EP0306603A2 - Armature lumineuse avec au moins un tube fluorescent - Google Patents

Armature lumineuse avec au moins un tube fluorescent Download PDF

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Publication number
EP0306603A2
EP0306603A2 EP88105381A EP88105381A EP0306603A2 EP 0306603 A2 EP0306603 A2 EP 0306603A2 EP 88105381 A EP88105381 A EP 88105381A EP 88105381 A EP88105381 A EP 88105381A EP 0306603 A2 EP0306603 A2 EP 0306603A2
Authority
EP
European Patent Office
Prior art keywords
lamp
cover plates
transverse
light
crossblades
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
EP88105381A
Other languages
German (de)
English (en)
Other versions
EP0306603A3 (en
EP0306603B1 (fr
Inventor
Manfred Grimm
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.)
Thorn Licht GmbH
Original Assignee
Thorn Licht GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=6335357&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP0306603(A2) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Thorn Licht GmbH filed Critical Thorn Licht GmbH
Priority to AT88105381T priority Critical patent/ATE83547T1/de
Publication of EP0306603A2 publication Critical patent/EP0306603A2/fr
Publication of EP0306603A3 publication Critical patent/EP0306603A3/de
Application granted granted Critical
Publication of EP0306603B1 publication Critical patent/EP0306603B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • 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
    • 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

Definitions

  • the invention relates to a lamp with at least one rod-shaped fluorescent lamp with the features according to the preamble of the main claim.
  • a grid-like design of the reflectors is intended, in particular, to create a lamp which is suspended above a workplace and is intended to illuminate the workplace with as little glare as possible.
  • the absence of glare is particularly important because there is often reflective material on the work table, such as foils or catalogs with glossy paper. These materials reflect light radiated directly from above, so that the user is dazzled.
  • Such Workplace lights are usually hung so that they are at a height of about 1.80 m and in the longitudinal direction above the work table, so that the person sitting there looks at the long side of the lamp.
  • the object of the invention is to be seen in further developing a luminaire of the aforementioned type such that the amount of light emitted can be varied from case to case, as required.
  • the direct light failure in the spaces between the transverse slats is prevented on the one hand by the lower cover plates, at the level of the reflectors themselves, and on the other hand by the upper cover plates arranged directly under the lamp.
  • the light from the lamp strikes the cross blades and is reflected from there is essentially determined by the width dimension and the overlap dimensions of the upper cover plates.
  • the lower cover plates can be designed so that they can reflect the light directly received by the lamp upwards, where it can exit through an opening between the two longitudinal reflectors and experience a further downward effective reflection on the ceiling .
  • the upper cover plates can be designed in the same way to reflect upwards.
  • the lamp as shown in FIGS. 1 and 2, has a rod-shaped fluorescent lamp 1, the light of which is emitted by reflectors arranged in a grid.
  • the lamp 1 is assigned a longitudinal reflector 2, which consists of two parabolic branches. These branches are connected in the transverse direction by numerous reflectors 3 or transverse lamellae, each of which consists of two legs which are also curved in a parabolic shape in a V arrangement.
  • a cover plate 4a which, as can be seen in FIG. 1, extends over the entire width of the lamp, that is to say over the entire longitudinal reflector, and in the longitudinal direction, but only a part of the space between two transverse slats 3 covers.
  • an upper cover plate 4a is provided, which also extends over the entire width and which covers the remaining space in the projection, overlaps being possible.
  • the cover plates 4a and 4b in each intermediate space prevents direct light emission. Rather, light is only emitted to its destination via the transverse slats 3 in the oblique direction shown at 5.
  • the cover plates are arranged in such a way that the light emerging from the bottom is emitted in the same direction, namely towards the center of the lamp.
  • the radiation in the other half of the lamp, not shown, can take place in the same direction or in the opposite direction.
  • the lower cover plates 4a are formed on the top as reflectors, they are also able to reflect light, as shown at 6 upwards. This light can emerge in an opening 2a between the two longitudinal reflectors 2 and is reflected on the ceiling, so that it also reaches the workplace in this way.
  • the upper cover plates (4b) can be designed to be reflective upwards.
  • the cover strips 14a of the transverse slats 13 are directed to the left, while in the other luminaire half the cover strips 14b are directed to the right in the transverse slats.
  • the lower cover strips 14a are in turn assigned upper cover strips 15a covering the spaces. In the middle free area, direct light emission is prevented by an appropriately wide top cover strip 15b.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
  • Securing Globes, Refractors, Reflectors Or The Like (AREA)
  • Optical Elements Other Than Lenses (AREA)
  • Vessels And Coating Films For Discharge Lamps (AREA)
EP88105381A 1987-09-05 1988-04-05 Armature lumineuse avec au moins un tube fluorescent Expired - Lifetime EP0306603B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT88105381T ATE83547T1 (de) 1987-09-05 1988-04-05 Leuchte mit mindestens einer stabfoermigen leuchtstofflampe.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19873729838 DE3729838A1 (de) 1987-09-05 1987-09-05 Leuchte mit mindestens einer stabfoermigen leuchtstofflampe
DE3729838 1987-09-05

Publications (3)

Publication Number Publication Date
EP0306603A2 true EP0306603A2 (fr) 1989-03-15
EP0306603A3 EP0306603A3 (en) 1989-11-23
EP0306603B1 EP0306603B1 (fr) 1992-12-16

Family

ID=6335357

Family Applications (1)

Application Number Title Priority Date Filing Date
EP88105381A Expired - Lifetime EP0306603B1 (fr) 1987-09-05 1988-04-05 Armature lumineuse avec au moins un tube fluorescent

Country Status (5)

Country Link
EP (1) EP0306603B1 (fr)
AT (1) ATE83547T1 (fr)
DE (1) DE3729838A1 (fr)
ES (1) ES2037757T3 (fr)
GR (1) GR3007386T3 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2005103558A1 (fr) * 2004-04-19 2005-11-03 Honeywell International Inc. Luminaires a distribution de lumiere en ailes de chauve-souris
CN103968265A (zh) * 2013-01-24 2014-08-06 野菜工房农业科技有限公司 照明装置

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH179876A (de) 1934-10-24 1935-09-30 Licht & Metall A G Beleuchtungskörper.

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1622846A1 (de) * 1967-03-29 1970-11-26 Elek Ska Ab Exaktor Asymmetrischer Beleuchtungsschirm
DE1809036A1 (de) * 1968-11-15 1970-06-04 Ernst Sulzer Blendschutzgehaeuse fuer Beleuchtungen
DE3412162C1 (de) * 1984-03-31 1985-08-29 Trilux-Lenze Gmbh + Co Kg, 5760 Arnsberg Langgestreckte Leuchte

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH179876A (de) 1934-10-24 1935-09-30 Licht & Metall A G Beleuchtungskörper.

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2005103558A1 (fr) * 2004-04-19 2005-11-03 Honeywell International Inc. Luminaires a distribution de lumiere en ailes de chauve-souris
CN103968265A (zh) * 2013-01-24 2014-08-06 野菜工房农业科技有限公司 照明装置

Also Published As

Publication number Publication date
GR3007386T3 (fr) 1993-07-30
ES2037757T3 (es) 1993-07-01
DE3729838A1 (de) 1989-03-23
EP0306603A3 (en) 1989-11-23
DE3729838C2 (fr) 1992-07-09
ATE83547T1 (de) 1993-01-15
EP0306603B1 (fr) 1992-12-16

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