FIBRE BRAGG GRATING VIBRATION SENSOR AND VIBRATION MEASUREMENT ELEMENT THEREOF

Title:

FIBRE BRAGG GRATING VIBRATION SENSOR AND VIBRATION MEASUREMENT ELEMENT THEREOF

Document Type and Number:

WIPO Patent Application WO/2016/029814

Kind Code:

A1

Abstract:

A fibre bragg grating vibration sensor (100), comprising a base (120), vibration measurement elements (141, 142, 143) and fibre bragg gratings (171, 172, 173), wherein the vibration measurement element comprises a cantilever beam (200), and a first lug boss (211) and a second lug boss (212) which are axially arranged along the cantilever beam (200), one end of the vibration measurement elements (141, 142, 143) at the side of the first lug boss (211) is fixedly mounted on the base (120), one end of the vibration measurement elements at the side of the second lug boss (212) hangs in the air, and the fibre bragg gratings (171, 172, 173) are axially encapsulated on the vibration measurement elements (141, 142, 143) to sense the vibration of the vibration measurement elements (141, 142, 143).

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Inventors:

MAO XIANHUI (CN)
JIANG TING (CN)
ZHAI JIANGLAN (CN)
CONG YUSHU (CN)

Application Number:

PCT/CN2015/087494

Publication Date:

March 03, 2016

Filing Date:

August 19, 2015

Export Citation:

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Assignee:

NUCTECH CO LTD (CN)

International Classes:

G01M7/02; G01H9/00

Foreign References:

CN204165644U	2015-02-18
CN102080986A	2011-06-01
CN101210937A	2008-07-02
CN103344317A	2013-10-09
CN103465934A	2013-12-25
CN2812009Y	2006-08-30

Other References: