EP0878661A2 - Glaselement zur Raumbeleuchtung mit Tageslicht - Google Patents

Glaselement zur Raumbeleuchtung mit Tageslicht Download PDF

Info

Publication number: EP0878661A2
Authority: EP; European Patent Office
Prior art keywords: light; glass; glass element; element according; transparent
Prior art date: 1997-05-14
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

EP98401093A

Other languages

English (en)

French (fr)

Other versions

EP0878661A3 (de

EP0878661B1 (de

Inventor

Volker Geyer

Wulf Haeussler

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.)

Saint Gobain Glass France SAS

Original Assignee

Saint Gobain Vitrage SA

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.)

1997-05-14

Filing date

1998-05-06

Publication date

1998-11-18

1998-05-06 Application filed by Saint Gobain Vitrage SA filed Critical Saint Gobain Vitrage SA

1998-11-18 Publication of EP0878661A2 publication Critical patent/EP0878661A2/de

2000-10-04 Publication of EP0878661A3 publication Critical patent/EP0878661A3/de

2006-03-01 Application granted granted Critical

2006-03-01 Publication of EP0878661B1 publication Critical patent/EP0878661B1/de

2018-05-06 Anticipated expiration legal-status Critical

Status Expired - Lifetime legal-status Critical Current

Links

239000011521 glass Substances 0.000 title claims abstract description 49
238000005286 illumination Methods 0.000 title abstract description 5
239000005368 silicate glass Substances 0.000 claims abstract description 6
229920003229 poly(methyl methacrylate) Polymers 0.000 claims abstract description 5
239000004926 polymethyl methacrylate Substances 0.000 claims abstract description 5
239000004033 plastic Substances 0.000 claims description 4
229920003023 plastic Polymers 0.000 claims description 4
BPQQTUXANYXVAA-UHFFFAOYSA-N Orthosilicate Chemical compound [O-][Si]([O-])([O-])[O-] BPQQTUXANYXVAA-UHFFFAOYSA-N 0.000 claims 1
239000002651 laminated plastic film Substances 0.000 claims 1
238000000149 argon plasma sintering Methods 0.000 abstract description 3
239000002985 plastic film Substances 0.000 abstract description 2
241000446313 Lamella Species 0.000 description 3
230000000694 effects Effects 0.000 description 3
238000004049 embossing Methods 0.000 description 2
238000004519 manufacturing process Methods 0.000 description 2
239000011248 coating agent Substances 0.000 description 1
238000000576 coating method Methods 0.000 description 1
230000001419 dependent effect Effects 0.000 description 1
238000009792 diffusion process Methods 0.000 description 1
239000005329 float glass Substances 0.000 description 1
238000003475 lamination Methods 0.000 description 1
239000000463 material Substances 0.000 description 1
125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 1
230000000737 periodic effect Effects 0.000 description 1
229920006255 plastic film Polymers 0.000 description 1
229920000193 polymethacrylate Polymers 0.000 description 1
125000006850 spacer group Chemical group 0.000 description 1
239000000126 substance 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
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S11/00—Non-electric lighting devices or systems using daylight

Definitions

the present invention relates to an element glassmaker for lighting rooms with light natural, with at least two plates transparent between which lamellas, presenting a curvature deflecting the light, are arranged parallel to each other, these strips having preferably a front surface facing the light incident which is curved convexly as well that a surface with a surface structure diffusing light.
a glass element of this type is known from document DE 44 42 228 C1.
the slats deflecting the light are on this occasion arranged in areas chosen between the glass sheets of a window and are used to deflect the sunlight hitting their surfaces so as to direct it precisely in certain areas of a room, so that these areas have a higher light intensity than other areas of this room.
Each of the slats has, on the light exit face, a structure superficial, especially in the form particularly advantageous sine waves.
the structuring of the lamellae on the outlet face of the light is however an operation requiring work rather important.
the invention aims to arrange the element glassmaker of the aforementioned type so that its manufacturing is generally simpler and less expensive, without altering the deflection effect light.
the invention also provides for providing selected surface areas of at least one of transparent glass sheets, rather than a surface appropriate lamellae, reliefs and hollows.
the reliefs and hollows on the sheet of transparent glass can be formed before assembly of the glass element by a treatment suitable from the transparent glass sheet.
the surface scattering light consists of a film in embossed plastic or by the fact that the plate transparent as such is manufactured in a plastic material, such as for example polymethyl methacrylate and is provided in the selected surface areas of reliefs and hollow imprinted by embossing.
a sheet of silicate glass is used as a plate transparent. Such a sheet of silicate glass has as an advantage of having greater resistance better scratch resistance ultraviolet and better chemical resistance to filling gas.
the silicate glass sheet can by example consist of a sheet of glass provided on one of its surfaces with plastic wrap containing the surface pattern. It is however particularly advantageous that this sheet of glass consists of a shaped glass sheet, namely a sheet of glass says cast.
the use of cast glass has the particular advantage that the structure desired surface is obtained directly by a embossing of the still deformable hot cast glass, so the additional lamination operation plastic film can be deleted.
Glass elements designed according to the invention combine the advantages of an intensity high light and illumination over a large surface to their ease of manufacture.
the desired illumination is also obtained when the profiled surface is arranged in the direction of incidence of light rays in front of light diffusing slats.
the surface contoured has the effect of directing the scattered light in the horizontal direction on the heads of slats, focus it there, and then deviate in the desired vertical direction.
the profiled surface is arranged in the direction incidence of light rays at the back of the slats diffusing light.
the profiled surface diffuses the previously directed light into the slats deflecting light in the vertical direction and thus allows diffuse illumination of larger surfaces or the whole room.
the pattern that presents the profiling has preferably a periodic appearance. It is particularly advantageous that the s / p ratio of a amplitude height s and period length p or less than 0.6, preferably less than 0.3.
the period length p is advantageously greater than 1 mm, preferably greater than 1.5 mm.
a light scattering effect particularly advantageous can then be obtained when the amplitude pattern is made of ribs and elongated rectilinear grooves and is in section transverse in the form of sine waves.
lamellas 3 made of polymethacrylate of methyl (PMMA) are arranged between a sheet of float glass 1 and a sheet of poured glass 2.
PMMA polymethacrylate of methyl
the sheet of cast glass 2 is provided on its surface facing the insert space 5 and therefore towards the lamellas 3 of a surface pattern 7.
the pattern surface 7 has ribs and grooves in waveform having a period P of 2 mm and a amplitude s of 0.5 mm.
the reliefs and hollows diffuse the light incident in the horizontal direction so that it comes in all horizontal directions, on the slats 3 deflecting the light. Thanks to the fact that their surfaces 4 facing the direction of incidence of light are curved convexly, the 3 deflecting lamellae have properties of focus. Thanks to the combination of diffusion horizontal at the reliefs and hollows of the transparent plate 2 and focusing properties and deflection of light from the slats 3 in the vertical direction, we obtain a diffuse lighting on a large area of the selected areas of the room, particular from the room ceiling.
the two glass sheets 1 and 2 can be connected to each other in insulating glass by through a bracing frame not represented.
Such insulating glass can also be used well in a window as a fixed wall element or ceiling of a building.
the sheet of poured glass is arranged outside.
the glass element shown in FIG. 2 has three sheets of glass 10, 11, 12.
the glass sheets 10, 12 are glass sheets floated on flat and parallel surfaces, while the glass sheet 11 is a sheet of glass cast at embossed surface.
the slats 13 have the same structure that the lamellae 3 shown in FIG. 1.
the sheet of cast glass 11 is provided with a pattern superficial 17 which has the same wavy shape as the surface pattern 7 shown in FIG. 1.
the glass sheets 10, 11, 12 are connected to each other by a non-bracing frame represented.
the spacers 14, 15 are filled with the usual filling gas for insulating glass, preferably a rare gas.
the glass sheets 10, 12 are each provided on their surface facing the intermediate spaces 14, 15 a coating 18, 19 reflecting the heat.
Insulating glass of such a structure can as well be enshrined in a window like a classic insulating glass, that to be used as element facade or ceiling.
the glass elements shown in Figs. 1 and 2 are arranged in such a way so that the surface pattern 7, 17 is facing inside the building.

Landscapes

Engineering & Computer Science (AREA)
Structural Engineering (AREA)
Architecture (AREA)
Civil Engineering (AREA)
Life Sciences & Earth Sciences (AREA)
Sustainable Development (AREA)
General Engineering & Computer Science (AREA)
Optical Elements Other Than Lenses (AREA)
Glass Compositions (AREA)
Joining Of Glass To Other Materials (AREA)
Polarising Elements (AREA)
Laminated Bodies (AREA)

EP98401093A 1997-05-14 1998-05-06 Glaselement zur Raumbeleuchtung mit Tageslicht Expired - Lifetime EP0878661B1 (de)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
DE29708518U		1997-05-14
DE29708518U DE29708518U1 (de)	1997-05-14	1997-05-14	Glasbauelement

Publications (3)

Publication Number	Publication Date
EP0878661A2 true EP0878661A2 (de)	1998-11-18
EP0878661A3 EP0878661A3 (de)	2000-10-04
EP0878661B1 EP0878661B1 (de)	2006-03-01

Family

ID=8040289

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
EP98401093A Expired - Lifetime EP0878661B1 (de)	1997-05-14	1998-05-06	Glaselement zur Raumbeleuchtung mit Tageslicht

Country Status (5)

Country	Link
EP (1)	EP0878661B1 (de)
AT (1)	ATE319039T1 (de)
DE (2)	DE29708518U1 (de)
ES (1)	ES2258812T3 (de)
PT (1)	PT878661E (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
GB2402907A (en) *	2003-06-10	2004-12-22	Levolux At Ltd	Improvements in or relating to a solar shading louvre

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE29708518U1 (de) *	1997-05-14	1997-07-17	Vegla Vereinigte Glaswerke Gmbh, 52066 Aachen	Glasbauelement
DE10000966A1 (de) *	2000-01-12	2001-07-19	Gnan Karl Heinz	Mehrfachscheibe mit räumlicher Einlage
DE10127982A1 (de) *	2001-06-08	2002-12-12	Prismen Gmbh & Co Kg	Retroreflektierendes Tageslichtsystem mit Glasrohren
DE102005016616B3 (de) *	2005-04-12	2006-08-31	Eckelt Glas Gmbh	Mehrfach-Fensterscheibe mit einer Lamellenjalousie mit feststehenden Lamellen
DE102005019033A1 (de) *	2005-04-23	2006-07-20	Eckelt Glas Gmbh	Isolierfensterscheibe mit Unterdruck-Innenraum

Citations (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE4442228C1 (de)	1994-11-26	1996-04-25	Helmut Frank Ottomar P Mueller	Tageslicht-Beleuchtungsvorrichtung bestehend aus mindestens einer lichtleitenden Platte

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE1772236U (de) *	1956-10-11	1958-08-14	Ernst Th Schroeder	Hohle glasplatte.
DE8514467U1 (de) *	1985-05-15	1986-09-11	GGN Glashandels-Gesellschaft Nördlingen mbH & Co KG, 8860 Nördlingen	Mehrscheiben-Isolierglaseinheit mit integriertem lichtlenkenden System
DE29601308U1 (de) *	1996-01-26	1996-04-11	Federmann, Helmut, Dr., 51427 Bergisch Gladbach	Vorrichtung zum Versorgen eines Raumes mit blendfreiem, diffusem Sonnenlicht
DE29708518U1 (de) *	1997-05-14	1997-07-17	Vegla Vereinigte Glaswerke Gmbh, 52066 Aachen	Glasbauelement

1997
- 1997-05-14 DE DE29708518U patent/DE29708518U1/de not_active Expired - Lifetime
1998
- 1998-05-06 EP EP98401093A patent/EP0878661B1/de not_active Expired - Lifetime
- 1998-05-06 ES ES98401093T patent/ES2258812T3/es not_active Expired - Lifetime
- 1998-05-06 DE DE69833627T patent/DE69833627T2/de not_active Expired - Lifetime
- 1998-05-06 AT AT98401093T patent/ATE319039T1/de not_active IP Right Cessation
- 1998-05-06 PT PT98401093T patent/PT878661E/pt unknown

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE4442228C1 (de)	1994-11-26	1996-04-25	Helmut Frank Ottomar P Mueller	Tageslicht-Beleuchtungsvorrichtung bestehend aus mindestens einer lichtleitenden Platte

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
GB2402907A (en) *	2003-06-10	2004-12-22	Levolux At Ltd	Improvements in or relating to a solar shading louvre
GB2402907B (en) *	2003-06-10	2006-03-22	Levolux At Ltd	Improvements in or relating to a solar shading louvre

Also Published As

Publication number	Publication date
DE69833627T2 (de)	2007-03-29
ATE319039T1 (de)	2006-03-15
EP0878661A3 (de)	2000-10-04
EP0878661B1 (de)	2006-03-01
DE69833627D1 (de)	2006-04-27
DE29708518U1 (de)	1997-07-17
ES2258812T3 (es)	2006-09-01
PT878661E (pt)	2006-06-30

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