JPS5997264U

JPS5997264U - Fast retard ignition system

Info

Publication number: JPS5997264U
Application number: JP19321882U
Authority: JP
Inventors: 寛片田
Original assignee: 株式会社日立製作所
Priority date: 1982-12-22
Filing date: 1982-12-22
Publication date: 1984-07-02

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]

１　　　第１図は本考案に応用したトランジスタ点火装
置　　置の回路図、第２図は第１図回路の動作波形図、
第３図は特性図である。・　　　１・・・ロータ、２・・・パルサー、３・・・
バッテリー、４−・・イグニッションコイル、５・・・
点火プラグ、６゜７・・・比較回路、８・・・キースイ
ッチ、Ｒ１−Ｒ３０・・・抵Ｌ　Ｃ１〜Ｃ９・・・コン
デンサ、Ｄ１〜Ｄ５・・・ダイオード、Ｑ１〜Ｑ７・・
・トランジスタ、Ｑ８・・・パワートランジースタ、ｚ
Ｄ・・・ツェナーダイオニド。1 Figure 1 is a circuit diagram of a transistor ignition device applied to the present invention, Figure 2 is an operating waveform diagram of the circuit shown in Figure 1,
FIG. 3 is a characteristic diagram.・ 1... Rotor, 2... Pulsar, 3...
Battery, 4-...Ignition coil, 5...
Spark plug, 6°7...Comparison circuit, 8...Key switch, R1-R30...Resistor L C1-C9...Capacitor, D1-D5...Diode, Q1-Q7...
・Transistor, Q8...Power transistor, z
D...Zener dionide.

Claims

[Scope of utility model registration request]

Equipped with a pulser that detects two crank rotation positions: the ignition position at startup (reference position) and a position advanced from that position.
At low and medium speeds, the ignition occurs at the standard position, and at high speeds,
Create a first triangular wave that starts integration from the advanced position, ends integration at the reference position, and holds its peak value thereafter.
From this peak value and the reference position, the first triangular wave and the triangular wave with the opposite slope are compared with the constant potential as the starting point, and the intersection is set as the ignition position, and the high-speed retard ignition system has retard characteristics as the rotation increases. .