EP2171351B1 - Illuminating device - Google Patents

Abstract

The equipment (1) has a housing (5) for accommodating a lighting device (2), where the housing is made of metal or plastic. The lighting device is supported pivotably in the housing, and a pivot bearing is provided for the lighting device. The current supply for the lighting device is provided via the pivot bearing, where the pivot bearing is implemented as a hollow shaft. The housing is an integral part of a lamp shade in a round, edged or polygonal or a free circular shape, where height of the housing is 0.8 to 2 cm.

Description

The present invention relates to a lighting device according to the preamble of patent claim 1.

A lighting device according to the invention comprises at least one light-emitting element and at least one holder in which the light-emitting element is located.

Out DE 20 2006 015 506 U1 is a generic lighting device known. This lighting device consists of a plurality of light-emitting elements and a holder in which the light-emitting elements are mounted. Furthermore, pins are provided as electrical contacts for the light-emitting elements. The holder has a good thermal conductivity to dissipate the heat from the light-emitting elements. The light-emitting elements are arranged radially and rotationally symmetrically on the holder. In this way, the heat generated by the light-emitting elements can be dissipated smoothly and quickly.

Out DE 10 2004 023 358 B3 a luminaire, in particular a recessed or surface-mounted luminaire is known. This luminaire is provided with a housing which has a light exit side and a plurality of luminous bodies arranged in the housing, each of which contains a luminous means. The lamp body in the housing are pivotally mounted about at least one parallel to this light exit side pivot axis. In addition, the lamp has a standing with the lamp bodies in connection and movably mounted on the housing first actuating element for simultaneously pivoting the filament.

In DE 199 17 401 A1 discloses a lighting fixture, which consists of a plurality of LEDs, which are arranged on at least one circuit board and electrically connected to each other. The board is arranged between two plates, wherein at least one plate corresponding to the arrangement of the LED's on the board Has openings. The plate with the LEDs and the two plates are connected together to form a panel.

Out DE 31 127 22 A1 is a lamp, in particular a high pressure lamp disclosed. The lamp is designed in two parts, so that the part which carries the reflector, with respect to the stationary housing, which accommodates the essential electrical components, is pivotable. As a result, a setting of the light cone is also possible on the attachment. The two housing halves can be sealed against each other despite the swiveling dust and waterproof.

Out DE 20 2006 007 047 U1 a device for influencing a light beam, in particular a light beam for stage and entertainment lighting is known. This device has a base element and a housing arranged rotatably by means of a plurality of drive units on an arm which is rotatable relative to the base element. In the housing, a light source and means for influencing the light beam originating from the light source are provided. Furthermore, an electronic control system for operating the device and a drive unit for rotation of the rotatable arm are arranged.

Out DE 20 2006 001 001 U1 is a low-voltage lighting unit with gimbal light heads known. These light heads are designed in NV, halogen or LED technology. The luminaire housing consists of a rear aluminum housing, an isolator adapter and a front aluminum panel.

Out DE 20 2006 015 506 U1 is a lighting device with a plurality of light-emitting elements known. Furthermore, a holder is provided, which holds the light-emitting elements. Pins are provided as electrical contacts for the light-emitting elements. The holder has a good thermal conductivity to dissipate the heat from the light-emitting elements. The light-emitting elements are arranged radially and symmetrically on the holder, so that the heat of the light-emitting elements can be dissipated uniformly and quickly.

Out DE 203 17 978 U1 is a floor lamp known. The floor lamp has a lamp head with a frame element and two pivot bearings. The pivot bearings are arranged at two opposite ends on the circumference of the frame member. The frame itself is extendable and has at least two parallel sets of telescopic rod elements. Furthermore, a base is provided which is connected to the lower end of the extendable frame.

Out DE 201 05 386 U1 is an electric light known. This lamp consists essentially of a holding device to which at least one lamp holder or even several lampshades or light emitters are attached. A bulb holder is rotatably mounted either directly or indirectly in the holder by an angle of 360 °, so that it can be rotated arbitrarily down in a vertical plane.

Out DE 200 08 810 U1 is a luminaire with a luminous body, which is gimbaled in a frame via a space lying within the frame, known. There is at least one pivot axis present, which connects the frame and the intermediate frame on the one hand and the intermediate frame and the luminous body on the other hand pivotally. This is designed as a crank.

Out US 2007/0109813 A1 is a night light known, which is integrated in a rotatably mounted housing. The lamp consists of an array of LEDs, which are arranged in the housing of the night light.

A disadvantage of the known lighting devices that they have a relatively high height and their light, especially in the arrangement of multiple lighting devices in a lighting device, only poorly focused.

The present invention is therefore based on the object to provide a lighting device which is characterized by a low height and by means of which the lighting energy generated by the light-emitting elements can be well focused or scattered and aligned.

This object is solved by the features of the characterizing part of claim 1. Advantageous embodiments of the invention will become apparent from the dependent claims and the description and from the accompanying drawings.

The lighting device according to the invention consists of a housing for receiving at least one lighting device, wherein at least one lighting device is pivotally mounted in the housing and is provided for at least one lighting device at least one pivot bearing and the power supply to the lighting device is effected by or via a pivot bearing.

The lighting device consists of a first and second housing part, which can be joined together by means of mechanical connections, in particular via plug connections. This allows easy replacement of the light-emitting unit and simplifies assembly.

In the first housing part, a socket for receiving the light-emitting unit or a space for direct contact on a printed circuit board or on another carrier is present in the lighting device. In the second housing part, a reflector for bundling the light emitted by the light-emitting unit light or a light scattering device is present. The lighting devices are coupled together and pivotable together. Thus, a good focusability or dispersion of the light can be made.

According to the embodiment of claim 2, it is preferred that the illumination device is a lamp. The housing of the lighting device is part of a round, square, polygonal or a free-rotating lampshade. The height of the housing of the lighting device is 1 cm to 6 cm, preferably 1.5 cm to 3 cm. This results in a particularly flat shape, whereby the lighting device is well suited for installation in furniture, ceilings or walls or appears the lighting device free standing or hanging reduced in volume as a flat disc.
It is also advantageous if the overall height of the lighting devices is adapted to the overall height of the lighting device, wherein the height of the housing of the lighting device should not be exceeded by the lighting devices, unless this is desired to optically the lighting devices from the plane of the lighting device to make appear.

Advantageous according to claim 3, that the pivot bearings are designed at least on one side as hollow shafts. This allows easy handling and manufacture and easy insertion or retraction of power supply lines.

According to the embodiment according to claim 4, the housing of the lighting device is provided with a circumferential aperture and can be used as a ceiling or wall lamp in correspondingly shaped openings. The housing consists for example of metal or plastic. The housing can be suspended or used as a work lamp with foot. The housing of the lighting device consists for example of metal or plastic and / or at least the first housing part of the lighting device is made of metal, aluminum or another, good heat conducting material.

According to the embodiment according to claim 5, it is preferably provided that the illumination device is designed to receive at least one light-emitting unit and that the light-emitting unit is a light-emitting means or a fluorescent cell or a light-emitting diode, in particular an LED or a composite of several LEDs. This allows the low height of the lighting device and the lighting device.

According to a further embodiment it is provided that the lighting devices are arranged in the housing radially and symmetrically to the center of the illumination device. A further advantage is that each of the lighting devices is pivotable about its pivot bearing by almost 360 ° degrees. This allows for the adjustment of the lighting device flexible lighting and adjustment of individual lighting by the user.

According to the embodiment according to claim 6 it is preferred that the at least one lighting device consists of a first and a second housing part, which are connectable by means of mechanical connections, in particular via plug connections, and / or the at least one lighting device about its pivot bearings by almost 360 ° pivotable is.

It is also advantageous that the lighting devices in the lighting device, both electrically, as well as mechanically coupled to each other. The lighting devices are therefore electrically together and / or separately switchable and jointly and / or separately pivotable. Thus, good focusability or dispersion of the light can be set.
In a further advantageous embodiment of the invention, the mechanical coupling of the lighting devices and the common pivoting means of at least one gear or at least one flexible Wave. Thus, a user can easily make the panning and setting.

According to the embodiment according to claim 7 it is preferred that a plurality of lighting devices are arranged side by side in the lighting device and these lighting devices are coupled together and pivotable together.

According to the embodiment according to claim 8, it is preferred that the illumination devices and / or the at least one illumination device are arranged in recesses in the housing of the illumination device and that the pivot bearings dive into the housing or in the housing of the illumination device bearing journals are provided to receive the hollow shafts of the pivot bearing ,

Advantageous according to claim 9, that the first housing part of the lighting device has cooling fins. This additionally improves the dissipation of the resulting heat to the environment.

According to the embodiment according to claim 10, the second housing part of the lighting device made of metal or plastic and in the second housing part, a reflector is used or the complete second housing part is made of transparent or semitransparent material and is formed with an integrated reflector.

According to the embodiment according to claim 11 it is preferred that at least one Zahnradanformung is arranged on the pivot bearings, which engages in a further Zahnradanformung, which is arranged on at least one further pivot bearing. About the pivot bearing and the Zahnradanformungen the lighting devices in the lighting device by means of a device arranged in the lighting device are pivotable.

According to the embodiment according to claim 12, it is preferred that the illumination devices 2 in the illumination device 1 are arranged symmetrically about the center of the illumination device 1 on a circular path or radially around the center of the illumination device 1 and / or the illumination devices 2 on this circular path or radially around the Center of the lighting device 1 are arranged equidistantly and electrically connected in a row. According to the embodiment according to claim 13, it is preferred that the power supply to the lighting devices via the Zahnradanformungen and the pivot bearing takes place.

According to the embodiment according to claim 14, it is preferred that contact points for guiding the current are arranged in the depressions of the gear tooth formations.

According to the embodiment according to claim 15, it is preferred that the housing of the illumination device consists of two transparent elements which form an inner core and a cover can be applied to these transparent elements and the illumination device, preferably the housing of the illumination device, forms a sandwich structure.

The invention will be explained in more detail with reference to a concrete embodiment with reference to figures. The description based on a concrete embodiment does not represent a limitation of the invention to this embodiment.

Fig. 1 und Fig. 1 a

jeweils eine perspektivische Darstellung auf die erfindungsgemäße Beleuchtungseinrichtung mit sechzehn integrierten Beleuchtungs- vorrichtungen,

Fig. 2 und Fig. 2a

jeweils eine weitere perspektivische Darstellung auf die erfindungsge- mäße Beleuchtungseinrichtung,

Fig. 3 und Fig. 3a

jeweils eine zusätzliche perspektivische Darstellung auf die erfin- dungsgemäße Beleuchtungseinrichtung,

Fig. 4 und Fig. 4a

eine weitere perspektivische Darstellung auf die erfindungsgemäße Beleuchtungseinrichtung,

Fig. 5

eine Seitenansicht der erfindungsgemäßen Beleuchtungseinrichtung,

Fig. 6

eine weitere Ausgestaltung der erfindungsgemäßen Beleuchtungsein- richtung mit achtundvierzig Beleuchtungsvorrichtungen,

Fig. 7

einen Ausschnitt aus der erfindungsgemäßen Beleuchtungseinrich- tung gemäß Figur 1,

Fig. 8

eine weitere Darstellung eines Ausschnitts aus der erfindungsgemä- ßen Beleuchtungseinrichtung,

Fig. 9 bis Fig. 11

eine Teilansicht eines Schnitts durch die erfindungsgemäße Beleuch- tungseinrichtung,

Fig. 12

einen Schnitt durch die erfindungsgemäße Beleuchtungsvorrichtung,

Fig. 13

eine Explosionsdarstellung einer erfindungsgemäßen Beleuchtungs- vorrichtung,

Fig. 14

eine erfindungsgemäße Beleuchtungsvorrichtung in seitlicher Ansicht,

Fig. 15

eine weitere Ansicht einer erfindungsgemäßen Beleuchtungsvorrich- tung,

Fig. 16

ein erstes Gehäuseteil einer erfindungsgemäßen Beleuchtungs- vorrichtung,

Fig. 17

ein zweites Gehäuseteil einer erfindungsgemäßen Beleuchtungs- vorrichtung,

Fig. 18

eine alternative Ausgestaltung einer Beleuchtungsvorrichtung,

Fig. 19

eine Explosionsdarstellung einer Beleuchtungsvorrichtung,

Fig. 20

eine Explosionsdarstellung einer Beleuchtungsvorrichtung,

Fig. 21

einen Detailausschnitt aus einer Beleuchtungseinrichtung,

Fig. 22

einen weiteren Detailausschnitt aus einer Beleuchtungseinrichtung und

Fig. 23 bis Fig. 26

einen Sandwichaufbau der Beleuchtungseinrichtung.

Show it:

Fig. 1 and Fig. 1 a

each a perspective view of the lighting device according to the invention with sixteen integrated lighting devices,

Fig. 2 and Fig. 2a

in each case a further perspective view of the illumination device according to the invention,

Fig. 3 and Fig. 3a

in each case an additional perspective view of the illumination device according to the invention,

Fig. 4 and Fig. 4a

a further perspective view of the illumination device according to the invention,

Fig. 5

a side view of the illumination device according to the invention,

Fig. 6

A further embodiment of the lighting device according to the invention with forty-eight lighting devices,

Fig. 7

a section of the lighting device according to the invention according to FIG. 1 .

Fig. 8

a further illustration of a detail of the illumination device according to the invention,

Fig. 9 to Fig. 11

a partial view of a section through the lighting device according to the invention,

Fig. 12

a section through the lighting device according to the invention,

Fig. 13

an exploded view of a lighting device according to the invention,

Fig. 14

a lighting device according to the invention in a side view,

Fig. 15

a further view of a lighting device according to the invention,

Fig. 16

a first housing part of a lighting device according to the invention,

Fig. 17

a second housing part of a lighting device according to the invention,

Fig. 18

an alternative embodiment of a lighting device,

Fig. 19

an exploded view of a lighting device,

Fig. 20

an exploded view of a lighting device,

Fig. 21

a detail of a lighting device,

Fig. 22

another detail of a lighting device and

FIGS. 23 to 26

a sandwich construction of the lighting device.

In the figures in the figures, the same reference numerals have been used for identical parts in all figures. This facilitates the understanding of the description of the figures.

Fig. 1 and Fig. 1a each show an embodiment of a lighting device 1 according to the invention, consisting of a plurality of lighting devices 2. In the concrete embodiment according to FIG. 1 Sixteen lighting devices 2 are integrated in the lighting device 1. The lighting devices 2 are installed in the lighting device 1. The lighting device 1 has eight recesses 3, in each of which two lighting devices 2 are introduced. The lighting devices 2 are designed cylindrical. On the non-light-emitting side, the lighting devices 2 are provided with cooling fins 4. These cooling fins 4 consist of annular webs, which run concentrically around the center of the lighting device 2. The shape of the arrangement of the cooling fins is arbitrary. The cooling fins 4 serve to dissipate the resulting heat to the rear or upwards, especially in the case of LEDs, which benefits a long service life. At the bottom, the lighting device 2 has a reflector, which encloses at least one light emitting diode and emits the light downwards. The reflector can also be replaced by apertures made of translucent material or closed. The aperture can be colored differently and allow the light diffuse emerge or have translucent pictograms for the generation of special lighting effects.

The lighting device 1 is preferably designed as a lamp. It consists of a housing 5, which preferably consists of two separable housing parts. Each of the two housing parts of the housing 5 is in one piece and is preferably made of plastic or metal. In the middle, the housing 5 has an opening 6. This opening 6 is used for attachment of anchors or fastening devices, by means of which the lighting device. 1 is fastened. In the housing 5, the drive electronics for the individual lighting devices 2 is arranged; In addition, the cabling is integrated.

Advantageously, a plurality of lighting devices 1 can be combined to form a lighting unit, so that an infinitely large lighting surface or lamp can be produced by juxtaposing and arranging lighting units 1 according to the invention. In FIG. 1 the housing 5 is shown as a round housing. However, it has proven to be advantageous to provide the housing 5 rectangular if several lighting devices are to be combined to form a large-area lighting unit.

In Fig. 2 and Fig. 2a is in each case the lighting device 1 off FIG. 1 shown again. However, it is apparent that each individual lighting device 2 is pivotally mounted about a pivot bearing 7. The pivot bearing 7 allows a relative movement of a lighting device 2 by almost 360 ° about the axis of the pivot bearing. 7

As in Fig. 2 and Fig. 2a As can be seen, the lighting devices 2 can be pivoted separately and independently. In an advantageous manner, however, lighting devices 2 are coupled together in such a way that the lighting devices 2 are jointly pivotable about the desired angle. This pivoting is achieved by a connection of the lighting devices 2, which in FIG. 2 is not shown, in particular by an arrangement of a gear or a flexible shaft. Thus, in each case a predefined number of lighting devices can be pivoted together about the pivot bearing 7 via this gear or flexible shaft. This flexible pivoting allows a particularly good focusing of the lighting devices 2, so that the light emitted by the lighting devices 2 light is particularly well focused or Zerstreubar.

In a preferred embodiment of the invention, in each case the lighting devices 2 arranged radially at the same distance around the center of the housing 5 are connected to one another in the previously described manner. Thus, in FIG. 2 the lighting devices 2 arranged on an inner circular line about the center of the housing 5 are pivoted together via the gear or the gears or the flexible shaft. The same applies to the lighting devices 2, which lie on the second outer imaginary circular line. These are also, as described, so pivotable.

In Fig. 3 and Fig. 3a in each case the device according to the invention is shown again. There it can be seen that in an advantageous embodiment, the lighting devices 2 are all together mechanically connected or coupled together in the manner described. In an advantageous embodiment of the invention, the drive of the pivoting movement is operated by an electric motor. Thus, by an arrangement of a stepping motor electrically, the pivoting of the lighting devices 2 take place. In a further embodiment of the invention, it is provided that each lighting device 2 of the lighting device 1 can be pivoted separately.

In Fig. 4 and Fig. 4a is shown that the inner lighting devices 2 with respect to the initial position in Fig. 1 are pivoted by 180 ° degrees, the outer lighting devices 2 are shown in the basic orientation. FIG. 4 shows particularly well the radial arrangement of the lighting devices 2 and the center of the housing 5. In addition, the recesses 3 of the housing 5 are shown, in which the lighting devices 2 are inserted into the housing 5 of the lighting device 1.

It can be clearly seen that the lighting devices 2 consist of two housing parts 8, 9. The first housing part 8 consists of a good heat-conducting metal, which is provided with cooling ribs free arrangement. In the second housing part 9, a transparent reflector is integrated centrally or the entire housing part is designed as a reflector. In a further embodiment of the invention, the reflector 15 may be made of colored, translucent material. Thus, the color of the emitted light can be changed. In an advantageous embodiment of the invention, the reflector 15 is mounted pluggable, so that it can be replaced without much effort. However, in order to increase the safety of the lighting device 2, a switching element or a contact is integrated, which prevents operation of the lighting device 2 when no reflector is placed on the lighting device 2. In addition, the reflector 15 can be used for scattering or focusing the emitted light, in particular to produce a diffused or concentrated light.

In Fig. 5 is a side view of the lighting device 1 is shown. It can be seen that the lighting devices 2 are not greater in their overall depth than the overall depth of the housing 5 of the lighting device 1 itself. This allows a particularly flat design of the lighting device 1. Um To achieve the low depth, are used as light-emitting elements LED's or phosphor cells. It has been shown that the depth can be reduced to 2 to 3 cm. It is also clearly visible that the housing 5 has a disc-shaped configuration and is rotationally symmetrical.

In Fig. 6 a further embodiment of the illumination device 1 according to the invention is shown. There are arranged on four equidistant from each other, concentrically extending planes around the center of the lighting device 1, the lighting devices 2. The lighting devices are grouped into groups of four 11 and groups of two 12. All lighting devices 2 are mounted in the housing 5 via pivot bearings 7. According to the invention, each one of the in FIG. 6 Lighting devices 2 shown are pivoted, or the individual arranged on an equidistant distance from the center of the lighting device 1 lighting devices 2 can each be pivoted together about the respective pivot axes.

Fig. 7 shows a schematic representation of a section of the lighting unit 1 with two lighting devices 2, which are arranged in a recess 3. The pivot bearings 7 are easily recognizable around which the lighting devices 2 are pivotable.

Fig. 8 shows a further illustration of a section according to Fig. 7 with a frame that encloses the recess 3.

The figures Fig. 9 to Fig. 11 show a section through the in Fig. 8 shown section of the lighting device 1. The section is in Fig. 8 marked with section A. It is now in Fig. 9 to recognize that the lighting devices 2 are mutually differently pivotable, in each case via the pivot bearing. 7

In Fig. 12 a section through a lighting device 2 is shown. There is clearly visible that the electric power supply 13 is guided by the pivot bearing 7. For this purpose, the pivot bearing 7 is designed as a hollow mold, so that the power supply 13 can be guided by the pivot bearing 7. The power supply 13 is preferably designed in the form of a cable. The power supply 13 is a socket, which is arranged in a first housing part 8, or is directly connected to the contacts of the LED. The second housing part 9 of the lighting device 2 has the integrated reflector 15 which focuses and reflects the emitting light generated by the light-emitting element 16. This light-emitting element 16 is preferably an LED or a phosphor cell. The light-emitting element 16, when supplied with a corresponding current via the power supply 13, which is supplied via or through the pivot bearing 7, emits light. This light is focused on the reflector 15. In addition, 8 cooling fins 4 are arranged on the first housing part. These serve to dissipate the heat generated in the lighting device 2. It has therefore proved to be advantageous to produce the first housing parts 8 from metal or aluminum or a material with good heat conduction properties.

In Fig. 13 is an exploded view of the lighting device Fig. 12 shown. There, the power supply 13 to the light-emitting element 16 is now clearly visible. Furthermore, it is clearly visible that the lighting device 2 consists of two housing parts 8, 9, namely the first housing part 8 and the second housing part 9. Both housing part 8, 9 are connected to one another via a corresponding fit.

In Fig. 14 a side view of a lighting device 2 is shown. It is shown the pivot bearing 7, wherein the pivot bearing 7 is designed centrally hollow. The pivot bearing 7 is formed as a molded part with the housing parts 8 and 9.

In Fig. 15 a view of the bottom of the lighting device 2 is shown. The two housing parts 8, 9 of the lighting device 2 are shown. The reflector element, which is arranged in the housing part 9, is shown in its particular embodiment. The reflector is made in one advantageous embodiment of the invention in one piece with the housing part 9 and made of transparent material.

In Fig. 16 the first housing part 8 is shown in an interior view. There, the light-emitting element 16 is clearly visible. Instead of the light-emitting element 16 may also be mounted a socket, which allows the inclusion of a smaller light-emitting element.

In Fig. 17 the interior view of the second housing part 9 is shown. The reflector 15 is clearly visible. The reflector 15 is designed such that it works together with the second housing part 9 can be produced, preferably by means of an injection mold for plastic parts.

In Fig. 18 a lighting device 2 is shown in an alternative embodiment. The lighting device 2 has ribs and / or a corrugation or a matte surface 10 on the second housing part 9. These serve to also allow the light 360 ° exit from the outer surface of the reflector to create a light effect on the outer edge of the lighting device and / or to reinforce or to use the scattered light as an indirect light source. In particular, in the interaction of the further arranged in the lighting unit 1 lighting devices 2, this effect is further enhanced. In an advantageous embodiment, the reflector 15 and the second housing part 9, in particular the ribs or a matte surface 10 are made in one piece from a translucent and / or light-scattering material.

Furthermore, now gearwheels 14 and gearwheels are arranged on the pivot bearings 7. This Zahnradanformungen 14 correspond with Zahnradanformungen 14 to the other arranged in the lighting device 1 lighting devices 2. This will be explained in more detail in the further detailed description. About this Zahnradanformungen 14, the lighting devices 2 in the lighting device 1 are pivotable.

In addition, it is provided that the Zahnradanformungen 14 and the pivot bearings 7 are made of conductive material, so that the power supply to the light-emitting elements 16 via the Zahnradanformungen 14 and the pivot bearing 7 takes place.

Fig. 19 shows the lighting device Fig. 18 in exploded view. Here are terminals 17 available. The clamps 17 serve, in particular, to conduct the current from the gear tooth formations to the light-emitting elements 16. In this embodiment, then the pivot bearing 7 made of non-conductive material. In addition, the terminals 17 are used to hold the Zahnradanformungen 14 on the pivot bearings 7. In a particular embodiment of the invention, the terminals 17 clamp the Zahnradanformungen 14 on the pivot bearings 7. In a further advantageous embodiment of the invention, it is provided that 14 contacts are inserted in the recesses of the Zahnradanformungen. These contacts then enable safe power supply and bridging. This task is also simultaneously and / or additionally in a further embodiment taken from the terminals 17. These then each contact corresponding contact points in the Zahnradanformungen 14 and direct the current to and from the light-emitting elements 16th

In Fig. 20 is a further exploded view of a lighting device 2 is shown.

Fig. 21 shows a detail of a lighting device according to the invention 1. There are the Zahnradanformungen 14, as they correspond to each other, shown. Furthermore, it is shown that the illumination devices 2 are arranged on two circular lines around the center 6 of the illumination device 1. In concrete execution according to Fig. 21 two rings of lighting devices 2 are present. Advantageously, the lighting devices 2, which lie on a common circular path around the center of the lighting device 1, electrically connected in series, so that the intension and amount of light emission of the lighting device 1 can be halved by a simple logical interconnection or that each ring of lighting devices 2 is separately switchable.

The illumination devices 2 in the illumination device 1 are preferably arranged symmetrically about the center 6 of the illumination device 1 on a circular path or radially around the center 6 of the illumination device 1.

As already described, the current is conducted to the light-emitting elements 16 via the gear formations 14 and the bearings 7. At the same time, the pivot bearings 7 and the gear projections 14 serve to pivot the lighting devices 2 in the lighting device 1 and to focus or scatter the emitting light. The pivoting takes place in which at one point in the illumination device 1, an actuating unit between two of the corresponding Zahnradanformungen 14 is introduced. By means of this actuator can then be made a pivoting. In an advantageous embodiment of the invention, this is done by an electric motor. In another embodiment, a mechanical actuator is provided which then moves the gearwheel projections 14, i. rotates.

In the gear projections 14 each recesses 23 in the housing 5 are arranged. These recesses 23 are introduced into the inside of the housing 5 and not visible from the outside. In these recesses 23 sliding contacts can be inserted or a power supply to the Zahnradanformungen 14th

In Fig. 22 an enlarged section in the area of the illumination device 1 of the gear projections 14 is shown. Two gear formations 14 engage positively in one another. In addition, sliding contacts 22 can be inserted into the recesses 23, in order to ensure a secure power transmission between the Zahnradanformungen 14. These sliding contacts 22 can also be used in a simple embodiment for the power supply or power supply of the lighting devices 2. In particular, by contacting one of the sliding contacts 22 for all in a row lying lighting devices 2, the power supply via only one feed point.

In a further advantageous embodiment of the invention, the sliding contacts 22 are designed as contact springs.

In a further advantageous embodiment of the invention, the sliding contacts 22 contact the arranged in the recesses of the Zahnradanformungen 14 contacts. In this way, a particularly reliable power management can be ensured.

In a further embodiment of the invention, the Zahnradanformungen 14 and / or the pivot bearings 7 are made of metal or other, highly conductive material.

In a further embodiment of the invention, the sliding contacts 22 are designed as current conductors and thus enable a radial power supply to one and / or a plurality of lighting devices 2 via the Zahnradanformungen fourteenth

The FIGS. 23 to 26 This consists of a top and bottom shell 20, 21 and two intermediate inserts 18, 19, in particular a transparent intermediate insert 18 and a transparent insert 19 with recesses. In the recesses of the insert 19 with formations then the mechanical components, which are associated with the lighting devices 2, such as the Zahnradanformungen 14 can be used in intended areas. In this way, a sandwich construction can be made possible. The sandwich construction and the core of the lighting device 1 consist of the transparent inserts 18, 19. The upper and lower shell 20, 21 each form covers. Due to the configuration of the size of the upper and lower shell 20, 21, a decorative light emission on the side of the illumination device 1, in the transition region between the upper and lower shell 20, 21 and the inserts 18, 19 is formed. Furthermore, the stability is increased by the sandwich construction.

The lighting devices 2 in the lighting device 1, which are mounted on a circular path around the center of the lighting device 1, are connected in series. This makes it possible only where the first and last lighting device 2 of a ring meet to make a modified power flow. This is done by a cable and sliding contacts. This simplifies the construction of the entire lighting device 1.

LIST OF REFERENCE NUMBERS

1

lighting device

2

lighting device

3

recess

4

Heatsink / cooling fins

5

casing

6

Breakthrough / middle

7

pivot bearing

8th

first housing part (including cooling fins)

9

second housing part (including reflector)

10

further cooling ribs

11

foursome

12

two group

13

power supply

14

Zahnradanformung

15

reflector

16

light-emitting element or socket

17

clamp

18

interlining

19

Insert with recesses

20

Upper cover shell

21

Lower cover shell

22

sliding contact

23

recess

Claims (15)

1. Illuminating equipment (1) with a housing (5) for receiving at least one illuminating device (2), wherein the at least one illuminating device (2) is pivotably mounted in the housing (5), at least one pivot bearing (7) is provided for the at least one illuminating device (2) and the current feed for the at least one illuminating device (2) is carried out by way of or through the pivot bearing (7), the at least one illuminating device (2) consists of a first and second housing part (8, 9) which are connectible by means of mechanical connections, particularly by way of plug connections, characterised in that the first housing part (8) of the at least one illuminating device (2) comprises a mount for receiving at least one light-emitting unit (16) and that a reflector (15) for focussing or diffusing and/or dispersing the light radiated by the at least one light-emitting unit (16) is arranged in the second housing part (9) and at least one gearwheel or at least one flexible shaft, by means of which the at least one illuminating device (2) is coupled and pivotable, is arranged in the housing (5).
2. Illuminating equipment (1) according to claim 1, characterised in that the illuminating equipment (1) is a lamp and/or the housing (5) of the illuminating equipment (1) is a component of a round, cornered or polygonal lamp shade or a lamp shade having a free rotational shape and/or the height of the housing (5) of the illuminating equipment (1) is 1 centimetre to 6 centimetres, preferably 1.5 centimetres to 3 centimetres, and the height of the at least illuminating device (2) does not exceed the height of the housing (5) of the illuminating equipment.
3. Illuminating equipment (1) according to one or more of the preceding claims, characterised in that the pivot bearing (7) has a hollow shaft at least at one side.
4. Illuminating device (1) according to one or more of the preceding claims, characterised in that the housing (5) of the illuminating equipment (1) with an encircling screen is usable as a ceiling or wall lamp in correspondingly shaped passages or to be freely hanging or as a work light with a foot and/or the housing (5) of the illuminating equipment (1) consists of metal or plastics material and/or the housing (8, 9) of the illuminating device (2), but at least the first housing part (8) of the at least one illuminating device (2), consists of metal, aluminium or another material with good thermal conductivity.
5. Illuminating equipment (1) according to one or more of the preceding claims, characterised in that the at least one illuminating device (2) is provided for reception of at least one light-emitting unit (16) and the light-emitting unit (16) is a lighting means or a luminous material cell or a diode, particularly a light-emitting diode or a composite of several light-emitting diodes.
6. Illuminating equipment (1) according to one or more of the preceding claims, characterised in that the at least one illuminating device (2) consists of a first and a second housing part (8, 9), which are connectible by means of mechanical connections, particularly by way of plug connections, and/or the at least one illuminating device (2) is pivotable about its pivot bearing (7) through almost 360°.
7. Illuminating equipment (1) according to one or more of the preceding claims, characterised in that several illuminating devices (2) are arranged adjacent to one another in the illuminating equipment (1) and these illuminating devices (2) are coupled together and pivotable in common.
8. Illuminating equipment (1) according to one or more of the preceding claims, characterised in that the illuminating devices (2) and/or the at least one illuminating device (2) is or are arranged in recesses (3) in the housing (5) of the illuminating equipment (1) and that the pivot bearing (7) enters into the housing (5) or bearing pins are present in the housing (5) of the illuminating equipment (1) in order to receiving the hollow shafts of the pivot bearing (7).
9. Illuminating equipment (1) according to one or more of the preceding claims, characterised in that the first housing part (8) of the at least one illuminating device (2) has cooling ribs (4).
10. Illuminating equipment (1) according to one or more of the preceding claims, characterised in that the second housing part (9) of the at least one illuminating device (2) consists of metal or plastics material and a reflector (15) is inserted in the second housing part (9) of the at least one illuminating device (2) or the housing part (9) consists of transparent or semi-transparent material and is shaped as a reflector integrated in the second housing part (9) of the at least one illuminating device (2).
11. Illuminating device (1) according to one or more of the preceding claims, characterised in that arranged at the pivot bearings (7) is at least one gearwheel formation (14) which engages in a further gearwheel formation (14) arranged at a further pivot bearing (7), the illuminating devices (2) being pivotable in the illuminating equipment (1) by way of the pivot bearings (7) and the gearwheel formations (14) by means of a device arranged in the illuminating equipment (1).
12. Illuminating equipment (1) according to one or more of the preceding claims, characterised in that the illuminating devices (2) are arranged in the illuminating equipment (1) symmetrically about the centre (6) of the illuminating equipment (1) on a circular path or radially about the centre (6) of the illuminating equipment (1) and/or the illuminating devices (2) are arranged equidistantly on this circular path or radially about the centre (6) of the illuminating equipment (1) and are electrically connected in series.
13. Illuminating equipment (1) according to one or more of the preceding claims, characterised in that the current feed to the illuminating devices (2) takes place by way of the gearwheel formations (14) and the pivot bearings (7).
14. Illuminating equipment (1) according to claim 13, characterised in that contact locations for conducting current are arranged in the depressions of the gearwheel formations (14).
15. Illuminating equipment (1) according to one or more of the preceding claims, characterised in that the housing (5) of the illuminating equipment (1) consists of two transparent elements (18, 19), which form an inner core and a respective upper and lower cover (20, 21) can be mounted on these transparent elements (18, 19), the illuminating equipment (1), preferably the housing (5) of the illuminating equipment (1), forming a sandwich structure.

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