JPS63190568U - - Google Patents
Info
- Publication number
- JPS63190568U JPS63190568U JP8026587U JP8026587U JPS63190568U JP S63190568 U JPS63190568 U JP S63190568U JP 8026587 U JP8026587 U JP 8026587U JP 8026587 U JP8026587 U JP 8026587U JP S63190568 U JPS63190568 U JP S63190568U
- Authority
- JP
- Japan
- Prior art keywords
- coil
- capacitor
- transistor switch
- ignition
- energization control
- 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
- 239000003990 capacitor Substances 0.000 claims description 12
- 230000010355 oscillation Effects 0.000 claims description 4
- 238000004146 energy storage Methods 0.000 claims description 3
- 238000002485 combustion reaction Methods 0.000 claims 3
- 238000010586 diagram Methods 0.000 description 3
Landscapes
- Ignition Installations For Internal Combustion Engines (AREA)
Description
第１図は本考案の実施例を示すブロツク図、第
２図は第１図の各部を更に具体的にした実施例を
示す回路図、第３図は第２図の各部の信号波形図
である。
１……点火コイル、２……点火エネルギー蓄積
用コンデンサ、３……サイリスタ、４……コンデ
ンサ充電用ダイオード、５……チヨークコイル、
１１……コイル通電制御用トランジスタスイツチ
、１２……発振回路、１３……トランジスタスイ
ツチ制御回路。
Fig. 1 is a block diagram showing an embodiment of the present invention, Fig. 2 is a circuit diagram showing an embodiment in which each part of Fig. 1 is more specific, and Fig. 3 is a signal waveform diagram of each part of Fig. 2. be. 1... Ignition coil, 2... Capacitor for ignition energy storage, 3... Thyristor, 4... Diode for capacitor charging, 5... Chi York coil,
11... Transistor switch for coil energization control, 12... Oscillation circuit, 13... Transistor switch control circuit.
Claims (1)
設けられた点火エネルギー蓄積用コンデンサと、
導通した際に前記コンデンサの電荷を前記点火コ
イルの１次コイルに放電させるように設けられた
放電制御用スイツチと、チヨークコイルとを備え
、前記チヨークコイルの通電電流を遮断すること
により該チヨークコイルに誘起させた電圧でコン
デンサ充電用ダイオードを通して前記点火エネル
ギー蓄積用コンデンサを充電するコンデンサ放電
式内燃機関用点火装置において、 コレクタエミツタ間回路が前記チヨークコイル
に対して直列に接続されたコイル通電制御用トラ
ンジスタスイツチと、 交互に異なる状態をとる２値信号を所定の周波
数で出力する発振回路と、 前記発振回路と前記コイル通電制御用トランジ
スタスイツチとの間に設けられて、前記２値信号
が一方の状態になる毎に前記コイル通電制御用ト
ランジスタスイツチにベース電流を徐々に供給し
、前記２値信号が他方の状態になつた時に前記ト
ランジスタスイツチを急速遮断させるトランジス
タスイツチ制御回路とを具備したことを特徴とす
るコンデンサ放電式内燃機関用点火装置。 (2) 前記トランジスタスイツチ制御回路は、 前記コイル通電制御用トランジスタスイツチの
ベースに一端が接続され他端が直流電源に接続さ
れた抵抗と、 前記コイル通電制御用トランジスタスイツチの
ベースエミツタ間回路に対して並列に接続され、
前記抵抗を通して充電されるトリガ制御用コンデ
ンサと、 前記トリガ制御用コンデンサ及びコイル通電制
御用トランジスタスイツチのベースエミツタ間回
路に対してコレクタエミツタ間回路が並列に接続
されたトリガ制御用トランジスタとを備えている
実用新案登録請求の範囲第１項に記載のコンデン
サ放電式内燃機関用点火装置。[Claims for Utility Model Registration] (1) An ignition coil, an ignition energy storage capacitor provided on the primary side of the ignition coil,
A discharge control switch is provided to discharge the electric charge of the capacitor to the primary coil of the ignition coil when conductive, and a check coil, and the electric charge is induced in the check coil by cutting off the current flowing through the check coil. In a capacitor discharge type internal combustion engine ignition device that charges the ignition energy storage capacitor through a capacitor charging diode with a voltage applied to the capacitor, the collector-emitter circuit includes a coil energization control transistor switch connected in series to the choke coil; , an oscillation circuit that outputs a binary signal that alternately assumes different states at a predetermined frequency; and an oscillation circuit that is provided between the oscillation circuit and the coil energization control transistor switch so that the binary signal is in one state. and a transistor switch control circuit that gradually supplies a base current to the transistor switch for coil energization control, and quickly shuts off the transistor switch when the binary signal changes to the other state. Capacitor discharge type ignition system for internal combustion engines. (2) The transistor switch control circuit includes a resistor having one end connected to the base of the coil energization control transistor switch and the other end connected to a DC power supply, and a base-emitter circuit of the coil energization control transistor switch. connected in parallel,
a trigger control capacitor charged through the resistor; and a trigger control transistor whose collector-emitter circuit is connected in parallel to the base-emitter circuit of the trigger control capacitor and coil energization control transistor switch. A capacitor discharge type ignition device for an internal combustion engine according to claim 1, which is a utility model.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8026587U JPS63190568U (en) | 1987-05-27 | 1987-05-27 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8026587U JPS63190568U (en) | 1987-05-27 | 1987-05-27 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS63190568U true JPS63190568U (en) | 1988-12-08 |
Family
ID=30930914
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8026587U Pending JPS63190568U (en) | 1987-05-27 | 1987-05-27 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63190568U (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59165864A (en) * | 1983-03-11 | 1984-09-19 | Hitachi Ltd | Capacitor discharging ignition device |
-
1987
- 1987-05-27 JP JP8026587U patent/JPS63190568U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59165864A (en) * | 1983-03-11 | 1984-09-19 | Hitachi Ltd | Capacitor discharging ignition device |
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