EP1714306B1 - Ampoule de phare de vehicule - Google Patents

Ampoule de phare de vehicule Download PDF

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Publication number
EP1714306B1
EP1714306B1 EP05726331A EP05726331A EP1714306B1 EP 1714306 B1 EP1714306 B1 EP 1714306B1 EP 05726331 A EP05726331 A EP 05726331A EP 05726331 A EP05726331 A EP 05726331A EP 1714306 B1 EP1714306 B1 EP 1714306B1
Authority
EP
European Patent Office
Prior art keywords
base sleeve
lamp
base
vehicle headlight
sleeve
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.)
Not-in-force
Application number
EP05726331A
Other languages
German (de)
English (en)
Other versions
EP1714306A2 (fr
Inventor
Klaus-Peter Knorr
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.)
Osram GmbH
Original Assignee
Patent Treuhand Gesellschaft fuer Elektrische Gluehlampen mbH
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 Patent Treuhand Gesellschaft fuer Elektrische Gluehlampen mbH filed Critical Patent Treuhand Gesellschaft fuer Elektrische Gluehlampen mbH
Publication of EP1714306A2 publication Critical patent/EP1714306A2/fr
Application granted granted Critical
Publication of EP1714306B1 publication Critical patent/EP1714306B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01K—ELECTRIC INCANDESCENT LAMPS
    • H01K3/00—Apparatus or processes adapted to the manufacture, installing, removal, or maintenance of incandescent lamps or parts thereof
    • H01K3/16—Joining of caps to vessel
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01K—ELECTRIC INCANDESCENT LAMPS
    • H01K1/00—Details
    • H01K1/42—Means forming part of the lamp for the purpose of providing electrical connection, or support for, the lamp
    • H01K1/46—Means forming part of the lamp for the purpose of providing electrical connection, or support for, the lamp supported by a separate part, e.g. base, cap
    • H01K1/465—Means forming part of the lamp for the purpose of providing electrical connection, or support for, the lamp supported by a separate part, e.g. base, cap with means to prevent loosening or unauthorised removal of the lamp

Definitions

  • the invention relates to a vehicle headlamp according to the preamble of patent claim 1.
  • Such a vehicle headlamp is, for example, in the published patent application EP 0 235 855 A1 disclosed.
  • This document describes a type H1 halogen incandescent lamp which is used in motor vehicle headlamps to produce the passing or driving beam.
  • This halogen incandescent lamp has a lamp vessel with an incandescent filament disposed therein and a lamp cap having a metallic sleeve in which a sealed end of the lamp vessel is fixed.
  • the vehicle headlamp according to the invention has a lamp vessel, an arranged inside the lamp vessel bulbs and a lamp cap, wherein the lamp vessel has a sealed end with two opposite broad sides and two opposite narrow end faces, and wherein the lamp cap has a metallic base sleeve in which the sealed End of the lamp vessel is fixed.
  • at least one of the narrow end faces and the metallic base sleeve are provided with coordinated means for a latching connection. This will be a safe anchorage ensures the lamp vessel in the metallic base sleeve. In particular, it is prevented by the aforementioned latching connection that the lamp vessel after insertion into the base sleeve against its insertion direction can be pulled out of the base sleeve again.
  • the means for the aforementioned locking connection comprise at least one notch, which is arranged in the at least one narrow end face of the pinch seal, and a wall region of the base sleeve engaging therein.
  • a latching connection can be realized in a simple and cost-effective manner.
  • the engaging in the at least one notch wall portion of the base sleeve is preferably formed as a directed into the interior of the base sleeve locking tab which rests in the region of the at least one notch on the pinch seal of the lamp vessel.
  • a spring effect is achieved by means of the locking tab. By the spring action of the locking tab, the two narrow sides of the pinch seal are arranged with a press fit in the base sleeve.
  • the at least one narrow end face of the pinch seal has a plurality of notches forming a saw-toothed profile extending in the longitudinal direction of the pinch seal
  • the socket shell preferably has a plurality of locking tabs to ensure that at least one of the locking tabs is assembled when the pinch seal is mounted in the socket shell engages in a notch of the sawtooth-shaped profile.
  • the base sleeve may have directed bulges in the interior, which engage in the notches on the at least one narrow end face of the pinch seal and form the latching connection.
  • a combination of at least one of the aforementioned locking tabs may be advantageous with at least one of the aforementioned bulges in the socket shell wall to form a latching connection with the notches in the at least one narrow end side of the pinch seal.
  • the metallic base sleeve is provided in the region of the broad sides of the sealed end of the lamp vessel with at least one opening. This reduces the thermal load on the sealed end of the lamp vessel during lamp operation.
  • the metallic base sleeve is provided with at least two tabs formed on two opposite edges of the aforesaid at least one aperture and abutting one of the wide sides of the sealed end of the lamp vessel to provide a press fit of the two wide sides of the sealed end of the lamp To achieve lamp vessel in the base sleeve.
  • the broad side against which abut the at least two tabs provided with at least two integrally formed, extending in the longitudinal direction of the lamp guide webs, which serve as a stop for one of the two tabs.
  • the guide webs ensure an exact alignment of the lamp vessel with respect to the base sleeve.
  • Illustrated preferred embodiment of the invention is a halogen incandescent lamp of the type H1 lamp, which is used in motor vehicle headlights for producing the low beam, the high beam or the fog light.
  • This lamp has a substantially cylindrical lamp vessel 1 made of quartz glass, which has a substantially circular cylindrical interior 10 and is closed at one end by means of a pinch seal 11.
  • a substantially cylindrical lamp vessel 1 made of quartz glass, which has a substantially circular cylindrical interior 10 and is closed at one end by means of a pinch seal 11.
  • an axially aligned incandescent filament 2 is arranged, whose ends are welded in each case via an inner power supply 21, 22 made of tungsten with a molybdenum foil 112, 113.
  • the molybdenum foils 112, 113 are part of the pinch seal 11, which is designed as Molybdänfolienabdichtung. They are embedded gas-tight in the pinch 11.
  • the pinch 11 protrude two of molybdenum current supply wires 23, 24, which are each welded to one of the molybdenum foils 112 and 113 and serve to power the filament 2.
  • the pinch 11 is fixed in a metallic base sleeve 3 with a press fit.
  • the base sleeve 3 has in the region of the pinch foot 11 on two opposite side walls in each case an opening 30, so that the broad sides 110 of the pinch 11 in the molybdenum foils 112, 113 are essentially not covered by the base sleeve 3 to the heat radiation from the wide sides 110 of the pinch 11 not to hinder.
  • the base sleeve 3 encloses substantially only the narrow end faces 111 of the pinch foot 11.
  • the base sleeve 3 has two tabs 32, each extending into one of the apertures 30 and in the overlapping region of the power supply wires 23, 24 with the molybdenum foils 112, 113 at the pinch 11th issue.
  • These tabs 32 are each formed on an edge of the respective opening 30 in the base sleeve 3. They serve as cooling plates to reduce the thermal load of the welded joints between the power supply wires 23, 24 and the molybdenum foils 112, 113th
  • the power supply wire 23 is connected in an electrically conductive manner to a contact lug 31, which is integrally formed on the base sleeve 3 and points into the interior of the base sleeve 3.
  • the base sleeve 3 and thus also the power supply wire 23 and the inner power supply 22 are located during lamp operation, for example at ground potential.
  • the electrical opposite pole forms the contact lug 5, which is electrically conductively connected to the power supply wire 24 and is electrically insulated from the base shell 3 by means of the ceramic base 6.
  • an annular base flange 4 is fixed, which serves for alignment and mounting of the H1 lamp in a motor vehicle headlight.
  • the lamp base consists of the base flange 4, the base sleeve 3, the base stone 6 and the contact lug 5.
  • the base sleeve 3 is preferably made of stainless steel or brass.
  • the base flange 4 is made of nickel silver and the contact lug 5 is made of stainless steel.
  • FIGS. 2 to 7 Details of the lamp cap and the lamp vessel 1 are shown.
  • FIG. 3 shows details of the lamp vessel 1 and the pinch seal 11.
  • the pinch seal 11 has two opposite broad sides 110 and two opposite narrow end faces 111. It is formed substantially cuboid.
  • the molybdenum foils 112, 113 welded to the inner power supply lines 21, 22 and the power supply wires 23, 24 are embedded gas-tight in the presser foot 11.
  • the angled ends 231, 241 of the power supply wires 23, 24 overlap with the molybdenum foils 112, 113, respectively, and are welded to the molybdenum foils 112, 113, respectively.
  • the two tabs 32 abut against the broad sides 110 of the pinch seal 11, so that the pinch seal 11 is arranged between the two tabs 32 with a clamping fit.
  • One of the two narrow end faces 111 of the pinch seal 11 is provided with a sawtooth-shaped profile which extends in the longitudinal direction of the lamp or the lamp vessel 1 and which consists of three notches 1110.
  • This profile 1110 together with at least one of the three in the FIG. 4 illustrated locking tabs 33 which are integrally formed on the base sleeve 3 and extend into the interior of the base sleeve 3, a latching connection. After inserting the pinch seal 11 in the base sleeve 3 snap the locking tabs 33 behind the teeth of the sawtooth-shaped profile 1110 and prevent so that the pinch seal 11 can be pulled out of the base sleeve 3 again.
  • the locking tabs 33 are resilient, so that the narrow end faces 111 of the pinch seal 11 are also arranged with a press fit in the base sleeve 3.
  • Each of the two wide sides 110 of the pinch seal 11 is provided with an integrally formed pair of guide webs 114, 115 extending in the longitudinal direction of the lamp or the lamp vessel 1, which interact in each case with a pair of tabs 34, 35 formed on the base sleeve 3, to allow an exact alignment of the lamp vessel 1 relative to the base sleeve 3.
  • the tabs 34, 35 are each formed on two opposite, extending in the longitudinal direction of the lamp edges of arranged in the region of the pinch seal 11 openings 30 of the base sleeve 3 and are located with a press fit on the wide sides 110 of the pinch seal 11.
  • the guide webs 114, 115 serve the free ends of the tabs 34, 35 as a stop.
  • Two pairs of nubs 116, 117 formed on the broad sides 110 of the pinch seal 11 cooperate with each guide tab 361 formed on the metallic base shell 3 and extending into the aperture 30 to provide accurate alignment and alignment To ensure leadership of the pinch seal 11 in the base sleeve 3.
  • the base sleeve 3 has four more attachment tabs 362, which rest in the region of the apertures 30 with a press fit on the wide sides of the pinch seal 11.
  • the base sleeve 3 has two integrally formed shielding plates 37 which shield the lamp base against the light emitted by the incandescent filament 2.
  • the substantially cuboid base sleeve 3 has on two opposite sides in each case two recesses 38, which serve for welding the power supply wires 23, 24 with the contact lug 31 or the contact lug 5.
  • the contact lug 5 is fixed with a press fit in the hollow base stone 6. Both ends of the contact lug 5 project out of the base stone 6. Inside the Base 6 is a paragraph 61, on which a shoulder 53 of the contact lug 5 is seated.
  • the protruding from the base stone 6 welding lug 52 is provided with a flattening 51 and crank, which cooperates with the shoulder 53 and the shoulder 61 to ensure the interference fit of the contact lug 5 in the base stone 6.
  • the welding tab 52 of the contact lug 5 is welded after insertion of existing from the base stone 6 and the contact lug 5 assembly in the base sleeve 3 with the power supply wire 24.
  • the contact lug 5 has a spring tongue 54 which is integrally formed on a side edge and spread apart from it and which ensures a press fit of the contact lug 5 in the base stone 6.

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Computer Security & Cryptography (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
  • Lighting Device Outwards From Vehicle And Optical Signal (AREA)

Claims (5)

  1. Lampe de phare de véhicule comprenant une enceinte de lampe, un moyen ( 2 ) d'éclairage disposé dans l'enceinte ( 1 ) de lampe et un culot de lampe, dans laquelle
    - l'enceinte ( 1 ) de lampe a une extrémité ( 11 ) rendue étanche ayant deux grands côtés ( 110 ) opposés l'un à l'autre et deux petits côtés ( 111 ) frontaux opposés l'un à l'autre,
    - le culot de lampe a une douille ( 3 ) métallique, dans laquelle l'extrémité ( 11) rendue étanche de l'enceinte ( 1 ) de lampe est immobilisée, au moins l'un des petits côtés ( 111 ) frontaux et la douille ( 3 ) métallique de culot étant munis de moyens ( 1110, 33) adaptés l'un à l'autre pour une liaison par encliquetage et
    - la douille ( 3) métallique de culot a, dans la zone des grands côtés ( 110) de l'extrémité ( 11 ) rendue étanche de l'enceinte ( 1 ) de lampe, au moins une traversée ( 30 ),
    caractérisée en ce que la douille ( 3 ) métallique de culot a au moins deux pattes ( 34, 35 ) qui sont formées sur deux bords mutuellement opposés de la traversée ( 30) et qui s'appliquent à un grand côté ( 110 ) de l'extrémité ( 11) rendue étanche de l'enceinte ( 1 ) de lampe.
  2. Lampe de phare de véhicule suivant la revendication 1, caractérisée en ce que le au moins un petit côté ( 111 ) frontal est muni d'au moins une encoche ( 1110 ) et la douille ( 3 ) métallique de culot est équipée d'une partie ( 33 ) de paroi y pénétrant.
  3. Lampe de phare de véhicule suivant la revendication 2, caractérisée en ce que la partie ( 33 ) de paroi est au moins une patte de verrouillage dirigée à l'intérieur de la douille ( 3 ) de culot.
  4. Lampe de phare de véhicule suivant la revendication 2, caractérisée en ce que la partie ( 33 ) de paroi est constituée sous la forme d'au moins une indentation dans la paroi de la douille de culot dirigée à l'intérieur de la douille ( 3 ) de culot.
  5. Lampe de phare de véhicule suivant la revendication 1, caractérisée en ce que le grand côté ( 110 ) de l'extrémité ( 11 ) rendue étanche de l'enceinte ( 1 ) de lampe est muni d'au moins deux barrettes ( 114, 115) de guidage qui y sont formées, qui s'étendent dans la direction longitudinale de la lampe de phare de véhicule et qui servent de butée pour, respectivement, l'une des deux pattes ( 34, 35 ).
EP05726331A 2004-02-09 2005-01-31 Ampoule de phare de vehicule Not-in-force EP1714306B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102004006439A DE102004006439A1 (de) 2004-02-09 2004-02-09 Fahrzeugschweinwerferlampe
PCT/DE2005/000144 WO2005076317A2 (fr) 2004-02-09 2005-01-31 Ampoule de phare de vehicule

Publications (2)

Publication Number Publication Date
EP1714306A2 EP1714306A2 (fr) 2006-10-25
EP1714306B1 true EP1714306B1 (fr) 2008-09-17

Family

ID=34801841

Family Applications (1)

Application Number Title Priority Date Filing Date
EP05726331A Not-in-force EP1714306B1 (fr) 2004-02-09 2005-01-31 Ampoule de phare de vehicule

Country Status (9)

Country Link
US (1) US7659656B2 (fr)
EP (1) EP1714306B1 (fr)
JP (1) JP4445975B2 (fr)
CN (1) CN100583388C (fr)
AT (1) ATE408892T1 (fr)
CA (1) CA2555487A1 (fr)
DE (2) DE102004006439A1 (fr)
ES (1) ES2309736T3 (fr)
WO (1) WO2005076317A2 (fr)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102007003491B4 (de) * 2007-01-24 2017-11-16 Osram Gmbh Lampe
US8604682B2 (en) 2007-10-18 2013-12-10 Osram Gesellschaft Mit Beschrankter Haftung Built-in lamp with cable, in particular for aerodrome lighting
CN108204541A (zh) * 2017-11-23 2018-06-26 韦龙生 一种便利安装的led灯
USD973245S1 (en) * 2020-08-07 2022-12-20 Lumileds Llc Headlight bulb for a vehicle
USD969369S1 (en) * 2020-08-07 2022-11-08 Lumileds, LLC Headlight bulb for vehicle
USD973246S1 (en) * 2020-08-07 2022-12-20 Lumileds Llc Headlight bulb for vehicle
CN115507335B (zh) * 2022-11-21 2023-01-24 保定来福汽车照明集团有限公司 一种汽车卤素灯

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1639093B2 (de) * 1967-06-28 1977-04-14 Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH, 8000 München Gluehlampe mit einer als sockel ausgebildeten aussenquetschung
DE1984184U (de) * 1967-09-08 1968-04-25 Patra Patent Treuhand Gluehlampe mit glassockel.
EP0152649A1 (fr) * 1984-01-09 1985-08-28 Koninklijke Philips Electronics N.V. Lampe électrique à culot en matériau synthétique
FR2595006B1 (fr) * 1986-02-25 1988-05-06 Philips Eclairage Lampe a incandescence electrique
US4769574A (en) 1986-08-04 1988-09-06 Koito Seisakusho Co., Ltd. Incandescent lamp with a metal coupling to a plastic lamp base for automotive headlamp and like lighting applications
JPH1040877A (ja) 1996-07-22 1998-02-13 Koito Mfg Co Ltd 口金付き電球
JP3237539B2 (ja) 1996-09-04 2001-12-10 ウシオ電機株式会社 口金付き白熱電球
JPH11144689A (ja) * 1997-11-07 1999-05-28 Koito Mfg Co Ltd 電 球
US6250970B1 (en) 1999-06-04 2001-06-26 Osram Sylvania Inc. Angled IDC lamp socket assembly
DE10222100A1 (de) * 2002-05-17 2003-11-27 Patent Treuhand Ges Fuer Elektrische Gluehlampen Mbh Dielektrische Barriere-Entladungslampe mit Sockel
DE102004006438A1 (de) * 2004-02-09 2005-08-25 Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH Fahrzeugscheinwerferlampe

Also Published As

Publication number Publication date
ATE408892T1 (de) 2008-10-15
US20070159840A1 (en) 2007-07-12
DE502005005398D1 (de) 2008-10-30
WO2005076317A2 (fr) 2005-08-18
CA2555487A1 (fr) 2005-08-18
JP2007523452A (ja) 2007-08-16
WO2005076317A3 (fr) 2005-10-06
CN100583388C (zh) 2010-01-20
CN1918689A (zh) 2007-02-21
US7659656B2 (en) 2010-02-09
EP1714306A2 (fr) 2006-10-25
ES2309736T3 (es) 2008-12-16
DE102004006439A1 (de) 2005-08-25
JP4445975B2 (ja) 2010-04-07

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