EP2993386B1 - Led-lichtsystem für auditorium - Google Patents

Led-lichtsystem für auditorium Download PDF

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Publication number
EP2993386B1
EP2993386B1 EP15159756.4A EP15159756A EP2993386B1 EP 2993386 B1 EP2993386 B1 EP 2993386B1 EP 15159756 A EP15159756 A EP 15159756A EP 2993386 B1 EP2993386 B1 EP 2993386B1
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EP
European Patent Office
Prior art keywords
light
high intensity
led modules
led
auditorium
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.)
Active
Application number
EP15159756.4A
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English (en)
French (fr)
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EP2993386A1 (de
Inventor
Dennis Pearson
Michael Bremser
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.)
Tempo Industries LLC
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Tempo Industries LLC
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.)
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Publication date
Priority claimed from US14/330,409 external-priority patent/US20160014868A1/en
Priority claimed from US14/445,609 external-priority patent/US9596740B2/en
Application filed by Tempo Industries LLC filed Critical Tempo Industries LLC
Publication of EP2993386A1 publication Critical patent/EP2993386A1/de
Application granted granted Critical
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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
    • F21S2/00—Systems of lighting devices, not provided for in main groups F21S4/00 - F21S10/00 or F21S19/00, e.g. of modular construction
    • 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
    • F21V15/00—Protecting lighting devices from damage
    • F21V15/01—Housings, e.g. material or assembling of housing parts
    • F21V15/013—Housings, e.g. material or assembling of housing parts the housing being an extrusion
    • 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
    • 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
    • F21W2131/407—Lighting for industrial, commercial, recreational or military use for indoor arenas
    • 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
    • F21Y2103/10—Elongate light sources, e.g. fluorescent tubes comprising a linear array of point-like light-generating elements
    • 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]
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]

Definitions

  • the subject disclosure relates to electrical lighting systems and more particularly to a lighting system employing LED light fixtures to illuminate an auditorium or similarvenue.
  • Incandescent lighting systems for illuminating theatres, auditoriums and the like have been used in the past.
  • WO2012/129243 discloses a light fixture having a plurality of LED light bars, each of which is individually dimmable.
  • an auditorium lighting system comprising: a plurality of LED light fixtures located in a ceiling of the auditorium; a power control system; wherein each LED light fixture comprises a fixture body, each fixture body of each LED light fixture mounting a plurality of LED modules; characterised in that the plurality of LED modules comprise two different types of LED modules, comprising: first and second high intensity light LED modules for providing high intensity full level lighting, located at opposite ends of the fixture body; and one or more ambience LED modules for providing exclusively low level ambient lighting; and in that said power control system is configured to collectively switch said one or more ambience light LED modules of each LED light fixture 'on_ and 'off_ and separately to collectively switch said first and second high intensity LED modules 'on_ and 'off_ to thereby provide either low level ambient light or high intensity full level lighting to said auditorium.
  • an electric lighting fixture comprising a fixture body mounting a plurality of LED modules, characterised in that the plurality of LED modules comprise two different types of LED modules, comprising: at least first and second high intensity light LED modules for providing high intensity full level lighting, one positioned at each opposite end of said fixture body; and at least one ambience light LED module for providing exclusively low level ambient lighting, positioned between said first and second high intensity light LED modules.
  • FIGs. 1 and 2 An auditorium lighting system 11 according to an illustrative embodiment is shown in Figs. 1 and 2 . It should be understood that as used here, the term 'auditorium_ encompasses theaters such as conventional 'movie_ theaters.
  • the lighting system 11 employs a plurality of light fixtures 13 installed in or attached to a ceiling 15 above a floor 21. These light fixtures 13 can be installed at regular or irregular spacing intervals so as to achieve uniform illumination of the floor 21, which typically slopes downwardly in a multi-level, "stadium style" arrangement and on which a number of seats are positioned, typically separated by one or more aisles. In other applications, the floor 21 may be flat.
  • the junction box 16 may be positioned elsewhere in the projection booth 18 in various embodiments or in another easy-to-access location, such as, for example, above a T-bar grid at the cross aisles.
  • the junction box 16 may include controls, dimmers, surge protection, emergency back-up equipment and supplies electrical power to the light fixtures 13, as well as dimming capability.
  • Fig. 2 schematically illustrates the power feeds 23 to the fixtures 13 from the junction box 16 as three dashed lines. Remote positioning of the power system as illustrated in Figs. 1 and 2 makes wiring, dimming, and maintenance easier to manage.
  • the fixture 13 includes an elongated extrusion 29, which provides a mounting surface or surfaces 30 for a plurality of LED modules 31, 33, 35, 37, 39, 41.
  • the extrusion 29 further has respective junction boxes 43, 45 and horizontal flanges 47, 49; 51, 53 at each end.
  • the junction or "splice" boxes 43, 45 provide faster and easier wiring, while the flanges 47, 49; 51, 53 assist in mounting the fixtures 13 to cooperate with adjacent ceiling tile.
  • Fig. 6 illustrates the manner in which the flanges 47, 49; 51, 53 accommodate ceiling tile 81 in one illustrative embodiment.
  • the pairs of LED modules 31, 33; 39, 41 at opposite ends of the extrusion 13 are high intensity modules, which provide light for periods of cleaning or other maintenance.
  • the lighting system 11 employs high intensity modules, e.g., 31, 33 which are angled to the horizontal at an acute angle ⁇ of, for example, 20° (degrees) and are aimed in opposing directions in order to increase the spread of light, thereby necessitating fewer fixtures in some embodiments.
  • lenses or optics, e.g., 91 are employed in each high intensity module 31, 33 to produce a relatively intense light beam having, for example, a full width half maximum angle of 12 degrees.
  • the center LED modules 35, 37 are ambient lighting modules configured to provide ambient light to illuminate the theater or auditorium, for example, during intermission periods.
  • Other componentry shown in Figs. 4 and 5 includes the fixture housing extrusion 61, a bottom cover 78, a printed circuit board assembly ("PCBA") carrier 79, a PCBA carrier retention screw 75, a plastic dome lens 77, splice box 69 and splice box retention tab 67, electrical connector body 65, and ceiling tile flange 63.
  • the extrusion 61 may be an aluminum extrusion and the bottom cover 78 may be die cast aluminum.
  • the extrusion 61 and bottom cover 78 may be constructed as illustrated in U.S. Patent Publication 2013/0279180 A1 published October 24, 2013 , the contents of which are incorporated in their entirety herein.
  • Each LED module 31, 33, 35, 37, 39, 41 may comprise a circuit board with one or more LED emitters mounted thereon.
  • the high intensity modules 31,33; 39, 41 employ 3 emitters e.g. 40, while the ambience modules 35, 37 employ 11 emitters.
  • each emitter of the ambience modules may have an output of 40 lumens at a full width half maximum angle of 120°.
  • the LED modules 31, 33, 35, 37, 39, 41 are configured in pairs and each may be six inches in length positioned in an extrusion 29 which is 42 inches in length, together with two splice boxes 69, resulting in a total fixture length of 473 ⁇ 4".
  • Another embodiment may employ an eighteen inch long extrusion having three LED modules, together with two splice boxes 69, resulting in a total fixture length of 233 ⁇ 4".
  • such an embodiment may employ one central ambience LED module, flanked on either side by a high intensity LED module where the high intensity LED modules are angled at 20 degrees to the horizontal and oppositely directed..
  • the relatively dim ambient intermission lighting may provide 2-4 foot candles of total light, while the full level, high intensity "cleaning" light modules may provide 6-9 foot candles of total light.
  • the light delivered by the modules may be adjusted based upon the ceiling height at the location where a particular fixture 13 is positioned.
  • the ambience modules 35, 37 may be collectively switched “on” or “off” at the same time, and the high intensity modules 31, 33; 39, 41 may also be collectively switched “on” or “off” at the same time.
  • each module 31, 33, 39, 41 is powered “on” and provides high intensity illumination.
  • each ambience modules 35, 37 is powered “on” and provides ambient illumination.
  • the ambience module 35, 37 are collectively switched or turned “on”, while the high intensity modules 31, 33; 39, 41 are held or switched “off” and vice versa. In a dark state of the auditorium, all of the modules 31, 33, 35, 37, 39, 41 are in the "off” state.
  • Fig. 7 illustrates an attachment eyelet 51 on splice box 43 for attaching a fixture 13 by fasteners, e.g. 52, to a cooperating ceiling grid structure 84. Fixtures 13 may also be suspended by wires which terminate at structural elements of the building above the ceiling grid or by other mechanisms.
  • Fig. 7 further illustrates electrical power cable 85 and cable sheath 87 held in place by a clamp 87.
  • two-circuit wiring is provided to enable individual on-off and dimming control of the high intensity modules 31, 33; 39, 41 and the ambient lighting modules 35, 37.
  • junction boxes 43, 45 permit lead wires from the power supply to be connected by simply “poking” them in, and one fixture can be readily electrically interconnected to the next ("daisy chained").
  • splice box lids e.g. 82
  • fasteners e.g. 83.
  • Low voltage or line voltage embodiments can be constructed in accordance with the above teachings.

Claims (14)

  1. Auditoriumsbeleuchtungssystem, umfassend:
    eine Vielzahl von LED-Leuchten (13), die in einer Decke des Auditoriums angeordnet sind;
    ein Energiesteuersystem;
    wobei jede LED-Leuchte (13) einen Grundkörper umfasst, wobei jeder Grundkörper einer jeden LED-Leuchte eine Vielzahl von LED-Modulen (31,33,35, 37, 39, 41) hält;
    dadurch gekennzeichnet, dass die Vielzahl von LED-Modulen (31, 33, 35, 37, 39, 41) zwei unterschiedliche Typen von LED-Modulen umfassen, die Folgendes umfassen:
    erste und zweite LED-Module mit Licht hoher Intensität (31, 41), die eine starke Beleuchtung mit hoher Intensität bereitstellen und an entgegengesetzten Enden des Grundkörpers angeordnet sind; und
    ein oder mehrere Umgebungs-LED-Module (35, 37), die ausschließlich eine schwache Umgebungsbeleuchtung bereitstellen; und dadurch, dass das Energiesteuersystem konfiguriert ist, das eine oder die mehreren Umgebungs-LED-Module (35, 37) einer jeden LED-Leuchte zusammen 'ein_ und 'aus_ zu schalten, und die ersten und zweiten LED-Module mit hoher Intensität (31, 41) einer jeden LED-Leuchte 'ein_ und 'aus_ zu schalten, um somit entweder schwaches Umgebungslicht oder eine starke Beleuchtung mit hoher Intensität für das Auditorium bereitzustellen.
  2. Auditoriumsbeleuchtungssystem nach Anspruch 1, wobei die schwache Umgebungsbeleuchtung während eines Unterbrechungszeitraums verwendet wird und die Beleuchtung mit hoher Intensität während eines Reinigungszeitraums des Auditoriums verwendet wird.
  3. Auditoriumsbeleuchtungssystem nach Anspruch 1 oder 2, wobei mindestens eines des einen oder der mehreren Umgebungs-LED-Module (35, 37) konfiguriert ist, dimmbar zu sein.
  4. Auditoriumsbeleuchtungssystem nach einem der Ansprüche 1 bis 3, wobei mindestens eines der ersten und zweiten LED-Module mit Licht hoher Intensität (31, 33, 39, 41) konfiguriert ist, dimmbar zu sein.
  5. Auditoriumsbeleuchtungssystem nach einem der Ansprüche 1 bis 4, wobei ein Paar der LED-Module mit Licht hoher Intensität (31, 33) abgewinkelt ist, damit Licht in entgegengesetzte Richtungen gestrahlt wird.
  6. Auditoriumsbeleuchtungssystem nach einem der Ansprüche 1 bis 5, wobei ein erstes der LED-Module mit Licht hoher Intensität (31, 33, 39, 41) Licht in einem Winkel von 20 Grad zur Horizontalen strahlt; während ein zweites der LED-Module mit Licht hoher Intensität (31, 33, 39, 41) Licht in einem Winkel von 20 Grad zur Horizontalen in einer Richtung strahlt, die der, in der das erste LED-Modul mit Licht hoher Intensität (31, 33, 39, 41) Licht strahlt, entgegengesetzt ist.
  7. Auditoriumsbeleuchtungssystem nach einem der Ansprüche 1 bis 6, wobei eines oder mehrere der ersten und zweiten LED-Module mit hoher Intensität (31, 33, 39, 41) konfiguriert sind, einen Lichtstrahl zu erzeugen, der eine maximalen Vollbreiten-Halbwinkel im Bereich von 12 bis 35 Grad aufweist.
  8. Auditoriumsbeleuchtungssystem nach einem der Ansprüche 1 bis 7, wobei die Umgebungs-LED-Module (35, 37) Licht mit 21,53 bis43,06 lux (2 bis4 Footcandle) bereitstellen und die LED-Module mit Licht hoher Intensität (31, 33, 39, 41) Licht mit 64,58 bis 96,88 lux (6 bis 9 Footcandle) bereitstellen.
  9. Auditoriumsbeleuchtungssystem nach einem der Ansprüche 1 bis 8, wobei das Energiesteuersystem in einem Bereich angeordnet ist, der von der Vielzahl von LED-Leuchten (13) getrennt ist.
  10. Elektrische Leuchte, umfassend:
    einen Grundkörper, der eine Vielzahl von LED-Modulen (31, 33, 35, 37, 39, 41) hält, dadurch gekennzeichnet, dass die Vielzahl von LED-Modulen (31, 33, 35, 37, 39, 41) zwei unterschiedliche Typen von LED-Modulen umfassen, die Folgendes umfassen:
    mindestens erste und zweite LED-Module mit Licht hoher Intensität (31, 33, 39, 41), die eine starke Beleuchtung mit hoher Intensität bereitstellen, wobei eins an jedem entgegengesetzten Ende des Grundkörpers angeordnet ist; und
    mindestens ein Umgebungs-LED-Modul (35, 37), das ausschließlich eine schwache Umgebungsbeleuchtung bereitstellt und zwischen den ersten und zweiten LED-Modulen mit Licht hoher Intensität (31, 33, 39, 41) angeordnet ist.
  11. Elektrische Leuchte nach Anspruch 10, wobei die ersten und zweiten LED-Module mit hoher Intensität (31, 33, 39, 41) konfiguriert sind, Licht mit hoher Intensität bereitzustellen, das zum Beleuchten eines Auditoriums zur Reinigung geeignet ist.
  12. Elektrische Leuchte nach Anspruch 10 oder 11, wobei das mindestens eine Umgebungs-LED-Modul (35, 37) konfiguriert ist, schwaches Licht bereitzustellen, das zur Verwendung während Unterbrechungspausen geeignet ist.
  13. Elektrische Leuchte nach einem der Ansprüche 10 bis 12, die ferner ein Paar LED-Module mit Licht hoher Intensität (31, 33, 39, 41) umfasst, die abgewinkelt sind, damit Licht in entgegengesetzte Richtungen gestrahlt wird.
  14. Elektrische Leuchte nach einem der Ansprüche 10 bis 13, wobei ein erstes der LED-Module mit Licht hoher Intensität (31, 33, 39, 41) Licht in einem Winkel von 20 Grad zur Horizontalen strahlt; während ein zweites der LED-Module mit Licht hoher Intensität (31, 33, 39, 41) Licht in einem Winkel von 20 Grad zur Horizontalen in einer Richtung strahlt, die der, in der das erste LED-Modul mit Licht hoher Intensität (31, 33, 39, 41) Licht strahlt, entgegengesetzt ist.
EP15159756.4A 2014-07-14 2015-03-18 Led-lichtsystem für auditorium Active EP2993386B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US14/330,409 US20160014868A1 (en) 2014-07-14 2014-07-14 LED Auditorium House Light System
US14/445,609 US9596740B2 (en) 2014-07-14 2014-07-29 LED auditorium house light system

Publications (2)

Publication Number Publication Date
EP2993386A1 EP2993386A1 (de) 2016-03-09
EP2993386B1 true EP2993386B1 (de) 2017-10-18

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EP15159756.4A Active EP2993386B1 (de) 2014-07-14 2015-03-18 Led-lichtsystem für auditorium

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Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2011139764A2 (en) * 2010-04-27 2011-11-10 Cooper Technologies Company Linkable linear light emitting diode system
EP3735109A3 (de) * 2011-03-21 2020-12-02 Digital Lumens Incorporated Verfahren, vorrichtung und systeme zur bereitstellung einer auf einer insassenanzahl beruhenden variablen beleuchtung
US9261263B2 (en) 2012-04-23 2016-02-16 Tempo Industries, Llc Commercial lighting integrated platform

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
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