JPS58170538U

JPS58170538U - Crank angle sensor failure detection device

Info

Publication number: JPS58170538U
Application number: JP6751082U
Authority: JP
Inventors: 保坂　明夫; 勝憲押上; 鐘ケ江　英俊; 明人山本
Original assignee: 日産自動車株式会社
Priority date: 1982-05-11
Filing date: 1982-05-11
Publication date: 1983-11-14

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図はクランク角センサの一例の構造図、第２図はク
ランク角センサの信号波形図、第３図は本考案を適用す
る点火時期制御装置の一例のブロック図、第４図は本考
案の基本構成を示すブロック図、第５図及び第６図はそ
れぞれ回転判定手段の実施例図、第７図は信号有無判定
手段の一実施例図、第８図は論理判定手段クー実施例図
、第９図は論理判定の真理値図表、第１０図は本考案の
他の実施例図である。符号の説明、６・・・クランク角センサ、２０・・・回
転判定手段、２１・・・信号有無判定手段、２２・・・
論理判定手段、Ｓｌ・・・単位角信号、Ｓ２・・・基準
角信号、Ｓ１ｏ・・・エンジン状態信号、Ｓ□３・・・
判定結果信号。」Ｘ第３図 □ 第４図ＩＯ ”　　−−ｒ　　ｒ” １Ａ　　　　　　　　　　　　　　　　　　　　　　＋
％ｃ＋　　＋％ｃＩＬ−−−１第６図４、　　　　′　已よＬ（１ ↓Fig. 1 is a structural diagram of an example of a crank angle sensor, Fig. 2 is a signal waveform diagram of the crank angle sensor, Fig. 3 is a block diagram of an example of an ignition timing control device to which the present invention is applied, and Fig. 4 is a diagram of the present invention. 5 and 6 are respectively diagrams of an embodiment of the rotation determination means, FIG. 7 is a diagram of an embodiment of the signal presence/absence determination means, and FIG. 8 is a diagram of an embodiment of the logic determination means. , FIG. 9 is a truth value diagram of logical judgment, and FIG. 10 is a diagram of another embodiment of the present invention. Explanation of symbols, 6... Crank angle sensor, 20... Rotation determining means, 21... Signal presence/absence determining means, 22...
Logic determination means, Sl...Unit angle signal, S2...Reference angle signal, S1o...Engine status signal, S□3...
Judgment result signal. ”
%c+ +%cIL−−−1 Figure 6 4, ′ L (1 ↓

Claims

[Claims for Utility Model Registration] (1) A rotation determination means for determining whether or not the engine is rotating by inputting a signal indicating the operating state of the engine, and generating a signal synchronized with the rotation of the engine crankshaft. a signal presence/absence determination means for inputting a signal from a crank angle sensor to determine the presence or absence of the signal; and inputting the output of the rotation determination means and the output of the signal presence/absence determination means to make a logical determination;
A failure detection device for a crank angle sensor, comprising: logical determination means for outputting a determination signal indicating that the crank angle sensor is malfunctioning when a signal from the crank angle sensor is not generated during engine rotation. (2) Utility model registration claim 1, characterized in that any one or a combination of two or more of the following (1) to (9) is used as a signal indicating the operating state of the engine. A failure detection device for a crank angle sensor as described in . , (1) Signal according to the intake air amount of the engine. (2) Signal according to engine intake negative pressure. (3) Signal according to starter motor operation. (4) Signal according to engine lubricating oil pressure. (5) Signal according to battery voltage. (6) Signal according to the output voltage of the alternator. (7) Signal according to the terminal voltage of the charge lamp. (8) Signal according to vehicle speed. (9) Signal according to engine vibration.