JPS61183471U

JPS61183471U -

Info

Publication number: JPS61183471U
Application number: JP6711085U
Authority: JP
Priority date: 1985-05-07
Filing date: 1985-05-07
Publication date: 1986-11-15

Description

[Brief explanation of the drawing]

図面は本考案の一実施例を示すもので、第１図
はエキサイタコイル及びトリガコイルの取付状態
を示す一部切欠正面図、第２図は本考案の回路図
、第３図は誘起電圧波形図及びタイムチヤートで
、ａはエキサイタコイルの誘起電圧波形図、ｂは
トリガコイルの誘起電圧波形図、ｃは低速回転時
のトランジスタ２３の動作を示すタイムチヤート
、ｄは低速回転時のコンデンサ１０の電圧波形図
、ｅは過回転時のトランジスタ２３の動作を示す
タイムチヤート、ｆは過回転時のコンデンサ１０
の電圧波形図であり、第４図は点火時期特性図、
第５図は他の実施例の点火時期特性図、第６図は
さらに他の実施例の点火時期特性図である。７……トリガコイル、８……エキサイタコイル
、１１……イグニシヨンコイル、Ａ……充電回路
、Ｂ……放電回路、Ｃ……点火制御回路、Ｄ……
過回転防止回路。 The drawings show one embodiment of the present invention; Fig. 1 is a partially cutaway front view showing how the exciter coil and trigger coil are installed, Fig. 2 is a circuit diagram of the invention, and Fig. 3 is an induced voltage waveform. In the figures and time charts, a is an induced voltage waveform diagram of the exciter coil, b is an induced voltage waveform diagram of the trigger coil, c is a time chart showing the operation of the transistor 23 during low speed rotation, and d is a diagram of the capacitor 10 during low speed rotation. Voltage waveform diagram, e is a time chart showing the operation of the transistor 23 during over-speed, f is the capacitor 10 during over-speed.
FIG. 4 is a voltage waveform diagram of ignition timing characteristics,
FIG. 5 is an ignition timing characteristic diagram of another embodiment, and FIG. 6 is an ignition timing characteristic diagram of still another embodiment. 7...Trigger coil, 8...Exciter coil, 11...Ignition coil, A...Charging circuit, B...Discharging circuit, C...Ignition control circuit, D...
Overspeed prevention circuit.

Claims

[Scope of utility model registration request]

An exciter coil and a trigger coil that intermittently generate an induced voltage in synchronization with an internal combustion engine, a charging circuit that charges the induced voltage of the exciter coil, a discharge circuit that discharges the charged charge to an ignition coil, and the discharge In a non-contact ignition device for an internal combustion engine comprising an ignition control circuit that performs discharge in the circuit based on the induced voltage of the trigger coil, a part of the induced voltage of the trigger coil is charged, and after the charging, the An engine comprising a charging/discharging circuit that discharges with a discharge time constant of A non-contact ignition device for an internal combustion engine, characterized by being provided with an overspeed prevention circuit.