CN104183445B - A kind of compact relativistic magnetron with TE10 output mode - Google Patents
A kind of compact relativistic magnetron with TE10 output mode Download PDFInfo
- Publication number
- CN104183445B CN104183445B CN201410452109.9A CN201410452109A CN104183445B CN 104183445 B CN104183445 B CN 104183445B CN 201410452109 A CN201410452109 A CN 201410452109A CN 104183445 B CN104183445 B CN 104183445B
- Authority
- CN
- China
- Prior art keywords
- magnetron
- output
- axial
- cavity
- changeover portion
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Microwave Tubes (AREA)
Abstract
The invention belongs to the microwave source technical field in High-Power Microwave technology, it is purer to be specifically related to a kind of microwave mode that can make axially to export, the overall compact relativistic magnetron with rectangle TE10 output mode of whole system.For the problem that the most axially output relativistic magnetron needs purer single output mode, the problem being difficult to meet the demand of the aspect such as densification, miniaturization with existing axial output relativistic magnetron, propose a kind of novel relativistic magnetron, the improvement by anode of magnetron structure of this magnetron, axially export the design of changeover portion, the design of rectangle output waveguide and the design of externally-applied magnetic field system, it is possible not only to directly axially export purer rectangle TE10 modes microwave, and so that whole system more densification, miniaturization.
Description
Technical field
The invention belongs to the microwave source technical field in High-Power Microwave technology, be specifically related to a kind of can make axially to export
Microwave mode is purer, the overall compact relativistic magnetron with TE10 output mode of whole system.
Background technology
The authoritative sources James Benford in U.S.'s High-Power Microwave field is from the High Power Microwave System of development of practical type
Angle is set out, it is indicated that four developing direction of following high-power microwave source: (1) reduces system dimension and weight comprehensively, improves
Power dissipation ratio；(2) high repetition frequency work；(3) frequency-tunable；(4) long-life.In order to meet sending out of following high-power microwave source
Exhibition application demand, develops practical high-power microwave source, has simple in construction, and efficiency is high, frequency-adjustable, is suitable for long pulse
With one of relativistic magnetron objects having become the extensive research of people of feature such as high repetition frequency operation.Compare radially
For output relativistic magnetron, the overall compact axial output relativistic magnetron of structure is reducing system dimension and weight comprehensively
Amount aspect has bigger advantage, thus becomes a big focus of recent research.
1 state of development axially exporting relativistic magnetron
2006, University of New Mexico of U.S. professor M.I.Fuks et al. was by adjusting the axial output port of A6 magnetron
It is transitioned into number 2,3 and 6 of subtended angle groove structure of circular cone output loudspeaker, simulated implementation magnetron difference radiation mode
The axial output of TE11, TE01 and TE31.Under the working condition of 700kV and 0.6T, this magnetron is operated in π pattern, work
Frequency is 2.18GHz, and output is at about 600MW [M.I.Fuks, N.F.Kovalev, A.D.Andreev, and
E.Schamiloglu.Mode conversion in a magnetron with axial extraction of
radiation[J].IEEE Trans.Plasma Sci.,vol.34,no.3,p.620,Jun.2006.】。
2007, Japan Changgong technology university M.Daimon et al. carried on the Research foundation of E.Schamiloglu et al.
Go out a kind of improved structure axially exports relativistic magnetron [M.Daimon, W.Jiang.Modified
configuration of relativistic magnetron with diffraction output for
efficiency improvement[J].Appl.Phys.Lett,2007,91(19):191503.】.This magnetron passes through
Axially the transition structure of output increases angle variables Ф0So that magnetron power conversion efficiency is increased dramatically, mould
Intend obtaining the result that power conversion efficiency is 37%.2008, it is the most defeated that they the most also demonstrate improved structure
Go out raising [M.Daimon, K.Itoh, the W.Jiang.Experimental demonstration of of power
relativistic magnetron with modified output configuration[J].Appl.Phys.Lett.,
2008,92(19):191504.】。
2009, China National University of Defense technology doctor Li Wei et al. was for axially output relativistic magnetron radiation TE11 mould
Formula weak effect, inefficient situation, propose a kind of insertion in the symmetrical subtended angle groove of axial export structure and have certain size knot
The heavy duty detergent structure of the changeover portion of structure, the most preferably achieves the microwave radiation of TE11 pattern, improves again power efficiency, particle
Simulation precision is up to 43%[W.Li and Y.-G.Liu.An efficient mode conversion
configuration in relativistic magnetron with axial diffraction output[J]
.J.Appl.Phys.,vol.106,no.5,pp.053303–055305,Sep.2009.】.2013, they were the most also
Demonstrate heavy duty detergent structure be conducive to output characteristics improvement [Wei Li, Yong-gui Liu, Jun Zhang, Di-fu Shi,
and Wei-qi Zhang.Experimental investigations on the relations between
configurations and radiation patterns of a relativistic magnetron with
diffraction output[J].J.Appl.Phys.,vol.113,no.2,pp.023304-1–023304-4,
Jan.2013.】。
Although the axially output relativistic magnetron reported at present is in terms of output mode characteristic and power conversion efficiency
Have greatly improved, but whole system structure still has deficiency in terms of densification and miniaturization.
The state of development of 2 compact relativistic magnetrons
2011, China National University of Defense technology doctor Li Wei et al. was in axially output relativistic magnetron interaction region
The problem of electron beam long-distance axial drift, it is proposed that a kind of modified model externally-applied magnetic field structure [W.Li and
Y.G.Liu.Modified magnetic field distribution in relativistic magnetron with
diffraction output for compact operation[J].Phys.Plasmas,vol.18,no.2,
pp.023103-1–023103-4,Feb.2011.】.This magnetic field structure is by loading one group of axial magnetic in output circular waveguide front end
The solenoid that field is reverse with magnetron interaction region axial magnetic field so that axially drift electron bundle is beaten quickly and axially exported knot
On structure, not only increase power conversion efficiency, and reduce the axial dimension of axial export structure.2012, they were in reality
Demonstrate this externally-applied magnetic field structure and improving efficiency, reduce effect [Wei Li, Yong-gui in terms of physical dimension
Liu,Ting Shu,Han-wu Yang,Yu-wei Fan,Cheng-wei Yuan,and Jun Zhang.Experimental
demonstration of a compact high efficient relativistic magnetron with
directly axial radiation[J].Phys.Plasmas,vol.19,no.1,pp.013105-1–013105-4,
Jan.2012.】。
2012, University of New Mexico of U.S. doctor C.Leach et al. was direct by the axial output port at magnetron
Connect an output circular waveguide identical with magnetron radius size, have studied in magnetron different number of output cavity to output
The impact of characteristic.Particle simulation shows that this novel axial export structure makes whole system structure in the axial direction and the most more
Densification and miniaturization, so that electron beams drift distance is shorter, externally-applied magnetic field system is more compact, and output mode is purer
Only.The most optimized this magnetron power conversion efficiency of structure is at about 14% [C.Leach, S.Prasad, M.Fuks, and
E.Schamiloglu.Compact relativistic magnetron with Gaussian radiation pattern
[J].IEEE Trans.Plasma Sci.,vol.40,no.11,pp.3116–3120,Nov.2012.】。
At present, although in the world the research work of axially output relativistic magnetron being realized different output mode, carry
The aspects such as high power conversion efficiency, reduction system dimension and weight, and raising output mode purity achieve greater advance, but
It is that whole system is more compact about simultaneously output mode being made purer, and the higher axially output of power conversion efficiency is relatively
The report of opinion magnetron is the most rare, therefore, has important for having the research of the relativistic magnetron of above feature simultaneously
Value.
Summary of the invention
The technical problem to be solved in the present invention is to need purer list for the most axially output relativistic magnetron
The problem of one output mode, and existing axial output relativistic magnetron is difficult to meet the demand of the aspect such as densification, miniaturization
Problem, it is proposed that a kind of compact relativistic magnetron with TE10 output mode, this magnetron passes through anode of magnetron
The improvement of structure, axially the output design of changeover portion, the design of rectangle output waveguide and the design of externally-applied magnetic field system, not only
Can the most axially export purer rectangle TE10 modes microwave, and so that whole system more densification, little
Type.
The technical solution adopted for the present invention to solve the technical problems is:
A kind of compact relativistic magnetron with TE10 output mode, by coaxial input structure, cavity resonator structure, axle
To output changeover portion, rectangle output waveguide and externally-applied magnetic field system composition.The resonance of the coaxial axial external magnetron of input structure
Cavity configuration, the axial external axial output changeover portion of cavity resonator structure of magnetron, axially the output axial boundary rectangle of changeover portion is defeated
Going out waveguide, externally-applied magnetic field system is arranged on coaxial input structure, magnetron cavity structure and axially exports the periphery of changeover portion
Cylindrical space region.
Described coaxial input structure is made up of negative electrode connecting rod and coaxial urceolus.Negative electrode connecting rod is axial with coaxial urceolus
Centrage overlaps.Negative electrode connecting rod radius and magnetron cathode radius RcEqual, coaxial urceolus internal diameter and magnetron cavity half
Footpath RvEqual.
Described cavity resonator structure by have 2 (2N+1) individual resonator cavity typical magnetron structure (wherein N=1,2,3,4,5
) and the improved structure composition of magnetron Anodic block.The typical magnetron structure with 2 (2N+1) individual resonator cavity is mainly wrapped
Include negative electrode and anode.Negative electrode is fixed in the negative electrode connecting rod in coaxial input structure, is positioned at the longitudinal center line of coaxial urceolus
On.The anode block of 2 (2N+1) the individual edge coaxial outer tube inner wall angular period profile of circumference constitutes anode.Chamber between anode block is constituted
Resonator cavity.Magnetron is operated in π pattern, and i.e. in magnetron, the electric field phase of adjacent two resonator cavitys differs 180 degree.Magnetron
The improved structure of Anodic block refers to the slippery inner surface of each anode block transform as the interior table with groove or raised structures
Face.Wherein, the structure of groove and projection is the most angularly alternately distributed on anode block inner surface, groove or projection angular in
Heart line all overlaps with the angular centrage of place anode block, the axial length of groove or projection all with the axial length H of anode blockm
Identical, Δ RrWith Δ RpRepresent groove and the radial depth of raised structures, θ respectivelyrAnd θpRepresent groove and raised structures respectively
Angular width.Groove determines according to effect of optimization with radial depth and the angular width of projection.
Described axial output changeover portion is by the interaction region axial transitions section of magnetron, output cavity axial transitions section and non-defeated
Going out chamber axial transitions section composition, entire length is Hc.The port cross-sectional disc of the interaction region of magnetron and rectangle output waveguide
The linear gradient changeover portion formed between the inscribed circle cross section at center, constitutes interaction region axial transitions section.Choose magnetron
In one group angularly relative to two resonator cavitys, named output cavity, and by named for other resonator cavitys non-output cavity.Output cavity
The linear gradient changeover portion formed between the cross section of port cross-sectional face and rectangle output waveguide, constitutes output cavity axial transitions
Section.
Non-output cavity axial transitions section uses two schemes.Scheme one: the port cross-sectional face of each non-output cavity with about
The inclined angle alpha of axis direction is radially-inwardly gradient to interaction region axial transitions section, constitutes non-output cavity axial transitions section, wherein
Inclined angle alpha determines according to effect of optimization.Sun between port cross-sectional face and this two chamber of the non-output cavity that scheme two: two is adjacent
The most external angular width in block port cross-sectional face, pole is equal and axial length is HfFan-shaped waveguide, constitute non-output
Chamber axial transitions section, wherein length HfDetermine according to effect of optimization.
Described rectangle output waveguide is made up of the rectangular waveguide of an a width of W of a length of L.The longitudinal center line of rectangular waveguide and magnetic
The longitudinal center line of keyholed back plate overlaps.Length L and the width W of rectangular waveguide cross section determine according to effect of optimization.
Described externally-applied magnetic field system is made up of two solenoids.At coaxial input structure, the cavity resonator structure of magnetron and
Axially exporting the surrounding cylindrical area of space of changeover portion, the axial direction around magnetron loads two groups of solenoids, represents respectively
For solenoid I and solenoid II.The both sides of the axial centre plane of two groups of solenoid separation magnetron cavity structures.Two groups of spiral shells
Spool synchronizes to trigger, and the axial magnetic field size and Orientation produced in magnetron interaction region is consistent.
Use the present invention can reach techniques below effect:
(1) the compact relativistic magnetron of a kind of TE10 of having output mode is made by the improved structure of design anode block
The microwave Induction Peried obtaining magnetron output is shorter, and power conversion efficiency is higher.
(2) design axially output changeover portion not only makes to be operated in the magnetron in π pattern and the most axially exports rectangle
TE10 modes microwave, and make axially to export changeover portion more densification and miniaturization on radial and axial, also make mutually
In active region, the electronics of axially drift is beaten rapidly on axially output changeover portion, decreases drift electron to output microwave energy
Absorption probability, improves power conversion efficiency.
(3) design externally-applied magnetic field system makes the distribution of axial magnetic field in interaction region more uniform, electron beam and microwave
Interaction more abundant, and whole magnetrons systems more densification and miniaturization.
Accompanying drawing explanation
Fig. 1 is the overall longitudinal section of a kind of compact relativistic magnetron with TE10 output mode of the present invention；
Fig. 2 is the cross-sectional view of coaxial input structure；
Fig. 3 is the composition diagram of magnetron cavity structure: the axonometric chart of (a) magnetron cavity structure, (b) magnetron is humorous
The cross-sectional view of resonator structure, the longitudinal section of (c) magnetron cavity structure；
Fig. 4 is the composition diagram axially exporting changeover portion design one:
A () axially exports the axonometric chart of changeover portion, the axonometric chart of (b) axially vacuum section of output changeover portion, (c) is axial
The longitudinal section of output changeover portion and the cross-sectional view of two-port thereof, the cross section at (d) axially output changeover portion axial centre
Figure；
Fig. 5 is the composition diagram axially exporting changeover portion design two:
A () axially exports the axonometric chart of changeover portion, the axonometric chart of (b) axially vacuum section of output changeover portion, (c) is axial
The longitudinal section of output changeover portion and the cross-sectional view of two-port thereof, the cross section at (d) axially output changeover portion axial centre
Figure；
Fig. 6 is the cross-sectional view of rectangle output waveguide；
Fig. 7 is the composition diagram of externally-applied magnetic field system:
The axonometric chart of (a) externally-applied magnetic field system, the longitudinal section of (b) externally-applied magnetic field system.
Detailed description of the invention
Below in conjunction with the accompanying drawings the detailed description of the invention of the present invention is made an explanation:
A kind of compact relativistic magnetron with TE10 output mode, by coaxial input structure 1, cavity resonator structure 2,
Axially output changeover portion 3, rectangle output waveguide 4 and externally-applied magnetic field system 5 form, as it is shown in figure 1, coaxial input structure 1 is axial
The cavity resonator structure 2 of external magnetron, the axial external axial output changeover portion 3 of cavity resonator structure 2 of magnetron, axially exported
The axial boundary rectangle output waveguide 4 of the section of crossing 3, externally-applied magnetic field system 5 is arranged on coaxial input structure 1, magnetron cavity structure 2
With the surrounding cylindrical area of space axially exporting changeover portion 3.
Described coaxial input structure 1 is as shown in Figure 2.Wherein, 101 is negative electrode connecting rod, and 102 is coaxial urceolus.Negative electrode is even
Extension bar 101 overlaps with the longitudinal center line of coaxial urceolus 102.Negative electrode connecting rod 101 radius and magnetron cathode radius RcIt is equal,
Coaxial urceolus 102 internal diameter and magnetron cavity radius RvEqual.
The design of described cavity resonator structure 2 is as shown in Figure 3.Wherein, 102 is coaxial urceolus, and 201 is negative electrode, and 202 is sun
Pole, 203 is resonator cavity, and 204 is groove, and 205 is projection.Rc、RaAnd RvIt is respectively cathode radius, anode radius resonant cavity half
Footpath；θ is resonator cavity subtended angle；HmAxial length for anode block；ΔRrWith Δ RpRepresent that the radial direction of groove and raised structures is deep respectively
Degree, θrAnd θpRepresenting groove and the angular width of raised structures respectively, their value determines according to effect of optimization.
Described cavity resonator structure 2 by have 2 (2N+1) individual resonator cavity typical magnetron structure (wherein N=1,2,3,4,5
) and the improved structure composition of magnetron Anodic block.The typical magnetron structure with 2 (2N+1) individual resonator cavity is mainly wrapped
Include negative electrode 201 and anode 202.Negative electrode 201 is fixed in the negative electrode connecting rod 101 in coaxial input structure 1, is positioned at coaxial urceolus
On the longitudinal center line of 102.The anode block of 2 (2N+1) the individual edge coaxial outer tube inner wall angular period profile of circumference constitutes anode 202.
Chamber between anode block constitutes resonator cavity 203.The improved structure of magnetron Anodic block refer to by each anode block smooth in
Surface modification is to have groove 204 or the inner surface of projection 205 structure.Wherein, groove is the most angularly handed over the structure of projection
For being distributed on anode block inner surface, the angular centrage of groove or projection all overlaps with the angular centrage of place anode block,
The axial length of groove or projection all with the axial length H of anode blockmIdentical.
By above design, when 2 (2N+1) chamber magnetron is operated in π pattern, adjacent two resonator cavitys in magnetron
Electric field phase differs 180 degree so that angularly relative to the direction of an electric field of two resonator cavitys consistent.Recessed by arranging on anode block
The microwave Induction Peried that groove and projection make magnetron export is shorter, and power conversion efficiency is higher.
The design of described axial output changeover portion 3 is as shown in Figure 4, Figure 5.Wherein, Fig. 4 is scheme one, and Fig. 5 is scheme two,
301 is the transversal disc of magnetron interaction region port, and 302 is the inscribed circle cross section at rectangle output waveguide center, and 303 is mutual
Active region axial transitions section, 304 is the port cross-sectional face of magnetron output cavity, and 305 is the cross section of rectangle output waveguide, 306
For output cavity axial transitions section, 307 is the port cross-sectional face of the non-output cavity of magnetron, and 308 is non-output cavity axial transitions section, Hc
For axially exporting the axial length of changeover portion, α be in scheme one non-output cavity about the inclination of axis direction radially-inwardly gradual change
Angle, HfThe axial length of the fan-shaped waveguide the most external for output cavity non-in scheme two.
Axially output changeover portion 3 is by the interaction region axial transitions section 303 of magnetron, output cavity axial transitions section 306 and
Non-output cavity axial transitions section 308 forms, and entire length is Hc.The port cross-sectional disc 301 of the interaction region of magnetron and square
The linear gradient changeover portion formed between the inscribed circle cross section 302 at shape output waveguide center, constitutes interaction region axial transitions
Section 303.Choose in magnetron one group angularly relative to two resonator cavitys, named output cavity, and by named for other resonator cavitys
Non-output cavity.The linear gradient transition formed between port cross-sectional face 304 and the cross section 305 of rectangle output waveguide of output cavity
Section, constitutes output cavity axial transitions section 306.
Non-output cavity axial transitions section 308 uses two schemes.Scheme one: the port cross-sectional face 307 of each non-output cavity
To be radially-inwardly gradient to interaction region axial transitions section 303 about the inclined angle alpha of axis direction, constitute the axial mistake of non-output cavity
The section of crossing 308, wherein inclined angle alpha determines according to effect of optimization.The port cross-sectional face 307 of the non-output cavity that scheme two: two is adjacent
An angular width the most external with the anode block port cross-sectional face between this two chamber is equal and axial length is HfFan
Shape waveguide, constitutes non-output cavity axial transitions section 308, wherein length HfDetermine according to effect of optimization.
By above design, axially output changeover portion 3 not only makes 2 (2N+1) chamber magnetron being operated in π pattern straight
Spindle is to output rectangle TE10 modes microwave, and makes axially to export changeover portion more densification and little on radial and axial
Type, also makes the electronics of axially drift in interaction region beat rapidly on axially output changeover portion, decreases drift electron pair
The absorption probability of output microwave energy, improves power conversion efficiency.
The design of described rectangle output waveguide 4 is as shown in Figure 6.Wherein, L and W is respectively the length of rectangular waveguide cross section
And width.The longitudinal center line of rectangular waveguide overlaps with the longitudinal center line of magnetron.For the fixing frequency being operated in π pattern
2 (2N+1) chamber magnetron of rate, length L and the width W of rectangle output waveguide cross section not only affect magnetron output mode
Transmission and cut-off, and affect the power conversion efficiency of magnetron, therefore their value needs to determine according to effect of optimization.
By above design, 2 (2N+1) chamber magnetron of the fixed frequency for being operated in π pattern, rectangle output wave
Lead 4 on the premise of ensureing the magnetron pure rectangle TE10 pattern of output, by adjusting length or width, the energy of rectangular waveguide
The power conversion efficiency enough making magnetron is improved.
The design of described externally-applied magnetic field system 5 is as shown in Figure 7.Wherein, 501 is solenoid I, and 502 is solenoid II.Same
Axle input structure, the cavity resonator structure of magnetron and the axial surrounding cylindrical area of space exporting changeover portion, around magnetron
Axial direction loads two groups of solenoids 501 and 502, is expressed as solenoid I and solenoid II.Two groups of solenoid separation magnetic controls
The both sides of the axial centre plane of pipe cavity resonator structure.Two groups of solenoids synchronize to trigger, and produce in magnetron interaction region
Axial magnetic field size and Orientation consistent.
By above design, externally-applied magnetic field system 5 not only makes the distribution of axial magnetic field in interaction region more uniform, electricity
Son bundle is more abundant with the interaction of microwave, and makes whole magnetrons systems more densification and miniaturization.
According to the design simulation of scheme one achieve operating frequency be 2.50GHz there is the tight of rectangle TE10 output mode
(corresponding size is designed as: R to gather type relativistic magnetronc=10.0mm, Ra=21.0mm, Rv=42.1mm, Δ Rr=Δ Rp=
1.0mm, θ=20 °, θr=θp=5 °, Hm=72mm, Hc=100.0mm, α=68.8 °, L=84.2mm, W=24.0mm, N=
1).Being 360kV in running voltage, under conditions of axial magnetic field is 0.4T, output microwave power is 409.2MW, power conversion effect
Rate is 21.9%, and microwave Induction Peried is 25ns.
According to the design simulation of scheme two achieve operating frequency be 2.52GHz there is the tight of rectangle TE10 output mode
(corresponding size is designed as: R to gather type relativistic magnetronc=10.0mm, Ra=21.0mm, Rv=42.1mm, Δ Rr=Δ Rp=
1.0mm, θ=20 °, θr=θp=5 °, Hm=72mm, Hc=100.0mm, Hf=75mm, L=84.2mm, W=24.0mm, N=
1).Being 360kV in running voltage, under conditions of axial magnetic field is 0.4T, output microwave power is 419.0MW, power conversion effect
Rate is 24.0%, and microwave Induction Peried is 25ns.
The above is only the preferred embodiment of the present invention, and protection scope of the present invention is not limited merely to above-mentioned enforcement
Example, all technical schemes belonged under thinking of the present invention belong to protection scope of the present invention.
Claims (2)
1. a compact relativistic magnetron with TE10 output mode, it is characterised in that: described magnetron is by the most defeated
Enter structure (1), cavity resonator structure (2), axially export changeover portion (3), rectangle output waveguide (4) and externally-applied magnetic field system (5) group
Becoming, the axial external described cavity resonator structure (2) of described coaxial input structure (1), described cavity resonator structure (2) is axial external described
Axially export changeover portion (3), the axial external described rectangle output waveguide (4) of described axial output changeover portion (3), described additional magnetic
Field system (5) is arranged on described coaxial input structure (1), cavity resonator structure (2) and axially exports the surrounding cylindrical of changeover portion (3)
Area of space；
Described coaxial input structure (1) is made up of negative electrode connecting rod (101) and coaxial urceolus (102), negative electrode connecting rod (101) with
The longitudinal center line of coaxial urceolus (102) overlaps, negative electrode connecting rod (101) radius and magnetron cathode radius RcEqual, meet Rc
=10.0mm, coaxial urceolus (102) internal diameter and magnetron cavity radius RvEqual, meet Rv=42.1mm；
Described cavity resonator structure (2) is by having the typical magnetron structure of 2 (2N+1) individual resonator cavity and magnetron Anodic block
Improved structure forms, N=1, described in have the typical magnetron structure of 2 (2N+1) individual resonator cavity mainly include negative electrode (201) and
Anode (202), described negative electrode (201) is fixed in the negative electrode connecting rod (101) in coaxial input structure (1), outside being positioned at coaxially
On the longitudinal center line of cylinder (102), described anode (202) is by 2 (2N+1) individual edge coaxial urceolus (102) the inwall circumference angular cycle
The anode block of distribution is constituted, and the chamber between anode block constitutes resonator cavity (203), anode radius Ra=21.0mm；Described magnetron
The improved structure of Anodic block is that the slippery inner surface of each anode block is designed with groove (204) or projection (205) knot
The inner surface of structure, wherein, groove (204) is the most angularly alternately distributed on anode block inner surface with the structure of projection (205),
The angular centrage of groove (204) or projection (205) all overlaps with the angular centrage of place anode block, groove (204) or prominent
Rise the axial length of (205) all with the axial length H of anode blockmIdentical, meet Hm=72mm, Δ RrWith Δ RpRepresent recessed respectively
Groove (204) and the radial depth of projection (205) structure, θrAnd θpRepresent the angular of groove (204) and projection (205) structure respectively
Width, groove (204) determines according to effect of optimization with radial depth and the angular width of projection (205), wherein, groove (204)
Radial depth Δ RrRadial depth Δ R with projection (205)pMeet: Δ Rr=Δ Rp=1.0mm, groove (204) angular
Width θrAngular width θ with projection (205)pMeet: θr=θp=5 °；
Described axial output changeover portion (3) is by interaction region axial transitions section (303) of magnetron, output cavity axial transitions section
(306) forming with non-output cavity axial transitions section (308), entire length is Hc, meet Hc=100.0mm, described magnetron mutual
Formed between port cross-sectional disc (301) and the inscribed circle cross section (302) at rectangle output waveguide center of active region is linear
Gradual transition section, constitutes interaction region axial transitions section (303), choose in magnetron one group angularly relative to two resonator cavitys,
Named output cavity, and by named for other resonator cavitys non-output cavity, the port cross-sectional face (304) of output cavity and rectangle output wave
The linear gradient changeover portion formed between the cross section (305) led, constitutes output cavity axial transitions section (306)；Each non-output
The port cross-sectional face (307) in chamber is to be radially-inwardly gradient to the axial mistake in interaction region about the inclined angle alpha in magnetron axis direction
The section of crossing (303), constitutes non-output cavity axial transitions section (308), and wherein inclined angle alpha determines according to effect of optimization, meet α=
68.8°；
Described rectangle output waveguide (4) is made up of the rectangular waveguide of an a width of W of a length of L, the longitudinal center line of described rectangular waveguide
Overlapping with the longitudinal center line of magnetron, length L and the width W of rectangular waveguide cross section determine according to effect of optimization, meet L=
84.2mm, W=24.0mm；
Described externally-applied magnetic field system (5) is made up of two groups of solenoids, at coaxial input structure (1), cavity resonator structure (2) and axially
The surrounding cylindrical area of space of output changeover portion (3), the axial direction around magnetron loads two groups of solenoids, is expressed as
Solenoid I (501) and solenoid II (502), the axial centre plane of two groups of solenoids separation magnetron cavity structure (2)
Both sides, two groups of solenoids synchronize to trigger, and the axial magnetic field size and Orientation produced in magnetron interaction region is consistent.
2. a compact relativistic magnetron as claimed in claim 1 with TE10 output mode, it is characterised in that: described
Axially export the port cross-sectional by two adjacent non-output cavities of non-output cavity axial transitions section (308) in changeover portion (3)
The most external angular width in anode block port cross-sectional face between face (307) with this two chamber is equal and axial length is
HfFan-shaped waveguide constitute, wherein length HfDetermine according to effect of optimization, meet Hf=75mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410452109.9A CN104183445B (en) | 2014-09-05 | 2014-09-05 | A kind of compact relativistic magnetron with TE10 output mode |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410452109.9A CN104183445B (en) | 2014-09-05 | 2014-09-05 | A kind of compact relativistic magnetron with TE10 output mode |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104183445A CN104183445A (en) | 2014-12-03 |
| CN104183445B true CN104183445B (en) | 2016-08-24 |
Family
ID=51964411
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410452109.9A Active CN104183445B (en) | 2014-09-05 | 2014-09-05 | A kind of compact relativistic magnetron with TE10 output mode |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104183445B (en) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104465276B (en) * | 2014-12-08 | 2016-08-24 | 中国人民解放军国防科学技术大学 | Compact axially exports the relativistic magnetron of TE11 pattern |
| CN104992892B (en) * | 2015-07-17 | 2017-01-18 | 中国工程物理研究院应用电子学研究所 | Permanent-magnet packaging relativistic magnetron |
| CN105869973B (en) * | 2016-05-11 | 2017-06-16 | 中国人民解放军国防科学技术大学 | Axially export the compact magnetron of circular polarisation TE11 coaxial waveguide patterns |
| CN108807117A (en) * | 2018-05-23 | 2018-11-13 | 电子科技大学 | A kind of double note double frequency relativistic magnetrons of L-band |
| 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 |
| CN109935507B (en) * | 2019-03-08 | 2020-11-20 | 长沙魔豆智能科技有限公司 | Magnetron coaxial Gaussian mode microwave extractor |
| CN110379691B (en) * | 2019-04-29 | 2021-02-02 | 电子科技大学 | Compact high-efficiency axial output TE51Mode relativistic magnetron |
| CN111933501B (en) * | 2020-07-22 | 2021-09-24 | 电子科技大学 | Virtual cathode inverted relativistic magnetron |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201820733U (en) * | 2010-07-28 | 2011-05-04 | 南京三乐电子信息产业集团有限公司 | Passive coaxial gain balancer of travelling wave pipe |
| CN102510654A (en) * | 2011-10-18 | 2012-06-20 | 大连理工大学 | Atmospheric-pulse-modulated microwave plasma generation device |
| CN103280391A (en) * | 2013-05-23 | 2013-09-04 | 中国人民解放军国防科学技术大学 | Frequency-tunable axial output relativistic magnetron |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5537002A (en) * | 1994-09-12 | 1996-07-16 | Olin Corporation | Frequency tunable magnetron including at least one movable backwall |
| US8018159B2 (en) * | 2007-05-25 | 2011-09-13 | Stc.Unm | Magnetron device with mode converter and related methods |
-
2014
- 2014-09-05 CN CN201410452109.9A patent/CN104183445B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201820733U (en) * | 2010-07-28 | 2011-05-04 | 南京三乐电子信息产业集团有限公司 | Passive coaxial gain balancer of travelling wave pipe |
| CN102510654A (en) * | 2011-10-18 | 2012-06-20 | 大连理工大学 | Atmospheric-pulse-modulated microwave plasma generation device |
| CN103280391A (en) * | 2013-05-23 | 2013-09-04 | 中国人民解放军国防科学技术大学 | Frequency-tunable axial output relativistic magnetron |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104183445A (en) | 2014-12-03 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104183445B (en) | A kind of compact relativistic magnetron with TE10 output mode | |
| CN104465276B (en) | Compact axially exports the relativistic magnetron of TE11 pattern | |
| CN111883405B (en) | Triaxial relativistic klystron amplifier capable of inhibiting non-rotational symmetric mixed modes | |
| CN104992892B (en) | Permanent-magnet packaging relativistic magnetron | |
| CN109599316B (en) | X-waveband high-gain high-efficiency triaxial relativistic klystron amplifier | |
| CN112885681B (en) | Relativistic magnetron with double-end emission cathode structure | |
| CN102208315B (en) | Compact relativity backward wave oscillator (RBWO) with adjustable low-frequency-range frequency | |
| CN104064422B (en) | A kind of small-sized all-metal slow-wave device | |
| CN104465275B (en) | Frequency-agility relativistic backward wave oscillator | |
| CN101888737B (en) | Major structure of dual-mode superconductive photocathode injector | |
| CN110379691A (en) | A kind of compact high efficient rate axial direction output TE51Mode relativistic magnetron | |
| CN106653525A (en) | Millimeter waveband transition time oscillator based on high order mode working mechanism | |
| CN107093540B (en) | A kind of relativistic magnetron of multiple antennas coupling-out structure | |
| CN105261541A (en) | High power radial line relativistic klystron amplifier | |
| CN109950115A (en) | A kind of novel double confocal waveguide gyrotron traveling wave tube high-frequency structures | |
| CN206225313U (en) | A kind of relativistic magnetron of multiple antennas coupling-out structure | |
| CN105869973B (en) | Axially export the compact magnetron of circular polarisation TE11 coaxial waveguide patterns | |
| CN204792676U (en) | Magnetic package adorns relativistic magnetron forever | |
| CN208767251U (en) | A kind of axially adjustable humorous relativistic magnetron | |
| CN114999874B (en) | High repetition frequency pulse magnetic field device for relativistic klystron amplifier | |
| CN110534386A (en) | A kind of axial direction double structure double frequency output magnetron for microwave oven | |
| CN106207319A (en) | A kind of WBFM coaxial board plug type mode converter of high conversion efficiency | |
| CN105470074A (en) | Magnetically insulated transmission line oscillator | |
| CN205319119U (en) | Magnetically insulated transmission line oscillator | |
| CN108807112A (en) | A kind of interdigital arrangement high-power pulsed ion beams of coaxial double dielectrics |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |