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EP3965533B1 - Module d'extension de mécanisme extracteur permettant de mettre à niveau un mécanisme extracteur - Google Patents

Module d'extension de mécanisme extracteur permettant de mettre à niveau un mécanisme extracteur Download PDF

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Publication number
EP3965533B1
EP3965533B1 EP21182319.0A EP21182319A EP3965533B1 EP 3965533 B1 EP3965533 B1 EP 3965533B1 EP 21182319 A EP21182319 A EP 21182319A EP 3965533 B1 EP3965533 B1 EP 3965533B1
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EP
European Patent Office
Prior art keywords
driver
extension module
module
communication
driver extension
Prior art date
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Application number
EP21182319.0A
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German (de)
English (en)
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EP3965533A1 (fr
Inventor
Alexander Niggebaum
Krister Bergenek
David CHILACHAVA
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Ledvance GmbH
Original Assignee
Ledvance GmbH
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    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
    • H05B45/20—Controlling the colour of the light
    • 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
    • H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
    • H05B45/10—Controlling the intensity of the light
    • H05B45/18—Controlling the intensity of the light using temperature feedback
    • 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
    • H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
    • 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
    • H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
    • H05B45/30—Driver circuits
    • 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
    • H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
    • H05B45/30—Driver circuits
    • H05B45/345—Current stabilisation; Maintaining constant current
    • 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
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B47/00—Circuit arrangements for operating light sources in general, i.e. where the type of light source is not relevant
    • H05B47/10—Controlling the light source
    • H05B47/175—Controlling the light source by remote control
    • H05B47/19—Controlling the light source by remote control via wireless transmission
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B47/00—Circuit arrangements for operating light sources in general, i.e. where the type of light source is not relevant
    • H05B47/10—Controlling the light source
    • H05B47/175—Controlling the light source by remote control
    • H05B47/18—Controlling the light source by remote control via data-bus transmission
    • H05B47/183—Controlling the light source by remote control via data-bus transmission using digital addressable lighting interface [DALI] communication protocols

Definitions

  • the present disclosure generally relates to electrical drivers.
  • the present disclosure relates to driver extension modules for retrofitting a driver.
  • Electrical drivers for providing an output current or an output voltage, in particular for controlling an electrical load are known.
  • precise control of the output current or output power is required.
  • relatively small deviations in the output parameters of LED drivers can lead to impairments in the quality of the light generated by an LED light engine.
  • these deviations in the output parameters of drivers, as well as aging processes and manufacturing tolerances in LEDs can lead to a noticeable deterioration in the quality of the light.
  • high-precision adjustable drivers are used, but this is usually associated with high costs.
  • US 2011/133668 A1 describes a solid state lighting system comprising an electronic driver having a power input configured to receive power from a power source, the electronic driver having a power output, and the electronic driver controlling the supply of power to the power output according to a control protocol.
  • the electronic driver has an expansion port for connecting an expansion module, the expansion module having functionality that affects the control protocol.
  • the driver can accommodate more than one expansion module that can be selectively coupled to the at least one expansion port to change the control protocol.
  • An object of embodiments of the present disclosure is to provide a cost-effective way to control output parameters of electrical drivers.
  • a driver extension module for retrofitting a driver according to claim 1 and a driver with at least one adjustable output parameter according to claim 7 are provided. Further features of the driver extension module and the driver are disclosed in the dependent claims.
  • the control unit can in particular comprise a microcontroller with a processor for data processing, with a memory unit for storing data and machine-readable codes for the processor and with an interface for connecting the control unit to the communication bus.
  • the control unit or the microcontroller can also comprise one or more further interfaces, in particular for configuring digital inputs and outputs and/or for translating measurement signals. Configuring the control unit to carry out certain actions means in this context that in order to carry out these actions, corresponding data and/or machine-readable instructions for the processor are stored in the memory unit of the control unit.
  • the driver can be designed in particular as an LED driver, in particular for driving an LED light engine.
  • the at least one output parameter of the driver can comprise an output current and/or an output voltage or output power of the driver.
  • the data stored in the memory unit can in particular contain LED-specific data, such as aging data of the LEDs used in an LED light engine.
  • the at least one output parameter of the driver which can basically be designed as a standard driver, can thus be adapted taking into account the LED-specific data of the LED light engine or taking into account the aging processes of the LEDs, without having to replace the driver with a special high-quality driver.
  • a subsequent passive control or correction of the at least one output parameter of the driver can thus be achieved on the basis of the data stored in the memory unit.
  • the driver extension module can be designed to be connected to an output side of the driver, in such a way that the at least one output parameter, in particular the output current and/or output voltage, is passed on to the consumer or to the LED light engine by the driver extension module.
  • the driver extension module may comprise a sensor or measuring device for detecting or monitoring a current value of the at least one output parameter, wherein the control unit may be configured to adjust the at least one output parameter of the driver based on the detected current value.
  • a driver that does not have a device for monitoring its output parameters and/or their adjustment can be easily extended to include these functions, in particular monitoring or active adjustment or correction of output parameters.
  • Monitoring the driver output or at least one output parameter of the driver can also be used to compensate for any offsets that may arise, in particular, due to component tolerances.
  • Drivers that do not originally provide for compensation of this offset can therefore be easily retrofitted for offset correction using the driver extension module.
  • the driver By retrofitting the driver with the driver extension module, the driver can to meet the requirements applicable to higher product classes.
  • the development of own variants of drivers for any additional functions can be avoided by the driver extension module, as the additional functions are provided by the driver extension module connected to a standard driver.
  • the driver extension module makes it possible to achieve precise output currents or voltages without changing the driver design. In particular, this does not require the use of high-quality or highly intelligent drivers with special driver designs. This is associated with high extra costs, particularly in cases where only small quantities are expected, as such drivers have to be specially developed and are typically more complex than drivers without this function. Precise calibration measurements or active correction of drivers on the production line, which are also associated with high costs, can also be avoided by retrofitting the drivers with the driver extension module.
  • control unit is designed to adapt or regulate the at least one output parameter both passively and actively, wherein the driver extension module can be designed in such a way that it is possible to select or switch between the two operating modes depending on the application. In particular, switching between the operating modes can be done by intervention by the user or automatically, in particular if the control unit does not receive the information required for active regulation, in particular about the consumer.
  • the driver extension module can be designed to operate drivers with multiple output channels or multi-channel drivers, so that the control or correction function for one, two, more than two or all output channels of the multi-channel driver.
  • the driver extension module can be designed to correct or stabilize only a part of the driver or only a subset of all output channels of a multi-channel driver.
  • the correction of at least one output parameter can be carried out independently of the number of driver channels, in particular in an application-specific or cost-optimized manner.
  • the control unit can be configured to determine or calculate a current value of a junction temperature (JT) or temperature of a semiconductor junction of an LED, in particular of an LED light engine, based on an output voltage of the driver detected by the sensor system and to adjust the at least one output parameter of the driver based on the current value of the JT.
  • JT junction temperature
  • any temperature dependencies of LED parameters can be taken into account when controlling the LED light engine.
  • LEDs can have different temperature-related color shifts depending on the material class, phosphor combination and CCT (Correlated Color Temperature).
  • the information about the current values of the JT of the LED can be used to compensate for the temperature-dependent color shifts in light engines with different colored LEDs, which are driven, for example, by output currents from different output channels of the driver, by adjusting the output currents.
  • the driver extension module can be configured to work with another compatible or identical or similar driver extension module to exchange data and/or signals.
  • the driver extension module can have a communication interface for wireless and/or wired communication, so that communication with the other driver extension module can take place via the communication interface.
  • the ability to exchange data or signals or messages with another driver extension module enables coordinated operation of several driver extension modules, in particular in a system with two or more drivers or a multi-driver system.
  • the driver extension module can be configured to enable communication with another driver extension module via a network interface of the driver for connecting the driver, in particular via a communication bus, to a base module of a network structure. Networks of such drivers retrofitted with driver extension modules can thus be provided, which enable coordinated cooperation between the drivers.
  • a driver with at least one adjustable output parameter according to claim 7 is provided.
  • the driver can in particular comprise a network interface for connecting the driver to a base module of a network structure via a communication bus, in particular via an internal communication bus.
  • the base module of the network structure can in particular comprise a logic or logic unit which is configured to be connected to the communication bus, in particular to an internal communication bus of the network structure, for providing communication between the logic unit and one or more expansion modules or peripherals, in particular one or more functional devices and/or communication modules, for expanding the functions or providing the functions of the network structure.
  • the communication bus can be designed in particular to transmit data or signals between the logic unit and the expansion modules.
  • the communication bus is designed to supply one or more expansion modules with electrical energy.
  • the communication bus can in particular comprise signal lines for serial communication or transmission of messages and/or supply lines for supplying energy to the expansion modules or peripherals.
  • the communication bus is designed as part of the base module.
  • the communication bus can be designed to be connected to a large number of functional devices and/or communication modules as expansion modules in order to provide desired functionalities.
  • the logic unit represents in particular the central building block or node of such a network structure, via which, in particular, all network communication within the network structure can take place.
  • the logic or the logic unit therefore plays a central role in such a modular network structure.
  • the logic unit can forward, process and/or change information in accordance with the intended operating scenarios.
  • the logic unit can in particular comprise a microcontroller with a processor for data processing, with a memory unit for storing data and machine-readable codes for the processor and with an interface for connecting the logic unit to the communications bus.
  • the logic unit or the microcontroller of the logic unit can also comprise one or more further interfaces, in particular for configuring digital inputs and outputs and/or for translating measurement signals. Configuring the logic unit to carry out certain actions in this context means that in order to carry out these actions, corresponding machine-readable instructions for the processor are stored in the memory unit of the logic unit.
  • the logic unit can be configured in such a way that communication via the communication bus between the logic unit and the expansion modules can take place, in particular exclusively, via a system-internal or proprietary communication protocol.
  • the system-internal communication protocol can in particular make it difficult or impossible for unauthorized access to the communication bus of the network structure.
  • the use of the system-internal or proprietary communication protocol can make it difficult or impossible for non-certified or non-approved expansion modules to be connected to the base module.
  • the communication bus can thus serve as a protected, proprietary interface or ILB (Intra Luminaire Bus) for exchanging data or messages between the logic unit and the expansion modules or peripherals.
  • ILB Intra Luminaire Bus
  • the functional devices or peripherals can in particular include sensors or various sensors, drivers, in particular LED drivers, push buttons and/or other devices.
  • a functional device can be designed to detect or control the amount of light generated by the lamp.
  • a lamp can in particular have one or more light sources.
  • a lamp can include a light source for generating indirect light, such as in a diffusely lit lighting device, and a light source for generating direct light, such as in a light spotlight.
  • the amount of light can be controlled directly via the logic unit or via the LMS in which the lamp is integrated.
  • the functional devices can also be used to record and/or transmit data to the LMS.
  • the functional devices can include CO2 and/or temperature sensors that record or monitor the current CO2 concentration or temperature value and provide the recorded data, for example for the purpose of building maintenance or maintenance.
  • this information can be used to optimize energy consumption or increase the efficiency of operational processes.
  • the one or more communication modules can comprise a module designed for wireless communication.
  • the extension module can in particular comprise a ZigBee, Bluetooth, DALI interface.
  • ZigBee ® is a registered trademark of the ZigBee Alliance.
  • Bluetooth ® is a registered trademark of the Bluetooth Special Interest Group.
  • DALI ® Digital Addressable Lighting Interface
  • the communication module can be designed in particular to act as an interpreter between the logic unit and the LMS by communicating with the LMS via a standard protocol and communicating with the logic unit via the internal or proprietary protocol of the communication bus.
  • An LMS enables customers to control different lights individually or in groups and to define lighting scenes from simple to complex.
  • An extension module can also represent a communication module and a functional device at the same time, for example a ZigBee module with an integrated PIR sensor (Passive Infrared Sensor).
  • the network structure around the logic unit as a central unit or base module can be set up or expanded in a modular and flexible manner.
  • the base module can therefore be used to create an intelligent lighting bus system that allows the customer to determine the functionality, complexity and costs of operating devices or lights and to adapt them to their own needs.
  • the base module represents a design platform that allows functional devices to be used freely and flexibly, if necessary in compliance with any norms, standards and requirements in the desired device network or lighting management system.
  • the logic unit can be configured to search for an expansion module connected to the communication bus via the communication bus. This search function enables the logic unit to determine whether one or another expansion module has been connected to the communication module in order to react accordingly if necessary.
  • the logic unit can be configured to search for an expansion module for to configure the communication bus if the search shows that the expansion module is connected to the communication bus.
  • the logic unit can automatically configure a communication module connected to the communication bus as intended, so that, for example, by configuring a communication module, the network structure is automatically initialized for an LMS.
  • the logic unit of the base module can have a further interface, in particular a plug-and-play interface, in particular for connecting a plug-and-play functional unit or a functional device that can be directly controlled by the logic unit via control signals.
  • a plug-and-play interface in particular for connecting a plug-and-play functional unit or a functional device that can be directly controlled by the logic unit via control signals.
  • an LED driver without microcontroller-based intelligence can be connected to the plug-and-play interface and controlled directly by the logic unit.
  • the LED driver variables set at the factory can be stored directly in the logic unit.
  • Intelligent LED drivers that have their own microcontrollers can be connected to the communication bus or ILB interface.
  • the network structure can comprise one or more extension modules, in particular one or more functional devices and/or communication modules, for extending the functions or for providing the functions of the network structure, which can be connected to the communication bus to provide communication between the logic unit of the base module and the one or more extension modules.
  • the modular design of the network structure makes it possible to easily expand or retrofit the network structure with extension modules.
  • the network structure can comprise at least one light source, in particular at least one LED light source, and at least one driver, in particular an LED driver, for Driving the at least one light source, wherein the at least one driver can be designed as a functional device that can be connected to the communication bus.
  • the network structure can be designed as a lamp.
  • Such a lamp can be easily equipped with additional functions by connecting additional extension modules, such as additional functional devices and/or communication modules, to the communication bus.
  • the network structure can also comprise a plug-and-play LED driver that is connected to the plug-and-play interface of the logic unit and can be controlled directly by the logic unit. Simple LED drivers that are not able to communicate with the logic unit via the system-internal communication bus can thus be controlled directly via the plug-and-play interface.
  • the at least one extension module can comprise at least one communication module for connecting the network structure, in particular via a standardized protocol, to a network system or LMS.
  • the at least one communication module can be designed as a communication module for wireless communication with a network system or LMS.
  • An extension module of the network structure can be configured by means of the logic unit, wherein the method comprises a search, in particular by the logic unit, for an extension module connected to the communication bus.
  • This search function enables the logic unit to determine whether one or another extension module has been connected to the communication module in order to react accordingly if necessary.
  • the method further comprises configuring an extension module for the communication bus if the search shows that the extension module has been connected to the communication bus.
  • the logic unit can thus find an extension module connected to the communication bus. automatically configure as intended, so that, for example, by configuring an expansion module, the network structure can be automatically initialized for an LMS.
  • the method can include querying whether the expansion module found during the search is a communication module, wherein the expansion module can be determined to represent a functional device present in the network structure by the communication module in a network if the query shows that the expansion module found during the search is a communication module.
  • a communication module connected to the communication bus can thus be automatically configured to connect the network structure to the network, in particular LMS.
  • Representing can include notifying the communication module of the type of functional device present.
  • the information about the type of functional device can be automatically passed on to the network, in particular LMS, via the communication module.
  • the method can further include sending network-relevant or network-necessary factory settings of the functional device to the communication module.
  • the information about the factory settings of the functional device can be automatically passed on to the network, in particular LMS, via the communication module.
  • the network structure includes an extension module designed as a light
  • the network structure allows the lights to be calibrated subsequently, in particular after they have been installed as intended.
  • the calibration data can be recorded on a light of the same type and transferred to the network structure via an extension module designed as a communication module, in particular one with online capability. This means that such lights can be calibrated subsequently, regardless of the installation and manufacturer.
  • a driver system comprising a first driver with at least one adjustable output parameter, wherein the first driver has an interface for connecting a first driver extension module and a control input for receiving a control signal from the first driver extension module for setting the at least one output parameter.
  • the driver system further comprises a second driver with at least one adjustable output parameter, wherein the second driver has an interface for connecting a second driver extension module and a control input for receiving a control signal from the second driver extension module for setting the at least one output parameter, wherein the first driver is designed to drive a first electrical load and the second driver is designed to drive a second electrical load.
  • the first driver extension module or the second driver extension module can be designed in particular according to the first aspect of the present disclosure described above.
  • the first driver and the second driver can be designed in particular to control a first light engine or a second light engine.
  • the first driver and the second driver can be designed as LED drivers for controlling a first LED light source or LED light engine and a second LED light source or LED light engine.
  • the driver system thus allows different LED light engines to be controlled simultaneously.
  • the first driver extension module and/or the second driver extension module can, in particular, each have a sensor system for detecting or monitoring a current value of at least one output parameter of the first or the second Driver, wherein the first driver extension module or the second driver extension module can be configured to adapt the at least one output parameter of the first or the second driver based on the detected current value of the at least one parameter.
  • these functions can be easily expanded during retrofitting with the driver extension modules.
  • the first driver extension module and the second driver extension module can also be configured to communicate with each other to exchange data and/or signals, in particular via an interface for wireless and/or wired communication. Due to the ability to exchange data or signals or messages between the first driver extension module and the second driver extension module, the driver system allows the first driver and the second driver to be controlled in a coordinated manner.
  • the driver system can further comprise a network structure with a base module and with a communication bus, in particular an internal communication bus, in particular according to one of the network structures described above, wherein the first driver and the second driver are connected to the communication bus of the network structure, so that communication between the first driver extension module and the second driver extension module can take place via the first driver, via the second driver and via the communication bus of the network structure.
  • a network structure with a base module and with a communication bus, in particular an internal communication bus, in particular according to one of the network structures described above, wherein the first driver and the second driver are connected to the communication bus of the network structure, so that communication between the first driver extension module and the second driver extension module can take place via the first driver, via the second driver and via the communication bus of the network structure.
  • the first driver extension module can be configured to send a control signal to the second driver extension module, which causes the second driver extension module to control the second driver based on the control signal received from the first driver extension module.
  • the first driver extension module can comprise a logic or driver system logic unit, which is designed to control the second driver extension module.
  • the driver system logic unit can in particular be part of the control unit of the first driver extension module or be implemented in software and/or hardware in the control unit.
  • the first driver extension module and the second driver extension module can each comprise a sensor system, wherein the second driver extension module can be configured to transmit the sensor data acquired by the sensor system of the second driver extension module to the first driver extension module, and wherein the first driver extension module can be configured to send control signals to the second driver extension module, which cause the second driver extension module to control the second driver based on the sensor data acquired by the sensor system of the first driver extension module and by the sensor system of the second driver extension module.
  • the ability to control the second driver extension module by the first driver extension module creates a clear hierarchical ranking between the driver extension modules, which can simplify coordinated cooperation between different drivers.
  • the second driver extension module may also have a lower complexity than the first driver extension module. This is because the majority of the computing power is provided by the first driver extension module. This makes it possible to provide cost-optimized driver systems, particularly with a more powerful driver extension module or master module and a less powerful module or slave module.
  • an LMS Light Management System
  • the LMS comprises a first light source, in particular a first LED light source or LED light engine, a second light source, in particular a second LED light source or LED light engine, and a driver system according to one of the aspects described above, wherein the first driver of the driver system is designed to drive the first light source and the second driver of the driver system is designed to drive the second light source, and wherein the LMS comprises a network structure with a base module and a communication bus to which the first driver and the second driver are connected. Due to the ability to retrofit the drivers with the driver extension modules, such an LMS is characterized by high functionality and low costs.
  • Fig.1 shows a schematic of a network structure according to an embodiment.
  • the network structure 1 comprises a base module 2 with a logic unit 3, a communication bus 4 and expansion modules 5, which are in a functional connection with the logic unit 3.
  • One extension module 5 in the form of a Zigbee module 6 and one extension module 5 in the form of a sensor module 7 are connected to the logic unit 3 via the communication bus 4.
  • One extension module 5 in the form of a LED driver 8 is connected to the logic unit 3 via an interface 9.
  • Fig.1 also shows a light source 10 which is electrically connected to the LED driver 8 and can be controlled by the LED driver 8.
  • the Zigbee module 6 is designed to be connected to an LMS 20 (in Fig.1 symbolically represented).
  • Fig. 2 shows schematically a network structure according to another embodiment.
  • the network structure 1 of the Fig. 2 comprises a base module 2 with a logic unit 3 and expansion modules 5, which are functionally connected to the logic unit 3.
  • the functional connection between the logic unit 3 and the expansion modules 5 is shown schematically by double-sided arrows.
  • the expansion modules 5 can be both functional devices and communication modules.
  • the network structure 1 represents a standalone light, with one of the expansion modules 5 being designed as an LED driver for controlling the light of the light.
  • the extension modules 5 are similar to Fig.1 via a communication bus (in Fig.2 not shown) to the logic unit 3.
  • the logic unit 3 can in particular be configured such that the functional connection or communication via the communication bus between the logic unit 3 and the expansion modules 5 can take place via a system-internal or proprietary communication protocol.
  • all expansion modules 5 are connected to the logic unit 3 exclusively via a proprietary communication bus.
  • the logic unit 3 has an additional interface, in particular a plug-and-play interface, to which in particular an LED driver can be directly connected.
  • the plug-and-play interface can be a protected proprietary Interface so that the use of unauthorized or unqualified LED drivers or other expansion modules can be prevented.
  • the logic unit 3 can be configured such that an LED driver which does not have its own microcontroller-based intelligence can be connected directly to the plug & play interface. In such a case, any variables of the LED driver set at the factory can be saved directly in the logic unit so that the LED driver can be controlled directly by the logic unit 3.
  • the connection to the logic unit 3 is possible via the communication bus 4.
  • the logic unit 3 can be designed to search for expansion modules 5 or peripherals via the communication bus and to receive, process and send messages to peripherals via the communication bus in a standalone mode, in particular without integrating the network structure 1 in an LMS.
  • Fig.3 shows schematically a network structure according to another embodiment.
  • the network structure 1 of the Fig. 3 essentially corresponds to the network structure 1 of the Fig.2 and additionally has an extension module in the form of a communication module 30, via which the network structure 1 can be connected to an LMS 20 (symbolically shown).
  • the further extension modules 5, which are designed as functional devices, are connected to the communication module 30 via the logic unit 3.
  • the connection between the functional devices and the communication module 30 can be designed flexibly via the logic unit 3.
  • the functional devices can be assigned to the communication module 30 via the logic unit 3 individually, in groups, or not at all.
  • the logic unit 3 can in particular be configured to After detecting a communication module 30 connected to the communication bus 4, it must be configured accordingly and initialized for participation in a corresponding LMS 20.
  • the flow chart of the Fig.6 below shows the corresponding process flow.
  • Fig.4 shows schematically a network structure according to another embodiment.
  • the network structure 1 of the Fig.4 essentially corresponds to the network structure 1 of the Fig.3 and additionally has a further communication module 30'.
  • the network structure 1 of the Fig.4 In addition to a first communication module 30, a second communication module 30' has been provided, whereby the network structure 1 can be connected to an LMS 20 (symbolically shown) via the first communication module 30 and the second communication module 30'.
  • Fig.4 The embodiment shown corresponds in particular to the case when the number of functional devices reaches the limit of a communication module for flawless operation in an LMS, after which a further communication module of the same type is attached to the logic.
  • the logic unit 3 can in particular be configured to be connected to a multiplicity of communication modules 30, 30' via the communication bus 4, so that flawless operation of several functional devices in an LMS can be ensured.
  • the logic unit 3 can in particular be configured to assign functional devices to the individual communication modules 30, 30', so that the network structure 1 can be easily scaled by incorporating further functional devices. For example, some expansion modules 5 or functional devices can be assigned to the first communication module 30 and other expansion modules 5' or functional devices can be assigned to the second communication module 30'.
  • Fig.5 shows schematically a network structure according to another embodiment.
  • the network structure 1 of the Fig.5 essentially corresponds to the network structure 1 of the Fig.4 .
  • two different communication modules 30, 30' are used, which can be configured by the logic unit 3.
  • the logic unit 3 switches to multi-master mode operation, due to the simultaneous existence of two different LMS 20, 20'.
  • the Figures 1 , 3 , 4 and 5 The network structures described above can be designed to subsequently calibrate a luminaire for more precise colour control and optimised maintenance.
  • the measurements can be carried out on luminaires with the same luminaire type provided and the calibration data for the existing installation can be made available as an online update.
  • an extension module or peripheral is installed in the structure, or used if necessary, which has an "online update" capability (e.g. ZigBee peripheral).
  • This calibration data can in particular contain information about the warmest and coldest colour temperature, the nominal luminous flux and the power of the luminaire, and/or a Colour Rendering Index (CRI) as well as information about the manufacturer, etc.
  • CRI Colour Rendering Index
  • Fig.6 shows a flowchart of a method for configuring an expansion module according to an embodiment.
  • the Fig.6 shown methods 100 for configuring of an extension module or peripheral can be used in particular in one of the network structures according to Figures 1 , 3 , 4 , and 5 According to the Fig.6
  • a search is made in the method step 110 for a peripheral or an expansion module 5 connected to the base module 2, in particular via the communication bus 4.
  • the peripheral or expansion module 5 found is configured for the communication bus.
  • the expansion module 5 or peripheral is enabled to participate in the communication via the communication bus 4.
  • a query step 120 it is queried whether the expansion module or peripheral found is a communication module.
  • the communication module can be determined in method step 125 to represent a functional device already present in the network structure 1 in an LMS.
  • the peripheral or the communication module 30 is then notified of the type of functional device to be represented.
  • the factory settings of the functional device required for participation in the LMS are then sent to the communication module 30.
  • the peripheral or the communication module found is activated for participation in the LMS. The method 100 for configuring the extension module is then terminated with method step 145.
  • the extension module is recognized as a functional device in the method step 150.
  • the functional device is initialized and the method is terminated with method step 145.
  • Fig.7 shows a flow chart of a procedure for calibrating a luminaire.
  • the method 200 shown can be carried out in particular for calibrating a luminaire having an internal architecture according to one of the Figures 1 to 5 According to the network structure shown in Fig.7
  • a query 210 is carried out by the logic unit 3 as to whether a lamp is present or connected to the communication bus. If the query 210 results in a lamp being present, a lamp, in particular of the same lamp type, is measured for calibration in method step 215.
  • method step 220 data for calibration are recorded and in method step 225 the recorded data are transmitted to an online-capable peripheral or communication module of the network structure for calibration.
  • step 230 the logic unit 3 is informed of the data received and the control, in particular the color control of the lamp, is adjusted accordingly.
  • step 235 the lamp data is made available for the LMS and the method is terminated with method step 240. If the query in step 120 shows that no luminaire, in particular no luminaire with the required luminaire type, is available, a luminaire is requested for measurement in method step 245.
  • This calibration option allows customers to minimize the logistical effort involved in commissioning an LMS.
  • the lights are calibrated with a LED drivers are individually calibrated in the factory.
  • the luminaires described here can be purchased flexibly, especially from the desired manufacturers, and then calibrated later, in particular according to the calibration procedure described above.
  • the network structures based on the platform design described above offer a number of advantages.
  • Such network structures or systems can, for example, be easily scaled up by connecting additional extension modules, in particular functional devices and/or communication modules, to the communication bus.
  • functional devices can be used flexibly, as required, in different networks or LMSs or in a standalone device or luminaire.
  • different functional devices can be integrated into an LMS both individually and simultaneously.
  • the modularity of the network structure simplifies the change from one LMS, for example an outdated one, to another, in particular a future-proof one, without having to discard the existing functional devices.
  • Fig.8 shows a driver system according to an embodiment.
  • the driver system 40 shown comprises a first driver 8 with a first driver extension module 50 and a second driver 8' with a second driver extension module 50'.
  • the drivers 8 and 8' are designed as LED drivers with adjustable output voltage and with adjustable output current, respectively.
  • the first driver extension module 50 and the second driver extension module 50' are designed for retrofitting the first driver 8 or the second driver 8' and each have an interface 51, 51' for connecting the first driver extension module 50 and the second driver extension module 50' to the first driver 8 or the second driver 8'.
  • the first driver extension module 50 and the second driver extension module 50' are each connected to the first driver 8 or the second driver 8' on the output side.
  • Fig.8 further shows a first light engine 10 and a second light engine 10', which can be driven by the driver system or by the first driver 8 and the second driver 8'.
  • the driver extension modules 50, 50' each have a sensor 52, 52' for detecting the output voltage of the first driver 8 or the second driver 8'.
  • the first driver extension module 50 also has a logic 53 or control unit.
  • the logic 53 is designed to evaluate the data acquired by the sensors 52, 52' and to send control signals to a control input (not shown) of the first driver 8 or the second driver 8' for controlling the first driver 8 or the second driver 8'.
  • the logic 53 can be configured to determine a current value of a JT of an LED based on an output voltage of the driver detected by the sensors 52, 52' and to adjust the output current of the first driver 8 or the second driver 8' accordingly based on the current value of the JT.
  • Fig.9 shows a dependence between temperature and forward voltage of an LED.
  • the Fig.9 The dependency shown between the temperature or JT of the LED and the forward voltage based on the relative change in the forward voltage ⁇ V F /V shows that there is a clear correlation between the forward voltage and the JT. If the forward voltage is measured during operation of the LED, the JT of the LED can be calculated from this, for example using a look-up table stored in the memory unit in which this dependency between the forward voltage and the JT is stored.
  • Fig.10 shows a dependence between temperature and colour shift of an LED.
  • the Fig.10 The dependence shown between the temperature or JT of the LED and the color shift based on the relative change of the color coordinates ⁇ C x and ⁇ C y of the forward voltage shows that the color location of the LED at different temperatures. In the case of a light engine with warm and cold white LEDs to mix a defined color temperature, this leads to a deviation from the target value. If the temperature and the color shift of both LED types are known, the control signal is adjusted, in particular with a two- or multi-channel driver or with a driver system according to Fig.8 , so that unwanted color shifts can be suppressed or reduced.
  • driver extension modules results in cost savings. Drivers without driver extension modules can still be used, especially for applications with low requirements for driver functionality.
  • driver extension modules are not limited to a specific driver type, but can be used across different driver types.
  • the output voltage and/or output current of the drivers By measuring the output voltage and/or output current of the drivers, information about the output power can also be obtained, which can be used for energy reporting or energy consumption monitoring and control, for example. Furthermore, the information about the output voltage can be used to generate overtemperature protection for the light engine. In this case, the current is regulated down when the forward voltage measurement shows an LED temperature that is too high. The data analysis and control of the driver takes place in the additional module or driver extension module. The measurements can also be used for active and precise power derating or power throttling of the driver, whereby the maximum setpoint value of the current is limited with the measured actual value of the voltage so that the nominal power of the driver is not exceeded.

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Circuit Arrangement For Electric Light Sources In General (AREA)

Claims (15)

  1. Module d'extension de pilote pour la mise à niveau d'un pilote (8) avec au moins un paramètre de sortie réglable, comprenant :
    a. une interface (51) pour connecter le module d'extension de pilote (50) au pilote (8), et
    b. une unité de commande (53),
    dans lequel l'unité de commande (53) est configurée pour envoyer un signal de commande à une entrée de commande du pilote (8) afin d'ajuster le au moins un paramètre de sortie du pilote (8),
    caractérisé en ce que le module d'extension de pilote est conçu de telle sorte que le courant de sortie du pilote (8) peut circuler à travers le module d'extension de pilote.
  2. Module d'extension de pilote selon la revendication 1, dans lequel le module d'extension de pilote (50) comprend en outre une unité de détection (52) pour détecter une valeur actuelle dudit au moins un paramètre de sortie, et dans lequel l'unité de commande (52) est configurée pour ajuster ledit au moins un paramètre de sortie du pilote (8) sur la base de la valeur actuelle détectée.
  3. Module d'extension de pilote selon la revendication 2, dans lequel l'unité de commande (53) est configurée pour déterminer une valeur actuelle d'une JT d'une DEL à partir d'une tension de sortie du pilote (8) détectée par les capteurs (53) et pour ajuster le au moins un paramètre de sortie du pilote (8) sur la base de la valeur actuelle de la JT.
  4. Module d'extension de pilote selon l'une des revendications précédentes, dans lequel le module d'extension de pilote (50) est configuré pour communiquer avec un autre module d'extension de pilote (50') pour échanger des données et/ou des signaux.
  5. Module d'extension de pilote selon la revendication 4, dans lequel le module d'extension de pilote (50) comprend une interface de communication pour une communication sans fil et/ou filaire, de sorte que la communication avec l'autre module d'extension de pilote (50') peut être effectuée via l'interface de communication.
  6. Module d'extension de pilote selon la revendication 4 ou 5, le module d'extension de pilote (50) étant configuré de telle sorte que la communication avec un autre module d'extension de pilote (50') peut être effectuée via une interface réseau du pilote (8) pour connecter le pilote (8) à un module de base d'une structure de réseau (1).
  7. Pilote ayant au moins un paramètre de sortie réglable, dans lequel le circuit d'attaque (8) comprend une interface pour connecter un module d'extension de circuit d'attaque (50) et une entrée de commande pour recevoir un signal de commande du module d'extension de circuit d'attaque (50), et dans lequel le circuit d'attaque (8) est configuré pour régler ledit au moins un paramètre de sortie sur la base du signal de commande reçu du module d'extension de circuit d'attaque (50), caractérisé en ce que l'interface est configurée de telle sorte que le courant de sortie du circuit d'attaque (8) peut circuler à travers le module d'extension de circuit d'attaque.
  8. Pilote selon la revendication 7, dans lequel le pilote comprend une interface réseau pour connecter le pilote à un module de base d'une structure de réseau (1) via un bus de communication (4).
  9. Système de pilotage, comprenant:
    a. un premier pilote (8) selon la revendication 7 ou 8, et
    b. un deuxième pilote (8') selon la revendication 7 ou 8,
    le premier pilote (8) étant conçu pour entraîner un premier consommateur électrique (10) et le deuxième pilote (8') étant conçu pour entraîner un deuxième consommateur électrique (10').
  10. Système de pilotage selon la revendication 9, dans lequel le système de commande comprend un premier module d'extension de commande (50) et/ou un deuxième module d'extension de commande (50'), et dans lequel le premier module d'extension de commande (50) et/ou le deuxième module d'extension (50') comprend un ensemble de capteurs (52, 52') pour détecter une valeur actuelle d'au moins un paramètre de sortie du premier ou du deuxième module d'extension (50'), respectivement , et dans lequel le premier module d'extension de pilote (50) ou le deuxième module d'extension de pilote (50') est configuré pour ajuster le au moins un paramètre de sortie du premier ou du deuxième pilote (8, 8') sur la base de la valeur actuelle détectée du au moins un paramètre.
  11. Système de pilotage selon la revendication 9 ou 10, dans lequel le premier module d'extension de commande (50) et le deuxième module d'extension de commande (50') sont configurés pour communiquer entre eux pour échanger des données et/ou des signaux.
  12. Système de pilotage selon la revendication 11, comprenant en outre une structure de réseau (1) avec un module de base (2) et avec un bus de communication (4), le premier pilote (8) et le deuxième pilote (8') étant connectés au bus de communication (4) de la structure de réseau (1), de sorte que la communication entre le premier module d'extension de pilote (50) et le deuxième module d'extension de pilote (50") peut se faire via le premier pilote (8), via le bus de communication (4) de la structure de réseau (1) et via le deuxième pilote (8').
  13. Système de pilotage selon la revendication 11 ou 12, dans lequel le premier module d'extension d'attaque (50) est configuré pour envoyer un signal de commande au deuxième module d'extension d'attaque (50'), qui amène le deuxième module d'extension d'attaque (50') à attaquer le deuxième attaque (8') sur la base du signal de commande reçu du premier module d'extension d'attaque (50).
  14. Système de pilotage selon la revendication 12, dans lequel le premier module d'extension de commande (50) et le deuxième module d'extension de commande (50') comprennent chacun un ensemble de capteurs (52, 52'), et dans lequel le deuxième module d'extension de commande (50') est configuré pour transmettre au premier module d'extension de commande (50) les données de capteur détectées par l'ensemble de capteurs (52') du deuxième module d'extension de commande (50'), dans lequel le premier module d'extension de pilote (50) est configuré pour envoyer des signaux de commande au second module d'extension de pilote (50') qui amènent le second module d'extension de pilote (50') à piloter le second pilote (8') sur la base des données de capteur détectées par les capteurs (52) du premier module d'extension de pilote (50) et par les capteurs (52') du second module d'extension de pilote (50').
  15. Système de gestion de lumière (LMS) avec une première source de lumière (10), avec une deuxième source de lumière (10') et avec un système de pilotage (40) selon l'une des revendications 9 à 14, le premier pilote (8) du système de pilotage (40) étant conçu pour piloter la première source de lumière (10) et le deuxième pilote (8') pour piloter la deuxième source de lumière (10'), et dans lequel le LMS (20, 20') comprend une structure de réseau (1) avec un module de base (2) et un bus de communication (4) auquel le premier pilote (8) et le deuxième pilote (8') sont raccordés.
EP21182319.0A 2020-09-07 2021-06-29 Module d'extension de mécanisme extracteur permettant de mettre à niveau un mécanisme extracteur Active EP3965533B1 (fr)

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CN114158154B (zh) 2024-04-26
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CN114158154A (zh) 2022-03-08
US20220078894A1 (en) 2022-03-10
US20240057230A1 (en) 2024-02-15
US11818816B2 (en) 2023-11-14

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