RU2020131700A - SIGNALING METHOD USING FIBER-OPTIC SECURITY DETECTOR WITH HARDWARE DELAY LINE - Google Patents

SIGNALING METHOD USING FIBER-OPTIC SECURITY DETECTOR WITH HARDWARE DELAY LINE Download PDF

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Publication number
RU2020131700A
RU2020131700A RU2020131700A RU2020131700A RU2020131700A RU 2020131700 A RU2020131700 A RU 2020131700A RU 2020131700 A RU2020131700 A RU 2020131700A RU 2020131700 A RU2020131700 A RU 2020131700A RU 2020131700 A RU2020131700 A RU 2020131700A
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Russia
Prior art keywords
interferometer
delay line
detector
optical
fiber
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RU2020131700A
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Russian (ru)
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RU2770142C2 (en
RU2020131700A3 (en
Inventor
Леонид Иванович Бризицкий
Сергей Львович Мелихов
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Акционерное Общество "Институт "Оргэнергострой"
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Priority to RU2020131700A priority Critical patent/RU2770142C2/en
Publication of RU2020131700A publication Critical patent/RU2020131700A/en
Publication of RU2020131700A3 publication Critical patent/RU2020131700A3/ru
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    • 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
    • G01D5/35306Mechanical 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
    • G01D5/35325Mechanical 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 interferometer with two arms in reflection, e.g. Mickelson interferometer

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optical Transform (AREA)
  • Light Guides In General And Applications Therefor (AREA)

Claims (8)

1. Способ сигнализации с использованием извещателя охранного волоконно-оптического с линейной частью с, по меньшей мере, одним интерферометром, в соответствии с которым: обеспечивают размещение чувствительных элементов линейной части извещателя охранного волоконно-оптического, представляющей собой разветвленную оптическую схему, которую посредством соединительных муфт, содержащих сплиттеры и аппаратные линии задержки, и волоконно-оптического кабеля, размещают на элементах ограждения (на козырьке, и/или на полотне, и/или на противоподкопном заграждении), формируют лазерный импульс с выхода приемопередающего устройства на вход упомянутой линейной части и получают возвращенный импульс, являющийся сигналом отражения, на вход приемопередающего устройства по тому же пути, но в обратном направлении, причем линейная часть содержит оптическую схему разомкнутого и/или замкнутого интерферометра для извещателя охранного волоконно-оптического, содержащую разомкнутый и/или замкнутый контур, формирующий сигнал отражений, у которого одни и те же отрезки оптические волокна кабеля являются чувствительными элементами интерферометров, в которых создается сдвиг фазы зондирующего импульса в соответствии с оказанным физическим воздействием, при этом регистрируют изменение величины сигнала отражения, соответствующее величине и характеру упругой деформации чувствительных элементов, причем упомянутая аппаратная линия задержки представляет собой оптическую линию задержки, выполненную посредством соединения в оптическую цепь необходимой длины резервных жил волоконно-оптического кабеля. 1. The method of signaling using a security fiber-optic detector with a linear part with at least one interferometer, according to which: provide the placement of sensitive elements of the linear part of the security fiber-optic detector, which is a branched optical circuit, which by means of couplings , containing splitters and hardware delay lines, and a fiber-optic cable, are placed on the elements of the fence (on the visor, and / or on the canvas, and / or on the undermining barrier), a laser pulse is formed from the output of the transceiver device to the input of the mentioned linear part and receive the returned pulse, which is a reflection signal, to the input of the transceiver along the same path, but in the opposite direction, and the linear part contains an optical circuit of an open and / or closed interferometer for a fiber-optic security detector, containing an open and / or closed circuit, forming transmitting a reflection signal, in which the same segments of the optical fibers of the cable are sensitive elements of interferometers, in which a phase shift of the probing pulse is created in accordance with the physical impact, while registering a change in the magnitude of the reflection signal corresponding to the magnitude and nature of the elastic deformation of the sensitive elements, moreover, the said hardware delay line is an optical delay line made by connecting the required length of the redundant cores of the fiber optic cable into an optical circuit. 2. Способ по п. 1, характеризующийся тем, что разомкнутый интерферометр представляет собой интерферометр Майкельсона. 2. The method according to claim 1, characterized in that the open interferometer is a Michelson interferometer. 3. Способ по п. 1, характеризующийся тем, что замкнутый интерферометр представляет собой интерферометр Маха-Цендера или интерферометр Саньяка. 3. The method according to claim 1, characterized in that the closed interferometer is a Mach-Zehnder interferometer or a Sagnac interferometer. 4. Способ по п. 1, характеризующийся тем, что оптическая линия задержки предназначена для использования в составе оптической схемы интерферометра Маха-Цендера для упомянутого извещателя. 4. The method according to claim 1, characterized in that the optical delay line is intended for use as part of the optical circuit of the Mach-Zehnder interferometer for the mentioned detector. 5. Способ по п. 1, характеризующийся тем, что оптическая линия задержки предназначена для использования в составе оптической схемы интерферометра Майкельсона для упомянутого извещателя. 5. The method according to claim 1, characterized in that the optical delay line is intended for use as part of the optical circuit of the Michelson interferometer for the mentioned detector. 6. Способ по п. 1, характеризующийся тем, что оптическая линия задержки предназначена для использования в составе оптической схемы интерферометра Саньяка для упомянутого извещателя. 6. The method according to claim 1, characterized in that the optical delay line is intended for use as part of the optical circuit of the Sagnac interferometer for the said detector. 7. Способ по п. 1, характеризующийся тем, что оптическая линия задержки предназначена для использования в составе оптической схемы чувствительных элементов для упомянутого извещателя. 7. The method according to claim 1, characterized in that the optical delay line is intended for use as part of the optical circuit of sensitive elements for the mentioned detector. 8. Способ по п. 1, характеризующийся тем, что оптическая линия задержки предназначена для использования в составе оптической схемы транспортной части для упомянутого извещателя.8. The method according to claim 1, characterized in that the optical delay line is intended for use as part of the optical circuit of the transport part for the said detector.
RU2020131700A 2020-09-28 2020-09-28 Method for signalling using a fibre-optic security detector with a hardware delay line RU2770142C2 (en)

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RU2020131700A RU2770142C2 (en) 2020-09-28 2020-09-28 Method for signalling using a fibre-optic security detector with a hardware delay line

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RU2020131700A RU2770142C2 (en) 2020-09-28 2020-09-28 Method for signalling using a fibre-optic security detector with a hardware delay line

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RU2020131700A true RU2020131700A (en) 2022-03-28
RU2020131700A3 RU2020131700A3 (en) 2022-03-28
RU2770142C2 RU2770142C2 (en) 2022-04-14

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Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6876786B2 (en) * 2002-10-02 2005-04-05 Cicese-Centro De Investigation Fiber-optic sensing system for distributed detection and localization of alarm conditions
US7488929B2 (en) * 2003-08-13 2009-02-10 Zygo Corporation Perimeter detection using fiber optic sensors

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RU2020131700A3 (en) 2022-03-28

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