JPS5975571U - Ignition system for internal combustion engines - Google Patents
Ignition system for internal combustion enginesInfo
- Publication number
- JPS5975571U JPS5975571U JP17150082U JP17150082U JPS5975571U JP S5975571 U JPS5975571 U JP S5975571U JP 17150082 U JP17150082 U JP 17150082U JP 17150082 U JP17150082 U JP 17150082U JP S5975571 U JPS5975571 U JP S5975571U
- Authority
- JP
- Japan
- Prior art keywords
- internal combustion
- converter
- ignition system
- ignition
- transformer
- 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
第１図は、従来の内燃機関用点火装置の構成を示す回路
図、第２図は、第１図に示した従来の点火装置に珀いて
いるプッシュプル式ＤＣ−ＤＣコンバータの構成を示す
回路図、第３図は、この考案の一実施例を示す回路図、
第４図イル二に、夫々第３図の１フライバック式ＤＣ−
ＤＣコンバータの各部動作状態を示す波形図、第５図イ
〜ハは、夫々第３図の回路図中の各部動作状態を示す波
形図、第６図は、従来のＤＣ−ＤＣコンバータとこの考
案のＤＣ−ＤＣコンバータの出力特性を示す特性曲線図
、第７図イル二は、夫々第３図の実施例の効果説明に供
する放電電圧・電流波形図、第８図イ芝二は、従来のプ
ッシュプル方式のＤＣ−ＤＣコンバータを用いた場合の
放電電圧・電流波形図である。
１・・・・・・バッテリ、２・・・・・・点火コイル、
３・・・・・・ディストリビュータ、５ａ〜５ｄ・・・
・・・点火プラグ、１５・・・・・・フライバック式Ｄ
ｃ−ＤＣコンバータ、１６・・・・・・昇圧トランス、
１７・・・・・・スイッチングトランジスタ、１８・・
・・・・発振回路、１９・・・・・・ダイオ′−ド、２
０・・・・・・平滑用コンデンサ。Figure 1 is a circuit diagram showing the configuration of a conventional ignition system for an internal combustion engine, and Figure 2 is a circuit diagram showing the configuration of a push-pull DC-DC converter included in the conventional ignition system shown in Figure 1. 3 is a circuit diagram showing an embodiment of this invention,
Figure 4 and Figure 3 flyback type DC-
Waveform diagrams showing the operating states of each part of the DC converter. Figures 5A to 5C are waveform diagrams showing the operating states of each part in the circuit diagram of Figure 3. Figure 6 shows the conventional DC-DC converter and this invention. FIG. 7 is a characteristic curve diagram showing the output characteristics of the DC-DC converter, FIG. It is a discharge voltage/current waveform diagram when a push-pull type DC-DC converter is used. 1...Battery, 2...Ignition coil,
3...Distributor, 5a-5d...
...Spark plug, 15...Flyback type D
c-DC converter, 16... step-up transformer,
17...Switching transistor, 18...
...Oscillation circuit, 19...Diode, 2
0... Smoothing capacitor.
Claims (1)
火エネルギを注入するＤＣ−ＤＣコンバータを備えた内
燃機関用点火装置において、前記ＤＣ−ＤＣコンバータ
として、昇圧トランスの１次コイルに一流れる電流を断
続する１石のスイッチングトランジスタを有し、このス
イッチングトランジスタがオフして前記昇圧トランスの
１次コイルに流れる電流が遮断された時に、前記昇圧ト
ランスの２次コイルに発生する電圧及び電流に応じてコ
ンバータ出力が決定される定電力特性のフライバック式
Ｄｃ−ＤＣコンバータを用いたことを特徴とする内燃機
関用点火装置。In an ignition system for an internal combustion engine equipped with a DC-DC converter that injects ignition energy into the secondary side of an ignition coil in addition to a normal ignition system of the engine, the DC-DC converter includes a primary coil connected to the primary coil of a step-up transformer. The voltage and current generated in the secondary coil of the step-up transformer when the switching transistor is turned off and the current flowing to the primary coil of the step-up transformer is cut off. An ignition device for an internal combustion engine, characterized in that it uses a flyback type DC-DC converter with constant power characteristics in which converter output is determined according to .
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17150082U JPS5975571U (en) | 1982-11-15 | 1982-11-15 | Ignition system for internal combustion engines |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17150082U JPS5975571U (en) | 1982-11-15 | 1982-11-15 | Ignition system for internal combustion engines |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5975571U true JPS5975571U (en) | 1984-05-22 |
Family
ID=30374096
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP17150082U Pending JPS5975571U (en) | 1982-11-15 | 1982-11-15 | Ignition system for internal combustion engines |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5975571U (en) |
-
1982
- 1982-11-15 JP JP17150082U patent/JPS5975571U/en active Pending
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