EP2614688B1 - Système d'éclairage énergétiquement efficace - Google Patents

Système d'éclairage énergétiquement efficace Download PDF

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Publication number
EP2614688B1
EP2614688B1 EP11767184.2A EP11767184A EP2614688B1 EP 2614688 B1 EP2614688 B1 EP 2614688B1 EP 11767184 A EP11767184 A EP 11767184A EP 2614688 B1 EP2614688 B1 EP 2614688B1
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European Patent Office
Prior art keywords
light source
energy
light
operating device
source
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EP11767184.2A
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German (de)
English (en)
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EP2614688A1 (fr
Inventor
Christian Nesensohn
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Tridonic GmbH and Co KG
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Tridonic GmbH and Co KG
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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
    • H05B47/00—Circuit arrangements for operating light sources in general, i.e. where the type of light source is not relevant
    • H05B47/20—Responsive to malfunctions or to light source life; for protection
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S9/00—Lighting devices with a built-in power supply; Systems employing lighting devices with a built-in power supply
    • F21S9/02—Lighting devices with a built-in power supply; Systems employing lighting devices with a built-in power supply the power supply being a battery or accumulator
    • F21S9/03—Lighting devices with a built-in power supply; Systems employing lighting devices with a built-in power supply the power supply being a battery or accumulator rechargeable by exposure to light
    • F21S9/037—Lighting devices with a built-in power supply; Systems employing lighting devices with a built-in power supply the power supply being a battery or accumulator rechargeable by exposure to light the solar unit and the lighting unit being located within or on the same housing
    • 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
    • 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
    • H05B47/105—Controlling the light source in response to determined parameters
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
    • F21Y2101/00—Point-like light sources
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
    • F21Y2103/00—Elongate light sources, e.g. fluorescent tubes
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
    • F21Y2113/00—Combination of light sources
    • F21Y2113/10—Combination of light sources of different colours
    • F21Y2113/13—Combination of light sources of different colours comprising an assembly of point-like light sources
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
    • F21Y2115/00—Light-generating elements of semiconductor light sources
    • F21Y2115/10—Light-emitting diodes [LED]

Definitions

  • the light sources used in lighting systems are supplied via operating devices with the appropriate operating voltage or suitable operating current.
  • the operating devices generate the operating voltage or the current from the AC mains or from a DC voltage source.
  • the individual operating devices can be controlled from a control center via a bus.
  • each operating device is often at least one control IC included, which is responsible for the control in addition to the communication with the center and with external sensors, etc.
  • Active semiconductor ICs operate with a low voltage of a few volts. This low-voltage voltage is often removed in stationary operation clocked modules.
  • start-up voltage a so-called "start-up voltage” must be present, which, for example, allows the control IC to be booted up in the operating device, so that it can then, for example, control the clocked modules.
  • start-up voltage a so-called "start-up voltage” for the control ICs, the operating devices remain in bus-controlled lighting systems so far in the inactive state, ie when the light sources to be supplied by them are switched off, connected to the AC mains (if the starting energy, for example, via a so-called. Starting resistance is obtained), with the result that corresponding standby losses incurred.
  • US 2009/029503 A1 discloses a method and apparatus of the prior art.
  • the invention has for its object to provide a method for improving the energy efficiency of at least one light source having lighting system of the type described above, as well as a suitably designed lighting system.
  • the solution for the method is the subject of independent claim 1, and the solution for the lighting system is characterized by the combination of features of independent claim 11.
  • the central idea of the two solutions is to photovoltaically convert the unused light of the light sources or the natural and / or artificial ambient light (sun, other artificial light sources, .7) into electrical energy and utilize this as additional energy for the operation of the light sources.
  • This idea becomes important when the light sources are supplied with operating voltage by bus-compatible operating devices. Namely, the photovoltaically generated additional electric power can be used to obtain the starting voltage necessary for a control IC, so that at least part of them can be disconnected from the network by a plurality of operating devices of the lighting system when they are put in the inactive state via the bus.
  • light not used for illumination purposes means that portion of the light emitted by the light source which, for example, is not used for illumination purposes due to its emission direction, and for example otherwise Components of the lamp would be absorbed and thus would represent power loss.
  • the second light source can then be completely disconnected from its external energy source in the inactive state.
  • At least one photovoltaic element can be used to obtain the additional energy.
  • the at least one photovoltaic element is suitably arranged at a position of the reflector where the photovoltaic element is best irradiated with direct or indirect light source or other light source or ambient light .
  • the outside of the reflector is particularly suitable.
  • a light source suitable for the purpose provided here can be, for example, an LED or a combination of differently colored LEDs or a gas discharge lamp.
  • the additional energy gained by photovoltaic energy conversion can be stored in a memory. This is u.a. a simple capacitor.
  • a photovoltaic element used for energy conversion can take on additional functions in lighting systems of the type considered here, such as ambient light sensor, as a motion detector, as a control for dimming the associated light source, and as an actual value sensor in a control circuit for controlling the from the light source radiated light and the ambient light composite total brightness.
  • a common low-voltage energy storage is provided for a plurality of light sources or for their operating devices of a lighting system. This stores the energy gained through photovoltaic energy conversion.
  • external energy can be supplied by connecting to an external energy source (mains). All operating devices should also be able to work without the external power source (mains). The operating energy within each operating device should only be taken from the common low-voltage energy storage.
  • the single FIGURE shows a schematic section through a lamp with a gas discharge lamp (fluorescent tube) as a light source and the relevant components of the associated operating device.
  • a gas discharge lamp fluorescent tube
  • the lamp 1 consists of a control gear 2, which supplies a light source 3 in the form of a fluorescent tube with electrical operating energy. Meanwhile, the invention also relates to operating devices, for example, for halogen lamps, white or colored LEDs or OLEDs, etc.
  • the lamp 1 belongs in the example shown to a lighting system with several such lights, which are not shown. All lights can be controlled by a common bus and powered by a common power line with external energy.
  • the operating device 2 includes an electronic switch 7, via which the operating device 2 can be connected to the mains line.
  • the operating device 2 includes a lamp voltage generator which generates a high-frequency high voltage for the light source 3 from the mains voltage.
  • the lamp voltage generator 8 can be activated or deactivated by a control IC 9 contained in the operating device 2 and optionally dimmed.
  • the corresponding control commands are supplied to the control ICs from an external center via the bus.
  • the at least one control IC 9 In order for the at least one control IC 9 to be able to react immediately upon the arrival of a control command, they require a starting voltage of a low-voltage voltage, which they draw from a low-voltage generator 10. This normally generates the starting voltage from the mains voltage. For this he must be permanently connected to the network. This in turn means that corresponding standby losses have to be accepted.
  • the low-voltage generator draws its energy from two photovoltaic memories 11a, 11b, which in turn are connected to the photovoltaic elements 5b, 5b via the electrical plug-in connections 6a, 6b.
  • the photovoltaic memories 11a, 11b are, for example, capacitors, but other energy stores such as rechargeable batteries can also be used.
  • the photovoltaic elements 5a, 5b convert to them falling light in additional electrical energy for the operating device 2 and the light source 3 to. This is reflected, ie indirect light of the light source 3, to direct or indirect light of the adjacent light sources or ambient light. Instead of the light source 3 but also other light source such as LED can be used.
  • the low-voltage generator 10 can be disconnected from the mains by means of the switch 7 when the lamp voltage generator 8 is switched inactive via the bus from the center. Then, when the command comes to reactivate the lamp voltage generator 8, the control ICs can start immediately because the low voltage generator 10 is supplied with additional power from the photovoltaic memories 11a, 11b. This may require the photovoltaic elements 5a, 5b to be irradiated with light at the time of the arrival of the turn-on command.
  • the energy stored by the photovoltaic memories 11a, 11b at the time of arrival of the turn-on command can also be directly used to provide the start-up power , without at this moment a light irradiation on the photovoltaic elements 5a, 5b must be required.
  • the energy generated by the photovoltaic elements 5a, 5b or the energy stored by the photovoltaic memories 11a, 11b can also be used for feeding the Light source 3, so for example for the supply of the lamp voltage generator 8, are used.
  • the feeding of the light source can also be effected by a mixed feed operation by means of feeding from the grid and from the energy of the photovoltaic elements 5a, 5b.
  • the stored energy in the photovoltaic memory 11a, 11b for example, also time-controlled or depending on information, such as a control command received from the outside or information about the power supply such as energy cost information, can be used to power the light source 3.
  • the energy stored in the photovoltaic memory 11a, 11b can also be used, for example, in the event of a mains voltage failure for emergency lighting, in which case the energy stored in the photovoltaic storage 11a, 11b for the operation of a connected light source (for example by feeding the lamp voltage generator 8) is used.
  • a connected light source for example by feeding the lamp voltage generator 8.
  • the said possibilities of using an at least partial supply of the light source by the photovoltaic elements 5a, 5b or also the use for emergency lighting can be advantageous, for example, in the case of an LED lighting system.
  • each case two lights of a lighting system formed by a plurality of lights are operated in a "master / slave" relationship.
  • one of the two lights is permanently connected to the network, while the other light is disconnected by the switch 7 from the network when both lights are switched inactive together via the bus. If then the two lights over the Bus is returned to the command for activating the lamp voltage generators 8, the light source 3 of the "master” light immediately lights up, the low-voltage generator 10 of this lamp draws its energy from the network.
  • the "slave” light - despite the appropriate command - only correctly activated when the light of the "master” light falls on the photovoltaic elements 5a, 5b of the "slave” light, so that then the corresponding starting energy for the control -ICs 9 in the operating device 2 of the "slave” light is available. Then, the control ICs 9 of the "slave” light can close the switch 7 again, with the result that the lamp voltage generator 8 starts and supplies the light source 3 with operating energy.
  • the photovoltaic elements 5a, 5b can be removed, which is very easy because of the connectors 6a, 6b.
  • the switch 7 and the connection between the low-voltage generator 10 and the network are permanently unnecessary.
  • the luminaire may be used and programmed in any combination with others. The ultimate goal is to minimize or even prevent standby losses.
  • the photovoltaic elements 5 a, 5 b can additionally assume other functions, for example as an ambient light sensor, as a motion detector, as a control for dimming the associated light source and as an actual value sensor in a control loop for controlling the composite of the light emitted from the light source and the ambient light total brightness.

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  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Circuit Arrangement For Electric Light Sources In General (AREA)

Claims (15)

  1. Procédé d'exploitation d'une installation d'éclairage comprenant au moins une source de lumière (3),
    • l'au moins une source de lumière (3) pouvant être reliée, pour l'alimentation en courant par l'intermédiaire d'un appareil d'exploitation (2), avec une source d'énergie électrique externe, par exemple le réseau,
    • dans lequel, à partir d'une lumière, non utilisée à des fins d'éclairage, de l'au moins une source de lumière (3) ou à partir d'une lumière ambiante naturelle et/ou artificielle, une énergie électrique supplémentaire est extraite par conversion d'énergie photovoltaïque et est introduite, pour être utilisée dans l'appareil d'exploitation (2), plus particulièrement pour l'alimentation de l'au moins une source de lumière (3) et
    • dans lequel l'utilisation comprend une activation de l'appareil d'exploitation (2).
  2. Procédé selon la revendication 1,
    dans lequel l'énergie supplémentaire extraite par conversion d'énergie sert à générer une tension d'alimentation basse qui est utilisé de préférence comme énergie de démarrage pour au moins un circuit intégré à semi-conducteur actif, c'est-à-dire alimenté par une tension.
  3. Procédé selon la revendication 1 ou 2,
    dans lequel, pour la production de l'énergie supplémentaire, au moins un élément photovoltaïque (5a, 5b) est utilisé.
  4. Procédé selon la revendication 3,
    dans lequel l'énergie supplémentaire générée par l'au moins un élément photovoltaïque (5a, 5b) est introduite dans un accumulateur d'énergie (11a, 11b), par exemple un condensateur, qui met en suite à disposition la tension d'alimentation basse.
  5. Procédé selon l'une des revendications 3 à 4,
    dans lequel l'au moins un élément photovoltaïque (5a, 5b) est également utilisé en tant que capteur de lumière ambiante ou que détecteur de mouvement.
  6. Procédé selon l'une des revendications 3 à 5,
    dans lequel une luminosité, pouvant être modifiée par variation, de l'au moins une source de lumière (3) est contrôlée par l'au moins un élément photovoltaïque (5a, 5b) en fonction d'une lumière ambiante.
  7. Procédé selon l'une des revendications 3 à 6,
    • dans lequel l'au moins un élément photovoltaïque (5a, 5b) est également utilisé en tant que capteur de valeur réelle pour une luminosité totale constituée d'une lumière ambiante et d'une lumière émise par l'au moins une source de lumière (3),
    • dans lequel une valeur réelle de la luminosité totale, déterminée par l'au moins un élément photovoltaïque (5a, 5b), est comparée avec une valeur de consigne et une différence de régulation en est déduite et
    • dans lequel la différence de régulation est utilisée dans un circuit de régulation en tant que valeur de réglage pour le réglage d'une valeur de variation pour l'au moins une source de lumière (3).
  8. Procédé selon l'une des revendications précédentes,
    • dans lequel au moins une première et une deuxième source de lumière (3) sont exploitées dans un rapport « maître/esclave », de façon à ce que l'énergie supplémentaire générée pour l'au moins une deuxième source de lumière (3) soit générée au moins partiellement à partir de la lumière de l'au moins une première source de lumière,
    • dans lequel l'au moins une première source de lumière (3) est reliée, également dans un état inactif, en tenant compte des pertes de veille, afin d'enregistrer l'énergie de démarrage, avec sa source d'énergie externe (réseau) et
    • dans lequel l'au moins une deuxième source de lumière (3) est séparée, dans l'état inactif, entièrement de sa source d'énergie externe (réseau).
  9. Dispositif d'éclairage avec :
    • au moins une source de lumière (3),
    • un appareil d'exploitation (2) pour l'au moins une source de lumière (3), qui
    - peut être relié avec une source d'énergie externe, par exemple le réseau et
    - l'au moins une source de lumière (3) est alimentée avec une énergie d'exploitation,
    • des moyens (10, 11a, 11b) pour la production, l'accumulation et la mise à disposition d'une tension d'alimentation basse pour au moins un circuit intégré à semi-conducteur (9) actif, c'est-à-dire alimentée par une tension, de l'appareil d'exploitation (2) et
    • des moyens (5a, 5b) pour la conversion photovoltaïque d'une lumière émise directement ou indirectement par l'au moins une source de lumière (3) ou une source de lumière (3) adjacente et/ou d'une lumière ambiante en énergie électrique supplémentaire,
    • l'énergie supplémentaire étant introduite dans les moyens (10) pour la production, l'accumulation et la mise à disposition de la tension d'alimentation basse.
  10. Dispositif d'éclairage selon la revendication 9,
    • avec des moyens pour l'activation ou la désactivation de l'appareil d'exploitation (2) et
    • avec des moyens de commutation (7) pour la connexion ou la déconnexion de l'appareil d'exploitation (2) avec ou de la source d'énergie externe (réseau),
    • les moyens de commutation (7) pouvant être contrôlés par le circuit intégré à semi-conducteur (9) de l'appareil d'exploitation (2) de façon à ce que l'appareil d'exploitation (2) soit également déconnecté de la source d'énergie externe (réseau) dans le cas d'une désactivation et en outre de façon à ce que l'appareil d'exploitation (2) soit également connecté avec la source d'énergie externe (réseau) dans le cas d'une activation, si, pour le circuit intégré à semi-conducteurs (9) de l'appareil d'exploitation (2), une énergie électrique supplémentaire est disponible et
    • la connexion entre l'appareil d'exploitation (2) et la source d'énergie externe (réseau) étant maintenue durablement si pour le circuit intégré à semi-conducteurs (8) de l'appareil d'exploitation (2), une énergie supplémentaire n'est pas constamment disponible.
  11. Dispositif d'éclairage selon la revendication 9 ou 10,
    les moyens (11a, 11b) pour l'accumulation de la tension d'alimentation basse étant constitués d'un condensateur.
  12. Dispositif d'éclairage selon l'une des revendications 10 à 12,
    les moyens (5a, 5b) de conversion d'énergie photovoltaïque étant constitués d'au moins un élément photovoltaïque (5a, 5b).
  13. Dispositif d'éclairage selon la revendication 12,
    • l'au moins une source de lumière (3) étant entourée d'un réflecteur (4a, 4b) et
    • l'au moins un élément photovoltaïque (5a, 5b) étant disposé à l'extérieur sur le réflecteur (4a, 4b).
  14. Dispositif d'éclairage selon l'une des revendications 9 à 13,
    l'au moins une source de lumière (3) étant constituée d'une lampe à décharge de gaz, d'une LED ou d'une combinaison de plusieurs LED de différentes couleurs.
  15. Dispositif d'éclairage selon l'une des revendications 9 à 14,
    • avec plusieurs sources de lumière (3),
    • un accumulateur d'énergie (11a, 11b) commun pour les plusieurs sources de lumière (3) étant prévu.
EP11767184.2A 2010-09-08 2011-08-29 Système d'éclairage énergétiquement efficace Active EP2614688B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102010040398A DE102010040398A1 (de) 2010-09-08 2010-09-08 Verbesserung der Energie-Effizienz einer mindestens eine Lichtquelle aufweisenden Beleuchtungsanlage sowie entsprechende Beleuchtungsanlage
PCT/EP2011/064809 WO2012031927A1 (fr) 2010-09-08 2011-08-29 Système d'éclairage énergétiquement efficace

Publications (2)

Publication Number Publication Date
EP2614688A1 EP2614688A1 (fr) 2013-07-17
EP2614688B1 true EP2614688B1 (fr) 2017-01-04

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US (1) US9192020B2 (fr)
EP (1) EP2614688B1 (fr)
DE (2) DE102010040398A1 (fr)
WO (1) WO2012031927A1 (fr)

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Publication number Publication date
DE112011102985A5 (de) 2013-07-25
US9192020B2 (en) 2015-11-17
WO2012031927A1 (fr) 2012-03-15
EP2614688A1 (fr) 2013-07-17
US20130193854A1 (en) 2013-08-01
DE102010040398A1 (de) 2012-03-08

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