EP1147534A1 - Lampe a decharge - Google Patents

Lampe a decharge

Info

Publication number
EP1147534A1
EP1147534A1 EP00982960A EP00982960A EP1147534A1 EP 1147534 A1 EP1147534 A1 EP 1147534A1 EP 00982960 A EP00982960 A EP 00982960A EP 00982960 A EP00982960 A EP 00982960A EP 1147534 A1 EP1147534 A1 EP 1147534A1
Authority
EP
European Patent Office
Prior art keywords
lamp
base
vessel
discharge
discharge lamp
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
EP00982960A
Other languages
German (de)
English (en)
Other versions
EP1147534B1 (fr
Inventor
Peter Helbig
Uwe Kantim
Gerwin Thiel
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 EP1147534A1 publication Critical patent/EP1147534A1/fr
Application granted granted Critical
Publication of EP1147534B1 publication Critical patent/EP1147534B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J61/00—Gas-discharge or vapour-discharge lamps
    • H01J61/02—Details
    • 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
    • H01J5/62—Connection of wires protruding from the vessel to connectors carried by the separate part

Definitions

  • the invention relates to a discharge lamp according to the preamble of patent claim 1.
  • Such a discharge lamp is disclosed, for example, in German patent DE 197 18 395 Cl.
  • This patent describes a fluorescent lamp with a tubular discharge vessel and an inert gas enclosed therein.
  • This lamp has elongated electrodes that run parallel to the longitudinal axis of the lamp and are used to generate a gas discharge. At least one of these electrodes has a section which leads out of the interior of the discharge vessel and is developed as a power supply and is attached to the inner wall of the tubular discharge vessel.
  • the lamp base is equipped with two contact pins, each of which is electrically conductively connected to one of the lamp electrodes.
  • the discharge lamp according to the invention is distinguished from a generic discharge lamp in that its base contacts are each connected to an electrically conductive spring element, each spring element on the The wall of the at least one tube-like lamp vessel rests and makes electrical contact between a section of a lamp electrode arranged outside the lamp vessel and having a base contact.
  • the spring elements ensure reliable electrical contact between the base contacts and the electrode sections arranged outside the lamp vessel and simple base of the discharge lamp.
  • the spring elements are advantageously designed as leaf springs with curved ends, the curved leaf spring ends each being in electrical contact with one of the aforementioned electrode sections.
  • the curvatures ensure a sufficiently large contact area between the leaf springs and the electrode sections and prevent damage to the surface of the electrode sections.
  • the leaf springs are advantageously each provided with at least one expansion loop, by means of which the different thermal expansion coefficients of the lamp vessel and the leaf springs are taken into account.
  • the spring elements are advantageously each connected to the corresponding electrode section by a soldered connection.
  • the soldered connection has the advantage over a welded connection that, when the base sleeve is attached to the lamp vessel, it can be produced by high-frequency induced heating of the base contacts if the electrode sections arranged outside the at least one lamp vessel or the spring elements have previously been coated with solder paste or have been tinned ,
  • a first end of the at least one lamp vessel is equipped with a base sleeve which is provided as part of the lamp base with the at least two base contacts, the base contacts each being connected to an electrode section which leads out of the first end of the at least one lamp vessel ,
  • the electrodes are therefore supplied with power exclusively via the first end of the at least one lamp vessel.
  • the base sleeve or the base sleeves of the lamp base advantageously consist of an electrically insulating, thermoplastic material. This enables the base sleeve or the base sleeves to fuse with the ends of the at least one lamp vessel.
  • the lamp base advantageously has at least one base sleeve with a cup-like receptacle for one end of the at least one lamp base, the diameter of which is matched to the outer diameter of the corresponding end and in which the spring elements are arranged.
  • the cup-like receptacle on the one hand offers the spring elements adequate protection against damage and contact and on the other hand enables the spring elements to be positioned precisely relative to the corresponding end of the at least one lamp vessel and the electrode sections which are arranged on the inner wall and are designed as a power supply.
  • Each base sleeve advantageously has a means suitable for high-frequency-induced heating, which is arranged in each case in an annular groove surrounding the receptacle of the corresponding base sleeve.
  • These means can be obtained by high-frequency induction voltage pulses are heated so that the thermoplastic material of the base sleeve melts in the region of the groove and forms a fusion connection with the at least one lamp vessel after hardening.
  • An electrically insulating means can advantageously be arranged between the spring elements arranged in the same receptacle.
  • FIG. 1 shows a cross section through a socketed end of the discharge vessel of a discharge lamp according to the preferred embodiment
  • FIG. 2 shows a plan view of the base sleeve of a discharge lamp equipped with the base contacts according to the preferred exemplary embodiment
  • the discharge lamp according to the preferred exemplary embodiment is a gas discharge lamp which has a noble gas or a noble gas mixture as the discharge medium.
  • the discharge lamp has a rod-shaped, tubular and gas-tight discharge vessel 1 made of glass.
  • One end 13 of the discharge vessel 1 is sealed gas-tight by means of a stopper 10 and glass solder, while the other end (not shown) has been melted off.
  • the discharge medium is enclosed in the interior 11 of the discharge vessel 1.
  • the sealing plug 10 has a pump stem 12, via which the discharge medium was filled into the interior 11 of the discharge vessel 1, and which was then sealed off in a gastight manner.
  • two mutually opposite strip-shaped, conductor-like electrodes 2, 3 are applied, which are used to generate a gas discharge in the interior 11 of the discharge vessel 1.
  • the electrodes 2, 3 are coated with a dielectric 14, for example with a thin glass layer and / or a phosphor layer. For this reason, a forms between the electrodes 2, 3 in the discharge lamp during operation dielectric barrier discharge.
  • the electrodes 2, 3 each have a section 20, 30 which extends through the closure 10 and protrudes from the interior 11 of the discharge vessel 1 and which lies outside the discharge space 11, in the region of a discharge vessel end 13, on the inner wall of the discharge vessel 1.
  • Both electrode sections 20, 30 serve as a power supply for the sections of the electrodes 2, 3 arranged within the discharge space 11.
  • Both ends 13 of the tubular discharge vessel 1 are provided with a base sleeve 4 consisting of an electrically insulating, thermoplastic material, which together form the lamp base , Only one of the two base sleeves 4 is equipped with the electrical base contacts 5, 6 designed as contact pins.
  • Both base sleeves 4 have a cup-like receptacle 40 for each end 13 of the discharge vessel 1.
  • the diameter of the receptacle 40 of each socket sleeve 4 is matched to the outer diameter of the respective end 13 of the discharge vessel 1.
  • both base sleeves 4 are provided with depth stops 41 which determine the immersion depth of the discharge vessel ends 13 in the receptacle 40.
  • both base sleeves 4 have a preferably ferromagnetic metal ring 7 which is arranged in a groove 42 which surrounds the receptacle 40 in an annular manner. These metal rings 7 serve to produce a permanent melt connection between the thermoplastic material of the base sleeves 4 and the outer wall of the discharge vessel ends 13 by means of high-frequency induction voltage pulses.
  • Arranged in the receptacle 40 of one of the two base sleeves 4 are two metallic leaf springs 8, 9, which produce an electrical connection between a contact pin 5 and 6 and an electrode section 20 and 30, respectively.
  • the two leaf springs 8, 9 each have a curved end 80, 90, each of which resiliently abuts against one of the electrode sections 20 and 30 and is soldered to the latter.
  • the other end of the leaf springs is clipped onto a base pin 5, 6 and soldered or welded to it.
  • Both batt springs 8, 9 also have an expansion loop 81, 91 which is formed by an approximately U-shaped section of the spring 8, 9.
  • the discharge lamp can also have more than just two electrodes own and each of the base sleeves can be equipped with electrical contacts so that the electrode sections serving as current leads can be led out from both discharge vessel ends.
  • the invention can also be applied to discharge lamps which have electrodes attached to the outer wall of the at least one tubular lamp vessel. In this case, the spring elements rest on the outer wall of the lamp vessel.

Landscapes

  • Common Detailed Techniques For Electron Tubes Or Discharge Tubes (AREA)
  • Vessels And Coating Films For Discharge Lamps (AREA)
  • Lighting Device Outwards From Vehicle And Optical Signal (AREA)
  • Circuit Arrangements For Discharge Lamps (AREA)
EP00982960A 1999-10-28 2000-10-06 Lampe a decharge Expired - Lifetime EP1147534B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE19951873 1999-10-28
DE19951873A DE19951873A1 (de) 1999-10-28 1999-10-28 Entladungslampe
PCT/DE2000/003518 WO2001031670A1 (fr) 1999-10-28 2000-10-06 Lampe a decharge

Publications (2)

Publication Number Publication Date
EP1147534A1 true EP1147534A1 (fr) 2001-10-24
EP1147534B1 EP1147534B1 (fr) 2006-06-21

Family

ID=7927129

Family Applications (1)

Application Number Title Priority Date Filing Date
EP00982960A Expired - Lifetime EP1147534B1 (fr) 1999-10-28 2000-10-06 Lampe a decharge

Country Status (10)

Country Link
US (1) US6642640B1 (fr)
EP (1) EP1147534B1 (fr)
JP (1) JP2003513414A (fr)
KR (1) KR100773169B1 (fr)
AT (1) ATE331296T1 (fr)
CA (1) CA2354617C (fr)
DE (2) DE19951873A1 (fr)
ES (1) ES2267592T3 (fr)
TW (1) TW490707B (fr)
WO (1) WO2001031670A1 (fr)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE50107571D1 (de) * 2001-07-04 2006-02-09 Blv Licht & Vakuumtechnik Sockelanordnung für eine elektrische Lampe
DE10133326A1 (de) * 2001-07-10 2003-01-23 Patent Treuhand Ges Fuer Elektrische Gluehlampen Mbh Dielektrische Barrieren-Entladungslampe mit Zündhilfe
US6670746B2 (en) * 2001-12-12 2003-12-30 Thomson Licensing S.A. Cathode ray tube electrical connector with through passage and leaf springs
EP1709709A2 (fr) * 2004-01-22 2006-10-11 Koninklijke Philips Electronics N.V. Lampe et procede permettant de fixer un bruleur sur le culot d'une lampe
DE102004038346A1 (de) * 2004-08-06 2006-03-16 Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH Lötfreie Kontaktierung dielektrisch behinderter Entladungslampen
DE202006001907U1 (de) * 2006-02-07 2006-04-13 Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH Entladungslampe mit vergossenem Sockel
JP5051042B2 (ja) * 2008-07-29 2012-10-17 ウシオ電機株式会社 エキシマランプ
JP5561293B2 (ja) * 2012-03-13 2014-07-30 ウシオ電機株式会社 色素増感型太陽電池

Family Cites Families (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2050692A5 (fr) 1969-06-20 1971-04-02 Lampyre
US4575656A (en) * 1980-12-08 1986-03-11 Gte Products Corporation Starting aid for non-linear discharge lamps and method of making same
US4358701A (en) * 1980-12-08 1982-11-09 Gte Products Corporation Discharge lamps having internal starting aid capacitively coupled to one of the electrodes
US4644220A (en) * 1984-12-06 1987-02-17 Carley Filament-centering mounting for flashlight bulbs
SE8500648D0 (sv) * 1985-02-12 1985-02-12 Lumalampan Ab Anordning vid lysror
US4786841A (en) * 1987-06-22 1988-11-22 Gte Products Corporation Low-pressure arc discharge lamp having increased surface brightness
JPH025291U (fr) * 1988-06-22 1990-01-12
DE4014745A1 (de) * 1990-05-08 1991-11-14 Patent Treuhand Ges Fuer Elektrische Gluehlampen Mbh Einseitig gesockelte elektrische lampe
DE69106996D1 (de) * 1990-09-28 1995-03-09 Philips Electronics Nv Gesockelte Hochdruckentladungslampe und Lampenfassung für diese Lampe.
US5239226A (en) * 1990-12-14 1993-08-24 General Electric Company Replaceable lamp assembly for automotive headlamps
US5818500A (en) * 1991-05-06 1998-10-06 Eastman Kodak Company High resolution field emission image source and image recording apparatus
DE9206294U1 (fr) * 1992-05-11 1992-07-02 Patent-Treuhand-Gesellschaft Fuer Elektrische Gluehlampen Mbh, 8000 Muenchen, De
CA2110005A1 (fr) * 1992-12-28 1994-06-29 Jon B. Jansma Lampe fluorescente ayant une couche conductrice haute resistance et methode de fabrication
US5602444A (en) * 1995-08-28 1997-02-11 General Electric Company Fluorescent lamp having ultraviolet reflecting layer
JP3082638B2 (ja) * 1995-10-02 2000-08-28 ウシオ電機株式会社 誘電体バリア放電ランプ
DE19701195A1 (de) * 1997-01-15 1998-07-16 Patent Treuhand Ges Fuer Elektrische Gluehlampen Mbh Kompakte Niederdruckentladungslampe
DE19718395C1 (de) 1997-04-30 1998-10-29 Patent Treuhand Ges Fuer Elektrische Gluehlampen Mbh Leuchtstofflampe und Verfahren zu ihrem Betrieb
JP3218561B2 (ja) * 1997-06-27 2001-10-15 スタンレー電気株式会社 蛍光ランプ

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO0131670A1 *

Also Published As

Publication number Publication date
CA2354617C (fr) 2008-04-29
JP2003513414A (ja) 2003-04-08
ATE331296T1 (de) 2006-07-15
EP1147534B1 (fr) 2006-06-21
CA2354617A1 (fr) 2001-05-03
US6642640B1 (en) 2003-11-04
TW490707B (en) 2002-06-11
WO2001031670A1 (fr) 2001-05-03
DE50013052D1 (de) 2006-08-03
ES2267592T3 (es) 2007-03-16
KR100773169B1 (ko) 2007-11-02
KR20010089734A (ko) 2001-10-08
DE19951873A1 (de) 2001-05-03

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