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DK1040331T3 - Indretning til måling af en böjningsbelastning - Google Patents

Indretning til måling af en böjningsbelastning

Info

Publication number
DK1040331T3
DK1040331T3 DK98967075T DK98967075T DK1040331T3 DK 1040331 T3 DK1040331 T3 DK 1040331T3 DK 98967075 T DK98967075 T DK 98967075T DK 98967075 T DK98967075 T DK 98967075T DK 1040331 T3 DK1040331 T3 DK 1040331T3
Authority
DK
Denmark
Prior art keywords
measuring
bending load
bending
load
Prior art date
Application number
DK98967075T
Other languages
Danish (da)
English (en)
Inventor
Ame Berg
Original Assignee
Optoplan As
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 Optoplan As filed Critical Optoplan As
Application granted granted Critical
Publication of DK1040331T3 publication Critical patent/DK1040331T3/da

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
    • G01B11/18—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
    • 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
    • G01D5/35383—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 multiple sensor devices using multiplexing techniques
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optical Transform (AREA)
DK98967075T 1997-12-05 1998-12-03 Indretning til måling af en böjningsbelastning DK1040331T3 (da)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NO19975657A NO307314B1 (no) 1997-12-05 1997-12-05 Anordning for registrering av boyebelastning
PCT/NO1998/000359 WO1999032862A1 (fr) 1997-12-05 1998-12-03 Capteurs a fibres optiques

Publications (1)

Publication Number Publication Date
DK1040331T3 true DK1040331T3 (da) 2008-03-31

Family

ID=19901415

Family Applications (1)

Application Number Title Priority Date Filing Date
DK98967075T DK1040331T3 (da) 1997-12-05 1998-12-03 Indretning til måling af en böjningsbelastning

Country Status (6)

Country Link
US (1) US6384404B1 (fr)
EP (1) EP1040331B1 (fr)
DE (1) DE69838799D1 (fr)
DK (1) DK1040331T3 (fr)
NO (1) NO307314B1 (fr)
WO (1) WO1999032862A1 (fr)

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* Cited by examiner, † Cited by third party
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NO310125B1 (no) 1999-05-06 2001-05-21 Leiv Eiriksson Nyfotek As System for overvåking av höyspentkabler i luftstrekk
AU6639900A (en) * 1999-08-13 2001-03-13 Advanced Sensor Technologies Llc Probe position sensing system for use in a coordinate measuring machine
US6600149B2 (en) * 1999-12-27 2003-07-29 Whitten L. Schulz Fiber grating environmental sensing system
JP3519333B2 (ja) * 2000-02-10 2004-04-12 エヌ・ティ・ティ・アドバンステクノロジ株式会社 光ファイバセンサ
US7027672B2 (en) * 2000-12-07 2006-04-11 Ntu Ventures Private Limited Fiber optic force sensor
BE1013983A3 (nl) * 2001-02-27 2003-01-14 Voet Marc Optische kabel voor het meten van temperatuur en/of rek.
FR2823299B1 (fr) * 2001-04-04 2003-09-19 Commissariat Energie Atomique Extensometre a longue base, a fibre optique tendue et reseau de bragg, et procede de fabrication de cet extensometre
GB0127497D0 (en) * 2001-11-15 2002-01-09 Secr Defence Strain sensor
FR2844576B1 (fr) 2002-09-18 2004-11-12 Coflexip Procede et dispositif de surveillance de la tenu d'une conduite flexible au niveau d'un embout terminal
US6840114B2 (en) * 2003-05-19 2005-01-11 Weatherford/Lamb, Inc. Housing on the exterior of a well casing for optical fiber sensors
CA2443876C (fr) * 2003-10-02 2007-08-21 Fulgor Greek Electric Cables S.A. Joint souple fabrique en usine pour tubes metalliques contenant des fibres optiques detachees et methode de fabrication de ce joint
EP1709416B1 (fr) * 2004-01-23 2018-03-07 LM Wind Power International Technology II ApS Dispositif comprenant un systeme concu pour etre utilise dans la compensation thermique de mesures de contrainte dans des structures renforcees par des fibres
KR100666379B1 (ko) 2004-04-08 2007-01-10 박현수 광섬유격자 구조체 및 이를 적용한 구조물 변형 측정 장치 및 방법
US7411176B2 (en) * 2005-01-26 2008-08-12 National Central University Method and apparatus for examining corrosion of tendon embedded in concrete
JP2007108325A (ja) * 2005-10-12 2007-04-26 Oki Electric Ind Co Ltd 波長調整装置および波長調整方法
GB2440954B (en) * 2006-08-18 2008-12-17 Insensys Ltd Structural monitoring
JP5312346B2 (ja) * 2007-01-24 2013-10-09 ジーケイエヌ エアロスペース サービシイズ リミテッド 温度検出
KR101267261B1 (ko) 2008-10-09 2013-05-23 (주)카이센 에프비지 광섬유센서 온도 케이블
DE102009007142A1 (de) 2009-02-02 2010-08-05 Draka Industrial Cable Gmbh Faseroptische Messvorrichtung
US9109883B2 (en) * 2009-05-29 2015-08-18 The Board Of Trustees Of The University Of Illinois High resolution large displacement/crack sensor
GB201018538D0 (en) 2010-11-03 2010-12-15 Wellstream Int Ltd Parameter sensing
FR2998662B1 (fr) * 2012-11-23 2019-10-25 Airbus Operations Dispositif de mesure de deformation et implantation d'un tel dispositif dans un element
ITBO20130135A1 (it) * 2013-03-28 2014-09-29 Filippo Bastianini Sensore di deformazione con reticolo di bragg in fibra ottica termocompensato, resistenze agli urti, con sensibilita¿ registrabile e flangie orientabili
WO2014176522A1 (fr) * 2013-04-26 2014-10-30 Wicor Holding Ag Capteurs de réseau de fibres dotés de gaines induisant une déformation longitudinale et systèmes de capteur et structures comportant ces capteurs
CN103389176B (zh) * 2013-07-25 2015-08-12 国家电网公司 一种变压器绕组幅向应力测量装置和测量方法
CN103528950B (zh) * 2013-10-31 2016-03-02 闫楠 一种锚杆锚固体与风化岩体间粘结强度测试方法
US9370458B2 (en) 2014-11-06 2016-06-21 Donald Wem Personal lifting assembly
US10422637B1 (en) * 2016-06-10 2019-09-24 Facebook Technologies, Llc Wave reflection deformation sensing apparatus
DE102018214195A1 (de) * 2018-08-22 2020-03-19 Aktiebolaget Skf Verfahren zum Befestigen einer Faser mit einem Faser-Bragg-Sensorsegment an eine Komponente oder Lagervorrichtung mit einer derartigen Faser
CN110836643B (zh) * 2019-11-08 2021-07-30 中国人民解放军海军七0一工厂 一种曲面压电复合材料的温度弯曲形变的测量
CN116025827A (zh) * 2023-01-03 2023-04-28 江苏法尔胜光电科技有限公司 一种光纤光栅应力传感器的预张机构

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4761073A (en) * 1984-08-13 1988-08-02 United Technologies Corporation Distributed, spatially resolving optical fiber strain gauge
US5399854A (en) * 1994-03-08 1995-03-21 United Technologies Corporation Embedded optical sensor capable of strain and temperature measurement using a single diffraction grating
FI955511A7 (fi) * 1994-11-17 1996-05-18 Alcatel Cable Menetelmä fysikaalisten suureiden havaitsemiseksi ja/tai mittaamiseksi käyttäen hajautettua tunnistinta
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
US5591965A (en) * 1995-05-08 1997-01-07 Udd; Eric Multiparameter sensor system using a multiple grating fiber optic birefringent fiber
US5563967A (en) * 1995-06-07 1996-10-08 Mcdonnell Douglas Corporation Fiber optic sensor having a multicore optical fiber and an associated sensing method
US6246048B1 (en) * 1999-05-18 2001-06-12 Schlumberger Technology Corporation Methods and apparatus for mechanically enhancing the sensitivity of longitudinally loaded fiber optic sensors
US6337737B1 (en) * 2001-03-09 2002-01-08 Ciena Corporation Fiber-Bragg-grating-based strain measuring apparatus, system and method

Also Published As

Publication number Publication date
NO975657D0 (no) 1997-12-05
EP1040331A1 (fr) 2000-10-04
EP1040331B1 (fr) 2007-11-28
US6384404B1 (en) 2002-05-07
NO307314B1 (no) 2000-03-13
DE69838799D1 (de) 2008-01-10
WO1999032862A1 (fr) 1999-07-01
NO975657L (no) 1999-06-07

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