CN101076222A - Angular-coupling resident wave accelerating pipe - Google Patents
Angular-coupling resident wave accelerating pipe Download PDFInfo
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- CN101076222A CN101076222A CN 200610078378 CN200610078378A CN101076222A CN 101076222 A CN101076222 A CN 101076222A CN 200610078378 CN200610078378 CN 200610078378 CN 200610078378 A CN200610078378 A CN 200610078378A CN 101076222 A CN101076222 A CN 101076222A
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Abstract
The invention comprises: an electron gun, cover board, corner coupled standing wave accelerating structure, stand wave semi accelerating structure without coupling cavity, base plate, transition waveguide and waveguide window. The coupling cavity of said corner coupled standing wave accelerating structure is semicircular cylinder cavity; on cavity walls of both right and left bottom sides, the right and left slots are respectively set up; in the right and left slots are respectively mounted with a right and left male tabs; the coupling cavity is connected to the right and left semi accelerating cavity via the right and left coupling holes; on the opening of the coupling cavity the cover board is mounted.
Description
Technical field
The present invention relates to the atomic energy technology field, particularly a kind of angular-coupling resident wave accelerating pipe.
Background technology
Traditional various standing wave accelerating structures are broadly divided into following three major types:
1. limit coupling standing wave accelerating structure (Side Coupled Structure)
With reference to Fig. 6 and Fig. 7, present the most frequently used a kind of standing wave accelerating structure, its coupling cavity places one of accelerating cavity outer wall side, links to each other with accelerating cavity by coupling aperture.Advantage is a coupling cavity and the central axis of accelerating cavity separates, and accelerating cavity can fully be optimized, the acceleration efficiency height; The outer wall of accelerating cavity and coupling cavity all is easy to approaching, is convenient to push tuning to accelerating cavity and coupling cavity.Shortcoming is a nonaxisymmetric structure, processing, assembling, welding procedure complexity; Radial dimension is big, is unfavorable for settling focusing coil.
2. axle coupling standing wave accelerating structure
Axle coupling standing wave accelerating structure divides following several again:
(1) axle coupling standing wave accelerating structure (On-axis Coupled Structure)
With reference to Fig. 8 and Fig. 9, coupling cavity places between two accelerating cavities, and the coupling cavity central axis is consistent with the accelerating cavity central axes, links to each other with accelerating cavity by coupling aperture.Advantage is an axially symmetric structure, assembling, convenient welding; Radial dimension is little, helps settling focusing coil.Shortcoming is the axial space that coupling cavity has taken accelerating cavity, and accelerating cavity can not fully be optimized; Coupling cavity is not accessible, is not easy to the coupling cavity extruding tuning.Axle coupling standing wave accelerating structure is to use more a kind of standing wave accelerating structure beyond the flash trimming coupling standing wave accelerating structure.
(2) coaxial coupling standing wave accelerating structure (Co-axis Coupled Structure)
With reference to Figure 10 and Figure 11, similar to axle coupling standing wave accelerating structure, just coupling cavity is taked enclosed construction near central axis one side, helps reducing the disturbance of line to coupling cavity, and its pluses and minuses are identical with axle coupling standing wave accelerating structure.
(3) cut dish coupling standing wave accelerating structure (Cut Disk Structure)
With reference to Figure 12 and Figure 13, similar to axle coupling standing wave accelerating structure and coaxial coupling standing wave accelerating structure, just coupling aperture shifts near the nose cone place of accelerating cavity, and coupling coefficient is bigger, and its pluses and minuses are identical with the former two.
3. loop coupling standing wave accelerating structure
Loop coupling standing wave accelerating structure divides following several again:
(1) loop coupling standing wave accelerating structure (Annular Coupled Structure)
With reference to Figure 14 and Figure 15, coupling cavity places scope around 360 ° in the accelerating cavity outside, and advantage is an axially symmetric structure, assembling, convenient welding, and shortcoming is that radial dimension is big; Coupling cavity has surrounded accelerating cavity, is unfavorable near accelerating cavity and tuning to accelerating cavity.
(2) arrow coupling standing wave accelerating structure (Arrow Coupled Structure)
With reference to Figure 16 and Figure 17, the coupling cavity cross section is flechette-type, is inserted between two accelerating cavities, and advantage is an axially symmetric structure, assembling, convenient welding.Shortcoming is that radial dimension is very big, is unfavorable for settling focusing coil; Accelerating cavity is not accessible, is not easy to accelerating cavity tuning.
(3) coil coupling standing wave accelerating structure (Disk and Washer Structure)
With reference to Figure 18 and Figure 19, the coupling aperture of loop coupling standing wave accelerating structure is extended to 360 ° of scopes of whole circumference just become so-called coil accelerating structure, coupling coefficient is big, but except the common shortcoming of general loop coupling standing wave accelerating structure, also there be the support problem and the pattern overlap problem of acceleration dish.
Summary of the invention
The objective of the invention is to overcome the above-mentioned defective of known technology, provide that a kind of size is little, efficient is high, the easier angular-coupling resident wave accelerating pipe of manufacturing process.
For achieving the above object, angular-coupling resident wave accelerating pipe of the present invention, comprise the electron gun that is fixedly connected sequentially together, cover plate, several angles coupling standing wave accelerating structure unit, one not with standing wave false add speed construction unit, the base of coupling cavity, transition waceguide and waveguide window; The left side that the cavity of angle coupling standing wave accelerating structure unit has two symmetries, right half accelerating cavity, the cavity with the standing wave false add of coupling cavity speed construction unit does not have half accelerating cavity, transition waceguide one end communicates with accelerating cavity, the other end and waveguide window join, the cavity of described angle coupling standing wave accelerating structure unit is on a described left side, corner regions between right half accelerating cavity and the chamber outer wall is provided with coupling cavity, the cavity shape of described coupling cavity is the semicolumn cavity that a horizontal axis is arranged, the upper surface of described semicolumn cavity constitutes the opening of described cavity, on a described semicolumn cavity left side, be respectively equipped with an outward extending left side on the chamber wall of right both ends of the surface, right groove, a described left side, in the right groove left side is housed respectively, right boss, a described left side, fit with the chamber wall of described coupling cavity respectively and be fixed together in the bottom surface of right boss; Be respectively equipped with left coupling aperture and the right coupling aperture that communicates with it between described coupling cavity and a described left side half accelerating cavity and right half accelerating cavity; The opening of described coupling cavity is installed with cover plate.
Angular-coupling resident wave accelerating pipe of the present invention, wherein said left and right boss is a cylinder, a rounded bottom surface of left and right boss is fitted with the end face chamber wall of coupling cavity respectively and is welded together.
Angular-coupling resident wave accelerating pipe of the present invention, wherein said cover plate are annular or part annular, merge mutually with the outer wall of cavity to weld together.
Angular-coupling resident wave accelerating pipe of the present invention, the bottom of wherein said base and waveguide window is positioned at same horizontal level, and transition waceguide is inclined upwardly and is installed between the standing wave false add speed construction unit and waveguide window of not being with coupling cavity.
Angular-coupling resident wave accelerating pipe of the present invention, the quantity of wherein said angle coupling standing wave accelerating structure unit is 5.
The advantage and the good effect of angular-coupling resident wave accelerating pipe of the present invention are: because the coupling cavity of angle coupling standing wave accelerating structure is placed in the corner regions between adjacent two accelerating cavities and the chamber outer wall, the angular-coupling resident wave accelerating pipe that is combined into it has the advantage of limit coupled standing wave accelerator tube and axis-coupled standing wave accelerator tube concurrently, optimal design to accelerating cavity is very favourable, by adjusting a left side, the size of right boss and coupling cavity, the resonance frequency that can satisfy accelerating cavity satisfies the condition of resonance coupling, thereby provides a kind of size little, the efficient height, the easier angular-coupling resident wave accelerating pipe of manufacturing process.
Be elaborated with reference to accompanying drawing below in conjunction with embodiment, so that purpose of the present invention, feature and advantage are had deep understanding.
Description of drawings
Fig. 1 is the front view of angular-coupling resident wave accelerating pipe of the present invention;
Fig. 2 is the vertical view of angular-coupling resident wave accelerating pipe of the present invention;
Fig. 3 is the main pseudosection of angle coupling standing wave accelerating structure unit among Fig. 1;
Fig. 4 is the vertical view of angle coupling standing wave accelerating structure unit among Fig. 3;
Fig. 5 is the end view of angle coupling standing wave accelerating structure unit among Fig. 3;
Fig. 6 is the main pseudosection of limit coupling standing wave accelerating structure;
Fig. 7 is the left view of limit coupling standing wave accelerating structure;
Fig. 8 is the main pseudosection of axle coupling standing wave accelerating structure;
Fig. 9 is the left view of axle coupling standing wave accelerating structure;
Figure 10 is the main pseudosection with coupling standing wave accelerating structure;
Figure 11 is the left view with coupling standing wave accelerating structure;
Figure 12 is a main pseudosection of cutting dish coupling standing wave accelerating structure;
Figure 13 is a left view of cutting dish coupling standing wave accelerating structure;
Figure 14 is the main pseudosection of loop coupling standing wave accelerating structure;
Figure 15 is the left view of cyclization standing wave accelerating structure;
Figure 16 is the main pseudosection of arrow coupling standing wave accelerating structure;
Figure 17 is the left view of arrow coupling standing wave accelerating structure;
Figure 18 is the main pseudosection of coil coupling standing wave accelerating structure;
Figure 19 is the left view of coil coupling standing wave accelerating structure;
Figure 20 is the main pseudosection of false add speed construction unit among Fig. 1.
Embodiment
Describe embodiments of the invention in detail below in conjunction with accompanying drawing.
The embodiment of angular-coupling resident wave accelerating pipe provided by the invention (Corner Coupled Standing Wave Accelerator Tube) forms an angular-coupling resident wave accelerating pipe with angle coupling standing wave accelerating structure of the present invention unit 14.In principle, the angle coupling standing wave accelerating structure unit of employing varying number can be formed the angular-coupling resident wave accelerating pipe of different-energy easily.With reference to Fig. 1, add the false add speed construction unit of not being with coupling cavity with 5 angle coupling standing wave accelerating structure unit and formed a low energy angular-coupling resident wave accelerating pipe, suitably increase angle coupling standing wave accelerating structure unit number and can increase the accelerating tube energy.
See figures.1.and.2, build with annular cover 15 upper end after each angle coupling standing wave accelerating structure unit cavity 4 interconnects, and constitutes the accelerating cavity 1 of sealing.Electron gun 16 is housed on the closing disk 15, and following termination is not with fast construction unit 17 of the false add of coupling cavity and base 18.With reference to Figure 20, the cavity 40 with the standing wave false add of coupling cavity speed construction unit 17 does not have half accelerating cavity 41, transition waceguide 19 1 ends communicate with half accelerating cavity 41, the other end and waveguide window 20 join, wherein transition waceguide 19 is inclined upwardly, make waveguide window 20 belows on the angular-coupling resident wave accelerating pipe bottom line, be convenient to install waveguide transmission system.
In the embodiment of angular-coupling resident wave accelerating pipe of the present invention, with reference to Fig. 3, will speed up chamber and coupling cavity and all place in the accelerating cavity outer wall scope, its inside is the nonaxisymmetric structure of one one side band coupling cavity, but from the outside, it is a cylindrical shaft symmetrical structure.
With reference to Fig. 3 to Fig. 5, angle coupling standing wave accelerating structure places corner regions (Corner Area) between adjacent two accelerating cavities 2,3 and cavity 4 outer walls with coupling cavity 1, and accelerating cavity 2,3 and coupling cavity 1 are all in cavity 4 outer wall scopes.Coupling cavity 1 is to adopt two reentrant cavity (ring resonator) schemes, but also can adopt the resonant cavity of other form in principle.Coupling cavity 1 is processed into the semicolumn cavity that cavity shape is a horizontal axis, the upper surface of semicolumn cavity constitutes the opening of described cavity 4, on the wall of the left and right both ends of the surface of semicolumn cavity chamber, be outward extended with left and right groove 21,22 respectively, left and right boss 5,6 is housed respectively in the left and right groove 21,22, fits with the end face chamber wall of coupling cavity 1 respectively and is fixed together in the bottom surface of left and right boss 5,6.Adjustable gaps between left boss 5 wherein, the diameter of right boss 6 and the left and right sides boss 5,6 is whole, makes the resonance frequency of coupling cavity 1 satisfy the condition of resonance coupling.Be respectively equipped with left coupling aperture 11 and right coupling aperture 12 between coupling cavity 1 semicolumn cavity and left half accelerating cavity 2 and right half accelerating cavity 3, coupling cavity 1 communicates with left half accelerating cavity 2 by left coupling aperture 11, communicates with right half accelerating cavity 3 by right coupling aperture 12.
With reference to Fig. 3 and Fig. 5, the opening of coupling cavity 1 adopts garden ring cowling plate 7 to be welded on and quickens cavity 4 outsides, weld seam by two 360 ° constitutes, also each is welded into respectively with two 360 ° weld seam and coupling cavity 1 left bottom surface, right bottom surface for left boss 5 in the coupling cavity 1, right boss 6, and garden ring cowling plate 7, left boss 5, right boss 6 can once be welded into simultaneously with each unit.Garden ring cowling plate 7 adopts two 360 ° weld seam can improve the successful probability of welding, does not adopt partial arc female cap plate to replace the annulus cover plate but do not get rid of.
Angular-coupling resident wave accelerating pipe is after welding job is finished, and the resonance frequency of accelerating cavity 2,3 and coupling cavity 1 still can be finely tuned by the mechanical presses mode in the outside, does not also get rid of with other modes such as tuning screw and finely tunes.
Use the advantage of angular-coupling resident wave accelerating pipe of the present invention to be: (1) has identical, higher with limit coupling standing wave accelerating structure Acceleration efficiency. (2) its processing, assembling, welding procedure are simple than limit coupling standing wave accelerating structure, can disposablely be welded into homogeneous tube. (3) its accelerating cavity and the coupler outside all is easy to approach, and is convenient to push tuning to accelerating cavity and coupler after being welded into homogeneous tube. (4) its coupler does not occupy the axial space of accelerating cavity, and is very favourable to abundant optimization accelerating cavity. (5) profile and size less than Limit coupling standing wave accelerating structure, also less than loop coupling standing wave accelerating structure, it is very favourable externally to add focus coil. (6) be inclined upwardly Transition waceguide, neither destroy the uniformity of each accelerating structure unit, be convenient to again install waveguide transmission system and supporting installation energy Switch. That angular-coupling resident wave accelerating pipe of the present invention can be used for is medical, industrial flaw detection, Non-Destructive Testing, industrial irradiation, physical test etc. Technical field.
Claims (5)
1. angular-coupling resident wave accelerating pipe, comprise the electron gun (16) that is fixedly connected sequentially together, cover plate (15), several coupling standing wave accelerating structure unit (14), angles, one not with standing wave false add speed construction unit (17), the base (18) of coupling cavity, transition waceguide (19) and waveguide window (20); The left side that the cavity (4) of described coupling standing wave accelerating structure unit, angle (14) has two symmetries, right half accelerating cavity (2,3), described do not have half accelerating cavity (41) with the cavity (40) of the standing wave false add of coupling cavity speed construction unit (17), described transition waceguide (19) one ends communicate with described half accelerating cavity (41), the other end and described waveguide window (20) join, it is characterized in that: the cavity (4) of described coupling standing wave accelerating structure unit, angle (14) is on a described left side, right half accelerating cavity (2,3) and the corner regions between cavity (4) outer wall be provided with coupling cavity (1), the cavity shape of described coupling cavity (1) is the semicolumn cavity that a horizontal axis is arranged, the upper surface of described semicolumn cavity constitutes the opening of described cavity (4), on a described semicolumn cavity left side, be respectively equipped with an outward extending left side on the chamber wall of right both ends of the surface, right groove (21,22), a described left side, right groove (21, a left side is housed respectively 22), right boss (5,6), a described left side, right boss (5,6) fit with the chamber wall of described coupling cavity (1) respectively and be fixed together in bottom surface; Be respectively equipped with left coupling aperture (11) and the right coupling aperture (12) that communicates with it between described coupling cavity (1) and a described left side half accelerating cavity (2) and right half accelerating cavity (3); The opening of described coupling cavity (1) is installed with cover plate (7).
2. angular-coupling resident wave accelerating pipe according to claim 1, it is characterized in that: wherein said left and right boss (5,6) is a cylinder, described left and right groove (21,22) has at the bottom of the semi-circular groove that matches with described left and right boss (5,6), and a rounded bottom surface of described left and right boss (5,6) welds together with the end face chamber wall of described coupling cavity (1) respectively.
3. angular-coupling resident wave accelerating pipe according to claim 1 and 2 is characterized in that: wherein said cover plate (7) is annular or part annular, merges mutually with the outer wall of described cavity (4) to weld together.
4. angular-coupling resident wave accelerating pipe according to claim 3, it is characterized in that: the bottom of wherein said base (18) and described waveguide window (20) is positioned at same horizontal level, described transition waceguide (19) be inclined upwardly be installed in described not between the standing wave false add speed construction unit (17) and described waveguide window (20) with coupling cavity.
5. angular-coupling resident wave accelerating pipe according to claim 4 is characterized in that: the quantity of wherein said coupling standing wave accelerating structure unit, angle (14) is 5.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200610078378 CN101076222A (en) | 2006-05-17 | 2006-05-17 | Angular-coupling resident wave accelerating pipe |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200610078378 CN101076222A (en) | 2006-05-17 | 2006-05-17 | Angular-coupling resident wave accelerating pipe |
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| CN101076222A true CN101076222A (en) | 2007-11-21 |
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| CN 200610078378 Pending CN101076222A (en) | 2006-05-17 | 2006-05-17 | Angular-coupling resident wave accelerating pipe |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102711359A (en) * | 2012-06-04 | 2012-10-03 | 山东新华医疗器械股份有限公司 | Single-photon 6MeV 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 |
| CN104822220A (en) * | 2015-04-10 | 2015-08-05 | 中广核中科海维科技发展有限公司 | Standing wave linear accelerating tube with adjustable field strength of beam focusing segment |
| CN104837293A (en) * | 2015-04-10 | 2015-08-12 | 中广核中科海维科技发展有限公司 | Accelerating tube energy adjusting device capable of outputting keV-level and MeV-level ray in transformation manner |
| CN106132064A (en) * | 2016-08-17 | 2016-11-16 | 上海联影医疗科技有限公司 | Accelerating tube and there is the linear accelerator of this accelerating tube |
| CN107333382A (en) * | 2017-08-07 | 2017-11-07 | 沈阳东软医疗系统有限公司 | A kind of side coupled standing wave accelerator tube and standing wave accelerator |
| CN115866871A (en) * | 2022-10-27 | 2023-03-28 | 成都奕康真空电子技术有限责任公司 | Novel ring coupling structure for linear accelerator |
-
2006
- 2006-05-17 CN CN 200610078378 patent/CN101076222A/en active Pending
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102711359A (en) * | 2012-06-04 | 2012-10-03 | 山东新华医疗器械股份有限公司 | Single-photon 6MeV 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 |
| CN104822220A (en) * | 2015-04-10 | 2015-08-05 | 中广核中科海维科技发展有限公司 | Standing wave linear accelerating tube with adjustable field strength of beam focusing segment |
| CN104837293A (en) * | 2015-04-10 | 2015-08-12 | 中广核中科海维科技发展有限公司 | Accelerating tube energy adjusting device capable of outputting keV-level and MeV-level ray in transformation manner |
| CN106132064A (en) * | 2016-08-17 | 2016-11-16 | 上海联影医疗科技有限公司 | Accelerating tube and there is the linear accelerator of this accelerating tube |
| CN106132064B (en) * | 2016-08-17 | 2018-11-06 | 上海联影医疗科技有限公司 | Accelerating tube and linear accelerator with the accelerating tube |
| CN107333382A (en) * | 2017-08-07 | 2017-11-07 | 沈阳东软医疗系统有限公司 | A kind of side coupled standing wave accelerator tube and standing wave accelerator |
| CN115866871A (en) * | 2022-10-27 | 2023-03-28 | 成都奕康真空电子技术有限责任公司 | Novel ring coupling structure for linear accelerator |
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Open date: 20071121 |