CN108599497A - Rotor and motor with it - Google Patents
Rotor and motor with it Download PDFInfo
- Publication number
- CN108599497A CN108599497A CN201810530249.1A CN201810530249A CN108599497A CN 108599497 A CN108599497 A CN 108599497A CN 201810530249 A CN201810530249 A CN 201810530249A CN 108599497 A CN108599497 A CN 108599497A
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- CN
- China
- Prior art keywords
- rotor
- iron core
- punching
- slot
- end ring
- Prior art date
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Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K17/00—Asynchronous induction motors; Asynchronous induction generators
- H02K17/02—Asynchronous induction motors
- H02K17/16—Asynchronous induction motors having rotors with internally short-circuited windings, e.g. cage rotors
- H02K17/165—Asynchronous induction motors having rotors with internally short-circuited windings, e.g. cage rotors characterised by the squirrel-cage or other short-circuited windings
Abstract
The invention discloses a kind of rotor and with its motor, rotor includes：First iron core, it is formed by multiple first punchings are stacked, first punching is equipped with multiple the first rotor slots, and compare another first punching close to the first punching of the second end of the first iron core in every two adjacent the first punchings rotates clockwise angle a in the side of first end to the second end of the first iron core upward around the central axis of rotor；Second iron core, it is formed by multiple second punchings are stacked, second punching is equipped with multiple second rotor slots, the second punching in per two adjacent the second punchings close to the second end of the second iron core compares another second punching and rotates clockwise angle b, the cross sectional shape difference of the cross sectional shape of the first rotor slot and the second rotor slot upward around the central axis of rotor to the side of second end in the first end of the second iron core；Cage winding.Rotor according to the ... of the embodiment of the present invention have many advantages, such as it is easy to use, have a wide range of application.
Description
Technical field
The present invention relates to technical field of motor manufacture, in particular to a kind of rotor and the motor with the rotor.
Background technology
The rotor of such as induction electromotor rotor in the related technology needs to design variety classes according to the difference of application scenario
Rotor, such as the rotor applied to low speed high torque occasion or the rotor applied to the small torque pulsation occasion of high speed cause to turn
The various complexity of type of son increases production and uses management cost.
Invention content
The present invention is directed at least solve one of the technical problems existing in the prior art.For this purpose, the present invention proposes a kind of turn
Son, the rotor have many advantages, such as it is easy to use, have a wide range of application.
The present invention also proposes a kind of motor with the rotor.
To achieve the above object, embodiment according to the first aspect of the invention proposes that a kind of rotor, the rotor include：
There is the first end and second end in axial direction, first iron core to be folded by multiple first punchings for first iron core, first iron core
Set, first punching is equipped with multiple the first rotor slots, per in two adjacent first punchings close to described the
First punching of the second end of one iron core compare another described first punching first iron core first end to
The side at two ends rotates clockwise angle a upward around the central axis of the rotor；Second iron core, second iron core with it is described
First iron core is connected and along the axial alignment of the rotor, and second iron core has the first end and second end in axial direction, institute
It states the second iron core to be formed by multiple second punchings are stacked, second punching is equipped with multiple second rotor slots, per adjacent two
Another second punching is compared in second punching of second end in a second punching close to second iron core
Angle b is rotated clockwise upward around the central axis of the rotor in the side of first end to the second end of second iron core,
The cross sectional shape of the first rotor slot is different with the cross sectional shape of second rotor slot；Cage winding, the cage winding
It is matched respectively with first iron core and second iron core.
Rotor according to the ... of the embodiment of the present invention, have many advantages, such as it is easy to use, have a wide range of application.
In addition, rotor according to the above embodiment of the present invention can also have following additional technical characteristic：
According to one embodiment of present invention, the peripheral surface of first iron core is equipped with and is connected to the first rotor slot
Multiple first skewed slots, when first punching is N1, first skewed slot is with rotor axial institute acute angle angle
AN1, the peripheral surface of second iron core are equipped with multiple second skewed slots being connected to second rotor slot, and second punching is
At N2, second skewed slot is bN2 with rotor axial institute acute angle angle.
According to one embodiment of present invention, the inclined direction of first skewed slot and second skewed slot is opposite.
According to one embodiment of present invention, first skewed slot is oblique with described second close to one end of second iron core
Slot is staggered close to one end of first iron core in the axial direction of the rotor.
According to one embodiment of present invention, the first rotor slot and second rotor slot are Z, close to described
First punching of mutually closer second iron core of the second punching of the first iron core rotates 180/Z around the central axis of the rotor
Degree.
According to one embodiment of present invention, in the plane perpendicular to the rotor axial, the first rotor slot
Sectional area is more than the sectional area of second rotor slot.
According to one embodiment of present invention, between two second rotor slots adjacent in each second punching
Minimum interval be more than or equal to the minimum interval between two the first rotor slots adjacent in each first punching.
According to one embodiment of present invention, the first rotor slot includes segmental arc, the first outer arc segments and two in first
The first linkage section being connected respectively with segmental arc in described first and first outer arc segments, second rotor slot include in second
The second linkage section that segmental arc, the second outer arc segments and two are connected with segmental arc in described second and second outer arc segments respectively, institute
State that segmental arc in first is equal with the arc length of segmental arc in described second, the arc length of first outer arc segments is more than second outer arc segments
Arc length.
According to one embodiment of present invention, the arc length of first outer arc segments is the two of the arc length of second outer arc segments
Times or more.
According to one embodiment of present invention, the cage winding include the first end ring, it is the second end ring, third end ring, more
A first linkage section and multiple second linkage sections, first iron core be clamped in first end ring and second end ring it
Between, first end ring and second end ring are electrically connected by multiple first linkage sections, multiple first connections
Section coordinates with multiple the first rotor slots respectively, second iron core be clamped in second end ring and the third end ring it
Between, second end ring and the third end ring are electrically connected by multiple second linkage sections, multiple second connections
Section coordinates with multiple second rotor slots respectively.
According to one embodiment of present invention, the rotor is rotary part or the outer rotor induction of internal rotor induction machine
The rotary part of motor.
Embodiment according to the second aspect of the invention proposes a kind of motor, and the motor includes according to the present invention first
Rotor described in the embodiment of aspect.
According to one embodiment of present invention, the slip of the motor is 0.067-0.267.
Motor according to the ... of the embodiment of the present invention, by using turning described in embodiment according to the first aspect of the invention
Son, have many advantages, such as it is easy to use, have a wide range of application.
The additional aspect and advantage of the present invention will be set forth in part in the description, and will partly become from the following description
Obviously, or practice through the invention is recognized.
Description of the drawings
The above-mentioned and/or additional aspect and advantage of the present invention will become in the description from combination following accompanying drawings to embodiment
Obviously and it is readily appreciated that, wherein：
Fig. 1 is the structural schematic diagram of rotor 1 according to the ... of the embodiment of the present invention.
Fig. 2 is the structural schematic diagram of rotor 1 according to the ... of the embodiment of the present invention.
Fig. 3 is the structural schematic diagram of the first punching of rotor according to the ... of the embodiment of the present invention.
Fig. 4 is the enlarged drawing at D in Fig. 3.
Fig. 5 is the structural schematic diagram of the second punching of rotor according to the ... of the embodiment of the present invention.
Fig. 6 is the enlarged drawing at E in Fig. 5.
Reference numeral：Rotor 1, the first iron core 100, the first punching 110, segmental arc 121, in the first rotor slot 120, first
One outer arc segments 122, the first linkage section 123, the first skewed slot 130, the second iron core 200, the second punching 210, the second rotor slot 220,
Segmental arc 221, the second outer arc segments 222, the second linkage section 223, the second skewed slot 230, cage winding 300, the first end ring in second
310, the second end ring 320, third end ring 330.
Specific implementation mode
The embodiment of the present invention is described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning to end
Same or similar label indicates same or similar element or element with the same or similar functions.Below with reference to attached
The embodiment of figure description is exemplary, and is only used for explaining the present invention, and is not considered as limiting the invention.
Below with reference to the accompanying drawings rotor 1 according to the ... of the embodiment of the present invention is described.
As shown in figs 1 to 6, rotor 1 according to the ... of the embodiment of the present invention includes the first iron core 100, the second iron core 200 and cage
Formula winding 300.
There is first iron core 100 first end and second end in axial direction, the first iron core 100 to be folded by multiple first punchings 110
It sets, the first punching 110 is equipped with multiple the first rotor slots 120, close to the first iron in every two adjacent the first punchings 110
First punching 110 of the second end of core 100 compare another first punching 110 the first iron core 100 first end to second end
Side rotate clockwise angle a upward around the central axis of rotor 1.Second iron core 200 is connected with the first iron core 100 and edge turns
The axial alignment of son 1, the second iron core 200 have the first end and second end in axial direction, and the second iron core 200 is by multiple second punchings
210 it is stacked form, the second punching 210 is equipped with multiple second rotor slots 220, per two adjacent the second punchings 210 in it is close
Second punching 210 of the second end of the second iron core 200 compare another second punching 210 the second iron core 200 first end extremely
The side of second end rotates clockwise angle b upward around the central axis of rotor 1, the cross sectional shape of the first rotor slot 120 and the
The cross sectional shape of two rotor slots 220 is different.Cage winding 300 is matched with the first iron core 100 and the second iron core 200 respectively.
Rotor 1 according to the ... of the embodiment of the present invention passes through cutting the section of the first rotor slot 120 and the second rotor slot 220
Face is set as different shape, for example, the sectional area of the first rotor slot 120 is more than the sectional area of the second rotor slot 220, the second iron core
200 can improve the torque performance when startup of 1 place motor of rotor or low speed, and the first iron core 100 can improve the motor
Torque performance when high speed.The detent torque of 1 place motor of rotor not only can be improved, and can ensure 1 institute of rotor
It is almost the same in the high speed nominal torque and the nominal torque of motor in the related technology of motor, the motor can be taken into account in this way
Start or the torque performance of the high speed of the torque performance and motor of low speed, the applicable range of speeds of increase rotor 1 expand
The application range of greater trochanter 1 improves the functionality and applicability of rotor 1.
Also, by making the sectional area of the first rotor slot 120 be more than the sectional area of the second rotor slot 220, can not only it make
1 place motor of rotor has big torque in low speed, and can reduce torque pulsation of the motor in high speed, compares phase
Rotor in the technology of pass can apply rotor 1 in different occasions, avoid different according to application scenario and need to design a variety of
Different rotors 1, convenient for reducing the design and manufacture difficulty of rotor 1, is convenient for rotor 1 convenient for simplifying the type and type of rotor 1
Production and use, convenient for reducing the use cost of rotor 1, make convenient for improving user convenient for improving the service efficiency of rotor 1
Use comfort.
In addition, by the first punching 110 of the second end of close first iron core 100 in every two adjacent the first punchings 110
Compare another first punching 110 the first iron core 100 first end to second end side upward around rotor 1 central axis
Angle a is rotated clockwise, by the second punching of the second end of close second iron core 200 in every two adjacent the second punchings 210
210 compare another second punching 210 the second iron core 200 first end to second end side upward around rotor 1 center
Axis both clockwise rotation angle b not only can effectively reduce the stator slot ripples of 1 place motor of rotor, reduce the electricity
The vibration noise of machine improves the job stability and reliability of the motor, reduces the influence of Noise upon Environment, improve user's
Comfort, and the structural homogeneity of rotor 1 can be improved, convenient for making being more uniformly stressed for rotor 1, improve rotor 1
Structural reliability and stability, further increase the working performance of rotor 1.
Therefore, rotor 1 according to the ... of the embodiment of the present invention have many advantages, such as it is easy to use, have a wide range of application.
Below with reference to the accompanying drawings rotor 1 according to the specific embodiment of the invention is described.
In some specific embodiments of the present invention, as shown in figs 1 to 6, rotor 1 according to the ... of the embodiment of the present invention includes
First iron core 100, the second iron core 200 and cage winding 300.
Specifically, as shown in Figure 3 and Figure 5, the peripheral surface of the first iron core 100 is more equipped with being connected to the first rotor slot 120
A first skewed slot 130, when the first punching 110 is N1, the first skewed slot 130 is aN1 with the axial institute's acute angle angle of rotor 1,
The peripheral surface of second iron core 200 is equipped with multiple second skewed slots 230 being connected to the second rotor slot 220, and the second punching 210 is N2
When, the second skewed slot 230 is bN2 with the axial institute's acute angle angle of rotor 1.So not merely with the rotation angle of the first punching 110
Degree forms suitable first skewed slot 130 of angle, and suitable second skewed slot of angle is formed using the rotation angle of the second punching 210
230, it can make the first skewed slot 130 and the second skewed slot 230 that there is rational size, keep the structure of rotor 1 more reasonable, Er Qiejin
One step reduces the vibration noise of the motor convenient for reducing the stator slot ripples of 1 place motor of rotor.
More specifically, as shown in Fig. 2, the inclined direction of the first skewed slot 130 and the second skewed slot 230 is opposite.Pass through in this way
The opposite skewed slot of inclined direction is set, and rotor 1 can be made to generate after powered up, and both direction is opposite and symmetrical axial force, makes it
It can cancel out each other, convenient for reducing the additional torque of rotor 1, convenient for reducing the mechanical wear of rotor 1, convenient for improving the motor
Working performance, convenient for improving the efficiency of the motor, convenient for extending the service life of the motor.Meanwhile it can not only carry
The torsion of high rotor 1 in order to improve the working efficiency of rotor 1, and can reduce the electromagnetism HARMONIC FORCE of rotor 1, to drop
The noise that the low motor generates, improves the noise reduction capability of the motor, improves the comfort of user.
Optionally, as shown in Fig. 2, the first skewed slot 130 close to one end of the second iron core 200 and the second skewed slot 230 close to the
One end of one iron core 100 is staggered in the axial direction of rotor 1.Since motor is there may be manufacture deviation or electromagnetic design defect,
121 stagger setting of one skewed slot 111 and the second skewed slot, can reduce the influence of manufacture deviation or electromagnetic design defect to rotor 1, just
In the functional reliability for ensureing rotor 1, convenient for improving the working efficiency of rotor 1, further it is convenient for reducing what the motor generated
Noise.
Further, the first rotor slot 120 and the second rotor slot 220 are Z, close to the second punching of the first iron core 100
First punching 110 of 210 mutually closer second iron core 200 of piece rotates 180/Z degree around the central axis of rotor 1.For example, the first iron
The center of second rotor slot 220 of the first rotor slot 120 of core 100 and the second iron core 200 extends half of the rotor that is staggered along shaft end
The angle of slot.It can ensure the accurate and reliable of the first skewed slot 130 and 230 staggered positions of the second skewed slot in this way, turn convenient for reducing
The torque pulsation of son 1, reduces the stator slot ripples of the motor, reduces the vibration noise of motor, keeps the operation of the motor flat
Surely, it is convenient for improving the precision and functional reliability of the motor.
Specifically, in the axial plane of rotor 1, the sectional area of the first rotor slot 120 is more than the second rotor slot
220 sectional area.The detent torque that 1 place motor of rotor not only can be improved makes the motor have in low speed big
Torque, and can ensure the nominal torque basic one of the high speed nominal torque and motor in the related technology of 1 place motor of rotor
It causes, reduces torque pulsation of the motor in high speed, the startup of the motor or the torque performance of low speed can be taken into account in this way
With the torque performance of the high speed of the motor, rotor 1 can be applied in different occasions, increase the application range of rotor 1, carry
The functionality and applicability of high rotor 1.
Optionally, the minimum interval between two the second rotor slots 220 adjacent in each second punching 210 is more than or equal to
Minimum interval in each first punching 110 between two adjacent the first rotor slots 120.It may further ensure that and hanging down in this way
Directly in the axial plane of rotor 1, the sectional area of the first rotor slot 120 is more than the sectional area of the second rotor slot 220, further just
In the startup or the torque performance of low speed that take into account 1 place motor of rotor and the torque performance of high speed, the work of rotor 1 is further increased
Make performance.
Specifically, the number of the first rotor slot 120 in each first punching 110 is equal, in each second punching 210
The number of second rotor slot 220 is equal, and the in the number of the first rotor slot 120 in the first punching 110 and the second punching 210
The number of two rotor slots 220 is equal.It is convenient for the production and processing of the first punching 110 and the second punching 210 in this way, convenient for rotor 1
It is manufactured.
Specifically, as shown in Figure 4 and Figure 6, the first rotor slot 120 includes segmental arc 121,122 and of the first outer arc segments in first
Two the first linkage sections 123 being connected respectively with segmental arc in first 121 and the first outer arc segments 122, the second rotor slot 220 include the
Segmental arc 221, the second outer arc segments 222 and two are connected with segmental arc in second 221 and the second outer arc segments 222 respectively in two second connects
Section 223 is connect, segmental arc 121 is equal with the arc length of segmental arc in second 221 in first, and the arc length of the first outer arc segments 122 is more than outside second
The arc length of segmental arc 222.It may further ensure that the sectional area of the first rotor slot 120 is more than the section of the second rotor slot 220 in this way
Product, can not only make 1 place motor of rotor in low speed with larger torque, but also can reduce the motor in high speed
Torque pulsation, further increase the application range of rotor 1, improve the functional reliability of rotor 1.
More specifically, the arc length of the first outer arc segments 122 is twice or more of arc length of the second outer arc segments 222.In this way may be used
So that the section of the first rotor slot 120 and the second rotor slot 220 has rational average area, it is further ensured where rotor 1
Torque performance when motor high speed is further convenient for improving the application range of rotor 1, convenient for improving the use reliability of rotor 1
And stability.
Optionally, first in the first punching 110 in segmental arc 121 and the first outer arc segments 122 be arc section, adjacent two
First linkage section 123 of the first rotor slot 120 is mutually parallel, second in the second punching 210 in segmental arc 221 and the second outer arc segments
222 be arc section, and the second linkage section 223 of adjacent two the second rotor slots 220 is mutually parallel.
Specifically, the first iron core 100 is connected with the second iron core 200 in the axial direction of rotor 1, may be used integral molded plastic or
The method machine-shaping of welding.
The parameter of a specific embodiment according to the present invention, the first punching 110 about rotor 1 is as follows：
If the number of the first rotor slot 120 is Z1；
If the slot bottom distance center radius of the first rotor slot 120 is Rslot1；
If the groove top distance center radius of the first rotor slot 120 is Rslot2；
If the minimum range between two neighboring the first rotor slot 120 is twr；
If 1 cast aluminium resistivity of rotor is ρ；
If 100 thickness of the first iron core is Lef1；
Then：
The radius of segmental arc 121 in first：
The radius of first outer arc segments 122：
The center of segmental arc 121 and the first outer arc segments 122 is high in first：h2=Rslot2-Rslot1-R2-R1
120 sectional area of the first rotor slot：
The arc length of first outer arc segments 122：lR2=(1+2/Z1)·πR2
1 single conducting bar resistance of rotor：
The parameter of the second punching 210 about rotor 1 is as follows：
If the second rotor slot 220 number is Z2；
If the groove top distance center radius of the second rotor slot 220 is Rslot3；
If the minimum range between two neighboring second rotor slot 220 is twr2；
If 1 cast aluminium resistivity of rotor is ρ；
If 200 thickness of the second iron core is Lef2；
If 222 radius of the second outer arc segments is Rpa；
Then：
The center of segmental arc 221 and the second outer arc segments 222 is high in second：
The arc length of second outer arc segments 222：lR2_pa=π Rpa
Second rotor slot, 220 sectional area：Sslot_pa=π Rpa 2+2Rpa·h2pa
1 single conducting bar resistance of rotor：
It takes：Z1=Z2=22, Rslot2=Rslot3=22.5mm, Rslot1=13.2mm, twr=2.3mm, Lef1=
11.25mm Lef2=11.25mm.
Then：h2=6.6mm, lR2=6.16mm, Sslot=23.96mm2, h2_pa=7.3mm, lR2_pa=2.83mm, Sslot_pa
=15.61mm2,
220 sectional area average value of the first rotor slot 120 and the second rotor slot：Sslot_av=(Sslot+Sslot_pa)/2=
19.78mm2.First outer arc segments, 122 arc length is N times of 222 arc length of the second outer arc segments：N=lR2/lR2_pa=2.18.
The first rotor slot 120 and the second rotor slot 220 are 22, and the first rotor iron core 100 shares 23 first punchings
110 laminate composition, i.e. N1=23, extend from first first punching 110 to the 23rd first punching 110 along shaft end and rotate successively
0.5 ° so that first first punching 110 to the 23rd first punching 110 rotates 11 ° of predetermined angular around the axis of rotor 1.The
Two iron cores 200 share 22 second punchings 210 and laminate composition, i.e. N2=22, first second punching 210 and the 23rd first punching
Piece 110 extends 0.5 ° of rotation along shaft end, extends successively from first second punching 210 to the 22nd second punching 210 along shaft end
0.5 ° of rotation so that first second punching 210 to the 22nd first punching 210 rotates predetermined angular around the axis of rotor 1
10.5°。
The end face that first iron core 100 is axially connected with the second iron core 200, close to 210 phase of the second punching of the first iron core 100
First punching 110 of closer second iron core 200 rotates 8.18 degree around the central axis of rotor 1, i.e., close to the first iron core 100
First punching 110 of 210 mutually closer second iron core 200 of the second punching rotates 180/22 degree around the central axis of rotor 1.It is this
The double skewed slots mode of wrong half slot can effectively reduce the torque pulsation of rotor 1 and unilateral uneven pulling force.
First iron core 100 and 200 integral molded plastic of the second iron core or welding fabrication so that the first skewed slot 130 of rotor 1 and
22.5 ° of two skewed slots, 230 skew can be effective if selection stator slot is 16, as the sharping degree of one stator slot of the motor
Stator slot ripples is reduced, motor oscillating noise is reduced.
Optionally, cage winding 300 includes the first end ring 310, the second end ring 320, third end ring 330, multiple first companies
Section and multiple second linkage sections are connect, the first iron core 100 is clamped between the first end ring 310 and the second end ring 320, the first end ring
310 and second end ring 320 be electrically connected by multiple first linkage sections, multiple first linkage sections are respectively with multiple the
One rotor slot 120 coordinates, and the second iron core 200 is clamped between the second end ring 320 and third end ring 330, the second end ring 320 and the
Three end ring 330 are electrically connected by multiple second linkage sections, multiple second linkage sections respectively with multiple second rotors
Slot 220 coordinates.Specifically, 300 integrated injection molding of cage winding.It is not only convenient for the preparation of cage winding 300 in this way, is convenient for
The structural strength for improving cage winding 300, keeps the structure of cage winding 300 more solid and reliable, and may be implemented cage around
The electrical connection of group 300, convenient for ensureing that rotor 1 can swimmingly work.
More specifically, the axial length of rotor 1 is the first iron core 100, the second iron core 200, the first end ring 310, second
The sum of the thickness of end ring 320 and third end ring 330 in the axial direction of rotor 1.
Specifically, rotor 1 is the rotary part of internal rotor induction machine or the rotary part of outer rotor induction machine.In this way
Convenient for expanding the application scenario of internal rotor induction machine or outer rotor induction machine, internal rotor induction machine or outer rotor sense are improved
Answer the performance of motor.
Motor according to the ... of the embodiment of the present invention is described below.Motor according to the ... of the embodiment of the present invention includes according in the present invention
State the rotor 1 of embodiment.
Specifically, the slip of the motor is 0.067-0.267.The working efficiency that the motor can be improved in this way, carries
The working performance of the high motor.
Motor according to the ... of the embodiment of the present invention has user by using rotor 1 according to the above embodiment of the present invention
Just the advantages that, having a wide range of application.
Other of motor according to the ... of the embodiment of the present invention are constituted and are operated for those of ordinary skills all
It is known, is not detailed herein.
In the description of the present invention, it is to be understood that, term "center", " longitudinal direction ", " transverse direction ", " length ", " width ",
" thickness ", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom" "inner", "outside", " up time
The orientation or positional relationship of the instructions such as needle ", " counterclockwise ", " axial direction ", " radial direction ", " circumferential direction " be orientation based on ... shown in the drawings or
Position relationship is merely for convenience of description of the present invention and simplification of the description, and does not indicate or imply the indicated device or element must
There must be specific orientation, with specific azimuth configuration and operation, therefore be not considered as limiting the invention.In addition, limit
There is the feature of " first ", " second " to can explicitly or implicitly include one or more this feature surely.The present invention's
In description, unless otherwise indicated, the meaning of " plurality " is two or more.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can
Can also be electrical connection to be mechanical connection；It can be directly connected, can also indirectly connected through an intermediary, Ke Yishi
Connection inside two elements.For the ordinary skill in the art, above-mentioned term can be understood at this with concrete condition
Concrete meaning in invention.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " illustrative examples ",
The description of " example ", " specific example " or " some examples " etc. means specific features described in conjunction with this embodiment or example, knot
Structure, material or feature are included at least one embodiment or example of the invention.In the present specification, to above-mentioned term
Schematic representation may not refer to the same embodiment or example.Moreover, specific features, structure, material or the spy of description
Point can be combined in any suitable manner in any one or more of the embodiments or examples.
Although an embodiment of the present invention has been shown and described, it will be understood by those skilled in the art that：Not
In the case of being detached from the principle of the present invention and objective a variety of change, modification, replacement and modification can be carried out to these embodiments, this
The range of invention is limited by claim and its equivalent.
Claims (13)
1. a kind of rotor, which is characterized in that including：
There is the first end and second end in axial direction, first iron core to be rushed by multiple first for first iron core, first iron core
Piece is stacked to be formed, and first punching is equipped with multiple the first rotor slots, close to institute in every two adjacent first punchings
State the second end of the first iron core first punching compare another described first punching first iron core first end
To the side of second end angle a is rotated clockwise upward around the central axis of the rotor；
Second iron core, second iron core are connected with first iron core and along the axial alignment of the rotor, second iron
There is core the first end and second end in axial direction, second iron core to be formed by multiple second punchings are stacked, second punching
Multiple second rotor slots are equipped with, close to the described of the second end of second iron core in every two adjacent second punchings
Second punching compare another described second punching second iron core first end to second end side upward around described
The central axis of rotor rotates clockwise angle b, the section of the cross sectional shape of the first rotor slot and second rotor slot
Shape is different；
Cage winding, the cage winding are matched with first iron core and second iron core respectively.
2. rotor according to claim 1, which is characterized in that the peripheral surface of first iron core is equipped with and described first turn
Multiple first skewed slots of pilot trench connection, when first punching is N1, first skewed slot is in the rotor axial
Sharp angle is aN1, and the peripheral surface of second iron core is equipped with multiple second skewed slots being connected to second rotor slot, described
When second punching is N2, second skewed slot is bN2 with rotor axial institute acute angle angle.
3. rotor according to claim 2, which is characterized in that the inclined direction of first skewed slot and second skewed slot
On the contrary.
4. rotor according to claim 2, which is characterized in that first skewed slot close to one end of second iron core with
Second skewed slot is staggered close to one end of first iron core in the axial direction of the rotor.
5. rotor according to claim 4, which is characterized in that the first rotor slot and second rotor slot are Z
It is a, close to first iron core mutually closer second iron core of the second punching the first punching around the rotor central shaft
Line rotates 180/Z degree.
6. rotor according to claim 1, which is characterized in that in the plane perpendicular to the rotor axial, described
The sectional area of one rotor slot is more than the sectional area of second rotor slot.
7. rotor according to claim 1, which is characterized in that adjacent two described second in each second punching
Minimum interval between rotor slot is more than or equal between two the first rotor slots adjacent in each first punching
Minimum interval.
8. rotor according to claim 1, which is characterized in that the first rotor slot includes segmental arc in first, outside first
Segmental arc and two the first linkage sections being connected respectively with segmental arc in described first and first outer arc segments, second rotor slot
Including segmental arc, the second outer arc segments and two second to be connected respectively with segmental arc in described second and second outer arc segments in second
Linkage section, segmental arc is equal with the arc length of segmental arc in described second in described first, and the arc length of first outer arc segments is more than described
The arc length of second outer arc segments.
9. rotor according to claim 8, which is characterized in that the arc length of first outer arc segments is second outer arc segments
Twice or more of arc length.
10. rotor according to claim 1, which is characterized in that the cage winding include the first end ring, the second end ring,
Third end ring, multiple first linkage sections and multiple second linkage sections, first iron core are clamped in first end ring and described
Between second end ring, first end ring and second end ring are electrically connected by multiple first linkage sections, Duo Gesuo
It states the first linkage section respectively to coordinate with multiple the first rotor slots, second iron core is clamped in second end ring and described
Between third end ring, second end ring and the third end ring are electrically connected by multiple second linkage sections, Duo Gesuo
The second linkage section is stated respectively to coordinate with multiple second rotor slots.
11. rotor according to claim 1, which is characterized in that the rotor is the rotary part of internal rotor induction machine
Or the rotary part of outer rotor induction machine.
12. a kind of motor, which is characterized in that include the rotor according to any one of claim 1-11.
13. motor according to claim 12, which is characterized in that the slip of the motor is 0.067-0.267.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810530249.1A CN108599497A (en) | 2018-05-29 | 2018-05-29 | Rotor and motor with it |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810530249.1A CN108599497A (en) | 2018-05-29 | 2018-05-29 | Rotor and motor with it |
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| Publication Number | Publication Date |
|---|---|
| CN108599497A true CN108599497A (en) | 2018-09-28 |
Family
ID=63630045
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810530249.1A Pending CN108599497A (en) | 2018-05-29 | 2018-05-29 | Rotor and motor with it |
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| Country | Link |
|---|---|
| CN (1) | CN108599497A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113394891A (en) * | 2021-08-02 | 2021-09-14 | 合肥工业大学智能制造技术研究院 | Double-radial chute cage type induction motor rotor structure |
| CN113544940A (en) * | 2019-03-06 | 2021-10-22 | 西门子股份公司 | Laminated core for an electric machine |
| CN114243967A (en) * | 2021-12-21 | 2022-03-25 | 珠海格力电器股份有限公司 | Rotor core, rotor subassembly and have its motor |
| WO2023045264A1 (en) * | 2021-09-27 | 2023-03-30 | 佛山市威灵洗涤电机制造有限公司 | Rotor structure, electric motor structure, and electronic device |
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| JPH07163108A (en) * | 1993-12-08 | 1995-06-23 | Hitachi Ltd | Induction motor |
| JPH08298735A (en) * | 1995-04-25 | 1996-11-12 | Fuji Electric Co Ltd | Cylindrical-permanent-magnet synchronous motor |
| CN1808861A (en) * | 2005-01-21 | 2006-07-26 | 株式会社日立制作所 | Rotating electric machine |
| CN101964557A (en) * | 2010-11-11 | 2011-02-02 | 无锡市中达电机有限公司 | Rotor sheets of four-pole motor |
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| JPH03285543A (en) * | 1990-03-30 | 1991-12-16 | Toshiba Corp | Squirrel-cage rotor |
| JPH07163108A (en) * | 1993-12-08 | 1995-06-23 | Hitachi Ltd | Induction motor |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113544940A (en) * | 2019-03-06 | 2021-10-22 | 西门子股份公司 | Laminated core for an electric machine |
| CN113544940B (en) * | 2019-03-06 | 2024-03-15 | 西门子股份公司 | Laminated core for an electric machine |
| CN113394891A (en) * | 2021-08-02 | 2021-09-14 | 合肥工业大学智能制造技术研究院 | Double-radial chute cage type induction motor rotor structure |
| WO2023045264A1 (en) * | 2021-09-27 | 2023-03-30 | 佛山市威灵洗涤电机制造有限公司 | Rotor structure, electric motor structure, and electronic device |
| CN114243967A (en) * | 2021-12-21 | 2022-03-25 | 珠海格力电器股份有限公司 | Rotor core, rotor subassembly and have its motor |
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