JPH01131844U - - Google Patents

Description

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

第１図は本考案を説明する構成図、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
実施例の制御フローチヤートを示す。 １……機関、２……吸気通路、３……スロツト
ル弁、４……スロツトル弁開度センサ、５……回
転数センサ、６……コントロールユニツト、７…
…燃料噴射弁、８……吸気温度センサ。 FIG. 1 is a block diagram illustrating the present invention, FIG. 2 is a system diagram showing an embodiment of the present invention, and FIG. 3 is a control flowchart of the same embodiment. DESCRIPTION OF SYMBOLS 1... Engine, 2... Intake passage, 3... Throttle valve, 4... Throttle valve opening sensor, 5... Rotation speed sensor, 6... Control unit, 7...
...Fuel injection valve, 8...Intake air temperature sensor.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 機関の吸気通路に介装されたスロツトル弁の上
流側に燃料噴射弁を配置した内燃機関の電子制御
燃料噴射装置であつて、前記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、機関回
転数を検出する機関回転数検出手段と、検出され
たスロツトル弁開度と機関回転数とに基づいて基
本燃料噴射量を設定する基本燃料噴射量設定手段
と、機関負荷を検出する機関負荷検出手段と、機
関吸気温度を検出する吸気温度検出手段と、検出
された機関回転数と機関負荷とに基づいて吸気温
度の検出値を補正する吸気温度補正手段と、補正
された吸気温度に基づいて吸気温度補正係数を設
定する吸気温度補正係数設定手段と、設定された
基本燃料噴射量及び吸気温度補正係数に基づいて
燃料噴射量を演算する燃料噴射量演算手段と、燃
料噴射量の演算値に応じて燃料噴射弁を駆動制御
する燃料噴射弁駆動制御手段とを備えたことを特
徴とする内燃機関の電子制御燃料噴射装置。 An electronically controlled fuel injection device for an internal combustion engine in which a fuel injection valve is disposed upstream of a throttle valve installed in an intake passage of the engine, and a throttle valve opening detection means for detecting the opening of the throttle valve; an engine speed detection means for detecting the engine speed; a basic fuel injection amount setting means for setting the basic fuel injection amount based on the detected throttle valve opening and the engine speed; and an engine load for detecting the engine load. a detection means, an intake air temperature detection means for detecting the engine intake air temperature, an intake air temperature correction means for correcting the detected value of the intake air temperature based on the detected engine speed and the engine load, and an intake air temperature correction means for correcting the detected value of the intake air temperature based on the corrected intake air temperature. an intake air temperature correction coefficient setting means for setting an intake air temperature correction coefficient, a fuel injection amount calculation means for calculating a fuel injection amount based on the set basic fuel injection amount and the intake air temperature correction coefficient, and a calculated value of the fuel injection amount. 1. An electronically controlled fuel injection device for an internal combustion engine, comprising: a fuel injection valve drive control means for driving and controlling a fuel injection valve according to the fuel injection valve.