EP1224641B1 - Dispositif de detection de fumee - Google Patents

Dispositif de detection de fumee Download PDF

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Publication number
EP1224641B1
EP1224641B1 EP00956437A EP00956437A EP1224641B1 EP 1224641 B1 EP1224641 B1 EP 1224641B1 EP 00956437 A EP00956437 A EP 00956437A EP 00956437 A EP00956437 A EP 00956437A EP 1224641 B1 EP1224641 B1 EP 1224641B1
Authority
EP
European Patent Office
Prior art keywords
smoke
receiver
transmitter
radiation
cover
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 - Lifetime
Application number
EP00956437A
Other languages
German (de)
English (en)
Other versions
EP1224641B2 (fr
EP1224641A1 (fr
Inventor
Gottfried Müller
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.)
Schako KG
Original Assignee
Schako Klima Luft Ferdinand Schad KG
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=7926832&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP1224641(B1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Schako Klima Luft Ferdinand Schad KG filed Critical Schako Klima Luft Ferdinand Schad KG
Priority to DE20023533U priority Critical patent/DE20023533U1/de
Publication of EP1224641A1 publication Critical patent/EP1224641A1/fr
Publication of EP1224641B1 publication Critical patent/EP1224641B1/fr
Application granted granted Critical
Publication of EP1224641B2 publication Critical patent/EP1224641B2/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • G08B17/11—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

Definitions

  • the present invention relates to a device for Detection of smoke, for example in a room.
  • Smoke detectors are in a variety of forms and designs known and in the market. However, they work almost all according to a principle. To be detected, the smoke needs to be detected flow through the smoke detector. The procedure is known as scattered light method and requires that the Smoke comes into contact with the sensor. The consequence of this is that smoke detectors must protrude from the ceiling, a ceiling-flush installation is in accordance with the applicable European standard EN54 not possible. At the maintenance is it is necessary that the whole sensor head dismantled and to Manufacturer is sent. In practice, the Sensor heads replaced with new, because not to be maintained can be repaired by the manufacturer until the replaced come back waiting. As a result, it is necessary that twice the amount of smoke detectors from the Maintenance companies is stocked.
  • the commercially available smoke detectors can be manipulated be without causing a detection of the manipulation comes.
  • Another disadvantage of the known smoke detector is in that they easily get dirty in practice. are it pollutes, but they can no longer smoke detect.
  • a device wherein a transmitter to Emitting a radiation that can be reflected by the smoke in space and one recognizing the radiation reflected by the smoke Receivers are provided.
  • the present invention is based on the object Device of the o.g. Kind of creating with which simple way smoke detected, a pollution or sabotage detected or the smoke detector on his Functionality is tested. This should also the European standard EN54 for smoke alarm lighter and be more satisfiable.
  • the type of radiation is from subordinate importance.
  • it may be a laser or light radiation of each wavelength (preferably in the infrared range) act, however also thought of ultrasound or radiation that works according to the ionization principle. All radiation sources can be used here, where guaranteed is that the emitted radiation through the smoke particles is reflected.
  • the smoke detector is no longer of the Smoke must be flowed through, leaving a ceiling flush Installation is possible.
  • the transmitter and / or the receiver is according to the invention a Licking pre-set. This cover ensures that all elements necessary for the measurement are not be polluted.
  • the transmitter For detection (detection) of possibly occurring smoke the transmitter gives a radiation in the immediately below the Smoke detector lying room. Hits the radiation Smoke particles which form a reflection barrier can the receiver recognizes the reflected radiation. This is also the smoke detected. From the chosen one Radiation or angle of incidence also results in the Reflection distance, that is, the distance between smoke detectors and smoke.
  • the reflection time Determine there is a time difference between the time which is one from an opposite wall or Ground reflected radiation needed and the radiation, which is reflected by a closer room.
  • the inventive device is also a self-diagnosis provided.
  • the transmitter the cover assigned a control receiver.
  • the transmitter will pulse a short Radiation emitted. Is this from the control receiver Radiation confirmed, so is the function of the transmitter guaranteed.
  • the control receiver monitors the Radiation channel.
  • the cover serves as Reflecting surface. Will the radiation at the Reflected surface, so it is from a own transmitter or receiver detected, which it is stated that the cover has become radiopaque.
  • the novel device according to the invention for detecting Smoke can also be influenced by extraneous radiation.
  • the receiver should a filter upstream of these extraneous radiations filters out. For example, becomes light as radiation used, the sensor receives the entire incoming Light radiation, but only converts the light radiation with the The frequency is then converted to DC voltage, which is then the Transmission signal results. The remaining light radiation is in AC voltage converted and set to zero.
  • the device according to the invention is preferably so controlled that not already any deviation of the reflection to an alarm od.
  • an alarm od Like. leads.
  • Insect flyby which happens to reflect the radiation, to pass as well as a cleaning lady with a Feather duster. Therefore be through a control program a plurality of recognition processes in a row added. Only if several recognition processes consecutive, a deviation of the reflection detect, it comes to an alarm triggering. Also a abrupt increase in the deviation of reflection still results not to a message, since it is known that smoke tends to a continuous increase in a Reflection deviation leads.
  • the entire device is preferred as a unit educated. It can be designed as a stand-alone version its connections being through simple relay outputs be controlled.
  • the whole system is flexible Microprocessor system can be controlled via a BUS.
  • each smoke detector communicates with a central office.
  • An initialization sequence can cause a cable break be recognized, creating a completely unusual Smoke detector is determined.
  • the error message includes the degree of pollution or sabotage and the number of the device where the event occurred is.
  • the inventive device is especially suitable also for installation in ducts of air conditioning systems, these Devices usually for triggering Fire dampers serve.
  • these Devices usually for triggering Fire dampers serve.
  • the smoke detector in the correct direction was set to the flow direction. That is why in the past it often happened here Errors, especially if the flow direction was inconsistent and changed.
  • the inventive Device for detecting smoke is the Flow direction completely unimportant, so for the Arrangement of the device in the canal no great care must be spent.
  • An inventive device for detecting dashed lines indicated smoke 1 has a transmitter 2 and a receiver 3 on.
  • Transmitter 2 and receiver 3 are located preferably in a housing 4, which for example, can be embedded in a ceiling.
  • a cover 5 Between transmitter 2 and smoke 1 is a cover 5, which emits a beam 6 emitted by the transmitter 2 is let through. Likewise, there is another Cover 7 in front of the receiver 3, wherein the cover 7th a reflected beam 8 passes.
  • the transmitter 2 is preferably a separate receiver 9 as well a control receiver 10 assigned.
  • the receiver 3 in turn, a separate transmitter 11 and a control transmitter 12 assigned.
  • the actual smoke detection is done via the transmitter 2 and the receiver 3 according to Figure 2. If in a Smoke measurement zone is smoke 1, which is the transmitter 2 emitted radiation 6 is reflected on the smoke 1 and from the receiver 3 measured. The intensity of the reflection is a measure of the smoke density. Furthermore, results from a selected radiation or angle of incidence, the reflection distance, that is, it can also be determined how far the Smoke is removed from the inventive device.
  • the cover 5 or 7 dirty or taped so the radiation can not through the Cover 5/7 penetrate, but is reflected.
  • These reflected radiation is from the receiver 9 and the Receiver 3 determined.
  • the system can be set in this way be that also determines a percentage pollution becomes. This means, for example, that an error message is given only when the pollution is one has exceeded certain degree.
  • the setting can also happen so that with increasing pollution up to a certain level the smoke detection remains active.
  • a self test is also the desired device according to the invention. This one is in Figure 4 shown.
  • the self-test serve the Control receiver 10 and the control transmitter 12.
  • the transmitter 2 is tested by sending its signal from the receiver 10 directly Will be received. If the receiver 10 the radiation registered, it is found that the transmitter is functional.
  • the receiver 3 is tested by that of the transmitter 12 is illuminated. Does receiver 3 receive the radiation, he is functional.

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)

Claims (4)

  1. Dispositif de détection de fumée dans un volume comportant un émetteur (2) pour émettre un rayonnement susceptible d'être réfléchi par la fumée (1) et un récepteur (3) détectant le rayonnement réflécht par la fumée,
    caractérisé en ce que
    l'émetteur (2) et/ou le récepteur (3) sont munis d'un moyen de recouvrement (5, 7) transparent au rayonnement, l'émetteur (2) comporte son propre récepteur (9) pour recevoir le rayonnement réfléchi par le moyen de recouvrement (5) et/ou le récepteur (3) comporte son propre émetteur (11) devant le moyen de recouvrement (7).
  2. Dispositif selon la revendication 1,
    caractérisé en ce qu'
    un récepteur de contrôle (10) est associé à l'émetteur (2) pour détecter le rayonnement émis par l'émetteur.
  3. Dispositif selon la revendication 1 ou 2,
    caractérisé en ce qu'
    un émetteur de contrôle (12) est associé au récepteur (3).
  4. Dispositif selon l'une des revendications 1 à 3.
    caractérisé en ce que
    l'émetteur (2, 11, 12) et le récepteur (3, 9, 10) sont reliés à une centrale par un bus.
EP00956437.8A 1999-10-26 2000-08-12 Dispositif de detection de fumee Expired - Lifetime EP1224641B2 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE20023533U DE20023533U1 (de) 1999-10-26 2000-08-12 Vorrichtung zur Erkennung von Rauch

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE19951403A DE19951403B4 (de) 1999-10-26 1999-10-26 Verfahren zur Erkennung von Rauch
DE19951403 1999-10-26
PCT/EP2000/007871 WO2001031602A1 (fr) 1999-10-26 2000-08-12 Dispositif de detection de fumee

Publications (3)

Publication Number Publication Date
EP1224641A1 EP1224641A1 (fr) 2002-07-24
EP1224641B1 true EP1224641B1 (fr) 2003-05-02
EP1224641B2 EP1224641B2 (fr) 2014-01-08

Family

ID=7926832

Family Applications (1)

Application Number Title Priority Date Filing Date
EP00956437.8A Expired - Lifetime EP1224641B2 (fr) 1999-10-26 2000-08-12 Dispositif de detection de fumee

Country Status (6)

Country Link
EP (1) EP1224641B2 (fr)
AT (1) ATE239281T1 (fr)
AU (1) AU6838000A (fr)
DE (2) DE19951403B4 (fr)
ES (1) ES2198348T5 (fr)
WO (1) WO2001031602A1 (fr)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2008043451A2 (fr) 2006-10-09 2008-04-17 Schako Klima Luft Ferdinand Schad Kg Dispositif pour détecter de la fumée dans une pièce
CN101300612B (zh) * 2005-11-04 2010-11-03 西门子公司 将着火与火警探测器中的操作相区别的方法及火警探测器
DE102013003614A1 (de) 2013-02-20 2014-08-21 Job Lizenz Gmbh & Co Kg Vorrichtung zur Detektion von Rauch in einem Raum und Verfahren zum Überprüfen der Funktionsfähigkeit einer derartigen Vorrichtung
DE102013002859A1 (de) 2013-02-20 2014-08-21 Job Lizenz Gmbh & Co Kg Vorrichtung zur Detektion von Rauch in einem Raum und Verfahren zum Überprüfen der Funktionsfähigkeit einer derartigen Vorrichtung
US9659485B2 (en) 2014-04-23 2017-05-23 Tyco Fire & Security Gmbh Self-testing smoke detector with integrated smoke source
US9679468B2 (en) 2014-04-21 2017-06-13 Tyco Fire & Security Gmbh Device and apparatus for self-testing smoke detector baffle system
WO2022243152A1 (fr) * 2021-05-21 2022-11-24 Signify Holding B.V. Dispositif de commande de reconfiguration d'un système de détection à base de radiofréquence et son procédé

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10046992C1 (de) † 2000-09-22 2002-06-06 Bosch Gmbh Robert Streulichtrauchmelder
DE10135705A1 (de) * 2001-07-21 2003-02-20 Grecon Greten Gmbh & Co Kg Verfahren und Vorrichtung zur Auswertung elektromagnetischer Strahlung
DE102011108389A1 (de) 2011-07-22 2013-01-24 PPP "KB Pribor" Ltd. Rauchdetektor
DE102011108390B4 (de) 2011-07-22 2019-07-11 PPP "KB Pribor" Ltd. Verfahren zur Herstellung eines Rauchdetektors vom offenen Typ
DE102013101280A1 (de) 2013-02-08 2014-08-14 Schako Klima Luft Ferdinand Schad Kg Rauchmelder
EP2765566A3 (fr) 2013-02-08 2014-11-05 SCHAKO Klima Luft Ferdinand Schad KG Détecteur de fumée
EP3091517B1 (fr) 2015-05-06 2017-06-28 Siemens Schweiz AG Détecteur de fumée à écran diffusant ouvert et appareil de contrôle pour un tel détecteur de fumée à écran diffusant ouvert
EP3091516A1 (fr) 2015-05-06 2016-11-09 Siemens Schweiz AG Détecteur de fumée à écran diffusant ouvert et appareil de communication mobile pour un tel détecteur de fumée à écran diffusant ouvert pour la réception de données de détecteur et pour l'envoi des données mises à jour

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH571750A5 (en) * 1974-09-10 1976-01-15 Nohmi Bosai Kogyo Co Ltd Photoelectricccc aerosol or smoke detector - second photo cell receives reflected light from prism surface to compensate for contamination
US4011458A (en) * 1975-10-09 1977-03-08 Pyrotector, Incorporated Photoelectric detector with light source intensity regulation
ZA763862B (en) * 1975-07-21 1977-05-25 Gen Signal Corp Photodiode smoke detector
US4314239A (en) * 1979-12-13 1982-02-02 Giovanni Odone Portable electronic alarm device
US4870394A (en) * 1988-01-29 1989-09-26 Systron-Donner Corp. Smoke detector with improved testing
JP2935549B2 (ja) * 1990-08-23 1999-08-16 能美防災株式会社 火災検出方法及び装置
CH683464A5 (de) * 1991-09-06 1994-03-15 Cerberus Ag Optischer Rauchmelder mit aktiver Ueberwachung.
NL9200283A (nl) * 1992-02-17 1993-09-16 Aritech Bv Bewakingssysteem.
US5764142A (en) * 1995-09-01 1998-06-09 Pittway Corporation Fire alarm system with smoke particle discrimination
DE19912911C2 (de) * 1999-03-22 2001-07-19 Schako Metallwarenfabrik Vorrichtung zur Erkennung von Rauch

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101300612B (zh) * 2005-11-04 2010-11-03 西门子公司 将着火与火警探测器中的操作相区别的方法及火警探测器
WO2008043451A2 (fr) 2006-10-09 2008-04-17 Schako Klima Luft Ferdinand Schad Kg Dispositif pour détecter de la fumée dans une pièce
DE102013003614A1 (de) 2013-02-20 2014-08-21 Job Lizenz Gmbh & Co Kg Vorrichtung zur Detektion von Rauch in einem Raum und Verfahren zum Überprüfen der Funktionsfähigkeit einer derartigen Vorrichtung
DE102013002859A1 (de) 2013-02-20 2014-08-21 Job Lizenz Gmbh & Co Kg Vorrichtung zur Detektion von Rauch in einem Raum und Verfahren zum Überprüfen der Funktionsfähigkeit einer derartigen Vorrichtung
DE102013003614B4 (de) * 2013-02-20 2015-10-08 Job Lizenz Gmbh & Co Kg Vorrichtung zur Detektion von Rauch in einem Raum und Verfahren zum Überprüfen der Funktionsfähigkeit einer derartigen Vorrichtung
DE102013002859B4 (de) 2013-02-20 2018-08-23 Detectomat Gmbh Vorrichtung zur Detektion von Rauch in einem Raum und Verfahren zum Überprüfen der Funktionsfähigkeit einer derartigen Vorrichtung
US9679468B2 (en) 2014-04-21 2017-06-13 Tyco Fire & Security Gmbh Device and apparatus for self-testing smoke detector baffle system
US9659485B2 (en) 2014-04-23 2017-05-23 Tyco Fire & Security Gmbh Self-testing smoke detector with integrated smoke source
WO2022243152A1 (fr) * 2021-05-21 2022-11-24 Signify Holding B.V. Dispositif de commande de reconfiguration d'un système de détection à base de radiofréquence et son procédé

Also Published As

Publication number Publication date
DE19951403B4 (de) 2010-01-07
AU6838000A (en) 2001-05-08
ES2198348T5 (es) 2014-02-28
ATE239281T1 (de) 2003-05-15
EP1224641B2 (fr) 2014-01-08
WO2001031602A1 (fr) 2001-05-03
DE50002015D1 (de) 2003-06-05
DE19951403A1 (de) 2001-05-03
ES2198348T3 (es) 2004-02-01
EP1224641A1 (fr) 2002-07-24

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