CN205406486U - Electrode improves structure for ceramic metal halide lamp - Google Patents
Electrode improves structure for ceramic metal halide lamp Download PDFInfo
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- CN205406486U CN205406486U CN201620153097.4U CN201620153097U CN205406486U CN 205406486 U CN205406486 U CN 205406486U CN 201620153097 U CN201620153097 U CN 201620153097U CN 205406486 U CN205406486 U CN 205406486U
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- cylindrical metal
- tungsten
- pipe
- molybdenum filament
- ceramic
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Abstract
The utility model relates to an electrode improves structure for ceramic metal halide lamp, including cylindrical metal tungsten pipe, cylindrical metal niobium pipe, heliciform tungsten filament and heliciform molybdenum filament, the both ends of cylindrical metal tungsten pipe penetrate heliciform tungsten filament and heliciform molybdenum filament respectively, the one end of cylindrical metal niobium pipe with cylindrical metal tungsten pipe is provided with the one end fixed connection of heliciform molybdenum filament. This application is through the structure setting with cylindrical metal niobium pipe of cylindrical metal tungsten pipe, through in penetrating nioblum pipe and partial tungsten pipe and heliciform molybdenum filament ceramic tubule for ceramic case body heat inflation is consistent with the thermal energy of cylindrical metal niobium pipe, has realized the clearance fit problem of electrode with ceramic tubule internal diameter, has improved ceramic metal halide lamp's performance and life.
Description
Technical field
This utility model belongs to new forms of energy and ceramic metal helide lamp field, particularly relates to a kind of electrode for ceramic metal halogen lamp and improves structure.
Background technology
Metal halide lamp relies primarily on metal halide as luminescent material, and metal halide exists in lamp with solid forms, is filled with a small amount of pilot gas hydrogen or xenon at lamp, in order to light bulb.The ceramic gold-halogen lamp life-span is long, and light efficiency is high, and the energy-conserving light source that color rendering properties is good is similar with LVD Non-polarized lamp, but its principle of luminosity is different.
Ceramic gold-halogen lamp is that polycrystalline alumina ceramic manufactures electric arc tube shell, its actual light transmittance is more than 96-98%, but owing to phase line light transmittance is not high, this ceramic material can bear the high temperature than high more than 200 degree of quartz, and the heat stability of this ceramic cartridge and chemical stability are high, with the material being filled with in shell, chemical reaction not occurring, be absent from again sodium leakage problems, therefore ceramic gold-halogen lamp stable performance, light decay is little, the life-span is long.
The electrode of current ceramic gold-halogen lamp adopts molybdenum helical structure, it is simply that electrode molybdenum is as material, in order to strengthen the intermiscibility in welded seal section metal molybdenum Yu ceramic material, it is necessary to twine spiral helicine molybdenum filament on molybdenum bar.But it is entangled on molybdenum bar owing to spiral helicine molybdenum filament is spring-like, it is impossible to reach well-proportioned state, easily causes welding material infiltration when carrying out sealing-in uneven, the stability of product is caused bad impact.
Utility model content
The purpose of this utility model is by the electrode of existing ceramic gold-halogen lamp is proposed improvement opportunity scheme, can solve the problem that the problem that between electrode and earthenware, sealing-in infiltration is uneven and the matched in clearance problem of electrode and pottery capillary inside diameter by the technical program.
This utility model is achieved through the following technical solutions:
A kind of electrode for ceramic metal halogen lamp improves structure, including cylindrical metal tungsten pipe, cylindrical metal niobium pipe, helical tungsten filamen and helical form molybdenum filament；
One end of described cylindrical metal tungsten pipe penetrates described helical tungsten filamen and fixing with described helical tungsten filamen is connected, and the other end of described cylindrical metal tungsten pipe penetrates described helical form molybdenum filament and fixing with described helical form molybdenum filament and is connected；
Described cylindrical metal tungsten pipe penetrate the external diameter of one end of described helical tungsten filamen more than, described cylindrical metal tungsten pipe penetrates the external diameter of one end of described helical form molybdenum filament；
One end of described cylindrical metal niobium pipe is provided with described cylindrical metal tungsten pipe that one end of described helical form molybdenum filament is fixing to be connected.
The external diameter of described cylindrical metal niobium pipe penetrates the external diameter of one end of described helical form molybdenum filament more than described cylindrical metal tungsten pipe.
The length of described cylindrical metal tungsten pipe is more than axial length sum plus described helical form molybdenum filament of, the axial length of described helical tungsten filamen.
In described helical form molybdenum filament, the inner side of each circle molybdenum filament is all fixing with the sidewall of described cylindrical metal tungsten pipe to be connected.
In described helical tungsten filamen, the inner side of each circle tungsten filament is all fixing with the sidewall of described cylindrical metal tungsten pipe to be connected.
The axial length of described helical tungsten filamen is more than the axial length of described helical form molybdenum filament.
The beneficial effects of the utility model are:
The application is arranged by the structure of cylindrical metal tungsten pipe with cylindrical metal niobium pipe, by metal niobium pipe, part metals tungsten pipe and part helix shape molybdenum filament being penetrated in pottery tubule, make ceramic shell thermal expansion consistent with the thermal expansion of cylindrical metal niobium pipe, and the thermal expansion of tungsten pipe and helical form molybdenum filament can because the tubular-shaped structures of tungsten pipe produces certain deformation to adapt to the thermal expansion deformation of pottery tubule, achieve the matched in clearance problem of electrode and pottery capillary inside diameter, improve the performance and used life of ceramic gold-halogen lamp.
On the other hand, the electrode material of the application eliminates Mo, and by the use of tungsten pipe with niobium pipe, also consequently reduces the consumption of tungsten and niobium, simplifies production technology, reduces product cost.
Accompanying drawing explanation
Fig. 1 is that this utility model electrode improves structure axial sectional diagrammatical view illustration.
Description of reference numerals
1 cylindrical metal tungsten pipe, 2 cylindrical metal niobium pipes, 3 helical tungsten filamens, 4 helical form molybdenum filaments, 11 cylindrical metal tungsten pipes penetrate one end of described helical tungsten filamen, and 12 cylindrical metal tungsten pipes penetrate one end of described helical form molybdenum filament.
Detailed description of the invention
Describing the technical solution of the utility model by the following examples in detail, below example is merely illustrative of, and is only capable of for explaining and illustrate the technical solution of the utility model, and is not to be construed as the restriction to technical solutions of the utility model.
This utility model provides a kind of electrode for ceramic metal halogen lamp to improve structure, as it is shown in figure 1, include cylindrical metal tungsten pipe 1, cylindrical metal niobium pipe 2, helical tungsten filamen 3 and helical form molybdenum filament 4.Cylindrical metal niobium pipe 2 is entirely insertable in pottery tubule, and partial cylindrical shapes tungsten pipe and part helix shape molybdenum filament are inserted in pottery tubule, and the helical form molybdenum filament of the cylindrical metal tungsten pipe of remainder, helical tungsten filamen and remainder is arranged in earthenware.
One end of described cylindrical metal tungsten pipe 1 penetrates described helical tungsten filamen 3 and fixing with described helical tungsten filamen 3 is connected, and the other end of described cylindrical metal tungsten pipe 1 penetrates described helical form molybdenum filament 4 and fixing with described helical form molybdenum filament 4 and is connected；In described helical form molybdenum filament 4, the inner side of each circle molybdenum filament is all fixing with the sidewall of described cylindrical metal tungsten bar 1 to be connected.In described helical tungsten filamen 3, the inner side of each circle tungsten filament is all fixing with the sidewall of described cylindrical metal tungsten bar 1 to be connected.
Described cylindrical metal tungsten pipe penetrate the external diameter of one end 11 of described helical tungsten filamen more than, described cylindrical metal tungsten pipe penetrates the external diameter of one end 12 of described helical form molybdenum filament；The spiral external diameter of same helical tungsten filamen is more than the spiral external diameter of helical form molybdenum filament.
One end of described cylindrical metal niobium pipe is provided with described cylindrical metal tungsten pipe that one end of described helical form molybdenum filament is fixing to be connected.In the present embodiment, cylindrical metal tungsten pipe and cylindrical metal niobium pipe adopt Laser Welding to be connected into an entirety, the sparking electrode of composition ceramic gold-halogen lamp, only one of which pad on electrode, the waveform of laser weld pulse power is suitably controlled in certain limit, make welded joint size and shape consistent, it is possible to ensure that cylindrical metal tungsten pipe and the cylindrical metal niobium pipe resistance variations at welded joint place are uniform.
The external diameter of described cylindrical metal niobium bar is more than the external diameter of the one end penetrating described helical form molybdenum filament outside described cylindrical metal tungsten pipe.
The length of described cylindrical metal tungsten pipe is more than axial length sum plus described helical form molybdenum filament of, the axial length of described helical tungsten filamen, and the axial length of described helical tungsten filamen is more than the axial length of described helical form molybdenum filament.
The rupture strength of this electrode is more than 100 σ/MPa, thermal coefficient of expansion≤8 × 10-6L/ DEG C, the highest pressure 1000V, maximum current 10A.
The technical solution of the utility model is described although detailed, but it is to be understood that, those skilled in the art, by means changes to technical scheme such as conventional deformation, improvement, replacements, all should work as within the protection domain belonging to the application.
Claims (6)
1. an electrode for ceramic metal halogen lamp improves structure, it is characterised in that: include cylindrical metal tungsten pipe, cylindrical metal niobium pipe, helical tungsten filamen and helical form molybdenum filament；
One end of described cylindrical metal tungsten pipe penetrates described helical tungsten filamen and fixing with described helical tungsten filamen is connected, and the other end of described cylindrical metal tungsten pipe penetrates described helical form molybdenum filament and fixing with described helical form molybdenum filament and is connected；
Described cylindrical metal tungsten pipe penetrate the external diameter of one end of described helical tungsten filamen more than, described cylindrical metal tungsten pipe penetrates the external diameter of one end of described helical form molybdenum filament；
One end of described cylindrical metal niobium pipe is provided with described cylindrical metal tungsten pipe that one end of described helical form molybdenum filament is fixing to be connected.
2. electrode for ceramic metal halogen lamp according to claim 1 improves structure, it is characterised in that: the external diameter of described cylindrical metal niobium pipe penetrates the external diameter of one end of described helical form molybdenum filament more than described cylindrical metal tungsten pipe.
3. electrode for ceramic metal halogen lamp according to claim 1 improves structure, it is characterised in that: the length of described cylindrical metal tungsten pipe is more than axial length sum plus described helical form molybdenum filament of, the axial length of described helical tungsten filamen.
4. electrode for ceramic metal halogen lamp according to claim 1 improves structure, it is characterised in that: in described helical form molybdenum filament, the inner side of each circle molybdenum filament is all fixing with the sidewall of described cylindrical metal tungsten pipe to be connected.
5. electrode for ceramic metal halogen lamp according to claim 1 improves structure, it is characterised in that: in described helical tungsten filamen, the inner side of each circle tungsten filament is all fixing with the sidewall of described cylindrical metal tungsten pipe to be connected.
6. electrode for ceramic metal halogen lamp according to claim 1 improves structure, it is characterised in that: the axial length of described helical tungsten filamen is more than the axial length of described helical form molybdenum filament.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620153097.4U CN205406486U (en) | 2016-02-29 | 2016-02-29 | Electrode improves structure for ceramic metal halide lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620153097.4U CN205406486U (en) | 2016-02-29 | 2016-02-29 | Electrode improves structure for ceramic metal halide lamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205406486U true CN205406486U (en) | 2016-07-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620153097.4U Expired - Fee Related CN205406486U (en) | 2016-02-29 | 2016-02-29 | Electrode improves structure for ceramic metal halide lamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205406486U (en) |
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2016
- 2016-02-29 CN CN201620153097.4U patent/CN205406486U/en not_active Expired - Fee Related
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160727 Termination date: 20210228 |
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| CF01 | Termination of patent right due to non-payment of annual fee |