JPS5832175U - Ignition circuit for internal combustion engine - Google Patents
Ignition circuit for internal combustion engineInfo
- Publication number
- JPS5832175U JPS5832175U JP12523981U JP12523981U JPS5832175U JP S5832175 U JPS5832175 U JP S5832175U JP 12523981 U JP12523981 U JP 12523981U JP 12523981 U JP12523981 U JP 12523981U JP S5832175 U JPS5832175 U JP S5832175U
- Authority
- JP
- Japan
- Prior art keywords
- base
- circuit
- resistor
- main transistor
- emitter
- 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.)
- Pending
Links
Landscapes
- Ignition Installations For Internal Combustion Engines (AREA)
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
図面はこの考案の実施例を示ず回路図である。
Ｔ・・・イグニションコイル、Ｎ１・・・−次巻線、Ｎ
２・・・−次巻線、Ｑｌ・・・主トランジスタＮ、 Ｑ
２・・・制御トランジスタ、Ｄ・・・ダイオ−ド、Ｃ・
・・充放電用コンデンサ、Ｒ４・・・エミッタ抵抗、Ｒ
２・・・ベース抵抗、Ｒ３・・・第１制御用抵抗、Ｒ１
・・・第２制御用抵抗。The drawings do not show the embodiments of this invention, but are circuit diagrams. T...Ignition coil, N1...-Next winding, N
2...-secondary winding, Ql...main transistor N, Q
2... Control transistor, D... Diode, C...
...Charging and discharging capacitor, R4...Emitter resistance, R
2... Base resistance, R3... First control resistor, R1
...Second control resistor.
Claims (1)
イグニションコイルの二次巻線に点火プラグを接続し一
次巻線に流れる一次電流るトランジスタ回路によって遮
断することにより点火プラグに火花放電を生せしめるも
のにおいて、前記−次巻線の両端にはエミッタ抵抗Ｒ１
を介して主トランジスタＱ、のコレクタ・エミッタ回路
が接続され、主トランジスタＱ１のコレクタとベース間
にベース抵抗Ｒ２を介して充放電用コンデンサＣが接続
され、前記−次巻線とエミッタ抵抗Ｒ１との接続点、１
１と、前記コンデンサＣとベース抵抗Ｒ２との接続点Ｊ
２との間に前記接続点Ｊ１側にアノードを向けてタイオ
ードＤが接続され、ベース抵抗Ｒ２ト主トランジスタＱ
１のベースとの接続点Ｊ３と前記接続点Ｊ、との間には
主トランジスタＱ１のベース・エミッタ回路と同極性の
側路回路を構成するように制御トランジスタＱ２のコレ
クタ・エミッタ回路が接続され、制御トランジスタＱ２
のベースは第１制御用抵抗Ｒ３を介して主トランジスタ
Ｑ１のエミッタに接続されると共に第２制御用抵抗Ｒ＋
を介して主トランジスタＱ１のコ［／フタに接続されて
いることを特徴とする内燃機関用点火回路。A spark plug is connected to the secondary winding of a magneto ignition coil that rotates in response to the rotation of the internal combustion engine, and the primary current flowing through the primary winding is interrupted by a transistor circuit, causing a spark discharge at the spark plug. In the device, an emitter resistor R1 is installed at both ends of the negative winding.
The collector-emitter circuit of the main transistor Q is connected through the collector-emitter circuit of the main transistor Q1, and the charging/discharging capacitor C is connected between the collector and base of the main transistor Q1 through the base resistor R2, and the secondary winding and the emitter resistor R1 are connected to each other. connection point, 1
1 and the connection point J between the capacitor C and the base resistor R2
A diode D is connected between the base resistor R2 and the main transistor Q with its anode facing the connection point J1.
The collector-emitter circuit of the control transistor Q2 is connected between the connection point J3 with the base of the main transistor Q1 and the connection point J so as to constitute a bypass circuit having the same polarity as the base-emitter circuit of the main transistor Q1. , control transistor Q2
The base of is connected to the emitter of the main transistor Q1 via the first control resistor R3, and the base of the second control resistor R+
An ignition circuit for an internal combustion engine, characterized in that the ignition circuit is connected to a cover of a main transistor Q1 via a ignition circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12523981U JPS5832175U (en) | 1981-08-26 | 1981-08-26 | Ignition circuit for internal combustion engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12523981U JPS5832175U (en) | 1981-08-26 | 1981-08-26 | Ignition circuit for internal combustion engine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5832175U true JPS5832175U (en) | 1983-03-02 |
Family
ID=29919084
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12523981U Pending JPS5832175U (en) | 1981-08-26 | 1981-08-26 | Ignition circuit for internal combustion engine |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5832175U (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4964729A (en) * | 1972-08-29 | 1974-06-22 | ||
| JPS4964730A (en) * | 1972-08-29 | 1974-06-22 | ||
| JPS49127038A (en) * | 1973-03-23 | 1974-12-05 | ||
| JPS5260343A (en) * | 1975-11-12 | 1977-05-18 | Automob Antipollut & Saf Res Center | Transistor high-voltage magneto |
| JPS52156237A (en) * | 1976-06-21 | 1977-12-26 | Kouji Kawai | Ignition apparatus for internal combustion engine |
| JPS5390533A (en) * | 1977-01-18 | 1978-08-09 | Iida Denki Kogyo Kk | Pointtless ignition circuit for internal combustion engine |
-
1981
- 1981-08-26 JP JP12523981U patent/JPS5832175U/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4964729A (en) * | 1972-08-29 | 1974-06-22 | ||
| JPS4964730A (en) * | 1972-08-29 | 1974-06-22 | ||
| JPS49127038A (en) * | 1973-03-23 | 1974-12-05 | ||
| JPS5260343A (en) * | 1975-11-12 | 1977-05-18 | Automob Antipollut & Saf Res Center | Transistor high-voltage magneto |
| JPS52156237A (en) * | 1976-06-21 | 1977-12-26 | Kouji Kawai | Ignition apparatus for internal combustion engine |
| JPS5390533A (en) * | 1977-01-18 | 1978-08-09 | Iida Denki Kogyo Kk | Pointtless ignition circuit for internal combustion engine |
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