JP2001244109A - High-temperature superconducting coil device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a high-temperature superconducting coil device which lowly restricts heat generated from a coil conductor, etc. SOLUTION: In a high-temperature superconducting coil device, a heat transmission plate 6 is inserted into an intermediate part between superconducting coils 2 and 2 formed in a layered manner, a heat-absorbing body 3 is mounted on a front layer surface of the superconducting coils 2, 2, and the heat transmission plate 6 and heat-absorbing body 3 are connected to a freezer 4 via heat transfer bodies 5a, 5b.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a high-temperature superconducting coil device that suppresses heat generated from a coil conductor.

[0002]

2. Description of the Related Art A recent superconducting magnet using a superconducting wire can easily produce a high magnetic field magnet with a relatively compact device. Therefore, a superconducting transformer, a current limiter, an MRI (nuclear magnetic resonance apparatus), It has been applied to a wide range of industrial fields such as crystal pulling devices, and is also being put to practical use in magnetic levitation trains and the like.

Recently, an oxide superconducting wire having a higher superconducting transition temperature than the conventional one has been discovered. A superconducting magnet using this high-temperature superconducting wire can incorporate a refrigeration device having a lower cooling capacity than in the past, and thus has attracted attention for application to a wider range of industrial fields. However, a superconducting magnet using a high-temperature superconducting material has been manufactured as a practical machine, and there have been reports of examples in which operation has already started.

[0004]

A superconducting coil applied to a superconducting magnet is often manufactured by forming a superconducting wire into a tape shape to form a coil conductor, and stacking the coil conductors in a laminated form.

[0005] The superconducting coil thus constructed generates heat inside the coil conductor when excited, so a heat transfer plate is attached to the surface of the coil, and the heat generated from inside the coil conductor is transferred to the refrigeration apparatus via the heat transfer plate. And the temperature rise due to the heat generated inside the coil conductor was kept low.

However, the generated heat is generated not only within the coil conductor but also from a coil case or a heat transfer circuit that accommodates the coil. Some are based.

[0007] Therefore, the superconducting coil has the ability of the refrigeration system to perform an operation of maintaining a predetermined temperature by adding heat generated from the above-described coil case and heat transfer circuit to heat generated from inside the coil conductor. And the superconducting state cannot be maintained.

[0008] The present invention has been made in view of such circumstances, and has as its object to provide a high-temperature superconducting coil device that maintains a superconducting state by suppressing heat generated from a coil conductor or the like.

[0009]

According to the present invention, there is provided a high-temperature superconducting coil device according to the present invention.
As described in the above, a heat transfer plate inserted in the middle of a superconducting coil stacked in the axial direction and formed into a layer, a heat absorber attached to the surface layer of the superconducting coil, and the heat absorber And a refrigerator connected to the heat transfer plate via a heat transport body.

[0010] In the high-temperature superconducting coil device according to the present invention, in order to achieve the above-mentioned object, the superconducting coil is housed in a superconducting coil case.

Further, in the high-temperature superconducting coil device according to the present invention, in order to achieve the above object, the heat absorber may be made of copper, stainless steel, lead, aluminum or a rare earth element. One was selected and formed into a lump.

According to a fourth aspect of the present invention, there is provided a high-temperature superconducting coil device according to the present invention, which is provided at an intermediate portion of a superconducting coil which is stacked in an axial direction to form a layer. A heat transfer plate having an inserted heat transfer plate and a refrigerator connected to the heat transfer plate via a heat transfer body are provided, and the heat transfer body is divided into a superconducting coil side heat transfer body and a refrigerator side heat transfer body. The superconducting coil-side heat transporter is disposed at a position where the absolute value of the main component of the magnetic field generated by the superconducting coil becomes zero.

[0013] In order to achieve the above object, the high-temperature superconducting coil device according to the present invention has a structure in which the absolute value of the main component of the magnetic field in which the superconducting coil-side heat transporter is installed is reduced. The position at which the position of the superconducting coil is zero is represented by Ri, the distance from the center axis of the magnetic field line to the inner diameter of the superconducting coil, the distance from the center diameter of the superconducting coil in the width direction to Rm, the distance from the outer diameter of the superconducting coil to R0, When the position where the absolute value of the main component of the magnetic field becomes zero is R from the center axis of the magnetic field line,

(Equation 2) Is set within the range of.

According to a sixth aspect of the present invention, there is provided a high-temperature superconducting coil device according to the present invention, comprising: A heat transfer plate having an inserted heat transfer plate and a refrigerator connected to the heat transfer plate via a heat transfer body are provided, and the heat transfer body is divided into a superconducting coil side heat transfer body and a refrigerator side heat transfer body. A tape body is wound around a heat transfer body on the superconducting coil side, and the wide surface of the wound tape body is arranged parallel to a main component of a magnetic field generated by the superconducting coil.

In the high-temperature superconducting coil device according to the present invention, in order to achieve the above-mentioned object, the superconducting coil-side heat transporter includes resin between the wound tape bodies. It is impregnated.

In the high-temperature superconducting coil device according to the present invention, in order to achieve the above object, the refrigerator-side heat transport body is made of a thin plate, and at least one end thereof is provided. Are formed into a fixed portion.

In the high-temperature superconducting coil device according to the present invention, in order to achieve the above object, the refrigerator-side heat transport body is made of a thin plate, and at least one end is formed. A fixing portion is formed by interposing an electric insulating member between the thin plates to combine them into one bundle.

In the high-temperature superconducting coil device according to the present invention, in order to achieve the above object, the refrigerator-side heat transport body is made of a thin plate, and the wide surface of the thin plate is formed. Are arranged in the direction facing the main component of the magnetic field.

Further, in order to achieve the above object, the high-temperature superconducting coil device according to the present invention is housed in a superconducting coil case and stacked in the axial direction to form a layer. A heat transfer plate surrounding the superconducting coil, and an electromagnetic shielding plate mounted on the outer surface of the superconducting coil and surrounding the superconducting coil and the heat transfer plate.

In the high-temperature superconducting coil device according to the present invention, the electromagnetic shield is formed by winding a superconducting tape conductor in order to achieve the above object. .

In the high-temperature superconducting coil device according to the present invention, in order to achieve the above-mentioned object, the superconducting tape conductor may have a connection portion for setting a normal conducting state at an intermediate portion. It was done.

Further, in order to achieve the above object, the high-temperature superconducting coil device according to the present invention is housed in a superconducting coil case and stacked in the axial direction to form a layer. A heat transfer plate inserted into an intermediate portion of the superconducting coil, a heat transfer plate mounted on the superconducting coil case, and a heat transporter connecting each of the heat transfer plates to a refrigerator.

Further, in order to achieve the above object, the high-temperature superconducting coil device according to the present invention is housed in a superconducting coil case and stacked in the axial direction to form a layer. A heat transfer plate inserted in the middle portion of the superconducting coil, a heat transfer plate attached to the superconducting coil case, and another heat transfer plate in which the heat transfer plates are connected to each other and put together. And a heat transporter for connecting another heat transfer plate to the refrigerator.

In order to achieve the above-mentioned object, the high-temperature superconducting coil device according to the present invention is housed in a superconducting coil case and formed in a layered form by being stacked along the axial direction. A heat transfer plate inserted in the middle of the superconducting coil, and a heat transfer plate attached to the superconducting coil case, and the superconducting coil is divided into blocks,
A first heat transfer plate and a second heat transfer plate that combine heat transfer plates inserted into the superconducting coils divided into blocks into one for each block, and the second heat transfer plate is disposed outside the superconducting coil case; The second heat transfer plate extended to the outside of the superconducting coil case and the heat transfer plate mounted on the superconducting coil case are connected to one refrigerator via separate heat transporters. is there.

Further, in order to achieve the above object, the high-temperature superconducting coil device according to the present invention is housed in a superconducting coil case and stacked along the axial direction to form a layer. A heat transfer plate inserted in the middle of the superconducting coil, and a heat transfer plate attached to the superconducting coil case, and the superconducting coil is divided into blocks,
A first heat transfer plate and a second heat transfer plate that combine heat transfer plates inserted into the superconducting coils divided into blocks into one for each block, and the second heat transfer plate is disposed outside the superconducting coil case; The second heat transfer plate extended to the outside of the superconducting coil case and the heat transfer plate attached to the superconducting coil case are connected to different refrigerators via separate heat transporters. is there.

In order to achieve the above-mentioned object, the high-temperature superconducting coil device according to the present invention is housed in a superconducting coil case and stacked along the axial direction to form a layer. A heat transfer plate inserted in the middle of the superconducting coil, and a heat transfer plate attached to the superconducting coil case, and the superconducting coil is divided into blocks,
A first heat transfer plate and a second heat transfer plate that combine heat transfer plates inserted into the superconducting coils divided into blocks into one for each block, and the second heat transfer plate is disposed outside the superconducting coil case; The second heat transfer plate extended to the outside of the superconducting coil case and the heat transfer plate attached to the superconducting coil case are respectively supplied to the refrigerator through separate heat transporters, and the other is supplied to the refrigerant through separate heat transport bodies. These are connected to the respective sections.

Further, in the high-temperature superconducting coil device according to the present invention, in order to achieve the above-mentioned object, as described in claim 19, the refrigerant supply unit comprises liquid nitrogen, liquid neon, liquid hydrogen, and liquid helium. Of which, one type of refrigerant is selected and the second
It is supplied to the heat transfer plate.

In the high-temperature superconducting coil device according to the present invention, in order to achieve the above-mentioned object, the heat transporter may include a superconducting coil-side heat transporter and a refrigerator-side heat transporter. It is formed by winding a refrigerator-side heat transport body with a tape body and impregnating the tape body with a resin containing a high heat capacity material.

In order to achieve the above object, the high-temperature superconducting coil device according to the present invention is characterized in that the high heat capacity material is a magnetic material containing copper, stainless steel, lead, and a rare earth element. Among them, one type is selected.

[0030]

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a perspective view of a high-temperature superconducting coil device according to an embodiment of the present invention.

FIG. 1 is a conceptual diagram showing a first embodiment of a high-temperature superconducting coil device according to the present invention.

In the high-temperature superconducting coil device according to this embodiment, the heat absorber 3 mounted on the top side of the superconducting coil 2 housed in the superconducting coil case 1 and the heat absorbed by the heat absorber 3 are supplied to the refrigerator 4. It has a configuration including heat transporters 5a and 5b to be supplied.

The superconducting coil case 1 is made of stainless steel (S
US) with a superconducting coil 2 inside.
2 are accommodated. The superconducting coils 2 and 2 are formed by winding a tape-shaped coil conductor in a pancake shape, stacking the coil conductor wound in a pancake shape along the axial direction to form a layer, and forming a layered intermediate portion. For example, a heat transfer plate 6 (6a, 6b, 6c) made of pure aluminum is inserted and attached. The superconducting coil case 1 is provided as needed.

The heat absorber 3 is made of copper, stainless steel,
Lead, aluminum, molded products made of rare earth elements such as erminium compounds, etc., and cleverly utilizing the high specific heat to make a lump, AC loss, flux flow loss, heat generated from the superconducting coils 2, 2 itself, Metal plate-like heat transporters 5a and 5b (specifically, a connector for connecting the heat absorber 3 and the heat transfer plate 6 to the refrigerator 4; 5a is a connector on the superconducting coil 2 side; The heat generated from the eddy current generated in the superconducting coil case 1 and the superconducting coil case 1 is temporarily absorbed and stored.

The refrigerator 4 removes the heat absorbed by the heat absorber 3 through the heat transporters 5a and 5b, and removes the heat absorbed by the heat transfer plate 6 from the superconducting coils 2 and 2. 5a and 5b.

As described above, according to the present embodiment, the heat absorber 3 is mounted on the surface of the superconducting coils 2 and 2 formed by stacking coil conductors wound in a pancake shape along the axial direction and forming a layer. Since the heat generated from the superconducting coils 2, 2 and the like is removed by the refrigerator 4 via the heat transporters 5a, 5b and also by the heat absorber 3, a double heat absorbing structure is adopted. It is possible to keep the superconducting state by suppressing the rise.

FIG. 2 is a conceptual diagram showing a second embodiment of the high-temperature superconducting coil device according to the present invention. Note that the same reference numerals are given to the same or corresponding portions as the configuration of the first embodiment.

In the high-temperature superconducting coil device according to the present embodiment, the heat transporter 5a is provided at a position where the absolute value of the main component of the magnetic field generated by the superconducting coil 2 becomes zero.

Now, let Bz be the central axis of the line of magnetic force created by the superconducting coil 2, let Ri be the distance from this central axis Bz to the inner diameter of the superconducting coil 2, and let Rm be the distance from the central axis of the superconducting coil 2 to the coil center in the width direction. When the distance to the outer diameter of the superconducting coil 2 is R0, the position at which the absolute value of the main component of the magnetic field generated by the superconducting coil 2 becomes zero is represented by R when the distance from the central axis Bz is R:

(Equation 3) Is set in the range.

The position where the absolute value of the main component of the magnetic field becomes zero, Rm <R <R0, is a position where the magnetic fields cancel each other, and is a preferable application range confirmed by experiments.

As described above, in the present embodiment, the heat transporter 5a is installed at a position where the absolute value of the main component of the magnetic field generated by the superconducting coil 2 is zero, and the generation of eddy current is prevented. Temperature can be suppressed and the superconducting state can be always maintained.

FIG. 3 is a conceptual diagram showing a third embodiment of the high-temperature superconducting coil device according to the present invention. Note that the same reference numerals are given to the same or corresponding portions as the configuration of the first embodiment.

In the high-temperature superconducting coil device according to the present embodiment, a tape body 7 made of a good heat conductive material such as copper or aluminum is wound around a heat transport body 5a, and a wide surface of the wound tape body 7 is provided. Are arranged in parallel with the direction of the main component of the magnetic field generated by the superconducting coil 2.

As described above, in the present embodiment, the heat transporter 5a
The tape body 7 is wound around the tape body 7
Is arranged in parallel with the direction of the main component of the magnetic field generated by the superconducting coil 2 to suppress the generation of eddy currents from the heat transporter 5a. Therefore, the temperature rise of the superconducting coil 2 is suppressed and the superconducting coil 2 is always maintained in a superconducting state. Can be done.

In this embodiment, the wide surface of the tape body 7 is wound in parallel with the heat transport body 5a. At this time, for example, as shown in FIG. The resin 8 may be impregnated between the adjacent tape body 7.

FIG. 5 is a conceptual diagram showing a fourth embodiment of the high-temperature superconducting coil device according to the present invention. Note that the same reference numerals are given to the same or corresponding portions as the configuration of the first embodiment.

In the high-temperature superconducting coil device according to the present embodiment, the heat transporter 5b connected to the refrigerator (not shown), specifically, the connector is made of thin plates 9, 9 made of a good heat conductive material. A fixed portion 10 in which both ends or one end of the heat transport body 5b are combined into one bundle by welding or caulking is formed, and the wide surfaces of the thin plates 9, 9 are superconducting coils (not shown).
It is arranged in the direction facing the main component of the magnetic field created by.

As described above, in the present embodiment, the heat transporter 5b
Are made of thin plates 9, 9 made of a good heat conductive material such as copper or aluminum, and a fixing portion 10 in which both ends or one ends of the thin plates 9, 9 are combined into one bundle is formed, and the wide surfaces of the thin plates 9, 9 are formed. Are arranged in the direction facing the main component of the magnetic field,
Since the generation of the eddy current from b is suppressed, the temperature rise of the superconducting coil can be suppressed and the superconducting coil can always be maintained in the superconducting state.

In the present embodiment, the fixing portion 1 in which one end of the heat transport body 5b made of the thin plates 9, 9 is combined into one bundle.
However, the present invention is not limited to this example. For example, as shown in FIG. 6, an oxide ceramic such as aluminum nitride, sapphire, ruby, or diamond may be provided between one thin plate 9 and the next thin plate 9. The fixing portion 10 may be formed by interposing any one of the electric insulating members 11.

FIG. 7 is a conceptual diagram showing a fifth embodiment of the high-temperature superconducting coil device according to the present invention. Note that the same reference numerals are given to the same or corresponding portions as the configuration of the first embodiment.

The high-temperature superconducting coil device according to the present embodiment is housed in a superconducting coil case 1 and inserted into a layered superconducting coil 2 stacked in the axial direction and an intermediate portion between the layered superconducting coils 2. The heat transfer plate 6 to be worn or surrounded is surrounded by a donut-shaped electromagnetic shielding plate 12 which also has a heat transfer function. The electromagnetic shield 12 is made of a good conductive material such as copper and aluminum.

As described above, in this embodiment, the layered superconducting coils 2 and 2 and the heat transfer plate 6 housed in the superconducting coil case 1 are surrounded by the electromagnetic shielding plate 12.
Has a role of a heat transporter and is connected to a refrigerator (not shown) to suppress the generation of eddy current from the superconducting coil case 1, so that the temperature rise of the superconducting coils 2 and 2 is suppressed and the superconducting state is always maintained. Can be maintained.

The doughnut-shaped electromagnetic shield 12 may be formed by winding a superconducting tape conductor 13 as shown in FIG. The electromagnetic shield 12 includes a superconducting tape conductor 13
Is formed to suppress the generation of heat by reducing the electric resistance to zero.

At this time, as shown in FIGS. 9 and 10, the superconducting tape conductor 13 is connected to the connecting portion 1 in a middle portion thereof in a normal conducting state in order to escape a magnetic field generated during operation.
4 are formed.

FIG. 11 is a conceptual diagram showing a sixth embodiment of the high-temperature superconducting coil device according to the present invention. Note that the same reference numerals are given to the same or corresponding portions as the configuration of the first embodiment.

The high-temperature superconducting coil device according to the present embodiment is housed in a superconducting coil case 1 made of stainless steel, and is an intermediate part between pancake-shaped superconducting coils 2 and 2 which are stacked along the axial direction and formed in layers. For example, a heat transfer plate 6 (6a, 6b, 6c) made of pure aluminum is inserted and a heat transfer plate 15 is also adhered to the surface of the superconducting coil case 1, and each heat transfer plate 6 (6a, 6b, 6c) and 15 are united and connected to the refrigerator 4 via the heat transporters 5a and 5b, and the heat generated from the superconducting coil case 1 and the superconducting coils 2 and 2 based on the eddy current is transferred to each of them. Hot plate 1
5, 6 (6a, 6b, 6c), which has a function as a heat absorber. in this way,
In this embodiment, a heat transfer plate 6 (6a, 6b, 6c) is inserted into an intermediate portion of superconducting coils 2, 2 which are housed in a superconducting coil case 1 and are stacked along an axial direction to form a layer. The heat transfer plate 15 is also adhered to the surface of the superconducting coil case 1, and the heat generated from the superconducting coil case 1 and the superconducting coils 2, 2 is transferred to each of the heat transfer plates 15, 6 (6a, 6).
Since the structure is adopted in which the superconducting coils 2 and 2c are absorbed, the temperature rise of the superconducting coils 2 and 2 can be suppressed and the superconducting coil can always be maintained in the superconducting state.

FIG. 12 is a conceptual diagram showing a seventh embodiment of the high-temperature superconducting coil device according to the present invention. Note that the same reference numerals are given to the same or corresponding portions as the configuration of the first embodiment.

The high-temperature superconducting coil device according to this embodiment is housed in a superconducting coil case 1 made of stainless steel, and is an intermediate portion between pancake-like superconducting coils 2 and 2 which are stacked along the axial direction and formed in layers. For example, a heat transfer plate 6 (6a, 6b, 6c) made of pure aluminum is inserted and attached to the surface of the superconducting coil case 1, and a heat transfer plate 6 is further attached to the heat transfer plate 6 (6a, 6b). , 6c), 1
5 are connected to another heat transfer plate 16 that is integrated into one,
The heat transfer plates 6 (6a, 6b, 6c), 15, and 16 are combined into one and connected to the refrigerator 4 via heat transporters 5a and 5b.

The heat transfer plates 6 (6a, 6b, 6c),
In order to combine the superconducting coils 15 into one, for example, as shown in FIG. 13, the superconducting coils 2 and 2 are divided into each block, and the superconducting coils 2 and 2 for each block are connected to the first heat transfer plate 1.
7 and the second heat transfer plate 18. At this time, the second heat transfer plate 18 may be protruded outside the superconducting coil case 1, and the protruded portion may be connected to the refrigerator 4 via the heat transporters 5a and 5b.

This embodiment focuses on the fact that when the pancake-shaped superconducting coils 2 and 2 are stacked to form a layer, both outer end portions are affected by the magnetic field distribution and generate a large amount of heat. As shown in FIG.
The heat absorption may be equally borne by the heat transfer plate 6 (6a, 6b, 6c) inserted between the heat transfer plates 15 or the heat transfer plate 15 attached to the superconducting coil case 1, or as shown in FIG. The coils 2, 2 are divided into blocks, and the heat generated from the superconducting coils 2, 2 in each block is absorbed.

As described above, according to the present embodiment, the heat generated from the superconducting coil case 1 and the superconducting coils 2 and 2 is equally absorbed and burdened by the heat transfer plates 6 (6a, 6b, 6c), 15 and 16. Alternatively, since the heat generated from the superconducting coils 2, 2 and the like divided for each block is absorbed by the first heat transfer plate 17 and the second heat transfer plate 18 for each block, the temperature of the superconducting coils 2, 2 is increased. It is possible to keep the superconducting state by suppressing the rise.

When the superconducting coils 2 and 2 are divided into blocks and the heat generated in each block is absorbed,
For example, as shown in FIG. 14, each of the heat transport bodies 5 on the superconducting coils 2 and 2 side and the refrigerator 4 side is provided for each block.
a, 5b and refrigerators 4, 4 connected to the respective heat transporters 5a, 5b may be provided. For example, as shown in FIG. The refrigerant supply unit 19 may select one type of refrigerant from among nitrogen, liquid neon, liquid hydrogen, and liquid helium.

At this time, the heat transporter 5b on the refrigerator 4 side
As shown in FIG. 16, a magnetic material containing, for example, copper, lead, stainless steel, or a rare earth element is provided between one tape body 7 made of a good heat conductive material such as copper or aluminum and the adjacent tape body 7. Alternatively, the high heat capacity material 20 selected from one type may be included in the resin 8 for impregnation.

[0064]

As described above, in the high-temperature superconducting coil device according to the present invention, heat generated from eddy current or hysteresis based on a magnetic field of a superconducting coil or a superconducting coil case is transferred by a heat absorber having a large specific heat. Since the means for selecting either absorption or reduction of the generated thermal core itself is provided, the superconducting coil can be kept in the superconducting state by suppressing the temperature rise of the superconducting coil.

[Brief description of the drawings]

FIG. 1 is a conceptual diagram showing a first embodiment of a high-temperature superconducting coil device according to the present invention.

FIG. 2 is a conceptual diagram showing a second embodiment of the high-temperature superconducting coil device according to the present invention.

FIG. 3 is a conceptual diagram showing a third embodiment of the high-temperature superconducting coil device according to the present invention.

FIG. 4 is a conceptual diagram showing a modification of the high-temperature superconducting coil device according to the third embodiment of the present invention.

FIG. 5 is a conceptual diagram showing a fourth embodiment of the high-temperature superconducting coil device according to the present invention.

FIG. 6 is a conceptual diagram showing a modification of the high-temperature superconducting coil device according to the fourth embodiment of the present invention.

FIG. 7 is a conceptual diagram showing a fifth embodiment of the high-temperature superconducting coil device according to the present invention.

FIG. 8 is a conceptual diagram showing a first modification of the fifth embodiment of the high-temperature superconducting coil device according to the present invention.

FIG. 9 is a conceptual diagram showing a second modification of the high-temperature superconducting coil device according to the fifth embodiment of the present invention.

FIG. 10 is a plan view of the high-temperature superconducting coil device as viewed from the direction of arrows BB in FIG. 9;

FIG. 11 is a conceptual diagram showing a sixth embodiment of the high-temperature superconducting coil device according to the present invention.

FIG. 12 is a conceptual view showing a seventh embodiment of the high-temperature superconducting coil device according to the present invention.

FIG. 13 is a conceptual diagram showing a first modification of the seventh embodiment of the high-temperature superconducting coil device according to the present invention.

FIG. 14 is a conceptual diagram showing a second modification of the high-temperature superconducting coil device according to the seventh embodiment of the present invention.

FIG. 15 is a conceptual diagram showing a third modification of the seventh embodiment of the high-temperature superconducting coil device according to the present invention.

FIG. 16 is a conceptual diagram showing a fourth modification of the high-temperature superconducting coil device according to the seventh embodiment of the present invention.

[Explanation of symbols]

 REFERENCE SIGNS LIST 1 superconducting coil case 2 superconducting coil 3 heat absorber 4 refrigerator 5 a, 5 b heat transporter 6, 6 a, 6 b, 6 c heat transfer plate 7 tape body 8 resin 9 thin plate 10 fixing part 11 electrical insulation member 12 electromagnetic shield 13 superconductivity Tape conductor 14 Connecting portion 15, 16 Heat transfer plate 17 First heat transfer plate 18 Second heat transfer plate 19 Refrigerant supply unit 20 High heat capacity material

 ──────────────────────────────────────────────────続 き Continued on the front page (72) Inventor Yasumi Otani 2-1 Ukishima-cho, Kawasaki-ku, Kawasaki-shi, Kanagawa Prefecture Inside the Toshiba Hamakawasaki Plant (72) Inventor Toru Kuriyama 2, Ukishima-cho, Kawasaki-ku, Kawasaki-shi, Kanagawa Prefecture No. 1 Inside the Toshiba Hamakawasaki Plant (72) Inventor, Michitaka Ono 2-4, Suehirocho, Tsurumi-ku, Yokohama-shi, Kanagawa Prefecture Inside the Toshiba Keihin Plant (72) Inventor Kenji Tazaki, Suehiro, Tsurumi-ku, Yokohama-shi, Kanagawa 2-4 cho. Toshiba Keihin Works Co., Ltd.

Claims (21)

[Claims] 1. A heat transfer plate inserted in an intermediate portion of a superconducting coil stacked in the axial direction to form a layer, a heat absorber mounted on a surface layer of the superconducting coil, and the heat absorber and the heat absorber A high-temperature superconducting coil device comprising: a refrigerator connected to a heat transfer plate via a heat transport body. 2. The high-temperature superconducting coil device according to claim 1, wherein the superconducting coil is housed in a superconducting coil case. 3. The high-temperature superconducting coil device according to claim 1, wherein the heat absorber is selected from one of copper, stainless steel, lead, aluminum and rare earth elements and is formed in a lump. 4. A heat transfer plate inserted into an intermediate portion of a superconducting coil formed in a layered form by being stacked along an axial direction, and a refrigerator connected to the heat transfer plate via a heat transport body. The heat transporter was divided into a superconducting coil-side heat transporter and a refrigerator-side heat transporter, and the superconducting coil-side heat transporter was installed at a position where the absolute value of the main component of the magnetic field created by the superconducting coil was zero. A high-temperature superconducting coil device characterized by the above-mentioned. 5. The position where the absolute value of the main component of the magnetic field in which the superconducting coil-side heat transporter is installed becomes zero, the distance from the center axis of the magnetic field line to the inner diameter of the superconducting coil is Ri, the coil in the width direction of the superconducting coil When the distance to the center diameter is Rm, the distance to the outer diameter of the superconducting coil is R0, and the position where the absolute value of the main component of the magnetic field of the superconducting coil is zero is R from the central axis of the magnetic force line, 5. The high temperature superconducting coil device according to claim 4, wherein the temperature is set within the range. 6. A heat transfer plate inserted in an intermediate portion of a superconducting coil stacked in the axial direction and formed in a layer shape, and a refrigerator connected to the heat transfer plate via a heat transport body, The heat transporter is divided into a superconducting coil-side heat transporter and a refrigerator-side heat transporter, and the tape is wound around the superconducting coil-side heat transporter, and the wide surface of the wound tape is formed by the superconducting coil. A high-temperature superconducting coil device characterized by being arranged in parallel in the direction toward the main component of (1). 7. The superconducting coil-side heat transport body is characterized in that a resin is impregnated between the wound tape bodies.
A high-temperature superconducting coil device as described in the above. 8. The high-temperature superconducting coil device according to claim 6, wherein the refrigerator-side heat transport body is made of a thin plate, and has a fixing portion for forming at least one end portion into one bundle. 9. The refrigerator-side heat transport body is made of a thin plate, and at least one end portion is formed with a fixing portion that is integrated into one bundle by interposing an electric insulating member between the thin plates. 7. The high-temperature superconducting coil device according to 6. 10. The refrigerator-side heat transport body is made of a thin plate,
7. The high-temperature superconducting coil device according to claim 6, wherein the wide surface of the thin plate is arranged in a direction facing a main component of the magnetic field. 11. A heat transfer plate which is housed in a superconducting coil case and surrounds a superconducting coil formed in a layered form by being stacked along an axial direction, and a superconducting coil mounted on an outer surface of the superconducting coil. A high-temperature superconducting coil device comprising: an enclosing electromagnetic shielding plate. 12. The high-temperature superconducting coil device according to claim 11, wherein the electromagnetic shield is formed by winding a superconducting tape conductor. 13. The high-temperature superconducting coil device according to claim 11, wherein the superconducting tape conductor has a connecting portion for forming a normal conducting state in an intermediate portion. 14. A heat transfer plate accommodated in a superconducting coil case, inserted into an intermediate portion of a superconducting coil formed in a layered form by being stacked along an axial direction, a heat transfer plate mounted on the superconducting coil case, A high-temperature superconducting coil device, comprising: a heat transport body that connects each heat transfer plate to a refrigerator. 15. A heat transfer plate accommodated in a superconducting coil case and inserted into an intermediate portion of a superconducting coil stacked in an axial direction to form a layer, a heat transfer plate mounted on the superconducting coil case, A high-temperature superconducting coil device comprising: another heat transfer plate in which heat transfer plates are connected to each other to form one heat transfer plate; and a heat transport body that connects the another heat transfer plate to a refrigerator. 16. A heat transfer plate accommodated in a superconducting coil case and inserted into an intermediate portion of a superconducting coil formed in a layered form by being stacked along an axial direction, a heat transfer plate mounted on the superconducting coil case, A first heat transfer plate and a second heat transfer plate that divide the superconducting coil into blocks and integrate the heat transfer plates inserted into the superconducting coils divided into blocks into one block; The plate is extended to the outside of the superconducting coil case, and the second heat transfer plate extended to the outside of the superconducting coil case and the heat transfer plate mounted on the superconducting coil case are respectively connected via separate heat carriers. A high-temperature superconducting coil device connected to two refrigerators. 17. A heat transfer plate accommodated in a superconducting coil case and inserted in an intermediate portion of a superconducting coil formed in a layered form by being stacked along an axial direction, a heat transfer plate mounted on the superconducting coil case, A first heat transfer plate and a second heat transfer plate which divide the superconducting coil into blocks and integrate the heat transfer plates inserted into the superconducting coil divided into blocks into one block; The plate is extended to the outside of the superconducting coil case, and the second heat transfer plate extended to the outside of the superconducting coil case and the heat transfer plate attached to the superconducting coil case are separately separated via separate heat transport bodies. A high temperature superconducting coil device connected to a refrigerator. 18. A heat transfer plate accommodated in a superconducting coil case and inserted into an intermediate portion of a superconducting coil formed in a layered form by being stacked along an axial direction, a heat transfer plate mounted on the superconducting coil case, A first heat transfer plate and a second heat transfer plate which divide the superconducting coil into blocks and integrate the heat transfer plates inserted into the superconducting coil divided into blocks into one block; The plate is extended to the outside of the superconducting coil case, and the second heat transfer plate extended to the outside of the superconducting coil case and the heat transfer plate mounted on the superconducting coil case are respectively connected via separate heat transport bodies. A high-temperature superconducting coil device characterized in that a high temperature superconducting coil device is connected to a refrigerator and the other is connected to a refrigerant supply unit. 19. The refrigerant supply unit according to claim 18, wherein one of the liquid nitrogen, liquid neon, liquid hydrogen, and liquid helium is selected and supplied to the second heat transfer plate.
A high-temperature superconducting coil device as described in the above. 20. The heat transporter is divided into a superconducting coil-side heat transporter and a refrigerator-side heat transporter, and the refrigerator-side heat transporter is wound with a tape, and a high heat capacity material is placed between the tapes. 19. The high-temperature superconducting coil device according to claim 17, wherein the device is formed by impregnating with a resin contained therein. 21. The high heat capacity material is copper, stainless steel, lead,
21. The high-temperature superconducting coil device according to claim 20, wherein one kind is selected from magnetic materials containing rare earth elements.