EP1196941B1 - Halogenglühlampe - Google Patents

Halogenglühlampe Download PDF

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Publication number
EP1196941B1
EP1196941B1 EP01956283A EP01956283A EP1196941B1 EP 1196941 B1 EP1196941 B1 EP 1196941B1 EP 01956283 A EP01956283 A EP 01956283A EP 01956283 A EP01956283 A EP 01956283A EP 1196941 B1 EP1196941 B1 EP 1196941B1
Authority
EP
European Patent Office
Prior art keywords
filament
halogen
lamp according
single coil
halogen lamp
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.)
Expired - Lifetime
Application number
EP01956283A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP1196941A1 (de
Inventor
Klaus-Peter Knorr
Klaus Wittmann
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 EP1196941A1 publication Critical patent/EP1196941A1/de
Application granted granted Critical
Publication of EP1196941B1 publication Critical patent/EP1196941B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • H01K1/00—Details
    • H01K1/38—Seals for leading-in conductors
    • 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

Definitions

  • the invention relates to a halogen incandescent lamp for motor vehicle headlights according to the preamble of patent claim 1.
  • halogen lamps for headlights of motor vehicles with a vehicle electrical system voltage of 12 volts are available. These halogen incandescent lamps have a power consumption of about 50-100 watts and have at least one filament, the filament is simply coiled and adapted to an operating voltage of about 12 volts.
  • halogen incandescent lamps for headlights of motor vehicles with a vehicle electrical system voltage of 24 volts.
  • These halogen incandescent lamps have a power consumption between 50 watts and 100 and have at least one filament, wherein the filament is coiled twice and is designed for an operating voltage of at least 20 volts.
  • the single-wound ends of the double-spiraled filament are provided with insertion pins. Instead of a plug-in pin, a remainder of the core wire may be left in each simply coiled incandescent end, which was etched out of the light-emitting, double-coiled region of the incandescent filament, but not out of its single coiled ends by means of acid.
  • the Sekundärgewickel this double-spiraled filament has very few turns on. The achievable lighting is inhomogeneous.
  • the publication DE 198 32 773 A1 discloses a two-filament tungsten halogen lamp with an filament helix having an increased wire weight over that which is commonly used.
  • the at least one incandescent filament is designed as a single wound whose dimensions and / or geometry are matched to an operating voltage of at least 20 volts, the length of the single wound coil having a value in the range from 4.0 mm to 6.5 mm.
  • the limitation of the length of the single wrap invention to a range of 4.0 mm to 6.5 mm ensured by the interaction with the reflector of the motor vehicle headlight directional light emission and a well-defined beam of light.
  • the cushiongewickel the halogen incandescent lamp according to the invention has a three to four times higher number of turns and a much smaller distance between the individual turns than the Sekundärgewickel the double-spiraled filament of the usual halogen lamps for headlights of motor vehicles with a nominal voltage of 24 volts.
  • the simple winding of the halogen incandescent lamp according to the invention is equipped with at least 20 turns, which are distributed uniformly over the length of the single winding in order to achieve the most homogeneous possible illumination.
  • the halogen incandescent lamp according to the invention due to the higher operating voltage, as a filament has a single winding, which is made of a thinner and a wire about twice as long as the single winding of the 12V halogen incandescent lamp ,
  • the filament ends of the halogen incandescent lamp according to the invention advantageously provided with support means.
  • a support means are preferably helical helical or made of molybdenum foil or molybdenum tape tubes that enclose the uncoiled ends of the single wrap.
  • the Fingewickel of the halogen incandescent lamp according to the invention has at least 20 turns and an outer diameter between 1.4 mm and 2.0 mm, so that the halogen incandescent lamp according to the invention despite the comparatively long wire, which is used for the production of the filament, has a spatially compact single winding as filament .
  • the diameter of the wire used for Glühwendelher too is advantageously between 0.11 mm and 0.14 mm, on the one hand to adapt the coil resistance to the desired power consumption of the halogen incandescent lamp according to the invention and on the other hand to enable a spatially compact single winding as a filament.
  • the halogen incandescent lamp according to the first embodiment has a substantially cylindrical lamp vessel 1 with a gas-tight closed Quetschfuß 2, are passed through the two power supply wires 3, 4 for the arranged inside the lamp vessel 1 in the axial direction filament 5.
  • the squeezing foot 2 is fixed in the lamp base 6, which is equipped with two contact lugs 7 for supplying power to the incandescent filament 5.
  • Figure 1 shows schematically the structure of this halogen incandescent lamp.
  • This is a halogen incandescent lamp for a motor vehicle headlight with a power consumption of approximately 70 watts, which is intended for operation on a vehicle electrical system nominal voltage of 24 volts.
  • the filament 5 is formed as a single wound having a length of about 5.6 mm ⁇ 0.2 mm, an outer diameter of about 1.7 mm and 26 turns.
  • the abovementioned details relate to the wound area of the incandescent filament 5 responsible for the light emission, without taking into account the uncoiled ends 5a of the incandescent filament 5.
  • the filamentary filament made of tungsten used for producing the single coil 5 has a diameter of 0.13 mm.
  • the effective length of the helical wire that is, the length of the helical wire forming the wound portion of the single wrap 5, is about 124.8 mm.
  • the uncoiled ends 5 a of the incandescent filament 5 are each provided with a coating coil 8 to improve the vibration resistance and to support the incandescent filament 5.
  • the coating coils 8 enclose the respective unwound end 5a with a clamping fit. They preferably extend over most of the respective unstretched end 5a.
  • Figure 2 the structure of the filament 5 according to the first embodiment is shown schematically.
  • the filament 5 ' is formed as a transverse, that is, arranged perpendicular to the lamp axisGoodgewickel having a length of about 5.2 mm ⁇ 0.2 mm, an outer diameter of about 1.9 mm and 23 turns has.
  • the abovementioned details relate to the wound area of the incandescent filament 5 'responsible for the light emission, without taking into account the uncoiled ends 5a' of the incandescent filament 5 '.
  • the helical wire used to make the single wrap 5 ' tungsten has a diameter of 0.13 mm.
  • the effective length of the helical wire is about 124.9 mm.
  • the uncoiled ends 5a 'of the incandescent filament 5' are each provided with a coating coil 8 'to improve the vibration resistance and to support the incandescent filament 5'.
  • the coating coils 8 ' enclose the respective unwound end 5a' with a press fit. They preferably extend over most of the respective unstretched end 5a '.
  • Figure 3 the structure of the filament 5 'according to the second embodiment is shown schematically.
  • Both single coils 5, 5 'described above are adapted to an operating voltage of about 24 volts and a power consumption of about 70 watts, due to their dimensions and geometry.
  • the single helix 5 "according to the third exemplary embodiment illustrated in FIG. 4 differs from the single helixes of the two exemplary embodiments explained above only in that the unconverted ends 5a" are each surrounded by a tube 8 "made of molybdenum ribbon with a clamping fit. each extend over most of the corresponding uncoiled end 5a ". Additionally, the molybdenum tubes 8" facilitate welding of the coil ends to the power supply wires 3, 4, which are also made of molybdenum.
  • the invention is not limited to the embodiments explained in more detail above.
  • the coating coils 8, 8 'or molybdenum tubes 8 are only required if particularly high demands are placed on the shock resistance, but instead of coating coils 8, 8' or molybdenum tubes 8", other support means for the incandescent filament can also be used ,
  • the power supply wires 3, 4 instead of coating coils 8, 8 'or molybdenum tubes 8 ", the power supply wires 3, 4 correspondingly thick and the associated, unconverted ends 5 a, 5 a' of the incandescent filament 5, 5 'may be correspondingly short, so that the power supply wires 3, 4 already ensure a high vibration resistance.

Landscapes

  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
  • Resistance Heating (AREA)
  • Insulated Conductors (AREA)
EP01956283A 2000-07-19 2001-06-22 Halogenglühlampe Expired - Lifetime EP1196941B1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE10035401A DE10035401B4 (de) 2000-07-19 2000-07-19 Halogenglühlampe für Kraftfahrzeugscheinwerfer
DE10035401 2000-07-19
PCT/DE2001/002308 WO2002007188A1 (de) 2000-07-19 2001-06-22 Halogenglühlampe

Publications (2)

Publication Number Publication Date
EP1196941A1 EP1196941A1 (de) 2002-04-17
EP1196941B1 true EP1196941B1 (de) 2007-11-07

Family

ID=7649642

Family Applications (1)

Application Number Title Priority Date Filing Date
EP01956283A Expired - Lifetime EP1196941B1 (de) 2000-07-19 2001-06-22 Halogenglühlampe

Country Status (14)

Country Link
US (1) US20020135301A1 (es)
EP (1) EP1196941B1 (es)
JP (1) JP4989838B2 (es)
KR (1) KR100855401B1 (es)
CN (1) CN1220244C (es)
AR (1) AR029735A1 (es)
AT (1) ATE377840T1 (es)
BR (1) BR0106983A (es)
CA (1) CA2385282C (es)
DE (2) DE10035401B4 (es)
ES (1) ES2292606T3 (es)
HU (1) HU226846B1 (es)
TW (1) TW543078B (es)
WO (1) WO2002007188A1 (es)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102006052950A1 (de) * 2006-11-09 2008-05-15 Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH Halogenglühlampe
DE102006052951A1 (de) * 2006-11-09 2008-05-15 Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH Halogenglühlampe
DE102007008147A1 (de) 2007-02-19 2008-08-21 Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH Halogenglühlampe
DE102007029372A1 (de) * 2007-06-26 2009-01-08 Osram Gesellschaft mit beschränkter Haftung Wendel und Verfahren zur Herstellung einer Wendel
DE102009037577A1 (de) * 2009-08-14 2011-02-17 Osram Gesellschaft mit beschränkter Haftung Halogenglühlampe für Fahrzeugscheinwerfer
DE102012202081A1 (de) 2012-02-13 2013-08-14 Osram Gmbh Glühfaden für elektrische lampen und elektrische lampe sowie herstellungsverfahren für einen glühfaden

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19832773A1 (de) * 1997-07-24 1999-04-15 Osram Sylvania Inc Langlebige Wolframhalogenlampe

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL7704774A (nl) * 1977-05-02 1978-11-06 Philips Nv Elektrische gloeilamp.
EP0232843B1 (en) * 1986-02-06 1993-08-11 GTE Products Corporation Motor vehicle headlight
JP3168588B2 (ja) * 1991-02-07 2001-05-21 東芝ライテック株式会社 白熱電球
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
JPH087846A (ja) * 1994-06-21 1996-01-12 Ushio Inc ハロゲン電球
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
DE19538497C2 (de) * 1995-10-16 2000-03-09 Patent Treuhand Ges Fuer Elektrische Gluehlampen Mbh Verfahren zur Herstellung einer elektrischen Lampe

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19832773A1 (de) * 1997-07-24 1999-04-15 Osram Sylvania Inc Langlebige Wolframhalogenlampe

Also Published As

Publication number Publication date
CA2385282A1 (en) 2002-01-24
US20020135301A1 (en) 2002-09-26
CN1386298A (zh) 2002-12-18
DE10035401B4 (de) 2006-01-26
ES2292606T3 (es) 2008-03-16
HU226846B1 (en) 2009-12-28
KR20020047176A (ko) 2002-06-21
BR0106983A (pt) 2002-05-14
AR029735A1 (es) 2003-07-10
TW543078B (en) 2003-07-21
JP2004504697A (ja) 2004-02-12
CA2385282C (en) 2009-12-29
ATE377840T1 (de) 2007-11-15
KR100855401B1 (ko) 2008-08-29
DE50113226D1 (de) 2007-12-20
JP4989838B2 (ja) 2012-08-01
WO2002007188A1 (de) 2002-01-24
EP1196941A1 (de) 2002-04-17
CN1220244C (zh) 2005-09-21
DE10035401A1 (de) 2002-02-07
HUP0203337A2 (en) 2003-02-28

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