[go: up one dir, main page]

RU2012132132A - DEVICE FOR OPTICAL IDENTIFICATION OF MEASURING CHANNELS OF THE SYSTEM OF THE BUILT-IN NON-DESTRUCTIVE TEST ON THE BASIS OF FIBER-OPTICAL BRAGG SENSORS - Google Patents

DEVICE FOR OPTICAL IDENTIFICATION OF MEASURING CHANNELS OF THE SYSTEM OF THE BUILT-IN NON-DESTRUCTIVE TEST ON THE BASIS OF FIBER-OPTICAL BRAGG SENSORS Download PDF

Info

Publication number
RU2012132132A
RU2012132132A RU2012132132/28A RU2012132132A RU2012132132A RU 2012132132 A RU2012132132 A RU 2012132132A RU 2012132132/28 A RU2012132132/28 A RU 2012132132/28A RU 2012132132 A RU2012132132 A RU 2012132132A RU 2012132132 A RU2012132132 A RU 2012132132A
Authority
RU
Russia
Prior art keywords
optical
pole
output
splitter
measuring
Prior art date
Application number
RU2012132132/28A
Other languages
Russian (ru)
Other versions
RU2510609C2 (en
Inventor
Валерий Ефимович Карасик
Алексей Борисович Пнев
Владимир Алексеевич Лазарев
Дмитрий Александрович Шелестов
Владимир Александрович Нелюб
Иван Андреевич Буянов
Original Assignee
Федеральное государственное бюджетное образовательное учреждение высшего профессионального образования "Московский государственный технический университет имени Н.Э. Баумана" (МГТУ им. Н.Э. Баумана)
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 Федеральное государственное бюджетное образовательное учреждение высшего профессионального образования "Московский государственный технический университет имени Н.Э. Баумана" (МГТУ им. Н.Э. Баумана) filed Critical Федеральное государственное бюджетное образовательное учреждение высшего профессионального образования "Московский государственный технический университет имени Н.Э. Баумана" (МГТУ им. Н.Э. Баумана)
Priority to RU2012132132/28A priority Critical patent/RU2510609C2/en
Priority to PCT/RU2012/001096 priority patent/WO2014017946A1/en
Priority to EA201401315A priority patent/EA026181B1/en
Publication of RU2012132132A publication Critical patent/RU2012132132A/en
Application granted granted Critical
Publication of RU2510609C2 publication Critical patent/RU2510609C2/en

Links

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
    • G01D5/32—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 attenuation or whole or partial obturation of beams of light
    • G01D5/34—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 attenuation or whole or partial obturation of beams of light the beams of light being detected by photocells
    • G01D5/353—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 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
    • G01D5/35306—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 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 using an interferometer arrangement
    • G01D5/35309—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 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 using an interferometer arrangement using multiple waves interferometer
    • G01D5/35316—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 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 using an interferometer arrangement using multiple waves interferometer using a Bragg gratings
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Testing Of Optical Devices Or Fibers (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
  • Arrangements For Transmission Of Measured Signals (AREA)
  • Length Measuring Devices By Optical Means (AREA)

Abstract

Устройство оптической идентификации измерительных каналов системы встроенного неразрушающего контроля на основе волоконно-оптических брэгговских датчиков, содержащее источник оптического излучения, трехполюсный оптический разветвитель, опорную брэгговскую решетку с известной характеристикой длины волны отраженного излучения, несколько измерительных каналов с измерительными волоконными брэгговскими решетками, размещенными на объекте контроля, систему изоляции опорной решетки от внешних возмущающих воздействий, в том числе систему термостабилизации; фотоприемное устройство (ФПУ) и блок регистрации и преобразования сигналов для связи с ЭВМ, отличающееся тем, что адресные опорные решетки с неповторяющимися характеристиками длин волн отраженного излучения по одной встроены в каждый измерительный канал, причем все опорные решетки размещены в корпусе с системой изоляции от внешних возмущающих условий; в качестве непрерывного широкополосного источника оптического излучения использован суперлюминесцентный диод; дополнительно есть оптический изолятор и оптический переключатель, причем оптический изолятор установлен между выходом источника и входным полюсом трехполюсного разветвителя, один выходной полюс которого соединен с общим входом оптического переключателя, каждый подключаемый выход которого соединен со своим измерительным каналом, а другой выходной полюс разветвителя соединен со входом ФПУ и блока регистрации и преобразования сигналов.A device for optical identification of measuring channels of an integrated non-destructive testing system based on fiber-optic Bragg sensors, containing an optical radiation source, a three-pole optical splitter, a reference Bragg grating with a known characteristic of the reflected wavelength, several measuring channels with measuring fiber Bragg gratings located on the test object , a system for isolating the support grid from external disturbing influences, including the system him thermal stabilization; a photodetector (FPU) and a signal recording and conversion unit for communication with a computer, characterized in that the address reference gratings with non-repetitive characteristics of the reflected radiation wavelengths are integrated one by one into each measuring channel, and all the reference gratings are placed in a housing with an isolation system from external disturbing conditions; a superluminescent diode was used as a continuous broadband optical radiation source; additionally there is an optical isolator and an optical switch, the optical isolator being installed between the source output and the input pole of the three-pole splitter, one output pole of which is connected to a common input of the optical switch, each connected output of which is connected to its measuring channel, and the other output pole of the splitter is connected to the input FPU and block registration and signal conversion.

Claims (1)

Устройство оптической идентификации измерительных каналов системы встроенного неразрушающего контроля на основе волоконно-оптических брэгговских датчиков, содержащее источник оптического излучения, трехполюсный оптический разветвитель, опорную брэгговскую решетку с известной характеристикой длины волны отраженного излучения, несколько измерительных каналов с измерительными волоконными брэгговскими решетками, размещенными на объекте контроля, систему изоляции опорной решетки от внешних возмущающих воздействий, в том числе систему термостабилизации; фотоприемное устройство (ФПУ) и блок регистрации и преобразования сигналов для связи с ЭВМ, отличающееся тем, что адресные опорные решетки с неповторяющимися характеристиками длин волн отраженного излучения по одной встроены в каждый измерительный канал, причем все опорные решетки размещены в корпусе с системой изоляции от внешних возмущающих условий; в качестве непрерывного широкополосного источника оптического излучения использован суперлюминесцентный диод; дополнительно есть оптический изолятор и оптический переключатель, причем оптический изолятор установлен между выходом источника и входным полюсом трехполюсного разветвителя, один выходной полюс которого соединен с общим входом оптического переключателя, каждый подключаемый выход которого соединен со своим измерительным каналом, а другой выходной полюс разветвителя соединен со входом ФПУ и блока регистрации и преобразования сигналов. A device for optical identification of measuring channels of an integrated non-destructive testing system based on fiber-optic Bragg sensors, comprising a source of optical radiation, a three-pole optical splitter, a support Bragg grating with a known characteristic of the reflected wavelength, several measuring channels with measuring fiber Bragg gratings located on the test object , a system for isolating the support grid from external disturbing influences, including the system him thermal stabilization; a photodetector (FPU) and a signal recording and conversion unit for communication with a computer, characterized in that the address reference gratings with non-repetitive characteristics of the reflected radiation wavelengths are integrated one by one into each measuring channel, and all the reference gratings are housed in a housing with an isolation system from external disturbing conditions; a superluminescent diode was used as a continuous broadband optical radiation source; in addition, there is an optical isolator and an optical switch, the optical isolator being installed between the source output and the input pole of the three-pole splitter, one output pole of which is connected to a common input of the optical switch, each connected output of which is connected to its measuring channel, and the other output pole of the splitter is connected to the input FPU and block registration and signal conversion.
RU2012132132/28A 2012-07-27 2012-07-27 Apparatus for optical identification of measurement channels of built-in nondestructive inspection system based on fibre-optic bragg sensors RU2510609C2 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
RU2012132132/28A RU2510609C2 (en) 2012-07-27 2012-07-27 Apparatus for optical identification of measurement channels of built-in nondestructive inspection system based on fibre-optic bragg sensors
PCT/RU2012/001096 WO2014017946A1 (en) 2012-07-27 2012-12-21 Device for the optical identification of optical channels
EA201401315A EA026181B1 (en) 2012-07-27 2012-12-21 Device for optical identification of measurement channels of a built-in non-destructive control system based on fiber-optic bragg gratings

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
RU2012132132/28A RU2510609C2 (en) 2012-07-27 2012-07-27 Apparatus for optical identification of measurement channels of built-in nondestructive inspection system based on fibre-optic bragg sensors

Publications (2)

Publication Number Publication Date
RU2012132132A true RU2012132132A (en) 2014-02-10
RU2510609C2 RU2510609C2 (en) 2014-04-10

Family

ID=49997627

Family Applications (1)

Application Number Title Priority Date Filing Date
RU2012132132/28A RU2510609C2 (en) 2012-07-27 2012-07-27 Apparatus for optical identification of measurement channels of built-in nondestructive inspection system based on fibre-optic bragg sensors

Country Status (3)

Country Link
EA (1) EA026181B1 (en)
RU (1) RU2510609C2 (en)
WO (1) WO2014017946A1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113465656A (en) * 2021-04-30 2021-10-01 潍坊嘉腾液压技术有限公司 Tester for detecting fluid composite parameters and data processing method

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2621931C1 (en) * 2016-04-28 2017-06-08 Акционерное общество "Авиаавтоматика" имени В.В. Тарасова" Control device of stress-strain condition of aircraft structure
RU170943U1 (en) * 2016-09-06 2017-05-16 Общество с ограниченной ответственностью "ТСТ Инжиниринг" DISTRIBUTED FIBER OPTICAL SENSOR
JP3222970U (en) * 2016-09-06 2019-09-12 リミテッド ライアビリティー カンパニー “ティーエスティー エンジニアリング” Distributed optical fiber sensor
RU2719318C1 (en) * 2020-01-28 2020-04-17 Ооо "Новел Ил" Method of transmitting information over fiber-optic communication lines with distributed access nodes
RU2739069C1 (en) * 2020-06-16 2020-12-21 Общество с ограниченной ответственностью «Сфера Телеком» Device for organization of distillation communication and method of organization of distillation communication (embodiments)

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5828059A (en) * 1996-09-09 1998-10-27 Udd; Eric Transverse strain measurements using fiber optic grating based sensors
US6449047B1 (en) * 1998-11-13 2002-09-10 Micron Optics, Inc. Calibrated swept-wavelength laser and interrogator system for testing wavelength-division multiplexing system
RU2282142C1 (en) * 2004-12-28 2006-08-20 Закрытое акционерное общество ЦНИТИ "Техномаш-ВОС" (ЗАО ЦНИТИ "Техномаш-ВОС") Fiber-optic deformation sensor
US8400640B2 (en) * 2008-10-23 2013-03-19 Pusan National University Industry-University Cooperation Foundation Optical sensor interrogation system based on FDML wavelength swept laser
RU2413259C1 (en) * 2009-07-20 2011-02-27 Институт автоматики и процессов управления Дальневосточного отделения Российской академии наук (статус государственного учреждения) (ИАПУ ДВО РАН) Method of detecting signals of measuring transducers based on bragg gratings, recorded in single fibre optical guide
CN102762959A (en) * 2009-12-21 2012-10-31 沃特福德技术学院 Interrogation of wavelength-specfic devices
WO2011141829A1 (en) * 2010-05-11 2011-11-17 Koninklijke Philips Electronics N.V. Method and apparatus for dynamic tracking of medical devices using fiber bragg gratings

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113465656A (en) * 2021-04-30 2021-10-01 潍坊嘉腾液压技术有限公司 Tester for detecting fluid composite parameters and data processing method
CN113465656B (en) * 2021-04-30 2023-08-15 潍坊嘉腾液压技术有限公司 Tester for detecting fluid composite parameters and data processing method

Also Published As

Publication number Publication date
WO2014017946A1 (en) 2014-01-30
EA201401315A1 (en) 2015-05-29
EA026181B1 (en) 2017-03-31
RU2510609C2 (en) 2014-04-10

Similar Documents

Publication Publication Date Title
RU2012132132A (en) DEVICE FOR OPTICAL IDENTIFICATION OF MEASURING CHANNELS OF THE SYSTEM OF THE BUILT-IN NON-DESTRUCTIVE TEST ON THE BASIS OF FIBER-OPTICAL BRAGG SENSORS
US9599460B2 (en) Hybrid Raman and Brillouin scattering in few-mode fibers
CN103196473B (en) Multi-channel high-accuracy fiber grating sensing demodulation device and demodulation method thereof
Sovran et al. Frequency-scanning BOTDA with ultimately fast acquisition speed
RU65223U1 (en) FIBER OPTICAL DEVICE FOR MEASURING TEMPERATURE DISTRIBUTION (OPTIONS)
RU2413188C2 (en) Fibre-optic device for measuring temperature distribution (versions)
US10731969B2 (en) In-line fiber sensing, noise cancellation and strain detection
RU2552222C1 (en) Method of measuring temperature distribution and device for realising said method
CN207036297U (en) A kind of optical fiber grating temperature-measuring system
KR20130126150A (en) A raman sensor system for fiber distributed temperature measurment
RU2434208C2 (en) Fibre-optic device for measuring temperature distribution (versions)
GB2525785A (en) Optical monitoring system
Zou et al. Dynamic strain measurement using two wavelength-matched fiber Bragg grating sensors interrogated by a cascaded long-period fiber grating
Hegyi et al. Time-and wavelength-multiplexed wavelength shift detection for high-resolution, low-cost distributed fiber-optic sensing
Yu et al. Frequency-division multiplexing sensing system based on multilongitudinal mode fiber lasers and beat frequency demodulation
CA2898142C (en) Real-time non-linear optical strain gauge system
Nunes et al. FBG sensor multiplexing system based on the TDM and fixed filters approach
Martins et al. Temperature-insensitive strain sensor based on four-wave mixing using Raman fiber Bragg grating laser sensor with cooperative Rayleigh scattering
WO2013117326A3 (en) Measuring arrangement and method for capturing the stress in a flexible object
RU2527308C1 (en) Fibre-optic thermometer
CN202631153U (en) Single-port distributed optic fiber temperature sensor with automatic compensation function
Henderson Highly-multiplexed grating-sensors for temperature-referenced quasi-static measurements of strain in concrete bridges
RU2624837C1 (en) Fiber-optic interferometric device for detecting phase signals
KR101674739B1 (en) Distribution type optical sensor to measure simultaneously temperature and tension
US20170205254A1 (en) Method and apparatus for measuring physical quantity based on time and wavelength division multiplexing (twdm)