CN206061264U - A kind of superconducting cyclotron vacuum pumping system - Google Patents
A kind of superconducting cyclotron vacuum pumping system Download PDFInfo
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- CN206061264U CN206061264U CN201620957575.7U CN201620957575U CN206061264U CN 206061264 U CN206061264 U CN 206061264U CN 201620957575 U CN201620957575 U CN 201620957575U CN 206061264 U CN206061264 U CN 206061264U
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- high frequency
- exhaust
- superconducting cyclotron
- vacuum pumping
- exhaust path
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Abstract
This utility model is related to a kind of superconducting cyclotron vacuum pumping system, and the vacuum pumping system includes first exhaust path, second exhaust path and the 3rd exhaust channel；The first exhaust path is arranged in the high frequency interior bar (7) of superconducting cyclotron radio frequency system, the second exhaust path is arranged between the high frequency interior bar (7) of radio frequency system and high frequency outer conductor (4), and the 3rd exhaust channel is arranged between superconducting cyclotron high frequency outer conductor (4) and main magnet cover plate (2)；First exhaust path, second exhaust path and the 3rd exhaust channel are discharged by the D plates (5) that high frequency interior bar (7) end is arranged.Superconducting cyclotron vacuum pumping system of the present utility model, according to radio frequency system structure design characteristic, arranges multiple vacuum exhaust paths, improve the conductance of superconducting cyclotron vacuum exhaust, increase superconducting accelerator vacuum acquirement rate, reduce beam loss, improve quality of beam.
Description
Technical field
This utility model belongs to particle and accelerates field, and in particular to a kind of superconducting cyclotron vacuum pumping system.
Background technology
Vacuum system is one of basic composition of superconducting cyclotron, and particle is returned in superconducting cyclotron vacuum chamber
Rotation motion, when accelerating gap obtains energy and is accelerated.According to superconducting cyclotron own characteristic, whole superconducting cyclotrons
Accelerator main magnet paddy area is used by the feed-in of radio frequency system and coupling device, and pumping equipment is only capable of with radio frequency system
Feed-in and be coupling in the space in main magnet paddy area to accelerate intracavity carry out vacuum exhaust.Current such superconducting cyclotron
General vacuum exhaust passage is to carry out vacuum exhaust using the space inside high frequency interior bar, and high frequency interior bar inner space is limited,
Cause vacuum exhaust path conductance limited, vacuum equipment is little to the effective pumping speed for accelerating intracavity, so as to cause inner ion source
Superconducting cyclotron accelerates intracavity vacuum low, and radio frequency system sparking and many-electron effect aggravate, and beam acceleration and transmission are imitated
Rate is low.Feed-in and coupled structure spy of a kind of superconducting cyclotron vacuum exhaust technology of the utility model according to radio frequency system
Point, opens up multiple vacuum exhaust paths, increases vacuum exhaust path conductance, improves superconducting cyclotron intracavity vacuum.
Superconducting cyclotron vacuum exhaust technology, increased on the basis of accelerator main magnet high frequency interior bar exhaust channel
Two exhaust spaces, solve the narrow and small engineering challenge of superconducting cyclotron vacuum system exhaust space.
Utility model content
For defect present in prior art, this utility model provides a kind of superconducting cyclotron vacuum exhaust system
System, by increasing capacitance it is possible to increase superconducting accelerator vacuum acquirement rate, improves the conductance of superconducting cyclotron vacuum exhaust, reduces line and damages
Lose, improve quality of beam.
To reach object above, the technical solution adopted in the utility model is：A kind of superconducting cyclotron vacuum exhaust
System, the vacuum pumping system include first exhaust path, second exhaust path and the 3rd exhaust channel；The first exhaust is led to
Road is arranged in the high frequency interior bar of superconducting cyclotron radio frequency system, and the second exhaust path is arranged on the height of radio frequency system
Between frequency interior bar and high frequency outer conductor, the high frequency outer conductor that the 3rd exhaust channel is arranged on radio frequency system is added with superconducting cyclotron
Between fast device main magnet cover plate；First exhaust path, second exhaust path and the 3rd exhaust channel are by boom end in high frequency
The D plates of setting are discharged.
Further, the first exhaust path, second exhaust path and the 3rd exhaust channel are in parallel.
Further, the high frequency interior bar side is provided with first gas opening, and the gas in first exhaust path is by the
One gas communication hole is discharged.
Further, the high frequency outer conductor is connected with high frequency interior bar by high frequency short circuit end, and high frequency short circuit end sets second
Gas communication hole, the gas in second exhaust path are discharged by second gas opening.
Further, the D plates are provided with multiple high frequency cavity distribution holes.
Further, the high frequency cavity distribution hole gas conduction is more than second exhaust path and the 3rd exhaust channel gas stream
Lead summation.
Further, the superconducting cyclotron vacuum pumping system is arranged in 6-8 main magnet paddy area.
Advantageous Effects of the present utility model are：
(1) this utility model is according to radio frequency system structure design characteristic, the cloth in the superconducting cyclotron main magnet paddy area
Multiple vacuum exhaust paths are put, so as to increase superconducting accelerator vacuum acquirement rate, superconducting cyclotron vacuum exhaust is improved
Conductance, reduces beam loss；
(2) superconducting cyclotron vacuum pumping system of the present utility model, not only solves superconducting cyclotron high
Vacuum environment is required, additionally it is possible to ensure that radio frequency system takes main magnet paddy area space problem；
(3) superconducting cyclotron vacuum pumping system of the present utility model, makes 230MeV superconducting cyclotrons, vacuum
Degree is better than 5E-6mbar.
Description of the drawings
Fig. 1 is this utility model superconducting cyclotron vacuum pumping system partial structural diagram.
In figure：
1- high-frequency unit installing space 2- main magnet cover plate 3- high frequency short circuits end
4- high frequency outer conductor 5-D plate 6- high frequency cavity distribution hole 7- high frequency interior bars
Specific embodiment
Below in conjunction with the accompanying drawings, specific embodiment of the present utility model is described in further detail.As shown in figure 1,
It is superconducting cyclotron vacuum pumping system partial structural diagram that this utility model is provided, the superconducting cyclotron is true
Empty gas extraction system includes first exhaust path, second exhaust path and the 3rd exhaust channel.First exhaust path is arranged on superconduction
In the high frequency interior bar 7 of cyclotron radio frequency system, second exhaust path is arranged on outside the high frequency interior bar 7 and high frequency of radio frequency system
Between conductor 4, the 3rd exhaust channel is arranged on superconducting cyclotron high frequency outer conductor 4 and superconducting cyclotron main magnet lid
Between plate 2；The D plates 5 that first exhaust path, second exhaust path and the 3rd exhaust channel are arranged by 7 end of high frequency interior bar
High frequency cavity distribution hole 6 discharge.
Wherein, radio frequency system includes high frequency interior bar 7 and high frequency outer conductor 4, and high frequency interior bar 7 is located in superconducting cyclotron
In 2 paddy area of main magnet cover plate, high frequency outer conductor 4 is located between main magnet cover plate 2 and high frequency interior bar 7, and passes through high frequency short circuit
End 3 is connected with high frequency interior bar 7.Radio frequency system is arranged on high-frequency unit installing space 1.
7 exhaust gas inside path space of high frequency interior bar is divided into two kinds of situations, and a kind of situation is that 7 side of high frequency interior bar is provided with first
Gas communication hole, the gas in first exhaust path passes through first gas opening and high frequency cavity distribution hole 6 is discharged；It is another kind of
Situation is the 7 side not perforate of high frequency interior bar, and the gas in first exhaust path is by high frequency interior bar 7 and high frequency cavity distribution hole 6
Discharge.
Between high frequency outer conductor 4 and high frequency interior bar 7, exhaust channel space is also classified into two kinds of situations, and one kind is in high frequency short circuit
End 3 is provided with second gas opening, and the gas in second exhaust path passes through second gas opening and high frequency cavity distribution hole 6
Discharge；Another kind of 3 not perforate of situation high frequency short circuit end, the gas in second exhaust path are discharged by high frequency cavity distribution hole 6.
First exhaust path, second exhaust path and the 3rd exhaust channel are in parallel, so, can ensure a plurality of path row simultaneously
Gas, rapidly improves the vacuum of superconducting cyclotron intracavity, reduces beam loss, improves quality of beam.
On high frequency cavity distribution hole 6, rule or irregular gas conduction are should be greater than between main magnet cover plate and high frequency outer conductor
And the conductance summation between high frequency outer conductor and high frequency interior bar, so, it is ensured that the smoothness of aerofluxuss.
Superconducting cyclotron vacuum pumping system is arranged in 6-8 main magnet paddy area.
The vacuum exhaust path that each superconducting cyclotron main magnet paddy area radio frequency system structure space can be arranged does not surpass
Cross three.
Below in conjunction with the accompanying drawings this utility model preferred embodiment is described further：
, by taking 230MeV superconducting cyclotron CYCIAE-230 as an example, 7 internal diameter 130mm of high frequency interior bar is high for this utility model
Equivalent diameter between frequency outer conductor 4 and high frequency interior bar 7 be 180mm, main magnet Gu Qu spaces diameter 280mm, three partial vacuums
Exhaust space is in parallel, and exhaust effect more only improves 30% with high frequency interior bar aperture vents, more only with high frequency outer conductor 4 and high frequency
7 aperture vents of bar improve 20%.
Superconducting cyclotron vacuum pumping system of the present utility model is not limited to above-mentioned specific embodiment, this area
Technical staff draws other embodiments according to the technical solution of the utility model, also belongs to technology wound of the present utility model
New range.
Claims (7)
1. a kind of superconducting cyclotron vacuum pumping system, is characterized in that：The vacuum pumping system include first exhaust path,
Second exhaust path and the 3rd exhaust channel；The first exhaust path is arranged on the high frequency of superconducting cyclotron radio frequency system
In interior bar (7), the second exhaust path is arranged between the high frequency interior bar (7) of radio frequency system and high frequency outer conductor (4), described
3rd exhaust channel is arranged between the high frequency outer conductor (4) of radio frequency system and superconducting cyclotron main magnet cover plate (2)；The
One exhaust channel, second exhaust path and the 3rd exhaust channel are discharged by the D plates (5) that high frequency interior bar (7) end is arranged.
2. a kind of superconducting cyclotron vacuum pumping system as claimed in claim 1, is characterized in that：The first exhaust is led to
Road, second exhaust path and the 3rd exhaust channel are in parallel.
3. a kind of superconducting cyclotron vacuum pumping system as claimed in claim 2, is characterized in that：The high frequency interior bar
(7) side is provided with first gas opening, and the gas in first exhaust path is discharged by first gas opening.
4. a kind of superconducting cyclotron vacuum pumping system as claimed in claim 3, is characterized in that：The high frequency outer conductor
(4) it is connected with high frequency interior bar (7) by high frequency short circuit end (3), high frequency short circuit end (3) set second gas opening, second row
Gas in gas path is discharged by second gas opening.
5. a kind of superconducting cyclotron vacuum pumping system as claimed in claim 4, is characterized in that：The D plates are provided with
Multiple high frequency cavity distribution holes (6).
6. a kind of superconducting cyclotron vacuum pumping system as claimed in claim 5, is characterized in that：The high frequency cavity point
Cloth hole (6) gas conduction is more than second exhaust path and the 3rd exhaust channel gas conduction summation.
7. a kind of superconducting cyclotron vacuum pumping system as described in any one of claim 1-6, is characterized in that：It is described super
Lead cyclotron vacuum pumping system and be arranged in 6-8 main magnet paddy area.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620957575.7U CN206061264U (en) | 2016-08-26 | 2016-08-26 | A kind of superconducting cyclotron vacuum pumping system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620957575.7U CN206061264U (en) | 2016-08-26 | 2016-08-26 | A kind of superconducting cyclotron vacuum pumping system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206061264U true CN206061264U (en) | 2017-03-29 |
Family
ID=58381945
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620957575.7U Withdrawn - After Issue CN206061264U (en) | 2016-08-26 | 2016-08-26 | A kind of superconducting cyclotron vacuum pumping system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206061264U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106211537A (en) * | 2016-08-26 | 2016-12-07 | 中国原子能科学研究院 | A kind of superconducting cyclotron vacuum pumping system |
-
2016
- 2016-08-26 CN CN201620957575.7U patent/CN206061264U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106211537A (en) * | 2016-08-26 | 2016-12-07 | 中国原子能科学研究院 | A kind of superconducting cyclotron vacuum pumping system |
| CN106211537B (en) * | 2016-08-26 | 2019-01-29 | 中国原子能科学研究院 | A kind of superconducting cyclotron vacuum pumping system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20170329 Effective date of abandoning: 20190129 |