JPS58191382U

JPS58191382U - Ignition system for internal combustion engines

Info

Publication number: JPS58191382U
Application number: JP8807982U
Authority: JP
Inventors: 仁藤　博康; 南条　広敏
Original assignee: 国産電機株式会社
Priority date: 1982-06-15
Filing date: 1982-06-15
Publication date: 1983-12-19
Also published as: JPS6143974Y2

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 drawings]

第１図は本考案の一実施例を示す接続図、第２図は第１
図の実施例で用いる発電機の概略構成図、第３図Ａ乃至
Ｆは第１図の各部の信号波形図、第４図は第１図の実施
例により得られる進角特性を示す線図、第５図は本考案
の他の実施例を示す接続図である。１・・・点火コイル、２・・・点火プラグ、３・・・電
流制御回路、４・・・主電流制御用トランジスタスイッ
チ回路、５・・・しゃ断制御回路、５０１・・・トラン
ジスタ（しゃ断制御用半導体スイッチ）、５０５・・・
トランジスタ、５０８・・・点火位置決定用コンデンサ
、５１０・・・トランジスタ、５１１・・・抵抗、６０
１・・・トランジスタ、６０２・・・ダイオード、６０
３・・・抵抗、６０４・・・可変抵抗器。Fig. 1 is a connection diagram showing one embodiment of the present invention, and Fig. 2 is a connection diagram showing an embodiment of the present invention.
A schematic configuration diagram of the generator used in the embodiment shown in the figure, Figures 3A to F are signal waveform diagrams of each part of Figure 1, and Figure 4 is a diagram showing the advance angle characteristics obtained by the embodiment of Figure 1. , FIG. 5 is a connection diagram showing another embodiment of the present invention. DESCRIPTION OF SYMBOLS 1... Ignition coil, 2... Spark plug, 3... Current control circuit, 4... Transistor switch circuit for main current control, 5... Cutoff control circuit, 501... Transistor (cutoff control semiconductor switch), 505...
Transistor, 508... Capacitor for ignition position determination, 510... Transistor, 511... Resistor, 60
1...Transistor, 602...Diode, 60
3...Resistor, 604...Variable resistor.

Claims

[Scope of utility model registration request]

An ignition power supply coil provided in a magnet generator, and a main current control transistor switch circuit connected in parallel to the ignition power supply coil and conductive when a base current is applied by the output of one half cycle of the ignition power supply coil. When a conduction signal is applied to the output of the one half cycle of the ignition power supply coil and the conduction occurs, the base current to the main current control transistor switch circuit is transferred from the main current side control transistor switch circuit to the main current side control transistor switch circuit. an ignition position determining capacitor charged by the output of the other half cycle of the ignition power supply coil;
a conduction signal bypass transistor switch provided so as to bypass a conduction signal to the cutoff control semiconductor switch from the semiconductor switch when the discharge current of the capacitor is conducted as a base current; In an ignition device for an internal combustion engine that obtains a high voltage for ignition by boosting a high voltage induced in the ignition power supply coil by cutting off a current control transistor switch circuit, from the collector side to the base side of the conductive signal bypass transistor switch. An ignition device for an internal combustion engine, characterized in that it is provided with a positive feedback circuit that applies positive feedback to the ignition device.