DE3777889D1 - Abtasten von belastung und temperatur. - Google Patents
Abtasten von belastung und temperatur.Info
- Publication number
- DE3777889D1 DE3777889D1 DE8787305289T DE3777889T DE3777889D1 DE 3777889 D1 DE3777889 D1 DE 3777889D1 DE 8787305289 T DE8787305289 T DE 8787305289T DE 3777889 T DE3777889 T DE 3777889T DE 3777889 D1 DE3777889 D1 DE 3777889D1
- Authority
- DE
- Germany
- Prior art keywords
- temperature
- sensing load
- sensing
- load
- 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
Links
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
-
- 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
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K11/00—Measuring temperature based upon physical or chemical changes not covered by groups G01K3/00, G01K5/00, G01K7/00 or G01K9/00
- G01K11/32—Measuring temperature based upon physical or chemical changes not covered by groups G01K3/00, G01K5/00, G01K7/00 or G01K9/00 using changes in transmittance, scattering or luminescence in optical fibres
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB8614960A GB2197946B (en) | 1986-06-19 | 1986-06-19 | Sensing strain and temperature |
Publications (1)
Publication Number | Publication Date |
---|---|
DE3777889D1 true DE3777889D1 (de) | 1992-05-07 |
Family
ID=10599721
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE8787305289T Expired - Lifetime DE3777889D1 (de) | 1986-06-19 | 1987-06-15 | Abtasten von belastung und temperatur. |
Country Status (8)
Country | Link |
---|---|
US (1) | US4842403A (de) |
EP (1) | EP0250194B1 (de) |
JP (1) | JPS6340827A (de) |
BR (1) | BR8703506A (de) |
CA (1) | CA1290589C (de) |
DE (1) | DE3777889D1 (de) |
ES (1) | ES2031503T3 (de) |
GB (1) | GB2197946B (de) |
Families Citing this family (29)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3804135A1 (de) * | 1988-02-11 | 1989-08-24 | Felten & Guilleaume Energie | Verfahren zur kontinuierlichen daempfungsmessung von lichtwellenleiter-sensoren mit nur einem zugaenglichen ende |
US5144690A (en) * | 1990-12-03 | 1992-09-01 | Corning Incorporated | Optical fiber sensor with localized sensing regions |
US5513913A (en) * | 1993-01-29 | 1996-05-07 | United Technologies Corporation | Active multipoint fiber laser sensor |
JP2661856B2 (ja) * | 1993-03-26 | 1997-10-08 | 株式会社神戸製鋼所 | 温度分布測定方法 |
FR2706607B1 (fr) * | 1993-06-15 | 1995-07-21 | Thomson Csf | Capteur de température multipoints reconfigurable. |
US5446280A (en) * | 1993-08-31 | 1995-08-29 | Center For Innovative Technology | Split-spectrum self-referenced fiber optic sensor |
US5773316A (en) * | 1994-03-11 | 1998-06-30 | Fujitsu Limited | Method and device for measuring physical quantity, method for fabricating semiconductor device, and method and device for measuring wavelength |
DE4423104A1 (de) * | 1994-07-01 | 1996-01-04 | Leon Helma Christina | Druckempfindliche Sensorvorrichtung mit Lichtwellenleiter |
US5649934A (en) * | 1994-12-06 | 1997-07-22 | The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration | Apparatus for assisting childbirth |
US5775808A (en) * | 1996-06-19 | 1998-07-07 | Applied Materials, Inc. | Apparatus for real-time, in situ measurement of temperature and a method of fabricating and using same |
US6056436A (en) * | 1997-02-20 | 2000-05-02 | University Of Maryland | Simultaneous measurement of temperature and strain using optical sensors |
US6057911A (en) * | 1997-11-17 | 2000-05-02 | Northrop Grumman Corporation | Fiber optic fabry-perot sensor for measuring absolute strain |
GB9820467D0 (en) | 1998-09-18 | 1998-11-11 | Europ Economic Community | Sensing apparatus and a measurment method |
GB9828469D0 (en) * | 1998-12-24 | 1999-02-17 | British Aerospace | A modulated fibre bragg grating strain gauge assembly for absolute gauging of strain |
DE19913800C2 (de) * | 1999-03-26 | 2002-02-28 | Telegaertner Geraetebau Gmbh | Anordnung zur Auswertung schmalbandiger optischer Signale |
GB0021975D0 (en) | 2000-09-07 | 2000-10-25 | Optomed As | Filter optic probes |
GB0021976D0 (en) * | 2000-09-07 | 2000-10-25 | Optomed As | Multi-parameter fiber optic probes |
US6659640B2 (en) * | 2001-04-26 | 2003-12-09 | The United States Of America As Represented By The Secretary Of The Navy | Fiber optic temperature measurement system and method |
TW500912B (en) * | 2001-11-30 | 2002-09-01 | Nat Chao Tung University Libra | Method to sense the stress and temperature distribution of fiber simultaneously |
DE102010044583B4 (de) * | 2010-09-07 | 2012-05-10 | Krohne Messtechnik Gmbh | Auslenkungsmessgerät nach dem Interferometrieprinzip |
US9170172B2 (en) * | 2011-08-23 | 2015-10-27 | The Boeing Company | Composite structure having an embedded sensing system |
WO2013134575A1 (en) * | 2012-03-07 | 2013-09-12 | Ofs Fitel, Llc | Grating-based sensor |
CA2815788C (en) * | 2012-07-31 | 2016-10-11 | The Boeing Company | Composite structure having an embedded sensing system |
DE102013205205A1 (de) * | 2013-03-25 | 2014-10-09 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Faseroptischer Sensor und dessen Verwendung |
KR101575869B1 (ko) | 2014-05-26 | 2015-12-09 | 한국광기술원 | 평판 광도파로형 물리량 센서 장치 |
US9240262B1 (en) * | 2014-07-21 | 2016-01-19 | General Electric Company | Systems and methods for distributed pressure sensing |
WO2019073424A1 (en) * | 2017-10-11 | 2019-04-18 | Auckland Uniservices Limited | DEVICE, APPARATUS AND SYSTEM FOR DETECTING DEFORMATIONS |
JP7145824B2 (ja) * | 2019-08-22 | 2022-10-03 | 古河電気工業株式会社 | 外力検出装置および光ファイバセンサ |
CN110631735A (zh) * | 2019-10-22 | 2019-12-31 | 武汉理工光科股份有限公司 | 一种基于分布式传感光纤的管道测温系统和方法 |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
SE411955B (sv) * | 1978-06-02 | 1980-02-11 | Asea Ab | Fiberoptiskt metdon med hogst tva fibrer |
US4151747A (en) * | 1978-06-21 | 1979-05-01 | Electric Power Research Institute, Inc. | Monitoring arrangement utilizing fiber optics |
US4298794A (en) * | 1979-08-30 | 1981-11-03 | United Technologies Corporation | Fiber optic hot spot detector |
US4295739A (en) * | 1979-08-30 | 1981-10-20 | United Technologies Corporation | Fiber optic temperature sensor |
US4295738A (en) * | 1979-08-30 | 1981-10-20 | United Technologies Corporation | Fiber optic strain sensor |
US4420251A (en) * | 1980-05-05 | 1983-12-13 | Rockwell International Corporation | Optical deformation sensor |
JPS57191798A (en) * | 1981-05-19 | 1982-11-25 | Furukawa Electric Co Ltd | Detection of value to be measured employing multi-core optical fiber |
EP0192659B1 (de) * | 1984-08-13 | 1993-10-27 | United Technologies Corporation | Verteilter, gemäss raumauflösung aufgestellter dehnungsmesser mit optischer faser |
US4653906A (en) * | 1984-08-13 | 1987-03-31 | United Technologies Corporation | Spatially resolving fiber-optic crosstalk strain sensor |
US4773753A (en) * | 1985-09-03 | 1988-09-27 | Daiichi Denshi Kogyo Kabushiki Kaisha | Fiber sensor |
-
1986
- 1986-06-19 GB GB8614960A patent/GB2197946B/en not_active Expired
-
1987
- 1987-06-15 DE DE8787305289T patent/DE3777889D1/de not_active Expired - Lifetime
- 1987-06-15 EP EP87305289A patent/EP0250194B1/de not_active Expired
- 1987-06-15 ES ES198787305289T patent/ES2031503T3/es not_active Expired - Lifetime
- 1987-06-17 CA CA000539916A patent/CA1290589C/en not_active Expired - Lifetime
- 1987-06-19 JP JP62151554A patent/JPS6340827A/ja active Granted
- 1987-06-19 BR BR8703506A patent/BR8703506A/pt not_active IP Right Cessation
-
1988
- 1988-12-05 US US07/281,963 patent/US4842403A/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
EP0250194A2 (de) | 1987-12-23 |
EP0250194A3 (en) | 1989-08-23 |
ES2031503T3 (es) | 1992-12-16 |
US4842403A (en) | 1989-06-27 |
JPH0579131B2 (de) | 1993-11-01 |
EP0250194B1 (de) | 1992-04-01 |
CA1290589C (en) | 1991-10-15 |
BR8703506A (pt) | 1988-03-22 |
GB8614960D0 (en) | 1986-07-23 |
GB2197946B (en) | 1989-12-20 |
GB2197946A (en) | 1988-06-02 |
JPS6340827A (ja) | 1988-02-22 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |