EP1932169A1 - Lampe de projecteur - Google Patents

Lampe de projecteur

Info

Publication number
EP1932169A1
EP1932169A1 EP06807018A EP06807018A EP1932169A1 EP 1932169 A1 EP1932169 A1 EP 1932169A1 EP 06807018 A EP06807018 A EP 06807018A EP 06807018 A EP06807018 A EP 06807018A EP 1932169 A1 EP1932169 A1 EP 1932169A1
Authority
EP
European Patent Office
Prior art keywords
lamp
headlight
vessel
lamp vessel
luminous flux
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
EP06807018A
Other languages
German (de)
English (en)
Other versions
EP1932169B1 (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
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 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

Links

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 headlight lamp, insbeson ⁇ particular a halogen incandescent lamp for a vehicle headlight according to the preamble of claim 1.
  • Such a headlamp is disclosed, for example, in EP 0 461 508 A2.
  • This document describes a halogen lamp for a motor vehicle headlight, which has a glass lamp vessel with an attached therein ⁇ arranged filament.
  • the lamp vessel is fixed in egg ⁇ nem metal base, which is equipped with the electrical connections of the lamp.
  • This headlight bulb is a so-called HI bulb.
  • WO 96/05610 Al describes a headlamp type H4 lamp with two incandescent filaments, 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.
  • Headlamps has a higher luminance and whose luminous flux does not exceed the permissible upper limit according to ECE regulation 37.
  • the headlight lamp according to the invention has at least one incandescent filament enclosed by a lamp vessel which is constructed such 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 comprises according to the invention a region of reduced Licht manläs ⁇ stechnik on that reduces the outgoing light from the headlight lamp current to a value of less than or equal to the predetermined permissible maximum value for the luminous flux of the lamp during lamp operation.
  • FIG. 1 corresponding comparative values on the example of headlamp ⁇ lamps of the type Hl for a conventional HI-lamp 1 and a HI-lamp 2 according to the invention are shown for illustrative purposes.
  • the conventional HI lamp 1 generates a luminous flux of 1475 Im at a supply voltage of 13.2 V
  • the HI lamp 2 according to the invention generates a luminous flux of 1715 Im at the same supply voltage.
  • the standard mean value of the luminous flux is 1550 Im for HI lamps according to the prior art.
  • the filament is designed so that it generates a luminous flux whose value is significantly greater than the specified according to the standard ECE rule 37 maximum permissible value for the luminous flux of HI lamps of 1782.5 Im.
  • the filament is designed to generate a luminous flux of more than 2000 Im, which by means of the aforesaid lamp vessel area with reduced light transmittance, is less than or equal to the permissible maximum luminous flux value for HI lamps of 1782.5 Im, according to the example in Figure 1 is reduced to a value of 1715 Im. That is, the HI lamp 2 according to the invention produces a light flux which is 16 percent higher than that of the conventional HI lamp 1.
  • Figure 2 shows a comparison of their luminance for these headlamps.
  • the conventional HI lamp 1 has a luminance of 2.3 ⁇ 10 ⁇ cd / m ⁇ and the HI lamp 2 according to the invention has a luminance of 3.7 ⁇ 10 ⁇ cd / m ⁇ . Accordingly, the luminance of the HI lamp 2 according to the invention is 61 percent higher than that of the conventional HI lamp 1. Due to its higher luminance, the headlamp according to the invention is superior to a conventional headlamp lamp 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.
  • Figure 3 shows an example of a comparison of the illuminance at the important distances of a passing lamp for legal transactions ge ⁇ the Standard ECE / 324 Regulation No. Gurss 112 with use - A -
  • FIG. 4 shows the same comparison when the same lamps are used as the light source in the low-beam headlamp of another motor vehicle. It can be seen from the comparative values of FIGS. 3 and 4 that the headlamp 2 according to the invention in the dipped-beam headlamps of both vehicle types has a significant increase in illuminance in the important distance points 75R, 5OR, 50V, 25L, 25R and zone IV in comparison to the conventional headlamp 1 ECE / 324 Regulation no. 112 on a screen 25 m away from the headlights.
  • FIG. 5 shows a comparison of the illuminance in the optical axis H / V and in the maximum of the illuminance when using a conventional HI lamp 1 and a HI lamp 2 according to the invention in the high beam headlight of a motor vehicle.
  • Figure 6 shows the same comparison for the same lamps in the high beam headlamp of another motor vehicle. From the comparison values in FIGS. 5 and 6, it can be seen that the HI lamp 2 according to the invention, in comparison to the conventional HI lamp 1 in the high beam headlamp of both motor vehicles, significantly increases the illuminance both in the optical axis H / V and in the maximum of FIG illuminance he ⁇ made possible.
  • the invention can also be applied to other headlamps, which usually have no opaque dome aufwei ⁇ sen, such as applied to H2 and H3 lamps.
  • headlamps which usually have no opaque dome aufwei ⁇ sen
  • the permissible maximum value for the luminous flux according to ECE Rule 37 is at a supply voltage of 13.2 volts, for example 2070 lm, while the permissible maximum value for the luminous flux of H3 lamps according to ECE regulation 37 at a supply voltage of 13.2 V is 1667.5 Im.
  • the at least one incandescent filament which it ⁇ inventive headlight lamp is constructed such that they neriert a luminous flux ge ⁇ during lamp operation which is at least 10 percent sigen above the zuläs ⁇ maximum value is the luminous flux of the lamp, but with the area of reduced light transmittance of the lamp vessel thereto, resulting in the smaller of which he outgoing ⁇ inventive lamp luminous flux to a value equal to or above the permissible maximum value for the luminous flux of the lamp is reduced, and so the requirement in accordance with ECE regulation is maintained 37th
  • the range of the lamp vessel with reduced permeability ⁇ is arranged at the end remote from the lamp base end of the lamp vessel, which is preferably designed as a tip.
  • the area of the lamp vessel with reduced light transmission extends not only over the top of the lamp vessel, but also to ⁇ part of an adjacent to the dome axisymmetric portion of the lamp vessel.
  • the portion of the lamp vessel with reduced permeability ⁇ is advantageously designed as lichtun press ⁇ fäß Kunststoffes permeable coating on the surface of Lampenge-, since this coating is produced with ver ⁇ tively simple means.
  • Coating can be used, for example, carbonyl iron, which is known from the top coating in H4 and H7 lamps.
  • the distance of the region of the lamp vessel with reduced light transmission 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.
  • Figure 1 shows a comparison of the luminous flux of a fiction, modern ⁇ HI-lamp with a conventional HI-lamp according to the prior art
  • Figure 2 A comparison of the luminance of a HI lamp according to the invention with a conventional HI lamp according to the prior art
  • FIG. 3 shows a comparison of the illuminance when using a HI lamp according to the invention and a conventional HI lamp according to the prior art as a light source in the low-beam headlamp of a motor vehicle
  • FIG. 4 shows a comparison of the illuminance when using a HI lamp according to the invention and a conventional HI lamp according to the prior art Technique as a light source in the low beam headlight of another motor vehicle
  • FIG. 5 shows a comparison of the illuminance at Ver ⁇ application of a HI-lamp according to the invention and a conventional HI-lamp according to the prior art as the light source in the high-beam headlights of a motor vehicle
  • FIG. 6 shows a comparison of the illuminance at Ver ⁇ application of a HI-lamp according to the invention and a conventional HI-lamp according to the prior art as the light source in the beam headlight of another motor vehicle
  • Figure 7 is a side view of a headlight lamp according to the invention in a schematic representation
  • Figure 8 is a side view of the headlight lamp Fi gur ⁇ 7 turned in a 90 degrees about its longitudinal axis ge ⁇ side view schematic representation of
  • FIGS. 7 and 8 show diagrammatically two different side views of a headlight lamp according to the invention.
  • This headlamp is a halogen incandescent lamp type Hl, which has a nominal voltage of 12 volts and an electrical power consumption ⁇ of 55 watts.
  • This headlight lamp loading sits a glass lamp vessel 10 with a draw Together ⁇ th end 101 which is fixed in a metallic base sleeve of the lamp cap 12th
  • the lamp cap 12 is provided with a base flange 13 with respect to which spatial position of the lamp vessel 10 enclosed Glüh ⁇ helix 14 is adjusted.
  • 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 surrounding the filament 14, is axialsym ⁇ metric, designed, in particular circular cylindrical.
  • the tip 103 and a portion 104 of the adjoining circular-cylindrical lamp vessel portion 102 are on ih ⁇ rer outer surface with an opaque coating-105 provided, for example, from 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 easily coiled, has 15 Windun ⁇ gen a core diameter of 652.3 microns, a core factor of 3.922, a slope of 288.9 microns, a pitch factor of 1,737, a cold resistance of 102.29 milliohms and an effective length of wire of 39.84 mm.
  • the effective wire length designates the length of the wire of the coiled part of the incandescent filament.
  • Ge ⁇ compared to the conventional HI lamp has in the HI lamp according to the preferred embodiment of the invention, the incandescent filament 14 by about 17.4 percent reduced cold resistance.
  • the filament 14 generates the Be ⁇ the lamp operating with a supply voltage of 13.2 V a luminous flux of 2012 Im by means of the coating 105 is reduced to a value of 1715 Im.
  • the invention is not limited to the above-explained embodiment of the invention, but can also be applied to other headlamps, for example H2 and H3 lamps are used. Furthermore, the invention can also be applied to two-filament lamps, for example to H15 lamps. H15 lamps have an incandescent filament for generating the daytime running light and another filament for generating the high beam.
  • the high beam filament may be designed to generate a luminous flux during operation greater than a predetermined allowable maximum value for the luminous flux of the H15 lamp and, for example, the top of the lamp vessel has a light-impermeable coating, by means of which the luminous flux emanating from the high-beam incandescent filament is reduced to a value of less than or equal to the predetermined permissible maximum value.
  • the invention can also be applied to headlight lamps, which are designed for a different Bordnetznennrati than 12 V, for example for a Bordnetznennrati of 24V.

Landscapes

  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
  • Lighting Device Outwards From Vehicle And Optical Signal (AREA)
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 true EP1932169A1 (fr) 2008-06-18
EP1932169B1 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

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO2007042464A1 *

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
EP1932169B1 (fr) 2011-04-27
DE102005048444A1 (de) 2007-04-12
US20090066213A1 (en) 2009-03-12
JP5145232B2 (ja) 2013-02-13

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