CN203491210U - Travelling wave tube collector - Google Patents
Travelling wave tube collector Download PDFInfo
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- CN203491210U CN203491210U CN201320583268.3U CN201320583268U CN203491210U CN 203491210 U CN203491210 U CN 203491210U CN 201320583268 U CN201320583268 U CN 201320583268U CN 203491210 U CN203491210 U CN 203491210U
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Abstract
The utility model discloses a travelling wave tube collector. The travelling wave tube collector of the utility model adopts a four-stage voltage reduction structure and comprises a cylindrical shell, a collector lead column, and a first collector, a second collector, a third collector and a fourth collector which are all coaxial to the central axis of interaction electron beams, wherein the position of the first collector is close to that of a traveling wave tube slow-wave structure, and the second collector, the third collector and the fourth collector are arranged in sequence following the first collector; collector medium materials are arranged among the collectors at intervals; the collector medium materials are welded on the housing; passages for collector leads to pass through are arranged in the collector medium materials; and the four collectors are arranged in the housing. By adopting the collector with the technical scheme of the utility model, the relatively high efficiency can be achieved, and the requirement of space traveling wave tubes can be met.
Description
Technical field
The utility model relates to microwave electron tube field, relates in particular to a kind of traveling-wave tube collector.
Background technology
Travelling wave tube is a kind of microwave power amplifier part, in some occasion, travelling wave tube has higher efficiency requirement, such as on satellite, space travelling wave tube is the main microwave power amplifier part of space flight payload system, be widely used in communication and navigation transponder, the inside such as high speed data transmission system, therefore, to the requirement of space travelling wave tube, be that efficiency is high, the life-span is long, reliability is high, this is that 80%～90% energy is for travelling wave tube because the power that can supply on satellite is limited, therefore require space travelling wave tube to have high as far as possible efficiency, to save energy on star.
Utility model content
The purpose of this utility model is to improve the especially gross efficiency of space travelling wave tube of travelling wave tube, in order to improve the gross efficiency of travelling wave tube, the Main Means that the utility model adopts is to provide a kind of level Four depressed collector of new structure, reclaims the dump energy of the electron beam after mutual effect by the collector of described structure.Collector by described structure is strengthened the electronics radial velocity sorting after mutual effect.
The technical solution of the utility model is: a kind of traveling-wave tube collector, comprises all first collector, second collector, three collector, four collectors coaxial with the central axis of mutual effect electron beam of the shell, collector stem of tubular and four, described collector stem comprises collector lead-in wire and insulator, described collector stem is arranged on the end face of shell, the multistage step-down successively of described collector is for collecting the electron beam after travelling wave tube mutual effect, the position of described the first collector is near TWT slow wave structure, after following the first collector closely, set gradually the second collector, the 3rd collector and the 4th collector, described four collector settings in the enclosure, between between described collector across collector dielectric material, described collector dielectric material is welded on shell, in described part collector dielectric material, leave the passage passing through for collecting lead-in wire,
Described first collects the very tubular cavity of hollow, described the first collector is provided with near the axial end shaft core position of TWT slow wave structure the passway of passing through for electron beam after mutual effect, described passage bore is less than electron beam bore after mutual effect, described second collects very tubular cavity, described the second collector comprises the fore-end of the second collector and the rear end part of the second collector, the fore-end of described the second collector stretches in the cylindric cavity of the first collector, the axial end shaft core position of the fore-end of described the second collector is provided with the passway that supplied for electronic bundle passes through, the bore of the rear end part of described the second collector is greater than the bore of the fore-end of the second collector, the part that the fore-end of described the second collector is connected with the rear end part of the second collector is right angle step transition, the rear end part of described the second collector is welded on the collector dielectric material between the first collector and the second collector,
The described the 3rd collects very tubular cavity, described the 3rd collector comprises the fore-end of the 3rd collector and the rear end part of the 3rd collector, the fore-end of described the 3rd collector stretches in the cylindric cavity of the second collector, the axial end shaft core position of the fore-end of described the 3rd collector is provided with the passway that supplied for electronic bundle passes through, described passage bore is slightly larger than the passway of the second collector, the bore of the rear end part of described the 3rd collector is greater than the bore of the fore-end of the 3rd collector, the part that the fore-end of described the 3rd collector is connected with the rear end part of the 3rd collector is right angle step transition, the rear end part of described the 3rd collector is welded on the collector dielectric material between the second collector and the 3rd collector,
The described the 4th collects very tubular cavity, described the 4th collector comprises the fore-end of the 4th collector and the rear end part of the 4th collector, the fore-end of described the 4th collector stretches in the cylindric cavity of the 3rd collector, the axial end shaft core position of the fore-end of described the 4th collector is provided with the passway that supplied for electronic bundle passes through, described passage bore is slightly larger than the passway of the 3rd collector, the bore of the rear end part of described the 4th collector is greater than the bore of the fore-end of the 4th collector, the part that the fore-end of described the 4th collector is connected with the rear end part of the 4th collector is right angle step transition, the rear end part of described the 4th collector is Closed End, the rear end part of described the 4th collector is welded on the collector dielectric material between the 3rd collector and the 4th collector.
Described traveling-wave tube collector, described shell, the first collector, the second collector, the 3rd collector and the 4th collector are made by oxygen-free copper.
Described traveling-wave tube collector, its first collector, the second collector, the 3rd collector and the 4th collector plated surface platinum.
Described traveling-wave tube collector, described collector dielectric material is beryllium oxide ceramics.
Collector described in employing technical solutions of the utility model, when 2.47GHz, gross efficiency can reach 64.65%, if consider, other factors (skin benefit etc. becomes) retain certain surplus, and using power output * 0.85 as real output, gross efficiency can reach 61.75%; When 2.49GHz, gross efficiency can reach 65.4%, if consider, other factors (skin benefit etc. becomes) retain certain surplus, and using power output * 0.85 as real output, gross efficiency can reach 62.47%; When 2.51GHz, gross efficiency can reach 64.25%, if consider, other factors (skin benefit etc. becomes) retain certain surplus, and using power output * 0.85 as real output, gross efficiency can reach 61.36%, requirement that can meeting spatial travelling wave tube.
Accompanying drawing explanation
Fig. 1 traveling-wave tube collector structural representation;
Fig. 2 traveling-wave tube collector result of calculation schematic diagram;
In Fig. 1, 1, shell, 2, TWT slow wave structure, 3, the first collector, 4, the second collector, 5, the 3rd collector, 6, the 4th collector, 7, collector stem, 8, insulator, 9, collector lead-in wire, 10, collector dielectric material, 11, the passway of the first collector, 12, the fore-end of the second collector, 13, the rear end part of the second collector, 14, the fore-end of the 3rd collector, 15, the rear end part of the 3rd collector, 16, the fore-end of the 4th collector, 17, the rear end part of the 4th collector, 18, the passway of the second collector, 19, the passway of the 3rd collector, 20, the passway of the 4th collector.
Specific embodiment
A traveling-wave tube collector, comprises all first collector 3, second collector 4, three collector 5, four collectors 6 coaxial with the central axis of mutual effect electron beam of the shell 1, collector stem 7 of tubular and four, described collector stem 7 comprises collector lead-in wire 9 and insulator 8, described collector stem 7 is arranged on the end face of shell 1, the multistage step-down successively of described collector is for collecting the electron beam after travelling wave tube mutual effect, the position of described the first collector 3 is near TWT slow wave structure 2, after following the first collector 3 closely, set gradually the second collector 4, the 3rd collector 5 and the 4th collector 6, described four collectors are arranged in shell 1, between between described collector across collector dielectric material 10, described collector dielectric material 10 is welded on shell 1, in described part collector dielectric material 10, leave for collecting lead-in wire 9 passages that pass through,
The tubular cavity that described the first collector 3 is hollow, described the first collector 3 is provided with near the axial end shaft core position of TWT slow wave structure 2 passway 11 of passing through for electron beam after mutual effect, described passage bore is less than electron beam bore after mutual effect, described the second collector 4 is tubular cavity, described the second collector 4 comprises the fore-end 12 of the second collector and the rear end part 13 of the second collector, the fore-end 12 of described the second collector stretches in the cylindric cavity of the first collector, the axial end shaft core position of the fore-end 12 of described the second collector is provided with the passway 18 that supplied for electronic bundle passes through, the bore of the rear end part 13 of described the second collector is greater than the bore of the fore-end 12 of the second collector, the part that the fore-end 12 of described the second collector is connected with the rear end part 13 of the second collector is right angle step transition, the rear end part 13 of described the second collector is welded on the collector dielectric material 10 between the first collector 3 and the second collector 4,
Described the 3rd collector 5 is tubular cavity, described the 3rd collector 5 comprises the fore-end 14 of the 3rd collector and the rear end part 15 of the 3rd collector, the fore-end 14 of described the 3rd collector stretches in the cylindric cavity of the second collector, the axial end shaft core position of the fore-end 14 of described the 3rd collector is provided with the passway 19 that supplied for electronic bundle passes through, described passage bore is slightly larger than the passway 18 of the second collector, the bore of the rear end part 15 of described the 3rd collector is greater than the bore of the fore-end 14 of the 3rd collector, the part that the fore-end 14 of described the 3rd collector is connected with the rear end part 15 of the 3rd collector is right angle step transition, the rear end part 15 of described the 3rd collector is welded on the collector dielectric material 10 between the second collector 4 and the 3rd collector 5,
Described the 4th collector 6 is tubular cavity, described the 4th collector 6 comprises the fore-end 16 of the 4th collector and the rear end part 17 of the 4th collector, the fore-end 16 of described the 4th collector stretches in the cylindric cavity of the 3rd collector 5, the axial end shaft core position of the fore-end 16 of described the 4th collector is provided with the passway 20 that supplied for electronic bundle passes through, described passage bore is slightly larger than the passway 19 of the 3rd collector 5, the bore of the rear end part 17 of described the 4th collector is greater than the bore of the fore-end 16 of the 4th collector, the part that the fore-end 16 of described the 4th collector is connected with the rear end part 17 of the 4th collector is right angle step transition, the rear end part 17 of described the 4th collector is Closed End, the rear end part 17 of described the 4th collector is welded on the collector dielectric material 10 between the 3rd collector 5 and the 4th collector 6.
Claims (4)
1. a traveling-wave tube collector, comprises all first collector, second collector, three collector, four collectors coaxial with the central axis of mutual effect electron beam of the shell, collector stem of tubular and four, described collector stem comprises collector lead-in wire and insulator, described collector stem is arranged on the end face of shell, the multistage step-down successively of described collector is for collecting the electron beam after travelling wave tube mutual effect, the position of described the first collector is near TWT slow wave structure, after following the first collector closely, set gradually the second collector, the 3rd collector and the 4th collector, described four collector settings in the enclosure, between between described collector across collector dielectric material, described collector dielectric material is welded on shell, in described part collector dielectric material, leave the passage passing through for collecting lead-in wire,
It is characterized in that, described first collects the very tubular cavity of hollow, described the first collector is provided with near the axial end shaft core position of TWT slow wave structure the passway of passing through for electron beam after mutual effect, described passage bore is less than electron beam bore after mutual effect, described second collects very tubular cavity, described the second collector comprises the fore-end of the second collector and the rear end part of the second collector, the fore-end of described the second collector stretches in the cylindric cavity of the first collector, the axial end shaft core position of the fore-end of described the second collector is provided with the passway that supplied for electronic bundle passes through, the bore of the rear end part of described the second collector is greater than the bore of the fore-end of the second collector, the part that the fore-end of described the second collector is connected with the rear end part of the second collector is right angle step transition, the rear end part of described the second collector is welded on the collector dielectric material between the first collector and the second collector,
The described the 3rd collects very tubular cavity, described the 3rd collector comprises the fore-end of the 3rd collector and the rear end part of the 3rd collector, the fore-end of described the 3rd collector stretches in the cylindric cavity of the second collector, the axial end shaft core position of the fore-end of described the 3rd collector is provided with the passway that supplied for electronic bundle passes through, described passage bore is slightly larger than the passway of the second collector, the bore of the rear end part of described the 3rd collector is greater than the bore of the fore-end of the 3rd collector, the part that the fore-end of described the 3rd collector is connected with the rear end part of the 3rd collector is right angle step transition, the rear end part of described the 3rd collector is welded on the collector dielectric material between the second collector and the 3rd collector,
The described the 4th collects very tubular cavity, described the 4th collector comprises the fore-end of the 4th collector and the rear end part of the 4th collector, the fore-end of described the 4th collector stretches in the cylindric cavity of the 3rd collector, the axial end shaft core position of the fore-end of described the 4th collector is provided with the passway that supplied for electronic bundle passes through, described passage bore is slightly larger than the passway of the 3rd collector, the bore of the rear end part of described the 4th collector is greater than the bore of the fore-end of the 4th collector, the part that the fore-end of described the 4th collector is connected with the rear end part of the 4th collector is right angle step transition, the rear end part of described the 4th collector is Closed End, described the 4th collector is welded on the collector dielectric material between the 3rd collector and the 4th collector.
2. traveling-wave tube collector as claimed in claim 1, is characterized in that, described shell, the first collector, the second collector, the 3rd collector and the 4th collector are made by oxygen-free copper.
3. traveling-wave tube collector as claimed in claim 2, is characterized in that, described the first collector, the second collector, the 3rd collector and the 4th collector plated surface platinum.
4. traveling-wave tube collector as claimed in claim 3, is characterized in that, described collector dielectric material is beryllium oxide ceramics.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320583268.3U CN203491210U (en) | 2013-09-22 | 2013-09-22 | Travelling wave tube collector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320583268.3U CN203491210U (en) | 2013-09-22 | 2013-09-22 | Travelling wave tube collector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203491210U true CN203491210U (en) | 2014-03-19 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320583268.3U Withdrawn - After Issue CN203491210U (en) | 2013-09-22 | 2013-09-22 | Travelling wave tube collector |
Country Status (1)
| Country | Link |
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| CN (1) | CN203491210U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103441054A (en) * | 2013-09-22 | 2013-12-11 | 成都国光电气股份有限公司 | Traveling wave tube collector |
| CN105762048A (en) * | 2016-04-06 | 2016-07-13 | 中国电子科技集团公司第十二研究所 | Internal collector, collector comprising internal collector, and traveling wave tube comprising collector |
| CN106298404A (en) * | 2016-08-22 | 2017-01-04 | 电子科技大学 | A kind of choosing method of collecting pole structure parameter |
-
2013
- 2013-09-22 CN CN201320583268.3U patent/CN203491210U/en not_active Withdrawn - After Issue
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103441054A (en) * | 2013-09-22 | 2013-12-11 | 成都国光电气股份有限公司 | Traveling wave tube collector |
| CN103441054B (en) * | 2013-09-22 | 2016-06-08 | 成都国光电气股份有限公司 | A kind of traveling-wave tube collector |
| CN105762048A (en) * | 2016-04-06 | 2016-07-13 | 中国电子科技集团公司第十二研究所 | Internal collector, collector comprising internal collector, and traveling wave tube comprising collector |
| CN106298404A (en) * | 2016-08-22 | 2017-01-04 | 电子科技大学 | A kind of choosing method of collecting pole structure parameter |
| CN106298404B (en) * | 2016-08-22 | 2018-02-13 | 电子科技大学 | A kind of choosing method of collecting pole structure parameter |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20140319 Effective date of abandoning: 20160608 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20140319 Effective date of abandoning: 20160608 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |