JPS5833777U

JPS5833777U - Engine ignition timing control device

Info

Publication number: JPS5833777U
Application number: JP12897181U
Authority: JP
Inventors: 桃山　勉
Original assignee: 三菱電機株式会社
Priority date: 1981-08-28
Filing date: 1981-08-28
Publication date: 1983-03-04
Also published as: JPS6221753Y2

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

[Brief explanation of the drawing]

第１図はこの考案の機関点火時期制御装置の一実施例を
示す電気回路図、第２図は第１図の機関点火時期制御装
置の動作波形図、第３図は第１図の機関点火時期制御装
置により得られる点火時期特性図であ乞。１・・・磁石発電機、２・・・発電コイル、３・・・信
号コイル、６・・・サイリスタ、１１・・・第１のゲー
ト回路、１２・・・第２のゲート回路、１８・・・遅角
回路、１９・・・定電圧回路、２４・・・信号形成回路
、２８・・・単安定回路、３３・・・スイッチング回路
。Fig. 1 is an electric circuit diagram showing an embodiment of the engine ignition timing control device of this invention, Fig. 2 is an operating waveform diagram of the engine ignition timing control device of Fig. Please provide an ignition timing characteristic diagram obtained by the timing control device. DESCRIPTION OF SYMBOLS 1... Magnet generator, 2... Generating coil, 3... Signal coil, 6... Thyristor, 11... First gate circuit, 12... Second gate circuit, 18... ... Retard circuit, 19... Constant voltage circuit, 24... Signal forming circuit, 28... Monostable circuit, 33... Switching circuit.

Claims

[Scope of utility model registration request]

a signal coil that is attached to a magnet generator rotationally driven by the engine and generates an AC output in synchronization with the rotation of the engine;
An ignition generator coil is attached to the magnet generator and generates an AC output in synchronization with the rotation of the engine, the AC output of the ignition generator coil is used as a power source, and the AC output of the signal coil is used as a first power source. An ignition circuit that directly outputs an ignition signal to an ignition circuit via a gate circuit, and outputs an AC output from the signal coil as an ignition signal via a second gate circuit;
a constant voltage circuit that receives the alternating current output of the signal coil and forms a constant voltage; a signal forming circuit that receives the alternating current output of the signal coil and forms an angle signal at a predetermined crank position of the engine; A monostable circuit that generates a pulse signal having a pulse width of a certain time from the angle signal generation position, and the generation period of the pulse signal. An engine ignition timing control device comprising the above switching circuit that cuts off only the ignition signal of the gate circuit.