DK1040331T3 - Indretning til måling af en böjningsbelastning - Google Patents
Indretning til måling af en böjningsbelastningInfo
- 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
Links
- 238000005452 bending Methods 0.000 title 1
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)
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 |
---|---|
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 (no) |
EP (1) | EP1040331B1 (no) |
DE (1) | DE69838799D1 (no) |
DK (1) | DK1040331T3 (no) |
NO (1) | NO307314B1 (no) |
WO (1) | WO1999032862A1 (no) |
Families Citing this family (30)
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 |
WO2002046712A1 (en) * | 2000-12-07 | 2002-06-13 | Nanyang Technological University | 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 |
US7813598B2 (en) * | 2004-01-23 | 2010-10-12 | Lm Glasfiber A/S | Device including a system adapted for use in temperature compensation of strain measurements in fibre-reinforced structures |
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 |
WO2010138813A2 (en) * | 2009-05-29 | 2010-12-02 | 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 |
CA2909544A1 (en) * | 2013-04-26 | 2014-10-30 | Wicor Holding Ag | Fiber-grating sensors having longitudinal-strain-inducing jackets and sensor systems and structures including such sensors |
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)
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 |
-
1997
- 1997-12-05 NO NO19975657A patent/NO307314B1/no not_active IP Right Cessation
-
1998
- 1998-12-03 DE DE69838799T patent/DE69838799D1/de not_active Expired - Lifetime
- 1998-12-03 US US09/555,504 patent/US6384404B1/en not_active Expired - Lifetime
- 1998-12-03 EP EP98967075A patent/EP1040331B1/en not_active Expired - Lifetime
- 1998-12-03 WO PCT/NO1998/000359 patent/WO1999032862A1/en active IP Right Grant
- 1998-12-03 DK DK98967075T patent/DK1040331T3/da active
Also Published As
Publication number | Publication date |
---|---|
NO975657D0 (no) | 1997-12-05 |
EP1040331B1 (en) | 2007-11-28 |
US6384404B1 (en) | 2002-05-07 |
EP1040331A1 (en) | 2000-10-04 |
WO1999032862A1 (en) | 1999-07-01 |
DE69838799D1 (de) | 2008-01-10 |
NO307314B1 (no) | 2000-03-13 |
NO975657L (no) | 1999-06-07 |
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