CN205723879U - A kind of High-Power Microwave TE31-TE11mode converter - Google Patents
A kind of High-Power Microwave TE31-TE11mode converter Download PDFInfo
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- CN205723879U CN205723879U CN201620308852.1U CN201620308852U CN205723879U CN 205723879 U CN205723879 U CN 205723879U CN 201620308852 U CN201620308852 U CN 201620308852U CN 205723879 U CN205723879 U CN 205723879U
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Abstract
The utility model discloses a kind of High-Power Microwave TE31‑TE11Mode converter, including urceolus and inner core, described urceolus end face opening other end seals, being provided with a through hole on the seal face of described urceolus, described inner core is embedded in the through hole on urceolus sealed end, and the diameter of through hole is consistent with the external diameter of inner core, described inner core is coaxially disposed with urceolus, the wall of described inner core is provided with some coupling gaps along axis direction, and the inwall of described urceolus is provided with two tuning plugs, and tuning plug lays respectively at the both sides of inner core；This utility model is based on field coupling principle, by the coupling gap of specular, dexterously by TE31Pattern is the most high efficiency is converted to TE11Pattern, the mode converter of this Invention Announce has simple in construction, is prone to processing, the advantage of volume compact, can be used widely in multiple employing magnetron is as the High Power Microwave System of microwave source.
Description
Technical field
The invention belongs to High-Power Microwave antenna feeder technical field, specifically refer to a kind of novel circular waveguide TE that relativistic magnetron or other high-power pulsed ion beams can be exported31Mould High-Power Microwave is converted to circular waveguide TE11The transducer of pattern.
Background technology
High-Power Microwave refers to that (High-Power Microwave, HPM) is the one of strong electromagnetic pulse, and its frequency range is 300MHz～300GHz, peak power is higher than 100MW, has altofrequency, the short pulse punching feature such as (tens nanoseconds) and high power.Relativistic magnetron is a kind of common devices for producing High-Power Microwave, due to its simple in construction, firm, functional reliability is high, there are the potentiality of high efficiency and repetition pulse work, also there is the synthesis of multitube phase-locked working ways simultaneously and obtain the probability of greater power High-Power Microwave, thus receive the great attention of the scientific worker with application as main target.The scientists of the U.S., Russia, Britain and other country has carried out long-term research to relativistic magnetron.In order to realize efficiently exporting, generally use the diffraction way of output by High-Power Microwave with circular waveguide TE31Pattern exports, due to circular waveguide TE31The antenna pattern of mould is six flap wave beams of division, is highly detrimental to actual application, therefore needs to be converted into the circular waveguide TE of energy directed radiation11Pattern.And High-Power Microwave field uses at present plate phase shift mode converter and curvature strain energy formula mode converter are all not suitable for realizing TE in relatively compact volume31Pattern is to TE11The conversion of pattern.
Summary of the invention
It is an object of the invention to provide a kind of High-Power Microwave TE31-TE11Mode converter, can be directly by the TE in circular waveguide31Pattern is at the TE that the compactest volume internal conversion is orientable radiation11Pattern, promotes compactness and the power capacity of antenna windows of High Power Microwave System.
For achieving the above object, the present invention adopts the following technical scheme that
A kind of High-Power Microwave TE31-TE11Mode converter, including urceolus and inner core,
Described urceolus end face opening other end seals, and the seal face of described urceolus is provided with a through hole, and described inner core is embedded in the through hole on urceolus sealed end, and the diameter of through hole is consistent with the external diameter of inner core, and described inner core is coaxially disposed with urceolus,
Described inner core end face opening other end seals, the open end of the seal face correspondence urceolus of inner core, and the open end of inner core extends to outside urceolus seal face,
The wall of described inner core is provided with some coupling gaps along axis direction,
Being provided with two tuning plugs on the inwall of described urceolus, tuning plug lays respectively at the both sides of inner core,
Described urceolus is TE31Pattern span line, described in the inner core that is arranged in urceolus be TE11Pattern span line,
Space between described inner core and urceolus is for sealing vacuum.
In technique scheme, some coupling gaps that described inner cylindrical surface is arranged are divided into two groups, and two groups of coupling gaps are centrosymmetric setting along the axis of inner core.
In technique scheme, the length in each coupling gap described is consistent, be operation wavelength 0.4 times to 0.5 times between.
In technique scheme, the edge in each coupling gap described is the fillet of smooth arc.
In technique scheme, it is the fillet of smooth arc between the edge of the seal face of inner core to inner core wall.
In technique scheme, the both sides in the coupling gap that described two tuning plugs are positioned on inner core.
In technique scheme, the both sides, coupling gap that described two tuning plugs are symmetricly set on inner core.
In technique scheme, described two tuning plugs be arranged in parallel.
In technique scheme, described urceolus generally cylindrical structure, opening is provided with flange location dish, and sealed end is the chamfering cone cylinder of interior receipts.
In technique scheme, embedded inner core on the end face of described chamfering cone cylinder.
The operation principle of the present invention: the big end of described mode converter and output high-power microwave mode are TE31The Theory of Relativity device of mould connects, and small end and feed-in pattern are TE11The directional radiation antenna of mould connects, TE31The High-Power Microwave of mould is through described TE31When the transmission of pattern span line arrives described coupling gap, producing surface current on the lateral column face in coupling gap, due to the reasonable Arrangement of gap position, faradic current is streamed by slit cuts, thus on gap, form magnetic dipole, and High-Power Microwave energy is coupled into described TE11Pattern span line, owing to the direction of an electric field of the right and left gap sensing is contrary, therefore at TE11Pattern span line has synthesized TE11Pattern High-Power Microwave also exports.
In sum, owing to have employed technique scheme, the invention has the beneficial effects as follows:
The novel TE of the present invention31-TE11Mode converter simple in construction, easily fabricated, working band width, it is highly suitable as using the compact high power microwave system Mode change parts of relativistic magnetron, can be widely applied to the field such as High-Power Microwave emission system, super high power radar emission system.
Accompanying drawing explanation
Examples of the present invention will be described by way of reference to the accompanying drawings, wherein:
Fig. 1 is the structural representation of the present invention；
Fig. 2 is the structural representation of inner core of the present invention；
Fig. 3 is mode converter port scattering coefficient curve of the present invention；
Wherein 1 is TE31Pattern span line；2 is coupling gap；3 is TE11Pattern span line；4a, 4b are two tuning plugs.
Detailed description of the invention
All features disclosed in this specification, or disclosed all methods or during step, in addition to mutually exclusive feature and/or step, all can combine by any way.
As shown in Fig. 1, the structure of the present invention is by TE31Pattern span line, coupling slot cylinder, TE11Pattern span line and two tuning plug totally four parts are constituted, and coupling slot cylinder is embedded in TE31In pattern transmission ends, and coaxial installation.Described TE31Pattern span line, for being connected with the delivery outlet of relativistic high power microwave device, transmits the TE of feed-in31Pattern High-Power Microwave；Described coupling gap, structure, as in figure 2 it is shown, the cylindrical structure of generally one end open, has chamfering closing one end, side has eight longitudinal strip gaps, and gap length is about 1/2nd of operation wavelength, is used for coupling TE31The High-Power Microwave of pattern and TE11Pattern, left and right, eight gaps specular, upper and lower specular, slot edge rounding angle is to reduce electric field intensity；Described TE11Pattern span line is for being connected with the feed side of high power antenna, by the converted TE obtained31Pattern High-Power Microwave is fed into high power microwave radiation antenna；Described tuning plug is positioned at the both sides in coupling gap, and every side each one and symmetrical parallel setting, for TE31The reflection coefficient coupling tuning of pattern feed-in port, and generation and the reflection of higher order mode can be suppressed.
The High-Power Microwave TE that a operating frequency is 1.58GHz by foregoing invention conceptual design31-TE11Mode converter, the most all parts use non-magnetic rustproof steel making, TE31Pattern span line internal diameter is 332mm, TE11Pattern span line internal diameter is 166mm, gap cylinder external diameter is 216mm, seam wide 28mm, long 120mm, two gap arrangement angles of A, B are respectively 45.6 ° and 13.6 ° (with X-axis angle), remaining is specular relation with gap A, B, the mode converter metal inner surface field distribution obtained is emulated, it can be seen that the TE injected from big end from full electromagnetic wave31Mould microwave successful conversion is for highly purified TE11Mould microwave also exports from small end, and Fig. 3 is port S parameter curve, it can be seen that at operating frequency 1.58GHz, and mode conversion efficiency is more than 99%, and the conversion efficiency fixed percentage bandwidth higher than 95% is more than 10%.
The invention is not limited in aforesaid detailed description of the invention.The present invention expands to any new feature disclosed in this manual or any new combination, and the arbitrary new method that discloses or the step of process or any new combination.
Claims (10)
1. a High-Power Microwave TE31-TE11Mode converter, it is characterised in that include urceolus and inner core,
Described urceolus end face opening other end seals, and the seal face of described urceolus is provided with a through hole, and described inner core is embedded in the through hole on urceolus sealed end, and the diameter of through hole is consistent with the external diameter of inner core, and described inner core is coaxially disposed with urceolus,
Described inner core end face opening other end seals, the open end of the seal face correspondence urceolus of inner core, and the open end of inner core extends to outside urceolus seal face,
The wall of described inner core is provided with some coupling gaps along axis direction,
Being provided with two tuning plugs on the inwall of described urceolus, tuning plug lays respectively at the both sides of inner core,
Described urceolus is TE31Pattern span line, described in the inner core that is arranged in urceolus be TE11Pattern span line,
Space between described inner core and urceolus is for sealing vacuum.
A kind of High-Power Microwave TE the most according to claim 131-TE11Mode converter, it is characterised in that some coupling gaps that described inner cylindrical surface is arranged are divided into two groups, two groups of coupling gaps are centrosymmetric setting along the axis of inner core.
A kind of High-Power Microwave TE the most according to claim 231-TE11Mode converter, it is characterised in that the length in each coupling gap described is consistent, is between 0.4 times to 0.5 times of operation wavelength.
A kind of High-Power Microwave TE the most according to claim 331-TE11Mode converter, it is characterised in that the edge in each coupling gap described is the fillet of smooth arc.
5. according to a kind of High-Power Microwave TE described in any one of Claims 1 to 431-TE11Mode converter, it is characterised in that be the fillet of smooth arc between the edge of the seal face of inner core to inner core wall.
A kind of High-Power Microwave TE the most according to claim 131-TE11Mode converter, it is characterised in that the both sides in the coupling gap that described two tuning plugs are positioned on inner core.
A kind of High-Power Microwave TE the most according to claim 631-TE11Mode converter, it is characterised in that the both sides, coupling gap that described two tuning plugs are symmetricly set on inner core.
A kind of High-Power Microwave TE the most according to claim 731-TE11Mode converter, it is characterised in that described two tuning plugs be arranged in parallel.
A kind of High-Power Microwave TE the most according to claim 131-TE11Mode converter, it is characterised in that described urceolus generally cylindrical structure, opening is provided with flange location dish, and sealed end is the chamfering cone cylinder of interior receipts.
A kind of High-Power Microwave TE the most according to claim 931-TE11Mode converter, it is characterised in that embedded inner core on the end face of described chamfering cone cylinder.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201620308852.1U CN205723879U (en) | 2016-04-14 | 2016-04-14 | A kind of High-Power Microwave TE31-TE11mode converter |
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| CN201620308852.1U CN205723879U (en) | 2016-04-14 | 2016-04-14 | A kind of High-Power Microwave TE31-TE11mode converter |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105846016A (en) * | 2016-04-14 | 2016-08-10 | 中国工程物理研究院应用电子学研究所 | High power microwave TE31-TE11 mode converter |
| CN109378557A (en) * | 2018-10-19 | 2019-02-22 | 中国人民解放军国防科技大学 | Compact tunable radial folding linear polarization mode converter |
| CN114823251A (en) * | 2022-04-08 | 2022-07-29 | 电子科技大学 | Axial cascade relativistic magnetron based on frequency locking and phase locking of branch feed structure |
| CN114999873A (en) * | 2022-06-28 | 2022-09-02 | 电子科技大学 | Compact high-efficiency axial diffraction output magnetron |
-
2016
- 2016-04-14 CN CN201620308852.1U patent/CN205723879U/en active Active
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105846016A (en) * | 2016-04-14 | 2016-08-10 | 中国工程物理研究院应用电子学研究所 | High power microwave TE31-TE11 mode converter |
| CN105846016B (en) * | 2016-04-14 | 2018-10-26 | 中国工程物理研究院应用电子学研究所 | A kind of High-Power Microwave TE31-TE11Mode converter |
| CN109378557A (en) * | 2018-10-19 | 2019-02-22 | 中国人民解放军国防科技大学 | Compact tunable radial folding linear polarization mode converter |
| CN109378557B (en) * | 2018-10-19 | 2021-03-02 | 中国人民解放军国防科技大学 | Compact tunable radial folding linear polarization mode converter |
| CN114823251A (en) * | 2022-04-08 | 2022-07-29 | 电子科技大学 | Axial cascade relativistic magnetron based on frequency locking and phase locking of branch feed structure |
| CN114823251B (en) * | 2022-04-08 | 2023-04-14 | 电子科技大学 | Axial cascade relativistic magnetron based on branch feed structure frequency locking and phase locking |
| CN114999873A (en) * | 2022-06-28 | 2022-09-02 | 电子科技大学 | Compact high-efficiency axial diffraction output magnetron |
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