ES2175790T3 - Deteccion de particulas con alta sensibilidad. - Google Patents

Deteccion de particulas con alta sensibilidad.

Info

Publication number
ES2175790T3
ES2175790T3 ES98947664T ES98947664T ES2175790T3 ES 2175790 T3 ES2175790 T3 ES 2175790T3 ES 98947664 T ES98947664 T ES 98947664T ES 98947664 T ES98947664 T ES 98947664T ES 2175790 T3 ES2175790 T3 ES 2175790T3
Authority
ES
Spain
Prior art keywords
particles
scattered
detection
smoke
infra
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
ES98947664T
Other languages
English (en)
Inventor
Brian Powell
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.)
Kidde Fire Protection Ltd
Original Assignee
Kidde Fire Protection Ltd
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 Kidde Fire Protection Ltd filed Critical Kidde Fire Protection Ltd
Application granted granted Critical
Publication of ES2175790T3 publication Critical patent/ES2175790T3/es
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING SYSTEMS, e.g. PERSONAL 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
    • G08—SIGNALLING
    • G08B—SIGNALLING SYSTEMS, e.g. PERSONAL 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
  • Fire-Detection Mechanisms (AREA)
  • Investigating Or Analysing Materials By The Use Of Chemical Reactions (AREA)
  • Analysing Materials By The Use Of Radiation (AREA)

Abstract

Un detector de partículas para detectar partículas de tamaños de menos de un micrómetro, que comprende medios de emitir radiación (3, 3A) para emitir simultáneamente radiación de dos longitudes de onda diferentes a lo largo de un camino predeterminado a través de un volumen de dispersión (9), estando la radiación de una de las longitudes de onda comprendida entre aproximadamente 400 nm y aproximadamente 500 nm, y medios (15) de detección de la radiación para recibir y detectar la radiación dispersada desde el volumen de dispersión mediante la presencia de partículas con un ángulo de dispersión hacia adelante predeterminado de menos de 45 con respecto al camino predeterminado de la radiación, en el cual la radiación de la otra longitud de onda es radiación de infrarrojos, y caracterizado por medios de salida (23) para comparar las salidas desde los medios de detección (15) correspondientes, respectivamente, a la radiación recibida y detectada entre aproximadamente 400 nm y 500 nm, y la radiación de infrarrojos recibida y detectada para producir con ello una señal de aviso cuando la comparación indique que las partículas son de un tipo predeterminado, pero no cuando la comparación indique otra cosa.
ES98947664T 1997-10-15 1998-10-13 Deteccion de particulas con alta sensibilidad. Expired - Lifetime ES2175790T3 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GBGB9721861.4A GB9721861D0 (en) 1997-10-15 1997-10-15 High sensitivity particle detection

Publications (1)

Publication Number Publication Date
ES2175790T3 true ES2175790T3 (es) 2002-11-16

Family

ID=10820603

Family Applications (1)

Application Number Title Priority Date Filing Date
ES98947664T Expired - Lifetime ES2175790T3 (es) 1997-10-15 1998-10-13 Deteccion de particulas con alta sensibilidad.

Country Status (10)

Country Link
US (1) US6377345B1 (es)
EP (1) EP1023709B1 (es)
JP (1) JP2001520390A (es)
AT (1) ATE220233T1 (es)
AU (1) AU756141B2 (es)
DE (1) DE69806404T2 (es)
DK (1) DK1023709T3 (es)
ES (1) ES2175790T3 (es)
GB (2) GB9721861D0 (es)
WO (1) WO1999019852A1 (es)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2243027T3 (es) * 1999-11-19 2005-11-16 Siemens Building Technologies Ag Detector de incendios.
GB2379977B (en) * 2001-09-25 2005-04-06 Kidde Plc High sensitivity particle detection
GB2389176C (en) 2002-05-27 2011-07-27 Kidde Ip Holdings Ltd Smoke detector
US7075445B2 (en) 2002-08-23 2006-07-11 Ge Security, Inc. Rapidly responding, false detection immune alarm signal producing smoke detector
US7564365B2 (en) * 2002-08-23 2009-07-21 Ge Security, Inc. Smoke detector and method of detecting smoke
US7794663B2 (en) * 2004-02-19 2010-09-14 Axcelis Technologies, Inc. Method and system for detection of solid materials in a plasma using an electromagnetic circuit
US7148485B2 (en) * 2004-05-28 2006-12-12 Hewlett-Packard Development Company, L.P. Low-energy charged particle detector
US8269639B2 (en) * 2006-09-07 2012-09-18 Siemens Schweiz Ag Particle monitors and method(s) therefor
DE102007045018B4 (de) 2007-09-20 2011-02-17 Perkinelmer Optoelectronics Gmbh & Co.Kg Strahlungsleitvorrichtung für einen Detektor, Streustrahlungsdetektor
US8085157B2 (en) * 2007-10-24 2011-12-27 Honeywell International Inc. Smoke detectors
DE102011119431C5 (de) 2011-11-25 2018-07-19 Apparatebau Gauting Gmbh Streustrahlungsbrandmelder und Verfahren zur automatischen Erkennung einer Brandsituation
EP2908298B1 (de) * 2014-02-13 2018-04-18 Siemens Schweiz AG Rauchmelder nach dem Streulichtprinzip mit einer zweifarbigen Leuchtdiode mit unterschiedlich grossen LED-Chips
GB2531495B (en) * 2014-06-16 2017-04-12 Apollo Fire Detectors Ltd Smoke detector
EP3761008B1 (en) * 2015-12-14 2023-06-14 Mitsubishi Electric Corporation Micro object detection apparatus
WO2018027104A1 (en) 2016-08-04 2018-02-08 Carrier Corporation Smoke detector
US10466176B2 (en) * 2017-05-01 2019-11-05 Bae Systems Information And Electronic Systems Integration Inc. System and method for detecting contaminants on a circuit
US11067784B2 (en) * 2017-05-01 2021-07-20 Bae Systems Information And Electronic Systems Integration Inc. System and techniques for detecting fluorescing particles on a target

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH546989A (de) * 1972-12-06 1974-03-15 Cerberus Ag Verfahren und vorrichtung zur brandmeldung.
GB1434787A (en) 1973-04-04 1976-05-05 Shaw Mfg Ltd Hinges
FR2357888A1 (fr) * 1976-04-01 1978-02-03 Cerberus Ag Detecteur de fumee
CH592933A5 (es) * 1976-04-05 1977-11-15 Cerberus Ag
US4226533A (en) * 1978-09-11 1980-10-07 General Electric Company Optical particle detector
US4221485A (en) * 1979-06-04 1980-09-09 Honeywell Inc. Optical smoke detector
DE3175819D1 (en) * 1980-12-18 1987-02-12 Cerberus Ag Smoke detector according to the radiation extinction principle
EP0407429A4 (en) * 1988-03-30 1991-08-21 Martin Terence Cole Fluid pollution monitor
US5416580A (en) * 1993-07-07 1995-05-16 General Signal Corporation Methods and apparatus for determining small particle size distribution utilizing multiple light beams
GB2319604A (en) * 1996-11-25 1998-05-27 Kidde Fire Protection Ltd Smoke and particle detector
JPH1123458A (ja) 1997-05-08 1999-01-29 Nittan Co Ltd 煙感知器および監視制御システム

Also Published As

Publication number Publication date
DE69806404D1 (de) 2002-08-08
JP2001520390A (ja) 2001-10-30
DE69806404T2 (de) 2002-11-07
GB9822057D0 (en) 1998-12-02
GB2330410B (en) 2002-03-06
AU9450498A (en) 1999-05-03
US6377345B1 (en) 2002-04-23
WO1999019852A1 (en) 1999-04-22
AU756141B2 (en) 2003-01-02
EP1023709B1 (en) 2002-07-03
DK1023709T3 (da) 2002-07-22
GB9721861D0 (en) 1997-12-17
GB2330410A (en) 1999-04-21
EP1023709A1 (en) 2000-08-02
ATE220233T1 (de) 2002-07-15

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