JPS63123772U - - Google Patents

Info

Publication number
JPS63123772U
JPS63123772U JP1482687U JP1482687U JPS63123772U JP S63123772 U JPS63123772 U JP S63123772U JP 1482687 U JP1482687 U JP 1482687U JP 1482687 U JP1482687 U JP 1482687U JP S63123772 U JPS63123772 U JP S63123772U
Authority
JP
Japan
Prior art keywords
period
crank angle
unit crank
measuring
detecting
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP1482687U
Other languages
Japanese (ja)
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed filed Critical
Priority to JP1482687U priority Critical patent/JPS63123772U/ja
Publication of JPS63123772U publication Critical patent/JPS63123772U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
  • Ignition Installations For Internal Combustion Engines (AREA)

Description

【図面の簡単な説明】[Brief explanation of the drawing]

第1図は本考案の構成を示す機能ブロツク図、
第2図は単位クランク角度信号の周期の変化の様
子を示す図、第3図は本考案の一実施例を示すシ
ステム図、第4図は同上実施例における信号波形
図、第5図はマイクロコンピユータによる場合の
フローチヤート、第6図は他の実施例について説
明するための線図である。 2……回転体、3……磁気センサ、4……波形
整形回路、5……周期計測器(周期計測ロジツク
)、6……極大点検出器(極大点検出ロジツク)
Figure 1 is a functional block diagram showing the configuration of the present invention.
Fig. 2 is a diagram showing changes in the cycle of a unit crank angle signal, Fig. 3 is a system diagram showing an embodiment of the present invention, Fig. 4 is a signal waveform diagram in the same embodiment, and Fig. 5 is a micro A flowchart in the case of using a computer, FIG. 6 is a diagram for explaining another embodiment. 2...Rotating body, 3...Magnetic sensor, 4...Waveform shaping circuit, 5...Period measuring device (periodic measurement logic), 6...Maximum point detector (maximum point detection logic)
.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 機関のクランクシヤフトの回転に同期して単位
クランク角度毎に信号を発生する単位クランク角
度信号発生手段と、該単位クランク角度信号発生
手段からの信号入力の周期を計測する周期計測手
段と、該周期計測手段により計測された周期が極
大となる点を検出したこれを上死点として検出す
る極大点検出手段とを含んで構成されることを特
徴とする内燃機関の上死点検出装置。
unit crank angle signal generating means for generating a signal for each unit crank angle in synchronization with the rotation of the crankshaft of the engine; a period measuring means for measuring the period of signal input from the unit crank angle signal generating means; and the period. What is claimed is: 1. A top dead center detection device for an internal combustion engine, comprising: maximum point detection means for detecting a point at which the period measured by a measuring means has a maximum and detecting this as a top dead center.
JP1482687U 1987-02-05 1987-02-05 Pending JPS63123772U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1482687U JPS63123772U (en) 1987-02-05 1987-02-05

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1482687U JPS63123772U (en) 1987-02-05 1987-02-05

Publications (1)

Publication Number Publication Date
JPS63123772U true JPS63123772U (en) 1988-08-11

Family

ID=30805181

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1482687U Pending JPS63123772U (en) 1987-02-05 1987-02-05

Country Status (1)

Country Link
JP (1) JPS63123772U (en)

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