EP0200876A1 - Disposition pour l'éclairage d'un local à la lumière du jour - Google Patents

Disposition pour l'éclairage d'un local à la lumière du jour Download PDF

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Publication number
EP0200876A1
EP0200876A1 EP86102960A EP86102960A EP0200876A1 EP 0200876 A1 EP0200876 A1 EP 0200876A1 EP 86102960 A EP86102960 A EP 86102960A EP 86102960 A EP86102960 A EP 86102960A EP 0200876 A1 EP0200876 A1 EP 0200876A1
Authority
EP
European Patent Office
Prior art keywords
window
light
angle
reflector
arrangement according
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
EP86102960A
Other languages
German (de)
English (en)
Other versions
EP0200876B1 (fr
Inventor
Christian Bartenbach
Martin Möller
Rudolf Lanzenberger
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.)
Siemens AG
Siemens Corp
Original Assignee
Siemens AG
Siemens Corp
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
Application filed by Siemens AG, Siemens Corp filed Critical Siemens AG
Priority to AT86102960T priority Critical patent/ATE38422T1/de
Publication of EP0200876A1 publication Critical patent/EP0200876A1/fr
Application granted granted Critical
Publication of EP0200876B1 publication Critical patent/EP0200876B1/fr
Expired legal-status Critical Current

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Classifications

    • 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 invention relates to an arrangement according to the preamble of claim 1.
  • Such an arrangement is known from DE-OS 14 97 348.
  • Several flat reflectors are arranged at a distance one above the other between two window panes, two adjacent reflectors each forming a light shaft with a cross section that is constant over its width.
  • the diagonal angle between a diagonal beam passing through the light well and a reference plane, e.g. the vertical plane is so large that even a person sitting directly at the window can look out through the light wells and their eyes are also hit by multiple reflected rays.
  • Such a window is practically very bright from all normal viewing angles of a person in the room, i.e. its luminance is in great contrast to the luminance of the walls surrounding the window.
  • the invention is therefore based on the object to design each light well in an arrangement according to the preamble of claim 1 so that the entire light passing through it is emitted in a spatial area which is above a diagonal angle which is dimensioned such that the diagonal beam from one The person who is most distant from the window in a workplace is no longer visible.
  • the inventive solution to this problem is characterized in claim 1.
  • the light is emitted into the room at such angles that the inner windows appear dark even from the most unfavorable viewing position.
  • the reflective ceiling and the walls opposite the light wells are brightened so that they act as secondary emitters that reflect the light at favorable angles to the workplace.
  • Such illumination not only saves energy but in particular creates a very favorable, glare-free work situation; this also prevents annoying reflections on screens.
  • the distribution of the luminous flux from a light shaft over the ceiling and the wall opposite the window and in particular also the angle of incidence of the light into the room above the diagonal angle can be varied within wide limits within the scope of the invention: for example, the luminous flux directed onto the window area near the window can be varied above all by setting a main axis angle that deviates from zero.
  • the ceiling section lying further inside in the room receives a larger proportion of light, the smaller the angle of inclination of the flat top reflector.
  • Another degree of freedom is to choose the focal length of the sub-reflector to be the same, smaller or larger than the height of the entrance window.
  • the entrance window of each light well can be arranged in a vertical plane or in a plane inclined towards it.
  • the invention achieves excellent shielding of the space beneath the diagonal beam. However, this only applies on the condition that no stray light enters the light wells from building reflections at an unfavorable angle. If this is to be expected due to the construction situation, it is advantageous, in accordance with the development of the invention characterized in subclaim 9, to place an outside light shaft in front of each inside light shaft, which shields out stray light coming from below. With this embodiment, a given window area can also be optimally utilized, since the light entry areas of the outside light wells abut one another without gaps. Analogous considerations apply to the parameters of the exterior light well and the light deflection and suppression that can be achieved with them, as explained with reference to the interior light well.
  • the parameters of the light wells can be dimensioned such that the light that is incident in the angular range between the diagonal beam and the main axis of the outer light well is emitted into the interior in an angular range that is in turn limited by the diagonal beam and the main axis of the inner light well.
  • Light wells lying one above the other - which can also consist of an inner light well and an outer light well - are preferably formed by identical molded bodies arranged one above the other. These can be of such a small width that they can be accommodated in the space between the panes of composite windows. With these small dimensions, it is particularly advantageous to extrude the individual molded parts.
  • At least one viewing window below the light wells for example at eye level of people sitting at workplaces, which enables contact with the outside world; however, this should be covered by a blind.
  • sun protection in front of the light wells, through which direct sunlight, e.g. with the help of retroreflection, is kept away from the light wells.
  • the diagonal beam Dil belonging to the light shaft Lil which passes through the lower edge Uil of the inner window Fil and the upper edge 0ml of the entrance window Fml, includes a vertical diagonal angle ⁇ il, which is slightly larger than 90 ° and dimensioned such that this diagonal beam is no longer visible from the eye level M of a person sitting at a table T which is furthest from the window front.
  • the diagonal beam Di thus delimits the area directly illuminated by a light well from an underlying blocking zone Z, which is only illuminated by daylight, which is reflective dete ceiling P and / or the vertical walls of the room has been reflected. This light produces practically no disturbing reflections on a display device G.
  • FIG. 2 the basis is first of all that the entrance windows Fml, Fm2 and the inner windows Fil, Fi2 lie in vertical planes V, which have the transverse distance b from one another.
  • the diagonal beam Dil with the diagonal angle ⁇ il is now drawn in for the lowermost light well Lil: the position of the lower edge Uil of the inner window Fil and the upper edge 0ml of the entrance window Fml is thus determined.
  • the sub-reflector RUil is arranged here in such a way that the parabola according to which this reflector runs has a vertical main axis, and its focal point Bl lies in the lower edge Oml of the entrance window Fml: the diagonal beam Dil is therefore a focal point beam and thus the distance between the focal point Bl and the lower edge Uil of the inner window Fil is equal to the distance from Uil in the vertical direction from the associated guideline of the parabola. Half the distance of this guideline from the focal point Bl then gives the apex Sl.
  • the focal length which is identical to the height of the entrance window Fm, is given by
  • the angle of inclination ⁇ il of the flat top reflector ROil is equal to half the diagonal angle ⁇ il, both angles being measured from the vertical main axis.
  • a light well is also indicated on the basis of FIG. 2, which is delimited by a sub-reflector RUi '- shown in dotted lines, the inner window Fi' lying in a plane which, with the vertical V, forms an acute angle which is open at the bottom. Obviously, with such a design, it is possible to create larger window areas with the same shielding conditions.
  • the entrance window of each light well receives light from an angular range of 180 °. This can be disruptive if lower parts of the building are considered as secondary radiators. It is then expedient to limit the angular range for incident light by means of an outer light shaft placed in front of the inner light shaft, as is shown with reference to FIG. 3: inner window Fi and entry window Fm of the inner shaft Li lie - as in FIG. 2 - in two mutually parallel vertical planes V 2, the main axis Hi of the sub-reflector RUi is inclined by the main axis angle ⁇ i with respect to the vertical plane S.
  • the outside light shaft La is located between an outer window Fa with the upper edge Oa and the lower edge Ua and the entry window Fm of the inside light shaft Li runs, whose focal point B lies in the upper edge 0m of the entrance window Fm and whose main axis Ha is inclined by the main axis angle ⁇ a against the vertical plane S.
  • the diagonal beam Da runs through the lower edge Ua of the outer window Fa and the upper edge Om of the entrance window Fm, which includes an angle of inclination ⁇ a with the main axis Ha.
  • the outside light well La only absorbs light and directs it into the inner light well, insofar as its angle of incidence lies in the angular range ⁇ a. This light is then emitted into the room in an angular range ⁇ i between the diagonal Di and the main axis Hi of the interior light well Li.
  • part of a composite window is shown in cross-section, the two window panes which are parallel to one another being designated by 1 and 2.
  • Shaped bodies 3 with an identical cross-section are arranged at an equal distance above one another between these panes, which are also mirror images of a vertical plane S - parallel to the window panes.
  • the surfaces of the shaped bodies are designed to be reflective, in particular reflective, so that an outer light well La and an inner light well Li are formed between the superimposed shaped bodies.
  • the diagonal angle 0 ⁇ for the diagonal beam D for the outside light well and the inner light well is identical to 90 ° with respect to the vertical plane S, in which the main axes of the parabolas of the lower reflectors lie: This means that the upper reflectors also have an identical inclination angle ß of 45 °.
  • An arrangement with shaped bodies of this type receives light from an angular range of 90 ° - between D and S - and emits it over the same angular range - between D and S - against the ceiling and opposite walls of the room.
  • a known sunshade 4 is arranged in the form of rotatable prismatic lenses, which can always be adjusted so that - regardless of the position of the sun - no sunbeam can penetrate the light wells.

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
  • Optical Elements Other Than Lenses (AREA)
  • Blinds (AREA)
EP86102960A 1985-04-30 1986-03-06 Disposition pour l'éclairage d'un local à la lumière du jour Expired EP0200876B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT86102960T ATE38422T1 (de) 1985-04-30 1986-03-06 Anordnung zur ausleuchtung eines raumes mit tageslicht.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3515603 1985-04-30
DE3515603 1985-04-30

Publications (2)

Publication Number Publication Date
EP0200876A1 true EP0200876A1 (fr) 1986-11-12
EP0200876B1 EP0200876B1 (fr) 1988-11-02

Family

ID=6269514

Family Applications (1)

Application Number Title Priority Date Filing Date
EP86102960A Expired EP0200876B1 (fr) 1985-04-30 1986-03-06 Disposition pour l'éclairage d'un local à la lumière du jour

Country Status (8)

Country Link
US (1) US4699467A (fr)
EP (1) EP0200876B1 (fr)
JP (1) JPS61254788A (fr)
AT (1) ATE38422T1 (fr)
AU (1) AU576151B2 (fr)
CA (1) CA1257237A (fr)
DE (1) DE3661104D1 (fr)
ZA (1) ZA863221B (fr)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4001471A1 (de) * 1989-01-21 1990-07-26 Koester Patente Gmbh Vorrichtung fuer die herstellung einer duennen und streifenfoermigen folie an wenigstens einem traeger sowie verfahren zur herstellung einer solchen vorrichtung
DE4211085A1 (de) * 1992-04-03 1993-10-07 Koester Helmut Lichtlenkelemente für Tageslicht
DE4310717A1 (de) * 1993-04-01 1994-10-06 Koester Helmut Lichtlenkelemente für Tageslicht
DE19503293A1 (de) * 1995-02-02 1996-08-08 Spl Solar Patent Lizenz Holdin Gekantete Jalousielamelle
EP0831272A1 (fr) * 1996-09-19 1998-03-25 Siemens Beleuchtungstechnik GmbH & Co. KG Dispositif pour l'éclairage d'une pièce
DE202012005524U1 (de) 2012-04-12 2013-07-15 Bartenbach Holding Gmbh Vorrichtung zur Ausleuchtung von Räumen mit Tages und/oder Kunstlicht
DE102014113631B3 (de) * 2014-09-22 2015-11-05 Siteco Beleuchtungstechnik Gmbh Tageslichtsystem

Families Citing this family (31)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NZ224424A (en) * 1987-11-06 1990-12-21 Ian Robert Edmonds Light deflecting window panel: parallel cuts in transparent material by laser
US4820020A (en) * 1987-11-19 1989-04-11 Terrill Frank E Passive daylighting system
FR2637048B1 (fr) * 1988-09-23 1990-11-23 Olivier Dominique Dispositif d'eclairage utilisant l'energie solaire
AU641429B2 (en) * 1989-09-08 1993-09-23 Queensland University Of Technology Illuminating apparatus
WO1991003682A1 (fr) * 1989-09-08 1991-03-21 Queensland University Of Technology Appareil d'eclairage
AU657749B2 (en) * 1992-04-23 1995-03-23 Ian Robert Edmonds Permanently fixed collimation devices which combine the function of shading and daylighting building interiors
US5285315A (en) * 1992-09-25 1994-02-08 Synertech Systems Corporation Apparatus and method for optimizing useful sunlight reflected into a room
AT399369B (de) * 1993-01-15 1995-04-25 Bartenbach Christian Blendschutzeinrichtung
DE69429113T2 (de) * 1993-05-04 2002-07-25 Redbus Serraglaze Ltd., Knowle Zur verwendung in der verglasung geeignetes optisches bauelement
US5467564A (en) * 1993-05-28 1995-11-21 Andersen Corporation Daylight collection and distribution system
US5408795A (en) * 1993-05-28 1995-04-25 Anderson Corporation Daylight collection and distribution system
USD364469S (en) 1994-10-13 1995-11-21 Andersen Corporation Skylight
USD374087S (en) 1994-11-29 1996-09-24 Andersen Corporation Skylight
DE59507392D1 (de) 1995-09-07 2000-01-13 Siteco Beleuchtungstech Gmbh Raumbeleuchtungsanordnung mit Tages- und Kunstlicht
EP0799654B1 (fr) * 1996-04-02 2001-10-24 Alusuisse Technology & Management AG Produit métallique laminé comme structure déflecteur de lumière
US5648873A (en) * 1996-05-30 1997-07-15 Minnesota Mining And Manufacturing Company Passive solar collector
US6256947B1 (en) 1998-06-04 2001-07-10 Solatube International, Inc. Method and apparatus for a tubular skylight system
AU2003204904B2 (en) * 2003-04-10 2006-04-27 Ian Robert Edmonds Light channeling window panel for shading and illuminating rooms
US8297786B2 (en) 2008-07-10 2012-10-30 Oree, Inc. Slim waveguide coupling apparatus and method
US7843640B2 (en) * 2008-12-16 2010-11-30 Alcoa Inc. Light shelves for daylighting
US8462437B2 (en) * 2010-11-15 2013-06-11 Massachusetts Institute Of Technology Passive louver-based daylighting system
US8837049B2 (en) 2012-03-26 2014-09-16 Mbc Ventures, Inc. Window blind solar energy management system
US8824050B2 (en) 2012-04-06 2014-09-02 Svv Technology Innovations, Inc. Daylighting fabric and method of making the same
JP5914143B2 (ja) * 2012-04-27 2016-05-11 大成建設株式会社 昼光照明装置
CN102704818B (zh) * 2012-05-16 2015-09-02 江苏鸿升装饰工程有限公司 全方位采光窗户
WO2014006501A1 (fr) 2012-07-03 2014-01-09 Yosi Shani Appareil d'éclairage au phosphore distant planaire
US8934173B2 (en) 2012-08-21 2015-01-13 Svv Technology Innovations, Inc. Optical article for illuminating building interiors with sunlight
US20150354272A1 (en) * 2014-06-10 2015-12-10 Sergiy Vasylyev Light-redirecting retractable window covering
US20160025288A1 (en) 2014-07-25 2016-01-28 Sergiy Vasylyev Light directing sheeting and systems employing the same
US20170223802A1 (en) * 2016-02-03 2017-08-03 Honeywell International Inc. Camera-aided controller of illumination
US11204458B2 (en) 2018-11-12 2021-12-21 S.V.V. Technology Innovations, Inc. Wide-area solid-state illumination devices and systems employing sheet-form light guides and method of making the same

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EP0020296A1 (fr) * 1979-06-05 1980-12-10 Relium AG Procédé et moyen pour contrôler, dans des chambres, l'énergie rayonnante de tout le spectre
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

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DE194867C (fr) *
US717782A (en) * 1898-04-09 1903-01-06 Pressed Prism Plate Glass Co Illuminating structure.
US721256A (en) * 1898-04-13 1903-02-24 Pressed Prism Plate Glass Co Illuminating structure.
US755196A (en) * 1898-10-28 1904-03-22 Pressed Prism Plate Glass Co Illuminating structure.
US721259A (en) * 1898-11-12 1903-02-24 Pressed Prism Plate Glass Co Illuminating structure.
US720386A (en) * 1900-07-12 1903-02-10 Pressed Prism Plate Glass Co Illuminating prism structure.
CH441190A (de) * 1965-07-16 1967-08-15 Talium Ag Verfahren zur Verbesserung der Beleuchtungsverhältnisse in Räumen mit Tageslichteinfall und Einrichtung zur Durchführung dieses Verfahrens
US4351588A (en) * 1979-04-24 1982-09-28 Relium Ag Process and means for controlling the radiant energies of the entire spectral range in rooms
GB2141474B (en) * 1983-06-17 1987-03-04 British Res Agricult Eng Louvred reflector
US4509825A (en) * 1983-06-27 1985-04-09 Hallmark Cards, Inc. Directing and controlling the distribution of radiant energy

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0020296A1 (fr) * 1979-06-05 1980-12-10 Relium AG Procédé et moyen pour contrôler, dans des chambres, l'énergie rayonnante de tout le spectre
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

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4001471A1 (de) * 1989-01-21 1990-07-26 Koester Patente Gmbh Vorrichtung fuer die herstellung einer duennen und streifenfoermigen folie an wenigstens einem traeger sowie verfahren zur herstellung einer solchen vorrichtung
DE4211085A1 (de) * 1992-04-03 1993-10-07 Koester Helmut Lichtlenkelemente für Tageslicht
DE4310717A1 (de) * 1993-04-01 1994-10-06 Koester Helmut Lichtlenkelemente für Tageslicht
DE19503293A1 (de) * 1995-02-02 1996-08-08 Spl Solar Patent Lizenz Holdin Gekantete Jalousielamelle
EP0831272A1 (fr) * 1996-09-19 1998-03-25 Siemens Beleuchtungstechnik GmbH & Co. KG Dispositif pour l'éclairage d'une pièce
DE202012005524U1 (de) 2012-04-12 2013-07-15 Bartenbach Holding Gmbh Vorrichtung zur Ausleuchtung von Räumen mit Tages und/oder Kunstlicht
DE102014113631B3 (de) * 2014-09-22 2015-11-05 Siteco Beleuchtungstechnik Gmbh Tageslichtsystem
EP2998499A1 (fr) 2014-09-22 2016-03-23 Siteco Beleuchtungstechnik GmbH Systeme de lumiere du jour

Also Published As

Publication number Publication date
US4699467A (en) 1987-10-13
AU576151B2 (en) 1988-08-11
EP0200876B1 (fr) 1988-11-02
JPS61254788A (ja) 1986-11-12
ATE38422T1 (de) 1988-11-15
DE3661104D1 (en) 1988-12-08
AU5680286A (en) 1986-11-06
ZA863221B (en) 1986-12-30
CA1257237A (fr) 1989-07-11

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