JPH0414744U

JPH0414744U -

Info

Publication number: JPH0414744U
Application number: JP5432090U
Authority: JP
Priority date: 1990-05-24
Filing date: 1990-05-24
Publication date: 1992-02-06

Description

[Brief explanation of the drawing]

第１図はこの考案の基本的構成を示す図、第２
図〜第９図はこの考案を具体化した一実施例を示
す図であつて、第２図はスワールコントロールバ
ルブ付内燃機関の制御装置を適用したガソリンエ
ンジンシステムの概略構成を示す図、第３図はそ
の制御装置の電気的構成を示すブロツク図、第４
図はスワールコントロールバルブが閉じた状態を
説明する説明図、第５図はスワールコントロール
バルブが開いた状態を説明する断面図、第６図は
エンジン回転数と吸気圧との関係におけるスワー
ルコントロールバルブの開閉領域を説明するマツ
プを示す図、第７図はスワール圧力に対する補正
係数を予め定めたマツプを示す図、第８図は同じ
くスワール圧力に対する補正量を予め定めたマツ
プを示す図、第９図はエンジンの制御量に関する
補正制御を説明するフローチヤートである。図中、Ｍ１は内燃機関、Ｍ２は吸気ポート、Ｍ
３はスワールコントロールバルブ、Ｍ４はバルブ
駆動手段、Ｍ５は機関制御手段、Ｍ６は運転状態
検出手段、Ｍ７はバルブ制御手段、Ｍ８は制御量
演算手段、Ｍ９はスワール強度検出手段、Ｍ１０
は制御量補正手段、１は内燃機関としてのエンジ
ン、４は吸気ポート、５はインジエクタ、１６は
点火プラグ、１７はデイストリビユータ、１８は
イグナイタ（５，１６〜１８は機関制御手段を構
成している）、１０はＳＣＶ、１１はＳＣＡ、１
２はＶＳＶ（１１，１２等はバルブ駆動手段を構
成している）、２４はスワール強度検出手段とし
てスワール圧センサ、２１は吸気温センサ、２３
は吸気圧センサ、２５は酸素センサ、２６は水温
センサ、２７は回転数センサ、２８は気筒判別セ
ンサ、２９は車速センサ（２１，２３，２５〜２
９は運転状態検出手段を構成している）、３１は
バルブ制御手段、制御量演算手段及び制御量補正
手段を構成するＥＣＵである。 Figure 1 shows the basic configuration of this invention, Figure 2
9 to 9 are diagrams showing an embodiment embodying this invention, in which FIG. 2 is a diagram showing a schematic configuration of a gasoline engine system to which a control device for an internal combustion engine with a swirl control valve is applied, and FIG. The figure is a block diagram showing the electrical configuration of the control device.
The figure is an explanatory diagram explaining the state in which the swirl control valve is closed, Figure 5 is a cross-sectional view explaining the state in which the swirl control valve is open, and Figure 6 is an illustration of the swirl control valve in relation to the engine speed and intake pressure. FIG. 7 is a map showing a predetermined correction coefficient for swirl pressure; FIG. 8 is a map showing a predetermined correction amount for swirl pressure; FIG. 9 is a flowchart illustrating correction control regarding engine control variables. In the figure, M1 is an internal combustion engine, M2 is an intake port, and M
3 is a swirl control valve, M4 is a valve drive means, M5 is an engine control means, M6 is an operating state detection means, M7 is a valve control means, M8 is a control amount calculation means, M9 is a swirl intensity detection means, M10
1 is an internal combustion engine; 4 is an intake port; 5 is an injector; 16 is a spark plug; 17 is a distributor; and 18 is an igniter (5, 16 to 18 constitute engine control means). ), 10 is SCV, 11 is SCA, 1
2 is a VSV (11, 12, etc. constitute a valve drive means); 24 is a swirl pressure sensor as a swirl intensity detection means; 21 is an intake air temperature sensor; 23
is an intake pressure sensor, 25 is an oxygen sensor, 26 is a water temperature sensor, 27 is a rotation speed sensor, 28 is a cylinder discrimination sensor, 29 is a vehicle speed sensor (21, 23, 25-2
Reference numeral 9 constitutes an operating state detection means), and 31 an ECU which constitutes a valve control means, a controlled variable calculating means, and a controlled variable correcting means.

Claims

[Claims for Utility Model Registration] A swirl control valve that opens and closes to cause an intake port of an internal combustion engine to function as a swirl port, a valve driving means that opens and closes the swirl control valve, and an engine control that controls the internal combustion engine. means, operating state detection means for detecting the operating state of the internal combustion engine; valve control means for controlling the valve driving means based on the detected value of the operating state detection; and based on the detected value of the operating state detection means. A control device for an internal combustion engine with a swirl control valve, comprising: a control amount calculation means for calculating a control amount in the engine control means, comprising: a swirl intensity detection means for detecting a swirl intensity on the downstream side of the swirl control valve; The invention is characterized by comprising a control utilization correction means for correcting the control amount in the control amount calculation means based on the detection value of the swirl intensity detection means when the swirl control valve is in a closed state under the control of the valve control means. Internal combustion engine control device with swirl control valve.