CN109038879A - A kind of motor stator and motor - Google Patents
A kind of motor stator and motor Download PDFInfo
- Publication number
- CN109038879A CN109038879A CN201810897117.2A CN201810897117A CN109038879A CN 109038879 A CN109038879 A CN 109038879A CN 201810897117 A CN201810897117 A CN 201810897117A CN 109038879 A CN109038879 A CN 109038879A
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- slots
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- 239000004020 conductor Substances 0.000 claims abstract description 237
- 238000004804 winding Methods 0.000 claims abstract description 97
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 22
- 229910052742 iron Inorganic materials 0.000 claims description 5
- 238000004519 manufacturing process Methods 0.000 abstract description 19
- 238000000034 method Methods 0.000 abstract description 19
- 238000000465 moulding Methods 0.000 abstract description 6
- 238000009826 distribution Methods 0.000 abstract description 5
- 238000005516 engineering process Methods 0.000 abstract description 5
- 238000010586 diagram Methods 0.000 description 11
- 238000003466 welding Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000001186 cumulative effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 239000008188 pellet Substances 0.000 description 1
- 230000035807 sensation Effects 0.000 description 1
Classifications
-
- 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
- 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
-
- 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
- H02K3/48—Fastening of windings on the stator or rotor structure in slots
-
- 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
Abstract
The present invention relates to motor fields, disclose a kind of motor stator and motor, the motor stator includes stator core, and multiple slots that setting is axially penetrated through along the stator core are equipped with for hollow cylinder and inner surface, and multiple slots are uniformly distributed along the circumferential direction of stator core；Stator coil, including setting multiple winding elements there are three phase winding, each phase winding is formed by more conductor coilings；Every conductor includes the second conductor segment that the first conductor segment and one end are connected to first conductor segment one end, the other end of the other end of the first conductor segment and the second conductor segment by " 8 font " and it is Uncrossed in a manner of form conductor.The present invention by by every conductor along the direction Spiral distribution for being gradually distance from stator core center, every conductor does not intersect radially and circumferentially along stator core, efficiently solve the problems, such as that motor manufacturing process forming technology is complicated in the prior art, and then realize motor in the fabrication process, moulding process is simple, production efficiency is improved, cost is reduced.
Description
Technical field
The present invention relates to motor field more particularly to a kind of motor stators and motor.
Background technique
With the development of technology, the motor as motor and engine is increasingly intended to the rotation of small size, low cost
Rotating motor.
Motor stator includes stator core and stator winding, more conductors of stator winding according to certain rule alternately around
It is located on stator core and forms stator.There are following technical problems for existing motor stator:
The volume of motor stator is larger；In the manufacturing process of motor stator, the winding process of stator winding is cumbersome, forming
Complex process then can make the production efficiency of stator lower, improve production cost.
Summary of the invention
The purpose of the present invention is to provide a kind of motor stators, can simplify the moulding process of stator winding, improve motor
The production efficiency of stator reduces production cost.
To achieve this purpose, the present invention adopts the following technical scheme:
A kind of motor stator, comprising:
Stator core is hollow cylinder, and its inner surface is equipped with and axially penetrates through setting along the stator core
Multiple slots, multiple slots are uniformly distributed along the circumferential direction of the stator core；
Stator coil, including setting multiple winding elements there are three phase winding, each phase winding by more conductor coilings and
At；
The every conductor includes the second conductor segment that the first conductor segment and one end are connected to first conductor segment one end,
The other end of first conductor segment and the other end of the second conductor segment by " 8 font " and it is Uncrossed in a manner of coiling formed it is described
Conductor.
Further, first conductor segment include inside the first half slots, inside the second slot, inside third slot ..., M
Inside slot, second conductor segment includes inside the second half slots, inside the second slot, inside third slot ..., inside N slot,
Middle M, N are greater than the integer equal to 4, and second of one end and second conductor segment inside the first half slots of the first conductor segment
One end inside half slot connects to be formed inside the first slot；
Inside first slot of the every conductor, inside the second slot, inside third slot ... be sequentially contained in multiple default
In each slot in slot, pass through the outer turning part connection of a slot, Mei Gesuo inside the two neighboring slot of each first conductor segment
It states and is connected inside the two neighboring slot of the second conductor segment by the outer turning part of a slot, and two between two neighboring default slot
The outer turning part of a slot is located at the axial ends of stator core.
Further, the stator core is radially and each slot is divided into first by the direction far from center axis thereof
Layer, the second layer ... M layers；
Two slots that the every conductor is placed in the same slot are internally located at the different layers of the stator core, each
Inside second slot of conductor segment, inside third slot ... in, two neighboring slot be internally located at the different layers of the stator core and
Distance to the stator core central axis is gradually increased or is gradually reduced.
Further, two slots that the every conductor is placed in the same slot are internally located at the phase of the stator core
It is two layers adjacent.
Further, inside the second slot of each conductor segment, inside third slot ... in, two neighboring slot is internally located at
Adjacent two layers of the stator core and when being gradually increased to the distance of the stator core central axis, inside first slot
Positioned at the first layer of slot where it, the first layer and second of slot where being located inside two the second slots of the every conductor
Layer or the second layer and third layer.
Further, the outer turning part of each slot includes sequentially connected first connecting portion, turning part and the second connection
Portion, connect the outer turning part of slot inside the first half slots of each first conductor segment and inside the second slot first connecting portion,
Turning part and second connecting portion are located at the same layer of the stator core；
The first connecting portion and second connecting portion of the outer turning part of other described slots are located at the adjacent two layers of the stator core.
Further, except inside the first half slots of first conductor segment of the every conductor of connection and inside the second slot
The outer turning part of slot except, the deflection direction of the outer turning part of other each described slots is consistent.
Further, it is internally located in the same slot inside first slot with the M slot.
Further, except inside the first half slots of first conductor segment of the every conductor of connection and inside the second slot
The outer turning part of slot except, other two described slots positioned at the two neighboring default slot between outside turning part in the stator
The projection of iron core end face is arranged along the radially adjoining of the stator core.
Further, M=N+1, inside the second slot of first conductor segment of the every conductor, in third slot
Portion ..., be located inside the second slot of the second conductor segment inside M slot, inside third slot ..., inside N slot close to institute
State the side of stator core central axis.
Further, the first layer and the second layer of slot where being located inside two the second slots of the every conductor；
It is successively contained in the slot being disposed adjacent inside first slot of the more conductors of each winding element, and adjacent
The minigroove interval of institute between the slots is equal in each winding element inside first slot of two winding elements
Conductor number.
Further, the second layer and third layer of slot where being located inside two the second slots of the every conductor,
It is successively contained in the slot being disposed adjacent inside first slot of the more conductors of the stator coil.
Further, there are two exit, two exits are respectively positioned on and the default slot each conductor tool
The corresponding position in radially portion position；Height where the exit of two of each conductor is below outside the slot
Turning part height where the extreme higher position of the stator core axial direction.
Further, in three be disposed adjacent the default slot, between two default slots being disposed adjacent between
N2 slot is spaced between N1 slot, another two default slot being disposed adjacent.
Further, N1=6 and N2=4 or N1=N2=5.
Further, the number of conductors for forming the stator coil is equal to the quantity of slot formed in the stator core
Half.
To achieve the goals above, the present invention also provides a kind of motors, including above-mentioned motor stator.
Beneficial effects of the present invention: the present invention by by every conductor along the direction spiral for being gradually distance from stator core center
Distribution, and every conductor carries out coiling in a manner of Uncrossed, and any two conductors also do not intersect, and efficiently solve existing skill
The problem of motor manufacturing process forming technology complexity in art, and then moulding process is simplified, production efficiency is improved, life is reduced
Produce cost.
And single conductor forms the number of conductor stator core of stator coil by the way of " 8 " font coiling
The half of the quantity of slot reduces number of conductors, and avoids the too long complex forming technology caused of single conductor length
The problem of.
The exit of all conductors is respectively positioned on position corresponding with the radially portion position of slot is accordingly preset, and along described
The radial of stator core extends to the direction far from the stator core center.The complexity of welding procedure is reduced, is improved
Production efficiency.
Height where the exit of two of each conductor is below the outer turning part of the slot along the stator iron
Mandrel to extreme higher position where height.The height for reducing motor, reduces motor volume, then reduces the production of motor
Cost.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of motor stator described in the embodiment of the present invention one；
Fig. 2 is the position inside each slot of single conductor in the embodiment of the present invention one between each slot of stator core
Relational graph；
Fig. 3 is the structural schematic diagram of winding element described in the embodiment of the present invention one；
Fig. 4 is the structural schematic diagram of the single phase winding in the embodiment of the present invention one in each winding element；
Fig. 5 is the structural schematic diagram of the first conductor segment of the single conductor in the embodiment of the present invention one；
Fig. 6 is the structural schematic diagram of the second conductor segment of the single conductor in the embodiment of the present invention one；
Fig. 7 is the main view of the expansion view of single conductor；
Fig. 8 is the top view of the expansion view of single conductor；
Fig. 9 is the top view of stator coil described in the embodiment of the present invention one；
Figure 10 is the partial enlargement diagram in Fig. 5 at I；
Figure 11 is the structural schematic diagram of stator coil described in the embodiment of the present invention one；
Connection schematic diagram in Figure 12 embodiment of the present invention one between the exit of every conductor；
Figure 13 to Figure 18 is the assembling flow path figure of motor stator described in the embodiment of the present invention one；
Figure 19 is the expanded schematic diagram of single conductor in the embodiment of the present invention two；
Figure 20 is the structural schematic diagram of the single phase winding in the embodiment of the present invention two in each winding element；
Figure 21 is the structural schematic diagram of stator coil in the embodiment of the present invention two.
In figure:
1, stator core；11, iron core block；
101, the first slot；102, the second slot；103, third slot；104, the 4th slot；105, the 5th slot；106, the 6th slot；
107, the 7th slot；
113, the 13rd slot；114, the 14th slot；115, the 15th slot；116, the 16th slot；117, the 17th slot；118,
18th slot；119, the 19th slot；
125, the 25th slot；126, the 26th slot；127, the 27th slot；128, the 28th slot；129, second
19 slots；130, the 30th slot；131, the 31st slot；
137, the 37th slot；138, the 38th slot；139, the 39th slot；140, the 40th slot；141, the 40th
One slot；142, the 42nd slot；143, the 43rd slot；
151, first layer；152, the second layer；153, third layer；154, the 4th layer；155, layer 5；156, layer 6；
157, layer 7；158, the 8th layer；
2, stator coil；21, U phase winding；22, V phase winding；23, W phase winding；
30, the first conductor segment；40, the second conductor segment；
301, inside the first slot；3011, inside the first half slots；3012, inside the second half slots；302, inside the second slot；
303, inside third slot；304, inside the 4th slot；305, inside the 5th slot；306, inside the 6th slot；307, inside the 7th slot；
308, inside the 8th slot；309, inside the 9th slot；
3201, first connecting portion；3202, turning part；3203, second connecting portion；
321, the outer turning part of the first slot；322, the outer turning part of the second slot；323, the outer turning part of third slot；324, outside the 4th slot
Turning part；325, the outer turning part of the 5th slot；326, the outer turning part of the 6th slot；327, the outer turning part of the 7th slot；328, outside the 8th slot
Turning part；
34, the first exit；35, the second exit；36, U phase exit；37, V phase exit；38, W phase exit.
Specific embodiment
To keep the technical problems solved, the adopted technical scheme and the technical effect achieved by the invention clearer, below
In conjunction with attached drawing and pass through specific embodiment to further illustrate the technical scheme of the present invention.It is understood that this place is retouched
The specific embodiment stated is used only for explaining the present invention rather than limiting the invention.It also should be noted that in order to just
Only the parts related to the present invention are shown in description, attached drawing and it is not all.
Embodiment one
As shown in Fig. 1 to 18, a kind of motor stator, including stator core 1 and stator coil 2 are present embodiments provided, such as
Shown in Fig. 2, wherein stator core 1 is hollow cylindrical structure, and its inner surface is equipped with along axially extending more of stator core 1
A slot, multiple slots are uniformly distributed along the circumferential direction of stator core 1, and each slot axially penetrates through setting along stator core 1.
Specifically, stator core 1 includes multiple iron core blocks 11, and each iron core block 11 is equipped with a slot, two neighboring iron
A slot is formed between pellet 11.In the present embodiment, iron core block 11 is equipped with 24,24 iron core blocks 11 surround one it is hollow and be
Cylindrical stator core 1, and it is respectively formed a slot between two iron core blocks 11 of arbitrary neighborhood, therefore, said stator iron core 1 is total
48 slots are formed, 48 slots are uniformly distributed along the circumferential direction of stator core 1, and the structure of each slot is identical.48 slots are respectively
One slot 101, the second slot 102, third slot 103 ..., the 48th slot, along the circumferencial direction of stator core 1, successively according to interval
The slot of five slots distribution forms above-mentioned default slot, wherein N1=5.Above-mentioned each iron core block 11 presses shape by multiple magnetic links
At can also press to form above-mentioned iron core block 11 using multiple sheet metals certainly.
As shown in figure 3, stator coil 2 is made of 4 winding elements, each winding element includes three phase windings, respectively
For U phase winding 21, V phase winding 22, W phase winding 23, each phase winding includes 2 conductors, correspondingly, stator coil 2 is by 24
Conductor coiling forms, and forms the half of the quantity of the slot formed in stator core 1 on the number of conductors of said stator coil 2.When
The number of right winding element, the quantity for the conductor radical and slot for constituting each phase winding 21 are not limited in above-mentioned quantity, have
Body can determine according to actual needs, but need to guarantee the number of winding element, constitute the conductor radical of each phase winding 21 with
The quantity of slot matches.
As shown in figure 4, each phase winding includes two conductors, the winding method of two conductors is identical, specifically, every is led
Body includes the second conductor segment 40 that the first conductor segment 30 and one end are connected to 30 one end of the first conductor segment, the first conductor segment 30 it is another
The other end of one end and the second conductor segment 40 by " 8 font " and it is Uncrossed in a manner of coiling form above-mentioned conductor.
As shown in Figure 5 and Figure 6, the first conductor segment 30 includes 302, third slot inside the 3011, second slot inside the first half slots
Inside 303 ..., inside M slot, the second conductor segment 40 includes inside the second half slots inside the 3012, second slot in 302, third slot
Portion 303 ..., inside N slot, wherein M, N are greater than the integer equal to 4,3011 inside the first half slots of the first conductor segment 30
One end and the second conductor segment 40 the second half slots inside 3012 one end connect to be formed 301 inside the first slot.M in the present embodiment
=N+1, by taking N=8 as an example.
The specific structure and winding method of every conductor are specifically described below with reference to Fig. 1 to Figure 12.
As shown in Figure 4 and Figure 5, every conductor includes the first exit 34 and the second exit 35, along the diameter of stator core 1
To direction, side where stator core inner wall is referred to as on the inside of stator core, and side where stator core outer wall is referred to as stator core
Outside, the first exit 34 and the second exit 35 are located on the outside of stator core.
As shown in Figures 5 to 7, wherein the first conductor segment 30 includes inside the first half slots inside the 3011, second slot
302 ..., 309 inside the 9th slot, the second conductor segment 40 includes inside the second half slots 302 inside the 3012, second slot ..., the 8th
308 inside slot, inside the first half slots of every conductor 3011 one end connected with inside the second half slots 3012 one end to be formed it is every
301 inside first slot of root conductor, 301 to the 8th slots inside, 308 sequences are contained in every in multiple default slots inside the first slot
In one slot, it follows that being internally located at the same slot with the n-th slot of the second conductor segment 40 inside the n-th slot of the first conductor segment 30
It is interior, wherein n=2,3,4,5,6,7,8.
As shown in Fig. 2, Fig. 8 and Fig. 9, stator core 1 is radially and each slot is drawn in the direction far from center axis thereof
Be divided into first layer 151, the second layer 152 ... M layers, M=8.In the present embodiment, the section of conductor is rectangle, and every layer along fixed
The radial length of sub- iron core 1 is approximately equal to the width of cross-sectional area of conductor, and each slot is approximately equal to conductor along the circumferential lengths of stator core and cuts
The length in face.Two slots that every conductor is placed in same slot are internally located at the adjacent two layers of the slot, and 301 are set to inside the first slot
The first layer 151 of slot where it, inside two the second slots of every conductor 302 be located at where slot first layer 151 and the
Two layer 152 or the second layer 152 and third layer 153.
In the present embodiment, 302 are located in same slot and are located at place slot inside two the second slots of every conductor
First layer 151 and the second layer 152, inside the first slot 301 and first conductor segment 30 the 9th slot inside 309 be located in same slot and
The first layer 151 of slot where being located at and the 8th layer 158.Inside second slot of each conductor segment inside 302, third slot
303, in ..., two neighboring slot be internally located at the adjacent two layers of stator core 1 and to 1 central axis of stator core distance by
It is cumulative big or be gradually reduced；In the present embodiment with 302 inside the second slot of each conductor segment, 303 inside third slot ... in, phase
For adjacent two slots are internally located at the adjacent two layers of stator core 1 and are gradually increased to the distance of 1 central axis of stator core.
And inside the second slot of the first conductor segment 30 of every conductor 303 inside 302, third slot ..., in the 8th slot
Portion is located at 302 inside the second slot of the second conductor segment 40,303 inside third slot ..., inside the 9th slot close to described fixed
The side of sub- 1 central axis of iron core.
Specifically, as shown in Fig. 2, the first slot inside 301 is placed in the first layer 151 of the first slot 101；First conductor segment 30
Second slot inside 302 is placed in the first layer 151 of the 7th slot 107, and 302 are placed in the 7th slot inside the second slot of the second conductor segment 40
107 second layer 152；The third slot inside 303 of first conductor segment 30 is placed in the second layer 152 of the 13rd slot 113, the second conductor
The third slot inside 303 of section 40 is placed in the third layer 153 of the 13rd slot 113；304 are placed in inside 4th slot of the first conductor segment 30
The third layer 153 of 19th slot 119, the 4th slot inside 304 of the second conductor segment 40 are placed in the 4th layer 154 of the 19th slot 119；
The 5th slot inside 305 of first conductor segment 30 is placed in the 4th layer 154 of the 25th slot 125, the 5th slot of the second conductor segment 40
Inside 305 is placed in the layer 5 155 of the 25th slot 125；306 are placed in the 31st slot inside 6th slot of the first conductor segment 30
131 layer 5 155, the 6th slot inside 306 of the second conductor segment 40 are placed in the layer 6 156 of the 31st slot 131；First leads
The 7th slot inside 307 of body section 30 is placed in the layer 6 156 of the 37th slot 137, the 7th slot inside 307 of the second conductor segment 40
It is placed in the layer 7 157 of the 37th slot 137；308 are placed in the of the 43rd slot 143 inside 8th slot of the first conductor segment 30
Seven layer 157, the 8th slot inside 308 of the second conductor segment 40 is placed in the 8th layer 158 of the 43rd slot 143, the first conductor segment 30
The 9th slot inside 309 be placed in the 8th layer 158 of the first slot 101.
It is connected, and is located at two neighboring default by turning part outside a slot inside the two neighboring slot of length direction of conductor
The outer turning part of two slots between slot is located at the axial ends of stator core 1.
Specifically, as shown in figure 5, the first conductor segment 30 further includes 302 inside the first slot of connection inside 301 and the second slot
The outer turning part 321 of first slot, inside the second slot of connection 302 and third slot inside 303 the outer turning part 322 of the second slot, connection the
The outer turning part 323 of 304 third slot inside three slots inside 303 and the 4th slot, connects inside the 4th slot inside 304 and the 5th slot
The outer turning part 324 of 305 the 4th slot, the outer turning part 325 of the 5th slot of the 5th slot of connection inside 305 and the 6th slot inside 306, even
The outer turning part 326 of the 6th slot for connecing inside the 6th slot inside 306 and the 7th slot 307, connects in the 7th slot inside 307 and the 8th slot
The outer turning part 327 of 7th slot in portion 308, the outer turning part 328 of the 8th slot of the 8th slot of connection inside 308 and the 9th slot inside 309.
As shown in fig. 6, the second conductor segment 40 further includes the first slot for connecting inside the first slot inside 301 and the second slot 302
The outer turning part 322 of the second slot of outer turning part 321, the second slot of connection inside 302 and third slot inside 303, connects in third slot
The outer turning part 323 of 304 third slot inside portion 303 and the 4th slot, inside the 4th slot of connection 304 and the 5th inside slot 305 the
The outer turning part 324 of four slots, the outer turning part 325 of the 5th slot of the 5th slot of connection inside 305 and the 6th slot inside 306, connection the 6th
The outer turning part 326 of 307 the 6th slot inside slot inside 306 and the 7th slot, the 7th slot of connection inside 307 and the 8th slot inside 308
The outer turning part 327 of the 7th slot.
Wherein the outer turning part of the two neighboring slot of the first conductor segment 30 is located at the axial ends of stator core 1, and second
The outer turning part of the two neighboring slot of conductor segment 40 is located at the axial ends of stator core 1；And it is located at two neighboring default
The outer turning part of two slots between slot is located at the axial ends of stator core 1.
As shown in Figure 5 and Figure 6, the outer turning part 321 of the first slot of the first conductor segment 30, the outer turning part the 323, the 5th of third slot
The outer turning part 322 of the second slot of the outer turning part 325 of slot, the outer turning part 327 of the 7th slot and the second conductor segment 40, the 4th slot are turned outside
Portion 324, the outer turning part 326 of the 6th slot are located at axial one end of stator core 1, and with the first exit 34 and the second exit 35
Positioned at axial the same end of stator core 1.The outer turning part 322 of second slot of the first conductor segment 30, the outer turning part 324 of the 4th slot,
Outside the outer turning part 321 of the first slot of the outer turning part 326 of 6th slot, the outer turning part 328 of the 8th slot and the second conductor segment 40, third slot
Turning part 323, the outer turning part 325 of the 5th slot, the outer turning part 327 of the 7th slot are located at the axial other end of stator core 1.
As shown in figs, the outer turning part of each slot includes sequentially connected first connecting portion 3201, turning part 3202
With second connecting portion 3203,3011 and second are connected inside the first half slots of the first conductor segment 30 of each conductor 302 inside slot
First connecting portion 3201, turning part 3202 and the second connecting portion 3203 of the outer turning part of slot be located at the same layer of stator core 1,
Projection of the first connecting portion 3201 and third interconnecting piece 3203 of the outer turning part of other each slots in 1 end face of stator core is respectively positioned on
The adjacent two layers of stator core 1.And except 3011 and second inside the first half slots of the first conductor segment 30 of every conductor of connection
Inside slot except the outer turning part of 302 slot, the deflection direction of the outer turning part of each slot is consistent, and be located at two neighboring default slot it
Between projection of the outer turning part of two slots in 1 end face of stator core be arranged along the radially adjoining of stator core 1.
Specifically, as shown in Fig. 5, Fig. 6 and Figure 10,3011 and second slot inside the first half slots of the first conductor segment 30 of connection
First connecting portion 3201, turning part and the second connecting portion 3203 of the outer turning part 321 of first slot of inside 302 are respectively positioned on stator iron
The first layer 151 of core 1 connects inside the second slot inside 302 and third slot of the first conductor segment 30 303 outer turning part of the second slot
322 first connecting portion 3201, second connecting portion 3203 are located at the first layer 151 and the second layer 152 of stator core 1, even
Connect the first connecting portion of inside the third slot inside 303 and the 4th slot of the first conductor segment 30 304 outer turning part 323 of third slot
3201, second connecting portion 3203 is located at the second layer 152 and third layer 153 of stator core 1, the first conductor segment 30 of connection
First connecting portion 3201, the second connecting portion of the outer turning part 324 of 305 the 4th slot inside 4th slot inside 304 and the 5th slot
3203 are located at the third layer 153 of stator core 1 and the 4th layer 154, connect 305 Hes inside the 5th slot of the first conductor segment 30
First connecting portion 3201, the second connecting portion 3203 of the outer turning part 325 of 306 the 5th slot are located at stator iron inside 6th slot
The 4th layer 154 of core 1 and layer 5 155, connect inside the 6th slot of the first conductor segment 30 306 and the 7th inside slot 307 the
First connecting portion 3201, the second connecting portion 3203 of the outer turning part 326 of six slots are located at 155 and of layer 5 of stator core 1
Layer 6 156,307 and the 8th first connecting portion 3201 of the 308 outer turning part 327 of the 7th slot inside slot, the inside the 7th slot
Two interconnecting pieces 3203 are located at the layer 6 156 and layer 7 157 of stator core 1, connect the 8th slot of the first conductor segment 30
First connecting portion 3201, the second connecting portion 3203 of the outer turning part 328 of 309 the 8th slot are distinguished inside inside 308 and the 9th slot
Positioned at the layer 7 157 of stator core 1 and the 8th layer 158.
Connect inside the second half slots of the second conductor segment 40 3012 and second inside slot 302 the outer turning part 321 of the first slot
First connecting portion 3201, second connecting portion 3203 be located at the first layer 151 and the second layer 152 of stator core 1, connection the
The first connecting portion 3201 of the outer turning part 322 of the second slot of the second slot inside 302 and third slot inside 303 of two conductor segments 40,
Second connecting portion 3203 is located at the second layer 152 and third layer 153 of stator core 1, connects the third of the second conductor segment 40
First connecting portion 3201, the second connecting portion 3203 of the outer turning part 323 of 304 third slot are divided inside slot inside 303 and the 4th slot
Not Wei Yu stator core 1 third layer 153 and the 4th layer 154, connect inside the 4th slot of the second conductor segment 40 304 and the 5th slot
First connecting portion 3201, the second connecting portion 3203 of the outer turning part 324 of 4th slot of inside 305 are located at stator core 1
4th layer 154 and layer 5 155 connect inside the 5th slot inside 305 and the 6th slot of the second conductor segment 40 outside 306 the 5th slot
First connecting portion 3201, the second connecting portion 3203 of turning part 325 are located at the layer 5 155 and layer 6 of stator core 1
156, connect inside the 6th slot inside 306 and the 7th slot of the second conductor segment 40 307 outer turning part 326 of the 6th slot first connects
Socket part 3201, second connecting portion 3203 are located at the layer 6 156 and layer 7 157 of stator core 1, connect the second conductor segment
The first connecting portion 3201, second of the outer turning part 327 of 308 the 7th slot connects inside 40 the 7th slot inside 307 and the 8th slot
Portion 3203 be located at stator core 1 layer 7 157 and the 8th layer 158.
It is capable of forming the conductor along the direction Spiral distribution for being gradually distance from 1 center of stator core by above-mentioned setting, and
So that every conductor is with " 8 font " and not interleaved mode progress coiling, i.e., parallel winding method, single conductor is without intersection, coiling
Mode is simple；And the first slot inside 301 of every conductor can be made to be respectively positioned on the most interior of stator core 1 by above-mentioned setting
Layer, the radially portion position pair for making the first exit 34 of each conductor, the second exit 35 be respectively positioned on and accordingly preset slot
The position answered.
First exit 34 of every conductor, the second exit 35 are along the radial to far from stator core 1 of stator core 1
The direction at center extends；Height where two exits of each conductor is below the outer turning part of slot along 1 axial direction of stator core
Height where extreme higher position.The volume of stator coil 2 can be reduced by above-mentioned setting, then reduce the volume of entire motor.
As shown in figure 11,301 are successively contained in and are disposed adjacent inside the first slot of more conductors of each winding element
In slot, and inside the first slot of two neighboring winding element 301 institute minigroove intervals between the slots equal to each winding element
In conductor number.In the present embodiment, each winding element has six roots of sensation conductor, wherein two U phase conductors, two V phase conductors, two
Root W phase conductor.
Specifically, the first conductor of the U phase winding 21 of the first winding element is U1 as shown in Fig. 3 and Fig. 8, Figure 11, the
301 are placed in the first layer 151 in the first slot 101 inside one slot, then the second conductor of U phase winding 21 is U2, inside the first slot
301 are placed in the first layer 151 in the second slot 102, and the first conductor of V phase winding 22 is V1, and the first slot inside 301 is placed in third
First layer 151 in slot 103, the second conductor of V phase winding 22 are V2, and 301 are placed in the in the 4th slot 104 inside the first slot
First conductor of one layer of 151, W phase winding 23 is W1, and the first slot inside 301 is placed in the first layer 151 in the 5th slot 105, W phase
Second conductor of winding 23 is W2, and the first slot inside 301 is placed in the first layer 151 in the 6th slot 106.
Then the first conductor of the U phase winding 21 of the second winding element is U3, and the first slot inside 301 is placed in the 13rd slot
First layer 151 in 113, the second conductor of U phase winding 21 are U4, and 301 are placed in the in the 14th slot 114 inside the first slot
One layer 151；First conductor of V phase winding 22 is V3, and the first slot inside 301 is placed in the first layer 151, V in the 15th slot 115
Second conductor of phase winding 22 is V4, and the first slot inside 301 is placed in the first layer 151 in the 16th slot 116, W phase winding 23
The first conductor be W3,301 are placed in the first layer 151 in the 17th slot 117 inside the first slot, and the second of W phase winding 23 is led
Body is W4, and the first slot inside 301 is placed in the first layer 151 in the 18th slot 118.
First conductor of the U phase winding 21 of tertiary winding unit is U5, and the first slot inside 301 is placed in the 25th slot
First layer 151 in 125, then the second conductor of U phase winding 21 is U6, and the first slot inside 301 is placed in the 26th slot 126
First layer 151；First conductor of V phase winding 22 is V5, and the first slot inside 301 is placed in first in the 27th slot 127
Second conductor of 151, V of layer phase winding 22 is V6, and the first slot inside 301 is placed in the first layer 151, W in the 28th slot 128
First conductor of phase winding 23 is W5, and the first slot inside 301 is placed in the first layer 151 in the 29th slot 129, W phase winding
23 the second conductor is W6, and the first slot inside 301 is placed in the first layer 151 in the 30th slot 130.
First conductor of the U phase winding 21 of the 4th winding element is U7, and the first slot inside 301 is placed in the 37th slot
First layer 151 in 137, then the second conductor of U phase winding 21 is U8, and the first slot inside 301 is placed in the 38th slot 138
First layer 151；First conductor of V phase winding 22 is V7, and the first slot inside 301 is placed in first in the 39th slot 139
Second conductor of 151, V of layer phase winding 22 is V8, and the first slot inside 301 is placed in the first layer 151 in the 40th slot 140, W phase
First conductor of winding 23 is W7, and the first slot inside 301 is placed in the first layer 151 in the 41st slot 141, W phase winding 23
The second conductor be W8,301 are placed in the first layer 151 in the 42nd slot 142 inside the first slot.
It is arranged by above-mentioned conductor, so that adjacent conductor does not intersect in the radially and circumferentially uniformly distributed of stator core 1, and
And successively coiling in a spiral manner.
As shown in figure 11, in welding, the first conductor of U phase winding 21 and two exits of the second conductor are successively welded,
That is U1, U2, U3 ..., U8 head and the tail be in turn connected to form two exits of U phase winding 21；First conductor of V phase winding 22 and
Two exits of the second conductor successively weld, i.e. V1, V2, V3 ..., V8 head and the tail be in turn connected to form two of V phase winding 22
Exit；First conductor of W phase winding 23 and two exits of the second conductor successively weld, i.e. W1, W2, W3 ..., W8 it is first
Tail is in turn connected to form two exits of W phase winding 23.Wherein an exit of U phase winding 21, one of V phase winding 22
Exit, W phase winding 23 an exit be welded together, another exit of U phase winding 21, V phase winding 22 it is another
One exit, W phase winding 23 another exit successively weld and form U phase exit 36, V phase exit 37, W phase and draw
End 38, U phase exit 36, V phase exit 37, W phase exit 38 are for connecting external power supply.
If Figure 13 to Figure 18 is the assembling flow path figure of motor stator in the present embodiment, below with reference to Figure 13 to Figure 18 to motor
The assemble method of stator is described in detail, specifically includes the following steps:
S1, every conductor is turned into single coil unit with " 8 " font, and the annulus being distributed according to spiral shape will be rolled into
Structure；
S2, the formation of every two conductors are respectively formed a U phase winding, V phase winding, W phase winding, by U phase winding, a V
Phase winding, W phase winding coiling form a winding element.
S3, four axial insertings of winding elements progress are formed into stator coil 2.
S4, stator core 1 is inserted into stator coil 2 by the outer radial of stator coil 2, forms motor stator.
Using above-mentioned assembling mode, step S2 and step S3 can directly carry out axial inserting, without radially and circumferentially outer
Power is quickly and expediently installed, and improves the packaging efficiency in motor assembling process.
The present embodiment by by every conductor along the direction Spiral distribution for being gradually distance from 1 center of stator core, and every
Conductor carries out coiling in a manner of Uncrossed, and any two conductors also do not intersect, and efficiently solves motor manufacturing in the prior art
The problem of process forming technology complexity, and then moulding process is simplified, production efficiency is improved, production cost is reduced.
And single conductor makes 1 shape of number of conductor stator core of stator coil 2 by the way of " 8 " font coiling
The half of the quantity of grooving reduces number of conductors, and it is multiple to avoid the too long moulding process caused of single conductor length
Miscellaneous problem.
The exit of all conductors is respectively positioned on position corresponding with the radially portion position of slot is accordingly preset, and along stator
The radial of iron core 1 extends to the direction far from 1 center of stator core.The complexity for reducing welding procedure improves production
Efficiency.
Height where two exits of each conductor is below the outer turning part of the slot extreme higher position axial along stator core 1
Place height.The height for reducing motor, reduces motor volume, then reduces the production cost of motor.
The present embodiment additionally provides a kind of motor, including above-mentioned motor stator, can reduce motor volume, simplify motor
Moulding process, improve production efficiency, reduce production cost.
Embodiment two
The difference between this embodiment and the first embodiment lies in referring to Fig.1 9 to shown in Figure 21, two conductors in each phase winding
Two neighboring slot inside between slot interval it is different, specifically, wherein the slot between the two neighboring slot inside of a conductor
Interval is sequentially distributed according to 4,6, and the slot interval between the two neighboring slot inside of another conductor is sequentially distributed according to 6,4.It is real
The winding method for applying stator coil in example two is the same as example 1, no longer superfluous in detail herein to chat.
Obviously, the above embodiment of the present invention is just for the sake of clearly illustrating examples made by the present invention, and being not is pair
The restriction of embodiments of the present invention.For those of ordinary skill in the art, may be used also on the basis of the above description
To make other variations or changes in different ways.There is no necessity and possibility to exhaust all the enbodiments.It is all this
Made any modifications, equivalent replacements, and improvements etc., should be included in the claims in the present invention within the spirit and principle of invention
Protection scope within.
Claims (17)
1. a kind of motor stator characterized by comprising
Stator core (1) is hollow cylinder, and its inner surface is equipped with and axially penetrates through setting along the stator core (1)
Multiple slots, multiple slots are uniformly distributed along the circumferential direction of the stator core (1)；
Stator coil (2), including setting multiple winding elements there are three phase winding, each phase winding by more conductor coilings and
At；
The every conductor includes that the first conductor segment (30) and one end are connected to the second of described first conductor segment (30) one end and lead
Body section (40), the other end of first conductor segment (30) and the other end of the second conductor segment (40) with " 8 font " and do not intersect
Mode coiling form the conductor.
2. motor stator according to claim 1, which is characterized in that first conductor segment (30) includes in the first half slots
Portion (3011), (302) inside the second slot, (303) inside third slot ..., inside M slot, second conductor segment (40) includes
(303) inside (302) inside (3012) inside the second half slots, the second slot, third slot ..., inside N slot, wherein M, N are
Integer more than or equal to 4, the one end of (3011) and second conductor segment (40) inside the first half slots of the first conductor segment (30)
The second half slots inside the one end of (3012) connect to be formed inside the first slot (301)；
(303) inside (302) inside (301) inside first slot of every conductor, the second slot, third slot ... sequence accommodates
In each slot in multiple default slots, by turning outside a slot inside the two neighboring slot of each first conductor segment (30)
Portion's connection, the two neighboring slot inside of each second conductor segment (40) are located at adjacent by the outer turning part connection of a slot
The outer turning part of two slots between two default slots is located at the axial ends of stator core (1).
3. motor stator according to claim 2, which is characterized in that the stator core (1) is radially and far from it
The direction of central axis by each slot be divided into first layer (151), the second layer (152) ... M layers；
Two slots that the every conductor is placed in the same slot are internally located at the different layers of the stator core (1), each
(303) inside (302) inside second slot of conductor segment, third slot ... in, two neighboring slot is internally located at the stator core
(1) it different layers and is gradually increased or is gradually reduced to the distance of the stator core (1) central axis.
4. motor stator according to claim 3, which is characterized in that the every conductor is placed in two in the same slot
A slot is internally located at the adjacent two layers of the stator core (1).
5. motor stator according to claim 4, which is characterized in that (302), the inside the second slot of each conductor segment
Three slots inside (303) ... in, two neighboring slot is internally located at the adjacent two layers of the stator core (1) and arrives the stator iron
When the distance of core (1) central axis is gradually increased, the first layer (151) of slot where (301) are located at it inside first slot, often
The first layer (151) and the second layer (152) or second of slot where (302) are located inside two the second slots of conductor described in root
Layer (152) and third layer (153).
6. motor stator according to claim 3, which is characterized in that the outer turning part of each slot includes sequentially connected
First connecting portion (3201), turning part (3202) and second connecting portion (3203) connect each first conductor segment (30)
The slot of (302) first connecting portion (3201) of turning part, turning part outside inside (3011) and the second slot inside first half slots
(3202) and second connecting portion (3203) is located at the same layer of the stator core (1)；
The first connecting portion (3201) and second connecting portion (3203) of the outer turning part of other described slots are located at the stator core (1)
Adjacent two layers.
7. motor stator according to claim 6, which is characterized in that except first conductor of the every conductor of connection
The slot of (302) is outside except turning part inside (3011) and the second slot inside the first half slots of section (30), outside other each described slots
The deflection direction of turning part is consistent.
8. motor stator according to claim 2, which is characterized in that inside first slot in (301) and the M slot
Portion is located in the same slot.
9. motor stator according to claim 2, which is characterized in that except first conductor of the every conductor of connection
Inside the first half slots of section (30) inside (3011) and the second slot except the outer turning part of slot of (302), other are positioned at two neighboring
Turning part is in the projection of the stator core (1) end face along the stator core outside two slots between the default slot
(1) radially adjoining setting.
10. motor stator according to claim 2, which is characterized in that M=N+1, described the first of the every conductor are led
(303) inside (302) inside second slot of body section (30), third slot ..., be located at the second conductor segment (40) inside M slot
The second slot inside (302), (303) inside third slot ..., inside N slot close to the stator core (1) central axis
Side.
11. motor stator according to claim 5, which is characterized in that inside two the second slots of the every conductor
(302) first layer (151) and the second layer (152) of slot where being located at；The more conductors of each winding element
The first slot inside (301) be successively contained in the slot being disposed adjacent, and described the of the two neighboring winding element
The minigroove interval of (301) institute between the slots is equal to the conductor number in each winding element inside one slot.
12. motor stator according to claim 5, which is characterized in that inside two the second slots of the every conductor
(302) second layer (152) and third layer (153) of slot where being located at, the more conductors of the stator coil (2)
(301) are successively contained in the slot being disposed adjacent inside first slot.
13. motor stator according to claim 2, which is characterized in that each conductor tool is there are two exit, and two
The exit is respectively positioned on position corresponding with the radially portion position of the default slot；Described in two of each conductor
Height where exit is below the outer turning part of slot height where the extreme higher position of the stator core (1) axial direction.
14. motor stator according to claim 2, which is characterized in that in three be disposed adjacent the default slot, a phase
It is spaced N1 slot between two default slots of neighbour's setting, is spaced N2 between another two default slot being disposed adjacent
A slot.
15. motor stator according to claim 14, which is characterized in that N1=6 and N2=4 or N1=N2=5.
16. motor stator according to claim 1, which is characterized in that form the number of conductors etc. of the stator coil (2)
The half of the quantity of the slot formed in the stator core (1).
17. a kind of motor, which is characterized in that including the described in any item motor stators of claim 1 to 16.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810897117.2A CN109038879A (en) | 2018-08-08 | 2018-08-08 | A kind of motor stator and motor |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810897117.2A CN109038879A (en) | 2018-08-08 | 2018-08-08 | A kind of motor stator and motor |
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| CN109038879A true CN109038879A (en) | 2018-12-18 |
Family
ID=64632308
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| CN201810897117.2A Pending CN109038879A (en) | 2018-08-08 | 2018-08-08 | A kind of motor stator and motor |
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| CN (1) | CN109038879A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020147719A1 (en) * | 2019-01-17 | 2020-07-23 | 天津市松正电动汽车技术股份有限公司 | Motor winding and motor stator |
| CN113193717A (en) * | 2020-01-14 | 2021-07-30 | 浙江盘毂动力科技有限公司 | Axial magnetic field motor, stator assembly and stator winding process |
| CN113839500A (en) * | 2020-06-23 | 2021-12-24 | 比亚迪股份有限公司 | Stator assembly and motor |
| AT524972A1 (en) * | 2021-04-28 | 2022-11-15 | Miba Emobility Gmbh | Stator for an electric machine |
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| CN105432000A (en) * | 2013-08-26 | 2016-03-23 | 三菱电机株式会社 | Rotary electrical machine |
| KR101803879B1 (en) * | 2017-07-21 | 2017-12-04 | 엘지전자 주식회사 | Stator for rotrary electric machine and manufacturing method thereof |
| CN208479296U (en) * | 2018-08-08 | 2019-02-05 | 天津大西槐精密机械有限公司 | A kind of motor stator and motor |
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2018
- 2018-08-08 CN CN201810897117.2A patent/CN109038879A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105432000A (en) * | 2013-08-26 | 2016-03-23 | 三菱电机株式会社 | Rotary electrical machine |
| KR101803879B1 (en) * | 2017-07-21 | 2017-12-04 | 엘지전자 주식회사 | Stator for rotrary electric machine and manufacturing method thereof |
| CN208479296U (en) * | 2018-08-08 | 2019-02-05 | 天津大西槐精密机械有限公司 | A kind of motor stator and motor |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020147719A1 (en) * | 2019-01-17 | 2020-07-23 | 天津市松正电动汽车技术股份有限公司 | Motor winding and motor stator |
| CN113193717A (en) * | 2020-01-14 | 2021-07-30 | 浙江盘毂动力科技有限公司 | Axial magnetic field motor, stator assembly and stator winding process |
| CN113193717B (en) * | 2020-01-14 | 2022-04-29 | 浙江盘毂动力科技有限公司 | Axial magnetic field motor, stator assembly and stator winding process |
| CN113839500A (en) * | 2020-06-23 | 2021-12-24 | 比亚迪股份有限公司 | Stator assembly and motor |
| CN113839500B (en) * | 2020-06-23 | 2023-07-11 | 比亚迪股份有限公司 | Stator assembly and motor |
| AT524972A1 (en) * | 2021-04-28 | 2022-11-15 | Miba Emobility Gmbh | Stator for an electric machine |
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Effective date of registration: 20200818 Address after: No. 1, Xishidao, Free Trade Zone (Airport Economic Zone) of Tianjin Binhai New Area, 300300 Applicant after: TIANJIN SANTROLL ELECTRIC AUTOMOBILE TECHNOLOGY Co.,Ltd. Address before: 300300 Dongli, Tianjin, Huaming high tech Industrial Zone, Hong Shun Tung Road 857-15. Applicant before: TIANJIN DAXIHUAI PRECISION MACHINERY Co.,Ltd. |
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Effective date of registration: 20211111 Address after: 300300 Building 1, block B, No. 1, Xishi Road, pilot free trade zone (Airport Economic Zone), Binhai New Area, Tianjin Applicant after: Tianjin Songzheng Auto Parts Co.,Ltd. Address before: 300300 No. 1, Xishi Road, free trade zone (Airport Economic Zone), Binhai New Area, Tianjin Applicant before: TIANJIN SANTROLL ELECTRIC AUTOMOBILE TECHNOLOGY Co.,Ltd. |
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Address after: Free House R&D Building, No. 69, West 11th Road, Tianjin Free Trade Pilot Zone (Airport Economic Zone), Binhai New Area, Tianjin 300300 Applicant after: BorgWarner Powertrain (Tianjin) Co.,Ltd. Address before: 300300 Building 1, block B, No. 1, Xishi Road, pilot free trade zone (Airport Economic Zone), Binhai New Area, Tianjin Applicant before: Tianjin Songzheng Auto Parts Co.,Ltd. |
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