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WO2004051211A3 - Detecteur par voie optique de la presence de bulles de gaz dans un liquide - Google Patents

Detecteur par voie optique de la presence de bulles de gaz dans un liquide Download PDF

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Publication number
WO2004051211A3
WO2004051211A3 PCT/FR2003/003480 FR0303480W WO2004051211A3 WO 2004051211 A3 WO2004051211 A3 WO 2004051211A3 FR 0303480 W FR0303480 W FR 0303480W WO 2004051211 A3 WO2004051211 A3 WO 2004051211A3
Authority
WO
WIPO (PCT)
Prior art keywords
successive measurements
light
light intensity
value
liquid
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.)
Ceased
Application number
PCT/FR2003/003480
Other languages
English (en)
Other versions
WO2004051211A2 (fr
Inventor
Pascal Castro
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.)
SC2N SAS
Original Assignee
SC2N 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 SC2N SAS filed Critical SC2N SAS
Priority to AU2003294079A priority Critical patent/AU2003294079A1/en
Priority to EP03789495A priority patent/EP1565717A2/fr
Priority to US10/536,472 priority patent/US7372063B2/en
Priority to BR0307926-0A priority patent/BR0307926A/pt
Priority to JP2004556421A priority patent/JP2006508356A/ja
Publication of WO2004051211A2 publication Critical patent/WO2004051211A2/fr
Anticipated expiration legal-status Critical
Publication of WO2004051211A3 publication Critical patent/WO2004051211A3/fr
Priority to US12/105,938 priority patent/US20080218746A1/en
Ceased legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
    • G01N21/47—Scattering, i.e. diffuse reflection
    • G01N21/49—Scattering, i.e. diffuse reflection within a body or fluid

Landscapes

  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)

Abstract

Procédé de détection de bulles de gaz dans un liquide adapté à un dispositif comprenant une source de lumière (1), un détecteur de lumière (2) et une unité de commande et de traitement de l’information (6) reliée à un système client (8) comportant les étapes d’émission de la lumière depuis la source de lumière (1), d’acquisition des mesures successives de l’intensité lumineuse perçue par le détecteur de lumière (2) et de calcul d’une variation entre deux mesures successives de ladite intensité lumineuse. Selon un premier mode de réalisation de l’invention, le procédé comporte en outre une étape de comparaison de la variation entre deux mesures successives de l’intensité lumineuse à un seuil S. Avantageusement, un compteur alerte est incrémenté d’une valeur A quand la variation entre deux mesures successives est supérieure au seuil S et décrémenter d’une valeur B dans le cas contraire. Un taux de bulles supérieur à un taux maximum autorisé est détecté lorsque ledit compteur d’alerte dépasse une valeur d’alerte C. Selon un second mode de réalisation de l’invention, le procédé comporte en outre une étape de calcul d’une valeur moyenne des variations entre deux mesures successsives de l’intensité lumineuse. Le système client est averti de cette valeur moyenne proportionnelle au taux de bulles dans le liquide.
PCT/FR2003/003480 2002-11-26 2003-11-25 Detecteur par voie optique de la presence de bulles de gaz dans un liquide Ceased WO2004051211A2 (fr)

Priority Applications (6)

Application Number Priority Date Filing Date Title
AU2003294079A AU2003294079A1 (en) 2002-11-26 2003-11-25 Optical detector for the presence of gas bubbles in a liquid
EP03789495A EP1565717A2 (fr) 2002-11-26 2003-11-25 Dispositif optique pour detecter la presence de bulles de gaz dans un liquide
US10/536,472 US7372063B2 (en) 2002-11-26 2003-11-25 Optical detector for the presence of gas bubbles in a liquid
BR0307926-0A BR0307926A (pt) 2002-11-26 2003-11-25 Detector por via óptica da presença de bolhas de gás dentro de um lìquido
JP2004556421A JP2006508356A (ja) 2002-11-26 2003-11-25 液体内に存在する気泡を検出するための光検出器
US12/105,938 US20080218746A1 (en) 2002-11-26 2008-04-18 Optical detector for the presence of gas bubbles in a liquid

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR02/14805 2002-11-26
FR0214805A FR2847670B1 (fr) 2002-11-26 2002-11-26 Detecteur par voie optique de la presence de bulles de gaz dans un liquide

Related Child Applications (1)

Application Number Title Priority Date Filing Date
US12/105,938 Continuation US20080218746A1 (en) 2002-11-26 2008-04-18 Optical detector for the presence of gas bubbles in a liquid

Publications (2)

Publication Number Publication Date
WO2004051211A2 WO2004051211A2 (fr) 2004-06-17
WO2004051211A3 true WO2004051211A3 (fr) 2005-06-09

Family

ID=32241613

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/FR2003/003480 Ceased WO2004051211A2 (fr) 2002-11-26 2003-11-25 Detecteur par voie optique de la presence de bulles de gaz dans un liquide

Country Status (7)

Country Link
US (2) US7372063B2 (fr)
EP (1) EP1565717A2 (fr)
JP (1) JP2006508356A (fr)
AU (1) AU2003294079A1 (fr)
BR (1) BR0307926A (fr)
FR (1) FR2847670B1 (fr)
WO (1) WO2004051211A2 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9366621B2 (en) 2012-04-19 2016-06-14 Zolo Technologies, Inc. In-furnace retro-reflectors with steerable tunable diode laser absorption spectrometer

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4352874B2 (ja) * 2002-12-10 2009-10-28 株式会社ニコン 露光装置及びデバイス製造方法
KR101354801B1 (ko) 2004-08-03 2014-01-22 가부시키가이샤 니콘 노광 장치, 노광 방법 및 디바이스 제조 방법
US8544279B2 (en) 2005-11-04 2013-10-01 Zolo Technologies, Inc. Method and apparatus for spectroscopic measurements in the combustion zone of a gas turbine engine
WO2009061586A2 (fr) * 2007-10-16 2009-05-14 Zolo Technologies, Inc. Sonde optique in situ et procédés
KR101935366B1 (ko) 2012-05-18 2019-01-04 삼성전자주식회사 미세 유체 소자 내의 유체를 감지 및 제어하는 장치 및 방법
KR20140141879A (ko) * 2013-05-31 2014-12-11 삼성전자주식회사 자동화된 핵산 분석 시스템
JP2015021932A (ja) * 2013-07-23 2015-02-02 パイオニア株式会社 気泡検出器及び気泡検出方法
US10072962B2 (en) * 2016-07-05 2018-09-11 Ecolab Usa Inc. Liquid out-of-product alarm system and method
CN106596623A (zh) * 2017-01-16 2017-04-26 沧州航天科宇测试仪器有限公司 一种沥青软化点测定仪的自适应光电检测装置及其方法
CN108896460A (zh) * 2018-08-16 2018-11-27 钟祥博谦信息科技有限公司 气体检测系统、方法、设备及存储介质
DE102019115603A1 (de) * 2019-06-07 2020-12-10 Endress+Hauser Conducta Gmbh+Co. Kg Verfahren zur Korrektur eines durch einen optischen Sensor ermittelten Primärmesssignals
JP7475151B2 (ja) * 2020-02-05 2024-04-26 アズビル株式会社 測定装置、および測定方法
CN115561254B (zh) * 2022-10-20 2024-12-17 宁波方太厨具有限公司 水状态的检测装置、检测方法、系统、烹饪设备和介质
CN115575340B (zh) * 2022-11-08 2023-03-10 杭州谱育科技发展有限公司 吸光度检测装置和方法

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2042113A5 (fr) * 1967-04-10 1971-02-05 American Standard Inc
US4659218A (en) * 1985-05-23 1987-04-21 Canadian Patents & Development Corporation Multi-probe system for measuring bubble characteristics gas hold-up, liquid hold-up and solid hold-up in a three-phase fluidized bed
US4830494A (en) * 1986-07-10 1989-05-16 Kowa Company Ltd. Method and apparatus for measuring particles in a fluid
US4986659A (en) * 1988-02-29 1991-01-22 Aerometrics, Inc. Method for measuring the size and velocity of spherical particles using the phase and intensity of scattered light
JPH0390835A (ja) * 1989-09-02 1991-04-16 Murata Mach Ltd 配管部品の漏れチェック装置
US5331177A (en) * 1993-04-26 1994-07-19 Honeywell Inc. Turbidity sensor with analog to digital conversion capability
WO1998048867A1 (fr) * 1997-04-29 1998-11-05 Medtronic, Inc. Detection et quantification optiques de bulles d'air microscopiques dans le sang
US6362887B1 (en) * 1998-06-08 2002-03-26 Fresenius Ag Device for measuring changes in parameters within transparent objects
US6377341B1 (en) * 1999-08-03 2002-04-23 University Technology Corporation Refractive index based detector system for liquid chromatography

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1340485A (en) * 1969-12-02 1973-12-12 Nat Res Dev Apparatus for handling series of signals
JPS5987369A (ja) * 1982-11-10 1984-05-19 Nippon Furnace Kogyo Kaisha Ltd 水流モデルにおける速度測定方法
US4749871A (en) * 1985-05-08 1988-06-07 Adt, Inc. Self-diagnostic projected-beam smoke detector
US4740709A (en) * 1986-04-10 1988-04-26 The United States Of America As Represented By The Department Of Health And Human Services Method of sensing fluid properties independent of bubble concentrations
DE3880700D1 (de) * 1987-02-04 1993-06-09 Hoefliger Harro Verpackung Verfahren und vorrichtung zum feststellen von fremdkoerpern in fluiden.
US4885676A (en) * 1988-03-09 1989-12-05 Storage Technology Corporation Control loop instability detection and correction apparatus
US5508521A (en) * 1994-12-05 1996-04-16 Cardiovascular Diagnostics Inc. Method and apparatus for detecting liquid presence on a reflecting surface using modulated light
US6315955B1 (en) * 1995-04-06 2001-11-13 Delaval International A.B. Method and apparatus for quantitative particle determination in fluids
CA2292561A1 (fr) * 1997-06-06 1998-12-10 Texaco Development Corporation Detection optique d'un gaz piege dans un systeme de refroidissement

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2042113A5 (fr) * 1967-04-10 1971-02-05 American Standard Inc
US4659218A (en) * 1985-05-23 1987-04-21 Canadian Patents & Development Corporation Multi-probe system for measuring bubble characteristics gas hold-up, liquid hold-up and solid hold-up in a three-phase fluidized bed
US4830494A (en) * 1986-07-10 1989-05-16 Kowa Company Ltd. Method and apparatus for measuring particles in a fluid
US4986659A (en) * 1988-02-29 1991-01-22 Aerometrics, Inc. Method for measuring the size and velocity of spherical particles using the phase and intensity of scattered light
JPH0390835A (ja) * 1989-09-02 1991-04-16 Murata Mach Ltd 配管部品の漏れチェック装置
US5331177A (en) * 1993-04-26 1994-07-19 Honeywell Inc. Turbidity sensor with analog to digital conversion capability
WO1998048867A1 (fr) * 1997-04-29 1998-11-05 Medtronic, Inc. Detection et quantification optiques de bulles d'air microscopiques dans le sang
US6362887B1 (en) * 1998-06-08 2002-03-26 Fresenius Ag Device for measuring changes in parameters within transparent objects
US6377341B1 (en) * 1999-08-03 2002-04-23 University Technology Corporation Refractive index based detector system for liquid chromatography

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
PATENT ABSTRACTS OF JAPAN vol. 015, no. 270 (P - 1225) 9 July 1991 (1991-07-09) *

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9366621B2 (en) 2012-04-19 2016-06-14 Zolo Technologies, Inc. In-furnace retro-reflectors with steerable tunable diode laser absorption spectrometer

Also Published As

Publication number Publication date
FR2847670A1 (fr) 2004-05-28
US20080218746A1 (en) 2008-09-11
AU2003294079A1 (en) 2004-06-23
US20060061763A1 (en) 2006-03-23
WO2004051211A2 (fr) 2004-06-17
BR0307926A (pt) 2005-08-23
FR2847670B1 (fr) 2005-06-10
US7372063B2 (en) 2008-05-13
EP1565717A2 (fr) 2005-08-24
JP2006508356A (ja) 2006-03-09

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