Solid conduction cooling structure of superconducting cavity
A technology of conduction cooling and superconducting cavity, applied in the field of superconducting cavity, can solve the problem of long maintenance cycle, and achieve the effect of reducing application difficulty and improving universality
Active Publication Date: 2021-11-02
INST OF MODERN PHYSICS CHINESE ACADEMY OF SCI
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At the same time, the technology of industrial refrigerators has developed rapidly in recent years, and can reach a cooling power of 2W at a low temperature of 4.2K, and the current average maintenance cycle of domestic industrial refrigerators is as long as 18 months
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[0019] In order to make the purpose, technical solution and advantages of the present invention clearer, the technical solution of the present invention will be clearly and completely described below in conjunction with the accompanying drawings. Apparently, the described embodiments are some, but not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.
[0020] In the description of the present invention, it should be noted that the orientation or positional relationship indicated by the terms "upper", "lower", "inner", "outer" and the like are based on the orientation or positional relationship shown in the accompanying drawings, and are only for It is convenient to describe the present invention and simplify the description, but does not indicate or imply that the system or el...
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The invention relates to a superconducting cavity solid conduction cooling structure comprising a superconducting cavity body which is mainly composed of an acceleration unit and a beam pipeline; a first cold conduction block which is arranged in the equator area of the superconducting cavity body in the circumferential direction, wherein the inner surface of the first cold conduction block is attached to the outer surface of the equator area of the superconducting cavity body; two second cold conduction blocks which are arranged in the beam pipeline area of the superconducting cavity body in the circumferential direction, wherein the inner surfaces of the second cold conduction blocks are attached to the outer surface of the beam pipeline area of the superconducting cavity body; and a second-stage cold plate which is arranged above the first cold conduction block and the second cold conduction blocks, one side of the second-stage cold plate is connected with the first cold conduction block and the second cold conduction blocks through a first flexible cold chain, and the other side of the second-stage cold plate is connected with a second-stage cold head of a refrigerator through a second flexible cold chain. According to the invention, the commercial refrigerator can be adopted, the superconducting cavity can stably operate at a low temperature in a solid conduction cooling mode, the working mode that a traditional superconducting cavity must be soaked in liquid helium for cooling is eliminated, and the application difficulty of the radio frequency superconducting technology is reduced.
Description
technical field [0001] The invention relates to a superconducting cavity, in particular to a superconducting cavity solid conduction cooling structure, belonging to the technical field of superconducting. Background technique [0002] Currently, superconducting accelerators based on niobium-based superconducting cavities are cooled by immersion in liquid helium between 2K and 4K, which requires large cryogenic refrigeration stations, complex thermostat systems, and professional cryogenic refrigeration maintenance teams. The main obstacle to popularization and application. [0003] At present, the radio frequency performance of superconducting cavities made of high-temperature superconducting materials with a superconducting transition temperature ≥ 15K can reach the level of niobium-based superconducting cavities at 2K at 4.2K or even in the state of cold helium. At the same time, the technology of industrial refrigerators has developed rapidly in recent years, and the cool...
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Login to View More IPC IPC(8): H01B12/16
CPCH01B12/16Y02E40/60
Inventor 杨自钦何源白峰蒋天才张军辉张生虎
Owner INST OF MODERN PHYSICS CHINESE ACADEMY OF SCI