EP2649638A1 - Lampe halogène pour phare de véhicule et phare de véhicule - Google Patents

Lampe halogène pour phare de véhicule et phare de véhicule

Info

Publication number
EP2649638A1
EP2649638A1 EP12701852.1A EP12701852A EP2649638A1 EP 2649638 A1 EP2649638 A1 EP 2649638A1 EP 12701852 A EP12701852 A EP 12701852A EP 2649638 A1 EP2649638 A1 EP 2649638A1
Authority
EP
European Patent Office
Prior art keywords
halogen incandescent
incandescent lamp
range
filament
millimeters
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.)
Ceased
Application number
EP12701852.1A
Other languages
German (de)
English (en)
Inventor
Harald Kaps
Oliver WOISETSCHLÄGER
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 EP2649638A1 publication Critical patent/EP2649638A1/fr
Ceased legal-status Critical Current

Links

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

Definitions

  • the invention relates to a halogen incandescent lamp for driving ⁇ zeugscheinwerfer according to the preamble of claim 1 and vehicle headlights with such a halogen incandescent lamp.
  • Such a halogen incandescent lamp is disclosed for example in WO 2007/042464 AI.
  • This specification describes a halogen incandescent lamp for vehicle headlights with an inside of a translucent lamp vessel angeord ⁇ Neten filament.
  • the incandescent filament is dimensioned so that the halogen incandescent lamp has an electrical power consumption of approx. 55 watts during its operation on the onboard supply voltage of the vehicle and generates a luminous flux of approx. 1715 lumens.
  • the halogen incandescent lamp according to the invention for vehicle registration ⁇ thrower has a within a translucent Lamp vessel arranged, coiled filament, which is dimensioned such that the halogen incandescent lamp when operating with an operating voltage of 13.2 V, an electrical power consumption in the range of greater than 22 watts and less than or equal to 27 watts and has a luminous flux in the range of 400 lumens generated up to 600 lumens.
  • the halogen incandescent lamp according to the invention can be used in vehicle headlights for different functions.
  • the halogen incandescent lamp according to the invention can be used for a static or dynamic cornering light or cornering light or, for example, can also be operated in a dimmed state in a headlight which serves to generate the daytime running light or position light.
  • several of the halogen incandescent lamps according to the invention can be used in a vehicle headlight for generating the high beam or or and the low beam.
  • the halogen incandescent lamp according to the invention can also be used as a light source in a reversing spotlight.
  • the halogen lamp according to the invention is thus due to the inventive dimensioning ⁇ tion of their filament a versatile light source ⁇ for vehicle headlights.
  • the filament of the halogen incandescent lamp according to the invention has a helical body designed as a single winding with a number of turns in the range from 17 to 23, in order to ensure the most homogeneous possible emission of light.
  • the length of the helical body of the filament measured along its winding axis is Halogen incandescent lamp according to the invention in the range of 2.1 millimeters to 3.6 millimeters, and the outer diameter of the filament of the filament of the halogen incandescent lamp according to the invention is preferably in the range of 0.9 millimeters to 1.3 millimeters, the ideal of a point light source for the projection in the headlight get as close as possible.
  • the wire thickness of the filament of the filament of the halogen incandescent lamp according to the invention is preferably in the range of 95 microns to 105 microns.
  • the ohmic resistance of the coil at the operating ⁇ voltage and the desired electrical power consumption of the halogen lamp can be adjusted.
  • a filling gas is advantageously provided in the interior ⁇ space of the lamp vessel of the halogen incandescent lamp according to the invention, in addition to a halogen filling a noble gas or a noble gas mixture from the group of xenon, krypton and argon.
  • the cold filling pressure of the halogen incandescent lamp according to the invention is preferably in the range from 0.7 megapascals to 1.5 megapascals.
  • the halogen incandescent lamp according to the invention preferably has a lamp vessel which has a circular cylindrical section surrounding the filament with an outer diameter in the range from 8 millimeters to 10 millimeters in order to ensure sufficient heating of the lamp vessel for the halogen cycle.
  • Figure 1 is a side view of a halogen incandescent lamp according to the preferred embodiments of the invention in a schematic representation
  • FIG. 2 shows an enlarged view of the filament of the halogen incandescent lamp depicted in FIG
  • the circular cylindrical lamp vessel section 12 be ⁇ sits an outer diameter of 9 millimeters and its wall thickness is 1.1 millimeters.
  • a filling gas mixture with a cold ⁇ filling pressure of about 1.2 megapascals arranged, which includes halogens and krypton.
  • a filament 3 designed as a tungsten filament 3 is arranged in the region of the circular-cylindrical lamp vessel section 12.
  • the winding axis AA of the helix 3 is aligned parallel to the cylinder axis of the circular cylindrical Lampengefäßab ⁇ section 12.
  • the filament 3 is designed as a simple spiral filament. It has a helical body 30 formed as a single coil and two non-edged ends 31, 32. The uncoiled ends 31, 32 are each surrounded by a molybdenum tube 33, 34 or wrapped with a molybdenum foil which serves as a welding aid during welding Ends 31, 32 of the filament 3 with the power supply wires 4, 5 serve.
  • the measured along its winding axis AA length L of the coil body 30 is 3.2 millimeters.
  • the outer diameter D of the helical body 30 and the windings of the winding body 30 is 1.1 millimeters.
  • the helical body has 19 turns, that is, the number of turns W of the filament 3 is 19.
  • the diameter of the tungsten wire, made of the filament 3 is 100 microns.
  • the halogen incandescent lamp has an electrical power consumption of 25.4 watts when operated on a nomi ⁇ nal electrical system voltage of 13.2 volts with this filament and generates a luminous flux of 470 lumens.

Landscapes

  • Non-Portable Lighting Devices Or Systems Thereof (AREA)

Abstract

L'invention concerne une lampe halogène pour phares de véhicule comprenant un filament incandescent spiralé (3) disposé à l'intérieur d'une ampoule de lampe (1) transparente, le filament incandescent (3) étant dimensionné de telle sorte que la lampe halogène, lorsqu'elle fonctionne à une tension de 13,2 V, présente une puissance électrique absorbée supérieure à 22 watt et inférieure ou égale à 27 watt et produise un flux lumineux compris entre 400 lumen et 600 lumen.
EP12701852.1A 2011-02-17 2012-01-20 Lampe halogène pour phare de véhicule et phare de véhicule Ceased EP2649638A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102011004290A DE102011004290A1 (de) 2011-02-17 2011-02-17 Halogenglühlampe für Fahrzeugscheinwerfer und Fahrzeugscheinwerfer
PCT/EP2012/050865 WO2012110277A1 (fr) 2011-02-17 2012-01-20 Lampe halogène pour phare de véhicule et phare de véhicule

Publications (1)

Publication Number Publication Date
EP2649638A1 true EP2649638A1 (fr) 2013-10-16

Family

ID=45558691

Family Applications (1)

Application Number Title Priority Date Filing Date
EP12701852.1A Ceased EP2649638A1 (fr) 2011-02-17 2012-01-20 Lampe halogène pour phare de véhicule et phare de véhicule

Country Status (6)

Country Link
US (1) US8907563B2 (fr)
EP (1) EP2649638A1 (fr)
JP (1) JP2014505987A (fr)
KR (1) KR20140007442A (fr)
DE (1) DE102011004290A1 (fr)
WO (1) WO2012110277A1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2997593B1 (fr) 2013-05-13 2018-09-05 Lumileds Holding B.V. Lampe à incandescence à double filament pour éclairage avant d'un véhicule automobile
CN104197260B (zh) * 2014-08-20 2016-04-27 常熟华泰照明有限公司 氙卤灯结构

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE9321215U1 (de) 1993-12-22 1996-09-12 Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH, 81543 München Halogenglühlampe
DE102005048444A1 (de) 2005-10-07 2007-04-12 Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH Scheinwerferlampe
DE102008056174A1 (de) * 2008-11-06 2010-05-12 Osram Gesellschaft mit beschränkter Haftung Halogenglühlampe für Fahrzeugscheinwerfer und Fahrzeugscheinwerfer
DE102010002647A1 (de) * 2010-03-08 2011-09-08 Osram Gesellschaft mit beschränkter Haftung Halogenglühlampe

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO2012110277A1 *

Also Published As

Publication number Publication date
DE102011004290A1 (de) 2012-08-23
JP2014505987A (ja) 2014-03-06
KR20140007442A (ko) 2014-01-17
US20130320844A1 (en) 2013-12-05
WO2012110277A1 (fr) 2012-08-23
US8907563B2 (en) 2014-12-09

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