CN117691777A - Synchronous reluctance motor with high-torque motor rotor structure - Google Patents
Synchronous reluctance motor with high-torque motor rotor structure Download PDFInfo
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- CN117691777A CN117691777A CN202410157669.5A CN202410157669A CN117691777A CN 117691777 A CN117691777 A CN 117691777A CN 202410157669 A CN202410157669 A CN 202410157669A CN 117691777 A CN117691777 A CN 117691777A
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- 230000001360 synchronised effect Effects 0.000 title claims abstract description 29
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 84
- 239000010959 steel Substances 0.000 claims abstract description 84
- 230000017525 heat dissipation Effects 0.000 claims abstract description 15
- 239000011261 inert gas Substances 0.000 claims abstract description 15
- 230000005540 biological transmission Effects 0.000 claims description 28
- 238000001816 cooling Methods 0.000 claims description 17
- 238000004804 winding Methods 0.000 claims description 14
- 230000007306 turnover Effects 0.000 claims description 11
- 230000008859 change Effects 0.000 abstract description 7
- 230000009471 action Effects 0.000 abstract description 4
- 238000010586 diagram Methods 0.000 description 6
- 238000006073 displacement reaction Methods 0.000 description 6
- 239000002826 coolant Substances 0.000 description 5
- 239000001307 helium Substances 0.000 description 4
- 229910052734 helium Inorganic materials 0.000 description 4
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 230000004907 flux Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 239000008358 core component Substances 0.000 description 1
- 230000005672 electromagnetic field Effects 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
Classifications
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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
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/64—Electric machine technologies in electromobility
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Abstract
The invention discloses a synchronous reluctance motor with a high torque motor rotor structure, which relates to the technical field of reluctance motors and comprises: the inner wall of the shell is embedded with a stator; a heat exchange structure for reducing the temperature inside the housing; further comprises: the rotor comprises a magnetic conduction steel block and a central shaft, wherein a plurality of magnetic conduction steel blocks are overlapped and sleeved on the central shaft, a plurality of magnetic resistance holes are formed in the magnetic conduction steel block along the radial direction of the magnetic conduction steel block, and the openings at the upper end and the lower end of the magnetic resistance holes are not on the same axis; the locking structure comprises a locking groove and an inserting block, wherein the locking groove is formed in the upper part of the magnetic conduction steel block, and the inserting block can rotate relative to the magnetic conduction steel block; in the invention, the insert blocks can passively lock the magnetic conductive steel blocks under the action of centrifugal force, and when the motor stops, each magnetic conductive steel block is mutually independent, so that the split design and disassembly of the magnetic conductive steel blocks are simpler, the flow of inert gas in the motor can be accelerated through the change of the insert blocks, and the heat dissipation of the rotor is facilitated.
Description
Technical Field
The invention relates to the technical field of reluctance motors, in particular to a synchronous reluctance motor with a high-torque motor rotor structure.
Background
The core components of the reluctance motor are a stator and a rotor, wherein an insulated enameled wire is wound on the stator and is used for generating an electromagnetic field for driving the motor to rotate, the rotor is arranged on a rotating shaft, as in a common motor, a small gap is reserved between the rotor and the stator, the rotor can freely rotate in the stator, the working principle of the reluctance motor is that the change of air gap reluctance between the stator and the rotor follows the 'minimum reluctance principle', the stator and the rotor are provided with raised tooth poles, and a coil is wound on the tooth poles of the stator and is used for providing an excitation winding of a working magnetic field for the motor. The magnetic flux is always closed along the path with minimum magnetic resistance, the tooth pole of the rotor has a tendency to rotate towards the central axis of the energized stator coil, and the attractive force between the tooth poles is utilized to pull the rotor to rotate, so that the rotor can be driven to rotate by sequential energization of the stator.
At present, in order to facilitate dynamic balance calibration of a rotor, a central shaft without a pin key is adopted, so that the angle of a magnetic steel sheet can be finely adjusted during assembly to meet the dynamic balance requirement, the magnetic steel sheet is two, one of the magnetic steel sheets is integrally formed by linear cutting or CNC processing, the magnetic steel sheet is directly sleeved on the central shaft, the magnetic steel sheet is high in stability, but because of the integrated arrangement, the magnetic steel sheet is stably connected with the central shaft, and thus, when the magnetic steel sheet is disassembled, the magnetic steel sheet is required to be integrally disassembled, and the disassembly is difficult; the other is that the magnetic conductive steel sheets are stacked and then sleeved on the central shaft of the motor, so that the motor can be disassembled step by step, the motor is convenient, but the connectivity between the magnetic conductive steel sheets is poor, and in long-term use, the phenomenon of inconsistent angle between the magnetic conductive steel sheets is easy to occur, so that negative effects such as torque reduction and speed reduction of the reluctance motor are caused.
Disclosure of Invention
The object of the present invention is to provide a synchronous reluctance motor having a high torque motor rotor structure, which solves the above-mentioned drawbacks of the prior art.
In order to achieve the above object, the present invention provides the following technical solutions: a synchronous reluctance motor having a high torque motor rotor structure, comprising:
the inner wall of the shell is embedded with a stator;
a heat exchange structure for reducing the temperature inside the housing;
further comprises:
the rotor comprises a magnetic conduction steel block and a central shaft, wherein a plurality of magnetic conduction steel blocks are overlapped and sleeved on the central shaft, a plurality of magnetic resistance holes are formed in the magnetic conduction steel block along the radial direction of the magnetic conduction steel block, and openings at the upper end and the lower end of the magnetic resistance holes are not on the same axis;
the locking structure comprises a locking groove and an inserting block, wherein the locking groove is formed in the upper part of the magnetic conduction steel block, and the inserting block can rotate relative to the magnetic conduction steel block;
when the rotor rotates, the insert blocks passively overturn, a locking position is arranged on the overturning stroke of the insert blocks, and the insert blocks are embedded into the locking grooves at the locking position, so that adjacent magnetic conduction steel blocks are locked.
Preferably, the heat exchange structure comprises a cooling cavity and a heat dissipation pipeline, wherein the cooling cavity is arranged at the tail part of the shell, and the heat dissipation pipeline is arranged in the cooling cavity.
Preferably, the shell is filled with inert gas.
Preferably, the locking structure further comprises an embedded frame, a centrifugal block, a connecting rod part and a transmission shaft, wherein the transmission shaft is rotationally connected in the embedded frame, the inserting block is fixedly arranged on the transmission shaft, the centrifugal block is slidingly connected in the embedded frame, and the centrifugal block is in transmission connection with the transmission shaft through the connecting rod part.
Preferably, the connecting rod part comprises a fixed block, a lifting column, a swing arm and a turnover block, wherein the turnover block is fixedly arranged on the transmission shaft, the fixed block is fixedly arranged in the embedded frame, the lifting column is slidably connected to the fixed block, one end of the swing arm is hinged to the turnover block, and the other end of the swing arm is hinged to the lifting column.
Preferably, an inclined plane is arranged on the centrifugal block, and the end face of the lifting column is matched with the inclined plane.
Preferably, the centrifugal block is inserted and connected with a guide column in a sliding manner, both ends of the guide column are fixedly arranged on the embedded frame, a first elastic piece is movably sleeved outside the guide column, and one end of the first elastic piece is abutted to the centrifugal block.
Preferably, in the locking position, the included angle between the insert block and the bottom surface of the magnetic conductive steel block is not less than 15 degrees.
Preferably, the stator comprises an outer fixed sleeve, tooth poles and windings, wherein the outer fixed sleeve is fixedly arranged on the inner wall of the shell, and a plurality of tooth poles are radially distributed by taking the outer fixed sleeve as the center.
Preferably, the windings are wound outside the tooth pole, and two windings opposite to each other with the central axis as the center are connected in series.
In the technical scheme, according to the synchronous reluctance motor with the high-torque motor rotor structure, when the rotor rotates, the insert blocks can be turned over passively under the action of centrifugal force, so that the multiple magnetic conduction steel blocks are fixed into a whole, the combination of the magnetic conduction steel blocks is more stable, when the rotor stops, the magnetic conduction steel blocks do not have a connection state, each magnetic conduction steel block can be detached in sequence independently, compared with the integral concentrated detachment, the split type design detachment of the magnetic conduction steel blocks is simpler, the flow of inert gas in the reluctance motor can be accelerated through the change of the state of the insert blocks during rotation, and the flow of the inert gas can be fully subjected to heat exchange with the cooling cavity, so that the heat dissipation of the rotor is facilitated.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings that are needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present invention, and other drawings may be obtained according to these drawings for a person having ordinary skill in the art.
FIG. 1 is a schematic diagram of the overall structure of a synchronous reluctance motor having a high torque motor rotor structure according to the present invention;
FIG. 2 is a schematic diagram of a heat exchange structure of a synchronous reluctance motor having a high torque motor rotor structure according to the present invention;
FIG. 3 is a schematic diagram of a synchronous reluctance motor rotor having a high torque motor rotor configuration according to the present invention;
FIG. 4 is an enlarged schematic view of the synchronous reluctance motor of FIG. 3 with a high torque motor rotor structure according to the present invention;
FIG. 5 is a schematic diagram of a synchronous reluctance motor rotor having a high torque motor rotor structure according to the present invention in a rotated state;
FIG. 6 is an enlarged schematic view of the structure of the synchronous reluctance motor of FIG. 5 with a rotor structure of the high torque motor according to the present invention;
FIG. 7 is a schematic diagram of a lower portion of a rotor of a synchronous reluctance motor having a rotor structure of a high torque motor according to the present invention in a self-locking state;
FIG. 8 is an enlarged schematic view of the synchronous reluctance motor of FIG. 7 with a high torque motor rotor structure according to the present invention;
FIG. 9 is a schematic diagram of a heat dissipating tubing for a synchronous reluctance motor having a high torque motor rotor structure according to the present invention;
fig. 10 is a schematic structural view of a locking structure of a synchronous reluctance motor having a rotor structure of a high torque motor according to the present invention.
Reference numerals illustrate:
1. a housing; 2. an outer fixing sleeve; 3. tooth poles; 4. a winding; 5. a central shaft; 6. a magnetic conductive steel block; 61. a locking groove; 62. a groove; 63. a magnetoresistive hole; 7. a heat exchange structure; 71. a cooling cavity; 72. a heat dissipation pipe; 8. a locking structure; 81. an embedded frame; 82. inserting blocks; 83. a centrifugal block; 831. a guide post; 832. a first elastic member; 84. a fixed block; 85. lifting columns; 86. swing arms; 87. a transmission shaft; 88. a turnover block; 89. and a second elastic member.
Detailed Description
In order to make the technical scheme of the present invention better understood by those skilled in the art, the present invention will be further described in detail with reference to the accompanying drawings.
Referring to fig. 1 to 10, a synchronous reluctance motor having a high torque motor rotor structure according to an embodiment of the present invention includes:
the stator is embedded in the inner wall of the shell 1;
a heat exchange structure 7 for reducing the temperature inside the housing 1;
further comprises:
the rotor comprises a magnetic conduction steel block 6 and a central shaft 5, wherein a plurality of magnetic conduction steel blocks 6 are overlapped and sleeved on the central shaft 5, a plurality of magnetic resistance holes 63 are formed in the magnetic conduction steel block 6 along the radial direction of the magnetic conduction steel block, and openings at the upper end and the lower end of the magnetic resistance holes 63 are not on the same axis;
the locking structure 8 comprises a locking groove 61 and an inserting block 82, wherein the locking groove 61 is formed in the upper part of the magnetic conduction steel block 6, and the inserting block 82 can rotate relative to the magnetic conduction steel block 6;
when the rotor rotates, the insert block 82 passively turns over, a locking position is provided on the turning stroke of the insert block 82, and in the locking position, the insert block 82 is embedded into the locking groove 61, and the adjacent magnetic steel blocks 6 are locked.
The heat exchange structure 7 is arranged at the tail part of the shell 1, and a sealed space is isolated in the shell 1, and the cooling medium absorbs heat and is discharged again after being input by an external cooling medium, so that the working temperature of the reluctance motor is reduced;
the magnetic resistance holes 63 penetrate through the whole magnetic conduction steel block 6, and after the magnetic conduction steel blocks 6 are spliced, the adjacent magnetic resistance holes 63 are in a communicated state, so that magnetic flux reaches saturation through the magnetic resistance holes 63 to limit magnetic leakage;
the magnetic conduction steel blocks 6 are tightly matched with the central shaft 5, and after the magnetic conduction steel blocks 6 are overlapped, the central shaft 5 subjected to low-temperature treatment penetrates through the magnetic conduction steel blocks 6, so that stability between the magnetic conduction steel blocks 6 and the central shaft 5 is ensured at normal temperature and high temperature, and pin key processing is not required to be carried out on the central shaft 5 during processing, so that dynamic balance adjustment can be more conveniently carried out during assembly of the magnetic conduction steel blocks 6 and the central shaft 5;
the multiunit locking structure 8 evenly distributed is on magnetic conduction steel piece 6, guarantee like this that magnetic conduction steel piece 6 multi-direction atress is even, when carrying out high-speed rotation, insert 82 compares in magnetic conduction steel piece 6 and can carry out the upset of angle, when the rotor is rotatory, insert 82 can passive upset under the effect of centrifugal force, in the locking groove 61 can be embedded to the one end of insert 82, like this in the high-speed rotation in-process, polylith magnetic conduction steel piece 6 is fixed as a whole, avoid the change of angle to appear between the magnetic conduction steel piece 6, make magnetic conduction steel piece 6 combine more stable like this, and after the rotor stall, insert 82 will break away from locking groove 61, insert 82 breaks away from in the magnetic conduction steel piece 6 that is adjacent, carry out the unblock again like this between the magnetic conduction steel piece 6 that is adjacent, if when appearing some magnetic conduction steel piece 6 damages, because there is not connected state between the magnetic conduction steel piece 6 in the state of going on in order, like this, can be alone to each magnetic conduction steel piece 6 dismantlement in proper order, compare integral concentrated dismantlement, magnetic conduction steel piece 6 split type design dismantlement is simpler.
The heat exchange structure 7 comprises a cooling cavity 71 and a heat dissipation pipeline 72, wherein the cooling cavity 71 is arranged at the tail part of the shell 1, and the heat dissipation pipeline 72 is arranged in the cooling cavity 71. The cooling cavity 71 can be separated in the shell 1 through the partition plate, the heat dissipation pipeline 72 is connected with external cooling medium, the cooling medium is conveyed into the cooling cavity 71 through the heat dissipation pipeline 72, and the cooling medium is continuously circulated through the heat dissipation pipeline 72, so that the aim of reducing the temperature of the reluctance motor can be fulfilled.
The housing 1 is filled with an inert gas. The heat dissipation of the reluctance motor is very important, but the rotor and the shell 1 are only contacted through the central shaft 5, and the heat exchange of the rotor and the shell is obviously insufficient, so that in the use of the reluctance motor, the heat dissipation of the rotor is relatively difficult, the inert gas is filled in the shell 1, the inert gas is helium, the heat conductivity coefficient of the helium is 0.15W/(m.K) under normal pressure, the heat conductivity coefficient of the air is about 0.026W/(m.K), and the heat conduction is increased by filling the helium in the shell 1, so that even if the cooling cavity 71 is arranged at one end of the reluctance motor, the heat dissipation of the rotor can be accelerated by the heat conduction of the helium.
Referring to fig. 10, the locking structure 8 further includes an embedded frame 81, a centrifugal block 83, a connecting rod portion, and a transmission shaft 87, wherein the transmission shaft 87 is rotatably connected in the embedded frame 81, the insert block 82 is fixedly mounted on the transmission shaft 87, the centrifugal block 83 is slidably connected in the embedded frame 81, and the centrifugal block 83 and the transmission shaft 87 are in transmission connection through the connecting rod portion. The magnetic conductive steel block 6 is provided with a groove 62, and the embedded frame 81 is embedded in the groove 62.
Through seting up recess 62 on magnetic conduction steel piece 6, the embedded frame 81 can install in recess 62, transmission shaft 87 rotates to be connected on the embedded frame 81, transmission shaft 87 can rotate for magnetic conduction steel piece 6 like this, and transmission shaft 87 is perpendicular to center pin 5, centrifugal piece 83 sliding connection is in embedded frame 81, it can carry out the displacement along the axial of transmission shaft 87, carry out high-speed rotation at magnetic conduction steel piece 6, centrifugal piece 83 receives centrifugal force, it can carry out the displacement towards the direction of keeping away from center pin 5, in this way, centrifugal piece 83 can drive connecting rod portion and move, connecting rod portion can drive transmission shaft 87 and insert 82 fixed connection, insert 82 can drive simultaneously when transmission shaft 87 rotates and overturn, insert 82 will overturn towards adjacent magnetic conduction steel piece 6, insert 82 will imbed in the locking groove 61 of seting up on the adjacent magnetic conduction steel piece 6 like this, adjacent magnetic conduction steel piece 6 combines as a whole, stability when rotor rotation has been improved.
The connecting rod portion includes fixed block 84, lifting column 85, swing arm 86 and upset piece 88, upset piece 88 fixed mounting on transmission shaft 87, fixed block 84 fixed mounting is in embedded frame 81, lifting column 85 sliding connection is on fixed block 84, the one end of swing arm 86 articulates on upset piece 88, the other end of swing arm 86 articulates on lifting column 85.
The fixed block 84 is fixed on the inner wall of the embedded frame 81, the overturning block 88 and the transmission shaft 87 are fixedly installed, so that the overturning block 88 can synchronously drive the transmission shaft 87 to correspondingly rotate when rotating, the overturning block 88 and the lifting column 85 can be connected together through the swing arm 86, and the lifting column 85 is slidably inserted on the fixed block 84, so that the lifting column 85 can only displace along the axial direction of the lifting column 85, the centrifugal block 83 is subjected to centrifugal force to displace, the centrifugal block 83 can extrude the lifting column 85, the lifting column 85 displaces towards the direction of the swing arm 86, the swing arm 86 applies force to the overturning block 88 after being stressed, the overturning block 88 can overturn, the synchronous transmission shaft 87 can overturn and drive the inserting block 82 to overturn through the centrifugal force, and the inserting block 82 can be smoothly embedded into the locking groove 61.
Referring to fig. 10, a second elastic member 89 is disposed on the lifting column 85, and after the centrifugal block 83 is reset, the insert block 82 can be synchronously driven to reset by the rebound of the second elastic member 89.
Referring to fig. 10, the centrifugal block 83 is provided with a slope, and the end surface of the lifting column 85 is adapted to the slope.
Through set up the inclined plane on centrifugal piece 83 to the inclined plane of lifting column 85 and centrifugal piece 83 carries out the adaptation, sliding connection between lifting column 85 and the centrifugal piece 83, like this, when centrifugal piece 83 outwards carries out the displacement, the inclined plane can extrude lifting column 85 and carry out the displacement, guarantees that lifting column 85 carries out the displacement along its axial, can drive the change of inserting piece 82 carries out the angle through the displacement of lifting column 85 in step, in order to realize at the high-speed rotatory in-process of rotor, the passive locking to adjacent magnetic conduction steel piece 6.
Referring to fig. 10, a guiding post 831 is slidably inserted into the centrifugal block 83, two ends of the guiding post 831 are fixedly mounted on the embedded frame 81, a first elastic member 832 is movably sleeved on the outside of the guiding post 831, and one end of the first elastic member 832 abuts against the centrifugal block 83.
The guide post 831 is perpendicular to the center shaft 5, limit the centrifugal block 83 through the guide post 831, when the centrifugal block 83 receives centrifugal force, the centrifugal block 83 can move towards the direction away from the center shaft 5, the first elastic piece 832 always applies a thrust towards the direction of the center shaft 5 to the centrifugal block 83, the centrifugal block 83 can extrude the first elastic piece 832 under the centrifugal force action of the centrifugal block 83, the first elastic piece 832 compresses, so that the centrifugal block 83 can smoothly displace, and when the rotor stops, the centrifugal block 83 resets under the elastic action of the first elastic piece 832. The automatic resetting of the insert blocks 82 and the mutual independence of the magnetic conduction steel blocks 6 are realized when the rotor stops rotating.
Referring to fig. 7 and 8, in the locked position, the angle between the insert 82 and the bottom surface of the magnetically permeable steel block 6 is not less than 15 degrees. In the above description, the inert gas is used to improve the heat exchange between the cooling cavity 71 and the rotor, but the mobility of the inert gas in the housing 1 is poor, so that the heat exchange efficiency is limited, by the arrangement of the turnover block 88, the turnover block 88 disposed on the magnetic conductive steel block 6 closest to the tail part can perform angular turnover when the rotor rotates at high speed, at this time, during the high-speed rotation of the rotor, the inert gas forms a larger pressure between the turnover block 88 and the magnetic conductive steel block 6, the inert gas has a tendency to flow into the center of the magnetic conductive steel block 6, so that the pressure in the middle of the magnetic conductive steel block 6 is necessarily increased, the inert gas can be pressed into the magnetic resistance hole 63 and conveyed to the front end of the housing 1 through the magnetic resistance hole 63, after the pressure in the front end of the housing 1 is increased, the inert gas can return to the rear end of the housing 1 again through the magnetic resistance gap between the stator and the rotor, so that the inert gas flow is formed, the mobility is increased, and the cooling cavity 71 can perform heat exchange better, so that the cooling effect on the rotor is achieved.
Referring to fig. 1, the stator includes an outer fixed sleeve 2, teeth 3 and windings 4, the outer fixed sleeve 2 is fixedly mounted on the inner wall of the casing 1, and the teeth 3 are radially distributed with the outer fixed sleeve 2 as a center. The windings 4 are wound outside the tooth pole 3, and two windings 4 facing each other with the center axis 5 as the center are connected in series. The included angle between the two symmetrical windings 4 is 180 degrees, a magnetic field is generated when the windings 4 are electrified, and the magnetic conduction steel block 6 rotates to reach the state closest to the tooth pole 3 because the change of the air gap magnetic resistance between the stator and the rotor follows the magnetic resistance minimum principle, and the magnetic conduction steel block 6 chases the change of the magnetic field by electrifying the next group of windings 4 so as to realize the rotation of the rotor.
While certain exemplary embodiments of the present invention have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that modifications may be made to the described embodiments in various different ways without departing from the spirit and scope of the invention. Accordingly, the drawings and description are to be regarded as illustrative in nature and not as restrictive of the scope of the invention, which is defined by the appended claims.
Claims (10)
1. A synchronous reluctance motor having a high torque motor rotor structure, comprising:
the stator is embedded in the inner wall of the shell (1);
-a heat exchange structure (7) for reducing the temperature inside the housing (1);
characterized by further comprising:
the rotor comprises magnetic conduction steel blocks (6) and a central shaft (5), wherein the magnetic conduction steel blocks (6) are overlapped and sleeved on the central shaft (5), a plurality of magnetic resistance holes (63) are formed in the magnetic conduction steel blocks (6) along the radial direction of the magnetic conduction steel blocks, and openings at the upper end and the lower end of the magnetic resistance holes (63) are not on the same axis;
the locking structure (8) comprises a locking groove (61) and an inserting block (82), wherein the locking groove (61) is formed in the upper part of the magnetic conduction steel block (6), and the inserting block (82) can rotate relative to the magnetic conduction steel block (6);
when the rotor rotates, the insert block (82) passively overturns, a locking position is arranged on the overturning stroke of the insert block (82), and the insert block (82) is embedded into the locking groove (61) at the locking position, so that adjacent magnetic conduction steel blocks (6) are locked.
2. A synchronous reluctance machine with high-torque motor rotor structure according to claim 1, characterized in that the heat exchange structure (7) comprises a cooling cavity (71) and a heat dissipation duct (72), the cooling cavity (71) being arranged at the tail of the housing (1), the heat dissipation duct (72) being arranged in the cooling cavity (71).
3. Synchronous reluctance machine with high torque motor rotor structure according to claim 2, characterized in that the housing (1) is filled with inert gas.
4. The synchronous reluctance motor with the high-torque motor rotor structure according to claim 1, wherein the locking structure (8) further comprises an embedded frame (81), a centrifugal block (83), a connecting rod part and a transmission shaft (87), the transmission shaft (87) is rotatably connected in the embedded frame (81), the inserting block (82) is fixedly arranged on the transmission shaft (87), the centrifugal block (83) is slidably connected in the embedded frame (81), and the centrifugal block (83) and the transmission shaft (87) are in transmission connection through the connecting rod part.
5. The synchronous reluctance motor with the high-torque motor rotor structure according to claim 4, wherein the connecting rod part comprises a fixed block (84), a lifting column (85), a swing arm (86) and a turnover block (88), the turnover block (88) is fixedly installed on a transmission shaft (87), the fixed block (84) is fixedly installed in an embedded frame (81), the lifting column (85) is slidably connected on the fixed block (84), one end of the swing arm (86) is hinged on the turnover block (88), and the other end of the swing arm (86) is hinged on the lifting column (85).
6. Synchronous reluctance machine with high-torque motor rotor structure according to claim 5, characterized in that the centrifugal block (83) is provided with a bevel, the end face of the lifting column (85) being adapted to the bevel.
7. The synchronous reluctance motor with the high-torque motor rotor structure according to claim 4, wherein the centrifugal block (83) is slidably inserted with a guide post (831), both ends of the guide post (831) are fixedly installed on the embedded frame (81), a first elastic piece (832) is movably sleeved outside the guide post (831), and one end of the first elastic piece (832) is abutted against the centrifugal block (83).
8. A synchronous reluctance machine with high torque motor rotor structure according to claim 1, characterized in that in the locked position the angle between the insert block (82) and the bottom surface of the magnetically conductive steel block (6) is not less than 15 degrees.
9. A synchronous reluctance machine with high torque motor rotor structure according to claim 1, characterized in that the stator comprises an outer fixed sleeve (2), teeth (3) and windings (4), the outer fixed sleeve (2) is fixedly mounted on the inner wall of the housing (1), and a plurality of the teeth (3) are radially distributed with the outer fixed sleeve (2) as the center.
10. A synchronous reluctance machine with high-torque motor rotor structure according to claim 9, characterized in that the windings (4) are wound outside the teeth (3), in series between two windings (4) opposite each other centered on the central axis (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410157669.5A CN117691777B (en) | 2024-02-04 | 2024-02-04 | Synchronous reluctance motor with high-torque motor rotor structure |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410157669.5A CN117691777B (en) | 2024-02-04 | 2024-02-04 | Synchronous reluctance motor with high-torque motor rotor structure |
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| Publication Number | Publication Date |
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| CN117691777A true CN117691777A (en) | 2024-03-12 |
| CN117691777B CN117691777B (en) | 2024-04-16 |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103490670A (en) * | 2012-06-13 | 2014-01-01 | 战家富 | Magnetomotive speed increaser |
| CN107520484A (en) * | 2017-10-25 | 2017-12-29 | 浙江鸿安建设有限公司 | A kind of torque limiter driven based on steel ball for building electric drilling device |
| CN115021442A (en) * | 2022-06-09 | 2022-09-06 | 珠海格力电器股份有限公司 | Rotor assembly and motor |
-
2024
- 2024-02-04 CN CN202410157669.5A patent/CN117691777B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103490670A (en) * | 2012-06-13 | 2014-01-01 | 战家富 | Magnetomotive speed increaser |
| CN107520484A (en) * | 2017-10-25 | 2017-12-29 | 浙江鸿安建设有限公司 | A kind of torque limiter driven based on steel ball for building electric drilling device |
| CN115021442A (en) * | 2022-06-09 | 2022-09-06 | 珠海格力电器股份有限公司 | Rotor assembly and motor |
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| Publication number | Publication date |
|---|---|
| CN117691777B (en) | 2024-04-16 |
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