WO2015091820A1 - Réflecteur de luminaire pour luminaires à led - Google Patents

Réflecteur de luminaire pour luminaires à led Download PDF

Info

Publication number
WO2015091820A1
WO2015091820A1 PCT/EP2014/078497 EP2014078497W WO2015091820A1 WO 2015091820 A1 WO2015091820 A1 WO 2015091820A1 EP 2014078497 W EP2014078497 W EP 2014078497W WO 2015091820 A1 WO2015091820 A1 WO 2015091820A1
Authority
WO
WIPO (PCT)
Prior art keywords
adhesive film
luminaire reflector
support plate
reflector according
mounting portion
Prior art date
Application number
PCT/EP2014/078497
Other languages
German (de)
English (en)
Inventor
Dirk Reissenweber
Rolf Goebel
Peter Steer
Frank Templin
Original Assignee
Alanod Gmbh & Co. Kg
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 Alanod Gmbh & Co. Kg filed Critical Alanod Gmbh & Co. Kg
Publication of WO2015091820A1 publication Critical patent/WO2015091820A1/fr

Links

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
    • 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
    • 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
    • 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
    • F21V17/101—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 permanently, e.g. welding, gluing or riveting
    • 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
    • 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
    • F21V19/005—Fastening of light source holders, e.g. of circuit boards or substrates holding light sources by permanent fixing means, e.g. gluing, riveting or embedding in a potting compound
    • 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
    • F21V29/00—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
    • F21V29/50—Cooling arrangements
    • F21V29/502—Cooling arrangements characterised by the adaptation for cooling of specific components
    • F21V29/505—Cooling arrangements characterised by the adaptation for cooling of specific components of reflectors
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
    • F21Y2103/00—Elongate light sources, e.g. fluorescent tubes
    • F21Y2103/10—Elongate light sources, e.g. fluorescent tubes comprising a linear array of point-like light-generating elements
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
    • F21Y2115/00—Light-generating elements of semiconductor light sources
    • F21Y2115/10—Light-emitting diodes [LED]

Definitions

  • the present invention relates to a luminaire reflector according to the preamble of claim 1 and an LED lamp according to the preamble of claim 1 1st
  • the present invention is based on the object to reduce the assembly costs for the production of an LED lamp and to simplify the reflector manufacture.
  • Luminaire reflectors are included in the subclaims. Furthermore, the invention relates to an LED lamp according to the invention according to claim 1 1 and the associated subclaims.
  • the present invention is based on the recognition that - by the conductor tracks are part of the provided with the light-reflecting surface support plate - a uniform prefabricated reflector component can be provided, whereby the reflector component is manufactured by the meter and also the
  • Adhesive film for mounting the LED board is prepared by a simple gluing. In this case, it is particularly advantageous if a uniform adhesive film is used for fastening the conductor tracks and for fastening the LED circuit board.
  • the adhesive film advantageously used is a thermoplastic adhesive film based on modified polyolefins, which can be applied using the conventional laminating techniques such as calender, flame lamination, press, hot air and ironing. This has z. B. a density according to DIN 53479 of 0.90 g / cm 3 and a melting range (Kofier Bank) of 1 15 to 130 ° C.
  • the melt index according to DIN ISO 33 is 3 to 8 g / 10 min (90 ° C / 2, 2 N).
  • the invention also relates to an inventive
  • Fig. 1 is a partial perspective view of an inventive
  • FIG. 2 shows a cross section through a luminaire reflector according to the invention according to FIG. 1,
  • FIG. 3 shows a cross section through a luminaire reflector according to the invention in an alternative embodiment, showing contact elements according to the invention
  • FIG. 3 5 shows a partial view of a luminaire reflector according to the invention with an alternative embodiment of the contact elements
  • Fig. 6 is a view of a band-shaped profile according to the invention
  • Fig. 6a shows a detail at A in Fig. 6
  • FIG. 7 is a perspective view of a portion of a
  • Support plate according to the invention or band-shaped profile.
  • Luminaire reflector a support plate 1 with two longitudinal edges 2 and two transverse edges 3 and formed on the support plate 1 light-reflecting surface, z. B. a reflection layer 4 and a formed on the support plate 1,
  • LED (light emitting diodes) board (s) 7 is / are mounted on the mounting portion 6, wherein the mounting portion 6 is in particular strip-shaped and in particular parallel to the Longitudinal edges 2 of the support plate 1 runs.
  • the LED board 7 are a plurality of in the longitudinal direction X-X of the board. 7
  • an electrically conductive trace 9 is arranged, which is applied by means of a double-sided adhesive film 1 1 made of thermoplastic material.
  • a double-sided adhesive film 1 1 made of thermoplastic material.
  • only one conductor 9 may be present on one side of the mounting portion 6. But there may also be two or more tracks 9 on one or both sides.
  • the printed conductors 9 can be arranged on the upper side of the carrier sheet 1 having the reflection layer 4. This arrangement is shown in FIGS. 1 and 2.
  • Conductor tracks 9 in turn each attached by means of the adhesive film 11 to the support plate 1.
  • the adhesive film 11 used to fasten the printed conductors 9 is a two-sided adhesive, in particular a thermoplastic adhesive film.
  • Particularly suitable as such films are those of ethylene vinyl acetates (EVA), ethylene-acrylic acid copolymers (EAA), as well as of polyolefins, such as polypropylene (PP), polyethylene (PE), z. High density polyethylene (HDPE) or low density (LDPE), especially low density polyethylene of linear molecular structure (LLDPE).
  • EVA ethylene vinyl acetates
  • EAA ethylene-acrylic acid copolymers
  • polyolefins such as polypropylene (PP), polyethylene (PE), z.
  • PP polypropylene
  • PE polyethylene
  • LLDPE linear molecular structure
  • ethene and higher ⁇ -olefins such as preferably buten
  • the melt index according to DIN 53735 (190 ° C., 21.2 N) of such commercially available films is in the range between 3 g / 10 min and 9 g / 10 min and the melting range (Kofier Bank) in the range between 80 ° C. and 150 ° C.
  • the polymers from which they are made have such films in a particular Klebfilmmeaning in the range of about 85 g / m 2 to 120 g / m 2 on. Typical values are given in Table 1 below.
  • the specific adhesive film weight is uniform at 100 g / m 2 .
  • the conductor tracks 9 are laminated by means of the adhesive film 1 1.
  • the conductor 9 consists of a metal foil z.
  • copper or aluminum or aluminum with a z. B. in the PVD method sputtered copper layer, so that good electrical conductivity properties are present.
  • the adhesive film 11 serves simultaneously as an electrical insulation layer, so that the conductor tracks 9 are electrically decoupled from the support plate 1. This also avoids that an electrically conductive connection between the two
  • a luminaire reflector according to the invention would be 90 V voltage and 700 mA current or 90 V voltage and 360 mA current.
  • a suitable conductor 9 would be 0.4 mm (thickness) x 4 mm (width).
  • the mounting portion 6 at its two side edge regions 12, and only in the side wall portions 12, covered by a double-sided adhesive film 1 1 a of the type described above, so that there coverage areas of the adhesive film 1 1 a are formed.
  • a tape-free area 13 of the mounting portion 6 forms between the overlapping areas.
  • Adhesive film 1 1 a attached by sticking. Also in the adhesive film 1 1 a is accordingly a double-sided adhesive film.
  • the carrier sheet 1 may have a light-reflecting surface with a total reflectance according to DIN 5036, Part 3 of at least 80%
  • the support plate 1 may be formed with the reflective layer 4 material fit as a unitary component.
  • the reflective layer 4 with the support plate 1 via a lying between both two-sided adhesive film 1 1 b to connect with each other.
  • the adhesive film 1 1 is applied in one piece with the adhesive films 1 1 a and 1 1 b as a uniform continuous adhesive film.
  • FIGS. 1 to 4 it may be expedient, as shown in FIGS. 1 to 4, to provide the carrier sheet 1 in the region of the mounting section 6 between the overlapping covering regions or side wall regions 12 with an expression 14.
  • This expression 14 has a height which corresponds to the thickness of the adhesive film 11a in such a way that the LED board 7 rests on the embodiment 14 in the affixed state outside the covering regions or sidewall regions 12, so that there a thermally conductive connection between the LED Board 7 and the support plate 1 is formed so that the support plate 1 can act as a heat sink.
  • the support plate 1 is advantageously made of aluminum, copper, steel or plastic.
  • the carrier sheet 1 may be made of another suitable dimensionally stable material.
  • the present invention also relates only to the above
  • Support plate 1 wherein the individual features are essential individually and in combination.
  • FIG 7 another expedient embodiment of a support plate 1 for use, for example, in a luminaire reflector shown.
  • the support plate 1 on its mounting portion 6 at least one electrically conductive trace 9, which is applied by means of a double-sided adhesive film 11 made of electrically insulating plastic material.
  • the features described in Figures 1 to 6 are also included individually or in combination with. It is useful according to the invention, when the tracks 9 on its exposed surface
  • the electrically insulating plastic material 35 including their longitudinal edges with an electrically insulating plastic material 35 are covered on one side.
  • the electrically insulating plastic material 35 consists of a single-sided adhesive film.
  • This adhesive film is applied with its adhesive coating having the side at least on the exposed surface of the tracks 9 advantageously including their longitudinal edges.
  • the adhesive film 35 may also project beyond the conductor tracks 9 at one or both longitudinal edges. If a plurality of conductor tracks 9 are present, these can be covered individually or several of them or all together with an adhesive film 35.
  • the material of the adhesive film 35 corresponds to that of the adhesive film 11 described with reference to FIGS. 1 to 6, wherein the adhesive film 35 is preferably adhesive on one side only.
  • the adhesive film 35 can be unwound from a coil as an endless material and in the manufacture of the
  • Carrier plates 1 are merged with the other components.
  • recesses 36 in the adhesive film 35, through which electrical contacting can take place.
  • These recesses 36 may be, for example, circular or rectangular, but their shape can be chosen arbitrarily.
  • Support plate 1 according to the above-described embodiment features makes it possible, the support plate 1 with the conductors 9 and the respective adhesive films 1 1, 1 1 a, 11 b and optionally 35 and the reflective layer 4 from a material blank of a band-shaped profile 16, see Fig. 6, to produce, wherein the support plate 1, optionally with a reflective layer, the conductor tracks 9, the adhesive films 1 1 and optionally 35 and expediently the
  • foil-shaped reflection layer 4 are each unwound from a separate coil as an endless material and combined in the production. This makes it possible according to the invention to produce these material blanks consisting of the support plate 1, the conductor tracks 9 and the reflective layer 4 by the meter, resulting in low production costs and a low
  • the light-reflecting surface or the reflection layer 4 can as
  • Sputtering layer z. B. in the PVD process, as Eloxal Anlagen or paint layer, z. B. white lacquer layer may be formed.
  • Carrier plates 1 connected multifunctions such as holding and guiding, with no wiring is required.
  • the inventively designed material blank of the support plate 1 requires only a single electrical connection z. B. at one of the ends of the conductor tracks. 9
  • the luminaire reflector according to the invention may have a conventional reflector design of a linear luminaire, wherein a middle, the mounting portion 6 having ceiling portion 7 is formed, on its longitudinal sides convexly curved outward
  • Reflector side wall portions 18 are integrally formed. Basically, a
  • Lamp reflector according to the invention have any shape, wherein the lamp reflector may be formed as a flat, flat component. As can be seen from FIGS. 1 to 4, it is expedient according to the invention if the luminaire reflector is fastened on a base body 19, which is the electrical supply unit 20 for a device according to the invention
  • Lamp reflector formed LED light includes.
  • An LED light, d. H. a luminaire which has light-emitting diodes as the light source comprises, according to the invention, at least one LED board 7 with light-emitting diodes 8 arranged behind one another in the longitudinal direction of the LED board and one
  • Luminaire reflector as shown for example in one of Figs. 1 to 4.
  • contact clips 24 For electrically contacting the printed conductors 9 on the underside of the carrier plate 1 with terminal contacts 22a, 22b formed on the LED board 7, it is expedient to use contact clips 24, as shown in FIGS. 3 and 4. These contact clips 24 are fastened in a clamping manner on the carrier plate 1 and consist of two mutually parallel contact legs 26, 27 and one end connecting them
  • Support plate 1 has for the mounting of the contact clips 24 a
  • the connector 31st advantageously a T-shaped profile shape, wherein its vertical T-leg 32 of two mutually parallel, in particular the same length,
  • resiliently deformable spring arms 32a, 32b is formed at the free ends latching hooks 33 are formed, which engage behind the opening edge of the insertion opening in the inserted state of the T-leg 32.
  • the horizontal T-leg 32 has at its two opposite ends contact portions 29, which for electrically contacting one of the conductor tracks and each
  • the connector 31 are formed such that in the assembled state of the horizontal T-leg 33 is biased with its justifyierabêten 29 to the terminal contacts 22a, 22b.
  • the electrically conductive contact clips 24 and the electrically conductive plug connectors 31 are formed from an electrically conductive metal-plastic hybrid material.
  • the electrically conductive contact clips 24 and the electrically conductive plug connectors 31 are formed from an electrically conductive metal-plastic hybrid material.
  • Plug connector 31 guided in the corresponding insertion opening of the support plate 1, that they are secured against rotation.
  • Connector 31 and contact clips 24 allow easy installation, for example with a mounting robot, and can be inexpensive in high
  • Embodiments are not limited to all features in combination, but each individual feature can also be detached from all others

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Fastening Of Light Sources Or Lamp Holders (AREA)

Abstract

L'invention concerne un réflecteur de luminaire, comprenant une tôle de support (1) présentant deux bords longitudinaux (2) et deux bords transversaux (3), au moins une surface (4) réfléchissant la lumière, et une section de montage (6) réalisée sur la tôle de support (1) pour au moins une platine à LED (7) destinée à au moins une diode électroluminescente (8). La section de montage (6) s'étend en particulier parallèlement aux bords longitudinaux (2) de la tôle de support (1). Au moins un tracé électroconducteur (9) est appliqué à distance de la section de montage (6) sur au moins un côté de la section de montage (6) au moyen d'un film adhésif (11) double face composé d'une matière plastique électriquement isolante.
PCT/EP2014/078497 2013-12-20 2014-12-18 Réflecteur de luminaire pour luminaires à led WO2015091820A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102013114627.9 2013-12-20
DE102013114627.9A DE102013114627A1 (de) 2013-12-20 2013-12-20 Leuchtenreflektor für LED-Leuchten

Publications (1)

Publication Number Publication Date
WO2015091820A1 true WO2015091820A1 (fr) 2015-06-25

Family

ID=52339104

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2014/078497 WO2015091820A1 (fr) 2013-12-20 2014-12-18 Réflecteur de luminaire pour luminaires à led

Country Status (2)

Country Link
DE (1) DE102013114627A1 (fr)
WO (1) WO2015091820A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102015122510A1 (de) 2015-12-22 2017-06-22 Rehau Ag + Co Leuchtvorrichtung mit einer länglichen Leuchte und einem Schutzelement aus einem Kunststoffmaterial
DE102015122566A1 (de) 2015-12-22 2017-06-22 Rehau Ag + Co Leuchtensystem umfassend mehrere Leuchteinheiten

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102009042339A1 (de) * 2008-09-19 2010-03-25 Alexander Burrak Lichtleiste
US20100110680A1 (en) * 2008-10-31 2010-05-06 Osram Gesellschaft Mit Beschraenkter Haftung Mounting arrangement for lighting modules and corresponding method
US20100188852A1 (en) * 2006-11-30 2010-07-29 Toshiba Lighting & Technology Corporation Illumination device with semiconductor light-emitting elements
US20120069556A1 (en) * 2009-05-28 2012-03-22 Osram Ag Illumination module and illumination device
DE202012103596U1 (de) * 2012-09-19 2012-10-22 Bahner Lichttechnik Gmbh I.G. Leuchte
WO2013068532A1 (fr) * 2011-11-10 2013-05-16 Osram Gmbh Dispositif d'éclairage

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20100188852A1 (en) * 2006-11-30 2010-07-29 Toshiba Lighting & Technology Corporation Illumination device with semiconductor light-emitting elements
DE102009042339A1 (de) * 2008-09-19 2010-03-25 Alexander Burrak Lichtleiste
US20100110680A1 (en) * 2008-10-31 2010-05-06 Osram Gesellschaft Mit Beschraenkter Haftung Mounting arrangement for lighting modules and corresponding method
US20120069556A1 (en) * 2009-05-28 2012-03-22 Osram Ag Illumination module and illumination device
WO2013068532A1 (fr) * 2011-11-10 2013-05-16 Osram Gmbh Dispositif d'éclairage
DE202012103596U1 (de) * 2012-09-19 2012-10-22 Bahner Lichttechnik Gmbh I.G. Leuchte

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102015122510A1 (de) 2015-12-22 2017-06-22 Rehau Ag + Co Leuchtvorrichtung mit einer länglichen Leuchte und einem Schutzelement aus einem Kunststoffmaterial
DE102015122566A1 (de) 2015-12-22 2017-06-22 Rehau Ag + Co Leuchtensystem umfassend mehrere Leuchteinheiten
EP3184890A1 (fr) 2015-12-22 2017-06-28 REHAU AG + Co Dispositif d'éclairage avec un luminaire longitudinal et un élément de protection en matériau plastique
EP3184891A1 (fr) 2015-12-22 2017-06-28 REHAU AG + Co Système d'éclairage comprenant plusieurs unités d'éclairage

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