US20210156555A1 - Thermally dissipative unibody lighting structure - Google Patents

Thermally dissipative unibody lighting structure Download PDF

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Publication number
US20210156555A1
US20210156555A1 US16/818,220 US202016818220A US2021156555A1 US 20210156555 A1 US20210156555 A1 US 20210156555A1 US 202016818220 A US202016818220 A US 202016818220A US 2021156555 A1 US2021156555 A1 US 2021156555A1
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United States
Prior art keywords
mounting plate
spine
housing
braces
fins
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US16/818,220
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US11015796B1 (en
Inventor
Christopher D. Nolan
Joseph R. Casper
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M3 Innovation LLC
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M3 Innovation LLC
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Priority to US16/818,220 priority Critical patent/US11015796B1/en
Priority to PCT/US2020/062147 priority patent/WO2021108488A1/en
Assigned to M3 Innovation, LLC reassignment M3 Innovation, LLC ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: CASPER, JOSEPH R., NOLAN, CHRISTOPHER D.
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    • 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
    • F21V29/00—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
    • F21V29/50—Cooling arrangements
    • F21V29/70—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks
    • F21V29/74—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks with fins or blades
    • F21V29/76—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks with fins or blades with essentially identical parallel planar fins or blades, e.g. with comb-like cross-section
    • 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
    • F21S8/08—Lighting devices intended for fixed installation with a standard
    • F21S8/085—Lighting devices intended for fixed installation with a standard of high-built type, e.g. street light
    • F21S8/086—Lighting devices intended for fixed installation with a standard of high-built type, e.g. street light with lighting device attached sideways of the standard, e.g. for roads and highways
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
    • A61L2/00—Methods or apparatus for disinfecting or sterilising materials or objects other than foodstuffs or contact lenses; Accessories therefor
    • A61L2/02—Methods or apparatus for disinfecting or sterilising materials or objects other than foodstuffs or contact lenses; Accessories therefor using physical phenomena
    • A61L2/08—Radiation
    • A61L2/10—Ultraviolet radiation
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
    • A61L2/00—Methods or apparatus for disinfecting or sterilising materials or objects other than foodstuffs or contact lenses; Accessories therefor
    • A61L2/24—Apparatus using programmed or automatic operation
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
    • A61L2/00—Methods or apparatus for disinfecting or sterilising materials or objects other than foodstuffs or contact lenses; Accessories therefor
    • A61L2/26—Accessories or devices or components used for biocidal treatment
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
    • A61L9/00—Disinfection, sterilisation or deodorisation of air
    • A61L9/16—Disinfection, sterilisation or deodorisation of air using physical phenomena
    • A61L9/18—Radiation
    • A61L9/20—Ultraviolet radiation
    • 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
    • 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
    • F21S2/005—Systems of lighting devices, not provided for in main groups F21S4/00 - F21S10/00 or F21S19/00, e.g. of modular construction of modular construction
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S4/00—Lighting devices or systems using a string or strip of light sources
    • F21S4/20—Lighting devices or systems using a string or strip of light sources with light sources held by or within elongate supports
    • F21S4/28—Lighting devices or systems using a string or strip of light sources with light sources held by or within elongate supports rigid, e.g. LED bars
    • 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
    • F21S8/043—Lighting devices intended for fixed installation intended only for mounting on a ceiling or the like overhead structures mounted by means of a rigid support, e.g. bracket or arm
    • 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
    • F21S8/08—Lighting devices intended for fixed installation with a standard
    • F21S8/085—Lighting devices intended for fixed installation with a standard of high-built type, e.g. street 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
    • F21V21/00—Supporting, suspending, or attaching arrangements for lighting devices; Hand grips
    • F21V21/002—Supporting, suspending, or attaching arrangements for lighting devices; Hand grips making direct electrical contact, e.g. by piercing
    • 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
    • F21V21/00—Supporting, suspending, or attaching arrangements for lighting devices; Hand grips
    • F21V21/005—Supporting, suspending, or attaching arrangements for lighting devices; Hand grips for several lighting devices in an end-to-end arrangement, i.e. light tracks
    • 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
    • F21V21/00—Supporting, suspending, or attaching arrangements for lighting devices; Hand grips
    • F21V21/14—Adjustable mountings
    • 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
    • F21V21/00—Supporting, suspending, or attaching arrangements for lighting devices; Hand grips
    • F21V21/14—Adjustable mountings
    • F21V21/30—Pivoted housings or frames
    • 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
    • F21V23/003—Arrangement of electric circuit elements in or on lighting devices the elements being electronics drivers or controllers for operating the light source, e.g. for a LED array
    • 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
    • F21V23/003—Arrangement of electric circuit elements in or on lighting devices the elements being electronics drivers or controllers for operating the light source, e.g. for a LED array
    • F21V23/007—Arrangement of electric circuit elements in or on lighting devices the elements being electronics drivers or controllers for operating the light source, e.g. for a LED array enclosed in a casing
    • F21V23/008—Arrangement of electric circuit elements in or on lighting devices the elements being electronics drivers or controllers for operating the light source, e.g. for a LED array enclosed in a casing the casing being outside the housing of the lighting device
    • 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
    • F21V23/00—Arrangement of electric circuit elements in or on lighting devices
    • F21V23/06—Arrangement of electric circuit elements in or on lighting devices the elements being coupling devices, e.g. connectors
    • 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
    • F21V29/00—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
    • F21V29/50—Cooling arrangements
    • F21V29/70—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks
    • F21V29/74—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks with fins or blades
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R24/00—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure
    • H01R24/84—Hermaphroditic coupling devices
    • 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]
    • H05B45/10—Controlling the intensity of the light
    • 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]
    • H05B45/30—Driver circuits
    • H05B45/37—Converter circuits
    • 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]
    • H05B45/40—Details of LED load circuits
    • H05B45/42—Antiparallel configurations
    • 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]
    • H05B45/40—Details of LED load circuits
    • H05B45/44—Details of LED load circuits with an active control inside an LED matrix
    • 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
    • H05B47/00—Circuit arrangements for operating light sources in general, i.e. where the type of light source is not relevant
    • H05B47/10—Controlling the light source
    • H05B47/155—Coordinated control of two or more light sources
    • 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
    • H05B47/00—Circuit arrangements for operating light sources in general, i.e. where the type of light source is not relevant
    • H05B47/10—Controlling the light source
    • H05B47/165—Controlling the light source following a pre-assigned programmed sequence; Logic control [LC]
    • 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
    • H05B47/00—Circuit arrangements for operating light sources in general, i.e. where the type of light source is not relevant
    • H05B47/10—Controlling the light source
    • H05B47/175—Controlling the light source by remote control
    • H05B47/19—Controlling the light source by remote control via wireless transmission
    • 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
    • H05B47/00—Circuit arrangements for operating light sources in general, i.e. where the type of light source is not relevant
    • H05B47/20—Responsive to malfunctions or to light source life; for protection
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
    • A61L2202/00—Aspects relating to methods or apparatus for disinfecting or sterilising materials or objects
    • A61L2202/10—Apparatus features
    • A61L2202/11—Apparatus for generating biocidal substances, e.g. vaporisers, UV lamps
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
    • A61L2202/00—Aspects relating to methods or apparatus for disinfecting or sterilising materials or objects
    • A61L2202/10—Apparatus features
    • A61L2202/14—Means for controlling sterilisation processes, data processing, presentation and storage means, e.g. sensors, controllers, programs
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
    • A61L2202/00—Aspects relating to methods or apparatus for disinfecting or sterilising materials or objects
    • A61L2202/20—Targets to be treated
    • A61L2202/25—Rooms in buildings, passenger compartments
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
    • A61L2209/00—Aspects relating to disinfection, sterilisation or deodorisation of air
    • A61L2209/10—Apparatus features
    • A61L2209/11—Apparatus for controlling air treatment
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
    • A61L2209/00—Aspects relating to disinfection, sterilisation or deodorisation of air
    • A61L2209/10—Apparatus features
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    • 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
    • F21W2131/10—Outdoor lighting
    • F21W2131/105—Outdoor lighting of arenas or the like
    • 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
    • F21Y2105/00—Planar light sources
    • F21Y2105/10—Planar light sources comprising a two-dimensional array of point-like light-generating elements
    • F21Y2105/14—Planar light sources comprising a two-dimensional array of point-like light-generating elements characterised by the overall shape of the two-dimensional array
    • F21Y2105/16—Planar light sources comprising a two-dimensional array of point-like light-generating elements characterised by the overall shape of the two-dimensional array square or rectangular, e.g. for light panels
    • 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 present invention relates to sports lighting systems and, more specifically, to a modular luminaire having a thermally dissipative housing.
  • Luminaires are typically mounted to a support pole in cluster using cross-arms that are mounted to an extend laterally from the support pole to allow for a wider range of illumination, thereby requiring the use of specialized supporting structure and equipment.
  • the lighting elements of the luminaires generate heat that must be dissipated in order to protect the components from damage or decay. Accordingly, there is the need in the art for a luminaire that can be mounted to a support pole without the need for support arms and that can provide for thermal dissipation of heat generated by the lighting elements.
  • the present invention provides a luminaire housing that is self-supporting and that can additionally support additional housings mounted thereto and to a support pol without the need for cross arms.
  • the housing comprises a mounting plate, a spine spaced apart from the mounting plate, and a plurality of fins extending between the mounting plate and the spine, and a set of braces coupled to and extending from the mounting plate to the spine.
  • a first plurality of the set of braces extend perpendicularly from the mounting plate and are coupled to the spine and a second plurality of the set of braces extend obliquely from the mounting plate and are coupled to the spine to form a supporting truss arrangement.
  • the plurality of fins are generally triangular and extend from a base that is coupled to the mounting plate to an apex that is coupled to the spine.
  • the mounting plate is rectangular and extends along a plane that is parallel to a longitudinal axis of the housing.
  • the spine extends longitudinally from the first coupler to the second coupler and may be curved.
  • the set of braces are aligned along the mounting plate to intersect the longitudinal axis of the housing.
  • the mounting plate, the set of braces, and the spine may be formed as an integral unit to improve thermal dissipation.
  • FIG. 1 is a first perspective view of a housing for a luminaire having a thermally dissipative unibody
  • FIG. 2 is a second perspective view of a housing for a luminaire having a thermally dissipative unibody
  • FIG. 3 is a side view of a housing for a luminaire having a thermally dissipative unibody
  • FIG. 4 is an end view of a housing for a luminaire having a thermally dissipative unibody
  • FIG. 5 is a cross-section of a housing for a luminaire having a thermally dissipative unibody taken along Line A-A of FIG. 4 ;
  • FIG. 6 is a cross-section of a housing for a luminaire having a thermally dissipative unibody taken along Line B-B of FIG. 4 .
  • housing 10 for forming a luminaire accordingly to the present invention that has improved heat dissipation. More specifically, housing 10 extends along a longitudinal axis X-X and defines a rectangular mounting plate 12 on a front side 14 of housing 10 that defines a plane parallel to axis X-X.
  • Mounting plate 12 is designed to support and attached to an illumination source (not shown), such as a light emitting diode array. As is known in the art, powering of the illumination source generate heat that can damage the illumination source components as well as the associated circuitry.
  • Housing 10 is configured to act as a heat sink to remove excess heat from mounting plate 12 and then dissipate the heat into the surrounding environment. While a molded lens array may be positioned over illumination source to reduce harshness and provide sealing of the illumination source within housing 10 , the rest of housing 10 is otherwise exposed to the environment for the dissipation of heat. As a result, housing 10 is preferably manufacturing from materials having useful thermal conductivity values for acting as a heat sink, such as aluminum and aluminum alloys. Housing 10 , or various subparts thereof, may also be formed as an integral unit to encourage the distribution of heat therethrough, as explained in detail below.
  • housing 10 comprises a central spine 16 extending longitudinally along an opposing side of 18 housing 10 from mounting plate 12 .
  • spine 16 is spaced apart from and connected to mounting plate 12 by a first plurality of braces 20 that extend orthogonally to longitudinal axis X-X and a second plurality of braces 22 that extend non-orthogonally to longitudinal axis X-X.
  • Spine 16 is also interconnected to mounting plate 12 by a plurality of fins 24 that extend orthogonally to longitudinal axis X-X.
  • first plurality of braces 20 and second plurality of braces 22 are positioned within and confined to a central region of housing 10 .
  • First plurality of braces 20 and second plurality of braces 22 are further arranged and positioned relative to spine 16 to form a truss support for housing 10 , shown in FIG. 5 as arranged similarly to a curved chord Pratt truss.
  • Braces 20 , braces 22 and spine 16 provide stability for housing 10 in all three dimensions so that housing 10 may be suspended in position, such as at the top of a pole, from either end.
  • housing 10 is seen having a pair of cylindrical couplers 30 and 32 at either end that allow housing 10 to be mounted to a support pole by one of coupler 30 and 32 , with an additional housing 10 coupled to the other of couplers 30 and 32 .
  • other truss or similar arrangements of spine 16 , braces 20 and braces 22 may be used to provide the structural stability required for housing 10 .
  • Fins 24 are generally triangular with a base 34 coupled to mounting plate 12 and an apex 36 coupled to spine.
  • One or more fins 24 may have a truncated apex to define a handle opening 40 at one or more locations along housing 10 to make it easier for a user to manipulate housing 10 , such as to perform a reorientation of housing 10 when mounted to a support pole, thereby changing the direction of the beam of light emitting by the illumination source coupled to mounting plate.
  • Housing 10 dissipates heat along two thermal pathways.
  • fins 24 will directly conduct heat away from mounting plate 12 due to the direct contact between the base 34 of each fin 24 being in contact with mounting plate 12 .
  • first plurality of braces 20 and second plurality of braces 22 are also in direct contact with mounting plate 12 and thus will also conduct heat away from mounting plate 12 .
  • the heat conducted by first plurality of braces 20 and second plurality of braces 22 will flow through a second pathway to the apex 36 of fins 24 .
  • fins 24 effectively receive heat from two directions, thereby improving the thermal distribution across the surface of fins 24 and improving the thermal dissipation provided by fins 24 .
  • the use of two thermal pathways significantly reduces the thermal gradient across fins 24 , thereby significantly improves the effectiveness of fins 24 in dissipating heat generated by the illumination source.
  • housing 10 includes a male interface 42 associated with coupler 30 and a female receptacle 44 at the opposing end associated with coupler 32 .
  • Two or more housings 10 may therefore be structurally jointed by inserting male interface 42 of one housing 10 into the female receptacle 44 of an adjacent housing 10 and clamped together.
  • each housing 10 may be interconnected together and mounted to a support pole at one end, thereby avoiding the need for support arms on the support pole as each housing 10 provides the structural stability to be self-supporting as well as supportive of additional housing 10 interconnected thereto.
  • each housing 10 may be rotated about its longitudinal axis to direct the illumination provided by an illumination source mounted to mounting plate 12 .
  • a total length of 26.375 inches from coupler 30 to coupler 32 may be used.
  • Spine 16 may be configured as a “+” shaped beam with each arm of the “+” having a width of 0.188 inches and thus a total width of 0.625 inches, thereby providing a cross-sectional area of 0.2 square inches.
  • These dimensions provide adequate stiffness for a series of four interconnected housings 10 to self-support ten times ( 10 X) their weight.
  • Four interconnected housings 10 will also provide an arrangement having a fundamental resonant frequency greater than 18 Hz and will be sufficiently stable to resist to hurricane velocity winds of 110 miles per hour.
  • fins 24 having a thickness of 0.125 inches may be used to provide an overall surface area of approximately 2860 square inches.
  • the resulting surface are is sufficient for thermal dissipation of a 500 W heat flux and can maintain a temperature below 75° C. for an LED illumination array attached to mounting plate 12 , which provides a surface area of about 156 inches squared.
  • the use of two thermal pathways from mounting plate 12 to fins 24 results in a temperature gradient across fins 24 of less than about 5° C., which is a fifty percent improvement in the temperature gradient from that provided from conventional fins that are coupled only at one end to the illumination source that is generating the heat to be dissipated.

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Abstract

A self-supporting luminaire housing that can additionally support additional housings mounted for mounting to a support pole without any cross arms. The housing has a mounting plate for an illumination source, a spine spaced apart from the mounting plate, triangular fins extending between the mounting plate and the spine, and a set of braces coupled to and extending from the mounting plate to the spine. The mounting plate is rectangular, and the spine extends longitudinally relative to the mounting plate. Some of the braces extend perpendicularly from the mounting plate, and some of the braces extend obliquely from the mounting plate to form a supporting truss with the spin and the mounting plate. The housing may be formed as an integral unit to improve thermal dissipation via two thermal pathways from the illumination source to the fins.

Description

    CROSS-REFERENCE TO RELATED APPLICATIONS
  • The present application claims priority to U.S. Provisional Application No. 62/940,644, filed on Nov. 26, 2019, hereby incorporated by reference in its entirety.
    • BACKGROUND OF THE INVENTION 1. Field of the Invention
  • The present invention relates to sports lighting systems and, more specifically, to a modular luminaire having a thermally dissipative housing.
    • 2. Description of the Related Art
  • Conventional sports lighting systems rely on individual luminaires that are mounted to support pole. Each luminaire contains the requisite power conversion and supply electronics and is individually oriented to direct a generally circular beam of light across the area to be illuminated, such as a sporting field or similar venue. Luminaires are typically mounted to a support pole in cluster using cross-arms that are mounted to an extend laterally from the support pole to allow for a wider range of illumination, thereby requiring the use of specialized supporting structure and equipment. In addition, the lighting elements of the luminaires generate heat that must be dissipated in order to protect the components from damage or decay. Accordingly, there is the need in the art for a luminaire that can be mounted to a support pole without the need for support arms and that can provide for thermal dissipation of heat generated by the lighting elements.
    • BRIEF SUMMARY OF THE INVENTION
  • The present invention provides a luminaire housing that is self-supporting and that can additionally support additional housings mounted thereto and to a support pol without the need for cross arms. The housing comprises a mounting plate, a spine spaced apart from the mounting plate, and a plurality of fins extending between the mounting plate and the spine, and a set of braces coupled to and extending from the mounting plate to the spine. A first plurality of the set of braces extend perpendicularly from the mounting plate and are coupled to the spine and a second plurality of the set of braces extend obliquely from the mounting plate and are coupled to the spine to form a supporting truss arrangement. The plurality of fins are generally triangular and extend from a base that is coupled to the mounting plate to an apex that is coupled to the spine. The mounting plate is rectangular and extends along a plane that is parallel to a longitudinal axis of the housing. The spine extends longitudinally from the first coupler to the second coupler and may be curved. The set of braces are aligned along the mounting plate to intersect the longitudinal axis of the housing. The mounting plate, the set of braces, and the spine may be formed as an integral unit to improve thermal dissipation.
    • BRIEF DESCRIPTION OF THE SEVERAL VIEWS OF THE DRAWING(S)
  • The present invention will be more fully understood and appreciated by reading the following Detailed Description in conjunction with the accompanying drawings, in which:
  • FIG. 1 is a first perspective view of a housing for a luminaire having a thermally dissipative unibody;
  • FIG. 2 is a second perspective view of a housing for a luminaire having a thermally dissipative unibody;
  • FIG. 3 is a side view of a housing for a luminaire having a thermally dissipative unibody;
  • FIG. 4 is an end view of a housing for a luminaire having a thermally dissipative unibody;
  • FIG. 5 is a cross-section of a housing for a luminaire having a thermally dissipative unibody taken along Line A-A of FIG. 4; and
  • FIG. 6 is a cross-section of a housing for a luminaire having a thermally dissipative unibody taken along Line B-B of FIG. 4.
    •  DETAILED DESCRIPTION OF THE INVENTION
  • Referring to the figures, wherein like numerals refer to like parts throughout, there is seen in FIG. 1 a housing 10 for forming a luminaire accordingly to the present invention that has improved heat dissipation. More specifically, housing 10 extends along a longitudinal axis X-X and defines a rectangular mounting plate 12 on a front side 14 of housing 10 that defines a plane parallel to axis X-X. Mounting plate 12 is designed to support and attached to an illumination source (not shown), such as a light emitting diode array. As is known in the art, powering of the illumination source generate heat that can damage the illumination source components as well as the associated circuitry. Housing 10 is configured to act as a heat sink to remove excess heat from mounting plate 12 and then dissipate the heat into the surrounding environment. While a molded lens array may be positioned over illumination source to reduce harshness and provide sealing of the illumination source within housing 10, the rest of housing 10 is otherwise exposed to the environment for the dissipation of heat. As a result, housing 10 is preferably manufacturing from materials having useful thermal conductivity values for acting as a heat sink, such as aluminum and aluminum alloys. Housing 10, or various subparts thereof, may also be formed as an integral unit to encourage the distribution of heat therethrough, as explained in detail below.
  • Referring to FIG. 2 through 4, housing 10 comprises a central spine 16 extending longitudinally along an opposing side of 18 housing 10 from mounting plate 12. As seen in FIG. 5, spine 16 is spaced apart from and connected to mounting plate 12 by a first plurality of braces 20 that extend orthogonally to longitudinal axis X-X and a second plurality of braces 22 that extend non-orthogonally to longitudinal axis X-X. Spine 16 is also interconnected to mounting plate 12 by a plurality of fins 24 that extend orthogonally to longitudinal axis X-X.
  • As seen in a comparison of FIG. 5 and FIG. 6, first plurality of braces 20 and second plurality of braces 22 are positioned within and confined to a central region of housing 10. First plurality of braces 20 and second plurality of braces 22 are further arranged and positioned relative to spine 16 to form a truss support for housing 10, shown in FIG. 5 as arranged similarly to a curved chord Pratt truss. Braces 20, braces 22 and spine 16 provide stability for housing 10 in all three dimensions so that housing 10 may be suspended in position, such as at the top of a pole, from either end. For example, housing 10 is seen having a pair of cylindrical couplers 30 and 32 at either end that allow housing 10 to be mounted to a support pole by one of coupler 30 and 32, with an additional housing 10 coupled to the other of couplers 30 and 32. It should be recognized that other truss or similar arrangements of spine 16, braces 20 and braces 22 may be used to provide the structural stability required for housing 10.
  • Fins 24 are generally triangular with a base 34 coupled to mounting plate 12 and an apex 36 coupled to spine. One or more fins 24 may have a truncated apex to define a handle opening 40 at one or more locations along housing 10 to make it easier for a user to manipulate housing 10, such as to perform a reorientation of housing 10 when mounted to a support pole, thereby changing the direction of the beam of light emitting by the illumination source coupled to mounting plate.
  • Housing 10 dissipates heat along two thermal pathways. First, fins 24 will directly conduct heat away from mounting plate 12 due to the direct contact between the base 34 of each fin 24 being in contact with mounting plate 12. Second, first plurality of braces 20 and second plurality of braces 22 are also in direct contact with mounting plate 12 and thus will also conduct heat away from mounting plate 12. As fins 24 are also in contact with spine 16, the heat conducted by first plurality of braces 20 and second plurality of braces 22 will flow through a second pathway to the apex 36 of fins 24. As a result, fins 24 effectively receive heat from two directions, thereby improving the thermal distribution across the surface of fins 24 and improving the thermal dissipation provided by fins 24. As noted below, the use of two thermal pathways significantly reduces the thermal gradient across fins 24, thereby significantly improves the effectiveness of fins 24 in dissipating heat generated by the illumination source.
  • In addition to heat dissipation, the truss arrangement of braces 20, braces 22 and spine 16 provides the structural stability for housing 10 and any additional housing 10 connected thereto. For example, as seen in FIG. 5, housing 10 includes a male interface 42 associated with coupler 30 and a female receptacle 44 at the opposing end associated with coupler 32. Two or more housings 10 may therefore be structurally jointed by inserting male interface 42 of one housing 10 into the female receptacle 44 of an adjacent housing 10 and clamped together. In this manner, several housings 10 may be interconnected together and mounted to a support pole at one end, thereby avoiding the need for support arms on the support pole as each housing 10 provides the structural stability to be self-supporting as well as supportive of additional housing 10 interconnected thereto. In addition, due to the cylindrical shape of couplers 30 and 32, each housing 10 may be rotated about its longitudinal axis to direct the illumination provided by an illumination source mounted to mounting plate 12.
    • Example
  • With respect to structural performance, in an exemplary housing 10, a total length of 26.375 inches from coupler 30 to coupler 32 may be used. Spine 16 may be configured as a “+” shaped beam with each arm of the “+” having a width of 0.188 inches and thus a total width of 0.625 inches, thereby providing a cross-sectional area of 0.2 square inches. These dimensions provide adequate stiffness for a series of four interconnected housings 10 to self-support ten times (10X) their weight. Four interconnected housings 10 will also provide an arrangement having a fundamental resonant frequency greater than 18 Hz and will be sufficiently stable to resist to hurricane velocity winds of 110 miles per hour.
  • With respect to thermal performance, in the exemplary housing 10 discussed above, fins 24 having a thickness of 0.125 inches may be used to provide an overall surface area of approximately 2860 square inches. The resulting surface are is sufficient for thermal dissipation of a 500 W heat flux and can maintain a temperature below 75° C. for an LED illumination array attached to mounting plate 12, which provides a surface area of about 156 inches squared. The use of two thermal pathways from mounting plate 12 to fins 24 results in a temperature gradient across fins 24 of less than about 5° C., which is a fifty percent improvement in the temperature gradient from that provided from conventional fins that are coupled only at one end to the illumination source that is generating the heat to be dissipated.

Claims (20)

1. A luminaire housing, comprising:
a mounting plate defining a plane:
a spine spaced apart from the mounting plate;
a plurality of fins extending between the mounting plate and the spine; and
a set of braces coupled to and extending from the mounting plate to the spine, wherein a first plurality of the set of braces extend perpendicularly from the mounting plate and are coupled to the spine.
2. (canceled)
3. The luminaire housing of claim 2, wherein a second plurality of the set of braces extend obliquely from the mounting plate and are coupled to the spine.
4. The luminaire housing of claim 3, wherein the plurality of fins are triangular and have a base that is coupled to the mounting plate to define a first thermal pathway from the mounting plate to the plurality of fins.
5. The luminaire housing of claim 4, wherein the plurality of fins extent from the base to an apex that is coupled to the spine to define a second thermal pathway from the mounting plate to the plurality of fins.
6. The luminaire housing of claim 5, wherein the mounting plate is rectangular and extends along a plane that is parallel to a longitudinal axis of the luminaire housing.
7. The luminaire housing of claim 6, wherein the spine extends longitudinally from a first coupler to a second coupler.
8. The luminaire housing of claim 7, wherein the spine is curved from the first coupler to the second coupler.
9. The luminaire housing of claim 8, wherein set of braces are aligned along the mounting plate to intersect the longitudinal axis of the housing.
10. The luminaire housing of claim 9, wherein the mounting plate, the set of braces, and the spine comprise an integral unit.
11. A method of dissipating heat generated by luminaire, comprising the steps of:
attaching an illumination source to a housing having a mounting plate defining a plane a spine spaced apart from the mounting plate, a plurality of fins extending between the mounting plate and the spine, and a set of braces coupled to and extending from the mounting plate to the spine;
powering the illumination source to produce light and heat; and
allowing the housing to dissipate heat from the illumination source via the mounting plate, the spine, the set of braces, and the fins.
12. The method of claim 11, wherein a first plurality of the set of braces extend perpendicularly from the mounting plate and are coupled to the spine.
13. The method of claim 11, wherein a second plurality of the set of braces extend obliquely from the mounting plate and are coupled to the spine.
14. The method of claim 13, wherein the plurality of fins are triangular and have a base that is coupled to the mounting plate to define a first thermal pathway from the mounting plate to the plurality of fins.
15. The method of claim 14, wherein the plurality of fins extend from the base to an apex that is coupled to the spine to define a second thermal pathway from the mounting plate to the plurality of fins.
16. The method of claim 15, wherein the mounting plate is rectangular and extends along a plane that is parallel to a longitudinal axis of the housing.
17. The method of claim 16, wherein the spine extends longitudinally from a first coupler to a second coupler.
18. The method of claim 17, wherein the spine is curved from the first coupler to the second coupler.
19. The method of 18, wherein the set of braces are aligned along the mounting plate to intersect the longitudinal axis of the housing.
20. The method of claim 19, wherein the mounting plate, the set of braces, and the spine comprise an integral unit.
US16/818,220 2019-11-26 2020-03-13 Thermally dissipative unibody lighting structure Active US11015796B1 (en)

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US16/818,423 Active US11236899B2 (en) 2019-11-26 2020-03-13 Lighting module with cutoff tuning effects
US16/818,286 Active US11209153B2 (en) 2019-11-26 2020-03-13 Bi-directional gender changing rotary connection for luminaire
US16/818,203 Active 2041-06-02 US11644193B2 (en) 2019-11-26 2020-03-13 Dual redundancy high reliability LED lighting platform
US17/032,077 Active 2041-03-22 US11649958B2 (en) 2019-11-26 2020-09-25 High output UV sterilization module with environmental feedback and sterilization optimization
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US16/818,203 Active 2041-06-02 US11644193B2 (en) 2019-11-26 2020-03-13 Dual redundancy high reliability LED lighting platform
US17/032,077 Active 2041-03-22 US11649958B2 (en) 2019-11-26 2020-09-25 High output UV sterilization module with environmental feedback and sterilization optimization
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US11015796B1 (en) 2021-05-25
US11209153B2 (en) 2021-12-28
US20210160990A1 (en) 2021-05-27
WO2021108479A1 (en) 2021-06-03
US11236899B2 (en) 2022-02-01
WO2021108495A1 (en) 2021-06-03
WO2021108509A1 (en) 2021-06-03
US20230243495A1 (en) 2023-08-03
WO2021108488A1 (en) 2021-06-03
US20210160976A1 (en) 2021-05-27
US11644193B2 (en) 2023-05-09
WO2021108504A1 (en) 2021-06-03
US11649958B2 (en) 2023-05-16
US11371690B2 (en) 2022-06-28
US20210154345A1 (en) 2021-05-27

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