JPH01124352U - - Google Patents
Info
- Publication number
- JPH01124352U JPH01124352U JP1984188U JP1984188U JPH01124352U JP H01124352 U JPH01124352 U JP H01124352U JP 1984188 U JP1984188 U JP 1984188U JP 1984188 U JP1984188 U JP 1984188U JP H01124352 U JPH01124352 U JP H01124352U
- Authority
- JP
- Japan
- Prior art keywords
- air amount
- engine
- output
- detecting
- detection means
- 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
- 238000001514 detection method Methods 0.000 claims description 7
- 230000005856 abnormality Effects 0.000 claims description 6
- 230000002159 abnormal effect Effects 0.000 claims 1
- 238000002485 combustion reaction Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 5
- 230000000994 depressogenic effect Effects 0.000 description 1
- 238000000034 method Methods 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２〜４図は本
考案の第１実施例を示す図であり、第２図はその
全体構成図、第３図はそのエンジンの異常を判定
するプログラムを示すフローチヤート、第４図は
そのアクセルペダルが全く踏み込まれていない場
合のエンジン回転数と吸入空気量との関係を示す
図、第５，６図は本考案の第２実施例を示す図で
あり、第５図はその全体構成図、第６図はそのエ
ンジンの異常を判定するプログラムを示すフロー
チヤート、第７図は本考案の第３実施例を示すそ
のエンジンの異常を判定するプログラムを示すフ
ローチヤートである。
１……エンジン、１１……エアフローメータ（
空気量検出手段）、１２……アクセルペダル、１
４……位置センサ（位置検出手段）、１５……ク
ランク角センサ（回転数検出手段）、２０……コ
ントロールユニツト（空気量演算手段、異常判定
手段）。
Fig. 1 is a basic conceptual diagram of the present invention, Figs. 2 to 4 are diagrams showing the first embodiment of the invention, Fig. 2 is its overall configuration diagram, and Fig. 3 is a method for determining abnormalities in the engine. A flowchart showing the program, Figure 4 is a diagram showing the relationship between engine speed and intake air amount when the accelerator pedal is not depressed at all, and Figures 5 and 6 show the second embodiment of the present invention. 5 is an overall configuration diagram thereof, FIG. 6 is a flowchart showing a program for determining abnormality in the engine, and FIG. 7 is a flow chart showing a third embodiment of the present invention for determining abnormality in the engine. This is a flowchart showing the program. 1... Engine, 11... Air flow meter (
air amount detection means), 12... accelerator pedal, 1
4...Position sensor (position detection means), 15...Crank angle sensor (rotation speed detection means), 20...Control unit (air amount calculation means, abnormality determination means).
Claims (1)
段と、 (b) エンジンの吸入空気量を検出する空気量検
出手段と、 (c) アクセルペダルの位置を検出する位置検出
手段と、 (d) エンジン回転数とアクセルペダル位置とか
らエンジンの吸入空気量を演算する空気量演算手
段と、 (e) 空気量検出手段の出力と空気量演算手段の
出力とを比較し、空気量検出手段の出力が空気量
演算手段の出力より大きいときエンジンが異常と
判定する異常判定手段と、 を備えたことを特徴とする内燃機関の異常判定装
置。[Claims for Utility Model Registration] (a) A rotation speed detection means for detecting the rotation speed of the engine, (b) An air amount detection means for detecting the intake air amount of the engine, and (c) A detection means for detecting the position of the accelerator pedal. (d) air amount calculation means that calculates the intake air amount of the engine from the engine rotational speed and the accelerator pedal position; (e) an output of the air amount detection means and an output of the air amount calculation means. An abnormality determining device for an internal combustion engine, comprising: abnormality determining means for determining that the engine is abnormal when the output of the air amount detecting means is larger than the output of the air amount calculating means.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1984188U JPH01124352U (en) | 1988-02-16 | 1988-02-16 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1984188U JPH01124352U (en) | 1988-02-16 | 1988-02-16 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01124352U true JPH01124352U (en) | 1989-08-24 |
Family
ID=31235706
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1984188U Pending JPH01124352U (en) | 1988-02-16 | 1988-02-16 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01124352U (en) |
-
1988
- 1988-02-16 JP JP1984188U patent/JPH01124352U/ja active Pending