JPS63198475U

JPS63198475U -

Info

Publication number: JPS63198475U
Application number: JP9118687U
Authority: JP
Priority date: 1987-06-12
Filing date: 1987-06-12
Publication date: 1988-12-21

Description

[Brief explanation of the drawing]

第１図は本考案の電子点火時期制御装置の基本
構成を例示するブロツク図、第２図は本考案一実
施例の電子点火時期制御装置のエンジン周辺部を
示す概略図、第３図はその電子制御装置３０を示
すブロツク図、第４図は「点火時期演算ルーチン
」の処理を示すフローチヤート、第５図はその点
火時期もの一例を示すグラフ、第６図は本考案第
２実施例の電子点火時期制御装置のエンジン周辺
部を示す概略図、第７図はその電子制御装置３０
を示すブロツク図、第８図はその「点火時期演算
ルーチン」の処理を示すフローチヤート、第９図
は本考案第３実施例の電子点火時期制御装置に用
いられる「点火時期演算ルーチン」の処理を示す
フローチヤート、である。１……エンジン、３……点火プラグ、６……エ
アフロメータ、８……ＩＳＣＶ、１２……スロツ
トルポジシヨンセンサ、１４……イグナイタ、１
６……回転速度センサ、２０……点火時期演算切
替装置、３０……電子制御装置（ＥＣＵ）。 FIG. 1 is a block diagram illustrating the basic configuration of the electronic ignition timing control device of the present invention, FIG. 2 is a schematic diagram showing the engine surroundings of the electronic ignition timing control device of one embodiment of the present invention, and FIG. 4 is a flowchart showing the processing of the "ignition timing calculation routine", FIG. 5 is a graph showing an example of the ignition timing, and FIG. 6 is a diagram showing the ignition timing calculation routine of the second embodiment of the present invention. A schematic diagram showing the engine peripheral part of the electronic ignition timing control device, FIG. 7 is the electronic control device 30
FIG. 8 is a flowchart showing the processing of the "ignition timing calculation routine", and FIG. 9 is the processing of the "ignition timing calculation routine" used in the electronic ignition timing control device of the third embodiment of the present invention. This is a flowchart showing the following. 1... Engine, 3... Spark plug, 6... Air flow meter, 8... ISCV, 12... Throttle position sensor, 14... Igniter, 1
6...Rotational speed sensor, 20...Ignition timing calculation switching device, 30...Electronic control unit (ECU).

Claims

[Scope of Claim for Utility Model Registration] Engine temperature detection means for detecting the engine temperature of an internal combustion engine; rotation speed detection means for detecting the rotation speed of the internal combustion engine; load detection means for detecting the load of the internal combustion engine; calculation means for calculating ignition timing of the internal combustion engine based on the rotational speed and load; idle detection means for detecting an idling operating state; , using the basic ignition timing or a predetermined fixed ignition timing according to the rotational speed of the internal combustion engine detected by the rotational speed detection means, and when the idle detection means detects that it is not in the idle state, the ignition is controlled by the calculation means. In the electronic ignition timing control device, the electronic ignition timing control device is equipped with: an ignition timing setting means that uses timing; Electronic ignition timing control characterized in that when the engine temperature detected by the load detection means is equal to or higher than a predetermined value, and when the load detected by the load detection means is equal to or higher than a predetermined value, the ignition timing determined by the calculation means is used as the ignition timing. Device.