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TW363178B - The detection of airborne pollutants - Google Patents

The detection of airborne pollutants

Info

Publication number
TW363178B
TW363178B TW086105700A TW86105700A TW363178B TW 363178 B TW363178 B TW 363178B TW 086105700 A TW086105700 A TW 086105700A TW 86105700 A TW86105700 A TW 86105700A TW 363178 B TW363178 B TW 363178B
Authority
TW
Taiwan
Prior art keywords
light
detector
chamber
detection
light source
Prior art date
Application number
TW086105700A
Other languages
English (en)
Inventor
Ronald Knox
Christopher Ryan
Original Assignee
Vfs Technologies 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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=3793971&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=TW363178(B) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Vfs Technologies Ltd filed Critical Vfs Technologies Ltd
Application granted granted Critical
Publication of TW363178B publication Critical patent/TW363178B/zh

Links

Classifications

    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • General Physics & Mathematics (AREA)
  • Emergency Management (AREA)
  • Business, Economics & Management (AREA)
  • General Health & Medical Sciences (AREA)
  • Biochemistry (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
  • Fire-Detection Mechanisms (AREA)
TW086105700A 1996-05-03 1997-04-30 The detection of airborne pollutants TW363178B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AUPN9658A AUPN965896A0 (en) 1996-05-03 1996-05-03 The detection of airborne pollutants

Publications (1)

Publication Number Publication Date
TW363178B true TW363178B (en) 1999-07-01

Family

ID=3793971

Family Applications (1)

Application Number Title Priority Date Filing Date
TW086105700A TW363178B (en) 1996-05-03 1997-04-30 The detection of airborne pollutants

Country Status (7)

Country Link
US (1) US6184537B1 (zh)
JP (2) JP2000509503A (zh)
AU (2) AUPN965896A0 (zh)
DE (2) DE19781742T1 (zh)
GB (1) GB2326711B (zh)
TW (1) TW363178B (zh)
WO (1) WO1997042485A1 (zh)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7508313B2 (en) 2000-02-10 2009-03-24 Siemens Aktiengesellschaft Smoke detectors particularly ducted smoke detectors
US10121673B2 (en) 2015-08-19 2018-11-06 Industrial Technology Research Institute Miniaturize particulate matter detector and manufacturing method of a filter
US10458893B2 (en) 2015-08-19 2019-10-29 Industrial Technology Research Institute Miniaturized particulate matter detector and manufacturing method of a filter

Families Citing this family (32)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19955362B4 (de) * 1999-11-17 2004-07-08 Wagner Alarm- Und Sicherungssysteme Gmbh Streulichtdetektor
AUPQ636700A0 (en) * 2000-03-21 2000-04-15 Vision Systems Limited A particle detector
AU2004286360A1 (en) * 2003-10-23 2005-05-12 Terence Cole Martin Improvement(s) related to particle monitors and method(s) therefor
US7034702B2 (en) * 2003-12-23 2006-04-25 Robert Bosch Gmbh Optical smoke detector and method of cleaning
DE102004004098B3 (de) * 2004-01-27 2005-09-01 Wagner Alarm- Und Sicherungssysteme Gmbh Verfahren zur Auswertung eines Streulichtsignals und Streulichtdetektor zur Durchführung des Verfahrens
US7268881B2 (en) * 2004-02-17 2007-09-11 The Curators Of The University Of Missouri Light scattering detector
CN100478670C (zh) * 2005-09-29 2009-04-15 公安部沈阳消防研究所 一种粒子计式烟雾探测装置
GB2436871A (en) * 2006-04-04 2007-10-10 Pcme Ltd Optical beam dump for particle monitoring system
JP4980101B2 (ja) * 2007-03-08 2012-07-18 能美防災株式会社 煙感知器
JP4987515B2 (ja) * 2007-03-08 2012-07-25 能美防災株式会社 煙感知器
AU2011218751B2 (en) * 2007-03-08 2014-01-09 Nohmi Bosai Ltd. Smoke detector
JP4995608B2 (ja) * 2007-03-22 2012-08-08 能美防災株式会社 煙感知器
US7847700B2 (en) * 2007-07-03 2010-12-07 Conforti Fred J System and method for an optical particle detector
US20110083493A1 (en) * 2008-06-11 2011-04-14 The Curators Of The University Of Missouri Liquid Chromatography Detector and Flow Controller Therefor
JP2010238095A (ja) * 2009-03-31 2010-10-21 Nohmi Bosai Ltd 光電式煙感知器
JP5671530B2 (ja) * 2009-07-07 2015-02-18 エックストラリス・テクノロジーズ・リミテッド チャンバコンディション
EP3005330B1 (en) * 2013-06-03 2024-04-10 Garrett Thermal Systems Ltd Particle detection system and related methods
GB2531495B (en) 2014-06-16 2017-04-12 Apollo Fire Detectors Ltd Smoke detector
WO2016047701A1 (ja) * 2014-09-26 2016-03-31 神栄テクノロジー株式会社 濃度測定用セル
EP3073458A1 (de) * 2015-03-23 2016-09-28 Siemens Schweiz AG Brandmelder mit einer streulichtanordnung im bereich einer raucheintrittsöffnung zur verschmutzungsüberwachung
JP2017116287A (ja) 2015-12-21 2017-06-29 パナソニックＩｐマネジメント株式会社 粒子検出センサ
KR101966492B1 (ko) * 2016-03-25 2019-04-05 현대자동차주식회사 차량용 먼지 센서
TWI603066B (zh) * 2016-04-06 2017-10-21 華邦電子股份有限公司 粒子感測裝置、以及具有粒子感測裝置的電子設備
EP3483585B1 (en) 2017-11-13 2022-06-29 Carrier Corporation Air particulate detection system
CN108573591A (zh) * 2018-07-18 2018-09-25 中国科学技术大学 一种散射型火灾烟雾探测器及其光吸收器
KR102598425B1 (ko) * 2018-09-20 2023-11-06 현대자동차주식회사 미세먼지 감지 센서 어셈블리
WO2020109964A1 (en) * 2018-11-30 2020-06-04 3M Innovative Properties Company Sensor for particle detection
CN109633897B (zh) * 2018-12-25 2020-06-12 中国科学院长春光学精密机械与物理研究所 一种光陷阱结构
EP3907715B1 (en) 2020-05-08 2025-11-05 Carrier Corporation Detection of a clogged filter in an aspirating detection system
CN111951517A (zh) * 2020-09-16 2020-11-17 深圳市泛海三江电子股份有限公司 一种新型光电烟感探测器
KR102320704B1 (ko) * 2021-03-31 2021-11-02 주식회사 다산에스엠 광산란방식 미세먼지 측정용 확산 셀
US12431008B2 (en) * 2022-07-18 2025-09-30 Honeywell International Inc. Performing a self-clean of a fire sensing device

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE7617247U1 (zh) * 1900-01-01 Cerberus Ag, Maennedorf, Zuerich (Schweiz)
US3708675A (en) * 1969-09-19 1973-01-02 Furukawa Electric Co Ltd Smoke detector in which air entrance and egress are located in oppositely disposed surfaces which are shaped to cause an air velocity differential
CH591257A5 (en) * 1976-04-13 1977-09-15 Cerberus Ag Radiation scatter smoke detector - has scatter detector receivers coaxial to radiation bundle to scan different directions using photocells or sensors
JPS52140377A (en) * 1976-05-19 1977-11-22 Hitachi Ltd Pressure fluctuation detector
DE2624977A1 (de) * 1976-06-03 1977-12-08 Rumpf Hans Prof Dr Ing Streulichtmesseinrichtung zur ermittlung von partikelgroessenverteilungen und partikelstromdichten disperser phasen in stroemungen
DE2951459C2 (de) * 1979-12-20 1984-03-29 Heimann Gmbh, 6200 Wiesbaden Optische Anordnung für einen Rauchmelder nach dem Lichtstreuungsprinzip
SU949428A1 (ru) * 1981-01-14 1982-08-07 Предприятие П/Я М-5534 Проточный бесконтактный мутномер дл жидких сред
DE8225335U1 (de) * 1982-09-08 1985-12-05 Heimann Gmbh, 6200 Wiesbaden Strahlungsrauchmelder
JPS6085354A (ja) * 1983-08-12 1985-05-14 マ−チン　テレンス　コ−ル 光吸収器
AU573243B2 (en) * 1983-08-12 1988-06-02 Vision Systems Limited Pollution detecting apparatus
JPS61126452A (ja) * 1984-11-26 1986-06-13 Nippon Denso Co Ltd 光学式検出装置
JPS61262640A (ja) * 1985-05-16 1986-11-20 Nippon Denso Co Ltd 光学式検出装置
WO1989009392A1 (en) * 1988-03-30 1989-10-05 Martin Terence Cole Fluid pollution monitor
JP2787001B2 (ja) * 1994-12-12 1998-08-13 ホーチキ株式会社 光電式煙感知器

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7508313B2 (en) 2000-02-10 2009-03-24 Siemens Aktiengesellschaft Smoke detectors particularly ducted smoke detectors
US10121673B2 (en) 2015-08-19 2018-11-06 Industrial Technology Research Institute Miniaturize particulate matter detector and manufacturing method of a filter
US10458893B2 (en) 2015-08-19 2019-10-29 Industrial Technology Research Institute Miniaturized particulate matter detector and manufacturing method of a filter

Also Published As

Publication number Publication date
DE19781742C5 (de) 2016-05-19
AUPN965896A0 (en) 1996-05-30
GB9822923D0 (en) 1998-12-16
GB2326711B (en) 2000-04-12
WO1997042485A1 (en) 1997-11-13
JP2007286067A (ja) 2007-11-01
JP2000509503A (ja) 2000-07-25
AU717038B2 (en) 2000-03-16
DE19781742T1 (de) 1999-04-08
DE19781742B4 (de) 2010-07-01
JP4802310B2 (ja) 2011-10-26
GB2326711A (en) 1998-12-30
AU2375597A (en) 1997-11-26
US6184537B1 (en) 2001-02-06

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