DE2630843A1 - Rauchmelder nach dem lichtstreuungsprinzip - Google Patents

Rauchmelder nach dem lichtstreuungsprinzip

Info

Publication number
DE2630843A1
DE2630843A1 DE19762630843 DE2630843A DE2630843A1 DE 2630843 A1 DE2630843 A1 DE 2630843A1 DE 19762630843 DE19762630843 DE 19762630843 DE 2630843 A DE2630843 A DE 2630843A DE 2630843 A1 DE2630843 A1 DE 2630843A1
Authority
DE
Germany
Prior art keywords
light
smoke
smoke detector
detector according
scattering
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.)
Ceased
Application number
DE19762630843
Other languages
German (de)
English (en)
Inventor
Tsunehiko Araki
Yoshihiko Okuda
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.)
Panasonic Holdings Corp
Original Assignee
Matsushita Electric Works 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 Matsushita Electric Works Ltd filed Critical Matsushita Electric Works Ltd
Publication of DE2630843A1 publication Critical patent/DE2630843A1/de
Ceased legal-status Critical Current

Links

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
    • 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)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Fire-Detection Mechanisms (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
DE19762630843 1975-07-15 1976-07-09 Rauchmelder nach dem lichtstreuungsprinzip Ceased DE2630843A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP50086793A JPS5855446B2 (ja) 1975-07-15 1975-07-15 散乱光式煙感知器

Publications (1)

Publication Number Publication Date
DE2630843A1 true DE2630843A1 (de) 1977-01-20

Family

ID=13896645

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19762630843 Ceased DE2630843A1 (de) 1975-07-15 1976-07-09 Rauchmelder nach dem lichtstreuungsprinzip

Country Status (8)

Country Link
US (1) US4103997A (US06650917-20031118-M00005.png)
JP (1) JPS5855446B2 (US06650917-20031118-M00005.png)
CA (1) CA1064139A (US06650917-20031118-M00005.png)
DE (1) DE2630843A1 (US06650917-20031118-M00005.png)
FR (1) FR2318417A1 (US06650917-20031118-M00005.png)
GB (1) GB1560421A (US06650917-20031118-M00005.png)
IT (1) IT1078734B (US06650917-20031118-M00005.png)
SE (1) SE416852B (US06650917-20031118-M00005.png)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0022438A1 (de) * 1979-07-13 1981-01-21 Securiton AG Verfahren zur Feststellung von Aerosolen in Luft, welche sich in einer Prüfzone befindet sowie Gerät zur Ausführung desselben
EP0031096A1 (de) * 1979-12-20 1981-07-01 Heimann GmbH Optische Anordnung für einen Rauchmelder nach dem Lichtstreuungsprinzip
EP0105199A1 (de) * 1982-09-08 1984-04-11 Heimann GmbH Strahlungsrauchmelder

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4160914A (en) * 1977-12-16 1979-07-10 Monitek, Inc. Apparatus for measuring of particulate scattering in fluids
DE3018021A1 (de) * 1979-05-16 1980-11-27 Honeywell Inc Optischer rauchdetektor
DE3334545A1 (de) * 1983-09-23 1985-04-04 Siemens AG, 1000 Berlin und 8000 München Optischer rauchmelder
NL9001415A (nl) * 1990-06-21 1992-01-16 Ajax De Boer B V Optische rook-, aerosol- en stofdetector en brandmeldingsapparaat met optische detector.
GB9014015D0 (en) * 1990-06-23 1990-08-15 Dennis Peter N J Improvements in or relating to smoke detectors
GB2259763B (en) * 1991-09-20 1995-05-31 Hochiki Co Fire alarm system
US5440145A (en) * 1991-10-14 1995-08-08 I.E.I. Pty. Ltd. Sampling chamber for a pollution detector
JP2648560B2 (ja) * 1993-04-09 1997-09-03 ホーチキ株式会社 散乱光式煙感知器
US6107925A (en) * 1993-06-14 2000-08-22 Edwards Systems Technology, Inc. Method for dynamically adjusting criteria for detecting fire through smoke concentration
GB9417484D0 (en) * 1993-09-07 1994-10-19 Hochiki Co Light scattering type smoke sensor
US5945924A (en) * 1996-01-29 1999-08-31 Marman; Douglas H. Fire and smoke detection and control system
GB2367358B (en) * 1997-06-30 2002-05-15 Hochiki Co Smoke detecting apparatus
DE102005010454A1 (de) 2005-03-08 2006-09-21 Robert Bosch Gmbh Gassensor
DE102008009213B4 (de) 2008-02-15 2010-09-02 Perkinelmer Optoelectronics Gmbh & Co.Kg Strahlungsleiter, Detektor, Herstellungsverfahren
US11302166B2 (en) * 2019-12-02 2022-04-12 Carrier Corporation Photo-electric smoke detector using single emitter and single receiver
US11069224B1 (en) * 2020-07-10 2021-07-20 Everday Techology Co., Ltd. Smoke detector and chamber

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3474435A (en) * 1966-10-11 1969-10-21 Vericon Inc Vapor or particle detection devices
US3653767A (en) * 1967-04-10 1972-04-04 American Standard Inc Particle size distribution measurement using polarized light of a plurality of wavelengths
US3524707A (en) * 1967-08-14 1970-08-18 Julian E Hansen Sr Pulsating light source smoke detector
US3505529A (en) * 1968-02-08 1970-04-07 Bliss Co Radiation sensitive smoke detecting device
US3621220A (en) * 1969-08-29 1971-11-16 Norman C Ford Jr Scattered light measurement providing autocorrelation function
US3701620A (en) * 1971-10-21 1972-10-31 Science Spectrum Sample scattering cell for a photometer
DE2338481C2 (de) * 1973-07-28 1985-07-04 Kernforschungszentrum Karlsruhe Gmbh, 7500 Karlsruhe Vorrichtung zur schnellen Messung der zeitlichen Änderung der Strahlungsintensität

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0022438A1 (de) * 1979-07-13 1981-01-21 Securiton AG Verfahren zur Feststellung von Aerosolen in Luft, welche sich in einer Prüfzone befindet sowie Gerät zur Ausführung desselben
EP0031096A1 (de) * 1979-12-20 1981-07-01 Heimann GmbH Optische Anordnung für einen Rauchmelder nach dem Lichtstreuungsprinzip
DE2951459A1 (de) * 1979-12-20 1981-07-02 Heimann Gmbh, 6200 Wiesbaden Optische anordnung fuer einen rauchmelder nach dem lichtstreuungsprinzip
US4397557A (en) * 1979-12-20 1983-08-09 Heimann Gmbh Optical arrangement for a light scattering type smoke detector
EP0105199A1 (de) * 1982-09-08 1984-04-11 Heimann GmbH Strahlungsrauchmelder

Also Published As

Publication number Publication date
SE7607902L (sv) 1977-01-16
US4103997A (en) 1978-08-01
JPS5855446B2 (ja) 1983-12-09
FR2318417B1 (US06650917-20031118-M00005.png) 1979-10-12
SE416852B (sv) 1981-02-09
CA1064139A (en) 1979-10-09
GB1560421A (en) 1980-02-06
IT1078734B (it) 1985-05-08
JPS5210788A (en) 1977-01-27
FR2318417A1 (fr) 1977-02-11

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Legal Events

Date Code Title Description
8131 Rejection