CN206249985U - A kind of high-temperature superconducting magnet - Google Patents
A kind of high-temperature superconducting magnet Download PDFInfo
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- CN206249985U CN206249985U CN201621373268.0U CN201621373268U CN206249985U CN 206249985 U CN206249985 U CN 206249985U CN 201621373268 U CN201621373268 U CN 201621373268U CN 206249985 U CN206249985 U CN 206249985U
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Abstract
The utility model embodiment discloses a kind of high-temperature superconducting magnet, it is characterised in that including liquid nitrogen container, a superconduction winding is fixed in the bottom in liquid nitrogen container；Superconduction winding includes skeleton and superconducting coil；Skeleton includes the bobbin of several mutually nested settings；Skeleton also includes insulation board, fixed electrode on insulation board, and electrode is used to weld the coil interface of superconducting coil.The high-temperature superconducting magnet that the utility model embodiment is provided, the single superconducting coil of each self-winding one on each bobbin, coil interface stretches out from lead-out groove, the coil interface connection of different bobbins, forms cascaded structure.Superconducting coil on each bobbin is relatively independent, if certain superconducting coil is damaged, then this failure superconducting coil of short circuit, connection non-faulting superconducting coil forms series loop, superconducting magnet can normally be run, the waste of superconducting coil is avoided, the use cost of superconducting magnet is also reduced, is conducive to promoting the use of for superconducting magnet.
Description
Technical field
The utility model is related to HTS applications technical field, more particularly to a kind of high-temperature superconducting magnet.
Background technology
Superconductor, refers to that at a certain temperature, resistance is zero conductor also known as superconductor.In electric current transmitting procedure,
Superconducting coil has the advantages that low-loss, high efficiency and transmission current density are high, and grid loss can be greatly lowered.Therefore,
Superconductor has huge application potential, the superconducting magnet for for example being prepared using superconducting coil in power domain.
The core of superconducting magnet apparatus is the superconducting coil of superconducting wire or superconducting tape coiling, and superconducting coil has been wound on
On the skeleton of supporting role.In actual fabrication process, by selecting suitable technique for coiling and skeleton, superconducting magnet can be improved
Stability and security.
In the prior art, damaged when using single superconducting line or the superconductive tape superconducting coil of coiling on skeleton, then
This superconducting magnet can not be continuing with.At present, superconducting coil has price higher, therefore, cause the wave of superconducting coil
Take, also make the use cost of superconducting magnet higher, have impact on widely using for superconducting magnet.
Utility model content
A kind of high-temperature superconducting magnet is provided in the utility model embodiment, to solve superconducting coil portion in the prior art
Position damage, then this superconducting magnet can not be continuing with, cause the waste of superconducting coil, the use cost of superconducting magnet compared with
Problem high.
In order to solve the above-mentioned technical problem, the utility model embodiment discloses following technical scheme：
A kind of high-temperature superconducting magnet, including liquid nitrogen container, the liquid nitrogen container are used to hold liquid nitrogen, in the liquid nitrogen container
Bottom fix a superconduction winding；
The superconduction winding includes skeleton and the superconducting coil being wound on the skeleton；
The skeleton includes the bobbin of several mutually nested settings；Each described bobbin includes that one surpasses for coiling
The bobbin body of loop, the bobbin body is respectively arranged at two ends with upper flange and lower flange；Set on the upper flange
There is lead-out groove, the lead-out groove is used to draw the coil interface of superconducting coil；
The skeleton also includes insulation board, fixed electrode on the insulation board, and the electrode is used to weld superconducting coil
Coil interface.
Preferably, the high-temperature superconducting magnet also includes quenching protection device, and the quenching protection device is passed including liquid level
Sensor, temperature sensor and voltage sensor, the liquid level sensor are used to monitor the height of liquid nitrogen in the liquid nitrogen container；Institute
Temperature sensor is stated for monitoring the temperature of coil；The voltage sensor is used to monitor the electricity produced when superconducting coil is quenched
Pressure.
Preferably, the skeleton include three bobbins, be respectively arranged in order from inside to outside placement First Line coil,
Second bobbin and tertiary coil frame.
Preferably, the bobbin body is racetrack.
Preferably, the bobbin for it is low temperature resistant, without magnetic, insulating glass Steel material.
Preferably, several upper fixing elements are provided near one end of upper flange on the bobbin, are set on fixed part
There are three upper draw-in grooves arranged in parallel, three upper draw-in grooves are respectively used to fix three bobbins；
The bobbin is provided with several lower fixtures near one end of lower flange, and the lower fixture is provided with three successively
For fixing three lower bayonet slots of the bobbin, the waist for being fixedly connected with liquid nitrogen container is additionally provided with the lower fixture
Type hole.
Preferably, the quantity of fixed part is 4, and 4 fixed parts uniformly divide in the bobbin upper end
Cloth；The quantity of the lower fixture is 4, and the lower fixture is correspondingly arranged with upper fixing element.
Preferably, the insulation board is fixed on the lateral wall of the bobbin body of the tertiary coil frame by concave station fastener
Place.
From above technical scheme, the high-temperature superconducting magnet that the utility model embodiment is provided includes a superconduction winding,
Superconduction winding includes skeleton and superconducting coil, and skeleton includes the bobbin of several mutually nested settings, and each bobbin includes using
Lead-out groove in the bobbin body of winding superconducting coil and for drawing coil interface.Each self-winding one on each bobbin
Single superconducting coil, the coil interface of superconducting coil stretches out from lead-out groove, and the coil interface on different bobbins can enter
Row connection, forms cascaded structure.Superconducting coil on each bobbin is relatively independent, if certain superconducting coil is damaged or event
Barrier, then this failure superconducting coil of short circuit, connects non-faulting superconducting coil and forms series loop, and superconducting magnet can normally be run, keep away
Exempt from the waste of superconducting coil, also reduced the use cost of superconducting magnet, be conducive to promoting the use of for superconducting magnet.
Brief description of the drawings
In order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art, below will be to embodiment
Or the accompanying drawing to be used needed for description of the prior art is briefly described, it should be apparent that, for ordinary skill people
For member, on the premise of not paying creative work, other accompanying drawings can also be obtained according to these accompanying drawings.
A kind of structural representation of high-temperature superconducting magnet that Fig. 1 is provided for the utility model embodiment；
A kind of structural representation of superconduction winding that Fig. 2 is provided for the utility model embodiment；
A kind of structural representation of temperature sensor that Fig. 3 is provided for the utility model embodiment；
Label in Fig. 1-3 is expressed as：1- liquid nitrogen containers, 2- superconduction windings, 31- skeletons, 32- superconducting coils, 4- draws
Groove, 5- insulation boards, 6- electrodes, 71- upper stratas temperature sensor, 72- middle levels temperature sensor, 73- lower floors temperature sensor, on 8-
Fixture.
Specific embodiment
In order that those skilled in the art more fully understand the technical scheme in the utility model, below in conjunction with this reality
With the accompanying drawing in new embodiment, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that
Described embodiment is only a part of embodiment of the utility model, rather than whole embodiments.Based on the utility model
In embodiment, the every other implementation that those of ordinary skill in the art are obtained under the premise of creative work is not made
Example, should all belong to the scope of the utility model protection.
The structural representation of a kind of high-temperature superconducting magnet that Fig. 1 is provided for the utility model embodiment, as shown in figure 1, one
Planting high-temperature superconducting magnet includes being contained with the liquid nitrogen for freezing in liquid nitrogen container 1, liquid nitrogen container 1, and in the present embodiment, liquid nitrogen holds
Device is shaped as racetrack.
A superconduction winding 2 is fixed in bottom in liquid nitrogen container 1, and superconduction winding is using the liquid nitrogen system in liquid nitrogen container
It is cold.The structural representation of a kind of superconduction winding that Fig. 2 is provided for the utility model embodiment, as shown in Fig. 2 superconduction winding 2 is wrapped
Skeleton 31 and superconducting coil 32 are included, superconducting coil 32 is wound on skeleton 31.Skeleton 31 includes the line of several mutually nested settings
Coil.For save space, several bobbins have different internal diameter sizes, and several bobbins are ascending according to internal diameter size
Order, nested successively from inside to outside set.
Independent coil, adjacent lines coil are each wound by single superconducting wire or superconducting tape respectively on multiple bobbins
The superconducting coil of upper winding is connected in series.If the superconducting coil on certain bobbin is damaged or failure, can be by this
Superconducting coil on bobbin carries out short circuit, and the superconducting coil on unspoiled bobbin is sequentially connected, then this superconduction
Magnet still can normal work, it is higher so as to solve the problems, such as superconducting coil use cost.
Additionally, compared with a bobbin is provided only with, after multiple bobbins are set, the superconducting line wound on each bobbin
The quantity of circle reduces, therefore, the number of plies of winding is less, is conducive to the radiating of internal layer superconducting coil, it is to avoid superconducting coil is quenched
During produce Joule heat cannot shed in time.Additionally, the negligible amounts of the superconducting coil wound on each bobbin, also add
The fast cooling velocity of superconducting coil.
Those skilled in the art can set the number of bobbin according to actual conditions, and such as 3,4 or 5 etc., its is equal
Belong to the protection domain of this area.In the present embodiment, skeleton includes three bobbins, respectively First Line coil, the second coil
Frame and tertiary coil frame, three bobbin nested placements successively from inside to outside.Fixture for the ease of after is to bobbin
Fix, the internal diameter of First Line coil, the second bobbin and tertiary coil frame is set into arithmetic progression successively, i.e., three bobbins by
It is interior and outward be arranged in order placement after, make the spacing of adjacent lines coil consistent.Meanwhile, for the ease of matching somebody with somebody for bobbin and fixture
Close, in the present embodiment, the thickness of three bobbins is consistent.
In the present embodiment, bobbin for it is low temperature resistant, without magnetic, insulating glass Steel material, made with traditional stainless steel material
Bobbin compare, it is low temperature resistant, without magnetic, insulating glass Steel material make bobbin can eliminate superconducting coil energization excitation mistake
Eddy-current loss in journey, it is to avoid the generation of Joule heat, so as to Joule heat causes magnet quenching in reducing superconducting magnet operation
Possibility.Additionally, low temperature resistant, bobbin that is being prepared without magnetic, insulating glass Steel material has the rigidity of appropriateness, can be in superconducting coil
Keep original form constant during coiling, solidification.
Each bobbin includes a bobbin body, and bobbin body is used for winding superconducting coil.The shape of bobbin
Shape is oval class.In the present embodiment, bobbin body be racetrack, racetrack specifically, two ends be circular arc, middle part is two
The parallel straight line of bar.Certainly, bobbin body can also be the olive shape that two ends have sharper radian, and it belongs to the utility model
Protection domain.Compared with bobbin body circular in the prior art, the bobbin body of racetrack occupies smaller space,
Therefore, the miniaturization of superconducting magnet is conducive to.
Each bobbin body is respectively arranged at two ends with upper flange and lower flange；Upper flange is provided with two lead-out grooves 4, point
Not Wei the first lead-out groove and the second lead-out groove, lead-out groove is used to draw the coil interface of superconducting coil.On each bobbin body
The superconducting coil of coiling one respectively, superconducting coil has two coil interfaces, and one of coil interface is from the first lead-out groove
Stretch out, another coil interface stretches out from the second lead-out groove.
Can be connected with the coil interface of any one superconducting coil in another two from the coil interface stretched out in wire lead slot
Connect, for example, three coil interfaces of superconducting coil can successively carry out head and the tail connection, three superconducting coils form cascaded structure.
When the current flows, axially there is size, direction identical magnetic field in three superconducting coils.Certainly, if one of superconducting line
Circle damage, then the coil interface of two other superconducting coil can be directly connected to, then superconducting coil still can normal work, because
This, extends the service life of superconducting coil, reduces the use cost of superconducting coil.It should be noted that between coil interface
Connected mode has various, for example, weld, and it belongs to protection domain of the present utility model.
Skeleton 31 also includes two insulation boards 5, and insulation board 5 has various with the connected mode of bobbin, in the present embodiment,
Insulation board 5 is fixed at the lateral wall of bobbin body of tertiary coil frame by concave station fastener, so as to by tertiary coil frame
The coil 32 of coiling is dielectrically separated from electrode 6.
Concave station fastener is L-type sheet material, and L-type sheet material includes orthogonal first flat board and the second flat board, on the first flat board
Three draw-in grooves being parallel to each other are provided with, three draw-in grooves are respectively used to fix three bobbins.Second flat board is provided with screw, insulation
Plate 5 is provided with the screw for matching at corresponding position, by the cooperation of screw and screw, insulation board is fixed on into the second flat board
On, so as to realize the fixation by insulation board on bobbin.In the present embodiment, insulation board is epoxy resins insulation plate, asphalt mixtures modified by epoxy resin
Fat insulation board has without magnetic, insulation and low temperature tolerance characteristicses, therefore, it is adapted to be applied in superconducting magnet.
An electrode 6 is fixed on each insulation board 5, electrode 6 has various with the mode that is fixedly connected of insulation board 5, this implementation
In example, by way of screw and screw, electrode 6 is fixedly connected with insulation board 5.Electrode 6 is used to weld the line of superconducting coil
Circle interface, insulation board 5 is used to be insulated between superconducting coil 32 and electrode 6.With superconducting coil 32 be connected external circuit by electrode 6,
Itself specifically, the superconducting coil 32 stretched out in the lead-out groove 4 is welded on the electrode 6, meanwhile, electrode 6 is (a kind of by copper braid over braid
Flexible wire) with current feed (a kind of hard wire being connected with external circuit) electrical connection, i.e., electrode be connected to external circuit with
Superconducting coil, forms current-series path.In the present embodiment, electrode is copper plate electrode, and copper plate electrode has good conduction
With heat conductivility.
One end that bobbin is provided with upper flange is bobbin upper end, and the other end is bobbin lower end.Bobbin upper end sets
There are several upper fixing elements 8, upper fixing element 8 is provided with three upper draw-in grooves arranged in parallel, and three upper draw-in grooves are respectively used to fixing three
Individual bobbin.It should be noted that the width of draw-in groove should match with the thickness of bobbin on each, the spacing between adjacent upper draw-in groove
Should be consistent with the spacing of adjacent lines coil.
Bobbin lower end is provided with several lower fixtures, and lower fixture is provided with three is used for three bobbins of fixing successively
Lower bayonet slot.It should be noted that the width of lower bayonet slot, spacing are identical with upper draw-in groove, then this is not repeated.Waist is additionally provided with lower fixture
Type hole, waist-shaped hole is used to be fixedly connected with liquid nitrogen container 1.In the present embodiment, waist-shaped hole is fixed on liquid nitrogen by Positioning screw to be held
Device bottom.The lower bayonet slot of lower fixture is fixedly connected with bobbin, and the waist-shaped hole of lower fixture passes through Positioning screw liquid nitrogen container
Bottom is fixedly connected, it is achieved thereby that superconduction winding is fixed on into liquid nitrogen container bottom.Meanwhile, waist-shaped hole allows skeleton in cooling
With rise again during due to heat expansion pyrocondensation produce displacement.
It should be noted that those skilled in the art can according to actual needs set the quantity of upper fixing element and lower fixture, its
Belong to protection domain of the present utility model.In the present embodiment, the quantity of upper fixing element is 4, and 4 upper fixing elements are in bobbin
Upper end is uniformly distributed；The quantity of lower fixture is 4, and lower fixture is correspondingly arranged with upper fixing element.
Three bobbins are assembled integral by upper and lower fixture, then, will be assembled using technique of vacuum pressure for dipping electrical
The skeleton injection epoxy resin of completion, at ambient temperature, skeleton integrally curing forms insulation system, effectively increases superconducting line
The class of insulation of circle turn-to-turn and interlayer.
High-temperature superconducting magnet also includes quenching protection device, and quenching protection device includes liquid level sensor, temperature sensor
With voltage sensor, the liquid nitrogen that liquid level sensor is used to monitor in liquid nitrogen container is highly.
The structural representation of a kind of temperature sensor that Fig. 3 is provided for the utility model embodiment, as shown in figure 3, temperature
Sensor is used to monitor the temperature of superconducting coil.Each superconducting coil is provided with three temperature sensors, respectively upper strata temperature
Sensor 71, middle level temperature sensor 72 and lower floor's temperature sensor 73, three temperature sensors are located at superconducting coil 32 respectively
The position of upper, middle and lower three, be respectively used to detection superconducting coil upper, middle and lower three temperature of position.In the present embodiment, use
Temperature sensor be pt100 thermal resistance temperature sensors, it is a kind of platinum resistance sensor, wherein, 100 i.e. represent
Its resistance at 0 DEG C is 100 ohm.Platinum resistance temperature sensor high precision, good stability, temperature limit is wide, it is adaptable to
The temperature detection of middle low-temperature space (- 200 DEG C~650 DEG C).
Voltage sensor be used for connect superconducting magnet operation in superconducting coil voltage data detection, voltage in the present embodiment
Sensor is arranged at two welds of coil interface.
It should be noted that herein, the relational terms of such as " first " and " second " or the like are used merely to one
Individual entity or operation make a distinction with another entity or operation, and not necessarily require or imply these entities or operate it
Between there is any this actual relation or order.And, term " including ", "comprising" or its any other variant be intended to
Cover including for nonexcludability, so that process, method, article or equipment including a series of key elements not only include those
Key element, but also other key elements including being not expressly set out, or also include for this process, method, article or set
Standby intrinsic key element.In the absence of more restrictions, the key element limited by sentence "including a ...", it is not excluded that
Also there is other identical element in the process including the key element, method, article or equipment.
The above is only specific embodiment of the present utility model, is made skilled artisans appreciate that or realizing this
Utility model.Various modifications to these embodiments will be apparent to one skilled in the art, institute herein
The General Principle of definition can in other embodiments be realized in the case where spirit or scope of the present utility model are not departed from.
Therefore, the utility model is not intended to be limited to the embodiments shown herein, and is to fit to and original disclosed herein
Reason and the consistent scope most wide of features of novelty.
The above is only specific embodiment of the present utility model, it is noted that for the common skill of the art
For art personnel, on the premise of the utility model principle is not departed from, some improvements and modifications can also be made, these improve and
Retouching also should be regarded as protection domain of the present utility model.
Claims (8)
1. a kind of high-temperature superconducting magnet, it is characterised in that including liquid nitrogen container (1), the liquid nitrogen container (1) is for holding liquid
A superconduction winding (2) is fixed in nitrogen, the bottom in the liquid nitrogen container (1)；
The superconduction winding (2) includes skeleton (31) and the superconducting coil (32) being wound on the skeleton；
The bobbin of the skeleton (31) including several mutually nested settings；Each described bobbin includes that one surpasses for coiling
The bobbin body of loop, the bobbin body is respectively arranged at two ends with upper flange and lower flange；Set on the upper flange
There is a lead-out groove (4), the lead-out groove (4) is for drawing the interface of superconducting coil (32)；
The skeleton (31) also include insulation board (5), fixed electrode (6) on the insulation board (5), the electrode (6) is for welding
Connect the coil interface of superconducting coil (32).
2. high-temperature superconducting magnet according to claim 1, it is characterised in that the high-temperature superconducting magnet also includes quenching guarantor
Protection unit, the quenching protection device includes liquid level sensor, temperature sensor and voltage sensor, and the liquid level sensor is used
In the height of the monitoring interior liquid nitrogen of the liquid nitrogen container (1)；The temperature sensor is used to monitor the temperature of superconducting coil (32)；Institute
Voltage sensor is stated for monitoring the voltage produced when superconducting coil (32) is quenched.
3. high-temperature superconducting magnet according to claim 1, it is characterised in that the skeleton (31) includes three bobbins,
First Line coil, the second bobbin and the tertiary coil frame of placement are respectively arranged in order from inside to outside.
4. high-temperature superconducting magnet according to claim 1, it is characterised in that the bobbin body is racetrack.
5. high-temperature superconducting magnet according to claim 1, it is characterised in that the bobbin for it is low temperature resistant, without magnetic, insulation
Glass-reinforced plastic material.
6. high-temperature superconducting magnet according to claim 3, it is characterised in that near one end of upper flange on the bobbin
Several upper fixing elements (8) are provided with, fixed part (8) is provided with three upper draw-in grooves arranged in parallel, three upper draw-in grooves
It is respectively used to fix three bobbins；
The bobbin is provided with several lower fixtures near one end of lower flange, and the lower fixture is provided with three to be used for successively
Three lower bayonet slots of the bobbin are fixed, the waist for being fixedly connected with liquid nitrogen container (1) is additionally provided with the lower fixture
Type hole.
7. high-temperature superconducting magnet according to claim 6, it is characterised in that the quantity of fixed part (8) is 4,4
Individual fixed part (8) is uniformly distributed in the bobbin upper end；The quantity of the lower fixture is 4, the lower fixation
Part is correspondingly arranged with upper fixing element (8).
8. high-temperature superconducting magnet according to claim 3, it is characterised in that the insulation board (5) is solid by concave station fastener
It is scheduled at the lateral wall of the bobbin body of the tertiary coil frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621373268.0U CN206249985U (en) | 2016-12-14 | 2016-12-14 | A kind of high-temperature superconducting magnet |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621373268.0U CN206249985U (en) | 2016-12-14 | 2016-12-14 | A kind of high-temperature superconducting magnet |
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| CN206249985U true CN206249985U (en) | 2017-06-13 |
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| CN201621373268.0U Active CN206249985U (en) | 2016-12-14 | 2016-12-14 | A kind of high-temperature superconducting magnet |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107293387A (en) * | 2017-08-01 | 2017-10-24 | 西安聚能超导磁体科技有限公司 | A kind of skeleton for coil winding |
| CN113035446A (en) * | 2021-03-04 | 2021-06-25 | 上海超导科技股份有限公司 | Superconducting tape structure with quench protection and quench protection method |
| CN114843061A (en) * | 2022-05-07 | 2022-08-02 | 中国科学院近代物理研究所 | Runway type section coil leading superconducting magnet for spectrometer |
-
2016
- 2016-12-14 CN CN201621373268.0U patent/CN206249985U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107293387A (en) * | 2017-08-01 | 2017-10-24 | 西安聚能超导磁体科技有限公司 | A kind of skeleton for coil winding |
| CN113035446A (en) * | 2021-03-04 | 2021-06-25 | 上海超导科技股份有限公司 | Superconducting tape structure with quench protection and quench protection method |
| CN114843061A (en) * | 2022-05-07 | 2022-08-02 | 中国科学院近代物理研究所 | Runway type section coil leading superconducting magnet for spectrometer |
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