EP1932169B1 - Lampe de phare du type H1 - Google Patents

Lampe de phare du type H1 Download PDF

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Publication number
EP1932169B1
EP1932169B1 EP06807018A EP06807018A EP1932169B1 EP 1932169 B1 EP1932169 B1 EP 1932169B1 EP 06807018 A EP06807018 A EP 06807018A EP 06807018 A EP06807018 A EP 06807018A EP 1932169 B1 EP1932169 B1 EP 1932169B1
Authority
EP
European Patent Office
Prior art keywords
lamp
luminous flux
headlight
value
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.)
Not-in-force
Application number
EP06807018A
Other languages
German (de)
English (en)
Other versions
EP1932169A1 (fr
Inventor
Klaus Knorr
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 EP1932169A1 publication Critical patent/EP1932169A1/fr
Application granted granted Critical
Publication of EP1932169B1 publication Critical patent/EP1932169B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01K—ELECTRIC INCANDESCENT LAMPS
    • H01K1/00—Details
    • H01K1/28—Envelopes; Vessels
    • H01K1/32—Envelopes; Vessels provided with coatings on the walls; Vessels or coatings thereon characterised by the material thereof
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01K—ELECTRIC INCANDESCENT LAMPS
    • H01K7/00—Lamps for purposes other than general lighting
    • H01K7/02—Lamps for purposes other than general lighting for producing a narrow beam of light; for approximating a point-like source of light, e.g. for searchlight, for cinematographic projector
    • 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 headlamp, in particular a halogen incandescent lamp for a vehicle headlamp, according to the preamble of patent claim 1.
  • Such a headlamp is, for example, in the EP 0 461 508 A2 disclosed.
  • This document describes a halogen incandescent lamp for a motor vehicle headlight, which has a glass lamp vessel with an incandescent filament arranged therein.
  • the lamp vessel is fixed in a metal base, which is equipped with the electrical connections of the lamp.
  • This headlight bulb is a so-called H1 bulb.
  • the WO 95/05610 A1 describes a headlamp type H4 lamp with two incandescent filament, which are enclosed by a glass lamp vessel, which is fixed in a metal base.
  • the dome of the lamp vessel facing away from the metal base is provided with a black, opaque coating to prevent glare and stray light from the dome.
  • the DE 100 40 887 A1 discloses a halogen incandescent lamp for motor vehicles with an elongate glass bulb, on the surface of which below its tip an annular optical filter is arranged.
  • the headlight lamp according to the invention has an incandescent filament enclosed by a lamp vessel which is constructed in such a way that it generates a luminous flux during lamp operation whose value is greater than a predefined permissible maximum value for the luminous flux of the lamp.
  • the lamp vessel has an opaque region which, during lamp operation, reduces the luminous flux emanating from the headlamp to a value less than or equal to the predefined permissible maximum value for the luminous flux of the lamp.
  • the luminance is significantly increased compared to the conventional headlamps in the headlight lamps of the type H1 invention.
  • FIG. 1 For example, corresponding comparative values are shown by way of example of headlight lamps of the type H1 for a conventional H1 lamp 1 and a H1 lamp 2 according to the invention for illustrative purposes.
  • the H1 lamp 2 according to the invention generates a luminous flux of 1715 lm at the same supply voltage.
  • the standard mean value of the luminous flux is 1550 lm for H1 lamps according to the prior art.
  • the incandescent filament is designed so that it generates a luminous flux whose value is significantly greater than the permissible maximum value for the luminous flux of H1 lamps of 1782.5 lm given in accordance with standard ECE Rule 37.
  • the filament is designed so that it generates a luminous flux of more than 2000 lm, by means of the aforementioned opaque lamp vessel area to a value less than or equal to the maximum permissible value of the luminous flux for H1 lamps of 1782.5 lm, according to the example in FIG. 1 to a value of 1715 lm, is reduced. That is, the H1 lamp 2 of the present invention generates a luminous flux 16% higher than the conventional H1 lamp 1.
  • the FIG. 2 shows a comparison of their luminance for these headlamps.
  • the conventional H1 lamp 1 has a luminance of 2.3 ⁇ 10 7 cd / m 2 and the H1 lamp 2 according to the invention has a luminance of 3.7 ⁇ 10 7 cd / m 2 . Accordingly, the luminance of the H1 lamp 2 according to the invention is 61 percent higher than that of the conventional H1 lamp 1. Because of its higher luminance, the headlamp according to the invention is superior to a conventional headlamp, both in its use in a low beam headlamp and in a high beam headlamp, because it provides in the important distance points or range values in front of the headlight for a higher illuminance.
  • FIG. 3 shows as an example a comparison of the illuminance in the important distance points of a dipped beam headlamp for legal traffic according to the regulation ECE / 324 Regulation no. 112 when using a conventional H1 lamp and a H1 lamp according to the invention as a light source in the low beam headlight of a motor vehicle.
  • the FIG. 4 shows the same comparison when using the same lamps as the light source in the low beam headlight of another motor vehicle. From the comparison values of Figures 3 and 4 It can be seen that the headlamp 2 according to the invention in the low beam headlamps of both types of vehicle compared to the conventional headlamp 1 a significant increase in illuminance in the important distance points 75R, 50R, 50V, 25L, 25R and zone IV ECE / 324 Regulation no.
  • FIG. 5 shows a comparison of the illuminance in the optical axis H / V and the maximum illuminance when using a conventional H1 lamp 1 and a H1 lamp 2 according to the invention in the high beam headlight of a motor vehicle.
  • FIG. 6 shows the same comparison for the same lamps in the high beam headlamp of another motor vehicle. From the comparison values in the Figures 5 and 6 It can be seen that the H1 lamp 2 according to the invention compared to the conventional H1 lamp 1 in the high beam headlamps of both motor vehicles allows a significant increase in illuminance both in the optical axis H / V and in the maximum illuminance.
  • the opaque region of the lamp vessel is arranged on the end remote from the lamp cap end of the lamp vessel, which is formed as a dome.
  • the opaque region of the lamp vessel extends not only over the top of the lamp vessel, but in addition also over a part of an axisymmetric portion of the lamp vessel adjacent to the dome.
  • the opaque region of the lamp vessel is formed according to the invention as an opaque coating on the surface of this lamp vessel area, since this coating can be produced with comparatively simple means.
  • carbonyl iron known from topcoating on H4 and H7 lamps can be used for this coating.
  • the distance of the region of the lamp vessel provided with the opaque coating from a reference plane of the lamp cap, with respect to which the position of the at least one filament is adjusted is 31.50 millimeters ⁇ 0.30 millimeters.
  • This headlight bulb is a H1 type halogen bulb with a rated voltage of 12 volts and an electrical power input of 55 watts.
  • This headlamp has a glass lamp vessel 10 having a sealed end 101 fixed in a metallic base shell of the lamp base 12.
  • the lamp base 12 is equipped with a base flange 13, with respect to which the spatial position of the filament 10 enclosed by the lamp vessel 10 adjusted is.
  • the base flanges plane defines a reference plane for the adjustment of the filament 14.
  • the lamp vessel 10 has a tip 103 opposite its sealed end 101.
  • the portion 102 of the lamp vessel 10 between the sealed end 101 and the tip 13, which surrounds the filament 14, is formed axially symmetrical, in particular circular-cylindrical.
  • the dome 103 and a part 104 of the adjoining circular-cylindrical lamp vessel section 102 are provided on their outer surface with an opaque coating 105 of, for example, carbonyl iron.
  • the distance of the coating 105 to the base flange 13 of the lamp cap 12 is 31.50 mm ⁇ 0.30 mm.
  • the filament 14 is simply turned, has 15 walls, a core diameter of 652.3 microns, a core factor of 3.922, a pitch of 288.9 microns, a slope factor of 1.737, a cold resistance of 102.29 milliohms and an effective wire length of 39 , 84 mm.
  • the effective wire length refers to the length of the wire of the coiled portion of the filament 14.
  • the filament 14 has a reduced by about 17.4 percent cold resistance.
  • the filament 14 generates during operation of the lamp with a supply voltage of 13.2 V, a luminous flux of 2012 lm, which is reduced by means of the coating 105 to a value of 1715 lm.

Landscapes

  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
  • Lighting Device Outwards From Vehicle And Optical Signal (AREA)

Claims (2)

  1. Lampe de phare du type H1, comprenant un filament boudiné (14) qui est entouré par un récipient de lampe (10), le récipient de lampe (10) présentant une extrémité (101) étanchéifiée fixée dans un socle de lampe (12) et un dôme (103) opposé à cette extrémité étanchéifiée (101) ainsi qu'une section de récipient de lampe (102) symétriquement axiale disposée entre le dôme (103) et l'extrémité étanchéifiée (101), caractérisée en ce que le dôme (103) ainsi qu'une partie (104), adjacente au dôme (103), de la section de récipient de lampe (102) symétriquement axiale sont munis d'un revêtement (105) étanche à la lumière et en ce que le filament boudiné (14) est construit de manière à ce que, lorsqu'il fonctionne avec une tension d'alimentation de 13,2 V, il génère un flux lumineux dont la valeur est supérieure à 2 000 lumens et supérieure à une valeur maximale admissible prédéfinie pour le flux lumineux de lampes H1, et en ce qu'en raison du revêtement (105) étanche à la lumière, le flux lumineux partant de la lampe de phare pendant le fonctionnement de la lampe est réduit à une valeur plus petite ou égale à la valeur maximale admissible prédéfinie.
  2. Lampe de phare selon la revendication 1, caractérisée en ce que l'écart entre la partie (103, 104), munie du revêtement (105) étanche à la lumière, du récipient de lampe (10) et un plan de référence du socle de lampe (12), par rapport auquel la position de l'au moins un filament boudiné (14) est réglée, possède une valeur située dans la plage de 31,50 millimètres ± 0,30 millimètres.
EP06807018A 2005-10-07 2006-10-05 Lampe de phare du type H1 Not-in-force EP1932169B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102005048444A DE102005048444A1 (de) 2005-10-07 2005-10-07 Scheinwerferlampe
PCT/EP2006/067115 WO2007042464A1 (fr) 2005-10-07 2006-10-05 Lampe de projecteur

Publications (2)

Publication Number Publication Date
EP1932169A1 EP1932169A1 (fr) 2008-06-18
EP1932169B1 true EP1932169B1 (fr) 2011-04-27

Family

ID=37497575

Family Applications (1)

Application Number Title Priority Date Filing Date
EP06807018A Not-in-force EP1932169B1 (fr) 2005-10-07 2006-10-05 Lampe de phare du type H1

Country Status (10)

Country Link
US (1) US8093792B2 (fr)
EP (1) EP1932169B1 (fr)
JP (1) JP5145232B2 (fr)
KR (1) KR101282234B1 (fr)
CN (1) CN101278373B (fr)
AT (1) ATE507577T1 (fr)
CA (1) CA2624860A1 (fr)
DE (2) DE102005048444A1 (fr)
ES (1) ES2364080T3 (fr)
WO (1) WO2007042464A1 (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102007049568A1 (de) 2007-10-16 2009-04-23 Osram Gesellschaft mit beschränkter Haftung Lampe mit verbesserter Haftung einer Kuppenbeschichtung und Verfahren zur Verbesserung der Haftung einer Kuppenbeschichtung an einer Lampe
DE102007055172A1 (de) 2007-11-19 2009-05-20 Osram Gesellschaft mit beschränkter Haftung Lampe, insbesondere Fahrzeuglampe
DE102008056174A1 (de) 2008-11-06 2010-05-12 Osram Gesellschaft mit beschränkter Haftung Halogenglühlampe für Fahrzeugscheinwerfer und Fahrzeugscheinwerfer
DE102009037577A1 (de) * 2009-08-14 2011-02-17 Osram Gesellschaft mit beschränkter Haftung Halogenglühlampe für Fahrzeugscheinwerfer
DE102011004290A1 (de) 2011-02-17 2012-08-23 Osram Ag Halogenglühlampe für Fahrzeugscheinwerfer und Fahrzeugscheinwerfer

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE9006680U1 (de) 1990-06-13 1990-08-23 Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH, 81543 München Sockel für eine Halogenglühlampe
DE4039948C2 (de) * 1990-12-14 2001-07-26 Piaa Corp Tokio Tokyo Lampe zur Verwendung in einem Hauptscheinwerfer eines Kraftfahrzeuges
US5578893A (en) 1993-11-16 1996-11-26 Piaa Corporation Bulb for vehicular lighting equipment
DE4420607A1 (de) * 1994-06-13 1995-12-14 Patent Treuhand Ges Fuer Elektrische Gluehlampen Mbh Elektrische Glühlampe und Leuchtkörper für Glühlampen
DE4428357A1 (de) 1994-08-10 1996-02-15 Patent Treuhand Ges Fuer Elektrische Gluehlampen Mbh Kittlos gesockelte Halogenglühlampe
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
JP3998050B2 (ja) * 1999-12-14 2007-10-24 株式会社小糸製作所 遮光塗料被着電球及び該電球を備えた車両用灯具
US6369510B1 (en) * 2000-01-13 2002-04-09 Osram Sylvania Inc. Blue tinted automobile lamp capsule
DE10040887A1 (de) * 2000-08-18 2001-08-30 Philips Corp Intellectual Pty Halogen-Glühlampe für Kraftfahrzeuge

Also Published As

Publication number Publication date
CN101278373B (zh) 2011-09-07
US8093792B2 (en) 2012-01-10
ES2364080T3 (es) 2011-08-24
DE502006009408D1 (de) 2011-06-09
KR101282234B1 (ko) 2013-07-10
CA2624860A1 (fr) 2007-04-19
ATE507577T1 (de) 2011-05-15
KR20080066779A (ko) 2008-07-16
WO2007042464A1 (fr) 2007-04-19
CN101278373A (zh) 2008-10-01
JP2009512125A (ja) 2009-03-19
DE102005048444A1 (de) 2007-04-12
US20090066213A1 (en) 2009-03-12
JP5145232B2 (ja) 2013-02-13
EP1932169A1 (fr) 2008-06-18

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