EP2678845B2 - Alarm triggering device for a security system - Google Patents

Alarm triggering device for a security system Download PDF

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Publication number
EP2678845B2
EP2678845B2 EP12717337.5A EP12717337A EP2678845B2 EP 2678845 B2 EP2678845 B2 EP 2678845B2 EP 12717337 A EP12717337 A EP 12717337A EP 2678845 B2 EP2678845 B2 EP 2678845B2
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EP
European Patent Office
Prior art keywords
alarm
triggering device
alarm triggering
fault
trigger
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EP12717337.5A
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German (de)
French (fr)
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EP2678845A2 (en
EP2678845B1 (en
Inventor
Laurent Pichard
Stéphane DIMARCO
Jacques Lewiner
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Finsecur SAS
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Finsecur SAS
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Priority to PL12717337T priority Critical patent/PL2678845T3/en
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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L43/00—Arrangements for monitoring or testing data switching networks
    • H04L43/08—Monitoring or testing based on specific metrics, e.g. QoS, energy consumption or environmental parameters
    • 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
    • G08B29/00—Checking or monitoring of signalling or alarm systems; Prevention or correction of operating errors, e.g. preventing unauthorised operation
    • G08B29/02—Monitoring continuously signalling or alarm systems
    • G08B29/04—Monitoring of the detection circuits
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B29/00—Checking or monitoring of signalling or alarm systems; Prevention or correction of operating errors, e.g. preventing unauthorised operation
    • G08B29/02—Monitoring continuously signalling or alarm systems
    • G08B29/06—Monitoring of the line circuits, e.g. signalling of line faults
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B29/00—Checking or monitoring of signalling or alarm systems; Prevention or correction of operating errors, e.g. preventing unauthorised operation
    • G08B29/02—Monitoring continuously signalling or alarm systems
    • G08B29/10—Monitoring of the annunciator circuits

Definitions

  • the present invention relates to an alarm triggering device for a security system (fire detection, intrusion detection, detection of malfunctions of technical installations, etc.); and a security system (fire detection, intrusion detection, malfunctions of technical installations, ). It applies in particular to the detection of fire or intrusion in public or private buildings, residential, industrial, commercial or leisure or the detection of malfunctions of technical installations. Thereafter the technical alarms will be designated as the detection of malfunctions of technical installations and, by a predetermined event, a fire, an intrusion or a malfunction of technical installations or the like.
  • the alarm triggering devices are connected to the central monitoring station so as to allow an exchange of information between the central unit and the said alarm triggering devices so that the central unit is informed of the state of each element of the network of alarms. detection, and if necessary to order them.
  • Fire detection systems are known in which the alarm release devices are connected to the control unit by means of a wireless link.
  • the link between each alarm triggering device and the control panel is of good quality to allow the exchange of information.
  • the quality of the link may be degraded because of a loss of electrical power of the alarm triggering device or the presence of obstacles on the radio communication path between said alarm triggering device and the central station, for example. This can lead to a break in communication between the two elements.
  • wireless communication for an alarm triggering device requires high power consumption, which can quickly deplete the power source.
  • a power failure or radio communication can be very dangerous when a fire occurs because the alarm triggering device would not be able to communicate with the central monitoring station to alert it of the alarm triggering.
  • the alarm trigger device is a manual release
  • the person who actuates said manual release would not be informed that there is a malfunction of the trigger and thus the alarm would not be transmitted to the central fire detection system.
  • US 2006/082464 discloses an alarm trigger provided with an insufficient battery level detector.
  • WO 2005/013288 and US2007 / 0171051A1 disclose a wireless link alarm system with means for controlling the quality of the link.
  • the present invention aims to remedy all or part of the aforementioned drawbacks. It is defined by the claims.
  • a security system 10 is schematically represented on the figure 1 .
  • This system comprises a monitoring unit 100, connected to several alarm triggering devices 200-1 ... 200n distributed in an area to be monitored by means of the wireless links 50-1 ... 50-n.
  • the monitoring station 100 is made with a single box 110 gathering a set of means of computerized management 101, signaling 102, control 103 and communication 104.
  • the monitoring center 100 further comprises a processor 105 for managing these means and a memory 106 for storing data.
  • the monitoring unit 100 is configured in a manner known per se for detecting the occurrence of an alarm of any of the alarm triggering devices 200-1..200-n, signaling the alarm condition by means of visual and / or audible means and for controlling said alarm trigger devices 200-1..200-n.
  • the communication means 104 comprise a wireless interface including a device for receiving and transmitting radio signals, equipped with an antenna to enable the central station to communicate with the alarm triggering devices 200-1 ... 200- n using wireless links 50-1 ... 50-n.
  • FIG. 2B the front face 112 of the cabinet 110 comprising LEDs 113 which represent the alarm state of the alarm triggering devices of the predetermined event monitoring system, for example a fire, in a manner known per se, a transmitter sound 114 and a display screen 116.
  • the sound transmitter 114 is of known type for example in fire alarms and is adapted to emit an audible alarm signal.
  • the display screen 116 allows the central unit to display visual messages to a user of the central monitoring and / or a member of the maintenance service of this device.
  • the display screen 116 is adapted to display an alarm indicator.
  • the box 110 may be equipped, in a manner known per se, of means making it possible to connect via telephone wire, the Internet or the like to central means of monitoring and control.
  • Alarm triggering devices 200-1 ... 200n include automatic triggers having predetermined event detectors and manual triggers.
  • the predetermined automatic event detectors are capable of capturing a representative phenomenon of a predetermined event, for example in the case of a fire of smoke or flames. These detectors can be configured to detect a variation of a physical or chemical quantity, for example and without limitation, a temperature, a presence of smoke particles or a composition of the air and, when this variation meets criteria.
  • predetermined for example amplitude, derivative or second derivative criteria
  • said detector transmits a signal representative of a predetermined event detection to the monitoring station 100 via the wireless links 50-n.
  • the automatic triggers trigger an alarm in response to the detection of a phenomenon representative of a predetermined event.
  • Manual triggers for their part are able to be operated manually by a person discovering a predetermined event situation, for example a fire.
  • an alarm signal is transmitted to the monitoring station 100.
  • an alarm signal may be signaled at the alarm triggering device.
  • An alarm trigger device 200 for the security system is shown schematically on the figure 3 .
  • the alarm triggering device in this embodiment is a manual trigger 200.
  • This manual trigger includes a wireless interface 210 for connecting the manual trigger 200 to the security system central station 100 by means of the wireless link.
  • a mechanical release 220 such as a push button having one or two positions of stable equilibrium to allow a user to manually trigger an alarm in the event of a predetermined event for example a fire
  • a power supply 230 to power the manual release 200
  • a control processor 240 constituting a fault detector 240 for detecting a malfunction of the trigger
  • a signaling device 250 capable of signaling, at the level of the manual trigger 200, the fault of the operation of the manual trigger detected by the fault detector 240.
  • the signaling device 250 may be arranged to signal at the level of the manual trigger 200 a signal of alarm when the mechanical trigger 220 is triggered in case of malfunction.
  • an alarm device may be provided in the manual trigger 200 to generate an alarm signal in the event of a malfunction when a test button is actuated.
  • the fault detector 240 is connected to the wireless interface 210 and to the battery 230. It is configured to detect a lack of wireless communication with the monitoring station 100 and to detect a fault. supply to the manual release from the battery 230.
  • the fault detector 240 may be configured to measure the intensity of the radio signal received from the control unit via the wireless interface 50 and to compare it with a predetermined intensity threshold. In another embodiment, the fault detector 240 may be configured to measure the signal-to-noise ratio of the radio signal received from the control unit via the wireless interface 50 to compare it with a threshold of the signal ratio. on predetermined noise. In a particular embodiment, the fault detector may be configured to send a test signal to the central monitoring station 100 and wait for a response signal from the central unit 100 to verify the wireless link 50. A lack of response or receiving a low intensity response signal may indicate a wireless link fault. In other embodiments, communication radio signals can be transmitted from the central monitoring station 100 to the manual trigger on a regular basis. The absence of detection of these signals or the detection of signals having a low intensity can trigger the signaling means 250 to generate a malfunction alarm signal.
  • the device described above also makes it easier to install the triggering devices. Indeed, once the plant is installed, it is possible to position the trigger devices at positions such that the signaling means are not malfunction alarm. For example, if they are arranged to emit a sound signal in the form of pulses at repetition frequencies which are all the lower as the quality of the radio link deteriorates, the person who inserts the triggering device has information directly noticeable. Of course, it would be possible to transmit the pulses at repetition frequencies which are all the greater as the quality of the radio link deteriorates.
  • the fault detector 240 may be configured to measure the level of energy remaining in the cell 230 to compare it with a predetermined threshold. The measurement of a level of energy lower than said threshold indicates a malfunction of power supply.
  • the signaling means 250 are configured to generate different signaling depending on the malfunction.
  • the signaling means may comprise a first warning indicator dedicated to a communication fault and a second warning indicator dedicated to a power failure.
  • the transmission of a signal visible from the first indicator indicates a communication fault and the emission of a signal visible from the second indicator indicates a power failure.
  • a single indicator can be configured to emit different colors depending on the malfunction or to flash at different frequencies depending on the malfunction.
  • an audible signal may be emitted by the signaling means to warn of a malfunction. Different sounds may be emitted depending on the detected operating fault or the transmission frequency of these sounds may vary depending on the malfunction or these sounds may be transmitted as pulses at fault-dependent repetition frequencies. Operating.
  • the signaling device 250 When the fault detector 240 detects a communication break with the monitoring station 100 or a decrease in the intensity of the communication signal below the reference threshold, the signaling device 250 is implemented in such a way as to signal a communication failure and / or a power failure at the manual trip 200. Thus, a person in the vicinity of the manual release 200 will be alerted to the malfunction status of the manual release 200. This will allow the replacement of the battery of 230 power supply or manual trigger repair.
  • the alarm trigger device is equipped with a presence detector and the signaling device would be operated only in the presence of people in the vicinity of the trigger.
  • the presence detector may include an infrared ray detector from an associated infrared ray emitter. The absence or reduction of infrared rays from the infrared emitter would indicate the presence of one or more persons.
  • the presence detector may comprise an infrared ray detector emitted by the person or persons in the vicinity of the trigger because of their temperature. The appearance of these infrared rays would indicate the presence of one or more people.
  • the presence detector may be integrated in the alarm triggering device or may be a separate device from the alarm triggering device and associated with the alarm triggering device.
  • the presence detector may include a finger-sensitive element, such as a push button, or finger-touch, such as a touch key.
  • an alarm signal can also be transmitted to the central monitoring station 100 to directly warn of the malfunction of the manual release 200 .
  • fire detection systems have been described more particularly in the embodiments presented.
  • the present invention also applies to other security systems.
  • the radio link between a trigger and the central can be done using intermediate triggers, which can allow the radio link even if the distance between the trigger actuated and the central is too large to allow a direct connection.

Description

La présente invention est relative à un dispositif de déclenchement d'alarme pour un système de sécurité (détection d'incendie, détection d'intrusion, détection d'anomalies de fonctionnement d'installations techniques, ...) ; et à un système de sécurité (détection d'incendie, détection d'intrusion, d'anomalies de fonctionnement d'installations techniques,...). Elle s'applique en particulier à la détection d'incendie ou d'intrusion dans des bâtiments publics ou privés, résidentiels, industriels, commerciaux ou de loisir ou à la détection d'anomalies de fonctionnement d'installations techniques. Par la suite on désignera par alarmes techniques la détection d'anomalies de fonctionnement d'installations techniques et par événement prédéterminé un incendie, une intrusion ou une anomalie de fonctionnement d'installations techniques ou similaires.The present invention relates to an alarm triggering device for a security system (fire detection, intrusion detection, detection of malfunctions of technical installations, etc.); and a security system (fire detection, intrusion detection, malfunctions of technical installations, ...). It applies in particular to the detection of fire or intrusion in public or private buildings, residential, industrial, commercial or leisure or the detection of malfunctions of technical installations. Thereafter the technical alarms will be designated as the detection of malfunctions of technical installations and, by a predetermined event, a fire, an intrusion or a malfunction of technical installations or the like.

Dans le cas de la détection d'incendie, un système de détection d'incendie comprend une centrale électronique de surveillance et un réseau de détection en communication avec la centrale électronique incluant un ou plusieurs dispositifs de déclenchement d'alarme ou points de détection d'incendie. Ces dispositifs de déclenchement d'alarme ou points de détection peuvent comprendre des détecteurs d'incendie automatiques aptes à capter un phénomène représentatif d'un incendie et des détecteurs d'incendie manuels (déclencheurs manuels) qui sont aptes à être actionnés par une personne découvrant une situation d'incendie. Les dispositifs de déclenchement d'alarme sont en général répartis dans la zone ou les zones à surveiller et reliés à la centrale de surveillance. La centrale électronique permet de surveiller la zone ou les zones à surveiller au moyen des dispositifs de déclenchement d'alarme et d'émettre une alarme lorsqu'un incendie est détecté.In the case of fire detection, a fire detection system includes an electronic monitoring unit and a detection network in communication with the electronic control unit including one or more alarm triggering devices or detection points. fire. These alarm-triggering devices or detection points may include automatic fire detectors capable of capturing a phenomenon representative of a fire and manual fire detectors (manual triggers) which are able to be actuated by a person discovering a fire situation. The alarm triggering devices are generally distributed in the zone or zones to be monitored and connected to the central monitoring station. The electronic control unit monitors the area (s) to be monitored using the alarm triggers and emits an alarm when a fire is detected.

Les dispositifs de déclenchement d'alarme sont reliés à la centrale de surveillance de manière à permettre un échange d'informations entre la centrale et lesdits dispositifs de déclenchement d'alarme afin que la centrale soit informée de l'état de chaque élément du réseau de détection, et le cas échéant de les commander.The alarm triggering devices are connected to the central monitoring station so as to allow an exchange of information between the central unit and the said alarm triggering devices so that the central unit is informed of the state of each element of the network of alarms. detection, and if necessary to order them.

On connaît des systèmes de détection d'incendie dans lesquels les dispositifs de déclenchement d'alarme sont reliés à la centrale au moyen d'une liaison sans fil. Afin de permettre une surveillance fiable et sûre, il est important que la liaison entre chaque dispositif de déclenchement d'alarme et la centrale soit de bonne qualité pour permettre les échanges d'informations. Cependant la qualité de la liaison peut être dégradée à cause d'une perte de puissance électrique du dispositif de déclenchement d'alarme ou de la présence d'obstacles sur le chemin de communication radio entre ledit dispositif de déclenchement d'alarme et la centrale, par exemple. Cela peut mener à une rupture de communication entre les deux éléments.Fire detection systems are known in which the alarm release devices are connected to the control unit by means of a wireless link. In order to allow reliable and safe monitoring, it is important that the link between each alarm triggering device and the control panel is of good quality to allow the exchange of information. However, the quality of the link may be degraded because of a loss of electrical power of the alarm triggering device or the presence of obstacles on the radio communication path between said alarm triggering device and the central station, for example. This can lead to a break in communication between the two elements.

De plus, la communication sans fil pour un dispositif de déclenchement d'alarme exige une consommation élevée de courant, ce qui peut rapidement épuiser la source d'alimentation.In addition, wireless communication for an alarm triggering device requires high power consumption, which can quickly deplete the power source.

Un défaut d'alimentation ou de communication radio peut être très dangereux lorsqu'un incendie se produit puisque le dispositif de déclenchement d'alarme ne serait pas capable de communiquer avec la centrale de surveillance pour l'alerter du déclenchement d'alarme. Dans le cas où le dispositif de déclenchement d'alarme est un déclencheur manuel, en cas de défaut tel qu'évoqué ci-dessus, la personne qui actionne ledit déclencheur manuel ne serait pas informée qu'il y a un défaut de fonctionnement du déclencheur et qu'ainsi l'alarme ne serait pas transmise à la centrale du système de détection d'incendie.A power failure or radio communication can be very dangerous when a fire occurs because the alarm triggering device would not be able to communicate with the central monitoring station to alert it of the alarm triggering. In the case where the alarm trigger device is a manual release, in case of a defect as mentioned above, the person who actuates said manual release would not be informed that there is a malfunction of the trigger and thus the alarm would not be transmitted to the central fire detection system.

Les mêmes inconvénients que ceux qui viennent d'être décrits se retrouvent lorsque l'on considère un système de détection d'intrusion ou un système de détection d'anomalies de fonctionnement d'installations techniques.The same disadvantages as those just described are found when considering an intrusion detection system or a malfunction detection system of technical installations.

US 2006/082464 divulgue un déclencheur d'alarme pourvu d'un détecteur de niveau de batterie insuffisant. US 2006/082464 discloses an alarm trigger provided with an insufficient battery level detector.

WO 2005/013288 et US2007/0171051A1 divulguent un système d'alarme à liaison sans fil avec des moyens de contrôle de la qualité de la liaison. WO 2005/013288 and US2007 / 0171051A1 disclose a wireless link alarm system with means for controlling the quality of the link.

La présente invention vise à remédier à tout ou partie des inconvénients précités. Ellle est définie par les revendications.The present invention aims to remedy all or part of the aforementioned drawbacks. It is defined by the claims.

Dans ce qui suit, on va décrire quelques modes de réalisations préférés de l'invention en se référant aux figures ci-annexées d'une manière bien entendu non limitative.

  • La figure 1 représente schématiquement des éléments d'un système de sécurité selon un premier mode de réalisation de l'invention.
  • La figure 2A représente schématiquement une centrale de surveillance selon un premier mode de réalisation de l'invention.
  • La figure 2B représente schématiquement la face avant d'un coffret de centrale de surveillance selon un premier mode de réalisation de l'invention.
  • La figure 3 représente schématiquement un dispositif de déclenchement d'alarme selon un premier mode de réalisation de l'invention.
In the following, we will describe some preferred embodiments of the invention with reference to the accompanying figures in a manner of course not limiting.
  • The figure 1 schematically represents elements of a security system according to a first embodiment of the invention.
  • The Figure 2A schematically represents a central monitoring according to a first embodiment of the invention.
  • The Figure 2B schematically represents the front face of a control panel box according to a first embodiment of the invention.
  • The figure 3 schematically represents an alarm triggering device according to a first embodiment of the invention.

Un système de sécurité 10 selon un premier mode de l'invention est représenté schématiquement sur la figure 1. Ce système comprend une centrale de surveillance 100, reliée à plusieurs dispositifs de déclenchement d'alarme 200-1...200n repartis dans une zone à surveiller au moyen des liaisons sans fil 50-1...50-n.A security system 10 according to a first embodiment of the invention is schematically represented on the figure 1 . This system comprises a monitoring unit 100, connected to several alarm triggering devices 200-1 ... 200n distributed in an area to be monitored by means of the wireless links 50-1 ... 50-n.

Dans le mode de réalisation illustré sur la figure 2A, la centrale de surveillance 100 est réalisée avec un seul coffret 110 regroupant un ensemble des moyens de gestion informatisés 101, de signalisation 102, de commande 103 et de communication 104. La centrale de surveillance 100 comprend en outre un processeur 105 pour gérer ces moyens et une mémoire 106 pour stocker des données.In the embodiment illustrated on the Figure 2A , the monitoring station 100 is made with a single box 110 gathering a set of means of computerized management 101, signaling 102, control 103 and communication 104. The monitoring center 100 further comprises a processor 105 for managing these means and a memory 106 for storing data.

La centrale de surveillance 100 est configurée de manière connue en soi pour détecter l'apparition d'une alarme de l'un quelconque des dispositifs de déclenchement d'alarme 200-1..200-n, signaler la condition d'alarme par des moyens visuels et/ou sonores et pour commander lesdits dispositifs de déclenchement d'alarme 200-1..200-n. Les moyens de communication 104 comportent une interface sans fil incluant un dispositif de réception et de transmission des signaux radio, muni d'une antenne pour permettre à la centrale de communiquer avec les dispositifs de déclenchement d'alarme 200-1...200-n au moyen des liaisons sans fil 50-1...50-n.The monitoring unit 100 is configured in a manner known per se for detecting the occurrence of an alarm of any of the alarm triggering devices 200-1..200-n, signaling the alarm condition by means of visual and / or audible means and for controlling said alarm trigger devices 200-1..200-n. The communication means 104 comprise a wireless interface including a device for receiving and transmitting radio signals, equipped with an antenna to enable the central station to communicate with the alarm triggering devices 200-1 ... 200- n using wireless links 50-1 ... 50-n.

On observe en figure 2B la face avant 112 du coffret 110 comportant des voyants 113 qui représentent l'état d'alarme des dispositifs de déclenchement d'alarme du système de surveillance d'événement prédéterminé, par exemple d'un incendie, de manière connue en soi, un émetteur sonore 114 et un écran d'affichage 116. L'émetteur sonore 114 est de type connu par exemple dans les alarmes d'incendie et est adapté à émettre un signal d'alarme audible.We observe Figure 2B the front face 112 of the cabinet 110 comprising LEDs 113 which represent the alarm state of the alarm triggering devices of the predetermined event monitoring system, for example a fire, in a manner known per se, a transmitter sound 114 and a display screen 116. The sound transmitter 114 is of known type for example in fire alarms and is adapted to emit an audible alarm signal.

L'écran d'affichage 116 permet à l'unité centrale d'afficher des messages visuels à destination d'un utilisateur de la centrale de surveillance et/ou d'un membre du service de maintenance de ce dispositif. En particulier, l'écran d'affichage 116 est adapté pour afficher un indicateur d'alarme.The display screen 116 allows the central unit to display visual messages to a user of the central monitoring and / or a member of the maintenance service of this device. In particular, the display screen 116 is adapted to display an alarm indicator.

Le coffret 110 peut être équipé de manière connue en soi de moyens permettant une liaison par fil téléphonique, par Internet ou autre vers des moyens centraux de surveillance et de contrôle.The box 110 may be equipped, in a manner known per se, of means making it possible to connect via telephone wire, the Internet or the like to central means of monitoring and control.

Les dispositifs de déclenchement d'alarme 200-1...200n incluent des déclencheurs automatiques comportant des détecteurs d'événement prédéterminé et des déclencheurs manuels. Les détecteurs d'événement prédéterminé automatiques sont aptes à capter un phénomène représentatif d'événement prédéterminé, par exemple dans le cas d'un incendie de la fumée ou des flammes. Ces détecteurs peuvent être configurés pour détecter une variation d'une grandeur physique ou chimique, par exemple et de manière non limitative, une température, une présence de particules de fumée ou une composition de l'air et, lorsque cette variation répond à des critères prédéterminés par exemple des critères d'amplitude, de dérivée ou de dérivée seconde, ledit détecteur transmet un signal représentatif d'une détection d'événement prédéterminé à destination de la centrale de surveillance 100 par l'intermédiaire des liaisons sans fil 50-n. Les déclencheurs automatiques déclenchent une alarme en réponse à la détection d'un phénomène représentatif d'un évènement prédéterminé. Les déclencheurs manuels quant à eux sont aptes à être actionnés manuellement par une personne découvrant une situation d'événement prédéterminé, par exemple un incendie. En réponse au déclenchement, un signal d'alarme est transmis à destination de la centrale de surveillance 100. Dans certains modes de réalisation de l'invention un signal d'alarme peut être signalé au niveau du dispositif de déclenchement d'alarme.Alarm triggering devices 200-1 ... 200n include automatic triggers having predetermined event detectors and manual triggers. The predetermined automatic event detectors are capable of capturing a representative phenomenon of a predetermined event, for example in the case of a fire of smoke or flames. These detectors can be configured to detect a variation of a physical or chemical quantity, for example and without limitation, a temperature, a presence of smoke particles or a composition of the air and, when this variation meets criteria. predetermined, for example amplitude, derivative or second derivative criteria, said detector transmits a signal representative of a predetermined event detection to the monitoring station 100 via the wireless links 50-n. The automatic triggers trigger an alarm in response to the detection of a phenomenon representative of a predetermined event. Manual triggers for their part are able to be operated manually by a person discovering a predetermined event situation, for example a fire. In response to the trip, an alarm signal is transmitted to the monitoring station 100. In some embodiments of the invention an alarm signal may be signaled at the alarm triggering device.

Un dispositif de déclenchement d'alarme 200 pour le système de sécurité, selon un premier mode de réalisation de l'invention, est représenté schématiquement sur la figure 3. Le dispositif de déclenchement d'alarme dans ce mode de réalisation est un déclencheur manuel 200. Ce déclencheur manuel comprend une interface sans fil 210 pour relier le déclencheur manuel 200 à la centrale de surveillance 100 du système de sécurité au moyen de la liaison sans fil 50 ; un déclencheur mécanique 220 tel qu'un bouton poussoir ayant une ou deux positions d'équilibre stable pour permettre à un utilisateur de déclencher manuellement une alarme en cas d'événement prédéterminé par exemple un incendie ; une pile d'alimentation 230 pour alimenter le déclencheur manuel 200 ; un processeur de contrôle 240 constituant un détecteur de défaut 240 pour détecter un défaut de fonctionnement du déclencheur ; et un dispositif de signalisation 250 apte à signaler au niveau du déclencheur manuel 200 le défaut du fonctionnement du déclencheur manuel détecté par le détecteur de défaut 240. Le dispositif de signalisation 250 peut être agencé pour signaler au niveau du déclencheur manuel 200 un signal d'alarme lorsque le déclencheur 220 mécanique est déclenché en cas de défaut de fonctionnement. Dans un autre mode de réalisation un dispositif d'alarme peut être prévu dans le déclencheur manuel 200 pour générer un signal d'alarme en cas de défaut de fonctionnement lorsqu'un bouton de test est actionné.An alarm trigger device 200 for the security system, according to a first embodiment of the invention, is shown schematically on the figure 3 . The alarm triggering device in this embodiment is a manual trigger 200. This manual trigger includes a wireless interface 210 for connecting the manual trigger 200 to the security system central station 100 by means of the wireless link. 50; a mechanical release 220 such as a push button having one or two positions of stable equilibrium to allow a user to manually trigger an alarm in the event of a predetermined event for example a fire; a power supply 230 to power the manual release 200; a control processor 240 constituting a fault detector 240 for detecting a malfunction of the trigger; and a signaling device 250 capable of signaling, at the level of the manual trigger 200, the fault of the operation of the manual trigger detected by the fault detector 240. The signaling device 250 may be arranged to signal at the level of the manual trigger 200 a signal of alarm when the mechanical trigger 220 is triggered in case of malfunction. In another embodiment an alarm device may be provided in the manual trigger 200 to generate an alarm signal in the event of a malfunction when a test button is actuated.

Le détecteur de défaut 240 est raccordé à l'interface sans fil 210 et à la pile 230. Il est configuré de manière à permettre la détection d'une absence de communication sans fil avec la centrale de surveillance 100 et à détecter un défaut d'alimentation au déclencheur manuel à partir de la pile 230.The fault detector 240 is connected to the wireless interface 210 and to the battery 230. It is configured to detect a lack of wireless communication with the monitoring station 100 and to detect a fault. supply to the manual release from the battery 230.

À cet effet, le détecteur de défaut 240 peut être configuré de sorte à mesurer l'intensité du signal radio reçu de la centrale par l'intermédiaire de l'interface sans fil 50 et de la comparer avec un seuil d'intensité prédéterminée. Dans un autre mode de réalisation le détecteur de défaut 240 peut être configuré de sorte à mesurer le rapport signal sur bruit du signal radio reçu de la centrale par l'intermédiaire de l'interface sans fil 50 pour le comparer avec un seuil du rapport signal sur bruit prédéterminé. Dans un mode de réalisation particulier le détecteur de défaut peut être configuré pour envoyer un signal de test à la centrale de surveillance 100 et attendre un signal de réponse en provenance de la centrale 100 afin de vérifier la liaison sans fil 50. Une absence de réponse ou la réception d'un signal de réponse d'une intensité faible peut indiquer un défaut de liaison sans fil. Dans d'autres modes de réalisation, des signaux radio de communication peuvent être transmis de la centrale de surveillance 100 vers le déclencheur manuel d'une façon régulière. L'absence de détection de ces signaux ou la détection de signaux ayant une intensité faible peut déclencher les moyens de signalisation 250 pour générer un signal d'alarme de dysfonctionnement.For this purpose, the fault detector 240 may be configured to measure the intensity of the radio signal received from the control unit via the wireless interface 50 and to compare it with a predetermined intensity threshold. In another embodiment, the fault detector 240 may be configured to measure the signal-to-noise ratio of the radio signal received from the control unit via the wireless interface 50 to compare it with a threshold of the signal ratio. on predetermined noise. In a particular embodiment, the fault detector may be configured to send a test signal to the central monitoring station 100 and wait for a response signal from the central unit 100 to verify the wireless link 50. A lack of response or receiving a low intensity response signal may indicate a wireless link fault. In other embodiments, communication radio signals can be transmitted from the central monitoring station 100 to the manual trigger on a regular basis. The absence of detection of these signals or the detection of signals having a low intensity can trigger the signaling means 250 to generate a malfunction alarm signal.

Il est à noter que le dispositif décrit ci-dessus permet en outre de faciliter l'installation des dispositifs de déclenchement. En effet une fois la centrale installée, il est possible de positionner les dispositifs de déclenchement à des positions telles que les moyens de signalisation ne soient pas en alarme de dysfonctionnement. Par exemple s'ils sont agencés pour émettre un signal sonore sous forme d'impulsions à des fréquences de répétition d'autant plus faibles que la qualité de la liaison radio se dégrade, la personne qui assure la pose du dispositif de déclenchement a une information directement perceptible. Bien entendu il serait possible d'émettre les impulsions à des fréquences de répétition d'autant plus grandes que la qualité de la liaison radio se dégrade.It should be noted that the device described above also makes it easier to install the triggering devices. Indeed, once the plant is installed, it is possible to position the trigger devices at positions such that the signaling means are not malfunction alarm. For example, if they are arranged to emit a sound signal in the form of pulses at repetition frequencies which are all the lower as the quality of the radio link deteriorates, the person who inserts the triggering device has information directly noticeable. Of course, it would be possible to transmit the pulses at repetition frequencies which are all the greater as the quality of the radio link deteriorates.

De la même façon, le détecteur de défaut 240 peut être configuré de sorte à mesurer le niveau d'énergie restant dans la pile 230 pour le comparer avec un seuil prédéterminé. La mesure d'un niveau d'énergie inférieur au dit seuil indique un défaut de fonctionnement d'alimentation.In the same way, the fault detector 240 may be configured to measure the level of energy remaining in the cell 230 to compare it with a predetermined threshold. The measurement of a level of energy lower than said threshold indicates a malfunction of power supply.

Dans ce mode de réalisation, les moyens de signalisation 250 sont configurés pour générer des signalisations différentes en fonction du défaut de fonctionnement. Par exemple, les moyens de signalisation peuvent comprendre un premier voyant d'avertissement dédié à un défaut de communication et un deuxième voyant d'avertissement dédié à un défaut d'alimentation. Ainsi, l'émission d'un signal visible du premier voyant indique un défaut de communication et l'émission d'un signal visible du deuxième voyant indique un défaut d'alimentation. Dans des variantes, un seul voyant peut être configuré pour émettre des couleurs différentes en fonction du défaut de fonctionnement ou pour clignoter à des fréquences différentes en fonction du défaut de fonctionnement. Dans d'autres variantes, un signal sonore peut être émis par les moyens de signalisation pour avertir d'un défaut du fonctionnement. Des sons différents peuvent être émis en fonction du défaut du fonctionnement détecté ou la fréquence d'émission de ces sons peut varier en fonction du défaut de fonctionnement ou encore ces sons peuvent être émis sous forme d'impulsions à des fréquences de répétition dépendantes du défaut de fonctionnement.In this embodiment, the signaling means 250 are configured to generate different signaling depending on the malfunction. For example, the signaling means may comprise a first warning indicator dedicated to a communication fault and a second warning indicator dedicated to a power failure. Thus, the transmission of a signal visible from the first indicator indicates a communication fault and the emission of a signal visible from the second indicator indicates a power failure. In variants, a single indicator can be configured to emit different colors depending on the malfunction or to flash at different frequencies depending on the malfunction. In other variants, an audible signal may be emitted by the signaling means to warn of a malfunction. Different sounds may be emitted depending on the detected operating fault or the transmission frequency of these sounds may vary depending on the malfunction or these sounds may be transmitted as pulses at fault-dependent repetition frequencies. Operating.

Lorsque le détecteur de défaut 240 détecte une coupure de communication avec la centrale de surveillance 100 ou une diminution de l'intensité du signal de communication en-dessous du seuil de référence, le dispositif de signalisation 250 est mis en oeuvre de manière à signaler un défaut de communication et/ou un défaut d'alimentation au niveau du déclencheur manuel 200. Ainsi, une personne au voisinage du déclencheur manuel 200 sera alertée de l'état de dysfonctionnement du déclencheur manuel 200. Cela permettra le remplacement de la pile d'alimentation 230 ou la réparation du déclencheur manuel.When the fault detector 240 detects a communication break with the monitoring station 100 or a decrease in the intensity of the communication signal below the reference threshold, the signaling device 250 is implemented in such a way as to signal a communication failure and / or a power failure at the manual trip 200. Thus, a person in the vicinity of the manual release 200 will be alerted to the malfunction status of the manual release 200. This will allow the replacement of the battery of 230 power supply or manual trigger repair.

Pour éviter la mise en oeuvre du dispositif de signalisation en l'absence d'une personne dans son voisinage, ce qui pourrait consommer le peu d'énergie restant dans la pile, c'est dans le cas où la personne voudrait déclencher une alarme d'événement prédéterminé qu'elle serait informée que le déclencheur ne fonctionne pas et elle pourrait alors déclencher l'alarme par l'intermédiaire d'un autre déclencheur manuel ou autrement.To avoid the implementation of the signaling device in the absence of a person in his vicinity, which could consume the little energy remaining in the battery, it is in the case where the person would like to trigger an alarm of predetermined event that she would be informed that the trigger did not work and she could then trigger the alarm via another manual trigger or otherwise.

Selon l'invention, et également pour éviter la mise en oeuvre du dispositif de signalisation en l'absence d'une personne dans son voisinage, ce qui pourrait consommer le peu d'énergie restant dans la pile, le dispositif de déclenchement d'alarme est équipé d'un détecteur de présence et le dispositif de signalisation ne serait actionné qu'en présence de personnes au voisinage du déclencheur. Par exemple, le détecteur de présence peut comprendre un détecteur des rayons infrarouges en provenance d'un émetteur de rayons infrarouges associé. L'absence ou la diminution des rayons infrarouges en provenance de l'émetteur de rayons infrarouge indiqueraient la présence d'une ou plusieurs personnes. Dans un second exemple le détecteur de présence peut comprendre un détecteur des rayons infrarouges émis par la ou les personnes au voisinage du déclencheur du fait de leur température. L'apparition de ces rayons infrarouges indiquerait la présence d'une ou plusieurs personnes. Le détecteur de présence peut être intégré dans le dispositif de déclenchement d'alarme ou peut être un dispositif distinct du dispositif de déclenchement d'alarme et associé au dispositif de déclenchement d'alarme. Dans un troisième exemple le détecteur de présence peut comprendre un élément sensible à la pression d'un doigt, tel qu'un bouton poussoir, ou au toucher par un doigt, tel qu'une touche tactile.According to the invention, and also to avoid the implementation of the signaling device in the absence of a person in its vicinity, which could consume the little energy remaining in the battery, the alarm trigger device is equipped with a presence detector and the signaling device would be operated only in the presence of people in the vicinity of the trigger. For example, the presence detector may include an infrared ray detector from an associated infrared ray emitter. The absence or reduction of infrared rays from the infrared emitter would indicate the presence of one or more persons. In a second example, the presence detector may comprise an infrared ray detector emitted by the person or persons in the vicinity of the trigger because of their temperature. The appearance of these infrared rays would indicate the presence of one or more people. The presence detector may be integrated in the alarm triggering device or may be a separate device from the alarm triggering device and associated with the alarm triggering device. In a third example, the presence detector may include a finger-sensitive element, such as a push button, or finger-touch, such as a touch key.

Dans certains modes de réalisation, lorsqu'il y a encore un moyen de communiquer avec la centrale de surveillance, un signal d'alarme peut également être transmis à la centrale de surveillance 100 pour l'avertir directement du défaut de fonctionnement du déclencheur manuel 200.In some embodiments, when there is still a means of communicating with the central monitoring station, an alarm signal can also be transmitted to the central monitoring station 100 to directly warn of the malfunction of the manual release 200 .

Dans ce qui précède, et comme cela a déjà été indiqué, on a plus particulièrement décrit dans les modes de réalisation présentés des systèmes de détection d'incendie. Bien entendu la présente invention s'applique également aux autres systèmes de sécurité.In the foregoing, and as already indicated, fire detection systems have been described more particularly in the embodiments presented. Of course, the present invention also applies to other security systems.

Comme il va de soi et comme il résulte d'ailleurs déjà de ce qui précède, l'invention ne se limite nullement à ceux des modes d'applications et de réalisations qui ont été plus spécialement envisagés ; elle en embrasse au contraire toutes les variantes sans pour autant sortir du cadre de l'invention tel que défini par les revendications.It goes without saying and as it follows already from the above, the invention is not limited to those modes of applications and achievements that have been more specifically considered; it encompasses all variants without departing from the scope of the invention as defined by the claims.

Par exemple, bien que les modes de réalisations aient été décrits avec un déclencheur manuel, il sera compris que dans d'autres modes de réalisation de l'invention, les détecteurs d'événement prédéterminé automatiques peuvent être utilisés.For example, although the embodiments have been described with a manual trigger, it will be understood that in other embodiments of the invention, the automatic predetermined event detectors can be used.

Dans une autre variante de l'invention, la liaison radio entre un déclencheur et la centrale peut se faire en utilisant des déclencheurs intermédiaires, ce qui peut permettre la liaison radio même si la distance entre le déclencheur actionné et la centrale est trop grande pour permettre une liaison directe.In another variant of the invention, the radio link between a trigger and the central can be done using intermediate triggers, which can allow the radio link even if the distance between the trigger actuated and the central is too large to allow a direct connection.

Claims (14)

  1. Alarm triggering device (200) for a security system (10), the alarm triggering device (200) comprising
    an interface (210) arranged so as to connect the alarm triggering device (200) to a control unit of the security system (100) by means of a wireless connection (50);
    triggering means (220) to trigger an alarm in case a predefined event is detected;
    supply means (230) to enable the alarm triggering device (200) to be supplied with electricity from a power supply;
    means of detecting the presence of at least one person in the vicinity of the alarm triggering device (200)
    fault detection means (240) to detect an operating fault in the alarm triggering device; and
    signaling means (250) to signal the operating fault in the alarm triggering device (200) at the location of the alarm triggering device (200), wherein the detection means (240) are arranged so as to detect a communications fault between the alarm triggering device (200) and the control unit (100) by means of the wireless connection (50) and the signaling means (250) are arranged to signal said communications fault by a visible or audible alarm when the presence of at least one person is detected.
  2. Alarm triggering device (200) according to claim 1, wherein the detection means (240) are arranged so as to detect a fault in the power supply to the alarm triggering device (200) from the power source and the signaling means (250) are arranged to signal said power supply fault.
  3. Device according to either one of claims 1 or 2, wherein the fault detection means (240) are arranged so as to measure a parameter representative of the reception quality of a predefined radio verification signal coming from the security system control unit.
  4. Device according to claim 3, wherein the fault detection means (240) are arranged to measure the signal-to-noise ratio or the intensity of the predefined radio verification signal.
  5. Device according to any one of the claims 1 to 4, wherein the signaling means (250) are arranged so as to generate different signals depending on the type and/or magnitude of the operating fault.
  6. Alarm triggering device according to any one of claims 1 to 5, comprising in addition means of signaling the operating fault to the control unit (100).
  7. Alarm triggering device (200) according to any one of claims 1 to 6, wherein the triggering means (220) are arranged to allow a user to trigger an alarm manually if a predefined event occurs.
  8. Alarm triggering device (200) according to claim 7, wherein the signaling means (250) are arranged to signal the operating fault when a user manually triggers the alarm.
  9. Alarm triggering device according to claim 8, wherein the means of detecting persons comprise a detector of infrared rays from an infrared ray emitter associated with or from a person.
  10. Alarm triggering device according to any one of claims 1 to 9, comprising in addition a test triggering element sensitive to the pressure of a press by a person to trigger an operating fault detection.
  11. Alarm triggering device according to any one of claims 1 to 10, wherein the triggering means (220) to trigger an alarm in case a predefined event is detected are configured to detect a predefined event consisting in an intrusion and/or an operational malfunction in a technical facility.
  12. Alarm triggering device according to any one of claims 1 to 11, wherein the triggering means (220) to trigger an alarm in case a predefined event is detected are configured to detect a predefined event consisting in a fire.
  13. Alarm triggering device (200) according to claim 12, wherein the triggering means comprise a fire detector able to detect a phenomenon representative of a fire and automatically trigger an alarm in response to the detection of said phenomenon.
  14. Security system comprising at least one alarm triggering device (200) according to any one of claims 1 to 13 and a central monitoring station (100) able to be connected by means of a wireless connection (50) to said at least one alarm triggering device (200).
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WO2012131190A3 (en) 2012-12-20
US20140016480A1 (en) 2014-01-16
FR2973544A1 (en) 2012-10-05
ES2545518T3 (en) 2015-09-11
EP2678845A2 (en) 2014-01-01
WO2012131190A2 (en) 2012-10-04
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FR2973544B1 (en) 2013-11-15
EP2678845B1 (en) 2015-05-20

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