JPS63198448U - - Google Patents
Info
- Publication number
- JPS63198448U JPS63198448U JP8933287U JP8933287U JPS63198448U JP S63198448 U JPS63198448 U JP S63198448U JP 8933287 U JP8933287 U JP 8933287U JP 8933287 U JP8933287 U JP 8933287U JP S63198448 U JPS63198448 U JP S63198448U
- Authority
- JP
- Japan
- Prior art keywords
- crank angle
- time
- combustion
- combustion state
- signal
- 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
- 238000002485 combustion reaction Methods 0.000 claims description 9
- 238000001514 detection method Methods 0.000 claims description 6
- 238000010586 diagram Methods 0.000 description 7
- 238000005259 measurement Methods 0.000 description 1
Landscapes
- Measuring Fluid Pressure (AREA)
- Testing Of Engines (AREA)
Description
第１図は本考案の基本概念図、第２〜８図は本
考案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図はその各部信号波形を示す波形
図、第４，５図はその図示平均有効圧と回転変動
との関係を説明するための特性図、第６図はその
回転変動検出のプログラムを示すフローチヤート
、第７図はその作用を説明するための回転変動の
変化を示す特性図、第８図はその効果を説明する
ための図示平均有効圧と回転変動との関係を示す
特性図、第９図は従来の内燃機関の燃焼状態検出
装置を示す全体構成図である。
１１……クランク角センサ（クランク角検出手
段）、１２……コントロールユニツト（時間計測
手段、燃焼状態検出手段）、１３……カウンタ。
Fig. 1 is a basic conceptual diagram of the present invention, Figs. 2 to 8 are diagrams showing one embodiment of the invention, Fig. 2 is an overall configuration diagram thereof, and Fig. 3 is a waveform diagram showing signal waveforms of each part thereof. , Figures 4 and 5 are characteristic diagrams for explaining the relationship between the indicated mean effective pressure and rotational fluctuations, Figure 6 is a flowchart showing the program for detecting rotational fluctuations, and Figure 7 explains its operation. Fig. 8 is a characteristic diagram showing the relationship between indicated mean effective pressure and rotational fluctuation to explain the effect, Fig. 9 is a conventional combustion state detection device for an internal combustion engine. It is an overall configuration diagram showing the. 11...Crank angle sensor (crank angle detection means), 12...Control unit (time measurement means, combustion state detection means), 13...Counter.
Claims (1)
よび所定の単位クランク角に対応する信号を出力
するクランク角検出手段と、 (b) クランク角検出手段からの信号に基づいて
クランク角の任意の区間の時間を計測する時間計
測手段と、 (c) 回転変動の谷となる所定のクランク角区間
をエンジンが回転するときの時間を所定クランク
角毎に計測し、これらの所定クランク角毎の時間
に基づいてそのとき燃焼行程にある気筒の燃焼状
態を検出する燃焼状態検出手段と、 を備えたことを特徴とする内燃機関の燃焼状態検
出装置。[Claims for Utility Model Registration] (a) Crank angle detection means that outputs a signal that allows identification of the cylinder in the combustion stroke and a signal corresponding to a predetermined unit crank angle; (b) (c) a time measuring means for measuring the time of an arbitrary section of the crank angle based on a signal; A combustion state detection device for an internal combustion engine, comprising: a combustion state detection means for detecting a combustion state of a cylinder in a combustion stroke at that time based on the time for each predetermined crank angle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8933287U JPS63198448U (en) | 1987-06-09 | 1987-06-09 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8933287U JPS63198448U (en) | 1987-06-09 | 1987-06-09 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS63198448U true JPS63198448U (en) | 1988-12-21 |
Family
ID=30948229
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8933287U Pending JPS63198448U (en) | 1987-06-09 | 1987-06-09 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63198448U (en) |
-
1987
- 1987-06-09 JP JP8933287U patent/JPS63198448U/ja active Pending
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