Superconducting magnet coil case structure

Abstract

The application discloses a superconducting magnet coil box structure, comprising a coil body and a coil box, the coil body is in a ring structure, the inside of the coil box is formed with a ring-shaped inner cavity which is matched with the shape of the coil body, and the coil body is arranged in the ring-shaped inner cavity; an adjustable connecting component is connected between the outer ring wall and the corresponding inner wall surface of the ring-shaped inner cavity, and the adjustable connecting component is configured to allow the outer ring wall and the corresponding inner wall surface of the ring-shaped inner cavity to relatively move within a first threshold range in the radial direction of the coil body. When assembling, the radial gap between the box body and the coil does not need to be accurately controlled, and only the initial pre-tightening force of the adjustable connecting component needs to meet the design requirement. In this way, the stability of the superconducting magnet during use can be improved on the basis of ensuring that the coil box provides sufficient strength support for the coil body, and the disassembly and assembly steps of the coil assembly can be simplified, and the maintenance cost is reduced.

Description

Technical Field

[0001] This invention relates to the field of superconducting magnet technology, and more particularly to a structure for a superconducting magnet coil box. Background Technology

[0002] A superconducting magnet is an electromagnetic device that uses a toroidal coil wound with superconducting materials. Its core principle is based on the zero-resistance characteristic of superconductors and it is widely used in magnetic confinement fusion, particle accelerators, magnetic energy storage systems, and medical imaging. Taking a toroidal superconducting magnet as an example, the enormous radial electromagnetic force generated when energized places extremely high demands on its structural support and assembly stability. Therefore, the superconducting magnet needs to be placed in a coil box to structurally support these electromagnetic forces. Traditional coil boxes use a design of two half-boxes welded together as a whole. Although this provides structural support, the local high temperature during welding can cause thermal expansion of the material. After cooling, uneven contraction generates residual stress, leading to deformation of the box and making assembly difficult. Moreover, this deformation may cause uneven gaps between the box and the coil, or even poor contact, affecting electromagnetic performance. For example, the radial electromagnetic force of the coil cannot be uniformly transmitted to the coil box, which may lead to local stress concentration in the coil, resulting in a degradation of coil performance. Summary of the Invention

[0003] The purpose of this invention is to solve the problems of difficult assembly and poor stability in the use of superconducting magnet coil box structures in the prior art.

[0004] To address this, the present invention provides a superconducting magnet coil box structure, comprising a coil body and a coil box. The coil body has an annular structure and has an inner annular wall and an outer annular wall disposed opposite each other in the radial direction of the coil body, as well as a first side wall and a second side wall disposed opposite each other in the thickness direction of the coil body. An annular inner cavity adapted to the shape of the coil body is formed inside the coil box, and the coil body is disposed within the annular inner cavity. An adjustable connecting member is connected between the outer annular wall and the corresponding inner wall surface of the annular inner cavity. A first supporting member is connected between the first side wall and the corresponding inner wall surface of the annular inner cavity. A second supporting member is connected between the second side wall and the corresponding inner wall surface of the annular inner cavity. The adjustable connecting member is configured to allow the outer annular wall and the corresponding inner wall surface of the annular inner cavity to move relative to each other in the radial direction of the coil body within a first threshold range.

[0005] By employing the above technical solution, the superconducting magnet coil box structure provided by this invention allows the outer ring wall to move freely in the radial direction within a first threshold range by setting an adjustable connecting component between the outer ring wall and the annular inner cavity. During assembly, precise control of the radial gap between the box and the coil is unnecessary; only ensuring that the initial preload of the adjustable connecting component meets the design requirements is required. Furthermore, under the action of electromagnetic force, even if the coil body may experience slight radial expansion or contraction, the adjustable connecting component can buffer and adapt to the radial expansion or contraction. This improves the stability of the superconducting magnet during use while ensuring that the coil box provides sufficient strength support for the coil body, resulting in a more uniform gap between the box and the coil and avoiding problems such as uneven transmission of the radial electromagnetic force of the coil to the coil box.

[0006] In addition, when disassembling and assembling the coil assembly, the coil body and coil box can be removed or re-fixed simply by adjusting the preload of the adjustable connecting parts. This can significantly simplify the disassembly and assembly steps of the coil assembly and reduce maintenance costs.

[0007] According to the superconducting magnet coil box structure provided by the present invention, the adjustable connection component includes a first connector and a second connector arranged radially opposite to each other along the coil body; the first connector is connected to the side where the outer ring wall is located, and the second connector is connected to the side where the inner wall surface of the annular cavity is located; and a first inclined guide structure is formed on the side wall surface of the first connector facing the second connector, and a second inclined guide structure adapted to the first inclined guide structure is formed on the side wall surface of the second connector facing the first connector, and the first inclined guide structure and the second inclined guide structure are pressed together radially in the coil body.

[0008] By adopting the above technical solution, the adjustable connecting component is configured to include a first connecting member and a second connecting member arranged radially opposite to each other along the coil body. Since the first connecting member has a first inclined guide structure on the side wall facing the second connecting member, and the second connecting member has a second inclined guide structure adapted to the first inclined guide structure on the side wall facing the first connecting member, the first inclined guide structure of the first connecting member and the second inclined guide structure of the second connecting member can form a self-locking fit during use. For example, when the coil is subjected to radial electromagnetic force, this structure provides radial adjustment space between the outer ring wall and the inner wall of the box, which can buffer the change of electromagnetic force, thereby ensuring that the coil body can always have sufficient support force during use.

[0009] In addition, when disassembling and assembling the coil assembly, only one of the first connector and the second connector needs to be operated to loosen or tighten the first inclined guide structure of the first connector and the second inclined guide structure of the second connector, making the operation more convenient.

[0010] According to the superconducting magnet coil box structure provided by the present invention, both the first inclined guide structure and the second inclined guide structure are configured as guide surfaces that extend at an inclination of 30° to 60° relative to the radial direction of the coil body.

[0011] According to the superconducting magnet coil box structure provided by the present invention, the first connector and the second connector are configured as an insulating structure.

[0012] According to the superconducting magnet coil box structure provided by the present invention, the adjustable connection component includes an insulating shrinkage structure, and the insulating shrinkage structure is squeezed and fitted between the outer ring wall and the inner wall surface of the annular inner cavity.

[0013] By adopting the above technical solution, the adjustable connecting component is set as an integrated insulating shrink-fit structure. During use, the elasticity generated by the insulating shrink-fit structure itself can provide support for the coil body. Furthermore, when assembling and disassembling the coil body, only the connection between the insulating shrink-fit structure and the coil box or coil body needs to be considered, without having to consider the connection of the insulating shrink-fit structure itself. This reduces the number of connection points and is beneficial to the overall operational stability of the coil assembly.

[0014] According to the superconducting magnet coil box structure provided by the present invention, the first support component is configured as a first pad, which is pressed and connected between the first sidewall and the inner wall surface of the corresponding position of the annular inner cavity; the second support component is configured as a second pad, which is pressed and connected between the second sidewall and the corresponding inner wall surface of the annular inner cavity.

[0015] According to the superconducting magnet coil box structure provided by the present invention, a filling structure is filled between the outer wall surface of the coil body and the inner wall surface of the annular inner cavity, and the filling structure includes glass particles and epoxy resin.

[0016] By adopting the above technical solution, a filling structure is filled between the outer wall of the coil body and the inner wall of the annular cavity. Since the filling structure includes glass particles and epoxy resin, this not only ensures a better limiting effect of the coil box on the coil body, but also improves the insulation and heat conduction effect between the coil body and the coil box.

[0017] According to the superconducting magnet coil box structure provided by the present invention, the coil box includes an inner ring support member and an outer ring support member disposed opposite to each other in the radial direction of the coil box, and a first side wall support member and a second side wall support member disposed opposite to each other in the thickness direction of the coil box. The edge of the first side wall support member is detachably and fixedly connected to one side end of the inner ring support member and the outer ring support member, and the edge of the second side wall support member is detachably and fixedly connected to the other side end of the inner ring support member and the outer ring support member. The inner ring support member, the outer ring support member, the first side wall support member and the second side wall support member together define an annular inner cavity. The coil body is sleeved between the inner ring support member and the outer ring support member in the radial direction of the coil box, and is located between the first side wall support member and the second side wall support member in the thickness direction of the coil box. An adjustable connecting member is connected between the outer ring wall of the coil body and the inner wall surface of the outer ring support member. A first support member is connected between the first side wall and the inner wall surface of the first side wall support member, and a second support member is connected between the second side wall and the inner wall surface of the second side wall support member.

[0018] By adopting the above technical solution, the coil box is configured to include an inner ring support member and an outer ring support member arranged opposite each other in the radial direction of the coil box, and a first side wall support member and a second side wall support member arranged opposite each other in the thickness direction of the coil box. That is, the coil box is composed of a four-part split structure. In this way, when the coil box is installed with the coil body, it can be connected by splicing. This simplifies the manufacturing process of the coil box and helps to reduce the manufacturing cost of the coil box.

[0019] According to the superconducting magnet coil box structure provided by the present invention, the inner ring support member, the outer ring support member, the first side wall support member, and the second side wall support member are all made of metal.

[0020] According to the superconducting magnet coil box structure provided by the present invention, the coil assembly further includes a cooling structure, which includes a cooling strip wound around the outer wall of the coil box and a cooling pipe wound around the cooling strip; the cooling strip is configured as a heat-conducting structure.

[0021] By adopting the above technical solution, cooling strips and cooling pipes are respectively installed on the outer wall of the coil box, which can further improve the heat dissipation effect of the coil box. Attached Figure Description

[0022] Figure 1 This is a cross-sectional structural diagram of a superconducting magnet coil box structure provided in an embodiment of the present invention;

[0023] Figure 2 This is a cross-sectional structural schematic diagram of another superconducting magnet coil box structure provided in an embodiment of the present invention;

[0024] Figure 3This is a three-dimensional structural diagram of the coil box in the superconducting magnet coil box structure provided in an embodiment of the present invention;

[0025] Figure 4 This is an exploded structural diagram of a superconducting magnet coil box structure provided in an embodiment of the present invention;

[0026] Figure 5 An exploded structural diagram of another superconducting magnet coil box structure provided in an embodiment of the present invention.

[0027] Explanation of reference numerals in the attached figures:

[0028] 100. Coil body; 110. Inner ring wall; 120. Outer ring wall; 130. First side wall; 140. Second side wall;

[0029] 200, coil box; 210, inner ring support member; 220, outer ring support member; 230, first sidewall support member; 231, first support component; 240, second sidewall support member; 241, second support component;

[0030] 300. Adjustable connecting component; 310. First connecting piece; 320. Second connecting piece;

[0031] 410. Cooling strip; 420. Cooling pipe. Detailed Implementation

[0032] A superconducting magnet is a device that generates a strong magnetic field by utilizing the zero-resistance characteristic of superconducting materials at low temperatures. Its core advantage lies in its ability to produce magnetic field strengths far exceeding those of conventional magnets with extremely low energy consumption, making it widely used in scientific research, medical diagnostics, industrial processing, and energy fields. During use, superconducting magnets generate significant electromagnetic forces, especially toroidal superconducting magnets. Toroidal superconducting magnets produce enormous radially outward electromagnetic forces when energized, requiring the superconducting magnet to be placed within a coil box to structurally support these electromagnetic forces. However, existing coil boxes not only involve complex assembly and disassembly processes leading to high maintenance costs, but also offer poor support stability.

[0033] In response, the present invention provides a superconducting magnet coil box structure, including a coil body and a coil box. This coil box is not only easy to assemble and disassemble, reducing the maintenance cost of the coil assembly, but also provides better support stability for the coil body.

[0034] To make the objectives, technical solutions, and advantages of this application clearer, the embodiments of this application will be described in further detail below with reference to the accompanying drawings.

[0035] like Figures 1 to 5 As shown, the superconducting magnet coil box structure provided by the embodiment of the present invention includes a coil body 100 and a coil box 200.

[0036] The coil body 100 is the core electromagnetic component of the superconducting magnet, maintaining a superconducting state in a low-temperature environment below the superconducting critical temperature and generating a uniform magnetic field through its ring structure. Specifically, the coil body 100 may have a ring structure and include an inner ring wall 110 and an outer ring wall 120 arranged radially opposite to each other, and a first sidewall 130 and a second sidewall 140 arranged radially opposite to each other in the thickness direction of the coil body 100 (see [reference]). Figure 1 and Figure 2 ).

[0037] like Figure 3 As shown, the coil box 200 provides mechanical support and a low-temperature sealed environment for the coil body 100, protecting the coil body 100 from external interference. Specifically, as... Figure 1 and Figure 2 As shown, the coil box 200 has an annular inner cavity that matches the shape of the coil body 100, and the coil body 100 is disposed in the annular inner cavity.

[0038] Furthermore, such as Figures 1 to 2 As shown, an adjustable connecting member 300 connects the outer ring wall 120 to the corresponding inner wall surface of the annular cavity, a first supporting member 231 connects the first side wall 130 to the corresponding inner wall surface of the annular cavity, and a second supporting member 241 connects the second side wall 140 to the corresponding inner wall surface of the annular cavity. The adjustable connecting member 300 is configured to allow the outer ring wall 120 and the corresponding inner wall surface of the annular cavity to move relative to each other in the radial direction of the coil body 100 within a first threshold range, thus buffering expansion or contraction caused by electromagnetic force. The range of the first threshold range is not limited, for example, it can be a size range such as ±3mm. Because the adjustable connecting member 300 allows the outer ring wall 120 to move freely in the radial direction within the first threshold range. This eliminates the need for precise control of the radial clearance between the coil housing 200 and the coil during assembly. Only the initial preload of the adjustable connecting component 300 needs to be ensured to meet design requirements. Furthermore, during coil assembly and disassembly, only the preload of the adjustable connecting component 300 needs to be adjusted to remove or re-fix the coil body 100 and the coil housing 200. This significantly simplifies the assembly and disassembly process, thus reducing maintenance costs. Moreover, under electromagnetic force, even if the coil body 100 experiences slight radial expansion or contraction, the adjustable connecting component 300 can buffer and accommodate this expansion or contraction. This enhances the stability of the superconducting magnet during use while ensuring that the coil housing 200 provides sufficient strength support for the coil body 100.

[0039] The structure of the coil box 200 and the connection method between the coil box 200 and the coil body 100 will be further described below.

[0040] Regarding the coil box 200, the structure of the coil box 200 is not limited; for example, it can be a split structure or an integrated structure.

[0041] In one embodiment of the invention, such as Figure 3 As shown, the coil box 200 is configured as a split structure. For example, the coil box 200 includes an inner ring support member 210 and an outer ring support member 220 disposed opposite to each other in the radial direction of the coil box 200, and a first side wall support member 230 and a second side wall support member 240 disposed opposite to each other in the thickness direction of the coil box 200.

[0042] The edge of the first sidewall support member 230 is detachably and fixedly connected to one side end of the inner ring support member 210 and the outer ring support member 220, for example, by using bolts to achieve the detachable connection; the edge of the second sidewall support member 240 is detachably and fixedly connected to the other side end of the inner ring support member 210 and the outer ring support member 220, for example, by using bolts to achieve the detachable connection; the inner ring support member 210, the outer ring support member 220, the first sidewall support member 230 and the second sidewall support member 240 together define an annular inner cavity, and the whole structure is box-shaped (see Figure 3 The coil body 100 is radially fitted between the inner ring support member 210 and the outer ring support member 220 of the coil box 200. It is located between the first sidewall support member 230 and the second sidewall support member 240 in the thickness direction of the coil box 200. An adjustable connecting member 300 connects the outer ring wall 120 of the coil body 100 and the inner wall surface of the outer ring support member 220. In addition to the adjustable connecting member 300, such as... Figure 1 and Figure 2 As shown, a first support member 231 is connected between the first sidewall 130 and the inner wall surface of the first sidewall support member 230, and a second support member 241 is connected between the second sidewall 140 and the inner wall surface of the second sidewall support member 240.

[0043] The present invention configures the coil box 200 as including an inner ring support member 210 and an outer ring support member 220 arranged radially opposite to each other in the coil box 200, and a first side wall support member 230 and a second side wall support member 240 arranged opposite to each other in the thickness direction of the coil box 200. That is, the coil box 200 is composed of a four-part split structure. In this way, when the coil box 200 is installed with the coil body 100, it can be connected by splicing, which simplifies the manufacturing process of the coil box 200 and thus helps to reduce the manufacturing cost of the coil box 200.

[0044] The structures of the inner ring support member 210, outer ring support member 220, first sidewall support member 230, and second sidewall support member 240 are not limited; for example, they can be metal structures or other support structures with high strength. Specifically, the inner ring support member 210 and outer ring support member 220 can be configured as ring structures adapted to the coil body 100, and the first sidewall support member 230 and second sidewall support member 240 can be configured as planar plate structures.

[0045] In this invention, the first support member 231 is configured as a first pad, which is pressed and connected between the first side wall 130 and the inner wall surface of the annular cavity at the corresponding position. The second support member 241 is configured as a second pad, which is pressed and connected between the second side wall 140 and the corresponding inner wall surface of the annular cavity.

[0046] Furthermore, the first support component 231 and the second support component 241 may be made of insulating materials with a certain strength, such as polyimide, polyetheretherketone, glass fiber reinforced epoxy resin, silicone rubber, etc., to confine the coil body 100 to the central area of ​​the coil box 200. When connected, they may be squeezed between the two walls or bonded to the two walls. This invention does not make a unique requirement.

[0047] Furthermore, regarding the first support member 231 and the second support member 241, as follows: Figure 4 As shown, it can be configured as an integrated ring structure, or as shown in the figure. Figure 5 The structure shown has multiple block-shaped structures in the first support component 231 and the second support component 241, which are spliced ​​together to form a ring structure. Similarly, the inner ring support component 210 and the outer ring support component 220 can also be configured with similar structures.

[0048] Furthermore, a filling structure, comprising glass particles and epoxy resin, is provided between the outer wall of the coil body 100 and the inner wall of the annular cavity. By filling the space between the outer wall of the coil body 100 and the inner wall of the annular cavity with a filling structure, and because the filling structure includes glass particles and epoxy resin, not only is the limiting effect of the coil box 200 on the coil body 100 better, but the insulation and thermal conductivity between the coil body 100 and the coil box 200 are also improved.

[0049] Furthermore, the coil assembly also includes a cooling structure, which comprises a cooling strip 410 wound around the outer wall of the coil housing 200 and a cooling pipe 420 wound around the cooling strip 410. The cooling strip 410 is configured as a thermally conductive structure to rapidly conduct heat from the coil body 100 to the cooling pipe 420, and can also serve as a structural reinforcement layer. For example, it can be made of a high thermal conductivity metal. The cooling pipe 420 can circulate a low-temperature cooling medium (such as liquid helium or two-phase helium-liquid nitrogen) to achieve convective heat transfer. By providing the cooling strip 410 and cooling pipe 420 on the outer wall of the coil housing 200, this invention can further improve the heat dissipation effect of the coil housing 200.

[0050] Based on the structure of the coil box 200 described above, the adjustable connecting component 300, in one embodiment, such as... Figure 1 As shown, the adjustable connecting component 300 includes a first connecting member 310 and a second connecting member 320 arranged radially opposite to each other along the coil body 100. The first connecting member 310 is connected to the side where the outer ring wall 120 is located, and the second connecting member 320 is connected to the side where the inner wall of the annular cavity is located. Furthermore, the side wall of the first connecting member 310 facing the second connecting member 320 has a first inclined guide structure, and the side wall of the second connecting member 320 facing the first connecting member 310 has a second inclined guide structure adapted to the first inclined guide structure. The first and second inclined guide structures are pressed together radially in the coil body 100. In use, the first inclined guide structure of the first connecting member 310 and the second inclined guide structure of the second connecting member 320 can form a self-locking fit. For example, when the coil is subjected to radial electromagnetic force, this structure provides radial adjustment space between the outer ring wall 120 and the inner wall of the housing, which can buffer changes in electromagnetic force, thereby ensuring that the coil body 100 always has sufficient support force during use.

[0051] With this structure, when disassembling and assembling the coil assembly, only one of the first connector 310 and the second connector 320 needs to be operated to loosen or tighten the first inclined guide structure of the first connector 310 and the second inclined guide structure of the second connector 320, making the operation more convenient.

[0052] Furthermore, in this invention, the first connector 310 and the second connector 320 may be wedge-shaped blocks configured to be structurally compatible, and both the first and second inclined guide structures are configured as guide surfaces extending radially at an angle of 30° to 60° relative to the coil body 100. For example, the first inclined guide structure may be configured at 30° and the second inclined guide structure at 60°; alternatively, the first inclined guide structure may be configured at 45° and the second inclined guide structure at 45°.

[0053] Furthermore, regarding the first connector 310 and the second connector 320, as... Figure 4 As shown, it can be configured as an integrated ring structure, or as shown in the figure. Figure 5 The structure shown has multiple block structures in the first connector 310 and the second connector 320, which are spliced ​​together to form a ring structure.

[0054] According to the superconducting magnet coil box structure provided by the present invention, the first connector 310 and the second connector 320 are configured as an insulating structure, for example, they can be wedge-shaped blocks made of materials such as asbestos, alumina, plastic, rubber, and resin.

[0055] In another embodiment, the adjustable connecting component 300, such as Figure 2 As shown, the adjustable connecting component 300 includes an insulating shrink-fit structure, which is press-fitted between the outer ring wall 120 and the inner wall of the annular cavity. By setting the adjustable connecting component 300 as an integral insulating shrink-fit structure, the elastic force generated by the insulating shrink-fit structure itself can provide support for the coil body 100 during use. Furthermore, when assembling and disassembling the coil body 100, only the connection between the insulating shrink-fit structure and the coil box 200 or the coil body 100 needs to be considered, without considering the connection of the insulating shrink-fit structure itself. This reduces the number of connection points and is beneficial to the overall operational stability of the coil assembly.

[0056] The insulation shrinkage structure can be configured as a pad made of a material with low low-temperature thermal shrinkage. The radial dimension of the pad is slightly larger than the gap between the outer ring wall 120 and the inner wall of the annular cavity. The coil body 100 needs to be cooled to a low temperature for operation. During the cooling process, the volume shrinkage of the pad is small, which can achieve the purpose of pre-tightening the coil body 100. For example, during installation, the inner ring support member 210, outer ring support member 220, first side wall support member 230 and second side wall support member 240 are connected and heated together to a high temperature not exceeding 200°C. The coil at room temperature is then placed in the heat. At this time, the pad can be easily inserted. Then, the coil box 200 cools down to room temperature and shrinks, which provides a radially inward pre-tightening force to the coil body 100.

[0057] In the fabrication of the superconducting magnet coil box structure provided by this invention, the first step during the manufacturing of related equipment is to wind and impregnate the coil body 100 to ensure that the coil body 100 meets the specified performance requirements. Next, various support components required for manufacturing the coil box 200 are processed, including an inner ring support component 210, an outer ring support component 220, a first side wall support component 230, and a second side wall support component 240. After the components are processed, the first connector 310 of the adjustable connecting component 300 is attached to the outer ring wall 120 of the coil body 100 to prepare for subsequent assembly and connection. Subsequently, the inner ring support component 210 and the first side wall support component 230, and the outer ring support component 220 and the first side wall support component 230 are securely connected with bolts to form a U-shaped space. Within this U-shaped space, a first pad is first placed to provide initial support and positioning for the coil body 100, and then the wound and impregnated coil body 100 is placed inside. Next, the second connector 320 is inserted into a suitable position between the first connector 310 and the outer ring support member 220 of the adjustable connecting component 300, further adjusting the fixed connection relationship between the first connector 310 and the second connector 320. After inserting the second pad, the second side wall support member 240 is fixed to the inner ring support member 210 and the outer ring support member 220 respectively with bolts, making the support structure of the entire coil box 200 more stable. At this time, the gap between the coil body 100 and the inner wall of the coil box 200 is filled with a filling structure composed of high-temperature glass particles and epoxy resin, which plays a role in buffering, fixing and insulation. After the internal structure is assembled, a cooling strip 410 is wrapped around the outer surface of the coil box 200 to enhance the heat dissipation capacity of the equipment. Finally, a cooling pipe 420 is wrapped around the outer surface of the cooling strip 410 to further improve the heat dissipation effect and ensure that the equipment can stably dissipate heat and maintain normal operating temperature during operation.

[0058] It should be understood that, in this application, the filling structure is not limited to high-temperature glass particles and epoxy resin, but can also be other insulating and thermally conductive structures, such as epoxy resin and rubber or epoxy resin and ceramic.

[0059] It should be noted that, in addition to the specific embodiments described above, those skilled in the art can easily understand other advantages and effects of the present invention from the content disclosed in this specification. Although the description of the present invention is presented in conjunction with preferred embodiments, this does not mean that the features of the invention are limited to these embodiments. On the contrary, the purpose of describing the invention in conjunction with the embodiments is to cover other options or modifications that may be derived based on the claims of the present invention. To provide a deep understanding of the invention, many specific details are included in the above description, and the invention may also be implemented without using these details. Furthermore, to avoid confusion or obscuring the focus of the invention, some specific details will be omitted in the description. It should be noted that, unless otherwise specified, the embodiments and features in the embodiments of the present invention can be combined with each other.

[0060] It should be noted that in this specification, similar reference numerals and letters in the following figures indicate similar items. Therefore, once an item is defined in one figure, it does not need to be further defined and explained in subsequent figures.

[0061] In the description of this embodiment, it should be noted that the terms "upper", "lower", "inner", "bottom", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, or the orientation or positional relationship that the product of the invention is usually placed in during use. They are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limiting the present invention.

[0062] The terms “first”, “second”, etc., are used only to distinguish descriptions and should not be interpreted as indicating or implying relative importance.

[0063] In the description of this embodiment, it should also be noted that, unless otherwise explicitly specified and limited, the terms "set up," "connected," and "linked" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this embodiment based on the specific circumstances.

[0064] While the present invention has been illustrated and described with reference to certain preferred embodiments, those skilled in the art should understand that the above description is a further detailed explanation of the invention in conjunction with specific embodiments, and should not be construed as limiting the specific implementation of the invention to these descriptions. Various changes in form and detail can be made by those skilled in the art, including several simple deductions or substitutions, without departing from the spirit and scope of the invention.

Claims

1. A superconducting magnet coil box structure, characterized in that, include: The coil body has a ring-shaped structure and has an inner ring wall and an outer ring wall that are arranged opposite each other in the radial direction of the coil body, as well as a first side wall and a second side wall that are arranged opposite each other in the thickness direction of the coil body. A coil box, wherein the interior of the coil box has an annular inner cavity adapted to the shape of the coil body, and the coil body is disposed within the annular inner cavity; wherein, An adjustable connecting component is connected between the outer ring wall and the corresponding inner wall surface of the annular cavity; a first supporting component is connected between the first side wall and the corresponding inner wall surface of the annular cavity; a second supporting component is connected between the second side wall and the corresponding inner wall surface of the annular cavity; the adjustable connecting component is configured to allow the outer ring wall and the corresponding inner wall surface of the annular cavity to move relative to each other in the radial direction of the coil body within a first threshold range. and, The coil box is configured as a split structure and includes an inner ring support member and an outer ring support member arranged radially opposite to each other in the coil box, and a first sidewall support member and a second sidewall support member arranged radially opposite to each other in the thickness direction of the coil box. The inner ring support member, the outer ring support member, the first sidewall support member, and the second sidewall support member together define the annular inner cavity. A gap is left between the inner wall surface of the inner ring support member and the inner ring wall of the coil body. The inner wall surface of the outer ring support member is connected to the outer ring wall of the coil body through the adjustable connecting member. The adjustable connecting member is connected between the outer ring wall of the coil body and the inner wall surface of the outer ring support member. The first sidewall is connected to the inner wall surface of the first sidewall support member through the first support member. The second sidewall is connected to the inner wall surface of the second sidewall support member through the second support member. The adjustable connecting component includes a first connector and a second connector arranged radially opposite to each other along the coil body; the first connector is connected to the side where the outer ring wall is located, and the second connector is connected to the side where the inner wall of the annular cavity is located; and, the side wall of the first connector facing the second connector has a first inclined guide structure, and the side wall of the second connector facing the first connector has a second inclined guide structure adapted to the first inclined guide structure, the first inclined guide structure and the second inclined guide structure are pressed together radially on the coil body, and the first connector and the outer ring wall, and the second connector and the outer ring support member are all fixedly connected.

2. The superconducting magnet coil box structure as described in claim 1, characterized in that, Both the first inclined guide structure and the second inclined guide structure are configured as guide surfaces that extend at an inclination of 30° to 60° relative to the radial direction of the coil body.

3. The superconducting magnet coil box structure as described in claim 1, characterized in that, The first connector and the second connector are configured as an insulating structure.

4. The superconducting magnet coil box structure as described in any one of claims 1 to 3, characterized in that, The first support component is configured as a first pad, which is pressed and connected between the first sidewall and the inner wall surface of the annular cavity at the corresponding position. The second support component is configured as a second pad, which is pressed and connected between the second sidewall and the corresponding inner wall surface of the annular cavity.

5. The superconducting magnet coil box structure as described in claim 4, characterized in that, A filling structure is provided between the outer wall of the coil body and the inner wall of the annular cavity. The filling structure includes glass particles and epoxy resin.

6. The superconducting magnet coil box structure as described in any one of claims 1 to 3, characterized in that, The edge of the first sidewall support member is detachably and fixedly connected to one side end of the inner ring support member and the outer ring support member, and the edge of the second sidewall support member is detachably and fixedly connected to the other side end of the inner ring support member and the outer ring support member; The coil body is fitted radially between the inner ring support member and the outer ring support member of the coil box, and is located between the first side wall support member and the second side wall support member in the thickness direction of the coil box.

7. The superconducting magnet coil box structure as described in claim 6, characterized in that, The inner ring support member, the outer ring support member, the first side wall support member, and the second side wall support member are all made of metal.

8. The superconducting magnet coil box structure as described in any one of claims 1 to 3, characterized in that, The superconducting magnet coil box structure also includes a cooling structure, which comprises a cooling strip wound around the outer wall of the coil box and a cooling pipe wound around the cooling strip; and The cooling strip is configured as a heat-conducting structure.

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