CN104660012B - Torque conducting structure of superconducting motor - Google Patents
Torque conducting structure of superconducting motor Download PDFInfo
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- CN104660012B CN104660012B CN201510094935.5A CN201510094935A CN104660012B CN 104660012 B CN104660012 B CN 104660012B CN 201510094935 A CN201510094935 A CN 201510094935A CN 104660012 B CN104660012 B CN 104660012B
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- conducting structure
- torque conducting
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- superconducting motor
- torque
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E40/00—Technologies for an efficient electrical power generation, transmission or distribution
- Y02E40/60—Superconducting electric elements or equipment; Power systems integrating superconducting elements or equipment
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Abstract
The invention discloses a torque conducting structure of a superconducting motor. The torque conducting structure is characterized in that the torque conducting structure is arranged between a low-temperature rotor and a normal-temperature motor shaft and adopts a cylindrical support type rigid structure, so that an extended heat conduction path is formed between the low-temperature rotor and the normal-temperature motor shaft. The multi-layer torque conducting structure can be matched with a beam structure through flanges for use, and holes are reasonably formed in a structure component to extend the heat conduction path, so that heat leakage of the torque conducting structure is remarkably reduced; a rotor system is supported in the low-temperature rotor, space between the rotor and a motor main shaft is sufficiently utilized, additional axial space cannot be occupied, and the axial length of the motor cannot be increased; the multi-layer torque conducting structure is flexible to process and is particularly applicable to low-temperature rotor support of a large superconducting motor.
Description
Technical field
The invention belongs to superconducting motor field, more particularly, to a kind of multilayer torque conducting structure of superconducting motor.
Background technology
Due to being limited by the conductor ampacities such as copper, aluminium or permanent magnetic material performance, its efficiency is difficult conventional motors
Further improve, motor volume also is difficult to further reduce.Superconducting motor has prominent advantage compared with conventional motors, surpasses
Lead tens or even the hundreds times of the current capacity for conventional conductor of magnet exciting coil so that superconducting motor has high power close
Degree is all less with the conventional motor phase specific volume of same power grade, weight；Additionally, due to the zero resistance nature of superconductor, make
The loss of superconducting motor is less, in hgher efficiency.At present superconducting motor technology is at home and abroad widely studied, and especially sends out in wind-force
Electrical domain, superconducting motor technology is likely to become the key technology for continuing to lift up fan capacity.
Superconducting motor excitation field is produced by the superconducting coil for being operated in low temperature, to maintain the low of superconducting coil normal work
Warm environment, it is necessary to be related to corresponding refrigeration system to take away the heat and the external world that produce inside when superconducting coil works to line
The leakage heat of circle；Simultaneously because superconducting coil must be connected by supporting construction with the motor shaft end of normal temperature, to bear gravity and work
The load such as electromagnetic torque when making, and the leakage heat of superconducting coil supporting construction is the pith of motor refrigeration system thermic load,
Therefore, appropriate design superconducting coil supporting construction is torque conducting structure, reduces its leakage heat, is to reduce refrigeration work consumption, improves electricity
The key of engine efficiency, while can also substantially reduce the difficulty of refrigerant system design, and then reduces the difficulty of whole low temperature rotor design
Degree.
The content of the invention
For the disadvantages described above or Improvement requirement of prior art, the invention provides a kind of multilayer torque of superconducting motor is passed
Guide structure, its object is to propose a kind of new multilayer torque conducting structure, thus solve complex rotor structure, manufacture difficulty
Greatly, amount of parts is more, is unfavorable for the technical problems such as the assembling of large-size machine.
For achieving the above object, according to one aspect of the present invention, there is provided a kind of torque conducting structure of superconducting motor,
Characterized in that, the torque conducting structure is arranged between superconduction low temperature rotor and normal temperature motor shaft, and it is cylindric propping up
Rack-like rigid structure, thus forms the heat conduction path of prolongation between the low temperature rotor and the normal temperature motor.
Further, the cylindric shelf-like rigid structure of the torque conducting structure includes girder construction and is connected to it
The annular flange structure at two ends；
The annular flange structure includes the flange ring being arranged of some different-diameters, and the girder construction includes some differences
The sub- girder construction being arranged of diameter, sub- girder construction includes respectively center ring, is circumferentially provided with thereon some along described two
The plate that end flanges ring extends, the other end of the plate is connected in the two ends annular flange structure.
Further, some through holes are offered on the center ring, if thus it is divided into into stem portion in radial direction,
The each section be both provided with it is some to the two ends annular flange structure extend plates, the plate radial direction it
Between there is the gap of the entire widths, also offer on the flange ring some corresponding with through hole on the center ring logical
Hole, is achieved in extending from motor normal temperature axle to the heat conduction path low temperature rotor, reduces leakage heat.
Further, groove vertically is further opened up on the plate, thus branch road quilt of the plate in axial direction
It is divided into several branch roads, further extends thermally conductive pathways.
Further, it is provided with tie-beam between the flange ring of the two ends annular flange structure.
Further, the torque conducting structure is using integration processing.
Further, the torque conducting structure processes respectively what is assembled again using the sub- girder construction with the flange ring
Mode makes.
Further, the torque conducting structure is made up of low temperature resistant, high intensity metal material or composite.
Further, the metal material is stainless steel or titanium alloy.
Further, the composite is glass fibre.
In general, by the contemplated above technical scheme of the present invention compared with prior art, can obtain down and show
Beneficial effect；
(1) used cooperatively with girder construction by flange, in structure member reasonable perforate to increase heat conduction path, so as to
It is substantially reduced the leakage heat of torque conducting structure；
(2) rotor-support-foundation system is supported from the inside of low temperature rotor, takes full advantage of the space between rotor and electrode main shaft, no
Extra axial space can be taken, the axial length of motor will not be increased, so as to reduce the volume and weight of motor；
(3) the multilayer torque conducting structure processing scheme flexibly, is particularly suited for the low temperature rotor of large-scale superconducting motor
Support.
Description of the drawings
Fig. 1 is the overall schematic of the multilayer torque conducting structure for superconducting motor realized according to the present invention；
Fig. 2 is that the detonation configuration of the multilayer torque conducting structure for superconducting motor realized according to the present invention is illustrated
Figure；
Fig. 3 is the annular flange ring structure of the multilayer torque conducting structure for superconducting motor realized according to the present invention
Exploded perspective view；
Fig. 4 is that the blast of the girder construction of the multilayer torque conducting structure for superconducting motor realized according to the present invention is illustrated
Figure；
Fig. 5 is the part heat conduction path of the multilayer torque conducting structure for superconducting motor realized according to the present invention
Schematic diagram；
Fig. 6 is that the multilayer torque conducting structure for superconducting motor realized according to the present invention is assemblied in superconducting motor
Structural representation.
In all of the figs, identical reference be used for represent identical element or structure, wherein：
1- girder constructions 2,3- annular flange structure 4- torque conducting structure 5- superconduction low temperature rotor 6- motor normal temperature axles
7- low temperature barriers
11st, 12- girder constructions 111,121- central ring plate 112,113,122,123- plates 1111,1112- center rings
Piece through hole
21st, 22,23,31,32,33- flange rings 211,212,221,222,231, the through hole that opens up on 232- flange rings.
Specific embodiment
In order that the objects, technical solutions and advantages of the present invention become more apparent, it is right below in conjunction with drawings and Examples
The present invention is further elaborated.It should be appreciated that specific embodiment described herein is only to explain the present invention, and
It is not used in the restriction present invention.As long as additionally, technical characteristic involved in invention described below each embodiment
Not constituting conflict each other just can be mutually combined.
Embodiment one
Torque conducting structure 4 for superconducting motor proposed by the present invention is using the material composition with certain endurance
Supporting structure, the overall structure of the supporting structure is cylindrical shape, and because the structure has a standoff structure, therefore support is answered
Miscellaneous loop can produce the prolongation of heat conduction path, thus reduce the hot effect of leakage to reach.The wherein concrete structure of embodiment one
It is as follows：
As shown in figs. 1-4, it includes girder construction 1 and is connected and fixed on the annular flange structure 2,3 at its two ends；
Annular flange structure 2,3 includes the flange ring 21,22,23, Liang Jie for radially covering system of some different-diameters
Structure 1 includes the sub- girder construction 11,12 of the set system of 2 different-diameters, and sub- girder construction 11,12 includes respectively central ring plate 111,121,
Circumferentially be provided with central ring plate 111 and central ring plate 121 it is some along two ends flange ring extend plate 112,113,
122nd, 123, the other end of plate 112,113 is connected and fixed in annular flange structure 2, the other end of plate 122,123
It is connected and fixed in annular flange structure 3.
Embodiment two
It is Lou hot to reduce in this way in order to further extend thermally conductive pathways, one kind is also proposed in the present embodiment
Further improved structure：
As Figure 1-4, the structure is mainly tied by the annular flange structure 2 vertical with armature spindle, 3, beam axially
Structure 1 is constituted.
Including the inner flange 21 that the outward flange 23 being connected with superconduction low temperature rotor 5 is connected with normal temperature motor shaft end 6,
And spacer flanger 22, the wherein diameter of flange 21,22,23 is different, it is possible thereby to diametrically set system, wherein as described in Figure 3,
The distribution on the circumference of flange ring 21,22,23 opens up through hole 211,212,221,222,231,232 etc..
Girder construction 1 is provided between annular flange structure 2 and annular flange structure 3, its center sill structure 1 includes Zi Liangjie
Structure 11,12, the diameter of two sub- girder constructions is different, it is possible thereby to make in radial direction set, as shown in figure 4, its neutron girder construction
11 include central ring plate 111, uniform on the circumference of central ring plate 111 in the embodiment two and unlike embodiment one
Through hole 1111,1112 of distribution etc. is opened up, central ring plate 111 divide in radial directions two parts by these through holes,
Plate 112,113 for extending to two ends annular flanges structure etc. is set on this part.Corresponding, as shown in figure 3, in method
Corresponding through hole is also opened up on blue ring 21,22,23, if also flange ring is being radially segmented into into stem portion, it is possible thereby to realize
The fixation of plate 112,113 etc..
The present invention utilizes girder construction, and the perforate in flange, and reasonable Arrangement flange is with the link position of beam so that hot biography
Guide passage path length, heat-conducting area is little, and thermal resistance is big.As shown in figure 5, for the heat transfer road in torque conducting structure involved in the present invention
Footpath, in this structure, heat flows into the inner side of inner flange 21 by the normal temperature shaft end 6 of motor, bypasses and flowed into after inner flange through hole
Central ring plate 111,121 between girder construction 1, girder construction 1 etc., heat finally flows into outward flange 23,33 etc., and bypasses outward flange
23 hole enters low temperature rotor 5；The torque conducting structure heat conduction path being so designed that is long, and leakage heat is little.Meanwhile, circumferentially
There are many sub- girder constructions so that internal load is evenly distributed；Annular flange structure makes whole torque conducting structure in circumferencial direction
With integrality, structure is set to bear the load of motor operation.
Embodiment three
Certainly, the present invention is arranged between low temperature rotor 5 and normal temperature motor shaft end 6 using the aerial construction of tubular, certainly,
The set-up mode that thermally conductive pathways extend is not limited to above-mentioned mode, in the present embodiment three, by the central ring plate of sub- girder construction
111st, the through hole in 121 is extended in radial direction, thus central ring plate is being divided into into two parts incessantly in radial direction, thus may be used
To extend the quantity of plate 112,113, while needs open up corresponding through hole and thus come on the flange of annular flange structure 2,3
Plate after fixed extension.
Example IV
Certainly, the present invention is arranged between low temperature rotor 5 and normal temperature motor shaft end 6 using the aerial construction of tubular, certainly,
The set-up mode that thermally conductive pathways extend is not limited to above-mentioned mode, in the present embodiment four
Further open up groove in axial direction on plate 112,113,122,123 to carry out the prolongation of thermally conductive pathways,
Thus branch road of the plate in axial direction can be divided into several branch roads again, in a word, can extend thermally conductive pathways, reduce leakage heat,
Concrete details scheme will not be described here.
The preparation method of the torque conducting structure in the present invention：
The present invention relates to the torque conducting structure of superconducting motor using integration processing, or can be divided into each part processing so
After assemble.When using each assembling parts, can be with bolts, welding, bonding, bonded, pin between each part
The connected modes such as connection.The perforate after adding man-hour annular flange structure 2,3 to adopt overall processing；Or divide annular flange
Into several flange rings, there is radial clearance between flange ring, connected two flanges with multiple circumferential radial girders
Get up.The torque conducting structure of superconducting motor makes material from low temperature resistant, high intensity metal material or composite as it
Material, metal material can be titanium alloy, stainless steel and various high strength alloy steels etc., and it can be fiberglass, carbon to meet material
Fibrous composite etc..
Certainly, as shown in fig. 6, the torque conducting structure 4 that the present invention is adopted is arranged at superconduction low temperature rotor 5 and normal temperature motor
Between axle 6, certainly, thermally conductive pathways extend set-up mode be not limited to above-mentioned mode, in a word, by the way of support
Extend thermally conductive pathways in low temperature barrier 7, reduce leakage heat, concrete details scheme will not be described here.
In a word, according to the multilayer torque conducting structure of the present invention, compared with prior art, mainly there is following technological merit：
Flange is used cooperatively with beam in the torque conducting structure, and the perforate in flange so that total thermally conductive pathways are long,
Leakage heat by temperature end to low temperature rotor is little；The torque conducting structure supports rotor from superconducting motor rotor inner side, fully profit
With the space between motor ring-shaped rotor and main shaft, the axial length of motor will not be increased, reduce the volume of superconducting motor
And weight, for large-scale superconducting motor, this structure has significant advantage；The torque conducting structure is being extended using girder construction
While thermally conductive pathways, reduction materials'use amount, and ensure total circumference integrality using annular flange so as to Neng Goucheng
Load when being worked by motor；The structure can be combined by multiple flanges, girder construction, and each design of part is simple, and easy processing is whole
Individual Standard flexibly, is highly suitable for large-scale superconducting motor.
As it will be easily appreciated by one skilled in the art that the foregoing is only presently preferred embodiments of the present invention, not to
The present invention, all any modification, equivalent and improvement made within the spirit and principles in the present invention etc. are limited, all should be included
Within protection scope of the present invention.
Claims (9)
1. the torque conducting structure of a kind of superconducting motor, it is characterised in that the torque conducting structure (4) is arranged at superconduction low temperature and turns
Between sub (5) and normal temperature motor shaft (6), and it is cylindric shelf-like rigid structure, thus in the low temperature rotor and institute
State the heat conduction path that prolongation is formed between normal temperature motor shaft；The cylindric shelf-like of the torque conducting structure (4) is rigidly tied
Structure include girder construction (1) and be connected to its two ends annular flange structure (2,3)；
The annular flange structure (2,3) including some different-diameters be arranged flange ring (21,22,23,31,32,33), institute
State girder construction (1) including some different-diameters be arranged sub- girder construction (11,12), sub- girder construction (11, in 12) including respectively
Thimble (111,121), be circumferentially provided with thereon it is some to the flange ring extend plate (112,113,122,
123), the other end of the plate be connected to the two ends annular flange structure (2,3) on.
2. the torque conducting structure of superconducting motor as claimed in claim 1, it is characterised in that and the center ring (111,121)
On offer some through holes, if thus it is divided into into stem portion in radial direction, each of which part is both provided with some edges
(2, there are the entire widths in the 3) plate for extending, the plate to the two ends annular flange structure between radial direction
Gap, the flange ring (21,22,23,31,32,33) on also offer it is some with the center ring (111,121) on through hole pair
The through hole answered, is achieved in extending from motor normal temperature axle to the heat conduction path low temperature rotor, reduces leakage heat.
3. the torque conducting structure of superconducting motor as claimed in claim 2, it is characterised in that further open up on the plate
Groove vertically, thus the plate axial direction branch road be divided into several branch roads, further extend thermally conductive pathways.
4. the torque conducting structure of the superconducting motor as described in any one in claim 1-3, it is characterised in that the two ends
Annular flange structure (2, flange ring 3) (21,22,23,31,32,33) between be provided with tie-beam.
5. the torque conducting structure of superconducting motor as claimed in claim 4, it is characterised in that the torque conducting structure (4)
Using integration processing.
6. the torque conducting structure of superconducting motor as described in claim 5, it is characterised in that the torque conducting structure
(4) using the sub- girder construction (11,12) with the flange ring (21,22,23,31,32, the mode for assembling again 33) is processed respectively
Make.
7. the torque conducting structure of superconducting motor as claimed in claim 6, it is characterised in that the torque conducting structure (4)
It is made up of low temperature resistant, high intensity metal material or composite.
8. the torque conducting structure of superconducting motor as claimed in claim 7, it is characterised in that the metal material is stainless steel
Or titanium alloy.
9. the torque conducting structure of superconducting motor as claimed in claim 8, it is characterised in that the composite is glass fibers
Dimension.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510094935.5A CN104660012B (en) | 2015-03-03 | 2015-03-03 | Torque conducting structure of superconducting motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510094935.5A CN104660012B (en) | 2015-03-03 | 2015-03-03 | Torque conducting structure of superconducting motor |
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| Publication Number | Publication Date |
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| CN104660012A CN104660012A (en) | 2015-05-27 |
| CN104660012B true CN104660012B (en) | 2017-05-10 |
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102118099A (en) * | 2011-02-12 | 2011-07-06 | 中国船舶重工集团公司第七一二研究所 | Superconducting motor with torque tubes |
| CN103825427A (en) * | 2014-03-13 | 2014-05-28 | 华中科技大学 | Torque conducting structure for superconducting motor |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101273642B1 (en) * | 2012-03-07 | 2013-06-17 | 현대중공업 주식회사 | Conduction cooling type superconducting rotator |
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2015
- 2015-03-03 CN CN201510094935.5A patent/CN104660012B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102118099A (en) * | 2011-02-12 | 2011-07-06 | 中国船舶重工集团公司第七一二研究所 | Superconducting motor with torque tubes |
| CN103825427A (en) * | 2014-03-13 | 2014-05-28 | 华中科技大学 | Torque conducting structure for superconducting motor |
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| CN104660012A (en) | 2015-05-27 |
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