High-performance motor

Abstract

The invention relates to a high-performance motor which comprises a stator and a rotor, the stator comprises an iron core, a plurality of flat wire windings, a plurality of first copper bars and a plurality of second copper bars, the iron core is provided with a through hole and a plurality of winding grooves, each first copper bar is provided with at least one first conductive groove, each second copper bar is provided with at least one second conductive groove, each flat wire winding is arranged in one winding groove, the rotor comprises a rotating shaft and a plurality of magnetic shoes, the rotating shaft is rotatably arranged in the through hole, and the magnetic shoes are respectively arranged on the rotating shaft. The flat-shaped flat wire windings are adopted, the first copper bars and the second copper bars serve as the output ends of the two ends of the flat wire windings respectively, the space utilization rate is increased, the flat wire windings with more volumes are contained, the current density and the power are improved, meanwhile, the multiple magnetic shoes are arranged, an integrated magnetic ring structure is avoided, the weight of a magnetic part on the rotating shaft is reduced, and the cost is reduced. The lightweight design is beneficial for improving the rotating speed, and the prepared high-performance motor is high in space utilization rate, high in power and high in rotating speed.

Description

Technical Field

[0001] The present invention relates to the technical field of drive equipment, and in particular to a high-performance motor. Background Art

[0002] Model cars are remote-controlled toys that simulate real cars. Players can use the remote control to control the car to drive in different venues and road conditions. In China, model cars are becoming more and more popular, and the player group is gradually growing. Among them, straight-line racing models are an important branch of the simulation car industry, mainly used for competitions on straight-line tracks. The focus is on the model car's acceleration ability, maximum speed, and the time that the maximum speed can be maintained. Therefore, there are very high requirements for the power source of the simulation car. In other words, the motor of the simulation car needs to have higher comprehensive performance to meet the higher performance requirements for model cars.

[0003] However, the diameter of the motor of a model car is usually only 50mm-80mm, which is relatively small. The internal space of the motor is limited. Under the existing structure and process, the performance is difficult to improve and cannot meet the increasingly high performance requirements. Therefore, it is necessary to optimize the structure of the motor, improve the utilization rate of the limited internal space of the motor, and obtain a high-speed, high-performance motor. Summary of the Invention

[0004] Based on this, it is necessary to provide a high-performance motor.

[0005] The present invention solves the above technical problems with the following technical solutions: A high-performance motor comprising: The stator includes an iron core, a plurality of flat wire windings, a plurality of first copper bars, and a plurality of second copper bars. The iron core is provided with a through hole and a plurality of winding slots. The through hole and each winding slot are respectively provided through the two end portions of the iron core. Each winding slot is respectively connected to the through hole. Each first copper bar is respectively stacked and provided at the first end of the iron core. Each first copper bar is spaced apart from each other and insulated from each other. Each first copper bar is provided with at least one first conductive slot. The first conductive slots of each first copper bar are staggered. Each second copper bar The second copper bars are respectively stacked and arranged at the second end of the iron core, the second copper bars are spaced apart from each other and insulated from each other, each second copper bar is provided with at least one second conductive slot, and the second conductive slots of the second copper bars are staggered with each other, each flat wire winding is arranged in a winding slot, the first end of each flat wire winding protrudes into a first conductive slot and is electrically connected to the inner side wall of the first conductive slot, and the second end of each flat wire winding protrudes into a second conductive slot and is electrically connected to the inner side wall of the second conductive slot; and The rotor includes a rotating shaft and a plurality of magnetic tiles. The rotating shaft is rotatably arranged in the through hole. The magnetic tiles are respectively arranged on the rotating shaft. The magnetic tiles are spaced apart from each other, and a gap is left between each magnetic tile and the inner wall of the through hole.

[0006] In one embodiment, a first insulating plate and / or a first insulating coating is provided between two adjacent first copper bars.

[0007] In one embodiment, a second insulating plate and / or a second insulating coating is provided between two adjacent second copper bars.

[0008] In one embodiment, the rotating shaft is provided with two end plates, which are spaced apart from each other. The two end plates are respectively provided with a groove. Each of the two ends of the magnetic tile is respectively provided with a boss, and the two bosses at the two ends of each magnetic tile are respectively and one-to-one engaged in the two grooves.

[0009] In one embodiment, each of the flat wire windings includes a plurality of flat conductors, the first end of each of the flat conductors protruding from a first conductive slot and electrically connected to the inner side wall of the first conductive slot, the second end of each of the flat conductors protruding from a second conductive slot and electrically connected to the inner side wall of the second conductive slot, and the flat conductors are stacked and arranged along the length or width direction of the winding slot.

[0010] In one embodiment, at least two flat wires are arranged in parallel along the length or width direction of the winding slot.

[0011] In one embodiment, two first copper bars are provided, and a plurality of first avoidance grooves are provided on the first copper bar close to the iron core. Each of the first avoidance grooves is connected to a first conductive groove of the first copper bar away from the iron core, and the first copper bar away from the iron core covers each of the first conductive grooves of the first copper bar close to the iron core.

[0012] In one embodiment, a thickness of the first copper bar farther from the core is smaller than a thickness of the first copper bar closer to the core.

[0013] In one embodiment, two second copper bars are provided, and a plurality of second avoidance grooves are provided on the second copper bar close to the iron core. Each second avoidance groove is connected to a second conductive groove of the second copper bar away from the iron core, and the second copper bar away from the iron core covers each second conductive groove of the second copper bar close to the iron core.

[0014] In one embodiment, a thickness of the second copper bar farther from the core is smaller than a thickness of the second copper bar closer to the core.

[0015] Compared with the prior art, the present invention has at least the following advantages: The present invention adopts a flat-shaped flat wire winding, and accordingly opens the winding slot into a flat shape, thereby ensuring that the flat wire winding fills the entire winding slot more fully, which is beneficial to improving the space utilization rate of the winding slot, thereby improving the overall space utilization rate inside the high-performance motor. By arranging a plurality of first copper bars and a plurality of second copper bars at the two end portions of the iron core, they can be used to electrically connect the two ends of each flat wire winding, and then the circuit between each first copper bar and the second copper bar is connected to achieve circuit conduction between each flat wire winding, avoiding directly bending the two end portions of each flat wire winding to achieve circuit conduction, saving each The space at the bend of the flat winding further improves the space utilization and accommodates flat wire windings of larger volumes, thereby increasing the current density and power. Multiple first copper bars and multiple second copper bars are conducive to the separate arrangement of each flat wire winding, which can meet more circuit layout requirements and has better applicability. At the same time, multiple magnetic tiles are also provided to avoid the use of an integrated magnetic ring structure, which greatly reduces the weight of the magnetic parts on the rotating shaft, thereby helping to reduce the overall weight of the rotor. The lightweight design of the rotor is conducive to increasing the speed, and works synergistically with the high space utilization to prepare a high-performance motor with high space utilization, high power and high speed. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 A schematic structural diagram of a high-performance motor according to an embodiment; Figure 2 A schematic diagram of a portion of the structure of a high-performance motor according to an embodiment; Figure 3 A schematic diagram of a portion of the structure of a high-performance motor according to an embodiment; Figure 4 A schematic structural diagram of a rotor of a high-performance motor according to an embodiment; Figure 5 A schematic structural diagram of a rotor of a high-performance motor according to an embodiment; Figure 6 A schematic structural diagram of a first copper busbar and a first insulating plate of a high-performance motor according to an embodiment; Figure 7 This is a schematic structural diagram of a first copper busbar and a first insulating plate of a high-performance motor according to another embodiment; Figure 8 A schematic structural diagram of a second copper busbar and a second insulating plate of a high-performance motor according to an embodiment; Figure 9 Schematic diagram of the structure of the second copper busbar and the second insulating plate of a high-performance motor according to another embodiment. DETAILED DESCRIPTION

[0017] It should be noted that, in the absence of conflict, the embodiments and features of the embodiments of the present invention can be combined with each other. The following will further describe the technical solution of the present invention in conjunction with the drawings of the embodiments of the present invention, and the present invention is not limited to the following specific embodiments.

[0018] It should be understood that the same or similar numbers in the drawings of the embodiments correspond to the same or similar parts. In the description of the present invention, it should be understood that if there are terms such as "upper", "lower", "front", "back", "left", "right", "top", "bottom" and the like indicating an orientation or positional relationship, they are based on the orientation or positional relationship shown in the drawings. This is only for the convenience of describing the present invention and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, the terms describing the positional relationship in the drawings are only used for illustrative purposes and cannot be understood as a limitation of this patent. For those of ordinary skill in the art, the specific meanings of the above terms can be understood according to the specific circumstances.

[0019] See also Figure 1 、 Figure 2 、 Figure 3 、 Figure 4 and Figure 5In one embodiment, a high-performance motor 10 is provided, comprising a stator 100 and a rotor 200. The stator 100 comprises an iron core 110, a plurality of flat wire windings 120, a plurality of first copper bars 130, and a plurality of second copper bars 140. The iron core 110 is provided with a through hole 111 and a plurality of winding slots 112. The through hole 111 and each winding slot 112 are respectively provided through both ends of the iron core 110, and each winding slot 112 is respectively connected to the through hole 111. Each first copper bar 130 is respectively stacked and provided at a first end of the iron core 110. The first copper bars 130 are spaced apart from each other and insulated from each other. Each first copper bar 130 is provided with at least one first conductive slot 131, and the first conductive slots 131 of each first copper bar 130 are staggered. The second copper bars 140 are stacked and disposed at the second end of the iron core 110. The second copper bars 140 are spaced apart from each other and insulated from each other. Each second copper bar 140 defines at least one second conductive slot 141, and the second conductive slots 141 of each second copper bar 140 are staggered. Each flat wire winding 120 is disposed in a winding slot 112. The first end of each flat wire winding 120 protrudes into a first conductive slot 131 and is electrically connected to the inner sidewall of the first conductive slot 131. The second end of each flat wire winding 120 protrudes into a second conductive slot 141 and is electrically connected to the inner sidewall of the second conductive slot 141. The rotor 200 includes a rotating shaft 210 and a plurality of magnetic tiles 220. The rotating shaft 210 is rotatably disposed in the through hole 111. Each magnetic tile 220 is respectively disposed on the rotating shaft 210. The magnetic tiles 220 are spaced apart from each other, and a gap is left between each magnetic tile 220 and the inner wall of the through hole 111.

[0020] It should be noted that the iron core 110 is a hollow annular structure with a through hole 111, and each winding slot 112 is radially arranged with the central axis of the through hole 111 as the center, thereby forming an annular multi-winding slot 112 structure on the iron core 110, and the number of winding slots 112 is set corresponding to the number of flat wire windings 120. For example, the winding slots 112 and the flat wire windings 120 can be correspondingly provided with 12, 14, 16, 18, or 20. Specifically, it can be set according to production design needs. The winding slots 112 are set to be flat and adapted to the shape of the flat wire windings 120, and the winding slots 112 are connected to the through hole 111 by providing a connecting port 112a. The diameter of the connecting port 112a gradually decreases from the end away from the through hole 111 to the end close to the through hole 111. In this way, the diameter of the connecting port 112a close to the through hole 111 is smaller, which is conducive to reducing the skin effect and ensuring The flat wire windings 120 in the winding slots 112 have a uniform current density when energized, which is beneficial for improving current efficiency and power. The first copper bars 130 are stacked and installed in sequence on the first end of the iron core 110. The iron core 110 and the first copper bars 130 are insulated. Each first copper bar 130 is provided with staggered first conductive slots 131. The number of first conductive slots 131 matches the number of winding slots 112. Each first conductive slot 131 is aligned vertically with a winding slot 112. In this way, the first end of each flat wire winding 120 can pass through the winding slot 112 and enter a first conductive slot 131. It can be electrically connected to the inner wall of the first conductive slot 131 by welding, thereby achieving electrical connection between the flat wire winding 120 and the first copper bar 130. Then, through the circuit connection between the first copper bars 130, the circuit design and connectivity between the flat wire windings 120 are achieved.

[0021] Similarly, each second copper bar 140 is stacked and installed in sequence on the second end of the iron core 110. The iron core 110 and the second copper bar 140 are also insulated. Each second copper bar 140 is provided with staggered second conductive slots 141. The number of the second conductive slots 141 matches the number of the winding slots 112. Each second conductive slot 141 is aligned with a winding slot 112 in a vertical manner. In this way, the second end of each flat wire winding 120 can pass through the winding slot 112 and enter a second conductive slot 141. It can be electrically connected to the inner side wall of the second conductive slot 141 by welding, thereby achieving electrical connection between the flat wire winding 120 and the second copper bar 140. Then, through the circuit connection between the second copper bars 140, the circuit design and connectivity between the flat wire windings 120 are achieved.

[0022] Furthermore, the rotating shaft 210 is rotatably mounted in the through hole 111, and one end portion is at least partially protruded outside the through hole 111. The rotating shaft 210 serves as the output end of the high-performance motor and is used to drive and connect with an external component to provide a driving force for the external component. Specifically, the rotating shaft 210 is provided with magnetic tiles 220. For example, the magnetic tiles 220 can be set to 2, 4, 6, 8 or 10. The magnetic tiles 220 are evenly divided into two groups. The two groups of magnetic tiles 220 are respectively of different magnetic properties. The two sets of magnetic tiles 220 can form a magnetic field, which generates electromagnetic induction with the energized flat wire winding 120, thereby causing the shaft 210 to rotate, generating a driving force, and realizing the driving function of the high-performance motor. The flat flat wire winding 120 is used, and the flat wire winding 120 can completely fill the winding slot 112, which is conducive to improving the space utilization rate of the winding slot 112, thereby improving the overall space utilization rate inside the high-performance motor. The first copper bar 130 and the second copper bar 140 are respectively used as the first copper bar 130 and the second copper bar 140. The output ends at both ends of the flat wire winding 120 can avoid directly bending and connecting the two end portions of each flat wire winding 120 to achieve circuit conduction. The first copper bar 130 and the second copper bar 140 are also flat structures, which can save space at the bending points of each flat winding, further improving space utilization. The saved space can be used to accommodate flat wire windings 120 of larger volumes, thereby increasing current density and power. Multiple first copper bars 130 and multiple second copper bars 140 are conducive to arranging each flat wire winding 120 separately, which can meet more circuit layout requirements and have better applicability. At the same time, multiple magnetic tiles 220 are also provided to avoid the use of an integrated magnetic ring structure, greatly reducing the weight of the magnetic parts on the rotating shaft 210, thereby helping to reduce the overall weight of the rotor 200. The lightweight design of the rotor 200 is conducive to increasing the speed, and works synergistically with the high space utilization to prepare a high-performance motor with high space utilization, high power and high speed to meet the high-speed performance requirements of the model car.

[0023] See also Figure 6 In one embodiment, a first insulating plate 150 and / or a first insulating coating (not shown) is provided between two adjacent first copper bars 130. It is understood that the first insulating plate 150 or the first insulating coating can be used to achieve insulation between the first copper bars 130. Specifically, the first insulating plate 150 is configured to match the shape of two adjacent first copper bars 130 and is inserted between the two first copper bars 130 to achieve insulation between the two copper bars. Alternatively, the first insulating coating can be provided on the two contacting end surfaces of the two copper bars to achieve mutual insulation between the two first copper bars 130 when they are attached. Alternatively, the first insulating plate 150 and the first insulating coating can be provided simultaneously to ensure insulation, prevent short circuits, and guarantee motor safety.

[0024] In one embodiment, in this embodiment, a first insulating coating is preferably provided between two adjacent first copper bars 130 to achieve insulation. The first insulating coating has the advantage of being light and thin, which is beneficial to reducing the thickness of the first copper bar 130 structure at the first end portion of the iron core 110. Therefore, under the same volume, the length of the iron core 110 can be increased, thereby increasing the depth of the winding slot 112 to accommodate more variable line windings, which is beneficial to improving the overall current density of the motor, thereby further improving the power and performance of the high-performance motor.

[0025] See also Figure 8 In one embodiment, a second insulating plate 160 and / or a second insulating coating (not shown) is disposed between two adjacent second copper bars 140. It is understood that similarly, the second insulating plate 160 or the second insulating coating, or a combination of the second insulating plate 160 and the second insulating coating, can also be used to insulate the second copper bars 140 from each other, thereby ensuring the safety of the motor.

[0026] In one embodiment, in this embodiment, a second insulating coating is preferably provided between two adjacent second copper bars 140 to achieve insulation. The second insulating coating has the advantage of being light and thin, which is beneficial to reducing the thickness of the second copper bar 140 structure at the second end portion of the iron core 110. Therefore, under the same volume, the length of the iron core 110 can be increased, thereby increasing the depth of the winding slot 112 to accommodate more variable line windings, which is beneficial to improving the overall current density of the motor, thereby further improving the power and performance of the high-performance motor.

[0027] See also Figure 2 and Figure 3 In one embodiment, the motor further includes a plurality of first insulating papers 300, each of which is connected to the inner sidewall of a winding slot 112, with both ends of each first insulating paper 300 at least partially protruding from the outer side of the winding slot 112. It is understood that by providing the first insulating paper 300 on the inner sidewall of the winding slot 112, the first insulating paper 300 can be used to cover and insulate the flat wire winding 120, preventing the flat wire winding 120 from short-circuiting with the iron core 110 due to wear. Furthermore, the first insulating paper 300 protruding from the outer side of the winding slot 112 can ensure complete insulation, thereby further improving the overall safety performance of the high-performance motor.

[0028] See also Figure 4In one embodiment, the rotating shaft 210 is provided with two end plates 211, which are spaced apart from each other. The two end plates 211 are respectively provided with a groove 211a. Each of the two ends of the magnetic tile 220 is respectively provided with a boss 221. The two bosses 221 at the two ends of each magnetic tile 220 are respectively engaged and disposed in the two grooves 211a. It can be understood that the magnetic tile 220 is a single piece of sheet structure, which is respectively mounted on the outer surface of the rotating shaft 210. The magnetic tile 220 is light in weight. By providing the boss 221, it can be engaged and mounted on the end plate 211 of the rotating shaft 210. The groove 211a structure of the end plate 211 limits each magnetic tile 220 to prevent the magnetic tile 220 from being dislodged due to the huge centrifugal force during high rotation, thereby improving the overall structural stability and service life of the high-performance motor.

[0029] See also Figure 2 and Figure 3 In one embodiment, each of the flat wire windings 120 includes a plurality of flat conductors 121. The first end of each of the flat conductors 121 protrudes into a first conductive slot 131 and is electrically connected to the inner side wall of the first conductive slot 131. The second end of each of the flat conductors 121 protrudes into a second conductive slot 141 and is electrically connected to the inner side wall of the second conductive slot 141. The flat conductors 121 are stacked and arranged along the length or width direction of the winding slot 112. It can be understood that in a flat wire winding 120, the flat wire winding 120 is composed of a plurality of flat wires 121 stacked on each other, and the two ends of each flat wire 121 protrude into the first conductive slot 131 and the second conductive slot 141 respectively to achieve electrical connection with the first conductive slot 131 and the second conductive slot 141, thereby avoiding the use of a single thick flat wire 121 structure. When a single flat wire 121 has a skin effect, the current will be concentrated on the periphery of the single flat wire 121, and the current density will be very uneven. The insulation between the multiple flat wires 121 is achieved by the insulating paint on the surface of the flat wire 121. Insulation can be stacked and arranged along the length or width direction of the winding slot 112. Even if a certain skin effect occurs in each flat wire 121, the current formed by each flat wire 121 will be evenly arranged along the length or width of the winding slot 112. The current density formed by the entire flat wire 121 can also be kept uniform in the winding slot 112, which is conducive to weakening the skin effect, so that the flat wire winding 120 maintains a uniform current density as a whole, ensuring the current effect and the electromagnetic induction effect with the magnetic tile 220, thereby improving the running stability of the high-performance motor, while achieving high performance and good stability.

[0030] See also Figure 2 and Figure 3In one embodiment, at least two of the flat conductors 121 are arranged side by side along the length or width of the winding slot 112. It will be appreciated that in this embodiment, two flat conductors 121 are arranged side by side along the length or width of the winding slot 112, thereby providing two rows of flat conductors 121 within the winding slot 112. This results in a more uniform current and current density generated by each flat conductor 121, further reducing the skin effect and improving the operational stability of the high-performance motor.

[0031] In one embodiment, a second insulating paper (not shown) is disposed between two adjacent rows of flat conductors 121 arranged in parallel along the length or width of the winding slots 112. Each side of the insulating paper has multiple ridges disposed thereon, each ridge spaced apart from the other. Each ridge is used to fill the gap between the two rows of flat conductors 121. As will be appreciated, the second insulating paper can provide a certain degree of positional restraint for the two rows of flat conductors 121. Due to the high-speed rotation of the flat conductors 121, centrifugal force can cause the flat conductors 121 to exert a certain degree of displacement. This can lead to wear and tear on the parallel flat conductors 121. The second insulating paper provides both insulation and positional restraint, preventing wear and leakage. Furthermore, the ridges further prevent displacement and friction of the flat conductors 121, thereby improving current density uniformity while enhancing the structural stability and safety of the flat conductors 121, further enhancing the overall performance and quality of the high-performance motor.

[0032] See also Figure 7In one embodiment, two first copper bars 130 are provided, and a plurality of first avoidance grooves 132 are formed on the first copper bar 130 close to the iron core 110. Each first avoidance groove 132 is connected to a first conductive groove 131 of the first copper bar 130 away from the iron core 110. The first copper bar 130 away from the iron core 110 covers each first conductive groove 131 of the first copper bar 130 close to the iron core 110. It can be understood that there are two first copper bars 130, and the two first copper bars 130 are stacked in sequence on the first end of the iron core 110. The first copper bar 130 can be set as a plurality of copper bar pieces spaced apart from each other to form a first copper bar 130. Each copper bar piece is provided with two first conductive slots 131, which can independently control the two flat wire windings 120, thereby facilitating the division of each flat wire winding 120 into multiple independent units, which are then connected in series or in parallel through the copper bar pieces, resulting in better practicality. In this embodiment, the first copper bar 130 close to the iron core 110 is provided with a first avoidance slot 132 that is interconnected with the first conductive slot 131 of the first copper bar 130 away from the iron core 110. In this way, the flat wire winding 120 can be avoided, and the first end of the flat wire winding 120 can be welded to the inner side wall of the first conductive slot 131 of the first copper bar 130 away from the iron core 110 after passing through the first avoidance groove 211a, thereby achieving electrical connection and ensuring circuit conduction. The first copper bar 130 away from the iron core 110 does not have a avoidance slot structure, that is, the first copper bar 130 on the side farthest from the iron core 110 does not have a avoidance slot structure, but directly covers the first conductive slots 131 of the other first copper bar 130 that has been welded. This can save the grooving process of the first copper bar 130, which is conducive to reducing the difficulty of preparing the high-performance motor and improving production efficiency.

[0033] Further, see Figure 7 In one embodiment, the thickness of the first copper bar 130 away from the iron core 110 is less than the thickness of the first copper bar 130 close to the iron core 110. It is understandable that in this embodiment, the thickness of the first copper bar 130 away from the iron core 110 is set to be less than the thickness of the first copper bar 130 close to the iron core 110. Since the first copper bar 130 away from the iron core 110 does not have a avoidance groove structure, the effective surface area and effective cross-sectional area of the first copper bar 130 away from the iron core 110 are larger. Therefore, the thickness of the first copper bar 130 away from the iron core 110 can be reduced, which is conducive to reducing the overall thickness of the first copper bar 130 structure at the first end of the iron core 110, thereby leaving more space for accommodating a longer iron core 110 and the flat wire winding 120, which is conducive to increasing the current density and further improving the overall power and performance of the high-performance motor.

[0034] See also Figure 9In one embodiment, two second copper bars 140 are provided, and a plurality of second avoidance grooves 142 are formed on the second copper bar 140 close to the iron core 110. Each second avoidance groove 142 is connected to a second conductive groove 141 of the second copper bar 140 away from the iron core 110. The second copper bar 140 away from the iron core 110 covers each second conductive groove 141 of the second copper bar 140 close to the iron core 110. It can be understood that, similarly, two second copper bars 140 are provided, and the two second copper bars 140 are stacked in sequence on the second end of the iron core 110 as the output end of the second end of the flat wire winding 120. The second copper bar 140 can be provided as a plurality of copper bar pieces spaced apart from each other to form a second copper bar 140. Each copper bar piece is provided with two second conductive slots 141, which can independently control the two flat wire windings 120, thereby facilitating the division of each flat wire winding 120 into a plurality of independent units, which are then connected in series or in parallel through the copper bar pieces, and thus have better practicality. In this embodiment, the second copper bar 140 close to the iron core 110 is connected to the second copper bar 140 away from the iron core 110 by opening a second conductive slot 141. The second avoidance groove 142 is formed, so that the flat wire winding 120 can be avoided, and the second end of the flat wire winding 120 can pass through the second avoidance groove 211a and be welded to the inner side wall of the second conductive groove 141 of the second copper bar 140 away from the iron core 110 to achieve electrical connection and ensure circuit conduction. The second copper bar 140 away from the iron core 110 does not have an avoidance groove structure, that is, the second copper bar 140 on the side farthest from the iron core 110 does not have an avoidance groove structure, but directly covers the second conductive grooves 141 of another second copper bar 140 that has been welded. This can save the slotting process of the second copper bar 140, which is conducive to reducing the difficulty of preparing the high-performance motor and improving production efficiency.

[0035] Further, see Figure 9 In one embodiment, the thickness of the second copper bar 140 away from the iron core 110 is less than the thickness of the second copper bar 140 near the iron core 110. It is understandable that, similarly, because the second copper bar 140 away from the iron core 110 does not have a avoidance groove structure, the effective surface area and effective cross-sectional area of the second copper bar 140 away from the iron core 110 are larger. Therefore, the thickness of the second copper bar 140 away from the iron core 110 can be reduced, thereby facilitating a reduction in the overall thickness of the second copper bar 140 structure at the second end of the iron core 110. This allows for more space to accommodate a longer iron core 110 and flat wire winding 120, thereby increasing current density and further improving the overall power and performance of the high-performance motor.

[0036] See also Figure 6 and Figure 8In one embodiment, each of the first conductive slots 131 is provided with a first arc-shaped slot 131a at the end away from the iron core 110, and the cross-sectional area of each of the first arc-shaped slots 131a gradually increases from the end close to the iron core 110 to the end away from the iron core 110, and each of the second conductive slots 141 is provided with a second arc-shaped slot 141a at the end away from the iron core 110, and the cross-sectional area of each of the second arc-shaped slots 141a gradually increases from the end close to the iron core 110 to the end away from the iron core 110. It can be understood that the first conductive slot 131 and the second conductive slot 141 are further provided with a first arc-shaped slot 131a and a second arc-shaped slot 141a. The first arc-shaped slot 131a and the second arc-shaped slot 141a are outward-expanding arc-shaped slots with gradually increasing openings. In this way, a semi-enclosed first conductive slot 131 and second conductive slot 141 structure can be formed. On the one hand, the inner side wall surface area of the first conductive slot 131 and the second conductive slot 141 is increased, thereby increasing the surface area for welding with the flat wire winding 120, which is convenient for welding the two ends of the flat wire winding 120. At the same time, the first arc-shaped groove 211a and the second arc-shaped groove 211a can further reduce the volume of the first copper bar 130 and the second copper bar 140, thereby realizing a further lightweight design of the first copper bar 130 and the second copper bar 140, which is beneficial to reducing the overall weight of the high-performance motor, and is beneficial to reducing the overall weight of the model car to a certain extent after the high-performance motor is installed in the model car. Under the same driving force, the model car can reach a higher speed, which is more conducive to meeting the high-speed needs of users.

[0037] On the other hand, the first arc groove 131a and the second arc groove 141a can play a certain avoidance role. When the end of the flat wire winding 120 undergoes a certain deformation during high-speed rotation, the first arc groove 131a and the second arc groove 141a can provide a certain avoidance space to prevent the flat wires 121 in the flat wire winding 120 from being squeezed and worn against each other. At the same time, the inner side walls of the first arc groove 131a and the second arc groove 141a are arc-shaped surfaces. The smooth arc-shaped surface structure can avoid hard contact with the flat wires 121, further avoiding wear and damage to the flat wires 121, which is beneficial to improving the service life of the flat wire 121, and avoiding leakage after the insulating paint of the flat wire 121 is damaged, so that the overall performance, quality and safety of the high-performance motor are high.

[0038] In one embodiment, a housing (not shown) is further included. The housing is sleeved around the outer side of the iron core 110 by defining a mounting cavity. The rotating shaft 210 is rotatably mounted on the housing via a bearing and inserted into the through hole 111. It will be appreciated that the housing, which is provided to cover the outer sides of the stator 100 and the rotor 200, protects the stator 100 and the rotor 200 and improves the overall structural stability of the high-performance motor.

[0039] See also Figure 6 and Figure 8 In one embodiment, the present invention further includes a first staggered copper busbar (not shown) and a second staggered copper busbar 180. The first staggered copper busbar has two ends extending to two adjacent first copper buses 130 and is disposed adjacent to the two adjacent first copper buses 130. The first staggered copper busbar has a third conductive slot defined therein. The second staggered copper busbar 180 has two ends extending to two adjacent second copper buses 140 and is disposed adjacent to the two adjacent second copper buses 140. The second staggered copper busbar 180 has a fourth conductive slot 181 defined therein. The first end and the second end of each of the flat wire windings 120 protrude into a third conductive slot and a fourth conductive slot 181, respectively, and are electrically connected to the inner sidewalls of the third conductive slot and the inner sidewalls of the fourth conductive slot 181. It can be understood that by providing a Z-shaped first staggered copper busbar and a second staggered copper busbar 180, they can be used to be inserted into two adjacent first copper buses 130 and two adjacent second copper buses 140 respectively, and can be used to electrically connect two adjacent flat wire windings 120, which can meet more circuit design requirements and has better practicality. It is worth mentioning that the first staggered copper busbar and the two first copper buses 130 are also insulated. Similarly, the second staggered copper busbar 180 and the two second copper buses 140 are also insulated to prevent short circuits and ensure circuit safety performance.

[0040] Compared with the prior art, the present invention has at least the following advantages: The present invention adopts a flat-shaped flat wire winding, and accordingly opens the winding slot into a flat shape, thereby ensuring that the flat wire winding fills the entire winding slot more fully, which is beneficial to improving the space utilization rate of the winding slot, thereby improving the overall space utilization rate inside the high-performance motor. By arranging a plurality of first copper bars and a plurality of second copper bars at the two end portions of the iron core, they can be used to electrically connect the two ends of each flat wire winding, and then the circuit between each first copper bar and the second copper bar is connected to achieve circuit conduction between each flat wire winding, avoiding directly bending the two end portions of each flat wire winding to achieve circuit conduction, saving each The space at the bend of the flat winding further improves the space utilization and accommodates flat wire windings of larger volumes, thereby increasing the current density and power. Multiple first copper bars and multiple second copper bars are conducive to the separate arrangement of each flat wire winding, which can meet more circuit layout requirements and has better applicability. At the same time, multiple magnetic tiles are also provided to avoid the use of an integrated magnetic ring structure, which greatly reduces the weight of the magnetic parts on the rotating shaft, thereby helping to reduce the overall weight of the rotor. The lightweight design of the rotor is conducive to increasing the speed, and works synergistically with the high space utilization to prepare a high-performance motor with high space utilization, high power and high speed.

[0041] The technical features of the above-mentioned embodiments can be combined arbitrarily. In order to make the description concise, not all possible combinations of the technical features in the above-mentioned embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.

[0042] The above-described embodiments merely illustrate several implementations of the present invention, and while their descriptions are relatively specific and detailed, they should not be construed as limiting the scope of the patent. It should be noted that a person skilled in the art would be able to make numerous variations and improvements without departing from the spirit of the present invention, all of which fall within the scope of protection of the present invention. Therefore, the scope of protection of the patent for this invention shall be determined by the appended claims.

Claims

1. A high performance motor, characterized in that: include: The stator includes an iron core, a plurality of flat wire windings, a plurality of first copper bars, and a plurality of second copper bars. The iron core is provided with a through hole and a plurality of winding slots. The through hole and each winding slot are respectively provided through the two end portions of the iron core. Each winding slot is respectively connected to the through hole. Each first copper bar is respectively stacked and provided at the first end of the iron core. Each first copper bar is spaced apart from each other and insulated from each other. Each first copper bar is provided with at least one first conductive slot. The first conductive slots of each first copper bar are staggered. Each second copper bar The second copper bars are respectively stacked and arranged at the second end of the iron core, the second copper bars are spaced apart from each other and insulated from each other, each second copper bar is provided with at least one second conductive slot, and the second conductive slots of the second copper bars are staggered with each other, each flat wire winding is arranged in a winding slot, the first end of each flat wire winding protrudes into a first conductive slot and is electrically connected to the inner side wall of the first conductive slot, and the second end of each flat wire winding protrudes into a second conductive slot and is electrically connected to the inner side wall of the second conductive slot; and The rotor includes a rotating shaft and a plurality of magnetic tiles. The rotating shaft is rotatably arranged in the through hole. The magnetic tiles are respectively arranged on the rotating shaft. The magnetic tiles are spaced apart from each other, and a gap is left between each magnetic tile and the inner wall of the through hole.

2. The high-performance motor according to claim 1, characterized in that A first insulating plate and / or a first insulating coating is provided between two adjacent first copper bars.

3. The high performance motor according to claim 1, characterized in that A second insulating plate and / or a second insulating coating is provided between two adjacent second copper bars.

4. The high-performance motor according to claim 1, characterized in that The rotating shaft is provided with two end plates, which are spaced apart from each other. The two end plates are respectively provided with a groove. A boss is respectively provided at both ends of each magnetic tile. The two bosses at both ends of each magnetic tile are respectively engaged in the two grooves in a one-to-one manner.

5. The high performance motor according to claim 1, characterized in that: Each of the flat wire windings includes a plurality of flat conductors, the first end of each of the flat conductors protruding from a first conductive slot and electrically connected to the inner sidewall of the first conductive slot, the second end of each of the flat conductors protruding from a second conductive slot and electrically connected to the inner sidewall of the second conductive slot, and the flat conductors are stacked and arranged along the length or width direction of the winding slot.

6. The high performance motor according to claim 5, characterized in that: At least two of the flat wires are arranged in parallel along the length or width direction of the winding slot.

7. The high performance motor according to any one of claims 1 to 6, characterized in that: Two first copper bars are provided, and a plurality of first avoidance grooves are provided on the first copper bar close to the iron core. Each first avoidance groove is connected to a first conductive groove of the first copper bar away from the iron core, and the first copper bar away from the iron core covers each first conductive groove of the first copper bar close to the iron core.

8. The high performance motor according to claim 7, characterized in that: The thickness of the first copper bar far from the iron core is smaller than the thickness of the first copper bar close to the iron core.

9. The high performance motor according to any one of claims 1 to 6, characterized in that: Two second copper bars are provided, and a plurality of second avoidance grooves are provided on the second copper bar close to the iron core. Each second avoidance groove is connected to a second conductive groove of the second copper bar away from the iron core, and the second copper bar away from the iron core covers each second conductive groove of the second copper bar close to the iron core.

10. The high performance motor according to claim 9, characterized in that: The thickness of the second copper bar far from the iron core is smaller than the thickness of the second copper bar close to the iron core.

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