DE102013016439A1 - Low-voltage luminaire with several lamps and method for producing lamp arms - Google Patents

Abstract

Low-voltage lamp with a central part, with which the lamp can be fastened, are arranged on the lamp arms for lamps and with a low-voltage source which is connectable to the lamps via the middle part, characterized in that in the at least one central part (1) at least one sleeve ( 2), the input side a plug (4) and the output side has a socket (3), wherein the sleeve (2) outside via a connection (6) for attachment to a pendulum or standpipe (5) and / or for attachment a further identical middle part (21) has, and via the plug (4) and / or the socket (3) of the sleeve (2) an electrically conductive connection to one in the pendulum or standpipe (5) or in the further middle part ( 21) located plug (4) or a female connector (3) can be produced, in which at least one middle part (1) above and / or laterally more plugs / sockets (15) are arranged, the e lektrisch conductive with those of the sleeve (2) are connected, arranged for attachment of the lamp arms (12) and / or decorative elements with light function at the respective central part (1, 21) the lamp arms (12) and / or ornamental with at its attachment end Plug sockets / plug (14) in the top and / or laterally arranged further plug / sockets (15) of the central part (1) can be inserted, to produce an electrically conductive connection and this electrically conductive connection via cable (24) to further in the lamp arms (12) arranged plug / sockets (13) for lamps and / or other lamp arms (23) or decorative means with lighting function is continued and / or direct contact with in the lamp arms (12, 23) arranged bulbs (16).

Description

The invention relates to a low-voltage lamp having lamp arms for lighting, wherein the lamp arms are brought together and fixed to a central part. From the middle part of the power supply of the bulbs, preferably LEDs (light emitting diode, light emitting diode) takes place.

The use of LEDs as bulbs is known, inter alia, from DE 20 2010 004 760 U1 ,

Next, lights are known that can be used both as ceiling spotlights or floor spotlights. That's how it describes DE 203 04 813 U1 a pendant lamp with a central part with lamp arms, where the lamps are arranged and in which the fixed wiring of the lamps, wherein the middle part has connections on both sides for a pendulum, so that it is connectable with respect to the Leuchtenarmstellung in two positions with the pendulum.

The ceiling lamp according to DE 10 2008 022 357 A1 has a base that secures it to the ceiling and has a number of hinged arms for light bulbs attached to the base. The fixed wiring of the bulbs is also here in the base.

The object of the invention is to propose a combinable, expandable and lightweight luminaire in order to ensure a high degree of flexibility for the light distribution, also from the interior of the luminaire parts, and to be able to make decorative designs.

This object is achieved with the device features of claim 1. A method for producing the lamp arms is described in claim 11. The use of a preferred material calls claim 17. Advantageous embodiments are the subject of the dependent claims.

According to the invention, in a low-voltage luminaire with a central part with which the luminaire can be fastened and on which luminaire arms for luminous means are arranged and which has a low-voltage source which can be connected to the luminous means via the central part, it is proposed that
in which at least one central part at least one sleeve is arranged, which has a plug on the input side and a socket on the output side, wherein the sleeve on the outside has a connection for attachment to a pendulum or standpipe and / or attachment of another identical middle part, and on the Plug and / or the socket of the sleeve is an electrically conductive connection to a located in the pendulum or standpipe or in the other middle part connector or a female connector can be produced,
that in the middle part at the top and / or later further plug / sockets are arranged, which are electrically conductively connected to those of the sleeve,
in that the luminaire arms or ornamental means with plug-in sockets / plugs arranged at their attachment end can be inserted in the above and / or laterally arranged further plugs / sockets of the middle part to produce an electrically conductive connection for fastening the luminaire arms and / or decorative elements with luminous function to the respective middle section and
that this electrically conductive connection via cables to further arranged in the lamp arms sockets and / or plugs for lighting and / or other lighting arms is continued and / or has a direct contact with arranged in the lamp arms or decorative lighting means.

The proposed low-voltage lamp is thus components which can be joined together to form a luminaire, the power supply of the luminous means being made via plug / socket connections which at least partially also have an assembly function for the load-bearing connection of the components. Components can be both illuminant-bearing and ornamental with and without luminaire function.

Since it is basically irrelevant for the preparation of the connection, on which part of the plug and on which the socket is arranged, the connection is generally referred to as a plug / socket connections. In particularly advantageous arrangements of plugs or sockets is separately noted.

The connection of the sleeve is preferably an external thread for an internal thread of the pendulum or standpipe or for a connection socket to an external thread of the pendulum or standpipe or the other middle part.

In a preferred embodiment, the input side arranged in the sleeve connector projects beyond this and the output-side socket is located in the sleeve.

In a preferred embodiment, the middle part is assembled in several layers, with at least one layer for receiving the plug / socket and an annular layer as the wiring space.

The layers for the plug / socket and the wiring space are preferably made of a flexible foam, preferably made of ethylene vinyl acetate (EVA), between which and / or the outer layers outside covering solid slices, preferably made of polypropylene (PP), polycarbonate, high pressure laminates (HPL), PVC, wood veneer or solid paper, are arranged.

Preferably, the middle part has a cylindrical or prismatic shape on the outside, without restricting the low-voltage lamp to it.

To increase the stability of the luminaire arm connection or ornamental connection, an advantageous embodiment provides that the middle part has lateral recesses into which the attachment ends of the luminaire arms and / or decorative means additionally engage positively in the manufacture of the plug / socket connection.

The light arms consist of at least two spaced from each other, arranged in Leuchtenarmlängsrichtung, the shape of the light arm defining solid discs, preferably made of plastic such as polypropylene (PP) or polycarbonate (PC) or High Pressure Laminate (HPL) or PVC, wood veneer or solid paper, wherein between the at least two disks in the outer region and these connecting flexible foam webs, preferably ethylene vinyl acetate webs are arranged.

If illuminants are used in the luminaire arm, at least one of the outer panes of the luminaire arms has cutouts or incisions through which light can emerge from the luminous means arranged in the luminaire arm.

Hollow plugs are preferably used for the plug connections between the lamp arms and the middle part, and pin base connections or hollow plugs for lamp connections.

The connector connection arranged at the end of the lamp arms remote from the middle part are preferably those for G4 pin plug LEDs.

For connection of other lamp arms to the lamp arms of the middle part of the plug or socket is arranged in a sleeve with larger to be connected lamp arms, engages over or into the form-fitting a matching counterpart of the other lamp arm, preferably in the form of a screw connection, wherein the plug / socket connection an electrically conductive connection can be produced.

For smaller to be connected other lighting arms or ornamental lighting with the function plug / socket connection alone may be sufficient for the stable load-bearing connection.

Instead of lighting arms can be connected via the connection with the sleeve as well as an exclusive plug / socket connection decorative elements without light function. The corresponding plug or socket is then a de-energized blind connection. This possibility exists also with the use of other connections for bulbs.

• – zur Befestigung des Leuchtenarmes an einem Mittelteil der Niederspannungsleuchte endseitig ein Stecker oder eine Steckerbuchse eingelassen werden, die aus dem Leuchtenarm herausragt,
• – zum Anschluss von Leuchtmitteln an die Leuchtenarme oder der Verbindung von Leuchtenarmen in den Schaumstoff von außen zugängige weitere Stecker/Steckerbuchsen eingelassen werden
• – und in einem Kanal des Schaumstoffkörpers die Kabelverbindungen vorgenommen werden.

For the production of a light arm of the low voltage lamp at least two identical slices of a solid material, preferably made of polypropylene (PP), polycarbonate, high pressure laminates (HPL), PVC, wood veneer or solid paper cut, which correspond to the intended shape of the arm. The two discs are glued on both sides in a first embodiment on a substantially identical flexible foam, preferably ethylene vinyl acetate body, wherein in the foam

• - To attach the lamp arm to a central part of the low-voltage lamp end a plug or a socket to be inserted, which protrudes from the lamp arm,
• - For the connection of lamps to the lamp arms or the connection of lamp arms in the foam from the outside accessible further plugs / sockets are embedded
• - And in a channel of the foam body, the cable connections are made.

The other method of production provides that the spaced connection of the discs in the edge region by bonding with flexible foam webs, preferably Ethylenvinylacetatstegen, takes place and the corresponding plugs and sockets are bordered and fixed by further foam webs and the cable connection is made by the resulting free central space.

When using a third disc, this is preferably arranged centrally between the outer discs and connected in each case via flexible plastic webs, preferably Ethylenvinylacetatstege by gluing with the outer discs.

Before mounting the lamp arm recesses are cut into the central disc for the plug and sockets.

Another procedural embodiment provides that a cladding is applied to the outer discs and / or the flexible foam body and / or continuously over the foam webs, preferably made of cloth or paper. The installation of the cladding must not be made by the manufacturer, but can be performed individually by the user.

In addition to the diverse connection options of lighting, the use and coupling of several middle parts and the extension of the lamp arms by further including the arrangement of decorative elements that are interchangeable or can be replaced by light bulbs, there are many possibilities of customization or adaptation to uses from the low voltage light.

It is further provided that in the connected by flexible foam webs discs cut into the outer disc recesses or scratches are made to the light emitted by arranged in the lamp arms bulbs.

The low-voltage lamp according to the invention will be explained with reference to the drawings. Show it

1 the central part with inserted light arms,

2 the arrangement of two middle parts,

3 a longitudinal section of a lamp arm and

4 a cross section of a lamp arm.

1 shows the middle part 1 with inserted light arms 12 , Centric in the middle part 1 is a sleeve 2 arranged, the input side a the sleeve 2 towering plug 4 and on the output one in the sleeve 2 lying socket 3 having, wherein the sleeve 2 outside via a connection 6 for attachment to a pendulum or standpipe 5 and / or for attachment of another identical middle part 21 has, and over the plug 4 and / or the female connector 3 the sleeve 2 an electrically conductive connection to one in the pendulum or standpipe 5 or in the further middle part 21 located plug 4 or a female connector 3 can be produced.

This plug / socket arrangement is advantageous because of the input side outstanding plug 4 in the assembled state through the connection socket 7 or the pendulum or standpipe 5 is covered. These will be on the connection 6 the sleeve 2 screwed.

The socket 3 appears as a "hole" and can be closed by a target element or a light source.

Next it is shown that the middle part 1 is composed of several layers, with at least one position for receiving the plug / sockets 15 and a layer containing a cabling space.

Between the layers 8th . 9 made of bendable foam, here ethylene vinyl acetate, and in each case the middle part 1 Covering the top and bottom are fixed discs 10 , preferably made of polypropylene (PP), polycarbonate, high pressure laminate (HPL), PVC, wood veneer or solid paper. Advantageous for the strength of the connection of the lamp arms 12 or decorative materials may also be in this form of plug / socket connection when the plug / sockets 15 the middle part by several layers of ethylene vinyl acetate and plastic discs 10 , as shown, are guided.

Further, it is indicated that the middle part 1 lateral recesses 11 in which the attachment ends of the lamp arms 12 and / or ornamentally engage in the manufacture of the male / female connector connection.

The free sections of the middle section 1 are covered by an outer lining.

2 shows a low voltage lamp, in which two middle parts 1 and 21 connected to each other. The construction of the middle parts 1 and 21 is identical. So can a lamp with here two Leuchtenarmkränzen put together. Adding additional middle sections further increases the number of luminaire arm rims. In each case, instead of the luminaire arms, luminous decorative means or ornamental means without luminous function can also be used with the central parts 1 . 21 get connected.

The upper middle section is connected via a connection socket 7 with a pendulum 5 connected by screwing. Through an inside in the connection socket 7 arranged socket 3 the connection becomes the plug 4 made while the connection socket 7 with the sleeve 2 of the middle section 1 is screwed.

About the socket 3 of the middle section 1 and two more connection sockets 7 with an intermediate tube is the middle part 21 attached. Through the two other connection sockets 7 and the intermediate tube becomes the distance between the middle parts 1 and 21 increased, so that more room for the luminaire arm design and arrangement or ornamental arrangement remains.

3 shows a longitudinal section through a lamp arm 12 , on which still another lighting arm 23 with bulbs 16 in the bulb arm 23 is arranged.

The connection of the luminaire arm 12 to the middle part 1 via the plug / socket connection 14 . 15 , The in the middle part 1 above arranged plugs / sockets 15 are electrically conductive with those of the sleeve 2 connected. For fixing the light arms 12 at the middle part 1 become the light arms 12 with their arranged at the attachment end sockets / plugs 14 in the form of hollow plugs into the plugs / sockets 15 inserted, with simultaneous production of an electrically conductive connection. This electrically conductive connection is then via cable 24 to further in the lamp arms 12 arranged sockets 13 and / or plugs for lighting and / or other lighting arms 23 continued.

Of course, a direct contact to in the lighting arms 12 arranged bulbs 16 , preferably LED light strips or chains done.

The light arms 12 . 23 each consist of three spaced from each other, arranged in Leuchtenarmlängsrichtung, the shape of the lamp arm 12 . 23 determining solid plastic discs 17 . 18 from here polypropylene (PP) or polycarbonate (PC) or PVC. You can only see the middle plastic disc in the longitudinal section 18 ,

Between the middle plastic disc 18 and the two outer plastic discs on both sides 17 are in the outer area of the plastic discs 17 . 18 connecting ethylene vinyl acetate webs 19 arranged.

Outside on the Ethylenvinylacetatstegen 19 is a disguise 25 arranged in the form of an inlay layer, which is the space between the outer plastic discs 17 containing the Ethylenvinylacetatstege 19 to overshadow something, to fill in.

Of course it is also possible that the middle plastic disc 18 or a portion of it the outer plastic discs 17 towers over and serves as a carrier for jewelry. This allows interesting light reflections to be achieved. For connection of the further luminaire arm 23 to the luminaire arm 12 is a plug or a female connector 14 in a sleeve 20 arranged over or in the form-fitting a matching counterpart 22 the further arm of the luminaire 23 engages, preferably in the form of a screw connection, and an electrically conductive connection is made by the male / female connector 14 produced. For smaller to be connected other lighting arms or ornamental lighting with the function plug / socket connection alone may be sufficient for the stable load-bearing connection.

Instead of lighting arms can be connected via the connection with the sleeve as well as an exclusive plug / socket connection decorative elements without light function.

For the plug / socket connections 14 . 15 between the lamp arms 12 or ornaments and the middle part 1 Hollow plugs are used and for lamp connections are preferably pin header or hollow plug used.

The one at the middle part 1 remote end of the lamp arms 12 arranged plug / socket connections 13 are preferred for G4 pin plug LEDs.

Plug / socket connections are also on the side of the light arms 12 possible.

For the plugs and sockets 13 . 14 be before mounting the lamp arms 12 . 23 in the central plastic disc 18 Recesses cut.

4 shows a light arm 12 in cross section.

The light arm 12 consists of three spaced apart, arranged in Leuchtenarmlängsrichtung fixed plastic discs 17 . 18 , preferably of polypropylene (PP), PVC, polycarbonate, high pressure laminates (HPL), wood veneer or solid paper. Between the adjacent plastic discs 17 . 18 are in the outer region and these connecting ethylene vinyl acetate webs 19 arranged.

Above the outer plastic disks protrude 17 the Ethylenvinylacetatstege 19 outside, leaving one flush with the plastic discs 17 final panel 25 on the Ethylenvinylacetatstege 19 can be applied.

The middle plastic disc 18 of the luminaire arm 12 surmounted below the outer plastic discs 17 and serves z. B. as a carrier for jewelry.

In one of the resulting in this construction channels are the cables 24 arranged to the bulbs.

In other designs is on the middle plastic disc 18 waived. Then the outer plastic discs 17 by Ethylenvinylacetatstege 19 or a solid material of ethylene vinyl acetate bonded together by gluing. The Vollmatereial is slotted before gluing to cable 24 appeal.

LIST OF REFERENCE NUMBERS

1

midsection

2

Sleeve of the middle part

3

Socket of the sleeve

4

Plug of the sleeve

5

pendant tube

6

Connection of the sleeve

7

connection socket

8th

Position for receiving the plug

9

annular position

10

Slices of the middle part

11

lateral recesses of the middle part

12

lamp arms

13

Plug / socket of the lamp arms

14

Socket / plug of the light arms

15

Plug / socket of the middle part

16

Illuminant in the luminaire arm

17

Slices of the luminaire arms outside

18

middle disc

19

flexible foam webs

20

sleeve

21

another middle part

22

counterpart

23

further lighting arms

24

electric wire

25

paneling

QUOTES INCLUDE IN THE DESCRIPTION

This list of the documents listed by the applicant has been generated automatically and is included solely for the better information of the reader. The list is not part of the German patent or utility model application. The DPMA assumes no liability for any errors or omissions.

Cited patent literature

• DE 202010004760 U1 [0002]
• DE 20304813 U1 [0003]
• DE 102008022357 A1 [0004]

Claims (17)

Low-voltage lamp with a central part, with which the lamp is fastened, are arranged on the lamp arms for lamps and with a low-voltage source which is connectable to the lamps via the central part, characterized in that in the at least one central part ( 1 ) at least one sleeve ( 2 ) is arranged, the input side a plug ( 4 ) and a socket on the output side ( 3 ), wherein the sleeve ( 2 ) outside via a connection ( 6 ) for attachment to a pendulum or standpipe ( 5 ) and / or for attachment of another identical central part ( 21 ) and over the plug ( 4 ) and / or the female connector ( 3 ) of the sleeve ( 2 ) an electrically conductive connection to one in the pendulum or standpipe ( 5 ) or in the further middle part ( 21 ) ( 4 ) or a female connector ( 3 ) can be produced, in which at least one middle part ( 1 ) at the top and / or laterally further plugs / sockets ( 15 ) are arranged, which are electrically conductive with those of the sleeve ( 2 ), for attaching the light arms ( 12 ) and / or ornamental elements with lighting function at the respective central part ( 1 . 21 ) the light arms ( 12 ) and / or the decorative means with arranged at its attachment end sockets / plug ( 14 ) in the above and / or laterally arranged further male / female ( 15 ) of the middle part ( 1 ) are plugged, making an electrically conductive connection and this electrically conductive connection via cable ( 24 ) to further in the lamp arms ( 12 ) arranged plugs / sockets ( 13 ) for lamps and / or other lamp arms ( 23 ) or decorative materials with lighting function is continued and / or a direct contact to in the lighting arms ( 12 . 23 ) arranged bulbs ( 16 ) having. Low-voltage lamp according to Claim 1, characterized in that the connection ( 6 ) of the at least one sleeve ( 2 ) an external thread for an internal thread of the pendulum or standpipe ( 5 ) or for a connection socket ( 7 ) to an external thread of the pendulum or standpipe ( 5 ) or the other message part ( 21 ). Low-voltage lamp according to claim 1 or 2, characterized in that the middle part ( 1 . 21 ) is composed of several layers, with at least one layer ( 8th ) for receiving the plug / socket ( 15 ) and an annular layer ( 9 ) as cabling space. Low-voltage lamp according to claim 3, characterized in that the layers ( 8th . 9 ) for the plugs / sockets ( 15 ) and the wiring space of a flexible foam, preferably ethylene vinyl acetate (EVA) consist, between which and / or the outer layers outside covering solid slices, preferably of polypropylene (PP), polycarbonate, high pressure laminates (HPL), PVC, wood veneer or solid Paper, are arranged. Low-voltage lamp according to one of claims 1 to 4, characterized in that the lamp arms ( 12 . 23 ) of at least two spaced from each other, arranged in the direction of the lamp arm, the shape of the lamp arm ( 12 . 23 ) fixed disks, preferably made of polypropylene (PP), polycarbonate, high pressure laminates (HPL), PVC, wood veneer or solid paper and between the at least two discs ( 17 ) a conformable flexible foam body, vorzusweise a Ethylenvinylacetatvollkörper is glued or in the outer region and these connecting flexible foam webs, preferably Ethylenvinylacetatstege ( 19 ) are arranged. Low-voltage lamp according to Claim 5, characterized in that the outer disks ( 17 ) of the light arms ( 12 . 23 ) the foam webs ( 19 ) or project beyond the solid body at least in sections, so that one flush with the panes ( 17 ) final panel ( 25 ) on the foam webs ( 19 ) or the solid body can be applied. Low-voltage lamp according to claim 5 or 6, characterized in that a middle disc ( 18 ) of the light arms ( 12 . 23 ) at least in sections, the outer discs ( 17 ) and serves as a carrier for jewelry. Low-voltage lamp according to one of claims 5 to 7, characterized in that at least one of the outer panes ( 17 ) of the light arms ( 12 . 23 ) Has cut-outs or incisions through which light from in the luminaire arm ( 12 . 23 ) arranged bulbs ( 16 ) exit. Low-voltage lamp according to one of Claims 1 to 8, characterized in that for the plug / socket connections ( 14 . 15 ) between the lamp arms ( 12 ) or ornamental elements with lighting function and the central part ( 1 ) preferably hollow plugs are used and for lamp connections pin base connections or hollow plugs. Low-voltage lamp according to one of claims 1 to 9, characterized in that for connection the further arm of the lamp ( 23 ) to the lamp arms ( 12 ) of the message part ( 1 ) only a plug / socket connection ( 14 ) or the plug or the socket ( 14 ) is in a sleeve ( 20 ), over or in the form-fitting a matching counterpart ( 22 ) of the further light arm ( 23 ) engages, preferably in the form of a screw connection, and an electrically conductive connection through the plug / socket connection ( 14 ) can be produced. Method for producing a light arm ( 12 . 23 ) of a low-voltage lamp, in which at least two identical panes ( 17 ) are cut out of a solid material which corresponds to the intended shape of the light arm ( 12 . 23 ) and the two discs ( 17 ) are glued on both sides to a substantially identical flexible foam body, wherein in the foam body - for attachment of the lamp arm ( 12 ) at a middle part ( 1 ) of the low voltage lamp end a plug or a female connector ( 14 ), which come from the light arm ( 12 ), - for connecting lamps to the lamp arms ( 12 . 23 ) or the connection of lamp arms ( 12 . 23 ) in the foam body externally accessible further plug ( 13 ) - and in a channel of the foam body, the cable connections ( 24 ), or the spaced connection of the discs ( 17 ) in the edge region by bonding with flexible foam webs ( 19 ) and the corresponding plugs and sockets ( 13 . 14 ,) by further foam webs ( 19 ) are fixed and fixed and the cable connection is made through a free central space. A method according to claim 11, characterized in that the flexible foam body or the foam webs made of ethylene vinyl acetate. A method according to claim 11 or 12, characterized in that when using a third disc ( 18 ) this centered between the outer discs ( 17 ) and in each case via foam webs ( 19 ) by gluing with the outer discs ( 17 ) is connected. A method according to claim 13, characterized in that prior to assembly of the lamp arm ( 12 . 23 ) in the central disc ( 18 ) Recesses are cut for the plugs and sockets ( 13 . 14 ). Method according to one of claims 11 to 14, characterized in that on the outer discs ( 17 ) and / or the foam body and / or throughout the foam webs ( 19 ) a cover is applied, preferably made of cloth or paper. Method according to one of claims 11 to 15, characterized in that in the foam by webs ( 19 ) connected discs ( 17 ) cut into the outer disc recesses or scratches are made to the light emission. Use with an adhesive layer provided ethylene vinyl acetate as a solid or in the form of webs as a connector of plastic discs in the manufacture of lighting arms.

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