EP2029934A1 - Sanitary fitting comprising at least one illuminating device - Google Patents
Sanitary fitting comprising at least one illuminating deviceInfo
- Publication number
- EP2029934A1 EP2029934A1 EP07725686A EP07725686A EP2029934A1 EP 2029934 A1 EP2029934 A1 EP 2029934A1 EP 07725686 A EP07725686 A EP 07725686A EP 07725686 A EP07725686 A EP 07725686A EP 2029934 A1 EP2029934 A1 EP 2029934A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- light
- lens body
- sanitary fitting
- beam splitter
- diffuser
- 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
Links
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
- F21V33/00—Structural combinations of lighting devices with other articles, not otherwise provided for
- F21V33/0004—Personal or domestic articles
- F21V33/004—Sanitary equipment, e.g. mirrors, showers, toilet seats or paper dispensers
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03C—DOMESTIC PLUMBING INSTALLATIONS FOR FRESH WATER OR WASTE WATER; SINKS
- E03C1/00—Domestic plumbing installations for fresh water or waste water; Sinks
- E03C1/02—Plumbing installations for fresh water
- E03C1/04—Water-basin installations specially adapted to wash-basins or baths
-
- 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
- F21Y2115/00—Light-generating elements of semiconductor light sources
- F21Y2115/10—Light-emitting diodes [LED]
Definitions
- the invention relates to a sanitary fitting having at least one illumination device, the at least two light ⁇ medium, in particular RGB lamps, having different Abstrahligan for generating light with a additively mixed from the different Abstrahlemia color, and having a diffuser for the light.
- the bulbs have in such known sanitary fittings the function to illuminate a leaking jet of water.
- such bulbs may also have the purpose of signaling actuations of the setting elements or characterizing operating parameters, such as the water temperature and / or the water flow rate. But they can also be provided only to produce a visually appealing design.
- RGB lamps are used to produce light of a symbolizing the prevailing water temperature color. For example, when the water temperature rises, the color of the light changes from blue to red.
- RGB illuminants have separate basic elements for the primary colors red, green and blue, whose light is incident on a scattering cover glass acting as a diffuser shine. From the viewing side, the cover glass appears in the desired mixed color. To change the mixed color, the lighting elements are accordingly ⁇ controls. However, the spatial distribution of the lighting elements has an inhomogeneous color representation, in particular color stripes, on the viewing side of the cover glass.
- Object of the present invention is to design a sanitary fitting of the type mentioned, in which on the viewing side of the diffuser monochrome as possible with a homogeneous color distribution is visible.
- each light source and the diffuser at least one beam splitter for dividing the light beams is arranged in a main partial beam and a reflected partial beam and in each case a deflection for deflecting the corresponding reflected partial beam is mounted such that the reflected partial beam and meet the main sub-beam in different areas on the diffuser.
- each light source is assigned a beam splitter, which splits the light into two sub-beams and supplies them to two separate regions of the diffuser.
- Each bulb emits in this way an overall larger area. It finds so much better additive mixture of the radiated by the different lamps colors instead, so that the mixed color also appears much more uniform, preferably almost monochrome.
- the beam splitter may have a partially reflecting first particular flat surface which is inclined in particular 45 ° relative to the main beam direction of the incident light, and the deflection can in the beam path of the reflected beam part at least partially reflecting, the first facing, be to this be - have spaced second particular flat surface, which has substantially the same slope as the first surface.
- a part of the light can be easily separated from the incoming light beam and spaced from the main beam to the diffuser.
- the beam splitter with a corresponding refractive index on a reflectance of about 0.5 so that the light intensities of the main partial beam and the reflected partial beam are approximately equal. In this way, a uniform illumination of the diffuser is achieved at the two impact areas.
- the lens body made of plastic in particular polycarbonate, be.
- Lens body made of plastic are easy to produce.
- the centers of three beam splitters for three lamps can be arranged at the corners of a particular equilateral first triangle and three of the beam splitters corresponding deflection respectively between two beam splitters, in particular at the corners of a similar, by 180 ° relative to the first triangle whose center axis is rotated second triangle, be arranged.
- the primary colors red, green and blue can be emitted to realize the RGB color model.
- the arrangement at the corners of an equilateral triangle allows a uniform overlap of all three colors.
- the arrangement of the deflecting means which is rotated through 180 °, ensures that the same colors impinge on opposite regions of the diffuser, whereby the mixing of the color components is markedly improved.
- the bulbs can be a red, a green and a blue LED. LEDs are easy to manufacture, robust, small and have a high efficiency. An embodiment of the invention will be explained in more detail with reference to the drawing; show it
- Figure 1 shows schematically the bottom view of a lens body of a lighting device with three LEDs for a sanitary fitting
- FIG. 3 shows a schematic side view of the lens body from FIGS. 1 and 2;
- Figure 4 shows schematically the lens body of Figures 1 and 2 in another side view
- FIG. 5 schematically shows the lens body from FIG. 2 in FIG.
- FIG. 6 shows schematically an auxiliary construction to illustrate the outer contours of the lens body from FIGS. 1 to 5.
- a lens body, generally designated by the reference numeral 10, of an illumination device, which is otherwise not shown, for a sanitary fitting is shown.
- the lens body 10 With the lens body 10, the light emitted by a respective one not shown, from a diode receiving side 12, in the figures 3 to 5 above, introduced red, green and blue LED light is distributed so that it by means of a not shown, the light scattering, translucent cover can be additive mixed according to the RGB color model.
- the cover is arranged on the light exit side 14 of the lens body 10, in Figures 3 to 5 below.
- the lens body 10 is made in one piece from polycarbonate with optical quality and preferably UV stabilized; at least its surfaces, which are irradiated with the light from the LEDs, are optically ground.
- the lens body 10 can be composed in the following manner, which is illustrated with an auxiliary construction shown in Figure 6, which shows the lens body 10 decomposed into its imaginary components in plan view:
- the generatrices of the circular truncated cones are slightly convex, preferably parabolic in shape, in particular based on a Fraen lens, bent and the lateral surfaces are optically ground.
- the Sheath surfaces of the truncated cones can thus act as reflectors for light that comes from the interior of the truncated cones.
- the resulting cut surfaces 17, which - since they are intended - are only shown in the auxiliary construction in FIG. 6, extend over approximately two thirds of the height of the circular truncated cones. Then put the three cut circular truncated stumps in the direction of the arrows 19 with their cut surfaces 17 to each other, such that their central axes are arranged parallel to each other at the corners of a first imaginary equilateral triangle whose center of gravity is on the gravity axis 18 of the lens body 10.
- the lens body 10 thus assembled is shown in FIGS. 3 to 5.
- the axis of gravity 18 is indicated by dashed lines in Figures 3 to 5. It is perpendicular to a base 20 of the lens body 10, which in turn is located on the light exit side 14.
- the circular truncated stumps merge into one another in one piece.
- an incision 36 shown in FIGS. 3 to 5 is introduced, the shape of which is described in greater detail below.
- An annular flange 44 is formed on the base surfaces of the circular truncated cones, which terminates the light exit-side base surface 20 of the lens body 10 in the circumferential direction.
- the base 20 projects beyond the outermost edges of the base surfaces of the circular truncated cones.
- the base 20 is optically ground.
- each receiving area 16 From the diode receiving side 12 leads into each receiving area 16 a visible in Figures 2 and 5 circular cylindrical, slightly conical receiving opening 22 for the corresponding LED.
- the longitudinal axes of the receiving openings 22 extend almost coaxially with the respective central axes of the circular truncated cones forming the receiving areas 16 through the corners of an imaginary, second equilateral triangle, which is aligned parallel to the base surface 20 of the lens body 10.
- the center of gravity of the second equilateral triangle lies on the center of gravity axis 18 of the lens body 10. Its corners lie on a circle 24 coaxial with the axis of gravity 18, which is indicated by dashed lines in FIG.
- the radius of the circle 24 is about half as large as the radii of the base surfaces of the receiving areas 16 forming circular truncated cones.
- the side halves of the second triangle are parallel to those of the first equilateral triangle through the corners of the center axes of the circular truncated cones of the receiving areas 16 lead.
- the visible in Figures 2 and 5 shelves 26 of the receiving openings 22 are located slightly above half the height of the lens body 10.
- the receiving openings 22 taper towards their bottoms 26 out; their inner circumferential surfaces are inclined to their longitudinal axes by about 1 °.
- the diameters of the receiving openings 22 at their narrowest points at the level of their bottoms 26 are approximately half the size of the radii of the base areas of the circular truncated cones of the receiving areas 16.
- the diode receiving side 12 facing surfaces of the floors 26 are viewed convexly convex there and each serve as a condenser for the radiated from the corresponding LED light.
- the surfaces are optically ground.
- the red, the blue and the green LEDs are arranged so that they radiate substantially in the direction of the light exit side 14 (main beam direction).
- the receiving openings 22 are easily accessible from outside the lens body 10.
- the lens body 10 may be integrally molded, and the receiving openings 22 may each be recessed by means of a removable core.
- each receiving opening 22 In extension of each receiving opening 22 is located on the light exit side 14 of each receiving area 16 at a distance below its bottom 26 visible in Figures 1 and 5, the light exit side 14 open wedge-shaped beam splitter space 28.
- the beam splitter spaces 28 have rectangular bases, which in the bottom view in Figure 1 is visible.
- Each beam splitter space 28 is bounded by a tangential wall 30 and two radial walls 32 which are all perpendicular to the base 20 of the lens body 10 and by a beam splitter surface 34.
- the tangential wall 30 also extends perpendicularly in a plane the bisector of the first and the second imaginary triangle and limits the axis of gravity 18 of the lens body 10 side facing away from the beam splitter space 28.
- the extension of the beam splitter space 28 in the direction of the bisectors of the imaginary triangles on its open side is slightly smaller than the diameter the receiving openings 22 at their narrowest points in the region of the floors 26th
- the radial walls 32 of a beam splitter space 28 are parallel to each other and perpendicular to the tangential wall 30. Their distance from each other corresponds approximately to the smallest diameter of the receiving openings 22nd
- the beam splitter spaces 28 each, as already mentioned, limited by the beam splitter surface 34, which is mounted at a distance in Figures 3 to 5 below the bottoms 26 of the receiving openings 22 EP2007 / 004798
- the beam splitter surfaces 34 are inclined with respect to the base surfaces 20 of the lens body 10 by 45 °, such that light coming from the receiving openings 22 is partially reflected to the gravity axis 18.
- the center points of the beam splitter surfaces 34 lie on one
- the centers of the beam splitter surfaces 34 are located at the corners of an equilateral triangle, which is congruent to the second triangle, through the corners of the central axes of the overlying receiving openings 22, viewed in the direction of the axis of gravity 18.
- the beam splitter spaces 28 serve essentially to realize the beam splitter surfaces 34. They can be easily recessed in a lens body blank by means of a core during casting in order to obtain the beam splitter surfaces 34 in the one-piece lens body 10.
- the beam splitter surfaces 34 are optically ground.
- the side surfaces of the lens body 10 in each case between two receiving areas 16 on the aforementioned cuts 36; the cuts 36 are visible in FIGS. 2 to 5.
- the incisions 36 are each located opposite one of the receiving openings 22. They are bounded on their flanks by two parallel, flat flank surfaces 38.
- the flank surfaces 38 extend on both sides at the same distance parallel to each other the plane which is spanned by the center of gravity axis 18 of the lens body 10 and the central axis of the opposite receiving opening 22.
- a flat rear surface 40 which is tangential to the circle 24 of the Diodenaufnahr ⁇ eseite 12 of the lens body 10 to the level of the diode receiving side 12 facing edge of the flank surfaces 38 opposite beam splitter surface 34 extends.
- the rear surfaces 40 extend in planes perpendicular to the base surface 20 of the lens body 10 and perpendicular to the flank surfaces 38.
- each incision 36 is delimited by an optically ground mirror surface 42. These are in each case inclined by 45 ° with respect to the base surface 20 in such a way that they divert light which comes from the partially reflecting, respectively opposing beam splitter surface 34 substantially toward the light exit side 14.
- the mirror surfaces 42 thus act as deflection devices for the light.
- the centers of the three mirror surfaces 42 of the cuts 36 corresponding to the beam splitter surfaces 34 are arranged at the corners of a further equilateral triangle rotated by 180 ° with respect to the second triangle about the gravity axis 18 and similar thereto.
- the notches 36 serve primarily to realize the mirror surfaces 42. They are formed, for example, during the casting of the lens body 10 in a corresponding shape.
- the lens body 10 acts as follows:
- the light emitted by the LEDs enters the lens body 10 via the convex surfaces of the bottoms 26 of the respective receiving opening 22 and impinges there on the corresponding beam splitter surfaces 34.
- the beam splitter surfaces 34 each divide the light approximately at half intensity into a main partial beam and a reflected partial beam.
- the main partial beams pass through the beam splitter surfaces 34 in the direction of the light exit side 14, emerge from the lens body 10 and strike the cover plate.
- the reflected partial beams are deflected in the direction of the center of gravity axis 18 of the lens body 10.
- the mirror surfaces 42 deflect the reflected partial beams coming from the opposing beam splitter surfaces 34 in each case toward the base surface 20 of the lens body 10, where they lie in the corresponding main partial beams opposite regions from the base surface 20 of FIG 98
- each LED on the base 20 of the lens body 10 appears double.
- the reflected partial beams and the main partial beams are scattered and appear on the viewing side as a diffused light with the desired mixed color.
- the lens body 10 may be formed instead of three for more or less than three LEDs.
- red, green and blue LEDs instead of the red, green and blue LEDs, other types of light bulbs can also be used.
- the bulbs can also be integrated RGB bulbs.
- the beam splitter surfaces 34 and the mirror surfaces 42 may also be curved instead of just. They can also be inclined at an angle other than 45 ° with respect to the base 20 or the main beam directions.
- the corresponding beam splitter surfaces 34 and the mirror surfaces 42 may also have different inclinations.
- the beam splitter surfaces 34 and / or the mirror surfaces 42 may be realized instead of in the form of a single lens body 10 via separate components.
- the lens body 10 may be made of a different suitable translucent material optical quality, such as another plastic or glass instead of polycarbonate.
- the three beam splitter surfaces 34 and the corresponding mirror surfaces 42 may also be arranged differently instead of at the corners of equilateral triangles.
- the mirror surfaces 42 may also be placed in proximity to their associated beam splitter surfaces 34.
Landscapes
- Public Health (AREA)
- Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Epidemiology (AREA)
- Hydrology & Water Resources (AREA)
- Water Supply & Treatment (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
- Illuminated Signs And Luminous Advertising (AREA)
- Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
- Laser Surgery Devices (AREA)
- Led Device Packages (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102006028587A DE102006028587B4 (en) | 2006-06-22 | 2006-06-22 | Sanitary fitting with at least one lighting device |
PCT/EP2007/004798 WO2007147481A1 (en) | 2006-06-22 | 2007-05-31 | Sanitary fitting comprising at least one illuminating device |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2029934A1 true EP2029934A1 (en) | 2009-03-04 |
EP2029934B1 EP2029934B1 (en) | 2009-11-25 |
Family
ID=38436757
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP07725686A Not-in-force EP2029934B1 (en) | 2006-06-22 | 2007-05-31 | Sanitary fitting comprising at least one illuminating device |
Country Status (6)
Country | Link |
---|---|
US (1) | US20090273923A1 (en) |
EP (1) | EP2029934B1 (en) |
CN (1) | CN101484745B (en) |
AT (1) | ATE449934T1 (en) |
DE (2) | DE102006028587B4 (en) |
WO (1) | WO2007147481A1 (en) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE202011000038U1 (en) * | 2011-01-07 | 2012-04-16 | Lindner Armaturen Gmbh | Electronic sanitary fitting, in particular for washbasins |
DE202011105254U1 (en) | 2011-09-01 | 2011-11-21 | Grohe Ag | actuator |
TW201409105A (en) * | 2012-08-31 | 2014-03-01 | Hon Hai Prec Ind Co Ltd | Optical fiber coupling lens and optical communication module |
US11602032B2 (en) | 2019-12-20 | 2023-03-07 | Kohler Co. | Systems and methods for lighted showering |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19654359C1 (en) * | 1996-12-24 | 1998-08-20 | Gunter Veigel | Water outlet fitting |
IT1304289B1 (en) * | 1998-05-26 | 2001-03-13 | Ideal Standard Spa | TAP FOR WATER DISPENSING AT ADJUSTABLE TEMPERATURE, FOR SANITARY EQUIPMENT. |
US6139166A (en) * | 1999-06-24 | 2000-10-31 | Lumileds Lighting B.V. | Luminaire having beam splitters for mixing light from different color ' LEDs |
KR100377359B1 (en) * | 2001-02-14 | 2003-03-26 | 삼성전자주식회사 | Illumination system for a display appratus |
DE20102857U1 (en) * | 2001-02-19 | 2001-05-31 | Begle Anton | Water jet illuminator |
US6839095B2 (en) * | 2002-05-17 | 2005-01-04 | Infocus Corporation | Single-path color video projection systems employing reflective liquid crystal display devices |
TWI250312B (en) * | 2002-10-11 | 2006-03-01 | Delta Electronics Inc | Illumination system with multiple lamps |
DE10302343A1 (en) * | 2003-01-17 | 2004-08-12 | Hansgrohe Ag | A light emitting device |
DE10312866A1 (en) * | 2003-03-19 | 2004-09-30 | Hansgrohe Ag | shower |
JP4042687B2 (en) * | 2003-12-15 | 2008-02-06 | ソニー株式会社 | Lighting device and backlight device |
DE112005001395A5 (en) * | 2004-04-13 | 2007-05-24 | Saf Armaturen Gmbh | Method and device for producing colored liquid streams for a hot water fitting |
US7401943B2 (en) * | 2005-06-07 | 2008-07-22 | Fusion Uv Systems, Inc. | Solid-state light sources for curing and surface modification |
US20060285037A1 (en) * | 2005-06-21 | 2006-12-21 | Chi Lin Technology Co., Ltd. | Apparatus for mixing light beams and backlight module having the same |
-
2006
- 2006-06-22 DE DE102006028587A patent/DE102006028587B4/en not_active Expired - Fee Related
-
2007
- 2007-05-31 WO PCT/EP2007/004798 patent/WO2007147481A1/en active Application Filing
- 2007-05-31 CN CN2007800234623A patent/CN101484745B/en not_active Expired - Fee Related
- 2007-05-31 US US12/305,659 patent/US20090273923A1/en not_active Abandoned
- 2007-05-31 EP EP07725686A patent/EP2029934B1/en not_active Not-in-force
- 2007-05-31 DE DE502007002117T patent/DE502007002117D1/en active Active
- 2007-05-31 AT AT07725686T patent/ATE449934T1/en active
Non-Patent Citations (1)
Title |
---|
See references of WO2007147481A1 * |
Also Published As
Publication number | Publication date |
---|---|
DE102006028587A1 (en) | 2008-02-21 |
EP2029934B1 (en) | 2009-11-25 |
CN101484745B (en) | 2010-12-22 |
CN101484745A (en) | 2009-07-15 |
DE502007002117D1 (en) | 2010-01-07 |
US20090273923A1 (en) | 2009-11-05 |
DE102006028587B4 (en) | 2009-04-16 |
WO2007147481A1 (en) | 2007-12-27 |
ATE449934T1 (en) | 2009-12-15 |
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