JPS61198578U

JPS61198578U -

Info

Publication number: JPS61198578U
Application number: JP8368585U
Authority: JP
Priority date: 1985-06-03
Filing date: 1985-06-03
Publication date: 1986-12-11
Anticipated expiration: 2000-06-03
Also published as: JPH0528362Y2

Description

[Brief explanation of the drawing]

第１図はこの考案の構成を明示するための全体
構成図である。第２図はこの考案の一実施例の概
略構成図、第３図はセンサの取り付け状態を示す
説明図である。第４図Ａ、第４図Ｂはそれぞれ基
準位置信号発生装置の平面図、断面図、第４図Ｃ
は基準位置センサに発生する出力電圧を説明する
波形図である。第５図Ａはグループ気筒判別用基
準信号を得るための回路構成図、第５図Ｂは比較
器の出力信号を説明する波形図である。第６図は
この実施例の全体の回路構成図、第７図はこの回
路構成図中の各部の信号波形を説明する波形図で
ある。第８図、第９図はこの考案の第２実施例、
第３実施例の概略構成図である。第１０図は従来
例の回路構成図である。２０……磁石回転型基準位置信号発生装置、２
１……運転状態検出手段、２２……グループ気筒
判別手段、２３……点火信号発生回路、２４……
グループ気筒点火回路、２５……電子配電式点火
手段、３０……リングギヤセンサ、３１……信号
コイル、３２……リングギヤ、３４……カム軸、
３５……基準位置センサ、３６……磁石回転子、
３７……信号処理回路、４０……コントロールユ
ニツト、４１……バイアス回路、４２，４３……
比較器、４４，４５……オープンコレクタ、５０
……ＲＳフリツプフロツプ、５１……負圧センサ
、５２……点火信号発生回路、６１……グループ
気筒点火回路、７０……電子配電式点火手段、８
０〜８３……ツイストペアにした配線。 FIG. 1 is an overall configuration diagram for clearly showing the configuration of this invention. FIG. 2 is a schematic configuration diagram of an embodiment of this invention, and FIG. 3 is an explanatory diagram showing how the sensor is attached. Figures 4A and 4B are a plan view, a cross-sectional view, and Figure 4C of the reference position signal generator, respectively.
2 is a waveform diagram illustrating the output voltage generated in the reference position sensor. FIG. FIG. 5A is a circuit configuration diagram for obtaining a reference signal for group cylinder discrimination, and FIG. 5B is a waveform diagram illustrating the output signal of the comparator. FIG. 6 is an overall circuit configuration diagram of this embodiment, and FIG. 7 is a waveform diagram illustrating signal waveforms at various parts in this circuit configuration diagram. Figures 8 and 9 show a second embodiment of this invention.
It is a schematic block diagram of 3rd Example. FIG. 10 is a circuit diagram of a conventional example. 20... Magnet rotation type reference position signal generator, 2
DESCRIPTION OF SYMBOLS 1... Operating state detection means, 22... Group cylinder discrimination means, 23... Ignition signal generation circuit, 24...
Group cylinder ignition circuit, 25...Electronic power distribution type ignition means, 30...Ring gear sensor, 31...Signal coil, 32...Ring gear, 34...Camshaft,
35... Reference position sensor, 36... Magnet rotor,
37... Signal processing circuit, 40... Control unit, 41... Bias circuit, 42, 43...
Comparator, 44, 45...Open collector, 50
... RS flip-flop, 51 ... negative pressure sensor, 52 ... ignition signal generation circuit, 61 ... group cylinder ignition circuit, 70 ... electronic power distribution type ignition means, 8
0~83...Twisted pair wiring.

Claims

[Scope of utility model registration request]

In an electronic ignition timing control device equipped with an electronic power distribution type ignition means that simultaneously ignites each cylinder in a group, a reference position signal generator of a rotating magnet type generates a reference position signal of the crankshaft, and two a group cylinder discriminating means for discriminating group cylinders that perform simultaneous ignition by comparison with a predetermined value; an ignition signal generation circuit for generating an ignition signal according to the operating state; An electronic ignition timing control device comprising a group cylinder ignition circuit that drives an electronic power distribution type ignition means.