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WO2009092497A1 - Enceinte à décharge pour une lampe à décharge, et lampe à décharge pourvue d'une telle einceinte à décharge - Google Patents

Enceinte à décharge pour une lampe à décharge, et lampe à décharge pourvue d'une telle einceinte à décharge Download PDF

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Publication number
WO2009092497A1
WO2009092497A1 PCT/EP2008/067389 EP2008067389W WO2009092497A1 WO 2009092497 A1 WO2009092497 A1 WO 2009092497A1 EP 2008067389 W EP2008067389 W EP 2008067389W WO 2009092497 A1 WO2009092497 A1 WO 2009092497A1
Authority
WO
WIPO (PCT)
Prior art keywords
discharge
vessel
discharge vessel
free ends
connecting piece
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.)
Ceased
Application number
PCT/EP2008/067389
Other languages
German (de)
English (en)
Inventor
Friedrich Lauter
Joachim WIRTH-SCHÖN
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 WO2009092497A1 publication Critical patent/WO2009092497A1/fr
Anticipated expiration legal-status Critical
Ceased 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
    • H01J61/30—Vessels; Containers
    • H01J61/32—Special longitudinal shape, e.g. for advertising purposes
    • H01J61/327—"Compact"-lamps, i.e. lamps having a folded discharge path

Definitions

  • Discharge vessel for a discharge lamp and Entla ⁇ tion lamp with such a discharge vessel Discharge vessel for a discharge lamp and Entla ⁇ tion lamp with such a discharge vessel
  • the invention relates to a discharge vessel for a Ent ⁇ discharge lamp having a first curved vessel part and a second curved vessel part, which are connected at free ends with a connector. Furthermore, the invention relates to a discharge lamp with such a discharge vessel.
  • a discharge lamp with a helically shaped discharge vessel is known.
  • the discharge vessel is formed from two likewise helical vessel parts, which are guided into one another and are connected at free ends.
  • the geometry of the container parts in particular at the free ends to which they are connected, the connection piece is curved ⁇ straight or only slightly.
  • the transitions in the connection area are therefore not continuous and the interior design at this connection area has steps or edges.
  • the clamping with a protective layer for example an AlonC layer, and a phosphor layer can be made more difficult.
  • An inventive discharge vessel for a Entla pressure discharge lamp has a first, at least partially ge ⁇ curved-vessel part and a second, at least partially curved vessel part, wherein the are two vascular ⁇ parts at their free ends with a connector connected.
  • the connecting piece has a first portion with a first arcuate curvature and a second portion with a second arcuate curvature.
  • the arcuate curvatures of the two portions of the connector have opposite directions of curvature.
  • a binding region optimized connection with a view to avoiding a cross-sectional constriction in comparison can be made possible by this specifi ⁇ specific shaping of the connecting piece.
  • the two portions of the Verbin ⁇ extension piece are arranged adjacent to one another.
  • the bo ⁇ genförmigen curvatures go thus in particular continuously into one another, thus the direction of curvature processing smoothly and continuously from one to the other passes. As a result, a stepped area in the connector can be avoided.
  • the bogenförmi ⁇ gen curvatures of the partial regions have a same radius, so that the portions of the ⁇ are quasi analogous zueinan formed, but extend in opposite directions.
  • This symmetrical design of the connecting piece, the particularly before ⁇ ferred connection to the free ends of the container parts can be light enable, when these have at least in the area of connection with the connecting piece of the same geometry and are guided at least in one another.
  • connection piece ⁇ is given by an S-shape, in particular realized a symmetrical S-shape.
  • the two vessel parts are designed to be analogous in terms of their geometry and design and are guided into one another by their ge ⁇ curved design, fertilization can be particularly optimized by this shape of the connector and designed in view of the Vermei ⁇ tion of a cross-sectional minimization.
  • connection points of the connecting piece ⁇ with the free ends of the container parts are formed completely continuously. There is thus no kink and no bottleneck in the interior of the connection area and thus no cross-section reduction realized.
  • Such an edge-free design on the inside made ⁇ light even in the connection area a very precise and uniform Entemmung with a protective layer and / or a phosphor layer. Unwanted deviate ⁇ cations of the layer thicknesses compared to regions outside of this joint can be avoided, whereby the high functionality of the discharge lamp provided with the discharge vessel can be ensured.
  • the two radii and thus the sum of these two radii of the partial regions of the connecting piece correspond to the radius of a circle on which the free ends of the vessel parts are arranged opposite one another.
  • son ⁇ countries in particular are arranged symmetrically to a symmetry axis of the two vessel parts inclined, so a radius of a projection of the partial area in a plane perpendicular with the radius of a portion understood to Symmetrie ⁇ axis of the vessel parts.
  • this level are in the essentially arranged the free ends of the vessel parts.
  • a highly symmetrical configuration and a particularly suitable connection of the connecting piece to the free ends of the vessel parts can be ensured thereby.
  • this embodiment is particularly advantageous.
  • the connector with the free ends of the container parts is connected, which are arranged on the wholie ⁇ constricting side of those free ends, in which at least he stretches an electrode ⁇ into the interior of the discharge vessel and thus in the discharge space.
  • the vessel parts are at least partially wound helically.
  • a discharge lamp according to the invention comprises a ⁇ OF INVENTION dung discharge vessel invention or an advantageous design from ⁇ thereof.
  • the discharge lamp is designed as a compact fluorescent lamp and the discharge vessel is designed advantageously wound helically.
  • FIG. 1 is a schematic elevational view of an embodiment of a discharge lamp according to the invention
  • FIG. 2 is an elevational view of an embodiment of a discharge vessel according to the invention.
  • FIG. 3 is a plan view of the discharge vessel of FIG .. 2
  • a discharge lamp 1 is shown in a schematic elevational view, which is designed as a compact fluorescent lamp.
  • the design as well as the illustrated components of the discharge lamp 1 are merely exemplary, the design of the discharge vessel 2 in the region of connection points 5 of vessel parts 3 and 4 of the discharge vessel 2 is essential for the invention.
  • the discharge vessel 2 is tubular and designed as a helical shape.
  • the closest to ⁇ separately provided container parts 3 and 4 are also respectively wound helically and guided into each other. This means they have the same axis and at the free ends 15 and 16 (Fig. 3) connected by a separa ⁇ th connecting piece 6.
  • the discharge lamp 1 comprises a base 7, which has a housing ⁇ in which an operating device for the discharge lamp 1 can be arranged.
  • the discharge vessel 2 extends partially.
  • the discharge lamp 1 comprises a tube ⁇ piece, which is designed as a pump tube 8 and is connected to the discharge vessel 2.
  • the position and placement of the pump tube 8 which extends in the axial direction of the Entla ⁇ -making vessel 2 and bond steep with the discharge vessel 2 associated connection piece 6 in the area of supply 5 is connected as shown in FIG. 1.
  • the pumping tube 8 can also be connected to the discharge vessel 2 at another point, for example at the free ends 17 and 18 (FIG. 2) of the discharge vessel 2 opposite the connection points 5. At these free ends 17 and 18 extend according to FIG Embodiment electrodes 11 and 12 in the interior of the discharge vessel. 2
  • the embodiment of the discharge lamp 1 according to the depicting ⁇ lung in Fig. 1 is merely exemplary, and it may also comprise about beyond components, and instead of the illustrated components, other components.
  • ge ⁇ in a schematic elevational view of only the discharge vessel 2 of the discharge lamp 1 is ge ⁇ shows.
  • Hg sources (mercury sources) 9 and 10 in the form of spherical elements are shown by way of example in the pump tube 8.
  • This Hg sources 9 and 10 are in the loading ⁇ driving the discharge lamp 1 to generate the UV (Ultra violet ⁇ ) radiation responsible which the atoms and molecules of the phosphor layer on the inside the discharge vessel 2 is applied, stimulate them to emit visible light.
  • a protective layer in particular an AlonC layer, is applied.
  • the Entla ⁇ training vessel 2 is shown in a plan view from above.
  • the intertwined and HE lixförmigen container parts 3 and 4 are designed equal in Ausgestal ⁇ processing and the coils have the same radius rl on chen.
  • the free ends 15 and 16 are arranged gege ⁇ nüberod and have the same distance, namely the radius rl to the center M on.
  • the free ends 15 and 16 are designed so that they do not bend toward or away from the center M.
  • the connecting piece 6 is designed S-shaped in the exemplary embodiment and has a first portion 13 and a second portion 14.
  • the two partial regions 13 and 14 have the same shape and geometry and are each realized with the same curvature.
  • the radii of curvature of both partial regions 13 and 14 are represented by the radius r2 or the radius r3, which is equal to the radius r2.
  • the radii are measured from the centers N1 and N2.
  • the arcuate curvatures of the two portions 13 and 14 have by the S-shape opposite curvature ⁇ directions, wherein the direction of curvature merges at the center M of the one direction of curvature in the other direction of curvature.
  • connection points 5 which are marked in the illustration of FIG.
  • the connecting piece 6 is furthermore designed such that the sum of the two equal radii r 2 and r 3 corresponds to the radius r 1.
  • the connector 6 is connected to the Gefäßtei ⁇ len 3 and 4 at the connection points A and B with these inextricably merged, in particular with these.
  • Both the connecting piece 6 and the vessel parts 3 and 4 are formed from a glass material, in particular a same glass material.
  • This embodiment of the connector 6, a soft and uniform transition at the junctions A and B with the free ends 15 and 16 are designed. A change in the inner diameter at these connection points A and B compared to inner diameters outside of these connection points A and B can be prevented. In addition, a weakening of the wall thickness of the discharge vessel 2 at these connection points A and B can be prevented, or only a reduction of the wall thickness occurs, which is so minimal that it does not impair the mechanical stability of the discharge vessel 2. This allows advantages for the strength of the discharge 2 and the clamping of the inside of Entla ⁇ tion vessel 2 with a protective layer and a luminescent ⁇ material layer.

Landscapes

  • Vessels And Coating Films For Discharge Lamps (AREA)

Abstract

L'invention concerne une enceinte à décharge (1) pour une lampe à décharge, qui présente une première partie courbe d'enceinte (3) et une deuxième partie courbe d'enceinte (4) qui sont reliées à leurs extrémités libres (15, 16) par un élément de liaison (6). L'élément de liaison présente une première zone partielle (13) ayant une première courbure arquée et une deuxième zone partielle (14) ayant une deuxième courbure arquée. L'invention concerne également une lampe à décharge pourvue d'une telle enceinte à décharge.
PCT/EP2008/067389 2008-01-24 2008-12-12 Enceinte à décharge pour une lampe à décharge, et lampe à décharge pourvue d'une telle einceinte à décharge Ceased WO2009092497A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE200810005924 DE102008005924A1 (de) 2008-01-24 2008-01-24 Entladungsgefäß für eine Entladungslampe sowie Entladungslampe mit einem derartigen Entladungsgefäß
DE102008005924.2 2008-01-24

Publications (1)

Publication Number Publication Date
WO2009092497A1 true WO2009092497A1 (fr) 2009-07-30

Family

ID=40394338

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2008/067389 Ceased WO2009092497A1 (fr) 2008-01-24 2008-12-12 Enceinte à décharge pour une lampe à décharge, et lampe à décharge pourvue d'une telle einceinte à décharge

Country Status (2)

Country Link
DE (1) DE102008005924A1 (fr)
WO (1) WO2009092497A1 (fr)

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1994029895A1 (fr) * 1993-02-24 1994-12-22 Lee, Ok, Yun Tube de type en double spirale pour lampe fluorescente, et lampe fluorescente du type ampoule comprenant un tel tube demontable
DE19855240A1 (de) * 1998-11-30 2000-05-31 Walter Holzer Verfahren zur Herstellung von Spiralglaswendeln für Leuchtstofflampen mit achsparallelen Enden
EP1182688A1 (fr) * 2000-08-22 2002-02-27 General Electric Company Lampe à décharge à basse pression en forme d'hélice double
US20030223230A1 (en) * 2002-05-31 2003-12-04 Qingsong Li Compact fluorescent lamp
WO2004081969A1 (fr) * 2003-03-11 2004-09-23 Tian Zai Huang Lampe tube fluorescente helicoidale
DE102004018104A1 (de) * 2004-04-14 2005-11-10 Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH Gasentladungslampe mit Helixform des Entladungsrohres und innerem Rohrstück

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1994029895A1 (fr) * 1993-02-24 1994-12-22 Lee, Ok, Yun Tube de type en double spirale pour lampe fluorescente, et lampe fluorescente du type ampoule comprenant un tel tube demontable
DE19855240A1 (de) * 1998-11-30 2000-05-31 Walter Holzer Verfahren zur Herstellung von Spiralglaswendeln für Leuchtstofflampen mit achsparallelen Enden
EP1182688A1 (fr) * 2000-08-22 2002-02-27 General Electric Company Lampe à décharge à basse pression en forme d'hélice double
US20030223230A1 (en) * 2002-05-31 2003-12-04 Qingsong Li Compact fluorescent lamp
WO2004081969A1 (fr) * 2003-03-11 2004-09-23 Tian Zai Huang Lampe tube fluorescente helicoidale
DE102004018104A1 (de) * 2004-04-14 2005-11-10 Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH Gasentladungslampe mit Helixform des Entladungsrohres und innerem Rohrstück

Also Published As

Publication number Publication date
DE102008005924A1 (de) 2009-07-30

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