EP2873910A1 - Instrument optique d'éclairage et bandeau lumineux - Google Patents

Instrument optique d'éclairage et bandeau lumineux Download PDF

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Publication number
EP2873910A1
EP2873910A1 EP20140192787 EP14192787A EP2873910A1 EP 2873910 A1 EP2873910 A1 EP 2873910A1 EP 20140192787 EP20140192787 EP 20140192787 EP 14192787 A EP14192787 A EP 14192787A EP 2873910 A1 EP2873910 A1 EP 2873910A1
Authority
EP
European Patent Office
Prior art keywords
optical element
luminaire
receiving profile
optic
openings
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.)
Granted
Application number
EP20140192787
Other languages
German (de)
English (en)
Other versions
EP2873910B1 (fr
Inventor
Ing. Gerhard Galler
Martin Bader
Thomas Rein
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Zumtobel Lighting GmbH Austria
Original Assignee
Zumtobel Lighting GmbH Austria
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Zumtobel Lighting GmbH Austria filed Critical Zumtobel Lighting GmbH Austria
Publication of EP2873910A1 publication Critical patent/EP2873910A1/fr
Application granted granted Critical
Publication of EP2873910B1 publication Critical patent/EP2873910B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • 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
    • 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
    • F21V17/104—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 feather joints, e.g. tongues and grooves, with or without friction
    • 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
    • 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
    • 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 optics with two mechanically or (light) technically corresponding optical elements and a continuous line luminaire with a corresponding luminaire optics.
  • Such luminaire optics are basically known from the prior art and are used, for example, as elongated elements for influencing the light emission of luminous means, in particular LEDs, wherein the optical element is preferably produced by extrusion.
  • the optical element is preferably produced by extrusion.
  • a problem here is that it is not possible with the extrusion process to meet this requirement with only one profile, since in the production as an extrusion profile, the optical element can only be provided with a glare in the longitudinal direction with respect to the extrusion direction.
  • the corresponding optical element has, for example, a rib-like surface structure, the structures of the optical elements preferably extending transversely to one another.
  • the necessary additional element is produced for example by extrusion, which is then cut into the desired elongated configuration, for example.
  • transverse ribs With transverse ribs.
  • strip lights not only transversely but also longitudinally or in the axial direction.
  • a mechanical connection must be established between the two optical elements in order to secure the second optical element, which is preferably introduced into the first optical element, in the insertion direction or in the axial direction.
  • a possibly different thermal expansion of the two optical elements eg. due to the use of different materials
  • Fuses for fixing the inserted second optical element to the first optical element are currently known from the prior art, which are based in particular on the use of usually externally mounted springs, screws or straps.
  • a disadvantage of these large-scale security elements is that on the one hand, the appearance of the light is disturbed and on the other hand in the light exit area of the optics dark spots arise.
  • the invention relates to a luminaire optics which has both a first optical element and a second optical element.
  • the second optical element is detachably received in a receiving profile of the first optical element.
  • Both the first optical element (preferably the receiving profile) and the second optical element have at least one opening in each case.
  • a latching element is provided, which is arranged in the assembled state of the luminaire optics - at least partially - between the first optical element and the second optical element, in such a way that the latching element engages in the two openings simultaneously, so that the first and the second optical element are locked against each other.
  • the configuration of the locking element as a ball has proved to be particularly advantageous because it allows easy sliding of the locking element, for example in the receiving profile of the first optical element.
  • the latching element for example made of a transparent material, any dark areas still occurring in the light exit area of the optics can be further reduced or even avoided.
  • the positioning and configuration of the latching element there is generally already the advantage that the latter is not visible in the electrified, switched-on state and thus there are no or hardly 'dark' points in the light exit region of the optics.
  • the locking element receiving openings are preferably aligned coaxially to each other, for example, one or both of the mutually corresponding openings have a diameter which is smaller than the diameter of the preferably spherical detent element.
  • the latching element can be securely carried between the two optical elements while simultaneously locking the two optical elements together.
  • one of the two openings can receive the locking element almost completely, so that it is preferably carried in this opening and thus introduced in a simple manner in the other optical element and then securely engage with the protruding area in the other opening or can snap.
  • one of the openings is conical, a secure reception of the latching element, for example a spherical latching element, can take place. Even falling out of the locking element can be safely avoided.
  • one of the two mutually corresponding openings has a diameter which is equal to or greater than the diameter of the preferably spherical detent element.
  • the reception of the spherical detent element can be simplified in one of the two openings, so as to stand by for the detent function.
  • the aforementioned at least one opening may preferably have a diameter equal to that of the preferably spherical detent element. By self-locking this falling out of the locking element is avoided.
  • said at least one opening has a diameter larger than that of the preferably spherical detent element
  • this opening is preferably closed (for example formed as a blind hole) on the side opposite the other opening or by an additional element , which is preferably formed integrally with the first optical element is at least partially covered to prevent falling out of the spherical detent element.
  • the second optical element is preferably introduced or pushed along the end face into the first optical element until the detent element, which is preferably already inserted into the opening of the second element, also engages in the opening of the first element (or vice versa).
  • the receiving profile is designed accordingly and in particular has rails, in which the second optical element is preferably longitudinally inserted.
  • the rails are provided, for example, on both sides of a longitudinal axis of the luminaire optics and are preferably provided as a U-shaped profile in each case toward the center of the luminaire optics or open to one another.
  • the opening of the first element is preferably provided in the region of or in the receiving profile (s);
  • the receiving profile or the corresponding rail preferably forms the aforementioned additional element for at least partially covering the associated opening.
  • the optical elements are preferably provided as an extrusion profile.
  • the receiving profile is preferably formed integrally with the first optical element.
  • At least one of the optical elements further preferably has an integrally formed, blinding surface structures.
  • the invention further relates to a continuous-line luminaire with a luminaire body with light sources (eg LEDs) and a luminaire optic according to the invention, wherein the luminaire optics is provided in (main) emission direction before and optionally laterally of the luminous means.
  • the luminaire optics according to the invention can in principle be used in all luminaires with optics.
  • the FIGS. 1 and 2 each show an embodiment of the luminaire optical system according to the invention 1.
  • the luminaire optics 1 in turn consists of a first optical element 2 and a second optical element 3.
  • the two optical elements 2, 3 are preferably made of a transparent material, such as plastic.
  • the extrusion process is suitable, with which at the same time optically influencing surface structures (for example for glare suppression, ie blinding surface structures) can be integrally introduced into the optical elements.
  • the first and / or second optical element 2, 3 are therefore preferably extrusion profiles, which furthermore preferably have an optical surface structure.
  • the first optical element 2 has a receiving profile or receiving profile element 25, which serves to receive, support or in principle hold the second optical element 3.
  • the receiving profile 25 is preferably formed integrally with the first optical element 2.
  • the receiving profile 25 is formed such that it allows insertion of the first optical element 3 along (ie perpendicular to the plane of the drawing) to the second optical element 3 in the latter.
  • the receiving profile 25 is thus preferably designed such that the second optical element 3 can be inserted or inserted longitudinally with respect to the first optical element 2 into the receiving profile 20.
  • the receiving profile 25 can be designed, for example, in the form of a rail 250, 251 or corresponding rail elements 250, 251, in / on which (s) the second optical element 3 can be inserted or inserted longitudinally.
  • the receiving profile elements 25 and rails 250, 251 on both sides of the longitudinal axis L of the lamp optics 1 in FIGS. 1 and 2 So left and right, where in FIG. 1 only the right part is shown
  • the receiving profile elements 25 and rails 250, 251 on both sides of the longitudinal axis L of the lamp optics 1 (in FIGS. 1 and 2 So left and right, where in FIG. 1 only the right part is shown) and thus provide a receptacle of the second optical element 3 in the first optical element 2 at / along its opposite longitudinal sides or (elongated) end faces.
  • the receiving profile 25 has a U-shaped cross-section, in which the second optical element 3 designed as a plate engages laterally and preferably with its edge region R when it is introduced longitudinally to the U-profile of the receiving profile 25.
  • the invention is not limited to a plate-shaped second optical element, but the second optical element may also have a different shape.
  • the receiving profile 25 need not be U-shaped, as long as it allows a support of the second optical element 3 directly or indirectly.
  • both the first optical element 2 - preferably the receiving profile 25 or a part thereof (ie in the region of the receiving profile 25 and the rails 250, 251) - as well as the second optical element 3 at least one opening 20, 30, 30 'on.
  • These openings 20, 30, 30 ' preferably each extend substantially perpendicular to the insertion direction (the insertion direction is equal in the figures to the longitudinal axis of the luminaire optics 1) of the second optical element 3.
  • the two openings 20, 30, 30' are in the assembled state the luminaire optics 1 preferably aligned coaxially with each other.
  • the openings 20, 30, 30 ' are preferably round - for example in the form of holes or blind holes - formed. However, other cross-sectional shapes are conceivable.
  • the openings 20, 30, 30 ' can be formed, for example, by drilling or punching.
  • a latching element 4 is provided - at least partially - in the assembled state of the luminaire optics 1 between the first optical element 2 and the second optical element 3.
  • This locking element 4 is preferably spherical - that is, as a ball - designed to allow the easiest and safest possible guidance or a smooth and safe sliding of the two optical element 2, 3 into each other.
  • a ball as a locking element 4 a fast, easy and secure locking can be made possible, which can also be solved easily and non-destructively again.
  • the locking element 4 is preferably also made of a transparent material, such as a transparent plastic.
  • one of the openings 20, 30, 30 ' has a diameter D 3 equal to ( FIG. 2 ) or greater than ( FIG. 1 ) is the diameter D 4 of the preferably spherical locking element 4.
  • the diameter D 3 is greater than the diameter D 4 , it is certainly possible to compensate for a different thermal expansion of the two optical elements 2, 3 in operation - for example due to different expansion coefficients of the materials used - while a lock against axial slippage of the two optical elements 2, 3 is ensured relative to each other.
  • the opening 30 has a diameter D 3 , which is greater than the diameter D 4 of the locking element 4, it is preferable to take precautions that the locking element 4 is securely held in the composite of the optical elements 2, 3.
  • the opening 30, 30 ⁇ continuously introduced into the optical element 2, 3, so an additional element 26 should be provided, which at least partially covers the opening 30, 30 ', to avoid falling out of the preferably spherical detent element 4.
  • the additional element 26 may be provided as a separate element or, for example, may also be formed integrally with the first or second optical element 2, 3.
  • the receiving profile 25 or the rails 250, 251 be formed or another integrally or additionally provided element 26 can be provided, which the locking element 4 on the opposite side of the opening 20 of the opening 30, 30 'safe supported.
  • the receiving profile 25 at least partially extend beyond / in front of the opening 30, 30 'and thus (partially) close it in the assembled state of the lamp optics 1.
  • the spherical locking element 4 between the legs of the U-shaped receiving profile 25 and the rails 250, 251 is held and positioned.
  • the lateral gap S (see FIG. 1 ) to the second optical element 3 offers the possibility of compensation for different thermal expansion of the elements 2, 3.
  • the opening 30, 30 ' for example, formed as a blind hole
  • the locking element 4 would on the one hand on the first optical element 2 (here via the contact edge 41) and on the other hand on which the additional element 26 forming bottom of the blind hole of the second optical element 3 are supported. The latter would then preferably again be supported either in the receiving profile 25 or on another element in order to carry the second optical element 3 safely.
  • the diameters D 3 and D 4 are the same size, it is easily possible to simplify the handling of the optical elements 2, 3 before merging them. In the sense of a fit by falling out of the locking element is largely avoided by self-locking. As a precautionary measure, the aforementioned additional element 26 can additionally be provided.
  • a diameter D 2 , D 3 may have, which is greater than, equal to or smaller than the diameter D 4 .
  • At least one of the two openings 20, 30, 30 ' preferably the larger of the two openings 30, 30', which accommodates preferably ball-shaped locking element 4 almost completely.
  • a region 42 of the locking element 4 which is designed to intervene in the assembled state of the lamp optics 1 in the corresponding other opening 20.
  • the preferred embodiment with a round design of the openings 20, 30, 30 'and spherical configuration of the locking element 4 also allows a secure centering and thus positioning of the two optical elements 2.3 to each other.
  • other shapes and dimensions of the openings 20, 30, 30 'and the locking element 4 are conceivable.
  • the locking element 4 also pin-shaped and / or the openings 20, 30, 30 'can also be configured angular.
  • the openings 20, 30, 30 'must not be formed as a through hole, but may - as previously mentioned - be formed, for example, as a blind hole or the like.
  • the openings 20, 30, 30 ' are conical and tapered away from the other opening 30, 30', 20, so that the latching element 4, in particular in the case of a spherical configuration, securely engages in the opening 20 , 30, 30 'is picked up and carried.
  • This also facilitates handling when merging the optical elements 2, 3, since the ball 4 is simply inserted into the corresponding opening 20, 30, 30 'and held automatically in this.
  • the opening 20, 30, 30 ' is formed as a blind hole or has a diameter which is smaller than the diameter D 4 of the preferably spherical detent element 4.
  • the luminaire optics 1 thus makes it possible, by simply providing or inserting a (spherical) detent element 4 in an opening 20, 30, 30 'of an optical element 2, 3, this with a further optical element 3, 2, with which the other optical Element 2, 3 is brought together to lock by simply telescoping by the locking element 4 in the assembled state of the lamp optics 1 in addition to one with the first openings 20, 30, 30 ' corresponding second opening 30, 30 ', 20 engages.
  • the resulting locking thus prevents an automatic release of both optical elements 2, 3 from each other and also makes it possible to accommodate or compensate for thermally different expansions of the optical elements 2.3.
  • the openings are provided near the end-side end regions of the respective optical elements 2, 3 with respect to the insertion direction or longitudinal axis of the luminaire optics 1, a particularly simple assembly is made possible because the latching element 4 only has to slide over a short distance between the elements 2, 3 it is locked in both openings.
  • the fuse provided in this way is almost undetectable, although both optical elements 2, 3 consist of a transparent material, since it is located on an outer area of the optics.
  • the locking element 4 itself also made of a transparent material, for example, again made of plastic. There are therefore hardly any dark spots in the light exit region of the optics 1, which is already achieved by the basic arrangement of the latching element 4 with respect to the optical elements 2, 3.
  • a continuous-row luminaire preferably has a luminaire body with luminous means, for example LEDs, which are placed in (in each case) an optic O that is preferably formed integrally with the first optical element 2 when the luminaire optics 1 are installed.
  • the luminaire optics 1 may preferably have latching elements V, which are preferably formed integrally with the first optical element 2 and cooperate with corresponding latching elements on the side of the luminaire body (ie, for example, a housing of the luminaire) ,
  • the receiving profile 25 preferably has said rails 250, 251 provided on both sides of the longitudinal axis L of the continuous line lamp, which are particularly preferably integrally formed with the first optical element 2 and at least on one surface side or preferably as shown in the figures ,
  • On two opposite surface sides of the second optical element 3 is provided

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
EP14192787.1A 2013-11-19 2014-11-12 Instrument optique d'éclairage et bandeau lumineux Active EP2873910B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE202013010408.2U DE202013010408U1 (de) 2013-11-19 2013-11-19 Leuchtenoptik und Lichtbandleuchte

Publications (2)

Publication Number Publication Date
EP2873910A1 true EP2873910A1 (fr) 2015-05-20
EP2873910B1 EP2873910B1 (fr) 2017-10-11

Family

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EP14192787.1A Active EP2873910B1 (fr) 2013-11-19 2014-11-12 Instrument optique d'éclairage et bandeau lumineux

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EP (1) EP2873910B1 (fr)
AT (1) AT15346U1 (fr)
DE (1) DE202013010408U1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102016104221A1 (de) * 2016-01-26 2017-08-10 Siteco Beleuchtungstechnik Gmbh LED-Leuchte mit Lichtlenkelement

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102015207987A1 (de) * 2015-04-30 2016-11-03 Zumtobel Lighting Gmbh Leuchtvorrichtung

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB580915A (en) * 1944-11-18 1946-09-24 Veritys Ltd Fluorescent electrical lighting fittings
US4338653A (en) * 1980-09-24 1982-07-06 Louis Marrero Versatile fluorescent lighting fixture
US5373428A (en) * 1992-01-24 1994-12-13 Showcard Systems Retail Limited Lightbox for display purposes
EP1195551A2 (fr) * 2000-10-04 2002-04-10 Teknoware Oy Dispositif d' éclairage
EP2375128A2 (fr) * 2010-04-09 2011-10-12 Zumtobel Lighting GmbH Luminaire dotée de DEL et de lentilles attribuées aux DEL

Family Cites Families (7)

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Publication number Priority date Publication date Assignee Title
US7159997B2 (en) * 2004-12-30 2007-01-09 Lo Lighting Linear lighting apparatus with increased light-transmission efficiency
AT511424B1 (de) * 2011-04-26 2014-06-15 Zizala Lichtsysteme Gmbh Rastvorrichtung zum verbinden von bauteilen
AT511794B1 (de) * 2011-08-11 2014-08-15 Unique Lights Cee Gmbh Montagevorrichtung für eine leuchte
DE202012100508U1 (de) * 2012-02-15 2013-05-17 Zumtobel Lighting Gmbh LED-Leuchte mit Lichtbeeinflussungselement
AT13359U1 (de) * 2012-06-13 2013-11-15 Zumtobel Lighting Gmbh Leuchteneinheit für eine LED-Leuchte, sowie LED Leuchte
DE202012011552U1 (de) * 2012-11-30 2013-04-30 Benjamin Berndt LED Profil Schattenfuge senkrecht
DE202013100401U1 (de) * 2013-01-29 2013-03-14 Hella Kgaa Hueck & Co. Beleuchtungsvorrichtung und Befestigungsanordnung für die Beleuchtungsvorrichtung

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB580915A (en) * 1944-11-18 1946-09-24 Veritys Ltd Fluorescent electrical lighting fittings
US4338653A (en) * 1980-09-24 1982-07-06 Louis Marrero Versatile fluorescent lighting fixture
US5373428A (en) * 1992-01-24 1994-12-13 Showcard Systems Retail Limited Lightbox for display purposes
EP1195551A2 (fr) * 2000-10-04 2002-04-10 Teknoware Oy Dispositif d' éclairage
EP2375128A2 (fr) * 2010-04-09 2011-10-12 Zumtobel Lighting GmbH Luminaire dotée de DEL et de lentilles attribuées aux DEL

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102016104221A1 (de) * 2016-01-26 2017-08-10 Siteco Beleuchtungstechnik Gmbh LED-Leuchte mit Lichtlenkelement
DE102016104221B4 (de) 2016-01-26 2022-01-05 Siteco Gmbh LED-Leuchte mit Lichtlenkelement

Also Published As

Publication number Publication date
EP2873910B1 (fr) 2017-10-11
AT15346U1 (de) 2017-06-15
DE202013010408U1 (de) 2015-02-20

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