JPS61123880U - - Google Patents
Info
- Publication number
- JPS61123880U JPS61123880U JP757085U JP757085U JPS61123880U JP S61123880 U JPS61123880 U JP S61123880U JP 757085 U JP757085 U JP 757085U JP 757085 U JP757085 U JP 757085U JP S61123880 U JPS61123880 U JP S61123880U
- Authority
- JP
- Japan
- Prior art keywords
- signal
- ignition
- positive polarity
- circuit
- engine
- 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
- 230000003111 delayed effect Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
- 239000003990 capacitor Substances 0.000 description 1
Landscapes
- Ignition Installations For Internal Combustion Engines (AREA)
- Electrical Control Of Ignition Timing (AREA)
Description
第１図および第２図は夫々本考案の第１および
第２の実施例に係る機関点火装置の回路図、第３
図および第４図は本考案に係る機関点火装置の動
作説明図、第５図は本考案に係る磁石発電機の正
面図、第６図は本考案に係る磁石発電機のポール
の平面図である。
１……点火電源コイル、４……サイリスタ、５
……点火コイル、９……信号コイル、１５……進
角演算回路、１６……ダイオード、１７，１８，
２２……抵抗、１９……コンデンサ、２０……ツ
エナーダイオード、２１，２１ａ……トランジス
タ、２６……ポール、２６ａ……切欠き。尚、図
中同一符号は同一又は相当部分を示す。
1 and 2 are circuit diagrams of engine ignition systems according to the first and second embodiments of the present invention, respectively, and FIG.
4 and 4 are explanatory diagrams of the operation of the engine ignition system according to the present invention, FIG. 5 is a front view of the magnet generator according to the present invention, and FIG. 6 is a plan view of the pole of the magnet generator according to the present invention. be. 1...Ignition power supply coil, 4...Thyristor, 5
...Ignition coil, 9...Signal coil, 15...Advance angle calculation circuit, 16...Diode, 17, 18,
22...Resistor, 19...Capacitor, 20...Zener diode, 21, 21a...Transistor, 26...Pole, 26a...Notch. Note that the same reference numerals in the figures indicate the same or corresponding parts.
Claims (1)
の信号を負極性とし該信号で進角演算を行い、正
極性の信号は大小２つの信号を得て最も遅れた信
号を大電圧で得て機関の始動時の点火信号とし、
中間の位置の正極性信号を小電圧で得て機関のア
イドリング時の点火信号としたものにおいて、正
極性信号の回路に可変インピーダンス回路を設け
るとともに、点火電源コイルまたは信号コイルの
出力を積分する積分回路を設け、積分回路の積分
値が一定値を超えたときに可変インピーダンス回
路のインピーダンスを変え、始動時においては正
極性信号のレベルを低下せしめてその大電圧信号
により点火を行い、前記積分値が一定値を超えた
ときには正極性信号の小電圧信号により点火を行
うようにしたことを特徴とする機関点火装置。 Positive and negative signals are obtained from the signal coil, the signal at the earliest position is set as negative polarity, and advance angle calculation is performed using this signal.The positive polarity signal is obtained as two large and small signals, and the delayed signal is obtained at high voltage and then the engine is activated. As the ignition signal when starting the
When a positive polarity signal at an intermediate position is obtained with a small voltage and used as an ignition signal when the engine is idling, a variable impedance circuit is provided in the positive polarity signal circuit, and an integral that integrates the output of the ignition power supply coil or signal coil is used. A circuit is provided, and when the integral value of the integrating circuit exceeds a certain value, the impedance of the variable impedance circuit is changed, and at the time of starting, the level of the positive polarity signal is lowered and ignition is performed by the high voltage signal, and the integral value 1. An engine ignition system characterized in that when the voltage exceeds a certain value, ignition is performed using a small voltage signal of a positive polarity signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP757085U JPS61123880U (en) | 1985-01-21 | 1985-01-21 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP757085U JPS61123880U (en) | 1985-01-21 | 1985-01-21 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS61123880U true JPS61123880U (en) | 1986-08-04 |
Family
ID=30486041
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP757085U Pending JPS61123880U (en) | 1985-01-21 | 1985-01-21 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61123880U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6453058A (en) * | 1987-08-20 | 1989-03-01 | Yanmar Diesel Engine Co | Starter of engine |
-
1985
- 1985-01-21 JP JP757085U patent/JPS61123880U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6453058A (en) * | 1987-08-20 | 1989-03-01 | Yanmar Diesel Engine Co | Starter of engine |
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