CN202259146U - End cap assembly of four-stage depressed collector of traveling wave tube - Google Patents
End cap assembly of four-stage depressed collector of traveling wave tube Download PDFInfo
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- CN202259146U CN202259146U CN2011203153049U CN201120315304U CN202259146U CN 202259146 U CN202259146 U CN 202259146U CN 2011203153049 U CN2011203153049 U CN 2011203153049U CN 201120315304 U CN201120315304 U CN 201120315304U CN 202259146 U CN202259146 U CN 202259146U
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- cap
- sleeve
- end cap
- wave tube
- lead
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Abstract
The utility model discloses an end cap assembly of a four-stage depressed collector of a traveling wave tube, comprising an end cap, an exhaust tube and an output terminal assembly. The center of the end cap is provided with a through hole; the exhaust tube is arranged in the through hole of the center of the end cap; and the output assembly is arranged on the end cap with the end cap center as the symmetry center. In the utility model, the output terminal assembly and the exhaust tube are distributed on the end cap compactly, which not only effectively utilizes the space on the collector end cap, but also enhances the miniaturization of the traveling wave tube; and the end cap assembly can be well matched with the four-stage depressed collector of the traveling wave tube, which can guarantee the high stability and reliability of the traveling wave tube.
Description
Technical field
The utility model relates to the microwave vacuum devices field, is specifically related to a kind of end-cap assembly of travelling wave tube level Four depressed collector.
Background technology
Travelling wave tube is widely used in fields such as space flight, military affairs as power amplifying device.In recent years, along with the develop rapidly in military and space field, the travelling wave tube performance has been proposed increasingly high requirement, one of them aspect is exactly the miniaturization of travelling wave tube, i.e. travelling wave tube small size and light weight.Travelling wave tube mainly is made up of electron gun, slow wave system and collector, and wherein collector is a critical component that influences the travelling wave tube volume and weight.Collector receive send from electron gun with the microwave mutual effect after electronics; When getting to collector, electronics changes into heat; This has not only wasted energy; And for the heat radiation of collector has brought difficulty, and multi-level depressurization collector not only can energy savings but also can be reduced the heat energy on the collector, can improve homogeneous tube efficient simultaneously.For the homogeneous tube efficient that improves travelling wave tube generally adopts level Four depressed collector structure, each is collected the step voltage lead-in wire and needs to draw from the collector end cap at present; Carry out exhaust owing to need on collector, to weld comb usually in addition; So end-cap assembly of corresponding collector; One side need be worked good with the travelling wave tube collector; Satisfy the high efficiency of travelling wave tube, the requirement of high reliability, need to effectively reduce the volume and weight of collector after the travelling wave tube embedding on the other hand, to satisfy the requirement of travelling wave tube miniaturization.
The utility model content
The purpose of the utility model is to provide the end-cap assembly that a kind of reliability is high, help the travelling wave tube level Four depressed collector of travelling wave tube miniaturization.
To achieve these goals, the technical scheme of the utility model employing is:
The end-cap assembly of said travelling wave tube level Four depressed collector is made up of end cap, comb and cap assembly; Be provided with through hole at the end cap center, said comb is located at the through hole at said end cap center; Said cap assembly is that symmetrical centre is arranged on the said end cap with the end cap center.
Said cap assembly comprises sleeve, is provided with the output pottery in said sleeve inner, is provided with the lead-in wire sleeve at said output pottery center, said lead-in wire sleeve pass said output pottery center and with output pottery matched in clearance; Between said lead-in wire sleeve and said output pottery, be provided with the lead-in wire sleeve cap, said lead-in wire sleeve cap respectively with said lead-in wire sleeve and output ceramic welding.
Said cap assembly cooperates with end cap through sleeve, on the excircle of said sleeve one side, is provided with flange, on said end cap, is provided with the groove that cooperates with said flange, and the groove center on said end cap is provided with the through hole that supplies said sleeve to pass; Said sleeve and the welding of said end cap.
Said output pottery and said sleeve welding, on said sleeve interior surface, be provided with one with the step of said output pottery outer surface matched in clearance.
Be provided with an installation step at said output pottery center, said lead-in wire sleeve cap one side external surface stretches out the flange that cooperates with said installation step, and said lead-in wire sleeve cap is welded on the ceramic installation step of said output through said flange.
Be provided with flange at said end cap outward flange, the end-cap assembly of described travelling wave tube level Four depressed collector is through said flange and traveling wave tube slow-wave system welding.
On the two ends of said comb, be provided with installation step, said comb is through the installation step and the welding of said end cap of an end.
Said lead-in wire sleeve and comb are hollow tubular structure.
The beneficial effect of the utility model is: the end-cap assembly of said travelling wave tube level Four depressed collector, and cap assembly and comb are distributed on the end cap very compactly; The space that has not only effectively utilized collector end to cover, and can well cooperate with the level Four depressed collector of travelling wave tube; At first, whole end-cap assembly is with after slow wave system is docked, and the length of end cap rear end lead-in wire sleeve is merely 4.5mm, considers that the length after comb is cut is 10mm at most, can reduce the length of collector after the embedding greatly; Secondly, cap assembly and comb are distributed on the end cap very compactly, and the space that has effectively utilized collector end to cover is avoided having reduced the volume of collector at other position welding combs; Once more, whole end-cap assembly air-tightness is better, can guarantee the high stability and the reliability of travelling wave tube; At last, whole welding process only needed for two steps accomplished, and can reduce operating personnel's workload.
Description of drawings
Face the content of each width of cloth accompanying drawing expression of the utility model specification and the mark among the figure down and make brief description:
Fig. 1 is the structural representation of the end-cap assembly of the utility model travelling wave tube level Four depressed collector;
Fig. 2 is the structural representation of cap assembly in the end-cap assembly of travelling wave tube level Four depressed collector among Fig. 1;
Fig. 3 is the structural representation of output pottery in Fig. 2 cap assembly;
Mark among the above-mentioned figure is:
1, cap assembly, 2, end cap, 3, comb, 4, sleeve, 5, the output pottery, 6, the lead-in wire sleeve, 7, the lead-in wire sleeve cap.
Embodiment
Contrast accompanying drawing below,, the embodiment of the utility model is done further detailed explanation through description to optimum embodiment.
To shown in Figure 3, the end-cap assembly of said travelling wave tube level Four depressed collector is made up of end cap 2, the cap assembly 1 that is used for the comb 3 of exhaust and is used to install voltage lead like Fig. 1; Be provided with through hole at end cap 2 centers, said comb 3 is located at the through hole at said end cap 2 centers; Said cap assembly 1 is that symmetrical centre is arranged on the said end cap 2 with end cap 2 centers.
The end-cap assembly of said travelling wave tube level Four depressed collector, the comb 3 that is used to the cap assembly 1 of voltage lead is installed and is used for exhaust is distributed in end cap 2 very compactly; Not only effectively utilized the space on the collector end cap 2, and can well cooperate with the level Four depressed collector of travelling wave tube; Avoided on the one hand having reduced the volume of collector, helped the miniaturization of travelling wave tube at other position welding comb 3 or cap assembly 1; Guaranteed the high reliability of travelling wave tube on the other hand.
As shown in Figure 2, the said cap assembly 1 that is used to install voltage lead comprises sleeve 4, and sleeve 4 is processed by cutting down material, and for satisfying travelling wave tube miniaturization requirement, sleeve thickness is 0.4mm, 7～10 microns of plating nickel on surface; Be provided with output pottery 5 in sleeve 4 inside; Be provided with the lead-in wire sleeve 6 that the voltage supplied lead-in wire stretches out at output pottery 5 centers; Lead-in wire sleeve 6 pass output pottery 5 centers and with output pottery 5 matched in clearance, lead-in wire sleeve 6 external diameter specific outputs hold ceramic 5 internal diameter sizes little; Be installing and fixing of lead-in wire sleeve 6, between lead-in wire sleeve 6 and output ceramic 5, be provided with lead-in wire sleeve cap 7, lead-in wire sleeve cap 7 is welded with lead-in wire sleeve 6 and output pottery 5 respectively.
Cap assembly 1 cooperates with end cap 2 through sleeve 4, on the excircle of sleeve 4 one sides, is provided with one and encloses the wide flange of 0.7mm that is, on end cap 2, is provided with the groove that cooperates with flange, and the groove center on end cap is provided with the through hole that supplies sleeve 4 outer surfaces to pass; Sleeve 4 and end cap 2 welding.
Be the connective stability of assurance cap assembly 1, and then guarantee the stable installation property of said end-cap assembly; Output pottery 5 and sleeve 4 welding, sleeve 4 internal diameters are greater than output pottery 5 external diameters, and sleeve 4 internal diameter specific outputs hold ceramic 5 external diameters big 4～6, between output pottery 5 outer surfaces and sleeve 4 inner surfaces, are provided with the gap that scolder evenly flows into when being convenient to weld; Further for guaranteeing the stability of welding; On sleeve 4 inner surfaces, be provided with one with the step of output pottery 5 outer surface matched in clearance; Be convenient to operation when welding like this, scolder flow in the gap of sleeve 4 and output pottery 5 easily, can guarantee the stability of welding; On sleeve 4 outer surfaces, be provided with another step corresponding with the inner surface step, the step place carries out rounding and handles.
For guaranteeing the welding stability of lead-in wire sleeve cap 7 and output pottery 5; Further guarantee the stable installation property of lead-in wire sleeve 6; Be provided with an installation step at output pottery 5 centers; Output pottery 5 one end internal diameters are Φ 6, and other end internal diameter is Φ 1.6, and lead-in wire sleeve 6 external diameter specific outputs hold the size of ceramic 5 Φ 1.6 little 8～10; Lead-in wire sleeve cap 7 one side external surfaces stretch out the flange that cooperates with installation step, the wide 1.25mm of flange, thick 0.5mm; Lead-in wire sleeve cap 7 is welded on the installation step of output pottery 5 through said flange.Output pottery 5 is by Al
2O
3Material is processed; Output pottery 5 is before welding with sleeve 4 and lead-in wire sleeve cap 7; Solder side A, B, C (as shown in Figure 3) are carried out after the metalized 3～6 microns of nickel plating, lead-in wire sleeve cap 7 length overall 2.4mm, lead-in wire sleeve cap 7 internal diameters are bigger 4～6 than lead-in wire sleeve 6 external diameters.
The end-cap assembly of said travelling wave tube level Four depressed collector and traveling wave tube slow-wave system welding; For ease of the installation of said end-cap assembly, end cap 2 is discoid, processes by cutting down material; Be provided with flange at end cap 2 outward flanges; The wide 2.6mm of flange, 7～10 microns of thick 0.6mm, the end cap 2 part surface nickel plating except that flange; The through hole that end cap 2 centers are used to weld comb 3 is Φ 5.5, is that Φ 19 places evenly distribute and are used to install cap assembly 1 about centrosymmetric through hole in end cap 2 centre-to-centre spacing, and this through hole is the through hole at the groove center that cooperates with sleeve 4 flange on the end cap 2; Through flange said end-cap assembly and traveling wave tube slow-wave system argon arc welding are welded.
Lead-in wire sleeve 6 is a hollow tubular structure, processes 7～10 microns of plating nickel on surface by cutting down material; Lead-in wire sleeve cap 7 is processed 7～10 microns of plating nickel on surface by cutting down material; Comb 3 is a hollow tubular structure, is made by oxygenless copper material, and the long 75mm of comb, external diameter are Φ 6, for ease of the stable installation of comb 3, on the two ends of comb 3, is provided with the installation step of Φ 5.5, and comb 3 is through the installation step and 2 welding of said end cap of an end.
The end-cap assembly of said travelling wave tube level Four depressed collector; With sleeve 4, output pottery 5, lead-in wire sleeve 6 and the lead-in wire sleeve cap 7 disposable cap assemblies 1 that are welded as, again cap assembly 1, comb 3 disposable being welded to are formed said end-cap assembly on the end cap 2 earlier; Detailed process is following: first A with output pottery 5, B, 3～6 microns of C face metallization back nickel plating; The benchmark that respectively is of a size of with output pottery 5 is done sleeve 4, lead-in wire sleeve 6 and lead-in wire sleeve cap 7; Detect and clean above part; With sleeve 4, lead-in wire sleeve 6 and 7～10 microns of sleeve cap 7 nickel plating that go between; The inspection thickness of coating send heat treatment to carry out annealing in hydrogen atmosphere qualified product; Check quality of coating behind the annealing in hydrogen atmosphere; Sleeve 4, output pottery 5, lead-in wire sleeve 6 and lead-in wire sleeve cap 7 are positioned on the special fixture, place the DHLAg solder wire of Φ 0.5 at a, b and c place respectively; Above part is put into the hydrogen stove together with anchor clamps carry out soldering, form cap assembly 1; Clean end cap 2 and removing 7～10 microns of flange part nickel plating; On the special fixture four cap assemblies 1 and comb 3 are being placed on the end cap 2, at d, the e position is placed the AgCu28 solder wire of Φ 0.5 respectively; Above assembly is put into the hydrogen stove together with anchor clamps carry out soldering, form end-cap assembly.
Above the utility model has been carried out exemplary description; Obviously the concrete realization of the utility model does not receive the restriction of aforesaid way; As long as adopted the method design of the utility model and the improvement of the various unsubstantialities that technical scheme is carried out; Or the design of the utility model and technical scheme are directly applied to other occasion without improving, all within the protection range of the utility model.
Claims (8)
1. the end-cap assembly of a travelling wave tube level Four depressed collector is characterized in that: be made up of end cap (2), comb (3) and cap assembly (1); Be provided with through hole at end cap (2) center, said comb (3) is located at the through hole at said end cap (2) center; Said cap assembly (1) is that symmetrical centre is arranged on the said end cap (2) with end cap (2) center.
2. according to the end-cap assembly of the described travelling wave tube level Four of claim 1 depressed collector; It is characterized in that: said cap assembly (1); Comprise sleeve (4); Be provided with output pottery (5) in said sleeve (4) inside, be provided with lead-in wire sleeve (6) at said output pottery (5) center, said lead-in wire sleeve (6) pass said output pottery (5) center and with output pottery (5) matched in clearance; Between said lead-in wire sleeve (6) and said output pottery (5), be provided with lead-in wire sleeve cap (7), said lead-in wire sleeve cap (7) is welded with said lead-in wire sleeve (6) and output pottery (5) respectively.
3. according to the end-cap assembly of the described travelling wave tube level Four of claim 2 depressed collector; It is characterized in that: said cap assembly (1) cooperates with end cap (2) through sleeve (4); On the excircle of said sleeve (4) one sides, be provided with flange; On said end cap (2), be provided with the groove that cooperates with said flange, be provided with the through hole that supplies said sleeve (4) to pass at said end cap (2) upper groove center; Said sleeve (4) and said end cap (2) welding.
4. according to the end-cap assembly of the described travelling wave tube level Four of claim 3 depressed collector; It is characterized in that: said output pottery (5) and said sleeve (4) welding, on said sleeve (4) inner surface, be provided with one with the step of said output pottery (5) outer surface matched in clearance.
5. according to the end-cap assembly of the described travelling wave tube level Four of claim 4 depressed collector; It is characterized in that: be provided with installation step at said output pottery (5) center; Said lead-in wire sleeve cap (7) one side external surfaces stretch out the flange that cooperates with said installation step, and said lead-in wire sleeve cap (7) is welded on the installation step of said output pottery (5) through said flange.
6. according to the end-cap assembly of the described travelling wave tube level Four of claim 5 depressed collector; It is characterized in that: be provided with flange at said end cap (2) outward flange, the end-cap assembly of described travelling wave tube level Four depressed collector is through said flange and traveling wave tube slow-wave system welding.
7. according to the end-cap assembly of the described travelling wave tube level Four of claim 6 depressed collector, it is characterized in that: on the two ends of said comb (3), be provided with installation step, said comb (3) is through the installation step and said end cap (2) welding of an end.
8. according to the end-cap assembly of the described travelling wave tube level Four of claim 7 depressed collector, it is characterized in that: said lead-in wire sleeve (6) and comb (3) are hollow tubular structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203153049U CN202259146U (en) | 2011-08-26 | 2011-08-26 | End cap assembly of four-stage depressed collector of traveling wave tube |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203153049U CN202259146U (en) | 2011-08-26 | 2011-08-26 | End cap assembly of four-stage depressed collector of traveling wave tube |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202259146U true CN202259146U (en) | 2012-05-30 |
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ID=46120346
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011203153049U Expired - Fee Related CN202259146U (en) | 2011-08-26 | 2011-08-26 | End cap assembly of four-stage depressed collector of traveling wave tube |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202259146U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103681166A (en) * | 2013-12-26 | 2014-03-26 | 安徽华东光电技术研究所 | Exhaust tooling for small-sized travelling wave tube and machining method and application method thereof |
| CN108156745A (en) * | 2018-01-23 | 2018-06-12 | 中国科学院近代物理研究所 | Power input coupler |
-
2011
- 2011-08-26 CN CN2011203153049U patent/CN202259146U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103681166A (en) * | 2013-12-26 | 2014-03-26 | 安徽华东光电技术研究所 | Exhaust tooling for small-sized travelling wave tube and machining method and application method thereof |
| CN103681166B (en) * | 2013-12-26 | 2015-11-25 | 安徽华东光电技术研究所 | A kind of processing of the exhaust tooling for mini-TWT and using method |
| CN108156745A (en) * | 2018-01-23 | 2018-06-12 | 中国科学院近代物理研究所 | Power input coupler |
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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: 20120530 Termination date: 20170826 |