EP0716262B1 - Leuchte für langgestreckte Leuchtmittel - Google Patents

Leuchte für langgestreckte Leuchtmittel Download PDF

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Publication number
EP0716262B1
EP0716262B1 EP95116878A EP95116878A EP0716262B1 EP 0716262 B1 EP0716262 B1 EP 0716262B1 EP 95116878 A EP95116878 A EP 95116878A EP 95116878 A EP95116878 A EP 95116878A EP 0716262 B1 EP0716262 B1 EP 0716262B1
Authority
EP
European Patent Office
Prior art keywords
lamp
housing
lighting means
accordance
grid
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.)
Revoked
Application number
EP95116878A
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German (de)
English (en)
French (fr)
Other versions
EP0716262A1 (de
Inventor
Hartmut S. Engel
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Individual
Original Assignee
Individual
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Filing date
Publication date
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First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=6535295&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP0716262(B1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Individual filed Critical Individual
Publication of EP0716262A1 publication Critical patent/EP0716262A1/de
Application granted granted Critical
Publication of EP0716262B1 publication Critical patent/EP0716262B1/de
Anticipated expiration legal-status Critical
Revoked legal-status Critical Current

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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
    • F21V13/00—Producing particular characteristics or distribution of the light emitted by means of a combination of elements specified in two or more of main groups F21V1/00 - F21V11/00
    • F21V13/02—Combinations of only two kinds of elements
    • F21V13/04—Combinations of only two kinds of elements the elements being reflectors and refractors
    • 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
    • F21V11/00—Screens not covered by groups F21V1/00, F21V3/00, F21V7/00 or F21V9/00
    • F21V11/02—Screens not covered by groups F21V1/00, F21V3/00, F21V7/00 or F21V9/00 using parallel laminae or strips, e.g. of Venetian-blind type
    • 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
    • F21V5/00—Refractors for light sources
    • F21V5/002—Refractors for light sources using microoptical elements for redirecting or diffusing light
    • 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
    • F21V7/0016—Reflectors for light sources providing for indirect lighting on lighting devices that also provide for direct lighting, e.g. by means of independent light sources, by splitting of the light beam, by switching between both lighting modes
    • 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
    • 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
    • F21Y2113/00—Combination of light sources

Definitions

  • the invention relates to a lamp for elongated lamps, such as e.g. Fluorescent lamps, with at least one curved reflector, in the strongest area of curvature positions the elongated lamp is, and with a bulb holder and the bulb associated dimming unit, which consists of several grid areas translucent material, which is arranged on both sides of the lamp are.
  • elongated lamps such as e.g. Fluorescent lamps
  • a bulb holder and the bulb associated dimming unit which consists of several grid areas translucent material, which is arranged on both sides of the lamp are.
  • a lamp of this type is known from DE 41 25 545 A1.
  • the fluorescent lamp over its length within a a four-sided closed cross-section lamp channel arranged, the top of this lamp channel by a Reflector area and the underside of the lamp channel by an auxiliary reflector are formed, while the side walls of the lamp channel Prismatic plates made of transparent material, which on the one hand in Run longitudinally and secondly in the transverse direction of the lamp channel.
  • a comparable luminaire is also known from EP 0 538 727 A1.
  • This lamp is a semi-cylindrical as anti-glare unit or anti-glare protection trained perforated plate provided that the outside of Illuminant located in the opening plane of the housing.
  • the interior and / or outside of the perforated plate is with a translucent Foil covered, perforated sheet and foil together a replacement for should form opaque or milky half-shells.
  • the object of the invention is to provide a lamp of the type specified To be designed so that the use of a flat, i.e. a low-depth housing allows and with switching off annoying glare effects optimal use of light with as much as possible uniform luminance over the entire opening area of the lamp is obtained.
  • this object is essentially achieved by that the curved reflector, the bulb holder and the dimming unit are held in a flat trough-shaped housing the reflector over the entire base of the housing and up to two opposite edges in the opening plane of the housing extends that the grid areas of the dimming unit from each other spaced, parallel to each other and parallel to the illuminant Grid areas exist that are at least partially over the Extend opening area of the housing to the outside and through at least a crossbar also made of translucent material are interconnected.
  • the grid provided on the grid areas is preferred made by extrusion, being different Cross-sectional structures of the ribs and depressions formed can be realized.
  • Screenings made with continuous ribs can be made by a further processing step, in particular by a further pressing step are modified such that individual elements, for example in the form of individual pyramids if such a grid structure is required becomes.
  • the grid areas are preferably arranged parallel to one another and with each other through light-conducting crossbars connected so that compact units arise in which the number of parallel grid areas depending of which is chosen, which luminance in adaptation the reflector luminance on the outside grid surfaces is required.
  • the grid surfaces are made of plastic or glass on its side facing the illuminant smooth and open their side facing away from the lamp preferably corrugated trained, because of this prismatic very little loss of light while avoiding glare and thus by arranging several such grid areas a very targeted and defined luminance adjustment is made possible.
  • the individual reflector surfaces are asymmetrically curved are such that the area is the strongest Curvature is where the lamp is placed is, so that the illuminant in the focal area or immediately adjacent to the respective focus area is located.
  • This creates in connection with the respective Dimming units also have the option of using the Reflector to achieve a good yield of indirect light and on the other hand to use a predeterminable proportion of direct light.
  • Figure 1 shows a formed in the form of a flat trough Rectangular housing 1 with a housing base 2 and side walls 3, which can be attached to a ceiling, preferably but built into a ceiling, especially grid ceiling or integrated.
  • the opening cross section of the housing 1 is with the reference number 4 marked, and in the interior 15 of the housing 1st are both reflectors 5, 6 and illuminant 8 with associated dimming unit 14, where the dimming unit 14 at least partially over the opening area 4 of the housing extends.
  • the two reflectors 5, 6 extend over the entire Housing cross section and are arranged symmetrically, so that by the two reflectors 5, 6 a kind of wing structure arises.
  • the Reflectors 5, 6 mounted flush and have only one slight curvature. The curvature takes on the center of the case 1 towards, with the reflectors 5, 6 adjacent to the center preferably rest on the housing base 2 and then with more pronounced curvature towards the center where they are meet in a connecting edge 7 that in the upper Half of the interior 15 of the housing 1 is located.
  • a dimming unit 14 is arranged adjacent, that of several grid surfaces made of glass or plastic 9 is formed. These grid areas 9 are about Crosspieces 10 held together from the same material and extend perpendicular to the housing base 2 approximately from the Center of the interior 15 of the housing 1 to the outside. The grid areas 9 run parallel to each other and have Formation of a tiered structure of different lengths. In this way, different angles can also be viewed Achieve dimming effects, with regard to to the desired uniform luminance over the whole Cross section 4.
  • Luminous 8 grid areas In the free space between the two on the side of the Luminous 8 grid areas is an open Grid 11 attached, so that again with the exclusion of Glare effects in this central area direct radiation is achieved while optimal light irradiation on the reflector side is achieved on the reflectors 5 and 6.
  • the open grid 11 can be a square, rectangular or round grid act, preferably from translucent Material, especially plastic material, made is.
  • the dimming unit 14 is at the same time a carrier for the open grid 11 used, being between these two Units a sliding guide, snap-snap connections or another clamp connection can be provided.
  • FIG. 2 shows a center symmetrical one Luminaire with two separately arranged Illuminants 8 in a common housing 1. It is on it to point out that it is within the scope of the invention another Embodiment corresponds if only in a housing 1 a single such reflector unit is provided because then there is an arrangement in which the median plane of the 2 are replaced by a side wall 3 would.
  • the two are again asymmetrically designed reflectors 5, 6 center to pulled to the opening surface 4 of the housing 1 to the front is called the connecting edge 7 is approximately in the region of the opening cross section the lamp.
  • the lamps 8 are approximately in the focal areas of the Reflectors located, and the respective dimming unit is designed and positioned so that in turn the desired direct and indirect light radiation results and achieve a balanced luminance distribution becomes.
  • the grid surfaces 9 made of glass or plastic run approximately at an angle of 45 ° to the bottom surface 2 of the Housing and extend only slightly over the opening area 4 beyond.
  • the parallel grid areas 9 are connected to one another by crosspieces 10, and the shortest grid area 9 located towards the center of the housing is another perpendicular grid area molded on, which is close to the respective reflector 5, 6 extends, but with respect to the respective reflector leaves a gap. Through this dimming unit direct visual contact with the respective lamp 8 is excluded and ensured that over the entire luminaire area a very uniform luminance is achieved.
  • Figure 3 shows the light distribution curve in a schematic manner a lamp arrangement according to Figure 2.
  • the on this Realized light distribution is particularly suitable for those cases where the middle of each room should preferably be illuminated and little in the wall area Light is desired, such as in rooms with Glass facades is the case.
  • Figure 4 shows a light distribution curve with the base unit the double arrangement shown in Figure 2 achievable is.
  • Figure 5 shows a light distribution curve of an inventive Double lamp that is suitable for a larger one Area to cover a higher light requirement.
  • two such lights with a mutual distance It is arranged in mirror symmetry to the center of the room possible the relative area of the ceiling of the room relative leave dark and calm while in the middle of the room a required higher light requirement can be met, while at the same time the room walls due to the existing Radiation characteristics can remain relatively dark.
  • FIG. 6 shows the interaction two lights with the light distribution curve shown in Figure 4. In this case it is possible to remove the walls to illuminate the room brightly, such as for Representative rooms is desired.
  • Figure 6 shown interaction of the lights of the invention but above all it is possible to have a practically reflection-free Center in the room to create what the placement of screens facilitated and good working conditions under lighting technology Creates aspects.
  • Luminaires and especially by combining similar ones or even different embodiments that are in practice existing lighting tasks can be optimally solved, because depending on the existing requirement, both uniform Room lighting as well as differentiated room lighting can be realized and always the respective Light requirements can be taken into account.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
  • Circuit Arrangement For Electric Light Sources In General (AREA)
  • Vessels And Coating Films For Discharge Lamps (AREA)
EP95116878A 1994-12-08 1995-10-26 Leuchte für langgestreckte Leuchtmittel Revoked EP0716262B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4443741A DE4443741A1 (de) 1994-12-08 1994-12-08 Leuchte
DE4443741 1994-12-08

Publications (2)

Publication Number Publication Date
EP0716262A1 EP0716262A1 (de) 1996-06-12
EP0716262B1 true EP0716262B1 (de) 2001-01-17

Family

ID=6535295

Family Applications (1)

Application Number Title Priority Date Filing Date
EP95116878A Revoked EP0716262B1 (de) 1994-12-08 1995-10-26 Leuchte für langgestreckte Leuchtmittel

Country Status (7)

Country Link
US (1) US5685633A (es)
EP (1) EP0716262B1 (es)
AT (1) ATE198786T1 (es)
CA (1) CA2150447A1 (es)
DE (2) DE4443741A1 (es)
DK (1) DK0716262T3 (es)
ES (1) ES2153451T3 (es)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10006410A1 (de) * 2000-02-14 2001-08-16 Zumtobel Staff Gmbh Leuchte
DE19615170A1 (de) * 1996-04-17 1997-10-23 Hartmut S Engel Reflektorleuchte
DE29613948U1 (de) * 1996-08-12 1997-12-11 Zumtobel Licht Gmbh, Dornbirn Leuchte mit mindestens einer Lampe, einem Reflektor und einem Rasterreflektor
US6582103B1 (en) 1996-12-12 2003-06-24 Teledyne Lighting And Display Products, Inc. Lighting apparatus
ES2156537B1 (es) * 1999-02-10 2002-03-16 Berlanga Eulalia Roca Luminaria perfeccionada.
US6402345B1 (en) 2001-07-17 2002-06-11 Genlyte Thomas Group Llc Louver assembly with translucent louver baffles
KR20030017090A (ko) * 2001-08-23 2003-03-03 강성지 가로등
US6789914B1 (en) 2003-05-29 2004-09-14 Hubbell Incorporated Luminaire providing direct and indirect lighting
DE10353644A1 (de) * 2003-07-10 2005-02-17 Siteco Beleuchtungstechnik Gmbh Leuchte mit einem Entblendungskörper
USD515231S1 (en) 2004-01-14 2006-02-14 Hubbell Incorporated Lighting fixture
ES2237349B1 (es) * 2005-04-08 2006-11-01 Vanlux, S.A. Luminaria de pared.
US8002446B1 (en) 2008-06-09 2011-08-23 Koninklijke Philips Electronics N.V. Virtual direct and indirect suspended lighting fixture
CA2727004A1 (en) * 2008-06-12 2009-12-17 Bechtold Fleming Designs, Llc Patio heater side heat director
USD678597S1 (en) * 2010-11-08 2013-03-19 Cooper Technologies Company Troffer with lens
US9512977B2 (en) * 2012-01-26 2016-12-06 Cree, Inc. Reduced contrast LED lighting system
DE202014100846U1 (de) * 2014-02-25 2014-03-27 LDV Laser- und Lichtsysteme GmbH Leuchteinrichtung für die großflächige Oberflächeninspektion von Bauteilen

Family Cites Families (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1953004A (en) * 1932-01-28 1934-03-27 Muller Carl Ferdinand Otto Antidazzle lamp
GB477560A (en) * 1936-07-17 1938-01-03 Revo Electric Co Ltd Improvements in or relating to electric lighting units
US2143148A (en) * 1937-01-26 1939-01-10 Edwin F Guth Light shield
GB531868A (en) * 1939-08-04 1941-01-13 Thomas Willett Rolph Improvements in and relating to luminairs
DE1675853U (de) * 1951-04-23 1954-05-06 Wilhelm Lenze K G Wabengitterartiges lichtraster und traeger hierfuer.
FR1060308A (fr) * 1952-07-16 1954-04-01 Perfectionnements apportés aux réflecteurs proprement dits, particulièrement pour lampes tubulaires à fluorescence ou à arcs analogues
US3152277A (en) * 1961-07-28 1964-10-06 Gen Electric Fluorescent panel lamp louver
US3179797A (en) * 1962-01-02 1965-04-20 Holophane Co Inc Device for controlling glare in luminaire
NL158911B (nl) * 1970-12-17 1978-12-15 Philips Nv Wegverlichtingsarmatuur voor een u-vormige gasontladingslamp.
US4006355A (en) * 1974-11-26 1977-02-01 Sylvan R. Shemitz And Associates, Inc. Luminaire
DE7808786U1 (de) * 1977-03-29 1978-07-13 Zumtobel Ag, Dornbirn (Oesterreich) Abdeckung aus lichtdurchlaessigem material fuer leuchtstofflampen
DE8513863U1 (de) * 1985-05-10 1990-11-08 Dr.-Ing. Willing GmbH, 8604 Scheßlitz Einzelarbeitsplatzleuchte
DE8519706U1 (de) * 1985-07-08 1985-10-17 Hartmann & Unger GmbH, 4619 Bergkamen Gegenstrahlerleuchte mit Leuchtstofflampe
DE8535692U1 (de) * 1985-12-19 1986-03-13 Fa. Ing. Friedhelm Hirt, 5880 Lüdenscheid Breitstrahlleuchte
DE3600915A1 (de) * 1986-01-15 1987-07-16 Metro Sb Handels Ag Baar Lichtkanaldecke
DE8603794U1 (de) * 1986-02-13 1986-03-27 Korsch, Alfred, 47918 Tönisvorst Leuchtvorrichtung
DE3711366A1 (de) * 1987-04-04 1988-10-27 Pohlschroeder & Co Kg Rasterleuchte fuer arbeitsplaetze
DE3838769A1 (de) * 1988-11-16 1990-05-17 Trilux Lenze Gmbh & Co Kg Indirekt abstrahlende leuchte
DE4125545A1 (de) * 1990-08-16 1992-02-20 Siemens Ag Indirekte spiegelleuchte
JPH04242002A (ja) * 1991-01-17 1992-08-28 Jiro Sugimoto 照明器付属装置および照明装置
DE9109267U1 (de) * 1991-07-26 1991-10-31 Siemens AG, 8000 München Indirekte Spiegelleuchte
EP0538727B1 (de) * 1991-10-24 1995-05-31 ZUMTOBEL LICHT GmbH Reflektor für eine Leuchte
DE4219742A1 (de) * 1992-06-17 1993-12-23 Zumtobel Licht Wannenleuchte mit Reflektorkorb
DE9214199U1 (de) * 1992-10-21 1993-11-25 Zumtobel Licht Ges.M.B.H., Dornbirn Leuchte mit langgestrecktem Leuchtmittel und Reflektoren

Also Published As

Publication number Publication date
EP0716262A1 (de) 1996-06-12
US5685633A (en) 1997-11-11
DE4443741A1 (de) 1996-06-13
CA2150447A1 (en) 1996-06-09
DK0716262T3 (da) 2001-02-05
DE59508976D1 (de) 2001-02-22
ATE198786T1 (de) 2001-02-15
ES2153451T3 (es) 2001-03-01

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