CN205069261U - High -temperature superconductor annular flux pump - Google Patents
High -temperature superconductor annular flux pump Download PDFInfo
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- CN205069261U CN205069261U CN201520640823.0U CN201520640823U CN205069261U CN 205069261 U CN205069261 U CN 205069261U CN 201520640823 U CN201520640823 U CN 201520640823U CN 205069261 U CN205069261 U CN 205069261U
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Abstract
The utility model relates to a high temperature superconducting materia magnetization device designs technical field, concretely relates to high -temperature superconductor annular flux pump, solve prior art in high temperature superconducting materia magnetization device bulky, weight is heavy, the energy consumption is high, the technical problem of the inefficiency that magnetizes, its structure includes: the three -phase electric coil winding of coaxial line setting with can assemble the magnetic circuit at three -phase electric coil winding terminal surface with the magnetic field ripples that three -phase electric coil winding produced. Only needing the direct high temperature superconducting materia that will wait to magnetize to arrange the terminal surface of three -phase electric coil winding in during the use, contacting with high -temperature superconductor annular flux pump, inclusive AND high -temperature superconductor annular flux pump keeps one section distance to magnetize.
Description
Technical field
The utility model relates to high temperature superconducting materia magnetizer design field, is specifically related to a kind of high-temperature superconductor annular flux pump.
Background technology
High temperature superconducting materia can catch very strong magnetic field.Usually adopt a large-scale coil magnet to produce strong background magnetic field when high temperature superconducting materia of the prior art magnetizes, make high temperature superconducting materia trapped flux in background magnetic field.Details are as follows for its operation principle: the standing wave magnetic field that single phase winding magnet produces is evenly distributed at area of space, along with the increase of magnetic field intensity, magnetic flux strengthens in superconduction perimeter, magnetic pressure is caused between superconductor outside and inside, this magnetic pressure helps a large amount of flux quantums by overcoming the pining force of superconductor, makes magnetic flux enter into superconductor inside.Though the effective but uneconomical practicality of this magnetization method, according to prior art, for reaching above-mentioned technical purpose to produce enough strong high-intensity magnetic field, usually need to adopt large-scale coil magnet and powerful single phase poaer supply, energy conversion efficiency is extremely low, such as: a usual quality of copper coil magnet producing more than 1.0T standing wave magnetic field is tens kilograms, and magnet diameter is tens centimetres, in addition, huge coil magnet magnetizer is unsuitable for carrying out exempting from dismounting for the high temperature superconducting materia being installed to device interior and magnetizes, because these high temperature superconducting materias are installed in the cooled cryostat of vacuum heat-insulating layer by compact usually, usually adopt in prior art outside the cryogenic system that massive coil magnet is placed on and comprises cooled cryostat as high temperature superconducting materia magnetizes, therefore the effect that magnetizes that enough strong magnetic field just can reach desirable must be produced, but the magnetic field energy therefore brought is not concentrated, and the efficiency that magnetizes is low, the technical problems such as the energy consumption that magnetizes is excessive become the outstanding technical problem of puzzlement one of those skilled in the art.In addition, excessively strong magnetic field is dispersed in peripheral space can cause certain risk to the fail safe of operating process, once carelessness just easily causes the generation of safety responsibility accident, danger coefficient is higher.Further, adopt massive coil as the core component magnetized owing to having to, during use, coil needs the direct current connecting several amperes, can be unwanted heat energy by most of electric energy conversion, and then cause energy transformation ratio low, system power consumption is too high, and how to accomplish energy-saving and cost-reducing also becomes a technical problem urgently to be resolved hurrily.Therefore, the magnetizer for high temperature superconducting materia developing a small-sized efficient low energy consumption becomes a kind of required.
Summary of the invention
For this reason, the utility model provides a kind of high-temperature superconductor annular flux pump, at least one technical problem in the above-mentioned technical problem of high temperature superconducting materia magnetizer in solution prior art.
The utility model provides a kind of high-temperature superconductor annular flux pump, comprising: the three-phase electricity coil windings be coaxially set and the magnetic circuit that the magnetic field wave that three-phase electricity coil windings produces can be converged in three-phase electricity coil winding terminal face.
Alternatively, according to high-temperature superconductor annular flux pump of the present utility model, magnetic circuit comprises: three hollow cylinders be made up of magnetic conductive media and center pillar;
Three hollow cylinders are all coaxially set; Gap between adjacent two hollow cylinders is suitable with the space needed for assembling three-phase electricity coil windings;
Center pillar is cylindric, is positioned at the hollow cylinder of inner side, and is coaxially set with the hollow cylinder being positioned at inner side; The internal diameter size of the diameter of center pillar and the most inner coil of three-phase electricity coil windings is suitable.
Alternatively, according to high-temperature superconductor of the present utility model annular flux pump, three groups of coils of three-phase electricity coil windings are wrapped on center pillar and the outer wall according to outside first and second hollow cylinder of axis respectively.
Alternatively, according to high-temperature superconductor annular flux pump of the present utility model, three hollow cylinders and center pillar are made up of the magnetic conductive media of identical material.
Alternatively, according to high-temperature superconductor of the present utility model annular flux pump, the outer wall being positioned at outermost hollow cylinder is wound with DC coil.
Alternatively, according to high-temperature superconductor annular flux pump of the present utility model, also comprise single phase poaer supply, DC coil is connected with single phase poaer supply.
Alternatively, according to high-temperature superconductor annular flux pump of the present utility model, DC coil is superconducting coil.
Alternatively, according to high-temperature superconductor annular flux pump of the present utility model, also comprise three phase converter, three phase converter is connected with three-phase electricity coil.
Alternatively, according to high-temperature superconductor annular flux pump of the present utility model, three-phase electricity coil windings is superconducting coil.
Alternatively, according to high-temperature superconductor of the present utility model annular flux pump, in three-phase electricity coil windings wantonly two groups of coils impedance factor difference.
The utility model, by the magnetizer adopting the three-phase electricity coil windings of coaxial line and the magnetic circuit that the magnetic field wave of three-phase electricity coil windings generation converge in described three-phase electricity coil winding terminal face can be formed, effectively solves the technical problem that magnetizer in prior art is bulky, too heavy, the efficiency that magnetizes is low and the energy consumption that magnetizes is high.Directly high temperature superconducting materia to be magnetized can be placed in the end face of three-phase electricity coil windings in actual use, contact with high-temperature superconductor annular flux pump, or keep a segment distance with high-temperature superconductor annular flux pump.In addition, the principle producing magnetic field wave due to the utility model does not relate to mechanical movement, therefore in During Process of Long-term Operation, equipment not easily produces wearing and tearing, long perfomance life.Further, because the utility model adopts frequency converter to excite three-phase electricity coil windings to produce magnetic field, its magnetic field parameters index is easy to be controlled, there is stronger operability and automatic voltinism, user can control the output of frequency converter by computer programming, and then reaches the technique effect obtaining variety classes magnetic field.
Further, for meeting the utility model the magnetic field wave that three-phase electricity coil windings produces converged in the technology needs in described three-phase electricity coil winding terminal face, described magnetic circuit is made up of three hollow cylinders be coaxially set and the center pillar that is positioned at inner side hollow cylinder.In order to reach better magnetic conduction effect, three hollow cylinders and center pillar are made by magnetic conductive media.
Further, converge the technique effect in magnetic field for improving the utility model, three groups of coils of described three-phase electricity coil windings are wrapped in described center pillar respectively and comply with on the outer wall of first and second outside described hollow cylinder of described axis.
Further, for further strengthening the convenience of processing and fabricating magnetic circuit, three hollow cylinders and center pillar are made up of the magnetic conductive media of identical material.In addition, be conveniently fixedly connected with center pillar by three hollow cylinders, also can adopt and be arranged on same base disk by three hollow cylinders and the fastening of center pillar coaxial line, base disk also can adopt the magnetic conductive media identical with three hollow cylinders and center pillar to make.Further, also can be processed as one base disk and three hollow cylinders and center pillar formula structure, convenient make while additionally can also obtain the technique effect of poly-magnetic.
Further, for further improving the effect that magnetizes, the utility model is wound with DC coil on the outer wall being positioned at outermost described hollow cylinder, by DC coil reasons for its use magnetic field for the utility model reaches the technical support that the effect that magnetizes efficiently provides strong.Wherein, the size in DC coil institute's reasons for its use magnetic field is controlled by the output current of coupled single phase poaer supply.
Further, for solving the technical problem of coil electricity heating power consumption further, the utility model is by being set to superconducting coil to overcome the technological deficiency that in prior art, magnetizing equipment energy consumption is high by three-phase electricity coil and/or DC coil.
Further, for meeting the technical need that magnetizes of the high temperature superconducting materia of variety classes and profile, in described three-phase electricity coil windings wantonly two groups of coils impedance factor different, to produce the magnetize magnetic field suitable with high temperature superconducting materia profile, improve the operating efficiency of operation of magnetizing, reduce unnecessary magnetic energy consumption.During actual design, the coil width of three-phase electricity coil windings, height and arrangement mode all can need according to use and make corresponding adjustment, and the developed width between three groups of coils and relative altitude also can be different.Structural change of the present utility model is convenient, flexible, is suitable for the needs that magnetize of the high temperature superconducting materia meeting various profile.
Accompanying drawing explanation
By reading hereafter detailed description of the preferred embodiment, various other advantage and benefit will become cheer and bright for those of ordinary skill in the art.Accompanying drawing only for illustrating the object of preferred implementation, and is not thought restriction of the present utility model.In the accompanying drawings:
Fig. 1 is the sectional structure schematic diagram of high-temperature superconductor annular flux pump in the utility model embodiment 1;
Fig. 2 is the sectional structure schematic diagram of high-temperature superconductor annular flux pump in the utility model embodiment 2.
Embodiment
Below in conjunction with accompanying drawing and concrete execution mode, the utility model will be further described.
Embodiment 1:
Without loss of generality, as shown in Figure 1, the utility model provides a kind of high-temperature superconductor annular flux pump, comprising: the three-phase electricity coil windings 100 be coaxially set and the magnetic circuit 200 that the magnetic field wave that described three-phase electricity coil windings produces can be converged in described three-phase electricity coil winding terminal face.Only high temperature superconducting materia 400 need be placed in the upper end of high-temperature superconductor annular flux pump during use, and described three-phase electricity coil windings is connected with three phase converter.Can selecting sequence or backward connect as required during connection.
Further, as shown in Figure 1, in an optimal technical scheme of the present embodiment, described magnetic circuit 200 comprises: three hollow cylinders 220 be made up of magnetic conductive media and center pillar 230; Three described hollow cylinders 220 are all coaxially set; Gap between adjacent two described hollow cylinders 220 is suitable with the space of assembling needed for described three-phase electricity coil windings 100; Described center pillar 230 is cylindric, is positioned at the described hollow cylinder of inner side, and is coaxially set with the hollow cylinder being positioned at inner side; The internal diameter size of the diameter of described center pillar and the most inner coil of described three-phase electricity coil windings is suitable.For further facilitating, three hollow cylinders 220 and center pillar 230 being fixed, as shown in Figure 1, in the present embodiment, also preferably including base disk 210 further, and three hollow cylinders 220 and center pillar 230 are fastened and connected with it.Further, because the setting of base disk 210 also can obtain the technique effect of poly-magnetic further.
It should be noted that; base disk 210 is central inventive point of the present utility model not; it exists and is only the auxiliary technique effect realizing poly-magnetic, therefore in high-temperature superconductor annular flux pump described in the utility model, no matter whether arranges base disk all should fall into protection range of the present utility model.
Further, in an optimal technical scheme of the present embodiment, three groups of coils of described three-phase electricity coil windings are wrapped in described center pillar respectively and comply with on the outer wall of first and second outside described hollow cylinder of described axis.
Further, in an optimal technical scheme of the present embodiment, also comprise three phase converter, described three phase converter is connected with described three-phase electricity coil.Can selecting sequence connect or backward connection as required during connection.
Further, in an optimal technical scheme of the present embodiment, described three-phase electricity coil is superconducting coil, for after minimizing coil electricity, heating provides technical support, reduces energy consumption.
The utility model can reach by adopting said structure the technique effect magnetic field wave that described three-phase electricity coil windings produces being converged in described three-phase electricity coil winding terminal face.
The utility model is compared to the standing wave magnetic field produced by single phase winding magnet, the magnetic field wave produced by three-phase coil can more effective promotion flux quantum at high temperature superconducting materia internal motion, overcome superconductor inner magnet pressure and pining force to the obstruction of flux motion, effectively realize magnetizing of high temperature superconducting materia.The standing wave magnetic field that single phase winding magnet produces is evenly distributed at area of space, along with the increase of magnetic field intensity, magnetic flux strengthens in superconduction perimeter, magnetic pressure is caused between superconductor outside and inside, this magnetic pressure helps a large amount of flux quantums by overcoming the pining force of superconductor, magnetic flux is made to enter into superconductor inside, though the effective uneconomical practicality of this magnetization method.The travelling-magnetic-field that the present embodiment is produced by three-phase electricity coil windings at area of space skewness, thus causes the magnetic pressure in space uneven, produces large magnetic pressure poor in little area of space.And then the effect overcoming superconductor pining force for flux quantum provides strong technical support, does not need the magnetic field energy improving overall space that superconductor interior flux just can be impelled to move, and then reaches the technique effect magnetized.The utility model with adopt single phase winding magnet be high temperature superconducting materia magnetize unlike: the utility model adopts the new superconduction magnetic flux principle of dynamics being different from prior art, make magnetizing equipment lightness, practical more, there is high magnetize efficiency and the extremely low energy consumption that magnetizes.
Because the utility model have employed the principle that magnetizes of innovation, for magnetizer lightness, miniaturization provide strong technical support, do not need the coil magnet equipment that extra employing is large-scale, save the manufacture processing cost of magnetizing equipment, an overall dimensions order of magnitude less of large-scale coil magnet.Further, high-temperature superconductor annular flux pump described in the utility model does not need to adopt large power supply in use, the three phase converter adopting power relatively little is only needed to be three-phase electricity coil winding power, the high gradient annular magnetic field wave that three-phase electricity coil only needs the three-phase current of tens milliamperes to produce to magnetize required, the thermal energy consumption several order of magnitude less of large-scale single phase winding, has saved the electric cost of equipment.
During actual use, in order to reach the peripheral magnetic field that the better effect that magnetizes can apply in the periphery of above-mentioned high-temperature superconductor annular flux pump to be produced by DC power supply, match with the annular traveling wave magnetic field formed by three-phase electricity coil windings, to reach the technique effect efficiently magnetized.Only be required to be the DC coil applying peripheral magnetic field during plant running to add a little power single phase power supply and can reach required technique effect, economical and energy saving.
In addition, because the output of three phase converter and single phase poaer supply can be controlled by computer program, make the utility model have high can automated job handling.Further, because the utility model above-mentioned high-temperature superconductor annular magnetic flux pump has volume little, lightweight technical characterstic, also can be integrated in high-temperature superconductor system, conveniently magnetizes for operating high-order superconductor at any time.Just can carry out magnetizing that there is more outstanding technological merit after superconductor must being taken out from equipment compared to existing technology.Be applicable to the system that is integrated into as high temperature superconducting magnetic suspension system and high-temperature superconducting motor system etc.Further, the utility model above-mentioned high-temperature superconductor annular flux pump magnetizes different from massive coil magnet, does not need the loaded down with trivial details process that magnetizes and equipment to build operation, can operational readiness higher, and equipment does not have mechanical movement in running, wearing and tearing are few, have longer useful life.
It should be noted that, because the satisfied magnetic circuit that the magnetic field wave that described three-phase electricity coil windings produces can be converged in described three-phase electricity coil winding terminal face has various structures form, therefore the magnetic circuit of these different types of structure all should fall into protection range of the present utility model.In addition, due to the size restrictions of three-phase electricity coil windings, the edge of the high temperature superconducting materia be magnetized placed must not exceed the external diameter of three-phase electricity coil windings outermost layer coil.Preferably high temperature superconducting materia is placed in the region that annular traveling wave magnetic field covers, to obtain the best effect that magnetizes.Therefore to magnetize effect for obtaining the best, directly high temperature superconducting materia can be placed in the upper surface of three-phase electricity coil, or only keep very little spacing placement.
In addition, in the present embodiment, high temperature superconducting materia 400 can adopt existing various refrigeration modes to freeze, such as, high-temperature superconductor annular flux pump entirety is placed in the low-temperature insulation container (Dewar) of liquid nitrogen, cools; Or high temperature superconducting materia 400 is positioned in heat insulation layer, passes to liquid nitrogen or with refrigeration machine refrigeration, the high-temperature superconductor annular flux pump in the present embodiment be placed in the normal temperature environment outside heat insulation layer.
Further, for considering the convenience made, in an optimal technical scheme of the present utility model, described base disk, three hollow cylinders and center pillar are made up of the magnetic conductive media of identical material; Described base disk, three hollow cylinders and center pillar are integral type structure, for the manufacture of integral type simultaneous manufacturing provide convenient, be convenient to batch production.
In addition, high-temperature superconductor annular flux pump in the present embodiment is also applicable to magnetize to the superconductor be arranged in high-temperature superconductor system, only need supporting to be arranged in corresponding superconductive system, original superconductive system can be made to have magnetize and function that real-time magnetic field compensates.
Embodiment 2:
As shown in Figure 2, the present embodiment is wound with DC coil 300 on embodiment 1 basis on the outer wall being positioned at outermost described hollow cylinder.Strong technical support is provided for high-temperature superconductor annular flux pump self manufactures peripheral background magnetic field.Owing to fast and easy can magnetize and to describe in detail front behind the additional background magnetic field, annular traveling wave magnetic field that produces for three-phase electricity coil windings, therefore its technique effect does not repeat them here.
Further, in an optimal technical scheme of the present embodiment, also comprise single phase poaer supply, described DC coil is connected with described single phase poaer supply.Owing to relying on DC coil reasons for its use magnetic field to be only booster action, therefore only need configure a little power single phase power supply and can reach technique effect required for the utility model, energy-saving and cost-reducing.
Further, in an optimal technical scheme of the present embodiment, described DC coil can be superconducting coil, provides further structural support for further energy-saving and cost-reducing.
It should be noted that; being provided only of background magnetic field makes the technique effect that magnetizes of the present utility model better; therefore its applying has detachability; both produce after being incorporated into the DC coil energising on high-temperature superconductor annular flux pump during actual use; also directly can be provided by external environment, therefore no matter whether the high-temperature superconductor annular flux pump in the utility model arrange this structure and all should fall into protection range of the present utility model.
In addition, in order to make structure of the present utility model, there is further flexibility, in an optimal technical scheme of the present embodiment, in described three-phase electricity coil windings wantonly two groups of coils impedance factor different, magnetize with the high temperature superconducting materia being adapted to different profile, and produce dissimilar magnetic field.Therefore to form in three groups of coils of described three-phase electricity coil windings the number of turns of each group coil, height and width dimensions and all can make corresponding adjustment according to actual needs, these adjust after structure also should fall into protection range of the present utility model.
It should be noted, above-described embodiment is described the utility model instead of limits the utility model, and those skilled in the art can design alternative embodiment when not departing from the scope of claims.In the claims, any reference symbol between bracket should be configured to limitations on claims.Word " comprises " not to be got rid of existence and does not arrange element in the claims or step.Word first, second and third-class use do not represent any order, can be title by these word explanations.
Claims (9)
1. a high-temperature superconductor annular flux pump, is characterized in that, comprising: the three-phase electricity coil windings be coaxially set and the magnetic circuit that the magnetic field wave that described three-phase electricity coil windings produces can be converged in described three-phase electricity coil winding terminal face;
Described magnetic circuit comprises: three hollow cylinders be made up of magnetic conductive media and center pillar;
Three described hollow cylinders are all coaxially set; Gap between adjacent two described hollow cylinders is suitable with the space of assembling needed for described three-phase electricity coil windings;
Described center pillar is cylindric, is positioned at the hollow cylinder of inner side, and is coaxially set with the hollow cylinder being positioned at inner side; The internal diameter size of the diameter of described center pillar and the most inner coil of described three-phase electricity coil windings is suitable.
2. high-temperature superconductor annular flux pump according to claim 1, is characterized in that: three groups of coils of described three-phase electricity coil windings are wrapped in described center pillar respectively and comply with on the outer wall of first and second outside described hollow cylinder of described axis.
3. high-temperature superconductor annular flux pump according to claim 1, is characterized in that: three described hollow cylinders and center pillar are made up of the magnetic conductive media of identical material.
4. high-temperature superconductor according to claim 1 annular flux pump, is characterized in that: the outer wall being positioned at outermost described hollow cylinder is wound with DC coil.
5. high-temperature superconductor annular flux pump according to claim 4, it is characterized in that: also comprise single phase poaer supply, described DC coil is connected with described single phase poaer supply.
6. high-temperature superconductor annular flux pump according to claim 4, is characterized in that: described DC coil is superconducting coil.
7. high-temperature superconductor annular flux pump according to claim 1, it is characterized in that: also comprise three phase converter, described three phase converter is connected with described three-phase electricity coil.
8. high-temperature superconductor annular flux pump according to claim 1, is characterized in that: described three-phase electricity coil windings is superconducting coil.
9. high-temperature superconductor annular flux pump according to claim 1, is characterized in that: in described three-phase electricity coil windings, the impedance factor of wantonly two groups of coils is different.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520640823.0U CN205069261U (en) | 2015-08-24 | 2015-08-24 | High -temperature superconductor annular flux pump |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520640823.0U CN205069261U (en) | 2015-08-24 | 2015-08-24 | High -temperature superconductor annular flux pump |
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| Publication Number | Publication Date |
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| CN205069261U true CN205069261U (en) | 2016-03-02 |
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| CN201520640823.0U Active CN205069261U (en) | 2015-08-24 | 2015-08-24 | High -temperature superconductor annular flux pump |
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| CN (1) | CN205069261U (en) |
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- 2015-08-24 CN CN201520640823.0U patent/CN205069261U/en active Active
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