CN101017764B - Making technology of ceramic metal halid light electrode component - Google Patents
Making technology of ceramic metal halid light electrode component Download PDFInfo
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- CN101017764B CN101017764B CN2007100204899A CN200710020489A CN101017764B CN 101017764 B CN101017764 B CN 101017764B CN 2007100204899 A CN2007100204899 A CN 2007100204899A CN 200710020489 A CN200710020489 A CN 200710020489A CN 101017764 B CN101017764 B CN 101017764B
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- wire
- electrode
- molybdenum
- transition
- molybdenum wire
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- 239000000919 ceramic Substances 0.000 title claims abstract description 20
- 229910052751 metal Inorganic materials 0.000 title claims description 18
- 239000002184 metal Substances 0.000 title claims description 18
- 238000005516 engineering process Methods 0.000 title claims description 8
- 125000005843 halogen group Chemical group 0.000 title claims description 8
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 claims abstract description 59
- 230000007704 transition Effects 0.000 claims abstract description 36
- 229910052750 molybdenum Inorganic materials 0.000 claims abstract description 20
- 239000011733 molybdenum Substances 0.000 claims abstract description 20
- 238000003466 welding Methods 0.000 claims abstract description 18
- 238000000034 method Methods 0.000 claims abstract description 14
- 229910001507 metal halide Inorganic materials 0.000 claims abstract description 10
- 150000005309 metal halides Chemical class 0.000 claims abstract description 10
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 claims description 26
- 229910052721 tungsten Inorganic materials 0.000 claims description 26
- 239000010937 tungsten Substances 0.000 claims description 26
- 229910052758 niobium Inorganic materials 0.000 claims description 17
- 239000010955 niobium Substances 0.000 claims description 17
- GUCVJGMIXFAOAE-UHFFFAOYSA-N niobium atom Chemical compound [Nb] GUCVJGMIXFAOAE-UHFFFAOYSA-N 0.000 claims description 17
- 238000010891 electric arc Methods 0.000 claims description 11
- 210000005239 tubule Anatomy 0.000 claims description 11
- 229910052573 porcelain Inorganic materials 0.000 claims description 7
- 238000002360 preparation method Methods 0.000 claims description 7
- 238000007599 discharging Methods 0.000 claims description 6
- 229910001182 Mo alloy Inorganic materials 0.000 claims description 3
- 229910001080 W alloy Inorganic materials 0.000 claims description 3
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 3
- 239000008358 core component Substances 0.000 claims description 3
- 238000005553 drilling Methods 0.000 claims description 3
- 239000011261 inert gas Substances 0.000 claims description 3
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 claims description 3
- 229910052753 mercury Inorganic materials 0.000 claims description 3
- 239000002253 acid Substances 0.000 claims description 2
- 230000007797 corrosion Effects 0.000 claims description 2
- 238000005260 corrosion Methods 0.000 claims description 2
- 230000015572 biosynthetic process Effects 0.000 claims 1
- 238000004826 seaming Methods 0.000 claims 1
- PYLYNBWPKVWXJC-UHFFFAOYSA-N [Nb].[Pb] Chemical compound [Nb].[Pb] PYLYNBWPKVWXJC-UHFFFAOYSA-N 0.000 abstract 2
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 abstract 1
- 238000004519 manufacturing process Methods 0.000 description 11
- 238000010586 diagram Methods 0.000 description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 239000011195 cermet Substances 0.000 description 2
- 229910052571 earthenware Inorganic materials 0.000 description 2
- 239000000945 filler Substances 0.000 description 2
- -1 11-4 Chemical compound 0.000 description 1
- 239000000306 component Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 150000004820 halides Chemical class 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 230000008520 organization Effects 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
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Abstract
The invention relates to a ceramic metal halide lamp and its electrode assembly. Wherein, the electrode assembly is four-member structure with axis core on one straight line, and comprises from inner to outer, a tungsten-made electrode, a transition molybdenum wire with ends welding to former electrode and niobium lead wire end in arc tube, and a niobium lead wire with diameter over the outside diameter of molybdenum screws set on top of molybdenum wire and electrode respectively. In the preparing process, resistance welding the molybdenum wire and lead wire, setting the screw on molybdenum wire, and inserting the electrode rod into the screw. This invention forms an integrated structure.
Description
Technical field
The present invention relates to the electric lighting technical field, especially a kind of preparation technology of porcelain metal halid lamp electrode assembly.
Background technology
Ceramic metal helide lamp is the first-generation metal halide lamp that eighties of last century is succeeded in developing 90 year mid-term, have characteristics such as good, photochromic stable and life-span of light efficiency height, color developing is long, it is the optimal high intensity discharge light source of a kind of illuminating effect, energy savings significantly, reduce environmental pollution, improve people's lighting quality simultaneously, thereby become the focus that illumination circle manufacturer and user chases.
Electrode assemblie is one of key components and parts of ceramic metal helide lamp, and whether its project organization is reasonable, and whether manufacturing process easily goes, and is directly connected to performance, life-span and the reliability of lamp, has done number of research projects abroad on stream.At present, most producers are designed to three body structures, and an end is a tungsten electrode, and the other end is niobium lead-in wire or cermet lead-in wire, and is middle with molybdenum wire or cermet wire transition, or twine the transition of molybdenum spiral on molybdenum wire, are welded to connect with laser welder between adjacent.The producer that also has is designed to two body structures, also adopts the laser machine to be welded to connect and guarantees welding reliability.The laser welder costliness, production efficiency also is restricted, and the structure of kind electrode assembly and processing method to follow-up with electrode assemblie and the tubule sealing-in of earthenware end and the stress that produces can't discharge.
Summary of the invention
The technical problem to be solved in the present invention is: a kind of manufacture method with porcelain metal halid lamp electrode assembly of new structure electrode assemblie is provided, overcomes that fault of construction on the electrode assemblie of existing ceramic metal helide lamp and resultant electrode assemblie to this lamp require to adopt laser welding processing charges height, production efficiency is low and product easily forms the deficiency of stress of sealing.
The technical solution adopted for the present invention to solve the technical problems is: a kind of preparation technology of porcelain metal halid lamp electrode assembly, this ceramic metal halide lamp has the core component electric arc tube of Discharge illuminating function, the electric arc tube shell is made by translucent alumina ceramics, the middle part is cylindrical shape or elliposoidal discharging chamber, the cavity two ends are end cap, also extend outward a longer tubule respectively from the two end cap center drilling, the electrode assemblie that comprises electrode and lead-in wire thereof stretches in the discharging chamber from tubule, fill an amount of metal halide, behind inert gas and the mercury, be sealed to form with the sealing-in scolder in the tubule end again, described electrode assemblie is four body structures, comprises from inside to outside, and the tungsten system that shaft core line is located along the same line electrode, transition molybdenum wire and niobium lead-in wire; One end of transition molybdenum wire and the welding of the rod end of tungsten system electrode, the end welding that is positioned at electric arc tube of the other end of transition molybdenum wire and niobium lead-in wire, be with the molybdenum spiral in the bar portion of transition molybdenum wire and tungsten system electrode, the diameter of niobium lead-in wire is greater than the external diameter of molybdenum spiral, the preparation method of the electrode assemblie of this ceramic metal helide lamp is: earlier with transition molybdenum wire and niobium wire bonds, after with the molybdenum helical casing on the transition molybdenum wire, bar portion with tungsten system electrode inserts in the molybdenum spiral again, and tungsten system electrode and transition molybdenum wire welding back are formed holistic electrode assemblie; Do not influencing under the product quality premise, for saving equipment drops into, lowering cost of goods manufactured, described transition molybdenum wire adopts method for resistance welding to be connected with the niobium lead-in wire; Reliable in order to guarantee welding, described tungsten system electrode and transition molybdenum wire welding method are to coat a small amount of scolder in the joint of tungsten system electrode and transition molybdenum wire, adopt method for welding that it is welded again.
Again specifically: in order to guarantee the useful life of product, described scolder adopts the acid corrosion-resistant scolder.
In particular: in order to guarantee firm welding, reliable, described scolder adopts tungsten alloy scolder or molybdenum alloy scolder.
Further: in order to be more convenient for processing and manufacturing of the present invention and improving the quality, described transition molybdenum wire is identical with the bar portion diameter of tungsten system electrode.
Further: for the ease of processing and manufacturing and stable prod crudy, described molybdenum spiral internal diameter is bigger by 2 ~ 10% than transition molybdenum wire diameter.
Further: equally for the ease of processing and manufacturing and stable prod crudy, the external diameter of described molybdenum spiral is littler by 5 ~ 15% than the diameter of niobium lead-in wire.
The invention has the beneficial effects as follows, the electrode assemblie structure and the manufacturing process of ceramic metal helide lamp of the present invention and four bodies thereof, because the change of structure, can discharge the stress that electrode assemblie and the tubule sealing-in of earthenware end produce, improve the reliability of sealing-in, make the electrode assemblie of this lamp can adopt conventional welding method processing simultaneously, the product manufacturing device investment is little, be suitable for again producing in enormous quantities, both be beneficial to and reduce cost, can guarantee product quality again.
Description of drawings
The present invention is further described below in conjunction with drawings and Examples.
Fig. 1 is a kind of ceramet halide lamp schematic diagram.
Fig. 2 is the ceramic metal halide lamp arc tube schematic diagram.
Fig. 3 is an electrode assemblie schematic diagram of the present invention.
Among the figure 1, electric arc tube, 2, envelope of quartz glass, 3, lamp holder, 4, first support, 5, second support, 11, electrode assemblie, 12, the electric arc tube shell, 13, filler, 14, the sealing-in scolder, 11-1, tungsten system electrode, 11-2, niobium lead-in wire, 11-3, transition molybdenum wire, 11-4, molybdenum spiral.
Embodiment
Accompanying drawing 1 has specifically illustrated a kind of ceramic metal helide lamp, and mainly comprising the envelope of quartz glass 2 of core component electric arc tube 1 with Discharge illuminating function, Vacuum Package and lamp holder 3, the first supports 4 and second support 5 is the strutting piece of electric arc tube.
Accompanying drawing 2 has specifically illustrated the structure of ceramic metal halide lamp arc tube, electric arc tube shell 12 is made by translucent alumina ceramics, the middle part is cylindrical shape or elliposoidal discharging chamber, the cavity two ends are end cap, the two end cap center drilling also extends outward a longer tubule respectively, electrode assemblie 11 stretches in the discharging chamber from tubule, fill an amount of fillers 13 such as metal halide, inert gas and mercury after, seal with sealing-in scolder 14 in the tubule end.
Accompanying drawing 3 has specifically illustrated the electrode assemblie of four body structures of the present invention, and this assembly is made up of tungsten system electrode 11-1, niobium lead-in wire 11-2, transition molybdenum wire 11-3 and molybdenum spiral 11-4.Wherein, the bar portion diameter of tungsten system electrode 11-1 is identical with the diameter of transition molybdenum wire 11-3, and the internal diameter of molybdenum spiral 11-4 is slightly larger than electrode stem and the transition molybdenum wire 11-3 diameter of tungsten system electrode 11-1, and the external diameter of molybdenum spiral 11-4 is slightly less than niobium lead-in wire 11-2 diameter.
A kind of concrete manufacture method of electrode assemblie of the present invention is: adopt method for resistance welding that transition molybdenum wire 11-3 and niobium lead-in wire 11-2 are welding together earlier, after molybdenum spiral 11-4 is enclosed within on the transition molybdenum wire 11-3, electrode stem with tungsten system electrode 11-1 inserts among the molybdenum spiral 11-4 again, a small amount of tungsten alloy scolder or molybdenum alloy scolder are coated in joint at tungsten system electrode 11-1 and transition molybdenum wire 11-3, adopt method for welding with its electrode assemblie that is welded as a whole 11 again.
Because ceramic metal halide lamp has different power requirements, provides two embodiments of electrode assemblie 11 aspect dimensions with different capacity below again:
Embodiment one:
Power is 150 watts of ceramic metal helide lamps, and the electrode stem of tungsten system electrode 11-1 and transition molybdenum wire 11-3 diameter are all 0.50mm in the electrode assemblie, and the internal diameter of molybdenum spiral 11-4 is 0.52mm, and external diameter is 0.86mm, and niobium lead-in wire 11-2 diameter is 0.90mm; Adopt aforementioned manufacture method, be made into the electrode assemblie 11 of 150 watts of ceramic metal helide lamps.
Embodiment two:
Power is 70 watts of ceramic metal helide lamps, and tungsten system electrode 11-1 electrode stem in the electrode assemblie and transition molybdenum wire 11-3 diameter are all 0.40mm, and the internal diameter of molybdenum spiral 11-4 is 0.42mm, and external diameter is 0.66mm, and niobium lead-in wire 11-2 diameter is 0.70mm; Adopt same sample making process, be made into the electrode assemblie 11 of 70 watts of ceramic metal helide lamps.
Claims (3)
1. the preparation technology of a porcelain metal halid lamp electrode assembly, this ceramic metal halide lamp has the core component electric arc tube of Discharge illuminating function, the electric arc tube shell is made by translucent alumina ceramics, the middle part is cylindrical shape or elliposoidal discharging chamber, the cavity two ends are end cap, also extend outward a longer tubule respectively from the two end cap center drilling, the electrode assemblie that comprises electrode and lead-in wire thereof stretches in the discharging chamber from tubule, fill an amount of metal halide, behind inert gas and the mercury, be sealed to form with the sealing-in scolder in the tubule end again, described electrode assemblie is four body structures, comprises from inside to outside, and the tungsten system that shaft core line is located along the same line electrode, transition molybdenum wire and niobium lead-in wire; One end of transition molybdenum wire and the rod end seam of tungsten system electrode, an end seam that is positioned at electric arc tube of the other end of transition molybdenum wire and niobium lead-in wire, be with the molybdenum spiral in the bar portion of transition molybdenum wire and tungsten system electrode, the diameter of niobium lead-in wire is greater than the external diameter of molybdenum spiral, it is characterized in that: earlier with transition molybdenum wire and the seam of niobium lead-in wire, after with the molybdenum helical casing on the transition molybdenum wire, again the bar portion of tungsten system electrode is inserted in the molybdenum spiral, will the holistic electrode assemblie of formation after tungsten system electrode and the seam of transition molybdenum wire; Described transition molybdenum wire and niobium lead-in wire adopt the method for resistance welding seam; Described tungsten system electrode and transition molybdenum wire seaming method are to coat a small amount of scolder in the joint of tungsten system electrode and transition molybdenum wire, adopt method for welding that it is welded again.
2. the preparation technology of porcelain metal halid lamp electrode assembly according to claim 1 is characterized in that: the acid corrosion-resistant scolder is adopted in described tungsten system electrode and seam place of transition molybdenum wire.
3. the preparation technology of porcelain metal halid lamp electrode assembly according to claim 2 is characterized in that: tungsten alloy scolder or molybdenum alloy scolder are adopted in described tungsten system electrode and seam place of transition molybdenum wire.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2007100204899A CN101017764B (en) | 2007-03-06 | 2007-03-06 | Making technology of ceramic metal halid light electrode component |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2007100204899A CN101017764B (en) | 2007-03-06 | 2007-03-06 | Making technology of ceramic metal halid light electrode component |
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| Publication Number | Publication Date |
|---|---|
| CN101017764A CN101017764A (en) | 2007-08-15 |
| CN101017764B true CN101017764B (en) | 2010-08-04 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2007100204899A Expired - Fee Related CN101017764B (en) | 2007-03-06 | 2007-03-06 | Making technology of ceramic metal halid light electrode component |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101441964B (en) * | 2007-11-19 | 2011-06-29 | 上海亚尔光源有限公司 | Method for preparing ceramic metallic halogen lamp tungsten niobium electrode |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6621219B2 (en) * | 2000-12-28 | 2003-09-16 | General Electric Company | Thermally insulating lead wire for ceramic metal halide electrodes |
| CN1595601A (en) * | 2003-09-11 | 2005-03-16 | 俞鹤庆 | Single crystal alumina ceramic high-intensity gas discharge lamp tube |
| CN201011652Y (en) * | 2007-03-06 | 2008-01-23 | 王凯 | Ceramic metal halide lamp |
-
2007
- 2007-03-06 CN CN2007100204899A patent/CN101017764B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6621219B2 (en) * | 2000-12-28 | 2003-09-16 | General Electric Company | Thermally insulating lead wire for ceramic metal halide electrodes |
| CN1595601A (en) * | 2003-09-11 | 2005-03-16 | 俞鹤庆 | Single crystal alumina ceramic high-intensity gas discharge lamp tube |
| CN201011652Y (en) * | 2007-03-06 | 2008-01-23 | 王凯 | Ceramic metal halide lamp |
Non-Patent Citations (2)
| Title |
|---|
| 高鸿磊，诸定昌.陶瓷金卤灯的生产工艺（上）.中国照明电器 1.2006,(1),全文. |
| 高鸿磊,诸定昌.陶瓷金卤灯的生产工艺(上).中国照明电器 1.2006,(1),全文. * |
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| CN101017764A (en) | 2007-08-15 |
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