EP0395514A1 - Sichereitszusammenbau eines Verbinders und einer Hochspannungslampe, besonders für Wagenbeleuchtung - Google Patents

Sichereitszusammenbau eines Verbinders und einer Hochspannungslampe, besonders für Wagenbeleuchtung Download PDF

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Publication number
EP0395514A1
EP0395514A1 EP90401131A EP90401131A EP0395514A1 EP 0395514 A1 EP0395514 A1 EP 0395514A1 EP 90401131 A EP90401131 A EP 90401131A EP 90401131 A EP90401131 A EP 90401131A EP 0395514 A1 EP0395514 A1 EP 0395514A1
Authority
EP
European Patent Office
Prior art keywords
lamp
connector
assembly according
connection elements
conductive
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.)
Granted
Application number
EP90401131A
Other languages
English (en)
French (fr)
Other versions
EP0395514B1 (de
Inventor
Joel Leleve
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 EP0395514A1 publication Critical patent/EP0395514A1/de
Application granted granted Critical
Publication of EP0395514B1 publication Critical patent/EP0395514B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • 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
    • H01R33/945—Holders with built-in electrical component
    • H01R33/96—Holders with built-in electrical component with switch operated by engagement or disengagement of coupling

Definitions

  • the present invention relates to a connector and high-voltage lamp assembly, in particular for a motor vehicle headlamp, which comprises means to avoid any risk of electric shock to the user when the lamp is removed from the connector or incorrectly positioned on it. -this.
  • Arc lamps which have an excellent light output, currently tend to be used in vehicle headlights as a replacement for conventional filament lamps.
  • this type of lamp is however disadvantageous in that they require for their power high electrical voltages, and more precisely a voltage of the order of ten thousand volts for their ignition, and a voltage of the order of 80 volts for maintaining the arc once established.
  • the present invention aims to propose an original solution to this problem.
  • the lamp and the connector comprising at least two electrically conductive and complementary connection elements for supplying the lamp, characterized in that there is provided in a region not immediately accessible from the connector a conductive member which, in the absence of external stress, establishes mutual electrical contact between said connector connection elements, thereby shorting said elements connection, and in that the lamp carries at least one actuating element which, when said lamp is correctly placed in the connector, urges said conductive member so as to break the electrical contact between said connector connection elements.
  • the conductive member when it is stressed, deforms elastically. It advantageously comprises an elastic blade, one end of which is permanently fixed to a first conductive element for supplying current to the lamp and the other, free end of which is opposite a second conductive element d 'current feed, the actuator or members exerting their stress on a surface of the blade located between said ends.
  • the actuating element at least provided is preferably constituted in this case by an electrically insulating rigid rod extending parallel to the direction of the lamp positioning movement, and said region not immediately accessible is then advantageously an internal cavity of a body of the connector and in that there is provided at least one passage for introducing the rigid rod at least provided in said cavity.
  • the lamp of said assembly is an arc lamp of a motor vehicle headlamp.
  • the invention also relates to a motor vehicle lighting device, characterized in that it comprises a connector and lamp assembly as defined above as well as a lamp supply circuit comprising protection means against short circuits.
  • an arc lamp 100 which comprises a sealed envelope 110 and a base 120.
  • Two electrical connection pins 130a and 130b carried by two studs 132a, 132b integral with the base extend parallel towards the back of the base.
  • Two rigid electrically insulating rods 140a and 140b also extend rearward, parallel to the pins 130a and 130b, over an axial extent substantially greater than said pins. The purpose of these rods is to ensure a stable positioning of the lamp and possibly, by providing an asymmetrical arrangement, to take the place of polarizers to ensure that the lamp is placed in its correct orientation.
  • the pins and the rods are essentially cylindrical, and their respective axes are respectively contained in two axial planes, vertical for the pins and horizontal for the rods.
  • the connector 200 comprises a body 210 of insulating material such as plastic, which has a generally cylindrical shape. At the front of the body 210 are provided, at the bottom of a cavity 212 for receiving the studs 132a, 132b, two cylindrical passages 214a, 214b for the reception of pins 130a, 130b, as well as two cylindrical passages (not visible) for rods 140a, 140b. These passages comprise, as female connection elements intended to cooperate with said pins, two metal sleeves 220a, 220b flared forward (to the right in FIGS. 1 and 2) to facilitate the introduction of pins 130a, 130b during the fitting of the lamp 100.
  • a first conductive element 230a has a generally L-shaped profile, the first branch of which extends radially, is fixed to the respective sheath 220a, for example by welding, and the second branch of which extends axially and defines at its end. free a male terminal 232a able to receive a female terminal 240a constituting a first current supply to the lamp and connected to a suitable supply by a first flexible conductor 250a.
  • a second conductive element 230b is substantially symmetrical with the first with respect to the horizontal axis A and provides the electrical connection between the second sheath 220b and a second female terminal 240b for supplying current, by defining for this purpose at l free end of its axial branch a complementary male terminal 232b.
  • the female terminal 240b is connected to the second terminal of an appropriate supply by a second flexible conductor 250b.
  • the conductors 230a, 230b and the lugs 232a, 232b and 240a, 240b are housed in an interior space 216 of the connector body 210, this space being practically inaccessible to the user, in order to avoid any risk of electrocution by voltages. high conveyed by the various conductive parts for the supply of the arc lamp.
  • the cylindrical passages of pins and rods, mentioned above, pass through the body to the cavity.
  • a suitable plug 260 produced for example using a hot-cast insulating material, virtually inviolably closes the internal cavity 216 by the rear, by simply letting the flexible conductors 250a, 250b pass.
  • means are provided in this lamp / connector assembly for establishing a short circuit between the two current leads provided in the connector as soon as the lamp 100 is withdrawn from said connector or improperly positioned thereon.
  • these means comprise a metallic short-circuiting member 270, made in one piece and which extends inside the cavity 216.
  • the electrical connection between the sheath 220b and the current supply is provided both by the conductive element 230b and by a part of this member, as will be seen below.
  • the short-circuiting member 270 has a "U" shaped profile comprising two radial branches extending from a base which extends parallel to the axis A. More specifically, a first branch 270a constitutes the radial branch of the conductive element 230b, and is welded to the sheath 220b at its upper end.
  • the base 270b of the "U" is applied tightly against the conductive element 230b, which is here limited to its only axial branch, by means of a screw 280 which passes through the elements 230b and 270 and cooperates with a thread formed in said base 270b.
  • the screw capable of being brought to a high potential, is masked by an insulating cap 290.
  • o Element 230b extends to the left until the male terminal 232b.
  • the current path between the sheath 220b and the terminal 232b is provided here, permanently, by the branch 270a of the member 270, the base 270b and the conductive element 230b, these last two parts being joined one to the other. the other at screw 280.
  • the second branch of the short-circuiting member 270 has, as shown in FIG. 3, a part main 270c of generally triangular shape, which is connected to the base 270b by a tab 270d.
  • the regions of the two vertices of the triangle which are adjacent to the tab 270d constitute support zones for the free ends of the rods 140a, 140b of the lamp 100.
  • the region of the third vertex, opposite to said tab 270d, is located in screws -vis the radial branch of the first conductive element 230a and is in the form of a recess 270e directed towards said branch.
  • the shape of the part 270 without solicitation is such that, when it is placed in the cavity 216 as shown in FIG. 1 and fixed with the screw 280, its recess 270e comes to apply elastically against the radial branch of the element 230a and the underlying sheath 220a, thereby short-circuiting the two current leads within the connector.
  • This can be obtained for example by ensuring that in the absence of stress, the main plane of the tab 270d and of the part 270c makes an angle slightly less than 90 ° with the plane of the base 270b.
  • the lamp / connector assembly as described above behaves as follows: when the lamp 100 is not placed in its connector 200 (FIG. 1), then the member 270 as just indicated ensures a short circuit between the two current leads in the connector, and therefore between the two sleeves 220a, 220b forming female connectors. The difference in potential between these two elements is therefore zero and there is no risk of electric shock if, accidentally, the user's fingers come into contact with the accessible ends of said sleeves.
  • FIG. 2 illustrates the situation in which the lamp has almost reached its final position, and it can be observed that, under the effect of the aforementioned stress, the recess 270e has left the conductor 230a, the two current leads being now isolated from each other. The lamp 100 can therefore be supplied normally.
  • the short-circuiting member 270 must be made of a metal or alloy endowed with good elasticity qualities, to avoid any permanent deformation liable to harm the restoration of the short circuit when the lamp is removed again.
  • the short circuit is maintained at least until the two pins 130a, 130b, already in electrical contact with the associated female elements, are no longer accessible to the fingers of the user, being masked by the beginning of the penetration of the studs 132a, 132b in their associated cavities of the body 210 of the connector.
  • the short circuit which ensures the safety of the user is established not only when the lamp is completely removed, but also when it is incorrectly positioned on the connector.
  • a lamp / connector assembly according to the present invention must be used in conjunction with a power supply comprising specific means for its protection when its two output terminals are short-circuited. It is indeed imperative that, when the lamp 100 is removed or comes to occupy an incorrect position while the power is on, the latter does not undergo any degradation due to the establishment of the short circuit within the connector.
  • means of protection against short circuits can be used as described in the French patent application filed on the same day as the present application by the Applicant and entitled “Motor vehicle lighting device comprising means of protection against short circuits ".

Landscapes

  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
  • Connecting Device With Holders (AREA)
EP19900401131 1989-04-26 1990-04-25 Sichereitszusammenbau eines Verbinders und einer Hochspannungslampe, besonders für Wagenbeleuchtung Expired - Lifetime EP0395514B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR8905540A FR2646567B1 (fr) 1989-04-26 1989-04-26 Ensemble de connecteur et de lampe a haute tension a haute securite, notamment pour eclairage automobile
FR8905540 1989-04-26

Publications (2)

Publication Number Publication Date
EP0395514A1 true EP0395514A1 (de) 1990-10-31
EP0395514B1 EP0395514B1 (de) 1992-10-14

Family

ID=9381154

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19900401131 Expired - Lifetime EP0395514B1 (de) 1989-04-26 1990-04-25 Sichereitszusammenbau eines Verbinders und einer Hochspannungslampe, besonders für Wagenbeleuchtung

Country Status (5)

Country Link
EP (1) EP0395514B1 (de)
JP (1) JPH02304884A (de)
DE (1) DE69000386T2 (de)
ES (1) ES2035718T3 (de)
FR (1) FR2646567B1 (de)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2245775B (en) * 1990-05-30 1994-07-13 Amp Inc Electrical connector short circuiting arrangements
US5484298A (en) * 1994-02-08 1996-01-16 Sony Corporation Self-terminating XLR connector device
WO2020109055A1 (en) * 2018-11-30 2020-06-04 Signify Holding B.V. A lighting fixture for a light emitting diode, led, lighting device

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111102518B (zh) * 2020-01-03 2020-10-30 浙江台谊消防设备有限公司 一种火灾紧急照明设备

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH534435A (de) * 1971-07-15 1973-02-28 Siemens Ag Schaltvorrichtung
GB2025711A (en) * 1978-07-12 1980-01-23 Daimler Benz Ag Protection arrangement for an electric igniter

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH534435A (de) * 1971-07-15 1973-02-28 Siemens Ag Schaltvorrichtung
GB2025711A (en) * 1978-07-12 1980-01-23 Daimler Benz Ag Protection arrangement for an electric igniter

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2245775B (en) * 1990-05-30 1994-07-13 Amp Inc Electrical connector short circuiting arrangements
US5484298A (en) * 1994-02-08 1996-01-16 Sony Corporation Self-terminating XLR connector device
WO2020109055A1 (en) * 2018-11-30 2020-06-04 Signify Holding B.V. A lighting fixture for a light emitting diode, led, lighting device
JP2021535577A (ja) * 2018-11-30 2021-12-16 シグニファイ ホールディング ビー ヴィSignify Holding B.V. 発光ダイオード（ｌｅｄ）照明デバイスのための照明器具
US11457519B2 (en) 2018-11-30 2022-09-27 Signify Holding B.V. Lighting fixture for a light emitting diode, LED, lighting device

Also Published As

Publication number Publication date
DE69000386T2 (de) 1993-03-18
FR2646567B1 (fr) 1991-08-30
DE69000386D1 (de) 1992-11-19
JPH02304884A (ja) 1990-12-18
ES2035718T3 (es) 1993-04-16
FR2646567A1 (fr) 1990-11-02
EP0395514B1 (de) 1992-10-14

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