CN101262169A - Axial magnetic pass electromagnetic deceleration high-temperature superconductive electromotor - Google Patents
Axial magnetic pass electromagnetic deceleration high-temperature superconductive electromotor Download PDFInfo
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- CN101262169A CN101262169A CNA2008100643937A CN200810064393A CN101262169A CN 101262169 A CN101262169 A CN 101262169A CN A2008100643937 A CNA2008100643937 A CN A2008100643937A CN 200810064393 A CN200810064393 A CN 200810064393A CN 101262169 A CN101262169 A CN 101262169A
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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 relates to a superconductive motor, in particular to an axial flux electromagnetic decelerating-typed high temperature superconductive motor and aims at solving the problems of low-temperature rotation container sealing and cold shrinking compensation of rotary shaft existing in the superconductive motor structure. The axial flux electromagnetic decelerating-typed high temperature superconductive motor comprises a rotary shaft of the motor, a shell, two DC excitation discs with a same structure, an inductor rotor disc and an armature disc which have the same structure, wherein, the central axis of the DC excitation discs, inductor rotor disc and the armature disc are the same axis with the rotary shaft of the motor, the two inductor rotor discs are symmetric to the armature disc and respectively arranged at the right end and the left end of the armature disc, and the two DC excitation discs are symmetric to the armature disc and respectively arranged at the outer end surfaces of the two inductor rotor discs; the two inductor rotor discs are respectively and fixedly connected with the rotary shaft of the motor and the two DC excitation discs and the armature disc are rotatablely connected with the rotary shaft of the motor through a bearing; the two DC excitation discs, the two inductor rotor discs and the armature disc are all arranged inside the shell. The axial flux electromagnetic decelerating-typed high temperature superconductive motor has the beneficial effects that the superconductive part does not rotate, thereby simplifying the motor structure and a low temperature cooling system and improving the reliability.
Description
Technical field
The present invention relates to a kind of high-temperature superconductive electromotor, be specifically related to a kind of axial flux high-temperature superconducting motor.
Background technology
Development along with the hts tape technology, the superconducting power technology is also brought extremely far-reaching influence for the progress of expanding economy and society, cryomotor with its energy density height, the unit power-carrying is big, efficient is high, size is little, lightweight advantage is widely used in fields such as naval vessel electric propulsion system, electric locomotive traction, the naval vessel electric propulsion system of being made up of high-temperature superconductive electromotor has that motive force is big, power consumption is low, the speed of a ship or plane is high, noise is little, simple in structure, easy to maintenance, pollution-free, advantage such as cost is low.But the design of traditional cryomotor is generally all imitateed the structure of conventional synchronous motor, and its rotor adopts the direct supercurrent excitation winding, and stator adopts the copper winding, and rotating shaft adopts the quill shaft structure to provide circulation path for cold-producing medium.But this design has been brought the sealing of low temperature rotary container, the problems such as cold shrinkage-compensating of rotating shaft, has increased the complexity of electric machine structure, is difficult to make, and has reduced the reliability of system simultaneously again.
Summary of the invention
The present invention is for the problem of the cold shrinkage-compensating of the sealing of the low temperature rotary container that solves existing cryomotor structure and bring, rotating shaft, and a kind of axial magnetic pass electromagnetic deceleration high-temperature superconductive electromotor that proposes.
Axial magnetic pass electromagnetic deceleration high-temperature superconductive electromotor, it comprises machine shaft, casing, the first DC excitation dish, the first inductor rotor disk, armature disc, the second DC excitation dish identical with the first DC excitation dish structure and the second inductor rotor disk identical with the first inductor rotor disk structure; The central axis of the first DC excitation dish, the first inductor rotor disk, armature disc, the second DC excitation dish, the second inductor rotor disk and the central axis of machine shaft are positioned on the same axial line; The first inductor rotor disk and the second inductor rotor disk are about armature disc symmetry and be installed on the left and right sides end face of armature disc, the first DC excitation dish and the second DC excitation dish about the armature disc symmetry and be installed in the left side of the first inductor rotor disk respectively and the right side of the second inductor rotor disk on; The first inductor rotor disk is fixedlyed connected with machine shaft respectively with the second inductor rotor disk, and the first DC excitation dish, the second DC excitation dish and armature disc are rotationally connected by bearing and machine shaft respectively; The first DC excitation dish, the first inductor rotor disk, armature disc, the second DC excitation dish and the second inductor rotor disk are installed in casing inside.
Beneficial effect of the present invention: its armature of axial flux high-temperature superconducting motor and DC excitation part based on the electromagnetic deceleration principle that the present invention proposes all adopt high temperature superconducting materia, reduced loss, and superconductive part is not rotated, simplify the structure and the low-temperature cooling system of motor, improved the reliability of system; Adopt liquid nitrogen as refrigerant, reduced the operating cost of motor, improved the practicality of system, widened the scope of application of motor, made motor can be widely used in fields such as pod propulsion electric propulsion system, electric locomotive traction, wind power generation, large scale industry steel rolling.
Description of drawings
Fig. 1 is a longitudinal section of the present invention; Fig. 2 is the structural representation of DC excitation dish; Fig. 3 is the structural representation of inductor rotor disk; Fig. 4 is the structural representation of armature disc; Fig. 5 is the longitudinal section of armature disc.
Embodiment
Embodiment one: in conjunction with Fig. 1 present embodiment is described, it comprises machine shaft 6 and casing 7, the first DC excitation dish 1, the first inductor rotor disk 2, armature disc 3, the second DC excitation dish 5 identical with the first DC excitation dish, 1 structure and the second inductor rotor disk 4 identical with the first inductor rotor disk, 2 structures; The first DC excitation dish 1, the first inductor rotor disk 2, armature disc 3, the second DC excitation dish 5, the central axis of the second inductor rotor disk 4 and the central axis of machine shaft 6 are positioned on the same axial line; The first inductor rotor disk 2 and the second inductor rotor disk 4 are about armature disc 3 symmetry and be installed on the left and right sides end face of armature disc 3, the first DC excitation dish 1 and the second DC excitation dish 5 about armature disc 3 symmetries and be installed in the left side of the first inductor rotor disk 2 respectively and the right side of the second inductor rotor disk 4 on; The first inductor rotor disk 2 is fixedlyed connected with machine shaft 6 respectively with the second inductor rotor disk 4, and the first DC excitation dish 1, the second DC excitation dish 5 and armature disc 3 are rotationally connected by bearing and machine shaft 6 respectively; The first DC excitation dish 1, the first inductor rotor disk 2, armature disc 3, the second DC excitation dish 5 and the second inductor rotor disk 4 are installed in casing 7 inside.
Embodiment two: in conjunction with Fig. 1, Fig. 2 present embodiment is described, present embodiment and embodiment one difference are that the first DC excitation dish 1 is made up of high-temperature superconductor DC excitation winding 1-1, DC superconducting winding low temperature cask flask 1-2, stator core 1-3 and back of the body yoke 1-4; High-temperature superconductor DC excitation winding 1-1 is installed in DC superconducting winding low temperature cask flask 1-2 inside, DC superconducting winding low temperature cask flask 1-2 along the circumferential direction runs through embedding and is installed in the stator core 1-3, and back of the body yoke 1-4 is attached on the outer face of stator core 1-3; Stator core 1-3 is rotationally connected by bearing and machine shaft 6.Other composition is identical with embodiment one with connected mode.High-temperature superconductor winding employing model is that the belt material of high temperature superconduct coiling of BSCCO-2223 forms.
Embodiment three: in conjunction with Fig. 3 present embodiment is described, present embodiment and embodiment one difference are that the first inductor rotor disk 2 is made up of to inductor 2-1, export-oriented inductor 2-2 and composite material support 2-3 interior; Interior identical with the structure of export-oriented inductor 2-2 to inductor 2-1; In to inductor 2-1 and export-oriented inductor 2-2 along the circumferential direction vertical respectively run through to embed be installed in the composite material support 2-3; In be staggered in the export-oriented inductor 2-2 outside to inductor 2-1.Other composition is identical with embodiment one with connected mode.In be inductor to inductor 2-1 towards stator core 1-3 inside; Export-oriented inductor 2-2 is the inductor towards stator core 1-3 outside, and interior structure material homogeneous phase to inductor 2-1 and export-oriented inductor 2-2 is same.
Embodiment four: in conjunction with Fig. 4, Fig. 5 present embodiment is described, present embodiment and embodiment one difference are that armature disc 3 is made up of cheese high-temperature superconductor armature winding 3-1, armature core 3-2, superconductive armature winding low temperature cask flask 3-3, superconduction winding support 3-4 and superconduction winding low temperature cask flask 3-5; Cheese high-temperature superconductor armature winding 3-1 is installed in the groove of superconduction winding support 3-4 outer face; The superconduction winding support 3-4 that is equiped with cheese high-temperature superconductor armature winding 3-1 is installed in superconductive armature winding low temperature cask flask 3-3 inside, superconductive armature winding low temperature cask flask 3-3 along the circumferential direction is installed in superconduction winding low temperature cask flask 3-5 inside, armature core 3-2 runs through embedding perpendicular to cheese high-temperature superconductor armature winding 3-1 and is installed in the superconduction winding low temperature cask flask 3-5, cheese high-temperature superconductor armature winding 3-1, armature core 3-2, the central axis of superconduction winding support 3-4 is positioned on the same axis, and superconduction winding low temperature cask flask 3-5 is rotationally connected by bearing and machine shaft 6.Other composition is identical with embodiment one with connected mode.
Embodiment five: adopt the ferromagnetic material of high saturation magnetic flux to make to inductor 2-1 and export-oriented inductor 2-2 in present embodiment and embodiment three differences are.Other composition is identical with embodiment three with connected mode.
Embodiment six: certain angle tilts when inductor 2-1 and export-oriented inductor 2-2 installation in present embodiment and embodiment three differences are; Interior to the inner inclination of inductor 2-1 to stator core 1-3, export-oriented inductor 2-2 is to the outer inclination of stator core 1-3.Other composition is identical with embodiment three with connected mode.The interior purpose that tilts certain angle when inductor 2-1 and export-oriented inductor 2-2 installation is crossed the effective area in cross section in order to increase magnetic flux flow.
Embodiment seven: present embodiment and embodiment four differences are that stator core 1-3 and armature core 3-2 adopt high saturation magnetic flux silicon steel sheet or permalloy powder core to make.Other composition is identical with embodiment four with connected mode.
Embodiment eight: present embodiment and embodiment four differences are that superconduction winding low temperature cask flask 3-5 comprises vacuum layer and thermal insulation layer.Other composition is identical with embodiment one with connected mode.
Embodiment nine: present embodiment and embodiment four differences are only to be with on each armature core 3-2 a cheese high-temperature superconductor armature winding 3-1.Other composition is identical with embodiment four with connected mode.
Operation principle: axial magnetic pass electromagnetic deceleration high-temperature superconductive electromotor of the present invention is that the structure of composite stepper motor is cut open vertically, again along circumference around and the motor of the axial magnetic circuit structure that forms and replaces permanent magnet to produce axial magnetic flux by the direct current excitation winding.The rotor tooth of former composite stepper motor is separated with the DC excitation winding, be embedded in the strutting piece of composite material, the magnetic flux that the direct current excitation winding produces therefrom passes through, this structure is referred to as the inductor structure, adopt this kind structural electromotor to realize that the superconduction winding does not partly rotate, thereby simplified the complexity of superconducting motor structure, improved the reliability of system, simplified low-temperature cooling system.Adopt liquid nitrogen to do the cost that refrigerant has reduced system's operation.
The course of work: the high-temperature superconductor excitation winding of motor feeds direct current, produce constant axial magnetic flux, make on the rotor and become the N utmost point to inductor towards the interior of stator core inside, export-oriented inductor towards the stator core outside becomes the S utmost point, and the introversion and extroversion inductor is staggered to form N, the S utmost point alternately along the circumferential direction alternately.High-temperature superconductor armature winding feeds three-phase alternating current, produces rotating magnetic field, makes the inductor rotor disk drive machine shaft output torque.Magnetic circuit is through stator core, inductor, and armature core forms the closed-loop path.The rule that air-gap permeance changes during according to motor stator and rotor surface fluting, the angle that turns in the space of air-gap permeance ripple is more much bigger than the angle that rotor turns over as can be known, the air-gap permeance ripple is the electromagnetic deceleration coefficient at the ratio of the rotating speed of the rotating speed in space and rotor, at this moment machine operation is in the electromagnetic deceleration state, therefore when the number of pole-pairs of the stator winding of motor equaled the armature core number of teeth and responds to the difference of subnumber, machine operation was in the electromagnetic deceleration state; When the number of pole-pairs of stator winding equaled to respond to subnumber, machine operation was in synchronous motoring condition.
Claims (6)
1, axial magnetic pass electromagnetic deceleration high-temperature superconductive electromotor, it comprises machine shaft (6) and casing (7); It is characterized in that it also comprises the first DC excitation dish (1), the first inductor rotor disk (2), armature disc (3), the second DC excitation dish (5) identical with first DC excitation dish (1) structure and the second inductor rotor disk (4) identical with first inductor rotor disk (2) structure; The central axis of the first DC excitation dish (1), the first inductor rotor disk (2), armature disc (3), the second DC excitation dish (5), the second inductor rotor disk (4) and the central axis of machine shaft (6) are positioned on the same axial line; The first inductor rotor disk (2) and the second inductor rotor disk (4) are about armature disc (3) symmetry and be installed on the left and right sides end face of armature disc (3), and the first DC excitation dish (1) and the second DC excitation dish (5) also are installed on the right side of the left side of the first inductor rotor disk (2) and the second inductor rotor disk (4) respectively about armature disc (3) symmetry; The first inductor rotor disk (2) is fixedlyed connected with machine shaft (6) respectively with the second inductor rotor disk (4), and the first DC excitation dish (1), the second DC excitation dish (5) and armature disc (3) are rotationally connected by bearing and machine shaft (6) respectively; The first DC excitation dish (1), the first inductor rotor disk (2), armature disc (3), the second DC excitation dish (5) and the second inductor rotor disk (4) are installed in casing (7) inside.
2, axial magnetic pass electromagnetic deceleration high-temperature superconductive electromotor according to claim 1 is characterized in that the first DC excitation dish (1) is made up of high-temperature superconductor DC excitation winding (1-1), DC superconducting winding low temperature cask flask (1-2), stator core (1-3) and back of the body yoke (1-4); High-temperature superconductor DC excitation winding (1-1) is installed in DC superconducting winding low temperature cask flask (1-2) inside, DC superconducting winding low temperature cask flask (1-2) along the circumferential direction runs through embedding and is installed in the stator core (1-3), and back of the body yoke (1-4) is attached on the outer face of stator core (1-3); Stator core (1-3) is rotationally connected by bearing and machine shaft (6).
3, axial magnetic pass electromagnetic deceleration high-temperature superconductive electromotor according to claim 1 is characterized in that the first inductor rotor disk (2) is made up of to inductor (2-1), export-oriented inductor (2-2) and composite material support (2-3) interior; Interior identical with the structure of export-oriented inductor (2-2) to inductor (2-1); In to inductor (2-1) and export-oriented inductor (2-2) along the circumferential direction vertical respectively run through the embedding be installed in the composite material support (2-3); In be staggered in export-oriented inductor (2-2) outside to inductor (2-1).
4, axial magnetic pass electromagnetic deceleration high-temperature superconductive electromotor according to claim 1 is characterized in that armature disc (3) is made up of cheese high-temperature superconductor armature winding (3-1), armature core (3-2), superconductive armature winding low temperature cask flask (3-3), superconduction winding support (3-4) and superconduction winding low temperature cask flask (3-5); Cheese high-temperature superconductor armature winding (3-1) is installed in the groove of superconduction winding support (3-4) outer face; The superconduction winding support (3-4) that is equiped with cheese high-temperature superconductor armature winding (3-1) is installed in superconductive armature winding low temperature cask flask (3-3) inside, superconductive armature winding low temperature cask flask (3-3) along the circumferential direction is installed in superconduction winding low temperature cask flask (3-5) inside, armature core (3-2) runs through embedding perpendicular to cheese high-temperature superconductor armature winding (3-1) and is installed in the superconduction winding low temperature cask flask (3-5), cheese high-temperature superconductor armature winding (3-1), armature core (3-2), the central axis of superconduction winding support (3-4) is positioned on the same axis, and superconduction winding low temperature cask flask (3-5) is rotationally connected by bearing and machine shaft (6).
5, axial magnetic pass electromagnetic deceleration high-temperature superconductive electromotor according to claim 3 adopts the ferromagnetic material of high saturation magnetic flux to make to inductor (2-1) and export-oriented inductor (2-2) in it is characterized in that.
6, axial magnetic pass electromagnetic deceleration high-temperature superconductive electromotor according to claim 4 is characterized in that stator core (1-3) and armature core (3-2) adopt high saturation magnetic flux silicon steel sheet or permalloy powder core to make.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008100643937A CN101262169A (en) | 2008-04-28 | 2008-04-28 | Axial magnetic pass electromagnetic deceleration high-temperature superconductive electromotor |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008100643937A CN101262169A (en) | 2008-04-28 | 2008-04-28 | Axial magnetic pass electromagnetic deceleration high-temperature superconductive electromotor |
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| CN101262169A true CN101262169A (en) | 2008-09-10 |
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| CNA2008100643937A Pending CN101262169A (en) | 2008-04-28 | 2008-04-28 | Axial magnetic pass electromagnetic deceleration high-temperature superconductive electromotor |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103731004A (en) * | 2013-12-27 | 2014-04-16 | 浙江日发纺织机械股份有限公司 | Double-magnetic-disk stepping motor |
| CN103855886A (en) * | 2012-11-28 | 2014-06-11 | 杨玉岗 | Electromagnetic speed regulator |
| CN104901511A (en) * | 2015-06-04 | 2015-09-09 | 哈尔滨工业大学 | Transverse flux high-speed superconducting motor system |
| CN107659005A (en) * | 2017-09-30 | 2018-02-02 | 上海英磁新能源科技有限公司 | A kind of disc type superconducting motor |
-
2008
- 2008-04-28 CN CNA2008100643937A patent/CN101262169A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103855886A (en) * | 2012-11-28 | 2014-06-11 | 杨玉岗 | Electromagnetic speed regulator |
| CN103855886B (en) * | 2012-11-28 | 2016-08-31 | 杨玉岗 | A kind of electromagnetic adjustable speed motor |
| CN103731004A (en) * | 2013-12-27 | 2014-04-16 | 浙江日发纺织机械股份有限公司 | Double-magnetic-disk stepping motor |
| CN104901511A (en) * | 2015-06-04 | 2015-09-09 | 哈尔滨工业大学 | Transverse flux high-speed superconducting motor system |
| CN107659005A (en) * | 2017-09-30 | 2018-02-02 | 上海英磁新能源科技有限公司 | A kind of disc type superconducting motor |
| CN107659005B (en) * | 2017-09-30 | 2023-10-20 | 上海英磁新能源科技有限公司 | Disc type superconducting motor |
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Open date: 20080910 |