EP2650864B1 - Lamp with light emitting diodes - Google Patents

Lamp with light emitting diodes Download PDF

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Publication number
EP2650864B1
EP2650864B1 EP13001928.4A EP13001928A EP2650864B1 EP 2650864 B1 EP2650864 B1 EP 2650864B1 EP 13001928 A EP13001928 A EP 13001928A EP 2650864 B1 EP2650864 B1 EP 2650864B1
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EP
European Patent Office
Prior art keywords
washer
housing
circuit board
luminaire according
circuit boards
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.)
Active
Application number
EP13001928.4A
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German (de)
French (fr)
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EP2650864A2 (en
EP2650864A3 (en
Inventor
Bernd Metzler
Bernd Oberhauser
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
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Publication of EP2650864A2 publication Critical patent/EP2650864A2/en
Publication of EP2650864A3 publication Critical patent/EP2650864A3/en
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Classifications

    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F13/00—Illuminated signs; Luminous advertising
    • G09F13/04—Signs, boards or panels, illuminated from behind the insignia
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F13/00—Illuminated signs; Luminous advertising
    • G09F13/04—Signs, boards or panels, illuminated from behind the insignia
    • G09F13/0418—Constructional details
    • G09F13/0436—Signs, boards or panels attached to ceilings
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F13/00—Illuminated signs; Luminous advertising
    • G09F13/04—Signs, boards or panels, illuminated from behind the insignia
    • G09F13/0418—Constructional details
    • G09F13/0445—Frames
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F13/00—Illuminated signs; Luminous advertising
    • G09F13/20—Illuminated signs; Luminous advertising with luminescent surfaces or parts
    • G09F13/22—Illuminated signs; Luminous advertising with luminescent surfaces or parts electroluminescent
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F13/00—Illuminated signs; Luminous advertising
    • G09F13/04—Signs, boards or panels, illuminated from behind the insignia
    • G09F13/0418—Constructional details
    • G09F2013/05—Constructional details indicating exit way or orientation
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F13/00—Illuminated signs; Luminous advertising
    • G09F13/20—Illuminated signs; Luminous advertising with luminescent surfaces or parts
    • G09F13/22—Illuminated signs; Luminous advertising with luminescent surfaces or parts electroluminescent
    • G09F2013/222—Illuminated signs; Luminous advertising with luminescent surfaces or parts electroluminescent with LEDs

Definitions

  • the invention relates to a lamp according to the preamble of claim 1.
  • the lamp consists of a housing for receiving a control gear and a lighting means.
  • the lamp is formed of light-emitting diodes (LED), which are arranged on a circuit board and which is fixed in the housing by means of screws.
  • LED light-emitting diodes
  • the present invention is based on the object of further developing a luminaire according to the preamble of claim 1 such that luminous means in the form of LED circuit boards can be mounted simply and reliably as well as accurately.
  • a threaded passage is provided immediately adjacent to the board, which receives a screw which carries an annular washer, said washer partially overlaps the board to fix the board in the housing and that the screw receives a second washer whose outer diameter is smaller than that Outer diameter of the first washer, wherein the second washer forms a longitudinal stop for the board.
  • the washers are designed as plastic discs.
  • the second washer preferably has an inner diameter which is greater than the outer diameter of the threaded passage.
  • the second washer is made in a further embodiment by about 0.2 mm higher than the board, so that too much pressure can not be exerted on the board, which could lead to tilting or tilting of the board or shim.
  • the housing accommodates four circuit boards, which are arranged offset by 90 degrees.
  • the boards arranged in this way enclose a rectangle or square.
  • each screw receives a second washer whose outer diameter is smaller than the outer diameter of the first washer, wherein the second washer forms a longitudinal stop for the board.
  • the washers are designed as plastic discs.
  • the second washer preferably has an inner diameter which is greater than the outer diameter of the threaded passage.
  • the second washer is made in a further embodiment by about 0.2 mm higher than the board so that no excessive pressure can be exerted on the board, which could lead to tilting or tilting of the board or shim.
  • the lamp according to the invention is cubic or cuboid, wherein the housing top can be made of a made of aluminum sheet carrier element. All other housing walls are preferably made of translucent material, preferably plastic. The top of the housing carries the boards. Such a luminaire can be designed as so-called emergency lighting. In this case, the housing walls are covered with pictograms.
  • FIG. 1 an inventive lamp is shown This consists of a housing top, which is designed as a made of aluminum sheet carrier element (1). All other housing walls (9) are made of translucent material, preferably plastic, for example, made of 3 mm thick PMMA. If the luminaire is designed as a rescue sign lamp, the inside of the side walls can be printed with escape signs.
  • the side walls are bolted to the support element (1) and the bottom of the housing is glued to the side walls.
  • a reflecting layer (12) for example an aluminum reflector or a reflecting foil, can be placed on the underside of the housing in order to better distribute the light emitted by the light-emitting diodes (LED) mounted on printed circuit boards (LED) to the side walls.
  • LED light-emitting diodes
  • FIG. 2 and FIG. 5 the carrier element (1) is shown. This takes a control gear (2), electrical terminals (5, 6) and an accumulator (4), which provides in emergency operation for the power supply of the lamp on.
  • the functionality and the charging status of the accumulator (4) must be displayed. This is done with a status LED (7) which is mounted on a sidewall and which shines strongly enough to shine through the sidewall to be noticeable.
  • the regular power supply is via power cables, which can be fed through feeders (8) in the housing interior.
  • FIG. 5 shows in plan view the carrier element (1), which further accommodates four boards (3), which are arranged in the carrier element (1), that they enclose a rectangular area. Within this area, the said operating device (2), the electrical connection terminals (5, 6) and the accumulator (4) are arranged.
  • the boards (3) are each equipped with six LEDs and are fixed by in the support element (1) incorporated imprints in their position. For full fixation, each plate (3) is associated with a threaded passage (11) on its end faces, with which a screw (10) cooperates.
  • the screw (10) carries at least a first washer (13) which its associated Board overlaps. Now, when the screw (10) tightened, so presses the washer (13) on the board (3) and fixes them in this way in the support element.
  • FIG. 3 two staggered by 90 degrees arranged boards (3) can be seen.
  • the boards (3) collide frontally at their inner corners.
  • a shim (13 ') is placed in such a way that it rests against the end face of each of the two boards (3).
  • the washers (13 ') form a longitudinal stop for the boards (3).
  • the mounting position of the boards (3) is thus exactly defined by the imprints in the carrier element (1) and by the washers (13 ').
  • each of the shims (13 ') has an inner diameter which is greater than the outer diameter of the threaded passage (11).
  • the washers (13 ') can be placed over the respective threaded passage (11) and thus arranged in the correct position or centered in the housing.
  • the washers (13 ') are about 0.2 mm higher than the unpopulated board (3) - so only the circuit board itself - is.
  • the shims (13 ') thus form a good bearing surface for overlying shim (13) whose outer diameter is greater than the outer diameter of the shim (13'). That area, the shim (13) which projects beyond the shim (13 '), engages over the board (3) and holds the board (3) in this way in the support element (1) and secures and fixes them in their mounting position.
  • the washers (13, 13 ') are made of plastic.
  • the first washer (13) has an inner diameter of 4.3 mm and an outer diameter of 18.0 mm and is 2.0 mm high;
  • the second washer (13 ') has an inner diameter of 5.2 mm and an outer diameter of 12.0 mm and is 2.0 mm high.
  • the threaded passage (11) has an M4 internal thread; So the screws (10) are M4 screws.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Fastening Of Light Sources Or Lamp Holders (AREA)
  • Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)

Description

Die Erfindung betrifft eine Leuchte nach dem Oberbegriff des Anspruchs 1. Die Leuchte besteht aus einem Gehäuse zur Aufnahme eines Betriebsgerätes und eines Leuchtmittels. Das Leuchtmittel ist aus Leuchtdioden (LED) gebildet, welche auf einer Platine angeordnet sind und die im Gehäuse mittels Schrauben fixiert ist. Hierzu ist es notwendig einen Aufnahmebereich in der Platine, also beispielsweise ein Lochung, für die Schraube vorzusehen, wie es beispielhaft in der JP 2005 302484 A dargestellt ist.The invention relates to a lamp according to the preamble of claim 1. The lamp consists of a housing for receiving a control gear and a lighting means. The lamp is formed of light-emitting diodes (LED), which are arranged on a circuit board and which is fixed in the housing by means of screws. For this purpose, it is necessary to provide a receiving area in the board, so for example a perforation, for the screw, as exemplified in the JP 2005 302484 A is shown.

Alternative ist es aus dem Stand der Technik bekannt, LED-Platinen mittels einem speziellen doppelseitigem Klebeband auf einem dafür vorgesehenen Montageblech bzw. in einem Leuchtengehäuse anzubringen. Durch die thermische Beanspruchung und wegen zu geringem Anpressdruck in der Montage kann es aber dazu kommen, dass sich der Kleber löst und die LED-Platine herunterhängt. Ein weiterer Nachteil der eben beschriebenen Methode ist die Ungenauigkeit mit welcher die LED-Platinen platziert werden.Alternatively, it is known from the prior art to attach LED boards by means of a special double-sided adhesive tape on a dedicated mounting plate or in a luminaire housing. Due to the thermal stress and too low contact pressure in the assembly, it can happen that the adhesive dissolves and the LED board hangs down. Another disadvantage of the method just described is the inaccuracy with which the LED boards are placed.

Der vorliegenden Erfindung liegt die Aufgabe zu Grunde eine Leuchte nach dem Oberbegriff des Anspruchs 1 so weiterzubilden, dass Leuchtmittel in Form von LED-Platinen einfach und zuverlässig sowie exakt montiert werden können.The present invention is based on the object of further developing a luminaire according to the preamble of claim 1 such that luminous means in the form of LED circuit boards can be mounted simply and reliably as well as accurately.

Die Aufgabe wird durch die kennzeichnenden Merkmale des Anspruchs 1 gelöst. Hierbei ist unmittelbar neben der Platine ein Gewindedurchzug vorgesehen, der eine Schraube aufnimmt welche eine ringförmige Beilagscheibe trägt, wobei diese Beilagscheibe teilweise die Platine übergreift, um die Platine im Gehäuse zu fixieren und dass die Schraube eine zweite Beilagscheibe aufnimmt, deren Außendurchmesser kleiner ist als der Außendurchmesser der ersten Beilagscheibe, wobei die zweite Beilagscheibe einen Längsanschlag für die Platine bildet. Vorzugsweise sind die Beilagscheiben als Kunststoffscheiben ausgeführt.The object is solved by the characterizing features of claim 1. Here, a threaded passage is provided immediately adjacent to the board, which receives a screw which carries an annular washer, said washer partially overlaps the board to fix the board in the housing and that the screw receives a second washer whose outer diameter is smaller than that Outer diameter of the first washer, wherein the second washer forms a longitudinal stop for the board. Preferably, the washers are designed as plastic discs.

Damit die zweite Beilagscheibe lagezentriert montiert werden kann, weist die zweite Beilagscheibe bevorzugt einen Innendurchmesser auf, der größer ist als der Außendurchmesser des Gewindedurchzuges. Die zweite Beilagscheibe wird in einer weiteren Ausführungsform um etwa 0,2 mm höher ausgeführt, als die Platine, damit kein zu großer Druck auf die Platine ausgeübt werden kann, der zu einem Verkanten oder Verkippen der Platine bzw. Beilagscheibe führen könnte.So that the second washer can be mounted position-centered, the second washer preferably has an inner diameter which is greater than the outer diameter of the threaded passage. The second washer is made in a further embodiment by about 0.2 mm higher than the board, so that too much pressure can not be exerted on the board, which could lead to tilting or tilting of the board or shim.

In einer besonders bevorzugten Ausführungsform der erfindungsgemäßen Leuchte nimmt das Gehäuse vier Platinen auf, welche um 90 Grad versetzt angeordnet sind. Die so angeordneten Platinen umschließen ein Rechteck oder Quadrat.In a particularly preferred embodiment of the luminaire according to the invention, the housing accommodates four circuit boards, which are arranged offset by 90 degrees. The boards arranged in this way enclose a rectangle or square.

Um die lagegenaue Montage der Platinen in der erfindungsgemäßen Leuchte zu vereinfachen sind die Platinen seitlich vorzugsweise durch Anschläge geführt, welche insbesondere als Prägungen im Gehäuse ausgebildet sein können. Außerdem kann vorgesehen sein, dass jede Schraube eine zweite Beilagscheibe aufnimmt, deren Außendurchmesser kleiner ist als der Außendurchmesser der ersten Beilagscheibe, wobei die zweite Beilagscheibe einen Längsanschlag für die Platine bildet. Vorzugsweise sind die Beilagscheiben als Kunststoffscheiben ausgeführt.In order to simplify the positionally accurate mounting of the boards in the luminaire according to the invention, the boards are laterally guided preferably by stops, which may be formed in particular as imprints in the housing. In addition, it can be provided that each screw receives a second washer whose outer diameter is smaller than the outer diameter of the first washer, wherein the second washer forms a longitudinal stop for the board. Preferably, the washers are designed as plastic discs.

Damit die zweite Beilagscheibe lagezentriert montiert werden kann, weist die zweite Beilagscheibe bevorzugt einen Innendurchmesser auf, der größer ist als der Außendurchmesser des Gewindedurchzuges. Die zweite Beilagscheibe wird in einer weiteren Ausführungsform um etwa 0,2 mm höher ausgeführt, als die Platine, damit kein zu großer Druck auf die Platine ausgeübt werden kann, der zu einem Verkanten oder Verkippen der Platine bzw. Beilagscheibe führen könnte.So that the second washer can be mounted position-centered, the second washer preferably has an inner diameter which is greater than the outer diameter of the threaded passage. The second washer is made in a further embodiment by about 0.2 mm higher than the board so that no excessive pressure can be exerted on the board, which could lead to tilting or tilting of the board or shim.

Vorzugsweise ist die erfindungsgemäße Leuchte würfel- oder quaderförmig ausgeführt, wobei die Gehäuseoberseite aus einem aus Aluminiumblech gefertigten Trägerelement gefertigt sein kann. Alle übrigen Gehäusewände sind bevorzugt aus lichtdurchlässigem Material, vorzugsweise Kunststoff, hergestellt. Die Gehäuseoberseite trägt die Platinen. Eine derartige Leuchte kann als so genannte Hinweise- der Notbeleuchtung ausgeführt werden. Für diesen Fall sind die Gehäusewände mit Piktogrammen beschichtet.Preferably, the lamp according to the invention is cubic or cuboid, wherein the housing top can be made of a made of aluminum sheet carrier element. All other housing walls are preferably made of translucent material, preferably plastic. The top of the housing carries the boards. Such a luminaire can be designed as so-called emergency lighting. In this case, the housing walls are covered with pictograms.

Ein Ausführungsbeispiel der Erfindung wird anhand von Figuren genauer erläutert.An embodiment of the invention will be explained in more detail with reference to figures.

Es zeigen:

  • Fig. 1 eine perspektivische Ansicht einer erfindungsgemäßen Leuchte,
  • Fig. 2 eine perspektivische Ansicht auf die Innenseite eines Trägerelementes einer Leuchte gemäß Fig. 1,
  • Fig. 3 ein erstes Detail Y gemäß Fig. 2,
  • Fig. 4 ein zweites Detail Z gemäß Fig. 2 und
  • Fig. 5 eine Draufsicht auf die Innenseite eines Trägerelements gemäß Fig. 2.
Show it:
  • Fig. 1 a perspective view of a lamp according to the invention,
  • Fig. 2 a perspective view of the inside of a support element of a luminaire according to Fig. 1 .
  • Fig. 3 a first detail Y according to Fig. 2 .
  • Fig. 4 a second detail Z according to Fig. 2 and
  • Fig. 5 a plan view of the inside of a support member according to Fig. 2 ,

In Figur 1 ist eine erfindungsgemäße Leuchte dargestellt Diese besteht aus einer Gehäuseoberseite, die als aus Aluminiumblech gefertigtes Trägerelement (1) ausgeführt ist. Alle übrigen Gehäusewände (9) sind aus lichtdurchlässigem Material, vorzugsweise Kunststoff beispielsweise aus 3 mm starkem PMMA hergestellt. Wenn die Leuchte als Rettungszeichenleuchte ausgeführt ist, kann die Innenseite der Seitewände mit Rettungszeichen bedruckt sein.In FIG. 1 an inventive lamp is shown This consists of a housing top, which is designed as a made of aluminum sheet carrier element (1). All other housing walls (9) are made of translucent material, preferably plastic, for example, made of 3 mm thick PMMA. If the luminaire is designed as a rescue sign lamp, the inside of the side walls can be printed with escape signs.

Die Seitenwände sind mit dem Trägerelement (1) verschraubt und die Gehäuseunterseite ist mit den Seitenwänden verklebt. Im Gehäuseinneren kann auf der Gehäuseunterseite eine reflektierende Schicht (12) beispielsweise ein Aluminiumreflektor oder eine reflektierende Folie eingelegt werden, um das von den auf Platinen (3) angeordnete Leuchtdioden (LED) abgegebene Licht besser auf die Seitenwände zu verteilen.The side walls are bolted to the support element (1) and the bottom of the housing is glued to the side walls. Inside the housing, a reflecting layer (12), for example an aluminum reflector or a reflecting foil, can be placed on the underside of the housing in order to better distribute the light emitted by the light-emitting diodes (LED) mounted on printed circuit boards (LED) to the side walls.

In Figur 2 und Figur 5 ist das Trägerelement (1) dargestellt. Dieses nimmt ein Betriebsgerät (2), elektrische Anschlussklemmen (5, 6) sowie einen Akkumulator (4), der im Notbetrieb für die Stromversorgung der Leuchte sorgt, auf. Die Funktionsfähigkeit sowie der Ladestatus des Akkumulators (4) muss angezeigt werden. Dies erfolgt mit einer Status-LED (7), welche an einer Seitenwand angebracht ist und die stark genug leuchtet, um durch die Seitenwand hindurch zu leuchten um wahrnehmbar zu sein. Die reguläre Stromversorgung erfolgt über Stromkabel, die durch Einspeisetüllen (8) in das Gehäuseinnere geführt werden können.In FIG. 2 and FIG. 5 the carrier element (1) is shown. This takes a control gear (2), electrical terminals (5, 6) and an accumulator (4), which provides in emergency operation for the power supply of the lamp on. The functionality and the charging status of the accumulator (4) must be displayed. This is done with a status LED (7) which is mounted on a sidewall and which shines strongly enough to shine through the sidewall to be noticeable. The regular power supply is via power cables, which can be fed through feeders (8) in the housing interior.

Figur 5 zeigt in Draufsicht das Trägerelement (1), welches weiters vier Platinen (3) aufnimmt, die so im Trägerelement (1) angeordnet sind, dass sie eine rechteckige Fläche umschließen. Innerhalb dieser Fläche sind das besagte Betriebsgerät (2), die elektrische Anschlussklemmen (5, 6) sowie der Akkumulator (4) angeordnet. Die Platinen (3) sind jeweils mit sechs Leuchtdioden bestückt und werden von in das Trägerelement (1) eingearbeitete Prägungen in ihrer Lage fixiert. Zur vollen Fixierung ist jeder Platine (3) an deren Stirnseiten ein Gewindedurchzug (11) zugeordnet, mit dem eine Schraube (10) zusammenwirkt. Die Schraube (10) trägt wenigstens eine erste Beilagscheibe (13), welche die ihr zugeordnete Platine übergreift. Wird nun die Schraube (10) angezogen, so drückt die Beilagscheibe (13) auf die Platine (3) und fixiert diese auf diese Weise im Trägerelement. FIG. 5 shows in plan view the carrier element (1), which further accommodates four boards (3), which are arranged in the carrier element (1), that they enclose a rectangular area. Within this area, the said operating device (2), the electrical connection terminals (5, 6) and the accumulator (4) are arranged. The boards (3) are each equipped with six LEDs and are fixed by in the support element (1) incorporated imprints in their position. For full fixation, each plate (3) is associated with a threaded passage (11) on its end faces, with which a screw (10) cooperates. The screw (10) carries at least a first washer (13) which its associated Board overlaps. Now, when the screw (10) tightened, so presses the washer (13) on the board (3) and fixes them in this way in the support element.

In Figur 3 sind zwei um 90 Grad versetzt angeordnete Platinen (3) erkennbar. Die Platinen (3) stoßen stirnseitig an ihren inneren Ecken zusammen. Im stirnseitigen Bereich dieser beiden Platinen (3) ist eine Beilagescheibe (13') in der Weise platziert, dass diese an der Stirnseite einer jeden der beiden Platinen (3) anliegt. Die Beilagscheiben (13') bilden einen Längsanschlag für die Platinen (3). Die Montageposition der Platinen (3) ist somit durch die Prägungen im Trägerelement (1) sowie durch die Beilagscheiben (13') exakt definiert.In FIG. 3 two staggered by 90 degrees arranged boards (3) can be seen. The boards (3) collide frontally at their inner corners. In the frontal region of these two boards (3) a shim (13 ') is placed in such a way that it rests against the end face of each of the two boards (3). The washers (13 ') form a longitudinal stop for the boards (3). The mounting position of the boards (3) is thus exactly defined by the imprints in the carrier element (1) and by the washers (13 ').

Insbesondere in Figur 4 ist erkennbar, dass die Öffnung jeder der Beilagscheiben (13') einen Innendurchmesser aufweist, der größer ist als der Außendurchmesser des Gewindedurchzuges (11). Somit können die Beilagscheiben (13') über den jeweiligen Gewindedurchzug (11) gesteckt und damit lagerichtig bzw. zentriert im Gehäuse angeordnet werden. Die Beilagscheiben (13') sind um etwa 0,2 mm höher als es die unbestückte Platine (3) - also nur die Leiterplatte an sich - ist. Die Beilagescheiben (13') bilden somit eine gute Auflagefläche für über ihnen liegende Beilagescheibe (13), deren Außendurchmesser größer ist, als der Außendurchmesser der Beilagescheibe (13'). Jener Bereich, der Beilagescheibe (13) welcher über die Beilagescheibe (13') hinaus ragt, übergreift die Platine (3) und hält die Platine (3) auf diese Weise im Trägerelement (1) und sichert und fixert diese in ihrer Montageposition.In particular in FIG. 4 It can be seen that the opening of each of the shims (13 ') has an inner diameter which is greater than the outer diameter of the threaded passage (11). Thus, the washers (13 ') can be placed over the respective threaded passage (11) and thus arranged in the correct position or centered in the housing. The washers (13 ') are about 0.2 mm higher than the unpopulated board (3) - so only the circuit board itself - is. The shims (13 ') thus form a good bearing surface for overlying shim (13) whose outer diameter is greater than the outer diameter of the shim (13'). That area, the shim (13) which projects beyond the shim (13 '), engages over the board (3) and holds the board (3) in this way in the support element (1) and secures and fixes them in their mounting position.

Die Beilagscheiben (13, 13') sind aus Kunststoff gefertigt. Die erste Beilagscheibe (13) weist einen Innendurchmesser von 4,3 mm und einen Außendurchmesser von 18,0 mm auf und ist 2,0 mm hoch; die zweite Beilagscheibe (13') hat einen Innendurchmesser von 5,2 mm und einen Außendurchmesser von 12,0 mm auf und ist 2,0 mm hoch. Der Gewindedurchzug (11) weist ein M4-Innengewinde auf; damit sind die Schrauben (10) M4-Schrauben.The washers (13, 13 ') are made of plastic. The first washer (13) has an inner diameter of 4.3 mm and an outer diameter of 18.0 mm and is 2.0 mm high; the second washer (13 ') has an inner diameter of 5.2 mm and an outer diameter of 12.0 mm and is 2.0 mm high. The threaded passage (11) has an M4 internal thread; So the screws (10) are M4 screws.

Claims (8)

  1. A luminaire with housing for the accommodation of an operating device and a lighting means, wherein the lighting means is formed from light-emitting diodes (LED), which are arranged on a circuit board and which is fixed in the housing by means of screws,
    and immediately adjacent to the circuit board (3) a threaded passage (11) is provided which receives a screw (10) and that the screw (10) supports an annular washer (13), wherein said washer partially engages over the circuit board (3), in order to fix said circuit board in the housing,
    characterized in
    that each screw receives a second washer (13'), the outer diameter of which is smaller than the outer diameter of the first washer (13), wherein the second washer (13') forms a longitudinal stop for the circuit board and the second washer (13') has an inner diameter which is larger than the outer diameter of the threaded passage (11).
  2. A luminaire according to Claim 1,
    characterized in
    that on both end faces of the circuit board a threaded passage (11) is provided, that each of the threaded passages (11) receives a screw (10) with a washer (13), wherein the washers engage over the circuit board (3) on the end face.
  3. A luminaire according to Claim 1 or 2,
    characterized in
    that the housing accommodates several circuit boards (3) and that the circuit boards (3) are placed side by side so that a screw (10) with washer (13) fixes at least two circuit boards (3) in the housing.
  4. A luminaire according to Claim 1, 2, or 3,
    characterized in
    that the housing accommodates four circuit boards (3) and that the circuit boards are arranged offset by 90 degrees.
  5. A luminaire according to any one of the preceding claims,
    characterized in
    that the circuit boards (3) are guided laterally by stops, in particular, embossments in the housing.
  6. A luminaire according to any one of the preceding claims,
    characterized in
    that the washers (13, 13') are designed as plastic discs.
  7. A luminaire according to any one of the preceding claims,
    characterized in
    that the second washer (13') is higher by approximately 0.2 mm than the circuit board (3).
  8. A luminaire according to any one of the preceding claims,
    characterized in
    that the luminaire is cubical or cuboidal,
    that the upper side of the housing is designed as a support element (1) produced from aluminum sheet, that all remaining housing walls (9) are produced from light-permeable material, preferably plastic and that the support element supports the circuit boards (3), the operating device (2) and electrical connection terminals (5, 6).
EP13001928.4A 2012-04-12 2013-04-12 Lamp with light emitting diodes Active EP2650864B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ATGM139/2012U AT13301U1 (en) 2012-04-12 2012-04-12 Luminaire with LED

Publications (3)

Publication Number Publication Date
EP2650864A2 EP2650864A2 (en) 2013-10-16
EP2650864A3 EP2650864A3 (en) 2014-05-07
EP2650864B1 true EP2650864B1 (en) 2018-07-04

Family

ID=48141718

Family Applications (1)

Application Number Title Priority Date Filing Date
EP13001928.4A Active EP2650864B1 (en) 2012-04-12 2013-04-12 Lamp with light emitting diodes

Country Status (2)

Country Link
EP (1) EP2650864B1 (en)
AT (1) AT13301U1 (en)

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19655357B4 (en) * 1996-05-25 2009-01-15 Automotive Lighting Reutlingen Gmbh Vehicle headlights
JP3852687B2 (en) * 2002-01-08 2006-12-06 松下電工株式会社 Lighting equipment for display
JP4315042B2 (en) * 2004-04-09 2009-08-19 パナソニック電工株式会社 Lighting apparatus and lighting apparatus using the same
JP5072568B2 (en) * 2007-12-18 2012-11-14 三菱電機株式会社 LED lighting device
JP2009283140A (en) * 2008-05-19 2009-12-03 Sharp Corp Light source module, and lighting apparatus

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
None *

Also Published As

Publication number Publication date
EP2650864A2 (en) 2013-10-16
AT13301U1 (en) 2013-10-15
EP2650864A3 (en) 2014-05-07

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