EP1246150B1 - Brandmeldeanlage - Google Patents

Brandmeldeanlage Download PDF

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Publication number
EP1246150B1
EP1246150B1 EP02005183A EP02005183A EP1246150B1 EP 1246150 B1 EP1246150 B1 EP 1246150B1 EP 02005183 A EP02005183 A EP 02005183A EP 02005183 A EP02005183 A EP 02005183A EP 1246150 B1 EP1246150 B1 EP 1246150B1
Authority
EP
European Patent Office
Prior art keywords
communication
signal
communication pathway
evaluation circuit
fire alarm
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
EP02005183A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP1246150A2 (de
EP1246150A3 (de
Inventor
Gerhard Röpke
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.)
Job Lizenz GmbH and Co KG
Original Assignee
Job Lizenz GmbH and Co 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
Application filed by Job Lizenz GmbH and Co KG filed Critical Job Lizenz GmbH and Co KG
Publication of EP1246150A2 publication Critical patent/EP1246150A2/de
Publication of EP1246150A3 publication Critical patent/EP1246150A3/de
Application granted granted Critical
Publication of EP1246150B1 publication Critical patent/EP1246150B1/de
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
    • 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
    • G08B25/10—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 wireless transmission systems
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B17/00—Fire alarms; Alarms responsive to explosion

Definitions

  • the invention relates to a fire alarm system according to claim 1.
  • Fire alarm systems usually have a large number of individual detectors, in different places of a building or complex to be secured arranged and connected to a central office.
  • the connection of the detectors with The control center is usually via a branch or ring line, the so-called Communication mode, i. the transmission type of signals from the detectors to the control center and vice versa on DC technology or on digital signal technology can be based.
  • the communication string is a data bus, via which digital data words are transmitted from the detectors to the control center and vice versa.
  • the digital transmission technology naturally has the advantage that a Variety of individual digital words can be transmitted. So in the case an alarm signal not only this, but also transmit the address of the detector. Furthermore, an interference signal can be transmitted.
  • the central office Communicate with the individual detectors.
  • the detectors of such systems are in the simplest case push button or sensor-related elements, possibly with their own “intelligence”.
  • DE 42 19 555 A1 is in connection with an installation device of Building system known, subscriber stations or control units to a connect serial bus system.
  • data is also known wirelessly be fed into the bus system, for example by means of infrared transmitter and associated Infrared receiver.
  • the wireless transmission can also be done by others Media done, for example by radio or ultrasound.
  • Receiver of several transmitters which may be stationary or mobile, driven.
  • the electrical system of each transmitter is usually from a battery supplied, depending on the frequency of their operation a longer or shorter life having.
  • EP 0 803 850 A1 it has also become known two groups of detectors, one wire-wound and the other over Radio communicates with the communication line.
  • the individual for radio equipped detectors are powered by a battery.
  • the relay means has a microprocessor, the received detector signals in corresponding converts digital signals.
  • relay means is designed to be compatible with the Communication mode exists on the bus. They are different Communication buses have become known, even for fire alarm systems.
  • the invention has for its object to provide a fire alarm system or an expansion option for existing fire alarm systems, in the case of simple and little expensive way additional detectors to conventional wired Fire alarm systems can be coupled.
  • connection modules which can be arranged either releasably in the relay means and over suitable connection elements with the signal evaluation circuit and the wired Communication strand are connectable.
  • the connection modules are on adjusted the communication mode of communication strand. Become to For example, transfer digital signals, the connection module communicates with the Central via digital signals that can be "understood" by the central office. On the other hand, is the communication string a DC transmission, then the connection module ensures that according to the known Technology via current reduction or increase a signal transmission to the control center is accomplished.
  • the fire alarm system can therefore be a uniform relay means be provided with a receiver for wireless signal reception from the detectors, a power supply and a signal evaluation circuit. Only the connection module is to be selected with regard to the communication mode and insert into the relay means. This way can be done with simple Means an existing fire alarm system can be changed or supplemented, regardless of which type of communication is present on the communication string.
  • connection modules via a plug-in connection with the signal evaluation circuit and possibly with the power connection and possibly connectable to the communication string.
  • the connection of the relay means with the communication string through a fixed wiring.
  • the connection module be provided a uniform connection possibility for the connection module be. This requires that the location of the terminals and the Dimension forth the connection modules are also constructed uniformly.
  • the communication string is a direct current line, in which an alarm signal of a detector evaluated by the central office Current increase on the line causes and the connection module a series connection consisting of a switch and a resistor between the Heads of the line is connected, wherein the connection module is designed so that the Switch is closed when the signal evaluation circuit, a control signal is produced.
  • the fire alarm system therefore acts the relay means like a push button fire detector connected to a DC field line is.
  • Such fire alarm systems are still in use many times. It's also older, equipped with sensor elements fire alarm systems known a communication also via a DC line by current reduction or increase in current to accomplish.
  • Push button fire detectors that work mechanically are being mass-produced produced. Many of these push button fire detectors contain contacts and will later with "line” or “communication modules” to adapt to certain Fire detection lines or buses retrofitted. This fact exploits the invention, in which for adaptation to mechanically operated push button fire alarms on DC field lines Line modules or fire alarm buses are used. In the relay means, therefore, such a line module is used, then that Communication of wireless detectors used with the communication line becomes.
  • the module receives an interference signal from a wireless detector, which then goes to the control center is transmitted.
  • the communication line is a data bus.
  • the Connection module the signals received from the evaluation circuit to the communication mode the data bus converts adapted digital data words.
  • the Connection module is composed of two stages, the first of which with the Signal evaluation circuit is connected and a number of normally open Has switches, each associated with one of the decentralized second detector are and which are separately connected to the second stage and of which the second Stage is connected to the communication line designed as a data bus and when closing a switch, a digital signal on the communication string generated.
  • This embodiment makes use of the fact that components in the sense of second stage in connection with push-button fire detection systems are known. she allows the communication of a pushbutton fire alarm system via a data bus with a central office.
  • the embodiment according to the invention are in the first Stage analogous to push button fire detectors switch provided that will be closed when a second detector wirelessly sends an alarm signal.
  • the arrangement of Switch is such that each switch corresponds to a detector and therefore it is possible to identify the detector via the switch, which generates an alarm signal Has.
  • an interference signal message can be Verify by in the second stage a normally closed Switch is provided, which in reporting an interference signal from the evaluation circuit is opened. In this case, however, it is not possible to emit the interfering signal Identify detector.
  • connection options are available for pure pushbutton fire detection lines or buses available. It may be that a fire alarm system with regard to the capacity of the headquarters, d. H. the number of detectors or line is exhausted. Therefore, another communication strand with the head office get connected. Instead of using z. B. push button fire alarms
  • wireless detectors or wireless detectors are used, which then over Relay means communicate with the other communication line. Thereby can with remote from the surveillance area headquarters radio detectors with limited range are used.
  • radio detectors with limited range are used.
  • a fire detector 1 is shown, which via radio with an existing Fire alarm system can communicate.
  • the detector contains one or more Sensors that respond to fire characteristics.
  • a monitoring circuit 3 is provided, which monitors the sensor 2 and a battery 4, which supplies the sensor 2 and the evaluation circuit 3.
  • an RF transmitter 5 provided. Is emitted by the sensor 2, a signal that is due to the emergence or indicates the presence of a fire, it will be in the evaluation circuit 3 evaluated. Due to its control by the circuit 3 are the transmitter 5 an alarm signal to a relay station (not shown), which in turn is connected to a communication line, not shown, to the central office leads. A group of other fire detectors not shown is wired to the Communication strand connected.
  • a relay station 10 is shown schematically. It has a receiver 15 for the radio signal coming from the transmitter of a detector and a monitoring and Signalauswertesciens 13 for the radio signal.
  • a power supply 16 supplies the receiver 15 and the evaluation circuit and also Connection module 14, which will be described below.
  • the power supply 16 can be done either via a network or via a battery.
  • One from the Receiver 15 received alarm signal is processed in the evaluation circuit 13 and given to the connection module.
  • a DC line is connected to the not shown center of the fire alarm system connected and has two conductors. With the conductors of the DC line is a Series connection of a resistor R1 and a switch K1 connected. Of the Switch K1 is normally open. Another series connection of one Resistor R2 and a switch K2 is in the course of one of the two conductors. Of the Switch K2 is normally closed.
  • the direct current line is a plurality of fire detectors, not shown, wired coupled.
  • the relay station 10 can be a variety of wireless Detectors are coupled, the connection via radio with the relay station 10th produce. If one of the detectors, not shown, responds and sends an alarm signal, which is transmitted via the radio link to the relay station 10, causes the Monitoring circuit 13, a closing of the switch K1. This in turn causes a power increase, and the headquarters notes that in the field of wirelessly communicating Fire alarm is a fire. An identification of that Alarm signal emitting detector is not possible.
  • connection module 14 is a self-contained module that corresponds to the in Fig. 2 components shown releasably connectable, for example by suitable Connectors. It can therefore be replaced by another module, e.g. by one as shown in Fig. 3.
  • the connection module 21 has taken the place of the connection module 14, because a connection to produce a data bus 17 is.
  • the data bus allows in a known manner the communication of the control center with the wire-connected detectors on the one hand and with the relay station 20 via digital data words on the other hand. It goes without saying that this communication can also be bidirectional, if each transmitter and Receiver are provided in the radio detectors and the relay station 20.
  • connections between the data bus 12 and the structure the relay station 20 may be a fixed wire connection with connection possibility within the box 18 shown in Fig. 2 or Fig. 3, which is e.g. one Housing for the components can represent.
  • box 18 e.g. plug contacts or easily detachable contacts provided for connection to the respective connection module, here so either connection module 14 or Terminal module 21.
  • connection module 14 e.g. plug contacts or easily detachable contacts provided for connection to the respective connection module, here so either connection module 14 or Terminal module 21.
  • connection module 21 is designed so that it from the evaluation circuit 13th converts incoming signal into a suitable data word so that it is above the Data bus 17 can be transferred to the control center. Accordingly, a Fault be transmitted, which is also possible for the control center, the detector identify from which a signal originated. It is understood that among the above conditions the communication also takes place in the opposite direction The central office can therefore query the individual detectors for their condition.
  • Fig. 4 three wireless detectors 1A, 1B and 1C are shown. You can connect via radio the relay station 20a transmit signals.
  • the relay station 20a has a turn Receiver 15, an evaluation circuit 13 and a power supply 16, comparable that of the relay stations 10 and 20.
  • a module 22 is provided, the three switches K1A, K1B and K1C, each in series with an unnamed resistor.
  • the leading to the switches lines are led out of the housing 18 and may e.g. via suitable plug connections galvanically with a stage 30 which is designed to be responsive to one of said Switches into a suitable data word for the data bus 17 is converted.
  • the switches K1A to K1C are assigned to detectors 1A to 1C, i. if e.g. the detector 1B emits an alarm signal, the switch K1B closes. Since the switches K1A to K1C are assigned accordingly in the stage 30, contains the data word, which in the Stage 30 for the data bus 17 is formed, an information that it Switch K1B was closed, and thus the information that detector 1B has sent an alarm signal.
  • Another switch K5 in series with an unnamed resistor is also connected to the stage 30, and the stage 30 creates a Fault corresponding data word with address for the bus 17, if one of the Detector 1A to 1C, an interference signal is sent to the relay station 20a.

Landscapes

  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Alarm Systems (AREA)
  • Fire Alarms (AREA)
EP02005183A 2001-03-30 2002-03-08 Brandmeldeanlage Expired - Lifetime EP1246150B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE20105653U DE20105653U1 (de) 2001-03-30 2001-03-30 Brandmeldeanlage
DE20105653U 2001-03-30

Publications (3)

Publication Number Publication Date
EP1246150A2 EP1246150A2 (de) 2002-10-02
EP1246150A3 EP1246150A3 (de) 2003-05-28
EP1246150B1 true EP1246150B1 (de) 2005-04-13

Family

ID=7955148

Family Applications (1)

Application Number Title Priority Date Filing Date
EP02005183A Expired - Lifetime EP1246150B1 (de) 2001-03-30 2002-03-08 Brandmeldeanlage

Country Status (5)

Country Link
US (1) US6727815B2 (zh)
EP (1) EP1246150B1 (zh)
CN (1) CN1214353C (zh)
AT (1) ATE293271T1 (zh)
DE (2) DE20105653U1 (zh)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ATE461507T1 (de) * 2004-10-18 2010-04-15 Kidde Portable Equipment Inc Gateway-einrichtung zur verbindung eines systems mit live-safety-einrichtungen
US7429921B2 (en) * 2005-10-27 2008-09-30 Viking Electronic Service Llc Communication system for a fire alarm or security system
US9505191B2 (en) 2005-12-13 2016-11-29 Delta Industrial Services, Inc. Reciprocating sealer for web converters
US8477042B2 (en) * 2008-02-08 2013-07-02 Siemens Industry, Inc. Apparatus for signaling different notification appliance circuit configurations
DE102008058127A1 (de) * 2008-11-20 2010-06-02 Si-Tech Gmbh Brandmeldeanlage im Objektschutz
US8558706B1 (en) 2010-06-08 2013-10-15 Jaime Yoder Wireless alarm intercom system
KR101399025B1 (ko) * 2014-02-13 2014-05-30 비아이산업(주) 양방향 통신 기능을 갖는 위험 구역내 설치용 화재 및 가스 감지 시스템
DE102014225297B4 (de) * 2014-12-09 2017-11-09 Geze Gmbh Feststellanlage
CN104835299A (zh) * 2015-04-23 2015-08-12 台州建筑安装工程公司 在建房屋防火系统、安装策略和控制策略
JP7081997B2 (ja) * 2018-06-29 2022-06-07 能美防災株式会社 伝送距離延長システム及び火災報知設備

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4040013A (en) * 1973-03-13 1977-08-02 North American Philips Corporation Citizens alarm system
US4087803A (en) * 1976-01-27 1978-05-02 Vincent Dransfield Fire box alarm
US4141007A (en) * 1977-04-22 1979-02-20 Kavasilios Michael A Central alarm conditioning detecting and alerting system
US4118694A (en) * 1977-04-29 1978-10-03 General Signal Corporation Base loop code transmitter
DE4219555A1 (de) * 1991-06-28 1993-01-07 Siemens Ag Installationseinrichtung der gebaeudesystemtechnik
ES2199310T3 (es) * 1996-04-22 2004-02-16 Siemens Building Technologies Ag Sistema de alarma de incendios.

Also Published As

Publication number Publication date
CN1214353C (zh) 2005-08-10
DE50202758D1 (de) 2005-05-19
EP1246150A2 (de) 2002-10-02
CN1383105A (zh) 2002-12-04
EP1246150A3 (de) 2003-05-28
US20020145513A1 (en) 2002-10-10
ATE293271T1 (de) 2005-04-15
US6727815B2 (en) 2004-04-27
DE20105653U1 (de) 2001-05-31

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