DE69513281T2 - Eingeschlossener optischer sensor zur messung von spannung und temperatur mit einem einzigen diffraktionsgitter - Google Patents

Eingeschlossener optischer sensor zur messung von spannung und temperatur mit einem einzigen diffraktionsgitter

Info

Publication number
DE69513281T2
DE69513281T2 DE69513281T DE69513281T DE69513281T2 DE 69513281 T2 DE69513281 T2 DE 69513281T2 DE 69513281 T DE69513281 T DE 69513281T DE 69513281 T DE69513281 T DE 69513281T DE 69513281 T2 DE69513281 T2 DE 69513281T2
Authority
DE
Germany
Prior art keywords
temperature
optical sensor
measuring voltage
single differential
included optical
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
Application number
DE69513281T
Other languages
English (en)
Other versions
DE69513281D1 (de
Inventor
Gerald Meltz
Mauro Varasi
Antonello Vannucci
Mario Signorazzi
Pietro Ferraro
Sabato Imparato
Claudio Voto
James Dunphy
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Leonardo SpA
Raytheon Technologies Corp
Original Assignee
Finmeccanica SpA
United Technologies Corp
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
Application filed by Finmeccanica SpA, United Technologies Corp filed Critical Finmeccanica SpA
Publication of DE69513281D1 publication Critical patent/DE69513281D1/de
Application granted granted Critical
Publication of DE69513281T2 publication Critical patent/DE69513281T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01DMEASURING 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
    • G01D5/00Mechanical 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
    • G01D5/26Mechanical 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
    • G01D5/32Mechanical 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 attenuation or whole or partial obturation of beams of light
    • G01D5/34Mechanical 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 attenuation or whole or partial obturation of beams of light the beams of light being detected by photocells
    • G01D5/353Mechanical 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 attenuation or whole or partial obturation of beams of light the beams of light being detected by photocells influencing the transmission properties of an optical fibre
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01MTESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M11/00Testing of optical apparatus; Testing structures by optical methods not otherwise provided for
    • G01M11/08Testing mechanical properties
    • G01M11/083Testing mechanical properties by using an optical fiber in contact with the device under test [DUT]
    • G01M11/086Details about the embedment of the optical fiber within the DUT
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01DMEASURING 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
    • G01D5/00Mechanical 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
    • G01D5/26Mechanical 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
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01DMEASURING 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
    • G01D5/00Mechanical 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
    • G01D5/26Mechanical 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
    • G01D5/32Mechanical 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 attenuation or whole or partial obturation of beams of light
    • G01D5/34Mechanical 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 attenuation or whole or partial obturation of beams of light the beams of light being detected by photocells
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01KMEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
    • G01K11/00Measuring temperature based upon physical or chemical changes not covered by groups G01K3/00, G01K5/00, G01K7/00 or G01K9/00
    • G01K11/32Measuring 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
    • G01K11/3206Measuring 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 at discrete locations in the fibre, e.g. using Bragg scattering
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01KMEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
    • G01K5/00Measuring temperature based on the expansion or contraction of a material
    • G01K5/48Measuring temperature based on the expansion or contraction of a material the material being a solid
    • G01K5/56Measuring temperature based on the expansion or contraction of a material the material being a solid constrained so that expansion or contraction causes a deformation of the solid
    • G01K5/62Measuring temperature based on the expansion or contraction of a material the material being a solid constrained so that expansion or contraction causes a deformation of the solid the solid body being formed of compounded strips or plates, e.g. bimetallic strip
    • G01K5/70Measuring temperature based on the expansion or contraction of a material the material being a solid constrained so that expansion or contraction causes a deformation of the solid the solid body being formed of compounded strips or plates, e.g. bimetallic strip specially adapted for indicating or recording
    • G01K5/72Measuring temperature based on the expansion or contraction of a material the material being a solid constrained so that expansion or contraction causes a deformation of the solid the solid body being formed of compounded strips or plates, e.g. bimetallic strip specially adapted for indicating or recording with electric transmission means for final indication
DE69513281T 1994-03-08 1995-03-08 Eingeschlossener optischer sensor zur messung von spannung und temperatur mit einem einzigen diffraktionsgitter Expired - Lifetime DE69513281T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/207,993 US5399854A (en) 1994-03-08 1994-03-08 Embedded optical sensor capable of strain and temperature measurement using a single diffraction grating
PCT/US1995/002866 WO1995024614A1 (en) 1994-03-08 1995-03-08 Embedded optical sensor capable of strain and temperature measurement using a single diffraction grating

Publications (2)

Publication Number Publication Date
DE69513281D1 DE69513281D1 (de) 1999-12-16
DE69513281T2 true DE69513281T2 (de) 2000-02-17

Family

ID=22772809

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69513281T Expired - Lifetime DE69513281T2 (de) 1994-03-08 1995-03-08 Eingeschlossener optischer sensor zur messung von spannung und temperatur mit einem einzigen diffraktionsgitter

Country Status (9)

Country Link
US (1) US5399854A (de)
EP (1) EP0753130B1 (de)
JP (1) JP3574136B2 (de)
KR (1) KR100215950B1 (de)
CN (1) CN1088833C (de)
DE (1) DE69513281T2 (de)
DK (1) DK0753130T3 (de)
GR (1) GR3032556T3 (de)
WO (1) WO1995024614A1 (de)

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DE102016223230A1 (de) 2016-11-23 2018-07-05 Volkswagen Aktiengesellschaft Überwachungsanordnung für Kraftfahrzeuge, Überwachungsverfahren und Kraftfahrzeug
DE102017201523A1 (de) 2017-01-31 2018-08-02 Hochschule für angewandte Wissenschaften München Faseroptische Erfassungseinrichtung sowie Verfahren zum Betreiben einer solchen faseroptischen Erfassungseinrichtung

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DE69513281D1 (de) 1999-12-16
CN1088833C (zh) 2002-08-07
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US5399854A (en) 1995-03-21
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