WO2011048214A1 - Betrieb einer led-leuchte mit variablem spektrum - Google Patents
Betrieb einer led-leuchte mit variablem spektrum Download PDFInfo
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- WO2011048214A1 WO2011048214A1 PCT/EP2010/065982 EP2010065982W WO2011048214A1 WO 2011048214 A1 WO2011048214 A1 WO 2011048214A1 EP 2010065982 W EP2010065982 W EP 2010065982W WO 2011048214 A1 WO2011048214 A1 WO 2011048214A1
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- Prior art keywords
- led
- light
- control unit
- led light
- change
- Prior art date
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- 238000001228 spectrum Methods 0.000 title claims abstract description 14
- 238000000034 method Methods 0.000 claims abstract description 36
- 230000008859 change Effects 0.000 claims description 41
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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
- 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
-
- 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
- H05B47/187—Controlling the light source by remote control via power line carrier transmission using power over ethernet [PoE] supplies
Definitions
- the present invention relates to a method of controlling the operation of an LED lamp and a dedicated LED lamp.
- it refers to so-called retrofit LED lights, d. H. LED lights designed to be used as replacement bulbs or low voltage or 12 volt halogen replacement lamps.
- Incandescent or halogen lamps in which the original light source is replaced by gas discharge lamps or LEDs, are becoming increasingly common and available from different manufacturers.
- the realization of a pleasant light is a particular challenge.
- a pleasant color temperature is required.
- a pleasant appearing color temperature depending on different conditions is to choose.
- a cooler light is preferred, whereas in the leisure time usually a warm color temperature is perceived as pleasant.
- a different color temperature can lead to a different color rendering. Accordingly, depending on, for example, the home furnishings, a particular color temperature may be advantageous.
- An individually adjustable color temperature is therefore to be regarded as desirable.
- the means for Power supply to the lighting consists of a wiring, the AC mains lead, and are laid in the walls and ceilings, that one finds at predetermined locations on the ceilings and walls connection options for lights.
- dimmer switches that have the same features as buttons or switches, and can additionally dim the lamp by turning the dimmer switch in a sideways direction.
- the dimming usually takes place via a change in the voltage curve (for example by means of so-called phase control or phase section) or the power.
- These dimmer switches are usually realized by electronic circuits and also include electronic switches such as Diac, triac, thyristor or MOSFETs.
- a continuous dimming of the lighting can also be made via a dimming switch, in addition to the rotatable dimmer switch another embodiment of a dimmer switch for continuous, ie stepless Brightness change represents.
- a switched off lamp is switched on by a single short press.
- this lamp can now be switched off by a single short press.
- the button is pressed longer when the lamp is switched on, the lamp will be dimmed. This means that the illuminance of the at least one connected lamp slowly but continuously decreases.
- the current dimming value is maintained. As a result of the continuous pressing of the key, the dimming value oscillates cyclically.
- such a switch can thus be considered as a user interface for the lighting system consisting of wiring and at least one light.
- the power supply unit now converts the mains AC voltage into a low-voltage DC voltage and thus supplies the one or more halogen lamps, often via exposed cables.
- the already installed switch is used again wherein also a dimmer switch for dimming the halogen lighting system can be used.
- Lamps were developed for this case, such as the "Dulux L Vario" lamp from OSRAM, which can be screwed into ordinary lamp sockets and can be operated with 230 V AC Electronics that are designed to operate the light source in different modes. The different modes correspond to different brightnesses.When the lamp is switched on for the first time or after a longer off time, it is initially operated at 20 watts.When the lamp is switched off again and within Switched on again for three seconds, it is only operated with a power of 8 W.
- a lamp such as the Osram Dulux L Vario thus allows a step-dimming, by means of a conventional light switch by switching on and off several different discrete dimming values can be set ,
- the invention is in accordance with the above-described requirements, the object to provide a method for controlling the operation of an LED light, as well as a dedicated LED light available in the or the individual settings, in particular the color temperature, are possible and still can be operated and controlled by conventional means for power supply.
- the invention thus relates to a method for controlling the operation of an LED light having a plurality of LEDs as the light source.
- the method has the following steps: the first step is an evaluation by a control unit of the LED light, in which an electrical signal generated by a switch, push-button or dimmer switch is evaluated.
- the switch, button or dimmer switch is supplied with power.
- the signal is generated by operation of the switch, button or dimmer switch by the user.
- the switch, button or dimmer switch with the control unit of the LED light is connected via an interface.
- the color spectrum of the LED light changes. This change takes place in dependence on the evaluated signal.
- the number and / or the duration of the operation of the switch, button or dimmer switch is evaluated by the control unit. Additionally or alternatively, by the control unit when using a dimmer switch the forwarded by the dimmer switch voltage or its time course can be evaluated.
- the LED light can generate white light. This can be changed depending on the evaluated signal in its color temperature. Also, depending on the evaluated signal, the color rendering index of the light of the LED light can be changed.
- At least one of the LEDs is operated PWM-modulated.
- the duty cycle of the PWM modulation can be changed depending on the evaluated signal.
- the signal is also evaluated for a brightness control of the LED light.
- the interface can be supplied with modulated mains voltage signals through a switch, pushbutton or dimmer switch.
- the mains voltage signals can for example be modulated in such a way that the mains voltage is interrupted for a certain period of time or transmitted only for a certain period of time. These periods can also be repeated several times.
- the mains voltage signals can also be modulated, for example, by applying higher-frequency signals; for example, by using a phase-angle dimmer or a phase dimmer, a voltage can be transmitted which consists of a frequency component of the normal mains voltage (for example 50 Hz) and of higher harmonics (ie, for example the third, fifth and seventh harmonics).
- the higher-frequency signals can also be generated by modulating a higher-frequency control signal (for example, by inductive coupling).
- the control unit sends commands via the same interface or possibly another interface, for example according to the DALI standard. Preferably, it can receive digital commands in the same way.
- the invention also relates to a control unit, in particular an integrated circuit such as an ASIC or a microcontroller, which are designed to implement a method as described above.
- a control unit in particular an integrated circuit such as an ASIC or a microcontroller, which are designed to implement a method as described above.
- the invention relates to an LED lamp.
- This has a supply circuit which, starting from a supply voltage, supplies a plurality of LEDs as lighting means.
- it comprises a control unit which is designed to evaluate signals which are generated starting from a user-operable and powered by an interface of the LED light with the control unit and powered switch, pushbutton or dimmer switch.
- the control unit is further designed to change the color spectrum of the LED light depending on the evaluated signal.
- control unit is designed to evaluate the number and / or the duration of the operation of the dimmer switch, switch or button.
- the LED light can produce white light and the control unit can change the color temperature of the white light depending on the signal being evaluated. It is also conceivable that the control unit can change the color rendering index of the light of the LED light depending on the evaluated signal. Preferably, the control unit alters (influences) at least one of the LEDs by means of PWM modulation. Thus, the duty cycle of the PWM modulation can be adjusted depending on the evaluated signal. Furthermore, it is conceivable that the control unit also evaluates the signal for a brightness control of the LED lamp.
- the lighting means may comprise at least one LED RGB module.
- the lighting means have at least one color-converted white LED.
- the lighting means may comprise at least one further colored LED.
- the white LED and the further colored LED are independently controllable by the control unit in terms of their intensity.
- the LED light can be designed as a retrofit lamp.
- it may have a halogen or incandescent lamp base or halogen lamp pins.
- the interface is preferably designed to receive modulated by a switch, push button or dimmer switch Net voltage signals.
- the control unit is preferably designed to set the color spectrum of the LED light, starting from the modulated mains voltage signals. Furthermore, the control unit is preferably designed via the same interface or via a further interface digital commands, for example, in accordance with the DALI standard to receive and / or send.
- the invention deals with an LED lighting system.
- This has one or more LED lights. Of these, at least one has the features described above.
- This one LED light is also connected to a dimmer switch, switch or button. This is supplied with voltage.
- the dimmer switch, switch or button starting from the LED light, in particular via the interface, or supplied from an external power source, in particular a mains voltage with voltage.
- the LED light via the switch, button or dimmer switch starting from an external power source, in particular a mains voltage, is supplied with voltage, wherein (preferably) the supply of the LED light at the same time forms the interface.
- the switch, button or dimmer switch, starting from the LED light, in particular via the interface are supplied with DC voltage.
- the color temperature of the LED lamp is changed at the same time as the brightness changes.
- the color temperature is shifted in the direction of a warmer color temperature with decreasing the brightness (light output) (or vice versa, ie at an upward dimming at the same time there is also a targeted change in the direction of a colder color temperature).
- the change in the color temperature is preferably carried out by independent control of at least two light-emitting diodes with different spectrums, such as, for example, at least one color-converted white LED and at least one monochromatic LED.
- the LED lighting system may have a central control unit. This is preferably connected to the interface, wherein the central control unit evaluates commands from the interface and controls the LED light.
- the LED lighting system may include a BUS. These are preferably the LED lights and the central control unit connected.
- the BUS may also be configured to communicate and / or power the LED lights and the central control unit.
- FIG. 1 shows a first embodiment of a
- Figure 2 shows a second embodiment of a method for individual adjustment of the invention
- FIG. 3 shows a third embodiment
- FIG. 4 a shows a fourth embodiment of the invention
- FIG. 4b shows a fifth embodiment of the invention
- FIG. 5 shows an inventive device
- FIG. 6 shows an inventive device
- Embodiment of an LED lighting system a method is shown, in which an LED light is operated via a button.
- the button has only one state, ie both for switching on and off the button is simply pressed once, preferably by means of a spring always returns to the same rest position.
- the LED lamp has an RGB module, which therefore consists of at least one red, one green and one blue LED.
- At least two LEDs with different spectrums are provided, which can be controlled independently of one another with regard to their intensity in order to produce visible mixed light with a variable spectrum (color, color temperature).
- the LED light is in the off state.
- the LED lamp in S2 lights up in a cold white, ie in a color temperature with a relatively high value, such as, for example, 7500 K. Pressing the button again switches the LED lamp off again. Remains the LED light in S3 only for a predetermined period of time t, for example, is less than 3s, off before the button is pressed again, the LED light is a warmer white. This means that now in S4 the color temperature of the emitted light has decreased, for example to a value of 3000 K. Finally, by pressing the button again, the LED light in S5 is switched off again.
- the control unit of the LED light can therefore be designed so that the LED light basically when first power after a period of time that is longer than the predetermined period of time t, for example. 30 minutes, first operated so it will glow in cool white.
- the control unit can determine by means of a timer that the LED light is now operated so that it lights up in warm white.
- the control unit for this purpose has a capacitor which is charged during the LED light, is charged, and discharges after switching off.
- the capacitor is designed so that the voltage applied to it falls below a critical value after the predetermined period.
- a digital circuit such as a counter (counter) is conceivable.
- it is basically desirable that the control unit to the last set operating mode of the LED light also stores.
- a microcontroller For time measurement, a microcontroller may be used, which is part of the control unit.
- the microcontroller has an energy buffer for this purpose. This is preferably a Electrolytic Capacitor (ELKO). This is designed to buffer the network pauses. Thus, the energy buffer can be used to count the Net zauses, ie at periods in which the LED light is turned off.
- ELKO Electrolytic Capacitor
- the change in color temperature can be realized in a simple manner. While in S2 all red, green and blue LEDs are lit to 100% of their allowable power, in S4 the brightness of the green and blue LEDs is reduced. As a result, the proportion of red in the light emitted by the LED light is increased in proportion. At the same time, the overall brightness of the LED light decreases slightly. This may be desirable after a warmer light with a lower color temperature has a relaxing effect. Accordingly, a weaker lighting is quite desirable, as this additionally a more pleasant and relaxing lighting ambience is realized.
- the red, green and blue LEDs in S2 can only be operated at 90% of their maximum permissible power, and in S4 the at least one LED again shine at 100% of their maximum permissible luminous intensity, while the green and blue LEDs operate at only 85% of their maximum allowable power.
- a PWM method is preferably used in which the luminosity is changed by changing the pulse widths. Furthermore, a dimming can be done by changing a clock frequency at constant switch-on periods. Also conceivable is a change in the current flowing through the LEDs current, in which case a compensation of the possibly occurring change of the
- Wavelength range of the emitting light must be compensated. Furthermore, it is expedient if the LEDs of a luminous color can be controlled by a separate channel by means of PWM. This means that each color of light can be changed independently of the others.
- the method has three different discrete values, wherein two values correspond to two different light modes of the LED light with different color temperature and the third reflects the switched-off state.
- a change in the color rendering index CRI can also be achieved by the two different operating modes.
- the method is extremely intuitive in its application for the user, since he needs for the first no further input means than the button already known to him. Secondly, the result of his input is revealed to him directly by changing the color temperature.
- Figure 2 shows another method of the inventive control of the operation of an LED lamp.
- step Sil the LED light is initially off. By pressing the switch, ie by changing the switch position, the LED light is switched on. So it lights up in cold white in S12.
- the LED light in this embodiment one or more white LEDs and one or more red LEDs.
- the white LED is preferably a blue LED, which further comprises in its emission areaCloudnwellenkonverttechniksmaterial, such as, phosphorus.
- an RGB LED module can be used which has at least one red, green and blue LED. To produce cool white light in S12, the at least one white LED is operated at 100% of the allowed power. The at least one red LED is switched off.
- the LED light is now switched off by pressing the switch again. It no longer lights up in S13. If the LED light is switched on again after an arbitrarily long time, it now lights up with different light characteristics. As shown in S14, the at least one white LED operates at only 85% of its maximum allowable power, while the at least one red LED operates at 100% of its maximum allowable power. Thus, the LED light shines in a warmer white, d. H. with a lower color temperature than was the case in S12. By pressing the switch again, the LED light in S15 is switched off again.
- the control unit has a memory.
- This can be a nonvolatile memory (eg EPROM).
- EPROM nonvolatile memory
- This can be used to save the last operating mode set on the LED light.
- the LED light is now basically operated in the operating mode, which has not been stored in memory when you turn off and turn on again.
- the operation mode of the LED lamp basically changes regardless of the period in which the LED lamp was turned off.
- the LED light has more than two different operating modes. This means that it can shine in more than two different color temperatures, for example.
- the LED lamp treated in FIG. 2 has a larger number of white LEDs than red LEDs. This means that the maximum allowable power of the emitted white light is higher than that of the red one.
- it can have six white LEDs, or two RGB modules, each with a red, green and blue LED, and additionally a red LED.
- FIG. 3 shows an embodiment of a method according to the invention in which a dimmer switch is used.
- the LED light is off.
- Pressing the dimmer switch which corresponds to pressing a button, turns on the LED light. At first, it lights up in cool white in S22. It has a luminous output of 100% of the maximum permissible power. The set dimming value is therefore 100%.
- the LED light By pressing the dimmer switch, which can be realized for example by turning, pressing, etc. of the dimmer switch, the LED light now dimmed. In S23, it still glows in cool white, but only has 85% of the maximum allowable power. If the button is pressed, ie the dimmer switch is pressed once, the LED lamp in S24 is switched off.
- Color temperature and the luminous power of the LED light is possible.
- the color temperature and luminous power can be adjusted independently of each other on the LED light.
- the dimmer switch By turning or pressing the dimmer switch, for example, when using a Phasenanroughsdimmers as a dimmer switch, the mains voltage that is transmitted through the interface, depending on the operation of the rotary dimmer be cut off more or less in phase.
- This changed voltage at the interface can be evaluated by ⁇ usonnektronik in the LED light and used as information for the adjustment of the color temperature as well as the setting of the luminous power of the LED light (eg. By PWM and / or Amplitudendimmen).
- the dimmer switch can be used so that the rotation of the dimmer switch, which was originally intended to change the luminous power of the LED light, now leads to a change in the color temperature of the emitted light of the LED light.
- the color temperature of the LED light can be changed continuously.
- the conversion of the set value on the dimmer switch to a specific color temperature of the emitted light can be done via a control unit of the LED light.
- the control unit can determine the change of the averaged input voltage or also the input voltage. Normally, namely by turning the dimmer switch, the course of the LED lamp supplied AC input voltage is changed, with a control unit detects this change.
- the controller may now determine one or more parameters that will operate the one or more LEDs. These are preferably PWM pulse widths.
- PWM pulse widths When using an RGB LED module, having at least one red, green and blue LED, a specific PWM pulse width (duty cycle) can be set individually for each color channel depending on the average input voltage. A more detailed explanation of this setting of an RGB LED module is explained in FIGS. 4a and 4b.
- an adjustment of the luminous power of the LED luminaire can likewise be made at least in individual discrete values. Therefor can be analyzed by the control unit a multiple pressing the button of the dimmer switch in the manner described above.
- a switched-off LED light by pressing the button of the dimmer switch first with 100% light output shine, the LED light was previously switched off for a period of time, a predetermined period of time.
- the luminous power can now be reduced, for example to 75%.
- individual, discrete values of the luminous power can be set.
- the dimmer switch can be used so that the rotation of the dimmer switch, in addition to changing the luminous power of the LED light, at the same time also leads to a change in the color temperature of the emitted light of the LED light. It is thus possible that, when the brightness changes, the color temperature of the LED lamp is also changed at the same time. Preferably, the color temperature is shifted towards a warmer color temperature when the brightness (light output) is reduced. This simultaneous change of
- Color temperature can also be performed only below a certain light output.
- FIGS. 4a and 4b Two different embodiments are shown in FIGS. 4a and 4b, how a continuous change of the color temperature or the color of the emitted light of the LED light can be realized.
- color values are continuously traversed on the CIE standard color chart.
- the color values can be located on one or more curves.
- the curves are the black body curve and / or a curve moving along the color dots produced by the LEDs.
- the use of a dimmer switch is foreseen, wherein the color temperature or the color is changed in the manner shown in Figures 4a and 4b by turning the dimmer switch.
- FIG. 4a shows a CIE standard color chart / standard color chart.
- the colors of the red, green or blue LEDs mark the corner points R, G, B of a triangle 30.
- the LED light ie the combination of the light of the red, green and blue LEDs, can occupy every point within the triangle 30 ,
- FIG. 4 a shows a method by which the emitted light color, ie the point of the CIE standard color chart which corresponds to the light emitted, can be changed by turning the dimmer switch. It is desirable that both different whites with different color temperature, as well as different colors are adjustable.
- the LED light When the LED light is switched on for the first time, or when switched on for the first time after a longer period of time, the LED light first preferably lights up in the most favored setting. This corresponds to the white point at S31 in the embodiment of FIG. 4a. This is located on the so-called black body curve, the different shades of white with different
- a second half-curve 60 is traversed, which may also be square and / or round.
- a color tone is set at S36, which corresponds most strongly to a red.
- S37 on the other hand, a hue is set that corresponds to most blue. Following this, the dot travels across the half curve 60 and over the black body curve 40 back to point S31, completing the cycle. The process then begins again as the dimmer switch is rotated further.
- the black body curve 40 is traversed twice as often as the remaining hues on the half-curves 50 and 60, which is advantageous in that it is more desirable to adjust white tones than to adjust hues.
- the color rendering index CRI can be changed, since this is higher, for example, at the white point at which all LEDs shine equally high, as if, for example, at point S36 almost all light emanates from the red LEDs.
- the color temperature of the white tone can now be changed.
- the points S42 and S43 are shown here.
- the set value By pressing the button of the dimmer switch twice, the set value now jumps to a point on the curve 30. This is realized here as a triangle, which is defined by the three colors red, green and blue of the RGB LED module. This means that at each Corner of the triangle only the LEDs of a single color, such as blue, light up.
- the triangle By turning the dimmer switch, the triangle can now be traversed in both directions.
- the LED light illuminates with a color corresponding to the point S44, so by turning the dimmer switch in one direction, the triangle can be traversed through the points S45 and S46 until it reaches the point S44 again ,
- FIG. 5 shows an exemplary embodiment of an LED luminaire according to the invention.
- the LED lamp 1 has a control electronics 2 and an LED module 7, which is controlled by the control electronics.
- the control electronics 2 in turn comprises a control unit 3, preferably an integrated circuit, and a Memory 4, wherein the control unit 3 and memory 4 can also represent an element.
- the integrated circuit is preferably an ASIC or a microcontroller, but hybrid solutions consisting of an integrated circuit and further discrete electrical components are also conceivable.
- the memory 4 is preferably an at least partially non-volatile memory, such as a flash memory.
- the LED module 7 has at least one RGB LED module, comprising at least one red, one green and one blue LED, this being referenced by reference numeral 6. In addition, it has at least one other LED 5.
- This can be a color-converted white LED, ie a blue LED in which color conversion means, such as phosphorus, are arranged in the exit angle of the emitted light. It may also be at least one other colored LED, such as a blue or a red LED.
- An additional white LED can be used to generate neutral, ie white light, while a colored LED, such as a red and / or a blue LED, the color impression, ie the impression of color temperature, the LED module 7 can change.
- an additional red LED may be used to reduce the color temperature of the total emitted light of the LED lamp 1, while the additional use of a blue LED may be used to produce a higher color temperature of the emitted light.
- an optical element 8 is used, which in particular causes scattering effects of the emitted light of the LEDs. So it can be a lens act. This may consist of glass or a plastic and have diffuse particles. It is also conceivable that their surface is roughened or structured.
- the optical element 8 may comprise a lens, which is connected downstream of the lens, for example.
- control electronics 2 In order to adapt the supplied electrical current to the parameters required by the LED module 7, the control electronics 2 continue to have a dedicated electronics 18 for power and voltage reduction.
- a current regulating unit is preferably used which adjusts a current suitable for the LEDs.
- the electronics 18 can be controlled by the integrated circuit 3. This regulation is preferably carried out via an internal bus 20.
- the electronics 18 also has a rectifier, if the LED lamp 1 is to be supplied with an AC voltage.
- the electrical current adjusted by the electronics 18 is supplied to a circuit 19 which is designed for a pulse width modulation (PWM).
- the circuit 19 is also preferably controlled by the integrated circuit 3 via the internal bus 20.
- the circuit 19 may have one or more switches, wherein the length of the switch-on period of the switch corresponds to the PWM pulse widths.
- the electrical signals generated in this way are supplied to the LED module 7 via the internal conductors 21 and via the conductors 9.
- the conductors 21 and 9 preferably have a plurality of channels.
- every single one Luminous color of the LED module 7, such as all red LEDs of the RGB LED module 6 or the one or more additional white LEDs 5, are individually controlled by a separate channel. Additional regulation of the LED module 7 by measuring the parameters such as current and / or voltage in the conductors 21 or 9 is also conceivable, the measured values of the integrated circuit 3 being fed back.
- the LED light represents a unitary element. This can be mounted on the ceiling or on the wall of a room and connected to the power supply cables.
- the LED lamp is an LED retrofit lamp that can be screwed or plugged into a conventional lamp socket.
- the LED lamp preferably has a screw thread 22, for example an E14, E27 or E47 lamp socket, or alternatively a halogen plug or a Ba onett posted. About such a connection 22 of the LED lamp 1 is supplied electrical power.
- the terminal 22 of the LED lamp 1 thus represents an interface 23 of the LED lamp 1, via which it receives electrical signals.
- the LED light 1 may have another interface 14. This can be used, for example, to connect the LED light 1 to a communication bus of a lighting system. However, this is an optional feature of the LED lamp 1. In principle, it is also conceivable that via any interface signals in digital form, ie digital commands, for example, according to the DALI standard, received and / or sent out.
- the LED lamp 1 thus has a connection 22, such as a screw socket or a plug. These represent an interface 23 of the LED lamp 1 with a matching lamp socket 13.
- the lamp socket 13 is further connected to a conductor 24, which is preferably a conventional wiring of a household.
- the wiring 24 is thus guided within the ceilings or walls of the household and connected to a switch 10.
- the switch 10 may be a toggle switch, button, dimmer switch, rotary dimmer switch, or dimmer switch as described above.
- the switch 10 is also connected to a supply voltage 12, such as the AC line voltage.
- the switch 10 also represents a user interface between the lighting and thus in particular the LED light 1 and a user 11. By operating the switch 10 can thus in the manner described above, the power of the LED light 1 off or on and over In addition, a reduction of the LED lamp 1 supplied power to be made.
- an LED lighting system 25 has at least two LED lights 1 as described above. These are connected to a bus 17. Furthermore, a central control unit 15 is connected to the bus 17. This is connected directly via a connection 16 and / or via the bus 17 to a user interface 10.
- the user interface 10 is in the simplest case a switch as described above. Alternatively, however, it may also be another input option, such as a Keypad or a touch screen. Also, the user interface 10 may include an output device, such as a display, a touch screen, or an acoustic output, such as a voice output.
- the bus 17 is used for communication between the central control unit 15 and the connected LED lights 1.
- the LED lighting system 25 makes it possible for the user to adjust the brightness and in particular the color or color temperature of the lighting in one or more rooms. This is particularly useful when a room is illuminated by several lights and thus all lights should have the same or different properties such as the same color temperature. Furthermore, it becomes possible via the described extensive user interface 10 to make further adjustments to the lighting, such as setting individual LED lights differently, as well as to obtain more accurate information about the functionality of the lighting system and the set parameters.
- the inventive LED lamp 1 it is possible in the inventive LED lamp 1 to use more of the LED lights 1 in a room and to control them by means of a simple toggle switch, button or dimmer switch.
- the uniformity of the overall lighting is thereby realized that all LED lights 1 the same on / off switching signals or dimming signals are supplied.
Landscapes
- Circuit Arrangement For Electric Light Sources In General (AREA)
Abstract
Description
Claims
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP10770809A EP2491765A1 (de) | 2009-10-23 | 2010-10-22 | Betrieb einer led-leuchte mit variablem spektrum |
US13/503,554 US9585220B2 (en) | 2009-10-23 | 2010-10-22 | Operation of an LED luminaire having a variable spectrum |
DE112010004782T DE112010004782A5 (de) | 2009-10-23 | 2010-10-22 | Betrieb einer LED-Leuchte mit variablem Spektrum |
CN201080047907.3A CN102668697B (zh) | 2009-10-23 | 2010-10-22 | 具有可变色谱的led灯的运行 |
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
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DE102009050479.6 | 2009-10-23 | ||
DE102009050479 | 2009-10-23 | ||
DE102010000903 | 2010-01-14 | ||
DE102010000903.2 | 2010-01-14 |
Publications (1)
Publication Number | Publication Date |
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WO2011048214A1 true WO2011048214A1 (de) | 2011-04-28 |
Family
ID=43567822
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP2010/065982 WO2011048214A1 (de) | 2009-10-23 | 2010-10-22 | Betrieb einer led-leuchte mit variablem spektrum |
Country Status (5)
Country | Link |
---|---|
US (1) | US9585220B2 (de) |
EP (1) | EP2491765A1 (de) |
CN (1) | CN102668697B (de) |
DE (1) | DE112010004782A5 (de) |
WO (1) | WO2011048214A1 (de) |
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Also Published As
Publication number | Publication date |
---|---|
US9585220B2 (en) | 2017-02-28 |
US20120242247A1 (en) | 2012-09-27 |
DE112010004782A5 (de) | 2012-10-18 |
CN102668697B (zh) | 2016-05-25 |
CN102668697A (zh) | 2012-09-12 |
EP2491765A1 (de) | 2012-08-29 |
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