CA3096778A1 - Apparatus for monitoring a measurand - Google Patents

Apparatus for monitoring a measurand Download PDF

Info

Publication number
CA3096778A1
CA3096778A1 CA3096778A CA3096778A CA3096778A1 CA 3096778 A1 CA3096778 A1 CA 3096778A1 CA 3096778 A CA3096778 A CA 3096778A CA 3096778 A CA3096778 A CA 3096778A CA 3096778 A1 CA3096778 A1 CA 3096778A1
Authority
CA
Canada
Prior art keywords
sensor
sensors
measurand
wavelength
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.)
Pending
Application number
CA3096778A
Other languages
English (en)
French (fr)
Inventor
Crispin Doyle
Kevin Jones
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.)
Kidde Technologies Inc
Original Assignee
Kidde Technologies Inc
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 Kidde Technologies Inc filed Critical Kidde Technologies Inc
Publication of CA3096778A1 publication Critical patent/CA3096778A1/en
Pending legal-status Critical Current

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
    • 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
    • G01D5/35338—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 other arrangements than interferometer arrangements
    • G01D5/35354—Sensor working in reflection
    • 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
    • G01D5/35383—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 multiple sensor devices using multiplexing techniques
    • 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
    • G01L1/00—Measuring force or stress, in general
    • G01L1/24—Measuring force or stress, in general by measuring variations of optical properties of material when it is stressed, e.g. by photoelastic stress analysis using infrared, visible light, ultraviolet
    • G01L1/242—Measuring force or stress, in general by measuring variations of optical properties of material when it is stressed, e.g. by photoelastic stress analysis using infrared, visible light, ultraviolet the material being an optical fibre
    • G01L1/246—Measuring force or stress, in general by measuring variations of optical properties of material when it is stressed, e.g. by photoelastic stress analysis using infrared, visible light, ultraviolet the material being an optical fibre using integrated gratings, e.g. Bragg gratings

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
  • Optical Transform (AREA)
  • Measuring Temperature Or Quantity Of Heat (AREA)
  • Length Measuring Devices By Optical Means (AREA)
CA3096778A 2018-04-09 2019-03-29 Apparatus for monitoring a measurand Pending CA3096778A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GB1805874.3A GB2572767B (en) 2018-04-09 2018-04-09 Apparatus for monitoring a measurand
GB1805874.3 2018-04-09
PCT/GB2019/050930 WO2019197800A2 (en) 2018-04-09 2019-03-29 Apparatus for monitoring a measurand

Publications (1)

Publication Number Publication Date
CA3096778A1 true CA3096778A1 (en) 2019-10-17

Family

ID=62202828

Family Applications (1)

Application Number Title Priority Date Filing Date
CA3096778A Pending CA3096778A1 (en) 2018-04-09 2019-03-29 Apparatus for monitoring a measurand

Country Status (7)

Country Link
US (1) US11549829B2 (https=)
EP (1) EP3775788B1 (https=)
JP (1) JP7285268B2 (https=)
CN (1) CN112105894B (https=)
CA (1) CA3096778A1 (https=)
GB (1) GB2572767B (https=)
WO (1) WO2019197800A2 (https=)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114046898B (zh) * 2021-11-05 2024-09-13 天津航空机电有限公司 一种飞机引气泄漏过热探测器、系统及飞行器
US20230384126A1 (en) * 2022-05-27 2023-11-30 Kidde Technologies, Inc. Digital data encoding in optical fibers using fiber bragg gratings
WO2024091127A1 (en) * 2022-10-26 2024-05-02 Victoria Link Limited Improved optical fibre sensing
JP2025020005A (ja) * 2023-07-28 2025-02-07 キストラー ホールディング アクチエンゲゼルシャフト 少なくとも１つの物理パラメータを決定する光ファイバシステムおよび光ファイバシステムを使用して少なくとも１つの物理パラメータを決定する方法
CN118658260B (zh) * 2024-08-21 2024-11-19 营口新山鹰报警设备有限公司 一种无源感烟火灾探测器、感烟报警系统及探测方法

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5757487A (en) * 1997-01-30 1998-05-26 The United States Of America As Represented By The Secretary Of The Navy Methods and apparatus for distributed optical fiber sensing of strain or multiple parameters
US6075907A (en) * 1997-09-12 2000-06-13 Corning Incorporated Dual wavelength interrogation sensor employing long-period gratings
US6785004B2 (en) * 2000-11-29 2004-08-31 Weatherford/Lamb, Inc. Method and apparatus for interrogating fiber optic sensors
US7282698B2 (en) * 2005-09-08 2007-10-16 Baker Hughes Incorporated System and method for monitoring a well
JP5380644B2 (ja) 2008-02-20 2014-01-08 アンリツ株式会社 物理量測定システム
JP2009229134A (ja) 2008-03-19 2009-10-08 Photonic Science Technology Inc 光センサシステム
US8208767B2 (en) * 2009-11-10 2012-06-26 Baker Hughes Incorporated Sensor array configuration for extending useful sensing length of a swept-wavelength interferometry based system
JP5684086B2 (ja) 2011-10-12 2015-03-11 株式会社豊田自動織機 物理量計測システム
CN102998654A (zh) 2012-11-23 2013-03-27 无锡儒安科技有限公司 基于被动式无线射频识别标签相位信息的定位方法及装置
US9810556B2 (en) 2014-04-02 2017-11-07 François Ouellette Apparatus for measuring optical signals from multiple optical fiber sensors
CN104006900A (zh) * 2014-06-12 2014-08-27 东华大学 一种多功能型结构健康和边界安防光纤监测系统
US9389174B2 (en) * 2014-06-18 2016-07-12 Weatherford Technology Holdings, Llc Time division multiplexing (TDM) and wavelength division multiplexing (WDM) sensor arrays
US10634524B2 (en) * 2018-03-06 2020-04-28 Kidde Technologies, Inc. Timing markers for fiber sensing systems

Also Published As

Publication number Publication date
CN112105894A (zh) 2020-12-18
CN112105894B (zh) 2023-06-02
WO2019197800A2 (en) 2019-10-17
US20210140802A1 (en) 2021-05-13
BR112020020746A2 (pt) 2021-01-19
EP3775788B1 (en) 2022-07-13
JP7285268B2 (ja) 2023-06-01
GB201805874D0 (en) 2018-05-23
GB2572767B (en) 2020-04-01
EP3775788A2 (en) 2021-02-17
JP2021532334A (ja) 2021-11-25
US11549829B2 (en) 2023-01-10
GB2572767A (en) 2019-10-16
WO2019197800A3 (en) 2019-12-05

Similar Documents

Publication Publication Date Title
CA3050237C (en) Apparatus and method for locating a measurand anomaly along a waveguide
US11549829B2 (en) Apparatus for monitoring a measurand
Bolognini et al. Raman-based fibre sensors: Trends and applications
US20160003782A1 (en) System for prediction and prevention of electric transformer failures
WO2011104319A1 (en) Monitoring techniques for passive optical networks
JP6263426B2 (ja) 分岐光線路特性解析システム、分岐光線路とその製造方法
CN106781193A (zh) 分区时分型光栅阵列光纤线型感温火灾探测系统及方法
Valente et al. Time and wavelength multiplexing of fiber Bragg grating sensors using a commercial OTDR
CN120581262A (zh) 信号线缆、信号监测系统及信号监测方法
Lombera et al. Experimental demonstration of a leakage monitoring system for large diameter water pipes using a fiber optic distributed sensor system
BR112020020746B1 (pt) Aparelho para monitorar um mensurando ao longo de uma guia deonda óptica
US11460329B2 (en) Sensor system
Hartog Distributed fiber-optic sensors
CN214407808U (zh) 一种基于光纤光栅的温度检测装置
KR100536940B1 (ko) 광섬유 브레그 격자 센서를 이용한 화재감지시스템
Gautam et al. Architecture of optical sensing and monitoring for pipelines using FBG
MUÑOZ NÚÑEZ et al. Analysis and Design of a Long Distance Distributed Optical Sensor Network Based on FBG
Polycarpou et al. Equipment Parameter Investigation for a Proposed Power Conductor Hot Spot Identification system
Nakamura et al. Proactive detection of optical cable failure caused by water freezing using 1-μm-band mode-detection OTDR
Pasquale et al. Raman based distributed optical fiber temperature sensors: Industrial applications and future developments
古敷谷優介 A Study on Long-Range High-Resolution Coherent Optical Frequency Domain Reflectometry Method with Applying Light-Source Phase-Noise Compensation
EP1918685A1 (en) System for detecting and localizing temperature variations and method

Legal Events

Date Code Title Description
EEER Examination request

Effective date: 20240320

MFA Maintenance fee for application paid

Free format text: FEE DESCRIPTION TEXT: MF (APPLICATION, 6TH ANNIV.) - STANDARD

Year of fee payment: 6

U00 Fee paid

Free format text: ST27 STATUS EVENT CODE: A-2-2-U10-U00-U101 (AS PROVIDED BY THE NATIONAL OFFICE); EVENT TEXT: MAINTENANCE REQUEST RECEIVED

Effective date: 20250314

U11 Full renewal or maintenance fee paid

Free format text: ST27 STATUS EVENT CODE: A-2-2-U10-U11-U102 (AS PROVIDED BY THE NATIONAL OFFICE); EVENT TEXT: MAINTENANCE FEE PAYMENT DETERMINED COMPLIANT

Effective date: 20250314

Free format text: ST27 STATUS EVENT CODE: A-2-2-U10-U11-U102 (AS PROVIDED BY THE NATIONAL OFFICE); EVENT TEXT: MAINTENANCE FEE PAYMENT PAID IN FULL

Effective date: 20250314

D15 Examination report completed

Free format text: ST27 STATUS EVENT CODE: A-2-2-D10-D15-D126 (AS PROVIDED BY THE NATIONAL OFFICE); EVENT TEXT: EXAMINER'S REPORT

Effective date: 20250410

P11 Amendment of application requested

Free format text: ST27 STATUS EVENT CODE: A-2-2-P10-P11-P100 (AS PROVIDED BY THE NATIONAL OFFICE); EVENT TEXT: AMENDMENT RECEIVED - RESPONSE TO EXAMINER'S REQUISITION

Effective date: 20250805

W00 Other event occurred

Free format text: ST27 STATUS EVENT CODE: A-2-2-W10-W00-W111 (AS PROVIDED BY THE NATIONAL OFFICE); EVENT TEXT: CORRESPONDENT DETERMINED COMPLIANT

Effective date: 20250807