WO2017050637A1 - Dispositif et procédé de détermination de la consommation d'énergie pour des consommateurs d'un système d'éclairage - Google Patents

Dispositif et procédé de détermination de la consommation d'énergie pour des consommateurs d'un système d'éclairage Download PDF

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Publication number
WO2017050637A1
WO2017050637A1 PCT/EP2016/071874 EP2016071874W WO2017050637A1 WO 2017050637 A1 WO2017050637 A1 WO 2017050637A1 EP 2016071874 W EP2016071874 W EP 2016071874W WO 2017050637 A1 WO2017050637 A1 WO 2017050637A1
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WO
WIPO (PCT)
Prior art keywords
consumers
energy
control
power consumption
consumption
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PCT/EP2016/071874
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German (de)
English (en)
Inventor
Michael BÖHNEL
Original Assignee
Zumtobel Lighting Gmbh
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 Zumtobel Lighting Gmbh filed Critical Zumtobel Lighting Gmbh
Publication of WO2017050637A1 publication Critical patent/WO2017050637A1/fr

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Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R22/00—Arrangements for measuring time integral of electric power or current, e.g. electricity meters
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R22/00—Arrangements for measuring time integral of electric power or current, e.g. electricity meters
    • G01R22/06—Arrangements for measuring time integral of electric power or current, e.g. electricity meters by electronic methods
    • G01R22/061—Details of electronic electricity meters
    • G01R22/063—Details of electronic electricity meters related to remote communication
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R22/00—Arrangements for measuring time integral of electric power or current, e.g. electricity meters
    • G01R22/06—Arrangements for measuring time integral of electric power or current, e.g. electricity meters by electronic methods
    • G01R22/10—Arrangements for measuring time integral of electric power or current, e.g. electricity meters by electronic methods using digital techniques
    • 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
    • H05B47/18—Controlling the light source by remote control via data-bus transmission

Definitions

  • Embodiments of the invention relate to apparatus and methods for determining the power consumption of consumers of a lighting system. Embodiments relate in particular to such devices and methods with which the energy consumption of luminaires or other consumers of a lighting system which are controlled via a control channel can be determined.
  • the luminaires can be controlled via a control channel, for example a DALI (Digital Addressable Lighting Interface) bus.
  • a control channel for example a DALI (Digital Addressable Lighting Interface) bus.
  • DALI Digital Addressable Lighting Interface
  • Determining the energy consumption of individual consumers or groups of consumers may be desirable for a variety of reasons. For example, information about the energy consumption of individual luminaires or groups of luminaires may be needed for consumption optimization, billing or for other reasons.
  • the operating device of each luminaire can be equipped with an energy meter designed specifically for the luminaire. This increases the cost of the lighting system. In addition, retrofitting with such operating devices would bring a relatively large installation effort with it, must be replaced in the operating equipment or lights without energy meter by those with an energy meter.
  • an apparatus for detecting the energy consumption is provided, which is configured to determine its energy consumption as a function of position values of a consumer of a lighting system.
  • the device can be coupled to a control channel, for example a DALI (Digital Addressable Lighting Interface) bus, in order to listen to control commands directed to the consumer and to determine therefrom the current control value of the corresponding consumer.
  • the device can be set up in order to determine the energy consumption from the positions, a power consumption of the corresponding consumer assigned to the different control values, and a time in which the consumer has the corresponding control value.
  • the control values can be, for example, dimming values and / or color values of a luminaire.
  • the device may interface with a power meter or other power or power sensing device.
  • the device can be set up for an automatic calibration, in which it learns for each of the several consumers the different control values respectively associated power consumption of the corresponding consumer.
  • the device can communicate wirelessly or by wire with an energy meter, at least in a calibration phase, in order to learn which power consumption is respectively associated with the different control values of the corresponding consumer.
  • a consumer can be specifically controlled so that it assumes different dimming values, different color values and / or different combinations of dimming values and color values sequentially.
  • the device may each interrogate the energy meter several times to determine the power consumption for each of the dimming values, color values and / or for each different combination of dimming values and color values compared to a state in which the consumer has no energy input.
  • the calibration can also be done during operation.
  • the device can determine the total power consumption for each of the states of the plurality of consumers, for example the plurality of luminaires, and computationally determine the power consumptions associated with the different control values of a consumer.
  • the lighting system has multiple consumers, which may be lights and / or other consumers.
  • the device comprises a processing device which is set up in order to determine a consumer's energy consumption as a function of at least one manipulated variable of a consumer of the lighting system.
  • the device can be set up for a calibration in which a respective assigned power consumption of the consumer is automatically determined for a plurality of control values of the consumer.
  • the device may include an energy meter interface for communicating with a power or power sensing device.
  • the energy meter interface may be a wireless interface.
  • the energy meter interface may be configured to communicate with the power or power device in accordance with an IP-based protocol.
  • the IP-based protocol may be Zigbee, Wired Ethernet or another protocol.
  • the apparatus may be configured to perform the calibration in response to energy meter signals received at the power meter interface.
  • the device can be set up to be dependent on the energy meter section. To determine which duration an integration takes place in the calibration. With lower power consumption, the device can be set up to automatically set the integration time to a longer value than with a larger power consumption. As a result, a reliable calibration can be achieved even if the control values correspond to a low dimming level.
  • the energy meter signals may include information about a total energy consumption or a total power consumption of a system comprising the multiple consumers of the lighting system.
  • the energy or power sensing device may, but need not be, configured to detect only the total energy consumption of the multiple consumers of the lighting system.
  • the device may be configured to carry out the calibration, while consumers not belonging to the lighting system whose energy consumption is detected by the energy consumption or power acquisition device have a predefined power consumption which may be constant or otherwise known.
  • the device can be set up to carry out the calibration, while consumers not belonging to the lighting system whose energy consumption is detected by the energy consumption or power acquisition device have a constant power consumption.
  • the calibration is particularly simplified because changes in the energy consumption or power detection device detected energy consumption can be clearly assigned to a control value change of the consumers of the lighting system.
  • the apparatus may be configured to perform the calibration based on an energy change detected by the energy consumption or power detection device occurring in response to a manipulated variable change for the consumer.
  • the apparatus may be arranged to be calibrated for each of the plurality of consumers of the lighting system that are controllable via a control channel. automatically determine a different control values of the consumer respectively associated power consumption of the consumer. For example, for each luminaire of the lighting system that can be controlled via a DALI bus or another control channel, the power consumption of the luminaire for different dimming values, different color values and / or different combinations of dimming value can be determined by querying the energy consumption or power detection device and color value.
  • the device can be set up to determine setting values of the multiple consumers during the calibration by evaluating control signals for the multiple consumers.
  • the control signals may be overheard by the device while being transferred to a DALI bus or other control channel.
  • the device may include a storage medium for non-transiently storing a result of the calibration.
  • the device can be set up in order to determine the energy consumption of the consumer as a function of a result of the calibration and time-sequentially set control values of the consumer and the duration for which a control value is set in each case.
  • the device can be set up to query tariff information from the energy consumption or power acquisition device via the energy meter interface.
  • the tariff information can, for example, include information about a respectively applicable tariff, for example day or night tariff.
  • the device can be set up to determine the energy consumption of the consumer as a function of a result of the calibration, time-sequentially set control values of the consumer, the duration for which a control value is set in each case and the tariff information.
  • the device may include a control channel interface.
  • the device may be configured to determine the at least one manipulated variable of the consumer from signals detected at the control channel interface.
  • the control channel interface may be configured to detect control signals directed to each of the plurality of consumers.
  • the control channel interface may be configured to monitor the control signals transmitted on a control channel from a controller to the consumer.
  • the control channel interface may be configured to listen to DALI control signals on a DALI bus.
  • the control channel interface may be configured to allow bi-directional communication of the device with the lights to interrogate control values.
  • the apparatus may be configured to determine the power consumption of the plurality of consumers individually for each of the plurality of consumers and / or for each of a plurality of groups of consumers of the lighting system.
  • the device may be configured to non-volatile store the determined energy consumption for each of the plurality of consumers.
  • the device may initiate storage locally in a memory of the device or remotely from the device, for example over a wide area network.
  • the apparatus may include an output interface for outputting the energy consumption determined for each of the plurality of consumers individually and / or for each of a plurality of groups of consumers of the lighting system.
  • the output interface may be configured for wireless or wireline transmission of the energy consumption determined for each of the plurality of consumers.
  • the output interface may be configured to output the consumption in accordance with an IP-based protocol.
  • the IP-based protocol may be Zigbee, Wired Ethernet or another protocol.
  • An illumination system comprises a plurality of consumers and an apparatus for determining energy consumption according to an exemplary embodiment.
  • the lighting system may include a controller configured to generate control signals for the plurality of consumers.
  • the device for determining the energy consumption can be set up to monitor the control signals and to determine the energy consumption in dependence on the control signals for the plurality of consumers.
  • the lighting system may include a control channel to which the controller, the plurality of consumers, and the power consumption determining device are coupled.
  • the control channel can be a DALI bus.
  • the plurality of consumers may include a plurality of lights. At least one of the consumers whose energy consumption is being determined may be one of a light and an operating device of different consumers. This consumer or these consumers that are not lights, for example, sensors or a control device.
  • a system according to an embodiment includes an illumination system having means for determining the power consumption according to an embodiment, and an energy or power detection means for detecting a total power consumption or total power consumption of consumers of the system.
  • the energy or power detection device may be an energy meter that detects energy consumption that is either assigned only to the lighting system or that may also include other consumers that can not be controlled in the lighting system.
  • the energy meter can be a central energy meter which records a total consumption of all consumers in a building part or an entire building.
  • the energy meter can be connected in series with the supply.
  • the energy meter can be coupled via a transformer with supply lines.
  • a method for determining a consumption of energy for consumers of a lighting system having a plurality of consumers is described according to a further embodiment. example given. The method comprises determining a power consumption of a consumer of the lighting system as a function of at least one control value of the load.
  • an automatic calibration can be carried out, in which for a plurality of control values of the consumer, an respectively assigned power consumption of the consumer is automatically determined.
  • the automatic calibration may include processing control signals for the plurality of consumers and energy meter signals.
  • the energy meter signals may include information about a total energy consumption or a total power consumption of a system having the plurality of consumers of the lighting system.
  • the automatic calibration can automatically determine how long an integration of the power consumption takes place during calibration. With lower power consumption, the integration time can be set automatically to a longer value than with a larger power consumption. As a result, a reliable calibration can be achieved even if the control values correspond to a low dimming level.
  • the method may be performed by the device, the illumination system, or the system according to one embodiment.
  • the energy consumption of each of the plurality of consumers can be determined.
  • a replacement of all operating devices by operating devices, which are provided with an energy meter, can be omitted.
  • the device for determining the energy consumption at least in the calibration phase, query an energy counter to determine how different Control values affect the power consumption of a consumer.
  • FIG. 1 shows an illumination system with a device for determining an energy consumption according to an exemplary embodiment.
  • Figure 2 is a block diagram of an apparatus for determining power consumption according to an embodiment.
  • FIG. 3 is a block diagram of a device for determining an energy consumption according to an exemplary embodiment.
  • FIG. 4 is a flowchart of a method according to one embodiment.
  • FIG. 5 shows an illumination system with a device for determining an energy consumption according to an exemplary embodiment.
  • FIG. 6 shows a lighting system with a device for determining an energy consumption according to an exemplary embodiment.
  • FIG. 7 shows a lighting system with a device for determining an energy consumption according to an exemplary embodiment.
  • FIG. 8 is a flowchart of a method according to an embodiment.
  • FIG. 9 is a flowchart of a method according to one embodiment.
  • FIG. 10 is a flowchart of a method according to an embodiment. DETAILED DESCRIPTION OF EMBODIMENTS
  • FIG. 1 is an illustration of a system 1 that includes an illumination system 10 and an energy meter 2.
  • the lighting system 10 includes a device 40 for determining power consumption of individual loads 1 1-13 of the lighting system 10.
  • the device 40 may be coupled to a control channel 15 to determine current control values of the consumers 1 1 -13 and to depending on the current control values, the duration in which these control values are active, and data showing the relationship between control value and linenauf - Determine the respective consumer 1 1-13, determine the energy consumption individually for each of the consumers 1 1 -13.
  • the device 40 may be connected to the energy meter 2 via a wireless or wired interface.
  • the device 40 can be set up to determine at least in a calibration phase, depending on the respectively applicable control values of the consumers 1 1-13 and depending on the resulting change of the total power consumption detected by the energy counter 2, which power consumption the individual consumers 1 1-13 for different control values.
  • the energy meter 2 can be connected in series with the supply.
  • the energy meter 2 may be connected to supply lines 3, 4 via a coupler or other transmitter.
  • At least two of the consumers 1 1 -13 may have mutually different configurations.
  • at least two of the consumers 11 -13 may comprise different operating devices and / or lighting means.
  • several of the consumers 1 1-13 may each be a luminaire, at least one of the consumers whose energy consumption is determined may be different from a luminaire and an operating device.
  • at least one of the consumers whose power consumption is determined may be a controller, a sensor, an input interface or another input element.
  • the illumination system 10 includes a plurality of lights 1 1 -13.
  • Each of the lights 1 1 -13 comprises an operating device 21-23, which are each connected on the output side to an associated light source 24-26.
  • the operating devices and lamps do not necessarily have to be combined in luminaires.
  • the light sources 24-26 may each be configured, for example, as one LED module or may comprise one or more light emitting diodes.
  • the bulbs 24-26 may each comprise one light emitting diode (LED) or multiple LEDs.
  • the LED or LEDs may include inorganic light emitting diodes, organic light emitting diodes, or a combination of inorganic light emitting diodes and organic light emitting diodes.
  • the light sources 24-26 can be mounted, for example, on a ceiling 2 or a wall of a building.
  • the operating devices 21-23 can each be set up to supply the light source.
  • the operating devices 21-23 can each be designed as LED converters.
  • the operating devices 21-23 may each include a DC / DC converter.
  • An input of each operating device 21-23 may be configured for connection to supply lines 3, 4.
  • the illumination system 10 may include a control channel 15 for transmitting control signals.
  • the control channel 15 can optionally also be used for the transmission of sensor signals or other status information.
  • the control channel 15 may include a bus. Instead of a bus system, the different consumers 1 1-13 of the lighting system 10 may also be in communication with a control unit 14 in other ways.
  • the control channel 15 may be configured as a DALI bus.
  • the lights 1 1-13, the control unit 14 and the device 40 for determining the energy consumption and optionally other devices of the lighting system 10 may each be coupled to the control channel 15.
  • the device 40 for determining the energy consumption can be set up to listen in to control signals which the control device 14 sends via the control channel 15 to the operating devices 21-23 of the loads 1 1-13.
  • the device 40 for determining the energy consumption can determine the respective control values of the consumers 1 1-13 from the control signals.
  • the device 40 depending on the current control values, the duration in which these control values are active, and data that determine the relationship between control value and power consumption of the respective consumer 1 1 -13, the energy consumption individually for each of the consumers 1 1 -13 determine.
  • the control device 14 may be configured to transmit dimming values, color values, combinations of dimming and color values or other control values to the consumers 11 -13 via the control channel 15.
  • the control unit 14 can be set up to control the consumers 1 1-13 individually and / or in groups. For example, an activation can take place in DALI groups.
  • the device 40 for determining the energy consumption can be designed so that the control channel interface to control signals for the consumers 1 1 -13 detected and analyzed. Using a stored power profile that maps the control value to a power consumption, the device 40 for determining the energy consumption can determine the instantaneous power. The device 40 for determining the energy consumption may alternatively or additionally actively query the current control value of each of the consumers 1 1-13.
  • the power profile which indicates an assignment of dimming value or other control values for power consumption, can be determined via a calibration process. In this case, the control value of the lamp and the total energy consumption, which is determined by the energy meter 2, are logically linked together.
  • the calibration may be transparent, for example, so that changes of the dimming values and / or color values that are recognizable to the user are made specifically for calibration, or are visible in times when the calibration does not disturb users, for example at night.
  • the current total energy consumption or the current total power consumption of the energy meter 2 can be provided.
  • the energy meter 2 can, for example, have an optical interface or another wireless interface in order to transmit in the form of digitally coded values the current total energy consumption or the current total power consumption to the device 40 for determining the energy consumption. Since the total value is displayed and thus also unknown consumers, for example consumers not belonging to the lighting system 10, may be included, the calibration can be performed such that these unknown consumers have a constant power consumption while the calibration is taking place. Multiple measurements over time can improve calibration.
  • changes that are not caused by control value changes of a consumer 1 1 -13 of the lighting system can be detected and ignored in determining the assignment of control values for power consumption.
  • a co- Telung or another filtering done in which the change in the total power consumption, which is caused by a certain manipulated variable change of a consumer, repeatedly determined by polling the energy meter 2 and then averaged, filtered or otherwise processed.
  • the power profile which assigns a power consumption to each of the control values of a consumer, can also be determined completely transparently from many measurements and the resulting equation systems. This can be done, for example, in normal use.
  • the calibration is advantageously carried out again so that the not controlled via the control channel 15 consumers a constant or a known power consumption, which can also be temporally variable, cause.
  • the energy consumption determination device 40 may be configured to automatically determine which integration time integrates the power consumption during the calibration. At a lower power consumption, the power consumption determining device 40 may be configured to automatically set the integration time to a longer value than a larger power consumption. As a result, a reliable calibration can be achieved even if the control values correspond to a low dimming level.
  • the power consumption can be determined in each case from the signals provided by the energy meter 2.
  • the calibration can be carried out automatically by the device 40 for determining the energy consumption so that more time is used to determine the power profile for control values that correspond to a small power consumption than for control values that correspond to a higher power consumption.
  • the device 40 for determining the energy consumption determined using the set in the Nutz pride the lighting system 10 control values and the information that each control value each associated with an associated power consumption, the energy consumption per consumer.
  • the device 40 for determining the energy consumption can make a logical assignment of the consumers 1 1-13 to groups.
  • the groups may be determinable via a user interface, for example for billing.
  • the group assignment can also be detected from the control channel 15 determined control signals.
  • the energy consumptions which are determined consumer-specific and / or for groups of consumers 1 1-13, can be read via an output interface or any other data processing unit.
  • the apparatus 40 for determining the power consumption may be configured as a device having a housing and communicatively coupled to the control channel 15.
  • the device 40 for determining the energy consumption can also be structurally integrated in the control device 14 or one of the consumers 1 1-13.
  • An embodiment in which the device 40 for determining the energy consumption is configured as a separate device facilitates retrofitting.
  • the described functions of the device 40 can also be distributed over several separate devices. For example, the determination of the assignment of control values to power consumption for the consumers 1 1-13 can be carried out by a device which only has to be present during the calibration. The result of the calibration can be transmitted to a second device which uses the assignment of control values to power consumption for the consumers 1 1 -13 in order to determine the current control value for each of the several consumers 1 1 -13 and depending on the this power value associated power consumption and the duration in which this control value is valid to determine the corresponding increase in energy consumption of this consumer.
  • the device 40 for determining the energy consumption can be set up to determine the individual consumers 1 1 -13 of the lighting system 10 associated energy consumption by processing the control values of the consumer 1 1-13. A measurement of the energy flow in the supply line 3, 4 or from the supply lines 3, 4 need not be done. The device 40 for determining the energy consumption can be set up such that it is not coupled to the supply line 3, 4 or has no unit for measuring the energy flowing via the supply line 3, 4.
  • the device 40 for determining an energy consumption does not have to determine the associated power consumption for each possible control value of each of the plurality of consumers 11 -13 by using data from the energy meter 2.
  • the device 40 may measure the power as a function of the dimming value and / or color value for some nodes depending on the data of the energy meter 2 in the calibration and then use an interpolation and / or extrapolation outside the interpolation points.
  • the power profile for each of the consumers 1 1-13 may be retrieved from the operating devices 21-23 or programmed into the device 40 for determining energy consumption when the lighting system is configured.
  • the device 40 for determining an energy consumption can be set up to take account of tariff information in the consumption determination.
  • the tariff information may, for example, include information about a respective applicable tariff, for example day or night tariff.
  • the device 40 may poll the tariff information from the energy meter 2. For example, the device 40 can query from the energy meter 2, which tariff is valid in each case.
  • the consumption information can be determined by the device 40 for determining an energy consumption not only in energy units, but also in consumption costs.
  • the means 40 for determining an energy consumption can be set up to determine the energy consumption of a consumer or a group of consumers depending on a result of the calibration, time sequentially set control values of the consumer, the duration for which a control value is set in each case and the tariff information.
  • FIG. 2 is a block diagram of a device 40 for determining a power consumption of consumers 11 -13 of a lighting system 10 according to an exemplary embodiment.
  • the device 40 for determining an energy consumption can generally be set up to use control values of the consumers 11 -13 in order to determine the energy consumption from the control values and information about the power consumption assigned to the control values.
  • the device 40 for determining an energy consumption may alternatively or additionally be set up to determine the power consumption of the consumer for several control values of a consumer with queries of the energy meter 2.
  • the device 40 comprises a processing device 42.
  • the processing device 42 is set up in order to determine the power consumption of the consumer 11 -13 as a function of control values of a consumer 11 -13.
  • the processing device 42 may multiply the time in which a manipulated variable is valid by a power consumption associated with the manipulated variable for that consumer in order to determine by which increment the energy consumption for that consumer has to be increased.
  • the energy energy consumption may be stored non-volatile in a memory 46.
  • the energy consumption can be updated by monitoring the manipulated value changes and using the power profile of the corresponding consumer.
  • the processing device 42 may comprise one or more semiconductor integrated circuits.
  • the processing device 42 may include one or more of a processor, a microprocessor, a controller, a microcontroller, a custom application specific circuit, or a combination of said or other semiconductor integrated circuits.
  • the device 40 may include a timer 45 that may be coupled to or integrated with the processing device 42. Depending on the time signal of the timer or clock generator 45, the processing device can determine how long a manipulated variable for a consumer has been valid in each case.
  • the device 40 may be configurable to determine power consumption not only for a single consumer, but alternatively or additionally for a group of consumers. In this way, for example, for billing purposes, several consumers can be grouped together to determine their cumulative energy consumption. Via a user interface (not shown in FIG. 2) or the control channel 15 information can be transmitted which indicates which consumers each belong to a group.
  • the groups for which the energy consumption is determined in each case can be identical to DALI groups, but can also be defined independently of the DALI groups of the illumination system 10.
  • the device 40 may include a memory 44 for storing power profiles of the consumers 1 1-13.
  • the power profiles can be automatically determined by the device 40 in a calibration.
  • the power profile of a consumer indicates, in each case, which power consumption the consumer has during operation with this control value.
  • the device 40 can in each case interrogate the current counter reading of an energy meter 2 multiple times in order to determine the power consumption which results for a control value of a load 11 -13, for example in comparison to a state in which no light is emitted ,
  • the device 40 may include an energy meter interface 41 for communicating with the Include energy meter 2.
  • the energy meter interface 41 may be an optical interface or other wireless interface, for example a radio interface.
  • the device 40 may be configured to send inquiries to the energy meter 2 for determining the power profiles in the calibration via the energy meter interface 41 and / or to obtain information about a current meter reading of the energy meter via the energy meter interface 41.
  • the energy meter interface 41 may be configured to communicate with the energy meter 2 in accordance with an IP-based protocol.
  • the IP-based protocol may be Zigbee, Wired Ethernet or another protocol.
  • the device 40 may include a control channel interface 43.
  • the device 40 may be configured to determine from signals received at the control channel interface 43, which control value is currently set for a consumer and / or to which new control value a consumer should assume.
  • the control channel interface 43 may be configured to listen to control signals for the consumers 1 1 -13 transmitted via the control channel 15.
  • the processing device 42 can determine a new control value from the control signals for the respective consumer.
  • the control channel interface 43 may be configured in this case as a unidirectional interface.
  • the device 40 may alternatively or additionally be set up to actively query the current control value of one or more consumers 11 -13 via the control channel interface 43.
  • the control channel interface 43 is designed in this case as a bidirectional interface.
  • the temporally variable manipulated variables which are determined via the control channel interface 43 for the consumers 1 1 -13, are used by the processing device 42 in order to determine how the temporally integrated energy consumption of the respective consumer increases.
  • the energy consumption stored in memory 46 can be updated.
  • the temporally variable manipulated variables, which are determined via the control channel interface 43 for the consumers 1 1 -13, can alternatively or additionally also be used by the processing device 42 in the calibration in which the power profiles 44 are generated.
  • the device 40 may be configured as a device having a housing and designed for coupling to the control channel 15 of the lighting system.
  • the device 40 of FIG. 2 can be set up in order to read the energy consumptions of the several consumers and / or the energy consumptions of one or more groups via the control channel interface 43 to a read-out device coupled to the control channel 15 and / or also for communication during read-out of the energy consumptions output with the energy meter died wireless interface 41.
  • FIG. 3 is a block diagram of a device 40 for determining an energy consumption of consumers 1 1 -13 of a lighting system 10 according to an exemplary embodiment. Elements which may have the configuration described with reference to FIG. 2 are designated by the same reference symbols as in FIG. 2.
  • the device 40 may include an output interface 47 in order to output the energy consumptions of the plurality of consumers and / or the energy consumptions when reading out the energy consumptions.
  • the output interface 47 may be a wireless interface for communication with a readout device.
  • the output interface 47 may optionally include an optical or acoustic output unit to output the energy consumption optically or acoustically.
  • FIG. 4 is a flow chart of a method 50 according to one embodiment.
  • the method 50 may be automatically performed by the device 40 to determine power consumption.
  • the device 40 determines performance profiles of multiple consumers.
  • the determination of the power profiles of the plurality of consumers may include a query of an energy meter 2.
  • the control values of all other consumers can be kept constant in order to enable the determination of the power profile in a simple manner.
  • the control values of several consumers can also be changed simultaneously in order to scan a multi-dimensional data space which is spanned by the control values of the several consumers.
  • Determining the power profile in the calibration at step 51 does not require that for each possible control value of each of the plurality of consumers 1 1 -13, the associated power consumption is determined by using data from the energy meter 2. For example, in the calibration, the power as a function of the dimming value and / or color value for some nodes depending on the data of the energy meter 2 can be determined. Subsequently, an interpolation and / or extrapolation outside the interpolation points can be used. Alternatively or additionally, the power profile for each of the consumers 1 1-13 can be retrieved from the operating devices 21-23 or programmed into the device 40 for determining energy consumption when the lighting system is configured.
  • step 52 power consumption is determined for each of a plurality of loads, for example, each of a plurality of lights. This is monitored as a function of time, which control values are set for each of the consumers. In combination with the power profile of the load and the time-dependent change of the control value, it is determined which energy consumption the consumer has in the corresponding time span. The non-volatile stored previous value of the energy consumption can be incremented accordingly. These functions can be performed for each of several consumers.
  • the power consumption of groups of consumers may also be determined. For this purpose, consumer-specific energy consumptions can be added up.
  • an improvement in performance profiles may also be made.
  • the count of the energy counter 2 can be queried and logically linked to the set control values. In this way, changing operating conditions, such as a higher required cooling capacity at higher ambient temperature, taken into account and track the performance profiles accordingly.
  • the energy meter 2 may be an energy meter which detects a total energy consumption of only the controllable with the control channel 15 consumers 1 1 -13 of the lighting system.
  • other consumers for example consumers not belonging to the lighting system, to be coupled to the supply line 3, 4 so that the energy meter 2 also records their energy consumption, as shown in FIG.
  • FIG. 5 is an illustration of a system 1 that includes an illumination system 10 and an energy meter 2. Elements which may have an embodiment described with reference to FIGS. 1 to 4 are denoted by the same reference symbols as in FIGS. 1 to 4.
  • the energy meter 2 detects a total energy consumption of the consumer 1 1 -13 of the lighting system, which can be controlled via the control channel 15, and the load 31, 32, which are not controlled via the control channel 15.
  • the energy meter may be a central energy meter of a building or part of a building that need not be specifically provided for the lighting system 10.
  • the device 40 may be configured as described with reference to FIGS. 1 to 4 in order to automatically learn power profiles of the consumers 1 1-13 of the lighting system which can be controlled via the control channel 15.
  • This calibration can be carried out in a state in which the further consumers 31, 32, which are not controllable via the control channel 15, have a constant power consumption, or in a state in which the power consumption of the further consumers 31, 32 is otherwise known.
  • the configuration may be carried out as described with reference to FIGS. 1 to 4, when the further consumers 31, 32, which are not controllable via the control channel 15, have a constant power consumption.
  • Changes in the total power consumption, which are reflected in the total energy consumption detected by the energy meter 2, are then not influenced by the further consumers 31, 32 and can be assigned to the manipulated variable changes of one of the consumers 11 -13.
  • this can be taken into account mathematically in order to determine the power profile of each of the consumers 1 1-13.
  • various mathematical techniques can be used with which the device 40 can determine the power profile of each of the consumers 11 -13 depending on the control values and the query of the energy meter 2.
  • a consumer 1 1 can be set several times to a specific control value, and the respectively determined by queries of the energy meter 2 power recordings for this control value can be averaged or filtered in another way to eliminate the unknown influence of other consumers 31, 32 .
  • the filtering may include suppressing or omitting readings that as outliers have a significant deviation from the mean and thus likely to be associated with a change in one of the other consumers 31, 32.
  • Other filtering methods known per se can be used to eliminate the unknown influences of the further consumers 31, 32 from the device 40.
  • the control channel 15 may comprise a bus, but may also have a different configuration.
  • the control channel 15 may be implemented by a wireless interface between the controller 14 and the operating devices 21-23.
  • FIG. 6 is an illustration of a system 1 that includes an illumination system 10 and an energy meter 2. Elements that may have an embodiment described with reference to Figure 1 to Figure 5 are denoted by the same reference numerals as in Figure 1 to Figure 5.
  • the control channel interface 43 of the device 41 is set up to listen to control signals for the consumers 1 1-13 transmitted via the control channel 16 in order to detect the control values of the consumers 1 1-13 in a time-dependent manner.
  • the control values for example dimming values or color values, can be used both during calibration and when determining the energy consumption depending on the control values and the power profile.
  • control channel interface 43 can be designed as a unidirectional interface which receives control signals transmitted on the control channel 16. In this way, unidirectional communication 18 from the control channel 16 to the device 40 can be implemented.
  • the control channel interface 43 can also be designed as a bidirectional interface, for example to allow the device 40 to signal the control unit 14 that the calibration is to be carried out.
  • the controller 14 may begin in response to a corresponding request of the device 40, the consumers 1 1 -13 sequentially to each of several different control values, for example, different Dimmagonist and / or color values to allow the device 40 to determine the power profile.
  • the device 40 can query the respective energy consumption of the energy meter 2 in order to determine the power profiles of the consumers. To output determined power consumption, the device 40 may communicate with a readout device 60 via a readout interface 61, which may be a wireless interface. Instead of a wireless interface 61, which may be an optical interface or radio interface, a wired interface may also be used.
  • the device 40 may also be configured to be configured via the wireless interface 61 or via the interface 43 for communication with the control channel 16, for example by defining groups of consumers whose accumulated power consumption is then determined by the device 40.
  • FIG. 7 is an illustration of a system 1 that includes an illumination system 10 and an energy meter 2. Elements which may have an embodiment described with reference to FIGS. 1 to 5 are designated by the same reference symbols as in FIGS. 1 to 5.
  • the bidirectional communication device 19 may be configured via the control channel interface 43.
  • the bidirectional communication allows the device 40 to actively query the control values of the consumers 1 1-13. This can be provided in addition to or as an alternative to monitoring the control signals for the consumers 1 1-13. For example, an active query can always be made if no current control value could still be determined from a control signal and / or if the same current control value was retained for a predefined period of time, so that the device 40 can carry out a check by means of the active query.
  • FIG. 8 is a flowchart of a method 70 according to one embodiment.
  • the method 70 can be performed automatically by the device 40 in order to determine the power profiles of the consumers 1 1 -13 in a calibration from the control values of the consumers 1 1 -13 in combination with counter readings of the energy counter 2.
  • control values of the consumers 1 1 -13 can be monitored, which can be controlled via a control channel 16.
  • the consumers 1 1 -13 may comprise a plurality of lights.
  • the monitoring of the control values can be a receiving and processing of the control signals 14 generated for the consumers 1 1 -13 include.
  • step 72 it may be checked whether to initiate a learning phase in which performance profiles of consumers 1 1-13 are to be learned and / or updated.
  • the learning phase is used for calibration, in which different control values of each of the consumers are each assigned to a power consumption. If the learning phase is not to be initiated, the process may return to step 71.
  • a total power consumption which takes place via the supply lines 3, 4, with which the consumers 1 1 -13 are supplied, can also be determined for calibration.
  • at least two counter readings of the energy counter 2 can be interrogated time-sequentially in order to determine the total power consumption.
  • step 74 it can be checked whether a manipulated value change is taking place for one of the consumers.
  • 1 to 13 generated control signals of the control unit 14 on the control channel 16 can be monitored and evaluated for the consumers. If there is no manipulated value change, the method can return to step 73. Any changes in the total power consumption, which are detected without control value changes of the consumer can be assigned to the other consumers 31, 32, which are not coupled to the control channel 16.
  • the manipulated value change can take place, for example, in a specific calibration phase, in which the control device 14 first controls one of the consumers 11 so that it is set to multiple control values in a time-sequential manner, and in which the control device 14 subsequently activates one or more of the consumers in such a way that they time sequentially set to several manipulated variables.
  • the control unit 14 can start each of several consumers in succession a plurality of support points, for example a plurality of dimming values and / or color values, which are used for the calibration.
  • the total power consumption which takes place via the supply lines 3, 4, with which the consumers 1 1-13 are supplied, can be determined.
  • at least counter readings of the energy counter 2 can be queried time-sequentially in order to determine the total power consumption.
  • the power consumption of the load whose manipulated variable is has been changed from the determined at steps 73 and 75 total power consumption. For example, a change in the total power consumption, which results from the change in control value of a load 1 1 from a dimming value of zero to a dimming value greater than zero, the power consumption of this consumer 1 1 define for the corresponding control value.
  • step 77 it may be checked whether the learning phase should be ended. If the learning phase continues, the process may return to step 73.
  • One or more consumers 1 1-13 can be controlled in order to sequentially approach different manipulated variable interpolation points, wherein the change in the total power consumption resulting from the manipulated variable change, as it results from the counter readings of the energy counter 2, is determined in each case.
  • the performance profiles may be stored when the learning phase is completed. If not every possible control value has been approached, an interpolation and / or extrapolation of the power consumption previously determined based on measurements of the energy meter 2 can be made as a function of the control value.
  • the power profiles for the multiple loads may be stored locally in the device 40 and used for the subsequent determination of the power consumption of the plurality of loads 1 1 -13.
  • FIG. 9 is a flowchart of a method 80.
  • the method 80 may be executed by the device 40 according to one embodiment to convert the consumption of individual consumers and / or for a group of consumers from monitored control values of the consumers 11 -13 in combination with the power profiles determine.
  • control signals for the consumers 1 1 -13 can be monitored, with which the control unit 14 controls the consumers 1 1-13.
  • the monitoring of the control signals may include receiving and processing the control signals transmitted on a bus 15 or other control channel 16.
  • the control signals can be processed to determine the time-dependent change of control values of the different consumers 1 1 -13.
  • step 82 depending on the control values, for example dimming values and / or color values of luminaires, in combination with the power profiles, the current power consumption of all consumers 1 1-13 can be determined. These can be used for incrementing the energy consumption of each of the consumers 1 1 -13, taking into account, in a manner known per se, the time duration in which the current power consumption is kept constant before a new change in the control value.
  • the energy meter 2 can be queried, for example, to update the performance profiles, further improve and / or determined by the device 40 energy consumption of consumers 1 1 -13 to a consistency check undergo.
  • FIG. 10 is a flowchart of a method 85.
  • the method 85 may be executed by the device 40 according to an embodiment to convert consumer controlled consumption values 1 1 -13 in combination with the power profiles into consumer-specific energy consumption and / or for a group of consumers identify and update the performance profiles.
  • Steps 81 and 82 may be performed as described with reference to FIG.
  • the total power consumption taken via the supply lines 3, 4, with which consumers 1 1 -13 are also supplied may be determined.
  • at least counter readings of the energy counter 2 can be queried in time-sequential manner in order to determine the total power consumption.
  • the total power consumption can be determined repeatedly for different control values of at least one of the consumers 1 1-13.
  • the power profile that relates the load values of a load to its power consumption may be updated. For this purpose, for example, a performance profile originally learned in the calibration phase can be updated.
  • the originally only calculated power consumption can be replaced by an improved power consumption, which is determined by querying the energy meter during operation.
  • the device 40 may be configured to perform a calibration automatically, in which for several control values each associated power consumption of a consumer is learned depending on counts of an energy meter 2, the relationship between control value and power consumption also otherwise stored in the device 40.
  • the device 40 may download calibration data describing the relationship between manipulated value and power consumption for each of the plurality of consumers 11 -13 from a memory of the corresponding consumer 11 -13.
  • calibration data describing the relationship between manipulated variable and power consumption can be user-defined stored in the device 40 for each of the plurality of consumers 11 -13 in the configuration or picking of the lighting system 1.
  • the device 40 may be a device that performs both calibration and power consumption estimation in use, two separate devices may be used for the different functions.
  • the calibration can first be carried out with a first device in which the relationships between control values and power consumption of the consumers are automatically learned.
  • the power profiles determined in this way are transmitted to a second device, which then takes over the determination of the energy consumptions of several consumers in the useful operation of the lighting system 10.
  • the first device may be a device used for the configuration and / or picking of the lighting system 10, which need not remain permanently installed.
  • the consumers 1 1-13 may be all lights, at least one of the loads may also be from a light and a control gear different.
  • the disclosed techniques can also be used for different states of a sensor, a control device 14 or another device in order to determine the associated energy consumption.
  • Different control values can, for example, correspond to different operating states such as standby and normal operation.
  • Devices, systems and methods according to embodiments allow the detection of energy consumption of individual lights or other consumers of a lighting system depending on control values of the lights or other consumer rather.

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Circuit Arrangement For Electric Light Sources In General (AREA)

Abstract

Dispositif (40) destiné à déterminer la consommation d'énergie de consommateurs (11-13) d'un système d'éclairage (10). Ledit dispositif (40) comporte un dispositif de traitement conçu pour déterminer la consommation d'énergie d'un consommateur (11-13) indépendamment d'au moins une valeur de réglage du consommateur (11-13) du système d'éclairage (10).
PCT/EP2016/071874 2015-09-23 2016-09-15 Dispositif et procédé de détermination de la consommation d'énergie pour des consommateurs d'un système d'éclairage WO2017050637A1 (fr)

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DE102015218242.8A DE102015218242A1 (de) 2015-09-23 2015-09-23 Vorrichtung und Verfahren zum Ermitteln eines Energieverbrauchs für Verbraucher eines Beleuchtungssystems
DE102015218242.8 2015-09-23

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DE202018106059U1 (de) * 2018-10-23 2020-01-24 Tridonic Gmbh & Co Kg Bus-Zentraleinheit mit Power Monitoring

Citations (2)

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US20100251157A1 (en) * 2007-11-21 2010-09-30 Koninklijke Philips Electronics N.V. Light management system with an integrated energy function
EP2838322A1 (fr) * 2013-08-16 2015-02-18 CP Electronics Limited Procede et appareil pour supervision d`energie dans un système d`éclairage

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Publication number Priority date Publication date Assignee Title
WO2006049356A1 (fr) * 2004-11-02 2006-05-11 Lg Electronics, Inc. Système de gestion de la consommation d'énergie domestique
DE202011003232U1 (de) * 2011-02-25 2012-05-30 Robert Seuffer Gmbh & Co. Kg Steuerungsvorrichtung für elektrische Verbraucher

Patent Citations (2)

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Publication number Priority date Publication date Assignee Title
US20100251157A1 (en) * 2007-11-21 2010-09-30 Koninklijke Philips Electronics N.V. Light management system with an integrated energy function
EP2838322A1 (fr) * 2013-08-16 2015-02-18 CP Electronics Limited Procede et appareil pour supervision d`energie dans un système d`éclairage

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