EP1296300B1 - Interactive method, device and system for operating a smoke producing anti-intrusion apparatus - Google Patents

Interactive method, device and system for operating a smoke producing anti-intrusion apparatus Download PDF

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Publication number
EP1296300B1
EP1296300B1 EP02292324A EP02292324A EP1296300B1 EP 1296300 B1 EP1296300 B1 EP 1296300B1 EP 02292324 A EP02292324 A EP 02292324A EP 02292324 A EP02292324 A EP 02292324A EP 1296300 B1 EP1296300 B1 EP 1296300B1
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EP
European Patent Office
Prior art keywords
monitoring station
time
remote monitoring
detection
delay capacitor
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EP02292324A
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German (de)
French (fr)
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EP1296300A1 (en
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José Saiz
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Mediaveil FVS
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Mediaveil FVS
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    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B15/00—Identifying, scaring or incapacitating burglars, thieves or intruders, e.g. by explosives
    • G08B15/02—Identifying, scaring or incapacitating burglars, thieves or intruders, e.g. by explosives with smoke, gas, or coloured or odorous powder or liquid

Definitions

  • the subject of the present invention is a method of setting of an intruder, in particular a smoke, by means of a local monitoring station. She also relates to an associated device and a system such a method.
  • a local monitoring station is called a item located in the buildings of a client under monitoring.
  • communication between the Remote monitoring site and monitoring station local is through the wired telephone network. So that this telephone link allows for surveillance at remote and interactive, it is nevertheless a parameter can not be controlled by the designers of this type of system. monitoring. Indeed, such a remote monitoring system is Dependent on the quality of operation of the line telephone. So when the phone line is disturbed, telemonitoring is severely handicapped and it is feared nuisance tripping device such than a fumigant.
  • the triggering of a Smoke is made from the remote site, by order under form of a DTMF (Dual Tone Multi Frequency) signal conveyed by the telephone line.
  • DTMF Dual Tone Multi Frequency
  • Inadvertent tripping of a fumigant may also intervene during a half duplex communication between an operator installed in the monitoring site remote and a person detected by the central local monitoring.
  • the operator sends DTMF signals to the local monitoring station for signal whether speech is being taken or not to manage the communication with the detected person.
  • DTMF signals can then be noisy and misinterpreted as a command of smoke induction.
  • Another nuisance tripping can still support when the central monitoring station, instead of being connected upstream of the customer's telephone line, is connected in parallel on any phone jack by example. So, in case of communication between the site of remote monitoring and the local monitoring station at following for example a detection in an isolated room, if at the same time the customer picks up his handset, this customer also enters into communication with the central local monitoring. Therefore, an involuntary support of this client on phone keys can match a smoke trip command.
  • Some electronic equipment may result in accidental tripping of smoke. Indeed, as a result of a power failure due for example to a storm, numerous electronic systems, when power is restored and during an awakening process, test all of its input and output ports. In the current state of the technique, this test may lead to accidental triggering of a smoke.
  • the present invention aims to remedy aforementioned drawbacks and to propose a trigger secure device such as a smoke.
  • Another object of the invention is to maintain a surveillance of premises despite strong disturbances of telephone line.
  • an operator located in the remote monitoring site wants to turn on the device, preferably a smoke generator, it must send two orders.
  • a first charge command of the capacity of delay then a second discharge command from the capacity equivalent to the start of smoke.
  • the time window can also be defined from so that the duration between the first and the second command is enough to load the capacity while not too long in order to avoid the burden of capacity becomes insufficient to trigger the smoke, this decrease in the load of the capacity being due to a natural discharge.
  • this resistance must have infinite value. Indeed, the triggering of a smoke is equivalent to cutting of a conductive filament disposed on a branch of a electrical circuit of the local monitoring station.
  • a device for starting a device that can be controlled by an electric shock.
  • This device intended for the implementation of the method according to the invention comprises a time delay capacity able to be loaded by a voltage power supply or discharge into the device.
  • This device which can be represented in the form of electronic card, can also include a relay playing a switch role to connect a first terminal of the time delay capability at the supply voltage to the device; a switch putting the second terminal of the delay capability to ground; and a unit of treatment (internal or external to the electronic card) for control the relay and the switch.
  • the processing unit is advantageously connected to the telephone line for example by means of a modem in order to receive instructions from a monitoring site remote.
  • Grounding by the switch can be realized when the first terminal of the timeout capability is connected to the supply voltage, the ability to delay can therefore be loaded for a period of time predetermined and controlled by the processing unit.
  • the device may further comprise a diode disposed between the second terminal of the delay capability and the mass to avoid the breakdown of a transistor playing a role switch.
  • a remote monitoring system implementing a method according to the invention.
  • This system therefore includes a site remote monitoring station and a local monitoring station equipped with control means of an anti-intrusion apparatus.
  • the control means include a time delay so that the intruder is activated in response to the less two successive instructions from the site of remote monitoring. These instructions can be transmitted via a wired telephone link or wireless link.
  • FIG. sees a remote monitoring site 1 connected to a local 3 at means of a telephone line 2.
  • a local monitoring station 4 capable of triggering a 8 in response to instructions from the site of remote monitoring 1 by means of buttons B1 and B2 by example.
  • the local monitoring center is notably equipped with a modem 5 providing the connection with the line telephone 2, a processing unit 6 driving the different ports of entry and exit of this central local monitoring.
  • An additional electronic card 7 is located on the local monitoring station 4 and connected to the processing unit 6. This electronic card 7 is the device for triggering the smoke 8 by timing according to the invention.
  • FIG 2 is shown in more detail this electronic card according to the invention.
  • timeout capability 9 capable of being loaded by a 11 volt DC voltage via a load resistor 15.
  • an operator installed in the site of remote monitoring 1 receives a presence information of a intruded by detectors (not shown) connected to the local monitoring station 4, this operator can judge necessary to trigger the fumigant 8. To do so, it first press the first button B1. Pressing on B1 switch relay 10 on the charging voltage 11 as well as switch 12 to ground. The delay capability 9 then charges up to a voltage of 12 volts. Time to load can be predetermined and managed by the unit of 6. Therefore, the support on B1 can for example be impulse with load time management by the unit of treatment or sustained for about five seconds (managed by the operator).
  • the processing unit 6 opens the switch 12.
  • This charging time can be, for example, 5 seconds. Then, naturally, the ability to delay 9 is discharged via the resistor 14. moment the smoke 8 is still not triggered. For ensure that this fumigant is triggered, the operator must press the B2 button before the delay capability 9 does not reach an insufficient load at the initiation of smoke 8.
  • Pressing B2 switches relay 10 so that that the delay capability 9 is discharged via the smoke 8 and the diode 17.
  • This diode 17 makes it possible to protect a transistor playing the role of the switch 12 in case this switch would be grounded and relay 10 to Smoke 8.
  • This fumigant is fired when traversed for at least 4 milli-seconds with a current of 1.5 amps. It is equivalent to a resistance of 1.6 ⁇ which is cut when triggered. Therefore the operator can check that the trigger actually happened when the branch containing the smoke has a resistance infinite. This verification is carried out by the treatment 6 via diode 16.
  • the triggering of the smoke therefore requires a double intentional action. Moreover, the duration between the two actions can not exceed a certain predetermined time, in which case the second action on the B2 button will have no effect.
  • FIG. 3 illustrates a device for detecting telephone line cut-off integrated into a telesurveillance via the telephone line 2.
  • the detection device 18 comprises a rectifier 19 to straighten the voltage of the telephone line 2 to load a capacitance 21 through a resistor 20 of 10 M ⁇ for example.
  • a switch 22 makes it possible to download periodically the capacitor 21 on an optical transmitter 23.
  • the switch 22 allows the capacitor 21 to charge about 3 minutes for example.
  • the optical transmitter 23 transmits an optical signal to the optical receiver 24.
  • a sufficient load of capacity 21 equals sufficient voltage in the line phone, so to a good functioning of this line.
  • the optical receiver 24 In normal operation, the optical receiver 24 generates a signal towards the processing unit 6. the processing unit 6, this signal must come to him regular. In case of absence of this signal during a period predetermined time of several minutes, the processing unit 6 interpret this absence as a line break telephone or strong disturbances of this line of such way that it is unusable. That's when the power station local monitoring 4 enters operating mode autonomous.
  • This autonomous operation can be implemented in various ways by programming the unit of treatment 6 for example.
  • the central monitoring local time when the central monitoring local time enters autonomous mode, it emits an audible for 3 minutes and displays on a display screen the following message "phone line cut off, please enter the password. "During this stand-alone mode, only certain parts can be monitored.
  • the autonomous monitoring center detects the presence of a intruder in such a room, it automatically triggers the Smoke. This trigger can be done by a double command when it comes to a trigger with timing according to the invention, or directly when the fumigant is not associated with a device delay.
  • FIG. 4 we see a non-limiting example of a new line break detection device.
  • This device comprises two branches 25 and 26 connected to the lines telephone. These branches contain a zener diode imposing a voltage of 12 volts. These branches end with two photocouplers 28 and 29. It also includes two NE555 circuits. The first is used as a circuit astable 30 to test the state of the phone line (cut or not) via the photo-coupler 28. The astable 30 allows to test every two seconds for example the presence of 12 volts on branches 25 and 26.
  • the second circuit NE555 is used as a monostable circuit 31. This detector accepts an alarm signal 32. This signal is active when the local monitoring station detects an intruder. The circuit is such that micro-cuts are not taken into account and the telephone line is not disturbed.
  • the output of this detector drives a thyristor 33 when the alarm 32 is active and when the line is cut off. In this case, the ignition of the fumigant 8 is directly operated.
  • the electronic circuit 7 has been modified.
  • the switch 10 of FIG. has been replaced by thyristor 33 as shown in the figure 4.
  • RAZ reset ports can be used NE555 circuits so as to inhibit the cut-off detection of line.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Alarm Systems (AREA)
  • Air Conditioning Control Device (AREA)
  • Management, Administration, Business Operations System, And Electronic Commerce (AREA)
  • Selective Calling Equipment (AREA)
  • Control Of Positive-Displacement Air Blowers (AREA)
  • Telephonic Communication Services (AREA)
  • Catching Or Destruction (AREA)
  • Burglar Alarm Systems (AREA)

Abstract

A capacity is charged over a predetermined interval. The capacity is discharged slowly and spontaneously over an interval. Control is carried out in a time window during which the charge is sufficient to initiate the apparatus. An Independent claim is included for corresponding equipment and a method of remote surveillance incorporating the method.

Description

La présente invention a pour objet un procédé de mise en marche d'un appareil anti-intrusion, en particulier un fumigène, au moyen d'une centrale de surveillance locale. Elle concerne également un dispositif associé et un système mettant en oeuvre un tel procédé.The subject of the present invention is a method of setting of an intruder, in particular a smoke, by means of a local monitoring station. She also relates to an associated device and a system such a method.

Elle trouve une application particulièrement intéressante dans le domaine de la télésurveillance à distance. Aussi bien dans le secteur résidentiel que professionnel, on connaít de nombreux systèmes destinés à sécuriser des bâtiments. Les anciens systèmes permettaient la détection d'un intrus dans les locaux puis uniquement le déclenchement d'une sirène d'alarme. La plupart des systèmes actuels intègre dans les locaux un système d'interphonie comprenant micro et haut-parleur reliés à un site de surveillance distant. Dans ces systèmes, lorsqu'on détecte une intrusion, un opérateur localisé dans le site de surveillance distant écoute et/ou visualise les locaux en question puis interpelle si nécessaire l'intrus en lui demandant un mot de passe, puis déclenche un fumigène le cas échéant. Le fumigène provoque un brouillard épais non toxique et non salissant obligeant l'intrus à prendre fuite.It finds a particular application interesting in the field of telemonitoring to distance. In the residential sector as well as professional, we know many systems intended to secure buildings. The old systems allowed the detection of an intruder in the premises and then only the triggering an alarm siren. Most systems current integrates into the premises an intercom system including microphone and speaker connected to a site of remote monitoring. In these systems, when you detect a intrusion, an operator located in the surveillance site remote listens and / or visualizes the premises in question then interpellate the intruder if necessary by asking him a word of passes, then triggers a smoke alarm if necessary. The smoke causes a thick fog nontoxic and not messy forcing the intruder to flee.

On appelle par centrale de surveillance locale, un élément localisé dans les bâtiments d'un client sous surveillance. D'une façon générale, la communication entre le site de surveillance distant et la centrale de surveillance locale se fait au moyen du réseau téléphonique filaire. Alors que cette liaison téléphonique autorise une surveillance à distance et interactive, elle constitue cependant un paramètre non maítrisable par les concepteurs de ce type de système de surveillance. En effet, un tel système de télésurveillance est tributaire de la qualité de fonctionnement de la ligne téléphonique. Ainsi, lorsque la ligne téléphonique est perturbée, la télésurveillance est fortement handicapée et l'on craint des déclenchements intempestifs d'appareil tel qu'un fumigène. D'une façon générale, le déclenchement d'un fumigène s'effectue depuis le site distant, par commande sous forme d'un signal DTMF (Dual Tone Multi Frequency) véhiculé par la ligne téléphonique.A local monitoring station is called a item located in the buildings of a client under monitoring. In general, communication between the Remote monitoring site and monitoring station local is through the wired telephone network. So that this telephone link allows for surveillance at remote and interactive, it is nevertheless a parameter can not be controlled by the designers of this type of system. monitoring. Indeed, such a remote monitoring system is Dependent on the quality of operation of the line telephone. So when the phone line is disturbed, telemonitoring is severely handicapped and it is feared nuisance tripping device such than a fumigant. In general, the triggering of a Smoke is made from the remote site, by order under form of a DTMF (Dual Tone Multi Frequency) signal conveyed by the telephone line.

Le déclenchement intempestif d'un fumigène peut également intervenir lors d'une communication en half duplex entre un opérateur installé dans le site de surveillance distant et une personne détectée par la centrale de surveillance locale. Dans ce cas, l'opérateur envoie des signaux DTMF vers la centrale de surveillance locale pour signaler la prise ou non de la parole afin de gérer la communication avec la personne détectée. Or, lorsque l'environnement est bruyant, les signaux DTMF peuvent alors être bruités et mal interprétés comme une commande de déclenchement de fumigène.Inadvertent tripping of a fumigant may also intervene during a half duplex communication between an operator installed in the monitoring site remote and a person detected by the central local monitoring. In this case, the operator sends DTMF signals to the local monitoring station for signal whether speech is being taken or not to manage the communication with the detected person. When the environment is noisy, DTMF signals can then be noisy and misinterpreted as a command of smoke induction.

Un autre déclenchement intempestif peut encore subvenir lorsque la centrale de surveillance, au lieu d'être branchée en amont de la ligne téléphonique chez le client, est branchée en parallèle sur une quelconque prise téléphonique par exemple. Alors, en cas de communication entre le site de surveillance distant et la centrale de surveillance locale à la suite par exemple d'une détection dans une pièce isolée, si au même moment le client décroche son combiné téléphonique, ce client entre également en communication avec la centrale de surveillance locale. Par conséquent, un appui involontaire de ce client sur des touches téléphoniques peut correspondre à une commande de déclenchement de fumigène.Another nuisance tripping can still support when the central monitoring station, instead of being connected upstream of the customer's telephone line, is connected in parallel on any phone jack by example. So, in case of communication between the site of remote monitoring and the local monitoring station at following for example a detection in an isolated room, if at the same time the customer picks up his handset, this customer also enters into communication with the central local monitoring. Therefore, an involuntary support of this client on phone keys can match a smoke trip command.

Certains équipements électroniques peuvent entraíner un déclenchement intempestif du fumigène. En effet, à la suite d'une coupure de courant due par exemple à une tempête, de nombreux systèmes électroniques, à la remise du courant et au cours d'un processus de réveil, testent l'ensemble de ses ports d'entrées et de sorties. Dans l'état actuel de la technique, ce test peut entraíner le déclenchement accidentel d'un fumigène.Some electronic equipment may result in accidental tripping of smoke. Indeed, as a result of a power failure due for example to a storm, numerous electronic systems, when power is restored and during an awakening process, test all of its input and output ports. In the current state of the technique, this test may lead to accidental triggering of a smoke.

La présente invention a pour but de remédier aux inconvénients précités et de proposer un déclenchement sécurisé d'un appareil tel qu'un fumigène. The present invention aims to remedy aforementioned drawbacks and to propose a trigger secure device such as a smoke.

Un autre but de l'invention est de maintenir une surveillance des locaux malgré des fortes perturbations de la ligne téléphonique.Another object of the invention is to maintain a surveillance of premises despite strong disturbances of telephone line.

On atteint les objectifs précités avec un procédé de mise en marche d'un appareil anti-intrusion pouvant être commandé par une décharge électrique au moyen d'une centrale de surveillance.The above objectives are achieved with a method of start-up of an anti-intrusion device that can be controlled by an electric discharge by means of a central monitoring.

Selon l'invention, ce procédé présente deux étapes :

  • une première étape au cours de laquelle on charge une capacité de temporisation pendant une durée prédéterminée ; et
  • une seconde étape au cours de laquelle on commande la décharge effective de la capacité de temporisation dans l'appareil. On utilise avantageusement la décharge naturelle de la capacité de temporisation pour définir une fenêtre temporelle dans laquelle on peut réaliser la commande de la charge de la capacité de temporisation, cette fenêtre temporelle étant telle que la décharge est suffisante pour mettre en marche l'appareil.
According to the invention, this method has two steps:
  • a first step during which a delay capacity is loaded for a predetermined duration; and
  • a second step during which the effective discharge of the delay capacity in the apparatus is controlled. Advantageously, the natural discharge of the delay capacitance is used to define a time window in which the charge of the delay capacity can be controlled, this time window being such that the discharge is sufficient to start the apparatus.

En d'autres termes, lorsqu'un opérateur situé dans le site de surveillance à distance désire mettre en marche l'appareil, de préférence un fumigène, il lui faut envoyer deux commandes. Une première commande de charge de la capacité de temporisation, puis une deuxième commande de décharge de la capacité équivalent au déclenchement du fumigène.In other words, when an operator located in the remote monitoring site wants to turn on the device, preferably a smoke generator, it must send two orders. A first charge command of the capacity of delay, then a second discharge command from the capacity equivalent to the start of smoke.

La fenêtre temporelle peut également être définie de telle sorte que la durée entre la première et la seconde commande est suffisante pour charger la capacité tout en n'étant pas trop longue afin d'éviter que la charge de la capacité ne devienne insuffisante au déclenchement du fumigène, cette décroissance de la charge de la capacité étant due à une décharge naturelle.The time window can also be defined from so that the duration between the first and the second command is enough to load the capacity while not too long in order to avoid the burden of capacity becomes insufficient to trigger the smoke, this decrease in the load of the capacity being due to a natural discharge.

Avec un tel procédé, on évite tout risque de déclenchement intempestif d'un fumigène puisque ce déclenchement est conditionné par deux actions intentionnelles.With such a process, there is no risk of inadvertent tripping of smoke since this trigger is conditioned by two actions intentional.

Selon une caractéristique avantageuse de l'invention, on commande la charge et la décharge de la capacité de temporisation à partir du site de surveillance distant via un réseau téléphonique au moyen de deux boutons de commande distincts.According to an advantageous characteristic of the invention, controls the charging and discharging of the ability to timeout from the remote monitoring site via a telephone network by means of two control buttons distinct.

Pour vérifier que le fumigène s'est bien déclenché, on mesure la résistance de la branche sur laquelle était placé le fumigène, cette résistance doit présenter une valeur infinie. En effet, le déclenchement d'un fumigène est équivalent à la coupure d'un filament conducteur disposé sur une branche d'un circuit électrique de la centrale de surveillance locale.To verify that the smoke has tripped well, measure the resistance of the branch on which was placed the smoke, this resistance must have infinite value. Indeed, the triggering of a smoke is equivalent to cutting of a conductive filament disposed on a branch of a electrical circuit of the local monitoring station.

Par ailleurs afin de limiter les risques de perturbations de la ligne téléphonique entre le site de surveillance distant et la centrale de surveillance locale, on prévoit un procédé pour détecter une coupure de la ligne téléphonique. Ce procédé comprend les étapes suivantes :

  • détection par la centrale de surveillance d'une coupure de la ligne téléphonique reliant le site de surveillance distant à la centrale de surveillance locale, et
  • mise en route d'un fonctionnement autonome de la centrale de surveillance.
Moreover, in order to limit the risks of disturbance of the telephone line between the remote monitoring site and the local monitoring station, a method is provided for detecting a break in the telephone line. This process comprises the following steps:
  • detection by the central monitoring station of a cut of the telephone line connecting the remote monitoring site to the local monitoring station, and
  • commissioning of an autonomous operation of the central monitoring station.

A titre d'exemple, le fonctionnement autonome de la centrale de surveillance locale peut consister à :

  • émettre un signal sonore pendant une durée prédéterminée,
  • signaler par un moyen d'affichage la coupure de la ligne téléphonique, et
  • mettre en route l'appareil en réponse à des consignes particulières prédéterminées. Ces consignes particulières prédéterminées peuvent être la détection d'un intrus dans une pièce donnée. Pratiquement, ces consignes sont pré-établies sous forme de paramétrage ou programmation de la centrale de surveillance locale.
For example, the autonomous operation of the local monitoring station may consist of:
  • sound a tone for a predetermined time,
  • signaling by means of display the cutting of the telephone line, and
  • turn on the device in response to predetermined specific instructions. These particular predetermined instructions can be the detection of an intruder in a given room. In practice, these instructions are pre-established in the form of parameterization or programming of the local monitoring station.

Ainsi, même à la suite d'une coupure de la ligne téléphonique volontaire ou non, les locaux restent tout de même sous surveillance puisque la centrale de surveillance locale fonctionne de façon autonome. Toute détection suspecte est susceptible de déclencher une action telle un déclenchement de fumigène.So, even after a break in the line voluntary telephone or not, the premises remain all of even under surveillance since the central monitoring local works independently. Any suspicious detection is likely to trigger an action such a smoke induction.

Selon un autre aspect de l'invention, il est proposé un dispositif pour la mise en marche d'un appareil pouvant être commandé par une décharge électrique. Ce dispositif, destiné à la mise en oeuvre du procédé selon l'invention, comprend une capacité de temporisation apte à être chargée par une tension d'alimentation ou à se décharger dans l'appareil.According to another aspect of the invention, it is proposed a device for starting a device that can be controlled by an electric shock. This device, intended for the implementation of the method according to the invention comprises a time delay capacity able to be loaded by a voltage power supply or discharge into the device.

Ce dispositif, qui peut être représenté sous forme de carte électronique, peut également comprendre un relais jouant un rôle de commutateur pour connecter une première borne de la capacité de temporisation soit à la tension d'alimentation soit à l'appareil; un interrupteur mettant la seconde borne de la capacité de temporisation à la masse; et une unité de traitement (interne ou externe à la carte électronique) pour commander le relais et l'interrupteur.This device, which can be represented in the form of electronic card, can also include a relay playing a switch role to connect a first terminal of the time delay capability at the supply voltage to the device; a switch putting the second terminal of the delay capability to ground; and a unit of treatment (internal or external to the electronic card) for control the relay and the switch.

L'unité de traitement est avantageusement reliée à la ligne téléphonique par exemple au moyen d'un modem afin de recevoir des consignes provenant d'un site de surveillance distant.The processing unit is advantageously connected to the telephone line for example by means of a modem in order to receive instructions from a monitoring site remote.

La mise à la masse par l'interrupteur peut être réalisée lorsque la première borne de la capacité de temporisation est connectée à la tension d'alimentation, la capacité de temporisation peut donc se charger pendant une durée prédéterminée et contrôlée par l'unité de traitement.Grounding by the switch can be realized when the first terminal of the timeout capability is connected to the supply voltage, the ability to delay can therefore be loaded for a period of time predetermined and controlled by the processing unit.

De préférence on dispose une résistance en parallèle de la capacité de temporisation afin d'assurer la décharge naturelle.Preferably there is a parallel resistance of the delay ability to ensure the discharge natural.

Le dispositif peut encore comprendre une diode disposée entre la seconde borne de la capacité de temporisation et la masse afin d'éviter le claquage d'un transistor jouant un rôle d'interrupteur.The device may further comprise a diode disposed between the second terminal of the delay capability and the mass to avoid the breakdown of a transistor playing a role switch.

Suivant encore un autre aspect de l'invention, il est proposé un système de surveillance à distance mettant en oeuvre un procédé selon l'invention. Ce système comprend donc un site de surveillance distant et une centrale de surveillance locale dotée de moyens de commande d'un appareil anti-intrusion. Les moyens de commande comprennent une temporisation de sorte que l'appareil anti-intrusion est mis en marche en réponse à au moins deux consignes successives provenant du site de surveillance distant. Ces consignes peuvent transiter via une liaison téléphonique filaire ou une liaison sans fil. According to yet another aspect of the invention, it is proposed a remote monitoring system implementing a method according to the invention. This system therefore includes a site remote monitoring station and a local monitoring station equipped with control means of an anti-intrusion apparatus. The control means include a time delay so that the intruder is activated in response to the less two successive instructions from the site of remote monitoring. These instructions can be transmitted via a wired telephone link or wireless link.

Lorsqu'il s'agit d'une liaison téléphonique filaire, le système selon l'invention comprend de préférence des moyens de détection de coupures de la ligne téléphonique, ces moyens étant disposés en parallèle de la centrale de surveillance locale. Avantageusement, ces moyens de détection peuvent comprendre :

  • des moyens de redressement pour redresser la tension provenant de la ligne téléphonique reliant le site de surveillance distant à la centrale de surveillance locale,
  • une capacité de détection pour se charger via la tension redressée,
  • un interrupteur pour relier de façon périodique la capacité de détection à un circuit optoélectronique,
  • ce circuit optoélectronique comprenant un émetteur optique pour émettre un signal optique lorsque la charge provenant de la capacité de détection dépasse un seuil prédéterminé, et
  • ce circuit optoélectronique comprenant également un récepteur optique connecté à la centrale de surveillance.
In the case of a wired telephone link, the system according to the invention preferably comprises means for detecting breaks in the telephone line, these means being arranged in parallel with the local monitoring station. Advantageously, these detection means may comprise:
  • rectifying means for rectifying the voltage from the telephone line connecting the remote monitoring site to the local monitoring station,
  • a detection capacitance for charging via the rectified voltage,
  • a switch for periodically connecting the detection capacitance to an optoelectronic circuit,
  • said optoelectronic circuit comprising an optical transmitter for transmitting an optical signal when the charge from the detection capacitance exceeds a predetermined threshold, and
  • this optoelectronic circuit also comprising an optical receiver connected to the central monitoring station.

D'autres avantages et caractéristiques de l'invention apparaítront à l'examen de la description détaillée d'un mode de mise en oeuvre nullement limitatif, et des dessins annexés, sur lesquels :

  • la figure 1 est une vue d'ensemble schématique d'un système de télésurveillance selon l'invention ;
  • la figure 2 est une vue schématique d'une carte électronique pour la mise en marche par temporisation d'un fumigène selon l'invention ;
  • la figure 3 est une vue schématique d'un dispositif de détection de coupure d'une ligne téléphonique, ce dispositif étant relié en parallèle d'une centrale de surveillance locale;
  • la figure 4 est un schéma fonctionnel de mise en oeuvre d'un dispositif de détection de coupure de ligne téléphonique.
Other advantages and characteristics of the invention will appear on examining the detailed description of an embodiment which is in no way limitative, and the appended drawings, in which:
  • Figure 1 is a schematic overview of a remote monitoring system according to the invention;
  • FIG. 2 is a schematic view of an electronic card for starting a smoke generator according to the invention;
  • FIG. 3 is a diagrammatic view of a device for detecting the interruption of a telephone line, this device being connected in parallel with a local monitoring station;
  • Figure 4 is a block diagram of implementation of a telephone line cutoff detection device.

En se référant plus particulièrement à la figure 1, on voit un site de surveillance distant 1 relié à un local 3 au moyen d'une ligne téléphonique 2. Dans ce local est disposée une centrale de surveillance locale 4 apte à déclencher un fumigène 8 en réponse à des consignes provenant du site de surveillance distant 1 au moyen des boutons B1 et B2 par exemple. La centrale de surveillance locale est notamment munie d'un modem 5 assurant la connexion avec la ligne téléphonique 2, d'une unité de traitement 6 pilotant les différents ports d'entrée et de sortie de cette centrale de surveillance locale. Une carte électronique additionnelle 7 est disposée sur la centrale de surveillance locale 4 et reliée à l'unité de traitement 6. Cette carte électronique 7 est le dispositif de déclenchement du fumigène 8 par temporisation selon l'invention.Referring more particularly to FIG. sees a remote monitoring site 1 connected to a local 3 at means of a telephone line 2. In this room is arranged a local monitoring station 4 capable of triggering a 8 in response to instructions from the site of remote monitoring 1 by means of buttons B1 and B2 by example. The local monitoring center is notably equipped with a modem 5 providing the connection with the line telephone 2, a processing unit 6 driving the different ports of entry and exit of this central local monitoring. An additional electronic card 7 is located on the local monitoring station 4 and connected to the processing unit 6. This electronic card 7 is the device for triggering the smoke 8 by timing according to the invention.

Sur la figure 2 est représentée plus en détail cette carte électronique selon l'invention. On distingue une capacité de temporisation 9 capable d'être chargée par une tension continue 11 de 12 volts via une résistance de charge 15. Ainsi, lorsqu'un opérateur installé dans le site de surveillance distant 1 reçoit une information de présence d'un intrus par des détecteurs (non représentés) reliés à la centrale de surveillance locale 4, cet opérateur peut juger nécessaire de déclencher le fumigène 8. Pour se faire, il appuie d'abord sur le premier bouton B1. L'appui sur B1 commute le relais 10 sur la tension de charge 11 ainsi que l'interrupteur 12 à la masse. La capacité de temporisation 9 se charge alors jusqu'à une tension de 12 volts. Le temps de charge peut être prédéterminé et géré par l'unité de traitement 6. De ce fait, l'appui sur B1 peut par exemple être impulsionnel avec gestion du temps de charge par l'unité de traitement ou soutenu pendant environ cinq secondes (géré par l'opérateur). Lorsque la capacité de temporisation est suffisamment chargée, l'unité de traitement 6 ouvre l'interrupteur 12. Ce temps de charge peut être par exemple de 5 secondes. Ensuite, de façon naturelle, la capacité de temporisation 9 se décharge via la résistance 14. A cet instant le fumigène 8 n'est toujours pas déclenché. Pour assurer le déclenchement de ce fumigène, l'opérateur doit actionner le bouton B2 avant que la capacité de temporisation 9 n'atteigne une charge insuffisante au déclenchement du fumigène 8.In Figure 2 is shown in more detail this electronic card according to the invention. We distinguish timeout capability 9 capable of being loaded by a 11 volt DC voltage via a load resistor 15. Thus, when an operator installed in the site of remote monitoring 1 receives a presence information of a intruded by detectors (not shown) connected to the local monitoring station 4, this operator can judge necessary to trigger the fumigant 8. To do so, it first press the first button B1. Pressing on B1 switch relay 10 on the charging voltage 11 as well as switch 12 to ground. The delay capability 9 then charges up to a voltage of 12 volts. Time to load can be predetermined and managed by the unit of 6. Therefore, the support on B1 can for example be impulse with load time management by the unit of treatment or sustained for about five seconds (managed by the operator). When the timeout capability is sufficiently loaded, the processing unit 6 opens the switch 12. This charging time can be, for example, 5 seconds. Then, naturally, the ability to delay 9 is discharged via the resistor 14. moment the smoke 8 is still not triggered. For ensure that this fumigant is triggered, the operator must press the B2 button before the delay capability 9 does not reach an insufficient load at the initiation of smoke 8.

L'appui sur B2 permet de commuter le relais 10 de sorte que la capacité de temporisation 9 se décharge via le fumigène 8 et la diode 17. Cette diode 17 permet de protéger un transistor jouant le rôle de l'interrupteur 12 au cas où cet interrupteur serait relié à la masse et le relais 10 au fumigène 8. Ce fumigène est déclenché lorsqu'il est traversé pendant au moins 4 milli-secondes par un courant de 1,5 ampères. Il est équivalent à une résistance de 1,6 Ù qui se coupe lorsque déclenché. Par conséquent l'opérateur peut vérifier que le déclenchement s'est réellement passé lorsque la branche contenant le fumigène présente une résistance infinie. Cette vérification est réalisée par l'unité de traitement 6 via la diode 16.Pressing B2 switches relay 10 so that that the delay capability 9 is discharged via the smoke 8 and the diode 17. This diode 17 makes it possible to protect a transistor playing the role of the switch 12 in case this switch would be grounded and relay 10 to Smoke 8. This fumigant is fired when traversed for at least 4 milli-seconds with a current of 1.5 amps. It is equivalent to a resistance of 1.6 Ù which is cut when triggered. Therefore the operator can check that the trigger actually happened when the branch containing the smoke has a resistance infinite. This verification is carried out by the treatment 6 via diode 16.

Le déclenchement du fumigène nécessite donc une double action intentionnelle. Par ailleurs, la durée entre les deux actions ne peut pas dépasser un certain temps prédéterminé, auquel cas la deuxième action sur le bouton B2 n'aura aucun effet.The triggering of the smoke therefore requires a double intentional action. Moreover, the duration between the two actions can not exceed a certain predetermined time, in which case the second action on the B2 button will have no effect.

La figure 3 illustre un dispositif de détection de coupure de ligne téléphonique intégré dans un système de télésurveillance via la ligne téléphonique 2. On retrouve ici la ligne téléphonique 2 reliée à la centrale de surveillance locale 4. Le dispositif de détection 18 comprend un redresseur 19 permettant de redresser la tension de la ligne téléphonique 2 afin de charger une capacité 21 à travers une résistance 20 de 10 MÙ par exemple. Un interrupteur 22 permet deécharger de façon périodique la capacité 21 sur un émetteur optique 23. L'interrupteur 22 permet à la capacité 21 de se charger environ pendant 3 minutes par exemple. Lorsque cet interrupteur est fermé, si la charge de la capacité 21 est suffisante, l'émetteur optique 23 émet un signal optique vers le récepteur optique 24. Une charge suffisante de la capacité 21 équivaut à une tension suffisante dans la ligne téléphonique, donc à un bon fonctionnement de cette ligne.FIG. 3 illustrates a device for detecting telephone line cut-off integrated into a telesurveillance via the telephone line 2. We find here the telephone line 2 connected to the central monitoring station 4. The detection device 18 comprises a rectifier 19 to straighten the voltage of the telephone line 2 to load a capacitance 21 through a resistor 20 of 10 MÙ for example. A switch 22 makes it possible to download periodically the capacitor 21 on an optical transmitter 23. The switch 22 allows the capacitor 21 to charge about 3 minutes for example. When this switch is closed, if the load of capacity 21 is sufficient, the optical transmitter 23 transmits an optical signal to the optical receiver 24. A sufficient load of capacity 21 equals sufficient voltage in the line phone, so to a good functioning of this line.

En fonctionnement normal, le récepteur optique 24 génère un signal en direction de l'unité de traitement 6. Pour l'unité de traitement 6, ce signal doit lui parvenir de façon régulière. En cas d'absence de ce signal pendant une durée prédéterminée de plusieurs minutes, l'unité de traitement 6 interprète cette absence comme une coupure de ligne téléphonique ou fortes perturbations de cette ligne de telle façon qu'elle est inutilisable. C'est alors que la centrale de surveillance locale 4 entre en mode de fonctionnement autonome. Ce fonctionnement autonome peut être mis en oeuvre de diverses manières par programmation de l'unité de traitement 6 par exemple.In normal operation, the optical receiver 24 generates a signal towards the processing unit 6. the processing unit 6, this signal must come to him regular. In case of absence of this signal during a period predetermined time of several minutes, the processing unit 6 interpret this absence as a line break telephone or strong disturbances of this line of such way that it is unusable. That's when the power station local monitoring 4 enters operating mode autonomous. This autonomous operation can be implemented in various ways by programming the unit of treatment 6 for example.

A titre d'exemple, lorsque la centrale de surveillance locale entre en mode autonome, elle émet un signal sonore pendant 3 minutes et affiche sur un écran d'affichage le message suivant "ligne téléphonique coupée, veuillez entrer le mot de passe". Au cours de ce mode autonome, seules certaines pièces peuvent faire l'objet d'une surveillance. Lorsque la centrale de surveillance autonome détecte la présence d'un intrus dans une telle pièce, elle déclenche automatiquement le fumigène. Ce déclenchement peut se faire par une double commande lorsqu'il s'agit d'un déclenchement avec temporisation selon l'invention, ou de façon directe lorsque le fumigène n'est pas associé à un dispositif de temporisation.For example, when the central monitoring local time enters autonomous mode, it emits an audible for 3 minutes and displays on a display screen the following message "phone line cut off, please enter the password. "During this stand-alone mode, only certain parts can be monitored. When the autonomous monitoring center detects the presence of a intruder in such a room, it automatically triggers the Smoke. This trigger can be done by a double command when it comes to a trigger with timing according to the invention, or directly when the fumigant is not associated with a device delay.

Sur la figure 4 on voit un exemple non limitatif d'un nouveau dispositif de détection de coupure de ligne. Ce dispositif comprend deux branches 25 et 26 reliées aux lignes téléphoniques. Ces branches renferment une diode zener imposant une tension de 12volts. Ces branches se terminent par deux photo-coupleurs 28 et 29. Il comprend également deux circuits NE555. Le premier est utilisé en tant qu'un circuit astable 30 pour tester l'état de la ligne téléphonique (coupure ou non) via le photo-coupleur 28. L'astable 30 permet de tester toutes les deux secondes par exemple la présence de 12 volts sur les branches 25 et 26. Le deuxième circuit NE555 est utilisé en tant qu'un circuit monostable 31. Ce détecteur accepte un signal d'alarme 32. Ce signal est actif lorsque la centrale de surveillance locale détecte un intrus. Le circuit est tel que les micro-coupures ne sont pas pris en compte et la ligne téléphonique n'est pas perturbée.In Figure 4 we see a non-limiting example of a new line break detection device. This device comprises two branches 25 and 26 connected to the lines telephone. These branches contain a zener diode imposing a voltage of 12 volts. These branches end with two photocouplers 28 and 29. It also includes two NE555 circuits. The first is used as a circuit astable 30 to test the state of the phone line (cut or not) via the photo-coupler 28. The astable 30 allows to test every two seconds for example the presence of 12 volts on branches 25 and 26. The second circuit NE555 is used as a monostable circuit 31. This detector accepts an alarm signal 32. This signal is active when the local monitoring station detects an intruder. The circuit is such that micro-cuts are not taken into account and the telephone line is not disturbed.

La sortie de ce détecteur commande un thyristor 33 lorsque l'alarme 32 est active et lorsque la ligne est coupée. Dans ce cas, le déclenchement du fumigène 8 est directement opéré. Dans ce mode de réalisation, le circuit électronique 7 a subit une modification. L'interrupteur 10 de la figure 2 a été remplacé par le thyristor 33 comme illustré sur la figure 4.The output of this detector drives a thyristor 33 when the alarm 32 is active and when the line is cut off. In this case, the ignition of the fumigant 8 is directly operated. In this embodiment, the electronic circuit 7 has been modified. The switch 10 of FIG. has been replaced by thyristor 33 as shown in the figure 4.

On peut utiliser les ports de remise à zéro RAZ des circuits NE555 de façon à inhiber la détection de coupure de ligne.RAZ reset ports can be used NE555 circuits so as to inhibit the cut-off detection of line.

Bien sur, l'invention n'est pas limitée aux exemples qui viennent d'être décrits et de nombreux aménagements peuvent être apportés à ces exemples sans sortir du cadre de l'invention. On peut notamment envisager la mise en oeuvre des étapes du procédé selon l'invention au moyen d'un logiciel téléchargé dans une mémoire de la centrale de surveillance locale plutôt que la réalisation d'une carte électronique.Of course, the invention is not limited to the examples which have just been described and many developments can be be brought to these examples without departing from the the invention. In particular, the implementation of the steps of the method according to the invention by means of software downloaded into a memory of the central monitoring rather than creating an electronic map.

Claims (16)

  1. Method for activating an anti-intrusion apparatus that can be controlled by an electric discharge by means of a local monitoring station, characterized in that it comprises the following stages:
    a first stage during which a time-delay capacitor is charged for a predetermined period; and
    a second stage during which the effective discharge of the time-delay capacitor in the apparatus is ordered, this time-delay capacitor discharging weakly in natural fashion, the said command being carried out in a time window during which the charge of the time-delay capacitor is sufficient to activate the apparatus.
  2. Method according to claim 1, characterized in that the apparatus is a smoke generator.
  3. Method according to claim 2, characterized in that the satisfactory triggering of the smoke generator is detected by measuring an infinite resistance of this smoke generator.
  4. Method according to any one of claims 1 to 3, characterized in that the charging and discharging of the time-delay capacitor are ordered from a remote monitoring site via the telephone network by means of two separate command buttons.
  5. Method according to any one of the previous claims,
    implemented in a remote monitoring system comprising a remote monitoring site, characterized in that it comprises the following steps:
    detection by the monitoring station of a break in the telephone line connecting the remote monitoring site to the local monitoring station, and
    activation of an autonomous operation of the monitoring station.
  6. Method according to claim 5, characterized in that the autonomous operation of the monitoring station comprises:
    emitting a sound signal for a predetermined period,
    reporting the break in the telephone line by display means, and
    activating the apparatus in response to predetermined special conditions.
  7. Method according to any one of claims 1 to 4, used in a remote monitoring system comprising a remote monitoring site, characterized in that it comprises the following stages:
    detection by the monitoring station of a break in the telephone line connecting the remote monitoring site to the local monitoring station, and
    triggering of the smoke-generating apparatus upon detection of an intruder.
  8. Device for the activation of an apparatus that can be controlled by an electric discharge, characterized in that it comprises a time-delay capacitor capable of being charged by a supply voltage or being discharged in the apparatus, a relay for connecting a first terminal of the time-delay capacitor either to the supply voltage or to the apparatus, a switch earthing the second terminal of the time-delay capacitor for the charging of the said time-delay capacitor for a predetermined period, and a processing unit for controlling the relay and the switch.
  9. Device according to claim 8, characterized in that it also comprises a resistance in parallel with the time-delay capacitor in order to ensure a natural discharge.
  10. Device according to one of claims 8 or 9, characterized in that it also comprises a diode placed between the second terminal of the time-delay capacitor and the earth so as to prevent the burning out of a transistor acting as switch.
  11. Remote monitoring system using a method according to any one of claims 1 to 7, characterized in that it comprises a remote monitoring site and a local monitoring station fitted with means for controlling an anti-intrusion apparatus, the control means comprising a time-delay such that the said anti-intrusion apparatus is activated in response to at least two successive instructions coming from the remote monitoring site.
  12. System according to claim 11, characterized in that the instructions pass through a fixed telephone link.
  13. System according to claim 12, characterized in that it comprises means of detecting a break in the telephone line, arranged in parallel with the local monitoring station, these detection means comprising:
    rectifying means for rectifying the voltage originating from the telephone line connecting the remote monitoring site to the local monitoring station,
    a detection capacitor which is charged via the rectified voltage,
    a switch for periodically connecting the detection capacitor to an optoelectronic circuit,
    this optoelectronic circuit comprising an optical emitter for sending an optical signal when the charge originating from the detection capacitor exceeds a predetermined threshold,
    this optoelectronic circuit also comprising an optical receiver connected to the monitoring station.
  14. System according to claim 11, characterized in that the instructions pass through a wireless link.
  15. System according to claim 12, characterized in that it comprises means for autonomous detection of a break in a telephone line, arranged in parallel with the local monitoring station, these detection means comprising means of controlling the apparatus in the event of a line break and when an intruder is detected by the local monitoring station.
  16. System according to claim 15, characterized in that the means of controlling the apparatus comprise a thyristor.
EP02292324A 2001-09-20 2002-09-20 Interactive method, device and system for operating a smoke producing anti-intrusion apparatus Expired - Lifetime EP1296300B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR0112126A FR2829861B1 (en) 2001-09-20 2001-09-20 INTERACTIVE METHOD FOR STARTING AN ANTI-INTRUSION APPARATUS, IN PARTICULAR A SMOKE, ASSOCIATED DEVICE AND SYSTEM USING THE SAME
FR0112126 2001-09-20

Publications (2)

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EP1296300A1 EP1296300A1 (en) 2003-03-26
EP1296300B1 true EP1296300B1 (en) 2005-11-16

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EP02292324A Expired - Lifetime EP1296300B1 (en) 2001-09-20 2002-09-20 Interactive method, device and system for operating a smoke producing anti-intrusion apparatus

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AT (1) ATE310295T1 (en)
DE (1) DE60207349T2 (en)
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Publication number Priority date Publication date Assignee Title
FR2977699B1 (en) * 2011-07-07 2015-01-09 Oginski Herve Saiz METHOD FOR STARTING IN RADIO MODE AN ANTI-INTRUSION OPACIFICANT SMOKE GENERATOR AND DEVICE IMPLEMENTING SAID METHOD
EP3319055A1 (en) * 2016-11-04 2018-05-09 Verisure Sàrl A method and a device for controlling and powering a smoke generator

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CH622884A5 (en) * 1978-07-27 1981-04-30 Redon Trust
DE4403998A1 (en) * 1994-02-09 1995-08-10 Rohde & Schwarz Remote control system for mines
US5402000A (en) * 1994-03-04 1995-03-28 Owens, Ii; Joe B. Security system
DE19911826A1 (en) * 1999-03-17 2000-09-21 Dynamit Nobel Ag Safety and delay circuit for an impact detonator

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FR2829861A1 (en) 2003-03-21
FR2829861B1 (en) 2003-11-21
DE60207349T2 (en) 2006-08-24
ES2253502T3 (en) 2006-06-01
EP1296300A1 (en) 2003-03-26
DE60207349D1 (en) 2005-12-22
ATE310295T1 (en) 2005-12-15

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