CN205986369U - Anti magnetic leakage low -loss driving motor structure - Google Patents
Anti magnetic leakage low -loss driving motor structure Download PDFInfo
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- CN205986369U CN205986369U CN201620560249.2U CN201620560249U CN205986369U CN 205986369 U CN205986369 U CN 205986369U CN 201620560249 U CN201620560249 U CN 201620560249U CN 205986369 U CN205986369 U CN 205986369U
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Abstract
The utility model provides an anti magnetic leakage low -loss driving motor structure, the brushless motor comprises a stator and a rotor. The stator includes stator core and stator winding, and the rotor includes rotor core and rotor magnet steel, stator core includes the annular stator core yoke portion cyclic group body and a plurality of stator core tooth portion inserts of compriseing no oriented silicon steel lamination of compriseing oriented silicon steel lamination. Rotor core includes annular rotor core base member and a plurality of rotor core inserts of compriseing no oriented silicon steel lamination of compriseing oriented silicon steel lamination. The utility model discloses use the higher oriented silicon steel lamination of magnetic conductivity to replace no oriented silicon steel lamination in the rotor polarised direction, the stator end terminal also uses oriented silicon steel lamination simultaneously. Still have higher saturation magnetic flux density like this under the great electric current condition, reduced the loss, improved driving motor efficiency to realize big moment of torsion low -loss driving motor.
Description
Technical field
This utility model is related to motor, more particularly, to a kind of anti-leakage field low-loss motor.
Background technology
At present, apply cold rolling non-orientation silicon steel design and fabrication motor more, but with new-energy automobile technical performance
Constantly development and raising.Requirements at the higher level are proposed to new-energy automobile motor, motor needs high power density, high torsion
Square, high power, high rotating speed, low-loss.For meeting these demands, it is increasing, increasingly heavier, more that motor is compelled to do
Carry out more expensive, loss more and more higher, these have all run counter to environmental protection, this long term growth target of energy-saving and emission-reduction.Drive for meeting
Motor high request, will make the increase of motor volume weight, cost uprises and loss increase using prior art.
Content of the invention
The purpose of this utility model is it is simply that in order to solve the above problems, provide a kind of new anti-leakage field low-loss to drive
Electric machine structure.
In order to achieve the above object, this utility model employs technical scheme below：A kind of anti-leakage field low-loss drives electricity
Machine, including stator and rotor；Stator includes stator core and stator winding, and rotor includes rotor core and rotor magnetic steel；
Described stator core include the annular stator core matrix being made up of stator non-orientation silicon steel lamination and multiple by fixed
The stator core inserts of sub- orientation silicon steel lamination composition, multiple stator core inserts uniform intervals are connected to the interior of stator core matrix
Hand hay cutter, multiple stator winding pass through respectively between each adjacent stator core inserts；
The non-orientation silicon steel that described annular stator yoke portion ring base uses adopts single punch-die impact style, first according to yoke portion
Design drawing strikes out the consistent monolithic of some shapes, after these monolithics are laminated, external in ring group to it by the way of welding
It is welded into as annular cylinder on circle tangent plane.Non-orientation silicon steel be pcrmeability isotropism soft magnetic materials, silicone content between
Between 0.8%-3.0%, saturation flux density is between 1.66T ~ 1.73T.During motor operation, the magnetic flux of usual stator yoke is close
Degree is low compared with teeth portion, and the electromagnetic performance of motor stator mainly to be determined by teeth portion.Therefore, yoke portion can be using difficult processing relatively
Spend relatively low non-orientation silicon steel to make.
Described stator teeth is made up of with the tooth block of yoke portion equal number several, and each tooth block uses oriented silicon
Steel, often using single punch-die impact style, elder generation strikes out the consistent monolithic of some shapes according to teeth portion design drawing to a piece of orientation silicon steel,
Then by the way of self-adhesive, it is carried out with the bonding between piece and piece, constitutes shape unanimously taking along magnetic line of force rolling direction
To silicon steel tooth block.Orientation silicon steel is pcrmeability anisotropy soft magnetic materials, and silicone content is more than 3.0%, and rolls along orientation silicon steel
Direction is sequentially reduced with the saturation flux density of horizontal direction, along rolling direction saturation flux density between 1.84T ~ 1.94T
Between, saturation flux density is between 1.10T ~ 1.20T in transverse direction.During motor operation, the electromagnetic performance of motor stator
Mainly to be determined by teeth portion, then can be designed using the orientation silicon steel along rolling direction as far as possible and make teeth portion, increase it
Saturation flux density, reduces its core loss, but needs to avoid the occurrence of as far as possible orientation silicon steel transversely in teeth portion.
The non-orientation silicon steel that described ring-shaped rotor matrix uses adopts single punch-die impact style, first according to matrix design drawing
Strike out the consistent monolithic of some shapes, after these monolithics are laminated, to it in ring base inner circle by the way of welding, that is, with
It is welded into as annular cylinder on the tangent plane of axle contact.
Described rotor core inserts is made up of with the tooth block of rotor annular matrix equal number several, each tooth block
Using orientation silicon steel, often using single punch-die impact style, elder generation strikes out some shapes according to teeth portion design drawing to a piece of orientation silicon steel
Consistent monolithic, then carries out the bonding between piece and piece by the way of self-adhesive to it, constitutes shape unanimously along the magnetic line of force
The oriented silicon steel-tooth block of rolling direction.
Described rotor core include the ring-shaped rotor iron core matrix being made up of rotor non-orientation silicon steel lamination and multiple by turn
The rotor core inserts of sub- orientation silicon steel lamination composition, multiple rotor core inserts uniform intervals are rabbeted in rotor core matrix
Outside simultaneously collectively constitutes rounded outer surface with rotor core matrix, multiple rotor magnetic steels be separately positioned on rotor core matrix with each
Between rotor core inserts.
The inner side uniform intervals of described annular stator core matrix are provided with multiple axial dovetail grooves, and described each stator core is embedding
Part is provided with corresponding dovetail, and each stator core inserts is connected with annular stator core matrix joggle respectively.
Described ring-shaped rotor iron core intrinsic silicon is provided with the axis hole for installing rotating shaft, outside formation hexagram structure,
Described each rotor core inserts is inlaid between two adjacent star angles respectively.
Each Xing Jiao top of described ring-shaped rotor iron core matrix is respectively provided on two sides with the Ka Jiao turning up, described each rotor core
Inserts be respectively provided on two sides with corresponding extension wedge angle, each rotor core inserts respectively with ring-shaped rotor iron core matrix rabbet phase
Even.
Be respectively equipped with inside each star angle of described ring-shaped rotor iron core matrix axially through rotor lightening hole.
Described rotor lightening hole is triangular in shape.
The outside of described rotor core inserts is in circular arc, inner side shape in obtuse angle；Each rotor magnetic steel is separately positioned on each blunt
Between angle both sides and ring-shaped rotor iron core matrix.
Described each rotor magnetic steel be respectively arranged at two ends with magnet isolation tank.
Anti- leakage field low-loss motor of the present utility model is in rotor polarised direction using the orientation that pcrmeability is higher
Silicon steel laminations replace non-orientation silicon steel lamination, and stator core inserts is also using orientation silicon steel lamination simultaneously.So in larger current
In the case of still there is higher saturation flux density, reduce loss improves motor efficiency, thus realizing high pulling torque low-loss
Motor.
In this utility model, orientation, that non-oriented silicon steel sheet combination application makes rotor have larger saturation flux is close
Degree, to produce, using it, the unitary current that reluctance torque improves motor further.D-axis magnetic circuit, due to there being the presence of permanent magnet, makes
Obtain its effective air gap larger, thus the impact of d-axis electroreception direct-axis current is insensitive；And effective air gap is little in quadrature axis magnetic circuit, make
The impact obtaining quadrature axis electroreception quadrature axis current is larger, and with the increase of quadrature axis current, acutely, quadrature axis inductance is anxious for quadrature axis magnetic circuit saturation
Acute decline.This allow for the convex grey subset in low speed high capacity for the motor than unloaded when reduce.The saturation major embodiment of quadrature axis magnetic circuit
Saturation in stator tooth, the saturation of yoke and rotating pole-piece.For stator saturation, by using stator tooth, yoke by orientation silicon steel
Make, and the area of reasonable distribution tooth, yoke can effectively be alleviated.To rotating pole-piece saturation, pole shoe tangentially can be rolled, this
Although sample increases rotor leakage, the pcrmeability of quadrature axis magnetic circuit significantly increases, and also can ensure motor in the case of larger current
Still there is higher convex grey subset；The anti-leakage field low-loss motor that this utility model provides utilizes the whole of prior art feasible system
The manufacture of body, assembling realizability is strong.
Brief description
Fig. 1 is the rotor cross-sectional structure schematic diagram of this utility model anti-leakage field low-loss motor；
Fig. 2 is the rotor cross-section partial schematic diagram of this utility model anti-leakage field low-loss motor；
Fig. 3 is the stator cross section partial schematic diagram of this utility model anti-leakage field low-loss motor；
Fig. 4 is the rotor cross section partial schematic diagram of this utility model anti-leakage field low-loss motor；
Fig. 5 is the stator and rotor sructure schematic diagram of this utility model anti-leakage field low-loss motor；
Fig. 6 is the stator structure schematic diagram of this utility model anti-leakage field low-loss motor；
Fig. 7 is the rotor structure schematic diagram of this utility model anti-leakage field low-loss motor；
Fig. 8 is the rotor local lamination schematic diagram of this utility model anti-leakage field low-loss motor；
Fig. 9 is the stator partial structural diagram of this utility model anti-leakage field low-loss motor；
Figure 10 is the rotor local structural representation of this utility model anti-leakage field low-loss motor；
Figure 11 is the stator teeth punching schematic diagram of this utility model anti-leakage field low-loss motor.
Specific embodiment
Referring to Fig. 1, cooperation referring to Fig. 2-Figure 11, anti-leakage field low-loss motor of the present utility model, include stator with
Rotor；Stator includes stator core and stator winding 10, and rotor includes rotor core and rotor magnetic steel 1.
Stator core in this utility model includes the annular stator core matrix 7 being made up of stator non-orientation silicon steel lamination
With multiple stator core inserts 8 being made up of stator orientation silicon steel lamination, multiple stator core inserts uniform intervals are connected to fixed
The interior hand hay cutter of sub- iron core matrix, multiple stator winding 10 pass through respectively between each adjacent stator core inserts.
Rotor core in this utility model includes the ring-shaped rotor iron core matrix 4 being made up of rotor non-orientation silicon steel lamination
With multiple rotor core inserts 2 being made up of rotor orientation silicon steel lamination, the interlocking of multiple rotor core inserts uniform intervals turning
The outside of sub- iron core matrix simultaneously collectively constitutes rounded outer surface with rotor core matrix, and multiple rotor magnetic steels are separately positioned on rotor
Between iron core matrix and each rotor core inserts.
The inner side uniform intervals of above-mentioned annular stator core matrix 7 are provided with multiple axial dovetail grooves 9, each stator core inserts
It is provided with corresponding dovetail, each stator core inserts is connected with annular stator core matrix joggle respectively.
It is provided with the axis hole for installing rotating shaft inside above-mentioned ring-shaped rotor iron core matrix 4, outside formation hexagram structure,
Each rotor core inserts 2 is inlaid between two adjacent star angles respectively.
Each Xing Jiao top of above-mentioned ring-shaped rotor iron core matrix 4 is respectively provided on two sides with the card angle 3 turned up, and each rotor core is embedding
Part be respectively provided on two sides with corresponding extension wedge angle, each rotor core inserts respectively with ring-shaped rotor iron core matrix interlocking be connected.
Be respectively equipped with inside each star angle of ring-shaped rotor iron core matrix 4 axially through rotor lightening hole 5, this rotor subtracts
Repeated hole is triangular in shape.
The outside of rotor core inserts is in circular arc, inner side shape in obtuse angle；Each rotor magnetic steel is separately positioned on each obtuse angle two
Between side and ring-shaped rotor iron core matrix.
It is respectively arranged at two ends with magnet isolation tank 6 in each rotor magnetic steel.
Using anti-leakage field low-loss motor of the present utility model, the iron loss being orientated steel band in rolling direction is only laterally
1/3, the ratio of pcrmeability is 6：1, its iron loss is about the 1/2 of hot-rolled strip, and pcrmeability is 2.5 times of hot-rolled strip.For realizing driving
Motor obtains higher convex grey subset in design driven motor, using the orientation silicon steel that pcrmeability is higher in rotor polarised direction
Lamination replaces non-orientation silicon steel lamination, and stator pole shoes are also using orientation silicon steel lamination simultaneously.So in the case of larger current still
There is higher convex grey subset, reduce loss, improve motor efficiency.
Claims (12)
1. a kind of anti-leakage field low-loss motor, including stator and rotor；Stator includes stator core and stator winding, rotor
Including rotor core and rotor magnetic steel；It is characterized in that：
Described stator core include the annular stator core yoke portion's matrix being made up of stator non-orientation silicon steel lamination and multiple by fixed
The stator core inserts of sub- orientation silicon steel lamination composition, multiple stator core inserts uniform intervals are connected to stator core yoke portion ring
The interior hand hay cutter of shape matrix, multiple stator winding pass through respectively between each adjacent stator core inserts；
Described rotor core includes the ring-shaped rotor iron core matrix being made up of rotor non-orientation silicon steel lamination and multiple is taken by rotor
To the rotor core inserts of silicon steel laminations composition, multiple rotor core inserts uniform intervals are rabbeted in the outside of rotor core matrix
And collectively constituting rounded outer surface with rotor core matrix, multiple rotor magnetic steels are separately positioned on rotor core matrix and each rotor
Between iron core inserts.
2. as claimed in claim 1 anti-leakage field low-loss motor it is characterised in that：Described annular stator core matrix
Inner side uniform intervals are provided with multiple axial dovetail grooves, and described each stator core inserts is provided with corresponding dovetail, each stator core
Inserts is connected with annular stator core matrix joggle respectively.
3. as claimed in claim 1 anti-leakage field low-loss motor it is characterised in that：Inside described ring-shaped rotor core matrix
It is provided with the axis hole for installing rotating shaft, outside formation hexagram structure, described each rotor core inserts is inlaid in biphase respectively
Between adjacent star angle.
4. as claimed in claim 2 anti-leakage field low-loss motor it is characterised in that：Described annular stator yoke portion ring group
The non-orientation silicon steel that body uses adopts single punch-die impact style, first strikes out the consistent list of some shapes according to yoke portion design drawing
Piece, after these monolithics are laminated, is welded into as annular cylindrical on the cylindrical tangent plane of ring base to it by the way of welding
Body.
5. as claimed in claim 2 anti-leakage field low-loss motor it is characterised in that：Described stator teeth is by several
Constitute with the tooth block of yoke portion equal number, each tooth block uses orientation silicon steel, often a piece of orientation silicon steel adopts one-shot die stamping
Mode, first strikes out the consistent monolithic of some shapes according to teeth portion design drawing, then carries out piece to it by the way of self-adhesive
Bonding and piece between, constitutes shape unanimously along the oriented silicon steel-tooth block of magnetic line of force rolling direction.
6. as claimed in claim 3 anti-leakage field low-loss motor it is characterised in that：Described ring-shaped rotor matrix uses
Non-orientation silicon steel adopt single punch-die impact style, first strike out the consistent monolithic of some shapes according to matrix design drawing, by this
After a little monolithics laminate, by the way of welding, it is welded into as ring in ring base inner circle, the tangent plane being contacted with axle
Shape cylinder.
7. as claimed in claim 3 anti-leakage field low-loss motor it is characterised in that：If described rotor core inserts by
The dry tooth block with rotor annular matrix equal number is constituted, and each tooth block uses orientation silicon steel, and often a piece of orientation silicon steel is adopted
Use single punch-die impact style, first strike out the consistent monolithic of some shapes according to teeth portion design drawing, then adopt the side of self-adhesive
Formula carries out the bonding between piece and piece to it, constitutes shape unanimously along the oriented silicon steel-tooth block of magnetic line of force rolling direction.
8. as claimed in claim 3 anti-leakage field low-loss motor it is characterised in that：Described ring-shaped rotor iron core matrix
Each Xing Jiao top is respectively provided on two sides with the Ka Jiao turning up, described each rotor core inserts be respectively provided on two sides with corresponding extension point
Angle, each rotor core inserts is connected with the interlocking of ring-shaped rotor iron core matrix respectively.
9. as claimed in claim 3 anti-leakage field low-loss motor it is characterised in that：Described ring-shaped rotor iron core matrix
Be respectively equipped with inside each star angle axially through rotor lightening hole.
10. as claimed in claim 9 anti-leakage field low-loss motor it is characterised in that：Described rotor lightening hole is in triangle
Shape.
11. as claimed in claim 1 anti-leakage field low-loss motor it is characterised in that：Outside described rotor core inserts
Side is in circular arc, inner side shape in obtuse angle；Each rotor magnetic steel is separately positioned between each obtuse angle both sides and ring-shaped rotor iron core matrix.
12. as claimed in claim 11 anti-leakage field low-loss motor it is characterised in that：The two ends of described each rotor magnetic steel
It is respectively equipped with magnet isolation tank.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620560249.2U CN205986369U (en) | 2016-06-12 | 2016-06-12 | Anti magnetic leakage low -loss driving motor structure |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620560249.2U CN205986369U (en) | 2016-06-12 | 2016-06-12 | Anti magnetic leakage low -loss driving motor structure |
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| CN205986369U true CN205986369U (en) | 2017-02-22 |
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| CN201620560249.2U Active CN205986369U (en) | 2016-06-12 | 2016-06-12 | Anti magnetic leakage low -loss driving motor structure |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106712335A (en) * | 2016-06-12 | 2017-05-24 | 上海英磁新能源科技有限公司 | Anti-flux leakage low-loss driving motor design |
| CN109687616A (en) * | 2019-02-25 | 2019-04-26 | 河北工业大学 | Novel permanent magnetic saturable synchronous magnetic resistance motor |
| CN110224568A (en) * | 2019-06-06 | 2019-09-10 | 杭州中科伺尔沃电机技术有限公司 | The embedded rotor motor of Cartesian robot |
| DE102019109714A1 (en) * | 2019-04-12 | 2020-10-15 | Dr. Ing. H.C. F. Porsche Aktiengesellschaft | Rotor of an electrical machine |
| US11888350B2 (en) | 2021-02-26 | 2024-01-30 | Huawei Digital Power Technologies Co., Ltd. | Stator, stator manufacturing method, motor, and electric vehicle |
-
2016
- 2016-06-12 CN CN201620560249.2U patent/CN205986369U/en active Active
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106712335A (en) * | 2016-06-12 | 2017-05-24 | 上海英磁新能源科技有限公司 | Anti-flux leakage low-loss driving motor design |
| CN106712335B (en) * | 2016-06-12 | 2024-03-01 | 上海英磁新能源科技有限公司 | Anti-magnetic leakage low-loss driving motor design |
| CN109687616A (en) * | 2019-02-25 | 2019-04-26 | 河北工业大学 | Novel permanent magnetic saturable synchronous magnetic resistance motor |
| CN109687616B (en) * | 2019-02-25 | 2023-08-22 | 河北工业大学 | Novel permanent magnet magnetism-assisted synchronous reluctance motor |
| DE102019109714A1 (en) * | 2019-04-12 | 2020-10-15 | Dr. Ing. H.C. F. Porsche Aktiengesellschaft | Rotor of an electrical machine |
| CN110224568A (en) * | 2019-06-06 | 2019-09-10 | 杭州中科伺尔沃电机技术有限公司 | The embedded rotor motor of Cartesian robot |
| US11888350B2 (en) | 2021-02-26 | 2024-01-30 | Huawei Digital Power Technologies Co., Ltd. | Stator, stator manufacturing method, motor, and electric vehicle |
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Legal Events
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| C14 | Grant of patent or utility model | ||
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| CP02 | Change in the address of a patent holder |
Address after: Room 203, Building 3, No. 8 Memorial Road, Yangpu District, Shanghai, 2003 Patentee after: Shanghai British magnetic Amperex Technology Limited Address before: No. 198, Wudong Road, Yangpu District, Shanghai, 200434 801 Patentee before: Shanghai British magnetic Amperex Technology Limited |