CN201985646U - Rotor - Google Patents
Rotor Download PDFInfo
- Publication number
- CN201985646U CN201985646U CN2011200393587U CN201120039358U CN201985646U CN 201985646 U CN201985646 U CN 201985646U CN 2011200393587 U CN2011200393587 U CN 2011200393587U CN 201120039358 U CN201120039358 U CN 201120039358U CN 201985646 U CN201985646 U CN 201985646U
- Authority
- CN
- China
- Prior art keywords
- rotor
- laminations
- magnet
- stack
- magnets
- 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.)
- Expired - Fee Related
Links
Images
Landscapes
- Permanent Field Magnets Of Synchronous Machinery (AREA)
Abstract
一种电机转子包括：一可绕一条轴线转动的轴；一与所述轴固定的叠片组；至少两排磁体，其中每排中的磁体径向朝外地布置在所述叠片组的圆周上且彼此沿切向间隔开；一沿切向缠绕在所述叠片组和所述磁体上的绑带，其中所述绑带上的张力形成弦；所述至少两排磁体以错开方式布置。本实用新型的转子特别适用于高速转动的电机。同时，所述错开方式将使所述电机的转动更为顺畅并具有更低的扭矩波动。
A motor rotor comprising: a shaft rotatable about an axis; a stack of laminations fixed to the shaft; at least two rows of magnets, wherein the magnets in each row are arranged radially outwardly on the circumference of the stack of laminations and tangentially spaced from each other; a strap wound tangentially around the lamination stack and the magnets, wherein the tension on the strap forms a string; the at least two rows of magnets are arranged in a staggered manner . The rotor of the utility model is particularly suitable for high-speed rotating motors. At the same time, the staggered manner will make the motor rotate more smoothly and have lower torque fluctuation.
Description
Technical field
The utility model relates to a kind of rotor, particularly relates to a kind of rotor with low torque ripple that is used for high-speed electric expreess locomotive.
Background technology
Motor is the electric machine that utilizes the magnetic field operation, wherein is used for electric energy is converted into the motor that is called of mechanical energy, and is used for mechanical energy is converted into the generator that is called of electric energy.Motor mainly comprises stator and two mechanical parts of rotor.Chinese patent application CN101567592A discloses a kind of rotor that comprises a stack of laminations, plurality of magnets and a bandage, and the peripheral and described bandage that wherein said magnet radially outward is arranged in described stack of laminations is wrapped on the described magnet.When described rotor rotation, described bandage keeps described magnet to be thrown away from rotor when running up to prevent them.Yet aspect the frequent torque ripple that occurs, described motor still leaves some room for improvement when the operation of reply motor.
The utility model content
The purpose of this utility model is, a kind of rotor with low torque ripple that is used for high-speed electric expreess locomotive is provided.Described rotor comprises: one can be around the axle of a rotational; One with the fixing stack of laminations of described axle; At least two row's magnets, the magnet among wherein every row radially outward are arranged on the circumference of described stack of laminations and are tangentially spaced apart each other; One tangentially is wrapped in the bandage on described stack of laminations and the described magnet, and the tension force on the wherein said bandage forms string; Described at least two row's magnets are arranged in the mode that staggers.Even motor is with 3000 rev/mins high speed rotating, the tension force on the bandage also can keep described magnet securely.Simultaneously, the rotation that will make described motor of the described mode that staggers is more smooth and easy and have a lower torque ripple.
According to an aspect of the present utility model, the surface towards stator of described magnet is protruding.This makes that the rotation of described motor is more smooth and easy and has lower torque ripple.
According on the other hand of the present utility model, the described bandage that is twined is more than one deck.This makes described bandage more reliably and securely keep described magnet.
According to of the present utility model more on the one hand, more than two rows' described magnets to arrange towards the mode that staggers of a side of row.
According to another aspect of the present utility model, more than two rows' described magnets alternately to arrange towards the mode that staggers of the both sides of row.
According to another aspect of the present utility model, protruding part is arranged among every row between two adjacent described magnets.This makes described magnet exempt from the assembling process of described motor or when described motor stops suddenly in running tangentially and moves.
According to another aspect of the present utility model, be furnished with a plurality of axially extending bores on the described stack of laminations.This will allow to install other parts of described motor.
According to another aspect of the present utility model, described protruding part and described stack of laminations are an integral body.
The purpose of this utility model also is, a kind of motor with above-mentioned rotor is provided.
Advantage of the present utility model is: be applicable to the motor of high-speed cruising and have lower torque ripple, make that the rotation of described motor is more smooth and easy.
Description of drawings
In conjunction with the following drawings, it is clearer that feature and advantage of the present utility model will become, parts that wherein identical symbolic representation is identical or device:
Fig. 1 has schematically showed according to the cutaway view of the rotor 1 of first execution mode, has wherein omitted bandage;
Fig. 2 has schematically showed according to the stereogram of the rotor 2 of second execution mode, has wherein omitted bandage;
Fig. 3 has schematically showed the stereogram according to the rotor 3 of the 3rd execution mode, and bandage is arranged and omitted to two row's magnets of its rotor 3 in the mode that staggers;
Fig. 4 has schematically showed a kind of mode that staggers of magnet;
Fig. 5 has schematically showed the another kind of the magnet mode that staggers;
Fig. 6 has schematically showed the stereogram of having assembled the rotor 3 behind the bandage.
Embodiment
Fig. 1 has showed the rotor 1 according to first execution mode of the present utility model, and it is from the relation between the different parts of axially having showed rotor 1 and do not have bandage.Rotor 1 comprises: an axle 14, and it can rotate around an axis 15; A stack of laminations 13, it is fixing with axle 14; One row's magnet 11, wherein four magnets 11 radially outward are arranged on the circumference of stack of laminations 13 and are tangentially spaced apart each other.Article one, the bandage (not shown) can according to subsequently the 3rd execution mode in identical mode tangentially be wrapped on the magnet 11.When magnet 11 more than when row, can according to subsequently the second or the 3rd execution mode in the identical mode that staggers arrange.
As shown in Figure 1, the surface towards the stator (not shown) of magnet 11 is protruding in the central, promptly should cave on its tangential both sides of the edge on the surface.The degree of magnet 11 center projections or perhaps marginal trough can be decided according to the concrete needs of operational environment by those skilled in the art.Protruding part 12 is arranged between two magnets 11 of same row, and can become one with stack of laminations 13, for example with the lamination punch forming that constitutes stack of laminations 13, perhaps separates with stack of laminations 13.A plurality of axially extending bore (not shown) that can be furnished with on the stack of laminations 13 are used for other parts are connected to rotor 1.
Fig. 2 has showed according to the stereogram of the rotor 2 of second execution mode of the present utility model, has not wherein had bandage.Compare with rotor 1, have more magnet among every row of rotor 2, and be furnished with axially extending bore 26 equally and be used for other parts are connected to rotor 2.Rotor 2 has one equally can be around the axle 24 of an axis 25 rotations; A stack of laminations 23 of fixing with axle 24; Magnet 21 among every row radially outward is arranged on the circumference of stack of laminations 23 and is tangentially spaced apart each other; A protruding part 22 is arranged between two adjacent magnets 21 of same row, and can become one with stack of laminations 23, for example with the lamination punch forming that constitutes stack of laminations 23, perhaps separates with stack of laminations 23.With the most cases lower magnet according to one become with the parallel straight line of axis 25 vertically delegation different be, the formations that are arranged in different rows arrange in the mode that staggers with the magnet 21 of delegation, wherein with the magnet 21 of delegation to arrange towards the mode that staggers of a side of this row.Particularly, the mode that staggers is meant with an end of magnet in the delegation 21 and a corresponding end of adjacent magnets 21 and departs from certain distance.Article one, the bandage (not shown) can tangentially be wrapped on the magnet 21 according to the mode identical with subsequently the 3rd execution mode.Magnet 21 has the side profile of the projection identical with first execution mode of Fig. 1 displaying.
Fig. 3 has schematically showed the rotor 3 according to the 3rd execution mode of the present utility model, radially outward is arranged in comprising two row's magnets of magnet 311,312 and 313 on the circumference of stack of laminations 33 and tangentially spaced apart each other.Respectively in two adjacent rows, and arrange in the mode that staggers that according to a vertically and not parallel straight line promptly a corresponding end of an end of magnet 311 and adjacent magnets 312 departs from one apart from d with two magnets 311 and 312 of delegation with axis 35.Rotor 3 has one equally can be around the axle 34 of an axis 35 rotations; A stack of laminations 33 of fixing with axle 34; Protruding part 32 is arranged between two adjacent magnets 311 and 313 of same row, and can become one with stack of laminations 33, for example with the lamination punch forming that constitutes stack of laminations 33, perhaps separates with stack of laminations 33.
Fig. 4 schematically showed magnet more than two rows' situations under the mode that staggers of every capable magnet, wherein showed the same delegation magnet that the magnets by six different rows constitute.This delegation's magnet is staggeredly arranged with the side of the mode identical with second execution mode towards this row, and has comprised the magnet of arranging along axis 35 311 and 312.It will be understood by those skilled in the art that delegation's magnet here also can select to stagger towards the opposite side of this row.
Fig. 5 has schematically showed a kind of alternative mode that staggers, and compares with the mode that staggers shown in Figure 4, and magnet alternately staggers towards the both sides of this row.
Fig. 6 has schematically showed the rotor 3 that is assembled with bandage 37.Every row has six magnets in the rotor 3.Each magnet sinking like that as depicted in figs. 1 and 2 in center projections and in tangential both sides of the edge.When bandage 37 tangentially is wrapped on the magnet, tension force on the bandage 37 makes bandage 37 only contact with the central authorities of the projection of each magnet, thereby cause having formed one section straight string between per two the adjacent magnets among every row, and then magnet is firmly fixed on the circumference of stack of laminations 33.Therefore, it is a regular hexagon that the side profile of viewed rotor 3 is close to, although this hexagonal angle is not sharp-pointed.Rotor 3 has a plurality of axially extending bores 36 that are arranged on the stack of laminations 33, is connected to other parts of rotor 3 with joint.
Relate to a kind of motor according to unshowned the 4th execution mode of the present utility model of accompanying drawing with the arbitrary rotor in aforementioned three kinds of execution modes.
In the utility model, among the row quantity, the row's of magnet quantity or can decide according to the needs of concrete operational environment by those skilled in the art apart from d.In addition, " axially " in the utility model, " radially " and " tangentially " all for axis 15,25 or 35, " axially " expression direction of 15,25 or 35 that parallels to the axis wherein; " radially " expression is vertical and through the directions of axis 15,25 or 35, and wherein axis 15,25 or 35 direction are called " radial outward " dorsad; " tangentially " expression is not only perpendicular to axis 15,25 or 35 but also perpendicular to the direction of " radially ".
Although more than showed execution mode of the present utility model, described execution mode is not intended to show all possible form of the present utility model.In addition, the content in this specification is descriptive, and nonrestrictive.Those skilled in the art can make variations and modifications to the content of this specification, and do not depart from the scope of purport of the present utility model and claim.
Claims (9)
1. rotor comprises:
One can be around an axis (15; 25; 35; ) axle (14 that rotates; 24; 34; );
One with described axle (14; 24; 34; ) fixing stack of laminations (13; 23; 33; );
At least two row's magnets (11; 21; ), the magnet (11 among wherein every row; 21; ) radially outward be arranged in described stack of laminations (13; 23; 33; ) circumference on and tangentially spaced apart each other; And,
One tangentially is wrapped in described stack of laminations (13; 23; 33; ) and described magnet (11; 21; ) on bandage (37), tension force on the wherein said bandage (37) forms string;
It is characterized in that described at least two row's magnets (11; 21; ) mode is arranged to stagger.
2. rotor as claimed in claim 1 is characterized in that:
Described magnet (11; 21; ) the surface towards stator be protruding.
3. rotor as claimed in claim 1 is characterized in that:
The described bandage (37) that is twined is more than one deck.
4. rotor as claimed in claim 1 is characterized in that:
Described magnet (11 more than two rows; 21; ) to arrange towards the mode that staggers of a side of going.
5. rotor as claimed in claim 1 is characterized in that:
Described magnet (11 more than two rows; 21; ) alternately to arrange towards the mode that staggers of the both sides of going.
6. as the described rotor of above-mentioned each claim, it is characterized in that:
A protruding part (12; 22; ) be arranged in two adjacent described magnets (11 among every row; 21; ) between.
7. rotor as claimed in claim 1 is characterized in that:
Described stack of laminations (13; 23; 33; ) on be furnished with a plurality of axially extending bores.
8. rotor as claimed in claim 6 is characterized in that:
Described protruding part (12; 22; ) and described stack of laminations (13; 23; 33; ) be an integral body.
9. motor, it is characterized in that: described motor has as the described rotor of each claim in the claim 1 to 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200393587U CN201985646U (en) | 2011-02-15 | 2011-02-15 | Rotor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200393587U CN201985646U (en) | 2011-02-15 | 2011-02-15 | Rotor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201985646U true CN201985646U (en) | 2011-09-21 |
Family
ID=44613097
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011200393587U Expired - Fee Related CN201985646U (en) | 2011-02-15 | 2011-02-15 | Rotor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201985646U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103036335A (en) * | 2011-09-28 | 2013-04-10 | 株式会社丰田自动织机 | Electric motor for a motor-driven compressor and said motor-driven compressor |
| CN103516081A (en) * | 2012-06-20 | 2014-01-15 | 株式会社电装 | Rotor, dynamo-electric machine having rotor and rotor manufacturing method |
| CN110429731A (en) * | 2019-07-31 | 2019-11-08 | 中车永济电机有限公司 | Large modular symmetrical inclined poles permanent magnetism wind power generator rotor |
-
2011
- 2011-02-15 CN CN2011200393587U patent/CN201985646U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103036335A (en) * | 2011-09-28 | 2013-04-10 | 株式会社丰田自动织机 | Electric motor for a motor-driven compressor and said motor-driven compressor |
| CN103036335B (en) * | 2011-09-28 | 2015-08-12 | 株式会社丰田自动织机 | The electro-motor of motor driven compressor and this motor driven compressor |
| CN103516081A (en) * | 2012-06-20 | 2014-01-15 | 株式会社电装 | Rotor, dynamo-electric machine having rotor and rotor manufacturing method |
| CN103516081B (en) * | 2012-06-20 | 2015-08-12 | 株式会社电装 | Rotor, the electric generator-motor with rotor and method for manufacturing rotor |
| CN110429731A (en) * | 2019-07-31 | 2019-11-08 | 中车永济电机有限公司 | Large modular symmetrical inclined poles permanent magnetism wind power generator rotor |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201805288U (en) | Permanent magnet rotary motor | |
| WO2012104055A3 (en) | Electric motor | |
| CN201985646U (en) | Rotor | |
| CN201008107Y (en) | Rotor for electric machine | |
| CN102510191B (en) | Transverse-axis radial flux structure brushless compound permanent magnet motor | |
| CN104904103A (en) | Machine with two co-axial rotors | |
| CN203289217U (en) | Disc type motor rotor | |
| CN201307792Y (en) | Multi-section misplaced magnetic-shoe rotor | |
| CN204858787U (en) | Rotor punching and permanent -magnet machine who uses thereof | |
| CN107466435B (en) | Rotor Assemblies for Electric Motors | |
| JP6551685B2 (en) | Rotor of electric rotating machine | |
| CN107852043A (en) | Annular stator, generator and there is its wind energy plant | |
| CN102497073B (en) | Transverse Flux Brushless Feed Dual Rotor Motor | |
| CN202602399U (en) | Stator punching sheet, stator core and motor | |
| CN202798222U (en) | Improved structure of motor rotor | |
| CN103795211A (en) | Mother-son-type wheel hub motor | |
| CN202524186U (en) | Stator core for motor | |
| CN204886443U (en) | Motor stator punching piece | |
| CN204741351U (en) | Rotor blade of silicon steel for PMSM | |
| CN205509741U (en) | Tandem type axial excitation switched reluctance motor structure | |
| CN202906635U (en) | Wear-resistant adjusting washer used for low-power motor | |
| CN203387310U (en) | Ferrite magnet motor inner rotor | |
| CN205583967U (en) | Permanent magnet motor | |
| CN104333160A (en) | Motor rotor | |
| US20130088113A1 (en) | Motor having more magnets on effective area of the rotor thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110921 Termination date: 20200215 |