DE2819590C2 - Vorrichtung zur Messung der in einem festen Körper vorliegenden Spannung - Google Patents
Vorrichtung zur Messung der in einem festen Körper vorliegenden SpannungInfo
- Publication number
- DE2819590C2 DE2819590C2 DE2819590A DE2819590A DE2819590C2 DE 2819590 C2 DE2819590 C2 DE 2819590C2 DE 2819590 A DE2819590 A DE 2819590A DE 2819590 A DE2819590 A DE 2819590A DE 2819590 C2 DE2819590 C2 DE 2819590C2
- Authority
- DE
- Germany
- Prior art keywords
- light
- udf54
- light guide
- udf53
- medium
- 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
Links
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- 239000000835 fiber Substances 0.000 claims description 22
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- 230000003287 optical effect Effects 0.000 description 15
- 239000003365 glass fiber Substances 0.000 description 9
- 239000013307 optical fiber Substances 0.000 description 8
- 238000005259 measurement Methods 0.000 description 7
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- 239000004793 Polystyrene Substances 0.000 description 2
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- 238000010191 image analysis Methods 0.000 description 2
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- 230000007774 longterm Effects 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
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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
- G01L1/243—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 means for applying force perpendicular to the fibre axis
- G01L1/245—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 means for applying force perpendicular to the fibre axis using microbending
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Length Measuring Devices By Optical Means (AREA)
- Optical Fibers, Optical Fiber Cores, And Optical Fiber Bundles (AREA)
- Optical Integrated Circuits (AREA)
- Photometry And Measurement Of Optical Pulse Characteristics (AREA)
- Optical Transform (AREA)
- Investigating Or Analysing Materials By Optical Means (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB31643/77A GB1584173A (en) | 1977-07-27 | 1977-07-27 | Apparatus for measuring strain in a solid object |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE2819590A1 DE2819590A1 (de) | 1979-02-08 |
| DE2819590C2 true DE2819590C2 (de) | 1987-02-19 |
Family
ID=10326244
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE2819590A Expired DE2819590C2 (de) | 1977-07-27 | 1978-05-05 | Vorrichtung zur Messung der in einem festen Körper vorliegenden Spannung |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US4163397A (US07652168-20100126-C00068.png) |
| JP (1) | JPS5441157A (US07652168-20100126-C00068.png) |
| DE (1) | DE2819590C2 (US07652168-20100126-C00068.png) |
| GB (1) | GB1584173A (US07652168-20100126-C00068.png) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4305364C1 (de) * | 1992-10-20 | 1994-04-28 | Schlattl Werner Bavaria Tech | Schweißzange |
| DE19922102A1 (de) * | 1999-05-17 | 2000-12-07 | Telegaertner Geraetebau Gmbh | Faser-Bragg-Gitter-Sensoranordnung zur Ermittlung physikalischer Größen |
Families Citing this family (48)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AU4223778A (en) * | 1977-12-12 | 1979-06-21 | Pedro B Macedo | Optical waveguide sensor |
| DE2816682A1 (de) * | 1978-04-18 | 1979-12-20 | Max Planck Gesellschaft | Anordnung zur erfassung des einflusses physikalischer groessen auf die laenge eines weges |
| US4191470A (en) * | 1978-09-18 | 1980-03-04 | Honeywell Inc. | Laser-fiber optic interferometric strain gauge |
| FR2480433A1 (fr) * | 1980-04-11 | 1981-10-16 | Fort Francois | Capteur par detection de pression |
| DE3015391C2 (de) * | 1980-04-22 | 1986-12-04 | Philips Kommunikations Industrie AG, 8500 Nürnberg | Verfahren zur Kontrolle von zu überwachenden physikalischen Belastungsgrößen an und/oder in einem Bauteil |
| JPS5714705A (en) * | 1980-06-30 | 1982-01-26 | Matsushita Electric Works Ltd | Detector for displacement |
| JPS57190238A (en) * | 1981-05-19 | 1982-11-22 | Toshiba Corp | Photo load detector |
| US4477725A (en) * | 1981-08-27 | 1984-10-16 | Trw Inc. | Microbending of optical fibers for remote force measurement |
| EP0086231A4 (en) * | 1981-08-27 | 1984-07-26 | Trw Inc | MICROFLEXION OF OPTICAL FIBERS FOR THE REMOTE MEASUREMENT OF A FORCE. |
| US4513200A (en) * | 1983-01-24 | 1985-04-23 | Occidental Research Corporation | Fiber optic movement measuring sensor |
| GB8322486D0 (en) * | 1983-08-20 | 1983-09-21 | Nmi Ltd | Crack monitors |
| US4594504A (en) * | 1983-09-08 | 1986-06-10 | Rosemount Inc. | Light modulation sensor in a vortex shedding flowmeter |
| GB2159942A (en) * | 1984-06-09 | 1985-12-11 | Michael Roderick Oliver | Fluid valve position sensor |
| US4636638A (en) * | 1984-10-12 | 1987-01-13 | The United States Of America As Represented By The Secretary Of The Navy | Remote optical crack sensing system including fiberoptics |
| DE3441792C1 (de) * | 1984-11-15 | 1985-11-28 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V., 8000 München | Faseroptischer Kraftsensor, insbesondere Drucksensor |
| FR2578645B1 (fr) * | 1985-03-07 | 1987-03-20 | Sopha Praxis | Dispositif optique de detection d'effort, procede de mesure d'effort au moyen dudit dispositif et leur application a une balance |
| JPS61221629A (ja) * | 1985-03-15 | 1986-10-02 | Sharp Corp | 感圧素子の製造方法 |
| US4724316A (en) * | 1985-07-12 | 1988-02-09 | Eldec Corporation | Temperature independent fiber optic sensor |
| US4671659A (en) * | 1985-11-08 | 1987-06-09 | Martin Marietta Corporation | Fiber optic displacement sensor |
| CA1268640A (en) * | 1985-11-14 | 1990-05-08 | Battelle Development Corporation | Fiber-optical pressure detector |
| US4678903A (en) * | 1986-01-27 | 1987-07-07 | General Motors Corporation | Self aligning fiber optic microbend sensor |
| US4692610A (en) * | 1986-01-30 | 1987-09-08 | Grumman Aerospace Corporation | Fiber optic aircraft load relief control system |
| US4734577A (en) * | 1986-01-30 | 1988-03-29 | Grumman Aerospace Corporation | Continuous strain measurement along a span |
| US4788868A (en) * | 1986-03-27 | 1988-12-06 | The Charles Stark Draper Laboratory, Inc. | Strain measurement apparatus and method |
| CH672173A5 (US07652168-20100126-C00068.png) * | 1986-04-28 | 1989-10-31 | Bruderer Ag | |
| CH671077A5 (US07652168-20100126-C00068.png) * | 1986-04-28 | 1989-07-31 | Bruderer Ag | |
| US4751690A (en) * | 1986-05-12 | 1988-06-14 | Gould Inc. | Fiber optic interferometric hydrophone |
| US5020379A (en) * | 1986-10-30 | 1991-06-04 | The Babcock & Wilcox Company | Microbend fiber optic strain gauge |
| US4947693A (en) * | 1987-07-28 | 1990-08-14 | Grumman Aerospace Corporation | Discrete strain sensor |
| US4840481A (en) * | 1987-12-10 | 1989-06-20 | Simmonds Precision | Polarimetric optical frequency domain distributed strain sensor and method |
| US4891511A (en) * | 1988-08-31 | 1990-01-02 | The Babcock & Wilcox Co. | Fiber optic microbend sensor with braided fibers |
| US5094527A (en) * | 1990-05-14 | 1992-03-10 | Lockheed Corporation | Temperature compensated strain sensor for composite structures |
| US5132529A (en) * | 1990-08-23 | 1992-07-21 | The United States Of America As Represented By The United States Department Of Energy | Fiber-optic strain gauge with attached ends and unattached microbend section |
| FR2673713B1 (fr) * | 1991-03-07 | 1993-06-25 | Framatome Sa | Capteur optique, en particulier capteur de pression et procede de mesure optique correspondant. |
| DE4132113A1 (de) * | 1991-09-26 | 1993-04-01 | Siemens Ag | Messaufnehmer fuer laengen- oder abstandsaenderungen |
| JPH0687374U (ja) * | 1993-06-01 | 1994-12-22 | 株式会社創作屋服飾研究所 | テンションコントローラー |
| WO1997000428A1 (en) * | 1995-06-14 | 1997-01-03 | Owens Corning | Method and apparatus for damage detection and nondestructive evaluation of structural integrity using hollow glass fibers |
| US5818982A (en) * | 1996-04-01 | 1998-10-06 | Voss; Karl Friedrich | Fiber optic sensor based upon buckling of a freely suspended length of fiber |
| US5757473A (en) * | 1996-11-13 | 1998-05-26 | Noranda, Inc. | Optical strain sensor for the measurement of microdeformations of surfaces |
| US6776543B1 (en) * | 2003-02-04 | 2004-08-17 | Hewlett-Packard Development Company, L.P. | Fiber optic print media thickness sensor and method |
| US20040252290A1 (en) * | 2003-06-10 | 2004-12-16 | Ferguson Gary W. | Optical strain gauge and methods of use including a wind measurement device |
| US7869909B2 (en) * | 2004-07-26 | 2011-01-11 | Harold Harrison | Stress monitoring system for railways |
| US7394064B2 (en) * | 2004-10-05 | 2008-07-01 | Halliburton Energy Services, Inc. | Measuring the weight on a drill bit during drilling operations using coherent radiation |
| MX2008014932A (es) * | 2006-05-24 | 2009-04-15 | Tarilian Laser Technologies Lt | Metodo de deteccion optica de signos vitales y dispositivo de medicion. |
| US20080071180A1 (en) * | 2006-05-24 | 2008-03-20 | Tarilian Laser Technologies, Limited | Vital Sign Detection Method and Measurement Device |
| JP5441715B2 (ja) | 2007-01-31 | 2014-03-12 | タリリアン レーザー テクノロジーズ，リミテッド | 光パワー変調 |
| US20110106459A1 (en) * | 2009-10-29 | 2011-05-05 | Northrop Grumman Corporation | In-situ optical crack measurement using a dot pattern |
| CN103852389A (zh) * | 2012-11-28 | 2014-06-11 | 海洋王（东莞）照明科技有限公司 | 导光板抗冲击强度测试方法 |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3602037A (en) * | 1969-07-09 | 1971-08-31 | Franklin D Neu | Apparatus for measuring minute deflections |
| US4071753A (en) * | 1975-03-31 | 1978-01-31 | Gte Laboratories Incorporated | Transducer for converting acoustic energy directly into optical energy |
-
1977
- 1977-07-27 GB GB31643/77A patent/GB1584173A/en not_active Expired
- 1977-10-31 US US05/846,799 patent/US4163397A/en not_active Expired - Lifetime
-
1978
- 1978-05-05 DE DE2819590A patent/DE2819590C2/de not_active Expired
- 1978-07-27 JP JP9205278A patent/JPS5441157A/ja active Granted
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4305364C1 (de) * | 1992-10-20 | 1994-04-28 | Schlattl Werner Bavaria Tech | Schweißzange |
| DE19922102A1 (de) * | 1999-05-17 | 2000-12-07 | Telegaertner Geraetebau Gmbh | Faser-Bragg-Gitter-Sensoranordnung zur Ermittlung physikalischer Größen |
| DE19922102B4 (de) * | 1999-05-17 | 2004-05-13 | Telegärtner Gerätebau GmbH | Faser-Bragg-Gitter-Sensoranordnung zur Ermittlung physikalischer Größen |
Also Published As
| Publication number | Publication date |
|---|---|
| GB1584173A (en) | 1981-02-11 |
| JPS5441157A (en) | 1979-04-02 |
| JPH0229963B2 (US07652168-20100126-C00068.png) | 1990-07-03 |
| US4163397A (en) | 1979-08-07 |
| DE2819590A1 (de) | 1979-02-08 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 8110 | Request for examination paragraph 44 | ||
| D2 | Grant after examination | ||
| 8364 | No opposition during term of opposition | ||
| 8339 | Ceased/non-payment of the annual fee |