JPS6123473U - Ignition system for internal combustion engines - Google Patents
Ignition system for internal combustion enginesInfo
- Publication number
- JPS6123473U JPS6123473U JP10710084U JP10710084U JPS6123473U JP S6123473 U JPS6123473 U JP S6123473U JP 10710084 U JP10710084 U JP 10710084U JP 10710084 U JP10710084 U JP 10710084U JP S6123473 U JPS6123473 U JP S6123473U
- Authority
- JP
- Japan
- Prior art keywords
- ignition
- internal combustion
- combustion engine
- switch element
- primary current
- 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
- Electrical Control Of Ignition Timing (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図は本考案の一実施例を示した回路図、第２図は第
１図の各部の信号を示した波形図、第３図は本考案で用
いる１次電流制御用半導体スイッチの他の構成例を示し
た回路図、第４図乃至第６図はそれぞれ本考案で用いる
点火時期制御回路の異なる構成例を示した回路図である
。
１・・・点火コイル、２・・・点火プラグ、５・・・１
次電流制御用サイリスタ、９・・・エキサイタコイル、
１５・・・電源回路、２０・・・点火時期制御回路、２
１・・・信号コイル、２２・・・第１の積分回路、２２
ａ・・・第１の積分コンデンサ、２２ｂ・・・トランジ
スタ、２２ｃ・・・スイッチ回路、２２ｆ・・・充電回
路、２３・・・第２の積分回路、２３ａ・・・第２の積
分コンデンサ、２３ｂ・・・充電回路、２３ｃ・・・ス
イッチ回路、２４・・・ＰＵＴ０Fig. 1 is a circuit diagram showing an embodiment of the present invention, Fig. 2 is a waveform diagram showing signals of each part in Fig. 1, and Fig. 3 is a diagram showing other semiconductor switches for primary current control used in the present invention. FIGS. 4 to 6 are circuit diagrams each showing a different example of the configuration of the ignition timing control circuit used in the present invention. 1...Ignition coil, 2...Spark plug, 5...1
Next current control thyristor, 9... exciter coil,
15... Power supply circuit, 20... Ignition timing control circuit, 2
1... Signal coil, 22... First integration circuit, 22
a... First integrating capacitor, 22b... Transistor, 22c... Switch circuit, 22f... Charging circuit, 23... Second integrating circuit, 23a... Second integrating capacitor, 23b...Charging circuit, 23c...Switch circuit, 24...PUT0
Claims (1)
の１次電流を急変させるように制御して該点火コイルの
２次コイルに点火用の高電圧を誘起させる１次電流制御
用サイリスタと、内燃機関の点火時期に前記１次電流制
御用サイリスタの制御極に点弧信号を供給する点火時期
制御回路とを備えた内燃機関用点火装置において、前記
点火時期制御回路は、内燃機関の回転に同期して該機関
の点火時期の最大進角位置及び最小進角位置でそれぞれ
スレショールドレベル以上になる第１及び第２の信号を
出力する信号コイルと、前記第１の信号により制御され
て前記最大進角位置で第１の積分コンデンサを一定の電
圧まで瞬時に充電すると共に該最犬進角位置から該第１
の積分コンデンサを一定の時定数で追加′充電する積分
動作を行なう第１の積分回路と、前記第２の信号により
制御されて各最小進角位置の直後から次の最小進角位置
まで第２の積分、コンデンサを一定の時定数で充電し該
最小進角位置で該第２の積分コンデンサを瞬時に放電さ
せる積分動作を行なう第２の積分回路と、アノードとゲ
ートとカソードとを有して該カソードが前記１次電流制
御用サイリスクの制御極に接続されたスイッチ素子とを
具備し、前記スイッチ素子はそのア／−ドカソード間電
圧がゲートカソード間電圧を超えた時に導通状態になる
素子からなり、前記スイッチ素子のアノードと前記１次
電流制御用サイリスタの陰極端子との間に前記第１の積
分コンデンサの端子電圧が印加され、前記スイッチ素子
のゲートと前記１次電流制御用サイリスタの陰極端子と
の間に前記第２の積分コンデンサの端子電圧が印加され
ていることを特徴とする内燃機関用点火装置。 （２＞ 前記スイッチ素子はＮゲートサイリスタであ
る実用新案登録請求の範囲第１項に記載め内燃機関用点
火装置。 （３） 前記スイッチ素子はプログラマブルユニジャ
ンクショントランジスタからなる実用新案登録請求の範
囲第１項に記載の内燃機関用点火装置。[Claims for Utility Model Registration] (1) A high voltage for ignition is induced in the secondary coil of the ignition coil by controlling the primary current of the ignition coil to suddenly change when electrical conduction occurs between the ignition coil and the ignition coil. An ignition device for an internal combustion engine, comprising a primary current control thyristor and an ignition timing control circuit that supplies an ignition signal to a control pole of the primary current control thyristor at the ignition timing of the internal combustion engine. The circuit includes a signal coil that outputs first and second signals that are equal to or higher than a threshold level at a maximum advance position and a minimum advance position of the ignition timing of the engine in synchronization with the rotation of the internal combustion engine; Controlled by the first signal, the first integrating capacitor is instantly charged to a constant voltage at the maximum advance position, and the first integral capacitor is charged from the maximum advance position to the first integral capacitor.
A first integrating circuit performs an integral operation of adding and charging an integrating capacitor with a constant time constant, and a second integrating circuit is controlled by the second signal from immediately after each minimum advance angle position to the next minimum advance position. a second integrating circuit that performs an integral operation of charging a capacitor with a constant time constant and instantly discharging the second integrating capacitor at the minimum advance angle position; an anode, a gate, and a cathode; and a switch element whose cathode is connected to the control pole of the primary current control thyrisk, and the switch element is an element that becomes conductive when the voltage between its electrode and cathode exceeds the voltage between its gate and cathode. The terminal voltage of the first integrating capacitor is applied between the anode of the switch element and the cathode terminal of the primary current control thyristor, and the terminal voltage of the first integrating capacitor is applied between the anode of the switch element and the cathode terminal of the primary current control thyristor. An ignition device for an internal combustion engine, wherein a terminal voltage of the second integrating capacitor is applied between the terminal and the terminal. (2> The ignition device for an internal combustion engine as set forth in claim 1, wherein the switch element is an N-gate thyristor. (3) The switch element is a programmable unijunction transistor. The ignition device for an internal combustion engine according to item 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10710084U JPS6123473U (en) | 1984-07-17 | 1984-07-17 | Ignition system for internal combustion engines |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10710084U JPS6123473U (en) | 1984-07-17 | 1984-07-17 | Ignition system for internal combustion engines |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6123473U true JPS6123473U (en) | 1986-02-12 |
| JPH0413421Y2 JPH0413421Y2 (en) | 1992-03-27 |
Family
ID=30666364
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10710084U Granted JPS6123473U (en) | 1984-07-17 | 1984-07-17 | Ignition system for internal combustion engines |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6123473U (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5765865A (en) * | 1980-10-06 | 1982-04-21 | Shindengen Electric Mfg Co Ltd | Condenser charging and discharging type ignition devece |
| JPS58170855A (en) * | 1982-03-31 | 1983-10-07 | Honda Motor Co Ltd | Method and device for control of engine ignition timing |
-
1984
- 1984-07-17 JP JP10710084U patent/JPS6123473U/en active Granted
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5765865A (en) * | 1980-10-06 | 1982-04-21 | Shindengen Electric Mfg Co Ltd | Condenser charging and discharging type ignition devece |
| JPS58170855A (en) * | 1982-03-31 | 1983-10-07 | Honda Motor Co Ltd | Method and device for control of engine ignition timing |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0413421Y2 (en) | 1992-03-27 |
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