JPS606842U - Engine abnormality detection device - Google Patents
Engine abnormality detection deviceInfo
- Publication number
- JPS606842U JPS606842U JP9997683U JP9997683U JPS606842U JP S606842 U JPS606842 U JP S606842U JP 9997683 U JP9997683 U JP 9997683U JP 9997683 U JP9997683 U JP 9997683U JP S606842 U JPS606842 U JP S606842U
- Authority
- JP
- Japan
- Prior art keywords
- pulse
- time difference
- signal
- detection device
- abnormality detection
- 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
Links
Landscapes
- Measuring Fluid Pressure (AREA)
- Emergency Alarm Devices (AREA)
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
第１図は本考案の一実施例の構成を示すブロック線図、
第２図は第１図に示す一実施例の作動を説明するための
波形図、第３図Ａ、 Ｂはそれぞれ第１図に示す一実施
例の周波数とトルクとの関係を示す図、第４図は第１図
に示す一実施例の作動を示すフローチャート図である。
１・・・・・・シリンダー、２・・・・・・回転系、３
・・面上死点信号検出器、４・・・・・・捩りパルス検
出器、５・・曲周期計測装置、６・・・・・・パルス発
生装置、７・・・・・・パルス時間差検出装置、８・・
・・・・主制御装置、９・・・・・・フーリエ解析器、
１０・・・・・・アラーム装置。FIG. 1 is a block diagram showing the configuration of an embodiment of the present invention;
2 is a waveform diagram for explaining the operation of the embodiment shown in FIG. 1, and FIGS. 3A and 3B are diagrams showing the relationship between frequency and torque of the embodiment shown in FIG. FIG. 4 is a flowchart showing the operation of the embodiment shown in FIG. 1. 1...Cylinder, 2...Rotating system, 3
...Face top dead center signal detector, 4...Torsion pulse detector, 5...Bending period measuring device, 6...Pulse generator, 7...Pulse time difference Detection device, 8...
...Main controller, 9...Fourier analyzer,
10...Alarm device.
Claims (1)
出器と、回転軸の円周上に対向して設けられた捩りパル
ス検出器と、予め上死点間隔の周期を計測する周期計測
装置と、これにより所定周波数のパルス信号を発生する
パルス発生装置と、このパルス信号と回転軸の捩りパル
ス信号との時間差を検出するパルス時間差検出装置と、
この時間差を周波数成分に分解するフーリエ解析器と、
これにより制御されて異常信号を発生する主制御装置と
を具備してなることを特徴とする機関の異常検出装置。A top dead center signal detector that detects the position of the piston in the cylinder, a torsion pulse detector provided oppositely on the circumference of the rotating shaft, and a period measuring device that measures the period of the top dead center interval in advance. , a pulse generator that generates a pulse signal of a predetermined frequency, and a pulse time difference detector that detects a time difference between this pulse signal and a torsion pulse signal of the rotating shaft.
A Fourier analyzer that decomposes this time difference into frequency components,
What is claimed is: 1. An abnormality detection device for an engine, comprising: a main control device that is controlled by the main control device and generates an abnormality signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9997683U JPS606842U (en) | 1983-06-28 | 1983-06-28 | Engine abnormality detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9997683U JPS606842U (en) | 1983-06-28 | 1983-06-28 | Engine abnormality detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS606842U true JPS606842U (en) | 1985-01-18 |
Family
ID=30236701
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9997683U Pending JPS606842U (en) | 1983-06-28 | 1983-06-28 | Engine abnormality detection device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS606842U (en) |
-
1983
- 1983-06-28 JP JP9997683U patent/JPS606842U/en active Pending
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