DE2504300C3 - Vorrichtung zur Messung des Absorptionsvermögens eines Mediums, insbesondere von Rauch - Google Patents

Vorrichtung zur Messung des Absorptionsvermögens eines Mediums, insbesondere von Rauch

Info

Publication number
DE2504300C3
DE2504300C3 DE2504300A DE2504300A DE2504300C3 DE 2504300 C3 DE2504300 C3 DE 2504300C3 DE 2504300 A DE2504300 A DE 2504300A DE 2504300 A DE2504300 A DE 2504300A DE 2504300 C3 DE2504300 C3 DE 2504300C3
Authority
DE
Germany
Prior art keywords
polygon
partial beams
reflectors
partial
radiation source
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
Application number
DE2504300A
Other languages
German (de)
English (en)
Other versions
DE2504300A1 (de
DE2504300B2 (de
Inventor
Hansjoachim Maennedorf Paschedag (Schweiz)
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.)
Cerberus AG
Original Assignee
Cerberus AG
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 Cerberus AG filed Critical Cerberus AG
Publication of DE2504300A1 publication Critical patent/DE2504300A1/de
Publication of DE2504300B2 publication Critical patent/DE2504300B2/de
Application granted granted Critical
Publication of DE2504300C3 publication Critical patent/DE2504300C3/de
Expired 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
    • G01N21/84—Systems specially adapted for particular applications
    • G01N21/85—Investigating moving fluids or granular solids
    • 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
    • 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)
  • 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)
  • Investigating Or Analysing Materials By Optical Means (AREA)
  • Fire-Detection Mechanisms (AREA)
  • Photometry And Measurement Of Optical Pulse Characteristics (AREA)
DE2504300A 1974-03-08 1975-02-01 Vorrichtung zur Messung des Absorptionsvermögens eines Mediums, insbesondere von Rauch Expired DE2504300C3 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH328474A CH561942A5 (https=) 1974-03-08 1974-03-08

Publications (3)

Publication Number Publication Date
DE2504300A1 DE2504300A1 (de) 1975-09-11
DE2504300B2 DE2504300B2 (de) 1979-02-01
DE2504300C3 true DE2504300C3 (de) 1979-09-27

Family

ID=4252651

Family Applications (1)

Application Number Title Priority Date Filing Date
DE2504300A Expired DE2504300C3 (de) 1974-03-08 1975-02-01 Vorrichtung zur Messung des Absorptionsvermögens eines Mediums, insbesondere von Rauch

Country Status (6)

Country Link
US (1) US3994603A (https=)
JP (1) JPS5426863Y2 (https=)
CH (1) CH561942A5 (https=)
DE (1) DE2504300C3 (https=)
FR (1) FR2263506B1 (https=)
GB (1) GB1469045A (https=)

Families Citing this family (49)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5628530Y2 (https=) * 1977-06-10 1981-07-07
DE2856259C2 (de) * 1978-12-27 1987-01-22 Cerberus AG, Männedorf, Zürich Rauchdetektor
JPS5633551U (https=) * 1979-08-23 1981-04-02
ATE24787T1 (de) * 1980-12-18 1987-01-15 Cerberus Ag Rauchmelder nach dem strahlungs-extinktionsprinzip.
US4677426A (en) * 1983-01-28 1987-06-30 Electronic Dust Detection, Inc. Dust detecting ring assembly
US4543815A (en) * 1983-07-15 1985-10-01 Cerberus Ag Device for the detection of foreign components in a gas and an application of the device
FI854809A7 (fi) * 1984-12-18 1986-06-19 Hochiki Co Branddetektor som baserar sig pao minskat ljus.
US4719360A (en) * 1985-03-11 1988-01-12 Agency Of Industrial Science & Technology Method for determination of concentration of smoke emanating from combustion engine and apparatus for working said method
US4739177A (en) * 1985-12-11 1988-04-19 High Yield Technology Light scattering particle detector for wafer processing equipment
USRE33213E (en) * 1985-12-10 1990-05-08 High Yield Technology Light scattering particle detector for wafer processing equipment
US4857895A (en) * 1987-08-31 1989-08-15 Kaprelian Edward K Combined scatter and light obscuration smoke detector
DE58905587D1 (de) * 1988-03-30 1993-10-21 Cerberus Ag Verfahren zur Brandfrüherkennung.
DE3811475A1 (de) * 1988-04-06 1989-10-19 Deutsche Forsch Luft Raumfahrt Messeinrichtung zur bestimmung des streu- und absorptionskoeffizienten der atmosphaere
GB2241080B (en) * 1990-02-19 1994-06-01 Perkin Elmer Ltd Improvements in or relating to analytical-sampling devices and associated spectrophotometric apparatus and method
GB2245058A (en) * 1990-05-18 1991-12-18 Sieger Ltd A gas detector
DE4214840A1 (de) * 1992-05-05 1993-11-11 Draegerwerk Ag Vorrichtung zur gleichzeitigen Analyse verschiedener Bestandteile eines Fluids
US5333418A (en) * 1992-09-02 1994-08-02 Ronald Chambers Recessed smoke detector
US5568130A (en) * 1994-09-30 1996-10-22 Dahl; Ernest A. Fire detector
DE4437188C2 (de) * 1994-10-18 1999-04-08 Zeiss Carl Jena Gmbh Analysengerät zur Konzentrationsbestimmung
US5818578A (en) * 1995-10-10 1998-10-06 American Air Liquide Inc. Polygonal planar multipass cell, system and apparatus including same, and method of use
US5742399A (en) * 1996-04-18 1998-04-21 American Air Liquide, Inc. Method for stabilizing the wavelength in a laser spectrometer system
US5963336A (en) 1995-10-10 1999-10-05 American Air Liquide Inc. Chamber effluent monitoring system and semiconductor processing system comprising absorption spectroscopy measurement system, and methods of use
US5949537A (en) * 1996-04-18 1999-09-07 American Air Liquide Inc. In-line cell for absorption spectroscopy
US5880850A (en) * 1996-04-18 1999-03-09 American Air Liquide Inc Method and system for sensitive detection of molecular species in a vacuum by harmonic detection spectroscopy
GB2342987B (en) * 1998-10-20 2003-03-19 David Appleby Improved smoke sensor with a fault monitoring capability
US6876305B2 (en) * 1999-12-08 2005-04-05 Gentex Corporation Compact particle sensor
TW480456B (en) * 2000-02-02 2002-03-21 Umax Data Systems Inc Circular optical reflection device
US6442736B1 (en) 2000-10-03 2002-08-27 L'air Liquide Societe Anonyme A Directoire Et Conseil De Surveillance Pour L'etude Et L'expolitation Des Procedes Georges Claude Semiconductor processing system and method for controlling moisture level therein
DE10058469C1 (de) * 2000-11-24 2002-05-02 Draeger Safety Ag & Co Kgaa Optischer Gassensor
GB2389176C (en) * 2002-05-27 2011-07-27 Kidde Ip Holdings Ltd Smoke detector
AU2003268142A1 (en) * 2002-08-23 2004-03-11 General Electric Company 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
GB2423357A (en) * 2005-02-22 2006-08-23 Thorn Security A self-monitoring smoke detector
US7215428B2 (en) * 2005-04-08 2007-05-08 Ion Optics, Inc. Absorption spectroscopy apparatus and method
NO326482B1 (no) * 2005-05-31 2008-12-15 Integrated Optoelectronics As En ny infrarod laserbasert alarm
US8081304B2 (en) 2006-07-31 2011-12-20 Visualant, Inc. Method, apparatus, and article to facilitate evaluation of objects using electromagnetic energy
US7847700B2 (en) * 2007-07-03 2010-12-07 Conforti Fred J System and method for an optical particle detector
US20100266445A1 (en) * 2009-04-21 2010-10-21 Kenneth L. Campagna Portable antimicrobial ultra violet sterilizer
JP2014032068A (ja) * 2012-08-02 2014-02-20 Koptic Inc ガス濃度測定装置
US9664610B2 (en) * 2013-03-12 2017-05-30 Visualant, Inc. Systems for fluid analysis using electromagnetic energy that is reflected a number of times through a fluid contained within a reflective chamber
US9532009B1 (en) * 2013-04-10 2016-12-27 The Boeing Company Systems and methods for detecting contaminants using laser beam path length differences
US20170065178A1 (en) * 2014-03-12 2017-03-09 Sony Corporation Measurement device and measurement method
DE102014009642B4 (de) * 2014-06-26 2019-08-22 Elmos Semiconductor Aktiengesellschaft Verfahren zur Erfassung physikalischer Größen zur Detektion und Charakterisierung von Gasen, Nebel und Rauch, insbesondere einer Vorrichtung zur Messung der Partikelkonzentration
DE102014220581B4 (de) 2014-10-10 2026-02-19 Robert Bosch Gmbh Brandmeldevorrichtung
DE102016010088A1 (de) 2016-08-23 2018-03-01 Dräger Safety AG & Co. KGaA Messvorrichtung zur Absorptionsmessung von Gasen
JP7171203B2 (ja) * 2018-02-21 2022-11-15 ホーチキ株式会社 感知器
KR20250039487A (ko) * 2018-06-05 2025-03-20 일렉트로 싸이언티픽 인더스트리이즈 인코포레이티드 레이저 가공 장치, 그 작동 방법 및 이를 사용한 작업물 가공 방법
CN113324911B (zh) * 2021-07-09 2025-01-28 中南大学 一种应用于气体浓度检测的玻璃瓶及其浓度检测方法和系统
WO2023017321A1 (en) * 2022-01-30 2023-02-16 Saemi Zohreh Laser smoke / motion / vibration / temperature detector without the need for electrical energy

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3566385A (en) * 1968-04-22 1971-02-23 Nat Res Dev Fire detecting apparatus sensitive to refraction
JPS5431833B2 (https=) * 1972-12-28 1979-10-09
US3872315A (en) * 1973-12-21 1975-03-18 Babcock & Wilcox Co Radiation sensitive fluid analyzer

Also Published As

Publication number Publication date
GB1469045A (en) 1977-03-30
DE2504300A1 (de) 1975-09-11
FR2263506B1 (https=) 1980-08-01
US3994603A (en) 1976-11-30
CH561942A5 (https=) 1975-05-15
DE2504300B2 (de) 1979-02-01
JPS50118991U (https=) 1975-09-29
FR2263506A1 (https=) 1975-10-03
JPS5426863Y2 (https=) 1979-09-04

Similar Documents

Publication Publication Date Title
DE2504300C3 (de) Vorrichtung zur Messung des Absorptionsvermögens eines Mediums, insbesondere von Rauch
EP3504535B1 (de) Messvorrichtung zur absorptionsmessung von gasen
DE2754139C3 (de) Rauchdetektor
DE10246756B4 (de) Branderkennungsverfahren und Brandmelder zu dessen Durchführung
DE2901738C2 (de) Spektralphotometer
DE19713928C1 (de) Meßvorrichtung zur Infrarotabsorption
EP0054680B1 (de) Rauchmelder nach dem Strahlungs-Extinktions-Prinzip
DE3534019A1 (de) Optische bahnueberwachungsvorrichtung
DE2851444A1 (de) Lichtgitter
DE2046492C3 (de) Rauchmelder
DE69319184T2 (de) Flüssigkeitsverschmutzungfühler
DE2532603C3 (de) Optische Vorrichtung zur Bestimmung des Lichtaustrittswinkels
DE3000352C2 (de) Optoelektronisches Überwachungsgerät
DE3687223T2 (de) Anlage und geraet mit anwendung der rueckstrahlung von laserstrahlen zur entdeckung und lokalisierung eines objekts oder einer substanz, wie z.b. von brandrauch.
DE2709866C2 (de) Vorrichtung zur Feststellung von Schwebeteilchen
DE4138679C1 (https=)
DE2827705C3 (de) Gerät zur Feststellung von Fehlern an Bahnmaterial
DE1472144A1 (de) Spektralphotometer
DE3208737A1 (de) Optisches mehrstrahl-gasmessgeraet
CH578176A5 (en) Radiation extinction measuring instrument - has radiation source and radiation receiver using tube for medium to be tested
DE1957494C3 (de) Lichtelektrische Abtastvorrichtung
EP3743710B1 (de) Optisches detektionssystem zum detektieren einer substanz in einem messbereich
DE69407190T2 (de) Verfahren und vorrichtung zur vermeidung von falschmeldungen in optischen detektoranordnungen
DE2559806C3 (de) Vorrichtung zur Bestimmung der Konzentration von aus verschiedenen Gasen und gegebenenfalls Rauchteilchen bestehenden Komponenten eines Abgasgemisches
DE2908099A1 (de) Rauchdetektor

Legal Events

Date Code Title Description
C3 Grant after two publication steps (3rd publication)
8328 Change in the person/name/address of the agent

Free format text: WOLFF, M., DIPL.-PHYS., PAT.-ANW., 7000 STUTTGART

8339 Ceased/non-payment of the annual fee