CN109560643A - A kind of motor stator winding end connecting - Google Patents
A kind of motor stator winding end connecting Download PDFInfo
- Publication number
- CN109560643A CN109560643A CN201710887240.1A CN201710887240A CN109560643A CN 109560643 A CN109560643 A CN 109560643A CN 201710887240 A CN201710887240 A CN 201710887240A CN 109560643 A CN109560643 A CN 109560643A
- Authority
- CN
- China
- Prior art keywords
- conductor
- link block
- stator winding
- motor stator
- end connecting
- 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.)
- Pending
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Classifications
-
- 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)
- Insulation, Fastening Of Motor, Generator Windings (AREA)
Abstract
The invention discloses a kind of motor stator winding end connectings, the stator winding is multi-level conductive structure, the cross-sectional area of conductor is square structure, end connection between the conductor of the difference winding layers is realized by link block, setting soldering filler material between the link block and the conductor, it is directly connected to using link block, simple process and raising performance, while ensure that the stability of conductor connection using soldering.
Description
Technical field
The present invention relates to motor stator structures, and in particular to the connection structure of motor stator winding end.
Background technique
The motor stator technique of currently employed rectangular conductor is mainly used in the large-scale electricity such as wind-driven generator, hydroelectric generator
In machine equipment, there is large-scale application in the middle and high end electric generator of vehicle of foreign capitals brand in recent years, especially with Toyota sedan system and
The client of thunder rice is in the universal vehicle system of representative, and at most, and in new-energy automobile, Toyota is general sharp for the application of Hairpin supply
This, the hybrid electric vehicles such as Lexus, BMW, and listen wind, it is fertile it is blue up to etc. pure electric vehicles at present all using rectangular conductor
The motor of Hairpin technique production.
The motor and a kind of motor of Distributed Winding technique made of rectangular conductor Hairpin technique is general to use
Rectangular conductor molding, technology mode plug wire, turned round line, turn round line side welding, turn round the technology mode of line side welding, needing in advance will be each
One section of coat of paint of rectangular conductor weld side is sloughed, can be along with multiple weld jobs repeatedly, the heat meeting of generation when welding
It causes the damage of conductor weld side insulation coat of paint and falls off, need to take the mode of hot-dip epoxy resin to reinforce insulating, and this
The presence that inevitably will cause conductive surface stomata or cavity in technique causes weldering insulation to connect the decline of end performance, bad
Rate rises, and increases craftsmanship complexity, produces shared working hour rising.
Summary of the invention
To solve the above-mentioned problems, the present invention proposes a kind of motor stator winding end connecting, the stator winding
For multi-level conductive structure, the cross-sectional area of conductor is square structure, and the end connection between the conductor of the difference winding layers is logical
Link block realization is crossed, setting soldering filler material, is directly connected to using link block between the link block and the conductor, technique letter
Single and raising performance, while ensure that the stability that conductor connects using soldering.
To achieve the above object, the technical scheme is that
A kind of motor stator winding end connecting, the stator winding are multi-level conductive structure, the cross-sectional area of conductor
For square structure, the end connection between the conductor of the difference winding layers is realized by link block, the link block and institute
State setting soldering filler material between conductor.
The link block is metal material, it is preferable that the link block is red copper material；The soldering filler material is copper-based
Alloy.
The connection type of end conductor specifically: the end of the conductor that is connected is equipped with groove, institute close to side each other
It states link block to be placed in the groove, the size of the groove is greater than the corresponding size of the link block, the soldering filling
Material is filled between the groove and the link block.
Or the conductor side that is connected is provided with side opening, the link block passes through the side opening, described to be connected
It connects to be provided at the top of conductor and opens hole, the hole that opens is connected to the side opening, and the soldering filler material opens hole by described
At filling to the link block.
Compared to existing motor stator winding structure, the present invention has remarkable advantage and beneficial effect, embodies are as follows:
1. maximally utilising slot using rectangular copper wire using motor stator winding end connecting of the invention
Naked copper fill-in ratio in slot is improved in interior space, improves power of motor；
2. using motor stator winding end connecting of the invention, it is mechanically connected using link block, and using few
The soldering filler material of amount welds, and improves the yields of winding, and simple process.
Detailed description of the invention
Fig. 1 is motor stator structure schematic diagram of the present invention；
Fig. 2 is the structural schematic diagram of motor stator winding end connecting first embodiment of the present invention；
Fig. 3 is the structural schematic diagram of motor stator winding end connecting second embodiment of the present invention；
Fig. 4 is the structural schematic diagram of motor stator winding end connecting 3rd embodiment of the present invention.
Specific embodiment
Specific implementation method of the invention is as follows:
For rectangular copper wire motor as a kind of motor for improving motor stator copper factor, improving power of motor density, slot is full
Rate has a very big impact the performances such as power of motor, specific energy, thus, in the stator slot for further increasing rectangular copper wire motor
The occupancy of conducting wire has direct effect for improving motor performance, however the end of machine winding is welded, it usually needs weldering
One section of coat of paint for connecing side is sloughed, and along with multiple weld jobs repeatedly, and inevitably will cause conductor in this technique
The presence in surface pores or cavity causes weldering insulation to connect the decline of end performance, and fraction defective rises, and it is complicated to increase craftsmanship
Property, shared working hour rising is produced, for the purpose to solve the above problems, the invention proposes a kind of motor stator winding end companies
Binding structure, the stator winding are multi-level conductive structure, and the cross-sectional area of conductor is square structure, the conductor of the difference winding layers
Between end connection be to be realized by link block, between the link block and the conductor setting soldering filler material, technique letter
List and can be avoided welding bring failure welding caused by reduced performance the problems such as.
The embodiment of motor stator winding end connecting of the present invention is illustrated with reference to the accompanying drawing:
Fig. 1 is motor stator structure schematic diagram of the present invention, and the motor stator includes stator core 1, stator winding 2, institute
State and multiple stator slot structures be set on the inside of stator core 1, the stator winding 2 pass through the stator slot, the stator winding 2 by
Rectangular conductor is constituted.
Fig. 2 be motor stator winding end connecting first embodiment of the present invention structural schematic diagram, the stator around
One end (upper end Fig. 1) of group 2 is four layers of conductor structure, and first layer conductor and second layer conductor connect the stator winding from outside to inside
Connect, third layer conductor is connect with the 4th layer of conductor, it is described difference winding layers conductor between end connection be to pass through link block
It realizes, the present embodiment is by taking first layer conductor is connect with the end of second layer conductor as an example, the first layer conductor 21 and described the
It is connected between two layers of conductor 22 by link block 23, the connection side of the first layer conductor 21 and 22 end of second layer conductor
Formula specifically: the first layer conductor 21 is equipped with groove, the connection close to side each other with 22 end of second layer conductor
Block 23 is placed in the groove, and the link block 23 is " I " type structure, i.e., the described 23 both ends width of link block is greater than intermediate wide
Degree, the size of the groove is corresponding with the link block 23, and the groove outer openings width is less than inside opening width, and
The groove is greater than the corresponding size of the link block 23, i.e., the described link block 23 can easier be put into the groove
Interior, the link block 23 is metal material, it is preferable that the link block 23 is red copper material.
Setting soldering filler material, institute between the link block 23 and the first layer conductor 21, the second layer conductor 22
It states soldering filler material to be filled between the groove and the link block 23, the soldering filler material is acid bronze alloy.
Fig. 3 is the structural schematic diagram of motor stator winding end connecting second embodiment of the present invention, the present invention second
The both ends of link block 24 in embodiment are circular configuration, and the diameter of circular configuration is greater than 24 middle section of link block
Width, the first layer conductor 21 is correspondingly arranged with link block 24 described in the groove structure domain on second layer conductor 22, other
Structure is identical with the first embodiment.
Fig. 4 is the structural schematic diagram of motor stator winding end connecting 3rd embodiment of the present invention, and the present embodiment is same
Sample is by taking first layer conductor 21 is connect with the end of second layer conductor 22 as an example, the first layer conductor 21 and the second layer conductor
It is connected between 22 by link block 25, the first layer conductor 21 and the connection type of 22 end of second layer conductor are specific
Are as follows: the first layer conductor 21 is provided with 22 end sides of second layer conductor and corresponds to each other side opening, the link block 25
Across the side opening, it is provided at the top of the first layer conductor 21 and the second layer conductor 22 and opens hole, the first layer
Conductor 21 is connected to the corresponding side opening in hole that opens of the second layer conductor 22, the link block 25 and the first layer
Soldering filler material is added between conductor 21, the second layer conductor 22, the soldering filler material is filled by the hole that opens to institute
It states at link block 25, the link block 25 is metal material, it is preferable that the link block 25 is red copper material, the link block
25 can be square column structure or cylindrical structure.
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 motor stator winding end connecting, which is characterized in that the stator winding is multi-level conductive structure, described
Cross-sectional area of conductor is square structure, and the end connection between the conductor of the difference winding layers is realized by link block, the company
Connect setting soldering filler material between block and the conductor.
2. motor stator winding end connecting according to claim 1, which is characterized in that the link block is metal
Material.
3. motor stator winding end connecting according to claim 2, which is characterized in that the link block is red copper
Material.
4. motor stator winding end connecting according to claim 1, which is characterized in that the soldering filler material is
Acid bronze alloy.
5. motor stator winding end connecting according to claim 1, which is characterized in that the conductor that is connected
End is equipped with groove close to side each other, and the link block is placed in the groove.
6. motor stator winding end connecting according to claim 5, which is characterized in that the size of the groove is big
In the corresponding size of the link block.
7. motor stator winding end connecting according to claim 1, which is characterized in that the conductor side that is connected
Face is provided with side opening, and the link block passes through the side opening.
8. motor stator winding end connecting according to claim 7, which is characterized in that the conductor top that is connected
Portion, which is provided with, opens hole, and the hole that opens is connected to the side opening, and the soldering filler material is filled by the hole that opens to institute
It states at link block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710887240.1A CN109560643A (en) | 2017-09-27 | 2017-09-27 | A kind of motor stator winding end connecting |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710887240.1A CN109560643A (en) | 2017-09-27 | 2017-09-27 | A kind of motor stator winding end connecting |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109560643A true CN109560643A (en) | 2019-04-02 |
Family
ID=65863603
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710887240.1A Pending CN109560643A (en) | 2017-09-27 | 2017-09-27 | A kind of motor stator winding end connecting |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109560643A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111786489A (en) * | 2020-08-04 | 2020-10-16 | 姜晓明 | Spliced winding coil |
-
2017
- 2017-09-27 CN CN201710887240.1A patent/CN109560643A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111786489A (en) * | 2020-08-04 | 2020-10-16 | 姜晓明 | Spliced winding coil |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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 |
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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| TA01 | Transfer of patent application right | ||
| 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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| CB02 | Change of applicant information |