CN109687085A - Radial line waveguide high-power microwave power synthesizer - Google Patents
Radial line waveguide high-power microwave power synthesizer Download PDFInfo
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- CN109687085A CN109687085A CN201910069336.6A CN201910069336A CN109687085A CN 109687085 A CN109687085 A CN 109687085A CN 201910069336 A CN201910069336 A CN 201910069336A CN 109687085 A CN109687085 A CN 109687085A
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
- H01P5/00—Coupling devices of the waveguide type
- H01P5/12—Coupling devices having more than two ports
- H01P5/16—Conjugate devices, i.e. devices having at least one port decoupled from one other port
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
- H01P1/00—Auxiliary devices
- H01P1/20—Frequency-selective devices, e.g. filters
- H01P1/213—Frequency-selective devices, e.g. filters combining or separating two or more different frequencies
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Abstract
The invention discloses a radial line waveguide high-power microwave power combiner, which aims to overcome the defects that a mode converter needs to be added to the conventional power combiner, the polarization direction of an output microwave mode is fixed and the like. The invention is composed of a coaxial injection waveguide, 2 radial line waveguide filters and an energy synthesis output structure; the coaxial injection waveguide consists of 3 transition inclined planes, 2-stage nose cones and 2 input ports; the first input port is communicated with the first radial linear waveguide filter, and the second input port is communicated with the second radial linear waveguide filter; the energy synthesis output structure consists of a Y-shaped junction and a radial line-to-coaxial bend waveguide, and synthesizes and transmits microwaves in the 2 radial line waveguide filters to an output port. The invention can directly output coaxial waveguide TEM mode and circular waveguide TM of any polarization mode to microwave source01The mode carries out power synthesis, a mode converter does not need to be added, the structure is simple, and the large over-mode ratio design of a high-frequency structure is realized.
Description
Technical field
The present invention relates to the power combiners of High-Power Microwave technical field, especially a kind of to be based on radial line waveguide design
High-Power Microwave channel power synthesizer.
Background technique
Currently, (according to the agreement of Benford and Swegle, High-Power Microwave refers to that peak power is greater than to High-Power Microwave
The electromagnetic wave of 100MW, frequency between 1~100GHz) at military field and civilian aspect using varied, these applications
Very high demand is proposed to power level；In addition, according to the difference of High-Power Microwave and interacting goals effect, it is sometimes desirable to
There to be the High-Power Microwave signal of different characteristic (different wave, different frequency etc.) to synthesize, by an outside spoke of output port
It penetrates.It is one of the important technology route for realizing the above demand using High-Power Microwave power synthetic technique, therefore develops with height
The power combiner of power capacity is an important research content.
In recent years, researcher is had devised using filter construction and plate reflective structure with high power capacity
Power synthesis device.Wherein exported using representative tri- tunnel waveguide of Shi in the power combiner of filter construction development
Multiplexer [Li Guolin, Shu Ting, Yuan Chengwei .S wave band high-power microwave guide output multiplexer study light laser and the particle beams,
2007, Vol.19, No.4, pp.667-670], as shown in Figure 1, the structure is by three rectangular waveguide filters 1, waveguide T shape knot 2
Main waveguide 3 with a synthesis is constituted, by three rectangular waveguide filters 1 by the High-Power Microwave of different frequency through waveguide
T shape knot 2 is fed into main waveguide 3, to realize the synthesis output of High-Power Microwave.This power combiner is with higher
The advantages that energy transmission efficiency, but its operating mode is rectangular waveguide TE10Mould exports mould in existing most of high-power microwave source
Formula is circular waveguide TM01Under conditions of mould or TEM coaxial mould, three 1 front ends of path filter in the structure require that phase is added
The mode converter answered, the circular waveguide TM that microwave source is directly generated01Mould or TEM coaxial mould are converted into rectangular waveguide TE10Mould,
Power combing is carried out again, to increase the complexity of synthesis radiating system.
Representative in power combiner using plate reflective structure development is that T shape High-Power Microwave power closes
Grow up to be a useful person [a kind of T shape high-power microwave power combiner light laser of Zhang Qiang, Yuan Chengwei, Liu Lie and the particle beams, 2010, Vol.22,
No.10, pp.2369-2372], as shown in Fig. 2, the structure is made of two rectangular waveguides, two groups of metal backings, wherein vertically
The rectangular waveguide (abbreviation vertical waveguide) 5 of placement and the central waist of horizontal positioned rectangular waveguide (abbreviation horizontal waveguide) 4 are led
Lead to and connect, and is disposed vertically, the at T-shaped knot of structure.It is there are two input port and an output port, wherein the one of horizontal waveguide 4
A port is first input port 8, another port is output port 9；The end not being connected with horizontal waveguide 4 in vertical waveguide 5
Mouth is the second input port 10.Add in the junction (i.e. inside the waveguide of 5 connecting place of horizontal waveguide 4 and vertical waveguide) of T shape knot
It is loaded with two groups of metal backings --- one group of first metal backing 6 and one group of second metal backing 7.The load of first metal backing 6 exists
In the channel of horizontal waveguide 4, every first metal backing 6 is and in plane, that is, horizontal waveguide 4 and vertical waveguide 5 where T shape knot
Plane where heart line is vertical, and be located at along one T shape knot axis planar and with horizontal waveguide 4 and vertical waveguide 5
In the oblique line arranged at equal intervals of 45° angle, wherein being formed by plane by T close to 6 edge of the first metal backing at T shape knot center
The central point of shape knot, and with horizontal waveguide 4 and 5 axis of vertical waveguide angle at 45 °；Second metal backing 7 is loaded in vertical waveguide 5
Channel in, every second metal backing 7 arranged at equal intervals parallel with plane where T shape knot, and close to T shape knot central point one
The edge of side and the inner wall of horizontal waveguide 4 are in one plane.In this way, passing through the first metal backing 6 and the second metal backing 7
The rectangular waveguide TE of two different polarization directions of rationally setting, first input port 8 and the injection of the second input port 1010Mould point
Not Jing Guo plate reflection, transmission, output is synthesized by output port 9.This power combiner has efficiency of transmission high and power
The high advantage of capacity, but due to the limitation on structural principle, it can only be realized to the orthogonal rectangular wave of two-way polarization direction
Lead TE10Mould synthesis output, is not able to satisfy the requirement of other polarization directions output；Furthermore at work, first in the structure is defeated
The front end of inbound port 8 and the second input port 10 requires that corresponding mode converter is added, the circle that microwave source is directly generated
Waveguide TM01Mould or TEM coaxial mould are converted into rectangular waveguide TE10Mould, then power combing is carried out, equally increase synthesis radiative chain
The complexity of system.
Therefore, although people have begun working on the power combiner in High-Power Microwave field, every kind of scheme has
Oneself unique application background, therefore there is still a need for carry out research and probe to novel high-power microwave power combiner.
Summary of the invention
The technical problem to be solved by the present invention is to overcome in existing power combiner system must additional modes converter and
The deficiencies of microwave mode polarization direction is certain is exported, for the High-Power Microwave signal that two-way working frequency is closer to, is provided
A kind of structure is simple, power capacity is high, especially suitable for the high-power microwave power combiner of high band microwave.
The technical scheme is that
Define the central axis that oo' is radial line waveguide high-power microwave power combiner of the present invention.
Radial line waveguide high-power microwave power combiner of the present invention has axisymmetry about central axis oo',
Export structure group is synthesized by coaxially injecting waveguide, the first radial line waveguide filter, the second radial line waveguide filter and energy
At.Coaxial injection waveguide is oblique by First Transition inclined-plane, the second intermediate incline, first order nose cone, second level nose cone, third transition
Face, first input port and the second input port composition.First input port (coaxial waveguide inlet, inside radius rin2, it is outer
Radius is rin3) outer wall through First Transition inclined-plane and the first radial line waveguide filter (be highly wh7) radial outer connection,
Through the second intermediate incline, inwardly edge is connect the inner wall of first input port with the diameter of the first radial line waveguide filter, so that first
Input port is connected with the first radial line waveguide filter.Second input port (circular waveguide inlet, radius rin1) inner wall
It (is highly w through first order nose cone and second level nose cone and the second radial line waveguide filterh4) radial outer connection, second is defeated
Through third intermediate incline, inwardly edge is connect the outer wall of inbound port with the diameter of the second radial line waveguide filter, so that the second input terminal
Mouth is connected with the second radial line waveguide filter.The radial outer of first radial line waveguide filter and the second radial line waveguide filter
The radial outer of wave device radially synthesizes export structure connection with energy.There are two input port and an output ends altogether by the present invention
Mouthful, wherein coaxially the coaxial waveguide inlet of injection waveguide is first input port, the coaxial circular waveguide inlet for injecting waveguide
For the second input port, the port that energy synthesizes export structure is output port.
First input port and the second input port are respectively to the first radial line waveguide filter and the second radial line waveguide
Filter injects microwave.
First order nose cone, second level nose cone, third intermediate incline about central axis oo' have rotational symmetry, first
Grade nose cone and second level nose cone are in hollow round table structure along central axis oo' direction appearance, along the direction central axis oo', first
The length of grade nose cone is wh1, the length of second level nose cone is wh2, and the bottom surface of first order nose cone and the top surface of second level nose cone weight
It closes, it is r that the bottom surface outer radius of first order nose cone and the top surface outer radius of second level nose cone are equalh2.The top surface of first order nose cone
Outer radius is rh1, second level nose cone bottom surface outer radius be rh3, 0 < r of value satisfactionh1<rh2<rh3, rh2<rin1.Third transition is oblique
Face is the side of a hollow round table along the direction central axis oo', and the length along the direction central axis oo' is wh3, third transition
The small one end of chamfer radius is connect with the outer wall of the second input port, the big one end of radius and the second radial line waveguide filter
Diameter is inwardly along connection.The big one end of the radius of third intermediate incline (i.e. bottom end) radius is rh4, small one end of radius (i.e. top)
It is overlapped with the outer wall of the second input port, radius is also rin1, value meets rin1<rh4。
First Transition inclined-plane and the second intermediate incline have rotational symmetry about central axis oo'.First Transition inclined-plane
It is the side of a hollow round table along the direction central axis oo', the length along the direction central axis oo' is wh6, radius it is big one
End (i.e. bottom end) is connect with the radial outer of the first radial line waveguide filter, small one end of radius (i.e. top) and the first input
Outer wall (the radius r of portin3) connection.The bottom surface radius on First Transition inclined-plane is rh6, the inner wall weight on top and first input port
It closes, radius rin3, value meets rin3<rh6.Second intermediate incline is the side of a hollow round table along the direction central axis oo'
Face, the length along the direction central axis oo' are wh5, the diameter of big one end of radius (i.e. bottom end) and the first radial line waveguide filter
Inwardly along connection, inner wall (the radius r of small one end of radius (i.e. top) and first input portin2) connection.Second intermediate incline
Bottom end radius be rh5, top is overlapped with the inner wall of first input port, radius rin2, value meets rin2<rh5.To avoid
The appearance of high-order axisymmetric mode, r at first input portin1、rin2、rin3Value should meet 0 < rin1<rin2<rin3, rin2With
rin3Value should meet 0 < (rin3–rin2)<0.5λg1, λg1It is f for working frequency1TEM coaxial mould in first input port
Waveguide wavelength.rin2And rin3It can be selected according to the power capacity of specific requirement, rin2And rin3Value it is bigger, power capacity is got over
Height, in principle rin2And rin3Value can be infinitely great.It to be selected according to specific works condition when practical application, first is defeated
The power capacity value that inbound port 20 is able to bear can be emulated by electromagnetic simulation software (such as CST STUDIO SUITE) and be obtained.
rh1、rh2、rh3、rh4、rh5、rh6、wh1、wh2、wh3、wh4、wh5、wh6、wh7And rin1、rin2、rin3Specific value influence whether microwave
The size of high-order mode reflection loss, soft especially by Electromagnetic Simulation in efficiency of transmission and first input port, the second input port
The included optimization functional module of part determines that method is TEM coaxial mould (the working frequency f to transmit in first input port1) arrive
TEM mould (the working frequency f transmitted in first radial line waveguide filter1) and the second input port in the circular waveguide TM that transmits01
Mould (working frequency f2) TEM mould (the working frequency f that is transmitted into the second radial line waveguide filter2) transfer efficiency as far as possible
Reach 100% for optimization aim ((f1≠f2)), by setting rh1、rh2、rh3、rh4、rh5、rh6、wh1、wh2、wh3、wh4、wh5、wh6、
wh7And rin1、rin2、rin3The initial value of parameter is optimized using the optimization functional module that electromagnetic simulation software carries, is obtained
The output result arrived is rh1、rh2、rh3、rh4、rh5、rh6、wh1、wh2、wh3、wh4、wh5、wh6、wh7And rin1、rin2、rin3Parameter takes
Value.
First radial line waveguide filter has axisymmetry about central axis oo', by the first radial cover board and
Second radial cover board composition.First radial cover board radial direction radius is l, appearance is in hollow disc-shaped structure, the second radial cover board diameter
It is L, appearance to radius is also in hollow disc-shaped structure.First radial cover board and the second radial cover board are parallel along central axis oo'
Arrangement, their central axis are overlapped with oo', meet l=L.First radial line waveguide filter meets working frequency f1And f2
(f1≠f2) first kind demand: i.e. to the working frequency of input be f1Radial line waveguide TEM mould transmit completely, to input
Working frequency is f2Radial line waveguide TEM mould it is fully reflective.First radial line waveguide filter is in radial direction close to center
The one end axis oo' axial height is having a size of win, meet win=wh7, the first radial line waveguide filter is in radial direction far from
The one end mandrel line oo' axial height is having a size of wout, axis o1o2It is winAnd woutMiddle line, axis o1o2With central axis oo' phase
It is mutually vertical.It is corresponded on the apparent surface of the first radial cover board and the second radial cover board and is carved with K rectangular channel, K is positive whole
Number.K-th of (1≤k≤K) rectangular channel radical length in first radial lid surface is lk, away from axis o1o2K-th of rectangular channel
Depth be w2k-1, and the radical length of the 1st rectangular channel initial position distance center axis oo' is l0, k-th rectangular channel end
The radical length for holding distance center axis oo' is l；K-th of rectangular channel radical length in second radial lid surface is Lk, away from
Axis o1o2The depth of k-th of rectangular channel is w2k, and the radical length of the 1st rectangular channel initial position distance center axis oo'
For L0, the radical length of k-th rectangular channel end distance center axis oo' is L；To meet the first radial line waveguide filter
Bandwidth of operation and power capacity requirement, avoid rectangular channel surface field from concentrating, the parameter value of rectangular channel can be according to working frequency
f1And f2And the requirement of bandwidth of operation, by electromagnetic simulation software optimization design, and 0.1 λ should be metg1<w1, 0.1 λg1<w2...,
0.1λg1<w2K-1, 0.1 λg1<w2K, l=L, lk=Lk, 0.1 λg1<lk, it can be infinitely great on the value principle of K, when practical application, examines
Bandwidth of operation and the volume size requirement for considering the first radial line waveguide filter, generally take the integer between 2~15.Wherein L=
L0+L1+...+Lk+...+LK-1+LK, l=l0+l1+...+lk+...+lK-1+lK。
Second radial line waveguide filter has axisymmetry about central axis oo', and by third radial direction cover board
With the 4th radial cover board composition.Third radial direction cover board radial direction radius is t, appearance is in hollow disc-shaped structure, the 4th radial cover board
Radial radius is T, appearance is also in hollow disc-shaped structure.Third radial direction cover board and the 4th radial cover board along central axis oo' simultaneously
Row arrangement, their central axis are overlapped with oo', and the diameter of the radial cover board of the radial radius t of third radial direction cover board and the 4th
To radius T-phase etc..Second radial line waveguide filter meets working frequency f1And f2(f1≠f2) the second class demand: i.e. to defeated
The working frequency entered is f1Radial line waveguide TEM mould it is fully reflective, be f to the working frequency of input2Radial line waveguide TEM
Mould transmits completely.
Second radial line waveguide filter is in radial direction close to the one end central axis oo' axial height having a size of sin, and
Meet sin=wh4, the second radial line waveguide filter radial direction far from central axis oo' one end axial height having a size of
sout, axis o3o4For sinAnd soutMiddle line, axis o3o4It is mutually perpendicular to central axis oo'.In third radial direction cover board and the 4th
It is corresponded on the opposite surface of radial cover board and is carved with Q rectangular channel, Q is positive integer (Q is unrelated with K).Third radial direction cover board table
Q-th of (1≤q≤Q) rectangular channel radical length on face is tq, away from axis o3o4The depth of q-th of rectangular channel is s2q-1, and the 1st
The radical length of a rectangular channel initial position distance center axis oo' is t0, the Q rectangular channel end distance center axis oo'
Radical length be t；Q-th of rectangular channel radical length in 4th radial lid surface is Tq, away from axis o3o4Q-th of rectangle
The depth of slot is s2q, and the radical length of the 1st rectangular channel initial position distance center axis oo' is T0, the Q rectangular channel end
The radical length for holding distance center axis oo' is T；For the bandwidth of operation and power capacity for meeting the second radial line waveguide filter
It is required that rectangular channel surface field is avoided to concentrate, the parameter value of rectangular channel can be according to working frequency f1And f2(f1≠f2) and work
The requirement for making bandwidth by electromagnetic simulation software optimization design, and should meet 0.1 λg2<s1, 0.1 λg2<s2..., 0.1 λg2<s2Q-1,
0.1λg2<s2Q, t=T, tq=Tq, 0.1 λg2<tq, it can be infinitely great on the value principle of Q, when practical application, considers that second is radial
Bandwidth of operation and the volume size requirement of line waveguide filter, general Q take the integer between 2~15.Wherein T=T0+T1+...+
Tq+...+TQ-1+TQ, t=t0+t1+...+tq+...+tQ-1+tQ, λg2It is f for working frequency2Radial line waveguide TEM mould wave
Guide wavelength.
Energy synthesizes export structure and closes the microwave in the first radial line waveguide filter, the second radial line waveguide filter
At being transmitted to output port.Energy, which synthesizes export structure, has axisymmetry about central axis oo', by Y-junction and diameter
Turn coaxial waveguide bend to line and connection composition is radially connected.
Y-junction appearance is in hollow discoid, and structure is about axis o5o6Symmetrical configuration, axis o5o6With central axis oo'
It is mutually perpendicular to.Y-junction is by the first radial line waveguide, the second radial line waveguide, the waveguide of third radial line, outer radial inclined-plane, internal diameter
It is formed to inclined-plane.First radial line waveguide and the second radial line waveguide axial direction height dimension are wy1, respectively with the first radial line
Filter and the second radial line filter conducting connection, meet wy1=wout=sout.The bottom end (the inside edge of diameter) of interior radial
Radius is ry1, top (radial outer) radius is ry3, value meets ry1<ry3, the axial distance of interior radial direction beveled top end and bottom end
For wy2, top and axis o5o6Axial distance be wy3；The diameter on outer radial inclined-plane is inwardly r along radiusy2, radial outer radius
For ry4, value meets ry2<ry4.Third radial line waveguide axial direction height dimension is wy4, turn the radial direction of coaxial waveguide bend with radial line
Waveguide port conducting connection.
The bending radius that radial line turns coaxial waveguide bend is R, and bending angle is 90 °, its coaxial waveguide port is this hair
Bright output port, interior outer radius are respectively ry5And ry6；The radial waveguide port width that radial line turns coaxial waveguide bend is wy4, it
The smooth conducting of third radial line waveguide with Y-junction connects.To avoid occurring high-order axisymmetric mode, r at output porty5And ry6
Value should meet 0 < ry5<ry6, and 0 < (ry6–ry5)<min(λg1, λg2)/2, min (λg1, λg2) indicate to take λg1And λg2Between
Smaller value.ry5And ry6It can be selected according to the power capacity of specific requirement, ry5And ry6Value it is bigger, power capacity is higher, in principle
ry5And ry6Value can be infinitely great.It to require to be selected according to specific power capacity and volume size when practical application.Knot
Structure parameter ry1、ry2、ry3、ry4、、ry5、ry6、wy1、wy2、wy3、wy4It is carried with the specific value of R by electromagnetic simulation software excellent
Change functional module determine, method be have with the TEM coaxial mold of the TEM mould of the first radial line waveguide transmission to output port >
99% single mode transport efficiency is optimization aim, by setting ry1、ry2、ry3、ry4、、ry5、ry6、wy1、wy2、wy3、wy4And R parameter
Initial value, using electromagnetic simulation software carry optimization functional module optimize, obtained output result be ry1、
ry2、ry3、ry4、、ry5、ry6、wy1、wy2、wy3、wy4With the value of R parameter.
It is synthesized in coaxially injection waveguide and the first radial line waveguide filter, the second radial line waveguide filter, energy defeated
Junction is connected in structure out, should meet sin=wh4, win=wh7, sout=wout=wy1, can reduce in such total need not
The discontinuity wanted avoids the excitation of high-order mode in overmoded waveguide.
In this way, coaxially injecting waveguide, the first radial line waveguide filter (working frequency f1), the second radial line guide filter
Device (working frequency f2) and energy synthesis export structure just constitute a radial line waveguide high-power microwave power combiner.Its
In, first input port and the second input port are exactly that the two-way of radial line waveguide high-power microwave power combiner of the present invention is defeated
Enter waveguide port, output port is exactly the output waveguide port of radial line waveguide high-power microwave power combiner of the present invention.
The operation principle of the present invention is that: by microwave theory, filtered in the first radial line waveguide filter, the second radial line waveguide
Wave device and energy synthesize export structure difference radially o1o2Direction, o3o4Under the conditions of direction distance is suitable, two input ports
The working frequency of middle injection is f1Coaxial waveguide TEM mould and working frequency be f2Circular waveguide TM01Mould is being converted to work frequency
Rate is respectively f1And f2Radial line waveguide TEM mould after, can avoid influencing each other in transmission process, realize synthesis output.Also
It is to say, the working frequency of first input port injection is f1First via microwave passed completely through the first radial line waveguide filter
It is defeated, export structure is synthesized by energy and is transmitted outward, due to the fully reflective buffer action of the second radial line waveguide filter, first
Road working frequency is f1Coaxial waveguide TEM mould be not coupled in the second input port, avoid the generation of power loss；Together
Sample, the working frequency of the second input port injection is f2Circular waveguide TM01Mould passes completely through the second radial line waveguide filter
After defeated and the first fully reflective effect of radial line waveguide filter, export structure is synthesized by energy and is transmitted outward.Such first via
Working frequency is f1Coaxial waveguide TEM mould and the second tunnel working frequency be f2Circular waveguide TM01Mould is through power combing by exporting
Port output, had not only realized height that is mutually isolated between transmission channel, but also realizing the High-Power Microwave of different operating frequency
Efficiency transmission.Since this synthesizer is based on greater than mould ratio (r in principlein2、rin3、ry5And ry6Value can be infinitely great)
Coaxial injection waveguide, radial line waveguide filter and energy synthesis export structure design, microwave can be improved in waveguide
The field distribution in portion, and avoid the concentration of internal field, is not susceptible to the rf arcing of metal surface, thus it be able to bear compared with
High power capacity can satisfy the application demand in High-Power Microwave field.
The configuration of the present invention is simple, can be to the coaxial waveguide TEM mould and circular waveguide TM of the two-way different operating frequency of input01Mould
Carrying out channel power synthesis can reach following technical effect using the present invention compared with prior art:
(1) design scheme overall structure of the invention is disk-shaped, axial length relative compact.
(2) coaxial waveguide that the coaxial injection waveguide in the present invention can directly to any polarization mode of microwave source output
TEM mould and circular waveguide TM01Mould carries out power combing, is not necessarily to additional modes converter, simple, convenient and easy etc. with system structure
Advantage.
(3) the coaxial injection waveguide in the present invention, radial line waveguide filter and energy synthesize export structure, micro- in guarantee
Under the premise of wave efficiency of transmission, the serious offense mould of high-frequency structure is realized than design, the power capacity of system has been obviously improved, has applied
The present invention can greatly improve the needs that microwave power needed for different application background is supported or combined to different microwave signals.
Detailed description of the invention
Fig. 1 is that [it is strong that Li Guolin, Shu Ting, Yuan Chengwei .S wave band high-power microwave guide output multiplexer study to background technique
Laser and the particle beams, 2007, Vol.19, No.4, pp.667-670] in announce three tunnel waveguide output multiplexer structural representations
Figure；
Fig. 2 is background technique [a kind of T shape high-power microwave power combiner light laser of Zhang Qiang, Yuan Chengwei, Liu Lie and grain
Beamlet, 2010, Vol.22, No.10, pp.2369-2372] in announce T shape High-Power Microwave channel power synthesizer structure show
It is intended to；
Fig. 3 is 3-D view of the present invention；
Fig. 4 is the schematic diagram of the coaxial injection waveguide of the present invention, and wherein Fig. 4 (a) is the three dimensional sectional view of coaxial injection waveguide,
Fig. 4 (b) is its AA ' cross-section cutaway view；
Fig. 5 is the schematic diagram of the first radial line waveguide filter of the invention, and wherein Fig. 5 (a) is the first radial line waveguide filter
The three dimensional sectional view of wave device, Fig. 5 (b) are its BB ' cross-section cutaway view；
Fig. 6 is the schematic diagram of the second radial line waveguide filter of the invention, and wherein Fig. 6 (a) is the second radial line waveguide filter
The three dimensional sectional view of wave device, Fig. 5 (b) are its CC ' cross-section cutaway view；
Fig. 7 is the schematic diagram that energy of the present invention synthesizes export structure, and wherein Fig. 7 (a) is that energy synthesizes the three of export structure
Cross-sectional view is tieed up, Fig. 7 (b) is its DD ' cross-section cutaway view.
Specific embodiment
Fig. 1 is that [it is strong that Li Guolin, Shu Ting, Yuan Chengwei .S wave band high-power microwave guide output multiplexer study to background technique
Laser and the particle beams, 2007, Vol.19, No.4, pp.667-670] in announce three tunnel waveguide output multiplexer structural representations
Figure；The structure is made of three rectangular waveguide filters 1, waveguide T shape knot 2 and a main waveguide 3 synthesized, passes through three squares
The High-Power Microwave of different frequency is fed into main waveguide 3 by shape waveguide filter 1 through waveguide T shape knot 2, to realize Gao Gong
The synthesis of rate microwave exports.The advantages that this power combiner energy transmission efficiency with higher, but its operating mode is square
Shape waveguide TE10Mould is circular waveguide TM in existing most of high-power microwave source output mode01The condition of mould or TEM coaxial mould
Under, three 1 front ends of path filter in the structure require that corresponding mode converter is added, and microwave source is directly generated
Circular waveguide TM01Mould or TEM coaxial mould are converted into rectangular waveguide TE10Mould, then power combing is carried out, to increase synthesis radiation
The complexity of system.
Fig. 2 is background technique [a kind of T shape high-power microwave power combiner light laser of Zhang Qiang, Yuan Chengwei, Liu Lie and grain
Beamlet, 2010, Vol.22, No.10, pp.2369-2372] in announce T shape High-Power Microwave channel power synthesizer structure show
It is intended to；The structure is made of two rectangular waveguides 4 and 5, two groups of metal backings 6 and 7, wherein the rectangular waveguide (letter being disposed vertically
Claim vertical waveguide) 5 connection is connected with the central waist of rectangular waveguide (abbreviation horizontal waveguide) 4 being horizontally arranged, and be disposed vertically,
The at T-shaped knot of structure.There are two input port and an output ports for it, and wherein a port of horizontal waveguide 4 is first input end
Mouth 8, another port are output port 9；The port not being connected with horizontal waveguide 4 in vertical waveguide 5 is the second input port 10.
Two groups of metal backings are loaded in the junction (i.e. inside the waveguide of 5 connecting place of horizontal waveguide 4 and vertical waveguide) of T shape knot ---
One group of first metal backing 6 and one group of second metal backing 7.First metal backing 6 loads in the channel of horizontal waveguide 4, often
The first metal backing of piece 6 is vertical with plane, that is, horizontal waveguide 4 where T shape knot and the plane where 5 center line of vertical waveguide, and
Along one be located at T shape knot institute planar and with the axis of horizontal waveguide 4 and vertical waveguide 5 be in 45° angle oblique line arrange at equal intervals
Column, wherein close to 6 edge of the first metal backing at T shape knot center be formed by plane pass through T shape knot central point, and with level
Waveguide 4 and 5 axis of vertical waveguide angle at 45 °；Second metal backing 7 loads every second metal in the channel of vertical waveguide 5
The arranged at equal intervals parallel with plane where T shape knot of plate 7, and close to the edge of T shape knot central point side and horizontal waveguide 4
Inner wall is in one plane.In this way, passing through the reasonable setting of the first metal backing 6 and the second metal backing 7, two input ports
The rectangular waveguide TE of the different polarization directions of two of 8 and 10 injections10Mould passes through the reflection of plate, transmission respectively, by output port 9
Synthesis output.This power combiner has the advantages that efficiency of transmission height and power capacity are high, but due to the limit on structural principle
System, it can only realize rectangular waveguide TE orthogonal to two-way polarization direction10Mould synthesis output, is not able to satisfy other polarization sides
To the requirement of output；Furthermore at work, the front end of the first input port 8 in the structure and the second input port 10 requires
Corresponding mode converter is added, the circular waveguide TM that microwave source is directly generated01Mould or TEM coaxial mould are converted into rectangular waveguide
TE10Mould, then power combing is carried out, equally increase the complexity of synthesis radiating system.
Fig. 3 is radial line waveguide high-power microwave power combiner 3-D view of the present invention, and oo' is central axis of the invention
Line, the present invention has axisymmetry about central axis oo', by coaxially injecting waveguide 11, the first radial line guide filter
Device 12, the second radial line waveguide filter 13 and energy synthesis export structure 14 form.Coaxial injection waveguide 11 is by First Transition
Inclined-plane 15, the second intermediate incline 16, first order nose cone 17, second level nose cone 18, third intermediate incline 19, first input port 20
It is formed with the second input port 21.First input port 20 (coaxial waveguide inlet, inside radius rin2, outer radius rin3)
Outer wall (is highly w through First Transition inclined-plane 15 and the first radial line waveguide filter 12h7) radial outer connection, first input
Through the second intermediate incline 16, inwardly edge is connect the inner wall of port 20 with the diameter of the first radial line waveguide filter 12, so that first is defeated
Inbound port 20 and the first radial line waveguide filter 12 are connected.Second input port 21 (circular waveguide inlet, radius rin1)
Inner wall (is highly w through first order nose cone 17 and second level nose cone 18 and the second radial line waveguide filter 13h4) radial outer
Connection, the outer wall of the second input port 21 is through the diameter of third intermediate incline 19 and the second radial line waveguide filter 13 inwardly along even
It connects, so that the second input port 21 and the second radial line waveguide filter 13 are connected.The diameter of first radial line waveguide filter 12
Export structure 14 is radially synthesized with energy to outer and the radial outer of the second radial line waveguide filter 13 to connect.The present invention
There are two input port and an output ports altogether, wherein coaxially the coaxial waveguide inlet of injection waveguide 11 is first input end
Mouth 20, the coaxial circular waveguide inlet for injecting waveguide 11 are the second input port 21, and the port of energy synthesis export structure 14 is
Output port 22.
Fig. 4 is the schematic diagram of the coaxial injection waveguide 11 of the present invention, and coaxially injecting waveguide 11 about central axis oo' has rotation
Turn symmetry.First input port 20 and the second input port 21 are radial to the first radial line waveguide filter 12 and second respectively
Line waveguide filter 13 injects microwave.First order nose cone 17, second level nose cone 18, third intermediate incline 19 are about central axis
Oo' has rotational symmetry, first order nose cone 17 and second level nose cone 18 along central axis oo' direction appearance in hollow round table knot
Structure, along the direction central axis oo', the length of first order nose cone 17 is wh1, the length of second level nose cone 18 is wh2, and the first order
The bottom surface of nose cone 17 and the top surface of second level nose cone 18 are overlapped, the bottom surface outer radius of first order nose cone 17 and second level nose cone 18
Top surface outer radius is equal, is rh2.The top surface outer radius of first order nose cone 17 is rh1, second level nose cone 18 bottom surface outer radius
For rh3, 0 < r of value satisfactionh1<rh2<rh3, rh2<rin1.Third intermediate incline 19 is an open circles along the direction central axis oo'
The side of platform, the length along the direction central axis oo' are wh3, the small one end of 19 radius of third intermediate incline and the second input port
21 outer wall connection, inwardly edge is connect the big one end of radius with the diameter of the second radial line waveguide filter 13.Third intermediate incline
The big one end of 19 radius (i.e. bottom end) radius is rh4, the outer wall weight of small one end of radius (i.e. top) and the second input port 21
It closes, radius is also rin1, value meets rin1<rh4.First Transition inclined-plane 15 and the second intermediate incline 16 have about central axis oo'
There is rotational symmetry.First Transition inclined-plane 15 is the side of a hollow round table along the direction central axis oo', along central axis
The length in the direction oo' is wh6, big one end of radius (i.e. bottom end) connect with the radial outer of the first radial line waveguide filter 12,
Outer wall (the radius r of small one end of radius (i.e. top) and first input port 20in3) connection.The bottom surface on First Transition inclined-plane 15
Radius is rh6, top is overlapped with the inner wall of first input port 20, radius rin3, value meets rin3<rh6.Second transition is oblique
Face 16 is the side of a hollow round table along the direction central axis oo', and the length along the direction central axis oo' is wh5, radius is big
One end (i.e. bottom end) and the diameter of the first radial line waveguide filter 12 inwardly along connect, small one end of radius (i.e. top) and the
Inner wall (the exterior radius r of one input port 20in2) connection.The bottom end radius of second intermediate incline 16 is rh5, top is defeated with first
The inner wall of inbound port 20 is overlapped, radius rin2, value meets rin2<rh5.To avoid high-order axial symmetry at first input port 20
The appearance of mould, rin1、rin2、rin3Value should meet 0 < rin1<rin2<rin3, rin2And rin3Value should meet 0 < (rin3–rin2)
<0.5λg1, λg1It is f for working frequency1Waveguide wavelength of the TEM coaxial mould in first input port 20.rin2And rin3It can basis
The power capacity of specific requirement selects, rin2And rin3Value it is bigger, power capacity is higher, in principle rin2And rin3Value can be with
It is infinitely great.It to be selected according to specific works condition when practical application, the power capacity that first input port 20 is able to bear
Value can emulate to obtain by electromagnetic simulation software.
Fig. 5 is the schematic diagram of first radial line waveguide filter 12 of the invention, the first radial line waveguide filter 12 about
Central axis oo' has axisymmetry, is made of the first radial cover board 23 and the second radial cover board 24.First radial cover board
23 radial radiuses are l, appearance is in hollow disc-shaped structure, and the second radial radius of radial cover board 24 is L, appearance is also in hollow disk
Shape structure.First radial cover board 23 and the second radial cover board 24 along central axis oo' parallel arranged, their central axis with
Oo' is overlapped, and meets l=L.First radial line waveguide filter 12 meets working frequency f1And f2(f1≠f2) first kind demand:
It is f to the working frequency of input1Radial line waveguide TEM mould transmit completely, be f to the working frequency of input2Radial line wave
It is fully reflective to lead TEM mould.First radial line waveguide filter 12 is in radial direction close to the one end central axis oo' axial height ruler
Very little is win, meet win=wh7, the first radial line waveguide filter 12 is in radial direction far from the axial height in the one end central axis oo'
Degree is having a size of wout, axis o1o2It is winAnd woutMiddle line, axis o1o2It is mutually perpendicular to central axis oo'.In the first radial lid
It is corresponded on the apparent surface of plate 23 and the second radial cover board 24 and is carved with K rectangular channel, K is positive integer.First radial cover board
K-th of (1≤k≤K) rectangular channel radical length on 23 surfaces is lk, away from axis o1o2The depth of k-th of rectangular channel is w2k-1,
And the radical length of the 1st rectangular channel initial position distance center axis oo' is l0, k-th rectangular channel end distance center axis
The radical length of line oo' is l；K-th of rectangular channel radical length on second 24 surface of radial cover board is Lk, away from axis o1o2Kth
The depth of a rectangular channel is w2k, and the radical length of the 1st rectangular channel initial position distance center axis oo' is L0, k-th square
The radical length of shape slot end distance center axis oo' is L；For meet the first radial line waveguide filter 12 bandwidth of operation and
Power capacity requirement, avoids rectangular channel surface field from concentrating, the parameter value of rectangular channel can be according to working frequency f1And f2And work
The requirement for making bandwidth by electromagnetic simulation software optimization design, and should meet 0.1 λg1<w1, 0.1 λg1<w2..., 0.1 λg1<w2K-1,
0.1λg1<w2K, l=L, lk=Lk, 0.1 λg1<lk, it can be infinitely great on the value principle of K, when practical application, considers that first is radial
Bandwidth of operation and the volume size requirement of line waveguide filter 12, generally take the integer between 2~15.Wherein L=L0+L1+...+
Lk+...+LK-1+LK, l=l0+l1+...+lk+...+lK-1+lK。
Fig. 6 is the schematic diagram of second radial line waveguide filter 13 of the invention, the second radial line waveguide filter 13 about
Central axis oo' has axisymmetry, and is made of third radial direction cover board 25 and the 4th radial cover board 26.Third is radially covered
The radial radius of plate 25 is t, appearance is in hollow disc-shaped structure, and the 4th radial radius of radial cover board 26 is T, appearance is also in open circles
Disk-like structure.Along central axis oo' parallel arranged, their central axis is equal for third radial direction cover board 25 and the 4th radial cover board 26
It is overlapped with oo', and the radial radius T-phase etc. of the radial cover board 26 of the radial radius t of third radial direction cover board 25 and the 4th.Second is radial
Line waveguide filter 13 meets working frequency f1And f2(f1≠f2) the second class demand: i.e. to the working frequency of input be f1Diameter
Fully reflective to line waveguide TEM mould, the working frequency to input is f2Radial line waveguide TEM mould transmit completely.Second is radial
Line waveguide filter 13 is in radial direction close to the one end central axis oo' axial height having a size of sin, and meet sin=wh4, the
Two radial line waveguide filters 13 are in radial direction far from the one end central axis oo' axial height having a size of sout, axis o3o4For
sinAnd soutMiddle line, axis o3o4It is mutually perpendicular to central axis oo'.In third radial direction cover board 25 and the 4th radial cover board 26
It is corresponded on opposite surface and is carved with Q rectangular channel, Q is positive integer (Q is unrelated with K).On 25 surface of third radial direction cover board
Q-th of (1≤q≤Q) rectangular channel radical length is tq, away from axis o3o4The depth of q-th of rectangular channel is s2q-1, and the 1st rectangle
The radical length of slot initial position distance center axis oo' is t0, the radial direction of the Q rectangular channel end distance center axis oo'
Length is t；Q-th of rectangular channel radical length on 4th 26 surface of radial cover board is Tq, away from axis o3o4Q-th rectangular channel
Depth is s2q, and the radical length of the 1st rectangular channel initial position distance center axis oo' is T0, the Q rectangular channel end away from
Radical length from central axis oo' is T；It is wanted to meet bandwidth of operation and the power capacity of the second radial line waveguide filter 13
It asks, avoids rectangular channel surface field from concentrating, the parameter value of rectangular channel can be according to working frequency f1And f2(f1≠f2) and work
The requirement of bandwidth by electromagnetic simulation software optimization design, and should meet 0.1 λg2<s1, 0.1 λg2<s2..., 0.1 λg2<s2Q-1,
0.1λg2<s2Q, t=T, tq=Tq, 0.1 λg2<tq, it can be infinitely great on the value principle of Q, when practical application, considers that second is radial
Bandwidth of operation and the volume size requirement of line waveguide filter 13, general Q take the integer between 2~15.Wherein T=T0+T1+...
+Tq+...+TQ-1+TQ, t=t0+t1+...+tq+...+tQ-1+tQ, λg2It is f for working frequency2Radial line waveguide TEM mould wave
Guide wavelength.
Fig. 7 is the schematic diagram that energy of the present invention synthesizes export structure 14, and energy synthesizes export structure 14 for the first radial line
Microwave synthesis in waveguide filter 12, the second radial line waveguide filter 13 is transmitted to output port 22.Energy synthesis output
Structure 14 has axisymmetry about central axis oo', from Y-junction 27 and radial line turn coaxial waveguide bend 28 radially to
Outer conducting connection composition.27 appearance of Y-junction is in hollow discoid, and structure is about axis o5o6Symmetrical configuration, axis o5o6With in
Mandrel line oo' is mutually perpendicular to.Y-junction 27 is by the first radial line waveguide 31, the second radial line waveguide 32, third radial line waveguide
33, outer radial inclined-plane 30, interior radial 29 form.32 axial height ruler of first radial line waveguide 31 and the second radial line waveguide
Very little is wy1, connected respectively with the first radial line filter 12 and the second radial conducting of line filter 13, meet wy1=wout=
sout.Bottom end (the inside edge of the diameter) radius of interior radial 29 is ry1, top (radial outer) radius is ry3, value meets ry1<
ry3, the axial distance of interior 29 top of radial and bottom end is wy2, top and axis o5o6Axial distance be wy3；Outer radial
The diameter on inclined-plane 30 is inwardly r along radiusy2, radial outer radius is ry4, value meets ry2<ry4.Third radial line waveguide 33 is axial
Height dimension is wy4, connection is connected in the radial waveguide port for turning coaxial waveguide bend 28 with radial line.
The bending radius that radial line turns coaxial waveguide bend 28 is R, and bending angle is 90 °, its coaxial waveguide port is this
Invention output port 22, interior outer radius are respectively ry5And ry6；Radial line turn coaxial waveguide bend 28 radial waveguide port width be
wy4, the smooth conducting of third radial line waveguide 33 connection of it and Y-junction 27.To avoid occurring high-order axial symmetry at output port 22
Mould, ry5And ry6Value should meet 0 < ry5<ry6, and 0 < (ry6–ry5)<min(λg1, λg2)/2, min (λg1, λg2) indicate to take λg1
And λg2Between smaller value.ry5And ry6It can be selected according to the power capacity of specific requirement, ry5And ry6Value it is bigger, power capacity
It is higher, r in principley5And ry6Value can be infinitely great.It will be according to specific power capacity and volume size requirement when practical application
It is selected.
One embodiment of the present invention is verified using electromagnetic computing software --- two-way operating center frequency is respectively
The radial line waveguide Gao Gong of 9.4GHz (corresponding microwave wavelength is 31.89mm) and 9.7GHz (corresponding microwave wavelength is 30.91mm)
When rate microwave power synthesizer, first input port working frequency is the TEM coaxial mould efficiency of transmission about 97.5% of 9.4GHz, the
Two input port working frequencies are the circular waveguide TM of 9.7GHz01Mould efficiency of transmission about 97%, power coupling between two input ports
It closes loss and is less than -20dB, system power capacity reaches GW magnitude.
From the above results, the present invention is able to achieve two work in the channel function of the High Power Microwave System of different frequency
Rate synthesis, single mode transport is high-efficient, and power capacity is big, is closer to for High-Power Microwave field especially two-way working frequency
The problem of high band channel power synthesizes provides a kind of alternative.
Claims (9)
1. a kind of radial line waveguide high-power microwave power combiner, it is characterised in that radial line waveguide High-Power Microwave power closes
Growing up to be a useful person has axisymmetry about central axis oo', by coaxially injecting waveguide (11), the first radial line waveguide filter
(12), the second radial line waveguide filter (13) and energy synthesis export structure (14) composition；Coaxial injection waveguide (11) is by the
One intermediate incline (15), the second intermediate incline (16), first order nose cone (17), second level nose cone (18), third intermediate incline
(19), first input port (20) and the second input port (21) composition；First input port (20) is coaxial injection waveguide
(11) coaxial waveguide inlet, inside radius rin2, outer radius rin3, first input port (20) outer wall is oblique through First Transition
Face (15) is connect with the radial outer of the first radial line waveguide filter (12), and the inner wall of first input port (20) is through the second mistake
Inclined-plane (16) is crossed with the diameter of the first radial line waveguide filter (12) inwardly along connecting, so that first input port (20) and first
Radial line waveguide filter (12) conducting, the height of the first radial line waveguide filter (12) are wh7；Second input port (21)
For the circular waveguide inlet for coaxially injecting waveguide (11), inside radius rin1, the inner wall of the second input port (21) is through first order nose
Cone (17) and second level nose cone (18) are connect with the radial outer of the second radial line waveguide filter (13), the second input port
(21) through third intermediate incline (19), inwardly edge is connect outer wall with the diameter of the second radial line waveguide filter (13), so that second
Input port (21) and the second radial line waveguide filter (13) are connected, and the height of the second radial line waveguide filter (13) is
wh4；The radial outer of first radial line waveguide filter (12) and the radial outer of the second radial line waveguide filter (13) are along diameter
To export structure (14) conducting connection is synthesized with energy, the port that energy synthesizes export structure (14) is output port (22)；
First order nose cone (17), second level nose cone (18), third intermediate incline (19) have rotational symmetry about central axis oo'
Property, first order nose cone (17) and second level nose cone (18) are in hollow round table structure along central axis oo' direction appearance, along central axis
The direction line oo', the length of first order nose cone (17) are wh1, the length of second level nose cone (18) is wh2, and first order nose cone (17)
Bottom surface and the top surface of second level nose cone (18) be overlapped, the bottom surface outer radius of first order nose cone (17) and second level nose cone (18)
Top surface outer radius is equal, is rh2；The top surface outer radius of first order nose cone (17) is rh1, second level nose cone (18) bottom surface outside
Radius is rh3, 0 < r of value satisfactionh1<rh2<rh3, rh2<rin1；Third intermediate incline (19) is one along the direction central axis oo'
The side of hollow round table, the length along the direction central axis oo' are wh3, the small one end and second of third intermediate incline (19) radius
The inner wall of input port (21) connects, and inwardly edge is connect the big one end of radius with the diameter of the second radial line waveguide filter (13)；
The big one end of the radius of third intermediate incline (19), that is, bottom end radius is rh4, the small one end, that is, top of radius and the second input port
(21) inner wall is overlapped, and radius is also rin1, value meets rin1<rh4；
First Transition inclined-plane (15) and the second intermediate incline (16) have rotational symmetry about central axis oo'；First Transition
Inclined-plane (15) is the side of a hollow round table along the direction central axis oo', and the length along the direction central axis oo' is wh6, half
Big one end, that is, the bottom end of diameter is connect with the radial outer of the first radial line waveguide filter (12), the small one end, that is, top of radius with
The outer wall of first input port (20) connects；The bottom surface radius on First Transition inclined-plane (15) is rh6, top and first input port
(20) outer wall is overlapped, radius rin3, value meets rin3<rh6；Second intermediate incline (16) is one along the direction central axis oo'
The side of a hollow round table, the length along the direction central axis oo' are wh5, the big one end, that is, bottom end of radius and the first radial line wave
Inwardly along connection, the small one end, that is, top of radius is connect the diameter of waveguide filter (12) with the inner wall of first input port (20)；The
The bottom end radius of two intermediate inclines (16) is rh5, top is overlapped with the inner wall of first input port (20), radius rin2, value
Meet rin2<rh5；
First radial line waveguide filter (12) has axisymmetry about central axis oo', by the first radial cover board
(23) it is formed with the second radial cover board (24)；The first radial radial radius of cover board (23) is l, appearance is in hollow disc-shaped structure,
The second radial radial radius of cover board (24) is L, appearance is also in hollow disc-shaped structure；First radial cover board (23) and the second radial direction
Cover board (24) is overlapped with oo' along central axis oo' parallel arranged, their central axis, meets l=L；First radial line wave
Waveguide filter (12) meets working frequency f1And f2First kind demand: i.e. to the working frequency of input be f1Radial line waveguide
TEM mould transmits completely, and the working frequency to input is f2Radial line waveguide TEM mould it is fully reflective, f1≠f2；First radial line
Waveguide filter (12) is in radial direction close to the one end central axis oo' axial height having a size of win, meet win=wh7, first
Radial line waveguide filter (12) is in radial direction far from the one end central axis oo' axial height having a size of wout, axis o1o2It is
winAnd woutMiddle line, axis o1o2It is mutually perpendicular to central axis oo'；In the first radial cover board (23) and the second radial cover board
(24) it is corresponded on apparent surface and is carved with K rectangular channel, K is positive integer；K-th on first radial cover board (23) surface
Rectangular channel radical length is lk, away from axis o1o2The depth of k-th of rectangular channel is w2k-1, and the 1st rectangular channel initial position distance
The radical length of central axis oo' is l0, the radical length of k-th rectangular channel end distance center axis oo' is l, 1≤k≤
K；K-th of rectangular channel radical length on second radial cover board (24) surface is Lk, away from axis o1o2The depth of k-th of rectangular channel
For w2k, and the radical length of the 1st rectangular channel initial position distance center axis oo' is L0, k-th rectangular channel end is in
The radical length of mandrel line oo' is L；
Second radial line waveguide filter (13) has axisymmetry about central axis oo', and by third radial direction cover board
(25) it is formed with the 4th radial cover board (26)；Third radial direction cover board (25) radial direction radius is t, appearance is in hollow disc-shaped structure,
The 4th radial radial radius of cover board (26) is T, appearance is also in hollow disc-shaped structure；Third radial direction cover board (25) and the 4th radial direction
Cover board (26) is overlapped with oo' along central axis oo' parallel arranged, their central axis, and third radial direction cover board (25)
The radial radius T-phase etc. of the radial cover board (26) of radial radius t and the 4th；Second radial line waveguide filter (13) meets work frequency
Rate f1And f2The second class demand: i.e. to the working frequency of input be f1Radial line waveguide TEM mould it is fully reflective, to input
Working frequency is f2Radial line waveguide TEM mould transmit completely；Second radial line waveguide filter (13) is close in radial direction
The one end central axis oo' axial height is having a size of sin, and meet sin=wh4, the second radial line waveguide filter 13 is in radial side
To the separate one end central axis oo' axial height having a size of sout, axis o3o4For sinAnd soutMiddle line, axis o3o4With center
Axis oo' is mutually perpendicular to；It is corresponded on the opposite surface of third radial direction cover board (25) and the 4th radial cover board (26) and is carved with Q
A rectangular channel, Q are positive integer；Q-th of rectangular channel radical length on third radial direction cover board (25) surface is tq, away from axis o3o4
The depth of q-th of rectangular channel is s2q-1, and the radical length of the 1st rectangular channel initial position distance center axis oo' is t0, Q
The radical length of a rectangular channel end distance center axis oo' is t, 1≤q≤Q；Q on 4th radial cover board (26) surface
A rectangular channel radical length is Tq, away from axis o3o4The depth of q-th of rectangular channel is s2q, and the 1st rectangular channel initial position distance
The radical length of central axis oo' is T0, the radical length of the Q rectangular channel end distance center axis oo' is T；
Energy synthesizes export structure (14) will be in the first radial line waveguide filter (12), the second radial line waveguide filter (13)
Microwave synthesis be transmitted to output port (22)；Energy, which synthesizes export structure (14), has rotary shaft pair about central axis oo'
Title property is radially connected connection by Y-junction (27) and the coaxial waveguide bend (28) of radial line turn and forms；
Y-junction (27) appearance is in hollow discoid, and structure is about axis o5o6Symmetrical configuration, axis o5o6With central axis oo'
It is mutually perpendicular to；Y-junction (27) by the first radial line waveguide (31), the second radial line waveguide (32), third radial line waveguide (33),
Outer radial inclined-plane (30), interior radial (29) composition；First radial line waveguide (31) and the second radial line waveguide (32) are axial
Height dimension is wy1, be connected and connect with the first radial line filter (12) and the second radial line filter (13) respectively, meet
wy1=wout=sout；The bottom end radius of interior radial (29) is ry1, tip radius ry3, value meets ry1<ry3, interior radial direction
The axial distance of inclined-plane (29) top and bottom end is wy2, top and axis o5o6Axial distance be wy3；Outer radial inclined-plane (30)
Diameter inwardly along radius be ry2, radial outer radius is ry4, value meets ry2<ry4；The waveguide of third radial line (33) axial height
Having a size of wy4, connection is connected in the radial waveguide port for turning coaxial waveguide bend (28) with radial line；
The bending radius that radial line turns coaxial waveguide bend (28) is R, and bending angle is 90 °, its coaxial waveguide port is output
Port (22), interior outer radius are respectively ry5And ry6；The radial waveguide port width that radial line turns coaxial waveguide bend (28) is wy4,
The smooth conducting of the third radial line waveguide (33) of it and Y-junction (27) connects.
2. radial line waveguide high-power microwave power combiner as described in claim 1, it is characterised in that the rin1、rin2、
rin3Value meet 0 < rin1<rin2<rin3, rin2And rin3Value meet 0 < (rin3–rin2)<0.5λg1, λg1For working frequency
For f1Waveguide wavelength of the TEM coaxial mould in first input port (20).
3. radial line waveguide high-power microwave power combiner as described in claim 1, it is characterised in that the rh1、rh2、
rh3、rh4、rh5、rh6、wh1、wh2、wh3、wh4、wh5、wh6、wh7And rin1、rin2、rin3Occurrence by electromagnetic simulation software it is true
Fixed, method is with the working frequency of transmission in first input port (20) for f1TEM coaxial mould filtered to the first radial line waveguide
The working frequency f transmitted in the TEM mould and the second input port (21) transmitted in wave device (12)2Circular waveguide TM01Mould is to second
It is optimization aim, f that the transfer efficiency of the TEM mould transmitted in radial line waveguide filter (13) reaches 100% as far as possible1≠f2, lead to
Cross setting rh1、rh2、rh3、rh4、rh5、rh6、wh1、wh2、wh3、wh4、wh5、wh6、wh7And rin1、rin2、rin3The initial value of parameter, benefit
It is optimized with electromagnetic simulation software, obtained output result is rh1、rh2、rh3、rh4、rh5、rh6、wh1、wh2、wh3、wh4、
wh5、wh6、wh7And rin1、rin2、rin3The value of parameter.
4. radial line waveguide high-power microwave power combiner as described in claim 1, it is characterised in that described first is radial
The parameter value of the rectangular channel of line waveguide filter (12) is according to working frequency f1And f2And the requirement of bandwidth of operation, by electromagnetism
Simulation software optimization design, and meet 0.1 λg1<w1, 0.1 λg1<w2..., 0.1 λg1<w2K-1, 0.1 λg1<w2K, l=L, lk=Lk,
0.1λg1<lk, K takes the integer between 2~15；Wherein L=L0+L1+...+Lk+...+LK-1+LK, l=l0+l1+...+lk+...+
lK-1+lK。
5. radial line waveguide high-power microwave power combiner as described in claim 1, it is characterised in that described second is radial
The parameter value of the rectangular channel of line waveguide filter (13) is according to working frequency f1And f2And the requirement of bandwidth of operation, by electromagnetism
Simulation software optimization design, and 0.1 λ should be metg2<s1, 0.1 λg2<s2..., 0.1 λg2<s2Q-1, 0.1 λg2<s2Q, t=T, tq=
Tq, 0.1 λg2<tq, Q takes the integer between 2~15；Wherein T=T0+T1+...+Tq+...+TQ-1+TQ, t=t0+t1+...+tq
+...+tQ-1+tQ, λg2It is f for working frequency2Radial line waveguide TEM mould waveguide wavelength.
6. radial line waveguide high-power microwave power combiner as described in claim 1, it is characterised in that the radial line turns
The r of coaxial waveguide bend (28)y5And ry6Value meet 0 < ry5<ry6, and 0 < (ry6–ry5)<min(λg1, λg2)/2, min (λg1,
λg2) indicate to take λg1And λg2Between smaller value.
7. radial line waveguide high-power microwave power combiner as described in claim 1, it is characterised in that the radial line turns
The structural parameters r of coaxial waveguide bend (28)y1、ry2、ry3、ry4、、ry5、ry6、wy1、wy2、wy3、wy4Pass through electricity with the specific value of R
Magnetic simulation software determines that method is with the TEM coaxial mould of the TEM mould of the first radial line waveguide (31) transmission to output port (22)
Single mode transport efficiency with > 99% is optimization aim, by setting ry1、ry2、ry3、ry4、、ry5、ry6、wy1、wy2、wy3、wy4With
The initial value of R parameter, is optimized using electromagnetic simulation software, and obtained output result is ry1、ry2、ry3、ry4、、ry5、
ry6、wy1、wy2、wy3、wy4With the value of R parameter.
8. radial line waveguide high-power microwave power combiner as described in claim 1, it is characterised in that in coaxially injection wave
Lead (11) and the first radial line waveguide filter (12), the second radial line waveguide filter (13), energy synthesis export structure
(14) junction is connected, meets sin=wh4, win=wh7, sout=wout=wy1。
9. the radial line waveguide high-power microwave power combiner as described in claim 3 or 4 or 5 or 7, it is characterised in that in institute
It states electromagnetic simulation software and refers to CST STUDIO SUITE.
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110534907A (en) * | 2019-09-24 | 2019-12-03 | 中国人民解放军国防科技大学 | Dual-band cross mode conversion antenna |
| CN111463539A (en) * | 2020-05-29 | 2020-07-28 | 四川大学 | Three-dimensional multipath radial power divider |
| CN115133242A (en) * | 2022-06-10 | 2022-09-30 | 中国人民解放军国防科技大学 | Single-port mode converter injected from direction of diode |
| CN115312997A (en) * | 2022-08-25 | 2022-11-08 | 中国人民解放军国防科技大学 | Compact high-power microwave TM01-TE01 mode converter |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104662733A (en) * | 2012-08-27 | 2015-05-27 | 西门子研究中心有限责任公司 | RF power combiner functioning as higher-order harmonics filter |
| JP2017076881A (en) * | 2015-10-15 | 2017-04-20 | 新日本無線株式会社 | Power combiner/distributor |
| CN106992348A (en) * | 2017-04-14 | 2017-07-28 | 电子科技大学 | The broadband radial waveguide power divider/synthesizer of one species cycloid transition structure |
| US20170338539A1 (en) * | 2016-05-18 | 2017-11-23 | Continental Microwave and Tool Co., Inc. | N-way, ridged waveguide, radial power combiner/divider |
| CN107732400A (en) * | 2017-08-31 | 2018-02-23 | 电子科技大学 | A kind of millimeter wave broadband ridge probe radial waveguide power divider/synthesizer |
-
2019
- 2019-01-24 CN CN201910069336.6A patent/CN109687085B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104662733A (en) * | 2012-08-27 | 2015-05-27 | 西门子研究中心有限责任公司 | RF power combiner functioning as higher-order harmonics filter |
| JP2017076881A (en) * | 2015-10-15 | 2017-04-20 | 新日本無線株式会社 | Power combiner/distributor |
| US20170338539A1 (en) * | 2016-05-18 | 2017-11-23 | Continental Microwave and Tool Co., Inc. | N-way, ridged waveguide, radial power combiner/divider |
| CN106992348A (en) * | 2017-04-14 | 2017-07-28 | 电子科技大学 | The broadband radial waveguide power divider/synthesizer of one species cycloid transition structure |
| CN107732400A (en) * | 2017-08-31 | 2018-02-23 | 电子科技大学 | A kind of millimeter wave broadband ridge probe radial waveguide power divider/synthesizer |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110534907A (en) * | 2019-09-24 | 2019-12-03 | 中国人民解放军国防科技大学 | Dual-band cross mode conversion antenna |
| CN111463539A (en) * | 2020-05-29 | 2020-07-28 | 四川大学 | Three-dimensional multipath radial power divider |
| CN115133242A (en) * | 2022-06-10 | 2022-09-30 | 中国人民解放军国防科技大学 | Single-port mode converter injected from direction of diode |
| CN115133242B (en) * | 2022-06-10 | 2023-09-26 | 中国人民解放军国防科技大学 | Single-port mode converter injected from diode direction |
| CN115312997A (en) * | 2022-08-25 | 2022-11-08 | 中国人民解放军国防科技大学 | Compact high-power microwave TM01-TE01 mode converter |
| CN115312997B (en) * | 2022-08-25 | 2023-12-01 | 中国人民解放军国防科技大学 | Compact high-power microwave TM01-TE01 mode converter |
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