EP0831272B1 - Dispositif pour l'éclairage d'une pièce - Google Patents

Dispositif pour l'éclairage d'une pièce Download PDF

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Publication number
EP0831272B1
EP0831272B1 EP96115077A EP96115077A EP0831272B1 EP 0831272 B1 EP0831272 B1 EP 0831272B1 EP 96115077 A EP96115077 A EP 96115077A EP 96115077 A EP96115077 A EP 96115077A EP 0831272 B1 EP0831272 B1 EP 0831272B1
Authority
EP
European Patent Office
Prior art keywords
reflector
room
daylight
arrangement
ceiling
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
Application number
EP96115077A
Other languages
German (de)
English (en)
Other versions
EP0831272A1 (fr
Inventor
Tanja Nagel
Ingo Susemihl
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.)
Osram SBT GmbH
Original Assignee
Siteco Beleuchtungstechnik 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
Application filed by Siteco Beleuchtungstechnik GmbH filed Critical Siteco Beleuchtungstechnik GmbH
Priority to AT96115077T priority Critical patent/ATE227821T1/de
Priority to EP96115077A priority patent/EP0831272B1/fr
Priority to DE59609872T priority patent/DE59609872D1/de
Publication of EP0831272A1 publication Critical patent/EP0831272A1/fr
Application granted granted Critical
Publication of EP0831272B1 publication Critical patent/EP0831272B1/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
    • F21V7/00—Reflectors for light sources
    • F21V7/0008—Reflectors for light sources providing for indirect lighting
    • 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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S19/00—Lighting devices or systems employing combinations of electric and non-electric light sources; Replacing or exchanging electric light sources with non-electric light sources or vice versa
    • F21S19/005—Combining sunlight and electric light sources for indoor illumination

Definitions

  • the invention relates to a room lighting arrangement according to the preamble of claim 1.
  • Daylight appears to be unrestricted, if not available free of charge to illuminate the interior of buildings.
  • the room depth is also for reasons of economic use of space often a multiple of the room height. It follows from conventional daylight lighting even with large window areas a very uneven distribution of illuminance in the room what a good seeing, especially in the distance from the window Difficult areas. Much more uncomfortable but are high luminance differences in individual room areas, which lead to dazzling users of the room It is therefore not very early There was no attempt, especially in unfavorable spaces to use the available daylight as well as possible.
  • DE-C-631 798 is a device for room lighting described with daylight and artificial light, at the window openings superior or inserted in these openings flat reflectors for daylight and in the area to be illuminated Room lighting fixture provided for artificial light are.
  • the known arrangement of this device for day and Artificial light is chosen so that the light of the two Types of light are initially directed towards the ceiling area and from there it only illuminates the room as reflected light.
  • artificial light sources near the light entry opening to arrange for daylight. With that both light components in approximately the same direction towards higher ones Room surfaces directed and from there over the entire Space to be distributed. For this purpose, artificial Light sources directly above or below the light entry surface be provided for daylight.
  • US-A-4 593 976 is a device for daylight lighting an interior known that optimizes it is the largest possible proportion of daylight in the window To direct areas of this interior.
  • One for that used deflection device for the incoming daylight exists, seen in cross section, from two opposite curved reflector surfaces, one of which is in the outside space is directed, catches daylight and this on the second reflector surface facing the interior reflected.
  • the second reflector surface is also the first Arranged so that on the one hand everything possible from this reflected light and on the other hand by an in outlet opening lying through the plane of the window surface is aimed at a virtual target area, which preferably in the area away from the ceiling above the ceiling lies. An interaction of the daylight lighting arrangement with artificial room lighting is not disclosed.
  • the known solution is only optimized to especially considering the changing angle of incidence the sun, if possible all year round, i.e. So with changing positions of the sun and proportion of sunlight, if possible lots of light with the specially designed reflector arrangement in the interior to be illuminated and there in particular radiate into areas far from the window.
  • That first reflector is a second reflector above the window surface assigned, which reaches up to the ceiling, the irradiated Daylight catches and directed against the ceiling again radiates.
  • About a lack of daylight when the sky is overcast To be completed is the edge near this ceiling of this second Reflector adjacent to a shielded light bar Ceiling installed. This depends on the current one Weather conditions can be switched on or off.
  • Light emitted by this light bar is steered into the room via the second reflector and should always give the impression of one Awaken daylight-lit window opening of the room.
  • the one emitted by the light bar Light is in particular generated by the second reflector, which then acts as a wallwasher directed into the area close to the window, which is why this additional lighting for the artificial Room lighting is not yet sufficient. Therefore, for artificial room lighting further ceiling lights are provided deeper in the room.
  • WO 90/10176 discloses a room lighting arrangement according to the preamble of the claim 1, in which several curved reflectors in a window opening parallel one above the other are arranged and in each case on the underside of the reflectors in cross section triangular reflector section is attached, the one facing the interior Side has a reflector surface inclined at an acute angle to the vertical, which Light coming from the inside of the room is reflected back into the room.
  • An artificial light source is arranged below the reflector arrangement and emits light on the side of the reflector sections with a triangular cross-section facing the inside of the room a, so that the incident light on the window opening of the artificial light source in the Space is reflected back. Direct sunlight can pass through the system without reflection, which can lead to glare.
  • EP 0 200 876 A1 discloses a lighting arrangement that is used exclusively for lighting is provided with daylight and parabolic reflector sections for coupling of light into a room that has its focus on the outside of the window opening to have.
  • a light shaft can be used to limit the beam be upstream, which tapers towards the room side.
  • the present invention has for its object for a room lighting arrangement of the type mentioned to create a further embodiment with which the Available daylight - based on the smallest possible facade opening - with high efficiency in the room to be illuminated without glare is and can be combined with artificial room lighting so that under all Lighting conditions give the impression of natural lighting is conveyed.
  • the aim is to in a simple way to capture as much daylight as possible and at least in one relatively small area in one dimension, the light exit area of this first reflector arrangement, to concentrate.
  • an artificial light source is then arranged so that the main directions of emission both for the daylight component as well as for the artificial light component for basic lighting of the room come from the same direction and both parts of the light into this against the ceiling, on higher wall areas, by no means directly into the lower half-space be directed.
  • Basic lighting over the entire depth of the room which turns out to be indirect lighting through at least one reflection of the light radiated through this arrangement in the room, can be completely natural to the room user effective lighting effects also through additional conventional Create daylight lighting in the room.
  • Room lighting arrangement serving the basic lighting of a room in a comprehensive lighting system for interiors to integrate.
  • Commercial buildings Often large fixed areas are provided when the sun is high Extremely high illuminance levels, especially in the area close to the window cause. To remedy this in normal Conventional shading elements are provided his.
  • the room lighting arrangement can completed by further artificial light sources become. It is essential that the completely glare-free, Room lighting arrangement used for basic lighting a predetermined mean at any time Illuminance guaranteed in the room.
  • a luminance curve at the room boundary surfaces be achieved in terms of its uniformity conventional daylight lighting - even with large ones Window surfaces - is superior.
  • Figure 1 is the principle of an indirect room lighting arrangement shown, essentially in the facade area a room is arranged.
  • a house facade is simplified 1 and a ceiling 2 of an interior to be illuminated played.
  • the house facade 1 is near the ceiling 2 perforated to accommodate a deflection device 3 for daylight, to introduce the above into the interior to be illuminated is.
  • This deflection device 3 is trough-shaped and extends with their perpendicular to that in figure 1 shown section lying longitudinal axis in a horizontal Direction across the room width. It includes one on the light entry side arranged, opening outward first Reflector arrangement with two parabolic reflector surfaces 31 and 32, respectively, between a light entry surface 33 and a concentrator surface 34 are spanned.
  • the Intersection of the concentrator surface 34 with the two reflector surfaces 31 and 32 coincide with the respective Focal points for the intersections opposite parabolic reflector surface together.
  • the reflector surface 32 can with a Fine structure, which contributes to local differences in luminance to decrease on the concentrator surface 34.
  • This first reflector arrangement 31, 32 corresponds in its Design of a radiation concentrator known passive, d. H. stationary, i.e. the current position of the sun non-trackable solar panels. With the help of this the first reflector arrangement 31, 32 can be so incident Daylight on the concentrator area, which is dimensionally minimized 34 bundle. You can this concentrator 34th under this condition as a limited in size Evaluate light source that clearly - in contrast to an artificial light source - referred to as a "solar" light source could be. You can also through a in the concentrator area 34 inserted diffusely transmitting disc added the further distribution of the amount of daylight passing through to even out.
  • the first reflector arrangement 31, 32 has one in this embodiment Aperture angle ⁇ of approximately 60 ° and is fixed in the facade area preferably arranged so that the light entry surface 33 - measured from the nadir - an angular range of 10 ° to 70 ° detected to direct as high a proportion as possible Sunlight, but of course also diffuse daylight capture.
  • the concentrator area lies under the irradiation conditions mentioned 34 regarding their inclination to the interior not as it is for the spatial distribution of the daylight portion passing through them is required would. That is why this first reflector arrangement follows 31, 32 directly on a second reflector arrangement 35, 36, the reflector surfaces 35 and 36 directed into the interior are.
  • One reflector surface of this second reflector arrangement is designed as a floodlight 35. It closes immediately to the inner edge point of one reflector surface 32 the first reflector arrangement 31, 32 and is relative weak curvature at a relatively acute angle aligned against the vertical in the direction of the ceiling 2.
  • the second reflector surface 36 of the second reflector arrangement forms the actual deflection surface 36 for what is to be blasted Daylight. It closes at the lower edge of the concentrator surface 34 with an approximately circular segment Partial area 361 and goes into a tangentially attached to it flat partial area 362 above.
  • This flat partial surface 362 is at a relatively flat angle to the horizontal also directed against the ceiling 2.
  • this flat partial surface 362 of the deflection surface 36 is one of them facing edge angled 363 provided. through this glare edge 363 becomes the light exit opening of the second reflector arrangement 35, 36 against the lower half space shielded the interior to be illuminated. It is advantageous the surface of the second reflector surface 36 diffusely reflecting educated.
  • the daylight component at least one artificial light source 4 near the base the reflector surface designed as a floodlight 35 second reflector arrangement 35, 36 arranged.
  • this Light source 4 as an elongated lamp, for example as Fluorescent lamp trained, so extends their Longitudinal axis parallel to the longitudinal axis of the deflection device 3.
  • the Artificial light source 4 shielded from a third reflector arrangement 5, so that emitted from the artificial light source 4 Light directly or after a reflection on the third reflector arrangement 5 only in the direction of the uplighter 35, but in no case in the lower half-space of the one to be illuminated Interior is emitted.
  • Figure 2 illustrates the angle of incidence of daylight, especially direct Sunlight-dependent function of this deflection device 3 in terms of the distribution of the steered into the interior Daylight share. It seems unnecessary, this from Function of the deflection device depending on the angle of incidence 3 in several examples for different light incidence angles also to clarify in detail in the drawing. Because the deflection device 3 is on it in its geometry matched, as shown in the example shown in Figure 2, captured daylight, especially from high angles of incidence in the range of about 50 to 70 ° if possible evenly over the entire ceiling 2, if necessary also distribute high-lying wall areas away from the window.
  • Figure 3 the lighting technology is now compared to Figure 2 Function of only that which complements the basic lighting Artificial light for the room lighting arrangement described with reference to FIG. 1 shown.
  • This illustration shows that with the artificial light source 4 in the geometric Arrangement of Figure 1 preferably near the window Ceiling 2 are illuminated, d. H. the uniformity the light distribution on the ceiling 2 is less. This zonal effect is desirable because experience has shown that workplaces preferably set up near the window become. Therefore, the room lighting arrangement described in integrated artificial lighting only as Basic lighting intended for an interior and accordingly to rate.
  • FIG. 4 shows a further embodiment for the room lighting arrangement shown.
  • the arrangement of the deflection device 3 in a window House facade 1 near the ceiling 2 shown in more detail. These details were only shown in Figure 1 Omitted for clarity.
  • the essential Difference from the embodiment shown in FIG. 1 is that the artificial light source 4 is not immediate in the foot area of the floodlight 35, but instead, opposite this, on the room ceiling 2 facing Top of the deflection surface 36 of the interior directed second reflector arrangement 35, 36 is arranged.
  • Studies have shown that for the actual light-directing function of the through the concentrator surface 34 daylight, especially the areas the deflection surface 36 are the more essential, the smaller their Distance to this concentrator surface 34 is.
  • Both described exemplary embodiments for a room lighting arrangement can be integrated into a more comprehensive lighting system integrate.
  • a more comprehensive lighting system For switching off from too bright, entering through window areas in the visible area of the room Venetian blinds, also leporello blinds and similar may be provided.
  • the described Complete basic lighting At dusk and in the dark additional lights, especially ceiling lights the described Complete basic lighting.
  • already for Available control options can be within the scope of such a lighting system can be used to the individual Components depending on the current illuminance to control so that a medium predetermined Illuminance level in the room is maintained.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
  • Lighting Device Outwards From Vehicle And Optical Signal (AREA)

Claims (9)

  1. Dispositif d'éclairage de pièce comportant un dispositif de déviation (3) passant à travers une baie de fenêtre d'une façade de bâtiment (1), placé au-dessus d'un champ de vision normal et comportant un premier dispositif réflecteur (31, 32) et un deuxième dispositif réflecteur (35, 36) destinés à diriger la lumière du jour et qui dirigent sans éblouissement la lumière du jour dans la pièce, et au moins une source de lumière artificielle (4) placée à proximité du dispositif de déviation et complétant ou éventuellement remplaçant la lumière du jour, caractérisé par le fait que le dispositif de déviation comprend sur le côté d'entrée de la lumière un concentrateur de rayonnement formé d'un premier dispositif réflecteur fixe en forme d'auge (31, 32) s'étendant près du plafond verticalement et incliné sur la verticale, dont l'axe longitudinal est horizontal et auquel se joint directement sur le côté de sortie de la lumière un deuxième dispositif réflecteur (35, 36) s'ouvrant en direction du plafond de la pièce et comportant deux surfaces réfléchissantes courbes (35, 36) dont une est une goulotte de plafond (35) faisant un angle aigu avec la verticale, et que la source de lumière artificielle (4), masquée dans la direction du regard et associée dans l'espace au deuxième dispositif réflecteur, est placée relativement à la surface réfléchissante de celui-ci formant goulotte de plafond de façon telle que la partie lumière du jour et la partie lumière artificielle tombent sur celle-ci dans la même direction de rayonnement principal et soient réfléchies vers un plafond de pièce (2).
  2. Dispositif d'éclairage de pièce selon la revendication 1, caractérisé par le fait que le premier dispositif réflecteur (31, 32) présente sur le côté d'entrée de la lumière au moins une surface réfléchissante (32) de section parabolique qui focalise la lumière du jour incidente sur une surface de concentration (34) et à laquelle se joint, vue dans la direction de passage de la lumière, en face d'elle à distance de la surface de concentration, une surface de déviation (36) du deuxième dispositif réflecteur (35, 36) qui commence à la surface de concentration (34) comme surface partielle courbe (361) courbée en sens contraire de la surface réfléchissante (32) qui focalise la lumière du jour, se poursuit par une surface partielle plane (362) se joignant tangentiellement à la précédente, inclinée vers le plafond (2) de la pièce et faisant un angle aigu avec l'horizontale, et se termine par un bord anti-éblouissement (363) relevé par rapport à la surface précédente.
  3. Dispositif d'éclairage de pièce selon la revendication 2, caractérisé par le fait que le premier dispositif réflecteur (31, 32), associé au côté d'entrée de la lumière, présente une section doublement parabolique avec deux surfaces réfléchissantes (31, 32) dont les foyers (F1, F2) se trouvent chacun sur l'autre surface réfléchissante et coïncident avec les points de bord de la surface de concentration (34).
  4. Dispositif d'éclairage de pièce selon l'une des revendications 2 et 3, caractérisé par le fait qu'à la forme à section parabolique de la surface réfléchissante ou des surfaces réfléchissantes (31, 32) du premier dispositif réflecteur (31, 32) est superposée une structure fine destinée à réduire les différences locales de luminance.
  5. Dispositif d'éclairage de pièce selon l'une des revendications 2 et 3, caractérisé par le fait que la surface de concentration (34) du premier dispositif réflecteur (31, 32) est formée d'une surface produisant une transmission diffuse.
  6. Dispositif d'éclairage de pièce selon l'une des revendications 1 à 5, caractérisé par le fait que la surface de déviation (36) du deuxième dispositif réflecteur (35, 36) produit une réflexion diffuse sur son côté supérieur dirigé vers le plafond (2) de la pièce.
  7. Dispositif d'éclairage de pièce selon la revendication 6, caractérisé par le fait que la surface de déviation (36) du deuxième dispositif réflecteur (35, 36) produit une transmission diffuse dans sa partie d'extrémité qui contient le bord anti-éblouissement (363).
  8. Dispositif d'éclairage de pièce selon l'une des revendications 1 à 7, caractérisé par le fait que la ou chaque source de lumière artificielle (4) est placée au pied de la surface réfléchissante du deuxième dispositif réflecteur (35, 36) constituant une goulotte de plafond (35) et est parallèle à l'axe longitudinal du deuxième dispositif réflecteur.
  9. Dispositif d'éclairage de pièce selon l'une des revendications 1 à 7, caractérisé par le fait que la ou chaque source de lumière artificielle (4) est placée sur le côté supérieur, dirigé vers le plafond (2) de la pièce, de la surface de déviation (36) du deuxième dispositif réflecteur (35, 36) dans la zone de transition entre la partie de surface plane (362) de ce deuxième dispositif et le bord anti-éblouissement (363) et parallèlement à l'axe longitudinal du réflecteur.
EP96115077A 1996-09-19 1996-09-19 Dispositif pour l'éclairage d'une pièce Expired - Lifetime EP0831272B1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
AT96115077T ATE227821T1 (de) 1996-09-19 1996-09-19 Raumbeleuchtungsanordnung
EP96115077A EP0831272B1 (fr) 1996-09-19 1996-09-19 Dispositif pour l'éclairage d'une pièce
DE59609872T DE59609872D1 (de) 1996-09-19 1996-09-19 Raumbeleuchtungsanordnung

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP96115077A EP0831272B1 (fr) 1996-09-19 1996-09-19 Dispositif pour l'éclairage d'une pièce

Publications (2)

Publication Number Publication Date
EP0831272A1 EP0831272A1 (fr) 1998-03-25
EP0831272B1 true EP0831272B1 (fr) 2002-11-13

Family

ID=8223199

Family Applications (1)

Application Number Title Priority Date Filing Date
EP96115077A Expired - Lifetime EP0831272B1 (fr) 1996-09-19 1996-09-19 Dispositif pour l'éclairage d'une pièce

Country Status (3)

Country Link
EP (1) EP0831272B1 (fr)
AT (1) ATE227821T1 (fr)
DE (1) DE59609872D1 (fr)

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0200876B1 (fr) * 1985-04-30 1988-11-02 Siemens Aktiengesellschaft Disposition pour l'éclairage d'un local à la lumière du jour
ATE122772T1 (de) * 1989-02-28 1995-06-15 Helmut Koester Lichtlenksystem für die beleuchtung eines innenraums.

Also Published As

Publication number Publication date
EP0831272A1 (fr) 1998-03-25
ATE227821T1 (de) 2002-11-15
DE59609872D1 (de) 2002-12-19

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