CN110380533A - A kind of motor and the equipment including the motor - Google Patents
A kind of motor and the equipment including the motor Download PDFInfo
- Publication number
- CN110380533A CN110380533A CN201910544447.8A CN201910544447A CN110380533A CN 110380533 A CN110380533 A CN 110380533A CN 201910544447 A CN201910544447 A CN 201910544447A CN 110380533 A CN110380533 A CN 110380533A
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- permanent magnet
- subunit
- adjacent
- mover
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- 210000000515 tooth Anatomy 0.000 claims description 36
- 230000004907 flux Effects 0.000 claims description 19
- 210000003464 cuspid Anatomy 0.000 claims description 18
- 230000005389 magnetism Effects 0.000 claims description 10
- 238000004804 winding Methods 0.000 claims description 8
- 239000000696 magnetic material Substances 0.000 claims description 7
- 230000035699 permeability Effects 0.000 claims description 7
- 230000010287 polarization Effects 0.000 claims description 7
- 238000010248 power generation Methods 0.000 abstract description 9
- 238000010586 diagram Methods 0.000 description 17
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 210000003781 tooth socket Anatomy 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 229910000976 Electrical steel Inorganic materials 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 230000005415 magnetization Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000008450 motivation Effects 0.000 description 1
- 230000000474 nursing effect Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- VMXUWOKSQNHOCA-UKTHLTGXSA-N ranitidine Chemical compound [O-][N+](=O)\C=C(/NC)NCCSCC1=CC=C(CN(C)C)O1 VMXUWOKSQNHOCA-UKTHLTGXSA-N 0.000 description 1
Classifications
-
- 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
- H02K1/14—Stator cores with salient poles
-
- 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
- H02K1/17—Stator cores with permanent magnets
-
- 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
- H02K1/18—Means for mounting or fastening magnetic stationary parts on to, or to, the stator structures
-
- 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
- H02K1/2786—Outer rotors
-
- 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
- H02K1/28—Means for mounting or fastening rotating magnetic parts on to, or to, the rotor structures
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K41/00—Propulsion systems in which a rigid body is moved along a path due to dynamo-electric interaction between the body and a magnetic field travelling along the path
- H02K41/02—Linear motors; Sectional motors
- H02K41/03—Synchronous motors; Motors moving step by step; Reluctance motors
- H02K41/031—Synchronous motors; Motors moving step by step; Reluctance motors of the permanent magnet type
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Electromagnetism (AREA)
- Permanent Field Magnets Of Synchronous Machinery (AREA)
- Linear Motors (AREA)
Abstract
The present invention provides a kind of motor, which includes: stator, mover and stator permanent magnet component and/or rotor permanent magnet component；Stator includes N number of stator unit of magnetic conduction, and mover includes N number of subunit of magnetic conduction；N number of stator unit includes N number of stator yoke；N number of subunit includes N number of mover yoke portion；Wherein, N is the integer more than or equal to 2；N number of stator unit and N number of subunit are arranged in pairs along first direction；And air gap is formed between N number of stator unit and N number of subunit；Magnetic field in a second direction is formed in air gap；Wherein, second direction is perpendicular to first direction；N-1 stator unit gap is formed between adjacent stators unit in N number of stator unit；N-1 subunit gap is formed between adjacent subunit in N number of subunit；Stator permanent magnet component may be provided at least partly N-1 stator unit gap and/or on N number of stator unit；And/or rotor permanent magnet component may be provided at least partly N-1 subunit gap and/or on N number of subunit, using technical solution of the present invention, can increase electromagnetic torque/power output, or increase the power density of power generation.
Description
Technical field
The present invention relates to electromagnetic technology fields, and in particular to a kind of motor and the equipment including the motor.
Background technique
The nearly 2 years high speed developments with society and science and technology, people are to can export large torque/power output or the big power generation of output
The demand of the motor of amount is increasing.
But so far, the performance of motor in this respect is not able to satisfy the demand of people still.
Summary of the invention
In view of this, the embodiment of the present invention provides a kind of motor and the equipment including the motor.
The present invention provides a kind of motor, the motor include: stator, mover and stator permanent magnet component and/or mover forever
Magnet assembly；The stator includes N number of stator unit of magnetic conduction, and the mover includes N number of subunit of magnetic conduction；It is described N number of
Stator unit includes N number of stator yoke；N number of subunit includes N number of mover yoke portion；Wherein, N is whole more than or equal to 2
Number；
N number of stator unit and N number of subunit are arranged in pairs along first direction；And N number of stator unit
Air gap is formed between N number of subunit；Magnetic field in a second direction is formed in the air gap；Wherein, the second party
To perpendicular to the first direction；
N-1 stator unit gap is formed between adjacent stators unit in N number of stator unit；N number of mover
N-1 subunit gap is formed between adjacent subunit in unit；
The stator permanent magnet component setting is at least partly N-1 stator unit gap and/or described N number of fixed
On subelement；And/or
The rotor permanent magnet component setting is at least partly N-1 subunit gap and/or described N number of dynamic
On subelement.
Preferably, N number of stator yoke is connected by stator permeability magnetic material interconnecting piece；And/or
N number of mover yoke portion is connected by mover permeability magnetic material interconnecting piece.
Preferably, when the stator permanent magnet component is arranged at least partly N-1 stator unit gap；It is described
The magnetic field polarization direction of stator permanent magnet component corresponds to the first direction；And/or
When the stator permanent magnet component is arranged at least partly described N number of stator unit；The stator permanent magnet group
The magnetic direction that part generates in air gap corresponds to the second direction；And/or
When the rotor permanent magnet component is arranged at least partly N-1 subunit gap；The mover is forever
The magnetic field polarization direction of magnet assembly corresponds to the first direction；And/or
When the rotor permanent magnet component is arranged at least partly described N number of subunit；The rotor permanent magnet group
The magnetic direction that part generates in air gap corresponds to the second direction.
Preferably, when the motor includes the stator permanent magnet component and the rotor permanent magnet component, positioned at described
The stator permanent magnet component and the rotor permanent magnet component on the stator unit and subunit being arranged in pairs is described
The magnetic direction formed in air gap is identical.
Preferably, the stator permanent magnet component can be set in the described N number of fixed of at least partly described N number of stator unit
In sub- yoke portion；And/or N number of mover yoke of at least partly described N number of subunit is arranged in the rotor permanent magnet component
In portion.
Preferably, when the motor is rotating electric machine, the stator permanent magnet component in yoke portion and/or described dynamic is set
Sub- permanent magnet assembly is distributed at annular shape；Or
When the motor be linear motor, the stator permanent magnet component and/or the mover permanent magnetism in yoke portion are set
Body component is in line distribution.
Preferably, each stator yoke in N number of stator yoke is prolonged along the mover direction of motion to the mover
It stretches to form multiple canine tooths；Large trough is formed between the adjacent canine tooth；Winding is set in at least partly described large trough；
The surface that the canine tooth corresponds to the mover forms the multiple first small teeth, adjacent institute along the mover direction of motion
It states and forms the first sulculus between the first small tooth；Or
The surface that the canine tooth corresponds to the mover is smooth surface.
Preferably, when the motor forms first sulculus, at least partly institute of at least partly described N number of stator unit
It states and the first permanent magnet is set in the first sulculus.
Preferably, the 7th permanent magnet is set in at least partly described large trough.
Preferably, corresponded in N number of mover yoke portion the stator surface formed along the mover direction of motion it is multiple
Second small tooth forms the second sulculus between the small tooth of adjacent second.
Preferably, the second permanent magnetism is set at least partly described second sulculus at least partly described N number of subunit
Body.
Preferably, described adjacent when adjacent stator permanent magnet component is arranged in adjacent N-1 stator unit gap
The magnetic direction that is generated in the air gap of stator permanent magnet component it is opposite；And/or
When adjacent stator permanent magnet component, the adjacent stator permanent magnet is arranged in adjacent N number of stator unit
The magnetic direction that component generates in the air gap is opposite；And/or
When adjacent rotor permanent magnet component, the adjacent mover is arranged in adjacent N-1 subunit gap
The magnetic direction that permanent magnet assembly generates in the air gap is opposite；And/or
When adjacent rotor permanent magnet component, the adjacent rotor permanent magnet is arranged in adjacent N number of subunit
The magnetic direction that component generates in the air gap is opposite.
Preferably, the adjacent subunit is staggered certain distance along the mover direction of motion；Wherein,
The certain distance makes the adjacent stator permanent magnet component and/or the adjacent rotor permanent magnet component
It is produced along the corresponding air gap of the first direction between the adjacent stator unit and the adjacent subunit
Raw magnetic direction is identical.
Preferably, corresponded in N number of mover yoke portion the stator surface formed along the mover direction of motion it is multiple
Second small tooth forms the second sulculus between the small tooth of adjacent second.
Preferably, the adjacent subunit is staggered the tooth pitch of 0.5 second small tooth along the mover direction of motion.
Preferably, when the motor is radial flux rotating electric machine, the first direction is axial；The second direction is
It is radial；Or
When the motor is linear motor；The first direction is the direction vertical with the mover direction of motion；It is described
Second direction is the direction for passing through the air gap between stator and mover.
The present invention provides a kind of equipment, and the equipment includes motor described at least one any of the above item.
By the way that the first permanent magnet assembly and/or second is arranged on the motor for including N number of stator unit and N number of subunit
Permanent magnet assembly, therefore when motor is as motor, to generate bigger electromagnetic torque/power output；Similarly, when motor conduct
When generator, the power density of power generation can be increased.
Detailed description of the invention
Technical solution in order to illustrate the embodiments of the present invention more clearly, below will be to institute in embodiment and description of the prior art
Attached drawing to be used is needed to be briefly described, it should be apparent that, the accompanying drawings in the following description is only some implementations of the invention
Example, for those of ordinary skill in the art, without creative efforts, can also obtain according to these attached drawings
Obtain other attached drawings.
Fig. 1 is motor overall structure diagram provided in an embodiment of the present invention.
Fig. 2A is the schematic diagram of two stator units of motor provided in an embodiment of the present invention；Fig. 2 B is the embodiment of the present invention
The first schematic diagram that two stator units of the motor of offer are splitted along axial direction；Fig. 2 C is motor provided in an embodiment of the present invention
The second schematic diagram that two stator units are splitted along axial direction.
Fig. 3 is after third permanent magnet and the 5th permanent magnet is arranged in two stator units of motor provided in an embodiment of the present invention
The schematic diagram splitted along axial direction.
Fig. 4 is the schematic diagram that two subunits of motor provided in an embodiment of the present invention are splitted along axial direction.
Fig. 5 is after the 4th permanent magnet and the 5th permanent magnet is arranged in two subunits of motor provided in an embodiment of the present invention
The schematic diagram splitted along axial direction.
Fig. 6 A is the part plan signal of the two neighboring subunit gullet surface of motor provided in an embodiment of the present invention
Figure；Fig. 6 B is the partial schematic plan view of adjacent three subunit gullet surfaces of motor provided in an embodiment of the present invention；Figure
6C is the partial schematic diagram of the two neighboring subunit gullet surface of motor provided in an embodiment of the present invention.
Fig. 7 A is the first floor map of one of canine tooth of the stator unit of motor provided in an embodiment of the present invention；
Fig. 7 B is the second floor map of one of canine tooth of the stator unit of motor provided in an embodiment of the present invention；Fig. 7 C is this
The third floor map of one of canine tooth of the stator unit for the motor that inventive embodiments provide.
Fig. 8 A is the first partial of the tooth socket arrangement of the stator and mover opposite segments of motor provided in an embodiment of the present invention
Schematic diagram；Fig. 8 B is that the second part of the tooth socket arrangement of the stator and mover opposite segments of motor provided in an embodiment of the present invention shows
It is intended to.
Fig. 9 A is the 5th permanent magnetism of the circle arrangement structure being arranged in the stator yoke of motor provided in an embodiment of the present invention
First schematic diagram of body；Fig. 9 B be motor provided in an embodiment of the present invention stator yoke in be arranged the of circle arrangement structure
Second schematic diagram of five permanent magnets；Fig. 9 C is the circle arrangement knot that is arranged in the stator yoke of motor provided in an embodiment of the present invention
The third schematic diagram of 5th permanent magnet of structure.
Figure 10 A is the 5th permanent magnetism of the structure arranged in a straight line being arranged in the stator yoke of motor provided in an embodiment of the present invention
First schematic diagram of body；Figure 10 B is the structure arranged in a straight line that is arranged in the stator yoke of motor provided in an embodiment of the present invention
Second schematic diagram of the 5th permanent magnet；Figure 10 C arranges for the straight line being arranged in the stator yoke of motor provided in an embodiment of the present invention
The third schematic diagram of 5th permanent magnet of array structure.
Figure 11 A is the axial cross-sectional views of axial magnetic flux rotating electric machine provided in an embodiment of the present invention；Figure 11 B is this hair
The schematic diagram in face of stator face of the mover for the axial magnetic flux rotating electric machine that bright embodiment provides；11C mentions for the embodiment of the present invention
The schematic diagram of the stator of the axial magnetic flux rotating electric machine of confession.
Accompanying drawings symbol description: 10 motors；11 stators；12 movers；111,112 stator unit；1113,1123 stator yoke；
121,122,123 subunit；1213,1223 mover yoke portion；13 stator permeability magnetic material interconnecting pieces；1111 first small teeth；1112
First sulculus；The first permanent magnet of M1；The second permanent magnet of M2；M3 third permanent magnet；The 4th permanent magnet of M4；The 5th permanent magnet of M5；M6
6th permanent magnet；The 7th permanent magnet of M7；T canine tooth；L winding；N1 adjacent stators unit gap；Y-axis.
Specific embodiment
In order to make those skilled in the art more fully understand the present invention program, below in conjunction with attached in the embodiment of the present invention
Figure, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is only this
The embodiment of a part is invented, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art
All other embodiment obtained without making creative work, should fall within the scope of the present invention.
As shown in Figure 1, the embodiment of the present invention provides a kind of motor 10.
Specifically, the motor can be now existing or exploitation in the future various types of motors with following structures,
Such as: the relative motion model split with the stator of motor and mover may include: rotating electric machine (as shown in Figure 1) or straight-line electric
Machine (as shown in figs. 8 a or 8b)；It may include axial magnetic flux rotating electric machine (such as Figure 11 A- by taking the magnetic flux of rotating electric machine trend as an example
Shown in 11C), radial flux rotating electric machine (as shown in Figure 1) or axial-radial mixing magnetic flux rotating electric machine (omitting attached drawing).
Specifically, the motor can be with the motor to convert electric energy to kinetic energy output；Or kinetic energy is converted
For the generator of power output.Therebetween it can be realized in some cases using same structure, by identical
Structure using it is different electrically and mechanically by the way of, to realize the function of generator or motor respectively.
Continue as shown in Figure 1, the motor 10 includes stator 11, mover 12 and stator permanent magnet component and/or mover permanent magnetism
Body component；Stator 11 includes N number of stator unit 111,112 of magnetic conduction；Mover 12 includes N number of subunit 121,122 of magnetic conduction；
N number of stator unit 111,112 includes N number of stator yoke 1113,1123 (as shown in fig. 2 a or 2b)；N number of subunit 121,122
Including N number of mover yoke portion 1213,1223 (as shown in fig. 4 or 5)；Wherein, N is the integer more than or equal to 2, for convenience of understanding, this
Specific embodiment is described in detail so that N is equal to 2 as an example.
Specifically, N number of stator unit and N number of subunit can using it is now existing or in the future hair open it is various magnetically permeable
Material be made, such as: common silicon steel sheet, iron powder or pure iron etc. are made.
Specifically, stator 11 and mover 12 can unilateral side be oppositely arranged (as shown in Fig. 1,8A or 11A), it is in addition to this, fixed
Son 11 can be two parts, and be located at the two sides (omit attached drawing) of mover 12 or mover be two parts (12,
12 ') two sides (as shown in Figure 8 B) of stator 11 are located at, or as shown in Figure 11 C, subpart are omitted in figure, stator
The two sides of axial Y can respectively correspond setting mover.
Further, when stator 11 and 12 unilateral side of mover are oppositely arranged, stator 11 can be located at any side of mover 12.For
Facilitate understanding, using motor as radial flux rotating electric machine, stator 11 is located at for the radially inner side of mover 12 this specific embodiment
It is further described, as shown in Figure 1.
N number of stator unit 111,112 and N number of subunit 121,122 are arranged in pairs along first direction；And N number of stator list
Air gap is formed between member 111,112 and N number of subunit 121,122, forms magnetic field in a second direction in air gap；Wherein,
Two directions are perpendicular to first direction.
Specifically, first direction and second direction represent different meanings according to different motors.
Such as: as shown in Figure 1, when the motor 10 is radial flux rotating electric machine 10, first direction is axial direction Y；Second party
To being radial；
As shown in figs. 8 a or 8b, when the motor is linear motor；First direction is the direction vertical with second direction；Second
Direction is the direction of the air gap passed through between stator and mover.
As shown in Figure 11 A-11C, when the motor is axial magnetic flux rotating electric machine, the first direction is radial；It is described
Second direction is axial direction Y, then N number of stator unit 111,112 and N number of subunit 121,122 are radially arranged in pairs；And it is N number of
Air gap is formed between stator unit 111,112 and N number of subunit 121,122, is formed in air gap along the magnetic field of axial Y.
As shown in Figure 2 B, stator unit gap N1 is formed between adjacent stator unit, then N number of stator unit 111,112
In adjacent stator unit between form N-1 stator unit gap N1 altogether；It is adjacent in N number of subunit 121,122
N-1 subunit gap is formed between subunit.
Wherein, adjacent to refer to adjoining, such as: first stator unit and second stator unit are known as abutting, and second
Stator unit and third stator unit are known as abutting ..., and so on, n-th stator unit and the N-1 stator unit
It is properly termed as abutting；Similarly, n-th subunit and the N-1 subunit are known as abutting.
In one embodiment, as shown in Figure 2 C, pass through stator gap N1 and/or N between N number of stator unit 111,112
It is spaced each other and is completely independent by mover gap (omitting subunit part in attached drawing 2C) between a subunit；Then it is each at
To being respectively formed respective flux loop H ', H " between the stator unit and subunit of setting；
In one embodiment, as shown in Figure 2 B, in addition to stator gap N1 and/or N between N number of stator unit 111,112
(subunit part is omitted in attached drawing 2B) in addition to the N1 of mover gap between a subunit, N number of stator unit 111,112
N number of stator yoke is connected by stator permeability magnetic material interconnecting piece 13；And/or N number of mover yoke portion of N number of subunit passes through
Mover permeability magnetic material interconnecting piece 14 is connected (as shown in fig. 4 or 5)；It is then common between N number of stator unit and N number of subunit
The flux loop H an of entirety is formed, respective flux loop is respectively formed described in opposite above example, can subtract
The magnetic resistance of the magnetic circuit of small entire motor.
It can be prefabricated integral specifically, being connected, can also be realized by way of splicing.
Specifically, each stator yoke in N number of stator yoke can for prefabricated entirety, by multiple portions splicing and
At, or be spaced from each other a distance and formed by multiple portions；And/or each mover yoke portion in N number of mover yoke portion can be
Prefabricated entirety is spliced by multiple portions, or is spaced from each other a distance and is formed by multiple portions.
Stator permanent magnet component may be provided at least partly (part or all of) N-1 stator unit gap and/or N number of
On stator unit 111,112；And/or
Rotor permanent magnet component may be provided at least partly N-1 subunit gap and/or N number of subunit 121,
On 122.
Specifically, stator permanent magnet component and rotor permanent magnet assembly body can be monolithic or multi-disc, multi-disc permanent magnet can
With any according to being designed to, wherein Halbach structure or the Halbach structure of simplification are that the one of which of multi-disc permanent magnet is special
Structure.
By taking motor is electric rotating motivation as an example, the size of current and permanent magnetism in winding are depended on due to the electromagnetic torque of motor
The magnetic field that body generates.In the identical situation of winding current, the effective magnetic field that permanent magnet generates is bigger, the electromagnetic torque of motor
It is bigger, and the increase of this electromagnetic torque not will increase the copper loss of motor.By including N number of stator unit and N number of mover
First permanent magnet assembly and/or the second permanent magnet assembly, the first permanent magnet assembly and/or the second permanent magnetism are set on the motor of unit
The magnetic flux that body component generates constitutes circuit by stator, air gap and mover, the magnetic field overlapping that each permanent magnet generates in air gap,
Substantially increase the magnetic field of permanent magnet generation.Due to the arrangement of cleverly permanent magnet, the first permanent magnet assembly and/or the second permanent magnetism
The magnetic field interaction that the magnetic field that body component generates can be generated with the winding current on motor, generates effective torque, therefore work as
When motor is as motor, bigger electromagnetic torque/power output can produce；Similarly, when motor is as generator, can increase
The power density of power generation.
In addition, in the case where the constancy of volume of motor, when the motor is as motor, motor can be increased identical
Torque/power output under load current；When motor is as generator, the power density of power generation can be increased；And in the defeated of motor
In the case that torque/force or generated output density out is constant, it is possible to reduce the volume and weight of motor.
In addition, since stator and/or the setting of rotor permanent magnet component is empty in stator unit, subunit, stator unit
In gap and/or subunit gap, processing, the installation cost that can reduce permanent magnet are low, to reduce the manufacturing cost of motor.
Specifically, it is empty to may be provided at least partly N-1 stator unit to said stator permanent magnet assembly for convenience of understanding
In gap and/or on N number of stator unit 111,112；And/or rotor permanent magnet component may be provided at least partly N-1 mover list
It is further elaborated in first gap and/or on N number of subunit 121,122:
In one embodiment, as shown in figure 3, stator permanent magnet component is at least partly N-1 stator unit gap N1
The third permanent magnet M3 of interior setting；
In one embodiment, as shown in figure 3, rotor permanent magnet component is at least partly N-1 subunit gap N2
4th permanent magnet M4 of interior setting.
In one embodiment, as shown in figure 3, stator permanent magnet component can be set at least partly N number of stator unit
N number of stator yoke on；And/or rotor permanent magnet component is arranged in N number of mover yoke portion of at least partly N number of subunit.
In addition to this, other in stator unit and subunit also can be set in stator permanent magnet component and rotor permanent magnet component
Meaning meets can form on the position of magnetic field superposition arbitrarily needed in air gap.
For convenience of understanding, illustrate in detail further below:
In one embodiment, as shown in figure 3, the 5th permanent magnet M5 is arranged in N number of stator yoke 113.
Further, in one embodiment, when motor is rotating electric machine, the 5th permanent magnet is at circular row.
Specifically, the 5th permanent magnet M5 of the annular shape can be with prefabricated integrally or by more as shown in Fig. 9 A, 9B or 9C
A individual part is spliced circular atural object permanent magnet M5 (as shown in Figure 9 A)；Or one is spaced each other by multiple permanent magnets
Set a distance, which along the circumferential direction arranges, is combined into circular the 5th permanent magnet M5 ' (such as Fig. 9 B)；Or by multiple spaced apart
And the permanent magnet to form an angle is along the circumferential direction arranged in the 5th permanent magnet M5 " (such as Fig. 9 C).
Further, in one embodiment, when motor is linear motor, the 5th permanent magnet is aligned.
Specifically, the 5th permanent magnet M5 can be with prefabricated integrally or by multiple individual portions as shown in Fig. 9 A, 9B or 9C
Point be spliced (such as Figure 10 A) arranged in a straight line or it is multiple it is spaced apart it is arranged in a straight line at the 5th permanent magnet M5 ' (as schemed
10B) or adjacent permanent magnet is spaced apart and be arranged into a certain angle into the 5th permanent magnet M5 " (such as Figure 10 C).
As shown in figure 5, in one embodiment, the 6th permanent magnet M6 is arranged in N number of mover yoke portion 123.
Further, in one embodiment, when motor is rotating electric machine, the 6th permanent magnet M6 is at circular row.
Specifically, can be to be prefabricated into one or be spliced the 6th permanent magnetism of circular ground by multiple individual parts
Body；Or along the circumferential direction arrangement is spaced from each other a distance by multiple permanent magnets and is combined into the 6th circular permanent magnet；Or
6th permanent magnet is along the circumferential direction arranged in by permanent magnet that is multiple spaced apart and forming an angle.
Further, in one embodiment, when motor is linear motor, the 6th permanent magnet M6 is aligned.
Specifically, the 6th permanent magnet can be with prefabricated integral or be spliced by multiple individual parts arranged in a straight line；
Or it is multiple spaced apart arranged in a straight line；Or adjacent permanent magnet is spaced apart and is arranged into a certain angle.
Specifically, other associated descriptions in relation to the 6th permanent magnet are referring to the description in the 5th permanent magnet above, herein not
It repeats again.
In one embodiment, fixed when stator permanent magnet component is arranged at least partly N-1 stator unit gap
The magnetic field polarization direction of sub- permanent magnet assembly corresponds to the first direction；And/or
When stator permanent magnet component is arranged at least partly N number of stator unit, stator permanent magnet component is in air gap
The magnetic direction of generation corresponds to second direction；And/or
When rotor permanent magnet component is arranged at least partly N-1 subunit gap, rotor permanent magnet group
The magnetic field polarization direction of part corresponds to first direction；And/or
When rotor permanent magnet component is arranged at least partly N number of subunit, rotor permanent magnet component is in air gap
The magnetic direction of generation corresponds to second direction.
Wherein, above-mentioned correspondence refers to same or about.
By the setting of above-mentioned magnetic field polarization direction, each permanent magnet can make full use of its material in the air gap of motor
It is middle to generate magnetic field as big as possible, to can produce electromagnetic torque/power output as big as possible when motor is motor.Separately
Outside, similarly, when motor is generator, the power density of power generation can be increased.
In one embodiment, when on the stator unit being arranged in pairs and subunit of motor include be arranged in pairs determine
Sub- permanent magnet assembly and rotor permanent magnet component, then the stator permanent magnet component being arranged in pairs and rotor permanent magnet component are in gas
The magnetic direction formed in gap is identical.Such as: the magnetic direction that the first permanent magnet and the second permanent magnet are formed in air gap is identical.
The stator permanent magnet component and rotor permanent magnet component being arranged in pairs in this way can form the folded of magnetic field each other
Add, so as to further increase the magnetic flux density passed through in air gap.
As shown in Fig. 2, in one embodiment, each stator in N number of stator yoke of N number of stator unit 111,112
Yoke portion extends along the mover direction of motion (such as: being properly termed as in radial flux rotating electric machine " circumferencial direction ") to subunit
Multiple canine tooth T are formed, form large trough between adjacent canine tooth T；Winding L is arranged at least partly large trough.
Specifically, the mode that winding can be concentrated or is distributed is arranged in large trough.
In one embodiment, the 7th permanent magnet M7 (as shown in Figure 8 A) can also be set in large trough.
Further, in one embodiment, it can be shared with N number of stator unit along the corresponding each large trough in first direction position
The same winding L (as shown in Figure 1)；It can also be respectively set in large trough on each stator unit 111,112 independent
Winding L (omits attached drawing)
Specifically, the canine tooth can be various types of canine tooths, and such as: boot last tooth (as shown in Figure 1) or straight-tooth (save
Slightly attached drawing) etc..
As shown in Figure 7 B, in one embodiment, the end face of the corresponding mover of multiple canine tooth T ' of stator unit is transported along mover
Dynamic direction forms the multiple first small teeth 1111 ', forms the first sulculus 1112 ' between the small tooth 1111 ' of adjacent first, specifically,
The sulculus 1112 ' can be open slot (as seen in figure 7 c), closed slot (omit attached drawing) or semi-open slot (omitting attached drawing) etc.
Deng.
As shown in Figure 7 A, further, in one embodiment, first permanent magnet at least partly is set in the first sulculus 1112
M1；In one embodiment, the magnetic direction that the first permanent magnet M1 is formed in air gap corresponds to second direction.
As seen in figure 7 c, in one embodiment, the surface of the correspondence mover of multiple canine tooth T " is smooth, i.e., big tooth surface is not
First small tooth and the second sulculus and/or the first permanent magnet are set.
As shown in Fig. 1 or 4, in one embodiment, 121,122 N number of mover yoke portion corresponds to stator in N number of subunit
Surface form the multiple second small teeth along direction of doing exercises, form the second sulculus between two adjacent the second small teeth；
Further, in one embodiment, the second permanent magnet M2 is set at least partly the second sulculus；In one embodiment
In, the magnetic direction that the second permanent magnet M2 is formed in air gap corresponds to second direction.
Specifically, the second permanent magnet being arranged in the first permanent magnet and the second sulculus that are arranged in each first sulculus can be with
For monolithic or multi-disc, multi-disc permanent magnet can be any according to being designed to, wherein Halbach structure or the Halbach structure of simplification
For the special structure of the one of which of multi-disc permanent magnet.
In one embodiment, as shown in fig. 4 or 5, according to above example, when N number of mover yoke portion corresponds to stator
Face form the multiple second small teeth 1211,1221 along the mover direction of motion, it is small that second is formed between two adjacent the second small teeth
Slot 1212,1222.
In one embodiment, when adjacent stator permanent magnet component, phase is arranged in N-1 adjacent stator unit gap
The magnetic direction that adjacent stator permanent magnet component generates in air gap may be reversed, or the same；And/or
In one embodiment, as shown in figure 3, when adjacent stator permanent magnet group is arranged on adjacent N number of stator unit
Part, the magnetic direction that adjacent stator permanent magnet component generates in air gap may be reversed, or the same；And/or
In one embodiment, when adjacent rotor permanent magnet component, phase is arranged in N-1 adjacent subunit gap
The magnetic direction that adjacent rotor permanent magnet component generates in air gap may be reversed, or the same；And/or
In one embodiment, when adjacent rotor permanent magnet component is arranged on adjacent N number of subunit, adjacent is dynamic
The magnetic direction that sub- permanent magnet assembly generates in air gap may be reversed, or the same.
Wherein, N-1 adjacent stator unit gap refers to stator unit adjacent to each other in N-1 stator unit gap
Gap；N-1 adjacent subunit gap refers to subunit gap adjacent to each other in N-1 subunit gap；Tool
Explanation of the body meaning referring to above example in relation to adjacent stator unit, details are not described herein.
Wherein, adjacent stator permanent magnet component refers to two be separately positioned in N-1 adjacent stator unit gap
The general designation of a stator permanent magnet component；Adjacent rotor permanent magnet component, which refers to, is separately positioned on N-1 adjacent subunit
The general designation of two rotor permanent magnet components in gap.
Further, in one embodiment, according to above example, when adjacent N-1 stator unit gap and/
Or adjacent stator permanent magnet component is respectively set in adjacent N number of stator unit, and adjacent stator permanent magnet component is in air gap
The magnetic direction of middle generation is opposite；And/or when N-1 adjacent subunit gap and/or adjacent N number of subunit difference
Adjacent rotor permanent magnet component is set, and the magnetic direction that adjacent rotor permanent magnet component generates in the air gap is opposite
When, wherein adjacent two subunit 121,122 of N number of subunit 121,122 is staggered centainly along the direction of motion of motor
Distance, the distance make adjacent stator permanent magnet component and/or rotor permanent magnet component in the adjacent of adjacent pairs of setting
Subunit and adjacent stator unit between the magnetic direction that is generated along the corresponding air gap in first direction position it is identical, from
And increase torque/power output of motor, or the power density of power generation.
Using the motor of above structure, when adjacent stator permanent magnet component and/or adjacent rotor permanent magnet component exist
The magnetic direction that generates in air gap is on the contrary, make corresponding two adjacent subunits be staggered a spacing along the mover direction of motion
From the distance makes adjacent stator permanent magnet component and/or rotor permanent magnet component along the corresponding gas in first direction position
The magnetic direction generated in gap is identical, so that generating in the adjacent stator unit being arranged in pairs with adjacent subunit
The magnetic field in the same direction, to increase torque/power output of motor, or the power density of power generation.
Further, in one embodiment, as shown in Fig. 4,5 or 6A-6C, when N number of mover yoke portion corresponds to the face edge of stator
The mover direction of motion forms the multiple second small teeth 1211,1221, formed between two adjacent the second small teeth the second sulculus 1212,
When 1222；Wherein adjacent two subunit 121,122 of N number of subunit 121,122 is staggered along the direction of motion of motor
The distance d of 0.5 the second small tooth.Specifically, for example, as shown in Figure 6A, wherein the first subunit 121 and the second mover list
Member 122 between be staggered 0.5 the second small tooth tooth pitch d distance；For another example, as shown in Figure 6B, the first subunit 121 and
The direction of motion between two subunits 122 along mover is staggered the distance d of 0.5 the second small tooth；And the second subunit 122
Along the tooth pitch d for 0.5 the second small tooth that is staggered with the above-mentioned contrary mover direction of motion between third subunit 125
Distance.
According to structure above, as shown in Figure 6 C, it is assumed that the stator on the 1st stator unit and/or the 2nd subunit is forever
The magnetic field that magnet assembly and/or rotor permanent magnet component generate is to enter mover from stator in the second small teeth portion, in the second sulculus
That follower enters stator, due on the first stator and/or subunit stator and/or rotor permanent magnet component in air gap
The direction of magnetization phase of the magnetic direction of formation and stator and/or rotor permanent magnet component on the second stator and/or subunit
Instead, then the magnetic field that stator and/or rotor permanent magnet component on the second stator and/or subunit generate in air gap exists
Second small teeth portion is that follower enters stator, is to enter mover from stator in the second small groove portion, when the second adjacent mover list
After member has been staggered 0.5 mover tooth pitch along the mover direction of motion with the first subunit, stator and/or rotor permanent magnet component exist
It is identical in the magnetic direction that the first subunit and the second subunit generate along the air gap of first direction corresponding position, then exist
The magnetic field of the same direction can be generated on the adjacent stator unit being arranged in pairs with adjacent subunit, to increase motor
Whole torque/power output, or the power density of power generation.
The embodiment of the present invention also provides a kind of equipment (omitting attached drawing), which includes described at least one any of the above item
Motor.
In some preferred embodiments, which can be automation equipment or Semi-automatic device.
It should be noted that the automation or Semi-automatic device can for applied to every field, such as: industry,
Education, nursing, amusement or medical treatment etc..
In some preferred embodiments, robot (such as: manipulator or anthropomorphic robot) can regard as it is advanced from
Dynamicization equipment.
In some embodiments, which may be generating equipment.
Associated description in relation to motor is referring to above embodiment, and it is no longer repeated herein.
When element is expressed on " setting exists " another element, it can be fixed on another element, or relatively another
One mobilizable connection of element.When an element is expressed " being fixed on " another element, it can be directly in another yuan
The elements placed in the middle there may be one or more on part or therebetween.When an element is expressed " connection " another element, it
It can be directly to another element or there may be one or more elements placed in the middle therebetween.This specification uses
Term " longitudinal direction ", " transverse direction ", "left", "right", "inner", "outside" and similar statement for illustrative purposes only.
Unless otherwise defined, technical and scientific term all used in this specification is led with technology of the invention is belonged to
The normally understood meaning of the technical staff in domain is identical.In this specification in the description of the invention used in belong to and be only
The purpose of description specific embodiment is not intended to the limitation present invention.
"and/or" in this paper term, only a kind of incidence relation for describing affiliated partner, indicates that there may be three kinds of passes
System, such as: A and/or B can indicate individualism A, exist simultaneously A and B, these three situations of individualism B.In addition, herein
Middle character "/" typicallys represent the relationship that forward-backward correlation object is a kind of "or".
Claims of the present invention and specification and term " first " in above-mentioned attached drawing, " second ", " third " etc.
(if present) is for distinguishing similar object, without being used to describe a particular order or precedence order.It should be understood that this
The data that sample uses are interchangeable under appropriate circumstances, so that the embodiments described herein can be in addition to illustrating herein or retouching
Sequence other than the content stated is implemented.In addition, term " includes " " having " and their any deformation, it is intended that covering is not
Exclusive includes.Such as: include a series of product of structures or module etc. or those of equipment is not necessarily limited to be clearly listed
Structure or module, but including other structures being not clearly listed or intrinsic for these products or equipment or module.
In the above-described embodiments, it all emphasizes particularly on different fields to the description of each embodiment, is not described in some embodiment
Part, may refer to the associated description of other embodiments.
It should be noted that those skilled in the art should also know that, embodiment described in this description belongs to excellent
Embodiment is selected, related structure and module are not necessarily essential to the invention.
It is provided for the embodiments of the invention motor above and the equipment including the motor is described in detail, but more than
The explanation of embodiment is merely used to help understand method and its core concept of the invention, should not be construed as to limit of the invention
System.Those skilled in the art in the technical scope disclosed by the present invention, can readily occur according to the thought of the present invention
Change or replacement, should be covered by the protection scope of the present invention.
Claims (17)
1. a kind of motor, which is characterized in that the motor include: stator, mover and stator permanent magnet component and/or mover forever
Magnet assembly；The stator includes N number of stator unit of magnetic conduction, and the mover includes N number of subunit of magnetic conduction；It is described N number of
Stator unit includes N number of stator yoke；N number of subunit includes N number of mover yoke portion；Wherein, N is whole more than or equal to 2
Number；
N number of stator unit and N number of subunit are arranged in pairs along first direction；And N number of stator unit and institute
It states and forms air gap between N number of subunit；Magnetic field in a second direction is formed in the air gap；Wherein, the second direction is hung down
Directly in the first direction；
N-1 stator unit gap is formed between adjacent stators unit in N number of stator unit；N number of subunit
In adjacent subunit between formed N-1 subunit gap；
The stator permanent magnet component is arranged at least partly N-1 stator unit gap and/or N number of stator list
In member；And/or
The rotor permanent magnet component is arranged at least partly N-1 subunit gap and/or N number of mover list
In member.
2. motor according to claim 1, which is characterized in that N number of stator yoke is connected by stator permeability magnetic material
Portion is connected；And/or
N number of mover yoke portion is connected by mover permeability magnetic material interconnecting piece.
3. motor according to claim 1 or 2, which is characterized in that when the stator permanent magnet component is arranged at least portion
Divide on N-1 stator unit gap, the magnetic field polarization direction of the stator permanent magnet component corresponds to the first direction；
And/or
When the stator permanent magnet component is arranged at least partly described N number of stator unit, the stator permanent magnet component exists
The magnetic direction generated in air gap corresponds to the second direction；And/or
When the rotor permanent magnet component be arranged at least partly N-1 subunit gap, the rotor permanent magnet
The magnetic field polarization direction of component corresponds to the first direction；And/or
When the rotor permanent magnet component is arranged at least partly described N number of subunit, the rotor permanent magnet component exists
The magnetic direction generated in air gap corresponds to the second direction.
4. motor according to claim 1 or 2, which is characterized in that when the motor includes the stator permanent magnet component
With the rotor permanent magnet component, the stator permanent magnet group on the stator unit and subunit being arranged in pairs
Part is identical with the magnetic direction that the rotor permanent magnet component is formed in the air gap.
5. motor according to claim 1 or 2, which is characterized in that the stator permanent magnet component can be set at least
In N number of stator yoke of part N number of stator unit；And/or the rotor permanent magnet component is arranged at least partly
In N number of mover yoke portion of N number of subunit.
6. motor according to claim 1 or 2, which is characterized in that when the motor be rotating electric machine, yoke portion is set
The stator permanent magnet component and/or the rotor permanent magnet component are distributed at annular shape；Or
When the motor be linear motor, be arranged in yoke portion the stator permanent magnet component and/or the rotor permanent magnet group
Part is in line distribution.
7. motor according to claim 1 or 2, which is characterized in that each stator yoke edge in N number of stator yoke
The mover direction of motion extends to form multiple canine tooths to the mover；Large trough is formed between the adjacent canine tooth；At least portion
Divide in the large trough and winding is set；
The canine tooth corresponds to the surface of the mover and forms the multiple first small teeth along the mover direction of motion, and adjacent described
The first sulculus is formed between one small tooth；Or
The surface that the canine tooth corresponds to the mover is smooth surface.
8. motor according to claim 7, which is characterized in that when the motor forms first sulculus, at least partly
First permanent magnet is set at least partly described first sulculus of N number of stator unit.
9. motor according to claim 7, which is characterized in that the 7th permanent magnet is arranged in at least partly described large trough.
10. motor according to claim 1 or 2, which is characterized in that correspond to the stator in N number of mover yoke portion
Surface forms the multiple second small teeth along the mover direction of motion, forms the second sulculus between the small tooth of adjacent second.
11. motor according to claim 10, which is characterized in that at least portion at least partly described N number of subunit
Divide and the second permanent magnet is set in second sulculus.
12. motor according to claim 1 or 2, which is characterized in that when adjacent N-1 stator unit gap is set
Set adjacent stator permanent magnet component, the magnetic direction phase that the adjacent stator permanent magnet component generates in the air gap
Instead；And/or
When adjacent stator permanent magnet component, the adjacent stator permanent magnet component is arranged in adjacent N number of stator unit
The magnetic direction generated in the air gap is opposite；And/or
When adjacent rotor permanent magnet component, the adjacent mover permanent magnetism is arranged in adjacent N-1 subunit gap
The magnetic direction that body component generates in the air gap is opposite；And/or
When adjacent rotor permanent magnet component, the adjacent rotor permanent magnet component is arranged in adjacent N number of subunit
The magnetic direction generated in the air gap is opposite.
13. motor according to claim 12, which is characterized in that the adjacent subunit is staggered along the mover direction of motion
Certain distance；Wherein,
The certain distance makes the adjacent stator permanent magnet component and/or the adjacent rotor permanent magnet component in institute
It states and is generated along the corresponding air gap of the first direction between adjacent stator unit and the adjacent subunit
Magnetic direction is identical.
14. motor according to claim 12, which is characterized in that correspond to the table of the stator in N number of mover yoke portion
Face forms the multiple second small teeth along the mover direction of motion, forms the second sulculus between the small tooth of adjacent second.
15. motor according to claim 14, which is characterized in that the adjacent subunit is staggered along the mover direction of motion
The tooth pitch of 0.5 second small tooth.
16. motor according to claim 1 or 2, which is characterized in that when the motor is radial flux rotating electric machine, institute
It is axial for stating first direction；The second direction is radial；Or
When the motor is axial magnetic flux rotating electric machine, the first direction is radial；The second direction is axial；Or
When the motor is linear motor；The first direction is the direction vertical with the mover direction of motion；Described second
Direction is the direction for passing through the air gap between stator and mover.
17. a kind of equipment, which is characterized in that the equipment includes the described in any item motors of at least one claim 1-16.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910544447.8A CN110380533A (en) | 2019-06-21 | 2019-06-21 | A kind of motor and the equipment including the motor |
| PCT/CN2020/097213 WO2020253847A1 (en) | 2019-06-21 | 2020-06-19 | Motor and device comprising the motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910544447.8A CN110380533A (en) | 2019-06-21 | 2019-06-21 | A kind of motor and the equipment including the motor |
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| CN110380533A true CN110380533A (en) | 2019-10-25 |
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| CN201910544447.8A Pending CN110380533A (en) | 2019-06-21 | 2019-06-21 | A kind of motor and the equipment including the motor |
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| WO (1) | WO2020253847A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020253847A1 (en) * | 2019-06-21 | 2020-12-24 | 侯唯敏 | Motor and device comprising the motor |
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