CN104901447B - Motor stator and its winding structure - Google Patents
Motor stator and its winding structure Download PDFInfo
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- CN104901447B CN104901447B CN201410077661.4A CN201410077661A CN104901447B CN 104901447 B CN104901447 B CN 104901447B CN 201410077661 A CN201410077661 A CN 201410077661A CN 104901447 B CN104901447 B CN 104901447B
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Abstract
A kind of motor stator includes iron core and multigroup winding structure.Formed with multiple winding slots on iron core.Winding structure includes the first wire and the second wire, and the first wire includes the first segmental arc, the first pin and the second pin, and the second wire includes the second segmental arc, the 3rd pin and four-limbed.First pin and the second pin include main body and convexedly stretch in main body both ends and the connecting portion towards opposite sides extension and convex extension part.3rd pin and four-limbed include main body and convexedly stretch in main body both ends and the connecting portion towards homonymy extension and convex extension part.Each winding slot contains the main body of four-limbed, the main body of the second pin, the main body of the 3rd pin and the main body of the first pin successively from close to the direction of one end towards the outer surface of iron core inner surface.The first segmental arc and the second segmental arc of multigroup winding structure are alternately arranged along the circumferencial direction of iron core.The present invention also provides winding structure used by above-mentioned motor stator.
Description
Technical field
The present invention relates to a kind of motor, more particularly to a kind of motor stator and its winding structure.
Background technology
Motor stator includes iron core and multigroup coil, and formed with multiple line embedding grooves on iron core, multigroup coil winding is multiple
In line embedding groove.Existing stator typically forms multigroup coil using multiple special-shaped rule group coilings in line embedding groove.It is each special-shaped
Rule group includes interior special-shaped rule and outer special-shaped rule, and the structure of inside and outside special-shaped rule is roughly the same, including segmental arc and right
Claim the main body for being formed at segmental arc both ends.
Existing method for winding includes lap wound coiling and waveform coiling two ways.After lap wound coiling, outer special-shaped rule
Segmental arc is coated on the segmental arc of interior special-shaped rule, increases every group of end turn（Endturn）Length, and then add
The copper loss of coil, reduce the power density of motor.After waveform coiling, the inside and outside special-shaped rule company in wave shape of every group of coil
Connect, reduce the output torque of motor.
The content of the invention
In view of above-mentioned condition, it is necessary to which the larger motor stator of a kind of power density and output torque and its coiling are provided
Structure.
A kind of motor stator, it includes iron core and multigroup winding structure, and the iron core is hollow columnar, iron core table in the inner
Face is recessed to be set formed with the multiple winding slots for penetrating its both ends, the plurality of winding slot around the circumferencial direction uniform intervals of the iron core
Put, and include inserting in corresponding two winding slots formed with wire winding pole, every group of winding structure between every two adjacent winding slots
And the first wire and the second wire on adjacent multiple wire winding poles are around in, first wire includes the first segmental arc and bending is convex
The first pin and the second pin for being formed at the first segmental arc both ends are stretched, second wire includes the second segmental arc and bending is convex
Stretch the 3rd pin and four-limbed for being formed at the second segmental arc both ends.First pin and second pin include main body
And bending convexedly stretch in corresponding main body opposite end and towards opposite sides extension connecting portion and convex extension part, first pin and
The connecting portion of second pin connects the both ends of first segmental arc respectively, and the body parallel of first pin is in second pin
Main body；3rd pin and the four-limbed include main body and bending convexedly stretches in the opposite end of corresponding main body and towards same
The connecting portion of the connecting portion of side extension and convex extension part, the 3rd pin and the four-limbed connects the two of second segmental arc respectively
End, and the body parallel of three pin is in the main body of the four-limbed；First pin, second pin, the 3rd pin and
The equal length of the main body of the four-limbed, first pin, second pin, the 3rd pin and the four-limbed protrude out
The equal length in portion, first pin, second pin, the 3rd pin and the four-limbed connecting portion length not phase
Deng, and the total length of first wire is equal with the total length of second wire；In each winding slot, from close to table in the iron core
The direction of the one end in face towards outer surface contain successively the main body of the four-limbed, the main body of second pin, the 3rd insert
The main body of the main body of pin and first pin, each first segmental arc are located at the top of corresponding winding slot, each second arc
Section is located at the top of corresponding wire winding pole, so that the first segmental arc and the second segmental arc of multigroup winding structure are along the iron core
Circumferencial direction is alternately arranged, each four-limbed, each second pin, the convex extension part of each 3rd pin and each first pin
Connect two-by-two successively so that multigroup winding structure forms multigroup coil.
A kind of winding structure, it includes the first wire and the second wire, and first wire includes the first segmental arc and bending
The first pin and the second pin for being formed at the first segmental arc both ends are protruded out, second wire includes the second segmental arc and bending
Protrude out the 3rd pin and four-limbed for being formed at the second segmental arc both ends.First pin and second pin include master
Body and bending convexedly stretch in the opposite end of corresponding main body and the connecting portion towards opposite sides extension and convex extension part, first pin
Connect the both ends of first segmental arc respectively with the connecting portion of second pin, and the body parallel of first pin in this second
The main body of pin；3rd pin and the four-limbed include main body and bending convexedly stretches in opposite end and the court of corresponding main body
The connecting portion of the connecting portion extended to homonymy and convex extension part, the 3rd pin and the four-limbed connects second segmental arc respectively
Both ends, and the body parallel of three pin is in the main body of the four-limbed；First pin, second pin, the 3rd insert
The equal length of the main body of pin and the four-limbed, first pin, second pin, the 3rd pin and the four-limbed
The equal length of convex extension part, first pin, second pin, the 3rd pin and the four-limbed connecting portion length it is equal
It is unequal, and the total length of first wire is equal with the total length of second wire.
The motor stator of the present invention is by the way that the first wire in winding structure and the second wire are separately designed as asymmetry
U-shaped structure, make after coiling the first segmental arc and the second segmental arc respectively on corresponding winding slot and corresponding wire winding pole,
And be alternately arranged along the circumferencial direction of iron core, so as to avoid the first segmental arc overlapping with the second segmental arc, reduce the copper of coil
Loss.Further, since multiple first wires of every group of coil replace connection successively respectively with multiple second wires, make coil along electricity
The circumferencial direction extension of machine stator, so as to improve the output torque of motor.
Brief description of the drawings
Fig. 1 is the stereogram of the motor stator of embodiment of the present invention.
Fig. 2 is the stereogram of the iron core of embodiment of the present invention.
Fig. 3 is the top view of the single winding slot of embodiment of the present invention.
Fig. 4 is the stereogram of the winding structure of embodiment of the present invention.
Fig. 5 is the partial perspective view of motor stator shown in Fig. 1.
Fig. 6 is the top view of motor stator shown in Fig. 5.
Fig. 7 is the stereogram at another visual angle of motor stator shown in Fig. 5.
Fig. 8 is the top view of motor stator shown in Fig. 7.
Main element symbol description
| Motor stator | 100 |
| Iron core | 20 |
| Inner surface | 21 |
| Outer surface | 22 |
| Upper side | 23 |
| Downside | 24 |
| Winding slot | 25 |
| Opening portion | 251 |
| Bottom | 253 |
| First paragraph | 254 |
| Second segment | 255 |
| 3rd section | 256 |
| 4th section | 257 |
| Wire winding pole | 26 |
| Winding structure | 40 |
| First wire | 42 |
| First segmental arc | 421 |
| First pin | 423 |
| Main body | 4231、4251、4431、4451 |
| Convex extension part | 4235、4255、4435、4455 |
| Weld part | 4237、4257、4437、4457 |
| Second pin | 425 |
| Second wire | 44 |
| Second segmental arc | 441 |
| 3rd pin | 443 |
| Four-limbed | 445 |
| Coil | 60 |
Following embodiment will combine above-mentioned accompanying drawing and further illustrate the present invention.
Embodiment
Referring to Fig. 1, the motor stator 100 of embodiment of the present invention includes iron core 20 and multigroup winding structure 40.
Also referring to Fig. 2 and Fig. 3, iron core 20 is generally hollow cylindric, its inner surface 21 for including being oppositely arranged, outer
Surface 22, and upper side 23 and downside 24 of the connection inner surface 21 with outer surface 22.Iron core 20 is from inner surface 21 towards outer
Surface 22 is recessed to form multiple winding slots 25.Circumferencial direction uniform intervals of multiple winding slots 25 along iron core 20 are set.Each around
Wire casing 25 penetrates upper side 23 and downside 24.Each winding slot 25 have the opening portion 251 that is oppositely arranged and with the opening portion
The bottom 253 of 251 connections, opening portion 251 are the opening of the inner surface 21 of neighbouring iron core 20, and bottom 253 is close to outer surface 22
End.As shown in figure 3, each winding slot 25 opening portion 251 towards be divided on the direction of bottom 253 be arranged in order the
One section 254, second segment 255, the 3rd section 256 and the 4th section 257, each section of space size approximately equal, in each coiling
Four wires being arranged side by side along its length are inserted in groove 25.Formed with wire winding pole between per two adjacent winding slots 25
26.In present embodiment, the quantity of winding slot 25, wire winding pole 26 and winding structure 40 is equal, is 96.It is appreciated that around
The quantity of wire casing 25 and wire winding pole 26 can also design according to being actually needed.
Also referring to Fig. 4, each winding structure 40 includes inserting in corresponding two winding slots 25 and being around in adjacent more
The first wire 42 and the second wire 44 on individual wire winding pole 26.The substantially asymmetric U-shaped structure of first wire 42, it includes
One segmental arc 421 and the first pin 423 and the second pin 425 for being formed at the both ends of the first segmental arc 421.First pin 423 and
The opposite sides bending that second pin 425 is respectively facing the first segmental arc 421 is protruded out to be formed, and the first pin 423 and second is inserted
Pin 425 is located at two different planes.First pin 423 includes main body 4231 and is formed at the connecting portion at the both ends of main body 4231
4233 and convex extension part 4235.The main body 4231 is a thick stick body that can stretch into winding slot 25.Connecting portion 4233 connect main body 4231 with
First segmental arc 421, it is crossed to form a default obtuse angle with main body 4231.Convex extension part 4235 faces away from the one of connecting portion 4233
Side protrudes out to be formed, and is crossed to form a default obtuse angle with main body 4231.The one end of convex extension part 4235 away from main body 4231 formed with
Weld part 4237.In present embodiment, default obtuse angle phase that connecting portion 4233 and convex extension part 4235 are crossed to form with main body 4231
Deng.It is appreciated that the default obtuse angle that connecting portion 4233 and convex extension part 4235 are crossed to form with main body 4231 also can be unequal.
The structure of second pin 425 is roughly the same with the structure of the first pin 423, including main body 4251, connecting portion
4253rd, convex extension part 4255 and weld part 4257.Main body 4231 of the main body 4251 of second pin 425 parallel to the first pin 423.
Connecting portion 4253 connects the segmental arc 421 of main body 4251 and first, the connection of its angle and the first pin 423 between main body 4251
Default obtuse angle between portion 4233 and main body 4231 is equal.Angle and the first pin 423 between convex extension part 4255 and main body 4251
Default obtuse angle between convex extension part 4235 and main body 4231 is also equal.It is appreciated that when the connecting portion 4233 of the first pin 423 and convex
When extending portion 4235 and the unequal default obtuse angle that main body 4231 is crossed to form, as long as the connecting portion 4253 of the second pin 425 and master
Angle between body 4251 is equal with the default obtuse angle between main body 4231 with the connecting portion 4233 of the first pin 423, the second pin 425
Convex extension part 4255 and main body 4251 between angle and the default obtuse angle between the convex extension part 4235 of the first pin 423 and main body 4231
It is equal.
In present embodiment, the length of the length of the main body 4251 of the second pin 425 and the main body 4231 of the first pin 423
It is equal, the equal length of the convex extension part 4235 of the pin 423 of convex extension part 4255 and first of the second pin 425, the second pin 425
The length of weld part 4257 and the equal length of the weld part 4237 of the first pin 423, and the connecting portion 4253 of the second pin 425
Length be longer than the first pin 423 connecting portion 4233 length so that the total length of the second pin 425 is longer than the first pin
423 total length, even if the first wire 42 forms asymmetric U structures.It is appreciated that the total length of the second pin 425 can also be short
In the total length of the first pin 423, even if the connection for being shorter in length than the first pin 423 of the connecting portion 4253 of the second pin 425
The length in portion 4233, as long as making the first wire 42 form asymmetric U structures.
The structure of second wire 44 is roughly the same with the structure of the first wire 42, and it includes the second segmental arc 441 and formed
The 3rd pin 443 and four-limbed 445 in the both ends of the second segmental arc 441.The radian and length of second segmental arc 441 respectively with
The radian and length of first segmental arc 421 of the first wire 42 are identical.3rd pin 443 and four-limbed 445 are respectively facing
The opposite sides bending of two segmental arcs 441 protrudes out to be formed, and the 3rd pin 443 and four-limbed 445 are located in different planes.
3rd pin 443 includes main body 4431, connecting portion 4433, convex extension part 4435 and weld part 4437.Convex extension part 4435 and connecting portion
4433 protrude out towards the same side and to be formed respectively at the opposite end of main body 4431, and form a default obtuse angle respectively.Four-limbed
445 include main body 4451, connecting portion 4453, convex extension part 4455 and weld part 4457.Convex extension part 4455 and connecting portion 4453 are distinguished
Protrude out to be formed towards the same side in the opposite end of main body 4451, and form a default obtuse angle respectively.
In present embodiment, the main body 4231 of the length of the main body 4431,4451 of the second wire 44 with the first wire 42
Equal length, the length of the length of the convex extension part 4435,4455 of the second wire 44 with the convex extension part 4235 of the first wire 42
It is equal, the equal length of the length of the weld part 4437,4457 of the second wire 44 with the weld part 4237 of the first wire 42.The
The connecting portion of the second pin 425 for being shorter in length than the first wire 42 of the connecting portion 4433 of 3rd pin 443 of two wires 44
The length of the second pin 425 for being shorter in length than the first wire 42 of 4253 length, i.e. the 3rd pin 443 of the second wire 44；
The length of the connecting portion 4453 of the four-limbed 445 of second wire 44 is longer than the connecting portion of the first pin 423 of the first wire 42
4233 length, the i.e. length of the four-limbed 445 of the second wire 44 are longer than the length of the first pin 423 of the first wire 42；
Moreover, the total length of the second wire 44 is equal with the total length of the first wire 42.The connecting portion 4433,4453 of second wire 44 with
Default obtuse angle between corresponding main body 4431,4451 be equal to the connecting portion 4233,4253 of the first wire 42 and corresponding main body 4231,
Default obtuse angle between 4251, it is default blunt between the convex extension part 4435,4455 of the second wire 44 and corresponding main body 4431,4451
Angle is equal to the default obtuse angle between the convex extension part 4235,4255 of the first wire 42 and corresponding main body 4231,4251.
It should be noted that in present embodiment, for purposes of illustration only, marked in Fig. 6 and Fig. 8 the 1st, the 7th,
13, the 19th, the 25th, the 31st, the 37th, the 43rd, the 49th, the 55th, the 61st, the 67th, the 73rd,
The sequence number of 79, the 85th and the 91st winding slots 25.
Also referring to Fig. 3, Fig. 4, Fig. 5 and Fig. 6, during coiling, first, by the first wire in the 1st winding structure 40
42 the first pin 423 inserts the 4th section 257 of the 1st winding slot 25, and now, main body 4231 is contained in the 1st winding slot 25
In 4th section 257, the upper side 23 that connecting portion 4233 stretches out in iron core 20 is outer and across 2 wire winding poles 26, and the first wire 42
The first segmental arc 421 positioned at the top of the 3rd winding slot 25 and extend to second segment 255 from the 4th section 257；Secondly, by second
Pin 425 across 4 wire winding poles 26 and insert the 7th winding slot 25 second segment 255, now, connecting portion 4253 positioned at 4 around
In line bar 26, main body 4251 is contained in the second segment 255 of the 7th winding slot 25；Again, by the of the 1st winding structure 40
3rd pin 443 of two wires 44 inserts the 3rd section 256 of the 1st winding slot 25, now, main body 4431 be contained in the 1st around
The 3rd section 256 of wire casing 25, the upper side 23 that connecting portion 4433 stretches out in iron core 20 are outer and across 3 wire winding poles 26 and positioned at the
The lower section of first segmental arc 421 of one wire 42, the second segmental arc 441 of the second wire 44 are upper positioned at the 4th wire winding pole 26
Fang Bingcong extends to the lower section of first paragraph 254 and the connecting portion 4253 positioned at the first wire 42 for the 3rd section 256；Finally, by the 4th
Pin 445 across 2 wire winding poles 26 and insert the 7th winding slot 25 first paragraph 254, now, connecting portion 4453 positioned at 2 around
In line bar 26, main body 4451 is contained in the first paragraph 254 of the 7th winding slot 25.
Also referring to Fig. 7 and Fig. 8, the convex extension part 4235 of the first pin 423 of the first wire 42 stretches out in iron core 20
Downside 24 is outer and across 3 wire winding poles 26, makes weld part 4237 positioned at the 4th section 257 of lower section of the 94th winding slot 25；
The convex extension part 4255 of second pin 425 of the first wire 42 makes weld part 4257 be located at the 10th coiling across 3 wire winding poles 26
The lower section of the second segment 255 of groove 25；The convex extension part 4435 of 3rd pin 443 of the second wire 44 makes weldering across 3 wire winding poles 26
Socket part 4437 is positioned at the 3rd section 256 of lower section of the 4th winding slot 25；The convex extension part of the four-limbed 445 of second wire 44
4455, across 3 wire winding poles 26, make weld part 4457 positioned at the lower section of the first paragraph 254 of the 4th winding slot 25.
Also referring to Fig. 5 to Fig. 8, according to the method for winding of above-mentioned 1st winding structure 40, by the 2nd, the 3rd around
Cable architecture 40 is inserted in iron core 20 respectively.First pin 423 of the first wire 42 of the 2nd winding structure 40 insert the 7th around
In the 4th section 257 of wire casing 25, and its weld part 4237 is positioned at the 4th section 257 of lower section of the 4th winding slot 25；Its second insert
Pin 425 is inserted in the second segment 255 of the 13rd winding slot 25, and its weld part 4257 is positioned at the second segment of the 16th winding slot 25
255 lower section；3rd pin 443 of the second wire 44 of the 2nd winding structure 40 inserts the 3rd section of the 7th winding slot 25
In 256, and its weld part 4437 is positioned at the 3rd section 256 of lower section of the 10th winding slot 25；Its four-limbed 445 insertion the 13rd
The first paragraph 254 of individual winding slot 25, and its weld part 4457 is positioned at the lower section of the first paragraph 254 of the 10th winding slot 25.
First pin 423 of the first wire 42 of the 3rd winding structure 40 inserts the 4th section 257 of the 13rd winding slot 25
In, and its weld part 4237 is positioned at the 4th section 257 of lower section of the 10th winding slot 25；Its second pin 425 inserts the 19th
In the second segment 255 of winding slot 25, and its weld part 4257 is positioned at the lower section of the second segment 255 of the 22nd winding slot 25；3rd
3rd pin 443 of the second wire 44 of winding structure 40 is inserted in the 3rd section 256 of the 13rd winding slot 25, and its weld part
4437 positioned at the 3rd section 256 of lower section of the 16th winding slot 25；Its four-limbed 445 inserts the first of the 19th winding slot 25
Section 254, and its weld part 4457 is positioned at the lower section of the first paragraph 254 of the 16th winding slot 25.
Now, the weld part 4257 of the first wire 42 of the 1st winding structure 40 is located at the second of the 10th winding slot 25
The lower section of section 255, the weld part 4437,4457 of the second wire 44 of the 2nd winding structure 40 are located at the 10th winding slot respectively
25 the 3rd section 256 of lower section and the lower section of first paragraph 254, the weld part 4237 of the first wire 42 of the 3rd winding structure 40
Positioned at the 4th section 257 of lower section of the 10th winding slot 25.By positioned at the weldering of the lower section of the first paragraph 254 of the 10th winding slot 25
Socket part 4457 and the phase of weld part 4257 of the lower section of the second segment 255 positioned at the 10th winding slot 25 are welded, so as to turn on the 1st
Second wire 44 of the first wire 42 of winding structure 40 and the 3rd winding structure 40；Again by positioned at the 10th winding slot 25
The weld part 4437 of 3rd section 256 of lower section and the weld part 4237 positioned at the 4th section 257 of lower section of the 10th winding slot 25
Mutually weld, so as to turn on the first wire 42 of the second wire 44 of the 2nd winding structure 40 and the 3rd winding structure 40.According to
Above-mentioned connection method, the first wire 42 of 16 groups of winding structures 40 and the second wire 44 are alternately connected successively respectively, so as to shape
Into two coils 60.Because the first wire 42 in multigroup winding structure 40 and the second wire 44 alternately connect successively respectively, make
Circumferencial direction extension of the coil 60 along motor stator 100, loss during so as to avoid waveform coiling to motor output torque.
It is appreciated that formed depending on the quantity of quantity foundation winding slot 25 of the winding structure 40 of coil 60, if winding slot
25 quantity is W, then quantity be W/6 winding structure the first wire 42 and the second wire 44 respectively successively alternately connect after i.e.
Two groups of coils 60 can be formed.
From above-mentioned method for winding, each winding slot 25 contains what is be arranged in order by opening portion 251 towards bottom 253
The main body 4451 of the four-limbed 445 of second wire 44, the main body 4251 of the second pin 425 of the first wire 42, the second wire
The main body 4231 of first pin 423 of the wire 42 of main body 4431 and first of 44 the 3rd pin 443；And work as all winding structures
After 40 insert corresponding winding slot 25 respectively, the first segmental arc 421 of each first wire 42 is located on corresponding winding slot 25
Side, the second segmental arc 441 of each second wire 44 is positioned at the corresponding top of wire winding pole 26, therefore, per two adjacent coilings
Groove 25 and the top of wire winding pole 26 are all provided with cambered identical the first segmental arc 421 and the second segmental arc 441, i.e., in winding structure 40
The first segmental arc 421 and the second segmental arc 441 above the upper side 23 of iron core 20 along iron core 20 circumferencial direction alternately arrange
Row, avoid the first segmental arc 421 overlapping with the second segmental arc 441, so as to reduce the first segmental arc 421 and the second segmental arc
441 length, reduces copper loss, improves the power density of motor.
The motor stator 100 of present embodiment is by the way that the first wire 42 in winding structure 40 and the second wire 44 are distinguished
Asymmetric U-shaped structure is designed as, makes the first segmental arc 421 of the first wire 42 and the second arc of the second wire 44 after coiling
Section 441 is located on corresponding winding slot 25 and corresponding wire winding pole 26 respectively, and is alternately arranged along the circumferencial direction of iron core 20, from
And avoid the first segmental arc 421 overlapping with the second segmental arc 441, reduce the copper loss of coil.Further, since multiple first lead
Line 42 replaces connection successively respectively with multiple second wires 44, makes circumferencial direction extension of the coil 60 along motor stator 100, so as to
Improve the output torque of motor.
It is appreciated that two pins of each first wire 42 and each second wire 44 across wire winding pole 26 quantity
It can be designed according to being actually needed.Weld part 4237,4257,4437,4457 can omit, can be directly by by adjacent first
The phase welding of convex extension part 4235,4255,4435,4455 of the wire 44 of wire 42 and second, so as to form coil 60.
In addition, for the person of ordinary skill of the art, it can be made with technique according to the invention design other each
It is kind corresponding to change and deformation, and all these changes and deformation should all belong to the protection domain of the claims in the present invention.
Claims (9)
1. a kind of motor stator, it includes iron core and multigroup winding structure, and the iron core is hollow columnar, iron core surface in the inner
It is recessed to be set formed with the multiple winding slots for penetrating its both ends, the plurality of winding slot around the circumferencial direction uniform intervals of the iron core
Put, and include inserting in corresponding two winding slots formed with wire winding pole, every group of winding structure between every two adjacent winding slots
And the first wire and the second wire on adjacent multiple wire winding poles are around in, first wire includes the first segmental arc and bending is convex
The first pin and the second pin for being formed at the first segmental arc both ends are stretched, second wire includes the second segmental arc and bending is convex
Stretch the 3rd pin and four-limbed for being formed at the second segmental arc both ends, it is characterised in that：First pin and this second insert
Pin includes main body and bending convexedly stretches in opposite end and the connecting portion towards opposite sides extension and the convex extension part of corresponding main body,
The connecting portion of first pin and second pin connects the both ends of first segmental arc respectively, and the main body of first pin is put down
Row is in the main body of second pin；3rd pin and the four-limbed include main body and bending convexedly stretches in the phase of corresponding main body
The connecting portion of connecting portion and convex extension part to both ends and towards homonymy extension, the 3rd pin and the four-limbed connects this respectively
The both ends of second segmental arc, and the body parallel of the 3rd pin is in the main body of the four-limbed；First pin, this second insert
The equal length of the main body of pin, the 3rd pin and the four-limbed, first pin, second pin, the 3rd pin and
The equal length of the convex extension part of the four-limbed, first pin, second pin, the 3rd pin and the four-limbed
The length of connecting portion is unequal, and the total length of first wire is equal with the total length of second wire；Wherein, each around
In wire casing, the main body of the four-limbed is contained successively from the direction of one end towards the outer surface of the close iron core inner surface, is somebody's turn to do
The main body of the main body of second pin, the main body of the 3rd pin and first pin, each first segmental arc positioned at accordingly around
The top of wire casing, each second segmental arc is located at the top of corresponding wire winding pole, so that the first arc of multigroup winding structure
Section and the second segmental arc are alternately arranged along the circumferencial direction of the iron core, and each four-limbed, each second pin, each 3rd insert
The convex extension part of pin and each first pin connects two-by-two successively so that multigroup winding structure forms multigroup coil.
2. motor stator as claimed in claim 1, it is characterised in that：The radian and length of first segmental arc and second arc
The radian and equal length of shape section.
3. motor stator as claimed in claim 1, it is characterised in that：The company of the connecting portion of first pin, second pin
It is equal that the connecting portion of socket part, the connecting portion of the 3rd pin and the four-limbed is crossed to form an angle with corresponding main body respectively
Default obtuse angle, the convex extension part of first pin, the convex extension part of second pin, the convex extension part of the 3rd pin and the 4th insert
The convex extension part of pin is crossed to form the equal another default obtuse angle of an angle with corresponding main body respectively.
4. motor stator as claimed in claim 3, it is characterised in that：Each connecting portion forms default blunt with corresponding main body
Angle is equal to the default obtuse angle that each convex extension part is formed with corresponding main body.
5. motor stator as claimed in claim 1, it is characterised in that：The iron core includes inner surface and the appearance being oppositely arranged
Face, and the be connected inner surface and upper side and the downside of the outer surface, inner surface direction of each winding slot from the iron core
The recessed formation in outer surface, and run through the upper side and downside, each winding slot includes the opening portion being oppositely arranged and opened with this
The bottom of oral area connection, and each winding slot is divided into first be arranged in order on direction of its opening portion towards its bottom
Section, second segment, the 3rd section and the 4th section, the main body of the four-limbed is contained in the first paragraph, and the main body of second pin is received
It is dissolved in the second segment, the main body of the 3rd pin is contained in the 3rd section, and the main body of first pin is contained in the 4th
Duan Zhong.
6. motor stator as claimed in claim 5, it is characterised in that：The opening portion is adjacent to the opening of the inner surface, the bottom
Portion is the end of the neighbouring inner surface.
7. motor stator as claimed in claim 5, it is characterised in that：The one end of each convex extension part away from corresponding main body formed with
Weld part, the convex extension part of first pin stretch out in outside the downside and make its welding position this in the 4th section of lower section
The convex extension part of two pins stretches out in outside the downside and its welding position is protruded out in the lower section of the second segment, the 3rd pin
Portion stretches out in outside the downside and makes its welding position the convex extension part of the four-limbed is stretched out under this in the 3rd section of lower section
Outside side and four weld parts of its welding position below the lower section of the first paragraph, each winding slot are made to connect two-by-two successively,
So that the first wire of multigroup winding structure replaces connection with the second wire to form multigroup coil successively.
8. motor stator as claimed in claim 1, it is characterised in that：The quantity of the winding slot is 96, part winding structure
Insert in corresponding 96 winding slots, and the first wire of the part winding structure replaces connection with the second wire and forms two successively
The group coil.
9. a kind of winding structure, it includes the first wire and the second wire, and first wire includes the first segmental arc and bending is convex
The first pin and the second pin for being formed at the first segmental arc both ends are stretched, second wire includes the second segmental arc and bending is convex
Stretch the 3rd pin and four-limbed for being formed at the second segmental arc both ends, it is characterised in that：First pin and this second insert
Pin includes main body and bending convexedly stretches in opposite end and the connecting portion towards opposite sides extension and the convex extension part of corresponding main body,
The connecting portion of first pin and second pin connects the both ends of first segmental arc respectively, and the main body of first pin is put down
Row is in the main body of second pin；3rd pin and the four-limbed include main body and bending convexedly stretches in the phase of corresponding main body
The connecting portion of connecting portion and convex extension part to both ends and towards homonymy extension, the 3rd pin and the four-limbed connects this respectively
The both ends of second segmental arc, and the body parallel of three pin is in the main body of the four-limbed；First pin, this second insert
The equal length of the main body of pin, the 3rd pin and the four-limbed, first pin, second pin, the 3rd pin and
The equal length of the convex extension part of the four-limbed, first pin, the company of second pin, the 3rd pin and the four-limbed
The length of socket part is unequal, and the total length of first wire is equal with the total length of second wire.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410077661.4A CN104901447B (en) | 2014-03-05 | 2014-03-05 | Motor stator and its winding structure |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410077661.4A CN104901447B (en) | 2014-03-05 | 2014-03-05 | Motor stator and its winding structure |
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| Publication Number | Publication Date |
|---|---|
| CN104901447A CN104901447A (en) | 2015-09-09 |
| CN104901447B true CN104901447B (en) | 2017-12-01 |
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| CN201410077661.4A Active CN104901447B (en) | 2014-03-05 | 2014-03-05 | Motor stator and its winding structure |
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| CN108696068A (en) * | 2018-06-01 | 2018-10-23 | 邢帅帅 | A kind of formed coil section material technique |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6326715B1 (en) * | 1999-12-01 | 2001-12-04 | Mitsubishi Denki Kabushiki Kaisha | Stator for an automotive alternator |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2011069243A1 (en) * | 2009-12-11 | 2011-06-16 | Tm4 Inc. | Rectangular wire coil provided with a shaped head portion and stator made with such coils |
| CN103460561A (en) * | 2011-04-01 | 2013-12-18 | 丰田自动车株式会社 | Stator of rotating electrical machine, method of manufacturing same, and apparatus for manufacturing same |
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2014
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Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6326715B1 (en) * | 1999-12-01 | 2001-12-04 | Mitsubishi Denki Kabushiki Kaisha | Stator for an automotive alternator |
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| CN104901447A (en) | 2015-09-09 |
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Effective date of registration: 20180829 Address after: 402260 No. 17, Chuang Chuang Road, Shuang Fu Street, Jiangjin District, Chongqing Patentee after: Chongqing treasure cross stroke Machinery Manufacturing Co., Ltd. Address before: 518109, No. two, No. tenth, East Ring Road, Pinus tabulaeformis Industrial Zone, Longhua Town, Baoan District, Guangdong, Shenzhen, 2 Co-patentee before: Hon Hai Precision Industry Co., Ltd. Patentee before: Hongfujin Precise Industry (Shenzhen) Co., Ltd. |