EP2087506A2 - Lampe à incandescence halogène - Google Patents

Lampe à incandescence halogène

Info

Publication number
EP2087506A2
EP2087506A2 EP07822339A EP07822339A EP2087506A2 EP 2087506 A2 EP2087506 A2 EP 2087506A2 EP 07822339 A EP07822339 A EP 07822339A EP 07822339 A EP07822339 A EP 07822339A EP 2087506 A2 EP2087506 A2 EP 2087506A2
Authority
EP
European Patent Office
Prior art keywords
filament
operating voltage
incandescent lamp
halogen incandescent
designed
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
EP07822339A
Other languages
German (de)
English (en)
Other versions
EP2087506B1 (fr
Inventor
Sascha Zelt
Frank Auer
Christian Seichter
Gerhard Behr
Klaus Wittmann
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 EP2087506A2 publication Critical patent/EP2087506A2/fr
Application granted granted Critical
Publication of EP2087506B1 publication Critical patent/EP2087506B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • 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
    • 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 according to the preamble of claim 1.
  • Such a halogen incandescent lamp is disclosed, for example, in EP 1 667 205 A2.
  • This publication describes a halogen incandescent lamp with two filaments enclosed by a lamp vessel and 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.
  • the halogen incandescent lamp according to the invention has two, disposed within a lamp vessel filaments, wherein a first filament for operation with a higher electric power is designed as the second filament, and the second filament, for realizing a daytime running light function, is designed to operate at a standard operating voltage for an electrical power that is smaller than the electrical power of the first filament by a factor of 2.5 to 4, and is constructed so as to be operable to realize a position light function in a dimmed state with an operating voltage lower than the standard operating voltage.
  • the second filament is designed to operate at the standard operating voltage for the daytime running light function, that is, at the vehicle electrical system voltage of nominal 13.2 V or 28 V and electrical power in the range of approximately 17 W to 22 W, respectively is operable for the position light function in a dimmed state, that is, with reduced brightness and an operating voltage less than the standard operating voltage. This eliminates the need for a separate light source for the position light or parking light.
  • the second filament is constructed to operate for the position light function at a voltage in the range of 35 percent to 95 percent of the standard operating voltage. This limits the electrical power of the second filament in this mode of operation to a value in the range of about 12% to 90% of the original value.
  • the second filament is preferably designed as a simply wound filament to ensure a homogeneous distribution of light.
  • Your gradient factor is preferably in the range of greater than or equal to 1.65 and less than or equal to 2.0 in order to achieve a low luminance and to avoid dazzling of oncoming traffic in daytime running mode.
  • the second filament still emits white light in the dimmed state, with reduced operating voltage and reduced electrical power, which meets the requirements of position light.
  • the first filament is preferably formed as a high-beam filament or Fogelichtglühfaden.
  • the interior of the lamp vessel of the halogen incandescent lamp according to the invention is advantageously filled with a filling gas containing a noble gas or a noble gas mixture, preferably one or more of the noble gases xenon, krypton and argon, and a Cold filling pressure (that is, at a temperature of 25 degrees Celsius) in the range of 3 bar to 18 bar up.
  • a filling gas containing a noble gas or a noble gas mixture preferably one or more of the noble gases xenon, krypton and argon
  • a Cold filling pressure that is, at a temperature of 25 degrees Celsius
  • halogen to the filling gas preferably comprises a proportion in the range of 20 ppm to 450 ppm (parts per million), preferably in the form of bromine or or and chlorine, in order to prevent blackening of the lamp vessel.
  • Figure 1 is a side view of a preferred embodiment of the halogen incandescent lamp according to the invention
  • 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 the interior of which two filaments 21, 22 oriented parallel to the lamp vessel axis 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 Glüh mindfulin 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 outlet 211 of the first incandescent filament 21 is welded by a projection welding with a welding lug 41 of the anti-dazzle device 4 and thereby electrically connected to the first current supply wire 51 via the anti-dazzle device 4.
  • 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 Glühwen- del 22 is also connected to the third power supply wire 53 welded.
  • 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 designed as a metal-plastic base, which has both a metallic base portion 31 and a plastic base portion 32.
  • 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.
  • a metallic spring ring with three spring tabs 311 and three key tabs 312.
  • the edge of the mounting hole of the reflector is arranged by clamping the lamp in the headlight clamping between the spring tabs 311 and the key tabs 312.
  • a leaf spring 341 serves for the lateral fixing of the lamp in the mounting opening of the headlight reflector. It acts perpendicular to the longitudinal extent of the lamp.
  • the first filament 21 is a single-filament high-voltage filament with a nominal operating voltage of 13.2 V or 28 V and an electrical power in the range of about 55 W to 80 W formed.
  • the data of the first filament 21 for a nominal operating voltage of 13.2 V are listed in the following Table 1 or 3 for the halogen incandescent lamp according to the first and second embodiment of the invention.
  • the second incandescent filament 22 is configured as a single-filament daylight incandescent filament with a nominal operating voltage of 13.2 V or 28 V and an electrical power in the range of approximately 17 W to 22 W.
  • the second incandescent filament 22 is operated, for example by means of a voltage divider or by means of pulse width modulation, with a voltage which is only approximately 70 percent of the aforementioned operating voltage of 13.2 V or 28 V, by the electrical power of the second filament 22 to a value in the range of about 5 W to 10 W limit.
  • the data of the second filament 22 for a nominal operating voltage of 13.2 V are listed in the following Table 2 or 4 for the halogen incandescent lamp according to the first and second embodiment of the invention.
  • the slope is the sum of the distance between two adjacent turns of the filament and the thickness or diameter of the filament wire.
  • the slope factor denotes the quotient of the pitch and the diameter of the helical wire.
  • the core factor is the quotient of the inner diameter of the helix and the diameter of the helical wire. Table 1: filament data of the high-beam incandescent filament for a nominal operating voltage of 13.2 V according to the lamp according to the first embodiment of the invention: core factor 4.96
  • Table 2 filament data of the daytime running filament for a nominal operating voltage of 13.2 V according to the lamp according to the first embodiment of the invention: core factor 7.09
  • Table 3 filament data of the high-beam incandescent filament for a nominal operating voltage of 13.2 V according to the lamp according to the second embodiment of the invention: core factor 6.0
  • Table 4 filament data of the daytime running filament for a nominal operating voltage of 13.2 V according to the lamp according to the second embodiment of the invention: core factor 7.5

Landscapes

  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
  • Circuit Arrangement For Electric Light Sources In General (AREA)

Abstract

L'invention concerne une lampe à incandescence halogène comprenant deux filaments incandescents (21, 22) montés dans une ampoule (10), un premier filament incandescent (21) étant conçu pour fonctionner avec une puissance électrique supérieure à celle du deuxième filament électrique (22). Pour réaliser une fonction mode feu de circulation diurne, le deuxième filament électrique (22) est conçu, lorsqu'il fonctionne avec une tension de service standard, pour une puissance électrique inférieure d'un facteur 2,5 à 4 à la puissance électrique du premier filament incandescent (21), et est conçu de manière à pouvoir fonctionner avec une tension de service inférieure à la tension de service standard pour la réalisation d'une fonction feu de position en mode atténué.
EP07822339.3A 2006-11-09 2007-11-08 Lampe à incandescence halogène Not-in-force EP2087506B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102006052950A DE102006052950A1 (de) 2006-11-09 2006-11-09 Halogenglühlampe
PCT/EP2007/062035 WO2008055948A2 (fr) 2006-11-09 2007-11-08 Lampe à incandescence halogène

Publications (2)

Publication Number Publication Date
EP2087506A2 true EP2087506A2 (fr) 2009-08-12
EP2087506B1 EP2087506B1 (fr) 2016-01-27

Family

ID=39277546

Family Applications (1)

Application Number Title Priority Date Filing Date
EP07822339.3A Not-in-force EP2087506B1 (fr) 2006-11-09 2007-11-08 Lampe à incandescence halogène

Country Status (6)

Country Link
US (1) US8084928B2 (fr)
EP (1) EP2087506B1 (fr)
DE (1) DE102006052950A1 (fr)
ES (1) ES2564077T3 (fr)
HU (1) HUE028564T2 (fr)
WO (1) WO2008055948A2 (fr)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE202006002888U1 (de) * 2006-02-21 2006-05-04 Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH Lampensockel und Lampe mit einem Lampensockel
DE102009037858A1 (de) 2009-08-07 2011-02-10 Osram Gesellschaft mit beschränkter Haftung Beleuchtungseinrichtung für ein Fahrzeug
DE102009039786A1 (de) 2009-09-02 2011-03-03 Osram Gesellschaft mit beschränkter Haftung Fahrzeugscheinwerferlampe
DE102011007123B4 (de) * 2011-04-11 2022-02-17 Osram Gmbh Halbleiter-Glühlampen-Retrofitlampe
DE202011108002U1 (de) 2011-11-17 2012-03-14 Osram Ag Halogenglühlampe
JP5948529B1 (ja) * 2013-05-07 2016-07-06 コーニンクレッカ フィリップス エヌ ヴェＫｏｎｉｎｋｌｉｊｋｅ Ｐｈｉｌｉｐｓ Ｎ．Ｖ． バッフルを含む自動車のフロント照明ランプ
USD757305S1 (en) * 2015-02-27 2016-05-24 Osram Sylvania Inc. Lamp capsule with coating

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0812004B1 (fr) * 1996-06-04 2003-07-09 Honda Giken Kogyo Kabushiki Kaisha Ampoule de lampe pour véhicule
WO1998049716A1 (fr) * 1997-04-28 1998-11-05 Osram Sylvania Inc. Feux de vehicule anti-eblouissement
US5883468A (en) * 1997-07-24 1999-03-16 Osram Sylvania Inc. Tungsten halogen lamp with specific fill material, fill pressure, and filament coil parameters
JP2000272407A (ja) 1999-03-23 2000-10-03 Sumitomo Wiring Syst Ltd 自動車用ランプ回路
DE10035401B4 (de) 2000-07-19 2006-01-26 Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH Halogenglühlampe für Kraftfahrzeugscheinwerfer
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
DE102005012487A1 (de) 2005-03-16 2006-09-21 Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH Halogenglühlampe
DE102006060419A1 (de) * 2006-12-20 2008-06-26 Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH Zweiwendellampe

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO2008055948A2 *

Also Published As

Publication number Publication date
HUE028564T2 (en) 2016-12-28
US20100060160A1 (en) 2010-03-11
WO2008055948A3 (fr) 2009-01-15
US8084928B2 (en) 2011-12-27
ES2564077T3 (es) 2016-03-17
DE102006052950A1 (de) 2008-05-15
EP2087506B1 (fr) 2016-01-27
WO2008055948A2 (fr) 2008-05-15

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