EP2348249B1 - Built-in LED - Google Patents

Built-in LED Download PDF

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Publication number
EP2348249B1
EP2348249B1 EP10014728.9A EP10014728A EP2348249B1 EP 2348249 B1 EP2348249 B1 EP 2348249B1 EP 10014728 A EP10014728 A EP 10014728A EP 2348249 B1 EP2348249 B1 EP 2348249B1
Authority
EP
European Patent Office
Prior art keywords
flush
led
light
switching apparatus
luminous element
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
EP10014728.9A
Other languages
German (de)
French (fr)
Other versions
EP2348249A1 (en
Inventor
Volker Gerrath
Sven Dipl.-Ing. Diehl
Robert Dipl.-Ing. Zapp
Manfred Dipl.-Ing. Lange
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.)
ABB AG Germany
Original Assignee
ABB AG Germany
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Filing date
Publication date
Application filed by ABB AG Germany filed Critical ABB AG Germany
Publication of EP2348249A1 publication Critical patent/EP2348249A1/en
Application granted granted Critical
Publication of EP2348249B1 publication Critical patent/EP2348249B1/en
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • 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
    • F21S8/02—Lighting devices intended for fixed installation of recess-mounted type, e.g. downlighters
    • F21S8/024—Lighting devices intended for fixed installation of recess-mounted type, e.g. downlighters intended to be recessed in a wall or like vertical structure, e.g. building facade
    • 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
    • F21V21/00—Supporting, suspending, or attaching arrangements for lighting devices; Hand grips
    • F21V21/02—Wall, ceiling, or floor bases; Fixing pendants or arms to the bases
    • F21V21/04—Recessed bases
    • 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
    • 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
    • F21V21/00—Supporting, suspending, or attaching arrangements for lighting devices; Hand grips
    • F21V21/14—Adjustable mountings
    • F21V21/30—Pivoted housings or frames
    • 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
    • F21V29/00—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
    • F21V29/50—Cooling arrangements
    • F21V29/70—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks
    • 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
    • F21V3/00—Globes; Bowls; Cover glasses
    • 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]
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H23/00—Tumbler or rocker switches, i.e. switches characterised by being operated by rocking an operating member in the form of a rocker button
    • H01H23/02—Details
    • H01H23/025—Light-emitting indicators
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
    • H01H9/18—Distinguishing marks on switches, e.g. for indicating switch location in the dark; Adaptation of switches to receive distinguishing marks
    • H01H9/182—Illumination of the symbols or distinguishing marks

Definitions

  • the invention relates to a flush-mounted LED light for installation in a commercially available, flush-mounted box (especially according to DIN 49073).
  • From the DE 201 01 295 is a lighting device for operation on an AC voltage network known, which is not switchable like a conventional installation switch.
  • From the DE 203 13 428 U1 is known from a mounting plate, a populated with light-emitting diodes and optionally other electronic components, printed circuit board, with power supply lines, a light distribution panel and a frame with a light exit opening existing light known.
  • the power supply lines are led to a connection box arranged essentially behind the luminaire, in which a transformer which can be connected to the power network is arranged.
  • the connection cables of several luminaires behind a wall covering can be routed to a central connection point where a low-voltage source (transformer) is installed.
  • an installation switch or push-button with device base, rocker and lighting wherein a light guide is arranged on the back of the rocker and wherein in the device base a lamp holder is arranged with a lamp whose light radiates into a light entrance surface of the light guide.
  • the rocker has a light exit opening on its side edge, which preferably faces toward the floor when the installation peeler or button is mounted, which receives a light exit surface of the light guide, so that the one below the mounted Installation switch or button located floor is lit.
  • the installation switch or pushbutton can also be rotated by 180 °, so that the light exit opening radiates towards the ceiling, resulting in a very bright, preferably white ceiling for the reflection of the radiated light, thereby the desired floor lighting is realized.
  • the invention has for its object to provide a flush-mounted LED light, which is switchable like a conventional installation switch or button.
  • the 230V switching apparatus is acted upon by pressure on the luminous element in such a way that the LED illuminant is switched on / off.
  • the achievable with the present invention consist in particular that in the OFF state of the flush-mounted LED light no stand-by losses occur.
  • the flush-mounted LED light has a light element as a "central disc” or within a central pane and a cover, so that a beautiful integration / integration in an installation equipment program respectively switch and socket program and a combination with other devices, such as switches / buttons / Dimmers / sockets this switch and socket program is possible.
  • different light elements can be used in one and the same device base depending on the choice.
  • the integrated 230V switching device in the device base is very robust, so that a long service life also is ensured at many switching operations.
  • using the same device base either switchable and non-switchable flush-mounted LED lights can be realized.
  • the light-emitting element 11 has a lateral light outlet 12 with front-side optical lens 16 and LED illuminant 15 arranged behind it.
  • a heat sink 17 that is in direct thermal contact with the LED illuminant 15 serves to dissipate the thermal energy generated by the LED illuminant 15 during operation.
  • optical lens 16, LED illuminant 15 and heat sink 17 are installed on the circuit board of the LED assembly 14.
  • the open-circuit and short-circuit proof converter supplies on its secondary side a constant direct current, z. B. 350 mA, for the supply of the LED bulb.
  • the 230V switching apparatus 8 has a switching apparatus actuation 7, on which a plunger 13 of the luminous element 11 acts.
  • an opening / locking system 9 for example, a push-push mechanism, be installed in the device base 5 so as to a defined, unique position of the lighting element 11 in both the ON state and in the OFF state of the flush LED light 1 pretend.
  • the 230V switching device 8 switches the connection between the connection unit for 230V power lines and the primary terminal of the converter, whereby the flush-mounted LED light in the OFF state advantageously causes no stand-by losses.
  • FIG. 2 is a perspective view of a flush-mounted LED lamp 1 first embodiment in the form of an "exploded view" shown. It is the one for installation in a standard flush-mounted device box according to DIN 49073 suitable device base 5 with support ring 6, switch actuator 7 and opening / Verriegetungssystem, the cover frame 20, the LED assembly 14 with optical lens 16, LED illuminant 15, heat sink 17 and management / Holding elements 18 and the light-emitting element 11 with light outlet 12 to recognize.
  • the guide / holding elements 18 engage in locking recesses in corresponding recesses of the support ring 6, wherein depending on the design of these guide / support members 18 a mobility within fixed end positions is possible.
  • Fig. 3 is a side section through a flush-mounted LED light second embodiment shown.
  • a central plate 23 including a light-emitting element 22 arranged therein is used, in which the LED light-emitting means 15 is not arranged in the immediate vicinity of the light outlet, but for example on the light outlet opposite end wall.
  • the heat sink 17 is designed differently including its position.
  • the device base 5 with support ring 6, 230V switching device 8 including switching device operation 7 and opening Nerriegelungssystem 9 is in turn as above for flush-mounted LED lamp 1 executed, as well as the central disc 23 enclosing cover frame 20th
  • FIG. 4 is a perspective view of a flush-mounted LED light second embodiment in the form of an "exploded view” shown.
  • the device base 5 with support ring 6, switch operation 7 and opening Nerriegelungssystem 9, the cover 20 and the central plate 23 with the light-emitting element 22, wherein the central disc 23 is provided with guide / holding elements 18 for anchoring in corresponding recesses in the support ring 6 of the flush-mounted LED light 2.
  • Fig. 5 is a side section through a flush-mounted LED light second embodiment shown with pivoted light-emitting element.
  • the retaining pin 10 is not in engagement with the opening Nerriegelungssystem 9. It can be seen that by default / adjustment of the pivot angle between the light emitting element 22 and central plate 23, the light generated by the LED light source 15 can be aligned in the desired manner.
  • the light-emitting element 22 and the 230V switching device 8 located in the device base 5 including the switching device actuation 7 cooperate in such a way that the LED illuminant 15 is switched on when the light element 22 is swung out and with the light element 22 pivoted into the central plate 23 (the off position or neutral position). is off.
  • Fig. 6 is a side section through a flush-mounted LED light third embodiment shown.
  • the special feature of this third embodiment of the flush-mounted LED lamp 3 is that the light element used here 24 next to an LED bulb 26 having a heat sink serving for heat sink 27 has a relatively large volume formed translucent portion 25 which both a lateral than also allows a fron detergent light outlet.
  • the translucent portion 25 is preferably in the form of an "acrylic cuboid".
  • the 230V switching device 8 located in the device base 5 is preferably designed as a parallel stroke button, so that the switching on / off of the LED bulb 26 in cooperation with the switch operation 7 and the opening / locking system 9 by briefly pressing the light emitting element 24th and thereby vertical movement of the light-emitting element 24 to the device base 5 can take place.
  • This variant also offers the possibility of forming the acrylic cuboid in the form of an exchangeable "design element" and to provide it in different color variants.
  • the translucent portion 25 is enclosed by a cover frame 20.
  • FIG. 6 it is in modification of the explanations too FIG. 6 also possible, a flush-mounted LED light using the device base 5 available in which the switching function is not realized and in which the flush-mounted LED light is switched with a separate switch, ie the switchable and the non-switchable embodiment are based on the same device base. 5
  • cover frame 20 and optionally the central disc can be selected from a variety of different sockets / switch programs.
  • a schematic diagram for the electrical connection of the flush-mounted LED light is shown. It is the device base 5 shown with its components connecting unit 30, 230V switching device 8 and converter 31. To the terminal unit 30 on the one hand, the 230V power line 29, on the other hand, the 230V switching device 8 is connected. A circuit of the 230V switching apparatus 8 is effected by pressure on the switch operation 7 by means of the luminous element 11 or 22 or 24. When the 230V switching apparatus 8 is switched on, the primary connection of the converter 31 is supplied with 230V alternating voltage, whereupon the converter 31 supplies the LED illuminator 15 or 26 on the secondary side.

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

Description

Die Erfindung betrifft eine Unterputz-LED-Leuchte für den Einbau in eine handelsübliche,UP-Gerätedose (insbesondere nach DIN 49073).The invention relates to a flush-mounted LED light for installation in a commercially available, flush-mounted box (especially according to DIN 49073).

Aus der DE 201 01 295 ist eine Beleuchtungseinrichtung zum Betrieb an einem Wechselspannungsnetz bekannt, welche jedoch nicht wie ein herkömmlicher Installationsschalter schaltbar ist.From the DE 201 01 295 is a lighting device for operation on an AC voltage network known, which is not switchable like a conventional installation switch.

Aus der DE 203 13 428 U1 ist eine aus einer Montageplatte, einer mit Leuchtdioden und gegebenenfalls weiteren elektronischen Bauteilen bestückten, Leiterplatte, mit Stromzuführungsleitungen, einer Lichtverteilungsscheibe und einem Blendrahmen mit einer Lichtaustrittsöffnung bestehende Leuchte bekannt. Die Stromzuführungsleitungen sind zu einer im Wesentlichen hinter der Leuchte angeordneten Anschlussdose geführt, in der ein an das Stromnetz anschließbarer Transformator angeordnet ist. Es können die Anschlussleitungen mehrerer Leuchten hinter einem Wandbelag (Fliesen, Fliesenspiegel) zu einer zentralen Anschlussstelle geführt sein, an der eine Niederspannungsquelle (Trafo) installiert ist.From the DE 203 13 428 U1 is known from a mounting plate, a populated with light-emitting diodes and optionally other electronic components, printed circuit board, with power supply lines, a light distribution panel and a frame with a light exit opening existing light known. The power supply lines are led to a connection box arranged essentially behind the luminaire, in which a transformer which can be connected to the power network is arranged. The connection cables of several luminaires behind a wall covering (tiles, tile mirrors) can be routed to a central connection point where a low-voltage source (transformer) is installed.

Aus der DE 10 2007 001 850 B3 ist ein Installationsschalter oder-taster mit Gerätesockel, Wippe und Beleuchtung bekannt, wobei ein Lichtleiter an der Rückseite der Wippe angeordnet ist und wobei im Gerätesockel ein Lampenhalter mit einer Lampe angeordnet ist, deren Licht in eine Lichteintrittsfläche des Lichtleiters strahlt. Die Wippe weist an ihrer bei montiertem Installationsschälter oder -taster vorzugsweise in Richtung Fußboden weisenden Seitenkante eine Lichtaustrittsöffnung auf, welche eine Lichtaustrittsfläche des Lichtleiters aufnimmt, so dass der unterhalb des montierten Installationsschalters oder -tasters befindliche Fußboden erhellt wird. Bei Ausführung als Installationsschalter mit zwei unterschiedlichen Stellungen der Wippe wird die Lampe lediglich in der Ausschalt-Stellung der Wippe eingeschaltet, während die Lampe in der Einschalt-Stellung der Wippe ausgeschaltet bleibt. Zwar strahlt die Lichtaustrittsöffnung vorzugsweise in Richtung Fußboden, alternativ kann der Installationsschalter oder taster jedoch auch um 180° gedreht montiert werden, so dass die Lichtaustrittsöffnung in Richtung Decke strahlt, was bei einer sehr hellen, vorzugsweise weißen Decke zur Reflexion des abgestrahlten Lichts führt, wodurch die gewünschte Fußbodenbeleuchtung realisiert wird.From the DE 10 2007 001 850 B3 an installation switch or push-button with device base, rocker and lighting is known, wherein a light guide is arranged on the back of the rocker and wherein in the device base a lamp holder is arranged with a lamp whose light radiates into a light entrance surface of the light guide. The rocker has a light exit opening on its side edge, which preferably faces toward the floor when the installation peeler or button is mounted, which receives a light exit surface of the light guide, so that the one below the mounted Installation switch or button located floor is lit. When designed as an installation switch with two different positions of the rocker, the lamp is turned on only in the off position of the rocker, while the lamp remains switched off in the on position of the rocker. Although the light exit opening radiates preferably in the direction of the floor, alternatively, the installation switch or pushbutton can also be rotated by 180 °, so that the light exit opening radiates towards the ceiling, resulting in a very bright, preferably white ceiling for the reflection of the radiated light, thereby the desired floor lighting is realized.

Der Erfindung liegt die Aufgabe zugrunde, eine Unterputz-LED-Leuchte anzugeben, die wie ein herkömmlicher Installationsschalter oder-taster schaltbar ist.The invention has for its object to provide a flush-mounted LED light, which is switchable like a conventional installation switch or button.

Diese Aufgabe wird erfindungsgemäß gelöst durch eine Unterputz-LED-Leuchte für den elektrischen und mechanischen Anschluss in einer handelsüblichen UP-Gerätedose

  • mit einem Gerätesockel, welcher einen Konverter zur Versorgung eines LED-Leuchtmittels inklusive Anschlusseinheit für 230V-Netzleitungen sowie einen 230V-Schaltapparat inklusive Schaltapparat-Betätigung aufweist und
  • mit einem zentralen Leuchtelement, wobei das LED-Leuchtmittel im Leucht-element integriert ist.
This object is achieved by a flush-mounted LED light for the electrical and mechanical connection in a standard flush-mounted device box
  • with a device base, which has a converter for supplying a LED illuminant including connection unit for 230V power lines and a 230V switching apparatus including switching apparatus operation and
  • with a central luminous element, wherein the LED illuminant is integrated in the luminous element.

Vorzugsweise ist dabei der 230V-Schaltapparat durch Druck auf das Leuchtelement derart beaufschlagbar, dass das LED-Leuchtmittel eingeschaltet / ausgeschaltet wird. Die mit der Erfindung erzielbaren Vorteile bestehen insbesondere darin, dass im AUS-Zustand der Unterputz-LED-Leuchte keinerlei Stand-by-Verluste auftreten. Die Unterputz-LED-Leuchte weist ein Leuchtelement als "Zentralscheibe" oder innerhalb einer Zentralscheibe und einen Abdeckrahmen auf, so dass eine formschöne Einbindung / Integration in ein Installationsgeräte-Programm respektive Schalter- und Steckdosenprogramm sowie eine Kombination mit weiteren Geräten, beispielsweise Schaltern / Tastern / Dimmern / Steckdosen dieses Schalter- und Steckdosenprogramms möglich ist. Dabei können bei ein und demselben Gerätesockel je nach Wahl unterschiedliche Leuchtelemente verwendet werden. Der im Gerätesockel integrierte 230V-Schaltapparat ist sehr robust, so dass eine hohe Lebensdauer auch bei sehr vielen Schaltvorgängen sichergestellt ist. Vorteilhaft können unter Einsatz des gleichen Gerätesockels entweder schaltbare und nicht schaltbare Unterputz-LED-Leuchten realisiert werden.Preferably, the 230V switching apparatus is acted upon by pressure on the luminous element in such a way that the LED illuminant is switched on / off. The achievable with the present invention consist in particular that in the OFF state of the flush-mounted LED light no stand-by losses occur. The flush-mounted LED light has a light element as a "central disc" or within a central pane and a cover, so that a beautiful integration / integration in an installation equipment program respectively switch and socket program and a combination with other devices, such as switches / buttons / Dimmers / sockets this switch and socket program is possible. In this case, different light elements can be used in one and the same device base depending on the choice. The integrated 230V switching device in the device base is very robust, so that a long service life also is ensured at many switching operations. Advantageously, using the same device base either switchable and non-switchable flush-mounted LED lights can be realized.

Vorteilhafte Ausgestaltungen der Erfindung sind in den Unteransprüchen gekennzeichnet.Advantageous embodiments of the invention are characterized in the subclaims.

Die Erfindung wird nachstehend an Hand der in der Zeichnung dargestellten Ausführungsbeispiele erläutert. Es zeigen:

Fig. 1
einen seitlichen Schnitt durch eine Unterputz-LED-Leuchte erster Ausführungsform,
Fig. 2
eine perspektivische Sicht auf eine Unterputz-LED-Leuchte erster Ausführungsform in Form einer "Explosionszeichnung",
Fig. 3
einen seitlichen Schnitt durch eine Unterputz-LED-Leuchte zweiter Ausführungsform,
Fig. 4
eine perspektivische Sicht auf eine Unterputz-LED-Leuchte zweiter Ausführungsform in Form einer "Explosionszeichnung",
Fig. 5
einen seitlichen Schnitt durch eine Unterputz-LED-Leuchte zweiter Ausführungsform bei geschwenktem Leucht-Element,
Fig. 6
einen seitlichen Schnitt durch eine Unterputz-LED-Leuchte dritter Ausführungsform,
Fig. 7
eine perspektivische Sicht auf eine Unterputz-LED-Leuchte dritter Ausführungsform in Form einer "Explosionszeichnung",
Fig. 8
eine Prinzipskizze zur elektrischen Verschaltung der Unterputz-LED-Leuchte.
The invention will be explained below with reference to the embodiments illustrated in the drawings. Show it:
Fig. 1
a side section through a flush-mounted LED lamp of the first embodiment,
Fig. 2
a perspective view of a flush-mounted LED lamp of the first embodiment in the form of an "exploded view",
Fig. 3
a side section through a flush-mounted LED light second embodiment,
Fig. 4
a perspective view of a flush-mounted LED light second embodiment in the form of an "exploded view",
Fig. 5
a side section through a flush-mounted LED light second embodiment with pivoted light-emitting element,
Fig. 6
a side section through a flush-mounted LED lamp third embodiment,
Fig. 7
a perspective view of a flush-mounted LED lamp third embodiment in the form of an "exploded view",
Fig. 8
a schematic diagram of the electrical connection of the flush-mounted LED light.

In Fig. 1 ist ein seitlicher Schnitt durch eine Unterputz-LED-Leuchte erster Ausführungsform dargestellt. Die Unterputz-LED-Leuchte 1 besteht dabei aus folgenden Hauptkomponenten:

  • einem Gerätesockel 5 inklusive Tragring 6, Konverter (Netzteil, LED-Treiber), Steuer-/Regeleinrichtung hierzu, Anschlusseinheit für 230V-Netzleitungen und 230V-Schaltapparat 8, wie Ein/Aus-Schalter oder Parallelhub-Taster,
  • einem Leuchtelement 11 in Form einer Wippe oder eines Tasters, welches eine vorzugsweise auf einer Leiterplatte aufgebaute LED-Baugruppe 14 aufweist und
  • einem Abdeckrahmen 20.
In Fig. 1 a lateral section through a flush-mounted LED light of the first embodiment is shown. The flush-mounted LED light 1 consists of the following main components:
  • a device base 5 including support ring 6, converter (power supply, LED driver), control / regulating device for this purpose, connection unit for 230V power lines and 230V switching device 8, such as on / off switch or parallel stroke button,
  • a lighting element 11 in the form of a rocker or a button, which has a preferably constructed on a printed circuit board LED assembly 14 and
  • a cover frame 20.

Das Leuchtelement 11 weist einen seitlichen Lichtauslass 12 mit stirnseitiger optischer Linse 16 und dahinter angeordnetem LED-Leuchtmittel 15 auf. Ein thermisch unmittelbar mit dem LED-Leuchtmittel 15 kontaktierter Kühlkörper 17 dient zur Abfuhr der während des Betriebes vom LED-Leuchtmittel 15 erzeugten Wärmeenergie. Zweckmäßig sind optische Linse 16, LED-Leuchtmittel 15 und Kühlkörper 17 auf der Leiterplatte der LED-Baugruppe 14 installiert.The light-emitting element 11 has a lateral light outlet 12 with front-side optical lens 16 and LED illuminant 15 arranged behind it. A heat sink 17 that is in direct thermal contact with the LED illuminant 15 serves to dissipate the thermal energy generated by the LED illuminant 15 during operation. Appropriately, optical lens 16, LED illuminant 15 and heat sink 17 are installed on the circuit board of the LED assembly 14.

Der leerlauf- und kurzschlussfeste Konverter liefert auf seiner Sekundärseite einen Konstant-Gleichstrom, z. B. 350 mA, für die Speisung des LED-Leuchtmittels. Der 230V-Schaltapparat 8 weist eine Schaltapparat-Betätigung 7 auf, auf die ein Stößel 13 des Leuchtelements 11 einwirkt. Zusätzlich kann ein Öffnungs-/Verriegelungssystem 9, beispielsweise eine Push-Push-Mechanik, im Gerätesockel 5 eingebaut sein, um derart eine definierte, eindeutige Position des Leuchtelements 11 sowohl im EIN-Zustand als auch im AUS-Zustand der Unterputz-LED-Leuchte 1 vorzugeben.The open-circuit and short-circuit proof converter supplies on its secondary side a constant direct current, z. B. 350 mA, for the supply of the LED bulb. The 230V switching apparatus 8 has a switching apparatus actuation 7, on which a plunger 13 of the luminous element 11 acts. In addition, an opening / locking system 9, for example, a push-push mechanism, be installed in the device base 5 so as to a defined, unique position of the lighting element 11 in both the ON state and in the OFF state of the flush LED light 1 pretend.

Von wesentlicher Bedeutung ist es, dass der 230V-Schaltapparat 8 die Verbindung zwischen der Anschlusseinheit für 230V-Netzleitungen und dem Primäranschluss des Konverters schaltet, wodurch die Unterputz-LED-Leuchte im AUS-Zustand vorteilhaft keinerlei Stand-by-Verluste verursacht.It is essential that the 230V switching device 8 switches the connection between the connection unit for 230V power lines and the primary terminal of the converter, whereby the flush-mounted LED light in the OFF state advantageously causes no stand-by losses.

In Fig. 2 ist eine perspektivische Sicht auf eine Unterputz-LED-Leuchte 1 erster Ausführungsform in Form einer "Explosionszeichnung" dargestellt. Es ist der zum Einbau in eine handelsübliche UP-Gerätedose nach DIN 49073 geeignete Gerätesockel 5 mit Tragring 6, Schaltapparat-Betätigung 7 und Öffnungs-/Verriegetungssystem, der Abdeckrahmen 20, die LED-Baugruppe 14 mit optischer Linse 16, LED-Leuchtmittel 15, Kühlkörper 17 und Führungs-/Halteelementen 18 sowie das Leuchtelement 11 mit Lichtauslass 12 zu erkennen. Die Führungs-/Halteelemente 18 greifen arretierend in korrespondierende Ausnehmungen des Tragrings 6 ein, wobei in Abhängigkeit der Gestaltung dieser Führungs-/Halteelemente 18 eine Beweglichkeit innerhalb festgelegter Endpositionen ermöglicht ist.In Fig. 2 is a perspective view of a flush-mounted LED lamp 1 first embodiment in the form of an "exploded view" shown. It is the one for installation in a standard flush-mounted device box according to DIN 49073 suitable device base 5 with support ring 6, switch actuator 7 and opening / Verriegetungssystem, the cover frame 20, the LED assembly 14 with optical lens 16, LED illuminant 15, heat sink 17 and management / Holding elements 18 and the light-emitting element 11 with light outlet 12 to recognize. The guide / holding elements 18 engage in locking recesses in corresponding recesses of the support ring 6, wherein depending on the design of these guide / support members 18 a mobility within fixed end positions is possible.

In Fig. 3 ist ein seitlicher Schnitt durch eine Unterputz-LED-Leuchte zweiter Ausführungsform dargestellt. Bei dieser Variante der Unterputz-LED-Leuchte 2 wird eine Zentralscheibe 23 inklusive einem darin angeordnetem Leuchtelement 22 verwendet, bei welchem das LED-Leuchtmittel 15 nicht in unmittelbarer Nähe des Lichtauslasses angeordnet ist, sondern beispielsweise an der dem Lichtauslass entgegengesetzten Stirnwand. Dementsprechend ist auch der Kühlkörper 17 inklusive seiner Position unterschiedlich gestaltet. Der Gerätesockel 5 mit Tragring 6, 230V-Schaltapparat 8 inklusive Schaltapparat-Betätigung 7 und Öffnungs-Nerriegelungssystem 9 ist wiederum wie vorstehend zur Unterputz-LED-Leuchte 1 ausgeführt, desgleichen auch der die Zentralscheibe 23 umschließende Abdeckrahmen 20.In Fig. 3 is a side section through a flush-mounted LED light second embodiment shown. In this variant of the flush-mounted LED light 2, a central plate 23 including a light-emitting element 22 arranged therein is used, in which the LED light-emitting means 15 is not arranged in the immediate vicinity of the light outlet, but for example on the light outlet opposite end wall. Accordingly, the heat sink 17 is designed differently including its position. The device base 5 with support ring 6, 230V switching device 8 including switching device operation 7 and opening Nerriegelungssystem 9 is in turn as above for flush-mounted LED lamp 1 executed, as well as the central disc 23 enclosing cover frame 20th

Wie zu erkennen ist, greift ein mit dem Leuchtelement 22 verbundener Haltestift 10 arretierend in das Öffnungs-Nerriegelungssystem 9 ein, wodurch gewährleistet ist, dass das Leuchtelement 22 dauerhaft gegen die Schaltapparat-Betätigung 7 presst, um das LED-Leuchtmittel derart im Ausschalt-Zustand zu halten. Ein kurzer Druck auf das Leuchtelement 22 genügt, um das Öffiungs-Nerriegelungssystem 9 zu entriegeln. Das Leuchtelement 22 wird durch die Federkraft der Schaltapparat-Betätigung 7 und gegebenenfalls zusätzlich oder alternativ durch Federkraft des Öffnungs-Nerriegelungssystems 9 in die ausgeschwenkte Position gedrückt, in welcher das LED-Leuchtmittel eingeschaltet ist.As can be seen, engages a connected to the light emitting element 22 retaining pin 10 arresting in the opening Nerriegelungssystem 9, thereby ensuring that the light-emitting element 22 is permanently pressed against the switch operation 7 to the LED bulb so in the off state to keep. A short pressure on the light-emitting element 22 is sufficient to unlock the Öffer Nerriegelungssystem 9. The luminous element 22 is pressed by the spring force of the switch operation 7 and optionally additionally or alternatively by spring force of the opening Nerriegelungssystems 9 in the pivoted position in which the LED light is on.

In Fig. 4 ist eine perspektivische Sicht auf eine Unterputz-LED-Leuchte zweiter Ausführungsform in Form einer "Explosionszeichnung" dargestellt. Es sind der Gerätesockel 5 mit Tragring 6, Schaltapparat-Betätigung 7 und Öffnungs-Nerriegelungssystem 9, der Abdeckrahmen 20 und die Zentralscheibe 23 mit dem Leuchtelement 22 zu erkennen, wobei die Zentralscheibe 23 mit Führungs-/Halteelementen 18 zur Verankerung in korrespondierenden Ausnehmungen im Tragring 6 der Unterputz-LED-Leuchte 2 versehen ist.In Fig. 4 is a perspective view of a flush-mounted LED light second embodiment in the form of an "exploded view" shown. There are the device base 5 with support ring 6, switch operation 7 and opening Nerriegelungssystem 9, the cover 20 and the central plate 23 with the light-emitting element 22, wherein the central disc 23 is provided with guide / holding elements 18 for anchoring in corresponding recesses in the support ring 6 of the flush-mounted LED light 2.

Fig. 5 ist ein seitlicher Schnitt durch eine Unterputz-LED-Leuchte zweiter Ausführungsform bei geschwenktem Leucht-Element dargestellt. Der Haltestift 10 ist nicht in Eingriff mit dem Öffnungs-Nerriegelungssystem 9. Es ist zu erkennen, dass durch Vorgabe / Einstellung des Schwenkwinkels zwischen Leuchtelement 22 und Zentralscheibe 23 das vom LED-Leuchtmittel 15 erzeugte Licht in gewünschter Weise ausgerichtet werden kann. Das Leuchtelement 22 und der im Gerätesockel 5 befindliche 230V-Schaltapparat 8 inklusive Schaltapparat-Betätigung 7 wirken derart zusammen, dass das LED-Leuchtmittel 15 bei ausgeschwenktem Leuchtelement 22 eingeschaltet und bei in die Zentralscheibe 23 eingeschwenktem Leuchtelement 22 (der Aus-Stellung respektive Neutralstellung) ausgeschaltet ist. Fig. 5 is a side section through a flush-mounted LED light second embodiment shown with pivoted light-emitting element. The retaining pin 10 is not in engagement with the opening Nerriegelungssystem 9. It can be seen that by default / adjustment of the pivot angle between the light emitting element 22 and central plate 23, the light generated by the LED light source 15 can be aligned in the desired manner. The light-emitting element 22 and the 230V switching device 8 located in the device base 5 including the switching device actuation 7 cooperate in such a way that the LED illuminant 15 is switched on when the light element 22 is swung out and with the light element 22 pivoted into the central plate 23 (the off position or neutral position). is off.

In Fig. 6 ist ein seitlicher Schnitt durch eine Unterputz-LED-Leuchte dritter Ausführungsform dargestellt. Das Besondere dieser dritten Ausführungsform der Unterputz-LED-Leuchte 3 besteht darin, dass das hier zum Einsatz kommende Leuchtelement 24 neben einem LED-Leuchtmittel 26 mit einem zur Wärmeabfuhr dienenden Kühlkörper 27 einen relativ großvolumig ausgebildeten lichtdurchlässigen Abschnitt 25 aufweist, welcher sowohl einen seitlichen als auch einen fronseitigen Lichtauslass ermöglicht. Der lichtdurchlässige Abschnitt 25 ist vorzugsweise in Form eines "Acrylquaders" ausgebildet. Der im Gerätesockel 5 befindliche 230V-Schaltapparat 8 ist vorzugsweise als Parallelhub-Taster ausgebildet, so dass das Einschalten / Ausschalten des LED-Leuchtmittels 26 im Zusammenwirken mit der Schaltapparat-Betätigung 7 und dem Öffnungs-/Verriegelungssystem 9 durch kurzen Druck auf das Leuchtelement 24 und dabei senkrechter Bewegung des Leuchtelements 24 zum Gerätesockel 5 hin erfolgen kann. Diese Variante bietet zudem die Mögüchkeit, den Acrylquader in Form eines austauschbaren "Designelements" auszubilden und in unterschiedlichen Farbvarianten bereitzustellen. Der lichtdurchlässige Abschnitt 25 wird von einem Abdeckrahmen 20 umschlossen.In Fig. 6 is a side section through a flush-mounted LED light third embodiment shown. The special feature of this third embodiment of the flush-mounted LED lamp 3 is that the light element used here 24 next to an LED bulb 26 having a heat sink serving for heat sink 27 has a relatively large volume formed translucent portion 25 which both a lateral than also allows a fronseitigen light outlet. The translucent portion 25 is preferably in the form of an "acrylic cuboid". The 230V switching device 8 located in the device base 5 is preferably designed as a parallel stroke button, so that the switching on / off of the LED bulb 26 in cooperation with the switch operation 7 and the opening / locking system 9 by briefly pressing the light emitting element 24th and thereby vertical movement of the light-emitting element 24 to the device base 5 can take place. This variant also offers the possibility of forming the acrylic cuboid in the form of an exchangeable "design element" and to provide it in different color variants. The translucent portion 25 is enclosed by a cover frame 20.

Selbstverständlich ist es in Abwandlung der Erläuterungen zu Figur 6 auch möglich, eine Unterputz-LED-Leuchte unter Verwendung des Gerätesockels 5 zur Verfügung zu stellen, bei welcher die Schaltfunktion nicht realisiert ist und bei welcher die Unterputz-LED-Leuchte mit separatem Schalter geschaltet wird, d. h. die schaltbare und die nicht schaltbare Ausführungsform basieren auf dem gleichen Gerätessockel 5.Of course, it is in modification of the explanations too FIG. 6 also possible, a flush-mounted LED light using the device base 5 available in which the switching function is not realized and in which the flush-mounted LED light is switched with a separate switch, ie the switchable and the non-switchable embodiment are based on the same device base. 5

In Fig. 7 ist eine perspektivische Sicht auf eine Unterputz-LED-Leuchte dritter Ausführungsform in Form einer "Explosionszeichnung" dargestellt. Es sind die drei Haupt-Baukomponenten

  • Gerätesockel 5 mit Tragring 6, Schaltapparat-Betätigung 7, Öffnungs-Nerriegelungssystem 9,
  • Abdeckrahmen 20 und
  • Leuchtelement 24 mit Führungs-/Halteelementen 28 zum Eingriff in korrespondierende Ausnehmungen im Tragring 6
der Unterputz-LED-Leuchte 3 zu erkennen. Die Führungs-/Halteelemente 28 erlauben einerseits die erforderliche Bewegung senkrecht zur vom Tragring 6 aufgespannten Ebene und begrenzen andererseits diese Bewegung.In Fig. 7 is a perspective view of a flush-mounted LED lamp third embodiment in the form of an "exploded view" shown. These are the three main building components
  • Device base 5 with support ring 6, switch operation 7, opening / locking system 9,
  • Cover frame 20 and
  • Luminous element 24 with guide / holding elements 28 for engagement in corresponding recesses in the support ring. 6
to recognize the flush-mounted LED light 3. On the one hand, the guide / holding elements 28 allow the required movement perpendicular to the plane spanned by the support ring 6 and, on the other hand, limit this movement.

Alternativ kann bei den vorstehenden Ausführungsbeispielen an Stelle der beiden Baukomponenten "230V-Schaltapparat 8 + Öffnungs-/Verriegelungssystem 9" auch ein 230V-Schaltapparat zum Einsatz gelangen, bei welchem ein solches Öffnungs-Nerriegelungssystem bereits integriert ist, so dass bei einer solchen Ausführungsform ein separates Öffnungs-/Verriegelungssystem 9 entbehrlich ist.Alternatively, in the above embodiments, instead of the two components "230V switch 8 + opening / locking system 9" and a 230V switching apparatus are used, in which such an opening Nerriegelungssystem is already integrated, so that in such an embodiment separate opening / locking system 9 is unnecessary.

Wie bereits aus den vorstehenden Ausführungen ersichtlich ist, können bei allen unterschiedlichen Ausführungsformen der Unterputz-LED-Leuchte 1, 2, 3 stets ein und derselbe Gerätesockel 5 und derselbe Abdeckrahmen 20 verwendet werden, während die unterschiedliche Ausprägung der gewünschten Beleuchtung selbst durch Auswahl eines bestimmten der zur Verfügung stehenden Leuchtelemente in vielfältiger Art und Weise und im Sinne eines Baukastensystems, bestehend aus einem Gerätesockel 5 und drei unterschiedlichen Varianten von Leuchtelementen 11, 22, 24 realisiert wird:

  • Leuchtelement 11 in Form einer Schaltwippe mit seitlichem Lichtauslass,
  • Leuchtelement 22 in Form eines klappbaren Deckels mit vorwiegend seitlichem Lichtauslass,
  • Leuchtelement 24 in Form eines "Acrylquaders" (Polymethylmethacrylat) mit sowohl seitlichem als auch frontseitigem Lichtauslass.
As can already be seen from the above explanations, in all the different embodiments of the flush-mounted LED light 1, 2, 3, one and the same device base 5 and the same cover frame 20 can always be used, while the different characteristics of the desired illumination itself can be selected by selecting a specific one the available lighting elements in a variety of ways and in the sense of a modular system consisting of a device base 5 and three different variants of lighting elements 11, 22, 24 is realized:
  • Luminous element 11 in the form of a rocker switch with lateral light outlet,
  • Luminous element 22 in the form of a hinged lid with a predominantly lateral light outlet,
  • Luminous element 24 in the form of an "acrylic cuboid" (polymethylmethacrylate) with both lateral and frontal light outlet.

In Abhängigkeit des konkret vorliegenden Einsatzfalles - beispielsweise Fußbodenbeleuchtung mit gerichtetem Lichtaustritt oder Allgemeinbeleuchtung mit nach mehreren Richtungen gewünschtem Lichtaustritt - wird eines der unterschiedlichen Leuchtelemente 11, 22, 24 verwendet. Die Stromversorgung des im Leuchtelement 11, 22, 24 befindlichen LED-Leuchtmittels erfolgt durch ein Kontaktierungssystem oder ein Leitungssystem zwischen LED-Leuchtmittel und Gerätesockel 5.Depending on the specific application case present - for example, floor lighting with directed light emission or general lighting with desired light output after several directions - one of the different lighting elements 11, 22, 24 is used. The power supply of the LED illuminant located in the luminous element 11, 22, 24 takes place by means of a contacting system or a line system between the LED illuminant and the device base 5.

Selbstverständlich können der Abdeckrahmen 20 und gegebenenfalls die Zentralscheibe aus einer Vielzahl unterschiedlicher Steckdosen/Schalter-Programme ausgewählt werden.Of course, the cover frame 20 and optionally the central disc can be selected from a variety of different sockets / switch programs.

In Fig. 8 ist abschließend eine Prinzipskizze zur elektrischen Verschaltung der Unterputz-LED-Leuchte dargestellt. Es ist der Gerätesockel 5 mit seinen Baukomponenten Anschlusseinheit 30, 230V-Schaltapparat 8 und Konverter 31 gezeigt. An die Anschlusseinheit 30 ist einerseits die 230V-Netzleitung 29, andererseits der 230V-Schaltapparat 8 angeschlossen. Eine Schaltung des 230V-Schaltapparats 8 wird durch Druck auf die Schaltapparat-Betätigung 7 mittels des Leuchtelements 11 oder 22 oder 24 bewirkt. Bei eingeschaltetem 230V-Schaltapparat 8 wird der Primäranschluss des Konverters 31 mit 230V-Wechselspannung beaufschlagt, worauf der Konverter 31 sekundärseitig das LED-Leuchtmittel 15 oder 26 speist.In Fig. 8 Finally, a schematic diagram for the electrical connection of the flush-mounted LED light is shown. It is the device base 5 shown with its components connecting unit 30, 230V switching device 8 and converter 31. To the terminal unit 30 on the one hand, the 230V power line 29, on the other hand, the 230V switching device 8 is connected. A circuit of the 230V switching apparatus 8 is effected by pressure on the switch operation 7 by means of the luminous element 11 or 22 or 24. When the 230V switching apparatus 8 is switched on, the primary connection of the converter 31 is supplied with 230V alternating voltage, whereupon the converter 31 supplies the LED illuminator 15 or 26 on the secondary side.

BezugszeichenlisteLIST OF REFERENCE NUMBERS

11
Unterputz-LED-Leuchte, erste AusführungsformFlush-mounted LED light, first embodiment
22
Unterputz-LED-Leuchte, zweite AusführungsformFlush-mounted LED light, second embodiment
33
Unterputz-LED-Leuchte, dritte AusführungsformFlush-mounted LED light, third embodiment
44
--
55
Gerätesockel inklusive Konverter (Netzteil, LED-Treiber), Steuer-/Regeleinrichtung, Anschlusseinheit für 230V-Netzleitungen und 230V-SchaltapparatDevice base including converter (power supply, LED driver), control / regulation device, connection unit for 230V power supply and 230V switching device
66
Tragringsupport ring
77
Schaltapparat-BetätigungSwitching apparatus operation
88th
230V-Schaltapparat, wie Ein/Aus-Schalter oder Parallelhub-Taster230V switching device, such as on / off switch or parallel stroke button
99
Offnungs-/Verriegeiungssystem, Push-Push-MechanikOpen / Verriegeiungssystem, push-push mechanism
1010
Haltestiftretaining pin
1111
Leuchtelement (in Form einer Wippe oder Tasters)Light element (in the form of a rocker or push button)
1212
seitlicher Lichtauslasslateral light outlet
1313
Stößeltappet
1414
LED-Baugruppe, auf einer Leiterplatte aufgebautLED assembly, mounted on a printed circuit board
1515
LED-LeuchtmittelLED bulbs
1616
optische Linseoptical lens
1717
Kühlkörperheatsink
1818
Führungs-/HalteelementeGuide / support members
1919
--
2020
AbdeckrahmenCover
2121
--
2222
Leuchtelement (in Form einer klappbaren Deckels)Light element (in the form of a hinged lid)
2323
ZentralscheibeCover plate
2424
Leuchtelement (mit seitlichem und frontseitigem Lichtauslass)Light element (with side and front light outlet)
2525
lichtdurchlässiger Abschnitt ("Acrylquader")translucent section ("acrylic cuboid")
2626
LED-LeuchtmittelLED bulbs
2727
Kühlkörperheatsink
2828
Führungs-/HalteelementeGuide / support members
2929
230V-Netzleitung230V power line
3030
Anschlusseinheitconnection unit
3131
Konverterconverter

Claims (6)

  1. Flush-mounted LED luminaire (1, 2, 3) for electrical and mechanical connection in a commercially available flush-mounted device box,
    - comprising a central plate (23) and a covering frame (20),
    - comprising a device base (5) having a converter with power supply unit, LED driver and control/regulating device therefor for supplying an LED illuminant (15, 26) including connection unit for 230 V mains lines and also a 230 V switching apparatus (8) including switching apparatus actuation arrangement (7), and
    - comprising a central luminous element (22), wherein the LED illuminant (15, 26) is integrated in the luminous element (22),
    - wherein the open-circuit- and short-circuit-proof converter delivers on its secondary side a constant DC current for feeding the LED illuminant, and
    - the luminous element (22) is mounted pivotably within the central plate (23) for the alignment of the light outlet.
  2. Flush-mounted LED luminaire (1, 2, 3) according to Claim 1, characterized in that the luminous element (22) is simultaneously an actuation element for the 230 V switching apparatus and, by means of pressure on the luminous element (22), the 230 V switching apparatus (8) can be acted on in such a way that the LED illuminant (15, 26) is switched on/switched off.
  3. Flush-mounted LED luminaire (1, 2, 3) according to Claim 1 or 2, characterized in that the 230 V switching apparatus (8) is embodied as an on/off switch.
  4. Flush-mounted LED luminaire (1, 2, 3) according to Claim 1 or 2, characterized in that the 230 V switching apparatus (8) is embodied as a parallel stroke pushbutton.
  5. Flush-mounted LED luminaire (1, 2, 3) according to any of the preceding claims, characterized in that the LED illuminant (15, 26) is in contact thermally with a heat sink (17, 27) integrated in the luminous element (22).
  6. Flush-mounted LED luminaire (1, 2, 3) according to any of the preceding claims, characterized in that the device base (5) has an opening/locking system (9) for supporting the function performed by the 230 V switching apparatus (8).
EP10014728.9A 2010-01-23 2010-11-18 Built-in LED Not-in-force EP2348249B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102010005506A DE102010005506B3 (en) 2010-01-23 2010-01-23 Flush-mounted LED light for installation into commercial flush-mounted device box, has central light element and connection unit that is provided for power line and switching apparatus, and LED-illuminant integrated in light element

Publications (2)

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EP2348249A1 EP2348249A1 (en) 2011-07-27
EP2348249B1 true EP2348249B1 (en) 2017-07-26

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DE202017107161U1 (en) * 2017-11-27 2019-02-28 Rzb Rudolf Zimmermann, Bamberg Gmbh Cover or frame of an electrical installation housing, in particular a branch or junction box, and electrical installation housing, in particular branch or junction box
CN109915772B (en) * 2019-04-02 2022-02-18 嘉兴市品鼎电器有限公司 Integrated furred ceiling with illumination function
IT202200009998A1 (en) * 2022-05-13 2023-11-13 Vimar Spa ELECTRICAL SWITCH
CN114709100B (en) * 2022-04-01 2024-03-22 温州广泰电器有限公司 Wall switch

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EP1477726A2 (en) * 2003-05-16 2004-11-17 Ludwig Leuchten KG Recessed luminaire with LED
WO2006126975A1 (en) * 2005-05-24 2006-11-30 Viko Elektrik Ve Elektronik Endustrisi Sanayi Ve Ticaret Anonim Sirketi Switch illumination system provided by the use of led

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CN102192452A (en) 2011-09-21
CN102192452B (en) 2015-06-17
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EP2348249A1 (en) 2011-07-27

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