KR900700871A - Fluid contamination monitor - Google Patents

Fluid contamination monitor

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Publication number
KR900700871A
KR900700871A KR1019890702208A KR890702208A KR900700871A KR 900700871 A KR900700871 A KR 900700871A KR 1019890702208 A KR1019890702208 A KR 1019890702208A KR 890702208 A KR890702208 A KR 890702208A KR 900700871 A KR900700871 A KR 900700871A
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KR
South Korea
Prior art keywords
light beam
fluid
chamber
aforementioned
detector
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KR1019890702208A
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Korean (ko)
Inventor
마틴 테렌스 콜레
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마틴 테렌스 콜레
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Publication date
Application filed by 마틴 테렌스 콜레 filed Critical 마틴 테렌스 콜레
Publication of KR900700871A publication Critical patent/KR900700871A/en

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    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B17/00—Fire alarms; Alarms responsive to explosion
    • G08B17/10—Actuation by presence of smoke or gases, e.g. automatic alarm devices for analysing flowing fluid materials by the use of optical means
    • G08B17/103—Actuation by presence of smoke or gases, e.g. automatic alarm devices for analysing flowing fluid materials by the use of optical means using a light emitting and receiving device
    • G08B17/107—Actuation by presence of smoke or gases, e.g. automatic alarm devices for analysing flowing fluid materials by the use of optical means using a light emitting and receiving device for detecting light-scattering due to smoke
    • 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
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B17/00—Fire alarms; Alarms responsive to explosion
    • G08B17/10—Actuation by presence of smoke or gases, e.g. automatic alarm devices for analysing flowing fluid materials by the use of optical means
    • G08B17/11—Actuation by presence of smoke or gases, e.g. automatic alarm devices for analysing flowing fluid materials by the use of optical means using an ionisation chamber for detecting smoke or gas
    • G08B17/113—Constructional details
    • 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
    • G01J1/00—Photometry, e.g. photographic exposure meter
    • G01J1/02—Details
    • G01J1/04—Optical or mechanical part supplementary adjustable parts
    • G01J1/0407—Optical elements not provided otherwise, e.g. manifolds, windows, holograms, gratings
    • G01J1/0411—Optical elements not provided otherwise, e.g. manifolds, windows, holograms, gratings using focussing or collimating elements, i.e. lenses or mirrors; Aberration correction
    • 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
    • G01N21/01—Arrangements or apparatus for facilitating the optical investigation
    • G01N21/03—Cuvette constructions
    • G01N2021/0378—Shapes
    • G01N2021/0382—Frustoconical, tapered cell
    • 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
    • G01N21/01—Arrangements or apparatus for facilitating the optical investigation
    • G01N21/03—Cuvette constructions
    • G01N21/05—Flow-through cuvettes
    • G01N2021/052—Tubular type; cavity type; multireflective
    • 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
    • G01N2021/4704—Angular selective
    • G01N2021/4707—Forward scatter; Low angle scatter
    • 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
    • G01N2021/4704—Angular selective
    • G01N2021/4711—Multiangle measurement
    • 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

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

Abstract

내용없음No content

Description

유체 오염 모니터Fluid contamination monitor

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음Since this is an open matter, no full text was included.

제1도는 광감지 오염 탐지 장치용 샘플링 챔버(sampling chamber)이 단면도,1 is a cross-sectional view of a sampling chamber for a photosensitive contamination detection device,

제2도는 심플링 챔버의 또 다른 실시예.2 is another embodiment of a simulating chamber.

Claims (12)

유체 샘플링 챔버, 조준된 광선을 전술한 샘플링 챔버내로 투사시키기 위한 수단, 모니터되어질 영역으로부터 광선에 노출된 챔버내로 샘플유체를 안내하는 수단, 전술한 공선의 직접적인 수령을 피하기 위해 위치가 정해진 광탑지기 셀, 그리고 챔버내에 공중입자 및 분자가 있으므로 해서 발생된 어떤 산란된 빛이 전술한 탐지기를 향하도록 하기 위한 샘플링 수단내의 수단을 포함함을 특징으로 하는 공중의 입자 및 분자를 탐지하기 위한 종류의 유체오염 감지장치.A fluid sampling chamber, means for projecting the aimed light beam into the aforementioned sampling chamber, means for guiding the sample fluid into the chamber exposed to the light beam from the area to be monitored, and an optical tower cell positioned to avoid direct receipt of the aforementioned collinear And means in the sampling means for directing any scattered light generated by the presence of airborne particles and molecules in the chamber to the detector described above. Sensing device. 유체 샘플링 챔버, 조준된 광선을 전술한 샘플링 챔버내로 투사 또는 제공하기 위한 수단, 모니터 되어질 영역으로부터 광선에 노출된 챔버내로 샘플 유체를 안내하는 수단, 전술한 광선으로부터 가리워진 위치에 놓여진 광 탐지기 셀, 산란된 광선의 대부분을 전술한 탐지기 셀을 향하도록 하는 전술한 챔버내 집속수단을 포함함을 특징으로 하는 공중의 입자 및 분자를 탐지하기 위한 종류의 유체오염 감지장치.A fluid sampling chamber, means for projecting or providing a collimated light beam into the aforementioned sampling chamber, means for guiding sample fluid from the area to be monitored into the chamber exposed to the light beam, a light detector cell placed in a position hidden from the light beam, A fluid contamination detection device of the kind for detecting particles and molecules in the air, characterized in that it comprises an in-chamber focusing means for directing most of the scattered light rays to the detector cell described above. 유체 샘플링 챔버, 조준된 공선을 전술한 샘플링 챔버내로 제공 또는 투사시키기 위한 수단을 포함하는 공중입자 및 분자를 탐지하기 위한 종류의 유체 오염 감시장치에 있어서, 전술한 광선이 단일 프리즘을 통하여 한쌍의 직선비임으로 전술한 샘플링 쳄버내로 투사되도록 적용된 각기 다른 파장에서 동작되는 적어도 두 개의 레이저에 의해 발생됨을 특징으로 하는 유체오염 감시장치.A fluid contamination monitoring device of the kind for detecting airborne particles and molecules comprising a fluid sampling chamber, means for providing or projecting an aimed collinear into the aforementioned sampling chamber, wherein the above-mentioned light beam is a pair of straight lines through a single prism. A fluid contamination monitoring device, characterized in that it is generated by at least two lasers operated at different wavelengths adapted to be projected into a beam as described above. 제1항 또는 2항에 있어서, 전술한 조준된 광선이 레이저에 의해 발생된 간섭성 광선임을 특징으로 하는 유체오염 감시장치.The fluid contamination monitoring apparatus according to claim 1 or 2, wherein the above-mentioned aimed ray is a coherent ray generated by a laser. 유체 샘플링 챔버, 조준된 광선을 전술한 샘플링 챔버내로 투사시키기 위한 수단, 모니터 되어질 영역으로부터 광선에 노출된 챔버내로 샘플유체를 안내하는 수단, 전술한 광선의 직접적인 수령을 피하기 위해 위치가 정해진 공탐지기 수단, 이때의 탐지기 수단이 광선으로부터 가리워진 위치에 놓여지게 되는 수단, 전술한 반사수단을 향한 산란광선을 전술한 탐지기 수단으로 보내는 샘플링 챔버내의 수단을 포함함을 특징으로 하는 공중의 입자 및 분자를 탐지하기 위한 종류의 유체 오염 감시장치.A fluid sampling chamber, means for projecting the aimed light beam into the aforementioned sampling chamber, means for guiding the sample fluid into the chamber exposed to the light beam from the area to be monitored, and co-detector means positioned to avoid direct receipt of the light beam described above. Detecting means and particles in the air, wherein the detector means comprises a means for being placed in a position obscured from the light beam, and means in the sampling chamber for sending scattered light towards the reflecting means described above to the detector means described above. Fluid contamination monitoring device of the kind. 유체 샘플링 챔버, 조준된 광선을 전술한 샘플링 챔버내로 투사 또는 제공하기 위한 수단, 모니터 되어질 영역으로부터 광선에 노출된 챔버내로 샘플유체를 안내하는 수단, 전술한 광선으로부터 가리워진 위치에 놓여진 광탐지기 셀, 전술한 반사수단을 향하도록된 산란광선을 전술한 탐지기 셀로 집속시키기 위한 전술한 챔버내 반사수단을 포함하는 공중의 입자 및 분자를 탐지하기 위한 종류의 유체오염 감시장치에 있어서, 전술한 광선이 단일 프리즘을 통하여 한쌍으 공통 직선 비임으로 전술한 샘플링 챔버내로 투사되도록 적용된 각기 다른 파장에서 동작되는 적어도 두 개의 레이저에 의해 발생됨을 특징으로 하는 유체 오염 감시장치.A fluid sampling chamber, means for projecting or providing a collimated light beam into the aforementioned sampling chamber, means for guiding a sample fluid from the area to be monitored into the chamber exposed to the light beam, a photodetector cell placed in a position hidden from the light beam, In a fluid contamination monitoring apparatus of the kind for detecting particles and molecules in the air comprising the aforementioned in-chamber reflecting means for focusing the scattered light directed toward the aforementioned reflecting means into the aforementioned detector cell, the above-mentioned light beam being a single unit. And at least two lasers operated at different wavelengths adapted to be projected into the aforementioned sampling chamber as a pair of common straight beams through a prism. 제1항 3항 또는 5항에 있어서, 전술한 광탐지기 수단의 출력이 입자의 농도 즉, 전술한 챔버내 유체오염의 측정을 제공하기 위해 수신된 산란광선의 수준에 비례하여 변화함을 특징으로 하는 유체 오염 감시장치.6. A method according to claim 1 or 3, characterized in that the output of the above-described light detector means varies in proportion to the concentration of particles, i.e. the level of scattered light received to provide a measurement of the above-mentioned fluid contamination in the chamber. Fluid contamination monitoring device. 제1항, 2항 또는 5항에 있어서, 전술한 광선이 그 광선을 컬리미네이터(조준장치)내로 향하게 하는 발광 다이오드에 의해 발생됨을 특징으로 하는 유체오염 감시장치.6. A fluid pollution monitoring apparatus according to claim 1, 2 or 5, wherein the above-mentioned light beam is generated by a light emitting diode that directs the light beam into a collimator. 제1항, 3항 또는 4항에 있어서, 샘플링 챔버가 각 단부에서 납작한 벽을 갖는 튜브를 포함하며, 광선이 전술한 벽들사이의 튜브를 따라 투사되고, 전술한 튜브가 타원형 단면을 가지며, 산란된 광선을 전술한 광탐지기 수단으로 접속시키기 위한 방사성 측면벽을 가짐을 특징으로 하는 유체오염 감시장치.The method according to claim 1, 3 or 4, wherein the sampling chamber comprises a tube with flat walls at each end, the light beam is projected along the tube between the aforementioned walls, and the aforementioned tube has an elliptical cross section and is scattered. And a radioactive side wall for connecting the light beam to the above-described light detector means. 제7항에 있어서, 전술한 탐지기 수단이 광섬유 또는 레이징 로드(lasing rod)수단, 한 단부에 또는 그 가까이에 위치하여 전술한 광섬유 수단의 길이를 따라 방향이 정하여진 산란광선을 수신하기 위한 탐지기 셀을 포함함을 특징으로 하는 유체 오염 감시장치.8. A detector according to claim 7, wherein the detector means described above is a fiber or lasing rod means, a detector for receiving scattered light directed at or near one end and directed along the length of the fiber optic means described above. A fluid contamination monitoring device comprising a cell. 제8항에 있어서, 전술한 샘플링 챔버가 그 길이를 점점 가늘어지므로써 전술한 탐지기 수단에 의해 수신하기 위한 한 라인 또는 포인트에서 산란된 광선을 접속시키는 것을 돕도록 함을 특징으로 하는 유체 오염 감시장치.9. A fluid contamination monitoring device according to claim 8, wherein the sampling chamber described above is tapered to assist in connecting the scattered light at one line or point for reception by said detector means. . 제1항, 2항 또는 3항에 있어서, 산란되지 않는 광선이 원통형의 방사성 내부벽을 갖는 광수신기에 흡수됨을 특징으로 하는 유체오염감시장치.4. A fluid contamination monitoring device according to claim 1, 2 or 3, wherein the non-scattered light rays are absorbed by the optical receiver having a cylindrical radially inner wall. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019890702208A 1988-03-30 1989-03-30 Fluid contamination monitor KR900700871A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
AUPI7512 1988-03-30
AUPI751288 1988-03-30
PCT/AU1989/000138 WO1989009392A1 (en) 1988-03-30 1989-03-30 Fluid pollution monitor

Publications (1)

Publication Number Publication Date
KR900700871A true KR900700871A (en) 1990-08-17

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WO (1) WO1989009392A1 (en)

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Publication number Priority date Publication date Assignee Title
US5392114A (en) * 1988-03-30 1995-02-21 Cole; Martin T. Fluid pollution monitor
US5256886A (en) * 1991-04-30 1993-10-26 E. I. Du Pont De Nemours And Company Apparatus for optically detecting contamination in particles of low optical-loss material
CH684556A5 (en) * 1992-09-14 1994-10-14 Cerberus Ag Optical Smoke Detector.
GB2272760A (en) * 1992-11-20 1994-05-25 Thorn Security Optical detection of combustion products
GB9315779D0 (en) * 1993-07-30 1993-09-15 Stoneplan Limited Apparatus and methods
JPH08233736A (en) * 1995-02-27 1996-09-13 Nohmi Bosai Ltd Microparticle detection sensor
AUPN965896A0 (en) * 1996-05-03 1996-05-30 Vision Products Pty Ltd The detection of airborne pollutants
CA2228335A1 (en) * 1997-02-04 1998-08-04 Edward Dauskurdas Photodetector with coated reflector
DE19741853A1 (en) * 1997-09-23 1999-03-25 Bosch Gmbh Robert Hollow ellipse smoke alarm
GB9721861D0 (en) * 1997-10-15 1997-12-17 Kidde Fire Protection Ltd High sensitivity particle detection

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Publication number Priority date Publication date Assignee Title
US3515482A (en) * 1967-06-27 1970-06-02 Us Navy Aerosol photometer with improved electronic circuitry
DE2108707A1 (en) * 1971-02-24 1972-09-07 Portscht R Smoke detector based on the scattered light principle at two wavelengths
GB1394583A (en) * 1972-06-30 1975-05-21 Svenska Utvecklings Ab Method of detecting aerosols in air or gases and apparatus for this purpose
US4341471A (en) * 1979-01-02 1982-07-27 Coulter Electronics, Inc. Apparatus and method for measuring the distribution of radiant energy produced in particle investigating systems
SE428972B (en) * 1979-03-07 1983-08-01 Svenska Utvecklings Ab DEVICE FOR DETECTING THE EVENT OF FLUATING, SOLID OR LIQUID PARTICLES IN A GAS
EP0026046B1 (en) * 1979-09-05 1988-01-13 Imperial Chemical Industries Plc Method of and apparatus for monitoring gaseous pollutants
GB8502506D0 (en) * 1985-01-31 1985-03-06 Emi Ltd Smoke detector
FR2577317B1 (en) * 1985-02-08 1987-03-06 Inst Rech Hydrologique APPARATUS FOR MEASURING THE TURBIDITY OF A CONTINUOUS FLOW LIQUID.

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Publication number Publication date
WO1989009392A1 (en) 1989-10-05
EP0407429A1 (en) 1991-01-16
EP0407429A4 (en) 1991-08-21

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