Classifications

• • 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
• • 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
  • H05B47/115—Controlling the light source in response to determined parameters by determining the presence or movement of objects or living beings
  • H05B47/125—Controlling the light source in response to determined parameters by determining the presence or movement of objects or living beings by using cameras
• • 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

Definitions

• the present invention relates to a method for using a sensor device in a lighting system, and to a lighting system comprising a sensor device and a lighting device.
• a lighting system may comprise multiple light sources, such as multiple luminaires, for providing light to an area, where the lighting system is installed.
• Such an area may be for example one or more rooms or a floor in a building (i.e. an indoor area), or an outside area, such as a parking lot or a street.
• the multiple light sources of the lighting system may share information between each other for providing illumination.
• the multiple light sources may wirelessly communicate via a wireless mesh network.
• the multiple light source may communicate with each other according to a wireless personal area network (WPAN) protocol, such as Bluetooth or ZigBee, via the wireless mesh network.
• WPAN wireless personal area network
• the lighting system may comprise one or more control devices, such as at least one of one or more switches (e.g. light switches), a central control unit etc.
• Such one or more control devices may be configured to wirelessly communicate via the wireless mesh network for controlling the one or more light sources of the lighting system.
• illumination may be provided in case one or more person are present in the environment.
• the presence of one or more persons may be a characteristic of the environment.
• the position of the one or more persons being present in the environment may be a characteristic of the environment that may be considered by the lighting system for providing illumination.
• this allows the lighting system to turn on light source(s) and/or set a light intensity of the light source(s) that are configured to illuminate areas, where the one or more persons are present and/or areas that are nearby the position of the one or more persons.
• the amount of daylight present in the environment may be another example of a characteristic of the environment that may be considered by the lighting system for providing illumination.
• lighting systems comprise lighting devices, such as light sources (e.g. luminaires) or control devices, that are not configured to monitor the environment, e.g. measure or detect characteristics of the environment.
• lighting devices such as light sources (e.g. luminaires) or control devices, that are not configured to monitor the environment, e.g. measure or detect characteristics of the environment.
• a method for using a sensor device in a lighting system is provided. Communication in the lighting system is performed via a wireless mesh network according to a wireless personal area network (WPAN) protocol.
• the sensor device comprises a sensor for monitoring an environment of the sensor device, a processing unit for determining information on the environment by processing raw data of the sensor and a communication module for wirelessly communicating according to the WPAN protocol.
• the sensor is a camera sensor.
• the method comprises providing, by the communication module of the sensor device, the information on the environment to the lighting system via the wireless mesh network of the lighting system.
• the method comprises using, by the lighting system, the information on the environment, which is provided by the sensor device via the wireless mesh network, for controlling one or more devices of the lighting system.
• the method of the first aspect allows using the information on the environment of a sensor device in the lighting system.
• the communication module of the sensor device wirelessly communicates according to the WPAN protocol via the wireless mesh network of the lighting system with the lighting system, i.e. with one or more members of the lighting system.
• the one or more members of the lighting system may be referred to as lighting device(s).
• the one or more lighting devices may be one or more light sources (e.g. luminaire(s)) and/or one or more control devices.
• communicating with or providing to the lighting system means communicating with or providing to one or more members of the lighting system.
• the sensor device For being able to communicate via the wireless mesh network according to the WPAN protocol for providing the information to the lighting system the sensor device is arranged in a vicinity of the lighting system so that the environment of the sensor device is an environment of the lighting system, such as an environment of one or more light sources (e.g. luminaire(s)) of the lighting system.
• the method may comprise arranging the sensor device such that the environment is an environment of the lighting system.
• the method may comprise arranging the sensor device such that the sensor device monitors an environment of the lighting system.
• the environment of the lighting system may be an environment of one or more light sources and/or one or more control devices of the lighting system.
• Using the sensor device in the lighting system allows providing information on an environment of the sensor device and, thus, of the lighting system directly to the lighting system via the wireless mesh network of the lighting system. This allows the lighting system considering its environment, e.g. performing an illumination of its environment in dependence on the information on its environment. In other words, this allows directly using the information on the environment of the sensor device in the lighting system for an operation of the lighting system, such as an illumination by the lighting system of the environment.
• the sensor device is configured to wirelessly communicate according to the WPAN protocol and provides (i.e. wirelessly communicate) the information on the environment via the wireless mesh network of the lighting system according to the WPAN protocol.
• IT information technology
• the installation of the sensor device at a location of the lighting system for monitoring the environment of that location is not limited to locations, where wiring can be installed or where an IT infrastructure allows communication with the lighting system.
• this allows reducing installation costs for installing the sensor device by reducing the number of wires or not needing IT hours for reconfiguring a corporate IT infrastructures.
• a low bandwidth communication is used for wirelessly providing information from the sensor device to the lighting system.
• This is an advantage compared to a high bandwidth communication, such as a communication according to a wireless local area network (WLAN) protocol (e.g. Wi.Fi) or local area network (LAN) protocol (e.g. Ethernet).
• WLAN wireless local area network
• LAN local area network
• a camera device comprising a camera sensor (may be referred to as image sensor)
• hacking a high bandwidth communication may lead to whole image data (e.g. video footage) being stolen.
• whole image data e.g. video footage
• a WPAN protocol such as Bluetooth or ZigBee
• merely a few integer number every second may be communicated, which physically ensured the privacy and security of the system.
• the low bandwidth of a WPAN protocol such as Bluetooth or ZigBee
• the communication via the wireless mesh network of the lighting system according to the WPAN protocol results in a very low power consumption for the communication.
• providing the information of the environment by the sensor device according to the WPAN protocol e.g. Bluetooth or ZigBee
• a low repetition rate e.g. every second
• the method may comprise providing, by the communication module of the sensor device, the information on the environment to the lighting system via the wireless mesh network with a low repetition rate such as every second. That is, the repetition rate may be every second.
• the repetition rate is smaller than a repetition rate used for wireless communication according to a WLAN protocol.
• Wirelessly coupling the sensor directly to the wireless mesh network of the lighting system allows directly providing information, which is determined by the sensor device based on detection results of its sensor(s), to the lighting system. This provides the possibility to directly operate the lighting system in dependence on the information provided from the sensor device. That is, there is no need of an external entity outside the lighting system for allowing operation of the lighting system in dependence on the information provided by the sensor device.
• the existing wireless communication infrastructure of the lighting system is leveraged. This simplifies deployment of the sensor device in the lighting system. In addition, this enables lighting automation based on the information providable by the sensor device via the mesh network of the lighting system to the lighting system.
• the term "short range communication protocol for a WPAN may be used as a synonym for the term ""WPAN protocol".
• the WPAN protocol may be a protocol according to one or more IEEE 802.15 standards or may be based on one or more IEEE 802.15 standards.
• the WPAN protocol is a low bandwidth wireless communication protocol.
• the wireless communication network of the lighting system being a WPAN i.e. a mesh network according to the WPAN protocol, is a low bandwidth network.
• the wireless mesh network is a wireless communication network having a mesh structure.
• the wireless mesh network of the lighting system may be referred to as a WPAN with a mesh structure.
• the sensor device may be used in the lighting system such that the sensor device is electrically powered from the lighting system.
• Such electrical power supply may be wireless and/or wired.
• the sensor device may comprise an electrical energy storage, such as a battery (optional rechargeable), for being electrically supplied.
• the electrical energy storage may be exchangeable.
• the lighting system may comprise multiple lighting devices that are configured to wirelessly communicate via the wireless mesh network.
• the multiple lighting devices may comprise one or more light sources and optionally one or more control devices.
• the one or more light sources may be at least one of: one or more luminaires, one or more lamps (e.g. retrofit lamp(s) usable as lighting means in a luminaire), etc.
• the lighting system may be configured to provide an indoor illumination and/or an outdoor illumination.
• the lighting system may comprise one or more indoor luminaires and/or one or more outdoor luminaires.
• the optional one or more control devices may be at least one of: one or more switches (e.g. light switches), a central control unit, etc.
• the present invention is not limited to a specific type of lighting system.
• the sensor of the sensor device may have a power consumption between 0.8 and 1.2 mW, e.g. a power consumption of 1 mW or around 1 mW.
• the sensor of the sensor device may be any sensor configured for monitoring a characteristic of the environment.
• the sensor of the sensor device may be any sensor configured for monitoring usage of the environment by one or more persons.
• the sensor may be any one of a camera sensor, a microphone, a temperature sensor, a light sensor, a motion and/or presence sensor, an air quality sensor, a smoke sensor, a humidity sensor, an air pressure sensor etc.
• the sensor device may comprise two or more sensors.
• the processing unit is configured to determine information on the environment by processing the raw data of the two or more sensors.
• the two or more sensors may be two or more sensors of the same type or two or more sensors of at least two types.
• the aforementioned examples of sensors maybe present in the sensor device.
• the description of the sensor is correspondingly valid for multiple sensors of the sensor device.
• the sensor device may be referred to as "edge device".
• the present invention is not limited to a specific type of sensor device and, thus, not to a specific type of sensor(s) comprised by the sensor device.
• the processing unit may be or may comprise a controller, microcontroller, processor, microprocessor, field programmable gate array (FPGA), application specific integrated circuit (ASIC) or any combination of the aforementioned entities.
• FPGA solutions allow a power reduction.
• a cycled processing of the raw data by the processing unit allows a power reduction.
• the sensor is a camera sensor
• the cycled processing may be a cycled image processing (e.g. with a framerate less than one frame per second ( ⁇ 1 FPS)).
• the term "detection results" maybe used as a synonym for the term "raw data”.
• the information determined by the processing unit may be referred to as "metadata".
• the present invention is not limited to a specific type of processing unit.
• the communication module may comprise one or more antennas for wirelessly communicating.
• the communication module is not limited to a specific communication module type and, thus, the one or more antennas are not limited to a specific antenna type.
• the WPAN protocol is Bluetooth or ZigBee.
• the communication in the lighting system may be performed via the wireless mesh network according to Bluetooth or ZigBee, and the communication module of the sensor device may be configured to communicate according to Bluetooth or ZigBee.
• Bluetooth protocol or “Bluetooth standard” may be used instead of the term “Bluetooth”.
• ZigBee protocol or “ZigBee standard” may be used instead of the term “ZigBee”.
• Bluetooth and ZigBee provide the above-described advantages of performing a wireless communication according to a WPAN protocol.
• the lighting system comprises a communication device for wireless communication with outside the lighting system according to a wireless local area network (WLAN) protocol, wherein the communication device is configured to wirelessly communicate via the wireless mesh network.
• WLAN wireless local area network
• the method may comprise communicating, by the communication module of the sensor device, the information on the environment to the communication device via the wireless mesh network of the lighting system.
• the communication device may be a gateway device.
• the WLAN protocol may be a protocol according to one or more IEEE 802.11 standards or may be based on one or more IEEE 802.11 standards. Since the communication device is configured to wirelessly communicate via the wireless mesh network of the lighting system, the communication device is configured to communicate according to the WPAN protocol with member(s) of the lighting system via the mesh network.
• the method may comprise communicating, by the communication device, the information on the environment received from the sensor device to a cloud and/or an external device outside the lighting system.
• the external device may be referred to as "data target".
• the external device may be a user terminal device, such as a smartphone, a table computer, a laptop, stationary computer etc. This allows additional analysis or other processing outside the lighting system of the information on the environment of the sensor device. In addition or alternatively, this allows using the information on the environment of the sensor device outside the lighting system for controlling the lighting system, i.e. operation of the lighting system, such as an illumination provided by the lighting system, from outside the lighting system.
• the sensor device is configured to wirelessly communicate according to a wireless local area network protocol (WLAN) protocol.
• WLAN wireless local area network protocol
• the WLAN protocol is a Wi-Fi protocol.
• the method may comprise commissioning the sensor device by wirelessly communicating with the sensor device according to the WLAN protocol.
• the communication module of the sensor device is configured to wirelessly communicate according to the WLAN protocol. That is, the communication module of the sensor device may be configured to wirelessly communicate according to the WPAN protocol for communication via the mesh network with the lighting system and wirelessly communicate according to the WLAN protocol for the commissioning.
• the sensor device may comprise a second communication module that is configured to wirelessly communicate according to the WLAN protocol.
• the second communication module may comprise one or more antennas for wirelessly communicating.
• the second communication module is not limited to a specific communication module type and, thus, the one or more antennas are not limited to a specific antenna type.
• the sensor device may wirelessly communicate according to the WLAN protocol with a commissioning entity for being commissioned by the commissioning entity.
• the commissioning entity may be a mobile device (e.g. a handheld device).
• the commissioning entity may be a user terminal device, such as a smartphone, a table computer, a laptop etc. Commissioning the sensor device allows setting up the sensor device as a member of the lighting system. It allows determining the location of the sensor device and associating the determined location of the sensor device with an address used for wirelessly communicating with the sensor device. The commissioning of the sensor device may be performed as part of commissioning the lighting system.
• the sensor device Since the sensor device is used in the lighting system it may be said to be a member or part of the lighting system. That is, the sensor device is used natively in the lighting system, with the sensor device being an element of the wireless mesh network of the lighting system.
• the method may comprise controlling, by the lighting system, an illumination providable by the lighting system in dependence on the information on the environment provided by the sensor device via the wireless mesh network.
• the operation of the lighting system may be performed in dependence on the information on the environment provided by the sensor device.
• the information on the environment may be information on the usage of the environment by one or more persons.
• the sensor device may monitor the environment of the aforementioned luminaire.
• the raw data being in this example image data from the camera sensor may be processed by the processing unit.
• the processing unit may determine e.g. a number of persons in the environment and a location of the persons in the environment. This information on the environment of the sensor device being installed at the luminaire and, thus, environment of the luminaire may be used for controlling an illumination providable by the luminaire.
• a central control unit of the lighting system or a control unit of the luminaire receiving the information from the sensor device via the wireless mesh network may control the illumination according to the received information.
• the illumination may be controlled such that locations, where a person is present, are illuminated more than locations of the environment where no persons are present.
• the sensor device may comprise a microphone for monitoring the environments.
• the raw data being audio data from the microphone may be used by the processing unit of the sensor device to determine e.g. a number of persons and a location of the persons.
• the sensor device may comprise a smoke sensor.
• the processing unit may determine based on the raw data of the smoke sensor whether an emergency situation due to a fire is present.
• the lighting system may use this information received from the sensor device via the mesh network for switching to an emergency operation mode, i.e. setting the illumination to an emergency illumination.
• the emergency illumination may have a light intensity sufficient for illuminating escape routes and at the same time reduces an energy consumption in order to prolong an electrical energy supply from electrical energy storages used in the emergency operation mode.
• the sensor device may comprise an air humidity sensor and/or a camera sensor and may be installed at a street luminaire assuming that the lighting system provides light to a street.
• the processing unit may determine based on the raw data from the humidity sensor and/or the camera sensor a weather condition, e.g. whether it rains or not.
• the determined information on the environment provided from the sensor device to the lighting system via the mesh network may be used by the lighting system to control illumination by the aforementioned street luminaire.
• the illumination may be adapted to the weather condition in order to reduce a blinding of drivers by an illumination that is not suited for the weather condition.
• the present invention is not limited to the aforementioned use cases. That is, they represent merely possible examples.
• the processing unit is configured to process the raw data of the sensor to determine a number of persons within the environment of the sensor device.
• the method may comprise providing, by the communication module of the sensor device, the number of persons within the environment of the sensor device to the lighting system via the wireless mesh network of the lighting system.
• the method may comprise using, by the lighting system, the number of persons, which is provided by the sensor device via the wireless mesh network, for controlling one or more devices of the lighting system.
• the method may comprise controlling, by the lighting system, an illumination providable by the lighting system in dependence on the number of persons provided by the sensor device via the wireless mesh network.
• the processing unit is configured to process the raw data of the sensor to determine usage of the environment of the sensor device by one or more persons.
• the method may comprise providing, by the communication module of the sensor device, the information on the usage of the environment of the sensor device by the one or more persons to the lighting system via the wireless mesh network of the lighting system.
• the method may comprise using, by the lighting system, the information on the usage of the environment of the sensor device by the one or more persons, which is provided by the sensor device via the wireless mesh network, for controlling one or more devices of the lighting system.
• the method may comprise controlling, by the lighting system, an illumination providable by the lighting system in dependence on the information on the usage of the environment of the sensor device by the one or more persons, the information being provided by the sensor device via the wireless mesh network.
• a lighting system comprising a sensor device and a lighting device.
• the sensor device comprises a sensor for monitoring an environment of the sensor device.
• the sensor is a camera sensor.
• the sensor device comprises a processing unit for determining information on the environment by processing raw data of the sensor and a communication module for wirelessly communicating according to a wireless personal area network (WPAN) protocol.
• the lighting device is configured to wirelessly communicate according to the WPAN protocol.
• the sensor device and the lighting device are part of a wireless mesh network of the lighting system for wireless communication according to the WPAN protocol.
• the communication module of the sensor device is configured to provide the information on the environment to the lighting device via the wireless mesh network of the lighting system.
• the lighting device is configured to use the information on the environment provided by the sensor device.
• the lighting system according to the second aspect achieves the same advantages as the method according to the first aspect.
• the lighting device is a control device for controlling one or more light sources of the lighting system, and the control device is configured to control the one or more light sources in dependence on the information on the environment provided by the sensor device.
• the lighting device is a light source, such as a luminaire, of the lighting system, and the light source is configured to emit light in dependence on the information on the environment provided by the sensor device.
• the WPAN protocol is Bluetooth or ZigBee.
• the lighting system comprises a communication device for wireless communication with outside the lighting system according to a wireless local area network protocol (WLAN protocol).
• WLAN protocol is a Wi-Fi protocol.
• the communication device is part of the wireless mesh network.
• the communication module of the sensor device is configured to communicate the information on the environment to the communication device via the wireless mesh network. That is, the sensor device and the communication device may wirelessly communicate with each other according to the WPAN protocol via the wireless mesh network.
• the communication device may be a gateway device.
• the communication device may be configured to wirelessly communicate according to the WLAN protocol the information on the environment received from the sensor device to a cloud and/or an external device outside the lighting system.
• the sensor device is configured to wirelessly communicate according to a wireless local area network protocol (WLAN protocol).
• WLAN protocol is a Wi-Fi protocol.
• the sensor device may be configured to be commissioned by wirelessly communicating according to the WLAN protocol with a commissioning entity.
• the processing unit of the sensor device is configured to process the raw data of the sensor to determine a number of persons within the environment of the sensor device.
• the communication module of the sensor device is configured to provide the number of person within the environment of the sensor device to the lighting device via the wireless mesh network of the lighting system.
• the lighting device is configured to use the number of person within the environment of the sensor device provided by the sensor device.
• FIG. 1 is an example of a lighting system according to an embodiment of the invention.
• the lighting system of FIG. 1 is an example of the lighting system according to the second aspect of the invention.
• the description of the lighting system according to the second aspect is correspondingly valid for the lighting system of FIG. 1 .
• the description of the lighting system in the description of the method according to the first aspect is correspondingly valid for the lighting system of FIG. 1 .
• the sensor device of FIG. 1 is an example of the sensor device that may be used in a lighting system by performing the method according to the first aspect of the invention.
• the lighting system of FIG. 1 is an example of the lighting system, in which a sensor device may be used by performing the method according to the first aspect of the invention.
• the description of the method according to the first aspect is correspondingly valid for using the sensor device of FIG. 1 in the lighting system of FIG. 1 .
• the lighting system 100 of FIG. 1 comprises a sensor device 1 and three lighting devices 2.
• the number of lighting devices 2 shown in FIG. 1 is only by way of example and may be different. That is, the lighting system 100 may comprise one or more lighting devices 2.
• the sensor device 1 comprises a sensor 1a for monitoring an environment of the sensor device 1.
• the sensor device 1 may comprise multiple sensors (not shown in FIG. 1 ). In this case, the description with regard to the sensor 1a is correspondingly valid for the multiple sensors.
• the sensor 1a of the sensor device 1 may be any sensor configured to monitor a characteristic of the environment.
• the sensor 1a of the sensor device 1 may be any sensor configured to monitor usage of the environment by one or more persons.
• the sensor 1a may be any one of a camera sensor, a microphone, a temperature sensor, a light sensor, a motion and/or presence sensor, an air quality sensor, a smoke sensor, a humidity sensor, an air pressure sensor etc.
• the sensor device 1 comprises a processing unit 1b for determining information on the environment by processing raw data of the sensor and a communication module 1c for wirelessly communicating according to a wireless personal area network (WPAN) protocol, such as Bluetooth or ZigBee.
• WPAN wireless personal area network
• the lighting devices 2 of the lighting system 100 are configured to wirelessly communicate according to the WPAN protocol.
• the sensor device 1 and the lighting devices 2 are part of a wireless mesh network 3 of the lighting system 100 for wireless communication according to the WPAN protocol. In other words, the communication in the lighting system 100 is performed via the wireless mesh network 3 according to the WPAN protocol.
• the communication module 1c of the sensor device 1 is configured to provide, i.e. wireless communicate, the information on the environment to one or more of the lighting devices 2 of the lighting system 100 via the wireless mesh network 3 of the lighting system 100.
• the one or more lighting devices 2 receiving the information via the mesh network 3 are configured to use the information on the environment provided by the sensor device 1.
• the one or more lighting devices 2 may operate in dependence on the information on the environments provided by the sensor device 1 via the mesh network 3
• a wireless communication according to the WPAN protocol is indicated by a dotted line.
• FIG. 1 Further details on the lighting system 100 of FIG. 1 are described with regard to FIGs. 2 to 4 .
• FIG. 2 is an example of an implementation form of the lighting system of FIG. 1 . Therefore, for describing the lighting system of FIG. 2 reference is made to the description of FIG. 1 and in the following mainly optional feature(s) or detail(s) of the lighting system of FIG. 2 are described.
• FIG. 2 shows one possible implementation of the wireless mesh network 3 of the lighting system 100.
• the sensor device 1 may be configured to wirelessly communicate according to the WPAN protocol with a first lighting device 2 of the lighting devices 2 of the lighting system 100.
• the first lighting device 2 may be for example a control device 2a configured to control the two light sources 2b of the lighting system 100 in dependence on the information on the environment provided by the sensor device 1 via the wireless mesh network 3.
• the first lighting device 2 may be a light source 2b (e.g. a luminaire) configured to emit light in dependence on the information on the environment provided by the sensor device 1 via the wireless mesh network 3.
• a light source 2b e.g. a luminaire
• the first lighting device 2 may be configured to wirelessly communicate according to the WPAN protocol with each of the other two lighting devices 2 that are assumed to be light sources 2b.
• the two other lighting devices 2 (two light sources 2b) are configured to communicate with each other according to the WPAN protocol.
• the sensor device 1 and the three lighting devices 3 of the lighting system 100 form a wireless communication network (especially a WPAN) having a mesh structure.
• the mesh structure 3 of the wireless mesh network shown in FIG. 2 is only by way of example and may be different.
• the types of lighting devices shown in FIG. 2 is only by way of example and may be different.
• a lighting device may be any device configured for providing or supporting the operation, e.g. illumination, of the lighting system 100.
• FIG. 3 is an example of an implementation form of the lighting system of FIG. 1 . Therefore, for describing the lighting system of FIG. 3 reference is made to the description of FIG. 1 and in the following mainly optional feature(s) or detail(s) of the lighting system of FIG. 3 are described.
• the lighting system 100 may comprises a communication device 4 for wireless communication with outside the lighting system 100 according to a wireless local area network protocol (WLAN protocol).
• WLAN protocol wireless local area network protocol
• a wireless communication according to the WLAN protocol is indicated in FIG. 3 by a dashed dotted line (i.e. a line with a repeating pattern of a dash followed by two dots) and labelled with the reference sign "5".
• the WLAN protocol is a Wi-Fi protocol.
• the communication device 4 is part of the wireless mesh network 3. That is, the members of the lighting system 100 may wireless communicate with the communication device 4 via the wireless mesh network according to the WPAN protocol.
• the communication module 1a of the sensor device 1 is configured to communicate the information on the environment to the communication device 4 via the wireless mesh network 3. That is, the communication module 1a of the sensor device 1 is configured to communicate according to the WPAN protocol the information on the environment to the communication device 4.
• the communication device 4 may be a gateway device.
• the communication 4 device may be configured to wirelessly communicate according to the WLAN protocol the information on the environment received from the sensor device 1 to a cloud (not shown in FIG. 3 ) and/or an external device 6 (shown in FIG. 3 ) outside the lighting system 100.
• the external device 6 may be a user terminal device, such as a smartphone, a table computer, a laptop, stationary computer etc.
• the sensor device 1 of the lighting system 100 of any one of FIGs. 1 , 2 and 3 may be configured to wirelessly communicate according to a WLAN protocol, such as a Wi-Fi protocol.
• the sensor device 1 may be configured to be commissioned by wirelessly communicating according to the WLAN protocol with a commissioning entity 7, as shown in FIGs. 4 (a) and 4 (b) .
• the commissioning entity 7 may be a mobile device (e.g. a handheld device).
• the commissioning entity 7 may be a user terminal device, such as a smartphone, a table computer, a laptop etc.
• the sensor device 1 may be implemented e.g. in two ways, as described with regard to FIGs. 4 (a) and 4 (b) .
• FIG. 4 (a) is an example of an implementation form of the sensor device of the lighting system of FIG. 1 . Therefore, for describing the sensor device of FIG. 4 (a) reference is made to the description of FIG. 1 and in the following mainly optional feature(s) or detail(s) of the sensor device of FIG. 4 (a) are described.
• the communication module 1c of the sensor device 1 is configured to wirelessly communicate according to the WLAN protocol. That is, the communication module 1c of the sensor device 1 may be configured to wirelessly communicate according to the WPAN protocol (via the mesh network 3 with the members 2 of the lighting system 100) and wirelessly communicate according to the WLAN protocol (with outside the lighting system 100, e.g. the commissioning device 7).
• FIG. 4 (b) is an example of an implementation form of the sensor device of the lighting system of FIG. 1 . Therefore, for describing the sensor device of FIG. 4 (b) reference is made to the description of FIG. 1 and in the following mainly optional feature(s) or detail(s) of the sensor device of FIG. 4 (b) are described.
• the sensor device 1 may comprise a second communication module 1d that is configured to wirelessly communicate according to the WLAN protocol.
• a wireless communication according to the WLAN protocol is indicated by a dashed dotted line (i.e. a line with a repeating pattern of a dash followed by two dots).
• FIGs. 2 , 3 , 4 (a) and 4 (b) may be combined with each other for providing a lighting system according to an embodiment of the invention.
• FIG. 5 is an example of a method according to an embodiment of the invention for using a sensor device in a lighting system.
• the method of FIG. 5 is an example of the method according to the first aspect.
• the description of the method according to the first aspect is correspondingly valid for the method of FIG. 5 .
• the method of FIG. 5 is a method for using a sensor device in a lighting system.
• the lighting system may be the lighting system 100 of any one of Figures 1 , 2 , 3 , 4 (a) and 4 (b).
• the sensor device may be the sensor device 1 described with regard to any one of FIGs. 1 , 2 , 3 , 4 (a) and 4 (b) .
• Communication in the lighting system is performed via a wireless mesh network according to a wireless personal area network (WPAN) protocol, such as Bluetooth or ZigBee.
• the sensor device comprises a sensor for monitoring an environment of the sensor device, a processing unit for determining information on the environment by processing raw data of the sensor and a communication module for wirelessly communicating according to the WPAN protocol.
• WPAN wireless personal area network
• the senor is a camera sensor.
• the method comprises a step S1 of providing, by the communication module of the sensor device, the information on the environment to the lighting system via the wireless mesh network of the lighting system.
• the method comprises a step S2 of using, by the lighting system, the information on the environment, which is provided (in step S1) by the sensor device via the wireless mesh network, for controlling one or more devices of the lighting system.

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• Circuit Arrangement For Electric Light Sources In General (AREA)

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• 2024
  • 2024-01-29 EP EP24154337.0A patent/EP4593531A1/fr active Pending
• 2025
  • 2025-01-13 WO PCT/EP2025/050665 patent/WO2025162703A1/fr active Pending

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