EP1492146B1 - Procédé pour la fabrication d'une lampe électrique avec ampoule exterieure - Google Patents

Procédé pour la fabrication d'une lampe électrique avec ampoule exterieure Download PDF

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Publication number
EP1492146B1
EP1492146B1 EP04012809A EP04012809A EP1492146B1 EP 1492146 B1 EP1492146 B1 EP 1492146B1 EP 04012809 A EP04012809 A EP 04012809A EP 04012809 A EP04012809 A EP 04012809A EP 1492146 B1 EP1492146 B1 EP 1492146B1
Authority
EP
European Patent Office
Prior art keywords
contact zone
outer bulb
pumping hole
extension part
process 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
EP04012809A
Other languages
German (de)
English (en)
Other versions
EP1492146A2 (fr
EP1492146A3 (fr
Inventor
Jürgen Gräf
Andreas Dr. Hohlfeld
Michael Hülsemann
Anton Schlögl
Karen Twesten
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 EP1492146A2 publication Critical patent/EP1492146A2/fr
Publication of EP1492146A3 publication Critical patent/EP1492146A3/fr
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Publication of EP1492146B1 publication Critical patent/EP1492146B1/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
    • H01J61/00—Gas-discharge or vapour-discharge lamps
    • H01J61/02—Details
    • H01J61/30—Vessels; Containers
    • H01J61/34—Double-wall vessels or containers
    • 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
    • H01J5/52—Means forming part of the tube or lamps for the purpose of providing electrical connection to it directly applied to or forming part of the vessel
    • 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
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J61/00—Gas-discharge or vapour-discharge lamps
    • H01J61/02—Details
    • H01J61/36—Seals between parts of vessels; Seals for leading-in conductors; Leading-in conductors
    • H01J61/366—Seals for leading-in conductors
    • H01J61/368—Pinched seals or analogous seals
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J9/00—Apparatus or processes specially adapted for the manufacture, installation, removal, maintenance of electric discharge tubes, discharge lamps, or parts thereof; Recovery of material from discharge tubes or lamps
    • H01J9/24—Manufacture or joining of vessels, leading-in conductors or bases
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J9/00—Apparatus or processes specially adapted for the manufacture, installation, removal, maintenance of electric discharge tubes, discharge lamps, or parts thereof; Recovery of material from discharge tubes or lamps
    • H01J9/24—Manufacture or joining of vessels, leading-in conductors or bases
    • H01J9/245—Manufacture or joining of vessels, leading-in conductors or bases specially adapted for gas discharge tubes or lamps
    • H01J9/247—Manufacture or joining of vessels, leading-in conductors or bases specially adapted for gas discharge tubes or lamps specially adapted for gas-discharge lamps

Definitions

  • the invention relates to a method for producing an electric lamp with outer bulb according to the preamble of claim 1. It is in particular to discharge lamps such as metal halide lamps, but also to halogen incandescent lamps.
  • a manufacturing method for an electric lamp with an outer bulb in which the outer bulb does not completely surround the inner vessel. Similar procedures are in DE-A 101 59 379 and EP-A 481 702 described. A variant with a completely surrounding the inner vessel outer bulb is, for example, in EP-A 465 083 specified.
  • a method for producing a cap band for discharge lamps is known, wherein the cap band is a carrier tape with a material to be introduced into the lamp, in particular mercury and / or getter material as a coating. This unit is often referred to as a getter tape. As the field of application for such getter and cap bands exclusively the discharge vessel of a low-pressure mercury lamp is seen there. Frequently, the getter or cap band is attached in the vicinity of an electrode, see also US Pat. No. 6,043,603 ,
  • the manufacturing method according to the invention for an electric lamp with an outer bulb and an inner vessel relates primarily to metal halide lamps. But it may also be a halogen bulb with outer bulb.
  • a key point is that the outer bulb is attached directly to the inner vessel, so that no electrode systems for the outer bulb and no holders for power supply through the outer bulb are needed.
  • On a frame can be omitted.
  • a cementless base is desired, with no ceramic base parts.
  • the contacts of the socket are also suitable as holders of the power supply lines.
  • Known pumping stem techniques are radically eliminated, both in the inner vessel and in the outer bulb.
  • On protective covers for the power supply in the outer bulb can be omitted. The same applies to the necessary for expansion compensation V-shaped loop on the power supply in the outer bulb.
  • Suitable methods for introducing a part of the contact zone are in particular squeezing, rolling or dropping due to the application of a pressure difference, possibly with additional rolling or squeezing.
  • a preferred embodiment is designed such that the part of the contact zone to be closed lies at the level of the pumping hole, so that the pumping hole is closed even at step h.
  • Another preferred embodiment is that the part to be closed of the contact zone is within the height of the pumping hole, so that the pumping hole is not closed even at step h.
  • the method can be applied in particular to lamps in which the inner vessel and the outer bulb each have a single opening.
  • the method can be applied in particular to lamps in which the inner vessel and the outer bulb each have an additional second opening.
  • either a new roll-back can be used, wherein advantageously the area to be rolled-up has already been brought to a significantly smaller diameter in the first roll-on operation.
  • the pumping hole can also be closed by simply closing it after suitable heating by application of negative pressure.
  • Another alternative is the application of vacuum or vacuum with subsequent squeezing or rolling.
  • a proven technique of heating is by laser beam, or by plasma heating, or any other established technique.
  • a typical application of the method is with metal halide lamps and halogen incandescent lamps.
  • FIG. 1 shows schematically the side view of a two-sided closed metal halide lamp 1.
  • the designed as a barrel body discharge vessel 2 made of quartz glass includes two electrodes 3 together with a metal halide filling.
  • the piston ends are sealed by melts 4, are embedded in the foils 5. These are connected to external power supply lines 6.
  • the outer power supply 6 is guided in a tubular sleeve 7, which forms an extension part, and ends in a socket 8 of a base part 9.
  • the base part 9 is for example made in one piece from steel and also comprises a circular disk 10 as a contact element and barbs 11 as centering and Bracket.
  • the bulbous part of the discharge vessel is surrounded by an outer bulb 12, which is rolled up in the region of the transition between the melt 4 and the sleeve 7 and forms a contact zone KO (13).
  • the outer bulb 12 has a circumferential dent 14, so that an elastic carrier tape 15 made of stainless steel or nickel-plated iron is spread on the inner surface of the outer bulb without being able to slip sideways.
  • the carrier tape contains getter materials such as Zr, Fe, V, Co. They serve to absorb various substances such as oxygen, hydrogen, or the like.
  • the outer bulb can be filled with nitrogen, another inert gas or vacuum.
  • the contact zone KO is completely on the inner vessel.
  • a film 19 may be attached to the rear end of the extension part, which is sealed by means of a pinch 21 '.
  • a manufacturing method is as follows Fig. 2 described: it is first the discharge vessel 2 so far from a cylindrical tube by means of a forming roller and possibly crimping jaws, each fix a introduced into the still open tube electrode system, for example by squeezing, completed that it at both ends with a seal (crushing or melting 4) is provided. At the same time remain integrally set on the seals 4 sleeve-shaped extension parts 7.
  • the extension parts are external power supply and possibly base parts. It does not matter if and how a possible base part is fixed in the extension part.
  • the base part is at most mechanically anchored, on both sides in the extension parts 7a and 7b. It is essential that at the second extension part 7b, a pumping hole 18 is generated in the vicinity of the sealing part, for example by means of a laser, which initially remains open.
  • the cylindrical outer bulb 12 is initially an open tube. It is first pretreated so far that a circumferential dent 14 fixes a previously clamped clamped carrier tape laterally. The ends of the outer bulb are now brought to the end of the sealing part and the beginning of the extension part 16 after prior heating by flames. The first end is completely rolled up (arrow P1). Although the diameter is reduced at the second end, not the entire contact zone KO is brought into contact with the inner vessel.
  • the fixing F is carried out by the suitably shaped roller R on the second extension part 16b outside the still open pumping hole 18.
  • the outer bulb 12 is thus rolled up, but not so that it rests on the extension part 16b (arrow P2 ).
  • This arrangement will be on open end of the second extension part is connected via a feed line 38 to a Pumpund filling system 39, in particular by a pumping rubber 40 is placed on the end of the extension part.
  • the pumping path is indicated as arrow P3.
  • the outer bulb 12 may be charged with any inert atmosphere via this pumping path or maintained vacuum.
  • the pumping hole 18 is closed, for example, either by rolling it over locally over a short distance of the contact zone or simply after local heating by means of laser under the application of negative pressure, see arrow P4 (FIG. FIG. 3 )
  • FIG. 4 an embodiment is shown in which the pumping hole is closed by the fact that this zone is locally heated and then mechanically pressed from the inside of the region 50b of the extension part against the brought-up part 50a of the outer bulb.
  • the end 16b of the second extension part normally remains always open.
  • the getter band 15, if necessary in the getter used, can later be activated by the outer bulb 12 by means of a laser.
  • An alternative is that the pumping hole remains open and instead closes the outer bulb further inward, see FIG.
  • FIG. 6 shows a lamp similar FIG. 1 , wherein at the end of the extension part of a film 19 is attached.
  • the outer wall of the tubular extension part 7 at the level of the film is heated and squeezed after closing the outer bulb (21 ').
  • the volume of the extension part is advantageously evacuated before and possibly filled with inert gas. In this way, the corrosion of the external parts of the power supply can be delayed.
  • FIG. 7 shows an embodiment of a closed-end halogen incandescent lamp 41, in which a pear-shaped inner vessel 42 has a single opening 43 which is closed by a pinch seal portion.
  • the power feedthrough system has two outer power supply lines 44, which via foils 45 with a luminous body 46 are connected in the interior of the inner vessel.
  • the outer power leads 44 are guided in a tubular extension part 47, which has a pump hole 48 in the vicinity of the sealing area laterally.
  • An outer bulb 50 surrounds the inner vessel, the sealing area and a short portion of the extension, typically 10 to a maximum of 35% thereof. The end of the outer bulb is heated and brought to the extension part 47, similar to in FIG.
  • the outermost end 49 is rolled or tacked to the extension part, while the remaining region of the contact zone is brought close only to the extension part.
  • the pumping hole is enclosed in the covering area of the contact zone KO.
  • the volume of the outer bulb can then be evacuated via the pumping hole 48 and possibly filled.
  • the area of the pumping hole is heated with a laser, so that the contact zone falls by applying a negative pressure at the end of the extension part by itself to the pumping hole, similar to that described above for two-sided lamps.
  • the other methods previously described in detail are also suitable.

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  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Vessels And Coating Films For Discharge Lamps (AREA)
  • Manufacture Of Electron Tubes, Discharge Lamp Vessels, Lead-In Wires, And The Like (AREA)

Claims (9)

  1. Procédé de fabrication d'une lampe électrique (1) comprenant une ampoule extérieure (12) et une enceinte intérieure située dans l'ampoule, notamment une enceinte de décharge (2), les étapes de procédé suivantes étant utilisées :
    a) préparation d'un corps creux en verre, notamment d'un tube en verre quartzeux qui définit un volume intérieur et est pourvu d'au moins une ouverture ;
    b) équipement du corps creux resp. tube avec au moins un système de passage de courant qui avance de l'extérieur dans le volume en passant par l'ouverture, le système étant, notamment, un système d'électrode qui comprend au moins une électrode (3), une feuille (5) et une amenée de courant (6) ;
    c) évacuation par pompage et remplissage du volume intérieur ;
    d) chauffage et déformation du corps creux au niveau de l'extrémité ouverte de manière à former une partie d'étanchéité (4) qui entoure de manière étanche au gaz une partie centrale du système de passage de courant et une partie de prolongement (7b) qui contient une partie du système de passage de courant située à l'extérieur ; une ouverture latérale (18) étant ménagée en tant que trou de pompage dans l'ébauche ainsi obtenue ;
    e) mise en place par dessus d'un second corps creux en verre, notamment d'un second tube en verre quartzeux de plus grande dimension que le tube mentionné ci-dessus, le second corps creux étant dimensionné de telle sorte que le second corps creux recouvre le volume intérieur, la zone d'étanchéité et une certaine partie de la partie de prolongement, notamment une zone représentant de 10 à 60 % de la longueur de la partie de prolongement, le trou de pompage (18) étant, de plus, compris dans la zone de recouvrement ;
    f) mise en contact, notamment par laminage (P2) ou fusion ou fixation, de l'extrémité ouverte du second corps creux avec la partie de prolongement par le biais d'une zone de contact (KO) pour former une ampoule extérieure, de manière à produire un contact étanche au gaz dans la zone de la partie de prolongement, au moins à l'extrémité de la zone de contact (KO), le trou de pompage (18) étant situé à l'intérieur de la zone de contact ;
    g) évacuation par pompage et, le cas échéant, remplissage du volume s'étendant entre l'enceinte intérieure et l'ampoule extérieure par le trou de pompage (18) et l'extrémité ouverte de la partie de prolongement (7b) ;
    h) fermeture de l'ampoule extérieure (12) dans la zone de la zone de contact (KO) en chauffant au moins une partie de la zone de contact et en mettant ensuite en contact cette partie de la zone de contact avec la partie adjacente de l'enceinte intérieure.
  2. Procédé selon la revendication 1, caractérisé en ce que la mise en contact d'une partie de la zone de contact (KO) s'effectue en serrant, en laminant ou en laissant simplement retomber sous l'effet de l'application d'une différence de pression, en complétant le cas échéant par un laminage ou un serrage.
  3. Procédé selon la revendication 1, caractérisé en ce que la partie à fermer de la zone de contact (KO) est située au niveau du trou de pompage (18), de sorte que le trou de pompage lui-même est fermé lors de l'étape h.
  4. Procédé selon la revendication 1, caractérisé en ce que la partie à fermer de la zone de contact (KO) est située au niveau du trou de pompage (18), mais sur l'intérieur, de sorte que le trou de pompage lui-même n'est pas fermé lors de l'étape h.
  5. Procédé selon la revendication 1, caractérisé en ce que l'enceinte intérieure (2) et l'ampoule extérieure (12) sont pourvues à chaque fois d'une seule ouverture.
  6. Procédé selon la revendication 1, caractérisé en ce que l'enceinte intérieure (2) et l'ampoule extérieure (12) sont pourvues à chaque fois d'une seconde ouverture supplémentaire.
  7. Procédé selon la revendication 6, caractérisé en ce que l'on procède, en tant qu'étape de procédé bc supplémentaire avant l'étape c, à l'équipement de l'ouverture supplémentaire au moins avec un système de passage de courant, au chauffage et à la déformation (P1) du tube au niveau de son ouverture supplémentaire, une partie d'étanchéité supplémentaire (4) qui contient une partie du système de passage de courant située à l'extérieur, notamment une feuille (5) en tant que partie centrale du système de passage de courant, et une partie de prolongement (7a) qui contient une partie du système de passage de courant située à l'extérieur, étant formées.
  8. Procédé selon la revendication 1, caractérisé en ce que l'enceinte intérieure (2) est une enceinte de décharge, le système de passage de courant comprenant des électrodes (3), et en ce que le remplissage comprend des halogénures métalliques.
  9. Procédé selon la revendication 1, caractérisé en ce que le système de passage de courant comprend un corps lumineux (46).
EP04012809A 2003-06-05 2004-05-28 Procédé pour la fabrication d'une lampe électrique avec ampoule exterieure Expired - Lifetime EP1492146B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10325554 2003-06-05
DE10325554A DE10325554A1 (de) 2003-06-05 2003-06-05 Verfahren zur Herstellung einer elektrischen Lampe mit Außenkolben

Publications (3)

Publication Number Publication Date
EP1492146A2 EP1492146A2 (fr) 2004-12-29
EP1492146A3 EP1492146A3 (fr) 2010-09-08
EP1492146B1 true EP1492146B1 (fr) 2012-01-25

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EP04012809A Expired - Lifetime EP1492146B1 (fr) 2003-06-05 2004-05-28 Procédé pour la fabrication d'une lampe électrique avec ampoule exterieure

Country Status (8)

Country Link
US (1) US7112116B2 (fr)
EP (1) EP1492146B1 (fr)
JP (1) JP4518480B2 (fr)
KR (1) KR20040110980A (fr)
CN (1) CN100538966C (fr)
AT (1) ATE543196T1 (fr)
CA (1) CA2470028A1 (fr)
DE (1) DE10325554A1 (fr)

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DE10325552A1 (de) * 2003-06-05 2004-12-23 Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH Elektrische Lampe mit Außenkolben und zugehöriger Trägerkörper
US20060108929A1 (en) * 2004-11-23 2006-05-25 Patent-Treuhand-Gesellschaft Fur Elektrisch Gluhlampen Mbh Electric lamp having an outer bulb
DE102005012488A1 (de) * 2005-02-28 2006-09-07 Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH Verfahren zur Herstellung einer Entladungsröhrenanordnung und eine derartige Entladungsbogenröhrenanordnung
DE202005005200U1 (de) * 2005-04-01 2006-08-10 Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH Metallhalogenidlampe
DE202005005202U1 (de) 2005-04-01 2006-08-10 Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH Metallhalogenidlampe
DE102005016048B4 (de) 2005-04-07 2018-11-29 Ledvance Gmbh Metallhalogenidlampe mit einer ionisierbaren Füllung enthaltend mindestens ein Inertgas, Quecksilber und Metallhalogenide von Tl, Na, Li, Dy, Ho und Tm
CN101171664A (zh) * 2005-05-02 2008-04-30 皇家飞利浦电子股份有限公司 高压放电灯
DE102005020344A1 (de) 2005-05-02 2006-11-09 Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH Elektrische Lampe mit Außenkolben
DE102005035779A1 (de) * 2005-07-29 2007-02-01 Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH Elektrische Lampe mit Aussenkolben
JP5368107B2 (ja) * 2005-12-23 2013-12-18 コーニンクレッカ フィリップス エヌ ヴェ 二重管放電ランプの製造方法
DE112007002901A5 (de) * 2007-01-22 2009-12-03 Osram Gesellschaft mit beschränkter Haftung Hochdruckentladungslampe
EP1975975A1 (fr) 2007-03-30 2008-10-01 Patent-Treuhand-Gesellschaft Für Elektrische Glühlampen mbH Unité de construction pour une lampe électrique dotée de pistons extérieurs
WO2009052852A1 (fr) * 2007-10-19 2009-04-30 Osram Gesellschaft mit beschränkter Haftung Lampe à décharge haute pression
WO2010007571A2 (fr) * 2008-07-18 2010-01-21 Philips Intellectual Property & Standards Gmbh Brûleur
DE102009015894A1 (de) 2009-04-01 2010-10-07 Osram Gesellschaft mit beschränkter Haftung Elektrische Lampe
DE102009015895A1 (de) 2009-04-01 2010-10-07 Osram Gesellschaft mit beschränkter Haftung Elektrische Lampe mit Außenkolben
DE102009016057A1 (de) 2009-04-02 2010-10-07 Osram Gesellschaft mit beschränkter Haftung Elektrische Lampe mit Außenkolben
DE102009048126A1 (de) 2009-10-02 2011-04-07 Osram Gesellschaft mit beschränkter Haftung Verfahren zur Herstellung einer Entladungslampe

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Also Published As

Publication number Publication date
JP2004363110A (ja) 2004-12-24
KR20040110980A (ko) 2004-12-31
CN100538966C (zh) 2009-09-09
US7112116B2 (en) 2006-09-26
US20040253897A1 (en) 2004-12-16
EP1492146A2 (fr) 2004-12-29
CN1574162A (zh) 2005-02-02
JP4518480B2 (ja) 2010-08-04
CA2470028A1 (fr) 2004-12-05
EP1492146A3 (fr) 2010-09-08
DE10325554A1 (de) 2004-12-23
ATE543196T1 (de) 2012-02-15

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