WO2008055943A2 - Lampe à incandescence halogène - Google Patents

Lampe à incandescence halogène Download PDF

Info

Publication number
WO2008055943A2
WO2008055943A2 PCT/EP2007/062027 EP2007062027W WO2008055943A2 WO 2008055943 A2 WO2008055943 A2 WO 2008055943A2 EP 2007062027 W EP2007062027 W EP 2007062027W WO 2008055943 A2 WO2008055943 A2 WO 2008055943A2
Authority
WO
WIPO (PCT)
Prior art keywords
filament
incandescent lamp
halogen incandescent
lamp according
filaments
Prior art date
Application number
PCT/EP2007/062027
Other languages
German (de)
English (en)
Other versions
WO2008055943A3 (fr
Inventor
Sascha Zelt
Frank Auer
Christian Seichter
Gerhard Behr
Klaus Wittmann
Peter Helbig
Original Assignee
Osram Gesellschaft mit beschränkter Haftung
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 Gesellschaft mit beschränkter Haftung filed Critical Osram Gesellschaft mit beschränkter Haftung
Publication of WO2008055943A2 publication Critical patent/WO2008055943A2/fr
Publication of WO2008055943A3 publication Critical patent/WO2008055943A3/fr

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
    • 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 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 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 in such a way that the second filament generates a smaller luminance during operation than the filament first filament generated. Since the second, designed for a lower electrical power filament, which is provided when using the halogen incandescent lamp according to the invention in a motor vehicle headlight for the production of the daytime running light, generates a lower luminance than the first, for example, to produce the high beam serving filament whose Luminance of a standard high-beam lamp, glare of the oncoming traffic is avoided by the light generated by the second filament.
  • the luminance of the second filament for realizing the daytime running light at the same operating voltage of the filaments is advantageously by a factor of 2 to 3.75 less than the luminance of the first filament, to avoid dazzling oncoming traffic through the daytime running lights.
  • the luminance of the first filament of the halogen incandescent lamp according to the invention is preferably in the range of 2.3-10 7 cd / m 2 to 3.4-10 7 cd / m 2
  • the luminance of the second filament advantageously for the aforementioned reasons in the range from 0.6-10 7 cd / m 2 to 1.7-10 7 cd / m 2 .
  • At least the second filament is formed as a simple coiled filament and has a slope factor (ie, pitch divided by filament diameter) in the range of greater than or equal to 1.65 and less than or equal to 2.0.
  • a simple coiled incandescent filament By means of a simple coiled incandescent filament, a more homogeneous light distribution can be achieved than, for example, by means of a double-coiled incandescent filament.
  • the fact that the gradient factor of the single filament second filament has a comparatively large value in the range from 1.65 to 2.0 makes it possible to keep the luminance of the second filament low in a simple manner since a comparatively large gradient factor results in a comparatively large distance between means the individual turns of the filament.
  • the limits of the aforementioned range for the slope factor of the second filament result from further boundary conditions for the construction of the second filament, such as the desired electrical power of the second filament and the height of the operating voltage.
  • the outer diameter and the length of the Fingewickeis the second filament can be increased, so that the projected by the headlamp reflector coil surface is correspondingly larger.
  • narrow limits are given here by the construction of the reflector.
  • the inventive Embodiment of the second filament in particular achieved by the larger pitch factor of the formed as a single filament filament, a lower luminance, a more homogeneous light distribution and better visibility of the daytime running light function from different angles.
  • a larger gradient factor mean a greater distance between the individual turns of the filament and thus a lower load and tungsten evaporation.
  • both filaments are designed as simply coiled incandescent filaments in order to achieve a homogenous light distribution for the high beam function by means of the first filament.
  • the first filament has a smaller slope factor than the second filament and, accordingly, a higher luminance.
  • the slope factor of the first filament used for the high beam function is less than 1.65 in order to ensure a high luminance for the high beam function.
  • 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 from one or more of the noble gases xenon, krypton and argon, and a cold filling (that is, at a temperature of 25 degrees Celsius) in the range of 3 bar to 18 bar.
  • a filling gas containing a noble gas or a noble gas mixture preferably from one or more of the noble gases xenon, krypton and argon
  • a cold filling that is, at a temperature of 25 degrees Celsius
  • halogen to the fill gas preferably comprises a proportion in the range of 20 ppm to 450 ppm (parts per million), preferably in the form of bromine and / or chlorine, 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, essentially cylindrical lamp vessel 10, in the interior of which two incandescent 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 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 spiral outlet 211 of the first filament 21 by a projection welding with a welding flag 41 of the shield 4 welded and thereby electrically connected via the Abblendkappe 4 with 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 project laterally out of the lamp cap 30 and form the electrical connections of the Halogen bulb.
  • 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 halogen incandescent lamp in the headlight reflector serve 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 formed as a single-filament high-beam incandescent filament having a nominal operating voltage of 13.2 V or 28 V and an electrical power in the range of approximately 55 W to 80 W.
  • 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 luminance of the high-beam filament is about 2.9-10 7 cd / m 2 when operating at the nominal operating voltage.
  • the second filament 22 is formed as a single-filament daytime running filament having a nominal operating voltage of 13.2V and 28V and an electrical power in the range of approximately 17W to 22W.
  • 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 luminance of the daytime running filament when operated at the nominal operating voltage is approximately 0.9-10 7 cd / m 2 .
  • 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 is the quotient of the slope and the diameter of the spiral 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 filament for a nominal operating voltage of 13.2 V according to the lamp according to the first embodiment of the invention:
  • 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:
  • 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)

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 un fonctionnement d'une puissance électrique supérieure à celle du deuxième filament incandescent (22). Les filaments incandescents (21, 22) sont conçus de telle façon que le deuxième filament incandescent (22) en mode de fonctionnement génère une luminance inférieure à celle du premier filament incandescent (21). Le premier filament incandescent sert, de préférence, de filament incandescent pour feu de route et le deuxième filament incandescent à la production d'un feu de circulation diurne.
PCT/EP2007/062027 2006-11-09 2007-11-08 Lampe à incandescence halogène WO2008055943A2 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE200610052951 DE102006052951A1 (de) 2006-11-09 2006-11-09 Halogenglühlampe
DE102006052951.0 2006-11-09

Publications (2)

Publication Number Publication Date
WO2008055943A2 true WO2008055943A2 (fr) 2008-05-15
WO2008055943A3 WO2008055943A3 (fr) 2008-12-31

Family

ID=39277547

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2007/062027 WO2008055943A2 (fr) 2006-11-09 2007-11-08 Lampe à incandescence halogène

Country Status (3)

Country Link
DE (1) DE102006052951A1 (fr)
TW (1) TW200832498A (fr)
WO (1) WO2008055943A2 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2014183996A1 (fr) * 2013-05-13 2014-11-20 Koninklijke Philips N.V. Lampe à incandescence à double filament pour éclairage avant d'un véhicule automobile

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102009037577A1 (de) 2009-08-14 2011-02-17 Osram Gesellschaft mit beschränkter Haftung Halogenglühlampe für Fahrzeugscheinwerfer

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4598342A (en) * 1984-07-09 1986-07-01 Gte Products Corporation Low wattage double filament tungsten-halogen lamp
EP0731489A1 (fr) * 1995-03-09 1996-09-11 STMicroelectronics S.r.l. Lampe à filaments multiples, méthode pour varier l'intensité lumineux et circuit correspondant pour le fonctionnement et la contrÔle
WO2002007188A1 (fr) * 2000-07-19 2002-01-24 Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH Lampe a halogene
DE102004040417A1 (de) * 2004-08-19 2006-02-23 Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH Elektrische Glühlampe für Fahrzeugscheinwerfer
EP1667205A2 (fr) * 2004-11-03 2006-06-07 Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH Lampe de phare de véhicule

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4598342A (en) * 1984-07-09 1986-07-01 Gte Products Corporation Low wattage double filament tungsten-halogen lamp
EP0731489A1 (fr) * 1995-03-09 1996-09-11 STMicroelectronics S.r.l. Lampe à filaments multiples, méthode pour varier l'intensité lumineux et circuit correspondant pour le fonctionnement et la contrÔle
WO2002007188A1 (fr) * 2000-07-19 2002-01-24 Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH Lampe a halogene
DE102004040417A1 (de) * 2004-08-19 2006-02-23 Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH Elektrische Glühlampe für Fahrzeugscheinwerfer
EP1667205A2 (fr) * 2004-11-03 2006-06-07 Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH Lampe de phare de véhicule

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2014183996A1 (fr) * 2013-05-13 2014-11-20 Koninklijke Philips N.V. Lampe à incandescence à double filament pour éclairage avant d'un véhicule automobile
CN105210170A (zh) * 2013-05-13 2015-12-30 皇家飞利浦有限公司 用于汽车车辆前照明的双灯丝白炽灯
JP2016524278A (ja) * 2013-05-13 2016-08-12 コーニンクレッカ フィリップス エヌ ヴェＫｏｎｉｎｋｌｉｊｋｅ Ｐｈｉｌｉｐｓ Ｎ．Ｖ． 自動車の前方照射のためのダブルフィラメント白熱ランプ
US9966246B2 (en) 2013-05-13 2018-05-08 Koninklijke Philips N.V. Double-filament incandescent lamp for automotive vehicle front lighting

Also Published As

Publication number Publication date
DE102006052951A1 (de) 2008-05-15
WO2008055943A3 (fr) 2008-12-31
TW200832498A (en) 2008-08-01

Similar Documents

Publication Publication Date Title
EP2087506B1 (fr) Lampe à incandescence halogène
EP1667205A2 (fr) Lampe de phare de véhicule
EP0910867B1 (fr) Procede de production d'une lampe a incandescence electrique
EP1628326B1 (fr) Lampe à incandescence pour phare de véhicule
DE19544012A1 (de) Elektrische Glühlampe mit Abblendkappe und Verfahren zur Herstellung einer derartigen Lampe sowie Abblendkappe für eine elektrische Glühlampe
WO2008055943A2 (fr) Lampe à incandescence halogène
EP1363315B1 (fr) Lampe à incandescence pour projecteur de véhicule automobile
EP2122664B1 (fr) Lampe à incandescence halogène
WO2007042464A1 (fr) Lampe de projecteur
EP2342736B1 (fr) Ampoule halogène pour clignotants de véhicules automobiles et clignotants pour véhicules automobiles
EP2106615B1 (fr) Cache doté d'un filament
DE102004040417A1 (de) Elektrische Glühlampe für Fahrzeugscheinwerfer
EP1447837A2 (fr) Lampe à incandescence pour phare de véhicule
WO2008074684A2 (fr) Ampoule à deux filaments
EP2649638A1 (fr) Lampe halogène pour phare de véhicule et phare de véhicule
WO2011018427A1 (fr) Ampoule halogène pour phare de véhicule
DE102009054936B4 (de) Halogenglühlampe
EP1465235A2 (fr) Lampe à décharge
DE202011108002U1 (de) Halogenglühlampe
EP1309985A1 (fr) Lampe a incandescence haute tension compacte
DE102007047189A1 (de) Stromzuführungssystem für zumindest zwei Glühwendeln einer Lampe
DE10359152A1 (de) Glühlampe für Fahrzeugscheinwerfer

Legal Events

Date Code Title Description
NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 07822334

Country of ref document: EP

Kind code of ref document: A2