CN101169227B - Recessed lighting fixture for the uniform lighting of walls - Google Patents
Recessed lighting fixture for the uniform lighting of walls Download PDFInfo
- Publication number
- CN101169227B CN101169227B CN2007101678159A CN200710167815A CN101169227B CN 101169227 B CN101169227 B CN 101169227B CN 2007101678159 A CN2007101678159 A CN 2007101678159A CN 200710167815 A CN200710167815 A CN 200710167815A CN 101169227 B CN101169227 B CN 101169227B
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- CN
- China
- Prior art keywords
- wall
- illuminating equipment
- reflecting wall
- ceiling
- floor
- 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.)
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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
- F21V7/0025—Combination of two or more reflectors for a single light source
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S8/00—Lighting devices intended for fixed installation
- F21S8/02—Lighting devices intended for fixed installation of recess-mounted type, e.g. downlighters
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
- Fastening Of Light Sources Or Lamp Holders (AREA)
- Securing Globes, Refractors, Reflectors Or The Like (AREA)
- Vessels And Coating Films For Discharge Lamps (AREA)
Abstract
A lighting fixture (10) is described, of the type which is recess-installable on a wall (P), on a ceiling (S) or on a floor, comprising at least one light source (14) operatively connected to a casing (18) provided with a substantially flat outer perimeter edge (20), shaped for lying on the same plane as the wall (P), ceiling (S) or floor on which the fixture (10) is recessed. The outer perimeter edge (20) surrounds and defines at least one outlet mouth (30) through which the light beam emitted by the light source (14) exits. At the outer perimeter edge (20) of the casing (18) is provided at least one first substantially flat reflecting wall (24) which at least partially blocks the outlet mouth (30), the first reflecting wall (24) deflecting part of the light rays emitted by the light source (14) in order to direct them towards at least one second reflecting wall (26) which at least partially covers the inner side surface of the casing (18). The second reflecting wall (26) is tilted with respect to the first reflecting wall (24) by a predefined angle (+-) in order to direct the deflected light ray part in a direction nearly parallel to the wall (P), to the ceiling (S) or to the floor on which the fixture (10) is recessed.
Description
Technical field
Present invention relates in general to lighting device, especially relate to a kind of recessed lighting fixture of be used for throwing light on equably vertical and/or horizontal wall.
Background technology
Be known that the working flare or the equipment that are installed in embeddedly on wall, ceiling or the false ceiling have produced the effect of shadow of not complying with one's wishes usually on illuminated wall.Particularly, formed light " band ", it has determined not surround, and light source is far away more to become more and more obvious along with leaving.
These shadow districts are determined by the architectural feature of the illuminating equipment that is adopted on how much: the hidden area of wall surface for light is dark all the time, and the irradiated light quantity in free zone is quite big.Like this, at shade with illuminate between the part and just formed one and be similar to parabolical boundary line usually.
In order to reduce above-mentioned effect, adopt more recessed lighting fitting sometimes, their pitch arrangement to reduce be the same and want illuminated wall, but shortcoming are also clearly, because increased installation cost and energy consumption is bigger.
In addition, there is certain distance in illuminated district apart from the mouth of illuminating equipment unavoidably, thereby makes illuminating equipment itself seem farther apart from illuminated district than actual distance.In other words, for example with regard to embedded overhead illumination equipment, the apparent altitude of illuminating equipment is certainly greater than its actual height.In addition, just adopt more illuminating equipment to address this is that.
Therefore, knownly provide a kind of lamp in order to overcome above-mentioned shortcoming, the individual reflection wall has been installed in lamp self the place ahead.The function of this reflecting wall is towards the regional guidance that is in usually the shade a part of light that penetrates from lamp.
Even solved described problem at least in part, but a kind of like this shortcoming of scheme is, need be for lamp body extra parts, and they are outstanding from the embedded ceiling of lamp itself, wall or floor more or less, and aesthetic property is obviously bad.
Summary of the invention
Therefore, the purpose of this invention is to provide a kind of recessed lighting fixture, it is wall, ceiling or the floor guided into of illuminating bundle as far as possible equably, has eliminated near the shadow zone side and the light source.
Another object of the present invention provides a kind of recessed lighting fixture without any projecting part, thereby perfectly concordant with respect to the plane of its embedded wall or ceiling.
Another object of the present invention provides a kind of recessed lighting fixture, and it is designed for multiple installation, guarantees best as far as possible illuminating effect with minimum flank lamp simultaneously, thereby makes the most effective of whole illuminator and reduced cost.
These purposes according to the present invention realize by the described recessed lighting fixture of claim 1.
Further feature of the present invention is pointed out in the dependent claims.
Description of drawings
By the following exemplary and nonrestrictive description of carrying out with reference to accompanying drawing, will be clearer according to the feature and advantage of recessed lighting fixture of the present invention, wherein:
Fig. 1 is the sectional view according to an embodiment of recessed lighting fixture of the present invention;
Fig. 2 is the schematic section of the illuminating equipment of Fig. 1, and this illuminating equipment is installed effectively, has wherein shown the course for ceiling, wall or the floor that light beam installs with respect to illuminating equipment;
Fig. 3 is the schematic section of the illuminating equipment of Fig. 2, has wherein shown wall that light beam is installed with respect to illuminating equipment and with respect to the course for second wall of first wall;
Fig. 4 is the perspective view of a member of Fig. 1 illuminating equipment, has wherein shown the route that leaves by the emitted a part of light beam of illuminating equipment itself.
The specific embodiment
Especially with reference to Fig. 1, schematically illustrate an embodiment of recessed lighting fixture with vertical cross-section diagram, this recessed lighting fixture is represented with Reference numeral 10 on the whole.
This illuminating equipment 10 consists essentially of optical space 12, and at least one light source 14 is installed in it, and light source 14 has photophore bulb 16, for example discharge lamp or incandescent lamp.In illustrative example, utilize then one or more known fixture (not shown) optical space 12 fix in position on the cover 18 in optical space 12 downstreams own.So the whole illuminating equipment 10 that constitutes also suitably has other fixture (not shown), so that attach it on recessed wall, ceiling and/or the floor, or is installed in a word on any one flat substantially surface.
Another embodiment that does not show with reference to the accompanying drawings, optical space 12 can also form with cover 18, rather than is fixed on the cover 18.
More properly, be used from telescopically insertion ceiling or the wall P of false ceiling S or the cover 18 in the (not shown) of floor together with optical space 12 1 and have flat substantially neighboring 20, it sees from the outside and keeps as seen, and is configured as with embedded wall P, ceiling S or the floor of illuminating equipment 10 in the same plane.The neighboring 20 of cover 18 surrounds and defines outlet 30, and the light that light source 14 is launched penetrates by this outlet 30.
In cover 18, thereby with respect to outlet 30 and for wall P, ceiling S or floor for variable range and gradient be provided with (or not being provided with) one or more transparent screens 22, glass plate for example coloured, muted color, sandblast or lens type, they place between light source 14 and the described outlet 30.
According to the present invention, neighboring 20 at cover 18 is provided with at least one the first flat substantially reflecting wall or sheet 24, this reflector plate 24 is all in the same plane with wall P, ceiling S or floor that neighboring 20 and illuminating equipment 10 are installed in active position thereon, and described reflector plate 24 blocks outlet 30 at least in part.
In this special embodiment that describes, wherein, the outlet 30 of illuminating equipment 10 is circle or oval basically, and reflector plate 24 is made into circle segments or arc, and size is suitable, with the illuminating effect that obtains to want.What estimate is that under the situation that does not depart from protection domain of the present invention, thereby by shape and size that change outlet 30 and the shape and size that change whole illuminating equipment 10, the shape and size of reflector plate 24 also will change.
The function of reflector plate 24 is that deflection is sent by bulb 16 and will be from exporting the 30 a part of light that penetrate, with the light of deflection to 26 guiding of second reflecting wall, this second reflecting wall 26 is the inner surface of cover 18 at least in part.The form of reflector plate 24 (being arc in the non-limiting example that Fig. 4 provides especially) allows light quantity distribution, so that obtain the most uniform as far as possible illuminating effect on wall P, ceiling S or floor.
In the practice, because reflecting wall 26, reflector plate 24 and when the synergy that has when shielding 22 have obtained the even distribution of light on wall P, ceiling S or floor.
According to the beam distribution that cover 18 shape and size and hope obtain, the surface of second reflecting wall 26 can be flat or curved, and can cover the expansion more or less of 18 self inner surface.
Therefore, exist in the time of owing to reflecting wall 24 and 26, a part of light that light source 14 is sent directly leaves from the outlet of illuminating equipment 10, and as in the recessed lighting fitting of known type, and remaining light reclaims and reflexes on the reflective side walls 26 from plain film 24.
Suitable is, thereby reflecting wall 26 is with respect to the predetermined angle [alpha] that also tilts for the plane on illuminating equipment 10 effective ceiling S, wall P that install or floor for the reflector plate 24, thereby permission guides the light quantity that reclaims on the direction on the surface that almost is parallel to ceiling S for example shown in Figure 2.
By this way, almost can fully illuminate by the recessed lighting fixture of known type formed ceiling S that illuminating equipment 10 is installed and illuminating equipment 10 send that light beam is directed into perpendicular to the wall P of ceiling S between the shadow region (band) of junction, just as for example shown in Fig. 3 schematic diagram.
According to experiment, in order to guarantee to adopt illuminating equipment 10 according to the present invention to obtain especially effectively illumination, can relative to each other tilt between the part of definite plain film 24 and reflecting wall 26 with angle [alpha], the scope of α is from 90 ° to 160 °.
At last, on the inner surface part of the cover 18 relative, opaque wall 28 can be set, to prevent to form veiling glare with reflecting wall 26.The elongation of opaque wall 28 depend on basically cover 18 and therefore light source 14 with respect to the gradient on the plane of ceiling S, and the overall dimension of illuminating equipment 10.Find in the practice that for the small size lamp, the existence of opaque wall 28 has improved the euphorosia of illuminating equipment, has reduced discomfort glare, and also can not have such wall for bigger lamp.
Therefore should understand, recessed lighting fixture according to the present invention has been realized above-mentioned purpose, a kind of like this lamp particularly is provided, it is ideally concordant with its embedded wall, ceiling or floor, and owing to suitably arrange and the relative to each other synergy of the reflecting wall of inclination, this lamp can reduce the effect of shadow of (or even almost eliminating) traditional recessed lighting fitting greatly.Because illuminating equipment does not have projecting part and/or additional attachments fully from one's body, thereby has obtained dual advantage, has promptly improved the efficient of illuminating equipment, guarantee to have realized aesthetic simultaneously.
In addition, the existence that hides the reflector plate flat, that expand more or less of beam outlet at least in part also helps improving covering of illuminating equipment, and limits undesired high light effect.
So the recessed lighting fixture of the present invention of design can have multiple modification and modification, all belongs to identical inventive concept; In addition, all details all can be replaced by technical equivalent.
In the practice, used material and size can be any types according to concrete specification requirement.
Claims (11)
1. one kind can embed and is installed to wall (P), illuminating equipment (10) on ceiling (S) or the floor, comprise the light source (14) that at least one links to each other with cover (18) workability ground, cover (18) has flat substantially neighboring (20), this neighboring is configured as the wall (P) embedded with described illuminating equipment (10), ceiling (S) or floor are on the same level, described neighboring (20) surrounds and defines at least one outlet (30), the light beam that described light source (14) is sent penetrates by this outlet, it is characterized in that, be provided with at least one flat substantially first reflecting wall (24) in the described neighboring (20) of described cover (18), this first reflecting wall blocks described outlet (30) at least in part, a part of light deflection that described first reflecting wall (24) will be sent by described light source (14), so that this part light is guided towards at least one second reflecting wall (26), this second reflecting wall covers the inner surface of described cover (18) at least in part, described second reflecting wall (26) is with respect to described first reflecting wall (24) predetermined oblique angle (α), so that described part light almost is being parallel to the embedded described wall (P) of described illuminating equipment (10), the direction guiding on ceiling (S) or floor.
2. illuminating equipment according to claim 1 (10), it is characterized in that, when described illuminating equipment (10) embedding was installed in the operating position, described first reflecting wall (24) was positioned on the same level with described neighboring (20) and described wall (P), ceiling (S) or floor.
3. illuminating equipment according to claim 1 (10) is characterized in that, the scope of the described angle (α) between described first reflecting wall (24) and described second reflecting wall (26) is 90 ° to 160 °.
4. illuminating equipment according to claim 1 (10), it is characterized in that, in described cover (18), be provided with one or more transparent screens (22), described one or more transparent screens (22) with respect to described outlet (30) thereby and be positioned at variable distance and gradient with respect to described wall (P), ceiling (S) or floor.
5. illuminating equipment according to claim 4 (10), it is characterized in that, described one or more transparent screen (22) cooperates with described first reflecting wall (24) and described second reflecting wall (26), so that described part light almost is being parallel to the direction guiding on the embedded described wall (P) of described illuminating equipment (10), ceiling (S) or floor.
6. illuminating equipment according to claim 4 (10) is characterized in that, described one or more transparent screens (22) are made of glass plate coloured, muted color, sandblast or lens type.
7. illuminating equipment according to claim 1 (10) is characterized in that, is provided with at least one opaque wall (28) on the inner surface part of the described cover (18) relative with described second reflecting wall (26), is used to prevent the formation of parasitic reflection.
8. illuminating equipment according to claim 7 (10), it is characterized in that, the elongation of described opaque wall (28) depends on the gradient of described light source (14) for described wall (P), ceiling (S) or floor plane of living in, and depends on the overall dimension of described illuminating equipment (10).
9. illuminating equipment according to claim 1 (10) is characterized in that, described first reflecting wall (24) is made circle segments or arc form.
10. illuminating equipment according to claim 1 (10) is characterized in that, the surface of described second reflecting wall (26) is flat.
11. illuminating equipment according to claim 1 (10) is characterized in that, bend on the surface of described second reflecting wall (26).
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| ITMI2006A002063 | 2006-10-26 | ||
| IT002063A ITMI20062063A1 (en) | 2006-10-26 | 2006-10-26 | RECESSED LUMINAIRE FOR UNIFORM LIGHTING OF WALLS |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101169227A CN101169227A (en) | 2008-04-30 |
| CN101169227B true CN101169227B (en) | 2011-09-21 |
Family
ID=38896647
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2007101678159A Active CN101169227B (en) | 2006-10-26 | 2007-10-26 | Recessed lighting fixture for the uniform lighting of walls |
Country Status (7)
| Country | Link |
|---|---|
| EP (1) | EP1916469B1 (en) |
| CN (1) | CN101169227B (en) |
| AT (1) | ATE467083T1 (en) |
| DE (1) | DE602007006266D1 (en) |
| ES (1) | ES2345949T3 (en) |
| IT (1) | ITMI20062063A1 (en) |
| NO (1) | NO20075414L (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ITFI20120057A1 (en) * | 2012-03-19 | 2013-09-20 | Iguzzini Illuminazione | REFLECTOR FOR LIGHTING EQUIPMENT INCLUDING MEANS OF ELIMINATING DISUNIFORMITY OF THE ILLUMINATION. |
| ITFI20130065A1 (en) * | 2013-03-26 | 2014-09-27 | Iguzzini Illuminazione | WALL WASHER TYPE LIGHTING APPARATUS. |
| JP6664422B2 (en) * | 2018-01-29 | 2020-03-13 | 三菱電機株式会社 | lighting equipment |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4855883A (en) * | 1986-05-21 | 1989-08-08 | Spitz Russell W | Fluorescent lighting apparatus |
| CN1774549A (en) * | 2003-04-16 | 2006-05-17 | 塔尔杰蒂桑基公司 | Embedded or ceiling-fitted illumination device with back reproducing decorative images |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4623956A (en) * | 1984-08-06 | 1986-11-18 | Conti Mario W | Recessed adjustable lighting fixture |
| DE4312380A1 (en) * | 1992-07-31 | 1994-02-03 | Siemens Ag | Radiation lamp with point or line type light source of high radiation intensity - has reflector partly enclosing light source designed symmetrical to given C90-270-plane of lamp also light outlet opening vertical to this C-plane defined by reflector |
| AU659399B3 (en) * | 1994-10-31 | 1995-05-11 | Australume (Solar) Pty Limited | An improved lighting arrangement |
| EP1007880A4 (en) * | 1996-06-10 | 2001-05-16 | Tenebraex Corp | Apparatus and methods for improved architectural lighting fixtures |
| US6234643B1 (en) * | 1999-09-01 | 2001-05-22 | Joseph F. Lichon, Jr. | Lay-in/recessed lighting fixture having direct/indirect reflectors |
| GB2378499A (en) * | 2001-08-10 | 2003-02-12 | Central Research Lab Ltd | A lamp for a projection system |
-
2006
- 2006-10-26 IT IT002063A patent/ITMI20062063A1/en unknown
-
2007
- 2007-10-23 AT AT07119104T patent/ATE467083T1/en not_active IP Right Cessation
- 2007-10-23 EP EP07119104A patent/EP1916469B1/en active Active
- 2007-10-23 ES ES07119104T patent/ES2345949T3/en active Active
- 2007-10-23 DE DE602007006266T patent/DE602007006266D1/en active Active
- 2007-10-25 NO NO20075414A patent/NO20075414L/en not_active Application Discontinuation
- 2007-10-26 CN CN2007101678159A patent/CN101169227B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4855883A (en) * | 1986-05-21 | 1989-08-08 | Spitz Russell W | Fluorescent lighting apparatus |
| CN1774549A (en) * | 2003-04-16 | 2006-05-17 | 塔尔杰蒂桑基公司 | Embedded or ceiling-fitted illumination device with back reproducing decorative images |
Also Published As
| Publication number | Publication date |
|---|---|
| EP1916469B1 (en) | 2010-05-05 |
| DE602007006266D1 (en) | 2010-06-17 |
| NO20075414L (en) | 2008-04-28 |
| CN101169227A (en) | 2008-04-30 |
| EP1916469A1 (en) | 2008-04-30 |
| ITMI20062063A1 (en) | 2008-04-27 |
| ES2345949T3 (en) | 2010-10-06 |
| ATE467083T1 (en) | 2010-05-15 |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |