EP3521696B1 - Verbindungsvorrichtung für beleuchtungsvorrichtungen, entsprechendes beleuchtungssystem und verfahren - Google Patents

Verbindungsvorrichtung für beleuchtungsvorrichtungen, entsprechendes beleuchtungssystem und verfahren Download PDF

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Publication number
EP3521696B1
EP3521696B1 EP19151663.2A EP19151663A EP3521696B1 EP 3521696 B1 EP3521696 B1 EP 3521696B1 EP 19151663 A EP19151663 A EP 19151663A EP 3521696 B1 EP3521696 B1 EP 3521696B1
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EP
European Patent Office
Prior art keywords
circuit board
printed circuit
top element
pair
lighting device
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Active
Application number
EP19151663.2A
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English (en)
French (fr)
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EP3521696A1 (de
Inventor
Alberto ZANOTTO
Simon BOBBO
Luca Volpato
Matteo CALDON
Valerio MICHIELAN
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Osram GmbH
Osram SpA
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Osram GmbH
Osram SpA
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Publication of EP3521696A1 publication Critical patent/EP3521696A1/de
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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
    • F21V21/00—Supporting, suspending, or attaching arrangements for lighting devices; Hand grips
    • F21V21/002—Supporting, suspending, or attaching arrangements for lighting devices; Hand grips making direct electrical contact, e.g. by piercing
    • 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
    • F21V21/34—Supporting elements displaceable along a guiding element
    • F21V21/35—Supporting elements displaceable along a guiding element with direct electrical contact between the supporting element and electric conductors running along the guiding element
    • 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
    • F21Y2101/00—Point-like light sources
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
    • F21Y2115/00—Light-generating elements of semiconductor light sources
    • F21Y2115/10—Light-emitting diodes [LED]

Definitions

  • the present description refers to lighting devices.
  • One or more embodiments can be applied to connecting devices for connecting lighting devices using electrically-powered lighting sources, for example, solid-state lighting sources such as LED sources.
  • electrically-powered lighting sources for example, solid-state lighting sources such as LED sources.
  • Document CA 2 592 671 A1 discloses a light bulb conductive device, including a light bulb and a bulb holder.
  • the light bulb further includes a pair of conductive needles made of hard material with a sharp tip to penetrate the plastic shell of the conductive wire to contact with the conductive metal wire to form electrical connection.
  • Document US 2009/130889 A1 , FR 2 958 008 A1 , US 2015/170480 A1 , US 2010/271834 A1 , DE 20 2016 105990 U1 and US 3 139 315 A disclose other solutions of lighting devices with relative connecting devices.
  • the electrical connection is guaranteed by two or more electrical connection cables.
  • the wiring of the modules presents some problems, such as, for example:
  • One or more embodiments aim to overcome the drawbacks outlined above.
  • this object can be achieved thanks to a combination of a lighting device and a connecting device having the characteristics referred to in the following claims.
  • One or more embodiments may also refer to a corresponding lighting system and method.
  • a connecting device is illustrated for connecting lighting devices using electrically-powered lighting sources S.
  • the lighting device can be made in the form of an LED lighting module using solid-state light radiation sources, such as LED sources.
  • Modules of this nature can comprise (see, for example, Figures 1, 4 and 5 ) a support substantially similar to a Printed Circuit Board - PCB - on which a plurality of electrically-powered light radiation sources S are distributed, for example, LED sources.
  • the printed circuit board P may have a first side P1, a second side P2 opposite the first side P1, and a side surface which joins the first side P1 and the second side P2.
  • the lighting sources S are arranged at the first side P1 of the printed circuit board P ( Figures 4 and 5 ).
  • the power supply (and, possibly, the control) of the modules can be implemented by means of electrical power lines, here exemplified in the form of two cables E, E' ( Figure 9 ).
  • a lighting module of the type indicated above can be made with any shape and dimensions, for example, with a circular shape ( Figure 1 ).
  • Lighting devices of the type considered above are known in the art, which makes it unnecessary to provide a more detailed description here.
  • One or more embodiments can, therefore, provide a connecting device for connecting lighting devices using electrically-powered lighting sources.
  • the connecting device may comprise at least one pair of electrical connectors 1, arranged for implementing the electrical connection (power supply and, possibly, control) of the light radiation sources - for example those indicated with S in Figure 5 - by means of electric cables E, E' (one for the positive pole and the other for the negative pole).
  • the connecting device comprises a single pair of electrical connectors 1.
  • the pair of electrical connectors 1 can be assembled on the second side P2 of the printed circuit board P ( Figures 1, 4 and 5 ).
  • each electrical connector 1 may comprise at least one portion which can be assembled, (for example by welding), above the second side P2 of the printed circuit board P, particularly at a corresponding welding path arranged on the side P2 of the printed circuit board P.
  • each electrical connector 1 has at least one connecting portion defining a receptacle 2 arranged to receive an electrically-powered cable E, E' ( Figure 3 ), in order to provide an electrical connection of the lighting devices using electrically-powered light sources ( Figure 9 ).
  • the inner walls of the receptacles 2 are arranged to affect an insulating layer of the respective electrically-powered cable E, E' and to come into contact with a conductive part of the electrically-powered cable E, E'.
  • the electrical connectors 1 are arranged, in their assembled condition on the second side P2 of the printed circuit board P, with the receptacles 2 substantially facing each other and facing in a direction substantially parallel to the plane of the printed circuit board P (see plan view of Figure 1 and side view of Figure 5 ).
  • the connecting device may further comprise at least one pair of fastening elements 3 ( Figure 2 ) which can be assembled on the second side P2 of the printed circuit board P ( Figures 1, 4, 5 ).
  • the connecting device comprises a single pair of fastening elements 3.
  • the connecting device may further comprise a top element 7 which can be coupled with the lighting device ( Figures 6 and 10 ).
  • the top element 7 has a first face 8 and a second face 9 opposite the first face 8.
  • the first face 8 of the top element 7 faces the second side P2 of the printed circuit board P ( Figures 10 and 11 ).
  • the top element 7 has a circular shape in order to couple with the lighting device, also having a circular shape, but of course they can be made with a different shape with respect to what is illustrated.
  • the top element 7 comprises at least two openings 11 arranged to receive, respectively, one of the fastening elements 3 assembled on the second P2 side of the printed circuit board P ( Figure 6 ).
  • the top element 7 comprises at least two hollow portions 12 each arranged near a respective opening 11 ( Figure 6 ).
  • the hollow portions 12 are arranged to receive a respective end portion 6 of the fastening elements 3, in order to ensure a mechanical connection between the top element 7 and the fastening elements 3 assembled on the second side P2 of the printed circuit board P.
  • the top element 7 further comprises at least two protruding elements 10 rigidly connected to the first face 8 ( Figures 7 and 8 ).
  • the function of the protruding elements 10 is explained in detail in the following description.
  • the fastening elements 3 may be hook-shaped, comprising a base portion 4 which can be assembled on the second side P2 of the printed circuit board P, an intermediate portion 5 designed to protrude from a respective opening 11 of the top element 7 when the top element 7 is coupled with the lighting device, and an end portion 6 arranged to engage in one of the hollow portions 12 of the top element 7 ( Figures 2 and 12 ).
  • the two fastening elements 3 are arranged on the second side P2 of the printed circuit board P at two peripheral positions diametrically opposite and aligned along a first direction ( Figure 1 ).
  • the two electrical connectors are arranged on the second side P2 of the printed circuit board P at two peripheral positions diametrically opposite and aligned along a second direction ( Figure 1 ).
  • the aforesaid first and second directions form an angle of less than 90° between each other ( Figure 1 ).
  • the two fastening elements 3, in their assembled condition, on the second side P2 of the printed circuit board P have their intermediate portions 5 extending in two opposite directions ( Figure 4 ).
  • the top element 7 comprises at least two protruding elements 10 rigidly connected to the first face 8 ( Figures 7 and 8 ).
  • the protruding elements 10 protrude in the direction of the printed circuit board P, and are configured to push, respectively, one of the electrically-powered cables E, E' into the respective receptacle 2 of the connecting portion of the connector 1 ( Figure 13 ).
  • the top element 7 has a screwdriver insert 13 at the second face 9, arranged to be engaged by a screwdriver, so as to rotate the top element 7 with respect to the printed circuit board P ( Figure 10 ).
  • the end portions 6 of the fastening elements 3 when assembled on the printed circuit board P and passed through the openings 11, respectively engage one of the hollow portions 12 of the top element 7, so as to attach the top element 7 to the fastening elements 3 ( Figures 12 and 13 ).
  • the protruding elements 10 of the top element 7 push, respectively, one of the electrically-powered cables E, E' into the respective receptacle 2 of the connecting portion of the connector 1 ( Figures 11 , 12 and 13 ).
  • One or more embodiments may concern a connecting device for connecting lighting devices using electrically-powered lighting sources (e.g. S), the lighting devices comprising a printed circuit board (e.g. P) having a first side (e.g. P1) on which said lighting sources (e.g. S) are located, and a second side (e.g. P2) opposite to said first side (P1), said connecting device comprising:
  • said top element also comprises at least two hollow portions (e.g. 12), each located close to one respective opening (e.g. 11) of said top element (e.g. 7), said hollow portions (e.g. 12) being provided for receiving a respective portion of one of said fastening elements (e.g. 3), in order to guarantee mechanical connection between said top element (e.g. 7) and said pair of fastening elements (e.g. 3) assembled on the second side (e.g. P2) of said printed circuit board (e.g. P).
  • hollow portions e.g. 12
  • said top element has a first face (e.g. 8) and a second face (e.g. 9) opposite to said first face (e.g. 8), in the coupled condition of said top element (e.g. 7), with said lighting device, said first face (e.g. 8) of the top element (e.g. 7) and said second side (e.g. P2) of the printed circuit board (e.g. P) facing each other, said top element (e.g. 7) further comprising at least two protruding elements (10) rigidly connected to said first face (e.g. 8), in such a way that, in the coupled condition of said top element (e.g.
  • said protruding elements protrude towards the printed circuit board (e.g. P) and are configured for pushing, respectively, one of the electrically-powered cable (e.g. E, E') into one receptacle (e.g. 2) of the connector (e.g. 1).
  • the two fastening elements (e.g. 3) of said at least one pair are located, in their assembled condition, on said second side (e.g. P2) of said printed circuit board (e.g. P), at two diametrically opposite peripheral positions and aligned along a first direction,
  • each fastening element is hook-shaped and comprises a base portion (e.g. 4) which can be assembled on said second side (e.g. P2) of said printed circuit board (e.g. P), an intermediate portion (e.g. 5) configured to project from one of the openings (e.g. 11) of the top element (e.g. 7) when the top element (e.g. 7) is coupled with the lighting device, and an end portion (e.g. 6) provided to engage one of said hollow portions (e.g. 12) of the top element (e.g. 7).
  • the two fastening elements (e.g. 3) of said at least one pair are located, in their assembled condition, on said second side (e.g. P2) of said printed circuit board (e.g. P), with their intermediate portions (e.g. 5) extending towards two opposite directions.
  • said top element comprises a screwdriver insert (e.g. 13) at its second face (e.g. 9), provided for being engaged by a screwdriver, in order to cause rotation of the top element (e.g. 7) with respect to the printed circuit board (e.g. P) and to engage the end portions (e.g. 6) of the fastening elements (e.g. 3) assembled on the printed circuit board (e.g. P) and passed through the openings (e.g. 11) with one of the hollow portions (e.g. 12) of the top element (e.g. 7), in order to attach the top element (e.g. 7) to the fastening elements (e.g. 3).
  • a screwdriver insert e.g. 13
  • second face e.g. 9
  • One or more embodiments may concern a lighting system, comprising:

Claims (9)

  1. Kombination aus einer Beleuchtungsvorrichtung und einer Verbindungsvorrichtung, um die Beleuchtungsvorrichtung unter Verwendung von elektrisch gespeisten Lichtquellen (S) zu verbinden, wobei die Beleuchtungsvorrichtung eine Leiterplatte (P) umfasst, die eine erste Seite (P1), auf der die Lichtquellen (S) positioniert sind, und eine der ersten Seite (P1) gegenüberliegende zweite Seite (P2) aufweist, wobei die Verbindungsvorrichtung umfasst:
    - mindestens ein Paar elektrischer Verbinder (1), die auf der zweiten Seite (P2) der Leiterplatte (P) montiert sind, wobei jeder elektrische Verbinder (1) mindestens einen Verbindungsabschnitt aufweist, der eine Buchse (2) definiert, die zum Aufnehmen eines elektrisch gespeisten Kabels (E, E') bereitgestellt ist, wobei die elektrischen Verbinder (1) des mindestens einen Paares so angeordnet sind, dass die Buchsen (2) im Wesentlichen einander zugewandt sind und in eine Richtung im Wesentlichen parallel zur Ebene der Leiterplatte (P) gewendet sind,
    - mindestens ein Paar von Befestigungselementen (3), das auf der zweiten Seite (P2) der Leiterplatte (P) montiert ist,
    - ein oberes Element (7), das mit der Beleuchtungsvorrichtung gekoppelt werden kann, wobei das obere Element (7) mindestens zwei Öffnungen (11) umfasst, die dazu bereitgestellt sind, jeweils ein Befestigungselement (3) des Paares aufzunehmen, das auf der Leiterplatte (P) montiert ist.
  2. Kombination aus einer Beleuchtungsvorrichtung und einer Verbindungsvorrichtung nach Anspruch 1, wobei das obere Element (7) auch mindestens zwei hohle Abschnitte (12) umfasst, die jeweils nahe einer entsprechenden Öffnung (11) des oberen Elements (7) positioniert sind, wobei die hohlen Abschnitte (12) zur Aufnahme eines entsprechenden Abschnitts eines der Befestigungselemente (3) bereitgestellt sind, um eine mechanische Verbindung zwischen dem oberen Element (7) und dem Paar von Befestigungselementen (3), die auf der zweiten Seite (P2) der Leiterplatte (P) montiert sind, zu gewährleisten.
  3. Kombination aus einer Beleuchtungsvorrichtung und einer Verbindungsvorrichtung nach irgendeinem der vorhergehenden Ansprüche, wobei das obere Element (7) eine erste Fläche (8) und eine der ersten Fläche (8) im gekoppelten Zustand des oberen Elements (7) gegenüberliegende zweite Fläche (9) aufweist, wobei die Beleuchtungsvorrichtung, die erste Fläche (8) des oberen Elements (7) und die zweite Seite (P2) der Leiterplatte (P) einander zugewandt sind, wobei das obere Element (7) ferner mindestens zwei vorstehende Elemente (10) umfasst, die starr mit der ersten Fläche (8) verbunden sind, derart, dass in dem mit der Beleuchtungsvorrichtung gekoppelten Zustand des oberen Elements (7) und in dem auf der Leiterplatte (P) montierten Zustand des mindestens einen Paars von Verbindern (1) die vorstehenden Elemente (10) in Richtung der Leiterplatte (P) vorstehen und so konfiguriert sind, dass sie jeweils eines der elektrisch gespeisten Kabel (E, E') in eine Buchse (2) des Verbinders (1) schieben.
  4. Kombination aus einer Beleuchtungsvorrichtung und einer Verbindungsvorrichtung nach irgendeinem der vorhergehenden Ansprüche, wobei:
    - die zwei Befestigungselemente (3) des mindestens einen Paares auf der zweiten Seite (P2) der Leiterplatte (P) an zwei diametral gegenüberliegenden peripheren Positionen positioniert und entlang einer ersten Richtung ausgerichtet sind,
    - die beiden elektrischen Verbinder (1) des mindestens einen Paares auf der zweiten Seite (P2) der Leiterplatte (P) an zwei zusätzlichen diametral gegenüberliegenden peripheren Positionen positioniert und entlang einer zweiten Richtung ausgerichtet sind,
    - wobei die erste Richtung und die zweite Richtung einen Winkel von weniger als 90° bilden.
  5. Kombination aus einer Beleuchtungsvorrichtung und einer Verbindungsvorrichtung nach Anspruch 2, wobei jedes Befestigungselement (3) hakenförmig ist und einen Basisabschnitt (4), der an der zweiten Seite (P2) der Leiterplatte (P) montiert ist, einen Zwischenabschnitt (5), der konfiguriert ist, um aus einer der Öffnungen (11) des oberen Elements (7) hervorzustehen, wenn das obere Element (7) mit der Beleuchtungsvorrichtung gekoppelt ist, und einen Endabschnitt (6), der bereitgestellt ist, um in einen der hohlen Abschnitte (12) des oberen Elements (7) einzugreifen, umfasst.
  6. Kombination aus einer Beleuchtungsvorrichtung und einer Verbindungsvorrichtung nach Anspruch 5, wobei die beiden Befestigungselemente (3) des mindestens einen Paares auf der zweiten Seite (P2) der Leiterplatte (P) positioniert sind, wobei sich ihre Zwischenabschnitte (5) in zwei entgegengesetzte Richtungen erstrecken.
  7. Kombination aus einer Beleuchtungsvorrichtung und einer Verbindungsvorrichtung nach Anspruch 6, wobei das obere Element (7) an seiner zweiten Fläche (9) einen Schraubendrehereinsatz (13) umfasst, der für das Eingreifen durch einen Schraubendreher bereitgestellt ist, um eine Drehung des oberen Elements (7) in Bezug auf die Leiterplatte (P) zu bewirken und die Endabschnitte (6) der Befestigungselemente (3), die auf der Leiterplatte (P) montiert sind und durch die Öffnungen (11) geführt werden, mit einem der hohlen Abschnitte (12) des oberen Elements (7) in Eingriff zu bringen, um das obere Element (7) an den Befestigungselementen (3) anzubringen.
  8. Beleuchtungssystem umfassend eine Vielzahl von Kombinationen aus einer Beleuchtungsvorrichtung und einer Verbindungsvorrichtung nach irgendeinem der vorhergehenden Ansprüche, die unter Verwendung von zwei elektrisch gespeisten Kabeln (E, E') verbunden sind, die entlang aller Beleuchtungsvorrichtungen verlaufen.
  9. Verfahren zum Bereitstellen einer Kombination aus einer Beleuchtungsvorrichtung und einer Verbindungsvorrichtung, die folgenden Schritte umfassend:
    - Bereitstellen von mindestens einer Beleuchtungsvorrichtung, die elektrisch gespeiste Lichtquellen (S) verwendet, wobei die mindestens eine Beleuchtungsvorrichtung eine Leiterplatte (P) umfasst, die eine erste Seite (P1), auf der die Lichtquellen (S) positioniert sind, und eine der ersten Seite (P1) gegenüber liegende zweite Seite (P2) aufweist,
    - Bereitstellen von mindestens einer Verbindungsvorrichtung, umfassend:
    - mindestens ein Paar elektrischer Verbinder (1), die auf der zweiten Seite (P2) der Leiterplatte (P) montiert sind, wobei jeder elektrische Verbinder (1) mindestens einen Verbindungsabschnitt aufweist, der eine Buchse (2) definiert, die zum Aufnehmen eines elektrisch gespeisten Kabels (E, E') bereitgestellt ist, wobei die elektrischen Verbinder (1) des mindestens einen Paares so angeordnet sind, dass die Buchsen (2) im Wesentlichen einander zugewandt sind und in eine Richtung im Wesentlichen parallel zur Ebene der Leiterplatte (P) gewendet sind,
    - mindestens ein Paar von Befestigungselementen (3), das auf der zweiten Seite (P2) der Leiterplatte (P) montiert ist,
    - ein oberes Element (7), das mit der Beleuchtungsvorrichtung gekoppelt werden kann, wobei das obere Element (7) mindestens zwei Öffnungen (11) umfasst, die dazu bereitgestellt sind, jeweils ein Befestigungselement (3) des Paares aufzunehmen, das auf der Leiterplatte (P) montiert ist,
    - Montieren des mindesten einen Paares von elektrischen Verbindern (1) und des mindestens einen Paares von Befestigungselementen (3) auf der zweiten Seite (P2) der Leiterplatte (P),
    - Anordnen mindestens eines elektrisch gespeisten Kabels (E, E') innerhalb einer entsprechenden Buchse (2) des Verbinders (1),
    - Anordnen des oberen Elements (7) über der zweiten Seite (P2) der Leiterplatte (P), wobei jedes Befestigungselement in eine entsprechende Öffnung (11) des oberen Elements (7) geführt wird,
    - Drehen des oberen Elements (7) in Bezug auf die Leiterplatte (P), um jeden Endabschnitt (6) jedes Befestigungselements (3) innerhalb eines jeweiligen hohlen Abschnitts (12) des oberen Elements (7) in Eingriff zu bringen und um das elektrisch gespeiste Kabel (E, E') in die jeweilige Buchse (2) des Verbinders (1) mittels eines jeweiligen hervorstehenden Elements (10) zu schieben.
EP19151663.2A 2018-01-31 2019-01-14 Verbindungsvorrichtung für beleuchtungsvorrichtungen, entsprechendes beleuchtungssystem und verfahren Active EP3521696B1 (de)

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Publication number Priority date Publication date Assignee Title
US3139315A (en) * 1962-05-09 1964-06-30 S Luis Baldo Light socket
CA2592671A1 (en) * 2007-06-29 2008-12-29 Wen-Cheng Lai Light-bulb conductive device
US7611376B2 (en) * 2007-11-20 2009-11-03 Tyco Electronics Corporation LED socket
DE202010005878U1 (de) * 2009-04-23 2011-04-21 Müessli, Daniel Beleuchtungssystem
FR2958008B1 (fr) * 2010-03-26 2014-08-08 P B L B Dispositif lumineux a diode electroluminescente
US20150170480A1 (en) * 2013-12-12 2015-06-18 King's Metal Fiber Technologies Co., Ltd. Structure of light emitting clip button
DE202016105990U1 (de) * 2016-10-25 2018-01-26 Zumtobel Lighting Gmbh Stromschienensystem

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