CN212784923U - Rotor winding for permanent magnet synchronous motor - Google Patents
Rotor winding for permanent magnet synchronous motor Download PDFInfo
- Publication number
- CN212784923U CN212784923U CN202021500126.2U CN202021500126U CN212784923U CN 212784923 U CN212784923 U CN 212784923U CN 202021500126 U CN202021500126 U CN 202021500126U CN 212784923 U CN212784923 U CN 212784923U
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- permanent magnet
- rotor
- fixed plate
- synchronous motor
- rotor core
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Abstract
The utility model discloses a rotor winding for permanent magnet synchronous motor relates to rotor winding technical field, is not fine problem for solving current rotor winding result of use for permanent magnet synchronous motor. Including first fixed plate, the permanent magnet block is installed to one side of first fixed plate, and the permanent magnet block is provided with four, first fixed plate and permanent magnet block sealing connection, rotor core is installed to one side of permanent magnet block, and rotor core is provided with a plurality of, rotor core's inside is provided with the wire winding hole, and the wire winding hole is provided with a plurality of, two install the copper line between the wire winding hole, and the copper line is provided with a plurality of, the inboard in wire winding hole is provided with the slot, and the slot is provided with four, one side of slot top is provided with separates the magnetic air groove.
Description
Technical Field
The utility model relates to a rotor winding technical field specifically is a rotor winding for PMSM.
Background
The rotor winding for permanent magnet synchronous motor is generally a rotor winding provided with permanent magnets, the permanent magnet synchronous motor mainly comprises a rotor, an end cover, a stator and other parts, the stator structure of the permanent magnet synchronous motor is very similar to that of a common induction motor, the rotor structure is different from an asynchronous motor in that a high-quality permanent magnet magnetic pole is placed on the rotor, the permanent magnet synchronous motor is generally divided into a surface type rotor structure and a built-in type rotor structure according to the position of the permanent magnet on the rotor, the placement mode of the permanent magnet greatly influences the performance of the motor, the surface type rotor structure-the permanent magnet is positioned on the outer surface of a rotor iron core, the rotor structure is simple, the generated asynchronous torque is small, the rotor structure is only suitable for occasions with low starting requirements and is rarely applied, the built-in type rotor structure-the permanent magnet is positioned in the iron core between a conducting bar and a rotating shaft, the starting performance is good, and most of the permanent magnet synchronous motors at present adopt the structure.
However, the rotor winding for the existing permanent magnet synchronous motor has not good use effect; therefore, the existing requirements are not met, and a rotor winding for a permanent magnet synchronous motor is provided for the requirement.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a rotor winding for permanent magnet synchronous motor to it is not fine problem to provide current rotor winding result of use for permanent magnet synchronous motor in solving above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a rotor winding for PMSM, includes first fixed plate, the permanent magnet block is installed to one side of first fixed plate, and the permanent magnet block is provided with four, first fixed plate and permanent magnet block sealing connection, rotor core is installed to one side of permanent magnet block, and rotor core is provided with a plurality of, rotor core's inside is provided with the wire winding hole, and the wire winding hole is provided with a plurality of, two install the copper line between the wire winding hole, and the copper line is provided with a plurality of, the inboard in wire winding hole is provided with the slot, and the slot is provided with four, one side of slot top is provided with separates the magnetic air groove.
Preferably, the central point of the inside of first fixed plate puts and is provided with the fixed orifices, the inside intermediate position of rotor core is provided with the mounting hole, the second fixed plate is installed to rotor core's opposite side, one side of second fixed plate is provided with the spacing groove, the inside intermediate position of second fixed plate is provided with the jack.
Preferably, the inner side of the limiting groove is provided with four permanent magnet gaps.
Preferably, the rotor fan blade is installed on the other side of the second fixing plate, and the second fixing plate is connected with the rotor fan blade in a welding mode.
Preferably, the fixing hole, the mounting hole and the insertion hole are internally provided with a magnetism isolating material pipe.
Preferably, the magnetic material separating pipe is internally provided with a rotating shaft, one side of the rotating shaft is provided with a bearing, the inner side of the bearing is provided with a sealing ring, and the bearing is connected with the sealing ring in a sticking way.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the utility model discloses an at one side installation permanent magnet block of first fixed plate, installation permanent magnet block forms the magnetic field opposite with the stator, through setting up a plurality of wire winding holes on the rotor core, through installing the copper line between two wire winding holes, on the one hand the copper line plays the effect of binding a plurality of rotor cores, and the copper line forms the winding simultaneously, produces the magnetic line of force, drives the rotor rotation more easily, has effectively promoted the result of use of device;
2. the utility model discloses an install in the outside of pivot and separate magnetic material pipe, separate magnetic material pipe and play fine magnetism effect of separating, the magnetic flux that prevents the permanent magnet takes place the short circuit when passing through the pivot, when preventing simultaneously that the motor from rotating, the electromagnetic field of other devices influences rotor core and rotates, through a plurality of rotor fan pieces of a side-mounting at the second fixed plate, when the pivot rotates and drives the second fixed plate and rotate, rotor fan piece rotation can play fine radiating effect.
Drawings
Fig. 1 is a cross-sectional view of a rotor winding for a permanent magnet synchronous motor according to the present invention;
fig. 2 is a front view of the rotor core of the present invention;
fig. 3 is a front view of the second fixing plate of the present invention.
In the figure: 1. a first fixing plate; 2. a fixing hole; 3. a permanent magnet block; 4. a rotor core; 5. a wire winding hole; 6. a copper wire; 7. a slot; 8. mounting holes; 9. a second fixing plate; 10. a limiting groove; 11. a permanent magnet gap; 12. a jack; 13. a rotor fan blade; 14. a magnetic isolation material tube; 15. a rotating shaft; 16. a bearing; 17. a seal ring; 18. magnetic isolation air groove.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
Referring to fig. 1-3, the present invention provides an embodiment: the utility model provides a rotor winding for PMSM, including first fixed plate 1, permanent magnet block 3 is installed to one side of first fixed plate 1, and permanent magnet block 3 is provided with four, first fixed plate 1 and 3 sealing connection of permanent magnet block, it is inseparable to connect, be difficult to take place deformation, rotor core 4 is installed to one side of permanent magnet block 3, and rotor core 4 is provided with a plurality of, rotor core 4's inside is provided with wire winding hole 5, and wire winding hole 5 is provided with a plurality of, install copper line 6 between two wire winding holes 5, and copper line 6 is provided with a plurality of, wire winding hole 5's inboard is provided with slot 7, and slot 7 is provided with four, one side of slot 7 top is provided with separates magnetic air groove 18.
Further, a fixing hole 2 is formed in the center of the inside of the first fixing plate 1, a mounting hole 8 is formed in the middle of the inside of the rotor core 4, a second fixing plate 9 is mounted on the other side of the rotor core 4, a limiting groove 10 is formed in one side of the second fixing plate 9, a jack 12 is formed in the middle of the inside of the second fixing plate 9, and the jack 12 plays a role in limiting and fixing.
Further, the inner side of the limiting groove 10 is provided with four permanent magnet notches 11, and the four permanent magnet notches 11 play a role in limiting the permanent magnet block 3.
Furthermore, the rotor fan blade 13 is installed on the other side of the second fixing plate 9, the second fixing plate 9 is connected with the rotor fan blade 13 in a welding mode, the welding connection is good in air tightness and water tightness, the structural rigidity is high, the structural integrity is good, labor and time are saved, the sectional area of materials is not reduced, and the materials are fully utilized.
Further, the inside of the fixing hole 2, the mounting hole 8 and the insertion hole 12 are all provided with a magnetic isolation material tube 14, and the magnetic isolation material tube 14 can prevent the magnetic flux of the permanent magnet block 3 from generating short circuit when passing through the rotating shaft 15.
Furthermore, a rotating shaft 15 is installed inside the magnetism isolating material pipe 14, a bearing 16 is installed on one side of the rotating shaft 15, a sealing ring 17 is installed on the inner side of the bearing 16, the bearing 16 is connected with the sealing ring 17 in an adhering mode, and the sealing ring 17 on the inner wall of the bearing 16 plays a good anti-skidding role.
The working principle is as follows: when the rotor core is used, the rotor cores 4 are sealed and installed together, then copper wires 6 respectively penetrate through two adjacent winding holes 5 on the first fixing plate 1 to wind the rotor cores 4, the copper wires 6 play a role in binding the rotor cores 4, meanwhile, the copper wires 6 form windings to generate magnetic lines of force to drive the rotor to rotate more easily, then the four permanent magnet blocks 3 on the first fixing plate 1 are inserted into the four slots 7 on the rotor cores 4 and are connected in a sealing manner, then the permanent magnet notches 11 on the second fixing plate 9 are aligned with the four permanent magnet blocks 3 to be sealed and installed, after the installation is completed, the magnetism isolating material pipe 14 is inserted into the fixing hole 2 on the first fixing plate 1, the mounting hole 8 on the rotor core 4 and the jack 12 on the second fixing plate 9, the magnetism isolating material pipe 14 can prevent the magnetic flux of the permanent magnet blocks 3 from short circuit when passing through the rotating shaft 15, then the rotating shaft 15 is inserted into the magnetism isolating material pipe 14 to be fixed, finally, the bearing 16 is installed on one side of the rotating shaft 15, the sealing ring 17 on the inner wall of the bearing 16 plays a good anti-skidding role, and when the rotating shaft 15 rotates to drive the second fixing plate 9 to rotate, the rotor fan sheet 13 installed on one side of the second fixing plate 9 rotates to play a good heat dissipation effect.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (6)
1. A rotor winding for a permanent magnet synchronous motor comprises a first fixing plate (1), and is characterized in that: permanent magnet block (3) are installed to one side of first fixed plate (1), and permanent magnet block (3) are provided with four, first fixed plate (1) and permanent magnet block (3) sealing connection, rotor core (4) are installed to one side of permanent magnet block (3), and rotor core (4) are provided with a plurality of, the inside of rotor core (4) is provided with around line hole (5), and is provided with a plurality of, two around line hole (5) install copper line (6) between around line hole (5), and copper line (6) are provided with a plurality of, the inboard in line hole (5) is provided with slot (7), and slot (7) are provided with four, one side of slot (7) top is provided with separates magnetic air groove (18).
2. A rotor winding for a permanent magnet synchronous motor according to claim 1, characterized in that: the utility model discloses a rotor core, including first fixed plate (1), rotor core (4), second fixed plate (9) are installed to the inside central point of first fixed plate (1) puts and is provided with fixed orifices (2), the inside intermediate position of rotor core (4) is provided with mounting hole (8), second fixed plate (9) are installed to the opposite side of rotor core (4), one side of second fixed plate (9) is provided with spacing groove (10), the inside intermediate position of second fixed plate (9) is provided with jack (12).
3. A rotor winding for a permanent magnet synchronous motor according to claim 2, characterized in that: the inner side of the limiting groove (10) is provided with four permanent magnet notches (11), and the number of the permanent magnet notches (11) is four.
4. A rotor winding for a permanent magnet synchronous motor according to claim 2, characterized in that: and a rotor fan sheet (13) is arranged on the other side of the second fixing plate (9), and the second fixing plate (9) is connected with the rotor fan sheet (13) in a welding manner.
5. A rotor winding for a permanent magnet synchronous motor according to claim 2, characterized in that: and the magnetic isolation material pipes (14) are arranged in the fixing holes (2), the mounting holes (8) and the insertion holes (12).
6. The rotor winding for a permanent magnet synchronous motor according to claim 5, characterized in that: the utility model discloses a magnetic material pipe, including separate magnetism material pipe (14), the internally mounted of magnetism material pipe (14) has pivot (15), bearing (16) are installed to one side of pivot (15), sealing washer (17) are installed to the inboard of bearing (16), and bearing (16) are pasted with sealing washer (17) and are connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021500126.2U CN212784923U (en) | 2020-07-27 | 2020-07-27 | Rotor winding for permanent magnet synchronous motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021500126.2U CN212784923U (en) | 2020-07-27 | 2020-07-27 | Rotor winding for permanent magnet synchronous motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212784923U true CN212784923U (en) | 2021-03-23 |
Family
ID=75038993
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021500126.2U Active CN212784923U (en) | 2020-07-27 | 2020-07-27 | Rotor winding for permanent magnet synchronous motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212784923U (en) |
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2020
- 2020-07-27 CN CN202021500126.2U patent/CN212784923U/en active Active
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