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EP2354635B1 - LED facade spotlight - Google Patents

LED facade spotlight Download PDF

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Publication number
EP2354635B1
EP2354635B1 EP11151402.2A EP11151402A EP2354635B1 EP 2354635 B1 EP2354635 B1 EP 2354635B1 EP 11151402 A EP11151402 A EP 11151402A EP 2354635 B1 EP2354635 B1 EP 2354635B1
Authority
EP
European Patent Office
Prior art keywords
led
leds
facade
angle
reference base
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.)
Not-in-force
Application number
EP11151402.2A
Other languages
German (de)
French (fr)
Other versions
EP2354635B8 (en
EP2354635A1 (en
Inventor
Ralf Feldmann
Thomas Möritz
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.)
SILL LEUCHTEN GMBH
Original Assignee
Franz Sill GmbH
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Filing date
Publication date
Application filed by Franz Sill GmbH filed Critical Franz Sill GmbH
Publication of EP2354635A1 publication Critical patent/EP2354635A1/en
Application granted granted Critical
Publication of EP2354635B1 publication Critical patent/EP2354635B1/en
Publication of EP2354635B8 publication Critical patent/EP2354635B8/en
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Anticipated expiration legal-status Critical

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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
    • F21V14/00—Controlling the distribution of the light emitted by adjustment of elements
    • F21V14/02—Controlling the distribution of the light emitted by adjustment of elements by movement of light sources
    • 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
    • F21W2131/107—Outdoor lighting of the exterior of buildings
    • 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
    • F21Y2107/00—Light sources with three-dimensionally disposed light-generating elements
    • F21Y2107/50—Light sources with three-dimensionally disposed light-generating elements on planar substrates or supports, but arranged in different planes or with differing orientation, e.g. on plate-shaped supports with steps on which light-generating elements are mounted
    • 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]

Definitions

  • LED facade spotlights in which the LEDs are arranged in at least one row and are aligned as an LED bar parallel to a facade or in a Breumrahmung (Faschen).
  • the LEDs regularly illuminate the façade or the window framing from below.
  • the disadvantage is that the LEDs have a specific, cone-shaped radiation or Lichtaustrittswinkelsektor, which allows a uniform irradiation of the facade or the Breumrahmung only in a dense arrangement of LEDs.
  • the disadvantage is that the respective outer region outside the first and last LED of the at least one row of LEDs, due to the conical emission or Lichtaustrittswinkelsektor the LED's, unlit, d. H. So essentially remains dark.
  • the US 2008/0062689 A1 describes a receiving device for an LED lighting device, in particular for street lighting.
  • the receiving device comprises a plurality of panels, on each of which a plurality of LED rows are arranged in parallel.
  • the panels can be rotated relative to a support plate in at least two dimensions.
  • the LED rows are pivotable at an angle relative to the respective panel on which they are disposed.
  • the US 2008/0062689 A1 describes a receiving device for an LED lighting device, in particular for street lighting.
  • the receiving device comprises a plurality of panels, on each of which a plurality of LED rows are arranged in parallel.
  • the panels can be rotated relative to a support plate in at least two dimensions.
  • the LED rows are pivotable at an angle relative to the respective panel on which they are disposed.
  • the invention is therefore based on the object, the LED facade spotlights form so that even outside the first and last LED of the at least one row of LEDs lying area is sufficiently lit.
  • the invention provides that at least one LED of the row of LEDs is arranged inclined at an angle to a horizontal reference base.
  • This inclined against the horizontal reference base LED also radiates parallel to the horizontal reference base of the LED bar or the LED facade spotlights, so that by means of the horizontal light radiation also an illumination of the outside of the LED bar located areas of the facade or the window framing is possible.
  • the two end LEDs are arranged inclined.
  • the LEDs of the at least one row of LEDs are set from one end of the row to the other end of the row by an angle inclined relative to the horizontal reference base. This ensures that multiple LEDs contribute to the horizontal light emission of at least one row.
  • the inclined relative to the horizontal reference base angle of each LED of at least one row of LEDs and the distance of the LED's from the horizontal reference base from one end of the row to the other end of the series are increasingly larger. This avoids that the horizontal light emissions of adjacent LED's shading each other or hinder each other.
  • the at least one row of LEDs is subdivided into two groups of LEDs and that the LEDs of each of the two groups are set from the outer LEDs to the inner LEDs by an angle inclined to the horizontal reference base. This embodiment enables a substantially unobstructed horizontal light emission to both ends of the LED strip or the LED facade spotlight.
  • the angle inclined relative to the horizontal reference base and the distance of the LED's to the horizontal reference base from LED to LED of each of the two groups from the outer LED to the inner LED are made increasingly larger.
  • the horizontal component of the light emission of the inner LED's can be radiated unhindered by the other LED's of each group to the outside to cause the illumination of lying laterally outside the LED bar or the LED facade spotlight areas of the facade or the window framing.
  • the emission direction of the LEDs that can be arranged parallel to a facade can be aligned at an angle to the facade or that the emission direction of the LED that can be arranged in a window frame of a facade can be aligned at an angle from the window to the outside.
  • each LED is arranged on a circuit board and the board is aligned together with the associated LED at the respective angle to the horizontal reference base. Furthermore, the circuit board of each LED is arranged on a support which can be oriented relative to the horizontal reference base by the respective angle, and each LED is provided with an optical system. The optics of the outer and inner LEDs of each group are slightly frosted and the optics of the middle LED's are designed as a groove look.
  • the LEDs are with carrier, board and optics in a housing with a roof-shaped upper cover and formed with strips of grooved glass arranged above the LEDs.
  • the housing can be aligned at a distance from the façade by means of a cantilever arm, which can be arranged horizontally on the façade, or can be fastened to the windowsill by means of a holder which can be mounted on the window sill for the window frame irradiating LED.
  • the preferred embodiment of the invention provides a LED facade spotlight with a uniform illumination of the facade with a light outlet extending to the horizontal. Accordingly, a uniform illumination of a Breumrahmung (Faschen) is made possible from the windowsill. A glare to the interior is avoided by special angular position of the LED's.
  • LED facade spotlight is also used for a LED facade spotlight, which is arranged in a window framing. Both LED facade spotlights are essentially identical, are used only in different applications.
  • the emission or light exit sectors 5 of each LED 2 are formed substantially conical and directed vertically upwards on the facade 6.
  • the respective outer region 7 outside the first and last LED 2 of the LED strip 1 remains unlit, that is substantially dark.
  • the LED facade radiator 11 according to the invention according to the Fig. 2 to 8 are in a box-shaped housing 11 of flat design and two groups 12 and 13 of four LEDs 14 to 17 and 18 to 21 of low power (less than 20 W) are arranged in a horizontal row.
  • the total of eight LED's 14 to 21, the structure and arrangement will be described later, are in the xy plane and in the yz plane at different angles ⁇ , ß aligned.
  • the outer LEDs 14 and 21 are arranged on the left and right near the lateral boundary walls 22 and 23 of the housing 11.
  • the inner LEDs 17 and 18 are arranged near the central central region 24 of the housing 11.
  • the housing 11 is according to Fig. 2 and Fig. 5 provided with a roof-shaped cover 25 with above the LED's 14 to 21 formed, provided with the light of the LED's flared grooved glass 26 cutouts.
  • In the housing 11 are also two controllable, electronic control gear 27 for supplying each group 12, 13 of LED's 14 to 17 and 18 to 21 arranged.
  • the electronic control gear 27 can be dimmed via a potentiometer, not shown, to produce a uniform brightness in several LED facade spotlights 10 on a facade 30 or at different sizes or heights of windows.
  • an LED facade spotlight 10 is mounted by means of a mounting bracket designed as a cantilever 28 and with a determined by the length of the cantilever 28 distance to the facade 30 of a building.
  • the emission direction 46 of the parallel to the facade 30 arranged LED's 14 to 21 can be aligned by the angle ß against the facade 30.
  • Fig. 4 is an LED facade spotlight 10 by means of a trained as a holder 29 mounting bracket on the windowsill 31 (window sill) a window frame 32nd the window 45 a facade 30 arranged.
  • the emission direction 46 of the facade frame 32 of the facade 30 can be arranged LED's 14 to 21 can be aligned by the angle ⁇ from the window 45 to the outside.
  • Each LED 14 to 21 is according to Fig. 6 which shows the right next to the boundary wall 23 arranged LED 21, mounted on a metallic support 33, on which a fixable by means of screws 34 optic holder 35 is placed, which is adapted to receive different optics 36, which serve to direct light and immediately below the groove glass 26 are arranged.
  • Each optic 36 additionally includes an upper cover 37 which may be slightly frosted at the outer and inner LEDs 14, 17 and 21, 18 of each group 12 and 13, respectively.
  • the upper cover 37 of the middle LED's 15, 16 and 19, 20 of each group 12 or 13 may be formed as a groove optics.
  • the LED facade spotlight 10 is preferably equipped for monochrome illumination with white LEDs LED 14 to 21. It is also an RGB-multicolor lighting (red-green-blue) possible. For this purpose, the technical expenses for the operating devices 27 for color control considerably more extensive.
  • the eight LEDs 14 to 21 of the two groups 12, 13 are arranged with their carriers 33 at different angles ⁇ 1 to ⁇ 4 relative to the formed from the bottom of the housing 11 horizontal reference base 38, wherein the angle ⁇ 1 to ⁇ 4 of the outer LED 14 and 21 to inner LED 17 and 18 of each group 12 and 13 are formed increasingly larger.
  • the regularly vertical light exit direction 39 in the xy plane is increasingly also in the horizontal Light exit direction 40 deflected so that the light exit direction 40 extends in the xy plane in the areas 41 left and right next to the housing 11 of the LED facade radiator 10.
  • the optical holders 35 and the optics 36 for directing the light By means of the carriers 33, on which the boards 44 are mounted with the LEDs 14 to 21, the optical holders 35 and the optics 36 for directing the light, the angles ⁇ and ⁇ and the distance 43 of the LEDs 14 to 21 are set to the horizontal reference base 38.
  • the Fig. 7 shows the light emission of two LED facade spotlights 10 on a facade 30 in the vertical and also in the horizontal light exit direction 39 and 40, ie in the y- or in the x-direction. It creates a uniform illumination of the facade 30 starting with a horizontal light emission.
  • the Fig. 8 shows the example of a Recumrahmung 32, the light emission of an LED facade radiator 10 both in the horizontal x-direction to windowsill 31 without glare to the window 45 out.
  • the carrier 33 of the LEDs 14 to 21 are arranged inclined in the yz plane in front of the facade 30 by the angle ß in the z-direction against the facade 30.
  • the carriers 33 of the LEDs 14 to 21 in the yz plane of the window framing 32 set by the angle ß in the z-direction to the outside to prevent glare to the interior of the building or towards the window 45 to produce.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
  • Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)

Description

Die Erfindung bezieht sich auf einen LED-Fassadenstrahler mit mindestens einer Reihe parallel zu einer Fassade oder einer Fensterumrahmung anordenbaren LED's (LED = Light Emitting Diode).The invention relates to an LED facade spotlight with at least one row parallel to a facade or a window frame can be arranged LED's (LED = Light Emitting Diode).

Es sind LED-Fassadenstrahler vorbekannt, bei denen die LED's in mindestens einer Reihe angeordnet sind und als LED-Leiste parallel zu einer Fassade oder in einer Fensterumrahmung (Faschen) ausgerichtet sind. Die LED's bestrahlen die Fassade bzw. die Fensterumrahmung regelmäßig von unten her. Nachteilig ist, dass die LED's einen bestimmten, kegelförmigen Abstrahlungs- bzw. Lichtaustrittswinkelsektor aufweisen, der nur bei einer dichten Anordnung von LED's eine gleichmässige Bestrahlung der Fassade bzw. der Fensterumrahmung ermöglicht. Nachteilig ist jedoch, dass der jeweils äußere Bereich außerhalb der ersten und letzten LED der mindestens einen Reihe von LED's, bedingt durch den kegelförmigen Abstrahlungs- bzw. Lichtaustrittswinkelsektor der LED's, unbeleuchtet, d. h. also im wesentlichen dunkel bleibt.There are previously known LED facade spotlights, in which the LEDs are arranged in at least one row and are aligned as an LED bar parallel to a facade or in a Fensterumrahmung (Faschen). The LEDs regularly illuminate the façade or the window framing from below. The disadvantage is that the LEDs have a specific, cone-shaped radiation or Lichtaustrittswinkelsektor, which allows a uniform irradiation of the facade or the Fensterumrahmung only in a dense arrangement of LEDs. The disadvantage, however, is that the respective outer region outside the first and last LED of the at least one row of LEDs, due to the conical emission or Lichtaustrittswinkelsektor the LED's, unlit, d. H. So essentially remains dark.

Die US 2008/0062689 A1 beschreibt eine Aufnahmevorrichtung für eine LED-Beleuchtungseinrichtung, insbesondere zur Straßenbeleuchtung. Die Aufnahmevorrichtung umfasst eine Mehrzahl von Tafel, auf denen jeweils eine Mehrzahl von LED-Reihen parallel angeordnet sind. Die Tafeln können dabei relativ zu einer Trägerplatte in zumindest zwei Dimensionen gedreht werden. Auch die LED-Reihen sind relativ zu der jeweiligen Tafel, auf der sie angeordnet sind, in einem Winkel schwenkbar.The US 2008/0062689 A1 describes a receiving device for an LED lighting device, in particular for street lighting. The receiving device comprises a plurality of panels, on each of which a plurality of LED rows are arranged in parallel. The panels can be rotated relative to a support plate in at least two dimensions. Also, the LED rows are pivotable at an angle relative to the respective panel on which they are disposed.

Die US 2008/0062689 A1 beschreibt eine Aufnahmevorrichtung für eine LED-Beleuchtungseinrichtung, insbesondere zur Straßenbeleuchtung. Die Aufnahmevorrichtung umfasst eine Mehrzahl von Tafel, auf denen jeweils eine Mehrzahl von LED-Reihen parallel angeordnet sind. Die Tafeln können dabei relativ zu einer Trägerplatte in zumindest zwei Dimensionen gedreht werden. Auch die LED-Reihen sind relativ zu der jeweiligen Tafel, auf der sie angeordnet sind, in einem Winkel schwenkbar.The US 2008/0062689 A1 describes a receiving device for an LED lighting device, in particular for street lighting. The receiving device comprises a plurality of panels, on each of which a plurality of LED rows are arranged in parallel. The panels can be rotated relative to a support plate in at least two dimensions. Also, the LED rows are pivotable at an angle relative to the respective panel on which they are disposed.

Der Erfindung liegt von daher die Aufgabe zugrunde, den LED-Fassadenstrahler so auszubilden, dass auch der außerhalb der ersten und letzten LED der mindestens einen Reihe von LED's liegende Bereich ausreichend ausgeleuchtet ist.The invention is therefore based on the object, the LED facade spotlights form so that even outside the first and last LED of the at least one row of LEDs lying area is sufficiently lit.

Zur Lösung dieser Aufgabe sieht die Erfindung vor, dass mindestens eine LED der Reihe von LED's unter einem Winkel gegen eine horizontale Bezugsbasis geneigt angeordnet ist. Diese gegen die horizontale Bezugsbasis geneigte LED strahlt auch parallel zur horizontalen Bezugsbasis der LED-Leiste bzw. des LED-Fassadenstrahlers, so dass mittels der horizontalen Lichtstrahlung auch eine Ausleuchtung der außerhalb der LED-Leiste gelegenen Bereiche der Fassade bzw. der Fensterumrahmung möglich ist. Zweckmäßigerweise werden hierbei die beiden endseitigen LED's geneigt angeordnet.To solve this problem, the invention provides that at least one LED of the row of LEDs is arranged inclined at an angle to a horizontal reference base. This inclined against the horizontal reference base LED also radiates parallel to the horizontal reference base of the LED bar or the LED facade spotlights, so that by means of the horizontal light radiation also an illumination of the outside of the LED bar located areas of the facade or the window framing is possible. Appropriately, in this case the two end LEDs are arranged inclined.

In einer weiteren Ausführungsform der Erfindung ist vorgesehen, dass die LED's der mindestens einen Reihe von LED's von einem Ende der Reihe zum anderen Ende der Reihe um einen gegen die horizontale Bezugsbasis geneigten Winkel angestellt sind. Hierdurch wird erreicht, dass mehrere LED's der mindestens einen Reihe zur horizontalen Lichtausstrahlung mit beitragen.In a further embodiment of the invention it is provided that the LEDs of the at least one row of LEDs are set from one end of the row to the other end of the row by an angle inclined relative to the horizontal reference base. This ensures that multiple LEDs contribute to the horizontal light emission of at least one row.

In weiterer Ausbildung dieser Ausführungsform ist vorgesehen, dass der gegen die horizontale Bezugsbasis geneigte Winkel jeder LED der mindestens einen Reihe von LED's und der Abstand der LED's von der horizontalen Bezugsbasis von einem Ende der Reihe zum anderen Ende der Reihe zunehmend größer ausgebildet sind. Hierdurch wird vermieden, dass sich die horizontalen Lichtausstrahlungen benachbarter LED's gegenseitig beschatten bzw. behindern. Gemäß der Erfindung ist vorgesehen, dass die mindestens eine Reihe von LED's in zwei Gruppen von LED's unterteilt ist und dass die LED's jeder der beiden Gruppen von den äußeren LED's zu den inneren LED's um einen gegen die horizontale Bezugsbasis geneigten Winkel angestellt sind. Diese Ausführungsform ermöglicht eine im wesentlichen unbehinderte horizontale Lichtausstrahlung zu beiden Enden der LED-Leiste bzw. des LED-Fassadenstrahlers.In a further embodiment of this embodiment, it is provided that the inclined relative to the horizontal reference base angle of each LED of at least one row of LEDs and the distance of the LED's from the horizontal reference base from one end of the row to the other end of the series are increasingly larger. This avoids that the horizontal light emissions of adjacent LED's shading each other or hinder each other. According to the invention, it is provided that the at least one row of LEDs is subdivided into two groups of LEDs and that the LEDs of each of the two groups are set from the outer LEDs to the inner LEDs by an angle inclined to the horizontal reference base. This embodiment enables a substantially unobstructed horizontal light emission to both ends of the LED strip or the LED facade spotlight.

Gemäß der Erfindung ist vorgesehen, dass der gegen die horizontale Bezugsbasis geneigte Winkel und der Abstand der LED's zu der horizontalen Bezugsbasis von LED zu LED jeder der beiden Gruppen von der äußeren LED zur inneren LED zunehmend größer ausgebildet sind. Hierdurch kann die horizontale Komponente der Lichtausstrahlung der inneren LED's unbehindert von den übrigen LED's einer jeden Gruppe zur Außenseite abgestrahlt werden, um die Beleuchtung der seitlich außerhalb der LED-Leiste bzw. des LED-Fassadenstrahlers liegenden Bereiche der Fassade bzw. der Fensterumrahmung zu bewirken.According to the invention, it is provided that the angle inclined relative to the horizontal reference base and the distance of the LED's to the horizontal reference base from LED to LED of each of the two groups from the outer LED to the inner LED are made increasingly larger. In this way, the horizontal component of the light emission of the inner LED's can be radiated unhindered by the other LED's of each group to the outside to cause the illumination of lying laterally outside the LED bar or the LED facade spotlight areas of the facade or the window framing.

In weiterer Ausbildung beider erfindungsgemäßer Ausführungsformen ist vorgesehen, dass die Ausstrahlungsrichtung der parallel zu einer Fassade anordenbaren LED's um einen Winkel gegen die Fassade ausrichtbar ist bzw. dass die Ausstrahlungsrichtung der in einer Fensterumrahmung einer Fassade anordenbaren LED's um einen Winkel vom Fenster nach außen ausrichtbar ist.In a further embodiment of the two embodiments according to the invention, it is provided that the emission direction of the LEDs that can be arranged parallel to a facade can be aligned at an angle to the facade or that the emission direction of the LED that can be arranged in a window frame of a facade can be aligned at an angle from the window to the outside.

In noch weiterer Ausbildung beider erfindungsgemäßer Ausführungsformen des LED-Fassadenstrahlers ist vorgesehen, dass jede LED auf einer Platine angeordnet ist und die Platine zusammen mit der zugeordneten LED um den jeweiligen Winkel gegen die horizontale Bezugsbasis ausrichtbar ist. Ferner ist die Platine einer jeden LED auf einem gegen die horizontale Bezugsbasis um den jeweiligen Winkel ausrichtbaren Träger angeordnet, und jede LED ist mit einer Optik versehen. Die Optik der äußeren und inneren LED's jeder Gruppe sind leicht mattiert und die Optik der mittleren LED's als Rillenoptik ausgebildet.In a further embodiment of both inventive embodiments of the LED facade spotlight is provided that each LED is arranged on a circuit board and the board is aligned together with the associated LED at the respective angle to the horizontal reference base. Furthermore, the circuit board of each LED is arranged on a support which can be oriented relative to the horizontal reference base by the respective angle, and each LED is provided with an optical system. The optics of the outer and inner LEDs of each group are slightly frosted and the optics of the middle LED's are designed as a groove look.

In noch weiterer Ausbildung des erfindungsgemäßen LED-Fassadenstrahlers sind die LED's mit Träger, Platine und Optik in einem Gehäuse mit einer dachförmigen oberen Abdeckung und mit oberhalb der LED's angeordneten Streifen aus Rillenglas ausgebildet. Das Gehäuse ist mittels eines an der Fassade im wesentlichen horizontal anordenbaren Kragarm im Abstand zur Fassade ausrichtbar bzw. für die eine Fensterumrahmung bestrahlenden LED's mittels eines auf der Fensterbank montierbaren Halters auf der Fensterbank befestigbar.In yet a further embodiment of the LED facade radiator according to the invention, the LEDs are with carrier, board and optics in a housing with a roof-shaped upper cover and formed with strips of grooved glass arranged above the LEDs. The housing can be aligned at a distance from the façade by means of a cantilever arm, which can be arranged horizontally on the façade, or can be fastened to the windowsill by means of a holder which can be mounted on the window sill for the window frame irradiating LED.

Die bevorzugte Ausführungsform der Erfindung schafft einen LED-Fassadenstrahler mit einer gleichmäßigen Beleuchtung der Fassade mit einem bis zur Waagerechten verlaufenden Lichtaustritt. Entsprechend wird eine gleichmäßige Beleuchtung einer Fensterumrahmung (Faschen) ab der Fensterbank ermöglicht. Eine Blendung zum Innenraum wird durch besondere Winkelstellung der LED's vermieden.The preferred embodiment of the invention provides a LED facade spotlight with a uniform illumination of the facade with a light outlet extending to the horizontal. Accordingly, a uniform illumination of a Fensterumrahmung (Faschen) is made possible from the windowsill. A glare to the interior is avoided by special angular position of the LED's.

Es wird die Bezeichnung LED-Fassadenstrahler auch für einen LED-Fassadenstrahler verwendet, der in einer Fensterumrahmung angeordnet ist. Beide LED-Fassadenstrahler sind im wesentlichen baugleich, werden nur in verschiedenen Anwendungsbereichen eingesetzt.The term LED facade spotlight is also used for a LED facade spotlight, which is arranged in a window framing. Both LED facade spotlights are essentially identical, are used only in different applications.

Die Erfindung ist nachfolgend anhand der bevorzugten Ausführungsform eines LED-Fassadenstrahlers näher erläutert. Es zeigt:

Fig. 1
eine LED-Leiste eines LED-Fassadenstrahlers gemäß dem Stand der Technik,
Fig. 2
einen horizontalen Längsschnitt durch den erfindungsgemäßen LED-Fassadenstrahler,
Fig. 3
einen horizontalen Querschnitt durch den mittels eines Kragarmes an einer Fassade angeordneten LED-Fassadenstrahler,
Fig. 4
einen horizontalen Querschnitt durch den mittels eines Halters auf der Fensterbank einer Fensterumrahmung angeordneten LED-Fassadenstrahler,
Fig. 5
eine geschnitten dargestellte Draufsicht auf den gemäß Fig. 4 auf der Fensterbank angeordneten LED-Fassadenstrahler,
Fig. 6
eine Explosionsdarstellung der Anordnung einer LED mit Platine, Optik mit Optikhalter und Rillenglasabdeckung,
Fig. 7
eine Ansicht auf die Ausstrahlung zweier im Abstand voneinander an einer Fassade angeordneten LED-Fassadenstrahlern und
Fig. 8
eine Ansicht auf die Ausstrahlung eines in einer Fensterumrahmung angeordneten LED-Fassadenstrahlers.
The invention is explained in more detail below with reference to the preferred embodiment of an LED facade spotlight. It shows:
Fig. 1
an LED strip of a LED facade spotlight according to the prior art,
Fig. 2
a horizontal longitudinal section through the LED facade spotlight according to the invention,
Fig. 3
a horizontal cross section through the arranged by means of a cantilever on a facade LED facade spotlights,
Fig. 4
a horizontal cross section through the arranged by means of a holder on the window sill of a window frame LED facade spotlights,
Fig. 5
a sectional top view of the according to Fig. 4 LED facade spotlights arranged on the windowsill,
Fig. 6
an exploded view of the arrangement of a LED with board, optics with optics holder and grooved glass cover,
Fig. 7
a view on the appearance of two spaced apart on a facade LED facade spotlights and
Fig. 8
a view of the appearance of a arranged in a window framing LED facade spotlights.

Der in Fig. 1 gezeigte LED-Fassadenstrahler gemäß dem Stand der Technik besteht aus einer rahmenförmigen LED-Leiste 1 mit dreizehn, in horizontaler Reihe ausgerichteten LED's 2 (LED = Light Emitting Diode) mit aufgesetzter Optik 3 und einer oberen Abdeckung 4 aus Rillenglas. Die Abstrahlungs- bzw. Lichtaustrittssektoren 5 einer jeden LED 2 sind im Wesentlichen kegelförmig ausgebildet und vertikal nach oben auf die Fassade 6 gerichtet. Der jeweils äußere Bereich 7 außerhalb der ersten und letzten LED 2 der LED-Leiste 1 bleibt unbeleuchtet, also im wesentlichen dunkel.The in Fig. 1 Prior art LED facades radiator shown comprises a frame-shaped LED strip 1 with thirteen, aligned in a horizontal row LED's 2 (LED = Light Emitting Diode) with attached optics 3 and an upper cover 4 made of grooved glass. The emission or light exit sectors 5 of each LED 2 are formed substantially conical and directed vertically upwards on the facade 6. The respective outer region 7 outside the first and last LED 2 of the LED strip 1 remains unlit, that is substantially dark.

In der bevorzugten Ausführungsform des LED-Fassadenstrahlers 11 gemäß der Erfindung nach den Fig. 2 bis 8 sind in einem kastenförmigen Gehäuse 11 von flacher Bauform und in einer horizontalen Reihe zwei Gruppen 12 und 13 von je vier LED's 14 bis 17 bzw. 18 bis 21 mit geringer Leistung (kleiner als 20 W) angeordnet. Die insgesamt acht LED's 14 bis 21, deren Aufbau und Anordnung später noch beschrieben werden wird, sind in der x-y-Ebene als auch in der y-z-Ebene in verschiedenen Winkeln α, ß ausrichtbar. Die äußeren LED's 14 bzw. 21 sind links und rechts nahe den seitlichen Begrenzungswänden 22 bzw. 23 des Gehäuses 11 angeordnet. Die inneren LED's 17 bzw. 18 sind nahe dem mittleren Zentralbereich 24 des Gehäuses 11 angeordnet.In the preferred embodiment of the LED facade radiator 11 according to the invention according to the Fig. 2 to 8 are in a box-shaped housing 11 of flat design and two groups 12 and 13 of four LEDs 14 to 17 and 18 to 21 of low power (less than 20 W) are arranged in a horizontal row. The total of eight LED's 14 to 21, the structure and arrangement will be described later, are in the xy plane and in the yz plane at different angles α, ß aligned. The outer LEDs 14 and 21 are arranged on the left and right near the lateral boundary walls 22 and 23 of the housing 11. The inner LEDs 17 and 18 are arranged near the central central region 24 of the housing 11.

Das Gehäuse 11 ist gemäß Fig. 2 und Fig. 5 mit einer dachförmig ausgebildeten Abdeckung 25 mit oberhalb der LED's 14 bis 21 ausgebildeten, mit das Licht der LED's aufweitendem Rillenglas 26 versehenen Ausschnitten versehen. Im Gehäuse 11 sind ferner zwei steuerbare, elektronische Betriebsgeräte 27 zur Versorgung je einer Gruppe 12, 13 von LED's 14 bis 17 bzw. 18 bis 21 angeordnet. Die elektronischen Betriebsgeräte 27 können über ein nicht dargestelltes Potentiometer gedimmt werden, um bei mehreren LED-Fassadenstrahlern 10 an einer Fassade 30 bzw. bei unterschiedlichen Größen bzw. Höhen von Fenstern eine gleichmäßige Helligkeit zu erzeugen.The housing 11 is according to Fig. 2 and Fig. 5 provided with a roof-shaped cover 25 with above the LED's 14 to 21 formed, provided with the light of the LED's flared grooved glass 26 cutouts. In the housing 11 are also two controllable, electronic control gear 27 for supplying each group 12, 13 of LED's 14 to 17 and 18 to 21 arranged. The electronic control gear 27 can be dimmed via a potentiometer, not shown, to produce a uniform brightness in several LED facade spotlights 10 on a facade 30 or at different sizes or heights of windows.

Gemäß Fig. 3 ist ein LED-Fassadenstrahler 10 mittels eines als Kragarm 28 ausgebildeten Montagebügels und mit einem durch die Länge des Kragarmes 28 bestimmten Abstand an der Fassade 30 eines Gebäudes angebracht. Die Ausstrahlungsrichtung 46 der parallel zu der Fassade 30 angeordneten LED's 14 bis 21 ist um den Winkel ß gegen die Fassade 30 ausrichtbar.According to Fig. 3 an LED facade spotlight 10 is mounted by means of a mounting bracket designed as a cantilever 28 and with a determined by the length of the cantilever 28 distance to the facade 30 of a building. The emission direction 46 of the parallel to the facade 30 arranged LED's 14 to 21 can be aligned by the angle ß against the facade 30.

Gemäß Fig. 4 ist ein LED-Fassadenstrahler 10 mittels eines als Halter 29 ausgebildeten Montagebügels auf der Fensterbank 31 (Fenstersims) einer Fensterumrahmung 32 des Fensters 45 einer Fassade 30 angeordnet. Die Ausstrahlungsrichtung 46 der in der Fassadenumrahmung 32 der Fassade 30 anordenbaren LED's 14 bis 21 ist um den Winkel β vom Fenster 45 nach außen ausrichtbar.According to Fig. 4 is an LED facade spotlight 10 by means of a trained as a holder 29 mounting bracket on the windowsill 31 (window sill) a window frame 32nd the window 45 a facade 30 arranged. The emission direction 46 of the facade frame 32 of the facade 30 can be arranged LED's 14 to 21 can be aligned by the angle β from the window 45 to the outside.

Jede LED 14 bis 21 ist gemäß Fig. 6, welche die rechts neben der Begrenzungswand 23 angeordnete LED 21 zeigt, auf einem metallischen Träger 33 gelagert, auf dem ein mittels Schrauben 34 festlegbarer Optikhalter 35 aufgesetzt ist, der zur Aufnahme unterschiedlicher Optiken 36 ausgebildet ist, die zur Lichtlenkung dienen und unmittelbar unterhalb des Rillenglases 26 angeordnet sind.Each LED 14 to 21 is according to Fig. 6 which shows the right next to the boundary wall 23 arranged LED 21, mounted on a metallic support 33, on which a fixable by means of screws 34 optic holder 35 is placed, which is adapted to receive different optics 36, which serve to direct light and immediately below the groove glass 26 are arranged.

Jede Optik 36 umfasst zusätzlich eine obere Abdeckung 37, die bei den äußeren und inneren LED's 14, 17 bzw. 21, 18 jeder Gruppe 12 bzw. 13 leicht mattiert sein kann. Die obere Abdeckung 37 der mittleren LED's 15, 16 und 19, 20 jeder Gruppe 12 bzw. 13 kann als Rillenoptik ausgebildet sein.Each optic 36 additionally includes an upper cover 37 which may be slightly frosted at the outer and inner LEDs 14, 17 and 21, 18 of each group 12 and 13, respectively. The upper cover 37 of the middle LED's 15, 16 and 19, 20 of each group 12 or 13 may be formed as a groove optics.

Der LED-Fassadenstrahler 10 ist vorzugsweise zur monochromen Beleuchtung mit weiß leuchtenden LED's 14 bis 21 bestückt. Es ist auch eine RGB-Multicolor Beleuchtung (rot-grün-blau) möglich. Hierzu sind die technischen Aufwendungen für die Betriebsgeräte 27 zwecks Farbsteuerung erheblich umfangreicher.The LED facade spotlight 10 is preferably equipped for monochrome illumination with white LEDs LED 14 to 21. It is also an RGB-multicolor lighting (red-green-blue) possible. For this purpose, the technical expenses for the operating devices 27 for color control considerably more extensive.

Wie es die Fig. 2 zeigt, sind die acht LED's 14 bis 21 der beiden Gruppen 12, 13 mit ihren Trägern 33 in unterschiedlichen Winkeln α1 bis α4 gegenüber der vom Boden des Gehäuses 11 gebildeten horizontalen Bezugsbasis 38 angeordnet, wobei die Winkel α1 bis α4 von der äußeren LED 14 bzw. 21 zu inneren LED 17 bzw. 18 einer jeden Gruppe 12 bzw. 13 zunehmend größer ausgebildet sind. Dadurch wird die regulär vertikale Lichtaustrittsrichtung 39 in der x-y-Ebene zunehmend auch in die waagerechte Lichtaustrittsrichtung 40 umgelenkt, so dass sich die Lichtaustrittsrichtung 40 in der x-y-Ebene auch in die Bereiche 41 links und rechts neben dem Gehäuse 11 des LED-Fassadenstrahlers 10 erstreckt. Durch diese Kombination der LED's 14 bis 21 mit unterschiedlicher Lichtaustrittsrichtung 39, 40 wird ein gleichmäßiger und waagerechter bzw. in x-Richtung auch negativer Lichtaustritt erzeugt. Durch seitlich des Gehäuses 11 anbringbare Blenden 42 kann der Lichtaustritt in der waagerechten Lichtaustrittsrichtung 40 begrenzt werden.Like the Fig. 2 shows, the eight LEDs 14 to 21 of the two groups 12, 13 are arranged with their carriers 33 at different angles α 1 to α 4 relative to the formed from the bottom of the housing 11 horizontal reference base 38, wherein the angle α 1 to α 4 of the outer LED 14 and 21 to inner LED 17 and 18 of each group 12 and 13 are formed increasingly larger. As a result, the regularly vertical light exit direction 39 in the xy plane is increasingly also in the horizontal Light exit direction 40 deflected so that the light exit direction 40 extends in the xy plane in the areas 41 left and right next to the housing 11 of the LED facade radiator 10. By this combination of the LEDs 14 to 21 with different light exit direction 39, 40 a uniform and horizontal or in the x-direction and negative light output is generated. By attachable side of the housing 11 panels 42, the light emission in the horizontal light exit direction 40 can be limited.

Mittels der Träger 33, auf denen die Platinen 44 mit den LED's 14 bis 21, den Optikhaltern 35 und den Optiken 36 zur Lichtlenkung montiert sind, werden die Winkel α und ß und der Abstand 43 der LED's 14 bis 21 zur horizontalen Bezugsbasis 38 eingestellt.By means of the carriers 33, on which the boards 44 are mounted with the LEDs 14 to 21, the optical holders 35 and the optics 36 for directing the light, the angles α and β and the distance 43 of the LEDs 14 to 21 are set to the horizontal reference base 38.

Die Fig 7 zeigt den Lichtaustritt zweier LED-Fassadenstrahler 10 an einer Fassade 30 in der vertikalen und auch in der horizontalen Lichtaustrittsrichtung 39 bzw. 40, d. h. in der y- bzw. in der x-Richtung. Es wird eine gleichmäßige Beleuchtung der Fassade 30 beginnend mit einem waagerechten Lichtaustritt erzeugt.The Fig. 7 shows the light emission of two LED facade spotlights 10 on a facade 30 in the vertical and also in the horizontal light exit direction 39 and 40, ie in the y- or in the x-direction. It creates a uniform illumination of the facade 30 starting with a horizontal light emission.

Die Fig. 8 zeigt am Beispiel einer Fensterumrahmung 32 den Lichtaustritt eines LED-Fassadenstrahlers 10 sowohl in der horizontalen x-Richtung bis Fensterbank 31 ohne Blendung zum Fenster 45 hin erzeugt.The Fig. 8 shows the example of a Fensterumrahmung 32, the light emission of an LED facade radiator 10 both in the horizontal x-direction to windowsill 31 without glare to the window 45 out.

Wie es in der Fig. 3 dargestellt ist, sind die Träger 33 der LED's 14 bis 21 in der y-z-Ebene vor der Fassade 30 um den Winkel ß in der z-Richtung gegen die Fassade 30 geneigt angeordnet.As it is in the Fig. 3 is shown, the carrier 33 of the LEDs 14 to 21 are arranged inclined in the yz plane in front of the facade 30 by the angle ß in the z-direction against the facade 30.

Wie es in der Fig. 4 dargestellt ist, sind die Träger 33 der LED's 14 bis 21 in der y-z-Ebene der Fensterumrahmung 32 um den Winkel ß in z-Richtung nach außen angestellt, um keine Blendung zum Innenraum des Gebäudes bzw. in Richtung zum Fenster 45 zu erzeugen.As it is in the Fig. 4 is shown, the carriers 33 of the LEDs 14 to 21 in the yz plane of the window framing 32 set by the angle ß in the z-direction to the outside to prevent glare to the interior of the building or towards the window 45 to produce.

BezugszeichenlisteLIST OF REFERENCE NUMBERS

11
LED-Leiste gemäß dem Stand der TechnikLED strip according to the prior art
22
LEDLED
33
Optikoptics
44
Abdeckungcover
55
Abstrahlungs-/LichtaustrittswinkelsektorAbstrahlungs- / beam angle sector
66
Fassadefacade
77
BereichArea
1010
LED-Fassadenstrahler gemäß der ErfindungLED facade spotlight according to the invention
1111
Gehäusecasing
12, 1312, 13
Gruppegroup
1414
bis 21 LEDup to 21 LED
22, 2322, 23
Begrenzungswandboundary wall
2424
ZentralbereichCentral area
2525
Abdeckungcover
2626
Rillenglasribbed glass
2727
Betriebsgerätcontrol gear
2828
Kragarmcantilever
2929
Halterholder
3030
Fassadefacade
3131
Fensterbankwindowsill
3232
Fensterumrahmungwindow framing
3333
Trägercarrier
3434
Schraubescrew
3535
Optikhalteroptical Mounts
3636
Optikoptics
3737
obere Abdeckungtop cover
3838
horizontale Bezugsbasishorizontal reference base
3939
vertikale Lichtaustrittsrichtungvertical light exit direction
4040
horizontale Lichtaustrittsrichtunghorizontal light exit direction
4141
BereichArea
4242
Blendecover
4343
Abstanddistance
4444
Platinecircuit board
4545
Fensterwindow
4646
Ausstrahlungsrichtungemission direction

Claims (10)

  1. A LED facade spotlight with at least one row of LEDs which can be disposed in parallel to a façade or a window frame,
    wherein
    at least one LED (14 to 21) of the row of LEDs is disposed at an angle (α) so as to be inclined towards a horizontal reference base (38),
    characterised in that
    the at least one row of LEDs (17 to 21) is divided into two groups (12, 13) of LEDs and in that the LEDs (17 to 21) of each of the two groups (12, 13) from the outer LEDs (14, 21) to the inner LEDs (17, 18) are disposed so as to be inclined at an angle (α) towards the horizontal reference base (38), and in that
    the angle (α) inclined towards the horizontal reference base (38) and the distance (43) of the LED's (14 to 21) to the horizontal reference base (38) is designed so as to increase in size from one LED to the next of each of the two groups (12, 13) from the outer LED (14, 21) to the inner LED (17, 18).
  2. The LED facade spotlight according to claim 1, characterised in that the direction of irradiation (46) of the LEDs (14 to 21) which can be disposed in parallel to a façade (30) can be aligned at an angle (β) to the façade (30).
  3. The LED facade spotlight according to one of claims 1 to 2, characterised in that the direction of irradiation (46) of the LEDs (14 to 21) which can be disposed in a window frame (32) of a façade (30) can be aligned at an angle (β) from the window (45) towards the outside.
  4. The LED facade spotlight according to one of claims 1 to 3, characterised in that each LED (14 to 21) is arranged on a circuit board (44) and in that the circuit board (44) together with the associated LED (14 to 21) can be aligned by the respective angle (α, β) with the horizontal reference base (38).
  5. The LED facade spotlight according to claim 4, characterised in that the circuit board (44) of each LED (14 to 21) is arranged on a support (33) which can be aligned with the horizontal reference base (38) by the respective angle (α, β).
  6. The LED facade spotlight according to claim 4 or 5, characterised in that each LED (14 to 21) is provided with an optics (36) for light guidance.
  7. The LED facade spotlight according to claim 6, characterised in that the optics (36) of the outer and inner LEDs (14 to 21 and 17, 18 resp.) of each group (12, 13) are designed to be slightly matted, and the optics (36) of the central LEDs (15, 16 and 19, 20 resp.) are designed as riffle optics.
  8. The LED facade spotlight according to one of claims 1 to 7, characterised in that the LEDs (14 to 21) together with supports (33), circuit boards (44) and optics (36) are arranged in a housing (11) with a roof-shaped upper cover (37) which above the LEDs (14 to 21) is provided with a ribbed glass (26).
  9. The LED facade spotlight according to claim 8, characterised in that the housing (11) can be aligned with the façade (30) at a distance by means of a cantilever arm (28) provided on the façade (30) in an essentially horizontal manner.
  10. The LED facade spotlight according to claim 8, characterised in that the housing (11) for the LEDs (14 to 21) irradiating a window frame (32) can be fastened on the window sill (31) by means of a holder (29) to be mounted on the window sill (31).
EP11151402.2A 2010-01-28 2011-01-19 LED facade spotlight Not-in-force EP2354635B8 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102010006248A DE102010006248B3 (en) 2010-01-28 2010-01-28 LED facade spotlight

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EP2354635A1 EP2354635A1 (en) 2011-08-10
EP2354635B1 true EP2354635B1 (en) 2015-09-30
EP2354635B8 EP2354635B8 (en) 2015-11-11

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DE (1) DE102010006248B3 (en)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2581644B1 (en) * 2011-10-10 2018-03-21 Induperm A/S LED approach light
DE102012112644B4 (en) * 2012-12-19 2024-05-16 Odos Imaging Ltd. Spotlight for illuminating an object and distance measuring device with the spotlight

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5101326A (en) * 1990-09-27 1992-03-31 The Grote Manufacturing Co. Lamp assembly for motor vehicle
DE29817609U1 (en) * 1998-09-02 2000-01-13 Derksen, Gabriele, 45889 Gelsenkirchen Illuminant
US7631985B1 (en) * 2005-05-02 2009-12-15 Genlyte Thomas Group, Llc Finite element and multi-distribution LED luminaire
DE102006018603B3 (en) * 2006-04-21 2007-12-27 Paul Heinrich Neuhorst lamp
US7712926B2 (en) * 2006-08-17 2010-05-11 Koninklijke Philips Electronics N.V. Luminaire comprising adjustable light modules
US7665862B2 (en) * 2006-09-12 2010-02-23 Cree, Inc. LED lighting fixture
DE202007001078U1 (en) * 2007-01-18 2008-02-21 Bocom Energiespar-Technologien Gmbh lamp
EP2107296A3 (en) * 2008-04-05 2010-06-16 Es-System S.A. A system for illumination of a roadway and illumination device for a roadway
DE102008022738A1 (en) * 2008-05-08 2009-11-12 Christian Bartenbach Façade lighting device and facade spotlights for this purpose
WO2010026279A1 (en) * 2008-09-03 2010-03-11 Artequa Oy Illuminating device
DE202008014125U1 (en) * 2008-10-23 2009-04-02 Semperlux Aktiengesellschaft - Lichttechnische Werke - Luminaire with LED surface illumination

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EP2354635B8 (en) 2015-11-11
EP2354635A1 (en) 2011-08-10

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