EP3432298A1 - Elektronische anzeigevorrichtung, entsprechendes elektronisches anzeigesystem und gebäude, insbesondere einkaufszentrum, das ein solches anzeigesystem umfasst - Google Patents

Elektronische anzeigevorrichtung, entsprechendes elektronisches anzeigesystem und gebäude, insbesondere einkaufszentrum, das ein solches anzeigesystem umfasst Download PDF

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Publication number
EP3432298A1
EP3432298A1 EP17305976.7A EP17305976A EP3432298A1 EP 3432298 A1 EP3432298 A1 EP 3432298A1 EP 17305976 A EP17305976 A EP 17305976A EP 3432298 A1 EP3432298 A1 EP 3432298A1
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EP
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Prior art keywords
sensor
electronic
building
display device
module
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EP17305976.7A
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English (en)
French (fr)
Inventor
Régis MIGDAL
Sébastien HULEUX
Sylvain REGNIER
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Priority to EP17305976.7A priority Critical patent/EP3432298A1/de
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    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F27/00—Combined visual and audible advertising or displaying, e.g. for public address
    • G09F27/005—Signs associated with a sensor
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B19/00—Alarms responsive to two or more different undesired or abnormal conditions, e.g. burglary and fire, abnormal temperature and abnormal rate of flow
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
    • G09F9/30—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F27/00—Combined visual and audible advertising or displaying, e.g. for public address
    • G09F2027/001—Comprising a presence or proximity detector

Definitions

  • the present invention relates to an electronic information display device for a building intended to receive from the public, the device comprising a display module configured to display information on a display screen.
  • the invention also relates to an electronic information display system for a building intended to receive the public, the system comprising at least one such electronic display device, a communication network, and an electronic control device connected to each electronic display device via the communication network.
  • the invention also relates to a building, such as a shopping center, intended to receive the public and including such an electronic information display system.
  • the invention applies to the field of electronic display devices for buildings intended to receive the public, also known as establishments receiving the public, also known by the acronym ERP, such as shopping centers.
  • Document is known FR 3 036 220 A1 an electronic display device of the aforementioned type.
  • This electronic display device is an electronic bulletin board further comprising at least one sensor. It is for example a passive infrared presence detector, a presence detector by infrared reflection, ultrasound or electromagnetic waves, an ambient light detector to adapt the viewing conditions of the devices.
  • display means such as backlighting, or light emission in emissive display solutions or ambient lighting level for passive display solutions such as those referred to as digital ink or electronic paper. They are also still image or video sensors, biometric sensors or a badge reader or RFID tags, for example for the identification of people viewing the contents.
  • the array includes at least one sensor for detecting damage to its physical integrity and / or for detecting intrusions in the premises where it is installed. It is expected that the corresponding information will be exploited by a local alarm, for example by activating a buzzer with high acoustic power integrated in the board and / or by the transmission of an alarm to remote supervision or monitoring means.
  • the electronic bulletin board further comprises software and / or hardware means for cooperating with an external system. It is an information system in link with the information to be displayed for example to "vote" among a plurality of displayed information, to transmit statistics on the number of people who have been exposed to the display, to cooperate with a building technical management system, with a lighting or heating system of the display site, with an alarm system, for alerting remote management or supervision means in case of damage to the integrity of the device or its fixation, in the event of intrusion into the premises or the board is installed outside periods where this is allowed etc.
  • the invention is then to provide an electronic information display device for a building intended to receive the public, to improve the control of an electronic device, or electronic system, associated with the building.
  • the electronic display device then makes it possible to improve the control of the electronic device associated with the building, in comparison with the electronic display device of the state of the art, by transmitting to the control device the set of magnitudes measured by the set of sensors, the set of sensors comprising a pair of sensors selected from a pair of an environmental sensor and a detection sensor and a pair formed of a sound sensor and a motion sensor.
  • the set of quantities measured, transmitted to the control device for a more efficient control of the electronic device comprises both an environmental quantity and a detection quantity, or both a sound level and a measured quantity.
  • the motion sensor such as a flow of people or a detected motion.
  • the measured environmental magnitude is a concentration of carbon dioxide, a temperature or a humidity level, each environmental sensor being a carbon dioxide sensor, a temperature sensor or a humidity sensor.
  • the detection quantity is a set of image (s) of a scene, a detected motion or a measured flow of people, each detection sensor being an image sensor, a motion sensor or a counting sensor. people.
  • the invention also relates to an electronic information display system for a building intended to receive from the public, the system comprising at least one electronic display device, a communication network, and an electronic control device connected to each electronic display device via the communication network, the electronic control device being configured to control at least one electronic device associated with the building, at least one electronic display device being as defined above.
  • the invention also relates to a building, such as a shopping center, intended to receive the public and comprising an electronic information display system, the electronic display system being as defined above.
  • a building 10 intended to receive the public comprises an electronic information display system 12, the display system 12 comprising at least one electronic information display device 14, a communication network 16 and an electronic device control unit 18 connected to each electronic display device 14 via the communication network 16.
  • the building 10 also comprises at least one electronic device 20, distinct from each electronic display device 14, the control device 18 being configured to control each electronic device 20 associated with the building 10.
  • the building 10 comprises several electronic devices 20, such as a ventilation apparatus 20A, an air conditioning apparatus 20B, a heater 20C, a lighting apparatus 20D and a sound apparatus 20E.
  • Building 10 is also known as the Public Facility and is also known as ERP. Building 10 is for example a shopping center.
  • the building 10 comprises various walls 22, such as walls, ceilings or a floor, and each electronic display device 14 is preferably adapted to be fixed to a wall 22 of the building.
  • an electronic display device 14 is in the form of an electronic display panel 24 fixed to a ceiling via one or more fasteners 26.
  • the information display system 12 preferably comprises a plurality of electronic display devices 14, each connected to the communication network 16, the electronic display devices 14 being arranged in different positions inside or outside. 10. In the example of the figure 1 each electronic display device 14 is disposed inside the building 10.
  • Each electronic display device 14 includes a display module 28 configured to display information on a display screen 30.
  • Each electronic display device 14 comprises, according to the invention and as shown in FIG. figure 2 , a set 32 of sensors 34, the assembly 32 comprising a pair of sensors 34 chosen from a pair formed of an environmental sensor and a detection sensor and a pair formed of a sound sensor and a sensor of movement.
  • Each electronic display device 14 comprises a transmission module 36 configured to transmit a set of quantities measured by the set 32 of sensors 34 to the electronic control device 18, for the control of at least one electronic device 20 as a function of the set of measured quantities.
  • each electronic display device 14 further comprises a radio transceiver 38 coupled to a radio antenna 40.
  • the electronic display device 14 further comprises a radio communication module 42 configured to transmit and / or receive radio signals from and / or to an electronic equipment, not shown, external to the electronic device.
  • the radio communication module 42 is preferably a short range communication module, that is to say whose range is of the order of a few tens of meters and typically less than 100 meters.
  • the radio communication module 42 is for example a communication module BLE (English Bluetooth Low Energy ) or an NFC communication module (English Near Field Communication ).
  • the electronic equipment is then for example a user terminal capable of communicating with the radio communication module 42 according to the communication standard implemented by said module, for example according to the BLE standard or according to the NFC standard.
  • the electronic display device 14 further comprises an access terminal 44 to a radio communication network, not shown, said radio network being connected to the Internet.
  • the base station 44 is then configured to provide access to a wireless network allowing mobile device users to connect to the Internet.
  • the base station 44 is for example a Wi-Fi access point, or a Wi-Fi point (of the English Wi-Fi hotspot ) giving access to a wireless network compliant with the Wi-Fi standard. Wi-Fi wireless network being itself connected to the Internet.
  • the electronic display device 14 further comprises a satellite positioning module 46, configured to calculate a geographical position from signals received from a satellite positioning system, not shown.
  • the transmission module 36 is then configured to further transmit the calculated geographical position to the electronic control device 18, for the control of the electronic device 20 in addition to the calculated geographical position.
  • the satellite positioning system is also called GNSS ( Global Navigation Satellite System), and is for example the GPS ( Global Positioning System ), the GLONASS system, the GALILEO system or the system. BEIDOU.
  • the satellite positioning module 46 is then, for example, a GPS, GLONASS, GALILEO or BEIDOU module respectively, calculating the geographical position of the location of this positioning module from GPS, GLONASS, GALILEO or BEIDOU type received signals, respectively. .
  • the electronic display device 14 comprises a first information processing unit 50, formed for example of a first memory 52 and a first processor 54 associated with the first memory 52.
  • the electronic display device 14 further comprises the display screen 30.
  • the electronic display device 14 is then for example an electronic display panel 24 comprising a protective housing 56.
  • the various aforementioned elements of the device electronic display 14, including the display module 28, the set 32 of sensors, and the transmission module 36, are disposed inside the protective housing 56, this with the exception of the display screen 30 when included in the display device 14, the protective housing 56 having an opening 58 for receiving the display screen 30.
  • the electronic display device 14 further comprises a speaker, not shown.
  • the communication network 16 comprises, for example, a communication bus 60 to which each electronic display device 14, the electronic control device 18 and each electronic device 20 are connected by means of corresponding data links 62.
  • the communication bus 60 is a wired bus and the data links 62 are wired links.
  • the communication network 16 is a radio network, and the data links 62 are radioelectric.
  • the electronic control device 18 comprises a reception module 60 configured to receive a set of quantities measured by at least one electronic display device 14.
  • the electronic control device 18 comprises a control module 62 configured to transmit a control instruction to the corresponding electronic apparatus 20 from the set of measured variables received by the reception module 60.
  • the electronic control device 18 comprises a second information processing unit 64, formed for example of a second memory 66 and a second processor 68 associated with the second memory 66.
  • the electronic control device 18 is for example a server computer, or a communicating platform.
  • Each electronic device 20 controlled by the control device 18 is an apparatus associated with the building 10 and implementing a technical function for this building 10, that the apparatus 20 is disposed inside or outside the building 10.
  • Each electronic device 20 is also called electronic system and comprises one or more units arranged in different positions, inside or outside the building 10, to implement said technical function associated with the building 10.
  • Each electronic apparatus 20 is preferably selected from the group consisting of: a ventilation apparatus 20A, an air conditioning apparatus 20B, a heater 20C, a lighting apparatus 20D and a sound apparatus 20E.
  • the technical function implemented by the ventilation device 20A is then the ventilation of the air inside the building 10.
  • the technical function implemented by the air conditioning unit 20B is the air conditioning of the building.
  • the heater 20C is the heating of the building 10.
  • the technical function implemented by the lighting apparatus 20D is the illuminance of the interior of the building 10 and / or the exterior of the building 10 near it.
  • the technical function implemented by the sound system 20E is the sound of the interior of the building 10 and / or the outside of the building 10 near it.
  • the surroundings of the building 10 correspond to an area of the order of a few tens of meters around the building 10, and typically to the zone outside the building 10 being less than 200 meters, and preferably less than 100 meters, of said building.
  • the display module 28 and the transmission module 36 are each implemented as software executable by the first processor 54.
  • the first memory 52 of the first information processing unit 50 is then able to store a display software configured to display information on the display screen 30, and a transmission software configured to transmitting the set of measured quantities to the electronic control device 18.
  • the first memory 52 of the first information processing unit 50 is capable of storing a communication software configured to transmit and / or receive, via in addition to a corresponding transceiver, radio signals from and / or to the electronic equipment external to the display device 14; set-up software, further via a corresponding transceiver, of an access terminal to the radio communication network; and satellite positioning software configured to calculate the geographical position of the display device 14 from signals received from the satellite positioning system.
  • the first processor 54 of the first information processing unit 50 is then able to execute the display software and the transmission software, as well as in optional addition the communication software, the software for setting up the terminal access and satellite positioning software.
  • the display module 28 and the transmission module 36, as well as the optional addition of the communication module 42, the access terminal 44 and the positioning module 46, are each made in the form of a programmable logic component, such as an FPGA ( Field Programmable Gate Array), or in the form of a dedicated integrated circuit, such as an ASIC (English Applications Specific Integrated Circuit ).
  • a programmable logic component such as an FPGA ( Field Programmable Gate Array)
  • ASIC American Applications Specific Integrated Circuit
  • the set 32 of sensors 34 comprises the pair of sensors selected from the pair formed by the environmental sensor and the detection sensor and the pair formed by the sound sensor and the motion sensor.
  • the assembly 32 comprises at least three sensors 34, the assembly 32 then comprising the pair of sensors and at least one additional sensor.
  • Each environmental sensor is selected from the group consisting of: a carbon dioxide sensor, a temperature sensor and a humidity sensor. Each environmental sensor is able to measure a corresponding environmental magnitude, and the measured environmental magnitude is then a concentration of carbon dioxide, a temperature, or a humidity level.
  • Each detection sensor is selected from the group consisting of: an image sensor, a motion sensor and a people counting sensor. Each detection sensor is able to measure a corresponding detection quantity, and the measured detection quantity is then a set of image (s) of a scene, a movement, such as a movement of person (s), detected , or a measured flow of people.
  • Each additional sensor is selected from the group consisting of: a carbon dioxide sensor, a temperature sensor, a humidity sensor, a brightness sensor, a pollution sensor, an image sensor, a sound sensor, a motion sensor and a people counting sensor.
  • Each additional sensor is preferably a sensor of a type distinct from those of the two sensors of the pair included in the assembly 32.
  • Each sensor 34 is for example configured to measure a quantity inside the building 10. Each measured quantity is then selected from the group consisting of: a concentration of carbon dioxide in the air inside the building 10; a temperature inside the building 10; a humidity level in the air inside the building 10; a luminous intensity inside the building 10; a concentration in the air inside the building 10 in polluting elements, such as nitrogen oxides, volatile organic compounds, ozone, microparticles, sulfur dioxide, carbon monoxide and heavy metals; a sound level inside the building 10; and a flow of people inside the building 10.
  • the outer dimensions of the protective housing 56 are between 0.5 m and 3 m in length, between 0.2 m and 1.5 m in height, and between 2 cm and 50 cm in thickness.
  • the outer dimensions of the protective housing 56 are preferably between 1 m and 2.5 m in length, between 0.5 m and 1.2 m in height, and between 5 cm and 20 cm in thickness, and preferably substantially equal to 2.15 m in length, 0.9 m in height and 15 cm in thickness.
  • the control module 66 is configured to generate a command instruction of the respective electronic apparatus 20 according to a corresponding control law.
  • Each control law is specific to a respective type of apparatus among the ventilation apparatus 20A, the air conditioning apparatus 20B, the heater 20C, the lighting apparatus 20D and the sound apparatus 20E.
  • the control law is then selected from the group consisting of: a ventilation control law, a control law in air conditioning, a heating control law, a lighting control law and a control law in sound.
  • control laws as a function of the measured quantities are described in more detail below with reference to the figure 3 showing a flowchart of the control method of the respective electronic apparatus.
  • the reception module 64 and the control module 66 are each produced in the form of software executable by the second processor 72.
  • the second memory 70 of the second information processing unit 68 is then able to store a software of receiver configured to receive the set of measured quantities from the corresponding display device (s) 14 and control software configured to generate a control command of the respective electronic apparatus from the received set of quantities measured, and then to transmit the generated command instruction to the respective electronic apparatus.
  • the second processor 72 of the second information processing unit 68 is then able to execute the reception software and the control software.
  • the receiving module 64 and the control module 66 are each made in the form of a programmable logic component, such as an FPGA (English Field Programmable Gate Array), or in the form of a dedicated integrated circuit, such as an ASIC (English Applications Specific Integrated Circuit ).
  • a programmable logic component such as an FPGA (English Field Programmable Gate Array)
  • ASIC American Applications Specific Integrated Circuit
  • the transmission module 36 acquires, from the set 32 of sensors, values of the set of quantities measured by said set 32.
  • the values acquired are, for example, the last value measured for each quantity of the set, that is to say the last value measured for each sensor 34 included in the corresponding display device 14.
  • the values acquired are the N last values measured for each quantity of the set, that is to say the N last values measured for each sensor 34 included in the corresponding display device 14, where N is a predefined integer and greater than or equal to 2.
  • the values acquired are the last values measured during a time period preceding the acquisition for each quantity of the set, the duration of said time period being predefined.
  • the transmission module 36 then transmits, during the next step 110, the set of measured quantities to the control device 18. More specifically, the transmission module 36 transmits the values acquired from the set of sensors 32. . When the values acquired consist of the last measured value for each sensor 34 included in the display device 14, the transmission module 36 transmits all the acquired values to the control device 18. When several values are acquired for a respective sensor 34 , the transmission module 36 transmits all the values acquired for this sensor 34 to the control device 18, or transmits to the control device 18 only an average of the values acquired for this sensor 34.
  • the reception module 64 of the control device 18 then receives the set of measured variables from the corresponding display device 14, and the control module 66 controls, in the next step 120, the electronic device 20 corresponding according to the set of measured quantities received from said display device 14 and according to the respective control law among the ventilation control law, the control law in air conditioning, the heating control law, the control law in lighting and the control law in sound system.
  • the ventilation control law comprises, for example, an increase in the air flow ventilated by the ventilation device 20A when an increase in the concentration of carbon dioxide is detected and a number of people greater than a first predefined threshold.
  • the increase in the ventilated airflow is maintained until a minimum decrease in carbon dioxide concentration is detected or until the number of people is less than the first predefined threshold.
  • the first predefined threshold is for example equal to 50 people per 100 m 2 area , or to 100 people per 100 m 2 area .
  • the ventilation control law comprises an increase in the airflow ventilated by the ventilation device 20A, for at least one geographical zone associated with the display device 14 having transmitted the set of measured variables, in case of detection of an increase in the concentration of carbon dioxide and / or temperature and detection of a population density greater than a first predefined density threshold, the population density being obtained via the image sensor or by calculating a ratio between the number of people and the area of the corresponding area.
  • the ventilation control law comprises an increase in the air flow ventilated by the ventilation device 20A in case of detection of an increase in temperature and a number of people greater than a second predefined threshold.
  • the increase in the ventilated airflow is maintained until a minimum decrease in temperature is detected or until the number of people is less than the second predefined threshold.
  • the second predefined threshold is for example equal to 50 people per 100 m 2 zone, or to 100 people per 100 m 2 zone.
  • the taking into account of the detection quantity, such as the number of people or the density of people, in addition to the environmental size, such as the concentration of carbon dioxide or the temperature allows to control more precisely the air flow ventilated by the ventilation apparatus 20A, an increase in the concentration of carbon dioxide or in the temperature having an influence on the ventilation only if the number of people is greater than a threshold predefined or if the density of people is too high in the corresponding area. It should also be noted that the increase in the ventilated airflow will be greater the more the control means 66 detects both an increase in carbon dioxide concentration or temperature and an increase in the number or the density of people.
  • the ventilation control law defines a control of the ventilation rate according to predefined levels Vent_i, the value of which increases with the increase of the value of an index i, where Vent_1 corresponds to a minimum ventilation flow rate. and Vent_4 corresponding to a maximum ventilation rate.
  • the ventilation flow rate is, for example, controlled according to these predefined levels Vent_i as a function of thresholds of density of people and concentration of carbon dioxide, as indicated in Table 1 below.
  • the ventilation flow rate is, for example, controlled according to these predefined levels Vent_i as a function of thresholds of density of people and humidity levels, as indicated in Table 2 below. after.
  • the ventilation flow rate is controlled at the level Vent 2 when the concentration of CO 2 is between 800 and 1100 ppm at the level of Vent_3 when the CO 2 concentration is between 1100 and 3000 ppm, the evacuation being controlled when this CO 2 concentration is greater than 3000 ppm.
  • the control law in air conditioning comprises for example an increase in air conditioning by the air conditioning unit 20B in case of detection of an increase in temperature and a number of people greater than a third predefined threshold.
  • the increase in air conditioning is maintained until a minimum decrease in temperature is detected or until the number of people is less than the third predefined threshold.
  • the control law in air conditioning includes an increase in air conditioning by the air conditioning unit 20B, for at least one geographical zone associated with the display device 14 having transmitted the set of measured quantities, in case of detection of both an increase in temperature and a population density greater than a second predefined density threshold.
  • the detection quantity such as the number or density of people
  • the environmental magnitude such as temperature
  • the increase in air conditioning will be all the more important that the control means 66 will detect both an increase in temperature and an increase in the number or density of people.
  • control law in air-conditioning defines a control of the air-conditioning flow according to predefined levels Clim_j, the value of which increases with the increase of the value of an index j, Clim_1 corresponding to a minimum air-conditioning flow rate. and Clim_4 corresponding to a maximum air conditioning flow.
  • the air conditioning flow is for example controlled according to these predefined levels Clim_j according to thresholds of density of people and moisture content, as indicated in Table 2 below.
  • the air conditioning flow is for example controlled according to these predefined levels Clim_j according to thresholds of density of people and temperature, as indicated in Tables 3 and 4 below. .
  • Table 2 the person density thresholds above which the respective level of ventilation or air-conditioning flow is controlled are shown in columns, and the moisture level thresholds above which the respective level of flow rate is determined. Ventilation or air conditioning is controlled are shown in lines. 'Evacuation' corresponds to a situation where the maximum ventilation or air-conditioning flow rate is not sufficient and where the building must also be evacuated 10.
  • Table 2 Thresholds of density of people (in number of people per zone of 100 m 2 ) 50 100 200 Humidity thresholds (in%) 0 Vent_1 Vent_1 Clim_3 30 Vent_1 Vent_2 Clim_4 80 Vent_2 Clim_2 Evacuation 95 Vent_3 Clim_3 Evacuation
  • the heating control law comprises for example an increase in heating by the heater 20C in the event of detection of a decrease in temperature and a number of people greater than a fourth predefined threshold.
  • the increase in heating is maintained until a minimum increase in temperature is detected or until the number of people is less than the fourth preset threshold.
  • the heating law also includes, for example, an increase in heating, for at least one geographical zone associated with the display device 14 having transmitted the set of measured quantities, in the event of detecting a decrease in the temperature and detecting a population density greater than a third predefined density threshold.
  • the heating control law defines a control of the heating according to predefined levels Chauf_k, the value of which increases with the increase of the value of an index k, Chauf_1 corresponding to a quantity of minimum heat and Chauf_3 corresponding to a maximum amount of heat.
  • the quantity of heat produced is, for example, controlled according to these predefined levels Chauf_k as a function of thresholds of density of people and of temperature, as indicated in Table 4 below.
  • Tables 3 and 4 the person density thresholds above which the respective level of ventilation flow, air conditioning flow or amount of heat produced is controlled are shown in rows, and the temperature thresholds beyond of which the respective level of ventilation flow, air conditioning flow rate or amount of heat produced is controlled in columns. 'Evacuation' corresponds to a situation where the maximum ventilation or air-conditioning flow rate is not sufficient and where the building must also be evacuated 10.
  • the air conditioning flow is controlled at level Clim_1 when the density of people is less than 100 people per 100 m 2 zone, at the level of Clim_2 when the population density is between 100 and 200 people per 100 m 2 zone, at the level of Clim_3 when the population density is greater than 200 people per 100 m 2 zone.
  • the air-conditioning flow rate is controlled for example at the level of Clim_3 when the density of people is less than 50 people per zone of 100 m 2 , at level Clim_4 when the density of people is between 50 and 100 persons per 100 m 2 zone, the evacuation of building 10 being controlled when this density of persons is greater than 100 persons per zone of 100 m 2 .
  • the lighting control law is a function of the detection quantity measured by the detection sensor, as well as the intensity measured by the brightness sensor, when the set 32 of sensors further comprises a brightness sensor as a sensor. additional sensor.
  • the control law in the sound system comprises for example the emission of a sound alert by the sound system 20E in case of detection of both a significant increase in humidity and a panic movement of people or a population density greater than a fourth predefined density threshold.
  • the significant increase in the humidity level corresponds to a minimum variation of the humidity level or to a temporal derivative of the moisture content higher than a minimum derivative.
  • the panic movement is detected via the images provided by the image sensor or via the movements detected by the motion sensor.
  • control law for the sound system defines a control of the sound alert level according to predefined levels Alerte_m, the value of which increases with the increase of the value of an index m, Alerte_1 corresponding to a level sound alert and Alert_4 corresponding to a maximum level of the audible alert.
  • the level of the audible warning that is to say the sound level of the alert issued
  • Alert_m according to thresholds of density of people and motion detection as shown in Table 5 below.
  • the normal threshold corresponds to a majority of people walking or stopping
  • the high threshold corresponds to a majority of people running
  • the very high threshold corresponds to a majority of people in panic.
  • the building operator In addition to generating this alert, the building operator is also informed in order to be able to intervene on the water evacuation system and / or the closing of doors of building 10.
  • the control law in the sound system comprises the emission of a sound alert by the sound device 20E in case detection of both a sound level above a minimum sound level and a panic movement of people.
  • the building operator is also informed in order to be able to coordinate the evacuation flow and / or intervene on the closing of doors of building 10.
  • the combined consideration of two quantities of different natures, such as the environmental size and the detection quantity, or the sound level and the detected motion, via the pair of sensors 34 included in the display device of information 14 according to the invention makes it possible to more effectively control the associated electronic device 20 and to better respond to a given situation, in particular inside the building 10.

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EP17305976.7A 2017-07-21 2017-07-21 Elektronische anzeigevorrichtung, entsprechendes elektronisches anzeigesystem und gebäude, insbesondere einkaufszentrum, das ein solches anzeigesystem umfasst Withdrawn EP3432298A1 (de)

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Citations (4)

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EP1713044A2 (de) * 2005-04-11 2006-10-18 Robert Bosch GmbH System und Verfahren zur Bereitstellung von Informationen für den Benutzer eines Sicherheitssystems
WO2016109178A1 (en) * 2014-12-30 2016-07-07 Google Inc. Learned overrides for home security
FR3036220A1 (fr) 2015-05-12 2016-11-18 Ergylink Tableau d'affichage electronique, systeme et procede associes.

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* Cited by examiner, † Cited by third party
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EP1713044A2 (de) * 2005-04-11 2006-10-18 Robert Bosch GmbH System und Verfahren zur Bereitstellung von Informationen für den Benutzer eines Sicherheitssystems
WO2016109178A1 (en) * 2014-12-30 2016-07-07 Google Inc. Learned overrides for home security
FR3036220A1 (fr) 2015-05-12 2016-11-18 Ergylink Tableau d'affichage electronique, systeme et procede associes.

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