CN205376465U - Pottery fluorescent tube improves structure - Google Patents
Pottery fluorescent tube improves structure Download PDFInfo
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- CN205376465U CN205376465U CN201620153400.0U CN201620153400U CN205376465U CN 205376465 U CN205376465 U CN 205376465U CN 201620153400 U CN201620153400 U CN 201620153400U CN 205376465 U CN205376465 U CN 205376465U
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- electrode
- tubule
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- hand member
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Abstract
The utility model relates to a pottery fluorescent tube improves structure, including the ceramic pipe to and set up first electrode and the second electrode in the ceramic pipe, the ceramic pipe includes body, first tubule and second tubule, the body includes that body reaches and the left end face and the right -hand member face of body both ends structure as an organic whole, left end face and right -hand member face are spherical face, the diameter of section of spherical face is greater than the external diameter of adjacent body. The utility model discloses a set up the left end face and the right -hand member face at body both ends into spherical face, improved the scattering of light at both ends, make the temperature of fluorescent tube tip improve, the improvement of temperature is favorable to reducing the metal the solidifying of fluorescent tube tip, and then improves the performance of fluorescent tube. Through first electrode and the 2nd electrode structure, realize the clearance fit problem of electrode with ceramic tubule internal diameter simultaneously, improved ceramic metal halide lamp's performance and life.
Description
Technical field
This utility model belongs to metal halid lamp electric arc tube, particularly relates to a kind of ceramic lamp tube and improves structure.
Background technology
The semitransparent ceramics of employing polycrystal alumina has operating temperature height as the metal halid lamp of arctube material, and light efficiency is high, and light decay is little, and develop the color the advantages such as good and life-span length.
Current ceramic metal halide lamp electric arc tube mainly adopts translucent alumina ceramics manufacture, the shape of electric arc tube mainly has cylinder, cylinder is combined with circular cone, elliposoidal, but existing these kind of type is processing technique complexity and not easily processes, and need during fabrication to add forming agent, improve production cost.
On the other hand, ceramic arc tube maximum operation (service) temperature can more than 2000 degree, the directional solidification that can meet common metal and alloy uses, but when some high activity metals are solidified, it is easy to produce at molten metal contacts interface a pollution layer, under directional solidification high temperature, particularly crosses long-time heat preservation, more exacerbate the chemical reaction between melt and earthenware, it is primarily due in melt and incorporates substantial amounts of oxide inclusions, affect the overall performance of earthenware.
Find by studying, directional solidification substantially occurs in the two ends of fluorescent tube near electrode attachment, and this adnexa is primarily due in whole fluorescent tube, it is positioned at the relative temperature near the electrode of lamp tube ends relatively low, light intensity near electrode is low compared with other position, therefore, when metal freezing, can solidify near electrode.
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 to provide a kind of ceramic lamp tube and improves structure, by the design to lamp tube structure, to solve metal fluorescent tube place freezing problem near electrode in fluorescent tube, improves the overall performance of earthenware.
Of the present utility model another object is that, can solve the problem that, by the technical program, the problem that between electrode and earthenware, sealing-in infiltration is uneven, and the matched in clearance problem of electrode and ceramic capillary inside diameter.
This utility model is achieved through the following technical solutions:
A kind of ceramic lamp tube improves structure, including earthenware, and is arranged at the first electrode in described earthenware and the second electrode；
Described earthenware includes body, the first tubule and the second tubule；One end of described first tubule is fixing with one end of described body to be connected and connects with described body；One end of described second tubule is fixing with the other end of described body to be connected and connects with described body；Described first tubule is stretched in one end of described first electrode, and the other end is arranged in described body；Described second tubule is stretched in one end of described second electrode, and the other end is arranged in described body；
Described body includes body body and the left side being structure as a whole with described body body two ends and right side；
Described left side and described right side are spherical；
The diameter of section of described left side and described body body connection is more than the external diameter of the described body body of connection；
The diameter of section of described right side and described body body connection is more than the external diameter of the described body body of connection；
Described first electrode is identical with the structure of described second electrode；
Described first electrode includes cylindrical metal tungsten bar, cylindrical metal niobium bar, helical tungsten filamen and helical form molybdenum filament；
One end of described cylindrical metal tungsten bar penetrates described helical tungsten filamen and fixing with described helical tungsten filamen is connected, and the other end of described cylindrical metal tungsten bar penetrates described helical form molybdenum filament and fixing with described helical form molybdenum filament and is connected；
One end of described cylindrical metal niobium bar is provided with described cylindrical metal tungsten bar that one end of described helical form molybdenum filament is fixing to be connected.
Outer surface and the outer surface of described right side in described left side are each provided with frosted layer.
Described body body includes two parts, respectively the first body body and the second body body；The left end of described first body body and described left side connect as one structure, and the right-hand member of described first body body is fixing with the left end of described second body body to be connected；The right-hand member of described second body body and described right side connect as one structure；
The diameter of section of the left end junction of described left side and described first body body is more than the external diameter of the left end of described first body body；
The diameter of section of the right-hand member junction of described right side and described second body body is more than the external diameter of the right-hand member of described second body body；
The right-hand member of described first body body is connected by step is fixing with the left end of described second body body.
Described left side is all identical with the shape of described right side, structure and size.
The thickness of described frosted layer is described left side or the 1/20-1/10 of described right side thickness.
The diameter of described cylindrical metal niobium bar is more than the diameter of described cylindrical metal tungsten bar.
The beneficial effects of the utility model are:
This utility model is by being set to spherical by the left side at body two ends and right side, improve the light scattering at both ends, because the raising of scattering, the light transmittance making lamp tube ends light decreases, light scatter can increase the temperature of lamp tube ends, the raising of temperature advantageously reduces the metal solidification at lamp tube end, and then improves the performance of fluorescent tube.
On the other hand, the application is arranged by the structure of cylindrical metal tungsten bar with cylindrical metal niobium bar, by metal niobium bar being penetrated in pottery tubule, make ceramic shell thermal expansion consistent with the thermal expansion of cylindrical metal niobium bar, achieve the matched in clearance problem of electrode and pottery capillary inside diameter, improve the performance and used life of ceramic gold-halogen lamp.
Accompanying drawing explanation
Fig. 1 is the structural representation of this utility model aluminium oxide ceramics fluorescent tube；
Fig. 2 is the A-A place sectional view of Fig. 1；
Fig. 3 is this utility model the first electrode structure schematic diagram.
Description of reference numerals
1 earthenware, 2 first electrodes, 3 second electrodes, 11 first body bodies, 12 second body bodies, 13 left sides, 14 right sides, 15 first tubules, 16 second tubules, 21 cylindrical metal tungsten bars, 22 cylindrical metal niobium bars, 23 helical tungsten filamens, 24 helical form molybdenum filaments.
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.
Embodiment 1
This utility model provides a kind of ceramic lamp tube to improve structure, as shown in Figure 1 to Figure 3, including earthenware 1, and is arranged at the first electrode 2 and the second electrode 3 in described earthenware 1.Described first electrode 2 is identical with the structure of described second electrode 3.
Earthenware 1 includes body, the first tubule 15 and the second tubule 16；One end of described first tubule 15 is fixing with one end of described body to be connected and connects with described body；One end of described second tubule 16 is fixing with the other end of described body to be connected and connects with described body.
One end one_to_one corresponding of two electrodes inserts the first tubule and the second tubule, and the other end of two electrodes is arranged in body, and the first tubule and the second tubule are stretched out in one end that two electrodes insert the first tubule and the second tubule, in order to connect with wire.
Described first electrode 2 includes cylindrical metal tungsten bar 21, cylindrical metal niobium bar 22, helical tungsten filamen 23 and helical form molybdenum filament 24；The diameter of described cylindrical metal niobium bar 22 is more than the diameter of described cylindrical metal tungsten bar 21.
One end of described cylindrical metal tungsten bar 21 penetrates described helical tungsten filamen 23 and fixing with described helical tungsten filamen 23 is connected, and the other end of described cylindrical metal tungsten bar 21 penetrates described helical form molybdenum filament 24 and fixing with described helical form molybdenum filament 24 and is connected.
One end of described cylindrical metal niobium bar 22 is provided with described cylindrical metal tungsten bar 21 that one end of described helical form molybdenum filament is fixing to be connected.
Described body includes body body and the left side 13 being structure as a whole with described body body two ends and right side 14.
In this application, body body is cylinder tube shape, and described body body includes two parts, respectively the first body body 11 and the second body body 12；In this application, the length of the first body body is identical with the length of the second body body；In the other embodiments of the application, the length of the length of the first body body and the second body body can differ.
The left end of described first body body and described left side connect as one structure, and the right-hand member of described first body body is fixing with the left end of described second body body to be connected；The right-hand member of described second body body and described right side connect as one structure.
The right-hand member of described first body body is connected by step is fixing with the left end of described second body body.Step herein is fixed connection and is referred to that the right-hand member at the first body body arranges a terraced structure, and namely the external diameter of the first body body right-hand member reduces or internal diameter increase, forms step；Meanwhile, the second body body left end arranges a terraced structure, and namely the internal diameter of the second body body left end increases or external diameter reduction formation step, and the step of the first body body right-hand member is complementary with the step of the second body body left end.
Described left side and described right side are spherical；Described left side is all identical with the shape of described right side, structure and size.
The diameter of section of the left end junction of described left side and described first body body is more than the external diameter of the left end of described first body body；In the present embodiment, the diameter of section of left side and the left end external diameter difference of the first body body, less than 3mm, if having exceeded 3mm, influence whether the overall appearance of fluorescent tube.
The diameter of section of the right-hand member junction of described right side and described second body body is more than the external diameter of the right-hand member of described second body body；In the present embodiment, the diameter of section of right side and the right-hand member external diameter difference of the second body body, less than 3mm, if having exceeded 3mm, influence whether the overall appearance of fluorescent tube.
Embodiment 2
This utility model provides a kind of ceramic lamp tube to improve structure, including earthenware, and is arranged at the first electrode in described earthenware and the second electrode.Described first electrode is identical with the structure of described second electrode.
Earthenware includes body, the first tubule and the second tubule；One end of described first tubule is fixing with one end of described body to be connected and connects with described body；One end of described second tubule is fixing with the other end of described body to be connected and connects with described body.
One end one_to_one corresponding of two electrodes inserts the first tubule and the second tubule, and the other end of two electrodes is arranged in body, and the first tubule and the second tubule are stretched out in one end that two electrodes insert the first tubule and the second tubule, in order to connect with wire.
Described first electrode includes cylindrical metal tungsten bar, cylindrical metal niobium bar, helical tungsten filamen and helical form molybdenum filament；The diameter of described cylindrical metal niobium bar is more than the diameter of described cylindrical metal tungsten bar.
One end of described cylindrical metal tungsten bar penetrates described helical tungsten filamen and fixing with described helical tungsten filamen is connected, and the other end of described cylindrical metal tungsten bar penetrates described helical form molybdenum filament and fixing with described helical form molybdenum filament and is connected.
One end of described cylindrical metal niobium bar is provided with described cylindrical metal tungsten bar that one end of described helical form molybdenum filament is fixing to be connected.
Described body includes body body and the left side being structure as a whole with described body body two ends and right side.
In this application, body body is cylinder tube shape, and described body body includes two parts, respectively the first body body and the second body body；In this application, the length of the first body body is identical with the length of the second body body；In the other embodiments of the application, the length of the length of the first body body and the second body body can differ.
The left end of described first body body and described left side connect as one structure, and the right-hand member of described first body body is fixing with the left end of described second body body to be connected；The right-hand member of described second body body and described right side connect as one structure.
The right-hand member of described first body body is connected by step is fixing with the left end of described second body body.Step herein is fixed connection and is referred to that the right-hand member at the first body body arranges a terraced structure, and namely the external diameter of the first body body right-hand member reduces or internal diameter increase, forms step；Meanwhile, the second body body left end arranges a terraced structure, and namely the internal diameter of the second body body left end increases or external diameter reduction formation step, and the step of the first body body right-hand member is complementary with the step of the second body body left end.
Described left side and described right side are spherical；Described left side is all identical with the shape of described right side, structure and size.
The diameter of section of the left end junction of described left side and described first body body is more than the external diameter of the left end of described first body body；In the present embodiment, the diameter of section of left side and the left end external diameter difference of the first body body, less than 3mm, if having exceeded 3mm, influence whether the overall appearance of fluorescent tube.
The diameter of section of the right-hand member junction of described right side and described second body body is more than the external diameter of the right-hand member of described second body body；In the present embodiment, the diameter of section of right side and the right-hand member external diameter difference of the second body body, less than 3mm, if having exceeded 3mm, influence whether the overall appearance of fluorescent tube.
Outer surface and the outer surface of described right side in described left side are each provided with frosted layer.The thickness of described frosted layer is described left side or the 1/20-1/10 of described right side thickness.If the thickness of frosted layer is excessive, when causing the scattering of light many, can cause that the end obfuscation of fluorescent tube affects general effect, simultaneously because light heat dissipation capacity is big, the temperature produced in the end of fluorescent tube is far above the other parts of fluorescent tube, and this high temperature influences whether the service life of electrode material.
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. a ceramic lamp tube improves structure, it is characterised in that: include earthenware, and be arranged at the first electrode in described earthenware and the second electrode；
Described earthenware includes body, the first tubule and the second tubule；One end of described first tubule is fixing with one end of described body to be connected and connects with described body；One end of described second tubule is fixing with the other end of described body to be connected and connects with described body；Described first tubule is stretched in one end of described first electrode, and the other end is arranged in described body；Described second tubule is stretched in one end of described second electrode, and the other end is arranged in described body；
Described body includes body body and the left side being structure as a whole with described body body two ends and right side；
Described left side and described right side are spherical；
The diameter of section of described left side and described body body connection is more than the external diameter of the described body body of connection；
The diameter of section of described right side and described body body connection is more than the external diameter of the described body body of connection；
Described first electrode is identical with the structure of described second electrode；
Described first electrode includes cylindrical metal tungsten bar, cylindrical metal niobium bar, helical tungsten filamen and helical form molybdenum filament；
One end of described cylindrical metal tungsten bar penetrates described helical tungsten filamen and fixing with described helical tungsten filamen is connected, and the other end of described cylindrical metal tungsten bar penetrates described helical form molybdenum filament and fixing with described helical form molybdenum filament and is connected；
One end of described cylindrical metal niobium bar is provided with described cylindrical metal tungsten bar that one end of described helical form molybdenum filament is fixing to be connected.
2. ceramic lamp tube according to claim 1 improves structure, it is characterised in that: outer surface and the outer surface of described right side in described left side are each provided with frosted layer.
3. ceramic lamp tube according to claim 2 improves structure, it is characterised in that: the thickness of described frosted layer is described left side or the 1/20-1/10 of described right side thickness.
4. ceramic lamp tube according to claim 1 improves structure, it is characterised in that: described body body includes two parts, respectively the first body body and the second body body；The left end of described first body body and described left side connect as one structure, and the right-hand member of described first body body is fixing with the left end of described second body body to be connected；The right-hand member of described second body body and described right side connect as one structure；
The diameter of section of the left end junction of described left side and described first body body is more than the external diameter of the left end of described first body body；
The diameter of section of the right-hand member junction of described right side and described second body body is more than the external diameter of the right-hand member of described second body body；
The right-hand member of described first body body is connected by step is fixing with the left end of described second body body.
5. ceramic lamp tube according to claim 1 improves structure, it is characterised in that: described left side is all identical with the shape of described right side, structure and size.
6. ceramic lamp tube according to claim 1 improves structure, it is characterised in that: the diameter of described cylindrical metal niobium bar is more than the diameter of described cylindrical metal tungsten bar.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620153400.0U CN205376465U (en) | 2016-02-29 | 2016-02-29 | Pottery fluorescent tube improves structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620153400.0U CN205376465U (en) | 2016-02-29 | 2016-02-29 | Pottery fluorescent tube improves structure |
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| Publication Number | Publication Date |
|---|---|
| CN205376465U true CN205376465U (en) | 2016-07-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620153400.0U Expired - Fee Related CN205376465U (en) | 2016-02-29 | 2016-02-29 | Pottery fluorescent tube improves structure |
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|---|---|
| CN (1) | CN205376465U (en) |
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2016
- 2016-02-29 CN CN201620153400.0U patent/CN205376465U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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: 20160706 Termination date: 20210228 |
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| CF01 | Termination of patent right due to non-payment of annual fee |