High-mechanical-strength high-frequency resonant cavity
A high-frequency resonant cavity and mechanical strength technology, applied in the direction of accelerators, electrical components, etc., can solve the problems of increased cavity weight and increased difficulty of cavity installation process, so as to improve mechanical stability and avoid mechanical instability , the effect of reducing complexity
Inactive Publication Date: 2014-04-09
CHINA INSTITUTE OF ATOMIC ENERGY
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Problems solved by technology
However, the complex structure of the cavity and the increase in the thickness of the conductor outside the cavity not only increase the difficulty of manufacturing the cavity, including the forming of the outer conductor, the welding of the oxygen-free copper material and the post-welding shape correction work, but also lead to the weight of the cavity itself. increase, the difficulty of the cavity installation process also increases accordingly
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[0026] In the manufacturing process of the high-frequency cavity of a small medical cyclotron, a set of metal support plates was designed and processed according to the size of the gap between the high-frequency cavity and the magnetic poles of the cyclotron, and the metal support plate was first installed on the magnet. at the inner wall of the valley. Fasten the outer conductor of the high-frequency resonant cavity to the metal support plate so that the maximum distance between the metal support plate and the surface of the outer conductor of the high-frequency cavity does not exceed 0.05mm. The outer conductor of the cavity is not directly welded to the cooling water pipe, and the cooling system inside the metal support plate is used to cool the outer conductor of the cavity to reduce the deformation of the cavity caused by heat. Merge the traditional upper and lower inner rods with a radius of 30cm into a lower inner rod with a radius of 59.5cm, and increase the radius of ...
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The invention belongs to the technical field of compact type rotary accelerators, and discloses a high-mechanical-strength high-frequency resonant cavity. The cavity is composed of an upper cavity body and a lower cavity body. Both of the two cavity bodies comprise outer conductors and D-shaped plates, wherein the outer conductors of the cavity bodies are located on the lateral walls of the high-frequency resonant cavity and the bottom of the high-frequency resonant cavity and the D-shaped plates are located at the top of the high-frequency resonant cavity. The high-mechanical-strength high-frequency resonant cavity is characterized in that the inner portion of the lower cavity body further comprises an inner rod, the upper end of the inner rod is connected with the D-shaped plates and the lower end of the inner rod is connected with the bottom of the high-frequency resonant cavity; metal supporting plates are arranged on the outer lateral wall of the upper cavity body and the outer lateral wall of the lower cavity body, and the D-shaped plate of the upper cavity body and the D-shaped plate of the lower cavity body are fixedly connected to form an integrated structure. The high-mechanical-strength high-frequency resonant cavity has the advantages of being easy to process, low in manufacturing cost and high in mechanical strength.
Description
technical field [0001] The invention belongs to the technical field of compact cyclotrons, and in particular relates to a high-frequency resonant cavity with high mechanical strength. Background technique [0002] In a compact cyclotron, the acceleration of charged particles is achieved when passing through the acceleration gap between the inner and outer conductors of the high-frequency resonant cavity. The mechanical stability of the high-frequency resonant cavity has a great influence on its resonant frequency, quality factor, accelerating electric field and other high-frequency parameters and the difficulty of realizing the control system. At the same time, as the load of the high-frequency power source, the improvement of the mechanical stability of the high-frequency resonant cavity is conducive to improving the stability of the entire high-frequency system. [0003] The traditional high-frequency resonant cavity structure is composed of two symmetrical upper and lowe...
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Inventor 纪彬殷治国宋国芳张天爵李鹏展赵振鲁吕银龙雷钰付晓亮
Owner CHINA INSTITUTE OF ATOMIC ENERGY