WO2008061560A1 - Luminaire coloré et procédé de génération d'une lumière colorée de localisation chromatique prédéfinie grâce à un luminaire - Google Patents

Luminaire coloré et procédé de génération d'une lumière colorée de localisation chromatique prédéfinie grâce à un luminaire Download PDF

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Publication number
WO2008061560A1
WO2008061560A1 PCT/EP2006/068752 EP2006068752W WO2008061560A1 WO 2008061560 A1 WO2008061560 A1 WO 2008061560A1 EP 2006068752 W EP2006068752 W EP 2006068752W WO 2008061560 A1 WO2008061560 A1 WO 2008061560A1
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WO
WIPO (PCT)
Prior art keywords
color
light
lamps
lamp
control
Prior art date
Application number
PCT/EP2006/068752
Other languages
German (de)
English (en)
Inventor
Matthias Schneider
Original Assignee
Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH
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 Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH filed Critical Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH
Priority to PCT/EP2006/068752 priority Critical patent/WO2008061560A1/fr
Publication of WO2008061560A1 publication Critical patent/WO2008061560A1/fr

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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
    • H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
    • H05B45/20—Controlling the colour of the light
    • H05B45/22—Controlling the colour of the light using optical feedback

Definitions

  • the invention relates to a color lamp. It also relates to a method for producing colored light having a predetermined color location by a luminaire.
  • DALI stands for "digital addressable light interface", ie digital ad ⁇ ressierbare light interface.
  • the DALI protocol is tailor-made for the control of luminaires.
  • an electronic ballast (ECG) in a luminaire is used to implement the DALI protocol in Steuersigna ⁇ le for a lamp.
  • ECG electronic ballast
  • a Wei ⁇ terippo the DALI protocol is operated, which should make it through the DALI protocol also requirements concerning the color location of the radiated light to ma ⁇ chen.
  • the object of the invention provides a colored light that is the future available ste ⁇ Henden DALI protocol so controlled using a that the Far ⁇ bort of light emitted by their light exactly a default provided by way of the DALI protocol ent ⁇ speaks.
  • the object is achieved by a color lamp with the features according to claim 1 and a method with the features according to claim 6.
  • the color lamp according to the invention comprises at least two lamps which emit light of different color composition, and to each of which an electronic ballast is assigned, via which the intensity of the light emitted by the respective associated lamp is controllable.
  • the color lamp has a DALI input, via which a control signal for determining a desired color ⁇ location for the mixed light of all the lamps of the color lamp to ⁇ feasible.
  • the color lamp has a central color light control, which is connected to the DALI input on the one hand and the electronic ballasts on the other hand and is designed to from a via the DALI input supplied control signal for establishing a target color location for the light that for Generating mixed light of the lamps with the target color location necessary intensities of the individual lamps to calculate and deliver appropriate control signals to the electronic ballasts.
  • An essential aspect of this invention is that not the electronic ballasts are controlled directly to ⁇ , but that the central color light control coordinates the control of the lamps via their electronic ballasts.
  • the luminaire can be connected as a whole to a DALI bus via its DALI input, and the lamps, which are supposed to produce a specific mixed light together, no longer have any independence in the face of this functionality, but are to a unit, namely the color lamp, summarized.
  • the color lamp comprises a color sensor which is arranged in the emission area of the lamps (ie in the area where the lamps already produce a mixed light together) and which is connected to the central color light controller.
  • the color sensor is useful for a determination of an input configuration, so to speak as a calibration used.
  • the signals of the color sensor of the central Farblichtsteue ⁇ tion actual values used in a control in which the control signals to the electronic switchgear advantages optionally from an initial configura- guration as being preferred are generated differently.
  • the electronic ballasts are normally designed to be connected directly to the DALI bus.
  • this DALI input of the electronic ballasts can be used for the connection of the same with the central color light control.
  • a control system other than the DALI bus can be used.
  • the lamps are turned on individually at first in a configuration mode, and thereby is using egg ⁇ nes color sensor the color location of the light emitted by them and their emission intensity measured.
  • the maximum emission intensity is preferably measured. This can also be indirectly detected and measured so that when the emission intensity is then formed gemes ⁇ sen at a predetermined power control of the lamp and is gurge ⁇ joined to the maximum emission intensity.
  • signals are collected emp ⁇ in one mode of operation, where appropriate, is dictated by the a color location.
  • intensities of the light to be emitted are calculated for each lamp, and the lamps are controlled such that the light intensity emitted by them is in each case the calculated intensity.
  • the color sensor is active in the operating mode and color locus and intensity of the combined Let ⁇ radiated by the lamps mixed light measures.
  • the measurement results are used to control the intensities radiated by the lamps.
  • the control is particularly useful because the individual lamps often change their radiation behavior after a long period of operation (for example, due to a warming of the lamp), in particular, the intensity of the radiated light changes at a given control signal. To a predetermined Intensity of the emitted light for the lamp to keep it ⁇ , must then be correspondingly Corridor ⁇ yaws the control signal.
  • the central color light control has an outstanding role, because it can be used to calculate the intensities of the light to be emitted for each lamp, and it also outputs the control signals for the electronic ballasts of the lamps.
  • a generally designated 10 color light whose light is to have a defined color comprises three Lam ⁇ pen 12, which emit light of a given Farbzusammenset ⁇ tion, said color composition of lamp 12 to lamp 12 is different.
  • Each lamp 12 is associated with an electronic ballast 14.
  • the lamps 12 with their electronic ballasts 14 form the basic unit of the color lamp 10, which can be referred to as a lamp for colored light, color lamp 16.
  • the color light 16 it is ensured that the light of the individual lamps 12 is superimposed to form a mixed light 18.
  • the color light 16 as basic unit of the color light 10 does not yet contain the possible Speed, that the exact color of the emitted light, in the present case of the mixed light 18, is defined. This is only possible in the color light 10.
  • the color light 10 has a DALI input 20 for this purpose.
  • control signals according to the DALI protocol supplied.
  • the color locus that the mixed light 18 should have is predefined via the control signals.
  • the locus may be finiert in various ways de ⁇ , present the CIE standard colorimetric system or standard color system is used, which is described in Germany in DIN 5033, Part 3 and fixed.
  • the color location values x and y correspond to coordinates in a coordinate system.
  • the color locus receives its name from a two-dimensional representation of the colors, whereby the three corners of a triangle are determined by the primary colors and the color loci within the triangle result from mixtures of the primary colors corresponding to the color location values x, y and z.
  • the DALI input 20 is connected to a central color light control 22nd
  • the central color light controller 22 has the ability to receive signals, evaluate and output response signals or control signals. You play, includes a conventional microprocessor with ⁇ .
  • the Remote color light controller 22 is now connected to each of the electronic ballasts via a connecting line 24.
  • the connection line can be a DALI bus. Instead of a DALI bus, three connection lines of the type I-10V control lines can also be provided.
  • the central color light controller 22 controls.
  • the intensities of the light emitted by the individual lamps 12 must be set in relation to each other, so that the mixed light 18 has the desired color location.
  • the central Farblichtsteu ⁇ augmentation 22 thus must have a piece of information which has color coordinates, the light separately from ⁇ are each lamp 12, NEN to kön- set the color coordinates of the mixed light 18th
  • a color sensor 26 is in the emission of the lamps 12, where the light emitted from the individual lamps 12 light has been united to form a mixed light 18, disposed ⁇ .
  • a color sensor measures color location and intensity. In the figure, it is indicated that the color sensor outputs the color location values x, y and the unnormalized component of the colorimetry Y at its output. It is not Indeederwei ⁇ se so that the color sensor has to measure these quantities exactly. Frequently, the color sensor will also measure the quantities X, Y and Z, which in their total give the intensity. Depending ⁇ de one of these variables can then by the sum, so by the intensity to be shared, so you x, y and z are thus obtained the respective Farbortwert.
  • the intensity I can be measured. By multiplying the color location value y by the intensity I, the unnormalized composition results.
  • the color sensor 26 has an intelligence (for example a microprocessor), which converts the three measured variables in three emitted at its outputs, or whether the Eigent ⁇ Liche data processing is located in the central color light control 22nd
  • the color sensor 26 is in any case connected to the central color light controller 22 via a connecting line 28, via which a color sensor signal is output, which has three independent data components.
  • the central color light controller 22 can calculate the control signals to be output via the connection line 24, the basic data necessary for this purpose are first determined in a configuration mode.
  • each of the lamps 12 is individually turned switched OFF ⁇ , and the color sensor 26 measures the three components and sends these via the connection line 28 to the central ⁇ rale color light control 22. From each of the lamps 12 is thus the color locus and at a given Dim setting radiated light intensity known.
  • the intensities of the lights u n components calculate that they must have, so that the mixed light 18 to ge ⁇ desired color point x, y has. The following applies:
  • variables u n can become negative. If this happens, the color locus with the color location values x, y and z can not be reached with the existing luminaire.
  • the variables u n representing the absolute values of the above mentioned it also ⁇ mediated individual intensities I n of the lamps normalized, obtaining corrected intensity ratios v n correspondingly to the formula:
  • the color light is in the present case via a dimmer (not shown in the figure) adjustable in their brightness.
  • the dimmer specifies a dimming value d, with
  • the value d can also be preset via the DALI bus, so that the central color light controller 22 receives it via the input 20.
  • d n is defined according to the formula:
  • the dimming d n is exactly what the central ink ⁇ lighting control must set 22 via the control signal that is sent to each of the electronic ballasts 14 via the connection line 24th If each of the lamps 12 is switched on according to the respective dimming position d n provided, the color location of the mixed light 18 corresponds exactly to the desired color location.
  • the invention can also continue to use the color sensor 26 in the operating mode. Is reason that this can be useful that the one ⁇ individual lamps 12 each output intensity I n at ⁇ ground of heating of the lamps can vary 12 and thus not the same I n remains as determined above. Since I n entered into the above determination of the dimming position I n , the dimming positions d n must be corrected.
  • d n new can be defined almost constantly within the framework of a control of the central color light control 22, so that the color of the Mixed light 18 preferably only infinitesimal changes and the system immediately interferes with such a change regulatory.

Abstract

Les futurs systèmes DALI permettent de déterminer la localisation chromatique d'un luminaire. L'invention met à disposition un luminaire pouvant être commandé à l'aide d'un nouveau protocole de ce genre. Au lieu de relier directement des ballasts électroniques de lampes individuelles au bus DALI, on met à disposition une commande centralisée de la lumière colorée (22), laquelle commande des ballasts électroniques (14) en fonction d'un vecteur pour la localisation chromatique de consigne réceptionné par l'intermédiaire d'une entrée DALI (20), lesquels ballasts sont respectivement associés à une lampe (12). La commande centralisée de la lumière colorée (22) calcule les signaux de commande de manière à ce que la lumière des lampes individuelles (12) se mélange afin que la lumière mélangée (18) présente la localisation chromatique souhaitée. Un détecteur de couleurs (26) aide à déterminer la configuration initiale et peut également servir à un réglage ultérieur de la localisation chromatique de la lumière mélangée (18).
PCT/EP2006/068752 2006-11-22 2006-11-22 Luminaire coloré et procédé de génération d'une lumière colorée de localisation chromatique prédéfinie grâce à un luminaire WO2008061560A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PCT/EP2006/068752 WO2008061560A1 (fr) 2006-11-22 2006-11-22 Luminaire coloré et procédé de génération d'une lumière colorée de localisation chromatique prédéfinie grâce à un luminaire

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/EP2006/068752 WO2008061560A1 (fr) 2006-11-22 2006-11-22 Luminaire coloré et procédé de génération d'une lumière colorée de localisation chromatique prédéfinie grâce à un luminaire

Publications (1)

Publication Number Publication Date
WO2008061560A1 true WO2008061560A1 (fr) 2008-05-29

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PCT/EP2006/068752 WO2008061560A1 (fr) 2006-11-22 2006-11-22 Luminaire coloré et procédé de génération d'une lumière colorée de localisation chromatique prédéfinie grâce à un luminaire

Country Status (1)

Country Link
WO (1) WO2008061560A1 (fr)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2523534A3 (fr) * 2011-05-12 2013-08-21 Ledengin, Inc. Appareil et procédés de réglage d'émetteur avec plusieurs DEL pour corbeille à couleur unique
US8598793B2 (en) 2011-05-12 2013-12-03 Ledengin, Inc. Tuning of emitter with multiple LEDs to a single color bin
US9743485B2 (en) 2013-01-31 2017-08-22 Tridonic Gmbh & Co Kg Device for operating LEDs
US10575374B2 (en) 2018-03-09 2020-02-25 Ledengin, Inc. Package for flip-chip LEDs with close spacing of LED chips

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2004057922A1 (fr) * 2002-12-20 2004-07-08 Koninklijke Philips Electronics N.V. Detection de lumiere emise a partir de plusieurs sources lumineuses
WO2006056066A1 (fr) * 2004-11-29 2006-06-01 Tir Systems Ltd. Unite d'eclairage modulaire integree
DE202005020801U1 (de) * 2005-02-25 2006-09-14 Erco Leuchten Gmbh Leuchte
WO2006114725A1 (fr) * 2005-04-28 2006-11-02 Koninklijke Philips Electronics N.V. Systeme d'eclairage ameliore

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2004057922A1 (fr) * 2002-12-20 2004-07-08 Koninklijke Philips Electronics N.V. Detection de lumiere emise a partir de plusieurs sources lumineuses
WO2006056066A1 (fr) * 2004-11-29 2006-06-01 Tir Systems Ltd. Unite d'eclairage modulaire integree
DE202005020801U1 (de) * 2005-02-25 2006-09-14 Erco Leuchten Gmbh Leuchte
WO2006114725A1 (fr) * 2005-04-28 2006-11-02 Koninklijke Philips Electronics N.V. Systeme d'eclairage ameliore

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2523534A3 (fr) * 2011-05-12 2013-08-21 Ledengin, Inc. Appareil et procédés de réglage d'émetteur avec plusieurs DEL pour corbeille à couleur unique
US8598793B2 (en) 2011-05-12 2013-12-03 Ledengin, Inc. Tuning of emitter with multiple LEDs to a single color bin
US8773024B2 (en) 2011-05-12 2014-07-08 Ledengin, Inc. Tuning of emitter with multiple LEDs to a single color bin
US9024529B2 (en) 2011-05-12 2015-05-05 Ledengin, Inc. Tuning of emitter with multiple LEDs to a single color bin
US9743485B2 (en) 2013-01-31 2017-08-22 Tridonic Gmbh & Co Kg Device for operating LEDs
US10575374B2 (en) 2018-03-09 2020-02-25 Ledengin, Inc. Package for flip-chip LEDs with close spacing of LED chips

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