CN104733151A - Device and method for storing superconductor leads and superconducting magnet system using device - Google Patents
Device and method for storing superconductor leads and superconducting magnet system using device Download PDFInfo
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- CN104733151A CN104733151A CN201310713405.5A CN201310713405A CN104733151A CN 104733151 A CN104733151 A CN 104733151A CN 201310713405 A CN201310713405 A CN 201310713405A CN 104733151 A CN104733151 A CN 104733151A
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Abstract
The invention relates to a device and a method for storing superconductor leads and a superconducting magnet system using the device. The device for storing the superconductor leads of superconducting joints in the superconducting magnet system comprises a heat-conducting and conductive storage base. The storage base is provided with channels for storing the superconductor leads. The device further comprises filling material filling the gaps between the superconductor leads and the storage base and a cooling base which is coupled with the storage base and used for cooling the storage base.
Description
Technical field
The present invention relates to a kind of being used in superconducting magnet system store the apparatus and method of the connected superconductor line of superconducting joint and use the superconducting magnet system of these apparatus and method.
Background technology
Superconductor and technology are widely used in medical industry (as magnetic resonance imaging), food service industry (as food separation), general industry (as direct casting and water treatment), transportation (as magnetic suspension train) and power industry (as power plant) etc.In practical application, by the restriction of single superconducting magnet length, two or more superconducting magnet is connected into a large-scale superconducting magnet system by conventional superconducting joint.
In current practice, in order to form superconducting joint, being generally the outer shell will removing superconducting line, then will the superconducting line of outer shell not had to connect and be fixed on matrix with certain method.This needs certain operating space to complete the making of described joint.In some cases, in order to the two or more superconducting magnet installed connects by scene online, need each superconducting coil extends certain length, as one section of superconductor line (superconducting line) of 2 meters long, to facilitate, two of lead-in wire is coupled together.
It is very important for described superconductor line and joint being remained on the low temperature obtained required for superconducting characteristic.In the superconducting magnet system that some are traditional, described superconductor line can be immersed in liquid helium with joint together with superconducting coil, under so just holding them in an extremely low temperature, to prevent quench.But, because liquid helium is expensive, volatile, and use and deal with more difficult, therefore the use of liquid helium can increase operating cost and difficulty.In addition, the use of liquid helium also can need the equipment such as liquid bath and transmission pipeline, makes superconducting magnet system become bulky.
Summary of the invention
An aspect of of the present present invention relates to a kind of device of the superconductor line being used for storing superconducting joint in superconducting magnet system, this device comprises the storage matrix of heat-conductivity conducting, it has the conduit for storing described superconductor line, also comprise for be filled in described storage matrix and described be contained in store matrix conduit in superconductor line between gap in packing material and with the thermal coupling of described storage matrix to cool the cooling matrix of described storage matrix.
Another aspect of the present invention relates to a kind of superconducting magnet system, and this system comprises at least two and extends from the superconductor line of superconducting coil, the superconducting joint connecting described superconductor line and lead-in wire storage device.Described lead-in wire storage device comprises the storage matrix of heat-conductivity conducting, and it comprises conduit, and described superconductor line is stored in this conduit.Described lead-in wire storage device also comprise be filled in described storage matrix and described be contained in store matrix conduit in superconductor line between gap in packing material and with the thermal coupling of described storage matrix described storage matrix to be cooled to the cooling matrix of predetermined temperature.
Another aspect of the invention also relates to a kind of method, in the method, connects the superconductor line extended from superconducting coil with superconducting joint, provides lead-in wire storage device to store described superconductor line.Described lead-in wire storage device comprises the storage matrix of heat-conductivity conducting, and it comprises conduit, also comprises with the thermal coupling of described storage matrix described storage matrix to be cooled to the cooling matrix of predetermined temperature.Described superconductor line is placed in after in described conduit, to a kind of packing material of gap-fill between described storage matrix and the described superconductor line be contained in the conduit storing matrix.
Accompanying drawing explanation
Be described for embodiments of the invention in conjunction with the drawings, the present invention may be better understood, in the accompanying drawings:
Fig. 1 shows a kind of exemplary superconducting magnet system.
Fig. 2 A shows a kind of lead-in wire storage device to store the embodiment of the connector pin of the superconducting magnet system shown in Fig. 1; Fig. 2 B is the profile of Fig. 2 A along A-A line.
Fig. 3 A shows another kind lead-in wire storage device to store the embodiment of the connector pin of the superconducting magnet system shown in Fig. 1; Fig. 3 B is the profile of Fig. 3 A along A '-A ' line.
Fig. 4 A shows two lead-in wire storage devices, and its tabular respectively having one to have a sinuous conduit stores matrix, and these two lead-in wire storage devices allow arrangement make two joints on it close to each other to low field regions.
Fig. 4 B shows the lead-in wire storage device that a kind of shape storing matrix adapts to the sinuous conduit on it.
Fig. 5 A shows a kind of lead-in wire storage device with tabular storage matrix and helical form conduit.
Fig. 5 B shows the lead-in wire storage device that a kind of shape storing matrix adapts to the helical form conduit on it.
Fig. 5 C shows in Fig. 5 B the shape of cross section of the storage matrix of the storage device that goes between.
Fig. 6 shows a kind of lead-in wire storage device with harness shape storage matrix and winding-type conduit.
Fig. 7 shows a kind ofly has the storage matrix of column reel form and the lead-in wire storage device of helical form conduit.
Fig. 8 A and 8B shows a kind of lead-in wire storage device with cup-shaped storage matrix and helical form conduit, and wherein Fig. 8 B is the profile of Fig. 8 A along B-B line.
Fig. 9 A shows a kind of lead-in wire storage device, it has the storage matrix of column reel form, this matrix has and makes its helical form conduit circumferentially and be used for accommodating the conduit extended vertically of the joint connecting described superconductor line haply for holding superconductor line; Fig. 9 B and 9C shows superconductor line and is wrapped in situation on the lead-in wire storage device shown in Fig. 9 A.
Figure 10 A shows a kind of lead-in wire storage device, and its conduit being used for storing lead-in wire is positioned at the lateral surface of its matrix, has used an outboard cover to be centered around the lateral surface of described matrix; Figure 10 B is the profile of Figure 10 A along C-C line.
Figure 11 A-11F shows the lead-in wire storage device having wire-wrap board matrix and winding-type conduit in different embodiment.
Figure 12 A-12C shows and superconductor line is arranged to a kind of a kind of example process with the lead-in wire storage device of wire-wrap board matrix and winding-type conduit.
Figure 13 A-13C shows and superconductor line is arranged to a kind of example process that another kind has the lead-in wire storage device of wire-wrap board matrix and winding-type conduit.
Figure 14 shows the situation that the lead-in wire storage device of superconductor line of storage two different joints is arranged together that will be used for respectively.
Embodiment
Unless otherwise defined, the technical term used in claims and specification or scientific terminology should be in the technical field of the invention the ordinary meaning that the personage with general technical ability understands.Similar words such as " one " or " one " that uses in patent application specification of the present invention and claims does not represent restricted number, but represents to there is at least one." comprise " or the similar word such as " comprising " mean to appear at " comprising " or " comprising " before element or object contain the element or object and equivalent element thereof that appear at " comprising " or " comprising " presented hereinafter, do not get rid of other elements or object." connection " or " being connected " etc. similar word can comprise physics or the connection of machinery, no matter also can comprise electric connection, be direct or indirectly.
The language of approximation used herein can be used for quantitative expression, shows to allow quantity to have certain variation when not changing basic function.Therefore, this exact value itself is not limited to the numerical value that the language such as " approximately ", " left and right " is revised.In certain embodiments, " approximately " or " about " represents and allows its numerical value revised to change in the positive and negative scope of 10 (10%), such as, and any numerical value that what " about 100 " represented can be between 90 to 110.In addition, in the statement of " about first numerical value is to second value ", revise the first and second numerical value two numerical value approximately simultaneously.In some cases, approximating language may be relevant with the precision of measuring instrument.
Embodiments of the invention relate to a kind of compact low cost apparatus and method, are used for storing extending out from superconducting coil making the superconducting line of joint.In the described embodiment, after making described joint, it is installed by lead-in wire is carried out heat, electricity and mechanical coupling, to prevent their quench when directly not cooling with liquid helium.
As shown in Figure 1, a kind of exemplary superconducting magnet system 100 comprising the superconducting coil 102,104,106 and 108 of series connection is provided.As shown in the figure, adjacent superconducting coil, such as coil 102 is connected with superconducting joint 110 with 104, and this superconducting joint 110 is connected to the superconductor line 111 and 112 extended out from superconducting coil 102 and 104 respectively.Lead-in wire as herein described refers to the free elongated end of the superconducting line of superconducting coil to be connected, or, for the superconducting coil connected with joint, refer to that section of superconducting line extended between this superconducting coil and joint.Described joint can be used for connecting two or more superconducting coils, and the two ends of a superconducting coil also can be used to couple together.Described lead-in wire may have about 1.5 meters, 2 meters or longer length.Similarly, superconducting coil 104 is connected with superconducting joint 113 with 106, and this superconducting joint 113 is connected to the superconductor line 114 and 115 extended out from superconducting coil 104 and 106 respectively; Superconducting coil 106 is connected with superconducting joint 116 with 108, and this superconducting joint 116 is connected to the superconductor line 117 and 118 extended out from superconducting coil 106 and 108 respectively.The opposite end 122,124 of the coil of described series connection connects with a switch 120 respectively by joint 126,128.Described superconducting coil 102,104,106 and 108 cools matrix 130 contact with one, and this cooling matrix 130 is used for cooling described superconducting coil 102,104,106 and 108, under the critical temperature its temperature being remained on obtain required for superconducting characteristic.Usually, described cooling matrix 130 and a low-temperature receiver (not shown) thermal coupling, this low-temperature receiver can make described cooling matrix remain on temperature lower than described critical temperature.In the illustrated embodiment in which, cooling matrix 130 is to contact with 108 outer peripheral faces with superconducting coil 102,104,106 and around the columnar shape basal of these coils.But it also can be the structure of other shape.
As shown in Figure 2, provide one and be used for installing and storing superconductor line, be such as used for storing the lead-in wire 112 and 114 that connects of joint 110, lead-in wire storage device 200.As shown in Figure 2 A and 2B, described device 200 comprises the storage matrix 202 of heat-conductivity conducting, and it has sinuous or conduit 204 that is spiral helicine or winding-type, is used for storing described superconductor line 112 and 114.Described two superconductor lines 112 and 114 are placed in conduit 204, such as, are coiled and rest in conduit 204, and fix with packing material, described packing material be filled with store matrix 202 and be contained in conduit 204 lead-in wire 112,114 between gap.Described storage matrix 202 also cools matrix thermal coupling with one, to remain on an enough low temperature, allows the temperature of the superconductor line 112 and 114 stored in it lower than described critical temperature to obtain superconductivity.Depend on concrete needs, described storage matrix 202 can with cooling matrix 130 thermal coupling being used for cooling described superconducting coil, also different second can cool matrix thermal coupling from one with cooling matrix 130.If the cooling matrix using two or more different, these cooling matrixes can with same low-temperature receiver thermal coupling, also can respectively from different low-temperature receiver thermal couplings.Because the superconductor line in described storage matrix 202 is that cooling matrix by being thermally coupled to this storage matrix 202 carries out cooling, therefore do not need to cool described superconductor line with liquid helium.In the described embodiment, directly do not contact with described storage matrix with liquid helium.
In practical application, described storage matrix 202 can have a lead-in wire entrance, is used for allowing superconductor line enter described conduit from the coil that it extends out, also can has a lead outlet, be used for allowing the front end of described lead-in wire from described conduit out.The storage matrix 202 of described conduction is generally with heat conduction and electric conductivity all well metal or alloy material, as copper and aluminium are made.Certainly, other material be easy to solder attach can also be used.Described sinuous, conduit that is spiral helicine or winding-type can carry out bending or being wound around in a variety of ways, usually, can control to prevent the superconductor line be stored in it from the critical current of surrender and impact lead-in wire occurring on the bending radius of conduit.
Described packing material can be conduction or nonconducting.In certain embodiments, described packing material is a kind of electric conducting material, or further, is a kind of brazing metal.Such as, when described superconductor line and joint thereof are used for transmission big current, described packing material can be brazing metal, and it can set up good electrical connection and hot link between superconductor line and storage matrix.In certain embodiments, described packing material is the material of thermally conductive, electrically non-conductive, as epoxy resin and grease.Such as, when described superconductor line and joint thereof are used for transmitting lower electric current, described packing material can be epoxy resin or grease, is used for setting up hot link between superconductor line and storage matrix.If described packing material is electric conducting material, the element 210 of a thermally conductive, electrically non-conductive can be set between described storage matrix 202 and cooling matrix 130.If described packing material is non electrically conductive material, between described storage matrix 202 and cooling matrix 130, the element also can not having thermally conductive, electrically non-conductive can be had.Described joint can be formed by connecting with solder.In certain embodiments, be used for described in the solder of joint processed can be any can lower than material time uniform temperature (as critical temperature) with superconductivity.
In addition, described lead-in wire storage device 200 also can comprise a joint storage area, be used for described joint to be stored in the magnetic field lowest part of superconducting coil or its near.Described joint storage area is positioned at this joint storage area with the joint when lead-in wire of joint can be made to be stored in conduit 204 that is oppositely arranged of the conduit 204 storing matrix 202.In certain embodiments, described joint storage area is a passage communicated with conduit 204 being formed on storage matrix 202.
Although only exemplarily show a lead-in wire storage device 200 in fig. 2, in fact each joint may have a corresponding lead-in wire storage device.Such as, for exemplary superconducting magnet system 100 as shown in Figure 2 A, its three joints 110,113 and 116 can have a similar lead-in wire storage device respectively, are used for storing the superconductor line of each joint.
In addition, in certain embodiments, the superconductor line of described multiple joint also can share a lead-in wire storage device, such as, is all stored in same lead-in wire storage device.Such as, in embodiment as shown in Figure 3A, the superconductor line 117 and 118 of the superconductor line 111 and 112 of described joint 110, the superconductor line 114 and 115 of joint 113 and joint 116 is all stored in same lead-in wire storage device 206.Further, the superconductor line connecting the opposite end of described series coil and the joint 126 and 128 of switch 120 is also stored in this lead-in wire storage device 206.This lead-in wire storage device 206 can be the various shape such as tabular, column, and in it, the superconductor line of corresponding each joint is provided with conduit respectively, is used for accommodating the superconductor line of this joint.Fig. 3 B is the profile along A '-A ' line of Fig. 3 A, as shown in Figure 3 B, between cooling matrix 130 and the storage matrix of lead-in wire storage device 206, a pad 208 can be set, this pad 208 can be illustrated saddle, have a laminating cooling arcwall face on matrix 130 surface and one directly or indirectly with the plane of lead-in wire storage device 206 thermal coupling, to adapt to the lead-in wire storage device 206 of plate-like structure.Described pad 208 can be made up of the material of conductive and heat-conductive, can arrange the element 210 of a thermally conductive, electrically non-conductive, guarantee not electrical connection between superconductor line and cooling matrix between pad 208 and the storage matrix of lead-in wire storage device 206.Also directly can make described pad 208 with the material of thermally conductive, electrically non-conductive, thus not be used in this pad and store the element 210 that thermally conductive, electrically non-conductive is set between matrix again.
Described lead-in wire storage device can have various different form.Such as, described storage matrix can have various different shape, as tabular, harness shape, column, reel form, bobbin form etc.Described sinuous, conduit that is spiral helicine or winding-type can carry out bending and being wound around in a different manner.Such as described conduit can be winding form or the similar spiral-shaped winding form of three-dimensional of two dimension.Below with reference to Fig. 4-14, the specific embodiment of lead-in wire storage device is described in detail.
As shown in Figure 4 A, in illustrated lead-in wire storage device 220, storing matrix is a flat board 221, it has a sinuous conduit 222, when the superconductor line 141 and 142 that the bend mode of this conduit can make joint 143 connect is stored in this conduit, joint 143 is near dull and stereotyped 221 one jiao.Like this, two such lead-in wire storage devices 220 can be arranged together, make their that angle containing joint adjacent to each other, be placed in together superconducting magnet system minimum place, magnetic field or near.In some specific embodiments, the position outside the conduit on dull and stereotyped 221 can be formed with breach or space.Such as, as shown in Figure 4 B, between adjacent two bending sections of conduit jagged 223, like this, the shape of described storage matrix has been adapted to it wriggles the shape of conduit, become a sinuous storage matrix.The existence in these breach or space can reduce the sweating heat storing matrix.In other embodiments, store the conduit that matrix also can adapt to other shape, wriggle according to required conduit form, form various different shape.
As shown in Figure 5A, in illustrated lead-in wire storage device 230, storing matrix is a flat board 231, it has a helical form conduit 232, when the superconductor line 144 and 145 that the helical fashion of this conduit can make joint 146 connect is stored in this conduit, joint 146 is positioned at the immediate vicinity of dull and stereotyped 231.Compared with aforementioned sinuous conduit 22, described spiral helicine conduit 232 can save the space stored on matrix, thus reduces the size that described tabular stores matrix.In some specific embodiments, described dull and stereotyped 231 can allow its shape adapt to the shape of helical form conduit 232, such as, as shown in Figure 5 B, store the bar-shaped matrix that matrix 240 is flutings, the shape of its cross section as shown in Figure 5 C, this bar-shaped storage matrix 240 is coiled into the coiling matrix of a rectangle in a spiral form, such structure can not only reduce the material for manufacturing described storage matrix 240, can also be welded at the superconductor line 147 and 148 that joint 149 is connected store matrix 240 conduit in time reduce and store the sweating heat of matrix 240.
As shown in Figure 6, in illustrated lead-in wire storage device 250, store the matrix 251 that matrix is a harness type, it has top, bottom and the winding-type conduit 252 between upper and lower.When joint 152 connect superconductor line 150,151 be wrapped in described conduit 252 time, joint 152 can extend out from conduit 252, and be placed on superconducting magnet system magnetic field lowest part or near.In certain embodiments, preplating can be carried out to described conduit 252, to strengthen the cementability with solder.
As shown in Figure 7, in illustrated lead-in wire storage device 260, storing matrix is a column bobbin 261, and its lateral surface (outer peripheral face) is formed with spiral helicine conduit 262.Also have a joint protective plate 263, be installed on an end face of described column bobbin 261 by modes such as welding.Described joint protective plate 263 can be made with the material the same with bobbin 261.When the superconductor line 153 and 154 that joint 155 connects is wrapped in conduit 262; joint 155 and superconductor line 153 and 154 near a segment length of this joint 155 between about 50 millimeters to about 250 millimeters; or further; between about 100 millimeters to about 200 millimeters; such as; the part of about 150 millimeters is protected by described joint protective plate 263, makes it can not be soldered to when the remainder of superconductor line 153 and 154 is soldered to conduit 262.Available a kind of Heat Conduction Material; such as epoxy resin and grease; fill described baffle 263 and the joint in it and the gap between lead segments, to strengthen capacity of heat transmission between the two, the joint 155 in baffle 263 and lead segments can be cooled by protected plate 263 better.
Similar with Fig. 7 of lead-in wire storage device shown in Fig. 8 A and 8B 270, wherein, the storage matrix of this lead-in wire storage device 270 is a cup 271, its have one bottom 272, bottom this, 272 are connected on cooling matrix (not shown) by one or more bolt 273, and this cooling matrix is used for cooling described cup 271 and the superconductor line be wrapped on this cup.Between described bottom 272 and cooling matrix, there is nonconducting element 274, between bolt 273 and bottom 272, have nonconducting packing ring 275, be used for preventing from storing between matrix and cooling matrix producing electrical connection.Similar with the lead-in wire storage device 260 shown in Fig. 7, described cup 271 has spiral helicine conduit on its lateral surface (outer peripheral face), has a joint protective plate 277 to be loaded on the top end face of cup 271 by modes such as welding.Described baffle 277 can be made with the material identical with cup 271.When the superconductor line 156 and 157 that joint 158 connects is wrapped in conduit 276; a segment length near this joint 158 of joint 158 and superconductor line 156 and 157 is between about 50 millimeters to about 250 millimeters; or further; between about 100 millimeters to about 200 millimeters; the part comparing 150 millimeters is according to appointment protected by described joint protective plate 277, makes it can not be soldered to when the remainder of superconductor line 156 and 157 is soldered to conduit 276.Available a kind of Heat Conduction Material; such as epoxy resin and grease; fill described baffle 277 and the joint in it and the gap between lead segments, to strengthen capacity of heat transmission between the two, the joint 158 in baffle 277 and lead segments can be cooled by protected plate 277 better.
Fig. 9 A-9C show a kind of with Fig. 6 in similar lead-in wire storage device 280, but its joint storage area is positioned at column reel stores on the lateral surface of matrix 281.Wherein, the lateral surface that column reel stores matrix 281 there is the helical form conduit for storing described superconductor line and is roughly used for storing the groove of joint along described column reel axially extended.As shown in Figure 9 A, described column reel stores on matrix 281 spiral helicine conduit 282, superconductor line can be allowed roughly circumferentially to extend accommodate in the inner, in addition also have axially extended groove 283, store the joint connecting described superconductor line as joint storage area.As shown in figures 9 b and 9 c, when the superconductor line 159 and 160 that joint 161 connects is wrapped in described conduit 282, described joint 161 extend in the groove 283 between storage matrix 281 and winding superconductor line 159 and 160 thereon, like this, described superconductor line 159 and 160 and described joint 161 are roughly in mutually perpendicular state.
For the described lead-in wire storage device that the conduit storing superconductor line is positioned at the lateral surface storing matrix, when superconductor line being soldered in the conduit stored on matrix lateral surface, solder may fall down based on gravity, under such a condition, as illustrated in figs. 10 a and 10b, the lateral surface of described storage matrix can be surrounded by an outboard cover 291, so just by fill solder in the gap 292 stored between the lateral surface of matrix and described outboard cover 291, and can not be able to drop.Described outboard cover can be taper, like this, just can axially it be taken off from storage matrix easily after solder solidification.
Figure 11 A-11F shows has the lead-in wire storage device 310,320,330,340 and 350 that wire-wrap board stores matrix and ring-type coiling conduit.Each lead-in wire storage device also comprises one or more lead-in wire entrance, be used for allowing the superconductor line extended out from superconducting coil enter conduit, and one or more lead outlet, be used for allowing the front end of described superconductor line, as connected the joint of the front end of superconductor line, stretch out from described conduit.In certain embodiments, described lead-in wire entrance and exit can be same mouth, that is, same opening can be used as lead-in wire entrance and exit simultaneously.
As shown in Figure 11 A, lead-in wire storage device 310 has a wire-wrap board to store matrix 311, and this matrix has a ring-type coiling conduit 312 and four openings 313,314,315 and 316, these openings communicate with conduit 312, can be used as lead-in wire entrance or outlet.Similarly, as shown in Figure 11 B, lead-in wire storage device 320 has a wire-wrap board to store matrix 321, this matrix has a ring-type coiling conduit 322 and four openings 323,324,325 and 326, these openings communicate with conduit 322, can be used as lead-in wire entrance or outlet.And in the lead-in wire storage device 330 shown in Figure 11 C, it is oval that wire-wrap board stores matrix 331, the conduit 332 on it is also oval, has two openings communicated with conduit 332 333 and 334, can be used as lead-in wire entrance or outlet.Store on matrix 341 at wire-wrap board as shown in Figure 11 D, except ring winding conduit 343, also have a translot 342.This storage matrix 341 only have an opening 344 communicated with conduit 343 be used for allowing superconductor line enter or stretching out.Described translot 342 across and connect the relative both sides of described ring winding conduit 343, like this, be wound onto after in described ring winding conduit 343 at superconductor line, the front end of superconductor line can return opening 344 from described translot 342, and leaves described conduit 342 and 343 from this opening.Wire-wrap board as depicted in fig. 1 ie stores matrix 351 ring winding conduit 352, be used as lead-in wire entrance is used for allowing superconductor line enter the opening 353 of described conduit 352 and one roughly along the straight trough 354 that a tangential direction of ring winding conduit 352 extends.When superconductor line is positioned at described conduit 352, its joint can stretch out from conduit 352 and enter in straight trough 354.Similar shown in lead-in wire storage device as shown in fig. 11f and Figure 11 E.
Embodiments of the invention also relate to a kind of method storing superconductor line.In the method, the superconductor line superconducting joint extended out from superconducting coil waiting is respectively connected, thus two or more superconducting coils is coupled together.Provide the storage device that goes between foregoing, it comprise the conductive and heat-conductive of the conduit being formed with sinuous or spiral helicine or winding-type storage matrix and with this storage matrix thermal coupling to be used for this storage matrix to be cooled to the cooling matrix of predetermined temperature.After super described superconductor line is placed in described conduit, by a kind of packing material, as brazing metal be filled into as described in store space between matrix and the superconductor line being contained in the conduit of this storage matrix.In certain embodiments, pre-plating can be carried out to described conduit before superconductor line is put into described conduit.In certain embodiments, being filled into by packing material in the process in described conduit, such as when being poured in described conduit by solder, can get up to prevent it to be filled material as coverings such as solders described joint protective.Further, described joint can be positioned over the magnetic field lowest part of superconducting magnet system or its near, further, a kind of material of thermally conductive, electrically non-conductive can be filled in the gap between described joint and the conduit of accommodating this joint.
As seen in figures 12 a-12 c, hereafter store the lead-in wire storage device 350 of matrix 351 by for the wire-wrap board that has shown in Figure 11 E, describe the process of an exemplary storage lead-in wire.Wherein, illustrated storage matrix 351 is wire-wrap boards, it has the winding-type conduit 352 for storing superconductor line and is used for storing the groove 354 of joint, and this groove 354 communicates with described winding-type conduit 352 and roughly extends along a tangential direction of this winding-type conduit 352.In addition, this storage matrix 351 also has a lead-in wire entrance 353 communicated with this conduit 352.As illustrated in fig. 12, at least pre-plating can be carried out to the surface of the conduit 352 of wire-wrap board storage matrix 351.As shown in Figure 12 B, after making joint 162, by a kind of winding tool, superconductor line 163 is become to be applicable to by spiral wound the form putting into the conduit 352 storing matrix 351 with 164.As indicated in fig. 12 c, described conduit 352 is put into by spirally-wound superconductor line by described, make to be contained in this conduit 352 by spirally-wound superconductor line section, one section of the close superconducting coil of superconductor line is positioned at lead-in wire entrance 353, and joint 162 is positioned at joint storage channel 354.Then the superconductor line stored in matrix is fixed, packing material is filled in described conduit, thus described superconductor line is fixed in storage matrix 351, and set up hot link and (or) electrical connection between superconductor line and storage matrix.Especially, can be poured into after a kind of solder heat fused in described conduit.
Similarly, as shown in Figure 13 A-13C, hereafter store the lead-in wire storage device 320 of matrix 321 by for the wire-wrap board that has shown in Figure 11 B, describe the process of an exemplary storage lead-in wire.As shown in FIG. 13A, at least pre-plating can be carried out to the surface of the conduit 322 of wire-wrap board storage matrix 321.As shown in Figure 13 B, after making joint 167, by a kind of winding tool, superconductor line 168 is become to be applicable to by spiral wound the form putting into the conduit 322 storing matrix 321 with 169.As shown in fig. 13 c, described conduit 322 is put into by spirally-wound superconductor line by described, make to be contained in this conduit 322 by the superconductor line section of spiral winding, one section of the close superconducting coil of superconductor line enters from opening 325, and joint 162 stretches out from opening 324.Then the superconductor line stored in matrix is fixed, packing material is filled in described conduit, thus described superconductor line is fixed in storage matrix 321, and set up hot link and (or) electrical connection between superconductor line and storage matrix.Especially, can be poured into after a kind of solder heat fused in described conduit.
As shown in figure 14, in certain embodiments, the two or more superconducting joints 171 and 173 in superconducting magnet system and the storage device 175 and 177 being used for storing them can be arranged together.
The present invention can summarize with other the concrete form without prejudice to spirit of the present invention or principal character.Therefore, above-mentioned embodiment of the present invention all can only be thought explanation of the present invention and can not limit the present invention, scope of the present invention is defined by claims, instead of to be defined by above-mentioned specific embodiments, therefore, any change in the implication suitable with claims of the present invention and scope, all should think to be included in the scope of claims.
Claims (10)
1. be used for the device of the superconductor line storing superconducting joint in superconducting magnet system, it comprises:
The storage matrix of heat-conductivity conducting, it has the conduit for storing described superconductor line;
Packing material, is used for being filled in the gap between described storage matrix and the described superconductor line be contained in the conduit storing matrix; And
Cooling matrix, with the thermal coupling of described storage matrix to cool described storage matrix.
2. a superconducting magnet system, it comprises:
At least two superconductor lines extended from superconducting coil;
Superconducting joint, connects described superconductor line; And
Lead-in wire storage device, it comprises:
The storage matrix of heat-conductivity conducting, it comprises conduit, and described superconductor line is stored in this conduit;
Packing material, is filled in the gap between described storage matrix and the described superconductor line be contained in the conduit storing matrix; And
Cooling matrix, with the thermal coupling of described storage matrix so that described storage matrix is cooled to predetermined temperature.
3. device as claimed in claim 1 or a system as claimed in claim 2, it comprises the joint storage area being used for storing described joint communicated with described conduit further, be positioned at the magnetic field lowest part of described superconducting magnet system or its near.
4. device as claimed in claim 1 or a system as claimed in claim 2, wherein said cooling matrix and low-temperature receiver thermal coupling.
5. device as claimed in claim 1 or a system as claimed in claim 2, wherein said packing material is brazing metal, has the element of thermally conductive, electrically non-conductive between described storage matrix and cooling matrix.
6. device as claimed in claim 1 or a system as claimed in claim 2, wherein said packing material is the material of thermally conductive, electrically non-conductive.
7. a method, it comprises:
The superconductor line extended from superconducting coil is connected with superconducting joint;
There is provided lead-in wire storage device, this device comprises:
The storage matrix of heat-conductivity conducting, it comprises conduit; And
Cooling matrix, with the thermal coupling of described storage matrix so that described storage matrix is cooled to predetermined temperature;
Described superconductor line is placed in described conduit; And
A kind of packing material is filled in the gap between described storage matrix and the described superconductor line be contained in the conduit storing matrix.
8. a method as claimed in claim 7, wherein in the process of filling described packing material, described joint is protected and is not covered by described packing material.
9. a method as claimed in claim 7, its comprise further described joint is placed in described superconducting coil magnetic field lowest part or its near.
10. a method as claimed in claim 7, wherein said conduit is positioned at the lateral surface of described storage matrix, and described method is included in further and surrounds the lateral surface of described storage matrix by an outboard cover when filling described packing material and described outboard cover removed from described storage matrix after described packing material solidifies.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| US11769615B2 (en) | 2018-05-30 | 2023-09-26 | Siemens Healthcare Limited | Superconducting joints |
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