
運転領域において吸入空気流量と機関回転速度と
の検出値に基づいて燃料噴射量を設定する主燃料
噴射量設定手段と、該主燃料噴射量設定手段と前
記加速用燃料噴射量設定手段との切換時に両設定
手段による設定燃料噴射量に所定以上の偏差があ
るときに設定燃料噴射量の変化を鈍らすように補
正設定する切換時燃料噴射量補正手段と、前記主
燃料噴射量設定手段、加速用燃料噴射量設定手段
若しくは切換時燃料噴射量補正手段によつて設定
された燃料噴射量に応じて燃料噴射弁を駆動制御
する駆動制御手段と、を備えてなる内燃機関の電
子制御燃料噴射装置。 an engine acceleration state detection means for detecting the acceleration state of the engine; a means for detecting the intake air flow rate of the engine; the opening degree of a throttle valve interposed in the intake passage of the engine; and the engine rotation speed; and an acceleration state of the engine. an acceleration fuel injection amount setting means for setting a fuel injection amount based on detected values of a throttle valve opening degree and an engine rotational speed for a predetermined period of time after the acceleration fuel injection amount setting means; and a fuel injection amount setting means by the acceleration fuel injection amount setting means. a main fuel injection amount setting means for setting a fuel injection amount based on detected values of intake air flow rate and engine rotational speed in an operating region other than the operating region, the main fuel injection amount setting means and the acceleration fuel injection amount setting means; switching fuel injection amount correction means for correcting and setting a change in the set fuel injection amount when there is a deviation of more than a predetermined value in the set fuel injection amount by both setting means when switching between the main fuel injection amount and the main fuel injection amount; An electronic control device for an internal combustion engine comprising: a setting means; and a drive control means for driving and controlling a fuel injection valve according to the fuel injection amount set by the acceleration fuel injection amount setting means or the switching fuel injection amount correction means. Control fuel injector.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP6993986U JPH0744747Y2 (en) | 1986-05-12 | 1986-05-12 | Electronically controlled fuel injection device for internal combustion engine |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP6993986U JPH0744747Y2 (en) | 1986-05-12 | 1986-05-12 | Electronically controlled fuel injection device for internal combustion engine |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS62183044U true JPS62183044U (en) | 1987-11-20 |
JPH0744747Y2 JPH0744747Y2 (en) | 1995-10-11 |
Family
ID=30911116
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP6993986U Expired - Lifetime JPH0744747Y2 (en) | 1986-05-12 | 1986-05-12 | Electronically controlled fuel injection device for internal combustion engine |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH0744747Y2 (en) |
-
1986
- 1986-05-12 JP JP6993986U patent/JPH0744747Y2/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
JPH0744747Y2 (en) | 1995-10-11 |