EP2475227B1 - Système d'éclairage doté de plusieurs lampes et appareil de mise en oeuvre de valeurs de réglage - Google Patents

Système d'éclairage doté de plusieurs lampes et appareil de mise en oeuvre de valeurs de réglage Download PDF

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Publication number
EP2475227B1
EP2475227B1 EP11195978.9A EP11195978A EP2475227B1 EP 2475227 B1 EP2475227 B1 EP 2475227B1 EP 11195978 A EP11195978 A EP 11195978A EP 2475227 B1 EP2475227 B1 EP 2475227B1
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EP
European Patent Office
Prior art keywords
bus line
conversion device
luminaire
value conversion
luminaires
Prior art date
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Active
Application number
EP11195978.9A
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German (de)
English (en)
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EP2475227A1 (fr
Inventor
Ralf Schladör
Thomas Steffens
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.)
Zumtobel Lighting GmbH Austria
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Zumtobel Lighting GmbH Austria
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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

Definitions

  • the present invention relates to a lighting system according to the preamble of claim 1, which has a plurality of lights which are connected to a common bus line and are connected via this with at least one control unit, generated by the control unit control information for the lights and the bus to the Luminaires are transmitted. Furthermore, the present invention relates to a method for operating a corresponding lighting system and a device for the implementation of control values for the lamps.
  • the lighting is usually controlled by transmitting digital brightness control values to it.
  • digital brightness control values According to the known so-called DMX standard, it is provided, for example, to transmit digital control values in a range of 0-255, which are then converted by the corresponding lamp operating devices of the luminaires in order to control the associated light sources.
  • the value 0 corresponds to the lowest dimming level or a switched-off state of the luminaire, while the value 255 represents the highest dimming level or the maximum brightness.
  • Intermediate control values should cause a higher dimming level with a rising value. However, this can be done in different ways, which is described below with reference to FIG. 3 should be explained.
  • FIG. 3 shows three different so-called dimming curves, which define how the brightness of a luminaire increases in dependence on the transmitted control values.
  • I a linear dimming curve is first shown, in which the brightness of the luminaire increases in proportion to the transmitted control value.
  • the luminaire has a brightness of 127, which corresponds to 50% of the maximum brightness.
  • a dimming curve is used, as in FIG. 3 denoted by II.
  • This DALI dimming curve has approximately an exponential course and thus compensates for the approximately logarithmic brightness perception of the human eye.
  • An increase in brightness, which is due to a certain increase in the control value, is always perceived by a viewer as the same, regardless of whether there is already a high or low brightness.
  • a third possible dimming curve is, for example, the so-called gamma 2.2 curve III, which defines the adaptation of a brightness signal of a linearly operating display device, for example a monitor.
  • the object of the present invention is to provide a corresponding solution for this purpose.
  • the solution according to the invention is based on the idea of using one or more manipulated variable conversion devices within the illumination system. These devices are arranged upstream of the luminaires within the bus line and ensure that the transmitted control values are adapted. In this way, the control values ultimately arriving at the luminaire correspond in their course to the dimming curve used by the luminaire, which means that all luminaires behave the same regardless of the respectively implemented dimming curve.
  • a lighting system which has a plurality of lights which are connected to a common bus line and connected via at least one control unit, wherein the control unit is adapted to generate digital control information and to transmit over the bus line to the lights, and wherein the lights are adapted to control their associated light sources in response to control information that arrive via the bus line to control.
  • the system has at least one manipulated variable conversion device, which is connected to the bus line and adapted to modify the input side incoming control information depending on the type of following in the bus line light and pass it as modified control information via the bus.
  • the adaptation of brightness control values constitutes a particularly preferred application example of the present invention.
  • the manipulated variable conversion device is designed to modify luminance control values arriving on the input side according to a dimming curve of a luminaire following in the bus line.
  • a dimming curve of a device upstream of the bus line that is to say a luminaire or the control unit, is preferably also taken into account.
  • the present invention is not limited to the adaptation of brightness control values, but can also be used elsewhere for the corresponding adaptation of control information.
  • Another preferred application example is to make color point corrections, which are required when the lights each have differently usable color spaces.
  • individual control values for the respective primary colors of the luminaires are usually transmitted via the bus line.
  • the manipulated variable conversion device according to the invention now the individual control values for the basic colors can be adapted to use the respective color space of the associated lamp in an optimal manner. This measure ultimately ensures that a more uniform appearance of the lighting is obtained, although a wide variety of lights are used.
  • the solution according to the invention can be used, for example, in signal transmission in the DMX protocol. However, it is not limited to this, but can also be used in other protocols, such as RDM, DALI, VC, Art-Net or the like.
  • FIG. 1 This in FIG. 1 illustrated, generally provided with the reference numeral 1 lighting system has a plurality of lights 10, 20, which are connected to a common bus line 5. About this bus line 5, the lights 10, 20 are connected to a control unit 2, which generates control information and transmitted to the lights 10, 20.
  • the control unit 2 may be located, for example, at a central location within a building and be designed such that the control of the lights 10, 20 takes place according to a specific scheme, for example, time of day.
  • a manual input device could also be provided, via which control values for brightness control are generated, which are transmitted to the lights 10, 20. It would be conceivable, for example, an operating device, via which all located within a certain space Lights should be controlled uniformly.
  • several control units can also be connected to the bus line, with only one control unit being shown in the present case for reasons of clarity.
  • the control information transmitted by the control unit 2 usually relate primarily to information regarding the brightness and / or color control of the light sources of the different lights. For this purpose, digital brightness control values are usually transmitted. At the same time, however, other configuration data can also be transmitted via the bus line 5, for example, to assign operating addresses to the lights 10, 20 or to ask for operating information.
  • control values for brightness control are communicated to several or all luminaires 10, 20, then it is desirable that the luminaires 10, 20 behave uniformly.
  • the problem in this context is that when using lights from different manufacturers usually the problem occurs that the incoming brightness control values are implemented in different ways.
  • the reason for this, as mentioned in the introduction, is that the conversion of the received brightness control values takes place on the basis of special dimming curves which are stored in the luminaires, wherein these dimming curves can vary from manufacturer to manufacturer.
  • FIG. 1 For example, initially two lights 10 are used which have a logarithmic dimming curve corresponding to the DALI standard.
  • a third lamp 20 in turn has a so-called.
  • Gamma 2.2 dimming curve and would accordingly respond differently to changes in the control value than the first-mentioned lights 10. Since such a different behavior of the individual lights would adversely affect the appearance of the lighting system 1, is now proposed according to the invention , To make a modification or correction of the control values, in order to ultimately obtain a uniform behavior of the lights 10, 20.
  • special manipulated variable conversion devices 30 are provided which have been integrated into the bus system 5.
  • Each conversion device 30 has a data input and a data output and is integrated into the bus system 5 in such a way that it is preceded in each case by a luminaire or a group of luminaires with identical dimming curves.
  • the first conversion device 30 is the two lights 10 with upstream of the DALI dimming curve
  • the second conversion device is located in front of the third light 20 with the gamma 2.2 dimming curve.
  • the conversion apparatus 30 is now configured to translate the input side dimming curve into an output side dimming curve corresponding to the dimming curve of the downstream lamp (s).
  • FIG. 1 corresponds to the input-side dimming curve of the first conversion device 30 of the linear curve of the control unit 2, which is implemented by the correction curve 1 such that ultimately results in an output-side dimming curve, which corresponds to the DALI standard.
  • the input-side dimming curve is distorted in a suitable manner with the aid of the correction curve.
  • the second conversion device 30 modifies the input-side dimming curve, which is now represented by the DALI dimming curve, through the correction curve 2 such that a dimming curve results on the output side which corresponds to the gamma 2.2 dimming curve of the luminaire 20.
  • a brightness control value output by the control unit 2 is first suitably modified by the first conversion device 30 and transmitted to the lights 10, which convert this control value accordingly.
  • This modified control value is corrected or modified by the second conversion device 30 again and forwarded to the light 20, wherein the corrections ultimately take place in such a way that all lights 10 and 20 behave in a similar manner. A uniform appearance upon a change in the output from the control unit 2 control value is thereby ensured.
  • each conversion device 30 must therefore know the course of the input-side dimming curve as well as the desired profile of the output-side dimming curve. Such information can be transmitted to the conversion device 30 in different ways, wherein a first possibility, for example, is to transmit this information directly from the control unit 2 via the bus 5 to the conversion device 30.
  • a first possibility for example, is to transmit this information directly from the control unit 2 via the bus 5 to the conversion device 30.
  • a portable programming device for example a PC or the like. The connection could be made via a corresponding cable or wirelessly.
  • the conversion device 30 with a slot for a removable storage medium, for example an SD card. To the appropriate programming then the conversion device 30 must be equipped only with a suitably programmed memory card.
  • the modification of the transmitted control information should relate exclusively to data relating to the change in the brightness and / or the color location of a luminaire.
  • Normal configuration data on the other hand, must be differentiated from this and should be forwarded directly.
  • the conversion device 30 corrects or modifies all data packets which have a start code 0, since these are control values for driving the light sources. Data packets with other start codes, however, are passed through unchanged, wherein after each transmission, the conversion device also switches the output to receive to pass any existing answers of the individual lights unchanged in the opposite direction, ie to the control unit 2. In the same way, other protocols for signal transmission must be used.
  • an adjustment of the color location of the emitted light can be made, if they are lights that are variable in their color output.
  • FIG. 2 shows, for example, the color spaces of two different lights, it being recognizable that, in turn, depending on the type of light or the type of light sources used, the usable color spaces may be different. In the illustrated embodiment, therefore, the color locations of the primary colors, which form the vertices of the respective color space, are different. If control values for the individual primary colors transmitted by the control unit are converted unchanged, the effect may again be that the color changes in different lamps are perceived in different ways.
  • the conversion device can intervene corrective and modify the control value for each primary color of the lamp in a suitable manner, in particular depending on the usable color space of the subsequent lamp, so that the final color location is corrected in a suitable manner.
  • the conversion device could also be used to adapt the bit width of the transmitted brightness signals.
  • a conversion in the opposite direction, ie from 16 bits to 8 bits would be conceivable.
  • the solution according to the invention offers the possibility of integrating a wide variety of types and types of luminaires in a larger lighting system and, in spite of everything, ensuring that the luminaires behave in a similar manner in terms of brightness and / or color when converting control values.
  • the overall appearance of the lighting system is significantly improved in this way.

Landscapes

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

Claims (16)

  1. Système d'éclairage (1), qui présente plusieurs lampes (10, 20), qui sont connectées à une ligne de bus (5) commune et qui sont raccordées, par l'intermédiaire de cette dernière, à au moins une unité de commande (2), sachant que l'unité de commande (2) est réalisée afin de générer des informations de commande numériques et de transmettre ces dernières, par l'intermédiaire de la ligne de bus (5), aux lampes (10, 20), et sachant que les lampes (10, 20) sont réalisées pour commander des sources de lumière, qui leur sont associées, en fonction d'informations de commande parvenant par l'intermédiaire de la ligne de bus (5),
    caractérisé en ce
    que le système (1) présente au moins un appareil de conversion de valeur de réglage (30), lequel est raccordé à la ligne de bus (5) et qui est réalisé afin de modifier des informations de commande arrivant côté entrée en fonction du type de la lampe (10, 20) qui suit dans la ligne de bus (5) et de transférer ces dernières modifiées par l'intermédiaire de la ligne de bus (5).
  2. Système d'éclairage selon la revendication 1,
    caractérisé en ce
    que l'appareil de conversion de valeur de réglage (30) est réalisé pour modifier des valeurs de réglage de luminosité arrivant côté entrée selon une courbe de variation de la lampe (10, 20) qui suit dans la ligne de bus (5).
  3. Système d'éclairage selon la revendication 2,
    caractérisé en ce
    que l'appareil de conversion de valeur de réglage (30) est réalisé afin de tenir compte, en cas de modification des valeurs de réglage de luminosité, d'une courbe de variation d'une lampe (10, 20) qui précède dans la ligne de bus (5) ou d'une courbe de variation de l'unité de commande (2).
  4. Système d'éclairage selon l'une quelconque des revendications précédentes,
    caractérisé en ce
    que l'appareil de conversion de valeur de réglage (30) est réalisé afin de modifier la résolution ou la largeur de bits d'une valeur de réglage de luminosité.
  5. Système d'éclairage selon l'une quelconque des revendications précédentes,
    caractérisé en ce
    que l'appareil de conversion de valeur de réglage (30) est réalisé afin de modifier des valeurs de réglage de luminosité arrivant côté entrée selon un espace colorimétrique utilisable de la lampe (10, 20) qui suit dans la ligne de bus (5).
  6. Appareil de conversion de valeur de réglage (30) destiné à être utilisé dans un système d'éclairage (1), qui présente plusieurs lampes (10, 20), qui sont connectées à une ligne de bus (5) commune et qui sont raccordées, par l'intermédiaire de cette dernière, à au moins une unité de commande (2), sachant que l'unité de commande (2) est réalisée pour générer des informations de commande numériques et pour transmettre ces dernières, par l'intermédiaire de la ligne de bus (5), aux lampes (10, 20), et
    sachant que les lampes (10, 20) sont réalisées pour commander des sources de lumière, qui leur sont associées, en fonction des informations de commande arrivant par l'intermédiaire de la ligne de bus (5),
    caractérisé en ce
    que l'appareil de conversion de valeur de réglage est réalisé afin d'être raccordé à la ligne de bus (5) et afin de modifier des informations de commande arrivant côté entrée en fonction du type de la lampe (10, 20) qui suit dans la ligne de bus (5) et afin de transférer ces dernières, modifiées, par l'intermédiaire de la ligne de bus (5).
  7. Appareil de conversion de valeur de réglage selon la revendication 6,
    caractérisé en ce
    que l'appareil de conversion de valeur de réglage (30) est réalisé afin de modifier des valeurs de réglage de luminosité arrivant côté entrée selon une courbe de variation de la lampe (10, 20) qui suit dans la ligne de bus (5).
  8. Appareil de conversion de valeur de réglage selon la revendication 7,
    caractérisé en ce
    que l'appareil de conversion de valeur de réglage (30) est réalisé afin de tenir compte, en cas de modification des valeurs de réglage de luminosité, d'une courbe de variation d'une lampe (10, 20) qui la précède dans la ligne de bus (5) ou d'une courbe de variation de l'unité de commande (2).
  9. Appareil de conversion de valeur de réglage selon l'une quelconque des revendications 6 à 8,
    caractérisé en ce
    que ledit appareil présente des moyens servant à stocker des informations eu égard aux courbes de variation de lampes (10, 20) qui suivent et/ou qui précèdent dans la ligne de bus (5).
  10. Appareil de conversion de valeur de réglage selon l'une quelconque des revendications 6 à 9,
    caractérisé en ce
    que l'appareil de conversion de valeur de réglage (30) est réalisé afin de modifier la résolution ou la largeur de bits d'une valeur de réglage de luminosité.
  11. Appareil de conversion de valeur de réglage selon l'une quelconque des revendications 6 à 10,
    caractérisé en ce
    que l'appareil de conversion de valeur de réglage (30) est réalisé afin de modifier des valeurs de réglage de luminosité arrivant côté entrée selon un espace colorimétrique utilisable de la lampe (10, 20) qui suit dans la ligne de bus (5).
  12. Procédé servant à commander des lampes (10, 20), qui font partie intégrante d'un système d'éclairage (1), qui présente une ligne de bus (5) commune, à laquelle sont connectées les lampes (10, 20) et par l'intermédiaire de laquelle ces dernières sont raccordées à au moins une unité de commande (2), sachant que l'unité de commande (2) est réalisée afin de générer des informations de commande numériques et de transmettre ces dernières, par l'intermédiaire de la ligne de bus (5), aux lampes (10, 20), et sachant que les lampes (10, 20) sont réalisées afin de commander des sources de lumière, qui leur sont associées, en fonction des informations de commande arrivant par l'intermédiaire de la ligne de bus (5),
    caractérisé en ce
    que les informations de commande sont modifiées en fonction du type de la lampe (10, 20) qui suit dans la ligne de bus.
  13. Procédé selon la revendication 12,
    caractérisé en ce
    que des valeurs de réglage de luminosité sont modifiées selon une courbe de variation de la lampe qui suit dans la ligne de bus (5).
  14. Procédé selon la revendication 13,
    caractérisé en ce
    qu'en cas de modification des valeurs de réglage de luminosité, on tient compte d'une courbe de variation d'une lampe (10, 20) qui précèdent dans la ligne de bus (5) ou d'une courbe de variation de l'unité de commande (5).
  15. Procédé selon l'une quelconque des revendications 12 à 14,
    caractérisé en ce
    qu'on modifie la résolution ou la largeur de bits d'une valeur de réglage de luminosité.
  16. Procédé selon l'une quelconque des revendications 12 à 15,
    caractérisé en ce
    qu'on modifie des valeurs de réglage de luminosité côté entrée selon un espace colorimétrique utilisable d'une lampe (10, 20) qui suit dans la ligne de bus (5).
EP11195978.9A 2011-01-05 2011-12-29 Système d'éclairage doté de plusieurs lampes et appareil de mise en oeuvre de valeurs de réglage Active EP2475227B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102011002478A DE102011002478A1 (de) 2011-01-05 2011-01-05 Beleuchtungssystem mit mehreren Leuchten und Gerät zur Umsetzung von Stellwerten

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EP2475227A1 EP2475227A1 (fr) 2012-07-11
EP2475227B1 true EP2475227B1 (fr) 2015-03-25

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102013202363A1 (de) * 2013-02-14 2014-08-14 Zumtobel Lighting Gmbh Verfahren und System zum Ansteuern von an ein Bussystem angeschlossenen Verbrauchern
DE102014103197A1 (de) 2014-03-11 2015-09-17 Herbert Waldmann Gmbh & Co. Kg Leuchte zum Ausleuchten eines Gebäudebereichs, insbesondere eines Büros
DE102014205301A1 (de) * 2014-03-21 2015-09-24 Zumtobel Lighting Gmbh Verfahren zum Betreiben einer Leuchte mit mehreren Leuchtmitteln oder Gruppen von Leuchtmitteln
US10299349B2 (en) 2014-11-07 2019-05-21 Signify Holding B.V. Synchronous control of networked lighting devices

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Publication number Priority date Publication date Assignee Title
DE19619281A1 (de) * 1996-05-13 1997-11-20 Zumtobel Licht System und Steuereinrichtung zum Steuern der Helligkeit eines Raumes
DE10011306A1 (de) * 2000-03-10 2001-09-13 Patent Treuhand Ges Fuer Elektrische Gluehlampen Mbh Vorrichtung zur Steuerung von Lichtquellen mit Vorschaltgerät
US20060274540A1 (en) * 2005-06-01 2006-12-07 Johnson Controls Technology Company Lighting system
DE102006045744A1 (de) * 2006-09-27 2008-04-03 Ledon Lighting Gmbh Lampenbetriebsgerät zum Betreiben einer oder mehrerer Lichtquellen sowie Verfahren zum Betreiben eines Lampenbetriebsgeräts

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DE102011002478A1 (de) 2012-07-05

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