JPS62195671U - - Google Patents
Info
- Publication number
- JPS62195671U JPS62195671U JP8531286U JP8531286U JPS62195671U JP S62195671 U JPS62195671 U JP S62195671U JP 8531286 U JP8531286 U JP 8531286U JP 8531286 U JP8531286 U JP 8531286U JP S62195671 U JPS62195671 U JP S62195671U
- Authority
- JP
- Japan
- Prior art keywords
- circuit
- ignition coil
- ignition
- switching element
- power source
- 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 2
- 230000002265 prevention Effects 0.000 claims description 2
- 230000010355 oscillation Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 4
Landscapes
- Ignition Installations For Internal Combustion Engines (AREA)
Description
第１図は本考案に係るエンジン点火回路の概略
回路図、第２図は第１図におけるスイツチング素
子オフ時点のＺ点の電圧波形図、第３図は低イン
ピーダンスシールド線の断面図、第４図は従来の
エンジン点火回路の概略回路図、第５図は第４図
におけるスイツチング素子オフ時点のＡ点の電圧
波形図である。
１０……直流電源、１１……点火コイル、１２
……スイツチング素子、１３……スパークプラグ
、１５……雑音防止用コンデンサ、１７……低イ
ンピーダンスシールド線、ｌ３……電源側配線。
Fig. 1 is a schematic circuit diagram of the engine ignition circuit according to the present invention, Fig. 2 is a voltage waveform diagram at point Z when the switching element is turned off in Fig. 1, Fig. 3 is a cross-sectional view of the low impedance shield wire, and Fig. 4 5 is a schematic circuit diagram of a conventional engine ignition circuit, and FIG. 5 is a voltage waveform diagram at point A when the switching element is turned off in FIG. 4. 10...DC power supply, 11...Ignition coil, 12
... Switching element, 13 ... Spark plug, 15 ... Noise prevention capacitor, 17 ... Low impedance shield wire, l 3 ... Power supply side wiring.
Claims (1)
直列回路と雑音防止用コンデンサとを並列接続し
てあり、スイツチング素子のオン、オフ制御によ
り点火コイルに高電圧を誘起せしめてスパークプ
ラグを点火せしめる点火回路において、前記直流
電源と前記点火コイルとを結ぶ配線に低インピー
ダンスシールド線を用いた構成として、回路内の
発振動作を抑制したことを特徴とするエンジン点
火回路。 In an ignition circuit in which a series circuit of an ignition coil and a switching element and a noise prevention capacitor are connected in parallel to a DC power source, a high voltage is induced in the ignition coil by controlling the switching element to turn on and off, thereby igniting a spark plug. An engine ignition circuit characterized in that oscillation in the circuit is suppressed by using a low impedance shielded wire for wiring connecting the DC power source and the ignition coil.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8531286U JPS62195671U (en) | 1986-06-03 | 1986-06-03 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8531286U JPS62195671U (en) | 1986-06-03 | 1986-06-03 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS62195671U true JPS62195671U (en) | 1987-12-12 |
Family
ID=30940604
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8531286U Pending JPS62195671U (en) | 1986-06-03 | 1986-06-03 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS62195671U (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS53109036A (en) * | 1977-03-07 | 1978-09-22 | Ngk Spark Plug Co Ltd | Ignition circuit system free from electric wave noise for internal combustion engine |
-
1986
- 1986-06-03 JP JP8531286U patent/JPS62195671U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS53109036A (en) * | 1977-03-07 | 1978-09-22 | Ngk Spark Plug Co Ltd | Ignition circuit system free from electric wave noise for internal combustion engine |
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