WO2006072399A1 - Appareil de robinetterie comprenant un ensemble d'elements electroluminescents - Google Patents

Appareil de robinetterie comprenant un ensemble d'elements electroluminescents Download PDF

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Publication number
WO2006072399A1
WO2006072399A1 PCT/EP2005/013847 EP2005013847W WO2006072399A1 WO 2006072399 A1 WO2006072399 A1 WO 2006072399A1 EP 2005013847 W EP2005013847 W EP 2005013847W WO 2006072399 A1 WO2006072399 A1 WO 2006072399A1
Authority
WO
WIPO (PCT)
Prior art keywords
light
sanitary fitting
emitting elements
fitting according
color
Prior art date
Application number
PCT/EP2005/013847
Other languages
German (de)
English (en)
Inventor
Horst Kunkel
Gunter Veigel
Original Assignee
Hansa Metallwerke Ag
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 Hansa Metallwerke Ag filed Critical Hansa Metallwerke Ag
Priority to EP05823010A priority Critical patent/EP1834050A1/fr
Publication of WO2006072399A1 publication Critical patent/WO2006072399A1/fr

Links

Classifications

    • 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
    • E03C1/0404—Constructional or functional features of the spout
    • 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
    • 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 with an arrangement of light-emitting elements for illuminating water, which enters or exits from the sanitary fitting.
  • Such a sanitary fitting is known from DE 203 17 375 Ul.
  • the sanitary fitting described there has in the region of the water outlet or water inlet bulbs, which can be used to produce different colors. The color is adjusted depending on the water temperature.
  • the lighting means comprise three LEDs which generate light in the colors red, blue and white light.
  • the object of the invention is to further develop such a sanitary device in such a way that the lighting effect not only merely conveys information but can also stimulate pleasant emotions.
  • this object is achieved in that the arrangement light-emitting elements that produce at least approximately light in three Primärfarban, and at least one lichtemit- _ O _
  • the term primary color refers to a set of colors which give white light in the case of additive light mixing. In principle, there are infinitely many sets of such primary colors. However, the primary colors red (R), green (G) and blue (B) are particularly common in practice, since the sensory cells on the human retina, which are decisive for color perception, respond to these three primary colors.
  • the inventors have now recognized that only with three light-emitting elements that produce three primary colors (or come very close to it), only the colors can be generated within a particular color space. If the primary colors are red, green and blue, the colors that can be displayed are limited to the RGB color space. By adding a further color, which results as a mixed color from the primary colors, according to the invention further colors with high saturation and intensity can be produced.
  • z. B. Pastel colors such as mint green or soft pink
  • z. B. Pastel colors can then be produced when this additional color is yellow.
  • Such a sanitary fitting is particularly well suited for use in the wellness and color therapy area.
  • the light-emitting elements may, in principle, be any type of light source capable of producing colored light.
  • colored light is understood to mean light whose spectral composition lies in the visible wavelength range (approximately 380 nm to 780 nm).
  • a combination of a white light source, z. B. a low-voltage halogen lamp, with a color filter is generally considered.
  • LEDs particularly suitable as light-emitting elements, however, are the already mentioned LEDs.
  • LEDs are so small that they can also be found inside the fitting housing in the immediate vicinity of the water inlet or water outlet. This eliminates the need to generate light from the light emitting elements via optical fibers, eg. B. optical fibers, to conduct into the area of the water inlet or water outlet opening.
  • optical fibers eg. B. optical fibers
  • a heat sink for the light-emitting elements, which is directly in contact with the water flowing through the sanitary fitting.
  • a heat sink is of course very general, d. H . even in the case of less than "four light-emitting elements, advantageously usable. For many applications it is sufficient to provide one LED for each of the four colors.
  • the light-emitting elements may be expedient to at least approximately collimate the light emitted by the light-emitting elements by means of additional optical elements.
  • One way of doing this is to place in front of a light exit surface of each element an optical component of positive refractive power which focuses the light generated by the element. If the light-emitting elements are a few LEDs, these optical components can be used as converging lenses with, if necessary, be formed aspherically shaped refractive surface. In the case of a matrix-type arrangement of a plurality of light-emitting elements, however, it may be more favorable to provide optical components for light bundling, which are called microlines. sen array, are designed as diffractive structures or a combination of the two.
  • a converging lens may be provided, which bundles (further) the light generated by the arrangement.
  • the sanitary fitting may contain a control device for adjusting the light color, which is connected to the light-emitting elements.
  • a scattering device may be provided, which may be, for example, a diffuser having an irregularly shaped or deliberately structured surface, in which latter case the typical feature size is 1 mm and preferably 0 , 1 mm should not exceed.
  • a surface can also be used on already existing optical components, eg. B. on a surface of a condenser lens, be applied.
  • Figure 1 shows a discharge head of a sanitary fitting in a schematic axial section
  • Figure 2 is an enlarged perspective view of a light source and an optical unit, which are integrated in the outlet head shown in Figure 1;
  • FIG. 3 shows another embodiment of a light source and an optical unit in a representation similar to FIG. 2, in which the light source comprises a matrix-like arrangement
  • FIG. 4 shows a single multi-color LED of the light source shown in Figure 3 in plan view.
  • FIG. 1 shows, in a schematic axial section, a discharge head 10 of a sanitary fitting which can be permanently installed in the sanitary area or can also be part of a handpiece.
  • the sanitary fitting may be z. B. to act a shower fitting, a washbasin faucet or a bathroom tap.
  • the outlet head 10 has a housing 11 and a mixing water outlet 12 contained therein, which is connected in a manner known per se to a mixer tap (not shown in FIG. 1).
  • the mixer tap is in turn connected to a hot water and a Kaltwasserzulauf ⁇ .
  • the light source 16 includes a mounted on a heat sink 20 board 22 which carries four LEDs 24a, 24b, 24c and 24d.
  • the LEDs 24a to 24d are designed to generate red, green, blue and yellow light, respectively.
  • the heat sink 20 is circumferentially provided with cooling fins 25 and installed in the outlet head 10, that the water flowing in the mixing water outlet 12 passes directly past the cooling fins 25. Since the heat sink 20 temperatures of approx. 70 °, it is ensured at the usual water temperatures in the sanitary area, that there is a temperature gradient between the heat sink 20 and the passing water. Due to the large heat capacity of water, a small temperature gradient is sufficient to achieve a good cooling effect.
  • the optical unit 18 comprises four collecting lenses 26a, 2 ⁇ b, 26c and 26d, which are accommodated in a lens holder disk 28 and each have a planar inlet surface and an aspherically convex outlet surface.
  • the collecting lenses 26a to 26d are each arranged so close to the exit windows of the LEIJs 24a to 24d that the light emitted by a single LED 24a, 24b, 24c or 24d practically completely impinges on the plane entrance surface of their each associated Sammellinse 26a, 26b, 26c and 26d.
  • the optical unit 18 further includes a plano-convex condensor lens 30 whose plane entrance surface carries a lens 32.
  • the diffusing screen may be, for example, an etched, sanded or ground wheel. A stronger scattering is obtained with volume spreading discs, as they are eg. used as frosted glass panes.
  • the plane entrance surface of the condenser lens 30 can also be directly by material removal, z. B. Etching, sanding, grinding or milling, matting or profiling to achieve a spreading effect.
  • the optical unit 18 is closed by a cover 34, which is removably attached to the housing 11 of the outlet head 10.
  • the cover 34 is provided on the outside with a coating 35, which makes the addition of lime difficult.
  • the cover 34 can be easily cleaned in this way by wet wiping.
  • the circuit board 22 of the light source 16 is connected via a power electronics 36 to a controller 38 of the outlet head 10.
  • the controller 38 has the task of individually controlling the LEDs 24a to 244.
  • the controller 38 acts on a built-in mixing water outlet 12 Solenoid valve 40, with which the exiting mixed water amount can be adjusted.
  • the controller 38 is connected to a temperature sensor 42 and a flow switch 44 which generates a switching signal when mixed water from the mixed water outlet 12 flows into the annular channel 14. Via a photodetector 46, the controller 38 can determine the brightness in a room in which the outlet head 10 is located. About an operating unit 48, the function of the outlet head 10 is controlled and, if necessary. also be programmed. For power supply, the controller 38 is connected to a voltage source 50, in which it is z. B. can act around the domestic AC mains or an accumulator. The controller 38, in which the power electronics 36 may be integrated, the photodetector 46 and the operating unit 48 may be arranged spatially remote from the remaining parts of the outlet head 10, which is indicated by a dashed line 52. Such a spatial separation is useful, for example, when the outlet head 10 forms a shower head together with a handpiece.
  • the discharge head 10 described above with reference to FIGS. 1 and 2 functions as follows:
  • the solenoid valve 40 If a user sets a desired amount and temperature of water at the operating unit 48, then the solenoid valve 40 outputs the corresponding water level and temperature. Mixer with the desired temperature released amount of water released. The mixed water, which flows in the direction indicated by arrows 54 flow direction the solenoid valve 40, actuates the flow switch 44. The controller 38 receives the information that now water from the outlet openings 15 of the outlet head 10 will emerge.
  • the controller 38 controls the LEDs 24a to 24d so that the light generated by the LEDs 24a to 24d has a color correlated to the water temperature.
  • the actual water temperature is transmitted to the controller 38 of the temperature sensor 42.
  • the color may be selected to produce blue light in cold water, red light in hot water, and white light in lukewarm water.
  • the light of the desired color is thereby generated by additive mixing of the light generated by the light-emitting diodes 24a to 24d.
  • the controller 38 can determine how bright the ambient light is. The brighter the ambient light, the higher the intensity of the light generated by the LEDs 24a to 24d must be. Only then is it ensured that the light generated by the light source 16 is perceptible to the user.
  • the LEDs 24a to 24d also generate light only when the flow switch 44 registers a water flow in the water outlet 12. In this way it is prevented that light is generated before water exits from the 5 outlet openings 15, thereby causing disturbing glare phenomena for the user.
  • the light beams generated by the individual LEDs 24a to 24d initially have an exit angle of approximately 0 130 ° immediately behind the exit windows of the LEDs 24a to 24d. to the largest possible part of the exiting
  • the aspherical lenses 2 ⁇ a to 26d collect a majority of the light generated by the LEDs 24a to 24d and direct it to the lens 32.
  • the uschetreuindustrial 32 has the task of the individual 5 LEDs 24a to 24d generated Continue to mix the light beam.
  • the light scattered in the diffusing screen 32 is further col- lected by the following condenser lens 30 and leaves the outflow head 10 via the cover disk 0 34 as a divergent, but largely homogeneous, beam bundle.
  • the bundle of rays is cylindrically surrounded by the exiting mixed water and thus illuminates the mixed water from the inside. In FIG.
  • the optical effect of the condenser lens 26a, the diffusing lens 32 and the condenser lens 30 is indicated for a single light beam 56 represented by dashed lines, which emanates from the red light-generating LED 24a.
  • the heat released by the LEDs 24a to 24d heat loss is passed through the board 22 to the heat sink 20, which is in direct thermal contact with the housing 11 of the outlet head 10. The heat loss can be delivered in this way via the heat sink 20 to the outlet head 10 flowing through mixed water.
  • a color independent of the water temperature for the light generated by the LEDs 24a through 24d may be set on the operating unit 48.
  • the choice of this color can be made according to different aspects.
  • the color can be set directly on the operating unit 48 via corresponding operating elements, for example. It is further contemplated that the color is stored in a transponder card which can cooperate with a transceiver head in the control unit 48.
  • the stored on the transponder card color z. B. be freely chosen by the user or specified by a light therapist. Additionally or alternatively, a dependence of the color on the time of day, the season or the weather comes into consideration.
  • the light source 16 contains not only three LEDs 24a, 24b, 24c for primary colors red, green and blue, but also the yellow light-generating LED 24d, it is also possible to use intense, ⁇ . x but still perceived as pleasant pastel and cream colors such as mint green or Delicate pink can be realized by additive color mixing. These colors, which are produced using a yellow component, do not change at all or only insignificantly along the propagation direction of the light, since small fluctuations in the color components, which inevitably result from demixing in the case of a divergent light bundle, have little effect on the mixed color.
  • FIG. 3 shows an alternative embodiment of the light source 16 and the optical unit 18 in a perspective illustration similar to FIG. Identical or corresponding parts are designated by reference numerals increased by 100.
  • each multi-color LED 124 has a hexagonal basic shape and contains four individual light-emitting elements 1241 to 1244 which display the colors red (R), green (FIG. G), blue (B) or yellow (Y) can be generated and are arranged on a common chip.
  • a plano-convex plastic lens 126 which reduces the light emission angle of the light generated by the elements 1241 to 1244, respectively.
  • a matrix-like arrangement of diffractive structures 126 ' is provided, which in each case have the effect of an aspherical condenser lens.
  • diffractive structures 126 ' it is also possible to use mixtures of refractive and diffractive structures.
  • the light which passes through the diffractive structures 126 ' also reaches a diffusing screen 132 in this exemplary embodiment and is bundled by a condenser lens 130 before it leaves the outlet head 10.
  • the use of matrix-like multi-color LEDs 124 and diffractive structures 126 'arranged in a matrix has the advantage that overall a very small overall height is required for the light source 16 and the optical unit 18 to be able to integrate in the outlet head 10.
  • This aspect is of particular importance when the outlet head 10 is part of a washbasin fitting. In such cases, the space in the outlet head is usually limited so that only very small light sources with high luminance can be used.

Landscapes

  • Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Public Health (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Water Supply & Treatment (AREA)
  • Epidemiology (AREA)
  • General Engineering & Computer Science (AREA)
  • Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
  • Led Device Packages (AREA)
  • Radiation-Therapy Devices (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
  • Light Guides In General And Applications Therefor (AREA)

Abstract

L'invention concerne un appareil de robinetterie comprenant un ensemble d'éléments électroluminescents (24a à 24d; 1241 à 1244) pour éclairer l'eau sortant de l'appareil de robinetterie ou entrant dans celui-ci. Selon l'invention, cet ensemble comprend des éléments électroluminescents (24a à 24c; 1241 à 1243) qui produisent de la lumière dans trois couleurs primaires, ainsi qu'au moins un élément électroluminescent (24d; 1244) qui produit de la lumière dans une couleur mélangée différente des couleurs primaires. L'invention permet de produire des couleurs mélangées d'une grande intensité dans des teintes crème ou pastel particulièrement agréables.
PCT/EP2005/013847 2005-01-05 2005-12-22 Appareil de robinetterie comprenant un ensemble d'elements electroluminescents WO2006072399A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP05823010A EP1834050A1 (fr) 2005-01-05 2005-12-22 Appareil sanitaire comprenant un ensemble d'elements electroluminescents

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102005001306A DE102005001306A1 (de) 2005-01-05 2005-01-05 Sanitärarmatur mit einer Anordnung lichtemittierender Elemente
DE102005001306.6 2005-01-05

Publications (1)

Publication Number Publication Date
WO2006072399A1 true WO2006072399A1 (fr) 2006-07-13

Family

ID=36011121

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2005/013847 WO2006072399A1 (fr) 2005-01-05 2005-12-22 Appareil de robinetterie comprenant un ensemble d'elements electroluminescents

Country Status (5)

Country Link
EP (1) EP1834050A1 (fr)
CN (1) CN101099008A (fr)
DE (1) DE102005001306A1 (fr)
RU (1) RU2416003C2 (fr)
WO (1) WO2006072399A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1967662A1 (fr) * 2007-03-05 2008-09-10 Hansa Metallwerke AG Dispositif sanitaire
US11602032B2 (en) 2019-12-20 2023-03-07 Kohler Co. Systems and methods for lighted showering

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102006052403A1 (de) * 2006-10-27 2008-04-30 Hansgrohe Ag Armatur für Badewannen
WO2009027779A2 (fr) * 2007-08-03 2009-03-05 Industrias Ramon Soler, S.A. Appareil sanitaire
DE102009032360B4 (de) * 2009-07-08 2014-07-24 GROHEDAL Sanitärsysteme GmbH Beleuchtungsring für Funktions- und Bedienelemente
CN103939782A (zh) * 2014-04-30 2014-07-23 东莞雅士电子有限公司 彩色led灯
US10697628B2 (en) * 2017-04-25 2020-06-30 Delta Faucet Company Faucet illumination device

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4749126A (en) * 1984-05-09 1988-06-07 Kessener H P M Liquid outlet adapted to provide lighting effects and/or for illumination
DE29623374U1 (de) * 1996-12-24 1998-04-16 Veigel Gunter Wasserauslaufarmatur
DE20304520U1 (de) * 2003-03-20 2003-07-03 Altura Leiden Holding B.V., Vianen Beleuchtungsvorrichtung für Sanitärelemente
DE20317375U1 (de) * 2003-11-11 2004-02-26 Modus High-Tech Electronics Gmbh Sanitärer Wasserein- oder -auslass
DE102004001256A1 (de) * 2004-01-08 2005-08-04 Christiane Grimm Kombinierter Licht- und Wasserstrahl an einer Armatur

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2288974B (en) * 1994-04-27 1998-09-30 Lin Li Sanitary installations with illuminated water
DE19654359C1 (de) * 1996-12-24 1998-08-20 Gunter Veigel Wasserauslaufarmatur
DE20209799U1 (de) * 2002-06-24 2003-11-13 Bolderheij Fok Cornelis Multifunktionsarmatur

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4749126A (en) * 1984-05-09 1988-06-07 Kessener H P M Liquid outlet adapted to provide lighting effects and/or for illumination
DE29623374U1 (de) * 1996-12-24 1998-04-16 Veigel Gunter Wasserauslaufarmatur
DE20304520U1 (de) * 2003-03-20 2003-07-03 Altura Leiden Holding B.V., Vianen Beleuchtungsvorrichtung für Sanitärelemente
DE20317375U1 (de) * 2003-11-11 2004-02-26 Modus High-Tech Electronics Gmbh Sanitärer Wasserein- oder -auslass
DE102004001256A1 (de) * 2004-01-08 2005-08-04 Christiane Grimm Kombinierter Licht- und Wasserstrahl an einer Armatur

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1967662A1 (fr) * 2007-03-05 2008-09-10 Hansa Metallwerke AG Dispositif sanitaire
US11602032B2 (en) 2019-12-20 2023-03-07 Kohler Co. Systems and methods for lighted showering
US12010776B2 (en) 2019-12-20 2024-06-11 Kohler Co. Systems and methods for lighted showering

Also Published As

Publication number Publication date
RU2007129920A (ru) 2009-02-20
DE102005001306A1 (de) 2006-07-27
RU2416003C2 (ru) 2011-04-10
CN101099008A (zh) 2008-01-02
EP1834050A1 (fr) 2007-09-19

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