ATE509333T1 - METHOD FOR DETERMINING THE OPERATIONAL DURATION OF A HAZARD DETECTOR AND HAZARD DETECTOR - Google Patents

METHOD FOR DETERMINING THE OPERATIONAL DURATION OF A HAZARD DETECTOR AND HAZARD DETECTOR

Info

Publication number
ATE509333T1
ATE509333T1 AT09008058T AT09008058T ATE509333T1 AT E509333 T1 ATE509333 T1 AT E509333T1 AT 09008058 T AT09008058 T AT 09008058T AT 09008058 T AT09008058 T AT 09008058T AT E509333 T1 ATE509333 T1 AT E509333T1
Authority
AT
Austria
Prior art keywords
hazard detector
filtered signal
determining
orders
filtering
Prior art date
Application number
AT09008058T
Other languages
German (de)
Inventor
Ansgar Richard Voehringer
Thilo Lacoste
Original Assignee
Hekatron Vertriebs Gmbh
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 Hekatron Vertriebs Gmbh filed Critical Hekatron Vertriebs Gmbh
Application granted granted Critical
Publication of ATE509333T1 publication Critical patent/ATE509333T1/en

Links

Classifications

    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING SYSTEMS, e.g. PERSONAL 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
    • G08B29/26—Self-calibration, e.g. compensating for environmental drift or ageing of components by updating and storing reference thresholds
    • 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

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)
  • Fire Alarms (AREA)
  • Alarm Systems (AREA)
  • Emergency Alarm Devices (AREA)

Abstract

The method involves determining a filtered signal (2) of measurement- or operation value (1) of a danger warning system i.e. fire alarm, by exponentially filtering first and second orders with filter parameters, and weighted summing of results from filtering the first and second orders. A momentary increase of the filtered signal is determined from the filter parameters and another filter parameter. Information about time period until exceeding or falling below a predetermined reference value through the filtered signal is determined by increasing the filtered signal. An independent claim is also included for a danger warning system including a signal processing device.
AT09008058T 2008-08-05 2009-06-19 METHOD FOR DETERMINING THE OPERATIONAL DURATION OF A HAZARD DETECTOR AND HAZARD DETECTOR ATE509333T1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102008036437A DE102008036437B4 (en) 2008-08-05 2008-08-05 Method for determining the service life of a hazard detector and hazard detector

Publications (1)

Publication Number Publication Date
ATE509333T1 true ATE509333T1 (en) 2011-05-15

Family

ID=41343478

Family Applications (1)

Application Number Title Priority Date Filing Date
AT09008058T ATE509333T1 (en) 2008-08-05 2009-06-19 METHOD FOR DETERMINING THE OPERATIONAL DURATION OF A HAZARD DETECTOR AND HAZARD DETECTOR

Country Status (3)

Country Link
EP (1) EP2151807B1 (en)
AT (1) ATE509333T1 (en)
DE (1) DE102008036437B4 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102017200544A1 (en) 2017-01-13 2018-07-19 Siemens Schweiz Ag Determination of a lead time for the replacement of an optical smoke detector depending on its contamination
DE102020206453A1 (en) * 2020-05-25 2021-11-25 Robert Bosch Gesellschaft mit beschränkter Haftung Method for contamination detection of a fire alarm, fire alarm, computer program and machine-readable storage medium
CN113673787B (en) * 2021-09-10 2023-09-26 中国舰船研究设计中心 An unmanned cluster multi-domain detection data track association and prediction method

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH669859A5 (en) * 1986-06-03 1989-04-14 Cerberus Ag
WO1996007165A1 (en) * 1994-08-26 1996-03-07 Sentrol, Inc. Self-contained, self-adjusting smoke detector and method of operating it
US5612674A (en) * 1995-01-05 1997-03-18 Pittway Corporation High sensitivity apparatus and method with dynamic adjustment for noise
US6229439B1 (en) * 1998-07-22 2001-05-08 Pittway Corporation System and method of filtering
US6989756B2 (en) * 2002-06-20 2006-01-24 Siemens Building Technologies, Inc. Smoke detector maintenance indication method and apparatus
AU2003268142A1 (en) * 2002-08-23 2004-03-11 General Electric Company Rapidly responding, false detection immune alarm signal producing smoke detector
DE10300868A1 (en) * 2003-01-10 2004-07-29 Hekatron Vertriebs Gmbh Fire detection system uses temperature and gas sensors with automatic facility for testing functionality
US7224284B2 (en) * 2004-07-09 2007-05-29 Tyco Safety Products Canada Ltd. Smoke detector calibration

Also Published As

Publication number Publication date
DE102008036437A1 (en) 2010-02-18
EP2151807A1 (en) 2010-02-10
EP2151807B1 (en) 2011-05-11
DE102008036437B4 (en) 2012-11-22
EP2151807A8 (en) 2010-03-17

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