CN106132063B - A kind of superconducting cyclotron vacuum equipment - Google Patents
A kind of superconducting cyclotron vacuum equipment Download PDFInfo
- Publication number
- CN106132063B CN106132063B CN201610617115.4A CN201610617115A CN106132063B CN 106132063 B CN106132063 B CN 106132063B CN 201610617115 A CN201610617115 A CN 201610617115A CN 106132063 B CN106132063 B CN 106132063B
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- CN
- China
- Prior art keywords
- vacuum
- superconducting cyclotron
- magnetic screen
- vacuum equipment
- screen cylinder
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Classifications
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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
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K9/00—Screening of apparatus or components against electric or magnetic fields
- H05K9/0007—Casings
Abstract
The present invention relates to a kind of superconducting cyclotron vacuum equipments, the vacuum equipment includes the pump housing (4) and coupled vacuum valve (3), and vacuum valve (3) is connected with superconducting cyclotron vacuum chamber (1)；Magnetic screen cylinder (2) are equipped in the periphery of the pump housing (4) and vacuum valve (3), magnetic screen cylinder (2) is connected with vacuum chamber (1).Using vacuum equipment of the invention, magnetic screen cylinder is connect with vacuum chamber, forms field circuit between magnetic screen inner barrel and vacuum chamber, to protect the intracorporal vacuum equipment of magnetic shielding cylinder, it is ensured that long-term safety uses under strong magnetic field circumstance.
Description
Technical field
The invention belongs to equipment protection fields, and in particular to a kind of superconducting cyclotron vacuum equipment.
Background technique
The magnetic flux leakage of superconducting cyclotron center magnetic field strength about 2-5T, main magnet can be to the work of component around
It has an impact, molecular pump, cryogenic pump, the component that vacuum valve etc. needs to move in magnetic field is very sensitive to magnetic field strength, conventional
Molecular pump, cryogenic pump etc. be required to working environment magnetic field strength lower than 50Gauss, for superconducting cyclotron, vacuum is set
Standby to be located near superconducting cyclotron main magnet cover board mostly, the magnetic field at vacuum equipment position is even as high as 1000Gauss,
It is far longer than the required operating fields environment of conventional vacuum equipment.The present invention provides a kind of superconducting cyclotron as a result,
The vacuum chamber that vacuum equipment protection cylinder is connected with vacuum equipment is formed magnetic field by the protective device of strong magnetic field circumstance vacuum equipment
The intracorporal vacuum equipment of cylinder is protected in circuit.
Summary of the invention
In view of the deficiencies in the prior art, the purpose of the present invention is to provide a kind of superconducting cyclotron vacuum to set
It is standby, it is ensured that long-term safety uses under strong magnetic field circumstance, and it is tired using engineering technology to solve the vacuum equipment under strong magnetic field circumstance
Difficult problem.
To achieve the above objectives, the technical solution adopted by the present invention is that: a kind of superconducting cyclotron vacuum equipment is provided,
Including the pump housing and coupled vacuum valve, the vacuum valve is connected with superconducting cyclotron vacuum chamber；It is pumping
The periphery of body and vacuum valve is equipped with magnetic screen cylinder, and the magnetic screen cylinder is closed at one end, and the other end is connected with vacuum chamber, into
And field circuit is formed between magnetic screen inner barrel and vacuum chamber.
Further, the magnetic screen cylinder is flat-open type, detachable structure.
Further, the magnetic screen cylinder includes upper shell and lower shell, at the upper opening of upper shell and under lower shell
Opening is equipped with corresponding semi-circular recesses.
Further, first connecting portion part and second connecting portion part are respectively equipped on the upper shell and lower shell.
Further, the pump housing is connect with vacuum valve by sealing element.
The beneficial technical effect of the present invention lies in:
(1) vacuum equipment of the invention avoids high-intensity magnetic field ring in the pump housing and the periphery setting magnetic screen cylinder of vacuum valve
Vacuum equipment under border is damaged；
(2) magnetic screen cylinder is connected by the present invention with vacuum chamber, is allowed between the inside and vacuum chamber of vacuum equipment
Field circuit is formed, to protect the intracorporal vacuum equipment of magnetic shielding cylinder, guarantees that long-term safety uses.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of superconducting cyclotron vacuum equipment of the present invention；
Fig. 2 is the seperated figure of superconducting cyclotron vacuum equipment of the present invention.
In figure:
1- vacuum chamber 2- magnetic screen cylinder 2A- lower shell 2B- upper shell 3- vacuum valve
4- pump housing 5- sealing element 6- first connecting portion part 7- second connecting portion part
8- semi-circular recesses
Specific embodiment
With reference to the accompanying drawing, a specific embodiment of the invention is described in further detail.
As shown in Figure 1, 2, be a kind of superconducting cyclotron vacuum equipment provided by the invention, including the pump housing 4 and and its
The vacuum valve 3 being connected, vacuum valve 3 are connected with superconducting cyclotron vacuum chamber 1.In the pump housing 4 and vacuum valve 3
Periphery is equipped with magnetic screen cylinder 2, which is enclosed construction, and the other end is to be connected with vacuum chamber 1, makes
Form field circuit between the inside and vacuum chamber of vacuum equipment, thus protect the intracorporal vacuum equipment of magnetic shielding cylinder not by
The destruction of strong magnetic field circumstance.In order to guarantee the leakproofness between the pump housing 4 and vacuum valve 3, between the pump housing 4 and vacuum valve 3
Equipped with sealing element 5.
The magnetic screen cylinder 2 is flat-open type, fast connection, detachable structure comprising upper shell 2B and lower shell 2A, upper cylinder
The semi-circular recesses 8 for placing pump shaft are equipped at the lower opening of body 2B and the upper opening of lower shell.
For the ease of rapidly connecting and dismantling, it is respectively equipped on upper shell 2B and lower shell 2A by upper shell 2B and lower cylinder
First connecting portion part 6 of body 2A connection and the second connecting portion part for connecting upper shell 2B and lower shell 2A with vacuum chamber 1 respectively
7。
It should be noted that vacuum equipment of the invention is not limited to the pump housing, vacuum valve and sealing element, arbitrarily in high-intensity magnetic field
The vacuum equipment used under environment can be protected by this method.
The pump housing 4 and vacuum valve 3 are connected by sealing ring 5 and vacuum chamber 1 when work, it will by first connecting portion part 6
Upper shell and lower shell snap together, and are connect by second connecting portion part 7 with vacuum chamber.The present invention is returned with 230MeV superconduction
For revolving accelerator CYCIAE-230, vacuum equipment be located at distance 230MeV superconducting cyclotron main magnet cover board top and under
At the square position 700mm, the remnant field at the position is about 1000Gauss, using end surface thickness 10mm, lateral thickness 10cm,
30Gauss can be dropped in magnetic screen cylinder 2 from 1000Gauss, thus, it is ensured that vacuum equipment is used for a long time safely.
Superconducting cyclotron vacuum equipment of the invention is not limited to the above-mentioned specific embodiments, those skilled in the art
It can derive other implementation manners according to the technical scheme of the present invention, also belong to the scope of the technical innovation of the present invention.
Claims (4)
1. a kind of superconducting cyclotron vacuum equipment, including the pump housing (4) and coupled vacuum valve (3), feature
Be: the vacuum valve (3) is connected with superconducting cyclotron vacuum chamber (1)；In the outer of the pump housing (4) and vacuum valve (3)
It encloses and is equipped with magnetic screen cylinder (2), the magnetic screen cylinder (2) is closed at one end, and the other end is connected with vacuum chamber (1), in magnetic screen
Field circuit is formed between inner barrel and vacuum chamber, the magnetic screen cylinder (2) is flat-open type, detachable structure.
2. a kind of superconducting cyclotron vacuum equipment as described in claim 1, it is characterized in that: the magnetic screen cylinder (2)
Including upper shell (2B) and lower shell (2A), at the upper opening of upper shell (2B) and the lower opening of lower shell is equipped with corresponding half
Circular groove.
3. a kind of superconducting cyclotron vacuum equipment as claimed in claim 2, it is characterized in that: the upper shell (2B) and under
First connecting portion part (6) and second connecting portion part (7) are respectively equipped on cylinder (2A).
4. a kind of superconducting cyclotron vacuum equipment as described in any one of claims 1-3, it is characterized in that: the pump housing
(4) it is connect with vacuum valve (3) by sealing element (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610617115.4A CN106132063B (en) | 2016-07-29 | 2016-07-29 | A kind of superconducting cyclotron vacuum equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610617115.4A CN106132063B (en) | 2016-07-29 | 2016-07-29 | A kind of superconducting cyclotron vacuum equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106132063A CN106132063A (en) | 2016-11-16 |
| CN106132063B true CN106132063B (en) | 2019-05-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610617115.4A Active CN106132063B (en) | 2016-07-29 | 2016-07-29 | A kind of superconducting cyclotron vacuum equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106132063B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109078941B (en) * | 2018-08-01 | 2020-12-29 | 合肥中科离子医学技术装备有限公司 | Cleaning equipment and cleaning method for vacuum chamber of superconducting cyclotron |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2786909Y (en) * | 2005-01-27 | 2006-06-07 | 宋益民 | Electronic sensor accelerator |
| CN103766006A (en) * | 2011-07-07 | 2014-04-30 | 艾昂耐提柯斯有限公司 | Compact, cold, superconducting isochronous cyclotron |
| CN205883692U (en) * | 2016-07-29 | 2017-01-11 | 中国原子能科学研究院 | Superconducting cyclotron vacuum apparatus |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9661736B2 (en) * | 2014-02-20 | 2017-05-23 | Mevion Medical Systems, Inc. | Scanning system for a particle therapy system |
-
2016
- 2016-07-29 CN CN201610617115.4A patent/CN106132063B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2786909Y (en) * | 2005-01-27 | 2006-06-07 | 宋益民 | Electronic sensor accelerator |
| CN103766006A (en) * | 2011-07-07 | 2014-04-30 | 艾昂耐提柯斯有限公司 | Compact, cold, superconducting isochronous cyclotron |
| CN205883692U (en) * | 2016-07-29 | 2017-01-11 | 中国原子能科学研究院 | Superconducting cyclotron vacuum apparatus |
Non-Patent Citations (1)
| Title |
|---|
| 强磁场屏蔽有限元设计;付中泽等;《金属功能材料》;20121231;摘要、正文第1页 |
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| CN106132063A (en) | 2016-11-16 |
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