WO2013026915A2 - Unité d'éclairage pour appareil d'éclairage, et appareil d'éclairage - Google Patents

Unité d'éclairage pour appareil d'éclairage, et appareil d'éclairage Download PDF

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Publication number
WO2013026915A2
WO2013026915A2 PCT/EP2012/066482 EP2012066482W WO2013026915A2 WO 2013026915 A2 WO2013026915 A2 WO 2013026915A2 EP 2012066482 W EP2012066482 W EP 2012066482W WO 2013026915 A2 WO2013026915 A2 WO 2013026915A2
Authority
WO
WIPO (PCT)
Prior art keywords
luminaire
channel
side wall
profile element
unit according
Prior art date
Application number
PCT/EP2012/066482
Other languages
German (de)
English (en)
Other versions
WO2013026915A3 (fr
Inventor
Wolfgang Bechter
Patrick Kilga
Original Assignee
Zumtobel Lighting Gmbh
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 filed Critical Zumtobel Lighting Gmbh
Priority to EP12758804.4A priority Critical patent/EP2748514B1/fr
Publication of WO2013026915A2 publication Critical patent/WO2013026915A2/fr
Publication of WO2013026915A3 publication Critical patent/WO2013026915A3/fr

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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
    • 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
    • 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
    • F21V15/013—Housings, e.g. material or assembling of housing parts the housing being an extrusion
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S4/00—Lighting devices or systems using a string or strip of light sources
    • F21S4/20—Lighting devices or systems using a string or strip of light sources with light sources held by or within elongate supports
    • F21S4/28—Lighting devices or systems using a string or strip of light sources with light sources held by or within elongate supports rigid, e.g. LED bars
    • 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
    • F21V15/015—Devices for covering joints between adjacent lighting devices; End coverings
    • 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
    • F21V19/00—Fastening of light sources or lamp holders
    • F21V19/001—Fastening of light sources or lamp holders the light sources being semiconductors devices, e.g. LEDs
    • F21V19/003—Fastening of light source holders, e.g. of circuit boards or substrates holding light sources
    • F21V19/0035—Fastening of light source holders, e.g. of circuit boards or substrates holding light sources the fastening means being capable of simultaneously attaching of an other part, e.g. a housing portion or an optical component
    • 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
    • F21V19/00—Fastening of light sources or lamp holders
    • F21V19/001—Fastening of light sources or lamp holders the light sources being semiconductors devices, e.g. LEDs
    • F21V19/003—Fastening of light source holders, e.g. of circuit boards or substrates holding light sources
    • F21V19/004—Fastening of light source holders, e.g. of circuit boards or substrates holding light sources by deformation of parts or snap action mountings, e.g. using clips
    • 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
    • F21V21/00—Supporting, suspending, or attaching arrangements for lighting devices; Hand grips
    • F21V21/005—Supporting, suspending, or attaching arrangements for lighting devices; Hand grips for several lighting devices in an end-to-end arrangement, i.e. light tracks
    • 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
    • F21V25/00—Safety devices structurally associated with lighting devices
    • 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
    • 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
    • F21S8/03—Lighting devices intended for fixed installation of surface-mounted type
    • F21S8/038—Lighting devices intended for fixed installation of surface-mounted type intended to be mounted on a light track
    • 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
    • F21V17/107—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 using hinge 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
    • F21V21/00—Supporting, suspending, or attaching arrangements for lighting devices; Hand grips
    • F21V21/02—Wall, ceiling, or floor bases; Fixing pendants or arms to the bases
    • F21V21/025—Elongated bases having a U-shaped cross section
    • 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
    • F21V23/001—Arrangement of electric circuit elements in or on lighting devices the elements being electrical wires or cables
    • F21V23/002—Arrangements of cables or conductors inside a lighting device, e.g. means for guiding along parts of the housing or in a pivoting arm
    • 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
    • F21V23/003—Arrangement of electric circuit elements in or on lighting devices the elements being electronics drivers or controllers for operating the light source, e.g. for a LED array
    • F21V23/007—Arrangement of electric circuit elements in or on lighting devices the elements being electronics drivers or controllers for operating the light source, e.g. for a LED array enclosed in a casing
    • F21V23/008—Arrangement of electric circuit elements in or on lighting devices the elements being electronics drivers or controllers for operating the light source, e.g. for a LED array enclosed in a casing the casing being outside the housing of the lighting device
    • 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
    • F21V23/003—Arrangement of electric circuit elements in or on lighting devices the elements being electronics drivers or controllers for operating the light source, e.g. for a LED array
    • F21V23/007—Arrangement of electric circuit elements in or on lighting devices the elements being electronics drivers or controllers for operating the light source, e.g. for a LED array enclosed in a casing
    • F21V23/009—Arrangement of electric circuit elements in or on lighting devices the elements being electronics drivers or controllers for operating the light source, e.g. for a LED array enclosed in a casing the casing being inside the housing of the lighting device
    • 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
    • F21V23/06—Arrangement of electric circuit elements in or on lighting devices the elements being coupling devices, e.g. connectors
    • 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
    • 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
    • F21V7/00—Reflectors for light sources
    • F21V7/005—Reflectors for light sources with an elongated shape to cooperate with linear light sources
    • 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

  • FIG. 17 is a cross section through this known lamp 100 is shown.
  • the luminaire 100 comprises a luminaire housing 200, in which a designed as an elongate profile element
  • Device carrier 400 is inserted through which a - with reference to the representation in Fig. 17 - downwardly open channel is formed.
  • a light source in the form of a fluorescent tube 500 is arranged, which serves to generate a light to be emitted by the lamp 100.
  • the device support 400 and the fluorescent tube 500 accordingly form a "lighting unit" in the sense mentioned at the outset.
  • the light can leave the luminaire through an emission opening 1700 formed by the luminaire housing 200, which is covered by a transparent plate 300.
  • the device carrier 400 shown in separated form.
  • the invention is based on the object, a corresponding improved
  • the lamp unit or the lamp should be designed so that it is better suited for other lamps, such as bulbs in the form of LEDs.
  • a luminaire unit for use in a luminaire housing of a luminaire, wherein the luminaire unit has an elongated profile element, through which a channel is formed with a longitudinal extent, the channel, viewed in a cross section, comprising a first sidewall area, a second sidewall area and having the sidewall regions connecting bottom region; Furthermore, the lamp unit has a lighting means for generating a light to be emitted by the lamp, which is arranged in the channel. In addition, the lamp unit has a light-transmitting contact protection element, which is formed and arranged connecting the side wall portions, such that the lighting means of the side wall portions, the bottom portion and the
  • Contact protection element is surrounded annularly.
  • the lamp unit further comprises a holding element for holding the contact protection element on the profile element, wherein the holding element is preferably designed such that it in a direction transverse to the
  • the lamp unit further comprises an end cover element, which is connected at one end of the profile element with the profile element such that it terminates the channel transversely to its longitudinal extent.
  • an end cover element which is connected at one end of the profile element with the profile element such that it terminates the channel transversely to its longitudinal extent.
  • the end cover element has a preferably
  • the lamp unit is designed such that the Endabdeckungselement is connected by means of a latching connection with the profile element, wherein the
  • Detent connection on the part of the Endabdeckungselements comprises a first locking means and on the part of the profile element, a second locking means.
  • a locking connection By such a locking connection a facilitated mounting of the Endabdeckungselements is made possible on the profile element.
  • the second latching means preferably comprises a recess in the first side wall region and the first latching means a latching arm, which is configured latching engaging in the recess and arranged, preferably with respect to the channel from the outside. This allows a simple and easy to handle design of the locking connection.
  • the profile element further comprises an outer wall region which, with respect to the channel, the first latching means and the second latching means is arranged surrounding from the outside.
  • the overlap region comprises a longitudinal edge overlap region which is designed such that, with respect to the longitudinal extension at the level of the first latching means and the second latching means, it has a gap between the first latching means Side wall area and the outer wall area covers. This is the
  • Accessibility to said locking connection further restricted.
  • the light-emitting means advantageously comprises at least one LED or consists of at least one LED which is arranged on a circuit board, wherein the end cover element has a pressure arm, which is designed such that it presses an end region of the circuit board against the profile element. This allows improved mounting of the board to the profile element and also an improved dissipation of heat from the LED on the profile element, which can act as a heat sink.
  • the lamp unit further comprises at least one pressing element, which is designed and arranged so that it is the board against the
  • the end cover element has an alignment area which is designed to facilitate alignment of the lamp unit with respect to a further, analogously designed lamp unit.
  • the alignment region preferably comprises a funnel-shaped region, as well as an insertion region, which are designed such that by inserting the insertion region of the
  • a luminaire which has a luminaire housing, and at least one luminaire unit according to the invention, which is arranged in the luminaire housing.
  • the lamp is advantageously designed such that a light exit opening is formed by the lamp housing, through which the lamp to be generated by the light can leave the lamp, wherein the lamp preferably further a translucent
  • Covering element which is arranged covering the light exit opening.
  • Fig. 1 is a perspective view of an exemplary embodiment of a
  • Fig. 2 is an enlarged view of Fig. 1 about an end portion of
  • Fig. 3 is an enlarged view of Fig. 1 about a central region of
  • Fig. 4 is a view corresponding to Fig. 1 obliquely from below
  • Fig. 5 is an enlarged view of FIG. 4 around the end of the
  • FIGS. 7a to 9b show views of the end cover element of the lamp unit from different perspectives
  • Figures 10 to 12 are views of two aligned
  • FIG. 13 is a perspective view obliquely from below of an area around a pressure element
  • FIGS. 15a and 15b show two views of the pressing element in separated form
  • FIG. 16 shows a sketch of the electrical wiring
  • Fig. 17 shows a cross section of a lamp with a lamp unit according to the prior art
  • the lamp unit comprises an elongated profile element 10, for example made of aluminum.
  • the length or longitudinal extension of the profile element 10 can be
  • Fig. 6 is a cross section through the profile element 10 is sketched.
  • Profile element 10 is a channel 3 is formed. Due to the elongated design of the profile element 10, the channel 3 has a longitudinal extent L, whose
  • the longitudinal extent L of the channel 3 may be identical to a longitudinal extension of the profile element 10.
  • the luminaire unit or the luminaire in question is oriented in such a way that the channel 3 is open towards the "down", as indicated by an arrow u in Fig. 6. This results in a main radiation direction which points vertically downwards.
  • the Luminaire unit or the corresponding lamp possible for example, the Luminaire be arranged on a wall of a room and be provided a light output, which is characterized by a first approximation horizontal main emission.
  • the lamp unit has a lighting means for generating a light to be emitted by the lamp, which is arranged in the channel 3.
  • the luminaire unit can have a converter unit 80, which is arranged on the profiled element 10, or, for short, a converter which serves to supply an externally supplied current for operating the luminaire to one for the luminaire unit or for the luminaire unit
  • the lamp unit has a light-transmitting contact protection element 11, which is designed and arranged to connect the first side wall region 31 and the second side wall region 32.
  • the design is such that the lighting means of the first side wall portion 31, the bottom wall portion 33, the second side wall portion 32 and the contact protection element 11 annular is surrounded. This can reduce the risk of accidental contact with the bulb.
  • the contact protection element 11 may be designed in the form of a disk.
  • the contact protection element 11 is elongated, designed for example as a profile element, so that it covers the channel 3 over a longitudinal region.
  • the contact protection element 11 extends with respect to the longitudinal extent L of the channel 3 according to its destination, at least over the portion occupied by the lighting means.
  • the contact protection element 11 may have a longitudinal extent that is at least 95% of the longitudinal extent L of the channel 3.
  • the longitudinal extension of the contact protection element 11 may be at least substantially identical to the longitudinal extent L of the channel 3.
  • the contact protection element 11 may for example consist of PMMA (polymethyl methacrylate) or the like, so that in general the thermal expansion properties of the profile element
  • the lamp unit further has a holding element 14, which is designed to hold the contact protection element 11 on the profile element 10.
  • the retaining element 14 is also shown in FIG. 2, which shows an enlarged detail of FIG. 1.
  • the retaining element 14 is preferably designed such that it is resilient in a direction R transverse to the longitudinal extent L of the channel 33 against the contact protection element
  • the design may be such that the retaining element 14 pushes the contact protection element 11 in a direction towards the bottom wall region 33, that is to say with reference to FIG. 6 "upwards".
  • Profile element 10 two or more analogously designed holding elements 14 is provided; As sketched in FIG. 1, two corresponding holding elements 14 can therefore be provided, for example.
  • a locking connection 141 is provided between the holding element 14 and the profile element 10, which is advantageously designed such that a
  • this locking connection 141 - as shown by way of example in FIG. 6 - may be formed in a column area formed by the profile element 10.
  • two corresponding latching connections 141, 14 or more may be provided.
  • Touch protection element 11 is virtually impossible to solve without commercial tool from the profile element 10, at least not reversible to solve. The risk of accidental contact of the lamp or the LEDs and the board 4 is thereby further reduced.
  • the holding element 14 is preferably positioned with respect to the longitudinal extension L in such a way that the delivery of the light generated by the lighting means is impaired as little as possible by the holding element 14.
  • the holding means 14 may be provided, for example, with respect to the longitudinal extent L between two adjacent LEDs.
  • the holding element 14 is designed as a spring element.
  • the holding element 14 or the holding elements 14 may also be designed to support the lamp unit in the lamp housing.
  • the holding element 14, as shown by way of example in FIG. 6, has two laterally protruding snap arms or projections 142, 142 '. These can be designed to engage corresponding projections in the luminaire housing, as they are known in principle and are sketched by way of example in FIG. 17 with the reference numeral 600.
  • the holding member 14 has two engagement portions 143, 143 ' , by the compression of which the projections 142, 142' can be moved according to this inward.
  • Contact protection element 11 is a free space through which even a touch of the board 4 and the LEDs is possible. This danger can be diminished by the fact that the lighting unit furthermore has an end cover element 20, for example shown in FIG. 2, which is connected to the profile element 10 at one end of the profile element 10 such that it transverses the channel 3 transversely to its end
  • Length L completes.
  • the end cover element 20 shown by way of example is shown in different views in separated form in FIGS. 7a, 7b, 8a, 8b, 9a and 9b.
  • Fig. 4 the lamp unit is shown obliquely from below
  • Fig. 5 shows an enlarged detail of Fig. 4 about an end portion of the profile element 10.
  • the end cover member 20 is designated.
  • the end cover member 20 is made of an opaque material and preferably is made of one piece. For example, that can
  • End cover element 20 made of sheet metal or plastic or be made.
  • the end cover element 20 has an overlap region 7, which is designed such that it separates the contact protection element 11 with respect to the channel 3 between the first side wall region 31 and the second one
  • Side wall portion 32 engages around from the outside, preferably encompasses continuously. This is apparent, for example, from FIG. 5. In this way, it is possible to prevent the light generated by the luminous means from emerging from the channel at the relevant end region of the channel 3, without first penetrating the contact protection element 11. This would lead to an increased inhomogeneity of the light emitted by the lamp.
  • the end cover element 20 may in this sense preferably be designed such that it completely closes off the channel 3 at the respective end.
  • the Endabdeckungselement 20 is connected by means of a latching connection with the profile element 10, wherein the latching connection on the part of the
  • Endabdeckungselements 20 comprises a first locking means and part of the
  • the first latching means advantageously comprises a latching arm 5 and the second latching means a recess in the first
  • End cover element 20 allows the profile element 10.
  • the profile element 10 further comprises an outer wall portion 35 which - with respect to the channel 3 - the first latching means and the latching arm 5 and the second latching means or the recess in the first side wall portion 31 is arranged surrounding from the outside.
  • the outer wall portion 35 - as is apparent from Fig. 6 - in a first approximation parallel to the first
  • Detent connection 141 between the retaining element 14 and the profile element 10 is preferably formed.
  • the overlap region 7 comprises a Lekssrandüberlapp Scheme 8, which is designed such that it with respect to the longitudinal extent L at the level of the first locking means and the second locking means covers a gap Z between the first side wall portion 31 and the outer wall portion 35.
  • this makes it possible to limit the accessibility from below.
  • Endabdeckungselement 20 can not be reversibly removed or separated from the profile element 10 practically with commercial tools.
  • the end cover member 20 has a pressing arm 6 which is configured to press an end portion of the board 4 against the profile member 10.
  • a pressing arm 6 which is configured to press an end portion of the board 4 against the profile member 10.
  • the profile element 10 can accordingly have a function as a heat sink.
  • the end cover member 20 may also include other elements, such as a holder for a status LED.
  • the lighting unit preferably also has at least one pressing element 40, which is designed and arranged such that it presses the circuit board 4 against the profile element 10.
  • a latching connection is again provided for holding the pressure element 40 on the profiled element 10, so that the pressure element 40 can be easily mounted on the profile element 10.
  • the pressing element 40 may have a latching means 41 which on a corresponding projection 42 on
  • Profile element 10 for example, on the bottom wall portion 33 for the preparation of the locking connection can be engaged.
  • this has
  • Pressing element 40 for generating a uniform pressure on the board 4 also has a further analogously formed locking means 4 ⁇ .
  • the pressing element 40 can again be designed to be symmetrical, as shown by way of example in the figures, again in turn with respect to the plane of symmetry S.
  • the pressing element 40 has a slightly upwardly curved area between the two locking means 41, 41 'transversely to the longitudinal extent L, so that it is biased such that it presses the board 4 against the profile element 10 when it is arranged as intended on the profile element 10.
  • a direct contact between the pressing member 40 and the board 4 may be provided, but it may also be provided that at the relevant point between the
  • Pressing element 40 and the board extends another component, such as a reflector.
  • the design is advantageous in that the pressure exerted by the pressing member 40 on the board 4, over the life for which the lamp and / or the lamp unit is designed, can be maintained.
  • the pressure element 40 has at least one pressure arm 42 with a pressure surface 43, which is designed for pressing contact with the circuit board 4. This allows a particularly uniform pressure distribution over the surface of the board 4 away.
  • the pressure surface 43 is preferably convex, as shown for example in FIG. 15b. This makes it possible that the board 4 against the pressing member 40 in the direction of
  • the board 4 is preferably supported floating on the profile element 10, in particular only by the at least one pressing element 40 and optionally the at least one Andschreibarm 6 of Endabdeckungselements 20 and optionally at least one Andschreibarm another, analogously designed Endabdeckungselements the opposite end of the channel 3.
  • the pressure arm 6 of the Endabdeckungselements 20 and the Andschreibarm 42 of the pressing member 40 are preferably formed analog.
  • the pressing element 40 preferably has at least two pressing arms 42, 42 ' whose Druckf surfaces with respect to the longitudinal extent L a distance from each other, which is preferably greater than a width of the channel 3rd
  • the pressing element 40 - as shown in the figures - four Andschreibarme 42, 42 ' , 42 “ , 42 “' , wherein two of the Andschreibarme
  • the profile element 10 can advantageously also be designed as a reflector, that is to say have a reflective surface area. Accordingly, that can
  • Profile element 10 so fulfill the functions holding element, heat sink and reflector.
  • the luminaire unit can also optically have a separate reflector 60, which is designated as an example in FIGS. 4 and 5, which is generally oblong and which extends along the channel 3.
  • a separate reflector 60 can be designed with a particularly high ref exionsgrad, which is advantageous with respect to the efficiency of the lamp unit.
  • the reflector 60 is preferably arranged resting on the at least one circuit board 4.
  • it advantageously has a cutout 61 which extends around several or around one of the LEDs 50 and which is also so large that the at least one pressing arm 42 of the
  • a correspondingly shaped cutout 61 can be provided in each case by one LED 50 or in each case a specific number of LEDs.
  • the reflector 60 is so wide that it extends substantially from the first side wall portion 31 to the second side wall portion 32, that is, for example, at least 80%.
  • a light can be provided which can be equipped with a plurality of corresponding lighting units.
  • the luminaire housing can be designed profile-shaped, wherein the plurality of lamp units can be arranged in a row in the luminaire housing. In this case, it is usually desirable to design the luminaire so that the transition between two
  • Luminaire units are aligned relative to each other such that the two respective channels of the lamp units are as possible lying without lateral offset, so lying on a common line.
  • Aligning region 9 which is adapted to align the
  • the luminaire units are internally bridged by electrical cables, which are connected by an end-side end region of the luminaire units first lamp unit lead to the corresponding adjacent end-side end portion of the second lamp unit.
  • electrical cables which are connected by an end-side end region of the luminaire units first lamp unit lead to the corresponding adjacent end-side end portion of the second lamp unit.
  • FIG. 16 a variant A of the lamp unit is sketched, which has an electrical wiring 70, which may comprise a plurality, for example seven, electrical wires.
  • the wiring 70 is preferably on one side of the profile element - here referred to as a variation with 10 '- out.
  • Converter unit 80 arranged for the boards 4 of the relevant
  • Lamp unit A converts the externally supplied power to operate the lamp in a suitable operating voltage.
  • the wiring 70 is - with respect to the channel 3 - on one
  • the wiring 70 can be arranged comparatively far away from the possible heat or heat sources in the form of the LEDs 50 and / or the converter unit 80, so that the risk of heat being adversely affected by the wiring 70 is reduced.
  • a corresponding plug-socket system can be firmly connected to the lamp units or formed as part of the lamp units. This can be practically avoided that a corresponding electrical connection element 90 is lost during assembly.
  • variant A six blanks 4 are provided by way of example, four blanks 4 in variant B and only one printed circuit board 4 in variant c.
  • FIG. 16 an example of a luminaire housing 98 is indicated in FIG. 16, into which the luminaire unit or a plurality of luminaire units can be inserted or
  • the lamp advantageously has a translucent cover element 91, which is arranged to cover the light exit opening 95 or can be.
  • a further homogenization of the light to be emitted by the luminaire can be achieved. In particular, this is also possible at the transition between two adjacent lighting units; In this way, it is possible to achieve a quasi-continuous line of light through a plurality of luminaire units arranged in series.
  • a bus bar is arranged, and the lamp unit a, in the figures 2 and 6, indicated, downstream handle element 81 which is designed to tap current from the busbar, for example via a snap connection.
  • This alternative embodiment has the advantage that a lamp unit with respect to the longitudinal extension of the lamp housing 98 can be used practically at any point; In particular, this does not require specific distances
  • Be provided lighting units For example, it is also possible to provide a "dummy piece" or a spotlight between two adjacent light units, and, for example, see FIG.
  • the busbar can advantageously be arranged above or alternatively laterally in the lamp housing 90.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
  • Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
  • Fastening Of Light Sources Or Lamp Holders (AREA)

Abstract

Unité d'éclairage destinée à être utilisée dans le boîtier d'un appareil d'éclairage, qui comporte un élément profilé allongé (10) dans lequel est ménagé un canal (3) à étendue longitudinale (L), le canal (3), vu en coupe transversale, comportant une première paroi latérale (31), une seconde paroi latérale (32) et une zone de fond (33) reliant les parois latérales (31, 32), et un moyen d'éclairage destiné à produire une lumière devant être émise par l'appareil d'éclairage et situé dans le canal (3). Selon l'invention, un élément de protection (11) contre les contacts transparent, qui relie les parois latérales (31, 32), est conçu et disposé de manière telle que le moyen d'éclairage est entouré sur sa périphérie par les parois latérales (31, 32), la zone de fond (33) et l'élément de protection (11) contre les contacts.
PCT/EP2012/066482 2011-08-25 2012-08-24 Unité d'éclairage pour appareil d'éclairage, et appareil d'éclairage WO2013026915A2 (fr)

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DE202011051094.8 2011-08-25
DE202011051094U DE202011051094U1 (de) 2011-08-25 2011-08-25 Leuchteneinheit für eine Leuchte, sowie Leuchte

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WO2013026915A2 true WO2013026915A2 (fr) 2013-02-28
WO2013026915A3 WO2013026915A3 (fr) 2013-06-20

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CN113596307A (zh) * 2021-07-29 2021-11-02 杭州海康威视数字技术股份有限公司 补光灯、摄像机及其配光组件

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DE202011051094U1 (de) 2012-11-28
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EP2748514B1 (fr) 2016-08-03

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