CN111884483A - High-power-density superconducting motor with limiting structure - Google Patents
High-power-density superconducting motor with limiting structure Download PDFInfo
- Publication number
- CN111884483A CN111884483A CN202010743143.7A CN202010743143A CN111884483A CN 111884483 A CN111884483 A CN 111884483A CN 202010743143 A CN202010743143 A CN 202010743143A CN 111884483 A CN111884483 A CN 111884483A
- Authority
- CN
- China
- Prior art keywords
- rotor
- stator
- cooling medium
- limiting
- shell
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Images
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K55/00—Dynamo-electric machines having windings operating at cryogenic temperatures
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K1/00—Details of the magnetic circuit
- H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
- H02K1/12—Stationary parts of the magnetic circuit
- H02K1/18—Means for mounting or fastening magnetic stationary parts on to, or to, the stator structures
- H02K1/185—Means for mounting or fastening magnetic stationary parts on to, or to, the stator structures to outer stators
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K1/00—Details of the magnetic circuit
- H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
- H02K1/12—Stationary parts of the magnetic circuit
- H02K1/20—Stationary parts of the magnetic circuit with channels or ducts for flow of cooling medium
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K1/00—Details of the magnetic circuit
- H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
- H02K1/22—Rotating parts of the magnetic circuit
- H02K1/28—Means for mounting or fastening rotating magnetic parts on to, or to, the rotor structures
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
- H02K5/16—Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields
- H02K5/161—Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields radially supporting the rotary shaft at both ends of the rotor
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K9/00—Arrangements for cooling or ventilating
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K9/00—Arrangements for cooling or ventilating
- H02K9/19—Arrangements for cooling or ventilating for machines with closed casing and closed-circuit cooling using a liquid cooling medium, e.g. oil
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Motor Or Generator Cooling System (AREA)
Abstract
The invention discloses a high-power-density superconducting motor with a limiting structure, which comprises a shell, a stator, a rotor, a circulating cooling mechanism, a rotor limiting mechanism and a stator limiting mechanism, wherein the shell is provided with a plurality of slots; a stator is arranged in the shell; a rotating rotor is arranged in the stator; the sealing plate at the front end of the shell seals the stator and the rotor in the shell; a circulating cooling mechanism is arranged in the shell; a sealing plate at the front end of the shell and a rear end cover of the shell are provided with rotor limiting mechanisms; and stator limiting mechanisms are arranged at two ends of the stator. The structure of the scheme ensures that the stator core is installed and fixed in the shell at a stable angle and the relative positions of the rotor and the stator core are kept unchanged; the circulating cooling mechanism ensures that the rotor excitation winding works in a superconducting excitation winding temperature zone, and simultaneously ensures that the stator has lower temperature and higher line current density, thereby further improving the power density of the superconducting motor.
Description
Technical Field
The invention relates to the technical field of superconducting motors, in particular to a superconducting motor which has a cooling effect and is assembled by matching a stator and a rotor.
Background
The superconducting motor is characterized in that a superconducting material is used for making an excitation winding, a lead which is made of the superconducting material and can bear high-density current in a high magnetic field is wound, the resistance of the superconducting material is zero in a low-temperature environment, and the superconducting excitation winding can pass through very strong current to generate a very strong magnetic field, namely a superconducting magnet is formed.
The superconducting motor mainly comprises a stator and a rotor, such as a high-temperature superconducting motor, which is described in patent application No. 201921931861.6, wherein the stator is provided with a stator winding, and the rotor is provided with a superconducting magnetic block; a cooling medium for maintaining the superconducting wire rod and the superconducting magnet block at a superconducting critical temperature is communicated with the interior of the motor shell, and the stator and the rotor are immersed in the cooling medium.
The prior art has the following defects:
1. when the stator is assembled, the built-in stator core of the machine base is inconvenient to limit;
2. a circulative cooling mechanism is not arranged in the stator iron core;
3. the cold energy of the rotor cooling medium is not secondarily utilized;
4. there is no defined structure between the stator and the rotor.
Disclosure of Invention
The invention aims to: the cooling capacity of the gasified cooling medium in the rotor enters the cooling circulation device of the stator through an external pipeline, and the winding of the stator can be further cooled, so that the line current density is further improved, and the power density of the motor is increased.
The technical scheme of the invention is as follows: a high-power-density superconducting motor with a limiting structure comprises a machine shell, a stator, a rotor, a circulating cooling mechanism, a rotor limiting mechanism and a stator limiting mechanism; a stator is arranged in the shell; a rotating rotor is arranged in the stator; the sealing plate at the front end of the shell seals the stator and the rotor in the shell; a circulating cooling mechanism is arranged in the shell; a sealing plate at the front end of the shell and a rear end cover of the shell are provided with rotor limiting mechanisms; stator limiting mechanisms are arranged at two ends of the stator;
the stator comprises a stator core with a plurality of tooth slots and a stator winding wound on the stator core;
the rotor includes a rotor core with a central axis and a rotor winding formed of a superconducting material wound around the rotor core.
Preferably, the circulating cooling mechanism comprises a stator cooling circulating device and a rotor cooling device; the stator cooling circulating device comprises a stator cooling medium injection pipe, a stator cooling medium injection port, a stator cooling medium circulating pipeline, a stator cooling medium output port and a stator cooling medium output pipe; the rotor cooling device comprises a rotor isolation sleeve, a rotor cooling medium input pipe and a rotor cooling medium output pipe; a stator cooling medium injection pipe and a stator cooling medium output pipe are arranged at the upper end of the shell, a stator cooling medium injection port and a stator cooling medium output port are formed in the stator core, and the stator cooling medium circulating pipeline is arranged on the stator core; the stator cooling medium injection port is connected with the stator cooling medium output port through a stator cooling medium circulating pipeline, the stator cooling medium injection pipe is connected with the stator cooling medium injection port, and the stator cooling medium output pipe is connected with the stator cooling medium output port; the rotor isolation sleeve is arranged between the rotor and the stator and isolates the rotor cooling medium; the rotor cooling medium input pipe is communicated with one end of the rotor isolation sleeve and inputs the rotor cooling medium into the rotor isolation sleeve; the rotor cooling medium output pipe is communicated with the other end of the rotor isolation sleeve and outputs the rotor cooling medium from the inside of the rotor isolation sleeve; and the rotor cooling medium output pipe is connected with the stator cooling medium injection pipe through an external pipeline.
Preferably, the stator cooling medium circulating pipeline is annularly embedded into the wall of the stator core pipe; a rotor cooling medium input pipe is arranged in the center of the rear end of the central shaft of the rotor; a rotor cooling medium input hole is formed in the central shaft at the rear end close to the rotor iron core; the rotor cooling medium input hole is communicated with the rotor cooling medium input pipe; a rotor cooling medium output pipe is arranged in the center of the front end of the central shaft of the rotor; a rotor cooling medium output hole is arranged on the central shaft at the front end close to the rotor iron core; and the rotor cooling medium output hole is communicated with the rotor cooling medium output pipe.
Preferably, the rotor limiting mechanism comprises a rotor limiting ring, a rotor rear limiting groove, a rotor rear limiting through hole, a rotor front limiting through hole and a rotor front limiting groove, and the limiting ring is arranged in the shell close to the rear end cover; the center of the inner side surface of the limiting ring is provided with a rear rotor limiting groove; the center of the limiting ring is provided with a rear limiting through hole of the rotor in a penetrating way; a rotor front limiting groove is formed in the center of the inner side of the sealing plate; and a rotor front limiting through hole is formed in the center of the rotor front limiting groove.
Preferably, the rotor rear limiting groove and the rotor front limiting groove have the same radius.
Preferably, the stator limiting mechanism comprises a stator rear limiting block, a stator front limiting hole, a stator rear limiting hole, a stator limiting frame and a stator front limiting block; a stator rear limiting block is arranged in the shell at an equal angle; the front end and the rear end of the stator core are respectively provided with a front stator limiting hole and a rear stator limiting hole; a stator front limiting block is arranged on one side of the stator limiting frame; the stator front limiting hole is matched and positioned with the stator front limiting block; and the stator rear limiting block is matched and positioned with the stator rear limiting hole.
Preferably, a rotor front bearing is arranged at the front end of a central shaft of the rotor core; a rotor rear bearing is arranged at the rear end of the central shaft of the rotor iron core; the rotor front bearing is matched and assembled with the rotor front limiting groove; and the rotor rear bearing is matched and assembled with the rotor rear limiting groove.
Preferably, two groups of brackets are symmetrically arranged at the lower end of the machine shell.
Preferably, a plurality of groups of grooves are formed in the front side surface of the shell, and a plurality of groups of bumps are arranged on the side surface of the sealing plate; the groove is matched and assembled with the lug.
Preferably, a rotor bearing through hole is formed in the center of the rear end cover of the casing.
The invention has the advantages that:
1. in the structure of the scheme, a stator core is provided with a stator rear limiting block through a rear stator limiting hole, so that the stator core is arranged and fixed in a machine base at a certain angle, the stator front limiting block arranged on one side is arranged in the stator front limiting hole by means of a stator limiting frame, and the stator core is arranged and fixed in the machine base at a stable angle by limiting the front and rear angles of the stator core;
2. the structure of the scheme is characterized in that a circulating cooling medium pump is externally connected, cooling liquid is controlled by a water pump to flow through a stator cooling medium injection pipe and then injected through a stator cooling medium injection port, the cooling liquid is uniformly distributed in a stator cooling medium circulating pipeline and flows uniformly in the stator cooling medium circulating pipeline, finally a stator cooling medium output port and a stator cooling medium output pipe are discharged, the cooling liquid is injected from the stator cooling medium injection port by utilizing the circulating water pump to form cooling liquid circulation, the material of a stator iron core is cooled, so that the stator iron core is kept not at a high temperature, the gasified cold quantity of the cooling medium in a rotor enters a cooling circulating device of the stator through an external pipeline, and therefore, the circulating cooling mechanism ensures that a rotor exciting winding works in a superconducting exciting winding temperature area and simultaneously ensures that the stator has a low temperature and a high line current density, the power density of the superconducting motor is further improved;
3. the present case structure is installed rotor rear bearing and rotor front bearing respectively through spacing groove behind rotor and the preceding spacing groove of rotor, and then utilizes stator spacing ring and closing plate to inject the position of rotor, makes rotor and stator core keep relative position unchangeable.
Drawings
The invention is further described with reference to the following figures and examples:
fig. 1 is a schematic structural diagram of a high power density superconducting motor with a limiting structure according to the present disclosure;
fig. 2 is a schematic view of an assembly structure of a high power density superconducting motor with a position limiting structure according to the present disclosure;
fig. 3 is a schematic view of an assembly structure of a stator winding and a stator spacing frame of a high power density superconducting motor with a spacing structure according to the present disclosure;
FIG. 4 is another angle structure diagram of FIG. 2;
FIG. 5 is a schematic structural view of the stator of FIG. 4;
FIG. 6 is a schematic cross-sectional view of a housing, a stator core and a stator spacing frame of a high power density superconducting motor with a spacing structure according to the present disclosure;
wherein: 1. a housing; 101. a groove; 2. a stator; 201. a stator core; 202. a stator winding; 3. a rotor; 301. a rotor core; 302. a rotor winding; 303. a central shaft; 304. a rotor front bearing; 305. a rotor rear bearing; 4. a sealing plate; 401. a bump; 5. a rear end cap; 501. a rotor bearing through hole; 6. a support; 7. A circulating cooling mechanism; 701. a stator cooling medium injection pipe; 702. a stator cooling medium injection port; 703. a stator cooling medium circulation pipe; 704. a stator cooling medium outlet; 705. a stator cooling medium output pipe; 706. a rotor isolation sleeve; 707. a rotor cooling medium input pipe; 708. a rotor cooling medium output pipe; 709. a rotor cooling medium inlet hole; 7010. a rotor cooling medium output hole; 8. a rotor limiting mechanism; 801. a rotor limit ring; 802. a rotor rear limiting groove; 803. a rotor rear limiting through hole; 804. a rotor front limiting through hole; 805. a rotor front limiting groove; 9. A stator limiting mechanism; 901. a stator rear limiting block; 902. a stator front limiting hole; 903. a stator rear limiting hole; 904. a stator limiting frame; 905. the stator front defines a block.
Detailed Description
Example (b):
in order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
In the description of the present invention, it is to be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships illustrated in the drawings, and are used merely for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, are not to be construed as limiting the present invention. Further, in the description of the present invention, "a plurality" means two or more unless specifically limited otherwise
As shown in fig. 1 to 6, a high power density superconducting motor with a position limiting and adjusting structure comprises a casing 1, a stator 2, a rotor 3, a circulating cooling mechanism 7, a rotor limiting mechanism 8 and a stator limiting mechanism 9; a stator 2 is arranged inside the shell 1; a rotating rotor 3 is arranged inside the stator 2; a sealing plate 4 at the front end of the shell 1 seals the stator 2 and the rotor 3 in the shell 1; a circulating cooling mechanism 7 is arranged in the machine shell 1; a rotor limiting mechanism 8 is arranged on a sealing plate 4 at the front end of the shell 1 and a rear end cover 5 of the machine shell 1; two ends of the stator 2 are provided with stator limiting mechanisms 9; two groups of brackets 6 are symmetrically arranged at the lower end of the shell 1; a plurality of groups of grooves 101 are formed in the front side surface of the shell 1; the grooves 101 are arranged at equal angles; a plurality of groups of convex blocks 401 are arranged on the side surface of the sealing plate 4; the bumps 401 are arranged at equal angles; the external dimension of the convex block 401 is the same as the internal dimension of the groove 101, the groove 101 and the convex block 401 are detachably matched and assembled, and a bolt passes through a through hole formed in the convex block 401 and is connected with a threaded hole formed in the groove 101 of the machine shell 1 to install and fix the sealing plate 4; a rotor bearing through hole 501 is formed in the center of the rear end cover 5 of the machine shell 1;
the stator 2 comprises a stator core 201 with a plurality of tooth slots and a stator winding 202 formed by copper materials wound on the stator core 201;
rotor 3 includes rotor core 301 having central axis 303 and rotor winding 302 formed of a superconducting material wound around rotor core 301; a rotor front bearing 304 is arranged at the front end of a central shaft 303 of the rotor core 301; a rotor rear bearing 305 is provided at the rear end of the center shaft 303 of the rotor core 301.
The circulating cooling mechanism 7 comprises a stator cooling circulating device and a rotor cooling device; the stator cooling circulation device comprises a stator cooling medium injection pipe 701, a stator cooling medium injection port 702, a stator cooling medium circulation pipeline 703, a stator cooling medium output port 704 and a stator cooling medium output pipe 705; the rotor cooling device comprises a rotor isolation sleeve 706, a rotor cooling medium input pipe 707 and a rotor cooling medium output pipe 708; a stator cooling medium injection pipe 701 and a stator cooling medium output pipe 705 are arranged at the upper end of the machine shell 1, a stator cooling medium injection port 702 and a stator cooling medium output port 704 are arranged on the stator core 201, and the stator cooling medium circulation pipeline 703 is arranged on the stator core 201; the stator cooling medium circulating pipeline 703 is annularly embedded into the pipe wall of the stator core 201; the stator cooling medium injection port 702 and the stator cooling medium output port 704 are connected through a stator cooling medium circulation pipeline 703, the stator cooling medium injection pipe 701 is connected with the stator cooling medium injection port 702, and the stator cooling medium output pipe 705 is connected with the stator cooling medium output port 704; the stator core 201 is symmetrically provided with a stator cooling medium inlet 702 and a stator cooling medium outlet 704 about a central axis. By externally connecting a circulating cooling medium pump, the circulating cooling medium pump controls the cooling medium to circularly move through a stator cooling medium injection pipe 701, a stator cooling medium injection port 702, a stator cooling medium circulating pipeline 703, a stator cooling medium output port 704 and a stator cooling medium output pipe 705, so as to cool the interior of the stator core 201; after external cooling liquid is injected through the stator cooling medium injection port 702, the cooling liquid is uniformly distributed inside the stator cooling medium circulation pipeline 703, and flows uniformly inside the stator cooling medium circulation pipeline 703, and finally is discharged through the stator cooling medium output port 704, and is injected through the stator cooling medium injection port 702 to form cooling liquid circulation, so that the material of the stator iron core 201 is cooled, and the stator iron core 201 is kept not at a high temperature; the rotor isolation sleeve 706 is disposed between the rotor and the stator, isolating the rotor cooling medium; a rotor cooling medium input pipe 707 is arranged at the center of the rear end of the central shaft 303 of the rotor 3; a rotor cooling medium input hole 709 is formed in the central shaft 303 near the rear end of the rotor core 201; the rotor cooling medium input hole 709 is communicated with a rotor cooling medium input pipe 707; a rotor cooling medium output pipe 708 is arranged in the center of the front end of the central shaft 303 of the rotor 3; a rotor cooling medium output hole 7010 is formed in the central shaft 303 close to the front end of the rotor core 201; the rotor cooling medium output hole 7010 is communicated with the rotor cooling medium output pipe 708; the rotor cooling medium output pipe 7010 is connected to the stator cooling medium injection pipe 701 through an external pipeline. After being gasified, the cooling medium of the rotor 3 enters the rotor isolation sleeve 706 through the rotor cooling medium input pipe 707 and the rotor cooling medium input hole 709, the rotor isolation sleeve 706 isolates the rotor cooling medium from the stator 2, the rotor 3 is directly cooled in the cooling medium, and then the rotor cooling medium is discharged from the rotor cooling medium output pipe 708 through the rotor cooling medium output hole 7010, is connected to the stator cooling medium injection pipe 701 through an external pipeline, enters the cooling circulation device of the stator, and secondarily utilizes the gasified cooling capacity of the cooling medium in the rotor to further cool the stator winding 202 of the stator 2, so that the line current density is further improved, and the power density of the motor is increased.
The rotor limiting mechanism 8 comprises a rotor limiting ring 801, a rotor rear limiting groove 802, a rotor rear limiting through hole 803, a rotor front limiting through hole 804 and a rotor front limiting groove 805, wherein the limiting ring 801 is arranged in the machine shell 1 close to the rear end cover 5; a rotor rear limiting groove 802 is formed in the center of the inner side face of the limiting ring 801; a rotor rear limiting through hole 803 is formed in the center of the limiting ring 801 in a penetrating manner; a rotor front limiting groove 805 is formed in the center of the inner side of the sealing plate 4; a rotor front limiting through hole 804 is formed in the center of the rotor front limiting groove 805; the radius of the rotor rear limiting groove 802 is the same as that of the rotor front limiting groove 805; the rotor front bearing 304 is matched and assembled with the rotor front limiting groove 805; the rotor rear bearing 305 is matched and assembled with the rotor rear limiting groove 802; further, the position of the rotor 3 is limited by the rotor stopper ring 801 and the seal plate 4, and the relative position of the rotor 3 and the stator 2 is kept unchanged.
The stator limiting mechanism 9 comprises a stator rear limiting block 901, a stator front limiting hole 902, a stator rear limiting hole 903, a stator limiting frame 904 and a stator front limiting block 905; a stator rear limiting block 901 is arranged in the casing 1 at an equal angle, and in this example, the rear limiting block 901 is arranged on a rotor limiting ring 801; the front end and the rear end of the stator core 201 are respectively provided with a front stator limiting hole 902 and a rear stator limiting hole 903; a stator front limiting block 905 is arranged on one side of the stator limiting frame 904; the stator front limiting hole 902 is matched with the stator front limiting block 905 for positioning; the stator rear limiting block 901 is matched and positioned with the stator rear limiting hole 903; the stator limiting frame 904 and the stator front limiting block 905 are of an integral structure. The stator core 201 is fixed in the housing 1 by mounting the stator rear limiting block 901 through the stator rear limiting hole 903, so that the stator core 201 is fixed in the housing 1 at a certain angle, and is fixed in the stator front limiting hole 902 by the stator front limiting block 905 of the stator limiting frame 904, so that the stator core 201 is fixed in the housing 1 at a stable angle by limiting the stator core 201 to the front and rear angles.
The working principle is as follows: when the superconducting motor is used, firstly, the stator core 201 wound with the stator winding 202 is positioned and installed through the stator rear limiting hole 903 and the stator rear limiting block 901, the stator core 201 is installed and fixed in the interior of the machine case 1 at a certain angle, and is installed in the interior of the stator front limiting hole 902 by the stator front limiting block 905 on the stator limiting frame 904, the stator core 3 is limited in front and rear angles, the stator core 201 is installed and fixed in the interior of the machine case 1 at a stable angle, when the rotor 3 and the rotor isolation sleeve 706 which are correspondingly installed with the rotor winding 302 are matched and selected, the rotor rear bearing 305 is matched and assembled with the rotor rear limiting groove 802, the lug and 401 is installed in the interior of the groove 101, and then the sealing plate 4 is installed and fixed by bolts penetrating through the through holes which are arranged on the lug 401 and the threaded holes which are arranged in the groove 101 on the machine base 1, the rotor front bearing 304 is matched and assembled with a rotor front limiting groove 804 arranged on one side of a sealing plate 4, and then the position of the rotor 3 is limited by utilizing a limiting ring 801 and the sealing plate 4, so that the relative position of the rotor 3 and a stator core 201 is kept unchanged, after the superconducting motor is assembled, through an external circulating cooling medium pump, after external cooling liquid is injected through a stator cooling medium injection port 702, the cooling liquid is uniformly distributed in a stator cooling medium circulating pipeline 703 and uniformly flows in the stator cooling medium circulating pipeline 703, finally, the stator cooling medium is discharged from a stator cooling medium output port 704, and then the cooling liquid is injected through the stator cooling medium injection port 702 to form cooling liquid circulation, the material of the stator core 201 is cooled, so that the stator core 201 is kept not at a higher temperature, and the superconducting motor can keep a long-time working state, those not described in detail in this specification are within the skill of the art.
The foregoing embodiments are merely illustrative of the principles and utilities of the present invention and are not intended to limit the invention. Any person skilled in the art can modify or change the above-mentioned embodiments without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which can be made by those skilled in the art without departing from the spirit and technical concepts disclosed herein be covered by the appended claims.
Claims (10)
1. The utility model provides a high power density's superconducting motor with limit structure which characterized in that: the motor comprises a machine shell (1), a stator (2), a rotor (3), a circulating cooling mechanism (7), a rotor limiting mechanism (8) and a stator limiting mechanism (9); a stator (2) is arranged in the shell (1); a rotating rotor (3) is arranged in the stator (2); a sealing plate (4) at the front end of the shell (1) seals the stator (2) and the rotor (3) in the shell (1); a circulating cooling mechanism (7) is arranged in the machine shell (1); a rotor limiting mechanism (8) is arranged on a sealing plate (4) at the front end of the shell (1) and a rear end cover (5) of the shell (1); stator limiting mechanisms (9) are arranged at two ends of the stator (2);
the stator (2) comprises a stator core (201) with a plurality of tooth slots and a stator winding (202) wound on the stator core (201);
the rotor (3) includes a rotor core (301) having a central axis (303) and a rotor winding (302) formed of a superconducting material wound around the rotor core (301).
2. A high power density superconducting motor having a position limiting structure according to claim 1, wherein: the circulating cooling mechanism (7) comprises a stator cooling circulating device and a rotor cooling device; the stator cooling circulating device comprises a stator cooling medium injection pipe (701), a stator cooling medium injection port (702), a stator cooling medium circulating pipeline (703), a stator cooling medium output port (704) and a stator cooling medium output pipe (705); the rotor cooling device comprises a rotor isolation sleeve (706), a rotor cooling medium input pipe (707) and a rotor cooling medium output pipe (708); a stator cooling medium injection pipe (701) and a stator cooling medium output pipe (705) are arranged at the upper end of the machine shell (1), a stator cooling medium injection port (702) and a stator cooling medium output port (704) are formed in the stator iron core (201), and a stator cooling medium circulating pipeline (703) is arranged on the stator iron core (201); the stator cooling medium injection port (702) is connected with the stator cooling medium output port (704) through a stator cooling medium circulating pipeline (703), the stator cooling medium injection pipe (701) is connected with the stator cooling medium injection port (702), and the stator cooling medium output pipe (705) is connected with the stator cooling medium output port (704); the rotor isolation sleeve (706) is arranged between the rotor (3) and the stator (2) and isolates the rotor cooling medium; the rotor cooling medium input pipe (707) is communicated with one end of the rotor isolation sleeve (706) and inputs the rotor cooling medium into the rotor isolation sleeve (706); the rotor cooling medium output pipe (708) is communicated with the other end of the rotor isolation sleeve (706) and outputs the rotor cooling medium from the inside (706) of the rotor isolation sleeve; the rotor cooling medium output pipe (708) is connected with the stator cooling medium injection pipe (701) through an external pipeline.
3. A high power density superconducting motor having a position limiting structure according to claim 2, wherein: the stator cooling medium circulating pipeline (703) is annularly embedded into the pipe wall of the stator core (201); a rotor cooling medium input pipe (707) is arranged in the center of the rear end of the central shaft (303) of the rotor (3); a rotor cooling medium input hole (709) is formed in a central shaft (303) at the rear end of the position close to the rotor iron core (201); the rotor cooling medium input hole (709) is communicated with a rotor cooling medium input pipe (707); a rotor cooling medium output pipe (708) is arranged in the center of the front end of a central shaft (303) of the rotor (3); a rotor cooling medium output hole (7010) is formed in a central shaft (303) at the front end of the position close to the rotor iron core (201); the rotor cooling medium output hole (7010) is communicated with a rotor cooling medium output pipe (708).
4. A high power density superconducting motor having a position limiting structure according to claim 1, wherein: the rotor limiting mechanism (8) comprises a rotor limiting ring (801), a rotor rear limiting groove (802), a rotor rear limiting through hole (803), a rotor front limiting through hole (804) and a rotor front limiting groove (805), and the limiting ring (801) is arranged in the position, close to the rear end cover (4), of the interior of the machine shell (1); a rotor rear limiting groove (802) is formed in the center of the inner side face of the limiting ring (801); a rotor rear limiting through hole (803) is formed in the center of the limiting ring (801) in a penetrating mode; a rotor front limiting groove (805) is formed in the center of the inner side of the sealing plate (5); the center of the rotor front limiting groove (805) is provided with a rotor front limiting through hole (804).
5. The high power density superconducting motor with a position limiting structure according to claim 4, wherein: the radius of the rotor rear limiting groove (802) is the same as that of the rotor front limiting groove (805).
6. A high power density superconducting motor having a position limiting structure according to claim 1 or 4, wherein: the stator limiting mechanism (9) comprises a stator rear limiting block (901), a stator front limiting hole (902), a stator rear limiting hole (903), a stator limiting frame (904) and a stator front limiting block (905); a stator rear limiting block (901) is arranged in the shell (1) at an equal angle; the front end and the rear end of the stator core (201) are respectively provided with a front stator limiting hole (902) and a rear stator limiting hole (903); a stator front limiting block (905) is arranged on one side of the stator limiting frame (904); the stator front limiting hole (902) is matched and positioned with the stator front limiting block (905).
7. A high power density superconducting motor having a position limiting structure according to claim 1, wherein: a rotor front bearing (304) is arranged at the front end of a central shaft (303) of the rotor iron core (301); and a rotor rear bearing (304) is arranged at the rear end of the central shaft (303) of the rotor iron core (301).
8. A high power density superconducting motor having a position limiting structure according to claim 1, wherein: two groups of brackets (6) are symmetrically arranged at the lower end of the machine shell (1).
9. A high power density superconducting motor having a position limiting structure according to claim 1, wherein: a plurality of groups of grooves (101) are formed in the front side face of the shell (1), and a plurality of groups of bumps (401) are arranged on the side face of the sealing plate (4); the groove (101) is matched and assembled with the bump (401).
10. A high power density superconducting motor having a position limiting structure according to claim 1, wherein: and a rotor bearing through hole (501) is formed in the center of the rear end cover (5) of the machine shell (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010743143.7A CN111884483B (en) | 2020-07-29 | 2020-07-29 | High-power-density superconducting motor with limiting structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010743143.7A CN111884483B (en) | 2020-07-29 | 2020-07-29 | High-power-density superconducting motor with limiting structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111884483A true CN111884483A (en) | 2020-11-03 |
| CN111884483B CN111884483B (en) | 2022-07-22 |
Family
ID=73201904
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010743143.7A Active CN111884483B (en) | 2020-07-29 | 2020-07-29 | High-power-density superconducting motor with limiting structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111884483B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114362434A (en) * | 2021-12-25 | 2022-04-15 | 江苏沪磁智能科技有限公司 | Magnetic suspension rotor and immersed liquid cooling structure thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN88202634U (en) * | 1988-03-30 | 1988-11-09 | 上海宝源仪表五金厂 | Explosion-proof electric machine for a liquid pump |
| CN103441648A (en) * | 2013-08-07 | 2013-12-11 | 中国科学院电工研究所 | High-temperature superconducting magnetic levitation motor |
| CN206865308U (en) * | 2017-05-15 | 2018-01-09 | 北京亿马先锋汽车科技有限公司 | Integrated motor and there is its automobile |
| CN208754108U (en) * | 2018-10-19 | 2019-04-16 | 苏州瑞来特思机械设备有限公司 | A kind of explosion-proof power generator |
-
2020
- 2020-07-29 CN CN202010743143.7A patent/CN111884483B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN88202634U (en) * | 1988-03-30 | 1988-11-09 | 上海宝源仪表五金厂 | Explosion-proof electric machine for a liquid pump |
| CN103441648A (en) * | 2013-08-07 | 2013-12-11 | 中国科学院电工研究所 | High-temperature superconducting magnetic levitation motor |
| CN206865308U (en) * | 2017-05-15 | 2018-01-09 | 北京亿马先锋汽车科技有限公司 | Integrated motor and there is its automobile |
| CN208754108U (en) * | 2018-10-19 | 2019-04-16 | 苏州瑞来特思机械设备有限公司 | A kind of explosion-proof power generator |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114362434A (en) * | 2021-12-25 | 2022-04-15 | 江苏沪磁智能科技有限公司 | Magnetic suspension rotor and immersed liquid cooling structure thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN111884483B (en) | 2022-07-22 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108462318B (en) | Motor cooling structure, power motor and electric drive system | |
| CN100338859C (en) | Synchronous machine for low temperature gas transfer connector with connecting superconductive coil rotator | |
| CN202405953U (en) | Permanent magnet motor with automatic control cooling system | |
| CN214998262U (en) | High-temperature shielding molten salt pump supported by magnetic suspension bearing | |
| JP6249905B2 (en) | Cryogenic liquid pump | |
| CN111884482B (en) | Superconducting motor with limiting and adjusting structure | |
| CN111884483B (en) | High-power-density superconducting motor with limiting structure | |
| CN102624121A (en) | Cooling structure for motor winding end part | |
| CN113202780A (en) | High-temperature shielding molten salt pump supported by magnetic suspension bearing | |
| JP2022094935A (en) | Rotating cooling system for wind turbine generator | |
| CN103629148A (en) | Horizontal self-cooling permanent magnet shield pump | |
| CN111884484B (en) | High-power-density superconducting motor with limiting and adjusting structure | |
| CN116317308B (en) | Cooling system of magnetic suspension motor and magnetic suspension bearingless pump | |
| CN207777625U (en) | Deep trouth water-cooled magnetic fluid seal device | |
| CN103370862A (en) | Rotor for an electric machine | |
| CN111271294A (en) | Water-cooled permanent magnet direct-drive slurry pump | |
| CN109327111B (en) | A kind of protection against electric shock water-cooled brushless motor, motor pump unit and high-pressure cleaning device | |
| CN111884485A (en) | High-power-density superconducting motor with adjusting structure | |
| CN216617802U (en) | Low-temperature compressor and super-flow helium low-temperature system | |
| CN109356862A (en) | A kind of high-efficiency energy-saving permanent magnet submersible pump | |
| KR101272900B1 (en) | Magnetic fluid sealed device which has a superconducting ratating machine many structure | |
| CN207069809U (en) | Totally-enclosed steam turbine and its integrated permanent-magnet generating set | |
| CN111425408A (en) | High-efficient heat dissipation integration disk brushless electronic pump | |
| US10738783B2 (en) | Cryogenic installation comprising a circulator | |
| CN117411244B (en) | Sectional multi-stage cooling water-filled permanent magnet submersible motor |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |