CN208589818U - A magnetic flux reverse claw pole motor assembly - Google Patents

A magnetic flux reverse claw pole motor assembly Download PDF

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Publication number
CN208589818U
CN208589818U CN201821189761.6U CN201821189761U CN208589818U CN 208589818 U CN208589818 U CN 208589818U CN 201821189761 U CN201821189761 U CN 201821189761U CN 208589818 U CN208589818 U CN 208589818U
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pole
claw
motor
permanent magnet
magnetic flux
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CN201821189761.6U
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刘成成
马金光
汪友华
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Hebei University of Technology
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Hebei University of Technology
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Abstract

The utility model discloses a kind of flux-reversal claw-pole motor component, permanent magnet, the permanent magnet and rotor core of the direction of magnetization radially inward including stator core, armature winding, the direction of magnetization radially;The stator core is made of the preceding pawl pole of stator yoke and rear pawl pole, between pawl pole and stator yoke, stator core is made of armature winding soft-magnetic composite material, has three-dimensional magnetic structure, rotor core is built up by silicon steel, has high robust and manufacture is more easier;Permanent magnet Surface Mount, in the following, the motor has the advantages of claw-pole motor and magnetic flux reverse motor, has high power density, high efficiency, high robust, strong antijamming capability and the manufacture due to high modularization, so that cost is relatively low for the motor in pawl pole.

Description

A kind of flux-reversal claw-pole motor component
Technical field
The utility model relates to technical field of motors, more particularly to a kind of flux-reversal claw-pole motor component.
Background technique
In the past period, since claw-pole motor has the characteristic of three dimensional flux paths, be difficult by silicon steel plate packing and At being mainly used in the straight drive system of low speed high torque at that time so its application is not extensive.And with soft-magnetic composite material Development, the manufacture of claw-pole motor becomes to be relatively easy to, and cost of manufacture constantly reduces, and operational reliability gets a promotion.But it passes The claw-pole motor leakage field of system is larger, therefore power density and efficiency are all lower, has certain shortcoming.
As a kind of novel permeability magnetic material, soft-magnetic composite material have the advantages that compared with traditional silicon steel sheet it is certain, Such as it is with the advantages that magnetic and hot isotropism, high frequency eddy current losses are low, and stock utilization is high, and dimensional accuracy is high, therefore The material is widely used in the motor with three-dimensional magnetic structure.
Flux-reversal claw-pole motor is the mixture of claw-pole motor and magnetic flux reverse motor, and permanent magnet is placed on claw pole stator Surface, using radial magnetizing.With the rotation of rotor, bipolarity variation occurs for the magnetic linkage that stator winding is interlinked.
Document CN200910135921 is typical pawl pole alternating current generator, and the stator and armature winding of the motor are using biography Unite the structure type of three phase alternating current motor, rotor be pawl pole magnetic core manufacture using cast iron and overall situation Circular Winding excitation around Group, the motor have the characteristics that structure is simple.However due to its former efficiency of the pawl pole magnetic core for using electrical excitation and cast iron manufacture It is lower.With the gradually development of SMC material, SMC replacement cast iron materials can be used to reduce the eddy-current loss of motor and improve electricity The efficiency of machine.Document CN102570647A is a kind of magnetic flux reverse motor of composite excitation, and the magnetic flux reverse motor is due to using The method that permanent magnet is mounted on to the stator of motor, rotor only by silicon steel sheet group at;Permanent magnet, which is mounted on stator, is easy to shape At strong magnetic-assemblying structure, rotor only by silicon steel sheet group at the robustness for improving motor, but its stator core using silicon steel plate stacking and At, so that electrical excitation winding placement is difficult, motor manufacturing higher cost.A kind of flux-reversal claw-pole motor of this patent design Component has had both claw-pole motor since it uses three dimensional flux paths, and higher compared to its torque density of other motors, performance is more preferable The advantages of and magnetic flux reverse motor structure it is simple, the advantages of mechanical strength is good and high power density.
Utility model content
In view of the deficiencies of the prior art, the utility model provides a kind of flux-reversal claw-pole motor component, is assembled into Flux-reversal claw-pole motor has the advantages of claw-pole motor and magnetic flux reverse motor, has high power density, high efficiency, Gao Lu Stick, strong antijamming capability and the manufacture due to high modularization, so that cost is relatively low for the motor.
The stator core of the utility model is made of stator yoke, preceding pawl pole and rear pawl pole, preceding pawl pole row opposite with rear pawl pole It cloth and is staggered, front and back pawl pole pole-face thickness is equal, and armature winding is annular concentratred winding and is located at pawl pole pole-face and fixed Between sub- yoke portion, permanent magnet Surface Mount under pawl pole lower surface, same pawl pole face permanent magnet magnetizing direction on the contrary, under adjacent pawl pole Adjacent permanent magnet magnetizing direction is identical.This claw-pole motor stator core is made of soft-magnetic composite material, has three-dimensional magnetic structure, Rotor core is built up by silicon steel, has high robust and manufacture is more easier, this claw-pole motor is provided simultaneously with traditional pawl pole electricity The advantages of machine and magnetic flux reverse motor, has the advantages of high efficiency, high power density.
The technical solution that the utility model solves the technical problem is to design a kind of flux-reversal claw-pole motor component, It is characterised in that it includes stator core, armature winding, the direction of magnetization permanent magnet radially, the direction of magnetization radially to Interior permanent magnet and rotor core;The stator core is made of stator yoke, preceding pawl pole and rear pawl pole, preceding pawl pole and rear solid end interpolar Every, unconnected inside for being distributed in stator yoke, preceding pawl pole is identical with the structure of rear pawl pole and quantity is identical, is and stator yoke axle It is cambered surface to parallel face and is provided with the structure with the consistent protrusion of its terminal end shape on the radial face along stator yoke, it is preceding Protrusion direction in pawl pole and rear pawl pole on the contrary, and preceding pawl pole and rear pawl pole in the same side in the radial direction along stator yoke Face is in the same plane, and an annular space is constituted between preceding pawl pole and the inner surface of protrusion and stator yoke in rear pawl pole; The armature winding is annular concentratred winding, is set to structure between preceding pawl pole and the inner surface of protrusion and stator yoke in rear pawl pole At annular space in;
Preceding pawl pole and rear pawl pole are provided with a permanent magnet assembly, the permanent magnetism on its axial face along stator yoke Body component includes the permanent magnet of permanent magnet and a direction of magnetization radially inward of a direction of magnetization radially, adjacent Adjacent permanent magnet magnetizing direction under pawl pole is identical;Direction of magnetization permanent magnet radially and the direction of magnetization are radially inward Permanent magnet it is of same size;
The rotor core is the structure that an annular construction member periphery is evenly distributed with rectangular preiection, the number and fore paw of rectangular preiection The sum of the quantity of pole and rear pawl pole is equal;Rotor core is installed on the inside of stator core, and its axially symmetric line and stator iron The axially symmetric line of the stator yoke of core is overlapped.
Compared with prior art, the utility model beneficial effect is: the utility model uses soft magnetism due to stator core Composite material, motor have three-dimensional magnetic structure, effectively improve power of motor density, reduce armature ohmic loss, improve electric efficiency; Rotor core is formed by silicon steel plate packing, and mechanical strength is higher, can be realized high-speed cruising and robustness is preferable.The utility model Magnetic flux reverse motor is combined with claw-pole motor, compensates for that claw-pole motor leakage field is larger, efficiency and power density is low lacks Point.
The utility model by special structure enable the motor have both simultaneously claw-pole motor, magnetic flux reverse motor it is excellent Point.Since rotor is only made of silicon steel sheet, maximum speed is much higher than the maximum speed of conventional permanent magnet motor and claw-pole motor.By In using soft-magnetic composite material make stator core, core loss under the running frequency of 300Hz or more far below now with The core loss of motor, therefore its efficiency under high-speed cruising is higher.It is with high-efficient, power density compared with prior art Height, high reliability.
Detailed description of the invention
Fig. 1 is the first equilbrium position of the utility model flux-reversal claw-pole motor component structural schematic diagram;
Fig. 2 is structural representation when the utility model flux-reversal claw-pole motor component armature winding resultant flux is positive maximum Figure;
Fig. 3 is the second equilbrium position of the utility model flux-reversal claw-pole motor component structural schematic diagram;
Fig. 4 is structural representation when the utility model flux-reversal claw-pole motor component armature winding resultant flux is reversely maximum Figure;
Fig. 5 is flux-reversal pawl pole three-phase motor component structure diagram made from the utility model method;
Fig. 6 is the utility model flux-reversal claw-pole motor component stator core construction schematic diagram;
Fig. 7 is the utility model flux-reversal claw-pole motor component rotor core structure schematic diagram;
In figure: 1- stator core;2- armature winding;The permanent magnet of the 3- direction of magnetization radially;4- direction of magnetization edge Radially inward permanent magnet;5- rotor core.
Specific embodiment
Specific embodiment of the utility model is given below.Specific embodiment is only used for being further described originally practical new Type does not limit the protection scope of the claim of this application.
The utility model provides a kind of flux-reversal claw-pole motor component (referring to Fig. 1-7), including stator core 1, armature Permanent magnet 3, the permanent magnet 4 and rotor core 5 of the direction of magnetization radially inward of winding 2, the direction of magnetization radially;It is described Stator core 1 is made of stator yoke 11, preceding pawl pole 12 and rear pawl pole 13, and preceding pawl pole 12 and rear pawl pole 13 are spaced, are unconnected equal It is distributed in the inside of stator yoke, preceding pawl pole 12 is identical with the structure of rear pawl pole 13 and quantity is identical, is axially parallel with stator yoke Face is cambered surface and is provided with the structure with the consistent protrusion of its terminal end shape on the radial face along stator yoke, preceding pawl pole 12 and Afterwards the protrusion direction in pawl pole 13 on the contrary, and preceding pawl pole 12 and rear pawl pole 13 in the same side in the radial direction along stator yoke Face is in the same plane, and it is empty that an annular is constituted between preceding pawl pole 12 and the inner surface of protrusion and stator yoke in rear pawl pole 13 Gap.The armature winding 2 is annular concentratred winding, be set to preceding pawl pole 12 with it is raised interior with stator yoke 11 in rear pawl pole 13 In the annular space constituted between surface.
Preceding pawl pole 12 is provided with a permanent magnet assembly on its axial face along stator yoke with rear pawl pole 13, described Permanent magnet assembly includes the permanent magnet of permanent magnet 3 and a direction of magnetization radially inward of a direction of magnetization radially 4, the adjacent permanent magnet magnetizing direction under adjacent pawl pole is identical.Direction of magnetization permanent magnet 3 radially and direction of magnetization edge Radially inward permanent magnet 4 it is of same size.
The rotor core 5 is the structure that an annular construction member periphery is evenly distributed with rectangular preiection, and the number of rectangular preiection is with before The sum of the quantity of pawl pole 12 and rear pawl pole 13 is equal.Rotor core 5 is installed on the inside of stator core 1, and its axially symmetric line It is overlapped with the axially symmetric line of the stator yoke 11 of stator core 1.
The stator core 1 is made of soft-magnetic composite material;The rotor core 5 is formed by silicon steel plate packing;The magnetic Change the permanent magnet 4 of permanent magnet 3 and the direction of magnetization radially inward of direction radially and uses NdFeB material.
The conventional fitments such as the utility model flux-reversal claw-pole motor component cooperation electric motor end cap, armature spindle can be assembled into Flux-reversal claw-pole motor.
Flux-reversal claw-pole motor component as described above cooperates electric motor end cap, armature spindle to constitute a monophase machine, It multiple can cooperate and be combined into polyphase machine.When three flux-reversal claw-pole motor components as described above assemble simultaneously, three The position angle of rotor core 5 successively differs 120 °, and installation is every magnetic device, cooperation between the reversed claw-pole motor component of adjacent flux Electric motor end cap, armature spindle constitute flux-reversal pawl pole three-phase motor.
The working principle and workflow of the utility model are: position shown in Fig. 1 is an equilbrium position, is turned in this position The rectangular preiection of sub- iron core 5 aligns with two pieces of permanent magnet cut-off rules under same pawl pole, is established by the permanent magnet under each pawl pole The magnetic flux to get up forms symmetrical magnetic field by stator core each section, therefore is zero with the magnetic linkage of 2 intersecting chain of armature winding, forever The synthesis torque that magnet provides rotor core 5 is also zero.
Position shown in Fig. 2 is winding resultant flux forward direction maximum position, in the rectangular preiection of this position rotor iron core 5 and same One piece of permanent magnet 3 under one pawl pole aligns, and the magnetic flux set up by the permanent magnet under each pawl pole is by permanent magnet, fore paw Pole, stator yoke, rear pawl pole, rotor tooth, rotor yoke, air gap forming circuit, resultant flux reach maximum value.
Position shown in Fig. 3 is the second equilbrium position, is again zero in the magnetic linkage of this position and 2 intersecting chain of armature winding, forever Magnet is also reduced to zero to the synthesis torque that rotor provides again.
Position shown in Fig. 4 is the reversed maximum position of winding resultant flux, in the rectangular preiection of this position rotor iron core 5 and same One piece of permanent magnet 4 under one pawl pole aligns, and the magnetic flux set up by the permanent magnet under each pawl pole is by permanent magnet, rear solid end Pole, stator yoke, preceding pawl pole, rotor tooth, rotor yoke, air gap forming circuit, resultant flux reach reversed maximum value.
Fig. 1 to Fig. 4 show stator winding resultant flux situation of change within an electric period.The armature winding 2 In magnetic linkage and electric current all change with the change of rotor-position in bipolarity, and then induced ambipolar electromotive force, thus With high power density.
Shown in Fig. 5, the utility model method can be assembled into flux-reversal pawl pole three-phase motor, and complete three-phase motor is It is axially installed by three monophase machines, installation principle is that the rotor core of monophase machine is staggered 120 between each other Electrical angle is spent, rest part is constant, symmetrical three-phase motor structure can be thus formed, to reduce interphase interference, adjacent phase Installation is every magnetic device between motor module.
Shown in Fig. 6, the stator core 1 is made of stator yoke 11, preceding pawl pole 12 and rear pawl pole 13 and all using soft magnetism Composite material, the pawl of front and back pawl pole refer to that number is identical, and pole-face width and thickness is equal, and circumferentially there are certain for front and back pawl pole Air gap.
The utility model does not address place and is suitable for the prior art.

Claims (6)

1.一种磁通反向爪极电机组件,其特征在于,包括定子铁芯、电枢绕组、磁化方向沿径向向外的永磁体、磁化方向沿径向向内的永磁体和转子铁芯;所述定子铁芯由定子轭、前爪极和后爪极构成,前爪极和后爪极间隔、不连接的均布于定子轭的内侧,前爪极和后爪极的结构相同且数量相同,为与定子轭轴向平行的面为弧面且在沿定子轭的径向的面上设置有与其末端形状一致的凸起的结构,前爪极与后爪极上的凸起方向相反,且前爪极与后爪极在沿定子轭的径向方向上的同一侧的面位于同一平面上,前爪极与后爪极上的凸起与定子轭的内表面之间构成一个环形空隙;所述电枢绕组为环形集中绕组,设置于前爪极与后爪极上的凸起与定子轭的内表面之间构成的环形空隙内;1. A magnetic flux reverse claw-pole motor assembly is characterized in that, comprising a stator core, an armature winding, a permanent magnet whose magnetization direction is radially outward, a permanent magnet whose magnetization direction is radially inward, and a rotor iron Core; the stator iron core is composed of a stator yoke, a front claw pole and a rear claw pole. The front claw pole and the rear claw pole are spaced apart and evenly distributed on the inner side of the stator yoke. The structure of the front claw pole and the rear claw pole is the same. And the number is the same, it is a structure in which the surface parallel to the axial direction of the stator yoke is an arc surface and the surface along the radial direction of the stator yoke is provided with a convex structure consistent with the shape of its end. The protrusions on the front claw pole and the rear claw pole are The directions are opposite, and the faces of the front claw pole and the rear claw pole on the same side in the radial direction of the stator yoke are located on the same plane, and the protrusions on the front claw pole and the rear claw pole are formed between the inner surface of the stator yoke and the stator yoke. an annular gap; the armature winding is an annular concentrated winding, which is arranged in the annular gap formed between the protrusions on the front claw pole and the rear claw pole and the inner surface of the stator yoke; 前爪极与后爪极在其沿定子轭的轴向的面上均设置有一个永磁体组件,所述永磁体组件包括一个磁化方向沿径向向外的永磁体和一个磁化方向沿径向向内的永磁体,相邻爪极下的相邻永磁体充磁方向相同;磁化方向沿径向向外的永磁体和磁化方向沿径向向内的永磁体的宽度相同;The front claw pole and the rear claw pole are both provided with a permanent magnet assembly on their faces along the axial direction of the stator yoke, and the permanent magnet assembly includes a permanent magnet whose magnetization direction is radially outward and a magnetization direction is radially outward. For the inward permanent magnets, the adjacent permanent magnets under the adjacent claw poles have the same magnetization direction; the permanent magnets with the magnetization direction radially outward and the magnetization direction radially inward have the same width; 所述转子铁芯为一个环形构件外周均布矩形凸起的结构,矩形凸起的个数与前爪极和后爪极的数量之和相等;转子铁芯安装于定子铁芯的内部,且其轴向对称线与定子铁芯的定子轭的轴向对称线重合。The rotor iron core is a structure in which rectangular protrusions are evenly distributed on the outer circumference of the annular member, and the number of the rectangular protrusions is equal to the sum of the number of the front claw poles and the rear claw poles; the rotor iron core is installed inside the stator iron core, and Its axial line of symmetry coincides with the axial line of symmetry of the stator yoke of the stator core. 2.根据权利要求1所述的一种磁通反向爪极电机组件,其特征在于,所述定子铁芯由软磁复合材料构成。2 . The magnetic flux reversal claw-pole motor assembly according to claim 1 , wherein the stator core is made of soft magnetic composite material. 3 . 3.根据权利要求1所述的一种磁通反向爪极电机组件,其特征在于,所述转子铁芯由硅钢片叠制而成。3 . The magnetic flux reversal claw-pole motor assembly according to claim 1 , wherein the rotor core is formed by stacking silicon steel sheets. 4 . 4.根据权利要求1所述的一种磁通反向爪极电机组件,其特征在于,所述磁化方向沿径向向外的永磁体和磁化方向沿径向向内的永磁体采用钕铁硼材料。4 . The magnetic flux reversal claw-pole motor assembly according to claim 1 , wherein the permanent magnets whose magnetization direction is radially outward and the permanent magnet whose magnetization direction is radially inward are neodymium iron. 5 . boron material. 5.根据权利要求1所述的一种磁通反向爪极电机组件,其特征在于,所述的磁通反向爪极电机组件配合电机端盖、转子轴构成一个单相电机。5 . The magnetic flux reversing claw-pole motor assembly according to claim 1 , wherein the magnetic flux reversing claw-pole motor assembly cooperates with the motor end cover and the rotor shaft to form a single-phase motor. 6 . 6.根据权利要求1所述的一种磁通反向爪极电机组件,其特征在于,三个所述的磁通反向爪极电机组件同时装配,三个转子铁芯的位置角度依次相差120°,相邻磁通反向爪极电机组件之间安装隔磁装置,配合电机端盖、转子轴,构成磁通反向爪极三相电机。6 . The magnetic flux reversing claw-pole motor assembly according to claim 1 , wherein three of the magnetic flux reversing claw-pole motor assemblies are assembled at the same time, and the position angles of the three rotor cores are different in sequence. 7 . At 120°, a magnetic isolation device is installed between adjacent magnetic flux reverse claw pole motor components, and cooperates with the motor end cover and rotor shaft to form a magnetic flux reverse claw pole three-phase motor.
CN201821189761.6U 2018-07-26 2018-07-26 A magnetic flux reverse claw pole motor assembly Withdrawn - After Issue CN208589818U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201821189761.6U CN208589818U (en) 2018-07-26 2018-07-26 A magnetic flux reverse claw pole motor assembly

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Application Number Priority Date Filing Date Title
CN201821189761.6U CN208589818U (en) 2018-07-26 2018-07-26 A magnetic flux reverse claw pole motor assembly

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109004777A (en) * 2018-07-26 2018-12-14 河北工业大学 A kind of flux-reversal claw-pole motor component
CN116155053A (en) * 2023-02-28 2023-05-23 山东理工大学 Brushless Reverse Claw Pole Electric Excitation Generator for Automobile

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109004777A (en) * 2018-07-26 2018-12-14 河北工业大学 A kind of flux-reversal claw-pole motor component
CN109004777B (en) * 2018-07-26 2024-07-16 河北工业大学 Magnetic flux reverse claw pole motor assembly
CN116155053A (en) * 2023-02-28 2023-05-23 山东理工大学 Brushless Reverse Claw Pole Electric Excitation Generator for Automobile

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