EP0699865B1 - Leuchte - Google Patents
Leuchte Download PDFInfo
- Publication number
- EP0699865B1 EP0699865B1 EP95109324A EP95109324A EP0699865B1 EP 0699865 B1 EP0699865 B1 EP 0699865B1 EP 95109324 A EP95109324 A EP 95109324A EP 95109324 A EP95109324 A EP 95109324A EP 0699865 B1 EP0699865 B1 EP 0699865B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- reflector
- insert
- luminaire according
- axis
- luminaire
- 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.)
- Expired - Lifetime
Links
- 239000003086 colorant Substances 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 230000005484 gravity Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
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
- F21V13/12—Combinations of only three kinds of elements
-
- 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
-
- 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
- F21V11/06—Screens not covered by groups F21V1/00, F21V3/00, F21V7/00 or F21V9/00 using crossed laminae or strips, e.g. grid-shaped louvers; using lattices or honeycombs
Definitions
- the invention relates to a lamp, such as a recessed ceiling lamp or the like, according to the generic term of claim 1.
- a lamp such as a recessed ceiling lamp or the like, according to the generic term of claim 1.
- Such a lamp is in the DE 36 33 440 A1 described.
- a similar lamp is Subject of DE 38 26 676 C2.
- the lamp according to DE 36 33 440 A1 a Recessed ceiling light, has the light exit surface forming lower main reflector.
- the light exit surface as well as the parallel cuts arranged with it are square or - as with the object DE 38 26 676 C2 - circular. In any case forms the reflector axis through the center of gravity of the Light exit surface normal.
- the inner reflector surface of the main reflector is - just like the inner one Reflector surface of a central reflector insert performing auxiliary reflector - conical in the broadest Senses, in particular parabolically curved.
- a light entry surface according to DE 36 33 440 A1 for a rod-shaped one arranged there adjacent Light source provided.
- the square light entry area including the rod-shaped light source are common from the convex reflector inner surface of a rotation elliptical specular reflector bridged.
- the recessed ceiling light known from DE 38 26 676 C2 has, as already mentioned, a circular one Main reflector with light exit surface, the one reflector insert in the form of a rotationally symmetrical Surrounds central body, which after outside towards the inner reflector surface of the main reflector directed, arranged at the same circumferential angle from each other, Slats carries.
- the object of the invention to create a luminaire, which with relatively simple means to adapt to different Lighting requirements, in particular in terms of luminance, allowed and which moreover - also with simple means - in Range of shielding angle both a homogeneous as also enables a specifically inhomogeneous luminance.
- the reflector insert a diffuse has scattering matt surface, at least of which the vast majority of surface area immediately illuminated by the illuminant and from all viewing angles within the lamp shield angle of the reflector from the inner surface of the reflector as a mirror image is played.
- the reflector insert has a completely diffuse, ie matt, surface. This surface is directly illuminated by the lamp.
- the reflector looks at the light exit opening, you can see the illuminated diffusely scattering mat in the front Surface of the reflector insert and behind it in the specular reflector the reflection of the back diffuse scattering matt surface of the reflector insert.
- the reflector insert is uniform is tinted, your viewer faces the light exit surface as a completely homogeneous image of the same luminance especially since the actual image visible at the front of the reflector insert and its through the inner surface of the reflector Reverse side reproduced as a mirror image connect seamlessly to each other.
- the invention enables the reflector insert with relatively easy to manufacture, namely with completely matt surfaces provided in this way a homogeneous light impression to achieve.
- the relatively complex mirrored Reflective surfaces are different from the known (DE 36 33 440 A1) according to the invention on the limits the reflector insert receiving reflector.
- Another advantage of the lamp according to the invention consists in the fact that a uniform basic type of a Reflector depending on the need determined by practice differently designed reflector inserts can be assigned.
- the invention Reflector therefore enables a wide range of applications.
- a preferred embodiment of the invention exists in that the reflector insert is at least one Plate element forms, which is in one by the Reflector axis extending plane is arranged.
- the Reflector insert several plate elements, their extension levels at the same center angles to cut.
- a simple embodiment according to the invention this type is one formed by two plate elements Cross, in which the plate elements meet each other penetrate in the reflector axis.
- the plate elements can be relatively thin-walled.
- Another embodiment of the invention features the fact that the reflector insert a Combination of at least one plate element with one rotationally or centrally symmetrical body, the central body, forms whose axis of symmetry with the reflector axis is identical.
- the Reflector insert has a uniformly tinted surface having.
- the reflector insert can be a have a non-uniform tinted surface.
- the invention also allows the reflector insert black and / or white and / or colored.
- tinted surface used both bright colors (e.g. blue, green, yellow and red) as also achromatic colors (black, white and their mixtures, the colors of the gray series). With a uniform tinted surface would be the reflector insert in total e.g. black, white, gray or blue.
- a diffusely scattering mat Surface should generally be added that herewith a surface that is capable of being understood is, all light falling on it is completely (dull) disperse. So it should be in such areas regardless of whether they are achromatic (white, black, gray) or colored (e.g. blue, green, yellow, red), always deal with areas that look like Lambertsche Surfaces that radiate in such a way that their Luminance according to Lainbert's law is the same in all directions (see e.g. p. 457 "ABC DER OPTIK” by Mütze, 1972 publisher Werner Dausien, Hanau / Main; P. 27 from "LIGHTING TECHNOLOGY: BASICS” by BAER et al., 1990 VEB Verlagtechnik, Berlin).
- each lamp is independent of their individual design with the reference number Designated 10.
- the lights 10 are recessed ceiling lights, their respective light exit surface 11 is flush with the ceiling level shown in dash-dotted lines E.
- Each lamp 10 has a reflector 12, the Cavity labeled H and its reflector inner surface 13 is mirrored or off high-gloss reflective material.
- the inner reflector surface 13 according to FIGS. 1 and 2 is curved along a parabola.
- the reflector 12 represents a rotationally symmetrical body.
- Im 1 and 2 is the axis of rotation at the same time the reflector axis y.
- the inner reflector surface 13 surrounds a reflector insert 14, which consists of two plate elements 15, which is forming in the reflector axis y same center angle z, in the present case on the right Angles, penetrate each other.
- End faces of the relatively thin-walled plate elements 15 are on the parabolic course of the reflector inner surface 13 adapted and close as possible close to this.
- the plate elements 15 of the reflector insert 14 have a diffusely scattering matt surface L. kind of a Lambertian surface.
- the reflector 12 At a parallel distance to the light exit surface 11 the reflector 12 also has a circular shape Light entry area 16.
- Illuminant 17 arranged, which in the illustrated Example consists of fluorescent lamps 19, which in a base 18 held on one side and contacted are.
- the inner surface 21 e.g. matt white or metallic can be executed matt gloss.
- the function of the lamp according to FIGS. 1 and 2 is the following:
- the parabolically shaped inner reflector surface 13 with the symbolized by a small circle Focal point F must be positioned so that no Point of the illuminant 17 above the angle a the light exit surface 11 is reflected.
- the angle a is larger than the lamp shield angle ⁇ , are reflected within the shielding angle ⁇ under all viewing angles only the completely diffusely reflecting surfaces L, in in no case the lamp 17.
- the lamp 10 according to FIGS. 3 and 4 differs yourself from the lamp according to FIGS. 1 and 2 practical only in that the reflector 12 with its inner reflector surface 13 is frustoconical in shape.
- the function of the lamp 10 according to FIGS. 3 and 4 is as follows:
- the angle of inclination 6 of the frustoconical reflector inner surface 13 must be selected so that the light from the most unfavorable lamp point F (here instead of a focal point) is not reflected at any angle ⁇ 1 .
- ⁇ 3> ⁇ 2> ⁇ 1 applies.
- each angle ⁇ > than the lamp shield angle ⁇ is reflected within the lamp shield angle ⁇ from all viewing angles only the completely diffusely reflecting reflector insert 14, so that practically the same lighting effect occurs overall as in connection with the lamp 10 1 and 2 has been described.
- the simplest form is one Shown reflector insert 14, the only one a relatively thin flat plate element 15.
- 6, 6a and 7 and 7a are several Plate elements 15 are provided, forming each other same center angle z in the reflector axis y penetrate.
- FIGS. 8-11 and 8a-11a show finally, how plate elements 15 with a rotating or centrally symmetrical body, the central body 22, can be combined.
- the axis of symmetry of the central body 22 is with the reflector axis y identical.
- each central body 22nd also forms a completely diffuse radiating mat Area L.
- the central body 22 according to Figures 8, 8a; 9, 9a and 10, 10a are hollow straight circular cylinders, while the straight hollow cylinder of FIGS. 11 and 11a the cross section an equilateral polygon, here one Hexagons.
- each central body 22 that is not mirrored by the reflector inner surface 13 special functions, possibly also the light transmission, to be reserved.
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
- Optical Elements Other Than Lenses (AREA)
Description
Claims (10)
- Leuchte, wie Deckeneinbauleuchte (10) od. dgl., mit einem sich zu ihrer Lichtaustrittsfläche (11) hin erweiternden, eine verspiegelte Reflektorinnenfläche (13) aufweisenden Reflektor (12), dessen durch seine Reflektorachse (y) gelegten radialen Querschnitte entweder Kreise oder gleichseitige Polygone darstellen, mit einem im Abstand von der Lichtaustrittsfläche (11) angeordneten Leuchtmittel (17) sowie mit einem im Bereich der Lichtaustrittsfläche (11) symmetrisch zur Reflektorinnenfläche (13) und zur Reflektorachse (y) angeordneten, sich in den Reflektorhohlraum (H) hinein in Richtung Leuchtmittel (17) erstreckenden, diametral gegenüberliegende Innenmantellinien der Reflektorinnenfläche (13) miteinander verbindenden Reflektoreinsatz (14), dadurch gekennzeichnet, daß der Reflektoreinsatz (14) eine diffus streuende matte Oberfläche (L) aufweist, von welcher zumindest der weitaus überwiegende Oberflächenanteil unmittelbar vom Leuchtmittel (17) beleuchtet und unter allen Betrachtungswinkeln innerhalb des Lampenabschirmwinkels (β) des Reflektors (12) von der Reflektorinnenfläche (13) als Spiegelbild wiedergegeben wird.
- Leuchte nach Anspruch 1, dadurch gekennzeichnet, daß der Reflektoreinsatz (14) mindestens ein Plattenelement (15) bildet, welches in einer sich durch die Reflektorachse (y) erstreckenden Ebene angeordnet ist.
- Leuchte nach Anspruch 1 oder nach Anspruch 2, dadurch gekennzeichnet, daß der Reflektoreinsatz (14) mehrere Plattenelemente (15) aufweist, deren Erstreckungsebenen sich unter denselben Zentriwinkeln (z) schneiden.
- Leuchte nach Anspruch 3, dadurch gekennzeichnet, daß die Plattenelemente (15) einander in der Reflektorachse (y) durchdringen.
- Leuchte nach einem der Ansprüche 1 bis 4, dadurch gekennzeichnet, daß der Reflektoreinsatz (14) eine Kombination mindestens eines Plattenelementes (15) mit einem dreh- oder zentralsymmetrischen Körper, dem Zentralkörper (22), bildet, dessen Symmetrieachse mit der Reflektorachse (y) identisch ist.
- Leuchte nach Anspruch 5, dadurch gekennzeichnet, daß der Zentralkörper (22) ein Zylinder, wie ein gerader hohler Kreiszylinder od. dgl., ist.
- Leuchte nach einem der Ansprüche 1 bis 6, dadurch gekennzeichnet, daß mehrere Plattenelemente (15) von der Außenmantelfläche (MA) des Zentralkörpers (22) ausgehen.
- Leuchte nach einem der Ansprüche 1 bis 7, dadurch gekennzeichnet, daß der Reflektoreinsatz (14) eine einheitlich getönte Oberfläche (L) aufweist.
- Leuchte nach einem der Ansprüche 1 bis 8, dadurch gekennzeichnet, daß der Reflektoreinsatz (14) eine uneinheitlich getönte Oberfläche (L) aufweist.
- Leuchte nach Anspruch 8 oder nach Anspruch 9, dadurch gekennzeichnet, daß die Oberfläche (L) des Reflektoreinsatzes (14) schwarz und/oder weiß und/oder farbig getönt ist.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE4431136A DE4431136A1 (de) | 1994-09-01 | 1994-09-01 | Leuchte, wie Deckeneinbauleuchte od. dgl. |
DE4431136 | 1994-09-01 |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0699865A1 EP0699865A1 (de) | 1996-03-06 |
EP0699865B1 true EP0699865B1 (de) | 1998-05-13 |
Family
ID=6527164
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP95109324A Expired - Lifetime EP0699865B1 (de) | 1994-09-01 | 1995-06-16 | Leuchte |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP0699865B1 (de) |
DE (2) | DE4431136A1 (de) |
ES (1) | ES2118476T3 (de) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19631483A1 (de) * | 1996-08-03 | 1998-02-05 | Thorn Licht Gmbh | Im Umriß rechteckige oder quadratische Deckeneinbauleuchte |
DE102005004868A1 (de) * | 2005-02-02 | 2006-08-03 | Engel, Hartmut S. | Einbauleuchte |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR801784A (fr) * | 1935-02-11 | 1936-08-17 | Perfectionnement aux dispositifs d'éclairage | |
GB2013323B (en) * | 1978-01-28 | 1982-05-06 | Plessey Co Ltd | Illumination apparatus |
DE3633440C2 (de) * | 1986-10-01 | 1995-10-05 | Bartenbach Christian | Reflektor und Abschirmungssystem für eine Leuchte mit linear ausgedehnter Lichtquelle |
DE3844892C2 (de) * | 1987-08-13 | 1996-07-25 | Wila Leuchten Gmbh | Reflektoranordnung und Abschirmung für eine Leuchte für Kompakt-Leuchtstofflampen |
-
1994
- 1994-09-01 DE DE4431136A patent/DE4431136A1/de not_active Withdrawn
-
1995
- 1995-06-16 EP EP95109324A patent/EP0699865B1/de not_active Expired - Lifetime
- 1995-06-16 DE DE59502157T patent/DE59502157D1/de not_active Expired - Fee Related
- 1995-06-16 ES ES95109324T patent/ES2118476T3/es not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
DE59502157D1 (de) | 1998-06-18 |
EP0699865A1 (de) | 1996-03-06 |
ES2118476T3 (es) | 1998-09-16 |
DE4431136A1 (de) | 1996-03-07 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
EP1891368B1 (de) | Leuchte mit hauptlichtquelle und zusatzlichtquelle | |
DE10023754B4 (de) | Fahrzeugleuchte mit Innenlinse | |
DE69935626T2 (de) | Kraftfahrzeuglampe | |
DE10145964A1 (de) | Fahrzeuglampe | |
DE4031302A1 (de) | Beleuchtungsanordnung | |
DE10144637A1 (de) | Fahrzeuglampe | |
DE69714546T2 (de) | Signalleuchte, insbesondere für Fahrzeuge, mit verbessertem Aussehen im ausgeschaltetem Zustand | |
EP3408584B1 (de) | Leuchte mit pyramidenförmiger oder kegelförmiger abdeckung | |
DE69310806T2 (de) | Leuchtender Druckknopf-Schalter mit kanalisiertem und gestreutem Lichtflux | |
EP0699865B1 (de) | Leuchte | |
DE19737550A1 (de) | Signalleuchte mit verbesserter Lampenabdeckung für Kraftfahrzeuge | |
DE69403404T2 (de) | Kfz-Signalleuchte | |
DE69910390T2 (de) | Beleuchtungseinrichtung für Kraftfahrzeuge mit einer stark diskontinuierlichen Reflektorfläche | |
DE6920060U (de) | Leuchte, insbesondere rueck-oder sicherungsleuchte | |
DE19632665A1 (de) | Reflektorleuchte mit einem mindestens eine rotationssymmetrische oder zylindrische Reflektorfläche aufweisenden Reflektor | |
DE602004010962T2 (de) | Signalleuchte für Fahrzeuge | |
DE4105547A1 (de) | Flache, beleuchtete warn- oder anzeigeeinrichtung | |
DE69616713T2 (de) | Kraftfahrzeugsignalleuchte mit tiefem Aussehen | |
EP3408587B1 (de) | Optisches system zum beeinflussen der lichtabgabe einer lichtquelle | |
DE3687685T2 (de) | Leuchten. | |
DE4324037B4 (de) | Signalleuchte, insbesondere für Kraftfahrzeuge | |
EP1344684B1 (de) | Innenleuchte für Fahrzeuge mit einer Streuscheibe | |
AT509563B1 (de) | Leuchte mit lichtausrichtungselementen | |
DE69503419T2 (de) | KFZ-Signalleuchte, deren Abdeckscheibe eine unterschiedliche Farbe aufweist als die des emittierten Lichtbündels | |
EP0787943B1 (de) | Reflektor mit einem mindestens eine rotationssymmetrische oder zylindrische Reflektorfläche aufweisenden Reflektor |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
|
17P | Request for examination filed |
Effective date: 19951128 |
|
AK | Designated contracting states |
Kind code of ref document: A1 Designated state(s): DE ES GB IT |
|
GRAG | Despatch of communication of intention to grant |
Free format text: ORIGINAL CODE: EPIDOS AGRA |
|
GRAG | Despatch of communication of intention to grant |
Free format text: ORIGINAL CODE: EPIDOS AGRA |
|
GRAH | Despatch of communication of intention to grant a patent |
Free format text: ORIGINAL CODE: EPIDOS IGRA |
|
17Q | First examination report despatched |
Effective date: 19971030 |
|
ITF | It: translation for a ep patent filed | ||
GRAH | Despatch of communication of intention to grant a patent |
Free format text: ORIGINAL CODE: EPIDOS IGRA |
|
GRAA | (expected) grant |
Free format text: ORIGINAL CODE: 0009210 |
|
AK | Designated contracting states |
Kind code of ref document: B1 Designated state(s): DE ES GB IT |
|
GBT | Gb: translation of ep patent filed (gb section 77(6)(a)/1977) |
Effective date: 19980513 |
|
REF | Corresponds to: |
Ref document number: 59502157 Country of ref document: DE Date of ref document: 19980618 |
|
REG | Reference to a national code |
Ref country code: ES Ref legal event code: FG2A Ref document number: 2118476 Country of ref document: ES Kind code of ref document: T3 |
|
PLBE | No opposition filed within time limit |
Free format text: ORIGINAL CODE: 0009261 |
|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: NO OPPOSITION FILED WITHIN TIME LIMIT |
|
26N | No opposition filed | ||
REG | Reference to a national code |
Ref country code: GB Ref legal event code: IF02 |
|
PGFP | Annual fee paid to national office [announced via postgrant information from national office to epo] |
Ref country code: ES Payment date: 20090617 Year of fee payment: 15 |
|
PGFP | Annual fee paid to national office [announced via postgrant information from national office to epo] |
Ref country code: IT Payment date: 20090528 Year of fee payment: 15 |
|
PGFP | Annual fee paid to national office [announced via postgrant information from national office to epo] |
Ref country code: GB Payment date: 20090602 Year of fee payment: 15 Ref country code: DE Payment date: 20090730 Year of fee payment: 15 |
|
GBPC | Gb: european patent ceased through non-payment of renewal fee |
Effective date: 20100616 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: IT Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20100616 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: DE Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20110101 |
|
REG | Reference to a national code |
Ref country code: ES Ref legal event code: FD2A Effective date: 20110715 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: GB Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20100616 Ref country code: ES Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20110705 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: ES Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20100617 |