EP3388735A1 - Leuchtvorrichtung mit elektrischem kontakt zwischen der scheibe und dem gehäuse - Google Patents

Leuchtvorrichtung mit elektrischem kontakt zwischen der scheibe und dem gehäuse Download PDF

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Publication number
EP3388735A1
EP3388735A1 EP18166023.4A EP18166023A EP3388735A1 EP 3388735 A1 EP3388735 A1 EP 3388735A1 EP 18166023 A EP18166023 A EP 18166023A EP 3388735 A1 EP3388735 A1 EP 3388735A1
Authority
EP
European Patent Office
Prior art keywords
housing
ice
electrical contact
electrically conductive
connector
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Withdrawn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
EP18166023.4A
Other languages
English (en)
French (fr)
Inventor
Jean-Marc COLOMBEL
François GRATECAP
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.)
Valeo Vision SAS
Original Assignee
Valeo Vision SAS
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 Valeo Vision SAS filed Critical Valeo Vision SAS
Publication of EP3388735A1 publication Critical patent/EP3388735A1/de
Withdrawn legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S41/00—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps
    • F21S41/10—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by the light source
    • F21S41/14—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by the light source characterised by the type of light source
    • F21S41/141—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
    • H01R13/02—Contact members
    • H01R13/26—Pin or blade contacts for sliding co-operation on one side only
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S41/00—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps
    • F21S41/20—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by refractors, transparent cover plates, light guides or filters
    • F21S41/25—Projection lenses
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S41/00—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps
    • F21S41/20—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by refractors, transparent cover plates, light guides or filters
    • F21S41/28—Cover glass
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S41/00—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps
    • F21S41/20—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by refractors, transparent cover plates, light guides or filters
    • F21S41/29—Attachment thereof
    • F21S41/295—Attachment thereof specially adapted to projection lenses
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S45/00—Arrangements within vehicle lighting devices specially adapted for vehicle exteriors, for purposes other than emission or distribution of light
    • F21S45/60—Heating of lighting devices, e.g. for demisting
    • 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
    • F21V23/001—Arrangement of electric circuit elements in or on lighting devices the elements being electrical wires or cables
    • F21V23/002—Arrangements of cables or conductors inside a lighting device, e.g. means for guiding along parts of the housing or in a pivoting arm
    • 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
    • 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
    • H01R13/02—Contact members
    • 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
    • H01R13/02—Contact members
    • H01R13/22—Contacts for co-operating by abutting
    • H01R13/24—Contacts for co-operating by abutting resilient; resiliently-mounted
    • 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
    • H01R13/02—Contact members
    • H01R13/22—Contacts for co-operating by abutting
    • H01R13/24—Contacts for co-operating by abutting resilient; resiliently-mounted
    • H01R13/2442—Contacts for co-operating by abutting resilient; resiliently-mounted with a single cantilevered beam
    • 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
    • H01R13/02—Contact members
    • H01R13/22—Contacts for co-operating by abutting
    • H01R13/24—Contacts for co-operating by abutting resilient; resiliently-mounted
    • H01R13/2464—Contacts for co-operating by abutting resilient; resiliently-mounted characterized by the contact point
    • 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
    • H01R13/40—Securing contact members in or to a base or case; Insulating of contact members
    • H01R13/405—Securing in non-demountable manner, e.g. moulding, riveting
    • H01R13/41—Securing in non-demountable manner, e.g. moulding, riveting by frictional grip in grommet, panel or base
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
    • H01R4/28—Clamped connections, spring connections
    • H01R4/48—Clamped connections, spring connections utilising a spring, clip, or other resilient member
    • H01R4/4809—Clamped connections, spring connections utilising a spring, clip, or other resilient member using a leaf spring to bias the conductor toward the busbar
    • 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
    • H05B3/00—Ohmic-resistance heating
    • H05B3/84—Heating arrangements specially adapted for transparent or reflecting areas, e.g. for demisting or de-icing windows, mirrors or vehicle windshields
    • 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
    • F21W2102/00—Exterior vehicle lighting devices for illuminating purposes
    • F21W2102/10—Arrangement or contour of the emitted light
    • F21W2102/13—Arrangement or contour of the emitted light for high-beam region or low-beam region
    • 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
    • F21W2107/00—Use or application of lighting devices on or in particular types of vehicles
    • F21W2107/10—Use or application of lighting devices on or in particular types of vehicles for land vehicles
    • 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
    • H01R12/00—Structural associations of a plurality of mutually-insulated electrical connecting elements, specially adapted for printed circuits, e.g. printed circuit boards [PCB], flat or ribbon cables, or like generally planar structures, e.g. terminal strips, terminal blocks; Coupling devices specially adapted for printed circuits, flat or ribbon cables, or like generally planar structures; Terminals specially adapted for contact with, or insertion into, printed circuits, flat or ribbon cables, or like generally planar structures
    • H01R12/70—Coupling devices
    • H01R12/71—Coupling devices for rigid printing circuits or like structures
    • H01R12/75—Coupling devices for rigid printing circuits or like structures connecting to cables except for flat or ribbon cables
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R2201/00—Connectors or connections adapted for particular applications
    • H01R2201/26—Connectors or connections adapted for particular applications for vehicles
    • 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
    • H05B2203/00—Aspects relating to Ohmic resistive heating covered by group H05B3/00
    • H05B2203/013—Heaters using resistive films or coatings
    • 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
    • H05B2203/00—Aspects relating to Ohmic resistive heating covered by group H05B3/00
    • H05B2203/016—Heaters using particular connecting means

Definitions

  • the invention relates to the field of lighting and light signaling for motor vehicles.
  • LED light emitting diode
  • the use of light emitting diode (LED) type light sources is becoming more common, mainly because of better energy efficiency.
  • the light source (s) disposed in a light device produce substantially less heat compared to more conventional light sources such as gas discharge and incandescent light sources.
  • the heat produced by the said source (s) may not be sufficient to melt and disappear the frost. It is then necessary to provide a specific de-icing device.
  • Such a device is then disposed on the inner face of the glass and may comprise an electrically conductive and resistive coating, such as metal wires, forming a heating zone when it is traversed by an electric current.
  • This heating zone must then be electrically powered by means of electric tracks deposited on the inner face of the ice. Power supply cables may be attached to these electrical tracks, in particular by welding or by means of electrical connection plugs. Such an operation is however tedious in that it must be carried out before placing the ice on the housing.
  • son lengths necessary to allow this operation while the ice is remote from the housing must be housed in the housing, which poses particular problems of assembly time and congestion, not to mention the possible reliability problems related to the fact that these lengths of son are likely to move freely in the housing.
  • the invention aims to overcome at least one of the disadvantages of the state of the art mentioned above. More particularly, the object of the invention is to provide a power supply for an electrical device, such as a deicing device, on the inside of the lens of a light device which is easy to use, effective and efficient. reliable.
  • an electrical device such as a deicing device
  • the subject of the invention is a light and / or lighting signaling device, comprising: a housing with an opening; an ice attached to the housing so as to close the opening; remarkable in that it further comprises at least one electrically conductive track on an inner face of the ice; and an electrical connector fixed to the housing and comprising at least one resiliently movable electrical contact in pressure against the one or more electrically conducting tracks so as to ensure electrical contact with said one or more tracks.
  • the number of electrically conductive tracks is advantageously greater than or equal to two, preferably three.
  • the electrical track or tracks are in electrical contact with a transparent coating on the inner face of the ice, forming a heating zone when it is traversed by an electric current, in particular for defrosting purposes.
  • the connector and the electrically conductive track or tracks are configured so that the placing of the ice on the housing ensures the pressurization of the elastically movable electrical contact (s) with said one or more tracks.
  • the ice comprises at its periphery a rib engaging, in an insertion direction, in a groove of the housing around the opening, the one or more electrical contacts being elastically movable in one direction. parallel and / or in a direction perpendicular to the direction of insertion.
  • the or each elastically movable electrical contact is formed by a metal strip deformed by the pressure against the electrically conductive track on the ice.
  • the connector comprises a base supporting the elastically movable electrical contact (s).
  • the or each of the metal strips comprises a rounded front portion projecting from the base and forming the electrical contact.
  • the rounded portion of the or each lamella corresponds to a folding of said lamella over more than 150 ° so as to have a U-shaped section.
  • the electrical contact formed by the rounded portion of the or each lamella comprises a rib extending over more than 150 ° of said portion.
  • the rib forms the contact zone with the electrically conductive track.
  • the or each of the metal strips comprises a generally rectilinear rear portion forming a hollow zone for receiving an electric wire.
  • the or each of the metal strips comprises a central portion perpendicular to the rear portion and comprising lateral wings engaging with corresponding grooves in the base.
  • the portion (s) of electrically conductive track (s) electrically in pressure against the electrical contact (s) is (are) located on a portion of the ice generally parallel to and adjacent to a wall portion of the housing forming the opening.
  • the base forms a tongue parallel to the wall portion and the portion of ice, and the or each of the metal strips has a U-shaped profile fitting said tongue.
  • the tongue comprises two opposite main faces, the or each of the lamellae comprising a convex portion on one of the main faces which is opposite the ice, said convex portion being pressed against the one or more electrically conductive tracks.
  • the tongue is formed integrally with the wall portion of the housing or is formed by a cover inside the housing.
  • the portion (s) of track (s) conductively (s) electrically in pressure against the electrical contact (s) is / are located (s) on a portion of the ice transverse to a wall portion of the housing forming the opening, the base being fixed to a cover inside the housing.
  • the measures of the invention are interesting in that they make it possible to ensure a reliable electrical connection between the window and the housing, and this despite inevitable dispersion at the relative position between the window and the housing as well as level of the positioning of the electric tracks relative to the ice and the connector relative to the housing.
  • the electrical connection is made by one or more electrical contacts movable elastically relative to the housing and pressure against the electric track or tracks on the ice implies that a certain tolerance is allowed, not only in the direction of deformation of the electrical contact or contacts but also in the mounting direction of the ice on the housing and in a direction transverse to the mounting direction in the plane of the electrical track or tracks.
  • FIGS. 1 to 3 illustrate a first embodiment of the invention.
  • the figure 1 is a longitudinal and vertical sectional view of a lighting device, in this case a projector, of a motor vehicle.
  • the device 2 essentially comprises a housing 4 forming an opening, and a window 6 assembled to the housing so as to close the opening in question.
  • the housing 4 encloses one or more light modules, in a manner well known to those skilled in the art.
  • the housing 4 comprises at the periphery of the opening corresponding to the ice 6 one or more grooves 4.1 receiving a rib 6.1 of the ice 6, said rib extending at the periphery of the ice.
  • This rib extends from the ice in a direction generally parallel to the wall portion 4.2 of the casing forming the groove 4.1. This direction corresponds to the direction of placement of the glass 6 on the housing during manufacturing operations.
  • the rib 6.1 may be made by overmolding material on the transparent and main material of the ice 6, it being understood that it may also be integral with the transparent and main material of the ice 6.
  • the ice 6 comprises on its inner face 6.2 an electrically conductive and resistive coating, forming a heating zone for defrosting the ice 6. This coating is however not visible at the figure 1 because of its transparency and its thinness. It is applied on a central and main portion of the ice opposite the light module or modules.
  • the ice 6 also comprises on its inner face at least two electrical tracks 6.3 in electrical contact with the heating zone and extending towards the bottom of the ice.
  • a connector 8 is arranged on an optical mask 10 thus also providing a support role for the connector.
  • Connector 8 includes electrical contacts resiliently movable, in contact and pressure against the electrical tracks 6.3 in question.
  • the electrical contact between the electrical tracks 6.2 and the connector is made during the assembly of the lighting device, more precisely when the ice 6 is placed on the housing 4.
  • the engagement direction of the rib 6.1 ice in the grooves 4.1 of the housing corresponds to a direction of pressurization of the electrical tracks 6.3 against the electrical contacts of the connector 8.
  • the figure 2 illustrates in perspective the connector 8. It comprises a base 12, preferably made of plastic and electrically insulating material, and electrical contacts 14 mounted on the base 12.
  • the electrical contacts are advantageously formed by elastically deformable metal strips during the implementation. place ice on the housing, ensuring contact pressure against the corresponding electrical tracks on the ice.
  • the base may comprise positioning and fixing means, such as 12.1 orifices for positioning the base in a plane perpendicular to the direction of mounting of the ice on the housing, and / or retaining clips 12.2 intended to engage with the support of the connector and thus ensure its fixation.
  • positioning and fixing means such as 12.1 orifices for positioning the base in a plane perpendicular to the direction of mounting of the ice on the housing, and / or retaining clips 12.2 intended to engage with the support of the connector and thus ensure its fixation.
  • the figure 3 is a sectional view of the connector and the portion of ice in contact with said connector. It can be observed that the cover 10 comprises positioning pins engaging with the orifices 12.1 of the base of the connector 8. It can also be observed that the cover 10 comprises slots receiving the clips 12.2 of the base in question. It can be observed that the electrical contacts 14 of the connector 8 are against the inner face of the window 6, more precisely against the corresponding electrical tracks (not visible).
  • FIGS. 4 to 8 illustrate a second embodiment of the invention.
  • the reference numbers of the first embodiment are used to designate identical or corresponding elements, these numbers being however increased by 100. Reference is also made to the description of these elements in the context of the first embodiment.
  • the figure 4 is a sectional view of a lower part of a lighting device according to the second embodiment of the invention. It can be observed that the inner face of the glass 106 is provided with several electric tracks 106.3 parallel to each other. To the figure 4 only two tracks are visible because of the cut, a third track being actually present and not visible.
  • the connector 108 comprises, similarly to that of the first embodiment, a base 112 made of plastic and electrically insulating material, and electrical contacts 114.
  • the Figures 5 to 7 illustrate the connector 108 and the electrical contacts 114.
  • the electrical contacts 114 are mounted on the base 112.
  • the latter can be configured to be inserted on a support (not shown), similarly to the first embodiment.
  • the base 112 may comprise edges 112.1 forming stop surfaces on the support, and snap-fastening clips 112.2 intended to deform and engage with the support during the insertion of the base.
  • each electrical contact 114 is formed by folding from an electrically conducting metal strip.
  • Each electrical contact 114 comprises a front portion 114.1 protruding from the base 112.
  • the metal strip forms a rounded on the front portion 114.1 of more than 150 °, preferably close to 180 °.
  • the front portion 114.1 may further comprise on the rounding a rib 114.2 for forming the electrical contact area as such.
  • the rib 114.2 extends longitudinally along the strip over the entire round, preferably in the center of said strip.
  • the front portion 114.1, more precisely the rib 114.2 of each of the electrical contacts may comprise a silver-based coating so as to avoid corrosion and thus ensure electrical contact. The same goes for electric tracks.
  • Each electrical contact 114 may also include a rear portion 114.3 shaped rectilinear tube adapted to receive an end of an electrical wire for electrical connection with said wire.
  • Each electrical contact 114 may also include a central portion 114.4 ( figure 7 ) extending substantially perpendicularly to the rear portion 114.3 and comprising two lateral wings 114.5 capable of engaging with corresponding grooves 112.3 ( figure 5 ) that can be formed on walls or walls 112.4 parallel to each other and forming housings for the electrical contacts 114.
  • the front portion 114.1 extends from the end of the central portion 114.4 opposite the rear portion 114.3, in a direction inclined relative to the longitudinal direction of the rear portion 114.3, to then form the rounded and return to the central portion 114.4 at its junction with the rear portion 114.3.
  • the end 114.6 of the return of the rounding of the front portion 114.1 is free and remote from the junction between the central portion 114.4 and the rear portion 114.3.
  • the front portion 114.1 thus has a contact zone extending over more than 150 ° at the rounded portion and, moreover, is elastically deformable essentially at the junction with the central portion 114.4.
  • each electrical contact 114 advantageously extends in a corner 112.5 of the base 112 so as to be able to contact a surface parallel to each of the two perpendicular edges 112.6 and 112.7 forming the corner 112.5 in question.
  • the figure 8 illustrates an upper portion of the lighting device 102 of the figure 4 following a complementary or alternative configuration.
  • the crystal 106 comprises on a portion 106.4 adjacent the rib 106.1 and the groove 104.1 on the housing, and parallel to the wall portion 104.2 of the housing supporting the groove 104.1, one or more electric tracks 106.3 pressed against electrical contacts 114 a connector 108 similar or identical to that of Figures 4 to 7 .
  • the electrical contact or contacts made here at the figure 8 is with a portion of the ice 106.4 generally perpendicular to the ice portion of the figure 4 . More particularly, it is interesting to note that the electrical tracks 106.3 on the portion of ice 106.4 in question are generally parallel to the larger edge 112.7 of the base unlike the figure 4 where the electrical tracks are parallel to the smaller edge 112.6 ( figure 6 ).
  • the connector 108 is mounted in a housing 104.3 connected to the wall portion 104.2 of the housing 104.
  • the base of the connector 108 can be mounted in the housing by a movement insertion followed by engagement of the snap clips with corresponding surfaces on the housing.
  • FIG. 9 to 11 illustrate a third embodiment of the invention.
  • the reference numbers of the first and second embodiments are used to denote the same or corresponding elements, these numbers however being increased by 200 or 100, respectively. Reference is also made to the description of these elements in the context of the first and second embodiments.
  • the figure 9 illustrates the connector 208.
  • This comprises a base 212 in the form of a tongue paved by the electrical contact 214.
  • the latter is formed by a metal blade comprising a front portion or front 214.1 with a narrower lamella 214.2 projecting to ensure electrical contact with the corresponding electrical track.
  • the protruding slat 214.2 may be formed by cutting the front portion 214.1 and deformation in order to give it a curved shape, preferably in S, as visible in FIG. figure 9 . It is interesting to note that the end of the protruding lamella 214.2 is in contact with the surface of the base 212, which gives the lamella in question increased stiffness.
  • the electrical contact 214 comprises a rear portion 214.3 with a cylindrical zone for receiving and fixing an electric cable.
  • the electrical contact 214 comprises a central portion 214.4 forming a U-shaped profile fitting the end of the tongue 212.
  • the figure 10 illustrates a first variant of implementation of the connector of the figure 9 . It can be seen that the tab 212 serving as a base is formed directly on an optical cover 210. The latter is at least partially forward, and the tongue is directed rearwardly.
  • the electrical contact 214 has its projecting lamella 214.2 in contact with the electrical track 206.3 adjacent to the foot of the ice 206 provided with the rib 206.1.
  • the figure 11 illustrates a second variant of implementation of the connector of the figure 9 .
  • the tongue 212 serving as a base for the connector is this time directed towards the front and formed by a wall 204.3 supported by the wall portion 204.2 adjacent to the ice junction groove 204.1.
  • the tongue is integrally formed, i.e. integral, with the wall portion 204.2.
  • the protruding slat 214.2 is in contact with the electrical track 206.3, similarly to the first variant of the figure 10 with the difference that the electrical contact 214 is oppositely oriented.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Optics & Photonics (AREA)
  • Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
EP18166023.4A 2017-04-11 2018-04-06 Leuchtvorrichtung mit elektrischem kontakt zwischen der scheibe und dem gehäuse Withdrawn EP3388735A1 (de)

Applications Claiming Priority (1)

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FR1753151A FR3065057A1 (fr) 2017-04-11 2017-04-11 Dispositif lumineux avec contact electrique entre la glace et le boitier

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CN108709155A (zh) 2018-10-26
US20180294590A1 (en) 2018-10-11
FR3065057A1 (fr) 2018-10-12

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