GB2586283B - Optical smoke detector - Google Patents

Optical smoke detector Download PDF

Info

Publication number
GB2586283B
GB2586283B GB1911810.8A GB201911810A GB2586283B GB 2586283 B GB2586283 B GB 2586283B GB 201911810 A GB201911810 A GB 201911810A GB 2586283 B GB2586283 B GB 2586283B
Authority
GB
United Kingdom
Prior art keywords
smoke detector
optical smoke
optical
detector
smoke
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.)
Active
Application number
GB1911810.8A
Other versions
GB201911810D0 (en
GB2586283A (en
Inventor
Martyn Crick Jason
Andrew Lenn Hugh
Watson Philip
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.)
Apollo Fire Detectors Ltd
Original Assignee
Apollo Fire Detectors 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 Apollo Fire Detectors Ltd filed Critical Apollo Fire Detectors Ltd
Priority to GB1911810.8A priority Critical patent/GB2586283B/en
Publication of GB201911810D0 publication Critical patent/GB201911810D0/en
Priority to PCT/GB2020/051524 priority patent/WO2021032942A1/en
Publication of GB2586283A publication Critical patent/GB2586283A/en
Application granted granted Critical
Publication of GB2586283B publication Critical patent/GB2586283B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B29/00—Checking or monitoring of signalling or alarm systems; Prevention or correction of operating errors, e.g. preventing unauthorised operation
    • G08B29/02—Monitoring continuously signalling or alarm systems
    • G08B29/04—Monitoring of the detection circuits
    • G08B29/043—Monitoring of the detection circuits of fire detection circuits
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B29/00—Checking or monitoring of signalling or alarm systems; Prevention or correction of operating errors, e.g. preventing unauthorised operation
    • G08B29/18—Prevention or correction of operating errors
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B29/00—Checking or monitoring of signalling or alarm systems; Prevention or correction of operating errors, e.g. preventing unauthorised operation
    • G08B29/18—Prevention or correction of operating errors
    • G08B29/20—Calibration, including self-calibrating arrangements
    • G08B29/24—Self-calibration, e.g. compensating for environmental drift or ageing of components
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B29/00—Checking or monitoring of signalling or alarm systems; Prevention or correction of operating errors, e.g. preventing unauthorised operation
    • G08B29/18—Prevention or correction of operating errors
    • G08B29/20—Calibration, including self-calibrating arrangements
    • G08B29/24—Self-calibration, e.g. compensating for environmental drift or ageing of components
    • G08B29/28—Self-calibration, e.g. compensating for environmental drift or ageing of components by changing the gain of an amplifier

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Fire-Detection Mechanisms (AREA)
GB1911810.8A 2019-08-16 2019-08-16 Optical smoke detector Active GB2586283B (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
GB1911810.8A GB2586283B (en) 2019-08-16 2019-08-16 Optical smoke detector
PCT/GB2020/051524 WO2021032942A1 (en) 2019-08-16 2020-06-24 Optical smoke detector

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1911810.8A GB2586283B (en) 2019-08-16 2019-08-16 Optical smoke detector

Publications (3)

Publication Number Publication Date
GB201911810D0 GB201911810D0 (en) 2019-10-02
GB2586283A GB2586283A (en) 2021-02-17
GB2586283B true GB2586283B (en) 2022-01-26

Family

ID=68099435

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1911810.8A Active GB2586283B (en) 2019-08-16 2019-08-16 Optical smoke detector

Country Status (2)

Country Link
GB (1) GB2586283B (en)
WO (1) WO2021032942A1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP4375640A1 (en) 2022-11-22 2024-05-29 Wagner Group GmbH Method for monitoring an led
WO2024110433A1 (en) 2022-11-22 2024-05-30 Wagner Group Gmbh Classification of particles by means of spectral analysis

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2242521A (en) * 1989-06-15 1991-10-02 Fire Fighting Enterprises Particle detectors
WO2000072282A1 (en) * 1999-05-19 2000-11-30 Rokonet Electronics Ltd. Self adjusting smoke detector
WO2004104959A2 (en) * 2003-05-23 2004-12-02 Apollo Fire Detectors Limited Smoke detector

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4306230A (en) * 1979-12-10 1981-12-15 Honeywell Inc. Self-checking photoelectric smoke detector
GB2404731B (en) 2003-07-31 2006-08-09 Apollo Fire Detectors Ltd Smoke detector with compact light source
GB2531495B (en) 2014-06-16 2017-04-12 Apollo Fire Detectors Ltd Smoke detector

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2242521A (en) * 1989-06-15 1991-10-02 Fire Fighting Enterprises Particle detectors
WO2000072282A1 (en) * 1999-05-19 2000-11-30 Rokonet Electronics Ltd. Self adjusting smoke detector
WO2004104959A2 (en) * 2003-05-23 2004-12-02 Apollo Fire Detectors Limited Smoke detector

Also Published As

Publication number Publication date
GB201911810D0 (en) 2019-10-02
GB2586283A (en) 2021-02-17
WO2021032942A1 (en) 2021-02-25

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