CN207743190U - A kind of Ku waveband space travelling wave tubes collector - Google Patents
A kind of Ku waveband space travelling wave tubes collector Download PDFInfo
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- CN207743190U CN207743190U CN201721751663.2U CN201721751663U CN207743190U CN 207743190 U CN207743190 U CN 207743190U CN 201721751663 U CN201721751663 U CN 201721751663U CN 207743190 U CN207743190 U CN 207743190U
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- collector
- core assembly
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- beryllium oxide
- wave tubes
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Abstract
The utility model discloses a kind of Ku waveband space travelling wave tubes collectors, it includes collector shell (6), two sides are equipped with the beryllium oxide porcelain knob (5) of vertical groove in collector shell (6), first collector core assembly (1) of the fixing card in (5) two side groove of beryllium oxide porcelain knob, second collector core assembly (2), third collector core assembly (3) and the 4th collector core assembly (4), the first collector core assembly (1), second collector core assembly (2), third collector core assembly (3) and the 4th collector core assembly (4) are connected with lead.The Ku waveband space travelling wave tube collectors of the utility model, it is reasonable in design, using level Four buck configuration, efficiency of MDC can be improved, efficiency of MDC is up to 71.45%, it can be achieved that higher organic efficiency, reliability is high, perfect heat-dissipating is assemblied on Ku wave band 1000W pulse interval travelling-wave tubes, and homogeneous tube efficiency can reach 56% or more.
Description
Technical field
The utility model is related to a kind of collectors of travelling-wave tubes, specifically design a kind of multilevel decompression, highly reliable, efficient
Ku waveband space travelling wave tube collectors.
Background technology
.Wolkstein in 1958 makes the level that TWT efficiency has reached 30% using single-stage buck collector.Then
10 years in Sauseng and Preist reported that efficiency was more than 60% travelling-wave tubes and klystron respectively.In the two reports
The use of depressed collector is to improve the key factor of efficiency.1972, Neugebauer and Mihran were received using 10 grades of decompressions
The efficiency of klystron is never used the 54% of decompression measure to be increased to 70.9% by collector.At year ends 1998, Hughes Electronics one
Typical C-band TWT8560H, efficiency is only 60%, by improve electronics after interaction note distribution function recyclable characteristic and
It is designed using another existing collector, 85 100HTWT efficiency of C-band improves 5% than previous design.With efficient
Rate, high linearity travelling-wave tubes demand are increasingly urgent to, demand high efficiency, the low multi-level depressurization collector that backflows.
Invention content
Goal of the invention：The purpose of this utility model is to overcome the deficiencies in the prior art, provide a kind of structure design conjunction
Reason, reliability is high, especially efficient, is suitable for the multi-level depressurization collector of Ku waveband space travelling wave tubes.
Technical solution：In order to achieve the goal above, the technical solution that the utility model is taken is：
A kind of Ku waveband space travelling wave tubes collector, it includes collector shell, and interval is uniformly mounted in collector shell
Beryllium oxide porcelain knob, the first collector core assembly being fixedly mounted on beryllium oxide porcelain knob, the second collector core assembly, third are collected
Pole piece component and the 4th collector core assembly, the first collector core assembly are connected with the first collector package lead, the
Two collector core assemblies are connected with the second collector core assembly lead, and third collector core assembly draws with third collector core assembly
Line is connected, and the 4th collector core assembly is connected with the 4th collector package lead；
First collector package lead, the second collector core assembly lead and the 4th collector package lead is logical
The centre for crossing two adjacent beryllium oxide porcelain knobs is pierced by, and third collector core assembly lead is pierced by by collector shell central shaft；
Two side of beryllium oxide porcelain knob is equipped with vertical groove；The first collector core assembly, the second collector
Core assembly, third collector core assembly and the 4th collector core assembly under upper successively spacing card in two side of beryllium oxide porcelain knob
In groove, and fastened by collector shell.
Preferably, above-described Ku waveband space travelling wave tubes collector, beryllium oxide porcelain knob are 8.
Preferably, above-described Ku waveband space travelling wave tubes collector, the first collector core assembly,
The inner surface of second collector core assembly, third collector core assembly and the 4th collector core assembly includes one section by positive bevel
With the ripple struction of negative inclined-plane composition.Equipotential lines is at the collector pole piece module inlet of this structure first to electron impact direction
It is recessed, then to collector tail end protrusion, electronics, which enters after collector core assembly, first undergoes a disperse function, then undergoes a remittance
Poly- effect, for primary electron, electronics is easy to be collected by the lower electrode of potential, to which organic efficiency can be improved, for
For secondary electron, secondary electron is easy to be generated the electrode capture of the electronics, and the reflux ratio of collector reduces, the utility model
Using the level Four depressed collector core assembly of unsymmetric structure, apparent rollover effect is generated to electronics note movement locus, can be pressed down
Make secondary backflow.
Preferably, above-described Ku waveband space travelling wave tubes collector, can be the case where ensureing electronic efficiency
Under, Amplitude of Hypotensive and electric current distribution are also more reasonable, can promote collector organic efficiency.
The utility model uses beryllium oxide porcelain knob stationary positioned level Four depressed collector, is positioned instead of original multilayer porcelain knob
The assembly technology of collector electrode can be improved in such a way that whole root long beryllium oxide porcelain knob positions quadrupole collector electrode simultaneously
The assembly precision of collector, it is ensured that the precision of each collector core assembly spacing, while using a whole beryllium oxide porcelain knob
Also can accelerate between collector electrode, collector is conducted to external heat, to which the heat dissipation performance of collector can be improved.
Preferably, above-described Ku waveband space travelling wave tubes collector, the collector shell is by oxygen-free copper
Material is made, and has excellent heat dissipation performance.
Advantageous effect：Ku waveband space travelling wave tubes collector provided by the utility model compared with prior art collector,
It has the following advantages：
Ku waveband space travelling wave tubes collector described in the utility model, it is reasonable in design, using level Four buck configuration,
So that electron beam is repeatedly undergone the process of " slow down diverging --- absorbed ", efficiency of MDC, efficiency of MDC can be effectively improved
Up to 71.45%, and it can realize higher organic efficiency, and reliability is high, perfect heat-dissipating is assemblied in Ku wave bands 1000W
On pulse interval travelling-wave tubes, homogeneous tube efficiency can reach 56%.More than, it is highly practical.
Description of the drawings
Fig. 1 is the structural schematic diagram in Ku waveband space travelling wave tubes collector vertical section described in the utility model.
Fig. 2 is the structural schematic diagram of Ku waveband space travelling wave tubes collector cross section described in the utility model.
Specific implementation mode
With reference to specific embodiment, the utility model is furtherd elucidate, it should be understood that these embodiments are merely to illustrate this
Utility model rather than limitation the scope of the utility model, after having read the utility model, those skilled in the art couple
The modification of the various equivalent forms of the utility model falls within the application range as defined in the appended claims.
As depicted in figs. 1 and 2, a kind of Ku waveband space travelling wave tubes collector, it includes collector shell 6, is spaced uniformly peace
8 beryllium oxide porcelain knobs 5 in collector shell 6 are fixedly mounted on the first collector core assembly 1 on beryllium oxide porcelain knob 5,
Two collector core assemblies 2, third collector core assembly 3 and the 4th collector core assembly 4, the first collector core assembly 1
It is connected with the first collector package lead 7, the second collector core assembly 2 is connected with the second collector core assembly lead 8, and third is received
Collector core assembly 3 is connected with third collector core assembly lead 9, the 4th collector core assembly 4 and the 4th collector package lead
10 are connected；First collector package lead 7, the second collector core assembly lead 8 and the 4th collector package lead 10
It is pierced by by the centre of two adjacent beryllium oxide porcelain knobs 5, third collector core assembly lead 9 passes through 1 center of collector shell
Axis is pierced by；
5 two side of beryllium oxide porcelain knob is equipped with vertical groove；The first collector core assembly 1, second is collected
Pole piece component 2, third collector core assembly 3 and the 4th collector core assembly 4 under upper successively spacing card in beryllium oxide porcelain knob 5
In the groove of two sides, and fastened by collector shell 6.
Above-described Ku waveband space travelling wave tubes collector, the first collector core assembly 1, second collect pole piece
The inner surface of component 2, third collector core assembly 3 and the 4th collector core assembly 4 includes one section by positive bevel and negative inclined-plane
The ripple struction of composition.
Ku waveband space travelling wave tubes collector provided by the utility model uses the structure of level Four decompression, assembly and Ku waves
It is applied on section 1000W pulse interval travelling-wave tubes, for level Four depressed collector efficiency up to 65% or more, homogeneous tube efficiency reaches 56%,
Achieve good technique effect.
The above is only the preferred embodiment of the utility model, it is noted that for the common skill of the art
For art personnel, without departing from the principle of this utility model, several improvements and modifications can also be made, these improve and
Retouching also should be regarded as the scope of protection of the utility model.
Claims (3)
1. a kind of Ku waveband space travelling wave tubes collector, it is characterised in that：It includes collector shell (6), and interval is uniformly mounted on
Beryllium oxide porcelain knob (5) in collector shell (6), be fixedly mounted on the first collector core assembly (1) on beryllium oxide porcelain knob (5),
Second collector core assembly (2), third collector core assembly (3) and the 4th collector core assembly (4), first collector
Core assembly (1) is connected with the first collector package lead (7), and the second collector core assembly (2) draws with the second collector core assembly
Line (8) is connected, and third collector core assembly (3) is connected with third collector core assembly lead (9), the 4th collector core assembly
(4) it is connected with the 4th collector package lead (10)；The first collector package lead (7), the second collector core assembly
Lead (8) and the 4th collector package lead (10) are pierced by by the centre of two adjacent beryllium oxide porcelain knobs (5), and third is received
Collector core assembly lead (9) is pierced by by collector shell (6) central shaft；
(5) two side of beryllium oxide porcelain knob is equipped with vertical groove；The first collector core assembly (1), second are collected
Spacing card is aoxidizing successively under upper for pole piece component (2), third collector core assembly (3) and the 4th collector core assembly (4)
In the groove of (5) two side of beryllium porcelain knob, and fastened by collector shell (6).
2. Ku waveband space travelling wave tubes collector according to claim 1, it is characterised in that：Beryllium oxide porcelain knob (5) is 8
Root.
3. Ku waveband space travelling wave tubes collector according to claim 1 or 2, it is characterised in that：Described first is collected
Pole piece component (1), the second collector core assembly (2), third collector core assembly (3) and the 4th collector core assembly (4) it is interior
Surface includes one section of ripple struction being made of positive bevel and negative inclined-plane.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721751663.2U CN207743190U (en) | 2017-12-15 | 2017-12-15 | A kind of Ku waveband space travelling wave tubes collector |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721751663.2U CN207743190U (en) | 2017-12-15 | 2017-12-15 | A kind of Ku waveband space travelling wave tubes collector |
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| Publication Number | Publication Date |
|---|---|
| CN207743190U true CN207743190U (en) | 2018-08-17 |
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|---|---|---|---|
| CN201721751663.2U Active CN207743190U (en) | 2017-12-15 | 2017-12-15 | A kind of Ku waveband space travelling wave tubes collector |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111105966A (en) * | 2019-12-09 | 2020-05-05 | 南京三乐集团有限公司 | High-efficiency high-power pulse space traveling wave tube four-stage depressed collector structure |
-
2017
- 2017-12-15 CN CN201721751663.2U patent/CN207743190U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111105966A (en) * | 2019-12-09 | 2020-05-05 | 南京三乐集团有限公司 | High-efficiency high-power pulse space traveling wave tube four-stage depressed collector structure |
| CN111105966B (en) * | 2019-12-09 | 2022-07-01 | 南京三乐集团有限公司 | High-efficiency high-power pulse space traveling wave tube four-stage depressed collector structure |
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