EP2911128A1 - Système d'alarme de dangers - Google Patents

Système d'alarme de dangers Download PDF

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Publication number
EP2911128A1
EP2911128A1 EP14156319.7A EP14156319A EP2911128A1 EP 2911128 A1 EP2911128 A1 EP 2911128A1 EP 14156319 A EP14156319 A EP 14156319A EP 2911128 A1 EP2911128 A1 EP 2911128A1
Authority
EP
European Patent Office
Prior art keywords
hazard
detector
bus
alarm
fire
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.)
Withdrawn
Application number
EP14156319.7A
Other languages
German (de)
English (en)
Inventor
Christian Spagno
Martin Zimmermann
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
Application filed by Siemens Schweiz AG filed Critical Siemens Schweiz AG
Priority to EP14156319.7A priority Critical patent/EP2911128A1/fr
Publication of EP2911128A1 publication Critical patent/EP2911128A1/fr
Withdrawn legal-status Critical Current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 disclosure relates to hazard detection systems, in particular fire alarm systems, buildings and sensors in the broadest sense.
  • the focus of this application is on the power supply and on the communication within such systems.
  • a plurality of spatially distributed sensors are usually used.
  • the sensors are separated according to their function for safety or for fire detection according to relevant standards (EN54-xx, LPCB, UL, FM, etc). Further sensors are used for room automation. It deals with the control of comfort functions such as heating, cooling, ventilation, light and blinds.
  • the separation of sensors according to their function is particularly pronounced in highly normatively regulated markets. Mainly the normative regulation refers to special requirements like reliability and emergency operation.
  • Radio networks are an approach to linking systems for fire detection and those for comfort functions. Such systems are increasingly being propagated to the market for both fire detectors and comfort alarms.
  • a detector receives the energy for its operation from its environment.
  • energy is converted into electrical energy, for example via solar cells or else via resonant circuits in the device.
  • electrical energy for example via solar cells or else via resonant circuits in the device.
  • the amounts of energy that can be obtained for the operation of a device are usually sufficient only for the sporadic Radio transmission of very small amounts of data.
  • solar cells are often unpopular on the surface of a detector for aesthetic reasons.
  • the registration EP1538580A1 discloses a fire alarm system with a fire alarm loop 2 and hazard detectors 3. To the fire alarm loop 2 more devices 4 - 7 are attached to another type, which are not fire or danger alarm. The hazard detector 3 and the other devices 4 - 7 communicate via the same reporting loop 2. EP1538580A1 discloses and claims various approaches according to which a plurality of different devices 3 - 7 can reliably communicate via one and the same signaling loop.
  • the aim of the present disclosure is at least partially overcome the aforementioned difficulties. It should be shown ways to communicate between detectors and their energy supply, which meet the above requirements.
  • the present disclosure is based on the object to provide a combination of a fire alarm system and a second system, which is particularly reliable in relation to the fire alarm system and allows the spatial integration of both systems in one device.
  • the second system is not a fire alarm system.
  • the present disclosure is also based on the object to use individual sensors for both systems simultaneously and thus to save on development costs and costs.
  • the present disclosure is further based on the object to use the most central placement of fire detectors on the ceiling for other functions.
  • the aforementioned combination of systems employs a fire alarm bus for powering devices or multi-sensors of a non-fire alarm system.
  • the primary purpose of those devices and multisensors of the second system is not fire detection.
  • the aforementioned combination of systems employs a fire signaling bus for powering communication modules of the non-fire alarm system.
  • the communication modules are suitable for transmitting sensor values to a room automation system.
  • the aforementioned combination of systems employs a fire signaling bus for powering communication modules of the non-fire alarm system.
  • the communication modules of the non-fire alarm system are suitable to communicate via a bus, which is not the fire alarm bus.
  • the term bus also includes point-to-point connections.
  • the bus of the non-fire alarm system is based on radio transmission and / or on a wired solution.
  • FIG. 1 shows schematically several (two) fire detectors 1a, 1b, which are connected to each other via a fire alarm bus 2.
  • the fire alarm bus 2 is a power supply line and, as such, supplies the fire detectors 1a, 1b with (electric) power.
  • the fire alarm bus preferably comprises at least two (parallel) electrical conductors in order to provide a forward and return path in the circuit. This makes it possible to close the circuit between the units 1a, 1b.
  • the fire alarm bus 2 also allows communication between the fire detectors 1a, 1b and beyond the fire panel 3 out.
  • Fire alarm bus 2 is technically designed for maximum reliability of power supply and communication. The requirement of maximum reliability is in conflict with a broadband communication between the units 1a, 1b, 3. Therefore, the communication via the fire panel 2 is usually narrowband.
  • a combination detector 4 ie a fire detector with integrated comfort detector, is connected to the fire alarm bus 2.
  • the combination detector 4 is composed of a primary system for fire detection and of the secondary system, which does not serve primarily fire detection built.
  • the combination detector 4 is on the fire alarm bus 2 with energy supplied to its 4 operation.
  • the power supply of the combination detector 4 by the fire alarm bus is designed so that it does not affect the communication between the fire detectors 1a, 1b and the panel 3.
  • the secondary system of the combination detector 4 is placed in a power-saving mode without communication, while individual fire detectors 1a, 1b indicate a danger or disturbance.
  • the detection of danger messages can be effected, for example, by the fact that the combination detector registers the communication signals of the fire detectors 1a, 1b and the fire alarm panel 3.
  • the combination detector 4 then remains in the energy-saving mode at least as long as communication signals are registered along the fire alarm bus 2.
  • the combination detector 4 remains in the energy saving mode for a predetermined period of time after the registration of the last communication signal via the fire alarm bus 2.
  • the predetermined period typically takes values between one second and ten minutes.
  • the combination detector 4 measures, for example, temperatures, light intensities and / or atmospheric humidity and / or air quality in the form of a concentration of carbon dioxide (this list makes no claim to completeness).
  • the corresponding data are then transmitted to a room automation system 5.
  • the comfort bus 6 operates preferably radio-based. However, there are also wired embodiments for the comfort bus 6 into consideration.
  • the comfort bus 6 is not subject to the same stringent reliability criteria as the fire alarm bus. Therefore, the comfort bus 6 may well be a broadband bus suitable for real-time transmission of audio and video data.
  • Wireless solutions for comfortable coach 6 are, for example, Wi-Fi or Bluetooth ®, KNX ® RF, Enocean ®.
  • Wired solutions for the comfort bus 6 are, for example, Ethernet cables or KNX cables.
  • combination detectors communicate with each other via the comfort bus 6 and / or with a room automation system.
  • individual combination detectors or even all combination detectors can be supplied with energy via the fire alarm bus 2.
  • Each individual combination detector is supplied with energy via the fire alarm bus 2 in such a way that its reliability with regard to energy supply and communication is not impaired.
  • This technical requirement limits in particular the power consumption of each individual combination detector and in particular in the event of a power supply fault.
  • the comfort detector has a detection of this fault in order to reduce its energy consumption to a minimum value. As a result, the emergency power supply for the fire alarm system is no longer significantly affected. It also sets limits with regard to limiting the bandwidth of the fire alarm bus and with regard to interference signals coupled into the fire alarm bus.
  • FIG. 2 shows an embodiment in which a comfort bus 6a supplies a fire detector 1c with energy.
  • a comfort bus 6a supplies a fire detector 1c with energy.
  • the comfort bus 6a off FIG. 2 supplied in addition to the fire detector 1c and the combination detector 4a, 4b with energy.
  • the requirements for reliability of the power supply and / or communication are less stringent than for the fire alarm bus 2.
  • the comfort bus 6a off FIG. 2 For example, Power over Ethernet and KNX cables are an option.
  • the fire detector 1c is nevertheless preferably dimensioned so that it does not affect the function of the comfort bus 6a.
  • the fire detector 1c preferably can not be disturbed by the comfort bus.
  • the fire detector 1c is preferably dimensioned such that it regards power consumption as interrupting the power supply through the comfort bus 6a for the normatively regulated duration can bridge. The same applies to any number of other fire detectors 1d, 1e, etc., which may also be attached to the same comfort bus 6a.
  • the fire detectors 1c, 1d, 1e have (rechargeable) batteries or capacitors. These allow the bridging of a power failure on the comfort bus 6a. Thus, the requirements for the reliability of the fire detectors 1c, 1d, 1e are covered.
  • the fire detector 1c communicates with the panel 3a via the fire panel 2a. Any further fire detectors 1d, 1e can communicate with the panel 3a or with one another via the same fire alarm bus 2a or via separate buses.
  • the communication takes place wirelessly via the fire alarm bus 2a. It is suitable, among others, in connection with FIG. 1 indicated wireless communication means.
  • the proprietary protocol SWING is suitable for communication via the fire alarm bus 2a.
  • individual or all fire detectors 1 c, 1 d, 1 e additionally assume the function of a router or repeater. Particularly relevant is the repeater function within large buildings with or without massive partitions. The repeater function of individual fire detectors 1 c, 1 d, 1 e then helps in the realization of a fire alarm bus 2 a with a large spatial extent and / or with expansion through individual walls.
  • the fire alarm bus 2a is present both wirelessly and by wire.
  • the fire detectors 1c, 1d which are shielded from each other by a solid partition wall communicate with each other by means of a wired bus between the detectors 1c, 1d.
  • the rest of the network of fire detectors 1c, 1d, 1e continues to communicate wirelessly.
  • the power supply of one of the devices 1a, 1b, 1c, 1d, 1e, 3, 4, 4a, 4b, 5 is supported by a (rechargeable) battery or a capacitor.
  • the power supply of at least one device 1a, 1b, 1c, 1d, 1e, 3, 4, 4a, 4b, 5 is based solely on a (rechargeable) battery or a capacitor and there is no external wiring for the power supply.
  • one or more fire detectors 1a, 1b, 1c, 1d, 1e may be replaced by other security-related signaling devices, generally by hazard detectors. These include burglar detectors, gas alarms, visual and / or audible alarms, and / or flood detectors. Furthermore, the aforementioned fire alarm buses 2, 2a can be replaced by any other safety-related buses.
  • Another preferred embodiment is a hazard alarm system, wherein the power supply is wireless by means of battery or energy harvesting.
  • the combination detector is preferably adapted to communicate wirelessly with the fire alarm system and / or to communicate wirelessly with the room and / or building automation system.
  • individual fire detectors, combination detectors and / or comfort devices are supplied with energy both via the comfort bus and via the fire alarm bus.
  • the combination detector preferably uses identical and / or different hardware subsystems for the wireless communication.
  • the combination detector is suitable to use the same or different radio protocols for the wirelessly connected systems.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Alarm Systems (AREA)
  • Fire Alarms (AREA)
EP14156319.7A 2014-02-24 2014-02-24 Système d'alarme de dangers Withdrawn EP2911128A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP14156319.7A EP2911128A1 (fr) 2014-02-24 2014-02-24 Système d'alarme de dangers

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP14156319.7A EP2911128A1 (fr) 2014-02-24 2014-02-24 Système d'alarme de dangers

Publications (1)

Publication Number Publication Date
EP2911128A1 true EP2911128A1 (fr) 2015-08-26

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Family Applications (1)

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EP14156319.7A Withdrawn EP2911128A1 (fr) 2014-02-24 2014-02-24 Système d'alarme de dangers

Country Status (1)

Country Link
EP (1) EP2911128A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3349197A1 (fr) * 2017-01-13 2018-07-18 Siemens Schweiz AG Module d'extraction d'énergie
US11875667B2 (en) 2021-04-05 2024-01-16 Carrier Corporation Fire system with current response calibration

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20040176877A1 (en) * 2003-03-05 2004-09-09 Scott Hesse Building automation system and method
EP1538580A1 (fr) 2003-12-06 2005-06-08 Siemens Building Technologies AG Système de signalisation de danger

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20040176877A1 (en) * 2003-03-05 2004-09-09 Scott Hesse Building automation system and method
EP1538580A1 (fr) 2003-12-06 2005-06-08 Siemens Building Technologies AG Système de signalisation de danger

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
CHEN YUEPING ET AL: "Design and Realization of Fire Alarm System Based on CAN Bus", ELECTRONIC MEASUREMENT AND INSTRUMENTS, 2007. ICEMI '07. 8TH INTE RNATIONAL CONFERENCE ON, IEEE, PI, 31 December 2007 (2007-12-31) - 31 December 2007 (2007-12-31), pages 1 - 832, XP031148117, ISBN: 978-1-4244-1135-1 *
YANJIE YANG ET AL: "The Design and Research of Intelligent Interface System", INTELLIGENT SYSTEMS AND APPLICATIONS, 2009. ISA 2009. INTERNATIONAL WORKSHOP ON, IEEE, PISCATAWAY, NJ, USA, 23 May 2009 (2009-05-23), pages 1 - 5, XP031474164, ISBN: 978-1-4244-3893-8 *

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3349197A1 (fr) * 2017-01-13 2018-07-18 Siemens Schweiz AG Module d'extraction d'énergie
US11875667B2 (en) 2021-04-05 2024-01-16 Carrier Corporation Fire system with current response calibration

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