EP0811959A1 - Système d'alarme commandé par radio avec sous-stations et transmission sûr de données - Google Patents

Système d'alarme commandé par radio avec sous-stations et transmission sûr de données Download PDF

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Publication number
EP0811959A1
EP0811959A1 EP97109071A EP97109071A EP0811959A1 EP 0811959 A1 EP0811959 A1 EP 0811959A1 EP 97109071 A EP97109071 A EP 97109071A EP 97109071 A EP97109071 A EP 97109071A EP 0811959 A1 EP0811959 A1 EP 0811959A1
Authority
EP
European Patent Office
Prior art keywords
sub
radio
center
alarm system
centers
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.)
Granted
Application number
EP97109071A
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German (de)
English (en)
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EP0811959B1 (fr
Inventor
Horst Fischer
Helmut Zeissler
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.)
Grundig Multimedia BV
Original Assignee
Grundig 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 Grundig AG filed Critical Grundig AG
Publication of EP0811959A1 publication Critical patent/EP0811959A1/fr
Application granted granted Critical
Publication of EP0811959B1 publication Critical patent/EP0811959B1/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
    • 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
    • G08B25/009—Signalling of the alarm condition to a substation whose identity is signalled to a central station, e.g. relaying alarm signals in order to extend communication range
    • 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

Definitions

  • the invention relates to a radio-controlled hazard alarm system, in particular fire alarm, intrusion alarm, emergency call, paging or alarm system, with at least one detector or signaling unit, at least one sub-control center and a control center.
  • a detector or a signaling unit consists of a transmitter, a receiver, a microprocessor system and a sensor.
  • a sub-center consists of a transmitter, a receiver and a microprocessor system.
  • the control center consists of a transmitter, a receiver and a microcomputer system.
  • hazard detection systems which, as a rule, consist of a control center which contains a receiver and a number of detectors and / or switching devices, each of which has a transmitter.
  • a paging system which usually consists of a transmitter and a number of mobile receivers, each of which is carried by the person to be visited.
  • a disadvantage of such radio-controlled systems is that they have only a limited range.
  • the range depends on the transmission power of the radio transmitter, the selectivity of the radio receiver and the nature of the transmission path.
  • the transmission power of the radio transmitter, as well as the selectivity of the radio receiver represent technical parameters that are specified by the system itself.
  • the nature the transmission path depends on the plant location. Due to the location and the structural conditions of the plant location, shielding effects or other disruptions sometimes occur, which disrupt or even block the transmission path between transmitter and receiver.
  • the system is partially wired both on the transmitter side and on the receiver side. ie the transmitters and receivers are installed in those places where mutual communication is possible.
  • this partial wiring does not correspond to the objective of radio-controlled systems, since it is precisely in these systems that complex and time-consuming wiring is to be eliminated.
  • a partially wired system loses its mobility, which is precisely what is desired in such radio-controlled systems.
  • the problem with hazard detection systems is particularly the guarantee of secure data communication between the individual components of the system.
  • the object of the invention is to circumvent this problem and to ensure that there is always a good connection between the individual components of the system.
  • each component of the system is equipped with the ability to communicate bidirectionally on different channels, which can also be on different frequency bands, ie each component of the system is with both a transmitter and a receiver fitted. Every new sub-control center and all detectors are only registered with the control center. The control center then assigns each newly added component an identification number and communicates this to all other components.
  • the sub-centers are installed in such a way that permanent radio communication is guaranteed between them. Since this results in an increased communication volume, it is advantageous if all sub-centers have their own network connection. So many sub-control centers must be installed that each detector has secure communication with at least one sub-control center. After commissioning the system, all sub-centers synchronize with the main center.
  • the control center manages these tables and coordinates which sub-control centers based on these tables on which preferred radio channels communicate with each other. If a detector is to send an alarm message, it proceeds as follows: First, it carries out an RSSI scan to determine a free channel. He then issues his message and waits for the sub-center to confirm that he has received the message.
  • the sub-center finds the message from the detector, since it continuously carries out an RSSI scan. It forwards the message to another sub-control center or to the control center directly.
  • the messages from the detectors are only evaluated and appropriate measures initiated at the control center.
  • the detectors and sub-control panels can be arranged so that each detector can communicate with at least two sub-control panels. This redundancy compensates for a possible failure of a sub-control center.
  • the transmission security can be further increased by checking the quality of the transmission by initiating a loopback mode, that is to say that the modules which communicate with one another send the data which they have received back to the transmitter. The latter can then determine whether transmission errors have occurred.
  • a loopback mode that is to say that the modules which communicate with one another send the data which they have received back to the transmitter. The latter can then determine whether transmission errors have occurred.
  • the detectors listen to the sub-control centers at longer intervals in order to receive a request to report presence. In this way, the function of the detectors can be restricted.
  • these parts of the system send the hazard alarm system only with reduced transmission energy.
  • a system component for example a sub-control center, detects a jamming transmitter during an RSSI scan, which can result in falsification or even blocking of the bidirectional radio communication for the hazard alarm system, then the system component communicates this fact to the control center.
  • the control center now instructs all system parts to switch to a higher transmission power. This reduces the distortion of the received signal.
  • the command to increase the transmission power is generated by the part of the system which has discovered the jammer. In this case, the response time is further reduced.
  • the part of the system that has discovered the jammer will now check at regular intervals whether the jammer is still present. If he determines that the jammer is no longer active, he informs the central office of this fact, which now instructs all system parts to switch back to the reduced transmission energy. This instruction can in turn also be generated by the plant part that has recognized the jammer and is monitoring it. This ensures that the service life of the voltage sources of self-supplied system parts is increased, since these parts often only work with reduced transmission energy. At the same time, an increase in data security is also guaranteed since, in the event of a jamming transmitter, the system switches to a higher transmission power. In this way, increased transmission security is achieved, since the distortion of the radio signals of the alarm system by the jammer is reduced.
  • FIG. 1 shows a radio-controlled hazard alarm system according to the invention, which consists, for example, of seven detectors, designated with the numbers 1 to 7, four sub-centers, designated with the numbers 8 to 11, and a control center 12.
  • Each of the four sub-control panels is attached in such a way that each of the seven detectors is in bidirectional radio communication with at least one sub-control panel.
  • the sub-centers are installed in such a way that each sub-center is at least in bidirectional radio communication with another sub-center.
  • the sub-centers 8 and 10 are not in direct radio communication with the center 12. Only the sub-center 9 and the sub-center 11 have a bidirectional radio connection with this.
  • the sub-control center 8 can optionally transmit a message to the control center 12 via the sub-control center 9 or the sub-control center 11, with which it has a bidirectional radio connection.
  • a nationwide network consisting of a control center and any number of detectors and sub-control centers can be set up. It is only necessary to ensure that each detector has at least one sub-center bidirectional radio connection.
  • the sub-center on the other hand, it must have a bidirectional radio connection at least with another sub-control center. If, for example, the detector 7 issues an alarm message, this is received by the sub-control center 8.
  • Sub-control center 8 now sends the acknowledgment of receipt back to detector 7. This recognizes that his message has been received.
  • the sub-control center 8 can now not send the alarm message from the detector 7 directly to the control center 12, since there is no bidirectional radio connection with it.
  • Sub-control center 8 can now optionally forward the alarm message from detector 7 to another sub-control center.
  • FIG. 1 there is a choice between sub-center 9 and sub-center 11, since there is a bidirectional radio connection with these two sub-centers.
  • Sub-control center 8 will now select the best channel from its RSSI table and then send the alarm message to the sub-control center previously defined by control center 12. This is, for example, sub-control center 11. This, in turn, now sends confirmation of receipt of the alarm message back to sub-control center 8. This recognizes that the sub-center 11 has received the message.
  • the sub-control center 11 in turn now takes a suitable channel for the radio connection to the control center 12 from its RSSI table, to which it has a bidirectional radio connection, and sends the alarm message of the detector 7 to the control center 12 via the determined channel. This confirms the reception the message, evaluates the message and initiates appropriate measures.
  • Figure 2 shows the structure of a detector. This consists of a sensor 2, for example a motion detector or a smoking detector, a transmitter 4, a receiver 3 and a microprocessor system 1, which evaluates the sensor data and detects an alarm. In addition, the microprocessor system 1 controls the communication between the detector and the sub-control center.
  • FIG. 3 shows the structure of a sub-center. This consists of a microprocessor system 1, a transmitter 4 and a receiver 3.
  • the microprocessor system 1 manages the RSSI table 2 and scans the radio frequency range in which the communication between the individual components of the system takes place at regular intervals and updates the RSSI table 2 after each scan.
  • Figure 4 shows the structure of the center. It consists of a transmitter 3, a receiver 2 and a microcomputer system 1.
  • the control center also manages the RSSI tables of all sub-control centers and coordinates the communication between the individual components of the system. It evaluates the alarm messages.
  • the microcomputer system can be equipped with various software. It is also expandable in terms of its capacity.

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  • 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)
  • Selective Calling Equipment (AREA)
  • Mobile Radio Communication Systems (AREA)
EP97109071A 1996-06-07 1997-06-05 Système d'alarme commandé par radio avec sous-stations et transmission sûr de données Expired - Lifetime EP0811959B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19622880A DE19622880A1 (de) 1996-06-07 1996-06-07 Funkgesteuerte Gefahrenmeldeanlage mit unterzentralen und sicherer Datenkommunikation zwischen den einzelnen Komponenten
DE19622880 1996-06-07

Publications (2)

Publication Number Publication Date
EP0811959A1 true EP0811959A1 (fr) 1997-12-10
EP0811959B1 EP0811959B1 (fr) 2001-11-28

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EP97109071A Expired - Lifetime EP0811959B1 (fr) 1996-06-07 1997-06-05 Système d'alarme commandé par radio avec sous-stations et transmission sûr de données

Country Status (4)

Country Link
EP (1) EP0811959B1 (fr)
AT (1) ATE209807T1 (fr)
DE (2) DE19622880A1 (fr)
ES (1) ES2169290T3 (fr)

Cited By (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1998040860A1 (fr) * 1997-03-12 1998-09-17 Siemens Aktiengesellschaft Procede et dispositif pour relier des unites fonctionnelles d'un systeme de signalisation
NL1008011C2 (nl) * 1998-01-12 1999-08-06 Hillson B V Draadloze brandbeveiligingsinrichting.
FR2787905A1 (fr) * 1998-12-23 2000-06-30 Cedi Securite Installation de communication asynchrone multifrequence
EP1204083A1 (fr) * 2000-11-06 2002-05-08 Atral Dispositif et procédé de surveillance et/ou d'alarme multi-fréquences
EP1244082A1 (fr) * 2001-03-23 2002-09-25 Siemens Gebäudesicherheit GmbH & Co. OHG Procede de communication radio dans un systeme d'alarme
EP1244081A1 (fr) * 2001-03-23 2002-09-25 Siemens Gebäudesicherheit GmbH & Co. OHG Procede de communication radio dans un systeme d'alarme
WO2002086837A1 (fr) * 2001-04-23 2002-10-31 Cardionet, Inc. Communication bidirectionnelle entre une unite de capteur et une unite de moniteur permettant de surveiller d'un patient
WO2003058569A1 (fr) * 2002-01-07 2003-07-17 Micro-Mel Deutschland Gmbh Procede de securisation et de gestion d'objets mobiles, et systeme y relatif
EP1282095A3 (fr) * 2001-08-03 2003-10-15 Siemens Gebäudesicherheit GmbH & Co. OHG Procédé de communication radio dans un système d'alarme
FR2839593A1 (fr) * 2002-05-07 2003-11-14 Radio Systemes Ingenierie Procede de communication radiofrequence entre plusieurs dispositifs et systeme de surveillance mettant en oeuvre un tel procede
EP1469437A2 (fr) * 2003-04-16 2004-10-20 Siemens Aktiengesellschaft Méthode de transmission radio dans un système de signalisation de danger
EP1477951A2 (fr) * 2003-05-12 2004-11-17 Siemens Aktiengesellschaft Méthode et appareil de surveillance du fonctionnement des voies de transmission radio dans un système de signalisation d'alarmes
EP1630760A1 (fr) * 2004-08-11 2006-03-01 Siemens Aktiengesellschaft Procédé de transmission radio dans un système de signalisation d'alarmes
WO2006067826A1 (fr) * 2004-12-23 2006-06-29 Matrix Srl Systeme de detection d'emplacement pour personnes, animaux et objets
US7295127B2 (en) 2003-09-12 2007-11-13 Simplexgrinnell Lp National security warning system integrated with building fire alarm notification system
EP1903523A1 (fr) * 2006-09-21 2008-03-26 E.I. Technology Limited Systèmes d'alarme
US7463145B2 (en) 2005-09-22 2008-12-09 Rsi Video Technologies, Inc. Security monitoring arrangement and method using a common field of view
US7835343B1 (en) 2006-03-24 2010-11-16 Rsi Video Technologies, Inc. Calculating transmission anticipation time using dwell and blank time in spread spectrum communications for security systems
US8081073B2 (en) 2005-09-22 2011-12-20 Rsi Video Technologies, Inc. Integrated motion-image monitoring device with solar capacity
EP2416300A1 (fr) * 2009-04-02 2012-02-08 Hochiki Corporation N ud sans fil de prévention de sinistre, et système sans fil de prévention de sinistre
ITMI20101634A1 (it) * 2010-09-09 2012-03-10 Carlo Amendola Sistema di antifurto e metodo di monitoraggio, in multifrequenza, di oggetti mobili ed immobili
US8155105B2 (en) 2005-09-22 2012-04-10 Rsi Video Technologies, Inc. Spread spectrum wireless communication and monitoring arrangement and method
ITTO20110185A1 (it) * 2011-03-02 2012-09-03 Sisvel Technology Srl Procedimento e apparato di trasmissione cooperativa di allarme
US8714449B2 (en) 2008-02-07 2014-05-06 Rsi Video Technologies, Inc. Method and device for arming and disarming status in a facility monitoring system
US9474445B2 (en) 2001-04-23 2016-10-25 Braemar Manufacturing, Llc Controlling access to medical monitoring system
US9679455B2 (en) 2005-09-22 2017-06-13 Rsi Video Technologies, Inc. Security monitoring with programmable mapping

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US6664893B1 (en) 2001-04-23 2003-12-16 Cardionet, Inc. Method for controlling access to medical monitoring device service
US6694177B2 (en) 2001-04-23 2004-02-17 Cardionet, Inc. Control of data transmission between a remote monitoring unit and a central unit
US6665385B2 (en) 2001-04-23 2003-12-16 Cardionet, Inc. Medical monitoring system having multipath communications capability
US7714733B2 (en) 2003-09-12 2010-05-11 Simplexgrinnell Lp Emergency warning system integrated with building hazard alarm notification system
US7145466B2 (en) 2003-09-12 2006-12-05 Simplexgrinnell Lp National security warning system integrated with building fire alarm notification system
DE102010032368B4 (de) * 2010-07-27 2017-04-06 Lotfi Makadmini Voll-Duplex-Funkkommunikationsverfahren in einem synchronen Funksystem
DE102010032349B4 (de) * 2010-07-27 2013-02-07 Lotfi Makadmini Funkkommunikationsverfahren mit schneller Alarmbenachrichtigung
DE102010032369B4 (de) * 2010-07-27 2013-02-21 Lotfi Makadmini Anmeldeverfahren für Funkkommunikationssysteme
US9472067B1 (en) 2013-07-23 2016-10-18 Rsi Video Technologies, Inc. Security devices and related features

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FR2675323A1 (fr) * 1991-04-12 1992-10-16 Crde Systeme transpondeur pour reemettre des informations d'alarme vers un systeme de reception et de traitement, et procede s'y rapportant.
FR2708774A1 (fr) * 1993-08-05 1995-02-10 Guillo Jean Dispositif de sécurité à liaison radio bi-directionnelle.
EP0676733A1 (fr) * 1994-04-09 1995-10-11 Harrison Brothers (Steeplejacks) Ltd., Système de détection et son procédé de fonctionnement
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Cited By (37)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1998040860A1 (fr) * 1997-03-12 1998-09-17 Siemens Aktiengesellschaft Procede et dispositif pour relier des unites fonctionnelles d'un systeme de signalisation
NL1008011C2 (nl) * 1998-01-12 1999-08-06 Hillson B V Draadloze brandbeveiligingsinrichting.
FR2787905A1 (fr) * 1998-12-23 2000-06-30 Cedi Securite Installation de communication asynchrone multifrequence
EP1204083A1 (fr) * 2000-11-06 2002-05-08 Atral Dispositif et procédé de surveillance et/ou d'alarme multi-fréquences
FR2816430A1 (fr) * 2000-11-06 2002-05-10 Atral Dispositif et procede de surveillance et/ou d'alarme multi-frequences
US6703931B2 (en) 2000-11-06 2004-03-09 Atral Multifrequency monitoring and/or alarm device and process
EP1244081A1 (fr) * 2001-03-23 2002-09-25 Siemens Gebäudesicherheit GmbH & Co. OHG Procede de communication radio dans un systeme d'alarme
EP1244082A1 (fr) * 2001-03-23 2002-09-25 Siemens Gebäudesicherheit GmbH & Co. OHG Procede de communication radio dans un systeme d'alarme
WO2002086837A1 (fr) * 2001-04-23 2002-10-31 Cardionet, Inc. Communication bidirectionnelle entre une unite de capteur et une unite de moniteur permettant de surveiller d'un patient
EP2355065A1 (fr) 2001-04-23 2011-08-10 Cardionet, Inc. Communication bidirectionnelle entre une unité de capteur et une unité de surveillance pour la surveillance de patient
US9474445B2 (en) 2001-04-23 2016-10-25 Braemar Manufacturing, Llc Controlling access to medical monitoring system
EP1282095A3 (fr) * 2001-08-03 2003-10-15 Siemens Gebäudesicherheit GmbH & Co. OHG Procédé de communication radio dans un système d'alarme
WO2003058569A1 (fr) * 2002-01-07 2003-07-17 Micro-Mel Deutschland Gmbh Procede de securisation et de gestion d'objets mobiles, et systeme y relatif
FR2839593A1 (fr) * 2002-05-07 2003-11-14 Radio Systemes Ingenierie Procede de communication radiofrequence entre plusieurs dispositifs et systeme de surveillance mettant en oeuvre un tel procede
EP1363260A1 (fr) * 2002-05-07 2003-11-19 Radio Systèmes Ingenierie (Société Anonyme) Procédé de communication radiofréquence entre plusieurs dispositifs et système de surveillance mettant en oeuvre un tel procédé
EP1469437A3 (fr) * 2003-04-16 2005-08-10 Siemens Aktiengesellschaft Méthode de transmission radio dans un système de signalisation de danger
EP1469437A2 (fr) * 2003-04-16 2004-10-20 Siemens Aktiengesellschaft Méthode de transmission radio dans un système de signalisation de danger
EP1477951A2 (fr) * 2003-05-12 2004-11-17 Siemens Aktiengesellschaft Méthode et appareil de surveillance du fonctionnement des voies de transmission radio dans un système de signalisation d'alarmes
EP1477951A3 (fr) * 2003-05-12 2006-03-01 Siemens Aktiengesellschaft Méthode et appareil de surveillance du fonctionnement des voies de transmission radio dans un système de signalisation d'alarmes
US7295127B2 (en) 2003-09-12 2007-11-13 Simplexgrinnell Lp National security warning system integrated with building fire alarm notification system
EP1630760A1 (fr) * 2004-08-11 2006-03-01 Siemens Aktiengesellschaft Procédé de transmission radio dans un système de signalisation d'alarmes
WO2006067826A1 (fr) * 2004-12-23 2006-06-29 Matrix Srl Systeme de detection d'emplacement pour personnes, animaux et objets
US7463145B2 (en) 2005-09-22 2008-12-09 Rsi Video Technologies, Inc. Security monitoring arrangement and method using a common field of view
US8081073B2 (en) 2005-09-22 2011-12-20 Rsi Video Technologies, Inc. Integrated motion-image monitoring device with solar capacity
US8155105B2 (en) 2005-09-22 2012-04-10 Rsi Video Technologies, Inc. Spread spectrum wireless communication and monitoring arrangement and method
US9679455B2 (en) 2005-09-22 2017-06-13 Rsi Video Technologies, Inc. Security monitoring with programmable mapping
US7835343B1 (en) 2006-03-24 2010-11-16 Rsi Video Technologies, Inc. Calculating transmission anticipation time using dwell and blank time in spread spectrum communications for security systems
EP1903523A1 (fr) * 2006-09-21 2008-03-26 E.I. Technology Limited Systèmes d'alarme
US8714449B2 (en) 2008-02-07 2014-05-06 Rsi Video Technologies, Inc. Method and device for arming and disarming status in a facility monitoring system
EP2416300A1 (fr) * 2009-04-02 2012-02-08 Hochiki Corporation N ud sans fil de prévention de sinistre, et système sans fil de prévention de sinistre
EP2416300A4 (fr) * 2009-04-02 2013-07-17 Hochiki Co N ud sans fil de prévention de sinistre, et système sans fil de prévention de sinistre
ITMI20101634A1 (it) * 2010-09-09 2012-03-10 Carlo Amendola Sistema di antifurto e metodo di monitoraggio, in multifrequenza, di oggetti mobili ed immobili
ITTO20110185A1 (it) * 2011-03-02 2012-09-03 Sisvel Technology Srl Procedimento e apparato di trasmissione cooperativa di allarme
US9198014B2 (en) 2011-03-02 2015-11-24 Sisvel Technology S.R.L. Process and apparatus for cooperating transmission of an alarm
CN103403774B (zh) * 2011-03-02 2016-08-31 西斯维尔科技有限公司 用于协作报警的发送的方法与设备
EP2681723A1 (fr) * 2011-03-02 2014-01-08 Sisvel Technology S.r.l. Procédé et appareil de transmission en coopération d'une alarme
WO2012117364A1 (fr) * 2011-03-02 2012-09-07 Sisvel Technology S.R.L. Procédé et appareil de transmission en coopération d'une alarme

Also Published As

Publication number Publication date
DE19622880A1 (de) 1997-12-11
ES2169290T3 (es) 2002-07-01
DE59705496D1 (de) 2002-01-10
EP0811959B1 (fr) 2001-11-28
ATE209807T1 (de) 2001-12-15

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