EP0886882B1 - 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
EP0886882B1
EP0886882B1 EP97916330A EP97916330A EP0886882B1 EP 0886882 B1 EP0886882 B1 EP 0886882B1 EP 97916330 A EP97916330 A EP 97916330A EP 97916330 A EP97916330 A EP 97916330A EP 0886882 B1 EP0886882 B1 EP 0886882B1
Authority
EP
European Patent Office
Prior art keywords
gas discharge
discharge lamp
electrode
cap
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.)
Expired - Lifetime
Application number
EP97916330A
Other languages
German (de)
English (en)
Other versions
EP0886882A1 (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
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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(B1) "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

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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, by type of the main claim.
  • Gas discharge lamp or high pressure discharge lamp is the ballast required for supply the lamp with the necessary ignition and burning voltage in a molded housing arranged on the rear part of the Reflector of the motor vehicle headlight unit arranged is.
  • This housing increases the overall depth the motor vehicle headlight unit, the high-voltage carrying Lines from the molded housing to Burner vessel of the lamp must be guided. This brings Isolation problems and line losses.
  • a low-pressure gas discharge lamp is already known from EP-A-0 150 799 the genus mentioned at the beginning, in which the ballast is arranged on the lamp base.
  • An inductive ignition component contained in the ballast, in particular an ignition pulse transmitter, according to one advantageous embodiment of the invention a closed Core, preferably a toroidal core, whereby with a low number of turns can achieve a high inductance leaves. This leads to a slow ignition pulse, and the ignition voltage can be kept low. Farther the low number of turns enables a compact and small volume construction.
  • the closed core preferably encompasses one of the both end areas provided with an electrode bushing of the burner vessel, which also leads to a reduction contributes to the size.
  • Lamp base By at least partially encapsulating or potting the components required for the ballast with an end region of the burner vessel with plastic material can be a simple and inexpensive way Lamp base are formed, in addition to its function as Lamp base still holds the components together and to that Burner vessel binds.
  • This lamp base also serves at the same time as an insulating body, expediently the electrical connections of the lamp base as well are encapsulated or encapsulated, so that practically the entire lamp base is formed in one operation.
  • the im Lamp base extending area of the outer lead expediently encapsulated or encapsulated at the same time become.
  • auxiliary electrode preferably in the vicinity of the first main electrode near the base is arranged.
  • the Polarity of the first main electrode near the base is negative against the polarity of the others, with the auxiliary electrode connected second main electrode. This will ensured that after the initial spark from the first main electrode near the base to the auxiliary electrode jumps through the glass wall of the burner vessel through, the subsequent spark towards the second main electrode follow the first main electrode without changing polarity can.
  • the gas discharge lamp shown in Fig. 1 consists of essentially from a burner vessel 10 which in one Lamp base 11 is embedded. That made of glass or one other transparent, temperature-resistant material existing burner vessel 10 has a central combustion chamber 12 with flattened spherical shape or ellipsoidal shape, the two on the opposite sides are tubular Has extensions 13, 14. The end areas of this tubular Extensions 13, 14 are gas-tight feedthroughs designed for two main electrodes 15, 16, which is slightly from both sides in the combustion chamber 12 stretch in. Between these main electrodes 15, 16 arcs are formed during operation.
  • the lamp base 11 is as a molded body or injection molded body trained and consists of insulating plastic material. It contains an ignition pulse transmitter 17 which from a toroidal core 18 and a winding arrangement 24, 27 for the Toroidal core 18 is made.
  • the ring core 18 concentrically surrounds the first tubular extension 13, which is in the lamp base 11 stretched in. Furthermore are in the lamp base 11 contain electronic components 19, which only are shown schematically and together with the Ignition pulse transformer 17 form a ballast that the Lamp with the required ignition and burning voltage provided.
  • the lamp base 11 also has two ring-shaped ones electrical connections 20, 21, of which the inner with the first main electrode 15 and of which the outer with the ignition pulse transmitter 17 is connected.
  • a second Connection of the ignition pulse transmitter 17 is with a outer line 22 connected from the lamp base 11 extends essentially parallel to the burner vessel 10 and at its free end with the second main electrode 16 is electrically connected.
  • This outer line 22 is designed as a wire or rod.
  • the outer line 22 In the connection area between the first tubular extension 13 and the combustion chamber 12 is the outer line 22 to this first extension 13 out there and forms an outer auxiliary electrode 23, which is thus electrically connected to the second main electrode 16 is connected.
  • This auxiliary electrode 23 can also as a conductive strip, e.g. as a conductive paint strip made of conductive silver or the like.
  • the ignition pulse transmitter 17, the burner vessel 10, the electronic components 19, the electrical connections 20, 21 and the outer line 22 are together with Injection molded plastic material to form the lamp base 11 or shed.
  • the lamp base 11 can the lamp in a socket for example one Motor vehicle headlights are inserted.
  • Fig. 2 is a possible circuit for a ballast shown.
  • the two electrical connections 20, 21 are connected in series via a first winding 24 of the ignition pulse transmitter 17 with the two main electrodes 15, 16 of the burner vessel 10 connected to one another.
  • the two electrical connections 20, 21 via the series connection of a capacitor 25 with a Resistor 26 connected. Is parallel to the capacitor 25 the series connection of a second winding 27 of the ignition pulse transmitter 17 switched with a spark gap 28.
  • the circuit shown in Fig. 2 merely represents one of many known options for such Ballast.
  • Other circuits for ballasts of gas discharge lamps are, for example, in "Lamps and Lighting", 2nd edition, S. T. Henderson and A. M. Marsden, p. 328 ff.
  • the lamp base 11 also as a prefabricated housing for Recording of the components, such as ignition pulse transmitters 17, Burner vessel 10, electrical components 19, electrical Connections 20, 21 and outer line 22 may be formed.
  • the auxiliary electrode 23 also omitted, have a different shape or as Electrode supplied separately with an ignition voltage be trained.

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 (10)

  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 pourvues d'un socle de lampe présentant les raccords électriques et un régulateur de la puissance de wattage électronique, qui fournit à la lampe la tension d'allumage et de fonctionnement nécessaire, disposé dans le socle de lampe,
    caractérisée en ce que
    le socle de lampe (11) pourvu du régulateur de la puissance de wattage 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 (20) au socle de la lampe (11) et est branché à cet endroit à un raccordement électrique correspondant.
  2. Lampe luminescente à gaz selon la revendication 1,
    caractérisée en ce que
    un composant d'allumage (17) à induction, contenu dans le régulateur de la puissance de wattage, en particulier un transformateur d'impulsions d'allumage, possède un noyau fermé (18).
  3. Lampe luminescente à gaz selon la revendication 2,
    caractérisée en ce que
    le noyau fermé (18) est un noyau annulaire.
  4. Lampe luminescente à gaz selon la revendication 2 ou 3,
    caractérisée en ce que
    le noyau fermé (18) entoure l'une des deux zones terminales (13) de l'ampoule (10) qui est pourvue d'un branchement d'électrodes.
  5. Lampe luminescente à gaz selon l'une des revendications précédentes,
    caractérisée en ce que
    les composants (17, 18), nécessaires au régulateur de la puissance de wattage, 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).
  6. Lampe luminescente à gaz selon la revendication 5,
    caractérisée en ce que
    les raccords électriques (20, 21) du socle de la lampe sont également injectés ou coulés en même temps.
  7. 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.
  8. Lampe luminescente à gaz selon la revendication 7,
    caractérisée en ce que
    l'électrode auxiliaire (23) est disposée à proximité de la première électrode principale (15) proche du socle.
  9. Lampe luminescente à gaz selon l'une des revendications 7 ou 8,
    caractérisée en ce que
    l'électrode auxiliaire (23) est constituée par un fil ou une lame conductrice à l'extérieur de l'ampoule (10).
  10. Lampe luminescente à gaz selon l'une des revendications 7 à 9,
    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
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 EP0886882A1 (fr) 1998-12-30
EP0886882B1 true 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)

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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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Also Published As

Publication number Publication date
DE19610385A1 (de) 1997-09-18
ES2148958T3 (es) 2000-10-16
DE59701814D1 (de) 2000-07-06
JP2000506673A (ja) 2000-05-30
EP0886882A1 (fr) 1998-12-30
EP0886882B2 (fr) 2005-04-13
WO1997035336A1 (fr) 1997-09-25
US6194834B1 (en) 2001-02-27

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