WO2014037304A1 - Dispositif d'éclairage et procédé permettant de le commander - Google Patents

Dispositif d'éclairage et procédé permettant de le commander Download PDF

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Publication number
WO2014037304A1
WO2014037304A1 PCT/EP2013/068087 EP2013068087W WO2014037304A1 WO 2014037304 A1 WO2014037304 A1 WO 2014037304A1 EP 2013068087 W EP2013068087 W EP 2013068087W WO 2014037304 A1 WO2014037304 A1 WO 2014037304A1
Authority
WO
WIPO (PCT)
Prior art keywords
light
region
brightness
area
lighting device
Prior art date
Application number
PCT/EP2013/068087
Other languages
German (de)
English (en)
Inventor
Uwe Strauss
Gerhard Kuhn
Original Assignee
Osram Opto Semiconductors 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
Application filed by Osram Opto Semiconductors Gmbh filed Critical Osram Opto Semiconductors Gmbh
Publication of WO2014037304A1 publication Critical patent/WO2014037304A1/fr

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V23/00—Arrangement of electric circuit elements in or on lighting devices
    • F21V23/04—Arrangement of electric circuit elements in or on lighting devices the elements being switches
    • F21V23/0442—Arrangement of electric circuit elements in or on lighting devices the elements being switches activated by means of a sensor, e.g. motion or photodetectors
    • F21V23/0464—Arrangement of electric circuit elements in or on lighting devices the elements being switches activated by means of a sensor, e.g. motion or photodetectors the sensor sensing the level of ambient illumination, e.g. dawn or dusk sensors
    • 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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S8/00—Lighting devices intended for fixed installation
    • 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
    • F21W2131/10—Outdoor lighting
    • F21W2131/101—Outdoor lighting of tunnels or the like, e.g. under bridges
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
    • F21Y2113/00—Combination of light sources
    • F21Y2113/10—Combination of light sources of different colours
    • F21Y2113/13—Combination of light sources of different colours comprising an assembly of point-like light sources
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
    • F21Y2115/00—Light-generating elements of semiconductor light sources
    • F21Y2115/10—Light-emitting diodes [LED]
    • 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

  • Lighting device and method of controlling the same There is provided a lighting device and a method of controlling the same.
  • Lighting device is particularly suitable for use in an interior or in a darkened area such as in a tunnel.
  • Color temperature of daylight Different color temperature of artificially generated light.
  • the color temperature or the color location of the artificially generated light to match the corresponding property of daylight. Also more unwanted
  • the spectral characteristic is adapted only to a particular form of daylight; For example, the spectral characteristic may typically be dominant at midday
  • Solid state light sources in such a way that the
  • Color temperature can be set manually.
  • the disadvantage of this solution is that it costs the user
  • the first area may in particular be an area in which little or no daylight falls
  • the second area may in particular be an area in which daylight falls.
  • Lighting device at least one light source, which is arranged in a first region and is adapted to emit light during operation. Furthermore, the light source is arranged in a first region and is adapted to emit light during operation. Furthermore, the light source is arranged in a first region and is adapted to emit light during operation. Furthermore, the light source is arranged in a first region and is adapted to emit light during operation. Furthermore, the light source is arranged in a first region and is adapted to emit light during operation. Furthermore, the
  • Light source at least one control means, which
  • control means energizes the light source as a function of the brightness and / or spectral property of the light falling into the second region.
  • the brightness is the intensity of the light.
  • the spectral property may be, for example, the color locus of the light. In a further preferred embodiment, it may be in the Spectral property to the correlated color temperature of the light act.
  • the control means is, for example, a microcontroller.
  • Range is preferably at least Im. Between the first region and the second region may further a
  • Transition area lie.
  • the control means may adjust the brightness and / or spectral
  • Control means the brightness of the light source
  • Lighting device further comprises at least one light sensor, which is arranged in the second region and to
  • the light sensor detects in operation information that depends on the brightness and / or spectral property of the incident on the light sensor light.
  • the light sensor preferably determines at least one measured value that corresponds to the brightness and / or spectral
  • Property of the light incident on the light sensor is directly proportional, or a measured variable from which, for example, by the control means, the brightness and / or spectral characteristic of the light incident on the light sensor can be calculated.
  • the light sensor may, for example, two or three
  • Color sensors for measuring different spectral components of the incident on the light sensor light include. everybody
  • Color sensor may be, for example, a provided with a color filter brightness sensor, or a photodiode, which is designed to preferably detect light in a specific spectral range.
  • a first color sensor may preferably detect light in a red spectral range
  • a second color sensor may preferably detect light in a green spectral range
  • a third color sensor may preferably light in a blue
  • the photodiode may be a semiconductor photodiode, such as an InGaAlP photosensor and / or a reverse driven diode.
  • Lighting device comprises the light source at least three LED chips, which preferably emit in three different spectral ranges, and the light sensor comprises at least three color sensors, preferably light in
  • Lighting device comprises the light sensor two
  • a red spectral range and a blue spectral range act.
  • a third color sensor is saved.
  • Lighting device is in the light sensor is a brightness sensor. As a result, it is advantageously possible to determine the brightness of the light falling into the second region and to adjust the brightness of the light emitted by the light source accordingly by means of a corresponding control of the light source.
  • Lighting device the light sensor comprises a
  • a (broadband) brightness sensor and a Color sensor which preferably detects light in a (preferably narrow) spectral range. This may be, for example, a red spectral range or a blue one
  • Spectral range act, preferably according to one
  • the light sensor is preferably arranged such that the daylight strikes the light sensor, for example in the vicinity of a window.
  • Lighting device comprises the light source at least one LED chip.
  • the light source comprises at least one light-emitting diode chip which is suitable for emitting light in the red spectral range, at least one
  • the control means is preferably designed so that it can energize the LED chips independently of each other, so that it by suitable choice of an intensity in the red spectral range, an intensity in the green
  • Spectral range the brightness and / or spectral property of the light emitted from the light source can be adjusted over a wide range.
  • white light having a desired color location or having a desired correlated color temperature can be generated.
  • the intensity of the light emitted by one of the light-emitting diode chips can be adjusted, for example, by means of the intensity of the current with which this light-emitting diode chip is energized. The higher the current, the higher the intensity of the emitted light.
  • Lighting device comprises the light source at least one light emitting diode and at least one xenon lamp.
  • Light-emitting diode preferably comprises at least one
  • the light-emitting diode may comprise further light-emitting diode chips, which may be suitable for emitting light in the blue and / or green spectral range.
  • Lighting device comprises the light source at least two white light sources, for example, two light-emitting diodes, which are adapted to emit white light during operation.
  • the white light sources have different Color temperatures on;
  • one of the white light sources may be a cold white light source whose color temperature may be 5500K, for example, and the other white light source may be a warm white light source whose color temperature may be 3000K, for example.
  • the color temperature of the light emitted by the light source continuously by appropriate energization of the white light sources between the two color temperatures of the white light sources.
  • the different color temperatures can be achieved in particular by having two light-emitting diodes with
  • Lighting device is the first area
  • the light conditions in the daylight-free region can be made despite the defect at real
  • Daylight to the lighting conditions in the second area for example in other, lit with natural light rooms of a building to be adjusted.
  • the second area may in particular be an area in the vicinity of the first area, wherein between the first area and the second area
  • Transition area can lie.
  • the extent of changes in the brightness and / or spectral property of the illumination is advantageously reduced. Furthermore, it is advantageously avoided that the user when entering the
  • the light source may preferably be designed and
  • Lighting device is at least one opaque between the first region and the second region
  • the separating element can be, for example, a house wall, a room wall or a door device.
  • the first area may in particular be arranged in a windowless room, and the second area may in particular in an outdoor area of a
  • Lighting device is the first area in a first Space and the second area disposed in a second space, and the light sensor is disposed in the second space in the vicinity of a transition to the first space.
  • the light sensor is arranged in the second space at a distance of less than Im, more preferably at a distance of less than 0.5m from the transition to the first space.
  • the lighting device Embodiment, the lighting device
  • a change in brightness of less than 25% of a brightness occurs in the first region; this is a brightness difference at the limit of perceptibility for a typical user.
  • a change in brightness of less than 10% of a brightness in the first area is preferred.
  • a change in brightness of less than 5% of a brightness in the first area is preferred.
  • Lighting device at least two light sensors, and the control means is designed, depending on the
  • Light sensors transmitted information and on this basis the brightness and / or spectral
  • a first light sensor may be arranged in a window-near area on which Daylight hits, and a second light sensor may be disposed near a junction between the second region and the first region.
  • the control means in this case in daylight the
  • Area and the first area can be designed as continuous as possible.
  • Lighting device may be the first area in a
  • Tunnels and the second area to be arranged in an outer area of the tunnel may be
  • the visibility of drivers may be compromised if their eyes do not immediately follow one another
  • the second area may comprise the entire area within the tunnel. Preferably, however, especially in longer tunnels, the second area only one
  • Entrance area and / or an exit area of the tunnel include, whereas an intermediate area inside the tunnel is equipped with energy-saving lighting.
  • the entrance area and / or the exit area and the intermediate area there may be a transitional area in which the light conditions are continuously between the im
  • the invention further relates to a method for controlling a lighting device according to the invention.
  • the method comprises controlling the brightness and / or spectral property of the light emitted by the light source arranged in the first region in dependence on the light source
  • Brightness and / or spectral property of falling in the second area light are bright.
  • the method further comprises detecting the brightness and / or spectral
  • the method further comprises time-averaging the brightness and / or spectral property of the light falling in the second area and controlling the brightness and / or spectral property of the light emitted by the light source on the basis of the time-averaged brightness and / or spectral property.
  • the time-averaged value can, for example, be
  • temporally past measured values can be measured with weights decreasing with time exponentially or with a predetermined value
  • Window width constant weights are weighted.
  • a time constant of the time averaging for example the half-life of an exponential smoothed average or the window width of a simple moving average, is preferably in the range between one minute and one hour, more preferably in the range between 3 minutes and 30 minutes and most preferably at 10 minutes. With a time constant of 10 minutes, a sufficiently fast adaptation to long-term fluctuations in the Daylight, for example due to the position of the sun or prolonged cloud cover, is guaranteed during
  • the method further comprises limiting the brightness and / or spectral
  • the first area may be a work space in which a brightness sufficient for work is to be ensured
  • the second area may be a work space
  • Brightness of the light emitted from the light source to a predetermined range advantageously a sufficient brightness for the work, even if in the
  • the first area may be a living room and the second area
  • the illumination device within these limits advantageously the
  • the range to which the brightness of light emitted from the light source is limited may preferably range from 50% below to 50% above a predetermined brightness.
  • the predetermined brightness is, for example, an optimum working brightness. More preferably, the range can range from 25% below to 25% above the predetermined brightness.
  • the color temperature can be limited downwards by a color temperature of commercial incandescent lamps, for example, by a color temperature of 3000K, and the color temperature can be limited upwards by a color temperature of commercially available fluorescent tubes, for example by a color temperature of 5500K.
  • a color temperature of commercial incandescent lamps for example, by a color temperature of 3000K
  • a color temperature of commercially available fluorescent tubes for example by a color temperature of 5500K.
  • Limitation has the particular advantage that in the case that the light falling into the second region is artificially generated light, a complete adaptation of the
  • Color temperature of the emitted light from the light source the color temperature of the artificially generated light falling into the second region can take place.
  • the light source may be formed in the form of a light guide plate; that is, the
  • Light source can be a light diffusing surface
  • the diffusely scattering surface passes through and advantageously with a
  • the light source may have a light diffusing surface, behind which
  • Partial light sources spaced from each other, preferably arranged at regular intervals.
  • the distance between two adjacent partial light sources is preferably chosen so that the through the two adjacent
  • Partial light sources jointly generated at the midpoint between the soldering points of the two partial light sources
  • the soldering point of a partial light source is that point on the diffusely scattering surface which is closest to the partial light source, to which a solder which has been precipitated from the partial light source onto the diffusely scattering surface strikes.
  • Lighting device at least two Fluorescent lamps, such as compact fluorescent lamps, with different color locations include.
  • the illumination device in which the light source comprises at least two partial light sources, can have a
  • the light source comprises light emitting diodes
  • Light-emitting diodes in particular be organic light-emitting diodes.
  • Lighting device the illumination is carried out indirectly via a light diffuse reflecting surface, such as a ceiling or a wall; that is, the light source is arranged so that the light emitted from the light source first incident on the light diffuse reflecting surface and the first area diffused by that of the light
  • Light source is adjusted in response to the brightness of the light falling in the second region, instead of assuming a constant value even if the light falling in the second region, for example at night, has a low brightness.
  • Lighting device explained in more detail with reference to embodiments and figures. 1 shows a lighting device according to a first embodiment in a schematic plan view.
  • FIG. 2 shows a lighting device according to a second embodiment in a schematic
  • FIG. 3 shows a lighting device according to a third exemplary embodiment in a schematic perspective view.
  • FIGS 4a, 4b, 5a, 5b, 6a and 6b show schematically
  • FIG. 1 shows a lighting device 10 according to a first embodiment in a schematic plan view.
  • the illumination device 10 comprises a light source 12, which is arranged in a first region 14.
  • At the first Region 14 may be, for example, an interior in which no daylight falls.
  • Lighting device further comprises a control unit 16, with which the brightness and / or a spectral property, for example the color location, of the light emitted by the light source 12 can be controlled.
  • a second region 18 is arranged.
  • the aim of the control of the light source 12 by the control unit 16 is the light conditions in the first region 14 at least partially to the
  • FIG. 2 shows a lighting device 10 according to a second embodiment in a schematic
  • Lighting device further comprises a light sensor 22 which is arranged in the second region 18.
  • the light sensor 22 serves to determine the brightness and / or spectral property of the light 20 falling into the second region 18.
  • the information determined by the light sensor 22 can be transmitted to the control unit 16 either via a cable connection (not shown) or preferably via a wireless radio link, for example via a radio signal with a frequency of 2.4 GHz.
  • the control unit 16 evaluates the transmitted information and controls the brightness and / or spectral on this basis
  • a dividing wall 24 is furthermore arranged between the first region 14 and the second region 18.
  • the partition can be, for example, a room wall or an exterior wall of a building.
  • An opening (not shown), for example a door or a window, may be located in the dividing wall, as a result of which a transition between the lighting conditions in the first area and the lighting conditions in the second area is achieved.
  • Control means 16 each directly control the brightness and the spectral characteristic of the light source 12 so that they are as accurate as possible with the brightness and the spectral
  • Lighting conditions in the two areas may not be desirable.
  • the second area 18 is an area where daylight falls and the first area 14 is an area where no daylight falls and which is reachable by a user from the second area 18.
  • the transition between the first region 14 and the second region 18 may be more comfortable for the user if the lighting conditions in the two regions are less different than would be the case using a conventional illumination device. However, it is typically not
  • the lighting conditions in the first region 14 are aligned directly and completely with the light conditions in the second region 18. For example it with temporary shading of the second area 18, for example by a passing cloud,
  • Area 14 emitted light is darkened to the same extent as the incident in the second area 18 light 20. Similarly, although an adjustment of the color locus of the first in
  • 3 shows a lighting device 30 according to a third embodiment in a schematic
  • the first area is an entrance area 32 of a tunnel 34.
  • a light source 36 is arranged in the entrance area 32, for example on the wall or on the ceiling of the tunnel 34.
  • a light sensor 38 is disposed in the outer region 40 of the tunnel 34 in front of the entrance area 32 and
  • a control unit 44 controls, on the basis of the
  • Light sensor 38 determined information about the
  • FIGS. 4 to 6 schematically show plots of the CIE standard color chart on the basis of which the mode of operation of a
  • Standard color charts show the white point E, which appears on the Blackbody curve lies.
  • the spectral property is the
  • control means is to
  • the cross 50 marks a color temperature of evening light of approximately 3000 Kelvin falling into the second area.
  • Figure 4b is with the cross 52 the
  • Color temperature of the emitted light from the light source marked This is in this case also about 3000 Kelvin; that is, the control means has the
  • Color temperature of the light emitted from the light source completely matched to the color temperature of falling in the second area evening light.
  • the cross 54 marks a color temperature of midday light falling in the second region of approximately 6500 Kelvin.
  • the cross 56 marks the color temperature of the light emitted by the light source. This is also about 6500 Kelvin in this case; that is, even in this case has that
  • Control means the color temperature of the light emitted from the light source completely matched to the color temperature of the falling in the second range midday light. As the color temperature of 6500 Kelvin is outside the usual light sources
  • the control means limits the color temperature of the light emitted by the light source to a common range, for example to a range between 3000K and 5500K.
  • Figure 6b is the cross 60, the color temperature of the of

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Circuit Arrangement For Electric Light Sources In General (AREA)

Abstract

L'invention concerne un dispositif d'éclairage (10, 30) comprenant au moins une source de lumière (12, 36) laquelle est disposée dans une première zone (14, 32) et laquelle est conçue pour émettre de la lumière lorsqu'elle fonctionne, et au moins un moyen de commande (16, 44) qui est conçu pour régler, en fonction de l'intensité lumineuse et/ou d'une propriété spectrale de la lumière (20, 42) atteignant une deuxième zone (18, 40), l'intensité lumineuse et/ou une propriété spectrale de la lumière émise par la source de lumière (12, 36), la première zone (14, 32) étant située à distance de la deuxième zone (18, 40). En outre, l'invention concerne un procédé correspondant qui est destiné à commander un dispositif d'éclairage (10, 30) selon l'invention.
PCT/EP2013/068087 2012-09-05 2013-09-02 Dispositif d'éclairage et procédé permettant de le commander WO2014037304A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102012108235.9A DE102012108235A1 (de) 2012-09-05 2012-09-05 Beleuchtungseinrichtung und Verfahren zur Steuerung derselben
DE102012108235.9 2012-09-05

Publications (1)

Publication Number Publication Date
WO2014037304A1 true WO2014037304A1 (fr) 2014-03-13

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Application Number Title Priority Date Filing Date
PCT/EP2013/068087 WO2014037304A1 (fr) 2012-09-05 2013-09-02 Dispositif d'éclairage et procédé permettant de le commander

Country Status (2)

Country Link
DE (1) DE102012108235A1 (fr)
WO (1) WO2014037304A1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102015109669A1 (de) * 2015-06-17 2016-12-22 Osram Oled Gmbh Verfahren zum Betreiben einer Beleuchtungsanordnung, Beleuchtungsanordnung, Kraftfahrzeug und tragbares Funktionselement
DE202016102992U1 (de) * 2016-06-06 2017-09-07 Zumtobel Lighting Gmbh Betriebsgerät mit Lichtoptimierung auf Basis von Lichtinformationen wiedergebenden Frequenzen

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Publication number Priority date Publication date Assignee Title
DE3101591A1 (de) * 1980-09-17 1982-04-08 Aktiengesellschaft für technische Beleuchtung ATB, 8952 Schlieren, Zürich "verfahren zur steuerung einer tunnelbeleuchtungsanlage und einrichtung zur durchfuehrung des verfahrens"
DE10359376A1 (de) * 2003-11-12 2005-07-07 Manfred Kluth Beleuchtungsvorrichtung, insbesondere Therapieleuchte
CN201374844Y (zh) * 2009-03-19 2009-12-30 交通部公路科学研究院 一种隧道出入口段照明自动调节装置
KR20100098173A (ko) * 2009-02-27 2010-09-06 권영현 터널내 조도 자동조절 조명시스템
CN101858544A (zh) * 2010-06-13 2010-10-13 东莞市永兴电子科技有限公司 新型led隧道灯
WO2011019241A2 (fr) * 2009-08-14 2011-02-17 웰컨트롤(주) Dispositif de commande de température de couleur pour l'éclairage d'un tunnel et appareil d'éclairage de tunnel pour régler une température de couleur

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CH683383A5 (de) * 1992-03-31 1994-02-28 Knobel Lichttech Verfahren und Schaltanordnung zum Ein- und Ausschalten künstlicher Lichtquellen in einem Raum in Abhängigkeit des in dem Raum herrschenden Beleuchtungsniveaus.
WO1998038839A1 (fr) * 1997-02-26 1998-09-03 Siemens Aktiengesellschaft Systeme de commande de l'installation d'eclairage d'une section d'adaptation d'un tunnel
DE102010011408A1 (de) * 2010-03-15 2011-09-15 Schneider Electric Industries Sas Vorrichtung mit einem Leuchtmittel und Verfahren zu dessen Steuerung

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3101591A1 (de) * 1980-09-17 1982-04-08 Aktiengesellschaft für technische Beleuchtung ATB, 8952 Schlieren, Zürich "verfahren zur steuerung einer tunnelbeleuchtungsanlage und einrichtung zur durchfuehrung des verfahrens"
DE10359376A1 (de) * 2003-11-12 2005-07-07 Manfred Kluth Beleuchtungsvorrichtung, insbesondere Therapieleuchte
KR20100098173A (ko) * 2009-02-27 2010-09-06 권영현 터널내 조도 자동조절 조명시스템
CN201374844Y (zh) * 2009-03-19 2009-12-30 交通部公路科学研究院 一种隧道出入口段照明自动调节装置
WO2011019241A2 (fr) * 2009-08-14 2011-02-17 웰컨트롤(주) Dispositif de commande de température de couleur pour l'éclairage d'un tunnel et appareil d'éclairage de tunnel pour régler une température de couleur
CN101858544A (zh) * 2010-06-13 2010-10-13 东莞市永兴电子科技有限公司 新型led隧道灯

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