JPS6123474U

JPS6123474U - Ignition system for internal combustion engines

Info

Publication number: JPS6123474U
Application number: JP10752984U
Authority: JP
Inventors: 秀樹湯川
Original assignee: 国産電機株式会社
Priority date: 1984-07-18
Filing date: 1984-07-18
Publication date: 1986-02-12
Also published as: JPH0335881Y2

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図は本考案の一実施例を示した回路図、第２図は第
１図の実施例の動作を説明する為の信号波形図、第３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４図乃至第６図はそれぞれ本考案で用いるトランジス
タスイッチのトリガ回路の種々の変形例を示した回路図
、第７図は本考案で採用することができる電流遮断式の
点火回路の構成例を示した回路図である。１・・・点火コイル、２・・・点火プラグ、３・・・点
火エネルギー蓄積用コンデンサ、５・・・エキサイタコ
イル、７・・・サイリスタ（１次電流制御用半導体スイ
′ツチ）、１０・・・ツエナーダイオード、１１・・・
ダイオード、１２・・・信号コイル、１３・・・トラン
ジスタスイッチ、１４・・・トランジスタ、１５．１８
・・・抵抗、１６・・・トランジスタスイッチ制御用コ
ンデンサ、１７・・・ダイオード、２１・・・トランジ
スタ。Fig. 1 is a circuit diagram showing an embodiment of the present invention, Fig. 2 is a signal waveform diagram for explaining the operation of the embodiment of Fig. 1, and Fig. 3 is obtained by the embodiment of Fig. 1. Diagram showing lead angle characteristics,
Figures 4 to 6 are circuit diagrams showing various modifications of the transistor switch trigger circuit used in the present invention, and Figure 7 is a configuration example of a current interrupt type ignition circuit that can be adopted in the present invention. FIG. DESCRIPTION OF SYMBOLS 1... Ignition coil, 2... Spark plug, 3... Capacitor for ignition energy storage, 5... Exciter coil, 7... Thyristor (semiconductor switch for primary current control), 10. ... Zener diode, 11...
Diode, 12...Signal coil, 13...Transistor switch, 14...Transistor, 15.18
...Resistor, 16...Transistor switch control capacitor, 17...Diode, 21...Transistor.

Claims

[Scope of utility model registration request]

an ignition coil, a primary current control semiconductor switch that controls the primary current of the ignition coil/reel to suddenly change at the ignition timing of the internal combustion engine when triggered, and a signal voltage that is synchronized with the rotation of the internal combustion engine. 1 at the output of the signal coil that induces
An ignition device for an internal combustion engine comprising a signal circuit that supplies a trigger signal to a trigger signal input terminal of a semiconductor switch for primary current control, wherein the signal circuit includes a signal coil and a signal circuit that supplies a trigger signal to a trigger signal input terminal of a semiconductor switch for primary current control. a Zener diode that is provided between the trigger signal input terminal and becomes conductive when the output voltage of the signal coil reaches a predetermined value to supply a trigger signal from the signal coil to the primary current control semiconductor switch; and a capacitor that is charged to one polarity by the output of the signal coil via a diode and a current limiting element, and a capacitor that is connected in parallel to the Zener diode and becomes conductive when charging of the capacitor is completed. An ignition device for an internal combustion engine, comprising a transistor switch that supplies a trigger signal to a semiconductor switch for primary current control.