EP2910846A1 - Illumination unit and support structure for the same - Google Patents

Abstract

Illumination unit for a decorative lamp with at least one light source, with a circuit carrier carrying the at least one light source, with an optics assigned to the light source for providing a light distribution, with a control module for the at least one light source and with a carrier body on which the circuit carrier with the light source and / or the optics and / or the control module are indirectly and / or directly fixed, wherein the support body is formed in a longitudinal direction of the same elongated and at least partially has a constant cross-section.

Description

The invention relates to a lighting unit for a decorative lamp, in particular for a light laterally and downwardly radiating mushroom lamp, as provided in particular as outdoor lamp in public places, in parks or on streets.

Furthermore, the invention relates to a carrier body for the lighting unit.

From the US 2009/0147521 A1 a lighting unit for a decorative lamp is known in which a plurality of light-emitting diodes is installed as light sources on a substantially horizontally extending in the assembled state board. The circuit carrier with the LEDs is provided in the region of a hood of the decorative lamp so that the LEDs are mounted on a bottom of the circuit substrate and emit their light substantially vertically downwards. The light emitted by the light-emitting diode strikes a cone-shaped body, which is mounted as optics in a lower region of a lamp housing and deflects the light laterally and downwards. The deflected at the optics light is then emitted via laterally provided on the decorative lamp cover lenses.

The object of the present invention is to provide a lighting unit comprising the circuit carrier with the light-emitting diodes, the optics, a control module for operating the light sources in the most compact and cost-effective form as a light source for the decorative light and to specify a carrier body for the lighting unit. The lighting unit thus created is to be mounted in particular as a replacement means instead of conventional lamps in decorative lights.

To achieve the object, the invention has the features of independent claim 1.

The particular advantage of the invention is that, by providing two or more different types of fastening means, mounting components of the lighting unit can be fixed to the carrier body in a simple manner. In particular, optics, a circuit carrier equipped with illuminants, a heat sink or a drive module of the illumination device on the carrier body can be defined as add-on components. The fastening means may in particular be provided at a distance from one another, so that a uniform fastening of the attachment components to the carrier body can be realized. The carrier body is thus widely used and flexible. The different types of fastening means may be associated with each other with respect to the transverse center plane of the support body. In particular, the fastening means may be formed in the region of the wall. By the fastening means are integrally formed on the wall, simplifies the structure of the carrier body. In particular, it is possible to form the fastening means already during the production of the carrier body, in particular during the manufacture of the profile. The symmetrical arrangement of the fastening means relative to the transverse center plane counteracts incorrect assembly.

In particular, within the scope of a further development of the invention, it may be provided that a first fastening means has a fastening recess with a first diameter extending in the longitudinal direction of the support body and a second fastening means having a fastening recess also extending in the longitudinal direction, which is larger in cross section is as the circular mounting recess of the first fastener. The second attachment recess may, for example, likewise have a circular cross section.

The carrier body is preferably elongate in the transverse center plane and provides a longitudinal recess surrounded at least in sections by the wall, which preferably extends in a longitudinal direction of the carrier body. Advantageously, by providing the longitudinal recess for a material and weight can be saved. The handling of the carrier body thereby simplifies. In addition, the costs are reduced. On the other hand, the longitudinal recess offers the possibility of accommodating functional components of the lighting unit. For example, a control module for the lighting unit can be arranged in the longitudinal recess and thus provided concealed in the carrier body. This results in an aesthetically pleasing shape for the lighting unit. In addition, the provision of the longitudinal recess and the arrangement of the drive module in the longitudinal recess favor the compact construction of the lighting unit.

For example, the fastening means may protrude from the wall in the direction of the longitudinal recess. As a result, they are hidden from view of an outside observer.

According to a development of the invention, positioning means are provided on the carrier body, which serve to fix the circuit carrier, the optics, the control module or a connection means for connecting the carrier body with the decorative light on the carrier body or to position or align relative thereto. Relative to the transverse center plane of the carrier body, the positioning means may be provided symmetrically. In particular, it can be provided that the positioning means extend in the longitudinal direction of the carrier body. For example, the positioning means can be provided over the entire length of the carrier body. The provision of the positioning means simplifies the correct installation of the lighting unit. By means of the positioning means, components mounted on the carrier body, for example the optics, the circuit carrier, the control module, a heat sink or the like, can be positioned relative to the carrier body and relative to one another. In particular, the relative allocation of the light sources to the optics is crucial for the optical quality of the overall arrangement and the homogeneous, the specification of the corresponding illumination of the environment.

According to a preferred embodiment of the invention, the carrier body is made of a hollow profile or of an extruded profile, preferably of an extruded, extruded or cast profile. Advantageously, by providing such a profile, the carrier body can be produced particularly inexpensively. In addition, when cutting the profile, it is possible to tailor the carrier body individually according to the respective specification and thus to adapt it for different applications. According to the invention, the profile can be used either without further post-processing, or the profile can be at least partially reworked. For example, seat or contact surfaces can be made on the profile.

According to a development of the invention, the wall in any case sections on a longitudinal groove extending in the longitudinal direction. Advantageously, the longitudinal groove of the carrier body can be used to position components fixed to the carrier body, for example the circuit carrier, the optics or the control module, relative to the carrier body. In addition, due to the longitudinal groove of the cultivation of the components can be simplified to the carrier body.

To achieve the object, the invention has the features of independent claim 10.

According to the invention, the illumination unit provides a mechanical carrier body to which the circuit carrier with the light-emitting diodes, the optics and the control module are fixed. The carrier body is preferably made of an elongated profile, in particular of a hollow or extruded profile executed. This makes it possible to design the carrier body inexpensively. In particular, by providing the elongated support body with substantially vertical mounting thereof, the lighting unit can be given an upright and visually appealing shape. The optically active components, in particular the circuit carrier with the light sources and the optics, can be attached to the elongated one Carrier body be mounted so that an impairment of the light distribution is counteracted by the carrier body. In particular, the light sources and the optics can surround the carrier body in such a way that shadowing is avoided. The circuit carrier with the LEDs is preferably oriented horizontally and at 90 ° to the longitudinal direction of the carrier body in the mounted state.

At least one positioning means is provided for positioning and aligning the attachment components on the carrier body. In addition to the positioning means may be provided on the carrier body fastening means. About the attachment means, the optics, the circuit carrier or the control module and the other add-on components on the carrier body non-positively or positively fixed.

According to a development of the invention may be provided as part of the lighting unit, a closure body, which is made of the same hollow or extruded profile as the carrier body. Relative to the transverse center plane, the closure body can be provided rotated by 180 ° and fixed in relation to the carrier body such that elongated connection means, for example screws, are guided by the second attachment recesses provided on the closure body and in the first attachment recesses of the first attachment means provided on the carrier body can be used. If the carrier body provides a longitudinal groove, it can be provided in alignment with the longitudinal groove of the closure body. Advantageously, the closure body can be produced in a particularly favorable manner by the use of the profile. The profile thus has a double use. In particular, the closure body and the carrier body may have a same cross section. With regard to their length, the carrier body and the closure body can be designed individually. The attachable to the carrier body attachment components, in particular the circuit carrier with the light sources, the optics, the control module and the heat sink, can be provided between the carrier body and the closure body. A frictional attachment, for example, by using the through the Befestigungsausnehmungen the closure body guided and fixed in the mounting recesses of the carrier body connecting means are realized. The provision of screws with self-tapping thread as connecting means in this case allows a geometrically simple design of the fastening means on the closure body and the carrier body. In particular, it is possible to dispense with threading in the region of the fastening recesses, in particular in the region of the first fastening recesses.

According to a development of the invention, the carrier body or the closure body may be made of a metallic material or of a plastic. By providing a metallic material, the carrier body and the closure body can simultaneously serve as heat sinks and dissipate heat from the light sources or from the circuit carrier. An electrical insulation can be realized, for example, by an electrical insulation component, preferably an electrical insulation film, being provided between the support body and the closure body on the one hand and the circuit carrier or other current-carrying components of the lighting unit on the other hand.

According to a development of the invention, the carrier body or the closure body can be mounted on the decorative light via a connection means. The connection means may be detachably held on the carrier body or the closure body. Advantageously, by providing the connection means, a flexible mounting of the lighting unit to the decorative light can be realized. The decorative light can be connected for example by the connection means with the carrier body of the lighting unit. For example, the connection means between the closure body of the lighting unit and the decorative light can be provided. In this respect, a standing arrangement of the lighting unit in the decorative lamp can be realized as well as a hanging attachment.

The connection means may be formed, for example, as a metallic connection means. In this respect, heat from the lighting unit, in particular from the carrier body or closure body of the lighting unit, are transmitted via the connection means to the decorative light. Ultimately, this makes it possible to emit heat from the lighting unit via the connection means and a housing of the decorative light or a mast of the decorative light to the environment.

From the other dependent claims and the following detailed description, further advantages, features and details of the invention can be found. There mentioned features may each be essential to the invention individually or in any combination. The drawings are merely exemplary of the clarification of the invention and are not of a restrictive nature.

Fig. 1

eine Seitenansicht einer erfindungsgemäßen Beleuchtungseinheit, welche als Leuchtmittel in eine Dekorleuchte, beispielsweise in eine Licht seitlich und nach unten abstrahlende Pilzleuchte, eingebaut werden kann,

Fig. 2

eine Explosionsdarstellung der Beleuchtungseinheit nach Fig. 1,

Fig. 3

eine Optik der Beleuchtungseinheit nach Fig. 1 in einer perspektivischen Ansicht,

Fig. 4

einen langgestreckt ausgebildeten Trägerkörper der Beleuchtungseinheit nach Fig. 1 in einer perspektivischen Ansicht,

Fig. 5

den Verschlusskörper nach Fig. 5 in einer Draufsicht,

Fig.6

einen Verschlusskörper der Beleuchtungseinheit nach Fig. 1 in einer perspektivischen Ansicht,

Fig.7

ein Ansteuermodul der Beleuchtungseinheit nach Fig. 1 in einer perspektivischen Ansicht,

Fig. 8

eine Aufsicht aus den Trägerkörper der Beleuchtungseinheit mit dem darin festgelegten Ansteuermodul,

Fig. 9

eine Seitenansicht der in Fig. 8 dargestellten teilmontierten Einheit,

Fig. 10

eine Aufsicht auf den Trägerkörper mit dem darin festgelegten Ansteuermodul sowie der angesetzten Optik,

Fig. 11

eine Unterseitenansicht eines Schaltungsträgers der Beleuchtungseinheit nach Fig. 1

Fig. 12

eine Aufsicht auf die teilmontierte Einheit nach Fig. 10, wobei an die Optik zusätzlich der Schaltungsträger nach Fig. 11 und ein Kühlkörper angesetzt sind,

Fig. 13

einen Längsschnitt durch die Beleuchtungseinheit nach Fig. 1 mit einem am Verschlusskörper festgelegten Anschlussmittel,

Fig. 14

eine perspektivische Seitenansicht der Beleuchtungseinheit mit dem Anschlussmittel nach Fig. 12,

Fig. 15

eine alternative Anschlusssituation für die Beleuchtungseinheit nach Fig. 1, wobei das Anschlussmittel an dem Trägerkörper festgelegt ist,

Fig. 16

eine alternative Ausführungsform des Anschlussmittels für die Beleuchtungseinheit sowie die Beleuchtungseinheit selbst in einer perspektivischen Ansicht und

Fig. 17

eine alternative Ausführungsform einer erfindungsgemäßen Beleuchtungseinheit.

Reference to the accompanying drawings, the invention is explained in more detail below. Showing:

Fig. 1

a side view of a lighting unit according to the invention, which can be installed as a light source in a decorative light, for example in a light laterally and downwardly radiating mushroom lamp,

Fig. 2

an exploded view of the lighting unit Fig. 1 .

Fig. 3

an appearance of the lighting unit after Fig. 1 in a perspective view,

Fig. 4

an elongated carrier body of the lighting unit after Fig. 1 in a perspective view,

Fig. 5

after the closure body Fig. 5 in a plan view,

Figure 6

a closure body of the lighting unit after Fig. 1 in a perspective view,

Figure 7

a control module of the lighting unit after Fig. 1 in a perspective view,

Fig. 8

a plan view of the carrier body of the lighting unit with the drive module defined therein,

Fig. 9

a side view of in Fig. 8 shown partially assembled unit,

Fig. 10

a plan view of the carrier body with the drive module defined therein and the attached optics,

Fig. 11

a bottom view of a circuit substrate of the lighting unit after Fig. 1

Fig. 12

a view of the partially assembled unit Fig. 10 , In addition to the optics of the circuit carrier after Fig. 11 and a heat sink are attached,

Fig. 13

a longitudinal section through the lighting unit after Fig. 1 with a connection means fixed to the closure body,

Fig. 14

a perspective side view of the lighting unit with the connection means according to Fig. 12 .

Fig. 15

an alternative connection situation for the lighting unit after Fig. 1 wherein the connection means is fixed to the carrier body,

Fig. 16

an alternative embodiment of the connection means for the lighting unit and the lighting unit itself in a perspective view and

Fig. 17

an alternative embodiment of a lighting unit according to the invention.

A lighting unit 1 according to the invention Fig. 1 comprises as a design-determining components a support body 2, an optic 3 for shaping a predetermined light distribution for the lighting unit 1, a heat applied to the optics 3 4 and a heat sink body 5, which via in Fig. 1 Not shown connecting means 6 is connected to the carrier body 2. The lighting unit 1 serves, for example, as a light source for a decorative light, for example, for a light laterally and downwardly radiating mushroom lamp or another outdoor light. In particular, the lighting unit 1 via a in the Fig. 1 Not shown connecting means 7, 8 are fixed to a housing or a pole of the decorative lamp.

Fig. 2 illustrates the basic structure of the illumination unit 1. In addition to the carrier body 2, the optic 3, the heat sink 4 and the closure body 5 are as further components an inner seal 9, an outer seal 10, a circuit substrate 11 with a plurality of light sources 12 fixed thereto, a control module 13 and a first insulating film 14 and a second insulating film 15 are provided. Furthermore, in the exploded view according to Fig. 2 Screws shown as connecting means 6.

The circuit carrier 11 is realized in the manner of a substantially circular disk-shaped board. The first insulating film 14 and the second insulating film 15 are applied to the opposite flat sides of the circuit substrate 11 for realizing an electrical insulation of the circuit substrate 11 and provided on the circuit substrate 11, not shown electrical conductors. The insulating films 14, 15 are preferably designed so that a reliable and sufficient electrical insulation is ensured and also a good thermal conductivity is realized. In the assembled state of the lighting unit 1 is the Circuit substrate 11 extends substantially horizontally. The light sources 12 are mounted on a lower side of the circuit substrate 11.

An electrical supply line 16 and, secondly, an electrical counter-contact means 17 are provided on the control module 13. The electrical supply line 16 serves to connect the activation module 13 or the illumination unit 1 to a supply line provided in the region of the decorative light. The counter contact means 17 serves the electrically conductive connection of the drive module 13 to the circuit carrier 11. The circuit carrier 11 has for this purpose a correspondingly designed electrical contact means 18, which is concealed on the underside of the circuit carrier 11 is provided due to the representation perspective.

The detailed structure of the optics 3, the carrier body 2, the closure body 5, the drive module 13 and the circuit substrate 11 is in the Fig. 3 to 7 and 11 are shown.

The optic 3 has a substantially cylindrical outer circumferential surface 19. An outer diameter of the optic 3 is typically in the range between 100 mm and 180 mm. A height of the optics 3 is 20 mm or more. On a in the assembled state of the circuit substrate 11 facing the end face of the optics 3 in the region of the outer periphery a plurality of regularly arranged Lichteinkoppelelementen 20 is formed. The Lichteinkoppelelemente 20 each have a drop relationship as hill-like shape and a recess 21. The recess 21 serves to receive the light sources 12. In this respect, a light coupling surface for the light emitted by the light source 12 is provided in the region of the recess 21 of the light coupling element 20.

The optic 3 acts in the manner of a light guide. In optic 3, light coupled in via the light coupling surface is applied to an inner, in Fig. 12 shown Lichtauskoppelfläche 22 deflected in the direction of the outer circumferential surface 19 and over the Outer jacket surface 19 radiated. The geometry of the optics 3 and in particular the geometry of the light incoupling surface and the light outcoupling surface 22 are determined such that the light emitted via the outer surface 19 is radiated substantially laterally and downwardly. The geometry of the optically active surfaces, in particular the light coupling surface, the light outcoupling surface 22 and the outer circumferential surface 19, is chosen so that there is a low glare effect.

The optic 3 has a cup-shaped recess 23 on a side facing away from the light-coupling elements 20 and a through-opening 24 in a central region. The passage opening 24 and the cup-shaped recess 23 are used in particular to receive the carrier body 2. In addition, in the region of the passage opening 24, the electrical contacting of the drive module 13 and of the circuit carrier 11 via the contact means 18 and the counter contact means 17 is realized. In the area of the passage opening 24, three L-shaped cantilevers 25 are arranged distributed on the circumference of the passage opening 24. In the area of the cantilever arms 25, the optic 3 is supported on the end face of the carrier body 2. With regard to a longitudinal direction 26 of the carrier body 2, this results in a defined assignment of carrier body 2 and optics 3 in the mounted state. Furthermore, a nose 27 is formed in the region of the passage opening 24. The nose 27 serves for the correct positioning of the optics 3 on the carrier body 2 in the circumferential direction.

The carrier body 2 is according to the Fig. 4 and 5 longitudinally formed in the longitudinal direction 26. Over an entire length, the carrier body 2 has a same cross-section. In particular, the carrier body 2 is made of an extruded, extruded or cast profile. The carrier body 2 is preferably made of a material with good thermal conduction properties, for example of a metallic material.

The geometry of the carrier body 2 is determined in particular by an outer wall 28 and a longitudinal recess 29 surrounded by the outer wall 28. The wall 28 has a longitudinal groove 30 extending in the longitudinal direction 26 of the carrier body 2. On the shell side, the carrier body 2 has a circular cross section in the region of the wall 28. From the wall 28 protrudes inward in the direction of the longitudinal recess 29 a plurality of positioning means 31 and fastening means 32, 33 from. As in particular the top view Fig. 5 can be seen, the positioning means 31 are angled and Z-shaped. With regard to a transverse center plane 34 of the carrier body 2, the positioning means 31 are arranged opposite one another and symmetrically. In each case, the positioning means 31 extend in the longitudinal direction 26 and over the entire length of the carrier body second

A total of six fastening means 32, 33 are regularly distributed on the circumference of the wall 28 at an angle of 60 °. The fastening means 32, 33 are oriented in the longitudinal direction 26 of the carrier body 2 and extend over the entire length of the carrier body 2. Each fastening means 32, 33 is formed by two crescent-shaped or half-shell-shaped edge portions 35, which protrude in pairs from the wall 28 and one each in the longitudinal direction 26 of the support body 2 extending, circular in cross-section fastening recess 36, 37 define.

While the attachment means 32, 33 are basically the same shape, a total of three first attachment means 32 have a first attachment recess 36 of small cross section and three second attachment means 33 have a second attachment recess 37 larger in cross section. The first attachment means 32 and the second attachment means 33 are provided alternately on the circumference. In each case, the attachment means 32, 33 are associated in pairs on opposite sides of the transverse center plane 34, wherein always a first attachment means 32 is provided opposite to a second attachment means 33. For example, a thread or a threaded portion may be provided on the fastening means for receiving a non-self-tapping screw.

A receptacle 65 designed to define a first connection means 7 is defined by two fastening means 32, 33 opposite the longitudinal groove 30 and provided on different sides of the transverse median plane 34, as well as the positioning means 31. In the receptacle 65, the connection means 7, which, for example, in the manner of a flat steel can be executed. In order to achieve an exact positioning of the connection means 7 in the receptacle 65, flat contact surfaces 59 are formed on the two fastening means 32, 33 formed by the curved edge sections 35.

The closure body 5 after Fig. 6 It is only made shorter in the longitudinal direction 26 than the carrier body 2. In particular, the same positioning means 31 and the same fastening means 32, 33 are provided on the carrier body 2 and the closure body 5.

The drive module 13 comprises according to Fig. 7 an outer housing 38 made of a particular electrically non-conductive material, such as plastic, and provided in the interior of the housing 38 encapsulated electronics. In this respect, a potting body 39 and a circuit board 40 brought out of the potting body 39 are shown, which carries the electronics as well as the mating contact means 17. Via an open end 41 of the housing 38, the circuit board 40 with the mating contact means 17 is accessible. In the region of a front side 41 opposite the second end face 42 an opening for the supply line 16 is provided on the housing 38.

The housing 38 of the Ansteuermoduls 13 is elongated. With regard to its outer geometry, the housing 38 is realized so that it can be inserted into the longitudinal recess 29 of the carrier body 2. In the area of the end face 41 cantilevers 43, 44 projecting outwards are provided on the housing 38. The cantilevers 43, 44 are designed so that the housing 38 with the cantilevers 43, 44 applied to the end face on the support body 2 and is positioned defined in its longitudinal direction 26.

Furthermore, protruding positioning means 45, 46 are provided on the housing 38 of the actuation module 13 in the region of the end face 41. A first provided in the region of the end face 41 positioning means 45 projects like a pin from the end face 41 of the housing 38 and defines a Anlageplateau for the circuit substrate 11. A second positioning means 46, which is also formed like a pin, surmounting the positioning means 45. It is like a Positioning pin 46 is formed and defines a relative position between the drive module 13, the circuit carrier 11 and the heat sink 4th

Also in the region of the front side 41, a further positioning means 47 is formed on the shell side. The further positioning means 47 serves to apply the housing 38 to the carrier body 2. The second positioning means 47 is designed so that it is applied to the two positioning means 31 of the carrier body 2.

The circular disk-shaped circuit carrier 11 after Fig. 11 has at the edge a plurality of electrically contacted and spaced apart light sources 12. Furthermore, the contact element 18 is fixed to the circuit carrier 11. The contact element 18 is designed so that it is electrically connected to the control module 13 and mechanically connected to the mating contact means 17 when the circuit carrier 11 is applied.

Furthermore, a plurality of passage openings 48, 49, 50, 51 are formed on the circuit carrier. The through-hole 48 has a circular cross-section and serves as positioning means 48 for receiving the positioning pin 46 of the control module 13. The through-hole 49 is designed so that a first, provided on the optics 3 cantilever 25 and a first provided on the control module 13 cantilever 43rd can be used accurately positioned in the through hole. In this respect, the through-hole 49 also serves as positioning means in the sense of the invention. Similar to the through-hole 49, the further through-hole 50 of the The Durchgangsausnehmung 51 of the circuit board 11 serves on the one hand to receive the Kragarms 25 of the optics 3. Furthermore, the Durchgangsausnehmung 51 serves to receive the Kragarms 44 of the Ansteuermoduls 13. Insofern acts also the passage recess 51 as a positioning means in the context of the invention. In each case, the passage openings 48, 49, 50, 51 are designed so that the optics 3 and the drive module 13 are positioned in a defined relative position to the circuit carrier 11.

In the area of the passage recesses 49, 50, 51, furthermore, in some cases circularly limited formations 52, 53 are provided. The formations 52 are also realized in the manner of breakthroughs in the circuit substrate 11. They serve to receive the connecting means 6 for fixing the closure body 5 on the carrier body 2. Another, likewise partially limited circular shape 53 is provided on the further passage recess 50. Like the passage cross-sectionally circular passage 48, it serves to receive a position pin 46 of the actuation module 13.

Partial mounted states of the lighting unit 1 after the Fig. 8 . 9 . 10 and 13 illustrate the assembly of the lighting unit 1. The optical system 3 is attached to the carrier body 2 and the control module 13, that the nose 27 of the optical system 3 engages in the longitudinal groove 30 of the carrier body 2. Furthermore, the cantilever arms 25 of the optic 3 surround the wall 28 of the carrier body 2 from the outside in the region of an end face of the carrier body 2. The drive module 13 is inserted with the supply line 16 and the front side 42 in the longitudinal recess 29 of the carrier body 2 in such a way that support the cantilevers 43, 44 of the Ansteuermoduls 13 on the front side of the support body 2 in the region of the wall 28. A positionally fixed assignment of carrier body 2 and control module 13 is obtained by applying the provided in the region of the end face 41 of the Ansteuermoduls 13 positioning means 47 to the Z-shaped positioning means 31 of the carrier body 2. The cantilevers 43, 44 of the Ansteuermoduls 13 are immediately adjacent to the cantilever arms 25 of the optics 3 provided. The optical body 3 is thus fixed or positioned relative to the carrier body 2 with the nose 27 and in addition via the cantilever arms 25 relative to the control module 13. In this respect, the carrier body 2 is provided internally with the drive module 13 defined herein and surrounded by the optics 3. Despite the supporting function of the carrier body 2, there is no shadowing of the light.

The circuit carrier 11 is so applied to the carrier body 2, the optics 3 and the control module 13, that the positioning pins 46 engage in the through-hole 48 and the formation 53. Furthermore, the three passage recesses 49, 50, 51 surround the cantilevers 25, 43, 44 of the optics 3 and the control module 13. The circuit carrier 11 is also fixed in a defined position relative to the optics 3, the carrier body 2 and the control module 13. The heat sink 4, which is mounted after the mounting of the circuit substrate 11, has to the through holes 48, 49, 50, 51 corresponding through holes 54, 55, 56, 57 and accordingly surrounds the positioning pins 46 and the cantilevers 25, 43, 44 as Accordingly, it is possible to position the heat sink 4 in a fixed relative position to the circuit substrate 11, the optics 3, the drive module 13 and the carrier body 2.

The partially assembled assemblies of the lighting unit 1 after the Fig. 8 . 9 . 10 and 13 do not show the assembly of the seals 9, 10 and the insulating film 14,15. It is provided that the inner seal 9 is applied to the optical system 3 and that the first insulating film 14 is installed between the drive module 13 and the circuit carrier 11. Once the circuit carrier 11 via the positioning means 43, 44, 45, 46, 48, 49, 50, 51 fixed relative to the control module 13 and the optics 3 and the contact means 18 is mechanically and / or electrically connected to the mating contact means 17, the first second insulation film 15 applied to the circuit substrate 11 and then mounted the heat sink 4. Finally, then, as in particular Fig. 2 makes clear, the closure body 5 to the heat sink 4 so that the screws 6 guided by the provided on the closure body 5 second mounting recesses 37 of the second fastening means 33, the through holes 55, 56, 57 of the heat sink 4 and provided on the through holes 49, 50, 51 of the circuit substrate 11 formations 52 and in the first mounting recesses 36 of the carrier body 2 can be screwed. The screws 6 are for this purpose preferably designed as a self-tapping screws 6. The closure body 5 is here-in relation to the transverse center plane 34 -rotated by 180 ° to the carrier body 2 arranged with the result that the first attachment means 32 of the closure body 5 via the second attachment means 33 of the carrier body and vice versa are positioned.

The Fig. 12 and 14 show the lighting unit 1 with the connection means 7, which is fixed in the region of the closure body 5 to the lighting unit 1 and is used to connect the lighting unit 1 to a housing or a pole of the decorative lamp. The connection means 7 is designed as a separate component and formed by way of example in the manner of an L-shaped angle plate. The connecting means 7 is inserted with a long leg of the same in the receptacle 65 and fixed to the closure body 5, wherein the long leg 58 is applied to the positioning means 31 of the closure body 5. Furthermore, a guide results from the two contact surfaces 59 which are formed on the first fastening means 32 and second fastening means 33 of the carrier body 2 provided adjacent to the positioning means 31 Fig. 5 ,

Due to the Z-shaped gradation of the two positioning means 31 of the carrier body 2, either a wide, thin angle profile or a narrower, but thicker executed connecting means 7 can be positively inserted into the receptacle 65. The Z-shaped positioning means 31 are formed with a first leg 31.1 to the wall 28. At a right angle to the first leg 31.1, a connecting leg 31.2 extends. Of the connecting leg 31.2 protrudes end free from a leg 31.3, which is parallel or substantially parallel to the first leg 31.1. extends. While the connecting leg is provided substantially parallel to the transverse center plane 34, the first leg 31.1 and the free leg 31.3 are provided perpendicular to the transverse center plane.

When inserting the wide, thin connecting means 7 in the receptacle 65 results in an investment in the two contact surfaces 59 and the two walls 28 facing the first leg 31.1 of the positioning means 31. If the connection means 7, however, less wide, but made thicker, it supports on the contact surfaces 59 and on the wall 28 facing away, free legs 31.3 of the Z-shaped positioning means 31 from.

A determination of the connection means 7 on the closure body 5 takes place, for example, by attaching a screw or other suitable connection means through a hole 60 provided on the closure means 7 and fixing it to a profiling 61 of the closure body 5.

The sectional view after Fig. 12 shows how the light sources 12 are arranged in a sealed cavity 62 of the lighting unit 1. The sealed cavity 62 is formed by applying the circuit carrier 11 with the light sources 12 to the optical system 3. Between the circuit substrate 11 and the optics 3, the seals 9, 10 circumferentially provided so that the cavity 62 is sealed and the light source 12 protected from the weather is provided in the cavity 62.

By the carrier body 2 or the closure body 5 are made of a thermally conductive material, preferably made of a metallic material, a continuous thermal path from the carrier body 2 via the circuit substrate 11 and the heat sink 4 to the closure body 5 can be provided. The thermal path can be further extended if the lighting unit 1 is thermally conductively connected to the decorative lamp in the region of the closure body 5 or of the carrier body 2 as intended. In particular, an assembly the lighting unit 1 is provided on the housing or masts the decorative light, heat can be dissipated in this way equally reliable and easy.

According to an alternative fastening variant according to Fig. 15 is provided to determine the L-shaped connecting means 7 with the long leg 58 ahead of the support body 2. In a known manner, for this purpose, the leg 58 is applied between the positioning means 31 and the abutment surface 59 and held over the bore 60 with a screw, not shown, or other connecting means in the profiling 61. Optionally, therefore, the lighting unit 1 can be screwed in the region of the closure body 5 or the carrier body 2 to the decorative light.

An alternative mounting option provides the connection means 8 after Fig. 16 , Here, as an example for the closure body 5, a substantially planar and rectangularly formed plate is provided as connection means 8. The sheet 8 initially has three holes, which are determined in diameter so that the screws 6 can be performed for fixing the closure body 5 on the support body 2 through the recesses 63. In the assembled state in this case the heads of the screws 6 are sunk in the recesses 63. Furthermore, three bores are provided for receiving screws 64, which serve to screw the connection means 8 on the front side against the closure body 5. The screws 64 are for this purpose preferably designed as a self-tapping screws and dimensioned so that a fixing to the first fastening means 32 of the closure body 5 takes place. As usual, the connection means 8 is designed as a separate component which can be detachably connected to the illumination unit 1 or the carrier body 2 or the closure body 5. The geometry of the connection means 8 is chosen only as an example. It may, for example, a round plate serve as connection means 8.

If the lighting unit 1 is fixed in the region of the closure body 5, the supply line 16 can also be guided via the closure body 5 to the housing of the decorative lamp. For this purpose, the supply line 16 is provided in a mounting space 66 extending in the longitudinal direction 26, which is provided between the drive module 13, on the one hand, and the carrier body 2, on the other hand. Next, the circuit carrier 11 on the through-hole 51, a molding 67 for the supply line 16 before. A corresponding formation 68 is located in an analogous manner on the heat sink 4. The supply line 16, which is led upwards via the mounting space 66, is provided in the region of the formation 67, 68 and guided into the closure body 5. In particular, this makes it possible to lead the supply line 16 obscured by the lighting unit 1 to the decorative light, even if the lighting unit 1 is mounted hanging or in the region of the closure body 5 on the decorative light.

The connection means 7, 8 are in the present case designed as separate components. The connection means 7, 8 can be connected on the one hand to the lighting unit 1 and on the other hand to the decorative lamp. In particular, it can be provided that is provided to simplify or accelerate the assembly of the lighting unit 1 to the decorative light, the lighting unit 1 in a first step, for example, factory connected to the connection means 7, 8 and when inserting the lighting unit 1 in an existing decorative light only make the electrical contact via the supply line 16 and to achieve the mechanical definition by the connecting means 7, 8 is connected to the decorative light. In an analogous manner, when replacing a lighting unit 1 on an already installed decorative light, only the connection between the connecting means 7, 8 and the lighting unit 1 can be achieved. The connection means 7, 8 remains connected to the decorative lamp 1. The replaced lighting unit 1 is then fixed to the connection means 7, 8.

An alternative possibility for fixing the lighting unit 1 according to the invention on the decorative light is that on the decorative light in any case is provided in sections tubular receptacle. The tubular receptacle is dimensioned with respect to an inner diameter of the same so that the illumination unit 1 can be used with the carrier body 2 or the closure body 5 in advance in the recording or mounted on the same. A separate connection means 7, 8 is not required insofar.

According to an alternative, not shown embodiment of the invention can be provided to provide the connection means 7, 8 directly as part of the lighting unit 1. For example, the connection means 7, 8 can be embodied as an integral part of the carrier body 2 or of the closure body 5.

An alternative embodiment of the invention according to Fig. 17 provides to connect two lighting units 1 together. In particular, in this case the carrier body 2 of an upper lighting unit 1 at the same time serves as a closure body 5 for the lower lighting unit 1. A connection of the two lighting units 1 by not shown connecting means, in particular by screws, which via the closure body 5 and the support body 2 of the upper lighting unit 1 to are guided in the lower lighting unit 1 and are screwed to the support body 2 of the lower lighting unit 1. Accordingly, the carrier body 2 and the closure body 5 of the upper illumination unit 1 are arranged so that the first attachment means 32 and the second attachment means 33 are each arranged in alignment one above the other. The carrier body 2 of the lower illumination unit 1 is provided such that the first attachment means 32 are positioned in alignment with the second attachment means 33 of the upper illumination unit 1. Consequently, the connecting means, not shown, can be guided by the second fastening means 33 of the closure body 5 and the second fastening means 33 of the upper carrier body 2 and fixed in the first fastening means 32 of the lower carrier body 2.

By providing the lighting unit 1, it is possible to realize a light source for decorative lights as a compact, common structural unit. In this case, the lighting means 1 can be fixed in the decorative lamp via suitable connecting means 7, 8 and exchanged in a simple manner. In particular, it can be provided that the lighting unit 1 is provided for converting from currently equipped with conventional lamps, such as halogen lamps, decorative lights on bulbs in LED technology. This makes it possible to carry out the lamps 1 particularly durable and to reduce the energy consumption of the lamps 1. At the same time, the lighting unit 1 comprises all optical or electrical interfaces. Modifications to the decorative light itself are completely unnecessary or only required to a minimum extent. In particular, the assembly of the lighting unit 1 in the decorative lamp is in one stage. In particular, it is not necessary initially to fix a circuit carrier equipped with light-emitting diodes to a housing of the decorative lamp and then separately to provide optics separately, which is to be fixed via further connection means in the housing of the decorative lamp and in particular positioned relative to the light-emitting diodes or to the circuit carrier got to.

The provision of the electrical contact means 18 and the electrical counter contact means 17 on the circuit carrier 11 and the circuit board 40 of the drive module 13 is merely an example. For example, it may be provided that a plug-in element fixed via a cable to the circuit carrier 11 is connected to a mating plug element which is contacted via cables led out of the potting body 39. The plug element connected to the mating plug element and the cables can be provided in the longitudinal recess 29 of the carrier body 2 or in the housing 38 of the drive module 13.

According to an alternative, not shown embodiment of the invention, the closure body 5 and the heat sink 4 may be made in one piece or as a unit.

Identical components and component functions are identified by the same reference sign.

LIST OF REFERENCE NUMBERS

1

lighting unit

2

support body

3

optics

4

heatsink

5

closure body

6

connecting means

7

connection means

8th

connection means

9

seal

10

seal

11

circuit support

12

light source

13

control module

14

insulation blanket

15

insulation blanket

16

supply

17

Against contact means

18

contact means

19

Outer casing surface

20

light input

21

recess

22

light coupling

23

recess

24

Through opening

25

cantilever

26

longitudinal direction

27

nose

28

wall

29

longitudinal recess

30

longitudinal groove

31

positioning

31.1

first leg

31.2

connecting leg

31.3

free thigh

32

fastener

33

fastener

34

Transverse center plane

35

edge section

36

mounting recess

37

mounting recess

38

casing

39

potting

40

circuit board

41

front

42

front

43

cantilever

44

cantilever

45

positioning

46

positioning

47

positioning

48

through recess

49

through recess

50

through recess

51

through recess

52

formation

53

formation

54

through recess

55

through recess

56

through recess

57

through recess

58

leg

59

contact surface

60

drilling

61

profiling

62

cavity

63

recess

64

screw

65

admission

66

mounting space

67

formation

68

formation

Claims (15)

Carrier body (2) for a lighting unit (1) having a wall (28) and having a plurality of fastening means (32, 33) integrally formed on the wall (28), at least two different types of fastening means (32, 33) being provided and wherein the different types of fastening means (32, 33) are associated with each other with respect to a transverse center plane (34) of the carrier body (2) opposite one another. Carrier body (2) according to claim 1, characterized in that at least one positioning means (31) is integrally formed on the wall (28), bearing surfaces (59) being attached to the positioning means (31) and / or to at least individual fastening means (32, 33). are designed for positioning and / or applying an attachment component (3, 4, 7, 8, 11, 13). Carrier body (2) according to claim 1 or 2, characterized in that the at least one positioning means has an L-shaped and / or Z-shaped cross-section and / or that at least one leg (31.2) of the positioning means (31) in the transverse center plane (34 ) and / or that at least one further leg (31.1, 31.3) of the positioning means (31) is oriented perpendicular to the transverse center plane (34). Carrier body (2) according to one of claims 1 to 3, characterized in that the carrier body (2) is made of a hollow profile and / or of an extruded profile and / or that the carrier body (2) in any case in sections has a constant cross-section and / or that the wall (28) is formed symmetrically with respect to the transverse center plane (34). Carrier body (2) according to one of claims 1 to 4, characterized in that the carrier body (2) in the direction of the transverse center plane (34) is elongated and / or in a longitudinal direction (26) extending longitudinal recess (29), wherein the longitudinal recess (29) is in any case partially surrounded by the wall (28), and / or that the carrier body (2) in the region of the wall (28) has a circular cross-section. Carrier body (2) according to one of claims 1 to 5, characterized in that the wall (28) at least in some sections in the longitudinal direction (26) of the carrier body (2) extending longitudinal groove (30) and / or that the longitudinal groove (30 ) is provided symmetrically to the transverse center plane (34). Carrier body (2) according to one of claims 1 to 6, characterized in that the positioning means (31) and / or the fastening means (32, 33) project from the wall (28) in the direction of the longitudinal recess (29). Carrier body (2) according to one of claims 1 to 7, characterized in that a first fastening means (32) in the longitudinal direction (26) extending, in cross-section circular mounting recess (36) having a first diameter and in that a second fastening means (33 ) has a likewise in the longitudinal direction (26) extending mounting recess (37) which is larger in cross-section than the circular mounting recess (36) of the first fastening means (32). Carrier body (2) according to one of claims 1 to 8, characterized in that at least two positioning means (31) are provided and / or that the at least two positioning means (31) are arranged symmetrically with respect to the transverse center plane (34). Lighting unit (1) for a decorative luminaire with at least one light source (12), with a circuit carrier (11) carrying the at least one light source (12), with optics (3) associated with the light source (12) for providing a light distribution, with a control module (13) for the at least one light source (12) and with a carrier body (2) according to one of claims 1 to 9, wherein on the carrier body (2) of the circuit carrier (11) with the light source (12) and / or the optics ( 3) and / or the control module (13) are indirectly and / or directly fixed. Illumination unit (1) according to claim 10, characterized in that the optical system (3) and / or the circuit carrier (11) and / or the control module (13) are provided via the fastening means (32, 33) provided on the carrier body (2). and / or positively fixed. Lighting unit (1) according to claim 10 or 11, characterized in that by means of the support body (2) provided positioning means (31) and / or contact surfaces (59) of the circuit carrier (11) and / or the optics (3) and / or the control module (13) and / or further attachment components (4, 7, 8) are fixed and / or positioned relative to the carrier body (2). Lighting unit (1) according to one of claims 10 to 12, characterized in that a closure body (5) is provided, which is made of the same hollow profile and / or extruded profile as the carrier body (2), and / or that the closure body (5 ) compared to the carrier body (2) rotated by 180 ° relative to the transverse center plane (34) is arranged and / or that for fixing the closure body (5) on the support body (2) elongated connecting means (6), preferably screws (6) with self-tapping thread, by means provided on the closure body (5) mounting recesses (37) of the second fastening means (33) and in the fastening recesses (36) of the on the support body (2) provided first fastening means (32) are fixable. Lighting unit (1) according to one of claims 10 to 13, characterized in that the carrier body (2) and / or the closure body (5) are made of a metallic material or of a plastic and / or that between the carrier body (2) and On the one hand and the circuit carrier (11) on the other hand, an electrical insulation component (14, 15), preferably an insulation film (14, 15), is provided on the closure body (5). Lighting unit (1) according to one of claims 10 to 14, characterized in that the carrier body (2) and / or the closure body (5) via a connection means (7, 8) are mounted on the decorative lamp and / or that the connection means (7 , 8) is detachably held on the carrier body (2) and / or the closure body (5) and / or positioned over the positioning means (31) and / or abutment surfaces (59).

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