JPS58193053U - Ignition system for internal combustion engines - Google Patents
Ignition system for internal combustion enginesInfo
- Publication number
- JPS58193053U JPS58193053U JP9096182U JP9096182U JPS58193053U JP S58193053 U JPS58193053 U JP S58193053U JP 9096182 U JP9096182 U JP 9096182U JP 9096182 U JP9096182 U JP 9096182U JP S58193053 U JPS58193053 U JP S58193053U
- Authority
- JP
- Japan
- Prior art keywords
- ignition
- thyristor
- circuit
- signal
- coil
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
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
第１図は本考案の実施例を示す接続図、第２図Ａ乃至Ｅ
及び第３図Ａ乃至Ｅはそれぞれ制御回転速度未満の回転
領域及び制御回転速度以上の回転領域における第１図の
各部の電圧波形を示す線図である。
１・・・・・・点火コイル、３・・・・・・点火制御回
路、４・・・・・・エキサイタコイル、５・・・・・・
過回転防止回路。
５０１５０２１Ｅ
（
００
３Fig. 1 is a connection diagram showing an embodiment of the present invention, Fig. 2 A to E
3A to 3E are diagrams showing voltage waveforms at various parts in FIG. 1 in a rotation range below the control rotation speed and a rotation range above the control rotation speed, respectively. 1... Ignition coil, 3... Ignition control circuit, 4... Exciter coil, 5...
Overspeed prevention circuit. 5015021E (00 3
Claims (1)
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次コイルを通して放電させる放電制御用サ
イリスクと機関の点火位置で前記サイリスタに点弧信号
を与える信号回路とを備えた点火制御回路と、機関によ
り駆動され名磁石式交流発電機内に配置されて一方の半
サイクルの出力で前記コンデンサに蓄積する点火エネル
ギを供給するエキサイタコイルと、機関の回転速度が設
定値に達したときに前記点火制御回路による点火動作を
阻止して機関の過回転を防止する過° 回転防止回路と
を具備してなる内燃機関用点火装置において、前記過回
転防止回路は、前記点火エネルギ蓄積用コンデンサの充
電電流をオンオフし得るように前記エキサイタコイルに
対して直列に接続された過回転防止用サイリスタと、前
記エキサイタコイルの前記一方の半サイクルの出力で前
記過回転防止用サイリスタに点弧信号を与える回路と、
前記エキサイタコイルの他方の半サイクルの出力で略定
電圧に充電される制御回転速度設定 ゛用コンデンサ
と、前記制御回転速度設定用コンデンサを一定の時定数
で放電させる放電回路と、前記過回転防止用サイリスタ
への点弧信号を側路し得るように設けられた点弧信号側
路用サイリスタ左、前記制御回転速度設定用コンデンサ
の端子電圧が設定値以上ある期間に前記エキサイタコイ
ルの前記一方の半サイクルの出力が立上ったときに前記
点弧信号側路用サイリスタに点弧信号を供給 ゛し
て該点弧信号側路用サイリスタを導通させるサイリスタ
制御回路とを具備したことを特徴とする内燃機関用点火
装置。A discharge control thyristor that discharges the electric charge of the capacitor through the primary coil of the ignition coil when electrically connected to the ignition energy storage capacitor provided on the primary side of the ignition coil, and ignites the thyristor at the ignition position of the engine. an ignition control circuit comprising a signal circuit for providing a signal; an exciter coil driven by the engine and disposed in a magnetic alternator to provide ignition energy stored in the capacitor at the output of one half cycle; an ignition device for an internal combustion engine, comprising: an over-rotation prevention circuit that prevents over-rotation of the engine by blocking ignition operation by the ignition control circuit when the rotation speed of the engine reaches a set value; The prevention circuit includes an overspeed prevention thyristor connected in series with the exciter coil so as to turn on and off the charging current of the ignition energy storage capacitor, and an overspeed prevention thyristor connected in series with the exciter coil to turn on and off the charging current of the ignition energy storage capacitor, and a A circuit that provides an ignition signal to a thyristor for over-rotation prevention,
a control rotation speed setting capacitor that is charged to a substantially constant voltage by the output of the other half cycle of the exciter coil; a discharging circuit that discharges the control rotation speed setting capacitor at a constant time constant; The ignition signal bypass thyristor left is provided so that the ignition signal can be bypassed to the exciter coil. and a thyristor control circuit that supplies an ignition signal to the ignition signal bypass thyristor and makes the ignition signal bypass thyristor conductive when a half-cycle output rises. Ignition system for internal combustion engines.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9096182U JPS58193053U (en) | 1982-06-18 | 1982-06-18 | Ignition system for internal combustion engines |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9096182U JPS58193053U (en) | 1982-06-18 | 1982-06-18 | Ignition system for internal combustion engines |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS58193053U true JPS58193053U (en) | 1983-12-22 |
| JPS6141985Y2 JPS6141985Y2 (en) | 1986-11-28 |
Family
ID=30099397
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9096182U Granted JPS58193053U (en) | 1982-06-18 | 1982-06-18 | Ignition system for internal combustion engines |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS58193053U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62147051A (en) * | 1985-12-20 | 1987-07-01 | Kokusan Denki Co Ltd | Ignition device for internal combustion engine |
-
1982
- 1982-06-18 JP JP9096182U patent/JPS58193053U/en active Granted
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62147051A (en) * | 1985-12-20 | 1987-07-01 | Kokusan Denki Co Ltd | Ignition device for internal combustion engine |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6141985Y2 (en) | 1986-11-28 |
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