EP0886882A1 - Lampe luminescente a gaz, notamment pour phare de vehicule - Google Patents

Lampe luminescente a gaz, notamment pour phare de vehicule

Info

Publication number
EP0886882A1
EP0886882A1 EP97916330A EP97916330A EP0886882A1 EP 0886882 A1 EP0886882 A1 EP 0886882A1 EP 97916330 A EP97916330 A EP 97916330A EP 97916330 A EP97916330 A EP 97916330A EP 0886882 A1 EP0886882 A1 EP 0886882A1
Authority
EP
European Patent Office
Prior art keywords
gas discharge
discharge lamp
base
electrode
lamp according
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
EP97916330A
Other languages
German (de)
English (en)
Other versions
EP0886882B1 (fr
EP0886882B2 (fr
Inventor
Hartmut Seiler
Robert Kern
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.)
Robert Bosch GmbH
Original Assignee
Robert Bosch 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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=7788496&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP0886882(A1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Robert Bosch GmbH filed Critical Robert Bosch GmbH
Publication of EP0886882A1 publication Critical patent/EP0886882A1/fr
Publication of EP0886882B1 publication Critical patent/EP0886882B1/fr
Application granted granted Critical
Publication of EP0886882B2 publication Critical patent/EP0886882B2/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B41/00—Circuit arrangements or apparatus for igniting or operating discharge lamps
    • H05B41/02—Details
    • H05B41/04—Starting switches
    • H05B41/042—Starting switches using semiconductor devices
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S41/00—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps
    • F21S41/10—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by the light source
    • F21S41/14—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by the light source characterised by the type of light source
    • F21S41/17—Discharge light sources
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S41/00—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps
    • F21S41/10—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by the light source
    • F21S41/19—Attachment of light sources or lamp holders
    • F21S41/192—Details of lamp holders, terminals or connectors
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J61/00—Gas-discharge or vapour-discharge lamps
    • H01J61/02—Details
    • H01J61/56—One or more circuit elements structurally associated with the lamp
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J61/00—Gas-discharge or vapour-discharge lamps
    • H01J61/84—Lamps with discharge constricted by high pressure

Definitions

  • Such gas discharge lamps or high-pressure discharge lamps are known, for example, from DE-OS 35 19 611.
  • the ballast required to supply the lamp with the necessary ignition and burning voltage is arranged in the known lamp in a molded housing which is arranged on the rear part of the reflector of the motor vehicle headlight unit.
  • this housing increases the overall depth of the motor vehicle headlight unit, the high-voltage lines having to be led from the molded housing to the burner vessel of the lamp. This leads to insulation problems and line 1 losses.
  • the ballast and the high-voltage lines are advantageously replaced at the same time by simply exchanging the gas discharge lamp, so that most sources of error can be eliminated quickly and easily.
  • an inductive ignition component contained in the ballast in particular an ignition pulse transmitter, has a closed core, preferably a toroidal core, as a result of which a high inductance can be achieved with a small number of turns.
  • a closed core preferably a toroidal core
  • a lamp base By overmolding or potting the components required for the ballast together with an end area of the burner vessel with plastic material, a lamp base can be formed in a simple and inexpensive manner which, in addition to its function as a lamp base, also holds the components together and binds to the burner vessel.
  • This lamp base also serves at the same time as an insulating body, the electrical connections of the lamp base also expediently being encapsulated or encapsulated, so that practically the entire lamp base is formed in one operation.
  • the electrode bushing arranged in the end region of the burner vessel remote from the lamp base is returned to the lamp base via an outer line and connected there with a corresponding electrical connection, which leads to a simple and inexpensive solution overall, the region of this outer line running in the lamp base of course being the same can be encapsulated or encapsulated.
  • the ignition voltage can advantageously also be reduced by attaching an auxiliary electrode.
  • the outer line is expediently connected to or forms an auxiliary electrode, this auxiliary electrode preferably being arranged in the vicinity of the first main electrode near the base.
  • auxiliary electrode is designed as a wire or conductive strip lying on the outside of the burner vessel.
  • the polarity of the first main electrode near the base is negative with respect to the polarity of the other, with which the first electrode is electrically de connected second main electrode. This ensures that the spark that jumps from the first main electrode near the base to the auxiliary electrode, namely through the glass wall of the burner vessel, can follow the subsequent spark to the second main electrode without changing the polarity of the first main electrode.
  • FIG. 1 shows a sectional illustration of the gas discharge lamp provided with a lamp base as an exemplary embodiment
  • the gas discharge lamp shown in FIG. 1 essentially consists of a burner vessel 10 which is embedded in a lamp base 11.
  • the burner vessel 10 which is made of glass or another transparent, temperature-resistant material, has a central combustion chamber 12 with a flattened spherical shape or ellipsoidal shape, which has two tubular extensions 13, 14 on opposite sides.
  • the end regions of these tubular extensions 13, 14 are designed as gas-tight current feedthroughs for two main electrodes 15, 16, which extend slightly into the combustion chamber 12 from both sides.
  • the arc forms during operation between these main electrodes 15, 16.
  • the lamp base 11 is designed as a molded body or injection molded body and consists of insulating plastic material.
  • the lamp base 11 contains electronic components 19, which are only shown schematically and which, together with the ignition pulse transformer 17, form a ballast which supplies the lamp with the required ignition and operating voltage.
  • the lamp base 11 also has two ring-shaped electrical connections 20, 21, of which the inner one is connected to the first main electrode 15 and the outer one is connected to the ignition pulse transmitter 17.
  • a second connection of the ignition pulse transmitter 17 is connected to an outer line 22 which extends from the lamp base 11 essentially parallel to the burner vessel 10 and is electrically connected at its free end to the second main electrode 16.
  • This outer line 22 is designed as a wire or rod.
  • the outer line 22 leads to this first extension 13 and forms an outer auxiliary electrode 23 there, which is thus electrically connected to the second main electrode 16 .
  • This auxiliary electrode 23 can also be designed as a conductive strip, for example as a conductive lacquer strip made of conductive silver or the like.
  • the polarity of the first main electrode 15 near the base is negative with respect to the polarity of the second main electrode 16 and the auxiliary electrode 23, in order to ensure that after the initial spark that jumps through the glass from the main electrode 15 to the auxiliary electrode 23, the subsequent spark up to the second main electrode 16 without Polarity change of the main electrode 15 can follow.
  • the ignition pulse s ' transmitter 17, the burner vessel 10, the electronic components 19, the electrical connections 20, 21 and the outer line 22 are molded or cast together with plastic material to form the lamp base 11. With the help of the lamp base 11, the lamp can be inserted into a base, for example of a motor vehicle headlight.
  • FIG. 2 shows a possible circuit for a ballast.
  • the two electrical connections 20, 21 are connected to one another via the series connection of a first winding 24 of the ignition pulse transmitter 17 with the two main electrodes 15, 16 of the burner vessel 10. Furthermore, the two electrical connections 20, 21 are connected to a resistor 26 via the series connection of a capacitor 25. The series connection of a second winding 27 of the ignition pulse transformer 17 with a spark gap 28 is connected in parallel with the capacitor 25.
  • the circuit shown in FIG. 2 represents only one of many known possibilities for such a ballast. Further circuits for ballasts of gas discharge lamps are, for example, in "Lamps and Lighting", 2nd edition, ST Henderson and AM Marsden, p. 328 ff, shown and described. From the large number of circuits for ballasts shown there, it is evident, among other things, that the ignition pulse transmitter 17 can also be designed as a simple choke or coil in some circuits.
  • the lamp base 11 can also be as a prefabricated housing for receiving the components, such as Zündimpul s' exchangers 17, burner tube 10, electrical components 19, electrical connections 20, 21 and outer conduit 22 may be formed. Furthermore, only a part of these components can be encapsulated or encapsulated, while another part is housed in a prefabricated housing.
  • the auxiliary electrode 23 can also be omitted, have a different shape or be designed as an electrode which is supplied separately with an ignition voltage.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
  • Common Detailed Techniques For Electron Tubes Or Discharge Tubes (AREA)

Abstract

L'invention concerne une lampe luminescente à gaz, destinée notamment à un phare de véhicule, comportant un globe (10), en verre ou similaire, qui contient au moins deux électrodes (15, 16, 23), et un culot de lampe (11), qui peut être enfoncé dans une douille et porte les connexions électriques. Le culot (11) comporte un régulateur de puissance, qui amène à la lampe la tension d'allumage et de décharge désirée. Le fait de placer le régulateur de puissance à l'intérieur du culot (11) permet de fabriquer une lampe luminescente à gaz de petit volume, de conception intégrée, avec des conducteurs à haute tension courts, et donc de maintenir la tension d'allumage basse.
EP97916330A 1996-03-16 1997-03-06 Lampe luminescente a gaz, notamment pour phare de vehicule Expired - Lifetime EP0886882B2 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE19610385A DE19610385A1 (de) 1996-03-16 1996-03-16 Gasentladungslampe, insbesondere für Kraftfahrzeug-Scheinwerfer
DE19610385 1996-03-16
PCT/DE1997/000425 WO1997035336A1 (fr) 1996-03-16 1997-03-06 Lampe luminescente a gaz, notamment pour phare de vehicule

Publications (3)

Publication Number Publication Date
EP0886882A1 true EP0886882A1 (fr) 1998-12-30
EP0886882B1 EP0886882B1 (fr) 2000-05-31
EP0886882B2 EP0886882B2 (fr) 2005-04-13

Family

ID=7788496

Family Applications (1)

Application Number Title Priority Date Filing Date
EP97916330A Expired - Lifetime EP0886882B2 (fr) 1996-03-16 1997-03-06 Lampe luminescente a gaz, notamment pour phare de vehicule

Country Status (6)

Country Link
US (1) US6194834B1 (fr)
EP (1) EP0886882B2 (fr)
JP (1) JP2000506673A (fr)
DE (2) DE19610385A1 (fr)
ES (1) ES2148958T3 (fr)
WO (1) WO1997035336A1 (fr)

Families Citing this family (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0852455B1 (fr) * 1996-12-07 2002-05-29 NGK Spark Plug Co. Ltd. Dispositif de commande de l'éclairage d'un véhicule
DE19803139A1 (de) * 1998-01-28 1999-07-29 Patent Treuhand Ges Fuer Elektrische Gluehlampen Mbh Zündvorrichtung für eine Entladungslampe
DE69915164T2 (de) * 1998-05-08 2004-09-09 Denso Corp., Kariya Gerät für eine Entladungslampe
DE19831042A1 (de) 1998-07-13 2000-02-17 Patent Treuhand Ges Fuer Elektrische Gluehlampen Mbh Beleuchtungssystem mit einer Hochdruckentladungslampe
DE19913942C1 (de) * 1999-03-26 2000-04-13 Vogt Electronic Ag Gasentladungslampensockel mit Zündeinrichtung
JP3316629B2 (ja) * 1999-05-14 2002-08-19 スタンレー電気株式会社 車両用放電灯点灯ユニット
FR2795691B1 (fr) † 1999-07-02 2001-08-17 Valeo Vision Projecteur de vehicule automobile equipe d'une lampe a decharge et de moyens de blindage electromagnetique perfectionnes
DE19939310C2 (de) * 1999-08-19 2001-06-13 Vogt Electronic Ag Hochspannungszündmodul
EP1598592B1 (fr) * 1999-09-30 2008-07-23 Matsushita Electric Works, Ltd. Dispositif d'éclairage
US6536918B1 (en) * 2000-08-23 2003-03-25 General Electric Company Lighting system for generating pre-determined beam-pattern
EP1352547B1 (fr) * 2000-12-19 2005-02-16 VOGT electronic AG Culot de lampe a decharge comportant un dispositif d'amorcage
JP2003017283A (ja) * 2001-06-29 2003-01-17 Ushio Inc 光源装置
US7859176B2 (en) * 2003-12-02 2010-12-28 Koninklijke Philips Electronics N.V. High-pressure discharge lamp assembly
DE102004056002A1 (de) 2004-11-19 2006-05-24 Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH Hochdruckentladungslampe mit Impulszündvorrichtung und Betriebsverfahren für eine Hochdruckentladungslampe
DE102004055976A1 (de) * 2004-11-19 2006-05-24 Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH Schaltungsanordnung zum Betrieb einer Hochdruckentladungslampe
EP1979920B1 (fr) 2006-01-20 2012-03-07 Vogt Electronic Components GmbH Transformateur d'allumage et module d'allumage pour lampe a decharge
US7760061B2 (en) * 2006-08-31 2010-07-20 General Electric Company Lamp transformer
US7855625B2 (en) * 2006-08-31 2010-12-21 General Electric Company Lamp transformer
US7746211B2 (en) * 2006-12-27 2010-06-29 General Electric Company Lamp transformer assembly
DE102007017338A1 (de) 2007-02-13 2008-08-14 Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH Zündtransformator für eine Entladungslampe
DE102008059561A1 (de) 2008-11-28 2010-06-10 Osram Gesellschaft mit beschränkter Haftung Integrierte Gasentladungslampe
DE102009033068B4 (de) * 2009-07-03 2019-01-17 SUMIDA Components & Modules GmbH Ansteuermodul für Gasentladungslampe
US8299879B2 (en) * 2011-02-10 2012-10-30 Leco Corporation Transformer assembly using an internal load and method for forming same

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US4097777A (en) * 1976-11-10 1978-06-27 General Electric Company Arc discharge lamp including starting circuit
US4322658A (en) * 1980-03-19 1982-03-30 General Electric Company High intensity discharge lamp containing electronic starting aid
NL8006802A (nl) * 1980-12-16 1982-07-16 Philips Nv Starter voor het ontsteken van een gas- en/of dampontladingsbuis, alsmede elektrische inrichting en lamp voorzien van een dergelijke starter.
HU183313B (en) * 1981-02-06 1984-04-28 Egyesuelt Izzolampa Lighting system and electric lighting unit of compact structure
EP0150799B1 (fr) * 1984-01-25 1989-05-24 PAROL Leuchtkomponenten GmbH Système d'assemblage pour lampes fluorescentes
DE3416714A1 (de) * 1984-05-05 1985-11-07 Philips Patentverwaltung Gmbh, 2000 Hamburg Hochdruckentladungslampe
CA1253913A (fr) * 1984-06-18 1989-05-09 Cornelis A.J. Jacobs Lampe a decharge sous vapeur de sodium haute pression
DE3519611A1 (de) 1985-05-31 1986-12-04 Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH, 8000 München Kraftfahrzeugscheinwerfereinheit
US5059865A (en) * 1988-02-18 1991-10-22 General Electric Company Xenon-metal halide lamp particularly suited for automotive applications
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CA2097628A1 (fr) † 1992-06-04 1993-12-05 Charles M. Coushaine Capsule vehiculaire a event
EP0576071B1 (fr) * 1992-06-23 1996-09-04 Koninklijke Philips Electronics N.V. Lampe à décharge dans la vapeur de mercure à haute pression
US5489825A (en) * 1992-11-09 1996-02-06 Tunewell Technology Limited Transformer
JPH06314555A (ja) 1993-04-30 1994-11-08 Toshiba Lighting & Technol Corp 高圧放電灯およびこれを用いた投光装置
DE4317368A1 (de) * 1993-05-25 1994-12-01 Patent Treuhand Ges Fuer Elektrische Gluehlampen Mbh Verfahren zum Betrieb einer Hochdruckentladungslampe
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Also Published As

Publication number Publication date
DE19610385A1 (de) 1997-09-18
EP0886882B1 (fr) 2000-05-31
ES2148958T3 (es) 2000-10-16
DE59701814D1 (de) 2000-07-06
JP2000506673A (ja) 2000-05-30
EP0886882B2 (fr) 2005-04-13
WO1997035336A1 (fr) 1997-09-25
US6194834B1 (en) 2001-02-27

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