EP0930635B1 - Lampe à décharge haute pression à culot unique - Google Patents

Lampe à décharge haute pression à culot unique Download PDF

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Publication number
EP0930635B1
EP0930635B1 EP19980123142 EP98123142A EP0930635B1 EP 0930635 B1 EP0930635 B1 EP 0930635B1 EP 19980123142 EP19980123142 EP 19980123142 EP 98123142 A EP98123142 A EP 98123142A EP 0930635 B1 EP0930635 B1 EP 0930635B1
Authority
EP
European Patent Office
Prior art keywords
base
discharge vessel
discharge lamp
pressure discharge
tubular extension
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
EP19980123142
Other languages
German (de)
English (en)
Other versions
EP0930635A3 (fr
EP0930635A2 (fr
Inventor
Jürgen Becker
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 EP0930635A2 publication Critical patent/EP0930635A2/fr
Publication of EP0930635A3 publication Critical patent/EP0930635A3/fr
Application granted granted Critical
Publication of EP0930635B1 publication Critical patent/EP0930635B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J5/00—Details relating to vessels or to leading-in conductors common to two or more basic types of discharge tubes or lamps
    • H01J5/50—Means forming part of the tube or lamps for the purpose of providing electrical connection to it
    • H01J5/54—Means forming part of the tube or lamps for the purpose of providing electrical connection to it supported by a separate part, e.g. base
    • H01J5/56—Shape of the separate part
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J5/00—Details relating to vessels or to leading-in conductors common to two or more basic types of discharge tubes or lamps
    • H01J5/48—Means forming part of the tube or lamp for the purpose of supporting it
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J5/00—Details relating to vessels or to leading-in conductors common to two or more basic types of discharge tubes or lamps
    • H01J5/50—Means forming part of the tube or lamps for the purpose of providing electrical connection to it
    • H01J5/54—Means forming part of the tube or lamps for the purpose of providing electrical connection to it supported by a separate part, e.g. base
    • H01J5/58—Means for fastening the separate part to the vessel, e.g. by cement
    • H01J5/60—Means for fastening the separate part to the vessel, e.g. by cement for fastening by mechanical means
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J61/00—Gas-discharge or vapour-discharge lamps
    • H01J61/02—Details
    • H01J61/30—Vessels; Containers
    • H01J61/34—Double-wall vessels or containers

Definitions

  • the invention relates to a single-ended high-pressure discharge lamp according to the preamble of patent claim 1.
  • Such a high pressure discharge lamp is for example in the European patent application EP 0 786 791 disclosed.
  • the high-pressure discharge lamp described here has a base constructed from a base sleeve and from a base inner part, wherein the base sleeve and the base inner part each consist of an electrically insulating plastic and are fastened to one another by means of two metal parts.
  • the high-pressure discharge lamp also has a discharge vessel sealed on both sides with a socket-near end and a socket-remote end, as well as a tubular extension, wherein the tubular extension is integrally formed on the socket-near end.
  • the discharge vessel is surrounded by an outer bulb, which is melted on the discharge vessel and has a tubular extension.
  • the tubular extension of the outer bulb surrounds the tubular extension of the discharge vessel at a distance.
  • the assembly consisting of the discharge vessel and the outer bulb is anchored in a recess of the base inner part, which is matched in a way that fits the tubular extension.
  • the arranged within the discharge vessel, serving to generate a gas discharge electrodes are supplied by means of two power supply lines with electrical energy.
  • the sockelnahe power supply runs within of the tubular extension of the discharge vessel, while the socket remote power supply is connected to a recirculated to the base current return.
  • the current return is partially wrapped by a ceramic tube and fixed at one end in a second recess of the base.
  • the publication EP 0 639 849 A1 describes a high-pressure discharge lamp with a base and a discharge vessel, which is surrounded by an outer bulb.
  • the base has a ceramic stone with a recess for the discharge vessel and with an annular collar.
  • the collar is arranged between the discharge vessel and the outer bulb.
  • the single-ended high-pressure discharge lamp according to the invention has a discharge vessel which is sealed at two ends and has a tubular extension formed on the base of the discharge vessel and with electrodes arranged inside the discharge vessel for generating a light-emitting gas discharge.
  • the electrodes are each electrically connected to a led out of the discharge vessel power supply.
  • the discharge vessel is surrounded by an outer bulb attached to the discharge vessel, which has a tubular extension.
  • the tubular extension of the outer bulb surrounds the tubular extension of the discharge vessel at a distance.
  • the base of the high-pressure discharge lamp according to the invention has a receiving device for the tubular extension of the outer bulb.
  • a collar formed on the base is arranged in the receiving device, which collar is arranged between the tubular extension of the discharge vessel and the tubular extension of the outer bulb is disposed and which abuts against the inside of the tubular extension.
  • This collar ensures centering of the assembly consisting of the discharge vessel and the outer bulb in the base of the lamp.
  • the existing of an electrically insulating material collar improves the electrical insulation of running in the tubular extension near the socket power supply and thus increases the high voltage resistance of the base.
  • the collar is also on the outside of the tubular extension of the discharge vessel, so as to further improve the electrical insulation of the sockelnahen power supply.
  • the receiving device is advantageously equipped with an annular recess which serves as a depth stop for the tubular extension of the outer bulb.
  • the base of the high-pressure discharge lamp according to the invention advantageously consists of a base sleeve and a socket inner part fastened therein by means of metal parts, the receiving device for the tubular extension of the outer bulb advantageously being arranged in the base inner part.
  • the base of the high-pressure discharge lamp according to the invention is advantageously provided with a second receiving device in order to fix therein connected to the socket remote power supply current return.
  • the current return is advantageously, for the purpose of electrical insulation, partially surrounded by a ceramic tube.
  • a portion of the current return loop enclosed by the ceramic tube is advantageously arranged in the second receiving device, as is that the electrical insulation of the current return is further improved by the surrounding insulating material of the base inner part.
  • the figure shows a side view of a single ended high pressure discharge lamp according to the preferred embodiment of the invention in a partially sectioned view.
  • the preferred embodiment is a single ended high pressure discharge lamp intended for use in a motor vehicle headlight.
  • This lamp has a soffittenartiges discharge vessel 100 with a gas-tight discharge chamber 103, a socket near 101 and a sockelfernen 102 squeezing.
  • a soffittenartiges discharge vessel 100 with a gas-tight discharge chamber 103, a socket near 101 and a sockelfernen 102 squeezing.
  • Into the discharge space 103 protrude two electrodes 104, 105, which are electrically conductively connected in each case via a molybdenum foil 106, 107 melted gas-tight in the pinch end 101, 102, respectively, to a power supply 108, 109 led out of the pinch end 101, 102.
  • the lamp base has a base made of a plastic injection molding base sleeve 110 and disposed within the base sleeve 110, adjustable, also consisting of a plastic injection molding base inner part 111.
  • the end of the base sleeve 110 remote from the discharge vessel 100 has two electrical contacts 112, 113.
  • the center contact 112 is connected in an electrically conductive manner to the power supply 108 led out from the squeeze close to the base, while the other, annular electrical contact 113 is electrically conductively connected to the current supply 109 protruding from the squeeze-off end 102 remote from the socket 102 by a current return 115 surrounded by a ceramic tube 114.
  • the discharge vessel 100 is surrounded by a cylindrical, approximately coaxial with the discharge vessel 100 arranged outer bulb 116 which is melted to the sockel distant crimping end 102 and to a extending into the base shell 110, tubular extension 118 of the discharge vessel 100.
  • the outer bulb 116 is provided with a tubular extension 119 which partially surrounds the tubular extension 118 of the discharge vessel 100.
  • the tubular extension 119 of the outer bulb 116 in a recess formed as a receiving device of the socket inner part 111 by means of a socket inner part 111 integrated, the tubular extension 119 of the outer bulb 116 enclosing Metallmanschette 120 which is heated with a high-frequency induction signal, so that the plastic 127 disposed between the tubular extension 119 and the metal collar 120 melts, melts.
  • the receiving device of the base inner part 111 has an annular circumferential, integrally formed on the base inner part 111 collar 125, which abuts both the inside of the tubular extension 119 of the outer bulb and on the outside of the tubular extension 118 of the discharge vessel 100.
  • the collar 125 forms with the base inner part 111 in the region of the receiving device an annular recess which serves as a depth stop for the tubular extension 119 of the outer bulb 116.
  • the base sleeve 110 is pot-shaped.
  • the base inner part 111 is arranged completely in the interior 117 of the base sleeve 110.
  • the outer wall of the base inner part 111 is partially formed by an annular, the base inner part 111 surrounding metal part 121 which is anchored in the base inner part 111.
  • a metal ring 122 is embedded, which has four integrally formed welding lugs 123.
  • These four welding lugs 123 protrude into the interior 117 of the base sleeve 110 and, when the base inner part 111 is inserted, lie in the base sleeve 110 and during the subsequent adjustment of the lamp resiliently against the annular metal part 121 of the base inner part 111. After completion of the adjustment, the welding lugs 123 are welded to the annular metal part 121 and thereby the base inner part 111 and the base sleeve 110 are connected together in the adjusted position. So that the welding lugs 123 are accessible to the welding tools, the base sleeve wall 110 in the region of the welding lugs 123 each have an opening 124.
  • the figure shows one of the four welding lugs 123 with dashed lines, since this is normally hidden in the view chosen here by the annular metal part 121.
  • the annular metal part 121 and the metal collar 120 define an annular groove in the socket inner part 111, in which a conductor loop (not shown) is briefly inserted for the purpose of high-frequency-induced heating of the metal sleeve 120.
  • the welding vanes 123 are angled away from the metal ring 122 and project into the interior 117 of the base sleeve 110.
  • the side wall of the cup-like base sleeve 110 has an opening 124 in the region of the welding lugs 123.
  • the base inner part 111 also has a second, formed as a breakthrough receiving device for the current return 115.
  • a portion of the current return 115 enclosed by the ceramic tube 114 is arranged, so that the insulating material of the socket inner part 111 improves the electrical insulation of the current return 115 against the other metal parts arranged in the socket.

Landscapes

  • Common Detailed Techniques For Electron Tubes Or Discharge Tubes (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
  • Vessels And Coating Films For Discharge Lamps (AREA)

Claims (7)

  1. Lampe à décharge haute pression à culot unique comprenant
    - un récipient de décharge (100) étanchéifié sur deux extrémités, comprenant une extrémité (101) proche du culot et une extrémité (102) éloignée du culot ainsi qu'un prolongement (118) en forme de tube formé sur l'extrémité (101) proche du culot,
    - au moins deux électrodes (104 ; 105) destinées à générer une décharge de gaz émettant de la lumière,
    - une ampoule extérieure (116) fixée sur le récipient de décharge (100), laquelle entoure au moins en partie le récipient de décharge (100), l'ampoule extérieure (116) possédant un allongement (119) en forme de tube, lequel entoure avec écart le prolongement (118) en forme de tube du récipient de décharge (100),
    - un culot (110 ; 111) en matière plastique isolant électriquement, comprenant un premier (112) et un deuxième contact de culot électrique (113), le culot (110 ; 111) possédant un dispositif de logement dans lequel est fixé l'allongement (119) en forme de tube,
    - une alimentation en courant (108) proche du culot, qui est menée hors de l'extrémité (101) proche du culot du récipient de décharge (100), s'étend à l'intérieur du prolongement (118) en forme de tube et relie de manière électro-conductrice une première électrode (105) au premier contact de culot (112),
    - une alimentation en courant (109) éloignée du culot, qui est menée hors de l'extrémité (102) éloignée du culot du récipient de décharge (100) et qui relie de manière électro-conductrice une deuxième électrode (104) au deuxième contact de culot (113) par l'intermédiaire d'un retour de courant (115) ramené vers le culot (110 ; 111), s'étendant à l'extérieur de l'ampoule extérieure (116),
    caractérisée en ce que le dispositif de logement présente un col (125) formé sur le culot (110 ; 111), lequel col est disposé entre le prolongement (118) en forme de tube du récipient de décharge (100) et l'allongement (119) en forme de tube de l'ampoule extérieure (116) et est adjacent au côté intérieur de l'allongement (119) en forme de tube ainsi qu'au côté extérieur du prolongement (118) en forme de tube du récipient de décharge (100).
  2. Lampe à décharge haute pression à culot unique selon la revendication 1, caractérisée en ce que le dispositif de logement présente un approfondissement annulaire qui sert de butée en profondeur à l'allongement (119) en forme de tube de l'ampoule extérieure (116).
  3. Lampe à décharge haute pression à culot unique selon la revendication 1, caractérisée en ce que le culot (110 ; 111) possède une douille de culot (110) constituée d'une matière isolant électriquement et une partie intérieure de culot (111) constituée d'une matière isolant électriquement, la partie intérieure de culot (111) étant fixée sur la douille de culot (110) à l'aide de pièces métalliques (121 ; 122 ; 123).
  4. Lampe à décharge haute pression à culot unique selon la revendication 2, caractérisée en ce que le dispositif de logement est disposé dans la partie intérieure de culot (111).
  5. Lampe à décharge haute pression à culot unique selon la revendication 1, caractérisée en ce que le culot (110 ; 111) possède un second dispositif de logement pour le retour du courant (115).
  6. Lampe à décharge haute pression à culot unique selon la revendication 5, caractérisée en ce que le retour du courant (115) est entouré au moins par sections par un tube en céramique (114).
  7. Lampe à décharge haute pression à culot unique selon la revendication 6, caractérisée en ce qu'une section du retour du courant (115) enrobée par le tube en céramique (114) est entourée par la matière isolante de la partie intérieure de culot (111).
EP19980123142 1998-01-20 1998-12-04 Lampe à décharge haute pression à culot unique Expired - Lifetime EP0930635B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE29800687U DE29800687U1 (de) 1998-01-20 1998-01-20 Einseitig gesockelte Hochdruckentladungslampe
DE29800687U 1998-01-20

Publications (3)

Publication Number Publication Date
EP0930635A2 EP0930635A2 (fr) 1999-07-21
EP0930635A3 EP0930635A3 (fr) 1999-09-08
EP0930635B1 true EP0930635B1 (fr) 2012-07-25

Family

ID=8051343

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19980123142 Expired - Lifetime EP0930635B1 (fr) 1998-01-20 1998-12-04 Lampe à décharge haute pression à culot unique

Country Status (4)

Country Link
EP (1) EP0930635B1 (fr)
JP (1) JP4124532B2 (fr)
CA (1) CA2258408A1 (fr)
DE (1) DE29800687U1 (fr)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6356009B1 (en) 1999-03-01 2002-03-12 Osram Sylvania Inc. Lamp with a slip on envelope retainer and clamp ring
US6622111B1 (en) 2000-03-08 2003-09-16 Advanced Micro Devices, Inc. Wafer rotation in semiconductor processing
DE10143714C1 (de) * 2001-08-30 2002-12-19 Siemens Ag Lampe mit einem Lampenkörper und außen an diesem entlang geführter Leitungszuführung sowie Verfahren zu deren Herstellung
DE10260129A1 (de) * 2002-12-19 2004-07-01 Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH Beleuchtungseinheit
DE10260125A1 (de) * 2002-12-19 2004-07-01 Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH Beleuchtungseinheit
DE102006014294A1 (de) * 2006-03-28 2007-10-04 Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH Elektrische Lampe
US8729802B2 (en) 2010-01-28 2014-05-20 Koninklijke Philips N.V. Burner with reduced height and method of manufacturing a burner
DE102011082324B4 (de) 2011-09-08 2018-05-17 Osram Gmbh Hochdruckentladungslampe mit mäanderförmiger und ringförmiger Isolierung

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2600052B2 (ja) * 1993-08-17 1997-04-16 株式会社旭電気製作所 自動車用前照灯の放電管用口金
DE19602625A1 (de) * 1996-01-25 1997-07-31 Patent Treuhand Ges Fuer Elektrische Gluehlampen Mbh Elektrische Lampe
JP2965920B2 (ja) * 1996-12-06 1999-10-18 スタンレー電気株式会社 片端子型放電ランプ

Also Published As

Publication number Publication date
JPH11283403A (ja) 1999-10-15
EP0930635A3 (fr) 1999-09-08
JP4124532B2 (ja) 2008-07-23
CA2258408A1 (fr) 1999-07-20
EP0930635A2 (fr) 1999-07-21
DE29800687U1 (de) 1999-05-20

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