CN209046380U - A kind of stator winding and disc type electric machine - Google Patents
A kind of stator winding and disc type electric machine Download PDFInfo
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- CN209046380U CN209046380U CN201821850979.1U CN201821850979U CN209046380U CN 209046380 U CN209046380 U CN 209046380U CN 201821850979 U CN201821850979 U CN 201821850979U CN 209046380 U CN209046380 U CN 209046380U
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Abstract
It includes: m phase electromagnetism winding that the utility model, which discloses a kind of stator winding and disc type electric machine, the stator winding,.Electromagnetism winding described in each phase is by a conductor loop around forming；The electromagnetism winding includes n winding element, and n is more than or equal to 1；The adjacent winding element is connected in series, and each winding element includes k coil group, and k is more than or equal to 1；The adjacent coil group is connected in series；When energization, the magnetic direction that the adjacent coil group in the same winding element generates is on the contrary, the magnetic direction of the identical coil windings generation of the adjacent winding element internal sort is consistent.The single-phase one-pass molding of electromagnetism winding of the utility model setting, and using conductor loop around forming, no-welding-spot, enormously simplify processing and the packaging technology of electromagnetism winding, improve copper factor, improve thermal diffusivity, the reliability of stator winding and whole disc type electric machine and power is made to be greatly improved.
Description
Technical field
The utility model relates to disc type electric machine technical fields, more particularly to a kind of stator winding and disc type electric machine.
Background technique
The stator winding of motor refers to the polyphase electromagnetic winding being mounted on motor stator.Electromagnetism winding is by one or more
A coil is constituted, and according to the difference of the cross section of coil, is divided into circular coil and square coil.
Circular coil effective sectional area is smaller, and copper factor is low, and air conduction coefficient is smaller, and coil heat dissipation effect is poor, sternly
The overall performance of hub motor is affected again；Square coil is due to being rectangular section, and effective sectional area is high, in identical groove area
In the case of, square coil can reach higher copper factor, can reach higher power, existing square coil by more high current
Form-wound coils mode include distribution form-wound coils and Waveform shaping winding, be distributed the processing of form-wound coils and Waveform shaping winding
Mode are as follows: first by proprietary bending machinery by single turn square coil bending, then weld the end of single turn square coil, realize same phase
Interior coil connection, it is clear that existing square coil is there are form-wound coils processing and the assembly process is complicated, solder joint is more, finished product reliability
And the disadvantages such as power is low, therefore the stator winding and disc type electric machine being made of square coil also certainly exist reliability and
The low disadvantage of power.
Utility model content
The purpose of the utility model is to provide a kind of stator winding and disc type electric machines, to improve stator winding and disc type electricity
The reliability and power that machine uses.
To achieve the above object, the utility model provides a kind of stator winding, and the stator winding includes: m phase electromagnetism
Winding, wherein m is more than or equal to 2；Electromagnetism winding described in each phase is by a conductor loop around forming；Electromagnetism winding star described in m phase
It connects；
The electromagnetism winding includes n winding element, and n is more than or equal to 1；The adjacent winding element is connected in series, respectively
The winding element includes k coil group, and k is more than or equal to 1；The adjacent coil group is connected in series；When energization, the same institute
The magnetic direction of the adjacent coil group generation in winding element is stated on the contrary, the adjacent winding element internal sort is identical
The magnetic direction that the coil group generates is consistent.
Optionally, the number of the coil group should meet following relational expression:
Wherein, k be each winding element coil group number, q be stator tooth number, m be electromagnetism around
The number of phases of group, n are the number of winding element.
Optionally, each coil group in the same winding element is wrapped on adjacent stator tooth, adjacent
Winding element is wound on the stator teeth according to the stator tooth span of setting.
Optionally, the stator tooth span of the setting should meet following relationship:
Wherein, k ' is the stator tooth span of setting, and q is the number of stator tooth, and m is the number of phases of electromagnetism winding, n
For the number of winding element.
Optionally, each coil group is arranged along stator tooth spiral continuous winding；The winding of each coil group is fixed
The number of turns of sub- tooth is identical.
Optionally, the conducting wire is the hard copper wire that section is rectangle.
Optionally, the conducting wire is copper enameled wire.
The utility model also provides a kind of disc type electric machine, and the disc type electric machine includes stator winding, stator core, described fixed
Sub- winding and the stator core constitute stator；The stator winding is set on the stator tooth of the stator core.
Optionally, it is isolated between the stator winding and the stator tooth using insulating materials.
Optionally, the disc type electric machine further include: magnetic slot-seal, the magnetic slot-seal are arranged on the upside of the coil group,
For compressing the coil group, prevents the coil group from dropping out from the stator slot of stator core, reduce coil vibration, and magnetic
Slot wedge has magnetic conductivity, can improve air gap magnetic density waveform, reduces motor oscillating and idle electric current, improves the performance of motor.
According to specific embodiment provided by the utility model, the utility model discloses following technical effects:
Electromagnetism winding described in each phase of the utility model setting is by a conductor loop around forming；The electromagnetism winding includes
N winding element, n are more than or equal to 1；The adjacent winding element is connected in series, and each winding element includes k coil
Group, k are more than or equal to 1；The adjacent coil group is connected in series；Adjacent institute when energization, in the same winding element
The magnetic direction of coil group generation is stated on the contrary, the magnetic field side that the identical coil group of the adjacent winding element internal sort generates
To consistent.The single-phase one-pass molding of electromagnetism winding of the utility model setting, and using conductor loop around forming, no-welding-spot,
Processing and the packaging technology of electromagnetism winding are enormously simplified, copper factor is improved, improves thermal diffusivity, makes stator winding and integral disc
The reliability and power of formula motor are greatly improved.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Needed in attached drawing be briefly described, it should be apparent that, the accompanying drawings in the following description is only the utility model
Some embodiments for those of ordinary skill in the art without creative efforts, can also be according to this
A little attached drawings obtain other attached drawings.
Fig. 1 is the utility model embodiment electromagnetism winding construction figure；
Fig. 2 is the utility model embodiment single-phase electromagnetic winding installation diagram；
Fig. 3 is the utility model embodiment three-phase electromagnetic winding installation diagram；
Fig. 4 is the utility model embodiment stator core construction figure；
Fig. 5 is the hard copper wire and round wires copper factor comparison diagram that the utility model embodiment section is rectangle.
Wherein, 1, electromagnetism winding, 2, winding element, 3, coil group, 4, stator core, 5, stator slot, 6, stator tooth, 7, magnetic
Property slot wedge, 8, hard copper wire, 9, round wires, 10, air.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
The purpose of the utility model is to provide a kind of stator winding and disc type electric machines, to improve stator winding and disc type electricity
The reliability and power that machine uses.
To keep the above objects, features, and advantages of the utility model more obvious and easy to understand, with reference to the accompanying drawing and have
Body embodiment is described in further detail the utility model.
Fig. 1 is the utility model embodiment electromagnetism winding construction figure, and Fig. 2 is the utility model embodiment single-phase electromagnetic winding
Installation diagram；Fig. 3 is the utility model embodiment three-phase electromagnetic winding installation diagram；Fig. 4 is the utility model embodiment
Stator core construction figure；As shown in Figs 1-4, the utility model provides a kind of stator winding, and the stator winding includes: m phase electricity
Magnetic winding 1, wherein m is more than or equal to 2；Electromagnetism winding 1 described in each phase is by a conductor loop around forming；Electromagnetism winding described in m phase
1 star connects；
The electromagnetism winding 1 includes n winding element 2, and n is more than or equal to 1；The adjacent winding element 2 is connected in series,
Each winding element 2 includes k coil group 3, and k is more than or equal to 1；The adjacent coil group 3 is connected in series；When energization, together
The magnetic direction that the adjacent coil group 3 in one winding element 2 generates is on the contrary, in the adjacent winding element 2
The magnetic direction that the identical coil group 3 generates that sorts is consistent.
As an implementation, the number of coil group 3 described in the utility model should meet following relational expression:
Wherein, k is the number of the coil group 3 of each winding element 2, and q is the number of stator tooth 6, and m is electromagnetism
The number of phases of winding 1, n are the number of winding element 2.
As an implementation, each coil group 3 in the same winding element 2 of the utility model is wound
On adjacent stator tooth 6, adjacent winding element 2 is wound on stator tooth 6 according to the stator tooth span of setting.
As an implementation, the stator tooth span of setting described in the utility model should meet following relationship:
Wherein, k ' is the stator tooth span of setting, and q is the number of stator tooth 6, and m is the phase of electromagnetism winding 1
Number, n are the number of winding element 2.
As an implementation, each coil group 3 of the utility model along 6 spiral continuous winding of stator tooth arrange and
At.
As an implementation, the number of turns of the winding stator tooth 6 of each coil group 3 of the utility model is identical.
As an implementation, conducting wire described in the utility model is the hard copper wire 8 that section is rectangle.
As an implementation, conducting wire described in the utility model is copper enameled wire.
The utility model also provides a kind of disc type electric machine, and the disc type electric machine includes stator winding, stator core 4, described
Stator winding and the stator core 4 constitute stator；The stator winding is set on the stator tooth 6 of the stator core 4.
As an implementation, disc type electric machine described in the utility model further include: magnetic slot-seal 7 is arranged in the line
3 upside of circle group prevents the coil group 3 from dropping out from the stator slot 5 of stator core 4, reduces for compressing the coil group 3
Coil vibration, and magnetic slot-seal has good magnetic conductivity, improves air gap magnetic density waveform, reduces torque ripple and idle electric current,
Improve the performance of motor.
Fig. 5 is 9 copper factor comparison diagram of the hard copper wire 8 that the utility model embodiment section is rectangle and round wires, such as Fig. 5 institute
Show, respectively by hard copper wire 8 and the winding setting of round wires 9, wherein due to close-packed arrays between hard copper wire turn, it is fixed to make full use of
The space of pilot trench 5 reduces the gap of the generation of air 10, improves copper factor, power of motor and efficiency is improved, in addition, line and line
Between come into full contact with, thermal conductivity is good, can reduce the temperature rise of motor.
The electromagnetism winding construction being arranged using the utility model, is had the advantage that
The single-phase one-pass molding of electromagnetism winding disclosed by the utility model, and using conductor loop around forming, no-welding-spot,
Processing and the packaging technology for enormously simplifying electromagnetism winding make the reliability and power of stator winding and whole disc type electric machine
It is greatly improved.
Electromagnetism disclosed by the utility model can be used as standardized element keeping and store and repair replacement, improve after composing type
Production efficiency reduces maintenance cost.
Electromagnetism winding construction disclosed by the utility model is standardized structural, and electromagnetism winding need to be only set in stator iron
On the stator tooth of the heart, the convenience of mechanization installation electromagnetism winding is improved.
Each embodiment in this specification is described in a progressive manner, the highlights of each of the examples are with other
The difference of embodiment, the same or similar parts in each embodiment may refer to each other.
Specific case used herein is expounded the principles of the present invention and embodiment, above embodiments
Explanation be merely used to help understand the method and its core concept of the utility model；Meanwhile for the general technology of this field
Personnel, based on the idea of the present invention, there will be changes in the specific implementation manner and application range.In conclusion
The content of the present specification should not be construed as a limitation of the present invention.
Claims (10)
1. a kind of stator winding, which is characterized in that the stator winding includes: m phase electromagnetism winding, wherein m is more than or equal to 2；Respectively
Electromagnetism winding described in phase is by a conductor loop around forming；Electromagnetism winding star described in m phase connects；
The electromagnetism winding includes n winding element, and n is more than or equal to 1；The adjacent winding element is connected in series, each described
Winding element includes k coil group, and k is more than or equal to 1；The adjacent coil group is connected in series；When energization, it is same it is described around
The magnetic direction that the adjacent coil group in group unit generates is on the contrary, the adjacent winding element internal sort is identical described
The magnetic direction that coil group generates is consistent.
2. stator winding according to claim 1, which is characterized in that the number of the coil group should meet following relationship
Formula:
Wherein, k is the number of the coil group of each winding element, and q is the number of stator tooth, and m is the phase of electromagnetism winding
Number, n are the number of winding element.
3. stator winding according to claim 1, which is characterized in that each coil in the same winding element
Group is wrapped on adjacent stator tooth, and adjacent winding element is wound on the stator teeth according to the stator tooth span of setting.
4. stator winding according to claim 3, which is characterized in that the stator tooth span of the setting should meet with ShiShimonoseki
It is formula:
Wherein, k ' be setting stator tooth span, q be stator tooth number, m be electromagnetism winding the number of phases, n be around
The number of group unit.
5. stator winding according to claim 3, which is characterized in that each coil group is along stator tooth spiral continuous winding
It arranges；The number of turns of the winding stator tooth of each coil group is identical.
6. stator winding according to claim 1, which is characterized in that the conducting wire is the hard copper wire that section is rectangle.
7. stator winding according to claim 1, which is characterized in that the conducting wire is copper enameled wire.
8. a kind of disc type electric machine, which is characterized in that the disc type electric machine include the described in any item stators of claim 1-7 around
Group, stator core, the stator winding and the stator core constitute stator；The stator winding is set in the stator core
Stator tooth on.
9. disc type electric machine according to claim 8, which is characterized in that utilized between the stator winding and the stator tooth
Insulating materials isolation.
10. disc type electric machine according to claim 8, which is characterized in that the disc type electric machine further include: magnetic slot-seal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821850979.1U CN209046380U (en) | 2018-11-12 | 2018-11-12 | A kind of stator winding and disc type electric machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821850979.1U CN209046380U (en) | 2018-11-12 | 2018-11-12 | A kind of stator winding and disc type electric machine |
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| Publication Number | Publication Date |
|---|---|
| CN209046380U true CN209046380U (en) | 2019-06-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821850979.1U Active CN209046380U (en) | 2018-11-12 | 2018-11-12 | A kind of stator winding and disc type electric machine |
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| Country | Link |
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| CN (1) | CN209046380U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US12095319B2 (en) | 2021-08-02 | 2024-09-17 | Huawei Digital Power Technologies Co., Ltd. | Motor stator, drive motor, and electric vehicle |
-
2018
- 2018-11-12 CN CN201821850979.1U patent/CN209046380U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US12095319B2 (en) | 2021-08-02 | 2024-09-17 | Huawei Digital Power Technologies Co., Ltd. | Motor stator, drive motor, and electric vehicle |
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