EP1538580B9 - Système de signalisation de danger - Google Patents

Système de signalisation de danger Download PDF

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Publication number
EP1538580B9
EP1538580B9 EP03028034.1A EP03028034A EP1538580B9 EP 1538580 B9 EP1538580 B9 EP 1538580B9 EP 03028034 A EP03028034 A EP 03028034A EP 1538580 B9 EP1538580 B9 EP 1538580B9
Authority
EP
European Patent Office
Prior art keywords
hazard
detectors
signalling system
control centre
detector loop
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
EP03028034.1A
Other languages
German (de)
English (en)
Other versions
EP1538580A1 (fr
EP1538580B1 (fr
EP1538580B2 (fr
Inventor
Jörg-Erich Schulz
Walter Vollenweider
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 Schweiz AG
Original Assignee
Siemens Schweiz 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
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Application filed by Siemens Schweiz AG filed Critical Siemens Schweiz AG
Priority to AT03028034T priority Critical patent/ATE424600T1/de
Priority to DE50311248T priority patent/DE50311248D1/de
Priority to EP03028034.1A priority patent/EP1538580B9/fr
Publication of EP1538580A1 publication Critical patent/EP1538580A1/fr
Publication of EP1538580B1 publication Critical patent/EP1538580B1/fr
Application granted granted Critical
Publication of EP1538580B2 publication Critical patent/EP1538580B2/fr
Publication of EP1538580B9 publication Critical patent/EP1538580B9/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
    • 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
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B25/00—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems
    • G08B25/01—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems characterised by the transmission medium
    • G08B25/04—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems characterised by the transmission medium using a single signalling line, e.g. in a closed loop

Definitions

  • the present invention relates to a hazard alarm system with an alarm center, a detector loop and with danger alarms that are connected to this detector loop.
  • Such alarm systems can be in particular fire alarm systems with a fire alarm panel and connected to a bus forming the detector loop fire detectors or burglar alarm systems with a burglar alarm and burglar alarms connected to the bus.
  • fire alarm systems it was not yet permissible to operate other devices on the detector loop because it was feared that the function of the fire alarm system could be impaired by these other devices.
  • the climate controllers would detect a temperature increase when a fire started and subsequently send messages to reduce the heating or switch on the cooling system to the central air conditioning unit. In the worst case, so many such messages could be discontinued that the bus is blocked and the fire detectors can no longer send their alarm messages.
  • the EP 0689145 A1 describes one way the access of different systems.
  • a general bus with time sharing for access to the bus is assigned to the systems according to their own specific modes such as protocol, speed, etc.
  • the system that controls the bus at the time At the end of its transmission cycle, the system that controls the bus at the time generates an event that establishes a synchronization basis for all devices present on the line. These then contribute to the arrangement of a successive conflict byte, which leads to the identification of the system and thus the control of the system is obtained.
  • the invention is now a danger detection system will be specified, which is so robust that a trouble-free simultaneous operation of hazard detectors and other devices is possible on the detector loop.
  • the switching of the detector loop to one of the control panels is done by a controlled by the alarm center switching means.
  • a first preferred embodiment of the inventive hazard alarm system is characterized in that the switching through of the detector loop to one of the control panels takes place in a predetermined time grid.
  • the detector loop is turned on at least 50% of the time to the fire panel.
  • a second preferred embodiment of the hazard warning system according to the invention is characterized in that the hazard alarms are provided with devices which make it possible to keep parameters of signals on the detector loop at a value which is outside the range of values maintained in normal operation that additional devices are provided that check the said value, and that if this value deviates from the value expected during normal operation, a message is sent to the alarm center, enabling it to establish a connection to the hazard detectors and, where appropriate, other safety related detectors.
  • a further preferred embodiment is characterized in that said parameters of signals are formed on the detector loop by the voltage or the current, and in that said additional means are part of the switching means for switching the detector loop to one of the control panels.
  • a further preferred embodiment is characterized in that the alarm system is formed by a fire alarm system with a fire alarm panel and fire detectors connected to the detector loop or by a burglar alarm system with a burglar alarm panel and burglar alarms connected to the detector loop. Messages from fire detectors are preferably treated with priority and suppress the switching through the detector loop on the at least one other center.
  • the fire alarm system shown in the drawing generally represents a hazard alarm system with an alarm center and hazard detectors; it may therefore be a fire alarm system, a burglar alarm system or a gas detection system.
  • the illustrated fire alarm system comprises a fire alarm panel 1, a formed by a bus 2 Detector loop and a plurality of connected to the bus 2 fire detectors 3.
  • These fire alarms 3 are shown in the figure uniform. In reality, however, they may be detectors of different designs, but they all serve to detect fires and therefore have to comply with special safety requirements. In particular, the term fire detectors are also to be understood as manual call points. With lower demands on the transmission reliability, the detectors can also be connected only via a simple detector line.
  • the bus 2 is connected via switch 8 to the fire panel 1.
  • burglar alarms 4 a climate controller 5 and a device 6 for transmitting voice or music are also connected to the bus 2.
  • the device 6 can be used in particular for the announcement of messages used for the evacuation.
  • Other devices of the type different from the fire detectors 3 could be, for example, surveillance cameras or background music speakers (for example, in department stores and the like).
  • an additional center 7 is provided, to which the bus 2 can be switched through switch 8.
  • the additional center 7 can be quite similar to the fire panel 1.
  • the switches 8, which can also be simulated in software, can be actuated by the fire alarm panel 1 by means of a connection 9.
  • the fire panel 1 switches the bus 2 through the switch 8 during a certain part of the time, for example, half the time to by to operate the fire detector 3.
  • the bus 2 is switched through to the additional central station 7.
  • the actuation of the switches 8 and thus the switching between the two panels 1 and 7, for example, every 20 seconds or even every second take place.
  • the communication between fire alarm panel 1 and fire detectors 3 priority which means that upon receipt of an alarm from one of the fire detector 3, the bus 2 is switched to the fire panel 1 and the fire alarm is treated.
  • the treatment of the fire alarm can of course include the delivery of Evakuationsmeldonne on the device 6.
  • the safety-relevant detectors in particular the fire detectors 3 but also other detectors that have to meet special requirements, the possibility of electrical parameters of the signals on the detector line ( Bus 2) so that they can be easily and quickly detected.
  • a fire detector 3 load the detector line 2 so much that the voltage falls below a value corresponding to the normal operation.
  • this particular operating condition is detected and reported via the connection 9 of the fire panel 1.
  • the fire panel will then expediently interrupt the connection between the detector loop 2 via the switch 8 to the additional center 7 by the switch 8 are brought by means of the connection 9 in the idle state and the detector line 2 is connected to the fire panel 1.
  • the fire panel 1 can then record the connection with the fire detectors 3 with the appropriate communication protocols and thus receive the alarm message.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Alarm Systems (AREA)

Claims (12)

  1. Système de signalisation de danger comprenant une centrale d'alarme (1), une boucle de détecteurs (2), avec des détecteurs de danger (3) raccordés à cette boucle de détecteurs (2) et d'autres appareils (4-7), raccordés à cette boucle de détecteur (2) en supplément des détecteurs de danger (3), d'un autre type, une centrale (7) supplémentaire étant attribuée aux autres appareils (4-7) et la communication entre les détecteurs de danger (3) et la centrale d'alarme (1) et la communication entre les autres appareils (4-7) et la centrale (7) supplémentaire s'effectuant dans différentes fenêtres de temps, caractérisé en ce que la connexion de la boucle de détecteurs (2) à l'une des centrales (1, 7) s'effectue par un moyen de commutation commandé par la centrale d'alarme (1).
  2. Système de signalisation de danger selon la revendication 1, caractérisé en ce que la connexion de la boucle de détecteurs (2) à l'une des centrales (1, 7) s'effectue dans un cadre de temps prédéfini.
  3. Système de signalisation de danger selon la revendication 2, caractérisé en ce que des moyens sont prévus pour la connexion de la boucle de détecteurs (2) dans au moins 50 % du temps à la centrale d'alarme (1).
  4. Système de signalisation de danger selon l'une quelconque des revendications 1 à 3, caractérisé en ce que la boucle de détecteurs (2) est formée par un bus.
  5. Système de signalisation de danger selon l'une quelconque des revendications 2 à 4, caractérisé en ce que le moyen de commutation (8) est simulé dans le logiciel.
  6. Système de signalisation de danger selon l'une quelconque des revendications 1 à 5, caractérisé en ce que lesdits autres appareils d'un autre type comprennent un appareil ou plusieurs appareils du type de détecteurs d'effraction (4), de régulateurs de climatisation (5), d'appareils pour la transmission de parole ou de musique (6) et/ou de caméras de surveillance.
  7. Système de signalisation de danger selon la revendication 4, caractérisé en ce que les détecteurs de danger (3) communiquent avec la centrale d'alarme (1) et les autres appareils (4, 5, 6) avec l'au moins une autre centrale (7) avec le même protocole de bus.
  8. Système de signalisation de danger selon la revendication 4, caractérisé en ce que les détecteurs de danger (3) communiquent avec la centrale d'alarme (1) et les autres appareils (4, 5, 6) avec l'au moins une autre centrale (7) avec un protocole de bus différent.
  9. Système de signalisation de danger selon l'une quelconque des revendications 2 à 8, caractérisé en ce que les détecteurs de danger (3) sont dotés de dispositifs qui permettent de maintenir les paramètres de signaux sur la boucle de détecteurs (2) sur une valeur qui se situe en dehors de la plage de valeurs respectée en exploitation normale, en ce que des dispositifs supplémentaires sont prévus, lesquels contrôlent ladite valeur et en ce que, dans le cas d'un écart de cette valeur par rapport à la valeur à escompter en exploitation normale, un message est envoyé à la centrale d'alarme (1), par lequel cette centrale est à même d'établir une liaison avec les détecteurs de danger (3) et éventuellement d'autres détecteurs importants au niveau de la sécurité.
  10. Système de signalisation de danger selon la revendication 9, caractérisé en ce que lesdits paramètres de signaux sur la boucle de détecteurs (2) sont formés par la tension ou le courant et en ce que lesdits équipements supplémentaires font partie des moyens de commutation (8) pour la connexion de la boucle de détecteur (2) à l'une des centrales (1, 7).
  11. Système de signalisation de danger selon l'une quelconque des revendications 1 à 10, caractérisé en ce que le système de signalisation de danger est formé par une installation de détection d'incendie avec une centrale de détection d'incendie (1) et des détecteurs d'incendie (3) raccordés à la boucle de détecteurs (2) ou par une installation de détection d'effraction avec une centrale de détection d'effraction et des détecteurs d'effraction raccordés à la boucle de détecteur (2) .
  12. Système de signalisation de danger selon la revendication 11, caractérisé en ce que des moyens pour le traitement en priorité des messages de détecteurs d'incendie (3) sont prévus et pour la suppression de la connexion de la boucle de détecteurs (2) à l'au moins une autre centrale (7).
EP03028034.1A 2003-12-06 2003-12-06 Système de signalisation de danger Expired - Lifetime EP1538580B9 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
AT03028034T ATE424600T1 (de) 2003-12-06 2003-12-06 Gefahrenmeldeanlage
DE50311248T DE50311248D1 (de) 2003-12-06 2003-12-06 Gefahrenmeldeanlage
EP03028034.1A EP1538580B9 (fr) 2003-12-06 2003-12-06 Système de signalisation de danger

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP03028034.1A EP1538580B9 (fr) 2003-12-06 2003-12-06 Système de signalisation de danger

Publications (4)

Publication Number Publication Date
EP1538580A1 EP1538580A1 (fr) 2005-06-08
EP1538580B1 EP1538580B1 (fr) 2009-03-04
EP1538580B2 EP1538580B2 (fr) 2018-10-03
EP1538580B9 true EP1538580B9 (fr) 2019-05-15

Family

ID=34442973

Family Applications (1)

Application Number Title Priority Date Filing Date
EP03028034.1A Expired - Lifetime EP1538580B9 (fr) 2003-12-06 2003-12-06 Système de signalisation de danger

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EP (1) EP1538580B9 (fr)
AT (1) ATE424600T1 (fr)
DE (1) DE50311248D1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8280070B2 (en) * 2008-08-20 2012-10-02 Siemens Industry, Inc. Arrangement and method for communicating audio and DC signals
EP2911128A1 (fr) 2014-02-24 2015-08-26 Siemens Schweiz AG Système d'alarme de dangers

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1268079B1 (it) 1994-06-23 1997-02-20 Teknox Srl Procedimento per regolare l'accesso di piu' sistemi ad un bus, ad esempio per applicazioni nel settore della domotica, e relativi

Also Published As

Publication number Publication date
EP1538580A1 (fr) 2005-06-08
EP1538580B1 (fr) 2009-03-04
DE50311248D1 (de) 2009-04-16
ATE424600T1 (de) 2009-03-15
EP1538580B2 (fr) 2018-10-03

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