JPS62171642U

JPS62171642U -

Info

Publication number: JPS62171642U
Application number: JP6149186U
Authority: JP
Priority date: 1986-04-22
Filing date: 1986-04-22
Publication date: 1987-10-30

Description

【図面の簡単な説明】[Brief explanation of the drawing]

第１図はこの考案に係る内燃機関の燃焼制御装
置の基本概念図、第２図〜第５図はこの考案の一
実施例を示す図であり、第２図はその全体構成を
示すブロツク図、第３図ａはそのシリンダ内圧セ
ンサの取付状態を示す図、第３図ｂはそのシリン
ダ内圧センサの断面図、第３図ｃはそのシリンダ
内圧センサの平面図、第４図および第５図は動作
を説明するための各タイミングチヤートである。１……シリンダ内圧センサ（圧力検出手段）、
３１……点火時期演算回路（点火時期設定手段）
、３４……ノツク検出手段、３５……運転状態検
出手段、３６……供給量演算回路（供給量演算手
段）、３７……燃料供給停止回路（遮断手段）、
３８ａ〜３８ｄ……燃量噴射弁（燃料供給手段）
。 Fig. 1 is a basic conceptual diagram of a combustion control device for an internal combustion engine according to this invention, Figs. 2 to 5 are diagrams showing an embodiment of this invention, and Fig. 2 is a block diagram showing its overall configuration. , FIG. 3a is a diagram showing the installed state of the cylinder internal pressure sensor, FIG. 3b is a sectional view of the cylinder internal pressure sensor, FIG. 3c is a plan view of the cylinder internal pressure sensor, and FIGS. 4 and 5. are timing charts for explaining the operation. 1... Cylinder internal pressure sensor (pressure detection means),
31...Ignition timing calculation circuit (ignition timing setting means)
, 34...knock detection means, 35...operating state detection means, 36...supply amount calculation circuit (supply amount calculation means), 37...fuel supply stop circuit (cutoff means),
38a to 38d...Fuel injection valve (fuel supply means)
.

Claims

【実用新案登録請求の範囲】 (a) エンジンの燃焼圧力を検出する圧力検出手
段と、 (b) エンジンの運転状態を検出する運転状態検
出手段と、 (c) 圧力検出手段の出力に基づいてエンジンに
発生するノツキングを検出するノツク検出手段と
、 (d) 運転状態に基づいて点火時期を設定すると
ともに、ノツキングを検出したとき該点火時期を
遅角側に補正して点火信号を出力する点火時期設
定手段と、 (e) 運転状態に基づいて燃料供給量を演算する
供給量演算手段と、 (f) ノツキングの発生により点火時期を限界遅
角値まで遅角させても、なおノツキングを検出し
たとき、燃料の供給を遮断する遮断手段と、 (g) 供給量演算手段の出力に基づいてエンジン
に燃料を供給し、遮断手段の出力に基づいて該供
給を停止する燃料供給手段と、 (h) 点火信号に基づいて混合気に点火する点火
手段と、を備えたことを特徴とする内燃機関の燃焼制御装
置。[Scope of Claim for Utility Model Registration] (a) Pressure detection means for detecting the combustion pressure of the engine; (b) Operating state detection means for detecting the operating state of the engine; (c) Based on the output of the pressure detection means. (d) a knock detection means for detecting knocking occurring in the engine; and (d) an ignition device that sets the ignition timing based on the operating condition, and when knocking is detected, corrects the ignition timing to the retarded side and outputs an ignition signal. timing setting means; (e) supply amount calculation means for calculating the fuel supply amount based on operating conditions; (f) even if the ignition timing is retarded to a limit retard value due to the occurrence of knocking, knocking is still detected. (g) fuel supply means that supplies fuel to the engine based on the output of the supply amount calculation means and stops the supply based on the output of the cutoff means; h) A combustion control device for an internal combustion engine, comprising: ignition means for igniting an air-fuel mixture based on an ignition signal;