EP2642193B1 - LED wet room light - Google Patents

LED wet room light Download PDF

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Publication number
EP2642193B1
EP2642193B1 EP13159701.5A EP13159701A EP2642193B1 EP 2642193 B1 EP2642193 B1 EP 2642193B1 EP 13159701 A EP13159701 A EP 13159701A EP 2642193 B1 EP2642193 B1 EP 2642193B1
Authority
EP
European Patent Office
Prior art keywords
base part
moisture
cover
seal
proof lamp
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
EP13159701.5A
Other languages
German (de)
French (fr)
Other versions
EP2642193A2 (en
EP2642193A3 (en
Inventor
Erich Schwärzler
Gerald Ladstätter
Andreas Machate
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Zumtobel Lighting GmbH Austria
Original Assignee
Zumtobel Lighting GmbH Austria
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Zumtobel Lighting GmbH Austria filed Critical Zumtobel Lighting GmbH Austria
Publication of EP2642193A2 publication Critical patent/EP2642193A2/en
Publication of EP2642193A3 publication Critical patent/EP2642193A3/en
Application granted granted Critical
Publication of EP2642193B1 publication Critical patent/EP2642193B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V31/00—Gas-tight or water-tight arrangements
    • F21V31/005—Sealing arrangements therefor
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V15/00—Protecting lighting devices from damage
    • F21V15/01—Housings, e.g. material or assembling of housing parts
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V17/00—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages
    • F21V17/10—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages characterised by specific fastening means or way of fastening
    • F21V17/16—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages characterised by specific fastening means or way of fastening by deformation of parts; Snap action mounting
    • F21V17/164—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages characterised by specific fastening means or way of fastening by deformation of parts; Snap action mounting the parts being subjected to bending, e.g. snap joints
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V23/00—Arrangement of electric circuit elements in or on lighting devices
    • F21V23/02—Arrangement of electric circuit elements in or on lighting devices the elements being transformers, impedances or power supply units, e.g. a transformer with a rectifier
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V29/00—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
    • F21V29/50—Cooling arrangements
    • F21V29/502—Cooling arrangements characterised by the adaptation for cooling of specific components
    • F21V29/507—Cooling arrangements characterised by the adaptation for cooling of specific components of means for protecting lighting devices from damage, e.g. housings
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V29/00—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
    • F21V29/50—Cooling arrangements
    • F21V29/70—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks
    • F21V29/74—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks with fins or blades
    • F21V29/76—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks with fins or blades with essentially identical parallel planar fins or blades, e.g. with comb-like cross-section
    • F21V29/763—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks with fins or blades with essentially identical parallel planar fins or blades, e.g. with comb-like cross-section the planes containing the fins or blades having the direction of the light emitting axis
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V3/00—Globes; Bowls; Cover glasses
    • F21V3/04—Globes; Bowls; Cover glasses characterised by materials, surface treatments or coatings
    • F21V3/06—Globes; Bowls; Cover glasses characterised by materials, surface treatments or coatings characterised by the material
    • F21V3/062—Globes; Bowls; Cover glasses characterised by materials, surface treatments or coatings characterised by the material the material being plastics
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
    • F21Y2103/00—Elongate light sources, e.g. fluorescent tubes
    • F21Y2103/10—Elongate light sources, e.g. fluorescent tubes comprising a linear array of point-like light-generating elements
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
    • F21Y2115/00—Light-generating elements of semiconductor light sources
    • F21Y2115/10—Light-emitting diodes [LED]

Definitions

  • the invention relates to a wet room luminaire with LEDs (LED: light-emitting diode) as the light source.
  • LEDs LED: light-emitting diode
  • the LEDs and usually other electronic components such as a ballast, arranged in an interior of the wet room light, which must be well sealed against moisture to ensure the functionality of the LEDs and the other electronic components.
  • a wet room light with a base body which serves to hold the LEDs and other electronic components.
  • the interior is formed on the one hand by the base body and on the other hand by a transparent cover, wherein a seal is arranged sealingly between the base body and the cover.
  • the base body is formed by an aluminum die casting, which has a circumferential double-walled edge.
  • a sealing material is inserted in the production, which is then compressed when placing the cover from the peripheral edge of the cover.
  • the cover is attached by means of mounting brackets which act between the cover and the base body.
  • an LED wet room luminaire comprising a base part and a translucent cover which is tightly connected to the base part by means of a sealing foam.
  • a moisture-proof luminaire is also known.
  • a luminaire in which LEDs are arranged on a base part.
  • the base part is connected via a foamed seal with a translucent cover.
  • the seal is arranged on a flat surface area of the base part.
  • the invention has for its object to provide a corresponding improved wet room light.
  • the wet room lamp should be able to be manufactured with reduced effort.
  • a wet room light having LEDs as the light source of the humidity lamp, a base part on which the LEDs are mounted, a light-transmitting cover, and a gasket sealingly disposed between the base part and the cover.
  • the seal is formed by foaming on the base part.
  • the seal is formed by foaming on the base part, it can be attached to a flat surface portion of the base part.
  • the base part does not have to have a circumferential double-walled or groove-shaped structure into which the seal is introduced. Therefore, the base part may be formed in particular as a profile body, so that the production of the base part and thus the wet room light is facilitated.
  • the base part is preferably formed from a profile part.
  • it consists of a profile part.
  • the effort in the production of wet room light is reduced.
  • a correspondingly manufactured tool for forming a correspondingly long die-cast aluminum part is required for each special length of the moisture-proof luminaire.
  • the base part is coated, for example powder-coated.
  • a particularly good bond between the base part and the seal can be produced.
  • the base part is made of aluminum.
  • a heat sink for the LEDs can be formed particularly suitably by the base part.
  • the base part has an upper side which forms an outer surface of the moisture-proof lamp. This makes it possible that a heat that is caused for example by the LEDs, can be delivered from the base part particularly effective to the environment of the moisture lamp.
  • the base part comprises a lower side with a planar surface region extending at the edge of the underside, wherein the seal only contacts the underside in the planar surface region.
  • the base part furthermore has a side surface adjoining the edge, wherein the seal is also partially foamed on the side surface. This makes it possible to produce a particularly good connection or retention of the seal on the base body.
  • the cover is connected via a latching connection with the base part.
  • a suitable pressure of the cover against the seal allows a particularly simple installation.
  • the cover has an edge region which is more elastic than the rest of the cover.
  • the more elastic edge region can be advantageously used for producing the latching connection.
  • the cover is made in a two-component injection molding process.
  • the cover can be formed, for example, advantageously with an opaque edge region and a light-permeable main region, wherein the two regions are each formed by one of the two components.
  • the cover has a cutting-shaped extension, which is arranged incising into the seal. This makes it possible to achieve a particularly good sealing effect of the seal.
  • the cover is designed so that it only contacts the seal from below, it is possible to reduce the risk that a water running on the outside of the seal will penetrate into the contact area between the cover and the seal; In particular, it can be practically avoided that the water penetrates to the cutting-shaped extension and accumulates there.
  • the wet room lamp further comprises a ballast, which is arranged on the underside of the base part.
  • a ballast which is arranged on the underside of the base part.
  • the LEDs are preferably arranged via an intermediate element on the underside of the base part, preferably at a lower level than a lower edge of the ballast.
  • the intermediate element may, for example, advantageously be profile-shaped in terms of production technology. It is preferably made of aluminum. In this case, a particularly good heat conduction from the LEDs to the base body is possible.
  • the cover is structured and / or has lenses.
  • a targeted optical influencing of the light emitted by the LEDs can advantageously be achieved.
  • a wet room light having LEDs as the light source of the humidity lamp, a base part on which the LEDs are mounted, a light-transmitting cover, and a gasket sealingly disposed between the base part and the cover.
  • the base part in this case has an underside with a flat surface region running on its edge, wherein the seal only contacts the underside in the planar surface region.
  • Fig. 1 shows a perspective view of a first embodiment of a moisture lamp according to the invention obliquely from above.
  • Fig. 2 is a cross section outlined by the wet room light, in Fig. 3 a broken longitudinal section.
  • the wet room light according to this example is generally elongate, so that they along a, in Fig. 3 indicated longitudinal axis L extends.
  • the moisture-proof luminaire has LEDs 2, which form a light source of the moisture-proof luminaire. Accordingly, the moisture-proof luminaire is designed in such a way that the LEDs 2 are designed to emit a light, which is subsequently emitted by the moisture-proof luminaire to an environment of the moisture-proof luminaire.
  • the wet room lamp has a base part 3, on which the LEDs 2 are mounted.
  • the base part 3 is formed from a profile part or it consists of a profile part. This makes the base part particularly easy produce. For example, it can be in the profile part to an extruded profile part - also known as "Stangpress-profile part" - act.
  • the production of a profile part is basically easier than the production of a die-cast part.
  • the profile part preferably extends with its longitudinal axis parallel to the longitudinal axis L of the moisture-proof light.
  • the LEDs 2 can be arranged on at least one circuit board 4, wherein the at least one circuit board 4 can be supported either directly or indirectly on the base body 3.
  • the at least one circuit board 4 is indirectly supported on the base body 3, via an intermediate element 5, for example in the form of a profile-shaped aluminum part or a carrier plate whose longitudinal axis is also oriented parallel to the longitudinal axis L of the moisture lamp.
  • the wet room light on a translucent, for example made of plastic cover 6.
  • the design is such that the light emitted by the LEDs 2 can pass through the cover 6 and thereafter enters the environment of the wet room lamp.
  • a seal 7 is sealingly arranged between the base part 3 and the cover 6, a seal 7 is sealingly arranged.
  • a sealed interior 8 of the wet room lamp is formed, which is enclosed by the base part 3, the seal 7 and the cover 6 or limited.
  • the seal 7 is annular in a horizontal plane, so that - viewed in horizontal section at the level of the seal 7 - a quasi-sided sealing of the interior 8 is formed.
  • the LEDs 2 are arranged in the inner space 8, so that they are protected accordingly.
  • the seal 7 is designed in particular correspondingly tight against moisture.
  • the seal 7 may for example consist of a thermoplastic elastomer.
  • the seal 7 is formed in particular by foaming or foaming or injection molding on the base part 3. Such foaming is on a plan or unstructured surface area of the base part 3 is possible. Accordingly, in particular, the base part 3 does not need to have a groove or the like surface structure annularly formed along the edge of the base part into which a sealing material can be inserted. Thus, the base part 3 without a - with respect to the longitudinal axis L - transverse groove portion form. Characterized in that the seal 7 is formed by foaming, so can make the base part 3 manufacturing technology advantageous.
  • the base part 3 or the corresponding profile part is not flat on one side (in the drawings “below") as shown in the drawings, but has profiling on both sides, it is preferably provided that the profile part is respectively milled from the front side ., Is, so that a circumferentially planar or flat AnMum Structure is formed or provided.
  • the base part 3 that is to say for example a corresponding aluminum profile
  • the seal 7 can be foamed in a tool and preformed in this way, so with a desired cross-sectional shape.
  • the seal 7 is dimensioned such that it can compensate for different length expansions between the base part 3 on the one hand and the cover 6 on the other hand, as they can occur due to operational temperature variations of the moisture lamp, elastic.
  • the base part 3 has an underside 32, which has a plane surface region 321 extending at the edge of the underside 32, the seal 7 contacting the underside 32 only in the planar surface region 321.
  • the base part 3 can thus be formed with a correspondingly simple shape design.
  • the bottom 32 may be designed to be at least substantially planar or in a plane E running.
  • the base part 3 is accordingly shaped in such a way that the planar surface region 321 extends annularly circumferentially along the edge of the base part 3, for example running within one or the plane E.
  • the seal 7 can be closed in a particularly closed ring shape with the base part 3.
  • the seal 7 may also be glued to the base part 3 or the planar surface region 321.
  • the base part 3 furthermore has a side surface 33 adjoining the edge of the underside 32, wherein the seal 7 is partially foamed on the side surface 33 as well. This makes it possible to effect a particularly good connection between the seal 7 and the base part 3 or a particularly good retention of the seal 7 on the base part 3.
  • the base part 3 is preferably coated, in particular powder-coated. This makes it possible to achieve that the seal 7 bonds particularly well with the base part 3 during foaming.
  • the base part 3 is made of aluminum, it may be particularly well designed as a heat sink for the LEDs 2.
  • the design is preferably such that the base part 3 has an upper side 31 which forms an outer boundary of the moisture-proof lamp.
  • the design is such that this upper side 31 of the base part 3 faces upward with respect to gravity when the orientation or orientation of the moisture-proof luminaire is intended for operation of the moisture-proof luminaire, because this enables a particularly effective dissipation of heat to the surroundings of the moisture-proof luminaire.
  • the base part 3 further on its upper side 31 formed cooling fins 35, through which in a conventional manner, a particularly effective heat dissipation is supported again.
  • the cooling fins 35 are designed such that they extend parallel to the longitudinal axis L. In this way, the base part 3 may be formed with the cooling fins 35 as a profile part.
  • the cover 6 is preferably connected via a latching connection with the base part 3.
  • brackets 9 may be provided, which are arranged on the one hand, the cover 6 encompassing and on the other hand, the base part 3 encompassing distributed, in particular distributed on the circumference of the moisture lamp, as exemplified in Fig. 1 shown.
  • the cover 6 preferably has an edge bead 61 which is encompassed by the clamps 9 and the base part 3 has two elongated ridges 34, 34 'which extend along the two longitudinal sides of the base part 3, extending parallel to the longitudinal axis L. , which are also encompassed by the brackets 9.
  • the above-mentioned locking connection can be formed thereby.
  • These backs 34, 34 ' can accordingly advantageously be formed by the profile part in terms of production technology.
  • the cover 6 may have an edge region which is more elastic than the remaining cover 6, wherein the elastic edge region is arranged encompassing the base part 3, so that the effect of the abovementioned clamps 9 is achieved.
  • the cover 6 can be advantageously produced in a two-component injection molding process to achieve the different elastic regions.
  • the locking connection can be made reversibly detachable, so that the cover 6 can be removed from the base part 3 and then again as intended to be connected to the base part 3.
  • easy access to the interior 8 is made possible.
  • the cover 6 preferably has a cutting-shaped extension 62, which is arranged incising into the seal 7. This makes it possible to achieve a particularly reliable sealing effect. Particularly advantageous is the extension 62 in the form of an annular circumferentially formed cutting edge, so to speak as "sealing sword" formed.
  • the cover 6 is shaped such that in a region in which it contacts the seal 7 from below, it has, in a first approximation, a horizontally extending shoulder surface on which the extension 62 is designed to project vertically upwards.
  • the seal 7 is advantageous in terms of production technology in its cross-sectional shape so that it already has a preformed groove or groove when foaming onto the base part 3 at the point at which the extension 62 cuts into the seal 7 in a later step.
  • the groove can be formed by impressing.
  • a mounting bracket 10 for example a fastening spring, can be provided, which can preferably be hung in specially shaped cooling fins, which have a corresponding nose 351 for this purpose.
  • the wet room lamp may have terminals 11, which are preferably arranged from below on the base part 3, so that they are also located in the sealed interior 8.
  • a ballast may be arranged, with reference to the representation of Fig. 2 for example, "behind" the terminals 11.
  • the terminals 11 and the ballast can - as out Fig. 2 by way of example - be arranged on the underside 32 of the base part 3.
  • a correspondingly planar shaping of the underside 32 of the base part is possible, which-as mentioned above-is advantageous with respect to an annularly closed configuration of the seal 7.
  • the above-mentioned intermediate element 5 may be provided, the configuration is accordingly advantageous such that the LEDs 2 at a lower level or are arranged at a greater distance to the bottom 32 of the base part 3, as a lower edge 111 of the terminals 11 or the ballast.
  • the base part 3 may have corresponding profile characteristics, on which the Intermediate element 5 can be latched. These profile characteristics can be dimensioned so small that they - with respect to the longitudinal axis L - are foamed at its two end-side end regions during foaming of the seal 7, so that the sealing situation is not disturbed by these frontal areas hereby.
  • the profile characteristics can also be designed for latching in other components, for example the terminals 11 or the ballast.
  • At least one spout 12 may be provided. This can - as in the FIGS. 1 to 3 shown by way of example - be formed on the base body 3.
  • the spout 12 may be formed as known per se as to be mounted part, but it may also be formed manufacturing technology advantageous as well as the seal 7 by foaming or molding. This is advantageous because such a process step can be saved. When the spout 12 is made in the same process as the seal 7, tools and assembly time can be saved.
  • a spout can also be guided through the front side of the cover 6.
  • connection cable directly in the foam forming the seal 7 without the use of a grommet.
  • the cable then hangs out of the moisture-proof light after foaming and can, for example, be provided with a plug (IP protected plug, IP: ingress protection).
  • Fig. 4 a corresponding cross section is shown to a second embodiment. Unless otherwise stated, the above statements also apply to the second embodiment.
  • the reference numerals are used analogously.
  • the base part 3 is shaped such that a recess 36 is formed, in which the terminals 11 and the ballast are arranged.
  • the recess 36 is formed with respect to the plane defined by the bottom 32 of the base member 3 level E upwards, so that the terminals 11 and the ballast are at least predominantly above the plane E.
  • the ballast can thus be at the height of the cooling fins 35 in this case.
  • the terminals 11 and the ballast do not affect the light emission of the LEDs 2, so that the intermediate element 5 is not required.
  • the LEDs 2 can therefore only be connected via the circuit board 4 to the underside 32 of the base part 3. This is more direct and thus better with respect to the heat transfer from the LEDs 2 to the base part 3.
  • the recess 36 entails that the sealing situation is more difficult at the front side compared with the first exemplary embodiment, because the space formed by the recess must also be sealed in order to achieve a sealed interior 8.
  • a - in Fig. 4 "located behind" the terminals 11 - insert 13 may be provided, which is adapted in shape to the inner cross section of the recess 36 so that it can be inserted into the recess 36 frontally.
  • the insert part 13 makes it possible to achieve a constant contact pressure when foaming the seal 7 against the base part 3 at the location of the recess 36 for a given foam height.
  • the insert 13 may for example consist of sheet metal.
  • the insert 13 serves as it were a "height leveling". It is placed in the recess 36 as intended during foaming of the seal 7 as intended.
  • the insert 13 may have a through-opening for a spout, so that the spout in this case can be foamed on an end-face end region of the recess 36.
  • the cutout 36 can also be foamed on the front side and the cable bushing can be formed laterally of the cutout 36 by a roof area 37 above the cutout 36 or a side wall area 38.
  • the insert 13 can also be dispensed with.
  • Fig. 5 is a moisture lamp according to the invention outlined obliquely from below.
  • the cover 6 is advantageously designed such that it has an edge region 63 which is opaque to light, as well as a main region 64 which is translucent. In this way it can be achieved that the seal 7 is not visible when looking at the moisture lamp from the outside.
  • the cover 6 can preferably be produced in a two-component injection molding process.
  • the translucent main region 64 may comprise a downwardly directed protrusion through which a light emitting region of the wet room luminaire is formed.
  • the opaque edge region 63 may extend in particular downwards to a level which lies below the lower edge of the seal 7.
  • the main portion 64 of the cover 6 may be designed rounded at the two end-side end portions.
  • two surface regions 63 ' which lie outside the vertical projection of the rounded main region 64 of the cover 6, result at the two end-side end regions of the moisture-proof luminaire.
  • the cover 6 is preferably designed in such a way that these surface regions 63 ', viewed from outside, are covered by the opaque edge region 63 of the cover 6.
  • Fig. 6 a variant is shown in which the base part 3 is rounded at the two end-side end regions in each case.
  • This rounding can be formed for example by milling or punching.
  • the shape of the moisture-proof luminaire can be designed so that the frontal curves of the main region 64 of the cover 6 pass virtually uniformly into the rounded end regions of the base part 3. In this case, it is less conspicuous if the cover 6 is not designed as a two-component part with translucent main area 64 and opaque edge area 63.
  • Fig. 7 a variant with respect to the seal 7 between the base part 3 and the cover 6 is sketched.
  • the cover 6 is designed such that it contacts the seal 7 only from below. This is advantageous because it can be practically avoided that water gets to the extension 62 and accumulates there.
  • the seal 7 is thereby particularly reliable.
  • a drip edge can still be provided at the bottom of the seal 7.
  • the brackets 9 and hooks can be designed as sheet metal parts.
  • the backs 34, 34 'of the base part 3 can advantageously be formed at those points where the brackets 9 are provided, beads or depressions, which are adapted in size to the brackets 9, so that they to secure the positions the brackets 9 with respect to the longitudinal axis L can serve.
  • the brackets 9 can be configured in such a way that they are already fixed in their position when they are only arranged on the base part 3;
  • the upper end portions of the brackets 9 on the one hand and the back 34, 34 'of the base part 3 on the other hand be designed so that the brackets 9 can attach by a latching connection to the back 34, 34'.
  • brackets 9 can be clipped into their intended places in the back 34, 34 'and are thus already fixed in position in their intended positions relative to the base part 3.
  • the brackets 9 may have a tapered end 91 at the bottom, so that the cover 6 can be mounted to the base 3 by merely pressing. A centering can be done via draft angles 92 of the brackets 9.
  • brackets 9 snap particularly easy to install when you just press the cover 6 on the base part 3 automatically.
  • the seal can also be designed in two parts, wherein a first part as described is arranged on the base part 3 and a second part on the cover 6.
  • the seal can be attached for example by foaming or spraying.
  • the sealing parts can in this case have an advantageous shape, which improve the tightness or even - as in the DE 101 16 468 A1 described - be provided with a self-holding clamping edge, so that can be dispensed with further fasteners.
  • the moisture-proof light can advantageously be an example of in Fig. 2 having-shown light-influencing element 12 which is designed and arranged in the sense of a "primary optics" for influencing the light emitted by the LEDs 2;
  • the light-influencing element 12 can be arranged within the interior 8.
  • the cover 6 can be designed to influence the light emitted by the LEDs 2.
  • the cover 6 for this purpose have longitudinal and / or transverse grooves and / or be designed opal.
  • the cover 6 may have a flat or round bottom with a pyramidal structure.
  • a pyramidal structure is particularly advantageous in the second embodiment, when the cover 6 is particularly flat in this case.
  • the cover 6 may be designed as a guide and / or holder for Einlegelinsen.
  • the base part may have an upward curvature, viewed in a section transverse to the longitudinal axis L as a whole, wherein end pieces shaped in accordance with the curvature are foamed on the two face ends and extend up to the plane of the two longitudinal edges of the arched base part.

Description

Die Erfindung betrifft eine Feuchtraumleuchte mit LEDs (LED: lichtemittierende Diode) als Lichtquelle.The invention relates to a wet room luminaire with LEDs (LED: light-emitting diode) as the light source.

Bei einer solchen Feuchtraumleuchte sind die LEDs und üblicherweise weitere elektronische Komponenten wie beispielsweise ein Vorschaltgerät, in einem Innenraum der Feuchtraumleuchte angeordnet, der entsprechend gut gegen Feuchtigkeit abgedichtet sein muss, um die Funktionalität der LEDs und der weiteren elektronischen Komponenten zu gewährleisten.In such a moisture lamp, the LEDs and usually other electronic components such as a ballast, arranged in an interior of the wet room light, which must be well sealed against moisture to ensure the functionality of the LEDs and the other electronic components.

Aus dem Stand der Technik ist eine Feuchtraumleuchte mit einem Basiskörper bekannt, der der Halterung der LEDs sowie weiterer elektronischer Komponenten dient. Der Innenraum ist einerseits von dem Basiskörper und andererseits von einer lichtdurchlässigen Abdeckung gebildet, wobei eine Dichtung dichtend zwischen dem Basiskörper und der Abdeckung angeordnet ist.From the prior art, a wet room light with a base body is known, which serves to hold the LEDs and other electronic components. The interior is formed on the one hand by the base body and on the other hand by a transparent cover, wherein a seal is arranged sealingly between the base body and the cover.

Der Basiskörper ist dabei durch ein Aluminium-Druckgussteil gebildet, das einen umlaufenden doppelwandig ausgebildeten Rand aufweist. In den zwischen diesen beiden Wänden gebildeten, nutförmigen Aufnahmeraum wird bei der Herstellung ein Dichtmaterial eingelegt, das dann beim Aufsetzen der Abdeckung von der Randkante der Abdeckung zusammengedrückt wird. Die Abdeckung ist mithilfe von Befestigungsklammern befestigt, die zwischen der Abdeckung und dem Basiskörper wirken.The base body is formed by an aluminum die casting, which has a circumferential double-walled edge. In the groove-shaped receiving space formed between these two walls, a sealing material is inserted in the production, which is then compressed when placing the cover from the peripheral edge of the cover. The cover is attached by means of mounting brackets which act between the cover and the base body.

Die Herstellung des Aluminium-Druckgussteils erfordert einen vergleichsweise hohen Aufwand.The production of the aluminum diecasting requires a relatively high cost.

Aus der WO 2013/041474 A1 , die eine Schrift gemäß Artikel 54 (3) EPÜ darstellt, ist eine LED-Feuchtraumleuchte mit einem Basisteil und einer lichtdurchlässigen Abdeckung bekannt, die über einen Dichtschaum dicht mit dem Basisteil verbunden ist. Aus der WO 2013/107705 A2 , die weiteren Stand der Technik gemäß Artikel 54 (3) EPÜ bildet, ist ebenfalls eine solche Feuchtraumleuchte bekannt.From the WO 2013/041474 A1 , which constitutes a document in accordance with Article 54 (3) EPC, an LED wet room luminaire is known comprising a base part and a translucent cover which is tightly connected to the base part by means of a sealing foam. From the WO 2013/107705 A2 which forms further state of the art in accordance with Article 54 (3) EPC, such a moisture-proof luminaire is also known.

Aus der CN 101 776 256 ist eine Leuchte bekannt, bei der LEDs auf einem Basisteil angeordnet sind. Das Basisteil ist über eine aufgeschäumte Dichtung mit einer lichtdurchlässigen Abdeckung verbunden. Die Dichtung ist dabei auf einem planen Oberflächenbereich des Basisteils angeordnet.From the CN 101 776 256 a luminaire is known in which LEDs are arranged on a base part. The base part is connected via a foamed seal with a translucent cover. The seal is arranged on a flat surface area of the base part.

Aus der AT 379 008 ist eine Feuchtraumleuchte bekannt, bei der ein Leuchtengehäuse über eine Dichtung aus geschäumtem Kunststoff mit einer lichtdurchlässigen Abdeckung verbunden ist.From the AT 379 008 is a wet room light known in which a lamp housing is connected via a seal made of foamed plastic with a translucent cover.

Aus der DE 20 2011 001 690 U1 ist eine LED-Leuchte mit einem Profilkörper bekannt, der über zwei Dichtelemente dicht mit einer lichtdurchlässigen Abdeckleiste verbunden ist.From the DE 20 2011 001 690 U1 an LED lamp with a profile body is known, which is connected via two sealing elements tightly connected to a translucent cover strip.

Der Erfindung liegt die Aufgabe zugrunde, eine entsprechende verbesserte Feuchtraumleuchte anzugeben. Insbesondere soll die Feuchtraumleuchte mit reduziertem Aufwand hergestellt werden können.The invention has for its object to provide a corresponding improved wet room light. In particular, the wet room lamp should be able to be manufactured with reduced effort.

Diese Aufgabe wird gemäß der Erfindung mit den in den unabhängigen Ansprüchen genannten Gegenständen gelöst. Besondere Ausführungsarten der Erfindung sind in den abhängigen Ansprüchen angegeben.This object is achieved according to the invention with the objects mentioned in the independent claims. Particular embodiments of the invention are indicated in the dependent claims.

Gemäß der Erfindung ist eine Feuchtraumleuchte vorgesehen, die LEDs als Lichtquelle der Feuchtraumleuchte aufweist, ein Basisteil, an dem die LEDs gehaltert sind, eine lichtdurchlässige Abdeckung sowie eine Dichtung, die dichtend zwischen dem Basisteil und der Abdeckung angeordnet ist. Dabei ist die Dichtung durch Anschäumen auf das Basisteil gebildet.According to the invention, there is provided a wet room light having LEDs as the light source of the humidity lamp, a base part on which the LEDs are mounted, a light-transmitting cover, and a gasket sealingly disposed between the base part and the cover. The seal is formed by foaming on the base part.

Dadurch, dass die Dichtung durch Anschäumen auf das Basisteil gebildet ist, kann sie an einem planen Oberflächenbereich des Basisteils angebracht werden. Das Basisteil muss insbesondere keine umlaufende doppelwandige bzw. nutförmige Struktur aufweisen, in die die Dichtung eingebracht wird. Daher kann das Basisteil insbesondere als Profilkörper ausgebildet sein, so dass die Herstellung des Basisteils und damit der Feuchtraumleuchte erleichtert ist.The fact that the seal is formed by foaming on the base part, it can be attached to a flat surface portion of the base part. In particular, the base part does not have to have a circumferential double-walled or groove-shaped structure into which the seal is introduced. Therefore, the base part may be formed in particular as a profile body, so that the production of the base part and thus the wet room light is facilitated.

Das Basisteil ist vorzugsweise aus einem Profilteil gebildet. Insbesondere besteht es aus einem Profilteil. Im Vergleich zu dem eingangs genannten Stand der Technik ergibt sich hierdurch der Vorteil, dass zum Passen der Feuchtraumleuchte an eine bestimmte gewünschte Länge lediglich ein entsprechendes Profilteil auf eine entsprechend geeignete Länge gekürzt werden muss. Somit ist der Aufwand bei der Herstellung der Feuchtraumleuchte reduziert. Im Vergleich hierzu ist beim eingangs genannten Stand der Technik für jede spezielle Länge der Feuchtraumleuchte ein entsprechend eigens hergestelltes Werkzeug zum Bilden eines entsprechend langen Aluminium-Druckgussteils erforderlich.The base part is preferably formed from a profile part. In particular, it consists of a profile part. Compared to the above-mentioned prior art, this results in the advantage that only a corresponding profile part must be shortened to a correspondingly suitable length to fit the moisture lamp to a certain desired length. Thus, the effort in the production of wet room light is reduced. In comparison, in the case of the aforementioned prior art, a correspondingly manufactured tool for forming a correspondingly long die-cast aluminum part is required for each special length of the moisture-proof luminaire.

Vorzugsweise ist das Basisteil beschichtet, beispielsweise pulverbeschichtet. Durch eine solche Beschichtung lässt sich ein besonders guter Verbund zwischen dem Basisteil und der Dichtung erzeugen.Preferably, the base part is coated, for example powder-coated. By means of such a coating, a particularly good bond between the base part and the seal can be produced.

Vorzugsweise besteht das Basisteil aus Aluminium. Hierdurch lässt sich durch das Basisteil besonders geeignet ein Kühlkörper für die LEDs bilden.Preferably, the base part is made of aluminum. As a result, a heat sink for the LEDs can be formed particularly suitably by the base part.

Vorzugsweise weist das Basisteil eine Oberseite auf, die eine Außenfläche der Feuchtraumleuchte bildet. Hierdurch ist ermöglicht, dass eine Wärme, die beispielsweise von den LEDs verursacht wird, von dem Basisteil besonders effektiv an die Umgebung der Feuchtraumleuchte abgegeben werden kann.Preferably, the base part has an upper side which forms an outer surface of the moisture-proof lamp. This makes it possible that a heat that is caused for example by the LEDs, can be delivered from the base part particularly effective to the environment of the moisture lamp.

Erfindungsgemäß umfasst das Basisteil eine Unterseite mit einem, an dem Rand der Unterseite verlaufenden planen Oberflächenbereich, wobei die Dichtung die Unterseite lediglich in dem planen Oberflächenbereich kontaktiert. Hierdurch lässt sich das Basisteil mit einer besonders einfachen Formgebung gestalten.According to the invention, the base part comprises a lower side with a planar surface region extending at the edge of the underside, wherein the seal only contacts the underside in the planar surface region. As a result, the base part can be designed with a particularly simple shape.

Erfindungsgemäß weist dabei das Basisteil weiterhin eine, an den Rand anschließende Seitenfläche auf, wobei die Dichtung außerdem teilweise auf der Seitenfläche angeschäumt ist. Hierdurch lässt sich eine besonders gute Verbindung bzw. Halterung der Dichtung an dem Basiskörper erzeugen.According to the invention, the base part furthermore has a side surface adjoining the edge, wherein the seal is also partially foamed on the side surface. This makes it possible to produce a particularly good connection or retention of the seal on the base body.

Vorzugsweise ist die Abdeckung über eine Rastverbindung mit dem Basisteil verbunden. Hierdurch ist bei geeignetem Druck der Abdeckung gegen die Dichtung eine besonders einfache Montage ermöglicht.Preferably, the cover is connected via a latching connection with the base part. As a result, with a suitable pressure of the cover against the seal allows a particularly simple installation.

Weiterhin vorzugsweise weist dabei die Abdeckung einen Randbereich auf, der elastischer ist als die restliche Abdeckung. Der elastischere Randbereich lässt sich vorteilhaft zur Herstellung der Rastverbindung verwenden.Further preferably, the cover has an edge region which is more elastic than the rest of the cover. The more elastic edge region can be advantageously used for producing the latching connection.

Vorzugsweise ist die Abdeckung in einem Zweikomponenten-Spritzgussverfahren hergestellt. Hierdurch lässt sich die Abdeckung beispielsweise vorteilhaft mit einem lichtundurchlässigen Randbereich und einem lichtdurchlässigen Hauptbereich ausbilden, wobei die beiden Bereiche jeweils durch eine der beiden Komponenten gebildet werden.Preferably, the cover is made in a two-component injection molding process. As a result, the cover can be formed, for example, advantageously with an opaque edge region and a light-permeable main region, wherein the two regions are each formed by one of the two components.

Vorzugsweise weist die Abdeckung einen schneideförmigen Fortsatz auf, der in die Dichtung einschneidend angeordnet ist. Hierdurch lässt sich eine besonders gute Dichtwirkung der Dichtung erzielen.Preferably, the cover has a cutting-shaped extension, which is arranged incising into the seal. This makes it possible to achieve a particularly good sealing effect of the seal.

Wenn die Abdeckung derart gestaltet ist, dass sie die Dichtung lediglich von unten kontaktiert, lässt sich die Gefahr verringern, dass ein außen an der Dichtung ablaufendes Wasser in den Kontaktbereich zwischen der Abdeckung und der Dichtung eindringt; insbesondere lässt sich praktisch vermeiden, dass das Wasser zu dem schneideförmigen Fortsatz vordringt und sich dort ansammelt.If the cover is designed so that it only contacts the seal from below, it is possible to reduce the risk that a water running on the outside of the seal will penetrate into the contact area between the cover and the seal; In particular, it can be practically avoided that the water penetrates to the cutting-shaped extension and accumulates there.

Vorzugsweise weist die Feuchtraumleuchte weiterhin ein Vorschaltgerät auf, das an der Unterseite des Basisteils angeordnet ist. Hierdurch lässt sich auf einfache Weise das Vorschaltgerät in dem durch die Dichtung abgedichteten Innenraum anordnen. Dabei sind weiterhin vorzugsweise die LEDs über ein Zwischenelement an der Unterseite des Basisteils angeordnet und zwar vorzugsweise auf einem niedrigeren Niveau als eine Unterkante des Vorschaltgeräts. Auf diese Wiese lässt sich vermeiden, dass eine Lichtabgabe der LEDs durch das Vorschaltgerät unerwünscht abgeschattet wird. Das Zwischenelement kann beispielsweise herstellungstechnisch vorteilhaft profilförmig sein. Vorzugsweise besteht es aus Aluminium. In diesem Fall ist eine besonders gute Wärmeleitung von den LEDs zu dem Basiskörper ermöglicht.Preferably, the wet room lamp further comprises a ballast, which is arranged on the underside of the base part. This makes it easy to arrange the ballast in the sealed by the seal interior. In this case, furthermore, the LEDs are preferably arranged via an intermediate element on the underside of the base part, preferably at a lower level than a lower edge of the ballast. In this way, it can be avoided that a light output of the LEDs is shaded by the ballast undesirable. The intermediate element may, for example, advantageously be profile-shaped in terms of production technology. It is preferably made of aluminum. In this case, a particularly good heat conduction from the LEDs to the base body is possible.

Vorzugsweise ist die Abdeckung strukturiert und/oder weist Linsen auf. Hierdurch lässt sich vorteilhaft eine gezielte optische Beeinflussung des von den LEDs abgestrahlten Lichts erzielen.Preferably, the cover is structured and / or has lenses. As a result, a targeted optical influencing of the light emitted by the LEDs can advantageously be achieved.

Gemäß einem zweiten Aspekt der Erfindung ist eine Feuchtraumleuchte vorgesehen, die LEDs als Lichtquelle der Feuchtraumleuchte aufweist, ein Basisteil, an dem die LEDs gehaltert sind, eine lichtdurchlässige Abdeckung und eine Dichtung, die dichtend zwischen dem Basisteil und der Abdeckung angeordnet ist. Das Basisteil weist dabei eine Unterseite mit einem, an ihrem Rand verlaufenden planen Oberflächenbereich auf, wobei die Dichtung die Unterseite lediglich in dem planen Oberflächenbereich kontaktiert. Hierdurch lässt sich das Basisteil mit besonders einfacher Formgebung gestalten.According to a second aspect of the invention, there is provided a wet room light having LEDs as the light source of the humidity lamp, a base part on which the LEDs are mounted, a light-transmitting cover, and a gasket sealingly disposed between the base part and the cover. The base part in this case has an underside with a flat surface region running on its edge, wherein the seal only contacts the underside in the planar surface region. As a result, the base part can be designed with a particularly simple shape.

Die Erfindung wird im Folgenden anhand von Ausführungsbeispielen und mit Bezug auf die Zeichnungen näher erläutert. Es zeigen:

Fig. 1
eine perspektivische Ansicht eines ersten Ausführungsbeispiels einer erfindungsgemäßen Feuchtraumleuchte,
Fig. 2
einen Querschnitt durch die Feuchtraumleuchte,
Fig. 3
einen gebrochenen Längsschnitt durch die Feuchtraumleuchte,
Fig. 4
einen entsprechenden Querschnitt eines zweiten Ausführungsbeispiels,
Fig. 5
eine perspektivische Ansicht von schräg unten,
Fig. 6
eine Variante mit abgerundeten stirnseitigen Endbereichen,
Fig. 7
eine Variante mit Bezug auf die Dichtung zwischen dem Basisteil und der Abdeckung und
Fig. 8
ein Beispiel für eine Gestaltung im Bereich einer Klammer zwischen der Abdeckung und dem Basisteil.
The invention is explained in more detail below with reference to exemplary embodiments and with reference to the drawings. Show it:
Fig. 1
a perspective view of a first embodiment of a moisture lamp according to the invention,
Fig. 2
a cross section through the moisture lamp,
Fig. 3
a broken longitudinal section through the moisture lamp,
Fig. 4
a corresponding cross section of a second embodiment,
Fig. 5
a perspective view obliquely from below,
Fig. 6
a variant with rounded end-side end regions,
Fig. 7
a variant with respect to the seal between the base part and the cover and
Fig. 8
an example of a design in the region of a bracket between the cover and the base part.

Fig. 1 zeigt eine perspektivische Ansicht eines ersten Ausführungsbeispiels einer erfindungsgemäßen Feuchtraumleuchte von schräg oben. In Fig. 2 ist ein Querschnitt durch die Feuchtraumleuchte skizziert, in Fig. 3 ein gebrochener Längsschnitt. Die Feuchtraumleuchte gemäß diesem Beispiel ist insgesamt länglich, so dass sie sich längs einer, in Fig. 3 angedeuteten Längsachse L erstreckt. Fig. 1 shows a perspective view of a first embodiment of a moisture lamp according to the invention obliquely from above. In Fig. 2 is a cross section outlined by the wet room light, in Fig. 3 a broken longitudinal section. The wet room light according to this example is generally elongate, so that they along a, in Fig. 3 indicated longitudinal axis L extends.

Die Feuchtraumleuchte weist LEDs 2 auf, die eine Lichtquelle der Feuchtraumleuchte bilden. Die Feuchtraumleuchte ist dementsprechend derart gestaltet, dass die LEDs 2 zur Abgabe eines Lichts ausgebildet sind, das im Weiteren von der Feuchtraumleuchte an eine Umgebung der Feuchtraumleuchte abgegeben wird.The moisture-proof luminaire has LEDs 2, which form a light source of the moisture-proof luminaire. Accordingly, the moisture-proof luminaire is designed in such a way that the LEDs 2 are designed to emit a light, which is subsequently emitted by the moisture-proof luminaire to an environment of the moisture-proof luminaire.

Weiterhin weist die Feuchtraumleuchte ein Basisteil 3 auf, an dem die LEDs 2 gehaltert sind. Vorzugweise ist das Basisteil 3 aus einem Profilteil gebildet oder es besteht aus einem Profilteil. Hierdurch lässt sich das Basisteil besonders einfach herstellen. Beispielsweise kann es sich bei dem Profilteil um ein Strangpress-Profilteil - auch als "Stangpress-Profilteil" bezeichnet - handeln. Insbesondere ist die Herstellung eines Profilteils grundsätzlich leichter als die Herstellung eines Druckgussteils.Furthermore, the wet room lamp has a base part 3, on which the LEDs 2 are mounted. Preferably, the base part 3 is formed from a profile part or it consists of a profile part. This makes the base part particularly easy produce. For example, it can be in the profile part to an extruded profile part - also known as "Stangpress-profile part" - act. In particular, the production of a profile part is basically easier than the production of a die-cast part.

Dementsprechend erstreckt sich in diesem Fall das Profilteil mit seiner Längsachse vorzugsweise parallel zu der Längsachse L der Feuchtraumleuchte.Accordingly, in this case, the profile part preferably extends with its longitudinal axis parallel to the longitudinal axis L of the moisture-proof light.

Wie üblich, können die LEDs 2 auf wenigstens einer Platine 4 angeordnet sein, wobei die wenigstens eine Platine 4 entweder unmittelbar oder mittelbar an dem Basiskörper 3 gehaltert sein kann. Beim hier gezeigten ersten Ausführungsbeispiel ist die wenigstens eine Platine 4 mittelbar an dem Basiskörper 3 gehaltert, und zwar über ein Zwischenelement 5, beispielsweise in Form eines profilförmigen Aluminiumteils oder eines Trägerblechs, dessen Längsachse ebenfalls parallel zu der Längsachse L der Feuchtraumleuchte orientiert ist.As usual, the LEDs 2 can be arranged on at least one circuit board 4, wherein the at least one circuit board 4 can be supported either directly or indirectly on the base body 3. In the first embodiment shown here, the at least one circuit board 4 is indirectly supported on the base body 3, via an intermediate element 5, for example in the form of a profile-shaped aluminum part or a carrier plate whose longitudinal axis is also oriented parallel to the longitudinal axis L of the moisture lamp.

Weiterhin weist die Feuchtraumleuchte eine lichtdurchlässige, beispielsweise aus Kunststoff bestehende Abdeckung 6 auf. Die Gestaltung ist derart, dass das von den LEDs 2 abgegebene Licht die Abdeckung 6 durchsetzen kann und danach in die Umgebung der Feuchtraumleuchte eintritt.Furthermore, the wet room light on a translucent, for example made of plastic cover 6. The design is such that the light emitted by the LEDs 2 can pass through the cover 6 and thereafter enters the environment of the wet room lamp.

Zwischen dem Basisteil 3 und der Abdeckung 6 ist dichtend eine Dichtung 7 angeordnet. Auf diese Weise ist ein abgedichteter Innenraum 8 der Feuchtraumleuchte gebildet, der von dem Basisteil 3, der Dichtung 7 und der Abdeckung 6 umschlossen bzw. begrenzt ist. Insbesondere ist die Dichtung 7 in einer horizontalen Ebene ringförmig umlaufend ausgebildet, so dass - im Horizontalschnitt auf Höhe der Dichtung 7 betrachtet - eine quasi allseitige Abdichtung des Innenraums 8 gebildet ist. Die LEDs 2 sind in dem Innenraum 8 angeordnet, so dass sie entsprechend geschützt sind. Die Dichtung 7 ist insbesondere entsprechend dicht gegen Feuchtigkeit gestaltet.Between the base part 3 and the cover 6, a seal 7 is sealingly arranged. In this way, a sealed interior 8 of the wet room lamp is formed, which is enclosed by the base part 3, the seal 7 and the cover 6 or limited. In particular, the seal 7 is annular in a horizontal plane, so that - viewed in horizontal section at the level of the seal 7 - a quasi-sided sealing of the interior 8 is formed. The LEDs 2 are arranged in the inner space 8, so that they are protected accordingly. The seal 7 is designed in particular correspondingly tight against moisture.

Die Dichtung 7 kann beispielsweise aus einem thermoplastischen Elastomer bestehen.The seal 7 may for example consist of a thermoplastic elastomer.

Die Dichtung 7 ist insbesondere durch Anschäumen bzw. Aufschäumen bzw. Anspritzen auf das Basisteil 3 gebildet. Ein solches Anschäumen ist auf einen planen bzw. unstrukturierten Oberflächenbereich des Basisteils 3 möglich. Dementsprechend muss das Basisteil 3 insbesondere keine ringförmig längs des Rands des Basisteils ausgebildete Nut oder dergleichen Oberflächenstruktur aufweisen, in die ein Dichtungsmaterial eingebracht werden kann. Somit lässt sich das Basisteil 3 ohne einen - mit Bezug auf die Längsachse L - querverlaufenden Nutabschnitt ausbilden. Dadurch, dass die Dichtung 7 durch Anschäumen gebildet ist, lässt sich also das Basisteil 3 herstellungstechnisch vorteilhafter gestalten.The seal 7 is formed in particular by foaming or foaming or injection molding on the base part 3. Such foaming is on a plan or unstructured surface area of the base part 3 is possible. Accordingly, in particular, the base part 3 does not need to have a groove or the like surface structure annularly formed along the edge of the base part into which a sealing material can be inserted. Thus, the base part 3 without a - with respect to the longitudinal axis L - transverse groove portion form. Characterized in that the seal 7 is formed by foaming, so can make the base part 3 manufacturing technology advantageous.

Falls das Basisteil 3 bzw. das entsprechende Profilteil nicht, wie in den Zeichnungen dargestellt, auf einer Seite (in den Zeichnungen "unten") flach ausgeführt ist, sondern beidseitig eine Profilierung aufweist, ist vorzugsweise vorgesehen, dass das Profilteil jeweils stirnseitig abgefräst wird bzw. ist, so dass eine umlaufend ebene bzw. plane Anschäumfläche gebildet bzw. bereitgestellt ist.If the base part 3 or the corresponding profile part is not flat on one side (in the drawings "below") as shown in the drawings, but has profiling on both sides, it is preferably provided that the profile part is respectively milled from the front side ., Is, so that a circumferentially planar or flat Anschäumfläche is formed or provided.

Zur Herstellung der Feuchtraumleuchte kann vorgesehen sein, dass das Basisteil 3, also beispielsweise ein entsprechendes Aluminiumprofil, in ein Schäumungswerkzeug eingelegt wird und dann die umlaufende Dichtung 7 angeschäumt wird. Die Dichtung 7 kann dabei in einem Werkzeug geschäumt werden und auf diese Weise beliebig vorgeformt werden, also mit einer gewünschten Querschnittform.To produce the moisture-proof luminaire, provision can be made for the base part 3, that is to say for example a corresponding aluminum profile, to be inserted into a foaming tool and then the surrounding seal 7 to be foamed. The seal 7 can be foamed in a tool and preformed in this way, so with a desired cross-sectional shape.

Vorzugsweise ist die Dichtung 7 derart dimensioniert, dass sie unterschiedliche Längenausdehnungen zwischen dem Basisteil 3 einerseits und der Abdeckung 6 andererseits, wie sie aufgrund von betriebsbedingten Temperaturschwankungen der Feuchtraumleuchte auftreten können, elastisch ausgleichen kann.Preferably, the seal 7 is dimensioned such that it can compensate for different length expansions between the base part 3 on the one hand and the cover 6 on the other hand, as they can occur due to operational temperature variations of the moisture lamp, elastic.

Erfindungsgemäß weist das Basisteil 3 eine Unterseite 32 auf, die einen, an dem Rand der Unterseite 32 verlaufenden planen Oberflächenbereich 321 aufweist, wobei die Dichtung 7 die Unterseite 32 lediglich in dem planen Oberflächenbereich 321 kontaktiert. Das Basisteil 3 lässt sich hierdurch mit entsprechend einfacher Formgestaltung bilden. Beispielsweise kann - wie aus Fig. 2 im Querschnitt hervorgeht - die Unterseite 32 zumindest im Wesentlichen plan bzw. in einer Ebene E verlaufend gestaltet sein.According to the invention, the base part 3 has an underside 32, which has a plane surface region 321 extending at the edge of the underside 32, the seal 7 contacting the underside 32 only in the planar surface region 321. The base part 3 can thus be formed with a correspondingly simple shape design. For example - like out Fig. 2 in cross-section emerges - the bottom 32 may be designed to be at least substantially planar or in a plane E running.

Vorzugsweise ist das Basisteil 3 dementsprechend derart geformt, dass sich der plane Oberflächenbereich 321 ringförmig geschlossen umlaufend längs des Rands des Basisteils 3 erstreckt, beispielsweise innerhalb einer bzw. der Ebene E verlaufend. Hierdurch lässt sich die Dichtung 7 besonders gut ringförmig geschlossen mit dem Basisteil 3 verbinden.Accordingly, the base part 3 is accordingly shaped in such a way that the planar surface region 321 extends annularly circumferentially along the edge of the base part 3, for example running within one or the plane E. As a result, the seal 7 can be closed in a particularly closed ring shape with the base part 3.

Die Dichtung 7 kann auch auf das Basisteil 3 bzw. den planen Oberflächenbereich 321 geklebt sein.The seal 7 may also be glued to the base part 3 or the planar surface region 321.

Wie im Beispiel gezeigt, weist das Basisteil 3 weiterhin eine, an den Rand der Unterseite 32 anschließende Seitenfläche 33 auf, wobei die Dichtung 7 teilweise auch auf der Seitenfläche 33 angeschäumt ist. Hierdurch lässt sich eine besonders gute Verbindung zwischen der Dichtung 7 und dem Basisteil 3 bewirken bzw. eine besonders gute Halterung der Dichtung 7 an dem Basisteil 3.As shown in the example, the base part 3 furthermore has a side surface 33 adjoining the edge of the underside 32, wherein the seal 7 is partially foamed on the side surface 33 as well. This makes it possible to effect a particularly good connection between the seal 7 and the base part 3 or a particularly good retention of the seal 7 on the base part 3.

Das Basisteil 3 ist vorzugsweise beschichtet, insbesondere pulverbeschichtet. Hierdurch lässt sich erzielen, dass sich die Dichtung 7 beim Aufschäumen besonders gut mit dem Basisteil 3 verbindet.The base part 3 is preferably coated, in particular powder-coated. This makes it possible to achieve that the seal 7 bonds particularly well with the base part 3 during foaming.

Wenn das Basisteil 3 aus Aluminium besteht, kann es besonders gut als Kühlkörper für die LEDs 2 ausgebildet sein.If the base part 3 is made of aluminum, it may be particularly well designed as a heat sink for the LEDs 2.

Wie insbesondere aus Fig. 1 hervorgeht, ist in diesem Fall die Gestaltung vorzugsweise derart, dass das Basisteil 3 eine Oberseite 31 aufweist, die eine äußere Begrenzung der Feuchtraumleuchte bildet. Vorzugsweise ist die Gestaltung derart, dass diese Oberseite 31 des Basisteils 3 bei einer für einen Betrieb der Feuchtraumleuchte vorgesehenen Orientierung bzw. Ausrichtung der Feuchtraumleuchte gegenüber der Schwerkraft nach oben weist, denn hierdurch ist eine besonders effektive Wärmeabgabe an die Umgebung der Feuchtraumleuchte ermöglicht.As in particular from Fig. 1 As can be seen, in this case the design is preferably such that the base part 3 has an upper side 31 which forms an outer boundary of the moisture-proof lamp. Preferably, the design is such that this upper side 31 of the base part 3 faces upward with respect to gravity when the orientation or orientation of the moisture-proof luminaire is intended for operation of the moisture-proof luminaire, because this enables a particularly effective dissipation of heat to the surroundings of the moisture-proof luminaire.

Beim hier gezeigten Beispiel weist das Basisteil 3 weiterhin an seiner Oberseite 31 ausgebildete Kühlrippen 35 auf, durch welche in an sich bekannter Weise eine besonders effektive Wärmeabgabe nochmals unterstützt ist. Herstellungstechnisch vorteilhaft sind die Kühlrippen 35 derart gestaltet, dass sie sich parallel zu der Längsachse L erstrecken. Auf diese Weise kann das Basisteil 3 mit den Kühlrippen 35 als Profilteil ausgebildet sein.In the example shown here, the base part 3 further on its upper side 31 formed cooling fins 35, through which in a conventional manner, a particularly effective heat dissipation is supported again. production engineering Advantageously, the cooling fins 35 are designed such that they extend parallel to the longitudinal axis L. In this way, the base part 3 may be formed with the cooling fins 35 as a profile part.

Die Abdeckung 6 ist vorzugsweise über eine Rastverbindung mit dem Basisteil 3 verbunden. Hierzu können Klammern 9 vorgesehen sein, die einerseits die Abdeckung 6 umgreifend und andererseits das Basisteil 3 umgreifend angeordnet sind, insbesondere am Umfang der Feuchtraumleuchte verteilt angeordnet sind, so wie beispielhaft in Fig. 1 gezeigt. Die Abdeckung 6 weist hierfür vorzugsweise einen Randwulst 61 auf, der von den Klammern 9 rastend umgriffen wird und das Basisteil 3 zwei längliche Rücken 34, 34', die sich an den beiden Längsseiten des Basisteils 3 entlang, parallel zu der Längsachse L erstreckend ausgebildet sind, die ebenfalls von den Klammern 9 umgriffen werden. Die oben genannte Rastverbindung kann hierdurch gebildet sein. Auch diese Rücken 34, 34' können dementsprechend herstellungstechnisch vorteilhaft durch das Profilteil gebildet sein.The cover 6 is preferably connected via a latching connection with the base part 3. For this purpose, brackets 9 may be provided, which are arranged on the one hand, the cover 6 encompassing and on the other hand, the base part 3 encompassing distributed, in particular distributed on the circumference of the moisture lamp, as exemplified in Fig. 1 shown. For this purpose, the cover 6 preferably has an edge bead 61 which is encompassed by the clamps 9 and the base part 3 has two elongated ridges 34, 34 'which extend along the two longitudinal sides of the base part 3, extending parallel to the longitudinal axis L. , which are also encompassed by the brackets 9. The above-mentioned locking connection can be formed thereby. These backs 34, 34 'can accordingly advantageously be formed by the profile part in terms of production technology.

Alternativ kann die Abdeckung 6 einen Randbereich aufweisen, der elastischer ist als die restliche Abdeckung 6, wobei der elastische Randbereich das Basisteil 3 umgreifend angeordnet ist, so dass hierdurch die Wirkung der oben genannten Klammern 9 erzielt ist. In diesem Fall kann die Abdeckung 6 zur Erzielung der unterschiedlich elastischen Bereiche vorteilhaft in einem Zweikomponenten-Spritzgussverfahren hergestellt sein.Alternatively, the cover 6 may have an edge region which is more elastic than the remaining cover 6, wherein the elastic edge region is arranged encompassing the base part 3, so that the effect of the abovementioned clamps 9 is achieved. In this case, the cover 6 can be advantageously produced in a two-component injection molding process to achieve the different elastic regions.

In jedem Fall kann die Rastverbindung reversibel lösbar gestaltet sein, so dass die Abdeckung 6 von dem Basisteil 3 abgenommen werden kann und anschließend wieder wie vorgesehen mit dem Basisteil 3 verbunden werden kann. Hierdurch ist ein einfacher Zugang zu dem Innenraum 8 ermöglicht.In any case, the locking connection can be made reversibly detachable, so that the cover 6 can be removed from the base part 3 and then again as intended to be connected to the base part 3. As a result, easy access to the interior 8 is made possible.

Die Abdeckung 6 weist vorzugsweise einen schneideförmigen Fortsatz 62 auf, der in die Dichtung 7 einschneidend angeordnet ist. Hierdurch lässt sich eine besonders zuverlässige Dichtwirkung erzielen. Besonders vorteilhaft ist der Fortsatz 62 in Form einer ringförmig umlaufend ausgebildeten Schneide, sozusagen als "Dichtungsschwert" ausgebildet.The cover 6 preferably has a cutting-shaped extension 62, which is arranged incising into the seal 7. This makes it possible to achieve a particularly reliable sealing effect. Particularly advantageous is the extension 62 in the form of an annular circumferentially formed cutting edge, so to speak as "sealing sword" formed.

Vorzugsweise ist die Abdeckung 6 derart geformt, dass sie in einem Bereich, in dem sie die Dichtung 7 von unten kontaktiert, eine in erster Näherung waagrecht verlaufende Schulterfläche aufweist, auf der der Fortsatz 62 vertikal nach oben ragend ausgebildet ist.Preferably, the cover 6 is shaped such that in a region in which it contacts the seal 7 from below, it has, in a first approximation, a horizontally extending shoulder surface on which the extension 62 is designed to project vertically upwards.

Die Dichtung 7 ist herstellungstechnisch vorteilhaft in ihrer Querschnittform so ausgebildet, dass sie beim Aufschäumen auf das Basisteil 3 bereits an der Stelle, an der in einem späteren Schritt der Fortsatz 62 in die Dichtung 7 einschneidet, eine vorgebildete Nut bzw. Rille aufweist. Die Nut kann durch Einprägen gebildet sein.The seal 7 is advantageous in terms of production technology in its cross-sectional shape so that it already has a preformed groove or groove when foaming onto the base part 3 at the point at which the extension 62 cuts into the seal 7 in a later step. The groove can be formed by impressing.

Zur Halterung der Feuchtraumleuchte an einem Trägerelement, beispielsweise einer Decke, kann ein Befestigungsbügel 10, beispielsweise eine Befestigungsfeder, vorgesehen sein, die vorzugsweise in besonders geformte Kühlrippen eingehängt werden kann, die hierfür eine entsprechende Nase 351 aufweisen.For holding the moisture-proof light to a support element, for example a ceiling, a mounting bracket 10, for example a fastening spring, can be provided, which can preferably be hung in specially shaped cooling fins, which have a corresponding nose 351 for this purpose.

Zur Stromversorgung der LEDs 2 kann die Feuchtraumleuchte Klemmen 11 aufweisen, die vorzugsweise von unten an dem Basisteil 3 angeordnet sind, so dass sie sich ebenfalls in dem abgedichteten Innenraum 8 befinden. In analoger Weise kann ein Vorschaltgerät angeordnet sein, mit Bezug auf die Darstellung der Fig. 2 beispielsweise "hinter" den Klemmen 11.For the power supply of the LEDs 2, the wet room lamp may have terminals 11, which are preferably arranged from below on the base part 3, so that they are also located in the sealed interior 8. Analogously, a ballast may be arranged, with reference to the representation of Fig. 2 for example, "behind" the terminals 11.

Die Klemmen 11 bzw. das Vorschaltgerät können - wie aus Fig. 2 beispielhaft hervorgeht - an der Unterseite 32 des Basisteils 3 angeordnet sein. In diesem Fall ist eine entsprechend plane Formgebung der Unterseite 32 des Basisteils möglich, die-wie oben erwähnt - vorteilhaft mit Bezug auf eine ringförmig geschlossene Ausbildung der Dichtung 7 ist. Um zu vermeiden, dass die Lichtabgabe der LEDs 2 durch die Klemmen 11 bzw. das Vorschaltgerät unerwünscht beeinträchtigt wird, kann das oben bereits erwähnte Zwischenelement 5 vorgesehen sein, wobei die Ausgestaltung dementsprechend vorteilhaft derart ist, dass die LEDs 2 auf einem niedrigeren Niveau bzw. mit größerem Abstand zur Unterseite 32 des Basisteils 3 angeordnet sind, als eine Unterkante 111 der Klemmen 11 oder des Vorschaltgeräts.The terminals 11 and the ballast can - as out Fig. 2 by way of example - be arranged on the underside 32 of the base part 3. In this case, a correspondingly planar shaping of the underside 32 of the base part is possible, which-as mentioned above-is advantageous with respect to an annularly closed configuration of the seal 7. In order to avoid that the light output of the LEDs 2 is adversely affected by the terminals 11 and the ballast, the above-mentioned intermediate element 5 may be provided, the configuration is accordingly advantageous such that the LEDs 2 at a lower level or are arranged at a greater distance to the bottom 32 of the base part 3, as a lower edge 111 of the terminals 11 or the ballast.

Zur Verbindung des Zwischenelements 5 mit der Unterseite 32 des Basisteils 3 kann das Basisteil 3 entsprechende Profilausprägungen aufweisen, an denen das Zwischenelement 5 eingeklinkt werden kann. Diese Profilausprägungen können so klein dimensioniert sein, dass sie - mit Bezug auf die Längsachse L - an ihren beiden stirnseitigen Endbereichen beim Anschäumen der Dichtung 7 mit eingeschäumt werden, so dass die Dichtungssituation an diesen Stirnbereichen hierdurch nicht weiter gestört ist. Die Profilausprägungen können auch zum Einklinken weiterer Bauteile, beispielsweise der Klemmen 11 oder des Vorschaltgeräts, ausgebildet sein.To connect the intermediate element 5 with the underside 32 of the base part 3, the base part 3 may have corresponding profile characteristics, on which the Intermediate element 5 can be latched. These profile characteristics can be dimensioned so small that they - with respect to the longitudinal axis L - are foamed at its two end-side end regions during foaming of the seal 7, so that the sealing situation is not disturbed by these frontal areas hereby. The profile characteristics can also be designed for latching in other components, for example the terminals 11 or the ballast.

Zur Durchführung eines Stromkabels zur Stromversorgung der LEDs 2 kann wenigstens eine Tülle 12 vorgesehen sein. Diese kann - wie in den Figuren 1 bis 3 beispielhaft gezeigt - an dem Basiskörper 3 ausgebildet sein. Die Tülle 12 kann dabei wie an sich bekannt als zu montierendes Teil ausgebildet sein, sie kann aber auch herstellungstechnisch vorteilhaft ebenso wie die Dichtung 7 durch Anschäumen bzw. Anspritzen gebildet sein. Dies ist von Vorteil, weil so ein Verfahrensschritt eingespart werden kann. Wenn die Tülle 12 im selben Prozess wie die Dichtung 7 hergestellt wird, lassen sich Werkzeuge und Montagezeit einsparen.To carry out a power cable to power the LEDs 2, at least one spout 12 may be provided. This can - as in the FIGS. 1 to 3 shown by way of example - be formed on the base body 3. The spout 12 may be formed as known per se as to be mounted part, but it may also be formed manufacturing technology advantageous as well as the seal 7 by foaming or molding. This is advantageous because such a process step can be saved. When the spout 12 is made in the same process as the seal 7, tools and assembly time can be saved.

Eine Tülle kann auch stirnseitig durch die Abdeckung 6 geführt sein.A spout can also be guided through the front side of the cover 6.

Es besteht auch die Möglichkeit, die Feuchtraumleuchte vorab zu verkabeln und das Anschlusskabel - ohne Verwendung einer Tülle - direkt im Schaum, der die Dichtung 7 bildet, einzuschäumen. Das Kabel hängt dann nach dem Schäumen aus der Feuchtraumleuchte und kann beispielsweise mit einem Stecker (IP geschützter Stecker, IP: ingress protection) versehen werden.It is also possible to pre-wire the moisture-proof luminaire and to foam the connection cable directly in the foam forming the seal 7 without the use of a grommet. The cable then hangs out of the moisture-proof light after foaming and can, for example, be provided with a plug (IP protected plug, IP: ingress protection).

In Fig. 4 ist ein entsprechender Querschnitt zu einem zweiten Ausführungsbeispiel gezeigt. Soweit nicht anders dargestellt, gelten die obigen Ausführungen auch für das zweite Ausführungsbeispiel. Die Bezugszeichen sind analog gebraucht.In Fig. 4 a corresponding cross section is shown to a second embodiment. Unless otherwise stated, the above statements also apply to the second embodiment. The reference numerals are used analogously.

Im Unterschied zum ersten Ausführungsbeispiel ist hier das Basisteil 3 derart geformt, dass eine Aussparung 36 gebildet ist, in der die Klemmen 11 bzw. das Vorschaltgerät angeordnet sind. Die Aussparung 36 ist mit Bezug auf die, durch die Unterseite 32 des Basisteils 3 festgelegte Ebene E nach oben hin ausgebildet, so dass sich die Klemmen 11 bzw. das Vorschaltgerät zumindest überwiegend oberhalb der Ebene E befinden.In contrast to the first embodiment, here the base part 3 is shaped such that a recess 36 is formed, in which the terminals 11 and the ballast are arranged. The recess 36 is formed with respect to the plane defined by the bottom 32 of the base member 3 level E upwards, so that the terminals 11 and the ballast are at least predominantly above the plane E.

Das Vorschaltgerät kann sich in diesem Fall also auf Höhe der Kühlrippen 35 befinden.The ballast can thus be at the height of the cooling fins 35 in this case.

Hierdurch beeinträchtigen die Klemmen 11 bzw. das Vorschaltgerät die LichtAbstrahlung der LEDs 2 nicht, so dass das Zwischenelement 5 nicht erforderlich ist. Die LEDs 2 können also lediglich über die Platine 4 mit der Unterseite 32 des Basisteils 3 verbunden sein. Dies ist direkter und somit auch mit Bezug auf die Wärmeübergabe von den LEDs 2 an das Basisteil 3 besser. Außerdem lässt sich durch die Aussparung 36 erzielen, dass die Abdeckung 6 insgesamt flacher gestaltet sein kann, wie ein Vergleich der Figuren 2 und 4 zeigt.As a result, the terminals 11 and the ballast do not affect the light emission of the LEDs 2, so that the intermediate element 5 is not required. The LEDs 2 can therefore only be connected via the circuit board 4 to the underside 32 of the base part 3. This is more direct and thus better with respect to the heat transfer from the LEDs 2 to the base part 3. In addition, it can be achieved by the recess 36, that the cover 6 can be made flatter overall, as a comparison of Figures 2 and 4 shows.

Die Aussparung 36 bringt allerdings mit sich, dass die Dichtsituation stirnseitig im Vergleich zum ersten Ausführungsbeispiel erschwert ist, denn der durch die Aussparung gebildete Raum muss zur Erzielung eines abgedichteten Innenraums 8 auch abgedichtet werden. Hierzu kann beispielsweise ein - in Fig. 4 "hinter" den Klemmen 11 befindliches - Einlegeteil 13 vorgesehen sein, das in seiner Form dem inneren Querschnitt der Aussparung 36 angepasst ist, so dass es stirnseitig in die Aussparung 36 eingelegt werden kann. Durch das Einlegteil 13 lässt sich erzielen, dass beim Anschäumen der Dichtung 7 an das Basisteil 3 an der Stelle der Aussparung 36 bei gegebener Schaumhöhe ein konstanter Anpressdruck gegeben ist. Das Einlegeteil 13 kann beispielsweise aus Blech bestehen.The recess 36, however, entails that the sealing situation is more difficult at the front side compared with the first exemplary embodiment, because the space formed by the recess must also be sealed in order to achieve a sealed interior 8. For this purpose, for example, a - in Fig. 4 "located behind" the terminals 11 - insert 13 may be provided, which is adapted in shape to the inner cross section of the recess 36 so that it can be inserted into the recess 36 frontally. The insert part 13 makes it possible to achieve a constant contact pressure when foaming the seal 7 against the base part 3 at the location of the recess 36 for a given foam height. The insert 13 may for example consist of sheet metal.

Das Einlegeteil 13 dient sozusagen einer "Höhennivellierung". Es wird bei der Herstellung vor dem Anschäumen der Dichtung 7 wie vorgesehen in der Aussparung 36 platziert.The insert 13 serves as it were a "height leveling". It is placed in the recess 36 as intended during foaming of the seal 7 as intended.

Natürlich sind vorzugsweise zwei entsprechende Einlegeteile 13 vorgesehen, jeweils eines an den beiden stirnseitigen Endbereichen der Aussparung 36.Of course, preferably two corresponding inserts 13 are provided, one at each of the two end-side end regions of the recess 36.

Das Einlegeteil 13 kann eine Durchgangsöffnung für eine Tülle aufweisen, so dass die Tülle in diesem Fall an einem stirnseitigen Endbereich der Aussparung 36 angeschäumt sein kann.The insert 13 may have a through-opening for a spout, so that the spout in this case can be foamed on an end-face end region of the recess 36.

Die Aussparung 36 kann stirnseitig auch zugeschäumt sein und die Kabeldurchführung durch einen Dachbereich 37 oberhalb der Aussparung 36 oder einen Seitenwandbereich 38 seitlich der Aussparung 36 ausgebildet sein.The cutout 36 can also be foamed on the front side and the cable bushing can be formed laterally of the cutout 36 by a roof area 37 above the cutout 36 or a side wall area 38.

Wenn die vertikale Erstreckung des Schaums, der die Dichtung 7 bildet, so groß gewählt ist, dass hierdurch ein hinreichend konstanter Anpressdruck über die gesamte Dichtungslänge erreicht werden kann, kann auf das Einlegeteil 13 auch verzichtet werden.If the vertical extent of the foam which forms the seal 7 is chosen to be so large that a sufficiently constant contact pressure over the entire seal length can be achieved as a result, the insert 13 can also be dispensed with.

Die folgende Beschreibung bezieht sich wieder auf alle Ausführungsbeispiele.The following description again refers to all embodiments.

In Fig. 5 ist eine erfindungsgemäße Feuchtraumleuchte von schräg unten skizziert. Die Abdeckung 6 ist vorteilhaft derart gestaltet, dass sie einen Randbereich 63 aufweist, der lichtundurchlässig ist, sowie einen Hauptbereich 64, der lichtdurchlässig ist. Auf diese Weise lässt sich erzielen, dass die Dichtung 7 bei Betrachtung der Feuchtraumleuchte von außen nicht erkennbar ist. Zur Herstellung der beiden, lichttechnisch unterschiedlichen Bereiche 63, 64 kann die Abdeckung 6 vorzugsweise in einem Zweikomponenten-Spritzgussverfahren hergestellt sein.In Fig. 5 is a moisture lamp according to the invention outlined obliquely from below. The cover 6 is advantageously designed such that it has an edge region 63 which is opaque to light, as well as a main region 64 which is translucent. In this way it can be achieved that the seal 7 is not visible when looking at the moisture lamp from the outside. For the production of the two areas 63, 64 which differ in photometry, the cover 6 can preferably be produced in a two-component injection molding process.

Der lichtdurchlässige Hauptbereich 64 kann insbesondere eine nach unten gerichtete Vorwölbung umfassen, durch die ein Lichtabgabebereich der Feuchtraumleuchte gebildet ist. Der lichtundurchlässige Randbereich 63 kann sich insbesondere nach unten hin bis auf ein Niveau erstrecken, das unterhalb der Unterkante der Dichtung 7 liegt.In particular, the translucent main region 64 may comprise a downwardly directed protrusion through which a light emitting region of the wet room luminaire is formed. The opaque edge region 63 may extend in particular downwards to a level which lies below the lower edge of the seal 7.

Wie weiterhin aus Fig. 5 ersichtlich, kann der Hauptbereich 64 der Abdeckung 6 an den beiden stirnseitigen Endbereichen abgerundet gestaltet sein. Hierdurch ergeben sich an den beiden stirnseitigen Endbereichen der Feuchtraumleuchte jeweils zwei Flächenbereiche 63', die außerhalb der vertikalen Projektion des abgerundeten Hauptbereichs 64 der Abdeckung 6 liegen. Vorzugsweise ist die Abdeckung 6 hierbei derart gestaltetet, dass diese Flächenbereiche 63' von außen betrachtet durch den lichtundurchlässigen Randbereich 63 der Abdeckung 6 abgedeckt sind.How to continue Fig. 5 it can be seen, the main portion 64 of the cover 6 may be designed rounded at the two end-side end portions. In each case, two surface regions 63 ', which lie outside the vertical projection of the rounded main region 64 of the cover 6, result at the two end-side end regions of the moisture-proof luminaire. In this case, the cover 6 is preferably designed in such a way that these surface regions 63 ', viewed from outside, are covered by the opaque edge region 63 of the cover 6.

In Fig. 6 ist eine Variante gezeigt, bei der das Basisteil 3 an den beiden stirnseitigen Endbereichen jeweils abgerundet ist. Diese Abrundungen können beispielsweise durch Fräsen oder Stanzen gebildet sein. Hierdurch lässt sich die Form der Feuchtraumleuchte so gestalten, dass die stirnseitigen Rundungen des Hauptbereichs 64 der Abdeckung 6 quasi gleichförmig in die abgerundeten Stirnbereiche des Basisteils 3 übergehen. In diesem Fall ist es weniger auffällig, wenn die Abdeckung 6 nicht als Zweikomponenten-Teil mit lichtdurchlässigem Hauptbereich 64 und lichtundurchlässigem Randbereich 63 gestaltet ist.In Fig. 6 a variant is shown in which the base part 3 is rounded at the two end-side end regions in each case. This rounding can be formed for example by milling or punching. As a result, the shape of the moisture-proof luminaire can be designed so that the frontal curves of the main region 64 of the cover 6 pass virtually uniformly into the rounded end regions of the base part 3. In this case, it is less conspicuous if the cover 6 is not designed as a two-component part with translucent main area 64 and opaque edge area 63.

In Fig. 7 ist eine Variante mit Bezug auf die Dichtung 7 zwischen dem Basisteil 3 und der Abdeckung 6 skizziert. Hierbei ist die Abdeckung 6 derart gestaltet, dass sie die Dichtung 7 lediglich von unten kontaktiert. Dies ist vorteilhaft, weil sich hierdurch praktisch vermeiden lässt, dass Wasser an den Fortsatz 62 gelangt und sich dort ansammelt. Die Dichtung 7 ist hierdurch besonders zuverlässig. Vorteilhaft kann an der Dichtung 7 unten noch eine Abtropfkante vorgesehen sein.In Fig. 7 a variant with respect to the seal 7 between the base part 3 and the cover 6 is sketched. Here, the cover 6 is designed such that it contacts the seal 7 only from below. This is advantageous because it can be practically avoided that water gets to the extension 62 and accumulates there. The seal 7 is thereby particularly reliable. Advantageously, a drip edge can still be provided at the bottom of the seal 7.

Im Folgenden werden weitere optionale Merkmale bzw. Ausgestaltungen beschrieben.In the following, further optional features or embodiments are described.

Die Klammern 9 bzw. Haken können als Blechteile gestaltet sein. An den Rücken 34, 34' des Basisteils 3 können vorteilhaft an denjenigen Stellen, an denen die Klammern 9 vorgesehen sind, Sicken bzw. Vertiefungen gebildet sein, die in ihrer Größe an die Klammern 9 angepasst sind, so dass sie zu einer Sicherung der Positionen der Klammern 9 mit Bezug auf die Längsachse L dienen können. Weiterhin können - montagefreundlich - die Klammern 9 derart gestaltet sein, dass sie bereits in ihrer Lage fixiert sind, wenn sie lediglich an dem Basisteil 3 angeordnet sind; hierzu können die oberen Endbereiche der Klammern 9 einerseits und die Rücken 34, 34' des Basisteils 3 andererseits derart gestaltet sein, dass sich die Klammern 9 durch eine rastende Verbindung an den Rücken 34, 34' anbringen lassen.The brackets 9 and hooks can be designed as sheet metal parts. At the backs 34, 34 'of the base part 3 can advantageously be formed at those points where the brackets 9 are provided, beads or depressions, which are adapted in size to the brackets 9, so that they to secure the positions the brackets 9 with respect to the longitudinal axis L can serve. Furthermore, the brackets 9 can be configured in such a way that they are already fixed in their position when they are only arranged on the base part 3; For this purpose, the upper end portions of the brackets 9 on the one hand and the back 34, 34 'of the base part 3 on the other hand be designed so that the brackets 9 can attach by a latching connection to the back 34, 34'.

Auf diese Weise lässt sich erzielen, dass bei der Herstellung der Feuchtraumleuchte die Klammern 9 an ihren vorgesehenen Stellen in die Rücken 34, 34' eingeklipst werden können und dadurch bereits in ihren vorgesehenen Positionen gegenüber dem Basisteil 3 lagefixiert sind.In this way it can be achieved that in the production of the moisture lamp, the brackets 9 can be clipped into their intended places in the back 34, 34 'and are thus already fixed in position in their intended positions relative to the base part 3.

Wie in Fig. 8 beispielhaft gezeigt, können die Klammern 9 unten ein spitz zulaufendes Ende 91 aufweisen, so dass die Abdeckung 6 durch bloßes Andrücken an das Basisteil 3 montiert werden kann. Eine Zentrierung kann über Formschrägen 92 der Klammern 9 erfolgen.As in Fig. 8 By way of example, the brackets 9 may have a tapered end 91 at the bottom, so that the cover 6 can be mounted to the base 3 by merely pressing. A centering can be done via draft angles 92 of the brackets 9.

Durch geeignete Wahl der vertikalen Erstreckung der Dichtung 7 lässt sich erzielen, dass die Klammern 9 besonders montagefreundlich beim bloßen Andrücken der Abdeckung 6 auf das Basisteil 3 selbsttätig einrasten.By a suitable choice of the vertical extent of the seal 7 can be achieved that the brackets 9 snap particularly easy to install when you just press the cover 6 on the base part 3 automatically.

Die Dichtung kann auch zweiteilig gestaltet sein, wobei ein erster Teil wie beschrieben an dem Basisteil 3 angeordnet ist und ein zweiter Teil an der Abdeckung 6. Die Dichtung kann beispielsweise durch Schäumen oder Spritzen angebracht sein. Die Dichtungsteile können hierbei eine vorteilhafte Formgebung aufweisen, die die Dichtigkeit verbessern oder sogar - wie in der DE 101 16 468 A1 beschrieben - mit einem selbsthaltenden Klemmrand versehen sein, so dass auf weitere Befestigungselemente verzichtet werden kann.The seal can also be designed in two parts, wherein a first part as described is arranged on the base part 3 and a second part on the cover 6. The seal can be attached for example by foaming or spraying. The sealing parts can in this case have an advantageous shape, which improve the tightness or even - as in the DE 101 16 468 A1 described - be provided with a self-holding clamping edge, so that can be dispensed with further fasteners.

Die Feuchtraumleuchte kann vorteilhaft ein - beispielhaft in Fig. 2 gezeigtes-Lichtbeeinflussungselement 12 aufweisen, das im Sinne einer "Primäroptik" zur Beeinflussung des von den LEDs 2 abgegebenen Lichts ausgebildet und angeordnet ist; insbesondere kann das Lichtbeeinflussungselement 12 innerhalb des Innenraums 8 angeordnet sein.The moisture-proof light can advantageously be an example of in Fig. 2 having-shown light-influencing element 12 which is designed and arranged in the sense of a "primary optics" for influencing the light emitted by the LEDs 2; In particular, the light-influencing element 12 can be arranged within the interior 8.

Die Abdeckung 6 kann zur Beeinflussung des von den LEDs 2 abgegebenen Lichts ausgestaltet sein. Beispielsweise kann die Abdeckung 6 hierzu Längs- und/oder Querrillen aufweisen und/oder opal gestaltet sein. Die Abdeckung 6 kann eine ebene oder runde Unterseite mit einer Pyramidenstruktur aufweisen. Eine Pyramidenstruktur ist besonders beim zweiten Ausführungsbeispiel von Vorteil, wenn die Abdeckung 6 hierbei besonders flach ist. Die Abdeckung 6 kann als Führung und/oder Halterung für Einlegelinsen gestaltet sein. Es können Primär- und/oder Sekundäroptiken mit und ohne Stirnteilen vorgesehen sein; es können einreihige, zweireihige oder mehrreihige Platinen 4 vorgesehen sein. Es kann eine flache Bauform vorgesehen sein mit Lichtleitern für ein Indirektlicht und/oder seitliches Licht.The cover 6 can be designed to influence the light emitted by the LEDs 2. For example, the cover 6 for this purpose have longitudinal and / or transverse grooves and / or be designed opal. The cover 6 may have a flat or round bottom with a pyramidal structure. A pyramidal structure is particularly advantageous in the second embodiment, when the cover 6 is particularly flat in this case. The cover 6 may be designed as a guide and / or holder for Einlegelinsen. There may be provided primary and / or secondary optics with and without forehead parts; it can be provided single row, double row or multi-row boards 4. It can be provided with light guides for an indirect light and / or side light a flat design.

Das Basisteil kann insgesamt in einem Schnitt quer zur Längsachse L betrachtet eine nach oben gerichtete Wölbung aufweisen, wobei an den beiden Stirnenden entsprechend der Wölbung geformte Stirnteile angeschäumt sind, die sich bis auf die Ebene der beiden Längsränder des gewölbten Basisteils erstrecken. Hierdurch lässt sich - analog zu der Situation bei dem oben genannten Einlegeteil 13 - ein konstanter Anpressdruck beim Aufschäumen der Dichtung 7 erzielen. Allgemeiner formuliert können mehrere Einlegeteile zu einem Verbund zusammengeschäumt sein.The base part may have an upward curvature, viewed in a section transverse to the longitudinal axis L as a whole, wherein end pieces shaped in accordance with the curvature are foamed on the two face ends and extend up to the plane of the two longitudinal edges of the arched base part. As a result, a constant contact pressure during foaming of the seal 7 can be achieved analogously to the situation with the abovementioned insert 13. More generally, several inserts can be foamed together into a composite.

Claims (13)

  1. A moisture-proof lamp, having
    - LEDs (2) as light source of the moisture-proof lamp,
    - a base part (3), on which the LEDs (2) are held,
    - a translucent cover (6),
    - a seal (7), which is arranged in a sealing manner between the base part (3) and the cover (6),
    wherein the seal (7) is formed by applying foam on the base part (3), wherein the base part (3) has an underside (32) with a plane surface area (321) running on the edge of the underside (32), wherein the seal contacts the underside (32) only in the plane surface area (321),
    characterized in
    that the base part (3) has in addition a lateral surface (33) connecting to the edge, and the seal (7) is also partially foamed on the lateral surface (33).
  2. A moisture-proof lamp according to Claim 1,
    in which the base part (3) is formed from a profile part, in particular consists of a profile part.
  3. A moisture-proof lamp according to Claim 1 or 2,
    in which the base part (3) is coated, in particular powder-coated.
  4. A moisture-proof lamp according to any one of the preceding claims,
    in which the base part (3) consists of aluminum.
  5. A moisture-proof lamp according to any one of the preceding claims,
    in which the base part (3) has an upper side (31), which forms the outer surface area of the moisture-proof lamp.
  6. A moisture-proof lamp according to any one of the preceding claims,
    in which the cover (6) is connected with the base part (3) via a snap connection.
  7. A moisture-proof lamp according to Claim 6,
    in which the cover (6) has an edge area, which is more elastic than the remaining cover (6).
  8. A moisture-proof lamp according to any one of the preceding claims,
    in which the cover (6) is produced in a two-component injection molding process.
  9. A moisture-proof lamp according to any one of the preceding claims
    in which the cover (6) has a blade-shaped extension (61), which is arranged in a manner cutting into the seal (7).
  10. A moisture-proof lamp according to any one of the preceding claims,
    in which the cover (6) is designed in such a manner that it contacts the seal (7) only from below.
  11. A moisture-proof lamp according to any one of the preceding claims,
    also having
    - a ballast unit, which is arranged on the underside (32) of the base part (3).
  12. A moisture-proof lamp according to Claim 11,
    in which the LEDs (2) are arranged via a preferably profile-shaped intermediate element (5), for example, an aluminum part, on the underside (32) of the base part (3), preferably on a lower level than the lower edge (111) of the ballast unit.
  13. A moisture-proof lamp according to any one of the preceding claims,
    in which the cover (6) is structured and/or has lenses.
EP13159701.5A 2012-03-19 2013-03-18 LED wet room light Active EP2642193B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE202012100972U DE202012100972U1 (en) 2012-03-19 2012-03-19 LED Waterproof luminaire

Publications (3)

Publication Number Publication Date
EP2642193A2 EP2642193A2 (en) 2013-09-25
EP2642193A3 EP2642193A3 (en) 2013-11-27
EP2642193B1 true EP2642193B1 (en) 2016-08-24

Family

ID=47891507

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Application Number Title Priority Date Filing Date
EP13159701.5A Active EP2642193B1 (en) 2012-03-19 2013-03-18 LED wet room light

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EP (1) EP2642193B1 (en)
DE (1) DE202012100972U1 (en)

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DE202013101775U1 (en) * 2013-04-24 2014-07-28 Zumtobel Lighting Gmbh Luminaire cover for an elongated lighting arrangement
CN103899955A (en) * 2014-03-14 2014-07-02 魏百远 Efficient-heat-dissipation LED module structure
EP2933554B1 (en) * 2014-04-16 2020-10-28 NORKA Norddeutsche Kunststoff- und Elektro-Gesellschaft Stäcker mbH & Co.KG. Light and method for assembling a luminaire
DE202014102002U1 (en) * 2014-04-29 2015-07-31 Zumtobel Lighting Gmbh poetry
EP4350210A1 (en) * 2022-10-04 2024-04-10 Baxter Medical Systems GmbH + Co. KG Surgical lighting assembly

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Also Published As

Publication number Publication date
EP2642193A2 (en) 2013-09-25
EP2642193A3 (en) 2013-11-27
DE202012100972U1 (en) 2013-06-25

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