EP1294013A2 - Lampe à incandescence pour projecteur de véhicule automobile - Google Patents

Lampe à incandescence pour projecteur de véhicule automobile Download PDF

Info

Publication number
EP1294013A2
EP1294013A2 EP02018370A EP02018370A EP1294013A2 EP 1294013 A2 EP1294013 A2 EP 1294013A2 EP 02018370 A EP02018370 A EP 02018370A EP 02018370 A EP02018370 A EP 02018370A EP 1294013 A2 EP1294013 A2 EP 1294013A2
Authority
EP
European Patent Office
Prior art keywords
filament
incandescent
power supply
common plane
section
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
EP02018370A
Other languages
German (de)
English (en)
Other versions
EP1294013B1 (fr
EP1294013A3 (fr
Inventor
Gerhard Behr
Peter Helbig
Christian Seichter
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 EP1294013A2 publication Critical patent/EP1294013A2/fr
Publication of EP1294013A3 publication Critical patent/EP1294013A3/fr
Application granted granted Critical
Publication of EP1294013B1 publication Critical patent/EP1294013B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S41/00—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps
    • F21S41/10—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by the light source
    • F21S41/14—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by the light source characterised by the type of light source
    • F21S41/17—Discharge light sources
    • 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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S41/00—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps
    • F21S41/40—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by screens, non-reflecting members, light-shielding members or fixed shades
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01K—ELECTRIC INCANDESCENT LAMPS
    • H01K1/00—Details
    • H01K1/02—Incandescent bodies
    • H01K1/16—Electric connection thereto
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01K—ELECTRIC INCANDESCENT LAMPS
    • H01K1/00—Details
    • H01K1/18—Mountings or supports for the incandescent body
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21W—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO USES OR APPLICATIONS OF LIGHTING DEVICES OR SYSTEMS
    • F21W2102/00—Exterior vehicle lighting devices for illuminating purposes

Definitions

  • the invention relates to an incandescent lamp for a motor vehicle headlight according to the preamble of claim 1.
  • Such an incandescent lamp is, for example, in the European patent application EP 0 791 779.
  • This document describes a motor vehicle headlight with a two-filament halogen bulb, which is an axially symmetrical lamp vessel with a filament axially aligned therein and a transversely aligned one Has incandescent filament and a shading device for the axial filament.
  • this is for mounting and power supply the filament serving frame constructed such that at least one Power supply wire, preferably that for holding the shading device serving power wire, one from the common level of power wires outstanding and past the transversely oriented filament Has section which is shaped such that it is outside the main Light emission direction of the second filament is arranged.
  • the main direction of light emission is perpendicular to the longitudinal axis of the transverse aligned filament extending directions meant.
  • the aforementioned power supply wire on the transversely oriented filament passed by, so that light rays that this filament perpendicular to its longitudinal axis emitted, can not hit the aforementioned power supply wire.
  • this power supply wire has one from the common plane of the power supply wires protruding and aligned to the transversely Incandescent filament passed portion which is shaped or arranged so that it emits rays of light that this filament emits perpendicular to its longitudinal axis, is not hit. If the motor vehicle headlight predominantly only downward light component of the transversely aligned filament then it is sufficient that only the power supply wire carrying the shading device is guided past the transversely oriented incandescent filament in order to to reduce the shadowing effects by the frame significantly and the usable Noticeably increase the proportion of light emitted by the transverse spiral.
  • the motor vehicle headlight predominantly only the light component emitted upwards the transversely oriented incandescent filament, then it is sufficient that only the one with the axially aligned - that is, aligned parallel to the lamp vessel axis - Filament connected power supply wire on the transversely aligned Incandescent filament is guided past to highlight the shadowing effects from the frame to reduce and the usable portion of the emitted by the transverse spiral Noticeably increase light.
  • the shadowing effects can be reduced the most when both of the aforementioned power supply wires on the transverse helix to be led past.
  • the frame structure according to the invention is also characterized by a special simple construction.
  • the three power supply wires are in common Plane perpendicular to the longitudinal axis of the transverse with respect to the lamp vessel axis aligned filament fixed.
  • the transversely oriented incandescent filament advantageously serve the from the common plane projecting portion of the shading device carrying Power supply wire and a protruding from the common level, angled end of the first power supply wire.
  • the ends of the transversely oriented filament therefore do not need to be angled to connect to their power supply wires. This increases the vibration resistance of the lamp or the filament holder.
  • the section protruding from the common plane of the power supply wires of the power supply wire carrying the shading device is advantageous formed essentially trapezoidal, and the end of this section is advantageously arranged obliquely to the lamp vessel axis and with the Shading device welded. This means that only three bending points are required around the power supply wire carrying the shading device on the to guide the transversely aligned filament.
  • the shape of the shading device for the axial helix has also been improved. It points on its side facing the axially aligned filament an elevation on to make the end of this filament easier with the shading device to be able to weld.
  • the shading device has a slightly curved shading nose, which is in the space between extends the two filaments.
  • the width of the shading nose advantageously corresponds the length of the light emitting part of the transverse helix, by one mutual influence of the light emission of the two filaments largely to avoid.
  • the side of the shading device facing away from the axial helix is advantageously with one or more obliquely to the lamp vessel axis extending humps to provide a reliable weld between to ensure the shading device and the power supply wire carrying it.
  • the incandescent lamp according to the invention shown in FIG. 1 is a two-filament halogen lamp for use in a motor vehicle headlight is provided.
  • the light bulb according to the invention has a glass, essentially axially symmetrical lamp vessel 1, which by means of a press seal 1a is sealed gastight.
  • the top of the lamp vessel 1 is with a provided opaque coating 1b.
  • the pinch seal 1a is in the Fixed lamp base 2, which is equipped with three electrical connections 3.
  • Within of the lamp vessel 1 are aligned axially with respect to the lamp vessel axis first filament 4 and a transversely aligned to the lamp vessel axis second filament 5 arranged.
  • the first filament 4 is partially one Shading device 6, which is also called dimming cap 6 below, surround.
  • the lamp is in a horizontal position, that is, with a horizontal one Lamp vessel axis, operated such that the anti-dazzle device 6 below the first Filament 4 is arranged.
  • the frame for holding and making electrical contact between the two filaments 4, 5 consists of the anti-dazzle device 6 and three power supply wires 7, 8 and 9 and a quartz glass beam 10 in which the power supply wires 7 to 9 have melted down.
  • the power supply wires 7 to 9 are through the crimp seal 1a passed and each with an electrical connection 3 of Lamp electrically connected.
  • the three power supply wires 7 to 9 are through the quartz glass beam 10 in a common plane perpendicular to the longitudinal axis the second filament 5 fixed.
  • the first power supply wire 7 has one the common plane of the power supply wires 7 to 9 angled end 7a, which is welded to one end of the second filament 5.
  • the other end of the second filament 5 is welded to the second power supply wire 8, the also serves to hold the anti-dazzle device 6.
  • the welded connection is made, for example using a laser or resistance welding.
  • the ends of the Filaments 4, 5 made of tungsten are each provided with a molybdenum strip encased to weldability with the molybdenum power supplies 7, 8, 9 or to improve the molybdenum cap 6.
  • the second power supply wire 8 has one substantially trapezoidal section 8a on the second filament 5 passed so that the of the second filament 5 perpendicular to it Helix axis did not emit light rays through this power supply wire 8 be hindered.
  • the end 8b of the oblique to the lamp vessel axis Power supply wire 8 is with the lower facing away from the first filament 4 Side of the anti-dazzle device 6 connected by means of a projection weld.
  • the third power supply wire 9 runs in a straight line and essentially parallel to the lamp vessel axis. He is close to the base End of the first filament 4 welded. The other end of the first filament 4 is welded to the upper side of the anti-dazzle device 6 facing it.
  • the top of the anti-dazzle device 6 is provided with an elevation 6b, with which this filament end is connected by a projection weld.
  • Figure 5 shows details of the frame structure according to the second embodiment the invention.
  • This embodiment differs from that above described first embodiment only by the design of the near the base End of the transversely oriented filament connected third Power supply wire.
  • the first embodiment map the invention.
  • the third power supply wire 9 also has a substantially trapezoidal shape designed section 9a, which leads past the second filament 5 is that those emitted by this filament 5 perpendicular to its longitudinal axis Light rays from this power supply wire 9 are not shadowed. In all other details match the second embodiment with the first.
  • the invention is not limited to the exemplary embodiments explained in more detail above.
  • a hard glass beam can also be used, for example become.
  • the frame according to the invention without one to produce such beams.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
  • Vessels And Coating Films For Discharge Lamps (AREA)
  • Containers, Films, And Cooling For Superconductive Devices (AREA)
  • Lighting Device Outwards From Vehicle And Optical Signal (AREA)
EP02018370A 2001-09-14 2002-08-14 Lampe à incandescence pour projecteur de véhicule automobile Expired - Lifetime EP1294013B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10145427 2001-09-14
DE10145427A DE10145427A1 (de) 2001-09-14 2001-09-14 Glühlampe für Kraftfahrzeugscheinwerfer

Publications (3)

Publication Number Publication Date
EP1294013A2 true EP1294013A2 (fr) 2003-03-19
EP1294013A3 EP1294013A3 (fr) 2006-05-03
EP1294013B1 EP1294013B1 (fr) 2008-01-02

Family

ID=7699088

Family Applications (1)

Application Number Title Priority Date Filing Date
EP02018370A Expired - Lifetime EP1294013B1 (fr) 2001-09-14 2002-08-14 Lampe à incandescence pour projecteur de véhicule automobile

Country Status (8)

Country Link
US (1) US6709130B2 (fr)
EP (1) EP1294013B1 (fr)
JP (1) JP2003132855A (fr)
KR (1) KR20030023563A (fr)
AT (1) ATE382950T1 (fr)
DE (2) DE10145427A1 (fr)
ES (1) ES2295269T3 (fr)
HU (1) HUP0202976A3 (fr)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1560258A3 (fr) * 2003-12-12 2008-01-23 Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH Lampe à incandescence pour phare de véhicule
WO2008077768A3 (fr) * 2006-12-21 2008-11-27 Osram Gmbh Ampoule ayant une géométrie d'extrémité de filament améliorée
DE102007048387A1 (de) 2007-10-09 2009-04-16 Osram Gesellschaft mit beschränkter Haftung Lampe, insbesondere Fahrzeuglampe
EP1667203A3 (fr) * 2004-08-24 2009-06-10 Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH Lampe à incandescence électrique

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10215397A1 (de) * 2002-04-08 2003-10-16 Patent Treuhand Ges Fuer Elektrische Gluehlampen Mbh Glühlampe für Kraftfahrzeugscheinwerfer
DE10219729A1 (de) * 2002-05-02 2003-11-13 Patent Treuhand Ges Fuer Elektrische Gluehlampen Mbh Glühlampe für Kraftfahrzeugscheinwerfer
DE10306178A1 (de) * 2003-02-13 2004-08-26 Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH Glühlampe für Fahrzeugscheinwerfer
DE102004004017A1 (de) * 2004-01-22 2005-08-25 Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH Elektrische Glühlampe
DE102004053644A1 (de) * 2004-11-03 2006-05-04 Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH Fahrzeugscheinwerferlampe
US7722210B2 (en) * 2008-07-02 2010-05-25 Osram Sylvania Inc. Automotive lamp and reflector for low beam and advanced forward lighting system
JP6133065B2 (ja) * 2013-01-24 2017-05-24 スタンレー電気株式会社 ヘッドランプ用ハロゲン電球
WO2014180806A1 (fr) * 2013-05-07 2014-11-13 Koninklijke Philips N.V. Lampe pour éclairage avant d'automobile munie de déflecteur
DE202015103408U1 (de) * 2015-06-29 2015-07-09 Koninklijke Philips N.V. Abblendkappe für Zweifaden-Glühlampe
WO2021095861A1 (fr) * 2019-11-15 2021-05-20 日本製鉄株式会社 Noyau de stator, machine électrique rotative et procédé de conception de noyau de stator

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE393499C (de) * 1922-01-26 1924-04-11 Patra Patent Treuhand Projektionsgluehlampe
DE1597920A1 (de) * 1967-09-30 1970-08-27 Bosch Gmbh Robert Kraftfahrzeugscheinwerfer
US3858086A (en) * 1973-10-29 1974-12-31 Gte Sylvania Inc Extended life, double coil incandescent lamp
DE3034595A1 (de) * 1980-09-13 1982-04-29 Philips Patentverwaltung Gmbh, 2000 Hamburg Elektrische gluehlampe mit wenigstens einem waagerechten gluehkoerper
US4480296A (en) * 1981-12-28 1984-10-30 Gte Products Corporation Two-filament lamp for automobile headlight
DE19544012A1 (de) * 1995-11-27 1997-05-28 Patent Treuhand Ges Fuer Elektrische Gluehlampen Mbh Elektrische Glühlampe mit Abblendkappe und Verfahren zur Herstellung einer derartigen Lampe sowie Abblendkappe für eine elektrische Glühlampe
DE19600889A1 (de) * 1996-01-12 1997-07-17 Patent Treuhand Ges Fuer Elektrische Gluehlampen Mbh Elektrische Glühlampe
JPH09237504A (ja) 1996-02-23 1997-09-09 Patent Treuhand Ges Elektr Gluehlamp Mbh 下向き及び上向きライト用自動車前照灯
FR2822113B1 (fr) * 2001-03-14 2003-05-02 Valeo Vision Agencement d'un dispositif d'eclairage dans un vehicule automobile

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1560258A3 (fr) * 2003-12-12 2008-01-23 Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH Lampe à incandescence pour phare de véhicule
EP1667203A3 (fr) * 2004-08-24 2009-06-10 Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH Lampe à incandescence électrique
WO2008077768A3 (fr) * 2006-12-21 2008-11-27 Osram Gmbh Ampoule ayant une géométrie d'extrémité de filament améliorée
DE102007048387A1 (de) 2007-10-09 2009-04-16 Osram Gesellschaft mit beschränkter Haftung Lampe, insbesondere Fahrzeuglampe

Also Published As

Publication number Publication date
HUP0202976A3 (en) 2007-07-30
HU0202976D0 (fr) 2002-10-28
EP1294013B1 (fr) 2008-01-02
US20030053309A1 (en) 2003-03-20
ATE382950T1 (de) 2008-01-15
HUP0202976A2 (en) 2003-05-28
KR20030023563A (ko) 2003-03-19
US6709130B2 (en) 2004-03-23
ES2295269T3 (es) 2008-04-16
DE50211446D1 (de) 2008-02-14
DE10145427A1 (de) 2003-04-03
JP2003132855A (ja) 2003-05-09
EP1294013A3 (fr) 2006-05-03

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