EP2288238B1 - Commande des dispositifs d'éclairage par des signaux modulés sur bus à courant continu - Google Patents

Commande des dispositifs d'éclairage par des signaux modulés sur bus à courant continu Download PDF

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Publication number
EP2288238B1
EP2288238B1 EP10182692.3A EP10182692A EP2288238B1 EP 2288238 B1 EP2288238 B1 EP 2288238B1 EP 10182692 A EP10182692 A EP 10182692A EP 2288238 B1 EP2288238 B1 EP 2288238B1
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EP
European Patent Office
Prior art keywords
power line
output circuit
control
rectifier
control system
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EP10182692.3A
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German (de)
English (en)
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EP2288238A3 (fr
EP2288238A2 (fr
Inventor
Dietmar Klien
Siegfried Luger
Falk Richter
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Tridonic GmbH and Co KG
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Tridonic GmbH and Co KG
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Publication of EP2288238A2 publication Critical patent/EP2288238A2/fr
Publication of EP2288238A3 publication Critical patent/EP2288238A3/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
    • H05B41/00—Circuit arrangements or apparatus for igniting or operating discharge lamps
    • H05B41/14—Circuit arrangements
    • H05B41/24—Circuit arrangements in which the lamp is fed by high frequency ac, or with separate oscillator frequency
    • H05B41/245—Circuit arrangements in which the lamp is fed by high frequency ac, or with separate oscillator frequency for a plurality of lamps
    • 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 present invention relates to the control of a plurality of illuminant operating devices from a central unit.
  • the light source is a gas discharge lamp 5, which is controlled by an electric ballast (ECG) 1 as a control gear.
  • ECG electric ballast
  • this electronic ballast 1 has a rectifier with power factor correction circuit (PFC, Power Factor Correction) 2, an electrolyte storage capacitor 4 and an RF inverter 3, which in turn via its output circuit 6, the gas discharge lamp 5 drives.
  • the DC voltage (bus voltage) is therefore only present within the ECG.
  • an emergency lighting control 7 may be provided.
  • the rectifier 2 in the electronic ballast 1 is usually supplied with alternating voltage 9, for example mains voltage.
  • EP1244337 A1 describes a lighting system with an electrified line (1) and a plurality of lighting fixtures associated with said conduit.
  • Each of the lighting fixtures (3) is a high intensity discharge (HID) lamp (L), connected to a power supply (5) having a first subset of the components of a power supply circuit, and that of the electrified line (1) is connected to a power supply module (1). 7) with the remaining electrical components of the power supply circuit, which is assigned together for all lighting fixtures (3).
  • HID high intensity discharge
  • US5539388A describes a telemetry and control system for use in DC power electrical systems, as disclosed in automobiles or other vehicles.
  • the system includes a master transmitter that encodes data as a train of current pulses that modulate the DC supply voltage.
  • the starting point for the present invention is to propose control for illuminant operating devices, which enables more cost-effective production of operating devices.
  • the central point of the invention is that the unit rectifier / PFC is no longer provided locally in each operating device, but centrally for several operating devices.
  • the connection between this center and the individual operating devices is carried out according to the invention via a DC output circuit.
  • the present invention deals with the aspect of how operating devices can be supplied in a simple manner via the DC output circuit not only with the required operating power, but also with control signals.
  • a method for controlling lamp operating devices by means of a central, supplied with AC voltage rectifier / PFC unit is proposed, said central unit supplies by means of at least one DC output circuit several light source operating devices.
  • the DC supply voltage of the output circuit is modulated in accordance with a powerline technology high-frequency digital control signals. These powerline control signals can then locally in the operating devices by there provided powerline demodulators from the DC output circuit be read and evaluated to control the respective associated bulb.
  • powerline is to be understood in the broadest sense as a signal transmission via a power supply. Fundamentals of powerline technology can be found in the book “Powerline Communications "by Klaus Dorstedt, Prentice Hall, June 2001 , are taken.
  • a powerline modulator for modulating supplied control signals to the DC output circuit can be provided in the DC output circuit or else in the central rectifier / PFC unit.
  • a switch-off command are transmitted, whereupon this switches off the associated lamp via a powerline control command.
  • the gas discharge lamp can be switched off by switching off the inverter in the electronic ballast.
  • the powerline modulator may be preceded by a switch, wherein the powerline modulator issues a turn-off command to the DC output circuit in the form of a powerline command when the upstream switch is moved to its off position.
  • This conversion of the switch position into a digital control command has the advantage that it avoids the problems of the formation of a spark gap when opening the switch, which are common in high-voltage DC switches.
  • signals can also be transmitted bidirectionally in accordance with the powerline technology, so that signals can also be transmitted from one operating device to the central one Rectifier / PFC unit can be transmitted.
  • the corresponding operating device has a powerline modulator.
  • error and / or status messages can be transmitted from one operating device to the central rectifier / PFC unit or to another connected to the DC output circuit point having a powerline demodulator.
  • the powerline modulator can be provided separately (external) to the central rectifier / PFC unit and transmit signals regarding the operating state of a luminous means or the associated equipment to the rectifier / PFC unit.
  • the control commands may be individually addressable to operating devices and / or groups of operating devices in that the commands have an address header or an individual output circuit is assigned to the operating device (s) to be addressed. In the latter case, the addressing thus takes place by responding to that output circuit to which the device to be addressed is assigned.
  • Individual light sources and / or groups of light sources can thus be individually started and / or dimmed by means of the powerline control commands.
  • the powerline control commands can be modulated with an amplitude of less than 10%, in particular less than 5% of the DC voltage.
  • the requirements in the Powerline DC bus can be defined without regard to the requirements of network operators, so that the strict limitations of powerline technology as they prevail in public networks, must not be met. Namely, any high, high-frequency signal levels (modulation levels) in the DC bus cause no harm to the AC power supply.
  • a control system for light bulbs comprises a central rectifier / PFC unit, hereinafter referred to as "central unit”.
  • This central unit supplies by means of at least one DC output circuit several light source control gear.
  • the DC supply voltage is modulated in a powerline technology high-frequency digital control signals. These control signals can then be locally read out by powerline demodulators in the operating devices and evaluated for controlling the lighting device associated with the operating device.
  • a powerline modulator may be provided in the DC output circuit itself or in the central unit.
  • the powerline demodulator in an operating device can be designed to initiate a switch-off command, which it receives via the DC output circuit, the switching off of the respective associated light source.
  • a central processing unit comprising, for example, a rectifier 2 and a power factor correction circuit (PFC) 10 is provided for a plurality of illuminant operating devices 1, 1 ', 1 " also spatially separated from the control gear and can, for example, be centrally located for a room, a floor or even a building in a cabinet, etc.
  • PFC power factor correction circuit
  • the various light-emitting devices operating devices 1, 1 ', 1 a variety of light sources, such as a gas discharge lamp 5, LEDs 5', etc. control ..
  • the bulbs can therefore be operated with DC or AC voltage, in Last case in the zugehärigen operating device, an inverter is provided.
  • a Light sensor 5 or a motion detector (not shown) may be connected.
  • the operating devices 1, 1', 1" are designed differently.
  • the corresponding operating device 3 is, for example, designed as a ballast with an inverter.
  • the operating devices can also be referred to as "output converters".
  • an output circuit 11 may be configured like a bus, so that starting from this central common bus 11, the various operating devices 1, 1 ', 1 "over stubs 13, 13', 13" are supplied.
  • individual output circuits 12 may be provided for individual operating devices or jointly supplied groups of operating devices.
  • This DC output circuit has the advantage that it is less susceptible to parasitic effects than corresponding AC circuits.
  • Emergency lighting control units 7 or further control units 8 can be connected to the DC output circuit 11 or 12, and these devices can also read signals from the connected operating devices from the DC bus if they have a powerline demodulator.
  • the central unit is provided for several operating devices together, wherein the central unit with the operating devices by means of at least one DC output circuit connected is.
  • the voltage on the output circuit 11 may be for example 400 volts.
  • Fig. 1 For example, as can be seen, the DC output circuit 11 is strictly disconnected from the power supply voltage 9, as explained in detail below, a powerline modulation may be provided for the DC output circuit 11 that does not suffer from those restrictions normally prevailing in mains power supplies.
  • Fig. 3 a technique is shown, as by means of the DC bus in a simple manner, the operating devices 1 not only supplied with voltage, but also can be controlled.
  • powerline control signals are high-frequency modulated onto the DC bus 11.
  • the stroke of the modulation can be, for example, 10 volts at 400 volts DC voltage.
  • the modulation swing is small compared to the level of the DC voltage and bpsw. is less than 10% and preferably less than 5% of the DC voltage level.
  • Doe modulation frequency may be, for example, in the MHz range.
  • a power-line (PLC) modulator 17 is provided which modulates the control signals 23 supplied from a higher-level controller onto the DC bus 11.
  • the higher-level control can, for example, be a DALI (Digital Addressable Light Interface) controller.
  • DALI Digital Addressable Light Interface
  • control signals 23 may be complex control signals for starting, switching on and / or dimming, etc. of the lamps 14 connected to the corresponding operating device 1.
  • the PLC modulator 17 but also a simple, manually operable button or switch 18 may be connected upstream, so that the transfer of this switch 18th is converted into the off position by the PLC modulator 17 into a powerline drive signal for the DC bus 11.
  • This powerline control signal is then read out by a PLC modulator 15, evaluated and transferred to a local control unit 16 in the operating device 1.
  • the local control unit 16 ensures that the read-out powerline control signals are converted into a corresponding operating state control signal for the connected lighting means 14.
  • a light source can be switched on, switched off and / or dimmed or queried states of a control gear from the central unit (master / slave principle).
  • the brightness control may be in a gas discharge lamp, for example by adjusting the frequency of the inverter in an electronic ballast (ECG).
  • a powerline control command with an address header may be provided so that the PLC demodulator 15 and the connected local control unit 16 detect can, whether the respective powerline control command for the associated control gear 1 is determined.
  • the operating device is assigned in advance an address which is stored in the operating device and which is known to the unit sending the control command.
  • the central unit 20 or the associated PLC modulator 17 can thereby address an operating device 1 with a powerline control command that a DC bus line 11 assigned to this operating device 1 is used for the transmission of the corresponding powerline control command.
  • the central processing unit 20 may have a plurality of output circuits 11, 12 (see Fig. 1 ), so as to different operating devices or groups to control differently on operating devices (for example, start, switch off, dimming the associated bulbs).
  • a sub-unit 20 may be provided, which may include the PLC modulator 17.
  • an AC voltage (AC intermediate voltage) rectified by the central unit can be present between the subunit 20 and the central unit.
  • the communication on the DC bus 11 is bidirectional. This means that not only can powerline control commands be transmitted from a control center 19 to local operating devices 1, but, for example, error messages and / or status signals from local operating devices can also be reported back to the control center 19.
  • the corresponding operating device 1 of course not only a PLC demodulator 15, but also a PLC modulator (not shown in figures) for the modulation of the feedback signals on the DC bus 11.

Claims (21)

  1. Procédé de commande d'appareils d'alimentation pour moyen d'éclairage au moyen d'une unité centrale redresseur/correcteur de facteur de puissance (2, 10), qui est alimentée par une tension alternative et qui alimente plusieurs appareils d'alimentation pour moyen d'éclairage (1) au moyen d'au moins un circuit de sortie à courant continu (11),
    dans lequel le circuit de sortie à courant continu (11) est séparé de la tension d'alimentation de réseau (9) et des signaux de commande numériques à haute fréquence sont modulés sur la tension d'alimentation à courant continu selon une technique de courants porteurs en ligne (17), lesdits signaux de commande étant lus par des démodulateurs de courants porteurs (15) dans les appareils d'alimentation (1) et étant évalués pour la commande du moyen d'éclairage associé (5)
  2. Procédé selon la revendication 1,
    dans lequel un modulateur de courants porteurs (17), qui module des signaux de commande (23) fournis à partir d'une commande d'ordre supérieur sur le bus à courant continu (11), est prévu séparément de l'unité centrale redresseur/correcteur de facteur de puissance (2, 10) ou en faisant partie intégrante de celle-ci (19).
  3. Procédé selon la revendication 1 ou 2,
    caractérisé en ce que, dans le circuit de sortie à courant continu ou dans l'unité centrale redresseur/correcteur de facteur de puissance (2, 10), un modulateur de courants porteurs est prévu pour une modulation sur le circuit de sortie à courant continu de signaux de commande fournis.
  4. Procédé selon l'une des revendications précédentes,
    caractérisé en ce que sur le circuit de sortie à courant continu des signaux sont transmis de manière bidirectionnelle selon la technique de courants porteurs en ligne, de manière à transmettre des signaux depuis un appareil d'alimentation jusqu'à l'unité centrale redresseur/correcteur de facteur de puissance.
  5. Procédé selon la revendication 4,
    caractérisé en ce que des messages d'erreur ou d'état sont transmis depuis un appareil d'alimentation jusqu'à l'unité redresseur/correcteur de facteur de puissance.
  6. Procédé selon l'une des revendications précédentes,
    dans lequel le modulateur de courants porteurs est prévu séparément de l'unité centrale redresseur/correcteur de facteur de puissance et transmet à l'unité redresseur/correcteur de facteur de puissance des signaux relatifs à l'état de fonctionnement d'un moyen d'éclairage ou du moyen de fonctionnement associé.
  7. Procédé selon l'une des revendications précédentes,
    caractérisé en ce que les instructions de commande sont adressables individuellement à des appareils d'alimentation et/ou à des groupes d'appareils d'alimentation, en ce que les instructions présentent un en-tête d'adresse ou un circuit de sortie individuel est associé respectivement à l'appareil/aux appareils de fonctionnement à adresser.
  8. Procédé selon la revendication 7,
    caractérisé en ce que, au moyen des instructions de commande sur courants porteurs, des moyens d'éclairage individuels et/ou des groupes de moyens d'éclairage sont démarrés individuellement et/ou leur intensité lumineuse est variée individuellement.
  9. Procédé selon l'une des revendications précédentes,
    caractérisé en ce que les signaux de commande sur courants porteurs sont modulés avec une amplitude inférieure à 10 %, en particulier inférieure à 5 % de la tension continue.
  10. Système de commande pour des appareils d'alimentation pour moyen d'éclairage, présentant une unité centrale redresseur/correcteur de facteur de puissance, qui est alimentée par une tension alternative et qui alimente plusieurs appareils d'alimentation pour moyen d'éclairage au moyen d'au moins un circuit de sortie à courant continu,
    dans lequel le circuit de sortie à courant continu est séparé de la tension d'alimentation de réseau (9) et des signaux de commande numériques à haute fréquence sont modulés sur la tension d'alimentation à courant continu selon une technique de courants porteurs en ligne, lesdits signaux de commande étant lus par des démodulateurs de courants porteurs dans les appareils d'alimentation et étant évalués pour la commande des moyens d'éclairage associés.
  11. Système de commande selon la revendication 10,
    dans lequel un modulateur de courants porteurs (17), qui module des signaux de commande (23) fournis à partir d'une commande d'ordre supérieur sur le bus à courant continu (11), est prévu séparément de l'unité centrale redresseur/correcteur de facteur de puissance (2, 10) ou en faisant partie intégrante de celle-ci (19).
  12. Système de commande selon l'une des revendications 10 ou 11,
    caractérisé en ce que le démodulateur de courants porteurs est conçu pour, en réponse à une instruction de mise hors circuit, causer la mise hors circuit du moyen d'éclairage associé.
  13. Système de commande selon l'une des revendications 10 à 12,
    caractérisé en ce que le moyen d'éclairage est une lampe à décharge de gaz et l'appareil d'alimentation est un ballast électronique, dans lequel la lampe à décharge de gaz est susceptible d'être mise hors circuit par la mise hors circuit d'un onduleur dans le ballast.
  14. Système de commande selon l'une des revendications 10 à 13,
    caractérisé en ce qu'un commutateur est connecté en amont du modulateur de courants porteurs, le modulateur de courants porteurs délivrant une instruction de mise hors circuit au circuit de sortie lorsque le commutateur est mis dans une position de mise hors circuit.
  15. Système de commande selon l'une des revendications 10 à 14,
    caractérisé en ce que le circuit de sortie à courant continu, l'unité centrale redresseur/correcteur de facteur de puissance ainsi que le démodulateur de courants porteurs sont conçus pour une transmission bidirectionnelle selon la technique de courants porteurs en ligne, de manière à transmettre des signaux depuis un appareil d'alimentation jusqu'à l'unité centrale redresseur/correcteur de facteur de puissance.
  16. Système de commande selon la revendication 15,
    caractérisé en ce que des messages d'erreur et/ou d'état sont aptes à être transmis depuis un appareil d'alimentation jusqu'à l'unité redresseur/correcteur de facteur de puissance.
  17. Système de commande selon l'une des revendications 10 à 16,
    dans lequel le modulateur de courants porteurs est prévu séparément de l'unité centrale redresseur/correcteur de facteur de puissance et est conçu pour transmettre à l'unité redresseur/correcteur de facteur de puissance des signaux relatifs à l'état de fonctionnement d'un moyen d'éclairage ou du moyen de fonctionnement associé.
  18. Système de commande selon l'une des revendications 10 à 17,
    caractérisé en ce que les instructions de commande sont adressables individuellement à des appareils d'alimentation et/ou à des groupes d'appareils d'alimentation, en ce que les instructions de commande sont munies d'un en-tête d'adresse ou en ce qu'un circuit de sortie individuel est associé à l'appareil/aux appareils d'alimentation à adresser.
  19. Système de commande selon la revendication 18,
    caractérisé en ce que, au moyen des instructions de commande sur courants porteurs, des moyens d'éclairage individuels et/ou des groupes de moyens d'éclairage sont aptes à être démarrés individuellement et/ou leur intensité lumineuse est apte à être variée individuellement.
  20. Système de commande selon l'une des revendications 10 à 19,
    caractérisé en ce que le niveau de modulation s'élève à moins de 10 %, en particulier moins de 5 % de la tension continue.
  21. Système de commande selon l'une des revendications 10 à 20,
    dans lequel une unité de commande d'éclairage de secours (7) est raccordée au circuit de sortie à courant continu (11).
EP10182692.3A 2004-01-14 2004-11-24 Commande des dispositifs d'éclairage par des signaux modulés sur bus à courant continu Active EP2288238B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102004002026A DE102004002026A1 (de) 2004-01-14 2004-01-14 Ansteuerung von Leuchtmittel-Betriebsgeräten über einen modulierten DC-Bus
EP04027898.8A EP1555859B1 (fr) 2004-01-14 2004-11-24 Commande des dispositifsd'éclairage par des signaux modulés sur bus à courant continu

Related Parent Applications (3)

Application Number Title Priority Date Filing Date
EP04027898.8A Division EP1555859B1 (fr) 2004-01-14 2004-11-24 Commande des dispositifsd'éclairage par des signaux modulés sur bus à courant continu
EP04027898.8A Division-Into EP1555859B1 (fr) 2004-01-14 2004-11-24 Commande des dispositifsd'éclairage par des signaux modulés sur bus à courant continu
EP04027898.8 Division 2004-11-24

Publications (3)

Publication Number Publication Date
EP2288238A2 EP2288238A2 (fr) 2011-02-23
EP2288238A3 EP2288238A3 (fr) 2012-10-31
EP2288238B1 true EP2288238B1 (fr) 2014-10-15

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EP04027898.8A Active EP1555859B1 (fr) 2004-01-14 2004-11-24 Commande des dispositifsd'éclairage par des signaux modulés sur bus à courant continu
EP10182692.3A Active EP2288238B1 (fr) 2004-01-14 2004-11-24 Commande des dispositifs d'éclairage par des signaux modulés sur bus à courant continu

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Application Number Title Priority Date Filing Date
EP04027898.8A Active EP1555859B1 (fr) 2004-01-14 2004-11-24 Commande des dispositifsd'éclairage par des signaux modulés sur bus à courant continu

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EP (2) EP1555859B1 (fr)
DE (1) DE102004002026A1 (fr)
HK (1) HK1148897A1 (fr)

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EP1555859A1 (fr) 2005-07-20
DE102004002026A1 (de) 2005-08-04
EP2288238A3 (fr) 2012-10-31
EP2288238A2 (fr) 2011-02-23
EP1555859B1 (fr) 2014-01-22
HK1148897A1 (en) 2011-09-16

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