CN108024438B - One kind being used for superconducting cyclotron RF resonant cavity c-type electric connection structure - Google Patents
One kind being used for superconducting cyclotron RF resonant cavity c-type electric connection structure Download PDFInfo
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- CN108024438B CN108024438B CN201711330318.6A CN201711330318A CN108024438B CN 108024438 B CN108024438 B CN 108024438B CN 201711330318 A CN201711330318 A CN 201711330318A CN 108024438 B CN108024438 B CN 108024438B
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- resonant cavity
- type electric
- dee plate
- end cover
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05H—PLASMA TECHNIQUE; PRODUCTION OF ACCELERATED ELECTRICALLY-CHARGED PARTICLES OR OF NEUTRONS; PRODUCTION OR ACCELERATION OF NEUTRAL MOLECULAR OR ATOMIC BEAMS
- H05H13/00—Magnetic resonance accelerators; Cyclotrons
- H05H13/005—Cyclotrons
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05H—PLASMA TECHNIQUE; PRODUCTION OF ACCELERATED ELECTRICALLY-CHARGED PARTICLES OR OF NEUTRONS; PRODUCTION OR ACCELERATION OF NEUTRAL MOLECULAR OR ATOMIC BEAMS
- H05H7/00—Details of devices of the types covered by groups H05H9/00, H05H11/00, H05H13/00
- H05H7/14—Vacuum chambers
- H05H7/18—Cavities; Resonators
- H05H7/20—Cavities; Resonators with superconductive walls
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- Engineering & Computer Science (AREA)
- Plasma & Fusion (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Particle Accelerators (AREA)
Abstract
The invention discloses one kind to be used for superconducting cyclotron RF resonant cavity c-type electric connection structure, and c-type electric connector includes the connection strap of upper end cover, lower cover and connection upper end cover, lower cover；Lower cover is fixed on the lower Dee plate of RF resonant cavity by installing bolt, and lower spring leaf is fixed between lower cover and lower Dee plate, and upper end cover is fixed on the upper Dee plate of RF resonant cavity by installing bolt, is fixed with upper spring piece between upper end cover and upper Dee plate.Present invention is mainly used for the electrical connections of Dee plate above and below RF resonant cavity, so that the Dee plate rounding off connection up and down of RF resonant cavity, pass through upper and lower spring leaf increase electrical connection effect, simultaneously by adjusting the fastening position of installation bolt, the adjusting that c-type electric connector and RF resonant cavity cavity inner wall distance can be achieved, so that the adjusting of RF resonance intra-cavity frequency can be realized；Have many advantages, such as that structure is simple, easy to process, easy to operate, tuning range is big, provides a kind of simple and effective method for the frequency amendment of RF resonant cavity.
Description
Technical field
The invention belongs to cyclotron technical fields, are specifically related to a kind of for superconducting cyclotron RF resonant cavity
C-type electric connection structure.
Background technique
RF resonance cavity system is that one of important component of cyclotron and superconducting cyclotron are crucial and complicated
Component.For RF resonant cavity using cavity made of conductor closing, it is a resonator system in cyclotron vacuum chamber, is grain
The place that son accelerates forms high voltage between resonant cavity cavity and Dee plate by the feed-in power into RF resonant cavity, thus
Particle is accelerated.Accelerating field distribution in resonant cavity has very big influence to the movement of particle, but actual
In engineering manufacturing process, since the factors such as manufacturing tolerance, build-up tolerance influence, the frequency in resonant cavity can shift, therefore
It is needed in RF Resonator design in view of this factor, to RF Resonator design at the adjustable structure of frequency.Tune common at present
Section form is that tuning plug is arranged in resonant cavity, the adjusting of frequency is carried out by tuning plug, but the range that tuning plug is adjusted has
Limit, can adjust in the range of a few kHz substantially, can not be adjusted by tuning plug if frequency shift (FS) is excessive.In addition,
Electrical connection in cyclotron at present predominantly directly carries out overlapped mode using spring leaf, and which adds for component
Work and assembly precision require high, if rigging error is excessive, may cause and do not overlap or overlap bad, in turn result in and be electrically connected
It is poor to connect effect.
Summary of the invention
The purpose of the present invention is to provide a kind of structures, and compact superconducting cyclotron simple, easy to process, easy for installation adds
The electric connection structure of fast device RF resonant cavity is mainly used for the electrical connection of RF resonant cavity or more Dee plate, and by adjusting electrical connection
The field distribution between RF resonant cavity Dee plate and cavity is adjusted in the installation site of body, modified R F resonance in larger range
Intracavitary frequency solves the problems, such as that frequency larger range is caused to deviate and can not adjust due to manufacturing and positioning errors, simultaneously
It can eliminate in such a way that erecting yard manufactures c-type electric connector and cause poor electric contact because processing or rigging error are big
Potential risk.
The purpose of the present invention can be achieved through the following technical solutions:
One kind be used for superconducting cyclotron RF resonant cavity c-type electric connection structure, including c-type electric connector, installation bolt,
Upper spring piece, lower spring leaf；
The c-type electric connector includes the connection strap of upper end cover, lower cover and connection upper end cover, lower cover；
The lower cover is fixed on the lower Dee plate of RF resonant cavity by installing bolt, the lower cover and lower Dee plate it
Between be fixed with lower spring leaf, the upper end cover is fixed on the upper Dee plate of RF resonant cavity by installing bolt, the upper end cover with
Upper spring piece is fixed between upper Dee plate.
Further, the section of the c-type electric connector is C-shaped.
Further, the upper end cover, lower end cap surface are evenly equipped with U bolt hole.
Further, the upper end cover, lower end cap surface are provided with groove, and the upper spring piece and lower spring leaf weld respectively
It connects in the upper and lower end face groove of c-type electric connector.
Further, the upper spring piece and lower spring leaf are adopted as beryllium bronze spring lamination.
Beneficial effects of the present invention:
Present invention is mainly used for the electrical connections of Dee plate above and below RF resonant cavity, so that Dee plate rounding off above and below RF resonant cavity
Connection, by upper and lower spring leaf increase electrical connection effect, while by adjusting the fastening position of installation bolt, it can be achieved that c-type is electric
The adjusting of connector and RF resonant cavity cavity inner wall distance, so that the adjusting of RF resonance intra-cavity frequency can be realized；With structure letter
The advantages that single, easy to process, easy to operate, tuning range is big, the frequency amendment for RF resonant cavity provide a kind of simple and have
The method of effect.
Detailed description of the invention
Present invention is further described in detail in the following with reference to the drawings and specific embodiments.
Fig. 1 is side view of the present invention.
Fig. 2 is schematic structural view of the invention.
Specific embodiment
One kind being used for superconducting cyclotron RF resonant cavity c-type electric connection structure, including c-type electric connector 1, installation bolt
2, upper spring piece 3, lower spring leaf 4；
The c-type electric connector 1 includes the company of upper end cover 101, lower cover 102 and connection upper end cover 101, lower cover 102
Narrow bars 103, wherein the section of c-type electric connector 1 is C-shaped, preferably, upper end cover 101, lower cover 102 and connection strap 103
Junction is fillet；
The upper end cover 101,102 surface of lower cover are evenly equipped with U bolt hole, and lower cover 102 is solid by installation bolt 2
Due on the lower Dee plate of RF resonant cavity, lower spring leaf 4 is fixed between lower cover 102 and lower Dee plate, upper end cover 101 passes through peace
Dress bolt 2 is fixed on the upper Dee plate of RF resonant cavity, upper spring piece 3 is fixed between upper end cover 101 and upper Dee plate, so that RF
The plate of Dee up and down of resonant cavity forms round and smooth transition connection, meanwhile, c-type electric connector 1 can also play Dee plate on RF resonant cavity
To the effect of rigid support, reduce the ends sag deformation of Dee plate on RF resonant cavity；
Preferably, upper end cover 101,102 surface of lower cover are provided with groove, the upper spring piece 3 and lower spring leaf 4 difference
It is welded in the upper and lower end face groove of c-type electric connector 1；
Preferably, installation 2 surface of bolt carries out silver-plated process, enhances electric conductivity, simultaneously because on c-type electric connector 1
Bolt mounting holes are U-shaped hole, adjust c-type electric connector 1 and RF resonant cavity cavity by adjusting the fastening position of installation bolt 2
The distance between inner wall, and then the field distribution between RF resonant cavity Dee plate and cavity is adjusted, adjust the frequency in RF resonant cavity
Rate；
Wherein, the upper spring piece 3 and lower spring leaf 4 are adopted as beryllium bronze spring lamination, and the spring leaf surface carries out silver-plated
Processing, enhancing electric conductivity, when c-type electric connector 1 is overlapped with Dee plate above and below RF resonant cavity, through compression upper spring piece 3 under
Spring leaf 4, so that c-type electric connector is with RF resonant cavity, Dee plate is come into full contact with up and down, forms good electrical connection；
Further, it is used herein to material be weak magnetic or non-magnetic material of the magnetic conductivity less than 1.05,
Prevent from influencing the Distribution of Magnetic Field in accelerator；
Further, the size of the c-type electric connector 1 in above-mentioned technical proposal can be in erecting yard according on RF resonant cavity
The spacing of lower Dee plate is manufactured, to eliminate since processing or rigging error are big and cause to be electrically connected undesirable potential risk；
Present invention is mainly used for the electrical connections between Dee plate above and below superconducting cyclotron RF resonant cavity, have electrical connection
Simple, easy to process, the easy to operate advantage of excellent effect, structure, while through this structure can be to the frequency in RF resonant cavity
It is adjusted, provides a kind of convenience and reliable method for the amendment of RF resonant cavity frequency.
Above content is only citing made for the present invention and explanation, affiliated those skilled in the art are to being retouched
The specific embodiment stated does various modifications or additions or is substituted in a similar manner, without departing from the structure of invention
Or beyond the scope defined by this claim, it is within the scope of protection of the invention.
Claims (5)
1. one kind is used for superconducting cyclotron RF resonant cavity c-type electric connection structure, which is characterized in that including c-type electric connector
(1), bolt (2), upper spring piece (3), lower spring leaf (4) are installed；
The c-type electric connector (1) includes upper end cover (101), lower cover (102) and connection upper end cover (101), lower cover
(102) connection strap (103)；
The lower cover (102) by install bolt (2) be fixed on the lower Dee plate of RF resonant cavity, the lower cover (102) with
It is fixed between lower Dee plate lower spring leaf (4), the upper end cover (101) is fixed on the upper of RF resonant cavity by installing bolt (2)
On Dee plate, upper spring piece (3) are fixed between the upper end cover (101) and upper Dee plate.
2. according to claim 1 a kind of for superconducting cyclotron RF resonant cavity c-type electric connection structure, feature exists
In: the section of the c-type electric connector (1) is C-shaped.
3. according to claim 1 a kind of for superconducting cyclotron RF resonant cavity c-type electric connection structure, feature exists
In: the upper end cover (101), lower cover (102) surface are evenly equipped with U bolt hole.
4. according to claim 1 a kind of for superconducting cyclotron RF resonant cavity c-type electric connection structure, feature exists
In: the upper end cover (101), lower cover (102) surface are provided with groove, and the upper spring piece (3) and lower spring leaf (4) are respectively
It is welded in the upper and lower end face groove of c-type electric connector (1).
5. according to claim 1 a kind of for superconducting cyclotron RF resonant cavity c-type electric connection structure, feature exists
In: the upper spring piece (3) and lower spring leaf (4) use beryllium bronze spring lamination.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711330318.6A CN108024438B (en) | 2017-12-13 | 2017-12-13 | One kind being used for superconducting cyclotron RF resonant cavity c-type electric connection structure |
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|---|---|---|---|
| CN201711330318.6A CN108024438B (en) | 2017-12-13 | 2017-12-13 | One kind being used for superconducting cyclotron RF resonant cavity c-type electric connection structure |
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| CN108024438A CN108024438A (en) | 2018-05-11 |
| CN108024438B true CN108024438B (en) | 2019-07-05 |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111526656A (en) * | 2020-04-07 | 2020-08-11 | 哈尔滨工业大学 | Current control ultra-wideband cyclotron high-frequency cavity |
| CN113766720A (en) * | 2020-06-04 | 2021-12-07 | 合肥中安清源环保科技有限公司 | Speed-adjustable cold plasma generating device |
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| CN106132067A (en) * | 2016-07-29 | 2016-11-16 | 中国原子能科学研究院 | The double gap bridge electrode assembly in the center of a kind of superconducting cyclotron |
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| CN104663003A (en) * | 2012-07-27 | 2015-05-27 | 麻省理工学院 | Synchrocyclotron beam orbit and RF drive synchrocyclotron |
| CN203675415U (en) * | 2014-01-06 | 2014-06-25 | 中国原子能科学研究院 | High-frequency resonant cavity with high mechanical strength |
| CN106132067A (en) * | 2016-07-29 | 2016-11-16 | 中国原子能科学研究院 | The double gap bridge electrode assembly in the center of a kind of superconducting cyclotron |
| CN106231775A (en) * | 2016-07-29 | 2016-12-14 | 中国原子能科学研究院 | Bar spiral type cavity in a kind of superconducting cyclotron Y structure |
| CN106455287A (en) * | 2016-07-29 | 2017-02-22 | 中国原子能科学研究院 | Imbalanced dual-inner-rod spiral high-frequency resonant cavity of superconductive cyclotron |
| CN106535461A (en) * | 2016-11-11 | 2017-03-22 | 合肥中科离子医学技术装备有限公司 | Medical superconducting cyclotron resonant cavity capacitor tuning device and method |
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Inventor after: Yang Qingxi Inventor after: Pan Jiechun Inventor after: Song Yuntao Inventor after: Chen Yonghua Inventor after: Chen Gen Inventor before: Yang Qingxi Inventor before: Pan Jiechun Inventor before: Song Yuntao Inventor before: Chen Yonghua Inventor before: Chen Gen |
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