EP4304303A1 - Système d'éclairage d'urgence et son procédé de fonctionnement - Google Patents

Système d'éclairage d'urgence et son procédé de fonctionnement Download PDF

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Publication number
EP4304303A1
EP4304303A1 EP22183228.0A EP22183228A EP4304303A1 EP 4304303 A1 EP4304303 A1 EP 4304303A1 EP 22183228 A EP22183228 A EP 22183228A EP 4304303 A1 EP4304303 A1 EP 4304303A1
Authority
EP
European Patent Office
Prior art keywords
emergency
lighting system
outdoor
controlling device
luminaires
Prior art date
Legal status (The legal status 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 status listed.)
Pending
Application number
EP22183228.0A
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German (de)
English (en)
Inventor
Deepak MAKWANA
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Tridonic GmbH and Co KG
Original Assignee
Tridonic GmbH and Co KG
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
Application filed by Tridonic GmbH and Co KG filed Critical Tridonic GmbH and Co KG
Priority to EP22183228.0A priority Critical patent/EP4304303A1/fr
Publication of EP4304303A1 publication Critical patent/EP4304303A1/fr
Pending legal-status Critical Current

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    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B47/00—Circuit arrangements for operating light sources in general, i.e. where the type of light source is not relevant
    • H05B47/10—Controlling the light source
    • H05B47/175—Controlling the light source by remote control
    • H05B47/19—Controlling the light source by remote control via wireless transmission
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B47/00—Circuit arrangements for operating light sources in general, i.e. where the type of light source is not relevant
    • H05B47/10—Controlling the light source
    • H05B47/105—Controlling the light source in response to determined parameters

Definitions

  • the present invention relates to an emergency lighting system covering indoor areas as well as outdoor areas by combining an indoor emergency lighting system with an outdoor lighting system and the respective method for operating the emergency lighting system.
  • Emergency lighting systems which are arranged inside a building are state-of-the-art. Specifically in large buildings like for example supermarkets, shopping malls hospitals and the like, escape plans exist, which guide people which are inside a building when an emergency situation occurs, to dedicated emergency exits. Emergency lighting systems which are established inside buildings are governed by standards. However, the need for guiding people to a safe place does not stop at an emergency exit of a building. Once the people that need to be evacuated from the building managed to follow the guided exit routes through hallways, stairwells and corridors, they exit the building and in many cases there is no further guidance which could bring them to a safe place.
  • the emergency lighting system comprises an indoor emergency lighting system, an outdoor lighting system and an energy storage.
  • the indoor emergency lighting system comprises at least one emergency luminaire, an emergency situation determination unit and the controlling device, which controls operation of the at least one emergency luminaire.
  • the emergency situation determination unit obtains information that allows to determine or directly determines a situation in which the building needs to be evacuated and thereby triggers a commonly known guidance, which is performed by the emergency lighting system arranged in the building.
  • the controlling device which controls the operation of the emergency luminaires inside the building, outputs an emergency situation information signal in response to a determined emergency situation.
  • the controlling device outputs a signal which informs the outdoor lighting system that an emergency situation was identified within the building.
  • the outdoor lighting system comprises at least one outdoor luminaire which is communicatively coupled to the controlling device and thus in a position to be able to recognise the signal output by the controlling device.
  • the outdoor lighting system is also capable of reacting in response to the determined emergency situation, thereby enhancing the evacuation and guidance to a safe assembly point in a distance from the building.
  • the outdoor lighting system may switch on its outdoor luminaires so that even an outside area of the building can be illuminated. This may even be done selectively by switching on only such luminaires which illuminate a path leading from the emergency exits of the building to the assembly point in a safe distance to the building.
  • the energy storage is configured to selectively supply power via power supply wiring to the at least one luminaire of the outdoor lighting system in response to the emergency situation information signal output by the controlling device.
  • the power supply of the outdoor lighting system which comprises usually only luminaires which are connected to a mains power supply by the power supply wiring, is switched to provide energy from an energy storage.
  • the mains power supply for the outdoor luminaires is interrupted, it is still possible to operate the outdoor luminaires of the outdoor lighting system thereby enabling that people evacuated from the building find their way to an assembly point.
  • the energy storage is connected to or comprises an inverter for supplying an AC current to the at least one outdoor luminaire of the outdoor lighting system.
  • outdoor luminaires of the outdoor lighting systems which are only capable of operating on an AC current as it is usually provided by a mains energy supply, can be integrated and used for illuminating an outdoor area with electrical energy supplied by an energy storage like for example a battery.
  • the battery provides a DC current which is converted by an inverter into an AC current such that the internal structure of the luminaires of the outdoor lighting systems does not need to be adapted.
  • the emergency situation determination unit is a unit connected to the controlling device which is capable of receiving information from a remote entity. In such a case, it is even possible to inform the indoor emergency lighting system about an emergency situation without directly sensing such an emergency.
  • the emergency situation determination unit is the sensor which is capable of physically sensing a characteristic of the environment which clearly can be associated with an emergency situation,for example, a fire sensor or the like. The sensor is communicatively coupled to the controlling device so that the controlling device can recognise an emergency situation.
  • the sensor may either directly determine that a emergency situation occurred and only provide the controlling device with an information about such occurrence, or the sensor may only forward the results of sensing the characteristic and an analysis in order to determine whether an emergency situation occurred or not is performed within the controlling device.
  • the sensor may in particular be integrated in an emergency luminaire of the indoor emergency lighting system.
  • the out the lighting system comprises a separate controlling device.
  • the controlling device of the indoor emergency lighting system and the separate controlling device of the outdoor lighting system can communicate which each other and an identified emergency situation is communicated by means of the emergency situation information signal provided by the controlling means and received by the separate controlling means.
  • Control of the outdoor luminaires of the outdoor lighting system (and may be additionally the floor lights) is then performed by the separate controlling means with which the luminaires of the outdoor lighting system communicate in a dedicated and separate network.
  • the indoor emergency lighting system establishes a first network, preferably a mesh network
  • the outdoor lighting system establishes a second network, also preferably a mesh network.
  • the two separate networks communicate with each other.
  • the control device of the first network provides the generated emergency situation information signal to the separate control device of the second network thereby conveying information on a determined emergency situation inside the building.
  • the operation of the indoor emergency lighting system, specifically the emergency luminaires, and operation of the outdoor lighting system, is performed independent from each other.
  • both networks are configured such that they can be operated in an emergency mode in which a predefined operation of the emergency lights inside the building guiding the people to the exit and the outdoor luminaires of the outdoor lighting system illuminating an area outside the building enabling people to find their way to an assembly point.
  • the communication is performed wirelessly.
  • existing systems in which the luminaires of an outdoor lighting system are often equipped with a wireless communication module, can be configured to be operated in combination with an existing indoor emergency lighting system.
  • Both existing systems have the capability to communicate wirelessly and, thus, it is in a cost-effective way possible to significantly improve the overall emergency lighting system by enhancing existing technology.
  • FIG. 1 shows an overview over the entire emergency lighting system 1.
  • the emergency lighting system 1 comprises as major portions thereof an indoor emergency lighting system 2 and an outdoor lighting system 30.
  • the emergency lighting systems further comprises an energy storage.
  • the energy storage may be an outdoor energy storage 22 or an indoor energy storage 25.
  • the energy storage is a rechargeable battery which may be charged preferably using regenerative charging as it will be described later in greater detail.
  • one of the emergency luminaires here emergency luminaire 3, is arranged in close neighbourhood to an exit of the building thus indicating an emergency exit.
  • the other emergency luminaires 4, 5 are used in order to guide people in an emergency situation towards the emergency exit.
  • the emergency situation once detected does not only trigger the Indo emergency lighting system 2 to be switched to the emergency mode but also a reaction of the outdoor lighting system 30.
  • the outdoor lighting system 30 comprises at least one, preferably a plurality of outdoor luminaire has 8 to 13.
  • the plurality of outdoor luminaire is 8 to 13 are used to illuminate a larger area, for example a parking lot.
  • the outdoor lighting system 30 is not limited to a lighting system for a parking lot but could be any lighting system capable of illuminating an outdoor area which allows to be used as an assembly .24 people evacuated from the building.
  • the outdoor lighting system 30 may comprise floor lights 14 to 19, which are buried in the ground and which are specifically useful to guide people coming out of the building at the emergency exit towards the assembly point 20.
  • each of the out the luminaires comprises an operating device for providing a dedicated voltage and current to a light source for illuminating the parking lot.
  • the out the luminaires 8 to 13 are provided with a communication means, which, in the present case, is capable of wirelessly communicating.
  • the communication means of the individual outdoor luminaires 8 to 13 is communicatively coupled to the controlling device 6 which is used for controlling operation of the indoor emergency lighting system 2.
  • the controlling device 6 which is used for controlling operation of the indoor emergency lighting system 2.
  • the further explanation will now assume that all the luminaires and floor lights are community food coupled to the same network, which is the preferred embodiments. Again, it is possible to use a cable connection for communicating with the outdoor luminaires 8 to 13 and even the floor lights 14 to 19. However, in most cases, outdoor luminaires are already equipped with communication means that is capable of wirelessly communicating in a network.
  • the preferred type of network is a mesh network in which all the luminaires (emergency luminaire 3 to 5 and outdoor luminaires 8 13 but also floor lights 14 to 19) are communicatively coupled to the controlling device 6.
  • the outdoor luminaire is 8 to 13 are configured to operate on an AC mains voltage. However for operating the outdoor lighting system 30 in combination with the indoor emergency lighting system 2, the outdoor lighting system 30 is controlled to operate of the energy storage 22. It is to be noted that, as indicated by the dashed line, the outdoor lighting system 30 may also be provided with electrical energy from the indoor energy storage 25. However for the further explanation of the illustrated embodiment, energy storage 22 will be used for providing electrical energy to the out the luminaires 8 to 13 and floor lights 14 to 19.
  • the outdoor energy storage 22 may be charged during regular operation using regenerative energy supplied from photovoltaic panels 23 and/or a wind generator 24. Since the outdoor energy storage 22 provides an AC voltage, an inverted 26 is integrated into the out the energy storage 22. The AC voltage provided by the inverted 26 is then supplied via a disconnector 27 (or switch) to the wiring that usually provides mains AC voltage to the outdoor luminaires April 13. Thus, since the outdoor luminaires 8 to 13 are only capable of operating on an AC voltage, the regular power supply wiring for supplying mains voltage to the outdoor luminaires 8 to 13 is now used to provide electrical energy from the outdoor energy storage 22 in case of an emergency.
  • the operation of the outdoor lighting system 30 may also be possible on electrical energy supplied by the indoor energy storage 25.
  • the structure of the outdoor energy storage 22 and the indoor energy storage 25 and its respective peripheral components (inverter and disconnect) correspond to each other.
  • the system comprises an overall amount of intelligent components which are in the present case the outdoor luminaires 8 to 13, floor lights 14 to 19, emergency luminaires 3 to 5 and sensors 7. All these intelligent components are capable of wirelessly communicating in a mesh network.
  • the intelligent components use systems for control and communication which are known in the art.
  • the network comprises a gateway establishing the connection for the transmission of data and information between the intelligent components and the central management system, which forms the controlling device 6 according to the present invention.
  • the central management collects and links the data from all integrated devices, in particular the sensor 7. So in the controlling device 6 (Central management system), control of all the devices either belonging to the Indo emergency lighting system 2 or the outdoor lighting system 30, is realised.
  • the entire system additionally comprises a digital platform which enables a user to interact with the data and use it to make decisions.
  • the automated transition from regular operation to an emergency situation is performed by the Central management system, in which the controlling device 6 controls the emergency operation of the Indo emergency lighting system 2 and outputs and emergency situation information signal to the outdoor lighting system 30 such that based on this emergency situation information signal, the out the luminaires 8 to 13 and floor lights 14 to 19 are also switched to be operated in an emergency mode.
  • an emergency mode uses a reduced dim level or an increased dim level compared to the regular operation or to define different dim levels for luminaires close to the assembly .20 in order to facilitate people exiting from the building finding their way to the assembly .20.
  • Figure 3 shows an alternative structure which, in the end enables the same functionality as the one shown in figure 2 .
  • the alternative structures shown in figure 3 comprises two separate networks one for the outdoor lighting system 30 and one for the Indo emergency lighting system 2.
  • the control management system related to the outdoor lighting system 30 forms a separate controlling device which is communicatively coupled to the controlling device 6 forming the control management system of the indoor emergency lighting system 2.
  • Communication between the two distinct networks is performed by providing the separate controlling device of the outdoor lighting system 30 with the emergency situation information signal generated by the controlling device 6. This is indicated by the bidirectional arrow between the respective control management systems.
  • the separate controlling device Upon reception of the emergency situation information signal from the controlling device 6, the separate controlling device generates and provides the necessary control signals to the individual devices, namely the outdoor luminaires 8 to 13 and the floor lights 14 to 19.
  • Figure 4 finally shows a simplified flowchart illustrating the method steps that are necessary in order to combine the operation of the out the lighting system 30 with the Indo emergency lighting system 2 in case of a determine emergency situation.
  • a sensor 7 physically sensors are characteristic of the environment in order to enable determination of an emergency situation.
  • the sensor 7 is only one example for an emergency situation determination unit.
  • the emergency situation determination unit is realised using an interface which receives information on an emergency situation from external.
  • the system may even be connected with a remote system which is outside the building and thus the Indo emergency lighting system 2. This may for example be advantageous in case that an evacuation of a larger area, for example an entire industrial zone because of a chemical hazard is needed. In such a situation the emergency situation may not be directly recognised within the building but may be notified from a remote place where discharge of toxic substances could be recognised first.
  • the emergency situation may be determined directly by the sensor 7 or by the controlling device 6 based on a measurement signal provided by the sensor 7 to the controlling device 6. In any case, the emergency situation is communicated to the controlling device 6 either indirectly by providing measurement results by the sensor 7 or already providing information on an emergency situation.
  • the indoor emergency lighting system 2 is controlled to operate in an emergency mode. With respect to the emergency mode, the indoor emergency lighting system 2 corresponds to commonly known emergency lighting systems which are arranged inside buildings.
  • an information signal is generated an output by the controlling device 6 based on which the outdoor lighting system 30 is operated to provide additional guidance for people which reached the emergency exit of the building towards the assembly point 20.
  • This is achieved by operating the outdoor luminaires 8 to 13 and the floor lights 14 to 19 according to an operation mode which can be configured to be different from the regular operation thereof.
  • the floor lights 14 to 19 it is for example possible that the floor lights 14 to 19 do not have a regular operation mode at all, because their participation in illumination is necessary only in case of an emergency situation.
  • the out the luminaires 8 to 13 may be operated on a different dim level compared to their regular operation.

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Circuit Arrangement For Electric Light Sources In General (AREA)
EP22183228.0A 2022-07-06 2022-07-06 Système d'éclairage d'urgence et son procédé de fonctionnement Pending EP4304303A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP22183228.0A EP4304303A1 (fr) 2022-07-06 2022-07-06 Système d'éclairage d'urgence et son procédé de fonctionnement

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Application Number Priority Date Filing Date Title
EP22183228.0A EP4304303A1 (fr) 2022-07-06 2022-07-06 Système d'éclairage d'urgence et son procédé de fonctionnement

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EP4304303A1 true EP4304303A1 (fr) 2024-01-10

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Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20140001962A1 (en) * 2012-07-01 2014-01-02 Cree, Inc. Modular lighting control
US20150296599A1 (en) * 2014-04-11 2015-10-15 Wireless Environment, Llc Modular coordinated lighting system
GB2534901A (en) * 2015-02-04 2016-08-10 Wi-Innovate Ltd Wireless control and sensing apparatus and method for an emergency luminaire

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20140001962A1 (en) * 2012-07-01 2014-01-02 Cree, Inc. Modular lighting control
US20150296599A1 (en) * 2014-04-11 2015-10-15 Wireless Environment, Llc Modular coordinated lighting system
GB2534901A (en) * 2015-02-04 2016-08-10 Wi-Innovate Ltd Wireless control and sensing apparatus and method for an emergency luminaire

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