JPH01166739U - - Google Patents
Info
- Publication number
- JPH01166739U JPH01166739U JP6259288U JP6259288U JPH01166739U JP H01166739 U JPH01166739 U JP H01166739U JP 6259288 U JP6259288 U JP 6259288U JP 6259288 U JP6259288 U JP 6259288U JP H01166739 U JPH01166739 U JP H01166739U
- Authority
- JP
- Japan
- Prior art keywords
- fuel injection
- fuel
- injection amount
- control device
- injection valve
- 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 19
- 238000002347 injection Methods 0.000 claims description 14
- 239000007924 injection Substances 0.000 claims description 14
- 238000002485 combustion reaction Methods 0.000 claims description 4
- 238000010586 diagram Methods 0.000 description 8
- 238000000034 method Methods 0.000 description 2
- 239000007858 starting material Substances 0.000 description 1
- 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、本考案の基本概念図、第２図〜第５
図は、本考案に係る自動車用内燃機関の燃料噴射
量制御装置の第１実施例を示す図であり、第２図
はその全体構成図、第３図はそのコントロールユ
ニツトの構成図、第４図は始動時基本噴射量を補
正する演算手順を示すフローチヤート、第５図は
、電圧補正係数ＫＦを示すテーブルマツプであり
、第６図は本考案の第２実施例における演算手順
を示すフローチヤートであり、第７図〜第１６図
は、従来の自動車用内燃機関の燃料噴射量制御装
置を示す図であり、第７図はその全体構成図、第
８図はそのコントロールユニツトの構成図、第９
図は始動後増量補正係数を示すテーブルマツプ、
第１０図はアイドル後増量補正係数を示すテーブ
ルマツプ、第１１図はバツテリ電圧補正係数を示
すテーブルマツプ、第１２図は水温増量補正係数
を示すテーブルマツプ、第１３図は始動時基本噴
射量を示すテーブルマツプ、第１４図は回転数補
正係数を示すテーブルマツプ、第１５図は時間補
正係数を示すテーブルマツプであり、第１６図は
バツテリ電圧と燃料ポンプの吐出圧との関係を示
す図である。
２２……燃料ポンプ、２６……燃料噴射弁、２
８……端子、４１……コントロールユニツト、４
４……スタータスイツチ、６１……コントロール
ユニツト（開弁期間設定手段、燃料噴射量補正手
段）。
Figure 1 is a basic conceptual diagram of the present invention, Figures 2 to 5
The figures are diagrams showing a first embodiment of the fuel injection amount control device for an automobile internal combustion engine according to the present invention, FIG. 2 is an overall configuration diagram thereof, FIG. 3 is a configuration diagram of its control unit, and Fig. 5 is a flowchart showing the calculation procedure for correcting the basic injection amount at startup, Fig. 5 is a table map showing the voltage correction coefficient KF, and Fig. 6 is a flowchart showing the calculation procedure in the second embodiment of the present invention. 7 to 16 are diagrams showing a conventional fuel injection amount control device for an internal combustion engine for automobiles. FIG. 7 is an overall configuration diagram thereof, and FIG. 8 is a configuration diagram of its control unit. , No. 9
The figure is a table map showing the increase correction coefficient after startup.
Fig. 10 is a table map showing the post-idling increase correction coefficient, Fig. 11 is a table map showing the battery voltage correction coefficient, Fig. 12 is a table map showing the water temperature increase correction coefficient, and Fig. 13 is a table map showing the basic injection amount at startup. FIG. 14 is a table map showing the rotation speed correction coefficient, FIG. 15 is a table map showing the time correction coefficient, and FIG. 16 is a diagram showing the relationship between battery voltage and fuel pump discharge pressure. be. 22...Fuel pump, 26...Fuel injection valve, 2
8...Terminal, 41...Control unit, 4
4... Starter switch, 61... Control unit (valve opening period setting means, fuel injection amount correction means).
Claims (1)
燃料ポンプと、該燃料ポンプに電力を供給するバ
ツテリと、始動時に機関温度に基づいて燃料噴射
弁の開弁期間を設定する開弁期間設定手段とを備
え、該設定された期間燃料噴射弁を開弁する自動
車用内燃機関の燃料噴射量制御装置において、燃
料ポンプの端子電圧を検出する手段と、該電圧が
低いときは前記開弁期間を長くする燃料噴射量補
正手段とを設けたことを特徴とする自動車用内燃
機関の燃料噴射量制御装置。 A fuel injection valve, a fuel pump that supplies fuel to the fuel injection valve, a battery that supplies power to the fuel pump, and a valve opening period that sets the opening period of the fuel injection valve based on the engine temperature at the time of startup. a fuel injection amount control device for an internal combustion engine for an automobile, which opens a fuel injection valve for a set period of time, the fuel injection amount control device comprising: a means for detecting a terminal voltage of a fuel pump; and a means for detecting a terminal voltage of a fuel pump; 1. A fuel injection amount control device for an internal combustion engine for an automobile, comprising a fuel injection amount correction means for lengthening a period.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6259288U JPH01166739U (en) | 1988-05-12 | 1988-05-12 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6259288U JPH01166739U (en) | 1988-05-12 | 1988-05-12 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01166739U true JPH01166739U (en) | 1989-11-22 |
Family
ID=31288195
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6259288U Pending JPH01166739U (en) | 1988-05-12 | 1988-05-12 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01166739U (en) |
-
1988
- 1988-05-12 JP JP6259288U patent/JPH01166739U/ja active Pending