DE69838799D1 - Gerät zum messen einer dehnungskraft - Google Patents

Gerät zum messen einer dehnungskraft

Info

Publication number
DE69838799D1
DE69838799D1 DE69838799T DE69838799T DE69838799D1 DE 69838799 D1 DE69838799 D1 DE 69838799D1 DE 69838799 T DE69838799 T DE 69838799T DE 69838799 T DE69838799 T DE 69838799T DE 69838799 D1 DE69838799 D1 DE 69838799D1
Authority
DE
Germany
Prior art keywords
measuring
stretching force
stretching
force
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Lifetime
Application number
DE69838799T
Other languages
English (en)
Inventor
Ame Berg
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Alcatel Submarine Networks Norway AS
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 DE69838799D1 publication Critical patent/DE69838799D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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)
DE69838799T 1997-12-05 1998-12-03 Gerät zum messen einer dehnungskraft Expired - Lifetime DE69838799D1 (de)

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 (en) 1997-12-05 1998-12-03 Device for measuring a bending load

Publications (1)

Publication Number Publication Date
DE69838799D1 true DE69838799D1 (de) 2008-01-10

Family

ID=19901415

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69838799T Expired - Lifetime DE69838799D1 (de) 1997-12-05 1998-12-03 Gerät zum messen einer dehnungskraft

Country Status (6)

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

Families Citing this family (30)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NO310125B1 (no) 1999-05-06 2001-05-21 Leiv Eiriksson Nyfotek As System for overvåking av höyspentkabler i luftstrekk
US6471710B1 (en) 1999-08-13 2002-10-29 Advanced Sensor Technology, Llc Probe position sensing system and method of employment of same
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 (en) * 2003-10-02 2007-08-21 Fulgor Greek Electric Cables S.A. Flexible factory joint for metallic tubes which enclose loosely inside them optical fibers and its method of construction
PL1709416T3 (pl) * 2004-01-23 2018-08-31 Lm Wind Power International Technology Ii Aps Urządzenie zawierające układ przystosowany do stosowania przy kompensacji temperatury przy pomiarach odkształcenia w konstrukcjach wzmacnianych włóknami
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
WO2008090348A1 (en) * 2007-01-24 2008-07-31 Gkn Aerospace Services Limited Temperature sensing
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
KR20160002949A (ko) * 2013-04-26 2016-01-08 비코 홀딩 아게 길이방향-변형-유도 자켓들 및 센서 시스템들 및 이러한 센서들을 포함하는 구조들을 구비하는 섬유-격자 센서들
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

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
DE69513937T2 (de) * 1994-11-17 2000-07-20 Alcatel, Paris Verfahren zum Messen und Detektieren physikalischer Grössen unter Verwendung eines Mehrpunktsensors
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
NO975657L (no) 1999-06-07
WO1999032862A1 (en) 1999-07-01
EP1040331A1 (de) 2000-10-04
EP1040331B1 (de) 2007-11-28
US6384404B1 (en) 2002-05-07
DK1040331T3 (da) 2008-03-31
NO307314B1 (no) 2000-03-13

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Legal Events

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