CN109309424A - A kind of flat wire motor stator structure and its processing technology - Google Patents
A kind of flat wire motor stator structure and its processing technology Download PDFInfo
- Publication number
- CN109309424A CN109309424A CN201710637350.2A CN201710637350A CN109309424A CN 109309424 A CN109309424 A CN 109309424A CN 201710637350 A CN201710637350 A CN 201710637350A CN 109309424 A CN109309424 A CN 109309424A
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- China
- Prior art keywords
- flat wire
- stator
- wire conductor
- layer
- motor stator
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K15/00—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines
- H02K15/10—Applying solid insulation to windings, stators or rotors
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K3/00—Details of windings
- H02K3/04—Windings characterised by the conductor shape, form or construction, e.g. with bar conductors
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K3/00—Details of windings
- H02K3/04—Windings characterised by the conductor shape, form or construction, e.g. with bar conductors
- H02K3/28—Layout of windings or of connections between windings
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K3/00—Details of windings
- H02K3/32—Windings characterised by the shape, form or construction of the insulation
- H02K3/34—Windings characterised by the shape, form or construction of the insulation between conductors or between conductor and core, e.g. slot insulation
- H02K3/345—Windings characterised by the shape, form or construction of the insulation between conductors or between conductor and core, e.g. slot insulation between conductor and core, e.g. slot insulation
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Windings For Motors And Generators (AREA)
Abstract
The invention discloses a kind of flat wire motor stator structures, including stator core, flat wire conductor, stator slot is set in the stator core, the stator slot is rectangular configuration, the flat wire conductor is placed in the stator slot, insulating layer is equipped in the stator slot, for realizing the insulating properties between the stator slot and the flat wire conductor, the flat wire conductor is triphasic wave windings in series structure, space in slot can be maximally utilised, naked copper fill-in ratio in slot is improved, and end height is smaller, efficiency is higher, power density is larger.
Description
Technical field
The present invention relates to flat wire motor stator structures, and in particular to flat wire motor stator winding structure and processing technology.
Background technique
Flat wire conductor is mainly used in the large-size machines equipment such as wind-driven generator, hydroelectric generator at present, outer in recent years
Providing in the middle and high end electric generator of vehicle of brand has large-scale application, especially using the client of Toyota sedan system and thunder rice as representative
In universal vehicle system, the application of flat wire motor is at most.And in new-energy automobile, Toyota it is general it is sharp this, the mixing such as Lexus, BMW
Power car, and listen wind, it is fertile blue up to etc. pure electric vehicles at present all using the motor of flat wire conductor Hairpin technique production.
General motor stator structure is usually related to winding construction, can be divided into distributed-winding stator structure and it is centralized around
Group stator structure.
Distributed-winding stator structure is generally integral type parallel teeth stator laminating structure, in advance around making respective pitches
It after winding, can also be embedded the wire by machine by manual wire embedding, Distributed Winding stator structure is small with torque pulsation, harmonic content is low
The characteristics of, but winding generally by multiply and around circular copper wire coiling form, naked copper fill-in ratio is low in slot, tip lengths are higher, no
Conducive to further increasing efficiency and power density.
Centralized wound stator structure includes integral type stator and segmentation piece stator, and integral type stator can be by artificial
Wire embeding ways are completed, but end height is relatively large, and production efficiency is lower, integral type stator can also use Machine automated
Coiling is completed, but copper factor is lower, and segmentation piece stator generally uses monolithic stator winding to be then spliced into entire stator
Mode, end height is smaller, but the general torque pulsation of concentrated winding stator structure is larger, harmonic content is higher, and naked in slot
Copper fill-in ratio is also less high, is unfavorable for further increasing power density.
Summary of the invention
To solve the above-mentioned problems, the present invention proposes that a kind of flat wire motor stator structure, including stator core, flat wire are led
Stator slot is arranged in the stator core for body, and the stator slot is rectangular configuration, and the flat wire conductor is placed in the stator slot
It is interior, insulating layer is equipped in the stator slot, it is described flat for realizing the insulating properties between the stator slot and the flat wire conductor
Line conductor is triphasic wave windings in series structure, can maximally utilise space in slot, improves naked copper fill-in ratio in slot, Er Qieduan
Portion's height is smaller, and efficiency is higher, power density is larger.
To achieve the above object, the technical scheme is that
Stator slot is arranged in the stator core in a kind of flat wire motor stator structure, including stator core, flat wire conductor,
The stator slot is rectangular configuration, and the flat wire conductor is placed in the stator slot, and insulating layer is equipped in the stator slot, is used for
Realize the insulating properties between the stator slot and the flat wire conductor, the flat wire conductor is triphasic wave windings in series structure.
The stator slot inner insulating layer is molded by stator core or spraying is formed or the stator slot inner insulating layer is
Dielectric paper structure, the insulating paper are " B " type or " S " type structure, and further, the insulating layer is wear-resisting polyimide resin
Or polyflon material.
A kind of flat wire motor stator structure processing technology, the flat wire motor stator structure are any one of the above, including
Following steps:
(1) insulating layer is processed, by stator core injection molding or spray applied insulation, or is inserted into insulating paper in stator slot；
(2) flat wire conductor is inserted into stator slot and the flat wire conductor is pressed into corresponding position in the stator slot；
(3) certain angle is reversed into flat wire conductor rectilinear end side；
(4) flat wire conductor rectilinear end is welded together in pairs, completes the connection of three-phase windings.
The flat wire conductor is four-layer structure, and wherein first layer and third layer flat wire conductor are reversed to the same direction, the
Two layers, the 4th layer of flat wire conductor reverse to the direction opposite with the first layer, third layer flat wire conductor torsional direction.
The winding of the motor stator is made of the flat wire conductor of at least three kinds of shapes.
Compared to existing flat wire motor stator structure and technique, the present invention has remarkable advantage and beneficial effect, embodies
Are as follows:
1. using flat wire motor stator structure and its processing technology of the invention, maximally utilises space in slot, mention
Naked copper fill-in ratio in high slot improves power of motor；
2. using flat wire motor stator structure and its processing technology of the invention, stator end height is smaller, efficiency is higher,
Power density is larger.
Detailed description of the invention
Fig. 1 is flat wire motor stator core structure schematic diagram of the present invention；
Fig. 2 is the motor stator insulated paper structure schematic diagram of flat wire of the present invention；
Fig. 3 is flat wire motor stator structure schematic diagram of the present invention；
Fig. 4 is the first flat wire of flat wire motor stator winding conductor structure schematic diagram of the present invention；
Fig. 5 is the second flat wire of flat wire motor stator winding conductor structure schematic diagram of the present invention；
Fig. 6 is flat wire motor stator winding third flat wire conductor structure schematic diagram of the present invention；
Fig. 7 is the 4th flat wire conductor structure schematic diagram of flat wire motor stator winding of the present invention；
Fig. 8 is the 5th flat wire conductor structure schematic diagram of flat wire motor stator winding of the present invention；
Fig. 9 is the 6th flat wire conductor structure schematic diagram of flat wire motor stator winding of the present invention；
Figure 10 is the 7th flat wire conductor structure schematic diagram of flat wire motor stator winding of the present invention；
Figure 11 is the 8th flat wire conductor structure schematic diagram of flat wire motor stator winding of the present invention.
Specific embodiment
Specific implementation method of the invention is as follows:
Flat wire motor is as a kind of motor for improving motor stator copper factor, improving power of motor density, copper factor pair
The performances such as power of motor, specific energy have a very big impact, thus, further increase accounting for for the stator slot inside conductor of flat wire motor
With rate, there is direct effect for improving motor performance, for this purpose, the invention proposes a kind of flat wire motor stator structure,
Including stator core, flat wire conductor, stator slot is set, the stator slot is rectangular configuration, the flat wire in the stator core
Conductor is placed in the stator slot, insulating layer is equipped in the stator slot, for realizing the stator slot and the flat wire conductor
Between insulating properties, the flat wire conductor is triphasic wave windings in series structure, can maximally utilise space in slot, improves slot
Interior naked copper fill-in ratio, and end height is smaller, and efficiency is higher, power density is larger.
The embodiment of flat wire motor stator structure of the present invention and its processing technology is illustrated with reference to the accompanying drawing:
Flat wire motor stator structure of the present invention includes stator core, flat wire conductor, and Fig. 1 is fixed for flat wire motor of the present invention
Stator slot is arranged in the stator core for sub- core construction schematic diagram, and the stator slot is rectangular configuration, and the flat wire conductor is set
In in the stator slot, insulating layer is equipped in the stator slot, for realizing between the stator slot and the flat wire conductor
Insulating properties, the flat wire conductor are triphasic wave windings in series structure.
The stator slot inner insulating layer is molded by stator core or spraying is formed or the stator slot inner insulating layer is
Dielectric paper structure, the insulating paper are " B " type or " S " type structure, and further, the insulating layer is wear-resisting polyimide resin
Or polyflon material, Fig. 2 are the motor stator insulated paper structure schematic diagram of flat wire of the present invention, insulating paper in the present embodiment
For " B " type dielectric paper structure.
Fig. 3 is flat wire motor stator structure schematic diagram of the present invention, and the motor stator is by stator core, flat wire conductor structure
At the flat wire conductor is inserted into the stator slot of the stator core, and by being formed after the operations such as equipment indentation, torsion as schemed
Structure shown in 3, flat wire motor stator structure processing technology of the present invention, includes the following steps:
(1) insulating layer is processed, by stator core injection molding or spray applied insulation, or is inserted into insulating paper in stator slot；
(2) flat wire conductor is inserted into stator slot and the flat wire conductor is pressed into corresponding position in the stator slot；
(3) certain angle is reversed into the side of flat wire conductor rectilinear end；
(4) flat wire conductor rectilinear end is welded together in pairs, completes the connection of three-phase windings.
The flat wire conductor rectilinear end is four-layer structure, and wherein first layer and third layer flat wire conductor are turned round to the same direction
Turn, the second layer, the 4th layer of flat wire conductor are reversed to the direction opposite with the first layer, third layer flat wire conductor torsional direction.
The winding of the motor stator is made of the flat wire conductor of at least three kinds of shapes, and the motor provided in the present embodiment is fixed
Sub- winding is made of the flat wire conductor of 8 kinds of shapes, which is distributed in the different location of the motor stator, specifically
As shown in figure 3, wherein number 1-8 respectively corresponds the first flat wire conductor to the 8th flat wire conductor, Fig. 4-8 is respectively the present invention for position
Flat wire motor stator winding the first flat wire conductor to the 8th flat wire conductor structural schematic diagram.
For for exemplary embodiment of the invention, it should be understood that be in the protection scope of claims of the present invention
A certain kind demonstrative example therein has the guiding effect that those skilled in the art are realized with corresponding technical solution, and
Non- limitation of the invention.
Claims (8)
1. a kind of flat wire motor stator structure, including stator core, flat wire conductor, which is characterized in that set in the stator core
Stator slot is set, the stator slot is rectangular configuration, and the flat wire conductor is placed in the stator slot, is equipped in the stator slot exhausted
Edge layer, for realizing the insulating properties between the stator slot and the flat wire conductor, the flat wire conductor is three-phase wave winding string
It is coupled structure.
2. flat wire motor stator structure according to claim 1, which is characterized in that it is fixed that the stator slot inner insulating layer passes through
Sub- iron core injection molding or spraying are formed.
3. flat wire motor stator structure according to claim 1, which is characterized in that the stator slot inner insulating layer is insulation
Paper structure.
4. flat wire motor stator structure according to claim 3, which is characterized in that the insulating paper is " B " type or " S "
Type structure.
5. according to flat wire motor stator structure described in claim 2 or 4, which is characterized in that the insulating layer is wear-resisting poly-
Imide resin or polyflon material.
6. a kind of flat wire motor stator structure processing technology, the flat wire motor stator structure is to appoint in the claims 1~5
It anticipates one kind, which comprises the steps of:
(1) insulating layer is processed, by stator core injection molding or spray applied insulation, or is inserted into insulating paper in stator slot；
(2) flat wire conductor is inserted into stator slot and the flat wire conductor is pressed into corresponding position in the stator slot；
(3) certain angle is reversed into the side of flat wire conductor rectilinear end；
(4) flat wire conductor rectilinear end is welded together in pairs, completes the connection of three-phase windings.
7. flat wire motor stator structure processing technology according to claim 6, which is characterized in that the flat wire conductor is four
Layer structure, wherein first layer and third layer flat wire conductor are reversed to the same direction, the second layer, the 4th layer of flat wire conductor to institute
State the opposite direction torsion of first layer, third layer flat wire conductor torsional direction.
8. flat wire motor stator structure processing technology according to claim 6, which is characterized in that the motor stator around
Group is made of the flat wire conductor of at least three kinds of shapes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710637350.2A CN109309424A (en) | 2017-07-28 | 2017-07-28 | A kind of flat wire motor stator structure and its processing technology |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710637350.2A CN109309424A (en) | 2017-07-28 | 2017-07-28 | A kind of flat wire motor stator structure and its processing technology |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109309424A true CN109309424A (en) | 2019-02-05 |
Family
ID=65205562
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710637350.2A Withdrawn CN109309424A (en) | 2017-07-28 | 2017-07-28 | A kind of flat wire motor stator structure and its processing technology |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109309424A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109768675A (en) * | 2019-03-29 | 2019-05-17 | 芜湖杰诺瑞汽车电器系统有限公司 | Its motor of a kind of flat type copper wire Motor Stator Assembly, its manufacturing method and application |
| CN110011456A (en) * | 2019-05-12 | 2019-07-12 | 苏州新智机电工业有限公司 | A kind of assembled piece type stator winding end wiring construction |
| CN113394929A (en) * | 2021-06-23 | 2021-09-14 | 厦门钨业股份有限公司 | Manufacturing method of flat wire motor stator |
| WO2021253906A1 (en) * | 2020-06-19 | 2021-12-23 | 天津松正汽车部件有限公司 | Flat wire vertical-winding electric motor winding, electric motor stator, and flat wire vertical-winding electric motor |
-
2017
- 2017-07-28 CN CN201710637350.2A patent/CN109309424A/en not_active Withdrawn
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109768675A (en) * | 2019-03-29 | 2019-05-17 | 芜湖杰诺瑞汽车电器系统有限公司 | Its motor of a kind of flat type copper wire Motor Stator Assembly, its manufacturing method and application |
| CN110011456A (en) * | 2019-05-12 | 2019-07-12 | 苏州新智机电工业有限公司 | A kind of assembled piece type stator winding end wiring construction |
| WO2021253906A1 (en) * | 2020-06-19 | 2021-12-23 | 天津松正汽车部件有限公司 | Flat wire vertical-winding electric motor winding, electric motor stator, and flat wire vertical-winding electric motor |
| CN113394929A (en) * | 2021-06-23 | 2021-09-14 | 厦门钨业股份有限公司 | Manufacturing method of flat wire motor stator |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| TA01 | Transfer of patent application right | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20211116 Address after: 300308 No. 1, Xishi Road, Tianjin Free Trade Zone (Airport Economic Zone), Binhai New Area, Tianjin Applicant after: Tianjin Songzheng Auto Parts Co.,Ltd. Address before: 300308 No. 1, Xishi Road, Tianjin Free Trade Zone (Airport Economic Zone), Binhai New Area, Tianjin Applicant before: TIANJIN SANTROLL ELECTRIC AUTOMOBILE TECHNOLOGY Co.,Ltd. |
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| CB02 | Change of applicant information | ||
| CB02 | Change of applicant information |
Address after: No. 69, West 11th Road, Tianjin Free Trade Pilot Zone (Airport Economic Zone), Binhai New Area, Tianjin 300308 Applicant after: BorgWarner Powertrain (Tianjin) Co.,Ltd. Address before: 300308 No.1, Xishi Road, Tianjin Free Trade Zone (Airport Economic Zone), Binhai New Area, Tianjin Applicant before: Tianjin Songzheng Auto Parts Co.,Ltd. |
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| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20190205 |