EP1039426A3 - Vorrichtung zur Erkennung von Rauch - Google Patents

Vorrichtung zur Erkennung von Rauch Download PDF

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Publication number
EP1039426A3
EP1039426A3 EP00105832A EP00105832A EP1039426A3 EP 1039426 A3 EP1039426 A3 EP 1039426A3 EP 00105832 A EP00105832 A EP 00105832A EP 00105832 A EP00105832 A EP 00105832A EP 1039426 A3 EP1039426 A3 EP 1039426A3
Authority
EP
European Patent Office
Prior art keywords
sensing device
smoke sensing
smoke
reflected
radiation
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.)
Withdrawn
Application number
EP00105832A
Other languages
English (en)
French (fr)
Other versions
EP1039426A2 (de
Inventor
Gottfried Müller
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.)
Schako KG
Original Assignee
Schako Metallwarenfabrik Ferdinand Schad KG
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 DE19912911A external-priority patent/DE19912911C2/de
Priority claimed from DE19951403A external-priority patent/DE19951403B4/de
Application filed by Schako Metallwarenfabrik Ferdinand Schad KG filed Critical Schako Metallwarenfabrik Ferdinand Schad KG
Publication of EP1039426A2 publication Critical patent/EP1039426A2/de
Publication of EP1039426A3 publication Critical patent/EP1039426A3/de
Withdrawn legal-status Critical Current

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
    • 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

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

Abstract

Bei einer Vorrichtung zur Erkennung von Rauch beispielsweise in einem Raum, soll ein Sender (2) zum Aussenden einer von dem Rauch (1) reflektierbaren Strahlung und ein die vom Rauch reflektierte Strahlung erkennender Empfänger (3) vorgesehen sein.
EP00105832A 1999-03-22 2000-03-20 Vorrichtung zur Erkennung von Rauch Withdrawn EP1039426A3 (de)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DE19912911 1999-03-22
DE19912911A DE19912911C2 (de) 1999-03-22 1999-03-22 Vorrichtung zur Erkennung von Rauch
DE19951403A DE19951403B4 (de) 1999-10-26 1999-10-26 Verfahren zur Erkennung von Rauch
DE19951403 1999-10-26

Publications (2)

Publication Number Publication Date
EP1039426A2 EP1039426A2 (de) 2000-09-27
EP1039426A3 true EP1039426A3 (de) 2001-01-31

Family

ID=26052522

Family Applications (1)

Application Number Title Priority Date Filing Date
EP00105832A Withdrawn EP1039426A3 (de) 1999-03-22 2000-03-20 Vorrichtung zur Erkennung von Rauch

Country Status (1)

Country Link
EP (1) EP1039426A3 (de)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10046992C1 (de) * 2000-09-22 2002-06-06 Bosch Gmbh Robert Streulichtrauchmelder
WO2005124710A1 (en) * 2004-06-21 2005-12-29 Burke Anthony John Smoke detecctor
EP2093734B1 (de) 2008-02-19 2011-06-29 Siemens Aktiengesellschaft Rauchmelder mit zeitlicher Auswertung eines Rückstreusignals, Testverfahren für Funktionsfähigkeit eines Rauchmelders
EP2093732A1 (de) 2008-02-19 2009-08-26 Siemens Aktiengesellschaft Vorrichtung und Verfahren zum Detektieren von Rauch durch gemeinsame Auswertung zweier optischer Rückstreusignale
EP2093733B1 (de) 2008-02-19 2011-04-27 Siemens Aktiengesellschaft Rauchdetektion mittels zweier spektral unterschiedlicher Streulichtmessungen
US8952821B2 (en) * 2012-04-29 2015-02-10 Valor Fire Safety, Llc Smoke detector utilizing ambient-light sensor, external sampling volume, and internally reflected light
US9355542B2 (en) * 2014-01-27 2016-05-31 Kidde Technologies, Inc. Apparatuses, systems and methods for self-testing optical fire detectors
DE102015004458B4 (de) * 2014-06-26 2016-05-12 Elmos Semiconductor Aktiengesellschaft Vorrichtung und Verfahren für einen klassifizierenden, rauchkammerlosen Luftzustandssensor zur Prognostizierung eines folgenden Betriebszustands
EP3029647B1 (de) 2014-12-04 2017-05-31 Siemens Schweiz AG Offener Streulichtrauchmelder, insbesondere mit einer Sidelooker-LED
ES2842725T3 (es) * 2016-05-03 2021-07-14 Autronica Fire & Security As Sistema y método de detección automática de cobertura
DE102016208357A1 (de) 2016-05-13 2017-11-16 Siemens Schweiz Ag Brandmelder, insbesondere offener Streulichtrauchmelder, mit einer Photodiode zur Erfassung von Umgebungslicht, um davon abhängig den optischen Signalpfad bei der Streulicht-Brandanalyse zu beschleunigen
CN109155097B (zh) 2016-05-13 2020-10-09 西门子瑞士有限公司 具有用于感测环境光的光电二极管以基于其来加速发出潜在火警报的火检测器
US11062586B2 (en) 2017-06-05 2021-07-13 Carrier Corporation Method of monitoring health of protective cover of detection device
US11493229B2 (en) 2019-03-20 2022-11-08 Carrier Corporation Chamberless wide area duct smoke detector
US20230049915A1 (en) 2020-02-05 2023-02-16 Durag Gbmh Device for the scattered light measurement of particles in a gas

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH571750A5 (en) * 1974-09-10 1976-01-15 Nohmi Bosai Kogyo Co Ltd Photoelectricccc aerosol or smoke detector - second photo cell receives reflected light from prism surface to compensate for contamination
US4011458A (en) * 1975-10-09 1977-03-08 Pyrotector, Incorporated Photoelectric detector with light source intensity regulation
US4870394A (en) * 1988-01-29 1989-09-26 Systron-Donner Corp. Smoke detector with improved testing
EP0556898A1 (de) * 1992-02-17 1993-08-25 Aritech B.V. Eindringalarmsystem

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH571750A5 (en) * 1974-09-10 1976-01-15 Nohmi Bosai Kogyo Co Ltd Photoelectricccc aerosol or smoke detector - second photo cell receives reflected light from prism surface to compensate for contamination
US4011458A (en) * 1975-10-09 1977-03-08 Pyrotector, Incorporated Photoelectric detector with light source intensity regulation
US4870394A (en) * 1988-01-29 1989-09-26 Systron-Donner Corp. Smoke detector with improved testing
EP0556898A1 (de) * 1992-02-17 1993-08-25 Aritech B.V. Eindringalarmsystem

Also Published As

Publication number Publication date
EP1039426A2 (de) 2000-09-27

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