JPS5952070U - igniter - Google Patents
igniterInfo
- Publication number
- JPS5952070U JPS5952070U JP4266383U JP4266383U JPS5952070U JP S5952070 U JPS5952070 U JP S5952070U JP 4266383 U JP4266383 U JP 4266383U JP 4266383 U JP4266383 U JP 4266383U JP S5952070 U JPS5952070 U JP S5952070U
- Authority
- JP
- Japan
- Prior art keywords
- power transistor
- zener diode
- voltage
- saturation time
- low
- 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
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) [Abstract] 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回路図、第２図Ａ、 Ｂ
、 Ｃ，Ｄ、 Ｅ、 Ｆ、 Ｇ、 Ｈの各省は第１図
の実施例の各部の動作波形図、第３図Ａは第１図の実施
例の１次電流波形、第３図Ｂは第１図の実施例のパワー
トランジスタのコレクタ電圧波形、第４図は本考案の第
２図の実施例を示す回路図、第５図は本考案の第３の実
施例を示す回路図である。
１・・・・・・ピックアップコイル、２・・・・・・波
形整形回路、３・・・・・・ドライバ回路、４・・・・
・・パワートランジスタ、５・・・・・・点火コイル、
７・・・・・・非飽和時間電圧変換回路、１０・・・・
・・高耐圧ツェナーダイオード、１０．１２・・・・・
・ツェナーダイオード。
ｆＭ
１ｔ
１ｒ ７７
しFigure 1 is a circuit diagram showing an embodiment of the present invention, Figure 2 A and B
, C, D, E, F, G, and H are operating waveform diagrams of each part of the embodiment in FIG. 1, FIG. 3A is the primary current waveform of the embodiment in FIG. 1, and FIG. 3B is the FIG. 4 is a circuit diagram showing the embodiment of the present invention shown in FIG. 2; FIG. 5 is a circuit diagram showing the third embodiment of the present invention. . 1...Pickup coil, 2...Waveform shaping circuit, 3...Driver circuit, 4...
...Power transistor, 5...Ignition coil,
7...Non-saturation time voltage conversion circuit, 10...
・・High voltage Zener diode, 10.12・・・・
・Zener diode. fM 1t 1r 77
Claims (1)
する波形整形回路と、該回路の出力信号゛に基づいて制
御されるパワートランジスタと、該パワートランジスタ
により駆動され点火々花を発生する点火コイルと、上記
パワートランジスタの非飽和時間を検出し、上記波形整
形回路のバイアスレベルを変動させる非飽和時間電圧変
換回路と、を備えた点火装置において；上記パワートラ
ンジスタのコレクタ電圧の制限を行なうべく、上記パワ
ートランジスタのコレクタとベース間に複数個のツェナ
ーダイオードを直列接続して挿入し上記直列接続された
複数個のツェナーダイオードの１を低電圧のツェナーダ
イオードとすると共に、上記パワートランジスタのベー
ス側に挿入し、該低電圧ツェナーダイオードと他のツェ
ナーダイオードとの接続点の電位を検出することにより
非飽和時間を検出することを特徴とする点火装置。A waveform shaping circuit that shapes the waveform of an ignition timing signal generated in synchronization with engine rotation, a power transistor that is controlled based on the output signal of the circuit, and an ignition that is driven by the power transistor and generates sparks. In an ignition device comprising a coil and a non-saturation time voltage conversion circuit that detects the non-saturation time of the power transistor and changes the bias level of the waveform shaping circuit; in order to limit the collector voltage of the power transistor. , a plurality of Zener diodes are connected in series and inserted between the collector and the base of the power transistor, one of the plurality of Zener diodes connected in series is used as a low voltage Zener diode, and the base side of the power transistor is 1. An ignition device that detects a non-saturation time by inserting the low-voltage Zener diode into the zener diode and detecting a potential at a connection point between the low-voltage Zener diode and another Zener diode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1983042663U JPS601270Y2 (en) | 1983-03-23 | 1983-03-23 | igniter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1983042663U JPS601270Y2 (en) | 1983-03-23 | 1983-03-23 | igniter |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5952070U true JPS5952070U (en) | 1984-04-05 |
| JPS601270Y2 JPS601270Y2 (en) | 1985-01-14 |
Family
ID=30173197
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1983042663U Expired JPS601270Y2 (en) | 1983-03-23 | 1983-03-23 | igniter |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS601270Y2 (en) |
-
1983
- 1983-03-23 JP JP1983042663U patent/JPS601270Y2/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS601270Y2 (en) | 1985-01-14 |
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