CN104619110A - Edge-coupling standing wave accelerating tube - Google Patents
Edge-coupling standing wave accelerating tube Download PDFInfo
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- CN104619110A CN104619110A CN201510096968.3A CN201510096968A CN104619110A CN 104619110 A CN104619110 A CN 104619110A CN 201510096968 A CN201510096968 A CN 201510096968A CN 104619110 A CN104619110 A CN 104619110A
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- standing wave
- accelerating tube
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- tube
- cooling
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Abstract
The invention provides an edge-coupling standing wave accelerating tube. The accelerating tube comprises a main cavity chain, coupling cavities and cooling tubes, wherein a plurality of holding grooves are formed in the outer surface of the main cavity chain, the holding grooves are distributed around the main cavity chain and respectively extend in the axis direction of the main cavity chain, and the cooling tubes are embedded in the holding grooves. Through the use of the edge-coupling standing wave accelerating tube disclosed by the invention, the cooling efficiency is effectively improved, the energy consumption of a cooler unit is reduced, besides the integral structure of the accelerating tube is compact, the accelerating tube is particularly used for a small-scale edge-coupling standing wave accelerating tube with a smaller outer diameter, a water tube with a smaller tube diameter can be adopted, and the accelerating tube is convenient to design and arrange. Compared with an inner-cooling structure, and under the premise that the cooling effect is not lost too much, the risk of leakage in the body of the accelerating tube can be effectively avoided.
Description
Technical field
The present invention relates to electronic linear accelerating tube, be specially the limit coupled standing wave accelerator tube that a kind of cooling effectiveness is greatly improved.
Background technology
Accelerating tube is the critical component of accelerator, and it accelerating to high energy from electron gun injected electrons under microwave electric field effect, and finally practicing shooting produces sigmatron.Accelerating tube main cavity and target can produce heat in the process, thus working temperature is raised.But the change of accelerating tube working temperature can cause the change of accelerating tube operating frequency.In order to maintain the normal work of accelerating tube, the constant temperature circulating water-cooling apparatus for lowering the temperature can be set.The structure of conventional cooling device has two kinds, external-cooling type and inner-cooled.
Limit coupled standing wave accelerator tube is the accelerating tube type that low-yield medical radiotherapy equipment and radiation imaging apparatus are conventional, and the structure of this type accelerating tube is respectively provided with a side coupling cavity outward at multiple cylindrical main cavity.
The external-cooling type cooling device of existing limit coupled standing wave accelerator tube pastes weldering seamless copper pipe in cylindrical accelerating tube main cavity outer surface coiling, and in pipe, logical constant temperature circulating cooling water is in constant working temperature to keep accelerating tube; Inner cold type cooling device the chamber wall between accelerating tube main cavity and outer surface processes the passage of one group of through hole as constant temperature circulating cooling water, cools acceleration body.
The advantage of external-cooling type structure is: structure is simple, good manufacturability, cooling water medium No leakage risk; Shortcoming is: the contact-making surface of water cooling tube and accelerating tube body is less, and heat exchanger effectiveness is low, and cooling effect is poor, needs to strengthen the power of cooling unit for improving cooling effect.
The advantage of inner-cooled structure is: good cooling results; Shortcoming is: welding procedure difficulty is comparatively large, once produce weld defect to cause the risk of scrapping by causing the internal leak that unrepairable occurs between water-cooling channel and main cavity.In addition, built-in water-cooling channel adds additional the wall thickness of main cavity to a certain extent.
Summary of the invention
For solving the problems of the technologies described above, the invention provides a kind of limit coupled standing wave accelerator tube, comprise main chamber chain, coupling cavity and cooling water pipe, the outer surface of described main chamber chain is provided with many holding tanks, described many holding tanks distribute around described main chamber chain, and all extend along the axis direction of described main chamber chain, described cooling water pipe is embedded in described many holding tanks.
According to an embodiment of the present invention, the shape of wherein said holding tank and described cooling water pipe match.
According to another embodiment of the present invention, wherein said holding tank is circular groove.
According to another embodiment of the present invention, the central angle of wherein said circular groove is 90 ° ~ 180 °.
According to another embodiment of the present invention, wherein said main chamber chain to be arranged in order along its axis direction by multiple coaxial main cavity and to be formed, and described multiple main cavity and described main chamber chain have identical axis.
According to another embodiment of the present invention, wherein all offer many grooves extended along described main cavity axis direction at the outer surface of each described main cavity, described many grooves distribute around described main cavity, and described holding tank is made up of corresponding groove arrangement on described multiple main cavity.
According to another embodiment of the present invention, wherein said cooling water pipe is embedded in described holding tank by welding.
Limit of the present invention coupled standing wave accelerator tube, effectively improves cooling effectiveness, reduces the energy consumption of cooling unit; Make accelerating tube overall structure become compact simultaneously, the water pipe of more slim pipe diameter can be adopted especially for the small side coupled standing wave accelerator tube that external diameter is less, be convenient to design arrangement.Relative inner-cooled structure, under the prerequisite exceeding loss cooling effect, effectively can evade the risk accelerating body internal leak.
Accompanying drawing explanation
Fig. 1 is the structural representation of the limit coupled standing wave accelerator tube of one embodiment of the present invention;
Fig. 2 is the cutaway view along A-A line in Fig. 1;
Fig. 3 is the cutaway view not arranging cooling water pipe of Fig. 2.
Embodiment
The exemplary embodiments embodying feature & benefits of the present invention will describe in detail in the following description.Be understood that the present invention can have various changes in different embodiments, it neither departs from the scope of the present invention, and explanation wherein and to be shown in be use when explain in essence, and be not used to limit the present invention.
As shown in Figures 1 to 3, the limit coupled standing wave accelerator tube of one embodiment of the present invention, comprise main chamber chain 1, coupling cavity 2 and cooling water pipe 3, coupling cavity 2 is arranged at the outer surface of main chamber chain 1, many holding tanks are also provided with at the outer surface of main chamber chain 1, many holding tank is arranged around main chamber chain 1, and cooling water pipe 3 is arranged in holding tank, and many holding tanks all extend along the axis direction of main chamber chain 1.
Main chamber chain 1 can be arranged in order welding by multiple main cavity 10 along its axis direction and be formed, and multiple main cavity 10 has identical axis with main chamber chain 1.Many the grooves 11 extended along main cavity 10 axis direction all can be offered at the outer surface of each main cavity 10, multiple groove 11 distributes around main cavity 10, and the position of a groove 11 on all arbitrary with other main cavity 10 of each groove 11 on each main cavity 10 is corresponding.Holding tank is rearranged by groove 11 corresponding on multiple main cavity 10, makes the groove 11 corresponding with on other main cavity 10 of many grooves 11 on each main cavity 10 form many holding tanks.
Cooling water pipe 3 is embedded in holding tank by welding, and the setting of holding tank can increase the contact area of cooling water pipe 3 and main cavity 10, and then improves cooling effectiveness.Holding tank can equally spaced be uniformly distributed around the outer surface of main chamber chain 1, to make cooling effect more even.The quantity of holding tank can be selected according to the size of main chamber chain 1 or actual needs, and in the present invention, holding tank is preferably 4.The material of cooling water pipe 3 of the present invention can for the good and moulded manufacturability of thermal conductivity might as well pure copper tube.Cooling water pipe comprises import and outlet, and its shape can for import and outlet be to adjoining ring pipe, and every bar annular cooling conduit need be arranged in two holding tanks, and in the present invention, the quantity of cooling water pipe is preferably two.
The groove 11 of composition holding tank is preferably circular groove, and to increase the contact area with cooling water pipe 3, circular groove refers to that the cross section of groove is a circular arc.The circular groove being positioned at same holding tank preferably has identical circle core shaft, and circle core shaft refers to the line in the center of circle that all circular arcs are corresponding on groove.Further, the shape of circular groove 11 can match with cooling water pipe 3, and namely the diameter of the circular arc of groove 11 is equal with the external diameter of cooling water pipe 3 cross section, make the arc surface of groove 11 completely and cooling water pipe 3 fit, make it more effectively improve cooling effectiveness.
For improving cooling effectiveness to greatest extent, evade the risk of accelerating tube internal leak, the central angle of the arc surface of groove 11 is preferably 90 ° ~ 180 ° simultaneously.
Cooling water pipe is embedded at the outer surface of main chamber chain by limit of the present invention coupled standing wave accelerator tube, significantly adds heat exchange area, effectively improve cooling effectiveness compared with the external-cooling type structure of prior art, reduces the energy consumption of cooling unit; Make accelerating tube overall structure become compact simultaneously, the water pipe of more slim pipe diameter can be adopted especially for the small side coupled standing wave accelerator tube that external diameter is less, be convenient to design arrangement.Relative inner-cooled structure, under the prerequisite exceeding loss cooling effect, effectively can evade the risk accelerating body internal leak.
Unless limited otherwise, term used herein is the implication that those skilled in the art understand usually.
Execution mode described in the invention is only for exemplary purpose; and be not used to limit the scope of the invention, those skilled in the art can make other replacements various, changes and improvements within the scope of the invention, thus; the invention is not restricted to above-mentioned execution mode, and be only defined by the claims.
Claims (7)
1. a limit coupled standing wave accelerator tube, comprise main chamber chain, coupling cavity and cooling water pipe, the outer surface of described main chamber chain is provided with many holding tanks, described many holding tanks distribute around described main chamber chain, and all extend along the axis direction of described main chamber chain, described cooling water pipe is embedded in described many holding tanks.
2. limit according to claim 1 coupled standing wave accelerator tube, shape and the described cooling water pipe of wherein said holding tank match.
3. limit according to claim 1 coupled standing wave accelerator tube, wherein said holding tank is circular groove.
4. limit according to claim 3 coupled standing wave accelerator tube, the central angle of wherein said circular groove is 90 ° ~ 180 °.
5. limit according to claim 1 coupled standing wave accelerator tube, wherein said main chamber chain to be arranged in order along its axis direction by multiple coaxial main cavity and to be formed, and described multiple main cavity and described main chamber chain have identical axis.
6. limit according to claim 5 coupled standing wave accelerator tube, wherein all offer many grooves extended along described main cavity axis direction at the outer surface of each described main cavity, described many grooves distribute around described main cavity, and described holding tank is made up of corresponding groove arrangement on described multiple main cavity.
7. limit according to claim 1 coupled standing wave accelerator tube, wherein said cooling water pipe is embedded in described holding tank by welding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510096968.3A CN104619110A (en) | 2015-03-04 | 2015-03-04 | Edge-coupling standing wave accelerating tube |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510096968.3A CN104619110A (en) | 2015-03-04 | 2015-03-04 | Edge-coupling standing wave accelerating tube |
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| Publication Number | Publication Date |
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| CN104619110A true CN104619110A (en) | 2015-05-13 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510096968.3A Pending CN104619110A (en) | 2015-03-04 | 2015-03-04 | Edge-coupling standing wave accelerating tube |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106851958A (en) * | 2017-02-14 | 2017-06-13 | 上海联影医疗科技有限公司 | Accelerating tube |
| CN114189974A (en) * | 2021-11-08 | 2022-03-15 | 中国电子科技集团公司第十二研究所 | Standing wave edge coupling accelerating tube and accelerator |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4155027A (en) * | 1977-05-09 | 1979-05-15 | Atomic Energy Of Canada Limited | S-Band standing wave accelerator structure with on-axis couplers |
| US4286192A (en) * | 1979-10-12 | 1981-08-25 | Varian Associates, Inc. | Variable energy standing wave linear accelerator structure |
| GB2081502A (en) * | 1980-07-28 | 1982-02-17 | Varian Associates | Variable field coupled cavity resonator circuit for a linear accelerator |
| JPS63274098A (en) * | 1987-05-01 | 1988-11-11 | Toshiba Corp | Standing wave linear accelerator |
| EP0895266A1 (en) * | 1997-07-29 | 1999-02-03 | Sumitomo Heavy Industries, Ltd. | Electron gun with photocathode |
| JP2003209000A (en) * | 2002-01-15 | 2003-07-25 | Mitsubishi Electric Corp | Cooling flow-way structure of high frequency acceleration cavity |
| CN202634872U (en) * | 2012-06-04 | 2012-12-26 | 山东新华医疗器械股份有限公司 | 6MeV single-photon medical low-energy standing wave accelerating tube |
| CN103260332A (en) * | 2013-05-29 | 2013-08-21 | 山东新华医疗器械股份有限公司 | Cross coupling standing wave accelerating tube |
| CN103702548A (en) * | 2013-12-20 | 2014-04-02 | 中国科学院高能物理研究所 | Cooling component for accelerating tube |
-
2015
- 2015-03-04 CN CN201510096968.3A patent/CN104619110A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4155027A (en) * | 1977-05-09 | 1979-05-15 | Atomic Energy Of Canada Limited | S-Band standing wave accelerator structure with on-axis couplers |
| US4286192A (en) * | 1979-10-12 | 1981-08-25 | Varian Associates, Inc. | Variable energy standing wave linear accelerator structure |
| GB2081502A (en) * | 1980-07-28 | 1982-02-17 | Varian Associates | Variable field coupled cavity resonator circuit for a linear accelerator |
| JPS63274098A (en) * | 1987-05-01 | 1988-11-11 | Toshiba Corp | Standing wave linear accelerator |
| EP0895266A1 (en) * | 1997-07-29 | 1999-02-03 | Sumitomo Heavy Industries, Ltd. | Electron gun with photocathode |
| JP2003209000A (en) * | 2002-01-15 | 2003-07-25 | Mitsubishi Electric Corp | Cooling flow-way structure of high frequency acceleration cavity |
| CN202634872U (en) * | 2012-06-04 | 2012-12-26 | 山东新华医疗器械股份有限公司 | 6MeV single-photon medical low-energy standing wave accelerating tube |
| CN103260332A (en) * | 2013-05-29 | 2013-08-21 | 山东新华医疗器械股份有限公司 | Cross coupling standing wave accelerating tube |
| CN103702548A (en) * | 2013-12-20 | 2014-04-02 | 中国科学院高能物理研究所 | Cooling component for accelerating tube |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106851958A (en) * | 2017-02-14 | 2017-06-13 | 上海联影医疗科技有限公司 | Accelerating tube |
| CN106851958B (en) * | 2017-02-14 | 2019-02-12 | 上海联影医疗科技有限公司 | Accelerating tube |
| CN114189974A (en) * | 2021-11-08 | 2022-03-15 | 中国电子科技集团公司第十二研究所 | Standing wave edge coupling accelerating tube and accelerator |
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Application publication date: 20150513 |