CN209914163U - Waveguide vacuum window suitable for low-energy electron accelerator - Google Patents
Waveguide vacuum window suitable for low-energy electron accelerator Download PDFInfo
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- CN209914163U CN209914163U CN201920298993.3U CN201920298993U CN209914163U CN 209914163 U CN209914163 U CN 209914163U CN 201920298993 U CN201920298993 U CN 201920298993U CN 209914163 U CN209914163 U CN 209914163U
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Abstract
The utility model discloses a waveguide vacuum window applicable to a low-energy electron accelerator, which is applicable to the low-energy electron accelerator and comprises a cylindrical window body, a top flange arranged at the end part of the cylindrical window body and a waveguide flange arranged at the other end of the cylindrical window body, wherein a ceramic plate which is vertical to the length direction of the cylindrical window body is arranged inside the cylindrical window body; the cylindrical window body comprises a cylindrical window body inner wall made of copper and a cylindrical window body outer wall supported by stainless steel, the cylindrical window body outer wall and the end part of the cylindrical window body inner wall are in a ladder shape, and a stainless steel gasket is arranged between the cylindrical window body outer wall and the cylindrical window body inner wall. The ceramic plate is used for isolating air, the stainless steel gasket is used for reducing the influence of phase change on a product under high power, and the aims of reducing the influence of deformation on the product in the working process and ensuring the use quality of the waveguide vacuum window are achieved.
Description
Technical Field
The utility model relates to an accelerator application, concretely relates to waveguide vacuum window suitable for low energy electron accelerator.
Background
For over 20 years, accelerators have been used in applications far beyond the fields of nuclear and particle physics, and have important applications in other scientific and technological fields such as material science, surface physics, molecular biology, photochemistry, etc. The accelerator is widely applied to the aspects of isotope production, tumor diagnosis and treatment, ray disinfection, nondestructive inspection, high-molecular irradiation polymerization, material irradiation modification, ion implantation, ion beam microanalysis, space radiation simulation, nuclear explosion simulation and the like in the fields of industry, agriculture and medicine. For miniaturization and low cost, low energy electron linacs operate primarily in the S or X bands.
In low energy electron linacs, in order to prevent collision of electrons and gas molecules, a high vacuum must be secured within the acceleration tube. However, the traditional vacuum tube can deform under high power, so that the high vacuum degree cannot be ensured, and the product quality is influenced.
The information disclosed in this background section is only for enhancement of understanding of the general background of the invention and should not be taken as an acknowledgement or any form of suggestion that this information constitutes prior art already known to a person skilled in the art.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model provides a be applicable to low energy electron accelerator's waveguide vacuum window suitable for low energy electron accelerator to reach the purpose that reduces the influence of deformation in the working process to the product and guaranteed waveguide vacuum window's service quality.
In order to achieve the above purpose, the technical scheme of the utility model is as follows:
a waveguide vacuum window applicable to a low-energy electron accelerator comprises a cylindrical window body, a top flange arranged at the end part of the cylindrical window body and a waveguide flange arranged at the other end of the cylindrical window body, wherein a ceramic plate vertical to the length direction of the cylindrical window body is arranged in the cylindrical window body;
the cylindrical window body comprises a cylindrical window body inner wall made of copper and a cylindrical window body outer wall supported by stainless steel, the cylindrical window body outer wall and the end part of the cylindrical window body inner wall are in a ladder shape, and a stainless steel gasket is arranged between the cylindrical window body outer wall and the cylindrical window body inner wall.
The utility model discloses an utilize the potsherd to carry out isolated air, utilize stainless steel gasket to reduce under the high power phase transition to the influence of product, reach the purpose that reduces deformation in the working process to the influence of product and guaranteed the service quality of waveguide vacuum window.
Preferably, the top flange and the waveguide flange are provided with a through hole in the center.
The utility model has the advantages of as follows:
1. the utility model discloses an utilize the potsherd to carry out isolated air, utilize stainless steel gasket to reduce under the high power phase transition to the influence of product, reach the purpose that reduces deformation in the working process to the influence of product and guaranteed the service quality of waveguide vacuum window.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below.
Fig. 1 is a schematic cross-sectional view of a waveguide vacuum window suitable for a low-energy electron accelerator according to an embodiment of the present invention;
fig. 2 is a schematic diagram of a waveguide vacuum window suitable for a low-energy electron accelerator according to an embodiment of the present invention;
the corresponding part names indicated by the numbers and letters in the drawings:
11. inner wall 12 of cylindrical window, outer wall 13 of cylindrical window, stainless steel gasket 2 and top flange
3. Waveguide flange 4, through hole 5, ceramic plate 6, waveguide converter 7 and bolt.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.
The utility model provides a waveguide vacuum window suitable for low energy electron accelerator, its theory of operation is through utilizing the potsherd to carry out isolated air, utilizes the stainless steel gasket to reduce under the high power phase transition to the influence of product, reaches the purpose that reduces deformation in the working process to the influence of product and guaranteed waveguide vacuum window's service quality.
The present invention will be described in further detail with reference to examples and embodiments.
As shown in fig. 1 and 2, a waveguide vacuum window suitable for a low-energy electron accelerator comprises a cylindrical window body, a top flange 2 arranged at the end part of the cylindrical window body, and a waveguide flange 3 arranged at the other end of the cylindrical window body, wherein the centers of the top flange and the waveguide flange are provided with a through hole 4 for installing a waveguide converter 6, and a ceramic plate 5 vertical to the length direction of the cylindrical window body is arranged inside the cylindrical window body;
the cylindrical window body comprises a cylindrical window body inner wall 11 made of copper and a cylindrical window body outer wall 12 supported by stainless steel, the cylindrical window body outer wall and the end part of the cylindrical window body inner wall are in a ladder shape, and a stainless steel gasket 13 is arranged between the cylindrical window body outer wall and the cylindrical window body inner wall.
The utility model discloses a concrete application steps as follows: in the use process of the accelerator, the waveguide window is arranged between the accelerating tube and the straight waveguide, so that the effect of isolating air and ensuring the vacuum degree in the accelerating tube is achieved.
As further shown in fig. 1, the top flange 2 and the waveguide flange 3 are connected; the gap between the inner wall 11 of the cylindrical window body made of copper and the outer wall 12 of the cylindrical window body supported by stainless steel plays roles in heat dissipation and deformation control; the ceramic plate 5 serves to insulate air, but does not affect the transmission of microwave signals.
Referring again to fig. 2, the welded workpieces were tested as follows:
(1) calibrating a network analyzer, and calibrating by two coaxial waveguide connectors, wherein the center frequency is 3GHz and the bandwidth is 200 MHz;
(2) all the parts are connected according to the diagram, the connection and the fastening of the interfaces are ensured, and the screw is tightened to prevent the leakage of microwave energy;
(3) testing, storing and analyzing the test result, and correcting the length of the vacuum window copper ring in the numerical control machine according to the test result;
and when the test result meets the requirement, welding the electron beam on the workpiece.
In this way, the utility model provides a waveguide vacuum window suitable for low energy electron accelerator carries out isolated air through utilizing the potsherd, utilizes stainless steel gasket to reduce the influence of phase transition to the product under the high power, reaches the technology of having optimized the vacuum tube, guaranteed isolated effect, reduces deformation in the working process to the influence of product and guaranteed waveguide vacuum window's use quality's purpose.
What has been described above is only the preferred embodiment of the waveguide vacuum window for low-energy electron accelerator disclosed in the present invention, and it should be noted that, for those skilled in the art, without departing from the inventive concept, several modifications and improvements can be made, and these all fall within the protection scope of the present invention.
Claims (2)
1. A waveguide vacuum window suitable for a low-energy electron accelerator is characterized by comprising a cylindrical window body, a top flange arranged at the end part of the cylindrical window body and a waveguide flange arranged at the other end of the cylindrical window body, wherein a ceramic sheet vertical to the length direction of the cylindrical window body is arranged in the cylindrical window body;
the cylindrical window body comprises a cylindrical window body inner wall made of copper and a cylindrical window body outer wall supported by stainless steel, the cylindrical window body outer wall and the end part of the cylindrical window body inner wall are in a ladder shape, and a stainless steel gasket is arranged between the cylindrical window body outer wall and the cylindrical window body inner wall.
2. The waveguide vacuum window for a low energy electron accelerator of claim 1 wherein the top flange and the waveguide flange are centrally provided with a through hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920298993.3U CN209914163U (en) | 2019-03-11 | 2019-03-11 | Waveguide vacuum window suitable for low-energy electron accelerator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920298993.3U CN209914163U (en) | 2019-03-11 | 2019-03-11 | Waveguide vacuum window suitable for low-energy electron accelerator |
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| Publication Number | Publication Date |
|---|---|
| CN209914163U true CN209914163U (en) | 2020-01-07 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201920298993.3U Active CN209914163U (en) | 2019-03-11 | 2019-03-11 | Waveguide vacuum window suitable for low-energy electron accelerator |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111489946A (en) * | 2020-04-21 | 2020-08-04 | 安徽华东光电技术研究所有限公司 | Gyrotron energy coupling window |
-
2019
- 2019-03-11 CN CN201920298993.3U patent/CN209914163U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111489946A (en) * | 2020-04-21 | 2020-08-04 | 安徽华东光电技术研究所有限公司 | Gyrotron energy coupling window |
| CN111489946B (en) * | 2020-04-21 | 2023-06-06 | 安徽华东光电技术研究所有限公司 | Gyrotron energy coupling window |
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Effective date of registration: 20201230 Address after: 210038 1st floor, East and east of building B4, Hongfeng science and Technology Park, Nanjing Economic and Technological Development Zone, Nanjing City, Jiangsu Province Patentee after: Nanjing Proton Source Engineering Technology Research Institute Co.,Ltd. Address before: 212009 3rd floor, Guiguo doctor Pioneer Park, 98 Zongze Road, Jingkou District, Zhenjiang City, Jiangsu Province Patentee before: ANDESON SUPERCONDUCTING RF ACCELERATOR TECHNOLOGY Co.,Ltd. |
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| TR01 | Transfer of patent right |