DE202009010108U1 - Light for a shelf of a piece of furniture - Google Patents

Abstract

Luminaire, comprising:
A luminaire housing (12) in the form of a profile which forms a receptacle for one or more light emitting units (22),
- At least a first and a second current conductor (28) for supplying power to the one or more light emitting units (22), wherein the current conductors (28) are arranged parallel to each other and in the longitudinal direction of the lamp housing (12) extending on the receptacle, and
- One or more light emitting units (22) which are arranged in the receptacle and the current conductors (28) contact.

Description

The The invention relates to a luminaire, in particular a luminaire for arrangement on a front side of a shelf for a piece of furniture, as well as a kit for a lamp, a shelf with Such a lamp and a piece of furniture with such a shelf.

Out DE 20 2004 014 556 U1 a luminaire for an edge of a translucent plate is known, in which the power supply of the lamp, for example via spring-mounted, metallic contact pins, which emerge from opposite end faces of the lamp. Inside the luminaire bulbs in the form of halogen lamps are connected to the contact pins by means of insulated wires or strands. In another example, tongues are provided instead of the end-side contact pins on a rear wall of the luminaire, which tongues can be inserted into a conductive profile strip extending transversely to the luminaire and have contact elements for producing an electrical contact with the profile strip.

Out DE 103 11 492 B3 a light rail with light-emitting diodes is known in which the rail has an approximately square profile and a board is arranged obliquely in the rail. The board is equipped on both sides with LEDs, the light exits on two opposite sides of the rail.

task The invention is a luminaire for arrangement on an end face to create a shelf that is particularly easy to assemble is and if possible a simple vote of the delivered Amount of light on a length of the lamp allows. Another task is to keep stock as possible Pre-assembled components for such lights different Length to simplify.

• – ein Leuchtengehäuse in Form eines Profils, das eine Aufnahme für eine oder mehrere Lichtabgabeeinheiten bildet,
• – wenigstens einen ersten und einen zweiten Stromleiter zur Spannungsversorgung der einen oder mehreren Lichtabgabeeinheiten, wobei die Strom leiter parallel zueinander und in Längsrichtung des Leuchtengehäuses verlaufend an der Aufnahme angeordnet sind, und
• – eine oder mehrere Lichtabgabeeinheiten, die in der Aufnahme angeordnet sind und die Stromleiter kontaktieren.

One or more of these objects are achieved according to the invention by a luminaire, which comprises:

• A luminaire housing in the form of a profile which forms a receptacle for one or more light-emitting units,
• - At least a first and a second conductor for supplying power to the one or more light emitting units, wherein the current conductors are arranged parallel to each other and extending in the longitudinal direction of the lamp housing to the receptacle, and
• - One or more light emitting units, which are arranged in the receptacle and contact the conductors.

Of the Term "profile" is to be understood as a elongated member whose shape is determined by its length and its uniform cross-sectional shape is determined. Preferably is the uniform cross-sectional shape of the profile uninterrupted, that is, there are particularly preferably no holes or the like provided on the profile.

One Such profile is for example made of aluminum. Preferably is the profile for adjusting a length of the luminaire a desired amount of cut to length, d. H. shortened. For example, the profile is an extruded profile.

The For example, the profile has a substantially U-shaped Cross-section.

ever according to the length of the lamp, one or more Be provided light emitting units. This can be an adjustment the amount of light emitted to the length of the lamp done. The installation of the lamp is particularly simple in that a Contacting the light emitting units over the at Recording provided conductor takes place. On a soldering, Connecting or screwing individual supply lines to the respective light output units can therefore be waived. So can depending on the length the lamp, for example, one or more identical light emitting units easy be arranged in the receptacle, wherein the current conductor contacted become. For example, exactly two power conductors for be provided parallel supply of all light emitting units.

Preferably forms the profile in the case of multiple light emitting units a recording for all light-emitting units arranged in a row.

Preferably Each conductor extends at least along all light emitting units.

preferred Embodiments of the invention will become apparent from the dependent claims.

Preferably, on the outside of a cheek or side wall of the lamp housing, a harpoon web for attaching the lamp to a provided with a corresponding groove end face of a shelf. The harpoon web is formed in particular by the profile and extends substantially over the entire length of the profile. Such a harpoon bridge allows a particularly simple attachment of the lamp to a shelf. Because on the shelf only a corresponding milled groove is required, which may be present for example over the entire width of the shelf. In addition, an attachment of the lamp can be made at any length of the lamp housing, if the profile is cut to length to match the desired length, since no additional fastening means for fastening the light on the shelf are required.

The Luminaire housing is preferably made of metal, for example made of aluminium. A metallic luminaire housing has the Advantage of a great mechanical stability and can give the lamp a high-quality sight.

Preferably the receptacle has at least one latching projection, for example a lateral latching projection, for engaging appropriately shaped Light emitting units in the recording on. The locking of light emitting units allows a particularly simple installation and contacting of the conductors.

The Current conductors are preferably to adapt to a desired Length of the lamp can be cut to length, for example before attaching the conductors to the receptacle or, if they are attached attached to the recording, along with the profile. In one Pre-assembled state of the luminaire can be the power conductors for example, be cut to length separately.

The Electric conductors are preferably band-shaped. For example Conductors in the form of films, in particular metal foils, For example, be provided copper foils. Slides are especially good cut to length.

Preferably are opposite the current conductors attached to the receptacle the profile electrically isolated. In particular, the profile is preferably not intended for voltage control. This has the advantage that the profile ge without wood, such as a made of a wood material shelf, in contact can come.

Preferably the conductors have a respective one exposed in the receptacle, conductive surface. Preferably have the light emitting units contact elements and contact the Conductor with the voltage applied to the conductors contact elements. The current conductors can therefore, for example, simply by Pressing corresponding contact elements of Lichtabgebeeinheiten contacted become.

Preferably the current conductors are each glued to the luminaire housing, for example, by means of an electrically insulating, two-sided adhesive tape. This simplifies the assembly of the lamp housing and also allows easy cutting to length of the conductors.

Preferably The recording has contact surfaces for one or more light emitting units, and the power conductors are arranged on the contact surfaces. This way can work support the respective light-emitting unit on the contact surfaces, wherein at the same time the contacting of the conductor takes place. This is particularly advantageous if the light emitting units in the recording are latched.

Preferably the light emitting units are substantially flat and rectangular. This results in a compact design of the lamp, for example can be adapted to the height of a shelf.

Preferably the light emitting units are clipped or snapped into the receptacle. This simplifies the attachment.

Preferably each light emitting unit has at least one in the light emitting unit usable LED module on. Preferably, one is in the light emitting unit inserted LED module electrically with the contact elements of the light emitting unit connected. The light emitting units thus serve as a holder and for the electrical connection of the LED modules with the conductors. The LED modules can be, for example, with or act on several LEDs populated boards.

Preferably the lamp further has a translucent cover on, on an open longitudinal side of the luminaire housing is arranged. For example, the cover is in the luminaire housing clipped or latched. The cover is preferably cut to length. For example, the translucent cover is through formed a profile, such as a plastic profile, for example an extrusion profile.

Preferably the luminaire has luminaire end caps which are to be supplied with power the conductors are designed through the end caps. The End caps can, for example, spring-mounted, metallic Having contact pins, with the mounted on the lamp end caps from opposite, electrically insulating Exit end faces of the end caps. For example provided on each end cap a contact pin. For example, connects a respective end cap a contact pin with an associated Current conductor at the receptacle of the luminaire housing. The end cap For example, a metal strip for contacting the corresponding Conductor, wherein the metal strip on the end cap is electrically connected to the contact pin.

For example, the luminaire end caps can be attached to the luminaire housing. Pre-assembled luminaire end caps can thus be simply plugged into the luminaire housing to make the electrical connection with the conductors. Thus, for example, without further post-processing after the cutting of the housing profile plugging the end caps done.

• – ein Leuchtengehäuse in Form eines Profils, das eine Aufnahme für eine oder mehrere Lichtabgabeeinheiten bildet;
• – wenigstens einen ersten und einen zweiten Stromleiter zur Spannungsversorgung der einen oder mehreren Lichtabgabeeinheiten, wobei die Stromleiter parallel zueinander und in Längsrichtung des Leuchtengehäuses verlaufend an der Aufnahme anbringbar sind und optional bereits an der Aufnahme angebracht sind; und
• – eine oder mehrere Lichtabgabeeinheiten, die derart in die mit den Stromleitern versehene Aufnahme einsetzbar sind, daß sie die Stromleiter kontaktieren. Elemente des Bausatzes können einzeln oder in Gruppen vertrieben werden.

According to another aspect of the invention, there is provided a kit for a luminaire, the kit comprising:

• - A luminaire housing in the form of a profile which forms a receptacle for one or more light emitting units;
• - At least a first and a second conductor for supplying power to the one or more light emitting units, wherein the current conductors are parallel to each other and extending in the longitudinal direction of the lamp housing to the receptacle attached and optionally already attached to the receptacle; and
• - One or more light emitting units, which are used in such a way in the provided with the conductors recording that they contact the conductors. Elements of the kit can be sold individually or in groups.

Preferably is the profile to adapt to a desired length the lamp can be cut to length, and the conductors are for adaptation ablängbar to a desired length of the lamp. The number of light emitting units is also at a desired Length of the lamp adaptable. It just needs it a variety of light emitting units are kept in stock, which can be used for luminaires of various lengths is, for example, for lights for attachment to shelves with widths of 60, 90 or 120 cm. Here, for example, accordingly 2, 3 or 4 light emitting units may be provided.

According to one Another aspect of the invention is a shelf for a Furniture provided, with the shelf a luminaire of the type described, which at one end face of the shelf is attached. Thus, the furniture is not special Fasteners required for the luminaire.

For example the shelf has a longitudinal groove on the front side, and the luminaire housing has a harpoon bar, the on the outside of a cheek or side wall of the luminaire housing protrudes and with which the light on the front side of the shelf is attached by the harpoon web in said longitudinal groove intervenes.

According to one Another aspect of the invention is a piece of furniture with a Shelf of the type described provided. Preferably, the furniture has at least two conductive Elements on the ends of the luminaire facing walls, the provided on end caps of the lamp pins connected to the conductors. In the conductive Elements can be, for example, busbars, which are embedded for example in the walls of the furniture. For example, the conductive elements are opposite electrically insulated from the walls of the furniture. The conductive elements extend, for example, in FIG vertical direction over a height range of Furniture, so that the shelf with the attached Light at different heights in the furniture Anordnebar and on the conductive elements with Voltage is supplied.

For example the furniture has another, for feeding a supply voltage in the conductive elements provided shelf on which has left and right side contacts which are the conductive ones Contact elements.

One preferred embodiment of the invention will be in the following described in detail with reference to the drawing.

1 schematically shows a cross section of a shelf with a lamp with lamp housing, cover and light emitting units;

2 schematically shows a detailed view of a conductor of the lamp 1 ;

3 shows a view of a light emitting unit;

4 shows the lamp in a partially assembled state with two light emitting units;

5 shows a section through a piece of furniture with a shelf and attached light; and

6 shows a side view of the furniture with another shelf for feeding a supply voltage.

In the 1 schematically shown in cross section light 10 has a luminaire housing 12 in the form of an aluminum extruded profile having a substantially U-shaped cross section with an upper wall and two cheeks or sidewalls 14 . 16 has and is open to the bottom. On a back side wall 16 is at mid-height a harpoon walkway 18 formed at right angles from the side wall 16 projects.

The lamp 10 is by means of the harpoon bar 18 on a shelf 20 attached by one of the side wall 16 facing end face of the shelf 20 one to the contour of the harpoon bridge 18 adapted groove across the full width of the shelf 20 milled or sawn.

Inside the profile 12 is a receptacle for a plurality of light emitting units to be arranged in a row 22 formed, one of which in 3 is shown in a view from below. At the recording are contact surfaces 24 . 26 for the light emitting units 22 formed, with a rear abutment surface 24 on the side wall 14 is arranged and a front bearing surface 26 near the front side wall 16 is arranged. The contact surfaces 24 . 26 lie for example in a plane opposite to the horizontal or relative to the upper wall of the profile and opposite the shelf 20 is inclined. For example, the plane is approximately half the height of the rear side wall 14 to the upper edge of the front side wall 16 ,

On the contact surfaces 24 . 26 is in each case a band-shaped conductor 28 arranged in the form of a copper foil, which by means of a double-sided adhesive tape 30 ( 2 ) on the respective storage area 24 or 26 is attached. Through the tape 30 are the power conductors 28 opposite the profile 12 electrically isolated.

The opening of the profile 12 is through a cover 32 closed in the form of an extrusion profile of translucent plastic. The cover 32 is at its longitudinal edges with latching projections 34 at corresponding locking grooves of the profile 12 locked. To the cover 32 is for example a lens 38 for scattering of the light emitting units 22 formed light emitted.

3 schematically shows a light emitting unit 22 in detail. The light output unit 22 is substantially flat and rectangular and has at a rear longitudinal edge, for example, two locking elements in the form of locking projections 40 on. At its opposite edge, for example, it has a latching element in the form of a bracket 42 on. The light output unit 22 is in the picture in the profile 12 lockable by the latching projections 40 in a corresponding groove on the inside of the side wall 14 intervene and the hanger 42 against the inside of the side wall 16 press and, for example, with a central portion in a groove in the inside of the side wall 16 locks. The light output unit 22 is usable from below into the receptacle by the bracket 42 yielding resiliently.

In the locked position in the receptacle pressing contact elements 44 . 46 against the conductors 28 at the corresponding contact surfaces 24 . 26 , The contact elements 44 . 46 are for example by means of conductor tracks 48 , in the 3 dashed lines are shown schematically, with an LED module 50 connected. This is at the light output unit 22 is held and is set to light through an opening 52 at the bottom of the light output unit 22 radiate.

In the recording of the profile 12 For example, there are two or more light emitting units 22 arranged in a row.

4 shows an example of the lamp 10 in a preassembled state with two light output units latched in the receptacle 22 , the cover still to be attached 32 and two lamp end caps 54 . 56 , The end caps 54 . 56 For example, have tongues with which they in corresponding recesses of the profile 12 are pluggable. In 1 are dashed tongues 58 the left end cap 54 shown.

The with the conductors 28 provided profile 12 , the cover 32 , the light output unit 22 and the end caps 54 . 56 For example, as a pre-assembled kit for the lamp 10 to be expelled. It is particularly advantageous that the profile 12 and the conductors 28 depending on the desired length of the lamp 10 can be cut to any length and with a correspondingly adapted number of light emitting units 22 can be assembled in a simple way. In particular, the light emitting units 22 , the power conductors 28 and the cover 32 be mounted without tools. In particular, no solder or screw connections for the preparation of electrical connections are necessary, and it must be plugged or misplaced cables.

At the end caps 54 . 56 is in each case a metallic contact pin 60 spring-mounted, for example, emerges centrally from the end surface of the respective end cap. The contact pin 60 is on the inside of the end cap 54 respectively. 56 via a held on the respective end cap metal strip with plugged end cap with one of the conductors 28 connected. This can be done via the contact pins 60 and the conductors 28 a power supply of the parallel light emitting units 22 respectively.

5 shows a piece of furniture with the shelf 20 and the light 10 , wherein for simplification of the illustration, only side walls 62 of the furniture are shown in section. The shelf 20 and the light 10 are shown in a view from below. The shelf 20 is for example by means of pins 63 between the side walls 62 held and in turn carries the light 10 over the harpoon bridge engaging in the groove 18 ,

In the front area of the side walls 62 are vertical busbars 64 in the inside of the side walls 62 taken in and vice versa, for example, by means of a three-sided benden, in cross-section U-shaped plastic profile 66 opposite the side wall 62 isolated. The contact pins 60 Press resiliently against the busbars 64 , They are so independent of the height on which the shelf 20 in which furniture is mounted, the electrical connection to the busbars 64 over which the power supply of the lamp 10 he follows. For example, a low voltage of 12 volts is used. About the busbars 64 For example, you can have several lights 10 on respective shelves 20 be supplied.

Because the light 10 from the shelf 20 is held and can be positioned at any height, there is a particular variability and a particularly simple device of a piece of furniture with one or more lights according to the invention.

6 schematically shows the furniture with the shelf 20 and the light 10 in a side view without the viewer facing side wall. Above the shelf 20 is spaced from selbigem one for feeding the supply voltage into the busbars 64 furnished further shelf 20 ' arranged. In the example shown, the shelf has a light 100 on, the construction and the attachment to the shelf 20 ' essentially the lamp 10 equivalent. It is different from the lamp 10 but in that from the lamp 100 leads 102 led out in the lamp with the respective contact pins 60 ' are connected. About the supply lines 102 a power supply takes place both to the light 100 as well, by means of the contact pins 60 ' , to the busbars 64 and thus to the light 10 and optionally other lights on other shelves.

The supply lines 102 are connected in a conventional manner with a voltage source. For example, the supply lines 102 along the shelf 20 ' led backwards.

The corresponding to the contact pins 60 the light 10 built contact pins 60 ' thus form lateral contacts of the shelf 20 ' for feeding the supply voltage into the conductive elements in the form of the busbars 64 on the furniture.

QUOTES INCLUDE IN THE DESCRIPTION

This list The documents listed by the applicant have been automated generated and is solely for better information recorded by the reader. The list is not part of the German Patent or utility model application. The DPMA takes over no liability for any errors or omissions.

Cited patent literature

• - DE 202004014556 U1 [0002]
• - DE 10311492 B3 [0003]

Claims (14)

Luminaire comprising: - a luminaire housing ( 12 ) in the form of a profile containing a receptacle for one or more light emitting units ( 22 ), - at least a first and a second current conductor ( 28 ) for supplying power to the one or more light emitting units ( 22 ), the conductors ( 28 ) parallel to each other and in the longitudinal direction of the lamp housing ( 12 ) are arranged running on the receptacle, and - one or more light emitting units ( 22 ), which are arranged in the receptacle and the current conductors ( 28 ) to contact. Luminaire according to claim 1, wherein on the outside on a side wall ( 16 ) of the luminaire housing ( 12 ) a harpoon bar ( 18 ) for connecting the lamp ( 10 ) to a provided with a corresponding groove end face of a shelf ( 20 ) protrudes. Luminaire according to claim 1 or 2, wherein the luminaire housing ( 12 ) is made of metal. Luminaire according to one of the preceding claims, in which the conductors ( 28 ) have a respective, exposed in the recording, conductive surface. Luminaire according to one of the preceding claims, in which the conductors ( 28 ) each with the luminaire housing ( 12 ) are glued. Luminaire according to one of the preceding claims, in which the conductors ( 28 ) relative to the luminaire housing ( 12 ) are electrically isolated. Luminaire according to one of the preceding claims, in which the light emitting units can be latched into the receptacle. Luminaire according to one of the preceding claims, with luminaire end caps ( 54 ; 56 ), which are used to supply power to the conductors ( 28 ) through the end caps ( 54 ; 56 ) are designed through. Kit for a luminaire, comprising: - a luminaire housing ( 12 ) in the form of a profile containing a receptacle for one or more light emitting units ( 22 ) forms; At least a first and a second current conductor ( 28 ) for supplying power to the one or more light emitting units ( 22 ), the conductors ( 28 ) parallel to each other and in the longitudinal direction of the lamp housing ( 12 ) are attachable to the receptacle and optionally already attached to the receptacle; and one or more light emitting units ( 22 ), which are in such a way with the conductors ( 28 ) are used, that they are the conductors ( 28 ) to contact. Shelf for a piece of furniture, with a lamp ( 10 ) according to one of claims 1 to 8, wherein the luminaire ( 10 ) on a front side of the shelf ( 20 ) is attached. Shelf according to claim 10, wherein: - the shelf ( 20 ) has a longitudinal groove on the end face, and - the luminaire housing ( 12 ) a harpoon bar ( 18 ), which on the outside on a side wall ( 16 ) of the luminaire housing ( 12 ) and with which the lamp ( 10 ) on the front side of the shelf ( 20 ) is fixed by the harpoon bar ( 18 ) engages in said longitudinal groove. Furniture with a shelf according to claim 10 or 11. Furniture according to claim 12, further comprising at least two conductive elements ( 64 ), the walls facing the ends of the luminaire ( 62 ) are arranged, wherein the conductive elements ( 64 ) on end caps ( 54 ; 56 ) of the luminaire ( 10 ) provided pins ( 60 ) with the conductors ( 28 ) are connected. Furniture according to claim 13, with another, for feeding a supply voltage into the conductive elements ( 64 ) provided shelf ( 20 ' ), the left and right side contacts ( 60 ' ) comprising the conductive elements ( 64 ) to contact.