CN103681176B - The outer tuner of Sheet beam klystron - Google Patents
The outer tuner of Sheet beam klystron Download PDFInfo
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- CN103681176B CN103681176B CN201310515982.3A CN201310515982A CN103681176B CN 103681176 B CN103681176 B CN 103681176B CN 201310515982 A CN201310515982 A CN 201310515982A CN 103681176 B CN103681176 B CN 103681176B
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- lever bracket
- resonator
- sheet beam
- beam klystron
- trapezoidal lever
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Abstract
The invention provides tuner outside a kind of Sheet beam klystron.The outer tuner of the Sheet beam klystron includes：Accommodating cavity, tuning block, trapezoidal lever bracket and control assembly, it uses inductance tuning manner, and tuning plunger insertion Sheet beam klystron body constitutes a cavity wall of resonator；The movement of tuning plunger is controlled by lever principle, the volume and distributed inductance of resonator is changed, and then change the resonant frequency of resonator.The present invention does not use bellows, but realizes the tuning of resonator using deformable seal diaphragm, so as to reduce cost, simplifies structure.
Description
Technical field
The present invention relates to tune dress outside microwave vacuum technical field of electronic devices, more particularly to a kind of Sheet beam klystron
Put.
Background technology
In klystron, the structure snd size of resonator determine the characteristics such as its resonant frequency and quality factor, and then certainly
The working characteristics of klystron is determined.During the tubulation of klystron, be present deviation in resonant cavity size and design load, and then cause
The frequency characteristic of resonator changes.Klystron cavity tunable technology compensate for the size that tubulation process is brought to a certain extent
Error.
The tunable technology of resonator is divided into capacitance tuning, inductance tuning and compound three kinds of tuning.Inductance tuning is by moving
The inductance tuning block of dynamic resonance intracavitary, changes the volume of resonator, changes the distributed inductance of resonator, so as to change resonator
Frequency.This mode is suitable for rectangular cavity.The resonator of Sheet beam klystron is generally rectangular cross-section, is generally adjusted using inductance
It is humorous.
In the prior art, klystron is using vacuum in bellows isolated tube and manages the investigation mission outside the city or town on the outside of outer air, bellows
Humorous mechanism tunes block by connecting rod and the inductance on the inside of bellows and is connected.The outer mechanical tuning device realizes inductance using spring and screw
Block is tuned to repeat to move in the round of both direction, and bellows extends or shortened therewith, so as to realize the tuning of resonator.
As microwave vacuum electronic device develops towards high-frequency and miniaturization, it is desirable to which the size of bellows is increasingly
It is small, but small size bellows development cost is expensive and there is certain difficulty, and the spring development of requirement is met in the presence of tired
It is difficult.
The content of the invention
(1) technical problem to be solved
In view of above-mentioned technical problem, the invention provides tune dress outside a kind of low cost, the Sheet beam klystron of small size
Put.
(2) technical scheme
According to an aspect of the invention, there is provided a kind of outer tuner of Sheet beam klystron.The Sheet beam klystron
Outer tuner includes：Accommodating cavity, tuning block, trapezoidal lever bracket and control assembly.Wherein, accommodating cavity, is opened in ribbon beam
The side of prionotron resonator.Tuning block includes：Deformable seal diaphragm, its surrounding is sealed in accommodating cavity bottom, resonator
Top；Transition is followed closely, and is fixed on side of the deformable seal diaphragm away from resonator；Tuning plunger, is fixed on deformable seal
Diaphragm is stretched into resonator close to the side of resonator, constitutes a cavity wall of resonator.Trapezoidal lever bracket, its short end is consolidated
Due to transition nail, its long end upwardly extends and stretches out outside accommodating cavity, the junction of long end and short end by pivotal axis rotatably
The positioning hole being fixed on accommodating cavity antetheca and rear wall.Control assembly, for controlling trapezoidal lever bracket length end to move left and right.Its
In, control assembly controls trapezoidal lever bracket length end to move left and right, and trapezoidal lever bracket short end is moved up and down therewith, is followed closely and drawn by transition
Tuning plunger below dynamic deformable seal diaphragm is moved up and down, so as to realize the tuning of resonator.
(3) beneficial effect
It can be seen from the above technical proposal that the outer tuner of inventive tape beam klystron has the advantages that：
(1) bellows is not used, but the tuning of resonator is realized using deformable seal diaphragm；
Deformable seal diaphragm can produce certain deformation, when transition nail stretching seal membrane, drive tuning plunger
It is mobile, realize the change of cavity frequency；Sealing can be also realized using bellows and is adjusted, but small size bellows expense is high
It is expensive.The program eliminates the development cost of a large amount of small size bellowss, every about 8000 yuan of 5mm bellows, and the expense of diaphragm
It can ignore relative to bellows.
(2) simple in construction, small volume is lightweight.
The outer tuning mechanism structure of conventional tune mechanism is complicated, and there was only U-shaped fixed mount and trapezoidal lever bracket in the present apparatus,
The equilbrium position that screw locks trapezoidal lever bracket is promoted using two, structure is simpler.Device is not only simple in structure, and performance can
Lean on, also eliminate the development of small size spring.In addition, the device quality is less than 0.2kg, only increase the transverse width of klystron
13mm.The positive high-frequency of current microwave vacuum electronic device and compact direction are developed, and the device volume is small, light weight, full
The foot growth requirement of microwave vacuum electronic device.
Brief description of the drawings
Figure 1A is the structural representation according to tuner outside Sheet beam klystron of the embodiment of the present invention；
Figure 1B is the sectional view that the outer tuner of Sheet beam klystron shown in Figure 1A is installed on resonator；
Fig. 2 is the structural representation of tuning block in the outer tuner of Sheet beam klystron shown in Figure 1A.
Fig. 3 is the schematic diagram of trapezoidal lever bracket regulation ratio in the outer tuner of Sheet beam klystron shown in Figure 1A.
【Main element symbol description of the present invention】
10- accommodating cavities；
21- deformable seal diaphragms；22- transition is followed closely；
23- tuning plungers；
The trapezoidal lever brackets of 30-；
34- locking nuts；
The inverted U-shaped fixed mounts of 41-；42nd, 43- promotes screw；
50- ribbon beam prionotrons.
Embodiment
For the object, technical solutions and advantages of the present invention are more clearly understood, below in conjunction with specific embodiment, and reference
Accompanying drawing, the present invention is described in more detail.It should be noted that in accompanying drawing or specification description, similar or identical portion
Divide and all use identical figure number.The implementation for not illustrating or describing in accompanying drawing, is those of ordinary skill in art
Known form.In addition, though the demonstration of the parameter comprising particular value can be provided herein, it is to be understood that parameter is without definite etc.
In corresponding value, but corresponding value can be similar in acceptable error margin or design constraint.Mentioned in embodiment
Direction term, is only the direction of refer to the attached drawing such as " on ", " under ", "front", "rear", "left", "right".Therefore, the side used
Protection scope of the present invention is intended to be illustrative and not intended to limit to term.
The present invention uses inductance tuning manner, and tuning plunger insertion Sheet beam klystron body constitutes the one of resonator
Individual cavity wall；The movement of tuning plunger is controlled by lever principle, the volume and distributed inductance of resonator is changed, and then change
The resonant frequency of resonator.
There is provided tuner outside a kind of Sheet beam klystron in one exemplary embodiment of the present invention.Figure 1A is
The structural representation of the outer tuner of Sheet beam klystron according to embodiments of the present invention；Figure 1B is Sheet beam klystron shown in Figure 1A
Outer tuner is installed on the sectional view on resonator.
Figure 1A and Figure 1B are refer to, the outer tuner of the present embodiment Sheet beam klystron includes：Accommodating cavity 10, tuning group
Part, trapezoidal lever bracket 30 and control device.Wherein, accommodating cavity 10, are opened in the side of the resonator of ribbon beam prionotron 50.Tuning
Component includes：Deformable seal diaphragm 21, in accommodating cavity 10, its surrounding is brazed in accommodating cavity bottom；Transition nail 22, it is fixed
In the side of the deformable seal diaphragm 21 away from resonator；Tuning plunger 23, is fixed on the deformable seal diaphragm 21
Close to the side of resonator, and stretch into resonator, constitute a cavity wall of resonator.Trapezoidal lever bracket 30, L-shaped or reverse L
Shape, its short end is fixed on the transition nail 22, and its long end upwardly extends and stretched out outside the accommodating cavity 10, the company of long end and short end
The place of connecing is rotationally fixed to the positioning hole on the antetheca of accommodating cavity 10 and rear wall by pivotal axis.Control assembly, for passing through two
The mode that side promotes screw 42 to promote respectively controls moving left and right for the long end of trapezoidal lever bracket 30；Wherein, the control assembly control
The long end for making trapezoidal lever bracket 30 is moved left and right, and the trapezoidal lever bracket short end is moved up and down therewith, is pulled by transition nail 22
The tuning plunger 23 of the lower section of deformable seal diaphragm 21 is moved up and down, so as to realize the tuning of resonator.
In the outer tuner of the present embodiment Sheet beam klystron, without using bellows, a large amount of small size bellowss are eliminated
Development cost, reduce cost.In addition, the outer tuner uses diaphragm seal and lever Principles of Regulation, and it is simple in construction, it is real
The compact of tuning block is showed.
Each part of tuner outside the present embodiment Sheet beam klystron is described in detail individually below.
Fig. 2 is the structural representation of tuning block in the outer tuner of Sheet beam klystron shown in Figure 1A.It refer to Fig. 2,
The size of deformable seal diaphragm 21 is 14mm × 7mm × 0.22mm, and transition nail 22 and tuning plunger 23 pass through high temperature pricker respectively
Solid welding is above and below deformable seal diaphragm 21.Bonding area is 3mm × 1mm, and deformable seal diaphragm 21 is with holding
The welded seal width for putting the bottom wall of chamber 10 is not less than 1mm.
In the present embodiment, the material of deformable seal diaphragm 21 is Ni-Cu alloys.The material of transition nail is Monel.
In high temperature brazing technique, the goldleaf or silver foil solder for using 0.02mm thick.Tuning plunger as resonator a cavity wall,
Should have good conduction and thermal conduction characteristic, material is oxygen-free copper.
During transition nail 22 pulls deformable seal diaphragm 21, deformable seal diaphragm 21 occurs a certain degree of
Deformation is, it is necessary to explanation, and the degree of the deformation is difficult excessive, and generally, the distance that the deformation is moved up and down should be controlled
System is within -0.1mm~0.1mm.
Figure 1A and Figure 1B are refer to, control assembly controls trapezoidal lever bracket 30 to grow by way of both sides screw is promoted respectively
That holds moves left and right.The control assembly includes：The lower end of inverted U-shaped fixed mount 41, its left arm and right arm is individually fixed in accommodating cavity
On the Sheet beam klystron 50 of 10 both sides, the screwed hole through the left arm and right arm is formed in the horizontal direction；Two promote screw
42nd, 43, extend through and be bolted in the screwed hole of inverted U-shaped fixed mount left arm and right arm, the long end end of the trapezoidal lever bracket 30
Hold and extrude the part being fixed in the middle of the left arm and right arm by two propulsion screws 42,43, its operation order is as follows：Left side is promoted
After screw 42 is screwed out to the left, right side promotes screw 43 to promote the long end of trapezoidal lever bracket 30 to the left to equilbrium position, and left side promotes spiral shell
Nail 42 extrudes and fixes to the right trapezoidal lever bracket 30.
In the present embodiment, screw is promoted to lock by two be located at respectively on the inverted U-shaped left arm of fixed mount 41 and right arm
With the position at the long end for adjusting trapezoidal lever bracket 30, lock and adjust compared to single screw, its reliability and precision are all higher.
It should be noted that, although the present embodiment control assembly controls trapezoidal lever bracket by the way of both sides are promoted respectively
30 long ends are moved left and right, but the present invention is not limited thereto, and the control assembly can also be using the side drawn or push-and-pull is combined
Formula controls moving left and right for the long end of trapezoidal lever bracket 30, and it is easier to realize to those skilled in the art, no longer goes to live in the household of one's in-laws on getting married herein
State.
Figure 1A and Figure 1B are refer to, trapezoidal lever bracket 30 is in backward L-shaped, and its long end is approximate 90 ° with short end angulation.
The material of inverted U-shaped fixed mount 41 and trapezoidal lever bracket 30 is brass.Further, it is also possible to be fallen using the processing of non-magnetic rustproof Steel material
U-shaped fixed mount 41 and trapezoidal lever bracket 30.
In the present embodiment, the long end of trapezoidal lever bracket and the junction of short end have through front and rear pivoting hole.Pivotal axis
For a stainless steel, it passes through pivoting hole, and two ends are rotationally fixed to the positioning hole on the antetheca of accommodating cavity 10 and rear wall, so that
Trapezoidal lever bracket 30 can be around the pivot axis.
In another embodiment of the present invention, the long end of trapezoidal lever bracket and the junction of short end extend forwards, backwards, shape
Into the pivotal axis, the two ends of the pivotal axis are equally rotationally fixed to the positioning hole on the antetheca of accommodating cavity 10 and rear wall, from
And can equally realize trapezoidal lever bracket 30 and can no longer be repeated herein around the pivot axis.
The short end of trapezoidal lever bracket 30 is fixed on the transition nail 22 of the top of deformable seal diaphragm 21 by locking nut 34
On.Wherein, the material of locking nut 34 is magnetism-free stainless steel.
Fig. 3 is the schematic diagram of trapezoidal lever bracket regulation ratio in the outer tuner of Sheet beam klystron shown in Figure 1A.It please join
According to Fig. 3, ds1 is direction of propulsion (or opposite direction), and ds2 is driven direction (or opposite direction), wherein regulation ratio ds1/ds2 ≈
S1/S2, wherein, S1 is the length at trapezoidal lever bracket length end, and S2 is the length of trapezoidal lever bracket short end.It therefore, it can by control
S1 and S2 processed size realize different regulation ratios.Generally, S1/S2 value is between 5 to 10.
For example, the pitch for promoting screw is 0.35mm, corresponding advance distance ds when propulsion screw rotates 30 °1=
0.35mm × 30/360=0.029mm；If choosing S1/S2=5:1, then ds2About 0.006mm, it is seen that degree of regulation is up to micron
Magnitude.
In another embodiment of the present invention, it is higher to realize that the screw for using pitch to be 0.2mm makees propulsion screw
Degree of regulation, it is easier to realize to those skilled in the art, and here is omitted.Also, those skilled in the art can be with
The pitch for promoting screw is rationally set, and to realize different degrees of regulation, generally the pitch of the propulsion screw is less than
0.35mm。
The application method of the outer tuner of the present embodiment Sheet beam klystron introduced below：Pass through inverted U-shaped 41 liang of fixed mount
The propulsion screw of side drives trapezoidal lever bracket 30 to be rotated around o point locations hole, is pulled up or pushes transition nail, and then drive tune
Humorous piston movement, so as to realize the tuning of resonator.
So far, the present embodiment is described in detail combined accompanying drawing.According to above description, those skilled in the art
There should be clear understanding to tuner outside inventive tape beam klystron.
In addition, the above-mentioned definition to each element and method be not limited in mentioning in embodiment various concrete structures,
Shape or mode, one of ordinary skill in the art can carry out replacing with simply knowing to it, for example：
(1), can be using multiple outer tuning dresses of the invention for the Sheet beam klystron comprising multiple resonators
Put, do not interfere with each other to realize the independent regulation of cavity frequency.
In summary, dress is tuned outside the Sheet beam klystron with diaphragm seal the invention provides a kind of adjusted based on lever
Put.Tune that device volume is small outside the Sheet beam klystron, cost is low, light weight, simple in construction, and regulation ratio can be as needed
It is adjusted, influence will not be brought to magnetic field, Sheet beam klystron or ribbon beam distribution klystron field in small size
Have broad application prospects.
Particular embodiments described above, has been carried out further in detail to the purpose of the present invention, technical scheme and beneficial effect
Describe in detail it is bright, should be understood that the foregoing is only the present invention specific embodiment, be not intended to limit the invention, it is all
Within the spirit and principles in the present invention, any modification, equivalent substitution and improvements done etc., should be included in the guarantor of the present invention
Within the scope of shield.
Claims (10)
1. a kind of outer tuner of Sheet beam klystron, it is characterised in that including：
Accommodating cavity, is opened in the side of ribbon beam prionotron resonator；
Tuning block, including：
Deformable seal diaphragm, its surrounding is sealed in the accommodating cavity bottom, the top of resonator；
Transition is followed closely, and is fixed on the side of the deformable seal diaphragm away from resonator；
Tuning plunger, is fixed on the deformable seal diaphragm close to the side of resonator, and stretches into the resonator, constitutes
One cavity wall of resonator；
Trapezoidal lever bracket, its short end is fixed on the transition nail, and its long end upwardly extends and stretched out outside the accommodating cavity, the length
End and the junction of short end are rotationally fixed to the positioning hole on accommodating cavity antetheca and rear wall by pivotal axis；
Control assembly, for controlling the trapezoidal lever bracket length end to move left and right；
Wherein, the control assembly controls trapezoidal lever bracket length end to move left and right, the trapezoidal lever bracket short end therewith on move down
It is dynamic, followed closely by transition and pull the tuning plunger below deformable seal diaphragm to move up and down, so as to realize the tuning of resonator.
2. the outer tuner of Sheet beam klystron according to claim 1, it is characterised in that the deformable seal diaphragm
Material be Ni-Cu alloys, its welded seal is in the accommodating cavity bottom.
3. the outer tuner of Sheet beam klystron according to claim 1, it is characterised in that the deformable seal diaphragm
The distance of deformation is moved up and down within the scope of -0.1mm~0.1mm.
4. the outer tuner of Sheet beam klystron according to claim 1, it is characterised in that the trapezoidal lever bracket is in L
Shape or backward L-shaped.
5. the outer tuner of Sheet beam klystron according to claim 1, it is characterised in that in the trapezoidal lever bracket,
S1/S2 value between 5 to 10, wherein, S1 be the trapezoidal lever bracket length end length, S2 be the trapezoidal lever bracket
The length of short end.
6. the outer tuner of Sheet beam klystron according to claim 1, it is characterised in that the control assembly is used
Push away, draw or push-and-pull with reference to mode control moving left and right for the trapezoidal lever bracket length end.
7. the outer tuner of Sheet beam klystron according to claim 6, it is characterised in that the control assembly is used and pushed away
Mode control moving left and right for the trapezoidal lever bracket length end, including：
The lower end of inverted U-shaped fixed mount, its left arm and right arm is individually fixed on the Sheet beam klystron of accommodating cavity both sides, along level
Direction forms the screwed hole through the left arm and right arm；
Two promote screw, extend through and be bolted in the screwed hole of inverted U-shaped fixed mount left arm and right arm, the trapezoidal lever bracket
The part in the inverted U-shaped fixed mount in the middle of left arm and right arm is fixed in long end end by two propulsion screws extruding.
8. the outer tuner of Sheet beam klystron according to claim 7, it is characterised in that the pitch of the propulsion screw
Less than 0.35mm.
9. the outer tuner of Sheet beam klystron according to claim 1, it is characterised in that the length of the trapezoidal lever bracket
End and the junction of short end, which have, runs through front and rear pivoting hole；
The pivotal axis be a rod axis, its pass through the pivoting hole, two ends be rotationally fixed to the accommodating cavity antetheca and
Positioning hole on rear wall.
10. the outer tuner of Sheet beam klystron according to any one of claim 1 to 9, it is characterised in that the mistake
The material for crossing nail is Monel, and the material of the tuning plunger is the material of oxygen-free copper, the control assembly and trapezoidal lever bracket
It is brass.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310515982.3A CN103681176B (en) | 2013-10-28 | 2013-10-28 | The outer tuner of Sheet beam klystron |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310515982.3A CN103681176B (en) | 2013-10-28 | 2013-10-28 | The outer tuner of Sheet beam klystron |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103681176A CN103681176A (en) | 2014-03-26 |
| CN103681176B true CN103681176B (en) | 2017-07-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310515982.3A Expired - Fee Related CN103681176B (en) | 2013-10-28 | 2013-10-28 | The outer tuner of Sheet beam klystron |
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Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104062499B (en) * | 2014-06-30 | 2016-08-24 | 中国科学院电子学研究所 | Small size Sheet beam klystron middle resonant cavity is carried out the apparatus and method of cold survey |
| CN106001893A (en) * | 2016-06-23 | 2016-10-12 | 中国科学院电子学研究所 | Tuning assembly, manufacturing method thereof and high-frequency assembly |
| CN106711001B (en) * | 2016-11-18 | 2018-04-06 | 广东威特真空电子制造有限公司 | A kind of magnetron frequency modulation device |
| CN107770942A (en) * | 2017-11-21 | 2018-03-06 | 中国原子能科学研究院 | A kind of tunable accelerating cavity and its tuning instrument |
| CN109119309B (en) * | 2018-08-10 | 2020-02-21 | 安徽华东光电技术研究所有限公司 | Terahertz wave band klystron tuning system |
| CN110706991A (en) * | 2019-10-09 | 2020-01-17 | 中国电子科技集团公司第十二研究所 | External tuning mechanism suitable for mechanical tuning type magnetron |
| CN113628945B (en) * | 2021-08-06 | 2024-03-26 | 中国科学院空天信息创新研究院 | High-frequency structure of band-shaped beam klystron and method for testing and adjusting characteristic parameters of resonant cavity of high-frequency structure |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5422541A (en) * | 1992-04-20 | 1995-06-06 | Nec Corporation | Klystron tuning mechanism having means for changing the pitch of an internal threaded portion |
| CN201820735U (en) * | 2010-07-28 | 2011-05-04 | 南京三乐电子信息产业集团有限公司 | Waveguide instrument for traveling-wave tube |
| CN203134747U (en) * | 2013-02-27 | 2013-08-14 | 中国电子科技集团公司第十二研究所 | Adjustable filter loading double gap coupling broadband output apparatus |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0661710A (en) * | 1992-04-01 | 1994-03-04 | Nec Corp | Tuning mechanism for multi-cavity klystron |
-
2013
- 2013-10-28 CN CN201310515982.3A patent/CN103681176B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5422541A (en) * | 1992-04-20 | 1995-06-06 | Nec Corporation | Klystron tuning mechanism having means for changing the pitch of an internal threaded portion |
| CN201820735U (en) * | 2010-07-28 | 2011-05-04 | 南京三乐电子信息产业集团有限公司 | Waveguide instrument for traveling-wave tube |
| CN203134747U (en) * | 2013-02-27 | 2013-08-14 | 中国电子科技集团公司第十二研究所 | Adjustable filter loading double gap coupling broadband output apparatus |
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| CN103681176A (en) | 2014-03-26 |
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Granted publication date: 20170728 Termination date: 20191028 |