EP3719389B1 - Beleuchtungsvorrichtung - Google Patents

Beleuchtungsvorrichtung Download PDF

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Publication number
EP3719389B1
EP3719389B1 EP20165579.2A EP20165579A EP3719389B1 EP 3719389 B1 EP3719389 B1 EP 3719389B1 EP 20165579 A EP20165579 A EP 20165579A EP 3719389 B1 EP3719389 B1 EP 3719389B1
Authority
EP
European Patent Office
Prior art keywords
lighting
head
extends
slide
lighting head
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
EP20165579.2A
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English (en)
French (fr)
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EP3719389A1 (de
Inventor
Roberto Botti
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.)
SIMES Societa Italiana Medicinali e Sintetici SpA
Original Assignee
SIMES Societa Italiana Medicinali e Sintetici SpA
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.)
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Publication of EP3719389A1 publication Critical patent/EP3719389A1/de
Application granted granted Critical
Publication of EP3719389B1 publication Critical patent/EP3719389B1/de
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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
    • F21V7/00—Reflectors for light sources
    • F21V7/0008—Reflectors for light sources providing for indirect lighting
    • 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
    • F21S8/032—Lighting devices intended for fixed installation of surface-mounted type the surface being a floor or like ground surface, e.g. pavement
    • 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
    • F21S8/081—Lighting devices intended for fixed installation with a standard of low-built type, e.g. landscape light
    • F21S8/083—Lighting devices intended for fixed installation with a standard of low-built type, e.g. landscape light of bollard type, i.e. with lighting fixture integrated into the standard or mounted on top of it and having substantially the same diameter
    • 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
    • F21V17/12—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 screwing
    • 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
    • F21V7/0058—Reflectors for light sources adapted to cooperate with light sources of shapes different from point-like or linear, e.g. circular light sources
    • 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
    • F21V7/04—Optical design
    • F21V7/041—Optical design with conical or pyramidal surface
    • 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
    • F21V7/04—Optical design
    • F21V7/048—Optical design with facets structure
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21W—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO USES OR APPLICATIONS OF LIGHTING DEVICES OR SYSTEMS
    • F21W2131/00—Use or application of lighting devices or systems not provided for in codes F21W2102/00-F21W2121/00
    • F21W2131/10—Outdoor lighting
    • F21W2131/109—Outdoor lighting of gardens
    • 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
    • F21Y2103/30—Elongate light sources, e.g. fluorescent tubes curved
    • F21Y2103/33—Elongate light sources, e.g. fluorescent tubes curved annular
    • 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 lighting apparatus that comprises a parallelepiped body extending vertically from a base that can be fixed to the ground, and a light source housed in an end portion of the body that can emit a beam of light in the radial direction.
  • the light generated by the light source can be emitted at an emission angle of 360° about the vertical apparatus axis, or at smaller angles of a preset size.
  • the light source directly emits the light in the radial direction and an anti-glare screen is therefore provided in the side wall of the body of the apparatus. If the light-emission angle is 360°, the screen may also function as a support for the top of the body of the apparatus that protects or houses the light source.
  • CN 204 665 085 U discloses a street lamp holder, including a top lighting head and a reflective member surrounded by a lamp shade. Another prior art lighting device is known from CN 104 728 720 A .
  • the object of the present invention is to provide an apparatus of the type mentioned above, which does not require the presence of an anti-glare screen in the side wall of the body of the apparatus and which is therefore able to offer an improved lighting effect.
  • Another object of the invention is to provide a lighting apparatus of the aforementioned type, but which has a different mechanical structure that makes it possible to facilitate the production, assembly and reliability over time of the apparatus.
  • 1 and 100 indicate a lighting apparatus according to the invention as a whole.
  • the lighting apparatus comprises a main body 10; 110 having a base 2 that can be fixed to the ground.
  • a lighting head 12; 112 is arranged on the main body 10, 110.
  • the main body 10; 110 comprises a side wall 4 that extends from the base around a longitudinal body axis X.
  • the apparatus will be considered to be oriented in its final use position, that is with the longitudinal body axis X oriented vertically.
  • the side wall 4 is axially symmetrical, for example cylindrical, as in the examples shown.
  • the lighting head 12; 112 houses a light source 14, 114 suitable to project a beam of light downwards.
  • the main body 10; 110 comprises an upper portion 16; 116 that extends from the side wall 4 and forms, at least in a peripheral sector, a reflective slide 18; 118 suitable to reflect the light generated by the lighting head 12; 112.
  • silica generally means an inclined or tapered surface, including a concave surface, which, upon receiving a beam of light from a light source arranged thereabove, reflects the beam of light in a substantially radial direction. It is clear that the geometric shape of the slide can be selected on the basis of what direction the beam of light leaving the apparatus is intended to go in.
  • the light source 14; 114 is positioned above the reflective slide.
  • the light source 14; 114 comprises an LED printed circuit board housed in a source seat that is made in the lighting head and is open towards the reflective slide 18; 118.
  • the LED printed circuit board is fixed to the particular source seat so as to extend in a plane that is orthogonal to the longitudinal apparatus axis.
  • the light source can be protected by a transparent or semitransparent protection plate 14'; 114', which closes the light emission aperture.
  • the light emission aperture which may be provided with a protection plate 14'; 114', has substantially the same shape, in plan view, as the reflective slide 18; 118 arranged therebelow.
  • the lighting head 12; 112 forms a lower light emission wall 13; 113, in other words that faces the upper portion of the main body, which is substantially planar and orthogonal to the longitudinal apparatus axis X.
  • the protection plate 14'; 114' forms a portion of the lower wall of the lighting head.
  • the lighting head 12; 112 has the same shape, in plan view, as the main body.
  • the main body 10; 110 ends at the top with a head support neck 20 that extends vertically coaxially with the longitudinal body axis X and has a radial extension that is smaller than the radial extension of the main body and of the lighting head.
  • the reflective slide 18; 118 extends between the head support neck 20 and the upper edge of the side wall 4.
  • the reflective slide 18; 118 extends from the side wall 20' of the head supporting neck 20 to the upper edge of the side wall.
  • the lighting head 12; 112 is exclusively fixed to the head support neck 20 by fixing means that are hidden from view and act axially between the head support neck 20 and an inner central portion 22 of the lighting head 12; 112.
  • the fixing means are made up of fixing screws 24 supported by the head support neck 20 and screwed into respective threaded seats 26 formed in the inner central portion 22 of the lighting head 12; 112.
  • the fixing screws 24 comprise respective heads 24' that can be accessed from inside the upper portion 16.
  • the upper portion 16 is substantially hollow on the inside.
  • the fixing screws 24 are supported by radial protrusions 28 that extend towards the longitudinal apparatus axis X from the inside of the side wall 20' of the head support neck 20.
  • the upper portion 16; 116 of the main body and the side wall 4 are formed as separate components and are assembled.
  • the side wall 4 is formed from a tubular body; the upper portion 16; 116 can be formed as one piece by means of die casting.
  • the body and the head can be made of aluminum.
  • the upper portion 16, 116 is provided with a lower collar 30 that is inserted with a form fit into the open upper end of the side wall 4 and can be fastened thereto, for example by means of a radial grub screw ( Fig. 3 ).
  • the head support neck 20 comprises a side wall 20' that extends vertically from the radially inner edge of the reflective slide 18; 118 and is received in the inner central portion 22 of the lighting head.
  • the head support neck 20 is hidden from view and makes it possible to bring together the lower wall 13; 113 of the lighting head and the upper edge of the reflective slide 18; 118 substantially seamlessly, as can be observed in particular from the elevated views in Fig. 1 and 4 .
  • the main body 10; 110 is substantially cylindrical.
  • the reflective slide 18; 118 is formed by at least one portion of a truncated cone-shaped side wall.
  • the reflective slide 18; 118 comprises a surface knurling or groove, suitable to diffuse the light generated by the light source.
  • This surface knurling or groove therefore performs an anti-glare function.
  • the surface knurling or groove is formed by an alternation of ridges and slopes, preferably having a radial extension.
  • the reflective slide 18; 118 also comprises an opaque color, preferably black, which is useful for further improving the visual comfort, particularly in combination with the surface knurling or groove.
  • the ridges and slopes of the surface knurling become progressively wider towards the bottom so as to ensure uniform diffusion of the light.
  • the reflective slide 18 is formed by a truncated cone-shaped wall that extends at 360° around the longitudinal body axis X.
  • the light source 14 comprises a circular crown-shaped extension that extends around the inner central portion 12.
  • the light emission aperture is preferably superimposed and coincides, in plan view, with the truncated cone-shaped wall 18.
  • the reflective slide 118 is formed by a truncated cone-shaped wall portion that extends through a circular sector around the longitudinal body axis X.
  • the light source 114 comprises an extension that is shape as a sector of a circular crown and extends in part around the inner central portion 22.
  • the light emission aperture is preferably superimposed and coincides, in plan view, with the truncated cone-shaped wall portion 118.
  • the upper portion 116 preferably forms a damping sector 120 that extends at an angle between the ends of the truncated cone-shaped wall portion 118 and vertically from the side wall 4 to the lighting head 112.
  • this damping sector 120 fills up the region beneath the lighting head that is not delimited between the reflective slide and the light emission portion of the lower wall of the lighting head.
  • this damping sector 120 is provided with a curb 122, at least along its radial edges, which penetrates the lighting head 112 in order to block the passage of light between the lighting head and the damping sector.
  • the light source housed in a lighting head connected to the main body in the manner described and coupled to the reflective slide makes it possible to generate a considerably effective and high-quality beam of light.
  • the observer is not blinded in any case.
  • the particular mechanical structure of the apparatus makes it particularly robust and reliable, especially for use in external environments. For example, the complete absence of screws accessible from the lighting head prevents the risk of moisture forming in the head containing the light source.
  • Positioning the light source so that the relative protection plate faces the bottom makes it possible, in comparison with a front plate, to prevent the plate from getting dirty or damaged, which would thus compromise the quality of the lighting effect.
  • the lighting apparatus is formed by a smaller number of components assembled in a quick and simple manner.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
  • Liquid Crystal Substances (AREA)
  • Circuit Arrangement For Electric Light Sources In General (AREA)

Claims (13)

  1. Beleuchtungsvorrichtung, umfassend einen Hauptkörper (10; 100), der eine Seitenwand (4), die sich um eine longitudinale Körperachse (X) von einer Basis (2) erstreckt, die dazu geeignet ist, an dem Untergrund befestigt zu sein, und einen Beleuchtungskopf (12; 112) aufweist, der mit dem Hauptkörper verbunden ist, wobei:
    - der Hauptkörper (10; 110) einen oberen Abschnitt (16; 116) aufweist, der sich von der Seitenwand (4) erstreckt und der, wenigstens in einem peripheren Bereich, einen reflektierenden Schieber (18; 118) bildet, der dazu geeignet ist, das von dem Beleuchtungskopf (12; 112) erzeugte Licht zu reflektieren;
    - der Hauptkörper (10; 110) an der Oberseite mit einem Kopf-Stütz-Hals (20) abschließt, der sich höhenmäßig koaxial mit der longitudinalen Körperachse (X) erstreckt und der eine radiale Erstreckung aufweist, die kleiner ist als die radiale Erstreckung des Hauptkörpers (10;110) und des Beleuchtungskopfs (12; 112), wobei sich der reflektierende Schieber (18; 118) zwischen dem Kopf-Stütz-Hals (20) und dem oberen Rand der Seitenwand (4) erstreckt;
    - der Beleuchtungskopf (12; 112) eine Lichtquelle (14; 114) beherbergt, die dazu geeignet ist, einen Lichtstrahl nach unten, oberhalb des reflektierenden Schiebers (18; 118), zu projizieren;
    - der Beleuchtungskopf (12; 112) ausschließlich an dem Kopf-Stütz-Hals (20) mittels eines verborgenen Befestigungsmittels befestigt ist,
    wobei das Befestigungsmittel axial zwischen dem Stützhals (20) und einem inneren zentralen Abschnitt (22) des Beleuchtungskopfs (12; 112) wirkt,
    wobei die Vorrichtung dadurch gekennzeichnet ist, dass das Befestigungsmittel aus Befestigungsschrauben (24) besteht, die von dem Kopf-Stütz-Hals (20) gestützt sind und in entsprechende Gewindesitze (26) geschraubt sind, die in dem inneren zentralen Abschnitt des Beleuchtungskopfs gebildet sind, wobei die Befestigungsschrauben die entsprechenden Köpfe (24`) aufweisen, die von dem oberen Abschnitt (16) von innen zugänglich sind.
  2. Vorrichtung nach dem vorangehenden Anspruch, wobei der reflektierende Schieber (18; 118) eine Oberflächenrändelung oder -nut aufweist, die dazu geeignet ist, das von der Leuchtquelle (14; 114) erzeugte Licht zu streuen.
  3. Vorrichtung nach Anspruch 1 oder 2, wobei der reflektierende Schieber (18; 118) eine opake Farbe, vorzugsweise schwarz, aufweist.
  4. Vorrichtung nach einem der vorangehenden Ansprüche, wobei der Stützhals (20) eine Seitenwand (20') aufweist, die sich von dem radial inneren Rand des reflektierenden Schiebers (18; 118) höhenmäßig erstreckt und die in dem inneren zentralen Abschnitt (22) des Beleuchtungskopfs aufgenommen ist.
  5. Vorrichtung nach einem der vorangehenden Ansprüche, wobei der Beleuchtungskopf (12; 112) als eine im Wesentlichen flache und zu der longitudinalen Körperachse orthogonale untere Licht-Emissions-Wand gebildet ist, die sich erstreckt.
  6. Vorrichtung nach einem der vorangehenden Ansprüche, wobei der Hauptkörper (4) im Wesentlichen zylindrisch geformt ist und wobei der reflektierende Schieber (18) durch wenigstens einen Abschnitt einer kegelstumpfförmigen Seitenwand gebildet ist.
  7. Vorrichtung nach dem vorangehenden Anspruch, wobei der reflektierende Schieber (18) eine Oberflächenrändelung aufweist, die durch einen Wechsel von Rippen und Schrägen mit radialer Ausdehnung gebildet ist.
  8. Vorrichtung nach Anspruch 6 oder 7, wobei der reflektierende Schieber (18) durch eine kegelstumpfförmige Wand gebildet ist, die sich in einem Winkel von 360° um die longitudinale Körperachse erstreckt.
  9. Vorrichtung nach dem vorangehenden Anspruch, wobei die Lichtquelle in einem entsprechenden Quellensitz beherbergt ist, welcher eine Licht-Emissions-Öffnung bildet, die eine kreisförmige Kronenentwicklung aufweist, die sich um den inneren zentralen Abschnitt erstreckt, wobei die Licht-Emissions-Öffnung überlagert ist und, in der Draufsicht, mit der kegelstumpfförmigen Wand zusammenfällt.
  10. Vorrichtung nach Anspruch 6 oder 7, wobei der reflektierende Schieber (118) durch einen Abschnitt einer kegelstumpfförmigen Wand gebildet ist, die sich durch einen kreisförmigen Bereich um die longitudinale Körperachse erstreckt.
  11. Vorrichtung nach dem vorangehenden Anspruch, wobei die Lichtquelle in einem entsprechenden Quellensitz beherbergt ist, der eine lichtemittierende Öffnung bildet, die eine kreisförmige Kronenentwicklung aufweist, die sich teilweise um den inneren zentralen Abschnitt erstreckt, wobei die Licht-Emissions-Öffnung überlagert ist und, in der Draufsicht, mit dem Abschnitt einer kegelstumpfförmigen Wand zusammenfällt.
  12. Vorrichtung nach Anspruch 10 oder 11, wobei der obere Abschnitt einen Dämpfungsbereich (120) bildet, der sich unter einem Winkel zwischen den Enden des kegelstumpfförmigen Wandabschnitts und höhenmäßig von der Seitenwand zu dem Beleuchtungskopf erstreckt.
  13. Vorrichtung nach dem vorangehenden Anspruch, wobei der Dämpfungsbereich (120), wenigstens entlang seines radialen Rands, mit einer Einfassung (122) versehen ist, die in den Beleuchtungskopf (112) eindringt, um den Durchgang von Licht zwischen dem Beleuchtungskopf und dem Dämpfungsbereich zu blockieren.
EP20165579.2A 2019-04-04 2020-03-25 Beleuchtungsvorrichtung Active EP3719389B1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT102019000005098A IT201900005098A1 (it) 2019-04-04 2019-04-04 Apparecchio di illuminazione

Publications (2)

Publication Number Publication Date
EP3719389A1 EP3719389A1 (de) 2020-10-07
EP3719389B1 true EP3719389B1 (de) 2023-07-19

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EP20165579.2A Active EP3719389B1 (de) 2019-04-04 2020-03-25 Beleuchtungsvorrichtung

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EP (1) EP3719389B1 (de)
IT (1) IT201900005098A1 (de)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
USD938095S1 (en) * 2013-04-01 2021-12-07 Pathy Medical, Llc Lighting device

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102009048313A1 (de) * 2009-10-05 2011-04-07 Osram Gesellschaft mit beschränkter Haftung Leuchtvorrichtung und Verfahren zum Montieren einer Leuchtvorrichtung
EP2557360B1 (de) * 2010-04-09 2016-08-03 Amoluxe Co., Ltd Led-strassenleuchte
CN201934948U (zh) * 2010-11-22 2011-08-17 南通市通州区南洋灯泡有限公司 一种led灯
CN104728720B (zh) * 2015-03-12 2017-07-07 浙江晶日照明科技有限公司 一种led庭院灯
CN204665085U (zh) * 2015-06-09 2015-09-23 珠海金晟照明科技有限公司 路灯灯头

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EP3719389A1 (de) 2020-10-07

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