JP2016540188A - 最大歪率測定のためのfbgセンサ、その製造方法及び使用方法 - Google Patents
最大歪率測定のためのfbgセンサ、その製造方法及び使用方法 Download PDFInfo
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- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 1
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- WATWJIUSRGPENY-UHFFFAOYSA-N antimony atom Chemical compound [Sb] WATWJIUSRGPENY-UHFFFAOYSA-N 0.000 description 1
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- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910052738 indium Inorganic materials 0.000 description 1
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Classifications
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- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L1/00—Measuring force or stress, in general
- G01L1/24—Measuring force or stress, in general by measuring variations of optical properties of material when it is stressed, e.g. by photoelastic stress analysis using infrared, visible light, ultraviolet
- G01L1/242—Measuring force or stress, in general by measuring variations of optical properties of material when it is stressed, e.g. by photoelastic stress analysis using infrared, visible light, ultraviolet the material being an optical fibre
- G01L1/246—Measuring force or stress, in general by measuring variations of optical properties of material when it is stressed, e.g. by photoelastic stress analysis using infrared, visible light, ultraviolet the material being an optical fibre using integrated gratings, e.g. Bragg gratings
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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
- G01B1/00—Measuring instruments characterised by the selection of material therefor
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- G—PHYSICS
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- 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
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- 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
- 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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- 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
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- 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
- G01D5/35306—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 using an interferometer arrangement
- G01D5/35309—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 using an interferometer arrangement using multiple waves interferometer
- G01D5/35316—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 using an interferometer arrangement using multiple waves interferometer using a Bragg gratings
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- 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
- G01D5/3537—Optical fibre sensor using a particular arrangement of the optical fibre itself
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K11/00—Measuring temperature based upon physical or chemical changes not covered by groups G01K3/00, G01K5/00, G01K7/00 or G01K9/00
- G01K11/32—Measuring temperature based upon physical or chemical changes not covered by groups G01K3/00, G01K5/00, G01K7/00 or G01K9/00 using changes in transmittance, scattering or luminescence in optical fibres
- G01K11/3206—Measuring temperature based upon physical or chemical changes not covered by groups G01K3/00, G01K5/00, G01K7/00 or G01K9/00 using changes in transmittance, scattering or luminescence in optical fibres at discrete locations in the fibre, e.g. using Bragg scattering
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L1/00—Measuring force or stress, in general
- G01L1/24—Measuring force or stress, in general by measuring variations of optical properties of material when it is stressed, e.g. by photoelastic stress analysis using infrared, visible light, ultraviolet
- G01L1/242—Measuring force or stress, in general by measuring variations of optical properties of material when it is stressed, e.g. by photoelastic stress analysis using infrared, visible light, ultraviolet the material being an optical fibre
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- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M11/00—Testing of optical apparatus; Testing structures by optical methods not otherwise provided for
- G01M11/08—Testing mechanical properties
- G01M11/083—Testing mechanical properties by using an optical fiber in contact with the device under test [DUT]
- G01M11/085—Testing mechanical properties by using an optical fiber in contact with the device under test [DUT] the optical fiber being on or near the surface of the DUT
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M5/00—Investigating the elasticity of structures, e.g. deflection of bridges or air-craft wings
- G01M5/0033—Investigating the elasticity of structures, e.g. deflection of bridges or air-craft wings by determining damage, crack or wear
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
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- G01N21/84—Systems specially adapted for particular applications
- G01N21/88—Investigating the presence of flaws or contamination
- G01N21/8806—Specially adapted optical and illumination features
Abstract
Description
図1は、本発明の第1の実施例によるFBGセンサ10の斜視図であり、図2は、図1におけるА-Аに沿った断面図である。図1及び図2に示しているように、光ファイバ130の中間部分にFBGセンサ150が位置する。このようなFBGセンサ150を中心に、上下に第1、2の金属箔100、120が接する。第1、2の金属箔100、120と光ファイバ130とは、接着層140によって緻密に接合される。
以下では、前記のような構成を有する第1、2の実施例の製造方法について、添付の図面を参照して具体的に説明する。
図7は、本発明の一実施例によるFBGセンサの製造方法を示すフローチャートである。図7に示しているように、周辺で容易に求められる厚み約18μmのアルミニウムホイル(第1の金属箔100)と、長さ約1cmのFBGセンサ150が内蔵した光ファイバ130とを用意する。その後、アルミニウムホイル(第1の金属箔100)の一面に接着剤を塗布して、接着層140を形成する(S100)。
以下では、前記のような第1、2の実施例を用いて最大歪率を測定する使用方法について、添付の図面を参照して詳述する。まず、最大歪率と残留歪率の間の感度係数(Csen)を、以下のように定義する。
Claims (10)
- 内部にFBGセンサが設けられた光ファイバと、
一面に前記光ファイバが接する第1の金属箔と、
前記一面に接する第2の金属箔と、
前記第1、2の金属箔の間に設けられる接着層と、
前記FBGセンサにより、前記第1、2の金属箔の残留歪率を測定する手段と、
前記測定された残留歪率の値と、実験で求めた感度係数(Csen)とに基づいて、最大歪率を算出する手段と、を含むことを特徴とする最大歪率測定のためのFBGセンサ。 - 前記第1、2の金属箔の少なくとも1つは、アルミニウムホイルであることを特徴とする請求項1に記載の最大歪率測定のためのFBGセンサ。
- 前記第1、2の金属箔の少なくとも1つの厚みは、10μm〜30μmであることを特徴とする請求項1に記載の最大歪率測定のためのFBGセンサ。
- 前記第1、2の金属箔の少なくとも1つは、前記光ファイバの長さ方向に沿って、方形であることを特徴とする請求項1に記載の最大歪率測定のためのFBGセンサ。
- 前記光ファイバは、前記第1、2の金属箔の少なくとも1つの中心線上に位置することを特徴とする請求項1に記載の最大歪率測定のためのFBGセンサ。
- 前記第1、2の金属箔のいずれかの一面と測定対象とを連結するためのブラケットを、更に含むことを特徴とする請求項1に記載の最大歪率測定のためのFBGセンサ。
- 前記ブラケットは、前記FBGセンサを中心に対称的に位置する一対のブラケットであることを特徴とする請求項6に記載の最大歪率測定のためのFBGセンサ。
- 第1の金属箔の一面に接着剤を塗布して、接着層を成膜するステップと、
前記接着剤の上にFBGセンサが設けられた光ファイバを接着させるステップと、
前記第1の金属箔の一面に第2の金属箔を接着させるステップと、を含むことを特徴とする最大歪率測定のためのFBGセンサの製造方法。 - 前記第1、2の金属箔を所望する形状に切り出すステップを、更に含むことを特徴とする請求項8に記載の最大歪率測定のためのFBGセンサの製造方法。
- 第1の金属箔の一面に接着剤を塗布して接着層を成膜するステップと、前記接着剤上にFBGセンサが設けられた光ファイバを接着させるステップと、前記第1の金属箔の一面に第2の金属箔を接着させるステップと、前記第1、2の金属箔を所望する形状に切り出すステップとにより製造されたFBGセンサを、測定対象に取り付けるステップと、
前記測定対象が変形する間、又は変形後、前記光ファイバに所定の入力信号を入力させるステップと、
前記入力信号に基づく前記FBGセンサの出力信号を測定するステップと、
前記出力信号に基づき、前記測定対象の残留歪率を測定するステップと、
測定された残留歪率の値と、実験で求めた感度係数(Csen)とを用いて、最大歪率を算出するステップと、を含むことを特徴とする最大歪率測定のためのFBGセンサの使用方法。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR10-2013-0117106 | 2013-10-01 | ||
KR1020130117106A KR101465156B1 (ko) | 2013-10-01 | 2013-10-01 | 최대 변형률 측정을 위한 fbg 센서, 제조방법 및 사용방법 |
PCT/KR2014/009159 WO2015050355A1 (ko) | 2013-10-01 | 2014-09-30 | 최대 변형률 측정을 위한 fbg 센서, 제조방법 및 사용방법 |
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JP2016540188A true JP2016540188A (ja) | 2016-12-22 |
JP6139026B2 JP6139026B2 (ja) | 2017-05-31 |
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JP2016519340A Active JP6139026B2 (ja) | 2013-10-01 | 2014-09-30 | 最大歪率測定のためのfbgセンサ、その製造方法及び使用方法 |
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US (1) | US9791335B2 (ja) |
JP (1) | JP6139026B2 (ja) |
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CN (1) | CN105683705B (ja) |
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CN107300363A (zh) * | 2016-05-12 | 2017-10-27 | 中国计量大学 | 一种正四面体光纤光栅三维应变检测结构体 |
CA2967991A1 (en) * | 2016-05-19 | 2017-11-19 | Kidde Technologies, Inc. | Optical health monitoring for aircraft overheat and fire detection systems |
CN106013276A (zh) * | 2016-07-04 | 2016-10-12 | 中国电建集团华东勘测设计研究院有限公司 | 海上风机大直径钢管桩应力应变测试系统及施工方法 |
DE102016014280B4 (de) * | 2016-11-30 | 2018-07-12 | Hottinger Baldwin Messtechnik Gmbh | Anschweißbare FBG-Dehnungssensoranordnung |
US10782191B2 (en) * | 2018-03-06 | 2020-09-22 | Kidde Technologies, Inc. | Method to isolate individual channels in a multi-channel fiber optic event detection system |
JP6873073B2 (ja) * | 2018-03-08 | 2021-05-19 | 三菱重工業株式会社 | 評価方法及び評価システム |
AT522927B1 (de) * | 2019-08-23 | 2022-04-15 | Ait Austrian Inst Tech Gmbh | Verfahren zur Detektion der maximalen Ausdehnung von Rissen in einem Objekt |
US11682282B2 (en) | 2020-02-10 | 2023-06-20 | Kidde Technologies, Inc. | Fiber Bragg grating-based advance pneumatic fire/overheat detector |
JP7334664B2 (ja) * | 2020-04-02 | 2023-08-29 | 株式会社島津製作所 | 応力発光測定方法および応力発光測定装置 |
CN111579051A (zh) * | 2020-05-18 | 2020-08-25 | 武汉理工大学 | 一种光纤覆金属箔的水声压增敏装置 |
CN114509016B (zh) * | 2021-12-24 | 2024-03-29 | 北京遥测技术研究所 | 一种高温efpi型光纤应变传感器及其制备方法 |
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CN105683705B (zh) | 2019-04-16 |
JP6139026B2 (ja) | 2017-05-31 |
DE112014004544T5 (de) | 2016-07-07 |
KR101465156B1 (ko) | 2014-11-26 |
CN105683705A (zh) | 2016-06-15 |
US9791335B2 (en) | 2017-10-17 |
DE112014004544B4 (de) | 2021-12-16 |
US20160216166A1 (en) | 2016-07-28 |
WO2015050355A1 (ko) | 2015-04-09 |
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