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WO2003102889A1 - Detecteur d'incendie et systeme de detection d'incendie - Google Patents

Detecteur d'incendie et systeme de detection d'incendie Download PDF

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Publication number
WO2003102889A1
WO2003102889A1 PCT/CH2003/000336 CH0300336W WO03102889A1 WO 2003102889 A1 WO2003102889 A1 WO 2003102889A1 CH 0300336 W CH0300336 W CH 0300336W WO 03102889 A1 WO03102889 A1 WO 03102889A1
Authority
WO
WIPO (PCT)
Prior art keywords
sensor
fire
sensors
room
fire detector
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.)
Ceased
Application number
PCT/CH2003/000336
Other languages
German (de)
English (en)
Inventor
Gustav Pfister
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.)
Siemens Building Technologies AG
Original Assignee
Siemens Building Technologies 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 Siemens Building Technologies AG filed Critical Siemens Building Technologies AG
Priority to AU2003229229A priority Critical patent/AU2003229229A1/en
Publication of WO2003102889A1 publication Critical patent/WO2003102889A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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
    • G08B29/183—Single detectors using dual technologies
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B13/00—Burglar, theft or intruder alarms
    • G08B13/18—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength
    • G08B13/189—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength using passive radiation detection systems
    • G08B13/194—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength using passive radiation detection systems using image scanning and comparing systems
    • G08B13/196—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength using passive radiation detection systems using image scanning and comparing systems using television cameras
    • 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
    • G08B17/125—Actuation by presence of radiation or particles, e.g. of infrared radiation or of ions by using a video camera to detect fire or smoke
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B19/00—Alarms responsive to two or more different undesired or abnormal conditions, e.g. burglary and fire, abnormal temperature and abnormal rate of flow
    • G08B19/005—Alarms responsive to two or more different undesired or abnormal conditions, e.g. burglary and fire, abnormal temperature and abnormal rate of flow combined burglary and fire alarm systems

Definitions

  • the present invention relates to a fire detector with at least one sensor for a fire parameter, the signals of which are fed to evaluation electronics.
  • Fire detectors of this type are known today in a number of designs, the evaluation electronics checking whether the sensor signal fulfills certain fire criteria. For example, the sensor signal is compared with one or more threshold values and a pre-alarm or alarm is triggered when they are exceeded, or a fuzzy logic check is carried out to determine whether the sensor signal fulfills certain fuzzy rules.
  • the evaluation electronics can be provided either peripherally in the fire detector itself or in a control center.
  • sensors for fire parameters are, in particular, optical sensors for measuring the scattered light caused by smoke, temperature sensors for measuring the heat caused by a fire and gas sensors for detecting fire gases occurring in the event of a fire.
  • These sensors can either be provided individually, then one speaks of a scattered light, temperature or fire gas detector, or they can be used in any combination in so-called multi-criteria detectors.
  • a multi-criteria detector with an optical sensor, a temperature sensor and a fire gas sensor is described for example in EP-A-1 103 937 and in WO-A-00 14693, a fire detector with a camera in DE-A-100 11 411.
  • sensors such as gas sensors or sensors for controlling the air conditioning / heating of the building in question, or also motion sensors for the detection of intruders are generally provided in a building in addition to fire detectors, all of these different types of sensors having their own wiring, Show energy supply and evaluation, which naturally causes not inconsiderable costs.
  • the invention is intended to provide a solution which, in conjunction with a fire alarm system with fire detectors, enables these costs to be reduced. According to the invention, this object is achieved in that the signals of the at least one sensor are provided in addition to fire detection for at least one further application.
  • a first preferred embodiment of the fire detector according to the invention is characterized in that the at least one sensor is formed by a temperature sensor, a gas sensor or a camera, or that any combination of these sensors is provided.
  • the fire detector preferably has an optical sensor for measuring scattered light and one or more of the sensors mentioned.
  • a second preferred embodiment of the fire detector according to the invention is characterized in that the signals of the at least one sensor or the plurality of sensors are used to control the conditioning of the room in question.
  • a third preferred embodiment is characterized in that the at least one sensor or one of the sensors is formed by a temperature sensor and that its signal is additionally used to control the heating / air conditioning of the room in question.
  • a fourth preferred embodiment of the fire detector according to the invention is characterized in that the at least one sensor or one of the sensors is formed by a gas sensor and that its signal is additionally used for controlling the ventilation of the room in question.
  • a fifth preferred embodiment of the fire detector according to the invention is characterized in that the at least one sensor or one of the sensors is formed by a gas sensor and that its signal is additionally used for the detection of a specific gas.
  • a further preferred embodiment is characterized in that the at least one sensor or one of the sensors is formed by a camera and that its signal is additionally used to control the lighting of the room in question.
  • a further preferred embodiment of the fire detector according to the invention is characterized in that the at least one sensor or one of the sensors is formed by a camera and that its signal is additionally used for the detection of the presence of people in the room in question.
  • the presence of people in the room in question is preferably used to control the room conditioning and / or the room lighting and / or to emit an alarm signal indicating an unauthorized intruder.
  • the invention further relates to a fire alarm system with fire alarms of the type mentioned connected to an alarm center.
  • the fire alarm system according to the invention is characterized in that the fire alarms are additionally connected to a house control center for building management.
  • the fire detector 1 shown contains an optical sensor 2 for scattered light measurement, which is expanded by additional sensors for fire parameters. These additional sensors are a temperature sensor 3, a gas sensor 4 and a camera 5. The outputs of all the sensors mentioned are led to an evaluation electronics 6. The structure of such detectors is known and is not described in detail here; in this connection reference is made to EP-A-1 103 937 and WO-A-00 14693.
  • fire detector 1 does not have to have all of the sensors mentioned in order to enable the monitoring of further parameters (in addition to fire detection). Basically, with one exception, such monitoring is possible with each of the sensors shown, alone or in combination with the other sensors. This one exception concerns the case in which the fire detector has only the optical sensor 2 for measuring the scattered light. In this case, the fire detector would be a pure scattered light detector that cannot be used for any other application.
  • Temperature sensor 3 temperature detector
  • temperature sensor 3 plus optical sensor 2 temperature / stray light detector
  • Gas sensor 4 fire gas detector
  • gas sensor 4 plus optical sensor 2 fire gas / stray light detector
  • the signals from the sensors 2 and / or 3 and / or 4 and / or 5 are processed in a known manner in the evaluation electronics 6. While the camera 5 is used to evaluate its signal using image processing methods, the signals of all other sensors are compared with an alarm threshold and preferably at least one pre-alarm threshold and the evaluation electronics 6 emits if the or the alarm threshold is exceeded by the transmitter. sorsignal or upon detection of smoke or fire in the image recorded by the camera 5 at an output 7 from an alarm signal. Intelligent signal processing using fuzzy logic or a neural network, for example, ensures that the alarm signal is given at the lowest possible values for the relevant fire parameter (s) without causing unacceptable false alarms.
  • the alarm signal activates an alarm display arranged in the fire detector 1 and, on the other hand, it is fed to an alarm center 8, which then triggers the necessary measures (alarming the fire brigade, evacuation of people, automatic extinguishing, etc.).
  • the evaluation electronics 6 do not need to be decentralized in the detector 1, but could also be provided centrally in the alarm center 8.
  • the arrangement described so far largely corresponds to that of known fire detectors.
  • the additional benefit of the fire detector 1 according to the invention is that the signals from the temperature sensor 3 and / or the gas sensor 4 and / or the camera 5 are used for the investigation of additional parameters, for example for gas detection, and in the broadest sense for building management, under building management the conditioning of the rooms, in particular their air conditioning / heating / ventilation / lighting is to be understood.
  • evaluation electronics 6 additionally compares the signal from temperature sensor 3 with a heating / cooling curve and, in the event of deviations via output 9, delivers a corresponding control signal to a central house unit 10.
  • sensor constellation 2 the additional benefit depends on the type of detection Gases off. If CQ is to be detected, the ventilation can be controlled using the C0 2 concentration; if CO or NO x is to be detected, the fire detector 1 can also be used as a gas detector to monitor the concentration of these gases.
  • a suitable CO sensor reference is made to EP-B-0 612 408
  • the light intensity in the relevant room can be measured in the evaluation electronics 6 and the lighting can be controlled accordingly via the output 9. Or it can be determined from the image recorded by the camera 5 whether and how many people are in the room in question and these parameters can then be used to control the room conditioning (air conditioning / heating / ventilation) and / or the lighting.

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Multimedia (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Fire Alarms (AREA)

Abstract

Détecteur d'incendie qui comporte au moins un capteur pour une grandeur caractéristique d'incendie, dont les signaux sont envoyés à un dispositif électronique (6) d'évaluation. En plus de la détection d'incendie, les signaux produits par le(s) capteur(s) (3, 4, 5) sont mis à disposition pour au moins une autre application. Le capteur selon la présente invention est constitué d'un capteur de température (3), d'un capteur de gaz (4) ou d'une caméra (5), ou bien ledit détecteur comporte une combinaison quelconque de ces capteurs. Les signaux fournis par le(s) capteur(s) (3, 4, 5) ou la combinaison de capteurs sont utilisés pour commander le conditionnement de l'espace concerné. Dans un système de détection d'incendie doté de détecteurs d'incendie (1) selon la présente invention connectés à une centrale d'alarme (8), lesdits détecteurs (1) sont en outre connectés à une centrale interne (1) pour la gestion du bâtiment.
PCT/CH2003/000336 2002-06-04 2003-05-30 Detecteur d'incendie et systeme de detection d'incendie Ceased WO2003102889A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU2003229229A AU2003229229A1 (en) 2002-06-04 2003-05-30 Fire detector and fire detection system

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH9352002 2002-06-04
CH935/02 2002-06-04

Publications (1)

Publication Number Publication Date
WO2003102889A1 true WO2003102889A1 (fr) 2003-12-11

Family

ID=29589394

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CH2003/000336 Ceased WO2003102889A1 (fr) 2002-06-04 2003-05-30 Detecteur d'incendie et systeme de detection d'incendie

Country Status (2)

Country Link
AU (1) AU2003229229A1 (fr)
WO (1) WO2003102889A1 (fr)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2006007859A3 (fr) * 2004-07-18 2006-03-23 Ahmed Abd Elhamied Moh Elshaer Dispositif automatique d'alarme incendie precoce et d'extinction d'incendie
WO2009129871A1 (fr) * 2008-04-25 2009-10-29 Robert Bosch Gmbh Dispositif détecteur d'incendie et procédé de détection d'incendie
WO2010125483A2 (fr) 2009-05-01 2010-11-04 Koninklijke Philips Electronics, N.V. Systèmes et appareil pour commande d'éclairage en fonction d'image et commande de sécurité
DE102010002295A1 (de) 2010-02-24 2011-08-25 Liebold, Edgar, 08064 Brandmelder sowie Überwachungssystem mit einem solchen Brandmelder
US11270575B2 (en) 2018-12-07 2022-03-08 Carrier Corporation Method of optical alignment and verification of field of view integrity for a flame detector and system

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4319229A (en) * 1980-06-09 1982-03-09 Firecom, Inc. Alarm system having plural diverse detection means
EP0341022A2 (fr) * 1988-05-03 1989-11-08 Electronic Environmental Controls Inc. Monitorage d'un espace et système de contrôle
US5289275A (en) * 1991-07-12 1994-02-22 Hochiki Kabushiki Kaisha Surveillance monitor system using image processing for monitoring fires and thefts
US5451929A (en) * 1991-07-02 1995-09-19 Newtron Products Company Smoke alarm and air cleaning device
WO2001042718A1 (fr) * 1999-12-07 2001-06-14 Ray Hudson Limited Appareil de ventilation
JP2001324191A (ja) * 2000-05-18 2001-11-22 Daikin Ind Ltd 空気調和装置

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4319229A (en) * 1980-06-09 1982-03-09 Firecom, Inc. Alarm system having plural diverse detection means
EP0341022A2 (fr) * 1988-05-03 1989-11-08 Electronic Environmental Controls Inc. Monitorage d'un espace et système de contrôle
US5451929A (en) * 1991-07-02 1995-09-19 Newtron Products Company Smoke alarm and air cleaning device
US5289275A (en) * 1991-07-12 1994-02-22 Hochiki Kabushiki Kaisha Surveillance monitor system using image processing for monitoring fires and thefts
WO2001042718A1 (fr) * 1999-12-07 2001-06-14 Ray Hudson Limited Appareil de ventilation
JP2001324191A (ja) * 2000-05-18 2001-11-22 Daikin Ind Ltd 空気調和装置

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
PATENT ABSTRACTS OF JAPAN vol. 2002, no. 03 3 April 2002 (2002-04-03) *

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2006007859A3 (fr) * 2004-07-18 2006-03-23 Ahmed Abd Elhamied Moh Elshaer Dispositif automatique d'alarme incendie precoce et d'extinction d'incendie
WO2009129871A1 (fr) * 2008-04-25 2009-10-29 Robert Bosch Gmbh Dispositif détecteur d'incendie et procédé de détection d'incendie
GB2472728A (en) * 2008-04-25 2011-02-16 Bosch Gmbh Robert Fire detector device and method for fire detection
GB2472728B (en) * 2008-04-25 2012-05-02 Bosch Gmbh Robert Fire detector device and method for fire detection
DE102008001391B4 (de) * 2008-04-25 2017-06-01 Robert Bosch Gmbh Brandmeldervorrichtung sowie Verfahren zur Branddetektion
WO2010125483A2 (fr) 2009-05-01 2010-11-04 Koninklijke Philips Electronics, N.V. Systèmes et appareil pour commande d'éclairage en fonction d'image et commande de sécurité
WO2010125483A3 (fr) * 2009-05-01 2011-01-13 Koninklijke Philips Electronics, N.V. Systèmes et appareil pour commande d'éclairage en fonction d'image et commande de sécurité
US8754960B2 (en) 2009-05-01 2014-06-17 Koninklijke Philips N.V. Systems and apparatus for image-based lighting control and security control
DE102010002295A1 (de) 2010-02-24 2011-08-25 Liebold, Edgar, 08064 Brandmelder sowie Überwachungssystem mit einem solchen Brandmelder
US11270575B2 (en) 2018-12-07 2022-03-08 Carrier Corporation Method of optical alignment and verification of field of view integrity for a flame detector and system

Also Published As

Publication number Publication date
AU2003229229A1 (en) 2003-12-19

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