CN208767251U - A kind of axially adjustable humorous relativistic magnetron - Google Patents
A kind of axially adjustable humorous relativistic magnetron Download PDFInfo
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- CN208767251U CN208767251U CN201821663299.9U CN201821663299U CN208767251U CN 208767251 U CN208767251 U CN 208767251U CN 201821663299 U CN201821663299 U CN 201821663299U CN 208767251 U CN208767251 U CN 208767251U
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- fan
- shaped waveguide
- anode block
- tuning
- axially adjustable
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Abstract
The utility model provides a kind of axially adjustable humorous relativistic magnetron, and the program takes full advantage of the inner space of magnetron, do not increase system lateral dimension, and be not take up magnet spaces, and the small light for improving system is horizontal.Simultaneously because do not change system radial dimension during tuning, and it is smaller to magnetron impedance influences, higher transfer efficiency can be kept in wider frequency range.Axially tuning relativistic magnetron can be advantageously applied among the adjustable High Power Microwave System of compact-sized frequency this kind.
Description
Technical field
The utility model relates to High-Power Microwave technical field, especially a kind of axially adjustable humorous the theory of relativity magnetic control
Pipe.
Background technique
High-Power Microwave (High Power Microwave, HPM) refers to that peak power is greater than 100MW, and frequency is between 1
Electromagnetic wave between GHz to 300 GHz.It is 1970's since with Pulse Power Techniques, relativistic electronics and
The new research field that the development of the subjects such as plasma physics gets up.High-power microwave source mainly utilizes phase
The device that high power microwave radiation is generated to opinion electron beam, is one of the critical component in High Power Microwave System.Many applications
Application requirements high-power microwave source improves the volume and weight of transfer efficiency, reduction system as far as possible.While in order to adapt to broadband
Application demand in range, it is tunable in relatively wide range that high-power microwave source also needs to have output microwave frequency
Ability.Therefore, small light tunable high-power microwave source becomes a big hot spot of high-power microwave source research field.
Relativistic magnetron (RM) is simple with structure, operation magnetic field is low, has high power and repetition pulse ability to work
The advantages that, it is one of small light high-power microwave source most with practical value.Meanwhile frequency-tunable is relativistic magnetron
Another big outstanding advantage, the tuning range of single tube can achieve 35%, this makes relativistic magnetron become tunable light and small
The first choice of type high-power microwave source.
RM tuning manner is realized using the radial dimension of method of slow-wave structure cavity is changed mostly at present, is had following
Disadvantage: (1) radiai adjustment structure increases system lateral dimension and may tie up magnet spaces, is unfavorable for system small light
Design；(2) to realize the radial dimension of synchronous precise of all resonant cavities adjust to the control accuracy requirement of mechanical adjusting structure compared with
Height, system are complex；(3) (such as diffraction exports radial tuning slow-wave structure with efficient RM axial direction export structure primarily now
Structure or full chamber export structure) higher beam wave transfer efficiency relatively difficult to achieve is combined, what it is which limits high-power microwave source is
System efficiency limits its small light level in turn.Some other fills tuning metallic rod or medium etc. in resonant cavity
For tuning manner due to tuning range is relatively narrow or power capacity limit etc., functionization value is not also high.Therefore it needs to propose
New tuning structure, output performance and the small light for improving tunable relativistic magnetron are horizontal.
Utility model content
The purpose of this utility model is in order to realize that small light tunable high-power microwave source designs, to meet a variety of answer
With demand, the utility model discloses a kind of axially adjustable humorous relativistic magnetron knots that axial export technique is extracted based on full chamber
Structure.The structure has that microwave-tuned range is wide, transfer efficiency fluctuates that small, tuning structure is simple and convenient and the spy of system compact
Point.
This programme is achieved by the following technical measures:
A kind of axially adjustable humorous relativistic magnetron, it is characterized in that: include outer cylinder, anode block, cathode, mechanical tuning device,
Fan-shaped waveguide, deferent segment；Cathode is coaxial to be arranged in outer barrel；Outer tube inner wall is provided with fan-shaped waveguide；Anode block is fixed on fan
In shape waveguide；Anode block and fan-shaped waveguide are centered around cathode external；Multiple grooves are offered between anode block and fan-shaped waveguide；Fan
The rear end of shape waveguide is deferent segment；The front end that outer tube inner wall is located at fan-shaped waveguide is provided with short-circuit wall；Tune is provided in short-circuit wall
Humorous mechanism；Mechanical tuning device includes fixed disk, tuning screw and tuning plunger；Fixed plate is sheathed in outer cylinder and is located at short circuit
The front end of wall；Adjusting screw rod is connected in short-circuit wall after passing through fixed plate；Fixed plate can be adjusted by the rotation of tuning screw
With the relative position of short-circuit wall；The rear end of fixed plate is provided with the groove for being inserted into opening up between anode block and fan-shaped waveguide
Regulating piston；Hollow area between regulating piston and groove forms coupling aperture；The size of coupling aperture can be according to fixed plate
Change with the relative position of short-circuit wall.
As the preferred of this programme: the quantity of regulating piston and the number of recesses phase opened up between anode block and fan-shaped waveguide
Together.
As the preferred of this programme: the rear end of anode block is provided with collector.
As the preferred of this programme: the quantity of fan-shaped waveguide be it is multiple, anode block is identical as the quantity of fan-shaped waveguide.
As the preferred of this programme: the subtended angle of tuning plunger is equal to the subtended angle of coupling aperture.
The working principle of the axial tuning relativistic magnetron of the utility model is: due to resonant cavity in anode block and sector
Output waveguide is a reentry cavity resonator structure, and difference coupling hole length corresponds to different resonance frequencies；According to required work frequency
Rate rotary tuning screw rod adjusts anode coupling aperture to change the axial position that tuning plunger protrudes into anode outer cylinder coupling aperture
Axial length is with the resonance frequency of regulating system；After completing tuning plunger position and adjusting, high-voltage electricity arteries and veins is added in yin-yang interpolar
Punching forms radial electric field, and it is orthogonal to be formed by axial magnetic field with magnet；It is acted on by the electronics of emission of cathode in the crossed electric and magnetic field
Under angularly drift about, formed electronics spoke；When electronics spoke interaction space rotation be tuned to specific frequency high frequency field
Phase velocity it is synchronous when, electronics gives energy to high frequency field and generates High-Power Microwave；High-Power Microwave passes through resonant cavity and sectorial wave
The coupling aperture on common wall is led, enters one by two adjacent resonant cavities respectively in the form along the symmetrical two holes coupling in center
A fan-shaped waveguide, and class TE10 mould has been motivated in fan-shaped waveguide, three fan-shaped waveguides are further synthesized by coaxial waveguide
Coaxial TEM mode is output to downstream.
The beneficial effect of this programme can according to the description of the above program, and the mechanical tuning device of the utility model is sufficiently sharp
With the inner space of magnetron, do not increase system lateral dimension, and be not take up magnet spaces, improves the small light of system
It is horizontal.Simultaneously because not changing system radial dimension during tuning realizes that coupling pore size is adjusted, to magnetic control tube impedance shadow
Sound is smaller, and higher transfer efficiency can be kept in wider frequency range.Axially tuning relativistic magnetron can be very well for this kind
Ground is applied among the compact-sized adjustable High Power Microwave System of frequency.
It can be seen that the utility model compared with prior art, has substantive features and progress, the beneficial effect implemented
Fruit is also obvious.
Detailed description of the invention
Fig. 1 is the measurements of the chest, waist and hips structural schematic diagram of the utility model；
Fig. 2 is the planar structure cross-sectional view of the utility model；
Fig. 3 is sectional view along A-A in Fig. 2；
Fig. 4 is B-B direction cross-sectional view in Fig. 2；
Fig. 5 is the structural schematic diagram of regulating piston；
Fig. 6 is the output result figure of axial tuning relativistic magnetron；
In figure, 1 is outer cylinder, and 2 be anode block, and 3 be coupling aperture, and 4 be fan-shaped waveguide, and 5 be deferent segment, and 6 be tuning screw, 7
It is tuning plunger for fixed plate, 8,9 be short-circuit wall, and 10 be collector, and 11 be cathode.
Specific embodiment
All features disclosed in this specification or disclosed all methods or in the process the step of, in addition to mutually exclusive
Feature and/or step other than, can combine in any way.
Any feature disclosed in this specification (including any accessory claim, abstract and attached drawing), except non-specifically chatting
It states, can be replaced by other alternative features that are equivalent or have similar purpose.That is, unless specifically stated, each feature is only
It is an example in a series of equivalent or similar characteristics.
It can be outputed by attached drawing, this programme includes outer cylinder, anode block, cathode, mechanical tuning device, fan-shaped waveguide, output
Section；Cathode is coaxial to be arranged in outer barrel；Outer tube inner wall is provided with fan-shaped waveguide；Anode block is fixed on fan-shaped waveguide；Anode
Block and fan-shaped waveguide are centered around cathode external；Multiple grooves are offered between anode block and fan-shaped waveguide；The rear end of fan-shaped waveguide
For deferent segment；The front end that outer tube inner wall is located at fan-shaped waveguide is provided with short-circuit wall；Mechanical tuning device is provided in short-circuit wall；Tuning machine
Structure includes fixed disk, tuning screw and tuning plunger；Fixed plate is sheathed in outer cylinder and is located at short-circuit wall front end；Adjust spiral shell
Bar is connected in short-circuit wall after passing through fixed plate；Fixed plate can adjust the opposite position with short-circuit wall by the rotation of tuning screw
It sets；The rear end of fixed plate is provided with the regulating piston for the groove for being inserted into opening up between anode block and fan-shaped waveguide；It adjusts and lives
Hollow area between plug and groove forms coupling aperture；The size of coupling aperture can be according to the opposite position with short-circuit wall of fixed plate
Set change.The number of recesses opened up between the quantity and anode block and fan-shaped waveguide of regulating piston is identical.The rear end of anode block is set
It is equipped with collector.The quantity of fan-shaped waveguide be it is multiple, the quantity of anode block is twice of fan-shaped waveguide quantity.Of tuning plunger
Angle is equal to the subtended angle of coupling aperture.Magnet is provided with outside outer cylinder；Magnet is permanent-magnet or electromagnet.
Embodiment:
Using anode block totally 6, inside radius 33.3mm, outer radius 60mm, axial length 80mm, subtended angle is 40 °；
A resonant cavity is formed between two neighboring anode block and fan-shaped waveguide inner wall.Coupling aperture totally six, it is located at six resonance
The outer wall middle of chamber, on the common wall that resonant cavity is connected with fan-shaped waveguide, coupling aperture inside radius is 60mm, and outer radius is
70mm, subtended angle are 15 °, axial length 80mm.Fan-shaped waveguide totally three, fan-shaped waveguide inside radius is 70mm, and outer radius is
95mm, subtended angle are 90 °, and fan-shaped waveguide axial length is 118mm.The latter end coaxial waveguide inside radius being connected with fan-shaped waveguide is
70mm, outer radius 95mm, axial length 150mm.
It is about electric in feed voltage to the axial tuning relativistic magnetron under above structure size using particle simulation software
It is calculated under conditions of pressure 600kV, guidance magnetic field about 0.37T, as a result as shown in Fig. 6: when adjusting coupling aperture axial length
When, output microwave frequency consecutive variations from 1.27GHz to 1.72GHz；In this frequency range, output microwave power exists
Change between 1.45GW to 2.36GW, efficiency changes between 32.73% to 54.05%.This shows in lower guidance magnetic field condition
The utility model can keep relatively high beam wave transfer efficiency in lower and wider frequency rate tuning range, can be applied to light
Among the stringent tunable high-power microwave system of small form factor requirements.
The utility model is not limited to specific embodiment above-mentioned.The utility model expands to any in this specification
The new feature of middle disclosure or any new combination, and disclose any new method or process the step of or any new group
It closes.
Claims (5)
1. a kind of axially adjustable humorous relativistic magnetron, it is characterized in that: including outer cylinder, anode block, cathode, mechanical tuning device, fan
Shape waveguide, deferent segment；The cathode is coaxial to be arranged in outer barrel；The outer tube inner wall is provided with fan-shaped waveguide；The anode
Block is fixed on fan-shaped waveguide；The anode block and fan-shaped waveguide are centered around cathode external；The anode block and fan-shaped waveguide it
Between offer multiple grooves；The rear end of the fan-shaped waveguide is deferent segment；The front end that the outer tube inner wall is located at fan-shaped waveguide is set
It is equipped with short-circuit wall；Mechanical tuning device is provided in the short-circuit wall；The mechanical tuning device includes fixed disk, tuning screw and tuning
Piston；The fixed plate is sheathed on front end that is in outer cylinder and being located at short-circuit wall；The adjusting screw rod connects after passing through fixed plate
In short-circuit wall；The fixed plate can adjust the relative position with short-circuit wall by the rotation of tuning screw；The fixed plate
Rear end be provided with the regulating piston of the groove for being inserted into opening up between anode block and fan-shaped waveguide；The regulating piston with it is recessed
Hollow area between slot forms coupling aperture.
2. the axially adjustable humorous relativistic magnetron of one kind according to claim 1, it is characterized in that: the number of the regulating piston
The number of recesses opened up between amount and anode block and fan-shaped waveguide is identical.
3. the axially adjustable humorous relativistic magnetron of one kind according to claim 1, it is characterized in that: the rear end of the anode block
It is provided with collector.
4. the axially adjustable humorous relativistic magnetron of one kind according to claim 1, it is characterized in that: the number of the fan-shaped waveguide
It is multiple for measuring, and the anode block is identical as the quantity of fan-shaped waveguide.
5. the axially adjustable humorous relativistic magnetron of one kind according to claim 4, it is characterized in that: of the tuning plunger
Angle is equal to the subtended angle of coupling aperture.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821663299.9U CN208767251U (en) | 2018-10-15 | 2018-10-15 | A kind of axially adjustable humorous relativistic magnetron |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821663299.9U CN208767251U (en) | 2018-10-15 | 2018-10-15 | A kind of axially adjustable humorous relativistic magnetron |
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| CN208767251U true CN208767251U (en) | 2019-04-19 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109148244A (en) * | 2018-10-15 | 2019-01-04 | 中国工程物理研究院应用电子学研究所 | A kind of axially adjustable humorous relativistic magnetron |
| CN114664616A (en) * | 2022-03-23 | 2022-06-24 | 电子科技大学 | Axial cascade relativistic magnetron based on frequency locking and phase locking of full-cavity coupling structure |
-
2018
- 2018-10-15 CN CN201821663299.9U patent/CN208767251U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109148244A (en) * | 2018-10-15 | 2019-01-04 | 中国工程物理研究院应用电子学研究所 | A kind of axially adjustable humorous relativistic magnetron |
| CN109148244B (en) * | 2018-10-15 | 2024-02-27 | 中国工程物理研究院应用电子学研究所 | Axially tunable relativistic magnetron |
| CN114664616A (en) * | 2022-03-23 | 2022-06-24 | 电子科技大学 | Axial cascade relativistic magnetron based on frequency locking and phase locking of full-cavity coupling structure |
| CN114664616B (en) * | 2022-03-23 | 2023-05-23 | 电子科技大学 | Axial cascading relativistic magnetron based on full-cavity coupling structure frequency locking and phase locking |
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