DK2780664T3 - FBG tøjningsføler for krumme overflader - Google Patents

FBG tøjningsføler for krumme overflader Download PDF

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Publication number
DK2780664T3
DK2780664T3 DK12805923.5T DK12805923T DK2780664T3 DK 2780664 T3 DK2780664 T3 DK 2780664T3 DK 12805923 T DK12805923 T DK 12805923T DK 2780664 T3 DK2780664 T3 DK 2780664T3
Authority
DK
Denmark
Prior art keywords
fbg
low friction
optical fiber
strain
fasteners
Prior art date
Application number
DK12805923.5T
Other languages
English (en)
Inventor
Jochen Maul
Tobias Kipp
Bernd Günther
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
Priority claimed from DE102011118526A external-priority patent/DE102011118526A1/de
Priority claimed from DE201110118527 external-priority patent/DE102011118527A1/de
Application filed by Hottinger Baldwin Messtechnik Gmbh filed Critical Hottinger Baldwin Messtechnik Gmbh
Application granted granted Critical
Publication of DK2780664T3 publication Critical patent/DK2780664T3/da

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Classifications

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

Claims (5)

1. FBG føler omfattende en optisk fiber (4) med et FBG (4a), hvor - den optiske fiber (4) er fastgjort imellem to fastgørelseselementer (5a, 5b), hvis undersider er tilvejebragt som klæbeflader, hvor den optiske fiber (4) og fastgørelseselementerne (5a, 5b) - er indlejrede i en beskyttelsesmasse (6) bestående af en blød silikonegummi eller et plastmateriale med tilsvarende mekaniske egenskaber og - fiberen (4) er indlejret imellem en øvre og nedre tynd lavfriktionsfilm (7, 8) fremstillet af Teflon eller af et plastmateriale med tilsvarende lav friktionskoefficient som Teflon, hvor - undersiden af lavfriktionsfilmen (7) ligger i et plan med klæbefladerne på fastgørelseselementerne (5a, 5b).
2. FBG føler omfattende en optisk fiber (4) med et FBG (4a), hvor - den optiske fiber (4) er fastgjort imellem to fastgørelseselementer (5a, 5b), hvis undersider er tilvejebragt som klæbeflader, hvor den optiske fiber (4) og fastgørelseselementerne (5a, 5b) - er indlejrede i en beskyttelsesmasse (6) bestående af en blød silikonegummi eller et plastmateriale med tilsvarende mekaniske egenskaber og - fiberen (4) er omgivet af en tynd lavfriktionsslange (9) fremstillet af Teflon eller et plastmateriale med tilsvarende lav friktionskoefficient som Teflon, hvor - den nedre udvendige overfladelinje for lavfriktionsslangen (9) ligger i et plan med klæbefladerne på fastgørelseselementerne (5a, 5b).
3. FBG føler ifølge krav 1, hvor lavfriktionsfilmene (7,8) er svejste eller limede ved deres kanter, og den øvre lavfriktionsfilm (8) er limet til beskyttelsesmassen (6).
4. FBG føler ifølge krav 2, hvor lavfriktionsslangen (9) er limet til beskyttelsesmassen (6).
5. FBG føler ifølge krav 1 eller 2, hvor adskillige optiske fibre (4) er fastgjort imellem fastgørelseselementerne (5a, 5b).
DK12805923.5T 2011-11-15 2012-11-15 FBG tøjningsføler for krumme overflader DK2780664T3 (da)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DE102011118526A DE102011118526A1 (de) 2011-11-15 2011-11-15 FBG-Dehnungssensor
DE201110118527 DE102011118527A1 (de) 2011-11-15 2011-11-15 FBG-Dehnungssensor mit erweitertem Temperaturbereich
DE102011118525 2011-11-15
PCT/DE2012/001095 WO2013071914A1 (de) 2011-11-15 2012-11-15 Fbg-dehnungssensor für gekrümmte oberflächen

Publications (1)

Publication Number Publication Date
DK2780664T3 true DK2780664T3 (da) 2018-01-08

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
DK12805923.5T DK2780664T3 (da) 2011-11-15 2012-11-15 FBG tøjningsføler for krumme overflader

Country Status (9)

Country Link
US (1) US10132700B2 (da)
EP (1) EP2780664B1 (da)
JP (2) JP6258860B2 (da)
KR (1) KR102007058B1 (da)
CN (1) CN104185772B (da)
DK (1) DK2780664T3 (da)
ES (1) ES2651674T3 (da)
PT (1) PT2780664T (da)
WO (1) WO2013071914A1 (da)

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Also Published As

Publication number Publication date
ES2651674T3 (es) 2018-01-29
KR102007058B1 (ko) 2019-08-02
JP6388990B2 (ja) 2018-09-12
EP2780664A1 (de) 2014-09-24
KR20140089434A (ko) 2014-07-14
EP2780664B1 (de) 2017-09-27
WO2013071914A1 (de) 2013-05-23
CN104185772B (zh) 2017-07-11
JP2018021927A (ja) 2018-02-08
US10132700B2 (en) 2018-11-20
PT2780664T (pt) 2018-01-02
US20140311250A1 (en) 2014-10-23
JP2014533366A (ja) 2014-12-11
JP6258860B2 (ja) 2018-01-10
CN104185772A (zh) 2014-12-03

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