JPH0471771U - - Google Patents
Info
- Publication number
- JPH0471771U JPH0471771U JP11579690U JP11579690U JPH0471771U JP H0471771 U JPH0471771 U JP H0471771U JP 11579690 U JP11579690 U JP 11579690U JP 11579690 U JP11579690 U JP 11579690U JP H0471771 U JPH0471771 U JP H0471771U
- Authority
- JP
- Japan
- Prior art keywords
- wave voltage
- exciter
- negative half
- exciter output
- capacitor
- 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
- 239000003990 capacitor Substances 0.000 claims description 6
Landscapes
- Ignition Installations For Internal Combustion Engines (AREA)
Description
第１図は従来のコンデンサ充放電式点火装置の
回路例、第２図はコンデンサ充放電式点火装置の
エキサイタコイル出力波形、第３図本考案の実施
例である。図に於いて、
Ｄ１〜２……整流用ダイオード、Ｓ１……点火
用サイリスタ、Ｃ１……点火用コンデンサ、Ｑ１
……エキサイタコイルクランプ用トランジスタ、
Ｚ１……ツエナーダイオード、Ｒ１……抵抗、Ｅ
ＸＴ……エキサイタコイル、ＩＧＮ……イグニツ
シヨンコイル、ＰＣ……パルサコイルである。
FIG. 1 shows a circuit example of a conventional capacitor charge/discharge type ignition device, FIG. 2 shows an exciter coil output waveform of the capacitor charge/discharge type ignition device, and FIG. 3 shows an embodiment of the present invention. In the figure, D1-2 ... rectifier diode, S1 ... ignition thyristor, C1 ... ignition capacitor, Q1
...Transistor for exciter coil clamp,
Z 1 ... Zener diode, R 1 ... Resistor, E
XT...Exciter coil, IGN...Ignition coil, PC...Pulser coil.
Claims (1)
イオードを介して充電されるコンデンサの充電々
荷を、前記エキサイタ出力の負方向半波電圧で点
弧されるサイリスタによつて放電せしめる様にし
たコンデンサ充放電式点火装置に於いて、前記エ
キサイタ出力の負方向半波電圧が一定電圧より低
い時は、該エキサイタコイルを閉回路にするスイ
ツチング素子をＯＦＦにし、前記負方向半波電圧
が一定電圧より高い時は前記スイツチング素子を
ＯＮにして前記エキサイタ出力を短絡せしめるこ
とを特徴としたコンデンサ充放電式点火装置。 A capacitor charging device in which the charge of a capacitor charged via a diode that rectifies the positive half-wave voltage of the exciter output is discharged by a thyristor fired by the negative half-wave voltage of the exciter output. In the discharge type ignition device, when the negative half-wave voltage of the exciter output is lower than a constant voltage, a switching element that closes the exciter coil is turned OFF, and the negative half-wave voltage is higher than the constant voltage. The capacitor charge/discharge type ignition device is characterized in that the switching element is turned ON to short-circuit the exciter output.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11579690U JPH0471771U (en) | 1990-11-02 | 1990-11-02 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11579690U JPH0471771U (en) | 1990-11-02 | 1990-11-02 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0471771U true JPH0471771U (en) | 1992-06-25 |
Family
ID=31863595
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11579690U Pending JPH0471771U (en) | 1990-11-02 | 1990-11-02 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0471771U (en) |
-
1990
- 1990-11-02 JP JP11579690U patent/JPH0471771U/ja active Pending
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