JPH0323664U - - Google Patents
Info
- Publication number
- JPH0323664U JPH0323664U JP8403889U JP8403889U JPH0323664U JP H0323664 U JPH0323664 U JP H0323664U JP 8403889 U JP8403889 U JP 8403889U JP 8403889 U JP8403889 U JP 8403889U JP H0323664 U JPH0323664 U JP H0323664U
- Authority
- JP
- Japan
- Prior art keywords
- signal
- generated
- circuit
- integrating capacitor
- set value
- 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 8
- 230000007274 generation of a signal involved in cell-cell signaling Effects 0.000 claims description 3
- 238000002485 combustion reaction Methods 0.000 claims 2
- 238000007599 discharging Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 4
- 230000002265 prevention Effects 0.000 description 2
Landscapes
- Ignition Installations For Internal Combustion Engines (AREA)
Description
第１図は本考案の実施例を示す回路図、第２図
は第１図の実施例の各部の信号波形を示す波形図
、第３図は本考案の他の実施例を示した回路図、
第４図は従来の装置の過回転防止動作を説明する
ための信号波形図である。
１……信号コイル、２……制御信号発生回路、
３……点火制御回路、４……過回転防止回路、５
……アンド回路、６，６′……点火回路、７，７
′……点火コイル、８……トランジスタ、９……
点火プラグ、１０……積分コンデンサ、１１，１
７，１８……抵抗、１３……トランジスタ、１４
……微分コンデンサ、１６……リセツト回路、１
９……失火指令信号発生回路、２０……比較器、
２１，２２……抵抗、３０……コンデンサ、３１
……サイリスタ、３２……ダイオード、３４……
昇圧トランス、３５……トランジスタ、３６……
パルス発振器。
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 the embodiment of Fig. 1, and Fig. 3 is a circuit diagram showing another embodiment of the invention. ,
FIG. 4 is a signal waveform diagram for explaining the over-rotation prevention operation of the conventional device. 1...Signal coil, 2...Control signal generation circuit,
3...Ignition control circuit, 4...Overspeed prevention circuit, 5
...AND circuit, 6,6'...Ignition circuit, 7,7
'...Ignition coil, 8...Transistor, 9...
Spark plug, 10... Integral capacitor, 11,1
7, 18...Resistor, 13...Transistor, 14
... Differential capacitor, 16 ... Reset circuit, 1
9... Misfire command signal generation circuit, 20... Comparator,
21, 22...Resistor, 30...Capacitor, 31
...Thyristor, 32...Diode, 34...
Step-up transformer, 35...transistor, 36...
pulse oscillator.
Claims (1)
て発生する信号発電機と、 前記第１の信号が発生してから第２の信号が発
生するまでの間積分コンデンサを充電する積分回
路と、 前記第１の信号が発生したときに前記積分コン
デンサを放電させるリセツト回路と、 前記第２の信号が発生してから第１の信号が発
生するまでの期間に前記積分コンデンサの両端に
得られる積分電圧が設定値より低くなる条件が満
たされたときに失火指令信号を発生する失火指令
信号発生回路とを備え、 前記失火指令信号が発生したときに点火動作を
停止する内燃機関用点火装置において、 前記第２の信号が発生した時点で前記積分電圧
が前記設定値以上あるときに次の第１の信号が発
生するまでの間前記積分コンデンサを追加充電す
る追加積分回路と、 前記第２の信号が発生した時点で前記積分電圧
が前記設定値より低いときに次の第１の信号が発
生するまでの間前記積分コンデンサを所定の時定
数で放電させる放電回路とを具備したことを特徴
とする内燃機関用点火装置。[Claims for Utility Model Registration] A signal generator that generates a first signal and a second signal separated by a certain angle, and a period from when the first signal is generated to when the second signal is generated. a reset circuit that discharges the integrating capacitor when the first signal is generated; and a reset circuit that discharges the integrating capacitor when the first signal is generated; a misfire command signal generation circuit that generates a misfire command signal when a condition is met in which the integrated voltage obtained across the integrating capacitor during the period is lower than a set value, and ignites when the misfire command signal is generated. In an ignition system for an internal combustion engine that stops operation, when the integral voltage is equal to or higher than the set value at the time when the second signal is generated, the integral capacitor is additionally charged until the next first signal is generated. an additional integrating circuit for discharging the integrating capacitor at a predetermined time constant until the next first signal is generated when the integrated voltage is lower than the set value at the time when the second signal is generated; An ignition device for an internal combustion engine, characterized by comprising a discharge circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8403889U JPH0717819Y2 (en) | 1989-07-19 | 1989-07-19 | Ignition device for internal combustion engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8403889U JPH0717819Y2 (en) | 1989-07-19 | 1989-07-19 | Ignition device for internal combustion engine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0323664U true JPH0323664U (en) | 1991-03-12 |
| JPH0717819Y2 JPH0717819Y2 (en) | 1995-04-26 |
Family
ID=31632195
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8403889U Expired - Lifetime JPH0717819Y2 (en) | 1989-07-19 | 1989-07-19 | Ignition device for internal combustion engine |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0717819Y2 (en) |
-
1989
- 1989-07-19 JP JP8403889U patent/JPH0717819Y2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0717819Y2 (en) | 1995-04-26 |
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