CN104682641A - Double-stator axial magnetic field motor - Google Patents
Double-stator axial magnetic field motor Download PDFInfo
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- CN104682641A CN104682641A CN201510097213.5A CN201510097213A CN104682641A CN 104682641 A CN104682641 A CN 104682641A CN 201510097213 A CN201510097213 A CN 201510097213A CN 104682641 A CN104682641 A CN 104682641A
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K16/00—Machines with more than one rotor or stator
- H02K16/04—Machines with one rotor and two stators
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Abstract
The invention is applied to the field of motors, and discloses a double-stator axial magnetic field motor. The double-stator axial magnetic field motor comprises a rotor, an armature stator arranged on the axial side of the rotor, and a magnet exciting stator arranged on the other axial side of the rotor, wherein the armature stator comprises an armature core and an armature winding arranged on the armature core; the magnet exciting stator comprises a magnet exciting core and a plurality of magnetic poles convexly arranged on the magnet exciting core. By setting two stators on the two sides of the rotor as the armature stator and the magnet exciting stator, the double-stator axial magnetic field motor ensures that control current of the two stators on the two sides of the rotor is not the same, further reduces the current control difficulty of the motor; in addition, as the magnet exciting stator can produce magnet exciting field during the operation of the motor, counter electromotive force can be produced in the armature winding during the rotation of the rotor, the counter electromotive force can be applied to alternating armature current on the armature stator, so as to produce power and torque, and the torque density of the double-stator axial magnetic field motor is further increased.
Description
Technical field
The invention belongs to machine field, particularly relate to a kind of bimorph transducer motor in axial magnetic field.
Background technology
Traditional Double-stator motor is mostly bimorph transducer radial magnetic field motor, when the number of poles of Double-stator motor is many, the axial length of Double-stator motor and outer diameter ratio smaller time, the problem that efficiency is low, unit Driving Torque is little will be there is in bimorph transducer radial magnetic field motor.
In order to overcome the weak point of above-mentioned traditional double stator radial magnetic field motor, prior art proposes the design of bimorph transducer motor in axial magnetic field.Compared with bimorph transducer radial magnetic field motor, when the number of poles of Double-stator motor is abundant, enough hour of the ratio of axial length and external diameter, bimorph transducer motor in axial magnetic field all has obvious advantage in efficiency and unit Driving Torque, and bimorph transducer motor in axial magnetic field also has the advantages such as compact conformation, moment of inertia is little, stator winding heat dissipation condition is good for bimorph transducer radial magnetic field motor.But still there is many weak points in existing bimorph transducer motor in axial magnetic field, is embodied in a particular application:
1) existing bimorph transducer motor in axial magnetic field all adopts symmetrical structure, namely the structure of two stators of rotor both sides is symmetrical, and the function of two of rotor both sides stators is consistent (two stators of rotor both sides are all armature stators), like this, it must ensure that two stators control the consistency of electric current in the application, thus makes existing bimorph transducer motor in axial magnetic field in Current Control, there is larger difficulty;
2) torque density of existing bimorph transducer motor in axial magnetic field is by motor spatial limitation, be difficult to increase further again, so, the torque density of existing bimorph transducer motor in axial magnetic field is restricted, seriously limits the raising of bimorph transducer motor in axial magnetic field performance.
Summary of the invention
The object of the invention is to overcome above-mentioned the deficiencies in the prior art, provide bimorph transducer motor in axial magnetic field, which solve the problem that bimorph transducer motor in axial magnetic field Current Control difficulty is large, and improve the torque density of bimorph transducer motor in axial magnetic field further.
For achieving the above object, the technical solution used in the present invention is: bimorph transducer motor in axial magnetic field, comprise rotor, be located at the armature stator of the axial side of described rotor and be located at the energized stator of axial opposite side of described rotor, described armature stator comprises armature core and is located at armature winding on described armature core, and described energized stator comprises field core and several are convexly equipped in magnetic pole on described field core.
Preferably, described magnetic pole is be located at the permanent magnet on described field core; Or described magnetic pole comprises the excitation tooth be convexly equipped on described field core and the excitation winding be located on described excitation tooth.
Preferably, described excitation winding is less than or equal to described excitation tooth along the axially extended axial length of described field core along the axially extended axial length of described field core.
Preferably, described field core is tabular, and it has the first axle side towards described rotor and the second axle side back to described rotor, and described magnetic pole is convexly equipped on the first described axle side.
Particularly, described rotor comprises the rotor tooth that several are circumferentially separated setting.
Particularly, described armature core comprises armature yoke and several are convexly equipped in armature tooth on described armature yoke, and described armature winding is located on described armature tooth.
Preferably, described armature winding is less than or equal to described armature tooth along the axially extended axial length of described armature yoke along the axially extended axial length of described armature yoke.
Preferably, described armature yoke is tabular, and it has the 3rd axle side towards described rotor and the 4th axle side back to described rotor, and described armature tooth is convexly equipped on the 3rd described axle side.
Preferably, the quantity of described armature tooth is the integral multiple of three, and this integral multiple is more than or equal to one times.
Preferably, each described armature tooth is all provided with described armature winding; Or, only have the described armature tooth of part to be provided with described armature winding.
Bimorph transducer motor in axial magnetic field provided by the invention, by two stators of rotor both sides are set to asymmetric stator, and specifically two of rotor both sides stators are set to armature stator and energized stator respectively, thus make the function of two of rotor both sides stators not identical, like this, make armature stator and energized stator not need in the design to be strict with symmetrical configuration on the one hand, thus make the structural design of armature stator and energized stator more flexible; Making on the other hand armature stator, not identical with the control electric current of energized stator (the control electric current of armature stator is alternating current, energized stator can adopt the control electric current of permanent magnet excitation or energized stator to be direct current), effectively reduce the Current Control difficulty of bimorph transducer motor in axial magnetic field; Again on the one hand due in the operation of bimorph transducer motor in axial magnetic field, energized stator can produce excitation field, therefore, when rotor rotates, back electromotive force can be produced in armature winding, and this back electromotive force can produce power and torque with the armature supply effect of alternation on armature stator, and then increase the torque density of bimorph transducer motor in axial magnetic field, for the performance of bimorph transducer motor in axial magnetic field provides new solution.
Accompanying drawing explanation
Fig. 1 is the decomposing schematic representation of rotor, armature stator and the energized stator that the embodiment of the present invention one provides;
Fig. 2 is the structural representation of the armature core that the embodiment of the present invention one provides;
Fig. 3 is the structural representation of the energized stator that the embodiment of the present invention one provides;
Fig. 4 is the decomposing schematic representation of rotor, armature stator and the energized stator that the embodiment of the present invention two provides.
Embodiment
In order to make object of the present invention, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the present invention, be not intended to limit the present invention.
It should be noted that, when element is called as on " being fixed on " or " being arranged at " another element, it can directly on another element or may there is centering elements simultaneously.When an element is known as " connection " another element, it can be directly connect another element or may there is centering elements simultaneously.
Also it should be noted that, the orientation term such as left and right, upper and lower, the top in the present embodiment, end, is only relative concept or be reference with the normal operating condition of product each other, and should not be regarded as have restrictive.
Embodiment one:
As shown in Figures 1 to 3, the bimorph transducer motor in axial magnetic field that the embodiment of the present invention one provides, comprise rotor 1a, be located at the armature stator 2a of the axial side of rotor 1a and be located at the energized stator 3a of axial opposite side of rotor 1a, armature stator 2a comprises armature core 21a and is located at armature winding 22a on armature core 21a, and energized stator 3a comprises field core 31a and several are convexly equipped in magnetic pole 32a on field core 31a.The control electric current of armature stator 2a is alternating current, energized stator 3a is not arranged and controls electric current (energized stator 3a adopts permanent magnet excitation), namely the input current of armature winding 22a is alternating current, magnetic pole 32a does not establish input current, like this, because armature stator 2a is not identical with the control electric current of energized stator 3a, therefore it effectively reduces the Current Control difficulty of bimorph transducer motor in axial magnetic field.In the present embodiment, by two stators of rotor 1a both sides are set to asymmetric stator, and specifically two stators of rotor 1a both sides are set to armature stator 2a and energized stator 3a respectively, thus make the function of two stators of rotor 1a both sides not identical, like this, make armature stator 2a and energized stator 3a not need in the design to ask symmetrical configuration, thus make the structural design of armature stator 2a and energized stator 3a more flexible.Simultaneously, due in the operation of bimorph transducer motor in axial magnetic field, energized stator 3a can produce excitation field, therefore, when rotor 1a rotates, back electromotive force can be produced in armature winding 22a, and this back electromotive force can produce power and torque with the armature supply effect of alternation on armature stator 2a, and then increase the torque density of bimorph transducer motor in axial magnetic field, for the performance of bimorph transducer motor in axial magnetic field provides new solution.
Particularly, the rounded tabular of field core 31a, it has the first axle side 311a towards rotor 1a and the second axle side 312a back to rotor 1a, and on the first axle side 311a that magnetic pole 32a is convexly equipped in, and the polarity of the adjacent magnetic pole 32a of any two circumferences is all contrary.Magnetic pole 32a is only positioned at the axial side of field core 31a, and it is beneficial to the axial length reducing energized stator 3a, thus is beneficial to the volume reducing bimorph transducer motor in axial magnetic field and the efficiency improving bimorph transducer motor in axial magnetic field.
Preferably, magnetic pole 32a is located at the permanent magnet on field core 31a, in concrete production, after field core 31a and magnetic pole 32a individually manufactures, then is fixed on field core 31a by magnetic pole 32a; Wherein, field core 31a specifically by soft-magnetic composite material (SMC) compacting or can be formed by silicon steel plate stacking, and permanent magnet specifically can be made up of sintered neodymium iron boron material.In the present embodiment, the magnetic pole 32a of energized stator 3a directly adopts permanent magnet, like this, make energized stator 3a and armature stator 2a not identical on 26S Proteasome Structure and Function, and make energized stator 3a not need input control electric current in the course of the work, thus reduce the Current Control difficulty of bimorph transducer motor in axial magnetic field dramatically; Meanwhile, magnetic pole 32a and field core 31a split arrange by it, and make field core 31a adopt the slightly poor material of magnetic to make, and under the prerequisite ensureing field core 31a magnetic, can reduce the material cost of energized stator 3a further.
Particularly, rotor 1a comprises several rotor tooth 11a being circumferentially separated setting and the rotor field spider (not shown) for being connected each rotor tooth 11a, and rotor tooth 11a adopts permeability magnetic material to make, and rotor field spider adopts non-magnet material to make.The bimorph transducer motor in axial magnetic field that the present embodiment provides, also comprise rotating shaft (not shown) and casing (not shown) etc., each rotor tooth 11a is installed in rotating shaft by rotor field spider is fastening, the the first perforation 201a being provided with and wearing for rotating shaft is axially run through in the center of armature stator 2a, and the second perforation 301a being provided with and wearing for rotating shaft is axially run through in the center of energized stator 3a.
Particularly, rotor tooth 11a is preferably formed by the compacting of mould one by soft-magnetic composite material (SMC), like this, under the prerequisite fully ensureing rotor tooth 11a performance, the material cost of rotor tooth 11a can be reduced dramatically, thus be beneficial to bimorph transducer motor in axial magnetic field to low cost future development.Of course, in embody rule, rotor tooth 11a also can be formed by silicon steel plate stacking.
Preferably, armature core 21a comprises armature yoke 211a and several are convexly equipped in armature tooth 212a on armature yoke 211a, and each armature tooth 212a is along the circumferential direction evenly spacedly distributed, and armature winding 22a is sheathed or be set around on armature tooth 212a.In embody rule, armature yoke 211a and armature tooth 212a can manufacture in split, and wherein, armature yoke 211a specifically can be overrided to form by silicon steel sheet vertically, armature tooth 212a specifically can be made up of soft-magnetic composite material (SMC), and then by armature tooth 212a fixed armature yoke 211a; Or armature yoke 211a and armature tooth 212a also can integrally manufacture, and armature yoke 211a and armature tooth 212a specifically can be suppressed formed by mould one by soft-magnetic composite material.In bimorph transducer motor in axial magnetic field, soft-magnetic composite material is adopted to replace silicon steel sheet, under the prerequisite effectively ensureing armature core 21a performance, the material cost of armature core 21a can be reduced further, thus be beneficial to bimorph transducer motor in axial magnetic field to low cost future development.
Particularly, armature winding 22a specifically comprises several armature coils 221a, armature coil 221a is set on armature tooth 212a after can being formed by the independent coiling of enamelled wire again, the inner side of armature coil 221a has hollow endoporus 2211a, and armature coil 221a is closed by the card inserting of hollow endoporus 2211a and armature tooth 212a and realizes armature coil 221a be inserted in installation on armature tooth 212a; Or armature coil 221a also can be formed on armature tooth 212a by the direct coiling of enamelled wire.Insulating frame or dielectric film (not shown) also can be adopted between armature winding 22a and armature core 21a to insulate.
Preferably, the armature tooth that armature tooth 212a has the armature tooth outer end away from the center of armature yoke 211a and the center near armature yoke 211a is inner, radial distance between armature tooth outer end to armature yoke 211a center is less than the external diameter of armature yoke 211a, that is: armature tooth outer end is between the center of armature yoke 211a and the outward flange of armature yoke 211a, like this, be beneficial on the one hand the suit of armature winding 22a on armature tooth 21a or coiling, be beneficial to the radial dimension reducing armature stator 2a on the other hand, thus be beneficial to the volume reducing bimorph transducer motor in axial magnetic field and the efficiency improving bimorph transducer motor in axial magnetic field.
Preferably, armature winding 22a is less than or equal to armature tooth 212a along the axially extended axial length of armature yoke 211a along the axially extended axial length of armature yoke 211a, that is: the axial end of the axial end near rotor 1a of armature winding 22a and the close rotor 1a of armature tooth 212a is concordant; Or, the axial end near rotor 1a of armature winding 22a is along between the axial axial end near rotor 1a at armature tooth 212a and armature yoke 211a of armature stator 2a, like this, because armature winding 22a can not increase the axial dimension of armature stator 2a, therefore it is beneficial to the volume reducing bimorph transducer motor in axial magnetic field and the efficiency improving bimorph transducer motor in axial magnetic field.
Preferably, the rounded tabular of armature yoke 211a, it has the 3rd axle side 2111a towards rotor 1a and the 4th axle side 2112a back to rotor 1a, on the 3rd axle side 2111a that armature tooth 212a is convexly equipped in, armature tooth 212a and armature winding 22a is only positioned at the axial side of armature yoke 211a, armature winding 22a does not have overlapping part vertically, so be beneficial to the axial length reducing armature winding 22a.The axial length of armature winding 22a specifically refers to that the distance between the axial end of the close rotor 1a of armature winding 22a to the 3rd axle side 2111a, the axial length of armature tooth 212a specifically refer to the distance between the axial end of the close rotor 1a of armature tooth 212a to the 3rd axle side 2111a.
Preferably, the bimorph transducer motor in axial magnetic field that the present embodiment provides is three phase electric machine, the quantity of armature tooth 212a is the integral multiple of three, and this integral multiple is more than or equal to one times, and namely the quantity of armature tooth 212a can be the integral multiple of three, six, nine, 12,15 etc. three; The quantity of rotor tooth 12a can be arbitrary value; The number of poles (i.e. the quantity of magnetic pole 32a) of energized stator 3a also can be arbitrary value.In embody rule, the number of poles of the quantity of armature tooth 212a, the quantity of rotor tooth 12a and energized stator 3a can be optimized design according to the performance requirement of bimorph transducer motor in axial magnetic field.
Preferably, each armature tooth 212a is provided with armature winding 22a; Or, only have part armature tooth 212a to be provided with armature winding 22a.In embody rule, the quantity of armature winding 22a and distribution mode can be optimized design according to the performance requirement of bimorph transducer motor in axial magnetic field.
Particularly, the axle sidepiece away from armature yoke 211a of armature tooth 212a also can be convexly equipped with armature tooth boots (not shown), armature tooth 212a along armature core 21a axially between armature yoke 211a and armature tooth boots, now, by the interference of armature tooth boots, armature winding 22a can only directly be formed on armature tooth 212a in coiling, and suit mode can not be adopted to be installed on armature tooth 212a; Of course, the axle sidepiece away from armature yoke 211a of armature tooth 212a also can not be provided with armature tooth boots, and now, armature winding 22a both can adopt winding method to be formed on armature tooth 212a suit mode also can be adopted to be installed on armature tooth 212a.The end away from rotor 1a center of rotor tooth 12a can be provided with rotor tooth boots (not shown), of courses, and the end away from rotor 1a center of rotor tooth 12a also can not be provided with rotor tooth boots.
The bimorph transducer motor in axial magnetic field that the present embodiment provides, by two stators of rotor 1a both sides are set to armature stator 2a and energized stator 3a respectively, increase the torque density of bimorph transducer motor in axial magnetic field, reduce the volume of bimorph transducer motor in axial magnetic field, reduce the cost of bimorph transducer motor in axial magnetic field, and effectively reduce the Current Control difficulty of bimorph transducer motor in axial magnetic field and improve the efficiency of bimorph transducer motor in axial magnetic field.
Embodiment two:
As shown in Figure 4, identical with embodiment one is, the bimorph transducer motor in axial magnetic field that the present embodiment provides, also comprise rotor 1b, be located at the armature stator 2b of the axial side of rotor 1b and be located at the energized stator 3b of axial opposite side of rotor 1b, armature stator 2b comprises armature core 21b and is located at armature winding 22b on armature core 21b, and energized stator 3b comprises field core 31b and several are convexly equipped in magnetic pole 32b on field core 31b; And the main difference part of the present embodiment and embodiment one is the design of energized stator 3b, be embodied in: the magnetic pole 32a in embodiment one is located at the permanent magnet on field core 31a, and energized stator 3a does not need input control electric current in the course of the work; And in the present embodiment, magnetic pole 32b comprises the control electric current being convexly equipped in excitation tooth 321b on field core 31b and excitation winding 322b that is sheathed or that be set around on excitation tooth 321b, energized stator 3b and needing input direct-current in the course of the work.In the present embodiment, the control electric current inputted due to armature stator 2b is alternating current, the control electric current that energized stator 3b inputs is direct current, therefore, armature stator 2b is not identical with the control electric current of energized stator 3b yet, thus it also effectively can reduce the Current Control difficulty of bimorph transducer motor in axial magnetic field.Simultaneously, due in the operation of bimorph transducer motor in axial magnetic field, when in excitation winding 322b during input direct-current electric current, energized stator 3b can produce excitation field, therefore when rotor 1b rotates, it also can produce back electromotive force in armature winding 22b, and this back electromotive force can produce power and torque with the armature supply effect of alternation on armature stator 2b, and then also reach the object increasing bimorph transducer motor in axial magnetic field torque density.
Preferably, the excitation tooth that excitation tooth 321b has the excitation tooth outer end away from the center of field core 31b and the center near field core 31b is inner, radial distance between excitation tooth outer end to field core 31b center is less than the external diameter of field core 31b, that is: excitation tooth outer end along the radial direction of field core 31b between the center of field core 31b and the outward flange of field core 31b, like this, be beneficial on the one hand the suit of excitation winding 322b on excitation tooth 321b or coiling, be beneficial to the radial dimension reducing energized stator 3b on the other hand, thus be beneficial to the volume reducing bimorph transducer motor in axial magnetic field and the efficiency improving bimorph transducer motor in axial magnetic field.
Preferably, excitation winding 322b is less than or equal to excitation tooth 321b along the axially extended axial length of field core 31b along the axially extended axial length of field core 31b, like this, excitation winding 322b can not increase the axial dimension of energized stator 3b, thus is beneficial to the volume reducing bimorph transducer motor in axial magnetic field and the efficiency improving bimorph transducer motor in axial magnetic field.
More preferably, in order to reduce bimorph transducer motor in axial magnetic field production cost, improve parts interchangeability and be convenient to the production in enormous quantities manufacture of parts, in the present embodiment, armature stator 2b and energized stator 3b can be designed to identical structure, like this, aborning, armature stator 2b and energized stator 3b can be used as same parts and manufactures, and only the control electric current of the control electric current of armature stator 2b and energized stator 3b need be set to difference when controlling.
Except the design difference of above-mentioned energized stator 3b, the design principle of other structures of the bimorph transducer motor in axial magnetic field that the present embodiment provides is all identical with embodiment one, is not described in detail in this.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, all any amendments done within the spirit and principles in the present invention, equivalent replacement or improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. bimorph transducer motor in axial magnetic field, it is characterized in that: comprise rotor, be located at the armature stator of the axial side of described rotor and be located at the energized stator of axial opposite side of described rotor, described armature stator comprises armature core and is located at armature winding on described armature core, and described energized stator comprises field core and several are convexly equipped in magnetic pole on described field core.
2. bimorph transducer motor in axial magnetic field as claimed in claim 1, is characterized in that: described magnetic pole is be located at the permanent magnet on described field core; Or described magnetic pole comprises the excitation tooth be convexly equipped on described field core and the excitation winding be located on described excitation tooth.
3. bimorph transducer motor in axial magnetic field as claimed in claim 2, is characterized in that: described excitation winding is less than or equal to described excitation tooth along the axially extended axial length of described field core along the axially extended axial length of described field core.
4. the bimorph transducer motor in axial magnetic field as described in any one of claims 1 to 3, it is characterized in that: described field core is tabular, it has the first axle side towards described rotor and the second axle side back to described rotor, and described magnetic pole is convexly equipped on the first described axle side.
5. the bimorph transducer motor in axial magnetic field as described in any one of claims 1 to 3, is characterized in that: described rotor comprises the rotor tooth that several are circumferentially separated setting.
6. the bimorph transducer motor in axial magnetic field as described in any one of claims 1 to 3, is characterized in that: described armature core comprises armature yoke and several are convexly equipped in armature tooth on described armature yoke, and described armature winding is located on described armature tooth.
7. bimorph transducer motor in axial magnetic field as claimed in claim 6, is characterized in that: described armature winding is less than or equal to described armature tooth along the axially extended axial length of described armature yoke along the axially extended axial length of described armature yoke.
8. bimorph transducer motor in axial magnetic field as claimed in claim 6, it is characterized in that: described armature yoke is tabular, it has the 3rd axle side towards described rotor and the 4th axle side back to described rotor, and described armature tooth is convexly equipped on the 3rd described axle side.
9. bimorph transducer motor in axial magnetic field as claimed in claim 6, is characterized in that: the quantity of described armature tooth is the integral multiple of three, and this integral multiple is more than or equal to one times.
10. bimorph transducer motor in axial magnetic field as claimed in claim 6, is characterized in that: each described armature tooth is all provided with described armature winding; Or, only have the described armature tooth of part to be provided with described armature winding.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510097213.5A CN104682641A (en) | 2015-03-04 | 2015-03-04 | Double-stator axial magnetic field motor |
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| CN201510097213.5A CN104682641A (en) | 2015-03-04 | 2015-03-04 | Double-stator axial magnetic field motor |
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| CN106374709A (en) * | 2016-10-31 | 2017-02-01 | 广东威灵电机制造有限公司 | Motor |
| CN106451967A (en) * | 2016-10-31 | 2017-02-22 | 广东威灵电机制造有限公司 | Motor |
| CN110138165A (en) * | 2019-04-22 | 2019-08-16 | 江苏大学 | A kind of composite magnetic circuit stator partition type axial permanent magnetic motor |
| CN111064333A (en) * | 2020-02-18 | 2020-04-24 | 福州大学 | Axial magnetic field flux switching permanent magnet motor with adjustable effective permanent magnet poles |
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| CN110138165B (en) * | 2019-04-22 | 2021-02-12 | 江苏大学 | Composite magnetic circuit stator split type axial permanent magnet motor |
| CN110138165A (en) * | 2019-04-22 | 2019-08-16 | 江苏大学 | A kind of composite magnetic circuit stator partition type axial permanent magnetic motor |
| CN112401692A (en) * | 2019-08-23 | 2021-02-26 | 广东美的生活电器制造有限公司 | Food processing device, control method and control system thereof, and readable storage medium |
| CN111181341A (en) * | 2020-02-18 | 2020-05-19 | 福州大学 | Double-salient permanent magnet motor with adjustable number of effective permanent magnet poles |
| CN111064333A (en) * | 2020-02-18 | 2020-04-24 | 福州大学 | Axial magnetic field flux switching permanent magnet motor with adjustable effective permanent magnet poles |
| CN112311181A (en) * | 2020-10-29 | 2021-02-02 | 东南大学 | Disk type motor with adjustable split stator magnetic field |
| CN112688516A (en) * | 2020-12-29 | 2021-04-20 | 福州大学 | Permanent magnet surface-mounted stator permanent magnet type axial magnetic field permanent magnet motor |
| CN112688517A (en) * | 2020-12-29 | 2021-04-20 | 福州大学 | Mixed excitation axial magnetic field permanent magnet motor |
| CN112688515A (en) * | 2020-12-29 | 2021-04-20 | 福州大学 | Magnetic flux switching type axial magnetic field permanent magnet motor |
| CN112688517B (en) * | 2020-12-29 | 2021-11-02 | 福州大学 | Mixed excitation axial magnetic field permanent magnet motor |
| CN112688515B (en) * | 2020-12-29 | 2023-11-28 | 福州大学 | Magnetic flux switching type axial magnetic field permanent magnet motor |
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