EP0767341B1 - Raumbeleuchtungsanordnung mit Tages- und Kunstlicht - Google Patents
Raumbeleuchtungsanordnung mit Tages- und Kunstlicht Download PDFInfo
- Publication number
- EP0767341B1 EP0767341B1 EP95114064A EP95114064A EP0767341B1 EP 0767341 B1 EP0767341 B1 EP 0767341B1 EP 95114064 A EP95114064 A EP 95114064A EP 95114064 A EP95114064 A EP 95114064A EP 0767341 B1 EP0767341 B1 EP 0767341B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- room
- daylight
- lighting system
- light source
- room lighting
- 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
- 238000005286 illumination Methods 0.000 title claims 3
- 230000005855 radiation Effects 0.000 claims abstract description 26
- 230000000007 visual effect Effects 0.000 claims 2
- 230000005540 biological transmission Effects 0.000 claims 1
- 239000013589 supplement Substances 0.000 claims 1
- 238000009826 distribution Methods 0.000 description 15
- 230000004438 eyesight Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 2
- 230000004313 glare Effects 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 238000000149 argon plasma sintering Methods 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 230000003760 hair shine Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
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- 230000004962 physiological condition Effects 0.000 description 1
- 238000005488 sandblasting Methods 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 230000036642 wellbeing Effects 0.000 description 1
Images
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
-
- 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 system according to the preamble of claim 1.
- an artificial lighting component Spotlights provided.
- This strongly bundled, radiant light source is also directed against the reflector elements.
- Indirect lighting is thus implemented using of secondary reflectors, both daylight as well as distributing the artificial light in the room. Except from sharing these secondary reflectors for the distribution of daylight as well as artificial light is considered an advantage of this known solution that the light generation and the light distribution are spatially decoupled is, for the light distribution with the flat secondary reflectors practically no additional construction volume was expended must become.
- the selected light distribution leaves a relatively permissive placement of the artificial Light source (s) too.
- artificial light sources can preferably be one of the room walls can be arranged, which in particular installation advantages offers.
- a room lighting arrangement is known from German patent specification 631 798 known according to the preamble of claim 1. With this arrangement there is a reflective one in a facade opening Deflection element provided, which the daylight in essential to the ceiling of a room or to dazzle avoid going to the side walls above a certain height reflected.
- An artificial light source is near the Deflection device arranged and also radiates the ceiling and / or the upper region of the side walls so that the Room is illuminated indirectly.
- an artificial light source suspended from the ceiling use which is shielded down by a reflector screen is which is simultaneously the light of the light source reflected to the ceiling.
- the present invention has for its object a room lighting arrangement of the type mentioned to create a further embodiment with the one hand Available daylight - based on the facade opening - With the highest possible efficiency in the illuminating room is directed without losing the space users are blinded by the incidence of daylight and with which it is also possible to create an artificial Combine room lighting so that users of this Room under all lighting conditions always the impression natural lighting is conveyed.
- the room lighting arrangement according to the invention can be in one room to be illuminated in particular so arranged that it extends through an opening in the facade, the Deflection device is arranged above the viewing area and directs daylight into the room without glare.
- the Deflection device is arranged above the viewing area and directs daylight into the room without glare.
- the Artificial light source integrated into the radiation concentrator in this way is that their light exit opening parallel to the Light exit surface of the radiation concentrator is.
- the Shovel-like deflection element is preferred arranged below the light exit surface so that it extends over the horizontal length of the light exit surface and in this essentially vertical direction in the extends into the illuminated room.
- trough-shaped radiation concentrator can be in the room in particular with its longitudinal axis in a horizontal Direction and thus extend perpendicular and transverse to the spatial axis and be fixed in the vicinity of the ceiling.
- the one for the basic lighting of the room at least one required at dusk and in the dark Artificial light source is then arranged so that the main directions of emission the light exit surface of the radiation concentrator and the artificial light source.
- This The requirement can be met because the daylight component is also by bundling the light over a preferably in a vertical Directed minimized area irradiated into the room becomes. It follows that both daylight and the artificial light component for the basic lighting of the room shine in from the same direction. Consequently you have it with an appropriate lighting design the artificial light source in hand, so on the Adjust daylight lighting that even with completely different Lighting conditions for users of the Space due to the constant light distribution unchanged room impression is preserved.
- Figure 1 is the principle of an indirect room lighting arrangement shown, essentially in the facade area a room is arranged.
- a house facade 1 is simplified reproduced as a vertical line, as is the ceiling 2 of a room to be illuminated only as a horizontal one Line indicated.
- the house facade 1 is near the ceiling 2 perforated to a deflection device 3 for daylight to record, to initiate into the room to be illuminated is.
- This deflection device 3 is trough-shaped and extends with its longitudinal axis 31 (see in particular Figure 3) in the horizontal direction across the room width.
- she comprises a arranged on the light entry side, in Cross-section parabolic, outward opening radiation concentrator 32 with an aperture angle ⁇ .
- the wall area near the ceiling near the window is now also available as artificial light source integrates at least one lamp 6, which, for example, as a luminaire for compact fluorescent lamps is formed, as shown in Figure 1.
- This lamp 6 is in the deflection device 3 arranged such that it produces and emitted through its light exit opening Light is emitted in the same solid angle range as daylight, as will be shown in more detail.
- the deflection device described above is in FIG 3 for daylight for this purpose.
- the radiation concentrator 32 corresponds in its Design of known passive, that is to say stationary, cannot track the current position of the sun Solar panels. It has two parabolic designs Reflector surfaces 321 and 322 on between a light entry surface A1 and a concentrator area A2 spanned are. The intersection of the A2 concentrator surface the two reflector surfaces 321 and 322 coincide with the respective ones Focal points F1 and F2 of the opposite Reflector surface 321 or 322 together. Because of this design principle the corresponding beam path results for the incident light rays shown as examples 40. With a relatively large aperture angle ⁇ lets the incident daylight on the surface Bundle minimized concentrator area A2.
- the aperture angle ⁇ of the radiation concentrator 32 in this example is approximately 60 °.
- the deflection device 3 is used as a fixed arrangement preferably arranged in the facade area so that the light entry surface A1 - measured from the nadir - an angular range from 10 ° to 70 ° to the highest possible proportion direct sunlight, but of course also diffuse Capture daylight.
- the concentrator area lies under the irradiation conditions mentioned A2 is not as inclined as it is in itself for the spatial distribution of what passes through it Light would be required. Therefore close the lower edge of the concentrator area A2 the deflecting surface designed as a circular section in its profile 33 at. The center of this coincides with the focal point F2 of the second reflector surface 322 together, their radius R then identical to the distance between the two focal points F1 and F2 is. Between the inner edge of the deflection surface 33 and the inner edge of the one reflector surface 321 results thus the light exit surface A3 of the deflection device 3.
- the length of the circular section of the deflection surface 33 chosen so that the normal to this light exit surface A3, inclined at a small angle against the ceiling 2 is.
- the longitudinal edge lies approximately parallel to this normal the anti-dazzle element 34, this one preferably has a satin reflective surface. In the direction of the normal to the light exit surface A3 Deflection device 3 is thus the main direction of radiation 51 defined.
- the Luminaire 6 as an artificial light source of the room lighting arrangement, this lamp 6 probably in Figure 1, for reasons However, the clarity is not shown in Figure 2 is.
- the lamp 6 is in the profile of the deflection device 3 arranged such that its light exit opening of the light exit surface A3 is parallel, preferably immediately lies in this. So you have it in your hand, the lamp 6 to optimize in terms of their charisma, that the light she emits is distributed similarly is how the supplied via the deflection device 3 to the room Daylight component, preferably focusing on high Sun positions relates.
- Figure 3 is now to clarify their spatial arrangement the room lighting arrangement described with reference to Figure 1 shown in a schematic in three-dimensional form.
- This illustration clarifies the regarding the house facade 1 horizontal, with its longitudinal axis 31 essentially extending across the width of the room to be illuminated, Trough-shaped deflection device 3.
- Figure 3 shows Figure 3 that for the relatively close to the ceiling deflector 3 only a perfectly acceptable part of the total room height is needed, although this room lighting arrangement optimized as much daylight as possible capture and direct it into areas far from the facade. For room heights such as those found in conventional office spaces are given, this room lighting arrangement is already no longer in the direct field of vision of people working in the room People and is therefore relatively inconspicuous.
- Figure 4 is now one of Figure 1 corresponding Sectional view of another embodiment for the Room lighting arrangement shown. It clarifies regarding the deflection device 3 on the one hand that it is not in itself it is necessary that their reflector surfaces, in particular the reflector surface 322 he reach the house facade 1.
- the shortening of the lower reflector surface 322 means in this case that a certain proportion of the very high Irradiation angles of upcoming daylight are not captured becomes. In general, however, this does not mean any drastic Irradiation loss, which is also offset by the advantage will that any unwanted protrusions in the house facade 1 can be avoided.
- a point light 6 ' is used.
- This too Luminaire has a luminaire reflector that is related to your Illuminant on the side facing away from the light exit opening Side is arranged. This is designed so that all light generated by the light source through the in the Light exit surface A3 of the room lighting arrangement Light exit opening of the lamp, not partially is emitted to the outside by the deflection device 3.
- the light exit opening is also provided the point light 6 'through a cover plate to cover.
- Figures 5, 6 and 7 now illustrate schematically in three examples the light-directing function of the Deflection device 3, here in particular with regard to the Daylight component.
- the three representations are to be understood that they each relate to a proportion of daylight, the at a defined acceptance angle in the Deflection device 3 is irradiated.
- Figures 5, 6 7 are these different irradiation conditions by the corresponding arrow direction for the respective considered Daylight components 41, 42 and 43 reproduced.
- FIGS. 5, 6 or 7 In comparison with one another, FIGS. 5, 6 or 7 following.
- One at a relatively low angle radiated daylight component 41 is on a relatively limited area of the ceiling 2 distributed, which neither in the room depth nor in the area directly facing the deflection device 3 enough.
- a daylight component 42 of approximately medium height Direction of radiation is the light introduced, in Figure 6 shown, already fanned out much further to the Blasted ceiling 2.
- Figure 7 shows that of areas of the room ceiling 2 which are distant from the house facade 1, if necessary, a wall that limits the depth of the room can all be achieved by daylight components 43 that into the deflection device 3 at a high acceptance angle come to mind.
- these examples demonstrate one of the angle of incidence dependent distribution characteristic of the deflection device 3. This can be counteracted, for example, by the parabolic curvatures of the reflector surfaces 321 and 322 superimposed on a fine structure.
- Such a structuring of the reflector surfaces 321, 322, for example in the form of a Groove structure leads to additional reflections of the irradiated Light that is desired in the present case are to by a scattering portion of that by the concentrator area passing light its directional dependence belittling.
- a diffuser instead of structuring the reflector surfaces but it would also be conceivable in the concentrator area A2 use a diffuser. An associated certain loss of light is by far by the Uniformity of what passes through the concentrator surface Light balanced.
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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)
Description
Claims (12)
- Raumbeleuchtungsanordnung mit einer Umlenkeinrichtung (3) für Tageslicht (4) zur Anordnung in einer Öffnung in einer Fassade (1) oberhalb des normalen Sichtbereiches, so daß das Tageslicht blendungsfrei in den Raum lenkbar ist, mit mindestens einer Kunstlichtquelle (6, 6'), die den Tageslichtanteil auf eine für Benutzer des Raumes unauffällige Weise ergänzt, gegebenenfalls ersetzt, mit einem unterhalb der Lichtaustrittsfläche (A3) angeordneten, sich über deren horizontalen Länge und in dazu im wesentlichen senkrechter Richtung erstreckenden, schaufelartig ausgebildeten Abblendelement (34), dadurch gekennzeichnet, daß die Umlenkeinrichtung für das Tageslicht als ein Strahlungskonzentrator (3) ausgebildet ist, der eine wirksame Lichteintrittsfläche (A1) auf eine dazu relativ kleine Lichtaustrittsfläche (A3) reduziert, daß die mindestens eine Kunstquelle (6, 6') in den Strahlungskonzentrator derart integriert ist, daß die Hauptstrahlungsrichtungen (51) des durch die Umlenkeinrichtung (3) hindurchtretenden Tageslichtes und der Kunstlichtquelle im wesentlichen übereinstimmen.
- Raumbeleuchtungsanordnung nach Anspruch 1, dadurch gekennzeichnet, daß der Strahlungskonzentrator (3) zur festen Anordnung in der Nähe einer Decke als eine trogförmig ausgebildete, sich mit ihrer Längsachse (31) in horizontaler Richtung erstreckende Reflektoreinrichtung (32, 33) ausgebildet ist.
- Raumbeleuchtungsanordnung nach Anspruch 2, dadurch gekennzeichnet, daß der Strahlungskonzentrator (3)im Querschnitt auf der Lichteintrittsseite mindestens eine parabelförmig ausgebildete, einstrahlendes Tageslicht (4) auf eine Konzentratorfläche (A2) bündelnde Reflektorfläche (321) aufweist, an die sich, in Lichtdurchtrittsrichtung gesehen, dieser Reflektorfläche im Abstand der Konzentratorfläche gegenüberliegend eine als Kreisabschnitt geformte, der Reflektorfläche entgegengesetzt gewölbte und durch die Lichtaustrittsfläche (A3) begrenzte Umlenkfläche (33) anschließt.
- Raumbeleuchtungsanordnung nach Anspruch 3, dadurch gekennzeichnet, daß der Strahlungskonzentrator (3) auf der Lichteintrittsseite einen doppelt parabelförmigen Querschnitt mit zwei Reflektorflächen (321, 322) aufweist, deren Brennpunkte (F1 bzw. F2) jeweils auf der anderen Reflektorfläche liegend mit den Randpunkten der Konzentratorfläche (A2) zusammenfallen.
- Raumbeleuchtungsanordnung nach einem der Ansprüche 3 oder 4, dadurch gekennzeichnet, daß der im Querschnitt parabelförmigen Ausgestaltung der Reflektorfläche(n) (321 bzw. 321, 322) des Strahlungskonzentrators (3) eine Feinstruktur überlagert ist.
- Raumbeleuchtungsanordnung nach einem der Ansprüche 3 oder 4, dadurch gekennzeichnet, daß die Konzentratorfläche (A2) des Strahlungskonzentrators (3) als diffus transmittierende Fläche ausgebildet ist.
- Raumbeleuchtungsanordnung nach einem der Ansprüche 1 bis 6, dadurch gekennzeichnet, daß das Abblendelement (34) auf seiner der Raumdecke (2) zugekehrten Oberseite diffus reflektierend sowie in der sich in den Raum hinein erstreckenden Richtung die Lichtaustrittsfläche (A3) der Umlenkeinrichtung (3) im Sichtbereich von Benutzern des Raumes vollkommen verdeckend ausgebildet ist.
- Raumbeleuchtungsanordnung nach einem der Ansprüche 1 bis 7, dadurch gekennzeichnet, daß die Lichtaustrittsöffnung der mindestens einen Kunstlichtquelle (6, 6') in der Ebene der Lichtaustrittsfläche (A3) des Strahlungskonzentrators (3) liegt.
- Raumbeleuchtungsanordnung nach einem der Ansprüche 1 bis 8, dadurch gekennzeichnet, daß die mindestens eine Kunstlichtquelle (6. 6') als eine linienförmige Leuchte ausgebildet ist, für die als Leuchtmittel eine Leuchtstofflampe, vorzugsweise eine Kompaktleuchtstofflampe vorgesehen ist.
- Raumbeleuchtungsanordnung nach einem der Ansprüche 1 bis 8, dadurch gekennzeichnet, daß die mindestens eine Kunstlichtquelle als eine im wesentlichen punktförmige Lichtquelle (6') ausgebildet ist.
- Raumbeleuchtungsanordnung nach einem der Ansprüche 1 bis 10, dadurch gekennzeichnet, daß die mindestens eine Kunstlichtquelle (6, 6') einen Leuchtenreflektor (z. B. 61) aufweist, der in bezug auf das Leuchtmittel auf der der Lichtaustrittsöffnung abgekehrten Seite angeordnet ist.
- Raumbeleuchtungsanordnung nach einem der Ansprüche 1 bis 11, dadurch gekennzeichnet, daß die mindestens eine Kunstlichtquelle (6, 6') eine in ihre Lichtaustrittsöffnung eingesetzte, diffus transmittierende Abdeckscheibe (z. B. 62) aufweist.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE59507392T DE59507392D1 (de) | 1995-09-07 | 1995-09-07 | Raumbeleuchtungsanordnung mit Tages- und Kunstlicht |
| EP95114064A EP0767341B1 (de) | 1995-09-07 | 1995-09-07 | Raumbeleuchtungsanordnung mit Tages- und Kunstlicht |
| AT95114064T ATE187537T1 (de) | 1995-09-07 | 1995-09-07 | Raumbeleuchtungsanordnung mit tages- und kunstlicht |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP95114064A EP0767341B1 (de) | 1995-09-07 | 1995-09-07 | Raumbeleuchtungsanordnung mit Tages- und Kunstlicht |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP0767341A1 EP0767341A1 (de) | 1997-04-09 |
| EP0767341B1 true EP0767341B1 (de) | 1999-12-08 |
Family
ID=8219590
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP95114064A Expired - Lifetime EP0767341B1 (de) | 1995-09-07 | 1995-09-07 | Raumbeleuchtungsanordnung mit Tages- und Kunstlicht |
Country Status (3)
| Country | Link |
|---|---|
| EP (1) | EP0767341B1 (de) |
| AT (1) | ATE187537T1 (de) |
| DE (1) | DE59507392D1 (de) |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE631798C (de) * | 1933-02-22 | 1936-06-26 | Therese Junkers Geb Bennhold | Einrichtung zur Raumbeleuchtung mit Tages- und kuenstlichem Licht, insbesondere mit beiden Lichtarten gleichzeitig |
| ATE38422T1 (de) | 1985-04-30 | 1988-11-15 | Siemens Ag | Anordnung zur ausleuchtung eines raumes mit tageslicht. |
| US4593976A (en) * | 1985-05-22 | 1986-06-10 | Bennett, Ringrose, Wolsfeld, Jarvis, Gardner, Inc. | Solar illumination device |
| EP0461137B1 (de) * | 1989-02-28 | 1995-05-17 | Helmut KÖSTER | Lichtlenksystem für die beleuchtung eines innenraums |
| DE4222705C2 (de) | 1992-07-10 | 1996-04-04 | Bartenbach Christian | Reflektorelement, Reflektorelementanordnung und Raumbeleuchtungsanordnung |
| DE4335446C2 (de) * | 1993-10-18 | 1996-12-19 | Koester Helmut | Beleuchtungssystem |
-
1995
- 1995-09-07 AT AT95114064T patent/ATE187537T1/de not_active IP Right Cessation
- 1995-09-07 DE DE59507392T patent/DE59507392D1/de not_active Expired - Fee Related
- 1995-09-07 EP EP95114064A patent/EP0767341B1/de not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| EP0767341A1 (de) | 1997-04-09 |
| DE59507392D1 (de) | 2000-01-13 |
| ATE187537T1 (de) | 1999-12-15 |
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