JPH0471773U - - Google Patents
Info
- Publication number
- JPH0471773U JPH0471773U JP11464490U JP11464490U JPH0471773U JP H0471773 U JPH0471773 U JP H0471773U JP 11464490 U JP11464490 U JP 11464490U JP 11464490 U JP11464490 U JP 11464490U JP H0471773 U JPH0471773 U JP H0471773U
- Authority
- JP
- Japan
- Prior art keywords
- reset switch
- combustion engine
- internal combustion
- ignition
- switch
- 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 7
- 238000002485 combustion reaction Methods 0.000 claims 6
- 238000010586 diagram Methods 0.000 description 3
- 238000004146 energy storage Methods 0.000 description 1
Landscapes
- Ignition Installations For Internal Combustion Engines (AREA)
Description
第１図は本考案の実施例を示した回路図、第２
図は第１図の各部の電圧波形を示した波形図であ
る。
１……点火コイル、２……１次電流制御回路、
２０１……点火エネルギー蓄積用コンデンサ、２
０２……放電制御用サイリスタ、３……点火位置
決定回路、４……エキサイタコイル、５……基準
電圧発生回路、６……積分回路、７……制御回路
、８……定電圧電源回路、４０……積分コンデン
サ、４１……トランジスタ（リセツト用スイツチ
）、４２……トランジスタ（オンオフ制御用スイ
ツチ）、４３……ダイオード、５０……遅延回路
を構成するコンデンサ。
Figure 1 is a circuit diagram showing an embodiment of the present invention, Figure 2 is a circuit diagram showing an embodiment of the present invention.
The figure is a waveform diagram showing voltage waveforms at various parts in FIG. 1. 1...Ignition coil, 2...Primary current control circuit,
201...Ignition energy storage capacitor, 2
02... Thyristor for discharge control, 3... Ignition position determining circuit, 4... Exciter coil, 5... Reference voltage generation circuit, 6... Integrating circuit, 7... Control circuit, 8... Constant voltage power supply circuit, 40... Integrating capacitor, 41... Transistor (reset switch), 42... Transistor (on/off control switch), 43... Diode, 50... Capacitor constituting the delay circuit.
Claims (1)
られて正の半サイクルの出力電圧で内燃機関用点
火装置に点火エネルギーを供給するエキサイタコ
イルと、前記エキサイタコイルの負の半サイクル
の出力が設定レベルに達したときに前記内燃機関
用点火装置に点火位置決定用の点火信号を与える
とともに前記エキサイタコイルを短絡する点火位
置決定回路と、直流電源により充電される積分コ
ンデンサと導通した際に該積分コンデンサを放電
させるリセツト用スイツチとを備えた積分回路と
、前記エキサイタコイルの負の半サイクルの出力
を入力として該負の半サイクルの出力が発生した
ときに前記リセツト用スイツチを導通させるリセ
ツト用スイツチ制御回路と、前記積分コンデンサ
の端子電圧と基準電圧とを比較して所定の制御動
作を行わせる制御回路とを備えた内燃機関用制御
装置において、 前記内燃機関の点火位置よりも遅れた位置まで
前記リセツト用スイツチを導通状態に保持する遅
延回路を前記リセツト用スイツチ制御回路に設け
たことを特徴とする内燃機関用制御装置。 (2) 前記リセツト用スイツチ制御回路は、 導通状態にあるときに前記リセツト用スイツチ
を遮断状態にするように設けられて常時は前記直
流電源からトリガ信号が与えられて導通状態を保
持する遮断制御用スイツチと、前記エキサイタコ
イルの負の半サイクルの出力により順方向電流が
流れるように設けられて順方向電圧降下により前
記遮断制御用スイツチのトリガ入力端子間を逆バ
イアスするように前記遮断制御用スイツチのトリ
ガ入力端子間に接続されたダイオードとを備え、 前記遅延回路は前記ダイオードの両端に並列に
接続されたコンデンサからなつている請求項１に
記載の内燃機関用制御装置。[Claims for Utility Model Registration] (1) An exciter coil that is provided in a generator driven by an internal combustion engine and supplies ignition energy to an ignition device for the internal combustion engine at a positive half-cycle output voltage; an ignition position determining circuit that provides an ignition signal for determining the ignition position to the internal combustion engine ignition device and short-circuits the exciter coil when the output of the negative half cycle reaches a set level; and an integral charged by a DC power supply. an integrating circuit including a reset switch that discharges the integrating capacitor when conductive to the capacitor; and a reset switch that receives the output of the negative half cycle of the exciter coil when the negative half cycle output is generated. A control device for an internal combustion engine, comprising: a reset switch control circuit that makes a switch conductive; and a control circuit that compares a terminal voltage of the integrating capacitor with a reference voltage and performs a predetermined control operation. A control device for an internal combustion engine, characterized in that the reset switch control circuit is provided with a delay circuit that maintains the reset switch in a conductive state until a position later than the ignition position. (2) The reset switch control circuit is provided so as to turn off the reset switch when it is in a conductive state, and is normally provided with a trigger signal from the DC power supply to maintain the conductive state. and the cutoff control switch, which is provided so that a forward current flows due to the output of the negative half cycle of the exciter coil, and reverse biases between the trigger input terminals of the cutoff control switch due to a forward voltage drop. 2. The control device for an internal combustion engine according to claim 1, further comprising a diode connected between trigger input terminals of a switch, and wherein said delay circuit comprises a capacitor connected in parallel to both ends of said diode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11464490U JPH0721893Y2 (en) | 1990-10-31 | 1990-10-31 | Control device for internal combustion engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11464490U JPH0721893Y2 (en) | 1990-10-31 | 1990-10-31 | Control device for internal combustion engine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0471773U true JPH0471773U (en) | 1992-06-25 |
| JPH0721893Y2 JPH0721893Y2 (en) | 1995-05-17 |
Family
ID=31862350
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11464490U Expired - Lifetime JPH0721893Y2 (en) | 1990-10-31 | 1990-10-31 | Control device for internal combustion engine |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0721893Y2 (en) |
-
1990
- 1990-10-31 JP JP11464490U patent/JPH0721893Y2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0721893Y2 (en) | 1995-05-17 |
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