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WO2010000325A1 - Dispositif d'alimentation en courant pour une électrode d'une lampe électrique équipée d'un tel dispositif d'alimentation en courant - Google Patents

Dispositif d'alimentation en courant pour une électrode d'une lampe électrique équipée d'un tel dispositif d'alimentation en courant Download PDF

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Publication number
WO2010000325A1
WO2010000325A1 PCT/EP2008/058641 EP2008058641W WO2010000325A1 WO 2010000325 A1 WO2010000325 A1 WO 2010000325A1 EP 2008058641 W EP2008058641 W EP 2008058641W WO 2010000325 A1 WO2010000325 A1 WO 2010000325A1
Authority
WO
WIPO (PCT)
Prior art keywords
current
current carrier
cross
electric lamp
sectional area
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/EP2008/058641
Other languages
German (de)
English (en)
Inventor
Matthias Ediger
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
Priority to PCT/EP2008/058641 priority Critical patent/WO2010000325A1/fr
Priority to TW098121582A priority patent/TW201007813A/zh
Publication of WO2010000325A1 publication Critical patent/WO2010000325A1/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
    • H01J61/36—Seals between parts of vessels; Seals for leading-in conductors; Leading-in conductors
    • 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
    • H01J5/32—Seals for leading-in conductors
    • H01J5/34—Seals for leading-in conductors for an individual conductor
    • 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
    • H01J5/46—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
    • 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
    • H01J9/32—Sealing leading-in conductors
    • H01J9/323—Sealing leading-in conductors into a discharge lamp or a gas-filled discharge device
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01K—ELECTRIC INCANDESCENT LAMPS
    • H01K1/00—Details
    • H01K1/38—Seals for leading-in conductors
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01K—ELECTRIC INCANDESCENT LAMPS
    • H01K1/00—Details
    • H01K1/40—Leading-in conductors

Definitions

  • the invention relates to a device for Stromzumate- tion to an electrode of an electric lamp, which has at least one Stromippostatt and at least one current carrier foil, which are connected to one another at a connection ⁇ point . Furthermore, the invention relates to an electric lamp having such a device for supplying current to an electrode.
  • an electric lamp be ⁇ known in which on the outer conductor and the thus connected current carrier foil a protective coating is formed.
  • the protective coating is formed only as a thin layer of about 4 microns to 6 microns and is for example made of chrome. Due to the between the inner wall of the piston neck on the one hand and parts of the current carrier foil and the outwardly extending current carrier pin on the other hand formed capillary, this protective coating extends necessarily over the entire length of the current supply pin and imperatively also over an exposed portion of the current carrier foil.
  • the application of the coating is relatively expensive. In addition, this application is also relatively expensive and the application process may also be hazardous to health due to the materials used to produce the coating. Furthermore, the Beschich ⁇ tion is mandatory to apply before the melting process on the current carrier foil and the current carrier pin.
  • JP 2001210279 A a heating lamp is known, in which rod-shaped in a combustion chamber Power supply lines extend, which are surrounded at the end regions of the lamp envelope with a sealing Mate ⁇ material or these end-side openings of the lamp envelope are closed with this material.
  • This sealing material is formed with a specific radius, which is in a specific ratio to the diameter of the current-carrying pin, so ge is optionally also formed ⁇ a free space between the sealing material and the lamp bulb.
  • An inventive device for supplying current to an electrode of an electric lamp comprises at least one current-carrying pin and at least one Stromträ- gerfolie which are mutually ver ⁇ connected to a connection point. At least in the region of the connection point between the current carrier pin and the current carrier foil, the cross-sectional area of the at least one current carrier is gerungs less than or equal to the cross-sectional area of the at least one current carrier foil.
  • the size of the capillaries is given by the difference in the expansion coefficients between the lamp bulb, which is preferably made of a quartz material, and the components of the current supply device, which are preferably made of molybdenum, and by the diameter of the current carrier pin and the current carrier foil. Due to the inventive design of the device, the diameter of the components, the current carrier foil and the current carrier pin can now be reduced or adapted so far that they still have the required current carrying capacity and capillary formation can be minimized or else a minimization of the oxidizable Surface of the components of the power supply device can be achieved, whereby the occurrence of shake jumps can be at least reduced.
  • the cross-sectional area of the at least one current carrier pin is less than or equal to a value 0.75 times the cross sectional area of the at least one current carrier film. It is particularly preferred that at least in the loading ⁇ reaching the junction of the cross-sectional area of at least ⁇ a current carrying pin is less than or equal to a value 0.5 times the cross-sectional area of the at least one current carrier film.
  • the device has at least two current carrier pins and, for example, comprises only one current carrier foil.
  • the sum of the cross-sectional areas of the at least two Stromträ ⁇ gerchanite is less than or equal to the cross-sectional area of the at least one current carrier foil.
  • a plurality of current carrier pins are formed, these are designed so that they are reduced in terms of their Querterrorismsflä ⁇ che so that the sum of all cross ⁇ sectional areas of the current carrier pins is smaller than the cross-sectional area of a current carrier foil. This also allows the capillary effect in the embedding process in the lamp bulb are at least greatly reduced in such specifically designed devices for power supply and yet the full current carrying capacity can be ensured.
  • the device comprises at least two current-carrying foils, and at least in the area of the joint, the cross-sectional area of the current carrier ⁇ pin is less than or equal to the sum of the Querburgflä ⁇ surface of a current carrying pin of the device. It can thus also be provided an embodiment in which the device comprises a plurality of current carrier foils but only one current carrier pin. These are also zipiert so kon ⁇ that the cross-sectional area of the current carrier ⁇ pin is always less than the sum of the cross sectional areas of the current carrier foils.
  • connection Zvi ⁇ rule to at least one current-carrying pin and at least egg ner current carrier film is preferably a weld joint.
  • the device has at least two current carrier pins and at least two Stromträ ⁇ gerfolien and at least in the region of the connecting parts, the sum of the cross-sectional areas of the Stromvic202e is less than or equal to the sum of the cross-sectional areas of the Stromitatifolien.
  • the at least one current carrier pin and the at least ei ⁇ ne current carrier foil of the power supply device are preferably made of a molybdenum-containing material, in particular completely made of molybdenum.
  • the current carrier foil and / or the current carrier pin are coated with an oxidation protection layer.
  • This may, for example, chromium and / or platinum and / or aluminum and / or zirconium have.
  • the device is designed such that a mechanically more stable state can be achieved at the connection point between the current-carrying pin and the current-carrying foil, which is in particular more stable than known standard connections. fertilize in such power supply devices, which is formed in particular at comparatively large diam ⁇ ser.
  • An electric lamp comprises an inventive device for supplying power to an electrode of the electric lamp or an advantageous embodiment thereof.
  • capillary formation can be prevented or at least reduced in the melting or squeezing process when the power supply device is embedded in a lamp bulb.
  • the current carrying capacity can be maintained on ⁇ .
  • the electric lamp comprises a lamp ⁇ piston having a combustion chamber into which extends at least an electrode, and further comprising a subsequent to the combustion chamber bulb neck, into which at least the connected to the electrode current ⁇ feeding device is arranged, which extends outwardly from the piston neck.
  • the junction between is the to ⁇ least a current-carrying pin and the at least one current carrier film of the current supply device outside an embedding region in which the current supply device is embedded in the bulb neck by deformation of the piston neck portion is arranged.
  • the embedding zone is understood in particular to mean the pinch zone or melting zone, in which components of the power supply device are embedded in a gas-tight manner in a bulb neck of the lamp bulb by being crushed.
  • the joint is preferably positioned outside the A ⁇ bed zone.
  • connection point is arranged in a cavity which is formed on an end of the ball neck remote from the combustion chamber.
  • said cavity is at least partially filled with a Be dry ⁇ lung material for oxidation protection of the extending piston in the neck portion of the power supply device. This can once again positively affect the avoidance of the oxidation of components of the power supply device.
  • the sealing material is a conductive glass solder.
  • the electric lamp comprises at least ei ⁇ nen lamp cap made of an oxidation-resistant material and / or the lamp cap is coated with an oxidation-resistant material.
  • this lamp base is connected with a piston neck.
  • the power supply device comprises only one current carrier pin and a plurality of current carrier foils, wherein here the current carrier foils are quasi spaced and arranged parallel to each other and connected to the current carrier pin.
  • conventional standard discharge lamps with a power supply or a current carrier pin of about 1 mm diameter show already after about 50 hours in furnace tests at about 500 0 C critical shifts in the core. With a reduction of the diameter to, for example, 0.5 mm, this time can be increased by a factor of 10 to approximately 500 hours, in some cases even up to the life of 750 hours.
  • these reduced cross-sectional components, in particular the current carrier pin, the power supply device can be made possible to save voltage-absorbing components, such as strands and the like, which are usually welded to conventional relatively thick current carrier pins.
  • oxidation-resistant material or coatings resistant to oxidation is particularly advantageous in the case of metal lamp caps. It can be provided that the lamp base are made of stainless steel. In a coating of a lamp cap, in turn, a material may be provided which, for example, chromium and / or platinum and / or gold and / or aluminum and / or zirconium.
  • the cavity which is formed on the end side on a lamp bulb, in particular a piston neck, is at least partially filled with a sealing material for the oxidation protection of the part of the current supply device extending into the bulb neck.
  • a sealing material for the oxidation protection of the part of the current supply device extending into the bulb neck.
  • an additional layer for protection against oxygen ingress can be formed for the part of the power supply device extending into the piston neck.
  • a material can be used as the sealing material, which is also used elsewhere in the manufacture of the lamp. As a result, a cost reduction can also be made possible.
  • An electrode is understood to be an anode and a cathode, for example a discharge lamp.
  • the term of an electrode is also understood to mean an incandescent filament of an incandescent lamp, in particular a halogen incandescent lamp.
  • the power supply device is embedded in the piston neck by a melting and / or squeezing of the material of the piston neck at the corresponding point.
  • the end of the bulb neck cavity formed can be filled with the sealing mate rial ⁇ after this embedding process. It is therefore no longer required, as in the prior art, that a coating on the Power supply device must be performed before the smelting process and then it must be hoped in the subsequent melting process that the on ⁇ melting coating distributes to the desired locations.
  • the cavity is formed exclusively on a side facing away from the combustion chamber of the pinch region of the piston neck.
  • the power supply device thus at least partially filling ei ⁇ nes extending in this longitudinal direction with a relatively short length extending cavity area in order to reduce the cost of improved oxidation protection and cost.
  • this specific See position of the cavity and the introduction of the sealing material is relatively simple and inexpensive.
  • the length and thus the inner end of the cavity is limited by the combustion chamber facing away from the end of the crimping.
  • the sealing material is thus formed especially pfrop ⁇ fenartig and dimensioned in accordance with a result of the shape of the cavity.
  • the sealing material is introduced into the cavity under a protective gas atmosphere.
  • protective gas for example, argon may be provided.
  • existing oxygen can be expelled particularly effectively, and the entry of oxygen upon introduction of the sealing material can be prevented.
  • the oxidation protection can be further improved.
  • when introducing the sealing material thus the penetration of unwanted oxygen can be prevented.
  • the sealing material is preferably a highly heat- resistant adhesive. It can be provided that the temperature resistance of the adhesive is greater than 45O 0 C, in particular greater than 600 0 C, in particular greater than 800 0 C. It proves to be preferable if the sealing material is an inorganic adhesive.
  • Example ⁇ example can be used as an adhesive Cerastil ®.
  • the sealing mate ⁇ rial is a metal foam.
  • the sealing material is foamable and Having aluminum particles. By heating this sealing material, the material swells into a ⁇ Me tallschaum and fills the cavity completely.
  • this layer is to protect against entry of oxygen to the combustion chamber of the lamp envelope Techwand ⁇ th region of the sealing material formed. Before ⁇ preferably an outside additional protection against oxygen entry is thus formed.
  • This position of attachment of the protective layer is simple and effortless to manufacture while still providing improved protection against oxygen entry.
  • the layer for protection against oxygen ⁇ entry and the sealing material is formed from each under ⁇ different materials.
  • the layer is bronzebil ⁇ det to the out of the cavity forth ⁇ projecting area of the sealing material. It is through this configuration, the psychados ⁇ ssige extent of the layer as well as the film thickness can be easily varied and optimized.
  • the layer for protection from oxygen is ⁇ enters directly formed on the sealing material to the power supply device. Between this layer and the sealing material no teres wei ⁇ material or no further layer is then arranged. In principle, however, it can also be provided that no direct attachment of the layer and the sealing material is provided, and intermediate layers are formed in this respect.
  • the layer for protection against sour ⁇ material entry at least partially polymide.
  • the layer at least partially comprises a ceramic fiber material.
  • the material Tyranno coat of UBE Industries may be USAGE ⁇ det here.
  • the layer of up to 500 ° C tempe ⁇ raturstabilen material is formed.
  • the lamp bulb preferably has at least two piston necks, which open opposite to the combustion chamber.
  • the electric lamp may be designed as single-ended discharge lamp ⁇ Ent. It can also be provided that the electric lamp is designed as a double-ended lamp.
  • the electric lamp is preferably formed as a discharge Slam ⁇ pe. It may also be an embodiment provided as a halogen incandescent lamp.
  • Figure 1 is an electric lamp in a side view and partially in a longitudinal view.
  • FIG. 2 shows a cross-sectional view according to a first embodiment of the power supply device along the section line BB in Fig. 1.
  • 3 is a cross-sectional view according to a second embodiment of the power supply device along the section line BB in Fig. 1st
  • Fig. 1 is a schematic representation of a discharge lamp designed as an electric lamp I ge ⁇ shows.
  • the illustration shows the lamp I in the upper Be ⁇ rich in a sectional view and the bottom of a side view.
  • the lamp I is formed in the embodiment as a power star ⁇ ke lamp with a lamp power of 1200 W, for example.
  • the lamp I has a lamp vessel 1 which comprises a bulbous central portion, to which connect to the gegenü ⁇ berograph sides a piston neck 2, and a piston neck. 3
  • the lamp bulb 1 is formed in one piece and in the interior of the middle part, a discharge ⁇ space 4 is formed as a combustion chamber.
  • a first electrode 5 which is formed rod-shaped in Ausure ⁇ tion example.
  • the first electrode 5 is electrically and mechanically connected to a power supply device 6, 7.
  • the electrode 5 is made in the embodiment of tungsten or a tungsten-containing material.
  • the power supply device comprises a current carrier foil 6, which consists of molybdenum or a molybdenum-containing Material is formed, and is further formed as you ⁇ tung film at the gas-tight melting in the bulb neck.
  • the check power supply ⁇ approximately device comprises a current carrier pin 7, which likewise is rod-shaped and consists for example of molybdenum or a molybdenum-containing material.
  • a second electrode 8 is provided on the opposite side, which layer ⁇ if is rod-shaped and extending in the dis- charges space. 4 Moreover, the second E- is lektrode 8 is also at least partially in the two ⁇ te piston neck 3 embedded in and connected electrically and mechanically with a check power supply ⁇ approximately device 9, 10 which is formed analogously to the power supply device 6, 7 in the piston neck. 2 Illustratively, the current ⁇ support pin 10 and the current carrier film is shown 9 of this current-to ⁇ guide device.
  • the lamp I is designed with two sides. However, it is also possible to provide a discharge lamp with single-cap base. Likewise ei ⁇ ne electric lamp I be making as halogen incandescent ⁇ can be.
  • the current carrier foil 6 and the current carrier pin 7 extending out of the bulb neck 2 are welded to a connecting part 13.
  • a cavity 11 is formed at one end of the discharge ⁇ 4 remote end 21 of the piston neck 2. Since the piston neck 2 is designed in such exporting ⁇ approximately in its basic design as a pipe, the cavity 11 as the essential chen round cross-section cavity 11 is formed.
  • the Longitudinal axis A of the piston neck 2 corresponds Wesentli ⁇ chen the longitudinal direction of the power supply 6, 7 and thus also the longitudinal axis A of the electrode 5 and the Stromträ ⁇ ger ranks 7.
  • the current-carrying pin 7 is arranged to the longitudinal axis of the cavity 11 substantially coaxial with the longitudinal axis of the cavity 11 corresponds to the longitudinal axis A of the Col ⁇ benhalses. 2
  • Fig. 1 the lamp I is shown in a manufacturing state, in which the ends are still to install the base.
  • the power supply device 6, 7 is melted into the piston neck and the material of the piston neck 2 is squeezed in an embedding zone or a crimping region 22.
  • the current carrier foil 6 is arranged gas-tight in the bulb neck 2.
  • the pinch region 22 extends only partially over the entire length of the piston neck 2 and ends in wesent ⁇ union at the bottom and thus the connection point 13 to ⁇ facing end of the cavity eleventh
  • connection point 13 is formed outside the pinch region 22.
  • the joint can also be arranged in the cavity 12th
  • the cavity 11 is completely filled with a sealing material 12 in the embodiment.
  • the sealing material 12 is designed to protect the oxidation of the part of the power supply device 6, 7 extending into the piston neck 2.
  • the sealing material 12 may be an inorganic adhesive ⁇ material having a temperature resistance greater than 800 ° C. be. However, it may also be provided as a sealing material 12, a metal foam.
  • the cavity 11 extends in the embodiment shown only up to a point of the piston neck 2, which is spaced from the connection point 13 is formed.
  • the sealing material 12 is thus free of contact to the junction 13 and thus also to the current carrier ⁇ film 6 is formed.
  • the longitudinal spacing is characterized by the Be ⁇ reference numbers. 1
  • the current-carrying pin 7 a through ⁇ diameter dl which is substantially smaller than the diameter d2 of the cavity 11.
  • the thickness of the Be dry ⁇ lung material 12, which by the pitch of dominant ⁇ te of the current carrier pin 7 to the cavity 11 be is given - bordering inner wall of the piston neck 2, is thus larger, in particular substantially larger than the radius ((dl) / 2) of the Stromlus Louiss. 7
  • the sealing material 12 is processing process after the embedding, and thus introduced after the melting and Quet ⁇ rule of the bulb neck 2 at the nip 22 in the cavity. 11
  • the radial extent of the cavity 11 is thus substantially greater than the capillaries forming between the material of the piston neck 2 and the current during the melting process and the subsequent cooling process.
  • the cavity 14 is drawn with a radius r to the axis A.
  • the cavity 14 is formed at an end 31 of the piston neck 3 facing away from the discharge space 4. It also extends only to a pinch area 32nd
  • the cavity 11 extends in the direction of the longitudinal axis A viewed from the edge of the rear end 21 of the piston ⁇ neck 2 to a maximum at the beginning of the squish area 22nd
  • the cavity 14 in the piston neck 3 is dimensioned.
  • the electrode 5 with the power supply 6 7 is inserted into the tubular piston neck 2.
  • the Quetschbe- is then generated rich 22 by the neck of the flask is heated in entspre ⁇ sponding stop 2 and the quartz glass material melts.
  • a swaging operation at the corresponding position of the bulb neck 2 is then Runaway ⁇ takes to reach the gas-tight melting of the current carrier film.
  • the piston neck 2 is then cooled and capillaries (not shown) can form, in particular, at the connection point 13 and around the current-carrying pin 7 due to the different material expansions. Only after cooling, the sealing material 12 is then introduced into the cavity 11.
  • the preparation of the lamp I is in the range of Kol ⁇ benhalses. 3
  • the introduction of the sealing material 12 is effected un ⁇ ter a protective atmosphere, such as argon.
  • the lamp I as a halogen incandescent lamp may preferably be provided that the attachment or introduction of the sealing material 12 in the cavity 11 at the same time or at least temporarily simultaneously with the manufacturing step of attaching a pedestal suc ⁇ gen can.
  • Embodiments which have been explained with reference to the design of the lamp I in the region of the piston neck 2, apply analogously to the design and procedure in the joint neck 3 or for a corresponding second piston neck of a lamp I, if it has such a second piston neck.
  • the cavities 11 and 14 are rounded at their end facing the discharge space 4.
  • the sealing material 12 is formed as pfrop ⁇ fenartiger closure. As shown in FIG. 1, it can be seen that the sealing material 12 extends beyond the trailing edge of the trailing end 21.
  • a further layer 16 for protection against oxygen ingress to the power supply device ⁇ 6, 7, 9 and 10 are formed on the sealing material 12, wherein this surface 15 is an upper side facing away from the combustion chamber 4 and facing the environment.
  • the sealing material 12 is introduced into the cavity 11 so that it extends with a certain curvature over the edge of the rear end 21 to the outside.
  • the layer 16 is brought down next to the unstoffba ⁇ ren application to this outwardly extending surface 15 and at the edge of the rear end 21 on ⁇ .
  • the sealing material 12 is thus completely covered by the layer 16 on the exposed surface 15.
  • the layer 16 is in particular after the complete
  • the layer 16 may be made of polyimide or a ceramic fiber material be and is in particular thermally stable up to temperatures of 500 ° C.
  • the additional layer 16 the reduction of Sauerstoffpermeabi ⁇ formality can be further improved and the time up to egg nem possible shaft jump be extended.
  • the duration of the high temperature protection at about 500 ° C can be improved by 15% to 20% by this additional layer 16.
  • the lamp I comprises power supply devices 6, 7 and 9, 10, which each have a current carrier pin and a current carrier foil.
  • an electric lamp at least two pins Strom uman- and / or has at least two current carrier films ⁇ . This can then result in multiple junctions 13.
  • the sum of the cross-sectional areas of the current carrier pins is less than or equal to the Querismesflä ⁇ che of a current carrier foil.
  • connection point 13 at least in the region of the one or more connection points 13, the cross-sectional area of the at least one current carrier pin is smaller than or equal to the sum of the cross-sectional areas of the at least two current carrier foils. Accordingly, it can also be provided that in the region of the connection points 13, the sum of the cross-sectional areas of the current carrier pins is less than or equal to the sum of the cross-sectional areas of the current carrier foils.
  • Fig. 1 an embodiment is shown in which the connection point 13 is formed outside the cavity 11 and in particular in an embedding zone or the pinch region 22 is arranged, so that this connection point 13 is not melted.
  • this tantadsstel ⁇ le 13 is disposed outside of the pinch region 22 and is located in particular within the cavity 11.
  • the current carrier foil 6 is extended, so that it extends in the cavity 11 and there the connection ⁇ point 13 with the then optionally shortened current ⁇ carrier pin 7 is formed.
  • FIG. 2 shows a cross-sectional view along the section line BB, wherein the sectional plane is thus perpendicular to the plane of the figure. 2, the current carrier foil 6 and the current carrier pin 7 is shown at the position of the connection point 13 in the schematic and enlarged illustration.
  • the current-carrying pin 7 has a substantially round cross-sectional area C, whereas the cross-sectional area D of the current-carrying foil 6 is rectangular.
  • the cross-sectional area D of the Stromong ⁇ pin 7 is less than or equal to the cross-sectional area D of the current carrier foil 6.
  • the Radius (dl / 2) of the current carrier pin 7 s dimen ⁇ accordingly, so that a correspondingly thinner Stromthe ⁇ pen 7 can be designed.
  • He particularly advantageous ⁇ has it when at least one point in the region of connection 13, the cross-sectional area C of the at least one current carrier pin 7 is less than or equal to a value 0.75 times the cross-sectional area D of the at least one Stromträ ⁇ gerfolie 6, in particular, this cross-sectional area C klei ⁇ ner or equal to a value 0.5 times the cross-sectional area D is.
  • a further embodiment is shown in which, in contrast to the embodiment in Fig. 2, the current carrier pin 7 is not arranged on both sides of the current carrier foil 6, but only rests on one side and is welded.

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

Abstract

La présente invention concerne un dispositif d'alimentation en courant pour une électrode (5, 8) d'une lampe électrique (I), lequel dispositif comprend au moins une broche porteuse de courant (7, 10) et au moins un film porteur de courant (6, 9) qui sont reliés l'un à l'autre en un point de connexion (13), Au moins dans la zone du point de connexion (13), la section transversale (C) de la/des broche(s) porteuse(s) de courant (7, 10) est inférieure ou égale à la section transversale (D) du/des film(s) porteur(s) de courant (6, 9). L'invention concerne également une lampe électrique équipée d'un tel dispositif d'alimentation en courant.
PCT/EP2008/058641 2008-07-04 2008-07-04 Dispositif d'alimentation en courant pour une électrode d'une lampe électrique équipée d'un tel dispositif d'alimentation en courant Ceased WO2010000325A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
PCT/EP2008/058641 WO2010000325A1 (fr) 2008-07-04 2008-07-04 Dispositif d'alimentation en courant pour une électrode d'une lampe électrique équipée d'un tel dispositif d'alimentation en courant
TW098121582A TW201007813A (en) 2008-07-04 2009-06-26 Device for feeding electricity to an electrode of an electrode of an electric lamp and electric lamp with such a power supply device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/EP2008/058641 WO2010000325A1 (fr) 2008-07-04 2008-07-04 Dispositif d'alimentation en courant pour une électrode d'une lampe électrique équipée d'un tel dispositif d'alimentation en courant

Publications (1)

Publication Number Publication Date
WO2010000325A1 true WO2010000325A1 (fr) 2010-01-07

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PCT/EP2008/058641 Ceased WO2010000325A1 (fr) 2008-07-04 2008-07-04 Dispositif d'alimentation en courant pour une électrode d'une lampe électrique équipée d'un tel dispositif d'alimentation en courant

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TW (1) TW201007813A (fr)
WO (1) WO2010000325A1 (fr)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3735523A1 (de) * 1986-10-20 1988-04-28 Tungsram Reszvenytarsasag Alkali-halogenid als zusatz enthaltende metallhalogen-entladungslampe
EP0802561A1 (fr) * 1996-04-19 1997-10-22 Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH Lampe halogène
US20020135304A1 (en) * 2000-12-12 2002-09-26 Hisashi Honda High pressure discharge lamp, high pressure discharge lamp lighting apparatus and luminaire therefor

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3735523A1 (de) * 1986-10-20 1988-04-28 Tungsram Reszvenytarsasag Alkali-halogenid als zusatz enthaltende metallhalogen-entladungslampe
EP0802561A1 (fr) * 1996-04-19 1997-10-22 Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH Lampe halogène
US20020135304A1 (en) * 2000-12-12 2002-09-26 Hisashi Honda High pressure discharge lamp, high pressure discharge lamp lighting apparatus and luminaire therefor

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