EP1460333A1 - Projecteur pour piscines émettant sélectivement de la lumière variable et colorée - Google Patents

Projecteur pour piscines émettant sélectivement de la lumière variable et colorée Download PDF

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Publication number
EP1460333A1
EP1460333A1 EP04425064A EP04425064A EP1460333A1 EP 1460333 A1 EP1460333 A1 EP 1460333A1 EP 04425064 A EP04425064 A EP 04425064A EP 04425064 A EP04425064 A EP 04425064A EP 1460333 A1 EP1460333 A1 EP 1460333A1
Authority
EP
European Patent Office
Prior art keywords
projector according
projector
casing
leds
swimming pools
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.)
Withdrawn
Application number
EP04425064A
Other languages
German (de)
English (en)
Inventor
Paolo Ferrari
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.)
Cappa SNC
Original Assignee
Cappa SNC
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 Cappa SNC filed Critical Cappa SNC
Publication of EP1460333A1 publication Critical patent/EP1460333A1/fr
Withdrawn legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S8/00—Lighting devices intended for fixed installation
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S9/00—Lighting devices with a built-in power supply; Systems employing lighting devices with a built-in power supply
    • F21S9/02—Lighting devices with a built-in power supply; Systems employing lighting devices with a built-in power supply the power supply being a battery or accumulator
    • F21S9/03—Lighting devices with a built-in power supply; Systems employing lighting devices with a built-in power supply the power supply being a battery or accumulator rechargeable by exposure to light
    • 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
    • F21V23/00—Arrangement of electric circuit elements in or on lighting devices
    • F21V23/04—Arrangement of electric circuit elements in or on lighting devices the elements being switches
    • F21V23/0435—Arrangement of electric circuit elements in or on lighting devices the elements being switches activated by remote control means
    • 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
    • F21V31/00—Gas-tight or water-tight arrangements
    • F21V31/005—Sealing arrangements therefor
    • 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
    • F21W2121/00—Use or application of lighting devices or systems for decorative purposes, not provided for in codes F21W2102/00 – F21W2107/00
    • F21W2121/02—Use or application of lighting devices or systems for decorative purposes, not provided for in codes F21W2102/00 – F21W2107/00 for fountains
    • 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
    • F21W2131/401—Lighting for industrial, commercial, recreational or military use for swimming pools
    • 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
    • F21Y2113/00—Combination of light sources
    • F21Y2113/10—Combination of light sources of different colours
    • F21Y2113/13—Combination of light sources of different colours comprising an assembly of point-like light sources
    • 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

  • This invention concerns a projector or lamp for swimming pools emitting selectively variable coloured light.
  • swimming pools are generally provided with a lighting system comprising projectors arranged along the walls of the swimming pool, normally in a submerged position, to illuminate said swimming pool and to create a pleasing aesthetic effect.
  • Said projectors essentially comprise a lamp, a front flange fitted flush with the edge of the swimming pool and a rear cupola, fixed to the flange by screws that is watertight against the body of the lamp by means of a seal and protects the electrical contacts.
  • the lamp is of the traditional type with an incandescent filament, and emits white light.
  • a multicoloured LED lamp for the underwater lighting of swimming pools is disclosed in particular in US 6.184.628, which discloses a lamp with a bulb with a substantially truncated tapered shape, a front lens sealed thereto, a plurality of LED diodes of different colours fitted to a card inside the bulb, a control circuit, and a screw base of the standard type that is identical to those of common incandescent lamps.
  • this lamp can be used only if watertight assembly seats already exist on the walls of the swimming pool that are compatible with said screw base, and if the electrical system has the required voltage. Otherwise, the advantages of the LED diodes would be overcome by high installation costs.
  • thermal dissipation from the electronic control may be not negligible, making necessary to optimise thermal dissipation in order to ensure that the lamp can operate safely and reliably even at relatively high ambient temperatures.
  • the object of this invention is to eliminate said disadvantages.
  • the object of the invention is to realize a projector for swimming pools that enables the color of the light emitted to be selectively varied and which furthermore has better performance, longer life, lower consumption and lower operating costs compared with a traditional projector,.
  • Another object is to make the lamp constituting the projector also usable in swimming pools or tanks without a fixed electrical system, both as a floating lamp for decorative lighting effects and as an underwater lamp for lighting.
  • a further object is to create a lamp with optimal heat-dispersion characteristics, that is able to use the latest generation of high-power and high-performance LED diodes, that can also work at relatively high ambient temperatures, for example in summer, without drawbacks.
  • a projector for swimming pools emitting selectively variable coloured light comprising a casing, a lighting device consisting of a set of LEDs subdivided into groups of different colours, and a front lens, characterised in that it comprises an electronic control that is housed in said watertight casing, and furthermore comprises dedicated control units for said groups of LEDs of different colours.
  • the LEDS are provided in the three colours red, green and blue, plus a possible fourth group of LEDs with white or amber light, with respective dedicated control units.
  • the waterproof casing is of standard diameter and dimensions, for example identical to those of a standard PAR 56 lamp, which is most commonly used in swimming pools.
  • the projector comprises screw clamps for electrical connection, of the same type as those of the PAR 56 projectors; it furthermore comprises a waterproof cover with which a flexible cable is associated, said cable being connectable to the clamps, if an assembly seat with electric cables is not available, for example in swimming pools without their own lighting system or for use as a floating lamp.
  • the waterproof casing has an IP 68 protection grade, which enables it to operate fully submerged.
  • two support plates are provided respectively for the electronic control and for the LEDs, which cooperate for transmitting the heat to the entire casing of the lamp.
  • the invention also provides for the use of LED diodes comprising an emitter and a collimated optical system to increase lighting performance.
  • a radio-wave or infrared remote control is provided.
  • the main advantage of the invention is the possibility of selectively varying the colour of the light emitted by the projector thanks to the presence of the groups of LEDs of different colours connected to the respective control units.
  • a further advantage stems from the compactness of the projector and from the fact that the projector in itself is made up of a waterproof lamp and comprises within itself all the components required for operation.
  • the multicoloured LED lamp that is thus obtained can be installed instead of a traditional incandescent lamp, without any modification to or adaptation of the assembly seat and/or the electrical system, therefore with maximum convenience and minimal expense.
  • a further advantage is that the lamp, being in itself waterproof, can be placed directly in the water, floating or completely submerged, and does not require particular assembly procedures.
  • the invention concerns a projector, or lamp, for swimming pools basically comprising a casing 1, a lighting device 2, a front lens 3.
  • the lighting device 2 comprises a set of LEDs 4, consisting of LEDS serially connected together and subdivided into groups of different colours.
  • three groups of LEDS of the basic colours i.e. red, green and blue, are used to obtain a light of any colour by combining said basic colours.
  • a white or amber light unit can be added to these three coloured units.
  • the lighting device 2 further comprises an electronic control 5, placed directly into the casing 1 and basically comprising a voltage stabiliser, a microprocessor and dedicated control units, connected to said groups of LEDs of different colours.
  • a seal 6 is interposed between the casing 1 and the lens 3, that makes the casing 1 waterproof and enables said electronic control 5 and the electric contacts to be housed therein.
  • a waterproof lead 7 is provided for the passage of a power cable C.
  • the front lens 3 is advantageously a borosilicate lens, with diffusing treatment.
  • the waterproof casing 1 can for example be made with a forged stainless steel dome.
  • the projector can be advantageously powered at low voltage, e.g. 12 or 24 V and with direct current; in view of the low voltage required, it can also be powered by a battery or by photovoltaic solar panels.
  • a power transformer which is also preferably housed in the casing 1.
  • the projector advantageously also comprises a sensor 8 and a radio or infrared remote control that is not illustrated for switching on or switching off the selection of the colour and the control of any special or stroboscopic effects.
  • the projector is made with a standard diameter, typically 178 mm.
  • the projector has been made with a diameter and dimensions that are substantially identical to those of a 12-volt PAR 56 incandescent lamp, which is the most widely used type in the field of swimming-pool lighting.
  • the projector according to the invention is waterproof and can ensure an IP 68 protection grade.
  • the IP 68 protection grade is preferred because it enables the projector to operate completely submerged.
  • a waterproof rear cover 22 is also provided that is fitted with an electric cable C connectable to said clamps 20 and 21, and passing through said cover 22 by means of a seal 23 obtained, for example, with epoxy resin.
  • a seal 23 obtained, for example, with epoxy resin.
  • the cover 22 is connected to the casing 1 by a quick-fit connection that in the illustrated example is obtained by a threaded fitting 24 with a seal 25.
  • a quick-fit connection that in the illustrated example is obtained by a threaded fitting 24 with a seal 25.
  • a first plate 30 that supports the electronic command 5 and a second plate 31 that supports the LED diodes 4.
  • the presence of the two separate plates enables the transmission of heat by conduction to the external casing to be improved.
  • the plates 30 and 31 are advantageously in aluminium, due to the high heat conductivity coefficient of this material.
  • the LEDs advantageously comprise an emitter 40 and a collimated optical system 41. This feature enables a cone of light to be obtained with an amplitude of approximately 40° and even more on the horizontal plane, and of approximately 20° on the vertical plane.
  • Figures 5 and 6 illustrate two diagrams of the emitted cone of light and give the distance L from the lamp centre and the diameter D of the cone of light, in metres.
  • a further constructional feature is the positioning of silicon salts 50 inside the lamp to absorb excess humidity. This is because in a LED lamp like the one disclosed the process of removal of the air from the glass bulb that is used for traditional lamps cannot generally be actuated.
  • Fig. 7 illustrates its use as a wall-mounted projector for swimming pools, below the level of the water
  • Fig. 8 illustrates the possibility of using it in tanks or swimming pools without a lighting system, with the relative recessed seats for the projectors
  • Figs. 9 and 10 refer to its use as a floating projector to create particular effects and luminous choreography
  • Fig. 11 illustrates the possibility of using the projector also as a luminous danger or warning signal
  • Fig. 12 shows another possible arrangement, with the projectors floating in the comers of the swimming pool, pointing downwards.
  • the projector according to the example permits much greater durability and energy savings up to 80%, with the same light emissions as a traditional projector for swimming pools.
  • a projector according to the example with average consumption of 10 W and maximum consumption of 20 W replaces a traditional 300-W lamp.
  • the instantaneous on-off capability of the LEDs enables to be obtain stroboscopic and sequential effects that are virtually impossible with filament lamps, because of their natural inertia.
  • the projector can be substituted for the incandescent lamp of a pre-existing projector, transforming a traditional white-light lighting system of a swimming pool into a selectively variable colour lighting system without any modification to the other parts of the system.
  • the invention can obviously be implemented in numerous variations, thus constituting a creative instrument for interior designers and architects.
EP04425064A 2003-03-18 2004-02-05 Projecteur pour piscines émettant sélectivement de la lumière variable et colorée Withdrawn EP1460333A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ITCR20030003U 2003-03-18
IT000003U ITCR20030003U1 (it) 2003-03-18 2003-03-18 Proiettore per piscine a luce di colore selettivamente variabile

Publications (1)

Publication Number Publication Date
EP1460333A1 true EP1460333A1 (fr) 2004-09-22

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EP04425064A Withdrawn EP1460333A1 (fr) 2003-03-18 2004-02-05 Projecteur pour piscines émettant sélectivement de la lumière variable et colorée

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EP (1) EP1460333A1 (fr)
IT (1) ITCR20030003U1 (fr)

Cited By (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1840450A1 (fr) * 2006-03-28 2007-10-03 Sacopa S.A.U. Spot submersible
EP1850063A1 (fr) * 2006-04-25 2007-10-31 Sacopa S.A.U. Projecteur de lumière subaquatique
ES2288085A1 (es) * 2005-08-10 2007-12-16 Ghesa Ingenieria Y Tecnologia, S.A. Sistema de iluminacion multimedia y foco necesario.
DE102005060971B4 (de) * 2005-01-06 2009-01-22 Anteya Technology Corp. Hochleistungs-LED-Farbleuchte mit Infrarot-Fernbedienungsfunktion
ITCR20080022A1 (it) * 2008-10-16 2010-04-17 Teodoro Carvali Proiettore a led per produrre particolari effetti luminosi e cromatici
ITMI20100288A1 (it) * 2010-02-23 2011-08-24 Simone Rossi Lampada
WO2012136907A1 (fr) 2011-04-06 2012-10-11 Bright In Research & Development (Sarl) Procédé et dispositif d'éclairage a leds programmable
RU2464491C2 (ru) * 2006-08-24 2012-10-20 Дженерал Электрик Компани Большая лампа-пар, показывающая превосходный цвет, с повышенной эффективностью и сроком службы
WO2012037574A3 (fr) * 2010-09-17 2012-11-01 DeepSea Power and Light, Inc. Appareils d'éclairage sphériques à del dotés d'une dissipation de chaleur améliorée
WO2014043135A1 (fr) * 2012-09-14 2014-03-20 Jiansheng Wang Projection sous l'eau
WO2015031906A1 (fr) * 2013-08-31 2015-03-05 Deepsea Power & Light Lampes à led avec connecteur pouvant être entretenu et barrière contre l'eau interne pour utilisation en eaux profondes
JP2016086777A (ja) * 2014-11-10 2016-05-23 章男 川島 光源装置及びそれを備えた水中集魚灯
US10359188B1 (en) 2010-09-17 2019-07-23 Deepsea Power & Light Llc LED lights for deep ocean use
FR3098567A1 (fr) * 2019-07-09 2021-01-15 Fd Eclairage Architectural « Spot à Led et installation composée de tels spots »
US20220010953A1 (en) * 2020-07-09 2022-01-13 Pentair Water Pool And Spa, Inc. Underwater light assembly and method

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE29806452U1 (de) * 1998-04-08 1998-07-02 Kaspar Lothar Schwimmfähige Leuchte als Teichleuchte oder Poolleuchte
DE19747980A1 (de) * 1997-10-30 1999-05-06 Wts Kereskedelmi Es Szolgaltat Beleuchtungskörper für Schwimmbäder und ähnliches
US6184628B1 (en) * 1999-11-30 2001-02-06 Douglas Ruthenberg Multicolor led lamp bulb for underwater pool lights
DE20104098U1 (de) * 2001-03-09 2001-07-19 Bad & Pool Gmbh Effektleuchte zur Unterwasserbeleuchtung von Whirlwannen, Pools u.dgl.
DE10010606A1 (de) * 2000-03-03 2001-09-06 Wts Kereskedelmi Es Szolgaltat Beleuchtungskörper für Feuchträume aller Art
US6340868B1 (en) * 1997-08-26 2002-01-22 Color Kinetics Incorporated Illumination components

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6340868B1 (en) * 1997-08-26 2002-01-22 Color Kinetics Incorporated Illumination components
DE19747980A1 (de) * 1997-10-30 1999-05-06 Wts Kereskedelmi Es Szolgaltat Beleuchtungskörper für Schwimmbäder und ähnliches
DE29806452U1 (de) * 1998-04-08 1998-07-02 Kaspar Lothar Schwimmfähige Leuchte als Teichleuchte oder Poolleuchte
US6184628B1 (en) * 1999-11-30 2001-02-06 Douglas Ruthenberg Multicolor led lamp bulb for underwater pool lights
DE10010606A1 (de) * 2000-03-03 2001-09-06 Wts Kereskedelmi Es Szolgaltat Beleuchtungskörper für Feuchträume aller Art
DE20104098U1 (de) * 2001-03-09 2001-07-19 Bad & Pool Gmbh Effektleuchte zur Unterwasserbeleuchtung von Whirlwannen, Pools u.dgl.

Cited By (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102005060971B4 (de) * 2005-01-06 2009-01-22 Anteya Technology Corp. Hochleistungs-LED-Farbleuchte mit Infrarot-Fernbedienungsfunktion
ES2288085A1 (es) * 2005-08-10 2007-12-16 Ghesa Ingenieria Y Tecnologia, S.A. Sistema de iluminacion multimedia y foco necesario.
US7575333B2 (en) 2006-03-28 2009-08-18 Sacopa, S.A.U. Submersible spotlight
EP1840450A1 (fr) * 2006-03-28 2007-10-03 Sacopa S.A.U. Spot submersible
EP1850063A1 (fr) * 2006-04-25 2007-10-31 Sacopa S.A.U. Projecteur de lumière subaquatique
RU2464491C2 (ru) * 2006-08-24 2012-10-20 Дженерал Электрик Компани Большая лампа-пар, показывающая превосходный цвет, с повышенной эффективностью и сроком службы
ITCR20080022A1 (it) * 2008-10-16 2010-04-17 Teodoro Carvali Proiettore a led per produrre particolari effetti luminosi e cromatici
WO2010043956A1 (fr) * 2008-10-16 2010-04-22 Teodoro Carvali Projecteur à diodes électroluminescentes pour produire des effets particuliers de lumière et de couleur
ITMI20100288A1 (it) * 2010-02-23 2011-08-24 Simone Rossi Lampada
WO2012037574A3 (fr) * 2010-09-17 2012-11-01 DeepSea Power and Light, Inc. Appareils d'éclairage sphériques à del dotés d'une dissipation de chaleur améliorée
EP3062016A1 (fr) * 2010-09-17 2016-08-31 Deepsea Power And Light, Inc. Luminaires sphériques à del à dissipation de chaleur améliorée
US10359188B1 (en) 2010-09-17 2019-07-23 Deepsea Power & Light Llc LED lights for deep ocean use
US10837633B1 (en) 2010-09-17 2020-11-17 SeeScan, Inc. LED lights for deep ocean use
WO2012136907A1 (fr) 2011-04-06 2012-10-11 Bright In Research & Development (Sarl) Procédé et dispositif d'éclairage a leds programmable
WO2014043135A1 (fr) * 2012-09-14 2014-03-20 Jiansheng Wang Projection sous l'eau
WO2015031906A1 (fr) * 2013-08-31 2015-03-05 Deepsea Power & Light Lampes à led avec connecteur pouvant être entretenu et barrière contre l'eau interne pour utilisation en eaux profondes
JP2016086777A (ja) * 2014-11-10 2016-05-23 章男 川島 光源装置及びそれを備えた水中集魚灯
FR3098567A1 (fr) * 2019-07-09 2021-01-15 Fd Eclairage Architectural « Spot à Led et installation composée de tels spots »
US20220010953A1 (en) * 2020-07-09 2022-01-13 Pentair Water Pool And Spa, Inc. Underwater light assembly and method
US11603986B2 (en) * 2020-07-09 2023-03-14 Pentair Water Pool And Spa, Inc. Underwater light assembly and method

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