WO2015097258A1 - Device for ventilating a room, device for protecting a site and method for ventilating a site - Google Patents

Device for ventilating a room, device for protecting a site and method for ventilating a site Download PDF

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Publication number
WO2015097258A1
WO2015097258A1 PCT/EP2014/079263 EP2014079263W WO2015097258A1 WO 2015097258 A1 WO2015097258 A1 WO 2015097258A1 EP 2014079263 W EP2014079263 W EP 2014079263W WO 2015097258 A1 WO2015097258 A1 WO 2015097258A1
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WO
WIPO (PCT)
Prior art keywords
opening
device
means
configured
signal
Prior art date
Application number
PCT/EP2014/079263
Other languages
French (fr)
Inventor
Laurent Pichard
Stéphane DI MARCO
Original Assignee
Finsecur
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority to FR1363502A priority Critical patent/FR3013070B1/en
Priority to FR1363502 priority
Application filed by Finsecur filed Critical Finsecur
Publication of WO2015097258A1 publication Critical patent/WO2015097258A1/en

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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00Control or safety arrangements
    • F24F11/30Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00Control or safety arrangements
    • F24F11/0001Control or safety arrangements for ventilation
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00Control or safety arrangements
    • F24F11/30Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
    • F24F11/32Responding to malfunctions or emergencies
    • F24F11/33Responding to malfunctions or emergencies to fire, excessive heat or smoke
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00Control or safety arrangements
    • F24F11/30Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
    • F24F11/32Responding to malfunctions or emergencies
    • F24F11/33Responding to malfunctions or emergencies to fire, excessive heat or smoke
    • F24F11/34Responding to malfunctions or emergencies to fire, excessive heat or smoke by opening air passages
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00Control or safety arrangements
    • F24F11/50Control or safety arrangements characterised by user interfaces or communication
    • F24F11/56Remote control
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00Control or safety arrangements
    • F24F11/50Control or safety arrangements characterised by user interfaces or communication
    • F24F11/61Control or safety arrangements characterised by user interfaces or communication using timers
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/08Air-flow control members, e.g. louvres, grilles, flaps or guide plates
    • F24F13/10Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers
    • F24F13/14Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers built up of tilting members, e.g. louvre
    • F24F13/1426Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers built up of tilting members, e.g. louvre characterised by actuating means
    • F24F2013/1433Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers built up of tilting members, e.g. louvre characterised by actuating means with electric motors

Abstract

The invention relates to a device (10) for ventilating a room which comprises: an actuator (105) configured such as to open a door or window (110) of the room; a means (115) for peering with an alarm system; a means (120) for controlling the actuator configured such as to control the opening or the closing of the door or window in accordance with a received signal; a means (125) for wireless communication with the alarm system configured such as to receive a smoke discharge signal; and a means (130) for storing electric energy, charged by an electric power supply (135), configured to power the actuator during the opening of the door or window following the receipt of a smoke discharge signal.

Description

 DEVICE FOR AERATION OF A LOCAL, DEVICE FOR SECURING A SITE AND METHOD FOR AERATING A SITE

TECHNICAL FIELD OF THE INVENTION

 The present invention relates to a ventilation device of a room, a device for securing a site and a method of aeration of a site. It applies, in particular, to the protection against fires of public or activity sites.

STATE OF THE ART

 For the remainder of this document, the term "supercapacitor" refers to a capacitor having a power density and an energy density between the batteries and the conventional electrolytic capacitors.

 In some fire safety systems, smoke outlets are positioned high up in the place so as to allow the evacuation of the smoke contained in this room during a fire. The opening of these outlets is controlled by an alarm center following the detection, by this plant, of a fire in the place secured by these systems.

 These systems have several disadvantages.

 On the one hand, because of the standards imposing a speed of opening to these outlets, cylinders causing the opening of each outlet of the device require a considerable electrical intensity, of the order of one ampere. When several devices are present, the amount of electrical intensity required requires the deployment of cables whose section dimensions are important. To remedy this drawback, some systems include an electrical cabinet connected by cables to each outlet of the device. However, these cabinets use a lot of space and the cables used impose a considerable system deployment constraint because of the dimensions of these cables.

On the other hand, maintenance standards for these systems require that each outlet be serviced once a year. During this interview, the opening and closing of the outlet is carried out in particular to verify the proper functioning of this outlet. In current systems, these tests are performed manually, which does not reliably establish that, for each part of the system, the time between two tests meets the regulatory requirements.

 In some current systems, outlets are wirelessly connected to the plant. The disadvantage of current wireless technologies is that the wireless transmission between an outlet and a power plant is fragile with regard to the distances that can separate the power plant from the outlet. In addition, the surrounding electromagnetic noise can be a source of transmission faults between an outlet and the plant. For these reasons, these systems are either used in small premises, or have a plurality of plants to limit transmission problems or repeaters that relay the transmitted signals, which increases the cost of maintenance and the risk of failure hardware. In addition, these current systems have unidirectional and downlink communication from the control panel, which prevents the control panel from obtaining any information from the outlet.

OBJECT OF THE INVENTION

 The present invention aims to remedy all or part of these disadvantages.

For this purpose, according to a first aspect, the present invention relates to a ventilation device of a room, which comprises:

 a jack configured to open an opening of the room,

 a pairing means with an alarm center,

 actuator control means configured to control the opening or closing of the opening according to a signal received,

 a means of wireless communication with the alarm control unit configured to receive a smoke evacuation signal,

- A means for storing electrical energy, charged by a power source, configured to supply the cylinder when opening the opening consecutive to the receipt of a smoke evacuation signal. With these provisions, when a smoke evacuation signal is received by the communication means, the cylinder is actuated to open the room. In order to supply this jack, the energy storage means detaches the electrical energy stored during the charging of this storage means by the power supply source. It is possible, in this way, to use electric cables classics do not impose space constraints when setting up the device in a room. In the same way, this device does not require the use of an electrical cabinet, which reduces the installation cost of the device and the space required for this installation.

 In embodiments:

 the communication means is configured to receive an aeration signal,

the control means of the jack is configured to control the opening of the sash as a function of the aeration signal received and

 - The power source is configured to power the cylinder when opening the opening.

 These embodiments have the advantage of allowing, according to the signal received, to feed the jack by the storage means when receiving a smoke evacuation signal representative of the detection of a fire by the central unit. alarm. It is also possible to feed the cylinder by the power source during an opening of the opening responding to an aeration signal.

 In embodiments, the aeration signal includes information representative of an opening degree of the opening, the control means being configured to control a degree of opening of the opening according to the information. representative of a degree of opening of the opening.

 The advantage of these embodiments is that they can modulate the degree of opening of the opening according to a degree of opening determined by a user and transmitted in the aeration signal.

 In embodiments, the communication means is a spread spectrum wireless communication means with the alarm center.

 These embodiments have the advantage of enabling robust communication with regard to a degree of electromagnetic noise between the alarm center and the communication means.

 In embodiments, the device that is the subject of the present invention comprises:

 a sensor of a value representative of a physical quantity,

a detector configured to determine information relating to the opening according to the value sensed, the communication means being configured to transmit a signal representative of the detected information to the alarm center.

 The advantage of these embodiments is that they allow, for example, to transmit to the alarm center information representative of the opening or not of the opening.

 In embodiments, the detector is configured to determine information representative of the degree of opening of the opening according to the sensed value.

 These embodiments have the advantage of making it possible to transmit more precise information to the alarm center.

 In embodiments:

 the jack comprises a rotary motor,

 - the sensor is engine rev counter and

 the detector detects a degree of opening of the opening according to the number of engine revolutions counted.

 The advantage of these embodiments is that they allow a precise detection of the degree of opening of the opening.

 In embodiments, the motor is a brushless motor (in English "brushless") and the sensor is a Hall effect sensor.

 These embodiments have the advantage of allowing a precise detection of the degree of opening of the opening.

 In embodiments, the device that is the subject of the present invention comprises means for measuring a duration since a modification of a physical quantity sensed by the sensor, the communication means being configured to emit an alert signal when the measured time is greater than a predetermined time limit.

 The advantage of these embodiments is that they make it possible to identify the need for performing maintenance of the device when, for example, the duration since an opening of the opening is greater than one year.

 In embodiments, the energy storage means is a supercapacitor.

These embodiments have the advantage of allowing the rapid restitution, with respect to a battery, of the energy stored in the supercapacitor. In embodiments, the device that is the subject of the present invention comprises:

 a sensor of a value representative of a physical quantity of the environment of the device,

 a fire detector configured to detect a fire according to the sensed value,

the communication means being configured to emit a signal representative of the detection of a fire towards the alarm center.

 The advantage of these embodiments is that they make it possible to reduce the costs of a fire detection system comprising the device that is the subject of the present invention by pooling the device, a sensor and a fire detector.

 In embodiments, the device that is the subject of the present invention comprises:

 a means for verifying the operating state of the communication means as a function of a signal received from the alarm control unit by the communication means after the verification means has commanded the communication means to transmit the a typical information to the alarm center and

 means for actuating an audible and / or visual alarm as a function of the signal received.

 These embodiments allow a user to identify a communication fault between the control panel and the device according to the audible and / or visual alarm.

 In embodiments, the device comprises means for verifying the operating state of a sensor configured to control, by means of communication, the transmission of information representative of the operating state of the sensor.

 The advantage of these embodiments is that they allow, for example, to transmit to the alarm center a signal representative of a malfunction of a sensor.

 According to a second aspect, the present invention aims at a device for securing a site, which comprises:

at least one ventilation device of a local object of the present invention, a central alarm system paired with each ventilation device of a room configured to transmit a smoke evacuation signal during the detection of a fire,

 a ventilation unit configured to transmit an aeration signal to at least one aeration device,

 - A common power source supplying each aeration device.

 The aims, advantages and characteristics of the device for securing a site object of the present invention being similar to those of the ventilation device of a local object of the present invention, they are not recalled here.

 According to a third aspect, the present invention aims at a method of aeration of a site by a plurality of ventilation devices each provided with an opening cylinder of an opening, which comprises:

 a charging step, in each aeration device, of energy storage means associated with said aeration device, by supplying the electrical energy storage means with a common power supply source to the devices of aeration,

 a step of waiting, by each device, a control signal opening or closing of the opening, received either from a central alarm or a central ventilation,

 - In case of receipt of a control signal opening or closing of the openings from the ventilation unit, a step of opening or closing successive opening, supplying the cylinders with the common supply to the devices d aeration, the electrical current delivered by the common power supply being less than the sum of the electrical intensities necessary for simultaneously supplying the cylinders and

 in the event of reception of an opening opening control signal from the alarm control panel, a step of simultaneous opening of the openings by supplying the jack of each device with the energy storage means associated with said device.

Since the aims, advantages and characteristics of the method which are the subject of the present invention are similar to those of the device which is the subject of the present invention, they are not recalled here. BRIEF DESCRIPTION OF THE FIGURES

 Other advantages, aims and particular characteristics of the invention will emerge from the following nonlimiting description of at least one particular embodiment of the devices and method that are the subject of the present invention, with reference to the appended drawings, in which:

 FIG. 1 represents, schematically, a particular embodiment of the ventilation device of a local object of the present invention,

 FIG. 2 represents, schematically, a particular embodiment of the device for securing a site that is the subject of the present invention, and

 FIG. 3 represents a logic diagram of steps of a particular embodiment of the method that is the subject of the present invention.

DESCRIPTION OF EXAMPLES OF EMBODIMENT OF THE INVENTION

 The present description is given in a non-limiting manner.

 In FIG. 1, which is not to scale, one embodiment of the device 10 which is the subject of the present invention is observed. This device 10 comprises:

 a jack 105, configured to open an opening 1 10 of the room, which comprises a rotary motor 150,

 a means 15 of pairing with a central alarm,

 a means 120 for controlling the jack 105,

 a means 125 of wireless communication with the central alarm,

 a means 130 for storing electrical energy, charged by a power source 135,

 a sensor 140 of a value representative of a physical quantity,

 a detector 145 configured to determine information relating to the opening 1 10 as a function of the value sensed,

 a means 155 for measuring a duration since a modification of a physical quantity sensed by the sensor 140,

 a sensor 1 60 of a value representative of a physical quantity of environment of the device,

 a fire detector 1 65,

a means 170 for checking the operating status of the communication means 125, a means 175 for actuating an audible and / or visual alarm 180 according to the signal received and

 a means 185 for checking the operating state of a sensor, 140 and 1 60.

 The jack 105 is, for example, a mechanical jack comprising a cylindrical tube in which a piston is set in motion by the action of a rotary motor 150. This rotary motor 150 is, for example, a brushless motor ("brushless" in English). When the piston of the cylinder 105 is deployed, the opening 1 10 is open and it is possible for fumes contained in the room with the opening 1 10 leave this room.

 The jack 105 is controlled by a control means 120 for controlling the jack 105. This control means 120 transmits, upon reception by the communication means 125 of an opening signal of the sash 1 10, to the motor 150 an actuation command of the cylinder 105 so as to open the opening 1 10. Conversely, this control means 120 transmits to the motor 150 a closing command of the opening 1 10 when receiving a closing command by the means of communication 125.

 The communication means 125 is, for example, a wireless antenna implementing a spread spectrum transmission technology. In order to implement a spread spectrum communication, the communication means 125 is based on the pairing of the device 10 with the alarm center. This pairing implements a pairing means 1 15.

 The pairing means 1 15 is, for example, an electronic circuit configured to receive communication means 125 a pairing command issued by the control panel. This pairing command also includes, for example, a pseudo-random sequence of values "1" and "-1" generated once by the alarm center, during the pairing of the alarm center. with the device 10.

The pairing means 1 15 causes the communication means 125 to multiply, in the logical sense, the data transmitted by the communication means 125 with the pseudo-random sequence. In this way, the spectrum of the transmitted signal is spread over a plurality of frequencies, the power of each part of the signal on a frequency becoming lower than the power of the electromagnetic noise ambient. In addition, the pairing means 1 15 causes the communication means 125 to correlate the signals received by the communication means 125 with the pseudo-random sequence in order to extract the useful signal from the electromagnetic noise. In variants, the communication means 125 uses other known spread spectrum techniques, such as frequency hopping spread spectrum ("Frequency hopping spread spectrum"). Pairing is done when the steps of:

 generation of a pseudo-random sequence,

 - communication of the sequence from the control panel to the device 10 and

 - Pairing control by the pairing means 120 are made.

 The pairing means 1 is configured to perform a wireless transmission of a pairing request signal until the pairing of the device 10. When the alarm center receives the request signal, the central station alarm emits a signal for the device 10 comprising the pseudo-random sequence. In variants, the control panel transmits a pairing request signal and the device, in response to the receipt of this request, transmits an acceptance signal of the pairing request. In these variants, the control panel transmits a signal comprising the pseudo-random sequence, for the device, when receiving the acceptance signal.

 The communication means 125 receives, for example, two types of opening signals:

 - a smoke evacuation signal and

 a ventilation signal of the room.

 A smoke evacuation signal corresponds to an alarm signal emitted by the alarm center. This signal is representative of the detection, by the alarm center, of a fire based on data transmitted by fire detectors associated with sensors.

A ventilation signal of the room corresponds to a signal emitted by a ventilation unit which can also be the alarm center. This ventilation unit is, for example, a portable terminal communicating as a tablet for controlling the alarm center the emission of an aeration signal. The aeration signal includes information representative of a degree of opening of the opening 1 10. The communication means 125 transmits the two types of signals to the control means 120 of the jack 105.

 When the control means 120 receives an aeration signal, the control means 120 controls the actuation of the jack 105 causing the opening of the sash 1 10 to be slowly opened. This operation requires a low electrical intensity, the motor 150 actuating the cylinder 105 draws its power from a power source 135 which is, for example, a power supply. In addition, the control means 120 is configured to control a degree of opening of the opening 1 10 according to the information representative of a degree of opening of the opening 1 10 of the aeration signal.

 When the control means 120 receives a smoke evacuation signal, the control means 120 commands the cylinder 105 to rapidly open the opening 1 10. This rapid opening requires a large electrical intensity, the control means 120 controls electrical energy storage means 130 for supplying the motor 150.

 The electrical energy storage means 130 is, for example, a supercapacitor charged by the power source 135. This storage means 130 is charged by the power supply source 135 as long as the control means 120 not by means of storage 130 feeding the motor 150. In this manner the storage means 130 acts as a security for the device 10.

 The sensor 140 of a value representative of a physical quantity is, for example, a Hall effect sensor positioned near the brushless motor 150. The sensor 140 counts the number of revolutions made by the motor 150 as well as the orientation of each of the laps counted.

The detector 145 is, for example, an electronic circuit configured to determine information relating to the opening 1 10 as a function of the number of revolutions counted by the sensor 140. Indeed, if a number of towers captured made by the motor 150 in a direction corresponding to an opening of the opening 1 10 is greater than a number of detected turns made by the motor 150 in a direction corresponding to a closing of the opening 1 10, the detector 145 detects that the opening 1 10 is open. In addition, the detector 145 detects an opening degree of the opening 1 10 as a function of a difference between the numbers of turns sensed by the sensor 140 in each direction of the motor 150.

 The communication means 125 is configured to transmit a signal representative of the degree of opening of the opening 1 10 detected at the alarm center.

 The means 155 for measuring a duration since a modification of a physical quantity sensed by the sensor 140 is, for example, an electronic clock.

This electronic clock is configured to measure a duration from the moment a sensed physical quantity is modified. As soon as this physical quantity is changed, the measured duration is reset. When the measured duration is greater than a predetermined limit time, the measuring means 155 transmits to the communication means 125 a signal representative of the exceeding of the predetermined limit duration.

 In this case, the communication means 125 is configured to transmit a signal representative of the exceeding of the predetermined limit value.

 The sensor 1 60 of a value representative of a physical environment quantity of the device is, for example, an optical smoke detector.

 The fire detector 65 is, for example, an electronic circuit. This electronic circuit is configured to detect a fire according to a quantity of smoke in the air captured by the sensor 1 60 for example.

 The communication means 125 is configured to emit a signal representative of the detection of a fire towards the alarm center when the detector 1 65 detects a fire.

The checking means 170 of the operating state of the communication means 125 is, for example, an electronic circuit. This electronic circuit verifies the operating state of the communication means 125 as a function of a signal received from the alarm control unit by the communication means 125 after the verification means 170 has commanded the communication means 125. sending a standard information to the alarm center. If no signal is received from the alarm control unit, the verification means 170 determines that the communication means 125 is malfunctioning. In variants, if no signal is received, the verification means 170 performs a second verification as confirmation. If the received signal is in accordance with the expected signal, comprising, for example, a particular code transmitted by the communication means 125 at the alarm center, the verification means 170 determines that the communication means 125 operates.

 The verification means 170 is configured to perform a verification when a duration since the reception of a last signal emitted by the alarm control unit is greater than a predetermined limit duration. This arrangement makes it possible to check the state of the pairing between the device 10 and the alarm center.

 When the verification means 170 determines that the communication means 125 is malfunctioning, the verification means 170 controls by means 175 of operation of a sound and / or visual alarm 180 to actuate the sound alarm 180 and / or visual. This means 175 for actuation is, for example, an electronic circuit configured to emit a command for flashing or emitting a periodic sound signal according to the type of alarm commanded. The audible and / or visual alarm 180 is, for example, a light emitting diode with or without a loudspeaker.

 The means 185 for checking the operating state of the sensors, 140 and

160, is, for example, an electronic circuit configured to send to the sensors, 140 and 1 60, a signal representative of a physical quantity and to measure the reaction of each sensor, 140 and 1 60. If the reaction of at least a sensor, 140 and / or 1 60, is in accordance with a reaction expected by the verification means 185, the verification means 185 determines that each said sensor, 140 and / or 160, is in operating condition. Conversely, if the reaction of at least one sensor, 140 and / or 160, is not in accordance with a reaction expected by the verification means 185, the verification means 185 determines that each said sensor, 140 and / or 160 , is malfunctioning.

 The verification means 185 is configured to control, by means of communication 125, the transmission of information representative of the operating state of each sensor, 140 and 1 60, to the central alarm.

 In FIG. 2, which is not to scale, one embodiment of the device 20 for securing a site object of the present invention is observed. This device 20 comprises:

two ventilation devices 10 of a room as described in FIG. a central alarm 205 paired with each ventilation device 10 of a room configured to transmit a smoke evacuation signal during the detection of a fire,

 a central ventilation unit 210 configured to transmit an aeration signal to at least one aeration device 10,

 a common supply source 215 supplying each aeration device 10.

 Both devices 10 are powered by a common power source 215. This power source 215 is, for example, a mains power supply connected to each energy storage means, not shown, of each aeration device.

 The alarm unit 205 is, for example, an electronic circuit wirelessly connected to sensors, not shown, of values representative of physical quantities. These sensors transmit the sensed values to the central alarm unit 205 and, depending on these sensed values, the alarm center 205 detects whether or not a fire has occurred. Such a physical quantity captured is, for example, a density of smoke in the ambient air. If this smoke density is greater than a predetermined limit value by the alarm center 205, the alarm center 205 detects the presence of a fire in the site. When a fire is detected, the alarm center 205 transmits to each ventilation device 10 a smoke evacuation signal.

 Each ventilation device 10 supplies the opening of an opening, not shown, by means of a jack, not shown, by the storage means previously loaded by the common power source 215.

The central ventilation 210 is, for example, an electronic circuit associated with the alarm central 205. The ventilation unit 210 communicates with a user interface, not shown, remote or not the ventilation unit 210. This user interface allows a user to control an opening degree of at least one opening. Depending on the degree of opening of at least one door entered by a user, the ventilation unit 210 transmits to each aeration device 10 controlling a jack configured to open each said opening a ventilation signal. Each aeration device 10 receiving an aeration signal feeds the opening of the opening of the ventilation device 10 through the common power source 215. When at least two ventilation devices 10 must be actuated, the ventilation unit 210 orders the subsequent actuation of each ventilation device 10 to be actuated. In this way, the electrical intensity required to operate one or more devices 10 is not greater than the electrical intensity available at the common power source 205. In variants, the device 20 comprises more than two devices 10 and the electrical intensity available at the ventilation unit 210 allows, for example, only to feed two aeration devices 10 simultaneously. In these variants, the ventilation unit 210 controls the simultaneous opening of the two aeration devices 10 in a first step and then, in a second step, the opening of the third aeration device 10.

 In this embodiment, with an ordinary power source 215, it is possible to control both a simultaneous and rapid opening, "in parallel", of the openings or a consecutive opening, "in series", of the openings when no fire hazard is detected.

 FIG. 3 shows a particular step logic diagram of the method that is the subject of the present invention. This method of aeration of a site by a plurality of aeration devices each provided with an opening cylinder of an opening comprises:

 a step 305 of charging, in each aeration device, a means of energy storage associated with said aeration device, by supplying the means for storing electrical energy by a common power supply source to the devices; ventilation,

 a step 310 of waiting, by each device, of a control signal for opening or closing of the openings, received either from an alarm center or from a ventilation unit,

- In case of receipt of a control signal opening or closing of the openings from the ventilation unit, a step 315 of opening or closing successive opening, feeding the cylinders with the common supply devices aeration, the electrical current delivered by the common supply being less than the sum of the electrical intensities necessary for simultaneously supplying the cylinders and in the event of reception of an opening opening control signal from the alarm control unit, a step 320 of simultaneous opening of the openings by supplying the jack of each device with the energy storage means associated with said device.

 Step 305 charging is carried out, for example, by wiring each aeration device to a common power source. This common power source is, for example, the mains power supply. In addition, this power source is configured to feed an opening cylinder of an opening of a device upon receipt by said device of an aeration signal. This charging step 305 is performed, moreover, by wiring a supercapacitor to each aeration device. This superconductor is powered by the common power source and is charged by this power source. In addition, each energy storage means is configured to feed an opening cylinder of the opening of the ventilation device during reception by said device of a smoke evacuation signal.

 The waiting step 310 is performed, for example, by the implementation of a wireless communication means of each aeration device connected to the alarm center. This communication means is configured to receive an opening signal of the opening of the device. This opening signal is either:

 - a smoke evacuation signal or

 - a ventilation signal.

 The step 315 of opening or closing successive opening is carried out, for example, by the implementation of each jack associated with an opening to open powered by the common power source.

 The step 320 of simultaneous opening is carried out, for example, by the implementation of each jack associated with an opening to open powered by the energy storage means associated with the device comprising the jack.

Claims

1. Device (10) for ventilating a room, characterized in that it comprises:
 a jack (105) configured to open an opening (1 10) of the room,
 - means (1 15) for pairing with an alarm center,
 actuator control means (120) configured to control the opening or closing of the sash as a function of a signal received,
 wireless communication means (125) with the alarm control unit configured to receive a smoke evacuation signal,
 - means (130) for storing electrical energy, charged by a source (135) of power supply, configured to supply the cylinder when opening the opening following the receipt of an evacuation signal of smoke.
2. Device (10) according to claim 1, wherein:
 the communication means (125) is configured to receive an aeration signal,
 the means (120) for controlling the jack is configured to control the opening of the opening (1 10) as a function of the aeration signal received and
 - The power source (135) is configured to power the cylinder (105) when opening the opening.
3. Device (10) according to claim 2, wherein the aeration signal comprises information representative of an opening degree of the opening, the control means (120) being configured to control a degree of opening opening (1 10) according to the information representative of an opening degree of the opening.
4. Device (10) according to one of claims 1 to 3, wherein the means (125) for communication is a wireless spread spectrum communication means with the control panel.
5. Device (10) according to one of claims 1 to 4, which comprises:
a sensor (140) of a value representative of a physical quantity, a detector (145) configured to determine information relating to the opening (1 10) as a function of the value sensed,
the communication means (125) being configured to transmit a signal representative of the detected information to the alarm center.
6. Device (10) according to claim 5, wherein the detector (145) is configured to determine information representative of the opening degree of the opening (1 10) according to the sensed value.
7. Device (10) according to one of claims 5 or 6, wherein:
 the jack (105) comprises a rotary motor (150),
 the sensor (140) is a revolution counter of the motor and
 the detector (145) detects a degree of opening of the opening (1 10) as a function of the number of engine revolutions counted.
8. Device (10) according to claim 7, wherein the motor (150) is a brushless motor (in English "brushless") and the sensor (140) is a Hall effect sensor.
9. Device (10) according to one of claims 5 to 8, which comprises means (155) for measuring a duration since a modification of a physical quantity sensed by the sensor (140), the communication means ( 125) being configured to emit an alert signal when the measured duration is greater than a predetermined time limit.
10. Device (10) according to one of claims 1 to 9, wherein the means (130) of energy storage is a supercapacitor.
1 1. Device (10) according to one of claims 1 to 10, which comprises:
 a sensor (1 60) of a value representative of a physical quantity of environment of the device,
a fire detector (1 65) configured to detect a fire according to the sensed value, the communication means (125) being configured to transmit a signal representative of the detection of a fire towards the alarm center.
12. Device (10) according to one of claims 1 to 1 1, which comprises:
 means (170) for verifying the operating state of the communication means (125) as a function of a signal received from the alarm control unit by the communication means after the verification means has commanded the means of communication the transmission of a standard information to the central alarm and
 means (175) for actuating an audible and / or visual alarm (180) as a function of the received signal.
13. Device (10) according to one of claims 5 and / or 1 1 and one of claims 1 to 12, which comprises means (185) for checking the operating state of a sensor (140, 1 60) configured to control, by means of communication (125), the transmission of information representative of the operating state of the sensor.
14. Device (20) for securing a site, characterized in that it comprises:
 at least one ventilation device (10) for a room according to one of claims 1 to 13,
 an alarm central (205) paired with each ventilation device of a room configured to transmit a smoke evacuation signal during the detection of a fire,
 a ventilation unit (210) configured to transmit an aeration signal to at least one aeration device,
 a common supply source (215) supplying each aeration device.
15. A method (30) of aeration of a site by a plurality of ventilation devices each provided with an opening cylinder of an opening, characterized in that it comprises:
a step (305) for charging, in each aeration device, energy storage means associated with said aeration device, feeding the means for storing electrical energy by a common power source for the aeration devices,
 a step (310) of waiting, by each device, of a control signal for opening or closing of the openings, received either from an alarm central or from a ventilation unit,
 - In case of receipt of a control signal for opening or closing of the openings from the ventilation unit, a step (315) of opening or closing successive opening, feeding the cylinders with the common supply to the aeration devices, the electrical current delivered by the common power supply being less than the sum of the electrical intensities necessary for simultaneously supplying the jacks and
 - In the event of reception of an opening opening control signal from the alarm control unit, a step (320) of simultaneous opening of the openings by supplying the jack of each device with the energy storage means associated with said device.
PCT/EP2014/079263 2013-11-14 2014-12-23 Device for ventilating a room, device for protecting a site and method for ventilating a site WO2015097258A1 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
FR1363502A FR3013070B1 (en) 2013-11-14 2013-12-23 Device for aeration of a local, device for securing a site and method for aeration of a site
FR1363502 2013-12-23

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP14850107.5A EP3087556A1 (en) 2013-12-23 2014-12-23 Device for ventilating a room, device for protecting a site and method for ventilating a site
US15/106,310 US20170003048A1 (en) 2013-12-23 2014-12-23 Device for ventilating a room, device for protecting a site and method for ventilating a site

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WO2018235027A1 (en) * 2017-06-22 2018-12-27 Belimo Holding Sa Actuator system

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