WO2003019160A3 - Structure a chemin optique pour detection d'emissions dans un chemin ouvert - Google Patents

Structure a chemin optique pour detection d'emissions dans un chemin ouvert Download PDF

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Publication number
WO2003019160A3
WO2003019160A3 PCT/US2002/025173 US0225173W WO03019160A3 WO 2003019160 A3 WO2003019160 A3 WO 2003019160A3 US 0225173 W US0225173 W US 0225173W WO 03019160 A3 WO03019160 A3 WO 03019160A3
Authority
WO
WIPO (PCT)
Prior art keywords
detection unit
light
light sources
open path
particulate matter
Prior art date
Application number
PCT/US2002/025173
Other languages
English (en)
Other versions
WO2003019160A2 (fr
Inventor
Craig S Rendahl
John Didomenico
Robert A Gentala
Theresa A Foley
Original Assignee
Spx Corp
Craig S Rendahl
John Didomenico
Robert A Gentala
Theresa A Foley
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 US09/934,272 external-priority patent/US6744516B2/en
Application filed by Spx Corp, Craig S Rendahl, John Didomenico, Robert A Gentala, Theresa A Foley filed Critical Spx Corp
Priority to AU2002331016A priority Critical patent/AU2002331016A1/en
Publication of WO2003019160A2 publication Critical patent/WO2003019160A2/fr
Publication of WO2003019160A3 publication Critical patent/WO2003019160A3/fr

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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
    • 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
    • G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M15/00—Testing of engines
    • G01M15/04—Testing internal-combustion engines
    • G01M15/10—Testing internal-combustion engines by monitoring exhaust gases or combustion flame
    • G01M15/102—Testing internal-combustion engines by monitoring exhaust gases or combustion flame by monitoring exhaust gases
    • G01M15/108—Testing internal-combustion engines by monitoring exhaust gases or combustion flame by monitoring exhaust gases using optical methods
    • 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
    • G01N21/25—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands
    • G01N21/31—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry
    • G01N21/33—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using ultraviolet light
    • 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
    • G01N21/25—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands
    • G01N21/31—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry
    • G01N21/35—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light
    • G01N21/3504—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light for analysing gases, e.g. multi-gas analysis
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N1/00—Sampling; Preparing specimens for investigation
    • G01N1/02—Devices for withdrawing samples
    • G01N1/22—Devices for withdrawing samples in the gaseous state
    • G01N1/2247—Sampling from a flowing stream of gas
    • G01N1/2252—Sampling from a flowing stream of gas in a vehicle exhaust
    • 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
    • G01N15/06—Investigating concentration of particle suspensions
    • G01N15/075—Investigating concentration of particle suspensions by optical means
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N1/00—Sampling; Preparing specimens for investigation
    • G01N1/02—Devices for withdrawing samples
    • G01N1/22—Devices for withdrawing samples in the gaseous state
    • G01N1/2247—Sampling from a flowing stream of gas
    • G01N2001/2264—Sampling from a flowing stream of gas with dilution
    • 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
    • G01N21/25—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands
    • G01N21/31—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry
    • G01N21/314—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry with comparison of measurements at specific and non-specific wavelengths
    • G01N2021/3155—Measuring in two spectral ranges, e.g. UV and visible
    • 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
    • G01N21/25—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands
    • G01N21/31—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry
    • G01N21/314—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry with comparison of measurements at specific and non-specific wavelengths
    • G01N2021/317—Special constructive features
    • G01N2021/3174—Filter wheel
    • 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
    • G01N21/25—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands
    • G01N21/31—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry
    • G01N21/35—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light
    • G01N21/3504—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light for analysing gases, e.g. multi-gas analysis
    • G01N2021/3513—Open path with an instrumental source
    • 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
    • G01N21/25—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands
    • G01N21/31—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry
    • G01N21/35—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light
    • G01N21/3504—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light for analysing gases, e.g. multi-gas analysis
    • G01N21/3518—Devices using gas filter correlation techniques; Devices using gas pressure modulation techniques
    • G01N2021/3527—Devices using gas filter correlation techniques; Devices using gas pressure modulation techniques and using one filter cell as attenuator

Landscapes

  • Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Combustion & Propulsion (AREA)
  • Engineering & Computer Science (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)

Abstract

L'invention concerne un dispositif destiné à mesurer une matière particulaire et comprenant une source lumineuse émettant une lumière, un récepteur disposé de façon à recevoir la lumière émise à partir de cette source lumineuse, ainsi qu'une unité de détection en communication avec ce récepteur. L'unité de détection permet de détecter une quantité de matière particulaire sur la base de la lumière reçue par le récepteur.
PCT/US2002/025173 2001-08-21 2002-08-09 Structure a chemin optique pour detection d'emissions dans un chemin ouvert WO2003019160A2 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU2002331016A AU2002331016A1 (en) 2001-08-21 2002-08-09 Open path emission sensing system

Applications Claiming Priority (10)

Application Number Priority Date Filing Date Title
US09/934,272 US6744516B2 (en) 2001-08-21 2001-08-21 Optical path structure for open path emissions sensing
US09/934,272 2001-08-21
US10/028,723 2001-12-28
US10/028,724 2001-12-28
US10/028,725 2001-12-28
US10/028,724 US6723990B2 (en) 2001-08-21 2001-12-28 Optical path structure for open path emissions sensing with spinning filter wheel
US10/028,723 US6833922B2 (en) 2001-08-21 2001-12-28 Optical path structure for open path emissions sensing with opposed sources
US10/028,725 US6744059B2 (en) 2001-08-21 2001-12-28 Optical path structure for open path emissions sensing with spinning mirror
US10/142,061 US6900893B2 (en) 2001-08-21 2002-05-10 Optical path structure for open path emissions sensing with particulate matter and lubricating oil consumption absorption methodology
US10/142,061 2002-05-10

Publications (2)

Publication Number Publication Date
WO2003019160A2 WO2003019160A2 (fr) 2003-03-06
WO2003019160A3 true WO2003019160A3 (fr) 2003-08-14

Family

ID=27739434

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2002/025173 WO2003019160A2 (fr) 2001-08-21 2002-08-09 Structure a chemin optique pour detection d'emissions dans un chemin ouvert

Country Status (1)

Country Link
WO (1) WO2003019160A2 (fr)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102009025147B3 (de) * 2009-06-17 2010-12-09 Abb Ag Verfahren zum Betrieb eines Spektrometers zur Gasanalyse, sowie Spektrometer selbst
CN103868833A (zh) * 2012-12-13 2014-06-18 张艳丽 含颗粒物空气拍摄量化评定法和装置
DE102016124068A1 (de) * 2016-12-12 2018-06-14 HELLA GmbH & Co. KGaA Messeinrichtung und Verfahren zur Feinstaubmessung für ein Kraftfahrzeug
CN109975224B (zh) * 2019-04-17 2024-04-05 西南交通大学 气体拍摄检测系统
GB2595617B (en) * 2019-06-28 2022-05-25 Protea Ltd In-situ infra-red & ultra-violet photometer
GB2587780B (en) * 2019-06-28 2021-10-20 Protea Ltd In-situ infra-red & ultra-violet photometer
CN113588585A (zh) * 2021-06-25 2021-11-02 张玉芝 一种用于复合气体组分的快速检测方法

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5009064A (en) * 1987-11-23 1991-04-23 Robert Bosch Gmbh Apparatus for measuring the particulate matter in the flue gas or exhaust gas from a combustion process
EP0869349A2 (fr) * 1997-04-03 1998-10-07 AVL List GmbH Appareil pour mesurer la turbidité

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5009064A (en) * 1987-11-23 1991-04-23 Robert Bosch Gmbh Apparatus for measuring the particulate matter in the flue gas or exhaust gas from a combustion process
EP0869349A2 (fr) * 1997-04-03 1998-10-07 AVL List GmbH Appareil pour mesurer la turbidité

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
PAGANINI E ET AL: "Instrument for long-path spectral extinction measurements in air: application to sizing of airborne particles", APPLIED OPTICS, vol. 40, no. 24, 20 August 2001 (2001-08-20), pages 4261 - 4274, XP002226218 *

Also Published As

Publication number Publication date
WO2003019160A2 (fr) 2003-03-06

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