JPH02126077U - - Google Patents
Info
- Publication number
- JPH02126077U JPH02126077U JP3322389U JP3322389U JPH02126077U JP H02126077 U JPH02126077 U JP H02126077U JP 3322389 U JP3322389 U JP 3322389U JP 3322389 U JP3322389 U JP 3322389U JP H02126077 U JPH02126077 U JP H02126077U
- Authority
- JP
- Japan
- Prior art keywords
- predetermined time
- circuit
- waveform shaping
- ignition coil
- comparison
- 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
- 238000007493 shaping process Methods 0.000 claims description 4
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Ignition Installations For Internal Combustion Engines (AREA)
Description
第１図はこの考案の一実施例による機関点火装
置のブロツク構成図、第２図は従来の機関点火装
置のブロツク図である。
図において、１……信号発電機、２……波形整
形回路、３……パワートランジスタ回路、４……
点火コイル、５……デイストリビユータ、６……
点火プラグ、７……第１のタイマ、８……第２の
タイマ、９……第１の比較回路、１０……第２の
比較回路、１１……オア回路である。なお、各図
中同一符号は同一又は相当部分を示す。
FIG. 1 is a block diagram of an engine ignition system according to an embodiment of this invention, and FIG. 2 is a block diagram of a conventional engine ignition system. In the figure, 1... signal generator, 2... waveform shaping circuit, 3... power transistor circuit, 4...
Ignition coil, 5...Distributor, 6...
Spark plug, 7...first timer, 8...second timer, 9...first comparison circuit, 10...second comparison circuit, 11...OR circuit. Note that the same reference numerals in each figure indicate the same or equivalent parts.
Claims (1)
回転と同期して交流信号を発生する信号発電機と
、この信号発電機の出力信号を波形整形する波形
整形回路と、この波形整形回路の出力に応じて前
記点火コイルの給電電流を断続するスイツチ手段
と、前記波形整形回路の出力信号の発生基準時点
から第１の所定時間を計時する第１のタイマと、
前記発生基準時点から第２の所定時間を計時する
第２のタイマと、前記第１の所定時間に前記点火
コイルの一次側に発生する電圧と第１の所定電圧
とを比較する第１の比較回路と、前記第２の所定
時間に前記点火コイルの一次側に発生する電圧と
第２の所定電圧とを比較する第２の比較回路と、
前記第１および第２の比較回路の出力の論理和を
取る論理和回路とを備えたことを特徴とする機関
点火装置。 An ignition coil that is supplied with power from a DC power source, a signal generator that generates an AC signal in synchronization with the rotation of the engine, a waveform shaping circuit that shapes the output signal of this signal generator, and an output of this waveform shaping circuit. a first timer that measures a first predetermined time from a reference point in time when the output signal of the waveform shaping circuit is generated;
a second timer that measures a second predetermined time from the generation reference time; and a first comparison that compares the voltage generated on the primary side of the ignition coil during the first predetermined time with the first predetermined voltage. a second comparison circuit that compares a voltage generated on the primary side of the ignition coil and a second predetermined voltage during the second predetermined time;
An engine ignition system comprising: an OR circuit that ORs the outputs of the first and second comparison circuits.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3322389U JPH02126077U (en) | 1989-03-27 | 1989-03-27 | |
| DE4009451A DE4009451C2 (en) | 1989-03-27 | 1990-03-23 | Ignition device for an internal combustion engine |
| US07/498,652 US5019779A (en) | 1989-03-27 | 1990-03-26 | Ignition apparatus for an internal combustion engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3322389U JPH02126077U (en) | 1989-03-27 | 1989-03-27 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH02126077U true JPH02126077U (en) | 1990-10-17 |
Family
ID=31536713
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3322389U Pending JPH02126077U (en) | 1989-03-27 | 1989-03-27 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH02126077U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020049704A1 (en) * | 2018-09-07 | 2020-03-12 | 新電元工業株式会社 | Vehicle ignition device, ignition control device, and control method of vehicle ignition device |
-
1989
- 1989-03-27 JP JP3322389U patent/JPH02126077U/ja active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020049704A1 (en) * | 2018-09-07 | 2020-03-12 | 新電元工業株式会社 | Vehicle ignition device, ignition control device, and control method of vehicle ignition device |
| JPWO2020049704A1 (en) * | 2018-09-07 | 2021-08-12 | 新電元工業株式会社 | Vehicle ignition device, ignition control device, and control method of vehicle ignition device |
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