EP1696707A2 - Luminaire - Google Patents

Luminaire Download PDF

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Publication number
EP1696707A2
EP1696707A2 EP06003701A EP06003701A EP1696707A2 EP 1696707 A2 EP1696707 A2 EP 1696707A2 EP 06003701 A EP06003701 A EP 06003701A EP 06003701 A EP06003701 A EP 06003701A EP 1696707 A2 EP1696707 A2 EP 1696707A2
Authority
EP
European Patent Office
Prior art keywords
luminaire
memory
color
lamp
luminaire according
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP06003701A
Other languages
German (de)
English (en)
Other versions
EP1696707A3 (fr
Inventor
Jens Dipl.-Ing. Von Der Brelie
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Erco GmbH
Original Assignee
Erco GmbH
Erco Leuchten GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from DE202005003285U external-priority patent/DE202005003285U1/de
Application filed by Erco GmbH, Erco Leuchten GmbH filed Critical Erco GmbH
Publication of EP1696707A2 publication Critical patent/EP1696707A2/fr
Publication of EP1696707A3 publication Critical patent/EP1696707A3/fr
Withdrawn legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
    • H05B45/20—Controlling the colour of the light
    • H05B45/22—Controlling the colour of the light using optical feedback
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
    • H05B45/20—Controlling the colour of the light
    • H05B45/28—Controlling the colour of the light using temperature feedback
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
    • H05B45/30—Driver circuits
    • 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]
    • H05B45/40—Details of LED load circuits

Definitions

  • the invention initially relates to a luminaire according to the preamble of claim 1.
  • the invention relates to an interior or exterior light that can illuminate or illuminate a building part surface, a building surface or an object or can backlight a surface in the manner of an orientation light or decorative light. Furthermore, in particular, the invention relates to such lights, which are in the manufacture, ie factory, equipped with at least one light source.
  • each lamp has a single light source, that is, a single lamp that can be addressed by the transmitted via the signal lines control information, for example, to turn on or off to be dimmed to to blink.
  • control information can also cause a color change or control the light to achieve a color mixed overall light distribution.
  • the invention relates in particular to a luminaire which can be incorporated into a system or network of individually controllable luminaires and which can be connected to other luminaires and to one or more controllers or control units via a signal line.
  • the luminaire according to the invention can be incorporated into a network of luminaires which operates according to the DALI protocol.
  • DALI digital addressable lighting interface
  • DALI is a signal transmission protocol established by the DALI working group at the Gottvious der Elektrotechnik- und Elektronikindustrie.
  • the invention is therefore the object of developing a lamp according to the preamble of claim 1 such that it offers the opportunity to prevent the disadvantages described above.
  • the invention solves this problem with the features of claim 1, in particular with those of the characterizing part, and is accordingly characterized in that the lamp has a memory in the one Record is written that describes at least one property of this bulb.
  • the principle of the invention thus consists essentially in allocating a memory to the luminaire into which a data record is written.
  • the data record describes at least one property of this luminous means.
  • the property to be described may be, for example, the maximum luminous flux of this luminous means.
  • the maximum possible luminous flux is e.g. in particular determined by the wafer quality. This means that a first LED of this lot size can generate a 100% luminous flux and another, second LED of this lot size only a 70% luminous flux. If these two LEDs of the same color installed in two different lights and would not take into account the different levels of maximum luminous flux, so would a lamp with the first LED with maximum control in a traceable manner generate a higher brightness than the other LED.
  • the property of the luminous means that is to say for example the maximum luminous flux, in particular the measured, maximum possible luminous flux of this luminous means, has been inscribed directly or as related information in a memory of the luminaire as a data record.
  • This data set can be taken into account in the later activation of the luminous means, so that when the two luminaires with the two LEDs receive a drive signal to emit maximum brightness, that LED which can generate a higher maximum luminous flux is dimmed by a factor of 70% while the second LED, which can only produce 70% luminous flux, will not be dimmed and will produce its maximum luminous flux. In this way, both lights can produce an equal brightness, so that overall a more uniform impression can be produced.
  • the data set therefore offers the possibility of making a correction taking into account the property, in particular the measured property of the individual luminous means.
  • the data set is preferably written into the memory at the factory. This can be done, e.g. immediately after the maximum luminous flux has been measured or e.g. when the bulb is mounted in the luminaire.
  • the memory may e.g. be provided by a separate electronic component, which is connected upstream, for example, an existing in the lamp control gear and which retransmits the signals received from a controller via the signal line in the manner of a repeater to the operating device and thus to the light source, automatically correcting taking into account Property of the bulb is made.
  • the memory can also be read out by a controller connected to the signal line, wherein the controller subsequently takes into account the property of the respective luminous means in the activation of the respective luminaire.
  • the memory may also be provided by an operating device present in the luminaire, e.g. from a light scene memory of a DALI operating device.
  • LEDs may have different maximum luminous fluxes
  • LEDs may also vary in color and, for example, have wavelength differences of +/- 5 nm.
  • This parameter can also be determined as a measured value and written into the memory as a property of the luminous means in the form of a data record.
  • an optimized color mixing can take place with knowledge of the exact color of light that the light source generates, so that a plurality of lamps can produce an identical color impression by means of a correspondingly intelligent control.
  • the record to be written into the memory may contain information about the exact light color of this light source. Instead of an indication that the LED emits, for example, red color, now the exact wavelength of the red region, in particular the maximum of the emission spectrum of this LED can be entered into the memory in the case of a designed as an LED light source.
  • the measured light color of the light source is recorded as a data record.
  • a spectrum ie a spectral light distribution of the light source, can also be written into the memory as a data record.
  • the exact spectrum of the light source can be measured equally at the factory, the spectra of the individual bulbs, in particular with LEDs, can vary.
  • a temperature-dependent behavior of the luminous means and / or an aging-dependent behavior of the luminous means is considered. Both behaviors can refer both to the maximum permissible luminous flux and to a spectral change.
  • the properties of light bulbs not only play a role in LEDs but also in other light sources, for example in OLEDs or optionally in fluorescent lamps. The invention thus relates to lights, regardless of which type is the existing light in the lamp.
  • the temperature dependency of the luminous means can play a role, for example, at different ambient temperatures or different chip temperatures, in particular when using LEDs as light sources, the chip temperature also being dependent on the switched-on duration of this LED up to this point in time.
  • the lamp is associated with a sensor which can detect a temperature, for example an ambient temperature or a chip temperature, in any case a temperature influencing the operation of the luminous means, as a result of the storage of the information on a temperature-dependent behavior of the luminous means, a corresponding correction or adaptation of the control information obtained via the signal line, in particular in the manner described above, for adapting a luminous flux to be emitted or for adapting a color mixing.
  • the data record contains information about a light-dependent behavior of the light source, it is advisable to assign a device to the memory which records the operating time of the light source. This can be done for example in the manner of an operating hours counter, for example, in the case of LEDs as a light source not only the turn-on but also the inrush currents or, more precisely, the work done by LEDs plays a role, but are easily detected with a corresponding electronics can. If one knows the total operating time of the luminous means and the aging-dependent behavior of the luminous means, which can show an influence on a spectrum shift and / or on a maximum luminous flux, a corresponding correction or adaptation can take place.
  • the luminaire contains information about an aging-dependent behavior of the luminous means, it can furthermore be advantageously provided to control the luminous means in consideration of maximum permissible operating temperatures or, e.g. in the case of LEDs, taking into account maximum allowable operating currents. Without this, e.g. A control unit must automatically limit the maximum permissible operating temperatures or the maximum permissible operating current, thus increasing the service life of the lamps.
  • the lamp is connectable via the signal line with a controller. It can be one or more controllers.
  • controller communicates with the lamp via control signals according to the DALI protocol. This allows recourse to a widely used standard.
  • the luminaire can have a memory which contains a data record or a memory in which a plurality of data records are written or a plurality of memories in which a plurality of data records are arranged.
  • the memory (s) may include one or more data sets describing one or more characteristics of one or more bulbs.
  • the lamp has a controllable by the controller operating device, in particular a DALI operating device, on. This allows the recourse to known components.
  • the memory is arranged in the operating device, i. provided by the operating device.
  • the memory may be formed by a light scene memory, which is already located in a DALI operating device, so that an existing memory can be used.
  • this memory is described in the factory with the data record or with the data sets which describe the property or the properties of the luminous means or of the luminous means.
  • the data record located in the memory of the operating device can be transmitted by the controller via the signal line in an advantageous embodiment of the invention when the memory is read. Even if the memory is not arranged in an operating device but in a separate electronic component, it can be provided that the memory can be read out by the controller and the data record can be transmitted to the controller via the signal line.
  • the data record can be recognized and processed by the controller.
  • the controller can then, upon receipt of the data set, send control signals to the luminaire which the Take into account the property of the bulb. This means that the controller transmits control information to the luminaire, in particular to an operating device contained in the luminaire, which are corrected or adapted on the basis of the now communicated properties of the luminous means.
  • the controller can send a signal to the first luminaire, according to which the higher-power luminous means existing there should only generate a 70% luminous flux and the weaker luminous means contained in the second luminaire is maximally activated, so that in consequence both luminaires with the two lamps each generate the same luminous flux.
  • the desired uniform illuminance can be achieved.
  • the controller uses the data set for a correction of the control signals to be sent.
  • the properties of the lighting means can be taken into account by the controller before the transmission of the control signals and, in particular in the event that at least two lighting means are connected to the controller, an adaptive correction based on the notified property is made.
  • the data record can also be stored, for example, in another memory, which is assigned to the controller, for example. It is then no longer absolutely necessary to leave the data record in the memory in the luminaire, so that this memory can be overwritten.
  • a reading of the memory and a transmission of the data set to the controller in the context of an initialization of a lighting network done the controller in a detection process in which the lights are provided, for example, with individual addresses and information about the type of light sources are obtained , also the records that relate to the property of the bulbs to be transmitted.
  • the memory is part of a separate electronic component which is connected to the operating device of the signal line.
  • a separate electronic component can be connected upstream of an operating device and thus be arranged between the operating device and the controller. It can correct or adjust the control signals received from the controller, which are intended for the operating device, taking into account the data set and send the adjusted control signals to the operating device. In this way, the controller does not notice at all that a component is present which carries out a correction of the transmitted control signals.
  • the device is connected to several operating devices and receives control signals from the controller, which are intended only for a control gear.
  • the component can also correct the received control signals to different operating devices or send them in an adapted manner.
  • the component preferably has one or more memories in which different data sets of different lighting means are inscribed. The different light sources are assigned to the different operating devices.
  • the component can therefore also, for example, the control signals intended only for one operating device, which it receives from the controller, taking into account the different data sets differently correct and adjust differently, and send the differently adapted control signals to the plurality of operating devices.
  • the device can manage multiple lights in the manner of a sub-system within a network of lights, eg within a DALI network.
  • the lamp has at least two lamps of different colors, which are individually addressed by a controller to achieve a color mixed total light distribution. Further preferably, each illuminant is assigned a data record which describes the property of the associated luminous means.
  • This embodiment of the invention enables a color-miscible luminaire which contains, for example, a red, a green and a blue luminous means or, alternatively, additionally contains a cyan and an amber-colored luminous means or, alternatively, also contains altogether only two illuminants of different white color, for mixing different shades of white.
  • a luminaire containing a red, a green and a blue LED the three LEDs can be measured in the manner described above in the manufacture of the luminaire, with their maximum possible luminous fluxes and their exact, precise light colors in the form of the in the memory or recorded in the memories contained record.
  • RGB ballast In the case of a lamp comprising a red, a green and a blue LED, there is typically a so-called RGB ballast, ie an operating device which controls all three LEDs together.
  • This operating device can now be preceded by a component which contains a memory in which the data sets which describe the properties of the different three light sources are stored.
  • the device can make a corresponding adjustment in knowledge of the properties of the bulbs and colors or mix colors less strong, so that in total exactly the desired color is achieved.
  • the invention further relates to a luminaire according to the preamble of claim 32.
  • Such a lamp is known and has been manufactured by the applicant for some time.
  • the invention is therefore the object of developing a lamp according to the preamble of claim 32 such that a higher color fastness, ie a higher color rendering quality can be achieved.
  • the invention solves this problem with the features of claim 32 and is accordingly characterized in that the luminaire has a memory into which a data record containing information about the exact color values of the individual luminous means and / or containing information about the maximum luminous fluxes of the individual luminous means is written is, wherein a correction device is provided which corrects the control signals, taking into account the exact color values and / or the maximum luminous flux and performs a control of the individual lighting means with corrected control signals.
  • the exact color values and / or the maximum luminous flux can be written into the memory at the factory or directly in the form of a data record containing this information.
  • the writing process may be preceded by a measuring operation which measures the exact color value at the factory, for example the exact wavelength emitted by the individual LED and / or the maximum luminous flux.
  • a correction device can carry out an adaptation and correction of the control signals with knowledge of the data set, so that the control of the individual light sources is carried out in a corrected manner. This allows exact mixing colors, i. color-mixed light distributions are generated, which correspond exactly to the color mixing value that is desired.
  • a measured color value is regarded as the exact color value, which takes into account that a color specification, such as red or blue, is far too inaccurate.
  • a color specification such as red or blue
  • a wavelength specification in nanometers is considered, which is itself subject to a measurement accuracy of, for example, +/- 1 nm when measuring the wavelength, but in the result represents a much more accurate indication than the mere color red or green or blue.
  • the correction device may be part of an electronic component, which is preferably arranged in the luminaire.
  • the correction device can automatically process the data record and thus take into account the information about the exact color values and the maximum luminous fluxes.
  • the correction device may also be part of an operating device for at least one light source.
  • an operating device for example, an electronic ballast, for the light source, which may optionally also control a plurality of bulbs, a corresponding electrical component, such as a ⁇ -processor containing, which has the correction means and a correction of incoming to the lamp control signal for driving the bulb can make automatically.
  • this controller can also represent the correction device and take over the correction function.
  • the correction device is assigned to the controller, so that the controller sent via a signal line to the lamp control signals reach the lamp already in a corrected manner, because the correction is made in the controller.
  • the invention further relates to a lamp according to the preamble of claim 37 and in turn is based on a lamp according to the preamble of claim 32, as it has become known by the applicant by public prior use.
  • This invention has the object, a luminaire according to the preamble of claim 37 further develop such that in a simple manner exact mixed colors can be generated.
  • the invention solves this problem with the features of claim 37, in particular with those of the characterizing part, and is accordingly characterized in that the luminaire has a memory in which a data set contains information about the exact color values of the individual luminous means and / or containing information about the maximum luminous fluxes of the individual luminous means are inscribed, wherein a device for generating color-mixed light distributions is provided, which generates a specific, exact mixed color by controlling the individual luminous means, taking into account the exact color values and / or the maximum luminous fluxes.
  • the principle of the invention consists essentially in that a device for generating color-mixed light distributions is provided which generates a specific, exact mixed color by controlling the individual lamps, wherein the exact color values of the individual lamps and / or their maximum luminous fluxes are taken into account.
  • the exact color values and the maximum luminous fluxes are written directly or as a data set which describes the exact color values and / or the luminous fluxes of the individual luminous means in a memory of the luminaire.
  • the exact color values and / or the luminous fluxes of the individual luminous means are measured beforehand.
  • the memory is typically described at the factory.
  • the device for producing color-mixed light distributions can use this data set. This makes exact mixed colors possible.
  • the device for producing color-mixed light distributions can be arranged in the luminaire or be part of a controller connected to the luminaire via a signal line.
  • this device is associated with the lamp, there is a particular advantage when the lamp is a memory in which a data record is stored with information about a plurality of available, exact mixed colors.
  • This embodiment of the invention by arranging this memory, which may be a separate memory or uses a same memory space as the dataset, allows for recourse to a plurality of previously defined exact mixing colors from which one or more exact mixing colors can be selected and generated by the device can be.
  • the lamp has a memory in which in addition to the record also a number of previously defined, ie factory defined exact mixed colors is arranged, wherein an adjustment can be provided, for example in the manner of a rotary switch, in particular in the manner of a Farbpotentiometers, the one Setting the predefined colors allows.
  • the predefined colors are exact mixed colors, ie they take into account the exact color values and / or luminous fluxes of the individual luminous means which have previously been obtained by measurement.
  • the invention further relates to a device for controlling at least one luminaire according to the preamble of claim 40. More particularly, this invention relates to a device for controlling at least one luminaire according to claims 1 to 39.
  • the invention is based on a control device, as it has become known through public prior use of the applicant.
  • the object of the invention is to develop a device according to the preamble of claim 40 such that it provides a simplified control of the lights to achieve a color mixed overall light distribution of the lamp.
  • the invention solves this problem with the features of claim 40, in particular with those of the characterizing part, and is accordingly characterized in that the device taking into account Information about the exact color values and / or the maximum luminous fluxes of the individual illuminants indicates a color space achievable by the luminaire.
  • the principle of the invention consists first of all in that the exact color values and / or the maximum luminous fluxes of the luminous means of the luminaire are detected, i. be measured and communicated to the device. This can be done, for example, as explained above, according to which the luminaire has a memory in which data records containing information are entered the exact color values and / or the maximum luminous fluxes.
  • the device can read out the exact color values and / or the maximum luminous fluxes or a data record which describes these values via a signal line which connects the device to the luminaire and subsequently take them into account.
  • the device can be made known about the exact color values and luminous fluxes but in principle also in other ways.
  • the device Since the device knows the exact color values and luminous fluxes of the individual illuminants, it can display a color space that can be reached by the luminaire.
  • a color space achievable by the luminaire represents a group of color-mixed total light distributions, that is, several different colors that can actually be reached by this luminaire. While theoretically, by mixing light from a red, a green, and a blue light bulb, virtually all colors can be mixed in infinitely fine graduations, with a real light, due to the exact color values and the maximum light fluxes of the individual bulbs, only a subset may be possible of all possible colors.
  • the actually achievable color space is thus possibly also infinitely large with an infinitely fine, gradual activation, but still smaller, than a theoretically possible color space, which does not take into account exact color values and maximum luminous fluxes of the luminous means.
  • the device displays the actually achievable color space, for example in the form of a standard color chart, as a color wheel, as a color palette or as another diagram, which allows the selection of colors comfortably.
  • a standard color chart as a color wheel
  • a color palette as another diagram, which allows the selection of colors comfortably.
  • an operator or a user of the device will only be shown the colors that the device can actually actually generate, with high color fidelity achieved because the displayed color displayed, for example, on a screen of the device is actually also exactly and identically corresponds to the color, which can produce the lamp as a color mixed overall light distribution.
  • the device contains information about a sub-color space, which represents a real subset of the achievable color space.
  • a sub-color space i. a subset of the group of actually achievable colors of the luminaire is formed.
  • This sub-color space is a true subset of the achievable color space and can be displayed to the user.
  • the sub-color space contains, for example, colors to create special color moods.
  • the user can access this sub-color space directly. This makes sense, for example, if an operator wants to allow only very specific color ranges, such as pastel shades or favorite shades, or those mixed shades which are typical for the operator of the device, e.g. corporate identity colors or the like. Also, special colors that match certain color moods can be achieved.
  • the sub-color space is displayed in the manner of a template projected onto the achievable color space.
  • a template may, for example, be a continuous curve or area which is projected onto the entire accessible color space by the display device, preferably in an overlapping representation. This allows a lighting designer in particular a quick overview of the ratio of the sub-color space to the achievable color space.
  • the device may comprise a memory having a group of several sub-color spaces. From this group can be selected by an operator further advantageously a particular sub-color space. This allows a factory definition of certain sub-color spaces that allow comfortable adjustment of color mixed total light distributions by an operator, for example by a lighting designer, after installation of the device on site and allow a uniform lighting situation, for example, at different locations of a company, to obtain identical colors ,
  • the invention also relates to a luminous means for a luminaire according to the preamble of claim 46.
  • Such a luminaire for a lamp is known and widely used and may be formed for example by a fluorescent lamp, an LED or any other light source.
  • the light source is used in a luminaire and is mounted for this purpose, for example, within a luminaire housing, or to a luminaire.
  • the object of the invention is to develop the known light source according to the preamble of claim 1 such that an improved control of the light source is possible.
  • the invention solves this problem with the features of claim 46, in particular with those of the characterizing part, and is accordingly characterized in that the lamp is associated with a memory in which a record is writable.
  • the principle of the invention thus consists essentially in allocating a memory to the light source.
  • the memory can be arranged or attached directly to the light source.
  • the memory may be arranged on a structural unit which carries the lighting means, e.g. on a mounting plate, a circuit board or on a socket body for the bulb.
  • the memory can also be disposed as detachable from the light source data carrier releasably relative to the light source.
  • a data carrier such as CD-ROM, RFID (radio frequency identifying tag) or the like can be supplied with it when purchasing a light source.
  • the memory is preferably an electronic memory which contains a data record which describes a property of the luminous means.
  • a property of the luminous means is stored as a data record which describes a maximum permissible luminous flux of the luminous means and / or an exact color value, that is to say a precise designation of the color value emitted by the illuminant during operation or of a color spectrum.
  • information about an aging-dependent behavior or a temperature-dependent behavior of the luminous means can also be written into the memory.
  • the memory can be read, for example, after mounting the lamp, or the unit in the light.
  • the readout can either be done by an existing in the lamp electronic component or / and by a controller that is connected to the lamp via a signal line, performed.
  • the reading of the data record allows the lamp, or the controller, to carry out a correction of control signals and to achieve the previously described advantages, which have been described in connection with a luminaire or with a device for controlling luminaires, alike.
  • the lighting means may also be associated with a correction device which, taking into account the data record, carries out a correction of control signals obtained.
  • the proposed memory which is associated with a light source, can provide the previously described memory of a luminaire or can replace it or supplement it.
  • the lamp has a memory which is arranged separately from the memory of the luminous means, a transmission of the memory contents of the luminous-energy store to the memory of the luminaire lends itself.
  • the memory of the lamp represents or replaces the memory present in the luminaire, no additional memory beyond the memory of the luminous means is required.
  • the luminous means according to the invention makes possible a simplified factory assembly, since a measurement of the properties of the Bulb can be omitted in the manufacture of the lamp and can already be made by the lamp manufacturer. As a result, steps can be omitted in the lighting manufacturer, since only the reading of the memory of the lamp must be performed.
  • the luminous means according to the invention also enables an unproblematic replacement of bulbs of defective bulbs of a luminaire according to claims 1 to 39, so that a replacement illuminant, which is assigned a memory having a data set containing information about properties of the luminous means, this record for the previously described color compensation or Color correction can provide.
  • FIG. 1 is designated in the figures in their entirety by 10. It should be noted that in the following description of the figures, even for different embodiments, identical or comparable parts or elements have been designated for clarity with the same reference numerals, partially with the addition of small letters and partly with the addition of additional Arabic numbers or an apostrophe.
  • Fig. 1 shows a signal line 11, to which a first lamp 10 and a second lamp 10b is connected.
  • the signal line can be, for example, a two-wire 24 V control line, which can transmit signals according to the DALI protocol.
  • any other signal lines depending on the type of protocol used, are used, for example, DMX protocols, TCP / IP controls, EIB (European installation bus) systems, LON (local operating network) -BUS Systems or lighting control buses of other lighting manufacturers can be used.
  • the signal line 11 is connected to a controller 12 which can send out the control signals and send them to the individual lamps 10, 10b.
  • the transmission of the control information can also be bi-directional.
  • the number of lights 10, 10b connected to the controller 12 depends on the control system used and, for example, in the case of the DALI control system, 64 subscribers per controller 12. If necessary, a plurality of controllers 12 can also be provided.
  • the luminaire 10 has, preferably within a luminaire housing, not shown, a lighting means 13, an operating device 14 for the lighting means 13 and an electronic component 15.
  • the signal line 11 is connected via a section 16 to the separate electronic component 15.
  • the component 15 is connected via a portion 17 of a control line to the operating device 14, and the operating device 14 is connected via a line 18 to the lamp 13.
  • the operating device 14 is a DALI operating device, that is to say an operating device which fulfills the requirements of the DALI protocol. It should be noted that any other operating devices can be used.
  • a power supply line 19 supplies the lights with an operating voltage of e.g. FIG. 1 shows, for the sake of simplicity, only a section of the power supply line 19 which supplies the luminaire 10, wherein it is clear that the controller 12, the luminaire 10b and further luminaires, not shown, are preferably connected in common to the voltage supply line 19.
  • a first section 20 of the voltage supply line 19 supplies the operating device 14 with operating voltage.
  • the line 18, which connects the operating device 14 with the lighting means 13, supplies the lighting means 13 with operating voltage, wherein the power supply of the lighting means 13 takes place in a controlled manner by the operating device 14.
  • a further section 21 of the voltage supply line can also supply the electronic component 15 with operating voltage.
  • a power supply of the separate electronic component 15 can also be done via the operating device 14, so that in this case the line section 21 could be omitted and a line would run from the operating device 14 to the device 15.
  • the device 15 it is also possible to supply the device 15 with an operating voltage, which receives the device 15 directly from the voltage applied via the signal line 11 and 16 control signal. In this case, the arrangement of an accumulator in the device 15, for storing the energy is recommended.
  • the component 15 has a memory 22, which is shown only schematically in FIG.
  • This memory 22, for example an EEPROM, is described with a data record which describes a property of the luminous means 13, in particular contains a measured value of a parameter of the luminous means 13.
  • the memory 22 contains information about the maximum luminous flux that the luminous means 13 can emit.
  • the memory 22 contains information about the exact color emitted by the luminous means 13 and which is also present as a measured value. Both measured values are written into the memory 22 in the factory during the manufacture of the luminaire 10. This information is now available to the electronic component 15 as a basis for a correction or adaptation of the control signals which the component 15 contains from the controller 12.
  • the component 15 is connected upstream of the operating device 14.
  • the controller 12, for example, is not informed that the lamp 10 has a separate component 15, believes to send their control information or control signals directly to the operating device 14.
  • the luminous means 13 can generate a maximum luminous flux of 70%
  • this information can be used for a correction of the signal, which is described below.
  • the second luminaire 10b according to FIG. 1 has a second luminous means 13b, from which it should now be assumed that it has the same color as the luminous means 13 in the luminaire 10.
  • the two luminous means 13, 13b are intended furthermore emit blue light, for example.
  • the bulb 13b can produce a maximum luminous flux that is 100%.
  • This information about the maximum luminous flux is stored in the memory 22b of the electronic component 15b of the luminaire 10b.
  • the two lamps 10, 10b now receive the signal from the controller 12 to produce a maximum luminous flux of 100%, a different control of the two lamps 13 and 13b can take place, although the controller 12 is identical to both lamps 10, 10b Send brightness values, that is, control commands that are to cause the bulbs to output a maximum luminous flux.
  • the electronic component 15 of the luminaire 10 can now determine, taking into account the data set of the memory 22, that the luminous means 13 can only supply a maximum luminous flux of 70%, which represents the lower limit of a tolerance range of different maximum luminous fluxes, that is to say a minimum current.
  • the electronic component 15 will therefore pass on the input control signal from the controller 12 in the simplest case uncorrected to the operating device 14, so that the associated lamp 13 receives the information to generate a maximum luminous flux, due to the technical characteristics of the bulb 13 such described is 70%.
  • the electronic component 15b of the luminaire 10b can determine that the luminous means 13b can emit a 100% luminous flux and knows that a correction of the signal contained by the control unit 12 must take place in the sense of damping or dimming. Equally, the electronic component 15b knows that a dimming by a factor of 0.7 or 70% has to occur in order to be able to generate a luminous flux of the luminous means 13b which is identical in comparison with the other luminaires 10.
  • the electronic component 15b performs a correction of the received control signal and sends to the operating device 14b a correspondingly corrected control signal via the signal line section 17b, so that the operating device 14b only dimmed the lighting means 13b and finally the lighting means 13b emits only a 70% luminous flux.
  • the function of the component 15, 15b can therefore also be regarded as that of a converter, that is to say of a repeater, with a correction function.
  • the data records remain permanently inscribed in the associated memories 22, 22b, for example, so that the lamps 10, 10b can also be detached from the signal line 11 and, for example, connected to another controller without this information being lost.
  • a significant advantage of this embodiment is that the controller 12 does not recognize that the data sets are used to correct the control signals.
  • the luminaires 10, 10b according to the invention can also be connected to any other controllers 12, which according to the same protocol, e.g. according to the DALI protocol, modulate control signals on the signal line 11, and still be achieved the advantages of the invention.
  • the controller 12 can read the memory contents of the memory 22, 22b, wherein the corresponding data sets can be transmitted via the signal line 11.
  • the controller 12 can refer to these records and process the records, for example, to indicate to an operator, which technical properties have the connected lights.
  • the control center 12 taking into account the transmitted data records from the memories 22 and 22b itself sends corrected signals to the lights 10, 10b.
  • the electronic components 15, 15b may not carry out any further correction of the control signals obtained, since the different components 15, 15b have already corrected different ones in this case Control signals received. Accordingly, it is possible to design the electronic components 15, 15b such that, once the contents of the memories 22, 22b have been read out by a controller 12, they suppress or cancel the correction function and forward the incoming signals to the operating unit 14 unchanged ,
  • the electronic component 15 is a separate component from an operating device 14 contained in the luminaire 10.
  • the embodiment of FIG. 2 is intended to make it clear that the memory 22 does not necessarily have to be provided by a separate component 15.
  • FIG. 2 shows in a representation similar to FIG. 1 a schematic block diagram, with two lights 10c and 10d, each having a lighting means 13c and 13d, which is connected via a voltage supply line section 18c and 18d with an associated operating device 14c and 14d , The respective operating device is connected via a signal line section 16c or 16d to the signal line 11 which connects the lights 10c and 10d to a controller 12.
  • the structure of the power supply line 19 according to FIG. 1 is not discussed in detail in FIG. 2. The viewer of Fig. 2, however, it is clear that a comparable power supply of the lights 10 c, 10 d is provided, where there for the sake of clarity, only the signal line 11 is shown.
  • the memory in which the data record is written which describes a property of the associated light source 13c or 13d, is now a memory 22c or 22d of the existing operating device 14c or 14d.
  • the operating device 14c, 14d is a DALI operating device, which has a light scene memory according to the definition of the DALI protocol. This can be described, for example, with the data record. Others too, Memory available in the operating device 14c or 14d can be described with the data record or with the data records.
  • FIG. 3 shows a further exemplary embodiment of a luminaire 10e according to the invention in a schematic, block diagram-like illustration, comparable to FIG. 1.
  • a separate electronic component is designated by 15e, which has a memory 22e.
  • an operating device 14e is arranged in the luminaire, to which three different luminous means 13e1, 13e2 and 13e3 are connected, which are formed, for example, by a red LED, a green LED and a blue LED.
  • the operating device 14e may, for example, be a conventional RGB DALI operating device for three LEDs.
  • the operating device 14e and the electronic component 15e are supplied with operating voltage via sections 20 and 21 of a voltage supply line 19. Analogously to FIG. 1, the electronic component 15e is connected via a section 16 to the signal line 11 and above to a controller 12. Comparable lights 10e 'and 10e "are also connected to the signal line 11.
  • one or more data sets are stored which, instead of or in addition to the maximum luminous fluxes of the individual luminous means 13e1, 13e2, 13e3, can also contain the exact color values of the luminous means 13e1, 13e2 and 13e3, for example in the form of can actually be measured in nanometers wavelength actually emitted by these Leuchtstoff.
  • the red, green and blue light sources of the luminaire 10e ' which are not shown in FIG. 3, can emit, for example, different wavelengths, which may differ from the wavelengths le3, le2 and le1.
  • LEDs of green color may vary between 505 nm and 515 nm, this value being merely exemplary.
  • the green LED 13e1 of the luminaire 10e emits green light of wavelength 515 nm
  • the corresponding green LED of the luminaire 10e 'not shown in FIG. 3 could emit green light of the wavelength 505 nm.
  • the lamp 10e 'and other lights that are connected to the same signal line 11, in turn, can easily produce different green values.
  • red and blue LEDs may have different values.
  • lamps that also have other colored lamps for example, in addition to a red, a green and a blue LED also have a white and / or a yellow LED and / or a cyan and / or an amber LED, vary accordingly.
  • the luminaire 10e is controlled, for example, by the controller 12 via the signal line 11 in such a way that the luminaire 10e is intended to produce a mixed color of a specific color
  • the luminaire 10e receives a correspondingly composed signal, which is sent to the operating device 14e and causes the three bulbs 13e1, 13e2 and 13e3 to be driven accordingly. If the lights 10e 'and 10e "produce the same color, these lights receive from the controller 12 an identical control signal.
  • a data record is stored in the memory 22e of the component 15e which describes the exact light color and the maximum luminous fluxes of the individual luminous means 13e1, 13e2, 13e3.
  • This can either be an immediate information of the light colors and luminous fluxes actually emitted by the individual illuminants. Alternatively, however, this information may be expressed as a deviation from a standard value, or in an alternative manner in the form of a correction factor.
  • the electronic component 15e knowing the exact color values and the maximum luminous fluxes of the three luminous means 13e1, 13e2, 13e3, can correct the control signals obtained and three illuminants 13e1, 13e2, 13e3 via the operating device 14e in a corrected manner, so that the lighting means 13e1, 13e2, 13e3 together generate as a result of the corrected drive exactly the light color that was intended to produce by the controller 12.
  • the luminaire 10e shows an electronic component 15e in which, in addition to the memory 22e, a separate component 24e is arranged, which represents a correction device.
  • This correction device which receives the control signals which the luminaire 10e receives from the controller 12 so that subsequently the corrected values can be forwarded to the operating device 14, can be formed by a separate electronic component and in particular contain a ⁇ -processor.
  • the memory 22e and the correction device 24e may also be formed by a common component 15e, as shown in FIG.
  • a correction by the electronic component 15e can also take place, for example, if only the signal is transmitted from the controller 12 via the signal line 11 to the lamp 10e that the lamp 10e should generate red light. If the light color emitted by the light source 13e1 does not correspond exactly to the desired light, but if it varies, for example, by a few nanometers, a correction of this light can also take place by adding slight green or blue light components through the light sources 13e2 or 13e3.
  • Fig. 3 shows an embodiment which operates with a separate electronic component 15e in the manner of the embodiment shown in Fig. 1 with an electronic component 15.
  • the function of the memory 22e can also be incorporated into the operating device 14e with a luminaire 10e having a plurality of luminous means 13e1, 13e2, 13e3 of different color. Such an embodiment is not shown for reasons of clarity.
  • the memory 22e of the electronic component 15e can also be made readable by the controller 12, wherein in the case of reading and transmission of the data set, in turn, the correction function of the electronic component 15e should be switched off.
  • Fig. 3 also shows a sensor 23 for detecting a temperature.
  • a temperature For example, the ambient temperature of the luminaire 10e, but alternatively, for example, also a chip temperature of the LED chip can be measured.
  • the electronic component 15e may also have a device be assigned to the current or the previous in the last Moments, for example, in the last 30 s or 60 s carried out control of the different bulbs 13e1, 13e2, 13e3 considered, in knowledge of the current or the past control can be closed to the current temperature and stored in the memory 22e temperature-dependent behavior of the individual Bulb can be considered in a correction of the control signals in an optimized manner.
  • One or more temperature sensors 23 can also be used in the same way in the other embodiments.
  • the memory 22e can contain a further data record which knows the aging-dependent behavior of the individual lighting means. Correction by the component 15e can now again take place in such a way that an adjustment of the signals received from the controller 12 via the signal line 11 is carried out with knowledge of the hours of operation of the individual lamps and corrected control signals from the electronic component 15e are sent to the operating unit 14e become.
  • the records relating to the temperature-dependent and aging-dependent behavior of the bulbs are transmitted via the signal line 11 to the controller 12 and this memory 22e is read out.
  • a data set on the temperature-dependent or aging-dependent behavior of the lamps is already included in the controller 12 and, for example, in the context of an initialization process, the controller 12 of the lights (eg 10e) only informed which lamps in the Lamp are included.
  • FIG. 3 furthermore shows that a further memory 25e is arranged in the electronic component 15e.
  • This memory 25e serves to receive a mix record, i. Information about several, available for selection, exact mixed colors.
  • An exact mixed color is defined as a color which results from mixing the colors generated by the individual luminous means, this mixture taking into account the exact color values and / or the maximum luminous fluxes of the individual luminous means 13e1, 13e2, 13e3. Exact mixed colors, or a mixed data set containing a plurality of these exact mixed colors, is written into the memory 25e at the factory.
  • a selection can be made, for example, via a schematic device, designated by 26 in FIG. 3, which can be designed, for example, in the manner of a color potentiometer and, for example, can provide 12 adjustable colors. Also push button od. Like. Can be provided.
  • the memory 25e and the memory 22e may also be formed by a common memory.
  • the device 26 for adjusting a mixed color together with the reservoirs 22e and 25e and optionally together with the correction device 24e and any other devices of the device 15e, not shown, constitutes a device for producing color-mixed light distributions.
  • the device 26 may under certain circumstances be addressed by the controller 12, alternatively, but also be manually adjustable and produce the desired, exact mixed color, without the need for a control signal of a controller 12 requires.
  • the data record written in the memory 22, 22b, 22c, 22e contains information about both the maximum luminous flux and the exact color value.
  • an indication of the exact color value is sufficient if the illuminant in question varies greatly with regard to the color value, but only varies very slightly with respect to the maximum luminous flux.
  • Fig. 4 shows a lamp 10f, which is connected in a conventional manner to a common signal line 11, wherein comparable to a representation according to FIG. 2, the associated power supply line is omitted for clarity.
  • the lamp 10f consists of two partial lamps 10f1 and 10f2, each having three colored lamps.
  • the partial luminaire 10f1 holds a red lamp 13f11, a green lamp 13f12 and a blue lamp 13f13.
  • the lighting means can be formed by LEDs as well as the three light sources 13f21, 13f22 and 13f23 of the second part light 10f2.
  • Each partial light 10f1, 10f2 contains its own operating device 14f1 or 14f2, which may be, for example, a DALI-RGB Vorschaitmeld.
  • a common electronic component 15f is provided for both partial luminaires 10f1, 10f2, which may also be arranged separately, ie, for example, at a distance from one another, which has a memory 22f.
  • the memory 22f contains a data record which contains the properties of the different luminous means 13f11, 13f12, 13f13, 13f21, 13f22, 13f23 of the different partial luminaires 10f1 and 10f2 and contains, for example, the exact color values and / or the maximum luminous fluxes of the individual luminous means.
  • the electronic component 15f may moreover have its own DALI address and thus be recognized by the controller 12 as a separate subscriber.
  • the component 15f may be responsive to the controller 12 like a conventional DALI operating device.
  • the electronic component 15f has the peculiarity that it does not simply forward the control signals contained by the controller 12, but corrected to both operating devices 14f1 and 14f2 of the two part lights 10f1 and 10f2 retransmitted. The correction is dependent on the illuminant and is typically different for the two sets of light sources in the two part lights 10f1 and 10f2.
  • the electronic component 15f receives, for example, a control signal from the controller 12, according to which a specific light color is to be generated, an appropriate forwarding of the partial illumination 10f1 and 10f2 can be effected as a result of individual correction and adaptation to the actual exact color values and maximum luminous fluxes of the individual luminous means corrected control signals to the operating devices 14f1 and 14f2 done so that the two different partial lights 10f1 and 10f2 actually produce exactly the same light color.
  • the electronic component 15f can also address or manage a plurality of operating devices 14f1, 14f2, so that virtually a subsystem of a DALI network can connect to the output side of the component 15f. Since the electronic component 15f has only one address in the DALI network, a very large number of lamps, which would be limited to only 64 users without a component 15f, can thus be achieved in the DALI network.
  • an electronic component 15f serves to save DALI addresses in the overall DALI network and to supply a plurality of operating devices 14f1, 14f2, is particularly advantageous when the electronic component 15f ensures that the luminous means of the individual Partial lights 10f1 and 10f2 should generate substantially the same light color.
  • Fig. 4 also shows that the device 15f may be equipped with two or more different temperature sensors 23f1 and 23f2, which measure and take into account the different temperatures. In this respect, a correction due to the temperature-dependent behavior of the individual lamps in the manner described above can take place.
  • Fig. 5 first shows a standard color chart, as known to those skilled in the field of lighting technology and as described for example in the manual for lighting, Lange, publisher; German Phototechnical Society, 4th edition, 1996, I. page 16 is shown and has been executed.
  • the standard color chart represents a substantially triangular area, the red color in the right corner area 27, and blue color in the lower right area 28 having 29 green color in an upper edge region.
  • a central area 30 contains substantially white light.
  • the unspecified intermediate areas contain mixed colors that result from mixing of the individual primary colors.
  • the standard color chart shows all theoretically possible colors of an ideal luminaire with three ideal illuminants.
  • a real blue light source for example a blue LED of a luminaire, emits, as stated above, different exact color values.
  • the crosses 31 indicated in the region 28 of FIG. 5 represent a group of measuring points which have been measured on different blue LEDs, as are typically supplied by the LED manufacturer to a luminaire manufacturer. Since these measured values lie in different places in the color triangle of the standard color chart, not even the entire color space of the color chart according to the area 32 can be achieved by mixing with light of a red, a green LED, which are also present in the same luminaire and differ equally but only a limited, in Fig. 5 by way of example triangular indicated reachable color space 33.
  • the achievable color space is therefore significantly limited compared to the theoretically possible color space.
  • This achievable color space 33 is different for each lamp due to the different color values of the individual lamp and provides the totality of the color mixed total light distributions actually achievable by the luminaire.
  • the device 12 for controlling, in particular, a plurality of luminaires 10e according to FIG. 3 or other luminaires now has, in one exemplary embodiment, a display device which is denoted by 34 in its entirety in FIGS. 6 and 7. Shown in FIGS. 6 and 7 are only the contents of the display.
  • the display in the manner of a standard color chart was chosen here by way of example again, with other color space representations, for example color circles, color palettes or the like, being possible.
  • FIG. 6 shows that the display device, for example in the form of a computer screen, represents the actually achievable color space 33 of the associated luminaire.
  • the device 12 may also perform a comparative study of the different achievable color spaces of the individual lights, and find the lowest common denominator, i. the actually achievable color space 33, which can reach all connected to the controller 12 lights.
  • This color space 33 thus shows in the form of a triangle, according to the display content according to FIG. 6, of the operator all possible mixing colors which can actually be reached by the luminaires.
  • the 6 additionally shows five circles 35a, 35b, 35c, 35d, 35e, which are projected in the manner of a template onto the actually achievable color space 33.
  • the five, discrete, i. spaced circles form in the sum of a sub-color space 35, which represents a real subset of the achievable color space 33.
  • FIG. 7 shows in a representation comparable to FIG. 6 the actually achievable color space 33 and another lower color space 36, which differs from the lower color space 35 according to FIG.
  • the sub color space 36 is a substantially closed sheet of a predetermined contour K, which in turn is a true subset of the actually achievable color space 33. Also, the sub-color space 36 is projected onto the actually achievable color space in the manner of a stencil.
  • An operator can now advantageously select from a plurality of possible sub-color spaces (e.g., 35 and 36), which are preferably stored in the memory of the device 12, a desired sub-color space.
  • a plurality of possible sub-color spaces e.g., 35 and 36
  • the operator thus has a very convenient way to create predetermined, exact mixed colors.
  • the luminaire according to the invention can be provided with an override line 37 in all exemplary embodiments, as illustrated by the luminaire 10b of FIG.
  • the override line 37 allows recourse to the operating device in the conventional, uncorrected manner, bypassing the electronic component 15b.
  • Such override or random access may be desired, for example, when a user wants to generate the maximum possible luminous flux of the associated luminaire 10b, regardless of the light color generated thereby, or in the event that the user does not place any value on the compensation and correction options.
  • the luminaire according to the invention insofar as it provides a separate electronic component 15 with a corresponding memory and in particular ensuring a correction function, can act in the manner of a converter, and in particular DALI control signals in corrected DALI control signals for a downstream operating device can implement.
  • conversions can also be made that perform a protocol translation, in the manner of a gateway, eg from DMX to DALI or from DALI on DMX or from DALI to pulse width modulated signals or from DALI to a LON BUS or an EIB BUS or vice versa.
  • This conversion function is preferably integrated directly into the separate electronic component 15, 15b, 15e, 15f.
  • the current component Ir can denote the luminous flux which the red luminous means 13e1 is to emit. It can be seen that the current components Ir, Ig and Ib can each be between 0 and 100%, which it could offer, and this is also provided by the DALI protocol, each of the three values Ir, Ig and Ib with eight Bit to occupy, so that 256 different graduations subdivisions are possible.
  • the current vector I with the current components Ir, Ig and Ib is thus present as an input signal or input to the component 15e.
  • the three variables Or, Og and Ob respectively denote the luminous flux which the three luminous means 13e1, 13e2 and 13e3 are supposed to actually emit after the corrections have been made.
  • the variable Or denotes the luminous flux to be emitted by the red luminous means 13e1.
  • the values Or, Og and Ob can be between 0 and 100% and include 256 luminous flux values corresponding to an 8-bit resolution.
  • the matrix or the entries of this matrix correspond to the aforementioned data record and contain the information about the properties of the lighting means.
  • rr, gg and bb are ⁇ 70% and ⁇ 100% if the lamps used are colored LEDs.
  • the values rg, rb, gr, gb, br and bg are ⁇ 0 and ⁇ 5%.
  • the minimum output is, for example, the lowest possible maximum luminous flux of a luminous means.
  • the red light source 13e 1 has an exact color value, a so-called actual color value, which may deviate from a desired color value, that is to say an ideal red by a few nanometers, the requirement arises for low light components of green or blue light through the light sources 13e2 and 13e3 to mix in order to achieve the desired shade of red, ie the desired color light-mixed total light distribution.
  • the electronic component 15e takes account of an exact color value of the red luminous means 13e1, that is to say an actual value which can deviate from a desired value of the red luminous means 13e1.
  • the correction device 24e or the component 15e can make the desired correction by applying the correction matrix K and produce an exact mixed color.
  • the matrix K contains nine constants, which are typically one byte each, i. 8 bits in size, can be selected.
  • the correction matrix becomes more complicated if, in addition to the consideration of production-related color differences and maximum possible luminous flux differences, a temperature dependence is also taken into account.
  • K ( T ) ( r r ( T r ) r G ( T G ) r b ( T b ) G r ( T r ) G G ( T G ) G b ( T b ) b r ( T r ) b G ( T G ) b b ( T b ) )
  • This matrix shows that the individual nine contents of the matrix K (T) are temperature-dependent.
  • the temperature-dependent behavior of these values should therefore be known, at least approximately known.
  • the temperature Tr is, for example, the temperature of the red lamp
  • the temperature Tg is the temperature of the green lamp
  • the temperature Tb is the temperature of the blue lamp.
  • a common ambient temperature for example a board temperature, wherein only a single temperature measurement value M is available. Knowing the channel output O and the temperature measured value M, it is possible to deduce the actual temperature of the individual lamps (red, green, blue).
  • the correction means 24e takes this correction matrix into account, and converts the control signals received from the controller 12 in accordance with the input vector 1 by multiplication with the matrix of K (T, A) into an output signal O which is sent to the operating unit 14e.
  • application of the matrix may also be done directly in the controller 12, e.g. the matrix values of the production-related matrix K, i. a non-temperature and non age-dependent matrix, have been transferred as a result of a read-out of the memory of the lamp to the controller.
  • the matrix values of the production-related matrix K i. a non-temperature and non age-dependent matrix
  • the controller only a part of the matrix correction, for example only the correction based on the aging-related behavior or based on the temperature-related behavior, by the controller, whereas a correction taking into account the maximum luminous flux and the exact color values only in the luminaire.
  • the lighting means 13g is attached to a circuit board 38.
  • a memory 22g into which a data set, e.g. a matrix which contains entries which describe the properties of this luminous means 13g is inscribed.
  • the light propagation of the LED is shown in FIG. 8 only indicated by schematic arrows.
  • the lighting means 13g together with the circuit board 38 and with the memory 22g forms a manageable unit which can be fixed in a luminaire.
  • the memory 22g may be electrically connected to the lighting means 13g via printed conductors, not shown, on the circuit board 38.
  • the memory 22g typically of an electrical component, more preferably containing a ⁇ -processor, is formed, also be associated with a drive unit for the lighting means 13g.
  • the lighting means 13g may be a single-color LED or may also be provided by a plurality, possibly also differently colored LEDs.
  • the memory 22g is electrically connected to the light source 13g, it suffices to provide the unit designated overall by 39 in FIG. 1 with a pair of connecting leads, not shown, which are connected to a light, not shown in FIG. 8, for example a light 10 According to FIG. 1, can be connected.
  • the memory 22g is written in a manner previously described according to the embodiments of Figures 1 to 4 or in a similar manner, a record, which also allows a correction of control signals.
  • the memory content 22 g can either be read out so that the correction function is performed by a correction device which is arranged in the luminaire but separate from the assembly 39.
  • the controller 12, for example, according to FIG. 1, take over the correction function.
  • Correction device 24g and memory 22g may also be part of a single electronic component in the exemplary embodiment which is not shown, which may comprise, for example, a ⁇ -processor and an EEPROM memory.
  • the memory 22g which is associated with the lighting means 13g, can also be arranged structurally separate from the lighting means 13g and from the building unit 39 and, for example, as a data carrier enclosed with the lighting means 13g, e.g. in the form of a CD-ROM or in the form of an SD card, with which bulbs 13g or with the unit 39 are supplied.
  • the lighting means 13g and the memory 22g form an allocation unit, which, however, does not necessarily require a structural connection with one another.
  • the light source 13g can be connected to the light 10 and the memory 22g can be connected to the controller 12 separately from this connection process and be read out can.
  • Both a structurally separate arrangement of memory 22g and lamp 13g and a memory unit 22g and lamp 13g comprehensive unit 39 may allow in one embodiment of the invention, a reading of the memory 22g by a component of the lamp when the bulb 13g is mounted in the lamp or is mounted.
  • Fig. 8 indicates an LED
  • any other type of lighting means may be provided with a comparable memory 22g.
  • a socket body carrying the luminous means, a type of lamp base or a support structure for the luminous means may be provided with the memory 22g.
  • the lighting means forms a structural unit together with an operating device for the lighting means, the memory 22g can also be arranged on this structural unit.
  • the record may be written in the memory 22g when the bulb 13g or the package 39 carrying the bulb 13g is manufactured.
  • the factory-inscription of the data set is therefore preferably at the lamp manufacturer.

Landscapes

  • Circuit Arrangement For Electric Light Sources In General (AREA)
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DE202005003285U DE202005003285U1 (de) 2005-02-25 2005-02-25 Leuchte
DE102005024449A DE102005024449A1 (de) 2005-02-25 2005-05-24 Leuchte

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EP2441619A1 (fr) * 2010-10-15 2012-04-18 Automotive Lighting Reutlingen GmbH Dispositif d'éclairage pour un véhicule automobile
NL2005972C2 (en) * 2011-01-10 2012-07-11 Eldolab Holding Bv Led driver and lighting application for wattage control.
EP2581311A1 (fr) * 2011-10-10 2013-04-17 Hella KGaA Hueck & Co Éclairage par DEL de champ d'aviation
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AT17132U1 (de) * 2015-12-14 2021-06-15 Zumtobel Lighting Gmbh Betriebsgerät für ein Beleuchtungssystem
CN106532380A (zh) * 2016-12-29 2017-03-22 广州视声智能股份有限公司 一种基于knx的智能插座及基于智能插座的电源系统

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