BR112019000308A2 - disposição de sensor de deformação de fbg conectável por solda - Google Patents

disposição de sensor de deformação de fbg conectável por solda

Info

Publication number
BR112019000308A2
BR112019000308A2 BR112019000308A BR112019000308A BR112019000308A2 BR 112019000308 A2 BR112019000308 A2 BR 112019000308A2 BR 112019000308 A BR112019000308 A BR 112019000308A BR 112019000308 A BR112019000308 A BR 112019000308A BR 112019000308 A2 BR112019000308 A2 BR 112019000308A2
Authority
BR
Brazil
Prior art keywords
protective cover
sensor
optical fiber
strain sensor
fbg strain
Prior art date
Application number
BR112019000308A
Other languages
English (en)
Other versions
BR112019000308B1 (pt
Inventor
Günther Bernd
Manuel Moita Araújo Francisco
Maul Jochen
Marta Cabral Bobião Girão Maria
Kipp Tobias
Original Assignee
Hottinger Baldwin Messtechnik Gmbh
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Hottinger Baldwin Messtechnik Gmbh filed Critical Hottinger Baldwin Messtechnik Gmbh
Publication of BR112019000308A2 publication Critical patent/BR112019000308A2/pt
Publication of BR112019000308B1 publication Critical patent/BR112019000308B1/pt

Links

Classifications

    • 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
    • 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
    • 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
    • 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
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/02—Optical fibres with cladding with or without a coating
    • G02B6/02057—Optical fibres with cladding with or without a coating comprising gratings
    • G02B6/02076—Refractive index modulation gratings, e.g. Bragg gratings
    • G02B6/02209—Mounting means, e.g. adhesives, casings
    • 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
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Length Measuring Devices By Optical Means (AREA)
  • Optical Transform (AREA)

Abstract

a presente invenção refere-se a uma disposição de sensor de deformação de fbg (1) com um suporte de sensor (4) de chapa de aço e pelo menos um sensor de deformação de fbg (2), está caracterizado pelo fato de que o sensor de deformação de fbg (2) apresenta uma fibra ótica com duas seções terminais, entre as quais está prevista pelo menos uma grade de bragg. em cada uma das seções terminais está acoplada uma linha de sinais (3a, 3b) para retransmissão do sinal de medição. além disso, está prevista uma cobertura de proteção (5), que apresenta as seguintes características: ao longo da fibra ótica a cobertura de proteção (5) está formada de modo fino e estreito e colada com o suporte de sensor (4), de modo que a fibra ótica está fixada sobre o suporte de sensor (4). em cada uma das duas seções terminais da fibra ótica a cobertura de proteção está realizada de modo ampliado, de modo que abaixo está formado um espaço oco. as bordas da cobertura de proteção ampliada também estão coladas com o suporte de sensor (4). no espaço oco abaixo da cobertura de proteção (5) ampliada está disposto um corpo de enchimento (6) elástico, que encaixa o ponto de acoplamento com amortecimento de trepidações.
BR112019000308-8A 2016-11-30 2017-07-24 Disposição de sensor de deformação de fbg conectável por solda BR112019000308B1 (pt)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE102016014280.4A DE102016014280B4 (de) 2016-11-30 2016-11-30 Anschweißbare FBG-Dehnungssensoranordnung
DE102016014280.4 2016-11-30
PCT/DE2017/000225 WO2018099501A1 (de) 2016-11-30 2017-07-24 ANSCHWEIßBARE FBG-DEHNUNGSSENSORANORDNUNG

Publications (2)

Publication Number Publication Date
BR112019000308A2 true BR112019000308A2 (pt) 2019-06-18
BR112019000308B1 BR112019000308B1 (pt) 2023-04-04

Family

ID=60042926

Family Applications (1)

Application Number Title Priority Date Filing Date
BR112019000308-8A BR112019000308B1 (pt) 2016-11-30 2017-07-24 Disposição de sensor de deformação de fbg conectável por solda

Country Status (11)

Country Link
US (1) US10584959B2 (pt)
EP (1) EP3465077B1 (pt)
JP (1) JP6771100B2 (pt)
KR (1) KR102185148B1 (pt)
CN (1) CN109997012B (pt)
BR (1) BR112019000308B1 (pt)
DE (1) DE102016014280B4 (pt)
DK (1) DK3465077T3 (pt)
ES (1) ES2798084T3 (pt)
PT (1) PT3465077T (pt)
WO (1) WO2018099501A1 (pt)

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CN111964603A (zh) * 2020-09-15 2020-11-20 中北大学 一种基于光杠杆的光纤布拉格光栅应变传感器的标定方法
CN113218319B (zh) * 2021-05-06 2023-06-23 桂林理工大学 光纤光栅应变传感器压拉转换与灵敏度增强装置及其使用方法
RU2771446C1 (ru) * 2021-07-06 2022-05-04 Акционерное общество "Концерн "Центральный научно-исследовательский институт "Электроприбор" Чувствительный элемент волоконно-оптического тензометрического датчика для измерения продольного механического натяжения и способ измерения продольного механического натяжения объекта волоконно-оптическим тензометрическим датчиком
CN114199156B (zh) * 2021-12-15 2023-08-25 桂林航天工业学院 一种基于双fbg形状传感器的翼型曲面形状重构方法
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Also Published As

Publication number Publication date
DK3465077T3 (da) 2020-06-29
US20190277627A1 (en) 2019-09-12
DE102016014280B4 (de) 2018-07-12
KR102185148B1 (ko) 2020-12-02
CN109997012B (zh) 2021-07-20
US10584959B2 (en) 2020-03-10
DE102016014280A1 (de) 2018-05-30
PT3465077T (pt) 2020-06-26
ES2798084T3 (es) 2020-12-09
KR20190089181A (ko) 2019-07-30
WO2018099501A1 (de) 2018-06-07
BR112019000308B1 (pt) 2023-04-04
JP2020503494A (ja) 2020-01-30
EP3465077B1 (de) 2020-03-25
EP3465077A1 (de) 2019-04-10
JP6771100B2 (ja) 2020-10-21
CN109997012A (zh) 2019-07-09

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Legal Events

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B350 Update of information on the portal [chapter 15.35 patent gazette]
B06W Patent application suspended after preliminary examination (for patents with searches from other patent authorities) chapter 6.23 patent gazette]
B09A Decision: intention to grant [chapter 9.1 patent gazette]
B16A Patent or certificate of addition of invention granted [chapter 16.1 patent gazette]

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