CN219287353U - Sine wave permanent magnet synchronous motor - Google Patents
Sine wave permanent magnet synchronous motor Download PDFInfo
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- CN219287353U CN219287353U CN202320743518.9U CN202320743518U CN219287353U CN 219287353 U CN219287353 U CN 219287353U CN 202320743518 U CN202320743518 U CN 202320743518U CN 219287353 U CN219287353 U CN 219287353U
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Abstract
The utility model discloses a sine wave permanent magnet synchronous motor, which comprises a stator main body and a rotor main body, wherein the stator main body comprises a lead wire, a stator iron core, a lead wire side framework, a lead wire connector, a lead wire seat, a stator winding, in-slot insulation slot paper and inter-phase insulation slot paper, the lead wire side framework is positioned at the upper end position of the stator iron core, the stator winding is positioned at the inner side position of the lead wire side framework, the in-slot insulation slot paper and the inter-phase insulation slot paper are positioned at the inner side of the stator iron core, the lead wire seat is positioned at the bottom of the stator iron core, the lead wire seat is connected with the lead wire connector, and a frame body is integrally positioned at the inner side of the lead wire side framework. The sine wave permanent magnet synchronous motor provided by the utility model has the advantages that the high-frequency vibration is effectively improved, the effect is obvious in the motor performance endurance test, the upper limit of the motor power is improved, and the brand-new air gap magnetic field structure is optimally designed, so that the motor has better adjustable and controllable capability.
Description
Technical Field
The utility model relates to the field of synchronous motors, in particular to a sine wave permanent magnet synchronous motor.
Background
The sine wave permanent magnet synchronous motor is a supporting device for driving and controlling, and the production labor of human beings cannot be separated from various energy sources. In modern industrialized society, various natural energy sources can not directly drag production machinery, and the energy sources also need to be converted into electric energy first and then converted into needed energy forms (such as mechanical energy, heat energy, acoustic energy, light energy and the like) for utilization. This is because electrical energy is very convenient in terms of production, transmission, distribution, use, control, energy conversion, etc. The motor is an energy conversion machine related to electric energy, and is industrial and agricultural. And (5) transportation. National defense engineering, medical equipment and important equipment commonly used in daily life. Brushless motors are widely used as one of motor types, and have the advantages of high efficiency, good control capability, low durable noise and the like, and along with the continuous development of technology, the requirements of people on the manufacturing process of sine wave permanent magnet synchronous motors are also higher and higher.
The existing synchronous motor has certain defects when in use, firstly, the existing motor has high-frequency vibration when in use, the stability of the motor operation is reduced, the use of people is not facilitated, and the durability of the motor can not meet the requirements well, so that certain adverse effects are brought to the actual use process.
Disclosure of Invention
The technical problems to be solved are as follows: aiming at the defects of the prior art, the utility model provides the sine wave permanent magnet synchronous motor, the high-frequency vibration is effectively improved, the effect is remarkable in the motor performance endurance test, the upper limit of the motor power is improved, and the brand-new air gap magnetic field structure is optimally designed, so that the motor has better adjustable and controllable capability, and the problems in the background art can be effectively solved.
The technical scheme is as follows: in order to achieve the above purpose, the technical scheme adopted by the utility model is as follows: the utility model provides a sine wave permanent magnet synchronous motor, includes stator main part and rotor main part, the stator main part is including lead wire, stator core, lead wire side skeleton, lead wire connector, lead wire seat, stator winding, inslot insulation groove paper and inter-phase insulation groove paper, the upper end position at stator core is fixed a position to the lead wire side skeleton, stator winding location is at the inboard position of lead wire side skeleton, inslot insulation groove paper and inter-phase insulation groove paper location are in stator core's inboard, the lead wire seat is fixed a position in stator core's bottom, lead wire connector and lead wire's position are connected to the lead wire seat, the inboard integrated positioning of lead wire side skeleton has the support body, the inboard integrated positioning of stator core has the iron core seat.
Preferably, the rotor main body comprises a rotor end plate, an upper balance block, a rivet, a rotor core, a lower balance block and an electromagnetic block, wherein the rotor end plate is positioned at the upper end and the lower end of the rotor core, the electromagnetic block is positioned at the inner side of the outer ring of the rotor core, the upper balance block is positioned at the upper end of the rotor core, the lower balance block is positioned at the lower end of the rotor core, the rivet penetrates through the rotor core, a first positioning groove is formed in the upper balance block, and a second positioning groove is formed in the lower balance block.
Preferably, the stator core, the lead side frame and the stator winding are positioned and installed, the bottom of the stator core is positioned with the lead seat, the lead seat is electrically connected with the lead connector and the lead, and the inner side of the stator core is positioned with the insulation slot paper and the interphase insulation slot paper in the slot.
Preferably, the lead side framework and the frame body are integrally formed through casting, and the stator iron core and the iron core seat are integrally formed through casting.
Preferably, the rivet positions the rotor end plate and the rotor core, the upper balance weight and the lower balance weight are positioned, and the electromagnetic block is clamped at the inner side of the rotor core.
Preferably, the upper balance weight is positioned through a first positioning groove, and the lower balance weight is positioned through a second positioning groove.
The beneficial effects are that: compared with the prior art, the utility model provides a sine wave permanent magnet synchronous motor, which has the following beneficial effects: the sine wave permanent magnet synchronous motor has the advantages that the brand-new outer diameter size is used for adapting to the requirements of users, and meanwhile, the upper power limit of the motor is improved, so that the motor has better adjustable capacity; the novel air gap magnetic field structure is optimally designed, and the rotor adopts a non-uniform unequal air gap design; the stator is a fixed part of the motor, the stator is composed of a stator core, a resin skeleton, a stator winding and an in-groove phase-visible insulating paper, the stator mainly aims at generating a rotating magnetic field, the rotor is a non-fixed part of the motor, the rotor is composed of a rotor core, magnetic steel, a balancing weight and the like, the rotor is effective in outputting torque, high-frequency vibration is effectively improved, the effect is obvious in a motor performance endurance test, the whole sine wave permanent magnet synchronous motor is simple in structure and convenient to operate, and the using effect is better than that of the traditional mode.
Drawings
Fig. 1 is a schematic diagram of the overall structure of a stator of a sine wave permanent magnet synchronous motor according to the present utility model.
Fig. 2 is a schematic structural diagram of the inside of a stator in a sine wave permanent magnet synchronous motor according to the present utility model.
Fig. 3 is a schematic structural diagram of a rotor in a sine wave permanent magnet synchronous motor according to the present utility model.
Fig. 4 is a schematic structural diagram of a lead side skeleton in a sine wave permanent magnet synchronous motor according to the present utility model.
Fig. 5 is a schematic structural diagram of a stator core in a sine wave permanent magnet synchronous motor according to the present utility model.
Fig. 6 is a schematic structural diagram of a stator winding in a sine wave permanent magnet synchronous motor according to the present utility model.
Fig. 7 is a schematic structural diagram of insulation slot paper in a slot in a sine wave permanent magnet synchronous motor.
Fig. 8 is a schematic structural diagram of interphase insulation slot paper in a sine wave permanent magnet synchronous motor.
Fig. 9 is a schematic structural view of a rotor core in a sine wave permanent magnet synchronous motor according to the present utility model.
Fig. 10 is a schematic structural diagram of an upper balance weight in a sine wave permanent magnet synchronous motor according to the present utility model.
Fig. 11 is a schematic structural diagram of a lower balance block in a sine wave permanent magnet synchronous motor according to the present utility model.
In the figure: 1. a stator body; 2. a lead wire; 3. a stator core; 4. a lead side frame; 5. a lead wire connector; 6. a lead holder; 7. a stator winding; 8. insulation paper in the tank; 9. interphase insulation slot paper; 10. a rotor body; 11. a rotor end plate; 12. an upper balance block; 13. a rivet; 14. a rotor core; 15. a lower balance block; 16. an electromagnetic block; 17. a frame body; 18. a core print seat; 19. a first positioning groove; 20. and a second positioning groove.
Description of the embodiments
The technical solution of the present utility model will be clearly and completely described below with reference to the accompanying drawings and detailed description, but it will be understood by those skilled in the art that the examples described below are some, but not all, examples of the present utility model, and are intended to be illustrative of the present utility model only and should not be construed as limiting the scope of the present utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model. The specific conditions are not noted in the examples and are carried out according to conventional conditions or conditions recommended by the manufacturer. The reagents or apparatus used were conventional products commercially available without the manufacturer's attention.
In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
As shown in fig. 1-11, a sine wave permanent magnet synchronous motor comprises a stator main body 1 and a rotor main body 10, wherein the stator main body 1 comprises a lead 2, a stator core 3, a lead side framework 4, a lead connector 5, a lead seat 6, a stator winding 7, in-slot insulation slot paper 8 and inter-phase insulation slot paper 9, the lead side framework 4 is positioned at the upper end position of the stator core 3, the stator winding 7 is positioned at the inner side position of the lead side framework 4, the in-slot insulation slot paper 8 and the inter-phase insulation slot paper 9 are positioned at the inner side of the stator core 3, the lead seat 6 is positioned at the bottom of the stator core 3, the lead seat 6 is connected with the lead connector 5 and the lead 2, a frame 17 is integrally positioned at the inner side of the lead side framework 4, an iron core seat 18 is integrally positioned at the inner side of the stator core 3, the high-frequency vibration is effectively improved, the effect is obvious in a motor performance endurance test, the upper limit of motor power is improved, the brand new air gap magnetic field structure is optimally designed, and the motor has better possibility of regulation and control.
Further, the rotor main body 10 includes a rotor end plate 11, an upper balance block 12, a rivet 13, a rotor core 14, a lower balance block 15 and an electromagnetic block 16, the rotor end plate 11 is positioned at the upper end and the lower end of the rotor core 14, the electromagnetic block 16 is positioned at the inner side of the outer ring of the rotor core 14, the upper balance block 12 is positioned at the upper end of the rotor core 14, the lower balance block 15 is positioned at the lower end of the rotor core 14, the rivet 13 penetrates through the rotor core 14, a first positioning groove 19 is formed in the upper balance block 12, and a second positioning groove 20 is formed in the lower balance block 15.
Further, the stator core 3, the lead side frame 4 and the stator winding 7 are positioned and installed, the bottom of the stator core 3 is positioned with the lead seat 6, the lead seat 6 is electrically connected with the lead connector 5 and the lead 2, and the inner side of the stator core 3 is positioned with the insulation slot paper 8 and the inter-phase insulation slot paper 9.
Further, the lead side frame 4 and the frame 17 are integrally formed by casting, and the stator core 3 and the core base 18 are integrally formed by casting.
Further, the rivet 13 positions the rotor end plate 11 and the rotor core 14, positions the rotor core 14 and the upper and lower weights 12, 15, and the electromagnetic block 16 is engaged with the inner side of the rotor core 14.
Further, the upper balance weight 12 is positioned by the first positioning groove 19, and the lower balance weight 15 is positioned by the second positioning groove 20.
Working principle: the utility model comprises a stator main body 1, a lead 2, a stator core 3, a lead side framework 4, a lead connector 5, a lead seat 6, a stator winding 7, slot insulation slot paper 8, inter-phase insulation slot paper 9, a rotor main body 10, a rotor end plate 11, an upper balance block 12, a rivet 13, a rotor core 14, a lower balance block 15, an electromagnetic block 16, a frame 17, a core seat 18, a first positioning groove 19 and a second positioning groove 20, wherein high-frequency vibration is effectively improved, the effect is obvious in a motor performance endurance test, the upper limit of motor power is improved, and a brand new air gap magnetic field structure is optimally designed, so that the motor has better adjustable capacity;
lead wire side skeleton: the stator top copper coil support piece and the insulation protection piece, PBT resin material injection molding integrated into one piece is connected with the iron core through bottom stuck point, and the skeleton periphery is equipped with the coil groove, and the copper line is gone into the inslot when outer the winding of copper line can effectively protect the copper line insulation. The binding holes are reserved, so that the outgoing wire copper wires of the motor and the resin skeleton binding tool are integrated, loose and shake of the copper wires is prevented, and motor noise can be effectively reduced;
stator core: the stator core functions as a part of the magnetic circuit of the motor and embeds the stator windings. The stator core is formed by laminating silicon steel sheets, the iron core and the framework are matched and embedded with stator windings, so that the windings are mutually insulated from the iron core, and the iron core loss caused by a rotating magnetic field in the stator core is reduced;
stator winding: the winding is a generic term for a phase or whole electromagnetic circuit composed of a plurality of coils or coil groups;
insulation groove paper: insulation in the sub-tank and interphase insulation are realized, the M238 coiled material equipment is automatically inserted, and through the matching installation of the clamping points of the framework, interphase insulation paper can more effectively space copper wires (prevent interphase breakdown) to play the roles of insulation protection and copper wire breakage prevention;
rotor core: as part of the motor's magnetic circuit, rotor electromagnetic blocks and balancing blocks are placed. The iron core is formed by stacking silicon steel sheets with the same thickness, each silicon steel sheet is connected through a self-buckling point, the iron core is beneficial to weight reduction and ventilation by adopting a non-uniform unequal air gap design, and all parts of the rotor are connected through rivets;
a rotor end plate: in order to prevent the magnetic steel from being thrown out during high-speed operation of the motor, the magnetic steel is tightly attached to the rotor core through rivets; holes which are designed to be equal to the rotor core are adopted on the end plate, so that the rotor ventilation is facilitated and the cooling is convenient;
and (3) rivet: the device is used for fixing parts of the rotor and preventing the parts of the rotor from being scattered in the high-speed running process;
electromagnetic block: in the motor, magnetic steel is used as a part of a magnetic circuit, a variable frequency power supply is supplied to a coil by a controller, a magnetic field is generated to drive the motor to operate, and the magnetic steel is made of neodymium-ferrum-boron-rare earth;
balance weight: the rotor and the product quality formed by the rotor are improved, noise and vibration are reduced, the whole rotor reaches the rated balance quantity, and the rotor is installed at two sides.
It should be noted that in this document, relational terms such as first and second (first and second), and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.
The foregoing has shown and described the basic principles and main features of the present utility model and the advantages of the present utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims.
Claims (6)
1. The utility model provides a sine wave permanent magnet synchronous motor, includes stator main part (1) and rotor main part (10), its characterized in that: the stator main body (1) comprises a lead (2), a stator core (3), a lead side framework (4), a lead connector (5), a lead seat (6), a stator winding (7), in-groove insulation slot paper (8) and interphase insulation slot paper (9), the lead side framework (4) is positioned at the upper end position of the stator core (3), the stator winding (7) is positioned at the inner side position of the lead side framework (4), the in-groove insulation slot paper (8) and the interphase insulation slot paper (9) are positioned at the inner side of the stator core (3), the lead seat (6) is positioned at the bottom of the stator core (3), the lead seat (6) is connected with the lead connector (5) and the lead (2), the inner side of the lead side framework (4) is integrally positioned with a frame body (17), and the inner side of the stator core (3) is integrally positioned with a core seat (18).
2. A sine wave permanent magnet synchronous motor according to claim 1, wherein: rotor main part (10) is including rotor end plate (11), last balancing piece (12), rivet (13), rotor core (14), lower balancing piece (15) and electromagnetism piece (16), rotor end plate (11) location is in the upper and lower both ends position of rotor core (14), electromagnetism piece (16) are located the inboard position of outer lane of rotor core (14), go up the upper end that balancing piece (12) are located rotor core (14), lower balancing piece (15) are located the lower extreme of rotor core (14), the position that rotor core (14) are run through to rivet (13), first constant head tank (19) have been seted up on going up balancing piece (12), second constant head tank (20) have been seted up on lower balancing piece (15).
3. A sine wave permanent magnet synchronous motor according to claim 1, wherein: the stator core is characterized in that the stator core (3), the lead side framework (4) and the stator winding (7) are positioned and installed, the bottom of the stator core (3) is positioned with the lead seat (6), the lead seat (6) is electrically connected with the lead connector (5) and the lead (2), and the inner side of the stator core (3) is positioned with the insulation slot paper (8) and the interphase insulation slot paper (9) in the slot.
4. A sine wave permanent magnet synchronous motor according to claim 1, wherein: the lead side framework (4) and the frame body (17) are integrally formed through casting, and the stator iron core (3) and the iron core seat (18) are integrally formed through casting.
5. A sine wave permanent magnet synchronous motor according to claim 2, wherein: the rivet (13) positions the rotor end plate (11) and the rotor core (14), the rotor core (14) is positioned between the upper balance weight (12) and the lower balance weight (15), and the electromagnetic block (16) is clamped at the inner side of the rotor core (14).
6. A sine wave permanent magnet synchronous motor according to claim 2, wherein: the upper balance weight (12) is positioned through a first positioning groove (19), and the lower balance weight (15) is positioned through a second positioning groove (20).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320743518.9U CN219287353U (en) | 2023-04-07 | 2023-04-07 | Sine wave permanent magnet synchronous motor |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320743518.9U CN219287353U (en) | 2023-04-07 | 2023-04-07 | Sine wave permanent magnet synchronous motor |
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| Publication Number | Publication Date |
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| CN219287353U true CN219287353U (en) | 2023-06-30 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202320743518.9U Active CN219287353U (en) | 2023-04-07 | 2023-04-07 | Sine wave permanent magnet synchronous motor |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118199306A (en) * | 2024-05-17 | 2024-06-14 | 苏州博特蒙电机有限公司 | Sinusoidal brushless permanent magnet motor and preparation method thereof |
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2023
- 2023-04-07 CN CN202320743518.9U patent/CN219287353U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118199306A (en) * | 2024-05-17 | 2024-06-14 | 苏州博特蒙电机有限公司 | Sinusoidal brushless permanent magnet motor and preparation method thereof |
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