EP3214361A1 - Lighting unit - Google Patents

Lighting unit Download PDF

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Publication number
EP3214361A1
EP3214361A1 EP17158724.9A EP17158724A EP3214361A1 EP 3214361 A1 EP3214361 A1 EP 3214361A1 EP 17158724 A EP17158724 A EP 17158724A EP 3214361 A1 EP3214361 A1 EP 3214361A1
Authority
EP
European Patent Office
Prior art keywords
supply device
cover
generator
relative
configuration
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Withdrawn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
EP17158724.9A
Other languages
German (de)
English (en)
French (fr)
Inventor
Luigi MONDARDINI
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.)
Mareco Luce Srl
Original Assignee
Mareco Luce Srl
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 Mareco Luce Srl filed Critical Mareco Luce Srl
Publication of EP3214361A1 publication Critical patent/EP3214361A1/en
Withdrawn legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V21/00—Supporting, suspending, or attaching arrangements for lighting devices; Hand grips
    • F21V21/02—Wall, ceiling, or floor bases; Fixing pendants or arms to the bases
    • F21V21/03—Ceiling bases, e.g. ceiling roses
    • 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
    • F21S8/00—Lighting devices intended for fixed installation
    • F21S8/03—Lighting devices intended for fixed installation of surface-mounted type
    • 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
    • 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
    • F21V19/00—Fastening of light sources or lamp holders
    • F21V19/001—Fastening of light sources or lamp holders the light sources being semiconductors devices, e.g. LEDs
    • F21V19/003—Fastening of light source holders, e.g. of circuit boards or substrates holding light sources
    • 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
    • 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
    • F21V17/00—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages
    • F21V17/10—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages characterised by specific fastening means or way of fastening
    • F21V17/14—Bayonet-type fastening
    • 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
    • F21Y2105/18—Planar light sources comprising a two-dimensional array of point-like light-generating elements characterised by the overall shape of the two-dimensional array annular; polygonal other than square or rectangular, e.g. for spotlights or for generating an axially symmetrical light beam
    • 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
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/62—Means for facilitating engagement or disengagement of coupling parts or for holding them in engagement
    • H01R13/625—Casing or ring with bayonet engagement
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R2103/00—Two poles
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R33/00—Coupling devices specially adapted for supporting apparatus and having one part acting as a holder providing support and electrical connection via a counterpart which is structurally associated with the apparatus, e.g. lamp holders; Separate parts thereof
    • H01R33/05—Two-pole devices
    • H01R33/20—Two-pole devices having concentrically or coaxially arranged contacts

Definitions

  • This invention relates to a lighting unit.
  • the term "lighting unit” means a wall-mounted lighting unit, still more specifically a flush dome light.
  • an aspect of this invention is to provide a lighting unit comprising a device for supplying electricity defining at least partly the rear face of the unit configured for being installed on a respective supporting surface and a device for generating one or more light beams comprising at least one light source and an element for diffusing the light source. More specifically, the supply device and the generator device being configured to switch from a coupling configuration to an uncoupling configuration, and vice versa, by means of a relative movement of the generator device relative to the supply device so that once coupled, the supply device and the generator device are connected to each other electrically.
  • the lighting unit comprises a cover for protecting the device configured to switch from a sealed coupling configuration to an uncoupling configuration, and vice versa, with the supply device, uncoupled from the generator device, by means of a relative movement of the cover relative to the supply device.
  • the protective cover allows the supply device of the lighting unit to be installed in work environments, such as, for example, construction sites, protecting the supply device against the entrance of solid or liquid foreign bodies and the accidental impact by work tools.
  • work environments such as, for example, construction sites
  • the protective cover acts as an element for protecting the supply device, maintaining the integrity in the installation area until the end of any work in progress in the area, upon completion of which it is possible to couple the supply device to the respective generator device.
  • the numeral 1 denotes a lighting unit according to this invention.
  • the lighting unit 1 is a wall-mounted lighting units.
  • the unit 1 is a flush dome light.
  • the unit 1 comprises at least one light source 5 and an element 17 for diffusing the light source 5.
  • the light source 5 is of the LED type.
  • the diffuser element 17 defines the front face of the unit 1 through which is irradiated the light generated by the light source 5.
  • the diffuser element 17 defines an element 17 for protecting the light source 5.
  • the diffuser element 17 may have a circular shape or a polygonal shape, preferably square or rectangular.
  • the unit 1 has a rear face 16 designed to come into contact at least partly with a supporting surface 6.
  • supporting surface 6 means preferably a ceiling or a vertical wall relative to the ground or the ground itself.
  • the lighting unit 1 is a wall-mounted lighting unit, more specifically a flush dome light, or a floor-mounted lighting unit.
  • the unit 1 comprises a device 2 for supplying electricity defining at least partly the rear face 16 of the unit 1.
  • the supply device 2 is configured to be connected to the supporting surface 6.
  • the supply device 2 has a rear surface 2a designed to come into contact with the installation surface 6.
  • the supply device 2 comprises a top surface 2b located on the opposite side relative to the rear surface 2a.
  • the supply device 2 has a circular shape.
  • the lighting unit 1 comprises a device 3 for generating one or more light beams.
  • the generator device 3 comprises at least one light source 5 and an element 17 for diffusing the light source 5.
  • the generator device 3 may have a circular or polygonal shape, preferably square or rectangular.
  • the generator device 3 has a rear surface 3a designed to come into contact with the supporting surface 6.
  • the rear surface 3a is located on the opposite side relative to the diffuser element 17.
  • the generator device 3 has a seat 15 for housing at least part of the supply device 2.
  • the housing seat 15 is positioned at the surface of the bottom surface 3a of the generator device 3.
  • the seat 15 has a circular shape.
  • the rear face 16 of the unit 1 is defined partly by the bottom surface 3a of the generator device 3 and partly by the bottom surface 2a of the supply device 2.
  • the supply device 2 and the generator device 3 being configured to switch from a coupling configuration to an uncoupling configuration, and vice versa, by means of a relative movement of the generator device 3 relative to the supply device 2.
  • the opportunity to couple and uncouple the generator device 3 to and from the device 2, makes the generator device 3 movable relative to the supply device 2, which, once installed in respective supporting surface 6 is relatively fixed relative to the generator device 3.
  • coupling means that the supply device 2 is inserted at least partly in the seat 15 of the generator device 3 by the relative movement of the generator device 3 relative to the supply device 2.
  • the supply device 2 and the generator device 3 are coupled to and uncoupled from each other at least by means of a front movement, in particular by means of a front movement towards and front movement away from the generator device 3 relative to the supply device 2.
  • the generator device 3 is coupled to the supply device 2 using a front movement for moving the generator device 3 towards to the supply device 2.
  • the generator device 3 is uncoupled from the supply device 2 by means of a front movement of moving the generator device 3 away from the supply device 2.
  • the supply device 2 and the generator device 3 are coupled to and uncoupled from each other at least by means of a movement of relative rotation of the generator device 3 relative to the supply device 2.
  • the relative rotation of the generator device 3 allows the generator device 3 to be locked to the supply device 2 or released from the locked configuration.
  • the generator device 3 is rotated in a clockwise direction.
  • the generator device 3 is rotated in an anticlockwise direction.
  • the supply device 2 and the generator device 3 are coupled stably in a snap-on fashion to each other.
  • the supply device 2 and the generator device 3 are coupled to and uncoupled from each other preferably using a combination of one or more front movements and one or more movements of relative rotation.
  • the generator device 3 is coupled to the supply device 2 by a front movement, in particular towards, and a rotational movement after the front movement, to pass to a locked configuration, in particular a rotational movement in a clockwise direction.
  • the generator device 3 is uncoupled from the supply device 2 by a rotational movement, in particular a rotational movement in an anticlockwise direction, to pass from the locked configuration to the released configuration, and a front movement, in particular for moving the generator device 3 away from the supply device 2.
  • One of either the supply device 2 and the generator device 3 comprises at least one male element 9 and the other comprises a respective female element 10 designed for coupling and uncoupling relative to each other.
  • the term male element 9 refers to an element which projects outwards from the surface from which it extends.
  • female element 10 is used to mean a through opening.
  • the male element 9 and the respective female element have the shape defined by a circular crown portion.
  • the male element 9 is configured to be inserted at least partly in the respective female element 10, thus coupling with it.
  • the male element 9 engages by sliding inside the female element 10.
  • the male element 9 slides inside the female element 10 during the relative movement of the generator device 3 relative to the supply device 2.
  • the male element 9 passes to a respective position for inserting in the female 10 following a front movement for moving the generator device 3 relative to the supply device 2. Subsequently, the male element 9 slides inside the female element 10 from the insertion position towards a locked position following a relative rotational movement of the generator device 3 relative to the device 2, in particular in a clockwise direction. In the locked position, the male element 9 abuts against a respective end of stroke element 12 associated with a respective female element 10.
  • locked position of the male component 9 corresponds to the locked position of the generator device 3 relative to the supply device 2.
  • the male element 9 slides inside the female element 10 passing from the locked position to the released position following a relative rotational movement of the generator device 3 relative to the supply device 2, in particular in an anticlockwise direction.
  • the male element 9 passes to a respective position of disinsertion from female element 10 following a front movement of the generator device 3 away from the supply device 2.
  • the male element 9 coupled to the respective female element 10 define the connecting means 11, in particular reversible, of the generator device 3 and the supply device 2.
  • an interference element 14 is interposed between the male element 9 and the respective end of stroke element 12.
  • the interference element 14 is configured to generate an audio signal during the relative movement of the male element 9 relative to the end of stroke element 12 towards the corresponding locked position.
  • the interference element 14 is a raised element positioned on the surface of the end of stroke element 12 designed to make contact with the male element 9, or vice versa.
  • the sliding opening 10 of the male component 9 has a profile shape which is variable in such a way that during the passage from the insertion position to the locked position of the male component 9 it is possible to engage gradually with the respective end of stroke element 12.
  • the male element 9 has a seat 13 for housing and contact with at least part of the end of stroke element 12.
  • the supply device 2 has a plurality of male elements 9 located on the top surface 2b of the device.
  • the male elements 9 are uniformly spaced apart from each other. More specifically, the male elements 9 are positioned in a circumferential manner.
  • the supply device 2 has four male elements 9 spaced apart from each other by an angle of 90°.
  • the generator device 3 has a plurality of female elements 10 positioned on the rear surface 3a of the generator device 3.
  • the female elements 10 are located at the bottom wall 15a of the seat 15 for housing the generator device 3.
  • the female elements 10 are uniformly spaced apart from each other. More specifically, the female elements 10 are positioned in a circumferential manner.
  • the generator device 3 has four female elements 10 spaced apart from each other by an angle of 90°.
  • the supply device 2 In order to allow the supply device 2 to supply electricity to the generator device 3 once coupled together, they comprise respective electrical connectors 7 and 8 configured to connect to and disconnect from each other by means of the relative movement of the generator device 3 relative to the supply device 2.
  • the electrical connectors 7 and 8, respectively, of the supply device 2 and of the generator device 3 connect and disconnect with each other by means of a front movement of the generator device 3 relative to the supply device 2.
  • the electrical connectors 7 and 8 are configured to maintain the electrical connection during the relative rotation movement between the generator device 3 and the supply device 2.
  • the electrical connectors 7 and 8 have a respective cylindrical shape.
  • the supply device 2 is configured to be connected to a source 4 of electricity.
  • the supply device 2 is a device for connecting the generator device 3 to the electricity source 4.
  • the supply device 2 comprises a base element 18 designed to be connected to the installation surface 6, in particular defining the above-mentioned rear surface 2a.
  • the base element 18 has at least one through hole 19 configured for the entrance of one or more cables 22 for connection to the electricity source 4.
  • the supply device 2 comprises a covering element 20 connected to the base element 18 and defining with it a housing for containing at least one electricity supply circuit 21 of the generator device 3.
  • the covering element 20 defines the above-mentioned top surface 2b of the supply device 2.
  • the male elements 9 protrude from the covering element 20 of the supply device 2.
  • the base element 18 and the covering element 20 are coupled to and uncoupled from each other by a relative movement of one relative to each other, in particular of the covering element 20 relative to the base element 18.
  • One of either the base element 18 or the covering element 20 has one or more seats 23 for receiving a respective portion of the other.
  • the base element 18 comprises a plurality of seats 23 for receiving respective portions 20a of the covering element 20. These portions 20a are in the form of perimeter tabs of the covering element 20.
  • the seats 23 are uniformly spaced apart from each other, in particular they are positioned in a circumferential manner.
  • the portions 20a of the covering element are uniformly spaced apart from each other, in particular they are arranged in a circumferential manner.
  • the base element 18 comprises four seats 23 spaced from each other at an angle of 90°.
  • the covering element 20 has four portions 20a spaced from each other by an angle of 90°.
  • the supply device 2 comprises means 24 for connecting the covering element 20 to the base element 18 for stably connecting the covering element 20 to the base element 18.
  • the connecting means 24 are preferably in the form of a male-and-female screw type coupling.
  • the supply device 2 comprises at least one insulating element 25 interposed between the base element 18 and the covering element 20.
  • the covering element 20 has a through hole 28 giving access to the electrical connector 7.
  • the base element 18 comprises a seat 26 for housing the electrical connector 7.
  • the supply device 2 comprises means 27 for locking the electrical connector 7 to the base element 18.
  • the locking means 27 define means for centring the electrical connector 7 relative to the base element 18.
  • the locking means 27 have a through hole 27a for inserting at least part of the connector 7.
  • the base element 18 comprises means 29 for retaining at least part of the power supply circuit 21.
  • the retaining means 29 comprise at least one seat 31 for housing a respective electrical terminal, not illustrated.
  • the retaining means 29 comprise one or more rake elements 33 defining respective sections for passage of respective electrical cables, not illustrated.
  • the orientation adopted by the generator device 3 once coupled to the supply device 2 is a function of the orientation of the supply device 2, since the orientation of the supply device 2 determines the reciprocal position of the male component 9 and of the respective female element 10.
  • the supply device 2 comprises reference means 34 configured to determine the orientation adopted by the generator device 3 once coupled to the supply device 2.
  • the base element 18 comprises the above-mentioned reference means 34.
  • the above-mentioned means 34 are positioned according to a predetermined position relative to a common point of origin, in particular relative to the hole 19 for entrance of the connecting cables 22.
  • the reference means 34 are positioned relative to each other at an angle of at least 15°.
  • the reference means 34 are preferably in the form of perimeter notches.
  • the base element 18 comprises means 36 for adjusting the orientation of the base element 18.
  • these adjusting means 36 allow the recovery of any misalignments with the generator device 3 once the supply device 2 is installed on the respective surface 6.
  • the adjustment means 36 are preferably in the form of through slots 36, in particular positioned along the periphery of the base element 18.
  • the generator device 3 comprises a base element 38 designed to be connected to the supply device 2.
  • the diffuser element 17 is connected to the base element 38 to define with it a housing for containing the light source 5.
  • the diffuser element 17 defines an element for protecting the light source 5.
  • the generator device 3 comprises means 41 for connecting the base element 38 and the diffuser element 17.
  • the connecting means 41 are preferably in the form of a male-and-female screw type coupling.
  • the connecting means 41 are adhesive means, in particular glue.
  • the generator device 3 comprises at least one insulating element 40 interposed between the base element 38 and the diffuser element 17.
  • the insulating element 40 of the generator device 3 and the insulating element 25 of the supply device 3 gives the unit 1 an IP protection rating at least equal to 65.
  • the IP protection rating is measured according to current regulations at the date of filing this patent application, in particular CEI EN60598-1/2015.
  • the base element 38 defines the above-mentioned rear surface 3a on which is formed the above-mentioned housing seat 15.
  • the electrical connector 8 of the generator device 3 is accessible from the base element 38.
  • the base element 38 has a through hole 42 giving access to the electrical connector 8.
  • the generator device 3 comprises an element 43 for supporting at least part of the electrical circuit 21 and/or electronic components 50 configured for supplying the light source 5 of the generator device 3.
  • the electronic components 50 comprise at least one electronic card for supplying the light source 5 if it is LED lighting.
  • the electronic components 50 comprise a presence and/or movement sensor 52 configured to activate the light source 5.
  • the electronic components 50 comprise an auxiliary supply circuit 51 or emergency circuit of the light source 5 configured for supplying the light source 5 if there is a power failure from the source 4 of electricity or if the generator device 3 is uncoupled from the supply device 2.
  • the generator device 3 comprising the auxiliary supply circuit 51 or emergency circuit of the light source 5 and uncoupled from the supply device 2 defines a lighting device having a relative energy autonomy.
  • the supporting element 43 is interposed between the base element 38 and the diffuser element 17.
  • the base element 38 comprises a surface 39a for supporting the supporting element 43, in particular a perimeter supporting surface 39a.
  • the supporting element 43 has a first face 48, facing towards the base element 38 and a second face 49, facing towards the diffuser element 17.
  • the first face 48 of the supporting element 43 is for supporting at least part of the electric circuit 21 and/or electronic components 50 configured for supplying the light source 5.
  • the second face 49 of the supporting element 43 supports the light source 5.
  • the second face 49 supports the electronic card for powering the light source 5 of the LED type.
  • the supporting element 43 has a seat 44 for housing the electrical connector 8.
  • the electrical connector 8 is connected to the supporting element 43 at the seat 44.
  • the generator devoice 3 comprises pressing means 45 configured to keep the electrical connector 8 pressed against the base element 38.
  • the pressing means 45 are interposed between the base element 38 and the supporting element 43.
  • the pressing means 45 are positioned in the proximity of the seat 44 for housing the electrical connector 8.
  • the pressing means 45 comprise at least one pair of a first tie rod 46, connected to the base element 38, and a second tie rod 47, connected to the supporting element 43 coupled to each other.
  • the generator device 3 comprises a plurality of pairs defined by the first and second tie rods 46 or 47, in particular three.
  • the electrical connector 8 is connected to the base element 38 of the generator device 3.
  • the invention relates to a cover 53 for protecting the supply device 2 configured to switch from a sealed coupling configuration to an uncoupling configuration, and vice versa, with the supply device 2, uncoupled from the generator device 3, by means of a relative movement of the cover 53 relative to the supply device 2.
  • the protective cover 53 and the supply device 2 are coupled to and uncoupled from each other at least by means of a movement of relative rotation, more specifically to switch from a released configuration to a locked configuration, and vice versa.
  • the protective cover 53 has an outer surface 53a and an inner surface 53b which faces towards the supply device 2 once coupled with it.
  • the inner surface 53b is configured to house the supply device 2 inside it.
  • the protective cover 53 has a perimeter extension such as to be able to comprises inside it the supply device 2.
  • the perimeter strip of the supply device 2 is located inside the cover 53, so the outer surface 53a of the cover 53 screens the top surface 2b of the supply device 2 along the full perimeter.
  • the rear surface 2a of the supply device 2 is located outside the cover 53 since it is designed to make contact with the installation surface 6.
  • the protective cover 53 comprises one or more male elements 59 for coupling with the supply device 2.
  • the male elements 59 are located at the inside surface of the cover 53, preferably along the inner perimeter strip of the cover 53.
  • each male element 59 of the cover 53 is configured to be inserted in a respective female element 34 of the supply device 2.
  • the female element 34 of a respective coupling element 59 is one of the perimeter notches 34 defining the reference means configured to determine the orientation adopted by the generator device 3 once coupled to the supply device 2.
  • the operating mode is easy to use, resulting in rapid installation times.
  • the perimeter portions 61 of the supply device 2 mean the portions of the supply device 2 positioned along the outer perimeter or peripheral strip of the supply device 2.
  • the peripheral surface 53b of the cover 53 has one or more reference elements 60.
  • Each reference element is configured to be located at a corresponding reference element 36 of the supply device 2, which preferably is defined by the slot 36 defining the means for adjusting the orientation of the base element 18 of the supply device 2.
  • each reference element 60 of the cover 53 By aligning each reference element 60 of the cover 53 with the respective reference element 36 of the supply device 2, the correct coupling between the male element 59 of the cover 53 with the respective female element 34 of the supply device 2 is guaranteed.
  • a sealing element 57 is interposed between the supply device 2 and the cover 53.
  • the sealing element 57 is housed in the covering element 20 of the supply device 2.
  • the inner surface 53b of the cover 53 has a contact surface 54 of the sealing element 57 once the cover 53 is coupled to the supply device 2, forming the sealed coupling.
  • sealing element 57 is interposed between the generator device 3 and the supply device 2 once they are coupled to each other.
  • the sealed coupling between the cover 53 and the supply device 2 prevents the entrance inside the cover 53 of solid and liquid foreign bodies, such as, for example, debris, dust, paint, which are potentially present in the place of installation, preserving the integrity of the supply device 3.
  • the cover 53 for protecting the supply device 2 and the presence of the sealing element 57 interposed between it and the supply device 2 gives the assembly an IP protection rating at least equal to 65 and a degree of protection against mechanical impact at least equal to IK08.
  • the IP protection rating is measured according to current regulations at the date of filing this patent application, in particular CEI EN60598-1/2015.
  • the degree of protection against the mechanical impacts IK08 corresponds to an impact up to 10 Joules.
  • the protective cover 53 consists of a reinforced polymeric material.
  • the outer surface 53a is a continuous surface.
  • the first embodiment of the cover 53 allows the operator to carry out painting works on the installation surface 6, without needing to protect the cover 53 which can be painted over the entire outer surface 53a.
  • the second variant of the cover 53 illustrated in Figures 13 , 16 and 17 , comprises at least one light source 55 located on the outer surface 53a of the cover 53.
  • the light source 55 allows the use of the electrical connection of the supply device 2 to the electricity source 4 installed on the installation surface 6.
  • the light source 55 is defined as a construction site light.
  • the inner surface 53b of the cover 53 is configured to house the electrical circuit for supplying the light source 55.
  • the protective cover 53 comprises a respective electrical connector 56, positioned inside the cover 53, configured to connect to and disconnect from the electrical connector 7 of the supply device 2 by means of the relative movement of the protective cover 53 relative to the supply device 2.
  • the supply device 2 and the cover 53, according to the second embodiment, once coupled to each other are connected electrically.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
EP17158724.9A 2016-03-01 2017-03-01 Lighting unit Withdrawn EP3214361A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ITUB2016A001193A ITUB20161193A1 (it) 2016-03-01 2016-03-01 Unita' di illuminazione

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CN111120932A (zh) * 2020-01-13 2020-05-08 浙江佳旺光电科技股份有限公司 一种分体式吸顶灯
CN112483944A (zh) * 2020-12-16 2021-03-12 上海迪东实业有限公司 投影灯

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CN111120932A (zh) * 2020-01-13 2020-05-08 浙江佳旺光电科技股份有限公司 一种分体式吸顶灯
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CN112483944A (zh) * 2020-12-16 2021-03-12 上海迪东实业有限公司 投影灯

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ITUB20161193A1 (it) 2017-09-01

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