EP2537144B1 - Self-contained detection method and device - Google Patents

Self-contained detection method and device Download PDF

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Publication number
EP2537144B1
EP2537144B1 EP11712926.2A EP11712926A EP2537144B1 EP 2537144 B1 EP2537144 B1 EP 2537144B1 EP 11712926 A EP11712926 A EP 11712926A EP 2537144 B1 EP2537144 B1 EP 2537144B1
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EP
European Patent Office
Prior art keywords
signal
message
designed
transducer
detection device
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EP11712926.2A
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German (de)
French (fr)
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EP2537144A1 (en
Inventor
Stéphane DI MARCO
Laurent Pichard
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Finsecur SAS
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Finsecur SAS
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    • 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
    • G08B29/12—Checking intermittently signalling or alarm systems
    • G08B29/126—Checking intermittently signalling or alarm systems of annunciator circuits
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B1/00—Systems for signalling characterised solely by the form of transmission of the signal
    • G08B1/08—Systems for signalling characterised solely by the form of transmission of the signal using electric transmission ; transformation of alarm signals to electrical signals from a different medium, e.g. transmission of an electric alarm signal upon detection of an audible alarm signal
    • 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
    • G08B29/12—Checking intermittently signalling or alarm systems
    • G08B29/14—Checking intermittently signalling or alarm systems checking the detection circuits

Definitions

  • the present invention relates to a method and an autonomous detection device. It applies, in particular, to autonomous home detectors, including smoke, gas, especially carbon dioxide, fire or flame.
  • the autonomous home detectors comprise, essentially, at least one sensor, for example smoke or heat, at least one buzzer, generally sound, a standalone power supply, in the form of a battery or battery, and a test button. This test button is used to trigger a signal emitted by the alarm to confirm that the detector is working properly.
  • the present invention aims to remedy these disadvantages.
  • said alarm is an electroacoustic transducer and is confused with the acousto-electric transducer.
  • the buzzer has a loudspeaker or a piezoelectric material and the feedback signals received by the buzzer are used to detect the predetermined sound signal.
  • the implementation of the present invention is thus particularly inexpensive.
  • the detection device which is the subject of the present invention comprises means for analyzing values of an operating parameter of the device and means for generating the message adapted so that said message is representative of said value.
  • the means for analyzing the values of various operating parameters of the device is adapted to estimate a quantity of energy remaining available in an autonomous power supply, the message being representative of the said quantity of energy.
  • the analysis means is adapted to determine the amount of energy remaining available in a standalone power supply and / or a lifetime of the power supply, the message indicating the level of available energy.
  • the recognition means is, furthermore, adapted to detect a predetermined request signal for temporary suspension of operation of the detection device and to trigger, consequently, the suspension of the operation of the detection device for a predetermined duration .
  • the recognition means is adapted to recognize a human voice and a message carried by said voice.
  • the user can vocally control the test of the detection device.
  • the detection device comprises means for generating a sound message adapted to be recognized by a detection device object of the present invention, as succinctly explained above.
  • the detection devices can communicate with each other.
  • the detection device comprises means for generating a sound message adapted to be recognized by a home automation device.
  • the detection device can remotely communicate its state or centralize its state with that of other detection devices, by the home automation device so that the user can easily obtain the communication of this state.
  • the device which is the subject of the present invention, as briefly described above, comprises a light indicator controlled to emit a light signal at regular time intervals, the acousto-electric transducer and its amplification means not being activated only during a part of the time interval following the emission of the light signal.
  • the power consumption of the detection device is reduced since the recognition of the predetermined sound signal is active only intermittently.
  • the present invention relates to an electronic device, which comprises means for transmitting predetermined sound signals that can be recognized by a detection device object of the present invention, as succinctly described above.
  • the electronic device object of the present invention consists of a mobile phone.
  • the power consumption of the detection device is reduced since the recognition of the predetermined sound signal is active only intermittently.
  • the present invention aims a server which comprises means for receiving a request from an electronic device and means for providing a predetermined sound signal that can be recognized by a detection device object of the present invention.
  • the present invention is directed to a method for transmitting a predetermined sound signal, which comprises a step of triggering a function of an electronic device and a step of transmitting the predetermined sound signal that can be recognized by a detection device object of the present invention.
  • the present invention relates to a method for providing a sound signal, which comprises a step of receiving a request from an electronic device and a step of providing a predetermined sound signal that can be recognized by a detection device object of the present invention.
  • FIG. 1 attached to a horizontal surface 100, for example a ceiling, a detection device 105 object of the present invention, which comprises a sensor 110, a power supply 140 and an alarm 120.
  • the sensor 110 is adapted to detect a predetermined value of a physical quantity external to the device 105, for example the presence of smoke or a heat greater than a limit value.
  • the power supply 140 is autonomous, that is to say that it is not permanently connected to a constant source of energy, for example the sector.
  • food electrical 140 is, for example, consisting of at least one battery or accumulator battery.
  • the horn 120 is here represented as a horn, for example consisting of a loudspeaker or a piezoelectric material.
  • the alarm 120 comprises a warning light, for example a light source.
  • the device 105 also comprises a control means 130, an amplifier 125, an analysis means 115 of the state of the power supply 140 and an acoustoelectric transducer 135.
  • the acousto-electric transducer 135 is adapted to receive an acoustic signal and to emit an electrical signal representative of the acoustic signal. It is, for example consists of a microphone, for example electret.
  • the control means 130 emits, at the output, a signal representative of a sound message, in particular an alarm or a test, intended for the amplifier 125.
  • the amplifier 125 is, in a manner known per se, adapted to amplifying signals emitted by the control means 130 and to transmit the amplified signals to the alarm 120 so that it emits audible signals.
  • control means 130 constitutes a means for recognizing a predetermined acoustic signal as a function of the electrical signal emitted by the transducer 135 and for triggering the transmission of a message by the alarm 120 when said predetermined signal is recognized.
  • the electronic device 155 preferably portable, is, for example, constituted of a mobile telephone, a digital personal assistant, or "PDA" (for "Personal digital assistant") or a laptop. It may, however, consist of a fixed computer or a home automation system.
  • the electronic device 155 comprises a loudspeaker 160 and a control means 165, for example a microprocessor.
  • the speaker 160 is electromagnetic or piezoelectric material
  • the control means 165 is adapted to communicate with the server 175, through the communication network 170, for receive sound signals that can be recognized by the control means 130.
  • the communication network 170 is, for example, a telephone network or a computer network, for example the Internet.
  • the server 175 is a voice server or a computer server. On call by the electronic device 155, the server 175 delivers a sound message, either voice or in a digital message. In both cases, the sound message can be stored in memory of the electronic device 155 and / or be immediately transmitted by the loudspeaker 160.
  • Recognizable audio signals are, for example, DTMF signals (acronym for "Dual Tone Modulated Frequencies" for dual-tone modulated frequency) well known in the field of telephony.
  • these sound signals comprise a succession of frequencies of predetermined duration, so that the detection of their reception is safer and can not be confused with other natural or artificial sounds.
  • the electronic device 155 comprises a keyboard or a key (not shown) to trigger the call of the server 175 and / or the transmission of the memorized sound signal.
  • the user calls the server 175 or reads the sound message that it stores in memory after having received it from this server 175 and has it sent by the loudspeaker 160.
  • sound message the control means 130 recognizes the predetermined sound signal, reads the state of the power supply 140 and sends a sound message by the alarm 120.
  • This last sound message is representative of the operating state of the device 105 It is noted that the absence of transmission allows the user to know that the device 105 is out of order.
  • the sound message can thus be a simple pulse or the alarm signal, reduced to about one second of emission.
  • the frequency of a sinusoidal sound wave decreases with the level of energy available in the power supply 140 or the ratio of the silence duration of an intermittent signal over the duration of transmission of signals increases when the level of energy available in the power supply 140 decreases.
  • the audible message from the horn 120 is more complex and may be up to a synthetic voice signal.
  • the sound signal emitted by the alarm 120 is picked up by the electronic device 155 and transmitted to the server 175 which determines the state of the detection device.
  • the audible signal emitted by the alarm 120 is representative of an identifier of the detection device 105, for example its serial number stored in non-volatile memory associated with the control means 130.
  • the server 175 can keep information representative of the detection device tests performed, as well as the date of these tests. This memorization allows the user to prove that he has carried out tests of detection devices at regular intervals of time, for example with a period prescribed by the regulations.
  • the server 175 sends an electronic mail to an email address of the user to attest that he has performed the prescribed tests.
  • the server 175 emits an email inviting the user to perform a new test of each detection device.
  • a start-up step 205 of the detection device is observed.
  • the control means 130 determines, according to the signal it receives from the sensor 110, whether a danger has been detected, by means of the physical quantity value detected by the sensor 110. yes, during a step 215, the control means 130 sends an alarm signal to the alarm 120 or 145. Otherwise, or after the step 215, during a step 220, the means of command 130 determines whether it recognizes a predetermined sound signal
  • control means causes the measurement of at least one operating parameter value of the detection device 105, for example the state the power supply 140, during a step 225. Then, during a step 230, the control means triggers the transmission of a message by the alarm 120, for example a sound message representative of the energy level still available in the power supply 140.
  • a user can test each of its detection devices without having to physically reach the detection device.
  • the regularity of the functional tests is thus more easily observed.
  • figure 4 in a third embodiment of the detection device, the same elements as figure 1 , in addition to a speech recognition means 150, interposed between the transducer 135 and the control means 130.
  • the user performs a test of operation of the detection device by giving him a voice command. .
  • step 217 of activation of an acousto-electric transducer, at regular time intervals.
  • the acousto-electric transducer is activated by its power-up, preferably in conjunction with that of amplification means of its output signal.
  • the transducer is activated after the emission of a light signal, as disclosed elsewhere.
  • the transducer is activated every ten or twenty seconds.
  • it is determined whether one is in a period of activation of the transducer and, if so, one activates or keeps activated the transducer before going to step 220. If one is not not in a period of activation of the transducer, the transducer is deactivated or kept deactivated and returns to step 210.
  • step 220 determines whether the predetermined predetermined signal is a test setpoint of the detection device. Otherwise, a step 260 is proceeded to. If yes, during a step 240, a measurement of value similar to that of step 225 of the figure 3 . Then, during a step 245, the detection device collects operating test results from other homologous detection devices. For this purpose, the detection device emits a predetermined test set sound signal with a power sufficient for the other detection devices to receive it and waits to receive, in return, the sound messages representative of the operating states of the other devices of the device. detection.
  • a transmission order is implemented, either during the interrogation by the device 105, for example by successively identifying the other devices in the test instructions messages and waiting for their response before proceeding to the detection device next, or by providing, during installation, staggered response times of the other detection devices.
  • each of the other detection devices is assigned a time interval during which it must, from the receipt of a test setpoint, issue its response.
  • control means determines whether a maintenance of the detection installation comprising the detection devices must be carried out, according to the results of the measurements of the parameter values of operation.
  • the detection device 105 emits a sound message representative of the measurement results and the possible need for maintenance operations.
  • This message may be intended for the user, at the server 175, via device 155 and network 170 or to a home automation system adapted to communicate remotely and / or display text messages in the clear.
  • step 255 we return to step 210. If the result of step 235 is negative, during a step 260, it is determined whether the predetermined signal recognized during step 220 is a temporary suspension order of operation. Otherwise, return to step 210. If yes, during a step 265, suspend the operation of the detection device and, if they are adapted to communicate with each other, other detection devices homologous. Then return to step 210 after a predetermined time delay, for example three hours.
  • the user can perform activities that could trigger an alarm for the duration of this time, such as smoking, making a fire or cooking food.
  • a user can test, in one go, each of his detection devices without having to physically reach the detection device and know if maintenance operations are required. are necessary. The regularity of the operating tests is thus even more easily observed.
  • means, especially software are provided for reducing the consumption of electrical energy.
  • control means 130 does not operate the acousto-electric transducer, 135 or 145, and / or the eventual amplifier that amplifies the electrical signal that it emits at a regular time interval.
  • the duration of these time slots is a few seconds and the electronic device 155 is adapted to emit the predetermined sound signal for a duration greater than this time interval and, preferably, greater than twice this time interval.
  • a light for example a light-emitting diode ("LED”) which lights up briefly to indicate to the user when to make emit the predetermined sound signal.
  • LED light-emitting diode
  • the duration of the time interval can be extended to a few tens of seconds.

Description

La présente invention vise un procédé et un dispositif de détection autonome. Elle s'applique, en particulier, aux détecteurs domestiques autonomes, notamment de fumées, de gaz, notamment carbonique, d'incendie ou de flamme.The present invention relates to a method and an autonomous detection device. It applies, in particular, to autonomous home detectors, including smoke, gas, especially carbon dioxide, fire or flame.

Les détecteurs domestiques autonomes comportent, essentiellement, au moins un capteur, par exemple de fumée ou de chaleur, au moins un avertisseur, généralement sonore, une alimentation électrique autonome, sous forme de pile ou de batterie, et un bouton de test. Ce bouton de test sert à déclencher un signal émis par l'avertisseur pour confirmer le bon fonctionnement du détecteur.The autonomous home detectors comprise, essentially, at least one sensor, for example smoke or heat, at least one buzzer, generally sound, a standalone power supply, in the form of a battery or battery, and a test button. This test button is used to trigger a signal emitted by the alarm to confirm that the detector is working properly.

Cependant, le meilleur positionnement d'un tel détecteur est au plafond et atteindre le bouton présente des difficultés, en particulier pour les personnes à mobilité réduite. Du fait qu'il est fastidieux d'atteindre le bouton de test, de nombreux utilisateurs ne testent jamais leurs détecteurs et ceux-ci ne sont plus en état de fonctionnement.However, the best positioning of such a detector is on the ceiling and reaching the button presents difficulties, especially for people with reduced mobility. Because it is tedious to reach the test button, many users never test their detectors and they are no longer in working order.

Le document US 2007/146127 décrit un dispositif pour détecter une sirène. Il ne répond en rien aux inconvénients de l'art antérieur exposés ci-dessus.The document US 2007/146127 discloses a device for detecting a siren. It does not meet the disadvantages of the prior art described above.

La présente invention vise à remédier à ces inconvénients.The present invention aims to remedy these disadvantages.

A cet effet, selon un premier aspect, la présente invention vise un dispositif de détection, comportant un capteur, une alimentation et un avertisseur, qui comporte :

  • un transducteur acousto-électrique adapté, lorsqu'il est actif, à recevoir un signal acoustique et à émettre un signal électrique représentatif du signal acoustique et
  • un moyen de reconnaissance d'un signal acoustique prédéterminé en fonction du signal électrique émis par ledit transducteur et de déclenchement de l'émission d'un message par ledit avertisseur lorsque ledit signal prédéterminé est reconnu,
le transducteur acousto-électrique n'étant activé qu'à intervalles de temps réguliers.For this purpose, according to a first aspect, the present invention is directed to a detection device, comprising a sensor, a power supply and an alarm, which comprises:
  • an acousto-electric transducer adapted, when it is active, to receive an acoustic signal and to emit an electrical signal representative of the acoustic signal and
  • means for recognizing a predetermined acoustic signal as a function of the electrical signal emitted by said transducer and for triggering the transmission of a message by said alarm when said predetermined signal is recognized,
the acousto-electric transducer being activated only at regular time intervals.

Grâce à ces dispositions, on peut commander à distance le test du fonctionnement du dispositif de détection, sans mettre en oeuvre de télécommande, de communication hertzienne ou d'autres moyens de communication à distance, par exemple mettant en oeuvre les standards WiFi (acronyme de Wireless Fidelity pour fidélité sans fil) ou Bluetooth (marque déposée), qui imposent, à la fois l'utilisation de composants onéreux et une consommation électrique importante, antagoniste avec l'autonomie du moyen de détection.Thanks to these arrangements, it is possible to remotely control the test of the operation of the detection device, without using remote control, radio communication or other means of remote communication, for example implementing WiFi standards (acronym for Wireless Fidelity for wireless fidelity) or Bluetooth (trademark), which impose both the use of expensive components and a significant power consumption, antagonistic with the autonomy of the detection means.

Selon des caractéristiques particulières, ledit avertisseur est un transducteur électroacoustique et est confondu avec le transducteur acousto-électrique.According to particular characteristics, said alarm is an electroacoustic transducer and is confused with the acousto-electric transducer.

Par exemple, l'avertisseur sonore comporte un haut-parleur ou un matériau piézoélectrique et les signaux en retour reçus par l'avertisseur sonore servent à la détection du signal sonore prédéterminé. La mise en oeuvre de la présente invention est ainsi particulièrement peu onéreuse.For example, the buzzer has a loudspeaker or a piezoelectric material and the feedback signals received by the buzzer are used to detect the predetermined sound signal. The implementation of the present invention is thus particularly inexpensive.

Selon des caractéristiques particulières, le dispositif de détection objet de la présente invention comporte un microphone.According to particular features, the detection device which is the subject of the present invention comprises a microphone.

Grâce à ces dispositions, la sensibilité aux signaux sonores est augmentée.Thanks to these provisions, the sensitivity to the audible signals is increased.

Selon des caractéristiques particulières, le dispositif de détection objet de la présente invention comporte un moyen d'analyse de valeurs d'un paramètre de fonctionnement du dispositif et un moyen de génération du message adapté à ce que ledit message soit représentatif de ladite valeur.According to particular features, the detection device which is the subject of the present invention comprises means for analyzing values of an operating parameter of the device and means for generating the message adapted so that said message is representative of said value.

Selon des caractéristiques particulières, le moyen d'analyse de valeurs de différents paramètres de fonctionnement du dispositif est adapté à estimer une quantité d'énergie restant disponible dans une alimentation électrique autonome, le message étant représentatif de ladite quantité d'énergie.According to particular features, the means for analyzing the values of various operating parameters of the device is adapted to estimate a quantity of energy remaining available in an autonomous power supply, the message being representative of the said quantity of energy.

Par exemple, le moyen d'analyse est adapté à déterminer la quantité d'énergie restant disponible dans une alimentation électrique autonome et/ou une durée de vie de l'alimentation électrique, le message indiquant le niveau d'énergie disponible.For example, the analysis means is adapted to determine the amount of energy remaining available in a standalone power supply and / or a lifetime of the power supply, the message indicating the level of available energy.

Selon des caractéristiques particulières, le moyen de reconnaissance est, en outre, adapté à détecter un signal prédéterminé de requête de suspension provisoire de fonctionnement du dispositif de détection et à déclencher, en conséquence, la suspension du fonctionnement du dispositif de détection pendant une durée prédéterminée.According to particular features, the recognition means is, furthermore, adapted to detect a predetermined request signal for temporary suspension of operation of the detection device and to trigger, consequently, the suspension of the operation of the detection device for a predetermined duration .

Par exemple, lorsque l'utilisateur a des invités fumeurs, fait un feu de cheminée ou fait une cuisson d'aliment sur un réchaud mobile, il peut suspendre la détection de fumée ou de feu pendant quelques heures.For example, when the user has guests smoking, making a chimney fire, or cooking food on a mobile stove, they can suspend smoke or fire detection for a few hours.

Selon des caractéristiques particulières, le moyen de reconnaissance est adapté à reconnaître une voix humaine et un message porté par ladite voix.According to particular features, the recognition means is adapted to recognize a human voice and a message carried by said voice.

Grâce à ces dispositions, l'utilisateur peut commander vocalement le test du dispositif de détection.Thanks to these provisions, the user can vocally control the test of the detection device.

Selon des caractéristiques particulières, le dispositif de détection comporte un moyen de génération d'un message sonore adapté à être reconnu par un dispositif de détection objet de la présente invention, tel que succinctement exposé ci-dessus.According to particular features, the detection device comprises means for generating a sound message adapted to be recognized by a detection device object of the present invention, as succinctly explained above.

Grâce à ces dispositions, les dispositifs de détection peuvent communiquer entre eux.Thanks to these arrangements, the detection devices can communicate with each other.

Selon des caractéristiques particulières, le dispositif de détection comporte un moyen de génération d'un message sonore adapté à être reconnu par un dispositif domotique.According to particular features, the detection device comprises means for generating a sound message adapted to be recognized by a home automation device.

Grâce à ces dispositions, le dispositif de détection peut faire communiquer à distance son état ou faire centraliser son état avec celui d'autres dispositifs de détection, par le dispositif domotique afin que l'utilisateur puisse obtenir facilement la communication de cet état.Thanks to these provisions, the detection device can remotely communicate its state or centralize its state with that of other detection devices, by the home automation device so that the user can easily obtain the communication of this state.

Selon des caractéristiques particulières, le dispositif objet de la présente invention, tel que succinctement exposé ci-dessus comporte un voyant lumineux commandé pour émettre un signal lumineux à intervalles de temps réguliers, le transducteur acousto-électrique et ses moyens d'amplification n'étant activés que pendant une partie de l'intervalle de temps consécutive à l'émission du signal lumineux.According to particular features, the device which is the subject of the present invention, as briefly described above, comprises a light indicator controlled to emit a light signal at regular time intervals, the acousto-electric transducer and its amplification means not being activated only during a part of the time interval following the emission of the light signal.

Grâce à ces dispositions, la consommation électrique du dispositif de détection est réduite puisque le reconnaissance du signal sonore prédéterminé n'est active que par intermittence.Thanks to these arrangements, the power consumption of the detection device is reduced since the recognition of the predetermined sound signal is active only intermittently.

Selon un deuxième aspect, la présente invention vise un dispositif électronique, qui comporte un moyen d'émission de signaux sonores prédéterminés susceptibles d'être reconnus par un dispositif de détection objet de la présente invention, tel que succinctement exposé ci-dessus.According to a second aspect, the present invention relates to an electronic device, which comprises means for transmitting predetermined sound signals that can be recognized by a detection device object of the present invention, as succinctly described above.

Selon des caractéristiques particulières, le dispositif électronique objet de la présente invention est constitué d'un téléphone mobile.According to particular features, the electronic device object of the present invention consists of a mobile phone.

Selon un troisième aspect, la présente invention vise un système de détection comportant :

  • un dispositif de détection objet de la présente invention tel que succinctement exposé ci-dessus dont le transducteur acousto-électrique et ses moyens d'amplification ne sont activés qu'à intervalles de temps réguliers et
  • un dispositif électronique objet de la présente invention adapté à émettre le signal sonore prédéterminé pendant une durée supérieure à l'intervalle de temps et, préférentiellement, à deux fois l'intervalle de temps.
According to a third aspect, the present invention aims at a detection system comprising:
  • a detection device object of the present invention as succinctly described above whose acousto-electric transducer and amplification means are activated at regular intervals of time and
  • an electronic device object of the present invention adapted to emit the predetermined sound signal for a duration greater than the time interval and, preferably, twice the time interval.

Grâce à ces dispositions, la consommation électrique du dispositif de détection est réduite puisque le reconnaissance du signal sonore prédéterminé n'est active que par intermittence.Thanks to these arrangements, the power consumption of the detection device is reduced since the recognition of the predetermined sound signal is active only intermittently.

Selon un quatrième aspect, la présente invention vise un serveur qui comporte des moyens de réception d'une requête provenant d'un dispositif électronique et des moyens de fourniture d'un signal sonore prédéterminé susceptible d'être reconnu par un dispositif de détection objet de la présente invention.According to a fourth aspect, the present invention aims a server which comprises means for receiving a request from an electronic device and means for providing a predetermined sound signal that can be recognized by a detection device object of the present invention.

Selon un cinquième aspect, la présente invention vise un procédé de détection mettant en oeuvre un capteur, une alimentation et un avertisseur, qui comporte :

  • une étape d'activation d'un transducteur acousto-électrique, à intervalles de temps réguliers,
  • une étape de réception d'un signal acoustique par ledit tranducteur activé et
  • une étape de reconnaissance d'un signal acoustique prédéterminé et de déclenchement de l'émission d'un message par l'avertisseur lorsque ledit signal prédéterminé est reconnu.
According to a fifth aspect, the present invention aims a detection method using a sensor, a power supply and an alarm, which comprises:
  • a step of activation of an acousto-electric transducer, at regular intervals of time,
  • a step of receiving an acoustic signal by said activated tranducer and
  • a step of recognizing a predetermined acoustic signal and triggering the transmission of a message by the alarm when said predetermined signal is recognized.

Selon un sixième aspect, la présente invention vise un procédé d'émission d'un signal sonore prédéterminé, qui comporte une étape de déclenchement d'une fonction d'un dispositif électronique et une étape d'émission du signal sonore prédéterminé susceptible d'être reconnu par un dispositif de détection objet de la présente invention.According to a sixth aspect, the present invention is directed to a method for transmitting a predetermined sound signal, which comprises a step of triggering a function of an electronic device and a step of transmitting the predetermined sound signal that can be recognized by a detection device object of the present invention.

Selon un septième aspect, la présente invention vise un procédé de fourniture d'un signal sonore, qui comporte une étape de réception d'une requête provenant d'un dispositif électronique et une étape de fourniture d'un signal sonore prédéterminé susceptible d'être reconnu par un dispositif de détection objet de la présente invention.According to a seventh aspect, the present invention relates to a method for providing a sound signal, which comprises a step of receiving a request from an electronic device and a step of providing a predetermined sound signal that can be recognized by a detection device object of the present invention.

Les avantages, buts et caractéristiques particulières de ce dispositif électronique, de ce système de détection, de ce serveur et de ces procédés étant similaires à ceux du dispositif objet de la présente invention, tel que succinctement exposés ci-dessus, ils ne sont pas rappelés ici.The advantages, aims and particular characteristics of this electronic device, this detection system, this server and these methods being similar to those of the device object of the present invention, as briefly described above, they are not recalled. right here.

D'autres avantages, buts et caractéristiques particulières de la présente invention ressortiront de la description qui va suivre faite, dans un but explicatif et nullement limitatif, en regard de dessins annexés, dans lesquels :

  • la figure 1 représente, schématiquement, un premier mode de réalisation particulier du dispositif objet de la présente invention,
  • la figure 2 représente, schématiquement, un deuxième mode de réalisation particulier du dispositif objet de la présente invention,
  • la figure 3 représente, sous forme d'un logigramme, des étapes mises en oeuvre dans un premier mode de réalisation particulier du procédé objet de la présente invention,
  • la figure 4 représente, schématiquement, un troisième mode de réalisation particulier du dispositif objet de la présente invention et
  • la figure 5 représente, sous forme d'un logigramme, des étapes mises en oeuvre dans un deuxième mode de réalisation particulier du procédé objet de la présente invention.
Other advantages, aims and particular features of the present invention will emerge from the description which follows, for an explanatory and non-limiting purpose, with reference to the appended drawings, in which:
  • the figure 1 represents, schematically, a first particular embodiment of the device which is the subject of the present invention,
  • the figure 2 represents, schematically, a second particular embodiment of the device which is the subject of the present invention,
  • the figure 3 represents, in the form of a logic diagram, steps implemented in a first particular embodiment of the method that is the subject of the present invention,
  • the figure 4 represents, schematically, a third particular embodiment of the device that is the subject of the present invention and
  • the figure 5 represents, in the form of a logic diagram, steps implemented in a second particular embodiment of the method that is the subject of the present invention.

On note, dès à présent, que les figures de dispositif, 1, 2 et 4, ne sont pas à l'échelle.It is noted, as of now, that the device figures, 1, 2 and 4, are not to scale.

On observe, en figure 1, accolé à une surface horizontale 100, par exemple un plafond, un dispositif de détection 105 objet de la présente invention, qui comporte un capteur 110, une alimentation 140 et un avertisseur 120.We observe figure 1 , attached to a horizontal surface 100, for example a ceiling, a detection device 105 object of the present invention, which comprises a sensor 110, a power supply 140 and an alarm 120.

Le capteur 110 est adapté à détecter une valeur prédéterminée d'une grandeur physique externe au dispositif 105, par exemple la présence de fumée ou une chaleur supérieure à une valeur limite.The sensor 110 is adapted to detect a predetermined value of a physical quantity external to the device 105, for example the presence of smoke or a heat greater than a limit value.

L'alimentation électrique 140 est autonome, c'est-à-dire qu'elle n'est pas, en permanence, reliée à une source d'énergie constante, par exemple le secteur. L'alimentation électrique 140 est, par exemple, constituée d'au moins une pile ou d'une batterie d'accumulateur.The power supply 140 is autonomous, that is to say that it is not permanently connected to a constant source of energy, for example the sector. food electrical 140 is, for example, consisting of at least one battery or accumulator battery.

L'avertisseur 120 est ici représenté comme un avertisseur sonore, par exemple constitué d'un haut-parleur ou d'un matériau piézoélectrique. En variante, l'avertisseur 120 comporte un avertisseur lumineux, par exemple une source de lumière.The horn 120 is here represented as a horn, for example consisting of a loudspeaker or a piezoelectric material. Alternatively, the alarm 120 comprises a warning light, for example a light source.

Le dispositif 105 comporte aussi un moyen de commande 130, un amplificateur 125, un moyen d'analyse 115 de l'état de l'alimentation électrique 140 et un transducteur acoustoélectrique 135.The device 105 also comprises a control means 130, an amplifier 125, an analysis means 115 of the state of the power supply 140 and an acoustoelectric transducer 135.

Le transducteur acousto-électrique 135 est adapté à recevoir un signal acoustique et à émettre un signal électrique représentatif du signal acoustique. Il est, par exemple constitué d'un microphone, par exemple à électret.The acousto-electric transducer 135 is adapted to receive an acoustic signal and to emit an electrical signal representative of the acoustic signal. It is, for example consists of a microphone, for example electret.

Le moyen de commande 130 est, par exemple, constitué d'un microprocesseur associé à une mémoire non volatile conservant un programme mettant en oeuvre les étapes illustrées en figure 3, en plus des étapes de fonctionnement classique d'un dispositif de détection autonome. Le moyen de commande 130 reçoit :

  • un signal représentatif de la détection de la valeur prédéterminée de la grandeur physique externe émis par le capteur 110,
  • un signal représentatif de l'état de la batterie émis par le moyen d'analyse 115 et
  • le signal électrique émis par le transducteur acousto-électrique 135.
The control means 130 is, for example, constituted by a microprocessor associated with a non-volatile memory retaining a program implementing the steps illustrated in FIG. figure 3 , in addition to the conventional operating steps of an autonomous detection device. The control means 130 receives:
  • a signal representative of the detection of the predetermined value of the external physical quantity emitted by the sensor 110,
  • a signal representative of the state of the battery emitted by the analysis means 115 and
  • the electrical signal emitted by the acousto-electric transducer 135.

Le moyen de commande 130 émet, en sortie, un signal représentatif d'un message sonore, notamment d'alarme ou de test, à destination de l'amplificateur 125. L'amplificateur 125 est, de manière connue en soi, adapté à amplifier des signaux émis par le moyen de commande 130 et à transmettre les signaux amplifiés à l'avertisseur 120 pour que celui-ci émette des signaux sonore.The control means 130 emits, at the output, a signal representative of a sound message, in particular an alarm or a test, intended for the amplifier 125. The amplifier 125 is, in a manner known per se, adapted to amplifying signals emitted by the control means 130 and to transmit the amplified signals to the alarm 120 so that it emits audible signals.

Dans le mode de réalisation illustré en figure 1, le moyen de commande 130 constitue un moyen de reconnaissance d'un signal acoustique prédéterminé en fonction du signal électrique émis par le transducteur 135 et de déclenchement de l'émission d'un message par l'avertisseur 120 lorsque ledit signal prédéterminé est reconnu.In the embodiment illustrated in figure 1 the control means 130 constitutes a means for recognizing a predetermined acoustic signal as a function of the electrical signal emitted by the transducer 135 and for triggering the transmission of a message by the alarm 120 when said predetermined signal is recognized.

En bas de la figure 1 sont représentés un dispositif électronique 155, un réseau de communication 170 et un serveur 175. Le dispositif électronique 155, préférentiellement portable, est, par exemple, constitué d'un téléphone mobile, d'un assistant personnel numérique, ou « PDA » (pour « personal digital assistant ») ou d'un ordinateur portable. Il peut, néanmoins, être constitué d'un ordinateur fixe ou d'une centrale de domotique.Down the figure 1 an electronic device 155, a communication network 170 and a server 175 are represented. The electronic device 155, preferably portable, is, for example, constituted of a mobile telephone, a digital personal assistant, or "PDA" (for "Personal digital assistant") or a laptop. It may, however, consist of a fixed computer or a home automation system.

Le dispositif électronique 155 comporte un haut-parleur 160 et un moyen de commande 165, par exemple un microprocesseur. Le haut-parleur 160 est électromagnétique ou à matériau piézoélectrique Le moyen de commande 165 est adapté à communiquer avec le serveur 175, par l'intermédiaire du réseau de communication 170, pour recevoir des signaux sonores aptes à être reconnus par le moyen de commande 130. Le réseau de communication 170 est, par exemple, un réseau téléphonique ou un réseau informatique, par exemple internet. Le serveur 175 est un serveur vocal ou un serveur informatique. Sur appel par le dispositif électronique 155, le serveur 175 délivre un message sonore, de manière vocale ou dans un message numérique. Dans les deux cas, le message sonore peut être stocké en mémoire du dispositif électronique 155 et/ou être immédiatement émis par le haut-parleur 160.The electronic device 155 comprises a loudspeaker 160 and a control means 165, for example a microprocessor. The speaker 160 is electromagnetic or piezoelectric material The control means 165 is adapted to communicate with the server 175, through the communication network 170, for receive sound signals that can be recognized by the control means 130. The communication network 170 is, for example, a telephone network or a computer network, for example the Internet. The server 175 is a voice server or a computer server. On call by the electronic device 155, the server 175 delivers a sound message, either voice or in a digital message. In both cases, the sound message can be stored in memory of the electronic device 155 and / or be immediately transmitted by the loudspeaker 160.

Les signaux sonores aptes à être reconnus sont, par exemple, des signaux DTMF (acronyme de « Dual Tone Modulated Frequencies » pour fréquence modulée à double tonalité) bien connu dans le domaine de la téléphonie. Préférentiellement, ces signaux sonores comprennent une succession de fréquences de durée prédéterminée, afin que la détection de leur réception soit plus sûre et ne puisse être confondu avec d'autres sons naturels ou artificiels.Recognizable audio signals are, for example, DTMF signals (acronym for "Dual Tone Modulated Frequencies" for dual-tone modulated frequency) well known in the field of telephony. Preferably, these sound signals comprise a succession of frequencies of predetermined duration, so that the detection of their reception is safer and can not be confused with other natural or artificial sounds.

A cet effet, le dispositif électronique 155 comporte un clavier ou une touche (non représentés) pour déclencher l'appel du serveur 175 et/ou l'émission du signal sonore mémorisé.For this purpose, the electronic device 155 comprises a keyboard or a key (not shown) to trigger the call of the server 175 and / or the transmission of the memorized sound signal.

Pour tester le dispositif de détection 105, l'utilisateur appelle le serveur 175 ou lit le message sonore qu'il conserve en mémoire après l'avoir reçu de ce serveur 175 et le fait émettre par le haut-parleur 160. A réception de ce message sonore, le moyen de commande 130 reconnaît le signal sonore prédéterminé, lit l'état de l'alimentation 140 et fait émettre un message sonore par l'avertisseur 120. Ce dernier message sonore est représentatif de l'état de fonctionnement du dispositif 105. On note que l'absence d'émission permet à l'utilisateur de savoir que le dispositif 105 est hors d'état de fonctionner. Le message sonore peut ainsi être une simple impulsion ou le signal d'alarme, réduit à environ une seconde d'émission. Dans d'autres modes de réalisation, la fréquence d'une onde sonore sinusoïdale décroît avec le niveau d'énergie disponible dans l'alimentation électrique 140 ou le ratio de la durée de silences d'un signal intermittent sur la durée d'émission de signaux croît lorsque le niveau d'énergie disponible dans l'alimentation 140 décroît. Dans encore d'autres modes de réalisation, le message sonore émis par l'avertisseur 120 est plus complexe et peut aller jusqu'à un signal de voix synthétique.To test the detection device 105, the user calls the server 175 or reads the sound message that it stores in memory after having received it from this server 175 and has it sent by the loudspeaker 160. sound message, the control means 130 recognizes the predetermined sound signal, reads the state of the power supply 140 and sends a sound message by the alarm 120. This last sound message is representative of the operating state of the device 105 It is noted that the absence of transmission allows the user to know that the device 105 is out of order. The sound message can thus be a simple pulse or the alarm signal, reduced to about one second of emission. In other embodiments, the frequency of a sinusoidal sound wave decreases with the level of energy available in the power supply 140 or the ratio of the silence duration of an intermittent signal over the duration of transmission of signals increases when the level of energy available in the power supply 140 decreases. In still other embodiments, the audible message from the horn 120 is more complex and may be up to a synthetic voice signal.

En variante, le signal sonore émis par l'avertisseur 120 est capté par le dispositif électronique 155 et transmis au serveur 175 qui détermine l'état du dispositif de détection. Dans ce cas, préférentiellement, le signal sonore émis par l'avertisseur 120 est représentatif d'un identifiant du dispositif de détection 105, par exemple son numéro de série conservé en mémoire non volatile associée au moyen de commande 130. Dans ce cas, le serveur 175 peut conserver une information représentative des tests de dispositif de détection effectués, ainsi que la date de ces tests. Cette mémorisation permet à l'utilisateur de prouver qu'il a effectué les tests de dispositifs de détection à intervalle de temps régulier, par exemple avec une période prévue par les réglementations. Préférentiellement, dans ce cas, le serveur 175 fait transmettre un courrier électronique à une adresse électronique de l'utilisateur pour attester qu'il a effectué les tests prescrits. Préférentiellement, à la fin de la période réglementaire ou spécifiée par le constructeur du dispositif 105, le serveur 175 émet un courrier électronique invitant l'utilisateur à procéder à un nouveau test de chaque dispositif de détection.Alternatively, the sound signal emitted by the alarm 120 is picked up by the electronic device 155 and transmitted to the server 175 which determines the state of the detection device. In this case, preferably, the audible signal emitted by the alarm 120 is representative of an identifier of the detection device 105, for example its serial number stored in non-volatile memory associated with the control means 130. In this case, the server 175 can keep information representative of the detection device tests performed, as well as the date of these tests. This memorization allows the user to prove that he has carried out tests of detection devices at regular intervals of time, for example with a period prescribed by the regulations. Preferably, in this case, the server 175 sends an electronic mail to an email address of the user to attest that he has performed the prescribed tests. Preferably, at the end of the regulatory period or specified by the manufacturer of the device 105, the server 175 emits an email inviting the user to perform a new test of each detection device.

Dans le deuxième mode de réalisation, illustré en figure 2, on retrouve tous les éléments de la figure 1, à l'exception du transducteur 135 et de l'avertisseur 120. Dans ce deuxième mode de réalisation, ces deux éléments sont remplacés par un transducteur 145 qui fait, à la fois, office d'avertisseur et de transducteur acousto-électrique.In the second embodiment, illustrated in figure 2 , we find all the elements of the figure 1 , with the exception of the transducer 135 and the alarm 120. In this second embodiment, these two elements are replaced by a transducer 145 which acts as both an alarm and acousto-electric transducer.

Dans le premier mode de réalisation du procédé objet de la présente invention, illustré en figure 3, on observe une étape de mise en fonctionnement 205 du dispositif de détection.In the first embodiment of the method which is the subject of the present invention, illustrated in figure 3 a start-up step 205 of the detection device is observed.

Au cours d'une étape 210, le moyen de commande 130 détermine, en fonction du signal qu'il reçoit du capteur 110, si un danger a été détecté, par le biais de la valeur de grandeur physique détectée par le capteur 110. Si oui, au cours d'une étape 215, le moyen de commande 130 fait émettre un signal d'alarme à l'avertisseur 120 ou 145. Sinon, ou après l'étape 215, au cours d'une étape 220, le moyen de commande 130 détermine s'il reconnaît un signal sonore prédéterminéDuring a step 210, the control means 130 determines, according to the signal it receives from the sensor 110, whether a danger has been detected, by means of the physical quantity value detected by the sensor 110. yes, during a step 215, the control means 130 sends an alarm signal to the alarm 120 or 145. Otherwise, or after the step 215, during a step 220, the means of command 130 determines whether it recognizes a predetermined sound signal

Si non, on retourne à l'étape 210. Au contraire, si le signal sonore prédéterminé est reconnu, le moyen de commande provoque la mesure d'au moins une valeur de paramètre de fonctionnement du dispositif de détection 105, par exemple l'état de l'alimentation électrique 140, au cours d'une étape 225. Puis, au cours d'une étape 230, le moyen de commande déclenche l'émission d'un message par l'avertisseur 120, par exemple un message sonore représentatif du niveau d'énergie encore disponible dans l'alimentation électrique 140.If not, we return to step 210. On the contrary, if the predetermined sound signal is recognized, the control means causes the measurement of at least one operating parameter value of the detection device 105, for example the state the power supply 140, during a step 225. Then, during a step 230, the control means triggers the transmission of a message by the alarm 120, for example a sound message representative of the energy level still available in the power supply 140.

Grâce à la mise en oeuvre du dispositif et/ou du procédé objets de la présente invention, un utilisateur peut tester chacun de ses dispositifs de détection sans avoir à atteindre physiquement le dispositif de détection. La régularité des tests de fonctionnement est ainsi plus facilement observée.Through the implementation of the device and / or method objects of the present invention, a user can test each of its detection devices without having to physically reach the detection device. The regularity of the functional tests is thus more easily observed.

On observe, en figure 4, dans un troisième mode de réalisation du dispositif de détection, les mêmes éléments qu'en figure 1, auxquels s'ajoute un moyen de reconnaissance de la parole 150, intercalé entre le transducteur 135 et le moyen de commande 130. Dans ce mode de réalisation, l'utilisateur effectue un test de fonctionnement du dispositif de détection en lui donnant une consigne vocale.We observe figure 4 , in a third embodiment of the detection device, the same elements as figure 1 , in addition to a speech recognition means 150, interposed between the transducer 135 and the control means 130. In this embodiment, the user performs a test of operation of the detection device by giving him a voice command. .

On observe en figure 5, dans le deuxième mode de réalisation du procédé, les étapes 205 à 220 de la figure 3.We observe figure 5 in the second embodiment of the method, steps 205 to 220 of the figure 3 .

Cependant, entre l'étape 215 et l'étape 220, est représentée une étape 217 d'activation d'un transducteur acousto-électrique, à intervalles de temps réguliers. Par exemple, le transducteur acousto-électrique est activé par sa mise sous tension, préférentiellement conjointe avec celle de moyens d'amplification de son signal de sortie. Dans des modes de réalisation, le transducteur est activé après l'émission d'un signal lumineux, comme exposé par ailleurs. Par exemple, le transducteur est activé toutes les dix ou vingt secondes. Dans le mode de réalisation illustré en figure 5, au cours de l'étape 217, on détermine si on se trouve dans une période d'activation du transducteur et, si oui, on active ou on maintient activé le transducteur avant de passer à l'étape 220. Si on n'est pas dans une période d'activation du transducteur, on désactive ou on maintient désactivé le transducteur et on retourne à l'étape 210.However, between step 215 and step 220, there is shown a step 217 of activation of an acousto-electric transducer, at regular time intervals. For example, the acousto-electric transducer is activated by its power-up, preferably in conjunction with that of amplification means of its output signal. In embodiments, the transducer is activated after the emission of a light signal, as disclosed elsewhere. For example, the transducer is activated every ten or twenty seconds. In the embodiment illustrated in figure 5 during step 217, it is determined whether one is in a period of activation of the transducer and, if so, one activates or keeps activated the transducer before going to step 220. If one is not not in a period of activation of the transducer, the transducer is deactivated or kept deactivated and returns to step 210.

Si le résultat de l'étape 220 est positif, au cours d'une étape 235, le moyen de commande 130 détermine si le signal prédéterminé reconnu est une consigne de test du dispositif de détection. Sinon, on passe à une étape 260. Si oui, au cours d'une étape 240, on effectue une mesure de valeur similaire à celle de l'étape 225 de la figure 3. Puis, au cours d'une étape 245, le dispositif de détection effectue une collecte de résultats de tests de fonctionnement d'autres dispositifs de détection homologues. A cet effet, le dispositif de détection émet un signal sonore prédéterminé de consigne de test avec une puissance suffisante pour que les autres dispositifs de détection le reçoivent et attend de recevoir, en retour, les messages sonores représentatifs des états de fonctionnement des autres dispositifs de détection. Préférentiellement, un ordre d'émission est mis en oeuvre, soit lors de l'interrogation par le dispositif 105, par exemple en identifiant successivement les autres dispositifs dans les messages de consignes de test et en attendant leur réponse avant de passer au dispositif de détection suivant, soit en prévoyant, lors de l'installation, des moments décalés de réponse des autres dispositifs de détection. Par exemple, par le biais d'une programmation ou de cavaliers électriques, chacun des autres dispositifs de détection se voit attribuer un intervalle de temps pendant lequel il doit, à partir de la réception d'une consigne de test, émettre sa réponse.If the result of step 220 is positive, during a step 235, the control means 130 determines whether the predetermined predetermined signal is a test setpoint of the detection device. Otherwise, a step 260 is proceeded to. If yes, during a step 240, a measurement of value similar to that of step 225 of the figure 3 . Then, during a step 245, the detection device collects operating test results from other homologous detection devices. For this purpose, the detection device emits a predetermined test set sound signal with a power sufficient for the other detection devices to receive it and waits to receive, in return, the sound messages representative of the operating states of the other devices of the device. detection. Preferably, a transmission order is implemented, either during the interrogation by the device 105, for example by successively identifying the other devices in the test instructions messages and waiting for their response before proceeding to the detection device next, or by providing, during installation, staggered response times of the other detection devices. For example, by means of programming or electrical jumpers, each of the other detection devices is assigned a time interval during which it must, from the receipt of a test setpoint, issue its response.

Une fois la collecte des messages effectuée, au cours d'une étape 250, le moyen de commande détermine si une maintenance de l'installation de détection comportant les dispositifs de détection doit être effectuée, en fonction des résultats des mesures de valeurs de paramètres de fonctionnement.Once the message collection has been performed, during a step 250, the control means determines whether a maintenance of the detection installation comprising the detection devices must be carried out, according to the results of the measurements of the parameter values of operation.

Puis, au cours d'une étape 255, le dispositif de détection 105 émet un message sonore représentatif des résultats de mesure et du besoin éventuel d'opérations de maintenance. Ce message peut être destiné à l'utilisateur, au serveur 175, par l'intermédiaire du dispositif 155 et du réseau 170 ou à une centrale de domotique adaptée à communiquer à distance et/ou à afficher des messages textuels en clair.Then, during a step 255, the detection device 105 emits a sound message representative of the measurement results and the possible need for maintenance operations. This message may be intended for the user, at the server 175, via device 155 and network 170 or to a home automation system adapted to communicate remotely and / or display text messages in the clear.

A la suite de l'étape 255, on retourne à l'étape 210. Si le résultat de l'étape 235 est négatif, au cours d'une étape 260, on détermine si le signal prédéterminé reconnu au cours de l'étape 220 est une consigne de suspension provisoire de fonctionnement. Sinon, on retourne à l'étape 210. Si oui, au cours d'une étape 265, on suspend le fonctionnement du dispositif de détection et, s'ils sont adaptés à communiquer entre eux, des autres dispositifs de détection homologues. Puis on retourne à l'étape 210 après une durée de temporisation prédéterminée, par exemple de trois heures.After step 255, we return to step 210. If the result of step 235 is negative, during a step 260, it is determined whether the predetermined signal recognized during step 220 is a temporary suspension order of operation. Otherwise, return to step 210. If yes, during a step 265, suspend the operation of the detection device and, if they are adapted to communicate with each other, other detection devices homologous. Then return to step 210 after a predetermined time delay, for example three hours.

Ainsi, l'utilisateur peut pratiquer des activités qui seraient susceptibles de déclencher une alarme pendant la durée de cette temporisation, comme fumer, faire un feu de cheminée ou faire cuire des aliments.Thus, the user can perform activities that could trigger an alarm for the duration of this time, such as smoking, making a fire or cooking food.

Grâce à la mise en oeuvre du deuxième mode de réalisation du procédé objet de la présente invention, un utilisateur peut tester, en une fois, chacun de ses dispositifs de détection sans avoir à atteindre physiquement le dispositif de détection et savoir si des opérations de maintenance sont nécessaires. La régularité des tests de fonctionnement est ainsi encore plus facilement observée.By implementing the second embodiment of the method that is the subject of the present invention, a user can test, in one go, each of his detection devices without having to physically reach the detection device and know if maintenance operations are required. are necessary. The regularity of the operating tests is thus even more easily observed.

Pour chacun des modes de réalisation exposés ci-dessus, préférentiellement, on prévoit des moyens, notamment logiciels, pour réduire la consommation d'énergie électrique.For each of the embodiments described above, preferably, means, especially software, are provided for reducing the consumption of electrical energy.

Dans des modes de réalisation, le moyen de commande 130 ne met en fonctionnement le transducteur acousto-électrique, 135 ou 145, et/ou l'éventuel amplificateur qui amplifie le signal électrique qu'il émet qu'à intervalle de temps régulier.In embodiments, the control means 130 does not operate the acousto-electric transducer, 135 or 145, and / or the eventual amplifier that amplifies the electrical signal that it emits at a regular time interval.

Dans des variantes de ces modes de réalisation, la durée de ces intervalles de temps est de quelques secondes et le dispositif électronique 155 est adapté à émettre le signal sonore prédéterminé pendant une durée supérieure à cet intervalle de temps et, préférentiellement, supérieur à deux fois cet intervalle de temps.In variants of these embodiments, the duration of these time slots is a few seconds and the electronic device 155 is adapted to emit the predetermined sound signal for a duration greater than this time interval and, preferably, greater than twice this time interval.

Dans des variantes de ces modes de réalisation, on prévoit un voyant, par exemple une diode électroluminescente (« DEL ») qui s'allume brièvement pour indiquer à l'utilisateur quand faire émettre le signal sonore prédéterminé. Dans ces variantes, la durée de l'intervalle de temps peut être allongées à quelques dizaines de secondes.In variants of these embodiments, there is provided a light, for example a light-emitting diode ("LED") which lights up briefly to indicate to the user when to make emit the predetermined sound signal. In these variants, the duration of the time interval can be extended to a few tens of seconds.

Claims (14)

  1. Detection device (105) comprising a sensor (110), a power supply (140) and an alarm (120, 145), characterized in that it comprises:
    - an acousto-electric transducer (135, 145), which is only activated at regular intervals and is designed, when it is active, to receive an acoustic signal and emit an electrical signal representative of the acoustic signal; and
    - a means (130) for recognizing a predefined acoustic signal according to the electrical signal emitted by said transducer and triggering the emission of a message by said alarm when said predefined signal is recognized; and
    - an indicator light (120) commanded to emit a light signal at regular time intervals and in that the acousto-electric transducer (135, 145) and amplification means associated to said transducer are only activated during part of the time interval following the emission of the light signal.
  2. Detection device (105) according to claim 1, which also comprises:
    - a means (115) for analyzing values of an operating parameter of the device, designed to estimate a quantity of energy remaining available in a stand-alone power supply (140); and
    - a means (130) for generating the message, designed so that said message is representative of said quantity of energy.
  3. Device according to claim 2, wherein the means (115) for analyzing values of an operating parameter of the device is also designed to analyze at least one other operating parameter, different from the quantity of energy remaining available, the means (130) for generating the message being designed so that, in addition, said message is representative of said other operating parameter.
  4. Device according to one of claims 1 to 3, wherein said alarm (145) is an electro-acoustic transducer and is combined with the acousto-electric transducer.
  5. Device according to any one of claims 1 to 4, wherein the recognition means (130, 150) is also designed to detect a predefined signal requesting a temporary suspension of the detection device's operation and, as a result, to trigger the suspension of the detection device's operation for a predefined length of time.
  6. Device according to any one of claims 1 to 5, wherein the recognition means (150) is designed to recognize a human voice and a message conveyed by said voice.
  7. Device according to any one of claims 1 to 6, which comprises a means (155) for generating a sound message designed to be recognized by a device according to any one of claims 1 to 6.
  8. Device according to any one of claims 1 to 7, which comprises a means (130) for generating a sound message designed to be recognized by a home automation device.
  9. Electronic device (155) designed to remotely command a test of the operation of the detection device according to one of claims 1 to 8, which comprises a means (155) for emitting predefined sound signals recognized by the recognition means of a detection device according to any one of claims 1 to 8.
  10. Electronic device (155) according to claim 9, which consists of a mobile telephone equipped with the means for emitting predefined sound signals according to claim 9.
  11. Detection system, which comprises a detection device (105) according to any one of claims 1 to 8, whose acousto-electric transducer (135, 145) and amplification means associated to said transducer are only activated at regular time intervals, and an electronic device (155) designed to emit the predefined sound signal during a length of time greater than the time interval and, preferably, twice the time interval.
  12. Server, characterized in that it comprises means for receiving a request from an electronic device according to claim 9 and means for providing a predefined sound signal recognized by the recognition means of a detection device according to any one of claims 1 to 8.
  13. Detection method utilizing a sensor (110), a power supply (140) and an alarm (120, 145), characterized in that it comprises:
    - a step of emitting a light signal at regular time intervals;
    - a step (217) of activating an acousto-electric transducer (135, 145) at regular time intervals, the acousto-electric transducer and amplification means associated to said transducer only being activated during part of the time interval following the emission of the light signal;
    - a step (220) of receiving an acoustic signal by said activated transducer; and
    - a step (220, 230) of recognizing a predefined acoustic signal and triggering the emission of a message by the alarm when said predefined signal is recognized.
  14. Method according to claim 13, which comprises:
    - a step of analyzing values of an operating parameter of the device, for estimating a quantity of energy remaining available in a stand-alone power supply (140); and
    - a step of generating the message representative of said quantity of energy.
EP11712926.2A 2010-02-17 2011-02-17 Self-contained detection method and device Not-in-force EP2537144B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR1000674A FR2956510B1 (en) 2010-02-17 2010-02-17 AUTONOMOUS DETECTION METHOD AND DEVICE
PCT/FR2011/050335 WO2011101597A1 (en) 2010-02-17 2011-02-17 Self-contained detection method and device

Publications (2)

Publication Number Publication Date
EP2537144A1 EP2537144A1 (en) 2012-12-26
EP2537144B1 true EP2537144B1 (en) 2017-01-25

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Application Number Title Priority Date Filing Date
EP11712926.2A Not-in-force EP2537144B1 (en) 2010-02-17 2011-02-17 Self-contained detection method and device

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US (1) US8970371B2 (en)
EP (1) EP2537144B1 (en)
ES (1) ES2617231T3 (en)
FR (1) FR2956510B1 (en)
WO (1) WO2011101597A1 (en)

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US9619985B2 (en) 2015-04-08 2017-04-11 Vivint, Inc. Home automation communication system
US9805739B2 (en) 2015-05-15 2017-10-31 Google Inc. Sound event detection
ES2784882T3 (en) * 2015-07-13 2020-10-01 Carrier Corp Security automation system
WO2018044331A1 (en) * 2016-09-04 2018-03-08 Honeywell International Inc. Man down detection for personal safety alarm device

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Also Published As

Publication number Publication date
EP2537144A1 (en) 2012-12-26
WO2011101597A1 (en) 2011-08-25
ES2617231T3 (en) 2017-06-15
FR2956510B1 (en) 2012-10-26
FR2956510A1 (en) 2011-08-19
US20130063263A1 (en) 2013-03-14
US8970371B2 (en) 2015-03-03

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