GB2020417B - Flame detector fire alarm - Google Patents

Flame detector fire alarm

Info

Publication number
GB2020417B
GB2020417B GB7914323A GB7914323A GB2020417B GB 2020417 B GB2020417 B GB 2020417B GB 7914323 A GB7914323 A GB 7914323A GB 7914323 A GB7914323 A GB 7914323A GB 2020417 B GB2020417 B GB 2020417B
Authority
GB
United Kingdom
Prior art keywords
fire alarm
flame detector
detector fire
flame
alarm
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
GB7914323A
Other versions
GB2020417A (en
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 GB2020417A publication Critical patent/GB2020417A/en
Application granted granted Critical
Publication of GB2020417B publication Critical patent/GB2020417B/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
    • G01J5/00—Radiation pyrometry, e.g. infrared or optical thermometry
    • G01J5/02—Constructional details
    • G01J5/04—Casings
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
    • G01J5/00—Radiation pyrometry, e.g. infrared or optical thermometry
    • G01J5/0014—Radiation pyrometry, e.g. infrared or optical thermometry for sensing the radiation from gases, flames
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
    • G01J5/00—Radiation pyrometry, e.g. infrared or optical thermometry
    • G01J5/02—Constructional details
    • G01J5/04—Casings
    • G01J5/046—Materials; Selection of thermal materials
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
    • G01J5/00—Radiation pyrometry, e.g. infrared or optical thermometry
    • G01J5/02—Constructional details
    • G01J5/08—Optical arrangements
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
    • G01J5/00—Radiation pyrometry, e.g. infrared or optical thermometry
    • G01J5/02—Constructional details
    • G01J5/08—Optical arrangements
    • G01J5/0801—Means for wavelength selection or discrimination
    • G01J5/0802—Optical filters
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
    • G01J5/00—Radiation pyrometry, e.g. infrared or optical thermometry
    • G01J5/02—Constructional details
    • G01J5/08—Optical arrangements
    • G01J5/0875—Windows; Arrangements for fastening thereof
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B17/00—Fire alarms; Alarms responsive to explosion
    • G08B17/12—Actuation by presence of radiation or particles, e.g. of infrared radiation or of ions

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Photometry And Measurement Of Optical Pulse Characteristics (AREA)
  • Fire-Detection Mechanisms (AREA)
  • Investigating, Analyzing Materials By Fluorescence Or Luminescence (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
  • Control Of Combustion (AREA)
GB7914323A 1978-04-25 1979-04-24 Flame detector fire alarm Expired GB2020417B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH446678A CH628171A5 (en) 1978-04-25 1978-04-25 FLAME DETECTOR.

Publications (2)

Publication Number Publication Date
GB2020417A GB2020417A (en) 1979-11-14
GB2020417B true GB2020417B (en) 1982-11-24

Family

ID=4276616

Family Applications (2)

Application Number Title Priority Date Filing Date
GB8103946A Withdrawn GB2065880A (en) 1978-04-25 1979-04-24 Radiation Detector for a Fire Alarm
GB7914323A Expired GB2020417B (en) 1978-04-25 1979-04-24 Flame detector fire alarm

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GB8103946A Withdrawn GB2065880A (en) 1978-04-25 1979-04-24 Radiation Detector for a Fire Alarm

Country Status (7)

Country Link
JP (1) JPS54146596A (en)
AT (1) AT381406B (en)
AU (1) AU521239B2 (en)
CH (2) CH628171A5 (en)
DE (2) DE2857795C2 (en)
FR (2) FR2424036A1 (en)
GB (2) GB2065880A (en)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH648660A5 (en) * 1980-12-03 1985-03-29 Cerberus Ag RADIATION DETECTOR FOR A FLAME DETECTOR.
EP0064811B1 (en) * 1981-04-16 1988-09-21 EMI Limited Flame detector
US4742236A (en) * 1985-04-27 1988-05-03 Minolta Camera Kabushiki Kaisha Flame detector for detecting phase difference in two different wavelengths of light
US4639598A (en) * 1985-05-17 1987-01-27 Santa Barbara Research Center Fire sensor cross-correlator circuit and method
JP2622382B2 (en) * 1987-07-30 1997-06-18 バブコツク日立株式会社 Flame detector
DE3924250A1 (en) * 1989-07-21 1991-02-07 Preussag Ag Feuerschutz FIRE DETECTOR
EP2251846B1 (en) 2009-05-13 2017-04-05 Minimax GmbH & Co KG Fire alarm
ES2569603T3 (en) 2009-05-13 2016-05-11 Minimax Gmbh & Co Kg Device and procedure for flame detection by means of detectors
US9587987B2 (en) * 2012-03-12 2017-03-07 Honeywell International Inc. Method and device for detection of multiple flame types
DE102021004593A1 (en) 2021-09-10 2023-03-16 Promecon Process Measurement Control Gmbh Metallurgical melting furnace and method for determining the amount of heteromolecular gas

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3665440A (en) * 1969-08-19 1972-05-23 Teeg Research Inc Fire detector utilizing ultraviolet and infrared sensors
FR2151148A5 (en) * 1971-08-20 1973-04-13 Detection Electro Fse
US3896311A (en) 1974-01-02 1975-07-22 Minnesota Mining & Mfg Pyroelectric motion and temperature sensitive infrared detector with conductive fingers
US3992110A (en) * 1974-09-03 1976-11-16 The United States Of America As Represented By The Secretary Of The Navy Multi-spectral optical comparator

Also Published As

Publication number Publication date
FR2470418B1 (en) 1985-04-12
FR2424036A1 (en) 1979-11-23
DE2823411A1 (en) 1979-11-08
CH640963A5 (en) 1984-01-31
CH628171A5 (en) 1982-02-15
DE2857795C2 (en) 1985-09-26
ATA252479A (en) 1986-02-15
AT381406B (en) 1986-10-10
FR2470418A1 (en) 1981-05-29
JPS54146596A (en) 1979-11-15
GB2020417A (en) 1979-11-14
AU521239B2 (en) 1982-03-25
FR2424036B1 (en) 1983-07-18
GB2065880A (en) 1981-07-01
DE2823411C2 (en) 1982-06-03
JPS6239473B2 (en) 1987-08-24
AU4648679A (en) 1979-11-01

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19950424