CN109302027A - Transverse flux motor - Google Patents
Transverse flux motor Download PDFInfo
- Publication number
- CN109302027A CN109302027A CN201811288029.9A CN201811288029A CN109302027A CN 109302027 A CN109302027 A CN 109302027A CN 201811288029 A CN201811288029 A CN 201811288029A CN 109302027 A CN109302027 A CN 109302027A
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- Prior art keywords
- stator
- tooth
- yoke
- stator yoke
- stator tooth
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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
-
- 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
- H02K1/146—Stator cores with salient poles consisting of a generally annular yoke 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
- H02K1/22—Rotating parts of the magnetic circuit
- H02K1/27—Rotor cores with permanent magnets
- H02K1/2793—Rotors axially facing stators
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K16/00—Machines with more than one rotor or stator
- H02K16/02—Machines with one stator and two or more rotors
- H02K16/025—Machines with one stator and two or more rotors with rotors and moving stators connected in a cascade
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Iron Core Of Rotating Electric Machines (AREA)
Abstract
The present invention provides a kind of transverse flux motors, it include: stator, the first rotor and the second rotor, stator includes stator yoke, multiple first stator tooths and multiple second stator tooths, stator yoke along multiple stator yoke punchings that axial direction laminates by forming, each first stator tooth and each second stator tooth are made of the identical stator tooth punching of the multiple shapes radially laminated, and the first stator tooth and the second stator tooth are fixed on stator yoke along axial two sides；The first rotor and the second rotor are divided into stator along axial two sides, and the first rotor includes the first back iron and multiple first permanent magnets along axial charging；Second rotor includes the second back iron and multiple second permanent magnets along axial charging, the first permanent magnet and the second permanent magnet mirror symmetry.Transverse flux motor provided by the invention not only simplifies production technology, but also improves power of motor density；By designing lateral magnetic structure, motor electricity, magnetic decoupling are realized, groove area is no longer by the constraint of magnetic loading.
Description
Technical field
The present invention relates to technical field of motors, in particular to a kind of transverse flux motor.
Background technique
With being gradually increased for environmental consciousness, electric efficiency obtains higher and higher concern.From the point of view of design of electrical motor angle,
The iron loss of motor is decided by magnetic induction, directly related with the stator facewidth；The copper loss of motor is decided by winding resistance, with groove width
(area) is related.For traditional structure motor, groove width and the facewidth are two variables mutually restricted, in the premise that shape is fixed
Under, it is unable to satisfy the two while optimizing, and transverse flux motor is electric load and magnetic loading crossing decoupling, is no longer asked in the presence of restriction
Topic, can be substantially improved electric efficiency.
Although transverse flux motor have electromagnetic decoupling, high-efficient feature, its magnetic structure cause stator punching without
Method reduces eddy-current loss along axial lamination and all there is punching technique no matter from tangentially or radially lamination is carried out to stator core
Complexity is difficult to the problems such as coiling, and the engineering for constraining transverse flux permanent magnetic motor is promoted.
Summary of the invention
Present invention seek to address that at least one above-mentioned technical problem.
For this purpose, the object of the present invention is to provide a kind of transverse flux motors.
To achieve the goals above, technical solution of the present invention provides a kind of transverse flux motor, comprising: stator, institute
Stator is stated using tooth, yoke separated structure, including stator yoke, multiple first stator tooths and multiple second stator tooths, multiple described the
One stator tooth and multiple second stator tooths along the stator yoke be provided at circumferentially spaced and it is relatively fixed in the stator
Yoke is along axial two sides, and the stator yoke along multiple stator yoke punchings that axial direction laminates by forming, each first stator tooth
And each second stator tooth is made of the identical stator tooth punching of the multiple shapes radially laminated；With the first rotor and
Second rotor is divided into the stator along axial two sides, and the first rotor includes the first back iron and is sequentially arranged in the circumferential direction.
Multiple first permanent magnets, for first permanent magnet along axial charging, the polarity of adjacent first permanent magnet is different；It is described
Second rotor includes the second back iron and multiple second permanent magnets being sequentially arranged in the circumferential direction., and second permanent magnet is filled along axial direction
The polarity of magnetic, adjacent second permanent magnet is different, and first permanent magnet and the second permanent magnet mirror symmetry, axis
The plane of symmetry of first permanent magnet and second permanent magnet to same position has identical polar.
The transverse flux motor that above-mentioned technical proposal of the present invention provides, by designing lateral magnetic structure, realize motor electricity,
Magnetic decoupling, groove area are no longer influenced by the constraint of magnetic loading；Stator uses tooth, yoke separated structure, the first stator tooth and the second stator
Tooth radially lamination, can significant increase transverse flux motor manufacturability, radially the first stator of lamination
Each stator tooth punching shape of tooth and the second stator tooth is consistent, greatly reduces the complex process degree of punching, guarantees large quantities of
The efficiency of amount manufacture production；The in axial direction stator yoke of lamination, significant increase transverse flux motor manufacturability simultaneously,
The power density for improving motor, compared with existing transverse flux motor, using the electric machine structure of this isolated stator yoke
It can promote 13% or so；Pass through the polarity of two rotors of design and the plane of symmetry of corresponding two permanent magnets of two rotor axials
It is identical, and magnetic flux aggregation is carried out by shared stator yoke, existing power of motor density can be greatly improved, in determining for above-mentioned separation
On the basis of the electric machine structure of sub- yoke, 17% left side can be promoted using magneticfocusing transverse flux motor structural behaviour designed by this programme
The effect of power of motor density to reach the production technology of not only simplified motor, but also is improved in the right side.
Specifically, the lamination direction of the first stator tooth and the second stator tooth is orthogonal with the lamination direction of stator yoke, and first
The magnetic direction of stator tooth and the second stator tooth is radially distributed, flat with the first stator tooth of radial lamination and the second stator tooth
Row, the magnetic direction of stator yoke is axially distributed, parallel with the stator yoke of axial lamination；Two axially opposing polarity are identical
Permanent magnet formed magnetic field, enter stator tooth by air gap, axially opposing stator tooth magnetic direction is different；Axial two phases
Pair permanent magnet generate magnetic field share stator yoke connection, i.e., summarized by stator yoke, and with stator winding linkage, by two sides
Stator tooth conducting magnetic loop is finally constituted with the anisotropic permanent magnet of axial identical faces, what the first permanent magnet of the first rotor generated
Field circuit is fixed followed by: first permanent magnet → air gap → mono- first between the first permanent magnet and the first stator tooth
The air gap of stator yoke → another first stator tooth of sub- tooth → shared → between the first stator tooth and the first permanent magnet → another
A first permanent magnet → the first back iron, axially opposing bitrochanteric second permanent magnetism with the first permanent magnet of above-mentioned the first rotor
The field circuit that body generates followed by: second permanent magnet → between the second permanent magnet and the second stator tooth air gap → mono-
The gas of stator yoke → another second stator tooth of a second stator tooth → shared → between the second stator tooth and the second permanent magnet
Gap → another second permanent magnet → second back iron carries out magnetic flux aggregation by shared stator yoke, turns compared to setting one
The scheme of son, can be greatly improved power of motor density, to improve transverse flux motor structural behaviour.
In addition, the transverse flux motor provided in above-mentioned technical proposal of the present invention can also have following supplementary technology special
Sign:
In the above-mentioned technical solutions, it is preferable that the stator includes stator winding, and the stator winding includes the first stator
Winding and the second stator winding are arranged with first stator winding on each first stator tooth, and each described second is fixed
Second stator winding is arranged on sub- tooth.
First stator winding and the second stator winding correspondence are wound around on the first stator tooth and the second stator tooth, so that the
The coiling of one stator winding and the second stator winding is more convenient, and is wound around in stator yoke compared to stator winding, is conducive to subtract
The axial dimension of small machine；Specifically, the first stator winding and the second stator winding can include Insulating frame and be wrapped in
Winding coil on Insulating frame, to utilize Insulating frame by winding coil and the first stator tooth or winding coil and the second stator
Tooth is kept apart, and insulating effect is played.
In the above-mentioned technical solutions, it is preferable that the stator includes stator winding, positioned at adjacent first stator tooth
Between the stator yoke on be arranged with the stator winding.
Stator winding is wound around in stator yoke, lateral magnetic circuit is equally capable of forming, realizes motor electricity, magnetic decoupling, groove face
Product is no longer influenced by the constraint of magnetic loading.
In any of the above-described technical solution, it is preferable that the stator yoke is equipped with the quantity phase with first stator tooth
Deng open slot, first stator tooth is towards the one end of second stator tooth and second stator tooth towards described
The one end of one stator tooth is axially opposed to be inserted into the open slot.
First stator tooth and stator yoke, the second stator tooth and stator yoke are all made of this inserting connection structure, so that first
Stator tooth and the assembly manipulation of stator yoke, the second stator tooth and stator yoke are simple, and assembly is secured；First stator tooth and stator yoke,
The specific mechanical engagement mode of second stator tooth and stator yoke, can be interference fit, the modes such as be also possible to be welded and fixed,
It can be realized secured assembly.
In the above-mentioned technical solutions, it is preferable that the stator yoke is whole in a ring, and the open slot is provided with the stator
The radial lateral surface direction deepening to the stator yoke on the medial surface of yoke and along the stator yoke, and the open slot is along axis
To through the stator yoke.
Above scheme is realized using open slot by multiple first stator tooths and multiple circumferentially spaced fixations of second stator tooth
In stator yoke, and multiple first stator tooths and multiple second stator tooths are fixed on stator yoke along axial two sides, and ensure every
The stator tooth punching of a first stator tooth and each second stator tooth laminates direction radially.
In the above-mentioned technical solutions, it is preferable that first stator tooth include the first teeth portion axially extended and with institute
The first teeth portion first tooth boot portion connected along axial one end is stated, the first tooth boot portion edge is prolonged perpendicular to axially direction
It stretches, and first teeth portion is extended at the both ends of first tooth boot portion, keeps first stator tooth in T shape, described
One teeth portion is inserted into the open slot along axial the other end；Second stator tooth includes the second tooth axially extended
Portion and the second tooth boot portion being connected with second teeth portion along axial one end, second tooth boot portion is along perpendicular to axial direction
Direction extends, and second teeth portion is extended at the both ends of second tooth boot portion, keeps second stator tooth in T shape,
Second teeth portion is inserted into the open slot along axial the other end.
Specifically, the first teeth portion and the second teeth portion in axial direction extended, perpendicular to axial direction (i.e. along cutting
To) size it is shorter, first teeth portion and second teeth portion are used for winding stator winding, to leave enough spaces to coiling,
And first teeth portion and second teeth portion are used for magnetic conduction to form magnetic loop；Along the first tooth boot portion extended perpendicular to axial direction
And second tooth boot portion, in the longer dimension perpendicular to axial direction (i.e. tangentially), first tooth boot portion and the second tooth boots
Portion can collect the magnetic linkage come from rotor, and magnet accumulating cap is good, to increase the performance output of motor.
In the above-mentioned technical solutions, it is preferable that the stator yoke punching after the curved circle of bar shaped punching by forming, the bar shaped punching
On piece offers slot, and the groove area of slot reduces thereon after the curved circle of bar shaped punching, and the shape and ruler of the slot after reducing
It is very little with first stator tooth towards the one end of second stator tooth and second stator tooth towards first stator
The cross sectional shape and size of the one end of tooth are adapted.
Intermediate waste material can reduce compared to round punching using the stator yoke punching formed after the curved circle of bar shaped punching, from
And the utilization rate of punching material is improved, convenient for reducing material cost；The shape and size slotted in bar shaped punching can be according to realities
Border situation is rationally designed, such as needs to be formed after curved circle the open slot of rectangle, then can in bar shaped punching designed openings
Relatively wide dovetail groove, curved round after-opening width reduce, and form the opening width rectangular aperture slot equal with groove bottom width.
In the above-mentioned technical solutions, it is preferable that the stator yoke punching after round sheet punching press by forming, the open slot
For the tooth socket in the lamination plane of the stator yoke, so that stator yoke punching is easy to process, manufacturing cost is low.
In the above-mentioned technical solutions, it is preferable that the stator yoke is circumferentially assembled by multiple stator yoke units, adjacent
The stator yoke unit between form the open slot or the stator yoke unit there are gap and be equipped with the open slot,
So that the length for forming the punching of each stator yoke unit reduces, it is convenient for each smooth lamination of stator yoke unit.
In any of the above-described technical solution, it is preferable that the stator includes stator casing, first stator tooth, described
The whole plastic packaging that second stator tooth, the stator yoke and the stator winding are formed is in the stator casing.
Include the stator module of stator tooth, stator yoke, stator winding, wrapped up by packing material, by the stator
For component plastic packaging in stator casing, the packing material can be tubular molding compound.
Additional aspect and advantage of the invention will become obviously in following description section, or practice through the invention
Recognize.
Detailed description of the invention
Above-mentioned and/or additional aspect of the invention and advantage will become from the description of the embodiment in conjunction with the following figures
Obviously and it is readily appreciated that, in which:
Fig. 1 is the decomposition texture schematic diagram of the transverse flux motor of one embodiment of the invention；
Fig. 2 is the assembling structure schematic diagram of transverse flux motor shown in Fig. 1；
Fig. 3 is the decomposition texture schematic diagram of the transverse flux motor of another embodiment of the present invention；
Fig. 4 is the assembling structure schematic diagram of transverse flux motor shown in Fig. 3；
Fig. 5 is the structural schematic diagram of the stator tooth of the transverse flux motor of one embodiment of the invention；
Fig. 6 is the structural schematic diagram of the stator yoke of the transverse flux motor of one embodiment of the invention；
Fig. 7 is the flux circuit schematic diagram of the transverse flux motor of one embodiment of the invention, and the arrow in diagram indicates
Magnetic loop direction.
Wherein, the corresponding relationship between appended drawing reference and component names of the Fig. 1 into Fig. 7 are as follows:
1 stator yoke, 11 open slots, 2 first stator tooths, 21 first teeth portion, 22 first tooth boot portions, 3 second stator tooths, 31
Two teeth portion, 32 second tooth boot portions, 4 first stator winding, 5 second stator winding, 6 first permanent magnets, 7 second permanent magnets, 8 first
Back iron, 9 second back irons, 10 stator winding.
Specific embodiment
To better understand the objects, features and advantages of the present invention, with reference to the accompanying drawing and specific real
Applying mode, the present invention is further described in detail.It should be noted that in the absence of conflict, the implementation of the application
Feature in example and embodiment can be combined with each other.
In the following description, numerous specific details are set forth in order to facilitate a full understanding of the present invention, still, the present invention may be used also
To be implemented using other than the one described here other modes, therefore, protection scope of the present invention is not by described below
Specific embodiment limitation.
Referring to transverse flux motor described in Fig. 1 to Fig. 7 description according to some embodiments of the invention.
As shown in Figures 1 to 7, a kind of transverse flux motor provided according to some embodiments of the present invention, comprising: fixed
Son, the first rotor and the second rotor.
Specifically, as shown in Figures 1 to 4, stator uses tooth, yoke separated structure, and stator includes stator yoke 1, multiple first
Stator tooth 2 and multiple second stator tooths 3, multiple first stator tooths 2 and multiple second stator tooths 3 are between the circumferential direction of stator yoke 1
Every setting and it is relatively fixed in stator yoke 1 along axial two sides, stator yoke 1 is by multiple stator yoke punching groups for laminating along axial direction
At each first stator tooth 2 and each second stator tooth 3 are by the identical stator tooth punching group of the multiple shapes radially laminated
At.
The first rotor and the second rotor coaxial are connected, and the first rotor and the second rotor are divided into the axial two sides in stator edge,
The first rotor includes the first back iron 8 and is sequentially arranged in the circumferential direction. multiple first permanent magnets 6 on the first back iron 8, the first back iron 8
First permanent magnet 6 is set along the side for being facing axially away from the first stator tooth 2, the first permanent magnet 6 is along axial charging, and adjacent two
The polarity of first permanent magnet 6 is different；Second rotor includes the second back iron 9 and is sequentially arranged in the circumferential direction. more on the second back iron 9
The second permanent magnet 7 is arranged in along the side for being facing axially away from the second stator tooth 3, the second permanent magnetism in a second permanent magnet 7, the second back iron 9
For body 7 along axial charging, the polarity of the second adjacent permanent magnet 7 is different, and 7 mirror symmetry of the first permanent magnet 6 and the second permanent magnet,
It is axial that there is identical polar, i.e., the first of axial direction same position with the first permanent magnet 6 of position and the plane of symmetry of the second permanent magnet 7
Permanent magnet 6 and 7 polarity of the second permanent magnet are different.
It should be noted that " circumferential direction ", " axial direction " and " radial direction " herein refers to the circumferential direction of stator yoke, stator yoke
Axial direction, the radial direction of stator yoke, it is identical as " circumferential direction " of conventional motor stator yoke, " axial direction " and " radial direction " definition.
The transverse flux motor that the above embodiment of the present invention provides realizes motor electricity, magnetic by designing lateral magnetic structure
Decoupling, groove area are no longer influenced by the constraint of magnetic loading；Stator uses tooth, yoke separated structure, the first stator tooth 2 and the second stator tooth
3 equal radially laminations, can significant increase transverse flux motor manufacturability, radially the first stator tooth of lamination
2 is consistent with each stator tooth punching shape of the second stator tooth 3, greatly reduces the complex process degree of punching, guarantees large quantities of
The efficiency of amount manufacture production；The in axial direction stator yoke 1 of lamination, it is same in the manufacturability of significant increase transverse flux motor
When, the power density of motor is improved, compared with existing transverse flux motor, using the motor knot of this isolated stator yoke 1
Structure performance can promote 13% or so；Pass through the plane of symmetry of two rotors of design and corresponding two permanent magnets of two rotor axials
Polarity is identical, and carries out magnetic flux aggregation by shared stator yoke 1, existing power of motor density can be greatly improved, at above-mentioned point
From stator yoke 1 electric machine structure on the basis of, can be mentioned using magneticfocusing transverse flux motor structural behaviour designed by this programme
17% or so are risen, to reach the production technology of not only simplified motor, but also improves the effect of power of motor density.
Specifically, the lamination direction of the first stator tooth 2 and the second stator tooth 3 is orthogonal with the lamination direction of stator yoke 1, the
The magnetic direction of one stator tooth 2 and the second stator tooth 3 is radially distributed, fixed with the first stator tooth 2 and second of radial lamination
Sub- tooth 3 is parallel, and the magnetic direction of stator yoke 1 is axially distributed, parallel with the stator yoke 1 of axial lamination；Axially opposing two
The magnetic field that the identical permanent magnet of a polarity is formed, enters stator tooth by air gap, axially opposing stator tooth magnetic direction is different；
The magnetic field that axial two opposite permanent magnets generate shares stator yoke connection, i.e., is summarized by stator yoke, and with stator winding circle
Chain finally constitutes magnetic loop with the anisotropic permanent magnet of axial identical faces by the stator tooth conducting of two sides.
As depicted by the arrows in figure 7, the field circuit that the first permanent magnet 6 of the first rotor generates followed by: one the
The stator yoke 1 of the first stator tooth of air gap → mono- 2 between one permanent magnet, 6 → the first permanent magnet 6 and the first stator tooth 2 → shared
→ air gap → another first permanent magnet 6 between another 2 → the first stator tooth 2 of the first stator tooth and the first permanent magnet 6 →
First back iron 8, the magnetic field that axially opposing bitrochanteric second permanent magnet 7 generates with the first permanent magnet of above-mentioned the first rotor
Circuit followed by: air gap → mono- second between 7 → the second permanent magnet 7 of the second permanent magnet and the second stator tooth 3 is fixed
The air gap of the stator yoke 1 of sub- tooth 3 → shared → between another 3 → the second stator tooth 3 of the second stator tooth and the second permanent magnet 7 →
Another 7 → the second back iron 9 of the second permanent magnet carries out magnetic flux aggregation by shared stator yoke 1, compared to one rotor of setting
Scheme, power of motor density can be greatly improved, to improve transverse flux motor structural behaviour.
Preferably, as depicted in figs. 1 and 2, stator includes the first stator winding 4 and the second stator winding 5, and each first is fixed
Be arranged with the first stator winding 4 on sub- tooth 2, the second stator winding 5 be arranged on each second stator tooth 3, by the first stator around
Group 4 and the second stator winding 5 correspondence are wound around on the first stator tooth 2 and the second stator tooth 3, so that the first stator winding 4 and the
The coiling of two stator winding 5 is more convenient, and is wound around in stator yoke 1 compared to stator winding, is conducive to the axial direction for reducing motor
Size；Specifically, the first stator winding 4 and the second stator winding 5 can include Insulating frame and be wrapped on Insulating frame
Winding coil, winding coil to be isolated with the first stator tooth 2 or winding coil with the second stator tooth 3 using Insulating frame
It opens, plays insulating effect.
Optionally, as shown in Figure 3 and Figure 4, stator includes stator winding 10, between the first adjacent stator tooth 2
It is arranged with stator winding 10 in stator yoke 1, i.e., stator winding 10 can also be wound around in stator yoke 1, equally be capable of forming cross
To magnetic circuit, realize that motor electricity, magnetic decoupling, groove area are no longer influenced by the constraint of magnetic loading.
In some embodiments of the invention, as shown in Figure 1 to Figure 4 and shown in Fig. 6, stator yoke 1 is equipped with and the first stator tooth 2
The equal open slot 11 of quantity, one end and second stator tooth 3 towards first of first stator tooth 2 towards the second stator tooth 3
The one end of stator tooth 2 is axially opposed to be inserted into open slot 11.
First stator tooth 2 and stator yoke 1, the second stator tooth 3 and stator yoke 1 are all made of this inserting connection structure, so that
First stator tooth 2 and stator yoke 1, the second stator tooth 3 and the assembly manipulation of stator yoke 1 are simple, and assembly is secured；First stator tooth 2
With the specific mechanical engagement mode of stator yoke 1, the second stator tooth 3 and stator yoke 1, it can be interference fit, be also possible to weld
The modes such as fixed, can be realized secured assembly.
Further, as shown in fig. 6, stator yoke 1 is whole in a ring, open slot 11 is provided on the medial surface of stator yoke 1
And along the radial lateral surface direction deepening to stator yoke 1 of stator yoke 1, and open slot 11 is axially through stator yoke 1, using opening
Mouthful slot 11 is realized multiple first stator tooths 2 and multiple second stator tooths 3 are circumferentially spaced is fixed in stator yoke 1, and multiple
First stator tooth 2 and multiple second stator tooths 3 are fixed on stator yoke 1 along axial two sides, and ensure each first stator tooth 2 and
The stator tooth punching of each second stator tooth 3 laminates direction radially.
Further, as shown in Figures 1 to 5, the first stator tooth 2 includes the first teeth portion 21 for axially extending and with first
First tooth boot portion 22 connected along axial one end of teeth portion 21, the first tooth boot portion 22 extend along perpendicular to axially direction, and
The first teeth portion 21 is extended at the both ends of first tooth boot portion 22, keeps the first stator tooth 2 in T shape, and the first teeth portion 21 is along axial direction
The other end (i.e. one end of the first teeth portion 21 far from the first tooth boot portion 22) is inserted into open slot 11；Second stator tooth 3 packet
The second tooth boot portion 32 for including the second teeth portion 31 axially extended and being connected with the second teeth portion 31 along axial one end, the second tooth
Boots portion 32 extends along perpendicular to axially direction, and the second teeth portion 31 is extended at the both ends of the second tooth boot portion 32, makes second to determine
Sub- tooth 3 is in T shape, and the second teeth portion 31 is along axial the other end (i.e. one end of the second teeth portion 31 far from the second tooth boot portion 32)
It is inserted into open slot 11.
Specifically, the first teeth portion 21 and the second teeth portion 31 in axial direction extended, perpendicular to axial direction (i.e. edge
Size tangentially) is shorter, and first teeth portion 21 and second teeth portion 31 are used for winding stator winding, enough to leave to coiling
Space, and first teeth portion 21 and second teeth portion 31 are used for magnetic conduction to form magnetic loop；Along what is extended perpendicular to axial direction
First tooth boot portion 22 and the second tooth boot portion 32, in the longer dimension perpendicular to axial direction (i.e. tangentially), the first tooth boots
Portion 22 and second tooth boot portion 32 can collect the magnetic linkage come from rotor, and magnet accumulating cap is good, to increase the performance output of motor.
In one embodiment of the invention, as shown in fig. 6, stator yoke punching after the curved circle of bar shaped punching by forming, bar shaped
Offer slot in punching, the groove area of slot reduces thereon after the curved circle of bar shaped punching, and the shape of the slot after reducing and size and the
One stator tooth 2 towards the second stator tooth 3 one end and the second stator tooth 3 towards the first stator tooth 2 one end section shape
Shape and size are adapted.
Intermediate waste material can reduce compared to round punching using the stator yoke punching formed after the curved circle of bar shaped punching, from
And the utilization rate of punching material is improved, convenient for reducing material cost；The shape and size slotted in bar shaped punching can be according to realities
Border situation is rationally designed, such as needs the open slot 11 of formation rectangle after curved circle, then can design and open in bar shaped punching
The relatively wide dovetail groove of mouth, curved round after-opening width reduce, and form the opening width rectangular aperture equal with groove bottom width
Slot 11；Preferably, the tooth of the groove area of slot and stator tooth (the first stator tooth 2, the second stator tooth 3) thereon after the curved circle of bar shaped punching
Top (i.e. the first stator tooth 2 and the one end of the inserting cooperation of stator yoke 1, one end of the second stator tooth 3 and the inserting cooperation of stator yoke 1
Portion) axial cross section product it is equal.
Specifically, stator yoke 1 is formed by closed assembly after multiple curved circles of bar shaped punching, and the shape of each bar shaped punching is identical, and
Slot in each bar shaped punching, closed assembly complete the annular stator yoke punching to be formed fluting number and transverse flux motor first
Stator tooth 2 or 3 quantity of the second stator tooth are equal；After the curved circle of bar shaped punching, the groove area of slot becomes smaller thereon, and groove area and first
The tooth top axial cross section product of stator tooth 2 is equal and equal with the tooth top axial cross section of the second stator tooth 3 product；Each of after laminating
Stator tooth (the first stator tooth 2 and the second stator tooth 3) is placed in 1 open slot 11 of stator yoke formed after curved circle and closed assembly.
In another embodiment of the present invention, by being formed after round sheet punching press, open slot 11 is to set for stator yoke punching
Tooth socket in the lamination plane of stator yoke 1, so that stator yoke punching is easy to process, manufacturing cost is low.
In yet another embodiment of the present invention, stator yoke 1 is circumferentially assembled by multiple stator yoke Unit 1, adjacent
Stator yoke Unit 1 between form open slot 11 or stator yoke Unit 1 there are gap and be equipped with open slot 11, after the completion of assembled
The quantity of the open slot 11 formed in stator yoke 1 is equal with the quantity of the first stator tooth 2 or the second stator tooth 3, so that composition is every
The length of the punching of a stator yoke Unit 1 reduces, and is convenient for the smooth lamination of each stator yoke Unit 1.
Preferably, stator includes stator casing, and the first stator tooth 2, the second stator tooth 3, stator yoke 1 and stator winding are formed
Whole plastic packaging in stator casing, specifically, fixed for distinguishing winding first on the first stator tooth 2 and the second stator tooth 3
The case where sub- winding 4 and the second stator winding 5, stator winding include the first stator winding 4 and the second stator winding 5, i.e., first
The whole plastic packaging that stator tooth 2, the second stator tooth 3, stator yoke 1, the first stator winding 4 and the second stator winding 5 are formed is in stator
In shell；For in stator yoke 1 the case where winding stator winding 10, i.e. the first stator tooth 2, the second stator tooth 3, stator yoke 1 and
The whole plastic packaging that stator winding 10 is formed is in stator casing；Specifically, include the first stator tooth 2, the second stator tooth 3, determine
The stator module of sub- yoke 1, stator winding, is wrapped up by packing material, by the stator module plastic packaging in stator casing, institute
The packing material stated can be tubular molding compound.
In conclusion transverse flux motor provided in an embodiment of the present invention, not only can simplify the production technology of motor, but also can
To improve power of motor density, by designing lateral magnetic structure, motor electricity, magnetic decoupling are realized, it is negative that groove area is no longer influenced by magnetic
The constraint of lotus；By the stator tooth of radially lamination, can significant increase transverse flux motor manufacturability, radially side
Each stator tooth punching shape to the stator tooth of lamination is consistent, guarantees the efficiency of high-volume manufacture production；By along axial side
To the disengaging yoke portion of lamination, significant increase transverse flux motor manufacturability simultaneously, improve the power density of motor, with
Existing transverse flux motor is compared, using the electric machine structure performance boost 13% or so in this disengaging yoke portion；Pass through axial correspondence
The identical structure of permanent magnet polarity, and magnetic flux aggregation is carried out by shared stator yoke, it is close that existing power of motor can be greatly improved
Degree, on the basis of the electric machine structure of above-mentioned isolated stator yoke, using magneticfocusing transverse flux motor knot designed by the present invention
Structure performance can promote 17% or so.
In description of the invention, it is to be understood that the orientation or position of the instructions such as term " on ", "lower", "inner", "outside"
Relationship is to be based on the orientation or positional relationship shown in the drawings, and is merely for convenience of description of the present invention and simplification of the description, without referring to
Show or imply that signified device or unit there must be specific direction, be constructed and operated in a specific orientation, it is thus impossible to manage
Solution is limitation of the present invention.
In the description of the present invention unless specifically defined or limited otherwise, term " connected ", " connection ", " fixation " etc.
It shall be understood in a broad sense, for example, " connection " may be fixed connection or may be dismantle connection, or integral connection, or electricity
Connection；It can be directly connected, it can also be indirectly connected through an intermediary.For the ordinary skill in the art,
The specific meanings of the above terms in the present invention can be understood according to specific conditions.
In the description of this specification, the description of term " one embodiment ", " some embodiments ", " specific embodiment " etc.
Mean that particular features, structures, materials, or characteristics described in conjunction with this embodiment or example are contained at least one reality of the invention
It applies in example or example.In the present specification, schematic expression of the above terms are not necessarily referring to identical embodiment or reality
Example.Moreover, description particular features, structures, materials, or characteristics can in any one or more of the embodiments or examples with
Suitable mode combines.
The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, for the skill of this field
For art personnel, the invention may be variously modified and varied.All within the spirits and principles of the present invention, made any to repair
Change, equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of transverse flux motor characterized by comprising
Stator, the stator use tooth, yoke separated structure, including stator yoke, multiple first stator tooths and multiple second stator tooths,
Multiple first stator tooths and multiple second stator tooths along the stator yoke be provided at circumferentially spaced and it is relatively fixed
In the stator yoke along axial two sides, the stator yoke is each described by forming along multiple stator yoke punchings that axial direction laminates
First stator tooth and each second stator tooth are made of the identical stator tooth punching of the multiple shapes radially laminated；With
The first rotor and the second rotor, are divided into the stator along axial two sides, the first rotor include the first back iron and
Multiple first permanent magnets being sequentially arranged in the circumferential direction., first permanent magnet is along axial charging, adjacent first permanent magnet
Polarity it is different；Second rotor includes the second back iron and multiple second permanent magnets being sequentially arranged in the circumferential direction., and described second
Permanent magnet is along axial charging, and the polarity of adjacent second permanent magnet is different, and first permanent magnet and described second is forever
Magnet mirror symmetry, it is axial that there is identical polar with first permanent magnet of position and the plane of symmetry of second permanent magnet.
2. transverse flux motor according to claim 1, which is characterized in that
The stator includes stator winding, and the stator winding includes the first stator winding and the second stator winding, each described
First stator winding is arranged on first stator tooth, be arranged on each second stator tooth second stator around
Group.
3. transverse flux motor according to claim 1, which is characterized in that
The stator includes stator winding, is arranged in the stator yoke between adjacent first stator tooth described
Stator winding.
4. transverse flux motor according to any one of claim 1 to 3, which is characterized in that
The stator yoke is equipped with the open slot equal with the quantity of first stator tooth, and first stator tooth is described in
The one end of the one end of second stator tooth and second stator tooth towards first stator tooth is axially opposed to be inserted into
In the open slot.
5. transverse flux motor according to claim 4, which is characterized in that
The stator yoke is whole in a ring, and the open slot is provided on the medial surface of the stator yoke and along the stator yoke
The radial lateral surface direction deepening to the stator yoke, and the open slot is axially through the stator yoke.
6. transverse flux motor according to claim 4, which is characterized in that
First stator tooth includes the first teeth portion axially extended and is connected with first teeth portion along axial one end
The first tooth boot portion, first tooth boot portion extends along perpendicular to axially direction, and the both ends of first tooth boot portion are prolonged
First teeth portion is stretched out, keeps first stator tooth in T shape, first teeth portion is inserted into institute along axial the other end
It states in open slot；
Second stator tooth includes the second teeth portion axially extended and is connected with second teeth portion along axial one end
The second tooth boot portion, second tooth boot portion extends along perpendicular to axially direction, and the both ends of second tooth boot portion are prolonged
Second teeth portion is stretched out, keeps second stator tooth in T shape, second teeth portion is inserted into institute along axial the other end
It states in open slot.
7. transverse flux motor according to claim 4, which is characterized in that
The stator yoke punching offers slot, the bar shaped punching is curved by being formed after the curved circle of bar shaped punching in the bar shaped punching
The groove area of slot reduces thereon after circle, and the shape of the slot after reducing and size and first stator tooth are towards described the
The one end of two stator tooths and second stator tooth towards first stator tooth one end cross sectional shape and size it is equal
It is adapted.
8. transverse flux motor according to claim 4, which is characterized in that
By being formed after round sheet punching press, the open slot is in the lamination plane of the stator yoke for the stator yoke punching
Tooth socket.
9. transverse flux motor according to claim 4, which is characterized in that
The stator yoke is circumferentially assembled by multiple stator yoke units, and there are gaps between the adjacent stator yoke unit
It forms the open slot or the stator yoke unit is equipped with the open slot.
10. transverse flux motor according to claim 2 or 3, which is characterized in that
The stator includes stator casing, first stator tooth, second stator tooth, the stator yoke and the stator around
The whole plastic packaging that group is formed is in the stator casing.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811288029.9A CN109302027A (en) | 2018-10-31 | 2018-10-31 | Transverse flux motor |
| PCT/CN2019/114215 WO2020088488A1 (en) | 2018-10-31 | 2019-10-30 | Transverse flux motor |
| US17/244,063 US11936257B2 (en) | 2018-10-31 | 2021-04-29 | Transverse magnetic flux motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811288029.9A CN109302027A (en) | 2018-10-31 | 2018-10-31 | Transverse flux motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109302027A true CN109302027A (en) | 2019-02-01 |
Family
ID=65145437
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811288029.9A Pending CN109302027A (en) | 2018-10-31 | 2018-10-31 | Transverse flux motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109302027A (en) |
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110112877A (en) * | 2019-06-27 | 2019-08-09 | 珠海凯邦电机制造有限公司 | Motor capable of improving power density and preventing rotor from generating vibration |
| CN110138112A (en) * | 2019-06-27 | 2019-08-16 | 珠海凯邦电机制造有限公司 | motor for improving stability of cogging torque |
| CN110165854A (en) * | 2019-06-27 | 2019-08-23 | 珠海凯邦电机制造有限公司 | Motor convenient to production and processing |
| CN110266125A (en) * | 2019-06-27 | 2019-09-20 | 珠海凯邦电机制造有限公司 | Stator core and motor |
| CN110266124A (en) * | 2019-06-27 | 2019-09-20 | 珠海凯邦电机制造有限公司 | Stator core and motor |
| CN110266123A (en) * | 2019-06-27 | 2019-09-20 | 珠海凯邦电机制造有限公司 | Stator and motor |
| CN110460175A (en) * | 2019-07-26 | 2019-11-15 | 南京理工大学 | A kind of axial magnetic flux concentratred winding type mixed excitation electric machine |
| CN110620449A (en) * | 2019-08-19 | 2019-12-27 | 山东大学 | Disc type transverse flux permanent magnet brushless motor and method |
| CN110752728A (en) * | 2019-09-24 | 2020-02-04 | 南通大学 | L-shaped double-layer Halbach magnetic flux switching permanent magnet motor |
| CN111030330A (en) * | 2019-12-31 | 2020-04-17 | 苏州英磁新能源科技有限公司 | Hybrid excitation permanent magnet motor |
| WO2020088488A1 (en) * | 2018-10-31 | 2020-05-07 | 淮安威灵电机制造有限公司 | Transverse flux motor |
| WO2020220621A1 (en) * | 2019-04-29 | 2020-11-05 | 广东威灵电机制造有限公司 | Stator assembly and motor |
| CN112436697A (en) * | 2019-08-26 | 2021-03-02 | 美的威灵电机技术（上海）有限公司 | Motor and fan |
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| CN1901324A (en) * | 2005-07-20 | 2007-01-24 | 雅马哈发动机株式会社 | Rotary electric machine and electric wheelchair mounted with rotary electric machine |
| US20110037335A1 (en) * | 2009-01-19 | 2011-02-17 | New Motech Co., Ltd. | Axial motor |
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Cited By (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11936257B2 (en) | 2018-10-31 | 2024-03-19 | Huai'an Welling Motor Manufacturing Co., Ltd. | Transverse magnetic flux motor |
| WO2020088488A1 (en) * | 2018-10-31 | 2020-05-07 | 淮安威灵电机制造有限公司 | Transverse flux motor |
| WO2020220621A1 (en) * | 2019-04-29 | 2020-11-05 | 广东威灵电机制造有限公司 | Stator assembly and motor |
| CN110112877A (en) * | 2019-06-27 | 2019-08-09 | 珠海凯邦电机制造有限公司 | Motor capable of improving power density and preventing rotor from generating vibration |
| CN110138112A (en) * | 2019-06-27 | 2019-08-16 | 珠海凯邦电机制造有限公司 | motor for improving stability of cogging torque |
| CN110165854A (en) * | 2019-06-27 | 2019-08-23 | 珠海凯邦电机制造有限公司 | Motor convenient to production and processing |
| CN110266125A (en) * | 2019-06-27 | 2019-09-20 | 珠海凯邦电机制造有限公司 | Stator core and motor |
| CN110266124A (en) * | 2019-06-27 | 2019-09-20 | 珠海凯邦电机制造有限公司 | Stator core and motor |
| CN110266123A (en) * | 2019-06-27 | 2019-09-20 | 珠海凯邦电机制造有限公司 | Stator and motor |
| CN110266124B (en) * | 2019-06-27 | 2021-06-25 | 珠海凯邦电机制造有限公司 | Stator core and motor |
| CN110460175A (en) * | 2019-07-26 | 2019-11-15 | 南京理工大学 | A kind of axial magnetic flux concentratred winding type mixed excitation electric machine |
| CN110620449A (en) * | 2019-08-19 | 2019-12-27 | 山东大学 | Disc type transverse flux permanent magnet brushless motor and method |
| CN112436697A (en) * | 2019-08-26 | 2021-03-02 | 美的威灵电机技术（上海）有限公司 | Motor and fan |
| CN112436697B (en) * | 2019-08-26 | 2022-05-03 | 美的威灵电机技术（上海）有限公司 | Motor and fan |
| CN110752728B (en) * | 2019-09-24 | 2021-04-30 | 南通大学 | L-shaped double-layer Halbach magnetic flux switching permanent magnet motor |
| CN110752728A (en) * | 2019-09-24 | 2020-02-04 | 南通大学 | L-shaped double-layer Halbach magnetic flux switching permanent magnet motor |
| CN111030330A (en) * | 2019-12-31 | 2020-04-17 | 苏州英磁新能源科技有限公司 | Hybrid excitation permanent magnet motor |
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