EP2122664B1 - Lampe à incandescence halogène - Google Patents

Lampe à incandescence halogène Download PDF

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Publication number
EP2122664B1
EP2122664B1 EP08708885.2A EP08708885A EP2122664B1 EP 2122664 B1 EP2122664 B1 EP 2122664B1 EP 08708885 A EP08708885 A EP 08708885A EP 2122664 B1 EP2122664 B1 EP 2122664B1
Authority
EP
European Patent Office
Prior art keywords
filament
incandescent
range
coil
halogen
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
EP08708885.2A
Other languages
German (de)
English (en)
Other versions
EP2122664A1 (fr
Inventor
Manfred Bühler
Hans Mayer
Klaus Wittmann
Sascha Zelt
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
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Filing date
Publication date
Application filed by Osram GmbH filed Critical Osram GmbH
Publication of EP2122664A1 publication Critical patent/EP2122664A1/fr
Application granted granted Critical
Publication of EP2122664B1 publication Critical patent/EP2122664B1/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
    • H01K1/00—Details
    • H01K1/02—Incandescent bodies
    • H01K1/14—Incandescent bodies characterised by the shape
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01K—ELECTRIC INCANDESCENT LAMPS
    • H01K9/00—Lamps having two or more incandescent bodies separately heated
    • H01K9/08—Lamps having two or more incandescent bodies separately heated to provide selectively different light effects, e.g. for automobile headlamp

Definitions

  • the invention relates to a halogen incandescent lamp according to the preamble of claim 1.
  • Such a halogen incandescent lamp is for example in the EP 1 667 205 A2 disclosed.
  • This publication describes a halogen incandescent lamp with two filaments enclosed by a lamp vessel, which are designed for different electrical powers. The first, designed for a higher electrical power filament is used when using the lamp in a motor vehicle headlight to produce the high beam, while the second, designed for a lower electrical power filament for generating a daytime running light is provided.
  • WO 02/07188 A1 describes a halogen incandescent lamp for motor vehicle headlamps with at least one formed as a single winding filament whose dimensions and / or geometry are tuned to an operating voltage of at least 20 volts and an electrical power consumption in the range of 50 watts to 100 watts, the length of the single winding in the range of 4.0 mm to 6.5 mm.
  • halogen lamps for vehicle headlights are in the documents EP 0 735 571 A2 .
  • the halogen incandescent lamp according to the invention has two filaments arranged inside a lamp vessel, wherein a first filament is designed for operation with a higher electrical power than the second filament, and the filaments are constructed such that their dimensions and / or their geometry in each case to an operating voltage are tuned by at least 20 volts, and at least the second filament is designed as a single winding filament.
  • the simple winding of the second, low-wattage filament produces a homogeneous luminance distribution when using the lamp according to the invention in the motor vehicle headlight and thus allows for vehicles with a vehicle electrical system voltage of nominal 24 volts a homogeneous daytime running light, position light or fog light.
  • the simple winding of the low-wattage filament has at least 30 turns and a length in the range of 3.5 mm to 5.5 mm in order to achieve the best possible homogeneity of the luminance distribution by the correspondingly dense arrangement of the windings.
  • the helical wire diameter of the single roll of the second, low-pass filament is in the range of 40 microns to 110 microns and the outside diameter is preferably in the range of 0.5 mm to 1.4 mm, around the low-watt filament to an operating voltage of at least 20 volts, in particular in the range of about 20 volts to 32 volts, and an electrical power consumption of 28 volts in the range of 15 Watt to 50 watts, and vote in particular in the range of about 17 watts to 22 watts.
  • the first, higher wattled filament is advantageously also designed as a single spiral filament to produce a homogeneous luminance distribution when using the lamp according to the invention in the vehicle headlight of a vehicle with a board voltage of nominal 24 volts in addition to the high beam or low beam.
  • the single winding of the first, higher-wattage filament has at least 20 turns and a length in the range of 4.0 mm to 6.5 mm to the best possible homogeneity of the luminance distribution and the interaction of the reflector of the vehicle headlight by the correspondingly dense arrangement of the windings a directed light emission as well as a well-defined light cone one to achieve.
  • the helical wire diameter of the single roll of the first, higher wattage filament is in the range of 100 microns to 140 microns, and the outer diameter is preferably in the range of 1.2 mm to 2.0 mm, around the higher watt filament to an operating voltage of at least 20 volts, in particular in the range of about 20 volts to 32 volts, and an electrical Adjust power consumption at 28 volts in the range of 50 watts to 100 watts, and in particular in the range of about 55 watts to 80 watts.
  • FIG. 1 shows a halogen incandescent lamp according to the invention for a vehicle headlight.
  • This halogen incandescent lamp has a glassy, substantially cylindrical lamp vessel 10, in whose interior two aligned parallel to the lamp vessel axis incandescent filaments 21, 22 are arranged, which serve to produce a high beam and a daytime running light.
  • the filaments 21, 22 are formed as simple coiled tungsten wires.
  • the filament outlets 211, 212 and 221, 222 of the incandescent filaments 21 and 22 are each wrapped with a molybdenum foil, which serves as a welding aid when welding the filament outlets 211, 212 and 221, 222 with power supply lines for the filaments 21, 22.
  • a sealed end 11 of the lamp vessel 10 is anchored in a lamp base 30.
  • the first filament 21 is partially surrounded by a dimming cap 4 formed from molybdenum sheet metal.
  • the anti-dazzle device 4 is supported by a first power supply wire 51 which, together with a second 52 and third power supply wire 53, serves to energize the two filaments 21, 22.
  • a first helical departure 211 of the first filament 21 by a projection welding welded to a welding lug 41 of the dimming cap 4 and thereby electrically connected via the dimming cap 4 to the first power supply wire 51.
  • the second coil outlet 212 of the first filament 21 is welded to the third power supply wire 53.
  • the first coil outlet 221 of the second filament 22 is also welded to the third power supply wire 53.
  • the second coil outlet 222 of the second filament 22 is welded to the second power supply wire 52.
  • the three power supply wires 51, 52, 53 each consist of molybdenum and are fixed between two fused quartz glass webs 13, so that they are arranged in a common plane.
  • the three power supply wires 51, 52, 53 are passed through the sealed end 11 of the lamp vessel 10 and each electrically connected to one of the three contact lugs 61, 62 or 62.
  • the three contact lugs 61, 62, 63 protrude laterally out of the lamp cap 30 and form the electrical connections of the halogen incandescent lamp.
  • the lamp base 30 is formed as a metal-plastic base, which has both a metallic base portion 31 and a base portion 32 made of plastic.
  • the lamp vessel 10 is anchored and the existing plastic base portion 32 is provided with the electrical contacts 61, 62, 63 of the lamp.
  • the first filament 21 is formed as a simple coiled filament with a nominal operating voltage of 24 V and an electrical power at 28 V in the range of about 55 W to 80 W. It is preferably used for generation of the high beam.
  • the data of the first filament 21 are listed in Table 1 below.
  • the second filament 22 is formed as a single-filament filament having a nominal operating voltage of 24V and an electrical power of 28V in the range of approximately 17W to 22W. It is preferably used to generate the daytime running light.
  • the data of the second filament 22 are listed in Table 2 below.
  • Table 1 Coil data of the first, higher-watt incandescent filament: number of turns 28.5 Length of the single wrap 5.5 mm ⁇ 0.1 mm Outer diameter of the helix 1.4 mm ⁇ 0.1 mm Thickness or diameter of the spiral wire 120 ⁇ m ⁇ 10 ⁇ m number of turns 47 Length of the single wrap 4.8 mm ⁇ 0.1 mm Outer diameter of the helix 0.9 mm ⁇ 0.1 mm Thickness or diameter of the spiral wire 60 ⁇ m ⁇ 5 ⁇ m

Landscapes

  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
  • Lighting Device Outwards From Vehicle And Optical Signal (AREA)
  • Circuit Arrangement For Electric Light Sources In General (AREA)

Claims (7)

  1. Lampe à incandescence halogène pour phares de véhicule automobile comportant deux filaments incandescents (21, 22) disposés à l'intérieur d'une enveloppe (10), dans laquelle
    - un premier filament incandescent (21) est conçu pour fonctionner avec une plus grande puissance électrique que le deuxième filament incandescent (22),
    - les filaments incandescents (21, 22) sont construits de telle sorte que leurs dimensions et/ou leur géométrie sont respectivement adaptées à une tension de service d'au moins 20 volts, et au moins le deuxième filament incandescent (22) est un filament boudiné réalisé en tant que bobinage simple,
    caractérisée en ce que
    les dimensions et/ou la géométrie du deuxième filament incandescent (22) réalisé en tant que bobinage simple sont adaptées à une puissance électrique à 28 volts dans la plage de 15 watts à 50 watts, dans laquelle
    - la longueur du bobinage simple (22) se situe dans la plage de 3,5 à 5,5 mm,
    - le diamètre externe du bobinage simple du deuxième filament incandescent (22) se situe dans la plage de 0,5 mm à 1,4 mm,
    - le diamètre du filament spiralé du bobinage simple du deuxième filament incandescent (22) se situe dans la plage de 40 microns à 110 microns, et
    - le bobinage simple du deuxième filament incandescent (22) possède au moins 30 enroulements.
  2. Lampe à incandescence halogène selon la revendication 1, dans laquelle le premier filament incandescent (21) est un filament bobiné réalisé en tant que bobinage simple.
  3. Lampe à incandescence halogène selon la revendication 2, dans laquelle les dimensions et/ou la géométrie du premier filament (21) réalisé en tant que bobinage simple sont adaptées à une puissance électrique à 28 volts dans la plage de 50 watts à 110 watts.
  4. Lampe à incandescence halogène selon l'une des revendications 2 ou 3, dans laquelle la longueur du bobinage simple du premier filament incandescent (21) se situe dans la plage de 4,0 mm à 6,5 mm.
  5. Lampe à incandescence halogène selon l'une ou plusieurs des revendications 2 à 4, dans laquelle le diamètre externe du bobinage simple du premier filament incandescent (21) se situe dans la plage de 1,2 mm à 2,0 mm.
  6. Lampe à incandescence halogène selon l'une ou plusieurs des revendications 2 à 5, dans laquelle le diamètre du filament spiralé du bobinage simple du premier filament incandescent (21) se situe dans la plage de 100 microns à 140 microns.
  7. Lampe à incandescence halogène selon l'une ou plusieurs des revendications 2 à 6, dans laquelle le bobinage simple du premier filament incandescent (21) possède au moins 20 enroulements.
EP08708885.2A 2007-02-19 2008-02-12 Lampe à incandescence halogène Not-in-force EP2122664B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102007008147A DE102007008147A1 (de) 2007-02-19 2007-02-19 Halogenglühlampe
PCT/EP2008/051640 WO2008101832A1 (fr) 2007-02-19 2008-02-12 Lampe à incandescence halogène

Publications (2)

Publication Number Publication Date
EP2122664A1 EP2122664A1 (fr) 2009-11-25
EP2122664B1 true EP2122664B1 (fr) 2014-06-25

Family

ID=39386097

Family Applications (1)

Application Number Title Priority Date Filing Date
EP08708885.2A Not-in-force EP2122664B1 (fr) 2007-02-19 2008-02-12 Lampe à incandescence halogène

Country Status (6)

Country Link
US (1) US8011798B2 (fr)
EP (1) EP2122664B1 (fr)
JP (1) JP5177768B2 (fr)
CN (1) CN101578685A (fr)
DE (1) DE102007008147A1 (fr)
WO (1) WO2008101832A1 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2983689A1 (fr) * 2007-10-23 2013-06-14 Oreal Applicateur pour peigner ou appliquer un produit sur les cils et/ou les sourcils
DE102008056174A1 (de) * 2008-11-06 2010-05-12 Osram Gesellschaft mit beschränkter Haftung Halogenglühlampe für Fahrzeugscheinwerfer und Fahrzeugscheinwerfer
DE102012202081A1 (de) 2012-02-13 2013-08-14 Osram Gmbh Glühfaden für elektrische lampen und elektrische lampe sowie herstellungsverfahren für einen glühfaden

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2860249B2 (ja) * 1994-04-08 1999-02-24 スタンレー電気株式会社 自動車用ハロゲン電球
US5686786A (en) * 1995-03-08 1997-11-11 Illumination Technology, Inc. Light bulb with glass envelope having light transmission of a wavelength only up to 700mm
JP3532011B2 (ja) * 1995-03-31 2004-05-31 ハリソン東芝ライティング株式会社 電球、車両用前照灯および車両
DE19946297A1 (de) * 1999-09-28 2001-04-12 Philips Corp Intellectual Pty Glühlampe
DE10035401B4 (de) 2000-07-19 2006-01-26 Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH Halogenglühlampe für Kraftfahrzeugscheinwerfer
DE102004040415A1 (de) 2004-08-19 2006-02-23 Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH Elektrische Glühlampe für Fahrzeugscheinwerfer
DE102004040417A1 (de) 2004-08-19 2006-02-23 Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH Elektrische Glühlampe für Fahrzeugscheinwerfer
DE102004053644A1 (de) 2004-11-03 2006-05-04 Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH Fahrzeugscheinwerferlampe
US7527571B2 (en) 2004-12-20 2009-05-05 Shimano Inc. Rear derailleur for bicycle

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
E/ECE/324 Agreement concerning the adoption of uniform technical prescriptions for wheeled vehicles, equipment and parts which can be fitted and/or be used on wheeled vehicles and the conditions for reciprocal recognition of approvals granted on the basis of these prescriptions *

Also Published As

Publication number Publication date
CN101578685A (zh) 2009-11-11
JP5177768B2 (ja) 2013-04-10
DE102007008147A1 (de) 2008-08-21
EP2122664A1 (fr) 2009-11-25
US20100060161A1 (en) 2010-03-11
JP2010517232A (ja) 2010-05-20
US8011798B2 (en) 2011-09-06
WO2008101832A1 (fr) 2008-08-28

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