JPH0176533U - - Google Patents

Description

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

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図は同上実施例における割込噴射制御を示すフ
ローチヤート、第４図は従来の問題点を説明する
ためのタイムチヤートである。 １……機関、６……スロツトル弁、７……燃料
噴射弁、８……コントロールユニツト、９……エ
アフローメータ、１０……クランク角センサ、１
１……スロツトルセンサ、１３……水温センサ。 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 showing interrupt injection control in the same embodiment, and FIG. 4 is a time chart for explaining the problems of the conventional system. DESCRIPTION OF SYMBOLS 1... Engine, 6... Throttle valve, 7... Fuel injection valve, 8... Control unit, 9... Air flow meter, 10... Crank angle sensor, 1
1...Throttle sensor, 13...Water temperature sensor.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 機関回転速度を検出する機関回転速度検出手段
を含む機関運転状態検出手段と、検出された機関
運転状態に基づいて燃料噴射量を設定する燃料噴
射量設定手段と、機関吸気通路に介装されるスロ
ツトル弁の開度を検出するスロツトル弁開度検出
手段と、該スロツトル弁開度検出手段により検出
されたスロツトル弁開度に基づいて前記スロツト
ル弁の開度変化率を検出する開度変化率検出手段
と、該開度変化率検出手段で検出したスロツトル
弁の開度変化率に基づいて機関の加速状態を判定
する加速状態判定手段と、該加速状態判定手段に
よる機関の加速状態判定時に少なくともスロツト
ル弁開度変化率に基づいて割込噴射量を設定する
割込噴射量設定手段と、設定された燃料噴射量を
機関に噴射供給する燃料噴射手段と、を含んで構
成された電子制御燃料噴射式内燃機関の割込噴射
制御装置において、加速状態においてスロツトル
弁開度が所定以上になつたとき割込噴射をキヤン
セルする割込噴射キヤンセル手段と、この割込噴
射をキヤンセルする前記スロツトル弁開度の所定
値を機関回転速度とスロツトル弁開度変化率とに
基づいて設定するキヤンセル開度設定手段と、を
設けたことを特徴とする電子制御燃料噴射式内燃
機関の割込噴射制御装置。 An engine operating state detecting means including an engine rotating speed detecting means for detecting an engine rotating speed, a fuel injection amount setting means for setting a fuel injection amount based on the detected engine operating state, and interposed in an engine intake passage. Throttle valve opening detection means for detecting the opening of the throttle valve; and opening change rate detection for detecting the rate of change in the opening of the throttle valve based on the throttle valve opening detected by the throttle valve opening detection means. means for determining the acceleration state of the engine based on the rate of change in opening of the throttle valve detected by the rate of change in opening of the throttle valve; An electronically controlled fuel injection system comprising: an interrupt injection amount setting means for setting an interrupt injection amount based on a rate of change in valve opening; and a fuel injection means for injecting and supplying the set fuel injection amount to an engine. In an interrupt injection control device for an internal combustion engine, an interrupt injection cancel means cancels interrupt injection when a throttle valve opening reaches a predetermined value or more in an acceleration state, and the throttle valve opening cancels the interrupt injection. 1. An interrupt injection control device for an electronically controlled fuel injection type internal combustion engine, comprising: cancel opening setting means for setting a predetermined value of , based on an engine rotational speed and a rate of change in throttle valve opening.