JPH0219874U - - Google Patents
Info
- Publication number
- JPH0219874U JPH0219874U JP9819688U JP9819688U JPH0219874U JP H0219874 U JPH0219874 U JP H0219874U JP 9819688 U JP9819688 U JP 9819688U JP 9819688 U JP9819688 U JP 9819688U JP H0219874 U JPH0219874 U JP H0219874U
- Authority
- JP
- Japan
- Prior art keywords
- ignition timing
- detecting
- rotational speed
- determining
- predetermined 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
- 238000001514 detection method Methods 0.000 claims 2
- 230000001133 acceleration Effects 0.000 claims 1
- 238000002485 combustion reaction Methods 0.000 claims 1
- 230000003111 delayed effect Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 3
Landscapes
- Electrical Control Of Ignition Timing (AREA)
Description
第１図は本考案の概念的構成図、第２図は本考
案の実施例である点火時期制御装置を含むエンジ
ン制御装置の構成図、第３図は実施例の電子制御
装置のブロツク図、第４図及び第５図は第１実施
例の点火時期制御装置により行われる処理のフロ
ーチヤート、第６図及び第７図は第２実施例の点
火時期制御装置により行われる処理のフローチヤ
ート、第８図は第３実施例の点火時期制御装置に
より行われる処理のフローチヤートである。
１……エンジン、６……エアフロメータ、８…
…スロツトルバルブ、１８……開度センサ、２２
……点火プラグ、３８……回転速度センサ、４８
……イグナイタ、５０……電子制御装置。
FIG. 1 is a conceptual block diagram of the present invention, FIG. 2 is a block diagram of an engine control device including an ignition timing control device, which is an embodiment of the present invention, and FIG. 3 is a block diagram of an electronic control device of the embodiment. 4 and 5 are flowcharts of processing performed by the ignition timing control device of the first embodiment, FIGS. 6 and 7 are flowcharts of processing performed by the ignition timing control device of the second embodiment, FIG. 8 is a flowchart of processing performed by the ignition timing control device of the third embodiment. 1...Engine, 6...Air flow meter, 8...
...Throttle valve, 18...Opening sensor, 22
... Spark plug, 38 ... Rotation speed sensor, 48
...Igniter, 50...Electronic control device.
Claims (1)
機関の回転速度を検出する回転速度検出手段と、
検出された負荷及び回転速度に応じて、予め定め
られた関係に従い点火時期を決定する通常点火時
期決定手段と、を備えた点火時期制御装置におい
て、更に 機関の回転速度の上昇に関連する運転パラメー
タの変化を検出する加速検出手段と、 該運転パラメータの変化の速度が所定値以上に
なつた時点を検出する開始時点検出手段と、 該時点から所定の時間内であつて、機関の負荷
が所定値以上であり、かつ、回転速度が所定値以
下である場合には、上記通常点火時期決定手段の
作動を停止し、遅い点火時期を決定する点火時期
遅角手段と を備えることを特徴とする点火時期制御装置。[Claims for Utility Model Registration] Load detection means for detecting the load of an internal combustion engine; rotation speed detection means for detecting the rotation speed of the engine;
An ignition timing control device comprising normal ignition timing determining means for determining ignition timing according to a predetermined relationship according to a detected load and rotational speed, further comprising an operating parameter related to an increase in engine rotational speed. acceleration detecting means for detecting a change in the operating parameter; start point detecting means for detecting a point in time when the speed of change in the operating parameter reaches a predetermined value or more; and ignition timing retard means for stopping the operation of the normal ignition timing determining means and determining a delayed ignition timing when the rotational speed is equal to or higher than the predetermined value and the rotational speed is lower than or equal to the predetermined value. Ignition timing control device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9819688U JPH0219874U (en) | 1988-07-25 | 1988-07-25 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9819688U JPH0219874U (en) | 1988-07-25 | 1988-07-25 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0219874U true JPH0219874U (en) | 1990-02-09 |
Family
ID=31324245
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9819688U Pending JPH0219874U (en) | 1988-07-25 | 1988-07-25 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0219874U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010190170A (en) * | 2009-02-20 | 2010-09-02 | Keihin Corp | Ignition timing control apparatus for internal combustion engine |
-
1988
- 1988-07-25 JP JP9819688U patent/JPH0219874U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010190170A (en) * | 2009-02-20 | 2010-09-02 | Keihin Corp | Ignition timing control apparatus for internal combustion engine |
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