EP1244082B1 - Procede de communication radio dans un systeme d'alarme - Google Patents

Procede de communication radio dans un systeme d'alarme Download PDF

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Publication number
EP1244082B1
EP1244082B1 EP02006119A EP02006119A EP1244082B1 EP 1244082 B1 EP1244082 B1 EP 1244082B1 EP 02006119 A EP02006119 A EP 02006119A EP 02006119 A EP02006119 A EP 02006119A EP 1244082 B1 EP1244082 B1 EP 1244082B1
Authority
EP
European Patent Office
Prior art keywords
main station
alarm system
radio transmission
substation
antenna
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
EP02006119A
Other languages
German (de)
English (en)
Other versions
EP1244082A1 (fr
Inventor
Klaus Dr. Pieverling
Karlheinz Schreyer
Stefan Wilken
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 Building Technology Fire and Security Products GmbH and Co OHG
Original Assignee
Siemens Gebaeudesicherheit GmbH and Co OHG
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 Gebaeudesicherheit GmbH and Co OHG filed Critical Siemens Gebaeudesicherheit GmbH and Co OHG
Publication of EP1244082A1 publication Critical patent/EP1244082A1/fr
Application granted granted Critical
Publication of EP1244082B1 publication Critical patent/EP1244082B1/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
    • G08B25/01—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 method for radio transmission in a hazard detection system with a main station and several slave stations, the main station and the slave station each have a transmitting and receiving device.
  • the hazard detection systems include signaling sensors as secondary stations, the one in the event of a detected danger (fire, burglary) Hazard notification via a radio link to a control center or main station (which also includes repeaters should transmit) in the further to eliminate the danger Measures (alerting the fire department or the police) be initiated.
  • the signal sensors each include a transmitting and receiving device and are intended for use as self-sufficient as possible in inadequate places, i.e. with a Battery.
  • EP 0 911 775 is a hazard detection system and a method for radio transmission in such a system known which is bidirectional and its components are designed to save energy. Disorders in one Such systems can be safely recognized in less than 100 s fading holes lead to unnecessary Fault messages.
  • a partial solution is achieved by increasing the sensitivity Recipient. This reduces the likelihood of interference but never disappears completely. That leaves In large systems in particular, there is always a certain probability of failure.
  • a wireless alarm system is known from DE 197 00 716 A1, where each outdoor station is designed as an alarm station, which represents its own alarm center. All alarm stations are connected and monitor each other. If an alarm cannot be triggered, it will automatically issued by another alarm station - this Procedure is due to the complexity of the individual alarm stations very complex and the individual alarm stations are therefore difficult to operate independently.
  • a radio controlled signaling and receiving system is also known from DE 296 01 436 U1.
  • the directional characteristic of at least one the antennas changed.
  • Another easy to implement method according to claim 5 is that at the location of the recipient and or the transmitter is switched to another antenna according to claim 6 by more than half the wavelength of the original antenna staggered, according to claim 7 by a different orientation than the original one Antenna or according to claim 8 by a compared to the first Antenna rotated polarization direction is marked.
  • the slave station can then via the other slave station report to the main station that this - the main station not reaching - slave station still working and from the main station via the other slave station can be achieved.
  • the slave station sends its data for so long over the further secondary station to the main station, as long the direct connection to the main station is disturbed.
  • a detour can not only be done once, but continuously use for communication between main and secondary station.
  • FIG. 1 shows how a main station N, for example the headquarters of a hazard detection system or a Repeater, communicates with a secondary station S1.
  • the substation S1 can, for example, intrusion or fire alarm sensors include.
  • the main station M and the secondary stations S1 each have transmit and not shown Receivers on wireless communication initially between the main station M and the secondary stations S1 guarantee.
  • the secondary station S1 has a first Antenna 1 has another antenna 3, which is referred to in FIG Example spatially offset and perpendicular to the first antenna 1 is arranged. If the communication between the first Antenna 1 and antenna 2 of the main station M disturbed is what in turn is represented by the dotted connection , the additional antenna 3 to be switched, which will then communicate with the antenna 2 of the main station M enables.
  • the respective Antennas assigned to stations can also be arranged at the main station M. and by means of an appropriate control, the respective Antennas assigned to stations not only alternately, but also be operated at the same time, which makes the Allow dispersion conditions to be changed even more flexibly.
  • FIG. 2 it is shown that in an arrangement with a main station M and a total of four secondary stations S1, S2, S3 and S4 the communication between the main station M and the secondary station S1 is disturbed, which is shown schematically in FIG. 2 through a dotted connection between the secondary station S1 and the main station M is shown.
  • the secondary station S1 sends its data to the further secondary station S2 and this transmits the data of the secondary station S1 then to the main station M.
  • the main station M can thus via the detour via the other secondary station S2 with the accessible secondary station S1 communicate and exchange data.
  • the secondary station S1 is therefore in the main station M. not marked as disturbed.
  • the number can be significantly reduce the number of fault reports.
  • FIG. 3 shows how the secondary station S1 and the Main station M does not communicate with each other via a first frequency F1 can communicate, which in turn by the dotted line is shown while communicating via a second Frequency S2 is easily possible.
  • a frequency change can be provided, for example, when the communication is disturbed with the first frequency S1, but it can also a continuous change in frequency at predetermined time intervals be provided.
  • the detour circuit via another slave station the change the antennas and the frequency change can now do so combined that if one of the ways doesn't work, one of the others is automatically applied.
  • the communication between the main station and the slave station disturbed differently can be.
  • the main station receives in the frame the integrity check at the given time none Signal from the slave, then try the master and slave to communicate with each other on another frequency. If communication via frequency change is unsuccessful, then the main station can communicate through the diversion trigger via the additional slave station.
  • the main station receives the signal received by the slave station for integrity checking and sends your acknowledgment signal, which is not from the secondary station Will be received.
  • the substation try to reach the main station in a different way while the main station assumes communication be properly completed.
  • there is a Extra time slot is provided in which a slave station that has not received an acknowledgment signal and no other communication with the main station, a telegram transmitted to the main station. This receives this Telegram in the time slot provided for this, thus learns that the integrity check was not completed and can initiate additional measures, such as communication via another secondary station.

Landscapes

  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Alarm Systems (AREA)

Claims (15)

  1. Procédé de transmission radioélectrique au sein d'un système d'alarme, comprenant un poste principal (M) et plusieurs postes auxiliaires (S1, S2, S3, S4), le poste principal (M) et les postes auxiliaires (S1, S2, S3, S4) étant respectivement munis d'un système émetteur et d'un système récepteur, dans lequel
       chaque poste auxiliaire (S1, S2, S3, S4) essaie d'émettre directement vers le poste principal (M) des données radio,
       en cas de perturbation de la transmission radioélectrique directe entre le poste principal (M) et l'un des postes auxiliaires (S1), des caractéristiques d'émission et/ou de réception d'antennes (1, 2, 3) des systèmes émetteurs et récepteurs du poste principal (M) et/ou du poste auxiliaire (S1) qui est incapable de joindre directement le poste principal (M) sont influencées,
       et le poste auxiliaire (S1), incapable de joindre directement le poste principal (M), émet ses données vers un autre poste auxiliaire (S2) et ces données sont transmises au poste principal (M), par cet autre poste auxiliaire (S2), si l'influence des antennes (1, 2, 3) reste sans effet.
  2. Procédé de transmission radioélectrique au sein d'un système d'alarme selon la revendication 1,
       caractérisé en ce que
       le diagramme de directivité d'au moins l'une des antennes (1, 2, 3) est modifié.
  3. Procédé de transmission radioélectrique au sein d'un système d'alarme selon la revendication 2,
       caractérisé en ce que
       la modification du diagramme de directivité est obtenue par connexion ou par déconnexion de parties individuelles de l'antenne (1, 2, 3).
  4. Procédé de transmission radioélectrique au sein d'un système d'alarme selon la revendication 2,
       caractérisé en ce que
       la modification du diagramme de directivité est effectuée par variation des éléments de réglage de l'antenne (1, 2, 3).
  5. Procédé de transmission radioélectrique au sein d'un système d'alarme selon la revendication 1
       caractérisé en ce que
       à l'endroit de l'émetteur et/ou du récepteur, une commutation vers une antenne supplémentaire (3) a lieu.
  6. Procédé de transmission radioélectrique au sein d'un système d'alarme selon la revendication 5,
       caractérisé en ce que
       l'antenne supplémentaire (3) est disposée par rapport à l'antenne initiale (1) de manière décalée dans l'espace de plus de la moitié de la longueur d'onde.
  7. Procédé de transmission radioélectrique au sein d'un système d'alarme selon la revendication 5,
       caractérisé en ce que
       l'antenne supplémentaire (3) est dirigée dans une autre direction que l'antenne initiale (1).
  8. Procédé de transmission radioélectrique au sein d'un système d'alarme selon la revendication 5,
       caractérisé en ce que
       l'antenne supplémentaire (3) présente une direction de polarisation tournée par rapport à l'antenne initiale (1).
  9. Procédé de transmission radioélectrique au sein d'un système d'alarme selon l'une quelconque des revendications 5 à 8,
       caractérisé en ce que
       l'antenne supplémentaire (3) est orientée sensiblement à la perpendiculaire de l'antenne initiale (1).
  10. Procédé de transmission radioélectrique au sein d'un système d'alarme selon l'une quelconque des revendications 1 à 9,
       caractérisé en ce que
       le poste principal (M) et les postes auxiliaires (S1, S2, S3, S4) essayent dans des intervalles de temps prédéfinis de communiquer entre eux, dans le cadre d'un contrôle d'intégrité,
       le poste auxiliaire (S1) qui est dans l'incapacité de joindre directement le poste principal (M) et pour lequel le contrôle d'intégrité n'a pas fonctionné, signale au poste principal (M), par l'intermédiaire de l'autre poste auxiliaire (S2) qu'il est fonctionnel et qu'il peut être joignable par le poste principal (M), par l'intermédiaire de l'autre poste auxiliaire (S2).
  11. Procédé de transmission radioélectrique au sein d'un système d'alarme selon l'une quelconque des revendications 1 à 10,
       caractérisé en ce que
       le poste principal (M) traite le poste auxiliaire (S1) qui est dans l'incapacité de joindre le poste principal (M) comme n'étant pas en panne.
  12. Procédé de transmission radioélectrique au sein d'un système d'alarme selon l'une quelconque des revendications 1 à 11,
       caractérisé en ce que
       le poste auxiliaire (S1) qui est dans l'incapacité de joindre directement le poste principal (M) transmet ses données au poste principal (M), par l'intermédiaire de l'autre poste auxiliaire (S2), aussi longtemps que la liaison directe avec le poste principal (M) est perturbée.
  13. Procédé de transmission radioélectrique au sein d'un système d'alarme selon l'une quelconque des revendications 1 à 12,
       caractérisé en ce que
       le premier essai consiste à établir la transmission entre le poste auxiliaire (S1) et le poste principal (M), par un changement de fréquence par l'intermédiaire d'un nombre prédéfini de canaux de fréquence, avant d'engager le procédé d'influence des antennes (1, 2, 3).
  14. Procédé de transmission radioélectrique au sein d'un système d'alarme selon l'une quelconque des revendications 1 à 12,
       caractérisé en ce que
       la fréquence de transmission est changée d'une première fréquence (f1) à une seconde fréquence (f2), si à l'aide de la première fréquence (f1), aucune transmission par l'intermédiaire de l'autre poste auxiliaire (S1), ni par l'influence de l'antenne (1, 2, 3) n'a lieu.
  15. Procédé de transmission radioélectrique au sein d'un système d'alarme selon l'une quelconque des revendications 1 à 14,
       caractérisé en ce que
       la fréquence de transmission est changée à intervalles de temps prédéfinis d'une première fréquence (f1) à une seconde fréquence (f2).
EP02006119A 2001-03-23 2002-03-18 Procede de communication radio dans un systeme d'alarme Expired - Lifetime EP1244082B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10114314A DE10114314A1 (de) 2001-03-23 2001-03-23 Verfahren zur Funkübertragung in einem Gefahrenmeldesystem
DE10114314 2001-03-23

Publications (2)

Publication Number Publication Date
EP1244082A1 EP1244082A1 (fr) 2002-09-25
EP1244082B1 true EP1244082B1 (fr) 2004-01-14

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EP02006119A Expired - Lifetime EP1244082B1 (fr) 2001-03-23 2002-03-18 Procede de communication radio dans un systeme d'alarme

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EP (1) EP1244082B1 (fr)
AT (1) ATE257966T1 (fr)
DE (2) DE10114314A1 (fr)
ES (1) ES2214456T3 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2599067B1 (fr) 2010-07-27 2014-10-15 Lotfi Makadmini Procédé de radiocommunication duplex dans un système de radiocommunication synchrone d'un système avertisseur de danger
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

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU532289B2 (en) * 1978-12-21 1983-09-22 Sony Corporation Segmented loop antenna system
US4792946A (en) * 1987-04-07 1988-12-20 Spectrum Electronics, Inc. Wireless local area network for use in neighborhoods
DE19539312A1 (de) * 1995-10-23 1997-04-24 Grundig Emv Verfahren zur Erhöhung der Übertragungssicherheit bei Funkalarmanlagen
DE29601436U1 (de) * 1996-01-29 1996-04-18 Impex Gesellschaft für elektronische Alarmanlagen mbH, 47441 Moers Funkgesteuerte Signalmelde- und -empfangsanlage
DE19622880A1 (de) * 1996-06-07 1997-12-11 Grundig Ag Funkgesteuerte Gefahrenmeldeanlage mit unterzentralen und sicherer Datenkommunikation zwischen den einzelnen Komponenten
DE19700716A1 (de) * 1997-01-11 1997-06-05 Hauk Rolf Guenter Drahtlose Alarmanlage
DE59810391D1 (de) * 1997-09-30 2004-01-22 Siemens Ag Verfahren zur Funkübertragung in einem Gefahrenmeldesystem
US6201472B1 (en) * 1998-10-26 2001-03-13 Pittway Corp. Wireless communication system with increased dynamic range
DE19924349A1 (de) * 1999-05-27 2000-12-21 Kathrein Werke Kg Mobilantenne, insbesondere Fahrzeugantenne für zumindest eine zirkulare und zumindest eine lineare, vorzugsweise vertikale Polarisation

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Publication number Publication date
DE50200209D1 (de) 2004-02-19
ES2214456T3 (es) 2004-09-16
ATE257966T1 (de) 2004-01-15
DE10114314A1 (de) 2002-10-10
EP1244082A1 (fr) 2002-09-25

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