JPS58156174U - Engine ignition timing control device - Google Patents
Engine ignition timing control deviceInfo
- Publication number
- JPS58156174U JPS58156174U JP5349282U JP5349282U JPS58156174U JP S58156174 U JPS58156174 U JP S58156174U JP 5349282 U JP5349282 U JP 5349282U JP 5349282 U JP5349282 U JP 5349282U JP S58156174 U JPS58156174 U JP S58156174U
- Authority
- JP
- Japan
- Prior art keywords
- sawtooth wave
- ignition
- timing control
- ignition timing
- generating
- 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図は本考案の実施例を示す回路図、第２図及び第３
図は、第１図の回路の各部の電圧動作波形を示す波形図
、第４図は本考案により点火時期制御装置の点火時期制
御特性を示すグラフである。
主要部分の符号の説明、■・・・主回路部、■・・・第
１鋸歯状波発生回路、■・・・第２鋸歯状波発生回路、
■・・・比較器、■・・・トリガ信号発生回路、■−電
源部、１０・・・発電コイル、２０・・・パルサコイル
。Figure 1 is a circuit diagram showing an embodiment of the present invention, Figures 2 and 3 are circuit diagrams showing an embodiment of the present invention.
1 is a waveform diagram showing voltage operation waveforms of various parts of the circuit of FIG. 1, and FIG. 4 is a graph showing ignition timing control characteristics of the ignition timing control device according to the present invention. Explanation of symbols of main parts, ■...Main circuit section, ■...First sawtooth wave generation circuit, ■...Second sawtooth wave generation circuit,
■...Comparator, ■...Trigger signal generation circuit, ■-Power supply section, 10...Generating coil, 20...Pulser coil.
Claims (2)
火コイルに高電圧パルスを供給する点火回路に前記トリ
ガ信号を供給する点火時期制御袋゛ 置であって、エ
ンジンサイクル毎の所定点火時期範囲を定める最速点火
角度位置及び最遅点火角度位置にて第１及び第２タイミ
ングパルスを発生するパルス発生手段と、前記第２タイ
ミングパルスと同一周期の第１鋸歯状波を発生する第１
鋸歯状波発生手段と、前記第１及び第２タイミングパル
ス間において前記第１鋸歯状波の傾斜より大であって少
なくとも２つの異なる傾斜を有しかつ前縁立上り部を有
する第２鋸歯状波を発生する第２鋸歯状波手段と、前記
第１及び第２鋸歯状波の大小を比較して両者の差が所定
値になったときから第２タイミングパルスまでの間にオ
ン信号を発生する比較手段と、前記オン信号に応じて前
記トリガ信号を発生するトリガ信号発生手段とからなる
ことを特徴とする点火時期制御装置。(1) An ignition timing control system in which the trigger signal is supplied to an ignition circuit which supplies a high voltage pulse to an ignition coil for driving an ignition plug of an engine in response to a signal, the ignition timing control system providing a predetermined ignition timing for each engine cycle. pulse generating means for generating first and second timing pulses at the fastest and latest ignition angle positions that define a timing range; and a first sawtooth wave that generates a first sawtooth wave having the same period as the second timing pulse.
a sawtooth wave generating means; a second sawtooth wave having at least two different slopes greater than the slope of the first sawtooth wave and a leading edge riser between the first and second timing pulses; a second sawtooth wave means for generating a second sawtooth wave, which compares the magnitudes of the first and second sawtooth waves and generates an on signal between when the difference between the two reaches a predetermined value and a second timing pulse; An ignition timing control device comprising a comparison means and a trigger signal generation means for generating the trigger signal in response to the on signal.
する基本鋸歯状波を発生する第１充電回路と、前記基本
鋸歯状波とは異なる傾斜を有する少なくとも１つの付加
鋸歯状波を発生する第２充電回路と、前記基本鋸歯状波
に前記付加鋸歯状波を重畳する加算回路とからなること
を特徴とする実用新案登録第１項記載の点火時期制御装
置。(2) The second sawtooth wave generating means includes a first charging circuit that generates a basic sawtooth wave having a leading edge rising portion, and at least one additional sawtooth wave having a slope different from the basic sawtooth wave. The ignition timing control device according to item 1 of the Utility Model Registration, characterized in that it comprises a second charging circuit that generates a second charging circuit, and an addition circuit that superimposes the additional sawtooth wave on the basic sawtooth wave.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5349282U JPS58156174U (en) | 1982-04-13 | 1982-04-13 | Engine ignition timing control device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5349282U JPS58156174U (en) | 1982-04-13 | 1982-04-13 | Engine ignition timing control device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS58156174U true JPS58156174U (en) | 1983-10-18 |
| JPS6316868Y2 JPS6316868Y2 (en) | 1988-05-13 |
Family
ID=30064153
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5349282U Granted JPS58156174U (en) | 1982-04-13 | 1982-04-13 | Engine ignition timing control device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS58156174U (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5664156A (en) * | 1979-10-27 | 1981-06-01 | Hitachi Ltd | Contactless ignition device for engine |
| JPS57359A (en) * | 1980-05-30 | 1982-01-05 | Yamaha Motor Co Ltd | Igniter in internal combuston engine |
-
1982
- 1982-04-13 JP JP5349282U patent/JPS58156174U/en active Granted
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5664156A (en) * | 1979-10-27 | 1981-06-01 | Hitachi Ltd | Contactless ignition device for engine |
| JPS57359A (en) * | 1980-05-30 | 1982-01-05 | Yamaha Motor Co Ltd | Igniter in internal combuston engine |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6316868Y2 (en) | 1988-05-13 |
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