Motor module
By designing a compact and stable motor module structure, using spliced stator windings and double oblique rotor components, precise position detection and high-efficiency energy consumption savings are achieved, the motor position detection deviation, poor heat dissipation and inconvenient maintenance are solved, and the motor stability and reliability are improved.
Patent Information
- Application Number
- CN202422185023.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-09-06
- Publication Date
- 2025-07-04
- Estimated Expiration
- 2034-09-06
AI Technical Summary
The existing motors have problems such as deviation in position detection, poor heat dissipation, and inconvenient maintenance.
A motor module is designed, including a housing, a stator winding, a rotor assembly, a control assembly and a rotating shaft, which is fixed together by a first end cover and a second end cover, and adopts a spliced stator winding and a double oblique rotor assembly. The encoder is electrically connected to the control board for accurate position detection and control.
It improves the vibration resistance and mechanical stability of the motor, simplifies the maintenance process, reduces maintenance costs, improves control accuracy and energy efficiency ratio, enhances heat dissipation performance, adapts to different sizes and power requirements, and reduces energy consumption.
Smart Images
Figure CN223066889U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of motors, in particular to a motor module. Background Art
[0002] A brushless motor is a type of motor, also known as a brushless DC motor or an electronically controlled speed motor. Compared to conventional brushed DC motors, brushless motors do not require brushes and collector rings for commutation, so they have higher efficiency, longer life, and lower maintenance requirements. The working principle of a brushless motor is to use an electronic controller to achieve timely switching of current to drive the motor rotor to rotate. It usually consists of a stator and a rotor. The stator contains several coils that generate a rotating magnetic field by switching current. The rotor is equipped with permanent magnets or magnets, which rotate due to the rotating magnetic field.
[0003] In actual use, the existing motors have structural limitations, which lead to problems such as deviation in motor position detection, poor heat dissipation, and inconvenient maintenance. Therefore, new improvements can be made to the existing motor structure. Utility Model Content
[0004] In order to solve the above problems, the utility model provides a motor module with multiple technical effects such as compactness and stability, convenient maintenance, high integration of control components, precise position detection, excellent heat dissipation performance and high efficiency and energy saving.
[0005] The technical solution adopted by the utility model is: a motor module, including a shell, a stator winding, a rotor assembly, a control assembly and a rotating shaft, the shell is provided with a placement cavity, the shell is respectively provided with a first end cover and a second end cover on both sides of the placement cavity, the stator winding is arranged in the placement cavity, the rotating shaft is rotatably arranged on the first end cover and the second end cover, the rotor assembly is arranged on the rotating shaft, the control assembly includes a control back cover and a control board arranged in the control back cover, the control back cover is arranged at one end of the shell away from the first end cover, an encoder is arranged at one end of the rotating shaft, and the encoder is electrically connected to the control board.
[0006] A further improvement to the above solution is that a mounting hole is provided on one side of the housing, and the mounting hole is used to insert a connector to fix the stator winding in the placement cavity.
[0007] A further improvement to the above solution is that a fixed slide groove is provided on one side of the shell.
[0008] A further improvement to the above solution is that both the first end cover and the second end cover are provided with bearings, and the rotating shaft is rotatably connected to the bearings.
[0009] A further improvement to the above solution is that the stator winding is formed by splicing multiple stator components. The stator component includes a stator skeleton, an upper bracket, a lower bracket, and a coil. Splicing bosses and splicing grooves are respectively arranged on both sides of the stator skeleton. Adjacent two stator components are connected through the splicing bosses and the splicing grooves. The upper bracket and the lower bracket are respectively arranged on the upper and lower sides of the stator skeleton and form a winding groove, and the coil is wound around the winding groove.
[0010] A further improvement to the above solution is that the stator skeleton includes an outer arc ring, connecting columns, and an inner arc ring. The outer arc ring and the inner arc ring are connected through the connecting columns. Both sides of the outer arc ring and the inner arc ring extend outwards; the splicing bosses and the splicing grooves are respectively arranged on both sides of the outer arc ring; positioning bosses and positioning grooves are respectively arranged on both sides of the inner arc ring. Adjacent two stator components are positioned and spliced through the positioning bosses and the positioning grooves.
[0011] A further improvement to the above solution is that upper insertion blocks are arranged on both sides of the upper bracket, and an upper mating groove is formed between the two upper insertion blocks. The upper mating groove is used to mate with the upper side of the connecting column, and both ends of the upper insertion block respectively abut against the outer arc ring and the inner arc ring; lower insertion blocks are arranged on both sides of the lower bracket, and a lower mating groove is formed between the two lower insertion blocks. The lower mating groove is used to mate with the lower side of the connecting column, and both ends of the lower insertion block respectively abut against the outer arc ring and the inner arc ring.
[0012] A further improvement to the above solution is that the rotor assembly includes a rotor bracket, a first magnetic pole element, and a second magnetic pole element; the rotating shaft is arranged at the center of the rotor bracket. The rotor bracket includes an upper end portion and a lower end portion. A plurality of first magnetic pole grooves are arranged on the outer periphery of the upper end portion, and a plurality of second magnetic pole grooves are arranged on the outer periphery of the lower end portion. The first magnetic pole element is arranged on the first magnetic pole groove, and the second magnetic pole element is arranged on the second magnetic pole groove.
[0013] A further improvement to the above solution is that an angle a is formed between the vertical line of the axis of the rotating shaft and the first magnetic pole element, and an angle b is formed between the center line of the vertical line of the axis of the rotating shaft and the center line of the second magnetic pole element, and the angle a is greater than or less than the angle b.
[0014] A further improvement to the above solution is that a fixed mating hole is arranged at the center of the rotor bracket, and the rotating shaft is provided with a fixed connection end, and the fixed connection end is used for fixedly connecting the fixed mating hole.
[0015] A further improvement to the above solution is that a first pin hole is arranged on the upper end portion, and a second pin hole is arranged on the lower end portion. The first pin hole and the second pin hole are coaxially arranged, and a fixed shaft pin connection is arranged between the first pin hole and the second pin hole.
[0016] A further improvement to the above solution is that a plurality of weight-reducing grooves are provided on the rotor bracket, and the plurality of weight-reducing grooves are circumferentially arranged on the rotor bracket.
[0017] A further improvement to the above solution is that first positioning bars are arranged at intervals between two adjacent first magnetic pole grooves, and two adjacent first positioning bars are used for fixing the end faces of the first magnetic pole elements; second positioning bars are arranged at intervals between two adjacent second magnetic pole grooves, and two adjacent second positioning bars are used for fixing the end faces of the second magnetic pole elements; the first positioning bars and the second positioning bars are arranged staggeredly.
[0018] A further improvement to the above solution is that the first magnetic pole element is a rotor magnetic tile, and a first arc surface is provided on the outer periphery of the first magnetic pole element; the second magnetic pole element is a rotor magnetic tile, and a second arc surface is provided on the outer periphery of the second magnetic pole element; the outer diameter dimensions of the first arc surface and the second arc surface are the same.
[0019] A further improvement to the above solution is that the rotating shaft includes a first connection end, a fixed connection end, a second connection end, and an output connection end arranged in sequence. The encoder is arranged at the first connection end, the rotor assembly is arranged at the fixed connection end, a slip ring is arranged at the second connection end, and one end of the output connection end is connected to the second connection end and the other end passes through the slip ring and extends to the outside of the slip ring.
[0020] The beneficial effects of the present utility model are:
[0021] Compared with the existing motor module, an installation cavity is provided inside the housing of the present utility model, and the stator winding, the rotor assembly, and the rotating shaft are fixed together through the first end cover and the second end cover, forming a compact and stable overall structure. This design can effectively improve the anti-vibration ability and mechanical stability of the motor, ensuring the reliability of the motor during operation. The design of using the first end cover and the second end cover makes the maintenance and replacement of components of the motor module more convenient. This is beneficial to reducing the downtime and maintenance cost of the equipment, improving the maintainability and reliability of the motor. The control component includes a control rear cover and a control board. This design helps to improve the integration degree of the control component, reduces the space occupation of the motor module, simplifies the wiring of the control system at the same time, and improves the stability and reliability of the overall system. An encoder is provided at one end of the rotating shaft, and the encoder is electrically connected to the control board, which can achieve precise detection and feedback of the position of the rotating shaft. This is beneficial to improving the control accuracy and positioning accuracy of the motor, meeting the application scenarios with higher requirements for motion control accuracy. Through the linkage between the encoder and the control board, precise control of the motor can be achieved, which can improve the energy efficiency ratio of the motor, reduce energy consumption, and achieve the effect of energy conservation and emission reduction. The present utility model has multiple technical effects such as being compact and stable, convenient for maintenance, high integration degree of the control component, precise position detection, excellent heat dissipation performance, and efficient energy consumption saving, providing a comprehensive optimization solution for the performance and reliability of the motor module.
[0022] The stator winding is split into multiple stator components, and the connection method of splicing bosses and splicing grooves is adopted, making the overall winding structure more flexible and facilitating expansion or reduction according to actual needs. This design can adapt to motors with different sizes and power requirements, improving the versatility and flexibility of production. Splicing bosses and splicing grooves are provided on both sides of the stator skeleton, and this structure is used to connect adjacent stator components, simplifying the manufacturing process, effectively improving the assembly efficiency, and reducing the production cost. The upper support and the lower support are respectively arranged on the upper and lower sides of the stator skeleton and form a winding groove. Such a design is beneficial to heat dissipation, enabling the winding to maintain a lower temperature during operation, improving the stability and reliability of the motor. The coil is wound around the winding groove, which can effectively fix the position of the coil, help improve the insulation performance of the winding, reduce the risk of wear and short circuit between coils or between the coil and the stator skeleton, and improve the safety of the motor. The present utility model provides an efficient and reliable solution for the stator winding of the motor through multiple technical effects such as flexible and expandable design, improving manufacturing efficiency, optimizing heat dissipation performance, improving insulation performance, and reducing energy consumption.
[0023] The motor module adopting the above stator winding realizes a compact layout of the entire motor module structure by arranging the annular stator winding inside the housing and the rotor assembly inside the inner diameter of the annular stator winding. This design enables the motor module to accommodate more coils in a limited space, improving the power density and performance of the motor. The design of the spliced stator winding enables flexible customization and adjustment of the motor module according to actual needs. Motor modules with different sizes and power requirements can be satisfied by splicing different numbers and specifications of stator components, improving the versatility and flexibility of production. The annular stator winding is arranged inside the housing, which is beneficial to improving the heat dissipation and conduction efficiency. Such a design can effectively reduce the temperature of the motor during operation, improving the stability and reliability of the motor. The design of the spliced stator winding simplifies the assembly process, making the manufacturing process of the motor module more convenient and efficient. It is also beneficial to daily maintenance and servicing, reducing the equipment maintenance cost and extending the service life of the equipment. This motor module solution can fully utilize the compact design, flexible and adjustable stator winding, improved heat dissipation and conduction efficiency, convenient assembly and maintenance, and material saving, providing a comprehensive optimization solution for the performance and reliability of the motor module.
[0024] The rotor assembly is provided with components such as a rotor bracket, magnetic pole elements, and magnetic pole slots, making the magnetic force transmission more stable and efficient. By utilizing the difference between angle a and angle b, force transmission in different directions can be achieved, thereby improving the transmission efficiency. By adjusting the magnitude relationship between angle a and angle b, the direction of force transmission can be precisely controlled, realizing precise control of the magnetic force transmission process. This precise control helps to adapt to diverse working requirements, improving the flexibility and applicability of the equipment. Since the rotor assembly and the stator winding adopt a double skewed pole design, which can improve the transmission efficiency, energy consumption can be reduced during actual operation, and the noise level during mechanical transmission can be lowered, improving the overall working environment and efficiency. The double skewed pole design adopts a relatively simplified structure, reducing the friction and wear between components, improving the overall stability and reliability, and reducing the maintenance cost and failure rate. In this embodiment, through reasonable structural design and magnetic force transmission principle, multiple technical effects such as improved transmission efficiency, precise control of the force transmission direction, reduction of energy consumption and noise, and improvement of structural stability are achieved. BRIEF DESCRIPTION OF THE DRAWINGS
[0025] Figure 1 is a three-dimensional structural schematic diagram of the motor module of the present utility model;
[0026] Figure 2 is Figure 1 the exploded view of the motor module in
[0027] Figure 3 is Figure 1 the exploded view of the motor module from another perspective in
[0028] Figure 4 is Figure 1 the front view schematic diagram of the motor module in
[0029] Figure 5 is Figure 4 the sectional view taken along A-A in
[0030] Figure 6 is Figure 1 the structural schematic diagram of the stator winding of the motor module in
[0031] Figure 7 is Figure 6 the exploded schematic diagram of the stator winding in
[0032] Figure 8 is Figure 1 the structural schematic diagram of the rotor assembly of the motor module in
[0033] Figure 9 is Figure 1 the internal structural schematic diagram of the rotor assembly of the motor module in
[0034] Figure 10 is Figure 1 the front view structural schematic diagram of the rotor assembly of the motor module in
[0035] Figure 11 is Figure 1 the structural schematic diagram of the control component of the motor module in
[0036] Explanation of reference numerals: housing 1, placement cavity 11, first end cover 12, second end cover 13, assembly hole 14, fixed sliding groove 15, stator winding 2, stator skeleton 21, outer arc ring 211, connecting column 212, inner arc ring 213, positioning boss 214 and positioning groove 215, upper end bracket 22, upper insertion block 221, upper mating groove 222, lower end bracket 23, lower insertion block 231, lower mating groove 232, coil 24, splicing boss 25, splicing groove 26, rotor assembly 3, rotor bracket 31, upper end portion 311, first pin hole 3111, lower end portion 312, second pin hole 3121, first pole slot 313, first positioning stop 3131, second pole slot 314, second positioning stop 3141, fixed mating hole 315, fixed shaft pin 316, weight reduction groove 317, first pole element 32, first arc surface 321, second pole element 33, second arc surface 331, control component 4, control rear cover 41, panel 411, interface 412, control board 42, heat transfer plate 421, rotating shaft 5, first connection end 51, fixed connection end 52, second connection end 53, output connection end 54, electric slip ring 55, encoder 6. Detailed implementation manners
[0037] For the convenience of understanding the present utility model, the present utility model will be described more comprehensively below with reference to the relevant drawings. The preferred embodiments of the present utility model are shown in the drawings. However, the present utility model can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the understanding of the disclosure of the present utility model more thorough and comprehensive.
[0038] It should be noted that when an element is referred to as being "fixed to" another element, it can be directly on the other element or there may also be an intermediate element. When an element is considered to be "connected" to another element, it can be directly connected to the other element or there may be an intermediate element at the same time.
[0039] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by those skilled in the technical field to which the present utility model belongs. The terms used in the description of the present utility model in this article are only for the purpose of describing specific embodiments and are not intended to limit the present utility model. As Figures 1 to 11As shown in the figure, in an embodiment of the present utility model, a motor module is involved, which includes a housing 1, a stator winding 2, a rotor assembly 3, a control component 4, and a rotating shaft 5. The housing 1 is provided with an accommodation cavity 11. On both sides of the housing 1 located in the accommodation cavity 11, a first end cover 12 and a second end cover 13 are respectively provided. The stator winding 2 is arranged in the accommodation cavity 11. The rotating shaft 5 is rotatably arranged on the first end cover 12 and the second end cover 13. The rotor assembly 3 is arranged inside the rotating shaft 5. The control component 4 includes a control rear cover 41 and a control board 42 arranged inside the control rear cover 41. One end of the rotating shaft 5 is provided with an encoder 6, and the encoder 6 is electrically connected to the control board 42. In this embodiment, the accommodation cavity 11 is arranged inside the housing 1, and the stator winding 2, the rotor assembly 3, and the rotating shaft 5 are fixed together through the first end cover 12 and the second end cover 13, forming a compact and stable overall structure. This design can effectively improve the anti-vibration ability and mechanical stability of the motor, and ensure the reliability of the motor during operation. The design of using the first end cover 12 and the second end cover 13 makes the maintenance and replacement of parts of the motor module more convenient. This is beneficial to reducing the downtime and maintenance cost of the equipment, and improving the maintainability and reliability of the motor. The control component 4 includes the control rear cover 41 and the control board 42. This design helps to improve the integration degree of the control component 4, reduces the space occupied by the motor module, simplifies the wiring of the control system at the same time, and improves the stability and reliability of the overall system. An encoder 6 is arranged at one end of the rotating shaft 5, and the encoder 6 is electrically connected to the control board 42, which can realize the accurate detection and feedback of the position of the rotating shaft 5. This is beneficial to improving the control accuracy and positioning accuracy of the motor, and meeting the application scenarios with higher requirements for motion control accuracy. Through the linkage of the encoder 6 and the control board 42, the precise control of the motor is realized, which can improve the energy efficiency ratio of the motor, reduce energy consumption, and achieve the effect of energy conservation and emission reduction. The present utility model has multiple technical effects such as compact and stable, convenient maintenance, high integration degree of the control component 4, accurate position detection, excellent heat dissipation performance, and efficient energy consumption saving, providing a comprehensive optimization scheme for the performance and reliability of the motor module.
[0040] An assembly hole 14 is provided on one side of the housing 1. The assembly hole 14 is used to install a connecting piece to fix the stator winding 2 in the placement cavity 11. A fixed sliding groove 15 is provided on one side of the housing 1. Specifically, bearings are provided on both the first end cover 12 and the second end cover 13, and the rotating shaft 5 is rotatably connected to the bearings. In this embodiment, the stator winding 2 is fixed in the placement cavity 11 through the assembly hole 14 and the connecting piece, achieving stable stator fixation. This design can ensure that the stator winding 2 does not loosen or shift during operation, improving the working stability and safety of the motor. The assembly hole 14 is used to install a connecting piece, and the connecting piece is a screw, making the maintenance and replacement of the stator winding 2 more convenient. Such a structural design is beneficial for daily maintenance and repair, reducing the downtime and maintenance cost of the equipment. Bearings are provided on both the first end cover 12 and the second end cover 13, and the rotating shaft 5 is rotatably connected to the bearings. This design enables the rotating shaft 5 to rotate smoothly within the bearings. This is beneficial for reducing the frictional loss of the rotating shaft 5 and extending the service life of the motor. The setting of the bearings enhances the overall mechanical stability of the motor. Such a structural design helps to reduce the vibration and noise of the motor during operation, improving the working stability and safety of the motor. Refer to Figures 6 to 7As shown in the figure, the stator winding 2 is formed by splicing multiple stator components. The stator components include a stator skeleton 21, an upper end bracket 22, a lower end bracket 23, and a coil 24. Splicing bosses 25 and splicing grooves 26 are respectively arranged on both sides of the stator skeleton 21. Adjacent stator components are connected through the splicing bosses 25 and the splicing grooves 26. The upper end bracket 22 and the lower end bracket 23 are respectively arranged on the upper and lower sides of the stator skeleton 21 and form a winding groove. The coil 24 is wound around the winding groove. In this embodiment, the stator winding 2 is split into multiple stator components, and the connection method of the splicing bosses 25 and the splicing grooves 26 is adopted, making the overall winding structure more flexible and facilitating expansion or reduction according to actual needs. This design can adapt to motors with different sizes and power requirements, improving the versatility and flexibility of production. The splicing bosses 25 and the splicing grooves 26 are arranged on both sides of the stator skeleton 21, and this structure is used for connection between adjacent stator components, simplifying the manufacturing process and effectively improving the assembly efficiency and reducing the production cost. The upper end bracket 22 and the lower end bracket 23 are respectively arranged on the upper and lower sides of the stator skeleton 21 and form a winding groove. Such a design is beneficial to heat dissipation, enabling the winding to maintain a lower temperature during operation, improving the stability and reliability of the motor. The coil 24 is wound around the winding groove, which can effectively fix the position of the coil 24 and contribute to improving the insulation performance of the winding, reducing the risk of wear and short circuit between the coils 24 or between the coil 24 and the stator skeleton 21, and improving the safety of the motor. Through multiple technical effects such as flexible and expandable design, improved manufacturing efficiency, optimized heat dissipation performance, improved insulation performance, and reduced energy consumption, the present utility model provides an efficient and reliable solution for the stator winding 2 of the motor.
[0041] For the motor module adopting the above-mentioned stator winding 2, by arranging the annular stator winding 2 inside the housing 1 and the rotor assembly 3 inside the inner diameter of the annular stator winding 2, a compact layout of the entire motor module structure is achieved. This design enables the motor module to accommodate more coils 24 within a limited space, improving the power density and performance of the motor. The design of the spliced stator winding 2 enables flexible customization and adjustment of the motor module according to actual requirements. Motor modules with different sizes and power requirements can be satisfied by splicing stator components with different quantities and specifications, improving the versatility and flexibility of production. The annular stator winding 2 is arranged inside the housing 1, which is beneficial to improving the heat dissipation and conduction efficiency. Such a design can effectively reduce the temperature during the operation of the motor, improving the stability and reliability of the motor. The design of the spliced stator winding 2 simplifies the assembly process, making the manufacturing process of the motor module more convenient and efficient. It is also beneficial to daily maintenance and servicing, reducing the equipment maintenance cost and extending the service life of the equipment. This motor module solution can give full play to the compact design, flexible and adjustable stator winding 2, improved heat dissipation and conduction efficiency, convenient assembly and maintenance, and material saving, providing a comprehensive optimization solution for the performance and reliability of the motor module.
[0042] Referring to Figure 7 As shown, the stator skeleton 21 includes an outer arc ring 211, connecting columns 212, and an inner arc ring 213. The outer arc ring 211 and the inner arc ring 213 are connected by the connecting columns 212, and both sides of the outer arc ring 211 and the inner arc ring 213 extend outward; the splicing bosses 25 and the splicing grooves 26 are respectively arranged on both sides of the outer arc ring 211; positioning bosses 214 and positioning grooves 215 are respectively arranged on both sides of the inner arc ring 213, and adjacent stator components are positioned and spliced through the positioning bosses 214 and the positioning grooves 215. In this embodiment, through the connection design of the outer arc ring 211, the connecting columns 212, and the inner arc ring 213, and the arrangement of the splicing bosses 25 and the splicing grooves 26, a firm connection of the stator skeleton 21 structure is achieved. This design can ensure that the stator skeleton 21 will not loosen or be misaligned during operation, improving the working stability and safety of the motor. The arrangement of the positioning bosses 214 and the positioning grooves 215 on the inner arc ring 213 is beneficial to achieving precise positioning and splicing between adjacent stator components. Such a design can ensure the connection accuracy between stator components, improving the manufacturing accuracy and performance of the entire stator winding 2. The extended design of the outer arc ring 211 and the inner arc ring 213 helps to reduce the magnetic resistance loss, improving the efficiency and energy-saving performance of the motor. The design of the outer arc ring 211, the connecting columns 212, and the inner arc ring 213 of the stator skeleton 21 makes the overall structure more compact and reasonable. This helps to save space and improve the integration of the equipment.
[0043] On both sides of the upper support 22, there are upper insertion blocks 221. An upper mating groove 222 is formed between the two upper insertion blocks 221. The upper mating groove 222 is used to mate with the upper side of the connecting column 212. The two ends of the upper insertion block 221 respectively abut against the outer arc ring 211 and the inner arc ring 213. On both sides of the lower support 23, there are lower insertion blocks 231. A lower mating groove 232 is formed between the two lower insertion blocks 231. The lower mating groove 232 is used to mate with the lower side of the connecting column 212. The two ends of the lower insertion block 231 respectively abut against the outer arc ring 211 and the inner arc ring 213. In this embodiment, through the design of the upper insertion block 221, the upper mating groove 222, the lower insertion block 231 and the lower mating groove 232, a firm connection between the support and the connecting column 212 is achieved. This design can ensure that the support will not loosen or be misaligned during operation, improving the working stability and safety of the motor. The design of the upper insertion block 221 and the lower insertion block 231 enables the support to effectively abut against the outer arc ring 211 and the inner arc ring 213, achieving effective mechanical support. This is beneficial to improving the mechanical stability and seismic resistance of the entire stator winding 2 structure. The setting of the upper insertion block 221 and the lower insertion block 231 helps to optimize the structural compactness of the support, which is beneficial to saving space and improving the integration of the equipment.
[0044] Refer to Figures 8 to 10 As shown, the rotor assembly 3 includes a rotor bracket 31, a first magnetic pole element 32 and a second magnetic pole element 33. The rotating shaft 5 is arranged at the center of the rotor bracket 31. The rotor bracket 31 includes an upper end portion 311 and a lower end portion 312. A plurality of first magnetic pole slots 313 are arranged on the outer periphery of the upper end portion 311. A plurality of second magnetic pole slots 314 are arranged on the outer periphery of the lower end portion 312. The first magnetic pole element 32 is arranged on the first magnetic pole slots 313. The second magnetic pole element 33 is arranged on the second magnetic pole slots 314. Specifically, an angle a is formed between the vertical line of the center of the rotating shaft 5 and the first magnetic pole element 32. An angle b is formed between the center line of the vertical line of the center of the rotating shaft 5 and the center line of the second magnetic pole element 33. The angle a is greater than or less than the angle b. In this embodiment, through components such as the rotor bracket 31, the magnetic pole elements and the magnetic pole slots, the magnetic force transmission is made more stable and efficient. By using the difference between the angle a and the angle b, the force transmission in different directions can be realized, thus improving the transmission efficiency. By adjusting the size relationship between the angle a and the angle b, the direction of the force transmission can be precisely controlled, realizing the precise control of the magnetic force transmission process. This precise control helps to adapt to diverse working requirements, improving the flexibility and applicability of the equipment. This embodiment realizes multiple technical effects such as the improvement of the transmission efficiency, the precise control of the force transmission direction, the reduction of the energy consumption and the noise, and the improvement of the structural stability through reasonable structural design and magnetic force transmission principle.
[0045] A fixed mating hole 315 is provided at the axis center of the rotor bracket 31. The rotating shaft 5 is provided with a fixed connection end 52, and the fixed connection end 52 is used for fixedly connecting to the fixed mating hole 315. Specifically, a first pin hole 3111 is provided at the upper end portion 311, a second pin hole 3121 is provided at the lower end portion 312, the first pin hole 3111 and the second pin hole 3121 are coaxially arranged, and a fixed shaft pin 316 is arranged between the first pin hole 3111 and the second pin hole 3121 for connection. A plurality of weight reduction grooves 317 are provided on the rotor bracket 31, and the plurality of weight reduction grooves 317 are circumferentially arranged on the rotor bracket 31. In this embodiment, through the design of the fixed mating hole 315 and the fixed connection end 52, a stable connection between the rotor bracket 31 and the rotating shaft 5 is achieved. This design can ensure that the rotor will not become loose or fall off during operation, improving the working stability and safety of the motor. A plurality of weight reduction grooves 317 are provided on the rotor bracket 31, and this design is beneficial to reducing the weight of the rotor, reducing the inertial force of the rotor, and improving the response speed and operating efficiency of the motor. The weight reduction grooves 317 are circumferentially arranged on the rotor bracket 31, which helps to improve the balance performance of the rotor, reduce the vibration and noise of the rotor during high-speed rotation, and improve the working stability of the motor. The first pin hole 3111 and the second pin hole 3121 are coaxially arranged and connected by the fixed shaft pin 316, which is beneficial to achieving the precise positioning of the rotating shaft 5. This design can ensure that the center position of the rotating shaft 5 of the rotor is accurate, improving the rotor accuracy and operating stability of the motor.
[0046] A first positioning bar 3131 is disposed at intervals between two adjacent first magnetic pole slots 313. Two adjacent first positioning bars 3131 are used to fix the end faces of the first magnetic pole elements 32. A second positioning bar 3141 is disposed at intervals between two adjacent second magnetic pole slots 314. Two adjacent second positioning bars 3141 are used to fix the end faces of the second magnetic pole elements 33. The first positioning bar 3131 and the second positioning bar 3141 are arranged staggeredly. Specifically, the first magnetic pole element 32 is a rotor magnetic tile, and a first arc surface 321 is disposed on the outer periphery of the first magnetic pole element 32. The second magnetic pole element 33 is a rotor magnetic tile, and a second arc surface 331 is disposed on the outer periphery of the second magnetic pole element 33. The outer diameter dimensions of the first arc surface 321 and the second arc surface 331 are the same. In this embodiment, through the design of the first positioning bar 3131 and the second positioning bar 3141, firm fixation of the end faces of the first magnetic pole element 32 and the second magnetic pole element 33 is achieved. This design can ensure that the magnetic pole elements will not become loose or misaligned during operation, improving the working stability and safety of the motor. The first positioning bar 3131 and the second positioning bar 3141 are arranged staggeredly, which is conducive to achieving precise positioning of the magnetic pole elements. This design can ensure that the positions of the magnetic pole elements are accurate, improving the rotor precision and operating stability of the motor. A first arc surface 321 is disposed on the outer periphery of the first magnetic pole element 32, and a second arc surface 331 is disposed on the outer periphery of the second magnetic pole element 33, and the outer diameter dimensions of the first arc surface 321 and the second arc surface 331 are the same. Such a design is conducive to optimizing the magnetic circuit structure, improving the magnetic circuit conduction efficiency and output performance of the motor.
[0047] A heat transfer plate 421 is disposed on one side of the control board 42. The heat transfer plate 421 is used for heat conduction and dissipation of the chips on the control board 42. The control rear cover 41 is provided with a heat dissipation groove corresponding to the heat transfer plate 421 for heat dissipation of the heat transfer plate 421.
[0048] Refer to Figure 11 As shown, in an embodiment, a panel 411 is provided on the control rear cover 41. A plurality of interfaces 412 are provided on the panel 411. One end of the interface 412 is disposed on the control board 42. Providing a plurality of interfaces 412 on the panel facilitates adaptation for connection and use of external devices to expand the applicable range.
[0049] In the above embodiment, a magnetic attraction element can be provided in the first end cover 12. When the present utility model is used as a game simulation steering wheel, it can be used as a magnetic attraction connection and can be adapted for use with an external screen (such as dashboard display, parameter display).
[0050] The rotating shaft 5 includes a first connection end 51, a fixed connection end 52, a second connection end 53, and an output connection end 54 arranged in sequence. The encoder 6 is arranged at the first connection end 51, the rotor assembly 3 is arranged at the fixed connection end 52, a slip ring 55 is arranged at the second connection end 53, one end of the output connection end 54 is connected to the second connection end 53, and the other end passes through the slip ring 55 and extends to the outside of the slip ring 55. In this embodiment, by arranging the encoder 6 at the first connection end 51, accurate monitoring and positioning of the position of the rotating shaft 5 can be achieved. This helps to improve the positioning accuracy and control performance of the motor. Arranging the rotor assembly 3 at the fixed connection end 52 is beneficial to stably install the rotor assembly 3, ensuring that it will not loosen or fall off during rotation, and improving the working stability and safety of the motor. By using the slip ring 55 to connect the output connection end 54 and the second connection end 53, signals and power can be effectively transmitted, providing necessary support for the operation of the motor. The output connection end 54 extending to the outside of the slip ring 55 makes the output part of the motor have a certain flexibility and adjustability, which is beneficial to adapting to different working scenarios and requirements. It is also convenient for wiring and saves space.
[0051] The above embodiments only express several implementation manners of the present utility model, and the description thereof is relatively specific and detailed, but it should not be construed as a limitation on the scope of the patent of the present utility model. It should be noted that for those of ordinary skill in the art, without departing from the concept of the present utility model, several modifications and improvements can still be made, and these all belong to the protection scope of the present utility model. Therefore, the protection scope of the patent of the present utility model shall be subject to the appended claims.
Claims
1. A motor module, characterized in that: It includes a shell, a stator winding, a rotor assembly, a control assembly and a rotating shaft, the shell is provided with a placement cavity, the shell is respectively provided with a first end cover and a second end cover on both sides of the placement cavity, the stator winding is arranged in the placement cavity, the rotating shaft is rotatably arranged on the first end cover and the second end cover, the rotor assembly is arranged on the rotating shaft, the control assembly includes a control back cover and a control board arranged in the control back cover, the control back cover is arranged at the end of the shell opposite to the first end cover, an encoder is arranged at one end of the rotating shaft, and the encoder is electrically connected to the control board; the stator winding is formed by splicing a plurality of stator assemblies, the stator assembly includes a stator frame, an upper bracket, a lower bracket and a coil, splicing bosses and splicing grooves are respectively provided on both sides of the stator frame, and two adjacent stator assemblies are connected by splicing bosses and splicing grooves.
2. The motor module according to claim 1, characterized in that: A mounting hole is provided on one side of the housing, and the mounting hole is used to insert a connector to fix the stator winding in the placement cavity; A fixed slide groove is provided on one side of the shell; The first end cover and the second end cover are both provided with bearings, and the rotating shaft is rotatably connected to the bearings.
3. The motor module according to claim 1, wherein: The upper bracket and the lower bracket are respectively arranged on the upper and lower sides of the stator frame and are formed with winding grooves, and the coils are wound on the winding grooves.
4. The motor module according to claim 3, wherein: The stator frame includes an outer arc ring, a connecting column and an inner arc ring. The outer arc ring is connected to the inner arc ring by a connecting column. Both sides of the outer arc ring and the inner arc ring extend outward. The splicing boss and the splicing groove are respectively arranged on both sides of the outer arc ring. The two sides of the inner arc ring are respectively provided with a positioning boss and a positioning groove. Two adjacent stator assemblies are positioned and spliced by the positioning boss and the positioning groove.
5. The motor module according to claim 4, characterized in that: Upper plug blocks are provided on both sides of the upper end bracket, and an upper matching groove is formed between the upper plug blocks on both sides. The upper matching groove is used to match the upper side of the connecting column, and the two ends of the upper plug block respectively abut the outer arc ring and the inner arc ring; lower plug blocks are provided on both sides of the lower end bracket, and a lower matching groove is formed between the lower plug blocks on both sides. The lower matching groove is used to match the lower side of the connecting column, and the two ends of the lower plug block respectively abut the outer arc ring and the inner arc ring.
6. The motor module according to claim 1, characterized in that: The rotor assembly includes a rotor support, a first magnetic pole element and a second magnetic pole element; the rotating shaft is arranged at the axis center of the rotor support, the rotor support includes an upper end and a lower end, the outer periphery of the upper end is provided with a plurality of first magnetic pole slots, the outer periphery of the lower end is provided with a plurality of second magnetic pole slots, the first magnetic pole element is arranged on the first magnetic pole slot, and the second magnetic pole element is arranged on the second magnetic pole slot.
7. The motor module according to claim 6, wherein: An angle a is formed between the axis perpendicular to the axis of the rotating shaft and the first magnetic pole element, and an angle b is formed between the center line of the axis perpendicular to the axis of the rotating shaft and the center line of the second magnetic pole element. Angle a is greater than or less than angle b.
8. The motor module according to claim 7, wherein: The rotor bracket is provided with a fixed matching hole at the axis center, and the rotating shaft is provided with a fixed connecting end, and the fixed connecting end is used for fixedly connecting the fixed matching hole; The upper end portion is provided with a first pin hole, the lower end portion is provided with a second pin hole, the first pin hole and the second pin hole are coaxially arranged, and a fixed shaft pin is arranged between the first pin hole and the second pin hole for connection; A plurality of weight reduction grooves are arranged on the rotor bracket, and the plurality of weight reduction grooves are arranged circumferentially on the rotor bracket.
9. The motor module according to claim 8, wherein: A first positioning stop is arranged at intervals between two adjacent first magnetic pole grooves, and two adjacent first positioning stops are used for fixing the end face of the first magnetic pole element; a second positioning stop is arranged at intervals between two adjacent second magnetic pole grooves, and two adjacent second positioning stops are used for fixing the end face of the second magnetic pole element; the first positioning stop and the second positioning stop are arranged staggeredly; The first magnetic pole element is a rotor magnetic tile, and a first arc surface is arranged on the outer periphery of the first magnetic pole element; the second magnetic pole element is a rotor magnetic tile, and a second arc surface is arranged on the outer periphery of the second magnetic pole element; the outer diameter dimensions of the first arc surface and the second arc surface are the same.
10. The motor module according to claim 1, characterized in that: The rotating shaft includes a first connection end, a fixed connection end, a second connection end and an output connection end arranged in sequence. The encoder is arranged at the first connection end, the rotor assembly is arranged at the fixed connection end, a slip ring is arranged at the second connection end, and one end of the output connection end is connected to the second connection end and the other end passes through the slip ring and extends to the outside of the slip ring; A panel is arranged on the control rear cover, a plurality of interfaces are arranged on the panel, and one end of the interface is arranged on the control board.