JPH0332148U

JPH0332148U -

Info

Publication number: JPH0332148U
Application number: JP9302989U
Authority: JP
Priority date: 1989-08-08
Filing date: 1989-08-08
Publication date: 1991-03-28
Anticipated expiration: 2004-08-08
Also published as: JP2563433Y2

Description

[Brief explanation of the drawing]

第１図は本考案のクレーム対応図、第２図は本
考案に係る車載内燃機関のスロツトル開度制御装
置を全体的に示す概略図、第３図は第１図中の制
御ユニツトの詳細を示すブロツク図、第４図は本
考案に係る装置の動作を示すフロー・チヤート、
第５図は待機制御周期特性を示す説明図、第６図
は第４図フロー・チヤートに示される制御の前提
を示す説明図、第７図はそのスロツトル開度特性
を示す説明図及び第８図は待機制御周期の別の特
性を示す第５図と同様な説明図である。１…機関負荷状態検出手段（スロツトル開度セ
ンサ５２、吸気センサ５６）、２…アクセルペダ
ル踏み込み量検出手段（アクセル開度センサ５４
）、３…機関回転数検出手段（クランク角センサ
５８）、４…目標機関負荷設定手段（マイクロ・
コンピユータ７２）、５…アクチユエータ駆動手
段（マイクロ・コンピユータ７２）、６…アクチ
ユエータ（スロツトル弁１２、パルスモータ３６
）、１０…吸気管、１２…スロツトル弁、１４…
スロツトル弁軸、１６…スロツトルドラム、１６
ａ，１６ｂ…アーム、１８…ワイヤ、２０…リン
ク機構、２２…アクセルペダル、２４…スロツト
ル直結レバー、２４ａ，２４ｃ…アーム、２４ｂ
，２４ｄ…バー、２４ｅ…スプール、２６…ロス
トモーシヨンスプリング、２８…リターンスプリ
ング、３０…スロツトル閉鎖レバー、３０ａ，３
０ｂ…アーム、３０ｃ…バー、３４…連結ロツド
、３６…パルスモータ、４０…モータレバー、４
２…ストツパ、５０…制御ユニツト、５２…スロ
ツトル開度センサ、５４…アクセル開度センサ、
５４ａ…スプール、５４ｂ…ポテンシヨメータ、
５６…吸気圧センサ、５８…クランク角センサ、
７２…マイクロ・コンピユータ、７８…パルスモ
ータ制御回路。 Fig. 1 is a diagram corresponding to the claims of the present invention, Fig. 2 is a schematic diagram showing the overall throttle opening control device for an in-vehicle internal combustion engine according to the present invention, and Fig. 3 shows details of the control unit in Fig. 1. FIG. 4 is a flow chart showing the operation of the device according to the present invention.
FIG. 5 is an explanatory diagram showing the standby control cycle characteristics, FIG. 6 is an explanatory diagram showing the premise of the control shown in the flow chart of FIG. 4, FIG. 7 is an explanatory diagram showing the throttle opening characteristic, and FIG. This figure is an explanatory diagram similar to FIG. 5 showing another characteristic of the standby control period. 1... Engine load state detection means (throttle opening sensor 52, intake sensor 56), 2... Accelerator pedal depression amount detection means (accelerator opening sensor 54)
), 3... Engine speed detection means (crank angle sensor 58), 4... Target engine load setting means (micro・
computer 72), 5... actuator driving means (micro computer 72), 6... actuator (throttle valve 12, pulse motor 36)
), 10... Intake pipe, 12... Throttle valve, 14...
Throttle valve shaft, 16... Throttle drum, 16
a, 16b...Arm, 18...Wire, 20...Link mechanism, 22...Accelerator pedal, 24...Throttle direct connection lever, 24a, 24c...Arm, 24b
, 24d... Bar, 24e... Spool, 26... Lost motion spring, 28... Return spring, 30... Throttle closing lever, 30a, 3
0b...Arm, 30c...Bar, 34...Connection rod, 36...Pulse motor, 40...Motor lever, 4
2... Stopper, 50... Control unit, 52... Throttle opening sensor, 54... Accelerator opening sensor,
54a... Spool, 54b... Potentiometer,
56...Intake pressure sensor, 58...Crank angle sensor,
72...Micro computer, 78...Pulse motor control circuit.

Claims

[Scope of Claim for Utility Model Registration] a. Engine load state detection means for detecting the load state of the engine; b. Accelerator pedal depression amount detection means for detecting the depression amount of the accelerator pedal provided on the floor of the driver's seat of the vehicle; c. Engine rotation. an engine rotation speed detection means provided near the engine rotation speed detecting means for detecting the rotation speed of the engine; a target engine load setting means for setting the target value to the target engine load setting means; An on-vehicle internal combustion engine throttle opening control device comprising: an actuator drive means for driving an actuator; and f an actuator that operates according to the output of the actuator drive means to adjust the engine load. 1. A throttle opening control device for an on-vehicle internal combustion engine, characterized in that the output of a detection means is inputted, and as the engine speed increases, a control period for driving the actuator is shortened.