CN107017750A - Motor - Google Patents
Motor Download PDFInfo
- Publication number
- CN107017750A CN107017750A CN201710320645.7A CN201710320645A CN107017750A CN 107017750 A CN107017750 A CN 107017750A CN 201710320645 A CN201710320645 A CN 201710320645A CN 107017750 A CN107017750 A CN 107017750A
- Authority
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- China
- Prior art keywords
- magnet steel
- stator
- rotor
- rotor core
- core
- 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.)
- Granted
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- 229910000831 Steel Inorganic materials 0.000 claims abstract description 176
- 239000010959 steel Substances 0.000 claims abstract description 175
- 238000004804 winding Methods 0.000 claims abstract description 7
- 230000002787 reinforcement Effects 0.000 claims description 9
- 238000004080 punching Methods 0.000 claims description 7
- 238000004519 manufacturing process Methods 0.000 abstract description 10
- 230000000694 effects Effects 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 238000010276 construction Methods 0.000 description 4
- 238000009826 distribution Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 238000009434 installation Methods 0.000 description 4
- 230000010349 pulsation Effects 0.000 description 4
- 230000004907 flux Effects 0.000 description 3
- 230000005389 magnetism Effects 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000003475 lamination Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K21/00—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets
- H02K21/12—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets with stationary armatures and rotating magnets
- H02K21/14—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets with stationary armatures and rotating magnets with magnets rotating within the armatures
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K1/00—Details of the magnetic circuit
- H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
- H02K1/22—Rotating parts of the magnetic circuit
- H02K1/27—Rotor cores with permanent magnets
- H02K1/2706—Inner rotors
- H02K1/272—Inner rotors the magnetisation axis of the magnets being perpendicular to the rotor axis
- H02K1/274—Inner rotors the magnetisation axis of the magnets being perpendicular to the rotor axis the rotor consisting of two or more circumferentially positioned magnets
- H02K1/2753—Inner rotors the magnetisation axis of the magnets being perpendicular to the rotor axis the rotor consisting of two or more circumferentially positioned magnets the rotor consisting of magnets or groups of magnets arranged with alternating polarity
- H02K1/276—Magnets embedded in the magnetic core, e.g. interior permanent magnets [IPM]
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K1/00—Details of the magnetic circuit
- H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
- H02K1/12—Stationary parts of the magnetic circuit
- H02K1/16—Stator cores with slots for windings
- H02K1/165—Shape, form or location of the slots
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K2201/00—Specific aspects not provided for in the other groups of this subclass relating to the magnetic circuits
- H02K2201/03—Machines characterised by aspects of the air-gap between rotor and stator
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K3/00—Details of windings
- H02K3/04—Windings characterised by the conductor shape, form or construction, e.g. with bar conductors
- H02K3/28—Layout of windings or of connections between windings
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Iron Core Of Rotating Electric Machines (AREA)
- Permanent Field Magnets Of Synchronous Machinery (AREA)
Abstract
The invention provides a kind of motor, motor includes：Stator slot is provided with stator structure, including stator core and stator cavity, stator core, stator slot is obliquely installed along the axis direction of stator core, the winding of stator structure is arranged on stator core using star connection；Rotor structure, is arranged in stator cavity, and three magnet steel are provided with each magnetic pole of rotor structure.Apply the technical scheme of the present invention, the problem of production to solve motor of the prior art assembles complicated.
Description
Technical field
The present invention relates to technical field of motors, in particular to a kind of motor.
Background technology
In interior permanent magnet machines, motor gas-gap magnetic flux density waveformses can reduce the same of harmonic component close to Sine distribution
When reduction magnet steel eddy-current loss and torque pulsation.In the prior art, in order that obtaining motor gas-gap magnetic flux density waveformses close to sinusoidal point
Cloth, can by the way that whole section of magnet steel of each pole of rotor to be divided into the same polarity magnet steel of multiple different in width as much as possible,
It is provided between each section of magnet steel every magnetic reinforcement, it is close to approach sine wave magnetic with odd number section staircase waveform from Analysis of Electromagnetic Properties, using each
Section staircase waveform area equation method is to modulate each section of magnet steel width to realize motor gas-gap magnetic flux density waveformses close to the mesh of Sine distribution
's.In this way, when the segments of magnet steel is excessive, complex rotor structure is easily caused, band is assembled in the production to motor
Carry out larger difficulty.
The content of the invention
The present invention provides a kind of motor, the problem of production to solve motor of the prior art assembles complicated.
The invention provides a kind of motor, motor includes：Stator structure, including stator core and stator cavity, stator iron
Stator slot is provided with core, stator slot is obliquely installed along the axis direction of stator core, and the winding of stator structure is connect using star
Method is arranged on stator core；Rotor structure, is arranged in stator cavity, and three are provided with each magnetic pole of rotor structure
Magnet steel.
Further, rotor structure includes rotor core, the curved arrangement on rotor core of three magnet steel, and arc opens
Mouthful towards the center of rotor core.
Further, rotor core has multiple sector regions, multiple sector regions and multiple magnetic poles on radial section
Correspond and set, three magnet steel are respectively the first magnet steel, the second magnet steel and the 3rd magnet steel, wherein, the first magnet steel is in rotor iron
Core radial section is centrally located on the center line of each extremely corresponding sector region, and the second magnet steel and the 3rd magnet steel are along center line pair
Claim to set.
Further, in rotor core on radial section, the center of circle of rotor core is not located at the second magnet steel along length
On the center line in direction and on the 3rd magnet steel center line along its length.
Further, length of second magnet steel with the 3rd magnet steel on radial section is identical, and respectively less than the first magnet steel exists
Length on radial section.
Further, multiple magnet steel mounting holes for mounting magnetic steel, magnet steel mounting hole and magnetic are provided with rotor core
Steel, which is corresponded, to be set.
Further, rotor core also includes slot wedge, and slot wedge is arranged in magnet steel mounting hole to fix magnet steel.
Further, the side and/or the side of the first magnet steel close to the first magnet steel of the second magnet steel and/or the 3rd magnet steel
For arc structure.
Further, the second magnet steel and the 3rd magnet steel are set with the first magnet steel in angle.
Further, rotor core also includes：Every magnetic bridge, the periphery of rotor core is arranged on；Reinforcement, is arranged on adjacent
Between two magnet steel mounting holes.
Further, rotor structure includes being provided with positioning hole on multiple rotor punchings, multiple rotor punchings.
Apply the technical scheme of the present invention, be zigzag flat-topped wave, motor opposite potential in the air gap magnetic density waveform of motor
When waveform is flat-topped wave, by the way that stator slot is obliquely installed along the axis direction of stator core, the winding of stator structure uses star
Shape connection is arranged on stator core, and three magnet steel are respectively provided with each magnetic pole of rotor structure, can be by the anti-electricity of motor lines
Gesture modulated sinusoid.Such a mode of the present invention can reduce the magnet steel number on each magnetic pole of rotor structure, so as to reduce
Magnetic leakage, is conducive to the assembling and production of motor, improves the production efficiency of motor, on this basis, by by the anti-electricity of motor lines
Gesture is modulated to sine wave, so as to be conducive to reducing harmonic component and reduce eddy-current loss and the torque pulsation of magnet steel.
Brief description of the drawings
The Figure of description for constituting the part of the application is used for providing a further understanding of the present invention, and of the invention shows
Meaning property embodiment and its illustrate be used for explain the present invention, do not constitute inappropriate limitation of the present invention.In the accompanying drawings：
Fig. 1 shows structural representation during the non-mounting magnetic steel of the rotor structure provided according to embodiments of the present invention；
Fig. 2 shows the structural representation during rotor structure mounting magnetic steel provided according to embodiments of the present invention；
Fig. 3 shows the structural representation of the air gap magnetic density waveform provided according to embodiments of the present invention；
Fig. 4 shows the structural representation of the motor opposite potential provided according to embodiments of the present invention；
Fig. 5 shows the structural representation of the motor lines back-emf provided according to embodiments of the present invention.
Wherein, above-mentioned accompanying drawing is marked including the following drawings：
10th, rotor core；11st, magnet steel；111st, the first magnet steel；112nd, the second magnet steel；113rd, the 3rd magnet steel；12nd, magnet steel is pacified
Fill hole；121st, the first magnet steel mounting hole；122nd, the second magnet steel mounting hole；123rd, the 3rd magnet steel mounting hole；13rd, slot wedge；14th, every magnetic
Bridge；15th, reinforcement；16th, positioning hole.
Embodiment
It should be noted that in the case where not conflicting, the feature in embodiment and embodiment in the application can phase
Mutually combination.Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Ground is described, it is clear that described embodiment is only a part of embodiment of the invention, rather than whole embodiments.It is right below
The description only actually of at least one exemplary embodiment is illustrative, is never used as to the present invention and its application or uses
Any limitation.Based on the embodiment in the present invention, those of ordinary skill in the art are not under the premise of creative work is made
The every other embodiment obtained, belongs to the scope of protection of the invention.
It should be noted that term used herein above is merely to describe embodiment, and be not intended to restricted root
According to the illustrative embodiments of the application.As used herein, unless the context clearly indicates otherwise, otherwise singulative
It is also intended to include plural form, additionally, it should be understood that, when in this manual using term "comprising" and/or " bag
Include " when, it indicates existing characteristics, step, operation, device, component and/or combinations thereof.
Unless specifically stated otherwise, the part and positioned opposite, the digital table of step otherwise illustrated in these embodiments
Do not limited the scope of the invention up to formula and numerical value.Simultaneously, it should be appreciated that for the ease of description, each portion shown in accompanying drawing
The size divided not is to be drawn according to actual proportionate relationship.For technology, side known to person of ordinary skill in the relevant
Method and equipment may be not discussed in detail, but in the appropriate case, the technology, method and apparatus should be considered as authorizing explanation
A part for book.In shown here and discussion all examples, any occurrence should be construed as merely exemplary, and
Not by way of limitation.Therefore, the other examples of exemplary embodiment can have different values.It should be noted that：Similar label
Similar terms is represented in following accompanying drawing with letter, therefore, once it is defined in a certain Xiang Yi accompanying drawing, then subsequent attached
It need not be further discussed in figure.
In the description of the invention, it is to be understood that the noun of locality such as " forward and backward, upper and lower, left and right ", " laterally, vertical,
Vertically, orientation or position relationship indicated by level " and " top, bottom " etc. are normally based on orientation shown in the drawings or position and closed
System, is for only for ease of the description present invention and simplifies description, in the case where not making opposite explanation, these nouns of locality are not indicated that
There must be specific orientation or with specific azimuth configuration and operation with the device or element for implying meaning, therefore can not manage
Solve as limiting the scope of the invention；The noun of locality " inside and outside " refers to relative to inside and outside each part profile in itself.
For the ease of description, space relative terms can be used herein, such as " ... on ", " ... top ",
" ... upper surface ", " above " etc., for describing such as a device shown in the figure or feature and other devices or spy
The spatial relation levied.It should be appreciated that space relative terms are intended to comprising the orientation except device described in figure
Outside different azimuth in use or operation.If for example, the device in accompanying drawing is squeezed, be described as " in other devices
It will be positioned as " under other devices or construction after the device of part or construction top " or " on other devices or construction "
Side " or " under other devices or construction ".Thus, exemplary term " ... top " can include " ... top " and
" in ... lower section " two kinds of orientation.The device can also other different modes positioning (being rotated by 90 ° or in other orientation), and
And respective explanations are made to the relative description in space used herein above.
Furthermore, it is necessary to which explanation, limits parts, it is only for be easy to using the word such as " first ", " second "
Corresponding parts are distinguished, such as without Stated otherwise, above-mentioned word does not have particular meaning, therefore it is not intended that to this
The limitation of invention protection domain.
A kind of motor is provided according to a particular embodiment of the invention, and the motor includes stator structure and rotor structure, fixed
Minor structure includes being provided with stator slot, axis side of the stator slot along stator core on stator core and stator cavity, stator core
To being obliquely installed, the winding of stator structure is arranged on stator core using star connection, and rotor structure is arranged on stator cavity
It is interior, three magnet steel are provided with each magnetic pole of rotor structure.
It is zigzag flat-topped wave A as shown in Figure 3, motor in the air gap magnetic density waveform of motor using such a configuration mode
When opposite potential waveform is flat-topped wave B as shown in Figure 4, by the way that stator slot is obliquely installed along the axis direction of stator core,
The winding of stator structure is arranged on stator core using star connection, and three magnetic are respectively provided with each magnetic pole of rotor structure
The back-emf of motor lines, can be modulated to sine wave as shown in Figure 5 by steel.Such a mode of the present invention can reduce rotor knot
Magnet steel number on each magnetic pole of structure, so as to reduce magnetic leakage, is conducive to the assembling and production of motor, improves the production effect of motor
Rate, on this basis, by the way that the back-emf of motor lines is modulated into sine wave, so as to be conducive to reducing harmonic component and reduce magnetic
The eddy-current loss of steel and torque pulsation.
Further, in the present invention, rotor structure includes rotor core 10, and three magnet steel 11 are on rotor core 10
Arc is arranged, and arc opening is towards the center of rotor core 10.Specifically, as the specific embodiment of the present invention, magnetic
The structure of steel 11 is in rectangular parallelepiped structure, and the magnetizing direction of magnet steel 11 is perpendicular to the surface of magnet steel 11.Figures 1 and 2 show that rotor
Structure is the structural representation of quadrupole, and as the other embodiment of the present invention, rotor structure of the invention is applied equally to six
Level or the motors such as eight grades.
In the present invention, can be by rotor core 10 in footpath in order that the distribution for obtaining the magnetic field in rotor structure is more uniform
It is configured on to section with multiple sector regions, multiple sector regions are corresponded with multiple magnetic poles and set, three magnet steel point
Not Wei the first magnet steel 111, the second magnet steel 112 and the 3rd magnet steel 113, wherein, the first magnet steel 111 is in the radial section of rotor core 10
On the center line for being centrally located at each extremely corresponding sector region, the second magnet steel 112 is symmetrically set with the 3rd magnet steel 113 along center line
Put.
Using such a configuration mode, the second magnet steel 112 is symmetrical arranged with the 3rd magnet steel 113 along center line, and the structure is favourable
Magnet correspondence in each pair pole of rotor structure, so that the Distribution of Magnetic Field in whole rotor structure is more uniform.
Further, in the present invention, in order to improve the mechanical strength of rotor structure, in rotor core 10 in radial section
On, the center of circle of rotor core 10 is not located at on the center line of second magnet steel 112 along its length and the 3rd magnet steel 113
On center line along its length.
In the present invention, can be by the second magnet steel 112 and the 3rd magnetic in order to further ensure the structural strength of rotor structure
Length of the steel 113 on radial section is set to identical, and length of respectively less than the first magnet steel 111 on radial section.Wherein,
In the present invention, when the lenth ratio of the second magnet steel 112 or the 3rd magnet steel 113 and the first magnet steel 111 is 2:When 3, such a setting
Rotor structure intensity under mode reaches maximum.Further, in the present invention, the first magnet steel 111, the second magnet steel 112 and
The thickness of axial direction of three magnet steel 113 along rotor core 10 is equal.
Further, in the present invention, can be by rotor core in order to realize installation of multiple magnet steel 11 on rotor structure
It is set on 10 with multiple magnet steel mounting holes 12 for mounting magnetic steel 11, magnet steel mounting hole 12 is corresponded with magnet steel 11 and set
Put.Specifically, as depicted in figs. 1 and 2, multiple magnet steel mounting holes 12 are respectively the first magnet steel mounting hole 121, the installation of the second magnet steel
The magnet steel mounting hole 123 of hole 122 and the 3rd, when carrying out the installation operation of multiple magnet steel 11, the first magnet steel 111, which is set, is arranged on the
In one magnet steel mounting hole 121, the second magnet steel 112, which is set, to be arranged in the second magnet steel mounting hole 122, and the 3rd magnet steel 113 sets peace
In the 3rd magnet steel mounting hole 123.
In the present invention, rotor core 10, can be configured to also include slot wedge 13, groove by fixation for convenience to magnet steel 11
Wedge 13 is arranged in magnet steel mounting hole 12 to fix magnet steel 11.Specifically, as the specific embodiment of the present invention, rotor knot
The quantity of the slot wedge 13 of each pole of structure is two, after the second magnet steel 112 is arranged in the second magnet steel mounting hole 122, by it
In a slot wedge 13 squeeze into the remaining space of the second magnet steel mounting hole 122, so that the second magnet steel 112 to be fixed.By
After three magnet steel 113 are arranged in the 3rd magnet steel mounting hole 123, another slot wedge 13 is squeezed into the 3rd magnet steel mounting hole 123
In remaining space, so that the 3rd magnet steel 113 to be fixed.Further, in the present invention, by magnet steel 11 and magnet steel mounting hole
It after 12 assemblings are completed, magnet steel glue can be used to fill the gap of magnet steel mounting groove, magnet steel 11 be fixedly secured and installed in magnet steel
In hole 12.
Specifically, as the specific embodiment of the present invention, when carrying out the installation operation of magnet steel 11, due to each magnetic
The size of steel 11 is relatively small, when magnet steel 11 is attached into magnet steel mounting hole 12, according to magnet steel 11 in each N, S pole of motor
Under prescribed direction, it is possible to use magnet steel 11 is pushed into magnet steel mounting hole 12 by the guided tooling that non-magnet material is made.Using
Such a mode carries out the installation process good manufacturability of magnet steel 11, and production efficiency is high.
Further, in order to improve the structural strength of rotor structure, as shown in Fig. 2 can be by the second magnet steel 112 and/or
The side close to the side of the first magnet steel 111 and/or the first magnet steel 111 of three magnet steel 113 is set to arc structure.
In the present invention, as depicted in figs. 1 and 2, the second magnet steel 112 and the 3rd magnet steel 113 are in folder with the first magnet steel 111
Angle is set.In the present invention, the angle between the second magnet steel 112 or the 3rd magnet steel 113 and the first magnet steel 111 could be arranged to
150 ° to 165 °, wherein, the angle angular dimension is determined can be comprehensive by the structural strength of motor lines back-emf and rotor structure
Close and determine.Specifically, when the angle angular dimension between the second magnet steel 112 or the 3rd magnet steel 113 and the first magnet steel 111 increases
When, the peak value of motor lines back-emf can increase, and the structural strength of rotor structure can be reduced.Conversely, when the second magnet steel 112 or the
When angle angular dimension between three magnet steel 113 and the first magnet steel 111 reduces, the peak value of motor lines back-emf can be reduced, and be turned
The structural strength of minor structure can increase.
Further, in the present invention, in order to further improve rotor structure structural strength and improve rotor knot
Rotor core 10, can be configured to also include every magnetic bridge 14 and reinforcement 15 by the magnetism isolating effect of structure, wherein, it is arranged on every magnetic bridge 14
The periphery of rotor core 10, reinforcement 15 is arranged between two neighboring magnet steel mounting hole 12.By every magnetic bridge 14 and reinforcement
15 effect, centrifugal force when can bear 11 high-speed motion of rotor core 10 and magnet steel is while magnetism isolating effect can be played.
In the present invention, in order to ensure the accuracy of rotor structure position in lamination process, rotor structure can be configured
It is to include multiple rotor punchings, positioning hole 16 is provided with multiple rotor punchings.By the effect of positioning hole 16, it ensure that many
Individual rotor punching laminates position unification, so as to improve the precision of rotor structure and facilitate follow-up magnet steel 11 and magnet steel mounting hole 12
Between assembling.
In summary, motor of the invention in terms of existing technologies, with following advantage.
First, it is zigzag flat-topped wave A in the air gap magnetic density waveform of motor, when motor opposite potential waveform is flat-topped wave B,
By the way that stator slot is obliquely installed along the axis direction of stator core, the winding of stator structure is arranged on stator using star connection
On iron core, three magnet steel are respectively provided with each magnetic pole of rotor structure, the back-emf of motor lines sine wave can be modulated to.This
Such a mode of invention can reduce the magnet steel number on each magnetic pole of rotor structure, so as to reduce magnetic leakage, be conducive to motor
Assembling and production, improve the production efficiency of motor, on this basis, by the way that the back-emf of motor lines is modulated into sine wave, from
And be conducive to reducing harmonic component and lower eddy-current loss and the torque pulsation of magnet steel.
Second, by by the side and/or the side of the first magnet steel close to the first magnet steel of the second magnet steel and/or the 3rd magnet steel
While arc structure is set to, so as to improve the structural strength of rotor structure.
3rd, in rotor core on radial section, by by the first magnet steel rotor core radial section centre bit
In on the center line of each extremely corresponding sector region, in rotor core 10 on radial section, the center of circle of rotor core 10 is not
On the center line of second magnet steel 112 along its length and on the 3rd magnet steel 113 center line along its length, from
And the structural strength of rotor structure can be improved.
4th, by the way that magnet steel subsection setup can be reduced into stress of the rotor structure at magnetic bridge and adjacent every magnetic bridge
The deformation of middle position, maximum stress point by being distributed to every magnetic bridge on multiple bearing capacitys very strong reinforcement, so as to
Improve the mechanical strength of rotor structure.Furthermore, the width of each reinforcement is determined by the maximum speed of motor, so as to pole
The earth improves the maximum speed of rotor safe operation.
The preferred embodiments of the present invention are the foregoing is only, are not intended to limit the invention, for the skill of this area
For art personnel, the present invention can have various modifications and variations.Within the spirit and principles of the invention, that is made any repaiies
Change, equivalent substitution, improvement etc., should be included in the scope of the protection.
Claims (11)
1. a kind of motor, it is characterised in that the motor includes：
Stator slot is provided with stator structure, including stator core and stator cavity, the stator core, the stator slot edge is fixed
The axis direction of sub- iron core is obliquely installed, and the winding of the stator structure is arranged on the stator core using star connection；
Rotor structure, is arranged in the stator cavity, and three magnet steel are provided with each magnetic pole of the rotor structure.
2. motor according to claim 1, it is characterised in that the rotor structure includes rotor core (10), three institutes
State magnet steel (11) curved arrangement on the rotor core (10), and arc opening is towards in the rotor core (10)
The heart.
3. motor according to claim 2, it is characterised in that the rotor core (10) has multiple on radial section
Sector region, multiple sector regions are corresponded with multiple magnetic poles and set, and three magnet steel are respectively the first magnetic
Steel (111), the second magnet steel (112) and the 3rd magnet steel (113), wherein, first magnet steel (111) is in the rotor core (10)
Radial section is centrally located on the center line of each extremely corresponding sector region, second magnet steel (112) and described the
Three magnet steel (113) are symmetrical arranged along the center line.
4. motor according to claim 3, it is characterised in that described in the rotor core (10) on radial section
The center of circle of rotor core (10) is not located at on the center line of second magnet steel (112) along its length and the 3rd magnetic
On the center line of steel (113) along its length.
5. motor according to claim 3, it is characterised in that second magnet steel (112) and the 3rd magnet steel (113)
Length on radial section is identical, and length of respectively less than described first magnet steel (111) on radial section.
6. motor according to claim 4, it is characterised in that be provided with the rotor core (10) described for installing
Multiple magnet steel mounting holes (12) of magnet steel (11), the magnet steel mounting hole (12) corresponds with the magnet steel (11) and set.
7. motor according to claim 6, it is characterised in that the rotor core (10) also includes slot wedge (13), described
Slot wedge (13) is arranged in the magnet steel mounting hole (12) with the fixed magnet steel (11).
8. motor according to claim 3, it is characterised in that second magnet steel (112) and/or the 3rd magnet steel
(113) side of close first magnet steel (111) and/or the side of first magnet steel (111) are arc structure.
9. motor according to claim 3, it is characterised in that second magnet steel (112) and the 3rd magnet steel (113)
Set with first magnet steel (111) in angle.
10. motor according to claim 6, it is characterised in that the rotor core (10) also includes：
Every magnetic bridge (14), the periphery of the rotor core (10) is arranged on；
Reinforcement (15), is arranged between the two neighboring magnet steel mounting hole (12).
11. motor according to claim 1, it is characterised in that the rotor structure includes multiple rotor punchings, Duo Gesuo
State and positioning hole (16) is provided with rotor punching.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710320645.7A CN107017750B (en) | 2017-05-08 | 2017-05-08 | Motor with a motor housing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710320645.7A CN107017750B (en) | 2017-05-08 | 2017-05-08 | Motor with a motor housing |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107017750A true CN107017750A (en) | 2017-08-04 |
| CN107017750B CN107017750B (en) | 2024-04-05 |
Family
ID=59449455
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710320645.7A Active CN107017750B (en) | 2017-05-08 | 2017-05-08 | Motor with a motor housing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107017750B (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107546892A (en) * | 2017-08-23 | 2018-01-05 | 珠海格力节能环保制冷技术研究中心有限公司 | Rotor core and there is its motor |
| CN108880054A (en) * | 2018-07-16 | 2018-11-23 | 珠海格力电器股份有限公司 | Speed permanent magnet synchronous motor rotor and its assembly method, motor |
| CN109149820A (en) * | 2018-11-07 | 2019-01-04 | 珠海格力电器股份有限公司 | Magneto and rotor |
| CN110635641A (en) * | 2019-09-24 | 2019-12-31 | 哈尔滨工业大学 | Axial magnetic field reverse salient pole permanent magnet synchronous motor |
| CN112994393A (en) * | 2019-12-16 | 2021-06-18 | 大银微***股份有限公司 | Permanent-magnet spindle motor |
| WO2023285455A1 (en) * | 2021-07-14 | 2023-01-19 | Zf Friedrichshafen Ag | Rotor lamination, rotor having a plurality of rotor laminations and method for producing a rotor |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101789663A (en) * | 2010-01-08 | 2010-07-28 | 李嘉琛 | Vehicle permanent magnetic synchronous motor and stator iron core capable of weakening magnetic resistance moment |
| CN102420481A (en) * | 2011-12-19 | 2012-04-18 | 南车株洲电机有限公司 | Permanent magnet synchronous motor and cambered rotor structure thereof |
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| CN108880054A (en) * | 2018-07-16 | 2018-11-23 | 珠海格力电器股份有限公司 | Speed permanent magnet synchronous motor rotor and its assembly method, motor |
| CN109149820A (en) * | 2018-11-07 | 2019-01-04 | 珠海格力电器股份有限公司 | Magneto and rotor |
| CN110635641A (en) * | 2019-09-24 | 2019-12-31 | 哈尔滨工业大学 | Axial magnetic field reverse salient pole permanent magnet synchronous motor |
| CN110635641B (en) * | 2019-09-24 | 2020-10-27 | 哈尔滨工业大学 | Axial magnetic field reverse salient pole permanent magnet synchronous motor |
| CN112994393A (en) * | 2019-12-16 | 2021-06-18 | 大银微***股份有限公司 | Permanent-magnet spindle motor |
| WO2023285455A1 (en) * | 2021-07-14 | 2023-01-19 | Zf Friedrichshafen Ag | Rotor lamination, rotor having a plurality of rotor laminations and method for producing a rotor |
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