Determining a duty schedule for a group of lighting devices providing a similar lighting service
地域：
Eindhoven
摘要
A lighting device (31) is configured to determine a group of service-providing devices (41-44) and determine a schedule for the service-providing devices in the group. The group (101) comprises at least two service-providing devices capable of performing a similar or a same lighting service. The schedule indicates for each service-providing device of the group in which time period the service-providing device is able to receive messages such that at least one device of the determined group of service-providing devices is able to receive messages. The lighting device is configured to transmit the schedule to the service-providing devices.
說明書
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This application is the U.S. National Phase application under 35 U.S.C. § 371 of International Application No. PCT/EP2018/064004, filed on May 29, 2018, which claims the benefit of European Patent Application No. 17173917.0, filed on Jun. 1, 2017. These applications are hereby incorporated by reference herein.
The invention relates to alighting device for enabling energy conservation and a lighting system comprising such alighting device.
The invention further relates to a method for enabling energy conservation in a lighting device.
The invention also relates to a computer program product enabling a processor of a lighting device to perform such a method.
The Internet of Things (IoT) provides opportunities for (smart) devices to be connected. The number of devices that communicate with each other will therefore increase. In order to reduce power consumption, such devices will often not be active all the time, but stay in a standby mode most of the time. In this standby mode, the receivers of the IoT devices are normally still listening to signals and become active after being triggered by a signal. The IoT devices that are in standby mode and are listing still consume a certain amount of power. Although this certain amount of power is minor, taken over time, such power consumption will still add up to a significant amount and may still exceed the requirements of certain governments.
權(quán)利要求
The invention claimed is:1. A lighting device for enabling energy conservation, comprising:at least one transmitter; and at least one processor configured to:determine a group of service-providing devices, said group comprising at least two service-providing devices capable of performing a similar or a same lighting service, determine a schedule for said service-providing devices in said group, said schedule indicating for each service-providing device of said group in which time period said service-providing device is able to receive messages such that at least one device of the determined group of service-providing devices is able to receive messages, and use said at least one transmitter to transmit said schedule to said service-providing devices. 2. The lighting device as claimed in claim 1 , wherein said at least one processor is configured to determine said group of service-providing devices by selecting said group of service-providing devices from a set of service-providing devices based on information identifying which services said service-providing devices of said set are capable of providing. 3. The lighting device as claimed in claim 1 , wherein said at least one processor is configured to determine said group of service-providing devices by selecting said group of service-providing devices from a set of service-providing devices based on spatial locations of said service-providing devices of said set. 4. The lighting device as claimed in claim 1 , wherein said at least one processor is configured to determine the durations of said time periods of said schedule based on at least one of: energy consumption of said service-providing devices, spatial locations of said service-providing devices, spatial service-provisioning areas of said service-providing devices, usage of said service-providing devices, time required by said service-providing devices to enter and/or leave a standby mode, and identifiers of services provided by said service-providing devices. 5. The lighting device as claimed in claim 1 , further comprising a user interface, wherein said at least one processor is configured to use said user interface to provide said schedule to a user and allow said user to adapt said schedule. 6. The lighting device as claimed in claim 1 , further comprising at least one receiver and wherein said at least one processor is configured to:use said at least one receiver to receive a command message addressed to at least a first service-providing device of said group, said command message commanding at least said first service-providing device to perform a specified service at a specified service level, determine a service level in dependence on said specified service level, and cause a second service-providing device of said group to start performing a service similar to or the same as said specified service at said determined service level upon receipt of said command message. 7. The lighting device as claimed in claim 6 , wherein said at least one processor is configured to use said at least one transmitter to transmit said command message to said first service-providing device at a moment which depends on a start of said time period in which said first service-providing device is able to receive messages as specified in said schedule. 8. The lighting device as claimed in claim 6 , wherein said at least one processor is configured to cause said second service-providing device to stop performing said service at a current service level at a moment which depends on a start of said time period in which said first service-providing device is able to receive messages as specified in said schedule. 9. The lighting device as claimed in claim 6 , wherein said group further comprises at least a third service-providing device, said time period in which said third service-providing device is able to receive messages as specified in said schedule is sooner than a time period in which any other service-providing device of said group is able to receive messages as specified in said schedule, and said at least one processor is configured to:determine a further service level in dependence on said specified service level, and cause said second service-providing device to stop performing said service at said determined service level and start performing said service at said determined further service level at a moment which depends on a start of said time period in which said third service-providing device is able to receive messages as specified in said schedule. 10. The lighting device as claimed in claim 6 , wherein said group further comprises at least a third service-providing device, said time period in which said first service-providing device is able to receive messages as specified in said schedule is later than a time period in which any other service-providing device of said group is able to receive messages as specified in said schedule, and said at least one processor is configured tocause said second service-providing device to stop performing said service at said determined service level at a moment which depends on a start of said time period in which said first service-providing device is able to receive messages as specified in said schedule. 11. The lighting device as claimed in claim 6 , wherein said command message is addressed to only said first service-providing device and said at least one processor is configured to cause said second service-providing device to stop performing said service at a moment which depends on a start of said time period in which said first service-providing device is able to receive messages as specified in said schedule. 12. A lighting system comprising:said lighting device of claim 1 ; and a further lighting device, said further lighting device comprising at least one receiver and at least one processor configured to use said at least one receiver to receive said schedule from said lighting device, use said at least one receiver to receive a command message addressed to at least a first service-providing device of said group, said command message commanding at least said first service-providing device to perform a specified service at a specified service level, determine a service level in dependence on said specified service level, and cause a second service-providing device of said group to start performing a service similar to or the same as said specified service at said determined service level upon receipt of said command message. 13. A method for enabling energy conservation in a lighting device, comprising:determining a group of service-providing devices, said group comprising at least two service-providing devices capable of performing a similar or a same lighting service; the method characterized in that it further comprises: determining a schedule for said service-providing devices in said group, said schedule indicating for each service-providing device of said group in which time period said service-providing device is able to receive messages such that at least one device of the determined group of service-providing devices is able to receive messages; and transmitting said schedule to said service-providing devices.
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