CN209402275U - A kind of coil winding arrangement and coaxial-type permanent magnet synchronous motor of stator - Google Patents
A kind of coil winding arrangement and coaxial-type permanent magnet synchronous motor of stator Download PDFInfo
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- CN209402275U CN209402275U CN201822010839.XU CN201822010839U CN209402275U CN 209402275 U CN209402275 U CN 209402275U CN 201822010839 U CN201822010839 U CN 201822010839U CN 209402275 U CN209402275 U CN 209402275U
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- permanent magnet
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Abstract
The utility model provides the coil winding arrangement and coaxial-type permanent magnet synchronous motor of a kind of stator, the coil winding arrangement of stator is used for coaxial-type permanent magnet synchronous motor, coil windings are wound on stator, coil windings are formed using the coiling of at least one Square wire, Square wire is rectangle along the cross-sectional shape perpendicular to its extending direction, coil windings include winding ontology and two leading-out terminals, two ends of Square wire turn down outward along the direction of the first flat rotor away from coaxial-type permanent magnet synchronous motor and form two leading-out terminals, two leading-out terminals are respectively positioned on the same side of an end face far from other end of the stator core of coaxial-type permanent magnet synchronous motor, and close to the first plane, first plane is the outer end face of other end of the winding ontology far from stator core, the extending direction of two leading-out terminals is parallel to the first plane.The axial dimension of coaxial-type permanent magnet synchronous motor can be reduced.
Description
Technical field
The utility model belongs to motor field, is related to the coil winding arrangement and coaxial-type permanent magnet synchronous electric of a kind of stator
Machine.
Background technique
As the continuous consumption of non-renewable fossil energy and the mankind are for environment sustainable development understanding of importance
Constantly deepen, hybrid vehicle gradually comes into the visual field of the public, compares direct current generator and asynchronous machine, coaxial-type permanent-magnet synchronous
There is motor many advantages, such as high power density, small in size and speed regulating control are had excellent performance to be more and more widely used to electricity
Machine axial space and self weight require on harsh new energy hybrid vehicle.Coaxial-type permanent magnet synchronous motor is same with engine
Axis connection, due to being limited to the size in engine cabin, to the axial dimension of motor, just more stringent requirements are proposed,
Fig. 1, is a kind of schematic diagram of 1 structure of coil windings in the prior art, and Fig. 2 is another coil windings 1 in the prior art
The schematic diagram of structure, Fig. 3 are a kind of partial sectional views of the coil winding arrangement of stator in the prior art, please refer to Fig. 1,
Fig. 2 and Fig. 3, the stator winding structure of the motor loaded on existing hybrid vehicle include stator core 3, stator winding and
Distribution ring, the stator winding include U phase winding, V phase winding, W phase winding, and the stator core 3 has along the circumferential direction etc.
Away from spaced 3*N stator tooth pole, N is natural number, and the conducting wire of the stator winding is along the cross perpendicular to its extending direction
Cross sectional shape is circle, and the every conducting wire is wound into the coil windings 1 with setting the number of turns around the stator tooth pole, often
A phase winding is connected and composed by N number of coil windings 1, the coil windings that the every conducting wire is wound into relative to it
1, which turns up, to form two leading-out terminals 2 with setting length, and the leading-out terminal 2 of each coil windings 1 in same phase winding is logical
Distribution ring is crossed to be sequentially connected.
In the structure of Fig. 1 of the prior art and two kinds of coil windings 1 shown in Fig. 2, two outlets of the coil windings 1
End 2 is relative to the too far about 30mm in the distance between its close end face for coil windings 1 with them, the end of this 30mm
Length says to be entirely " redundancy " from the angle of electromagnetic design, and existing main purpose is exactly that stator is constituted together with distribution ring
UVW three-phase electrical connection, the axial length which will lead to motor is too long, in addition, the outlet of coil windings 1
It holds the connection at 2 to be generally also required to realize electrical connection by distribution ring, distributes the presence of ring assemblies again such that motor is axially total
Length, and distribution changes component and also not only increases the complexity of motor stator assembly technology, while also reducing machinery
Reliability of structure.
In addition, coil windings 1 in the prior art, which are all made of round conductor, carries out coiling, the under normal circumstances stator of motor
Mostly straight-tooth skewed slot is filled up a skewed slot as far as possible using round wires and needs a point several layers of carry out coilings when will lead to coil-winding,
As shown in figure 3, round wires outlet is connect with distribution ring for convenience simultaneously, it is also necessary to round wire be carried out cross-line, lead to round wires
Wire winding is sufficiently complex, more using 1 the number of turns of coil windings of round conductor coiling, reduces production efficiency.In addition, circle is led
When line coiling, the air gap will form between the place of three round wires contact, 1 total number of turns of coil windings also means that sky
Gas gap is more, and the copper factor that the air gap results in motor stator more is relatively low, and since the heat-transfer effect of air is poor, leads to electricity
Coil windings 1 are generated heat larger when machine works.
Utility model content
One of the purpose of this utility model is to provide the coil winding arrangement and coaxial-type permanent magnet synchronous electric of a kind of stator
Machine, to solve the problems, such as coaxial-type permanent magnet synchronous motor axial dimension redundancy in the prior art.
The another object of the utility model is to solve the round conductor of coaxial-type permanent magnet synchronous motor in the prior art
Between gap cause coil windings to be generated heat larger problem.
In order to solve the above technical problems, the utility model provides a kind of coil winding arrangement of stator, it to be used for coaxial-type
On permanent magnet synchronous motor, the coil windings are wound on the stator, the coil windings using at least one Square wire around
It makes, the Square wire is rectangle along the cross-sectional shape perpendicular to its extending direction；
The coil windings include winding ontology and two leading-out terminals, two ends of the Square wire along the first plane to
The direction of rotor far from the coaxial-type permanent magnet synchronous motor turns down outward forms described two leading-out terminals, described two outlets
End is respectively positioned on the same side of an end face far from other end of the stator core of the coaxial-type permanent magnet synchronous motor, and close
First plane, first plane are the outer end face of the other end of the winding ontology far from the stator core, institute
The extending direction for stating two leading-out terminals is parallel to first plane.
Preferably, described two leading-out terminals and first plane are equidistant.
Preferably, the coil windings are formed using the single Square wire coiling.
Preferably, long side coiling of the Square wire along the rectangle.
Preferably, broadside coiling of the Square wire along the rectangle.
Preferably, the coil windings are formed using the more Square wire coilings.
Preferably, the coil windings are formed using two Square wire coilings, and two Square wire long sides are parallel
Contact setting, and two Square wires, along the long side or broadside coiling of the first rectangle, first rectangle is two sides
The rectangle constituted after conducting wire long side is parallel along the cross section perpendicular to its extending direction.
Preferably, the coil windings are formed using two Square wire coilings, and two Square wire broadsides are parallel
Contact setting, and two Square wires, along the long side or broadside coiling of the second rectangle, second rectangle is two sides
The rectangle constituted after conducting wire broadside is parallel along the cross section perpendicular to its extending direction.
The utility model additionally provides a kind of coaxial-type permanent magnet synchronous motor, the coil windings knot including above-mentioned stator
Structure.
Compared with prior art, the utility model provides the coil winding arrangement and coaxial-type permanent-magnet synchronous of a kind of stator
Motor, the coil windings are wound on the stator, and the coil windings are formed using the coiling of at least one Square wire, described
Square wire is rectangle along the cross-sectional shape perpendicular to its extending direction, and the coil windings include winding ontology and two outlets
End, two ends of the Square wire are outside along the direction of the first flat rotor away from the coaxial-type permanent magnet synchronous motor
Fold forms described two leading-out terminals, and described two leading-out terminals are respectively positioned on the stator core of the coaxial-type permanent magnet synchronous motor
The same side of one end face far from other end, and close to first plane, first plane is that the winding ontology is remote
The outer end face of other end from the stator core, the extending direction of described two leading-out terminals are parallel to first plane,
The axial dimension of coil windings can be reduced, so that the axial dimension of coaxial-type permanent magnet synchronous motor is reduced, in addition, Square wire
The air gap between conducting wire can be eliminated, the copper factor of motor stator is improved, while improving the fever of coil windings, is mentioned
High motor performance.
Detailed description of the invention
Fig. 1 is a kind of schematic diagram of coil winding arrangement in the prior art；
Fig. 2 is the schematic diagram of another coil winding arrangement in the prior art；
Fig. 3 is a kind of partial sectional view of the coil winding arrangement of stator in the prior art；
Fig. 4 is a kind of structural schematic diagram of the coil windings for stator that the utility model embodiment one provides；
Fig. 5 is a kind of schematic diagram of the coil windings for stator that the utility model embodiment one provides；
Fig. 6 is a kind of partial sectional view of the coil winding arrangement for stator that the utility model embodiment one provides；
Fig. 7 is the partial sectional view of the coil winding arrangement for another stator that the utility model embodiment one provides；
Fig. 8 is a kind of partial sectional view of the coil winding arrangement for stator that the utility model embodiment two provides；
Fig. 9 is the partial sectional view of the coil winding arrangement for another stator that the utility model embodiment two provides；
Figure 10 is the partial sectional view of the coil winding arrangement for another stator that the utility model embodiment two provides；
Figure 11 is the partial sectional view of the coil winding arrangement for another stator that the utility model embodiment two provides；
Wherein, 1- coil windings；2- leading-out terminal；3- stator core；10,12- coil windings；11- leading-out terminal；13,14- is fixed
Sub- iron core；15- winding ontology.
Specific embodiment
Below in conjunction with the drawings and specific embodiments to the utility model proposes the coil winding arrangement of a kind of stator and same
Shaft type permanent magnet synchronous motor is described in further detail.According to claims and following explanation, the advantages of the utility model and
Feature will become apparent from.It should be noted that attached drawing is all made of very simplified form and using non-accurate ratio, only to side
Just, the purpose of the utility model embodiment is lucidly aided in illustrating.In attached drawing the same or similar appended drawing reference represent it is identical or
Similar component.
Embodiment one
Fig. 4, is a kind of structural schematic diagram for coil windings 10 that the utility model embodiment one provides, and Fig. 5 is that this is practical
A kind of schematic diagram for coil windings 10 that new embodiment one provides, Fig. 6 are that one kind that the utility model embodiment one provides is fixed
The partial sectional view of 10 structure of coil windings of son.Please refer to Fig. 4, Fig. 5 and Fig. 6, the utility model provides a kind of stator
10 structure of coil windings is used for coaxial-type permanent magnet synchronous motor, and the coil windings 10 are wound on the stator, the line
Circle winding 10 is formed using the coiling of at least one Square wire, and the Square wire is along the cross-sectional shape perpendicular to its extending direction
Rectangle, the coil windings 10 include winding ontology 15 and two leading-out terminals 11, and two ends of the Square wire are flat along first
It turns down form described two leading-out terminals outward away from the direction of the center line of the rotor of the coaxial-type permanent magnet synchronous motor
11, there are two end face, described two leading-out terminals 11 are respectively positioned on described the tool of stator core 13 of the coaxial-type permanent magnet synchronous motor
The same side of an end face far from other end of the stator core 13 of coaxial-type permanent magnet synchronous motor, and it is flat close to described first
Face, first plane is the outer end face of other end of the winding ontology 15 far from the stator core 13, described two
The extending direction of leading-out terminal 11 is parallel to first plane, can reduce the axial dimension of coaxial-type permanent magnet synchronous motor, make
The size of coaxial-type permanent magnet synchronous motor is more compact, while the stator winding uses the design for cancelling distribution ring, reduces
Manufacturing cost, improves the production efficiency of the stator assembly technology of coaxial-type permanent magnet synchronous motor, in addition, each coil
The conducting wire of winding 10 is rectangle along the cross sectional shape of its vertical length direction, eliminates the air gap between conducting wire, is improved
The copper factor of motor stator, while improving the fever of coil windings 10, improve motor performance.
Further, described two leading-out terminals 11 and first plane are equidistant, and facilitate the assembly of coil windings 10,
It should be appreciated that the purpose that such range is merely to illustrate, described two leading-out terminals 11 are at a distance from first plane
Can be unequal, it can be arranged according to demand in practice.
Further, the coil windings 10 are formed using the single Square wire coiling.
Further, long side coiling of the Square wire described in Fig. 6 along the rectangle.
Further, Fig. 7 is the partial cutaway of the coil winding arrangement for another stator that the utility model embodiment one provides
View, referring to FIG. 7, broadside coiling of the Square wire along the rectangle.
Embodiment two
Difference with embodiment one is: the coil windings 12 are wound on the stator core 14 using two Square wires
On, and two Square wires are along the single of the one kind provided perpendicular to the sum of sectional area of its extending direction and embodiment one
Square wire is equal along the sectional area perpendicular to its extending direction, can reduce the axial dimension of coil windings, to reduce same
The axial dimension of shaft type permanent magnet synchronous motor.
Fig. 8 is a kind of partial sectional view of 12 structure of coil windings for stator that the utility model embodiment two provides, asks
With reference to Fig. 8, the coil windings 12 are formed using two Square wire coilings, and two Square wires long side contacted in parallel is set
It sets, and two Square wires are wound on the stator core 14 along the long side of the first rectangle, first rectangle is described
The rectangle constituted after two Square wire long sides are parallel along the cross section perpendicular to its extending direction.
Fig. 9 is the partial sectional view of 12 structure of coil windings for another stator that the utility model embodiment two provides,
Referring to FIG. 9, further, the coil windings 12 are formed using two Square wire coilings, two Square wire long sides
Contacted in parallel setting, and two Square wires are wound on the stator core 14 along the broadside of the first rectangle, described first
The rectangle that rectangle is made of after parallel along the cross section perpendicular to its extending direction two Square wire long sides.
Figure 10 is the broken section of 12 structure of coil windings for another stator that the utility model embodiment two provides
Figure, referring to FIG. 10, further, the coil windings 12 are formed using two Square wire coilings, two Square wires
The setting of broadside contacted in parallel, and two Square wires are wound on the stator core 14 along the broadside of the second rectangle, it is described
The rectangle that second rectangle is made of after parallel along the cross section perpendicular to its extending direction two Square wire broadsides.
Figure 11 is the broken section of 12 structure of coil windings for another stator that the utility model embodiment two provides
Figure, please refers to Figure 11, and further, the coil windings 12 are formed using two Square wire coilings, two Square wires
The setting of broadside contacted in parallel, and two Square wires are wound on the stator core 14 along the broadside of the second rectangle, it is described
The rectangle that second rectangle is made of after parallel along the cross section perpendicular to its extending direction two Square wire broadsides.
It should be appreciated that the purpose that such range is merely to illustrate, the coil windings 12 can be using described in more
Square wire coiling, and the more Square wires are along one provided perpendicular to the sum of sectional area of its extending direction with embodiment one
The single Square wire of kind is equal along the sectional area perpendicular to its extending direction.The axial dimension that coil windings 12 can be reduced, from
And the axial dimension of coaxial-type permanent magnet synchronous motor is reduced, in addition, Square wire can eliminate the air gap between conducting wire, mention
The high copper factor of motor stator, while the fever of coil windings 12 is improved, improve motor performance.
Embodiment three
The utility model additionally provides a kind of coaxial-type permanent magnet synchronous motor, including a kind of stator provided by the above embodiment
Coil winding arrangement, the axial dimension of coil windings can be reduced, to reduce the axial direction of coaxial-type permanent magnet synchronous motor
Size improves the copper factor of motor stator, improves simultaneously in addition, Square wire can eliminate the air gap between conducting wire
The fever of coil windings, improves motor performance.
In conclusion the utility model provides the coil winding arrangement and coaxial-type permanent magnet synchronous motor of a kind of stator,
The coil windings are wound on the stator, and the coil windings are formed using the coiling of at least one Square wire, and the side leads
Line is rectangle along the cross-sectional shape perpendicular to its extending direction, and the coil windings include winding ontology and two leading-out terminals,
Two ends of the Square wire are turned-out along the direction of the first flat rotor away from the coaxial-type permanent magnet synchronous motor
Folding forms described two leading-out terminals, and described two leading-out terminals are respectively positioned on the one of the stator core of the coaxial-type permanent magnet synchronous motor
The same side of a end face far from other end, and close to first plane, first plane is that the winding ontology is separate
The outer end face of the other end of the stator core, the extending direction of described two leading-out terminals are parallel to first plane, can
To reduce the axial dimension of coil windings, so that the axial dimension of coaxial-type permanent magnet synchronous motor is reduced, in addition, Square wire can
To eliminate the air gap between conducting wire, the copper factor of motor stator is improved, while improving the fever of coil windings, is improved
Motor performance.
It should be noted that each embodiment in this specification is described in a progressive manner, each embodiment emphasis is said
Bright is the difference from other embodiments, and the same or similar parts in each embodiment may refer to each other.For reality
For applying test method disclosed in example, since the test device that it is used is corresponding with device part disclosed in embodiment, so
The test device being directed to is described relatively simple, related place illustrates referring to device part.
Foregoing description is only the description to the utility model preferred embodiment, not to any limit of the scope of the utility model
Fixed, any change, the modification that the those of ordinary skill in the utility model field does according to the disclosure above content belong to right and want
Seek the protection scope of book.
Claims (9)
1. a kind of coil winding arrangement of stator, is used for coaxial-type permanent magnet synchronous motor, the coil windings are wound on described
On stator, which is characterized in that the coil windings are formed using the coiling of at least one Square wire, and the Square wire is along perpendicular to it
The cross-sectional shape of extending direction is rectangle；
The coil windings include winding ontology and two leading-out terminals, two ends of the Square wire along first it is flat away from
The direction of the rotor of the coaxial-type permanent magnet synchronous motor turns down outward forms described two leading-out terminals, and described two leading-out terminals are equal
Positioned at the same side of an end face far from other end of the stator core of the coaxial-type permanent magnet synchronous motor, and close to described
First plane, first plane be the other end of the winding ontology far from the stator core outer end face, described two
The extending direction of a leading-out terminal is parallel to first plane.
2. a kind of coil winding arrangement of stator as described in claim 1, which is characterized in that described two leading-out terminals with it is described
First plane is equidistant.
3. a kind of coil winding arrangement of stator as described in claim 1, which is characterized in that the coil windings are using single
The Square wire coiling forms.
4. a kind of coil winding arrangement of stator as claimed in claim 3, which is characterized in that the Square wire is along the rectangle
Long side coiling.
5. a kind of coil winding arrangement of stator as claimed in claim 3, which is characterized in that the Square wire is along the rectangle
Broadside coiling.
6. a kind of coil winding arrangement of stator as described in claim 1, which is characterized in that the coil windings use more
The Square wire coiling forms.
7. a kind of coil winding arrangement of stator as claimed in claim 6, which is characterized in that the coil windings use two
The Square wire coiling forms, two Square wires long side contacted in parallel setting, and two Square wires are along the first rectangle
Long side or broadside coiling, first rectangle is after two Square wire long sides are parallel along the cross perpendicular to its extending direction
The rectangle that section is constituted.
8. a kind of coil winding arrangement of stator as claimed in claim 6, which is characterized in that the coil windings use two
The Square wire coiling forms, two Square wires broadside contacted in parallel setting, and two Square wires are along the second rectangle
Long side or broadside coiling, second rectangle is after two Square wire broadsides are parallel along the cross perpendicular to its extending direction
The rectangle that section is constituted.
9. a kind of coaxial-type permanent magnet synchronous motor, which is characterized in that the line including such as described in any item stators of claim 1-8
Coil winding structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822010839.XU CN209402275U (en) | 2018-11-30 | 2018-11-30 | A kind of coil winding arrangement and coaxial-type permanent magnet synchronous motor of stator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822010839.XU CN209402275U (en) | 2018-11-30 | 2018-11-30 | A kind of coil winding arrangement and coaxial-type permanent magnet synchronous motor of stator |
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| Publication Number | Publication Date |
|---|---|
| CN209402275U true CN209402275U (en) | 2019-09-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822010839.XU Active CN209402275U (en) | 2018-11-30 | 2018-11-30 | A kind of coil winding arrangement and coaxial-type permanent magnet synchronous motor of stator |
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| CN (1) | CN209402275U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021169448A1 (en) * | 2020-02-25 | 2021-09-02 | 上海磁雷革传动***有限公司 | Coil, stator, and motor |
| WO2022142630A1 (en) * | 2020-12-31 | 2022-07-07 | 江苏中车电机有限公司 | Method for adjusting motor coil end portion gap |
-
2018
- 2018-11-30 CN CN201822010839.XU patent/CN209402275U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021169448A1 (en) * | 2020-02-25 | 2021-09-02 | 上海磁雷革传动***有限公司 | Coil, stator, and motor |
| WO2022142630A1 (en) * | 2020-12-31 | 2022-07-07 | 江苏中车电机有限公司 | Method for adjusting motor coil end portion gap |
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