DE102014205892A1 - Fastening device for a light source - Google Patents

Abstract

The present invention relates to a fastening device (1) for a light-emitting means (14) for generating light, comprising: a coupling point (11) which is designed for an electromechanical coupling of the light-emitting means (14) and which is designed for the light-emitting means (14) to supply an electrical output signal; a power electronic inverter (12) coupled to the docking station (11) and configured to convert an electrical input signal, in particular an input voltage signal, into the electrical output signal and to provide the output signal to the docking station (11); and a mechanical guide means (13) for guiding a line, which is designed to transport the electrical input signal to the power electronic converter (12), wherein the mechanical guide means (13) comprises a housing (132) with a longitudinal extent (L), the Multiple of a transverse extent (Q ', Q' ') of the housing (132) and wherein the mechanical guide means (13) is designed for an arrangement and / or for a suspension in and / or on a wall / ceiling. According to the invention, it is provided that the power electronic converter (12) is designed for an arrangement within the housing (132) of the mechanical guide means (11).

Description

The present invention relates to a fastening device for a light source for generating light according to the preamble of patent claim 1.

A generic fastening device has a coupling point, which is designed for an electromechanical coupling of the lighting means. At the coupling point, the light source can thus be coupled to the fastening device. Furthermore, the coupling point is designed to supply the lamp with an electrical output signal, in particular an output current signal. The light source is operated by means of the output current signal to generate light.

Furthermore, generically a power electronic converter is provided which is designed to convert an electrical input signal, in particular an input voltage signal, into the electrical output signal. The power electronic converter leads the coupling point, for example, the output signal, which in turn passes the electrical output signal to the light source, so that it is supplied with energy.

In addition, the generic fastening device has a mechanical guide means, for example in the form of a rail. The mechanical guide means comprises a housing having a longitudinal extent which is a multiple of a transverse extent of the housing. The housing is usually not a completely closed housing, but a housing having at least on one side one or more recesses. This applies in particular to a guide means in the form of a profile rail. Such a rail usually has a U-shaped cross-section. In any case, the mechanical guide means is designed for an arrangement and / or for a suspension in and / or on a wall / ceiling.

The power electronic converter is usually arranged in a converter housing, which has an approximately cuboid geometry. Such converter housings are comparatively bulky. For example, they have a length of about 30 cm and a width and depth of about 10 cm. From the prior art it is known that such power electronic converters, so in particular the inverter housing, are arranged outside the housing of the mechanical guide means.

This has a variety of disadvantages. First, the inverter housing is usually arranged visibly and thus affects the overall aesthetic impression of the corresponding lamp assembly. In order to keep the impairment as low as possible, lighting designers and product developers are forced to consider these converter housings, which considerably restricts the freedom of design. For example, it is necessary for the converter housing to be adapted with respect to the outer configuration to a housing of the luminous means. This leads to increased production costs. In addition, the arrangement of the light source in the mechanical guide means is complicated because the intervening converter housing must be taken into account.

The technical problem underlying the present invention is therefore to propose a fastening device for a luminous means which avoids the disadvantages described above.

This object is achieved by the fastening device according to independent claim 1. Features of advantageous developments are given in the dependent claims.

According to the invention, the power electronic converter is designed for an arrangement within the housing of the mechanical guide means. In other words, the mechanical guide means is adapted to receive the power electronic inverter within the housing.

The mechanical guide means accordingly houses the power electronic converter. This has a lot of advantages. First, the inverter or the converter housing in the development and design of the bulb is not considered. In addition, the electronic power converter no longer impedes the coupling of the lamp to the mechanical guide means. The integration of the power electronic converter within the mechanical guide means the total volume of the fastening device is reduced, which in addition to cost advantages also has aesthetic advantages, as often perceived as clunky inverter housing no longer falls into the eye of the beholder. Neither does a luminaire have to accommodate the power electronic converter, nor does the power electronic converter appear to the viewer as a separate component between the illuminant and the mechanical guide means. The already developed space within the housing of the mechanical guide means is used not only to guide the line carrying the electrical input signal to the power electronic converter, but also to integrate the power electronic converter.

Hereinafter, further preferred embodiments of the fastening device according to the invention will be described. The features of these further embodiments may be combined to form additional embodiments, unless expressly described as alternative to each other.

The mechanical guide means is, for example, a profile rail, such as an aluminum profile rail, which has, for example, a U-shaped cross section. The rail is designed, for example, for an arrangement in a ceiling, such as building ceiling or ceiling. For example, the rail can be integrated in the ceiling and has a room interior facing longitudinally extending recess. For example, it is in the mechanical guide means is a Einputzprofilschiene with a U-shaped cross section or a pendulum H-profile rail with an H-shaped cross-section.

For example, the rail is designed as a busbar.

The mechanical guide means is therefore preferably designed for a flush mounting arrangement. The mechanical guide means is, for example, a concealed profile rail or a plaster profile rail.

The rail, for example, has a length of at least 20 cm (for example, a length of one or more meters) and a height and a width of less than 5 cm. The longitudinal extent of the rail thus preferably exceeds a multiple of a transverse extent (height or width) of the rail.

The housing of the profile rail is preferably formed by at least two profile legs, which are arranged for example symmetrically to each other. The power electronic converter is preferably arranged between these two profile legs of the mechanical guide means, that is, in an intermediate space which is bounded by the two profile legs.

The power electronic converter preferably comprises an inverter housing, wherein the converter housing is preferably arranged within the housing of the mechanical guide means. The components of the power electronic converter, which convert the electrical input signal into the electrical output signal, are thus arranged within the converter housing, which in turn - at least for the most part - is arranged within the housing of the mechanical guide means.

In a further preferred embodiment of the fastening device according to the invention, the mechanical guide means comprises an adapter with a phase selection means which is designed to provide a phase signal of a plurality of phase signals of a power supply signal as electrical input signal for the power electronic converter. The electrical input signal is thus a signal derived from the power supply signal, for example an alternating voltage of 230 V and 50 Hz of a specific phase. For example, the power grid signal may include three phase signals, in other words, the power grid includes, for example, three phases and a neutral.

The light-emitting means comprises, for example, an LED, a gas discharge lamp and / or a halogen lamp. Such bulbs require a certain electrical output signal for their operation. The power electronic converter is therefore preferably designed to convert the input signal in the form of a selected phase signal of a power supply signal into a suitable for the lamp used output current signal or output voltage signal. In the case of an LED, the converter preferably provides an output current signal and in the case of a halogen lamp, preferably an output voltage signal.

In a further particularly preferred embodiment of the fastening device according to the invention, a housing of the said adapter forms the converter housing. The power electronic converter is thus preferably installed inside an already provided adapter housing. For example, the housing of the adapter is designed to form a latching with the housing of the mechanical guide means, in particular for forming a latching with the at least two profile legs. Preferably, the housing of the adapter is further configured for coupling the lamp and for coupling an optical unit, wherein the housing of the adapter, the lamp and the optical unit are preferably designed as a module for forming the latching with the housing of the mechanical guide means , Is designed in particular for forming a latching with the at least two profile limbs.

The phase selection means of the adapter is implemented, for example, in the form of a rotary switch and allows an installer to select a particular phase signal from the polyphase power supply signal. The selected phase signal represents the electrical input signal for the power electronic converter.

In a further preferred embodiment of the fastening device according to the invention, the power electronic converter has a multiplicity of electronic components arranged on a circuit board. The power electronic converter is thus preferably implemented on a circuit board, such as a printed circuit board. The electronic components comprise at least one of the following:

A capacitor, a coil, a resistor, a diode, a thyristor, a transistor, such as a MOSFET and / or an IGBT, a control unit, such as a microcontroller and / or a FPGA (Field Programmable Gate Array).

These components of the converter form, for example, a converter, such as a voltage-current converter, in particular an AC / DC converter and / or an AC / AC converter, and / or a ballast for the lighting means. These electronic components are preferably arranged on the board and coupled to one another via strip conductors, so that the electronic converter can convert the electrical input signal into the electrical output signal for the lamp.

The circuit board is preferably arranged within the housing of the mechanical guide means, that is, for example, in the limited by the said profile leg gap.

In a further preferred embodiment of the fastening device according to the invention, the board is formed divisible into a first portion and a second portion, wherein the first portion and the second portion are configured for a separate arrangement and for mutual coupling by means of a number of electrically conductive connection lines ,

For example, the first partial area and the second partial area are arranged substantially perpendicular to one another and coupled to one another via the number of electrically conductive connecting lines.

The board is thus preferably formed in several pieces and the first portion extends over a first part of the board and the second portion over a second part of the board, these two parts are arranged spatially separated from each other. Due to this particular embodiment of the board, the board can be arranged in an advantageous manner, in particular space-efficient, within the housing of the mechanical guide means.

It is generally preferred that the power electronic converter is designed to generate the electrical output signal for the lighting means such that the electrical output signal can be supplied to the lighting means without further processing, in particular without further conversion and / or transformation, in order to generate light. The electrical output signal produced by the power electronic converter is therefore preferably suitable for being fed directly to the lighting means, so that the lighting means generates the light based on the supplied electrical output signal.

In a further preferred embodiment of the fastening device, the coupling point and / or the lighting means is configured to be arranged within the housing of the mechanical guide means. All components, ie in particular the coupling point, the power electronic converter and the lighting means are integrated in a preferred variant substantially within the mechanical guide means, which is designed for example as a profile rail, and are at most slightly off. This can not be avoided in some applications, for example because top-to-top DALI (Digital Addressable Lighting Interface) bus lines must be contacted.

• – Adaptergehäuse mit integriertem Umrichter (einteilig oder in T-Anordnung), der LED-Platine und der Optik bilden eine Einheit; oder
• – es gibt Trennebenen, die in der Praxis durch Montagevereinfachung begründet sind, wobei mehrere Ausführungsformen denkbar sind (Adapter ohne integrierten Umrichter mit einklipssbarer Lampe bestehend aus Umrichter, LEDs Platine, Optik und Abdeckung oder in die Stromschiene integrierter Konverter, wobei man LED-Platine, Optik als eine Einheit aufklipsst.

In a further embodiment, the power electronic converter (or a first part thereof) is arranged with the inverter housing in the formed as a busbar mechanical guide element and attached a second part of the power electronic converter via cables and / or resilient elements, wherein the second part with a light emitting circuit board and the optics is firmly connected and locked as a lamp unit in the busbar, for example, clipped, is. Here are several embodiments conceivable:

• - Adapter housing with integrated inverter (one-piece or in T-arrangement), the LED board and the optics form a unit; or
• - There are dividing planes, which are justified in practice by simplification of assembly, with several embodiments are conceivable (adapter without integrated inverter with einklipssbarer lamp consisting of inverter, LEDs board, optics and cover or integrated into the power rail converter, where LED board, Optics as a unit aufklipsst.

Further features and advantages of the invention will become apparent in the following description of exemplary embodiments with reference to the figures.

Show it:

1 a schematic and exemplary representation of a previously known from the prior art fastening device;

2 a schematic and exemplary representation of an embodiment of a fastening device;

3 a schematic and exemplary illustration of a first cross-sectional view of another embodiment of the fastening device;

4 a schematic and exemplary representation of a first view of a power converter integrated in a converter housing;

5 a schematic and exemplary representation of a second view of the power electronic converter; and

6 a schematic and exemplary illustration of a second cross-sectional view of another embodiment of the fastening device.

The 1 shows schematically and by way of example a previously known from the prior art fastening device s for a radiator head s3. The fastening device s comprises a mechanical guide means in the form of a profile rail s1. The rail s1 transports an electrical input signal to a power electronic converter s2 coupled to the profile rail s1. The power electronic converter s2 is housed in a corresponding housing, which is clearly noticeable by a viewer. The power electronic converter s2 converts the electrical input signal into an electrical output signal for the radiator head s3. The radiator head s3 is coupled to the power electronic converter (industry designation also: ballast, LED ballast with LEDs or LED driver) s2 and in its spatial dimension comparable to the spatial dimension of the power electronic converter s2.

A disadvantage of this previously known from the prior art fastening device s is, as shown in detail in the general part of the description, the outside of the rail s1 arranged power electronic converter s2.

2 shows schematically and exemplarily a first embodiment of a fastening device according to the invention 1 , The fastening device 1 has a mechanical guide 13 on, which is in the form of profile rails and a housing 132 whose longitudinal extension L is a multiple of a first transverse extent Q 'along a height and a second transverse extent Q''along a width of the housing 132 is. The housing 132 has an approximately U-shaped cross-section and a pointing into the space recess 133 ,

In the in the 2 The example shown is the mechanical guide 13 for a suspension at one (in the 2 ) ceiling not shown provided. For this are suspension 2 Installed. About a power cable 4 is the rail 13 to a power grid connection 3 coupled.

Unlike the one in the 1 The fastening device according to the prior art shown is the power electronic converter, which in 2 not shown, within the housing 132 the profile rail 13 arranged. About the power cable 4 is the power electronic converter via the power rail so an electrical input signal, for example, an AC signal of 230 V and 50 Hz a certain phase supplied. This input signal converts the power electronic converter into an electrical output signal, for example into an electrical current signal, and provides this electrical current signal to a lighting means 14 to disposal. The exact design of the power electronic converter will be discussed in more detail later.

In the 2 are also shown a plurality of housings 125 , In these cases 125 These are housings of adapters, each for forming a latching with the rail 132 is trained. Within this housing 125 are the power electronic converters arranged. Therefore, in the following also from, inverter housing 125 ' the speech.

That in the 2 schematically illustrated bulbs 14 is via optional coupling elements 16 and especially about the housing 125 to the rail 13 coupled. For reasons of clarity is in the 2 a decoupled state shown. To cover the bulb 14 For example, which is formed in the form of a plurality of LEDs, for example, is a covering means 15 provided in the in the 2 illustrated example has an approximately triangular cross-section.

Is the bulb 14 with the cover means 15 to the rail 13 coupled, so is the power electronic inverter, as in the 2 just shown, not visible to the viewer. It is essentially entirely within the housing 132 what now with respect to the 3 is explained in more detail.

The 3 shows schematically and exemplarily a first cross-sectional view of another embodiment of the fastening device according to the invention 1 , Viewed from the outside to the inside, initially part of the profile rail is shown 13 , In the in the 3 Example shown includes the rail 13 a first profile leg 132-A and a profile leg 132-B , In their commonality, the two profile legs form 132-A and 132-B the housing 132 the profile rail 13 at least partially, in such a way that it has an approximately U-shaped cross section, as shown in the 3 is shown schematically.

The two profile legs 132-A and 132-B limit a gap that covers the interior of the case 132 the profile rail 13 represents. In this space is a power electronic converter 12 (like in the 2 also, but not shown there) arranged. The power electronic converter 12 is essentially inside an inverter housing 125 implemented, which corresponds to the dimensions of the housing 132 the profile rail 13 adapted as it is in the 3 is shown schematically. Specifically, the inverter housing includes 125 a first housing leg 125-A and a second housing leg 125-B that are symmetrical to each other and approximately positive fit within the housing 132 the profile rail 13 are arranged.

Electronic Components 122 such as capacitors, coils, resistors, diodes, transistors, a voltage converter such as an AC / DC converter or an AC / AC converter, a control unit such as a microcontroller and / or an FPGA, etc. are on a board 121 of the inverter 12 arranged. In the in the 3 example shown is the board 121 formed in one piece and substantially parallel to the first housing leg 125-A arranged. The profile rail 13 has lines in the form of copper tracks 134 on, an adapter explained in more detail below can tap the electrical input signal.

The power electronic converter 12 So is for an arrangement within the housing 132 the profile rail 13 designed. From the 3 It is also clear how this formulation is to be understood. The wording should not exclude that a small part of the power electronic converter 12 also slightly outside the case 123 can be located. An essential part of the power electronic converter 12 but is inside the case 132 arranged, in particular the essential part of the board 121 ,

Via a coupling surface 135 can the bulbs 14 with the power electronic converter 12 be connected, which will now be explained in more detail with reference to the embodiments illustrated in the other figures.

The 4 shows a schematic and exemplary representation of a first side view of the power electronic converter 12 , The electronic components 122 of the power electronic converter 12 are completely inside the inverter housing 125 arranged and therefore in the 4 not visible. The inverter housing 125 is for an arrangement within the housing 132 the profile rail 13 designed as it is in the 3 is shown schematically.

You can see them in the 4 the two housing legs 125-A and 125-B , the form-fitting to the profile legs 132-A and 132-B can be arranged. Furthermore, fasteners 126 on the inverter housing 125 arranged over which the light source 14 by means of (in the 4 not shown) coupling elements 16 can be connected.

To the bulb 14 To provide the electrical output signal is a mechanical coupling point 11 (This is also a mechanical coupling point) provided.

Further, an adapter 18 intended to receive one over the copper tracks 134 transported power supply signal is formed and has a phase selection means (which in the 4 not shown) configured to provide a phase signal of a plurality of phase signals of the power supply signal as an input electrical signal, in particular for the power electronic converter 12 , Usually, a power supply signal in the form of a multi-phase voltage signal is received and the phase selection means of the adapter 18 allows selection of a particular phase signal from this multi-phase voltage signal. One of these phase signals is the power electronic converter 12 supplied as an input voltage signal. The power electronic converter 12 converts this input voltage signal into an electrical output signal, in particular into an output current signal. This output current signal is the light source 14 fed without further electrical processing. Based on the received electrical output, the bulb produces 14 the light.

The housing of the adapter 18 forms the inverter housing 125 out. The 5 shows a schematic and exemplary representation of a second view of the second power electronic converter 12 , For reasons of clarity, the inverter housing 125 only the first housing leg 125-A shown. In the in the 5 example shown is the board 121 of power electronic converter 12 - unlike the example in the 3 - not integrally formed, but two-piece. A first subarea 121-A the board 121 is substantially perpendicular to a second portion 121-B the board 121 arranged. Electronic Components 122 of the two subareas 121-A and 121-B are over a large number (> = 2) of electrical connecting cables 123 coupled to each other, so that the power electronic converter can perform its inverter function, in particular the conversion of the electrical input signal into the electrical output signal.

The layout of the board 121 in several subareas allows a more efficient installation of the power electronic converter 12 inside the case 132 the profile rail 13 ,

More detailed in the 5 is also the adapter 18 with a phase selector 181 , The phase selection means 181 allows the selection of one of several phase signals of the power supply signal and the provision of the selected phase signal as an electrical input signal for the power electronic converter 12 , The phase selection means 181 For example, it may be a mechanical phase selection means, the installer in the installation of the fastening device 1 to select a specific phase.

Finally, the shows 6 a schematic and exemplary illustration of a second cross-sectional view of another embodiment of the fastening device 1 , In the upper part of the 6 shown is the housing 132 the profile rail 13 that the two profile legs 132-A and 132-B having. In through the two profile legs 132-A and 132-B limited space is the power electronic inverter 12 within its inverter housing 125 arranged. This allows a space-efficient installation of the entire power electronics of the power electronic converter 12 inside the case 132 the profile rail 13 ,

Via the coupling surface 135 , the docking station 11 as well as via the coupling element 16 is the lighting element 14 with the profile rail 13 connected. To the bulb 14 that of the power electronic inverter 12 To provide produced electrical output signal are electrically conductive feedthroughs 17 provided, which are designed for example as spring-loaded pins.

The light source 14 , for example in the form of a plurality of LEDs, is on a light-emitting board 141 arranged. To protect the bulb 14 and / or for light beam guidance is the covering means 15 provided flush with the two profile legs 132-A and 132-B borders. In contrast to that in the 2 illustrated example, the covering means 15 at the in the 6 example illustrated an approximately rectangular cross-section.

The exemplary embodiments presented above have made it clear that the integration of the power electronic converter 12 inside the case 132 of the designed as a profile rail mechanical guide means 13 it allows the bulbs 14 directly to the rail 13 to arrange adjacent. This leads to an extremely compact construction of the entire arrangement.

In the embodiments discussed above, as an example of the mechanical guide means 13 called a profile rail. But it can also be used other guidance means. Furthermore, the rail 13 designed in the examples shown for a suspension on a ceiling. In the profile rail 13 but it can also be a concealed profile rail in particular.

LIST OF REFERENCE NUMBERS

1

fastening device

11

coupling point

12

Power electronic converter

121

circuit board

121-A

First section

121-B

Second subarea

122

Electronic Components

123

Electrically conductive connecting cables

125

inverter housing

125-A

First housing leg

125-B

Second housing leg

126

fasteners

13

 Mechanical guide means, for example designed as a busbar rail

132

casing

132-A

First profile leg

132-B

Second profile leg

133

recess

134

copper traces

135

coupling surface

14

Lamp

141

Lamp board

15

cover means

16

Coupling elements.

17

Electrically conductive bushings

18

adapter

181

Phase phase selection means

2

hanger as

3

Power outlet

4

power cable

s

Previously known fastening device

s1

Profile rail (prior art)

s2

Inverter housing (prior art)

s3

Radiation head (prior art)

Claims (17)

Fastening device ( 1 ) for a light source ( 14 ) for generating light, comprising: - a docking station ( 11 ), which is designed for an electromechanical coupling of the illuminant ( 14 ) to the fastening device ( 1 ) and which is adapted to the lighting means ( 14 ) to supply an electrical output signal, in particular an output current signal; - one to the docking station ( 11 ) coupled power electronic converters ( 12 ), which is designed to convert an electrical input signal, in particular an input voltage signal, into the electrical output signal and to provide the output signal for the coupling point ( 11 ); and - a mechanical guide means ( 13 ) for guiding a line ( 134 ), which is designed, the electrical input signal to the power electronic converter ( 12 ), the mechanical guide means ( 13 ) a housing ( 132 ) having a longitudinal extent (L) which is a multiple of a transverse extent (Q ', Q'') of the housing ( 132 ) and wherein the mechanical guide means ( 13 ) is configured for an arrangement and / or for a suspension in and / or on a wall / ceiling; characterized in that the power electronic converter ( 12 ) is designed for an arrangement within the housing ( 132 ) of the mechanical guide means ( 11 ). Fastening device ( 1 ) according to claim 1, characterized in that the power electronic converter ( 12 ) a variety of on a board ( 121 ) arranged electronic components ( 122 ) having. Fastening device ( 1 ) according to claim 2, characterized in that the board ( 121 ) within the housing ( 132 ) of the mechanical guide means ( 13 ) is arranged. Fastening device ( 1 ) according to claim 2 or 3, characterized in that the board ( 121 ) into a first subarea ( 121-A ) and into a second subarea ( 121-B ) is divisible, wherein the first subregion ( 121-A ) and the second subarea ( 121-B ) are configured for a separate arrangement and for a mutual coupling by means of a number of electrically conductive connecting lines ( 123 ). Fastening device ( 1 ) according to one of the preceding claims 2 to 4, characterized in that the electronic components comprise at least one of the following: - a capacitor, - a coil, - a resistor, - a diode, - a transistor, - a control unit, in particular a microcontroller and / or an FPGA. Fastening device ( 1 ) according to one of the preceding claims, characterized in that the electrical input signal is a signal derived from a power supply signal, for example a 230 V AC voltage of 50 Hz, and / or the lighting means ( 14 ) comprises an LED and / or a gas discharge lamp and / or a halogen lamp. Fastening device ( 1 ) according to one of the preceding claims, characterized in that the guide means ( 13 ) is a rail, for example, a plaster profile rail with a U-shaped cross-section or a pendulum H-profile rail with an H-shaped cross-section. Fastening device ( 1 ) according to claim 7, characterized in that the profiled rail ( 13 ) has a length of over 20 cm and a height and a depth of less than 5 cm. Fastening device ( 1 ) according to claim 7 or 8, characterized in that the housing ( 132 ) of the profile rail ( 13 ) by at least two profile legs ( 132-A . 132-B ) and the power electronic converter ( 12 ) for an arrangement in one of the at least two Profkelkel ( 132-A . 132-B ) limited space is designed. Fastening device ( 1 ) according to one of the preceding claims, characterized in that the power electronic converter ( 12 ) an inverter housing ( 125 ), wherein the converter housing ( 125 ) for an arrangement within the housing ( 132 ) of the mechanical guide means ( 13 ) is configured. Fastening device ( 1 ) according to one of the preceding claims, characterized in that the fastening device ( 1 ) an adapter ( 18 ) with a phase selection means ( 181 ), which is designed for the power electronic converter ( 12 ) provide a phase signal of a plurality of phase signals of a power supply signal as an electrical input signal. Fastening device ( 1 ) according to claim 10 and according to claim 11, characterized in that the one housing of the adapter, the converter housing ( 125 ) trains. Fastening device ( 1 ) according to claim 12, characterized in that the housing of the adapter ( 125 ) is configured to form a catch with the housing ( 132 ) of the mechanical guide means ( 13 ), in particular for forming a latching with the at least two profile legs ( 132-A . 132-B ). Fastening device ( 1 ) according to claim 13, characterized in that the housing of the adapter ( 125 ) is configured for a coupling of the illuminant ( 14 ) and for a coupling of an optical unit, for example a covering means ( 15 ), wherein the housing of the adapter ( 125 ), the light source ( 14 ) and the optical unit are preferably designed as a module, which is used to form the latching with the housing (FIG. 132 ) of the mechanical guide means ( 13 ), in particular for forming a latching with the at least two profile legs ( 132-A . 132-B ) is configured. Fastening device ( 1 ) according to one of the preceding claims, characterized in that the coupling point ( 11 ) and / or the light source ( 12 ) is / are designed for an arrangement within the housing ( 132 ) of the mechanical guide means ( 13 ). Fastening device ( 1 ) according to one of the preceding claims, characterized in that the power electronic converter ( 12 ) is formed, the electrical output signal for the lighting means ( 14 ) to produce such that the electrical output signal to the light source ( 14 ) can be supplied without further processing to produce light. Fastening device ( 1 ) according to one of the preceding claims, characterized in that the mechanical guide means ( 13 ) is designed for a flush mounting arrangement.

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