EP3305024B1 - Lampe à intensité variable, agencement de circuit ainsi que système d'éclairage - Google Patents

Lampe à intensité variable, agencement de circuit ainsi que système d'éclairage Download PDF

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Publication number
EP3305024B1
EP3305024B1 EP16728594.9A EP16728594A EP3305024B1 EP 3305024 B1 EP3305024 B1 EP 3305024B1 EP 16728594 A EP16728594 A EP 16728594A EP 3305024 B1 EP3305024 B1 EP 3305024B1
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EP
European Patent Office
Prior art keywords
voltage
dimming
lamp
circuit
time period
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EP16728594.9A
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German (de)
English (en)
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EP3305024A1 (fr
Inventor
Alexander Mair
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Lunatone Industrielle Elektronik GmbH
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Lunatone Industrielle Elektronik GmbH
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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
    • H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
    • H05B45/10—Controlling the intensity 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
    • 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
    • H05B47/185—Controlling the light source by remote control via power line carrier transmission

Definitions

  • the invention relates to a dimmable lamp, a circuit arrangement for the dimmable power supply of at least one lamp operated with direct voltage / current from an alternating current network and a lighting system comprising a power switch and a) a lamp according to the invention connected in series with the power switch or b) one in series
  • the circuit arrangement according to the invention switched to the power switch and which supplies at least one dimmable lamp.
  • the document US 2013/0334980 A1 discloses a dimmable lamp. If the mains voltage is not present for a definable first period of time, a dimming process is initiated. The dimming process ends when the mains voltage is subsequently present, whereby the dimming value last reached in the dimming process is retained.
  • WO 2013/090954 A1 a circuit arrangement has become known in which a lamp can be dimmed using a button, the state of the button being detected and being used as "switching information" to determine the dimming state of the lamp.
  • the circuit device is according to said WO 2013/090954 A1 designed for activation by means of a button to which a diode is connected in parallel, whereby the respective button can only interrupt a half-wave of a mains period of the energy supply from an alternating current network.
  • the construction of this circuit arrangement is complicated and expensive and not suitable for control by conventional power switches.
  • One object of the invention is therefore to create a dimmable lamp which can be controlled in a simple manner by a conventional mains switch, the lamp being intended to be insensitive to mains fluctuations and mains errors.
  • the invention it is possible to reliably recognize switching signals or switching information as such and to largely exclude accidental confusion with normal mains fluctuations as a trigger for initiating and carrying out a dimming process, since the dimming process only takes place after a certain period of time in which no voltage or voltage is present. a current is started at the lamp cap and only for the further duration of the non-presence of a voltage or a Stromes is continued.
  • the lamp or the circuit arrangement has at least one energy store which is set up to supply the at least one luminous means.
  • the energy store for supplying the at least one light source and one or more other energy stores for supplying the required remaining components, such as those of the detector circuit, the dimming signal generating circuit and the control circuit during the period in which no one is present Voltage and / or a current can be provided on the lamp base.
  • the expression, according to which "the energy store is set up for the interim energy supply of the lamp, the detector circuit, the dimming signal generating circuit and the control circuit during the period in which there is no voltage and / or current at the lamp base" is therefore to be understood as that one, two or more energy stores fulfill this function.
  • a plurality of energy stores that are connected to one another or that are separate could also form a common energy store or be understood as such.
  • the dimmable lamp according to the invention has an energy store, in particular a rechargeable battery, which takes over the supply of the lighting means, while the switching or dimming information is transmitted to the lamp, which is on the part of the lamp is only accepted when there is no mains voltage supply.
  • Any base or sockets can be provided as lamp bases or sockets.
  • Edison sockets or sockets in particular for example E27 sockets or sockets, may be mentioned by way of example and not by way of limitation.
  • the detector circuit and the dimming signal generating circuit can preferably also be supplied via the direct voltage branch.
  • the expression "duration of the non-presence" of a voltage or a current is understood to mean the duration in which the Voltage or current is not present continuously, i.e. without an interim interruption. An interim presence of a voltage or a current leads to a “restart” or resetting of the duration of the non-presence, which is measured starting from the last end of the presence of a voltage or a current.
  • the dimming process can be specified by the dimming signal generating circuit or the associated dimming signal, in particular its course can be determined. Logically, the dimming process will be ended when there is voltage or current at the lamp base if the dimming process has not already led to a complete dimming of the lamp, that is to say the lamp or the lighting means still emit at least a residual amount of light.
  • the lamp and the circuit arrangement according to the present invention can of course also be set up to use the switching information received by the mains switch to determine further parameters such as e.g. the color of the emitted light and / or its color temperature.
  • further parameters such as e.g. the color of the emitted light and / or its color temperature.
  • a large number of switching patterns can be provided, which can be recognized by the lamp or the circuit arrangement or their components, in particular the detector circuit and / or the dimming signal generating circuit, and can be used to specify certain light parameters.
  • the capacity of the energy store is selected so that the energy supply of the lighting means, the detector circuit, the dimming signal generating circuit and the control circuit is possible for at least two, in particular at least 5 seconds.
  • the energy store can be selected so that the energy store allows at least 7, 8, 9 or at least 10 seconds for the energy store to last. In some cases, however, a supply for 1 second can be sufficient.
  • supply for at least a period of time, e.g. at least one second means that the lamp or the circuit arrangement can be in full operation, i.e. the illuminants shine with 100% of their luminosity.
  • the first period of time until the start of a dimming action is 400 ms.
  • the first time period is in the range between 200 and 800 ms, in particular between 300 and 600 ms.
  • the lamp has a measuring device for measuring the impedance applied externally to the base, in particular a network impedance. Can be used as a parameter for grid impedance to check whether the power switch is on or off.
  • the lamp is set up or “the circuit arrangement is set up” means that the individual components of the lamp or the circuit arrangement, for example the measuring device, detector circuit or the dimming signal generating circuit etc., are set up for the purpose mentioned below could be.
  • the definable first time period is only 50 ms. In general, it can be provided that the first time period is between 30 and 200 ms.
  • the lamp in particular the dimming signal generating device, is set up to allow the dimming process only during the period in which the absence of a voltage or a current is detected at the lamp base.
  • a Control electronics can be provided which only accept or allow a change in the light level when there is no mains voltage.
  • the definable first time period can, for example, be in the range between 200 and 800 ms and in particular be 400 or 500 ms. If the voltage or current is still applied to the lamp base after the second definable period of time has elapsed, the last dimming value reached is retained or saved.
  • the energy store, the DC voltage module, the detector circuit and the dimming signal generation circuit are at least partially, preferably completely, housed within the lamp base and the at least one illuminant is enclosed by a translucent glass body.
  • the energy store is an accumulator or a capacitor.
  • a resistance device in particular a PTC resistor, is connected between the energy store and the at least one lighting means, the ohmic resistance of which increases as the current flow through the resistance device continues to the lighting means to limit the Current flow increased.
  • the current flow can, for example, decrease by approx. 20% per second.
  • the at least one lighting means comprises at least one LED.
  • the dimming signal generating circuit or the control circuit is set up to control the dimming process in such a way that the speed of the dimming process is limited in such a way that the perceptible brightness changes reduced by a maximum of 50% within the first second of the dimming process.
  • perceptible brightness is understood to mean the brightness perceived by the human eye.
  • the lamp In order to be able to compensate for any voltage change that occurs when the energy store is discharged, provision can be made for the lamp to have an electronic circuit, in particular a step-up converter for converting the voltage of the energy store.
  • the lamp has a plurality of lighting means
  • the control circuit is set up to control the lighting means individually.
  • the energy consumption of the lamp or the amount of light emitted by the lamp can be controlled in a simple manner. It is also possible in this way to adapt the lamp to the supply by means of a certain voltage level, which, for example, can be variable.
  • a plurality is understood to mean a number of at least three, four, five or more.
  • the energy store, the control circuit, the dimming signal generating circuit and / or the at least one lighting means are designed in such a way that the lamp is switched off during a dimming process for a period of at least 2s, preferably at least 5s, particularly preferably at least 10s can take care of yourself.
  • the circuit arrangement has no lighting means, but rather is set up to supply external lighting means.
  • the respective circuit arrangement is set up for supplying lighting means with a specific electrical power, the energy store also being designed so that the power or lighting means provided for the respective circuit arrangement can be supplied by according to the claims.
  • the circuit arrangement therefore relates to the same invention as the lamp and also shares essential features therewith.
  • the aforementioned advantages, technical effects of the respective features as well as alternative or preferred configurations of the features common to the lamp according to the invention therefore apply in the same way with regard to the circuit arrangements - unless stated otherwise.
  • the circuit arrangement can include the power switch, which, however, does not necessarily have to be part of the circuit arrangement.
  • circuit arrangements are arranged downstream of an already existing switch and, for example, form part of a ballast of a lighting means, in particular a fluorescent lamp or an LED lamp.
  • the energy store can preferably be charged through the network via the DC voltage module.
  • the capacity of the energy store is selected such that the energy supply of the illuminant that can be supplied by the circuit arrangement, the detector circuit, the dimming signal generating circuit and the control circuit is enabled for at least one second.
  • the first duration is 400 ms.
  • the circuit arrangement has a measuring device for measuring the network impedance of the alternating current network that is applied to the circuit arrangement.
  • the energy store is an accumulator or a capacitor.
  • the circuit arrangement has a resistance device, in particular a PTC resistor, which is connected downstream of the energy store in such a way that energy is supplied by the energy store to the at least one lighting means in series via the resistance device, the resistance device being designed in this way that the ohmic resistance of the resistance device increases as the current flow continues through the resistance device to the lighting means to limit the current flow.
  • a resistance device in particular a PTC resistor
  • the at least one lighting means comprises at least one LED.
  • the dimming signal generating circuit or the control circuit is set up to control the dimming process in such a way that if the power switch is in the switched-off state for less than 1 s, the decrease in the electrical power output by the circuit arrangement to the at least one lamp is a maximum of 20% or that the speed of the dimming process is limited in such a way that the perceptible brightness is reduced by a maximum of 50% within the first second of the dimming process.
  • the circuit arrangement has an electronic circuit, in particular a step-up converter for converting the voltage of the energy store.
  • control circuit is set up to control a plurality of lighting means individually.
  • the energy store, the control circuit, the dimming signal generating circuit are designed in such a way that the at least one lighting means that can be supplied by the circuit arrangement during a The dimming process can be supplied with a duration of at least 2s, preferably at least 5s, particularly preferably at least 10s.
  • Another aspect of the invention relates to a lighting system comprising a power switch as well a) a lamp according to the invention connected in series with the power switch or b) a circuit arrangement according to the invention connected in series with the power switch and at least one dimmable light source supplied by the circuit arrangement.
  • Figure 1 schematically a circuit arrangement according to the invention for the dimmable power supply of at least one lighting means 5 operated with direct voltage / current from an alternating current network N, L, the circuit arrangement only differing from the lamp in that it is not designed as an independent lamp, but with an external lighting means 5 can be connected.
  • the connections of the circuit arrangement therefore also do not necessarily have to be implemented by a lamp base, but are typically designed like conventional connections (for example screw or clamp connections), for example of a ballast.
  • a lighting means is to be operated in a dimmable manner, for which the following is provided.
  • the mains voltage arrives from the two phases N, L via a mains switch 1, which has been shown as a single pole for the sake of simplicity, via a supply line 2 to a supply control unit 3, which supplies a lighting unit 4 which contains at least one lighting means 5, for example one or multiple LEDs or an LED array.
  • the lamp 5 can also be incandescent lamps such as halogen lamps, etc. as well as OLEDs, fluorescent lamps, etc.
  • the supply and control unit 3 has a DC voltage module 6 which supplies a DC voltage UG. This DC voltage module 6 can be a simple rectifier circuit or a regulated power supply unit.
  • a DC voltage branch 7 leads to a control circuit 8, to the output of which the lighting unit 4 or the lighting means 5 are connected.
  • the energy store is dimensioned such that its capacity enables an intermittent energy supply to the illuminant, preferably for at least 1 second, particularly preferably 5 to 10 seconds.
  • the input voltage at the supply control unit 3 is fed to a detector circuit 10, which in turn controls a dimming signal generating circuit 11, this dimming signal generating circuit 11 emitting a dimming signal sD to a control input 12 of the control circuit 8.
  • the detector circuit 10 and the dimming signal generating circuit 11 are set up to determine the presence or absence of a mains voltage in the sense of the on / off state of the mains switch 1 and to emit a defined dimming signal sD depending on this and on the duration of the on / off state, as is explained in more detail below using an example.
  • the mains voltage is at the input of the detector circuit 10, but a current, for example the input current into the arrangement or the current downstream of a mains rectifier, could also be detected in order to determine the switching state of the switch 1, which is shown in FIG Fig. 1 is indicated by dashed lines.
  • the circuit arrangement shown corresponds essentially to that according to Fig. 1 , wherein the same reference numerals are used for the same parts, but some details are shown here.
  • the DC voltage model 6 is designed here, for example, as a simple rectifier, but there is a DC / DC converter in the DC voltage branch 7, for example, a step-down converter or a step-up converter 13. The appropriate choice depends on the output voltage supplied by the DC voltage module 6 on the one hand and on the required voltage of the lighting means 5 on the other hand.
  • an energy store 9 is arranged in the DC voltage branch in front of the DC / DC converter, which is designed here as a capacitor and which is also connected to the DC voltage branch 7 via a resistor R and a diode D.
  • a plurality of lighting means 5 can be provided, which can preferably be controlled individually.
  • a resistance device in particular a PTC resistor, can also be connected between the energy store 9 and the lighting means 5 in order to gradually limit the flow of current into the lighting means 5 and thus specify the course of a dimming process.
  • the control circuit 8 has a controlled transistor switch T which is controlled by the dimming signal sD, here a PWM signal, and which leads to an input of the lighting means 5, this input being connected to the positive output of the DC via a reverse-biased free-wheeling diode DR / DC converter 13 is connected, whereas the other output of the lighting means 5 is connected to the positive output of the DC / DC converter 13 via a line with an inductance L.
  • the controlled transistor switch T is thus switched to ground in the sense of the PWM signal.
  • the control signal determined by the detector circuit 10 reaches the dimming signal generating circuit 11, in which a corresponding PWM signal is generated and fed to the switch T.
  • the lighting means 5 is supplied with longer or shorter voltage or current pulses and is thus dimmed.
  • the free-wheeling diode DR can also be provided.
  • dimming can take place not only through a PWM signal that changes in the pulse duty factor, as mentioned by way of example, but also through a change in the supply voltage and / or supply current of the lighting means.
  • Fig. 3 and Fig. 4 a concrete, possible generation variant for the dimming signal SD explained, it should be noted that the Invention is not limited to this variant, which has turned out to be a user-friendly variant.
  • Fig. 3 It can be seen in which the mains voltage curve is symbolically drawn in the on state as a sinusoidal line and in the off state as a straight line, the dimming signal is at 100% when it is switched on for the first time, because this value was saved. This point in time A is drawn above the diagram. If now ⁇ T were to be switched off for only a short time ⁇ T less than the first definable time period ⁇ , one recognizes from Fig. 3 that no dimming process is initiated in this period of time less than ⁇ . Only after the point in time B + ⁇ , when the first time period ⁇ has been exceeded and the mains switch 1 is still in the off state, a falling dimming ramp is triggered, as in FIG Fig. 3 is shown from time B + ⁇ .
  • a dimming process is ended by changing the power switch 1 from the off state to the on state, it can also be determined how long the power switch is now in the on state, whereby additional light functions can be controlled. So is the embodiment according to Figure 3 provided that - if the mains switch 1 is only in the switched-on state for a certain period of time ⁇ t ⁇ b (i.e. the switched-on state is ended before the period b is reached; here at time F; the dimming level is constant between times E and F), where b is a second definable period of time, the dimming direction is reversed, ie in the present case it is now dimmed up.
  • This dimming process can also be ended by changing the power switch 1 to the on state (see time G), with the Dimming level or dimming value y is reached. The user has stopped dimming up because the lighting seemed bright enough to him.
  • this can be further activated and deactivated by briefly switching the power switch 1 off and on, in which case the period in which the power switch 1 is in the off state preferably continues to apply , has to be less than the first definable period of time, as otherwise a dimming process would be initiated.
  • Switching off at time H and after a short period of time ⁇ t less than or equal to ⁇ leads to a further constant course of the dimming level between points H and I and then to an increase to 100% of the possible luminosity up to time J.
  • the dimming level remains 100% until the point in time K, at which the user switches off the mains switch 1 for a longer period of time (the delay by the first period of time ⁇ has not been drawn in for the sake of simplicity; the dimming process is of course only initiated after the first period of time ⁇ has been exceeded ), so that a falling ramp is triggered - comparable to the ramp between points B and C - until switch 1 is switched on at time L (corresponding to the previous time C) and now the dimming level remains at a value x, this value is stored in a buffer until the next switch-off at time M.
  • This switch-off again triggers a fall de ramp, which in the present case, since the user does not intervene, goes down to 0% and remains there until time N, at which the user switches on the power switch N.
  • a programming can be provided which specifies or sets the last stored dimming value, in the present case the value x, when the mains switch 1 is switched on again after a complete dimming down. The value x can be reached suddenly. It could also be provided that a brief on / off / on leads to 100% of the light output.
  • the detector circuit and the dimming signal generating circuit are set up to initiate a dimming process, preferably with a logarithmic curve, when the power switch is switched off for longer than 400 ms and / or for a longer period to trigger a change in the dimming direction when the mains switch is switched on for more than 25 ms and / or to trigger a ramp-up of the dimming process to 100% if the mains switch is switched off for longer than 10 ms and less than 400 ms and / or at If the power switch is switched off for longer than 10 s and less than 400 ms, when the power switch is switched on again, the dimming level must be set to the value that was present and stored before it was switched off.
  • the flow chart of the Fig. 4 which is also only to be regarded as an example of an embodiment of a programming of the dimming signal generating circuit 11, is intended to illustrate the above explained even better, some of the times A to N being entered in this diagram.
  • buttons are generally found less often as an already installed controlling element of a lamp in various house installations, but mostly existing power switches would have to be replaced and also not, as in the present invention, the continuous absence of voltage, but e.g. the presence of a DC component "supply voltage "must be recorded as a parameter in order to determine whether the button is activated.

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Claims (13)

  1. Lampe à intensité variable, comportant
    - un culot de lampe (15) susceptible d'être électriquement connecté sur une tension alternative d'un réseau à tension alternative (N, L), destiné à être inséré, notamment vissé dans une douille de lampe,
    - au moins un moyen d'éclairage (5) à intensité variable, susceptible de fonctionner sur courant continu,
    - un module à tension continue (6), qui est aménagé pour transformer la tension alternative en une tension continue et la restituer à une branche de tension continue (7),
    - un circuit d'attaque (8) alimenté par la branche de tension continue (7), destiné à alimenter et à exciter l'au moins un moyen d'éclairage (5),
    - un circuit détecteur (10),
    - un circuit de génération d'un signal de variation (11) connecté sur le circuit détecteur (10), destiné à générer un signal de variation (sD) pour faire varier l'au moins un moyen d'éclairage (5), le circuit d'attaque (8) commandant l'au moins un moyen d'éclairage (5) en fonction du signal de variation (sD), ainsi
    - qu'une réserve d'énergie (9) susceptible d'être chargée au moyen du module à tension continue (6), pour assister la branche de tension continue (7), la réserve d'énergie (9) étant électriquement connectée sur la branche de tension continue (7),
    le circuit de génération d'un signal de variation (11) étant aménagé pour
    - identifier l'absence d'une tension ou d'un courant sur le culot de lampe (15) et détecter une période correspondante de l'absence,
    - lors du dépassement d'une première période (δ) définissable, induire un processus d'atténuation, et
    - poursuivre le processus d'atténuation pour la période supplémentaire, dans laquelle l'absence d'une tension ou d'un courant sur le culot de lampe (15) est constatée, et
    - constater une présence suivante d'une tension ou d'un courant sur le culot de lampe (15) et mettre fin au processus d'atténuation par maintien de la dernière valeur de variation atteinte lors du processus d'atténuation,
    la réserve d'énergie (9) étant aménagée pour l'alimentation intermédiaire en énergie du moyen d'éclairage (5), du circuit détecteur (10), du circuit de génération d'un signal de variation (11) et du circuit d'attaque (8) pendant la période de l'absence d'une tension et/ ou d'un courant sur le culot de lampe (15),
    caractérisée en ce que la lampe (14) comporte par ailleurs un dispositif de mesure destiné à mesurer l'impédance appliquée à l'extérieur au socle, notamment une impédance de réseau, la lampe (14) étant aménagée pour comparer, en l'absence d'une tension et/ ou d'un courant sur le culot de lampe (15) l'impédance mesurée appliquée à l'extérieur, notamment l'impédance de réseau, avec une valeur seuil prédéfinissable, le processus d'atténuation n'étant induit que lorsque
    - l'impédance mesurée dépasse la valeur seuil prédéfinissable et
    - la période de l'absence d'une tension et/ou d'un courant sur le culot de lampe (15) dépasse la première période (δ) définissable, la première période (δ) définissable étant de 50 ms.
  2. Lampe (14) selon la revendication 1, la capacité de la réserve d'énergie étant sélectionnée de telle sorte que l'alimentation en énergie du moyen d'éclairage (5), du circuit détecteur (10), du circuit de génération d'un signal de variation (11) et du circuit d'attaque (8) soit permise pour au moins deux secondes.
  3. Lampe (14) selon l'une quelconque des revendications précédentes, la lampe (14), notamment le système de génération d'un signal de variation (11) étant aménagé pour autoriser le processus d'atténuation exclusivement pendant la période dans laquelle l'absence d'une tension ou d'un courant sur le culot de lampe (15) est constatée.
  4. Lampe (14) selon l'une quelconque des revendications précédentes, la lampe (14), notamment le système de génération d'un signal de variation (1) étant aménagé, lorsque le processus d'atténuation a été achevé par la présence d'une tension ou d'un courant sur le culot de lampe (15)
    - pour constater la période de ladite présence d'une tension ou d'un courant sur le culot de lampe (15) et la comparer avec une deuxième période (b) définissable, et
    - si la période de ladite présence d'une tension ou d'un courant sur le culot de lampe (15) s'achève avant l'écoulement de la deuxième période (b) définissable, par l'absence suivante d'une tension ou d'un courant sur le culot de lampe (15), pour modifier le sens de la variation, de préférence la réserve d'énergie (9), le module à tension continue (6), le circuit détecteur (10) ainsi que le circuit de génération d'un signal de variation (11) étant réceptionnés au moins en partie dans le culot de lampe (15) et l'au moins un moyen d'éclairage (5) étant entouré d'un corps en verre translucide.
  5. Lampe (14) selon l'une quelconque des revendications précédentes, la réserve d'énergie (9) étant un accumulateur ou un condensateur.
  6. Lampe (14) selon l'une quelconque des revendications précédentes, entre la réserve d'énergie (9) et l'au moins un moyen d'éclairage (5) étant commuté un dispositif de résistance, notamment une résistance PTC, dont la résistance ohmique augmente au fur et à mesure de la persistance du flux de courant à travers le dispositif de résistance vers le moyen d'éclairage (5), pour limiter le flux de courant, de préférence l'au moins un moyen d'éclairage (5) comprenant au moins une LED.
  7. Lampe (14) selon l'une quelconque des revendications précédentes, le circuit de génération d'un signal de variation (11) ou le circuit d'attaque (8) étant aménagés pour commander le processus d'atténuation de sorte que la vitesse du processus d'atténuation soit limitée de manière que la luminosité perceptible se réduise d'un maximum de 50 % dans la première seconde du processus d'atténuations.
  8. Lampe (14) selon l'une quelconque des revendications précédentes, la lampe (14) comportant une multiplicité de moyens d'éclairage (5), le circuit d'attaque (8) étant aménagé pour exciter un à un les moyens d'éclairage (5).
  9. Lampe (14) selon l'une quelconque des revendications précédentes, la réserve d'énergie (9), le circuit d'attaque (8), le circuit de génération d'un signal de variation (11) et / ou l'au moins un moyen d'éclairage (5) étant conçus de telle sorte que pendant un processus d'atténuation, la lampe (14) puisse s'autoalimenter avec une période d'au moins 2 secondes, de préférence d'au moins 5 secondes, de manière particulièrement préférentielle, d'au moins 10 secondes.
  10. Agencement de circuit, destiné à l'alimentation en courant variable d'au moins un moyen d'éclairage (5) fonctionnant sur tension / courant continu(e) à partir d'un réseau de courant alternatif (N, L), comprenant
    - un module à tension continue (6), qui est aménagé pour transformer la tension alternative du réseau à tension alternative (N, L) en une tension continue (UG) et pour la restituer à une branche de tension continue (7), l'agencement de circuit, notamment le module à tension continue (6) étant susceptible d'être connecté au moyen d'un interrupteur réseau (1) sur le réseau de courant alternatif (N, L),
    - un circuit d'attaque (8) alimenté par la branche de tension continue (7), destiné à alimenter et à exciter l'au moins un moyen d'éclairage (5),
    - un circuit détecteur (10),
    - un circuit de génération d'un signal de variation (11) connecté sur le circuit détecteur (10), destiné à générer un signal de variation (sD) pour faire varier l'au moins un moyen d'éclairage (5), le circuit d'attaque (8) commandant l'au moins un moyen d'éclairage (5) en fonction du signal de variation (sD), ainsi
    - qu'une réserve d'énergie (9) susceptible d'être chargée au moyen du module à tension continue (6), pour assister la branche de tension continue (7), la réserve d'énergie (9) étant électriquement connectée sur la branche de tension continue (7),
    le circuit de génération d'un signal de variation (11) étant aménagé pour
    - constater l'état commuté/non commuté de l'interrupteur réseau (1) sur la base de la présence/ de l'absence d'une tension et / ou d'un courant provenant du réseau de courant alternatif (N, L) et détecter la période dans laquelle l'interrupteur réseau (1) se trouve dans un état non commuté,
    - lors du dépassement d'une première période (8) définissable, induire un processus d'atténuation, et
    - poursuivre le processus d'atténuation pour la période supplémentaire dans laquelle l'interrupteur réseau (1) se trouve dans l'état non commuté, et
    - identifier un changement immédiatement suivant de l'interrupteur réseau (1) dans l'état de commutation et achever le processus d'atténuation en maintenant la dernière valeur atteinte lors du processus d'atténuation,
    la réserve d'énergie (9) étant aménagée pour l'alimentation intermédiaire en énergie du moyen d'éclairage (5), du circuit détecteur (10), du circuit de génération d'un signal de variation (11) et du circuit d'attaque (8) pendant la période de l'état de non commutation de l'interrupteur réseau (1), caractérisé en ce que
    l'agencement de circuit comporte par ailleurs un dispositif de mesure, destiné à mesurer l'impédance de réseau du réseau à tension alternative (N, L) appliquée sur l'agencement de circuit, l'agencement de circuit étant aménagé pour comparer l'impédance de réseau avec une valeur seuil prédéfinissable, le processus d'atténuation n'étant induit que si
    - l'impédance mesurée dépasse la valeur seuil prédéfinissable et
    - la période de l'absence d'une tension ou d'un courant provenant du réseau de courant alternatif (N, L) dépasse la première période (8) définissable, de préférence l'agencement de circuit, notamment le système de génération d'un signal de variation (11) étant aménagé pour autoriser le processus d'atténuation exclusivement pendant la période dans laquelle l'état de non commutation de l'interrupteur réseau (1) est constaté.
  11. Agencement de circuit selon la revendication 10, la capacité de la réserve d'énergie (9) étant sélectionnée de telle sorte que l'alimentation en énergie du moyen d'éclairage (5) susceptible d'être alimenté par l'agencement de circuit, du circuit détecteur (10), du circuit de génération d'un signal de variation (11) et du circuit d'attaque (8) soit possible pour au moins une seconde.
  12. Agencement de circuit selon l'une quelconque des revendications 10 à 11,
    l'agencement de circuit, notamment le système de génération d'un signal de variation (11) étant aménagé, lorsque le processus d'atténuation a été achevé par changement de l'interrupteur réseau (1) dans l'état de commutation
    - pour constater la période dans laquelle l'interrupteur réseau (1) se trouve dans l'état de commutation et la comparer avec une deuxième période (b) définissable, et
    - pour modifier le sens de la variation si la période dans laquelle l'interrupteur réseau (1) se trouve dans l'état de commutation s'achève avant l'écoulement de la deuxième période (b) définissable, par changement suivant de l'interrupteur réseau (1) dans l'état de non commutation.
  13. Système d'éclairage, comprenant un interrupteur réseau (1) ainsi
    a) qu'une lampe (14) selon l'une quelconque des revendications 1 à 9, connectée en série par rapport à l'interrupteur réseau (1) ou
    b) un agencement de circuit selon l'une quelconque des revendications 10 à 12, connecté en série par rapport à l'interrupteur réseau (1), ainsi qu'au moins un moyen d'éclairage (5) à intensité variable, alimenté par l'agencement de circuit.
EP16728594.9A 2015-05-26 2016-05-23 Lampe à intensité variable, agencement de circuit ainsi que système d'éclairage Active EP3305024B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
AT504222015 2015-05-26
AT507612015 2015-09-04
PCT/AT2016/050154 WO2016187632A1 (fr) 2015-05-26 2016-05-23 Lampe à intensité variable, agencement de circuit ainsi que système d'éclairage

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EP3305024A1 EP3305024A1 (fr) 2018-04-11
EP3305024B1 true EP3305024B1 (fr) 2020-09-23

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