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FR3061769B1 - JOULE THOMSON COOLED INFRARED DETECTION MODULE - Google Patents

JOULE THOMSON COOLED INFRARED DETECTION MODULE Download PDF

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Publication number
FR3061769B1
FR3061769B1 FR1750220A FR1750220A FR3061769B1 FR 3061769 B1 FR3061769 B1 FR 3061769B1 FR 1750220 A FR1750220 A FR 1750220A FR 1750220 A FR1750220 A FR 1750220A FR 3061769 B1 FR3061769 B1 FR 3061769B1
Authority
FR
France
Prior art keywords
detection module
infrared detection
outlet valve
joule
joule thomson
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.)
Active
Application number
FR1750220A
Other languages
French (fr)
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FR3061769A1 (en
Inventor
Bertrand Cottereau
Alain Spiess
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.)
Safran Electronics and Defense SAS
Original Assignee
Safran Electronics and Defense SAS
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 Safran Electronics and Defense SAS filed Critical Safran Electronics and Defense SAS
Priority to FR1750220A priority Critical patent/FR3061769B1/en
Publication of FR3061769A1 publication Critical patent/FR3061769A1/en
Application granted granted Critical
Publication of FR3061769B1 publication Critical patent/FR3061769B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
    • G01J5/00—Radiation pyrometry, e.g. infrared or optical thermometry
    • G01J5/02—Constructional details
    • G01J5/06—Arrangements for eliminating effects of disturbing radiation; Arrangements for compensating changes in sensitivity
    • G01J5/061—Arrangements for eliminating effects of disturbing radiation; Arrangements for compensating changes in sensitivity by controlling the temperature of the apparatus or parts thereof, e.g. using cooling means or thermostats
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
    • G01J5/00—Radiation pyrometry, e.g. infrared or optical thermometry
    • G01J5/02—Constructional details
    • G01J5/06—Arrangements for eliminating effects of disturbing radiation; Arrangements for compensating changes in sensitivity
    • G01J5/064—Ambient temperature sensor; Housing temperature sensor; Constructional details thereof

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Photometry And Measurement Of Optical Pulse Characteristics (AREA)

Abstract

Module de détection infrarouge (100) refroidi par refroidisseur (12) de type Joule Thomson comprenant : - un port de liaison (1) à un conteneur de gaz sous pression (2), le port de liaison (1) étant pourvu d'une vanne de sortie (3) ; - une unité de pilotage (50) comprenant des moyens de commande (53) de l'ouverture et de la fermeture de la vanne de sortie (3) ; - un ref roidisseur (12) de type Joule-Thomson pour refroidir une cellule de mesure infrarouge (30) ; - des moyens de mesure de la température (40) de la cellule de mesure infrarouge 30), l'unité de pilotage (50) comprenant des moyens de moduler une largeur d'impulsion d'un signal de commande d'ouverture et/ou de fermeture (53) de la vanne de sortie (3).Infrared detection module (100) cooled by Joule Thomson type cooler (12) comprising: - a connection port (1) to a pressurized gas container (2), the connection port (1) being provided with a outlet valve (3); - a control unit (50) comprising control means (53) for the opening and closing of the outlet valve (3); - a Joule-Thomson type cooler (12) for cooling an infrared measuring cell (30); - means for measuring the temperature (40) of the infrared measuring cell 30), the control unit (50) comprising means for modulating a pulse width of an opening control signal and / or closure (53) of the outlet valve (3).

FR1750220A 2017-01-10 2017-01-10 JOULE THOMSON COOLED INFRARED DETECTION MODULE Active FR3061769B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR1750220A FR3061769B1 (en) 2017-01-10 2017-01-10 JOULE THOMSON COOLED INFRARED DETECTION MODULE

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR1750220 2017-01-10
FR1750220A FR3061769B1 (en) 2017-01-10 2017-01-10 JOULE THOMSON COOLED INFRARED DETECTION MODULE

Publications (2)

Publication Number Publication Date
FR3061769A1 FR3061769A1 (en) 2018-07-13
FR3061769B1 true FR3061769B1 (en) 2020-11-13

Family

ID=59296901

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1750220A Active FR3061769B1 (en) 2017-01-10 2017-01-10 JOULE THOMSON COOLED INFRARED DETECTION MODULE

Country Status (1)

Country Link
FR (1) FR3061769B1 (en)

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4226820A1 (en) * 1992-08-13 1994-02-17 Bodenseewerk Geraetetech Cooling system for cooling a cooling object to low temperatures using a Joule-Thomson cooler
IL170266A (en) * 2005-08-11 2009-06-15 Rafael Advanced Defense System Ltd Reducing temperature stabilization time of an ir detector in the j-t cryogenic cooling process
FR3022991B1 (en) * 2014-06-30 2016-07-01 Air Liquide JOULE-THOMSON COOLING DEVICE AND PHOTO-DETECTION APPARATUS COMPRISING SUCH A DEVICE

Also Published As

Publication number Publication date
FR3061769A1 (en) 2018-07-13

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