JPWO2015080222A1 - 歪みセンサ及び歪みセンサの製造方法 - Google Patents
歪みセンサ及び歪みセンサの製造方法 Download PDFInfo
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- JPWO2015080222A1 JPWO2015080222A1 JP2015550996A JP2015550996A JPWO2015080222A1 JP WO2015080222 A1 JPWO2015080222 A1 JP WO2015080222A1 JP 2015550996 A JP2015550996 A JP 2015550996A JP 2015550996 A JP2015550996 A JP 2015550996A JP WO2015080222 A1 JPWO2015080222 A1 JP WO2015080222A1
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 9
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
- G01B11/16—Measuring arrangements characterised by the use of optical techniques for measuring the deformation in a solid, e.g. optical strain gauge
- G01B11/165—Measuring arrangements characterised by the use of optical techniques for measuring the deformation in a solid, e.g. optical strain gauge by means of a grating deformed by the object
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D5/00—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable
- G01D5/26—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light
- G01D5/32—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light with attenuation or whole or partial obturation of beams of light
- G01D5/34—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light with attenuation or whole or partial obturation of beams of light the beams of light being detected by photocells
- G01D5/353—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light with attenuation or whole or partial obturation of beams of light the beams of light being detected by photocells influencing the transmission properties of an optical fibre
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
- G01B11/16—Measuring arrangements characterised by the use of optical techniques for measuring the deformation in a solid, e.g. optical strain gauge
- G01B11/18—Measuring arrangements characterised by the use of optical techniques for measuring the deformation in a solid, e.g. optical strain gauge using photoelastic elements
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- General Physics & Mathematics (AREA)
- Length Measuring Devices By Optical Means (AREA)
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Abstract
Description
11、16、121 ベース部材
11a〜11c、16a〜16c、17a〜17c 島状部
18a〜18c、20a〜20c、121a〜121c 島状部
12、12a〜12i、18、19a〜19c、122a〜122c 支持部材
13 光ファイバ
14 固定材
13a〜13f ファイバ部分
15、15a〜15c FBG部
26、27 連結部(連結梁)
71 連結用部材
72a〜72c スペーサ部(連結部)
101 被巻付部材配置領域
102 被巻付部材
140 連結用部材(連結部)
Claims (8)
- ベース部材と、
前記ベース部材から突出する状態で設けられ、光ファイバが巻き付けられる複数の支持部材と、
前記ベース部材と対向する方向から見て、前記支持部材間で、互いに異なる方向を向いた部分を有する状態で設けられた1又は複数本の前記光ファイバと、
前記支持部材間の部分に張力が付与された状態で前記光ファイバを前記支持部材に固定する固定材と、
を備える歪みセンサ。 - ベース部材と、
前記ベース部材から突出する状態で設けられた複数の支持部材と、
前記ベース部材と対向する方向から見て、前記支持部材間で、互いに異なる方向を向いた部分を有する状態で設けられた1又は複数本の光ファイバと、
前記支持部材間の部分に張力が付与された状態で前記光ファイバを前記支持部材に固定する固定材と、
前記支持部材と隣り合う位置に設けられ、前記張力を付与する際に前記光ファイバが巻き付けられる被巻付部材が一時的に配置される被巻付部材配置領域と、
を備える歪みセンサ。 - 前記ベース部材と対向する方向から見て、前記支持部材は回転対称となる状態に配置されるとともに、前記光ファイバが前記支持部材の対称点の近傍を通過する状態で配置される請求項1又は請求項2記載の歪みセンサ。
- 前記ベース部材と対向する方向から見て、前記光ファイバが前記支持部材の外縁を包絡する状態で配置される請求項1又は請求項2記載の歪みセンサ。
- 前記光ファイバにおいて、前記支持部材間で互いに異なる方向を向いた部分にFBG(Fiber Bragg Grating)部が設けられる請求項1から請求項4のいずれか1項に記載の歪みセンサ。
- 前記ベース部材は、前記各支持部材がそれぞれ設けられた複数の島状部と、
前記各島状部分を分離可能に連結する連結部と、
を備える、請求項1から請求項5のいずれか1項に記載の歪みセンサ。 - 前記連結部は、前記島状部とは別体の部材として構成されるとともに、前記各島状部間の間隔を予め指定された間隔に維持するスペーサ部を備える、請求項6に記載の歪みセンサ。
- ベース部材に突出する状態で設けられた複数の支持部材のそれぞれに隣り合う状態で、被巻付部材を配置するステップと、
光ファイバを、前記被巻付部材と前記支持部材とにより構成される部分、又は前記被巻付部材に巻き付けるとともに、前記ベース部材と対向する方向から見て、前記支持部材間で互いに異なる方向を向いた部分を有する状態で配置するステップと、
前記支持部材間の部分に張力が付与された状態で前記光ファイバを前記支持部材に固定するステップと、
前記光ファイバが前記支持部材に固定された後、前記被巻付部材を離脱するステップと、
を有する歪みセンサの製造方法。
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JP2013248786 | 2013-12-01 | ||
JP2013248786 | 2013-12-01 | ||
PCT/JP2014/081445 WO2015080222A1 (ja) | 2013-12-01 | 2014-11-27 | 歪みセンサ及び歪みセンサの製造方法 |
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JPWO2015080222A1 true JPWO2015080222A1 (ja) | 2017-03-16 |
JP6523178B2 JP6523178B2 (ja) | 2019-05-29 |
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US (1) | US10113862B2 (ja) |
EP (1) | EP2990755B1 (ja) |
JP (1) | JP6523178B2 (ja) |
WO (1) | WO2015080222A1 (ja) |
Families Citing this family (5)
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FR3014200B1 (fr) * | 2013-12-02 | 2017-05-26 | Commissariat Energie Atomique | Controle de structure industrielle |
NL2021989B1 (en) | 2018-11-13 | 2020-05-20 | Compass Instr Ci B V | Optical fiber sensing device having a symmetric optical fiber arrangement |
CN215810694U (zh) * | 2021-05-10 | 2022-02-11 | 上海电力大学 | 铁塔应力应变监测杆件 |
CN114894109B (zh) * | 2022-02-09 | 2023-10-17 | 重庆交通大学 | 隧道应变信息获取方法及相关装置 |
GB202209626D0 (en) * | 2022-06-30 | 2022-08-17 | Univ Oxford Innovation Ltd | Multiple-axis force sensor |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH11513806A (ja) * | 1995-10-26 | 1999-11-24 | ビーアイシーシー パブリック リミテッド カンパニー | ひずみ計 |
JP2002062120A (ja) * | 2000-08-16 | 2002-02-28 | Hitachi Cable Ltd | 光ファイバグレーティングの実装構造 |
JP2008224635A (ja) * | 2007-03-16 | 2008-09-25 | Tobishima Corp | 光ファイバケーブルセンサ計測装置用固定治具 |
JP2011080923A (ja) * | 2009-10-09 | 2011-04-21 | Dai Ichi High Frequency Co Ltd | 光ファイバセンサ |
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DE8901113U1 (ja) * | 1989-02-02 | 1990-03-01 | Felten & Guilleaume Energietechnik Ag, 5000 Koeln, De | |
FR2727203B1 (fr) * | 1994-11-18 | 1996-12-13 | Commissariat Energie Atomique | Micro-systeme optique de type rosette de jauges de contraintes a guides dielectriques pour la mesure d'une contrainte longitudinale en structure plane |
GB9824756D0 (en) | 1998-11-11 | 1999-01-06 | Europ Economic Community | A strain sensor and strain sensing apparatus |
JP2001281462A (ja) * | 2000-03-30 | 2001-10-10 | Sumitomo Electric Ind Ltd | 光ファイバ固定具 |
JP2006126041A (ja) * | 2004-10-29 | 2006-05-18 | Fujikura Ltd | センシング用光ファイバの支持方法、及びその方法に用いる取付具 |
US20070193362A1 (en) | 2006-02-06 | 2007-08-23 | Ferguson Stephen K | Fiber optic strain gage |
WO2010030587A2 (en) * | 2008-09-10 | 2010-03-18 | Lake Shore Cryotronics, Inc. | Compact fiber optic sensors and method of making same |
US8701500B2 (en) * | 2011-12-02 | 2014-04-22 | Lake Shore Cryotronics, Inc. | Method and apparatus for fixing strained optical fibers against creep and temperature and strain sensors using said technology |
EP2990756B1 (en) * | 2013-12-27 | 2019-08-21 | Cmiws Co., Ltd. | Strain sensor and strain sensor installation method |
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- 2014-11-27 US US14/890,327 patent/US10113862B2/en active Active
- 2014-11-27 JP JP2015550996A patent/JP6523178B2/ja active Active
- 2014-11-27 EP EP14866716.5A patent/EP2990755B1/en active Active
- 2014-11-27 WO PCT/JP2014/081445 patent/WO2015080222A1/ja active Application Filing
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH11513806A (ja) * | 1995-10-26 | 1999-11-24 | ビーアイシーシー パブリック リミテッド カンパニー | ひずみ計 |
JP2002062120A (ja) * | 2000-08-16 | 2002-02-28 | Hitachi Cable Ltd | 光ファイバグレーティングの実装構造 |
JP2008224635A (ja) * | 2007-03-16 | 2008-09-25 | Tobishima Corp | 光ファイバケーブルセンサ計測装置用固定治具 |
JP2011080923A (ja) * | 2009-10-09 | 2011-04-21 | Dai Ichi High Frequency Co Ltd | 光ファイバセンサ |
Also Published As
Publication number | Publication date |
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US10113862B2 (en) | 2018-10-30 |
EP2990755B1 (en) | 2021-02-17 |
US20160138909A1 (en) | 2016-05-19 |
EP2990755A4 (en) | 2016-06-15 |
JP6523178B2 (ja) | 2019-05-29 |
EP2990755A1 (en) | 2016-03-02 |
WO2015080222A1 (ja) | 2015-06-04 |
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