EP0606543B1 - Blendschutzeinrichtung - Google Patents
Blendschutzeinrichtung Download PDFInfo
- Publication number
- EP0606543B1 EP0606543B1 EP93117227A EP93117227A EP0606543B1 EP 0606543 B1 EP0606543 B1 EP 0606543B1 EP 93117227 A EP93117227 A EP 93117227A EP 93117227 A EP93117227 A EP 93117227A EP 0606543 B1 EP0606543 B1 EP 0606543B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- light
- glare
- deflecting
- slats
- slat
- 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
- 230000004313 glare Effects 0.000 title description 8
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 3
- 229910052782 aluminium Inorganic materials 0.000 claims description 3
- 239000004411 aluminium Substances 0.000 claims 1
- 238000009792 diffusion process Methods 0.000 claims 1
- 230000009286 beneficial effect Effects 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000004080 punching Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000002349 favourable effect Effects 0.000 description 2
- 241000446313 Lamella Species 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 238000002310 reflectometry Methods 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
- E06B9/00—Screening or protective devices for wall or similar openings, with or without operating or securing mechanisms; Closures of similar construction
- E06B9/24—Screens or other constructions affording protection against light, especially against sunshine; Similar screens for privacy or appearance; Slat blinds
- E06B9/26—Lamellar or like blinds, e.g. venetian blinds
- E06B9/38—Other details
- E06B9/386—Details of lamellae
Definitions
- the invention relates to a glare protection device with several at a distance elongated light deflection slats arranged one above the other, on their Mirrored tops and preferably curved concave upwards in cross section are.
- the especially in the workplace especially when using screens annoying high window luminance or the resulting glare generally originate on the one hand from the high sky luminance, which also hidden sun, and reflections of sky radiation, which of course also includes direct sunlight on other buildings or on, for example, snow-covered ground.
- the high sky luminance which also hidden sun, and reflections of sky radiation, which of course also includes direct sunlight on other buildings or on, for example, snow-covered ground.
- that's up in practice light hitting a window opening is generally diffuse (i.e. it hits everyone possible directions), clearly from certain directions (e.g. the Sun or that of a white wall) higher luminance can be expected are than from others.
- Good anti-glare devices are characterized by the fact that on the one hand below a critical angle, generally the horizontal (in special applications other limit angles are possible), only a little light can enter the room and thus prevent glare at work, for example (dimming conditions), on the other hand, as much as possible let through as much light as possible in order to be without get along with artificial lighting.
- This can be done, for example, by a Anti-glare device in the form of an openable slatted blind with the top achieve mirrored and concave upward-deflecting light deflection slats, as they do is known from EP-A2-0303107.
- the object of the invention is to provide an improved anti-glare device at the beginning to create the above-mentioned genus, provided that the stopping down conditions are met certain areas of the room bring a large amount of light into the room and which on the other hand has a certain view from the room through the anti-glare device allowed outside through.
- the perforated design of the deflection slats allows a certain degree of transparency and thus enables an at least vague look through from the room Outside. At the same time, however, the desired dimming effect remains Anti-glare device received.
- the undersides of the light deflection slats are matt coated or painted to prevent glare from reflecting on the undersides Rays of light coming down at an angle below the horizontal h Avoid entering space.
- Perforated blackout slats are from EP-A-0 483,994. However, these do not work as anti-glare devices mirrored tops and matt undersides.
- the Light deflecting slats only on one extending in the longitudinal direction of the slats Stripes that take up only part of the slat width are perforated while the remaining part of the slat width is a continuous closed surface having.
- the closed, mirrored surface enables an almost complete Reflection of the light rays hitting them, during the perforated Areas naturally swallow some light. Through the you can only partially perforate the slats the closed surfaces are highly efficient and nevertheless a certain one about the perforated areas Achieve transparency.
- Anti-glare device shown schematically 2 is a schematic illustration of a Embodiment of the anti-glare device according to the invention
- 3 shows a schematic cross section by four light deflection slats of a further exemplary embodiment
- 4 shows an embodiment a light deflection slat according to the invention in perspective Representation
- Fig. 5 is a cross section by two light deflection slats of a further embodiment.
- Fig. 1 is arranged in a partial area of the room 1 Workplace 2 shown. Over one as a window 3 trained light entry opening gets light from outside into room 1. The inside of window 3 arranged anti-glare device 4 prevents the luminance of the Window is too high and thus causes glare. The anti-glare device 4 steers when shown Example of incident light in an essentially lying above the horizontal limit ray h Angular range around. A typical light beam path is denoted by 1.
- the anti-glare device from a schematically shown in Fig. 2 pull-up venetian blind 4, whose Light deflection slats 5 mirrored on their tops are and preferably concave over their entire length can be arched upwards. Also lies to achieve a redirection of light into the upper half space the inner longitudinal edge 5a facing the space 1 is advantageous same height (see Fig. 5) or higher (see Fig. 3 and 4) as the outer longitudinal edge 5b. Is not anti-glare necessary, the blind can be designated as 4 'in FIG. 2 Position to be pulled up.
- Fig. 3 are four superimposed light deflection slats an anti-glare device according to the invention shown.
- Anti-glare device more than four superimposed Light deflecting slats, generally via the have full window height.
- the light deflection slats 5 can or the like via pull cords, not shown. be pulled up like a slatted blind.
- the tops of the light deflection slats 5 are mirrored and in the preferred embodiment a high-gloss aluminum surface made of aluminum existing light deflection slats 5 formed.
- a high-gloss aluminum surface made of aluminum existing light deflection slats 5 formed.
- the light deflection slats have a reflectance of more than 85% with a diffuse content of less than Have 20%.
- the sheen of the mirrored Tops of the light deflecting louvers on one Beam angle of 60 ° is more than 80%.
- the undersides of the light deflection slats are matt coated or painted to glare through on the undersides reflected rays of light falling under a Angle below the horizontal h down into the room to avoid. It is beneficial if the Degree of reflection of the diffusely reflecting undersides the light deflection slats is between 30 and 50%. Such a design of the sub-pages also has an effect favorable to the partial transparency perceivable by the viewer the anti-glare device from the inside out outside, which is described in more detail below will be. Obtain the above reflectance information on the surface areas between or outside of the holes.
- the Lichtumlenklamellen 5 in itself in the longitudinal direction of the slats extending strips of width b perforated through a perforation, such as this 4, which is only a part of the Represents slat length.
- the perforated strip extends lengthways over the entire light deflection slat and in width from approximately the lowest point A to essentially up to the inner longitudinal edge 5a, which is higher than the outer Longitudinal edge 5b and in the embodiment shown in at about the lowest point of the one above Light deflection slat lies.
- the outside of the slats have a continuous mirrored surface in area a and allow thus a high efficiency of the anti-glare device. From manufacturing and optical For reasons, it may be beneficial if the on the inside Longitudinal edge 5a of the light deflecting lamella 5 adjacent area c to a width of preferably a few millimeters a continuous, not perforated surface having.
- the punching can be advantageous from a regular one Pattern of circular holes through the top view
- Light deflection slats can be formed, as shown in FIG. 4 is shown.
- the holes 6 can be advantageous Arranged rows of holes running in the longitudinal direction of the slats be offset from each other and thus perforation should be as uniform as possible. Manufacturing technology can the holes 6 for example be formed by punching or drilling.
- the hole size and the proportion of holes significantly the transparency through the anti-glare device.
- a higher percentage of holes for example Transparency from the inside out through the anti-glare device be increased through. Indeed this also reduces the overall efficiency amount of light brought into the room.
- the percentage of holes is the ratio of the total surface of the holes 6 in plan view to that between the holes lying surface of the strip of width b defined. In terms of production technology and optics, it is favorable if the maximum hole diameter is less than 2 mm, preferably less than 1 mm.
- Fig. 5 two light deflection slats 5 of an embodiment are shown schematically in cross section.
- the slat width in the present case is 80 mm and the slat distance 11 mm.
- the outer longitudinal edge 5b is the same height as the inner (room-side) longitudinal edge 5a.
- the direct light beam l 1 entering deepest below the horizontal without reflection includes only a small negative critical angle ⁇ with the horizontal X.
- the light deflection slats 5 are parts of ellipses of the focal points F 1 , F 2 on the longitudinal edges 5a, b of the light deflection slat lying above them.
- the light deflecting slats can be in a non-pivoting fixed position, which they are lowered Take the slatted blind automatically.
- a swiveling one Suspension of the light deflection slats is however also conceivable and possible.
- the invention is of course not limited to that shown Embodiments limited.
- the perforated area can spread over a larger area Range of slat widths than this in Fig. 4 is shown.
- the Punching also need not be shown in FIG. 4 Pattern.
- the holes don't need either necessarily to be circular. Rather you can for example square holes in plan view be provided to the light deflection slats perforate.
Landscapes
- Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Blinds (AREA)
Description
Claims (16)
- Blendschutzeinrichtung mit mehreren mit Abstand voneinander übereinander angeordneten, länglichen Lichtumlenklamellen (5), die auf ihren Oberseiten verspiegelt und im Querschnitt vorzugsweise konkav nach oben gewölbt sind, dadurch gekennzeichnet, daß die Lichtumlenklamellen (5) zumindest bereichsweise (b) durch eine Lochung perforiert sind, und daß die Unterseiten der Lichtumlenklamellen (5) diffus reflektierend matt beschichtet oder matt lackiert sind.
- Blendschutzeinrichtung nach Anspruch 1, dadurch gekennzeichnet, daß die Lichtumlenklamellen (5) nur auf einem sich in Lamellenlängsrichtung erstreckenden Streifen, der lediglich einen Teil (b) der Lamellenbreite einnimmt, perforiert sind, während der restliche Teil (a, c) der Lamellenbreite eine durchgehende geschlossene Oberfläche aufweist.
- Blendschutzeinrichtung nach Anspruch 1 oder 2, dadurch gekennzeichnet, daß die einem Raum (1) zugewandte, obere innere Längskante (5a) jeder Lichtumlenklamelle (5) in Betriebsstellung höher als die dem Raum (1) abgewandte, dazu parallele, obere äußere Längskante (5b) liegt.
- Blendschutzeinrichtung nach Anspruch 2 und Anspruch 3, dadurch gekennzeichnet, daß sich der perforierte Streifen der Länge nach über die gesamte Lichtumlenklamelle (5) und der Breite im Bereich (b) nach vom in Betriebsstellung etwa tiefsten Bereich (A) bis im wesentlichen hinauf zur inneren Längskante (5a) erstreckt.
- Blendschutzeinrichtung nach einem der Ansprüche 1 bis 4, dadurch gekennzeichnet, daß der an die innere Längskante (5a) der Lichtumlenklamelle (5) angrenzende Bereich auf eine Breite (c) von vorzugsweise einigen Millimetern eine durchgehende, nicht perforierte Oberfläche aufweist.
- Blendschutzeinrichtung nach einem der Ansprüche 1 bis 5, dadurch gekennzeichnet, daß die Lochung von einem vorzugsweise regelmäßigen Muster von in Draufsicht kreisrunden Löchern (6) durch die Lichtumlenklamellen (5) gebildet ist.
- Blendschutzeinrichtung nach Anspruch 6, dadurch gekennzeichnet, daß die Löcher (6) in Lamellenlängsrichtung verlaufenden Lochreihen angeordnet sind.
- Blendschutzeinrichtung nach einem der Ansprüche 1 bis 7, dadurch gekennzeichnet, daß der maximale Lochdurchmesser der die Lochung bildenden Löcher (6) weniger als 2 mm, vorzugsweise weniger als 1 mm, beträgt.
- Blendschutzeinrichtung nach einem der Ansprüche 1 bis 8, dadurch gekennzeichnet, daß der Lochanteil der perforierten Bereiche (b) der Lichtumlenklamellen (5) zwischen 10% und 30%, vorzugsweise zwischen 15% und 20%, liegt.
- Blendschutzeinrichtung nach einem der Ansprüche 1 bis 9, dadurch gekennzeichnet, daß die verspiegelten Oberseiten der Lichtumlenklamellen (5) in an sich bekannter Weise durch eine hochglänzende Metalloberfläche, vorzugsweise Aluminiumoberfläche gebildet sind.
- Blendschutzeinrichtung nach einem der Ansprüche 1 bis 10, dadurch gekennzeichnet, daß die verspiegelten Oberseiten der Lichtumlenklamellen (5) einen Reflexionsgrad von mehr als 85% bei einem Diffusanteil von weniger als 20% aufweisen.
- Blendschutzeinrichtung nach einem der Ansprüche 1 bis 11, dadurch gekennzeichnet, daß der Glanz der verspiegelten Oberseiten der Lichtumlenklamellen (5) bei einem Einstrahlungswinkel von 60° mehr als 80% beträgt.
- Blendschutzeinrichtung nach einem der Ansprüche 1 bis 12, dadurch gekennzeichnet, daß der Reflexionsgrad der diffus reflektierenden Unterseiten der Lichtumlenklamellen (5) zwischen 30% und 50% liegt.
- Blendschutzeinrichtung nach einem der Ansprüche 1 bis 13, dadurch gekennzeichnet, daß die Lichtumlenklamellen (5) - wie an sich bekannt - in einer unverschwenkbaren, fixen Lage aufgehängt sind, die sie bei herabgelassener Lamellenjalousie (4) einnehmen.
- Blendschutzeinrichtung nach einem der Ansprüche 1 bis 14, dadurch gekennzeichnet, daß zumindest ein Teil der Lichtumlenklamellen (5) - im Querschnitt gesehen - im wesentlichen elliptisch profiliert ist, wobei ein Brennpunkt (F1) des Ellipsenteiles jeweils im Bereich der äußeren Längskante (5b) der darüberliegenden Lichtumlenklamelle, vorzugsweise auf dieser Längskante (5b) liegt und der zweite Brennpunkt (F2) im Bereich der inneren Längskante (5a) der darüber liegenden Lichtumlenklamelle liegt.
- Blendschutzeinrichtung nach einem der Ansprüche 1 bis 15, dadurch gekennzeichnet, daß sich jede Lichtumlenklamelle (5) zum Innenraum (1) hin erstreckt, wobei eine die innere obere Längskante (5a) einer Lichtumlenklamelle (5) enthaltende Horizontalebene gerade eine Tangentialebene an die Unterseite der darüberliegenden Lamelle (5) bildet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE9321334U DE9321334U1 (de) | 1993-01-15 | 1993-10-25 | Blendschutzeinrichtung |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| AT5393 | 1993-01-15 | ||
| AT53/93 | 1993-01-15 | ||
| AT0005393A AT399369B (de) | 1993-01-15 | 1993-01-15 | Blendschutzeinrichtung |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP0606543A1 EP0606543A1 (de) | 1994-07-20 |
| EP0606543B1 true EP0606543B1 (de) | 1999-08-04 |
Family
ID=3480286
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP93117227A Expired - Lifetime EP0606543B1 (de) | 1993-01-15 | 1993-10-25 | Blendschutzeinrichtung |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US5388000A (de) |
| EP (1) | EP0606543B1 (de) |
| AT (2) | AT399369B (de) |
| DE (1) | DE59309720D1 (de) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102007054015A1 (de) | 2007-11-13 | 2009-05-14 | Christian Bartenbach | Blendschutzvorrichtung |
Families Citing this family (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4442870C2 (de) * | 1994-09-17 | 2003-10-16 | Helmut Koester | Lamelle zur präzisen Steuerung der direkten Sonneneinstrahlung |
| DE19503293A1 (de) * | 1995-02-02 | 1996-08-08 | Spl Solar Patent Lizenz Holdin | Gekantete Jalousielamelle |
| DE19537190B4 (de) * | 1995-10-06 | 2004-03-25 | Warema Renkhoff Gmbh | Vertikaljalousielamelle |
| DK0799654T3 (da) * | 1996-04-02 | 2002-02-18 | Alusuisse Tech & Man Ag | Valset produkt af metal som lysdirigerende struktur |
| DE29621656U1 (de) * | 1996-12-13 | 1998-04-09 | Hüppe Form Sonnenschutz- und Raumtrennsysteme GmbH, 26133 Oldenburg | Blendschutzeinrichtung |
| DE19709478C2 (de) * | 1997-03-07 | 2003-11-20 | Rosenheimer Glastechnik Gmbh | Lamellenjalousie |
| DE69818928T2 (de) | 1997-08-28 | 2004-08-12 | Hunter Douglas Industries B.V. | Kombinierte Mehrfachverglasung und Lichtsteuerungsvorrichtung |
| EP0899411B1 (de) | 1997-08-28 | 2003-10-15 | Hunter Douglas Industries B.V. | Kombinierte Mehrfachverglasung und Lichtsteuerungsvorrichtung |
| DE29811539U1 (de) * | 1998-06-29 | 1999-11-11 | Hüppe Form Sonnenschutzsysteme GmbH, 26133 Oldenburg | Lamelle für Lamellenjalousien |
| AT408896B (de) * | 1999-09-20 | 2002-03-25 | Bartenbach Christian | Lichtumlenksystem |
| FR2799499B1 (fr) * | 1999-10-07 | 2003-02-28 | Eric Dufour | Dispositif brise-soleil, en particulier pour facade vitree |
| US6580559B2 (en) * | 2000-03-07 | 2003-06-17 | Fraunhofer Gesellschaft Zur Forderung Der Angewandten Forschung E.V. | Element for lighting rooms by selective daylight guidance and method of manufacturing such an element |
| DE20104989U1 (de) * | 2001-03-22 | 2001-09-06 | Hüppe Form Sonnenschutzsysteme GmbH, 26133 Oldenburg | Lamelle für den Behang eine Lamellenjalousie |
| DE20110043U1 (de) * | 2001-06-18 | 2001-09-20 | Lin, Ke-Min, Chiayi | Poröse Jalousielamelle |
| WO2010024806A1 (en) * | 2008-08-27 | 2010-03-04 | Hugh Rance | Window blind assembly |
| CA2646144C (en) * | 2008-12-10 | 2012-04-10 | Plastibec Inc. | A perforated louver with design pattern layer and an assembly for such louvers |
| GB2470387A (en) * | 2009-05-21 | 2010-11-24 | Brian John Howard Hughes | Roller blind |
| US8307602B2 (en) * | 2009-09-04 | 2012-11-13 | Cochran Jr Horace J | Grate sunshade |
| US10385608B2 (en) * | 2014-12-04 | 2019-08-20 | Sharp Kabushiki Kaisha | Daylighting device |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1639474A (en) * | 1926-11-11 | 1927-08-16 | Columbia Mills Inc | Window blind |
| US2546335A (en) * | 1949-03-28 | 1951-03-27 | James R Friend | Illumination louver |
| US2874612A (en) * | 1956-03-09 | 1959-02-24 | Luboshez Sergius N Ferris | Thermal insulator |
| US4292763A (en) * | 1979-12-07 | 1981-10-06 | The United States Of America As Represented By The United States Department Of Energy | Reflective insulating blinds for windows and the like |
| DE2923233A1 (de) * | 1979-06-08 | 1980-12-11 | Koester Helmut | Verfahren zur herstellung von faltjalousien |
| FR2574469A1 (fr) * | 1984-12-11 | 1986-06-13 | Promovence Sarl | Dispositif de protection solaire des volumes vitres |
| EP0200876B1 (de) * | 1985-04-30 | 1988-11-02 | Siemens Aktiengesellschaft | Anordnung zur Ausleuchtung eines Raumes mit Tageslicht |
| AT394882B (de) * | 1987-08-10 | 1992-07-10 | Bartenbach Christian | Blendschutzeinrichtung |
| JPH05508892A (ja) * | 1989-09-08 | 1993-12-09 | クイーンズランド ユニバーシティ オブ テクノロジー | 照明装置 |
| EP0483994A1 (de) * | 1990-10-17 | 1992-05-06 | Kabushiki Kaisha Nichibei | Store |
-
1993
- 1993-01-15 AT AT0005393A patent/AT399369B/de not_active IP Right Cessation
- 1993-10-25 DE DE59309720T patent/DE59309720D1/de not_active Expired - Lifetime
- 1993-10-25 AT AT93117227T patent/ATE182956T1/de not_active IP Right Cessation
- 1993-10-25 EP EP93117227A patent/EP0606543B1/de not_active Expired - Lifetime
- 1993-12-14 US US08/166,702 patent/US5388000A/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102007054015A1 (de) | 2007-11-13 | 2009-05-14 | Christian Bartenbach | Blendschutzvorrichtung |
| EP2060734A2 (de) | 2007-11-13 | 2009-05-20 | Christian Bartenbach | Blendschutzvorrichtung |
Also Published As
| Publication number | Publication date |
|---|---|
| ATE182956T1 (de) | 1999-08-15 |
| US5388000A (en) | 1995-02-07 |
| DE59309720D1 (de) | 1999-09-09 |
| EP0606543A1 (de) | 1994-07-20 |
| AT399369B (de) | 1995-04-25 |
| ATA5393A (de) | 1994-09-15 |
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