Strain relief arrangement and light fixture equipped with same

Abstract

The present invention relates to a strain relief arrangement (1) for connection cables (A) of a light fixture (100), comprising: a support plate (2) for mounting in a light fixture (100), and a strain relief element (5) having a carrier portion (6) which is fastened to the support plate (2), and a clamping portion (7) which can be connected to the support portion (6) into a connection state in order to define a passage opening (8) for guiding through and clamping the connection cable (A), wherein the support plate (2) has a receiving portion (9) into which the clamping portion (7) can be releasably inserted in an insertion direction (E) along an insertion axis (Z) into a transport state in order to be held in the support plate (2) in a form-fitting manner at least in the direction transverse or perpendicular to the insertion axis (Z).

Description

[0001] Strain relief arrangement and luminaire equipped with it

[0002] Description:

[0003] The present invention relates to a strain relief arrangement for a connecting cable of a luminaire and to a luminaire equipped therewith.

[0004] Strain reliefs are a well-known technology. They are mechanical protective devices, particularly for flexible electrical connection cables. The purpose of a strain relief is generally to mechanically hold the connection cable close to the electrical connection points of the conductors, thus protecting these points from tensile stress. The strain relief absorbs the tensile forces acting on the cable, ensuring that the electrical connections remain unaffected. Such strain reliefs are used in a wide variety of electrical components and devices, including, for example, lighting fixtures.A connecting cable inserted into the light fixture can be guided via a suitable strain relief in order to mechanically relieve the electrical conductors that are connected in the light fixture.

[0005] The strain relief usually consists of a base part firmly connected to the housing, through which the connecting cable is passed, and on the other hand a plug-in part, such as in particular a strain relief bracket, which is joined to the base part, so that the connecting cable guided through the strain relief is clamped between these two components transversely to its direction of extension.

[0006] Electrical components, especially luminaires, are typically connected to the power cable and thus electrically wired only at the installation site. Until then, the strain relief is usually not yet assembled or closed. The strain relief bracket, or the upper part of the strain relief, is generally included loosely or in a bag within the luminaire's packaging, or transported loosely inside the luminaire. In this case, the strain relief bracket can slip inside the luminaire to a difficult-to-reach or inaccessible location. Because the strain relief bracket is currently provided separately and loosely, it can also be overlooked and therefore potentially not installed.Pulling on the connecting cable can cause the electrical conductors to detach from the electrical connections, disrupting the operation of any electrical component equipped with it, such as a light fixture. If the cable is exposed, this can also pose a danger to users. Since the upper part, or strain relief bracket, is supplied separately, it could be lost, potentially delaying the installation of the light fixture. Ordering replacement parts, in turn, incurs additional shipping costs and may require additional packaging material, thus generating waste; for example, an extra bag for the strain relief bracket.

[0007] It is therefore an object of the present invention to provide a strain relief arrangement for connecting cables of a luminaire and a luminaire equipped therewith, in which the components for providing the strain relief are provided in a transport-safe and preferably defined manner, and thus the strain relief can be manufactured simply and safely.

[0008] This problem is solved by the subject matter of the independent claims. The dependent claims further develop the central idea of ​​the present invention in a particularly advantageous manner.

[0009] According to a first aspect, the present invention relates to a strain relief arrangement for a connecting cable of a luminaire (or also of another electrical component or device). The strain relief arrangement comprises a mounting plate for installation in a luminaire. Furthermore, the strain relief arrangement comprises a strain relief element (hereinafter also referred to as "strain relief"). The strain relief element has a support section that is attached to the mounting plate. The strain relief element further comprises a clamping section that can be connected to the support section in such a way as to define an opening for passing through and clamping the connecting cable.The support plate has a receiving section into which the clamping section can be detachably inserted in an insertion direction along an insertion axis into a transport state, in order to be positively locked in the support plate at least in the direction transverse or perpendicular to the insertion axis. With the strain relief arrangement according to the invention, it is thus possible to provide strain relief in a simple manner, for example in a luminaire, using the support plate. Since the usually loose clamping section can be detachably held in a defined position in the support plate, it can be positioned precisely and thus be readily available to an operator during assembly. Because the clamping section is detachably held, it can be easily removed and connected to the support section to create the strain relief. Thus, the clamping section has a defined position – for example, in the delivered state of the luminaire.This eliminates the need for additional packaging or similar materials. The positive-locking connection also prevents the clamping section from shifting or ending up in an inaccessible or hard-to-reach location during transport. Furthermore, the clamping section cannot be forgotten in the packaging or disposed of with it, as it is transported and provided together with the mounting plate and the support section. Because it is located directly next to the support section, a customer or electrician can immediately identify the clamping section during connection and install it directly, simplifying the installation process and reducing the likelihood of incorrect or non-installation.

[0010] The support plate preferably comprises a first section and a second section extending at an angle α to the first section. This provides an overall stable support plate that can also be easily mounted in a luminaire.

[0011] The angle α is preferably in the range 70° < α < 110° or in the range 80° < α < 100°, or the angle α is α = 90°. The near-perpendicular arrangement of the two sections of the support plate allows for high dimensional stability and ease of assembly. This also enables the support plate to be designed particularly effectively for the corresponding attachment of the support section and the provision of the receiving section, as will be described further below. The second section preferably extends directly away from the first section at an angle. Therefore, the support plate can be designed as compactly as possible while maintaining high dimensional stability.

[0012] The first section and the second section preferably form an L-shaped section of the support plate, thus enabling high dimensional stability and good assembly.

[0013] The support section can preferably be attached to the first section. The second section can preferably include the receiving section (which could alternatively also be provided on the first section), into which the clamping section can be detachably inserted in the insertion direction along the insertion axis into the transport state, in order to be positively locked in the support plate at least in the direction transverse or perpendicular to the second section (alternatively then to the first section). Thus, the individual parts of the strain relief element can be provided effectively and precisely. If the support section on the one hand and the clamping section on the other are distributed separately across the two sections – i.e., in the transport state – they can be operated in a particularly simple manner and at the same time stored compactly.In particular, this makes it easy to put the clamping section into and out of the transport state without unintentionally colliding with the support section during handling, while the clamping section can then be easily and effectively connected to the support section.

[0014] The support section preferably extends along an axis of extension. This allows for the provision of a support section that effectively accommodates a connecting cable. The support section preferably extends transversely or perpendicularly to the support plate, preferably to the first section (especially if the support section is attached to it). Consequently, the support section is easily accessible for routing a connecting cable, which facilitates the connection of a component equipped with the strain relief device (e.g., a light fixture). Preferably, the support section extends away from the support plate, preferably from the first section (especially if the support section is attached to the first section). This allows the support section to be positioned in a particularly exposed location, which facilitates the routing of a connecting cable.

[0015] The insertion axis can preferably be oriented perpendicular to the support plate; that is, to the area of ​​the support plate on which the receiving section is located. This allows the clamping section to be easily accessible and stored or held in a particularly exposed position during transport. The insertion axis can especially preferably be oriented perpendicular to the second section and / or parallel to the first section; particularly if the support section on the one hand and the clamping section on the other are arranged across the two sections, as described above by way of example, so that each is individually well exposed and easy to operate.

[0016] The support plate, preferably at least its first and second sections, can preferably be formed integrally in one piece; this is particularly preferred as a stamped and bent part. Thus, a support plate that is particularly stable and easy to manufacture can be provided overall.

[0017] The clamping section preferably extends along a further axis of extension. This allows the clamping section to be provided particularly effectively and, for example, to clamp connecting cables of different diameters. In a particularly preferred embodiment, the further axis of extension can be aligned parallel to the axis of extension of the support section when connected. This allows these components of the strain relief assembly to be connected intuitively and effectively. Since they extend along the same or parallel axes of extension when connected, a connecting cable can be clamped particularly effectively in the strain relief element. The axis of extension of the support section and the axis of extension of the clamping section are preferably aligned coaxially or identically when connected.

[0018] The support section preferably has a U-shape. This provides a simple form and a simple yet effective way to route a connecting cable. The clamping section preferably has a U-shape. This allows the clamping section to be easily provided as a type of clamping bracket, enabling simple design and manufacturing, as well as easy and intuitive assembly.

[0019] The support section preferably comprises two substantially parallel receiving legs and a connecting leg linking the receiving legs. These preferably form the aforementioned U-shape. This allows the support section to be provided in a particularly simple yet effective manner.

[0020] The receiving legs can preferably extend parallel to the extension axis of the support section, thus defining a clearly defined space for receiving a connecting cable and making them particularly easy to manufacture.

[0021] The support section can preferably be attached to the support plate, preferably to the first section (especially if the support section is attached to the first section), via the connecting leg; preferably by means of a snap-fit ​​connection. This allows the support section to be mounted particularly stably and easily, while at the same time the receiving legs are well exposed for easy routing of a connecting cable. Attachment by means of a snap-fit ​​connection also enables particularly simple mounting of the support section to the support plate or its first section.

[0022] The clamping section preferably has two substantially parallel locking arms and a clamping arm connecting the locking arms. This allows the clamping section to be easily provided as a type of clamping bracket. The clamping section preferably has the U-shape described above. This allows for easy connection to the support section and enables particularly effective clamping of a connecting cable guided through the strain relief element.

[0023] The locking arms preferably extend parallel to the axis of extension of the clamping section, so that even when the connecting cable is inserted into the support section, a particularly simple connection with the support section and thus clamping of the connecting cable is possible.

[0024] In the connected state, the locking legs are preferably each lockable to another of the receiving legs, preferably in the direction along one of the extension axes, so that the clamping leg and the connecting leg, together with the receiving legs and / or locking legs extending at least partially between them, circumferentially define the feed-through opening. This provides a particularly effective and structurally simple strain relief.

[0025] The support section and the clamping section preferably each have corresponding locking structures to snap them together in the connected state. This enables a particularly simple yet effective connection between the support section and the clamping section.

[0026] The support section and the clamping section can preferably be connected to each other in different connection positions, preferably along at least one of the extension axes, in order to selectively change the feed-through opening – more precisely, the cross-sectional area of ​​the feed-through opening, particularly in one feed-through direction of a connecting cable. Thus, the strain relief element can be provided in a particularly simple yet highly effective manner, even for connecting cables of different diameters.

[0027] The receiving section and the clamping section can preferably be designed such that, in the transport state, the clamping section is held in the support plate along the insertion axis, preferably at least opposite to the insertion direction, by friction and / or positive locking; thus, it is releasably held. Therefore, the clamping section can be readily provided on the support plate in the transport state, so that it can be easily pulled out of the support plate – since it is releasable – and then, after inserting a connecting cable, connected to the support section in order to clamp the connecting cable for strain relief.The receiving section preferably has at least one recess in the support plate, which at least partially—preferably viewed in the insertion direction—has a cross-sectional contour of the clamping section, preferably of its locking arms, so that the clamping section can be received into the receiving section in a correspondingly positive-locking manner. This allows for the releasable insertion of the clamping section into the transport state in a particularly simple and intuitive way. Furthermore, the comparable cross-sectional contour provides a particularly effective receiving surface.

[0028] Kl emmab Schnitts .

[0029] The support plate, preferably the second section, may preferably have an offset section that is arranged relative to the receiving section in the direction of the insertion axis – and preferably opposite to the insertion direction – in order to support the clamping section transversely or perpendicularly to the insertion axis during transport. This allows for a particularly stable and preferably tilt-proof mounting of the clamping section within the receiving section. Preferably, the support plate or the second section has two offset sections located on either side of a plane defined by the insertion axis and the extension axis of the support section.

[0030] The offset section can preferably be arranged offset on a side of the support plate, preferably the second section, facing the support section. This allows a clamping section, easily accessible from this side, to utilize the advantages of the offset section particularly effectively. Furthermore, this method allows the support plate to be provided in a particularly compact manner.

[0031] The offset section can preferably be formed as an embossing in the support plate, preferably the second section. This allows the offset section to be designed particularly simply, while simultaneously providing stable support for the clamping section during transport.

[0032] The receiving section can preferably be arranged such that the clamping section projects through the support section in the transport state, with preferably at least the locking arms being guided between the receiving arms. This allows the strain relief arrangement to be provided in a particularly compact manner even in the transport state. The transport section can also preferably be used to hold the clamping section – preferably in addition to or solely with the receiving section. For example, the clamping section can be guided through the support section or its receiving arms to the receiving section in a simple manner, thus enabling particularly easy positioning of the clamping section in the transport state.

[0033] Preferably, the receiving section can be arranged such that the clamping section partially rests on the support section in the transport state, with the clamping leg preferably resting on the receiving legs. Thus, with a compact design of the strain relief arrangement, the clamping section can be held easily and securely; moreover, this is directly adjacent to the support section (i.e., also in the area through which the connecting cable passes) to which the clamping section is to be connected, which in turn makes it easier for the operator to keep the components ready and not forget to apply the strain relief.

[0034] The strain relief assembly can preferably also include a cable terminal block, which is attached or attachable to the support plate, and preferably to the second section. This allows the strain relief element for clamping the connecting cable and the cable terminal block for electrically connecting the conductors of the connecting cable to be positioned in a defined relative position to each other. Furthermore, these components are easy to handle, and during assembly of the strain relief assembly, all these components can be positioned and connected to each other in a simple and defined manner.

[0035] The cable terminal can preferably be arranged at the end of the second section opposite the first section. This allows for simple and effective routing of the connecting cable through the strain relief element to the cable terminal. It also enables the strain relief assembly to be as compact as possible. The support plate can preferably have a bearing section on which the strain relief assembly can be supported. This provides a simple, stable, and secure mounting option, particularly for the strain relief element.

[0036] The support section preferably includes a mounting section, such as a sheet metal section preferably with a mounting opening, for support or attachment to a corresponding mounting section of the luminaire. Thus, a suitably positioned support plate can be easily and preferably permanently mounted in a luminaire.

[0037] The support section can preferably include a support section for the load-bearing support of the strain relief assembly, for example, in the luminaire. This allows the support plate to be mounted and positioned particularly stably. The support section can preferably be formed by a sheet metal section extending essentially parallel to the first section and / or transversely to the second section, thus providing an overall particularly stable and compact design of the support plate.

[0038] The support plate can preferably be made of a metal or sheet material, preferably as a stamped and bent part, or of a plastic. Thus, the support plate can be designed according to requirements.

[0039] According to a further aspect, the present invention also relates to an electrical component or device, such as, in particular, a lamp. Therefore, if a lamp is described within the scope of the present invention, what has been written applies in principle to any type of electrical component or device to which a connecting cable is to be attached, and is thus encompassed by the invention. Consequently, within the scope of this disclosure, the term "electrical device" or "electrical component" can also be used instead of the term "lamp".

[0040] The luminaire has a housing for accommodating luminaire components for light emission (in the case of other electrical components / devices, these can also be other electrical components). The luminaire components can be, for example, light sources (e.g., LED light sources such as LED modules, etc.) and / or optical elements (e.g., reflectors, lenses, diffuser plates, etc.) and / or (electrical) operating elements (e.g., LED drivers, etc.) and the like, such as the cable connection terminal described above. Furthermore, the luminaire has a strain relief arrangement according to the invention, as previously described.The strain relief arrangement can be mounted in the luminaire housing in such a way that, in the mounting state, the clamping section can be released from the transport state and transferred into the clamping state in order to clamp a connecting cable (i.e., a connecting cable for operating the luminaire) led through the feed-through opening with the strain relief arrangement.

[0041] Therefore, the advantages already described for the strain relief arrangement can be equally applied to a luminaire equipped with it. The clamping section can thus be easily and directly positioned near the support section, making it easily identifiable for the operator, preventing it from shifting around inside the luminaire or being left outside (e.g., in packaging), and thus simplifying the overall connection of the luminaire.

[0042] A support section of the luminaire housing can preferably extend (transversely) behind the mounting plate, preferably behind the second section, in the mounting position and in the insertion direction, in line with the receiving section; preferably such that the clamping section rests on the support section in the transport position – preferably with its locking arms. Thus, the luminaire housing or the support section can provide a kind of stop, which makes it possible to hold the clamping section preferably in a defined position in the receiving section or at least to prevent the clamping section from slipping through the receiving section.

[0043] The luminaire housing preferably includes a cover section. This cover section can preferably be selectively movable between a cover position, in which the strain relief assembly is concealed, and a release position, in which the strain relief assembly is exposed to clamp the connecting cable with the strain relief assembly. This allows a portion of the electrical connection of the connecting cable to be easily and preferably also securely covered. This can also improve the overall aesthetic appearance of the luminaire.

[0044] The cover section can preferably extend (transversely) in the covering position, in line with the receiving section and opposite to the insertion direction, behind at least a portion of the clamping section in the transport state, preferably on the side of the clamping leg facing away from the locking arms, so that the clamping section in the transport state – preferably with its clamping leg – is limited by the cover section opposite to the insertion direction, thus holding the clamping section in the transport state. Consequently, when the cover section is closed, i.e., in the covering position, the clamping section cannot fall out opposite to its insertion direction, so that the clamping section can be held particularly securely in the transport state in any orientation of the luminaire.

[0045] The light fixture housing can preferably be made of metal, such as aluminum (e.g., using extrusion or die-casting processes) or sheet metal, or of plastic or similar materials.

[0046] Further advantages and embodiments of the present invention are described below with reference to the figures in the accompanying drawing. These show:

[0047] Fig. 1 shows a perspective partial sectional view of a luminaire according to the invention with a strain relief arrangement according to the invention in the transport state according to an embodiment of the present invention.

[0048] Fig. 2 shows a perspective partial sectional view of the luminaire according to the invention with the strain relief arrangement according to Fig. 1 in the connected state,

[0049] Fig. 3 shows a side view of the luminaire and strain relief arrangement according to the invention as shown in Fig. 1. Fig. 4 shows a side view of the luminaire and strain relief arrangement according to the invention as shown in Fig. 2.

[0050] Fig. 5 shows a partially translucent top view of the lamp according to the invention and the strain relief arrangement according to Fig. 1.

[0051] Fig. 6 shows a partially translucent top view of the lamp according to the invention and the strain relief arrangement according to Fig. 2.

[0052] Fig. 7 shows a perspective view of the support plate of the inventive strain relief arrangement according to Fig. 1,

[0053] Fig. 8 shows a side view of the support plate according to Fig. 7, and

[0054] Fig. 9 shows a front view of the support plate according to Fig. 7.

[0055] The figures show different views of an inventive strain relief arrangement 1 for connecting cable A of an inventive luminaire 100 shown in figures 1 to 6, as well as components thereof.

[0056] The strain relief arrangement 1 has a support plate 2 for mounting on or in a luminaire 100, as can be seen from all figures, and in particular from figures 7 to 9. The support plate 2 is preferably made of a metal or sheet material, preferably as a stamped and bent part, or of a plastic.

[0057] As can be seen in particular from Figures 3, 4, 7 and 8, the support plate 2 can have a first section 3 and a second section 4 extending to the first section 3 at an angle α. The angle α is preferably in the range 70° < α < 110° or in the range 80° < α < 100° or is α = 90°, as can be seen, for example, from Figure 8.

[0058] As can be seen particularly in Figures 7 and 8, the second section 4 can extend directly away from the first section 3 at an angle. As can also be clearly seen in Figures 7 and 8, the first section 3 and the second section 4 can preferably together form an L-shaped section of the support plate 2.

[0059] The support plate 2, preferably at least its first section 3 and its second section 4, are preferably integrally formed in one piece, preferably as a stamped-bent part, as can also be seen, for example, in Figures 7 and 8.

[0060] As can be seen in particular from Figures 1 to 4, the support plate 2 can have a support section 12, 13 on which the strain relief assembly 1 can be supported. The support section preferably has a fastening section 12, such as a sheet metal section of the support plate 2, preferably with a mounting opening, for supporting or fastening to a corresponding fastening section 115 (here, for example, in the form of a dome-shaped indentation, a raised section, or a projecting section) of the luminaire 100 or its luminaire housing 110. In the embodiment shown here, the strain relief assembly 1 is fastened or fixed by means of a screw S. The support section preferably has a support section 13 for supporting the strain relief assembly 1 in the luminaire 100 or on or in the luminaire housing 110.The support section 13 can preferably be formed by a sheet metal section 14, preferably extending substantially parallel to the first section 3 and / or transversely to the second section 4, as can be seen in Figures 1 to 4.

[0061] With reference to Figures 1 to 6, the strain relief arrangement 1 can further comprise a cable connection terminal 11. This terminal is attached here to the support plate 2, preferably to the second section 4. The cable connection terminal 11 can preferably be arranged at an end of the second section 4 facing away from the first section 3, as can be seen in particular in Figures 3 and 4.

[0062] The strain relief arrangement 1 further comprises a strain relief element 5, as can be seen in particular in Figures 1 to 6. The strain relief element 5 has a support section 6 which is attached to the support plate 2, and preferably to the first section 3. As can be seen, for example, in Figure 6, the support section 6 can have a U-shape.

[0063] The support section 6 can preferably extend along an axis of extension X; preferably transversely or perpendicularly to the support plate 2, preferably to the first section 3, and / or away from the support plate 2, preferably the first section 3, as can be seen in particular from the combined view of Figures 3 to 6.

[0064] The support section 6 preferably has two substantially parallel receiving legs 60 and a connecting leg 61 linking the receiving legs 60, as can be seen particularly in Fig. 6. The receiving legs 60 preferably extend parallel to the axis of extension X of the support section 6. The support section 6 can be attached to the support plate 2, preferably to the first section 3, preferably via the connecting leg 61; this is preferably done by means of a snap-fit ​​connection, as can also be seen in the combined view of Figures 3 to 6. For this purpose, the connecting leg 61 has, by way of example, snap-fit ​​projections 63 on its rear side facing away from the receiving legs 60, which can be snapped into a snap-fit ​​opening 32 of the support plate 2, preferably of the first section 3, as can be seen particularly in Figures 3 and 4.

[0065] The strain relief element 5 further comprises a clamping section 7. The clamping section 7 is connected to the support section 6 in such a way as to (see figure).

[0066] Figures 2, 4 and 6) can be connected to define a feedthrough opening 8 (see Fig. 6) for feeding through and clamping the connecting cable A (see Fig. 4). The clamping section 7 can preferably also have a U-shape, as can be seen by way of example from the combined view of Figures 3 and 6.

[0067] The clamping section 7 can preferably extend along a further axis Y. As can be seen, for example, in Figures 4 and 6, the further axis Y of the clamping section 7 can preferably be aligned parallel to the axis X of the support section 6 in the connected state and, more preferably, be identical to it. The clamping section 7 can preferably have two substantially parallel locking legs 70 and a clamping leg 71 connecting the locking legs 70, as can be seen by way of example in the combined view of Figures 1 and 6. The locking legs 70 can preferably extend parallel to the axis Y of the clamping section 7, as can also be seen by way of example in Figure 6.

[0068] As can also be seen by way of example in Fig. 6, in the connected state the locking legs 70 can each be connected to another of the receiving legs 60 in a locking manner, preferably in the direction along one of the extension axes X, Y, so that the clamping leg 71 and the connecting leg 61 together with the receiving legs 60 and / or locking legs 70 extending at least partially between them circumferentially limit the passage opening 8.

[0069] As only schematically indicated here, the support section 6 on the one hand and the clamping section 7 on the other hand can each have corresponding locking structures 62, 72 in order to connect the support section 6 and the clamping section 7 to each other in the connection state by locking them together.

[0070] The support section 6 and the clamping section 7 can preferably be connected to each other in different connection positions, preferably along at least one of the extension axes X, Y, preferably in a snap-fit ​​manner, in order to selectively change the cross-sectional area of ​​the feedthrough opening 8.

[0071] As can be seen in particular from Figures 1 to 4 and 7 to 9, the support plate 2 has a receiving section 9. The clamping section 7 can be detachably inserted into the receiving section 9 in an insertion direction E along an insertion axis Z into a transport state (see Figures 1, 3 and 5), such that it is positively locked in the support plate 2 at least in the direction transverse or perpendicular to the insertion axis Z. In the embodiment shown here, the second section 4 has the receiving section 9. The clamping section 7 can then be detachably inserted into the receiving section 9 in the insertion direction E along the insertion axis Z into the transport state, such that it is positively locked in the support plate 2 at least in the direction transverse or perpendicular to the second section 4, as can also be seen, for example, in Figures 1 and 3.The insertion axis Z can preferably be aligned perpendicular to the support plate 2, preferably perpendicular to the second section 4 and / or preferably parallel to the first section 3, as can be seen, for example, in the illustrations of Figures 3 and 8.

[0072] The receiving section 9 and the clamping section 7 can preferably be designed such that the clamping section 7 is held in the support plate 2 (releasably) in the transport state along the insertion axis Z, preferably at least opposite to the insertion direction E, by friction and / or positive locking, as can be seen schematically from the combined view of Figures 1 and 3. As can be seen in particular from Figures 1, 2 and 7, the receiving section 9 can have at least one recess 90 (here two recesses 90) in the support plate 2. The recess 90 can have at least partially – preferably viewed in the insertion direction E – a cross-sectional contour comparable to or identical with the clamping section 7, preferably with its locking arms 70, so that the clamping section 7 can be received in the receiving section 9 in a correspondingly positive locking manner, as can also be seen from the combined view of Figures 1 and 7.

[0073] With reference to Figures 1 to 4 and 7 to 9, the support plate 2, preferably the second section 4, can further have an offset section 10 which is arranged offset with respect to the receiving section 9 in the direction of the insertion axis Z - and preferably against the insertion direction E - in order to support the clamping section 7 in the transport state transversely or perpendicularly to the insertion axis Z; here to both sides outwards with respect to a plane spanned by the insertion axis Z and the extension axis X of the support section 6.

[0074] The offset section 10 is preferably arranged offset on a side of the support plate 2, preferably of the second section 4, facing the support section 6, as can be seen particularly clearly in Figures 7 and 8.

[0075] The offset section 10 can preferably be formed as an embossing in the support plate 2 or its second section 4, as can be seen in particular in Fig. 7.

[0076] The receiving section 9 can preferably be arranged such that the clamping section 7 projects through the carrier section 6 in the transport state, preferably at least the locking legs 70 are guided between the receiving legs 60, as can be seen by way of example from the combination of figures 1, 3 and 5.

[0077] The receiving section 9 can preferably be arranged such that the clamping section 7 rests on the support section 6 in the transport state, with the clamping leg 71 preferably resting on the receiving legs 60. In the embodiment shown here, the clamping leg 71 has, for this purpose, an exemplarily widened head section or flange projection 73, as can be seen by way of example in FIGS. 3 to 6.

[0078] With reference to Figures 1 to 6, the lamp 100 according to the invention is described below.

[0079] The luminaire 100 has a housing 110 for accommodating luminaire components 120 for light emission. The housing can be made of metal (e.g., aluminum (e.g., by extrusion or die casting) or sheet metal), plastic, another material, or a combination of these or other materials. The luminaire components can include, for example, light sources (e.g., LED light sources such as LED modules, etc.) and / or optical elements (e.g., reflectors, lenses, diffuser plates, etc.) and / or (electrical) operating elements (e.g., LED drivers, etc.), and the like, such as the previously described cable connection terminal 11.

[0080] The luminaire 100 further comprises the strain relief arrangement 1 according to the invention. As shown, the strain relief arrangement 1 can be mounted in (or on) the luminaire housing 110 in an assembly state (see Figures 1 to 6) such that, in the assembly state, the clamping section 7 can be released from the transport state (see Figures 1, 3, 5) and transferred to the clamping state (see Figures 2, 4, 6) in order to clamp a connecting cable A, which is guided through the feedthrough opening 8, for operating the luminaire 100 with the strain relief arrangement 1.

[0081] As can be seen in particular from Fig. 3, a support section 111 of the lamp housing 110 can extend (transversely) in the assembly state in the alignment of the receiving section 9 seen in the insertion direction E, behind the support plate 2, preferably behind the second section 4; preferably in such a way that the clamping section 7 in the transport state - preferably with its locking legs 70 - rests or can rest on the support section 111.

[0082] As can be seen in particular from Figures 1, 2, 5 and 6, the luminaire housing 110 can have a cover section 112. The cover section 112 is selectively movable between a cover position (see Figures 1 to 6), in which the strain relief assembly 1 is covered, and a release position (indicated in Figure 3), in which the strain relief assembly 1 is exposed to clamp the connecting cable A with the strain relief assembly 1. Preferably, the cover section 112 is designed such that, in the release position, at least a portion of the optionally provided cable terminal 11 is also exposed to allow the electrical conductors L of the connecting cable A leading into the luminaire 100 to be electrically connected to the cable terminal 11; preferably before or after the connecting cable A has been clamped by means of the strain relief element 5.

[0083] As can be seen from Figures 1 and 2, the cover section 112 can be formed integrally with the luminaire housing 110. In the embodiment shown here, the luminaire housing 110 can, for example, be made of sheet metal. However, the luminaire housing 110 can also be made of a (different) metal (e.g., aluminum; e.g., by continuous casting or die casting) or of a plastic or a combination thereof. The cover section 112 can, for example, be designed to pivot. In the embodiment shown here, a pivot section or hinge section 113 is formed integrally in the luminaire housing 110 by means of a punched-out section. In principle, the cover section 112 can also be movably (e.g., pivotably) connected to the luminaire housing 110 by a separate hinge. It is also conceivable that the cover section 112 can be completely removed from the rest of the luminaire housing 110 in the release position.In the cover position, the cover section 112 can preferably be locked to the rest of the luminaire housing 110.

[0084] The cover section 112 can preferably extend in the covering position in the alignment of the receiving section 9, viewed against the insertion direction E, behind at least a part of the clamping section 7, preferably on the side of the clamping leg 71 facing away from the locking arms 70, in the transport state (transversely), so that the clamping section 7 in the transport state – preferably with its clamping leg 71 – is limited by the cover section against the insertion direction E in such a way that the clamping section 7 is held in the transport state; thus, preferably, it cannot (completely) fall or slide out of the receiving section 9.5 The present invention is not limited by the embodiment described above, insofar as it is encompassed by the subject matter of the following claims.

Claims

Claims:

1. Strain relief arrangement (1) for connecting cable (A) of a luminaire (100), comprising: a support plate (2) for mounting in a luminaire (100), and a strain relief element (5) with a support section (6) which is attached to the support plate (2), and a clamping section (7) which can be connected to the support section (6) in such a way as to define a feed-through opening (8) for passing through and clamping the connecting cable (A), wherein the support plate (2) has a receiving section (9) into which the clamping section (7) can be detachably inserted in an insertion direction (E) along an insertion axis (Z) into a transport state in order to be positively locked in the support plate (2) at least in the direction transverse or perpendicular to the insertion axis (Z).

2. Strain relief arrangement (1) according to the preceding claim, wherein the support plate (2) has a first section (3) and a second section (4) extending to the first section (3) at an angle α.

3. Strain relief arrangement (1) according to the preceding claim, wherein the angle a is in the range 70° < a < 110° or in the range 80° < a < 100° or a = 90°.

4. Strain relief arrangement (1) according to one of the two preceding claims, wherein the second section (4) extends directly away from the first section (3) at an angle.

5. Strain relief arrangement (1) according to one of the three preceding claims, wherein the first section (3) and the second section (4) together form an L-shaped section of the support plate (2).

6. Strain relief arrangement (1) according to one of the four preceding claims, wherein the support section (6) is attached to the first section (3), and / or wherein the second section (4) has the receiving section (9) into which the clamping section (7) can be detachably inserted in the insertion direction (E) along the insertion axis (Z) into the transport state in order to be positively locked in the support plate (2) at least in the direction transverse or perpendicular to the second section (4).

7. Strain relief arrangement (1) according to one of the preceding claims, wherein the support section (6) extends along an axis of extension (X), preferably transversely or perpendicularly to the support plate (2), preferably to the first section (3), and / or away from the support plate (2), preferably the first section (3).

8. Strain relief arrangement (1) according to one of the preceding claims, wherein the insertion axis (Z) is aligned perpendicular to the support plate (2), preferably perpendicular to the second section (4) and / or preferably parallel to the first section (3).

9. Strain relief arrangement (1) according to one of the preceding claims, wherein the support plate (2), preferably at least its first section (3) and its second section (4), is / are integrally formed in one piece, preferably as a stamped-bent part.

10. Strain relief arrangement (1) according to one of the preceding claims, wherein the clamping section (7) extends along a further axis of extension (Y), which is preferably aligned parallel to the axis of extension (X) of the support section (6) in the connected state.

11. Strain relief arrangement (1) according to one of the preceding claims, wherein the support section (6) has a U-shape, and / or wherein the clamping section (7) has a U-shape.

12. Strain relief arrangement (1) according to one of the preceding claims, wherein the support section (6) has two substantially parallel receiving legs (60) and a connecting leg (61) connecting the receiving legs (60), wherein preferably the receiving leg (60) extends parallel to the extension axis (X) of the support section (6), wherein preferably the support section (6) is attached to the support plate (2), preferably to the first section (3), via the connecting leg (61), preferably by means of a snap connection.

13. Strain relief arrangement (1) according to one of the preceding claims, wherein the clamping section (7) has two substantially parallel locking legs (70) and a clamping leg (71) connecting the locking legs (70), wherein the locking legs (70) preferably extend parallel to the extension axis (Y) of the clamping section (7).

14. Strain relief arrangement (1) according to the two preceding claims, wherein in the connected state the locking legs (70) can each be locked together with another of the receiving legs (60), preferably in the direction along one of the extension axes (X, Y), so that the clamping leg (71) and the connecting leg (61) together with the receiving legs (60) and / or locking legs (70) extending at least partially between them circumferentially limit the passage opening (8).

15. Strain relief arrangement (1) according to one of the preceding claims, wherein the support section (6) and the clamping section (7) each have corresponding locking structures (62, 72) to lock the support section (6) and the clamping section (7) together in the connected state.

16. Strain relief arrangement (1) according to one of the preceding claims, wherein the support section (6) and the clamping section (7) can be connected to each other in different connection positions, preferably along at least one of the extension axes (X, Y), in order to selectively change a cross-sectional area of ​​the feedthrough opening (8).

17. Strain relief arrangement (1) according to one of the preceding claims, wherein the receiving section (9) and the clamping section (7) are designed such that the clamping section (7) is held in the support plate (2) in the transport state along the insertion axis (Z), preferably at least against the insertion direction (E), by friction and / or by form locking.

18. Strain relief arrangement (1) according to one of the preceding claims, wherein the receiving section (9) has at least one recess (90) in the support plate (2) which has at least a section-wise - preferably viewed in the insertion direction (E) - a cross-sectional contour of the clamping section (7), preferably of its locking legs (70), so that the clamping section (7) can be received into the receiving section (9) in a correspondingly at least positively locking manner.

19. Strain relief arrangement (1) according to one of the preceding claims, wherein the support plate (2), preferably the second section (4), has an offset section (10) which is arranged offset with respect to the receiving section (9) in the direction of the insertion axis (Z) - and preferably against the insertion direction (E) - in order to support the clamping section (7) in the transport state transverse to the insertion axis (Z).

20. Strain relief arrangement (1) according to the preceding claim, wherein the offset section (10) is arranged offset on a side of the support plate (2), preferably of the second section (4), that points towards the support section (6).

21. Strain relief arrangement (1) according to one of the two preceding claims, wherein the offset section (10) is formed as an embossing in the support plate (2).

22. Strain relief arrangement (1) according to one of the preceding claims, wherein the receiving section (9) is arranged such that the clamping section (7) projects through the carrier section (6) in the transport state, preferably at least the locking legs (70) are passed between the receiving legs (60).

23. Strain relief arrangement (1) according to one of the preceding claims, wherein the receiving section (9) is arranged such that the clamping section (7) rests partially on the support section (6) in the transport state, wherein, if present, the clamping leg (71) preferably rests on the receiving legs (60).

24. Strain relief arrangement (1) according to one of the preceding claims, further comprising a cable connection clamp (11) which is attached to the support plate (2), preferably to the second section (4), wherein preferably the cable connection terminal (11) is arranged at an end of the second section (4) facing away from the first section (3).

25. Strain relief arrangement (1) according to one of the preceding claims, wherein the support plate (2) has a support section (12, 13) on which the strain relief arrangement (1) can be supported in a load-bearing manner, wherein the support section preferably has a fastening section (12), such as a sheet metal section preferably with a mounting opening, for supporting and preferably fastening to a corresponding fastening section (115) of a luminaire (100), and / or wherein the support section preferably has a support section (13) for supporting the strain relief arrangement (1) in the luminaire (100), wherein the support section (13) is preferably formed by a sheet metal section (14) extending substantially parallel to the first section (3) and / or transversely to the second section (4).

26. Strain relief arrangement (1) according to one of the preceding claims, wherein the support plate (2) is made of a metal or sheet material, preferably as a stamped and bent part, or of a plastic.

27. Light fixture (100) having, a luminaire housing (110) for receiving luminaire components (120) for light emission, and a strain relief arrangement (1) according to one of the preceding claims, which can be mounted in the luminaire housing (110) in an assembly state such that in the assembly state the clamping section (7) can be released from the transport state and transferred into the clamping state in order to clamp a connecting cable (A) led through the feedthrough opening (8) for operating the luminaire (100) with the strain relief arrangement (1).

28. Luminaire (100) according to the preceding claim, wherein a support section (111) of the luminaire housing (110) extends transversely in the assembly state in the alignment of the receiving section (9) seen in the insertion direction (E) behind the support plate (2), preferably behind the second section (4), preferably such that the clamping section (7) rests on the support section (111) in the transport state - preferably with its locking legs (70).

29. Luminaire (100) according to one of the two preceding claims, wherein the luminaire housing (110) has a cover section (112), wherein the cover section (112) is selectively movable between a cover position in which the strain relief arrangement (1) is covered and a release position in which the strain relief arrangement (1) is exposed in order to clamp the connecting cable (A) with the strain relief arrangement (1).

30. Luminaire (100) according to the preceding claim, wherein the cover section (112) is located in the covering position in the alignment of the receiving section (9) opposite to the insertion direction (E) behind at least a part of the clamping section (7), preferably on the side of the clamping section (7) facing away from the locking legs (70). The clamping leg (71) extends transversely in the transport state, so that the clamping section (7) in the transport state - preferably with its clamping leg (71) - is limited by the cover section in such a way as to keep the clamping section (7) in the transport state.

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