EP2342737A1 - Halogenglühlampe für den betrieb an netzspannung - Google Patents
Halogenglühlampe für den betrieb an netzspannungInfo
- Publication number
- EP2342737A1 EP2342737A1 EP09749042A EP09749042A EP2342737A1 EP 2342737 A1 EP2342737 A1 EP 2342737A1 EP 09749042 A EP09749042 A EP 09749042A EP 09749042 A EP09749042 A EP 09749042A EP 2342737 A1 EP2342737 A1 EP 2342737A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- piston
- incandescent lamp
- halogen incandescent
- lamp according
- shaped
- 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.)
- Granted
Links
- 229910052736 halogen Inorganic materials 0.000 title claims abstract description 39
- 150000002367 halogens Chemical class 0.000 title claims abstract description 39
- 229910052724 xenon Inorganic materials 0.000 claims abstract description 15
- FHNFHKCVQCLJFQ-UHFFFAOYSA-N xenon atom Chemical compound [Xe] FHNFHKCVQCLJFQ-UHFFFAOYSA-N 0.000 claims abstract description 14
- IHQKEDIOMGYHEB-UHFFFAOYSA-M sodium dimethylarsinate Chemical class [Na+].C[As](C)([O-])=O IHQKEDIOMGYHEB-UHFFFAOYSA-M 0.000 claims description 13
- 239000011261 inert gas Substances 0.000 claims description 5
- 230000007704 transition Effects 0.000 claims description 3
- 239000011521 glass Substances 0.000 description 5
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 4
- 238000011038 discontinuous diafiltration by volume reduction Methods 0.000 description 4
- 239000007789 gas Substances 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 4
- 239000000203 mixture Substances 0.000 description 3
- 238000005086 pumping Methods 0.000 description 3
- 239000010453 quartz Substances 0.000 description 3
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 2
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 229910052750 molybdenum Inorganic materials 0.000 description 2
- 239000011733 molybdenum Substances 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 229910052786 argon Inorganic materials 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 238000002788 crimping Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 239000002737 fuel gas Substances 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 229910052743 krypton Inorganic materials 0.000 description 1
- DNNSSWSSYDEUBZ-UHFFFAOYSA-N krypton atom Chemical compound [Kr] DNNSSWSSYDEUBZ-UHFFFAOYSA-N 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 229910052756 noble gas Inorganic materials 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 1
- 229910052721 tungsten Inorganic materials 0.000 description 1
- 239000010937 tungsten Substances 0.000 description 1
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
- Halogen bulb for operation on mains voltage
- 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.
- a luminous body which is suitable for operation at mains voltage, ie in so-called.
- MV Medium Voltage operation
- HV high voltage operation
- a luminous body is particularly long, compared with Halogen incandescent lamp for NV operation below 80 V.
- Another feature which works in the direction of energy saving is the use of a xenon-containing filling gas mixture, in particular a xenon filling, as known per se.
- Another way to save xenon filling gas is to reduce the filling pressure, but in this case the quality of the lamp or the service life 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 slope 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 axially parallel-or transverse to the axis-dent or chamfer-like chamfer, which extends from the pinch in the direction of the center of the piston.
- This chamfer is a flat pressing of the piston, so that opposite wall parts closer to each other.
- CKEN a flat pressing of the piston, so that opposite wall parts closer to 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 to the pinch.
- This second end is provided with a pump tip.
- the wall of the cylindrical piston is guided at approximately a 90 ° angle to the pump tip, but it has been shown that, with suitable shaping during piston production, it is possible to increase the volume in this shoulder region by forming one
- shoulder slope significantly by the second end, starting from the cylindrical central part, is guided in a shoulder slope of about 30 to 70 ° to the pump tip.
- the lamp preferably has so-called holding naps for fastening the filament to at least one, preferably two or three points.
- These nubs are preferred not only because they minimize rack costs, but above all because the nubs also save volume.
- these nubs are performed with the largest possible funnel widening.
- This funnel expansion is mainly carried out 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 not suitable for IRC coating due to its irregular contour, but the focus of the application is a cost-effective energy-saving alternative to normal incandescent 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.
- the volume of the piston is suitably equalized withAlbt.
- the volume-reducing measures can be carried out in particular partially or completely when attaching the knobs with.
- volume-saving steps "oblique piston shoulder at an angle of 30-70 °", “oval joint” and “bevel near the pinch” can also be realized with frame-mounted halogen incandescent lamps.
- An embodiment which is optimized for temperature loading is given by the fact that a lower section of the piston is chamfered close to the crimp in the described manner and is therefore oval in shape, while an overlying middle section, which can be equipped with knobs, corresponds to the original diameter of the piston tube is reached, that is cylindrically shaped or comes close to this shape, for example, by the nubs is modified.
- a volume saving of 10 to 35% over a conventional piston arise. Typical is a value of 20%. This saving is reflected directly in a reduced demand on Xenon for the filling.
- a usual filling pressure of the 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 shows a halogen incandescent lamp with an oval flattened piston
- FIG. 2 shows the lamp from FIG. 1 in perspective
- Figure 3 shows another embodiment with flattened piston
- FIG. 4 shows a further exemplary embodiment with flattened and flattened piston
- Figure 5 shows another embodiment with bevelled shoulders and dent
- Figure 6 shows another embodiment with flat
- FIG. 7 shows a further embodiment with oval piston section slightly expanded in the longitudinal direction
- Figure 8 shows another embodiment with flattened piston
- Figure 9 shows another embodiment with flattened piston in different views and with different details (9a to 9e).
- FIG. 1 An embodiment of a halogen incandescent lamp 1 is shown in FIG. 1. It has a bulb 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 attached, which is connected via two inner power supply lines 5, each with a film 6 in the pinch seal 3.
- the power supplies 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 nub 10 for holding the filament.
- a pump tip 11 At the end away from the squeeze he has a pump tip 11.
- 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 a further exemplary embodiment of a halogen incandescent lamp 1, in which the piston has a cylindrical center section 20 and inclined ramps 21 which originate from the pinch 3 and which define the broad sides.
- 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 more pronounced. This embodiment is shown in FIG.
- FIG. 5 shows a further exemplary embodiment which has a piston 2 with an oval section 12, this time together with a beveled shoulder section 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 shows an exemplary embodiment in which a piston 2 is shown rotated in a side view through 90 °, in which a region 30 close to the crimp is oval-shaped, while a region 31 having a region close to the crimp has a larger outer dimension. However, 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.
- FIG. 6 In a long drawn o- valen section similar to that shown in Figure 1, it is better to form the initial cylindrical piston later.
- 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 a further exemplary embodiment similar to FIG. 6, in which a piston 2 is shown rotated in a side view through 90 °, in which a short area close to the pinch area 40 is oval-shaped, while a middle area 41, which is near the crimp, 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 a glass base 51, in which the outer current supply lines 52 are bent back laterally to the pinch 53 and are anchored there in slots 54 on the narrow sides 55 of the pinch seal.
- the piston is pressed close to the pinch by simply adjusting the flame pressure of the escaping fuel gases during squeezing.
- FIG. 9a shows the halogen incandescent lamp 50 in perspective. It has a glass base 51 similar to the lamp in Figure 8.
- the piston 56 is rounded with an 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 at different heights for this lamp 50 is shown in 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 ratio D1 / D2 is therefore about 92%.
- the filling contains at least 90% Xe content, in particular a small amount of N2 is added, which is about 3 to 10%.
- Halogen bulb for operation at mains voltage, with a one-side squashed piston, in the one Luminous body and a halogen-containing filling and inert gas is housed, characterized in that at least a portion of the piston, which is arranged in the vicinity of the pinch, is oval shaped, wherein the filling comprises as an inert gas xenon.
- Halogen incandescent lamp according to claim 1 characterized in that the piston has at least one nub for holding the filament, preferably one to three nubs.
- Halogen incandescent lamp according to claim 1 characterized in that the luminous element is arranged in a U-shaped, V-shaped, W-shaped or axially linear manner.
- Halogen incandescent lamp according to claim 1 characterized in that the pinch end opposite to a pump tip is closed, wherein the transition region is designed as a shoulder region with a bevel of 30 to 70 °.
- Halogen incandescent lamp according to claim 1 characterized in that between pinch and actual oval section with constant diameter of the broad sides, there is a lower area, in which the broad sides of the oval portion are chamfered.
- Halogen incandescent lamp according to claim 1 characterized marked characterized in that close to the crushing a chamfered area is present. 7. Halogen incandescent lamp according to claim 2, characterized in that the nubs are funnel-shaped.
Landscapes
- Vessels And Coating Films For Discharge Lamps (AREA)
- Resistance Heating (AREA)
Abstract
Description
Claims
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 (de) | 2008-11-03 | 2009-10-22 | Halogenglühlampe für den betrieb an netzspannung |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP2342737A1 true EP2342737A1 (de) | 2011-07-13 |
| EP2342737B1 EP2342737B1 (de) | 2016-08-03 |
Family
ID=41625002
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP09749042.9A Not-in-force EP2342737B1 (de) | 2008-11-03 | 2009-10-22 | Halogenglühlampe für den betrieb an netzspannung |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US20110215718A1 (de) |
| EP (1) | EP2342737B1 (de) |
| CN (1) | CN102203902B (de) |
| DE (1) | DE102008054287A1 (de) |
| WO (1) | WO2010060699A1 (de) |
Families Citing this family (4)
| 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)
| 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 |
-
2008
- 2008-11-03 DE DE102008054287A patent/DE102008054287A1/de not_active Withdrawn
-
2009
- 2009-10-22 WO PCT/EP2009/063889 patent/WO2010060699A1/de not_active Ceased
- 2009-10-22 CN CN200980143899.XA patent/CN102203902B/zh not_active Expired - Fee Related
- 2009-10-22 US US13/127,255 patent/US20110215718A1/en not_active Abandoned
- 2009-10-22 EP EP09749042.9A patent/EP2342737B1/de not_active Not-in-force
Non-Patent Citations (1)
| Title |
|---|
| See references of WO2010060699A1 * |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2010060699A1 (de) | 2010-06-03 |
| US20110215718A1 (en) | 2011-09-08 |
| EP2342737B1 (de) | 2016-08-03 |
| CN102203902B (zh) | 2014-12-17 |
| CN102203902A (zh) | 2011-09-28 |
| DE102008054287A1 (de) | 2010-05-06 |
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