EP1987528B1 - Lampe - Google Patents

Lampe Download PDF

Info

Publication number
EP1987528B1
EP1987528B1 EP07704638.1A EP07704638A EP1987528B1 EP 1987528 B1 EP1987528 B1 EP 1987528B1 EP 07704638 A EP07704638 A EP 07704638A EP 1987528 B1 EP1987528 B1 EP 1987528B1
Authority
EP
European Patent Office
Prior art keywords
lamp
power supply
apertures
supply wire
groove
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
EP07704638.1A
Other languages
German (de)
English (en)
Other versions
EP1987528A1 (fr
Inventor
Peter Helbig
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
Osram GmbH
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 Osram GmbH filed Critical Osram GmbH
Publication of EP1987528A1 publication Critical patent/EP1987528A1/fr
Application granted granted Critical
Publication of EP1987528B1 publication Critical patent/EP1987528B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01JELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J5/00Details relating to vessels or to leading-in conductors common to two or more basic types of discharge tubes or lamps
    • H01J5/50Means forming part of the tube or lamps for the purpose of providing electrical connection to it
    • H01J5/54Means forming part of the tube or lamps for the purpose of providing electrical connection to it supported by a separate part, e.g. base
    • H01J5/62Connection of wires protruding from the vessel to connectors carried by the separate part
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01KELECTRIC INCANDESCENT LAMPS
    • H01K1/00Details
    • H01K1/42Means forming part of the lamp for the purpose of providing electrical connection, or support for, the lamp
    • H01K1/46Means 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

Definitions

  • the invention relates to a lamp according to the preamble of claim 1.
  • Such a lamp is for example in the patent EP 1 006 551 B1 disclosed.
  • This document describes a halogen incandescent lamp, in particular a vehicle headlight lamp, with a metal-plastic base, which is provided with an opening in order to project out of the lamp vessel.
  • metallic contact lug To be able to weld power supply wires, each with a arranged in the base, metallic contact lug by means of a laser.
  • the lamp according to the invention has a lamp base, a lamp vessel anchored therein and at least one light source enclosed by the lamp vessel and at least two power supply wires leading out of the lamp vessel and serving to supply the voltage to the at least one light source, each with an am Lamp base arranged electrical contact element are connected, wherein in the lamp base for welding the at least one power supply wire with the corresponding electrical contact element for each power supply wire a breakthrough in the lamp cap is provided which is formed such that through the apertures a laser beam with an angle of incidence of zero degrees on the Surface of the weld is focused. That is, the at least one breakthrough is designed so that the laser beam impinges on the surface of the welding point perpendicular to carry out the welding operation.
  • the strength of the weld is increased by about 30 percent. It has been shown that in the in FIG. 4 illustrated welding process according to the above-cited prior art, the laser beam impinges at an angle of incidence of about 22.3 degrees to the surface of the weld and thereby a portion of the laser energy is absorbed by the power supply wire and thus no longer usable for the welding process. At an angle of incidence of the laser beam from zero degrees to the surface of the weld, as in FIG. 3 is schematically shown for the lamp according to the invention (the angle of incidence is measured against the surface normal of the surface), this disadvantage occurs not or only to a lesser extent.
  • each to be welded pair of contact lug and power supply wire a corresponding formed shaped breakthrough in order to keep the size of the openings in the socket as small as possible.
  • the apertures are arranged at the same height as the weld.
  • the contact elements are formed as contact lugs, each having a groove in which an angled end of the corresponding power supply wire is threaded. This allows easy assembly of the parts to be welded.
  • the welding point is preferably a web which delimits the groove of the contact lug, since it can be easily melted by means of the laser in order to produce the welded connection between contact lug and power supply wire.
  • a single-filament halogen incandescent lamp which is intended for use in a motor vehicle headlight.
  • This lamp has a glass, substantially cylindrical lamp bulb 10 with a gas-tight closed crotch 10a.
  • the dome 10b of the lamp bulb 10 is provided with a light-absorbing coating.
  • the light source is a parallel to the lamp bulb axis aligned filament 11, which is electrically connected to two led out of the pinch 10a, made of molybdenum wire power supply wires 12, 13 is connected.
  • the pinch foot 10a of the lamp bulb 10 is fixed in a metallic holder consisting of the cup-like holder part 14a, the intermediate ring 14e and the annular carrier sleeve 14b.
  • the lamp base also has a plastic base part provided with the electrical connections 16, 17 of the lamp. 15, in which the annular metallic support sleeve 14b is anchored.
  • the support sleeve 14b has three lying in a plane reference lugs 14c and a pressure spring 14d for mounting the lamp in the reflector 20 of a motor vehicle headlight.
  • the sealing of the reflector 20 takes place by means of a silicone sealing ring 19, which rests against the outer wall of the reflector 20 and on the plastic base part 15.
  • FIG. 1 the construction of the lamp according to the preferred embodiment and its use in ein.Scheinwerfer is shown schematically.
  • the electrical connections 16, 17 of the lamp consist of two metallic contact lugs 16, 17 which are each welded to one of the power supply wires 12, 13 (in FIG FIG. 1 not illustrated).
  • the contact lugs 16, 17 are made of a steel sheet and injected into the plastic base part 15 of the lamp cap. They 16, 17 each consist of an L-shaped sheet steel. In each case one leg 16a, 17a of the L-shaped contact lugs 16, 17 is designed as a plug contact, while the other leg 16b, 17b is provided with a groove 16c, 17c, in each of which the angled end 12a, 13a of a power supply wire 12, 13 is threaded is.
  • the in the cross section of the FIG. 2 normally hidden areas of the contact lugs 16, 17 are in FIG.
  • the angular range of the L-shaped contact lugs 16, 17 is tightly injected in the plastic base part 15 and therefore usually not visible.
  • the grooves 16c, 17c are bounded laterally by two webs 16d, 16e or 17d, 17e of different length. Both webs 16d, 16e and 17d, 17e each have on their groove 16c, 17c edge facing a slope 16f, 17f, which serve for threading the power supply wire 12, 13 in the groove 16c, 17c.
  • the shorter web 16e, 17e has a smaller width than the longer web 16d, 17d.
  • the welded connection between the Power supply wires 12, 13 and the contact lugs 16, 17 are made by briefly heating the material of the shorter webs 16e, 17e above its melting point by means of a laser. After solidification of the melt, the angled end 12a, 13a of the power supply wire 12, 13 is connected to the shorter web 16e, 17e.
  • the welded to the power supply wires 12, 13 L-legs 16b, 17b extend into the formed by the anchored in the plastic base member 15 support sleeve 14b interior.
  • the support sleeve 14b is provided at the level of the webs 16e, 17e with two apertures 18, which laser welding the power supply wires 12, 13, 13e with the short webs 16e, 17e of the corresponding contact lug 16 or, 17 after assembly of the lamp cap he follows.
  • the two openings 18 in the support sleeve 14b are located side by side, at the same height with the welded connection between the contact lug 16 and the power supply wire 12 and at the same height with the welded connection between the contact lug 17 and the power supply wire 13.
  • Each of the apertures 18 is formed in that the laser beam 19 can be focused at a zero angle of incidence on the surface of the corresponding welding point, that is to say on the surface of the narrow side of the web 16e or 17e, in order to carry out the abovementioned welded connections.
  • the laser beam 19 strikes, as shown schematically in FIG FIG. 3 is shown during the welding process perpendicular to the surface of the narrow side of the web 16e and 17e, respectively.
  • the lamp base can also have three openings.

Landscapes

  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
  • Fastening Of Light Sources Or Lamp Holders (AREA)

Claims (4)

  1. Lampe comprenant un culot de lampe, une ampoule de lampe (10) ancrée dans celui-ci et au moins un moyen d'éclairage (11) entouré par l'ampoule de lampe (10), ainsi qu'au moins deux fils d'alimentation (12, 13) sortant de l'ampoule de lampe (10) servant à alimenter en courant le ou les moyens d'éclairage (11) et qui sont connectés chacun à un élément de contact électrique (16, 17) disposé sur le culot de lampe, au moins une ouverture (18) étant prévue dans le culot de lampe pour souder les fils d'alimentation (12, 13) avec les éléments de contact électrique (16, 17) correspondants, caractérisée en ce qu'il est prévu une ouverture (18) pour chaque fil d'alimentation (12, 13) dans le culot de lampe, ces ouvertures (18) étant conçues de telle sorte qu'un faisceau laser avec un angle d'incidence de zéro degré puisse être focalisé sur la surface de la soudure respective à travers les ouvertures (18).
  2. Lampe selon la revendication 1, caractérisée en ce que les ouvertures (18) sont placées au même niveau que la soudure respective.
  3. Lampe selon la revendication 1 ou la revendication 2, caractérisée en ce que les éléments de contact sont conçues sous forme de tiges de contact (16, 17) pourvues chacune d'une rainure (16c, 17c) dans laquelle est enfilée une extrémité coudée (12a, 13a) du fil d'alimentation (12, 13) correspondant.
  4. Lampe selon la revendication 3, caractérisée en ce que les soudures sont placées chacune sur une entretoise (16e, 17e) limitant la rainure (16c, 17c).
EP07704638.1A 2006-02-21 2007-02-19 Lampe Not-in-force EP1987528B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE202006002886U DE202006002886U1 (de) 2006-02-21 2006-02-21 Lampe
PCT/EP2007/051558 WO2007096330A1 (fr) 2006-02-21 2007-02-19 Lampe

Publications (2)

Publication Number Publication Date
EP1987528A1 EP1987528A1 (fr) 2008-11-05
EP1987528B1 true EP1987528B1 (fr) 2013-06-05

Family

ID=36442252

Family Applications (1)

Application Number Title Priority Date Filing Date
EP07704638.1A Not-in-force EP1987528B1 (fr) 2006-02-21 2007-02-19 Lampe

Country Status (7)

Country Link
EP (1) EP1987528B1 (fr)
JP (1) JP5009938B2 (fr)
KR (1) KR101377619B1 (fr)
CN (1) CN101385111A (fr)
CA (1) CA2642923A1 (fr)
DE (1) DE202006002886U1 (fr)
WO (1) WO2007096330A1 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5612100B2 (ja) * 2009-09-18 2014-10-22 コーニンクレッカ フィリップス エヌ ヴェ 放電ランプのバーナーを固定する器具
DE102010002650B4 (de) 2010-03-08 2012-11-22 Osram Ag Halogenglühlampe für Fahrzeugscheinwerfer
GB2608995A (en) * 2021-07-15 2023-01-25 Ali Fidin Bashir Multiple scent fragrance bottle

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3783117T2 (de) * 1986-08-18 1993-06-17 Philips Nv Verbindung eines elementes aus glass oder keramik und eines elementes aus metall.
US5019743A (en) * 1989-11-17 1991-05-28 General Electric Company Mount structure for double ended lamp
DE19629714C1 (de) * 1996-07-25 1998-01-22 Heraeus Noblelight Gmbh Verfahren zur Herstellung von Anschlußkontakten für Strahler mit Quarzglas-Kolben
DE19855412A1 (de) * 1998-12-01 2000-06-08 Patent Treuhand Ges Fuer Elektrische Gluehlampen Mbh Elektrische Lampe
JP2000228101A (ja) * 1999-02-08 2000-08-15 Matsushita Electronics Industry Corp 蛍光ランプ
US6254252B1 (en) * 1999-05-14 2001-07-03 Osram Sylvania Inc. Lamp and lamp base assembly
JP3735690B2 (ja) * 2003-02-12 2006-01-18 株式会社日立製作所 電磁操作装置
JP3975931B2 (ja) * 2003-02-12 2007-09-12 ウシオ電機株式会社 ショートアーク型超高圧水銀ランプ
JP4376045B2 (ja) 2003-12-12 2009-12-02 株式会社リコー 定着装置及び画像形成装置

Also Published As

Publication number Publication date
DE202006002886U1 (de) 2006-05-04
KR20090003240A (ko) 2009-01-09
KR101377619B1 (ko) 2014-03-25
EP1987528A1 (fr) 2008-11-05
CA2642923A1 (fr) 2007-08-30
JP2009527881A (ja) 2009-07-30
WO2007096330A1 (fr) 2007-08-30
CN101385111A (zh) 2009-03-11
JP5009938B2 (ja) 2012-08-29

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