EP0886882B2 - Lampe luminescente a gaz, notamment pour phare de vehicule - Google Patents

Lampe luminescente a gaz, notamment pour phare de vehicule Download PDF

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Publication number
EP0886882B2
EP0886882B2 EP97916330A EP97916330A EP0886882B2 EP 0886882 B2 EP0886882 B2 EP 0886882B2 EP 97916330 A EP97916330 A EP 97916330A EP 97916330 A EP97916330 A EP 97916330A EP 0886882 B2 EP0886882 B2 EP 0886882B2
Authority
EP
European Patent Office
Prior art keywords
gas discharge
discharge lamp
electrode
cap
ballast
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.)
Expired - Lifetime
Application number
EP97916330A
Other languages
German (de)
English (en)
Other versions
EP0886882B1 (fr
EP0886882A1 (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
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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(B2) "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
Application granted granted Critical
Publication of EP0886882B1 publication Critical patent/EP0886882B1/fr
Publication of EP0886882B2 publication Critical patent/EP0886882B2/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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

  • the invention relates to a gas discharge lamp, in particular for motor vehicle headlights, after the genus of the main claim.
  • a gas discharge lamp or high-pressure discharge lamp known, for example, from DE-A-35 19 611
  • the required ballast for supplying the lamp with the necessary Zündund firing voltage is arranged in a mold housing, which is arranged at the rear part of the reflector of the motor vehicle headlight unit.
  • This housing thereby increases the depth of the motor vehicle headlight unit, the high-voltage lines must be performed by the mold housing to the burner vessel of the lamp. This brings with it isolation problems and line losses.
  • DE 43 18 395 A1 discloses an arc discharge headlight capsule is known, in which an electrical assembly is disposed behind the end of an arc tube.
  • Ballast Due to the electrical feedback of the in Lamp socket remote end portion of the burner vessel arranged electrode passage over an outer Line to the lamp base or arranged therein Ballast is a total of a simple and cost-effective, compact solution that reaches out especially for use in motor vehicle headlamps suitable.
  • the ballast in the lamp base can be a very small total volume be achieved, and the size of the motor vehicle headlight unit as such, it increases practically not.
  • accommodation in the lamp base are the means for ignition voltage generation practically directly next to an electrode of the burner vessel arranged and form a solid unit, so that the cable length of the high voltage cables in particular the outer line on the burner vessel becomes minimal.
  • An inductive included in the ballast Ignition component in particular a Zündimpulsschreibtrager, owns according to the invention a closed core, preferably one Toroidal core, resulting in a low number of turns achieve a high inductance. This leads to a slow ignition pulse, and the ignition voltage can be kept low. Furthermore, the low number of turns a compact and small volume Construction.
  • the closed core surrounds one of the two with an electrode leadthrough provided end portions of the burner vessel, what also contributes to a reduction in size.
  • a lamp base who, in addition to his task as a lamp base still holds the components together and on the burner vessel binds.
  • This lamp base serves at the same time as an insulating body, expediently the electrical connections of the lamp socket likewise encapsulated or encapsulated, so that practically the entire lamp base in one operation is formed.
  • the ignition voltage in an advantageous manner by Attachment of an auxiliary electrode can be reduced.
  • the outer line is expediently with connected to an auxiliary electrode or forms such, preferably this auxiliary electrode is in the vicinity the socket-near first main electrode is arranged.
  • auxiliary electrode as outside on the burner vessel fitting wire or more conductive Strip is formed.
  • polarity of the sockelnahen first main electrode negative about the polarity of others, with the Auxiliary electrode connected second main electrode. This ensures that after the initial spark, the from the socket-near first main electrode to Auxiliary electrode jumps, through the glass wall of the burner vessel through, the spark following the second main electrode without polarity change of the first Main electrode can follow.
  • the gas discharge lamp shown in Fig. 1 consists essentially of a burner vessel 10, which is embedded in a lamp base 11.
  • the end Glass or other transparent, temperature resistant Material existing burner vessel 10 has a central combustion chamber 12 with a flattened spherical shape or Ellipsoidgestalt, the opposite Pages two tubular extensions 13, 14 has.
  • the End portions of these tubular extensions 13, 14 are as gas-tight current feedthroughs for two main electrodes 15, 16 are formed, coming from both sides slightly into the combustion chamber 12 hineinerglazed. Between These main electrodes 15, 16 are formed during operation the arc out.
  • the lamp base 11 is cast or Injection molded body formed and consists of insulating Plastic material. It contains a Zündimpulsschreiber 17, which consists of a ring core 18 and a Winding arrangement 24, 27 for the ring core 18 is made.
  • the ring core 18 concentrically surrounds the first tubular extension 13. which is in the lamp base 11 hineinerstreckt, Furthermore, in the lamp base 11 contain electronic components 19, the only schematic are shown and together with the Zündimpulsschreiber 17 form a ballast, the the lamp with the required ignition and burning voltage provided.
  • the lamp base 11 also has two annular electrical connections 20, 21, of which the inner with the first main electrode 15 and of those the outer connected to the Zündimpulsschreibtrager 17 is.
  • a second connection of the ignition pulse transformer 17 is connected to an outer conduit 22, extending from the lamp base 11 from substantially parallel extends to the burner vessel 10 and at the free End with the second main electrode 16 electrically connected is.
  • This outer conduit 22 is as a wire or rod formed.
  • the outer conduit 22 to this first Extension 13 led out and forms there an outer Auxiliary electrode 23, thus electrically connected to the second Main electrode 16 is connected.
  • This auxiliary electrode 23 can also be used as a conductive strip, e.g.
  • the Polarity of the socket-near ersen main electrode 15 is negative with respect to the polarity of the second main electrode 16 and the auxiliary electrode 23 to ensure that after the initial spark, that of the main electrode 15 to the auxiliary electrode 23 through the glass jumps, the sequence spark to the second main electrode 16 without polarity change of the main electrode 15th can follow.
  • the Zündimpulsschreibtrager 17, the burner vessel 10, the electronic. Components 19, the electrical Connections 20, 21 and the outer line .22 be together with plastic material to form the Lamp caps 11 overmoulded or potted. With help of the lamp cap 11, the lamp in a socket receptacle for example, a motor vehicle headlight be plugged in.
  • Fig. 2 is a possible circuit for a Ballast shown.
  • the two electrical connections 20, 21 are via the series connection of a first Winding 24 of Zündimpulsschreibtragers 17 with the two main electrodes 15, 16 of the burner vessel 10 interconnected.
  • the two electrical connections 20, 21 via the series circuit a capacitor 25 with a resistor 26 connected.
  • Parallel to the capacitor 25 is the series circuit a second winding 27 of the Zündimpulsschreibtragers 17 connected with a spark gap 28.
  • the circuit shown in Fig. 2 only one of many known possibilities for such Ballast.
  • Other circuits for ballasts of gas discharge lamps are for example in "Lamps and Lighting", 2nd Edition, S.T. Henderson and M. Marsden, p. 328 et seq., and described. From the variety of circuits shown there Ballasts also show, among other things, that the Zündimpulsschreibtrager 17 at some Circuits also designed as a simple throttle or coil can be.
  • the lamp base 11 as a prefabricated Housing for receiving the components, such as Zündimpulsschreibtrager 17, burner vessel 10, electrical Components 19, electrical connections 20, 21 and outer Line 22, be formed.
  • the Auxiliary electrode 23 also omitted, another shape have or act as a separate ignition voltage Electrode be formed.

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.

Claims (8)

  1. Lampe luminescente à gaz, en particulier pour phares de véhicules à moteur, comprenant une ampoule en verre ou en une matière analogue, présentant au moins deux électrodes et pourvue d'un socle de lampe (11) présentant des raccords électriques (20, 21), avec un régulateur de puissance de wattage électronique, qui fournit à la lampe la tension d'allumage et de fonctionnement nécessaire, disposé dans le socle de lampe, et dans laquelle
    le socle de lampe (11) pourvu du régulateur de puissance est constitué de façon à pouvoir être enfiché dans un logement du socle,
    l'ampoule (10) se compose essentiellement d'une chambre de combustion (12) et de deux prolongements (13, 14) en forme de tubes, s'étendant à partir de cette chambre de combustion(12) en sens opposés, et contenant chacun une électrode principale (15, 16), les zones terminales opposées des prolongements (13, 14) contenant les passages pour les électrodes, et
    le branchement d'électrodes, disposé dans la zone terminale (14) de l'ampoule (10) éloignée du socle de la lampe (11), retourne par une ligne extérieure (22) au socle de la lampe (11) et est branché à cet endroit à un raccordement électrique correspondant,
    caractérisée en ce que
    un composant d'allumage (17) à induction, contenu dans le régulateur de puissance, en particulier un transformateur d'impulsions d'allumage, possède un noyau fermé (18), et le noyau fermé (18) entoure l'une des deux zones terminales (13) de l'ampoule (10) qui est pourvue d'un branchement d'électrodes.
  2. Lampe luminescente à gaz selon la revendication 1,
    caractérisée en ce que
    le noyau fermé (18) est un noyau annulaire.
  3. Lampe luminescente à gaz selon l'une des revendications précédentes,
    caractérisée en ce que
    les composants (17, 18), nécessaires au régulateur de puissance, sont enrobés par injection ou coulés en même temps qu'une zone terminale (13) de l'ampoule (10) au moins en partie avec la matière plastique qui constitue le socle de la lampe (11).
  4. Lampe luminescente à gaz selon la revendication 3,
    caractérisée en ce que
    les raccords électriques (20, 21) du socle de la lampe sont également injectés ou coulés en même temps.
  5. Lampe luminescente à gaz selon l'une des revendications précédentes,
    caractérisée en ce que
    la ligne extérieure (22) est reliée à une électrode auxiliaire (23) ou forme une telle électrode.
  6. Lampe luminescente à gaz selon la revendication 5,
    caractérisée en ce que
    l'électrode auxiliaire (23) est disposée à proximité de la première électrode principale (15) proche du socle.
  7. Lampe luminescente à gaz selon l'une des revendications 5 ou 6,
    caractérisée en ce que
    l'électrode auxiliaire (23) est constituée par un fil ou une lame conductrice à l'extérieur de l'ampoule (10).
  8. Lampe luminescente à gaz selon l'une des revendications 5 à 7,
    caractérisée en ce que
    la polarité de la première électrode (15) proche du socle est négative par rapport à la polarité de l'autre deuxième électrode principale (16), qui est reliée à l'électrode auxiliaire (23).
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
DE19610385 1996-03-16
DE19610385A DE19610385A1 (de) 1996-03-16 1996-03-16 Gasentladungslampe, insbesondere für Kraftfahrzeug-Scheinwerfer
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 EP0886882A1 (fr) 1998-12-30
EP0886882B1 EP0886882B1 (fr) 2000-05-31
EP0886882B2 true 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)

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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
EP1278403B1 (fr) * 1998-05-08 2004-04-21 Denso Corporation Transformateur d'allumage pour une lampe a décharge à gaz
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
WO2001023803A1 (fr) * 1999-09-30 2001-04-05 Matsushita Electric Works, Ltd. Dispositif d'eclairage
US6536918B1 (en) * 2000-08-23 2003-03-25 General Electric Company Lighting system for generating pre-determined beam-pattern
WO2002051214A1 (fr) * 2000-12-19 2002-06-27 Vogt Electronic Ag Culot de lampe a decharge comportant un dispositif d'amorçage
JP2003017283A (ja) * 2001-06-29 2003-01-17 Ushio Inc 光源装置
CN101416272A (zh) * 2003-12-02 2009-04-22 皇家飞利浦电子股份有限公司 高压放电灯组件
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
US7855625B2 (en) * 2006-08-31 2010-12-21 General Electric Company Lamp transformer
US7760061B2 (en) * 2006-08-31 2010-07-20 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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Publication number Priority date Publication date Assignee Title
DE4318395A1 (de) † 1992-06-04 1993-12-23 Gte Prod Corp Belüfteter Gasentladungslampen-Modul für Fahrzeuge
EP0717232A2 (fr) † 1994-12-13 1996-06-19 Osram Sylvania Inc. Lampe à décharge à haute intensité pour phare

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Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4318395A1 (de) † 1992-06-04 1993-12-23 Gte Prod Corp Belüfteter Gasentladungslampen-Modul für Fahrzeuge
EP0717232A2 (fr) † 1994-12-13 1996-06-19 Osram Sylvania Inc. Lampe à décharge à haute intensité pour phare

Also Published As

Publication number Publication date
DE19610385A1 (de) 1997-09-18
DE59701814D1 (de) 2000-07-06
EP0886882B1 (fr) 2000-05-31
US6194834B1 (en) 2001-02-27
EP0886882A1 (fr) 1998-12-30
WO1997035336A1 (fr) 1997-09-25
JP2000506673A (ja) 2000-05-30
ES2148958T3 (es) 2000-10-16

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