EP2370986A1 - ELEKTRISCHE LAMPE MIT AUßENKOLBEN - Google Patents
ELEKTRISCHE LAMPE MIT AUßENKOLBENInfo
- Publication number
- EP2370986A1 EP2370986A1 EP10712374A EP10712374A EP2370986A1 EP 2370986 A1 EP2370986 A1 EP 2370986A1 EP 10712374 A EP10712374 A EP 10712374A EP 10712374 A EP10712374 A EP 10712374A EP 2370986 A1 EP2370986 A1 EP 2370986A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- outer bulb
- extension part
- bulb
- tube
- pumping
- 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
- 238000004519 manufacturing process Methods 0.000 claims abstract description 7
- 239000011888 foil Substances 0.000 claims abstract description 6
- 239000011324 bead Substances 0.000 claims description 25
- 238000005086 pumping Methods 0.000 claims description 18
- 238000002844 melting Methods 0.000 claims description 10
- 230000008018 melting Effects 0.000 claims description 10
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 8
- 238000010438 heat treatment Methods 0.000 claims description 7
- 238000007789 sealing Methods 0.000 claims description 6
- 239000000155 melt Substances 0.000 claims description 4
- 238000000034 method Methods 0.000 claims description 4
- 238000000465 moulding Methods 0.000 claims description 4
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 3
- 238000005096 rolling process Methods 0.000 claims description 3
- 239000002243 precursor Substances 0.000 claims description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 4
- 239000011521 glass Substances 0.000 description 4
- 229910001507 metal halide Inorganic materials 0.000 description 4
- 150000005309 metal halides Chemical class 0.000 description 4
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 3
- 229910052736 halogen Inorganic materials 0.000 description 3
- 150000002367 halogens Chemical class 0.000 description 3
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 2
- 208000034656 Contusions Diseases 0.000 description 2
- 230000017525 heat dissipation Effects 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- 230000007704 transition Effects 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 229910052786 argon Inorganic materials 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000002788 crimping Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 238000005429 filling process Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 150000002431 hydrogen Chemical class 0.000 description 1
- 239000011261 inert gas Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J61/00—Gas-discharge or vapour-discharge lamps
- H01J61/02—Details
- H01J61/30—Vessels; Containers
- H01J61/34—Double-wall vessels or containers
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- 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
- H01J9/26—Sealing together parts of vessels
- H01J9/265—Sealing together parts of vessels specially adapted for gas-discharge tubes or lamps
- H01J9/266—Sealing together parts of vessels specially adapted for gas-discharge tubes or lamps specially adapted for gas-discharge lamps
-
- 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
- H01J9/38—Exhausting, degassing, filling, or cleaning vessels
Definitions
- the invention relates to an electric lamp with an outer bulb according to the preamble of claim 1.
- Such lamps are in particular high-pressure discharge lamps or halogen incandescent lamps.
- EP-A 1 492 146 describes a high-pressure discharge lamp with an outer bulb, in which an outer bulb is applied to an inner bulb.
- the outer bulb is mounted on a tubular extension part of a seal of the inner piston.
- the object of the present invention is to provide an electric bulb with an outer bulb, in which a good heat dissipation between the inner bulb and outer bulb is ensured.
- the sealing of the discharge vessel receives an additional bead, often referred to as a pearl, namely, this bead lies in the region of the melt in the vicinity of the outer end of the film.
- This bead serves as a connection point for the outer bulb and effectively dissipates the temperature.
- the additional bead at the level of the melting where the outer end of the film sits allows a better solution.
- the end of the outer bulb will now be noticed on this bead.
- This bead has a small connection area with the outer bulb compared to the large-area connection on the extension part. Because of the small-area connection, the stresses in the glass of the outer bulb are significantly reduced. In addition, the connection can be made with significantly less energy because the area to be connected is smaller. Furthermore, this connection creates a larger angle between the connected components (outer piston and burner shaft), which leads to better mechanical strength.
- the pump hole itself is no longer closed, but cut off from the volume of the outer bulb by the bead.
- the outer bulb can also be connected to the inner piston in the region of the extension part over a small area. Furthermore, this construction results in a thermal demarcation which optionally makes it possible to open the pumping hole area via negative pressure and temperature during a Finished demarcation (equator of the pearl) to attract attention.
- the outer bulb filling can optionally be vacuum, nitrogen (50 mbar - 800 mbar), argon (50 mbar - 800 mbar) or other gas mixtures or air (normal pressure, open system).
- the manufacturing method basically uses the following steps:
- the tube b) feeding the tube each with an electrode system at each end, the electrode system comprising an electrode, a foil, a power supply and a pedestal;
- a renewed rollback can be used, wherein advantageously the area to be rolled has already been brought to a significantly smaller diameter in the first looping process.
- the pumping hole can also be closed by simply closing by applying vacuum.
- Another alternative is melting by laser beam, or plasma heating, or any other established method.
- FIG. 1 shows a first embodiment of a metal halide lamp
- FIG. 2 shows an exemplary embodiment of a halogen incandescent lamp
- FIG. 3 shows a manufacturing method for the lamp according to FIG. 1, highly schematized
- Fig. 4 shows the novel end of the manufacturing process
- FIG. 5 shows a detailed view of the area around the pump hole with bead and still open pump path
- FIG. 6 shows a detail of the area around the pump hole with bead and closed pump path.
- FIG. 1 shows a highly schematic side view of a metal halide lamp 1 sealed on two sides.
- the discharge vessel 2 made of quartz glass, which is designed as a barrel body, encloses two electrodes 3 together with a metal halide filling.
- the piston ends are sealed by bruises 4 or seals, are embedded in the films 5. These are connected to external power supply lines 6.
- the outer power supply 6 is guided in a tubular sleeve 7 and terminates in a socket 8 of an integral base part 9.
- the base is made in one piece from steel and also comprises a circular disk 10 as a contact element and barbs 11 as a centering and support.
- the bulbous part of the discharge vessel is surrounded by an outer bulb 12 which is rolled up in the region of the transition between the pinch 4 and the sleeve 7 (13).
- the outer bulb 12 has a circumferential dent 14, so that an elastic carrier tape 15 made of stainless steel or nickel-plated iron is spread on the inner surface of the outer bulb without being able to slip sideways.
- the carrier tape contains getter materials such as Zr, Fe, V, Co. They are used to absorb various substances such as oxygen, hydrogen, etc.
- the outer bulb can be filled with nitrogen, another inert gas or vacuum.
- the discharge vessel 2 is completed from a cylindrical tube by means of a forming roller and possibly crimping jaws, each fixing an electrode system introduced into the still open tube by squeezing, for example examples the ends with a seal (pinch 4 or sealing) is provided.
- a seal for example examples the ends with a seal (pinch 4 or sealing) is provided.
- integrally attached sleeve-shaped extension parts 7 are on the seals.
- a first extension part 7a is completed by the initially still open end 16a of the extension part striking an introduced base part 17
- a pump hole 18 remains open in the second extension part 7b.
- the open end 16 b is not initially treated.
- the cylindrical outer piston 12 is pretreated in parallel to that extent that a circumferential dent 14 fixed laterally clamped a carrier tape in the outer bulb 12 laterally.
- the atmosphere in the outer bulb can be pumped out.
- the pumping path is indicated as arrow P3.
- the outer bulb 12 may be charged with any inert atmosphere via this pumping path or maintained vacuum.
- the pumping hole 18 is possibly closed by either being rolled up or Laser is melted, or just after heating under application of negative pressure by itself falls. But this is not necessary.
- the end 16b of the second extension part is "shrunk", but only to the point that it rests on the bead 30.
- the getter strip 15, if necessary with the getter used, can later be activated by the outer bulb 12 by means of a laser.
- Figure 3 shows a halogen incandescent lamp 20 which is designed very similar, but it has no electrodes, but a luminous element 21 in the interior of the inner piston.
- FIG. 4 shows in detail the region of the connection between the inner piston 2 and the outer piston 12.
- the glass bead 30, which can be produced, for example, as a peripheral collar or bead by swaging, rolling or shaping the sealing area, is located approximately at the level of the outer end of the film 5 located in the melting 24.
- the pump hole 18 sits further outside, which creates a connection in the outer piston 12 from the tubular extension 7 from.
- the outer bulb 12 is attached only at its outer end to the extension part 7 of the inner piston. The outer bulb is still spaced from the glass bead 30.
- Figure 5 shows that subsequently the end portion of the outer bulb is heated and the tubular narrow end
- volume of the outer bulb cuts off. If necessary, the pump hole remains as such. At the same time acts This annular small-area connection as the ideal thermal bridge between the melt 24 and outer bulb 12th
- the discharge vessel 2 according to FIG. 6 has, for example, a filling of metal halides as known per se. Furthermore, two electrodes 3 are arranged in the discharge vessel, between which the discharge arc burns.
- both bruises 4 such beads 30 in the vicinity of the film end.
- only one of them has a function in connection with the closing of the pumping hole 18.
- the shape of the bead can be 0.4 times to several times the outer diameter of the shaft (crushing or melting).
- the Perle 30 is a rotationally symmetrical basic body (spherical or lens shape), which has a rounded outer contour in the largest diameter range.
- the transition region to the cylinder-like shaft region can be formed angular or rounded.
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Vessels And Coating Films For Discharge Lamps (AREA)
- Manufacture Of Electron Tubes, Discharge Lamp Vessels, Lead-In Wires, And The Like (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102009015895A DE102009015895A1 (de) | 2009-04-01 | 2009-04-01 | Elektrische Lampe mit Außenkolben |
| PCT/EP2010/053109 WO2010112314A1 (de) | 2009-04-01 | 2010-03-11 | ELEKTRISCHE LAMPE MIT AUßENKOLBEN |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP2370986A1 true EP2370986A1 (de) | 2011-10-05 |
| EP2370986B1 EP2370986B1 (de) | 2013-05-08 |
Family
ID=42629509
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP10712374.7A Not-in-force EP2370986B1 (de) | 2009-04-01 | 2010-03-11 | ELEKTRISCHE LAMPE MIT AUßENKOLBEN |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US20110309733A1 (de) |
| EP (1) | EP2370986B1 (de) |
| JP (1) | JP2012523066A (de) |
| CN (1) | CN102388429A (de) |
| DE (1) | DE102009015895A1 (de) |
| WO (1) | WO2010112314A1 (de) |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3813421A1 (de) * | 1988-04-21 | 1989-11-02 | Philips Patentverwaltung | Hochdruck-quecksilberdampfentladungslampe |
| CA2042143A1 (en) * | 1990-06-27 | 1991-12-28 | John J. Biel | Discharge lamp with surrounding shroud and method of making such lamp |
| JPH08162007A (ja) * | 1994-12-06 | 1996-06-21 | Koito Mfg Co Ltd | 放電ランプ装置 |
| DE10325554A1 (de) | 2003-06-05 | 2004-12-23 | Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH | Verfahren zur Herstellung einer elektrischen Lampe mit Außenkolben |
| DE102004056453A1 (de) * | 2004-11-23 | 2006-05-24 | Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH | Elektrische Lampe mit Außenkolben |
-
2009
- 2009-04-01 DE DE102009015895A patent/DE102009015895A1/de not_active Withdrawn
-
2010
- 2010-03-11 WO PCT/EP2010/053109 patent/WO2010112314A1/de not_active Ceased
- 2010-03-11 EP EP10712374.7A patent/EP2370986B1/de not_active Not-in-force
- 2010-03-11 JP JP2012502548A patent/JP2012523066A/ja not_active Withdrawn
- 2010-03-11 US US13/148,666 patent/US20110309733A1/en not_active Abandoned
- 2010-03-11 CN CN2010800157101A patent/CN102388429A/zh active Pending
Non-Patent Citations (1)
| Title |
|---|
| See references of WO2010112314A1 * |
Also Published As
| Publication number | Publication date |
|---|---|
| EP2370986B1 (de) | 2013-05-08 |
| US20110309733A1 (en) | 2011-12-22 |
| DE102009015895A1 (de) | 2010-10-07 |
| CN102388429A (zh) | 2012-03-21 |
| JP2012523066A (ja) | 2012-09-27 |
| WO2010112314A1 (de) | 2010-10-07 |
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