CN114204725A - Stator module, motor, power assembly and vehicle - Google Patents
Stator module, motor, power assembly and vehicle Download PDFInfo
- Publication number
- CN114204725A CN114204725A CN202210139423.6A CN202210139423A CN114204725A CN 114204725 A CN114204725 A CN 114204725A CN 202210139423 A CN202210139423 A CN 202210139423A CN 114204725 A CN114204725 A CN 114204725A
- Authority
- CN
- China
- Prior art keywords
- phase
- stator
- winding
- star point
- stator core
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Images
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K3/00—Details of windings
- H02K3/46—Fastening of windings on the stator or rotor structure
- H02K3/50—Fastening of winding heads, equalising connectors, or connections thereto
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K1/00—Details of the magnetic circuit
- H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
- H02K1/12—Stationary parts of the magnetic circuit
- H02K1/16—Stator cores with slots for windings
- H02K1/165—Shape, form or location of the slots
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K11/00—Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection
- H02K11/30—Structural association with control circuits or drive circuits
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K3/00—Details of windings
- H02K3/04—Windings characterised by the conductor shape, form or construction, e.g. with bar conductors
- H02K3/12—Windings characterised by the conductor shape, form or construction, e.g. with bar conductors arranged in slots
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K3/00—Details of windings
- H02K3/04—Windings characterised by the conductor shape, form or construction, e.g. with bar conductors
- H02K3/28—Layout of windings or of connections between windings
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/7072—Electromobility specific charging systems or methods for batteries, ultracapacitors, supercapacitors or double-layer capacitors
Abstract
The invention provides a stator assembly, a motor, a power assembly and a vehicle, which comprise a stator core and a stator winding, wherein the stator core is provided with a plurality of stator slots, the stator slots are distributed along the circumferential direction of the stator core, one path of winding part of each phase of the stator winding is arranged in the stator slot, the leading-out end of one path of winding of each phase is positioned on the radial inner side of the winding part based on the stator core, and the leading-out end of one path of winding of each phase is uniformly distributed along the circumferential direction of the stator core. The leading-out ends are arranged on the radial inner side of the winding part and are uniformly distributed along the circumferential direction, the star point ends can be arranged on the outer side or the inner side and can adopt a star connection method or a delta connection method according to requirements, so that the resistance of each phase can be balanced, the current in each phase can be balanced, and the running stability and the relevant performance of the motor can be improved.
Description
Technical Field
The invention relates to the technical field of motors, in particular to a stator assembly, a motor, a power assembly and a vehicle.
Background
The new energy vehicle has the characteristics of environmental protection, small pollution and the like because the new energy vehicle does not burn gasoline or diesel oil to generate power, and under the powerful popularization and application of new energy power generation such as hydroenergy, wind energy, solar energy, nuclear energy and the like, a plurality of new energy vehicles are gradually popularized and applied, such as new energy electric cars, new energy electric coaches, new energy electric trucks, new energy electric cleaning vehicles, new energy electric rail vehicles, new energy electric flying vehicles, new energy electric shipping vehicles and the like.
The new energy vehicle is generally provided with a battery, a motor control device, a motor and a power generation device, wherein a power tube in the motor control device receives direct current output by the battery, inverts the direct current into alternating current and outputs the alternating current to the motor, and then the motor outputs rotary driving force to drive the power generation device such as wheels, blades and the like to drive the vehicle to move.
With the integration of the vehicle to the drive assembly, i.e., the motor and the motor control device, the occupied space of the device needs to be further optimized and reduced, so as to make more space available for the use of the riding space, the battery space, etc.
The motor controller among the prior art sets up in the radial one side of motor, and the lead wire and the neutral conductor of stator winding in the motor all are located radial outside, for the convenience of being connected with the motor controller in radial outside, then lead wire and neutral conductor all concentrate and draw forth to convenient and motor controller is connected. The design structure is not only inconvenient for motor miniaturization, but also causes relative unevenness of each phase current due to uneven distribution of the positions of the lead and the neutral wire and the relative positions of each magnetic pole winding, thereby affecting the performance of the motor.
Disclosure of Invention
The invention aims to provide a stator assembly with uniformly distributed lead terminals on the radial inner side.
A second object of the present invention is to provide an electric machine having the above stator assembly.
The third purpose of the invention is to provide a power assembly with the motor.
A fourth object of the invention is to provide a vehicle having the above-mentioned motor.
In order to achieve the first object, the invention provides a stator assembly, which comprises a stator core and stator windings, wherein the stator core is provided with a plurality of stator slots, the stator slots are distributed along the circumferential direction of the stator core, a winding part of one path of winding of each phase of the stator winding is arranged in the stator slots, leading-out ends of one path of winding of each phase are all positioned on the radial inner side of the winding part based on the stator core, and the leading-out ends of one path of winding of each phase are uniformly distributed along the circumferential direction of the stator core.
It can be seen by above-mentioned scheme that through drawing forth the end setting in the radial inboard of winding part, and along circumference evenly distributed, the star point end can be arranged in the outside or inboard and can adopt star connection or triangular connection method according to the demand, not only can equalize each phase resistance, the electric current in the balanced each phase, thereby improve the operating stability and the correlation performance of motor, and make full use of the axial space and the radial inboard space of motor, the whole tip height and the radial arrangement space that have reduced motor winding, more do benefit to and reduce the motor volume that uses this stator module.
According to a further scheme, the star point end of each path of winding is located on the radial inner side of the winding part based on the stator core, and the star point ends of each path of winding are uniformly distributed along the circumferential direction of the stator core.
Therefore, the star point end is arranged on the radial inner side of the winding part and is uniformly distributed along the circumferential direction, and the inner sides of the upper leading-out ends are uniformly distributed, so that the current in each phase can be further balanced by balancing the resistance of each phase, and the wiring connection is more convenient.
In a further scheme, in the axial projection of the stator core, the projection of the leading-out end is located on the inner side of the radial direction of the stator core.
According to a further scheme, the stator assembly further comprises a neutral connecting plate, the neutral connecting plate is arranged in an arc shape or an annular shape, the neutral connecting plate is provided with a plurality of neutral connecting ends, and the neutral connecting ends are connected with the star point ends.
In a further aspect, the neutral connection plate is located radially inward of the winding portion; in the axial projection of the stator core, the projection of the neutral connecting plate is positioned on the inner side of the star point end in the radial direction of the stator core, and the projection of the leading-out end is positioned on the inner side of the neutral connecting plate in the radial direction of the stator core.
It is thus clear that through leading out the end and being closer to radial inboard arranging to each looks star point connection wiring, each star point is connected to the neutral connecting plate that rethread arc or annular set up, and the star point's of being convenient for connection arranges, and the neutral connecting plate arranges for the radial inboard of star point end, can avoid the arrangement structure of winding, makes the clearance of each part even, also can practice thrift winding tip space simultaneously.
A further scheme is that each phase of the stator winding is provided with two windings, and winding parts of the two windings of each phase are arranged in the stator slots; leading-out ends of the two windings of each phase are positioned on the radial inner side of the winding part based on the stator core, the leading-out ends of the two windings of each phase are respectively led out from two adjacent stator slots, the first windings of the same phase are arranged in parallel with the second windings of the same phase, the leading-out ends of the first windings of each phase are uniformly distributed along the circumferential direction of the stator core, and the leading-out ends of the second windings of each phase are uniformly distributed along the circumferential direction of the stator core.
It can be seen from above that, the end of drawing forth of two way wire windings of every parallelly connected all is located the radial inboard of winding part, and the end of drawing forth of the corresponding way of each phase is along circumference evenly distributed, the star point end can be arranged in the outside or inboard and can adopt star connection or delta connection method according to the demand, not only can equalize each phase resistance, the electric current in the balanced each phase, thereby improve the operating stability and the correlation performance of motor, and utilize drawing forth of adjacent stator slot, make two draw forth the end and be adjacent arrangement, so that connect the use, moreover make full use of the axial space and the radial inboard space of motor, the whole tip height and the radial arrangement space that have reduced motor winding, more do benefit to and reduce the motor volume that uses this stator module.
According to a further scheme, the star point ends of the two windings of each phase are located on the radial inner side of the winding part based on the stator core, the star point ends of the two windings of each phase are respectively led out from two adjacent stator slots, the star point ends of the first windings of each phase are uniformly distributed along the circumferential direction of the stator core, and the star point ends of the second windings of each phase are uniformly distributed along the circumferential direction of the stator core.
It can be seen from above that, through the radial inboard of star point end setting at the winding part, and evenly distributed along circumference, the inboard of drawing forth the end on the cooperation is even respectively, not only can further equalize the electric current in each phase resistance equilibrium each phase, and star point end also draws forth from adjacent stator slot, then more is convenient for the wiring connection.
In a further scheme, in the axial projection of the stator core, the projection of the leading-out end of each path of the same winding is located on the radial inner side of the star point end based on the projection of the stator core.
According to a further scheme, the stator assembly further comprises a neutral connecting plate, the neutral connecting plate is arranged in an arc shape or an annular shape, the neutral connecting plate is provided with a plurality of single-phase connecting groups, each single-phase connecting group comprises at least two neutral connecting ends which are adjacently arranged, and the neutral connecting ends are connected with the star point ends.
Still further, the neutral connection plate is located radially inside the winding portion; and along the radial direction of the stator core, the neutral connecting plate is positioned between the star point end and the leading-out end in the same path.
It is thus clear that through leading out the end and being closer to radial inboard arranging to each looks star point connection wiring, each star point is connected to the neutral connecting plate that rethread arc or annular set up, and the star point's of being convenient for connection arranges, and the neutral connecting plate arranges for the radial inboard of star point end, can avoid the arrangement structure of winding, makes the clearance of each part even, also can practice thrift winding tip space simultaneously.
According to a further scheme, each stator slot is provided with a plurality of slot layers, the slot layers are distributed along the radial direction of the stator core, the leading-out end is led out from the innermost slot layer, and the star point end is led out from the second inner slot layer.
From top to bottom, draw forth from the innermost side groove layer through drawing forth the end to external use, and the star point end is drawn forth from inferior inboard groove layer, and the star point end can be convenient for be connected with the star point end of other looks, thereby can avoid the interference of wiring, optimize and walk the line overall arrangement.
According to a further scheme, the stator assembly further comprises a single-phase wiring terminal, the single-phase wiring terminal is located on the radial inner side of the winding portion, and is provided with an incoming end which is connected with the leading-out end.
It is thus clear that through setting up single-phase binding post and leading out the end at radial inboard and be connected, not only be connected with motor controller through single-phase binding post convenience, and further fully radial inboard space, wholly reduced motor winding's tip height and radial arrangement space, more do benefit to and reduce the motor volume that uses this stator module.
According to a further scheme, each stator slot is provided with a plurality of slot layers, the slot layers are distributed along the radial direction of the stator core, the leading-out end is led out from the innermost slot layer, and the star point end is led out from the next inner slot layer; one winding of each phase of the stator winding is formed by connecting two branch windings in series, leading-out ends of the two branch windings are respectively led out from two adjacent stator slots, and star point ends of the two branch windings are respectively led out from two adjacent stator slots; the stator assembly further comprises a serial connection piece, and the serial connection piece is connected between the star point end of one shunt winding and the leading-out end of the other shunt winding.
It can be seen from above that, two of the winding wire of a way that forms through establishing ties draw forth the end and the star point end is located two adjacent stator slots respectively, be convenient for then the series connection piece connect a star point end and another draw forth between the end to realize series connection and walk the line overall arrangement.
In order to achieve the second object of the present invention, the present invention provides an electric machine comprising a rotor assembly and a stator assembly as in the above solution, the rotor assembly being rotatably disposed within a stator core.
In order to achieve the third object of the invention, the invention provides a power assembly, which comprises the motor and a motor control device, wherein the motor control device is connected to the axial end part of the motor, the motor control device is provided with at least three single-phase terminals in the middle part, the single-phase terminals are uniformly distributed along the circumferential direction, and the leading-out end is connected with the single-phase terminals.
In order to achieve the fourth object of the invention, the invention provides a vehicle comprising the motor according to the scheme.
It is thus clear that by above-mentioned scheme, through the radial inboard of drawing forth the end and along circumference evenly distributed, be connected the single-phase wiring end that the complex motor controller can arrange corresponding circumference evenly arranged with it for motor controller can arrange at the axial tip of motor, utilizes highly integrated to arrange, reduces radial arrangement space, effectively reduces occupation space, improves space utilization, realizes that the drive assembly highly integrates, practices thrift vehicle's equipment and arranges the space.
Drawings
Figure 1 is a block diagram of a first embodiment of a stator assembly of the present invention.
Figure 2 is a block diagram of a first embodiment of the stator assembly of the present invention on the axial side.
Fig. 3 is a winding schematic of a first embodiment of the stator assembly of the present invention.
Figure 4 is a block diagram of the neutral connection plate of the first embodiment of the stator assembly of the present invention.
Figure 5 is a block diagram of a neutral web of a second embodiment of the stator assembly of the present invention.
Figure 6 is a block diagram of a neutral web of a third embodiment of the stator assembly of the present invention.
Figure 7 is a block diagram of a fourth embodiment of a stator assembly of the present invention.
Figure 8 is a block diagram of a fourth embodiment of the stator assembly of the present invention on the axial side.
Fig. 9 is a winding schematic of a fourth embodiment of the stator assembly of the present invention.
Figure 10 is a block diagram of a neutral web of a fourth embodiment of the stator assembly of the present invention.
Fig. 11 is a block diagram of a single phase terminal of a fourth embodiment of the stator assembly of the present invention.
Figure 12 is a block diagram of a neutral web of a fifth embodiment of the stator assembly of the present invention.
Figure 13 is a structural view of a neutral web of a sixth embodiment of the stator assembly of the present invention.
The invention is further explained with reference to the drawings and the embodiments.
Detailed Description
Stator assembly first embodiment:
referring to fig. 1 to 4, the stator assembly includes a stator core 11 and a stator winding 3, the stator core 11 is provided with a plurality of stator slots 12, the plurality of stator slots 12 are distributed along a circumferential direction of the stator core 11, the number of the stator slots in this embodiment is 48, the number of the phases is three, the three phases include a U phase, a V phase, and a W phase, each stator slot 12 has a plurality of slot layers, the plurality of slot layers are distributed along a radial direction of the stator core 11, the plurality of slot layers are respectively an a-th layer, a b-th layer, a c-th layer, a d-th layer, an e-th layer, and an f-th layer from inside to outside along the radial direction, the number of poles 2p is 8 (that is, the number of pole pairs is 4), p may be 8 poles, 4 poles, and the like, the number of phases may be three, two or single, the number of stator slots may be 24, 48, 72, etc., the number of slot layers may be other numbers of layers, and the stator parameter variations may be set according to the specific motor to be applied.
Stator winding 3 includes U looks wire winding, V looks wire winding and W looks wire winding, and the present case utilizes the flat line and adopts the ripples mode of winding to arrange, inserts the corresponding slot layer of stator slot through the flat line, and the initial point of wire winding is from inlayer clockwise wire winding to outmost, then from outermost wire winding to inlayer, to the terminal department, through adapter from inlayer anticlockwise wire winding to outmost, then from outermost wire winding to inlayer, the tip of each flat line deflects the back, welds axial both ends again, welds together through neutral line with the star point end of each phase at last.
Specifically, each phase of winding is arranged in one path, a U-phase is taken as an example, the U-phase winding is formed by serially connecting a shunt winding a and a shunt winding B, a leading-out end first 311 of the U-phase shunt winding a is led out from the innermost slot layer (layer a) of the 1 st slot, winding arrangement is performed according to a winding schematic diagram shown in fig. 3, a thick line in the drawing is a wire inserting end, a thin line is a welding end, after the U-phase shunt winding a is arranged for one turn, a star point end first 312 is led out from the secondary inner slot layer (layer B) of the 43 th slot, and along with deflection of a winding end, the leading-out end first 311 and the star point end first 312 deflect to a position where the 46 th slot faces out.
And a first leading-out end 311 of the U-phase shunt winding B is led out from the innermost slot layer (a layer) of the 48 th slot, after the U-phase shunt winding B is arranged for one circle, a first star point end 312 is led out from a second inner slot layer (B layer) of the 42 th slot, and a second leading-out end 313 and a second star point end 314 deflect to the position where the 45 th slot is opposite along with deflection of the winding wire end. The stator assembly further comprises a serial connection piece 33, a first end 331 of the serial connection piece 33 is connected with a first star point end 312, a second end 332 of the serial connection piece 33 is connected with a second leading-out end 313, then U-phase winding arrangement is achieved, the first leading-out end 311 is used as a leading-out end of the U-phase winding in an external connection mode, and the second star point end 314 is used as a star point end of the U-phase winding and connected with star point ends of other phases in a connection mode.
The V-phase winding and the W-phase winding are both the same as the U-phase winding and the connection and extraction methods thereof, and may be specifically arranged with reference to the winding diagram shown in fig. 3, in which a first extraction end 311 of the V-phase winding is extracted from the 17 th slot a layer, a second star point end 314 of the V-phase winding is extracted from the 10 th slot b layer, a first extraction end 311 of the W-phase winding is extracted from the 33 rd slot a layer, and a second star point end 314 of the W-phase winding is extracted from the 26 th slot b layer.
The leading-out terminal one 311, the star point terminal one 312, the leading-out terminal two 313 and the star point terminal two 314 of one winding of each phase are all positioned at the radial inner side of the winding part 31 based on the stator core 11, the leading-out terminal of one winding of each phase is uniformly distributed along the circumferential direction of the stator core 11, the star point terminal of one winding of each phase is uniformly distributed along the circumferential direction of the stator core 11, more specifically, in the axial projection of the stator core 11, the projection of the leading-out end I311 is located on the radial inner side of the star point end I312, the projection of the leading-out end II 313 is located on the radial inner side of the star point end II 314, the leading-out end I311 of the U-phase winding, the leading-out end I311 of the V-phase winding and the leading-out end I311 of the W-phase winding are circumferentially and uniformly distributed at an included angle of 120 degrees, and the star point end II 314 of the U-phase winding, the star point end II 314 of the V-phase winding and the star point end II 314 of the W-phase winding are circumferentially and uniformly distributed at an included angle of 120 degrees.
Stator module is still including being the neutral connecting plate 32 that the arc extends, neutral connecting plate 32 includes arc plate and a plurality of single-phase connection group, the arc plate includes two arc portion 320 and three outer convex part 322, arc portion 320 of arc plate is concentric circular arc and extends the setting, arc portion 320 and outer convex part 322 connect gradually with interval, the external diameter of outer convex part 322 is greater than the external diameter of arc portion 320, a single-phase connection group sets up on one outer convex part 322, single-phase connection group sets up on outer convex part 322 is based on arc plate axial's axial terminal surface, outer convex part 322 includes the plane section and is located the linkage segment of plane section one side or both sides, a linkage segment is connected with arc portion 320 on the same side, the plane section is evagination in arc portion 320.
In this embodiment, the number of the first neutral connection ends 321 is one, the first neutral connection ends 321 are centrally arranged on the axial end face of the plane section, the first neutral connection ends 321 extend along the axial direction of the arc-shaped plate, the plurality of first neutral connection ends 321 are evenly distributed and arranged on the arc-shaped plate along the circumferential direction, two first neutral connection ends 321 are arranged on two end portions of the arc-shaped plate, a partition portion is arranged between the two end portions, and the plurality of first neutral connection ends 321, the first arc-shaped portions 320 and the first outer convex portions 322 are integrally arranged.
The first arc-shaped part 320 extending on the inner side is used for avoiding a welding end of a winding, the first arc-shaped part 320 of the first neutral connecting plate 32 is located on the radial inner side of the winding part 31, in the axial projection of the stator core 11, the projection of the first neutral connecting plate 32 is located on the radial inner side of the first star point end 312 based on the stator core 11, the projection of the first leading-out end 311 is located on the radial inner side of the first neutral connecting plate 32 based on the stator core 11, then the first neutral connecting end 321 of the first outer convex part 322 extends into the outer side of the second leading-out end 313 and is welded with the second star point end 314, and the three first neutral connecting ends 321 of the first neutral connecting plate 32 are respectively connected with the second star point ends 314 of the U phase, the V phase and the W phase, so that the star connection method is achieved.
Except adopting curved neutral connecting plate, can also adopt as shown in figure 5 neutral connecting plate two 34, closed ring type neutral connecting plate two 34 includes annular plate and a plurality of single-phase connection group, annular plate is the setting of closed ring shape, a plurality of single-phase connection group set up on annular plate along circumference evenly distributed, annular plate includes a plurality of arc portions two 340 and a plurality of outer convex part two 342, a plurality of arc portions two 340 and a plurality of outer convex part two 342 looks end to end connection, the external diameter of outer convex part two 342 is greater than the external diameter of arc portion two 340, a single-phase connection group sets up on one outer convex part two 342, outer convex part two 342 includes the plane section and the linkage segment that is located the plane section both sides, a linkage segment is connected with arc portion two 340 on the same side.
The single-phase connection group comprises a second neutral connection end 341, the second neutral connection end 341 is arranged on an axial end face of the plane section of the second outer convex part 342 on the basis of the axial direction of the annular plate, the second neutral connection ends 341 are uniformly distributed along the circumferential direction and are arranged at an included angle of 120 degrees, and the second neutral connection ends 341 extend along the axial direction of the annular plate. The second neutral connection ends 341 are integrally formed with the arc-shaped portion and the convex portion in the annular plate.
Through welding the second neutral connection end 341 with the second star point end 314 and avoiding the second arc part 340 from the welding end of the winding, the second arc part 340 of the second neutral connection plate 34 is positioned on the radial inner side of the winding part 31, and the star point end connection of each phase can also be realized.
In addition to the neutral connection plate, a neutral connection plate iii 35 shown in fig. 6 may be used, the split neutral connection plate iii 35 includes six arc-shaped plate members 354 and three single-phase connection members 352, each single-phase connection member 352 includes an outer convex portion iii 3521 and two inner connection portions 3522, the two inner connection portions 3522 are located on both sides of the outer convex portion iii 3521, the neutral connection end iii 351 is disposed on an axial end face of the outer convex portion iii 3521 in the axial direction of the arc-shaped plate member 354, the two first end connection ends 353 are disposed on an axial end face of the inner connection portion 3522 in the axial direction of the arc-shaped plate member 354 and are arranged in the circumferential direction, and the outer convex portion, the two inner connection portions, the neutral connection end and the first end connection ends are integrally formed.
Six arc plate 354 are the extension setting of concentric circular arc, the tip of arc plate 354 is provided with second end connection 355 respectively and arranges along circumference, neutral connection end three 351, first end connection 353 and second end connection 355 all extend along the axial and arrange, interconnection portion 3522 is located the radial inboard of second end connection 355, first end connection 353 and second end connection 355 distribute along the radial of arc plate 354, first end connection 353 is located the inboard of second end connection 355, a first end connection 353 and a second end connection 355 welded connection, then single-phase connecting piece 352 is connected with two arc plate 354 with one side, two arc plate 354 of homonymy distribute along the axial.
Then the arc-shaped plates 354 and the single-phase connecting pieces 352 are connected end to end at intervals to form a third neutral connecting plate 35 which is arranged in a closed ring shape, and based on the circle center of the arc-shaped plates 354, the distance from the third neutral connecting end 351 to the circle center is larger than the outer diameter of the arc-shaped plates 354.
Certainly, the user can also allocate and organically combine the number of the arc-shaped plates 354 and the single-phase connecting pieces 352 according to the requirement, the single-phase connecting pieces can also be connected in a single side manner, namely two arc-shaped plates and at least three single-phase connecting pieces are adopted, the neutral connecting plate extending in the arc manner can also be formed, the extending radian of the arc-shaped plates can also be adjusted, and then the connection combination mode of six single-phase connecting pieces can be formed.
Through welding the neutral connection end III 351 and the star point end II 314 and avoiding the welding end of the winding by the arc-shaped plate 354, the arc-shaped plate 354 of the neutral connection plate III 35 is positioned on the radial inner side of the winding part 31, and the star point end connection of each phase can also be realized.
Stator assembly fourth embodiment:
referring to fig. 7 to 9, the stator assembly includes a stator core 11 and a stator winding 3, the stator core 11 is provided with a plurality of stator slots 12, the plurality of stator slots 12 are distributed along a circumferential direction of the stator core 11, the number of the stator slots in this embodiment is 48, the number of the phases is three, the three phases include a U phase, a V phase, and a W phase, each stator slot 12 has a plurality of slot layers, the plurality of slot layers are distributed along a radial direction of the stator core 11, and the plurality of slot layers are respectively an a-th layer, a b-th layer, a c-th layer, a d-th layer, an e-th layer, and an f-th layer from inside to outside along the radial direction, and the stator parameters can be set according to a specific applicable motor.
Stator winding 3 includes U looks wire winding, V looks wire winding and W looks wire winding, and the present case utilizes the flat line and adopts the ripples mode of winding to arrange, inserts the corresponding slot layer of stator slot through the flat line, and the initial point of wire winding is from inlayer clockwise wire winding to outmost, then from outermost wire winding to inlayer, to the terminal department, through adapter from inlayer anticlockwise wire winding to outmost, then from outermost wire winding to inlayer, the tip of each flat line deflects the back, welds axial both ends again, welds together through neutral line with the star point end of each phase at last.
Specifically, each phase of winding is arranged in parallel in two ways, a first way of winding and a second way of winding in the same phase are arranged in parallel, a U-phase is taken as an example, the first way of winding of the U-phase is connected in parallel with the second way of winding of the U-phase, a leading-out end first 311 of the first way of winding of the U-phase is led out from the innermost slot layer (layer a) of the 1 st slot, a leading-out end second 313 of the second way of winding of the U-phase is led out from the innermost slot layer (layer a) of the 48 th slot, winding arrangement is carried out according to a winding schematic diagram shown in fig. 9, a thick line in the diagram is a wire inserting end, a thin line is a welding end, after the two ways of winding of the U-phase are respectively arranged for one turn, a star point end first 312 of the first way of winding of the U-phase is led out from the secondary inner slot layer (layer b) of the 43 th slot, and a star point end second 314 of the second way of winding of the U-phase is led out from the secondary inner slot layer (layer b) of the 42 th slot.
As the wire ends deflect, terminal one 311 and star point terminal one 312 deflect to the position where the 46 th slot is aligned, and terminal two 313 and star point terminal two 314 deflect to the position where the 45 th slot is aligned.
The V-phase winding and the W-phase winding are both the same as the U-phase winding and the connection and extraction methods thereof, and may be specifically arranged with reference to the winding diagram shown in fig. 9, a first leading end 311 of the V-phase first winding is led out from the 17 th slot a layer, a first star point end 312 of the V-phase first winding is led out from the 11 th slot b layer, a second leading end 313 of the V-phase second winding is led out from the 16 th slot a layer, a second star point end 314 of the V-phase second winding is led out from the 10 th slot b layer, a first leading end 311 of the W-phase first winding is led out from the 33 rd slot a layer, a first star point end 312 of the W-phase first winding is led out from the 27 th slot b layer, a second leading end 313 of the W-phase second winding is led out from the 32 th slot a layer, a second star point end 314 of the W-phase second winding is led out from the 26 th slot b layer, and the first star point end 312 and the second star point end 314 of each phase are connected to form a star connection method.
The leading-out end one 311, the star point end one 312, the leading-out end two 313 and the star point end two 314 of one winding of each phase are all located on the radial inner side of the winding part 31 based on the stator iron core 11, the leading-out ends of the two windings of each phase are uniformly distributed along the circumferential direction of the stator iron core 11, the star point ends of the two windings of each phase are uniformly distributed along the circumferential direction of the stator iron core 11, more specifically, in the axial projection of the stator iron core 11, the projection of the leading-out end one 311 is located on the radial inner side of the star point end one 312 based on the stator iron core 11, and the projection of the leading-out end two 313 is located on the radial inner side of the star point end two 314 based on the radial inner side of the stator iron core 11.
The leading-out end I311 of the U-phase first winding, the leading-out end I311 of the V-phase first winding and the leading-out end I311 of the W-phase first winding are circumferentially and uniformly distributed with an included angle of 120 degrees, the leading-out end II 313 of the U-phase second winding, the leading-out end II 313 of the V-phase second winding and the leading-out end II 313 of the W-phase second winding are circumferentially and uniformly distributed with an included angle of 120 degrees, the star point end II 314 of the U-phase first winding, the star point end II 314 of the V-phase first winding and the star point end II 314 of the W-phase first winding are circumferentially and uniformly distributed with an included angle of 120 degrees, and the star point end II 314 of the U-phase second winding, the star point end II 314 of the V-phase second winding and the star point end II 314 of the W-phase second winding are circumferentially and uniformly distributed with an included angle of 120 degrees.
Referring to fig. 10 in combination with fig. 8, the stator assembly further includes a neutral connection board iii 35, the neutral connection board iii 35 may adopt a split type neutral connection board as shown in fig. 6, since each phase has two star point ends of two windings, then in this embodiment, two neutral connection terminals iii 351 are disposed on the convex portion iii 3521 of the single-phase connection 352, the two neutral connection terminals iii 351 are respectively located on both sides, the neutral connection terminal iii 351 of the convex portion iii 3521 extends to the outside of the lead-out terminal ii 313 and is respectively welded with the star point end i 312 and the star point end ii 314, and the six neutral connection terminals iii 351 of the neutral connection board iii 35 are respectively connected with the star point ends of the U phase, the V phase and the W phase, thereby implementing the star connection method. And, the outer convex part three 3521 of the single-phase connecting piece 352 is positioned between the star point end and the leading-out end of the same path, the arc-shaped plate 354 avoids the welding end of the winding, and the arc-shaped plate 354 of the neutral connecting plate three 35 is positioned at the radial inner side of the winding part 31.
Referring to fig. 11 in combination with fig. 8, the stator assembly further includes three single-phase connection terminals 42, the three single-phase connection terminals 42 are located on the radial inner side of the winding portion 31 and are uniformly distributed along the circumferential direction, each single-phase connection terminal 42 includes a connection board 423 and an access board 422, two adjacent access terminals two 421 are disposed on the access board 422, the extending direction of the two access terminals two 421 is perpendicular to the extending direction of the access board 422, the extending direction of the access board 422 is parallel to the extending direction of the connection board 423, after the single-phase connection terminal 42 is connected to the first lead-out terminal 311, the two access terminals two 421 extend in the same direction as the first lead-out terminal 311 and extend along the axial direction, the heights of the two access terminals two 421 are the same, the connection board 423 and the access board 422 are connected in a staggered manner, the access terminals two connection boards 421 and the connection board 423 are respectively located on two sides of the access board 422, the two access terminals 421 are both located on the same side portion of the extending direction of the connection board 423, terminal plate 423 is raised near second access end 421, terminal plate 423 is also raised near the axial outer end, access plate 422 is recessed toward the axial inner side, and terminal plate 423, access plate 422, and two second access ends 421 are integrally formed.
The terminal plate 423 is provided with a terminal hole 424 therethrough, the terminal plate 423 and the terminal hole 424 being close to the arc-shaped plate 354 of the neutral connection plate, the terminal plate 423 being located radially inward of the neutral connection plate. Each of the two incoming ends 421 of the single-phase wiring terminals 42 is respectively connected with the first outgoing end 311 and the second outgoing end 313 in a welding mode, and the wiring holes 424 of the three single-phase wiring terminals 42 are respectively and correspondingly connected with U, V, W phase wiring columns in the motor controller, so that power output and control can be achieved.
In addition, based on the basic structure of the single-phase connection terminal 42, after one incoming end two 421 is omitted from the single-phase connection terminal 42, the single-phase connection terminal 41 is shown in fig. 2, the three single-phase connection terminals 41 are located on the radial inner side of the winding portion 31 and are distributed uniformly along the circumferential direction, and are located on the radial inner side of the neutral connection plate one 32, the single-phase connection terminal 41 is provided with an incoming end one 411, the incoming end one 411 is connected with a leading-out end one 311, and then the single-phase connection terminal 41 is connected with U, V, W phase connection posts in the motor controller in a matching mode, so that the output and the control of power can be achieved.
Referring to fig. 12, for the neutral connection board, a neutral connection board two 34 shown in fig. 5 may also be used, the single-phase connection group includes two neutral connection terminals two 341, the neutral connection terminals two 341 are located on an axial end surface of the plane section where the second convex portions 342 are located, the two neutral connection terminals two 341 are located on two sides, the plurality of neutral connection terminals two 341 on the same side are uniformly distributed along the circumferential direction and are arranged at an included angle of 120 degrees, and the plurality of neutral connection terminals two 341 are respectively welded to the first star point terminal 312 and the second star point terminal 314, so that a star connection method is implemented.
Referring to fig. 13, for the neutral connection board, a first neutral connection board 32 shown in fig. 4 may also be adopted, the single-phase connection group includes two first neutral connection terminals 321, the two first neutral connection terminals 321 are disposed on the axial end surface of the first outer convex portion 322 and are located at two sides, the plurality of first neutral connection terminals 321 on the same side are uniformly distributed along the circumferential direction and are arranged at an included angle of 120 degrees, and the plurality of first neutral connection terminals 321 are respectively welded with the first star point terminal 312 and the second star point terminal 314, so as to implement a star connection method.
The motor embodiment is as follows:
the motor comprises a rotor assembly and a stator assembly according to the scheme, wherein the rotor assembly is rotatably arranged in a stator iron core, and the rotor assembly comprises a rotor and a magnet arranged on the rotor.
The power assembly embodiment:
the power assembly includes motor and motor control device, the motor includes the rotor subassembly and the stator module as above-mentioned scheme, motor control device can adopt the publication number to be CN110912326A three-phase connection terminal, drive assembly and the disclosed three-phase connection terminal and the motor control device of vehicle, motor control device connects the axial tip at the motor, the three-phase connection terminal sets up the middle part at motor control device, motor control device's three-phase connection terminal is provided with at least three single-phase wiring end at the middle part, a plurality of single-phase wiring end are along circumference evenly distributed, draw forth the end and be connected with single-phase wiring end.
Vehicle embodiment:
the vehicle comprises the driving assembly according to the scheme, the driving assembly can be integrated with a transmission or not, and the vehicle can be a new energy electric car, a new energy electric passenger car, a new energy electric truck, a new energy electric cleaning vehicle, a new energy electric rail vehicle, a new energy electric flying vehicle, a new energy electric shipping vehicle and the like.
Of course, the above embodiments are only preferred embodiments of the present invention, and in a specific application, the star point ends may be uniformly arranged on the radial outer side of the winding along the circumferential direction, and then the star point ends of each phase are connected by the neutral connection board located on the outer side, and the matching of the leading-out ends may be configured according to the number of phases and the number of paths of the winding, the included angle between the leading-out ends may be 120 °, 60 °, 45 °, 30 ° or other uniformly distributed angles, and the neutral connection board may be arranged in an overall ring shape and an overall arc shape, i.e. without adopting a convex design, the convex of the neutral connection end may be used and connected with the star point ends, and in addition, the leading-out ends of each phase and the leading-out positions of the star point ends of each phase are correspondingly and circumferentially distributed, and because the leading-out ends of each phase and the star point ends of each phase are bent by the same amplitude after leading out, the respective end portions are correspondingly and circumferentially distributed, no matter the leading-out positions or the end portions are circumferentially distributed, and the winding mode, the number of turns and the number of layers can be adjusted according to practical application, and the stator winding can also adopt a round copper wire or be arranged, and the change can realize the aim of the invention and is also in the protection scope of the invention.
It is thus clear that, through drawing forth the end setting at the radial inboard of winding part, and along circumference evenly distributed, the star point end can be arranged in the outside or inboard and can adopt star connection or triangle connection method according to the demand, not only can equalize each phase resistance, the electric current in the balanced each phase, thereby improve the operating stability and the correlation performance of motor, and make full use of the axial space and the radial inboard space of motor, the whole tip height and the radial arrangement space that have reduced motor winding, more do benefit to and reduce the motor volume that uses this stator module.
In addition, the leading-out ends of the two parallel windings are positioned on the radial inner side of the winding part, the leading-out ends of the corresponding paths of the phases are uniformly distributed along the circumferential direction, the star point ends can be arranged on the outer side or the inner side and can adopt a star connection method or a delta connection method according to requirements, so that the resistances of the phases can be balanced, the currents in the phases can be balanced, and the running stability and the relevant performance of the motor can be improved.
And, set up in the radial inboard of the winding part through the star point end, and evenly distributed along circumference, the neutral link that the circumference evenly distributed was gone up in the cooperation is connected with the star point end, can equalize the electric current in each phase resistance equalization phase, and utilize single-phase connection group to set up on the axial terminal surface of outer convex part, and the arc portion is less external diameter and arranges, then outer convex part is used for evagination and is connected with the star point end, and the inner side arc portion can avoid the arrangement structure of winding, make the clearance of each part even, also can practice thrift winding tip space simultaneously, axially extending neutral link and star point end syntropy, be convenient for end welding connection technology. And utilize to have between the single-phase connection group on two tip to cut off the portion, then make disconnection arc plate process more easily, effectively reduce the process degree.
Furthermore, through wiring board and the access board that the dislocation links to each other, when promoting structural strength, make the incoming end and the wiring hole of homonymy conveniently be connected with leading-out terminal and motor controller, the axial space is saved in the arrangement of dislocation, and utilize two incoming ends all to be located on the same lateral part on the wiring board extending direction, radial inboard space can also be saved, cooperate circumference equipartition ground again and be connected with leading-out terminal, can balance the electric current in each phase resistance equilibrium phase, and the single-phase binding post of inboard arrangement can avoid the arrangement structure of winding, also can practice thrift winding tip space, but the axial space and the radial inboard space of make full use of motor, the whole tip height and the radial arrangement space that have reduced motor winding, more do benefit to and reduce the motor volume that uses this stator module.
Claims (16)
1. The stator assembly comprises a stator core and a stator winding, wherein the stator core is provided with a plurality of stator slots, the stator slots are distributed along the circumferential direction of the stator core, each phase of the stator winding is provided with at least one winding, and the winding part of one winding of each phase is arranged in the stator slot;
the method is characterized in that:
and the leading-out ends of the windings in one path of each phase are positioned on the radial inner side of the winding part based on the stator core, and the leading-out ends of the windings in one path of each phase are uniformly distributed along the circumferential direction of the stator core.
2. The stator assembly of claim 1, wherein:
the star point end of each phase of the winding is located on the radial inner side of the winding part based on the stator core, and the star point end of each phase of the winding is uniformly distributed along the circumferential direction of the stator core.
3. The stator assembly of claim 2, wherein:
in the axial projection of the stator core, the projection of the leading-out end is located on the radial inner side of the star point end based on the stator core.
4. The stator assembly of claim 2, wherein:
stator module still includes neutral connecting plate, neutral connecting plate is arc or annular setting, neutral connecting plate is provided with a plurality of neutral link, neutral link with the star point end is connected.
5. The stator assembly of claim 4, wherein:
the neutral connection plate is located radially inward of the winding portion;
in the axial projection of the stator core, the projection of the neutral connecting plate is located on the radial inner side of the stator core based on the projection of the star point end, and the projection of the leading-out end is located on the radial inner side of the stator core based on the projection of the neutral connecting plate.
6. The stator assembly of claim 1, wherein:
each phase of the stator winding is provided with two windings, and winding parts of the two windings of each phase are arranged in the stator slots;
leading-out ends of the two windings of each phase are positioned on the radial inner side of the winding part based on the stator core, the leading-out ends of the two windings of each phase are respectively led out from two adjacent stator slots, the first windings of the same phase are arranged in parallel with the second windings of the same phase, the leading-out ends of the first windings of each phase are uniformly distributed along the circumferential direction of the stator core, and the leading-out ends of the second windings of each phase are uniformly distributed along the circumferential direction of the stator core.
7. The stator assembly of claim 6, wherein:
the star point ends of the two windings of each phase are positioned on the radial inner side of the winding part based on the stator core, the star point ends of the two windings of each phase are respectively led out from two adjacent stator slots, the star point ends of the first winding of each phase are uniformly distributed along the circumferential direction of the stator core, and the star point ends of the second winding of each phase are uniformly distributed along the circumferential direction of the stator core.
8. The stator assembly of claim 7, wherein:
in the axial projection of the stator core, the projection of the leading-out end of each path of the same winding is positioned on the radial inner side of the stator core based on the projection of the star point end.
9. The stator assembly of claim 7, wherein:
the stator assembly further comprises a neutral connecting plate, the neutral connecting plate is arranged in an arc shape or an annular shape, the neutral connecting plate is provided with a plurality of single-phase connecting groups, each single-phase connecting group comprises at least two neutral connecting ends which are adjacently arranged, and the neutral connecting ends are connected with the star point ends.
10. The stator assembly of claim 9, wherein:
the neutral connection plate is located radially inward of the winding portion;
and along the radial direction of the stator core, the neutral connecting plate is positioned between the star point end and the leading-out end in the same path.
11. The stator assembly of any of claims 2-5, 7-10, wherein:
each stator slot is provided with a plurality of slot layers, the slot layers are distributed along the radial direction of the stator core, the leading-out end is led out from the innermost slot layer, and the star point end is led out from the second inner slot layer.
12. The stator assembly of any of claims 2 to 10, wherein:
the stator assembly further comprises a single-phase wiring terminal, the single-phase wiring terminal is located on the radial inner side of the winding portion, and the single-phase wiring terminal is provided with an incoming end which is connected with the leading-out end.
13. The stator assembly of any of claims 2 to 5, wherein:
each stator slot is provided with a plurality of slot layers, the slot layers are distributed along the radial direction of the stator core, the leading-out end is led out from the innermost slot layer, and the star point end is led out from the next inner slot layer;
each phase of winding of the stator winding is formed by connecting two branch windings in series, the leading-out ends of the two branch windings are respectively led out from two adjacent stator slots, and the star point ends of the two branch windings are respectively led out from two adjacent stator slots;
the stator assembly further includes a serial connection member connected between the star point end of one of the shunt windings and the lead-out end of the other of the shunt windings.
14. An electrical machine comprising a stator assembly according to any of claims 1 to 13 and a rotor assembly rotatably disposed within the stator core.
15. A power assembly comprising the motor of claim 14 and a motor control device connected to an axial end portion of the motor, the motor control device being provided with at least three single-phase terminals at a central portion thereof, a plurality of the single-phase terminals being evenly distributed in a circumferential direction, the lead-out terminal being connected to the single-phase terminals.
16. Vehicle, characterized in that it comprises an electric machine according to claim 14.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210139423.6A CN114204725B (en) | 2022-02-16 | 2022-02-16 | Stator module, motor, power assembly and vehicle |
| PCT/CN2022/132235 WO2023155510A1 (en) | 2022-02-16 | 2022-11-16 | Stator assembly, electric motor, powertrain and vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210139423.6A CN114204725B (en) | 2022-02-16 | 2022-02-16 | Stator module, motor, power assembly and vehicle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114204725A true CN114204725A (en) | 2022-03-18 |
| CN114204725B CN114204725B (en) | 2022-05-31 |
Family
ID=80658963
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210139423.6A Active CN114204725B (en) | 2022-02-16 | 2022-02-16 | Stator module, motor, power assembly and vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114204725B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023155510A1 (en) * | 2022-02-16 | 2023-08-24 | 珠海英搏尔电气股份有限公司 | Stator assembly, electric motor, powertrain and vehicle |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20020033646A1 (en) * | 2000-09-01 | 2002-03-21 | Kazunori Tanaka | Vehicle-onboard AC generator |
| US20030218394A1 (en) * | 2002-05-24 | 2003-11-27 | Mitsubishi Denki Kabushiki Kaisha | Stator for a dynamoelectric machine |
| CN102077444A (en) * | 2008-07-01 | 2011-05-25 | 三菱电机株式会社 | Stator for rotary electric machine for vehicle |
| CN102714441A (en) * | 2009-11-16 | 2012-10-03 | 舍弗勒技术股份两合公司 | Stator module, in particular for multi-phase electric machines, and method for producing such a stator module |
| CN103346636A (en) * | 2013-05-20 | 2013-10-09 | 长沙美福沛林电子科技有限公司 | Novel coil winding, combined type winding, and groove-free and skeleton-free permanent magnet motor |
| CN105743288A (en) * | 2014-12-26 | 2016-07-06 | 日本电产株式会社 | Motor and method of manufacturing the same |
| CN111564921A (en) * | 2020-06-10 | 2020-08-21 | 天津市松正电动汽车技术股份有限公司 | Motor stator and motor |
| CN112448498A (en) * | 2020-11-30 | 2021-03-05 | 浙江龙芯电驱动科技有限公司 | 96-slot stator assembly and motor with same |
| CN113422455A (en) * | 2021-07-06 | 2021-09-21 | 浙江龙芯电驱动科技有限公司 | Formula 4 branch road stator module and motor are drawn to dislocation |
| CN214380368U (en) * | 2021-03-30 | 2021-10-08 | 华能酒泉风电有限责任公司 | Rotor lead connecting structure suitable for air-cooled wind driven generator |
| CN113809858A (en) * | 2020-06-12 | 2021-12-17 | 株式会社电装 | Rotating electrical machine |
-
2022
- 2022-02-16 CN CN202210139423.6A patent/CN114204725B/en active Active
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20020033646A1 (en) * | 2000-09-01 | 2002-03-21 | Kazunori Tanaka | Vehicle-onboard AC generator |
| US20030218394A1 (en) * | 2002-05-24 | 2003-11-27 | Mitsubishi Denki Kabushiki Kaisha | Stator for a dynamoelectric machine |
| CN102077444A (en) * | 2008-07-01 | 2011-05-25 | 三菱电机株式会社 | Stator for rotary electric machine for vehicle |
| CN102714441A (en) * | 2009-11-16 | 2012-10-03 | 舍弗勒技术股份两合公司 | Stator module, in particular for multi-phase electric machines, and method for producing such a stator module |
| CN103346636A (en) * | 2013-05-20 | 2013-10-09 | 长沙美福沛林电子科技有限公司 | Novel coil winding, combined type winding, and groove-free and skeleton-free permanent magnet motor |
| CN105743288A (en) * | 2014-12-26 | 2016-07-06 | 日本电产株式会社 | Motor and method of manufacturing the same |
| CN111564921A (en) * | 2020-06-10 | 2020-08-21 | 天津市松正电动汽车技术股份有限公司 | Motor stator and motor |
| CN113809858A (en) * | 2020-06-12 | 2021-12-17 | 株式会社电装 | Rotating electrical machine |
| CN112448498A (en) * | 2020-11-30 | 2021-03-05 | 浙江龙芯电驱动科技有限公司 | 96-slot stator assembly and motor with same |
| CN214380368U (en) * | 2021-03-30 | 2021-10-08 | 华能酒泉风电有限责任公司 | Rotor lead connecting structure suitable for air-cooled wind driven generator |
| CN113422455A (en) * | 2021-07-06 | 2021-09-21 | 浙江龙芯电驱动科技有限公司 | Formula 4 branch road stator module and motor are drawn to dislocation |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023155510A1 (en) * | 2022-02-16 | 2023-08-24 | 珠海英搏尔电气股份有限公司 | Stator assembly, electric motor, powertrain and vehicle |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114204725B (en) | 2022-05-31 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP2388895B2 (en) | Electric motor | |
| CN102237738B (en) | Winding arrangement | |
| JP5949597B2 (en) | Rotating electric machine | |
| WO2020175225A1 (en) | Armature and rotating electrical machine | |
| WO2020175334A1 (en) | Armature | |
| CN114204725B (en) | Stator module, motor, power assembly and vehicle | |
| CN112510877A (en) | Stator module and motor | |
| WO2020175223A1 (en) | Rotating electrical machine | |
| CN112510876A (en) | Stator module and motor | |
| CN113422453A (en) | Six-phase flat wire wave winding structure, six-phase motor, power assembly and vehicle | |
| CN111725930A (en) | Flat wire stator assembly and driving motor | |
| CN115149672A (en) | Motor | |
| CN212258560U (en) | Three-phase stator winding, motor stator assembly and motor | |
| CN218549588U (en) | Stator module, motor and vehicle | |
| WO2020175222A1 (en) | Armature and rotating electrical machine | |
| WO2020175224A1 (en) | Armature and rotating electrical machine | |
| CN113708521B (en) | Wound motor stator and motor | |
| CN115395699A (en) | Three-branch balance winding of six-pole fifty-four-slot flat copper wire motor and use method thereof | |
| CN212381009U (en) | Flat wire stator assembly and driving motor | |
| WO2023155510A1 (en) | Stator assembly, electric motor, powertrain and vehicle | |
| CN114498995A (en) | Flat wire motor stator and flat wire motor | |
| CN114337033A (en) | Three-phase flat wire wave winding structure, three-phase motor, power assembly and vehicle | |
| CN214479926U (en) | Motor structure | |
| CN218161968U (en) | Stator module, motor, power assembly and vehicle | |
| CN113098175B (en) | Flat wire motor stator winding and motor |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |