CN207766053U - A kind of evenly arranged winding construction and stator, rotor, motor - Google Patents
A kind of evenly arranged winding construction and stator, rotor, motor Download PDFInfo
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- CN207766053U CN207766053U CN201721901530.9U CN201721901530U CN207766053U CN 207766053 U CN207766053 U CN 207766053U CN 201721901530 U CN201721901530 U CN 201721901530U CN 207766053 U CN207766053 U CN 207766053U
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Abstract
The utility model discloses a kind of evenly arranged winding construction, a kind of stator, a kind of rotor and a kind of motors, for solving the technical issues of winding eddy current loss is unevenly distributed caused by Kelvin effect in the prior art.The evenly arranged winding construction includes winding, and each phase winding includes the branch winding of several parallel connections, and the branch winding is located at different depth layers in wire casing, the conducting wire of single-row multilayer is arranged in the wire casing.The utility model efficiently avoids because each unbalanced problem of branch winding eddy current loss in parallel caused by winding Kelvin effect, makes motor operation balance, improve the reliability service ability of motor.
Description
Technical field
The utility model is related to a kind of machine winding structures, and in particular to a kind of evenly arranged flat type copper wire winding construction.
The utility model further relates to a kind of stator, a kind of rotor, a kind of motor.
Background technology
With environmental pollution worsening and New Energy Industry flourish, electric vehicle with its low discharge capacity, efficiently
Rate, the advantage of low cost gradually replace conventional fuel oil car, and extensive popularization has been obtained in passenger car, commercial car field.Wherein, it drives
Dynamic core component of the motor as electric vehicle, often requires that it with higher torque/power density, wider speed governing model
It encloses, larger overload capacity etc., more higher requirements is proposed to the electromagnetic design of automobile drive motor, and existing driving is electric
Machine mostly uses loose wire as stator winding.
Illustrate by taking stator winding as an example, stator winding is relatively low using round wires random-wound coils copper factor, copper loss is higher, usually makes
The power density and high efficient district of motor reduce.Secondly because being influenced difference by Kelvin effect when different location in wire casing, lead
It causes certain use flat type copper wire winding electric machines winding eddy current loss occur to be unevenly distributed, the ectonexine winding temperature difference of stator slot
It is very big, burn insulation system, the insecure problem of motor operation.
Utility model content
In view of problems of the prior art, the utility model provides a kind of evenly arranged winding construction, solves
Each branch current is asymmetric in winding caused by Kelvin effect, the ectonexine winding temperature difference in same wire casing is big, easily
Motor is set the technical problems such as to break down.
In order to achieve the above objectives, the technical solution of the utility model is realized in：
The utility model provides a kind of evenly arranged winding construction, including winding, each phase winding include several parallel connections
Branch winding, the branch winding is located at different depth layers in wire casing, the conducting wire of single-row multilayer is arranged in the wire casing.
Optionally, the branch winding is in series by several lead units, and the lead unit takes the shape of the letter U polyline shaped, tool
There are two connecting pin, two connecting pins are located at the same end of the wire casing, and concatenated lead unit is carried out in adjacent connecting pin
It is welded to connect.
Optionally, the conducting wire of the lead unit two-arm also is located at different depth layers in shown wire casing.
Optionally, the two-arm of lead unit is located at from outside to inside in continuous half wire casing in the branch winding
First layer, the second layer, be located in other continuous half wire casing from outside to inside third layer, the 4th layer.
Optionally, the wire casing is wide flat-bottom slot, the width of the width of the wire casing and the conducting wire being located therein
It is adapted, the thickness summation of the depth of the wire casing and the conducting wire being located therein is adapted.
Optionally, the span of the branch winding is respectively N/2p-1, N/2p and N/2p+1, and wherein N is wire casing number, and p is
Motor number of pole-pairs.
Optionally, winding described in each phase includes the branch winding of two-way parallel connection, and single-row four layers are arranged in the wire casing
Conducting wire.
Optionally, the winding is three-phase windings or two phase windings, and the winding is stator winding or rotor windings.
The utility model also provides a kind of stator, wire casing is provided on madial wall, including above-described evenly arranged
Winding construction.
The utility model also provides a kind of rotor, wire casing is provided on lateral wall, including above-described evenly arranged
Winding construction.
The utility model also provides a kind of motor, including above-described stator and/or above-described rotor.
It is had the following advantages using the evenly arranged winding construction of above-mentioned technical proposal：
Winding in the utility model is provided with multiple parallel branches, by the way that each parallel branch conductor of winding is uniform
It is arranged in rotor/stator wire casing, efficiently avoids because of each branch winding vortex damage in parallel caused by winding Kelvin effect
Unbalanced problem is consumed, to make motor operation balance, improves the reliability service ability of motor.
It is had the following advantages using the stator, rotor, motor of above-mentioned technical proposal：
Compared to loose wire winding construction, line copper factor can be improved using flat copper cable architecture in the utility model, improves effective
Amount of copper, then the loss of electric machine reduces at this time, and efficiency improves, while power of motor density and cost performance can be made to be improved again.
Compared to loose wire winding construction, flat copper line winding can be made as form-wound coils, and winding processing is simple, embedding speed
Soon, easy to operate, rotor/stator winding inserting cost is saved, suitable for large batch of full-automatic production.
Description of the drawings
Fig. 1 is the stereogram (including A, B, C three-phase windings) of the stator in the utility model embodiment；
Fig. 2 is the stereogram (only A phase windings) of the stator in the utility model embodiment；
Fig. 3 is the enlarged drawing at the winding welding end in the utility model embodiment；
Fig. 4 is the enlarged drawing at the winding non-solder end in the utility model embodiment；
Fig. 5 is the A phase winding wiring diagrams in the utility model embodiment；
Fig. 6 is layout viewing of the A phase windings in stator slot in the utility model embodiment；
Fig. 7 is the winding stereogram (including A, B, C three-phase windings) in the utility model embodiment；
Fig. 8 is eddy-current loss cloud charts in the winding caused by Kelvin effect.
In figure：101. stator core；102. winding non-solder end；103. winding welding end；104. winding external part；105.
Bridge winding wire；106. plumb joint；107. parallel branch A1；108. parallel branch A2；109. three-phase windings；110. wire casing.
Specific implementation mode
It is new to this practicality below in conjunction with attached drawing to keep the purpose of this utility model, technical solution and advantage clearer
Type embodiment is described in further detail.
Embodiment 1
It is as shown in the figure stator winding if Fig. 1, Fig. 4, Fig. 5, Fig. 7 show the utility model embodiment 1, stator core
If being provided with main slot 110 on 101 madial walls.
In this embodiment, a kind of evenly arranged winding construction, including winding, the winding in the present embodiment be wave around
Group, each phase winding include the branch winding of several parallel connections, and branch winding is located at different depth layers, wire casing in wire casing 110
The conducting wire of single-row multilayer is set in 110.
Winding is three-phase windings 109 in the present embodiment, A, B, C three-phase is defined as, as shown in fig. 7, in Fig. 2, Fig. 5, Fig. 6
It is shown explanation by taking A phase windings as an example.
A phase windings include branch winding A1, A2 of two-way parallel connection, and single-row four layers of conducting wire is arranged in wire casing 110.With branch
The increase of road winding quantity, the number of plies of conducting wire can also increase in wire casing 110, such as increase to six layers, eight layers, ten layers etc..
Black in Fig. 6 is parallel branch A1, and grayish is parallel branch A2, and shade here is only to be
Difference parallel branch and the shade in Fig. 8 indicate that meaning is different, and the shade in Fig. 8 indicates eddy-current loss size.
Parallel branch A1 and parallel branch A2 is that head parallel connection shared winding external part 104, a tail portion are connected to neutrality
Point, the X1 in Fig. 5 are the tail portions of parallel branch A1, and X2 is the tail portion of parallel branch A2.
As shown in figure 5, branch winding is in series by several lead units, lead unit takes the shape of the letter U polyline shaped, and there are two tools
Connecting pin, two connecting pins are located at the same end of wire casing 110, and concatenated lead unit carries out welding company in adjacent connecting pin
It connects.
Lead unit is winding welding end 103 and winding non-solder end 102, two companies respectively in 110 rear and front end of wire casing
It connects end and is located at 103 side of winding welding end.
Lead unit is integrally inserted into wire casing 110 and then implements to weld to each lead unit, you can realize series connection,
It is designed to that the lead unit of U-shaped polyline shaped improves embedding speed, easy to operate, saves stator winding embedding cost.
The conducting wire of lead unit two-arm also is located at different depth layers in wire casing 110, is more advantageous to balanced vortex in this way
Loss.Specifically, the two-arm of lead unit is located at from outside to inside first in continuous half wire casing 110 in branch winding
Layer, the second layer, be located in other continuously half wire casing 110 from outside to inside third layer, the 4th layer.
In the present embodiment, the setting of the number of plies of parallel branch A1 and parallel branch A2 is opposite, when parallel branch A1
When first layer from outside to inside, the second layer, parallel branch A2 be located at from outside to inside third layer, the 4th layer；When parallel branch A1
When third layer from outside to inside, the 4th layer, parallel branch A2 is located at first layer, the second layer from outside to inside.
As shown in figure 3, the position being welded to connect is provided with plumb joint 106, plumb joint 106 is by two connections of lead unit
End directly welding is formed, as shown in figure 4, lead unit is provided with arc-shaped bend interconnecting piece at winding non-solder end 102, it should
Arc-shaped bend interconnecting piece can allow the two-arm of lead unit to be in different height, so as into different in leading groove 110
Depth layer.
As shown in fig. 6, wire casing 110 is wide flat-bottom slot, it is rectangle with rounded corners, line that conducting wire, which uses flat type copper wire, section,
The width of the width of slot 110 and the conducting wire being located therein be adapted, the depth of wire casing 110 and the thickness of conducting wire being located therein
Summation is adapted.
Compared to loose wire winding construction, stator copper factor can be improved using flat copper cable architecture, improve effective copper consumption, then this
When the loss of electric machine reduce, efficiency improves, while power of motor density and cost performance can be made to be improved again.
Compared to loose wire winding construction, flat copper line winding can be made as form-wound coils, and winding processing is simple, embedding speed
Soon, easy to operate, stator winding embedding cost is saved, suitable for large batch of full-automatic production.
A phase windings occupy some wire casings 110 in Fig. 6, and some occupies whole spaces, and some occupies a half space,
The half space not occupied and other completely vacant wire casings 110 leave B phase windings and C phase windings for.
In the present embodiment, the span of branch winding is respectively N/2p-1, N/2p and N/2p+1, and wherein N is wire casing number, p
For motor number of pole-pairs.As shown in figure 5, the wire casing number N=48 of stator in the present embodiment, motor number of pole-pairs p=4, branch winding
Span be respectively 5 slots, 6 slots, 7 slots.
It needs that bridging winding wire 105 is arranged to connect in certain positions in branch winding.
Winding may be designed in two phase windings in the present embodiment, may be designed in rotor windings,.
As shown in figure 8, eddy-current loss distribution is gradually reduced from inside to outside in the winding caused by Kelvin effect, it is located at most interior
4. eddy-current loss is maximum in layer for the of side, and the 3. 2. 1. eddy-current loss is gradually reduced in layer for layer, for layer, the.This objective phenomenon
It itself can not avoid, but by the way that each parallel branch conductor of each phase winding to be evenly spaced in stator slot, by two
Parallel branch is evenly distributed, ensure that the winding current of every parallel branch is equal, ensure that the ectonexine winding in stator slot
Fever is uniform, and temperature difference reduces, and makes motor more reliability service.
Specifically in fig. 8, the two-arm of lead unit be located in continuous half wire casing from outside to inside 1. layer,
The 2. layer is located at the 3. 4. layer of layer, the from outside to inside in other continuous half wire casing.
Embodiment 2
In the present embodiment, a kind of stator is provided, wire casing is provided on stator madial wall, further includes described in embodiment 1
Evenly arranged winding construction.
The concrete structure of evenly arranged winding construction is not repeated to describe herein in the present embodiment.
Embodiment 3
In the present embodiment, a kind of rotor is provided, wire casing is provided on rotor lateral wall, further includes described in embodiment 1
Evenly arranged winding construction.
The concrete structure of evenly arranged winding construction is not repeated to describe herein in the present embodiment.
Embodiment 4
In the present embodiment, a kind of motor is provided, including described in stator described in embodiment 2 and/or embodiment 3
Rotor.
Evenly arranged winding construction is in the same manner as in Example 1 in the present embodiment, is not repeated to describe herein.
The above is only the preferred embodiments of the present utility model only, is not intended to limit the scope of protection of the utility model.
It is new to be all contained in this practicality for any modification, equivalent substitution, improvement and etc. made within the spirit and principle of the present invention
In the protection domain of type.
Claims (10)
1. a kind of evenly arranged winding construction, which is characterized in that including winding, each phase winding includes the branch of several parallel connections
Winding, the branch winding are located at different depth layers in wire casing, the conducting wire of single-row multilayer are arranged in the wire casing.
2. evenly arranged winding construction according to claim 1, which is characterized in that the branch winding is by several conducting wires
Unit is in series, and the lead unit takes the shape of the letter U polyline shaped, and there are two connecting pins for tool, and two connecting pins are located at the wire casing
The same end, concatenated lead unit are welded to connect in adjacent connecting pin.
3. evenly arranged winding construction according to claim 2, which is characterized in that the conducting wire of the lead unit two-arm
Different depth layers also is located in shown wire casing.
4. evenly arranged winding construction according to claim 3, which is characterized in that lead unit in the branch winding
Two-arm first layer, the second layer from outside to inside are located in continuous half wire casing, in other continuous half wire casing
Be located at from outside to inside third layer, the 4th layer.
5. evenly arranged winding construction according to claim 1, which is characterized in that the wire casing is wide flat-bottom slot,
The width of the wire casing and the width of the conducting wire being located therein are adapted, and the depth of the wire casing and are located therein described
The thickness summation of conducting wire is adapted.
6. evenly arranged winding construction according to claim 1, which is characterized in that the span of the branch winding is distinguished
It is wire casing number for N/2p-1, N/2p and N/2p+1, wherein N, p is motor number of pole-pairs.
7. evenly arranged winding construction according to claim 1, which is characterized in that winding described in each phase includes two-way
Single-row four layers of conducting wire is arranged in the wire casing in branch winding in parallel.
8. a kind of stator, it is provided with wire casing on madial wall, which is characterized in that including described claim 1-7 any one of them
Evenly arranged winding construction.
9. a kind of rotor, it is provided with wire casing on lateral wall, which is characterized in that including described claim 1-7 any one of them
Evenly arranged winding construction.
10. a kind of motor, which is characterized in that including the rotor described in stator according to any one of claims 8 and/or claim 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721901530.9U CN207766053U (en) | 2017-12-29 | 2017-12-29 | A kind of evenly arranged winding construction and stator, rotor, motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721901530.9U CN207766053U (en) | 2017-12-29 | 2017-12-29 | A kind of evenly arranged winding construction and stator, rotor, motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207766053U true CN207766053U (en) | 2018-08-24 |
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ID=63185920
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721901530.9U Active CN207766053U (en) | 2017-12-29 | 2017-12-29 | A kind of evenly arranged winding construction and stator, rotor, motor |
Country Status (1)
| Country | Link |
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| CN (1) | CN207766053U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110829641A (en) * | 2019-10-29 | 2020-02-21 | 合肥巨一动力***有限公司 | Hairpin flat wire motor stator and hairpin flat wire motor |
| CN114337154A (en) * | 2021-12-31 | 2022-04-12 | 珠海格力电器股份有限公司 | Three-phase single-layer chain type winding wire embedding method, stator assembly and three-phase motor |
| CN114337033A (en) * | 2021-09-22 | 2022-04-12 | 华为数字能源技术有限公司 | Three-phase flat wire wave winding structure, three-phase motor, power assembly and vehicle |
-
2017
- 2017-12-29 CN CN201721901530.9U patent/CN207766053U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110829641A (en) * | 2019-10-29 | 2020-02-21 | 合肥巨一动力***有限公司 | Hairpin flat wire motor stator and hairpin flat wire motor |
| CN110829641B (en) * | 2019-10-29 | 2022-04-01 | 合肥巨一动力***有限公司 | Hairpin flat wire motor stator and hairpin flat wire motor |
| CN114337033A (en) * | 2021-09-22 | 2022-04-12 | 华为数字能源技术有限公司 | Three-phase flat wire wave winding structure, three-phase motor, power assembly and vehicle |
| CN114337154A (en) * | 2021-12-31 | 2022-04-12 | 珠海格力电器股份有限公司 | Three-phase single-layer chain type winding wire embedding method, stator assembly and three-phase motor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20190402 Address after: 100070 Six Floors of Building 11B2, Science City, Fengtai District, Beijing Patentee after: Beijing Power Source New Energy Technology Co., Ltd. Address before: 100070 No. 8 Xinghuo Road, Fengtai Science Park, Fengtai District, Beijing Patentee before: Beijing Power Producer Science and Technology Co., Ltd. |