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EP2151807A8 - Method of determining the operating period of a danger warning system and danger warning system - Google Patents

Method of determining the operating period of a danger warning system and danger warning system Download PDF

Info

Publication number
EP2151807A8
EP2151807A8 EP09008058A EP09008058A EP2151807A8 EP 2151807 A8 EP2151807 A8 EP 2151807A8 EP 09008058 A EP09008058 A EP 09008058A EP 09008058 A EP09008058 A EP 09008058A EP 2151807 A8 EP2151807 A8 EP 2151807A8
Authority
EP
European Patent Office
Prior art keywords
warning system
danger warning
filtered signal
determining
operating period
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.)
Granted
Application number
EP09008058A
Other languages
German (de)
French (fr)
Other versions
EP2151807A1 (en
EP2151807B1 (en
Inventor
Ansgar Richard Vöhringer
Thilo Lacoste
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.)
Hekatron Vertriebs GmbH
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
Publication of EP2151807A1 publication Critical patent/EP2151807A1/en
Publication of EP2151807A8 publication Critical patent/EP2151807A8/en
Application granted granted Critical
Publication of EP2151807B1 publication Critical patent/EP2151807B1/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
    • 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 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

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.
EP09008058A 2008-08-05 2009-06-19 Method of determining the operating period of a danger warning system and danger warning system Active EP2151807B1 (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 (3)

Publication Number Publication Date
EP2151807A1 EP2151807A1 (en) 2010-02-10
EP2151807A8 true EP2151807A8 (en) 2010-03-17
EP2151807B1 EP2151807B1 (en) 2011-05-11

Family

ID=41343478

Family Applications (1)

Application Number Title Priority Date Filing Date
EP09008058A Active EP2151807B1 (en) 2008-08-05 2009-06-19 Method of determining the operating period of a danger warning system and danger warning system

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 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
EP0777895B1 (en) * 1994-08-26 2003-10-08 Interlogix, 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
EP1552489B1 (en) * 2002-08-23 2008-12-10 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
WO2006024960A1 (en) * 2004-07-09 2006-03-09 Tyco Safety Products Canada Ltd. Smoke detector calibration

Also Published As

Publication number Publication date
ATE509333T1 (en) 2011-05-15
EP2151807A1 (en) 2010-02-10
EP2151807B1 (en) 2011-05-11
DE102008036437B4 (en) 2012-11-22
DE102008036437A1 (en) 2010-02-18

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