JPS615357U - Diesel engine fuel injection control device - Google Patents

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

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

第１図はこの考案のクレーム対応図である。 第９１ 第１図 ４−一一一 ９６叫辷気名３しり弁 ９７一一−一一
一一用１ ９８ ９５貞フ玉馬区中７ｌ未隨置 ２図はこの考案の実施例の機械的構成図、第３図、はそ
の燃料噴射ポンプの詳細断面図、第４図、第５図はその
補正制御系の動作内容を表す流れ図である。 第６図は前記動作内容に関連して吸気絞りゾーンを示す
ための説明図、第７図は同じく補正量の説明図である。 ９１・・・・二・回転速度検出手段、９２・・・・・・
負荷検出手段、９３・・・・・・燃料噴射噴射量制御手
段、９４・・・：・・燃料噴射噴射ポンプ、９５・・・
・・・負圧駆動装置、９６・・・・・・吸気絞り弁、９
７・・・・・・負荷変化速度演算手段、９８・・・・・
・位置検出手段、９９・・・・・・補正手段、７・・・
・・・燃料噴射ポンプ、９・・・・・・吸気絞り弁、１
０，１２・・・・・・負圧駆動装置、１１・・・・・・
ＥＧＲ制御弁、２０・・・・・・アクセル位置センサ、
２１・・・・・・回転センサ、２７・・・・・・制御装
置、８０・・・・・・位置センサ。 ９３９４ 噴射量 燃料 ！ｔ，ｌＩ＃ 噴射量 補正 ９９ −FIG. 1 is a diagram showing how this invention corresponds to claims. 91 Figure 1 4-111 96 Shouting name 3 Shiri valve 97 11-1111 use 1 98 95 Teifu Yuma Ward middle 7l unloaded 2 Figure is the machine of the embodiment of this invention FIG. 3 is a detailed sectional view of the fuel injection pump, and FIGS. 4 and 5 are flowcharts showing the operation contents of the correction control system. FIG. 6 is an explanatory diagram for showing the intake throttling zone in relation to the above-mentioned operation details, and FIG. 7 is an explanatory diagram of the correction amount. 91...2. Rotation speed detection means, 92...
Load detection means, 93...Fuel injection injection amount control means, 94...Fuel injection injection pump, 95...
... Negative pressure drive device, 96 ... Intake throttle valve, 9
7...Load change speed calculation means, 98...
・Position detection means, 99...Correction means, 7...
... Fuel injection pump, 9 ... Intake throttle valve, 1
0, 12... Negative pressure drive device, 11...
EGR control valve, 20...Accelerator position sensor,
21... Rotation sensor, 27... Control device, 80... Position sensor. 9394 Injection amount fuel! t, lI# Injection amount correction 99 -

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 機関回転速度と要求負荷を検出する手段と、前記検出検
果に基づいて目標燃料噴射量を設定及び指令する燃料噴
射量制御手段払前記指令に応動して燃料噴射量が可変制
御される燃料噴射ポンプと、機関運転状態に応じて吸気
絞り弁またはＥＧＲ制御弁を駆動する負圧駆動装置とを
備えたディーゼル機関において、前記要求負荷の変化速
度を演算する負荷変化速度演算手段と、前記負圧駆動装
置の加速時の目標位置への作動を検出する位置検出手段
と、前記負荷変化速度に基づいて加速状態を判定し、所
定の急加速時に前記負圧駆動装置が目標位置に達するま
でのあいだ燃料噴射量を減少補正する補正手段とを設け
たことを特徴とするディーゼル機関の燃料噴射制御装置
。Means for detecting engine speed and required load; Fuel injection amount control means for setting and commanding a target fuel injection amount based on the detected results; Fuel injection in which the fuel injection amount is variably controlled in response to the command. In a diesel engine equipped with a pump and a negative pressure drive device that drives an intake throttle valve or an EGR control valve according to an engine operating state, a load change rate calculation means for calculating a change rate of the required load, and the negative pressure a position detection means for detecting operation of the drive device toward a target position during acceleration; and a position detection means for determining an acceleration state based on the load change rate, and a period until the negative pressure drive device reaches the target position during predetermined sudden acceleration. 1. A fuel injection control device for a diesel engine, comprising: a correction means for reducing and correcting a fuel injection amount.