WO2019228462A1 - 定子组件以及电机 - Google Patents

定子组件以及电机 Download PDF

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Publication number
WO2019228462A1
WO2019228462A1 PCT/CN2019/089317 CN2019089317W WO2019228462A1 WO 2019228462 A1 WO2019228462 A1 WO 2019228462A1 CN 2019089317 W CN2019089317 W CN 2019089317W WO 2019228462 A1 WO2019228462 A1 WO 2019228462A1
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WO
WIPO (PCT)
Prior art keywords
slot
layer
winding
span
stator
Prior art date
Application number
PCT/CN2019/089317
Other languages
English (en)
French (fr)
Inventor
齐文明
游斌
林焕炜
陈晓平
Original Assignee
比亚迪股份有限公司
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Application filed by 比亚迪股份有限公司 filed Critical 比亚迪股份有限公司
Publication of WO2019228462A1 publication Critical patent/WO2019228462A1/zh

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    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02KDYNAMO-ELECTRIC MACHINES
    • H02K1/00Details of the magnetic circuit
    • H02K1/06Details of the magnetic circuit characterised by the shape, form or construction
    • H02K1/12Stationary parts of the magnetic circuit
    • H02K1/16Stator cores with slots for windings
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02KDYNAMO-ELECTRIC MACHINES
    • H02K3/00Details of windings
    • H02K3/04Windings characterised by the conductor shape, form or construction, e.g. with bar conductors
    • H02K3/12Windings characterised by the conductor shape, form or construction, e.g. with bar conductors arranged in slots
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02KDYNAMO-ELECTRIC MACHINES
    • H02K3/00Details of windings
    • H02K3/04Windings characterised by the conductor shape, form or construction, e.g. with bar conductors
    • H02K3/12Windings characterised by the conductor shape, form or construction, e.g. with bar conductors arranged in slots
    • H02K3/16Windings characterised by the conductor shape, form or construction, e.g. with bar conductors arranged in slots for auxiliary purposes, e.g. damping or commutating
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02KDYNAMO-ELECTRIC MACHINES
    • H02K3/00Details of windings
    • H02K3/04Windings characterised by the conductor shape, form or construction, e.g. with bar conductors
    • H02K3/28Layout of windings or of connections between windings
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02KDYNAMO-ELECTRIC MACHINES
    • H02K2213/00Specific aspects, not otherwise provided for and not covered by codes H02K2201/00 - H02K2211/00
    • H02K2213/03Machines characterised by numerical values, ranges, mathematical expressions or similar information

Definitions

  • the present application relates to the technical field of motors, and in particular, to a stator assembly and a motor having the same.
  • the stator assembly of the motor is wave-wound, from the outermost wave to the innermost layer, and then the reverse wave to the outermost layer.
  • the rectangular wire armature that needs to be produced There are many types, and both ends of the axial direction need to be welded, and there are many welding points.
  • the production cost is high, and the manufacturing process is difficult.
  • this wave winding form, in the same slot the voltage difference between different layers is high. When applied under high voltage, the layers are easy to break down, causing a short circuit and causing the motor to fail.
  • stator assembly which can prevent the occurrence of a circulating current phenomenon and prevent the motor from failing.
  • the present application further proposes a motor.
  • the present application further proposes a stator assembly.
  • the stator assembly includes a stator core and a stator winding, the stator core has a plurality of stator slots, and the plurality of stator slots are distributed in a circumferential direction of the stator core; In the circumferential direction, the plurality of stator slots are respectively a first slot, a second slot, ..., an i-th slot, ..., an n-th slot, ..., and each of the stator slots has r slot layers, r Each of the slot layers is a layer a, b layer, ..., j layer, ..., r layer in a direction from the radial inner side to the outer side of the stator core; each phase of the stator wind
  • the first winding portion is configured as a starting section of the one-way winding
  • the fourth winding portion is configured as an end of the one-winding.
  • Segment; in the first winding portion, the i-th slot and the r-th layer are the starting ends of the first winding portion
  • the (i-24) slot r-layer is the first winding
  • the terminating end of the split, the first winding part includes a first span segment to a sixth span segment, and the first stride segment from the i-th slot to the r-th slot to the (i-5) th slot to the r-th layer ; From the (i-5) th slot r to the (i-5) th slot a is the second span, in the second span, the winding is between the (i-5) slot and the first (i-47) Slots are wound back and forth from the radially outer side to the radially inner side of the stator core; from the (i-5) th slot a layer to the (i-11) th
  • the stator core is wound from the radially inner side to the radially outer side; from the (i-35) th slot r-th layer to the (i-42) th slot r-th layer is the tenth span; from (i-42) The r-th slot to the (i-42) -th slot and the a-th slot are the eleventh span, and in the eleventh span, the winding is between the (i-42) th slot and the (i-36th) ) Slots are reciprocated and wound from the radially outer side to the radially inner side of the stator core Line; from the (i-42) slot a layer to the (i-42) slot outer layer is the twelfth jump segment, in which the winding is wound at the (i- 42) The slot is reciprocated between the slot and the i-th slot and is wound from the radial inner side to the radial outer side of the stator core; wherein the i-th slot is the initial slot, and the outermost layer of the initial slot is connected
  • the outer layer is the twenty-fourth A span segment, in the twenty-fourth span segment, the winding reciprocates between the (n-41) th slot and the (n-47) th slot Winding from the radially inner side to the radially outer side of the stator core, wherein there are 5 stator slots between the termination slot and the initial slot, and the second outer layer of the termination slot is connected to the first star point
  • the outermost layer of the (n-47) th slot and the sub-outer layer of the (i-42) th slot are connected by a bridge line.
  • both the first lead-out line and the first star point line can be arranged at the welding end, the height of the welding end can be fully utilized, and the phenomenon of circulating current can be prevented, which can prevent Motor failure.
  • n i.
  • the stator winding includes a plurality of conductor segments, and each of the conductor segments includes a bent portion and a first in-slot portion and a second in-slot portion respectively connected to the bent portion, On the welding end, the inner portion of the first slot and the second slot portion of the plurality of conductor segments located adjacent to each other are welded together.
  • the conductor segment includes a first type conductor segment, a second type conductor segment, and a third type conductor segment, and the first in-slot portion of the first type conductor segment and the first type conductor segment
  • the pitch between the inner portions of the two slots is (y-1) stator slots, and the pitch between the inner portion of the first slot and the inner portion of the second type of conductor segments is y.
  • the first type of conductor segment is located at a first, seventh, sixteenth, and twenty-second segment, and the first type of conductor segment
  • the inner part of the first slot is located at the outermost layer of one stator slot
  • the inner part of the second slot of the first type of conductor segment is located at the outermost layer of the other stator slot.
  • the second type of conductor segment is located in the second, third, fifth, sixth, eighth, and ninth jump segments.
  • Section, eleventh step, twelfth step, fourteenth step, fifteenth step, seventeenth step, eighteenth step, twentieth step The twenty-first span, the twenty-third span, and the twenty-fourth span; the second type of conductor segment includes conductor segments of the same layer and conductor segments of different layers.
  • the first slot inner portion of the conductor segment is located at the outermost layer of one stator slot, the second slot inner portion is located at the outermost layer of the other stator slot, or the first slot of the conductor segment of the same layer.
  • the inner part is located in the first slot, the inner part is located in the innermost layer of one stator slot, and the second slot is in the innermost layer of the other stator slot; the first slot inner part of the conductor segment of the different layer is located in the first slot. It is located in the middle slot layer of one stator slot, and the inner part of the second slot is located in the middle slot layer of the other stator slot, and the different layers span.
  • the third type of conductor segment is located at the fourth, tenth, thirteenth, and nineteenth segments.
  • the inner portion of the first slot is located at the outermost layer of one stator slot, and the inner portion of the second slot of the third type of conductor segment is located at the outermost layer of the other stator slot.
  • a motor according to the present application includes the above-mentioned stator assembly.
  • the stator assembly includes a stator core and a stator winding, the stator core has 48 stator slots, and a plurality of the stator slots are distributed along a circumferential direction of the stator core; In the circumferential direction, a plurality of the stator slots are respectively a first slot, a second slot, ..., and a 48th slot.
  • Each of the stator slots has 6 slot layers, and the 6 slot layers are from the The directions from the radially inner side to the outer side of the stator core are the a-th layer, the b-th layer, ..., and the f-th layer respectively; each phase of the stator winding includes a first winding portion to a fourth winding connected in sequence from end to end.
  • a winding part, the first winding part is configured as a start section of the one winding, and a fourth winding part is configured as a termination section of the one winding; in the first winding part, a first slot
  • the f-th layer is the starting end of the first winding portion
  • the (25-slot f-th layer is the ending end of the first winding portion
  • the first winding portion Including the first span to the sixth span, from the 1st slot to the fth slot to the 44th slot to the fth layer is the first jump segment; from the 44th slot to the 44th layer to the 44th slot and the a layer Is the second span segment, and in the second span segment, the winding reciprocates between the 44th slot and the 2nd slot and is wound from the radially outer side to the radially inner side of the stator core; from the 44th slot
  • the third layer from the a-th layer to the 38th slot is the third span segment, and the winding reciprocates between the 44th slot and the
  • Termination end there is a connecting line between the 7th slot outer layer and the 2nd slot fth layer to connect the termination end of the second winding portion and the start end of the third winding portion;
  • the third winding portion includes The thirteenth span from the thirteenth to the eighteenth span, from the second slot, the f-th layer to the 43rd slot, the f-th layer is the thirteenth jump; from the 43rd slot, the f-th layer to the 43rd slot, the a-th layer
  • the winding reciprocates between the 43th slot and the 1st slot and is wound from the radially outer side to the radially inner side of the stator core.
  • FIG. 1 is a top view of a stator winding according to an embodiment of the present application.
  • FIG. 2 is a winding schematic diagram of a winding of a stator winding according to an embodiment of the present application
  • FIG. 3 is an enlarged view of a first winding portion according to an embodiment of the present application.
  • FIG. 4 is an enlarged view of a second winding part according to an embodiment of the present application.
  • FIG. 5 is an enlarged view of a third winding part according to an embodiment of the present application.
  • FIG. 6 is an enlarged view of a fourth winding part according to an embodiment of the present application.
  • FIG. 7 is a schematic diagram of a stator assembly according to an embodiment of the present application.
  • FIG. 8 is an enlarged view at A in FIG. 5; FIG.
  • FIG. 9 is a schematic diagram of a first type of conductor segment in a second type of conductor segment according to an embodiment of the present application.
  • FIG. 10 is a schematic diagram of a second type of conductor segment in the second type of conductor segment according to an embodiment of the present application
  • FIG. 11 is a schematic diagram of a third type of conductor segment in the second type of conductor segment according to an embodiment of the present application.
  • FIG. 12 is a schematic diagram of a first type of conductor segment according to an embodiment of the present application.
  • FIG. 13 is a schematic diagram of a third type of conductor segment according to an embodiment of the present application.
  • FIG. 14 is a wiring diagram of a winding according to an embodiment of the present application.
  • FIG. 15 is a three-phase two-circuit wiring diagram according to an embodiment of the present application.
  • connection should be understood in a broad sense, unless explicitly stated and limited otherwise.
  • they may be fixed connections or removable.
  • Connection, or integral connection it can be mechanical or electrical connection; it can be directly connected, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two elements.
  • connection or integral connection; it can be mechanical or electrical connection; it can be directly connected, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two elements.
  • stator assembly 10 according to an embodiment of the present application is described below with reference to FIGS. 1 to 15.
  • the number of parallel branches is a, a ⁇ q, where z is the number of stator slots 11, m is the number of phases, and 2p is the number of poles.
  • the stator assembly 10 here is suitable for z-slot 2p-pole m-phase motors,
  • the number of slots z here can be 24, 48, 72, etc.
  • the number of phases m can be three, two, or single phase.
  • the number of pole pairs p can be 8 poles, 4 poles, etc. Set the specific applicable motor.
  • the stator assembly 10 may include a stator core 1 and a stator winding 2.
  • the stator core 1 has multiple stator slots 11, and the multiple stator slots 11 are distributed along a circumferential direction of the stator core 1.
  • the clockwise direction is taken as an example.
  • the plurality of stator slots 11 are respectively the first slot, the second slot, ..., the i-th slot, ..., the n-th slot, ..., each
  • Each of the stator slots 11 has r slot layers 12, and the r slot layers 12 are the a-th layer, the b-th layer, ..., the j-th layer, ..., from the radially inner side to the outer side of the stator core 1, respectively.
  • the r-th layer is the outermost slot layer 12
  • the up-down direction in FIG. 2 is the radial direction of the designated sub-core 1
  • the bottom in FIG. 2 is the radial direction of the stator core 1.
  • the upper side in FIG. 2 is the radially outer side of the stator core 1.
  • the i-th slot can be used as the starting point.
  • the number of "*” slots is counted in the counterclockwise direction shown in Fig. 1, and when "+” between i and *, the number of "*" slots is counted in the clockwise direction shown in FIG. .
  • Each phase winding 21 of the stator winding 2 may include a first winding portion 211 to a fourth winding portion 222 connected in sequence from end to end. It should be explained that the winding 21 may include a first winding portion 211, a second winding portion 212, a first winding portion The three winding portion 221 and the fourth winding portion 222.
  • the first winding portion 211 is configured as a start section of the winding 21, and the fourth winding portion 222 is configured as a termination section of a winding 21.
  • the i-th slot and the r-th layer are the starting ends of the first winding portion 211, and the (i-24) slot r-layer is the end of the first winding portion 211.
  • the first winding portion 211 may Including the first jump segment 2111 to the sixth jump segment 2116, it should be noted that the first winding portion 211 may include a first jump segment 2111, a second jump segment 2112, a third jump segment 2113, and a fourth The stride 2114, the fifth stride 2115, and the sixth stride 2116.
  • the r-th layer is the first jump segment 2111, and from the (i-5) slot, the r-th layer to the (i-5) -th slot, the a-th layer is the first Two-span jump section 2112.
  • the winding reciprocates between the (i-5) th slot and the (i-47) th slot and goes from the radial outer side to the radial inner side of the stator core 1.
  • Winding, from the (i-5) th slot a layer to the (i-11) th slot r layer is the third jump segment 2113, in the third jump segment 2113, the winding is at the (i-5 )
  • the (i-11) th slot are reciprocated and wound from the radial inner side to the radial outer side of the stator core 1, from the (i-11) th r-th layer to the (i-18) th r-th layer Is the fourth jump segment 2114, the (i-18) slot r-th layer and the (i-18) slot a-th layer are the fifth jump segment 2115.
  • the winding is at the ( (i-18) slot and (i-12) slot back and forth and wound from the radial outer side to the radial inner side of stator core 1, from the (i-18) th slot to the a layer and the (i-24)
  • the r-th slot is the sixth span segment 2116.
  • the winding reciprocates between the (i-18) th slot and the (i-24) th slot and runs from the stator core 1. Winding from radially inside to radially outside.
  • the (i-24) th slot of the r-th layer is the starting end of the second winding portion 212
  • the (i-42) slot of the second outer layer is the ending end of the second winding portion 212.
  • the second winding part 212 may include a seventh span segment 2121 to a twelfth span segment 2126. It should be noted that the second winding part 212 may include a seventh span segment 2121, an eighth span segment 2122, and a ninth span. Jump 2123, tenth span 2124, eleventh span 2125, and twelfth span 2126.
  • the rth layer is the seventh span 2121, from the (i-29) th slot to the (i-29) th slot Layer a is the eighth span segment 2122.
  • the winding reciprocates between the (i-29) th slot and the (i-23) th slot and is radially outward from the stator core 1.
  • Winding to the radial inside, from the (i-29) th slot a layer to the (i-35) th slot r layer is the ninth jump section 2123, in the ninth jump section 2123, the winding is at the first
  • the (i-29) slot is reciprocated between the (i-35) th slot and the radial direction from the radially inner side to the radial outer side of the stator core 1, from the (i-35) th slot to the (i-35th) slot 42)
  • the r-th layer of the slot is the tenth span 2124, and the r-th layer from the (i-42) slot to the (i-42) -th slot a is the eleventh span 2125.
  • the winding reciprocates between the (i-42) th slot and the (i-36) th slot and is wound from the radially outer side to the radially inner side of the stator core 1, from the (i-42)
  • the twelfth jump segment 2126 is from the a-th slot to the (i-42) th slot, and the winding is between the (i-42) th slot and the i-th slot in the twelfth jump segment 2126.
  • the wire is wound back and forth from the radially inner side to the radially outer side of the stator core 1.
  • the i-th slot is the initial slot, and the outermost layer of the initial slot is connected to the first lead-out wire 3, and thus the first winding of the winding 21 is completed, and the winding 21 starts from the third winding portion 221, and the winding 21 starts to wind the first winding. Two laps.
  • Termination slot there are 5 stator slots 11 between the termination slot and the initial slot, the second outer layer of the termination slot is connected to the first star point line 4, and the outermost layer of the (n-47) th slot and the (i-42) The outer layer of the slot is connected by a bridge line.
  • the first slot can be the initial slot
  • the f layer of the initial slot is connected to the first lead 3
  • the 44th slot can be the termination slot.
  • the e-layer is connected to the first star point line 4.
  • each phase of the stator winding 2 has a first lead-out wire 3
  • 7e has a first star point line 4
  • each phase of the stator winding 2 is wound one way.
  • the starting point of the winding of the wire 21 is 1f
  • the winding method of the winding 21 of each phase of the stator winding 2 is:
  • This winding method can make the first lead-out wire 3 and the first star point line 4 arranged at the welding end. 232, can make full use of the height of the welding end 232.
  • the number of the two windings of the stator is easy to adjust. When the number of the windings is adjusted, it is not easy to generate unbalanced current, which can prevent the occurrence of circulating currents and prevent the motor from failing.
  • the nth slot can be used as the starting point.
  • the number of "n- ⁇ + *” slots needs to be counted, where n and *
  • the time is "-"
  • the number of "*” slots is counted in the counterclockwise direction shown in Fig. 1
  • the number of "*" slots is counted in the clockwise direction shown in Fig. 1. .
  • the (n-47) th slot and the r-th layer are the starting end of the third winding portion 221, and the (n-23) slot and the r-th layer are the end of the third winding portion 221.
  • a slot 5 is provided between the slot-second outer layer and the (n-47) -th slot r-layer to connect the end of the second winding portion 212 and the start of the third winding portion 221.
  • the third winding portion 221 may include a thirteenth jump segment 2211 to an eighteenth jump segment 2216. It should be explained that the third winding portion 221 may include a thirteenth jump segment 2211 and a fourteenth jump segment 2212. , The fifteenth crossover segment 2213, the sixteenth crossover segment 2214, the seventeenth crossover segment 2215, and the eighteenth crossover segment 2216.
  • the rth layer is the thirteenth span 2211; from the (n-6) th slot to the (n-6) th slot
  • the first layer is the fourteenth jump segment 2212.
  • the winding reciprocates between the (n-6) th slot and the nth slot and runs from the radial outer side of the stator core 1 to
  • the radially inner winding, from the (n-6) th slot a to the (n-12) th slot r is the fifteenth span 2213, and in the fifteenth span 2213, the winding is at
  • the (n-6) th slot and the (n-12) th slot are reciprocated and wound from the radial inner side to the radial outer side of the stator core 1, from the (n-12) th slot to the (n-12th) slot -17)
  • the r-th layer of the slot is the sixteenth span 2222, and the r-th layer from the (n-17) slot to the (n
  • the winding reciprocates between the (n-17) th slot and the (n-11) th slot and is wound from the radially outer side to the radially inner side of the stator core 1, from the (n- 17)
  • the eighth stride of the slot a to the (n-23) th trough of the slot is the eighteenth step 2216.
  • the winding is between the (n-17) th slot and the (n -23)
  • the slots are reciprocated and wound from the radially inner side to the radially outer side of the stator core 1.
  • the (n-23) th slot of the r-th layer is the starting end of the fourth winding portion 222
  • the (n-41) th slot of the outer layer is the end of the fourth winding portion 222.
  • the winding part 222 may include a nineteenth crossover section 2221 to a twenty-fourth crossover section 2226. It should be noted that the third winding part 221 may include a nineteenth crossover section 2221, and a twentieth crossover section 2222.
  • the rth layer is the nineteenth span 2221, from the (n-30) th slot to the (n-30) th slot
  • the first layer is the twentieth span segment 2222.
  • the winding reciprocates between the (n-30) th slot and the (n-24) th slot and runs from the stator core 1.
  • the winding from the radially outer side to the radially inner side, from the (n-30) th slot a layer to the (n-36) th slot r layer is the twenty-first span segment 2223, and in the twenty-first span segment In 2223, the winding reciprocates between the (n-30) th slot and the (n-36) th slot and is wound from the radially inner side to the radially outer side of the stator core 1, from the (n-36) th slot to the From the r-th layer to the (n-41) th slot, the r-th layer is the twenty-second span 2222, and from the (n-41) th slot to the (n-41) th slot, the a-th layer is the twenty-third.
  • the span 2225 in the twenty-third span 2225, the winding reciprocates between the (n-41) th slot and the (n-35) th slot and runs from the radial outer side of the stator core 1 to the radial direction
  • the inner winding, from (n-41) th slot a to the (n-41) th slot outer layer is the twenty-fourth span 2226, and in the twenty-fourth span 2226, the winding is at
  • the (n-41) th slot and the (n-47) th slot are reciprocated and wound from the radially inner side to the radially outer side of the stator core 1 .
  • the stator slots are set at different pitches from the other spans by setting the first span 2111, the fourth span 2114, the tenth span 2124, and the seventh span 2121.
  • the potential vector balance of 11 suppresses the potential phase angle difference of the slot moment angle, and finally realizes the potential balance between the sub-circuits, which can suppress the circulating current in the stator winding 2 and has a low temperature rise effect. Besides suppressing the circulating current, it can also suppress the circulating current.
  • the generated harmonic electromagnetic excitation can greatly suppress the vibration and noise during motor operation.
  • both the first lead-out wire 3 and the first star point line 4 can be arranged at the welding end 232, the height of the welding end 232 can be fully utilized, and the phenomenon of circulating current can also be prevented To prevent motor failure.
  • the stator winding 2 may include a plurality of conductor segments, and each conductor segment may include a bent portion 231 and a first in-slot portion 233 connected to the bent portion 231, respectively. And the second slot inner portion 234, the first slot inner portion 233 and the second slot inner portion 234 of a plurality of conductor segments located on adjacent layers on the welding end 232 are connected by welding.
  • the first in-slot portion 233 passes through one of the slot layers 12 in one of the stator slots 11, the second in-slot portion 234 passes through one of the slot layers 12 in the other stator slot 11, the first in-slot portion 233 and the first After the two-slot inner portion 234 passes through the stator slot 11, its end exceeds the stator core 1.
  • the end portion of the first slot inner portion 233 that is far from the bending portion 231 is located outside the stator slot 11, and this portion of the structure can be constructed with a welding end 232. Accordingly, the second slot inner portion 234 that is far from the bending portion 231 is The end is located outside the stator slot 11, and this part of the structure can construct another welding end 232.
  • any cross section of the conductor segment perpendicular to the extending direction of the conductor segment is non-circular.
  • the cross section is rectangular.
  • any cross section of the U-shaped conductor section is rectangular, and the short side of the rectangle is perpendicular to the bottom wall of the stator slot 11.
  • the cross-sectional areas of the U-shaped conductor segment are equal.
  • one end of the bent portion in the conductor segment may be a card issuing end of the stator winding 2
  • one end of the first slot inner portion 233 and the second slot inner portion 234 is called a stator winding.
  • 2 is a welding end 232
  • the welding end 232 is formed by sequentially welding a plurality of U-shaped conductor segments in the first groove inner portion 233 and a second inner groove portion 234 of the adjacent conductor segment.
  • the conductor segment may include a first type conductor segment 23, a second type conductor segment 24, and a third type conductor segment 25, and the first slot of the first type conductor segment 23
  • the pitch between the inner portion 233 and the second slot inner portion 234 is (y-1) the stator slot 11, the node between the first slot inner portion 233 and the second slot inner portion 234 of the second type conductor segment 24
  • the first type of conductor segment 23 is located at the first jump segment 2111, the seventh jump segment 2121, the sixteenth jump segment 2214, and the twenty-second jump segment 2224, the first type conductor segment 23
  • the first slot inner portion 233 is located at the outermost layer of one stator slot 11
  • the second slot inner portion 234 of the first type conductor segment 23 is located at the outermost layer of the other stator slot 11.
  • the types of the first type of conductor segments 23 are relatively small.
  • the forming process of the first type of conductor segments 23 is simple, the required production equipment is small, and mass production can be performed.
  • the conductor-like segment 23 can reduce the number of solder joints at the welding end 232 and can reduce manufacturing costs.
  • the second type of conductor segment 24 is located at the second span segment 2112, the third span segment 2113, the fifth span segment 2115, the sixth span segment 2116, the eighth span segment 2122, the ninth Stride segment 2123, eleventh segment 2125, twelfth segment 2126, fourteenth segment 2212, fifteenth segment 2213, seventeenth segment 2215, eighteenth segment Segment 2216, twentieth span 2222, twenty-first span 2222, twenty-third span 2225, and twenty-fourth span 2226.
  • the second type of conductor segment 24 may include conductor segments of the same layer and conductor segments of different layers.
  • the first slot inner portion 233 of the conductor segment of the same layer is located at the outermost layer of a stator slot 11.
  • the two-slot inner portion 234 is located at the outermost layer of another stator slot 11, or the first slot inner portion 233 of the same layer conductor segment is located at the first slot inner portion 233 is located at the innermost layer of one stator slot 11, and the second slot
  • the portion 234 is located at the innermost layer of another stator slot 11, the first slot portion 233 of the conductor segment of a different layer is located at the first slot portion 233 at the middle slot layer 12 of one stator slot 11, and the second slot portion 234 is located at another The middle slot layer 12 of one stator slot 11 has different layers.
  • the third type of conductor segment 25 is located at the fourth jump segment 2114, the tenth jump segment 2124, the thirteenth jump segment 2211, the nineteenth jump segment 2221, and the third type of conductor segment 25.
  • the first slot inner portion 233 is located at the outermost layer of one stator slot 11
  • the second slot inner portion 234 of the third type conductor segment 25 is located at the outermost layer of the other stator slot 11.
  • the motor according to the embodiment of the present application includes the stator assembly 10 of the above embodiment.
  • the stator assembly 10 is installed on the motor.
  • the stator assembly 10 enables the first lead-out line 3 and the first star point line 4 to be arranged at the welding ends. 232, can make full use of the height of the welding end 232, can also prevent the occurrence of circulating current phenomenon, can prevent the failure of the motor, and can ensure the reliability of the motor.
  • the stator assembly 10 is suitable for a z-slot 2p-pole and m-phase motor.
  • a ⁇ q the stator assembly 10 includes a stator core 1 and a stator winding 2.
  • the stator core 1 has 48 stator slots 11.
  • a plurality of stator slots 11 are distributed along the circumferential direction of the stator core 1. In the circumferential direction, the plurality of stator slots 11 are respectively the first slot, the second slot, ..., and the 48th slot.
  • Each of the stator slots 11 has six slot layers 12, and the six slot layers 12 extend from the stator core.
  • the directions from the radially inner side to the outer side of 1 are the a-th layer, the b-th layer, ..., and the f-th layer, respectively.
  • each phase of the winding 21 of the stator winding 2 includes a first winding portion 211 to a fourth winding portion 222 connected in sequence from end to end.
  • the first winding portion 211 is configured as a starting section of the winding 21 and a fourth winding portion. 222 forms the termination section of the winding 21.
  • the first slot f layer is the starting end of the first winding portion 211
  • the (25 slot f layer is the ending end of the first winding portion 211
  • the first winding portion 211 includes a first span
  • the jump 2111 to the sixth span 2116, the first span 2111 from the first slot, the f-th layer to the 44th slot, the f-th layer; from the 44th slot, the f-th layer to the 44th slot, the a-th layer is the second
  • the span 2112, in the second span 2112, the winding reciprocates between the 44th slot and the 2nd slot and is wound from the radially outer side to the radially inner side of the stator core 1; from the 44th slot to the a Layer to the 38th slot and the fth layer is the third span section 2113.
  • the winding reciprocates between the 44th slot and the 38th slot and from the radial inner side to the diameter of the stator core 1.
  • the six-span segment 2116, in the sixth-span segment 2116, is wound between slot 31 and slot 25. Reciprocally and radially inside the stator core 1 from the winding to the radial outer side.
  • the 25th slot and the f-th layer are the starting end of the second winding portion 212
  • the 7th slot of the second outer layer is the ending end of the second winding portion 212
  • the second winding portion 212 includes a seventh span Segment 2121 to the twelfth span 2126, from the 25th slot, the f-th layer to the 20th slot, the f-th layer is the seventh span 2121; from the 20th slot, the f-th layer to the 20th slot, the a-th layer is the first
  • the eight-span segment 2122, in the eighth-span segment 2122, the winding reciprocates between the 20th slot and the 26th slot and is wound from the radially outer side to the radially inner side of the stator core 1;
  • the layer a to the 14th slot and the fth layer are the ninth span segment 2123.
  • the winding reciprocates between the 20th slot and the 14th slot and runs from the radially inner side of the stator core 1 to The radial outer winding; the tenth span 2124 from slot 14th to the seventh slot f is the tenth span 2124; from the seventh slot f to the seventh slot a is the eleventh span 2125
  • the winding reciprocates between the seventh slot and the thirteenth slot and is wound from the radial outer side to the radial inner side of the stator core 1; from the seventh slot a layer to the first
  • the outer layer of slot 7 is the twelfth span 2126, and within the twelfth span 2126, 7 between the first grooves and the second groove while reciprocating inside the stator core 1 radially from a radially outer winding.
  • the first slot is the initial slot, and the outermost layer of the initial slot is connected to the first lead-out wire 3; thus, the first winding of the winding 21 is completed, and the winding 21 starts from the third winding portion 221, and the winding 21 starts to wind the first winding. Two laps.
  • the second slot and the f-th layer are the starting ends of the third winding portion 221
  • the 26th slot and the f-th layer are the ending ends of the third winding portion 221
  • the seventh slot is the outer layer and the second slot
  • the third winding part 221 includes a thirteenth span segment 2211 to an eighteenth span segment 2216, and the thirteenth span segment 2211 is from the second slot, the f-th layer to the 43rd slot, and the f-th layer is the thirteenth jump segment 2211; Layer f to slot 43 and layer a are fourteenth span segment 2212. In the fourteenth span segment 2212, the winding reciprocates between the 43th slot and the 1st slot and runs from the radial direction of the stator core 1.
  • the fth layer is the sixteenth jump segment 2214; from the 32nd slot to the f Layer to the 32nd slot, the a layer is the 17th span section 2215, and in the 17th span section 2215, the winding reciprocates between the 32nd slot and the 38th slot and from the radial outer side of the stator core 1 Winding to the radially inner side; from slot 32, layer a to slot 26, layer f is the eighteenth step 2216, and in the eighteenth step 2216, the winding is in the thirty-second slot and the twenty-sixth slot It is reciprocated and wound from the radially inner side to the radially outer side of the stator core 1.
  • the 26th slot and the f-th layer are the starting end of the fourth winding portion 222
  • the 8th slot-second outer layer is the terminating end of the fourth winding portion 222
  • the fourth winding portion 222 includes a nineteenth span
  • the jump 2221 to the 24th span 2226, from the 26th slot, the f-th layer to the 19th slot, the f-th layer is the 19th span 2221; from the 19th slot, the f-th layer to the 19th slot, the a-th layer
  • the winding reciprocates between the 19th slot and the 25th slot and is wound from the radially outer side to the radially inner side of the stator core 1;
  • the 19th slot from the ath layer to the 13th slot and the fth layer are the 21st span segment 2223.
  • the winding reciprocates between the 19th slot and the 13th slot and runs from the stator.
  • the winding reciprocates between the eighth slot and the fourteenth slot and runs from the radial outer side to the radial inner side of the stator core 1.
  • Winding; from the eighth slot a layer to the eighth slot outer layer is the twenty-fourth span 22 26.
  • the winding reciprocates between the eighth slot and the second slot and is wound from the radially inner side to the radially outer side of the stator core 1.
  • the termination slot there are 5 stator slots 11 between the termination slot and the initial slot, the second outer layer of the termination slot is connected to the first star point line 4, and the second outer layer of the seventh slot and the outermost layer of the second slot pass Bridge line connection.
  • connection is achieved from layers a to a through the first conductor segment 241 of the second type of conductor segments 24 shown in FIG. 10, and from b to c through the second type conductor segment shown in FIG. 11.
  • the second type of conductor segment 242 in 24 is implemented, and the layers from d to e are connected through the third type of conductor segment 243 in the second type of conductor segment 24 shown in FIG.
  • a span of 5 is connected through the second type of conductor segment 24 shown in FIG. 13, and a span of 7 is connected through the third type of conductor segment 25 shown in FIG. 14, from layers a to b, c to d, and e Connect to the f-layer by welding the non-closed end of the card.
  • A1, B1, and C1 are the lead wires of winding 21, X1, Y1, and Z1 are the star-dotted wires of winding 21, and A2, B2, and C2 are the leading wires of the second winding.
  • X2, Y2, and Z2 are the star-dot lines of the second winding
  • a to f can respectively represent the first to sixth layers in the same slot (the first layer is located near the slot and the sixth layer is located at the bottom of the slot) .

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Windings For Motors And Generators (AREA)

Abstract

一种定子组件(10)以及电机,定子组件(10)包括定子铁芯(1)和定子绕组(2),定子铁芯(1)具有多个定子槽(11),多个定子槽(11)沿定子铁芯(1)的周向方向分布,定子绕组(2)的每相一路绕线(21)包括首尾依次连接的第一绕组部分(211)至第四绕组部分(222),第一绕组部分(211)包括第一跨跃段(2111)至第六跨跃段(2116),第二绕组部分(212)包括第七跨跃段(2121)到第十二跨跃段(2126)。

Description

定子组件以及电机
相关申请的交叉引用
本申请要求比亚迪股份有限公司于2018年05月31日提交的、名称为“定子组件以及电机”的、中国专利申请号“201810551321.9”的优先权。
技术领域
本申请涉及电机技术领域,尤其是涉及一种定子组件以及具有该定子组件的电机。
背景技术
相关技术中,电机的定子组件为波绕方式,从最外层波绕至最内层,再反向波绕至最外层,从制作工艺及批量生产商分析,需要制作的扁线电枢种类多,且轴向两端均需要焊接,焊点多,此外,其扁线下线后,难以准确固定,生产成本高,制作工艺难度大。从电气连接上分析,该波绕形式,同一槽内,不同层数间的电压差高,运用在高压下,层间容易击穿,导致短路,使电机失效。
发明内容
本申请旨在至少在一定程度上解决相关技术中的技术问题之一。为此,本申请提出一种定子组件,该定子组件能够防止产生环流现象,可以防止电机失效。
本申请进一步地提出了一种电机。
本申请进一步地提出了一种定子组件。
根据本申请的定子组件,所述定子组件适用于z槽2p极m相的电机中,其每极每相槽数为q=z/m/(2p),并联支路数为a,a≤q,所述定子组件包括定子铁芯和定子绕组,所述定子铁芯具有多个定子槽,多个所述定子槽沿所述定子铁芯的周向方向分布,在所述定子铁芯的周向方向上,多个所述定子槽分别为第1槽、第2槽、…、第i槽、…、第n槽、…,每个所述定子槽中均具有r个槽层,r个所述槽层从所述定子铁芯的径向内侧到外侧的方向上分别为第a层、第b层、…、第j层、…、第r层;所述定子绕组的每相一路绕线包括首尾依次连接的第一绕组部分至第四绕组部分,所述第一绕组部分构造为所述一路绕线的起始段,所述第四绕组部分构造出所述一路绕线的终止段;在所述第一绕组部分内,第i槽第r层为所述第一绕组部分的起始端,第(i-24)槽第r层为所述第一绕组部分的终止端,所述第一绕组部分包括第一跨跃段至第六跨跃段,从第i槽第r层到第(i-5)槽第r层为所述第一跨跃段;从第(i-5)槽第r层到第(i-5)槽第a层为第二跨跃段,在第二跨跃段内,绕线在第(i-5)槽和第(i-47)槽之间往复且从所述定子铁芯的径向外侧到径 向内侧绕线;从第(i-5)槽第a层到第(i-11)槽第r层为第三跨跃段,在所述第三跨跃段内,绕线在第(i-5)槽和第(i-11)槽之间往复且从所述定子铁芯的径向内侧到径向外侧绕线;从第(i-11)第r层到第(i-18)第r层为第四跨跃段;第(i-18)槽第r层和第(i-18)槽第a层为第五跨跃段,在第五跨跃段,绕线在第(i-18)槽和第(i-12)槽之间往复且从所述定子铁芯的径向外侧到径向内侧绕线;从第(i-18)槽第a层和第(i-24)槽第r层为第六跨跃段,在所述第六跨跃段内,绕线在第(i-18)槽和第(i-24)槽之间往复且从所述定子铁芯的径向内侧到径向外侧绕线;在所述第二绕组部分内,第(i-24)槽第r层为所述第二绕组部分的起始端,第(i-42)槽第次外层为所述第二绕组部分的终止端,所述第二绕组部分包括第七跨跃段到第十二跨跃段,从第(i-24)槽第r层到第(i-29)槽第r层为第七跨跃段;从第(i-29)槽第r层到第(i-29)槽第a层为所述第八跨跃段,在所述第八跨跃段内,绕线在第(i-29)槽和第(i-23)槽之间往复且从所述定子铁芯的径向外侧到径向内侧绕线;从第(i-29)槽第a层到第(i-35)槽第r层为所述第九跨跃段,在所述第九跨跃段内,绕线在第(i-29)槽和第(i-35)槽之间往复且从所述定子铁芯的径向内侧到径向外侧绕线;从第(i-35)槽第r层到第(i-42)槽第r层为第十跨跃段;从第(i-42)槽第r层到第(i-42)槽第a层为第十一跨跃段,在所述第十一跨跃段内,绕线在第(i-42)槽和第(i-36)槽之间往复且从所述定子铁芯的径向外侧到径向内侧绕线;从第(i-42)槽第a层到第(i-42)槽次外层为第十二跨跃段,在所述第十二跨跃段内,绕线在第(i-42)槽和第i槽之间往复且从所述定子铁芯的径向内侧到径向外侧绕线;其中,第i槽为初始槽,所述初始槽的最外层连接第一引出线;至此所述一路绕线的第一圈绕线结束,从所述第三绕组部分开始,所述一路绕线开始绕第二圈;在所述第三绕组部分内,第(n-47)槽第r层为所述第三绕组部分的起始端,第(n-23)槽第r层为所述第三绕组部分的终止端,第(i-42)槽次外层与第(n-47)槽第r层之间具有连接线以连接所述第二绕组部分的终止端与所述第三绕组部分的起始端;所述第三绕组部分包括第十三跨跃段至第十八跨跃段,从第(n-47)槽第r层到第(n-6)槽第r层为第十三跨跃段;从第(n-6)槽第r层到第(n-6)槽第a层为所述第十四跨跃段,在所述第十四跨跃段内,绕线在第(n-6)槽和第n槽之间往复且从所述定子铁芯的径向外侧到径向内侧绕线;从第(n-6)槽第a层到第(n-12)槽第r层为所述第十五跨跃段,在所述第十五跨跃段内,绕线在第(n-6)槽和第(n-12)槽之间往复且从所述定子铁芯的径向内侧到径向外侧绕线;从第(n-12)槽第r层到第(n-17)槽第r层为第十六跨跃段;从第(n-17)槽第r层到第(n-17)槽第a层为所述第十七跨跃段,在所述第十七跨跃段内,绕线在第(n-17)槽和第(n-11)槽之间往复且从所述定子铁芯的径向外侧到径向内侧绕线;从第(n-17)槽第a层到第(n-23)槽第r层为所述第十八跨跃段,在所述第十八跨跃段内,绕线在第(n-17) 槽和第(n-23)槽之间往复且从所述定子铁芯的径向内侧到径向外侧绕线;在所述第四绕组部分内,第(n-23)槽第r层为所述第四绕组部分的起始端,第(n-41)槽次外层为所述第四绕组部分的终止端,所述第四绕组部分包括第十九跨跃段至第二十四跨跃段,从第(n-23)槽第r层到第(n-30)槽第r层为第十九跨跃段;从第(n-30)槽第r层到第(n-30)槽第a层为所述第二十跨跃段,在所述第二十跨跃段内,绕线在第(n-30)槽和第(n-24)槽之间往复且从所述定子铁芯的径向外侧到径向内侧绕线;从第(n-30)槽第a层到第(n-36)槽第r层为所述第二十一跨跃段,在所述第二十一跨跃段内,绕线在第(n-30)槽和第(n-36)槽之间往复且从所述定子铁芯的径向内侧到径向外侧绕线;从第(n-36)槽第r层到第(n-41)槽第r层为第二十二跨跃段;从第(n-41)槽第r层到第(n-41)槽第a层为所述第二十三跨跃段,在所述第二十三跨跃段内,绕线在第(n-41)槽和第(n-35)槽之间往复且从所述定子铁芯的径向外侧到径向内侧绕线;从第(n-41)槽第a层到第(n-41)槽次外层为所述第二十四跨跃段,在所述第二十四跨跃段内,绕线在第(n-41)槽和第(n-47)槽之间往复且从所述定子铁芯的径向内侧到径向外侧绕线,其中,终止槽,所述终止槽与初始槽之间存在5个定子槽,所述终止槽的次外层连接第一星点线,并且,第(n-47)槽最外层与第(i-42)槽次外层通过桥接线连接。
根据本申请的定子组件,通过定子铁芯和定子绕组配合,能够使第一引出线与第一星点线均布置在焊接端,可以充分利用焊接端的高度,也能够防止产生环流现象,可以防止电机失效。
根据本申请的一些实施例,n=i。
根据本申请的一些实施例,所述定子绕组包括多个导体段,每个所述导体段包括弯折部和分别连接至所述弯折部的第一槽内部分和第二槽内部分,在焊接端上所述多个导体段的位于相邻层的所述第一槽内部分和所述第二槽内部分焊接连接。
根据本申请的一些实施例,所述导体段包括第一类导体段、第二类导体段和第三类导体段,所述第一类导体段的所述第一槽内部分和所述第二槽内部分之间的节距为(y-1)个定子槽,所述第二类导体段的所述第一槽内部分和所述第二槽内部分之间的节距为y个定子槽,所述第三类导体段的所述第一槽内部分和所述第二槽内部分之间的节距为(y+1)个定子槽,其中y为整数且y=z/2p。
根据本申请的一些实施例,所述第一类导体段位于第一跨跃段、第七跨跃段、第十六跨跃段和第二十二跨跃段,所述第一类导体段的第一槽内部分位于一个定子槽的最外层,所述第一类导体段的第二槽内部分位于另一个定子槽的最外层。
根据本申请的一些实施例,所述第二类导体段位于第二跨跃段、第三跨跃段、第五跨跃段、第六跨跃段、第八跨跃段、第九跨跃段、第十一跨跃段、第十二跨跃段、第十四跨跃 段、第十五跨跃段、第十七跨跃段、第十八跨跃段、第二十跨跃段、第二十一跨跃段、第二十三跨跃段和第二十四跨跃段;所述第二类导体段包括同层的导体段和异层的导体段,所述同层的导体段的第一槽内部分位于第一槽内部分位于一个定子槽的最外层,第二槽内部分位于另一个定子槽的最外层,或者所述的同层导体段的第一槽内部分位于第一槽内部分位于一个定子槽的最内层,第二槽内部分位于另一个定子槽的最内层;所述异层的导体段第一槽内部分位于第一槽内部分位于一个定子槽的中间槽层,第二槽内部分位于另一个定子槽的中间槽层,且异层跨跃。
根据本申请的一些实施例,所述第三类导体段位于第四跨跃段、第十跨跃段、第十三跨跃段、第十九跨跃段,所述第三类导体段的第一槽内部分位于一个定子槽的最外层,所述第三类导体段的第二槽内部分位于另一个定子槽的最外层。
根据本申请的电机,包括上述的定子组件。
根据本申请的定子组件,所述定子组件适用于z槽2p极m相的电机中,其每极每相槽数为q=z/m/(2p),并联支路数为a,a≤q,所述定子组件包括定子铁芯和定子绕组,所述定子铁芯具有48个定子槽,多个所述定子槽沿所述定子铁芯的周向方向分布,在所述定子铁芯的周向方向上,多个所述定子槽分别为第1槽、第2槽、…、第48槽,每个所述定子槽中均具有6个槽层,6个所述槽层从所述定子铁芯的径向内侧到外侧的方向上分别为第a层、第b层、…、第f层;所述定子绕组的每相一路绕线包括首尾依次连接的第一绕组部分至第四绕组部分,所述第一绕组部分构造为所述一路绕线的起始段,所述第四绕组部分构造出所述一路绕线的终止段;在所述第一绕组部分内,第1槽第f层为所述第一绕组部分的起始端,第(25槽第f层为所述第一绕组部分的终止端,所述第一绕组部分包括第一跨跃段至第六跨跃段,从第1槽第f层到第44槽第f层为所述第一跨跃段;从第44槽第f层到第44槽第a层为第二跨跃段,在第二跨跃段内,绕线在第44槽和第2槽之间往复且从所述定子铁芯的径向外侧到径向内侧绕线;从第44槽第a层到第38槽第f层为第三跨跃段,在所述第三跨跃段内,绕线在第44槽和第38槽之间往复且从所述定子铁芯的径向内侧到径向外侧绕线;从第38第f层到第31第f层为第四跨跃段;第31槽第f层和第31槽第a层为第五跨跃段,在第五跨跃段,绕线在第31槽和第37槽之间往复且从所述定子铁芯的径向外侧到径向内侧绕线;从第31槽第a层和第25槽第f层为第六跨跃段,在所述第六跨跃段内,绕线在第31槽和第25槽之间往复且从所述定子铁芯的径向内侧到径向外侧绕线;在所述第二绕组部分内,第25槽第f层为所述第二绕组部分的起始端,第7槽第次外层为所述第二绕组部分的终止端,所述第二绕组部分包括第七跨跃段到第十二跨跃段,从第25槽第f层到第20槽第f层为第七跨跃段;从第20槽第f层到第20槽第a层为所述第八跨跃段,在所述第八跨跃段内,绕线在第20槽和第26槽之间往复且从所述定 子铁芯的径向外侧到径向内侧绕线;从第20槽第a层到第14槽第f层为所述第九跨跃段,在所述第九跨跃段内,绕线在第20槽和第14槽之间往复且从所述定子铁芯的径向内侧到径向外侧绕线;从第14槽第f层到第7槽第f层为第十跨跃段;从第7槽第f层到第7槽第a层为第十一跨跃段,在所述第十一跨跃段内,绕线在第7槽和第13槽之间往复且从所述定子铁芯的径向外侧到径向内侧绕线;从第7槽第a层到第7槽次外层为第十二跨跃段,在所述第十二跨跃段内,绕线在第7槽和第1槽之间往复且从所述定子铁芯的径向内侧到径向外侧绕线;其中,第1槽为初始槽,所述初始槽的最外层连接第一引出线;至此所述一路绕线的第一圈绕线结束,从所述第三绕组部分开始,所述一路绕线开始绕第二圈;在所述第三绕组部分内,第2槽第f层为所述第三绕组部分的起始端,第26槽第f层为所述第三绕组部分的终止端,第7槽次外层与第2槽第f层之间具有连接线以连接所述第二绕组部分的终止端与所述第三绕组部分的起始端;所述第三绕组部分包括第十三跨跃段至第十八跨跃段,从第2槽第f层到第43槽第f层为第十三跨跃段;从第43槽第f层到第43槽第a层为所述第十四跨跃段,在所述第十四跨跃段内,绕线在第43槽和第1槽之间往复且从所述定子铁芯的径向外侧到径向内侧绕线;从第43槽第a层到第37槽第f层为所述第十五跨跃段,在所述第十五跨跃段内,绕线在第43槽和第37槽之间往复且从所述定子铁芯的径向内侧到径向外侧绕线;从第37槽第f层到第32槽第f层为第十六跨跃段;从第32槽第f层到第32槽第a层为所述第十七跨跃段,在所述第十七跨跃段内,绕线在第32槽和第38槽之间往复且从所述定子铁芯的径向外侧到径向内侧绕线;从第32槽第a层到第26槽第f层为所述第十八跨跃段,在所述第十八跨跃段内,绕线在第32槽和第26槽之间往复且从所述定子铁芯的径向内侧到径向外侧绕线;在所述第四绕组部分内,第26槽第f层为所述第四绕组部分的起始端,第8槽次外层为所述第四绕组部分的终止端,所述第四绕组部分包括第十九跨跃段至第二十四跨跃段,从第26槽第f层到第19槽第f层为第十九跨跃段;从第19槽第f层到第19槽第a层为所述第二十跨跃段,在所述第二十跨跃段内,绕线在第19槽和第25槽之间往复且从所述定子铁芯的径向外侧到径向内侧绕线;从第19槽第a层到第13槽第f层为所述第二十一跨跃段,在所述第二十一跨跃段内,绕线在第19槽和第13槽之间往复且从所述定子铁芯的径向内侧到径向外侧绕线;从第13槽第f层到第8槽第f层为第二十二跨跃段;从第8槽第f层到第8槽第a层为所述第二十三跨跃段,在所述第二十三跨跃段内,绕线在第8槽和第14槽之间往复且从所述定子铁芯的径向外侧到径向内侧绕线;从第8槽第a层到第8槽次外层为所述第二十四跨跃段,在所述第二十四跨跃段内,绕线在第8槽和第2槽之间往复且从所述定子铁芯的径向内侧到径向外侧绕线;其中,终止槽,所述终止槽与初始槽之间存在5个定子槽,所述终止槽的次外层连接第一星点线,并且第7槽的次外层与第二槽的最外层通过桥接线连接。
附图说明
图1是根据本申请实施例的定子绕组的俯视图;
图2是根据本申请实施例的定子绕组的绕线的绕线示意图;
图3是根据本申请实施例的第一绕组部分的放大图;
图4是根据本申请实施例的第二绕组部分的放大图;
图5是根据本申请实施例的第三绕组部分的放大图;
图6是根据本申请实施例的第四绕组部分的放大图;
图7是根据本申请实施例的定子组件的示意图;
图8是图5中A处的放大图;
图9是根据本申请实施例的第二类导体段中的第一种导体段示意图;
图10是根据本申请实施例的第二类导体段中的第二种导体段示意图;
图11是根据本申请实施例的第二类导体段中的第三种导体段示意图;
图12是根据本申请实施例的第一类导体段的示意图;
图13是根据本申请实施例的第三类导体段的示意图;
图14是根据本申请实施例的绕线的布线图;
图15是根据本申请实施例的三相两路布线图。
具体实施方式
下面详细描述本申请的实施例,所述实施例的示例在附图中示出。下面通过参考附图描述的实施例是示例性的,旨在用于解释本申请,而不能理解为对本申请的限制。
在本申请的描述中,需要理解的是,术语“中心”、“纵向”、“横向”、“长度”、“宽度”、“厚度”、“上”、“下”、“前”、“后”、“左”、“右”、“竖直”、“水平”、“顶”、“底”“内”、“外”、“顺时针”、“逆时针”、“轴向”、“径向”、“周向”等指示的方位或位置关系为基于附图所示的方位或位置关系,仅是为了便于描述本申请和简化描述,而不是指示或暗示所指的装置或元件必须具有特定的方位、以特定的方位构造和操作,因此不能理解为对本申请的限制。此外,限定有“第一”、“第二”的特征可以明示或者隐含地包括一个或者更多个该特征。在本申请的描述中,除非另有说明,“多个”的含义是两个或两个以上。
在本申请的描述中,需要说明的是,除非另有明确的规定和限定,术语“安装”、“相连”、“连接”应做广义理解,例如,可以是固定连接,也可以是可拆卸连接,或一体地连接;可以是机械连接,也可以是电连接;可以是直接相连,也可以通过中间媒 介间接相连,可以是两个元件内部的连通。对于本领域的普通技术人员而言,可以具体情况理解上述术语在本申请中的具体含义。
下面参考图1-图15描述根据本申请实施例的定子组件10。
如图1-图15所示,根据本申请实施例的定子组件10,定子组件10适用于z槽2p极m相的电机中,其每极每相槽数为q=z/m/(2p),并联支路数为a,a≤q,其中,其中z为定子槽11数,m为相数,2p为极数,这里的定子组件10适用于z槽2p极m相的电机中,这里的槽数z可以为24、48、72等,相数m可以是三相、两相或者单相,定子组件10可以用于8极48槽3相的电机,即定子槽11数z=48,相数m=3,其中,三相包括U相、V相和W相,极数2p=8(即极对数为4)极对数p可以是8极、4极等,可以根据具体适用的电机进行设定。
定子组件10可以包括:定子铁芯1和定子绕组2,定子铁芯1具有多个定子槽11,多个定子槽11沿定子铁芯1的周向方向分布,本申请以周向方向的逆时针方向为例,在定子铁芯1的周向方向的逆时针方向上,多个定子槽11分别为第1槽、第2槽、…、第i槽、…、第n槽、…,每个定子槽11中均具有r个槽层12,r个槽层12从定子铁芯1的径向内侧到外侧的方向上分别为第a层、第b层、…、第j层、…、第r层,需要解释的是,第r层为最外层槽层12,图2中的上下方向是指定子铁芯1的径向方向,图2中的下方为定子铁芯1的径向内侧,图2中的上方为定子铁芯1的径向外侧。
需要说明的是,在数槽数的过程中,需要确定某一槽时,可以以第i槽为起点,当需要数到第“i-\+*”槽时,其中,当i和*之间为“-”时,沿图1所示的逆时针方向数“*”个槽,当i和*之间为“+”时,沿图1所示的顺时针方向数“*”个槽。例如,当需要数到第“i-42”槽时,其中,i和42之间为“-”,则沿图1所示的逆时针方向数“42”个槽;再如,当需要数到第“i+1”槽时,其中,i和1之间为“+”,则沿图1所示的逆时顺方向数“1”个槽。
定子绕组2的每相绕线21可以包括首尾依次连接的第一绕组部分211至第四绕组部分222,需要解释的是,绕线21可以包括第一绕组部分211、第二绕组部分212、第三绕组部分221和第四绕组部分222。第一绕组部分211构造为绕线21的起始段,第四绕组部分222构造出一路绕线21的终止段。
在第一绕组部分211内,第i槽第r层为第一绕组部分211的起始端,第(i-24)槽第r层为第一绕组部分211的终止端,第一绕组部分211可以包括第一跨跃段2111至第六跨跃段2116,需要说明的是,第一绕组部分211可以包括第一跨跃段2111、第二跨跃段2112、第三跨跃段2113、第四跨跃段2114、第五跨跃段2115和第六跨跃段2116。
从第i槽第r层到第(i-5)槽第r层为第一跨跃段2111,从第(i-5)槽第r层到第(i-5)槽第a层为第二跨跃段2112,在第二跨跃段2112内,绕线在第(i-5)槽和第(i-47)槽之间往复且从定子铁芯1的径向外侧到径向内侧绕线,从第(i-5)槽第a层到第(i-11)槽第r层为第三跨跃段2113,在第三跨跃段2113内,绕线在第(i-5)槽和第(i-11)槽之间往复且从定子铁芯1的径向内侧到径向外侧绕线,从第(i-11)第r层到第(i-18)第r层为第四跨跃段2114,第(i-18)槽第r层和第(i-18)槽第a层为第五跨跃段2115,在第五跨跃段2115,绕线在第(i-18)槽和第(i-12)槽之间往复且从定子铁芯1的径向外侧到径向内侧绕线,从第(i-18)槽第a层和第(i-24)槽第r层为第六跨跃段2116,在第六跨跃段2116内,绕线在第(i-18)槽和第(i-24)槽之间往复且从定子铁芯1的径向内侧到径向外侧绕线。
在第二绕组部分212内,第(i-24)槽第r层为第二绕组部分212的起始端,第(i-42)槽第次外层为第二绕组部分212的终止端,第二绕组部分212可以包括第七跨跃段2121到第十二跨跃段2126,需要说明的是,第二绕组部分212可以包括第七跨跃段2121、第八跨跃段2122、第九跨跃段2123、第十跨跃段2124、第十一跨跃段2125和第十二跨跃段2126。
从第(i-24)槽第r层到第(i-29)槽第r层为第七跨跃段2121,从第(i-29)槽第r层到第(i-29)槽第a层为第八跨跃段2122,在第八跨跃段2122内,绕线在第(i-29)槽和第(i-23)槽之间往复且从定子铁芯1的径向外侧到径向内侧绕线,从第(i-29)槽第a层到第(i-35)槽第r层为第九跨跃段2123,在第九跨跃段2123内,绕线在第(i-29)槽和第(i-35)槽之间往复且从定子铁芯1的径向内侧到径向外侧绕线,从第(i-35)槽第r层到第(i-42)槽第r层为第十跨跃段2124,从第(i-42)槽第r层到第(i-42)槽第a层为第十一跨跃段2125,在第十一跨跃段2125内,绕线在第(i-42)槽和第(i-36)槽之间往复且从定子铁芯1的径向外侧到径向内侧绕线,从第(i-42)槽第a层到第(i-42)槽次外层为第十二跨跃段2126,在第十二跨跃段2126内,绕线在第(i-42)槽和第i槽之间往复且从定子铁芯1的径向内侧到径向外侧绕线。
其中,第i槽为初始槽,初始槽的最外层连接第一引出线3,至此一路绕线21的第一圈绕线结束,从第三绕组部分221开始,一路绕线21开始绕第二圈。
终止槽,终止槽与初始槽之间存在5个定子槽11,终止槽的次外层连接第一星点线4,并且,第(n-47)槽最外层与第(i-42)槽次外层通过桥接线连接,需要说明的是,如图3所示,第1槽可以为初始槽,初始槽的f层连接第一引出线3,第44槽可以为终止槽,终止槽的e层连接第一星点线4。
根据本申请的一个具体实施例,以8极48槽的电机为例,两路六匝定子绕组2的布线方案具体布线方式如下所示,为方便描述,现规定1a表示编号为1的槽的第1层,同样地,48f表示编号为48的槽第6层。
如图2-图5所示,为定子绕组2的每相一路绕线21的绕线方式,1f具有第一引出线3,7e具有第一星点线4,定子绕组2的每相一路绕线21的绕线起点为1f处,定子绕组2的每相一路绕线21的绕线具体方式为:
1f->44f->2e->44d->2c->44b->2a->44a->38b->44c->38d->44e->38f->31f->37e->31d->37c->31b->37a->31a->25b->31c->25d->31e->25f->20f->26e->20d->26c->20b->26a->20a->14b->20c->14d->20e->14f->7f->13e->7d->13c->7b->13a->7a->1b->7c->1d->7e->2f->43f->1e->43d->1c->43b->1a->43a->37b->43c->37d->43e->37f->32f->38e->32d->38c->32b->38a->32a->26b->32c->26d->32e->26f->19f->25e->19d->25c->19b->25a->19a->13b->19c->13d->19e->13f->8f->14e->8d->14c->8b->14a->8a->2b->8c->2d->8e。
通过此绕线方式进行绕线,可以优化定子绕组2的每相一路绕线21的绕线结构,此种绕线方式能够使第一引出线3与第一星点线4均布置在焊接端232,可以充分利用焊接端232的高度。
并且,该定子绕组2路数容易调整,在路数调整时,不容易产生不平衡的电流,可以防止产生环流现象,从而可以防止电机失效。
需要说明的是,在数槽数的过程中,需要确定某一槽时,可以以第n槽为起点,当需要数到第“n-\+*”槽时,其中,当n和*之间为“-”时,沿图1所示的逆时针方向数“*”个槽,当n和*之间为“+”时,沿图1所示的顺时针方向数“*”个槽。例如,当需要数到第“n-47”槽时,其中,n和47之间为“-”,则沿图1所示的逆时针方向数“47”个槽;再如,当需要数到第“n+1”槽时,其中,n和1之间为“+”,则沿图1所示的逆时顺方向数“1”个槽。
在第三绕组部分221内,第(n-47)槽第r层为第三绕组部分221的起始端,第(n-23)槽第r层为第三绕组部分221的终止端,第(i-42)槽次外层与第(n-47)槽第r层之间具有连接线5以连接第二绕组部分212的终止端与第三绕组部分221的起始端。
第三绕组部分221可以包括第十三跨跃段2211至第十八跨跃段2216,需要解释的是,第三绕组部分221可以包括第十三跨跃段2211、第十四跨跃段2212、第十五跨跃段2213、第十六跨跃段2214、第十七跨跃段2215和第十八跨跃段2216。
从第(n-47)槽第r层到第(n-6)槽第r层为第十三跨跃段2211;从第(n-6)槽第r层到第(n-6)槽第a层为第十四跨跃段2212,在第十四跨跃段2212内,绕线 在第(n-6)槽和第n槽之间往复且从定子铁芯1的径向外侧到径向内侧绕线,从第(n-6)槽第a层到第(n-12)槽第r层为第十五跨跃段2213,在第十五跨跃段2213内,绕线在第(n-6)槽和第(n-12)槽之间往复且从定子铁芯1的径向内侧到径向外侧绕线,从第(n-12)槽第r层到第(n-17)槽第r层为第十六跨跃段2214,从第(n-17)槽第r层到第(n-17)槽第a层为第十七跨跃段2215,在第十七跨跃段2215内,绕线在第(n-17)槽和第(n-11)槽之间往复且从定子铁芯1的径向外侧到径向内侧绕线,从第(n-17)槽第a层到第(n-23)槽第r层为第十八跨跃段2216,在第十八跨跃段2216内,绕线在第(n-17)槽和第(n-23)槽之间往复且从定子铁芯1的径向内侧到径向外侧绕线。
在第四绕组部分222内,第(n-23)槽第r层为第四绕组部分222的起始端,第(n-41)槽次外层为第四绕组部分222的终止端,第四绕组部分222可以包括第十九跨跃段2221至第二十四跨跃段2226,需要说明的是,第三绕组部分221可以包括第十九跨跃段2221、第二十跨跃段2222、第二十一跨跃段2223、第二十二跨跃段2224、第二十三跨跃段2225和第二十四跨跃段2226。
从第(n-23)槽第r层到第(n-30)槽第r层为第十九跨跃段2221,从第(n-30)槽第r层到第(n-30)槽第a层为第二十跨跃段2222,在第二十跨跃段2222内,绕线在第(n-30)槽和第(n-24)槽之间往复且从定子铁芯1的径向外侧到径向内侧绕线,从第(n-30)槽第a层到第(n-36)槽第r层为第二十一跨跃段2223,在第二十一跨跃段2223内,绕线在第(n-30)槽和第(n-36)槽之间往复且从定子铁芯1的径向内侧到径向外侧绕线,从第(n-36)槽第r层到第(n-41)槽第r层为第二十二跨跃段2224,从第(n-41)槽第r层到第(n-41)槽第a层为第二十三跨跃段2225,在第二十三跨跃段2225内,绕线在第(n-41)槽和第(n-35)槽之间往复且从定子铁芯1的径向外侧到径向内侧绕线,从第(n-41)槽第a层到第(n-41)槽次外层为第二十四跨跃段2226,在第二十四跨跃段2226内,绕线在第(n-41)槽和第(n-47)槽之间往复且从定子铁芯1的径向内侧到径向外侧绕线。
另外,在绕线过程中,通过在第一跨跃段2111、第四跨跃段2114、第十跨跃段2124和第七跨跃段2121设置与其他跨越段不同的节距,将定子槽11的电位矢量平衡,抑制槽矩角的电位相角差,最终实现子路之间电位的均衡,可以抑制定子绕组2内部环流,有低温升效果,并且,在抑制环流的同时,也可抑制环流产生的谐波电磁激励,从而可以大幅度地抑制电机工作时的振动和噪声。
由此,通过定子铁芯1和定子绕组2配合,能够使第一引出线3与第一星点线4均布置在焊接端232,可以充分利用焊接端232的高度,也能够防止产生环流现象,可以 防止电机失效。
在一些实施例中,如图9-图13所示,定子绕组2可以包括多个导体段,每个导体段可以包括弯折部231和分别连接至弯折部231的第一槽内部分233和第二槽内部分234,在焊接端232上多个导体段的位于相邻层的第一槽内部分233和第二槽内部分234焊接连接。第一槽内部分233穿过其中一个定子槽11中的其中一个槽层12,第二槽内部分234穿过另一个定子槽11中的其中一个槽层12,第一槽内部分233和第二槽内部分234穿过定子槽11后其端部超出定子铁芯1。
其中,第一槽内部分233的远离弯折部231的端部位于定子槽11外部,该部分结构可以构造出一焊接端232,相应地,第二槽内部分234的远离弯折部231的端部位于定子槽11外部,该部分结构可以构造出另一焊接端232。
导体段的垂直于其延伸方向的任一横截面为非圆形,作为一个实施例,横截面均为矩形形状。可选地,U形导体段的任一横截面为长方形形状,长方形的短边垂直于定子槽11底壁。更进一步地,在U形导体段的延伸方向上,U形导体段的横截面面积相等。当多个导体段同时插入到定子铁芯1的定子槽11内之后,相邻的导体段之间的防干涉效果更好。
如图14和图15所示,导体段中的折弯部所在一端可以为定子绕组2的发卡端,而且第一槽内部分233和第二槽内部分234的端部所在一端称为定子绕组2的焊接端232,焊接端232是由多个U形导体段的第一槽内部分233和与其相邻的导体段的第二槽内部分234依次焊接形成。
在一些实施例中,如图9-图13所示,导体段可以包括第一类导体段23、第二类导体段24和第三类导体段25,第一类导体段23的第一槽内部分233和第二槽内部分234之间的节距为(y-1)个定子槽11,第二类导体段24的第一槽内部分233和第二槽内部分234之间的节距为y个定子槽11,第三类导体段25的第一槽内部分233和第二槽内部分234之间的节距为(y+1)个定子槽11,其中y为整数且y=z/2p。
在一些实施例中,第一类导体段23位于第一跨跃段2111、第七跨跃段2121、第十六跨跃段2214和第二十二跨跃段2224,第一类导体段23的第一槽内部分233位于一个定子槽11的最外层,第一类导体段23的第二槽内部分234位于另一个定子槽11的最外层。本申请的绕线方式,所需的第一类导体段23的种类相对较少,第一类导体段23的成型工艺简单,所需生产设备少,可以进行批量生产,同时,使用该第一类导体段23,能够减少焊接端232焊点数量,可以降低制造成本。
在一些实施例中,第二类导体段24位于第二跨跃段2112、第三跨跃段2113、第五跨跃段2115、第六跨跃段2116、第八跨跃段2122、第九跨跃段2123、第十一跨跃段 2125、第十二跨跃段2126、第十四跨跃段2212、第十五跨跃段2213、第十七跨跃段2215、第十八跨跃段2216、第二十跨跃段2222、第二十一跨跃段2223、第二十三跨跃段2225和第二十四跨跃段2226。
第二类导体段24可以包括同层的导体段和异层的导体段,同层的导体段的第一槽内部分233位于第一槽内部分233位于一个定子槽11的最外层,第二槽内部分234位于另一个定子槽11的最外层,或者的同层导体段的第一槽内部分233位于第一槽内部分233位于一个定子槽11的最内层,第二槽内部分234位于另一个定子槽11的最内层,异层的导体段第一槽内部分233位于第一槽内部分233位于一个定子槽11的中间槽层12,第二槽内部分234位于另一个定子槽11的中间槽层12,且异层跨跃。
在一些实施例中,第三类导体段25位于第四跨跃段2114、第十跨跃段2124、第十三跨跃段2211、第十九跨跃段2221,第三类导体段25的第一槽内部分233位于一个定子槽11的最外层,第三类导体段25的第二槽内部分234位于另一个定子槽11的最外层。
根据本申请实施例的电机,包括上述实施例的定子组件10,该定子组件10设置安装在电机上,该定子组件10能够使第一引出线3与第一星点线4均布置在焊接端232,可以充分利用焊接端232的高度,也能够防止产生环流现象,可以防止电机失效,进而可以保证电机的工作可靠性。
根据本申请实施例的一个具体实施例,定子组件10适用于z槽2p极m相的电机中,其每极每相槽数为q=z/m/(2p),并联支路数为a,a≤q,定子组件10包括定子铁芯1和定子绕组2,定子铁芯1具有48个定子槽11,多个定子槽11沿定子铁芯1的周向方向分布,在定子铁芯1的周向方向上,多个定子槽11分别为第1槽、第2槽、…、第48槽,每个定子槽11中均具有6个槽层12,6个槽层12从定子铁芯1的径向内侧到外侧的方向上分别为第a层、第b层、…、第f层。
其特征在于,定子绕组2的每相一路绕线21包括首尾依次连接的第一绕组部分211至第四绕组部分222,第一绕组部分211构造为绕线21的起始段,第四绕组部分222构造出绕线21的终止段。
在第一绕组部分211内,第1槽第f层为第一绕组部分211的起始端,第(25槽第f层为第一绕组部分211的终止端,第一绕组部分211包括第一跨跃段2111至第六跨跃段2116,从第1槽第f层到第44槽第f层为第一跨跃段2111;从第44槽第f层到第44槽第a层为第二跨跃段2112,在第二跨跃段2112内,绕线在第44槽和第2槽之间往复且从定子铁芯1的径向外侧到径向内侧绕线;从第44槽第a层到第38槽第f层为第三跨跃段2113,在第三跨跃段2113内,绕线在第44槽和第38槽之间往复且从 定子铁芯1的径向内侧到径向外侧绕线;从第38第f层到第31第f层为第四跨跃段2114;第31槽第f层和第31槽第a层为第五跨跃段2115,在第五跨跃段2115,绕线在第31槽和第37槽之间往复且从定子铁芯1的径向外侧到径向内侧绕线;从第31槽第a层和第25槽第f层为第六跨跃段2116,在第六跨跃段2116内,绕线在第31槽和第25槽之间往复且从定子铁芯1的径向内侧到径向外侧绕线。
在第二绕组部分212内,第25槽第f层为第二绕组部分212的起始端,第7槽第次外层为第二绕组部分212的终止端,第二绕组部分212包括第七跨跃段2121到第十二跨跃段2126,从第25槽第f层到第20槽第f层为第七跨跃段2121;从第20槽第f层到第20槽第a层为第八跨跃段2122,在第八跨跃段2122内,绕线在第20槽和第26槽之间往复且从定子铁芯1的径向外侧到径向内侧绕线;从第20槽第a层到第14槽第f层为第九跨跃段2123,在第九跨跃段2123内,绕线在第20槽和第14槽之间往复且从定子铁芯1的径向内侧到径向外侧绕线;从第14槽第f层到第7槽第f层为第十跨跃段2124;从第7槽第f层到第7槽第a层为第十一跨跃段2125,在第十一跨跃段2125内,绕线在第7槽和第13槽之间往复且从定子铁芯1的径向外侧到径向内侧绕线;从第7槽第a层到第7槽次外层为第十二跨跃段2126,在第十二跨跃段2126内,绕线在第7槽和第1槽之间往复且从定子铁芯1的径向内侧到径向外侧绕线。
其中,第1槽为初始槽,初始槽的最外层连接第一引出线3;至此一路绕线21的第一圈绕线结束,从第三绕组部分221开始,一路绕线21开始绕第二圈。
在第三绕组部分221内,第2槽第f层为第三绕组部分221的起始端,第26槽第f层为第三绕组部分221的终止端,第7槽次外层与第2槽第f层之间具有连接线5以连接第二绕组部分212的终止端与第三绕组部分221的起始端。
第三绕组部分221包括第十三跨跃段2211至第十八跨跃段2216,从第2槽第f层到第43槽第f层为第十三跨跃段2211;从第43槽第f层到第43槽第a层为第十四跨跃段2212,在第十四跨跃段2212内,绕线在第43槽和第1槽之间往复且从定子铁芯1的径向外侧到径向内侧绕线;从第43槽第a层到第37槽第f层为第十五跨跃段2213,在第十五跨跃段2213内,绕线在第43槽和第37槽之间往复且从定子铁芯1的径向内侧到径向外侧绕线;从第37槽第f层到第32槽第f层为第十六跨跃段2214;从第32槽第f层到第32槽第a层为第十七跨跃段2215,在第十七跨跃段2215内,绕线在第32槽和第38槽之间往复且从定子铁芯1的径向外侧到径向内侧绕线;从第32槽第a层到第26槽第f层为第十八跨跃段2216,在第十八跨跃段2216内,绕线在第32槽和第26槽之间往复且从定子铁芯1的径向内侧到径向外侧绕线。
在第四绕组部分222内,第26槽第f层为第四绕组部分222的起始端,第8槽次 外层为第四绕组部分222的终止端,第四绕组部分222包括第十九跨跃段2221至第二十四跨跃段2226,从第26槽第f层到第19槽第f层为第十九跨跃段2221;从第19槽第f层到第19槽第a层为第二十跨跃段2222,在第二十跨跃段2222内,绕线在第19槽和第25槽之间往复且从定子铁芯1的径向外侧到径向内侧绕线;从第19槽第a层到第13槽第f层为第二十一跨跃段2223,在第二十一跨跃段2223内,绕线在第19槽和第13槽之间往复且从定子铁芯1的径向内侧到径向外侧绕线;从第13槽第f层到第8槽第f层为第二十二跨跃段2224;从第8槽第f层到第8槽第a层为第二十三跨跃段2225,在第二十三跨跃段2225内,绕线在第8槽和第14槽之间往复且从定子铁芯1的径向外侧到径向内侧绕线;从第8槽第a层到第8槽次外层为第二十四跨跃段2226,在第二十四跨跃段2226内,绕线在第8槽和第2槽之间往复且从定子铁芯1的径向内侧到径向外侧绕线。
其中,终止槽,终止槽与初始槽之间存在5个定子槽11,终止槽的次外层连接第一星点线4,并且第7槽的次外层与第二槽的最外层通过桥接线连接。
在一些实施例中,从a到a层通过图10所示的第二类导体段24中的第一种导体段241实现连接,从b到c层通过图11所示的第二类导体段24中的第二种导体段242实现,从d到e层通过图12所示的第二类导体段24中的第三种导体段243实现连接,从f到f层均为内外套发卡,跨距为5通过图13所示的第二类导体段24实现连接,跨距为7通过图14所示的第三类导体段25实现连接,从a到b层、c到d层,e到f层通过发卡非闭合端焊接相连。
如图12和图13所示,A1、B1、C1为绕线21的引出线,X1、Y1、Z1为绕线21的星点线,A2、B2、C2为第二路绕线的引出线,X2、Y2、Z2为第二路绕线的星点线,a~f可以分别表示同一槽内的第1层至第6层(第1层位于靠近槽口,第6层位于槽底)。
在本说明书的描述中,参考术语“一个实施例”、“一些实施例”、“示例”、“具体示例”、或“一些示例”等的描述意指结合该实施例或示例描述的具体特征、结构、材料或者特点包含于本申请的至少一个实施例或示例中。在本说明书中,对上述术语的示意性表述不必须针对的是相同的实施例或示例。而且,描述的具体特征、结构、材料或者特点可以在任一个或多个实施例或示例中以合适的方式结合。此外,在不相互矛盾的情况下,本领域的技术人员可以将本说明书中描述的不同实施例或示例以及不同实施例或示例的特征进行结合和组合。
尽管上面已经示出和描述了本申请的实施例,可以理解的是,上述实施例是示例性的,不能理解为对本申请的限制,本领域的普通技术人员在本申请的范围内可以对上述实施例进行变化、修改、替换和变型。

Claims (9)

  1. 一种定子组件,所述定子组件适用于z槽2p极m相的电机中,其每极每相槽数为q=z/m/(2p),并联支路数为a,a≤q,所述定子组件包括定子铁芯和定子绕组,所述定子铁芯具有多个定子槽,多个所述定子槽沿所述定子铁芯的周向方向分布,在所述定子铁芯的周向方向上,多个所述定子槽分别为第1槽、第2槽、…、第i槽、…、第n槽、…,每个所述定子槽中均具有r个槽层,r个所述槽层从所述定子铁芯的径向内侧到外侧的方向上分别为第a层、第b层、…、第j层、…、第r层;
    其特征在于,所述定子绕组的每相一路绕线包括首尾依次连接的第一绕组部分至第四绕组部分,所述第一绕组部分构造为所述一路绕线的起始段,所述第四绕组部分构造出所述一路绕线的终止段;
    在所述第一绕组部分内,第i槽第r层为所述第一绕组部分的起始端,第(i-24)槽第r层为所述第一绕组部分的终止端,所述第一绕组部分包括第一跨跃段至第六跨跃段,从第i槽第r层到第(i-5)槽第r层为所述第一跨跃段;从第(i-5)槽第r层到第(i-5)槽第a层为第二跨跃段,在第二跨跃段内,绕线在第(i-5)槽和第(i-47)槽之间往复且从所述定子铁芯的径向外侧到径向内侧绕线;从第(i-5)槽第a层到第(i-11)槽第r层为第三跨跃段,在所述第三跨跃段内,绕线在第(i-5)槽和第(i-11)槽之间往复且从所述定子铁芯的径向内侧到径向外侧绕线;从第(i-11)第r层到第(i-18)第r层为第四跨跃段;第(i-18)槽第r层和第(i-18)槽第a层为第五跨跃段,在第五跨跃段,绕线在第(i-18)槽和第(i-12)槽之间往复且从所述定子铁芯的径向外侧到径向内侧绕线;从第(i-18)槽第a层和第(i-24)槽第r层为第六跨跃段,在所述第六跨跃段内,绕线在第(i-18)槽和第(i-24)槽之间往复且从所述定子铁芯的径向内侧到径向外侧绕线;
    在所述第二绕组部分内,第(i-24)槽第r层为所述第二绕组部分的起始端,第(i-42)槽第次外层为所述第二绕组部分的终止端,所述第二绕组部分包括第七跨跃段到第十二跨跃段,从第(i-24)槽第r层到第(i-29)槽第r层为第七跨跃段;从第(i-29)槽第r层到第(i-29)槽第a层为所述第八跨跃段,在所述第八跨跃段内,绕线在第(i-29)槽和第(i-23)槽之间往复且从所述定子铁芯的径向外侧到径向内侧绕线;从第(i-29)槽第a层到第(i-35)槽第r层为所述第九跨跃段,在所述第九跨跃段内,绕线在第(i-29)槽和第(i-35)槽之间往复且从所述定子铁芯的径向内侧到径向外侧绕线;从第(i-35)槽第r层到第(i-42)槽第r层为第十跨跃段;从第(i-42)槽第r层到第(i-42)槽第a层为第十一跨跃段,在所述第十一跨跃段内,绕线在第(i-42)槽和第(i-36)槽之间往复且从所述定子铁芯的径向外侧到径向内侧绕线;从第(i-42)槽第a层到第(i-42)槽 次外层为第十二跨跃段,在所述第十二跨跃段内,绕线在第(i-42)槽和第i槽之间往复且从所述定子铁芯的径向内侧到径向外侧绕线;
    其中,第i槽为初始槽,所述初始槽的最外层连接第一引出线;
    至此所述一路绕线的第一圈绕线结束,从所述第三绕组部分开始,所述一路绕线开始绕第二圈;
    在所述第三绕组部分内,第(n-47)槽第r层为所述第三绕组部分的起始端,第(n-23)槽第r层为所述第三绕组部分的终止端,第(i-42)槽次外层与第(n-47)槽第r层之间具有连接线以连接所述第二绕组部分的终止端与所述第三绕组部分的起始端;
    所述第三绕组部分包括第十三跨跃段至第十八跨跃段,从第(n-47)槽第r层到第(n-6)槽第r层为第十三跨跃段;从第(n-6)槽第r层到第(n-6)槽第a层为所述第十四跨跃段,在所述第十四跨跃段内,绕线在第(n-6)槽和第n槽之间往复且从所述定子铁芯的径向外侧到径向内侧绕线;从第(n-6)槽第a层到第(n-12)槽第r层为所述第十五跨跃段,在所述第十五跨跃段内,绕线在第(n-6)槽和第(n-12)槽之间往复且从所述定子铁芯的径向内侧到径向外侧绕线;从第(n-12)槽第r层到第(n-17)槽第r层为第十六跨跃段;从第(n-17)槽第r层到第(n-17)槽第a层为所述第十七跨跃段,在所述第十七跨跃段内,绕线在第(n-17)槽和第(n-11)槽之间往复且从所述定子铁芯的径向外侧到径向内侧绕线;从第(n-17)槽第a层到第(n-23)槽第r层为所述第十八跨跃段,在所述第十八跨跃段内,绕线在第(n-17)槽和第(n-23)槽之间往复且从所述定子铁芯的径向内侧到径向外侧绕线;
    在所述第四绕组部分内,第(n-23)槽第r层为所述第四绕组部分的起始端,第(n-41)槽次外层为所述第四绕组部分的终止端,所述第四绕组部分包括第十九跨跃段至第二十四跨跃段,从第(n-23)槽第r层到第(n-30)槽第r层为第十九跨跃段;从第(n-30)槽第r层到第(n-30)槽第a层为所述第二十跨跃段,在所述第二十跨跃段内,绕线在第(n-30)槽和第(n-24)槽之间往复且从所述定子铁芯的径向外侧到径向内侧绕线;从第(n-30)槽第a层到第(n-36)槽第r层为所述第二十一跨跃段,在所述第二十一跨跃段内,绕线在第(n-30)槽和第(n-36)槽之间往复且从所述定子铁芯的径向内侧到径向外侧绕线;从第(n-36)槽第r层到第(n-41)槽第r层为第二十二跨跃段;从第(n-41)槽第r层到第(n-41)槽第a层为所述第二十三跨跃段,在所述第二十三跨跃段内,绕线在第(n-41)槽和第(n-35)槽之间往复且从所述定子铁芯的径向外侧到径向内侧绕线;从第(n-41)槽第a层到第(n-41)槽次外层为所述第二十四跨跃段,在所述第二十四跨跃段内,绕线在第(n-41)槽和第(n-47)槽之间往复且从所述定子铁芯的径向内侧到径向外侧绕线;
    其中,终止槽,所述终止槽与初始槽之间存在5个定子槽,所述终止槽的次外层连接第 一星点线,并且,第(n-47)槽最外层与第(i-42)槽次外层通过桥接线连接。
  2. 根据权利要求1所述的定子组件,其特征在于,n=i。
  3. 根据权利要求1-2中任一项所述的定子组件,其特征在于,所述定子绕组包括多个导体段,每个所述导体段包括弯折部和分别连接至所述弯折部的第一槽内部分和第二槽内部分,在焊接端上所述多个导体段的位于相邻层的所述第一槽内部分和所述第二槽内部分焊接连接。
  4. 根据权利要求3所述的定子组件,其特征在于,所述导体段包括第一类导体段、第二类导体段和第三类导体段,所述第一类导体段的所述第一槽内部分和所述第二槽内部分之间的节距为(y-1)个定子槽,所述第二类导体段的所述第一槽内部分和所述第二槽内部分之间的节距为y个定子槽,所述第三类导体段的所述第一槽内部分和所述第二槽内部分之间的节距为(y+1)个定子槽,其中y为整数且y=z/2p。
  5. 根据权利要求4所述的定子组件,其特征在于,所述第一类导体段位于第一跨跃段、第七跨跃段、第十六跨跃段和第二十二跨跃段,所述第一类导体段的第一槽内部分位于一个定子槽的最外层,所述第一类导体段的第二槽内部分位于另一个定子槽的最外层。
  6. 根据权利要求4所述的定子组件,其特征在于,所述第二类导体段位于第二跨跃段、第三跨跃段、第五跨跃段、第六跨跃段、第八跨跃段、第九跨跃段、第十一跨跃段、第十二跨跃段、第十四跨跃段、第十五跨跃段、第十七跨跃段、第十八跨跃段、第二十跨跃段、第二十一跨跃段、第二十三跨跃段和第二十四跨跃段;
    所述第二类导体段包括同层的导体段和异层的导体段,所述同层的导体段的第一槽内部分位于第一槽内部分位于一个定子槽的最外层,第二槽内部分位于另一个定子槽的最外层,或者所述的同层导体段的第一槽内部分位于第一槽内部分位于一个定子槽的最内层,第二槽内部分位于另一个定子槽的最内层;所述异层的导体段第一槽内部分位于第一槽内部分位于一个定子槽的中间槽层,第二槽内部分位于另一个定子槽的中间槽层,且异层跨跃。
  7. 根据权利要求4所述的定子组件,其特征在于,所述第三类导体段位于第四跨跃段、第十跨跃段、第十三跨跃段、第十九跨跃段,所述第三类导体段的第一槽内部分位于一个定子槽的最外层,所述第三类导体段的第二槽内部分位于另一个定子槽的最外层。
  8. 一种电机,其特征在于,包括根据权利要求1-7中任一项所述的定子组件。
  9. 一种定子组件,所述定子组件适用于z槽2p极m相的电机中,其每极每相槽数为q=z/m/(2p),并联支路数为a,a≤q,所述定子组件包括定子铁芯和定子绕组,所述定子铁芯具有48个定子槽,多个所述定子槽沿所述定子铁芯的周向方向分布,在所述定子铁芯的周向方向上,多个所述定子槽分别为第1槽、第2槽、…、第48槽,每个所述定子槽中均具有6个槽层,6个所述槽层从所述定子铁芯的径向内侧到外侧的方向上分别为第a层、第 b层、…、第f层;
    其特征在于,所述定子绕组的每相一路绕线包括首尾依次连接的第一绕组部分至第四绕组部分,所述第一绕组部分构造为所述一路绕线的起始段,所述第四绕组部分构造出所述一路绕线的终止段;
    在所述第一绕组部分内,第1槽第f层为所述第一绕组部分的起始端,第(25槽第f层为所述第一绕组部分的终止端,所述第一绕组部分包括第一跨跃段至第六跨跃段,从第1槽第f层到第44槽第f层为所述第一跨跃段;从第44槽第f层到第44槽第a层为第二跨跃段,在第二跨跃段内,绕线在第44槽和第2槽之间往复且从所述定子铁芯的径向外侧到径向内侧绕线;从第44槽第a层到第38槽第f层为第三跨跃段,在所述第三跨跃段内,绕线在第44槽和第38槽之间往复且从所述定子铁芯的径向内侧到径向外侧绕线;从第38第f层到第31第f层为第四跨跃段;第31槽第f层和第31槽第a层为第五跨跃段,在第五跨跃段,绕线在第31槽和第37槽之间往复且从所述定子铁芯的径向外侧到径向内侧绕线;从第31槽第a层和第25槽第f层为第六跨跃段,在所述第六跨跃段内,绕线在第31槽和第25槽之间往复且从所述定子铁芯的径向内侧到径向外侧绕线;
    在所述第二绕组部分内,第25槽第f层为所述第二绕组部分的起始端,第7槽第次外层为所述第二绕组部分的终止端,所述第二绕组部分包括第七跨跃段到第十二跨跃段,从第25槽第f层到第20槽第f层为第七跨跃段;从第20槽第f层到第20槽第a层为所述第八跨跃段,在所述第八跨跃段内,绕线在第20槽和第26槽之间往复且从所述定子铁芯的径向外侧到径向内侧绕线;从第20槽第a层到第14槽第f层为所述第九跨跃段,在所述第九跨跃段内,绕线在第20槽和第14槽之间往复且从所述定子铁芯的径向内侧到径向外侧绕线;从第14槽第f层到第7槽第f层为第十跨跃段;从第7槽第f层到第7槽第a层为第十一跨跃段,在所述第十一跨跃段内,绕线在第7槽和第13槽之间往复且从所述定子铁芯的径向外侧到径向内侧绕线;从第7槽第a层到第7槽次外层为第十二跨跃段,在所述第十二跨跃段内,绕线在第7槽和第1槽之间往复且从所述定子铁芯的径向内侧到径向外侧绕线;
    其中,第1槽为初始槽,所述初始槽的最外层连接第一引出线;
    至此所述一路绕线的第一圈绕线结束,从所述第三绕组部分开始,所述一路绕线开始绕第二圈;
    在所述第三绕组部分内,第2槽第f层为所述第三绕组部分的起始端,第26槽第f层为所述第三绕组部分的终止端,第7槽次外层与第2槽第f层之间具有连接线以连接所述第二绕组部分的终止端与所述第三绕组部分的起始端;
    所述第三绕组部分包括第十三跨跃段至第十八跨跃段,从第2槽第f层到第43槽第f 层为第十三跨跃段;从第43槽第f层到第43槽第a层为所述第十四跨跃段,在所述第十四跨跃段内,绕线在第43槽和第1槽之间往复且从所述定子铁芯的径向外侧到径向内侧绕线;从第43槽第a层到第37槽第f层为所述第十五跨跃段,在所述第十五跨跃段内,绕线在第43槽和第37槽之间往复且从所述定子铁芯的径向内侧到径向外侧绕线;从第37槽第f层到第32槽第f层为第十六跨跃段;从第32槽第f层到第32槽第a层为所述第十七跨跃段,在所述第十七跨跃段内,绕线在第32槽和第38槽之间往复且从所述定子铁芯的径向外侧到径向内侧绕线;从第32槽第a层到第26槽第f层为所述第十八跨跃段,在所述第十八跨跃段内,绕线在第32槽和第26槽之间往复且从所述定子铁芯的径向内侧到径向外侧绕线;
    在所述第四绕组部分内,第26槽第f层为所述第四绕组部分的起始端,第8槽次外层为所述第四绕组部分的终止端,所述第四绕组部分包括第十九跨跃段至第二十四跨跃段,从第26槽第f层到第19槽第f层为第十九跨跃段;从第19槽第f层到第19槽第a层为所述第二十跨跃段,在所述第二十跨跃段内,绕线在第19槽和第25槽之间往复且从所述定子铁芯的径向外侧到径向内侧绕线;从第19槽第a层到第13槽第f层为所述第二十一跨跃段,在所述第二十一跨跃段内,绕线在第19槽和第13槽之间往复且从所述定子铁芯的径向内侧到径向外侧绕线;从第13槽第f层到第8槽第f层为第二十二跨跃段;从第8槽第f层到第8槽第a层为所述第二十三跨跃段,在所述第二十三跨跃段内,绕线在第8槽和第14槽之间往复且从所述定子铁芯的径向外侧到径向内侧绕线;从第8槽第a层到第8槽次外层为所述第二十四跨跃段,在所述第二十四跨跃段内,绕线在第8槽和第2槽之间往复且从所述定子铁芯的径向内侧到径向外侧绕线;
    其中,终止槽,所述终止槽与初始槽之间存在5个定子槽,所述终止槽的次外层连接第一星点线,并且第7槽的次外层与第二槽的最外层通过桥接线连接。
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