CN201011652Y - Ceramic metal halide lamp - Google Patents
Ceramic metal halide lamp Download PDFInfo
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- CN201011652Y CN201011652Y CNU2007200349959U CN200720034995U CN201011652Y CN 201011652 Y CN201011652 Y CN 201011652Y CN U2007200349959 U CNU2007200349959 U CN U2007200349959U CN 200720034995 U CN200720034995 U CN 200720034995U CN 201011652 Y CN201011652 Y CN 201011652Y
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- molybdenum
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Abstract
The utility model relates to the technical field of lighting appliance, in particular to a ceramic metal halide lamp. The electrode component of the utility model is a four-in-one structure, comprising(from inner to the external) a tungsten electrode, a transmission molybdenum wire and a niobium lead wire, whose axial core wire are at the same beeline; one end of the transmission molybdenum wire is welded with the pole end of the tungsten electrode, while the other end is welded with one end of the niobium lead wire which is placed in the voltaic arc tube; the transmission molybdenum and the pole end of the tungsten electrode are coated with molybdenum helix; the diameter of the niobium lead wire is larger than the outside diameter of the molybdenum helix; the utility model can also adopt the form that the diameter of the transmission molybdenum wire is equal with that of the pole end of the tungsten electrode, the inner diameter of the molybdenum helix is larger than the diameter of the transmission molybdenum wire at 2 to 10 percent, and the outside diameter of the molybdenum helix is less than the diameter of the niobium lead wire at 5 to15 percent. The utility model can release the stress generated by the sealing connecting of the electrode component and the tubule at the end of the ceramic pipe; therefore, the sealing reliability is improved; the electrode component can also be processed with the normal welding approach; the cost is low, the production efficiency is high and the quality of the product is great.
Description
Technical field
The utility model relates to the electric lighting technical field, especially a kind of ceramic metal helide lamp.
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 problems to be solved in the utility model is: a kind of ceramic metal helide lamp with 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 scheme that its technical problem that solves the utility model adopts is: a kind of ceramic metal helide lamp, core component electric arc tube with 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, the utility model is described electrode assemblie is designed to 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 is with the molybdenum spiral in the bar portion of transition molybdenum wire and tungsten system electrode, and the diameter of niobium lead-in wire is greater than the external diameter of molybdenum spiral.
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 beneficial effects of the utility model are, ceramic metal helide lamp of the present utility model, because the change of electrode assemblie 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
Below in conjunction with drawings and Examples the utility model is further specified.
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 utility model, 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 utility model 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 (4)
1. ceramic metal helide lamp, core component electric arc tube with 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, it is characterized in that: 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 is with the molybdenum spiral in the bar portion of transition molybdenum wire and tungsten system electrode, and the diameter of niobium lead-in wire is greater than the external diameter of molybdenum spiral.
2. ceramic metal helide lamp according to claim 1 is characterized in that: described transition molybdenum wire is identical with the bar portion diameter of tungsten system electrode.
3. ceramic metal helide lamp according to claim 2 is characterized in that: described molybdenum spiral internal diameter is bigger by 2 ~ 10% than transition molybdenum wire diameter.
4. ceramic metal helide lamp according to claim 1 is characterized in that: the external diameter of described molybdenum spiral is littler by 5 ~ 15% than the diameter of niobium lead-in wire.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200349959U CN201011652Y (en) | 2007-03-06 | 2007-03-06 | Ceramic metal halide lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200349959U CN201011652Y (en) | 2007-03-06 | 2007-03-06 | Ceramic metal halide lamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201011652Y true CN201011652Y (en) | 2008-01-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007200349959U Expired - Fee Related CN201011652Y (en) | 2007-03-06 | 2007-03-06 | Ceramic metal halide lamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201011652Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101017764B (en) * | 2007-03-06 | 2010-08-04 | 王凯 | Making technology of ceramic metal halid light electrode component |
-
2007
- 2007-03-06 CN CNU2007200349959U patent/CN201011652Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101017764B (en) * | 2007-03-06 | 2010-08-04 | 王凯 | Making technology of ceramic metal halid light electrode component |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: JIANGXI QUANSHENG RARE EARTH TECHNOLOGY CO., LTD. Free format text: FORMER OWNER: WANG KAI Effective date: 20150430 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 213176 CHANGZHOU, JIANGSU PROVINCE TO: 341700 GANZHOU, JIANGXI PROVINCE |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20150430 Address after: The 341700 Jiangxi city of Ganzhou province Longnan County Township new Shenzhen Industrial Zone Patentee after: Jiangxi changshuang light rare earth science and technology limited liability company Address before: Lijia Town, Wujin District 213176 Jiangsu city of Changzhou province Changzhou Kaikai Lighting Co. Ltd. Patentee before: Wang Kai |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080123 Termination date: 20160306 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |