JPS59141171U

JPS59141171U - Ignition timing and fuel injection amount control device for internal combustion engines

Info

Publication number: JPS59141171U
Application number: JP3489183U
Authority: JP
Inventors: 孝夫菰田
Original assignee: トヨタ自動車株式会社
Priority date: 1983-03-12
Filing date: 1983-03-12
Publication date: 1984-09-20

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

[Brief explanation of the drawing]

第１図は本考案の構成を説明するための全体ブロック図
、第２図は本考案に係る内燃機関の点火時期および燃料
噴射量制御装置の一実施例を示す全体概要図、第３図は
第２図の制御回路１０の詳細なブロック回路図、第４図
、第５図は第３図の制御回路の動作を説明するためのフ
ローチャート、第６図は第５図のステップ５０９に用い
られる補正係数にの特性図、第７図は第５図のステップ
５１０に用いられる燃料増量Ｆの特性図である。１・・・機関本体、３・・・エアフローメータ、５・・
・排気温センサ、６・・・ノックセンサ、７・・・ディ
ストリビュータ、８．９・・・回転角センサ、１０・・
・制御回路、１２・・・点火プラグ、１３・・・燃料噴
射弁。FIG. 1 is an overall block diagram for explaining the configuration of the present invention, FIG. 2 is an overall schematic diagram showing an embodiment of the ignition timing and fuel injection amount control device for an internal combustion engine according to the present invention, and FIG. 3 is an overall block diagram for explaining the configuration of the present invention. FIG. 2 is a detailed block circuit diagram of the control circuit 10, FIGS. 4 and 5 are flowcharts for explaining the operation of the control circuit in FIG. 3, and FIG. 6 is used for step 509 in FIG. A characteristic diagram of the correction coefficient, FIG. 7, is a characteristic diagram of the fuel increase F used in step 510 of FIG. 1... Engine body, 3... Air flow meter, 5...
・Exhaust temperature sensor, 6...knock sensor, 7...distributor, 8.9...rotation angle sensor, 10...
- Control circuit, 12... Spark plug, 13... Fuel injection valve.

Claims

[Claims for Utility Model Registration] 1. Basic advance value calculation means for calculating a basic value of the ignition timing of the engine according to predetermined operating state parameters of the internal combustion engine, and knocking detection means for detecting the knocking state of the engine. , a retard value calculation means for calculating a retard value of the ignition timing of the engine according to the output of the knocking detection means, and an ignition controller that corrects the ignition timing by subtracting the retard value from the basic value of the ignition timing. timing correction means, ignition timing control means for controlling the ignition timing of the engine based on the corrected ignition timing, and basic injection amount calculation for calculating the basic fuel injection amount for the engine according to the predetermined operating state parameters. means, injection amount calculation means for calculating an increase in fuel injection amount according to the retard value and the exhaust temperature of the engine, and an injection amount for correcting the fuel injection amount by adding the fuel injection amount increase to the basic fuel injection amount. An ignition timing and fuel injection amount control device for an internal combustion engine, comprising a correction means and an injection amount side control means for controlling the fuel injection amount of the engine based on the corrected fuel injection amount. 2. The injection increase calculation means calculates a first calculation means that calculates a correction coefficient that increases in accordance with the exhaust gas temperature when the exhaust gas temperature is equal to or higher than a predetermined value; 2. The ignition timing and fuel injection amount control device for an internal combustion engine according to claim 1, further comprising a second calculation means for calculating the fuel injection amount increase correspondingly. 3. The ignition timing and fuel injection amount control device for an internal combustion engine according to claim 2, wherein an upper limit value is set for the correction coefficient calculated by the first calculation method. 4. The ignition timing and fuel injection amount control device for an internal combustion engine according to claim 2, wherein an upper limit value is set for the fuel injection amount increase calculated by the second calculation means.