Fiber Bragg grating accelerometer based on U-type cantilever structure

Fiber Bragg grating accelerometer based on U-type cantilever structure

A fiber Bragg grating accelerometer based on a U-type cantilever structure is characterized in that: in a shell, a left bearing is arranged on a base plate left side and a right bearing is arranged on a base plate right side; a left through hole (a) is processed on left end wall of the shell and a r...

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Hauptverfasser: ZHANG JINGHUA, QIAO XUEGUANG, WENG YINYAN, HU MANLI, ZHOU RUI, YANG YANG, FENG ZHONGYAO, ZHANG JING
Format: Patent
Sprache:chi ; eng
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MEASUREMENT OF MECHANICAL VIBRATIONS OR ULTRASONIC, SONIC ORINFRASONIC WAVES
MEASURING
PHYSICS
TESTING
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creator ZHANG JINGHUA
QIAO XUEGUANG
WENG YINYAN
HU MANLI
ZHOU RUI
YANG YANG
FENG ZHONGYAO
ZHANG JING
description A fiber Bragg grating accelerometer based on a U-type cantilever structure is characterized in that: in a shell, a left bearing is arranged on a base plate left side and a right bearing is arranged on a base plate right side; a left through hole (a) is processed on left end wall of the shell and a right through hole (b) is processed on right end wall; an upper end surface and a lever are arranged on upper portions of the left bearing and the right bearing, wherein the lever is in a same plane with centers of the left through hole (a) and the right through hole (b); an upper end of the lever is provided with fiber Bragg gratings; a left pillar and a right pillar are arranged on the base plate which is under the lever and in the shell; a flat diaphragm is arranged between the left pillar and the right pillar and a mass block is arranged on the flat diaphragm, wherein the upper end of the mass block is connected with the lever. Using the invention can realized visualization observation of inside vibration. Volum
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subjects MEASUREMENT OF MECHANICAL VIBRATIONS OR ULTRASONIC, SONIC ORINFRASONIC WAVES
MEASURING
PHYSICS
TESTING
title Fiber Bragg grating accelerometer based on U-type cantilever structure
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