WO2022185568A1 - 超電導電磁石装置及び超電導電磁石装置の冷却方法 - Google Patents
超電導電磁石装置及び超電導電磁石装置の冷却方法 Download PDFInfo
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- 238000001816 cooling Methods 0.000 title claims abstract description 222
- 238000000034 method Methods 0.000 title abstract description 5
- 230000007246 mechanism Effects 0.000 claims abstract description 17
- 230000005855 radiation Effects 0.000 claims abstract description 12
- 238000009413 insulation Methods 0.000 claims abstract description 8
- 230000002093 peripheral effect Effects 0.000 claims description 14
- 230000004048 modification Effects 0.000 description 13
- 238000012986 modification Methods 0.000 description 13
- 229910052782 aluminium Inorganic materials 0.000 description 11
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 11
- 238000010586 diagram Methods 0.000 description 11
- 229920003223 poly(pyromellitimide-1,4-diphenyl ether) Polymers 0.000 description 11
- 235000012771 pancakes Nutrition 0.000 description 6
- 238000010791 quenching Methods 0.000 description 5
- 230000004907 flux Effects 0.000 description 4
- 239000011347 resin Substances 0.000 description 4
- 229920005989 resin Polymers 0.000 description 4
- 238000004804 winding Methods 0.000 description 4
- 230000020169 heat generation Effects 0.000 description 3
- 230000000171 quenching effect Effects 0.000 description 3
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 150000002739 metals Chemical class 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 229910052738 indium Inorganic materials 0.000 description 1
- APFVFJFRJDLVQX-UHFFFAOYSA-N indium atom Chemical compound [In] APFVFJFRJDLVQX-UHFFFAOYSA-N 0.000 description 1
- 238000003698 laser cutting Methods 0.000 description 1
- 230000004044 response Effects 0.000 description 1
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F6/00—Superconducting magnets; Superconducting coils
- H01F6/04—Cooling
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F6/00—Superconducting magnets; Superconducting coils
- H01F6/06—Coils, e.g. winding, insulating, terminating or casing arrangements therefor
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S505/00—Superconductor technology: apparatus, material, process
- Y10S505/825—Apparatus per se, device per se, or process of making or operating same
- Y10S505/879—Magnet or electromagnet
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S505/00—Superconductor technology: apparatus, material, process
- Y10S505/825—Apparatus per se, device per se, or process of making or operating same
- Y10S505/888—Refrigeration
Definitions
- Embodiments of the present invention relate to a superconducting electromagnet device and a cooling method for the superconducting electromagnet device.
- a conventional conduction-cooled superconducting electromagnet device having a saddle-shaped coil includes a superconducting coil that generates a magnetic field, a cooling mechanism that cools the superconducting coil, a radiation shield that prevents heat from entering from the outside, and a vacuum insulation. and a vacuum vessel.
- a pure aluminum sheet having a wide width in the direction along the axis of the superconducting coil has been applied as a cooling sheet that is arranged around the outer periphery of the superconducting coil and constitutes a cooling mechanism for cooling the superconducting coil.
- the present invention has been made in response to such conventional circumstances, and its object is to efficiently cool the superconducting coil by suppressing heat generation due to eddy currents in a cooling sheet for cooling the superconducting coil. It is an object of the present invention to provide a superconducting electromagnet device and a cooling method for the superconducting electromagnet device.
- a superconducting electromagnet device includes a superconducting coil that generates a magnetic field, a cooling mechanism that cools the superconducting coil, a radiation shield that houses the superconducting coil and prevents heat from entering from the outside, and the radiation shield. and a vacuum vessel for vacuum insulation, wherein the cooling mechanism includes a plurality of strip-shaped circumferential cooling sheets arranged at intervals along the circumferential direction of the superconducting coil. and an axial cooling section including a plurality of strip-shaped axial cooling sheets arranged at intervals along the axial direction of the superconducting coil.
- An embodiment of the present invention provides a superconducting electromagnet device and a method of cooling the superconducting electromagnet device that can efficiently cool the superconducting coils by suppressing heat generation due to eddy currents in a cooling sheet for cooling the superconducting coils. can be done.
- FIG. 4 is a diagram for explaining the winding shape of the superconducting wire of the saddle-type superconducting coil;
- FIG. 4 is a diagram schematically showing an example of the shape of the superconducting coil in the axial direction;
- FIG. 4 is a diagram schematically showing the configuration of cooling sheets in the circumferential direction of the superconducting coil of the first embodiment;
- FIG. 4 is a diagram schematically showing the configuration of cooling sheets in the circumferential direction of the superconducting coil of the first embodiment
- FIG. 4 is a diagram schematically showing the structure of the cooling sheet in the axial direction of the superconducting coil of the first embodiment
- 4A and 4B are diagrams schematically showing an example of the configuration of cooling sheets in the circumferential direction and the axial direction of the first embodiment
- FIG. 4 is a diagram schematically showing another example of the configuration of cooling sheets in the circumferential direction and the axial direction
- 1 is a perspective view schematically showing the schematic configuration of a cooling sheet according to a first embodiment
- FIG. FIG. 4 is a diagram schematically showing how cooling sheets are connected in a dendritic manner
- FIG 4 is a diagram schematically showing the configuration of cooling sheets in the circumferential direction of a curved superconducting coil;
- a conduction-cooled superconducting electromagnet apparatus 100 having a saddle-shaped superconducting coil includes a superconducting coil 101 that generates a magnetic field, a cooling mechanism 102 that cools the superconducting coil 101, and accommodates the superconducting coil 101 therein. It has a radiation shield 103 for preventing heat from entering from the outside, and a vacuum container 104 for vacuum heat insulation that accommodates the radiation shield 103 . During operation, a pulse current is applied to the superconducting coil 101 for use.
- the superconducting coil 101 of this embodiment is called a saddle-shaped coil, and the winding shape of the superconducting wire is saddle-shaped as shown in FIG.
- the overall outer shape is substantially cylindrical in order to provide the superconducting wires and the insulating sheet.
- the superconducting coil 101 in addition to a linear shape along the axial direction, for example, as shown in FIG. 3, any shape such as a curved shape along the axial direction is used. be able to.
- the superconducting coil 101 used in this embodiment for example, as shown in FIG. Any shape can be used.
- the superconducting coil 101 is provided with a cooling sheet made of a pure aluminum sheet that constitutes the cooling mechanism 102 .
- This cooling sheet constitutes a part of the cooling mechanism 102 shown in FIG. do.
- a plurality of strip-shaped circumferential cooling sheets 110 are arranged along the circumferential direction of superconducting coil 101 with gaps 111 between circumferential cooling sheets. It is set up and arranged.
- the circumferential cooling sheet 110 is not arranged over the entire circumference of the superconducting coil 101, but is divided at pole portions where no coil is arranged, as shown in FIG.
- a directional cooling sheet dividing gap (spacing) 112 is provided.
- the coil has two poles, and the upper and lower parts in FIG.
- a circumferential cooling sheet 110 is provided with a cooling sheet dividing gap 112 . That is, the circumferential cooling sheet 110 is divided into two by the circumferential cooling sheet dividing gap 112 along the circumferential direction, and divided into a plurality by the circumferential cooling sheet gap 111 along the circumferential direction. It is configured.
- a plurality of strip-shaped axial cooling sheets 120 are arranged along the axial direction of the superconducting coil 101 on the outer periphery of the circumferential cooling sheet 110 described above, and gaps between the axial cooling sheets are provided. ) 121 are provided.
- the axial cooling sheet 120 is arranged at an axial intermediate portion of the superconducting coil 101 with an axial cooling sheet dividing gap (interval) 122 provided. That is, the axial cooling sheet 120 is divided into two by the axial cooling sheet dividing gap 122 along the axial direction, and is divided into a plurality by the axial cooling sheet gap 121 along the circumferential direction.
- the axial cooling sheets 120 are not electrically connected.
- an insulating seal such as a Kapton tape 130, is disposed between the circumferential cooling sheet 110 and the axial cooling sheet 120.
- the Kapton tape 130 separates the circumferential cooling sheet 110 from the axial cooling sheet 120.
- the circumferential cooling sheet 110 is attached to the coil side with a resin adhesive or the like, and the axial cooling sheet 120 is attached to the outer circumference thereof with a resin adhesive or the like via a Kapton tape 130.
- FIG. 9 shows the case where the circumferential cooling sheet 110 and the axial cooling sheet 120 are provided on the outer peripheral side of the coil, as shown in FIG.
- the sheet 120 may be provided on the winding frame side of the coil, that is, on the inner peripheral side of the coil.
- the axial cooling sheet 120 is positioned on the bobbin side and the circumferential cooling sheet 110 is positioned on the coil side. That is, it is preferable to dispose the circumferential cooling sheet 110 so as to be positioned closer to the coil. As a result, when a quench occurs, the heat due to the quench can be quickly and efficiently transferred to the entire coil by the circumferential cooling sheet 110 .
- 9 and 10 show an example in which the Kapton tape 130 is provided on the axial cooling sheet 120 side, the Kapton tape 130 may be provided on the circumferential cooling sheet 110 side.
- FIG. 11 schematically shows a perspective view of the configuration of the circumferential cooling sheet 110 and the axial cooling sheet 120 .
- the number of the circumferential cooling sheets 110 and the number of the axial cooling sheets 120 are shown to be smaller than the actual numbers for the sake of clarity.
- Each axial cooling sheet 120 is connected to the previously described refrigerator.
- one of the plurality of axial cooling sheets 120 arranged at a predetermined axial position is divided into two in the axial direction, so a total of two sheets (circumferential cooling sheet 120).
- a total of two sheets (circumferential cooling sheet 120).
- four in total including the axial direction) are adhered to the circumferential cooling sheet 110 without the Kapton tape 130 interposed therebetween.
- thermal conductivity between the circumferential cooling sheet 110 and the axial cooling sheet 120 can be improved.
- the axial cooling sheet 120 is a single stem and the circumferential cooling sheet 110 is a branch.
- FIG. 12 schematically shows how the axial cooling sheet 120 and the circumferential cooling sheet 110 are connected in a dendritic manner.
- the cooling mechanism is configured by the circumferential cooling sheet 110 and the axial cooling sheet 120 configured as described above.
- the generated cross-sectional area can be reduced.
- the cooling sheet is divided into the axial direction and the circumferential direction, and in order to break the eddy current path in the longitudinal direction of the cooling sheet, the axial cooling sheet 120 is provided at the axial center of the coil.
- a sheet dividing gap 122 is provided, and for the circumferential cooling sheet 110, a circumferential cooling sheet dividing gap 112 is provided at the poles of the coil.
- the circumferential cooling sheet 110 and the axial cooling sheet 120 are insulated by Kapton tape 130 or the like to prevent formation of an electrical path therebetween.
- any one of the axial cooling sheets 120 intersecting with the circumferential cooling sheet 110 (because they are divided by providing the axial cooling sheet dividing gap 122, a total of two sheets) is not through the Kapton tape 130 (a dendritic structure in which the axial cooling sheet 120 is a single stem and the circumferential cooling sheet 110 is a branch) to improve the cooling effect.
- the cross-sectional area where eddy currents are generated can be significantly reduced compared to the conventional ones, and the possibility of quenching due to heat generated by eddy currents can be reduced.
- the coil can be cooled wholly and substantially uniformly, while the dendritic structure allows the heat generated by quenching to be efficiently transmitted to the entire coil when the coil is quenched. As a result, effects such as a reduction in the number of refrigerators and a reduction in coil load can be obtained.
- a saddle-shaped coil is used as an example, but any shape may be used as long as it is a superconducting coil that allows pulse-type direct current or alternating current to flow.
- any of a racetrack type, a solenoid, etc. + a curved type, a linear type, etc. may be used.
- the superconducting wire NbTi, Nb 3 Sn, high-temperature superconducting wire (Y-based, etc.), or the like can be used.
- the cross-sectional shape of the magnetic field generation region is circular in this embodiment, it may be elliptical or square.
- FIG. 13 shows an example of a state in which a circumferential cooling sheet is attached to a curved superconducting coil.
- the cooling sheet may be installed on the outer peripheral surface of the coil, the inner peripheral surface of the coil, or between the layers when multiple coils are stacked. Moreover, any one of these locations or a plurality of locations may be used.
- gap positions for dividing the cooling sheet in the axial direction and the circumferential direction are provided at the center of the coil axial direction in the axial direction and at the coil poles in the circumferential direction.
- a gap may be provided at a position other than the central portion, if any, or at a position other than the extreme portion if it does not make a full circle in the circumferential direction.
- the axial cooling sheet 120 is coated with the Kapton tape 130 which is an insulating sheet.
- the tape 130 may be applied or applied to both.
- the insulation between the cooling sheets may be provided by attaching the Kapton sheet with an insulating resin, or by directly applying the insulating resin.
- FIG. 14 shows the configuration of the superconducting coil 101a of the second embodiment.
- the superconducting coil 101a of the second embodiment has an elliptical cross-sectional shape of the magnetic field generating region as an example. will be explained.
- a circumferential cooling sheet 110 made of a strip-shaped cooling sheet (pure aluminum sheet in the second embodiment) is arranged on the outer circumference of the coil along the circumferential direction of the coil.
- the circumferential cooling sheet 110 is divided into two by a circumferential cooling sheet dividing gap 112 along the circumferential direction. (not shown in FIG. 14).
- axial cooling sheets 120 similarly formed of strip-shaped cooling sheets (pure aluminum sheets in the second embodiment) extend along the axial direction outside the circumferential cooling sheets 110. are arranged. As in the first embodiment, the axial cooling sheet 120 is divided into two along the axial direction by an axial cooling sheet dividing gap 122 (not shown in FIG. 14). It is divided into a plurality of parts by the gap 121 between the cooling sheets along the axial direction.
- the cooling sheet is composed of a plurality of strip-shaped circumferential cooling sheets 110 and axial cooling sheets 120 .
- a plurality of strip-shaped circumferential cooling sheets 110 and axial cooling sheets 120 are provided with a plurality of slits 113 along the longitudinal direction thereof, as shown in FIG. It has a configuration in which a slit 123 is provided.
- the cooling sheet for cooling the superconducting coil is arranged in the axial direction so as to reduce the area penetrated by the interlinkage magnetic flux of the coil and the cross-sectional area where eddy currents are generated. and in the circumferential direction.
- the axial cooling sheet 120 is provided with an axial cooling sheet dividing gap 122 at the center of the coil axial direction
- the circumferential cooling sheet 110 is provided with an axial cooling sheet dividing gap 122 at the center of the coil.
- a circumferential cooling sheet dividing gap 112 is provided at the pole.
- a plurality of slits 113 and slits 123 are provided in a range where the amount of heat generated by the coil is large.
- laser cutting is used in this embodiment, but the method is not limited to this, and wire cutting or manual cutting may be used.
- a saddle-shaped coil is used as an example, but any shape is acceptable as long as it is a superconducting coil that allows pulse-type direct current or alternating current to flow.
- any of a racetrack type, a solenoid, etc. + a curved type, a linear type, etc. may be used.
- the cross-sectional shape of the magnetic field generation region is elliptical in this embodiment, it may be circular or square.
- a high-purity aluminum sheet is used for the cooling sheet, but other metals, such as high-purity copper and indium, may be used as long as the material has high thermal conductivity in the cryogenic region.
- the cooling sheet may be installed on the outer peripheral surface of the coil, the inner peripheral surface of the coil, or between the layers when multiple coils are stacked. Moreover, any one of these locations or a plurality of locations may be used.
- gap positions for dividing the cooling sheet in the axial direction and the circumferential direction are provided at the center of the coil axial direction in the axial direction and at the coil poles in the circumferential direction.
- a gap may be provided at a position other than the central portion, if any, or at a position other than the extreme portion if it does not make a full circle in the circumferential direction. Others are the same as those of the first embodiment.
- FIG. 16 and 17 show the configuration of the superconducting coil 101b of the third embodiment.
- the superconducting coil 101b of the third embodiment is a so-called pancake coil. to explain.
- the pancake coil is configured by winding a tape-shaped wire rod, for example.
- a circumferential cooling sheet 110 made of a strip-shaped cooling sheet (pure aluminum sheet in the third embodiment) is arranged along the circumferential direction of the coil on the outer peripheral side of the coil.
- the circumferential cooling sheet 110 has at least one circumferential cooling sheet dividing gap 112 along the circumferential direction, and is divided into a plurality of circumferential cooling sheet gaps 111 along the circumferential direction. It's becoming
- An axial cooling sheet 120 made of a strip-shaped cooling sheet (pure aluminum sheet in the third embodiment) is arranged along the axial direction outside the circumferential cooling sheet 110 .
- the axial cooling sheet 120 is divided into a plurality of sections by axial cooling sheet gaps 121 along the axial direction. 16 omits illustration of a part of the axial cooling sheet 120, the axial cooling sheet 120 is provided over the entire circumference. As shown in FIG. 17, the axial cooling sheets 120 are also provided on both sides of the axial ends of the superconducting coil 101b.
- Axial cooling sheet 120 is connected to the cooling mechanism.
- the cooling sheet is composed of a plurality of strip-shaped circumferential cooling sheets 110 and axial cooling sheets 120 .
- the cooling sheet for cooling the superconducting coil is arranged in the axial direction so as to reduce the area penetrated by the interlinkage magnetic flux of the coil and the cross-sectional area where eddy currents are generated. and in the circumferential direction.
- the present invention can also be applied to pancake coils.
- FIG. 18 shows an example of the configuration when a plurality of pancake coils are stacked.
- FIG. 19 shows an example configuration in which the axial cooling sheet 120 is also provided on the inner portion of the pancake coil.
- FIG. 20 shows a configuration example in which in addition to the axial cooling sheet 120, the circumferential cooling sheet 110 is also provided on the inner portion of the pancake coil.
- a circumferential cooling sheet 110 made of a strip-shaped cooling sheet (pure aluminum sheet in the fourth embodiment) is arranged along the circumferential direction of the coil on the outer peripheral side of the coil.
- the circumferential cooling sheet 110 has at least one circumferential cooling sheet dividing gap 112 along the circumferential direction, and is divided into a plurality of circumferential cooling sheet gaps 111 along the circumferential direction. It's becoming
- an axial cooling sheet 120 made of a strip-shaped cooling sheet (pure aluminum sheet in the fourth embodiment) is arranged along the axial direction.
- the axial cooling sheet 120 is divided into a plurality of sections by axial cooling sheet gaps 121 along the axial direction.
- Axial cooling sheet 120 is connected to the cooling mechanism. Note that the circumferential cooling sheet 110 and the axial cooling sheet 120 may be provided on the inner peripheral side of the superconducting coil 101c, or may be provided on both the outer peripheral side and the inner peripheral side.
- the cooling sheet is composed of a plurality of strip-shaped circumferential cooling sheets 110 and axial cooling sheets 120 .
- the cooling sheet for cooling the superconducting coil is arranged in the axial direction so as to reduce the area penetrated by the interlinking magnetic flux of the coil and the cross-sectional area where eddy currents are generated. and in the circumferential direction.
- a circumferential cooling sheet dividing gap 112 is provided for the circumferential cooling sheet 110 .
- FIG. 23 shows a configuration example in which the solenoid coils are arranged in two layers, one on the inside and one on the outside. In this case, the solenoid coils may be arranged in multiples such as three or more.
- FIG. 24 shows a configuration example in which a plurality of solenoid coils are stacked.
- FIG. 25 shows a configuration example in which the circumferential cooling sheet 110 and the axial cooling sheet 120 are also provided inside the solenoid coil.
- FIG. 26 shows a configuration example in which the axial cooling sheets 120 are also provided on both side surfaces of the axial ends of the solenoid coil.
Abstract
Description
図1に示す様に、鞍型超電導コイルを有する伝導冷却型の超電導電磁石装置100は、磁場を発生させる超電導コイル101と、超電導コイル101を冷却する冷却機構102と、内部に超電導コイル101を収容し外部からの熱侵入を防ぐ輻射シールド103と、輻射シールド103を収容する、真空断熱のための真空容器104とを具備している。運用時には超電導コイル101にパルス電流を流して使用する。
次に、第2実施形態について説明する。基本構成は第1実施形態と同じであり、第1実施形態と対応する部分には同一の符号を付して重複した説明は省略する。図14は、第2実施形態の超電導コイル101aの構成を示すもので、図14に示すように、第2実施形態の超電導コイル101aについては、磁場発生領域の断面形状が楕円状の場合を例にして説明する。
次に、第3実施形態について説明する。基本構成は第1実施形態と同じであり、第1実施形態と対応する部分には同一の符号を付して重複した説明は省略する。図16、図17は、第3実施形態の超電導コイル101bの構成を示すもので、これらの図に示すように、第3実施形態の超電導コイル101bについては、所謂パンケーキコイルの場合を例にして説明する。パンケーキコイルは、例えばテープ状の線材を巻回して構成されている。
次に、第4実施形態について説明する。基本構成は第1実施形態と同じであり、第1実施形態と対応する部分には同一の符号を付して重複した説明は省略する。図21、図22は、第4実施形態の超電導コイル101cの構成を示すもので、これらの図に示すように、第4実施形態の超電導コイル101cについては、所謂ソレノイドコイルの場合を例にして説明する。
Claims (11)
- 磁場を発生させる超電導コイルと、
前記超電導コイルを冷却する冷却機構と、
内部に前記超電導コイルを収容し外部からの熱侵入を防ぐ輻射シールドと、
前記輻射シールドを収容する、真空断熱のための真空容器とを具備し、
前記冷却機構は、
前記超電導コイルの周方向に沿って互いに間隔を空けて配列された複数の短冊状の周方向冷却シートを具備した周方向冷却部と、
前記超電導コイルの軸方向に沿って互いに間隔を空けて配列された複数の短冊状の軸方向冷却シートを具備した軸方向冷却部と、
を具備したことを特徴とする超電導電磁石装置。 - 請求項1記載の超電導電磁石装置であって、
前記周方向冷却シートは、前記超電導コイルの周方向において複数に分割されていることを特徴とする超電導電磁石装置。 - 請求項2記載の超電導電磁石装置であって、
前記周方向冷却シートは、前記超電導コイルの極の部分で分割されていることを特徴とする超電導電磁石装置。 - 請求項1乃至3の何れか1項記載の超電導電磁石装置であって、
前記軸方向冷却シートは、前記超電導コイルの軸方向において複数に分割されていることを特徴とする超電導電磁石装置。 - 請求項4記載の超電導電磁石装置であって、
前記軸方向冷却シートは、前記超電導コイルの軸方向中央部にて分割されていることを特徴とする超電導電磁石装置。 - 請求項1乃至5の何れか1項記載の超電導電磁石装置であって、
前記周方向冷却部及び前記軸方向冷却部は、前記超電導コイルの外周側又は内周側に配設されていることを特徴とする超電導電磁石装置。 - 請求項1乃至6の何れか1項記載の超電導電磁石装置であって、
前記周方向冷却部は、前記軸方向冷却部より前記超電導コイルに近い位置に配設されていることを特徴とする超電導電磁石装置。 - 請求項1乃至7の何れか1項記載の超電導電磁石装置であって、
前記周方向冷却シートと前記軸方向冷却シートとの間に絶縁シートが配設されていることを特徴とする超電導電磁石装置。 - 請求項8記載の超電導電磁石装置であって、
所定の軸方向位置に沿って配設された1又は複数の前記軸方向冷却シートと、前記周方向冷却シートとの間に前記絶縁シートが配設されていないことを特徴とする超電導電磁石装置。 - 請求項1乃至9の何れか1項記載の超電導電磁石装置であって、
前記周方向冷却部の前記短冊状の冷却シート、及び、前記軸方向冷却部の前記短冊状の冷却シートの少なくとも一方には、部分的にスリットが設けられていることを特徴とする超電導電磁石装置。 - 磁場を発生させる超電導コイルと、
前記超電導コイルを冷却する冷却機構と、
内部に前記超電導コイルを収容し外部からの熱侵入を防ぐ輻射シールドと、
前記輻射シールドを収容する、真空断熱のための真空容器と、
を具備した超電導電磁石装置の冷却方法であって、
前記超電導コイルの周方向に沿って互いに間隔を空けて配列された複数の短冊状の周方向冷却シートを具備した周方向冷却部と、
前記超電導コイルの軸方向に沿って互いに間隔を空けて配列された複数の短冊状の軸方向冷却シートを具備した軸方向冷却部と、
を具備した前記冷却機構によって、前記超電導コイルを冷却することを特徴とする超電導電磁石装置の冷却方法。
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CN202180087597.6A CN116711037A (zh) | 2021-03-02 | 2021-08-16 | 超导电磁铁装置和超导电磁铁装置的冷却方法 |
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- 2021-08-16 CN CN202180087597.6A patent/CN116711037A/zh active Pending
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2022
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CN116711037A (zh) | 2023-09-05 |
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TWI795210B (zh) | 2023-03-01 |
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