JPS60151284U

JPS60151284U - Ignition system for internal combustion engines

Info

Publication number: JPS60151284U
Application number: JP3784084U
Authority: JP
Inventors: 達男小林
Original assignee: 国産電機株式会社
Priority date: 1984-03-16
Filing date: 1984-03-16
Publication date: 1985-10-08
Also published as: JPH0139101Y2

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

【図面の簡単な説明】[Brief explanation of drawings]

第１図はコンデンサ放電式点火装置の回路構成例を示し
た接続図、第２図は従来の点火装置で用いられていた磁
石発電機の概略正面図、第３図は第１図の装置に第２図
の磁石発電機を用いた場合の各部の波形図、第４図は本
考案の一実施例で用いる磁石回転子の斜視図、第５図は
第４図の回転子に組合される固定子の鉄心を示した斜視
図、第６図は本考案の実施例で得られる信号電圧とエキ
サイタコイル電圧の波形を示す線図である。１・・・エキサイタコイル、３・・・コンデンサ、４・
・・点火コイル、５・・・点火プラグ、６・・・サイリ
スタ、１０・・・フライホイール磁石回転子、１１・・
・固定子、１２・・・信号コイル、１７・・・固定子の
主鉄心、２１・・・信号用鉄心、Ｐ・・・回転子磁極の
磁極面の自主鉄心の磁極部のみが対向する領域、Ｑ・・
・信号用鉄心の磁極部が対向する領域。Figure 1 is a connection diagram showing an example of the circuit configuration of a capacitor discharge type ignition system, Figure 2 is a schematic front view of a magnet generator used in a conventional ignition system, and Figure 3 is a connection diagram showing an example of the circuit configuration of a capacitor discharge type ignition system. Fig. 2 is a waveform diagram of each part when using the magnet generator, Fig. 4 is a perspective view of a magnet rotor used in an embodiment of the present invention, and Fig. 5 is a combination with the rotor shown in Fig. 4. FIG. 6 is a perspective view showing the iron core of the stator, and a diagram showing the waveforms of the signal voltage and exciter coil voltage obtained in the embodiment of the present invention. 1... Exciter coil, 3... Capacitor, 4...
...Ignition coil, 5...Spark plug, 6...Thyristor, 10...Flywheel magnet rotor, 11...
・Stator, 12...Signal coil, 17...Stator main core, 21...Signal core, P...A region where only the magnetic pole portions of the independent core of the magnetic pole face of the rotor pole face each other. , Q...
・A region where the magnetic pole parts of the signal core face each other.

Claims

【実用新案登録請求の範囲】[Scope of utility model registration request]

内燃機関により駆動されるフライホイールの内周に永久
磁石を取付けてなるフライホイール磁石回転子と、主鉄
心と信号用鉄心とを有して該主鉄心及び信号用鉄心にそ
れぞれエキサイタコイル及び信号コイルが巻回された固
定子とからなる磁石発電機と、点火コイルと、前記エキ
サイタコイルの出力により充電されるコンデンサと、導
通した際に前記コンデンサの電荷を前記点火コイルの１
次コイルに放電させるように設けられ前ｍｌ信号コイル
の出力によりトリガされて導通する放電制御用サイリス
タとを備えた内燃機関用点火装置において、前記信号用
鉄心の磁極部は前記主鉄心の磁極部より短い軸線方向寸
法を有し、前記磁石回転子の磁石の磁極面の内前記信号
用鉄心の磁極部が対向する領域は前記主鉄心の磁極部の
みが対向する他の領域より大きな極弧角を有しているこ
とを特徴とする内燃機関用点火装置。A flywheel magnet rotor comprising a flywheel driven by an internal combustion engine with permanent magnets attached to the inner periphery, a main iron core and a signal iron core, and an exciter coil and a signal coil in the main iron core and the signal iron core, respectively. a magnet generator consisting of a stator wound with a stator, an ignition coil, and a capacitor charged by the output of the exciter coil;
In the ignition device for an internal combustion engine, the ignition device includes a discharge control thyristor that is provided to cause a discharge to the next coil and conducts when triggered by the output of the front ml signal coil, wherein the magnetic pole part of the signal iron core is the magnetic pole part of the main iron core. The region of the magnetic pole surface of the magnet of the magnet rotor, where the magnetic pole portion of the signal core faces, has a shorter axial dimension, and has a larger polar arc angle than the other region where only the magnetic pole portion of the main core faces. An ignition device for an internal combustion engine, comprising: