A conduction-cooled superconducting magnet and method of processing the same
By adopting a design in which the radial outer side of the conductive cooling ring is connected to the cold source in the superconducting magnet, the problems of high cost and low cooling efficiency of conductive cooling superconducting magnets are solved, and low-cost and efficient cooling and improved structural strength are achieved.
Patent Information
- Application Number
- CN202411772469.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-04
- Publication Date
- 2025-10-10
- Estimated Expiration
- 2044-12-04
AI Technical Summary
The skeleton materials and structures of existing conduction-cooled superconducting magnets result in high costs and low cooling efficiency. In particular, the high thermal resistance of the skeleton material makes it impossible to effectively cool the coils.
Multiple cooling rings are installed on the radial outside of the superconducting coil and connected to the cold source through external cooling joints. The superconducting magnet frame only serves as a supporting structure. The cooling rings are distributed at intervals in the circumferential direction, and each cooling ring is provided with an avoidance notch for assembly.
The manufacturing cost of superconducting magnets is reduced, the cooling efficiency and strength are improved, and the assembly process is simplified.
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Figure CN119581165B_ABST
Abstract
Description
Technical Field
[0001] The present invention relates to the field of superconducting technology, and in particular to a conduction-cooled superconducting magnet and a processing method thereof. Background Art
[0002] In superconducting magnet technology, there is a type of multi-coil technology that uses a common skeleton to wind superconducting coils, which is commonly used in magnetic resonance imaging. At the same time, in order to break away from the dependence on liquid helium refrigerant, small magnetic resonance imaging superconducting magnets have also shifted from liquid helium immersion cooling to conduction cooling in recent years, and the technology is becoming increasingly mature. Existing conduction-cooled superconducting magnets mostly use skeleton conduction cooling. The skeleton must serve as both a supporting structure for the coils and a cooling structure. This places high demands on the skeleton's material and structure, making the cost of conduction-cooled superconducting magnets relatively high. In addition, because the skeleton is mostly made of materials such as aluminum alloy or stainless steel, the thermal resistance is greater than that of commonly used materials such as oxygen-free copper, which will limit the skeleton's cooling capacity and cannot effectively cool the coils. Summary of the Invention
[0003] A first object of the present invention is to provide a conduction-cooled superconducting magnet, which has a relatively low manufacturing cost and a good cooling effect on the superconducting coil.
[0004] To achieve this object, the present invention adopts the following technical solutions:
[0005] The present invention discloses a conduction-cooled superconducting magnet, comprising: a superconducting magnet skeleton, wherein the superconducting magnet skeleton has a plurality of spaced-apart partitions, and the partitions have axial slots spaced-apart along their circumferential direction; a superconducting coil, wherein the superconducting coil is wound on the superconducting magnet skeleton; a conduction-cooling ring, wherein the conduction-cooling ring is installed on the radially outer side of the superconducting coil, and the conduction-cooling rings are multiple and spaced-apart along the circumference of the superconducting coil, each of the conduction-cooling rings is provided with an avoidance slot for the partitions to pass through, and each of the conduction-cooling rings is provided with at least two external conduction-cooling joints.
[0006] In some embodiments, each of the cooling rings is further provided with a groove, and the groove is used to reduce the strength of the cooling ring so that the cooling ring matches the shape of the outer wall of the superconducting coil.
[0007] In some specific embodiments, there are multiple grooves, and the multiple grooves are distributed at intervals along the axial direction and circumferential direction of the cooling ring.
[0008] In some embodiments, the conduction-cooled superconducting magnet further includes a heating element, which is installed between the conduction-cooling ring and the superconducting coil. The heating element is attached to the outer wall of the superconducting coil and is insulated from the conduction-cooling ring.
[0009] In some specific embodiments, the conduction-cooled superconducting magnet further includes an insulating layer, which is installed between the heating element and the conduction-cooling ring and adheres to the outside of the superconducting coil.
[0010] In some more specific embodiments, the conduction-cooled superconducting magnet further includes at least one layer of a first fixed coil, which is mounted radially inward of the conduction-cooling ring and wound around the insulating layer to reinforce the insulating layer, the heating element, and the superconducting coil.
[0011] In some embodiments, the conduction-cooled superconducting magnet further includes at least one layer of a second fixed coil, wherein the second fixed coil is wound around the conduction-cooling ring to fix the conduction-cooling ring.
[0012] In some embodiments, the superconducting magnet skeleton includes: a cylindrical portion, which is used to install the partition; an end plate, which is connected to the axial ends of the cylindrical portion and is an integrally formed part with the cylindrical portion; a plurality of pull rods, each of which has two ends connected to the two end plates respectively, and a plurality of pull rods are arranged at intervals along the circumference of the end plate; wherein: an annular wire groove for winding is defined between two adjacent partitions and between the end plate and the partition, and an inlet groove connected to the annular wire groove is provided on the partition.
[0013] In some specific embodiments, a plurality of suspension rod mounting holes are provided on the end plate, and the plurality of suspension rod mounting holes are spaced apart along the circumference of the end plate.
[0014] The conductive cooling superconducting magnet of the present invention has the following beneficial effects: since the conductive cooling ring is installed radially outside the superconducting coil, during actual operation, the conductive cooling ring is connected to an external cold source through at least two external conductive cooling joints, so that the external cold energy is transferred to the conductive cooling ring, and then the conductive cooling ring cools the superconducting coil. In the present invention, the superconducting magnet frame does not need to be connected to an external cold source. The superconducting magnet frame only serves as a supporting component for the superconducting coil. The material requirements for the superconducting magnet frame are relatively low, which is conducive to reducing the manufacturing cost of the conductive cooling superconducting magnet. At the same time, since there are multiple conductive cooling rings and the multiple conductive cooling rings are spaced apart along the circumference of the superconducting coil, the cooling efficiency and cooling effect of the superconducting coil can be improved, thereby improving the strength of the conductive cooling superconducting magnet. In addition, since each conductive cooling ring is provided with an avoidance notch for the partition to pass through, the axial notch on the partition can be used as an outlet for the superconducting coil, facilitating the assembly of the conductive cooling superconducting magnet.
[0015] A second object of the present invention is to provide a method for processing a conduction-cooled superconducting magnet. The conduction-cooled superconducting magnet manufactured using this method has a relatively low manufacturing cost and a good cooling effect on the superconducting coil.
[0016] To achieve this object, the present invention adopts the following technical solutions:
[0017] The present invention discloses a method for processing a conduction-cooled superconducting magnet, comprising: sequentially winding a plurality of superconducting coils on a cylindrical portion of a superconducting magnet skeleton; installing at least two heating elements on the outside of the superconducting coils; installing an insulating layer on the outside of the heating elements; reinforcing the outside of the insulating layer with a first fixed coil; sequentially installing a plurality of conduction-cooling rings on the outside of the first fixed coil, and reinforcing the outside of the conduction-cooling rings with a second fixed coil; and installing a plurality of tie rods between two end plates of the superconducting magnet skeleton.
[0018] The beneficial effects of the processing method of the conduction-cooled superconducting magnet of the present invention are as follows: since the conduction-cooling ring is installed on the radial outside of the superconducting coil, during actual operation, the conduction-cooling ring is connected to an external cold source through at least two external conduction-cooling joints, so that the external cold energy is transferred to the conduction-cooling ring, and then the superconducting coil is cooled by the conduction-cooling ring. In the present invention, the superconducting magnet frame does not need to be connected to the external cold source. The superconducting magnet frame only serves as a supporting component of the superconducting coil. The material requirements for the superconducting magnet frame are relatively low, which is conducive to reducing the manufacturing cost of the conduction-cooled superconducting magnet.
[0019] Additional aspects and advantages of the present invention will be set forth in part in the description which follows and, in part, will be obvious from the description which follows, or may be learned by practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS
[0020] Figure 1 1 is a schematic structural diagram of a conduction-cooled superconducting magnet according to an embodiment of the present invention;
[0021] Figure 2 is a cross-sectional view of a conduction-cooled superconducting magnet according to an embodiment of the present invention;
[0022] Figure 3 yes Figure 2 The enlarged schematic diagram of point A is circled;
[0023] Figure 4 1 is a schematic diagram of a partial structure of a conduction-cooled superconducting magnet according to an embodiment of the present invention;
[0024] Figure 5 1 is a schematic structural diagram of a superconducting magnet skeleton according to an embodiment of the present invention;
[0025] Figure 6 2 is a schematic structural diagram of a cooling ring according to an embodiment of the present invention;
[0026] Figure 7 Flowchart of a method for processing a conduction-cooled superconducting magnet according to an embodiment of the present invention.
[0027] Reference numerals:
[0028] 100. superconducting coil;
[0029] 200. superconducting magnet former; 210. cylindrical portion; 220. partition; 221. axial notch; 222. wire entry slot; 230. end plate; 231. suspension rod mounting hole; 232. weight reduction hole; 240. annular wire slot; 250. suspension rod;
[0030] 300. heating element; 400. insulation layer; 500. first fixed coil;
[0031] 600. cooling ring; 610. avoiding notch; 620. external cooling joint; 630. cutting groove;
[0032] 700. second fixed coil. DETAILED DESCRIPTION
[0033] The application will be further described below in conjunction with the drawings and embodiments. It should be understood that the specific embodiments described herein are merely intended for explaining the application, but not limiting the application. In addition, it should be noted that only the parts related to the application are shown in the drawings for the convenience of description, but not all the structures.
[0034] In the description of the application, unless otherwise explicitly specified and limited, the terms "connected", "connected", "fixed" should be understood broadly, for example, it can be fixedly connected, or detachably connected, or integrated; it can be mechanically connected, or electrically connected; it can be directly connected, or indirectly connected through an intermediate medium; it can be the internal communication of two elements or the interaction relationship between two elements. For those skilled in the art, the specific meaning of the above terms in the application can be understood according to the specific circumstances.
[0035] In the description of the embodiments, the terms "upper", "lower", "left", "right", "front", "back" and other orientation or position relationships are based on the orientation or position relationship shown in the drawings, which is only for the convenience of description and simplification of operation, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the application. In addition, the terms "first" and "second" are only used to distinguish in the description, and have no special meaning.
[0036] The following refers to Figures 1-6 The specific structure of the conduction-cooled superconducting magnet is described in the embodiments of the application.
[0037] The application discloses a conduction-cooled superconducting magnet, which refers to Figure 1-Figure 3As shown, the conduction-cooled superconducting magnet comprises a superconducting magnet framework 200, a superconducting coil 100 and a plurality of cold conducting rings 600, the superconducting magnet framework 200 has a plurality of partition plates 220 arranged at intervals, the partition plates 220 are provided with axial notches 221 arranged at intervals along the circumferential direction of the partition plates 220, the superconducting coil 100 is wound on the superconducting magnet framework 200, and the cold conducting rings 600 are installed on the radially outer side of the superconducting coil 100. The cold conducting rings 600 are arranged at intervals along the circumferential direction of the superconducting coil 100, each of the cold conducting rings 600 is provided with an avoiding notch 610 for the partition plates 220 to pass through, and at least two external cold conducting joints 620 are arranged on each of the cold conducting rings 600. It can be understood that, since the cold conducting rings 600 of the embodiment are installed on the radially outer side of the superconducting coil 100, the cold conducting rings 600 are connected with an external cold source through the at least two external cold conducting joints 620 in the actual working process, so as to realize the transmission of external cold to the cold conducting rings 600, and then the superconducting coil 100 is cooled by the cold conducting rings 600. In the embodiment, the superconducting magnet framework 200 does not need to be connected with the external cold source, and the superconducting magnet framework 200 only serves as a supporting component of the superconducting coil 100, so that the material requirement of the superconducting magnet framework 200 is relatively low, which is conducive to reducing the manufacturing cost of the conduction-cooled superconducting magnet. At the same time, since the cold conducting rings 600 are arranged at intervals along the circumferential direction of the superconducting coil 100, the cooling efficiency and the cooling effect of the superconducting coil 100 can be improved, so as to be conducive to improving the strength of the conduction-cooled superconducting magnet. In addition, since each of the cold conducting rings 600 is provided with the avoiding notch 610 for the partition plates 220 to pass through, the axial notches 221 on the partition plates 220 can serve as wire outlets of the superconducting coil 100, which facilitates the assembly of the conduction-cooled superconducting magnet, and the partition plates 220 can also avoid the circumferential movement of the cold conducting rings 600 along the superconducting magnet framework 200 after being inserted into the avoiding notches 610.
[0038] The cold conducting rings 600 of the embodiment are three, and each of the cold conducting rings 600 is provided with five avoiding notches 610, and the external cold conducting joints 620 are arranged at both ends of each of the avoiding notches 610. Of course, in other embodiments of the application, the number of the cold conducting rings 600, the number of the avoiding notches 610 and the number of the external cold conducting joints 620 can be selected according to actual needs.
[0039] Optionally, the superconducting magnet framework 200 is made of a metal material, and a polytetrafluoroethylene coating is sprayed on the superconducting magnet framework 200, so as to ensure insulation and good cold conducting performance.
[0040] Optionally, the cold conducting rings 600 are made of oxygen-free copper TU1, so as to ensure good cold conducting performance. The cold conducting rings 600 need to be annealed after being formed, so as to reduce the hardness, better trim the shape and be attached to the superconducting magnet during installation, and ensure the cold conducting performance.
[0041] refer to Figure 3 As shown, the conduction-cooled superconducting magnet further includes a heater 300, which is installed between the conduction-cooling ring 600 and the superconducting coil 100. The heater 300 is attached to the outer wall of the superconducting coil 100 and is insulated from the conduction-cooling ring 600. It is understood that the heater 300 is attached to the superconducting coil 100. During actual operation, the heater 300 can heat the superconducting coil 100 as needed. When the superconducting coil 100 loses its superconducting performance due to local overheating, the entire superconducting coil 100 is heated, causing the entire superconducting coil 100 to quickly lose its superconducting performance, thereby preventing the superconducting coil 100 from being damaged by local overheating. Optionally, the heater 300 includes at least two layers of heating plates.
[0042] Optionally, the conduction-cooled superconducting magnet further includes an insulating layer 400, which is installed between the heater 300 and the conduction-cooling ring 600 and adheres to the exterior of the superconducting coil 100. The added insulating layer 400 ensures insulation between the heater 300 and the superconducting coil 100, preventing malfunctions caused by electrical conduction between the two, thereby improving the operational reliability of the conduction-cooled superconducting magnet. Furthermore, the insulating layer 400 can be an epoxy insulating layer with a thickness of no less than 2 mm.
[0043] refer to Figure 3 As shown, the conductively cooled superconducting magnet further includes at least one first fixed coil 500. The first fixed coil 500 is mounted radially inwardly of the conductive cooling ring 600 and wound around the insulating layer 400 to reinforce the insulating layer 400, the heater 300, and the superconducting coil 100. It will be appreciated that securing the insulating layer 400 and the heater 300 via the first fixed coil 500 ensures their stability, prevents them from falling off, and ensures that the heater 300 remains firmly attached to the superconducting coil 100. Furthermore, the superconducting coil 100 generates radial forces during operation, and the first fixed coil 500 further secures the superconducting coil 100, preventing it from loosening due to these radial forces. Optionally, the first fixed coil 500 includes at least three layers of copper-clad aluminum wire.
[0044] refer to Figure 3 As shown, the conduction-cooled superconducting magnet further includes at least one layer of second fixed coil 700, which is wound around the conduction cooling ring 600 to secure the conduction cooling ring 600. It is understood that securing the conduction cooling ring 600 with the second fixed coil 700 can ensure its stability, prevent the conduction cooling ring 600 from falling off, and ensure that the conduction cooling ring 600 is stably attached to the superconducting coil 100. Optionally, the second fixed coil 700 includes at least three layers of copper-clad aluminum wire.
[0045] Optionally, the depth of the plurality of axial slots 221 on the partition 220 can be adjusted according to actual needs, and is used for the output of the superconducting coil 100, the input and output of the copper-clad aluminum wire, and the output of the heating element 300.
[0046] refer to Figure 4 As shown, each cooling ring 600 is also provided with a slot 630, which is used to reduce the strength of the cooling ring 600 so that the cooling ring 600 matches the outer wall shape of the superconducting coil 100. It can be understood that the role of the slot 630 is to reduce the stiffness of the cooling copper ring. In the actual assembly process, the size of the cooling ring 600 can be corrected according to the actual size of the outer winding of the superconducting coil 100, so that the cooling ring 600 and the superconducting coil 100 are better fitted. Optionally, there are multiple slots 630, and the multiple slots 630 are distributed along the axial and circumferential directions of the cooling ring 600. Thus, there are multiple slots 630, and in the actual assembly process, the assembler can more conveniently correct the size of the cooling ring 600, so that the cooling ring 600 and the superconducting coil 100 are more fully fitted.
[0047] refer to Figure 5 As shown, the superconducting magnet skeleton 200 includes a cylindrical portion 210 and an end plate 230. The cylindrical portion 210 is used to mount a partition plate 220. The end plate 230 is connected to the axial ends of the cylindrical portion 210 and is integrally formed with the cylindrical portion 210. An annular wire groove 240 for winding wires is defined between adjacent partition plates 220 and between the end plates 230 and the partition plates 220 (there are five annular wire grooves 240 in this embodiment, but the number of annular wire grooves 240 can be adjusted according to actual needs). The partition plates 220 are provided with a wire inlet groove 222 that communicates with the annular wire grooves 240. It can be understood that the cylindrical portion 210 provides a stable winding space for the superconducting coils 100. The restraining effect of the end plates 230 and the partition plates 220 can prevent the multiple superconducting coils 100 from moving along the axial direction of the cylindrical portion 210, thereby ensuring the installation stability of the superconducting coils 100. Optionally, the end plates 230 and the partition plates 220 are symmetrically distributed around the central cross section of the cylindrical portion 210 .
[0048] Optionally, the end plate 230 is provided with a plurality of suspension rod mounting holes 231, which are spaced apart along the circumference of the end plate 230. It will be appreciated that, to reduce heat leakage from a superconducting magnet, suspension rods are generally used to suspend the superconducting magnet from the dewar. In this embodiment, the end plate 230 is provided with suspension rod mounting holes 231 for mounting the suspension rods, thereby conveniently suspending the conduction-cooled superconducting magnet of this embodiment. Furthermore, the suspension rod mounting holes 231 may be provided in four groups, with the four groups of suspension rod mounting holes 231 being symmetrically distributed.
[0049] Optionally, the superconducting magnet frame 200 further includes a plurality of tie rods 250 spaced circumferentially along the end plates 230. Each tie rod 250 has two ends connected to the suspension tie rod mounting holes 231 on the two end plates 230. It will be appreciated that the tie rods 250 serve to enhance the overall strength of the superconducting magnet frame 200, thereby improving the structural strength of the conduction-cooled superconducting magnet. Furthermore, the tie rods 250 facilitate securing the incoming and outgoing wires of the superconducting coil 100 and the incoming and outgoing wires of the heating element 300.
[0050] During the actual assembly process, the pull rod 250 is installed after the superconducting magnet is wound to avoid interference during the winding process.
[0051] Optionally, the end plate 230 is further provided with a weight-reducing hole 232 for reducing the weight of the end plate 230.
[0052] The present invention discloses a method for processing a conduction-cooled superconducting magnet. Figure 7 As shown, the processing method includes:
[0053] S1: Winding a plurality of superconducting coils 100 sequentially on the cylindrical portion 210 of the superconducting magnet skeleton 200; specifically, winding superconducting wires sequentially in the five annular wire slots 240 outside the cylindrical portion 210 to form coils.
[0054] S2: Install at least two heating elements 300 on the outside of the superconducting coil 100 . Specifically, attach the heating sheet to the outer wall of the superconducting coil 100 .
[0055] S3: Installing the insulating layer 400 on the outer side of the heating element 300; specifically, attaching the epoxy insulating sheet to the outer wall of the heating element 300, and the thickness of the epoxy insulating sheet is not less than 2 mm.
[0056] S4: A first fixed coil 500 is used to reinforce the outer side of the insulating layer 400 ; specifically, at least one layer of copper-clad aluminum wire is wound as the first fixed coil 500 to reinforce the superconducting coil 100 , the heating element 300 and the insulating layer 400 .
[0057] S5: Install multiple cooling rings 600 in sequence on the outside of the first fixed coil 500, and use the second fixed coil 700 to reinforce the outside of the cooling ring 600; specifically, during installation, insert the avoidance slot 610 on the cooling ring 600 into the position of the partition 220, and make the external cooling joint 620 embedded in the axial slot 221 of the superconducting magnet skeleton 200. After the cooling ring 600 is installed, wind at least three layers of copper-clad aluminum wire as the second fixed coil 700 to the cooling ring 600.
[0058] S6: Install a plurality of tie rods 250 between the two end plates 230 of the superconducting magnet skeleton 200 ; specifically, weld both ends of the tie rods 250 to the two end plates 230 respectively.
[0059] In the conduction-cooled superconducting magnet processed by the processing method of the present invention, since the conduction-cooling ring 600 is installed on the radial outside of the superconducting coil 100, during actual operation, the conduction-cooling ring 600 is connected to the external cold source through at least two external conduction-cooling joints 620, so that the external cold energy is transferred to the conduction-cooling ring 600, and the superconducting coil 100 is then cooled by the conduction-cooling ring 600. In this embodiment, the superconducting magnet frame 200 does not need to be connected to the external cold source. The superconducting magnet frame 200 only serves as a supporting component of the superconducting coil 100. The material requirements for the superconducting magnet frame 200 are relatively low, which is conducive to reducing the manufacturing cost of the conduction-cooled superconducting magnet.
[0060] Throughout this specification, references to "some embodiments," "other embodiments," and the like indicate that a specific feature, structure, material, or characteristic described in connection with that embodiment or example is included in at least one embodiment or example of the present invention. In this specification, schematic representations of these terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
[0061] Obviously, the above embodiments of the present invention are merely examples for the purpose of clearly illustrating the present invention and are not intended to limit the embodiments of the present invention. A person skilled in the art would be able to make various obvious changes, readjustments, and substitutions without departing from the scope of protection of the present invention. It is not necessary and impossible to enumerate all embodiments here. Any modifications, equivalent substitutions, and improvements made within the spirit and principles of the present invention shall be included within the scope of protection of the claims of the present invention.
Claims
1. A conduction-cooled superconducting magnet, characterized in that: include: A superconducting magnet frame (200), the superconducting magnet frame (200) having a plurality of spaced-apart partitions (220), the spacers (220) having axial slots (221) spaced-apart along their circumferential direction; a superconducting coil (100), the superconducting coil (100) being wound on the superconducting magnet frame (200); A cooling ring (600) is installed on the radially outer side of the superconducting coil (100). There are multiple cooling rings (600), and the multiple cooling rings (600) are distributed at intervals along the circumference of the superconducting coil (100). Each cooling ring (600) is provided with an avoidance notch (610) for the partition (220) to pass through, and each cooling ring (600) is provided with at least two external cooling joints (620).
2. The conduction-cooled superconducting magnet according to claim 1, wherein Each of the cooling rings (600) is further provided with a groove (630), and the groove (630) is used to reduce the strength of the cooling ring (600) so that the cooling ring (600) matches the shape of the outer wall of the superconducting coil (100).
3. The conduction-cooled superconducting magnet according to claim 2, wherein: There are a plurality of the cutting grooves (630), and the plurality of the cutting grooves (630) are distributed at intervals along the axial direction and the circumferential direction of the cooling ring (600).
4. The conduction-cooled superconducting magnet according to claim 1, wherein The invention also includes a heating element (300), which is installed between the cooling ring (600) and the superconducting coil (100). The heating element (300) is attached to the outer wall of the superconducting coil (100) and is insulated from the cooling ring (600).
5. The conduction-cooled superconducting magnet according to claim 4, characterized in that It also includes an insulating layer (400), which is installed between the heating element (300) and the cooling ring (600) and adheres to the outside of the superconducting coil (100).
6. The conduction-cooled superconducting magnet according to claim 5, characterized in that The invention also includes at least one layer of a first fixed coil (500), wherein the first fixed coil (500) is installed on the radial inner side of the cooling ring (600) and is wound around the insulating layer (400) to reinforce the insulating layer (400), the heating element (300) and the superconducting coil (100).
7. The conduction-cooled superconducting magnet according to claim 1, wherein It also includes at least one layer of a second fixed coil (700), wherein the second fixed coil (700) is wound around the cooling ring (600) to fix the cooling ring (600).
8. The conduction-cooled superconducting magnet according to claim 1, wherein The superconducting magnet skeleton (200) comprises: a cylindrical portion (210), the cylindrical portion (210) being used for mounting the partition (220); an end plate (230), the end plate (230) being connected to both axial ends of the cylindrical portion (210) and being an integrally formed part with the cylindrical portion (210); A plurality of tie rods (250), each of the two ends of the tie rod (250) being connected to the two end plates (230), and the plurality of tie rods (250) being arranged at intervals along the circumference of the end plates (230); wherein: An annular wire groove (240) for winding wires is defined between two adjacent partitions (220) and between the end plate (230) and the partition (220), and a wire inlet groove (222) communicating with the annular wire groove (240) is provided on the partition (220).
9. The conduction-cooled superconducting magnet according to claim 8, characterized in that The end plate (230) is provided with a plurality of suspension rod mounting holes (231), and the plurality of suspension rod mounting holes (231) are arranged at intervals along the circumference of the end plate (230).
10. A method for processing a conduction-cooled superconducting magnet, characterized in that: include: Winding a plurality of superconducting coils (100) sequentially on a cylindrical portion (210) of a superconducting magnet skeleton (200); At least two heating elements (300) are installed outside the superconducting coil (100); installing an insulating layer (400) on the outside of the heating element (300); A first fixed coil (500) is used to reinforce the outer side of the insulating layer (400); A plurality of cooling rings (600) are sequentially installed on the outer side of the first fixed coil (500); A second fixed coil (700) is used to reinforce the outer side of the cooling ring (600); A plurality of tie rods (250) are installed between two end plates (230) of the superconducting magnet skeleton (200).
Citation Information
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