JPS6317422U - - Google Patents

Description

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

第１図は本考案に係る機械的振動監視装置の模
式図、第２図は振動センサの電気信号波形図、第
３図は差分演算器の差分信号波形図、第４図は振
動センサのセンサ面の配置方向の関係を示す模式
図、第５図は従来の機械的振動監視装置の模式図
である。 ３…増幅器、４…演算器、５…表示器、１２，
１３ａ，１３ｂ…振動センサ、１４ａ，１４ｂ…
差分演算器、１５…伝播方向判定器。なお、図中
、同一符号は同一、又は相当部分を示す。 Fig. 1 is a schematic diagram of the mechanical vibration monitoring device according to the present invention, Fig. 2 is an electric signal waveform diagram of the vibration sensor, Fig. 3 is a difference signal waveform diagram of the difference calculator, and Fig. 4 is the sensor of the vibration sensor. FIG. 5 is a schematic diagram showing the relationship between the plane arrangement directions, and FIG. 5 is a schematic diagram of a conventional mechanical vibration monitoring device. 3...Amplifier, 4...Arithmetic unit, 5...Display device, 12,
13a, 13b...vibration sensor, 14a, 14b...
Difference calculator, 15... Propagation direction determiner. In addition, in the figures, the same reference numerals indicate the same or equivalent parts.

Claims (1)

【実用新案登録請求の範囲】 振動センサを用いて、監視対象物から発生する
機械的振動を監視する装置において、 主たる感応方向が相互に垂直となるように前記
監視対象物に取付けられるべき２個１組の振動セ
ンサ複数組と、各組の２個の振動センサの信号差
を演算する差分演算回路とを具備することを特徴
とする機械的振動監視装置。[Claims for Utility Model Registration] In a device that uses vibration sensors to monitor mechanical vibrations generated from an object to be monitored, two vibration sensors are to be attached to the object to be monitored so that their main sensing directions are perpendicular to each other. A mechanical vibration monitoring device comprising: a plurality of sets of vibration sensors; and a difference calculation circuit that calculates a signal difference between the two vibration sensors of each set.