WO2010121925A1 - Dispositif d'éclairage doté d'une fonction d'éclairage variable dans le temps - Google Patents

Dispositif d'éclairage doté d'une fonction d'éclairage variable dans le temps Download PDF

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Publication number
WO2010121925A1
WO2010121925A1 PCT/EP2010/054819 EP2010054819W WO2010121925A1 WO 2010121925 A1 WO2010121925 A1 WO 2010121925A1 EP 2010054819 W EP2010054819 W EP 2010054819W WO 2010121925 A1 WO2010121925 A1 WO 2010121925A1
Authority
WO
WIPO (PCT)
Prior art keywords
lighting device
lighting
function
time
interruption
Prior art date
Application number
PCT/EP2010/054819
Other languages
German (de)
English (en)
Inventor
Thomas Schmacht
Original Assignee
Osram Gesellschaft mit beschränkter Haftung
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 Osram Gesellschaft mit beschränkter Haftung filed Critical Osram Gesellschaft mit beschränkter Haftung
Publication of WO2010121925A1 publication Critical patent/WO2010121925A1/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
    • 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]
    • H05B45/30—Driver circuits
    • H05B45/357—Driver circuits specially adapted for retrofit LED light sources
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
    • Y02B20/30—Semiconductor lamps, e.g. solid state lamps [SSL] light emitting diodes [LED] or organic LED [OLED]

Definitions

  • the invention relates to a lighting device with a time-varying lighting function.
  • the invention also relates to a method for operating a lighting device.
  • Lighting devices often have time-varying lighting functions, i.
  • the light emitted by the lighting device is changed in its properties, for example, the color, the brightness or the color temperature of white light, with the passage of time. Depending on the application, this can be done selectively or according to a random or pseudo-random principle.
  • LEDs light emitting diodes
  • control devices are often used which make it possible, for example, to set a desired color or brightness precisely or to display a defined sequence of colors and / or brightnesses.
  • To operate the control devices and thus the lighting device are usually complex controls required borrowed.
  • the control device must be constantly in standby, which requires a high energy demand.
  • retrofit lamps i. Lamps that are provided to replace conventional incandescent lamps, is also in the lamp no room for a complex control device and / or controls. These lamps are usually used in luminaires which are connected to the general power supply by means of a simple switch which establishes or interrupts the current flow for switching the lighting on or off. Thus, after interrupting the power supply for a control unit no more energy available.
  • the object of the present invention is to provide a lighting device with a time-varying lighting function, in which the lighting function can be influenced by means of simple means. It is furthermore an object of the invention with regard to the method for operating a lighting device to provide a method with which in a simple manner ne lighting function of the lighting device can be influenced.
  • the power supply ie shorter than 2 s, preferably shorter than 1 s, is interrupted, without providing independent controls for it.
  • the duration of the interruption must be longer than 25 ms, preferably longer than 50 ms, to trigger a change in the lighting function.
  • the temporally variable illumination function comprises a temporally successive emission of light having at least two different wavelengths, it is possible to realize illumination in temporally successive different colors.
  • a temporal successive emission of white light having at least two different color temperatures comprises, it is possible to realize a lighting in temporally successive different color temperatures.
  • the time-varying illumination function comprises a temporally successive emission of light with at least two different intensities, it is possible to realize a dimmable illumination.
  • the lighting function can be switched over by means of the brief interruption of the power supply from a time-varying lighting function to a lighting function that is constant over time, in particular into the lighting function present at the time of the interruption.
  • a desired illumination state for example a specific color, color temperature and / or brightness
  • embodiments are also conceivable in which switching from an arbitrary state at the time of triggering to a defined state which did not exist when triggered, for example from a color to white light or from a dimmed state to full brightness.
  • the lighting device is switchable in a fixed illumination function by means of a second short-term interruption of the power supply of the temporally constant lighting function in a time-varying lighting function.
  • a return to the original or another, temporally verander borrowed, operating mode take place.
  • the lighting device comprises at least one short-term energy store, in particular a capacitor.
  • the lighting device comprises at least one microprocessor.
  • the detection of the supply voltage as well as the control of the lighting function are also possible.
  • LED retrofit lamps often already have a microprocessor, so that a function according to the invention can be integrated without much effort.
  • the existing before the interruption of the power lighting function can be restored.
  • the lighting device is turned off in a targeted manner, it is ensured that no renewed setting of the desired lighting function, that is, for example, a preferred color or brightness level, has to be performed after switching on.
  • Any interruption that exceeds a predetermined limit, in particular 2 s, preferably 1 s, is regarded as longer.
  • any interruption is considered to be a prolonged interruption in which the microprocessor no longer has enough power available for its operation, particularly to detect a reconnection of the supply voltage.
  • the object is achieved by influencing the lighting function by means of a brief actuation of an external operating element, in particular a switch for interrupting the power supply.
  • an external operating element in particular a switch for interrupting the power supply.
  • the time-varying illumination function comprises a temporally successive emission of light with at least two different wavelengths. This makes it possible with simple means to realize a lighting in different colors.
  • the temporally variable illumination function to include a temporally successive emission of light with at least two different intensities. This makes it possible to realize a dimmable lighting.
  • the time-varying illumination function comprises a time-sequential emission of white light with at least two different color temperatures.
  • the color temperature of the lighting can be adjusted by simple means. It is expedient if the lighting function is switched by means of the temporary interruption of the power supply from a time-varying lighting function into a temporally constant lighting function, in particular in the present at the time of interruption lighting function.
  • a desired illumination state for example a specific color and / or brightness
  • this position can be maintained.
  • an arbitrary state at the time of triggering switches to a defined state which did not exist when triggered, for example from a color to white light or from a dimmed state to full brightness.
  • FIG. 1 shows a LED retrofit lamp as an example of a lighting device according to the invention
  • Fig. 3 is a graph of voltage waveforms in a long-lasting interruption of the supply voltage of the lighting device. Preferred embodiment of the invention
  • LED retrofit lamp 1 as an example of a lighting device 1 according to the invention.
  • lighting devices 1 which are preferably used as a replacement for conventional incandescent lamps and therefore with a standard socket 2, here a so-called E27 screw base 2, and often a bulb 3 are provided
  • LEDs 4 serve as a light source.
  • RGB diode 4 i. it is possible to generate light in the red (R), green (G) and blue (B) range and also any mixtures thereof, in particular white light.
  • Such retrofit lamps 1 are like the so-called
  • Effect lighting used i. They radiate in a specific color or permanently changing color, so as to create a pleasant for the operator mood.
  • a microprocessor 5 For driving the LED 4, a microprocessor 5 is provided, which is supplied by means of an AC / DC converter 6 with voltage. Furthermore, an input 7 of the microprocessor 5 is connected to the supply voltage U Net z.
  • the AC / DC converter 6 comprises a capacitor 8, which essentially serves for smoothing the output voltage UD C during normal operation.
  • FIG. 2 plots a time profile of a supply voltage U Net z of the lighting device 1, the output voltage U D c of the AC / DC converter 6, and the state of the lighting function over time t.
  • the color change operation of the LED 4 is referred to as a function Fl, ie, an operating mode in which the color emitted by the lighting device 1 is determined according to FIG a predetermined sequence by varying the intensity of the individual colors of the RGB LED 4 is varied.
  • the capacitor 8 of the AC / DC converter 6 serves as an energy storage 6 and thus ensures that the microprocessor 5 continues to supply the voltage U D c can be and continue to operate.
  • the LED 4 is disabled immediately to save energy.
  • either the capacitor 8 can be designed with a smaller capacity or, for a given capacity, the microprocessor 5 can be operated longer.
  • the supply voltage U Net z is at input 7 again detected, so that the micro- processor 5 recognizes that only a brief voltage interruption is present and a function change to a function F2 it is asked for.
  • the function F2 means that the lighting device 1 continues to illuminate with the color with which it was operated at the time when the supply voltage U Net Z was switched off.
  • a minimum time t min is determined for the detection of a desired interruption.
  • a time of more than 25 ms, particularly preferably more than 50 ms has proved to be advantageous.
  • the time t max is chosen so that on the one hand an operator easily the double circuit on the other hand, the capacity of the capacitor 8 must not be designed to be too large, as this would lead to space problems and increase the manufacturing cost.
  • FIG. 3 shows the variables shown in FIG. 2 for the case in which the supply voltage U Net Z is permanently interrupted, for example by means of a light switch or by a power failure.
  • a different temporally variable light function may also be present.
  • a change in intensity can be made.
  • individual colors are emitted for a predefined time in order then suddenly to change to a distinctly different color, which allows the operator to select a very specific color very reliably.
  • switch from one color to the next by the brief interruption of the current signal or to switch between two different color gradients, which differ, for example, by a different speed of the color change.
  • the existing in the state of delivery light function is activated again.
  • the construction of the lighting device 1 may differ from that shown.
  • the lighting device 1 does not necessarily have to be designed as a retrofit lamp 1, even if the advantages of the invention are particularly effective here.
  • other base and / or piston forms can be used.
  • LEDs 4 of other or additional colors such as, for example, amber or white
  • organic light-emitting diodes instead of the LED 4, other light sources, such as discharge lamps are possibly conceivable, but is particularly well suited for use in a lighting device according to the invention in LEDs due to the fast response and low power consumption.

Landscapes

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

Abstract

L'invention concerne un dispositif d'éclairage doté d'une fonction d'éclairage variable dans le temps, ainsi qu'un procédé permettant de faire fonctionner un dispositif d'éclairage. Selon l'invention, des moyens (5) servent à détecter une tension d'alimentation UNetz du dispositif d'éclairage, et des moyens (5) servent à agir sur la fonction d'éclairage par une brève coupure de la tension d'alimentation UNetz. On agit sur la fonction d'éclairage au moyen d'un bref actionnement d'un élément de commande externe, notamment d'un interrupteur coupant l'alimentation en courant.
PCT/EP2010/054819 2009-04-24 2010-04-13 Dispositif d'éclairage doté d'une fonction d'éclairage variable dans le temps WO2010121925A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102009018868.1 2009-04-24
DE102009018868.1A DE102009018868B4 (de) 2009-04-24 2009-04-24 LED-Retrofit-Lampe und Verfahren zum Betrieb einer LED-Retrofit-Lampe

Publications (1)

Publication Number Publication Date
WO2010121925A1 true WO2010121925A1 (fr) 2010-10-28

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2010/054819 WO2010121925A1 (fr) 2009-04-24 2010-04-13 Dispositif d'éclairage doté d'une fonction d'éclairage variable dans le temps

Country Status (3)

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DE (1) DE102009018868B4 (fr)
TW (1) TW201042193A (fr)
WO (1) WO2010121925A1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102010031016A1 (de) 2010-07-06 2012-01-26 Tridonic Gmbh & Co Kg Steuerung von Betriebsparametern von Betriebsgeräten für LED
GB2498371B (en) * 2012-01-12 2016-09-14 Tridonic Gmbh & Co Kg Lamp controller

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20040164688A1 (en) * 2001-06-28 2004-08-26 Paul Van Tichelen Method and devices for controlling loads connected to a power line
WO2006133272A2 (fr) * 2005-06-06 2006-12-14 Color Kinetics Incorporated Procedes et appareil pour la mise en oeuvre de commande de cycle de puissance de dispositifs d'eclairage basee sur des protocoles de reseau
US20080024070A1 (en) * 2003-11-04 2008-01-31 Anthony Catalano Light Emitting Diode Replacement Lamp
US20090195189A1 (en) * 2007-01-26 2009-08-06 I2Systems Tri-light

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5477113A (en) * 1994-09-30 1995-12-19 Toroid Hong Kong Limited Apparatus for applying a variable voltage to an electric load
DE19627607A1 (de) * 1996-07-09 1998-01-15 Rudolf Schmidt Vorrichtung zum Steuern der Intensität des von einem Beleuchtungselement einer Beleuchtungsanlage, insbesondere Taschenlampe abgegebenen Lichts
GB2334832A (en) * 1998-02-28 1999-09-01 Desmond Charles Drummond Controlling secondary lighting; night lights
AU2004222860B2 (en) * 2003-10-28 2010-02-18 Pentair Pool Products, Inc. Microprocessor controlled time domain switching of color-changing lights
US7559663B2 (en) * 2004-11-29 2009-07-14 Wai Kai Wong Lighting device

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20040164688A1 (en) * 2001-06-28 2004-08-26 Paul Van Tichelen Method and devices for controlling loads connected to a power line
US20080024070A1 (en) * 2003-11-04 2008-01-31 Anthony Catalano Light Emitting Diode Replacement Lamp
WO2006133272A2 (fr) * 2005-06-06 2006-12-14 Color Kinetics Incorporated Procedes et appareil pour la mise en oeuvre de commande de cycle de puissance de dispositifs d'eclairage basee sur des protocoles de reseau
US20090195189A1 (en) * 2007-01-26 2009-08-06 I2Systems Tri-light

Also Published As

Publication number Publication date
DE102009018868B4 (de) 2024-04-25
TW201042193A (en) 2010-12-01
DE102009018868A1 (de) 2010-10-28

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