EP3097746A1 - Procédé de commande d'un dispositif d'éclairage adaptatif et système d'éclairage permettant la mise en oeuvre du procédé - Google Patents

Procédé de commande d'un dispositif d'éclairage adaptatif et système d'éclairage permettant la mise en oeuvre du procédé

Info

Publication number
EP3097746A1
EP3097746A1 EP15700714.7A EP15700714A EP3097746A1 EP 3097746 A1 EP3097746 A1 EP 3097746A1 EP 15700714 A EP15700714 A EP 15700714A EP 3097746 A1 EP3097746 A1 EP 3097746A1
Authority
EP
European Patent Office
Prior art keywords
light
digital image
mobile terminal
lighting device
emitting diode
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.)
Ceased
Application number
EP15700714.7A
Other languages
German (de)
English (en)
Inventor
Klaus Vamberszky
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.)
Zumtobel Lighting GmbH Austria
Original Assignee
Zumtobel Lighting GmbH Austria
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
Application filed by Zumtobel Lighting GmbH Austria filed Critical Zumtobel Lighting GmbH Austria
Publication of EP3097746A1 publication Critical patent/EP3097746A1/fr
Ceased legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
    • G05D25/00—Control of light, e.g. intensity, colour or phase
    • G05D25/02—Control of light, e.g. intensity, colour or phase characterised by the use of electric means
    • 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
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47F—SPECIAL FURNITURE, FITTINGS, OR ACCESSORIES FOR SHOPS, STOREHOUSES, BARS, RESTAURANTS OR THE LIKE; PAYING COUNTERS
    • A47F11/00—Arrangements in shop windows, shop floors or show cases
    • A47F11/06—Means for bringing about special optical effects
    • A47F11/10—Arrangements of light sources
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T7/00—Image analysis
    • G06T7/90—Determination of colour characteristics
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
    • H05B45/20—Controlling the colour of the light
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B47/00—Circuit arrangements for operating light sources in general, i.e. where the type of light source is not relevant
    • H05B47/10—Controlling the light source
    • H05B47/105—Controlling the light source in response to determined parameters
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B47/00—Circuit arrangements for operating light sources in general, i.e. where the type of light source is not relevant
    • H05B47/10—Controlling the light source
    • H05B47/105—Controlling the light source in response to determined parameters
    • H05B47/115—Controlling the light source in response to determined parameters by determining the presence or movement of objects or living beings
    • H05B47/125—Controlling the light source in response to determined parameters by determining the presence or movement of objects or living beings by using cameras
    • 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
    • H05B47/19—Controlling the light source by remote control via wireless transmission
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B47/00—Circuit arrangements for operating light sources in general, i.e. where the type of light source is not relevant
    • H05B47/10—Controlling the light source
    • H05B47/175—Controlling the light source by remote control
    • H05B47/196—Controlling the light source by remote control characterised by user interface arrangements
    • H05B47/1965—Controlling the light source by remote control characterised by user interface arrangements using handheld communication devices
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21W—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO USES OR APPLICATIONS OF LIGHTING DEVICES OR SYSTEMS
    • F21W2131/00—Use or application of lighting devices or systems not provided for in codes F21W2102/00-F21W2121/00
    • F21W2131/40—Lighting for industrial, commercial, recreational or military use
    • F21W2131/405—Lighting for industrial, commercial, recreational or military use for shop-windows or displays
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
    • Y02B20/40—Control techniques providing energy savings, e.g. smart controller or presence detection

Definitions

  • the present invention relates to a method for controlling an adaptive lighting device, in particular for illuminating a goods display surface, as well as a lighting system for
  • Meat products such as red, vegetable products
  • lighting or light sources are used, which can add a specific peak or secondary peak (in particular in the red, green or yellow color range) to the emitted light depending on the lighting situation.
  • a specific peak or secondary peak in particular in the red, green or yellow color range
  • Such a light source is in
  • Light-emitting diode module is preferably present inventive method or used in a lighting system according to the invention.
  • the operator can manually set the emitted light to the respective concrete lighting situation.
  • the operator must independently assess which specific lighting (especially which color peaks or secondary color peaks) matches the surface to be illuminated or the illuminated products. It is problematic that the adjustment of the lighting exclusively on the subjective color or
  • Lighting is automatically made to the respective surface to be illuminated in order to make it possible to adjust the lighting regardless of the subjective feeling of an operator.
  • Such lighting with implemented sensors is disclosed, for example, in document EP 2 541 362 Ai.
  • Lighting perception of an operator is also relatively expensive, since in each lighting a corresponding sensor is provided. In addition, the must
  • Sensors can be calibrated regularly or continuously in order to ensure optimum control of the lighting.
  • the sensors have a comparatively high susceptibility to interference or failure, which is due to their relatively high thermal stress within the sensor
  • the present invention has the object to provide a method for controlling an adaptive lighting device, in which the above-mentioned disadvantages of the prior art are eliminated or reduced.
  • the present invention has the object to provide a method with which an adaptive
  • Lighting device (which preferably comprises a light-emitting diode module disclosed in the publication DE 20 2008 005 509 Ui) can be easily adapted to a surface to be illuminated or to a product to be illuminated, without being dependent on the subjective color perception of an operator or without a complex and therefore expensive sensor in one
  • inventive method can be performed.
  • Lighting device in particular for illuminating a
  • Control unit for controlling the light output of the LED module; and an interface for wireless communication;
  • Providing a mobile terminal comprising a wireless communication interface and at least one digital one
  • Controlling of the LED module by the control unit such that it emits light in dependence on the determined dominant color of the digital image light with a specific spectrum.
  • the method according to the invention therefore suggests making a digital image of the surface to be illuminated by a mobile terminal (for example a digital camera or a smartphone) instead of the relatively expensive and complex sensor system mentioned above, which is assigned to a respective illumination unit, and to analyze this digital image and at least one dominant
  • the method according to the invention proposes to replace the sensor technology disclosed in the prior art by a digital camera of a mobile terminal, which can be used for all the lighting devices to be set and arranged, for example, in a department store.
  • an LED module which can emit a specific light spectrum (for example, in order thereby to give one or more specific (selected) (color) peaks or (color) to a white light )
  • a specific light spectrum for example, in order thereby to give one or more specific (selected) (color) peaks or (color) to a white light
  • To be able to add secondary peaks or white light one
  • an LED module is preferably used for carrying out the method according to the invention, which is disclosed in the document DE 20 2008 005 509 Ui.
  • Lighting device is to understand any unit that is capable of processing control commands (for example, transmitted by the mobile terminal) for the adaptive lighting device for controlling the light output of the LED module or based on the analysis data of the digital image (the
  • the mobile terminal can make a corresponding control of the LED module.
  • the digital image can be made of the entire surface to be illuminated or even from one on the zu
  • illuminating surface to be exhibited product unit For example, a digital image of the entire display (e.g., a vegetable, meat, cheese, or bread display) can be made, or even from a product representative of the display.
  • a digital image of the entire display e.g., a vegetable, meat, cheese, or bread display
  • a product representative of the display can be made, or even from a product representative of the display.
  • dominating color can in this case be an exact color (place) point (for example, given by a light wavelength) or a more or less wide color (place) area or
  • the dominant color of meat products is red, yellow and bread products are green and vegetable products are green.
  • these products are irradiated with a light corresponding to the determined dominant color (i.e., for example, a meat display with a (white) light with an increased red content, a bread or cheese display with an increased yellow content and a
  • Vegetable display with increased green light illuminated there may be lighting situations where it is desirable to add to the light emitted by the LED module a color component (e.g., a peak or minor peak) that does not correspond to the determined dominant color. This can, for example, in the case of lighting of textile displays, exhibits in
  • the mobile terminal is a digital camera or a smartphone with at least one digital camera, with which a digital image in the raw data format ⁇ "raw data"), in JPEG format ⁇ "File Interchange Format ") or in TIFF format ⁇ " Tagged Image File Format ").
  • the provision of the digital image in the raw data format has the advantage that when analyzing this data, there is no danger of color losses or defects due to compression of the data. As far as compression of the raw data is desired or necessary, it has been found in practice that when providing the digital image in JPEG format or in the TIFF format, an analysis of the digital image with a sufficiently high and reproducing quality can be made.
  • the LED module is actuated not only with regard to the color of the emitted light of the LED module, but also includes adjusting the light emission angle, the light brightness, the light intensity and / or the light distribution.
  • a lighting device transmitted wherein an analysis of the
  • the data processing program is the
  • the image analysis unit is embodied as an embedded data processing program (so-called “embedded software”)
  • Data processing program for analyzing a digital image it can already be provided in the factory in the adaptive lighting device.
  • Such an embodiment makes it possible for an operator to create digital images of the surface to be illuminated or of the object to be illuminated by means of a commercially available mobile terminal (in particular by means of a digital camera or a smartphone) and to transmit them wirelessly to the adaptive
  • Transmitted lighting device for which no special adaptation or no special data processing program must be provided on the mobile device.
  • Operation can be provided if necessary to provide a corresponding app on the mobile device. This applies to all conceivable embodiments of the present invention.
  • Data processing program running on the mobile device is stored, wherein the mobile terminal control data (ie either immediate control commands for controlling the light output of the LED module or corresponding image analysis data, with the control unit to provide the control parameters or direct control commands for the LED module) to the control unit of the adaptive
  • Lighting device for driving the light emitting diode module transmits.
  • the analysis of the digital image in the second embodiment takes place in the mobile terminal, which for this purpose has or has stored a corresponding data processing program (for example an application software in the form of a so-called app).
  • a corresponding data processing program for example an application software in the form of a so-called app.
  • Data processing program for analyzing the digital image can be loaded or updated via the existing mobile phone interfaces of the smartphone. In other words, this makes it possible to equip operators in a simple manner with a corresponding data processing program or to be able to regularly update or maintain such.
  • the mobile terminal transmits the digital image to a central computer unit, wherein the analysis of the digital image is performed by a data processing program, which is stored on the central computer unit.
  • Such an embodiment again has the advantage that no special hardware or software has to be provided on the mobile terminal and a transmission of the digital image to a central computer unit can take place via an existing mobile radio network.
  • the central computer unit can transmit the control data directly to the control unit of the adaptive lighting device for driving the light-emitting diode module, if corresponding interfaces are present on the adaptive lighting device.
  • the central computer unit the central computer unit the
  • Control data is first transmitted to the mobile terminal, which then sends the control data to the control unit of the adaptive
  • Illuminating device for driving the light-emitting diode module transmitted.
  • a database stored in the mobile terminal, the lighting unit or the central computer unit is used for controlling the light-emitting diode module, in which
  • predefined illumination pattern or control commands for driving the light-emitting diode module are deposited, based on the database the analyzed and / or determined data predefined
  • Illumination pattern or control commands are assigned and the light-emitting diode module is driven based on this assignment. It is thus possible, predefined control commands or
  • illumination pattern for a control that can be easily determined based on the actually determined analysis data (eg dominant color). In this way, complex arithmetic operations can be dispensed with and the control is carried out safely and quickly.
  • the wireless communication between the mobile terminal and the adaptive lighting device is via a wireless local communication network, in particular a Wi-Fi network or a WLAN.
  • the wireless communication between the mobile terminal and the adaptive lighting device may also be by means of an RF / DC transmission, a Bluetooth transmission or a ZigBee transmission.
  • the invention further relates to an illumination system for carrying out a method according to the invention, wherein the illumination system comprises at least the following: an adaptive lighting device according to the invention, comprising at least one LED module configured to emit light having a specific spectrum; a control unit for controlling the light output of the LED module; and an interface for wireless communication; a mobile terminal comprising an interface for wireless communication and further comprising at least one digital camera unit for acquiring a digital image of the area to be illuminated by the adaptive illumination device and / or an object to be illuminated by the adaptive illumination device; an analysis unit suitable for performing an analysis of the digital image, wherein at least one dominant color of the digital image is determined, and wherein the LED module is controllable in dependence on the determined dominant color of the digital image.
  • an adaptive lighting device comprising at least one LED module configured to emit light having a specific spectrum
  • a control unit for controlling the light output of the LED module
  • an interface for wireless communication a mobile terminal comprising an interface for wireless communication and further comprising at least one digital camera unit for acquiring a digital
  • FIGURE 1 shows a schematic view of a lighting system according to the invention.
  • FIG. 1 shows a schematic view of a device according to the invention
  • a lighting system comprising an adaptive lighting device 100, which is used to illuminate a goods display surface 110
  • the illumination system comprises a mobile terminal, in the present case in the form of a smartphone 130.
  • the smartphone 130 comprises a data processing program (preferably a so-called application software in the form of a , ⁇ "), which was transmitted to the smartphone 130, for example via an existing mobile network and stored on this.
  • a data processing program preferably a so-called application software in the form of a , ⁇ "
  • Lighting device 100 radiated light, the operator first creates a digital image (digital photo) of the illuminated
  • Merchandise display area 110 or the product 120 created but creates a plurality of digital images, a subsequent
  • Image analysis can be based.
  • the digital image is preferably provided in JPEG format.
  • At least one dominant color of the digital image is determined (eg in the case of a cheese display
  • the dominant color can also be identified, for example, by marking / selecting a colored surface or a product
  • a sensitive display-user interface e.g, a touch screen
  • further parameters such as the brightness, the size of the goods presentation area 110 to be illuminated or the product 120 and the surface condition (eg reflections, surface structure, etc.) of the product display area 110 to be illuminated or the Goods 120.
  • Computer unit can be connected to the lighting unit wirelessly (eg via WLAN) or wired (eg via DALI).
  • a digital camera unit for example a fruit basket
  • Brightness, size of the object, surface type and structure (for example, reflective or not), etc.) determined from the digital photo.
  • Goods presentation area 110 or dominant color of the goods are by the smartphone 130 corresponding control commands to the control unit of the adaptive lighting device 100 by means of corresponding interfaces for wireless communication
  • wireless communication takes place between the smartphone 130 and the adaptive lighting device 100 via a wireless local communication network, in particular a Wi-Fi network or a WLAN, alternatively also an RF / DC transmission, Bluetooth transmission or ZigBee transmission.
  • a wireless local communication network in particular a Wi-Fi network or a WLAN, alternatively also an RF / DC transmission, Bluetooth transmission or ZigBee transmission.
  • the data that are thereby transmitted to the adaptive lighting device 100 may already be directly control commands for the adaptive lighting device 100 or even merely analysis data, with the aid of which the control unit of the adaptive lighting device 100
  • Lighting device 100 can adjust the light output accordingly.
  • a corresponding control of the emitted light takes place as a function of the ascertained dominant color of the digital image. For example, it was found that the dominant color of the
  • Goods display surface 110 is yellow (for example, in bread or cheese goods), the light emitted by the adaptive illumination device 100, for example, a yellow portion be mixed to improve the subjective color impression of these goods for a viewer.
  • the image analysis it is also preferably determined with which light emission angle, with which light brightness and / or with which light distribution light from the adaptive light source
  • Lighting device 100 is to radiate to an optimal
  • a light-emitting diode module on a database with predefined illumination patterns or control commands, with predefined (groups of) analysis data to be determined Illumination patterns or control commands are assigned.
  • predefined illumination patterns or control commands with predefined (groups of) analysis data to be determined Illumination patterns or control commands are assigned.
  • corresponding predefined ranges of specific data can be identified Color spectrums or other settings of the lighting unit 100 be deposited as lighting patterns or control commands.
  • the illumination unit 100 or the LED module is then activated by means of the illumination patterns or control commands assigned to the determined / analyzed data from the database.
  • the database can be stored in the mobile terminal 130, the lighting unit 100 or in a central computer unit.
  • the method according to the invention thus offers the possibility of a single "sensor system" in the form of a mobile terminal (preferably a smartphone or a mobile terminal)
  • a mobile terminal preferably a smartphone or a mobile terminal
  • the present invention is not limited to a method or lighting system for illuminating a merchandise display area, but may also be used in museums, conference rooms, workplaces, public spaces, facades, street lighting, and the like.
  • Lighting device not on a determined dominant color of the surface to be illuminated or the product to be illuminated be amplified such that the light emitted in the area of the dominant color is added to the radiated light or the light in the or (spectral) range (specific spectrum) of the dominant color radiates, but it may also be desired, a color component or a color which does not correspond to the dominant color.
  • the proportion of light which can be added to the emitted (white) light or the specific spectrum is not limited to the colors green, red and yellow.

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Theoretical Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Automation & Control Theory (AREA)
  • Circuit Arrangement For Electric Light Sources In General (AREA)

Abstract

L'invention concerne un procédé de commande d'un dispositif d'éclairage adaptatif, en particulier servant à éclairer une surface de présentation de marchandises, qui comprend les étapes suivantes : ‑ préparation d'un dispositif d'éclairage adaptatif (100) comprenant : au moins un module de diodes électroluminescentes adapté pour émettre de la lumière possédant un spectre spécifique ; un module de commande servant à commander l'émission de lumière par le module de diodes électroluminescentes ; et une interface de communication sans fil ; ‑ préparation d'un terminal mobile (130) comprenant une interface de communication sans fil et au moins un module de caméra numérique ; ‑ préparation d'une représentation numérique de la surface (110) et/ou d'un objet (120) à éclairer par le dispositif d'éclairage adaptatif (100) au moyen du module de caméra du terminal mobile (130) ; ‑ exécution d'une analyse de la représentation numérique et identification d'au moins une couleur dominante dans la représentation numérique ; ‑ commande du module de diodes électroluminescentes par le module de commande de façon à délivrer, en fonction de la couleur dominante identifiée dans la représentation numérique, de la lumière possédant un spectre spécifique.
EP15700714.7A 2014-01-22 2015-01-20 Procédé de commande d'un dispositif d'éclairage adaptatif et système d'éclairage permettant la mise en oeuvre du procédé Ceased EP3097746A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102014201144.2A DE102014201144A1 (de) 2014-01-22 2014-01-22 Verfahren zur Steuerung einer adaptiven Beleuchtungsvorrichtung und Beleuchtungssystem zum Durchführen des Verfahrens
PCT/EP2015/050973 WO2015110414A1 (fr) 2014-01-22 2015-01-20 Procédé de commande d'un dispositif d'éclairage adaptatif et système d'éclairage permettant la mise en œuvre du procédé

Publications (1)

Publication Number Publication Date
EP3097746A1 true EP3097746A1 (fr) 2016-11-30

Family

ID=52391961

Family Applications (1)

Application Number Title Priority Date Filing Date
EP15700714.7A Ceased EP3097746A1 (fr) 2014-01-22 2015-01-20 Procédé de commande d'un dispositif d'éclairage adaptatif et système d'éclairage permettant la mise en oeuvre du procédé

Country Status (6)

Country Link
US (1) US20170006686A1 (fr)
EP (1) EP3097746A1 (fr)
CN (1) CN105917741A (fr)
AT (1) AT14279U1 (fr)
DE (1) DE102014201144A1 (fr)
WO (1) WO2015110414A1 (fr)

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DE102014201144A1 (de) 2015-07-23
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US20170006686A1 (en) 2017-01-05
WO2015110414A1 (fr) 2015-07-30

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