FR2422932A1 - Jauge de contraintes et de deplacement - Google Patents
Jauge de contraintes et de deplacementInfo
- Publication number
- FR2422932A1 FR2422932A1 FR7909306A FR7909306A FR2422932A1 FR 2422932 A1 FR2422932 A1 FR 2422932A1 FR 7909306 A FR7909306 A FR 7909306A FR 7909306 A FR7909306 A FR 7909306A FR 2422932 A1 FR2422932 A1 FR 2422932A1
- Authority
- FR
- France
- Prior art keywords
- gauge
- path
- movement
- strain
- light
- 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.)
- Withdrawn
Links
- 238000006073 displacement reaction Methods 0.000 title abstract 2
- 238000005259 measurement Methods 0.000 abstract 1
- 230000003287 optical effect Effects 0.000 abstract 1
- 239000013307 optical fiber Substances 0.000 abstract 1
Classifications
-
- 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
- G01D5/28—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 deflection of beams of light, e.g. for direct optical indication
-
- 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
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Length Measuring Devices By Optical Means (AREA)
- Adhesives Or Adhesive Processes (AREA)
- Optical Transform (AREA)
Abstract
L'invention concerne une jauge de contraintes et de déplacement. Ladite jauge comporte deux éléments entre lesquels un mouvement est mesuré. Des fibres optiques 2 et 4 sont prévues respectivement dans et en dehors de la jauge. Le changement de l'intensité de la lumière transmise le long du trajet constitue une mesure du mouvement entre les éléments. Une source 1 dirige la lumière vers la jauge le long du trajet 2 et un détecteur optique 3 détecte la lumière reçue le long du trajets 4. Un trajet lumineux peut être prévu dans chaque élément ou bloc, les trajets étant alignés, et un mouvement entre les blocs provoque un désalignement des trajets. Application à la mesure des contraintes, notamment dans des milieux corrosifs.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB1458578 | 1978-04-13 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR2422932A1 true FR2422932A1 (fr) | 1979-11-09 |
Family
ID=10043893
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7909306A Withdrawn FR2422932A1 (fr) | 1978-04-13 | 1979-04-12 | Jauge de contraintes et de deplacement |
Country Status (3)
Country | Link |
---|---|
FR (1) | FR2422932A1 (fr) |
GB (1) | GB2020012A (fr) |
NO (1) | NO791209L (fr) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2623900A1 (fr) * | 1987-12-01 | 1989-06-02 | Vauge Christian | Capteur de micro-deplacements a fibres optiques |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2194042A (en) * | 1986-08-14 | 1988-02-24 | Bicc Plc | Displacement measurement |
JPH0778841B2 (ja) * | 1990-01-29 | 1995-08-23 | 松下電器産業株式会社 | トラックの変位測定方法およびトラック変位測定装置 |
US7319400B2 (en) | 2003-10-17 | 2008-01-15 | Bed-Check Corporation | Method and apparatus for monitoring a restraint device |
WO2005047814A1 (fr) * | 2003-10-17 | 2005-05-26 | Bed-Check Corporation | Dispositif detecteur de deplacement |
-
1979
- 1979-04-10 NO NO791209A patent/NO791209L/no unknown
- 1979-04-12 GB GB7913003A patent/GB2020012A/en not_active Withdrawn
- 1979-04-12 FR FR7909306A patent/FR2422932A1/fr not_active Withdrawn
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2623900A1 (fr) * | 1987-12-01 | 1989-06-02 | Vauge Christian | Capteur de micro-deplacements a fibres optiques |
Also Published As
Publication number | Publication date |
---|---|
NO791209L (no) | 1979-10-16 |
GB2020012A (en) | 1979-11-07 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |