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

Abstract

A device for ventilating a room includes an actuator configured to open an opening panel of the room and a pairer to pair with an alarm control unit. A controller to control the actuator, configured to control the opening or the closing of the opening panel in accordance with a received signal. A transmitter to communicate wirelessly with the alarm control unit configured to receive a smoke evacuation signal. A battery to store electrical energy, charged by an electrical power supply, configured to power the actuator during the opening of the opening panel following the receipt of a smoke evacuation signal.

1 - 15 . (canceled) 
     
     
         16 . Device for ventilating a room, comprising:
 an actuator configured to open an opening panel of the room;   a pairer to pair the device with an alarm control unit;   a controller to control the actuator, configured to control an opening or closing of the opening panel in accordance with a received signal;   a transmitter to communicate wirelessly with the alarm control unit configured to receive a smoke evacuation signal; and   a battery to locally store electrical energy, charged by a remote electrical power supply, configured to power the actuator, with an electrical current that is higher than an electrical current delivered by the remote electrical power supply, during the opening of the opening panel immediately following the receipt of a smoke evacuation signal.   
     
     
         17 . The device according to  claim 16 , wherein the transmitter is configured to receive a ventilation signal; wherein the controller is configured to command the opening of the opening panel according to the ventilation signal received; and wherein the remove electrical power supply is configured to power the actuator during the opening of the opening panel. 
     
     
         18 . The device according to  claim 17 , wherein the ventilation signal comprises a piece of information representative of a degree of opening for the opening panel; wherein the controller is configured to command the degree of opening of the opening panel according to the piece of information representative of the degree of opening of the opening panel. 
     
     
         19 . The device according to  claim 16 , wherein the transmitter is a spread-spectrum wireless transmitter. 
     
     
         20 . The device according to  claim 16 , comprising:
 a sensor to capture a value representative of a physical magnitude;   a detector configured to determine a piece of information relative to the opening panel as a function of the captured value; and   wherein the transmitter is configured to transmit a signal representative of the determined piece of information to the alarm control unit.   
     
     
         21 . The device according to  claim 20 , wherein the detector is configured to determine a piece of information representative of the degree of opening of the opening panel as a function of the captured value. 
     
     
         22 . The device according to  claim 20 , wherein the actuator comprises a rotary motor;
 wherein the sensor is a revolution counter for the rotary motor; and wherein the detector detects a degree of opening of the opening panel according to the number of motor revolutions counted.   
     
     
         23 . The device according to  claim 22 , wherein the rotary motor is a brushless motor and the sensor is a Hall Effect sensor. 
     
     
         24 . The device according to  claim 20 , further comprising a clock to measure a length of time since a change to the physical magnitude captured by the sensor; and wherein the transmitter is configured to emit a warning signal when the length of time measured is longer than a predefined limit time. 
     
     
         25 . The device according to  claim 20 , further comprising a verifier to verify a working condition of the sensor and configured to command the transmitter to emit a piece of information representative of the working condition of the sensor. 
     
     
         26 . The device according to  claim 16 , wherein the battery is a supercapacitor. 
     
     
         27 . The device according to  claim 16 , further comprising: a sensor to capture a value representative of a physical magnitude of the device's environment; and a fire detector configured to detect a fire as a function of the captured value; and wherein the transmitter is configured to send a signal representative of a detection of the fire to the alarm control unit. 
     
     
         28 . The device according to  claim 16 , further comprising: a verifier to verify a working condition of the transmitter as a function of a signal received, from the alarm control unit, by the transmitter after the verifier has commanded the transmitter to emit a standard piece of information to the alarm control unit; and an activator to activate at least one of a visual alarm and a sound alarm as a function of the signal received. 
     
     
         29 . The device for protecting a site, comprising at least two devices for ventilating a room according to  claim 16 ; and further comprising:
 an alarm control unit paired with each room ventilation device configured to transmit a smoke evacuation signal when a fire is detected, the actuators of the two devices for ventilating being simultaneously powered;   a ventilation control unit configured to transmit a ventilation signal to at least one ventilation device, the actuators of the two devices for ventilating being successively powered;   a common power supply source to power each ventilation device, the common power supply being remotely positioned from at least one device for ventilating and being configured to deliver an electrical current for charging the batteries of the devices for ventilating that is less than a sum of the electrical current required for simultaneously powering the actuators to simultaneously open the opening panels.   
     
     
         30 . A method for ventilating a site by a plurality of ventilation devices, each equipped with an actuator for opening an opening panel, comprising the steps of:
 charging, in each ventilation device, a battery integrated inside said each ventilation device, by powering the battery with a remote electrical power supply source common to the ventilation devices;   receiving an open or close control signal for the opening panels by said each ventilation device from either an alarm control unit or a ventilation control unit;   successively opening or closing the opening panels and powering the actuators by the remote electrical power supply source common to the ventilation devices in response to a reception of the open or close control signal from the ventilation control unit, an amperage output by the common power supply being less than a sum of amperages required to simultaneously power the actuators; and   simultaneously opening the opening panels in response a reception of the open control signal from the alarm control unit, each battery powering the corresponding actuator, with an electrical current that is higher than an electrical current delivered by the remote electrical power supply source, during the opening of the opening panels immediately following the receipt of a smoke evacuation signal.