CN202616197U - Improved straight alumina ceramic electric-arc tube structure - Google Patents
Improved straight alumina ceramic electric-arc tube structure Download PDFInfo
- Publication number
- CN202616197U CN202616197U CN 201220276137 CN201220276137U CN202616197U CN 202616197 U CN202616197 U CN 202616197U CN 201220276137 CN201220276137 CN 201220276137 CN 201220276137 U CN201220276137 U CN 201220276137U CN 202616197 U CN202616197 U CN 202616197U
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- straight tube
- straight
- cap
- tube
- cylindrical
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Abstract
The utility model relates to an improved straight alumina ceramic electric-arc tube structure comprising a cylindrical straight tube with a cavity. Two ends of the straight tube are provided with a bottle plug type cap portion made of same materials with the cylindrical straight tube. A groove in a circle is arranged on the outer wall near each of two ends of the straight tube, and the grooves in circles are communicated by a groove arranged on the outer wall of the straight tube in parallel to the central line of the straight tube. Each bottle plug type cap portion is in a cylindrical structure with a circular extension at one end. The outer diameter of the cylindrical structure at the end is matched with the inner diameter of the straight tube, and the center of the cap portion is provided with an inner hole communicated with the straight tube.
Description
Technical field
The utility model relates to the metal halid lamp electric arc tube, particularly relates to a kind of straight type aluminium oxide ceramics electric arc tube and improves structure.
Background technology
Advantages such as the semitransparent ceramics that adopts polycrystal alumina has the working temperature height as the metal halid lamp of arctube material, and light efficiency is high, and light decay is little, and good and life-span of colour developing is long.
Current ceramet Halogen lamp LED electric arc tube mainly adopts the translucent alumina ceramics manufacturing, and switch mainly contains cylindrical, and cylinder and circular cone are combined; Elliposoidal; But existing these types are the complicated difficult processing of processing technology, and need add forming agent during fabrication, improve production cost.
Existing cylindrical aluminium oxide ceramics electric arc tube mainly is cylindrical straight tube of one processing; End cap is made with metal in two ends; Electrode is fixed with insulating material with metal end and is isolated; This structure brings many inconvenience for the postorder work of light fixture, and developing a kind of aluminium oxide ceramics electric arc tube that can be convenient to postorder processing is the problem of the required solution in this area.
Prior art is used the two ends of cylinder straight tube are directly in aggregates with straight tube; Though this processing mode can guarantee the integraty of electric arc tube; But this processing mode can only adopt the half the mode of electric arc tube to process base substrate and then two parts are carried out presintering and be processed into a cylindrical structural; This just makes the thickness of centre of electric arc tube greater than other wall thickness, and percent defective is higher simultaneously to influence translucent effect.
When the length of electric arc tube increased, the distance of two electrodes strengthened, and in order to guarantee between two electrodes, to realize the generation of electric arc, just need to strengthen two interelectrode electric currents, and the electric current increase received the restriction of ballast.
The utility model content
The purpose of the utility model provides a technical scheme, makes electrode directly be installed on the two ends of ceramic arc tube, no longer needs the metal end at former cylindrical straight tube two ends.
Another purpose of the utility model is when two electrode distances in the electric arc tube strengthen, and need not increase big electric current and still realize luminously, also can not increase the burden of ballast.
The utility model is realized through following technical scheme:
Straight type aluminium oxide ceramics electric arc tube improves structure; Include the cylindrical straight tube of a band cavity; Respectively there is a bottle stopper formula cap with the identical material of cylindrical straight tube at the two ends of said straight tube; Near the both ends of said straight tube outer wall respectively has a circle groove, this two circles groove by one be positioned at straight tube outer wall and straight parallel tube hub line groove be connected, said groove is embedded in the conductor of connection; Said cap is the cylindrical structural that an end has circular extension, and the cylindrical outer diameter of said end matches with the internal diameter of straight tube, the endoporus of the center of said cap for communicating with straight tube, and the diameter of the circular extension of said cap is identical with the external diameter of straight tube.
The thickness of the circular extension of said cap is identical with the wall thickness of straight tube.
The width of said groove is identical with the degree of depth.
The beneficial effect of the utility model is:
Through the present technique scheme, with pack into the fixing making of just accomplishing light fixture of endoporus blended rubber body of cap of electrode, operation is simple.
Description of drawings
Fig. 1, the utility model structural representation;
Fig. 2, the cross-sectional view of the cylindrical straight tube of the utility model.
11, cylindrical straight tube 12,13, cap 14,15,16, groove
Embodiment
Below in conjunction with the concrete technical scheme of accompanying drawing detailed description the utility model, the specific embodiment of the utility model only is exemplary, can only be used to explain the utility model and can not be interpreted as to be the restriction to the utility model.
Straight type aluminium oxide ceramics electric arc tube improves structure, includes the cylindrical straight tube 11 of a band cavity, and respectively there is a bottle stopper formula cap (12 with the identical material of cylindrical straight tube at the two ends of said straight tube 11; 13); Near the both ends of said straight tube 11 outer wall respectively has a circle groove (15,16), this two circles groove (15; 16) by one be positioned at straight tube outer wall and straight parallel tube hub line groove 14 be connected, said groove is embedded in the conductor (end illustrates in the accompanying drawing) of connection; Said cap is the cylindrical structural that an end has circular extension, and the cylindrical outer diameter of said end matches with the internal diameter of straight tube, the endoporus of the center of said cap for communicating with straight tube, and the diameter of the circular extension of said cap is identical with the external diameter of straight tube.
The width of said groove is identical with the degree of depth, and the cross section that embeds the metallic conductor in the groove like this equates, has just guaranteed that also the resistance value of metallic conductor is identical, can keep even to two interelectrode current affects.
In burning the casting process, make the ceramic body of straight tube and cap at first respectively, the base substrate of two caps is packed on the straight tube base substrate, carry out presintering processing and later stage operation, the straight tube of the electric arc tube of so last moulding becomes as a whole with cap.
The thickness of the circular extension of said cap is identical with the wall thickness of straight tube in the present embodiment, and in other embodiments, can the get along well wall thickness of straight tube of the thickness of the circular extension of cap is identical, and such variation does not influence the technical scheme of this patent.
The center of said cap is the aperture of the endoporus that communicates with the straight tube internal diameter less than straight tube; Generally with the aperture of the endoporus of cap be straight tube internal diameter 1/3rd to 1/4th between; The purpose of selecting so mainly is the installation that is beneficial to electrode; If the aperture of cap endoporus is excessive, just need too much fixedly operation or material during installing electrodes, do not reach the purpose of this patent.
The length of said cap cylindrical structural is 5mm-20mm, if the length of the cylindrical structural of cap is too short, can not realize the firm of electrode, if long increase cost.
The above only is the specific descriptions to the utility model technical scheme, and those skilled in the art can improve according to the present technique scheme certainly, and these improvement should be considered in the protection range of the utility model.
Claims (5)
1. straight type aluminium oxide ceramics electric arc tube improves structure; Include the cylindrical straight tube of a band cavity; It is characterized in that: respectively there is a bottle stopper formula cap with the identical material of cylindrical straight tube at the two ends of said straight tube; Near the both ends of said straight tube outer wall respectively has a circle groove, this two circles groove by one be positioned at straight tube outer wall and straight parallel tube hub line groove be connected, said groove is embedded in the conductor of connection; Said cap is the cylindrical structural that an end has circular extension, and the cylindrical outer diameter of said end matches with the internal diameter of straight tube, the endoporus of the center of said cap for communicating with straight tube, and the diameter of the circular extension of said cap is identical with the external diameter of straight tube.
2. straight type aluminium oxide ceramics electric arc tube according to claim 1 improves structure, and it is characterized in that: the thickness of the circular extension of said cap is identical with the wall thickness of straight tube.
3. straight type aluminium oxide ceramics electric arc tube according to claim 1 improves structure, and it is characterized in that: the width of said groove is identical with the degree of depth.
4. straight type aluminium oxide ceramics electric arc tube according to claim 1 improves structure, it is characterized in that: the aperture of the endoporus of cap be straight tube internal diameter 1/3rd to 1/4th between.
5. straight type aluminium oxide ceramics electric arc tube according to claim 1 improves structure, and it is characterized in that: the length of said cap cylindrical structural is 5mm-20mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220276137 CN202616197U (en) | 2012-06-08 | 2012-06-08 | Improved straight alumina ceramic electric-arc tube structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220276137 CN202616197U (en) | 2012-06-08 | 2012-06-08 | Improved straight alumina ceramic electric-arc tube structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202616197U true CN202616197U (en) | 2012-12-19 |
Family
ID=47349870
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220276137 Expired - Fee Related CN202616197U (en) | 2012-06-08 | 2012-06-08 | Improved straight alumina ceramic electric-arc tube structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202616197U (en) |
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2012
- 2012-06-08 CN CN 201220276137 patent/CN202616197U/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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121219 Termination date: 20170608 |