CN105551915B - The Periodic magnetic focusing system and klystron of a kind of adjustable magnetic fields - Google Patents
The Periodic magnetic focusing system and klystron of a kind of adjustable magnetic fields Download PDFInfo
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- CN105551915B CN105551915B CN201610073312.4A CN201610073312A CN105551915B CN 105551915 B CN105551915 B CN 105551915B CN 201610073312 A CN201610073312 A CN 201610073312A CN 105551915 B CN105551915 B CN 105551915B
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- coil
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J23/00—Details of transit-time tubes of the types covered by group H01J25/00
- H01J23/02—Electrodes; Magnetic control means; Screens
- H01J23/08—Focusing arrangements, e.g. for concentrating stream of electrons, for preventing spreading of stream
- H01J23/087—Magnetic focusing arrangements
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J25/00—Transit-time tubes, e.g. klystrons, travelling-wave tubes, magnetrons
- H01J25/02—Tubes with electron stream modulated in velocity or density in a modulator zone and thereafter giving up energy in an inducing zone, the zones being associated with one or more resonators
- H01J25/10—Klystrons, i.e. tubes having two or more resonators, without reflection of the electron stream, and in which the stream is modulated mainly by velocity in the zone of the input resonator
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J25/00—Transit-time tubes, e.g. klystrons, travelling-wave tubes, magnetrons
- H01J25/02—Tubes with electron stream modulated in velocity or density in a modulator zone and thereafter giving up energy in an inducing zone, the zones being associated with one or more resonators
- H01J25/10—Klystrons, i.e. tubes having two or more resonators, without reflection of the electron stream, and in which the stream is modulated mainly by velocity in the zone of the input resonator
- H01J25/11—Extended interaction klystrons
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Abstract
The invention provides a kind of Periodic magnetic focusing system of adjustable magnetic fields and klystron, the Periodic magnetic focusing system includes magnet coil adjusting means and periodic perperiodic permanent magnet focusing device, magnet coil adjusting means includes N number of coil and support housing, N number of coil is located in the accommodating cavity of support housing, and magnet coil adjusting means outer coil pole shoe is fixedly connected with one end of periodic perperiodic permanent magnet focusing device.The magnet coil adjusting means of the present invention is arranged on the transition region of klystron, electron injection firing angle degree is matched with periodic perperiodic permanent magnet focusing magnetic field, the shortcoming adjusted can not be adjusted or be inconvenient to by overcoming existing permanent magnet focusing system magnetic field；The current value of coil can be adjusted individually, and flux control is more flexible, and degree of regulation is higher；Klystron has the Periodic magnetic focusing system, and beam quality is high；Periodic perperiodic permanent magnet focusing device rear end also is provided with magnet coil adjusting means, can adjust the transmission state of electronics note, can obtain higher electronics note transmission percent of pass.
Description
Technical field
The present invention relates to the periodic perperiodic permanent magnet focusing system of vacuum electron device technical field, more particularly to a kind of adjustable magnetic fields
System and klystron.
Background technology
Klystron is that the device that high frequency microwave energy is converted kinetic energy into as transducing medium is noted by electronics.In klystron
In, electronics is noted after emission of cathode comes out, and is acted on and being transmitted to anode by electric field force, formed by focusing electrode, negative electrode and anode
Electric field compression molding.When electronics notes diameter to a certain extent, due to the effect of space-charge force, footpath occurs in electronics note
To diverging.Accordingly, it would be desirable to take constraint measure to electronics note.In klystron, the function of focusing system is to realize that electronics is formed
Shape and Electron Beam Shape are kept, and decisive influence is marked with to obtaining high-performance electronic.
Electronics is noted in the magnetic line of force moves direction identical magnetic field, can be constrained by compensating of the earth magnetic field power, around magnetic
The regular fluctuation of the line of force, and transmitted along former direction.This device for producing electronics note confining magnetic field is referred to as focusing system.
The structure in conventional generation magnetic field includes electromagnetic focusing system and permanent magnet focusing system, permanent magnet focusing system therein
Have the advantages that small volume, it is lightweight, do not consume power.As klystron develops to high band direction, periodic perperiodic permanent magnet focusing side
Formula starts to be applied to high band klystron and achieves success.Focusing system can be greatly reduced using periodic perperiodic permanent magnet focusing mode
Volume and weight, and have the advantages that stray magnetic field is small, simple in construction, easy to use.
As shown in figure 1, the Periodic magnetic focusing system of prior art is to produce periodic inversion in electronics note transmission region
Magnetic field, it is typically made up of permanent magnet 21, outer magnetic cup 23 and permanent magnet pole shoe 22.The material of iron shield and pole shoe is pure iron；
The magnetic line of force of the focusing system is distributed along certain route, its constant magnitude.Electronics note is focused on periodic perperiodic permanent magnet focusing system
The center of system and its nearby transmit vertically.The Periodic magnetic focusing system magnetic field is mainly distributed between anode head and collector
Region, and the magnetic field of electron gun transition region can adjust state when electronics note enters passage, and effect is crucial.Above-mentioned existing skill
There is following technological deficiency in the Periodic magnetic focusing system of art：
(1) after Periodic magnetic focusing system shaping, its Distribution of Magnetic Field is difficult regulation, if focusing electronics note effect is poor, needs
Re-replace focusing system；
(2) transition region Distribution of Magnetic Field is related to electronics note and the matching status of focusing system, usually in the operating condition,
Small magnetic patch is pasted near the magnetic cup at electron gun end and adjusts the regional magnetic field, regulation difficulty is big；
(3) klystron that magnetic field is only used for working under low-voltage is adjusted by way of pasting magnetic sheet in focusing system
In, when operating voltage is too high, it is contemplated that personal safety cannot be adjusted.
The content of the invention
(1) technical problem to be solved
It is poly- the invention provides a kind of periodic permanent magnet of adjustable magnetic fields in order to solve the above mentioned problem of prior art presence
Burnt system and klystron.
(2) technical scheme
The invention provides a kind of Periodic magnetic focusing system of adjustable magnetic fields, the Periodic magnetic focusing system includes electricity
Magnetic coil adjusting means 10 and periodic perperiodic permanent magnet focusing device 20；Wherein, magnet coil adjusting means 10 includes N number of coil 11 and branch
Housing is supportted, N number of coil 11 is located in the accommodating cavity of support housing, the outer coil pole shoe 12 of magnet coil adjusting means 10 and week
One end of phase permanent-magnetic focusing device 20 is fixedly connected, and wherein N is the natural number more than or equal to 2.
Preferably, the support housing includes N+1 coil pole shoe 12 and N number of coil magnetic cup 13；Wherein, the He of coil pole shoe 12
Coil magnetic cup 13 is the disk that cross section is annulus, and coil pole shoe 12 is identical with the external diameter of coil magnetic cup 13, coil pole shoe 12
Internal diameter be less than the internal diameter of coil magnetic cup 13, N+1 coil pole shoe 12 and N number of coil magnetic cup 13 align spaced and fixed company
Connect, the internal diameter of outermost lateral coil pole shoe 12 is less than the internal diameter of other coil pole shoes 12, two neighboring coil pole shoe 12 and its centre
Coil magnetic cup 13 composition support housing accommodating cavity.
Preferably, coil 11 produces axial magnetic field after being powered, under the guiding of coil pole shoe 12, the coil 11 that the cycle places
Periodic magnetic field is produced in transition region, the intensity in transition region magnetic field and distribution change, electronics with the change of the current value of coil 11
Note is matched with main field, and electronics note track is overlapped with the magnetic force line tracking of main field.
Preferably, coil 11 is powered by the adjustable power supply of power output, the electric current of each coil 11 in N number of coil 11
Value individually changes with the change of the output power of power supply, to obtain the magnetic field of different size and different distributions.
Preferably, the spacing of two neighboring coil pole shoe 12 is equal to the length that electronics notes period of waves.
Preferably, coil pole shoe 12 is fixedly connected with coil magnetic cup 13 by screw.
Preferably, the Periodic magnetic focusing system also includes the second magnet coil adjusting means, and it is adjusted with magnet coil
The structure of device 10 is identical, and the second magnet coil adjusting means is fixedly connected with the other end of periodic perperiodic permanent magnet focusing device 20.
Preferably, periodic perperiodic permanent magnet focusing device 20 includes M permanent magnet 21, M+1 permanent magnet pole shoe 22 and outer magnetic cup 23,
Wherein M is the natural number more than or equal to 2.
Preferably, permanent magnet 21 and permanent magnet pole shoe 22 are the disk that cross section is annulus, permanent magnet 21 and permanent magnet
The external diameter of pole shoe 22 is identical, and the internal diameter of permanent magnet pole shoe 22 is less than the internal diameter of permanent magnet 21, and the upper and lower surface of permanent magnet pole shoe 22 is leaned on
The position of nearly annulus inward flange respectively has an annulus raised so that symmetrical "T"-shaped, M+1 is presented in the vertical section of permanent magnet pole shoe 22
Individual permanent magnet pole shoe 22 and M permanent magnet 21 align spaced, the opposite polarity of adjacent permanent magnet 21, and outer magnetic cup 23 is two ends
Opening it is columnar structured, its length be equal to permanent magnet pole shoe 22 and permanent magnet 21 align it is spaced after length, its internal diameter
Identical with the external diameter of permanent magnet 21 and permanent magnet pole shoe 22, the lateral wall of the outer inwall of magnetic cup 23 and permanent magnet pole shoe 22, which is fixed, to be connected
Connect.
Present invention also offers a kind of klystron, the region between the electron gun area of the klystron and interaction region is transition
Area, any of the above-described Periodic magnetic focusing system is arranged on the transition region.
(3) beneficial effect
It can be seen from the above technical proposal that the Periodic magnetic focusing system and velocity modulation pipe of the adjustable magnetic fields of the present invention
There is following beneficial effect：
(1) magnet coil adjusting means is arranged on the transition region of klystron, electron injection firing angle degree is gathered with periodic permanent magnet
Burnt magnetic field reaches matching, and the shortcoming adjusted can not be adjusted or be inconvenient to by overcoming existing permanent magnet focusing system magnetic field；
(2) current value of coil can be adjusted individually, and flux control is more flexible, and flux control precision is higher；
(3) klystron of the Periodic magnetic focusing system with adjustable magnetic fields, beam quality is high；
(4) periodic perperiodic permanent magnet focusing device rear end also is provided with magnet coil adjusting means, can adjust the transmission state of electronics note,
Higher electronics note transmission percent of pass can be obtained；
(5) interaction region use periodic perperiodic permanent magnet focusing mode, whole focusing system small volume, it is lightweight, do not consume work(
Rate.
Brief description of the drawings
Fig. 1 is the Periodic magnetic focusing system structure chart of prior art；
Fig. 2 is the three-dimensional appearance figure of the Periodic magnetic focusing system of the adjustable magnetic fields of first embodiment of the invention；
Fig. 3 is the profilograph of the Periodic magnetic focusing system of the adjustable magnetic fields of first embodiment of the invention；
Fig. 4 is three-dimensional half profilograph of the Periodic magnetic focusing system of the adjustable magnetic fields of first embodiment of the invention.
【Symbol description】
10- magnet coil adjusting meanss；
11- coils；12- coil pole shoes；13- coil magnetic cups；14- first passages；
20- periodic perperiodic permanent magnet focusing devices；
21- permanent magnets；22- permanent magnet pole shoes；The outer magnetic cups of 23-；24- second channels.
Embodiment
For the object, technical solutions and advantages of the present invention are more clearly understood, below in conjunction with specific embodiment, and reference
Accompanying drawing, the present invention is described in more detail.
Region between the electron gun area of klystron and interaction region is transition region, and transition region is non-uniform magnetic-field, is one
Magnetic field loss area, the electronics that electron gun is sent is noted enters interaction region after the transition region, due to the presence of the transition region so that
Electronics note is unsatisfactory for preferable entry condition when entering interaction region, so as to influence the line effect of focusing system.The present invention is just
Formula provides a kind of Periodic magnetic focusing system of adjustable magnetic fields, and the Periodic magnetic focusing system of the adjustable magnetic fields can be adjusted
Save transition region magnetic field so that the electronics Jing Guo transition region fills the entry condition of sufficient interaction region main field, realize electronics note and
The best match of interaction region main field, so as to improve the line effect of focusing system.
It refer to Fig. 2, Fig. 3 and Fig. 4, the Periodic magnetic focusing system of the adjustable magnetic fields of first embodiment of the invention, bag
Magnet coil adjusting means 10 and periodic perperiodic permanent magnet focusing device 20 are included, magnet coil adjusting means includes N number of coil 11 and support
Housing, N number of coil 11 is located in the accommodating cavity of support housing；Periodic perperiodic permanent magnet focusing device 20 includes M permanent magnet 21, M+1
Individual permanent magnet pole shoe 22 and outer magnetic cup 23；Wherein, wherein N and M is the natural number more than or equal to 2.
Housing is supported to include N+1 coil pole shoe 12 and N number of coil magnetic cup 13, coil pole shoe 12 and coil magnetic cup 13 are
Cross section is the disk of annulus, and coil pole shoe 12 is identical with the external diameter of coil magnetic cup 13, and the internal diameter of coil pole shoe 12 is less than coil
The internal diameter of magnetic cup 13, N+1 coil pole shoe 12 aligns spaced and is fixedly connected with N number of coil magnetic cup 13, outermost lateral coil
The internal diameter of pole shoe 12 be less than other coil pole shoes 12 internal diameter, formed a first passage 14, two neighboring coil pole shoe 12 and its
The accommodating cavity of the middle composition support housing of coil magnetic cup 13.In Fig. 2,3,4, the N takes 2.
Permanent magnet 21 and permanent magnet pole shoe 22 are the disk that cross section is annulus, permanent magnet 21 and permanent magnet pole shoe 22
External diameter is identical, and the internal diameter of permanent magnet pole shoe 22 is less than the internal diameter of permanent magnet 21, and the upper and lower surface of permanent magnet pole shoe 22 is in annulus
The position at edge respectively has an annulus raised so that symmetrical "T"-shaped, M+1 permanent magnet is presented in the vertical section of permanent magnet pole shoe 22
Pole shoe 22 and M permanent magnet 21 align it is spaced, formed a second channel 24, the opposite polarity of adjacent permanent magnet 21, outer magnetic
Screen 23 is columnar structured for both ends open, its length is equal to permanent magnet pole shoe 22 and permanent magnet 21 aligns it is spaced after length
Degree, its internal diameter is identical with the external diameter of permanent magnet 21 and permanent magnet pole shoe 22, the outside of the outer inwall of magnetic cup 23 and permanent magnet pole shoe 22
Wall is fixedly connected.In Fig. 3,4, the M takes 8.
The outermost lateral coil pole shoe 12 of magnet coil adjusting means 10 and one end of periodic perperiodic permanent magnet focusing device 20, which are fixed, to be connected
Connect, the center overlapping of axles of first passage 14 and second channel 24.
The Periodic magnetic focusing system of the adjustable magnetic fields of first embodiment of the invention, its magnet coil adjusting means 10 is set
Put in transition region, coil 11 produces axial magnetic field after being powered, under the guiding of coil pole shoe 12, the coil 11 that the cycle places is in mistake
Generation periodic magnetic field in area is crossed, the intensity in transition region magnetic field is directly proportional to the size of current of coil 11, in coil pole shoe 12
Footpath is inversely proportional, by the size of current of regulating winding 11, and the intensity in transition region magnetic field and distribution change therewith, the electronics of transition region
Note fluctuation status and transmission characteristic are regulated so that electronics note enters the master of the formation of periodic perperiodic permanent magnet focusing device 20 of interaction region
During magnetic field, electronics note is matched with main field, i.e., electronics note track is overlapped with the magnetic force line tracking of main field, it is achieved thereby that the cycle
The accurate adjustment of permanent magnet focusing system Distribution of Magnetic Field, flux control and regulation can not be carried out by solving existing permanent magnet focusing system
The big defect of difficulty.
Preferably, coil 11 is powered by the adjustable power supply of power output, and coil 11 is changed by regulation power supply power output
Current value；Further, the current value of N number of coil 11 can be adjusted individually, to obtain the magnetic field of different size and different distributions,
Flux control is more flexible, and flux control precision is higher；Further, coil 11 is made of copper conductor enamel-covered wire.
Preferably, the spacing (i.e. the thickness of coil magnetic cup 13) of two neighboring coil pole shoe 12 notes period of waves equal to electronics
Length.
Preferably, the spacing (i.e. the thickness of permanent magnet 21) of two adjacent permanent magnets pole shoe 22 is equal to electronics note plasma
The 1/5 of wavelength length；Permanent magnet 21 selects samarium-cobalt material or NdFeB material；Outer magnetic cup 23 selects pure iron material.
Preferably, coil pole shoe 12 is fixedly connected with coil magnetic cup 13 by screw, permanent magnet pole shoe 22 and outer magnetic cup 23
It is fixedly connected by screw.
The Periodic magnetic focusing system of the adjustable magnetic fields of second embodiment of the invention, in order to reach the mesh of brief description
, any technical characteristic for making same application is described all and in this in above-mentioned first embodiment, without repeating identical narration.
The Periodic magnetic focusing system of adjustable magnetic fields also includes the second magnet coil adjusting means, its electromagnetic wire with first embodiment
The circle structure of adjusting means 10 is identical, and the other end of the second magnet coil adjusting means and periodic perperiodic permanent magnet focusing device 20, which is fixed, to be connected
Connect, the connected mode and the magnet coil adjusting means 10 of first embodiment and the connected mode phase of periodic perperiodic permanent magnet focusing device 20
Together.
The Periodic magnetic focusing system of the adjustable magnetic fields of second embodiment of the invention, except the effect with first embodiment
Outside technique effect, when being transferred to interaction region rear end due to electronics note, its velocity spread is serious, can also pass through the second electromagnetism
The magnetic field size of stitch-adjusting control regulation interaction region rear end and distribution so that the transmission state of electronics note is adjusted so that
Obtain higher electronics note transmission percent of pass.
The third embodiment of the present invention provides a kind of klystron, between the electron gun area of the klystron and interaction region
Region is transition region, and the Periodic magnetic focusing system of any of the above-described embodiment is arranged on the transition region.
The Periodic magnetic focusing system and klystron of the adjustable magnetic fields of embodiments of the invention, in interaction region using week
Phase permanent-magnetic focusing mode, whole focusing system have the advantages that small volume, it is lightweight, do not consume power；Meanwhile, set in transition region
Magnet coil adjusting means is put, the transmission state regulation noted by adjusting solenoid current to realize to transition region electronics,
Make electron injection firing angle degree reach with periodic perperiodic permanent magnet focusing magnetic field to match, overcome after traditional permanent magnet focusing system shaping without regulation
The shortcoming of means, the klystron of the Periodic magnetic focusing system with adjustable magnetic fields has the advantages that beam quality is high.
So far, the present embodiment is described in detail combined accompanying drawing.According to above description, those skilled in the art
There should be clear understanding to the Periodic magnetic focusing system and klystron of the adjustable magnetic fields of the present invention.
It should be noted that in accompanying drawing or specification text, the implementation for not illustrating or describing is affiliated technology
Form known to a person of ordinary skill in the art, is not described in detail in field.In addition, above-mentioned definition to each element and not only limiting
Various concrete structures, shape or the mode mentioned in embodiment, those of ordinary skill in the art can be carried out simply more to it
Change or replace, for example：
(1) coil pole shoe, permanent magnet pole shoe can also select other common used materials；
(3) direction term mentioned in embodiment, is only ginseng such as " on ", " under ", "front", "rear", "left", "right"
The direction of accompanying drawing is examined, not for limiting the scope of the invention；
(4) consideration that above-described embodiment can be based on design and reliability, the collocation that is mixed with each other is used or and other embodiment
Mix and match is used, i.e., technical characteristic not in be the same as Example can freely form more embodiments.
In summary, the present invention provides a kind of Periodic magnetic focusing system and klystron of adjustable magnetic fields, whole to focus on
System bulk is small, lightweight, do not consume power, meanwhile, it can be realized to transition region electronics note by adjusting solenoid current
Transmission state regulation, electron injection firing angle degree is reached with periodic perperiodic permanent magnet focusing magnetic field and match, overcome traditional permanent-magnetic focusing
Shortcoming without regulating measure after system shaping.
Particular embodiments described above, has been carried out further in detail to the purpose of the present invention, technical scheme and beneficial effect
Describe in detail it is bright, should be understood that the foregoing is only the present invention specific embodiment, be not intended to limit the invention, it is all
Within the spirit and principles in the present invention, any modification, equivalent substitution and improvements done etc., should be included in the guarantor of the present invention
Within the scope of shield.
Claims (8)
1. a kind of Periodic magnetic focusing system of adjustable magnetic fields, it is characterised in that the Periodic magnetic focusing system includes electromagnetism
Stitch-adjusting control (10) and periodic perperiodic permanent magnet focusing device (20)；
Wherein, magnet coil adjusting means (10) includes N number of coil (11) and support housing, and N number of coil (11) is located at support
In the accommodating cavity of housing, the support housing includes N+1 coil pole shoe (12) and N number of coil magnetic cup (13), two neighboring coil
The accommodating cavity of pole shoe (12) and its coil magnetic cup (13) of centre composition support housing,
Magnet coil adjusting means (10) outer coil pole shoe (12) is fixedly connected with one end of periodic perperiodic permanent magnet focusing device (20),
Wherein N is the natural number more than or equal to 2,
Coil (11) produces axial magnetic field after being powered, under the guiding of coil pole shoe (12), and the coil (11) that the cycle places is in mistake
Generation periodic magnetic field in area is crossed, the intensity in transition region magnetic field and distribution change with the change of coil (11) current value, electronics note
Matched with main field, electronics note track is overlapped with the magnetic force line tracking of main field.
2. Periodic magnetic focusing system as claimed in claim 1, it is characterised in that coil (11) is by the adjustable electricity of power output
Source powers,
The current value of each coil (11) in N number of coil (11) individually changes with the change of the output power of power supply, with
Obtain the magnetic field of different size and different distributions.
3. Periodic magnetic focusing system as claimed in claim 1, it is characterised in that the spacing of two neighboring coil pole shoe (12)
Equal to the length that electronics notes period of waves.
4. Periodic magnetic focusing system as claimed in claim 1, it is characterised in that coil pole shoe (12) and coil magnetic cup (13)
It is fixedly connected by screw.
5. Periodic magnetic focusing system as claimed in claim 1, it is characterised in that the Periodic magnetic focusing system also includes the
Two magnet coil adjusting meanss, it is identical with the structure of magnet coil adjusting means (10), the second magnet coil adjusting means with
The other end of periodic perperiodic permanent magnet focusing device (20) is fixedly connected.
6. Periodic magnetic focusing system as claimed in claim 1, it is characterised in that periodic perperiodic permanent magnet focusing device (20) includes M
Individual permanent magnet (21), M+1 permanent magnet pole shoe (22) and an outer magnetic cup (23), wherein M are the natural number more than or equal to 2.
7. Periodic magnetic focusing system as claimed in claim 6, it is characterised in that permanent magnet (21) and permanent magnet pole shoe (22)
It is the disk that cross section is annulus, permanent magnet (21) is identical with the external diameter of permanent magnet pole shoe (22), permanent magnet pole shoe (22)
Internal diameter is less than the internal diameter of permanent magnet (21), and permanent magnet pole shoe (22) upper and lower surface respectively has a circle close to the position of annulus inward flange
Ring convex rise so that symmetrical "T"-shaped, M+1 permanent magnet pole shoe (22) and M permanent magnet is presented in permanent magnet pole shoe (22) vertical section
(21) align spaced, the opposite polarity of adjacent permanent magnet (21), and outer magnetic cup (23) is columnar structured for both ends open, its
Length after length is spaced equal to permanent magnet pole shoe (22) and permanent magnet (21) alignment, its internal diameter is with permanent magnet (21) and forever
The external diameter of magnet pole shoe (22) is identical, and outer magnetic cup (23) inwall is fixedly connected with the lateral wall of permanent magnet pole shoe (22).
8. a kind of klystron, it is characterised in that the region between the electron gun area of the klystron and interaction region is transition region, power
Profit requires that the Periodic magnetic focusing system any one of 1 to 7 is arranged on the transition region.
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| CN201610073312.4A CN105551915B (en) | 2016-02-02 | 2016-02-02 | The Periodic magnetic focusing system and klystron of a kind of adjustable magnetic fields |
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| CN201610073312.4A CN105551915B (en) | 2016-02-02 | 2016-02-02 | The Periodic magnetic focusing system and klystron of a kind of adjustable magnetic fields |
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Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109243943B (en) * | 2018-09-25 | 2020-06-26 | 西北核技术研究所 | Fast-adjusting relativistic backward wave tube working in local inhomogeneous magnetic field |
| CN109524282A (en) * | 2018-11-09 | 2019-03-26 | 电子科技大学 | A kind of field coil device, magnetic focusing system and its configuration method |
| CN110189968B (en) * | 2019-06-06 | 2020-07-31 | 中国科学院电子学研究所 | Axisymmetric periodic permanent magnet focusing system with prominent third-order space harmonic |
| CN111584181B (en) * | 2020-05-08 | 2021-12-14 | 安徽华东光电技术研究所有限公司 | Constant magnetic field structure |
| CN113066708B (en) * | 2021-03-22 | 2023-10-03 | 中国科学院空天信息创新研究院 | Periodic permanent magnet focusing system and magnetic field adjusting method |
| CN113471037B (en) * | 2021-06-30 | 2022-05-13 | 电子科技大学 | Focusing system is annotated to integration banding |
| CN114005720B (en) * | 2021-11-09 | 2022-10-14 | 北京航空航天大学 | Terahertz traveling wave tube slow wave focusing integrated structure and manufacturing method thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2278231A (en) * | 1993-05-12 | 1994-11-23 | Eev Ltd | Magnet arrangements |
| CN201788934U (en) * | 2010-09-06 | 2011-04-06 | 安徽华东光电技术研究所 | Structure of traveling wave tube periodic permanent magnet focusing system |
| CN103779153A (en) * | 2014-01-17 | 2014-05-07 | 中国科学院电子学研究所 | Periodic permanent magnetic focusing structure and assembling components thereof |
| CN205542690U (en) * | 2016-02-02 | 2016-08-31 | 中国科学院电子学研究所 | Periodic permanent magnetic focusing system and speed adjusting pipe in adjustable magnetic field |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7663327B2 (en) * | 2005-05-13 | 2010-02-16 | Massachusetts Institute Of Technology | Non-axisymmetric periodic permanent magnet focusing system |
| JP4805656B2 (en) * | 2005-10-31 | 2011-11-02 | 株式会社東芝 | Multi-beam klystron equipment |
| CN101488390B (en) * | 2008-01-16 | 2010-12-01 | 中国科学院高能物理研究所 | Nested type magnet |
| CN101488391B (en) * | 2008-01-16 | 2011-02-09 | 中国科学院高能物理研究所 | Composite magnet with edge field amendment |
| CN103367080A (en) * | 2013-06-03 | 2013-10-23 | 电子科技大学 | Adjustable focusing device with banding electron beams |
| CN103943304A (en) * | 2014-05-12 | 2014-07-23 | 哈尔滨工业大学 | Magnetic flux density continuously adjustable even axial magnetic field producing device and method for producing continuously adjustable even axial magnetic field of device |
-
2016
- 2016-02-02 CN CN201610073312.4A patent/CN105551915B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2278231A (en) * | 1993-05-12 | 1994-11-23 | Eev Ltd | Magnet arrangements |
| CN201788934U (en) * | 2010-09-06 | 2011-04-06 | 安徽华东光电技术研究所 | Structure of traveling wave tube periodic permanent magnet focusing system |
| CN103779153A (en) * | 2014-01-17 | 2014-05-07 | 中国科学院电子学研究所 | Periodic permanent magnetic focusing structure and assembling components thereof |
| CN205542690U (en) * | 2016-02-02 | 2016-08-31 | 中国科学院电子学研究所 | Periodic permanent magnetic focusing system and speed adjusting pipe in adjustable magnetic field |
Non-Patent Citations (4)
| Title |
|---|
| "X波段带状住速调管的设计及实验研究";赵鼎;《真空电子技术》;20140331;全文 * |
| "周期永磁聚焦速调管的研究进展";丁耀根;《中国电子学真空电子学分会第十九届学术年会论文集》;20130822;全文 * |
| "大功率行波管周期永磁聚束系统研究";代宪菊;《中国优秀硕士学位论文全文数据库 信息科技辑》;20050315;全文 * |
| "微波管电磁聚焦系统CAD技术研究";李春生;《中国优秀硕士学位论文全文数据库》;20091115;全文 * |
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