CN102082052B - Air exhauster for electrodeless lamp - Google Patents
Air exhauster for electrodeless lamp Download PDFInfo
- Publication number
- CN102082052B CN102082052B CN 201010615582 CN201010615582A CN102082052B CN 102082052 B CN102082052 B CN 102082052B CN 201010615582 CN201010615582 CN 201010615582 CN 201010615582 A CN201010615582 A CN 201010615582A CN 102082052 B CN102082052 B CN 102082052B
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- Prior art keywords
- air exhauster
- electrodeless lamp
- electrodeless
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- casing
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J9/00—Apparatus or processes specially adapted for the manufacture, installation, removal, maintenance of electric discharge tubes, discharge lamps, or parts thereof; Recovery of material from discharge tubes or lamps
- H01J9/38—Exhausting, degassing, filling, or cleaning vessels
- H01J9/385—Exhausting vessels
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J65/00—Lamps without any electrode inside the vessel; Lamps with at least one main electrode outside the vessel
- H01J65/04—Lamps in which a gas filling is excited to luminesce by an external electromagnetic field or by external corpuscular radiation, e.g. for indicating plasma display panels
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Plasma & Fusion (AREA)
- Manufacturing & Machinery (AREA)
- Electromagnetism (AREA)
- Discharge Lamps And Accessories Thereof (AREA)
- Manufacture Of Electron Tubes, Discharge Lamp Vessels, Lead-In Wires, And The Like (AREA)
Abstract
The invention discloses an air exhauster for an electrodeless lamp, which is used for evacuating the electrodeless lamp tube during the production of the electrodeless lamp and comprises a box body, a ventilation pipeline, an air exhausting device and an inflating device, wherein the box body is internally equipped with an exhaust pipe which is provided with a plurality of air exhausting holes, one end of the ventilation pipeline is connected with the exhaust pipe while the other end is connected with the air exhausting device and the inflating device respectively, the box body is further internally equipped with a plurality of metal plates corresponding to the air exhausting holes, two metal plates, as one group, form a plasma generating device, the plasma generating device is connected with an alternating current power supply, and the faces of the two metal plates in the plasma generating device are opposite to each other and installed at two sides of the air exhausting hole. Compared with the prior art, the air exhauster for the electrodeless lamp provided by the invention realizes the replacement of traditional fire-baking technology by using the plasma generating device, thus the air exhauster is high in air exhausting efficiency and good in air exhausting quality.
Description
Technical field
The present invention relates to a kind of electrodeless lamp air exhauster, relate in particular to a kind of electrodeless lamp air exhauster that vacuumizes efficient that uses plasma generator to improve electrodeless bulb.
Background technology
Electrodeless lamp is made up of radio-frequency generator, coupler and bulb three parts.It is that electromagnetic field through radio-frequency generator is coupled in the lamp with the mode of induction, makes the gas avalanche ionization in the bulb, forms plasma.The plasma-excited atom gives off ultraviolet ray when returning ground state.The fluorescent material of bulb inner wall receives ultraviolet ray excited generation visible light.
In the electrodeless lamp system fabrication technique, seal melt operation before, need carry out vacuum pumping to electrodeless bulb, wherein the quality of the vacuum degree of electrodeless bulb and electrodeless lamp is closely bound up.Existing electrodeless lamp air exhauster comprises baking box and gas extraction system, and during work, the electrodeless lamp that will be clamped in the baking box is heated to 500 degrees centigrade through fiery curing process; Gas extraction system is started working; To beginning vacuum pumping in the electrodeless bulb, after general 30 minutes, the vacuum degree in the electrodeless bulb reaches 3*10
-2Pa accomplishes the work that vacuumizes of electrodeless bulb.Yet; Use traditional fiery curing process to heat electrodeless bulb, not only spended time is long, and under heated condition, electrodeless bulb is carried out vacuum pumping; It is bad to vacuumize effect; Even with a collection of electrodeless bulb to be processed, the vacuum degree and the disunity of electrodeless its electrodeless bulb of lamp after bleeding, the vacuum degree of some electrodeless bulb even can not reach requirement.
Therefore, be badly in need of a kind of electrodeless lamp air exhauster effective, that quality is high that vacuumizes.
Summary of the invention
The purpose of this invention is to provide a kind of electrodeless lamp air exhauster effective, that quality is high that vacuumizes.
For on realizing purpose is arranged; The invention discloses a kind of electrodeless lamp air exhauster, be used for electrodeless lamp production to the vacuumizing of electrodeless fluorescent tube, it comprises casing, breather line, air extractor and aerating device; In the said casing blast pipe is installed; Said blast pipe is provided with several aspirating holes, and said breather line one end links to each other with said blast pipe, and the other end links to each other with aerating device with said air extractor respectively; Several and the corresponding metallic plate of said aspirating hole also are installed in the said casing; Two of said metallic plates are one group and form plasma generator, and said plasma generator links to each other with AC power, and the plate face of two metallic plates in the plasma generator is relative and be installed in the both sides of said aspirating hole.
Preferably; Said casing comprises workbench that is made up of bottom half and the case lid of being made up of the top and the sidepiece of casing; Said case lid is placed on the said workbench, and said plasma generator is parallel to be installed on the said case lid, and said blast pipe is installed on the said workbench.Like this; Before electrodeless bulb processing, can case lid be opened (can case lid sling) through lowering or hoisting gear, electrodeless bulb is clamped in the blast pipe top of workbench; And the pump-line of electrodeless bulb inserted in the said aspirating hole of blast pipe of the present invention, again case lid is covered on workbench.As above, casing is divided into discrete workbench and case lid two parts, convenient when making in casing installation electrodeless bulb to be processed.
Preferably, the top of said casing is provided with sliding rail longitudinally, and said metallic plate is slidingly mounted on the said sliding rail, and all can slidably reciprocate with respect to said aspirating hole along said sliding rail.Like this, can regulate the distance between said metallic plate and the electrodeless bulb to be processed, make the present invention can be used to process the electrodeless bulb of different size through sliding rail.
Preferably, said metallic plate is a copper coin.
Preferably, said metallic plate, long 1000mm, wide 500mm, thick 3mm.
Preferably, the spacing of said metallic plate and electrodeless fluorescent tube to be processed is 15mm.
Preferably; Said breather line extends to form vacuum lead and gas ducting to the end away from said blast pipe; Vacuum gate valve is installed on the said vacuum lead and links to each other, the inflation gate valve is installed on the said gas ducting and links to each other with said aerating device with vacuum extractor.
Particularly, said vacuum extractor comprises diffusion pump and air exhauster, and said diffusion pump links to each other with said vacuum lead, and said air exhauster links to each other with said diffusion pump.
Compared with prior art, the some groups of plasma generators that are made up of two metallic plates are installed also in the said casing, the plate face of two metallic plates relatively also is installed in the both sides of said aspirating hole respectively in the said plasma generator; During work; Electrodeless lamp is installed between two metallic plates of said plasma generator, to above-mentioned two metallic plate indirect currents, when alternating current reaches 3000W; Produce the plasma discharge phenomenon between two metallic plates; The high-velocity electrons bump is adsorbed on the assorted gas gas on its tube wall of electrodeless bulb between two metallic plates, thereby has quickened the release of the assorted gas gas on the tube wall, and this moment, air extractor was started working; Assorted gas gas in the electrodeless bulb is drained rapidly only, and has guaranteed the vacuum degree in the electrodeless bulb.Through evidence, adopt plasma discharge to come electrodeless bulb is vacuumized, only need 20 fens clock times of cost, the vacuum degree in the electrodeless bulb can reach 3*10
-2Pa than the roasting air aspiration process of tradition fire, shortened for 1/3rd time, and the vacuum degree in the electrodeless bulb after the processing is better more stable.Therefore, the pumping efficiency of the electrodeless lamp air exhauster of the present invention is high, the quality of bleeding is good, has guaranteed the vacuum degree of electrodeless bulb.
Description of drawings
Fig. 1 is the structural representation of the electrodeless lamp air exhauster of the present invention.
Fig. 2 is another structural representation of the electrodeless lamp air exhauster of the present invention.
Fig. 3 is the work sketch map of the electrodeless lamp air exhauster of the present invention.
Embodiment
By specifying technology contents of the present invention, structural feature, realized purpose and effect, give explanation below in conjunction with execution mode and conjunction with figs. are detailed.
With reference to figure 1 and Fig. 2; The electrodeless lamp air exhauster 100 of the present invention is used for electrodeless lamp production vacuumizing electrodeless bulb; It comprises casing 10, breather line 31, air extractor and aerating device (not shown), in the said casing 10 blast pipe 13 is installed, and said blast pipe 13 is provided with several aspirating holes 131; Said breather line 31 1 ends link to each other with said blast pipe 13; The other end links to each other with aerating device with said air extractor respectively, and several and the corresponding metallic plate 141,142 of said aspirating hole also are installed in the said casing, and 141,142 two of said metallic plates are one group and constitute plasma generator 14; Two metallic plates 141,142 in the plasma generator 14 link to each other with AC power, and in the plasma generator 14 two metallic plates 141,142 the plate face relatively and be installed in the both sides of said aspirating hole 131.Particularly, said metallic plate 141,142 is a copper coin, and the length of said metallic plate 141,142 is 1000mm, and wide is 500mm, and thickness is 3mm.
Particularly; With reference to figure 1-Fig. 3; Said casing 10 comprises workbench 12 that is made up of bottom half and the case lid of being made up of the top and the sidepiece of casing 11; Said case lid 11 is placed on the said workbench 12, plasma generator 14 parallel being installed on the said case lid 11, and said blast pipe 13 is installed on the said workbench.Before electrodeless bulb 20 processing; Case lid 11 is opened (can case lid 11 sling) through lowering or hoisting gear; Electrodeless bulb 20 is clamped in blast pipe 13 tops of workbench; And the pump-line of electrodeless bulb 20 21 inserted in the said aspirating hole 131 of blast pipe 13 of the present invention, again case lid 11 is covered on workbench 12.
The preferably; With reference to figure 1-Fig. 3; The top of said casing 11 is provided with sliding rail 111 longitudinally, and said metallic plate 141,142 is slidingly mounted on the said sliding rail 111, and all can slidably reciprocate with respect to said aspirating hole 131 along said sliding rail 111; Along sliding rail 111 moving metal plates 141,142, the spacing that can regulate metallic plate 141,142 and electrodeless bulb 20.Wherein, the spacing of said metallic plate 141,142 and electrodeless fluorescent tube to be processed is good with 15mm.
Particularly; With reference to figure 1-Fig. 3; Said breather line 31 extends to form vacuum lead 311 and gas ducting 312 to the end away from said blast pipe 13; Vacuum gate valve 313 is installed on the said vacuum lead 311 and links to each other, inflation gate valve 314 is installed on the said gas ducting 312 and links to each other with said aerating device with vacuum extractor.Wherein, said vacuum extractor comprises diffusion pump and air exhauster, and said diffusion pump links to each other with said vacuum lead, and said air exhauster links to each other with said diffusion pump.
With reference to figure 3; The course of work of the electrodeless lamp air exhauster 100 of the present invention is described; Before starting working; Mix up two metallic plates 141,142 in the plasma generator 14 apart from the distance between the aspirating hole 131; Electrodeless bulb to be processed 20 is contained in blast pipe 13 tops, and (perhaps the mode through welding connects together the pump-line 21 of electrodeless bulb 20 and the aspirating hole 131 of blast pipe 13) covers case lid 11 on workbench 12 in the said aspirating hole 131 of the pump-line 21 insertion blast pipes 13 of electrodeless bulb 20; Two metallic plates, 141,142 indirect currents (metallic plate 141 is linked to each other with live wire, and metallic plate 142 links to each other with zero line) in the article on plasma generating means 14 are when this alternating current reaches 3000W; Two metallic plates 141, the plasma discharge phenomenon takes place between 142; High-velocity electrons bumps is adsorbed on the assorted gas gas on two metallic plates 141,20 tube walls of the electrodeless bulb between 142, quickens the release of the assorted gas gas on the tube wall, meanwhile; Vacuum gate valve 313 is opened; Air extractor is started working, and the assorted gas gas in the electrodeless bulb 20 is drained rapidly only through breather line 31, and the vacuum degree in electrodeless bulb 20 reaches 3*10
-2During Pa, close vacuum gate valve 313, open inflation gate valve 314; Aerating device is started working, and the inert gas that in electrodeless bulb 20, fills mixing is closed inflation gate valve 314 until accomplishing inflation; The electrodeless bulb 20 that to accomplish exhaust work at last seals molten the processing, accomplishes the processing of electrodeless bulb 20.
The above disclosed the preferred embodiments of the present invention that are merely can not limit the present invention's interest field certainly with this, so according to the equivalent variations that claim of the present invention is done, still belong to the scope that the present invention is contained.
Claims (8)
1. electrodeless lamp air exhauster; Be used for electrodeless lamp production vacuumizing to electrodeless fluorescent tube; It comprises casing, breather line, air extractor and aerating device, in the said casing blast pipe is installed, and said blast pipe is provided with several aspirating holes; Said breather line one end links to each other with said blast pipe; The other end links to each other with aerating device with said air extractor respectively, it is characterized in that: several and the corresponding metallic plate of said aspirating hole also are installed in the said casing, and two of said metallic plates are one group and form plasma generator; Said plasma generator links to each other with AC power, and in the plasma generator two metallic plates the plate face relatively and be installed in the both sides of said aspirating hole.
2. electrodeless lamp air exhauster as claimed in claim 1; It is characterized in that: said casing comprises workbench that is made up of bottom half and the case lid of being made up of the top and the sidepiece of casing; Said case lid is placed on the said workbench; Said plasma generator is parallel to be installed on the said case lid, and said blast pipe is installed on the said workbench.
3. electrodeless lamp air exhauster as claimed in claim 2, it is characterized in that: the top of said casing is provided with sliding rail longitudinally, and said metallic plate is slidingly mounted on the said sliding rail, and all can slidably reciprocate with respect to said aspirating hole along said sliding rail.
4. electrodeless lamp air exhauster as claimed in claim 1 is characterized in that: said metallic plate is a copper coin.
5. electrodeless lamp air exhauster as claimed in claim 1 is characterized in that: the long 1000mm of said metallic plate, wide 500mm, thick 3mm.
6. electrodeless lamp air exhauster as claimed in claim 1 is characterized in that: the spacing of said metallic plate and electrodeless fluorescent tube to be processed is 15mm.
7. electrodeless lamp air exhauster as claimed in claim 1; It is characterized in that: said breather line extends to form vacuum lead and gas ducting to the end away from said blast pipe; Vacuum gate valve is installed on the said vacuum lead and links to each other, the inflation gate valve is installed on the said gas ducting and links to each other with said aerating device with vacuum extractor.
8. electrodeless lamp air exhauster as claimed in claim 7, it is characterized in that: said vacuum extractor comprises diffusion pump and air exhauster, and said diffusion pump links to each other with said vacuum lead, and said air exhauster links to each other with said diffusion pump.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010615582 CN102082052B (en) | 2010-12-30 | 2010-12-30 | Air exhauster for electrodeless lamp |
| PCT/CN2011/085032 WO2012089158A1 (en) | 2010-12-30 | 2011-12-30 | Air extracting machine for electrodeless lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010615582 CN102082052B (en) | 2010-12-30 | 2010-12-30 | Air exhauster for electrodeless lamp |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102082052A CN102082052A (en) | 2011-06-01 |
| CN102082052B true CN102082052B (en) | 2012-05-16 |
Family
ID=44087939
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201010615582 Expired - Fee Related CN102082052B (en) | 2010-12-30 | 2010-12-30 | Air exhauster for electrodeless lamp |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN102082052B (en) |
| WO (1) | WO2012089158A1 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102082052B (en) * | 2010-12-30 | 2012-05-16 | 广东泰卓光电科技股份有限公司 | Air exhauster for electrodeless lamp |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6095832A (en) * | 1983-10-28 | 1985-05-29 | Toshiba Corp | Production of bulb |
| JPH03108234A (en) * | 1989-09-20 | 1991-05-08 | Toshiba Lighting & Technol Corp | Manufacture of tubular bulb |
| JPH11329241A (en) * | 1998-05-06 | 1999-11-30 | Matsushita Electron Corp | Cleaning method for lamp tube body |
| CN101329973B (en) * | 2008-07-16 | 2010-06-23 | 徐州欧源照明有限公司 | Lamp tube exhauster |
| CN201681782U (en) * | 2010-04-20 | 2010-12-22 | 宿迁市嘉润照明有限公司 | Energy-efficient lamp vacuum pump free high vacuum exhaust system |
| CN102082052B (en) * | 2010-12-30 | 2012-05-16 | 广东泰卓光电科技股份有限公司 | Air exhauster for electrodeless lamp |
| CN201985069U (en) * | 2010-12-30 | 2011-09-21 | 广东泰卓光电科技股份有限公司 | Electroless lamp air extractor |
-
2010
- 2010-12-30 CN CN 201010615582 patent/CN102082052B/en not_active Expired - Fee Related
-
2011
- 2011-12-30 WO PCT/CN2011/085032 patent/WO2012089158A1/en active Application Filing
Also Published As
| Publication number | Publication date |
|---|---|
| CN102082052A (en) | 2011-06-01 |
| WO2012089158A1 (en) | 2012-07-05 |
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Granted publication date: 20120516 Termination date: 20151230 |
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