EP1275898A2 - Luminaire d'intérieur avec éclairage indirect variable - Google Patents

Luminaire d'intérieur avec éclairage indirect variable Download PDF

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Publication number
EP1275898A2
EP1275898A2 EP02015522A EP02015522A EP1275898A2 EP 1275898 A2 EP1275898 A2 EP 1275898A2 EP 02015522 A EP02015522 A EP 02015522A EP 02015522 A EP02015522 A EP 02015522A EP 1275898 A2 EP1275898 A2 EP 1275898A2
Authority
EP
European Patent Office
Prior art keywords
light
component
luminaire according
lamp
luminaire
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
EP02015522A
Other languages
German (de)
English (en)
Other versions
EP1275898B1 (fr
EP1275898A3 (fr
Inventor
Joachim Leibig
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
Publication of EP1275898A2 publication Critical patent/EP1275898A2/fr
Publication of EP1275898A3 publication Critical patent/EP1275898A3/fr
Application granted granted Critical
Publication of EP1275898B1 publication Critical patent/EP1275898B1/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
    • F21V14/00—Controlling the distribution of the light emitted by adjustment of elements
    • F21V14/08—Controlling the distribution of the light emitted by adjustment of elements by movement of the screens or filters
    • 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
    • F21V13/00—Producing particular characteristics or distribution of the light emitted by means of a combination of elements specified in two or more of main groups F21V1/00 - F21V11/00
    • F21V13/12—Combinations of only three kinds of elements
    • 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
    • F21V14/00—Controlling the distribution of the light emitted by adjustment of elements
    • F21V14/04—Controlling the distribution of the light emitted by adjustment of elements by movement of reflectors
    • 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
    • F21V5/00—Refractors for light sources
    • F21V5/02—Refractors for light sources of prismatic shape
    • 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
    • F21V7/0016—Reflectors for light sources providing for indirect lighting on lighting devices that also provide for direct lighting, e.g. by means of independent light sources, by splitting of the light beam, by switching between both lighting modes
    • 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
    • F21S8/04—Lighting devices intended for fixed installation intended only for mounting on a ceiling or the like overhead structures
    • 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
    • F21V11/00—Screens not covered by groups F21V1/00, F21V3/00, F21V7/00 or F21V9/00
    • F21V11/08—Screens not covered by groups F21V1/00, F21V3/00, F21V7/00 or F21V9/00 using diaphragms containing one or more apertures
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21W—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO USES OR APPLICATIONS OF LIGHTING DEVICES OR SYSTEMS
    • F21W2131/00—Use or application of lighting devices or systems not provided for in codes F21W2102/00-F21W2121/00
    • F21W2131/40—Lighting for industrial, commercial, recreational or military use
    • F21W2131/402—Lighting for industrial, commercial, recreational or military use for working places
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
    • F21Y2103/00—Elongate light sources, e.g. fluorescent tubes

Definitions

  • the invention relates to interior lights that emit an indirect light component and have a device consisting of one or more elements with which one Indirect light emission can be limited, especially indoor lights where Light at least one lamp is coupled into a hollow light guide and via a light refractive Device coupled out of the light pipe for exit at a light exit surface becomes.
  • Such a lamp is for example from German patent application 100 11 378.8 known.
  • this luminaire only emits a fixed amount of indirect light.
  • parts of the housing and / or the reflective part Walls of the light pipe are replaced.
  • an interior light with at least a lamp which emits light directly through a light exit surface and a device for emitting an indirect light component, which is characterized in that the device for emitting an indirect light component has at least one adjustable device which, at least in a first setting, the delivery of an indirect Permitted light portion of the lamp and causes in at least one other setting that the indirect light component emitted by the luminaire has different properties than in the first Setting has and / or completely or partially suppressed the emission of an indirect light component becomes.
  • Said adjustable device can be an element whose optical effect in the Beam path of the indirect light component is variable. While currently under consideration drawn embodiment mechanically movable elements, such as movable reflectors or the like can be considered, can also be provided according to the invention be that the adjustable element is an element whose optical properties are changeable are.
  • the element could be an LCD element that is between an translucent and a non-translucent state is switched.
  • the invention can provide that the adjustable device is a mechanically adjustable Has element that is set up so that in a first position a translucent Area in a wall of the luminaire released to allow indirect light to escape and by adjusting the element that is available for the passage of light The area of this translucent area is changed or this area is closed can.
  • the adjustable device has a first component which one or more translucent areas, e.g. Openings for light to pass through for decoupling an indirect light component and a displaceable on the first component has mounted second component, which has opaque sections, that with one or more translucent areas in the first component entirely or can be partially covered, such that by moving the second Compared to the first component, the one available for the passage of light The area of the translucent areas can be changed.
  • first component which one or more translucent areas, e.g. Openings for light to pass through for decoupling an indirect light component and a displaceable on the first component has mounted second component, which has opaque sections, that with one or more translucent areas in the first component entirely or can be partially covered, such that by moving the second Compared to the first component, the one available for the passage of light The area of the translucent areas can be changed.
  • the translucent areas in the first component the second component is closed in a specific position of the second component.
  • the second component has translucent areas, which with translucent areas of the first component completely or partially to cover can be brought, preferably such that the second component in a certain Position the translucent sections of the first component for a light exit completely releases.
  • the translucent areas in the second component are smaller than the translucent areas in the first component, in which case the translucent areas in the second component the maximum size for the exit of an indirect portion of light available areas.
  • the invention can provide that the adjustable device has a first component, compared to which a second component is displaceable such that a space between the first and second component, through which light for emitting an indirect light component can emerge, enlarged, reduced and / or closed by moving the second component can be.
  • the second component compared to the first component in one linear movement is shiftable.
  • the second component compared to the first component by a Swivel movement is displaceable.
  • the invention can provide that the adjustable device is a reflective element which has the beam path of the indirect light component at least in one position influenced, with this reflective element being shifted to a second position can, in which at least part of the indirectly emitted light by the reflective Element is directed in a direction other than in the first position or the delivery of a indirect light component is suppressed.
  • the adjustable device can be continuously adjustable.
  • the invention can provide that the lamp has a spatial area that at least is partially limited by reflective walls or wall sections, with one or more Lamps are arranged outside this area and light in this area inject.
  • the luminaire according to the invention can have at least one hollow light guide with a cavity, one or more lamps which are arranged outside the hollow light guide and which Coupling light into the cavity of the light pipe, and at least one light decoupling device with a refractive structure for coupling light out of the light pipe to have a light exit surface.
  • the light decoupling device can include at least one translucent element have an interface between two media with a different refractive index, which is provided with a refractive structure which is in at least one plane perpendicular to the light exit surface, a light radiation above a critical angle essentially prevents such that in this plane a shielding on the light exit surface emerging light is brought about.
  • the invention can provide that said space at one of the light exit opening opposite side is delimited by a roof mirror, at least part of the Roof mirror is pivotable about an axis parallel to a lamp axis, such that that the size of a gap between this movable part and another light part, through which light can emerge to generate an indirect light component, changed becomes.
  • the invention can provide that a part surrounding the lamp has a linear or has pivotally displaceable section which is arranged such that by a Relocation of this part, an opening for the passage of light from the lamp opened, closed or can be changed.
  • the invention can provide that the displaceable part is adjacent to a roof mirror, which the space area of the light pipe on the opposite of the light exit opening Side limited, and is so linearly or pivotally displaceable that a space be opened, closed or changed between the roof mirror and this part can.
  • the invention can provide that the part surrounding the lamp translucent sections has and means for reducing, increasing and / or preventing the Has light passage through these translucent sections.
  • the invention can provide that the device has a displaceable element with which the translucent sections are completely or partially covered by moving can.
  • said further lighting part surrounds the lamp Is part, in particular a coupling reflector, which is at least one facing the lamp has reflective surface, which according to a particular embodiment at least one axis can be pivoted parallel to the lamp longitudinal axis.
  • the said area of space one side opposite the light exit opening is delimited by a roof mirror is, with at least one further light part, in particular a coupling reflector, around a Axis is pivotable parallel to a lamp axis, such that the size of a Gap between the other part of the lamp and the roof mirror, through which light to Generation of an indirect light component can emerge, is changed.
  • a coupling reflector pivots overall about such an axis or that part of a coupling reflector, e.g. that of the light exit surface part facing away from such an axis can be pivoted.
  • the invention can also provide that a part of the roof mirror against another Part of the lamp in a linear movement substantially perpendicular to the lamp axis can be shifted such that the size of one adjoining the further lighting part Gap through which light can emit to emit an indirect light component, be changed by this linear displacement and preferably the gap is closed or can be covered or opened.
  • the further part of the Part of the roof mirror facing the light consists of two components, which by a linear guide are interconnected so that one of the two parts opposite the others can be shifted linearly to change the size of said gap.
  • the movable part of the roof mirror with another Luminaire part, in particular a housing part or a coupling reflector, to the system can be brought such that at least a light emission in the border area of these two parts is essentially prevented.
  • a fixed roof mirror it can also be provided in one embodiment with a fixed roof mirror be that the movable further light part, e.g. a housing part or a coupling reflector, can be moved towards the roof mirror and brought into contact with it, such that a light emission at least essentially in the border area of these two parts is prevented. It can also be provided that both part of the roof mirror and the other part of the lamp is movable against each other and brought into contact with each other can be.
  • the movable further light part e.g. a housing part or a coupling reflector
  • a displaceable part of the roof mirror is a first, the said area facing surface and a second of said area has facing away surface, these two surfaces with each other a different from 0 ° Include angles.
  • the surfaces can be both flat and curved surfaces Surfaces, whereby the two surfaces do not have to have the same shape.
  • Said angle can in particular be an acute angle.
  • an obtuse angle can also be selected.
  • the two surfaces can be substantially parallel to an axis Lamp longitudinal axis to be pivotable against each other, such that the angle between them both surfaces can be changed.
  • the two surfaces enclose a fixed angle to each other and pivoted together about an axis substantially parallel to the longitudinal axis of the lamp can be.
  • At least one of the two said surfaces is reflective; however, both are preferably designed to be reflective.
  • the roof mirror can be independently, e.g. B. in a linear movement or a swiveling movement, parts that can be displaced relative to one another exhibit.
  • the roof mirror has two independently of one another halves pivotable about a common pivot axis.
  • the invention can also be a reflecting or refractive element in the beam path provide the indirect light component, its orientation to the incident light in such a way can be changed by changing the orientation of the light in different Areas is directed.
  • the invention can provide that by the adjustable device, the color of the indirect Light component emerging light can be changed.
  • a lamp in which the properties of the indirect light component on site according to the requirements or wishes of the user can be adjusted. Unlike the state of the art, where, if not a complete new production of a lamp with other requirements anyway the indirect light component was required, at least parts of the luminaire construction replaced had to be a variable element of the luminaire construction according to the invention adjusted. Accordingly, end users can also do so according to their needs set the indirect light component.
  • FIG. 1 shows an example of an embodiment of a lamp according to the invention.
  • This lamp has a housing generally designated 1, in which a generally 3 designated hollow light guide is arranged.
  • the hollow light guide 3 consists of a reflective Roof wall 5 with two halves 5a and 15 inclined at an obtuse angle 5b, reflective end walls (not shown) on the two end faces and one Light decoupling device 7, which will be described in more detail below.
  • the end walls, the roof wall 5 and the light decoupling device 7 together form a cavity 8 reflective walls.
  • the hollow light guide 3 is open on each of the two narrow sides.
  • a lamp 9 (shown only on one side) is arranged adjacent, which directly or indirectly, via a coupling reflector 11, couples light into the light guide 3.
  • the housing 1 consists of an upper housing half 13 to which the roof wall 5 is attached is, and one of the hollow light guide and the light outcoupling device 7 from below Sidebar 15, which holds the light decoupling device on the light pipe.
  • a ballast 17 is attached, which is in the area extends above the light guide 3, in which the two roof halves 5a and 5b a reduced
  • the light decoupling device consists of a carrier plate 20 on which two pairs of prism plates 22 and 24 arranged one above the other are arranged.
  • the carrier plate forms in the case of this lamp, the light exit surface 29.
  • the prismatic plates are on a base surface provided with a prism structure which shields the light coupling device emerging light generated and which is explained in more detail below becomes.
  • the prism plates 22 and 24 are provided with a structure which essentially prevents coupling out of light above a critical angle to the perpendicular to the light exit surface in certain planes and thereby shields, ie a lowering of the mean luminance of the light exit surface below a limit value, for example 200 cd / m 2 , 500 cd / m 2 or 1000 cd / m 2 , as required by the applicable standards or standard proposals.
  • the critical angle can be in a range from 40 ° to 85 °, preferably 50 ° to 65 °, for example 50 °, 55 °, 60 °, 65 ° or 70 °.
  • the prism plate 24 has a structure on its side facing away from the cavity 8 of parallel prisms 30, which have a cross section perpendicular to their longitudinal axis have a triangular shape, as can be seen from FIG. 2.
  • Fig. 2 shows that the Prisms directly adjoin one another, ridges 32a evenly spaced from one another, 32b, ... (hereinafter collectively referred to as 32) and by uniformly from one another spaced depressions 34a, 34b, ..., hereinafter collectively designated 34, from each other are separated.
  • the depressions 34 and the ridges 32 form on top of the cavity 8 opposite side of the plate 24 straight parallel lines.
  • the shield can e.g. generated by total reflection in the prisms.
  • Light in the Prisms become an optically thinner medium, e.g. Air, fully reflected back into the prisms if the angle of incidence is greater than the angle is the total reflection. Accordingly, the exit angle is based on the interfaces of prisms, limited.
  • the side walls of the prisms between the ridges 32 and the depressions 34 are inclined to the light exit surface, so that the limitation of the light exit angle due to the critical angle of the total reflection, not necessarily a shield means.
  • a possible criterion for shielding can be derived by that for beam paths in the prisms up to a predetermined maximum number k (e.g.
  • the prism angle w is at a refractive index from 1.49 in the range from 90 ° to 130 °, particularly preferably in the range from 110 ° up to 128 °.
  • the prism plate 22 is like the plate 24 with a structure of parallel rectilinear prisms 36, which have burrs 38a, 38b, ... (hereinafter referred to collectively as 38) and by depressions 39a, 39b, ... (hereinafter referred to as 39) from one another are separated.
  • the prisms 36 produce in the direction transverse to a shield in its longitudinal direction, in particular fulfilling relations (1) to (3) could be.
  • the longitudinal direction of the prisms is 30 perpendicular to the longitudinal direction of the prisms 36.
  • the prism plates 18 and 20 produce therefore together a shield in mutually perpendicular planes that are perpendicular to the Light exit surface 3 stand.
  • the shielding angle C can differ in these two levels his. Accordingly, prisms 30 and 36 can have a different prism angle w.
  • the shown Prisms also have a shield in planes between the two planes perpendicular to that can produce respective longitudinal direction. The same can be said for other prism shapes be valid.
  • the prism plates 22 and 24 are through on their outer sides frame elements 40 running all around are held on the carrier plate 20.
  • the frame element 40 has a central section 44, at which flanges 46 and Connect 48 at right angles, pointing in opposite directions.
  • the flange 48 is glued to the plate 20.
  • the flange 46 engages over the plates 22 and 24 and holds them thereby positively on the carrier plate 20.
  • a total of four frame elements 40 form one Frame for the two plates 22 and 24, which holds them on the support plate 20.
  • the Carrier plate 20, prism plates 22 and 24 and frame elements 40 form a prefabricated one Unit, which is inserted into the opening of the light guide 3 and through the side strips 15 is held on the light guide.
  • the plates and the associated prism structures are correct by the frame 40 and the fixation on the support plate 20 aligned with each other.
  • the degree of light decoupling on the prism plate 22 depends, among other things, on the angle of incidence of the incident light rays. It has been shown that there is a more uniform Luminous intensity distribution curve of the lamp can be reached when the reflective roof wall is inclined to the light decoupling device and the distance between the light decoupling device and the roof wall is reduced towards away from the lamp. In particular the light intensity distribution curve in the range of 0 ° is thereby evened out and on Avoided or reduced the minimum light intensity distribution in this area. It has it has also been shown that such a design improves the lighting efficiency leads. Therefore, the roof wall 5 consists of two straight, inclined to each other Sections 5a and 5b, which are arranged so that the height of the cavity 8 in the middle is smallest and largest at the radially outer edge.
  • the housing 1 with a sequence of trapezoidal openings 50 is located above the lamp 9 provided, which are arranged in a row parallel to the lamp axis. Below the range this trapezoidal openings is, as can be seen from FIGS. 1 and 4, a Slider 52 is provided, which also has trapezoidal openings 54, which with the trapezoidal openings 50 are made to coincide by moving the slide 52 can be so that the openings 52 are completely exposed.
  • the openings 54 are shown in broken lines in FIG. 4 insofar as they are not visible through the openings 50 are. By actuating the slide 52, the openings 50 and 54 can be against each other are displaced so that, as shown in Fig. 4, only a portion of the openings 50 to Exit of the light from the lamp 9 is available.
  • the openings are in an end position 50 completely closed by the slide 52, i.e. the openings 54 are located in the area between the openings 50.
  • a Handle element 56 is provided, with which the slide 52 parallel to the longitudinal axis of the lamp 9 can be moved.
  • the light intensity of the the openings 50 passing through light changes and thus the light intensity distribution curve of the indirect component of the luminaire can be changed.
  • the Openings 50 and 52 also have a different shape, for example a triangular shape.
  • Fig. 4 is an example of another form of the openings with the openings 50 'and 54' are in the housing or in the slide 52, indicated.
  • the openings 50 'and 54 ' have the shape of a truncated triangle with a rectangle or parallelogram at the top is scheduled. This form is again for the clarification for the opening 50 'shown enlarged in Fig. 4a.
  • the roof reflector 60 has two on the side facing the lamp 9 against each other linearly displaceable elements 60a and 60b by means of a linear guide 62 are interconnected.
  • the part 60a forms with respect to this linear movement the fixed part.
  • By moving the part 60b in the guide 62 relative to the Part 60a can now between the coupling reflector and the roof reflector 60 above Lamp 9 generated a gap through which light is coupled out as an indirect light component can be.
  • the two parts 60a and 60b are part of the roof wall 5 and form one Half of the sloping roof wall similar to element 5a in Fig. 1.
  • the two parts 60a and 60b can be pivoted about an axis parallel to the lamp axis, so that even when part 60b is fully extended, in a pivoted position of the two Parts a gap between the coupling reflector 11 and the roof reflector 60 remains, the Size on the one hand by pivoting the two parts 60a and 60b together on the other hand changed by the linear displacement of the parts 60a and 60b against each other can be.
  • a short, flat metal sheet 70 is attached to the coupling reflector 11 and is essentially parallel to the underside of the housing. Between the sheet 70 and the roof wall 72 there is a gap 74 which extends over the entire length of the lamp 9 and through which an indirect light component emerges.
  • the roof wall 72 can be pivoted about an axis parallel to the longitudinal axis of the lamp 9, so that this roof wall 72 can be set differently with respect to the lamp and the sheet metal 70. At different angles of attack, the proportion of light which is coupled into the interior of the light guide changes and the proportion which is emitted as an indirect component.
  • a larger angle of attack with respect to the horizontal can, for example, result in a larger proportion of the light which runs in the light guide towards the lamp 9 shown in FIG. 6 being coupled out of the light guide via the gap 70. If the free end of the roof wall 72 is below the level of the metal sheet 70, an increase in the angle of attack causes the gap between the metal sheet 70 and the roof wall 72 and thus also the radiated indirect light component to become smaller. Additionally or alternatively, it can also be provided that one, several or all walls of the coupling reflector and / or the plate 70 can be pivoted about an axis parallel to the lamp axis through the points D 1 , D 2 or D 3 , which expands the possibilities to influence indirect light.
  • the metal sheet 70 does not necessarily have to be attached to the coupling reflector 11. It can also be a housing part or part of the coupling reflector.
  • FIG. 7 shows an embodiment of a luminaire according to the invention similar to that according to the embodiment according to FIG. 6. Also here is a roof wall with two reflecting roof wall halves 80a and 80b about an axis parallel to the longitudinal axis of the lamp 9 through a point D 21 in the middle the roof wall can be swiveled. However, this fulcrum is now set so that the roof wall halves 80a and 80b can be pivoted so far down that light can fall on their upper side or exit through the gap between the coupling reflector 11 and the roof wall half 80a or 80b.
  • the top side of the roof wall half 80a is expediently designed to be reflective, as is the bottom side, which faces the hollow space of the hollow light guide. In the position shown in FIG.
  • the roof wall 80 thus serves as a beam splitter, which divides the light emitted by the lamp 9 or reflected by the coupling reflector 11 into a direct light component and an indirect light component.
  • the width of the roof half 80a can be dimensioned such that it ends at a suitable angular position with the free end 84 of the coupling reflector 11 or only a narrow gap remains between these two elements in this angular position, through which only an insignificant indirect light component passes.
  • the embodiment according to FIG. 7 can also be used as shown in FIG. 6, that is to say in such a way that the free end of the roof wall half 80a or 80b lies above the free end of the coupling reflector 84.
  • the free end of the coupling reflector 11 and the free end of the pivotable roof wall half 80a or 80b can be designed to be elastically deformable, the width of the roof wall half 80a or 80b being greater than the distance between the point D 21 and the free end 84 of the coupling reflector.
  • the roof wall half 80a or 80b can therefore be brought into contact with the coupling reflector 11 on the side facing the lamp 9, so that the side of the luminaire facing away from the light decoupling device is closed in a light-tight manner.
  • the luminaire can be set up by adjusting the roof wall halves 80a and 80b so that it emits no indirect light.
  • the roof wall halves 80a and 80b can then be adjusted on the one hand so that, as shown in FIG. 7, they serve as beam splitters for the light emitted by the lamps 9, and on the other hand so that they essentially, such as shown in Fig. 6, serve as a geometric limitation of the indirect light component and as a light-directing element for the light running in the cavity.
  • FIG. 8 shows a further embodiment of a luminaire according to the invention, in which the roof wall 90, which delimits the cavity of the light guide, can be pivoted independently of one another about a central axis through the point D 31 parallel to the longitudinal axis of the lamps 9, this pivot axis simultaneously forming the dividing line forms for the two halves 90a and 90b.
  • a second reflector surface 92a or 92b is attached, which encloses an acute angle with the associated roof wall half 90a or 90b and whose free end points towards the center of the lamp, so that approximately in total a diamond shape is created.
  • a gap is provided between the free end of the coupling reflector 94 and the reflector surfaces 92a and 92b, through which the light from the lamps 9 is emitted in order to couple out an indirect light component.
  • the width of this gap can be changed by pivoting the roof wall halves 90a or 90b about the axis of rotation through the point D 31 .
  • the reflector surfaces 92a and 92b are set up such that light from the lamps 9 is reflected on them at least for certain inclinations of the roof wall halves 90a and 90b. This can influence the directional dependence of the light intensity distribution curve of the indirect light component.
  • the surfaces 92a and 92b in turn can be pivoted about the end adjoining the roof wall halves 90a and 90b, that is to say about axes parallel to the longitudinal axis of the lamps 9 and through the points D 32 and D 33 .
  • pivoting the roof wall halves 90a and 90b essentially the amount of light emerging as an indirect light component can be influenced, while pivoting around the points D 32 and D 33 influences the directional dependence of the decoupled indirect light component.
  • the reflector surfaces 92a and 92b end at a certain distance from one another.
  • a ballast 96 is attached to 90a and 90b.
  • This arrangement is advantageous to a to achieve low overall height of the lamp.
  • the ballast can, however, also on one elsewhere.
  • the reflector surfaces 92a and 92b at their ends facing away from the roof wall halves 90a and 90b bump into each other in a certain position or swivel with one another are connected so that a total of one body through the surfaces 90a, 90b, 92a and 92b a rhombic cross section is formed, the four surfaces pivoted against each other can be.
  • FIG. 9 shows an asymmetrical embodiment of the lamp according to FIG. 8.
  • a pivot axis is provided here at the end of the light guide opposite the lamp 9, approximately at the level of the light decoupling device 7.
  • the pivot axis is parallel to the longitudinal axis of the lamps 9 and passes through point D 41 .
  • the roof wall of the hollow light guide 100 is arranged at an acute angle to the light decoupling device 7, so that the hollow light guide assumes a wedge shape overall.
  • the angle to the light decoupling device is variable by pivoting about an axis parallel to the lamp axis through point D 41 .
  • a reflector surface 102 which encloses an acute angle with the roof wall 100, is attached to the roof wall 100 at the end facing the lamp 9.
  • the roof wall 100 and the coupling reflector 11 there is a gap, at least for certain angular positions, through which light from the lamp 9 can emerge upwards as an indirect light component.
  • the light emitted by the lamp 9 as an indirect light component is reflected, depending on the angle between the roof wall 100 and the reflector surface 102.
  • the reflector surface 102 can be pivoted about the end at which it is connected to the roof wall 100, so that the directional dependence of the light intensity distribution of the indirect light component can be influenced.
  • the roof wall 100 closes with the coupling reflector 11 in a certain angular position.
  • Luminaires are conceivable and possible.
  • An asymmetrical design, as in 9, can also be provided in the embodiments according to FIGS. 1 to 8.
  • an angled reflector surface similar to the walls 92a and 92b and 102 in the embodiments of FIGS. 8 and 9, which are indirect Light component that through the openings 52 (Fig. 4) or through the gap between the displaceable part 60b of the roof reflector and the coupling reflector (FIG. 5) emerges in redirects a desired direction.
  • a corresponding reflector plate could, for example 4 on the side of the openings facing away from the roof wall 5 50 or on the opposite side of the openings facing the roof wall 5 to be available.
  • a corresponding reflector could be used for example to the coupling reflector 11 or to the fixed part 60b of the Roof reflector 60 can be attached.
  • the angle between the reflector surface and the roof wall instead of an acute angle, as in the Drawings shown can also be an obtuse angle.
  • Such an obtuse angle between the reflector surface and the roof wall can e.g. make sense if that's the lamp adjacent end of the roof wall lies above the coupling reflector and through it formed gap emerges light from the light pipe.
  • a indirect light component can be coupled out via the coupling reflector.
  • the coupling reflector on the side facing away from the light guide Side has perforations; through which light can exit and which may be by a slide, similar to that shown in Fig. 4, can be closed.
  • the coupling reflector has a section which is parallel to an axis Lamp axis, for example about one of the axes D1, D2 or D3 in Fig. 6, so pivotable is that by pivoting this part, a gap on that facing away from the light guide Side of the lamp is opened by the light to couple out a direct or indirect light can escape.
  • An indirect light component does not necessarily have to upwards, but can e.g. with a ceiling lamp, also released laterally become.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
  • Circuit Arrangement For Electric Light Sources In General (AREA)
  • Planar Illumination Modules (AREA)
  • Toys (AREA)
  • Catching Or Destruction (AREA)
EP02015522A 2001-07-11 2002-07-10 Luminaire d'intérieur avec éclairage indirect variable Expired - Lifetime EP1275898B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10133584 2001-07-11
DE10133584 2001-07-11

Publications (3)

Publication Number Publication Date
EP1275898A2 true EP1275898A2 (fr) 2003-01-15
EP1275898A3 EP1275898A3 (fr) 2005-09-21
EP1275898B1 EP1275898B1 (fr) 2008-03-12

Family

ID=7691337

Family Applications (1)

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EP02015522A Expired - Lifetime EP1275898B1 (fr) 2001-07-11 2002-07-10 Luminaire d'intérieur avec éclairage indirect variable

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EP (1) EP1275898B1 (fr)
AT (1) ATE389145T1 (fr)
DE (1) DE50211874D1 (fr)

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1847766A1 (fr) * 2006-04-18 2007-10-24 Hartmut S. Engel Dispositif d'éclairage intérieur
WO2007121910A3 (fr) * 2006-04-18 2008-02-28 Zumtobel Lighting Gmbh Lampe, en particulier lampe à suspension, présentant une première et une seconde zone d'émission lumineuse
WO2009122322A1 (fr) * 2008-04-01 2009-10-08 Koninklijke Philips Electronics N.V. Système d'éclairage
JP2013518452A (ja) * 2010-02-01 2013-05-20 サン−ゴバン グラス フランス 発光ダイオードを含む発光多重ガラスユニット
CN101427069B (zh) * 2006-04-18 2013-09-18 宗拓贝尔照明器材有限公司 有第一和第二光发射区域的照明器
DE102012019522A1 (de) * 2012-10-05 2014-04-10 LEDsSHINE GmbH Flächenleuchte mit einer lichtleitenden Platte
WO2014064582A1 (fr) * 2012-10-26 2014-05-01 Koninklijke Philips N.V. Dispositif d'éclairage et système d'éclairage
EP3002506A1 (fr) * 2014-10-01 2016-04-06 OSRAM GmbH Éclairage ayant une quantite de lumiere directe et indirecte
EP2737243B1 (fr) * 2011-07-26 2017-03-01 LG Innotek Co., Ltd. Module d'éclairage

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DE10011378A1 (de) 1999-05-25 2000-11-30 Siteco Beleuchtungstech Gmbh Hohllichtleiterleuchte mit indirekter Lichtabstrahlung

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DE432552C (de) * 1924-01-10 1926-08-09 Gasgluehlicht Auer Ges M B H F Beleuchtungskoerper mit zwei Reflektoren
DE2635431A1 (de) * 1976-08-06 1978-02-09 Zeiss Ikon Ag Beleuchtungsanlage fuer direkte und indirekte beleuchtung
US4323955A (en) * 1980-07-21 1982-04-06 Mark Edward H Light with 360° rotatable cover
DE3432745C2 (de) * 1984-09-06 1986-08-14 W.C. Heraeus Gmbh, 6450 Hanau Operationsleuchte zur gleichmäßigen Ausleuchtung eines Operationsfeldes ohne Schlagschatten
DE4233481A1 (de) * 1992-10-05 1994-04-07 Hubert Kurz Leuchte für Badekabinen
DE19859936C2 (de) * 1998-12-24 2001-07-19 Alfred Korsch Leuchte mit mindestens einer Lichtstromteilervorrichtung, insbesondere zur Arbeitsplatzbeleuchtung

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DE10011378A1 (de) 1999-05-25 2000-11-30 Siteco Beleuchtungstech Gmbh Hohllichtleiterleuchte mit indirekter Lichtabstrahlung

Cited By (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2007121910A3 (fr) * 2006-04-18 2008-02-28 Zumtobel Lighting Gmbh Lampe, en particulier lampe à suspension, présentant une première et une seconde zone d'émission lumineuse
US8317354B2 (en) 2006-04-18 2012-11-27 Zumtobel Lighting Gmbh Lamp, especially suspended lamp, comprising a first and a second light emitting area
CN101427069B (zh) * 2006-04-18 2013-09-18 宗拓贝尔照明器材有限公司 有第一和第二光发射区域的照明器
EP1847766A1 (fr) * 2006-04-18 2007-10-24 Hartmut S. Engel Dispositif d'éclairage intérieur
WO2009122322A1 (fr) * 2008-04-01 2009-10-08 Koninklijke Philips Electronics N.V. Système d'éclairage
JP2013518452A (ja) * 2010-02-01 2013-05-20 サン−ゴバン グラス フランス 発光ダイオードを含む発光多重ガラスユニット
EP2737243B1 (fr) * 2011-07-26 2017-03-01 LG Innotek Co., Ltd. Module d'éclairage
US9880345B2 (en) 2011-07-26 2018-01-30 Lg Innotek Co., Ltd. Lighting module
EP3184880A1 (fr) * 2011-07-26 2017-06-28 LG Innotek Co., Ltd. Module d'éclairage
DE102012019522A1 (de) * 2012-10-05 2014-04-10 LEDsSHINE GmbH Flächenleuchte mit einer lichtleitenden Platte
CN104755831A (zh) * 2012-10-26 2015-07-01 皇家飞利浦有限公司 照明设备和照明系统
US9689555B2 (en) 2012-10-26 2017-06-27 Philips Lighting Holding B.V. Lighting device and lighting system
JP2016502233A (ja) * 2012-10-26 2016-01-21 コーニンクレッカ フィリップス エヌ ヴェＫｏｎｉｎｋｌｉｊｋｅ Ｐｈｉｌｉｐｓ Ｎ．Ｖ． 照明装置及び照明システム
WO2014064582A1 (fr) * 2012-10-26 2014-05-01 Koninklijke Philips N.V. Dispositif d'éclairage et système d'éclairage
US10364959B2 (en) 2012-10-26 2019-07-30 Signify Holding B.V. Lighting device and lighting system
EP3002506A1 (fr) * 2014-10-01 2016-04-06 OSRAM GmbH Éclairage ayant une quantite de lumiere directe et indirecte

Also Published As

Publication number Publication date
EP1275898B1 (fr) 2008-03-12
EP1275898A3 (fr) 2005-09-21
DE50211874D1 (de) 2008-04-24
ATE389145T1 (de) 2008-03-15

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