DE3131870C2 - - Google Patents
Info
- Publication number
- DE3131870C2 DE3131870C2 DE3131870A DE3131870A DE3131870C2 DE 3131870 C2 DE3131870 C2 DE 3131870C2 DE 3131870 A DE3131870 A DE 3131870A DE 3131870 A DE3131870 A DE 3131870A DE 3131870 C2 DE3131870 C2 DE 3131870C2
- Authority
- DE
- Germany
- Prior art keywords
- component
- monitored
- zone
- optical
- optical waveguide
- 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
- 239000013307 optical fiber Substances 0.000 claims description 19
- 230000003287 optical effect Effects 0.000 claims description 13
- 239000000835 fiber Substances 0.000 description 8
- 230000036316 preload Effects 0.000 description 5
- 238000012544 monitoring process Methods 0.000 description 4
- 230000006378 damage Effects 0.000 description 3
- 238000005259 measurement Methods 0.000 description 3
- 238000003466 welding Methods 0.000 description 3
- 230000002159 abnormal effect Effects 0.000 description 2
- 241001391944 Commicarpus scandens Species 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 239000012212 insulator Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000256 polyoxyethylene sorbitan monolaurate Substances 0.000 description 1
- 239000012783 reinforcing fiber Substances 0.000 description 1
- 238000007665 sagging Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 210000004243 sweat Anatomy 0.000 description 1
- 230000002618 waking effect Effects 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M11/00—Testing of optical apparatus; Testing structures by optical methods not otherwise provided for
- G01M11/08—Testing mechanical properties
- G01M11/083—Testing mechanical properties by using an optical fiber in contact with the device under test [DUT]
- G01M11/086—Details about the embedment of the optical fiber within the DUT
Landscapes
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Length Measuring Devices By Optical Means (AREA)
- Optical Transform (AREA)
- Examining Or Testing Airtightness (AREA)
- Communication Cables (AREA)
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19813131870 DE3131870A1 (de) | 1981-08-12 | 1981-08-12 | Mittels lichtwellenleiter auf bruch oder dehnung ueberwachbares bauteil |
| EP82102499A EP0071695B1 (de) | 1981-08-12 | 1982-03-25 | Mittels Lichtwellenleiter auf Bruch oder Dehnung überwachbares Bauteil |
| US06/405,095 US4840480A (en) | 1981-08-12 | 1982-08-04 | Light conduit arrangement for monitoring a physical condition of a structural part |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19813131870 DE3131870A1 (de) | 1981-08-12 | 1981-08-12 | Mittels lichtwellenleiter auf bruch oder dehnung ueberwachbares bauteil |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE3131870A1 DE3131870A1 (de) | 1983-02-24 |
| DE3131870C2 true DE3131870C2 (OSRAM) | 1989-12-21 |
Family
ID=6139173
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19813131870 Granted DE3131870A1 (de) | 1981-08-12 | 1981-08-12 | Mittels lichtwellenleiter auf bruch oder dehnung ueberwachbares bauteil |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US4840480A (OSRAM) |
| EP (1) | EP0071695B1 (OSRAM) |
| DE (1) | DE3131870A1 (OSRAM) |
Families Citing this family (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2136119A (en) * | 1983-03-08 | 1984-09-12 | Nmi Ltd | Crack Monitor |
| GB8322486D0 (en) * | 1983-08-20 | 1983-09-21 | Nmi Ltd | Crack monitors |
| FR2559262B1 (fr) * | 1984-02-07 | 1990-03-02 | France Etat | Procede et dispositif de controle non destructif dans une structure en masse |
| DE3635053C2 (de) * | 1986-10-15 | 1995-09-28 | Strabag Ag | Verfahren zum Überwachen der Verformungen von Bauteilen mittels Lichtwellenleitern sowie Lichtwellenleiter zur Durchführung des Verfahrens und Verfahren zu seiner Herstellung |
| GB9003216D0 (en) * | 1990-02-13 | 1990-04-11 | Dunlop Ltd | Crack detection |
| GB9005827D0 (en) * | 1990-03-15 | 1990-05-09 | Raychem Gmbh | Electrical protection apparatus |
| FR2680188B1 (fr) * | 1991-08-06 | 1998-09-04 | Freyssinet Int & Co | Perfectionnements aux plots d'appui elastiquement deformables et aux ouvrages equipes de tels plots. |
| GB9317576D0 (en) * | 1993-08-24 | 1993-10-06 | British Aerospace | Fibre optic damage detection system |
| FR2748325B1 (fr) * | 1996-05-03 | 1998-08-07 | Deha Com | Procede et dispositifs de detection de flexion, et structure telle que geotechnique ou de batiment, equipee d'un tel dispositif |
| US7277822B2 (en) * | 2000-09-28 | 2007-10-02 | Blemel Kenneth G | Embedded system for diagnostics and prognostics of conduits |
| WO2005079223A2 (en) * | 2004-02-13 | 2005-09-01 | Avery Dennison Corporation | Tamper monitoring article, system and method |
| US7212127B2 (en) * | 2004-12-20 | 2007-05-01 | Avery Dennison Corp. | RFID tag and label |
| KR101249926B1 (ko) * | 2010-09-28 | 2013-04-04 | 황문선 | 키트형 접이식 비상 삼각대 |
| CN103868546B (zh) * | 2013-12-18 | 2016-04-27 | 浙江吉利控股集团有限公司 | 电动汽车的电池壳体破损检测装置及控制方法 |
| US9500561B2 (en) * | 2014-06-20 | 2016-11-22 | Bell Helicopter Textron Inc. | Embedding fiber optic cables in rotorcraft composites |
| DE102017220225A1 (de) * | 2017-11-14 | 2019-05-16 | Robert Bosch Gmbh | Laufzeitmessung mittels Sensoranordnung, Arbeitsgerät und Messverfahren |
| DE102018215928A1 (de) * | 2018-09-19 | 2020-03-19 | Bayerische Motoren Werke Aktiengesellschaft | Verfahren zum Überwachen einer Behälterwand eines Behälters und Behälteranordnung |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3407304A (en) * | 1965-11-19 | 1968-10-22 | Nasa Usa | Micrometeoroid penetration measuring device |
| GB1544483A (en) * | 1976-07-01 | 1979-04-19 | Standard Telephones Cables Ltd | Strain measurement using optical fibres |
| GB2036336A (en) * | 1978-09-29 | 1980-06-25 | British Petroleum Co | Measuring stress and strain using optical fibres |
| GB2039683B (en) * | 1979-01-19 | 1982-10-20 | Fibun Bv | Security system |
| US4272189A (en) * | 1979-08-16 | 1981-06-09 | The United States Of America As Represented By The Secretary Of The Navy | Electro-optical projectile analyzer |
| DE2937824C2 (de) * | 1979-09-19 | 1982-05-06 | Felten & Guilleaume Carlswerk AG, 5000 Köln | Verfahren zur Bruch-Überwachung von auf Zug beanspruchten Bauteilen |
| 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 |
| DE3176023D1 (en) * | 1980-10-10 | 1987-04-23 | Pilkington Perkin Elmer Ltd | Intruder detection security system |
| DE3111858A1 (de) * | 1981-03-26 | 1982-10-14 | Vereinigte Flugtechnische Werke Gmbh, 2800 Bremen | Messanordnung zum feststellen von rissen |
| US4450434A (en) * | 1981-05-19 | 1984-05-22 | The United States Of America As Represented By The Secretary Of The Army | Apparatus for determining break locations in fencing |
-
1981
- 1981-08-12 DE DE19813131870 patent/DE3131870A1/de active Granted
-
1982
- 1982-03-25 EP EP82102499A patent/EP0071695B1/de not_active Expired
- 1982-08-04 US US06/405,095 patent/US4840480A/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| DE3131870A1 (de) | 1983-02-24 |
| US4840480A (en) | 1989-06-20 |
| EP0071695A1 (de) | 1983-02-16 |
| EP0071695B1 (de) | 1986-02-12 |
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| DE3131870C2 (OSRAM) | ||
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| DE8123653U1 (de) | Mittels Lichtwellenleiter auf Bruch oder Dehnung überwachbares Bauteil | |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 8127 | New person/name/address of the applicant |
Owner name: FELTEN & GUILLEAUME ENERGIETECHNIK GMBH, 5000 KOEL |
|
| 8110 | Request for examination paragraph 44 | ||
| 8127 | New person/name/address of the applicant |
Owner name: FELTEN & GUILLEAUME ENERGIETECHNIK AG, 5000 KOELN, |
|
| D2 | Grant after examination | ||
| 8364 | No opposition during term of opposition | ||
| 8339 | Ceased/non-payment of the annual fee |