Radiation device for a lighting system and lighting system

Abstract

A radiation device (10) for a lighting system (100) comprises a holder (1) with an electrical base contact component (1a) for a radiation head (2); a radiation head (2) which is connected or connectable to the electrical base contact component (1a) and comprises a light source (3) and an electrical contact device (4), wherein the electrical contact device (4) comprises a wireless pivoting contact (4a) with which the radiation head (2) can be rotated about a pivot axis (5) extending from the holder (1) to the radiation head (2), wherein the wireless pivoting contact (4a) further comprises a cylindrical contact (4az) which can be inserted into the electrical base contact component (1a) and along the pivot axis (5) with a contact pin (1ak), and / or the electrical contact device (4) comprises a wireless tilting contact (4b) with which the radiation head (2) can be rotated about a tilt axis (6).which runs perpendicular to the pivot axis (5) and through the radiation head (2), wherein the wireless tilting contact (4b) comprises a ring contact (4bk), on the outside of which a sliding contact (4bg) rests, wherein the tilting axis (6) runs through a ring center point of the ring contact (4bk).

Description

TECHNICAL FIELD OF THE INVENTION

[0001] The invention relates to a radiation device for a lighting system and a lighting system. TECHNICAL BACKGROUND

[0002] Lighting systems offer the possibility of positioning and aligning lighting devices at specific positions if a twisting or pivoting mechanism is present on a radiation unit.

[0003] Support brackets of such lighting systems serve as mechanical mounting means for securing the luminaires to their designated positions, where the emitting unit and the emitted light cone can then be aligned in the desired spatial direction. Such emitting units can advantageously be movable along at least one degree of freedom. In conventional lighting systems, the electrical connection between the emitting unit and the support bracket can be routed via a cable, which can, however, restrict the alignment movement of the emitting unit. In this case, pivoting the emitting unit beyond a rotation of 360°, for example, can be difficult to achieve.

[0004] An electrical connection via a cable can be limited by the length of the cable when it moves. Furthermore, severe and / or frequent deformation of the cable can lead to breakage, resulting in contact failures. Furthermore, a cable can cause additional stiffness in the cable itself, which can be undesirable, especially for very small luminaires.

[0005] Therefore, it is desirable to provide an electrical connection in a movable portion of the radiating unit which is not limited by the length of an electrical connection cable.

[0006] The publication DE 10 2014 205 663 B4 describes a holding arrangement for a functional component of a lighting device, as well as a lighting device. A functional component can be pivotably mounted in a gimbal manner by means of the holding arrangement to enable alignment of the functional component mounted in this manner. SUMMARY OF THE INVENTION

[0007] One of the objects of the invention is to find solutions for lighting systems and their emitting unit which allow greater flexibility with regard to movement of the emitting unit in the area of ​​an electrical connection and which can dispense with electrical connecting cables.

[0008] These and other objects are achieved by a radiation device having the features of claim 1 and by a lighting system having the features of claim 15.

[0009] According to a first aspect of the invention, the emitting device for a lighting system comprises a holder with an electrical base contact component for a emitting head;a radiation head which is connected or connectable to the electrical base contact component and comprises a lighting means and an electrical contact device, wherein the electrical contact device comprises a wireless pivoting contact with which the radiation head can be rotated about a pivot axis which extends from the holder to the radiation head, wherein the wireless pivoting contact further comprises a cylindrical contact which can be inserted into the electrical base contact component and along the pivot axis with a contact pin, and / or the electrical contact device comprises a wireless tilting contact with which the radiation head can be rotated about a tilt axis which runs perpendicular to the pivot axis and through the radiation head, wherein the wireless tilting contact comprises a ring contact, on the outside of which a sliding contact rests, wherein the tilting axis runs through a ring center point of the ring contact;

[0010] The wireless swivel contact and the wireless tilt contact are each mechanical and electrical contacts.

[0011] One idea underlying the present invention is to achieve a pivoting and / or tilting movement of the radiation head in the area of ​​the electrical contact guide without having to route a cable contact over the movement point. The electrical contact guide can be achieved by contact components that are movable relative to one another, whereby electrically conductive components touch one another and can be moved relative to one another.

[0012] The emitting head can be permanently connected to the holder and electrically connected to the electrical base contact component, and can have only the tilting contact in the emitting head, perhaps spaced apart from the holder, or it can also have (or instead of) a wireless swivel contact, which can be plugged into the holder and can also be removed when the emitting head is removed from the holder. In the latter case, the emitting head can advantageously be pluggable and removable. The contact pin can be inserted into a central recess in the cylindrical contact.

[0013] According to a first aspect of the invention, the lighting system comprises at least one support carrier with at least one radiation device according to the invention arranged thereon, wherein the holder with the electrical base contact component for the radiation head is arranged on the support carrier.

[0014] A support bracket according to the invention is not limited to specific transverse profiles or cross-sections or design embodiments. For example, the support bracket can be formed with a rectangular cross-section and an elongated extension along one or more directions, such as with sequentially arranged sections. The bracket or multiple brackets can be located on one or more sides of the support bracket, which are adjacent to or facing away from a mounting side of the support bracket.

[0015] On the support beam, one or more brackets may extend away from the support beam at a certain angle.

[0016] Advantageous embodiments and further developments emerge from the further subclaims and from the description with reference to the figures. According to a further development of the emitting device, the sliding contact is connected to the illuminant, and the sliding contact and the ring contact are arranged within the emitting head.

[0017] The illuminant can, for example, comprise at least one LED, which can be arranged in a dedicated socket in the radiating head toward the radiating side of the head. The housing of the radiating head, including the radiating side and the contact guide between the sliding contact and the illuminant, can be rigidly rotated together with the sliding contact around the tilt axis and / or rotated around the pivot axis.

[0018] According to a further development of the radiating device, the sliding contact comprises a first sliding contact and a second sliding contact, each as partial contacts, and the ring contact comprises a first ring contact and a second ring contact, each as partial contacts, for a positive and negative direct current connection of the illuminant, wherein the first sliding contact and the second sliding contact are arranged next to one another along a direction parallel to the tilt axis and each extend in a curved shape to the associated ring contact, and wherein the first ring contact and the second ring contact are arranged next to one another along the tilt axis.

[0019] The DC polarity can advantageously be fed to the lamp with a positive pole and a negative pole via the first and second sliding contacts, which can be connected to the corresponding ring contacts. The sliding contacts can advantageously have arc symmetry and press against the ring contacts along their curvature, preferably under a certain mechanical tension, so that contact can be maintained even during tilting. Due to the adjacent arrangement, the tilting movement can occur simultaneously and to the same extent at both poles (first and second sliding contacts).

[0020] According to a further development of the radiation device, the wireless tilting contact allows a rotation of the radiation head by a predetermined angle of less than 180° relative to the pivot axis and / or the wireless pivoting contact allows a rotation of the radiation head by greater than or equal to 360° around the pivot axis.

[0021] The longitudinal extension of the housing of the radiation head can advantageously run along the pivot axis in the non-tilted state of the radiation head, whereby tilting away from this can then occur, for example by 90 ° or more.

[0022] According to a further development of the radiation device, the cylindrical contact of the wireless pivoting contact extends out of the radiation head at a first end thereof, wherein the first end faces away from a radiation side of the radiation head.

[0023] The contact with the electrical base contact component and the enclosure in the holder can be made at a predetermined distance from the housing of the radiation head.

[0024] The electrical base contact component may be a connection to an electrical wiring in the support bracket of the luminaire system.

[0025] The electrical base contact component itself can comprise a contact pin that can be inserted into the interior of the cylindrical contact of the emitting head. If the emitting device does not comprise a pivoting contact, the electrical base contact component can be connected directly to the conductors in the emitting head. The electrical base contact component can be connected to electrical conductors in the support bracket of the lighting system, whereby the electrical conductors in the support bracket can be implemented as cables or wirelessly as contacts with conductor tracks, rails, circuit boards, or the like.

[0026] According to a further development of the radiating device, the cylindrical contact of the wireless swivel contact is connected to the ring contact of the wireless tilting contact through the interior of the radiating head.

[0027] The contact guide to the ring contact can advantageously lead into the interior of the radiation head.

[0028] According to a further development of the radiation device, the radiation head comprises a hollow housing component and a mounting element, in which mounting element the cylindrical contact of the wireless pivoting contact and the ring contact of the wireless tilting contact are mounted and connected to one another, and the mounting element comprises on its outer side two pivot pins along the tilting axis, which are engaged in corresponding recesses in the hollow housing component and are rotatable with the mounting element relative to the hollow housing component about the tilting axis.

[0029] The edging element can achieve a tilting movement of the edging element relative to the hollow housing component, whereby the radiation head can be tilted relative to the pivot axis.

[0030] According to a further development of the radiation device, the contact pin and the cylindrical contact plugged together with it mechanically fix the radiation head to the holder against movement along the pivot axis.

[0031] The cylindrical contact can remain guided along the pivot axis and the radiating head can be tilted relative to it, whereby the housing of the radiating head can have a recess for the cylindrical contact in the region of the tilt relative to the cylindrical contact.

[0032] According to a further development of the radiation device, the radiation head has a weight of less than or equal to 10 g.

[0033] According to a further development of the radiation device, an outer housing of the radiation head has a length along its cylindrical axis of symmetry of less than or equal to 21 mm.

[0034] According to a further development of the radiation device, in the non-tilted state, a length of the radiation head from its radiation side to the end of the cylindrical contact is less than or equal to 29.5 mm.

[0035] According to a further development of the radiation device, the holder has a diameter of less than or equal to 9 mm.

[0036] According to a further development of the radiation device, an outer housing of the radiation head has an outer diameter of less than or equal to 30 mm. According to a further development of the radiation device, the cylindrical contact has a plastic cap at its end.

[0037] According to a further development of the lighting system, the support beam can be oriented horizontally, vertically or tilted relative to a weight force.

[0038] The lighting system can be conveniently mounted on a ceiling or wall. Due to its compact size, the system's mounting bracket also makes it ideal for mounting on a wall or ceiling of display shelves, showcases, etc. (Suspended mounting is also possible). The mounting bracket can be mounted on a bracket or detached from a ceiling or wall, for example, on a freestanding bracket or frame.

[0039] According to a further development of the lighting system, the support bracket can be mounted on a ceiling or side wall of a room or a piece of furniture or can be mounted on a free-standing bracket or is itself designed as a free-standing bracket.

[0040] The above embodiments and further developments can be combined with one another as desired, where appropriate. Further possible embodiments, further developments, and implementations of the invention also include combinations of features of the invention not explicitly mentioned above or described below with regard to the exemplary embodiments. In particular, those skilled in the art will also add individual aspects as improvements or additions to the respective basic form of the present invention. SHORT SUMMARY OF THE CHARACTERS

[0041] The present invention is explained in more detail below with reference to the exemplary embodiments shown in the schematic figures. They show: Fig. 1 a schematic representation of a lighting system according to an embodiment of the present invention; Fig. 2 perspective views of a radiation head in a radiation device in a holder of the lighting system according to an embodiment of the present invention; Fig. 3a a longitudinal section through a radiation head in a radiation device according to an embodiment of the present invention; Fig. 3b a perspective top view and a perspective oblique view of a radiation head in a radiation device according to an embodiment of the present invention; and Fig. 4 an exploded view of the radiation head according to an embodiment of the present invention.

[0042] The accompanying figures are intended to provide a further understanding of embodiments of the invention. They illustrate embodiments and, in conjunction with the description, serve to explain principles and concepts of the invention. Other embodiments and many of the noted advantages will be apparent upon review of the drawings. Elements of the drawings are not necessarily shown to scale. Directional terminology such as "top," "bottom," "left," "right," "above," "below," "horizontal," "vertical," "front," "rear," and similar terms are used for illustrative purposes only and are not intended to limit generality to specific embodiments shown in the figures.

[0043] In the figures of the drawing, identical, functionally identical and acting elements, features and components are provided with the same reference symbols, unless otherwise stated. DETAILED DESCRIPTION OF EMBODIMENTS

[0044] Fig. 1 shows a schematic representation of a lighting system according to an embodiment of the present invention.

[0045] In the Fig. 1 a lighting system 100 is shown with a support bracket 110 with several emitting devices 10 according to the invention arranged thereon, wherein the holder 1 with the electrical base contact component 1a for the emitting head 2 is arranged on the support bracket 110. The support bracket 110 according to the Fig. 1 may comprise six emitting devices 10, although this is merely an exemplary embodiment, and the number of emitting devices 10 may also vary. The emitting devices 10 may be arranged at predetermined positions on the support carrier 110, for example, equidistant from one another or deviating therefrom.

[0046] According to the invention, the emitting devices 10 can comprise a holder 1 with an electrical base contact component 1a in the holder 1 for connection to the emitting head 2. It is possible for the emitting head 2 to be firmly connected to the electrical base contact component 1a or to be detachably connected thereto, wherein a cylindrical contact 4az can be inserted into and removed from the holder 1. In the latter case, a wireless, electrically detachable connection can be provided between the holder 1 and the emitting head 2, and the emitting head 2 can be rotatable about a pivot axis (not shown), wherein a cable for contacting at this point can be dispensed with.

[0047] The electrical base contact component 1a may include a contact pin 1ak (shown only symbolically), which can be inserted into the cylindrical contact 4az. A surround can then hold the cylindrical contact 4az in position, advantageously also against the weight of the radiating head 2.

[0048] In the Fig. 1 For this purpose, the two radiation heads 2 are shown on the right side of the support bracket 110 separated from the support bracket 110, whereby to clarify the components of the radiation head 2, an exploded view similar to the Fig. 4 is shown.

[0049] Fig. 2 shows a perspective sectional view of a radiation head in a radiation device in a holder of the lighting system according to an embodiment of the present invention.

[0050] The right and left drawing of the Fig. 2 show the radiation device 10, which is attached to the support bracket 110 of the lighting system 100 with the holder 1. The radiation head 2 can be rotated about the pivot axis 5, as shown by comparing the two drawings, and tilted relative to the pivot axis 5, for example, by a predetermined angle deviating from the vertical orientation of the radiation head 2.

[0051] The holder 1 can be fixed to the support bracket 110 of the lighting system 100 and extend away from the support bracket 110. In the Fig. 2 is a

[0052] Cross-section through the longitudinal extent of the support bracket 110. This shows that the electrical base contact component 1a for the radiation head 2 can also extend partially into the support bracket 110 and can be connected there to an electrical connection in the support bracket 110.

[0053] Regarding the size dimensions, an exemplary distance between the electrical connection in the support bracket 110 and the bottom of the radiation head 2 may be approximately 51.7 mm and an outer radius of the cylindrical radiation head 2 may be, for example, 30 mm.

[0054] Fig. 3a shows a longitudinal section through a radiation head in a radiation device according to an embodiment of the present invention.

[0055] The radiation head 2 comprises a lighting means 3 and an electrical contact device 4, wherein the electrical contact device 4 comprises a wireless pivoting contact 4a, with which the radiation head 2 can be rotated about a pivot axis (not shown), wherein the wireless pivoting contact 4a further comprises a cylindrical contact 4az, which can be inserted with a contact pin into the electrical base contact component and along the pivot axis. Furthermore, the electrical contact device 4 can comprise a wireless tilting contact 4b, with which the radiation head 2 can be rotated about a tilting axis (not shown), wherein the wireless tilting contact 4b comprises a ring contact 4bk, on the outside of which a sliding contact 4bg rests, wherein the tilting axis runs through a ring center point of the ring contact 4bk.

[0056] The sliding contact 4bg can be connected to the illuminant 3 and the sliding contact 4bg and the ring contact 4bk can be arranged within the radiation head 2.

[0057] Furthermore, the cylindrical contact 4az of the wireless pivoting contact 4a can extend out of the emitting head 2 at a first end E1, wherein the first end E1 faces away from a radiation side AS of the emitting head 2. The emitting head 2 can have a cylindrical outer housing AG.

[0058] The cylindrical contact 4az can be tilted against the longitudinal direction of the cylindrical outer housing AG of the radiating head 2, for which purpose a recess is provided at the first end E1 of the radiating head in the cylindrical outer housing, so that the cylindrical contact 4az can be tilted upwards there. In this case, the ring contact 4bk can be tilted in the illustration of the Fig. 3a Turn clockwise and rub the sliding contact 4bg attached to it.

[0059] Fig. 3b shows a perspective top view and a perspective oblique view of a radiation head in a radiation device according to an embodiment of the present invention.

[0060] The left drawing of the Fig. 3b shows the cylindrical outer housing AG of the radiation head 2 in a plan view from above, wherein a recess may be present in the cylindrical outer housing AG facing the first end E1, so that the cylindrical contact 4az can advantageously be tilted out of the symmetry axis of the radiation head 2. However, the ring contact can be connected to the sliding contact (according to Fig. 3a ) remain connected. The recess can face away from the radiation side AS.

[0061] The right drawing of the Fig. 3b shows the cylindrical radiation head 2 from the outside, in particular with the circular radiation side AS and the cylindrical contact 4az on the opposite side of the radiation head 2.

[0062] Fig. 4 shows an exploded view of the radiation head according to an embodiment of the present invention.

[0063] The radiation head 2 can have a cylindrical outer housing AG, in which all other components of the radiation head 2 can be enclosed.

[0064] The cylindrical contact 4az of the wireless pivoting contact 4a can be connected to the ring contact 4bk of the wireless tilting contact 4b through the interior of the radiating head 2. For this purpose, a cylindrical inner body ik can be provided, in which the cylindrical contact and an electrical line to the ring contact can be guided, and the ring contact 4k can be firmly enclosed. The inner body ik can be enclosed in a framing element 7.

[0065] For this purpose, the radiation head 2 can comprise a hollow housing component 11 and the enclosing element 7, in which enclosing element 7 the cylindrical contact 4az with the inner body ik can be enclosed, and the enclosing element 7 can comprise on its outer side two pivot pins 8 along the tilt axis 6, which are engaged in corresponding recesses 9 in the hollow housing component 11 and, when plugged together, can be rotated with the enclosing element 7 relative to the hollow housing component 11 about the tilt axis 6. The sliding contact 4bg can be comprised with an electrical conductor guide in a plastic base kb, which can be inserted in the hollow housing component 11. The electrical conductor guide can be connected to the illuminant 3.On a front side, an electronics unit EK (for example a printed circuit board) for the illuminant 3 can be arranged in the hollow housing component 11, as well as further elements, for example a radiation reflector AR, a mounting thread EG and a transparent cover AD, which can close off the radiation head AS on the radiation side AS.

[0066] At the end of the cylindrical contact 4az, it can have a plastic cap kp, with which it can be inserted into the electrical base contact component of the holder (not shown).

[0067] Optionally, a fixing pin FS can be inserted into the hollow housing component 11, which can extend through some of the components inside the hollow housing component 11 and can fix them against rotation relative to each other.

[0068] It should be noted that for the DC contact, the sliding contact 4bg can comprise a first sliding contact 4bg-1 and a second sliding contact 4bg-2 and the ring contact 4bk can comprise a first ring contact 4bk-1 and a second ring contact 4bk-2 for a positive and negative DC connection of the lighting means 3, wherein the first sliding contact 4bg-1 and the second sliding contact 4bg-2 are arranged next to one another along a direction parallel to the tilt axis 6 and can each extend in a curved shape to the associated ring contact 4bk-1, 4bk-2 and wherein the first ring contact 4bk-1 and the second ring contact 4bk-2 can be arranged next to one another along the tilt axis 6.

[0069] The hollow housing component 11 may be a heat sink.

[0070] In the foregoing detailed description, various features have been combined into one or more examples for clarity of illustration. It should be understood, however, that the above description is merely illustrative and not restrictive in nature. It is intended to cover all alternatives, modifications, and equivalents of the various features and embodiments. Many other examples will be readily apparent to those skilled in the art based on their skill in the art in light of the above description.

[0071] The embodiments were chosen and described in order to best illustrate the principles underlying the invention and their possible practical applications. This will enable those skilled in the art to optimally modify and utilize the invention and its various embodiments with respect to the intended purpose. In the claims and the description, the terms "including" and "having" are used as neutral language terms for the corresponding term "comprising." Furthermore, the use of the terms "a," "an," and "an" is not intended to exclude a plurality of such described features and components. LIST OF REFERENCE SYMBOLS

[0072] 1 Bracket 1a Electrical base contact component 1ak Contact pin 2 Emitting head 3 Lamp 4 Electrical contact device 4a Wireless swivel contact 4a Cylindrical contact 4b Wireless tilting contact 4bg Sliding contact 4bg-1 First sliding contact 4bg-2 Second sliding contact 4bk Ring contact 4bk-1 First ring contact 4bk-2 Second ring contact 5 Swivel axis 6 Tilting axis 7 Mounting element 8 Pivoting pin 9 Recess 10 Emitting device 11 Hollow housing component 100 Luminaire system 110 Supporting carrier AD Transparent cover AG Cylindrical outer housing AR Emitting reflector AS Emitting side E1 First end EG Mounting thread EK Electronics FS Fixing pin ik Inner body kb Plastic base kp Plastic cap

Claims

1. A radiation device (10) for a lighting system (100), comprising: - a holder (1) with an electrical base contact component (1a) for a radiation head (2); - a radiation head (2) which is connected or connectable to the electrical base contact component (1a) and comprises a light source (3) and an electrical contact device (4), wherein the electrical contact device (4) comprises a wireless pivoting contact (4a) with which the radiation head (2) can be rotated about a pivot axis (5) extending from the holder (1) to the radiation head (2), wherein the wireless pivoting contact (4a) further comprises a cylindrical contact (4az) which can be inserted into the electrical base contact component (1a) and along the pivot axis (5) with a contact pin (1ak), and / or the electrical contact device (4) comprises a wireless tilting contact (4b) with which the radiation head (2) can be rotated about a tilt axis (6),which runs perpendicular to the pivot axis (5) and through the radiation head (2), wherein the wireless tilting contact (4b) comprises a ring contact (4bk), on the outside of which a sliding contact (4bg) rests, wherein the tilting axis (6) runs through a ring center point of the ring contact (4bk).

2. Radiating device (10) according to claim 1, wherein the sliding contact (4bg) is connected to the illuminating means (3) and the sliding contact (4bg) and the ring contact (4bk) are arranged within the radiation head (2).

3. Radiating device (10) according to claim 1 or 2, wherein the sliding contact (4bg) comprises a first sliding contact (4bg-1) and a second sliding contact (4bg-2) and the annular contact (4bk) comprises a first annular contact (4bk-1) and a second annular contact (4bk-2) for a positive and negative direct current connection of the illuminant (3), wherein the first sliding contact (4bg-1) and the second sliding contact (4bg-2) are arranged next to one another along a direction parallel to the tilt axis (6) and each extend in a curved shape to the associated annular contact (4bk-1, 4bk-2), and wherein the first annular contact (4bk-1) and the second annular contact (4bk-2) are arranged next to one another along the tilt axis (6).

4. Radiating device (10) according to one of claims 1 to 3, wherein the wireless tilting contact (4b) allows a rotation of the radiating head (2) by a predetermined angle of less than 180° relative to the pivot axis (5) and / or the wireless pivoting contact (4a) allows a rotation of the radiating head (2) by greater than or equal to 360° about the pivot axis (5).

5. Radiating device (10) according to one of claims 1 to 4, wherein the cylindrical contact (4az) of the wireless pivoting contact (4a) extends out of the radiating head (2) at a first end (E1), the first end (E1) facing away from a radiating side (AS) of the radiating head (2).

6. Radiating device (10) according to one of claims 1 to 5, wherein the cylindrical contact (4az) of the wireless pivoting contact (4a) is connected to the ring contact (4bk) of the wireless tilting contact (4b) through the interior of the radiating head (2).

7. Radiating device (10) according to one of claims 1 to 6, wherein the radiation head (2) comprises a hollow housing component (11) and a mounting element (7), in which mounting element (7) the cylindrical contact (4az) of the wireless pivoting contact (4a) and the ring contact (4bk) of the wireless tilting contact (4b) are mounted and connected to one another, and the mounting element (7) comprises on its outer side two pivot pins (8) along the tilting axis (6), which pivot pins are engaged in associated recesses (9) in the hollow housing component (11) and are rotatable with the mounting element (7) relative to the hollow housing component (11) about the tilting axis (6).

8. Radiating device (10) according to one of claims 1 to 7, wherein the contact pin (1ak) and the cylindrical contact (4az) plugged together with it mechanically fix the radiation head (2) to the holder (1) against movement along the pivot axis (5).

9. Radiating device (10) according to one of claims 1 to 8, wherein the radiation head (2) has a weight of less than or equal to 10 g.

10. Radiating device (10) according to one of claims 1 to 9, wherein an outer housing (AG) of the radiation head (2) has a length along its cylindrical axis of symmetry of less than or equal to 21 mm.

11. Radiating device (10) according to one of claims 1 to 10, wherein in the non-tilted state a length of the radiation head (2) from its radiation side (AS) to the end of the cylindrical contact (4az) is less than or equal to 29.5 mm.

12. Radiating device (10) according to one of claims 1 to 11, wherein the holder (1) has a diameter of less than or equal to 9 mm, and / or an outer housing (AG) of the radiation head (2) has an outer diameter of less than or equal to 30 mm, and / or the cylindrical contact (4az) has a plastic cap at its end.

13. Lighting system (100) comprising - at least one support bracket (110) with at least one emitting device (10) arranged thereon according to one of claims 1 to 12, wherein the holder (1) with the electrical base contact component (1a) for the emitting head (2) is arranged on the support bracket (110).

14. Lighting system (100) according to claim 13, wherein the support bracket (110) can be oriented horizontally, vertically or tilted relative to a weight force.

15. Lighting system (100) according to claim 13 or 14, wherein the support bracket (110) is mountable on a ceiling or side wall of a room or a piece of furniture or is mountable on a free-standing bracket or is itself designed as a free-standing bracket.

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