EP2372484B1 - Method and device for determining a control value or combination of control values needed to generate a desired level of light emission - Google Patents
Method and device for determining a control value or combination of control values needed to generate a desired level of light emission Download PDFInfo
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- EP2372484B1 EP2372484B1 EP11160633.1A EP11160633A EP2372484B1 EP 2372484 B1 EP2372484 B1 EP 2372484B1 EP 11160633 A EP11160633 A EP 11160633A EP 2372484 B1 EP2372484 B1 EP 2372484B1
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- luminaire
- light output
- control values
- combination
- desired light
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- 238000000034 method Methods 0.000 title claims description 33
- 238000012360 testing method Methods 0.000 claims description 35
- 230000005540 biological transmission Effects 0.000 claims description 4
- 230000009365 direct transmission Effects 0.000 claims 1
- 239000003086 colorant Substances 0.000 description 12
- 238000005286 illumination Methods 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000012790 confirmation Methods 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 230000018109 developmental process Effects 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 230000032683 aging Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- 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
- H05B47/18—Controlling the light source by remote control via data-bus transmission
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- 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
Definitions
- the present invention relates to a method by means of which manipulated variables or manipulated value combinations for a luminaire are determined in order to achieve a desired light output. Furthermore, the present invention also relates to a corresponding device for carrying out the method according to the invention.
- DE19942177 describes a lighting device with at least one electrically controllable light source for the illumination of a larger contiguous spatial area, wherein the light source of the lighting device is formed by at least one visible light-emitting semiconductor component.
- the present invention deals with the problem of providing the lighting designer or artist with a tool that allows him a simple and comfortable setting of the lights.
- the object of the present invention is to provide a novel possibility of determining in a simple manner manipulated variables which are required in order to achieve a desired light emission in a luminaire.
- the object is achieved by a method for determining a control value for a luminaire, which has the features of claim 1. Furthermore, the object is achieved by a device for determining a control value according to claim 6.
- Advantageous developments of the invention are the subject of the dependent claims.
- the solution according to the invention is based on the idea of initially operating the luminaire at several test manipulated values and detecting the light output resulting in each case. On the basis of this information, the desired manipulated variable required for achieving a desired light output or the required combination of desired manipulated variables is then calculated.
- the test control values are predetermined by a device, in particular a mobile device, which is also designed to detect the light output of the luminaire and to automatically calculate the desired control value or the desired control value combination based thereon ,
- the solution according to the invention offers the possibility for an end user to control or operate a lamp in such a way that ultimately the desired light output is achieved with regard to its intensity, color and / or color temperature.
- the user instead of a cumbersome determination of what control values are required to realize the desired light output, the user only has to carry out a short test phase in which a reaction of the luminaire to certain changes in the control values is analyzed. As a direct result of this test phase, the required setpoint value is then output by the device according to the invention.
- a user can demen Jardinend the lamp be programmed in the desired manner.
- the process not only offers the possibility of making color adjustments of the luminaire. It could also be used in a simple way to determine the required control value for achieving a certain desired brightness with a dimmable lamp. Since the method can be carried out at any time and in a fast manner, aging phenomena of the luminaire or luminous means which in the course of time lead to changes in the light output can also be taken into account in this way.
- the user himself transmits the test setting values output by the device according to the invention to the luminaire.
- the user controls For example, using an existing local controller, the light at the various test control values. He is supported by the device according to the invention and - passed through the process - for example by means of a graphical representation.
- the device according to the invention itself transmits the test control values to the luminaire.
- the device may, for example, have a corresponding interface via which communication with the luminaire is made possible. Such a procedure would be conceivable in particular if the luminaire is part of a larger illumination system and is connected to a bus or a line for the transmission of control commands. The device according to the invention then only has to be connected to the bus or the line.
- the device according to the invention is, in particular, a portable or mobile device which has corresponding means for detecting and evaluating the light output of the luminaire.
- the use of a camera or a mobile phone would be conceivable.
- a lamp 50 which is arranged on the ceiling 101 of a room to be illuminated 100.
- a recessed ceiling light which has a plurality of different colored light sources, in particular in the colors red, green and blue.
- the light sources can be formed by LEDs of different colors. The use of fluorescent lamps with corresponding color filters would be conceivable.
- the light sources are individually adjustable in their brightness in the illustrated embodiment, so that results in a corresponding choice of intensities, a mixed light in almost any hue. By means not shown optical elements, the light of the individual light sources is mixed so that it is emitted homogeneously via the light exit side 51 of the lamp 50.
- a control unit 60 located on the wall 102 of the room 100 is provided.
- Such control units 60 are usually designed as a touchscreen or with corresponding switches or sliders, which allow individual control of the intensities of the various colors of the lamp 50.
- the user can thus specify a separate control value for each so-called color channel in order to influence the light output of the luminaire 50.
- the user wants to achieve a light output with a very specific color or a specific color temperature, he faces the problem that he does not know the required control values for the individual color channels.
- FIG. 1 generally designated by the reference numeral 1 and to assist the user.
- the object of this device 1 is to analyze the behavior of the luminaire 50 as the manipulated values for the individual channels change and, as a result of this analysis, to inform the user what manipulated variables are required to ultimately achieve the desired light output. Within a short time and in a few steps, this allows the user to set the lamp 50 in the desired manner.
- FIG. 2 A first variant of the procedure according to the invention is in FIG. 2 and will be explained in more detail below.
- the method begins with the first step 30, in which the user tells the device 1 which type of light output is desired for the luminaire 50.
- the device 1 must have corresponding input means for this purpose, which allow the definition of the desired light output.
- the device could have buttons, sliders, knobs or similar input elements.
- the in FIG. 1 is shown, the device 1, a touch screen, so a touch-sensitive surface 2, which allows the input.
- the representation on the touch screen 2 may depend on what settings the light 50 offers. In the illustrated embodiment, for example, it is possible to adjust the color of the emitted light and the brightness. For this purpose, two areas 3 and 4 are shown in the touch screen 2, over which ultimately the desired light output can be defined can.
- the first area 3 makes it possible to set the desired color or color temperature.
- a color diagram is shown in this area 3, in which the achievable by the lamp 50 color range is displayed.
- Planckian curve 3a could be emphasized separately, which describes the area in which 50 light is emitted from the lamp, which is perceived as white light, however, in each case at different temperatures.
- the user can then set the desired light output. Furthermore, an adjustment of the total intensity of the emitted light by means of a slide 5 shown can be made. If appropriate, after a corresponding confirmation, the values defined by the user are then taken over by the device 1.
- the above description refers to a lamp in which the overall brightness can be changed and also a change in color or color temperature is possible.
- the presentation or specification of the desired light output can also be varied.
- a luminaire for example, which is only dimmable, but can not be changed in their color, the use of a single slider would be sufficient.
- test control values are then set by the device 1 in a second step 31.
- the purpose of these test manipulated variables is to analyze the behavior of the luminaire 50.
- the number of test control values can be varied. If it is a luminaire that can be changed in terms of color and brightness, a larger number of test manipulated values is required, whereas in the case of a purely dimmable luminaire only a few test manipulated values are sufficient.
- the device 1 then displays a first test manipulated variable. This is again done via the display 2 of the device 1, the representation of which is then changed in a corresponding manner.
- test control value predetermined by the device 1.
- he must operate the operating device 60 in a corresponding manner.
- each test manipulated variable can of course also represent a combination of manipulated variables, provided that the luminaire has different colors or color channels.
- the resulting light output of the luminaire 50 is then detected in the subsequent step 34.
- This is also done with the aid of the device 1, which has means for detecting the light output.
- a corresponding camera with associated optics could be provided on the back of the device 1, via which the light output is detected and evaluated. The camera is then directed to the light 50, for example, upon confirmation by the user that the predetermined test setpoint has been set.
- the user's interest lies predominantly in making the room to be illuminated appear in a desired brightness and / or color
- step 35 it is then checked whether all the test manipulated variables have already been detected. If this is not the case, the method is again continued with the step 32 and the next test manipulated variable, until finally the light output of the luminaire 50 was analyzed at all previously set test manipulated values.
- the final step 36 is finally proceeded.
- the device 1 calculates on the basis of the previously obtained information which control values are required in order to achieve the desired light output initially specified. These control values are then displayed in turn on the display 2 of the device 1, so that the user can now easily adjust the light 50 via the operating device 60 with the aid of this information.
- the core of the invention is the logic located in the device 1, which calculates corresponding dimming curves for the individual channels on the basis of the information obtained with the aid of the test control values-for example, by interpolation-and finally determines the control values.
- the individual individual brightnesses for the colors are taken into account, but also the corresponding ratio of the brightnesses between the individual colors.
- control step it is possible to continuously measure the light emitted by the luminaire 50 and during the measuring process to prompt the user to gradually increase or decrease individual color channels until ultimately the exact color locus is set. This type of follow-up makes it possible to ensure that the final light output corresponds exactly to the previously given request.
- a further development of the method could also be that prior to the first step, namely the input of the desired light output, the luminaire is analyzed with regard to the question of which settings can be made at all.
- the user is first asked in a series of steps to an analysis and / or an input of known luminaire parameters, about which information on available dimming curves and the total achievable with the light brightnesses and color locations of the primary colors are obtained.
- a color space conversion and a control analysis of the luminaire it is then determined which settings can be made in relation to the luminaire as a whole.
- These parameters are then stored internally as luminaire parameters. Based on this analysis, the user can then define the desired light output in the first step 30 as described above.
- FIG. 1 indicated and in FIG. 3 shown An alternative to that in FIG. 2 shown and described above is in FIG. 1 indicated and in FIG. 3 shown. Basically, this alternative is based on the same procedure, that is, after entering the desired light output is determined by driving the lamp at different test manipulated variables, the behavior of the lamp and based on a setpoint value or a setpoint value combination determined.
- the control of the lamp 50 is carried out by the device 1 itself. For this purpose, for example, the device 1 via a cable 20 and a corresponding connector 21 are connected to a leading to the lamp 50 control line.
- the device 1 then automatically performs the driving of the lamp 50 at the various test control values, whereby the user only has to direct the optical means for detecting the light output to the lamp 50 or the area to be illuminated (for example the wall 102).
- This variant would be conceivable in particular if the luminaire 50 is part of a larger illumination system and is connected to a bus line system which enables the transmission of corresponding control commands.
- the device 1 according to the invention could then control value commands corresponding to transmit known DALI standard. Even with other bus systems, a corresponding procedure would be conceivable.
- this second variant according FIG. 3 could be done by those in the context of the method FIG. 2 with regard to the initial analysis of the control options of the luminaire and the final control step.
- the final control step can in turn be carried out fully automatically by the device 1 itself.
- the solution according to the invention in a simple manner opens up the possibility of making adjustments in luminaires which offer extensive adjustment possibilities in such a way that a desired light output is achieved in a reliable manner.
- the device 1 is - as already mentioned - in particular portable or mobile designed to perform the method according to the invention in each case on site.
- already existing devices can be extended in their corresponding functionality. It would be conceivable, in particular, to use portable cameras or mobile phones, provided that they allow the possibility of image acquisition and the input of information and output of information.
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Description
Die vorliegende Erfindung betrifft ein Verfahren, mit dessen Hilfe Stellwerte bzw. Stellwertkombinationen für eine Leuchte ermittelt werden, um eine gewünschte Lichtabgabe zu erzielen. Ferner betrifft die vorliegende Erfindung auch eine entsprechende Vorrichtung zur Durchführung des erfindungsgemäßen Verfahrens.The present invention relates to a method by means of which manipulated variables or manipulated value combinations for a luminaire are determined in order to achieve a desired light output. Furthermore, the present invention also relates to a corresponding device for carrying out the method according to the invention.
Die Fortschritte bei der Realisierung farbiger Lichtquellen führen dazu, dass zunehmend Leuchten zur Verfügung stehen, welche eine Einstellung der Farbe oder Farbtemperatur ermöglichen. Insbesondere der Einsatz von LEDs eröffnet zwischenzeitlich die Möglichkeit, kostengünstig Leuchten einzusetzen, bei denen Lichtquellen in den Grundfarben Rot, Grün und Blau sowie ggf. Gelb zum Einsatz kommen. Werden diese verschiedenfarbigen Lichtquellen nunmehr in unterschiedlicher Intensität betrieben, so kann ein Mischlicht nahezu jeder beliebigen Farbe oder Farbtemperatur erzeugt werden. Hierdurch lassen sich vollkommen neuartige Beleuchtungseffekte erzielen.The progress in the realization of colored light sources mean that increasingly luminaires are available, which allow adjustment of the color or color temperature. In the meantime, the use of LEDs in particular opens up the possibility of inexpensively using luminaires in which light sources in the primary colors red, green and blue as well as possibly yellow are used. If these differently colored light sources are now operated at different intensities, a mixed light of almost any desired color or color temperature can be produced. As a result, completely new lighting effects can be achieved.
In der Anwendung stehen allerdings Nutzer, beispielsweise Lichtplaner oder Künstler immer wieder vor dem Problem, nicht genau zu wissen, mit welchen Werten die einzelnen Farben bzw. Kanäle der Leuchten angesteuert werden müssen, um eine bestimmte gewünschte Farbe oder einen gewünschten Weißton bzw. eine Farbtemperatur auf der Lichtaustrittsfläche der Leuchte oder einer von der Leuchte angestrahlten Fläche zu erhalten. Oftmals ist es auch aufgrund von Fremdlichteinflüssen schwer oder sogar unmöglich, lediglich mit dem Auge einen gewünschten Farbton oder eine gewünschte Farbtemperatur einzustellen, der bzw. die zuvor unter anderen Bedingungen, beispielsweise in einer Simulation am PC konzipiert wurde.In the application, however, users, for example lighting designers or artists, are constantly faced with the problem of not knowing exactly with which values the individual colors or channels of the luminaires have to be controlled in order to achieve a specific desired color or a desired white tone or a color temperature on the light exit surface of the luminaire or on a surface illuminated by the luminaire. Often it is difficult or even impossible due to extraneous light influences to set only with the eye a desired hue or a desired color temperature, the or was previously designed under other conditions, for example in a simulation on the PC.
Grundsätzlich befasst sich deshalb die vorliegende Erfindung mit dem Problem, dem Lichtplaner oder Künstler ein Werkzeug an die Hand zu geben, welches ihm eine einfache und komfortable Einstellung der Leuchten ermöglicht.Basically, therefore, the present invention deals with the problem of providing the lighting designer or artist with a tool that allows him a simple and comfortable setting of the lights.
Aus dem Stand der Technik sind sogenannte Display-Kalibratoren bekannt, welche zum Einstellen von Displays oder Monitoren verwendet werden. Diese Geräte erfassen die Dimmkurven und Helligkeiten der einzelnen Primärfarben und erstellen darauf basierend ein sogenanntes ICC-Farb-Profil, welches vom Betriebssystem des PCs und der Software der Grafikkarte verwendet wird, um Farben korrekt darzustellen. Derartige Kalibratoren gibt es in kostengünstigen Varianten, sie weisen allerdings den Nachteil auf, dass sie nicht in der Lage sind, den Farbort der Primärfarben zu erfassen. Das Ergebnis ist dementsprechend nicht hinreichend genau. Ferner lassen sich derartige Geräte zum Einstellen von Leuchten nur schwer einsetzen.From the prior art so-called display calibrators are known, which are used for setting displays or monitors. These devices capture the dimming curves and magnitudes of the individual primary colors and, based on this, create a so-called ICC color profile, which is used by the operating system of the PC and the graphics card software to display colors correctly. Such calibrators are available in inexpensive variants, but they have the disadvantage that they are not able to detect the color location of the primary colors. The result is therefore not sufficiently accurate. Furthermore, such devices for adjusting lights can be difficult to use.
Der vorliegenden Erfindung liegt dementsprechend die Aufgabe zu Grunde, eine neuartige Möglichkeit anzugeben, Stellwerte, die erforderlich sind, um bei einer Leuchte eine gewünschte Lichtabgabe zu erzielen, in einfacher Weise zu ermitteln.Accordingly, the object of the present invention is to provide a novel possibility of determining in a simple manner manipulated variables which are required in order to achieve a desired light emission in a luminaire.
Die Aufgabe wird durch ein Verfahren zum Ermitteln eines Stellwerts für eine Leuchte, welches die Merkmale des Anspruchs 1 aufweist, gelöst. Ferner wird die Aufgabe durch eine Vorrichtung zum Ermitteln eines Stellwerts gemäß Anspruch 6 gelöst. Vorteilhafte Weiterbildungen der Erfindung sind Gegenstand der abhängigen Ansprüche.The object is achieved by a method for determining a control value for a luminaire, which has the features of claim 1. Furthermore, the object is achieved by a device for determining a control value according to claim 6. Advantageous developments of the invention are the subject of the dependent claims.
Die erfmdungsgemäße Lösung beruht auf dem Gedanken, die Leuchte zunächst bei mehreren Test-Stellwerten zu betreiben und die sich hierbei jeweils ergebende Lichtabgabe zu erfassen. Auf Basis dieser Informationen wird dann der zum Erzielen einer gewünschten Lichtabgabe erforderliche Soll-Stellwert bzw. die erforderliche Kombination von Soll-Stellwerten berechnet. Dabei ist vorgesehen, dass die Test-Stellwerte durch eine von der Leuchte getrennte, insbesondere mobile Vorrichtung vorgegeben werden, welche ferner dazu ausgebildet ist, die Lichtabgabe der Leuchte zu erfassen und darauf basierend automatisch den Soll-Stellwert bzw. die Soll-Stellwertkombination zu berechnen.The solution according to the invention is based on the idea of initially operating the luminaire at several test manipulated values and detecting the light output resulting in each case. On the basis of this information, the desired manipulated variable required for achieving a desired light output or the required combination of desired manipulated variables is then calculated. In this case, it is provided that the test control values are predetermined by a device, in particular a mobile device, which is also designed to detect the light output of the luminaire and to automatically calculate the desired control value or the desired control value combination based thereon ,
Gemäß der vorliegenden Erfindung wird dementsprechend ein Verfahren zur Ermittlung eines zum Erzielen einer gewünschten Lichtabgabe erforderlichen Soll-Stellwerts bzw. einer Soll-Stellwertkombination für eine Leuchte vorgeschlagen, wobei das Verfahren die folgenden Schritte aufweist:
- Definieren einer gewünschten Lichtabgabe durch einen Benutzer,
- Übermitteln mehrerer Test-Stellwerte an die Leuchte und Erfassen der sich hierbei jeweils ergebenden Lichtabgabe, und
- Berechnen des zum Erzielen der gewünschten Lichtabgabe erforderlichen Soll-Stellwerts bzw. der erforderlichen Kombination von Soll-Stellwerten,
- Defining a desired light output by a user,
- Transmitting several test control values to the luminaire and detecting the resulting light output in each case, and
- Calculating the required manipulated variable required for achieving the desired light output or the required combination of desired manipulated variables,
Ferner wird gemäß der vorliegenden Erfindung eine Vorrichtung zum Ermitteln eines zum Erzielen einer gewünschten Lichtabgabe erforderlichen Soll-Stellwerts bzw. einer Soll-Stellwertkombination für eine Leuchte vorgeschlagen, wobei die Vorrichtung aufweist:
- Mittel zur Eingabe einer gewünschten Lichtabgabe durch einen Benutzer,
- Mittel zur Ausgabe mehrerer Test-Stellwerte für die Leuchte,
- Mittel zum Erfassen der sich bei den Test-Stellwerten ergebenden Lichtabgabe der Leuchte, sowie
- Mittel zum Berechnen und Ausgeben des zum Erzielen der gewünschten Lichtabgabe erforderlichen Soll-Stellwerts bzw. der erforderlichen Kombination von Soll-Stellwerten.
- Means for inputting a desired light output by a user,
- Means for outputting a plurality of test setting values for the luminaire,
- Means for detecting the light output of the luminaire resulting from the test control values, as well as
- Means for calculating and outputting the required control value required for achieving the desired light output or the required combination of desired control values.
Die erfindungsgemäße Lösung bietet für einen Endbenutzer in einfacher Weise die Möglichkeit, eine Leuchte derart anzusteuern bzw. zu betreiben, dass letztendlich exakt die gewünschte Lichtabgabe hinsichtlich ihrer Intensität, Farbe und/oder Farbtemperatur erzielt wird. Anstelle eines umständlichen Ermittelns, welche Stellwerte zum Realisieren der gewünschten Lichtabgabe erforderlich sind, muss der Benutzer lediglich eine kurze Testphase durchführen, bei der eine Reaktion der Leuchte auf gewisse Veränderungen der Stellwerte analysiert wird. Als unmittelbares Ergebnis dieser Testphase wird dann durch die erfindungsgemäße Vorrichtung der erforderliche Soll-Stellwert ausgegeben. Innerhalb kürzester Zeit kann durch einen Benutzer demensprechend die Leuchte in gewünschter Weise programmiert werden.The solution according to the invention offers the possibility for an end user to control or operate a lamp in such a way that ultimately the desired light output is achieved with regard to its intensity, color and / or color temperature. Instead of a cumbersome determination of what control values are required to realize the desired light output, the user only has to carry out a short test phase in which a reaction of the luminaire to certain changes in the control values is analyzed. As a direct result of this test phase, the required setpoint value is then output by the device according to the invention. Within a very short time, a user can demensprechend the lamp be programmed in the desired manner.
Dabei eröffnet das Verfahren nicht nur die Möglichkeit, Farbeinstellungen der Leuchte vorzunehmen. Es könnte in einfacher Weise auch dazu genutzt werden, bei einer dimmbaren Leuchte den zum Erzielen einer bestimmten gewünschten Helligkeit erforderlichen Stellwert zu bestimmen. Da das Verfahren jederzeit und in schneller Weise durchführbar ist, können auf diesem Wege insbesondere auch Alterungserscheinungen der Leuchte oder Leuchtmittel, die im Laufe der Zeit zu Veränderungen der Lichtabgabe führen, berücksichtigt werden.The process not only offers the possibility of making color adjustments of the luminaire. It could also be used in a simple way to determine the required control value for achieving a certain desired brightness with a dimmable lamp. Since the method can be carried out at any time and in a fast manner, aging phenomena of the luminaire or luminous means which in the course of time lead to changes in the light output can also be taken into account in this way.
Bei einer ersten Variante des erfindungsgemäßen Verfahrens ist vorgesehen, dass der Benutzer selbst die von der erfindungsgemäßen Vorrichtung ausgegebenen Test-Stellwerte an die Leuchte übermittelt. In diesem Fall steuert also der Benutzer beispielsweise mit Hilfe eines vorhandenen lokalen Steuergeräts die Leuchte bei den verschiedenen Test-Stellwerten an. Er wird hierbei durch die erfindungsgemäße Vorrichtung unterstützt und - beispielsweise mittels einer graphischen Darstellung - durch das Verfahren geleitet. Alternativ hierzu könnte allerdings auch vorgesehen sein, dass die erfindungsgemäße Vorrichtung selbst die Test-Stellwerte an die Leuchte übermittelt. In diesem Fall kann die Vorrichtung beispielsweise eine entsprechende Schnittstelle aufweisen, über welche eine Kommunikation mit der Leuchte ermöglicht ist. Eine derartige Vorgehensweise wäre insbesondere dann denkbar, wenn die Leuchte Bestandteil eines größeren Beleuchtungssystems ist und an einen Bus bzw. eine Leitung zur Übertragung von Steuerbefehlen angeschlossen ist. Die erfindungsgemäße Vorrichtung muss dann lediglich an den Bus bzw. die Leitung angeschlossen werden.In a first variant of the method according to the invention, it is provided that the user himself transmits the test setting values output by the device according to the invention to the luminaire. In this case, the user controls For example, using an existing local controller, the light at the various test control values. He is supported by the device according to the invention and - passed through the process - for example by means of a graphical representation. Alternatively, however, it could also be provided that the device according to the invention itself transmits the test control values to the luminaire. In this case, the device may, for example, have a corresponding interface via which communication with the luminaire is made possible. Such a procedure would be conceivable in particular if the luminaire is part of a larger illumination system and is connected to a bus or a line for the transmission of control commands. The device according to the invention then only has to be connected to the bus or the line.
Wie bereits erwähnt handelt es sich bei der erfindungsgemäßen Vorrichtung insbesondere um ein tragbares bzw. mobiles Gerät, welches über entsprechende Mittel zum Erfassen und Bewerten der Lichtabgabe der Leuchte verfügt. Hierbei wäre insbesondere die Nutzung einer Kamera oder eines Mobiltelefons denkbar.As already mentioned, the device according to the invention is, in particular, a portable or mobile device which has corresponding means for detecting and evaluating the light output of the luminaire. In particular, the use of a camera or a mobile phone would be conceivable.
Nachfolgend soll die Erfindung anhand der beiliegenden Zeichnung näher erläutert werden. Es zeigen:
- Fig. 1
- schematisch eine Anordnung zur Durchführung des erfindungsgemäßen Verfahrens zum Ermitteln eines Soll-Stellwerts für eine Leuchte und
- Fig. 2 und 3
- Ablaufdiagramme zweier Varianten des erfindungsgemäßen Verfahrens.
- Fig. 1
- schematically an arrangement for carrying out the method according to the invention for determining a desired control value for a lamp and
- FIGS. 2 and 3
- Flowcharts of two variants of the method according to the invention.
Als Anwendungsbeispiel des erfindungsgemäßen Verfahrens zeigt
Derartige Bedieneinheiten 60 sind üblicherweise als Touchscreen oder mit entsprechenden Schaltern oder Schiebern ausgestaltet, welche eine individuelle Steuerung der Intensitäten der verschiedenen Farben der Leuchte 50 ermöglichen. Der Benutzer kann also für jeden sogenannten Farbkanal einen eigenständigen Stellwert vorgeben, um die Lichtabgabe der Leuchte 50 zu beeinflussen. Möchte der Benutzer allerdings eine Lichtabgabe mit einem ganz speziellen Farbton oder einer bestimmten Farbtemperatur erzielen, so steht er vor dem Problem, dass ihm die hierfür erforderlichen Stellwerte für die einzelnen Farbkanäle nicht bekannt sind. Durch verschiedene Versuche könnte zwar letztendlich eine Einstellung gefunden werden, die der gewünschten Lichtabgabe nahe kommt. Diese Vorgehensweise ist allerdings aufwändig und führt nicht zielsicher zu dem gewünschten Ergebnis.Such control units 60 are usually designed as a touchscreen or with corresponding switches or sliders, which allow individual control of the intensities of the various colors of the lamp 50. The user can thus specify a separate control value for each so-called color channel in order to influence the light output of the luminaire 50. However, if the user wants to achieve a light output with a very specific color or a specific color temperature, he faces the problem that he does not know the required control values for the individual color channels. Through various experiments, although ultimately a setting could be found that comes close to the desired light output. However, this procedure is complicated and does not lead unerringly to the desired result.
Zur Lösung dieses Problems wird nunmehr die Verwendung eines speziellen Geräts vorgeschlagen, welches in
Eine erste Variante der erfindungsgemäßen Vorgehensweise ist in
Das Verfahren beginnt dabei mit dem ersten Schritt 30, in dem der Benutzer dem Gerät 1 mitteilt, welche Art der Lichtabgabe für die Leuchte 50 gewünscht ist. Das Gerät 1 muss hierzu entsprechende Eingabemittel aufweisen, welche das Definieren der gewünschten Lichtabgabe ermöglichen. Hierfür wären verschiedene Ausgestaltungen denkbar, beispielsweise könnte das Gerät Tasten, Schieber, Drehregler oder ähnliche Eingabeelemente aufweisen. In einer besonders bevorzugten Ausführungsform hingegen, die in
Die Darstellung auf dem Touchscreen 2 kann davon abhängig sein, welche Einstellmöglichkeiten die Leuchte 50 bietet. Im dargestellten Ausführungsbeispiel besteht beispielsweise die Möglichkeit, die Farbe des abgegebenen Lichts sowie die Helligkeit einzustellen. Hierzu werden im Touchscreen 2 zwei Bereiche 3 und 4 dargestellt, über welche letztendlich die gewünschte Lichtabgabe definiert werden kann. Der erste Bereich 3 ermöglicht hierbei die Einstellung der gewünschten Farbe bzw. Farbtemperatur. Dazu wird in diesem Bereich 3 ein Farbdiagramm dargestellt, in dem der durch die Leuchte 50 erzielbare Farbbereich angezeigt wird. Hierbei könnte insbesondere auch der sogenannte Plancksche Kurvenzug 3a gesondert hervorgehoben werden, der den Bereich beschreibt, in dem von der Leuchte 50 Licht abgegeben wird, welches als weißes Licht allerdings jeweils bei unterschiedlichen Temperaturen wahrgenommen wird. Durch ein einfaches Berühren desjenigen Bereichs des Farbdiagramms 3, der der gewünschten Farbe oder Farbtemperatur entspricht, kann dann der Benutzer die gewünschte Lichtabgabe festlegen. Ferner kann eine Einstellung der Gesamtintensität des abgegebenen Lichts mit Hilfe eines dargestellten Schiebers 5 vorgenommen werden. Gegebenenfalls nach einer entsprechenden Bestätigung werden dann die durch den Benutzer definierten Werte von dem Gerät 1 übernommen.The representation on the
Wie bereits erwähnt bezieht sich die obige Schilderung auf eine Leuchte, bei der die Gesamthelligkeit verändert werden kann und auch eine Änderung der Farbe oder Farbtemperatur möglich ist. Je nach Art der Leuchte kann allerdings die Darstellung bzw. das Vorgeben der gewünschten Lichtabgabe auch variiert werden. Bei einer Leuchte, welche beispielsweise lediglich dimmbar ist, nicht jedoch in ihrer Farbe verändert werden kann, wäre die Nutzung eines einzigen Schiebers ausreichend.As already mentioned, the above description refers to a lamp in which the overall brightness can be changed and also a change in color or color temperature is possible. Depending on the type of luminaire, however, the presentation or specification of the desired light output can also be varied. In a luminaire, for example, which is only dimmable, but can not be changed in their color, the use of a single slider would be sufficient.
Nach dem ersten Schritt 30 werden dann in einem zweiten Schritt 31 durch das Gerät 1 verschiedene Test-Stellwerte festgelegt. Wie bereits erwähnt ist Zweck dieser Test-Stellwerte das Verhalten der Leuchte 50 zu analysieren. Je nach Komplexität der Steuerungsmöglichkeiten für die Leuchte 50 kann dabei die Anzahl der Test-Stellwerte variiert werden. Handelt es sich um eine Leuchte, die hinsichtlich ihrer Farbe und Helligkeit veränderbar ist, so ist eine größere Anzahl von Test-Stellwerten erforderlich, während hingegen bei einer rein dimmbaren Leuchte nur wenige Test-Stellwerte ausreichen.After the
Im darauffolgenden Schritt 32 wird dann durch das Gerät 1 ein erster Test-Stellwert angezeigt. Dies erfolgt wiederum über das Display 2 des Geräts 1, dessen Darstellung dann in entsprechender Weise geändert wird.In the
Bei der ersten Variante des erfindungsgemäßen Verfahrens ist nunmehr vorgesehen, dass der Benutzer selbst den durch das Gerät 1 vorgegebenen Test-Stellwert einstellt. Hierzu muss er die Bedieneinrichtung 60 in entsprechender Weise bedienen. Anzumerken ist in diesem Zusammenhang, dass jeder Test-Stellwert selbstverständlich auch eine Kombination von Stellwerten darstellen kann, sofern die Leuchte verschiedene Farben bzw. Farbkanäle aufweist.In the first variant of the method according to the invention, provision is now made for the user himself to set the test control value predetermined by the device 1. For this purpose, he must operate the operating device 60 in a corresponding manner. It should be noted in this context that each test manipulated variable can of course also represent a combination of manipulated variables, provided that the luminaire has different colors or color channels.
Die resultierende Lichtabgabe der Leuchte 50 wird dann in dem darauffolgenden Schritt 34 erfasst. Auch dies erfolgt mit Hilfe des Geräts 1, welches Mittel zum Erfassen der Lichtabgabe aufweist. Hierfür könnte beispielsweise an der Rückseite des Geräts 1 eine entsprechende Kamera mit zugeordneter Optik vorgesehen sein, über welche die Lichtabgabe erfasst und bewertet wird. Die Kamera wird dann beispielsweise nach einer Bestätigung des Benutzers, dass der vorgegebene Test-Stellwert eingestellt wurde, auf die Leuchte 50 gerichtet.The resulting light output of the luminaire 50 is then detected in the subsequent step 34. This is also done with the aid of the device 1, which has means for detecting the light output. For this purpose, for example, a corresponding camera with associated optics could be provided on the back of the device 1, via which the light output is detected and evaluated. The camera is then directed to the light 50, for example, upon confirmation by the user that the predetermined test setpoint has been set.
Liegt hingegen das Interesse des Benutzers vorwiegend darin, den zu beleuchtenden Raum in einer gewünschten Helligkeit und/oder Farbe erscheinen zu lassen, so wäre es selbstverständlich auch denkbar, die Mittel zum Erfassen der Lichtabgabe beispielsweise auf die Wand 102 des Raums zu richten. Wesentlich ist, dass in diesem Schritt durch das Gerät 1 die sich bei Ansteuerung der Leuchte 50 mit dem vorgegebenen Test-Stellwert ergebende Lichtabgabe bzw. resultierende Beleuchtung erfasst wird.If, on the other hand, the user's interest lies predominantly in making the room to be illuminated appear in a desired brightness and / or color, it would of course also be conceivable to direct the means for detecting the light output, for example, to the wall 102 of the room. It is essential that in this step by the device 1, which is detected when driving the lamp 50 with the predetermined test value resulting light output or resulting illumination.
Im darauffolgenden Schritt 35 wird dann überprüft, ob bereits sämtliche Test-Stellwerte erfasst wurden. Ist dies nicht der Fall, so wird das Verfahren wiederum mit dem Schritt 32 und dem nächsten Test-Stellwert fortgesetzt, bis letztendlich die Lichtabgabe der Leuchte 50 bei allen zuvor festgelegten Test-Stellwerten analysiert wurde. Ist diese Prozedur abgeschlossen, wird schließlich mit dem abschließenden Schritt 36 fortgefahren. In diesem Schritt wird durch das Gerät 1 auf Basis der zuvor erhaltenen Informationen berechnet, welche Stellwerte erforderlich sind, um die eingangs vorgegebene gewünschte Lichtabgabe zu erzielen. Diese Stellwerte werden dann wiederum auf dem Display 2 des Geräts 1 dargestellt, so dass der Benutzer nunmehr mit Hilfe dieser Informationen die Leuchte 50 bequem über das Bediengerät 60 einstellen kann.In the
Kernstück der Erfindung ist die in dem Gerät 1 befindliche Logik, welche auf Basis der mit Hilfe der Test-Stellwerte gewonnenen Informationen - beispielsweise durch Interpolation - entsprechende Dimmkurven für die einzelnen Kanäle berechnet und letztendlich die Stellwerte ermittelt. Hierbei werden nicht nur die einzelnen individuellen Helligkeiten für die Farben berücksichtigt sondern auch das entsprechende Verhältnis der Helligkeiten zwischen den einzelnen Farben.The core of the invention is the logic located in the device 1, which calculates corresponding dimming curves for the individual channels on the basis of the information obtained with the aid of the test control values-for example, by interpolation-and finally determines the control values. Here, not only the individual individual brightnesses for the colors are taken into account, but also the corresponding ratio of the brightnesses between the individual colors.
In Weiterbildung des in
Eine weitere Weiterbildung des Verfahrens könnte ferner darin bestehen, dass vor dem ersten Schritt, nämlich der Eingabe der gewünschten Lichtabgabe, die Leuchte hinsichtlich der Frage analysiert wird, welche Einstellungen überhaupt vorgenommen werden können. Hierbei wird der Benutzer zunächst im Rahmen mehrerer Schritte zu einer Analyse und/oder einer Eingabe von bekannten Leuchtenparametern aufgefordert, über welche Informationen über zur Verfügung stehenden Dimmkurven und die mit der Leuchte insgesamt erzielbaren Helligkeiten und Farborte der Primärfarben erhalten werden. Auf Basis dieser Farbanalyse, einer Farbraumkonversion sowie einer Ansteuerungsanalyse der Leuchte wird dann ermittelt, welche Einstellungen zu der Leuchte insgesamt vorgenommen werden können. Diese Parameter werden dann als Leuchtenparameter intern gespeichert. Auf Basis dieser Analyse kann dann der Benutzer wie zuvor beschrieben im ersten Schritt 30 die gewünschte Lichtabgabe definieren.A further development of the method could also be that prior to the first step, namely the input of the desired light output, the luminaire is analyzed with regard to the question of which settings can be made at all. Here, the user is first asked in a series of steps to an analysis and / or an input of known luminaire parameters, about which information on available dimming curves and the total achievable with the light brightnesses and color locations of the primary colors are obtained. On the basis of this color analysis, a color space conversion and a control analysis of the luminaire, it is then determined which settings can be made in relation to the luminaire as a whole. These parameters are then stored internally as luminaire parameters. Based on this analysis, the user can then define the desired light output in the
Eine Alternative zu dem in
Auch diese zweite Variante gemäß
Letztendlich eröffnet also die erfindungsgemäße Lösung in einfacher Weise die Möglichkeit, Einstellungen bei Leuchten, die umfangreiche Einstellmöglichkeiten bieten, derart vorzunehmen, dass in zuverlässiger Weise eine gewünschte Lichtabgabe erzielt wird.In the end, therefore, the solution according to the invention in a simple manner opens up the possibility of making adjustments in luminaires which offer extensive adjustment possibilities in such a way that a desired light output is achieved in a reliable manner.
Das Gerät 1 ist dabei - wie bereits erwähnt - insbesondere tragbar bzw. mobil ausgestaltet, um jeweils vor Ort das erfindungsgemäße Verfahren durchführen zu können. Dabei können insbesondere auch bereits vorhandene Geräte in ihrer entsprechenden Funktionalität erweitert werden. Denkbar wäre insbesondere, tragbare Kameras oder Mobiltelefone zu nutzen, sofern diese die Möglichkeit der Bilderfassung sowie der Eingabe von Informationen und Ausgabe von Informationen ermöglichen.The device 1 is - as already mentioned - in particular portable or mobile designed to perform the method according to the invention in each case on site. In particular, already existing devices can be extended in their corresponding functionality. It would be conceivable, in particular, to use portable cameras or mobile phones, provided that they allow the possibility of image acquisition and the input of information and output of information.
Claims (10)
- A method for determining a target control value or a combination of target control values for a luminaire (50) required for achieving a desired light output, having the following steps:• Defining a desired light output by a user,• transmitting several test control values to the luminaire and detecting the light output resulting in each case in this connection, and• calculating the required target control value or the required combination of target control values for achieving the desired light output,wherein the test control values are specified by in particular a mobile device (1) separate from the luminaire, which also detects the light output of the luminaire (50) resulting in each case and based thereon calculates the target control value or the combination of target control values.
- A method according to Claim 1,
characterized in
that the transmission of the test control values to the luminaire is effected by the user or manually. - A method according to Claim 1,
characterized in
that the transmission of the test control values to the luminaire (50) is effected by the device(1). - A method according to any one of the preceding claims,
characterized in
that the defining of the desired light output includes the specification of a brightness, a color and/or a color temperature of the light to be output by the luminaire (50). - A method according to any one of the preceding claims,
characterized in
that the mobile device (1) is a mobile telephone. - A device (1) for determining a target control value or a combination of target control values required for achieving a desired light output for a luminaire (50), wherein the device (1) has:• Means for the input of a desired light output by a user,• means for the output of several test control values for the luminaire (50),• means for detecting the light output of the luminaire (50) resulting from the test control values, as well as• means for calculating and outputting the required target control value or the required combination of target control values for achieving the desired light output.
- A device according to Claim 6,
characterized in
that the means for the output of the test control values have a display (2). - A device according to Claim 6,
characterized in
that the means for the output of the test control values have an interface, by means of which the direct transmission of the control values to the luminaire (50) is made possible. - A device according to any one of Claims 6 to 8,
characterized in
that the means for inputting the desired light output have a keyboard or a touch screen. - A device according to any one of Claims 6 to 9,
characterized in
that the device (1) is a camera or a mobile telephone.
Applications Claiming Priority (1)
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DE102010003593A DE102010003593A1 (en) | 2010-04-01 | 2010-04-01 | Method and device for determining a control value or a control value combination required to achieve a desired light output |
Publications (3)
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EP2372484A2 EP2372484A2 (en) | 2011-10-05 |
EP2372484A3 EP2372484A3 (en) | 2016-08-31 |
EP2372484B1 true EP2372484B1 (en) | 2018-10-03 |
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EP11160633.1A Active EP2372484B1 (en) | 2010-04-01 | 2011-03-31 | Method and device for determining a control value or combination of control values needed to generate a desired level of light emission |
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DE102015002640A1 (en) * | 2015-03-03 | 2016-03-24 | Diehl Aerospace Gmbh | Color matching between different lights |
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DE19606674B4 (en) * | 1996-02-22 | 2004-05-13 | Siemens Ag | Procedure for controlling the lighting of a room |
DE19619281A1 (en) * | 1996-05-13 | 1997-11-20 | Zumtobel Licht | System and control device for controlling the brightness of a room |
DE19942177A1 (en) * | 1999-09-03 | 2001-03-22 | Osram Opto Semiconductors Gmbh | Lamp with electrically-controlled light source provided by semiconductor element emitting visible electromagnetic radiation controlled for providing variable light intensity and/or color spectrum |
DE60021911T3 (en) * | 1999-11-18 | 2016-04-14 | Philips Lighting North America Corp., N. D. Ges. D. Staates Delaware | Systems and methods for generating and modulating lighting conditions |
DE10239449B4 (en) * | 2002-02-06 | 2013-10-24 | Ulrich Kuipers | Method and device for the realization of LED lights with color and brightness adjustment and the associated control element |
DE102004018804A1 (en) * | 2004-04-15 | 2005-11-10 | Erco Leuchten Gmbh | Device for controlling a plurality of luminaires |
EP1997352B2 (en) * | 2006-03-13 | 2022-08-31 | Signify Holding B.V. | Control device for controlling the color of light emitted from a light source |
DE102007036978A1 (en) * | 2007-08-06 | 2009-02-12 | Tridonicatco Gmbh & Co. Kg | Device and method for controlling the light output |
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2010
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DE102010003593A1 (en) | 2011-10-06 |
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