JPH0452968U - - Google Patents
Info
- Publication number
- JPH0452968U JPH0452968U JP9512490U JP9512490U JPH0452968U JP H0452968 U JPH0452968 U JP H0452968U JP 9512490 U JP9512490 U JP 9512490U JP 9512490 U JP9512490 U JP 9512490U JP H0452968 U JPH0452968 U JP H0452968U
- Authority
- JP
- Japan
- Prior art keywords
- time
- crank angle
- level
- reversal
- ignition timing
- 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 4
- 230000001133 acceleration Effects 0.000 claims 3
- 238000001514 detection method Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 3
Landscapes
- Electrical Control Of Ignition Timing (AREA)
Description
第１図は本考案の構成を示すブロツク図、第２
図は本考案の一実施例を示すシステム図、第３図
及び第４図は制御内容を示すフローチヤート、第
５図は同上実施例に係るタイミングチヤート、第
６図は従来例に係るタイミングチヤートである。
１…内燃機関、２…点火栓、３…クランク角セ
ンサ、５…エアフロメータ、６…コントロールユ
ニツト、７…点火回路。
Figure 1 is a block diagram showing the configuration of the present invention, Figure 2 is a block diagram showing the configuration of the present invention.
The figure is a system diagram showing an embodiment of the present invention, Figures 3 and 4 are flowcharts showing control contents, Figure 5 is a timing chart according to the same embodiment, and Figure 6 is a timing chart according to a conventional example. It is. DESCRIPTION OF SYMBOLS 1... Internal combustion engine, 2... Ignition plug, 3... Crank angle sensor, 5... Air flow meter, 6... Control unit, 7... Ignition circuit.
Claims (1)
でハイレベルに反転し、所定クランク角位置でロ
ーレベルに反転する基準信号を発生する基準信号
発生手段と、基準信号の反転毎に該反転時からの
経過時間を計測して複数回の該レベル反転経過時
間を演算して記憶するレベル反転時間演算記憶手
段と、前記レベル反転時間演算記憶手段により演
算記憶される一回前のレベル反転時から最新のレ
ベルへの反転時までの経過時間とこの間のクラン
ク角度とから単位クランク角当たりの所要時間を
演算する単位クランク角時間演算手段と、機関運
転条件に応じた点火時期を設定する点火時期設定
手段と、前記単位クランク角時間演算手段により
演算される単位クランク角時間と点火時期設定手
段により設定される点火時期とから前記最新のレ
ベル反転時から点火時期までの所要時間を演算す
る所要時間演算手段と、最新のレベル反転時から
所要時間演算手段により演算された所要時間経過
時に点火を行う点火制御手段と、を備えてなる内
燃機関の点火時期制御装置において、 単位クランク角時間演算手段により演算される
単位クランク角当たりの所要時間におけるレベル
反転毎の複数回の変化より機関の加速状態を検出
する加速検出手段と、機関が加速状態の時、前記
レベル反転時間演算記憶手段により記憶された複
数回のレベル反転経過時間の変化状態に応じて単
位クランク角時間演算手段により演算された単位
クランク角当たりの所要時間を補正する補正手段
と、を設けたことを特徴とする内燃機関の点火時
期制御装置。[Claims for Utility Model Registration] Reference signal generating means for generating a reference signal that inverts to a high level at a predetermined crank angle position and to a low level at a predetermined crank angle position in a predetermined stroke of each cylinder, and an inversion of the reference signal. Level reversal time calculation storage means for calculating and storing the elapsed time of a plurality of level reversals by measuring the elapsed time from the time of each reversal; unit crank angle time calculation means for calculating the time required per unit crank angle from the elapsed time from the time of level reversal to the time of reversal to the latest level and the crank angle during this time; The time required from the latest level reversal to the ignition timing based on the ignition timing setting means to be set, the unit crank angle time calculated by the unit crank angle time calculation means, and the ignition timing set by the ignition timing setting means. In an ignition timing control device for an internal combustion engine, the ignition timing control device for an internal combustion engine comprises: a required time calculation means for calculating a unit crank angle; and an ignition control means that performs ignition when the required time calculated by the required time calculation means has elapsed from the latest level reversal. Acceleration detection means detects the acceleration state of the engine from a plurality of changes for each level reversal in the time required per unit crank angle calculated by the time calculation means; and when the engine is in the acceleration state, the level reversal time calculation storage means and a correction means for correcting the required time per unit crank angle calculated by the unit crank angle time calculation means according to the change state of the elapsed time of the plurality of level inversions stored by the internal combustion engine. Engine ignition timing control device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9512490U JPH0452968U (en) | 1990-09-12 | 1990-09-12 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9512490U JPH0452968U (en) | 1990-09-12 | 1990-09-12 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0452968U true JPH0452968U (en) | 1992-05-06 |
Family
ID=31833601
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9512490U Pending JPH0452968U (en) | 1990-09-12 | 1990-09-12 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0452968U (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5917710A (en) * | 1982-07-22 | 1984-01-30 | Toshiba Corp | Power amplifier |
-
1990
- 1990-09-12 JP JP9512490U patent/JPH0452968U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5917710A (en) * | 1982-07-22 | 1984-01-30 | Toshiba Corp | Power amplifier |
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