DE69714955D1 - Verfahren und Vorrichtung zur Überwachung von Partikeln mit einer strahlgesteuerten Festkörper-Lichtquelle - Google Patents

Verfahren und Vorrichtung zur Überwachung von Partikeln mit einer strahlgesteuerten Festkörper-Lichtquelle

Info

Publication number
DE69714955D1
DE69714955D1 DE69714955T DE69714955T DE69714955D1 DE 69714955 D1 DE69714955 D1 DE 69714955D1 DE 69714955 T DE69714955 T DE 69714955T DE 69714955 T DE69714955 T DE 69714955T DE 69714955 D1 DE69714955 D1 DE 69714955D1
Authority
DE
Germany
Prior art keywords
light
particulates
light source
correlation
intensity
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.)
Expired - Lifetime
Application number
DE69714955T
Other languages
English (en)
Inventor
John E Traina
Richard Myers
Edward A Smierciak
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.)
Teledyne Monitor Labs Inc
Original Assignee
Monitor Labs 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
Priority claimed from US08/761,127 external-priority patent/US5751423A/en
Application filed by Monitor Labs Inc filed Critical Monitor Labs Inc
Application granted granted Critical
Publication of DE69714955D1 publication Critical patent/DE69714955D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials
    • G01N15/02—Investigating particle size or size distribution
    • G01N15/0205—Investigating particle size or size distribution by optical means
    • 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
    • G01N21/53—Scattering, i.e. diffuse reflection within a body or fluid within a flowing fluid, e.g. smoke
    • G01N21/534—Scattering, i.e. diffuse reflection within a body or fluid within a flowing fluid, e.g. smoke by measuring transmission alone, i.e. determining opacity
    • 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
    • G01N21/4785—Standardising light scatter apparatus; Standards therefor

Landscapes

  • Chemical & Material Sciences (AREA)
  • Biochemistry (AREA)
  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Analytical Chemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Dispersion Chemistry (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
  • Investigating, Analyzing Materials By Fluorescence Or Luminescence (AREA)
DE69714955T 1996-12-06 1997-12-08 Verfahren und Vorrichtung zur Überwachung von Partikeln mit einer strahlgesteuerten Festkörper-Lichtquelle Expired - Lifetime DE69714955D1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/761,127 US5751423A (en) 1996-12-06 1996-12-06 Opacity and forward scattering monitor using beam-steered solid-state light source
US08/856,072 US5831730A (en) 1996-12-06 1997-05-14 Method for monitoring particulates using beam-steered solid-state light source

Publications (1)

Publication Number Publication Date
DE69714955D1 true DE69714955D1 (de) 2002-10-02

Family

ID=27116930

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69714955T Expired - Lifetime DE69714955D1 (de) 1996-12-06 1997-12-08 Verfahren und Vorrichtung zur Überwachung von Partikeln mit einer strahlgesteuerten Festkörper-Lichtquelle

Country Status (4)

Country Link
US (2) US5831730A (de)
EP (1) EP0848243B1 (de)
AT (1) ATE223038T1 (de)
DE (1) DE69714955D1 (de)

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AT409039B (de) * 1999-11-26 2002-05-27 Avl List Gmbh Verfahren zur messung der opacität in gasen
US6573991B1 (en) 2000-04-26 2003-06-03 Martin Paul Debreczeny Self-compensating radiation sensor with wide dynamic range
GB0120588D0 (en) 2001-08-24 2001-10-17 Land Instr Int Ltd Light source for open-path gas monitoring
US7068362B2 (en) * 2002-01-25 2006-06-27 The Johns Hopkins University Expendable beam transmissometer
GB2390893A (en) * 2002-07-15 2004-01-21 Pcme Ltd Method and apparatus for monitoring particles in a stack
US7092078B2 (en) * 2003-03-31 2006-08-15 Nihon Kohden Corporation Flow cytometer for classifying leukocytes and method for determining detection angle range of the same
ES2744348T3 (es) * 2003-04-11 2020-02-24 Evonik Corp Combustible y proceso para una combustión con emisiones reducidas
US7142298B2 (en) * 2003-09-29 2006-11-28 Shaw Intellectual Property Holdings, Inc. Particulate monitor
US7224455B2 (en) * 2004-05-28 2007-05-29 Teledyne Technologies Incorporated Measuring particulate matter in a fluid
JP4292413B2 (ja) * 2004-10-12 2009-07-08 株式会社デンソー 雨滴検出装置並びにそれを備えたワイパ自動制御装置
GB2422897A (en) 2005-02-02 2006-08-09 Pcme Ltd A monitor for monitoring particles flowing in a stack
US7440102B1 (en) 2005-08-26 2008-10-21 The United States Of America As Represented By The Secretary Of The Army Systems and methods for analyzing polarized light scattered from a sample
US8291778B2 (en) * 2006-09-08 2012-10-23 Ronald Rockwell Rich Extractive sampling system for fluids
US7715009B1 (en) 2007-04-16 2010-05-11 Teledyne Technologies Incorporated Optical instrument
US7683299B2 (en) * 2007-07-09 2010-03-23 Bio-Rad Laboratories, Inc. Extended dynamic range system design using a photomultiplier tube and solid state detector
US8759767B2 (en) * 2008-08-21 2014-06-24 Lawrence Livermore National Security, Llc Combined raman and IR fiber-based sensor for gas detection
US8229204B2 (en) 2009-06-29 2012-07-24 Ecolab Inc. Optical processing of surfaces to determine cleanliness
US8509473B2 (en) * 2009-06-29 2013-08-13 Ecolab Inc. Optical processing to control a washing apparatus
DE102010002423A1 (de) 2010-02-26 2011-09-01 Robert Bosch Gmbh Vorrichtung und Verfahren zum Kalibrieren eines Streulichtmessgerätes
JP2012047464A (ja) * 2010-08-24 2012-03-08 Sony Corp 微小粒子測定装置及び光軸補正方法
GB2494733A (en) * 2011-09-14 2013-03-20 Malvern Instr Ltd Measuring particle size distribution by light scattering
US9068933B2 (en) 2012-06-08 2015-06-30 Ut-Battelle, Llc EGR distribution and fluctuation probe based on CO2 measurements
US9000374B2 (en) 2012-06-08 2015-04-07 Ut-Battelle, Llc EGR distribution and fluctuation probe based on CO2 measurements
US20140078493A1 (en) * 2012-09-19 2014-03-20 Elwha Llc System and method for removing surface particles from an object
US9134205B2 (en) 2012-09-19 2015-09-15 Elwha Llc System and method for removing surface particles from an object
WO2015108511A1 (en) * 2014-01-15 2015-07-23 Empire Technology Development Llc Method and apparatus for detecting particulate matter
AT517420B1 (de) * 2015-06-22 2017-08-15 Avl Ditest Gmbh Messvorrichtung und Messverfahren zur Driftüberwachung von optischen Systemen
US10094538B2 (en) 2016-03-31 2018-10-09 Teledyne Instruments, Inc. Light projection assembly for opacity monitors
CN106840985A (zh) * 2016-12-28 2017-06-13 武汉三众和光电科技有限公司 一种气体粉尘同时测量方法及装置
US10429297B2 (en) * 2017-01-26 2019-10-01 Acumentor Llc Monitoring opacity of smoke exhausted by wood stove and controlling wood stove based on same
CN107121364B (zh) * 2017-06-20 2023-06-23 兰州大学 一种颗粒系统对激光信号影响的多功能测量装置
EP3715830B1 (de) * 2019-03-26 2024-01-03 Eaton Intelligent Power Limited System zur erkennung von partikeln in flüssigkeiten

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Also Published As

Publication number Publication date
EP0848243B1 (de) 2002-08-28
ATE223038T1 (de) 2002-09-15
EP0848243A3 (de) 1999-05-19
US5999257A (en) 1999-12-07
EP0848243A2 (de) 1998-06-17
US5831730A (en) 1998-11-03

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Legal Events

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