CN214124957U - Motor stator and motor - Google Patents
Motor stator and motor Download PDFInfo
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- CN214124957U CN214124957U CN202022910380.6U CN202022910380U CN214124957U CN 214124957 U CN214124957 U CN 214124957U CN 202022910380 U CN202022910380 U CN 202022910380U CN 214124957 U CN214124957 U CN 214124957U
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Abstract
The utility model provides a motor stator and a motor, wherein each phase winding of the stator winding is formed by a plurality of long-pitch conductors and a plurality of short-pitch conductors along the circumferential direction of a stator core into X branch windings which are connected in parallel, and the long-pitch conductors surround the short-pitch conductors; the long-pitch conductor comprises a first long-pitch conductor, the inner parts of two slots of the first long-pitch conductor are positioned on two layers of stator iron cores which are adjacent in the radial direction, and the inner parts of two slots of the short-pitch conductor are positioned on two layers of stator iron cores which are adjacent in the radial direction; the long-pitch conductor of at least one phase winding further comprises a second long-pitch conductor, and the two inner parts of the two slots of the second long-pitch conductor are positioned on the first layer and the Mth layer in the radial direction of the stator core. By adopting the technical scheme, the gap bridge wire is omitted, the heat dissipation is uniform, the power and the torque are improved, the wiring mode is simplified, the process is simplified, and the processing efficiency is improved.
Description
Technical Field
The utility model relates to a motor field particularly, relates to a motor stator and motor.
Background
The stator winding comprises a plurality of hairpin coils, the hairpin coils penetrate into the slots of the stator core according to a certain arrangement mode to form a single-phase winding or a multi-phase winding of a required motor, the hairpin coils used in the prior art are more in variety, so that the stator winding needs to use a large amount of bridge wires to connect branches of the windings of each phase, the arrangement mode of the stator winding is complex, the forming is difficult, the production cost is high, and the processing efficiency is low.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a main aim at provides a motor stator and motor, cancellation gap bridge line, the heat dissipation is even, and the mode of connection has been simplified to lifting power and moment of torsion, and then has simplified technology, improves machining efficiency.
In order to achieve the above object, according to an aspect of the present invention, there is provided a motor stator including:
a stator core having a plurality of core slots formed on a radially inner surface thereof and spaced apart at predetermined slot pitches in a circumferential direction of the stator core;
a stator winding including three phase windings mounted on the stator core and forming M layers in a radial direction of the stator core;
each phase winding is formed by a plurality of long-pitch conductors and a plurality of short-pitch conductors along the circumferential direction of the stator core, X branch windings are connected in parallel, and the long-pitch conductors surround the short-pitch conductors;
the long-pitch conductor comprises a first long-pitch conductor, the inner parts of two slots of the first long-pitch conductor are positioned on two layers of stator iron cores which are adjacent in the radial direction, and the inner parts of two slots of the short-pitch conductor are positioned on two layers of stator iron cores which are adjacent in the radial direction;
the long-pitch conductor of at least one phase winding further comprises a second long-pitch conductor, and the two inner parts of the two slots of the second long-pitch conductor are positioned on the first layer and the Mth layer in the radial direction of the stator core.
Furthermore, the long-pitch conductor of the at least one phase winding further comprises a third long-pitch conductor, the two inner parts of the third long-pitch conductor are positioned on the (N + 1) th and (N + 2) th radial layers of the stator core, and the two inner parts of the first long-pitch conductor are positioned on the (N + 1) th and (N + 1) th radial layers of the stator core.
Further, the second long-pitch conductor and the third long-pitch conductor are located in the same phase winding.
Further, the second long-pitch conductor and the third long-pitch conductor are located in the same magnetic pole of the stator winding.
Further, one of the welding terminals of the long-pitch conductor in each branch winding is connected to one of the welding terminals of the circumferentially adjacent short-pitch conductor.
Furthermore, the number of the second long-pitch conductors and the third long-pitch conductors of the phase winding is at least 1.
Furthermore, the outgoing line of each branch winding is located on the first layer and the Mth layer in the radial direction of the stator core.
Furthermore, the outlet end of the first branch winding of the X branch windings of each phase winding is connected in series with the lead end of the other branch winding of the X/2+1 th branch winding of the phase winding to form X/2 parallel branch windings.
According to another aspect of the present invention, there is provided a motor, including the above-mentioned motor stator.
Use the technical scheme of the utility model, a motor stator, include: a stator core having a plurality of core slots formed on a radially inner surface thereof and spaced apart at predetermined slot pitches in a circumferential direction of the stator core; a stator winding including three phase windings mounted on the stator core and forming M layers in a radial direction of the stator core; each phase winding is formed by a plurality of conductors along the circumferential direction of the stator core, and X branch windings are connected in parallel; each phase winding includes a plurality of long-pitch conductors and short-pitch conductors, the long-pitch conductors surrounding the short-pitch conductors; the long-pitch conductor comprises a first long-pitch conductor, the inner parts of two slots of the first long-pitch conductor are positioned on two layers of stator iron cores which are adjacent in the radial direction, and the inner parts of two slots of the short-pitch conductor are positioned on two layers of stator iron cores which are adjacent in the radial direction; the long-pitch conductor of at least one phase winding further comprises a second long-pitch conductor, and the two inner parts of the two slots of the second long-pitch conductor are positioned on the first layer and the Mth layer in the radial direction of the stator core. According to the technical scheme, the gap bridge wire is omitted, the heat dissipation is uniform, the power and the torque are improved, the wiring mode is simplified, the process is simplified, and the processing efficiency is improved.
Drawings
The accompanying drawings, which form a part of the present application, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention and not to limit the invention. In the drawings:
fig. 1 is a schematic structural diagram of a motor stator according to a first embodiment of the present invention;
fig. 2 is a schematic structural diagram of a phase winding in a stator winding according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of a conductor in an embodiment of the present invention;
fig. 4 is a schematic plane development of a phase winding according to a first embodiment of the present invention;
fig. 5 is a schematic plan view of another phase winding according to a first embodiment of the present invention;
fig. 6 is a schematic plane development view of a phase winding in the second embodiment of the present invention;
fig. 7 is a schematic plane development view of a phase winding in the third embodiment of the present invention;
fig. 8 is a schematic plane development view of one branch winding in the four middle phase windings according to the embodiment of the present invention;
fig. 9 is a schematic plane development view of one phase winding in the five phase windings according to the embodiment of the present invention;
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be further noted that, for the convenience of description, only some of the structures related to the present invention are shown in the drawings, not all of the structures.
It should be noted that the terms "first", "second", and the like in the description and claims of the present invention and the accompanying drawings are used for distinguishing different objects, and are not intended to limit a specific order. The embodiments of the present invention can be implemented individually, and can be implemented by combining each other between the embodiments, and the embodiments of the present invention are not limited to this.
The utility model provides a motor stator. In the present application, the pitch is the interval between two groove interiors 501 of the same conductor along the circumferential direction, or the pitch is the sum of the span between the groove interiors 501 corresponding to one welding end of one conductor and the span between the groove interiors 501 corresponding to one welding end of another conductor; note that in the present application, the radial first layer of the stator core may be the first layer in the direction away from the central axis of the stator core, or may be the first layer in the direction close to the central axis of the stator core; referring to fig. 3, each conductor includes a welding end 503, an inside 501, a plug terminal 502, an inside 501 and a welding end 503 which are sequentially connected end to end, the two insides are located in two slots of the stator core circumferentially spaced by a specified slot distance, the plug terminal is located at one end outside the axial slot of the stator core and connected with the two insides, the two welding ends are located outside the stator core and connected with the two insides, the ends far away from the plug terminal are opposite in extending direction, and the two welding ends are located on the same layer corresponding to the two insides.
As shown in fig. 1, an embodiment of the present invention provides a motor stator, including: a stator core 20, the stator core 20 having a plurality of core slots 21 formed on a radially inner surface thereof and spaced apart at predetermined slot pitches in a circumferential direction of the stator core;
as shown in fig. 1 to 2, 4 to 9, the stator winding 10, which includes a plurality of phase windings mounted on the stator core 20 so as to be different from each other in electrical phase and form an even number of layers in the radial direction of the stator core 20, forms M layers in the radial direction of the stator core for the phase windings (U-phase winding or V-phase winding or W-phase winding) in the present embodiment; the even number of M layers may be four, six, eight, or more. The motor stator in the embodiment is a motor stator in the hair pin motor.
Referring to fig. 1 to 9, in the present embodiment, the stator winding 10 is mounted on the stator core 20, that is, a plurality of phase windings mounted on the stator core 20 so as to be different from each other in electrical phase, wherein the stator winding 10 is a three-phase (i.e., U-phase winding, V-phase winding, W-phase winding) winding, and each phase slot of each pole is equal to or equal to 2; two slots 21 are provided for each pole of the rotor, 2 slots per pole per phase in the present embodiment, the rotor having eight poles and doing so for each phase of the three-phase stator winding 10, the number of slots 21 provided in the stator core 20 being equal to 48 (i.e., 2X8X3), the pole pitch being the number of phases per stator winding X slots per pole per phase, the conductors having a pitch less than the pole pitch being short-pitch conductors, the conductors having a pitch equal to the pole pitch being full-pitch conductors, the conductors having a pitch greater than the pole pitch being long-pitch conductors, in the present embodiment the pole pitch being 2X3 being 6; further, in the present embodiment, the stator core 20 is defined by two adjacent slots 21, one tooth portion of the stator core 20 is formed by laminating a plurality of annular magnetic steel plates to form both end faces in the axial direction of the stator core, and other conventional metal plates may be used instead of the magnetic steel plates.
As shown in fig. 4 and fig. 6 to 9, in the first to fifth embodiments, each phase winding (U-phase winding, V-phase winding, W-phase winding) includes a plurality of long-pitch conductors, and a plurality of short-pitch conductors form 4 branch windings connected in parallel along the circumferential direction of the stator core, and in conjunction with fig. 4 to 7, the long-pitch conductors 150A (200A, 300A) surround the short-pitch conductors 150B;
with reference to fig. 4 to 9, in the first to fifth embodiments, the long-pitch conductor includes a long-pitch conductor one 150A, and two slot interiors of the long-pitch conductor one 150A are respectively located at the 1 st and 2 nd layers, the 3 rd and 4 th layers, the 5 th and 6 th layers, and the 7 th and 8 th layers in the radial direction of the stator core; the two slot interiors of the short-pitch conductor 150B are respectively positioned on the 1 st layer, the 2 nd layer, the 3 rd layer, the 4 th layer, the 5 th layer, the 6 th layer, the 7 th layer and the 8 th layer in the radial direction of the stator core;
in the embodiment of the present application, at least one of the 3-phase windings of the stator winding includes the second long-pitch conductor, and with reference to fig. 4, in the first embodiment, the two slots of the second long-pitch conductor 200A are located in the 7 th slot of the 4 th layer and the 14 th slot of the 1 st layer in the radial direction of the stator core, respectively (in this case, M is equal to 4); with reference to fig. 6, in the second embodiment, the long-pitch conductor includes two slots of the long-pitch conductor two 200A, which are respectively located in the 7 th slot of the 6 th layer and the 14 th slot of the 1 st layer in the radial direction of the stator core (where M is equal to 6); referring to fig. 7, in the third embodiment, the long-pitch conductor includes two slots of the second long-pitch conductor 200A, which are located in the 7 th slot of the 8 th layer and the 14 th slot of the 1 st layer in the radial direction of the stator core (where M is equal to 8). According to the technical scheme, the gap bridge wire is omitted, the heat dissipation is uniform, the power and the torque are improved, the wiring mode is simplified, the process is simplified, and the processing efficiency is improved.
In the embodiment of the present application, at least one of the 3-phase windings of the stator winding includes a long-pitch conductor three, and with reference to fig. 4, in the first embodiment, two slots of the long-pitch conductor including the long-pitch conductor three 300A are respectively located in the 7 th slot of the 2 nd layer and the 14 th slot of the 3 rd layer in the radial direction of the stator core (in this case, M is equal to 4); with reference to fig. 6, in the second embodiment, the long-pitch conductors include three long-pitch conductors 300A, two slot interiors of one of the three long-pitch conductors 300A are respectively located in the 7 th slot of the 2 nd layer and the 14 th slot of the 3 rd layer in the radial direction of the stator core, and two slot interiors of the other three long-pitch conductors 300A are respectively located in the 7 th slot of the 4 th layer and the 14 th slot of the 5 th layer in the radial direction of the stator core (in this case, M is equal to 6); with reference to fig. 7, in the third embodiment, the long-pitch conductors include three long-pitch conductors 300A, two slot interiors of one of the three long-pitch conductors 300A are located in the 7 th slot of the 2 nd layer and the 14 th slot of the 3 rd layer in the radial direction of the stator core, two slot interiors of another one of the three long-pitch conductors 300A are located in the 7 th slot of the 4 th layer and the 14 th slot of the 5 th layer in the radial direction of the stator core, and two slot interiors of another one of the three long-pitch conductors 300A are located in the 7 th slot of the 6 th layer and the 14 th slot of the 7 th layer in the radial direction of the stator core (where M is equal to 8); referring to fig. 4 and 5, in a first embodiment, fig. 4 is a planar development view of a phase winding of a stator winding in the first embodiment, wherein the planar development view includes a second conductor and a third conductor, fig. 5 is a planar development view of another phase winding of the stator winding in the first embodiment, wherein the planar development view does not include a second conductor and a third conductor, referring to fig. 6, in a second embodiment, fig. 6 is a planar development view of a phase winding of the stator winding in the second embodiment, wherein the planar development view includes a second conductor and a third conductor, the planar development view of the remaining two-phase windings in the second embodiment is the same as the structure of fig. 6, fig. 7 is a planar development view of a phase winding of the stator winding in the third embodiment, wherein the planar development view includes a second conductor and a third conductor, the planar development view of the remaining two-phase windings in the third embodiment is the same as the structure of fig. 7, that is to say, at least one phase winding of the 3 phases of the stator winding of the present application includes a second conductor pitch 200A long-pitch conductor and a long-pitch conductor three 300A, in the first embodiment, the number of the second long-pitch conductor 200A and the third long-pitch conductor 300A of the phase winding is 1, and in the second embodiment, the third embodiment, and the fourth embodiment, the number of the second long-pitch conductor 200A and the third long-pitch conductor 300A of the phase winding is greater than 1.
Further, in the present embodiment, the second long-pitch conductor 200A and the third long-pitch conductor 300A are located in the same phase winding of the stator winding;
as shown in fig. 4, 6 and 7, in the first to third embodiments, the long-pitch conductor two 200A and the long-pitch conductor three 300A in each phase winding are located in the same magnetic pole of the stator winding, and in the first embodiment, in combination with fig. 4, the second magnetic pole of the stator winding is located in the 7 th to 14 th slots in the circumferential direction of the stator core, the long-pitch conductor two 200A in the phase winding is located in the 7 th to 14 th slots in the circumferential direction of the stator core, and the long-pitch conductor three 300A in the phase winding is also located in the 7 th to 14 th slots in the circumferential direction of the stator core, that is, the long-pitch conductor two 200A and the long-pitch conductor three 300A in the phase winding are located in the same magnetic pole of the stator winding; with reference to fig. 6, in the second embodiment, the second magnetic poles of the stator winding are located in the 7 th to 14 th slots in the stator core circumferential direction, the second long-pitch conductor 200A of the phase winding is located in the 7 th to 14 th slots in the stator core circumferential direction, the third long-pitch conductor 300A of the phase winding is also located in the 7 th to 14 th slots in the stator core circumferential direction, the third magnetic poles of the stator winding is located in the 13 th to 20 th slots in the stator core circumferential direction, the second long-pitch conductor 200A of the phase winding is located in the 13 th to 20 th slots in the stator core circumferential direction, and the third long-pitch conductor 300A of the phase winding is also located in the 13 th to 20 th slots in the stator core circumferential direction; the sixth magnetic pole of the stator winding is positioned in the 31 st to 38 th slots in the circumferential direction of the stator core, the second long-pitch conductor 200A in the phase winding is positioned in the 31 st to 38 th slots in the circumferential direction of the stator core, the third long-pitch conductor 300A in the phase winding is also positioned in the 31 st to 38 th slots in the circumferential direction of the stator core, the seventh magnetic pole of the stator winding is positioned in the 37 th to 44 th slots in the circumferential direction of the stator core, the second long-pitch conductor 200A in the phase winding is positioned in the 37 th to 44 th slots in the circumferential direction of the stator core, and the third long-pitch conductor 300A in the phase winding is also positioned in the 37 th to 44 th slots in the circumferential direction of the stator core, namely the second long-pitch conductor 200A and the third long-pitch conductor 300 in the phase winding are positioned in the same magnetic pole of the stator winding; referring to fig. 7, in the third embodiment, the second magnetic poles of the stator winding are located in the 7 th to 14 th slots in the stator core circumferential direction, the long-pitch conductor two 200A of the phase winding is located in the 7 th to 14 th slots in the stator core circumferential direction, the long-pitch conductor three 300A of the phase winding is also located in the 7 th to 14 th slots in the stator core circumferential direction, the third magnetic poles of the stator winding is located in the 13 th to 20 th slots in the stator core circumferential direction, the long-pitch conductor two 200A of the phase winding is located in the 13 th to 20 th slots in the stator core circumferential direction, the long-pitch conductor three 300A of the phase winding is also located in the 13 th to 20 th slots in the stator core circumferential direction, the sixth magnetic poles of the stator winding is located in the 31 th to 38 th slots in the stator core circumferential direction, the long-pitch conductor two 200A of the phase winding is located in the 31 th to 38 th slots in the stator core circumferential direction, the long-pitch conductor two 300A of the phase winding is also located in the 31 th to 38 th slots in the stator core circumferential direction, namely, the second long-pitch conductor 200A and the third long-pitch conductor 300 of the phase winding are positioned in the same magnetic pole of the stator winding;
with reference to fig. 8, in the fourth embodiment, the U2 lead end of the branch winding connects one of the welding ends of the long-pitch conductor two 200A, one of the welding ends of the long-pitch conductor two 200A connects one of the welding ends of the circumferentially adjacent short-pitch conductor 150B, the other of the welding ends of the short-pitch conductor 150B connects one of the welding ends of the circumferentially adjacent long-pitch conductor three 300A, the other of the welding ends of the long-pitch conductor three 300A connects one of the welding ends of the short-pitch conductor 150B, the other of the welding ends of the short-pitch conductor 150B connects one of the welding ends of the circumferentially adjacent long-pitch conductor two 200A, the other of the welding ends of the long-pitch conductor two 200A connects one of the welding ends of the short-pitch conductor three-pitch conductor 150B, the other soldered end of short-pitch conductor 150B is connected to the U4 outlet terminal.
As shown in fig. 4 to 8, in the first to fourth embodiments, the lead end U1 of the first branch winding of the 4 branch windings of each phase winding is located at the 1 st layer in the radial direction of the stator core, the lead end U3 of the branch winding is located at the 4 th layer (6 th layer, 8 th layer) in the radial direction of the stator core, M is 4 in the first embodiment, that is, the lead end of the branch winding of the phase winding is located at the 4 th layer, M is 6 in the second embodiment, that is, the lead end of the branch winding of the phase winding is located at the 6 th layer, M is 8 in the third embodiment, that is, the lead end of the branch winding of the phase winding is located at the 8 th layer, that is, the lead ends of the first branch winding of the phase winding are located at two non-adjacent layers in the radial direction of the stator core, the lead end U2 of the second branch winding of the 4 branch windings of the phase winding is located at the 1 st layer in the radial direction of the stator core, and the lead end U4 of the branch winding is located at the 4 th layer (6 th layer in the radial direction of the stator core), Layer 8), that is, the outgoing lines of the second branch winding of the phase winding are located at two non-adjacent layers in the radial direction of the stator core, the leading end U7 of the third branch winding of the 4 branch windings of the phase winding is located at the 4 th layer (layers 6 and 8) in the radial direction of the stator core, the outgoing line U5 of the third branch winding of the 4 branch windings of the phase winding is located at the 1 st layer in the radial direction of the stator core, that is, the outgoing line of the third branch winding of the phase winding is located at two non-adjacent layers in the radial direction of the stator core, the leading end U8 of the fourth branch winding of the 4 branch windings of the phase winding is located at the 4 th layer (layers 6 and 8) in the radial direction of the stator core, and the outgoing line U6 of the fourth branch winding of the 4 branch windings of the phase winding is located at the 1 st layer in the radial direction of the stator core, that is, that the outgoing line of the fourth branch winding of the phase winding is located at two non-adjacent layers in the radial direction of the stator core; that is, the outgoing line of each branch winding of each phase winding is positioned at two layers which are not adjacent in the radial direction of the stator core, one of the outgoing lines is positioned at the first layer, and the other outgoing line is positioned at the Mth layer.
With reference to fig. 9, the structure of the fifth embodiment is the same as that of the first embodiment, except that the stator winding of the first embodiment is in 4-branch parallel connection, the stator winding of the fifth embodiment is in 2-branch parallel connection, the fifth embodiment connects the outlet terminal U3 of the first branch winding of the 4 branch windings of the first embodiment in series with the lead terminal U7 of the third branch winding to form the first branch winding of the fifth embodiment, and connects the outlet terminal U4 of the second branch winding of the 4 branch windings of the first embodiment in series with the lead terminal U8 of the fourth branch winding to form the second branch winding of the fifth embodiment; of course, the 4 branch windings of the stator winding in the second to third embodiments of the present application may all form the stator winding 2 branch in the fifth embodiment and be connected in parallel, and Y in the present application is 4.
The embodiment also provides a motor, which comprises the motor stator and a motor adopting the motor stator.
The embodiment of the utility model provides a motor includes the motor stator in above-mentioned embodiment, consequently the embodiment of the utility model provides a motor also possesses the beneficial effect that the above-mentioned embodiment described, no longer gives unnecessary details here.
In the description of the embodiments of the present invention, unless otherwise explicitly specified or limited, the terms "connected" and "connected" should be interpreted broadly, e.g., as being fixedly connected, detachably connected, or integrally connected; the connection may be mechanical or electrical, may be direct, may be indirect via an intermediate medium (a bridge wire connection), or may be a communication between two elements. The above-described meaning of what is specifically intended in the present invention can be understood in specific instances by those of ordinary skill in the art. Finally, it should be noted that the above description is only a preferred embodiment of the present invention and the technical principles applied.
It will be understood by those skilled in the art that the present invention is not limited to the embodiments illustrated herein, but is capable of various obvious changes, rearrangements and substitutions without departing from the scope of the invention. Therefore, although the present invention has been described in greater detail with reference to the above embodiments, the present invention is not limited to the above embodiments, and may include other equivalent embodiments without departing from the scope of the present invention.
Claims (9)
1. An electric machine stator comprising:
a stator core having a plurality of core slots formed on a radially inner surface thereof and spaced apart at predetermined slot pitches in a circumferential direction thereof;
a stator winding including three phase windings mounted on the stator core and forming M layers in a radial direction of the stator core;
the method is characterized in that: each phase winding is formed by connecting X branch windings in parallel along the circumferential direction of the stator core through a plurality of long-pitch conductors and a plurality of short-pitch conductors, and the long-pitch conductors surround the short-pitch conductors;
the long-pitch conductor comprises a first long-pitch conductor, the inner parts of two slots of the first long-pitch conductor are positioned on two layers of stator iron cores which are adjacent in the radial direction, and the inner parts of two slots of the short-pitch conductor are positioned on two layers of stator iron cores which are adjacent in the radial direction;
the long-pitch conductor of at least one phase winding further comprises a second long-pitch conductor, and the two inner parts of the two slots of the second long-pitch conductor are located on the first layer and the Mth layer in the radial direction of the stator core.
2. The electric machine stator of claim 1, wherein the long-pitch conductor of at least one of the phase windings further comprises a third long-pitch conductor, two slot interiors of the third long-pitch conductor are located at the (N + 1) th and (N + 2) th radial layers of the stator core, and two slot interiors of the first long-pitch conductor are located at the (N + 1) th and (N + 1) th radial layers of the stator core.
3. The electric machine stator of claim 2, wherein the second long-pitch conductor is in the same phase winding as the third long-pitch conductor.
4. The electric machine stator of claim 3, wherein the second long-pitch conductor is located within the same pole of the stator winding as the third long-pitch conductor.
5. The stator for an electric motor according to any one of claims 1 or 2, wherein one welding terminal of the long-pitch conductor in each of said branch windings is waved around one welding terminal of the short-pitch conductor connected to the circumferentially adjacent one.
6. The electric machine stator of claim 4, wherein the number of said second long-pitch conductors and said third long-pitch conductors of said phase winding is at least 1.
7. The electric machine stator according to claim 1, wherein the outgoing line of each of the branch windings is located at a first layer and an Mth layer in a radial direction of the stator core.
8. The stator according to claim 7, wherein the outlet terminal of the first branch winding of the X branch windings of each phase winding is connected in series with the lead terminal of the other branch winding of the X/2+1 th branch winding of the phase winding to form X/2 parallel branch windings.
9. An electrical machine comprising an electrical machine stator according to any one of claims 1 to 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022910380.6U CN214124957U (en) | 2020-12-07 | 2020-12-07 | Motor stator and motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022910380.6U CN214124957U (en) | 2020-12-07 | 2020-12-07 | Motor stator and motor |
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| CN214124957U true CN214124957U (en) | 2021-09-03 |
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| CN202022910380.6U Active CN214124957U (en) | 2020-12-07 | 2020-12-07 | Motor stator and motor |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114552811A (en) * | 2022-03-29 | 2022-05-27 | 浙江极氪智能科技有限公司 | Motor stator and motor using same |
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2020
- 2020-12-07 CN CN202022910380.6U patent/CN214124957U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114552811A (en) * | 2022-03-29 | 2022-05-27 | 浙江极氪智能科技有限公司 | Motor stator and motor using same |
| CN114552811B (en) * | 2022-03-29 | 2024-03-01 | 浙江极氪智能科技有限公司 | Motor stator and motor using same |
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Effective date of registration: 20211118 Address after: 300308 No.1, Xishi Road, Tianjin Free Trade Zone (Airport Economic Zone), Binhai New Area, Tianjin Patentee after: Tianjin Songzheng Auto Parts Co.,Ltd. Address before: 300308 No.1, Xishi Road, Binhai New Area Free Trade Zone (Airport Economic Zone), Tianjin Patentee before: TIANJIN SANTROLL ELECTRIC AUTOMOBILE TECHNOLOGY Co.,Ltd. |
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Address after: No. 69, West 11th Road, Tianjin Free Trade Pilot Zone (Airport Economic Zone), Binhai New Area, Tianjin 300308 Patentee after: BorgWarner Powertrain (Tianjin) Co.,Ltd. Address before: 300308 No.1, Xishi Road, Tianjin Free Trade Zone (Airport Economic Zone), Binhai New Area, Tianjin Patentee before: Tianjin Songzheng Auto Parts Co.,Ltd. |
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