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ES2148159T3 - Sensor de humedad. - Google Patents

Sensor de humedad.

Info

Publication number
ES2148159T3
ES2148159T3 ES92116906T ES92116906T ES2148159T3 ES 2148159 T3 ES2148159 T3 ES 2148159T3 ES 92116906 T ES92116906 T ES 92116906T ES 92116906 T ES92116906 T ES 92116906T ES 2148159 T3 ES2148159 T3 ES 2148159T3
Authority
ES
Spain
Prior art keywords
humidity sensor
face
interference
humidity
fibre
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
ES92116906T
Other languages
English (en)
Inventor
Gunter Schwotzer
Heinz Uhlig
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.)
Bartec Componenten und Systeme GmbH
Original Assignee
Bartec Componenten und Systeme GmbH
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 Bartec Componenten und Systeme GmbH filed Critical Bartec Componenten und Systeme GmbH
Application granted granted Critical
Publication of ES2148159T3 publication Critical patent/ES2148159T3/es
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/75—Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated
    • G01N21/77—Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated by observing the effect on a chemical indicator
    • G01N21/7703—Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated by observing the effect on a chemical indicator using reagent-clad optical fibres or optical waveguides
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/75—Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated
    • G01N21/77—Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated by observing the effect on a chemical indicator
    • G01N21/78—Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated by observing the effect on a chemical indicator producing a change of colour
    • G01N21/81—Indicating humidity
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/75—Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated
    • G01N21/77—Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated by observing the effect on a chemical indicator
    • G01N21/7703—Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated by observing the effect on a chemical indicator using reagent-clad optical fibres or optical waveguides
    • G01N2021/7706—Reagent provision
    • G01N2021/7723—Swelling part, also for adsorption sensor, i.e. without chemical reaction
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/75—Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated
    • G01N21/77—Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated by observing the effect on a chemical indicator
    • G01N2021/7769—Measurement method of reaction-produced change in sensor
    • G01N2021/7779—Measurement method of reaction-produced change in sensor interferometric
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2201/00—Features of devices classified in G01N21/00
    • G01N2201/08—Optical fibres; light guides
    • G01N2201/0866—Use of GRIN elements

Landscapes

  • Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Plasma & Fusion (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
  • Investigating Or Analysing Materials By The Use Of Chemical Reactions (AREA)
  • Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
  • Investigating Or Analyzing Materials By The Use Of Fluid Adsorption Or Reactions (AREA)

Abstract

LA INVENCION SE REFIERE A UN SENSOR DE HUMEDAD MINIATURIZADO. EL COMETIDO DE LA INVENCION ES EL DE PRESENTAR UN SENSOR DE HUMEDAD BAJO LA APLICACION DE FIBRAS CONDUCTORAS DE LUZ Y ELEMENTOS CONSTITUTIVOS ESTRATIFICADOS INTERFERENTES, EL CUAL DEBE PODER FABRICARSE EN FORMA REDUCIDA Y COMPACTA, DEBIENDO DISPONER DE UN CAMPO DE MEDIDA AMPLIO Y VARIABLE AJUSTABLE, SUPRIMIENDO LAS DESVENTAJAS DE LA TECNICA ACTUAL, Y QUE PUEDA FABRICARSE A PRECIOS RAZONABLES UN ALTO NUMERO DE UNIDADES BAJO EL CONTROL DEL PROCESO DE FABRICACION, SE RESUELVE DE ACUERDO CON LA INVENCION, EN TANTO EN QUE LA SUPERFICIE FINAL DE LA CARA FRONTAL DE AL MENOS UNA FIBRA CONDUCTORA DE LUZ, ESTE UNIDA CON UN ELEMENTO OPTICAMENTE TRASLUCIDO, Y QUE SOBRE ESTE ELEMENTO CONSTITUTIVO AL MENOS, ESTE APLICADA UNA DISPOSICION ESTRATIFICADA INTERFERENTE, CON DIRECCION ACTIVA OPTICA SOBRE LA CARA FRONTAL DE LA SUPERFICIE DEL BORDE DE LA FIBRA.
ES92116906T 1991-10-05 1992-10-02 Sensor de humedad. Expired - Lifetime ES2148159T3 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE4133126A DE4133126C2 (de) 1991-10-05 1991-10-05 Feuchtesensor

Publications (1)

Publication Number Publication Date
ES2148159T3 true ES2148159T3 (es) 2000-10-16

Family

ID=6442156

Family Applications (1)

Application Number Title Priority Date Filing Date
ES92116906T Expired - Lifetime ES2148159T3 (es) 1991-10-05 1992-10-02 Sensor de humedad.

Country Status (5)

Country Link
EP (1) EP0536656B1 (es)
AT (1) ATE192574T1 (es)
DE (1) DE4133126C2 (es)
DK (1) DK0536656T3 (es)
ES (1) ES2148159T3 (es)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4223625A1 (de) * 1992-07-17 1994-01-20 Inst Physikalische Hochtech Ev Faseroptischer Sensor nach dem Fabry-Perot-Prinzip
EP0598341B1 (en) * 1992-11-17 1998-09-23 Hoechst Aktiengesellschaft Optical sensor for detecting chemical species
DE19545414C2 (de) * 1995-12-06 2002-11-14 Inst Physikalische Hochtech Ev Optisches Sensorelement
DE19630181C2 (de) * 1996-07-26 2002-08-08 Inst Physikalische Hochtech Ev Kompakter Lichtleitfasersensor zur Detektion chemischer oder biochemischer Substanzen
DE19830727C2 (de) * 1997-07-09 2001-07-12 Guenter Gauglitz Vorrichtung, Sensorelement und Verfahren zum Nachweis physikalischer oder chemischer Wechselwirkungen
DE19747343A1 (de) * 1997-10-27 1999-05-06 Jenoptik Jena Gmbh Partialdrucksensor
DE19942317C2 (de) * 1999-09-05 2003-03-20 Wolfgang Kowalsky Verfahren zur Feuchtebestimmung, Sensor zur Durchführung des Verfahrens und Meßanordnung
AU2003294535A1 (en) 2002-12-20 2004-07-14 Fiso Technologies Inc. Polarisation interferometric method and sensor for detecting a chemical substance

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4358851A (en) * 1980-02-28 1982-11-09 Xerox Corporation Fiber optic laser device and light emitter utilizing the device
EP0097695B1 (en) * 1981-12-30 1989-04-19 Mta Központi Fizikai Kutato Intezete Procedure for the production of a humidity-sensitive interference mirror, and procedure and equipment for the measurement of the humidity using said mirror
US4641524A (en) * 1985-08-15 1987-02-10 Kms Fusion, Inc. Optical humidity sensor
FR2594951B1 (fr) * 1986-02-24 1989-08-04 Photonique Ind Procede pour la mesure des caracteristiques physiques d'un milieu liquide ou gazeux et dispositif a fibres optiques pour sa mise en oeuvre
US4946275A (en) * 1988-03-31 1990-08-07 General Dynamics Corporation Convair Division Fiber optic position transducer
DE3832185A1 (de) * 1988-09-22 1990-03-29 Fedor Dipl Phys Dr Mitschke Feuchtesensor und messanordnung zur messung der feuchte

Also Published As

Publication number Publication date
ATE192574T1 (de) 2000-05-15
DK0536656T3 (da) 2000-09-18
DE4133126C2 (de) 1996-11-07
EP0536656B1 (de) 2000-05-03
DE4133126A1 (de) 1993-04-15
EP0536656A1 (de) 1993-04-14

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