JPS62108570U - - Google Patents
Info
- Publication number
- JPS62108570U JPS62108570U JP19918385U JP19918385U JPS62108570U JP S62108570 U JPS62108570 U JP S62108570U JP 19918385 U JP19918385 U JP 19918385U JP 19918385 U JP19918385 U JP 19918385U JP S62108570 U JPS62108570 U JP S62108570U
- Authority
- JP
- Japan
- Prior art keywords
- ignition
- signal
- coil
- capacitor
- ignition timing
- 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
- 239000003990 capacitor Substances 0.000 claims description 12
- 238000004146 energy storage Methods 0.000 claims description 3
- 238000002485 combustion reaction Methods 0.000 claims 5
- 230000001960 triggered effect Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 3
Landscapes
- Ignition Installations For Internal Combustion Engines (AREA)
- Electrical Control Of Ignition Timing (AREA)
Description
【図面の簡単な説明】
第１図は本考案の実施例を示す回路図、第２図
は第１図の各部の信号波形を示す波形図、第３図
は本考案の装置の点火特性を従来の点火装置の点
火特性と比較して示した線図である。
ＩＧ……点火コイル、Ｌｅ……エキサイタコイ
ル、Ｌｓ……信号コイル、Ｐ……点火プラグ、Ｃ
１……点火エネルギー蓄積用コンデンサ、Ｃ２…
…第１の点火時期制御用コンデンサ、Ｃ３……第
２の点火時期制御用コンデンサ、Ｄ１〜Ｄ８……
ダイオード、Ｚ１ないしＺ３……ツエナーダイオ
ード、Ｒ１〜Ｒ４……抵抗、Ｔ……放電制御用サ
イリスタトリガ回路。[Brief Description of the Drawings] Fig. 1 is a circuit diagram showing an embodiment of the present invention, Fig. 2 is a waveform diagram showing signal waveforms of each part of Fig. 1, and Fig. 3 shows the ignition characteristics of the device of the present invention. FIG. 2 is a diagram showing a comparison with the ignition characteristics of a conventional ignition device. IG...Ignition coil, Le...Exciter coil, Ls...Signal coil, P...Spark plug, C
1...Ignition energy storage capacitor, C2...
...First ignition timing control capacitor, C3... Second ignition timing control capacitor, D1 to D8...
Diode, Z1 to Z3... Zener diode, R1 to R4... Resistor, T... Thyristor trigger circuit for discharge control.
Claims (1)
機内に配置されたエキサイタコイルの一方の半サ
イクルの出力で一方の極性に充電される点火エネ
ルギー蓄積用コンデンサと、導通した際に前記点
火エネルギー蓄積用コンデンサの電荷を前記点火
コイルの１次コイルを通して放電させるように設
けられた放電制御用サイリスタと、内燃機関の所
定の回転角度位置で１サイクルの信号を発生する
信号コイルの出力を入力として内燃機関の点火時
期に前記サイリスタをトリガする放電制御用サイ
リスタトリガ回路とを備えた内燃機関用点火装置
において、 前記トリガ回路は、 前記エキサイタコイルの一方の半サイクルの出
力で一方の極性に充電される第１の点火時期制御
用コンデンサと、 前記第１の点火時期制御用コンデンサの端子電
圧で電流制限手段を通して一定の時定数で一方の
極性に充電される第２の点火時期制御用コンデン
サと、 前記第２の点火時期制御用コンデンサに対して
並列に接続されて、前記信号コイルの後から発生
する半サイクルの出力電圧でトリガされて導通す
るリセツト用スイツチと、 前記第１の点火時期制御用コンデンサの両端に
並列に接続されて該第１の点火時期制御用コンデ
ンサの充電電圧を一定値に制限する充電電圧制限
用ツエナーダイオードと、 前記第２の点火時期制御用コンデンサの端子電
圧が設定値に達した時に導通して前記信号コイル
の先に発生する半サイクルの出力電圧で前記放電
制御用サイリスタに点弧信号を与える点弧信号供
給制御用スイツチと、 前記信号コイルの後から発生する半サイクルの
出力で前記防電制御用サイリスタに点弧信号を供
給する遅角用信号供給回路と、 導通した際に前記信号コイルに電流を流すよう
に接続され、該信号コイルの先に発生する半サイ
クルの出力が一定のレベルを超えた時に導通して
該信号コイルの端子電圧を制限する信号電圧制限
用ツエナーダイオードとを具備したことを特徴と
する内燃機関用点火装置。[Claim for Utility Model Registration] An ignition coil and an ignition energy storage capacitor that is charged to one polarity by the output of one half cycle of an exciter coil disposed in a generator driven by an internal combustion engine are electrically connected. a discharge control thyristor provided to discharge the charge of the ignition energy storage capacitor through the primary coil of the ignition coil; and a signal coil that generates a one-cycle signal at a predetermined rotation angle position of the internal combustion engine. an ignition device for an internal combustion engine, comprising: a discharge control thyristor trigger circuit that receives the output of the exciter coil as an input and triggers the thyristor at the ignition timing of the internal combustion engine; a first ignition timing control capacitor that is charged to one polarity, and a second ignition timing capacitor that is charged to one polarity at a constant time constant through a current limiting means using the terminal voltage of the first ignition timing control capacitor. a control capacitor; a reset switch connected in parallel to the second ignition timing control capacitor and conductive when triggered by a half-cycle output voltage generated after the signal coil; a charging voltage limiting Zener diode connected in parallel to both ends of the ignition timing control capacitor to limit the charging voltage of the first ignition timing control capacitor to a constant value; an ignition signal supply control switch that conducts when the terminal voltage reaches a set value and supplies an ignition signal to the discharge control thyristor with a half-cycle output voltage generated at the tip of the signal coil; a retard signal supply circuit that supplies an ignition signal to the electrical protection control thyristor with a half-cycle output generated later; An ignition device for an internal combustion engine, comprising a signal voltage limiting Zener diode that becomes conductive to limit the terminal voltage of the signal coil when the output of the previous half cycle exceeds a certain level.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1985199183U JPH045736Y2 (en) | 1985-12-26 | 1985-12-26 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1985199183U JPH045736Y2 (en) | 1985-12-26 | 1985-12-26 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS62108570U true JPS62108570U (en) | 1987-07-10 |
| JPH045736Y2 JPH045736Y2 (en) | 1992-02-18 |
Family
ID=31160566
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1985199183U Expired JPH045736Y2 (en) | 1985-12-26 | 1985-12-26 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH045736Y2 (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS597774A (en) * | 1982-07-06 | 1984-01-14 | Kokusan Denki Co Ltd | Ignition device for internal-combustion engine |
-
1985
- 1985-12-26 JP JP1985199183U patent/JPH045736Y2/ja not_active Expired
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS597774A (en) * | 1982-07-06 | 1984-01-14 | Kokusan Denki Co Ltd | Ignition device for internal-combustion engine |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH045736Y2 (en) | 1992-02-18 |
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