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EP1972184B1 - Procédé pour faire fonctionner une source de lumière au moyen d'un appareil de commande de lampe et appareil de commande de lampe à cet effet - Google Patents

Procédé pour faire fonctionner une source de lumière au moyen d'un appareil de commande de lampe et appareil de commande de lampe à cet effet Download PDF

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Publication number
EP1972184B1
EP1972184B1 EP06829442A EP06829442A EP1972184B1 EP 1972184 B1 EP1972184 B1 EP 1972184B1 EP 06829442 A EP06829442 A EP 06829442A EP 06829442 A EP06829442 A EP 06829442A EP 1972184 B1 EP1972184 B1 EP 1972184B1
Authority
EP
European Patent Office
Prior art keywords
brightness
operating device
commands
command
lamp operating
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Not-in-force
Application number
EP06829442A
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German (de)
English (en)
Other versions
EP1972184A1 (fr
Inventor
Martin Rudigier
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Tridonic GmbH and Co KG
Original Assignee
Tridonic GmbH and Co KG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Tridonic GmbH and Co KG filed Critical Tridonic GmbH and Co KG
Publication of EP1972184A1 publication Critical patent/EP1972184A1/fr
Application granted granted Critical
Publication of EP1972184B1 publication Critical patent/EP1972184B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • 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
    • H05B41/36—Controlling
    • H05B41/38—Controlling the intensity of light
    • H05B41/39—Controlling the intensity of light continuously
    • H05B41/392—Controlling the intensity of light continuously using semiconductor devices, e.g. thyristor
    • H05B41/3921—Controlling the intensity of light continuously using semiconductor devices, e.g. thyristor with possibility of light intensity variations
    • 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
    • H05B39/00—Circuit arrangements or apparatus for operating incandescent light sources
    • H05B39/04—Controlling
    • H05B39/08—Controlling by shifting phase of trigger voltage applied to gas-filled controlling tubes also in controlled semiconductor devices
    • H05B39/083—Controlling by shifting phase of trigger voltage applied to gas-filled controlling tubes also in controlled semiconductor devices by the variation-rate of light intensity
    • 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 invention relates to a method for operating a light source according to the preamble of claim 1, wherein the brightness of the light source is set in dependence on external brightness commands with the aid of a lamp operating device.
  • the present invention relates to a suitable for performing the corresponding method lamp operating device.
  • lamp operating devices of modern design usually have the option of transmitting to them external control commands, which are taken into account in the control of the light source associated with the lamp operating device.
  • external control commands which are taken into account in the control of the light source associated with the lamp operating device.
  • WO 99/60804 A shows a network-based electrical control system with distributed sensors and control, which is designed for lighting purposes.
  • a local area network discloses a communication network for information exchange and a plurality of electrical components connected to the communication network.
  • Each of the electrical components is configured to perform a particular function whereby information may be received by one or more other electrical components connected to the communications network.
  • the electrical components work together, which distributes component functions and shares information.
  • the electrical components are sensors, transceivers, switches, dimmers and control units.
  • JP 08 148284 A discloses a method of controlling a light dimmer, and a light dimmer control apparatus. In this case, the deviation of a dimming coefficient is reduced depending on a frequency, even if the dimming coefficient is small.
  • JP 07 320879 A shows an illumination control apparatus which prevents unnatural flicker of the lamp by means of a bit correction unit, even if the values of the light control information have been blurred by noise.
  • US 2005/174067 A1 relates to a method for operating a lamp and an electronic ballast (ECG), for example for operating a gas discharge lamp.
  • ECG electronic ballast
  • an internal timer of the ECG is corrected by means of time information received by external signals.
  • US-A-5,477,111 shows a dimmer for use in a lighting control, which includes a triac loop, which allows both the control of light bulb systems and low-voltage lighting systems.
  • the triac loop includes a microcontroller that adjusts the duration of the gate triggering pulse based on the desired intensity of the load.
  • DALI Digital Addressable Lighting Interface
  • Modern lighting systems often work in accordance with the so-called DALI (Digital Addressable Lighting Interface) standard, which represents an interface definition for the transmission of digital commands for the lighting control.
  • DALI Digital Addressable Lighting Interface
  • the central element of the DALI standard is the ability to transmit luminaire commands individually or in groups, in order to set the corresponding light sources to the desired brightness levels.
  • Other lighting systems in which distributed lamp operating devices are transmitted from a center of brightness commands are known.
  • a lamp operating device operating in accordance with the DALI standard receives a new brightness command, it usually does not immediately control the light source assigned to it with the new brightness. Instead, since such brightness jumps would be annoying for an observer, the brightness is increased or reduced continuously or in several small steps to the new brightness value, wherein in the case of the stepwise change, the individual steps are selected such that a nearly continuous transition for a viewer results. Such a brightness change is much more pleasant for the viewer than the sudden change.
  • the various lamp operating devices each have a specific dimming speed, which specifies within which dimming period the brightness is changed from the initial value to the new final value. For example, it is known to specify a dimming period of 500 ms. After receiving a new brightness command, the light source is raised or lowered to the new brightness within 0.5s.
  • the time interval of the transmission of successive brightness commands is slightly above the predetermined dimming period, the result is a brightness curve that is also very unattractive to a viewer, since the brightness remains constant for a short period of time and is then changed again, which is very similar to a flickering of the luminaire is.
  • the DALI standard certainly allows the dimming speed to be readjusted with the aid of control commands transmitted specifically for this purpose, this is associated with an increased outlay in the data transmission and, accordingly, is advantageous only in applications in which the time interval between the data transmission Transmission of brightness commands is essentially consistent.
  • the present invention is accordingly an object of the invention to provide a novel solution in the brightness control of light sources, in which the disadvantages described above do not occur or are at least significantly reduced.
  • the solution according to the invention is based on the idea of making the dimming speed of the lamp operating devices variable.
  • the dimming speed was set in each case by correspondingly transmitted control commands
  • the operating devices themselves are capable of setting a suitable speed for the brightness change.
  • the operating devices take into account the times when current and previous brightness commands were received.
  • a method for operating a light source with the aid of a lamp operating device which lamp operating device adjusts the brightness of the light sources in response to brightness commands, the operating device after receiving a new brightness command, the brightness of the light source within a dimming period continuously or step by step the current brightness sets to the new brightness, and wherein it is provided according to the invention that the operating device independently determines the dimming period on the basis of the times at which the current and previous brightness command was received.
  • a lamp operating device for operating at least one light source
  • the lamp operating device has a receiving unit for receiving external brightness commands and a control circuit, which adjusts the brightness of the light sources in response to the received brightness commands, and wherein the control circuit is adapted, after receiving a new brightness command to adjust the brightness of the light source within a dimming period continuously or in stages from the current brightness to the new brightness.
  • the control circuit determines the dimming period on the basis of the times at which the current and previous brightness command were received.
  • the devices can respond flexibly to received control command sequences.
  • they can adjust their dimming speed or the dimming period required to adjust the brightness such that the new brightness is very likely to be reached precisely at the time when a new brightness command is transmitted. This results in a very pleasant continuous or almost continuous brightness curve for a viewer, in which the desired brightness is set without flickering.
  • the duration between the reception of the last brightness command and the reception of the current brightness command is set as the dimming period.
  • the lamp operating device is thus assumed that at least over a certain period of time, the brightness commands are transmitted in almost uniform intervals. However, the time interval changed by the control panel, the lamp operating device automatically adjusts to this new situation.
  • the independent determination of the dimming period is carried out in a so-called adaptive mode of the operating device, wherein this adaptive mode can either be activated or deactivated by an external control command or the operating device automatically activates the mode in certain situations.
  • this adaptive mode is activated by the operating device if the duration between the receipt of the last brightness command and the reception of the current brightness command has fallen below a predetermined reference period. If, on the other hand, brightness commands are transmitted only at large time intervals, then this is interpreted by the lamp operating device as meaning that no specific brightness sequences are to be set, but instead only one-time brightness changes are provided. In this case, it is preferable to resort to a fixed predetermined dimming speed of, for example, 500 ms.
  • the brightness commands are preferably transmitted as digital control commands, which can be done within the scope of all conceivable options for command transmission. It would be conceivable, for example, the use of separate bus systems, as provided in particular according to the DALI standard. In addition to the wired ones, the wireless transmission (wireless) of brightness commands or the use of power line carrier (PLC) data transmission techniques is also possible.
  • PLC power line carrier
  • the invention will be explained with reference to an embodiment of an electronic ballast for operating a gas discharge lamp. It should be noted, however, that the concept of adaptive dimming speed is by no means limited to such lamp operating devices and light sources. Instead, the present invention can basically be applied to all types of Lämpen Anlagenstechnikn which are able to adjust the light sources associated with them in their brightness.
  • the light sources may be LEDs in particular.
  • Fig. 1 generally illustrated by the reference numeral 1 lamp has as a central component to a control circuit 2, which is responsible for the operation of the ballast 1 and takes over the control of all other components.
  • the operation of the ballast 1 is carried out in particular on the basis of control commands, which are the wired ballast 1 and / or wirelessly (radio) transmitted from a central command generator 22.
  • the ballast 1 to a transmitting and receiving unit or an interface 3, via which a data exchange takes place.
  • the interface 3 is in the illustrated embodiment via a bus line system 21, to which other ballasts can be connected, connected to the central command generator 22. Commands received by the interface 3 via the bus line system 21 are then forwarded to the control unit 2, which regulates the operation of the ballast 1 in a suitable manner.
  • control commands can be provided.
  • the use of the lines of the power supply network 20 for the command transmission would be conceivable, in which case so-called powerline carrier techniques are used.
  • the use of a separate bus line 21 the command transmission is preferably carried out according to the DALI standard, although any other way of digital command transmission can be provided.
  • the brightness setting of the gas discharge lamp connected there to the ballast 1 is effected in that the power supplied to the lamp LA in is set appropriately.
  • the ballast 1 internally initially has a rectifier 4 connected to the power supply network 20, whose rectified input voltage is fed to a DC link circuit 5.
  • This serves on the one hand the harmonic filtering and on the other hand generates an intermediate circuit voltage, which is converted by an inverter 6 into a high-frequency AC voltage.
  • This in turn is supplied to the output-side load circuit 7, which has output terminals for the lamp LA.
  • the lamp power can now be changed by changing the frequency of the alternating voltage generated by the inverter 6.
  • the load circuit 7 has a series resonant circuit consisting of an inductance and a capacitance, the power can be changed by changing the operating frequency with respect to the series resonant frequency of the load circuit.
  • the type of the type of light source connected to the lamp operating device however, other concepts for power or brightness control can also be used.
  • the control circuit 2 changes the power supplied to the lamp LA such that it is finally operated with the new desired brightness.
  • the transition from the output brightness to the new final brightness does not take place abruptly, but continuously or in smaller steps, in order to produce a more pleasant brightness transition.
  • This so-called dimming speed is usually determined by the specification of a dimming period, which indicates within which time the brightness is raised or lowered from the initial brightness to the final brightness.
  • a standard dimming period is 500ms, which means the new brightness will be triggered within half a second. This speed is sufficient for such cases, in which only at long time intervals in each case a new brightness value is given.
  • the brightness value should be changed more quickly, since new brightness commands are transmitted in short time intervals. If the dimming speed is too slow for this, this means that the final value is not reached at all before a new brightness value is transmitted again.
  • Fig. 2 shows an example of a brightness curve, in which at the times t1, t2 and t3, ie at a time interval of 100ms alternately brightness values of 20% and 80% are transmitted. Since at a fixed predetermined Dimming speed of 500ms for the brightness change the period for setting the new brightness value is greater than the time sequence of the transmission of the individual commands, this has - as shown - the consequence that at any time the desired final brightness is achieved. Instead, the brightness varies between values of about 65% and 35%, which does not correspond to the desired brightness curve.
  • the lamp operating device sets the dimming speed, more precisely the dimming period independently.
  • the operating device recognizes the sequence from the previous command sequences and subsequently adapts the future behavior in the brightness adjustment in order to produce the most continuous possible brightness curve.
  • the dimming period T ie the period in which, after receiving a new brightness command, the lamp brightness is changed from the initial value to the new final value, corresponds to the time interval between the transmission of the last brightness command and the current brightness command.
  • the lamp operating device at the time t2 at which a new brightness command was obtained, determines that before 100 ms, ie at the time t1, the previous last brightness command was transmitted.
  • This time interval ⁇ is recorded in an internal memory 8 of the control circuit 2 and now serves as a dimming period T for the subsequent adjustment of the brightness.
  • the new brightness of 80% is reached. If the transmission of the control commands occurs almost at constant time intervals, this means that the new final brightness is reached precisely at the time t3 at which a new brightness command is also received. The brightness is thus changed almost continuously, resulting in a very pleasant brightness.
  • This so-called adaptive mode of the lamp operating device is therefore obviously advantageous if a multiple and rapid change in the lamp brightness is provided.
  • An application for this would be, for example, the control of LEDs.
  • this adaptive mode is used only in those cases in which it brings about the advantages described above .
  • the adaptive mode is explicitly activated or deactivated by means of corresponding digital commands.
  • the lamp operating device automatically activates the adaptive mode if the transmission of the brightness commands indicates that a specific command sequence is now to be expected.
  • the lamp operating device can automatically switch to adaptive mode.
  • the corresponding instruction set of the DALI standard is extended in order to integrate the solution according to the invention into this standard.
  • the solution according to the invention provides an improvement in the control of light sources, by means of which, in particular in the repeated and rapid transmission of different brightness commands, a particularly pleasant brightness progression is achieved. At the same time it is also ensured that in each case the desired final brightness value is reliably achieved.

Landscapes

  • Circuit Arrangement For Electric Light Sources In General (AREA)
  • Lighting Device Outwards From Vehicle And Optical Signal (AREA)
  • Endoscopes (AREA)

Claims (22)

  1. Procédé pour faire fonctionner une source de lumière (LA) au moyen d'un appareil de commande de lampe (1), qui ajuste la luminosité de la source de lumière (LA) en fonction d'instructions de luminosité externes fournies via une interface,
    dans lequel, après la réception d'une nouvelle instruction de luminosité externe, l'appareil de commande (1) ajuste la luminosité de la source de lumière (LA) pendant une durée (T) de variation d'intensité lumineuse avec une vitesse de variation d'intensité lumineuse de façon continuelle ou par paliers depuis la luminosité actuelle jusqu'à la nouvelle luminosité, caractérisé en ce que
    l'appareil de commande (1) ajuste la vitesse de variation d'intensité lumineuse de façon autonome et adaptative sur la base des instants (t1, t2) auxquels l'instruction de luminosité actuelle et la précédente ont été réceptionnée.
  2. Procédé selon la revendication 1,
    caractérisé en ce que la durée (T) de variation d'intensité lumineuse est choisie comme étant la durée (τ) entre la réception de la dernière instruction de luminosité et la réception de l'instruction de luminosité actuelle.
  3. Procédé selon la revendication 1 ou 2,
    caractérisé en ce que la détermination autonome de la durée de variation d'intensité lumineuse a lieu dans un mode adaptatif de l'appareil de commande (1).
  4. Procédé selon la revendication 3,
    caractérisé en ce que le mode adaptatif est activé ou désactivé par une instruction de commande externe.
  5. Procédé selon la revendication 3,
    caractérisé en ce que le mode adaptatif est activé automatiquement par l'appareil de commande (1).
  6. Procédé selon la revendication 5,
    caractérisé en ce que le mode adaptatif est activé par l'appareil de commande (1), au cas où la durée (τ) entre la réception de la dernière instruction de luminosité et la réception de l'instruction de luminosité actuelle est inférieure à une durée de référence prédéterminée.
  7. Procédé selon la revendication 6,
    caractérisé en ce que la durée de référence est prédéterminée par une instruction de commande externe.
  8. Procédé selon l'une des revendications précédentes,
    caractérisé en ce que les instructions de luminosité sont transmises comme instructions de commande numériques.
  9. Procédé selon la revendication 8,
    caractérisé en ce que la transmission des instructions de luminosité a lieu conformément au standard DALI.
  10. Procédé selon l'une des revendications précédentes,
    caractérisé en ce que les instructions de luminosités sont transmises sans fil et/ou de manière filaire.
  11. Procédé selon l'une des revendications précédentes,
    caractérisé en ce que la source de lumière est au moins une diode électroluminescente.
  12. Appareil de commande de lampe (1) pour faire fonctionner au moins une source de lumière (LA), l'appareil de commande de lampe (1) présentant :
    une unité de réception (3) pour réceptionner des instructions de luminosité externes, ainsi que un circuit de commande (2), qui ajuste la luminosité de la source de lumière (LA) en fonction des instructions de luminosité réceptionnées,
    et dans lequel le circuit de commande (2) est conçu de manière à ce qu'il ajuste la luminosité actuelle de la source de lumière (LA) de façon continuelle ou par paliers pendant une durée de variation d'intensité lumineuse conformément à une nouvelle instruction de luminosité réceptionnée sur la nouvelle luminosité avec une vitesse de variation d'intensité lumineuse, caractérisé en ce que
    le circuit de commande (2) est conçu pour ajuster la vitesse de variation d'intensité lumineuse de façon autonome et adaptative sur la base des instants (t1, t2) auxquels l'instruction de luminosité actuelle et la précédente ont été réceptionnée.
  13. Appareil de commande de lampe selon la revendication 12,
    caractérisé en ce que le circuit de commande définit la durée (T) de variation d'intensité lumineuse comme étant la durée (τ) entre la réception de la dernière instruction de luminosité et la réception de l'instruction de luminosité actuelle.
  14. Appareil de commande de lampe selon la revendication 12 ou 13,
    caractérisé en ce que la détermination autonome de la durée de variation d'intensité lumineuse a lieu dans un mode adaptatif de l'appareil de commande (1).
  15. Appareil de commande de lampe selon la revendication 14,
    caractérisé en ce que le mode adaptatif est activable ou désactivable par une instruction de commande externe.
  16. Appareil de commande de lampe selon la revendication 14,
    caractérisé en ce que le mode adaptatif est activé automatiquement par le circuit de commande (2).
  17. Appareil de commande de lampe selon la revendication 16,
    caractérisé en ce que le mode adaptatif est activé par le circuit de commande (2), au cas où la durée (τ) entre la réception de la dernière instruction de luminosité et la réception de l'instruction de luminosité actuelle est inférieure à une durée de référence prédéterminée.
  18. Appareil de commande de lampe selon la revendication 17,
    caractérisé en ce que la durée de référence est prédéterminable par une instruction de commande externe.
  19. Appareil de commande de lampe selon l'une des revendications 12 à 18,
    caractérisé en ce que les instructions de luminosité sont des instructions de commande numériques.
  20. Appareil de commande de lampe selon la revendication 19,
    caractérisé en ce que la transmission des instructions de luminosité a lieu conformément au standard DALI.
  21. Appareil de commande de lampe selon l'une des revendications 12 à 20,
    caractérisé en ce que l'appareil est conçu pour une réception d'instructions de luminosités sans fil et/ou filaires.
  22. Appareil de commande de lampe selon l'une des revendications 12 à 21,
    caractérisé en ce que la source de lumière est au moins une diode électroluminescente.
EP06829442A 2006-01-10 2006-12-07 Procédé pour faire fonctionner une source de lumière au moyen d'un appareil de commande de lampe et appareil de commande de lampe à cet effet Not-in-force EP1972184B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102006001256A DE102006001256A1 (de) 2006-01-10 2006-01-10 Verfahren zum Betreiben einer Lichtquelle mit Hilfe eines Lampenbetriebsgeräts sowie Lampenbetriebsgerät hierfür
PCT/EP2006/011846 WO2007079865A1 (fr) 2006-01-10 2006-12-07 Procédé pour faire fonctionner une source de lumière au moyen d'un appareil de commande de lampe et appareil de commande de lampe à cet effet

Publications (2)

Publication Number Publication Date
EP1972184A1 EP1972184A1 (fr) 2008-09-24
EP1972184B1 true EP1972184B1 (fr) 2011-03-16

Family

ID=37733734

Family Applications (1)

Application Number Title Priority Date Filing Date
EP06829442A Not-in-force EP1972184B1 (fr) 2006-01-10 2006-12-07 Procédé pour faire fonctionner une source de lumière au moyen d'un appareil de commande de lampe et appareil de commande de lampe à cet effet

Country Status (4)

Country Link
EP (1) EP1972184B1 (fr)
AT (1) ATE502509T1 (fr)
DE (2) DE102006001256A1 (fr)
WO (1) WO2007079865A1 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2010048652A2 (fr) * 2008-10-31 2010-05-06 Tridonicatco Gmbh & Co Kg Procédé de commande d'appareils de service pour moyen d'éclairage
AT13579U1 (de) * 2012-04-05 2014-04-15 Tridonic Gmbh & Co Kg Verfahren zur relativen Ansteuerung einer Leuchte, Steuerung und Beleuchtungssystem
DE102012007017A1 (de) 2012-04-05 2013-10-10 Tridonic Gmbh & Co. Kg Verfahren zur relativen Ansteuerung einer Leuchte, Steuerung und Beleuchtungssystem

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5336979A (en) * 1992-11-12 1994-08-09 Leviton Manufacturing Co., Inc. Microprocessor based touch dimmer system to control the brightness of one or more electric lamps using single or multi-key devices
JPH07320879A (ja) * 1994-05-26 1995-12-08 Matsushita Electric Works Ltd 調光装置
JP3120138B2 (ja) * 1994-11-22 2000-12-25 松下電工株式会社 調光制御方法、調光制御装置及び自動調光制御装置
WO1999060804A1 (fr) * 1998-05-18 1999-11-25 Leviton Manufacturing Co., Inc. Systeme de commande electrique base sur un reseau a commande et detection reparties
DE102004006123A1 (de) * 2004-02-06 2005-08-25 Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH Elektronisches Vorschaltgerät mit Zeitgeberkorrektur

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Publication number Publication date
DE102006001256A1 (de) 2007-07-12
DE502006009128D1 (de) 2011-04-28
EP1972184A1 (fr) 2008-09-24
ATE502509T1 (de) 2011-04-15
WO2007079865A1 (fr) 2007-07-19

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