CN206789517U - C-band high-power klystron - Google Patents
C-band high-power klystron Download PDFInfo
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- CN206789517U CN206789517U CN201720242253.9U CN201720242253U CN206789517U CN 206789517 U CN206789517 U CN 206789517U CN 201720242253 U CN201720242253 U CN 201720242253U CN 206789517 U CN206789517 U CN 206789517U
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Abstract
The utility model provides a kind of C-band high-power klystron, including：Electronics notes generation system；High band resonances chamber system, including：High band clustering component, comprising N number of resonator, N >=3, multiple speed and density modulation are carried out to electronics note caused by electronics note generation system, ultimately form the electronics note of height clustering, carries the microwave signal of amplification；Signal input, output system, input, output microwave signal, dissipation electronics note dump energy；Body cooling system, it is connected with the water pipe of external water-cooling system, cools down resonator and signal input, output system；And outer wrapper, the outside of electronics note generation system and high band resonances chamber system is arranged at, is inputted with signal, the attached components in output system, and the discrepancy end interface of body cooling system is fixed with outer wrapper.The utility model realizes the high power amplification to input signal, and improves the ability that klystron resists extraneous physical factor interference, realizes that high power is stable and exports.
Description
Technical field
The microwave tube field that the utility model belongs in electronic component, it is related to a kind of C-band high-power klystron.
Background technology
In microwave tube, klystron has the distinguishing features such as high power, high-gain and high stability, thus quilt because of it
It is widely used in high energy acclerator, fusion research testing equipment, medical accelerator, industrial microwave heating equipment, aviation sky
The fields such as middle road monitoring radar and airport police radar.
During the observing and controlling of radar system, it can realize that the high power of C-band high-power klystron is stable and export, be to determine
Can radar system be determined complete the key factor of target observing and controlling distance.And in high power amplifier because physical factor includes
Joint cracking, rosin joint, loosening etc. or vacuum are inadequate, indoor temperature is too high, cleanliness factor is inadequate etc. easily produced problem be
Power output is unstable, if power output excursion exceeds the allowed band of klystron, power is too high or too low all can
Adverse effect is brought, when power output is too low, because signal amplification is weaker so that signal quality is poor, bit error rate rise, reaches
Fall short observing and controlling distance, it is impossible to effectively anti-interference；When power output is too high, had for channel power and channel bit error rate
Influence, it is impossible to effectively judge signal transmission quality, and when power output is higher than klystron rated power for a long time, can shorten
Klystron and the service life of waveguide, or even cause waveguide to burn.Therefore, how to optimize the design and assembling of klystron, realize
High-power stabilization is output into it and is applied to the practicality technical problem that radar system must solve.
Utility model content
(1) technical problems to be solved
The utility model provides a kind of C-band high-power klystron, at least partly to solve technology set forth above
Problem.
(2) technical scheme
According to one side of the present utility model, there is provided a kind of C-band high-power klystron, C-band high-power speed
Pipe is adjusted to include：Electronics note generation system 100, it produces the electronics note concentrated and advanced；High band resonances chamber system 200, including：Electricity
Electronics is noted generation system 100 and high band clustering group by sub- rifle magnetic cup 210 and high band clustering component 220, electron gun magnetic cup 210
Part 220 is isolated, and high band clustering component 220 includes N number of resonator, N >=3, generation system is noted by electronics in multiple resonators
Electronics note undergoes multiple speed and density modulation caused by 100, ultimately forms the electronics note of height clustering, carries the microwave of amplification
Signal,；Signal input, output system 300, it carries out the input of microwave signal, output and the dissipation of electronics note dump energy；
Body cooling system 400, it is connected with the water pipe of external water-cooling system, it cools down above-mentioned N number of resonator and signal input, output
System 300；And outer wrapper 600, including：Waveguide securing plate 610, it is humorous with high band to be arranged at electronics note generation system 100
Attached components in the outside for chamber system 200 of shaking, with signal input, output system 300, and body is fixed with outer wrapper
The discrepancy end interface of cooling system 400.
Preferably, in the utility model C-band high-power klystron, the resonator number N=of high band clustering component 220
8, microwave attenuating material is coated with partial resonance cavity wall, resonator is divided into：Linearity range, comprising M resonator, M=2~
5, first resonator is input cavity；Non-linear section, include 7-M resonator；And deferent segment, include 1 resonator；Its
In, the transit angle θ between the resonator in linearity rangeq1=80~90 °, the transit angle θ between the resonator of non-property sectionq2=30~
70 °, the transit angle θ between output cavity and last ante-chamberq3=25~45 °, the transit angle θ between last ante-chamber and the first two last chamberq4=45~
50°；Resonator for playing clustering effect, chooses gap transit angle θd1=1.4~1.6, for output cavity, choose gap and cross
More angle θd2=0.8~1.2；The gap length of the drift section of corresponding resonator and the radius of electronics note, matched design drift tube
Radius：B/a=0.5~0.6, wherein b are that electronics notes radius, and a is drift tube radius；Drift head shapes are taper.
Preferably, in the utility model C-band high-power klystron, based on transit angle θqAnd gap transit angle θdTo set
Drift length L and resonator gap length d is counted, calculation formula is following formula (1) and formula (2)：
Wherein, L is drift length, θqFor transit angle, βqFor space charge wave wave number, v0Speed, ω are noted for electronicsqFor contracting
Subtract plasma angular frequency, λqTo reduce plasma wavelength.
Wherein, d is resonator gap length, θdFor gap transit angle.
Preferably, in the utility model C-band high-power klystron, electronics note generation system 100 includes：Electron gun core group
Part 110, electron gun porcelain component 120, changeover portion component 130 and electrode connection device 140, wherein, electron gun core assembly 110 is put
In the inside of electron gun porcelain component 120 and changeover portion component 130, rectify thereon to the center of electron gun magnetic cup 210；Electron gun porcelain group
The upper end of part 120 connects with changeover portion component 130, and lower end connects with electron gun core assembly 110, insulating electron rifle core assembly 110
High pressure between changeover portion component 130；Electrode connection device 140 connects with the bottom electrode of electron gun core assembly 110, auxiliary
Electron gun core assembly 110 radiates；At work, the lower end of electron gun core assembly 110, electron gun porcelain component 120, changeover portion component
130 are immersed in oil tank of transformer with electrode connection device 140, and electrode connection device 140 passes through plane contact and tank bottoms
Binding post connects.
Preferably, in the utility model C-band high-power klystron, signal input, output system 300 include：Input connects
Head assembly 310, output magnetic cup assembly 320, output waveguide component 330, output window assembly 340 and collector component 350, wherein,
The upper end of input adapter assembly 310 is microwave signal input port, is fixed in outer wrapper 600, lower end and high band clustering
Bottom resonator connects in component 220；Output magnetic cup assembly 320 connects with the top resonator of high band clustering component 220,
Be fixed on output magnetic cup assembly 320 the top is collector component 350, the dump energy of its dissipation electronics note, and with it is external
Water-cooling system be connected；The upper right side of output waveguide component 330 connects with output window assembly 340, exports the microwave letter of amplification
Number.
Preferably, in the utility model C-band high-power klystron, signal input, output system 300 include：Input connects
Head assembly 310, output magnetic cup assembly 320, output waveguide component 330, output window assembly 340 and collector component 350, wherein,
Electron gun magnetic cup 210 and the size and mutual distance and external focusing magnetic field and oil tank of transformer for exporting magnetic cup assembly 320
Coordinate.
Preferably, in the utility model C-band high-power klystron, outer wrapper 600, changeover portion component is wrapped in respectively
130th, electron gun magnetic cup 210, high band clustering component 220, the outside of collector component 350, in the outside of output waveguide component 330
The outer wrapper 600 of parcel is waveguide securing plate 610, and/or material selection stainless steel, duralumin or the brass of outer wrapper 600.
Preferably, in the utility model C-band high-power klystron, lower end and the electron gun core of electron gun porcelain component 120
Component 110 is connected by argon arc welding；The upper end of electron gun porcelain component 120 is connected with changeover portion component 130 by argon arc welding；Input
The lower end of adapter assembly 310 is connected with bottom resonator in high band clustering component 220 using screw；Export magnetic cup assembly
320 are connected with the top resonator of high band clustering component 220 by soldering；Export the top of magnetic cup assembly 320 and collector
Component 350 is fixed by argon arc welding；The upper right side of output waveguide component 330 is connected with output window assembly 340 by argon arc welding；It is defeated
Go out window assembly 340 and carry out mechanical consolidation except with addition to, also passing through flange and bolt by argon arc welding；Outer wrapper 600 is using spelling
Insert or screw connects with electron gun magnetic cup 210, output magnetic cup assembly 320 and output waveguide component 330.
Preferably, in the utility model C-band high-power klystron, body cooling system 400 includes：Cooling duct 410,
Polytetrafluoroethylene (PTFE) water pipe 420 and stainless steel water nozzle 430, wherein, body cooling system 400 by polytetrafluoroethylene (PTFE) water pipe 420 with
The mode that stainless steel water nozzle 430 combines is by high band clustering component 220, output waveguide component 330 and output window assembly 340
Cooling duct 410 is cascaded, and its entrance and exit is separately fixed in the waveguide securing plate 610 in outer wrapper 600.
Preferably, the utility model C-band high-power klystron also includes：Vacuum system 500, including：Titanium pump component
510, it is inputted with signal, output system 300 connects, there is provided the vacuum needed inside klystron.
(3) beneficial effect
It can be seen from the above technical proposal that the utility model C-band high-power klystron have the advantages that to
It is one of few：
1st, the drift segment length in the resonator of optimization design high band clustering component, drift section gap length, resonator
The parameter such as diameter and height and drift tube head shapes, the speed to electronics note and density modulation are realized, so as to what is carried to it
Microwave signal is amplified, and realizes the high power amplification to input signal.
2nd, by optimizing assembling and the juncture of klystron, protrusion improves electrode connection device, from plane contact
Mode carry out electron gun core assembly and tank bottoms binding post assembling, contribute to the radiating of electron gun core assembly；Optimization
The size and mutual distance of design electron gun magnetic cup and output magnetic cup assembly match with externally-applied magnetic field, attached fuel tank, together
When also optimize the design of body cooling system and outer wrapper, effectively increase klystron and resist extraneous physical factor interference
Ability, ensure that klystron realizes stable high-power output, and also enhance the practicality of the C-band high-power klystron
And aesthetic property.
Brief description of the drawings
Fig. 1 is the longitudinal profile structure schematic of C-band high-power klystron in the utility model one embodiment.
Fig. 2 is the resonator subregion schematic diagram of the utility model C-band high-power klystron medium-high frequency stage group polycarboxylic component.
Fig. 3 is the utility model C-band high-power klystron medium-high frequency stage group polycarboxylic component with taper drift head shapes
Resonator schematic diagram.
Fig. 4 is the longitudinal profile structure schematic of C-band high-power klystron in second embodiment of the utility model.
【Accompanying drawing main element symbol description】
100- electronics notes generation system；
110- electron gun core assemblies；120- electron gun porcelain components；
130- changeover portion components；140- electrode connection devices；
200- high band resonances chamber systems；
210- electron gun magnetic cups；220- high band clustering components；
The input of 300- signals, output system；
310- input adapter assemblies；320- exports magnetic cup assembly；
330- output waveguide components；340- exports window assembly；
350- collector components；
400- body cooling systems；
410- cooling ducts；420- polytetrafluoroethylene (PTFE) water pipes；
430- stainless steel water nozzles；
500- vacuum systems；
510- titanium pump components；
600- outer wrappers；
610- waveguide securing plates.
Embodiment
The speed that electronics is noted and density are modulated using high band clustering component in the utility model, reached good
Clustering effect so that microwave signal notes the carrying into row information with progressively amplifying by electronics, finally realizes C-band Gao Gong
The effect of rate output.
For the purpose of this utility model, technical scheme and advantage is more clearly understood, below in conjunction with specific embodiment, and
Referring to the drawings, the utility model is further described.
In first exemplary embodiment of the present utility model, there is provided a kind of C-band high-power klystron.This implementation
Example C-band high-power klystron is the C-band high-power velocity modulation that a kind of raising power output technology using independent development is completed
Pipe is by electrical property design, engineering design, machining, welding and crunch seal technique and dries the processes such as venting gas reality
Existing, output services pattern is TE10Square wave guided mode.
Fig. 1 shows the longitudinal profile structural representation of C-band high-power klystron in the utility model one embodiment
Figure, as seen from Figure 1, the C-band high-power klystron includes：
Electronics note generation system 100, the electronics to advance note is concentrated to produce；
High band resonances chamber system 200, including electron gun magnetic cup 210 and high band clustering component 220, electron gun magnetic cup
Electronics is noted generation system 100 by 210 isolates with high band clustering component 220, and high band clustering component 220 includes N number of resonator,
N >=3, electronics note undergoes multiple speed and density modulation in multiple resonators, ultimately forms the electronics note of height clustering, carries
The microwave signal of amplification；
Signal input, output system 300, it is responsible for the dissipation of input, output and electronics the note dump energy of microwave signal；
Body cooling system 400, it is connected with the water pipe of external water-cooling system, plays cooling work part, prevents from overheating
Effect；
Vacuum system 500, including titanium pump component 510, to provide the vacuum needed inside klystron；
Outer wrapper 600, including waveguide securing plate 610, play a part of reinforcing, protect klystron.
The various pieces of this kind of C-band high-power klystron are described in detail below.
Electronics note generation system 100 includes：
Electron gun core assembly 110, electron gun porcelain component 120, changeover portion component 130 and electrode connection device 140, wherein,
Electron gun core assembly 110 is placed in the inside of electron gun porcelain component 120 and changeover portion component 130, rectifies thereon to electron gun magnetic cup
210 centers, the upper end of electron gun porcelain component 120 connect with changeover portion component 130, and lower end connects with electron gun core assembly 110, bear
Blame the high_voltage isolation between electron gun core assembly 110 and changeover portion component 130.
In the present embodiment klystron at work, the lower end of electron gun core assembly 110, electron gun porcelain component 120, changeover portion
Component 130 is immersed in oil tank of transformer with electrode connection device 140.
Electronics note generation system 100 is electromagnetic focusing mode in the present embodiment, therefore electron gun magnetic cup 210, output magnetic cup group
The design of part 320 and electrode connection device 140 matches with external focusing magnetic field and attached fuel tank, especially, electron gun magnetic cup
210 and export the size of magnetic cup assembly 320 and mutual distance and external focusing magnetic field are fitted close.
Electrode connection device 140 in the present embodiment connects with the bottom electrode of electron gun core assembly 110, has auxiliary electricity
The effect that sub- rifle core assembly 110 radiates, the electrode connection device 140 is by the electron gun core assembly 110 of the klystron and oil in addition
The binding post in bottom portion is connected by plane contact, while meeting electricity with mechanical requirements, makes monnolithic case attractive in appearance.
Drift segment length, drift section gap length, resonator diameter and the height in resonator are preferentially chosen in the present embodiment
The parameter such as degree and drift tube head shapes, to obtain maximum characteristic impedance.
Fig. 2 is the resonator subregion schematic diagram of the utility model C-band high-power klystron medium-high frequency stage group polycarboxylic component.Such as
Shown in Fig. 2, high band clustering component 220 includes N number of resonator, N >=3, the preferred N=8 of the present embodiment.
For broad-band klystron, in order to obtain the gain-bandwidth of requirement and efficiency-bandwidth characteristic, the chamber of general resonator
Number is 5~8.Typically, linear gain section includes 3~5 resonators, and the frequency distribution of its resonator makes in working band
Klystron obtains flat gain-frequency characteristic, and non-linear efficiency section includes 2~4 resonators, obtains klystron flat
Efficiency-frequency characteristic.
8 resonators can be divided into the present embodiment：Linearity range, comprising M resonator, wherein, M=2~5, first is humorous
The chamber that shakes is input cavity；Non-linear section, include (7-M) individual resonator；And deferent segment, comprising 1 resonator, linearity range with it is non-thread
Property section be according to electronics note gain-bandwidth and frequency-bandwidth characteristic distinguish, with linearity range in 8 resonators with it is non-linear
M takes 3 to be used as example in the distribution of section, and schematic diagram is as shown in Figure 2.Linearity range is low level signal amplification part, also referred to as gain section, is realized
The plus and blowup of klystron；Non-linear section further improves the clustering of electronics note, and acquisition fundamental current component is big, velocity spread
Small clustering electronics note, realizes high efficiency.According to space charge wave, when the offset distance between two neighboring resonator is
During 1/4 reduction plasma wavelength, the density modulation of maximum can be obtained, therefore to transit angle θqDesigned as follows：In line
Transit angle θ between the resonator of property sectionq1=80~90 °, the transit angle θ between the resonator of non-property sectionq2=30~70 °, output cavity
Transit angle θ between last ante-chamberq3=25~45 °, the transit angle θ between last ante-chamber and the first two last chamberq4=45~50 °, according to formula
(1) design of drift length L in drift section, L in corresponding diagram 2 are carried out12、L23、L34、L45、L56、L67、L78：
Wherein, L is drift length, θqFor transit angle, βqFor space charge wave wave number, v0Speed, ω are noted for electronicsgFor contracting
Subtract plasma angular frequency, λqTo reduce plasma wavelength.
Resonator gap length d notes the interaction between resonator gap electrical field to electronics and had a major impact, and generally adopts
With gap transit angle θdTo represent the electrical length in gap, gap transit angle θ is selecteddMake M2(R/Q) maximum, wherein M is coupled systemes
Number, R/Q is the characteristic impedance of resonator, thus the present embodiment is designed as follows：Resonator for playing clustering effect, choosing
Take θd1=1.4~1.6, for output cavity, with gap transit angle θdReduction, klystron efficiency increase, choose θd2=O.8
~1.2, and according to the design of formula (2) progress resonance cavity gap：
Wherein, d is resonator gap length, θdFor gap transit angle.
Generally for high power, high efficiency, low perveance klystron, choose electronics note dutycycle (b/a)1=0.4
~0.6, single beam klystron chooses electronics note dutycycle (b/a)2=0.5~0.85, the preferred electronics note dutycycle b/a of the present embodiment
=0.5~0.6, wherein b are that electronics notes radius, and a is drift tube radius.
The ratio between resonator gap length d and drift tube radius a characteristic impedances of the d/a to resonator has a great impact.With
D/a increases, the gap capacitance introduced by drift tube head reduces, characteristic impedance increase, therefore always according to velocity modulation in the present embodiment
The drift tube radius and gap length of pipe master-plan, the diameter and height of optimization design resonator, the shape of drift tube head
And size, the resonant frequency of requirement and maximum characteristic impedance are obtained, and ensure the cooling of drift tube head.The present embodiment is from such as
The resonator with taper drift head shapes shown in Fig. 3, while higher characteristic impedance is obtained, additionally it is possible to reduce drift
Tube head head temperature.
In the present embodiment, coating microwave attenuating material is loaded on partial resonance cavity wall, and this is to realize C-band height
Power output, and meet condition necessary to the technical requirements such as bandwidth and efficiency.
The course of work of the present embodiment medium-high frequency stage group polycarboxylic component is as follows：Noted from the electronics of electron gun core assembly transmitting,
Under the high-frequency electric field effect of input signal excitation, its speed is modulated, and the electronics note of velocity modulation passes through one section of field-free drift
Guan Hou, density modulation is produced, form electron bunching；When clustering electronics note is through second resonator, induced in resonator
Corresponding to the high frequency electric of fundamental wave, and stronger high-frequency electric field is set up on resonance cavity gap, the high-frequency electric field notes electronics
By stronger velocity modulation, and density modulation is further produced in second drift tube, electronics note passes through multiple resonators
And drift tube, velocity modulation, clustering, actuating cavity, re-modulation, the physics mistake repeatedly of clustering again are experienced in the process
Journey；When clustering electronics note passes through eight output cavities, by the decelerating effect of gap high-frequency electric field, the kinetic energy that electronics is noted is converted into
High-frequency energy, realizes the amplification of high-frequency signal, i.e. C-band high-power exports.
Signal input, output system 300, including：
Input adapter assembly 310, output magnetic cup assembly 320, output waveguide component 330, output window assembly 340 and collector
Component 350, the upper end of input adapter assembly 310 is microwave signal input port, is fixed in outer wrapper 600, lower end and height
A resonator of bottom is connected using screw in frequency range clustering component 220, the input for microwave signal；Export magnetic cup group
Part 320 connects with a resonator of the top of high band clustering component 220, the upper right side of output waveguide component 330 and output
Window assembly 340 connects, and for being exported to the microwave signal of power amplification, collector component 350 is integrally attached to export magnetic
The top of screen assembly 320, for the dump energy for the electronics note that dissipates, and it is connected with external water-cooling system.
Body cooling system 400 includes：Cooling duct 410, using screw thread and high band clustering component 220, output waveguide
Cooling joint on component 330 and output window assembly 340 connects, and access port is fixed in outer wrapper 600 using screw.
Vacuum system 500 includes：Titanium pump component 510, connect with the middle part upper surface of output waveguide component 330.
Outer wrapper 600, be wrapped in respectively changeover portion component 130, electron gun magnetic cup 210, high band clustering component 220,
The outside of collector component 350 and titanium pump component 510, waveguide securing plate 610 is enclosed with the outside of output waveguide component 330, outside
Package 600 is connected using interpolation or screw with electron gun magnetic cup 210, output magnetic cup assembly 320 and output waveguide component 330；
Outer wrapper 600 its parcel consolidation to klystron, is produced from materials such as stainless steel, duralumin and brass compared to other klystrons
Product have relatively good reinforcing and protective effect, it is ensured that the high power of klystron is stable to be exported, and processing and dismounting side
Just, cost is cheap, and effect is attractive in appearance after painting and installing.
In the present embodiment, the lower end of electron gun porcelain component 120 is connected with electron gun core assembly 110 by argon arc welding；Electronics
The upper end of rifle porcelain component 120 is connected with changeover portion component 130 by argon arc welding；The lower end of input adapter assembly 310 and high band
Bottom resonator is connected using screw in clustering component 220；Export magnetic cup assembly 320 and high band clustering component 220 is most upper
End resonator is connected by soldering；Output the top of magnetic cup assembly 320 is fixed with collector component 350 by argon arc welding；Output
The upper right side of waveguide assemblies 330 is connected with output window assembly 340 by argon arc welding；Export window assembly 340 remove by argon arc welding with
Outside, mechanical consolidation is also carried out by flange and bolt；Outer wrapper 600 is using interpolation or screw and electron gun magnetic cup 210, defeated
Go out magnetic cup assembly 320 and output waveguide component 330 connects.
The klystron utilizes microwave input signal, and the electronics note of emission of cathode is carried out into velocity modulation in multiple resonators
And density modulation, after reaching good clustering effect, interacted with output cavity, it is achieved thereby that the amplification of microwave signal.
Pass through optimization design high band clustering component 220, electrode connection device 140, body cooling system 400 and outer wrapper 600
Deng part and assembly method so that the klystron can realize C-band high-power export, and with cost it is cheap, processing tear open
Dress is convenient, beneficial effect attractive in appearance.
So far, one embodiment C-band high-power klystron introduction of the present utility model finishes.
In second embodiment of the present utility model, there is provided a kind of C-band high-power klystron.With first embodiment
Klystron compare, the difference of the present embodiment klystron is：The type of cooling is different.Fig. 4 is second implementation of the utility model
The longitudinal profile structure schematic of example klystron.As shown in figure 4, collector component 350 and body cooling system 400 respectively with outside
The water pipe for putting water-cooling system is connected, and its middle tube body cooling system 400 passes through polytetrafluoroethylene (PTFE) water pipe 420 and stainless steel water nozzle
430 connected modes combined lead to the cooling on high band clustering component 220, output waveguide component 330 and output window assembly 340
Road is cascaded, and its entrance and exit is separately fixed in the waveguide securing plate 610 in outer wrapper 600, in velocity modulation control
Eliminate the Welding step for cooling water pipe during pipe, save man-hour, and convenient disassembly, sound construction is and external
The water pipe of cooling system is only connected by the body water nozzle of above-mentioned entrance and exit, is hardly damaged, it is ensured that klystron is steady
Fixed C-band high-power output.
So far, second embodiment C-band high-power klystron introduction of the utility model finishes.
In summary, the utility model proposes a kind of C-band high-power klystron, realized in high band clustering component
After multiple speed and density modulation to electronics note, the effect that the microwave signal carried to it carries out high power amplification is realized,
Also by the assembling for optimizing klystron and juncture, by optimizing assembling and the juncture of klystron, protrusion improves height
Frequency range clustering component；Electrode connection device, the wiring of electron gun core assembly and tank bottoms is carried out from the mode of plane contact
The assembling of post, contribute to the radiating of electron gun core assembly；The size and phase of optimization design electron gun magnetic cup and output magnetic cup assembly
Distance between mutually matches with externally-applied magnetic field, attached fuel tank, while also optimizes the design of body cooling system and outer wrapper,
The ability that klystron resists extraneous physical factor interference is effectively increased, ensures that klystron realizes stable high-power output, and
And also enhance the practicality and aesthetic property of the C-band high-power klystron.
It should be noted that in accompanying drawing or specification description, similar or identical part all uses identical figure number；It is real
Apply the direction term mentioned in example, such as " on ", " under ", "front", "rear", "left", "right" etc., be only the direction of refer to the attached drawing,
Not it is used for limiting the scope of protection of the utility model.In addition, above-described embodiment can based on design and reliability consideration, each other
Mix and match uses using or with other embodiment mix and match, i.e., the technical characteristic in different embodiments can be with independent assortment shape
Into more embodiments.Word "comprising" does not exclude the presence of element or step not listed in the claims.Before element
Word "a" or "an" do not exclude the presence of multiple such elements.The shape and size of each part do not reflect true big in figure
Small and ratio, and only illustrate the content of the utility model embodiment.
Certainly, above-described embodiment illustrates rather than to the utility model and the utility model is limited, and this
Art personnel can design alternative embodiment without departing from the scope of the appended claims.According to actual need
Will, the engagement of the utility model C-band high-power klystron, assembling process also include other techniques and step, due to this
The innovation of utility model is unrelated, and here is omitted.
Particular embodiments described above, the purpose of this utility model, technical scheme and beneficial effect are carried out to enter one
Step describes in detail, should be understood that and the foregoing is only specific embodiment of the utility model, is not limited to this
Utility model, it is all within the spirit and principles of the utility model, any modification, equivalent substitution and improvements done etc., it all should wrap
It is contained within the scope of protection of the utility model.
Claims (10)
1. a kind of C-band high-power klystron, it is characterised in that the C-band high-power klystron includes：
Electronics note generation system (100), it produces the electronics note concentrated and advanced；
High band resonances chamber system (200), including：Electron gun magnetic cup (210) and high band clustering component (220), electron gun magnetic
Electronics is noted generation system (100) and isolated with high band clustering component (220) by screen (210), and high band clustering component (220) includes
N number of resonator, N >=3, in multiple resonators the electronics note as caused by electronics note generation system 100 undergo multiple speed with it is close
Degree modulation, the electronics note of height clustering is ultimately formed, carry the microwave signal of amplification；
Signal input, output system (300), it carries out the input of microwave signal, output and the dissipation of electronics note dump energy；
Body cooling system (400), is connected with the water pipe of external water-cooling system, and it is defeated that it cools down N number of resonator and signal
Enter, output system (300)；And
Outer wrapper (600), including：Waveguide securing plate (610), it is arranged at electronics note generation system (100) and high band resonances
Attached components in the outside of chamber system (200), with signal input, output system (300), and it is fixed in the outer wrapper
There is the discrepancy end interface of body cooling system (400).
2. C-band high-power klystron according to claim 1, it is characterised in that the high band clustering component (220)
Middle resonator number N=8, is coated with microwave attenuating material on partial resonance cavity wall, and the resonator includes：
Linearity range, comprising M resonator, M=2~5, first resonator is input cavity；
Non-linear section, include 7-M resonator；And
Deferent segment, include 1 resonator；Wherein,
Transit angle θ between resonator in linearity rangeq1=80~90 °, the transit angle θ between the resonator of non-property sectionq2=30~
70 °, the transit angle θ between output cavity and last ante-chamberq3=25~45 °, the transit angle θ between last ante-chamber and the first two last chamberq4=45~
50°；
Resonator for playing clustering effect, chooses gap transit angle θd1=1.4~1.6, for output cavity, choose gap and cross
More angle θd2=0.8~1.2；
The gap length of the drift section of corresponding resonator and the radius of electronics note, the radius of matched design drift tube：B/a=0.5
~0.6, wherein b are that electronics notes radius, and a is drift tube radius；
Drift head shapes are taper.
3. C-band high-power klystron according to claim 2, it is characterised in that based on the transit angle θqIt is and described
Gap transit angle θdTo design drift length L and resonator gap length d, calculation formula is following formula (1) and formula (2)：
Wherein, L is drift length, θqFor transit angle, βqFor space charge wave wave number, v0Speed, ω are noted for electronicsqFor reduction etc. from
Daughter angular frequency, λqTo reduce plasma wavelength；
Wherein, d is resonator gap length, θdFor gap transit angle.
4. C-band high-power klystron according to claim 1, it is characterised in that the electronics note generation system (100)
Including：
Electron gun core assembly (110), electron gun porcelain component (120), changeover portion component (130) and electrode connection device (140), its
In,
Electron gun core assembly (110) is placed in the inside of electron gun porcelain component (120) and changeover portion component (130), proper pair thereon
Electron gun magnetic cup (210) center；
The upper end of electron gun porcelain component (120) connects with changeover portion component (130), and lower end connects with electron gun core assembly (110),
High pressure between insulating electron rifle core assembly (110) and changeover portion component (130)；
Electrode connection device (140) connects with the bottom electrode of the electron gun core assembly (110), auxiliary electron rifle core assembly
(110) radiate；
At work, the lower end of the electron gun core assembly (110), electron gun porcelain component (120), changeover portion component (130) with
Electrode connection device (140) is immersed in oil tank of transformer, and the electrode connection device (150) passes through plane contact and tank bottoms
Binding post connect.
5. C-band high-power klystron according to claim 1, it is characterised in that the signal input, output system
(300) include：
Input adapter assembly (310), output magnetic cup assembly (320), output waveguide component (330), output window assembly (340) are with receiving
Collector component (350), wherein,
The upper end of input adapter assembly (310) is microwave signal input port, is fixed in outer wrapper (600), lower end and height
Bottom resonator connects in frequency range clustering component (220)；
Output magnetic cup assembly (320) connects with high band clustering component (220) the top resonator, is fixed on output magnetic cup assembly
(320) the top is collector component (350), the dump energy of its dissipation electronics note, the collector component (350) with it is outer
The water-cooling system put is connected；
The upper right side of output waveguide component (330) connects with output window assembly (340), exports the microwave signal of amplification.
6. C-band high-power klystron according to claim 4, it is characterised in that the signal input, output system
(300) include：
Input adapter assembly (310), output magnetic cup assembly (320), output waveguide component (330), output window assembly (340) are with receiving
Collector component (350), the size and mutual distance of the electron gun magnetic cup (210) and the output magnetic cup assembly (320)
Coordinate with external focusing magnetic field and oil tank of transformer.
7. C-band high-power klystron according to claim 6, it is characterised in that the outer wrapper (600), respectively
Be wrapped in changeover portion component (130), electron gun magnetic cup (210), high band clustering component (220), collector component (350) it is outer
Side, the outer wrapper (600) of parcel is waveguide securing plate (610) on the outside of output waveguide component (330), and/or
Material selection stainless steel, duralumin or the brass of the outer wrapper (600).
8. C-band high-power klystron according to claim 7, it is characterised in that
The lower end of the electron gun porcelain component (120) is connected with electron gun core assembly (110) by argon arc welding；
The upper end of the electron gun porcelain component (120) is connected with changeover portion component (130) by argon arc welding；
The lower end of the input adapter assembly (310) uses screw phase with bottom resonator in high band clustering component (220)
Connect；
The output magnetic cup assembly (320) is connected with high band clustering component (220) the top resonator by soldering；
The output magnetic cup assembly (320) is topmost fixed with collector component (350) by argon arc welding；
The upper right side of the output waveguide component (330) is connected with output window assembly (340) by argon arc welding；
The output window assembly (340) carries out mechanical consolidation except with addition to, also passing through flange and bolt by argon arc welding；
The outer wrapper (600) is using interpolation or screw and electron gun magnetic cup (210), output magnetic cup assembly (320) and output
Waveguide assemblies (330) connect.
9. according to any described C-band high-power klystron of claim 5 to 8, it is characterised in that the body cooling system
(400) include：
Cooling duct (410), polytetrafluoroethylene (PTFE) water pipe (420) and stainless steel water nozzle (430), the body cooling system (400)
By high band clustering component (220), output by way of polytetrafluoroethylene (PTFE) water pipe (420) and stainless steel water nozzle (430) combine
Cooling duct (410) in waveguide assemblies (330) and output window assembly (340) is cascaded, and its entrance and exit is solid respectively
It is scheduled in the waveguide securing plate (610) in outer wrapper (600).
10. C-band high-power klystron according to any one of claims 1 to 8, it is characterised in that the C-band high-power
Klystron also includes：
Vacuum system (500), including：Titanium pump component (510), the titanium pump component (510) and signal input, output system
(300) connect, to provide the vacuum needed inside klystron.
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108366316A (en) * | 2018-01-16 | 2018-08-03 | 中山市悦辰电子实业有限公司 | A kind of technical method meeting Doby panorama sound standard implementation |
| CN111640637A (en) * | 2020-06-15 | 2020-09-08 | 电子科技大学 | Multi-beam terahertz coaxial resonant cavity reflection klystron |
| CN113658838A (en) * | 2021-08-13 | 2021-11-16 | 中国科学院空天信息创新研究院 | High frequency interaction circuit and method of manufacture |
| CN115295380A (en) * | 2022-07-04 | 2022-11-04 | 中国人民解放军国防科技大学 | Four-stage modulation high-efficiency compact coaxial relativistic klystron amplifier |
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2017
- 2017-03-13 CN CN201720242253.9U patent/CN206789517U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108366316A (en) * | 2018-01-16 | 2018-08-03 | 中山市悦辰电子实业有限公司 | A kind of technical method meeting Doby panorama sound standard implementation |
| CN108366316B (en) * | 2018-01-16 | 2019-10-08 | 中山市悦辰电子实业有限公司 | A kind of technical method meeting Doby panorama sound standard implementation |
| CN111640637A (en) * | 2020-06-15 | 2020-09-08 | 电子科技大学 | Multi-beam terahertz coaxial resonant cavity reflection klystron |
| CN113658838A (en) * | 2021-08-13 | 2021-11-16 | 中国科学院空天信息创新研究院 | High frequency interaction circuit and method of manufacture |
| CN113658838B (en) * | 2021-08-13 | 2024-02-06 | 中国科学院空天信息创新研究院 | High-frequency interaction circuit and preparation method thereof |
| CN115295380A (en) * | 2022-07-04 | 2022-11-04 | 中国人民解放军国防科技大学 | Four-stage modulation high-efficiency compact coaxial relativistic klystron amplifier |
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