CN104901447A - Motor stator and coiling structure thereof - Google Patents
Motor stator and coiling structure thereof Download PDFInfo
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- CN104901447A CN104901447A CN201410077661.4A CN201410077661A CN104901447A CN 104901447 A CN104901447 A CN 104901447A CN 201410077661 A CN201410077661 A CN 201410077661A CN 104901447 A CN104901447 A CN 104901447A
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Abstract
Provided is a motor stator which comprises an iron core and multiple coiling structures. Multiple coiling grooves are formed in the iron core. Each coiling structure comprises a first wire and a second wire. The first wire comprises a first arc segment, a first pin, and a second pin. The second wire comprises a second arc segment, a third pin, and a fourth pin. Each of the first pin and the second pin comprises a main body, a connecting portion, and a protruded portion, wherein the connecting portion and the protruded portion protrude from both ends of the main body and extend towards two opposite directions. Each of the third pin and the fourth pin comprises a main body, a connecting portion, and a protruded portion, wherein the connecting portion and the protruded portion protrude from both ends of the main body and extend towards the same direction. Each coiling groove successively receives the main body of the fourth pin, the main body of the second pin, the main body of the third pin, and the main body of the first pin along the direction from one end close to the inner surface of the iron core to the outer surface of the iron core. The first arc segments and the second arc segments of the multiple coiling structures are arranged alternately along the circumferential direction of the iron core. The invention also provides a coil structure used by the above motor stator.
Description
Technical field
The present invention relates to a kind of motor, particularly a kind of motor stator and winding structure thereof.
Background technology
Motor stator comprises iron core and organizes coil more, iron core is formed with multiple line embedding groove, and many group coil windings are in multiple line embedding groove.Existing stator generally adopts the coiling in line embedding groove of multiple special-shaped rule group to be formed and organizes coil more.Each special-shaped rule group comprises interior special-shaped rule and outer special-shaped rule, and the structure of inside and outside special-shaped rule is roughly the same, includes segmental arc and is symmetrically formed the main body in segmental arc two ends.
Existing method for winding comprises lap wound coiling and waveform coiling two kinds of modes.After lap wound coiling, the segmental arc of outer special-shaped rule is coated on the segmental arc of interior special-shaped rule, increases the length often organizing end winding (Endturn), and then adds the copper loss of coil, reduce the power density of motor.After waveform coiling, often organize the inside and outside special-shaped rule connection in wave shape of coil, reduce the output torque of motor.
Summary of the invention
In view of above-mentioned condition, be necessary to provide motor stator and winding structure thereof that a kind of power density and output torque are all larger.
A kind of motor stator, it comprises iron core and organizes winding structure more, this iron core is hollow columnar, this iron core is the surperficial recessed multiple winding slots being formed with its two ends through in the inner, the plurality of winding slot is arranged around the circumferencial direction uniform intervals of this iron core, and be formed with wire winding pole between two often adjacent winding slots, often organize winding structure to comprise and inserting in corresponding two winding slots and the first wire be around on adjacent multiple wire winding poles and the second wire, this first wire comprises the first segmental arc and bending protrudes out the first pin and the second pin that are formed at these the first segmental arc two ends, this second wire comprises the second segmental arc and bending protrudes out the 3rd pin and the four-limbed being formed at these the second segmental arc two ends.This first pin and this second pin include main body and bending and convexedly stretch in the opposite end of corresponding main body and the connecting portion extended towards relative both sides and convex extension part, this first pin is connected the two ends of this first segmental arc respectively with the connecting portion of the second pin, and the body parallel of this first pin is in the main body of this second pin, 3rd pin and this four-limbed include main body and bending and convexedly stretch in the opposite end of corresponding main body and the connecting portion extended towards homonymy and convex extension part, 3rd pin and the connecting portion of this four-limbed are connected the two ends of this second segmental arc respectively, and the body parallel of this three pin is in the main body of this four-limbed, the length of the main body of this first pin, this second pin, the 3rd pin and this four-limbed is equal, the length of the convex extension part of this first pin, this second pin, the 3rd pin and this four-limbed is equal, the length of the connecting portion of this first pin, this second pin, the 3rd pin and this four-limbed is all unequal, and the total length of this first wire is equal with the total length of this second wire, in each winding slot, from the one end near this iron core inner surface, the direction on surface contains the main body of this four-limbed successively toward the outside, the main body of this second pin, the main body of the 3rd pin and the main body of this first pin, each first segmental arc is positioned at the top of corresponding winding slot, each second segmental arc is positioned at the top of corresponding wire winding pole, be alternately arranged along the circumferencial direction of this iron core to make the first segmental arc of this many groups winding structure and the second segmental arc, each four-limbed, each second pin, the convex extension part of each 3rd pin and each first pin connects that this many groups winding structure is formed successively between two and organizes coil more.
A kind of winding structure, it comprises the first wire and the second wire, this first wire comprises the first segmental arc and bending protrudes out the first pin and the second pin that are formed at these the first segmental arc two ends, and this second wire comprises the second segmental arc and bending protrudes out the 3rd pin and the four-limbed being formed at these the second segmental arc two ends.This first pin and this second pin include main body and bending and convexedly stretch in the opposite end of corresponding main body and the connecting portion extended towards relative both sides and convex extension part, this first pin is connected the two ends of this first segmental arc respectively with the connecting portion of this second pin, and the body parallel of this first pin is in the main body of this second pin; 3rd pin and this four-limbed include main body and bending and convexedly stretch in the opposite end of corresponding main body and the connecting portion extended towards homonymy and convex extension part, 3rd pin and the connecting portion of this four-limbed are connected the two ends of this second segmental arc respectively, and the body parallel of this three pin is in the main body of this four-limbed; The length of the main body of this first pin, this second pin, the 3rd pin and this four-limbed is equal, the length of the convex extension part of this first pin, this second pin, the 3rd pin and this four-limbed is equal, the length of the connecting portion of this first pin, this second pin, the 3rd pin and this four-limbed is all unequal, and the total length of this first wire is equal with the total length of this second wire.
Motor stator of the present invention is by being designed to asymmetric U-shaped structure respectively by the first wire in winding structure and the second wire, after making coiling, the first segmental arc and the second segmental arc lay respectively on corresponding winding slot and corresponding wire winding pole, and be alternately arranged along the circumferencial direction of iron core, thus avoid the first segmental arc overlapping with the second segmental arc, reduce the copper loss of coil.In addition, because multiple first wire often organizing coil is alternately connected respectively successively with multiple second wire, coil is extended along the circumferencial direction of motor stator, thus improves the output torque of motor.
Accompanying drawing explanation
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 vertical 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 vertical 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 vertical 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 |
| Peristome | 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 further illustrate the present invention in conjunction with above-mentioned accompanying drawing.
Embodiment
Refer to Fig. 1, the motor stator 100 of embodiment of the present invention comprises iron core 20 and many group winding structures 40.
See also Fig. 2 and Fig. 3, iron core 20 is roughly hollow cylindrical, and it comprises the inner surface 21, the outer surface 22 that are oppositely arranged, and connects upper side 23 and the downside 24 of inner surface 21 and outer surface 22.Iron core 20 is from the inner surface 21 multiple winding slot 25 of surface 22 recessed formation toward the outside.Multiple winding slot 25 is arranged along the circumferencial direction uniform intervals of iron core 20.The through upper side 23 of each winding slot 25 and downside 24.Each winding slot 25 has the peristome 251 be oppositely arranged and the bottom 253 be communicated with this peristome 251, and peristome 251 is the opening of the inner surface 21 of contiguous iron core 20, and bottom 253 is the end near outer surface 22.As shown in Figure 3, each winding slot 25 be divided on the direction of peristome 251 towards bottom 253 be arranged in order first paragraph 254, second segment 255, the 3rd section 256 and the 4th section 257, each section of space size approximately equal, for inserting four wires be arranged side by side along its length in each winding slot 25.Wire winding pole 26 is formed between two often adjacent winding slots 25.In present embodiment, the quantity of winding slot 25, wire winding pole 26 and winding structure 40 is equal, is 96.Be appreciated that the quantity of winding slot 25 and wire winding pole 26 also can design according to actual needs.
See also Fig. 4, each winding structure 40 comprises and inserting in corresponding two winding slots 25 and the first wire 42 and the second wire 44 be around on adjacent multiple wire winding pole 26.First wire 42 is roughly asymmetric U-shaped structure, it the first pin 423 and the second pin 425 comprising the first segmental arc 421 and be formed at the first segmental arc 421 two ends.First pin 423 and the second pin 425 protrude out formation towards relative two lateral bucklings of the first segmental arc 421 respectively, and the first pin 423 and the second pin 425 are positioned at two different planes.First pin 423 comprises main body 4231 and is formed at connecting portion 4233 and the convex extension part 4235 at main body 4231 two ends.This main body 4231 is a thick stick body that can stretch into winding slot 25.Connecting portion 4233 connects main body 4231 and the first segmental arc 421, and obtuse angle is preset in its formation one crossing with main body 4231.Convex extension part 4235 protrudes out formation towards the side deviating from connecting portion 4233, and obtuse angle is preset in formation one crossing with main body 4231.Convex extension part 4235 is formed with weld part 4237 away from one end of main body 4231.In present embodiment, connecting portion 4233 and the convex extension part 4235 default obtuse angle that formed crossing with main body 4231 is equal.Be appreciated that connecting portion 4233 and the convex extension part 4235 default obtuse angle that formed crossing with main body 4231 also can be unequal.
The structure of the second pin 425 is roughly the same with the structure of the first pin 423, includes main body 4251, connecting portion 4253, convex extension part 4255 and weld part 4257.The main body 4251 of the second pin 425 is parallel to the main body 4231 of the first pin 423.Connecting portion 4253 connects main body 4251 and the first segmental arc 421, and the angle between its with main body 4251 is equal with the default obtuse angle between main body 4231 with the connecting portion 4233 of the first pin 423.Angle between convex extension part 4255 with main body 4251 is also equal with the default obtuse angle between main body 4231 with the convex extension part 4235 of the first pin 423.Be appreciated that, when connecting portion 4233 and the convex extension part 4235 default obtuse angle that formed crossing with main body 4231 of the first pin 423 is unequal, as long as the connecting portion 4253 of the second pin 425 is equal with the default obtuse angle between main body 4231 with the connecting portion 4233 of the first pin 423 with the angle between main body 4251, the convex extension part 4255 of the second pin 425 is equal with the default obtuse angle between main body 4231 with the convex extension part 4235 of the first pin 423 with the angle between main body 4251.
In present embodiment, the length of the main body 4251 of the second pin 425 is equal with the length of the main body 4231 of the first pin 423, the convex extension part 4255 of the second pin 425 is equal with the length of the convex extension part 4235 of the first pin 423, the length of the weld part 4257 of the second pin 425 is equal with the length of the weld part 4237 of the first pin 423, and the length of the connecting portion 4253 of the second pin 425 is longer than the length of the connecting portion 4233 of the first pin 423, thus make the total length of the second pin 425 be longer than the total length of the first pin 423, even if the first wire 42 forms asymmetric U structure.Be appreciated that, the total length of the second pin 425 also can be shorter than the total length of the first pin 423, even if the length being shorter in length than the connecting portion 4233 of the first pin 423 of the connecting portion 4253 of the second pin 425, as long as make the first wire 42 form asymmetric U structure.
The structure of the second wire 44 is roughly the same with the structure of the first wire 42, and it comprises the second segmental arc 441 and is formed at the 3rd pin 443 and the four-limbed 445 at the second segmental arc 441 two ends.The radian of the second segmental arc 441 and length are identical with the radian of the first segmental arc 421 of the first wire 42 and length respectively.3rd pin 443 and four-limbed 445 protrude out formation towards relative two lateral bucklings of the second segmental arc 441 respectively, and the 3rd pin 443 and four-limbed 445 are positioned in different planes.3rd pin 443 comprises main body 4431, connecting portion 4433, convex extension part 4435 and weld part 4437.Convex extension part 4435 and connecting portion 4433 protrude out formation respectively at the opposite end of main body 4431 towards the same side, and form one respectively and preset obtuse angle.Four-limbed 445 comprises main body 4451, connecting portion 4453, convex extension part 4455 and weld part 4457.Convex extension part 4455 and connecting portion 4453 protrude out formation respectively at the opposite end of main body 4451 towards the same side, and form one respectively and preset obtuse angle.
In present embodiment, the length of the main body 4431,4451 of the second wire 44 is all equal with the length of the main body 4231 of the first wire 42, the length of the convex extension part 4435,4455 of the second wire 44 is all equal with the length of the convex extension part 4235 of the first wire 42, and the length of the weld part 4437,4457 of the second wire 44 is all equal with the length of the weld part 4237 of the first wire 42.The length being shorter in length than the connecting portion 4253 of the second pin 425 of the first wire 42 of the connecting portion 4433 of the 3rd pin 443 of the second wire 44, the i.e. length being shorter in length than the second pin 425 of the first wire 42 of the 3rd pin 443 of the second wire 44; The length of the connecting portion 4453 of the four-limbed 445 of the second wire 44 is longer than the length of the connecting portion 4233 of the first pin 423 of the first wire 42, and namely the length of the four-limbed 445 of the second wire 44 is longer than the length of the first pin 423 of the first wire 42; And the total length of the second wire 44 is equal with the total length of the first wire 42.Default obtuse angle between the connecting portion 4433,4453 of the second wire 44 and corresponding main body 4431,4451 equals the default obtuse angle between the connecting portion 4233,4253 of the first wire 42 and corresponding main body 4231,4251, and the default obtuse angle between the convex extension part 4435,4455 of the second wire 44 and corresponding main body 4431,4451 equals 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 ease of illustrating, in Fig. 6 and Fig. 8, mark the sequence number of the 1st, the 7th, the 13rd, the 19th, the 25th, the 31st, the 37th, the 43rd, the 49th, the 55th, the 61st, the 67th, the 73rd, the 79th, the 85th and the 91st winding slot 25.
See also Fig. 3, Fig. 4, Fig. 5 and Fig. 6, during coiling, first, the 4th section 257 that first pin 423 of the first wire 42 in the 1st winding structure 40 is inserted the 1st winding slot 25, now, main body 4231 is contained in the 4th section 257 of the 1st winding slot 25, and it is outer and across 2 wire winding poles 26 that connecting portion 4233 stretches out in the upper side 23 of iron core 20, and the first segmental arc 421 of the first wire 42 to be positioned at above the 3rd winding slot 25 and to extend to second segment 255 from the 4th section 257; Secondly, the second pin 425 is inserted the second segment 255 of the 7th winding slot 25 across 4 wire winding poles 26, and now, connecting portion 4253 is positioned on 4 wire winding poles 26, and main body 4251 is contained in the second segment 255 of the 7th winding slot 25; Again, the 3rd section 256 that 3rd pin 443 of the second wire 44 of the 1st winding structure 40 is inserted the 1st winding slot 25, now, main body 4431 is contained in the 3rd section 256 of the 1st winding slot 25, it is outer and be positioned at the below of the first segmental arc 421 of the first wire 42 across 3 wire winding poles 26 that connecting portion 4433 stretches out in the upper side 23 of iron core 20, and the second segmental arc 441 of the second wire 44 is positioned at the top of the 4th wire winding pole 26 and extends to first paragraph 254 from the 3rd section 256 and be positioned at the below of the connecting portion 4253 of the first wire 42; Finally, four-limbed 445 is inserted the first paragraph 254 of the 7th winding slot 25 across 2 wire winding poles 26, and now, connecting portion 4453 is positioned on 2 wire winding poles 26, and main body 4451 is contained in the first paragraph 254 of the 7th winding slot 25.
See also Fig. 7 and Fig. 8, it is outer and across 3 wire winding poles 26, make weld part 4237 be positioned at the below of the 4th section 257 of the 94th winding slot 25 that the convex extension part 4235 of the first pin 423 of the first wire 42 stretches out in the downside 24 of iron core 20; The convex extension part 4255 of the second pin 425 of the first wire 42, across 3 wire winding poles 26, makes weld part 4257 be positioned at the below of the second segment 255 of the 10th winding slot 25; The convex extension part 4435 of the 3rd pin 443 of the second wire 44, across 3 wire winding poles 26, makes weld part 4437 be positioned at the below of the 3rd section 256 of the 4th winding slot 25; The convex extension part 4455 of the four-limbed 445 of the second wire 44, across 3 wire winding poles 26, makes weld part 4457 be positioned at the below of the first paragraph 254 of the 4th winding slot 25.
See also Fig. 5 to Fig. 8, according to the method for winding of above-mentioned 1st winding structure 40, the 2nd, the 3rd winding structure 40 is inserted in iron core 20 respectively.First pin 423 of the first wire 42 of the 2nd winding structure 40 inserts in the 4th section 257 of the 7th winding slot 25, and its weld part 4237 is positioned at the below of the 4th section 257 of the 4th winding slot 25; Its second pin 425 inserts in the second segment 255 of the 13rd winding slot 25, and its weld part 4257 is positioned at the below of the second segment 255 of the 16th winding slot 25; 3rd pin 443 of the second wire 44 of the 2nd winding structure 40 inserts in the 3rd section 256 of the 7th winding slot 25, and its weld part 4437 is positioned at the below of the 3rd section 256 of the 10th winding slot 25; Its four-limbed 445 inserts the first paragraph 254 of the 13rd winding slot 25, and its weld part 4457 is positioned at the below 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 in the 4th section 257 of the 13rd winding slot 25, and its weld part 4237 is positioned at the below of the 4th section 257 of the 10th winding slot 25; Its second pin 425 inserts in the second segment 255 of the 19th winding slot 25, and its weld part 4257 is positioned at the below of the second segment 255 of the 22nd winding slot 25; 3rd pin 443 of the second wire 44 of the 3rd winding structure 40 inserts in the 3rd section 256 of the 13rd winding slot 25, and its weld part 4437 is positioned at the below of the 3rd section 256 of the 16th winding slot 25; Its four-limbed 445 inserts the first paragraph 254 of the 19th winding slot 25, and its weld part 4457 is positioned at the below 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 positioned at the below of the second segment 255 of the 10th winding slot 25, the weld part 4437,4457 of the second wire 44 of the 2nd winding structure 40 lays respectively at the below of the 3rd section 256 and the below of first paragraph 254 of the 10th winding slot 25, and the weld part 4237 of the first wire 42 of the 3rd winding structure 40 is positioned at the below of the 4th section 257 of the 10th winding slot 25.The weld part 4257 of below of the weld part 4457 being positioned at the below of the first paragraph 254 of the 10th winding slot 25 with the second segment 255 being positioned at the 10th winding slot 25 is welded mutually, thus the first wire 42 of conducting the 1st winding structure 40 and the second wire 44 of the 3rd winding structure 40; Again the weld part 4437 being positioned at the below of the 3rd section 256 of the 10th winding slot 25 is welded mutually with the weld part 4237 of the below of the 4th section 257 being positioned at the 10th winding slot 25, thus the second wire 44 of conducting the 2nd winding structure 40 and the first wire 42 of the 3rd winding structure 40.According to above-mentioned method of attachment, the first wire 42 of 16 groups of winding structures 40 and the second wire 44 are alternately connected respectively successively, thus forms two coils 60.Owing to organizing the first wire 42 in winding structure 40 and the second wire 44 alternately connects respectively successively, coil 60 is extended along the circumferencial direction of motor stator 100 more, thus the loss to motor output torque when avoiding waveform coiling.
Be appreciated that, form the quantity of the quantity basis winding slot 25 of the winding structure 40 of coil 60 and determine, if the quantity of winding slot 25 is W, then quantity is can form two groups of coils 60 after the first wire 42 of the winding structure of W/6 and the second wire 44 alternately connect respectively successively.
From above-mentioned method for winding, each winding slot 25 is contained the main body 4431 of the 3rd pin 443 of main body 4251, second wire 44 of the second pin 425 of main body 4451, first wire 42 of the four-limbed 445 of the second wire 44 be arranged in order and the main body 4231 of the first pin 423 of the first wire 42 towards bottom 253 by peristome 251, and after all winding structures 40 insert corresponding winding slot 25 respectively, first segmental arc 421 of each first wire 42 is positioned at above corresponding winding slot 25, second segmental arc 441 of each second wire 44 is positioned at above corresponding wire winding pole 26, therefore, the first identical segmental arc 421 and the second segmental arc 441 of radian is equipped with above two often adjacent winding slots 25 and wire winding pole 26, namely the first segmental arc 421 in winding structure 40 and the circumferencial direction of the second segmental arc 441 along iron core 20 above the upper side 23 of iron core 20 are alternately arranged, avoid the overlapping of the first segmental arc 421 and the second segmental arc 441, thus reduce the length of the first segmental arc 421 and the second segmental arc 441, reduce copper loss, improve the power density of motor.
The motor stator 100 of present embodiment is by being designed to asymmetric U-shaped structure respectively by the first wire 42 in winding structure 40 and the second wire 44, after making coiling, the first segmental arc 421 of the first wire 42 and the second segmental arc 441 of the second wire 44 lay respectively on corresponding winding slot 25 and corresponding wire winding pole 26, and be alternately arranged along the circumferencial direction of iron core 20, thus avoid the first segmental arc 421 overlapping with the second segmental arc 441, reduce the copper loss of coil.In addition, because multiple first wire 42 is alternately connected respectively successively with multiple second wire 44, coil 60 is extended along the circumferencial direction of motor stator 100, thus improves the output torque of motor.
Be appreciated that two pins of each first wire 42 and each second wire 44 across the quantity of wire winding pole 26 can design according to actual needs.Weld part 4237,4257,4437,4457 can omit, and directly by convex extension part 4235,4255,4435, the 4455 phase welding by the first adjacent wire 42 and the second wire 44, thus can form coil 60.
In addition, for the person of ordinary skill of the art, other various corresponding change and distortion can be made by technical conceive according to the present invention, and all these change the protection range that all should belong to the claims in the present invention with distortion.
Claims (9)
1. a motor stator, it comprises iron core and organizes winding structure more, this iron core is hollow columnar, this iron core is the surperficial recessed multiple winding slots being formed with its two ends through in the inner, the plurality of winding slot is arranged around the circumferencial direction uniform intervals of this iron core, and be formed with wire winding pole between two often adjacent winding slots, often organize winding structure to comprise and inserting in corresponding two winding slots and the first wire be around on adjacent multiple wire winding poles and the second wire, this first wire comprises the first segmental arc and bending protrudes out the first pin and the second pin that are formed at these the first segmental arc two ends, this second wire comprises the second segmental arc and bending protrudes out the 3rd pin and the four-limbed being formed at these the second segmental arc two ends, it is characterized in that: this first pin and this second pin include main body and bending and convexedly stretch in the opposite end of corresponding main body and the connecting portion extended towards relative both sides and convex extension part, this first pin is connected the two ends of this first segmental arc respectively with the connecting portion of the second pin, and the body parallel of this first pin is in the main body of this second pin, 3rd pin and this four-limbed include main body and bending and convexedly stretch in the opposite end of corresponding main body and the connecting portion extended towards homonymy and convex extension part, 3rd pin and the connecting portion of four-limbed are connected the two ends of this second segmental arc respectively, and the body parallel of this three pin is in the main body of this four-limbed, the length of the main body of this first pin, this second pin, the 3rd pin and this four-limbed is equal, the length of the convex extension part of this first pin, this second pin, the 3rd pin and this four-limbed is equal, the length of the connecting portion of this first pin, this second pin, the 3rd pin and this four-limbed is all unequal, and the total length of this first wire is equal with the total length of this second wire, wherein, in each winding slot, from the one end near this iron core inner surface, the direction on surface contains the main body of this four-limbed successively toward the outside, the main body of this second pin, the main body of the 3rd pin and the main body of this first pin, each first segmental arc is positioned at the top of corresponding winding slot, each second segmental arc is positioned at the top of corresponding wire winding pole, be alternately arranged along the circumferencial direction of this iron core to make the first segmental arc of this many groups winding structure and the second segmental arc, each four-limbed, each second pin, the convex extension part of each 3rd pin and each first pin connects that this many groups winding structure is formed successively between two and organizes coil more.
2. motor stator as claimed in claim 1, is characterized in that: radian and the length of the radian of this first segmental arc and length and this second segmental arc are equal.
3. motor stator as claimed in claim 1, it is characterized in that: the connecting portion of the connecting portion of this first pin, the connecting portion of this second pin, the 3rd pin and the connecting portion default obtuse angle that shape crossing with corresponding main body is equal at angle respectively of this four-limbed, the convex extension part of the convex extension part of this first pin, the convex extension part of this second pin, the 3rd pin and another default obtuse angle that shape crossing with corresponding main body is equal at angle respectively, convex extension part of this four-limbed.
4. winding structure as claimed in claim 3, is characterized in that: the default obtuse angle that each connecting portion and corresponding main body are formed equals 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 characterized in that: this iron core comprises the inner surface and outer surface that are oppositely arranged, and the upper side of be connected this inner surface and this outer surface and downside, each winding slot is from the inner surface surperficial recessed formation toward the outside of this iron core, and run through this upper side and downside, each winding slot comprises the peristome be oppositely arranged and the bottom be communicated with this peristome, and each winding slot its peristome towards it bottom direction on be divided into the first paragraph be arranged in order, second segment, 3rd section and the 4th section, the main body of this four-limbed is contained in this first paragraph, the main body of this second pin is contained in this second segment, the main body of the 3rd pin is contained in the 3rd section, the main body of this first pin is contained in the 4th section.
6. motor stator as claimed in claim 5, is characterized in that: this peristome is the opening of this inner surface contiguous, is the end on this surface contiguous bottom this.
7. motor stator as claimed in claim 5, it is characterized in that: each convex extension part is formed with weld part away from one end of corresponding main body, the convex extension part of this first pin to stretch out in outside this downside and makes its welding position in the below of the 4th section, the convex extension part of this second pin to stretch out in outside this downside and makes its welding position in the below of this second segment, the convex extension part of the 3rd pin to stretch out in outside this downside and makes its welding position in the below of the 3rd section, the convex extension part of this four-limbed to stretch out in outside this downside and makes its welding position in the below of this first paragraph, four weld parts below each winding slot connect successively between two, alternately be connected successively to make the first wire of this many groups winding structure and the second wire to form this many groups coil.
8. motor stator as claimed in claim 1, it is characterized in that: the quantity of this winding slot is 96, part winding structure inserts in corresponding 16 winding slots, and the first wire of this part winding structure and the second wire are alternately connected to form two groups of these coils successively.
9. a winding structure, it comprises the first wire and the second wire, this first wire comprises the first segmental arc and bending protrudes out the first pin and the second pin that are formed at these the first segmental arc two ends, this second wire comprises the second segmental arc and bending protrudes out the 3rd pin and the four-limbed being formed at these the second segmental arc two ends, it is characterized in that: this first pin and this second pin include main body and bending and convexedly stretch in the opposite end of corresponding main body and the connecting portion extended towards relative both sides and convex extension part, this first pin is connected the two ends of this first segmental arc respectively with the connecting portion of this second pin, and the body parallel of this first pin is in the main body of this second pin, 3rd pin and this four-limbed include main body and bending and convexedly stretch in the opposite end of corresponding main body and the connecting portion extended towards homonymy and convex extension part, 3rd pin and the connecting portion of this four-limbed are connected the two ends of this second segmental arc respectively, and the body parallel of this three pin is in the main body of this four-limbed, the length of the main body of this first pin, this second pin, the 3rd pin and this four-limbed is equal, the length of the convex extension part of this first pin, this second pin, the 3rd pin and this four-limbed is equal, the length of the connecting portion of this first pin, this second pin, the 3rd pin and this four-limbed is all unequal, and the total length of this first wire is equal with the total length of this second wire.
Priority Applications (1)
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| CN201410077661.4A CN104901447B (en) | 2014-03-05 | 2014-03-05 | Motor stator and its winding structure |
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| CN201410077661.4A CN104901447B (en) | 2014-03-05 | 2014-03-05 | Motor stator and its winding structure |
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| CN104901447A true CN104901447A (en) | 2015-09-09 |
| CN104901447B CN104901447B (en) | 2017-12-01 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108696068A (en) * | 2018-06-01 | 2018-10-23 | 邢帅帅 | A kind of formed coil section material technique |
Citations (3)
| 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 |
| 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 |
-
2014
- 2014-03-05 CN CN201410077661.4A patent/CN104901447B/en active Active
Patent Citations (3)
| 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 |
| 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 |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108696068A (en) * | 2018-06-01 | 2018-10-23 | 邢帅帅 | A kind of formed coil section material technique |
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|---|---|
| CN104901447B (en) | 2017-12-01 |
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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. |