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EP2342737B1 - Lampe à incandescence à halogène pour le fonctionnement sur la tension du réseau - Google Patents

Lampe à incandescence à halogène pour le fonctionnement sur la tension du réseau Download PDF

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Publication number
EP2342737B1
EP2342737B1 EP09749042.9A EP09749042A EP2342737B1 EP 2342737 B1 EP2342737 B1 EP 2342737B1 EP 09749042 A EP09749042 A EP 09749042A EP 2342737 B1 EP2342737 B1 EP 2342737B1
Authority
EP
European Patent Office
Prior art keywords
piston
incandescent lamp
halogen incandescent
pinch
bulb
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.)
Not-in-force
Application number
EP09749042.9A
Other languages
German (de)
English (en)
Other versions
EP2342737A1 (fr
Inventor
Thomas Heil
Heinz Lang
Georg Rosenbauer
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 EP2342737A1 publication Critical patent/EP2342737A1/fr
Application granted granted Critical
Publication of EP2342737B1 publication Critical patent/EP2342737B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01K—ELECTRIC INCANDESCENT LAMPS
    • H01K1/00—Details
    • H01K1/28—Envelopes; Vessels
    • 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
    • H01K1/00—Details
    • H01K1/38—Seals for leading-in conductors

Definitions

  • the invention is based on a halogen incandescent lamp for operation on mains voltage. This means a voltage in the range of typically 100 to 260 volts.
  • An object of the present invention is to provide a halogen incandescent lamp which is energy-saving. This object is achieved by the characterizing features of claim 1.
  • halogen incandescent lamp is equipped with a luminous body, which is suitable for operation on mains voltage, ie in the so-called.
  • MV Medium Voltage operation
  • HV high voltage operation
  • Such a filament is particularly long, compared with Halogen incandescent lamp for NV operation below 80 V.
  • Another feature that acts in the direction of energy savings is the use of a xenon-containing filling gas mixture, in particular a xenon filling, as is known per se.
  • Another way to save xenon filling gas is to reduce the filling pressure, but here also the lamp quality and the lifetime are also reduced.
  • the volume is therefore reduced according to the invention in that an initially cylindrical piston is flattened on at least two sides in a section close to the pinch, so that it has an oval in cross-section is similar, with two broad sides and two strongly curved narrow sides.
  • This has the disadvantage that the distance between the power supply lines in this area would have to be reduced, which promotes arcing and the formation of an arc. Especially for HV operation, this is undesirable.
  • the luminous element is preferably U-shaped, V-shaped or W-shaped bent, but it can also be arranged axially.
  • a very effective additional volume-reducing measure is the chamfering of a portion close to the crimp of the piston.
  • This bevel is applied to the broadsides so that there is practically a ramp between the pinch and the central part of the volume.
  • a preferred taper angle against the lamp axis is 20 to 60 °.
  • An alternative or additional measure in the area close to the crushing area is an indentation according to the invention or arranged diagonally or transverse to the axis, which extends from the pinch in the direction of the center of the piston. Depending on the depth and width of the dent can be saved considerably volume.
  • This chamfer is a flat pressing of the piston, so that opposite wall parts approach each other.
  • the helix distance to the frontal chamfer is not smaller than the smallest lateral distance of the helix to the piston wall.
  • a slightly bulbous frontal piston contour can be selected, so that after a possible spiral sag during the life of the coil distance to the piston is not too low.
  • Another volume-reducing measure is a bevel in the region of the end opposite the pinch.
  • This second end is provided with a pump tip.
  • a pump tip usually, in a "shoulder region" the wall of the cylindrical piston is guided at approximately a 90 ° angle to the pump tip.
  • the lamp has so-called retaining nubs for fastening the luminous element to at least one, preferably two or three points.
  • These pimples are preferred not only because they minimize rack costs, but above all because the pimples also save volume.
  • these nubs are performed with the largest possible funnel widening. This funnel widening is carried out mainly in the longitudinal axis, but also transversely to the lamp axis.
  • the longitudinal extent of the funnel is more than 20% greater than the transverse extent.
  • This lamp is due to their irregular contour not suitable for IRC coating, but the focus of the application is a cost-effective energy-saving alternative to normal light bulbs, which are known to be very low in cost.
  • the use of xenon is attractive only in terms of volume reduction for such a mass-produced article.
  • Preferred is a lamp that combines as many, if not all, of the preferred measures in it.
  • volume-reduced piston succeeds, for example, by means of larger heating zones and additional squeezing tools on the squeezing machine and the Noppmaschine, so that the piston molding can already be performed during squeezing.
  • individual or all measures of the piston volume reduction can also be carried out beforehand during the piston forming on the output piston but also subsequently after squeezing on the lamp which has not been pumped.
  • An embodiment which is optimized for temperature loading is characterized in that a lower section of the piston is chamfered close to the crimp in the described manner and is thus oval-shaped, while an overlying middle section, which may be equipped with nubs, reaches the original diameter of the piston tube. that is cylindrical or close to this shape, for example, is modified by the knobs.
  • a usual filling pressure of xenon gas is 2 to 8 bar. Typically, a value of about 4 bar.
  • a conventional halogen additive as known per se, is used as the filling.
  • the inert gas used is also an Xe-N2 mixture or another xenon / krypton / argon noble gas mixture, usually in the presence of small amounts of nitrogen.
  • the wall thickness of such pistons must not be too large, otherwise the deformation will not succeed. It should be in the range 0.8 to 1.3 mm, preferably it should be smaller than 1.1 mm.
  • a typical diameter of the piston, considered as a tube in the undisturbed state, is 10 to 15 mm, preferably to 13.5 mm.
  • a typical volume of the piston in the final state is 0.6 to 1.2 cm 3 , preferably 0.7 to 0.8 cm 3 .
  • the wattage is preferably 10 to 100 W, wherein the W-wire of the filament has a diameter of 13 to 100 microns and the luminous sections are double-wove.
  • the ends of the filament are simply coiled or uncoiled.
  • FIG. 1 An example of a halogen incandescent lamp 1 shows FIG. 1 , It has a piston 2 made of quartz glass, which is sealed with a pinch seal 3. In the interior of the piston, a U-shaped filament 4 is mounted, which is connected via two inner power supply lines 5, each with a film 6 in the pinch seal 3.
  • the power supply lines are typically made of tungsten or molybdenum or similar. and have a diameter of 13 to 100 microns, depending on the wattage of the lamp.
  • the piston contains a conventional halogen-containing filling together with xenon at a cold filling pressure of 3 to 4 bar. The nature of the halogen-containing filling is not important here.
  • the film 6 is each made of molybdenum.
  • the piston has an axially arranged knob 10 for holding the filament.
  • a pump tip 11 At the end away from the squeeze he has a pump tip 11.
  • FIG. 2 the lamp 1 is shown in perspective.
  • the piston 2 which was originally made of a tube cylindrical, is pressed flat to an oval. This means that it has two flat broad sides 12 and two curved narrow sides 13.
  • the knob 10 is located at the upper end of the oval area and is integrated in this.
  • the shoulder portion 14 of the piston, which leads to the pumping tip 11, is angled at right angles to the axially parallel wall of the oval portion.
  • the piston has a slight bevel 19.
  • FIG. 3 shows another example of a halogen incandescent lamp 1, wherein the piston has a cylindrical center portion 20 and inclined ramps 21, which emanate from the pinch 3 and define the broadsides.
  • the angle of the slope of the ramp 21 is preferably 40 to 50 °.
  • this ramp 21 cooperates with an oval portion 22 of the piston, so that a volume reduction is stronger.
  • This embodiment is in FIG. 4 shown.
  • FIG. 5 shows an embodiment having a piston 2 with an oval portion 12, this time together with a tapered shoulder portion 25 which leads to the pumping tip 11.
  • this embodiment has an axial dent 26 in the region close to the crimp, which further reduces the volume. This dent is present on each broad side, without touching the inner wall of the two dents.
  • FIG. 6 an example in which rotated in side view by 90 °, a piston 2 is shown, in which a near-crimping area 30 is formed oval, while a crimping remote area 31 has a larger outer dimension.
  • the area 31 is effectively reduced in its volume by a pronounced funnel-shaped nub 32 for the support of the luminous element 4.
  • the length L of the piston calculated from the end of the pinch 3 to the beginning of the pumping tip 11, is divided into the two regions such that the oval region 30 with length LO exceeds about 30 to 45%. extends the length L, while the funnel dominated section makes up the remainder LE of length L.
  • the production of the lamp succeeds with specially shaped extended crimping jaws around the oval section as in FIG. 6 shown produce.
  • the shoulder slope 25 can best be formed with the curling of the piston tip from the cylindrical tube, by a larger piston area is heated.
  • the funnel-shaped nub 32 can be shaped both before the main squeezing and after the main squeezing.
  • FIG. 7 shows another example similar to FIG. 6 in which, in a side view rotated by 90 °, a piston 2 is shown, in which a short area close to the pinch 40 is oval-shaped, while a middle area 41, which is free of pinching, has a larger outer dimension. Another oval region 42 is effectively reduced in its volume by a funnel-shaped nub 32 for holding the filament 4.
  • FIG. 8 shows a halogen incandescent lamp 50 with glass base 51, wherein the outer power supply lines 52 are bent back to the pinch 53 side and anchored there in slots 54 on the narrow sides 55 of the pinch.
  • the indentation of the piston in the vicinity of the pinch succeeds solely by suitable adjustment of the flame pressure of the outflowing combustion gases during squeezing.
  • FIG. 9 shows a similar example in different views.
  • FIG. 9a shows the halogen bulb 50 in perspective. It has a glass base 51 similar to the lamp in FIG. 8 ,
  • the piston 56 is rounded with oval shape seen in cross-section. He's capped a slope 57, a flattened part 58 and a transition part 59, which includes a knob 60 for holding the filament.
  • a portion of the piston is unchanged cylindrical (61) shaped.
  • a section in different heights for this lamp 50 show the FIGS. 9d and 9e ,
  • the two “broad sides” of the piston are straight in section, while the two “narrow sides” of the piston follow circular cutouts.
  • the term “broadsides" and “narrow sides” is based here on the broad sides and narrow sides of the pinch. Depending on the cutting plane, the oval is more or less deformed.
  • the maximum diameters D1 and D2 of the oval in the direction of the "broad sides” or “narrow sides” are typically 10 to 12 mm for D1 (with respect to the "broad sides") and about 13 mm for D2 (with respect to the "narrow sides”).
  • the filling contains at least 90% Xe content, in particular a small amount of N2 is added, which is about 3 to 10%.

Landscapes

  • Vessels And Coating Films For Discharge Lamps (AREA)
  • Resistance Heating (AREA)

Claims (5)

  1. Lampe à incandescence à halogène (1) pour le fonctionnement sur la tension du réseau, avec une ampoule (2) pincée d'un côté, qui présente un pincement (3) et dans laquelle un corps luminescent (4) et une charge contenant un halogène ainsi qu'un gaz inerte sont logés, dans laquelle l'ampoule (2) possède au moins une bosse (10) pour maintenir le corps luminescent (4), et au moins une partie (12) de l'ampoule (2), qui est disposée à proximité du pincement (3), est de forme ovale en section transversale et présente deux côtés larges (12) ainsi que deux côtés étroits incurvés (13), dans laquelle la charge contient du xénon comme gaz inerte, dans laquelle il se trouve, pour la réduction du volume, une déformation axiale (26) dans la région proche du pincement (3) sur chaque côté large (12) de la partie de l'ampoule (2) de forme ovale en section transversale, sans que la paroi intérieure des deux déformations (26) se touche, et dans laquelle une extrémité de l'ampoule (2) opposée au pincement (3) est fermée au moyen d'un queusot (11), caractérisée en ce qu'une région de transition (25) conduisant au queusot est réalisée en forme de région d'épaulement avec une pente de 30° à 70°.
  2. Lampe à incandescence à halogène selon la revendication 1, caractérisée en ce que le corps luminescent (4) est disposé en forme de U, en forme de V, en forme de W ou sous forme axialement linéaire.
  3. Lampe à incandescence à halogène selon la revendication 2, caractérisée en ce que les bosses (10) sont réalisées en forme d'entonnoir.
  4. Lampe à incandescence à halogène selon la revendication 7, caractérisée en ce que l'extension longitudinale de l'entonnoir est au moins de 20 % plus grande que son extension transversale.
  5. Lampe à incandescence à halogène selon la revendication 1, caractérisée en ce que le rapport des diamètres D1 et D2 en direction du côté large (12) et du côté étroit (13) de l'ampoule (2) présente une excentricité V = 0,05 à V = 0,50.
EP09749042.9A 2008-11-03 2009-10-22 Lampe à incandescence à halogène pour le fonctionnement sur la tension du réseau Not-in-force EP2342737B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102008054287A DE102008054287A1 (de) 2008-11-03 2008-11-03 Halogenglühlampe für den Betrieb an Netzspannung
PCT/EP2009/063889 WO2010060699A1 (fr) 2008-11-03 2009-10-22 Lampe à incandescence à halogène pour le fonctionnement sur la tension du réseau

Publications (2)

Publication Number Publication Date
EP2342737A1 EP2342737A1 (fr) 2011-07-13
EP2342737B1 true EP2342737B1 (fr) 2016-08-03

Family

ID=41625002

Family Applications (1)

Application Number Title Priority Date Filing Date
EP09749042.9A Not-in-force EP2342737B1 (fr) 2008-11-03 2009-10-22 Lampe à incandescence à halogène pour le fonctionnement sur la tension du réseau

Country Status (5)

Country Link
US (1) US20110215718A1 (fr)
EP (1) EP2342737B1 (fr)
CN (1) CN102203902B (fr)
DE (1) DE102008054287A1 (fr)
WO (1) WO2010060699A1 (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8525409B2 (en) * 2011-06-14 2013-09-03 General Electric Company Efficient lamp with envelope having elliptical portions
CN202585344U (zh) * 2012-04-27 2012-12-05 鹤山市广明源照明电器有限公司 一种卤素灯泡
GB2519327A (en) * 2013-10-17 2015-04-22 Amc Automation Co Ltd Quartz light
DE102015213367A1 (de) 2015-07-16 2017-01-19 Osram Gmbh Halogenglühlampe

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4008367A1 (de) 1990-03-15 1991-09-26 Patent Treuhand Ges Fuer Elektrische Gluehlampen Mbh Einseitig gequetschte halogengluehlampe
DE19701792A1 (de) 1997-01-20 1998-07-23 Patent Treuhand Ges Fuer Elektrische Gluehlampen Mbh Glühlampe mit Reflexionsschicht
DE102004023935A1 (de) * 2004-05-12 2005-12-08 Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH Glühwendel für eine Glühlampe und Glühlampe
DE102005019113A1 (de) * 2005-04-25 2006-10-26 Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH Halogenglühlampe und Verfahren zu ihrer Herstellung
CN2904291Y (zh) 2006-01-11 2007-05-23 深圳可见优照明电器有限公司 中空管状/环状支架结构的卤钨灯
DE202006002562U1 (de) * 2006-02-17 2006-04-27 Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH Elektrische Lampe mit Haltequetschung für den Leuchtkörper

Also Published As

Publication number Publication date
DE102008054287A1 (de) 2010-05-06
EP2342737A1 (fr) 2011-07-13
US20110215718A1 (en) 2011-09-08
CN102203902B (zh) 2014-12-17
WO2010060699A1 (fr) 2010-06-03
CN102203902A (zh) 2011-09-28

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