EP2510537A1 - Lampe à incandescence halogène pour phare de véhicule - Google Patents

Lampe à incandescence halogène pour phare de véhicule

Info

Publication number
EP2510537A1
EP2510537A1 EP11706520A EP11706520A EP2510537A1 EP 2510537 A1 EP2510537 A1 EP 2510537A1 EP 11706520 A EP11706520 A EP 11706520A EP 11706520 A EP11706520 A EP 11706520A EP 2510537 A1 EP2510537 A1 EP 2510537A1
Authority
EP
European Patent Office
Prior art keywords
lamp
halogen incandescent
incandescent lamp
holder
vessel
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
EP11706520A
Other languages
German (de)
English (en)
Other versions
EP2510537B1 (fr
Inventor
Peter Helbig
Gerhard Behr
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
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 EP2510537A1 publication Critical patent/EP2510537A1/fr
Application granted granted Critical
Publication of EP2510537B1 publication Critical patent/EP2510537B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01K—ELECTRIC INCANDESCENT LAMPS
    • H01K7/00—Lamps for purposes other than general lighting
    • 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 according to the preamble of patent claim 1.
  • Such a halogen incandescent lamp is disclosed, for example, in WO 96/05610 Al.
  • This publication describes a halogen incandescent lamp for vehicle headlights with a lamp base which defines a reference plane to the direction of the halogen incandescent lamp in the vehicle headlight and which comprises a cylindrical holder part in which a lamp vessel is fixed.
  • the lamp vessel of halogen-incandescent lamp has a rotationally symmetrical vessel section, of the filaments and to an anti-dazzle ⁇ closes and the PE at one end by a Lampengefäßkup- and is closed at the other end by a lamp vessel seal.
  • the lamp vessel seal is fixed in the holder part and out of it protrude power supply lines for the filaments.
  • the standard ECE Rule 37 prescribes a maximum lamp outline for halogen lamps of the categories H7, H8 and H16.
  • the extension LI of the lamp in the direction of longitudinal extent from the reference plane of the lamp cap oriented perpendicular thereto to the tip of the lamp vessel may not exceed the value of 44.0 mm. That is, the condition LI ⁇ 44.0 mm must be satisfied.
  • Au ⁇ ßerdem must in accordance with ECE Regulation 37 lamps of categories H7, a metal-free Zo ne ⁇ be guaranteed H8 and H16 in the tungsten-halogen to interference from stray light and to prevent mirror images in the vehicle headlight.
  • These metal-free zone is schematically defi ned ⁇ in Figure 4 by means of the straight line G, and the winding axis A of the filament.
  • the straight line G intersects the axis A of the incandescent filament 3.0 mm below the first turn of the incandescent filament 3 at an angle of 40 degrees or 140 degrees.
  • the angle ⁇ between the straight line G and perpendicular to the filament axis A extending horizontal F ( Figure 4) is thus 50 degrees.
  • the area within the lamp vessel 1 which is located in the selected in Figure 4 orientation of the lamp above the line G and right of the filament axis A, according to the standard ECE rule 37 for halogen lamps of categories H7, H8 and H16 except incandescent turns no Be arranged metal parts.
  • ECE Rule 37 dictates that the distance E between the filament and the reference plane R defined by the lamp cap be in the range of 25.0 mm ⁇ 0.1 mm.
  • the value for the height B of the lamp cap above the reference plane R is in the range of 9 mm to 11 mm.
  • the halogen incandescent lamp according to the invention has a Lam ⁇ pensockel which defines a reference plane for the alignment of the halogen incandescent lamp in the vehicle headlight and includes a holder portion having a substantially rotationssymmet ⁇ step outer contour for mounting a light-transmitting lamp vessel, the holder part comprises a first, a component of the Has lamp base associated holder portion portion and a second holder portion portion from which protrudes the light-transmitting lamp vessel forth ⁇ .
  • the latter means that the height of the lamp cap portion, which lies between the reference plane and the portion of the lamp vessel protruding from the lamp cap, is in the range of 11.5 mm to 16.6 mm.
  • the halogen incandescent lamp according to the invention can be equipped with a shortened compared to the prior art lamp vessel and the specified by the standard ECE Regulation 37 distance of at least one filament to the reference plane of 25 mm ⁇ 0.1 mm are ge ⁇ maintains addition. Due to the shortened lamp vessel, which is preferably fixed with its lamp vessel seal in the holder part, the vibration resistance of the lamp vessel holder is increased. In addition, the halogen incandescent lamp according to the invention can thereby shorten the current supply. own ments for the at least one filament. That is, extending within the lamp vessel Ab ⁇ sections of the power supply lines, which are connected to the at least ei ⁇ nen filament, may also be formed shorter than halogen lamps according to the prior art.
  • halogen lamps that run inside the lamp vessel ⁇ the sections of the current leads for the filament by approximately 30% to 40% shorter than with halogen lamps ACCORDING to the prior art.
  • the halogen incandescent lamps according to the invention additionally have a filament holder with increased vibration resistance.
  • the smaller outer diameter of the second holder section of the holder part for the lamp vessel ensures that the halogen incandescent lamps according to the invention have the metal-free zone described above according to ECE rule 37.
  • the smaller outer diameter of the second holder portion can be realized in different ways to afford the aforementioned metal-free zone ⁇ .
  • the first and the second holder portion are each cylindrical, wherein the second holder portion, from which protrudes the lamp vessel, has a smaller outer diameter than the first holder portion portion which is connected to a component of Lam ⁇ pensockels , That is, the holder part be ⁇ sitting along its axis of rotation in the direction of the side from which protrudes the lamp vessel, gradually reduced outside diameter.
  • the first holder section can also be configured as a truncated cone and the second holder section can be cylindrical.
  • the first and the second holder portion can be formed cone ⁇ stump-like.
  • the holder part is formed in al ⁇ len variants of the halogen incandescent lamp according to the invention such that its outer diameter along the axis of rotation of the holder part in the direction of the side from which the lamp vessel protrudes, is reduced stepwise or in the manner of a truncated cone to to ensure the metal-free zones according to ECE rule 37.
  • the height of the lamp cap of the halogen incandescent lamp according to the invention is preferably in the range from 12 mm to 16.6 mm and particularly preferably in the range from 13 mm to 16 mm above the reference plane of the lamp cap. With a greater height of the lamp cap of more than 16.6 mm above the reference plane, even with a conical holder part, the condition of the metal-free zone would no longer be possible and at a lower height of the lamp cap than 11.5 mm above the reference plane, no appreciable improvement in the vibration resistance of the halogen incandescent lamp could be achieved.
  • the height of the second holder portion is preferably ⁇ in the range of 3 mm to 6 mm, in the simplest possible way to achieve an increase in the height of the lamp cap above the reference plane, while the other components of the lamp cap of the invention Halogengengenlampe unchanged from the lamp base of the Halogen ⁇ incandescent lamp according to the prior art to be able to take over.
  • the at least one filament of the halogen lamp according to the invention is for production technical reasons preference, from a cylindrical lamp vessel section vice ⁇ ben, the processing at one end by means of a Lampengefäßabdich-, are led out of the supply leads for the at least one filament, and at the other end by means of a lamp vessel dome is closed.
  • the length of the cylindrical lamp vessel section is preferably less than or equal to 18 mm, in order to ensure a high vibration ⁇ strength of the lamp by a shortest possible lamp vessel and on the other hand to allow a correspondingly small lamp vessel volume, so that only a small amount of noble gas, such as example ⁇ as xenon or krypton, is required for filling the lamp vessel.
  • the outer diameter of the cylindrical Lampengefäßab- section of the halogen incandescent lamp according to the invention is preferably in the range of 9 mm to 10 mm.
  • Halo ⁇ genglühlampe can also be adjusted.
  • the halogen incandescent lamps according to the invention require a smaller amount of noble gas, such as, for example, xenon or krypton, so that this also results in cost savings.
  • the lamp vessel of the halogen incandescent lamp according to the invention is preferably made of tempered glass, for example of alkali-free alkaline earth aluminosilicate glass.
  • tempered glass for example of alkali-free alkaline earth aluminosilicate glass.
  • the distance of the filament to the reference plane in the range of 25.0 mm ⁇ 0.1 mm to meet the requirements of the standard ECE rule 37 for these lamp categories.
  • Figure 1 is a side view of a halogen incandescent lamp according to a preferred embodiment of the invention in a schematic and partially sectional view
  • Figure 2 is a side view of the lamp vessel of halogen incandescent lamp shown in Fi gur ⁇ 1 without LAM pensockel
  • FIG. 3 shows a representation of the lamp socket of FIG
  • Figure 1 shown halogen bulb belonging holder part according to the first embodiment ⁇ example of the invention
  • Figure 4 shows a portion of the halogen incandescent lamp shown in Figure 1
  • FIG 5 is a side view of the holder portion of the lamp socket ⁇ according to the second embodiment of the invention
  • Figure 1 is shown schematically the structure of a halogen incandescent lamp according to the preferred embodiments of the invention.
  • a halogen incandescent lamp is, for example, a halogen incandescent lamp of Kate ⁇ gory H8 or H16, the launchers as a light source in Vietnameseschein- is used.
  • halogen incandescent lamp has a tempered glass, wherein ⁇ game as alkali-free Erdalakali alumino silicate glass, existing translucent lamp vessel 1, which is fixed in the metal base part 21 of a lamp cap 2.
  • the subsequent to the metal base part 21 Art ⁇ plastic base part 22 of the lamp base 2 is provided with the elec- step terminals 6 of the halogen incandescent lamp.
  • the gas-tight sealed lamp vessel 1 has a starting ⁇ sealed end 11 which is fixed in a holder part 214 of the Me ⁇ tallsockelteils 21, and a hollow, circular ⁇ cylindrical central lamp vessel portion 12 and ova ne lamp vessel dome 13 ge to the sealed end 11 ⁇ lying opposite and provided with an opaque coating.
  • the circular cylindrical Lampengefäßab ⁇ section 12 has an outer diameter of 9.5 mm, a wall thickness of 0.9 mm and an inner diameter of 1.1 mm.
  • a filling gas mixture comprising halogens and noble gas, such as krypton or xenon.
  • the measured at 22 degrees Celsius charging gas is in the rich ⁇ Be of 1.5 to 1.8 megapascals.
  • ⁇ fäßes 1 Within the Lampenge ⁇ fäßes 1 is located in the region of the circular-cylindrical lamp vessel middle portion 12 designed as a tungsten coil filament winding 3.
  • the axis A of the coil 3 is displaced parallel to the cylinder axis of the lamp vessel nikzylind ⁇ step portion 12.
  • the two ends 31, 32 of the helix 3 are each welded to a power supply wire 4, 5 made of molybdenum.
  • the two power supply wires 4, 5 are made of the sealed En- de 11 of the lamp vessel 1 led out and connected to one of the two electrical connections 6 of the halogen incandescent lamp.
  • the circular cylindrical in the LAM 12 pengefäßabrough protruding portion of the current supply guide wire 4 extends up to a height of about 10.5 mm from the sealed end 11 of the Lampenge ⁇ fäßes and is thus 29% shorter than halogen lamps according to the prior Technology.
  • the projecting into the circular cylindrical lamp vessel portion 12 portion of the other power supply wire 5 extends to a height of about 5.2 mm above the sealed end 11 of the lamp vessel and is thus 37% shorter than halo ⁇ genglühlampen according to the prior art.
  • the two electrical connections 6 are designed as metallic contact lugs whose first end is welded to the power supply wire 4 or 5 and the second end of the plug-like trained art ⁇ base plate part 22 for connecting the supply voltage of the halogen incandescent lamp is accessible.
  • the concealment SEN of power supply wires 4, 5 and tabs 6 by means of laser via openings in the first Me ⁇ tallhülse 211 as AI is described for example in WO 2007/096330.
  • the sealed end 11 of the lamp vessel 1 is designed as a pinch seal.
  • the surface of the sealed end 11 has meh ⁇ rere webs or nubs 110 ( Figure 2), which cooperate with metal ⁇ metallic tabs of the holder part 214 for fixing the lamp vessel 1 in the lamp cap 2.
  • the lamp cap 2 consists of a molded plastic injection molded part as plastic part 22, in the electrical connections 6 of the halogen incandescent lamp are embedded, and a metal base part 21, which is composed of a plurality of metallic components 211, 212, 213, 214.
  • the plastic base part 22 has a surface 220 from which protrudes a first, hollow cylindrical metal sleeve 211 ⁇ .
  • This first hollow-cylindrical metal sleeve 211 is connected to the plastic base part 22 by means of injection molding technology or high-frequency melting technology and forms a component of the metal base part 21.
  • the surface area of the first hollow-cylindrical metal sleeve 211 has an opening through which a pressure spring 215 protrudes in the radial direction Direction of the first metal sleeve 211 has a spring action.
  • a sealing ring 23 made of silicone, which is arranged coaxially with the first, hollow cylindrical metal sleeve 211.
  • the sealing ring 23 is slightly conically shaped, that is, its inner diameter and its outer diameter increase from its resting on the surface 220 underside in the direction of its reference tabs 213 a facing upper side. As a result, the sealing ring 23 is fixed with a clamping fit in a groove formed by the Kunststoffso ⁇ ckelteil 22 groove.
  • the metal base portion 21 also has a second hollow cylindrical metal ⁇ sleeve 212 which has at its, the first metal sleeve 211 supplied ⁇ facing lower edge an annular collar 213 having three reference lugs 213a.
  • the annular collar 213 is welded to the first metal sleeve 211, so that the cylinder axes of the two metal sleeves 211, 212 are arranged not offset coaxially or in parallel.
  • the three reference tabs 213a project from the lateral surface of the second hollow-cylindrical metal sleeve 212, each extending in the direction of a diameter of the second metal sleeve 212 and are arranged equidistantly along the circumference of the annular collar 213.
  • the ⁇ the like tung ring 23 facing the bottom three Referenzla ⁇ rule 213 defines a substantially perpendicular to the cylinder axis of the metal shell 211 and the Lampengefäßab- section 12 oriented reference plane R for alignment of the halogen incandescent lamp in the vehicle headlight. It corresponds to the reference level cited in standard ECE 324, rule 37.
  • the metal base part 21 also includes the already mentioned above, conical metallic holder part 214, which serves to support the sealed end 11 of the lamp vessel 1.
  • the height B of the Lampenso ⁇ ckels 2 to the reference plane R is approximately 13.6 mm.
  • the holder part 214 ( Figure 3) is also formed as Metallhuck ⁇ se and has a hollow cylindrical first portion 2141 and an adjoining conical, in particular truncated cone-shaped hollow second portion 2142.
  • the outer diameter of the hollow cylindrical first holder portion 2141 is slightly smaller than the inner diameter of second metal sleeve 212.
  • the hollow cylindrical first portion 2141 of the holder member 214 is inserted 212 into the second hohlzylindri ⁇ specific metal sleeve and welded with this ⁇ ver.
  • the truncated second Garrteilab ⁇ section 2142 has, at its side facing the lamp vessel 1 conces- facing top 2140 a reducedtress barnmes- which is smaller than the outer diameter of the hollow cylindrical first portion 2141 of the holder part 214.
  • the outer diameter of the holder part 214 is in the Be ⁇ rich of the hollow cylindrical first holder portion 2141 15 mm. In the region of the frustoconical second holder section 2142, the outer diameter of the holder part 214 on the upper side facing the lamp vessel 2140 is only 12 mm.
  • the height of the second holder part conical portion 2142 formed from ⁇ is 3.5 mm and the height of the hollow cylindrical first holder part portion 2141 is 6 mm.
  • the upper side 2140 of the holder part 214 has a through ⁇ break 2143 for receiving the sealed end 11 of the lamp vessel 1 and eight spring tabs 2144, which rest with a press fit on the sealed end 11 of the lamp vessel 1.
  • the spring tabs 2144 thereby act with the webs or knobs 110 on the surface of bring Together ⁇ th end 11 of the lamp vessel 1 together, which serve as a stop or guide.
  • Respectively four spring tabs 2144 abut on the two opposite sides of the sealed end 11 of the lamp vessel 1, so that the sealed end 11 is fixed with a press fit between the Fe ⁇ derlaschen 2144.
  • a detailed descrip ⁇ exercise of this clamping seat is disclosed for example in WO 96/05610 Al.
  • the holder member 214 '( Figure 5) is also formed as metal ⁇ sleeve and has a hollow cylindrical first portion 2141' and an adjoining second hollow cylindrical portion 2142 '.
  • the outer diameter of the hollow cylindrical first holder portion 2141 ' is slightly smaller than the inner ⁇ diameter of the second metal sleeve 212.
  • the hollow cylindrical first portion 2141' of the holder part 214 ' is inserted into the second hollow cylindrical metal sleeve 212 and welded thereto.
  • the hollow cylindrical second holder part portion 2142 ' has a reduced Au ⁇ ] micr which is smaller than the outer diameter of the hollow cylindrical first portion 2141 'of the holder part 214' is.
  • the outer diameter of the holder part 214 ' is 15 mm in the area of the hollow cylindrical first holder part 2141'. In the area of the hollow-cylindrical second holder portion 2142 ', the outer diameter of the holder part 214' is only 12 mm.
  • the height of the second holder portion 2142 ' is 3.5 mm, and the height of the hollow cylindrical first holder portion 2141' is 6 mm.
  • the upper side 2140 'and the spring tabs of the holder part 214' according to the second embodiment of the invention are designed in the same way as the upper part 2140 and the spring tabs 2144 of the holder part 214 according to the first embodiment of the invention.
  • the invention is not limited to the embodiments described in detail above.
  • the invention can also be applied to halogen incandescent lamps of other categories of ECE Rule 37.

Landscapes

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

Abstract

L'invention concerne une lampe à incandescence halogène pour phare de véhicule, comprenant un culot de lampe (2) qui définit un plan de référence pour l'orientation de la lampe à incandescence halogène dans le phare du véhicule, et qui comprend un élément support (214) présentant un profil extérieur, sensiblement symétrique en rotation, pour le support d'une ampoule de lampe transparente (1), l'élément support (214) présentant une première section d'élément support (2141) reliée avec un composant (212) du culot de lampe (2), ainsi qu'une seconde section d'élément support (2142) à partir de laquelle l'ampoule transparente (1) s'élève en saillie. L'invention est caractérisée en ce que la seconde section d'élément support (2142) présente un plus petit diamètre extérieur que la première section d'élément support (2141), et en ce que la hauteur du culot (2) au-dessus du plan de référence est comprise entre 11,5 mm et 16,6 mm.
EP11706520.1A 2010-03-08 2011-02-23 Lampe à incandescence halogène pour phare de véhicule Not-in-force EP2510537B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102010002650A DE102010002650B4 (de) 2010-03-08 2010-03-08 Halogenglühlampe für Fahrzeugscheinwerfer
PCT/EP2011/052668 WO2011110425A1 (fr) 2010-03-08 2011-02-23 Lampe à incandescence halogène pour phare de véhicule

Publications (2)

Publication Number Publication Date
EP2510537A1 true EP2510537A1 (fr) 2012-10-17
EP2510537B1 EP2510537B1 (fr) 2013-10-30

Family

ID=44060871

Family Applications (1)

Application Number Title Priority Date Filing Date
EP11706520.1A Not-in-force EP2510537B1 (fr) 2010-03-08 2011-02-23 Lampe à incandescence halogène pour phare de véhicule

Country Status (7)

Country Link
US (1) US8796924B2 (fr)
EP (1) EP2510537B1 (fr)
JP (1) JP5599477B2 (fr)
CN (1) CN102792418B (fr)
DE (1) DE102010002650B4 (fr)
ES (1) ES2441383T3 (fr)
WO (1) WO2011110425A1 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102592959B (zh) * 2012-03-09 2014-02-26 文德彪 装拆便捷的节能卤素灯泡
CN107481916A (zh) * 2017-08-02 2017-12-15 常熟林芝电子技术有限公司 汽车用的卤素灯
CN107393806A (zh) * 2017-08-02 2017-11-24 常熟林芝电子技术有限公司 车用卤素灯

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JPS58147154U (ja) * 1982-03-29 1983-10-03 松下電子工業株式会社 車両用白熱電球
US4769574A (en) * 1986-08-04 1988-09-06 Koito Seisakusho Co., Ltd. Incandescent lamp with a metal coupling to a plastic lamp base for automotive headlamp and like lighting applications
EP0384240B1 (fr) * 1989-02-24 1994-04-20 Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH Lampe électrique à fixation du culot sans adhésif
DE8902247U1 (de) * 1989-02-24 1989-04-06 Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH, 81543 München Kittlos gesockelte elektrische Lampe
DE8907108U1 (de) * 1989-06-09 1989-08-10 Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH, 81543 München Kittlos gesockelte elektrische Lampe
DE9017224U1 (de) 1990-12-20 1991-03-07 Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH, 8000 München Kittlos gesockelte elektrische Lampe
DE4428357A1 (de) 1994-08-10 1996-02-15 Patent Treuhand Ges Fuer Elektrische Gluehlampen Mbh Kittlos gesockelte Halogenglühlampe
BR9607821A (pt) 1996-01-11 1998-07-07 Patent Treuhand Ges Fuer Elektrische Gluehlampen Mbh Lâmpada elétrica com soquete e sem argamassa
DE10148115A1 (de) * 2001-09-28 2003-04-17 Patent Treuhand Ges Fuer Elektrische Gluehlampen Mbh Scheinwerferlampe
DE10200831A1 (de) 2002-01-02 2003-07-17 Philips Intellectual Property Lampe und Scheinwerfer zur einfachen Montage
DE102004041113A1 (de) 2004-08-24 2006-03-02 Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH Elektrische Glühlampe
DE202006002886U1 (de) * 2006-02-21 2006-05-04 Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH Lampe

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Also Published As

Publication number Publication date
US20140184060A1 (en) 2014-07-03
JP5599477B2 (ja) 2014-10-01
WO2011110425A1 (fr) 2011-09-15
US8796924B2 (en) 2014-08-05
CN102792418A (zh) 2012-11-21
JP2013521623A (ja) 2013-06-10
DE102010002650A1 (de) 2011-09-08
EP2510537B1 (fr) 2013-10-30
ES2441383T3 (es) 2014-02-04
DE102010002650B4 (de) 2012-11-22
CN102792418B (zh) 2015-10-07

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