CN101272085A - Shaft radial flux full-superconducting synchronous motor - Google Patents
Shaft radial flux full-superconducting synchronous motor Download PDFInfo
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- CN101272085A CN101272085A CNA2008100645237A CN200810064523A CN101272085A CN 101272085 A CN101272085 A CN 101272085A CN A2008100645237 A CNA2008100645237 A CN A2008100645237A CN 200810064523 A CN200810064523 A CN 200810064523A CN 101272085 A CN101272085 A CN 101272085A
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Abstract
A shaft radial magnetic flux fully superconducting synchronous motor relates to the field of motor which solves defects of a complex structure, a hard manufacture and lower reliability of a current motor. The magnetic conductive ring of the stator of the motor is an annular structure, wherein the middle of the annular structure is provided with an annular slot; an annular superconducting DC field copper component is embedded in the magnetic conductive ring; magnetic conductive yokes are 2p sector bodies with same shapes and sizes; the N poles and the S poles of the magnetic conductive yokes are arranged alternatively along the direction of the circle; magnetic conductive end rings are four cirque bodies; the inner diameters of the N pole magnetic conductive end rings of the magnetic conductive end rings are larger than the outer diameters of the S pole magnetic conductive end rings; the N pole magnetic conductive end rings and the S pole magnetic conductive end rings are respectively connected with the side surfaces of the sectors of the N pole magnetic conductive yokes and the S pole magnetic conductive yokes; air gaps are arranged between the N pole magnetic conductive end rings and the S pole magnetic conductive end rings oppositely. The motor of the invention has the advantages of a simple structure and without rotating superconducting pats, thereby simplifying the structure of the motor and guaranteeing a low temperature cooling system.
Description
Technical field:
The present invention relates to machine field, be specifically related to a kind of axial radial flux synchronous machine.
Background technology
Along with the development of hts tape, the superconducting power technology will be brought extremely far-reaching influence to the progress of expanding economy and society.Superconducting motor has the power density height, the unit power-carrying is big, efficient is high, volume is little, in light weight, advantage such as noise is little.But the design of traditional superconducting motor is imitateed conventional synchronous machine, adopts the direct supercurrent excitation winding on its rotor, and the rotor inner core has the cooling media slots, is superconduction winding and support tube thereof, radiant heat shielding cylinder and damping tube then.Adopt " air-core " copper winding on the stator, rotating shaft adopts the quill shaft structure to provide circulation path for refrigerant.This design has been brought the rotary seal of low-temperature (low temperature) vessel, the problem of cold shrinkage-compensating of axle, has also increased the complexity of electric machine structure simultaneously, is difficult to make, and has reduced the reliability of system again.
Summary of the invention
The present invention is for the problem of the cold shrinkage-compensating of the rotary seal of the low-temperature (low temperature) vessel that solves existing super conduction synchronous electric motor and exist, axle, and the complexity of electric machine structure, be difficult to make, reduced the shortcoming of the reliability of system again, and a kind of shaft radial flux full-superconducting synchronous motor is provided.
Shaft radial flux full-superconducting synchronous motor of the present invention is made up of stator, rotor; It is characterized in that stator is made up of casing, armature core, superconductive armature winding assembly, end cap, magnetic guiding loop and direct supercurrent excitation winding assembly; Magnetic guiding loop is the middle circulus that has cannelure, and magnetic guiding loop is installed in the axial location of end cap, and the direct supercurrent excitation winding assembly of annular embeds in the cannelure of magnetic guiding loop; Armature core and superconductive armature winding assembly are fixed on the inner surface of casing; Rotor is made up of conductive magnetic yoke, magnetic conduction end ring and rotating shaft; Conductive magnetic yoke is 2p the identical segment of shape size, and conductive magnetic yoke is made up of p N utmost point conductive magnetic yoke and p S utmost point conductive magnetic yoke, and the N utmost point conductive magnetic yoke of conductive magnetic yoke and S utmost point conductive magnetic yoke are along the circumferential direction evenly alternately arranged; The magnetic conduction end ring is four torus, and the magnetic conduction end ring is made up of two N utmost point magnetic conduction end ring and two S utmost point magnetic conduction end ring; The internal diameter of N utmost point magnetic conduction end ring is greater than the external diameter of S utmost point magnetic conduction end ring; The fan-shaped side of one side of p N utmost point conductive magnetic yoke links to each other with an annular side of a N utmost point magnetic conduction end ring, and the fan-shaped side of opposite side of p N utmost point conductive magnetic yoke links to each other with an annular side of another N utmost point magnetic conduction end ring; The fan-shaped side of one side of p S utmost point conductive magnetic yoke links to each other with an annular side of a S utmost point magnetic conduction end ring, and the fan-shaped side of opposite side of p S utmost point conductive magnetic yoke links to each other with an annular side of another S utmost point magnetic conduction end ring; The inner bottom surface of conductive magnetic yoke is set on the outer surface of rotating shaft; Another annular side of N utmost point magnetic conduction end ring is relative with the outer shroud side of the ring slot outside of magnetic guiding loop, and another annular side of S utmost point magnetic conduction end ring is relative with the interior ring side of the ring slot outside of magnetic guiding loop, and axial air-gap Φ is arranged between magnetic conduction end ring and the magnetic guiding loop.
The armature winding and the excitation winding of the shaft radial flux full-superconducting synchronous motor that the present invention proposes all adopt high temperature superconducting materia, and superconductive element does not rotate, thereby the structure and the cryogenic refrigerating system of motor have been simplified, so can overcome the shortcoming of traditional superconducting motor well, and reduced the winding copper loss, improved electric loading, power density and the efficient of motor; The superconduction winding part that need cool off all on stator, has been eliminated rotary seal, brush and the slip-ring device of low-temperature (low temperature) vessel, has simplified the structure and the low-temperature cooling system of motor, has improved the reliability of system; The main magnetic circuit of rotor all adopts iron core.When the rotor of motor adopts structure shown in Figure 1, the DC excitation magnetic potential is introduced rotor by magnetic guiding loop, axial air-gap and magnetic conduction end ring, set up DC excitation magnetic field radially in air gap, this magnetic field and armature winding Interaction Law of Electric Current will produce electromagnetic torque.Regulate the size of direct current, then can control the degree that air-gap field strengthens or weakens.The noise of motor is low, leakage field is little; Though motor internal is a utmost point low temperature, and the motor surface is a normal temperature, so the field of employment is unrestricted.In fields such as watercraft electric propulsion system, electric locomotive traction, wind power generation, large scale industry rolling mills, be with a wide range of applications.
Description of drawings
Fig. 1 is a sectional side elevation of the present invention; Fig. 2 is end cap and magnetic guiding loop structural representation; Fig. 3 is the cross section view of magnetic guiding loop 1-5; Fig. 4 is the longitudinal sectional view of magnetic guiding loop 1-5; Fig. 5 is the A portion enlarged drawing of Fig. 4; Fig. 6 is the rotor structure schematic diagram of shaft radial flux full-superconducting synchronous motor; Fig. 7 is that the rotor structure of shaft radial flux full-superconducting synchronous motor is formed mode figure; Fig. 8 is superconductive armature winding 1-3-1 and armature winding support frame 1-3-3 structural representation; Fig. 9 is the structural representation of armature core 1-2; Figure 10 is the B-B cutaway view of Fig. 9.
Embodiment
Embodiment one: as Fig. 1～shown in Figure 10, present embodiment is made up of stator, rotor; It is characterized in that stator is made up of casing 1-1, armature core 1-2, superconductive armature winding assembly 1-3, end cap 1-4, magnetic guiding loop 1-5 and direct supercurrent excitation winding assembly 1-6; Magnetic guiding loop 1-5 is the middle circulus that has cannelure 1-5-1, and magnetic guiding loop 1-5 is installed in the axial location of end cap 1-4, and the direct supercurrent excitation winding assembly 1-6 of annular embeds in the cannelure 1-5-1 of magnetic guiding loop 1-5; Armature core 1-2 and superconductive armature winding assembly 1-3 are fixed on the inner surface of casing 1-1; Rotor is made up of conductive magnetic yoke, magnetic conduction end ring and rotating shaft 2-6; Conductive magnetic yoke is 2p the identical segment of shape size, and conductive magnetic yoke is made up of p N utmost point conductive magnetic yoke 2-2 and p S utmost point conductive magnetic yoke 2-3, and the N utmost point conductive magnetic yoke 2-2 of conductive magnetic yoke and S utmost point conductive magnetic yoke 2-3 along the circumferential direction evenly alternately arrange; The magnetic conduction end ring is four torus, and the magnetic conduction end ring is made up of two N utmost point magnetic conduction end ring 2-4 and two S utmost point magnetic conduction end ring 2-5; The internal diameter of N utmost point magnetic conduction end ring 2-4 is greater than the external diameter of S utmost point magnetic conduction end ring 2-5; The fan-shaped side of a side of p N utmost point conductive magnetic yoke 2-2 links to each other with the annular side of a N utmost point magnetic conduction end ring 2-4, and the fan-shaped side of opposite side of p N utmost point conductive magnetic yoke 2-2 links to each other with the annular side of another N utmost point magnetic conduction end ring 2-4; The fan-shaped side of a side of p S utmost point conductive magnetic yoke 2-3 links to each other with the annular side of a S utmost point magnetic conduction end ring 2-5, and the fan-shaped side of opposite side of p S utmost point conductive magnetic yoke 2-3 links to each other with the annular side of another S utmost point magnetic conduction end ring 2-5; The inner bottom surface of conductive magnetic yoke is set on the outer surface of rotating shaft 2-6; Another annular side of N utmost point magnetic conduction end ring 2-4 is relative with the outer shroud side 1-5-2 in the cannelure 1-5-1 of the magnetic guiding loop 1-5 outside, another annular side of S utmost point magnetic conduction end ring 2-5 is relative with the interior ring side 1-5-3 in the cannelure 1-5-1 of the magnetic guiding loop 1-5 outside, between magnetic conduction end ring and the magnetic guiding loop 1-5 axial air-gap Φ is arranged.
When end cap 1-4 is permeability magnetic material, magnetic guiding loop 1-5 one processing shaft position in the inboard of end cap 1-4, the internal diameter of magnetic guiding loop 1-5 is identical with the shaft hole diameter of end cap 1-4.When end cap 1-4 is nonmagnetic substance, have on the axis of end cap 1-4 to the inboard looping pit shoulder 1-8 that extends of end cap, magnetic guiding loop 1-5 is installed in the looping pit of end cap 1-4 and takes on the external diameter side of 1-8.
Rotor N utmost point conductive magnetic yoke 2-2, S utmost point conductive magnetic yoke 2-3 and magnetic guiding loop 1-5 adopt the high permeability magnetic material of magnetic permeability.Rotating shaft 2-6 adopts non-magnet material.
Embodiment two: as Fig. 8～shown in Figure 10, present embodiment and embodiment one difference are that superconductive armature winding assembly 1-3 is made up of superconductive armature winding 1-3-1, armature winding low temperature cask flask 1-3-2 and armature winding support frame 1-3-3; The coil of superconductive armature winding 1-3-1 is wrapped on the armature winding support frame 1-3-3 for runway shape, the coil of superconductive armature winding 1-3-1 and armature winding support frame 1-3-3 are installed in the inside of armature winding low temperature cask flask 1-3-2, and superconductive armature winding assembly 1-3 is sleeved on the tooth of armature core 1-2.Other composition is identical with embodiment one with connected mode.Two effective edges of the coil of superconductive armature winding 1-3-1 are equivalent to embed in two adjacent core slots.
Embodiment three: present embodiment and embodiment two differences are that superconductive armature winding 1-3-1 adopts fractional-slot to concentrate winding.Other composition is identical with embodiment two with connected mode.
Embodiment four: as Fig. 2～shown in Figure 5, present embodiment and embodiment two differences are that direct supercurrent excitation winding assembly 1-6 is made up of direct supercurrent excitation winding 1-6-1, excitation winding low temperature cask flask 1-6-2 and excitation winding support frame 1-6-3; Excitation winding support frame 1-6-3 is an annular, the coil of direct supercurrent excitation winding 1-6-1 is on excitation winding support frame 1-6-3, and the coil of direct supercurrent excitation winding 1-6-1 and excitation winding support frame 1-6-3 are installed in the inside of excitation winding low temperature cask flask 1-6-2.Other composition is identical with embodiment two with connected mode.
Embodiment five: present embodiment and embodiment four differences are that the coil of superconductive armature winding 1-3-1 and the coil of direct supercurrent excitation winding 1-6-1 all adopt the superconducting wire coiled.Other composition is identical with embodiment four with connected mode.
Embodiment six: present embodiment and embodiment four differences are that armature winding low temperature cask flask 1-3-2, armature winding support frame 1-3-3, excitation winding low temperature cask flask 1-6-2 and excitation winding support frame 1-6-3 adopt nonmagnetic substance.Other composition is identical with embodiment four with connected mode.
Claims (10)
1, a kind of shaft radial flux full-superconducting synchronous motor, it is made up of stator, rotor; It is characterized in that stator is made up of casing (1-1), armature core (1-2), superconductive armature winding assembly (1-3), end cap (1-4), magnetic guiding loop (1-5) and direct supercurrent excitation winding assembly (1-6); Magnetic guiding loop (1-5) has the circulus of cannelure (1-5-1) for the centre, and magnetic guiding loop (1-5) is installed in the axial location of end cap (1-4), and the direct supercurrent excitation winding assembly (1-6) of annular embeds in the cannelure (1-5-1) of magnetic guiding loop (1-5); Armature core (1-2) is fixed on the inner surface of casing (1-1) with superconductive armature winding assembly (1-3); Rotor is made up of conductive magnetic yoke, magnetic conduction end ring and rotating shaft (2-6); Conductive magnetic yoke is 2p the identical segment of shape size, and conductive magnetic yoke is made up of p N utmost point conductive magnetic yoke (2-2) and p S utmost point conductive magnetic yoke (2-3), and the N utmost point conductive magnetic yoke (2-2) of conductive magnetic yoke and S utmost point conductive magnetic yoke (2-3) are along the circumferential direction evenly alternately arranged; The magnetic conduction end ring is four torus, and the magnetic conduction end ring is made up of two N utmost point magnetic conduction end ring (2-4) and two S utmost point magnetic conduction end ring (2-5); The internal diameter of N utmost point magnetic conduction end ring (2-4) is greater than the external diameter of S utmost point magnetic conduction end ring (2-5); The fan-shaped side of one side of p N utmost point conductive magnetic yoke (2-2) links to each other with an annular side of a N utmost point magnetic conduction end ring (2-4), and the fan-shaped side of opposite side of p N utmost point conductive magnetic yoke (2-2) links to each other with an annular side of another N utmost point magnetic conduction end ring (2-4); The fan-shaped side of one side of p S utmost point conductive magnetic yoke (2-3) links to each other with an annular side of a S utmost point magnetic conduction end ring (2-5), and the fan-shaped side of opposite side of p S utmost point conductive magnetic yoke (2-3) links to each other with an annular side of another S utmost point magnetic conduction end ring (2-5); The inner bottom surface of conductive magnetic yoke is set on the outer surface of rotating shaft (2-6); Another annular side of N utmost point magnetic conduction end ring (2-4) is relative with the outer shroud side (1-5-2) in cannelure (1-5-1) outside of magnetic guiding loop (1-5), another annular side of S utmost point magnetic conduction end ring (2-5) is relative with the interior ring side (1-5-3) in cannelure (1-5-1) outside of magnetic guiding loop (1-5), between magnetic conduction end ring and the magnetic guiding loop (1-5) axial air-gap Φ is arranged.
2, shaft radial flux full-superconducting synchronous motor according to claim 1 is characterized in that superconductive armature winding assembly (1-3) is made up of superconductive armature winding (1-3-1), armature winding low temperature cask flask (1-3-2) and armature winding support frame (1-3-3); The coil of superconductive armature winding (1-3-1) is wrapped on the armature winding support frame (1-3-3) for runway shape, the coil of superconductive armature winding (1-3-1) and armature winding support frame (1-3-3) are installed in the inside of armature winding low temperature cask flask (1-3-2), and superconductive armature winding assembly (1-3) is sleeved on the tooth of armature core (1-2).
3, shaft radial flux full-superconducting synchronous motor according to claim 2 is characterized in that superconductive armature winding (1-3-1) adopts fractional-slot to concentrate winding.
4, shaft radial flux full-superconducting synchronous motor according to claim 2 is characterized in that direct supercurrent excitation winding assembly (1-6) is made up of direct supercurrent excitation winding (1-6-1), excitation winding low temperature cask flask (1-6-2) and excitation winding support frame (1-6-3); Excitation winding support frame (1-6-3) is an annular, the coil of direct supercurrent excitation winding (1-6-1) is on excitation winding support frame (1-6-3), and the coil of direct supercurrent excitation winding (1-6-1) and excitation winding support frame (1-6-3) are installed in the inside of excitation winding low temperature cask flask (1-6-2).
5, shaft radial flux full-superconducting synchronous motor according to claim 4 is characterized in that the coil of superconductive armature winding (1-3-1) and the coil of direct supercurrent excitation winding (1-6-1) all adopt the superconducting wire coiled.
6, shaft radial flux full-superconducting synchronous motor according to claim 4 is characterized in that armature winding low temperature cask flask (1-3-2), armature winding support frame (1-3-3), excitation winding low temperature cask flask (1-6-2) and excitation winding support frame (1-6-3) all adopt nonmagnetic substance.
7, shaft radial flux full-superconducting synchronous motor according to claim 1 is characterized in that rotor N utmost point conductive magnetic yoke (2-2), S utmost point conductive magnetic yoke (2-3) and magnetic guiding loop (1-5) adopt the high permeability magnetic material of magnetic permeability.
8, shaft radial flux full-superconducting synchronous motor according to claim 1 is characterized in that rotating shaft (2-6) employing non-magnet material.
9, shaft radial flux full-superconducting synchronous motor according to claim 1, it is characterized in that end cap (1-4) is a permeability magnetic material, magnetic guiding loop (1-5) one processing shaft position in the inboard of end cap (1-4), the internal diameter of magnetic guiding loop (1-5) is identical with the shaft hole diameter of end cap (1-4).
10, shaft radial flux full-superconducting synchronous motor according to claim 1, it is characterized in that end cap (1-4) is a nonmagnetic substance, have on the axis of end cap (1-4) to the inboard looping pit shoulder (1-8) that extends of end cap, magnetic guiding loop (1-5) is installed in the looping pit of end cap (1-4) and takes on the external diameter side of (1-8).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810064523A CN100583609C (en) | 2008-05-16 | 2008-05-16 | Shaft radial flux full-superconducting synchronous motor |
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| Application Number | Priority Date | Filing Date | Title |
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| CN200810064523A CN100583609C (en) | 2008-05-16 | 2008-05-16 | Shaft radial flux full-superconducting synchronous motor |
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| CN101272085A true CN101272085A (en) | 2008-09-24 |
| CN100583609C CN100583609C (en) | 2010-01-20 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105634247A (en) * | 2016-01-26 | 2016-06-01 | 中国石油大学(华东) | Six-phase static sealing high-temperature superconducting motor |
| CN107124083A (en) * | 2017-04-28 | 2017-09-01 | 南京航空航天大学 | Axial magnetic circuit tandem type both-end excitation electromotor |
| CN107623420A (en) * | 2017-10-18 | 2018-01-23 | 中国石油大学(华东) | A kind of static sealing quenches high-temperature superconducting motor from prevention |
| CN108418368A (en) * | 2018-04-13 | 2018-08-17 | 山东大学 | A kind of birotor composite excitation permanent magnet synchronous motor for electric vehicle and its method |
-
2008
- 2008-05-16 CN CN200810064523A patent/CN100583609C/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105634247A (en) * | 2016-01-26 | 2016-06-01 | 中国石油大学(华东) | Six-phase static sealing high-temperature superconducting motor |
| CN107124083A (en) * | 2017-04-28 | 2017-09-01 | 南京航空航天大学 | Axial magnetic circuit tandem type both-end excitation electromotor |
| CN107124083B (en) * | 2017-04-28 | 2020-02-21 | 南京航空航天大学 | Axial magnetic circuit series type double-end excitation motor |
| CN107623420A (en) * | 2017-10-18 | 2018-01-23 | 中国石油大学(华东) | A kind of static sealing quenches high-temperature superconducting motor from prevention |
| CN107623420B (en) * | 2017-10-18 | 2019-11-29 | 中国石油大学(华东) | A kind of static sealing quenches high-temperature superconducting motor from prevention |
| CN108418368A (en) * | 2018-04-13 | 2018-08-17 | 山东大学 | A kind of birotor composite excitation permanent magnet synchronous motor for electric vehicle and its method |
| CN108418368B (en) * | 2018-04-13 | 2023-12-29 | 山东大学 | Double-rotor hybrid excitation permanent magnet synchronous motor and method thereof |
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| Publication number | Publication date |
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| CN100583609C (en) | 2010-01-20 |
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