JPH0246044U - - Google Patents
Info
- Publication number
- JPH0246044U JPH0246044U JP12460088U JP12460088U JPH0246044U JP H0246044 U JPH0246044 U JP H0246044U JP 12460088 U JP12460088 U JP 12460088U JP 12460088 U JP12460088 U JP 12460088U JP H0246044 U JPH0246044 U JP H0246044U
- Authority
- JP
- Japan
- Prior art keywords
- engine
- throttle valve
- acceleration
- opening degree
- increase value
- 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
- 238000002347 injection Methods 0.000 claims description 11
- 239000007924 injection Substances 0.000 claims description 11
- 239000000446 fuel Substances 0.000 claims description 8
- 230000001133 acceleration Effects 0.000 claims description 5
- 238000002485 combustion reaction Methods 0.000 claims description 4
- 238000001514 detection method Methods 0.000 claims description 4
- 238000010586 diagram Methods 0.000 description 7
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２〜８図は本
考案に係る内燃機関の燃料噴射装置の一実施例を
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ブロツク図、第４
図はその噴射制御のプログラムを示すフローチヤ
ート、第５図はそのＴＶＯＭＡＸのマツプを示す
図、第６図はその１／ＴＶＯＭＡＸのマツプを示
す図、第７図はその補正値αのマツプを示す図、
第８図はその補正値βのマツプを示す図、第９図
は従来の内燃機関の燃料噴射装置の作用を説明す
るためにスロツトル開度と吸入空気量との関係を
示す図である。
１……エンジン、４……インジエクタ（燃料噴
射手段）、１１……エアフローメータ、１３……
スロツトル開度センサ（開度検出手段）、１４…
…クランク角センサ、１５……運転状態検出手段
、２０……コントロールユニツト（加速判別手段
、増量値演算手段、噴射量演算手段）。
Fig. 1 is a basic conceptual diagram of the present invention, Figs. 2 to 8 are diagrams showing an embodiment of a fuel injection device for an internal combustion engine according to the present invention, Fig. 2 is an overall configuration diagram thereof, and Fig. 3 is a diagram showing an embodiment of the fuel injection device for an internal combustion engine according to the present invention. Block diagram of the control unit, No. 4
Figure 5 is a flowchart showing the injection control program, Figure 5 is a map of TVOMAX, Figure 6 is a map of 1/TVOMAX, and Figure 7 is a map of correction value α. figure,
FIG. 8 is a diagram showing a map of the correction value β, and FIG. 9 is a diagram showing the relationship between the throttle opening degree and the intake air amount in order to explain the operation of a conventional fuel injection device for an internal combustion engine. 1...Engine, 4...Injector (fuel injection means), 11...Air flow meter, 13...
Throttle opening sensor (opening detection means), 14...
... Crank angle sensor, 15 ... Operating state detection means, 20 ... Control unit (acceleration determination means, increase value calculation means, injection amount calculation means).
Claims (1)
タとしてエンジンの運転状態を検出する運転状態
検出手段と、 ｂ 絞弁の開度を検出する開度検出手段と、 ｃ 絞弁の開度変化から加速を判別する加速判別
手段と、 ｄ 各エンジン回転数毎にその回転において最大
吸入空気量を与える絞弁開度を最大流量開度して
求め、該最大流量開度と実際の絞弁開度との比に
基づいて燃料の加速増量値を演算する増量値演算
手段と、 ｅ エンジンの運転状態に基づいて基本噴射量を
演算し、エンジンが所定の加速状態に移行すると
、該基本噴射量を前記加速増量値に応じて補正す
る噴射量演算手段と、 ｆ 噴射量演算手段の出力に基づいてエンジンに
燃料を噴射する燃料噴射手段と、 を備えたことを特徴とする内燃機関の燃料噴射
装置。[Scope of Claim for Utility Model Registration] a. Operating state detection means for detecting the operating state of the engine using engine speed and intake air amount as parameters; b. Opening degree detection means for detecting the opening degree of the throttle valve; c. Throttle valve. an acceleration determination means for determining acceleration based on a change in the opening of the engine; an increase value calculation means for calculating an acceleration increase value of the fuel based on the ratio of the opening degree of the throttle valve to the throttle valve opening; An internal combustion engine characterized by comprising: an injection amount calculation means for correcting the basic injection amount according to the acceleration increase value; and a fuel injection means for injecting fuel into the engine based on the output of the injection amount calculation means. Engine fuel injection system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12460088U JPH0246044U (en) | 1988-09-21 | 1988-09-21 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12460088U JPH0246044U (en) | 1988-09-21 | 1988-09-21 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0246044U true JPH0246044U (en) | 1990-03-29 |
Family
ID=31374478
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12460088U Pending JPH0246044U (en) | 1988-09-21 | 1988-09-21 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0246044U (en) |
-
1988
- 1988-09-21 JP JP12460088U patent/JPH0246044U/ja active Pending
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