EP2783551B1 - Détection de connexion d'unités del - Google Patents

Détection de connexion d'unités del Download PDF

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Publication number
EP2783551B1
EP2783551B1 EP12816638.6A EP12816638A EP2783551B1 EP 2783551 B1 EP2783551 B1 EP 2783551B1 EP 12816638 A EP12816638 A EP 12816638A EP 2783551 B1 EP2783551 B1 EP 2783551B1
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EP
European Patent Office
Prior art keywords
control unit
module
central control
operating device
internal bus
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EP12816638.6A
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German (de)
English (en)
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EP2783551A1 (fr
Inventor
Ueli Keller
Thomas BUCHLI
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Tridonic GmbH and Co KG
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Tridonic GmbH and Co KG
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Publication of EP2783551A1 publication Critical patent/EP2783551A1/fr
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    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B47/00—Circuit arrangements for operating light sources in general, i.e. where the type of light source is not relevant
    • H05B47/10—Controlling the light source
    • H05B47/175—Controlling the light source by remote control
    • H05B47/18—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
    • H05B47/185—Controlling the light source by remote control via power line carrier transmission

Definitions

  • the invention relates to a connection detection for lamps according to the preamble of patent claim 1, a method for connection detection according to the preamble of claim 2 and a lighting system with at least one lamp according to the preamble of claim 10.
  • Such methods are used to control operating devices for lighting and are used in lighting systems to turn on and off bulbs by means of a central control unit and adjust the brightness.
  • the bulbs are driven by operating devices.
  • the operating devices are grouped together and can be controlled by one or several central control units.
  • the term bulbs refers to both gas discharge lamps and halogen lamps or light emitting diodes (LED).
  • LED light emitting diodes
  • Such a light source can be arranged individually or together with other light sources in a luminaire, which may also contain the operating device.
  • the present invention can be applied to all types of lighting apparatus.
  • the use of very different lamps is possible, it can be used in particular inorganic or organic light-emitting diodes.
  • the operating devices 1, 1 ', 1'',1' x , 1 ' y , and the central control unit 12 are part of an LED lighting system BA.
  • the bus line 6 is designed as a two-wire data line, which transmits a digital signal with a low DC voltage as the control command.
  • a data transmission according to a digital communication is transmitted via the bus line 6.
  • the data transmission of the control commands via the bus line 6 does not have to be wired, but it can be transmitted for example wirelessly via a radio link or via a power line communication (PLC) via the supply network 5.
  • PLC power line communication
  • Standardized transmission methods for wired data transmission also exist in each case for the transmission variants mentioned, wherein according to the method according to the invention a modified data transmission can take place via the same bus line 6.
  • the central control unit 12 can optionally control one or several operating devices 1 of lighting devices via a bus line 6, wherein they can receive and also send digital control commands.
  • the central control unit 12 can control a plurality of independent operating devices 1 and at the same time supply them with a supply voltage (the central control unit 12 assumes the function of a power supply for the operating devices 1).
  • the independent operating devices 1 can be distinguished from each other by different addresses.
  • the supply by the central control unit 12 can be effected for example by a stabilized DC voltage (for example 48V).
  • the central control unit 12 also includes a potential separation such as.
  • the central control unit 12 can be connected to a mains voltage (for example 230 V AC).
  • the central control unit 12 can also be directly configured and controlled by a user via directly connected buttons or switches, through an interface to a programming device, through a touchscreen or other adjustment options. Due to the direct control option, the user can also specify control commands, such as brightness values.
  • the luminous means which are supplied and controlled by at least one operating device 1, 1 ', 1 ", 1' x , 1 ' y depending on commands of a central control unit 12, can have an address Assignment of the operating devices 1, 1 ', 1'',1' x , 1 ' y to be given address A (also called short address A) can be due to the temporally determined load behavior of the operating devices (1, 1', 1 "..) , Already at delivery of the operating devices 1, 1 ', 1 ", 1' y a preset address L x, 1 1 'y can in the operation device 1, 1'',1' x 1 ', respectively to be stored.
  • this preset address L (also called long address L) may have been allocated for a plurality of operating devices 1, 1 ', 1 ", 1' x , 1 ' y or may also be unsuitable for communication on the bus line 6 trouble-free and user-friendly control of the LED lighting system BA, it is necessary that each operating device 1, 1 ', 1'',1' x , 1 ' y or each light source has a unique, only once assigned address.
  • first module 12 which is preferably supplied with the input voltage 9, in particular AC line voltage.
  • This input voltage 9 is supplied to a first submodule A, which typically carries out a rectification of the AC voltage supplied as input voltage 9, in which case the rectified AC voltage is fed to an actively clocked PFC (Power Factor Correction) circuit of the submodule A, if present.
  • PFC Power Factor Correction
  • the output voltage of the first submodule A is a DC voltage, hereinafter referred to as 'bus voltage Vbus', which is supplied to a second submodule B of the first module 12.
  • the second sub-module B has essentially the function of a galvanic isolation (insulation) and can, for example, have as a galvanic separating element a transformer.
  • the second sub-module B serves to provide a stabilized DC voltage, the DC supply voltage 5.
  • the submodule G denotes a control unit of the module 12, which may be implemented in particular as an integrated circuit, such as ASIC or microprocessor or hybrid thereof. As schematically in FIG. 1 shown, controls this control unit G active switching elements of the second sub-module B, for example in the form of a half-bridge (for example, a half-bridge driver and two switches in series, see below Fig. 2 ), which generates an AC voltage supplied to the transformer 19 of the second sub-module B.
  • the control unit G may have programming inputs, whereby a Programming or calibration programming of the control unit G is possible. For this, the terminals of the control unit G can be led out to the board of the second sub-module B, to allow programming of this sub-module B and thus the control unit G even after delivery of the sub-module B.
  • the second submodule B of the first module 12 denotes a galvanic decoupling via which the control unit G of the module 12 communicates with the submodule D as an interface circuit.
  • This interface circuit D can have a data interface 11, which can be designed in particular for connecting an external analog or digital bus 10, for example in accordance with the DALI industry standard. Alternatively or additionally, however, it is also possible to transmit unidirectional or bidirectional signals at this data interface 11 or interface circuit D in accordance with other standards. Furthermore, alternatively or additionally signals can be received at this data interface 11 or interface circuit D which are generated starting from a manually actuated pushbutton or switch supplied by the data interface 11 or interface circuit D itself or externally (for example also via the input voltage 9).
  • the essential functions of the first module 12 are thus the provision (at the output of the second sub-module B) of a DC voltage (by rectifying the output voltage of the transformer 19 of the second sub-module B with the rectifier 22) starting from a supplied input voltage 9 and the external Communication via the data interface 11 or interface circuit D.
  • a second module 1 is provided as a circuit module.
  • This second module 1 has essentially the function of the so-called ⁇ lamp management ⁇ , which means that this second module 1 supplies on the one hand the connected lamps (here the LED segment 8 with one or more LEDs) with constant current and on the other hand feedback variables (schematically with 13 designated) from the area of the LED track 8 receives.
  • the DC supply voltage 5 at the output of the second submodule B of the first module 12 is thus supplied to a further submodule C as a controllable constant current source.
  • This further submodule C thus supplies the LED path with constant current via an output 7.
  • the second module 1 can in this case contain a plurality of converter stages (a plurality of further submodules C as constant current sources), wherein these converter stages (further submodules C as constant current sources) can each control separate (independent) LED paths 8.
  • the further submodule C can be called both a clocked constant current source (that is to say, for example, a buck converter also called a buck converter or an isolated flyback converter, also called a flyback converter). or be designed as a linear regulator (realized with transistors or integrated circuits).
  • the second module 1 has its own control unit E, which in turn acts as a microcontroller, ASIC or hybrid thereof may be formed.
  • This control unit E of the second module 1 thus contains feedback variables 13 from the area of the LED track 8.
  • the control unit E activates the one or more further submodules C in the second module 1.
  • the current is controlled by the LED track 8, it can be detected and monitored for correct operation of the LEDs and error detection but also other feedback variables such as the LED voltage or temperature.
  • the further submodule C is designed as a clocked constant current source, this submodule C having at least one actively clocked switch SW1 as part of the clocked constant current source.
  • the actively clocked switch of the clocked constant current source is controlled directly or indirectly (for example via a driver module) by the control unit E.
  • the use of a clocked constant current source in contrast to a linear regulator allows flexible operation of different LED modules F.
  • the clocked constant current source can adjust both the voltage and the current through the LED module F and adjust.
  • the clocked constant current source is an actively clocked DC-DC converter, which receives the DC supply voltage 5 and the LED module F accordingly with the desired LED current and / or LED voltage feeds, preferably by a control by the control unit E. due to the feedback of this control unit E supplied.
  • the clocked constant current source further offers the advantage that the operating mode of the submodule C can be adapted to the respective current operating mode.
  • the type of timing of the clocked constant current source can be adjusted, for example, the switch SW1 can be controlled with a frequency-modulated, pulse width modulated or a combination of Frequenzmodulatorm and pulse width modulated signal.
  • the current operating mode may differ, for example, for operation at high brightness of the LED track 8 and at low brightness.
  • the switches SW1, SW1 ', SW1 "of the individual clocked constant current sources are independently controllable by the control unit E.
  • the control unit E it is possible for each LED paths 8, 8', -8" to supply the individually required LED currents and LED
  • a separate control unit E, E ', E "to be present for each of the clocked constant current sources with the switches SW1, SW1', SW1" is.
  • control unit E may detect various feedback quantities (such as LED voltage, LED current, or temperature) and, preferably upon detection of a fault, switch the pulsed constant current source to an error operating mode. This can be done, for example, by a change in a burst mode or a low on-time operation of the switch SW1.
  • control unit E via a bus line 6 (communication interface), which is designed in addition to the DC supply voltage 5, with the control unit G of the first module 12 are unidirectional or bidirectional in data communication.
  • the bus line 6 can also be used to transmit the low-voltage supply (it then takes both a data communication and an energy transfer).
  • the bus line 6 can also be integrated in the DC supply voltage 5, for example, the polarity of the DC supply voltage 5 can be switched or a carrier signal to the DC supply voltage 5 are modulated.
  • the control unit E can also transmit an error message and preferably also information about the type of error to the control unit G of the first module 12 via the bus line 6, for example in the event of an error detection by means of the bidirectional data communication.
  • the second module here as a lamp management module, preferably housed in a common housing 42 with the actual LED module F.
  • the LED module F may have its own memory 4, for example in the form of an eprom.
  • the reference numeral 3 is schematic indicates that the control unit E of the second module 1 can access this memory 4 of the LED module F.
  • the PFC circuit is optional only.
  • submodules A, B and C can also be integrated circuit-wise, so that, as long as these functions are basically present, they do not have to be reflected in a corresponding structure of the circuit topology.
  • first module 12 and the second module 1 can be produced by different manufacturers.
  • a plurality of second modules 1 in the sense of a master / slave operation can be connected to a first module 12.
  • clocked constant current sources as submodule C, a two-stage system with a modular construction is thus created, wherein a plurality of second modules 1 can be connected to a first module 12 and also an operation of different LED modules F and / or a different operation of the same LEDs.
  • Module F is made possible depending on the data bus 6 via the data communication.
  • the modular design also allows the respective sub-modules and in particular the second module 1 to be interchangeable while retaining the remaining components.
  • the communication between the first module 12 and the second module 1 via the bus line 6 is accordingly preferably standardized.
  • incoming commands or queries are supplied as shown only the first module 12.
  • This can thus be referred to as external data communication, in contrast to the internal data communication via the bus line 6 between the first module 12 and the second module 1.
  • the communication via the internal bus line 6 is thus also standardized, since it is independent of different bus protocols or control signals which can be applied to the first module 12.
  • the communication via the internal bus 6 combined with the modular design of the system provides the advantage that the operating data for the optimal feeding of the second module 1 can be transmitted from the second module 1.
  • the second module 1 (preferably starting from the control unit E) can transmit the required operating data via the internal bus 6 to the first module 12. This offers the advantage that a first module 12 can be combined with many different second modules 1, wherein the required operating data can be read from the second module 1.
  • Examples of the feedback quantities 13 from the LED track 8 are the directly or indirectly measured LED current and / or the voltage across the LED track 8.
  • operating data for the LEDs of the LED track 8 can be stored, for example, at the manufacturer.
  • This data in this memory 4 may thus be, for example, characteristic values, the permissible maximum values for current and / or voltage, temperature dependence of electrical or optical (spectra) parameters of the LEDs, etc.
  • These operating data for the LEDs (for example, data from the memory 4) can be transmitted via the internal bus 6 to the first module 12.
  • a first module 12 in the sense of a master can supply a plurality of second modules 1. This means that a single first module 12 not only supplies several second modules 1 with a DC supply voltage 5, but also communicates with these bidirectionally in the sense of an internal bus line 6.
  • control unit G in the first module 12 can control the second sub-module B, which is preferably clocked.
  • the same control unit G or preferably also a further control unit (not shown) can also regulate the operation of the PFC of the first submodule A, ie for example activate the switch of the PFC of the submodule A and for signals from the area of the PFC, such as the input voltage Current through an inductance of the PFC, the current through the switch of the PFC, the output voltage of the PFC, as indicated schematically by arrows in FIG Fig. 1 , is shown.
  • the PFC may be, for example, a boost converter (boost converter), flyback converter (buck-boost converter, an isolated flyback converter) or SEPIC converter.
  • boost converter boost converter
  • flyback converter buck-boost converter
  • isolated flyback converter SEPIC converter
  • the output voltage (bus voltage) Vbus of the PFC of the first sub-module A is in a range of several hundred volts DC. Due to the Transformer 19 in the second sub-module B can thus be lowered, this DC voltage, for example, to a voltage in the range of 20 to 60 volts, preferably 40 to 50 volts DC.
  • the DC supply voltage 5 is at a lower level than the voltages internally prevailing in the first module 12, which, for example, limits the isolation of the DC supply voltage 5 to that of the second module 1 and to the second module 1 even lower claims.
  • a second output voltage for example a DC low-voltage supply for the second module 1, can be generated in the first module 12 and provided to the second module 1.
  • An advantage of the modular design with internal bus line 6 as described above is that the second module 1 (or in the presence of a plurality of second modules 1 at least some of these) can be switched off, while the first module 12 is still responsive to the bus line 6 or possibly . can also send 6 messages via the bus line.
  • the first module 12 may perform emergency light detection (switching from AC to DC supply or rectified AC supply).
  • the control unit G for example as a microcontroller, of the first module 12 in this idle state can be powered only via the external bus 10 when the idle state of the external bus 10 (such as DALI) is not equal to 0 volts.
  • the control circuit G in particular as start-up energy for the control circuit G or a low-voltage supply supply circuit. Consequently the actual power supply of the first module 12 can be switched off in this idle state. It is also possible that only a wake-up signal is sent via the external bus 10, which provides a starting energy as a power for short-term supply for the control circuit G or a low-voltage supply circuit. In this case, the first module 12 can be completely put into a resting state without energy consumption.
  • the wake-up signal may also be a data transmission or a momentary connection of a voltage.
  • first module 12 central module
  • selectively selected ones of these several second modules 1 can be switched off. This also leads to a saving of electrical losses.
  • the emergency case it can be provided that only one or a subset of the plurality of second modules 1 supplied by the first module 12 is operated to achieve the lower basic brightness for the emergency lighting operation.
  • a passive or preferably active, in particular controlled by the control unit E sensing means 40 is connected, for example.
  • a fan or a cooling unit is connected, for example.
  • the second module 1 (lamp management module) may also have an additional interface (not shown).
  • This additional interface can be designed, for example, wired or wireless.
  • data from the second module 1 are read, in particular for maintenance purposes, such as the replacement of a second module 1. It can also be an update of the data or control software on this additional. Interface, in particular in a wireless communication. It may also be possible to read in particular data from this second module 1 via this additional interface even in the absence of DC supply voltage 5 (power transmission) for the second module 1.
  • the additional interface is arranged on the second module 1 spatially separated from the bus line 6.
  • bus line 6 internal bus between the first module 1 and one or more second modules 1, 1 ⁇ .all be referred to as lamp management modules or operating devices.
  • the central control unit (also called first module) 12 also be referred to as a central unit or master.
  • a preferably standardized communication is provided for the bus line 6, which is provided in addition to the DC supply voltage 5.
  • standardized is meant that the protocol of the bus 6 is independent of the protocol of the external communication via the data interface 11 of the first module 12.
  • the communication via the bus line 6 is bi-directional and, for example, according to the one SPI protocol (Serial Peripheral Interface Bus) done.
  • SPI protocol Serial Peripheral Interface Bus
  • the data communication via the bus line 6 is preferably electrically isolated, for example using optocouplers or transformers.
  • the transformer can be clocked high-frequency and thus transmit data via packets of high-frequency clocks.
  • the user and also the other connected modules can be protected against possible overvoltages, for example due to a defect in one of the modules.
  • the potential-separated design of the bus line 6 also increases the robustness of the illumination system, for example, the separation and replacement of a second module 1 is facilitated.
  • a basic function of the bus line 6 may be the passing of dimming commands from the first module 12 to the second modules 2, which have been received via the external bus 10, for example.
  • new control information or commands for the second modules 1 can also be derived from the dimming commands received via the external bus 10.
  • One application for bidirectional data communication via the internal bus (bus line 6) is that data stored in one of the second modules 1, 1 'is transmitted via the internal bus (bus line 6) to the control unit G of the first module 12 can be.
  • This is advantageous in that the data storage in the second modules 1, 1 'is closer to the LED track 8, so that there takes place a higher heating, which leads to a possibly irreproducible loss of data storage in the area of the lamp management modules ( second modules 2, 2 ') can follow. Even by the transmission via the bus line 6 to the first module 1, these data can then be the first module 12 in the sense of a backup again stored.
  • Examples of this data transmitted via the bus line 6 are operating data for the LED route 8, such as temperatures, operating times, electrical parameters, etc.
  • the data After the data have been transferred from one of the lamp management modules (second modules 1, 1 ',..., In') to the first module 12, they can, of course, be further processed and also read out via the external bus 10 connected to the data interface 11.
  • the external bus 10 via the external bus 10, a further analysis of the operating data, for example a failure analysis, an aging compensation depending on the transmitted operating time duration of the LED route 8, etc., take place.
  • the standardized approach for the internal bus (bus line 6) also has the advantage that lamp management modules (second modules 1, 1 ') can be exchanged in a simple manner.
  • the data stored in a lamp management module (second modules 1, 1 ') to be exchanged can be stored in the first module 12 already described above after transmission via the bus line 6. Then, when the lamp management module is replaced, the operating data stored in the first module 12 can be transferred back to the newly deployed lamp management module so that it is then configured identically to the replaced lamp management module.
  • Further examples of such operating data are color coordinates, color coordinates or other parameters influencing the spectrum of the LED route 8.
  • the first module 12 receives dimming commands via the external bus 10 and the data interface 11 or the interface circuit D, which indicate a load change of the LED route 8, such information or a signal representing the operating state change can be transmitted via the bus or the bus line 6 are transmitted to the second modules 1, 1 ', so that the control unit E provided in the second modules 1, 1' can also adapt control parameters, for example for the constant current source (further submodule C), in accordance with the expected load change.
  • the control unit E provided in the second modules 1, 1' can also adapt control parameters, for example for the constant current source (further submodule C), in accordance with the expected load change.
  • This in FIG. 2 shown master / slave system also has advantages in terms of reducing electrical losses, since a kind of standby mode can be provided in which one, several, or even all of the second module 1, 1 'connected to a first module 12 are turned off, while at least the control unit G of the first module 12 can continue to monitor the externally connected bus 10 via the data interface 11 or the interface circuit D.
  • FIG. 2 illustrated master / slave system preferably only via the connected to the data interface 11 and the interface circuit D of the first module 12 bus 10 responsive.
  • there may be an internal hierarchical distribution possibly including addressing via the internal bus (bus line 6) to the plurality of connectable second modules 1, 1 '.
  • an addressed communication can take place towards the second modules 1, 1 '.
  • a broadcast mode can also be provided, ie an undressed data transmission from the first module 12 to all connected second modules 1, 1 '. In this broadcast mode, a command transmitted by the first module 1 via the internal bus (bus line 6) is received and evaluated by all second modules 1, 1 '.
  • the emergency light case it can be provided that as soon as an emergency light recognition has taken place by the first module 12, a corresponding control command is transmitted via the bus line 6 and the second modules 1, 1 'adjust according to their operation. For example, in order to achieve a lower basic brightness and thus a lower energy consumption for emergency lighting operation, only one or a subset of the plurality of second modules 1 supplied by the first module 12 can be operated.
  • the bus line 6 can also be used to transmit the low-voltage supply (then there is both a data communication and a power transmission, for example via the secondary-side DC low-voltage power supply VCCs).
  • a so-called active low data transmission can be used, wherein at rest, a level of a few volts, for example 12V, is applied.
  • a coupling for example via transformers, energy could nevertheless be transmitted even if the bus line 6 were electrically isolated.
  • Fig. 3 is a possible embodiment of the bus 6 shown.
  • a channel CLK for the output of a clock signal and a further channel for transmitting, the transmission channel SD, for transmitting signals.
  • a return channel BCK is present, via which the connected operating devices 1 can emit a return signal.
  • this bus 6 further operating devices such as the operating device 1a can be connected during operation.
  • a clock signal (CLK) is regularly emitted by the central control unit 12 on an internal bus (6), via which the operating devices (1, 1 ', 1''..) are controlled by means of commands from a central control unit (12).
  • the operating devices send back the clock signal on a back channel (BCK) of the internal bus, provided there is no error.
  • the signals transmitted on the internal bus are formed, for example, from pulse packets which are composed of several high-frequency pulses.
  • an addressing by means of collision detection can take place, with the individual operating devices switching on or off or also reporting back depending on an internally generated random number on the internal bus 6.
  • a loading of the central control unit (12) by connecting the operating devices (1, 1 ', 1''.. ..) take place, with a delayed connection or disconnection of the operating devices (1, 1', 1 '' ..) takes place, each operating device (1, 1 ', 1''.. .) the.
  • Delay time for switching on or off based on a random number sets and the connection or disconnection by the central control unit (12) is detected and assigning addresses (A) for the operating devices (1, 1 ', 1 "..) by the Central control unit (12), wherein the allocation of the addresses (A) of the detected order in the connection or disconnection of the operating devices (1, 1 ', 1 "..) is dependent.
  • a simultaneous feedback of two operating devices can take place at the first feedback.
  • the central control unit 12 to query the possible addresses A and check transmits an acknowledgment for a particular address more than one operating unit 1, 1 ', 1'',1' x 1 'y.
  • This method can be used to detect address conflicts. Now, the checking operation for the remaining addresses A is performed according to the same method. Further, the central control unit 12 can query the possible addresses so long as A and check to possible all addresses for not more than one operating unit 1, 1 ', 1'',1' x 1 'y sends a response. In a further step, the central control unit 12 can evaluate the responses and check for transmission errors.
  • the central control unit 12 may have an interface 10 and communicate via this interface, for example, according to the DALI standard.
  • the central control unit 12 can query the possible addresses A and check that sends a response for a particular address more than one operating unit 1, 1 ', 1 ", 1' x 1 'y.

Landscapes

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

Claims (9)

  1. Procédé de détection de connexion pour un système d'éclairage à LED, des LED étant pilotées en tant que moyens lumineux par au moins un appareil (1, 1', 1", ...) en fonction d'instructions d'une unité de commande (12) centrale, caractérisé par les étapes suivantes :
    - alimentation en tension des appareils (1, 1', 1'', ...) par l'unité de commande (12) centrale,
    - émission d'un signal d'horloge (CLK) sur un bus interne par le biais duquel les appareils (1, 1', 1", ...) sont pilotés au moyen d'instruction d'une unité de commande (12) centrale, les appareils renvoyant le signal d'horloge sur un canal de retour du bus interne,
    - branchement d'un autre appareil (1a) sur l'unité de commande (12) centrale,
    - émission d'un signal d'erreur sur le canal de retour (BCK) du bus interne par l'appareil (1a) branché, ce signal d'erreur étant envoyé de façon non synchrone avec le signal d'horloge (CLK),
    - détection du signal d'erreur par l'unité de commande (12) centrale,
    - affectation d'adresses (A) pour l'appareil (1a) branché par l'unité de commande (12) centrale.
  2. Procédé de détection de connexion pour un système d'éclairage à LED selon la revendication 1,
    caractérisé en ce que
    l'unité de commande (12) centrale amène les appareils (1, 1', 1", ...) dans un mode d'adressage et lance ensuite l'attribution d'adresses au moins pour l'appareil (1a) branché.
  3. Procédé pour un système d'éclairage à LED selon la revendication 1 ou 2,
    caractérisé en ce que
    l'unité de commande (12) centrale interroge et vérifie les adresses (A) possibles jusqu'à ce qu'une adresse (A) ait été assignée pour tous les appareils (1, 1', 1'', ...) possibles.
  4. Procédé pour un système d'éclairage à LED selon l'une des revendications 1 à 3,
    caractérisé en ce que
    le statut de maître est affecté à l'appareil auquel une adresse (A) a été affectée en premier.
  5. Procédé pour un système d'éclairage à LED selon la revendication 4,
    caractérisé en ce que
    le statut d'esclave est affecté aux autres appareils auxquels une adresse (A) n'a pas été affectée en premier.
  6. Procédé pour un système d'éclairage à LED selon les revendications 1 à 5,
    caractérisé en ce que
    les appareils (1, 1', 1'', ...) surveillent si une collision est survenue lors du retour d'information sur l'adressage.
  7. Système d'éclairage à LED (BA) avec au moins un moyen lumineux, les moyens lumineux étant pilotés par au moins un appareil (1, 1', 1'', ...) en fonction d'instructions d'une unité de commande (12) centrale, les appareils (1, 1', 1'', ...) étant alimentés en tension par l'unité de commande (12) centrale, et les appareils (1, 1', 1'', ...) présentant une adresse (A),
    présentant un bus interne par le biais duquel les appareils (1, 1', 1", ...) sont pilotés au moyen d'instructions de l'unité de commande (12) centrale, l'unité de commande (12) centrale émettant un signal d'horloge (CLK) et les appareils renvoyant le signal d'horloge sur un canal de retour du bus interne,
    caractérisé en ce
    qu'il est effectué une nouvelle affection de l'adresse (A) à donner à l'appareil (1, 1', 1", ...) dès qu'un signal d'erreur est émis sur le canal de retour du bus interne par l'appareil (1a) branché, l'émission d'un signal d'erreur sur le canal de retour du bus interne étant envoyée en tant que signal non synchrone avec le signal d'horloge (CLK).
  8. Système d'éclairage à LED (BA) avec au moins un moyen lumineux selon la revendication 7, caractérisé en ce que,
    après la réception d'un signal d'erreur sur le canal de retour du bus interne, l'unité de commande (12) centrale effectue un redémarrage.
  9. Système d'éclairage à LED (BA) avec au moins un moyen lumineux selon l'une des revendications 7 à 8, caractérisé en ce que
    les signaux envoyés sur le bus interne sont formés de paquets d'impulsions à partir de plusieurs impulsions haute fréquence.
EP12816638.6A 2011-11-25 2012-11-26 Détection de connexion d'unités del Active EP2783551B1 (fr)

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AT6412011 2011-11-25
PCT/AT2012/000297 WO2013075156A1 (fr) 2011-11-25 2012-11-26 Détection de connexion d'unités del

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EP2783551B1 true EP2783551B1 (fr) 2016-08-17

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DE102018128192A1 (de) * 2018-11-12 2020-05-14 Tridonic Gmbh & Co Kg Verbesserungen einer Kommunikation zwischen zwei Steuerschaltungen zur Steuerung von Wandlerstufen eines Leuchtmittel-Betriebsgerätes mit einer Störspannung auf der Masseleitung
CN110989332A (zh) * 2019-12-13 2020-04-10 江门市蓬江区天利新科技有限公司 基于高精度时钟信号实现led灯串显示同步的方法和系统

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DE102008061089B4 (de) * 2008-12-08 2020-09-03 Tridonic Ag Adressvergabe für busfähige Leuchtmittel-Betriebsgeräte, insbesondere für LEDs

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EP2783551A1 (fr) 2014-10-01

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