CN109301963A - Flat wire winding, motor stator and motor - Google Patents
Flat wire winding, motor stator and motor Download PDFInfo
- Publication number
- CN109301963A CN109301963A CN201811360772.0A CN201811360772A CN109301963A CN 109301963 A CN109301963 A CN 109301963A CN 201811360772 A CN201811360772 A CN 201811360772A CN 109301963 A CN109301963 A CN 109301963A
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- China
- Prior art keywords
- flat wire
- layer
- conductive layer
- adapter tube
- wire winding
- Prior art date
- 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.)
- Withdrawn
Links
- 238000004804 winding Methods 0.000 title claims abstract description 70
- 239000007788 liquid Substances 0.000 claims description 24
- 239000002826 coolant Substances 0.000 claims description 9
- 230000000694 effects Effects 0.000 abstract description 10
- 238000005452 bending Methods 0.000 description 6
- 238000009413 insulation Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000001816 cooling Methods 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000000465 moulding Methods 0.000 description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000007493 shaping process Methods 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 235000006508 Nelumbo nucifera Nutrition 0.000 description 1
- 240000002853 Nelumbo nucifera Species 0.000 description 1
- 235000006510 Nelumbo pentapetala Nutrition 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
Classifications
-
- 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
- H02K1/00—Details of the magnetic circuit
- H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
- H02K1/12—Stationary parts of the magnetic circuit
- H02K1/16—Stator cores with slots for windings
- H02K1/165—Shape, form or location of the slots
-
- 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
- H02K3/22—Windings characterised by the conductor shape, form or construction, e.g. with bar conductors consisting of hollow conductors
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K3/00—Details of windings
- H02K3/46—Fastening of windings on the stator or rotor structure
- H02K3/50—Fastening of winding heads, equalising connectors, or connections thereto
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Windings For Motors And Generators (AREA)
Abstract
The present invention provides a kind of flat wire winding, motor stator and motor.The flat wire winding includes flat wire unit (1), and flat wire unit (1) includes flat wire voided layer (2).Flat wire winding according to the present invention, the kelvin effect generated when can be substantially reduced flat wire winding delivery high current, while flat wire is reduced around composing type difficulty.
Description
Technical field
The invention belongs to technical field of motors, and in particular to a kind of flat wire winding, motor stator and motor.
Background technique
New energy vehicle field is fast-developing in recent years, and competition is also growing day by day in industry, while new-energy automobile power is close
The requirement of degree is also higher and higher.The power density for promoting main drive system from the technical point of view has Some Enterprises to propose concurrent
Flat wire technical solution is opened up.
With advances in technology, the advantages that flat wire motor is able to widely apply universal, and copper factor is high, copper loss is small is filled
Divide application, but therefore the series of problems such as caused kelvin effect, difficult forming are urgently to be resolved.
Summary of the invention
Therefore, the technical problem to be solved in the present invention is that providing a kind of flat wire winding, motor stator and motor, Neng Gouming
The aobvious flat wire winding that reduces delivers the kelvin effect generated when high current, while reducing flat wire around composing type difficulty.
To solve the above-mentioned problems, the present invention provides a kind of flat wire winding, including flat wire unit, and flat wire unit includes flat wire
Voided layer.
Preferably, flat wire voided layer extends along the length direction of flat wire unit.
Preferably, flat wire voided layer runs through the flat wire unit where the flat wire voided layer along its length.
Preferably, flat wire unit further includes flat wire insulating layer and flat wire conductive layer, and flat wire insulating layer is set in flat wire conduction
Layer is outer, and flat wire voided layer is located in flat wire conductive layer, and is spaced apart with flat wire insulating layer by flat wire conductive layer.
Preferably, circumferentially thickness is uniform for flat wire insulating layer；And/or circumferentially thickness is uniform for flat wire conductive layer.
Preferably, the cross sectional shape of flat wire insulating layer, flat wire conductive layer and flat wire voided layer is all the same.
Preferably, the cross sectional shape of flat wire insulating layer, flat wire conductive layer and flat wire voided layer is rectangle, circle, ellipse
Or triangle.
Preferably, coolant liquid is filled in flat wire voided layer.
Preferably, flat wire winding further includes the liquid electric connection for being connected to the end of flat wire unit.
Preferably, liquid electric connection includes adapter tube and the electric current being connected on adapter tube parted hair, the parted hair conductive layer of electric current parted hair
It is conductively connected by adapter tube and flat wire unit.
Preferably, adapter tube includes adapter tube insulating layer, adapter tube conductive layer and adapter tube voided layer, and flat wire conductive layer is socketed in adapter tube
In conductive layer, and with adapter tube conductive layer conductive contact, adapter tube voided layer communicates with flat wire voided layer.
Preferably, parted hair conductive layer and adapter tube conductive layer conductive contact.
Preferably, the both ends of adapter tube are provided with expansion-head.
Preferably, coolant liquid is insulating liquid.
According to another aspect of the present invention, a kind of motor stator, including stator core and flat wire winding, the flat wire are provided
Winding is above-mentioned flat wire winding, and flat wire winding is arranged in the winding wire slot of stator core.
In accordance with a further aspect of the present invention, a kind of motor, including motor stator are provided, which is above-mentioned electricity
Machine stator.
Flat wire winding provided by the invention, including flat wire unit, flat wire unit include flat wire voided layer.Using including flat
After the flat wire unit of line voided layer, hollow flat wire winding can be formed, production when so as to be substantially reduced delivery high current
Raw kelvin effect saves winding material, reduces winding cost, simultaneously because hollow flat wire winding is used, it is flat in progress
When line bending, since flat wire unit is hollow, bending resistance reduce, be more easier bending and molding, solve it is offline, turn one's head
Flat wire process difficulties well known to industry reduce flat wire around composing type difficulty, improve flat wire winding shaping efficiency.
Detailed description of the invention
Fig. 1 is the schematic perspective view of the flat wire winding of first embodiment of the invention；
Fig. 2 is the E-E of Fig. 1 to sectional structure chart；
Fig. 3 is the sectional structure chart of the flat wire unit of the flat wire winding of first embodiment of the invention；
Fig. 4 is the schematic perspective view of the flat wire winding of second embodiment of the invention；
Fig. 5 is the E-E of Fig. 4 to sectional structure chart；
Fig. 6 is the sectional structure chart of the flat wire unit of the flat wire winding of second embodiment of the invention；
Fig. 7 is the liquid electric connection three-dimensional structure diagram of the flat wire winding of first embodiment of the invention；
Fig. 8 is the F-F of Fig. 7 to sectional structure chart；
Fig. 9 is the three-dimensional structure diagram of the motor stator of the embodiment of the present invention；
Figure 10 is the G-G of Fig. 9 to sectional structure chart.
Appended drawing reference indicates are as follows:
1, flat wire unit；2, flat wire voided layer；3, flat wire insulating layer；4, flat wire conductive layer；5, liquid electric connection；6, it takes over；
7, electric current parted hair；8, expansion-head；9, stator core；10, winding wire slot；11, adapter tube insulating layer；12, adapter tube conductive layer；13, it connects
Pipe voided layer.
Specific embodiment
In conjunction with referring to shown in Fig. 1 to Figure 10, flat wire winding includes flat wire unit 1, and flat wire unit 1 includes flat wire voided layer 2.
After using the flat wire unit 1 for including flat wire voided layer 2, hollow flat wire winding can be formed, so as to
The kelvin effect generated when being substantially reduced delivery high current, saves winding material, reduces winding cost, simultaneously because using sky
The flat wire winding of the heart, when carrying out flat wire bending, since flat wire unit 1 is hollow, bending resistance is reduced, and is more easier bending
Molding solves flat wire process difficulties well known to the offline, industries such as turn one's head, reduces flat wire around composing type difficulty, improve flat
Line winding group shaping efficiency.
Preferably, flat wire voided layer 2 extends along the length direction of flat wire unit 1, can be in the inside shape of flat wire unit 1
The kelvin effect generated at the flat wire voided layer 2 of greater depth, when to reducing delivery high current to a greater degree.Flat wire is hollow
Layer 2 can be arranged with merogenesis, since flat wire unit 1 is after more piece plug division is inserted into winding wire slot 10, to be welded by weld part
Together, therefore flat wire voided layer 2 can be set in every section plug division, be not connected between the flat wire voided layer 2 of adjacent segments, from
And welding difficulty is reduced, while the kelvin effect of flat wire winding entirety is effectively reduced.
Preferably, flat wire voided layer 2 runs through the flat wire unit 1 where the flat wire voided layer 2 along its length, so as to
So that single-phase flat wire unit 1 is penetrated through by flat wire voided layer 2 completely, so that entire flat wire unit 1 can be effectively reduced fortune
The kelvin effect generated when carrying high current improves the working performance of flat wire winding.
In the present embodiment, flat wire unit 1 further includes flat wire insulating layer 3 and flat wire conductive layer 4, and flat wire insulating layer 3 is arranged
Outside flat wire conductive layer 4, flat wire voided layer 2 is located in flat wire conductive layer 4, and is spaced with flat wire insulating layer 3 by flat wire conductive layer 4
It opens.Wherein flat wire voided layer 2 is for reducing the kelvin effect of flat wire winding, and flat wire conductive layer 4 is for carrying current, flat wire insulation
Layer 3 can be made of insulation baking vanish or wrapped with insulation is formed.
Circumferentially thickness is uniform for flat wire insulating layer 3；And/or circumferentially thickness is uniform for flat wire conductive layer 4, so as to protect
The molding flat wire unit 1 of card institute has good structural behaviour, balanced electric conductivity and stable working performance.
Preferably, the cross sectional shape of flat wire insulating layer 3, flat wire conductive layer 4 and flat wire voided layer 2 is all the same, and flat wire is exhausted
Edge layer 3 is set in outside flat wire conductive layer 4, and flat wire voided layer 2 is process in the center of flat wire conductive layer 4, so that
Flat wire unit 1 forms stable hollow structure.Preferably, flat wire voided layer 2, flat wire insulating layer 3 and flat wire conductive layer 4 are
Cross section structure.
Preferably, the cross sectional shape of flat wire insulating layer 3, flat wire conductive layer 4 and flat wire voided layer 2 is rectangle, circle, ellipse
Shape or triangle.
Preferably, it is filled with coolant liquid in flat wire voided layer 2, can be delivered by the flat wire voided layer 2 of flat wire unit 1 cold
But liquid, can be rapidly by the internal cooling of flat wire unit 1, to greatly improve the cooling effect of winding element, heat allowable is negative
Lotus can further increase in the prior art.
Flat wire winding further includes the liquid electric connection 5 for being connected to the end of flat wire unit 1.
Liquid electric connection 5 includes adapter tube 6 and the electric current being connected on adapter tube 6 parted hair 7, and the parted hair conductive layer of electric current parted hair 7 is logical
It crosses adapter tube 6 and flat wire unit 1 is conductively connected.Electric current 7 is connected to one by welding manner with adapter tube 6 separately, is realized
Flowing in or out on electric current to coil windings.
Preferably, adapter tube 6 include adapter tube insulating layer 11, adapter tube conductive layer 12 and adapter tube voided layer 13,4 sets of flat wire conductive layer
Connect in adapter tube conductive layer 12, and with 12 conductive contact of adapter tube conductive layer, adapter tube voided layer 13 communicates with flat wire voided layer 2.?
In the present embodiment, the shape of the cross sectional shape and flat wire conductive layer 4 of adapter tube voided layer 13 matches, and size is essentially identical, makes
Flat wire unit 1 is obtained after peelling off flat wire insulating layer 3, can be inserted into adapter tube voided layer 13 by flat wire conductive layer 4, and with
Electrical connection is realized between adapter tube conductive layer 12.
Preferably, parted hair conductive layer and 12 conductive contact of adapter tube conductive layer, so as to be realized by adapter tube conductive layer 12
Electric current transmission between parted hair conductive layer and flat wire unit 1, and then realize the shunting and interflow function of coolant liquid and electric current.At this
In embodiment, parted hair conductive layer is coated with insulating layer, and link slot is offered on adapter tube 6, and electric current parted hair 7 is arranged in the connection
At slot, the link slot with a thickness of can cut adapter tube insulating layer 11 and expose adapter tube conductive layer 12 so that being arranged at this
The parted hair conductive layer of the electric current parted hair 7 at place can be welded and fixed between adapter tube conductive layer 12.Insulating cement can also be passed through herein
Band etc. is wound, to prevent that current leakage occurs at electric current parted hair 7 and the link position of adapter tube 6.
Preferably, the both ends of adapter tube 6 are provided with expansion-head 8.The both ends of each liquid electric connection 5 are respectively arranged with an expansion
First 8, expansion-head 8 is processed by special tube tooling, and one end expansion-head 8 is connect with the feed liquor port of cooling system, in addition
The expansion-head 8 of one end is connect with flat wire unit 1, so realizes introducing or export of the coolant liquid from winding element.
Preferably, coolant liquid is insulating liquid, so as to further increase the insulation performance of flat wire unit 1, facilitates reality
The liquid electricity converging/diverging technology of existing flat wire winding.
According to an embodiment of the invention, motor stator includes stator core 9 and flat wire winding, flat wire winding is above-mentioned flat
Line winding group, flat wire winding are arranged in the winding wire slot 10 of stator core 9.
In the present embodiment, the lead of the flat wire unit 1 of the three-phase windings of motor stator connects with three liquid electric connections 5 respectively
It connects, realizes the coolant liquid of flat wire unit 1 and the shunting of electric current and the interflow of each phase winding.
Motor includes motor stator, which is above-mentioned motor stator
Those skilled in the art will readily recognize that above-mentioned each advantageous manner can be free under the premise of not conflicting
Ground combination, superposition.
The above is merely preferred embodiments of the present invention, be not intended to limit the invention, it is all in spirit of the invention and
Made any modifications, equivalent replacements, and improvements etc., should all be included in the protection scope of the present invention within principle.Above only
It is the preferred embodiment of the present invention, it is noted that for those skilled in the art, do not departing from this hair
Under the premise of bright technical principle, several improvements and modifications can also be made, these improvements and modifications also should be regarded as guarantor of the invention
Protect range.
Claims (16)
1. a kind of flat wire winding, which is characterized in that including flat wire unit (1), the flat wire unit (1) includes flat wire voided layer
(2)。
2. flat wire winding according to claim 1, which is characterized in that the flat wire voided layer (2) is along the flat wire list
The length direction of first (1) extends.
3. flat wire winding according to claim 2, which is characterized in that the flat wire voided layer (2) is run through along its length
The flat wire unit (1) where the flat wire voided layer (2).
4. flat wire winding according to any one of claim 1 to 3, which is characterized in that the flat wire unit (1) further includes
Flat wire insulating layer (3) and flat wire conductive layer (4), the flat wire insulating layer (3) is set in the flat wire conductive layer (4) outside, described
Flat wire voided layer (2) is located in the flat wire conductive layer (4), and with the flat wire insulating layer (3) by the flat wire conductive layer (4)
It is spaced apart.
5. flat wire winding according to claim 4, which is characterized in that circumferentially thickness is uniform for the flat wire insulating layer (3)；
And/or circumferentially thickness is uniform for the flat wire conductive layer (4).
6. flat wire winding according to claim 4, which is characterized in that the flat wire insulating layer (3), the flat wire conductive layer
(4) and the cross sectional shape of the flat wire voided layer (2) is all the same.
7. flat wire winding according to claim 5, which is characterized in that the flat wire insulating layer (3), the flat wire conductive layer
(4) and the cross sectional shape of the flat wire voided layer (2) is rectangle, circle, ellipse or triangle.
8. flat wire winding according to any one of claim 1 to 3, which is characterized in that filled out in the flat wire voided layer (2)
Filled with coolant liquid.
9. flat wire winding according to claim 4, which is characterized in that the flat wire winding further includes being connected to the flat wire
The liquid electric connection (5) of the end of unit (1).
10. flat wire winding according to claim 9, which is characterized in that the liquid electric connection (5) includes adapter tube (6) and connects
The electric current parted hair (7) on the adapter tube (6) is connect, the parted hair conductive layer of the electric current parted hair (7) passes through adapter tube (6) and the institute
State flat wire unit (1) conductive connection.
11. flat wire winding according to claim 10, which is characterized in that the adapter tube (6) include adapter tube insulating layer (11),
Adapter tube conductive layer (12) and adapter tube voided layer (13), the flat wire conductive layer (4) are socketed in the adapter tube conductive layer (12), and
With adapter tube conductive layer (12) conductive contact, the adapter tube voided layer (13) communicates with the flat wire voided layer (2).
12. flat wire winding according to claim 11, which is characterized in that the parted hair conductive layer and the adapter tube conductive layer
(12) conductive contact.
13. flat wire winding according to claim 10, which is characterized in that the both ends of the adapter tube (6) are provided with expansion-head
(8)。
14. flat wire winding according to claim 8, which is characterized in that the coolant liquid is insulating liquid.
15. a kind of motor stator, including stator core (9) and flat wire winding, which is characterized in that the flat wire winding is wanted for right
Flat wire winding described in asking any one of 1 to 14, winding wire slot (10) of the flat wire winding setting in the stator core (9)
In.
16. a kind of motor, including motor stator, which is characterized in that the motor stator is that motor described in claim 15 is fixed
Son.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811360772.0A CN109301963A (en) | 2018-11-15 | 2018-11-15 | Flat wire winding, motor stator and motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811360772.0A CN109301963A (en) | 2018-11-15 | 2018-11-15 | Flat wire winding, motor stator and motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109301963A true CN109301963A (en) | 2019-02-01 |
Family
ID=65144296
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811360772.0A Withdrawn CN109301963A (en) | 2018-11-15 | 2018-11-15 | Flat wire winding, motor stator and motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109301963A (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE7621549U1 (en) * | 1976-06-21 | 1978-04-06 | Bbc Ag Brown, Boveri & Cie, Baden (Schweiz) | CONNECTING PIECE FOR HOLLOW SUB-LADDER |
| JPH10243610A (en) * | 1997-02-24 | 1998-09-11 | Hitachi Ltd | Stator coil for water-cooled generator |
| CN101145719A (en) * | 2006-09-15 | 2008-03-19 | 日本电产三协株式会社 | Coreless motor |
| CN101388574A (en) * | 2008-07-11 | 2009-03-18 | 中国科学院电工研究所 | Evaporation cooling construction for turbine generator rotor winding |
| CN105071619A (en) * | 2015-09-11 | 2015-11-18 | 天津理工大学 | Permanent magnet brushless motor having stator winding provided with heat-radiating device |
| CN205039638U (en) * | 2015-10-23 | 2016-02-17 | 哈尔滨理工大学 | Large -scale turbo generator stator coil's cooling structure |
| CN105790479A (en) * | 2016-04-05 | 2016-07-20 | 中国船舶重工集团公司第七〇二研究所 | Ship propulsion motor and stator coil winding method thereof |
| CN108806851A (en) * | 2018-06-06 | 2018-11-13 | 洛阳正奇机械有限公司 | A kind of special liquid cooling cable of new-energy automobile direct current 600A charging guns |
| CN208890506U (en) * | 2018-11-15 | 2019-05-21 | 珠海格力电器股份有限公司 | Flat wire winding, motor stator and motor |
-
2018
- 2018-11-15 CN CN201811360772.0A patent/CN109301963A/en not_active Withdrawn
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE7621549U1 (en) * | 1976-06-21 | 1978-04-06 | Bbc Ag Brown, Boveri & Cie, Baden (Schweiz) | CONNECTING PIECE FOR HOLLOW SUB-LADDER |
| JPH10243610A (en) * | 1997-02-24 | 1998-09-11 | Hitachi Ltd | Stator coil for water-cooled generator |
| CN101145719A (en) * | 2006-09-15 | 2008-03-19 | 日本电产三协株式会社 | Coreless motor |
| CN101388574A (en) * | 2008-07-11 | 2009-03-18 | 中国科学院电工研究所 | Evaporation cooling construction for turbine generator rotor winding |
| CN105071619A (en) * | 2015-09-11 | 2015-11-18 | 天津理工大学 | Permanent magnet brushless motor having stator winding provided with heat-radiating device |
| CN205039638U (en) * | 2015-10-23 | 2016-02-17 | 哈尔滨理工大学 | Large -scale turbo generator stator coil's cooling structure |
| CN105790479A (en) * | 2016-04-05 | 2016-07-20 | 中国船舶重工集团公司第七〇二研究所 | Ship propulsion motor and stator coil winding method thereof |
| CN108806851A (en) * | 2018-06-06 | 2018-11-13 | 洛阳正奇机械有限公司 | A kind of special liquid cooling cable of new-energy automobile direct current 600A charging guns |
| CN208890506U (en) * | 2018-11-15 | 2019-05-21 | 珠海格力电器股份有限公司 | Flat wire winding, motor stator and motor |
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|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
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| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20190201 |
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| WW01 | Invention patent application withdrawn after publication |