FR3145642B1 - Procédé et système de mesure de position d’un élément mobile en translation d’un réacteur nucléaire - Google Patents

Procédé et système de mesure de position d’un élément mobile en translation d’un réacteur nucléaire Download PDF

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Publication number
FR3145642B1
FR3145642B1 FR2106749A FR2106749A FR3145642B1 FR 3145642 B1 FR3145642 B1 FR 3145642B1 FR 2106749 A FR2106749 A FR 2106749A FR 2106749 A FR2106749 A FR 2106749A FR 3145642 B1 FR3145642 B1 FR 3145642B1
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France
Prior art keywords
optical signals
measuring
nuclear reactor
optical fibers
receivers
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Active
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FR2106749A
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English (en)
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FR3145642A1 (fr
Inventor
Carl Zinoni
François Donnier
Michel Brun
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.)
Societe Technique pour lEnergie Atomique Technicatome SA
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Societe Technique pour lEnergie Atomique Technicatome SA
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Priority to FR2106749A priority Critical patent/FR3145642B1/fr
Publication of FR3145642A1 publication Critical patent/FR3145642A1/fr
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Classifications

    • G—PHYSICS
    • G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
    • G21C—NUCLEAR REACTORS
    • G21C17/00—Monitoring; Testing ; Maintaining
    • G21C17/10—Structural combination of fuel element, control rod, reactor core, or moderator structure with sensitive instruments, e.g. for measuring radioactivity, strain
    • 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
    • G01D5/268—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 using optical fibres
    • 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
    • G01D5/347—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 using displacement encoding scales
    • G01D5/34746—Linear encoders
    • 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
    • G01D5/347—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 using displacement encoding scales
    • G01D5/34776—Absolute encoders with analogue or digital scales
    • G01D5/34792—Absolute encoders with analogue or digital scales with only digital scales or both digital and incremental scales
    • G—PHYSICS
    • G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
    • G21C—NUCLEAR REACTORS
    • G21C17/00—Monitoring; Testing ; Maintaining
    • G21C17/10—Structural combination of fuel element, control rod, reactor core, or moderator structure with sensitive instruments, e.g. for measuring radioactivity, strain
    • G21C17/12—Sensitive element forming part of control element

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Plasma & Fusion (AREA)
  • General Engineering & Computer Science (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Length Measuring Devices By Optical Means (AREA)

Abstract

PROCEDE DE MESURE DE POSITION D’UN ELEMENT MOBILE D’UN REACTEUR NUCLEAIRE L’invention concerne un procédé (300) de mesure de position d’un élément mobile en translation (111) d’un réacteur nucléaire, comprenant les étapes suivantes : Emission (301) de kN signaux optiques (210), k et N étant des entiers naturels supérieurs ou égaux à 1, par kN fibres optiques dites émettrices (215) comprises dans N sondes résistantes à un milieu primaire ; Réception (302) des kN signaux optiques par N pistes (22) résistantes à un milieu primaire, chaque piste recevant k signaux optiques, lesdites pistes étant constituées de surfaces réfléchissantes (222) et de surfaces diffusantes (221) ; Réception (303) par mN fibres optiques dites réceptrices (214), m étant un entier naturel supérieur ou égal à k, comprises dans les N sondes (21) des kN signaux optiques réfléchis (2221) ou diffusés (2211) par les N pistes (22) ; Conversion (304) des kN signaux optiques reçus par les mN fibres optiques réceptrices (214) en code binaire. par les mN fibres optiques réceptrices (214) en code binaire. Figure à publier avec l'abrégé : Figure 7
FR2106749A 2021-06-24 2021-06-24 Procédé et système de mesure de position d’un élément mobile en translation d’un réacteur nucléaire Active FR3145642B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR2106749A FR3145642B1 (fr) 2021-06-24 2021-06-24 Procédé et système de mesure de position d’un élément mobile en translation d’un réacteur nucléaire

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR2106749A FR3145642B1 (fr) 2021-06-24 2021-06-24 Procédé et système de mesure de position d’un élément mobile en translation d’un réacteur nucléaire
FR2106749 2021-06-24

Publications (2)

Publication Number Publication Date
FR3145642A1 FR3145642A1 (fr) 2024-08-09
FR3145642B1 true FR3145642B1 (fr) 2025-03-07

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Family Applications (1)

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FR2106749A Active FR3145642B1 (fr) 2021-06-24 2021-06-24 Procédé et système de mesure de position d’un élément mobile en translation d’un réacteur nucléaire

Country Status (1)

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FR (1) FR3145642B1 (fr)

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN204495287U (zh) * 2015-03-27 2015-07-22 江苏森博传感技术有限公司 一种基于光纤阵列和反射式数字编码器的位置传感器
FR3038444B1 (fr) 2015-06-30 2017-08-11 Soc Technique Pour L'energie Atomique Assemblage de penetration electrique de cuve d'un reacteur nucleaire
FR3039695B1 (fr) 2015-07-29 2017-09-01 Soc Technique Pour L'energie Atomique Reacteur nucleaire avec entrainement des organes de controle de la reactivite du coeur de type vis-ecrou

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FR3145642A1 (fr) 2024-08-09

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