JPH0166475U - - Google Patents
Info
- Publication number
- JPH0166475U JPH0166475U JP1987161317U JP16131787U JPH0166475U JP H0166475 U JPH0166475 U JP H0166475U JP 1987161317 U JP1987161317 U JP 1987161317U JP 16131787 U JP16131787 U JP 16131787U JP H0166475 U JPH0166475 U JP H0166475U
- Authority
- JP
- Japan
- Prior art keywords
- knocking
- ignition timing
- slice level
- intensity
- internal combustion
- 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 2
- 238000001514 detection method Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 4
- 230000001186 cumulative effect Effects 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
Landscapes
- Electrical Control Of Ignition Timing (AREA)
Description
第１図は本考案の構成を示す機能ブロツク図、
第２図は本考案の一実施例を示すシステム図、第
３図は点火時期制御のフローチヤート、第４図は
ノツキング判定用スライスレベルのマツプを示す
図、第５図は負荷に応じたノツク強度の累積頻度
分布を示す図である。
１…機関、５…燃料噴射弁、６…点火コイル、
９…コントロールユニツト、１０…エアフローメ
ータ、１１…クランク角センサ、１２…筒内圧セ
ンサ。
Figure 1 is a functional block diagram showing the configuration of the present invention.
Fig. 2 is a system diagram showing an embodiment of the present invention, Fig. 3 is a flowchart of ignition timing control, Fig. 4 is a diagram showing a slice level map for knocking judgment, and Fig. 5 is a diagram showing knocking depending on the load. It is a figure which shows the cumulative frequency distribution of intensity|strength. 1... Engine, 5... Fuel injection valve, 6... Ignition coil,
9... Control unit, 10... Air flow meter, 11... Crank angle sensor, 12... Cylinder pressure sensor.
Claims (1)
ング強度検出手段と、検出されたノツキングの強
度をスライスレベルと比較してノツキングの有無
を判定するノツキング手段と、判定結果に基づい
て点火時期を制御する点火時期制御手段とを備え
る内燃機関の点火時期制御装置において、機関回
転数と機関負荷とに応じて前記スライスレベルを
設定するスライスレベル設定手段を設けたことを
特徴とする内燃機関の点火時期制御装置。 knocking intensity detection means for detecting the intensity of knocking in an internal combustion engine; knocking means for determining the presence or absence of knocking by comparing the detected knocking intensity with a slice level; and ignition timing for controlling the ignition timing based on the determination result. 1. An ignition timing control device for an internal combustion engine comprising a control means, further comprising a slice level setting means for setting the slice level according to engine speed and engine load.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987161317U JPH0166475U (en) | 1987-10-23 | 1987-10-23 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987161317U JPH0166475U (en) | 1987-10-23 | 1987-10-23 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0166475U true JPH0166475U (en) | 1989-04-27 |
Family
ID=31444142
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1987161317U Pending JPH0166475U (en) | 1987-10-23 | 1987-10-23 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0166475U (en) |
-
1987
- 1987-10-23 JP JP1987161317U patent/JPH0166475U/ja active Pending