BRPI0606051B8 - sensor óptico de temperatura e pressão - Google Patents

sensor óptico de temperatura e pressão

Info

Publication number
BRPI0606051B8
BRPI0606051B8 BRPI0606051A BRPI0606051A BRPI0606051B8 BR PI0606051 B8 BRPI0606051 B8 BR PI0606051B8 BR PI0606051 A BRPI0606051 A BR PI0606051A BR PI0606051 A BRPI0606051 A BR PI0606051A BR PI0606051 B8 BRPI0606051 B8 BR PI0606051B8
Authority
BR
Brazil
Prior art keywords
sensor
recess
optical
temperature
pressure
Prior art date
Application number
BRPI0606051A
Other languages
English (en)
Inventor
Martins Barbosa Braga Arthur
Carlos Blanco Linares Luiz
Carlos Guedes Valente Luiz
Waldo Ângulo Llerena Roberth
Original Assignee
Faculdade Católicas
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 Faculdade Católicas filed Critical Faculdade Católicas
Priority to BRPI0606051A priority Critical patent/BRPI0606051B8/pt
Priority to PCT/BR2007/000235 priority patent/WO2008031181A1/en
Publication of BRPI0606051A publication Critical patent/BRPI0606051A/pt
Publication of BRPI0606051B1 publication Critical patent/BRPI0606051B1/pt
Publication of BRPI0606051B8 publication Critical patent/BRPI0606051B8/pt

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
    • G01L11/00—Measuring steady or quasi-steady pressure of a fluid or a fluent solid material by means not provided for in group G01L7/00 or G01L9/00
    • G01L11/02—Measuring steady or quasi-steady pressure of a fluid or a fluent solid material by means not provided for in group G01L7/00 or G01L9/00 by optical means
    • G01L11/025—Measuring steady or quasi-steady pressure of a fluid or a fluent solid material by means not provided for in group G01L7/00 or G01L9/00 by optical means using a pressure-sensitive optical fibre
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
    • G01K11/00—Measuring temperature based upon physical or chemical changes not covered by groups G01K3/00, G01K5/00, G01K7/00 or G01K9/00
    • G01K11/32—Measuring 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
    • G01K11/3206—Measuring 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
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
    • G01L19/00—Details of, or accessories for, apparatus for measuring steady or quasi-steady pressure of a fluent medium insofar as such details or accessories are not special to particular types of pressure gauges
    • G01L19/0092—Pressure sensor associated with other sensors, e.g. for measuring acceleration or temperature
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/02—Optical fibres with cladding with or without a coating
    • G02B6/02057—Optical fibres with cladding with or without a coating comprising gratings
    • G02B6/02076—Refractive index modulation gratings, e.g. Bragg gratings
    • G02B6/02195—Refractive index modulation gratings, e.g. Bragg gratings characterised by means for tuning the grating
    • G02B6/022—Refractive index modulation gratings, e.g. Bragg gratings characterised by means for tuning the grating using mechanical stress, e.g. tuning by compression or elongation, special geometrical shapes such as "dog-bone" or taper
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/02—Optical fibres with cladding with or without a coating
    • G02B6/02057—Optical fibres with cladding with or without a coating comprising gratings
    • G02B6/02076—Refractive index modulation gratings, e.g. Bragg gratings
    • G02B6/02195—Refractive index modulation gratings, e.g. Bragg gratings characterised by means for tuning the grating
    • G02B6/02204—Refractive index modulation gratings, e.g. Bragg gratings characterised by means for tuning the grating using thermal effects, e.g. heating or cooling of a temperature sensitive mounting body

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Measuring Fluid Pressure (AREA)
  • Measuring Temperature Or Quantity Of Heat (AREA)

Abstract

sensor óptico de temperatura e pressão e uso do mesmo é descrito um sensor óptico (100) de pressão e temperatura para ser fixado em uma estrutura portadora, onde dito sensor compreende conectores ópticos (51, 51<39>) fixados em alojamentos (21, 21<39>) usinados em pinos (11d, 11d<39>) integrais aos ditos corpos cilíndricos (11c, 11c') e dotados de roscas (20, 20<39>); corpo (11a) propriamente dito do sensor, de formato geralmente retangular, com arestas (12) arredondadas e superfícies (13), (18) e (22), dito corpo (11a) sendo solidário ao corpo cilíndrico (11c), e de geometria tal que a diagonal maior é igual ou menor que o diâmetro do como cilíndrico(11c) de forma a apresentar sempre uma distância (11b) entre a superfície do corpo (11a) e a tangente axial paralela à dita superfície no corpo cilíndrico (11c) de forma que o corpo (11a) esteja sempre em balanço em relação ao corpo (11c), e onde dito corpo (11a) tem: b1) um primeiro rebaixo (13a) na superfície (13) para formação de uma das superfícies da membrana (17), no dito rebaixo (13a) sendo alojados: um bujão (31) dotado de canal (32) e um anel elástico (41) de trava; e b2) um segundo rebaixo (18a) na superfície (18) oposta à dita superfície (13), dito rebaixo definindo a espessura da dita membrana (17); e uma fibra óptica (15) contendo pelo menos duas redes de bragg (16a, 16b) fixadas sobre a dita membrana (17), a dita fibra (15) sendo integralmente contida no interior do dito sensor entre os conectores ópticos (51, 51<39>) através de canais (15a, 15a<39>) e um dispositivo de conexão flexível (23), pelo que é garantida a ausência de efeito de offset de pressão e temperatura na medição efetuada. um sensor óptico (200) alternativo é igualmente descrito, bem como os usos dos mesmos.
BRPI0606051A 2006-09-14 2006-09-14 sensor óptico de temperatura e pressão BRPI0606051B8 (pt)

Priority Applications (2)

Application Number Priority Date Filing Date Title
BRPI0606051A BRPI0606051B8 (pt) 2006-09-14 2006-09-14 sensor óptico de temperatura e pressão
PCT/BR2007/000235 WO2008031181A1 (en) 2006-09-14 2007-09-13 Temperature and pressure optical sensor and use thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
BRPI0606051A BRPI0606051B8 (pt) 2006-09-14 2006-09-14 sensor óptico de temperatura e pressão

Publications (3)

Publication Number Publication Date
BRPI0606051A BRPI0606051A (pt) 2008-04-29
BRPI0606051B1 BRPI0606051B1 (pt) 2016-10-18
BRPI0606051B8 true BRPI0606051B8 (pt) 2017-03-21

Family

ID=39183291

Family Applications (1)

Application Number Title Priority Date Filing Date
BRPI0606051A BRPI0606051B8 (pt) 2006-09-14 2006-09-14 sensor óptico de temperatura e pressão

Country Status (2)

Country Link
BR (1) BRPI0606051B8 (pt)
WO (1) WO2008031181A1 (pt)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8417084B2 (en) * 2007-01-16 2013-04-09 Baker Hughes Incorporated Distributed optical pressure and temperature sensors
US7840102B2 (en) 2007-01-16 2010-11-23 Baker Hughes Incorporated Distributed optical pressure and temperature sensors
JP6147125B2 (ja) * 2013-07-19 2017-06-14 東京都 光式圧力センサ
CN113281301B (zh) * 2021-05-13 2022-10-04 桂林电子科技大学 一种圆环-矩形谐振腔结构的折射率、温度传感器

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6278811B1 (en) * 1998-12-04 2001-08-21 Arthur D. Hay Fiber optic bragg grating pressure sensor
US6490931B1 (en) * 1998-12-04 2002-12-10 Weatherford/Lamb, Inc. Fused tension-based fiber grating pressure sensor

Also Published As

Publication number Publication date
BRPI0606051B1 (pt) 2016-10-18
BRPI0606051A (pt) 2008-04-29
WO2008031181A1 (en) 2008-03-20

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Legal Events

Date Code Title Description
B65X Notification of requirement for priority examination of patent application
B65Y Grant of priority examination of the patent application (request complies with dec. 132/06 of 20061117)
B06A Notification to applicant to reply to the report for non-patentability or inadequacy of the application according art. 36 industrial patent law
B09A Decision: intention to grant
B16A Patent or certificate of addition of invention granted

Free format text: PRAZO DE VALIDADE: 10 (DEZ) ANOS CONTADOS A PARTIR DE 18/10/2016, OBSERVADAS AS CONDICOES LEGAIS.

B16C Correction of notification of the grant