A motor rotor

Abstract

The utility model relates to a rotor, and in particular to a motor rotor. A motor rotor comprises a first rotor, wherein the first rotor comprises a first central axis, a first rotor body, a first axial hole opened at the center of the first rotor body, a plurality of first perforation groups opened on the first rotor body, a plurality of second perforation groups opened on the first rotor body, and a first outer edge surrounding the periphery of the first rotor body. The purpose of the utility model is to provide a motor rotor that can further improve the efficiency, power density and reliability of the motor.

Description

Technical Field

[0001] The utility model relates to a rotor, in particular to a motor rotor. Background Art

[0002] Electric motors are devices that convert electrical energy into mechanical energy and are widely used in various industrial and household fields. The core components of electric motors are stators and rotors. The existing small motor stator and rotor structures have certain limitations and problems in practical applications, such as low efficiency, high heat generation, high noise, and short life.

[0003] In order to improve the performance of the motor, many researchers and engineers have conducted a lot of research and improvements on the stator and rotor structure of the motor. The rotor assembly in the currently disclosed CN112564343 A includes a first rotor. The first rotor includes a first central axis, a first rotor body, a first axial hole, a plurality of first perforation groups, a plurality of second perforation groups and a first outer edge. The plurality of first perforation groups surround the first central axis and are arranged in intervals. The plurality of second perforation groups surround the first central axis and are arranged in intervals. One of the second perforation groups is arranged between two adjacent first perforation groups. A first cross axis is defined between the adjacent first perforation groups and the second perforation groups. The first perforation group defines a first straight axis, and the second perforation group defines a second straight axis. The first outer edge includes a plurality of first sections corresponding to the first cross axis, a plurality of second sections corresponding to the first straight axis, and a plurality of third sections corresponding to the second straight axis. The plurality of first sections are arranged protruding relative to the first rotor body. In this way, the effect of enhancing the magnetic resistance torque is achieved.

[0004] However, although certain achievements have been made, there are still some problems, such as the unsatisfactory magnetic field coupling between the stator and the rotor, large rotor losses, and the impact of magnetic field changes during motor startup and operation on motor performance. Utility Model Content

[0005] In view of this, the utility model provides a motor rotor, the purpose of which is to provide a motor rotor that can further improve the efficiency, power density and reliability of the motor.

[0006] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0007] A motor rotor comprises a first rotor, wherein the first rotor comprises a first central axis, a first rotor body, a first axial hole opened at the center of the first rotor body, a plurality of first perforation groups opened on the first rotor body, a plurality of second perforation groups opened on the first rotor body, and a first outer edge surrounding the periphery of the first rotor body; wherein the plurality of first perforation groups surround the first central axis and are arranged in an interval, the plurality of second perforation groups surround the first central axis and are arranged in an interval, and one of the plurality of second perforation groups is arranged between two adjacent first perforation groups of the plurality of first perforation groups; wherein each of the first perforation groups comprises A first through hole and a second through hole are symmetrically arranged along the diameter of the first rotor body, and a third through hole is located between the first through hole and the second through hole and is arranged perpendicular to the diameter of the first rotor body, and the first through hole, the second through hole and the third through hole form an isosceles triangle; wherein each of the second through hole groups includes a fourth through hole and a fifth through hole are symmetrically arranged along the diameter of the first rotor body, and a sixth through hole is located between the fourth through hole and the fifth through hole and is arranged perpendicular to the diameter of the first rotor body, and the fourth through hole, the fifth through hole and the sixth through hole form an isosceles triangle; the first through hole group can accommodate a first magnetic element group, and the second through hole group can accommodate a second magnetic element group; wherein each of the first magnetic element groups includes a first magnetic element, a second magnetic element and a third magnetic element, and each of the second magnetic element groups includes a fourth magnetic element, a fifth magnetic element and a sixth magnetic element; wherein the first through-hole can accommodate the first magnetic element, the second through-hole can accommodate the second magnetic element, the third through-hole can accommodate the third magnetic element, the fourth through-hole can accommodate the fourth magnetic element, the fifth through-hole can accommodate the fifth magnetic element, and the sixth through-hole can accommodate the sixth magnetic element; the second rotor includes a second central axis, a second rotor body, a second axial hole opened at the center position of the second rotor body, and a plurality of through-holes opened at the second rotor body. a third perforation group on the second rotor body, a plurality of fourth perforation groups opened on the second rotor body, and a second outer edge surrounding the periphery of the second rotor body; wherein the plurality of third perforation groups surround the second central axis and are arranged in intervals, the plurality of fourth perforation groups surround the second central axis and are arranged in intervals, and one of the plurality of fourth perforation groups is arranged between two adjacent third perforation groups of the plurality of third perforation groups; wherein each of the second rotors is composed of a plurality of second sheet structures stacked in sequence, and each of the second sheet structures includes the second central axis, the second rotor body, the second axial hole, the third perforation group, the fourth perforation group, and the second outer edge;The third perforation group corresponds to the first perforation group, and the fourth perforation group corresponds to the second perforation group. The first perforation group and the third perforation group can accommodate a first magnetic element group, and the second perforation group and the fourth perforation group can accommodate a second magnetic element group; each of the third perforation groups includes a seventh perforation and an eighth perforation symmetrically arranged along the diameter of the second rotor body, and a ninth perforation located between the seventh perforation and the eighth perforation and perpendicular to the diameter of the second rotor body. The seventh perforation, the eighth perforation and the ninth perforation form a The fourth through-hole group includes a tenth through-hole and an eleventh through-hole symmetrically arranged along the diameter of the second rotor body, and a twelfth through-hole located between the tenth through-hole and the eleventh through-hole and arranged perpendicular to the diameter of the second rotor body, and the tenth through-hole, the eleventh through-hole and the twelfth through-hole form an isosceles triangle; wherein the first through-hole and the seventh through-hole can accommodate the first magnetic element, the second through-hole and the eighth through-hole can accommodate the second magnetic element, and the third through-hole and the ninth through-hole can accommodate the third magnetic element. The magnetic element is a magnetic element, wherein the fourth through hole and the tenth through hole can accommodate the fourth magnetic element, the fifth through hole and the eleventh through hole can accommodate the fifth magnetic element, and the sixth through hole and the twelfth through hole can accommodate the sixth magnetic element; and further comprises two third rotors, wherein the third rotor comprises a third central axis, a third rotor body, a third axial hole opened at the center position of the third rotor body, a plurality of fifth through hole groups opened on the third rotor body, a plurality of sixth through hole groups opened on the third rotor body, and a third outer edge surrounding the periphery of the third rotor body. ; wherein, the plurality of the fifth perforation groups surround the third central axis and are arranged in intervals, the plurality of the sixth perforation groups surround the third central axis and are arranged in intervals, and one of the plurality of the sixth perforation groups is arranged between two adjacent fifth perforation groups of the plurality of the fifth perforation groups; wherein, each of the third rotors is composed of a plurality of third sheet structures stacked in sequence, and each of the third sheet structures includes the third central axis, the third rotor body, the third shaft hole, the fifth perforation group, the sixth perforation group and the third outer edge. ;

[0008] Preferably, the first rotor is composed of a plurality of first sheet structures stacked in sequence, and each of the first sheet structures includes the first central axis, the first rotor body, the first axial hole, the first perforation group, the second perforation group and the first outer edge.

[0009] Preferably, the fifth perforation group corresponds to the third perforation group and the first perforation group, the sixth perforation group corresponds to the fourth perforation group and the second perforation group, the first perforation group, the third perforation group and the fifth perforation group can accommodate a first magnetic element group, the second perforation group, the fourth perforation group and the sixth perforation group can accommodate a second magnetic element group; each of the fifth perforation groups includes a thirteenth perforation and a fourteenth perforation symmetrically arranged along the diameter of the third rotor body, and a fifteenth perforation located between the thirteenth perforation and the fourteenth perforation and symmetrically arranged perpendicular to the diameter of the third rotor body, the thirteenth perforation, the fourteenth perforation and the fifteenth perforation forming an isosceles triangle; each of the sixth perforation groups includes a sixteenth perforation and a fourteenth perforation symmetrically arranged along the diameter of the third rotor body, a seventeenth through-hole and an eighteenth through-hole located between the sixteenth through-hole and the seventeenth through-hole and symmetrically arranged perpendicular to the diameter of the third rotor body, the sixteenth through-hole, the seventeenth through-hole and the eighteenth through-hole form an isosceles triangle; wherein the first through-hole, the seventh through-hole and the thirteenth through-hole can accommodate the first magnetic element, the second through-hole, the eighth through-hole and the fourteenth through-hole can accommodate the second magnetic element, the third through-hole, the ninth through-hole and the fifteenth through-hole can accommodate the third magnetic element, the fourth through-hole, the tenth through-hole and the sixteenth through-hole can accommodate the fourth magnetic element, the fifth through-hole, the eleventh through-hole and the seventeenth through-hole can accommodate the fifth magnetic element, and the sixth through-hole, the twelfth through-hole and the eighteenth through-hole can accommodate the sixth magnetic element.

[0010] Preferably, it also includes a stator assembly, which includes a stator and a plurality of coils arranged on the stator, and the stator includes an annular disc structure and a plurality of tooth structures arranged on the annular disc structure, wherein the plurality of tooth structures surround a central axis of the annular disc structure and are connected by short arcs located on the same circumference and are arranged in an interval, and the plurality of tooth structures extend from the annular disc structure toward the central axis, and the plurality of coils are respectively correspondingly sleeved on the tooth structures, and the stator is composed of a plurality of stator sheets stacked in sequence.

[0011] Preferably, the first rotor is sleeved on the rotating shaft, the two second rotors are correspondingly sleeved on the rotating shaft and are adjacently and symmetrically arranged on both sides of the first rotor along the radial center plane of the first rotor, the two third rotors are correspondingly sleeved on the rotating shaft and are adjacently and symmetrically arranged on both sides of the two second rotors along the radial center plane of the first rotor, and the stator assembly is sleeved through the periphery of the first rotor, the second rotor and the third rotor; wherein, the second rotor is sleeved on the rotating shaft and is radially offset by 2.5° compared with the first rotor, the third rotor is sleeved on the rotating shaft and is radially offset by 2.5° compared with the second rotor, and the first rotor, the second rotor and the third rotor form 5 sections of V-shaped oblique poles after the corresponding installation is completed.

[0012] Preferably, the first magnetic element, the second magnetic element, the third magnetic element, the fourth magnetic element, the fifth magnetic element and the sixth magnetic element are all permanent magnets.

[0013] The beneficial effects of the utility model are:

[0014] 1. The utility model includes a first rotor, which includes a first central axis, a first rotor body, a first axial hole opened at the center of the first rotor body, a plurality of first perforation groups opened on the first rotor body, a plurality of second perforation groups opened on the first rotor body, and a first outer edge surrounding the periphery of the first rotor body, the plurality of first perforation groups surround the first central axis and are arranged in intervals, the plurality of second perforation groups surround the first central axis and are arranged in intervals, and one of the plurality of second perforation groups is arranged between two adjacent first perforation groups of the plurality of first perforation groups, and this arrangement can reduce eddy current loss and thus reduce the loss during motor operation and improve the working efficiency of the motor by performing a unique structural design of the number of slots, shape, size, etc. on the first rotor; each first perforation group includes a first perforation and a second perforation symmetrically arranged along the diameter of the first rotor body, and a third perforation located between the first perforation and the second perforation and perpendicular to the diameter of the first rotor body, the first perforation, the second perforation and the third perforation form an isosceles triangle, and each second perforation group The invention comprises a fourth through hole and a fifth through hole which are symmetrically arranged along the diameter of the first rotor body, and a sixth through hole which is located between the fourth through hole and the fifth through hole and is arranged perpendicular to the diameter of the first rotor body. The fourth through hole, the fifth through hole and the sixth through hole form an isosceles triangle. When the magnetic element group is correspondingly accommodated therein by designing the triangular structure of the first rotor through hole group, firstly, the design of the triangular structure of the first rotor through hole group can provide a more uniform magnetic field distribution, optimize the magnetic field distribution, reduce magnetic flux leakage, and thus improve the magnetic field utilization rate of the motor. Secondly, due to the optimization of the magnetic field distribution, the design of the triangular structure of the first rotor through hole group can reduce iron loss and eddy current loss, thereby reducing the loss of the motor and improving the operating efficiency of the motor. Furthermore, the design of the triangular structure of the first rotor through hole group can reduce the harmonic component generated by the magnetic field, reduce the excitation force of the magnetic field on the stator and the rotor, and thus reduce the noise and vibration of the motor. Finally, the design of the triangular structure of the first rotor through hole group can increase the heat dissipation surface area, improve the heat dissipation efficiency, and help reduce the temperature rise inside the motor, thereby extending the service life of the motor.

[0015] 2. The utility model first perforation group can accommodate a first magnetic element group, the second perforation group can accommodate a second magnetic element group; wherein each first magnetic element group includes a first magnetic element, a second magnetic element and a third magnetic element, and each second magnetic element group includes a fourth magnetic element, a fifth magnetic element and a sixth magnetic element; wherein the first perforation can accommodate the first magnetic element, the second perforation can accommodate the second magnetic element, the third perforation can accommodate the third magnetic element, the fourth perforation can accommodate the fourth magnetic element, the fifth perforation can accommodate the fifth magnetic element, and the sixth perforation can accommodate the sixth magnetic element. This arrangement is achieved by designing a triangular accommodating structure of the first rotor magnetic element group. First, the triangular-shaped first rotor magnetic element The triangular-shaped rotor magnetic element housing structure design can provide a more uniform magnetic field distribution, optimize the magnetic field distribution, reduce magnetic flux leakage, and thus improve the magnetic field utilization rate of the motor. Secondly, due to the optimization of the magnetic field distribution, the triangular-shaped rotor magnetic element housing structure design can reduce iron loss and eddy current loss, thereby reducing the loss of the motor and improving the operating efficiency of the motor. Furthermore, the triangular-shaped rotor magnetic element housing structure design can reduce the harmonic components generated by the magnetic field and reduce the excitation force of the magnetic field on the stator and rotor, thereby reducing the noise and vibration of the motor. Finally, the triangular-shaped rotor magnetic element housing structure design can increase the heat dissipation surface area, improve the heat dissipation efficiency, and help reduce the temperature rise inside the motor, thereby extending the service life of the motor.

[0016] 3. The first rotor of the utility model is composed of a plurality of first sheet structures stacked in sequence, each of which includes a first central axis, a first rotor body, a first axial hole, a first perforation group, a second perforation group and a first outer edge. This arrangement allows the user to form the required first rotor by stacking different numbers of first sheet structures in sequence according to actual work needs.

[0017] 4. The utility model also includes two second rotors, the second rotors include a second central axis, a second rotor body, a second axial hole opened at the center of the second rotor body, a plurality of third perforation groups opened on the second rotor body, a plurality of fourth perforation groups opened on the second rotor body, and a second outer edge surrounding the periphery of the second rotor body; wherein the plurality of third perforation groups surround the second central axis and are arranged in intervals, the plurality of fourth perforation groups surround the second central axis and are arranged in intervals, and one of the plurality of fourth perforation groups is arranged between two adjacent third perforation groups of the plurality of third perforation groups; wherein each second rotor is composed of a plurality of second sheet structures stacked in sequence, each second sheet structure includes a second central axis, a second rotor body, a second axial hole, a third perforation group, a fourth perforation group, and a second outer edge. Firstly, this arrangement can reduce the loss during the operation of the motor by reducing the eddy current loss and thus improving the working efficiency of the motor by performing a unique structural design of the number of slots, shape, size, etc. on the second rotor. Secondly, this arrangement allows the user to stack different numbers of second sheet structures in sequence to form the required second rotor according to actual work needs.

[0018] 5. The third perforation group of the utility model corresponds to the first perforation group, and the fourth perforation group corresponds to the second perforation group. The first perforation group and the third perforation group can accommodate a first magnetic element group, and the second perforation group and the fourth perforation group can accommodate a second magnetic element group. This arrangement allows the first magnetic element group to be installed through the first perforation group and the third perforation group at the same time after the first rotor and the second rotor are installed, and the second magnetic element group can be installed through the second perforation group and the fourth perforation group at the same time; wherein each first perforation group includes a first perforation and a second perforation symmetrically arranged along the diameter of the first rotor body, and a third perforation located between the first perforation and the second perforation and perpendicular to the diameter of the first rotor body, and the first perforation, the second perforation and The third through-holes form an isosceles triangle; each second through-hole group includes a fourth through-hole and a fifth through-hole symmetrically arranged along the diameter of the first rotor body, and a sixth through-hole located between the fourth through-hole and the fifth through-hole and perpendicular to the diameter of the first rotor body, and the fourth through-hole, the fifth through-hole and the sixth through-hole form an isosceles triangle; each third through-hole group includes a seventh through-hole and an eighth through-hole symmetrically arranged along the diameter of the second rotor body, and a ninth through-hole located between the seventh through-hole and the eighth through-hole and perpendicular to the diameter of the second rotor body, and the seventh through-hole, the eighth through-hole and the ninth through-hole form an isosceles triangle; each fourth through-hole group includes a tenth through-hole and an eleventh through-hole symmetrically arranged along the diameter of the second rotor body, and a ninth through-hole located between the tenth through-hole and the eighth through-hole and perpendicular to the diameter of the second rotor body. A twelfth through-hole is arranged between the eleven through-holes and perpendicular to the diameter of the second rotor body, and the tenth through-hole, the eleventh through-hole and the twelfth through-hole form an isosceles triangle; wherein each first magnetic element group includes a first magnetic element, a second magnetic element and a third magnetic element, and each second magnetic element group includes a fourth magnetic element, a fifth magnetic element and a sixth magnetic element; wherein the first through-hole and the seventh through-hole can accommodate the first magnetic element, the second through-hole and the eighth through-hole can accommodate the second magnetic element, the third through-hole and the ninth through-hole can accommodate the third magnetic element, the fourth through-hole and the tenth through-hole can accommodate the fourth magnetic element, the fifth through-hole and the eleventh through-hole can accommodate the fifth magnetic element, the sixth through-hole and the twelfth through-hole can accommodate the sixth magnetic element, and by The triangular structure design of the second rotor perforation group and the corresponding magnetic element group accommodated therein, firstly, this triangular structure design can provide a more uniform magnetic field distribution, optimize the magnetic field distribution, reduce magnetic flux leakage, and thus improve the magnetic field utilization rate of the motor; secondly, due to the optimization of the magnetic field distribution, this triangular structure design can reduce iron loss and eddy current loss, thereby reducing the loss of the motor and improving the operating efficiency of the motor; furthermore, this triangular structure design can reduce the harmonic components generated by the magnetic field and reduce the excitation force of the magnetic field on the stator and rotor, thereby reducing the noise and vibration of the motor; finally, this triangular structure design can increase the heat dissipation surface area, improve the heat dissipation efficiency, and help reduce the temperature rise inside the motor, thereby extending the service life of the motor.

[0019] 6. The utility model further comprises two third rotors, the third rotors comprising a third central axis, a third rotor body, a third axial hole opened at the center of the third rotor body, a plurality of fifth perforation groups opened on the third rotor body, a plurality of sixth perforation groups opened on the third rotor body, and a third outer edge surrounding the periphery of the third rotor body; wherein the plurality of fifth perforation groups surround the third central axis and are arranged in intervals, the plurality of sixth perforation groups surround the third central axis and are arranged in intervals, and one of the plurality of sixth perforation groups is arranged at the opposite end of the plurality of fifth perforation groups. Between two adjacent fifth perforation groups; wherein each third rotor is composed of a plurality of third sheet structures stacked in sequence, and each third sheet structure includes a third central axis, a third rotor body, a third axial hole, a fifth perforation group, a sixth perforation group and a third outer edge. Firstly, this arrangement can reduce eddy current loss and thus reduce loss during motor operation and improve motor working efficiency by performing unique structural design of the number of slots, shape, size, etc. on the third rotor. Secondly, this arrangement allows the user to stack different numbers of third sheet structures in sequence to form the required third rotor according to actual work needs.

[0020] 7. The fifth perforation group of the utility model corresponds to the third perforation group and the first perforation group, the sixth perforation group corresponds to the fourth perforation group and the second perforation group, the first perforation group, the third perforation group and the fifth perforation group can accommodate a first magnetic element group, the second perforation group, the fourth perforation group and the sixth perforation group can accommodate a second magnetic element group, this arrangement can be after the first rotor, the second rotor and the third rotor are installed, so that the first magnetic element group can be installed through the first perforation group, the third perforation group and the fifth perforation group at the same time, so that the second magnetic element group can be installed through the second perforation group, the fourth perforation group and the sixth perforation group at the same time; wherein each first perforation group includes a sub- A first through hole and a second through hole are respectively symmetrically arranged along the diameter of the first rotor body, and a third through hole is located between the first through hole and the second through hole and is arranged perpendicular to the diameter of the first rotor body, and the first through hole, the second through hole and the third through hole form an isosceles triangle; each second through hole group includes a fourth through hole and a fifth through hole are respectively symmetrically arranged along the diameter of the first rotor body, and a sixth through hole is located between the fourth through hole and the fifth through hole and is arranged perpendicular to the diameter of the first rotor body, and the fourth through hole, the fifth through hole and the sixth through hole form an isosceles triangle; each third through hole group includes a seventh through hole and an eighth through hole are respectively symmetrically arranged along the diameter of the second rotor body, and a sixth through hole is located between the fourth through hole and the fifth through hole and is arranged perpendicular to the diameter of the first rotor body, and the fourth through hole, the fifth through hole and the sixth through hole form an isosceles triangle; A ninth through-hole is arranged between the seventh through-hole and the eighth through-hole and perpendicular to the diameter of the second rotor body, and the seventh through-hole, the eighth through-hole and the ninth through-hole form an isosceles triangle; each fourth through-hole group includes a tenth through-hole and an eleventh through-hole symmetrically arranged along the diameter of the second rotor body, and a twelfth through-hole located between the tenth through-hole and the eleventh through-hole and perpendicular to the diameter of the second rotor body, and the tenth through-hole, the eleventh through-hole and the twelfth through-hole form an isosceles triangle; each fifth through-hole group includes a thirteenth through-hole and a fourteenth through-hole symmetrically arranged along the diameter of the third rotor body, and a thirteenth through-hole located between the thirteenth through-hole and the fourteenth through-hole and perpendicular to the diameter of the third rotor body. A fifteenth through-hole is symmetrically arranged along the diameter of the body, and the thirteenth through-hole, the fourteenth through-hole and the fifteenth through-hole form an isosceles triangle; each sixth through-hole group includes a sixteenth through-hole and a seventeenth through-hole symmetrically arranged along the diameter of the third rotor body, and an eighteenth through-hole located between the sixteenth through-hole and the seventeenth through-hole and symmetrically arranged perpendicular to the diameter of the third rotor body, and the sixteenth through-hole, the seventeenth through-hole and the eighteenth through-hole form an isosceles triangle; wherein each first magnetic element group includes a first magnetic element, a second magnetic element and a third magnetic element, and each second magnetic element group includes a fourth magnetic element, a fifth magnetic element and a sixth magnetic element;Among them, the first perforation, the seventh perforation and the thirteenth perforation can accommodate the first magnetic element, the second perforation, the eighth perforation and the fourteenth perforation can accommodate the second magnetic element, the third perforation, the ninth perforation and the fifteenth perforation can accommodate the third magnetic element, the fourth perforation, the tenth perforation and the sixteenth perforation can accommodate the fourth magnetic element, the fifth perforation, the eleventh perforation and the seventeenth perforation can accommodate the fifth magnetic element, the sixth perforation, the twelfth perforation and the eighteenth perforation can accommodate the sixth magnetic element. By designing the triangular structure of the third rotor perforation group and the corresponding magnetic element group, firstly, this triangular structure design can provide more Uniform magnetic field distribution, optimization of magnetic field distribution, reduction of magnetic flux leakage, thereby improving the magnetic field utilization rate of the motor. Secondly, due to the optimization of magnetic field distribution, this triangular structure design can reduce iron loss and eddy current loss, thereby reducing the loss of the motor and improving the operating efficiency of the motor. Furthermore, this triangular structure design can reduce the harmonic components generated by the magnetic field and reduce the excitation force of the magnetic field on the stator and rotor, thereby reducing the noise and vibration of the motor. Finally, this triangular structure design will increase the heat dissipation surface area, improve the heat dissipation efficiency, help reduce the temperature rise inside the motor, and thus extend the service life of the motor. ;

[0021] 8. The utility model also includes a stator assembly, which includes a stator and a plurality of coils arranged on the stator. The stator includes an annular disc structure and a plurality of tooth structures arranged on the annular disc structure, wherein the plurality of tooth structures surround a central axis of the annular disc structure and are connected by short arcs located on the same circumference and are arranged in an interval, and the plurality of tooth structures extend from the annular disc structure toward the central axis, and the plurality of coils are respectively and correspondingly sleeved on the tooth structures, and the stator is composed of a plurality of stator sheets stacked in sequence, wherein this arrangement can firstly reduce the core saturation caused by the magnetic field when the current passes through the stator winding, thereby improving the output power and efficiency of the motor, and further can reduce the generation of harmonic magnetic fields, and improve the running stability and quietness of the motor; the arrangement that the stator is composed of a plurality of stator sheets stacked in sequence allows the user to assemble the required stator by stacking different numbers of stator sheets in sequence according to actual work needs.

[0022] 9. The first rotor of the utility model is sleeved on the rotating shaft, the two second rotors are correspondingly sleeved on the rotating shaft and are symmetrically arranged on both sides of the first rotor along the radial center plane of the first rotor, the two third rotors are correspondingly sleeved on the rotating shaft and are symmetrically arranged on both sides of the two second rotors along the radial center plane of the first rotor, and the stator assembly is sleeved through the periphery of the first rotor, the second rotor and the third rotor; wherein the second rotor is sleeved on the rotating shaft and is radially offset by 2.5° compared with the first rotor, the third rotor is sleeved on the rotating shaft and is radially offset by 2.5° compared with the second rotor, and the first rotor, the second rotor and the third rotor are correspondingly installed to form 5 sections of V-shaped oblique poles This setting forms 5 sections of V-shaped skewed poles through the unique installation of the first rotor, the second rotor and the third rotor. First, the 5-section V-shaped skewed pole design helps to achieve a more uniform magnetic field distribution and reduce the unevenness of the magnetic field, thereby improving the output performance and stability of the motor; secondly, the 5-section V-shaped skewed pole design can effectively suppress the generation of harmonics, reduce the impact of harmonics on motor performance, and improve the operating efficiency and reliability of the motor; thirdly, due to the optimization of magnetic field distribution and harmonic suppression, the 5-section V-shaped skewed pole design can provide better starting performance, making the motor more stable during the starting process and reducing the impact on the system; finally, the 5-section V-shaped skewed pole design can effectively improve the overall NVH performance.

[0023] 10. The utility model can optimize the magnetic field distribution of the motor, reduce eddy current loss, reduce working noise, and improve the working efficiency and reliability of the motor through the design of the rotor perforation group, the triangular structure of the magnetic element group, and the design of the five-section V-shaped inclined pole formed after the first rotor, the second rotor and the third rotor are installed.

[0024] 11. The first magnetic element, the second magnetic element, the third magnetic element, the fourth magnetic element, the fifth magnetic element and the sixth magnetic element of the utility model are all permanent magnets. The main advantages of permanent magnets are: they can operate without power supply, thereby improving energy efficiency; they are easy to install and can be moved to various positions for installation; permanent magnets are still available in very small sizes, making them an ideal choice for size-constrained applications. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 This is a schematic diagram of the first rotor structure of the utility model;

[0026] Figure 2 This is a schematic diagram of the second rotor structure of the utility model;

[0027] Figure 3 This is a schematic diagram of the third rotor structure of the utility model;

[0028] Figure 4 This is a schematic diagram of the structure of the stator assembly of the utility model;

[0029] Figure 5 This is a schematic diagram of the stator and rotor installation structure of the utility model;

[0030] Figure 6 This is a schematic diagram of the front view structure of the 5-section V-shaped inclined pole installation of the utility model;

[0031] Figure 7 This is a schematic diagram of the side view structure of the 5-section V-shaped inclined pole installation of the utility model;

[0032] Figure 8 This is a schematic diagram of the three-dimensional structure of the five-section V-shaped inclined pole installation of the utility model;

[0033] Fig. 9 for Figure 4 Schematic diagram of the structure of part A.

[0034] Figure numerals: 1: first rotor, 2: second rotor, 3: third rotor, 4: stator assembly, 5: first central axis, 6: first rotor body, 7: first axial hole, 8: first perforation group, 9: second perforation group, 10: first outer edge, 11: second central axis, 12: second rotor body, 13: second axial hole, 14: third perforation group, 15: fourth perforation group, 16: second outer edge, 17: third central axis, 18: third rotor body, 19: third axial hole, 20: fifth perforation group, 21: sixth perforation group, 22: third outer edge, 23: stator, 24: annular disc structure, 25: tooth structure, 26: first magnetic element group, 27: second magnetic element group, 28: first perforation, 29: second perforation, 30: third perforation, 31: fourth perforation, 32: fifth perforation, 33: sixth perforation, 34: first magnetic element, 35: second magnetic element, 36: third magnetic element, 37: fourth magnetic element, 38: fifth magnetic element, 39: sixth magnetic element, 40: seventh perforation, 41: eighth perforation, 42: ninth perforation, 43: tenth perforation, 44: eleventh perforation, 45: twelfth perforation, 46: thirteenth perforation, 47: fourteenth perforation, 48: fifteenth perforation, 49: sixteenth perforation, 50: seventeenth perforation, 51: eighteenth perforation, 52: first sheet structure, 53: second sheet structure, 54: third sheet structure, 55: stator sheet. DETAILED DESCRIPTION

[0035] The technical solution of the utility model will be described clearly and completely below in conjunction with the accompanying drawings. Obviously, the described embodiments are part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0036] In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first", "second", and "third" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance.

[0037] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0038] like Figure 1 , Figure 5 , Figure 6 , Figure 7 and Figure 8As shown, it includes a first rotor, which includes a first central axis, a first rotor body, a first axial hole opened at the center of the first rotor body, a plurality of first perforation groups opened on the first rotor body, a plurality of second perforation groups opened on the first rotor body, and a first outer edge surrounding the periphery of the first rotor body, the plurality of first perforation groups surround the first central axis and are arranged in intervals, the plurality of second perforation groups surround the first central axis and are arranged in intervals, and one of the plurality of second perforation groups is arranged between two adjacent first perforation groups of the plurality of first perforation groups. This arrangement can reduce the loss during the operation of the motor by reducing the eddy current loss and thus improving the working efficiency of the motor by performing a unique structural design of the number of slots, shape, size, etc. on the first rotor; each first perforation group includes a first perforation and a second perforation symmetrically arranged along the diameter of the first rotor body, and a third perforation located between the first perforation and the second perforation and perpendicular to the diameter of the first rotor body, the first perforation, the second perforation and the third perforation form an isosceles triangle, and each second perforation group includes The fourth through hole and the fifth through hole are symmetrically arranged along the diameter of the first rotor body, and the sixth through hole is located between the fourth through hole and the fifth through hole and is arranged perpendicular to the diameter of the first rotor body. The fourth through hole, the fifth through hole and the sixth through hole form an isosceles triangle. When the magnetic element group is correspondingly accommodated therein by designing the triangular structure of the first rotor through hole group, firstly, the design of the triangular structure of the first rotor through hole group can provide a more uniform magnetic field distribution, optimize the magnetic field distribution, reduce magnetic flux leakage, and thus improve the magnetic field utilization rate of the motor. Secondly, due to the optimization of the magnetic field distribution, the design of the triangular structure of the first rotor through hole group can reduce iron loss and eddy current loss, thereby reducing the loss of the motor and improving the operating efficiency of the motor. Furthermore, the design of the triangular structure of the first rotor through hole group can reduce the harmonic component generated by the magnetic field, reduce the excitation force of the magnetic field on the stator and the rotor, thereby reducing the noise and vibration of the motor. Finally, the design of the triangular structure of the first rotor through hole group can increase the heat dissipation surface area, improve the heat dissipation efficiency, and help reduce the temperature rise inside the motor, thereby extending the service life of the motor.

[0039] like Figure 1 , Figure 5 , Figure 6 , Figure 7 and Figure 8As shown, the first perforation group can accommodate a first magnetic element group, and the second perforation group can accommodate a second magnetic element group; wherein each first magnetic element group includes a first magnetic element, a second magnetic element and a third magnetic element, and each second magnetic element group includes a fourth magnetic element, a fifth magnetic element and a sixth magnetic element; wherein the first perforation can accommodate the first magnetic element, the second perforation can accommodate the second magnetic element, the third perforation can accommodate the third magnetic element, the fourth perforation can accommodate the fourth magnetic element, the fifth perforation can accommodate the fifth magnetic element, and the sixth perforation can accommodate the sixth magnetic element. This arrangement is achieved by designing a triangular accommodating structure of the first rotor magnetic element group. First, the triangular-shaped first rotor magnetic element The housing structure design can provide a more uniform magnetic field distribution, optimize the magnetic field distribution, reduce magnetic flux leakage, and thus improve the magnetic field utilization rate of the motor. Secondly, due to the optimization of the magnetic field distribution, the triangular-shaped rotor magnetic element housing structure design can reduce iron loss and eddy current loss, thereby reducing the loss of the motor and improving the operating efficiency of the motor. Furthermore, the triangular-shaped rotor magnetic element housing structure design can reduce the harmonic components generated by the magnetic field, reduce the excitation force of the magnetic field on the stator and rotor, and thus reduce the noise and vibration of the motor. Finally, the triangular-shaped rotor magnetic element housing structure design can increase the heat dissipation surface area, improve the heat dissipation efficiency, and help reduce the temperature rise inside the motor, thereby extending the service life of the motor. In addition, it is worth noting that the first magnetic element, the second magnetic element, the third magnetic element, the fourth magnetic element, the fifth magnetic element, and the sixth magnetic element are respectively composed of at least one rectangular magnet, but the utility model is not limited to this.

[0040] like Figure 1 , Figure 5 , Figure 6 , Figure 7 and Figure 8 As shown, the first rotor is composed of a plurality of first sheet structures stacked in sequence, each of which includes a first central axis, a first rotor body, a first axial hole, a first perforation group, a second perforation group and a first outer edge. This arrangement allows the user to stack different numbers of first sheet structures in sequence to form the required first rotor according to actual work needs. However, in other embodiments, the first rotor can also be formed in an integrated manner or in other assembly methods, and the utility model is not limited thereto.

[0041] like Figure 2 , Figure 5 , Figure 6 , Figure 7 and Figure 8As shown, two second rotors are also included, the second rotor includes a second central axis, a second rotor body, a second axial hole opened at the center of the second rotor body, a plurality of third perforation groups opened on the second rotor body, a plurality of fourth perforation groups opened on the second rotor body, and a second outer edge surrounding the periphery of the second rotor body; wherein the plurality of third perforation groups surround the second central axis and are arranged in intervals, the plurality of fourth perforation groups surround the second central axis and are arranged in intervals, and one of the plurality of fourth perforation groups is arranged between two adjacent third perforation groups of the plurality of third perforation groups; wherein each second rotor is composed of a plurality of second sheet structures stacked in sequence, each second sheet structure includes a second central axis, a second rotor body, a second axial hole, a third perforation group, a fourth perforation group and a second outer edge. Firstly, this setting can reduce the loss during the operation of the motor by reducing the eddy current loss and thus improving the working efficiency of the motor by performing a unique structural design of the number of slots, shape, size, etc. on the second rotor. Secondly, this setting allows the user to stack different numbers of second sheet structures in sequence to form the required second rotor according to actual work needs. However, in other embodiments, the second rotor may be formed in an integral manner or in other assembly manners, and the present invention is not limited thereto.

[0042] like Figure 1 , Figure 2 , Figure 5 , Figure 6 , Figure 7 and Figure 8As shown, the third perforation group corresponds to the first perforation group, the fourth perforation group corresponds to the second perforation group, the first perforation group and the third perforation group can accommodate a first magnetic element group, the second perforation group and the fourth perforation group can accommodate a second magnetic element group, this arrangement can allow the first magnetic element group to be installed through the first perforation group and the third perforation group at the same time after the first rotor and the second rotor are installed, and the second magnetic element group can be installed through the second perforation group and the fourth perforation group at the same time; wherein each first perforation group includes a first perforation and a second perforation symmetrically arranged along the diameter of the first rotor body, and a third perforation located between the first perforation and the second perforation and perpendicular to the diameter of the first rotor body, the first perforation, the second perforation and the third perforation are arranged The perforations form an isosceles triangle; each second perforation group includes a fourth perforation and a fifth perforation symmetrically arranged along the diameter of the first rotor body, and a sixth perforation located between the fourth perforation and the fifth perforation and perpendicular to the diameter of the first rotor body, and the fourth perforation, the fifth perforation and the sixth perforation form an isosceles triangle; each third perforation group includes a seventh perforation and an eighth perforation symmetrically arranged along the diameter of the second rotor body, and a ninth perforation located between the seventh perforation and the eighth perforation and perpendicular to the diameter of the second rotor body, and the seventh perforation, the eighth perforation and the ninth perforation form an isosceles triangle; each fourth perforation group includes a tenth perforation and an eleventh perforation symmetrically arranged along the diameter of the second rotor body, and a ninth perforation located between the tenth perforation and the tenth perforation. A twelfth through-hole is arranged between the first through-hole and perpendicular to the diameter of the second rotor body, and the tenth through-hole, the eleventh through-hole and the twelfth through-hole form an isosceles triangle; wherein each first magnetic element group includes a first magnetic element, a second magnetic element and a third magnetic element, and each second magnetic element group includes a fourth magnetic element, a fifth magnetic element and a sixth magnetic element; wherein the first through-hole and the seventh through-hole can accommodate the first magnetic element, the second through-hole and the eighth through-hole can accommodate the second magnetic element, the third through-hole and the ninth through-hole can accommodate the third magnetic element, the fourth through-hole and the tenth through-hole can accommodate the fourth magnetic element, the fifth through-hole and the eleventh through-hole can accommodate the fifth magnetic element, the sixth through-hole and the twelfth through-hole can accommodate the sixth magnetic element, and by The triangular structure design of the second rotor perforation group and the corresponding magnetic element group accommodated therein, firstly, this triangular structure design can provide a more uniform magnetic field distribution, optimize the magnetic field distribution, reduce magnetic flux leakage, and thus improve the magnetic field utilization rate of the motor; secondly, due to the optimization of the magnetic field distribution, this triangular structure design can reduce iron loss and eddy current loss, thereby reducing the loss of the motor and improving the operating efficiency of the motor; furthermore, this triangular structure design can reduce the harmonic components generated by the magnetic field and reduce the excitation force of the magnetic field on the stator and rotor, thereby reducing the noise and vibration of the motor; finally, this triangular structure design can increase the heat dissipation surface area, improve the heat dissipation efficiency, and help reduce the temperature rise inside the motor, thereby extending the service life of the motor.

[0043] like Figure 3 , Figure 5 , Figure 6 , Figure 7 and Figure 8 As shown, two third rotors are also included, the third rotor includes a third central axis, a third rotor body, a third axial hole opened at the center of the third rotor body, a plurality of fifth perforation groups opened on the third rotor body, a plurality of sixth perforation groups opened on the third rotor body and a third outer edge surrounding the periphery of the third rotor body, wherein the plurality of fifth perforation groups surround the third central axis and are arranged in intervals, the plurality of sixth perforation groups surround the third central axis and are arranged in intervals, and one of the plurality of sixth perforation groups is arranged between two adjacent fifth perforation groups of the plurality of fifth perforation groups; wherein each third rotor is composed of a plurality of third sheet structures stacked in sequence, each third sheet structure includes a third central axis, a third rotor body, a third axial hole, a fifth perforation group, a sixth perforation group and a third outer edge. Firstly, this setting can reduce the loss during the operation of the motor by reducing the eddy current loss and thus improving the working efficiency of the motor by performing a unique structural design of the number of slots, shape, size, etc. on the third rotor. Secondly, this setting allows the user to stack different numbers of third sheet structures in sequence to form the required third rotor according to actual work needs. However, in other embodiments, the third rotor may be formed in an integral manner or in other assembly manners, and the present invention is not limited thereto.

[0044] like Figure 1 , Figure 2 , Figure 3 , Figure 5 , Figure 6 , Figure 7 and Figure 8As shown, the fifth perforation group corresponds to the third perforation group and the first perforation group, the sixth perforation group corresponds to the fourth perforation group and the second perforation group, the first perforation group, the third perforation group and the fifth perforation group can accommodate a first magnetic element group, the second perforation group, the fourth perforation group and the sixth perforation group can accommodate a second magnetic element group, this arrangement can be after the first rotor, the second rotor and the third rotor are installed, so that the first magnetic element group can be installed through the first perforation group, the third perforation group and the fifth perforation group at the same time, so that the second magnetic element group can be installed through the second perforation group, the fourth perforation group and the sixth perforation group at the same time; wherein each first perforation group includes respectively A first through hole and a second through hole are symmetrically arranged along the diameter of the first rotor body, and a third through hole is located between the first through hole and the second through hole and is arranged perpendicular to the diameter of the first rotor body, and the first through hole, the second through hole and the third through hole form an isosceles triangle; each second through hole group includes a fourth through hole and a fifth through hole are symmetrically arranged along the diameter of the first rotor body, and a sixth through hole is located between the fourth through hole and the fifth through hole and is arranged perpendicular to the diameter of the first rotor body, and the fourth through hole, the fifth through hole and the sixth through hole form an isosceles triangle; each third through hole group includes a seventh through hole and an eighth through hole are symmetrically arranged along the diameter of the second rotor body, and a sixth through hole is located between the fourth through hole and the fifth through hole and is arranged perpendicular to the diameter of the first rotor body, and the fourth through hole, the fifth through hole and the sixth through hole form an isosceles triangle. A ninth through-hole is arranged between the seventh through-hole and the eighth through-hole and perpendicular to the diameter of the second rotor body, and the seventh through-hole, the eighth through-hole and the ninth through-hole form an isosceles triangle; each fourth through-hole group includes a tenth through-hole and an eleventh through-hole symmetrically arranged along the diameter of the second rotor body, and a twelfth through-hole located between the tenth through-hole and the eleventh through-hole and perpendicular to the diameter of the second rotor body, and the tenth through-hole, the eleventh through-hole and the twelfth through-hole form an isosceles triangle; each fifth through-hole group includes a thirteenth through-hole and a fourteenth through-hole symmetrically arranged along the diameter of the third rotor body, and a thirteenth through-hole located between the thirteenth through-hole and the fourteenth through-hole and perpendicular to the diameter of the third rotor body. The third rotor body has a 15th through-hole symmetrically arranged along the diameter of the third rotor body, and the 13th through-hole, the 14th through-hole and the 15th through-hole form an isosceles triangle; each sixth through-hole group includes a 16th through-hole and a 17th through-hole symmetrically arranged along the diameter of the third rotor body, and an 18th through-hole located between the 16th through-hole and the 17th through-hole and symmetrically arranged perpendicular to the diameter of the third rotor body, and the 16th through-hole, the 17th through-hole and the 18th through-hole form an isosceles triangle; wherein each first magnetic element group includes a first magnetic element, a second magnetic element and a third magnetic element, and each second magnetic element group includes a fourth magnetic element, a fifth magnetic element and a sixth magnetic element;Among them, the first perforation, the seventh perforation and the thirteenth perforation can accommodate the first magnetic element, the second perforation, the eighth perforation and the fourteenth perforation can accommodate the second magnetic element, the third perforation, the ninth perforation and the fifteenth perforation can accommodate the third magnetic element, the fourth perforation, the tenth perforation and the sixteenth perforation can accommodate the fourth magnetic element, the fifth perforation, the eleventh perforation and the seventeenth perforation can accommodate the fifth magnetic element, the sixth perforation, the twelfth perforation and the eighteenth perforation can accommodate the sixth magnetic element. By designing the triangular structure of the third rotor perforation group and the corresponding magnetic element group, firstly, this triangular structure design can provide more Uniform magnetic field distribution, optimization of magnetic field distribution, reduction of magnetic flux leakage, thereby improving the magnetic field utilization rate of the motor. Secondly, due to the optimization of magnetic field distribution, this triangular structure design can reduce iron loss and eddy current loss, thereby reducing the loss of the motor and improving the operating efficiency of the motor. Furthermore, this triangular structure design can reduce the harmonic components generated by the magnetic field and reduce the excitation force of the magnetic field on the stator and rotor, thereby reducing the noise and vibration of the motor. Finally, this triangular structure design will increase the heat dissipation surface area, improve the heat dissipation efficiency, help reduce the temperature rise inside the motor, and thus extend the service life of the motor. ;

[0045] like Figure 4 , Figure 5 and Fig. 9 As shown, it also includes a stator assembly, the stator assembly includes a stator and a plurality of coils arranged on the stator, the stator includes an annular disc structure and a plurality of tooth structures arranged on the annular disc structure, wherein the plurality of tooth structures surround a central axis of the annular disc structure and are connected by short arcs located on the same circumference and are arranged in intervals, and the plurality of tooth structures extend from the annular disc structure toward the central axis, and the plurality of coils are respectively sleeved on the tooth structures, and the stator is composed of a plurality of stator sheets stacked in sequence, wherein this setting can firstly reduce the iron core saturation caused by the magnetic field when the current passes through the stator winding through the unique structural design of the stator and appropriately increase the number of tooth structures, thereby improving the output power and efficiency of the motor, and further can reduce the generation of harmonic magnetic fields, and improve the running stability and quietness of the motor; the stator is composed of a plurality of stator sheets stacked in sequence, so that the user can stack different numbers of stator sheets in sequence to form the required stator according to actual work needs. However, in other embodiments, the stator can also be formed in an integrated manner or in other assembly methods, and the utility model is not limited thereto.

[0046] like Figure 1 , Figure 2 , Figure 3 , Figure 6 , Figure 7 and Figure 8As shown, the first rotor is sleeved on the rotating shaft, the two second rotors are correspondingly sleeved on the rotating shaft and are adjacently and symmetrically arranged on both sides of the first rotor along the radial center plane of the first rotor, the two third rotors are correspondingly sleeved on the rotating shaft and are adjacently and symmetrically arranged on both sides of the two second rotors along the radial center plane of the first rotor, and the stator assembly is sleeved through the periphery of the first rotor, the second rotor and the third rotor; wherein the second rotor is sleeved on the rotating shaft and is radially offset by 2.5° compared with the first rotor, the third rotor is sleeved on the rotating shaft and is radially offset by 2.5° compared with the second rotor, and the first rotor, the second rotor and the third rotor are correspondingly installed to form 5 sections of V-shaped oblique poles, This setting forms 5 sections of V-shaped oblique poles through the unique installation of the first rotor, the second rotor and the third rotor. First, the 5-section V-shaped oblique pole design helps to achieve a more uniform magnetic field distribution and reduce the non-uniformity of the magnetic field, thereby improving the output performance and stability of the motor; secondly, the 5-section V-shaped oblique pole design can effectively suppress the generation of harmonics, reduce the impact of harmonics on motor performance, and improve the operating efficiency and reliability of the motor; furthermore, due to the optimization of magnetic field distribution and harmonic suppression, the 5-section V-shaped oblique pole design can provide better starting performance, making the motor more stable during the starting process and reducing the impact on the system; finally, the 5-section V-shaped oblique pole design can effectively improve the overall NVH performance. However, in other embodiments, the rotor can also be assembled into linear oblique poles, staggered oblique poles or other assembly methods, and the utility model is not limited to this.

[0047] like Figure 1 , Figure 2 , Figure 3 , Figure 5 , Figure 6 , Figure 7 and Figure 8 As shown, the first magnetic element, the second magnetic element, the third magnetic element, the fourth magnetic element, the fifth magnetic element and the sixth magnetic element are all permanent magnets. The main advantages of permanent magnets are: they can be operated without power supply, thereby improving energy efficiency; they are easy to install and can be moved to various locations for installation; permanent magnets are still available in very small sizes, making them an ideal choice for size-constrained applications. However, in other embodiments, other forms of magnets can also be used, and the utility model is not limited thereto.

[0048] The specific operating principle is:

[0049] Embodiment 1

[0050] When using this motor rotor, the user first needs to stack a certain number of first sheet structures to form the required first rotor, stack a certain number of second sheet structures to form the required second rotor, and stack a certain number of third sheet structures to form the third rotor according to actual needs; install one first rotor, two second rotors, and two third rotors on the rotating shaft in sequence to form 5 sections of V-shaped oblique poles, and then install the first magnetic element through the first through hole, the seventh through hole, and the thirteenth through hole at the same time, install the second magnetic element through the second through hole, the eighth through hole, and the fourteenth through hole at the same time, and install the third magnetic element through the second through hole, the eighth through hole, and the fourteenth through hole at the same time. The fourth magnetic element is installed through the fourth through hole, the tenth through hole and the sixteenth through hole at the same time, the fifth magnetic element is installed through the fifth through hole, the eleventh through hole and the seventeenth through hole at the same time, and the sixth magnetic element is installed through the sixth through hole, the twelfth through hole and the eighteenth through hole at the same time; after the installation is completed, the required stator is obtained by stacking a certain number of stator sheets in sequence, and the coils are correspondingly sleeved on the tooth structure of the stator to form the required stator assembly; finally, the stator assembly is sleeved on the periphery of the 5-segment V-shaped inclined pole to completely install the stator assembly and the rotor assembly.

[0051] Embodiment 2

[0052] The motor rotor in this embodiment is an improvement on the embodiment 1, and the technical contents disclosed in the embodiment 1 are not described repeatedly, and the contents disclosed in the embodiment 1 also belong to the contents disclosed in this embodiment.

[0053] In this embodiment, the rotor assembly can be formed by stacking multiple first rotors; the first magnetic element is installed through the first through-hole after stacking, the second magnetic element is installed through the second through-hole after stacking, the third magnetic element is installed through the third through-hole after stacking, the fourth magnetic element is installed through the fourth through-hole after stacking, the fifth magnetic element is installed through the fifth through-hole after stacking, and the sixth magnetic element is installed through the sixth through-hole after stacking.

[0054] Embodiment 3

[0055] The motor rotor in this embodiment is an improvement on the embodiment 1, and the technical contents disclosed in the embodiment 1 are not described repeatedly, and the contents disclosed in the embodiment 1 also belong to the contents disclosed in this embodiment.

[0056] In this embodiment, the rotor assembly can be formed by alternatingly stacking a certain number of first rotors and a certain number of second rotors; the first magnetic element is installed through the first through-hole and the seventh through-hole after stacking at the same time, the second magnetic element is installed through the second through-hole and the eighth through-hole after stacking at the same time, the third magnetic element is installed through the third through-hole and the ninth through-hole after stacking at the same time, the fourth magnetic element is installed through the fourth through-hole and the tenth through-hole after stacking at the same time, the fifth magnetic element is installed through the fifth through-hole and the eleventh through-hole after stacking at the same time, and the sixth magnetic element is installed through the sixth through-hole and the twelfth through-hole after stacking at the same time.

[0057] Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the utility model, rather than to limit it. Although the utility model has been described in detail with reference to the aforementioned embodiments, ordinary technicians in this field should understand that they can still modify the technical solutions recorded in the aforementioned embodiments, or replace some or all of the technical features therein with equivalents. However, these modifications or replacements do not make the essence of the corresponding technical solution deviate from the scope of the technical solution of the embodiments of the utility model.

Claims

1. A motor rotor, characterized in that: The first rotor includes a first central axis, a first rotor body, a first axial hole opened at the center of the first rotor body, a plurality of first through-hole groups opened on the first rotor body, a plurality of second through-hole groups opened on the first rotor body, and a first outer edge surrounding the periphery of the first rotor body; wherein the plurality of first perforation groups surround the first central axis and are arranged at intervals, the plurality of second perforation groups surround the first central axis and are arranged at intervals, and one of the plurality of second perforation groups is arranged between two adjacent first perforation groups of the plurality of first perforation groups; Each of the first perforation groups includes a first perforation and a second perforation symmetrically arranged along the diameter of the first rotor body, and a third perforation located between the first perforation and the second perforation and perpendicular to the diameter of the first rotor body, and the first perforation, the second perforation and the third perforation form an isosceles triangle; Each of the second perforation groups includes a fourth perforation and a fifth perforation symmetrically arranged along the diameter of the first rotor body, and a sixth perforation located between the fourth perforation and the fifth perforation and perpendicular to the diameter of the first rotor body, and the fourth perforation, the fifth perforation and the sixth perforation form an isosceles triangle; The first perforation group can accommodate a first magnetic element group, and the second perforation group can accommodate a second magnetic element group; wherein each of the first magnetic element groups includes a first magnetic element, a second magnetic element and a third magnetic element, and each of the second magnetic element groups includes a fourth magnetic element, a fifth magnetic element and a sixth magnetic element; wherein the first perforation can accommodate the first magnetic element, the second perforation can accommodate the second magnetic element, the third perforation can accommodate the third magnetic element, the fourth perforation can accommodate the fourth magnetic element, the fifth perforation can accommodate the fifth magnetic element, and the sixth perforation can accommodate the sixth magnetic element; Also included are two second rotors, the second rotors comprising a second central axis, a second rotor body, a second axial hole opened at the center of the second rotor body, a plurality of third perforation groups opened on the second rotor body, a plurality of fourth perforation groups opened on the second rotor body, and a second outer edge surrounding the periphery of the second rotor body; wherein the plurality of third perforation groups surround the second central axis and are arranged in intervals, the plurality of fourth perforation groups surround the second central axis and are arranged in intervals, and one of the plurality of fourth perforation groups is arranged between two adjacent third perforation groups of the plurality of third perforation groups; wherein each of the second rotors is composed of a plurality of second sheet structures stacked in sequence, and each of the second sheet structures comprises the second central axis, the second rotor body, the second axial hole, the third perforation group, the fourth perforation group, and the second outer edge; The third perforation group corresponds to the first perforation group, and the fourth perforation group corresponds to the second perforation group. The first perforation group and the third perforation group can accommodate a first magnetic element group, and the second perforation group and the fourth perforation group can accommodate a second magnetic element group; each of the third perforation groups includes a seventh perforation and an eighth perforation symmetrically arranged along the diameter of the second rotor body, and a ninth perforation located between the seventh perforation and the eighth perforation and perpendicular to the diameter of the second rotor body, and the seventh perforation, the eighth perforation and the ninth perforation form an isosceles triangle; each of the fourth perforation groups includes a tenth perforation symmetrically arranged along the diameter of the second rotor body, A through hole and an eleventh through hole and a twelfth through hole located between the tenth through hole and the eleventh through hole and arranged perpendicular to the diameter of the second rotor body, the tenth through hole, the eleventh through hole and the twelfth through hole form an isosceles triangle; wherein the first through hole and the seventh through hole can accommodate the first magnetic element, the second through hole and the eighth through hole can accommodate the second magnetic element, the third through hole and the ninth through hole can accommodate the third magnetic element, the fourth through hole and the tenth through hole can accommodate the fourth magnetic element, the fifth through hole and the eleventh through hole can accommodate the fifth magnetic element, and the sixth through hole and the twelfth through hole can accommodate the sixth magnetic element; The invention also includes two third rotors, wherein the third rotors include a third central axis, a third rotor body, a third axial hole opened at the center of the third rotor body, a plurality of fifth perforation groups opened on the third rotor body, a plurality of sixth perforation groups opened on the third rotor body, and a third outer edge surrounding the periphery of the third rotor body; wherein the plurality of fifth perforation groups surround the third central axis and are arranged in an interval, the plurality of sixth perforation groups surround the third central axis and are arranged in an interval, and one of the plurality of sixth perforation groups is arranged between two adjacent fifth perforation groups of the plurality of fifth perforation groups; wherein each of the third rotors is composed of a plurality of third sheet structures stacked in sequence, and each of the third sheet structures includes the third central axis, the third rotor body, the third axial hole, the fifth perforation group, the sixth perforation group, and the third outer edge.

2. The motor rotor according to claim 1, characterized in that: The first rotor is composed of a plurality of first sheet structures stacked in sequence, and each of the first sheet structures includes the first central axis, the first rotor body, the first shaft hole, the first through-hole group, the second through-hole group and the first outer edge.

3. The motor rotor according to claim 1, characterized in that: The fifth perforation group corresponds to the third perforation group and the first perforation group, and the sixth perforation group corresponds to the fourth perforation group and the second perforation group. The first perforation group, the third perforation group and the fifth perforation group can accommodate a first magnetic element group, and the second perforation group, the fourth perforation group and the sixth perforation group can accommodate a second magnetic element group; each of the fifth perforation groups includes a thirteenth perforation and a fourteenth perforation symmetrically arranged along the diameter of the third rotor body, and a fifteenth perforation located between the thirteenth perforation and the fourteenth perforation and symmetrically arranged perpendicular to the diameter of the third rotor body, and the thirteenth perforation, the fourteenth perforation and the fifteenth perforation form an isosceles triangle; each of the sixth perforation groups includes a sixteenth perforation and a fourteenth perforation symmetrically arranged along the diameter of the third rotor body, The first through-hole, the seventh through-hole and the thirteenth through-hole are provided to accommodate the first magnetic element, the second through-hole, the eighth through-hole and the fourteenth through-hole are provided to accommodate the second magnetic element, the third through-hole, the ninth through-hole and the fifteenth through-hole are provided to accommodate the third magnetic element, the fourth through-hole, the tenth through-hole and the sixteenth through-hole are provided to accommodate the fourth magnetic element, the fifth through-hole, the eleventh through-hole and the seventeenth through-hole are provided to accommodate the fifth magnetic element, and the sixth through-hole, the twelfth through-hole and the eighteenth through-hole are provided to accommodate the sixth magnetic element.

4. The motor rotor according to claim 1, characterized in that: It also includes a stator assembly, which includes a stator and a plurality of coils arranged on the stator, and the stator includes an annular disc structure and a plurality of tooth structures arranged on the annular disc structure, wherein the plurality of tooth structures surround a central axis of the annular disc structure and are connected by short arcs located on the same circumference and are arranged in an interval, and the plurality of tooth structures extend from the annular disc structure toward the central axis, and the plurality of coils are respectively correspondingly sleeved on the tooth structures, and the stator is composed of a plurality of stator sheets stacked in sequence.

5. The motor rotor according to claim 4, characterized in that: The first rotor is sleeved on the rotating shaft, the two second rotors are correspondingly sleeved on the rotating shaft and are adjacently and symmetrically arranged on both sides of the first rotor along the radial center plane of the first rotor, the two third rotors are correspondingly sleeved on the rotating shaft and are adjacently and symmetrically arranged on both sides of the two second rotors along the radial center plane of the first rotor, and the stator assembly is sleeved through the periphery of the first rotor, the second rotor and the third rotor; wherein the second rotor is sleeved on the rotating shaft and is radially offset by 2.5° compared with the first rotor, the third rotor is sleeved on the rotating shaft and is radially offset by 2.5° compared with the second rotor, and the first rotor, the second rotor and the third rotor form 5 sections of V-shaped oblique poles after the corresponding installation is completed.

6. The motor rotor according to claim 1, characterized in that: The first magnetic element, the second magnetic element, the third magnetic element, the fourth magnetic element, the fifth magnetic element and the sixth magnetic element are all permanent magnets.

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