GB2397122B - Fire detector with low false alarm rate - Google Patents

Fire detector with low false alarm rate

Info

Publication number
GB2397122B
GB2397122B GB0300067A GB0300067A GB2397122B GB 2397122 B GB2397122 B GB 2397122B GB 0300067 A GB0300067 A GB 0300067A GB 0300067 A GB0300067 A GB 0300067A GB 2397122 B GB2397122 B GB 2397122B
Authority
GB
United Kingdom
Prior art keywords
false alarm
fire detector
alarm rate
low false
low
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 - Fee Related
Application number
GB0300067A
Other versions
GB0300067D0 (en
GB2397122A (en
Inventor
David Appleby
Stephen Henry Ellwood
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to GB0300067A priority Critical patent/GB2397122B/en
Publication of GB0300067D0 publication Critical patent/GB0300067D0/en
Publication of GB2397122A publication Critical patent/GB2397122A/en
Application granted granted Critical
Publication of GB2397122B publication Critical patent/GB2397122B/en
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • G08B17/103—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 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)
GB0300067A 2003-01-03 2003-01-03 Fire detector with low false alarm rate Expired - Fee Related GB2397122B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB0300067A GB2397122B (en) 2003-01-03 2003-01-03 Fire detector with low false alarm rate

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB0300067A GB2397122B (en) 2003-01-03 2003-01-03 Fire detector with low false alarm rate

Publications (3)

Publication Number Publication Date
GB0300067D0 GB0300067D0 (en) 2003-02-05
GB2397122A GB2397122A (en) 2004-07-14
GB2397122B true GB2397122B (en) 2006-02-08

Family

ID=9950620

Family Applications (1)

Application Number Title Priority Date Filing Date
GB0300067A Expired - Fee Related GB2397122B (en) 2003-01-03 2003-01-03 Fire detector with low false alarm rate

Country Status (1)

Country Link
GB (1) GB2397122B (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110930630A (en) * 2019-11-26 2020-03-27 福建好神奇电子科技有限公司 Smoke alarm and method thereof
CN110930631A (en) * 2019-11-26 2020-03-27 福建好神奇电子科技有限公司 Photoelectric fire smoke alarm and smoke detection deviation compensation method thereof

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10246756B4 (en) 2002-10-07 2006-03-16 Novar Gmbh Fire detection procedure and fire detector for its implementation
ITTO20070355A1 (en) * 2007-05-18 2008-11-19 Elkron Spa DEVICE AND METHOD TO DETECT SMOKE
CN104502310B (en) * 2008-09-05 2017-03-22 爱克斯崔里斯科技有限公司 Optical detection of particle characteristics
GB2464105A (en) * 2008-10-01 2010-04-07 Thorn Security A Particle Detector
US10115280B2 (en) * 2014-06-26 2018-10-30 Life Safety Distribution Ag Detector with optical block
EP3029646B1 (en) 2014-12-01 2019-01-30 Siemens Schweiz AG Scattered light smoke detector with a two-colour light emitting diode
ES2894676T3 (en) 2016-08-04 2022-02-15 Carrier Corp Smoke detector
EP3287999A1 (en) * 2016-08-25 2018-02-28 Siemens Schweiz AG Method for the detection of fire based on the stray light principle with staggered connection of a further led unit for beaming additional light impulses of different wavelengths and stray light angle and such stray light smoke detectors
CN106710127A (en) * 2017-01-25 2017-05-24 福建工程学院 Independent type photoelectric smoke sensing fire alarm device and working method
KR102638997B1 (en) * 2017-12-15 2024-02-20 아나로그 디바이시즈 인코포레이티드 Compact optical smoke detector system and apparatus
US10809173B2 (en) 2017-12-15 2020-10-20 Analog Devices, Inc. Smoke detector chamber boundary surfaces
EP3608657A3 (en) * 2018-08-07 2020-03-25 Inim Electronics S.r.l. Method and system for enhancing the detection dynamics of a particulate detector and particulate detector
IT201800007932A1 (en) * 2018-08-07 2020-02-07 Inim Electronics Srl Method and system for the calibration of a particulate detector and particulate detector
USD918756S1 (en) 2018-11-06 2021-05-11 Analog Devices, Inc. Smoke detector boundary
USD920825S1 (en) 2018-11-06 2021-06-01 Analog Devices, Inc. Smoke detector chamber
US10921367B2 (en) 2019-03-06 2021-02-16 Analog Devices, Inc. Stable measurement of sensors methods and systems
US11796445B2 (en) 2019-05-15 2023-10-24 Analog Devices, Inc. Optical improvements to compact smoke detectors, systems and apparatus
DE102019219200A1 (en) * 2019-12-10 2021-06-10 Siemens Schweiz Ag Smoke detection unit for a fire detector with basic pulse suppression and a suitable method for smoke detection
CN112384784B (en) * 2020-09-25 2024-04-16 香港应用科技研究院有限公司 Smoke detection system and method using multi-dimensional index monitoring based on multi-wavelength scattering
CN115235963A (en) * 2022-05-25 2022-10-25 中国船舶重工集团公司第七0三研究所 Self-correcting linear air suction type smoke detector

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5008559A (en) * 1988-09-17 1991-04-16 Hartwig Beyersdorf Method for operating an optical smoke detector and optical smoke detector for the method
JPH04268697A (en) * 1991-02-25 1992-09-24 Matsushita Electric Works Ltd Heat/smoke multiple sensor
GB2273769A (en) * 1992-12-15 1994-06-29 Stephen Henry Ellwood Proportional light scattering sensor for particles
US5381130A (en) * 1991-09-06 1995-01-10 Cerberus Ag Optical smoke detector with active self-monitoring
GB2306218A (en) * 1995-10-11 1997-04-30 Amlani Manhar Combination fire and smoke alarm
EP0877345A2 (en) * 1997-05-08 1998-11-11 Nittan Company, Limited Smoke sensor and monitor control system
WO2000007161A1 (en) * 1998-07-31 2000-02-10 Gsbs Development Corporation Smoke detectors
EP1146492A2 (en) * 2000-03-17 2001-10-17 Nittan Company, Limited Multi-sensor

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5008559A (en) * 1988-09-17 1991-04-16 Hartwig Beyersdorf Method for operating an optical smoke detector and optical smoke detector for the method
JPH04268697A (en) * 1991-02-25 1992-09-24 Matsushita Electric Works Ltd Heat/smoke multiple sensor
US5381130A (en) * 1991-09-06 1995-01-10 Cerberus Ag Optical smoke detector with active self-monitoring
GB2273769A (en) * 1992-12-15 1994-06-29 Stephen Henry Ellwood Proportional light scattering sensor for particles
GB2306218A (en) * 1995-10-11 1997-04-30 Amlani Manhar Combination fire and smoke alarm
EP0877345A2 (en) * 1997-05-08 1998-11-11 Nittan Company, Limited Smoke sensor and monitor control system
WO2000007161A1 (en) * 1998-07-31 2000-02-10 Gsbs Development Corporation Smoke detectors
EP1146492A2 (en) * 2000-03-17 2001-10-17 Nittan Company, Limited Multi-sensor

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110930630A (en) * 2019-11-26 2020-03-27 福建好神奇电子科技有限公司 Smoke alarm and method thereof
CN110930631A (en) * 2019-11-26 2020-03-27 福建好神奇电子科技有限公司 Photoelectric fire smoke alarm and smoke detection deviation compensation method thereof

Also Published As

Publication number Publication date
GB0300067D0 (en) 2003-02-05
GB2397122A (en) 2004-07-14

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Legal Events

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

Effective date: 20180103