CN214429338U - Novel improve stator and rotor subassembly of tooth's socket torque - Google Patents
Novel improve stator and rotor subassembly of tooth's socket torque Download PDFInfo
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- CN214429338U CN214429338U CN202120043373.2U CN202120043373U CN214429338U CN 214429338 U CN214429338 U CN 214429338U CN 202120043373 U CN202120043373 U CN 202120043373U CN 214429338 U CN214429338 U CN 214429338U
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Abstract
The utility model belongs to the technical field of the motor part technique and specifically relates to a novel improve stator and rotor subassembly of tooth's socket torque, including stator towards the piece and set up the rotor punching at stator punching center, the stator is provided with around the wire casing that the rotor punching was arranged towards the piece inner circle interval, and wire casing port symmetry is provided with the pole shoe chamfer, and the contained angle between the close pole shoe chamfer in the adjacent wire casing is 15.5, and the rotor is provided with the magnetic shoe groove towards the piece upper interval, and the rotor is provided with the plane of cutting parallel with magnetic shoe groove top on the piece periphery. The utility model discloses increase the chamfer of specific angle on the pole shoe chamfer of stator punching sheet and in order to improve the sine degree of back electromotive force waveform, reduce the tooth's socket torque, back electromotive force waveform sine degree is very good, and harmonic content reduces by a wide margin, improves the electromagnetic noise and vibration and the efficiency of motor; the excircle of the rotor punching sheet is flattened at the position of the magnetic shoe groove and is parallel to the top of the magnetic shoe groove to form an uneven air gap, so that the cogging torque is weakened, the cogging torque is greatly reduced, and the noise and the vibration are reduced.
Description
Technical Field
The utility model belongs to the technical field of the motor part technique and specifically relates to a novel improve stator and rotor subassembly of tooth's socket torque.
Background
The ratio of the reluctance torque of the radial rotor tangential magnetic flux permanent magnet synchronous motor in the total electromagnetic torque of the motor can reach 40%, which is favorable for fully utilizing the reluctance torque, improving the power density of the motor and expanding the constant power operation range of the motor.
The existing permanent magnet motor with the radial rotor tangential magnetic flux has the defects of large cogging torque and large torque pulsation, so that the motor vibration and electromagnetic noise are large.
SUMMERY OF THE UTILITY MODEL
In order to overcome the big not enough of current motor vibration and electromagnetic noise, the utility model provides a novel improve stator and rotor subassembly of tooth's socket torque.
The utility model provides a technical scheme that its technical problem adopted is: the utility model provides a novel improve stator and rotor subassembly of cogging torque, includes stator punching and sets up the rotor punching at stator punching center, the stator punching circles the interval and is provided with around the wire casing that the rotor punching was arranged, and wire casing port symmetry is provided with the pole shoe chamfer, and the contained angle between the close pole shoe chamfer in the adjacent wire casing is 15.5, and the rotor punching is gone up the interval and is provided with the magnetic shoe groove, is provided with the shaving plane parallel with magnetic shoe groove top on the rotor punching periphery.
According to the utility model discloses a further embodiment, further include that the stator evenly is provided with four first mounting holes on the towards the piece outer lane, is provided with the second mounting hole between the first mounting hole, and first mounting hole diameter is greater than the second mounting hole diameter.
According to another embodiment of the utility model, further include that the stator punching sheet evenly is provided with twelve wire casing.
According to the utility model discloses a further include that the rotor punching sheet evenly is provided with fourteen magnetic shoe grooves, and the magnetic shoe groove is the rectangle structure.
According to the utility model discloses a another embodiment further includes that the rotor punching middle part is provided with the shaft hole, is provided with the constant head tank on the shaft hole is inside.
According to the utility model discloses a further embodiment, further include that the rotor is provided with the air that is connected with the magnetic shoe groove towards the piece inner circle and separate the magnetic groove, air separates the magnetic groove and corresponds the setting with the magnetic shoe groove.
According to the utility model discloses a further embodiment, further include and be provided with first connecting hole and second connecting hole between the magnetic shoe groove, first connecting hole is the circular port, and the second connecting hole is waist shape hole.
The utility model has the advantages that: the utility model discloses increase the chamfer of specific angle on the pole shoe chamfer of stator punching sheet and in order to improve the sine degree of back electromotive force waveform, reduce the tooth's socket torque, back electromotive force waveform sine degree is very good, and harmonic content reduces by a wide margin, improves the electromagnetic noise and vibration and the efficiency of motor; the excircle of the rotor punching sheet is flattened at the position of the magnetic shoe groove and is parallel to the top of the magnetic shoe groove to form an uneven air gap, so that the cogging torque is weakened, the cogging torque is greatly reduced, and the noise and the vibration are reduced.
Drawings
The present invention will be further explained with reference to the drawings and examples.
Fig. 1 is a schematic structural diagram of the present invention;
fig. 2 is a schematic structural diagram of a rotor sheet of the present invention;
fig. 3 is a schematic structural diagram of the stator punching sheet of the present invention.
In the figure, 1, a stator punching sheet, 2, a rotor punching sheet, 3, a wire slot, 4, a pole shoe chamfer, 5, a magnetic shoe slot, 6, a chamfer, 7, a first mounting hole, 8, a second mounting hole, 9, a shaft hole, 10, a positioning groove, 11, an air magnetism isolating slot, 12, a first connecting hole, 13 and a second connecting hole are arranged.
Detailed Description
Fig. 1 is the utility model discloses a structural schematic diagram, a novel improve stator and rotor subassembly of tooth's socket torque, including stator punching 1 with set up at the rotor punching 2 at stator punching 1 center, as shown in fig. 3, the interval is provided with around the wire casing 3 that rotor punching 2 arranged in stator punching 1, wire casing 3 port symmetry is provided with pole shoe chamfer 4, and the contained angle between the close pole shoe chamfer 4 in the adjacent wire casing 3 is 15.5, as shown in fig. 2, the interval is provided with magnetic shoe groove 5 on the rotor punching 2, is provided with the shaving plane 6 parallel with 5 tops in magnetic shoe groove on the rotor punching 2 periphery. The utility model discloses the pole shoe chamfer of stator punching 4 is gone up and is increased the chamfer of specific angle in order to improve the sine of back electromotive force waveform, reduces the tooth's socket torque, and back electromotive force waveform sine is very good, and harmonic content reduces by a wide margin, improves the electromagnetic noise and vibration and the efficiency of motor; the excircle of the rotor punching sheet is flattened at the position of the magnetic shoe release groove 5 and is parallel to the top of the magnetic shoe groove, namely a flattened surface 6, so that an uneven air gap is formed, the cogging torque is weakened, the cogging torque is greatly reduced, and the noise and the vibration are reduced.
As shown in fig. 3, four first mounting holes 7 are uniformly formed in the outer ring of the stator punching sheet 1, a second mounting hole 8 is formed between the first mounting holes 7, the diameter of each first mounting hole 7 is larger than that of each second mounting hole 8, and the first mounting holes 7 and the second mounting holes 8 are arranged so as to be convenient for calibration and increase fixing strength during installation.
As shown in fig. 3, twelve wire slots 3 are uniformly arranged on the stator punching sheet 1, and the wire slots 3 are used for winding copper wires on the stator punching sheet 1.
As shown in fig. 2, fourteen magnetic shoe grooves 5 are uniformly formed in the rotor punching sheet 2, each magnetic shoe groove 5 is of a rectangular structure, a shaft hole 9 is formed in the middle of the rotor punching sheet 2, a positioning groove 10 is formed in the shaft hole 9, an air magnetic isolation groove 11 connected with the magnetic shoe grooves 5 is formed in the inner ring of the rotor punching sheet 2, and the air magnetic isolation groove 11 and the magnetic shoe grooves 5 are correspondingly arranged.
Be provided with first connecting hole 12 and second connecting hole 13 between the magnetic shoe groove 5, first connecting hole 12 is the circular port, and second connecting hole 13 is waist shape hole.
Example (b): the pole shoe chamfer 4 of the stator punching sheet is added with a chamfer of a specific angle so as to improve the sine degree of a back electromotive force waveform, reduce the cogging torque, greatly reduce the sine degree of the back electromotive force waveform, greatly reduce the harmonic content and improve the electromagnetic noise, vibration and efficiency of the motor; the excircle of the rotor punching sheet is flattened at the position of the magnetic tile release groove 5 and is parallel to the top of the magnetic tile release groove to form an uneven air gap, so that the cogging torque is weakened, the cogging torque is greatly reduced, and the noise and the vibration are reduced.
The foregoing description is intended to be illustrative rather than limiting, and it will be appreciated by those skilled in the art that many modifications, variations or equivalents may be made without departing from the spirit and scope of the invention as defined in the appended claims.
Claims (7)
1. The utility model provides a novel improve stator and rotor subassembly of tooth's socket torque, characterized by, include stator towards piece (1) and set up rotor punching (2) at stator punching (1) center, the stator is provided with wire casing (3) around rotor punching (2) are arranged towards piece (1) inner circle at the interval, and wire casing (3) port symmetry is provided with pole shoe chamfer (4), and the contained angle between close pole shoe chamfer (4) in adjacent wire casing (3) is 15.5, and the interval is provided with magnetic shoe groove (5) on rotor punching (2), is provided with on rotor punching (2) the periphery with parallel shaving plane (6) in magnetic shoe groove (5) top.
2. The novel stator and rotor assembly for improving the cogging torque as claimed in claim 1, wherein four first mounting holes (7) are uniformly formed in the outer ring of the stator lamination (1), a second mounting hole (8) is formed between the first mounting holes (7), and the diameter of each first mounting hole (7) is larger than that of each second mounting hole (8).
3. The novel stator and rotor assembly for improving cogging torque as claimed in claim 1, wherein twelve wire slots (3) are uniformly formed on the stator punching sheet (1).
4. The novel stator and rotor assembly for improving the cogging torque as claimed in claim 1, wherein fourteen magnetic shoe grooves (5) are uniformly arranged on the rotor punching sheet (2), and the magnetic shoe grooves (5) are rectangular.
5. The novel stator and rotor assembly for improving cogging torque as claimed in claim 1, wherein a shaft hole (9) is formed in the middle of the rotor punching sheet (2), and a positioning groove (10) is formed inside the shaft hole (9).
6. The novel stator and rotor assembly for improving the cogging torque as claimed in claim 1, wherein an air magnetism isolating groove (11) connected with the magnetic shoe groove (5) is formed in the inner ring of the rotor sheet (2), and the air magnetism isolating groove (11) and the magnetic shoe groove (5) are correspondingly formed.
7. The novel stator and rotor assembly for improving cogging torque as claimed in claim 1, wherein a first connection hole (12) and a second connection hole (13) are formed between the magnetic shoe grooves (5), the first connection hole (12) is a circular hole, and the second connection hole (13) is a kidney-shaped hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120043373.2U CN214429338U (en) | 2021-01-08 | 2021-01-08 | Novel improve stator and rotor subassembly of tooth's socket torque |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120043373.2U CN214429338U (en) | 2021-01-08 | 2021-01-08 | Novel improve stator and rotor subassembly of tooth's socket torque |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214429338U true CN214429338U (en) | 2021-10-19 |
Family
ID=78055163
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120043373.2U Active CN214429338U (en) | 2021-01-08 | 2021-01-08 | Novel improve stator and rotor subassembly of tooth's socket torque |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214429338U (en) |
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2021
- 2021-01-08 CN CN202120043373.2U patent/CN214429338U/en active Active
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