EP2585753B1 - Lighting module for an outdoor light - Google Patents
Lighting module for an outdoor light Download PDFInfo
- Publication number
- EP2585753B1 EP2585753B1 EP12746323.0A EP12746323A EP2585753B1 EP 2585753 B1 EP2585753 B1 EP 2585753B1 EP 12746323 A EP12746323 A EP 12746323A EP 2585753 B1 EP2585753 B1 EP 2585753B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- cover
- light module
- circuit board
- membrane
- light
- 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.)
- Not-in-force
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Classifications
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- 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
- F21V31/03—Gas-tight or water-tight arrangements with provision for venting
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S8/00—Lighting devices intended for fixed installation
- F21S8/08—Lighting devices intended for fixed installation with a standard
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- 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
Definitions
- the present invention relates to a light module for an exterior light and an exterior light comprising at least one light module.
- Outdoor and outdoor lighting modules are commonly used to illuminate an outdoor area, for example in street lamps.
- Known light modules often have board receptacles and boards arranged therein, which have at least one light source.
- the light bulb is for example a classic light bulb or a modern LED.
- elaborate devices are made for the sealing of the interior.
- it must be avoided that in outdoor lights that are exposed to strong weather, an impairment of the arranged on the board electronics.
- LEDs as lighting means such a seal is of great importance.
- a corresponding watertight housing is provided for this purpose, which brings with it the corresponding necessary shielding.
- a disadvantage of such embodiments is that the tightness of the housing often also produces airtightness.
- US 2011/0051423 describes an LED module with an SMD LED, which is arranged as usual on a circuit board. Above the LED is a dome-like translucent cover, which is supported on the board and the side of a protective layer connects, which protects the board from moisture and hermetically seals the gap between the cover and the board.
- a protective layer connects, which protects the board from moisture and hermetically seals the gap between the cover and the board.
- the dome In the dome is an opening through which neither water nor air in the space formed by the cover from the environment can penetrate. About the opening only dangerous gases can escape from the interior to the environment.
- the opening is designed as a narrow channel, which is filled with a plastic.
- DE 10 2009 019 226 A1 shows an LED lamp with a housing having a cooling channel, which is thermally connected to an LED unit disposed in the housing.
- a cooling air flowing through the cooling channel is generated by a fan so as to cool the LED unit.
- the cooling air duct is protected by a semi-permeable membrane against the ingress of moisture or dust.
- JP2006080095A discloses a lamp having a housing which is closed forward of a translucent cover. In the housing sits in a step a board with a plurality of LEDs. The housing has ventilation holes that are closed with a porous waterproof material.
- JP2010009959A shows a lamp with a housing having an airtight space.
- a ventilation part has ventilation openings in front of which a filter is arranged, which allows an exchange of air between the ventilation part and the environment, but not the ingress of water into the ventilation part.
- Between the airtight space and the ventilation part is a porous film which yields when a pressure difference is exceeded and then allows an exchange of air between the environment and the otherwise airtight space through the ventilation openings.
- CN201396638Y describes an LED lamp with a lamp body having in its side walls ventilation openings which are closed by a waterproof air-permeable membrane.
- CN201787544A describes an LED lamp with a tubular housing.
- the housing In order to allow pressure equalization between the interior of the housing and the environment, the housing has ventilation openings which are covered by air-permeable and at the same time waterproof membranes.
- KR20090100922 discloses an LED lamp in which LEDs are mounted as usual on a circuit board. To dissipate the heat, the LEDs are thermally connected to a heat sink, which is vented through the housing openings.
- US 3,337,480 discloses a gas discharge lamp with a housing.
- the housing accommodates the lamp between a housing bottom and a housing cover.
- In the housing base and in the housing cover are openings, so that air can enter through the housing bottom, there to heat and escape upwards. This results in a convection cooling.
- the opening in the housing cover is bounded by an annular inwardly facing flange. In this opening sits a cup-shaped receptacle for a sensor, wherein the edge of the receptacle protrudes to cover the upper vent opening so that it does not rain into the housing.
- US 3,092,336 discloses a street lamp with a housing of a metallic shell and a translucent base.
- the upper part can be attached to a lamppost or a building.
- the lower part is clamped by means of clamping closures against the upper part, wherein between the upper part and the lower part of a circumferential seal is arranged, which prevents ingress of moisture into the closed housing.
- the upper housing part engages over the circumferential seal, probably to protect against driving rain and sun rays, which can lead to accelerated aging of the seal.
- the lower housing part can be easily opened.
- DE 200 13 212 discloses a neon sign with a liquid-tight housing.
- the housing has an opening in a side wall which is covered by a vapor permeable membrane.
- a light module and an outdoor lamp are provided, which are at low cost and simple design in a position to allow pressure equalization between the interior and the environment and at the same time bring the necessary electrical safety.
- a light module according to the invention for an exterior light has a board receptacle and at least one circuit board arranged in the circuit board receptacle.
- the circuit board in turn is equipped with at least one light source, in particular in the form of an LED (Light Emitting Diode).
- a cover is provided, which covers the board receptacle and the board arranged therein liquid-tight. This liquid-tight cover is often also airtight at the same time, so that a pressure equalization over this tight barrier is not possible.
- the cover itself has a lens that is translucent to allow the light generated by the bulb through.
- the cover is preferably aligned in a manner that the path of the light is released in a direction that allows the necessary illumination of the environment of the outdoor lamp.
- Inventive light modules are preferably to be used so that they can be reversibly positioned in an outdoor lamp. This serves to ensure that the light module is replaceable in an existing outdoor light in a simple and cost-effective manner.
- An inventive light module is characterized in that in the cover at least one ventilation opening is arranged, which with an air-permeable and liquid-blocking balancing membrane is covered.
- the ventilation opening can be provided at least in the cover, but in particular in the cover plate itself.
- the ventilation opening and, accordingly, the compensation membrane are arranged at other locations, for example in and on an opaque frame portion of the cover.
- An air-permeable and liquid-blocking compensating membrane in the context of the present invention is, in particular, a component which has a substantially thin or flat extension.
- the compensation membrane is preferably at least partially elastic or flexible.
- Fluid-barrier and permeable to air, the compensating membrane may for example be designed in that it is provided with pore sizes, the drop sizes of conventional liquids, such as water, salt water or similar liquids, not through, while air can pass through this balancing membrane unhindered.
- Such membranes may also be referred to as breathable waterproof materials and are preferably to be used for a balancing membrane according to the invention.
- the compensation membrane covers the at least one ventilation opening.
- the compensation membrane with respect to the cover cross-section projects beyond the ventilation opening on one or more sides or even completely. This improves on the one hand the liquid-blocking seal and on the other hand it facilitates the attachment of the compensation membrane at the desired position.
- Using an LED in a light module according to the invention has the advantage that the temperature fluctuations are reduced. Accordingly, at temperature differences between the off state (20 ° C) and the on state (70 ° C) only a smaller Temperature difference and, accordingly, a lower pressure difference between the inner region and the outer region of the light module effectively.
- the ventilation opening itself is in particular a simple bore, which has been produced for example by the machining in the cover. If the cover is produced by a casting method, in particular by an injection molding method, the ventilation opening or the multiplicity of the ventilation openings can already be taken into account during the casting process by the correspondingly formed casting mold.
- the board receptacle and the board in the context of the present invention may be integrally formed, in particular in one piece or monolithic.
- a circuit board is to be understood as meaning a component on which a multiplicity of interconnects are arranged, which interconnect the individual illuminants or connect them to a connection for the illuminants.
- the board is used in particular for the supply of lighting with electricity.
- the board may also have a control device to regulate the brightness of the lamps or, for example, their color.
- the board receptacle is preferably made of a stiff, mechanically stable material.
- a stiff, mechanically stable material is for example aluminum die casting. This has the advantage that the mechanical stability is achieved by a cost-effective method and at the same time with very light weight.
- a light module according to the invention can be further developed such that the compensation membrane has a lifting protection against the removal of the position covering the at least one ventilation opening.
- This lifting protection serves to prevent unintentional removal of the compensation membrane. It serves, for example, in the form of a hold-down, in particular that the edge region of the compensation membrane can not be raised. It is particularly important to turn off the necessary cleaning of such a light module or an outdoor light. If such an outdoor light is cleaned, for example, with a high-pressure radiator or a steam jet, the lifting protection, in particular at the edges of the compensating membrane, serves to prevent ingress of high-pressure liquid at the edge of the compensating membrane. Thus, a lifting and thus a tearing of the compensation membrane are avoided by the desired position.
- the compensation membrane is at least positively connected to the cover.
- a frictional connection can be designed in particular as a material connection.
- the compensation membrane is connected to the cover, for example by means of adhesive or other cohesive methods.
- non-positive connection options such as by screws or by clamping are conceivable within the scope of the present.
- non-positive connection for example by screws or clamping, easy disassembly of the compensation membrane possible.
- a single compensating diaphragm is easily interchangeable, even if the remainder of the light module is still functional.
- the provision of an adhesive or other irreversible means for a cohesive connection between compensating membrane and cover has the advantage that even wanton removal is difficult or impossible at all. The functionality security of the light module is increased in this way.
- the life of the compensation membrane is greater than or equal to the life of the at least one board and / or the at least one light source.
- the service life of the compensation membrane, the life of the board or the at least one illuminant is functional.
- the compensation membrane has a longer service life than is the case with the circuit board and / or with the luminous means. It can thus be ensured that the essential function, namely the illumination, can become shorter than the secondary function, namely, the compensation function of the compensation membrane.
- a compensation membrane is available, which has a corresponding resistance in particular with regard to the weather resistance.
- the lifetime of a component is to be understood as the reduction in functionality. In particular, the reduction in functionality as the end of the service life is less than 50%, or less than 60% or less than 70% of the original, new functionality.
- the cover has a drip edge, which surrounds the compensation membrane at least in sections and prevents water, which runs along the cover, from the compensation membrane.
- a drip edge which surrounds the compensation membrane at least in sections and prevents water, which runs along the cover, from the compensation membrane.
- the drip edge is in the context of the present invention, a component which brings a dripping and / or complete redirecting the oncoming liquid with it. This water accumulation on the membrane are avoided or reduced to a minimum.
- the compensation membrane is arranged on the inside of the cover which faces the circuit board. In other words, an interior is formed between the cover and the board receptacle, in which the compensation membrane is arranged. This leads to an even better protection of the membrane against the effects of weather as well as against additional mechanical interventions as they occur, for example, in cleaning situations of the outdoor lamp.
- the assembly is somewhat more complex than an external compensation membrane, but in this way the compensation membrane itself can be made even more cost-effective and, for example, thinner.
- compensation membrane is arranged on the outside of the cover, which is averted from the board.
- This is the opposite embodiment to the embodiment described above.
- these two variants can be combined at different points even when using different balancing membranes.
- the provision of an external compensation membrane brings with it easier assembly and moreover increases the visibility of defects on the compensation membrane. If this is injured, this is visible from the outside.
- an exchange of the same is possible from the outside for such a compensation membrane arranged.
- the at least one ventilation opening is arranged in such a way that the compensation membrane in the direction of the installation of the light module in an outdoor lamp or essentially pointing in the direction of gravity. In a usually radiated from top to bottom outdoor light, this also means that the compensation membrane is directed downward. In such an outdoor lamp, it is possible to design the compensation membrane again cheaper and easier, because it is partially removed from the direct weather. In particular, rain, which falls from top to bottom, is held by the outdoor light itself or by other components of the light module. Direct exposure of raindrops or even hailstones to the balancing membrane is thus minimized.
- the compensation membrane is arranged at a position which is outside or substantially outside of a light cone, which is generated by the at least one LED.
- the compensation membrane is provided in the cover plate in the cover, such an arrangement is useful. As a result, shading by the membrane is avoided or reduced.
- the compensation membrane is located in an edge region of the cover disk or in an edge region of the cover, which may be formed, for example, as a mechanically stabilizing frame.
- connection means are, for example, snap-latch connection means. Alternatively, screws or clamps or riveted joints are possible.
- connecting means are designed as reversible connecting means, so that the light module can be reversibly placed in an outdoor light and removed from it again.
- the light module can be seen as a replacement or wearing part, so that in case of failure of one or more bulbs, the entire light module is interchangeable.
- an outdoor luminaire comprising at least one light module according to the invention. It is particularly important to pay attention to the orientation of the compensation membrane, which is preferably in the direction of gravity, that is, for example, in an outdoor light down, arranged. Accordingly, an outdoor luminaire according to the invention brings with it the same advantages as have been explained in detail with reference to a light module according to the invention.
- an outdoor lamp 100 is attached to a mast 200 or a holder of a different design, for example to a wall holder or to a cable holder.
- the outdoor lamp 100 is provided, for example, with a housing which will not be explained in detail.
- a light module 10 is arranged, which has a plurality of lighting means 32, in particular in the form of LEDs.
- the arrangement of the light module 10 in the outdoor lamp 100 is effected by a fastening device, for example by a snap-locking receptacle. After the snap-locking receptacle and the electrical connection of the light module 10, in particular the board 30, with further connection options, the outdoor lamp 100 can be operated in the desired manner.
- FIG. 1b shows in enlarged cross-section a partial view of FIG. 1a ,
- the board receptacle 20 accommodates a board 30, which in this embodiment is formed integrally with the board receptacle 20.
- a plurality of conductor tracks are provided, which supply a plurality of lamps 32 in the form of LEDs with power. The correspondingly necessary control of the individual lamps 32 is ensured via the conductor tracks on the board 30.
- the cover 40 engages in a circumferential recess of the board receptacle 20.
- a seal is preferably provided, which is formed for example by an O-ring.
- sealants such as cast material can be used to order at the same time bring an attachment of the cover 40 to the board receptacle 20 with it.
- An adhesive can also be used at this point.
- the cover 40 has at least one region, which is formed as a cover 41.
- This cover plate 41 is transparent, so that light, which is generated by the bulbs 32, can pass through this transparent region of the lens 41.
- two ventilation openings 42 are provided in a non-transparent region that is outside the cover plate 41. Through these ventilation openings 42, an air exchange between the interior, between the cover 40 and the board receptacle 20, and the environment of the light module 10 can be performed.
- the two ventilation openings 42 are covered with a compensation membrane 50.
- This balancing membrane 50 is made of a material which is permeable to air and liquid-blocking. This is, for example, a textile material with particularly small pore openings, through which liquid drops do not pass due to the capillary action and / or the surface tension.
- FIG. 1b It can be seen that circumferentially around the compensation membrane 50 a drip edge 44 is provided. Liquid which runs along the cover plate 41 or along the cover 40 is stopped by this drip edge 44 and forced to drip. Thus, an accumulation of drops or amounts of water on the surface of the compensation membrane 50 is prevented, so that it could be made easier and cheaper.
- FIGS. 2a and 2 B show an embodiment of a cover 40 according to the invention.
- the cover 40 in a large Region is designed as a cover 41.
- This transparent area occupies the largest area of the cover 40.
- a frame-like reinforcement for the cover 40 is provided circumferentially around the cover plate 41, which also has an extension which can engage in a corresponding groove of the board receptacle 20.
- the ventilation opening 42 like the membrane 50, is located at the edge of the cover 40. This can be both in the transparent region, ie in the cover 41, as well as in an edge region, ie in the rest of the cover 40.
- FIGS. 3a and 3b show further variants of the direct connection of the compensation membrane 50th
- a variant is shown in which the compensating diaphragm 50 is formed outside the interior of the light module 10.
- an adhesive is used which achieves a material connection or a frictional connection between compensation membrane 50 and cover 40.
- the circumferential drip edge 44 is also provided here, and has bevels, so that in a desired manner and in an improved manner, a dripping of the oncoming liquid drops can take place.
- FIG. 3b shows a variant in which the compensation membrane is arranged on the inside, ie on the inside of the cover 40, which is directed in the direction of the board 30.
- a clamping is provided in this variant, which clamps the compensation membrane 50 between the lifting protection 52 and the cover 40.
- the lift protection means 52 in the form of the clamp are fastened for example by glue, screws or other mechanical means.
- the advantage that the inner compensation membrane even better from the weather and cleaning effects is protected.
- the individual variants of the lifting protection 52 can be freely combined with each other.
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
Description
Die vorliegende Erfindung betrifft ein Lichtmodul für eine Außenleuchte sowie eine Außenleuchte aufweisend zumindest ein Lichtmodul.The present invention relates to a light module for an exterior light and an exterior light comprising at least one light module.
Außenleuchten sowie Lichtmodule für Außenleuchten werden üblicherweise dafür eingesetzt, einen Außenbereich zu beleuchten, zum Beispiel in Straßenlaternen. Bekannte Lichtmodule weisen häufig Platinenaufnahmen und darin angeordneten Platinen auf, die wenigstens ein Leuchtmittel besitzen. Das Leuchtmittel ist dabei beispielsweise eine klassische Glühbirne oder eine moderne LED. Bei bekannten Lichtmodulen werden aufwändige Vorrichtungen für die Abdichtung des Innenraums getroffen. Insbesondere gilt es zu vermeiden, dass bei Außenleuchten, die starken Witterungen ausgesetzt sind, eine Beeinträchtigung der auf der Platine angeordneten Elektronik erfolgt. Insbesondere bei der Verwendung von LEDs als Leuchtmittel ist eine solche Abdichtung von großer Wichtigkeit. Bei bekannten Lichtmodulen wird hierfür ein entsprechendes wasserdichtes Gehäuse vorgesehen, welches die entsprechende notwendige Abschirmung mit sich bringt. Nachteilig bei derartigen Ausführungsformen ist es, dass die Dichtheit des Gehäuses häufig auch eine Luftdichtigkeit erzeugt. Dies führt dazu, dass ein Druckausgleich zwischen dem Inneren eines solchen Gehäuses und dem Äußeren des Gehäuses nicht möglich ist. Da solche Gehäuse üblicherweise sehr aufwändig und dementsprechend groß dimensioniert sind, sind sie auch in der Lage die notwendige mechanische Belastung durch solche Druckunterschiede, die wiederum durch Temperaturunterschiede hervorgerufen werden, auszugleichen. Es ist jedoch damit zwangsläufig notwendig eine entsprechende Materialstärke und damit zusätzliche Kosten und zusätzlichen Konstruktionsaufwand zu erzeugen, um diese mechanische Stabilität zur Verfügung zu stellen. Dabei sind auch bei Leuchtmitteln in Form von LEDs Temperaturschwankungen von bis zu 70 °C zwischen dem eingeschalteten und dem ausgeschalteten Zustand zu beachten.Outdoor and outdoor lighting modules are commonly used to illuminate an outdoor area, for example in street lamps. Known light modules often have board receptacles and boards arranged therein, which have at least one light source. The light bulb is for example a classic light bulb or a modern LED. In known light modules elaborate devices are made for the sealing of the interior. In particular, it must be avoided that in outdoor lights that are exposed to strong weather, an impairment of the arranged on the board electronics. In particular, when using LEDs as lighting means such a seal is of great importance. In known light modules, a corresponding watertight housing is provided for this purpose, which brings with it the corresponding necessary shielding. A disadvantage of such embodiments is that the tightness of the housing often also produces airtightness. This results in that a pressure equalization between the interior of such a housing and the exterior of the housing is not possible. Since such housings are usually very complex and dimensioned accordingly large, they are also able to compensate for the necessary mechanical stress by such pressure differences, which in turn are caused by temperature differences. However, it is inevitably necessary to produce a corresponding material thickness and thus additional costs and additional design effort, to provide this mechanical stability. In the case of bulbs in the form of LEDs, temperature fluctuations of up to 70 ° C. between the switched on and the switched off state must be taken into account.
Es ist Aufgabe der vorliegenden Erfindung ein Lichtmodul für eine Außenleuchte sowie eine Außenleuchte aufweisend ein Lichtmodul zur Verfügung zu stellen, die zumindest einen der voranstehend beschriebenen Nachteile behebt. Insbesondere ist es Aufgabe der vorliegenden Erfindung, dass ein Lichtmodul und eine Außenleuchte zur Verfügung gestellt werden, die bei kostengünstiger und einfacher Konstruktion in der Lage sind einen Druckausgleich zwischen dem Innenraum und der Umgebung zu ermöglichen und gleichzeitig die notwendige elektrische Sicherheit mit sich bringen. Diese Aufgabe wird durch eine Vorrichtung nach Anspruch 1 gelöst. Vorteilhafte Ausgestaltungen der Erfindung sind in den Unteransprüchen angegeben.It is an object of the present invention to provide a light module for an exterior light and an exterior light having a light module that overcomes at least one of the disadvantages described above. In particular, it is an object of the present invention that a light module and an outdoor lamp are provided, which are at low cost and simple design in a position to allow pressure equalization between the interior and the environment and at the same time bring the necessary electrical safety. This object is achieved by a device according to claim 1. Advantageous embodiments of the invention are specified in the subclaims.
Die vorliegende Erfindung wird gelöst durch ein Lichtmodul für eine Außenleuchte mit den Merkmalen des unabhängigen Anspruchs 1 sowie durch eine Außenleuchte mit den Merkmalen des unabhängigen Anspruchs 9. Weitere Merkmale und Details der Erfindung ergeben sich aus den Unteransprüchen, der Beschreibung und den Zeichnungen. Dabei gelten Merkmale und Details, die im Zusammenhang mit dem erfindungsgemäßen Lichtmodul beschrieben sind, selbstverständlich auch im Zusammenhang mit der erfindungsgemäßen Außenleuchte und jeweils umgekehrt, so dass bezüglich der Offenbarung zu den einzelnen Erfindungsaspekten stets wechselseitig Bezug genommen wird beziehungsweise werden kann.The present invention is achieved by a light module for an outdoor lamp having the features of independent claim 1 and by an outdoor lamp having the features of independent claim 9. Further features and details of the invention will become apparent from the dependent claims, the description and the drawings. In this case, features and details that are described in connection with the light module according to the invention apply, of course, in connection with the outdoor lamp according to the invention and in each case vice versa, so that with respect to the disclosure of the individual aspects of the invention always reciprocal reference is or may be.
Ein erfindungsgemäßes Lichtmodul für eine Außenleuchte weist eine Platinenaufnahme und zumindest eine in der Platinenaufnahme angeordnete Platine auf. Die Platine wiederum ist mit wenigstens einem Leuchtmittel, insbesondere in Form einer LED (Light Emitting Diode), ausgestattet. Darüber hinaus ist eine Abdeckung vorgesehen, welche die Platinenaufnahme sowie die darin angeordnete Platine flüssigkeitsdicht abdeckt. Diese flüssigkeitsdichte Abdeckung ist häufig gleichzeitig auch luftdicht, so dass ein Druckausgleich über diese dichte Absperrung nicht möglich ist. Die Abdeckung selbst weist eine Abschlussscheibe auf, die lichtdurchlässig ist, um das vom Leuchtmittel erzeugte Licht hindurch zulassen. Dabei ist die Abdeckung vorzugsweise in einer Art und Weise ausgerichtet, dass der Weg des Lichtes in einer Richtung freigegeben ist, die die notwendige Beleuchtung der Umgebung der Außenleuchte ermöglicht. Erfindungsgemäße Lichtmodule sind vorzugsweise dafür einzusetzen, dass sie reversibel in einer Außenleuchte positioniert werden können. Dies dient dazu, dass bei einer bestehenden Außenleuchte in einfacher und kostengünstiger Weise das Lichtmodul austauschbar ist.A light module according to the invention for an exterior light has a board receptacle and at least one circuit board arranged in the circuit board receptacle. The circuit board in turn is equipped with at least one light source, in particular in the form of an LED (Light Emitting Diode). In addition, a cover is provided, which covers the board receptacle and the board arranged therein liquid-tight. This liquid-tight cover is often also airtight at the same time, so that a pressure equalization over this tight barrier is not possible. The cover itself has a lens that is translucent to allow the light generated by the bulb through. In this case, the cover is preferably aligned in a manner that the path of the light is released in a direction that allows the necessary illumination of the environment of the outdoor lamp. Inventive light modules are preferably to be used so that they can be reversibly positioned in an outdoor lamp. This serves to ensure that the light module is replaceable in an existing outdoor light in a simple and cost-effective manner.
Ein erfindungsgemäßes Lichtmodul zeichnet sich dadurch aus, dass in der Abdeckung zumindest eine Belüftungsöffnung angeordnet ist, die mit einer luftdurchlässigen und flüssigkeitssperrenden Ausgleichsmembran abgedeckt ist. Dabei ist zu beachten, dass die Belüftungsöffnung zumindest in der Abdeckung, jedoch insbesondere auch in der Abschlussscheibe selbst vorgesehen sein kann. Selbstverständlich ist es auch möglich, dass die Belüftungsöffnung und dementsprechend auch die Ausgleichsmembran an anderen Stellen, zum Beispiel in und an einem lichtundurchlässigen Rahmenbereich der Abdeckung angeordnet sind.An inventive light module is characterized in that in the cover at least one ventilation opening is arranged, which with an air-permeable and liquid-blocking balancing membrane is covered. It should be noted that the ventilation opening can be provided at least in the cover, but in particular in the cover plate itself. Of course, it is also possible that the ventilation opening and, accordingly, the compensation membrane are arranged at other locations, for example in and on an opaque frame portion of the cover.
Bei einer luftdurchlässigen und flüssigkeitssperrenden Ausgleichsmembran im Rahmen der vorliegenden Erfindung handelt es sich insbesondere um ein Bauteil, welches eine im Wesentlichen dünne oder flache Erstreckung aufweist. Darüber hinaus ist die Ausgleichsmembran vorzugsweise zumindest teilweise elastisch beziehungsweise flexibel ausgebildet. Flüssigkeitssperrend und luftdurchlässig kann die Ausgleichsmembran zum Beispiel dadurch ausgestaltet sein, dass sie mit Porengrößen versehen ist, die die Tropfengrößen üblicher Flüssigkeiten, wie zum Beispiel Wasser, Salzwasser oder ähnliche Flüssigkeiten, nicht hindurch lässt, während Luft ungehindert diese Ausgleichsmembran durchdringen kann. Solche Membranen können auch als atmungsaktive wasserdichte Materialien bezeichnet werden und sind bevorzugt für eine erfindungsgemäße Ausgleichsmembran zu verwenden.An air-permeable and liquid-blocking compensating membrane in the context of the present invention is, in particular, a component which has a substantially thin or flat extension. In addition, the compensation membrane is preferably at least partially elastic or flexible. Fluid-barrier and permeable to air, the compensating membrane may for example be designed in that it is provided with pore sizes, the drop sizes of conventional liquids, such as water, salt water or similar liquids, not through, while air can pass through this balancing membrane unhindered. Such membranes may also be referred to as breathable waterproof materials and are preferably to be used for a balancing membrane according to the invention.
Erfindungsgemäß reicht es aus, wenn die Ausgleichsmembran die zumindest eine Belüftungsöffnung abdeckt. Jedoch kann es vorteilhaft sein, wenn die Ausgleichsmembran hinsichtlich des Abdeckungsquerschnitts die Belüftungsöffnung an einer oder mehreren Seiten oder sogar vollumfänglich überragt. Dies verbessert zum einen die flüssigkeitssperrende Abdichtung und zum anderen erleichtert es die Anbringung der Ausgleichsmembran an der gewünschten Position. Eine Verwendung eines LEDs in einem erfindungsgemäßen Lichtmodul bringt den Vorteil mit sich, dass die Temperaturschwankungen reduziert werden. Dementsprechend wird bei Temperaturdifferenzen zwischen dem ausgeschalteten Zustand (20 °C) und dem eingeschalteten Zustand (70 °Celsius) nur eine geringere Temperaturdifferenz und dementsprechend eine geringere Druckdifferenz zwischen dem Innenbereich und dem Außenbereich des Lichtmoduls wirksam. Daraus folgt, dass der notwendige Luftstrom für den Druckausgleich durch die Ausgleichsmembran entsprechend weniger Volumen ausgleichen muss und dadurch nicht nur die Belüftungsöffnung sondern auch die Ausgleichsmembran entsprechend kostengünstiger und einfacher ausgestaltet sein kann. Die Belüftungsöffnung selbst ist dabei insbesondere eine einfache Bohrung, die zum Beispiel durch die spanende Bearbeitung in der Abdeckung erzeugt worden ist. Wird die Abdeckung durch ein Gussverfahren, insbesondere durch ein Spritzgussverfahren, erzeugt, kann die Belüftungsöffnung oder die Vielzahl der Belüftungsöffnungen auch bereits während des Gussverfahrens durch die entsprechend ausgebildete Gussform berücksichtigt werden.According to the invention, it is sufficient if the compensation membrane covers the at least one ventilation opening. However, it may be advantageous if the compensation membrane with respect to the cover cross-section projects beyond the ventilation opening on one or more sides or even completely. This improves on the one hand the liquid-blocking seal and on the other hand it facilitates the attachment of the compensation membrane at the desired position. Using an LED in a light module according to the invention has the advantage that the temperature fluctuations are reduced. Accordingly, at temperature differences between the off state (20 ° C) and the on state (70 ° C) only a smaller Temperature difference and, accordingly, a lower pressure difference between the inner region and the outer region of the light module effectively. It follows that the necessary air flow for pressure equalization through the compensation membrane must compensate for correspondingly less volume and thus not only the ventilation opening but also the compensation membrane can be configured correspondingly cheaper and easier. The ventilation opening itself is in particular a simple bore, which has been produced for example by the machining in the cover. If the cover is produced by a casting method, in particular by an injection molding method, the ventilation opening or the multiplicity of the ventilation openings can already be taken into account during the casting process by the correspondingly formed casting mold.
Selbstverständlich ist es möglich, dass die Platinenaufnahme und die Platine im Rahmen der vorliegenden Erfindung integral, insbesondere einstückig beziehungsweise monolithisch, ausgebildet sein können. Unter einer Platine ist im Rahmen der vorliegenden Erfindung ein Bauteil zu verstehen, auf welchem eine Vielzahl von Leiterbahnen angeordnet ist, die die einzelnen Leuchtmittel miteinander verbinden beziehungsweise mit einem Anschluss für die Leuchtmittel verbinden. So dient die Platine insbesondere auch für die Versorgung der Leuchtmittel mit Strom. Darüber hinaus kann die Platine auch eine Regelvorrichtung aufweisen, um die Helligkeit der Leuchtmittel beziehungsweise beispielsweise deren Farbe zu regulieren.Of course, it is possible that the board receptacle and the board in the context of the present invention may be integrally formed, in particular in one piece or monolithic. In the context of the present invention, a circuit board is to be understood as meaning a component on which a multiplicity of interconnects are arranged, which interconnect the individual illuminants or connect them to a connection for the illuminants. Thus, the board is used in particular for the supply of lighting with electricity. In addition, the board may also have a control device to regulate the brightness of the lamps or, for example, their color.
Die Platinenaufnahme ist vorzugsweise aus einem steifen, mechanisch stabilen Material gefertigt. Ein solches Material ist zum Beispiel Aluminiumdruckguss. Dies bringt den Vorteil mit sich, dass die mechanische Stabilität durch ein kostengünstiges Verfahren und gleichzeitig mit besonders leichtem Gewicht erzielbar wird.The board receptacle is preferably made of a stiff, mechanically stable material. Such a material is for example aluminum die casting. This has the advantage that the mechanical stability is achieved by a cost-effective method and at the same time with very light weight.
Ein erfindungsgemäßes Lichtmodul kann dahingehend weitergebildet sein, dass die Ausgleichsmembran einen Anhebeschutz gegen das Entfernen von der die zumindest eine Belüftungsöffnung abdeckenden Position aufweist. Dieser Anhebeschutz dient dazu, dass ein ungewolltes Entfernen der Ausgleichsmembran unterbleibt. Er dient zum Beispiel in Form eines Niederhalters dazu, dass insbesondere der Randbereich die Ausgleichsmembran nicht angehoben werden kann. Dabei ist insbesondere auf die notwendigen Reinigungsarbeiten eines solchen Lichtmoduls beziehungsweise einer Außenleuchte abzustellen. Wird eine solche Außenleuchte zum Beispiel mit einem Hochdruckstrahler oder einem Dampfstrahler gereinigt, so dient der Anhebeschutz insbesondere an den Kanten der Ausgleichsmembran dazu, dass ein Eindringen von Hochdruckflüssigkeit am Rand der Ausgleichsmembran verhindert wird. So werden ein Anheben und damit auch ein Abreißen der Ausgleichsmembran von der gewünschten Position vermieden.A light module according to the invention can be further developed such that the compensation membrane has a lifting protection against the removal of the position covering the at least one ventilation opening. This lifting protection serves to prevent unintentional removal of the compensation membrane. It serves, for example, in the form of a hold-down, in particular that the edge region of the compensation membrane can not be raised. It is particularly important to turn off the necessary cleaning of such a light module or an outdoor light. If such an outdoor light is cleaned, for example, with a high-pressure radiator or a steam jet, the lifting protection, in particular at the edges of the compensating membrane, serves to prevent ingress of high-pressure liquid at the edge of the compensating membrane. Thus, a lifting and thus a tearing of the compensation membrane are avoided by the desired position.
Ebenfalls vorteilhaft kann es sein, wenn die Ausgleichsmembran zumindest kraftschlüssig mit der Abdeckung verbunden ist. Ein Kraftschluss kann insbesondere auch als Stoffschluss ausgebildet sein. Dabei ist die Ausgleichsmembran zum Beispiel mittels Kleber oder anderen stoffschlüssigen Verfahren mit der Abdeckung verbunden. Auch rein kraftschlüssige Verbindungsmöglichkeiten, wie zum Beispiel durch Schrauben oder durch eine Klemmung sind im Rahmen der vorliegenden denkbar. Darüber hinaus wird durch die kraftschlüssige Verbindung, zum Beispiel durch Schrauben oder Klemmung, eine leichte Demontage der Ausgleichsmembran möglich. Dies führt dazu, dass zum Beispiel eine einzelne Ausgleichsmembran leicht austauschbar ist, selbst wenn der Rest des Lichtmoduls noch funktionsfähig ist. Das Vorsehen eines Klebers oder eines anderen irreversiblen Mittels für eine stoffschlüssige Verbindung zwischen Ausgleichsmembran und Abdeckung hat den Vorteil, dass auch ein mutwilliges Entfernen nur schwer beziehungsweise überhaupt nicht möglich wird. Die Funktionalitätssicherheit des Lichtmoduls wird auf diese Weise erhöht.It may also be advantageous if the compensation membrane is at least positively connected to the cover. A frictional connection can be designed in particular as a material connection. In this case, the compensation membrane is connected to the cover, for example by means of adhesive or other cohesive methods. Also purely non-positive connection options, such as by screws or by clamping are conceivable within the scope of the present. In addition, by the non-positive connection, for example by screws or clamping, easy disassembly of the compensation membrane possible. As a result, for example, a single compensating diaphragm is easily interchangeable, even if the remainder of the light module is still functional. The provision of an adhesive or other irreversible means for a cohesive connection between compensating membrane and cover has the advantage that even wanton removal is difficult or impossible at all. The functionality security of the light module is increased in this way.
Ebenfalls von Vorteil ist es, wenn bei einem erfindungsgemäßen Lichtmodul die Lebensdauer der Ausgleichsmembran größer oder gleich der Lebensdauer der zumindest einen Platine und/oder des wenigstens einen Leuchtmittels ist. Mit anderen Worten ist für die Lebensdauer der Ausgleichsmembran die Lebensdauer der Platine oder des wenigstens einen Leuchtmittels funktionsbestimmend. Dies führt dazu, dass die Ausgleichsmembran eine längere Lebensdauer aufweist, als dies bei der Platine und/oder bei dem Leuchtmittel der Fall ist. Damit kann sichergestellt werden, dass die wesentliche Funktion, nämlich die Ausleuchtung, weniger lang werden kann, als die sekundäre Funktion nämlich die Ausgleichsfunktion der Ausgleichsmembran, vorhält. Damit wird eine Ausgleichsmembran zur Verfügung stellt, die insbesondere hinsichtlich der Witterungsbeständigkeit eine entsprechende Widerstandskraft aufweist. Unter der Lebensdauer eines Bauteils ist dabei die Reduktion der Funktionalität zu verstehen. Insbesondere handelt es sich bei der Reduktion der Funktionalität als Ende der Lebensdauer auf unter 50 %, beziehungsweise unter 60 % beziehungsweise unter 70% der ursprünglichen, neuen Funktionalität.It is also advantageous if in a light module according to the invention, the life of the compensation membrane is greater than or equal to the life of the at least one board and / or the at least one light source. In other words, the service life of the compensation membrane, the life of the board or the at least one illuminant is functional. As a result, the compensation membrane has a longer service life than is the case with the circuit board and / or with the luminous means. It can thus be ensured that the essential function, namely the illumination, can become shorter than the secondary function, namely, the compensation function of the compensation membrane. Thus, a compensation membrane is available, which has a corresponding resistance in particular with regard to the weather resistance. The lifetime of a component is to be understood as the reduction in functionality. In particular, the reduction in functionality as the end of the service life is less than 50%, or less than 60% or less than 70% of the original, new functionality.
Ein weiterer Vorteil ist es, wenn bei einem erfindungsgemäßen Lichtmodul die Abdeckung eine Tropfkante aufweist, welche die Ausgleichsmembran zumindest abschnittsweise umgibt und Wasser, das an der Abdeckung entlangläuft, von der Ausgleichsmembran abhält. Neben der grundsätzlichen Flüssigkeitsdichtheit kann auf diese Weise eine Stausituation, bei welcher Wasser auf der Ausgleichsmembran zu liegen oder zu stehen kommt, vermieden werden. Eine solche Stausituation würde eine erhöhte Dauerbelastung der Ausgleichsmembran mit sich bringen, und damit eine erhöhte Widerstandsfähigkeit der Ausgleichsmembran fordern. Durch das Vorsehen einer Tropfkante kann dementsprechend die Ausgleichsmembran einfacher, insbesondere dünner und/oder kostengünstiger ausgebildet werden.Another advantage is when, in a light module according to the invention, the cover has a drip edge, which surrounds the compensation membrane at least in sections and prevents water, which runs along the cover, from the compensation membrane. In addition to the basic liquid tightness can be avoided in this way a congestion situation in which water is on the compensation membrane or to stand. Such a congestion situation would bring an increased continuous load of the compensation membrane with it, and thus demand an increased resistance of the compensation membrane. By providing a drip edge, the compensation membrane can accordingly be made simpler, in particular thinner and / or cheaper.
Die Tropfkante ist im Rahmen der vorliegenden Erfindung ein Bauteil, welches ein Abtropfen und/oder ein vollständiges Umleiten der herankommenden Flüssigkeit mit sich bringt. Damit werden Wasseransammlungen auf der Membran vermieden beziehungsweise auf ein Minimum reduziert. Im Rahmen der vorliegenden Erfindung ist es weiter vorteilhaft, wenn bei einem erfindungsgemäßen Lichtmodul die Ausgleichsmembran auf der Innenseite der Abdeckung angeordnet, die der Platine zugewendet ist. Mit anderen Worten wird zwischen der Abdeckung und der Platinenaufnahme ein Innenraum gebildet, in welchem auch die Ausgleichsmembran angeordnet ist. Dies führt zu einem noch besseren Schutz der Membran gegen Witterungseinflüsse wie auch gegen zusätzliche mechanische Eingriffe wie sie zum Beispiel bei Reinigungssituationen der Außenleuchte vorkommen. Zwar ist die Montage etwas aufwändiger als bei einer außenliegenden Ausgleichsmembran, jedoch kann auf diese Weise die Ausgleichsmembran selbst nochmals kostengünstiger und zum Beispiel dünner hergestellt werden.The drip edge is in the context of the present invention, a component which brings a dripping and / or complete redirecting the oncoming liquid with it. This water accumulation on the membrane are avoided or reduced to a minimum. In the context of the present invention, it is also advantageous if, in the case of a light module according to the invention, the compensation membrane is arranged on the inside of the cover which faces the circuit board. In other words, an interior is formed between the cover and the board receptacle, in which the compensation membrane is arranged. This leads to an even better protection of the membrane against the effects of weather as well as against additional mechanical interventions as they occur, for example, in cleaning situations of the outdoor lamp. Although the assembly is somewhat more complex than an external compensation membrane, but in this way the compensation membrane itself can be made even more cost-effective and, for example, thinner.
Ebenfalls von Vorteil ist es, wenn bei einem erfindungsgemäßen Lichtmodul Ausgleichsmembran auf der Außenseite der Abdeckung angeordnet ist, die von der Platine abgewendet ist. Dabei handelt es sich um die konträre Ausführungsform zu der voranstehend beschriebenen Ausführungsform. Selbstverständlich können grundsätzlich diese beiden Varianten auch bei der Verwendung verschiedener Ausgleichsmembranen an verschiedenen Stellen kombiniert werden. Das Vorsehen einer außenliegenden Ausgleichsmembran bringt eine leichtere Montage mit sich und erhöht darüber hinaus die Sichtbarkeit von Defekten an der Ausgleichsmembran. Ist diese verletzt, so ist dies von außen sichtbar. Darüber hinaus ist für eine derartig angeordnete Ausgleichsmembran auch ein Austausch derselben von außen möglich.It is also advantageous if in a light module according to the invention compensation membrane is arranged on the outside of the cover, which is averted from the board. This is the opposite embodiment to the embodiment described above. Of course, in principle, these two variants can be combined at different points even when using different balancing membranes. The provision of an external compensation membrane brings with it easier assembly and moreover increases the visibility of defects on the compensation membrane. If this is injured, this is visible from the outside. In addition, an exchange of the same is possible from the outside for such a compensation membrane arranged.
Bei einem erfindungsgemäßen Lichtmodul ist es ebenfalls vorteilhaft, wenn die zumindest eine Belüftungsöffnung derart angeordnet ist, dass die Ausgleichsmembran nach der Montage des Lichtmoduls in einer Außenleuchte in Richtung oder im Wesentlichen in Richtung der Schwerkraft zeigt. Bei einer üblicherweise von oben nach unten strahlenden Außenleuchte führt dies dazu, dass auch die Ausgleichsmembran nach unten gerichtet ist. Bei einer solchen Außenleuchte ist es möglich, die Ausgleichsmembran nochmals kostengünstiger und einfacher auszugestalten, weil sie der direkten Witterung zum Teil entzogen ist. Insbesondere Regen, welcher von oben nach unten fällt, wird durch die Außenleuchte selbst beziehungsweise durch weitere Bauteile des Lichtmoduls abgehalten. Direkte Einwirkung von Regentropfen oder sogar Hagelkörnern auf die Ausgleichsmembran wird auf diese Weise auf ein Minimum reduziert. Dabei kann es vorteilhaft sein, wenn die Ausgleichsmembran an einer Position angeordnet ist, die außerhalb oder im Wesentlichen außerhalb eines Lichtkegels, der von der wenigstens einen LED erzeugt wird. Insbesondere, wenn die Ausgleichsmembran in der Abschlussscheibe in der Abdeckung vorgesehen ist, ist eine solche Anordnung sinnvoll. Dies führt dazu, dass eine Verschattung durch die Membran vermieden beziehungsweise reduziert wird. Mit anderen Worten befindet sich die Ausgleichsmembran in einem Randbereich der Abschlussscheibe oder in einem Randbereich der Abdeckung, welcher zum Beispiel als mechanisch stabilisierender Rahmen ausgebildet sein kann.In the case of a light module according to the invention, it is likewise advantageous if the at least one ventilation opening is arranged in such a way that the compensation membrane in the direction of the installation of the light module in an outdoor lamp or essentially pointing in the direction of gravity. In a usually radiated from top to bottom outdoor light, this also means that the compensation membrane is directed downward. In such an outdoor lamp, it is possible to design the compensation membrane again cheaper and easier, because it is partially removed from the direct weather. In particular, rain, which falls from top to bottom, is held by the outdoor light itself or by other components of the light module. Direct exposure of raindrops or even hailstones to the balancing membrane is thus minimized. It may be advantageous if the compensation membrane is arranged at a position which is outside or substantially outside of a light cone, which is generated by the at least one LED. In particular, if the compensation membrane is provided in the cover plate in the cover, such an arrangement is useful. As a result, shading by the membrane is avoided or reduced. In other words, the compensation membrane is located in an edge region of the cover disk or in an edge region of the cover, which may be formed, for example, as a mechanically stabilizing frame.
Ein weiterer Vorteil ist es, wenn bei einem erfindungsgemäßen Lichtmodul die Platinenaufnahme und/oder die Abdeckung Verbindungsmittel aufweist, über welche das Lichtmodul in einer Außenleuchte befestigbar ist. Solche Verbindungsmittel sind zum Beispiel Schnapp-Rast-Verbindungsmittel. Alternativ sind auch Schrauben oder Klemmungen oder Nietverbindungen möglich. Insbesondere sind solche Verbindungsmittel als reversible Verbindungsmittel ausgebildet, so dass das Lichtmodul reversibel in einer Außenleuchte platziert und von dieser wieder entfernt werden kann. Damit kann das Lichtmodul als Austausch oder Verschleißteil gesehen werden, so dass bei Defekt einer oder mehrerer Leuchtmittel das gesamte Lichtmodul austauschbar wird. Durch Verbindungsmittel in Form von Schnapp-Rast-Verbindungsmitteln kann dieser Austausch sowie das Platzieren des Lichtmoduls besonders einfach, schnell und mit hoher Funktionssicherheit gewährleistet werden.A further advantage is when, in a light module according to the invention, the board receptacle and / or the cover has connecting means, via which the light module can be fastened in an exterior luminaire. Such connection means are, for example, snap-latch connection means. Alternatively, screws or clamps or riveted joints are possible. In particular, such connecting means are designed as reversible connecting means, so that the light module can be reversibly placed in an outdoor light and removed from it again. Thus, the light module can be seen as a replacement or wearing part, so that in case of failure of one or more bulbs, the entire light module is interchangeable. By connecting means in the form of snap-locking connection means this exchange and the Placing the light module can be ensured particularly simple, fast and with high reliability.
Ebenfalls Gegenstand der vorliegenden Erfindung ist eine Außenleuchte, aufweisend zumindest ein erfindungsgemäßes Lichtmodul. Dabei ist insbesondere auf die Ausrichtung der Ausgleichsmembran zu achten, die vorzugsweise in Richtung der Schwerkraft, also bei einer Außenleuchte zum Beispiel nach unten, angeordnet ist. Eine erfindungsgemäße Außenleuchte bringt dementsprechend die gleichen Vorteile mit sich, wie sie ausführlich mit Bezug auf ein erfindungsgemäßes Lichtmodul erläutert worden sind.Likewise provided by the present invention is an outdoor luminaire, comprising at least one light module according to the invention. It is particularly important to pay attention to the orientation of the compensation membrane, which is preferably in the direction of gravity, that is, for example, in an outdoor light down, arranged. Accordingly, an outdoor luminaire according to the invention brings with it the same advantages as have been explained in detail with reference to a light module according to the invention.
Die Erfindung wird nachstehend ohne Beschränkung des allgemeinen Erfindungsgedankens anhand von Ausführungsbeispielen unter Bezugnahme auf die Zeichnungen exemplarisch beschrieben.
- Figur 1a
- schematisch eine erste Ausführungsform einer erfindungsgemäßen Außenleuchte,
- Figur 1b
- die Außenleuchte der
Figur 1a im schematischem Querschnitt und Vergrößerung, - Figur 2a
- eine Ausführungsform einer Abdeckung für ein erfindungsgemäßes Lichtmodul,
- Figur 2b
- die Ausführungsform der Abdeckung gemäß
Figur 2a in einer weiteren Ansicht, - Figur 3a
- eine Ausführungsform der Anordnung einer Ausgleichsmembran und
- Figur 3b
- eine weitere Ausführungsform der Anordnung einer Ausgleichsmembran.
- FIG. 1a
- schematically a first embodiment of an outdoor lamp according to the invention,
- FIG. 1b
- the outdoor light of the
FIG. 1a in schematic cross section and magnification, - FIG. 2a
- an embodiment of a cover for a light module according to the invention,
- FIG. 2b
- the embodiment of the cover according to
FIG. 2a in another view, - FIG. 3a
- an embodiment of the arrangement of a compensation membrane and
- FIG. 3b
- a further embodiment of the arrangement of a compensation membrane.
Anhand der
Die Abdeckung 40 weist zumindest einen Bereich auf, der als Abschlussscheibe 41 ausgebildet ist. Diese Abschlussscheibe 41 ist transparent ausgebildet, so dass Licht, welches von den Leuchtmitteln 32 erzeugt wird, durch diesen transparenten Bereich der Abschlussscheibe 41 hindurch gelangen kann. In der Abdeckung 40, bei dieser Ausführungsform in einem nicht transparenten Bereich also außerhalb der Abschlussscheibe 41, sind zwei Belüftungsöffnungen 42 vorgesehen. Durch diese Belüftungsöffnungen 42 kann ein Luftaustausch zwischen dem Innenraum, zwischen der Abdeckung 40 und der Platinenaufnahme 20, und der Umgebung des Lichtmoduls 10 durchgeführt werden. Um sicherzustellen, dass durch diese Belüftungsöffnungen 42 keine Flüssigkeit in das Innere des Lichtmoduls 10 eindringen kann, sind die beiden Belüftungsöffnungen 42 mit einer Ausgleichsmembran 50 abgedeckt. Diese Ausgleichsmembran 50 ist aus einem Material gefertigt, welches luftdurchlässig und flüssigkeitssperrend ist. Dabei handelt es sich zum Beispiel um ein Textilmaterial, mit besonders kleinen Porenöffnungen, durch welche Flüssigkeitstropfen aufgrund der Kapillarwirkung und/oder der Oberflächenspannung nicht hindurch gelangen.The
In der
Die
Die
Die voranstehenden Beschreibungen zu den Ausführungsbeispielen beschreiben die vorliegende Erfindung nur im Rahmen von Beispielen. Daher können die einzelnen Merkmale, die zu den Ausführungsformen beschrieben worden sind, sofern technisch sinnvoll, frei miteinander kombiniert werden, ohne den Rahmen der vorliegenden Erfindung verlassen.The foregoing descriptions of the embodiments describe the present invention by way of example only. Therefore, the individual features that have been described to the embodiments, if technically reasonable, freely combined with each other, without departing from the scope of the present invention.
- 1010
- Lichtmodullight module
- 2020
- Platinenaufnahmeplatinum recording
- 3030
- Platinecircuit board
- 3232
- LEDLED
- 4040
- Abdeckungcover
- 4141
- Abschlussscheibelens
- 4242
- Belüftungsöffnungventilation opening
- 4444
- Tropfkantedrip edge
- 5050
- Ausgleichsmembrancompensation membrane
- 5252
- Anhebeschutzlifting protection
- 100100
- Außenleuchteoutdoor light
- 200200
- Mastmast
Claims (9)
- Light module (10) for an exterior lamp (100), comprising at least- a circuit board receiving portion (20),- a circuit board (30) arranged in the circuit board receiving portion (20) with at least one illuminant (32), particularly in form of an LED, and- a cover (40), liquid-tightly covering the circuit board receiving portion (20) as well as the circuit board (30) arranged therein, and comprising a translucent cover pane (41), for transmitting the light generated by the illumant (32),- a ventilation opening (42), arranged in the cover (40),- a liquid-impermeable and air-permeable compensating membrane (50) which covers the ventilation openingcharacterized in that
the cover (40) has a dripping edge (44), which surrounds the compensating membrane (50) at least partly, and which keeps water that runs along the cover (40), off the compensating membrane (50). - Light module (10) according to claim 1,
characterized in that the compensating membrane (50) comprises a lift-off protection (52), for preventing the removal from the position covering the at least one ventilation opening (42). - Light module (10) according to one of the preceding claims, characterized in that the compensating membrane (50) is connected in a force-fit manner with the cover (40).
- Light module (10) according to one of the preceding claims, characterized in that the lifetime of the compensating membrane (50) is greater than or equal to the lifetime of the at least one circuit board (30) and/or the at least one illuminant (32).
- Light module (10) according to one of the preceding claims, characterized in that the compensating membrane (50) is arranged on the inner surface of the cover (40), facing towards the circuit board (30).
- Light module (10) according to one of the preceding claims, characterized in that the compensating membrane (50) is arranged on the outer surface of the cover (40), facing away from the circuit board (30).
- Light module (10) according to one of the preceding claims, characterized in that the at least one ventilation opening (42) is arranged such that the after mounting of the light module (10) in the outdoor exterior lamp (100), compensating membrane (50), points in the direction of, or mainly in the direction of gravity.
- Light module (10) according to one of the preceding claims, characterized in that the circuit board receiving portion (20) and/or the cover (40) have connection means for fastening the light module (10) ist fastenable in an exterior lamp (100).
- Exterior lamp (100), comprising at least one light module (10) with the features of one of the claims 1 to 8.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102011052577A DE102011052577A1 (en) | 2011-08-11 | 2011-08-11 | Light module for an outdoor light |
PCT/EP2012/065540 WO2013021013A1 (en) | 2011-08-11 | 2012-08-08 | Lighting module for an outdoor light |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2585753A1 EP2585753A1 (en) | 2013-05-01 |
EP2585753B1 true EP2585753B1 (en) | 2014-03-19 |
Family
ID=46651495
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP12746323.0A Not-in-force EP2585753B1 (en) | 2011-08-11 | 2012-08-08 | Lighting module for an outdoor light |
Country Status (5)
Country | Link |
---|---|
EP (1) | EP2585753B1 (en) |
CN (1) | CN103732980B (en) |
DE (1) | DE102011052577A1 (en) |
MX (1) | MX2014001643A (en) |
WO (1) | WO2013021013A1 (en) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103557508B (en) * | 2013-10-12 | 2016-05-18 | 奇瑞汽车股份有限公司 | A kind of automobile front with detachable air-permeable dehydrating unit |
DE102014205453A1 (en) * | 2014-03-24 | 2015-09-24 | Siemens Aktiengesellschaft | Signaling device for emitting a light signal |
DE102014205455A1 (en) * | 2014-03-24 | 2015-09-24 | Siemens Aktiengesellschaft | Signaling device of a traffic signal system for emitting a light signal |
KR101911888B1 (en) | 2017-03-29 | 2018-10-29 | 주식회사 화신이앤비 | Lighting apparatus |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3092336A (en) * | 1957-09-23 | 1963-06-04 | Mc Graw Edison Co | Fluorescent luminaire |
US3377480A (en) * | 1966-09-14 | 1968-04-09 | Gen Electric | Luminaire |
JPH0443371Y2 (en) * | 1987-05-29 | 1992-10-14 | ||
DE19708116C2 (en) * | 1997-02-28 | 1999-02-25 | Telefunken Microelectron | Arrangement for closing pressure equalization openings |
DE20001221U1 (en) * | 2000-01-25 | 2000-12-21 | Stegemann, Christopher, 23570 Lübeck | Cable holder |
DE20013212U1 (en) * | 2000-08-01 | 2000-12-21 | Westiform Holding Ag, Niederwangen | Neon signs, especially contour lighting |
JP2006080095A (en) * | 2005-12-05 | 2006-03-23 | Elna Co Ltd | Light-emitting diode aggregate lamp |
KR20090100922A (en) * | 2008-03-21 | 2009-09-24 | 장인성 | The led lamp use circulate air |
JP5257758B2 (en) * | 2008-06-27 | 2013-08-07 | 東芝ライテック株式会社 | lighting equipment |
DE102009019226B4 (en) * | 2009-04-28 | 2018-10-18 | Zumtobel Lighting Gmbh | Arrangement with light elements for emitting light |
CN201396638Y (en) | 2009-05-26 | 2010-02-03 | 韩岗亭 | Outdoor LED lamp |
US8157419B2 (en) * | 2009-08-26 | 2012-04-17 | Abl Ip Holding Llc | LED assembly |
CN201787544U (en) | 2010-11-24 | 2011-04-06 | 宁波同泰电气股份有限公司 | Waterproof and ventilating structure of LED Lamp |
-
2011
- 2011-08-11 DE DE102011052577A patent/DE102011052577A1/en not_active Withdrawn
-
2012
- 2012-08-08 EP EP12746323.0A patent/EP2585753B1/en not_active Not-in-force
- 2012-08-08 CN CN201280039190.7A patent/CN103732980B/en not_active Expired - Fee Related
- 2012-08-08 WO PCT/EP2012/065540 patent/WO2013021013A1/en active Application Filing
- 2012-08-08 MX MX2014001643A patent/MX2014001643A/en active IP Right Grant
Also Published As
Publication number | Publication date |
---|---|
MX2014001643A (en) | 2014-09-22 |
EP2585753A1 (en) | 2013-05-01 |
DE102011052577A1 (en) | 2013-02-14 |
CN103732980B (en) | 2015-04-22 |
WO2013021013A1 (en) | 2013-02-14 |
CN103732980A (en) | 2014-04-16 |
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