EP0944112B1 - Lampe à incandescence halogène, lampe électrique et procédé de fabrication d'une lampe à incandescense halogène - Google Patents

Lampe à incandescence halogène, lampe électrique et procédé de fabrication d'une lampe à incandescense halogène Download PDF

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Publication number
EP0944112B1
EP0944112B1 EP99103807A EP99103807A EP0944112B1 EP 0944112 B1 EP0944112 B1 EP 0944112B1 EP 99103807 A EP99103807 A EP 99103807A EP 99103807 A EP99103807 A EP 99103807A EP 0944112 B1 EP0944112 B1 EP 0944112B1
Authority
EP
European Patent Office
Prior art keywords
luminous element
incandescent lamp
halogen incandescent
foil
power supply
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
EP99103807A
Other languages
German (de)
English (en)
Other versions
EP0944112A2 (fr
EP0944112A3 (fr
Inventor
Helmut Berger
Hans Liermann
Reinhold Meier
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
Priority to EP03013242A priority Critical patent/EP1355344A3/fr
Publication of EP0944112A2 publication Critical patent/EP0944112A2/fr
Publication of EP0944112A3 publication Critical patent/EP0944112A3/fr
Application granted granted Critical
Publication of EP0944112B1 publication Critical patent/EP0944112B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01K—ELECTRIC INCANDESCENT LAMPS
    • H01K1/00—Details
    • H01K1/40—Leading-in conductors
    • 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
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01K—ELECTRIC INCANDESCENT LAMPS
    • H01K1/00—Details
    • H01K1/02—Incandescent bodies
    • H01K1/04—Incandescent bodies characterised by the material thereof
    • H01K1/06—Carbon bodies
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01K—ELECTRIC INCANDESCENT LAMPS
    • H01K1/00—Details
    • H01K1/18—Mountings or supports for the incandescent body
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01K—ELECTRIC INCANDESCENT LAMPS
    • H01K3/00—Apparatus or processes adapted to the manufacture, installing, removal, or maintenance of incandescent lamps or parts thereof
    • H01K3/06—Attaching of incandescent bodies to mount

Definitions

  • the invention is based on a halogen incandescent lamp according to the preamble of claim 1. These are in particular squeezed on two sides Incandescent lamps with an axially arranged filament.
  • a generic halogen incandescent lamp is already known from the document EP-A 475 508 known.
  • An end region of the cylindrical filament is through a power supply inserted therein is mechanically supported by the Power supply is bent asymmetrically in one plane. In particular is they shaped so that on a first axially parallel leg of the Power supply a second leg is formed with a free end.
  • the free end hooks behind a turn of the filament that is spaced from the end of the filament is one-sided, while the first leg opposite the free end on the turns of the filament is applied.
  • the film-side end of the power supply is more common on the film Way welded.
  • the disadvantage of this construction is that the centering of the filament and the power supply system because of asymmetrical shape of the power supply is not reliably guaranteed is. In addition, the welding process is very time-consuming and costly.
  • the present invention is based on a simple design, if possible symmetrical power supply, which is advantageous spring action exerts on the illuminant and thus automatically the centering of the filament ensures.
  • the concept of this power supply has the particular advantage that the connection to the film is not by welding, but by mechanical contact. It doesn't just mean that Costs and manufacturing time significantly reduced, but there are also no potential Weaknesses. Previously, an expensive platinum paste had to be used for welding to be used. The area of the welding spot was also previously the Exposed to oxidation, which reduced the lifespan.
  • the halogen incandescent lamp according to the invention has a hermetic seal sealed piston made of translucent material on the one Lamp axis defined. Furthermore, it has a preferably axially arranged coiled (and thus cylindrically shaped) filament with two ends and a power supply system that connects to the two end areas of the filament is connected.
  • the power supply system includes a film and an inner and outer power supply, the filament side inner end of the power supply the end region of the filament from the inside.
  • the foil-side outer end of the power supply is connected to the film.
  • the power supply itself is U-shaped bent by two free legs, advantageously loaded with spring force lie in one plane and connected to each other via a straight base are.
  • the section on the filament side is at the end of the associated film folded back and forms a fold in which the base is mechanically held is.
  • the ends of the free legs protrude into an end region of the filament into it.
  • At least one hook part is on one of the free legs to the outside. This hook part engages between two turns of the Filament.
  • the area of the folded end portion of the film is normal rectangular.
  • Such a folded-over rectangular end section of the film is already known from EP-A 780 883. However, this area is now preferred reduced to at least one or both free corners. This facilitates the automatic hooking of the power supply in the fold of the Foil. This also saves film material.
  • the folded one Section is preferably triangular (symmetrical or asymmetrical). However, it can also be rounded, for example. This cheap In principle, the design of the end section of the film is independent of the special way of providing a power supply suspended in the film. In principle, it is for both external and internal power supply suitable. For this special shape of the folded end section with a reduced area therefore becomes independent of the special one The shape of the power supply hooked into it requires protection. This one folded In principle, the end section can also be used with other lamp types (especially discharge lamps with metal halide filling) are used become.
  • Each of the two legs preferably has a hook part. This will improved the bracket and ensured the centering even better.
  • the legs are usually the same length. However, it is for special applications advantageous to use legs of different lengths.
  • the concept according to the invention is particularly good for a halogen incandescent lamp suitable, which is squeezed on two or one side. You can both end areas are supported by a new type of power supply.
  • the diameter of the wire is advantageous for the power supply is used, at least as large as the distance between two turns of the filament.
  • the bracket is not only by the tension between the two ends of the filament caused, but also or mainly by a clamping intervention of the hook part between two turns of the filament.
  • the wire diameter of the power supply is greater than the distance between two Turns of the filament, so that the filament when inserting the Power supply is spread slightly; it is preferably 10 to 30% larger, see above that on the one hand the clamping intervention is easy to accomplish and on the other hand the holding force is still sufficiently safe.
  • the hook part preferably protrudes slightly above the lamp outwards.
  • the free legs can run straight and axially parallel, which is the easiest is to be produced.
  • the legs are shaped so that the width of the film regardless of dimensions of the filament can be selected.
  • the legs are either inclined inwards towards the axis, or the two legs point in one particularly preferred embodiment just before the end of the Filament has an inward curvature that defines the distance between the thigh ends reduced. This shape is the end area of the filament ideally adjusted so that the holder and centering of the filament works particularly reliably.
  • the hook part preferably forms an outwardly protruding angle to Leg, the hook part at an angle ⁇ between 30 ° and 120 °, in particular about 50 ° to 60 °, is bent relative to the free leg.
  • the legs should at least two turns, preferably more than 3 turns, in the end area of the filament are introduced.
  • the power supply is mostly made of tungsten or molybdenum.
  • the hook part must be designed so that the filament side Width when compressed is always smaller than that Inner diameter of the filament is.
  • the length of the two hook parts in the case of their right-angled bend) or their length in projection transverse to the lamp axis (in the event that the hook parts are at an acute angle to the Legs are arranged) may therefore at most half the inner diameter correspond to the cylinder formed by the filament. In the event of of a single hook part is accordingly a length up to the full Inside diameter permitted.
  • a method of manufacturing the halogen incandescent lamp described above is based on the fact that the power supply with the two legs initially is squeezed.
  • the power supply is in this state introduced the end region of the filament at least two turns.
  • the legs snap open when the power supply is relaxed outside and press evenly from the inside against the end area of the Illuminant.
  • the hook part (s) press into the space jamming between two turns.
  • the tension is the Helix advantageous because it increases the distance between two turns.
  • the lamp-side section of the film initially angled only by more than 90 ° (preferably at least 100 °) that there is a fold in the film.
  • the internal power supply is in this with its base hooked in and the filament in relation to the foil underneath Tension held. Then the angled section of the Angled the film further until it describes a bend of a total of 180 ° Has.
  • the tension is maintained so that the The hook part cannot slip out of the fold of the film.
  • squeezing of the piston end around the film are preferably pinch jaws with an in used about central knob. The knob is raised against the rest Squeeze area and causes a lot of piston material (is preferred Quartz glass used) pressed between the legs of the power supply becomes. This not only ensures a secure hold of the power supply, but also achieved that the film itself in the squeezing process the center of the bruise remains centered.
  • the invention is preferred for double-sided pinched halogen incandescent lamps (Festoons) suitable. But the application is also with other lamps possible, for example with lamps pinched on one side.
  • FIG. 1 shows a double-ended, socketed halogen incandescent lamp 1 (Soffitte) for general lighting with an output of 150 W. It is for suitable for direct connection to the 230 V network and has a cylindrical Piston 2 made of quartz glass. A pump stem 3 is attached in the middle. The two ends of the piston are each closed with a pinch seal 4. The piston 2 is filled with argon, which is known per se Halogen additive is attached.
  • An axially arranged filament 5 with a luminous central section is simply spiraled (or in another embodiment double coiled).
  • the (primary) spiral of the simply spiraled Filament (or the secondary coil of the double-coiled Luminous body) thus forms a cylindrical body.
  • the distance between two turns is about 50 ⁇ m with a wire diameter of about 190 ⁇ m.
  • the luminous element 5 has an end region 6 at each end with a steep incline. There the distance between two turns is about 500 ⁇ m.
  • the luminous element is connected via internal power supply lines 7
  • Molybdenum foils 8 in the press seals 4 at the ends of the piston are embedded, connected.
  • electrical external leads (external power supply lines) 9 are welded on, which are connected to contacts in the ceramic bases 10.
  • the power supply system is shown in more detail.
  • the end area 6 of the filament extends over a few turns (only one turn is shown schematically).
  • the power supply 7 from Tungsten with a wire diameter of approximately 600 ⁇ m is approximately U-shaped bent and has a straight base 15. It is in a fold 12 the film hung, which by folding back an end portion 11 of the Foil is formed, the filament side of the film 8 in the form of a is arranged asymmetrically to the lamp axis arranged triangle.
  • the free ends 18 are angled inwards (17) and up to extend the interior of the end portion 6 of the filament.
  • the bend 17 forms an inward shortly before the end of the filament Bend 17, the free leg ends 18 each on the inside Windings of the end region 6 are applied.
  • the leg ends 18 are advantageous bent slightly outwards before insertion into the filament, see above that they still exert a certain spring force when installed.
  • This version is suitable for small wattages where the Luminous body is relatively small and unstable for electrical reasons.
  • the first leg end 18 shaped exactly as in Figure 2 with a hook end.
  • the second Leg end 19 is, however, much longer than the first. It serves as a guide. With him the hook part is directed inwards.
  • the end section 13 of the film is rounded in this embodiment.
  • the luminous element is 25 a high-watt lamp (500 W) so stable that the hook parts 26, the are bent back at an acute angle at an angle ⁇ of 45 ° are hooked in after the second turn.
  • the curvature 27 of the legs 28 is bent more smoothly than in the first embodiment.
  • This variant is preferably applicable with a relatively large diameter of the power supply.
  • the folded end portion 14 has the shape of a triangle that is symmetrical is arranged to the lamp axis.
  • the legs 30 are set at right angles to the base 31 and run parallel to each other.
  • the hook parts 32 are angled by 90 ° and protrude opposite each other perpendicularly from the plane of the legs 30 out.
  • legs 35 are inclined obliquely inwards on the base 36 stated.
  • the hook parts 37 are angled at 110 ° and remain in the System level consisting of leg 35 and base 36.
  • FIG. 7 shows a halogen incandescent lamp 40 which is pinched on one side and whose two molybdenum foils 41 parallel to one another in a single pinch 42 are embedded.
  • Both inner power supply lines 43 are similar to that in FIG Figure 2 described constructed and hold the ends of a U-shaped curve Filament 44.

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  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Vessels And Coating Films For Discharge Lamps (AREA)
  • Electric Stoves And Ranges (AREA)

Claims (13)

  1. Lampe à incandescence à halogène, comprenant une ampoule (2) rendue hermétiquement étanche, en une matière transparente, qui définit un axe de lampe, un élément (5) lumineux bobiné, formant un cylindre et ayant deux parties (6) d'extrémité et un système d'entrée de courant, qui est relié aux deux parties (6) d'extrémité de l'élément lumineux, le système (8) d'entrée de courant comprenant des rubans (8), un tronçon (11) à l'extrémité se trouvant du côté de l'élément lumineux du ruban associé étant rabattu et formant un pli (12), caractérisée en ce que le système d'entrée de courant comprend des entrées (7) supplémentaires de courant, l'extrémité intérieure, du côté de l'élément lumineux, de l'entrée de courant maintenant de l'intérieur la partie (6) d'extrémité de l'élément lumineux et l'extrémité extérieure du côté du ruban, de l'entrée de courant étant reliée au ruban (8) et l'entrée (7) de courant est coudée en forme de U par le fait que deux branches (16) libres, qui sont dans un plan, sont reliées entre elles par une base (15) rectiligne et sont maintenues mécaniquement dans le pli (12), les extrémités (18) des branches (16) faisant saillie dans la partie (6) d'extrémité de l'élément lumineux et au moins une partie (20) formant crochet faisant saillie vers l'extérieur à l'une des extrémités des branches et pénétrant entre deux spires de l'élément lumineux.
  2. Lampe à incandescence à halogène suivant la revendication 1, caractérisée en ce que chacune des deux extrémités (18) de branche a une partie (20) formant crochet.
  3. Lampe à incandescence à halogène suivant la revendication 1, caractérisée en ce que la lampe (1 ; 40) à incandescence à halogène est pincée des deux côtés ou d'un côté.
  4. Lampe à incandescence à halogène suivant la revendication 1, caractérisée en ce que le diamètre du fil métallique de l'entrée (7) de courant est au moins exactement aussi grand et, de préférence, plus grand de 10 à 30 % que la distance entre deux spires de l'élément lumineux dans la zone de l'accrochage des parties en forme de crochet.
  5. Lampe à incandescence à halogène suivant la revendication 1, caractérisée en ce que la partie (20) en forme de crochet est coudée dans le plan de l'entrée de courant.
  6. Lampe à incandescence à halogène suivant la revendication 1, caractérisée en ce que la partie (20) en forme de crochet dépasse vers l'extérieur de l'élément lumineux.
  7. Lampe à incandescence à halogène suivant la revendication 1, caractérisée en ce que les branches libres sont parallèles à l'axe (figure 5) ou s'étendent rectilignement vers l'intérieur en direction de l'axe en étant inclinées (figure 6) ou présentent une courbure (17 ; 27) qui diminue la distance entre elles.
  8. Lampe à incandescence à halogène suivant la revendication 1, caractérisée en ce que la partie en forme de crochet est coudée suivant un angle α compris entre 30° et 120°, notamment suivant un angle d'environ 50° à 60° par rapport à l'extrémité de la branche.
  9. Lampe à incandescence à halogène suivant la revendication 1, caractérisée en ce que les extrémités des branches sont introduites d'au moins deux spires dans la partie (6) d'extrémité de l'élément lumineux.
  10. Lampe à incandescence à halogène suivant la revendication 1, caractérisée en ce que la partie (11) rabattue du ruban a une surface réduite sur au moins l'un de ses deux coins libres et est notamment triangulaire ou arrondie.
  11. Lampe électrique ayant une ampoule (12) rendue hermétiquement étanche, en une matière transparente, qui définit un axe de lampe, un agent (5) lumineux ayant deux parties (6) d'extrémité et un système d'entrée de courant qui est relié aux deux parties (6) d'extrémité de l'agent lumineux, le système d'entrée de courant comprenant des rubans (8), au moins une partie (11) à une extrémité du ruban étant rabattue et formant un pli (12), caractérisée en ce que le système d'entrée de courant comprend, en plus, des entrées (7) de courant, l'extrémité intérieure, du côté de l'élément lumineux, de l'entrée intérieure de courant maintenant l'élément lumineux à l'aide de deux branches (16) qui sont dans un plan et qui sont reliées entre elles par une base (15) rectiligne et l'extrémité extérieure, du côté du ruban, de l'entrée intérieure de courant, tout comme l'entrée (9) extérieure de courant, étant reliées au ruban (8) et au moins l'une des entrées de courant étant maintenue mécaniquement sur la base (15) dans ce au moins un pli (12) et la partie (11) rabattue du ruban ayant une surface réduite sur au moins l'un de ses deux coins libres et étant notamment triangulaire ou arrondie.
  12. Procédé de fabrication d'une lampe à incandescence à halogène suivant la revendication 1, caractérisé en ce que l'on comprime d'abord l'entrée (7) de courant ayant les deux branches (16) et on l'introduit d'au moins deux spires dans la partie (6) d'extrémité de l'élément lumineux et on la détend ensuite, de sorte que, lors de la détente, les branches poussent vers l'extérieur et s'appliquent uniformément de l'intérieur sur la partie d'extrémité de l'élément lumineux, tandis que les parties (20) en forme de crochet pénètrent avec serrage dans l'espace intermédiaire compris entre deux spires.
  13. Procédé suivant la revendication 12, caractérisé en ce que l'on coude d'abord seulement de plus de 90° (de préférence d'au moins 100°) la partie d'extrémité, se trouvant du côté de l'élément lumineux, du ruban (8) de manière à former un pli (12) dans le ruban et on accroche dans ce ruban l'entrée (7) de courant par sa base (15) et ensuite on coude complètement la partie coudée du ruban, de manière à ce qu'elle subisse un coudage de 180° en tout.
EP99103807A 1998-03-20 1999-02-26 Lampe à incandescence halogène, lampe électrique et procédé de fabrication d'une lampe à incandescense halogène Expired - Lifetime EP0944112B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP03013242A EP1355344A3 (fr) 1998-03-20 1999-02-26 Lampe électrique

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19812379A DE19812379A1 (de) 1998-03-20 1998-03-20 Halogenglühlampe
DE19812379 1998-03-20

Related Child Applications (1)

Application Number Title Priority Date Filing Date
EP03013242A Division EP1355344A3 (fr) 1998-03-20 1999-02-26 Lampe électrique

Publications (3)

Publication Number Publication Date
EP0944112A2 EP0944112A2 (fr) 1999-09-22
EP0944112A3 EP0944112A3 (fr) 1999-09-29
EP0944112B1 true EP0944112B1 (fr) 2003-07-23

Family

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Family Applications (2)

Application Number Title Priority Date Filing Date
EP03013242A Withdrawn EP1355344A3 (fr) 1998-03-20 1999-02-26 Lampe électrique
EP99103807A Expired - Lifetime EP0944112B1 (fr) 1998-03-20 1999-02-26 Lampe à incandescence halogène, lampe électrique et procédé de fabrication d'une lampe à incandescense halogène

Family Applications Before (1)

Application Number Title Priority Date Filing Date
EP03013242A Withdrawn EP1355344A3 (fr) 1998-03-20 1999-02-26 Lampe électrique

Country Status (6)

Country Link
US (1) US6291934B1 (fr)
EP (2) EP1355344A3 (fr)
JP (1) JPH11329370A (fr)
CN (1) CN1296965C (fr)
CA (1) CA2265397A1 (fr)
DE (2) DE19812379A1 (fr)

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FR2795553A1 (fr) * 1999-06-28 2000-12-29 Koninkl Philips Electronics Nv Lampe a incandescence comprenant une ampoule en verre de forme tubulaire dans laquelle est dispose axialement un filament
JP3085303B1 (ja) * 1999-07-05 2000-09-04 ウシオ電機株式会社 放電ランプ
EP1308988B1 (fr) * 2001-10-23 2016-07-13 Koninklijke Philips N.V. Système d'accrochage d'un filament à une entrée de courant
US20050093420A1 (en) * 2003-11-05 2005-05-05 Fridrich Elmer G. Spurred light source lead wire for handling and for assembling with a filament
DE102004061734A1 (de) * 2004-12-22 2006-07-06 Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH Befestigungsverfahren und danach hergestellte Lampe
JP2011503811A (ja) * 2007-11-14 2011-01-27 オスラム ゲゼルシャフト ミット ベシュレンクテル ハフツング 電球用箔およびこれに付属するリード系
DE202008008379U1 (de) 2008-06-23 2008-09-04 Osram Gesellschaft mit beschränkter Haftung Folie für Lampen und zugehöriges Stromzuführungssystem und elektrische Lampe mit jeweils einer derartigen Folie
DE102008037319A1 (de) 2008-08-11 2010-02-18 Osram Gesellschaft mit beschränkter Haftung Folie für Lampen und elektrische Lampe mit einer derartigen Folie sowie zugehöriges Herstellverfahren
DE102011089810A1 (de) 2011-12-23 2013-06-27 Evonik Industries Ag Mischoxid enthaltend die Elemente Lithium, Nickel, Cobalt und Mangan und Verfahren zu deren Herstellung
US20140038117A1 (en) * 2012-07-31 2014-02-06 Bishara Tannous Ignition device and method
CN104588899B (zh) * 2014-12-01 2017-02-01 广明源光科技股份有限公司 一种卤素灯的自动点焊工艺及其自动点焊机

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US2786882A (en) * 1951-01-25 1957-03-26 Krefft Hermann Eduard Lead-in seal for electrical discharge devices
DE1589294A1 (de) * 1967-06-19 1970-06-04 Patra Patent Treuhand Halogengluehlampe,insbesondere fuer Kraftfahrzeugscheinwerfer
GB1340778A (en) * 1971-12-02 1974-01-30 Thorn Electrical Ind Ltd Filament assejbly for incandescent lamps
US4208606A (en) * 1979-01-10 1980-06-17 Westinghouse Electric Corp. Filament-support means for a tubular incandescent lamp
US5140217A (en) * 1990-09-07 1992-08-18 North American Philips Corporation Electric lamp having a push-in filament insert for filament mounting
US5241239A (en) * 1991-12-18 1993-08-31 North American Philips Corporation Tubular electric lamp having a lamp base sleeve with an access port for securing a contact to a current-conductor
DE19548523A1 (de) * 1995-12-22 1997-06-26 Patent Treuhand Ges Fuer Elektrische Gluehlampen Mbh Zweiseitig gequetschte Lampe

Also Published As

Publication number Publication date
DE59906318D1 (de) 2003-08-28
EP1355344A2 (fr) 2003-10-22
EP0944112A2 (fr) 1999-09-22
EP1355344A3 (fr) 2009-04-01
CN1296965C (zh) 2007-01-24
EP0944112A3 (fr) 1999-09-29
CN1230011A (zh) 1999-09-29
CA2265397A1 (fr) 1999-09-20
JPH11329370A (ja) 1999-11-30
US6291934B1 (en) 2001-09-18
DE19812379A1 (de) 1999-09-23

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