CN209267298U - A kind of magneto, rotor and rotor punching - Google Patents
A kind of magneto, rotor and rotor punching Download PDFInfo
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- CN209267298U CN209267298U CN201920141030.2U CN201920141030U CN209267298U CN 209267298 U CN209267298 U CN 209267298U CN 201920141030 U CN201920141030 U CN 201920141030U CN 209267298 U CN209267298 U CN 209267298U
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- punching
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- stator
- magnetic
- magnetic slot
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Abstract
The utility model relates to a kind of magneto, rotor and rotor punchings.Rotor punching includes punching ontology, the lightening hole for being provided with axis hole on the punching ontology and being intervally arranged around axis hole, each pole alpha region of the punching ontology is additionally provided with the magnetic slot group for mounting magnetic steel, the magnetic slot group includes at least two magnetic slots being intervally arranged along punching ontology radial direction, and each magnetic slot group is also provided with magnet isolation tank along two side positions of punching ontology circumferential direction.By the way that magnet isolation tank is arranged on rotor punching in the utility model, magnet isolation tank can effectively completely cut off most leakage field, alleviate magnetic flux leakage, improve the utilization rate of magnet steel and reluctance torque, the setting of magnetic slot group further mitigates magnetic flux leakage, improves the overall performance of motor.
Description
Technical field
The utility model relates to motor stamping technical field more particularly to a kind of magnetoes, rotor and rotor punching.
Background technique
Power source of the motor as electric appliance and various machinery is mainly used for realizing the conversion of mechanical energy and electric energy.Motor
It is mainly made of stator, rotor and base, wherein stator includes stator core and stator winding, and rotor includes rotor core and turns
Sub- winding, and stator core is generally overrided to form by stator punching punching, rotor core generally laminated by rotor punching punching and
At.
Magnet steel is installed on rotor punching, is limited to the factors such as the excellent and Product Precision of existing processing method, material,
Inevitably there is the phenomenon that leakage field during operation in motor.The utilization rate of magnet steel can be reduced when especially magnetic flux leakage is larger and is made
Reluctance torque cannot be utilized effectively, and then lead to the reduction of motor overall performance, be unfavorable for the fortune of the efficient high torque (HT) of motor
Turn.And the design of the structure of rotor punching in the prior art and stator punching is not that especially rationally, motor is during operation
Still remain the larger problem of magnetic flux leakage.
Utility model content
The utility model provides a kind of rotor punching, and the structure for solving rotor punching in the prior art, which designs, not to be conformed to
Reason, the motor technical problem serious there are leakage field.The utility model additionally provides a kind of rotor using above-mentioned rotor punching.This
Utility model additionally provides a kind of magneto using above-mentioned rotor.
The rotor punching of the utility model adopts the following technical scheme that:
Rotor punching includes punching ontology, and axis hole is provided on the punching ontology and is subtracted around what axis hole was intervally arranged
Repeated hole, each pole alpha region of the punching ontology are additionally provided with the magnetic slot group for mounting magnetic steel, and the magnetic slot group includes
At least two magnetic slots being intervally arranged along punching ontology radial direction, each magnetic slot group is along the two sides of punching ontology circumferential direction
Position is also provided with magnet isolation tank.
The utility model has the advantages that by the way that magnet isolation tank is arranged on rotor punching in the utility model, magnet isolation tank can be effectively to big
Partial leakage field is completely cut off, and magnetic flux leakage is alleviated, and improves the utilization rate of magnet steel and reluctance torque.In addition, by list
The more than two magnetic slots of setting in a pole alpha region, each magnetic slot also can carry out a degree of isolation to leakage field, further
Magnetic flux leakage is alleviated, the overall performance of motor is improved, improves the efficiency and torque of motor.
It further, include two magnetic slots in each magnetic slot group, one of them of two magnetic slots is biggish for specification
Big magnetic slot, another be the lesser small magnetic slot of specification, the outside of big magnetic slot is arranged in the small magnetic slot.It is beneficial to effect
Fruit is: in big magnetic slot can the biggish magnet steel of installation specification, and the magnet steel specification installed in small magnetic slot is smaller, so that
Big magnet steel reduces the effect of centrifugal force closer to the center position of motor, improves stability when motor rotation.
Further, the big magnetic slot is rectangle, and the small magnetic slot is kidney-shaped, and the small magnetic slot has in
The gap of side.The beneficial effect is that: lesser magnet steel can be with clamping fixed in opening position, and the both ends of small magnet steel are got along well small magnet steel
The cell wall of slot contacts, to effectively completely cut off magnetic flux leakage.
Further, magnetic bridge is provided between each magnet isolation tank and corresponding magnetic slot.The beneficial effect is that: Neng Goujin
One step reduces magnetic flux leakage.
Further, the lightening hole is isosceles trapezoid.The beneficial effect is that: rotor overall weight had not only been alleviated, but also had been protected
Having demonstrate,proved rotor has enough mechanical strengths.
The rotor of the utility model adopts the following technical scheme that:
Rotor includes multiple rotor punchings that punching overlaps together, and the rotor punching includes punching ontology, the punching
Each pole alpha region of the lightening hole for being provided with axis hole on piece ontology and being intervally arranged around axis hole, the punching ontology is also set up
There is a magnetic slot group for mounting magnetic steel, the magnetic slot group includes at least two being intervally arranged along punching ontology radial direction
Magnetic slot, each magnetic slot group are also provided with magnet isolation tank along two side positions of punching ontology circumferential direction.
The utility model has the advantages that by the way that magnet isolation tank is arranged on rotor punching in the utility model, magnet isolation tank can be effectively to big
Partial leakage field is completely cut off, and magnetic flux leakage is alleviated, and improves the utilization rate of magnet steel and reluctance torque.In addition, by list
The more than two magnetic slots of setting in a pole alpha region, each magnetic slot also can carry out a degree of isolation to leakage field, further
Magnetic flux leakage is alleviated, the overall performance of motor is improved, improves the efficiency and torque of motor.
It further, include two magnetic slots in each magnetic slot group, one of them of two magnetic slots is biggish for specification
Big magnetic slot, another be the lesser small magnetic slot of specification, the outside of big magnetic slot is arranged in the small magnetic slot.It is beneficial to effect
Fruit is: in big magnetic slot can the biggish magnet steel of installation specification, and the magnet steel specification installed in small magnetic slot is smaller, so that
Big magnet steel reduces the effect of centrifugal force closer to the center position of motor, improves stability when motor rotation.
Further, the big magnetic slot is rectangle, and the small magnetic slot is kidney-shaped, and the small magnetic slot has in
The gap of side.The beneficial effect is that: lesser magnet steel can be with clamping fixed in opening position, and the both ends of small magnet steel are got along well small magnet steel
The cell wall of slot contacts, to effectively completely cut off magnetic flux leakage.
Further, magnetic bridge is provided between each magnet isolation tank and corresponding magnetic slot.The beneficial effect is that: Neng Goujin
One step reduces magnetic flux leakage.
Further, the lightening hole is isosceles trapezoid.The beneficial effect is that: rotor overall weight had not only been alleviated, but also had been protected
Having demonstrate,proved rotor has enough mechanical strengths.
The magneto of the utility model adopts the following technical scheme that:
Magneto includes stator and rotor, and the stator includes stator core iron core, and the stator core includes punching
The multiple stator punchings overlapped together, the rotor include rotor core, the rotor core include punching press stacker together
Multiple rotor punchings, rotor punching includes punching ontology, axis hole is provided on the punching ontology and around axis hole interval
The lightening hole of arrangement, each pole alpha region of the punching ontology are additionally provided with the magnetic slot group for mounting magnetic steel, the magnet steel
Slot group includes at least two magnetic slots being intervally arranged along punching ontology radial direction, and each magnetic slot group is along punching ontology circumferential direction side
To two side positions be also provided with magnet isolation tank.
The utility model has the advantages that by the way that magnet isolation tank is arranged on rotor punching in the utility model, magnet isolation tank can be effectively to big
Partial leakage field is completely cut off, and magnetic flux leakage is alleviated, and improves the utilization rate of magnet steel and reluctance torque.In addition, by list
The more than two magnetic slots of setting in a pole alpha region, each magnetic slot also can carry out a degree of isolation to leakage field, further
Magnetic flux leakage is alleviated, the overall performance of motor is improved, improves the efficiency and torque of motor.
It further, include two magnetic slots in each magnetic slot group, one of them of two magnetic slots is biggish for specification
Big magnetic slot, another be the lesser small magnetic slot of specification, the outside of big magnetic slot is arranged in the small magnetic slot.It is beneficial to effect
Fruit is: in big magnetic slot can the biggish magnet steel of installation specification, and the magnet steel specification installed in small magnetic slot is smaller, so that
Big magnet steel reduces the effect of centrifugal force closer to the center position of motor, improves stability when motor rotation.
Further, the big magnetic slot is rectangle, and the small magnetic slot is kidney-shaped, and the small magnetic slot has in
The gap of side.The beneficial effect is that: lesser magnet steel can be with clamping fixed in opening position, and the both ends of small magnet steel are got along well small magnet steel
The cell wall of slot contacts, to effectively completely cut off magnetic flux leakage.
Further, magnetic bridge is provided between each magnet isolation tank and corresponding magnetic slot.The beneficial effect is that: Neng Goujin
One step reduces magnetic flux leakage.
Further, the lightening hole is isosceles trapezoid.The beneficial effect is that: rotor overall weight had not only been alleviated, but also had been protected
Having demonstrate,proved rotor has enough mechanical strengths.
Further, the stator punching is ring-type, and the internal diameter of stator punching is greater than the outer diameter of rotor punching, stator punching
Including stator yoke and the multiple stator tooths being arranged on the inside of stator yoke, what each stator tooth was intervally arranged along the circumferential direction, appoint
It anticipates and is respectively formed stator slot between two neighboring stator tooth.
Further, the section of the stator slot is trapezoidal.
Detailed description of the invention
Fig. 1 is the rotor punching overall structure diagram of the embodiment 1 of the magneto of the utility model；
Fig. 2 is the partial enlarged view in Fig. 1 at A；
Fig. 3 is the stator punching overall structure diagram of the embodiment 1 of the magneto of the utility model；
Fig. 4 is the partial enlarged view in Fig. 3 at B.
The reference numerals are as follows:
1- axis hole, 2- lightening hole, the big magnetic slot of 3-, the small magnetic slot of 4-, 5- magnet isolation tank, the left magnet isolation tank of 501-, the right side 502- every
Magnetic slot, 6- magnetic bridge, 7- stator tooth, 8- stator slot, 9- stator yoke.
Specific embodiment
To better illustrate the purpose of this utility model, technical solution and advantage, with reference to the accompanying drawings and examples to this
The specific embodiment of utility model is described in further detail.The following examples illustrate the utility model, but is not used to
Limit the scope of the utility model.
The embodiment 1 of the magneto of the utility model:
Magneto includes stator and rotor, and stator includes stator core and the stator line being fixed on stator core
Circle, stator core by stator punching punching, be overrided to form, in the present embodiment stator punching by 0.35~0.5 millimeters thick silicon steel
Piece is made.Rotor includes rotor core and the magnet steel that is fixed on rotor core, rotor core by rotor punching punching, laminate
It forms, rotor punching is also made of the silicon steel sheet of 0.35~0.5 millimeters thick in the present embodiment.Magneto further includes base, on
It states stator and rotor is fixed in base.
As depicted in figs. 1 and 2, the rotor punching of the present embodiment is circle, and the center of rotor punching, which is provided with, to be used for
The axis hole 1 of fixed drive shaft is installed, axis hole 1 is round hole.A circle lightening hole 2 is disposed with around axis hole 1, due to the present embodiment
Magneto be four pairs of pole motors, four pairs of pole motors have 8 pole phases, and 8 pole alpha regions etc. are big and are sector.This implementation
Lightening hole 2 is also equipped with 8 in example, and each lightening hole 2 is one-to-one respectively to be arranged in 8 pole alpha regions, as shown in Figure 1,8
A lightening hole 2 is arranged at equal intervals along the circumferential direction.The shape of lightening hole 2 is isosceles trapezoid in the present embodiment, isosceles trapezoid
Upper bottom edge (i.e. shorter bottom edge) is towards 1 side of axis hole (i.e. the inside of rotor punching), and the bottom of isosceles trapezoid is towards outside.
It there also is provided magnetic slot group in pole alpha region on the outside of isosceles trapezoid, magnetic slot group includes two in the present embodiment
A spaced magnetic slot, one of them of two magnetic slots are the biggish big magnetic slot 3 of specification, another is smaller for specification
Small magnetic slot 4, big magnetic slot 3 is located at the inside of small magnetic slot 4.Big magnetic slot 3 is rectangle, small magnetic slot 4 in the present embodiment
For kidney-shaped, the cell wall of small magnetic slot 4 towards inside is provided with gap, and specific structure is referring to fig. 2.
Each magnetic slot group is provided with magnet isolation tank 5 at left and right sides of rotor punching circumferential direction in the present embodiment, is
Facilitate differentiation, two magnet isolation tanks 5 in each pole alpha region are referred to as left magnet isolation tank 501 and right magnet isolation tank in the present embodiment
502.Left magnet isolation tank 501 and right magnet isolation tank 502 are arranged symmetrically, between left magnet isolation tank 501 and big magnetic slot 3,502 and of right magnet isolation tank
Magnetic bridge 6 is provided between big magnetic slot 3.
Stator punching is annular in the present embodiment, and the internal diameter of stator punching is slightly larger than the outer diameter of rotor punching.Stator punching
Including stator yoke 9, the inside of stator yoke 9 is provided with a circle stator tooth 7, and each stator tooth 7 is along between inner circumferential of stator yoke 9 etc.
Stator slot 8 is formed between setting, two stator tooths 7 of arbitrary neighborhood, stator slot 8 is for installing fixed stator coils, such as Fig. 4 institute
Show, the section of stator slot 8 is trapezoidal in the present embodiment.
The embodiment 2 of the magneto of the utility model, is with the distinguishing characteristics of embodiment 1: the shape of lightening hole can
Think circle, sector, rectangle etc..
The embodiment 3 of the magneto of the utility model, is with the distinguishing characteristics of embodiment 1: can be in magnetic slot group
Including three or more magnetic slots, each magnetic slot arranged for interval from the inside to the outside.
The embodiment 4 of the magneto of the utility model, is with the distinguishing characteristics of embodiment 1: big magnetic slot and small magnetic
Steel tank is waist type groove.
The embodiment of the rotor of the utility model: the rotor in the embodiment of the specific structure of rotor and above-mentioned magneto
Specific structure it is identical, details are not described herein again.
The embodiment of the rotor punching of the utility model: the embodiment of the specific structure of rotor punching and above-mentioned magneto
The specific structure of middle rotor punching is identical, and details are not described herein again.
Above embodiments essentially describe the basic principles and main features and advantage of the utility model.The technology of the industry
For personnel it should be appreciated that the present utility model is not limited to the above embodiments, what is described in the above embodiment and the description is only say
Bright the principles of the present invention, on the premise of not departing from the spirit and scope of the utility model, the utility model also have various
Changes and improvements, these various changes and improvements fall within the scope of the claimed invention.
Claims (9)
1. rotor punching, including punching ontology, it is provided with axis hole (1) on the punching ontology and is spaced around axis hole (1) and arranges
The lightening hole (2) of cloth, it is characterised in that: each pole alpha region of the punching ontology is additionally provided with the magnetic slot for mounting magnetic steel
Group, the magnetic slot group include at least two magnetic slots being intervally arranged along punching ontology radial direction, and each magnetic slot group is along punching
Two side positions of piece ontology circumferential direction are also provided with magnet isolation tank (5).
2. rotor punching according to claim 1, it is characterised in that: in each magnetic slot group include two magnetic slots, two
One of them of magnetic slot be the biggish big magnetic slot (3) of specification, another be the lesser small magnetic slot (4) of specification, it is described small
Magnetic slot (4) is arranged in the outside of big magnetic slot (3).
3. rotor punching according to claim 2, it is characterised in that: the big magnetic slot (3) is rectangle, the small magnet steel
Slot (4) is kidney-shaped, and the small magnetic slot (4) has the gap towards inside.
4. rotor punching according to claim 1 or 2 or 3, it is characterised in that: each magnet isolation tank (5) and corresponding magnetic slot
Between be provided with magnetic bridge (6).
5. rotor punching according to claim 1 or 2 or 3, it is characterised in that: the lightening hole (2) is isosceles trapezoid.
6. rotor, the multiple rotor punchings overlapped together including punching, it is characterised in that: the rotor punching is used as above-mentioned
Rotor punching described in any one of Claims 1 to 5.
7. magneto, including stator and rotor, the stator includes stator core iron core, and the stator core includes that punching is folded
Coarctate multiple stator punchings, the rotor include rotor core, the rotor core include punching press stacker together
Multiple rotor punchings, it is characterised in that: the rotor punching is used as described in any one of above-mentioned Claims 1 to 5
Rotor punching.
8. magneto according to claim 7, it is characterised in that: the stator punching be ring-type, stator punching it is interior
Diameter is greater than the outer diameter of rotor punching, and stator punching includes the multiple stator tooths of stator yoke (9) and setting on the inside of stator yoke (9)
(7), each stator tooth (7) is intervally arranged along the circumferential direction, is respectively formed stator slot between two stator tooths (7) of arbitrary neighborhood
(8)。
9. magneto according to claim 8, it is characterised in that: the section of the stator slot (8) is trapezoidal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920141030.2U CN209267298U (en) | 2019-01-25 | 2019-01-25 | A kind of magneto, rotor and rotor punching |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920141030.2U CN209267298U (en) | 2019-01-25 | 2019-01-25 | A kind of magneto, rotor and rotor punching |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209267298U true CN209267298U (en) | 2019-08-16 |
Family
ID=67584853
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920141030.2U Active CN209267298U (en) | 2019-01-25 | 2019-01-25 | A kind of magneto, rotor and rotor punching |
Country Status (1)
| Country | Link |
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| CN (1) | CN209267298U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111600408A (en) * | 2020-06-15 | 2020-08-28 | 中车株洲电机有限公司 | Composite rotor punching sheet, permanent magnet motor and vehicle |
| WO2021082359A1 (en) * | 2019-10-29 | 2021-05-06 | 宁波菲仕运动控制技术有限公司 | High-speed rotor punching sheet and rotor structure |
-
2019
- 2019-01-25 CN CN201920141030.2U patent/CN209267298U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021082359A1 (en) * | 2019-10-29 | 2021-05-06 | 宁波菲仕运动控制技术有限公司 | High-speed rotor punching sheet and rotor structure |
| CN111600408A (en) * | 2020-06-15 | 2020-08-28 | 中车株洲电机有限公司 | Composite rotor punching sheet, permanent magnet motor and vehicle |
| CN111600408B (en) * | 2020-06-15 | 2022-02-08 | 中车株洲电机有限公司 | Composite rotor punching sheet, permanent magnet motor and vehicle |
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