JPS6038171U

JPS6038171U - Ignition system for internal combustion engines

Info

Publication number: JPS6038171U
Application number: JP13047983U
Authority: JP
Inventors: 昭夫河合; 曽禰　雅純
Original assignee: 日産自動車株式会社; 株式会社日立製作所
Priority date: 1983-08-25
Filing date: 1983-08-25
Publication date: 1985-03-16

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) [Abstract] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

[Brief explanation of the drawing]

第１図は、ＤＣ−ＤＣコンバータで付勢する従来の点火
装置の構成例を示す回路図、第２図は第１図のＤＣ−Ｄ
Ｃコンバータの基本的な構成例を示す回路図、第３図は
本考案内燃機関用点火装置の構成例を示す回路図、第４
図は第３図のＤＣ−ＤＣコンバータの基本的な構成例を
示す回路図、第５図は第３図の回路各部の信号波形例を
示すタイミングチャートである。１・・・バッテリ、２，２２ａ〜２２ｄ・・・点火コイ
ル、３・・・点火信号発生手段、４・・・フルトラ式点
火装置、５．２４ａ、２４ｂ・・・ＤＣ−ＤＣ−１ンバ
ータ、６ａ〜６ｄ・・・点火プラグ、７・・・ディスト
リビュータ、８ａ〜８ｄ・・・ハイテンションケーブル
、９・・・コンバータトランス帰還コイル、１０，１１
・・・パワートランジスタ、１２・・・コンバータトラ
ンス１次コイル、１３・・・コンバータトランス２次コ
イル、１４・・・整流平滑回路、２３ａ〜２３ｄ・・・
スイツチングトランジースタ、２５・・・リングカウン
タ、２６ａ〜２６ｄ・・・アンドゲート、２７ａｃ〜２
７　ｂ　ｄ、・・・オアゲート、３１・・・ＤＣ−ＤＣ
コンバータ動作制御回路、３２．３３・・・トランジス
タ。FIG. 1 is a circuit diagram showing an example of the configuration of a conventional ignition device energized by a DC-DC converter, and FIG.
FIG. 3 is a circuit diagram showing a basic configuration example of a C converter; FIG. 3 is a circuit diagram showing a configuration example of the ignition system for an internal combustion engine of the present invention;
3 is a circuit diagram showing a basic configuration example of the DC-DC converter shown in FIG. 3, and FIG. 5 is a timing chart showing an example of signal waveforms of each part of the circuit shown in FIG. 3. DESCRIPTION OF SYMBOLS 1...Battery, 2,22a-22d...Ignition coil, 3...Ignition signal generating means, 4...Full-torque ignition device, 5.24a, 24b...DC-DC-1 inverter, 6a to 6d... Spark plug, 7... Distributor, 8a to 8d... High tension cable, 9... Converter transformer feedback coil, 10, 11
... Power transistor, 12... Converter transformer primary coil, 13... Converter transformer secondary coil, 14... Rectifier and smoothing circuit, 23a to 23d...
Switching transistor, 25...Ring counter, 26a-26d...AND gate, 27ac-2
7 b d, ... or gate, 31 ... DC-DC
Converter operation control circuit, 32.33...transistor.

Claims

[Scope of utility model registration request]

An ignition system in which battery voltage is boosted to a high voltage through an ignition coil to start discharging to a spark plug, and then a high voltage generated by a DC-DC converter is injected into the spark plug to extend the discharge time. In the apparatus, the ignition coil is provided for each cylinder, and the D
An ignition system for an internal combustion engine, characterized in that a C-DCC set is provided, and the corresponding DC-DCC set is commonly connected to one end of a secondary winding of the ignition coil.