EP1714306A2 - Ampoule de phare de vehicule - Google Patents

Ampoule de phare de vehicule

Info

Publication number
EP1714306A2
EP1714306A2 EP05726331A EP05726331A EP1714306A2 EP 1714306 A2 EP1714306 A2 EP 1714306A2 EP 05726331 A EP05726331 A EP 05726331A EP 05726331 A EP05726331 A EP 05726331A EP 1714306 A2 EP1714306 A2 EP 1714306A2
Authority
EP
European Patent Office
Prior art keywords
lamp
base sleeve
vehicle headlight
base
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.)
Granted
Application number
EP05726331A
Other languages
German (de)
English (en)
Other versions
EP1714306B1 (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

Links

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 headlight lamp according to the preamble of patent claim 1.
  • Such a vehicle headlight lamp is disclosed, for example, in published patent application EP 0 235 855 A1.
  • This document describes a halogen incandescent lamp of the type Hl, which is used in motor vehicle headlights to produce the low beam or high beam.
  • This halogen incandescent lamp has a lamp vessel with an incandescent filament arranged therein and a lamp base which has a metallic sleeve in which a sealed end of the lamp vessel is fixed.
  • the vehicle headlight lamp according to the invention has a lamp vessel, a lamp arranged within the lamp vessel and a lamp base, the lamp vessel having a sealed end with two opposite broad sides and two opposite narrow end faces, and the lamp base having 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 snap-in connection. This ensures a secure Anchorage of the lamp vessel in the metallic base sleeve guaranteed.
  • the aforementioned snap-in connection prevents the lamp vessel from being pulled out of the base sleeve against its direction of insertion after being inserted into the base sleeve.
  • the means for the aforementioned snap-in connection disadvantageously 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 which engages therein.
  • the wall area of the base sleeve which engages in the at least one notch is preferably designed as a locking tab which is directed into the interior of the base sleeve and which lies in the area of the at least one notch on the pinch seal of the lamp vessel.
  • a spring action is achieved by means of the locking tab.
  • the two narrow sides of the pinch seal with a clamp fit are arranged in the base sleeve.
  • the at least one narrow end face of the pinch seal preferably has a plurality of notches which form a sawtooth-shaped profile extending in the longitudinal direction of the pinch seal, and the base sleeve preferably has a plurality of locking tabs in order to ensure that at least one of the locking tabs is installed in the base sleeve when the pinch seal is installed snaps into a notch in the sawtooth profile.
  • the base sleeve can have bulges directed into 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 with at least one of the aforementioned bulges in the base sleeve wall can be advantageous in order to form a snap-in connection with the notches in the at least one narrow end face of the pinch seal.
  • the metallic base sleeve is advantageously provided with at least one opening in the region of the wide sides of the sealed end of the lamp vessel. This reduces the thermal load on the sealed end of the lamp vessel during lamp operation.
  • the metallic base sleeve is disadvantageously equipped with at least two tabs which are formed on two mutually opposite edges of the aforementioned at least one opening and bear against one of the wide sides of the sealed end of the lamp vessel, in order to ensure a press fit of the two wide sides of the sealed end of the To achieve lamp vessel in the base sleeve.
  • the broad side, on which the at least two tabs abut, is preferably provided with at least two molded-on guide webs which extend in the longitudinal direction of the lamp and serve as a stop for one of the two tabs.
  • the guide bars ensure exact alignment of the lamp vessel with the base sleeve.
  • Figure 1 is a side view of a vehicle headlamp according to the preferred embodiment of the invention
  • Figure 2 The vehicle headlight lamp shown in Figure 1 in a side view rotated by 90 degrees with respect to the lamp axis compared to the side view of Figure 1
  • FIG. 3 shows a side view of the lamp vessel of the vehicle headlight lamp shown in FIG. 1
  • FIG. 4 shows a side view, partly in section, of a section of the base sleeve of the vehicle headlight lamp shown in FIG. 1
  • FIG. 5 The section of the base sleeve shown in FIG. 4 is shown in a side view, rotated 90 degrees with respect to FIG. 4 and shown in section
  • Figure 6 is a side view of the contact tab and the base stone of the vehicle headlight lamp shown in Figure 1 7 shows the contact lug with base stone shown in FIG. 6 in a side view rotated by 90 degrees compared to FIG. 6
  • the preferred exemplary embodiment of the invention illustrated in FIGS. 1 to 7 is a halogen incandescent lamp of the Hl lamp type which can be used in motor vehicle headlights for producing the low beam, the high beam or the fog light.
  • This lamp has an essentially cylindrical lamp vessel 1 made of quartz glass, which has an essentially 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 in the interior 10 of the lamp vessel 1, the ends of which are each welded to a molybdenum foil 1 12, 113 via an internal power supply 21, 22 made of tungsten.
  • the molybdenum foils 1 12, 1 13 are part of the pinch seal 11, which is designed as a molybdenum foil seal. They are embedded gas-tight in the squeezing foot 11.
  • the squeezing foot 1 1 is fixed in a metallic base sleeve 3 with a press fit.
  • the base sleeve 3 has an opening 30 on each of two opposite side walls in the area of the squeeze foot 11, so that the wide sides 110 of the squeeze foot 11 in the area of the molybdenum foils 1 12, 113 are essentially not covered by the base sleeve 3 are so as not to hinder the heat radiation from the wide sides 1 10 of the pinch foot 11.
  • the base sleeve 3 essentially surrounds only the narrow end faces 1 1 1 of the squeezing foot 11.
  • the base sleeve 3 has two tabs 32, each of which extends into one of the openings 30 and in the overlap region of the power supply wires 23, 24 with the molybdenum foils 1 12, 113 rest on the pinch foot 1 1.
  • These tabs 32 are each formed on an edge of the respective opening 30 in the base sleeve 3. They serve as cooling plates for reducing the thermal load on the welded connections between the power supply wires 23, 24 and the molybdenum foils 1 12, 113.
  • the power supply wire 23 is electrically conductively connected to a contact tab 31 which is molded onto 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, for example, at ground potential during lamp operation.
  • the electrical opposite pole to this is formed by the contact lug 5, which is electrically conductively connected to the power supply wire 24 and is electrically insulated from the base sleeve 3 by means of the base stone 6 made of ceramic.
  • an annular base flange 4 is fastened, which serves for the alignment and assembly of the Hl 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 tab 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 show details of the lamp base and the lamp vessel 1.
  • FIG. 3 shows details of the lamp vessel 1 and the pinch seal II.
  • the pinch seal 1 1 has two opposite broad sides 1 10 and two opposite narrow end faces 111. It is essentially cuboid.
  • the molybdenum foils 1 12, 1 13 welded to the inner power supply lines 21, 22 and the power supply wires 23, 24 are embedded gas-tight in the squeezing foot 11.
  • the angled ends 231, 241 of the power supply wires 23, 24 overlap with the molybdenum foils 1 12 and 1 13 and are welded to the molybdenum foils 112 and 113, respectively.
  • the two tabs 32 rest on the wide sides 110 of the pinch seal 11, so that the pinch seal 11 is arranged between the two tabs 32 with a clamp 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 forms, together with at least one of the three locking tabs 33 shown in FIG. 4, which are molded onto the base sleeve 3 and extend into the interior of the base sleeve 3, a latching connection. After inserting the pinch seal 1 1 into the base sleeve 3, the locking latches 33 behind the teeth of the sawtooth-shaped profile 1110 and thus prevent the pinch seal 11 from being pulled out of the base sleeve 3 again.
  • the locking tabs 33 are designed to be resilient, so that the narrow end faces 111 of the pinch seal 11 are also arranged with a clamp fit in the base sleeve 3.
  • Each of the two broad sides 110 of the pinch seal 11 is equipped with a molded pair of guide webs 114, 115 which extend in the longitudinal direction of the lamp or the lamp vessel 1 and which each cooperate with a pair of tabs 34, 35 molded onto the base sleeve 3, to enable an exact alignment of the lamp vessel 1 with respect to the base sleeve 3.
  • the tabs 34, 35 are each formed on two opposite edges of the openings 30 in the area of the pinch seal 11 in the area of the pinch seal 11, which extend in the longitudinal direction of the lamp, and fit with a clamp 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.
  • the base sleeve 3 also has four further fastening tabs 362 which rest in the area of the openings 30 with a clamp 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 from the light emitted by the incandescent filament 2.
  • the essentially cuboid socket 3 has two recesses 38 on two opposite sides, which are used to weld the power supply wires 23, 24 to the contact tab 31 or the contact lug 5.
  • FIGS. 6 and 7 show details of the contact lug 5 and the base 6.
  • the contact tab 5 is fixed with a press fit in the hollow base 6. Both ends of the contact tab 5 protrude from the base 6. Inside the Base 6 is a shoulder 61, on which a shoulder 53 of the contact tab 5 is seated.
  • the welding tab 52 protruding from the base block 6 is provided with a flattening 51 or offset which interacts with the shoulder 53 and the shoulder 61 in order to ensure that the contact lug 5 is clamped in the base block 6.
  • the welding tab 52 of the contact lug 5 is welded to the power supply wire 24 after the structural unit consisting of the base block 6 and the contact lug 5 has been inserted into the base sleeve 3.
  • the contact lug 5 has a spring tab 54 which is formed on a side edge and spread apart from it, which ensures that the contact lug 5 is clamped 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)
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 true EP1714306A2 (fr) 2006-10-25
EP1714306B1 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
JP5140733B2 (ja) * 2007-10-18 2013-02-13 オスラム アクチエンゲゼルシャフト 殊に飛行場標識照明のための、ケーブルを備えた作り付けランプ
CN108204541A (zh) * 2017-11-23 2018-06-26 韦龙生 一种便利安装的led灯
USD973246S1 (en) * 2020-08-07 2022-12-20 Lumileds Llc Headlight bulb for vehicle
USD969369S1 (en) * 2020-08-07 2022-11-08 Lumileds, LLC Headlight bulb for vehicle
USD973245S1 (en) * 2020-08-07 2022-12-20 Lumileds Llc Headlight bulb for a 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

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO2005076317A2 *

Also Published As

Publication number Publication date
JP4445975B2 (ja) 2010-04-07
CN100583388C (zh) 2010-01-20
ATE408892T1 (de) 2008-10-15
CA2555487A1 (fr) 2005-08-18
US7659656B2 (en) 2010-02-09
JP2007523452A (ja) 2007-08-16
DE102004006439A1 (de) 2005-08-25
WO2005076317A3 (fr) 2005-10-06
CN1918689A (zh) 2007-02-21
WO2005076317A2 (fr) 2005-08-18
EP1714306B1 (fr) 2008-09-17
DE502005005398D1 (de) 2008-10-30
ES2309736T3 (es) 2008-12-16
US20070159840A1 (en) 2007-07-12

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