CN104979931B - A kind of stator winding structure of brushless coreless disc-type permanent magnet motor and motor with the stator winding structure - Google Patents
A kind of stator winding structure of brushless coreless disc-type permanent magnet motor and motor with the stator winding structure Download PDFInfo
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- CN104979931B CN104979931B CN201510466512.1A CN201510466512A CN104979931B CN 104979931 B CN104979931 B CN 104979931B CN 201510466512 A CN201510466512 A CN 201510466512A CN 104979931 B CN104979931 B CN 104979931B
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- 238000004804 winding Methods 0.000 title claims abstract description 80
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- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 15
- 238000009826 distribution Methods 0.000 claims description 10
- 238000005452 bending Methods 0.000 claims description 9
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- 229910052742 iron Inorganic materials 0.000 claims description 5
- 239000000203 mixture Substances 0.000 claims description 5
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- 230000005672 electromagnetic field Effects 0.000 abstract description 6
- 238000010030 laminating Methods 0.000 description 10
- 238000010586 diagram Methods 0.000 description 9
- 238000000034 method Methods 0.000 description 9
- 230000015572 biosynthetic process Effects 0.000 description 7
- 238000000748 compression moulding Methods 0.000 description 7
- 230000000694 effects Effects 0.000 description 7
- 238000001746 injection moulding Methods 0.000 description 6
- 238000003825 pressing Methods 0.000 description 6
- 229910000831 Steel Inorganic materials 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 239000010959 steel Substances 0.000 description 4
- 238000010923 batch production Methods 0.000 description 3
- 239000004744 fabric Substances 0.000 description 3
- 238000000465 moulding Methods 0.000 description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000001788 irregular Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
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- 238000012797 qualification Methods 0.000 description 2
- 230000000630 rising effect Effects 0.000 description 2
- 238000010408 sweeping Methods 0.000 description 2
- 229920001187 thermosetting polymer Polymers 0.000 description 2
- 238000005303 weighing Methods 0.000 description 2
- 210000000988 bone and bone Anatomy 0.000 description 1
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
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Abstract
The present invention relates to a kind of brushless coreless disc-type permanent magnet motor and its interior stator winding structures.It includes 2 groups and is staggered and angle and successively laminates the unit coil group to form closed ring structure downwards along clockwise direction, constituent parts coil group includes 3 be staggered angle and the coils that laminate upwards in turn along clockwise direction, each coil includes that the interior of outer end in when magnet is strafed is strafed while and be connected to a pair or more of magnet, outer invalid edges, the magnet of each coil strafes edge circumference arranged radially and is distributed to form anchor ring, and all magnet strafes that side is in the same plane and height is consistent in winding, each coil it is interior, outer invalid edges mutually laminate to form the interior of lower convexity, outer overlapping portion.All magnet strafes that side is arranged to be in the same plane and height is consistent in winding, and the electromagnetic field utilization rate of the tankful rate and generation that make coil is higher, substantially increases the efficiency of motor, reduces the calorific value of motor stator.
Description
Technical field
The present invention relates to a kind of component of brushless coreless disc-type permanent magnet motor more particularly to the winding knots of the stator in it
Structure and motor with the stator winding structure.
Background technique
Motor stator includes ribbon core motor and two kinds of iron-core less motor now.The motor stator of ribbon core be by iron core and
The coil composition being wrapped on iron core, it is in irregular shape in the top end face of iron core and the coil sections of bottom face due to exposing,
Generate any obstruction when rotor is installed in stator, i.e., rotor dress is not into or generating the operation of rotor is entered in installation
It influences, in addition when stator is mounted on stator casing, these expose the part in irregular shape of iron core top end face and bottom face
Coil also influences stator itself installation, therefore, will carry out trimming after stator covers carefully connect the wire every time.Iron-free cored structure by
In iron-core-free, power of motor can only do very little, and iron-free cored structure is called injection molding or form structure, injection molding or form one
As be that will be placed in mold around the coil made, injection molding or integral molding technique is perfused, using fixed made of this technique
Sub- magnetic gap is bigger, and magnetic field power density utilization rate is low, so universal efficiency is also relatively low.Such as Chinese patent: " a discharge plate
The new structure (CN02132315.1) of formula motor stator ", disc type stator is made of coil windings, thermosetting material, coil around
Group is solidificated in thermosetting material body, and coil windings are stacked simultaneously with the polygonal coil of one or more conducting wire coiling by several
Mutually stagger several angles.But in the brushless coreless disc-type permanent magnet motor of three-phase, the coil windings in motor stator are extremely
It needs 3 pairs of lead-out wires less to connect and could work normally with external circuit, therefore, coil windings need 3 positive integer times
Coil overlapping could use, especially biggish in the power for needing motor since each coil itself has certain thickness
In the case of, then need the coil of more number to be overlapped or increased the coiling circle number of single coil to realize, so that overlapping
The thickness of the coil windings of formation is larger, so that the volume for the stator produced is larger, increases the volume of motor.Together
When, at work, the two sides rotation of stator is arranged in rotor to motor, and that motor can utilize when working is the effective of each coil
Section strafes magnetic field caused by side with magnet steel corresponding part, that is, magnet on rotor, due to each coil and rotor in coil windings
Usually disposed in parallel, therefore, magnetic field caused by the coil far from rotor can become weaker when reaching rotor, so that motor
Magnetic utilization rate it is lower, the Motor torque produced is small, and due between each coil in coil windings and the rotor of two sides
Distance has differences, and technical staff is difficult accurately to design the actually required watt level of motor.In addition, since overlapping is formed
The single coil of coil windings is all the ring structure of plane, i.e., it is equal to strafe side for the inside and outside invalid edges of coil and magnet, therefore
The coil windings formed are overlapped after being molded into stator, the outer edge portion of coil windings can not be with the inside and outside convex shaped of stator
Shape cooperation, so that the structural strength for the stator being molded into is lower.Just because of the presence of these above-mentioned defects, so that existing nothing
Brush coreless disc type magneto cannot achieve the production application of heavy-duty motor.
Summary of the invention
Side is strafed the present invention provides a kind of magnet of each coil to be in the same plane and the consistent brushless iron-free of height
The stator winding structure of core disc-type permanent magnet motor, so that the motor volume produced is smaller, the utilization rate in magnetic field is high, the function of motor
Rate can careful design according to actual needs；Solve brushless coreless disc-type permanent magnet motor volume existing in the prior art compared with
Greatly, the utilization rate in magnetic field is low and the power of motor is difficult to the technical problem of careful design etc..
The present invention additionally provides the inside and outside invalid edges of each coil a kind of simultaneously, and relatively corresponding magnet strafes side respectively
The stator winding structure of bending while the brushless coreless disc-type permanent magnet motor being superimposed with each other up and down forms opposed magnet and strafes side
The inside and outside overlapping portion of upper lower convexity and the inside and outside convex shape of stator cooperate, and solve brushless nothing existing in the prior art
The low technical problem of the stator structure intensity of iron core disc-type permanent magnet motor.
Above-mentioned technical problem of the invention is solved by following technical proposals: a kind of brushless coreless desk permanent-magnet electricity
The stator winding structure of machine, it is characterised in that: the winding include at least have 2 groups be staggered angle and along clockwise direction successively downwards
Laminate the unit coil group to form closed ring structure, constituent parts coil group includes 3 angles and along clockwise direction of being staggered
The coil laminated upwards in turn, each coil include that a pair or more of magnet is strafed while and is connected in when magnet is strafed
Outer end makes the inside and outside invalid edges of coil composition closed ring structure, and the magnet of each coil strafes edge circumference arranged radially point
Cloth forms anchor ring, and magnet all in winding strafes that side is in the same plane and height is consistent, the inside and outside nothing of each coil
Effect bending setting while mutually laminating to form opposed magnet and strafe on side up and down when relatively corresponding magnet is strafed respectively
The inside and outside overlapping portion of lower convexity.The present invention is mainly applied in the brushless coreless disc-type permanent magnet motor of three-phase, and the present invention is
It is formed by pressing process, each coil is integrally formed, and the parameters such as shape power according to needed for motor of coil and torque are set
Different polygonal coils and different magnetic field numbers of pole-pairs are counted into, all coils are first distributed into multiple groups, every 3 lines by 3 one group
Circle is staggered angle and to be laminated to form one group of unit coil group along clockwise direction upwards in turn, then all unit coil groups according to
Secondary be staggered and successively laminates to form closed ring structure angle downwards along clockwise direction, in pressing process, is strafed with magnet
Based on side, using inside and outside invalid edges deformation will not be deformed to guarantee that each magnet strafes side, magnet is strafed side and will not be bent, thus
Entanglement will not be occurred and weigh wounded by strafing when side is overlapped mutually pressing in magnet, to cause short circuit, according to above-mentioned laminated structure, be made
Each coil inside and outside invalid edges laminate the inside and outside overlapping portion to be formed height it is smaller, in the inside and outside nothing for not weighing each coil wounded
Under the premise of imitating side, minimum 3 times for the height in inside and outside overlapping portion being controlled in coil thickness.By in winding
All magnet strafes that side is arranged to be in the same plane and height is consistent, and magnet strafes side and is equivalent to only one layer in winding
Structure, the magnet of each coil strafe edge circumference arranged radially and are distributed to form anchor ring, therefore, with rotor engagement in use,
Intensity is identical when the magnetic field that each pair of magnet in winding strafes side generation reaches two sides rotor, realizes that magnet magnet strafes side
Strafe area maximization, thus make coil tankful rate and generation electromagnetic field utilization rate it is higher, substantially increase motor
Efficiency reduces the calorific value of motor stator, the service life of the motor further increased；The inside and outside invalid edges of each coil point
Relatively not corresponding magnet is strafed in bending setting up and down while mutually laminating to form lower convexity on when opposed magnet is strafed
Inside and outside overlapping portion, therefore, the winding construction of formation is mutually fitted with the structure of stator, and inside and outside overlapping portion is as stator inside and outside
The stator of forming skeleton, injection molding or form has preferable intensity；Each magnet in the present invention strafes side and is in same flat
In face and height is consistent, the height in inside and outside overlapping portion be also far smaller than existing multiple coils it is flat it is folded made of thickness, therefore,
The thickness for the stator produced using the present invention is substantially reduced, and powerful brushless coreless disc-type permanent magnet motor may be implemented
Batch production and application；It is folded simultaneously as the relatively corresponding magnet of the outer invalid edges of each coil is strafed after side is bent up and down
Swaging is at outer overlapping portion, and therefore, the outer diameter for laminating the winding to be formed further reduces, and is conducive to reduce utilizing its manufactured stator
And the volume of corresponding motor, the relatively corresponding magnet of the interior invalid edges of each coil are strafed after side is bent up and down and laminate to be formed
Interior overlapping portion, increases the internal diameter of winding, leaves greater room to the inner hole of motor stator, increases and be threaded through stator inner hole
In main axe intensity, enhance the stability of rotor.
Preferably, it is straightway that the magnet, which strafes side,.Magnet strafe side be stator coil with rotor engagement work
Effective section of part when making, magnet strafe side and are set as generated magnetic field strength maximum when straightway, is conducive to improve motor
Power.
Preferably, being folded between adjacent windings between adjacent unit coil group in the angle overlapped and unit coil group
The angle of conjunction is identical, and the angle overlapped between the adjacent windings in unit coil group is that every a pair of magnet strafes side certainly on coil
The 1/3 of body angle.Therefore, the adjacent magnets two-by-two in winding strafe side formation angle be it is identical, each magnet strafes Bian Qi
Arrange it is radial in the anchor ring formed be uniformly distributed, it is identical that each magnet strafes the gap between side, greatly ensure around
The whole consistency of group, the area of strafing that magnet strafes side maximize, to make the tankful rate of winding and the electromagnetic field benefit of generation
It is higher with rate, so that the power of motor can careful design according to actual needs.
Preferably, the coil for including in the unit coil group is followed successively by first coil, the second coil from lower to upper
And tertiary coil, the outer invalid edges in first coil correspond to the first outer invalid edges, the interior invalid edges in first coil correspond to
Invalid edges in first, invalid edges are that whole opposed magnet strafes side into recessed setting, third in the first outer invalid edges and first
Outer invalid edges on coil correspond to the outer invalid edges of third, and the interior invalid edges on tertiary coil correspond to invalid edges in third, the
Invalid edges are the outer invalid edges that whole opposed magnet strafes side at convex setting, on the second coil in three outer invalid edges and third
The second outer invalid edges are corresponded to, the interior invalid edges on the second coil correspond to invalid edges in second, and the second outer invalid edges are equipped with
Opposed magnet strafes the exterior protrusion of lower convexity and outer lower concave part on side respectively, and the exterior protrusion is laminated on invalid outside first
Bian Shang, the outer invalid edges of third are laminated on outer lower concave part, and invalid edges are equipped with opposed magnet respectively to strafe side or more convex in second
The internal projection portion and interior lower concave part, the internal projection portion risen are laminated in first in invalid edges, and invalid edges are laminated in third
On interior lower concave part.First inside and outside invalid edges of first coil are set as opposed magnet and strafe side into recessed structure, the second line
The second outer invalid edges on circle are equipped with opposed magnet respectively and strafe the exterior protrusion of lower convexity and outer lower concave part on side, in second
Invalid edges be equipped with opposed magnet respectively strafe lower convexity on side internal projection portion and interior lower concave part, outside the third on tertiary coil
Invalid edges are that whole opposed magnet strafes side into convex setting, first coil, the second coil and third in invalid edges and third
Coil laminates upwards in turn, and the inside and outside invalid edges of 3 coils are respectively formed height and laminate, and ensure that the magnet in 3 coils is swept
It is equal to penetrate side, meanwhile, when two unit coils are stacked pressure, the tertiary coil in first group of unit coil group is laminated on second group
The top of first coil in unit coil group preferably realizes and laminates linking between unit coil group, so that constituent parts
Magnet in coil group is strafed side and is in same plane, thus preferably realizes magnet all in winding and strafe side and be in
Sustained height, so that each coil causes magnet to strafe the influence of crust deformation on side in compression moulding due to the deformation of inside and outside invalid edges
It is smaller, it ensure that magnet strafes side keeping rectilinear form, the inside and outside nothing of each coil during compression moulding to the maximum extent
Effect side is not easy to be subject to crushing during compression moulding.
Preferably, invalid edges are recessed arc section, the third in the first outer invalid edges and first
Invalid edges are convex arc section in outer invalid edges and third, exterior protrusion in the outer invalid edges of described second and outer recessed
Portion is arc-shaped and the two is in being smoothly connected, and the internal projection portion and interior lower concave part in described second in invalid edges are circular arc
Shape and the two are in be smoothly connected.Invalid edges are set as recessed arc section in first outer invalid edges and first, since coil is general
As made of the metal wires coiling such as strand copper wire so that the first inside and outside invalid edges the surface of forming process coil be not easy by
It damages by pressure；Similarly, invalid edges are disposed as convex arc section, the evagination in the second outer invalid edges in the outer invalid edges of third and third
The portion of rising and outer lower concave part are arc-shaped and the two is in being smoothly connected, and the internal projection portion and interior lower concave part in second in invalid edges are equal
It is arc-shaped and the two in being smoothly connected, is conducive to the compression moulding of winding, improves the qualification rate in production.
Preferably, the structure of first coil and the structure of tertiary coil are setting symmetrical above and below, described second is invalid outside
In to equal distribution between upper exterior protrusion and outer lower concave part are when corresponding two magnet is strafed, and exterior protrusion and outer recessed
Portion is distributed along the angular bisector that corresponding two magnet strafes side at axial symmetry, internal projection portion in described second in invalid edges and interior
Lower concave part is strafed between side in corresponding two magnet in equal distribution, and internal projection portion and interior lower concave part are swept along corresponding two magnet
The angular bisector for penetrating side is distributed at axial symmetry.The structure of first coil and the structure of tertiary coil are setting symmetrical above and below, favorably
In the quantity for reducing components, production cost is reduced, the exterior protrusion and outer lower concave part in the second outer invalid edges are corresponding two
Magnet is strafed in equal distribution between side, i.e. exterior protrusion and outer lower concave part is strafed occupied by the circumferencial direction on side in two magnet
Angle be it is identical, exterior protrusion and outer lower concave part are distributed along the angular bisector that corresponding two magnet strafes side at axial symmetry, i.e., outer
The shape that lug boss is strafed along two magnet after 180 ° of the angular bisector overturning on side is identical with the shape of outer lower concave part, because
This, the exterior protrusion in the second outer invalid edges is laminated in the outer invalid edges of recessed first, and the outer invalid edges of convex third laminate
On the outer lower concave part of the second outer invalid edges, be advantageously implemented magnet strafe side its arrangement formed anchor ring in it is radial
It is uniformly distributed, it is high to laminate the winding precision to be formed；Similarly with the structures of the second outer invalid edges, the internal projection in second in invalid edges
Portion and interior lower concave part are strafed between side in corresponding two magnet in equal distribution, and internal projection portion and interior lower concave part are along corresponding two
The angular bisector that magnet strafes side is distributed at axial symmetry, is conducive to laminate with the inside and outside invalid edges of first, tertiary coil, is improved and is produced
The precision of product.
Preferably, the outer invalid edges of the first outer invalid edges, the second outer invalid edges and third are located at identical annulus
On face, invalid edges in described first, invalid edges are located on identical anchor ring in invalid edges and third in second.First outer nothing
Effect side, the second outer invalid edges and the outer invalid edges of third are located on identical anchor ring, so that manufactured stator outer diameter minimizes, have
Conducive to reduce motor volume, meanwhile, manufactured motor at work, outside the first outer invalid edges, the second outer invalid edges and third
Magnetic field caused by invalid edges is substantially invalid, and the magnetic interference for strafing side generation to magnet is less；Invalid edges, second in first
Invalid edges are located on identical anchor ring in interior invalid edges and third, so that manufactured diameter of stator bore maximizes, it is strong to improve main shaft
Degree, meanwhile, the magnetic interference for strafing side generation to magnet is less, so that the motor accuracy designed is higher.
Preferably, the height in the inside and outside overlapping portion is that magnet strafes the three of the formed annulus face thickness in side respectively
Again or more than three times.Due to laminating the outer invalid edges there are two different coils in the outer invalid edges of each coil, in order to
Guarantee to damage by pressure when the outer invalid edges of each coil are not laminated because each magnet strafe while thickness and magnet strafe while institute's shape
All be at annulus face thickness it is identical, need the height outer overlapping portion be set as magnet strafe while or magnet strafe while formed
It is more than the three times or three times of annulus face thickness；Similarly, the height in interior overlapping portion is set as magnet and strafes the formed anchor ring thickness in side
It is more than the three times or three times of degree.
A kind of brushless coreless disc-type permanent magnet motor includes stator and rotor, and the stator includes stator winding,
It is characterized by: the stator winding is the winding construction of above-mentioned brushless coreless disc-type permanent magnet motor.Due to above-mentioned
Winding construction has above-mentioned technical effect, and the brushless coreless disc-type permanent magnet motor with the winding construction is also having the same
Technical effect.
Therefore, the stator winding structure of brushless coreless disc-type permanent magnet motor of the invention has following advantages: winding
In all magnet strafe that side is arranged to be in the same plane and height is consistent, magnet strafes side and is equivalent to only one in winding
Layer structure, the magnet of each coil strafe edge circumference arranged radially and are distributed to form anchor ring, realize that magnet magnet strafes sweeping for side
Penetrate area maximization, thus make coil tankful rate and generation electromagnetic field utilization rate it is higher；The inside and outside invalid edges of each coil point
Relatively not corresponding magnet is strafed in bending setting up and down while mutually laminating to form lower convexity on when opposed magnet is strafed
Inside and outside overlapping portion, forming skeleton of the inside and outside overlapping portion as stator inside and outside, injection molding or form stator have compared with
Good intensity；Each magnet strafes that side is in same plane and height is consistent, and the height in inside and outside overlapping portion is also far smaller than existing
Multiple coils it is flat folded made of thickness, therefore, the thickness for the stator produced using the present invention is substantially reduced, and may be implemented big
The batch production and application of the brushless coreless disc-type permanent magnet motor of power；The relatively corresponding magnetic of the outer invalid edges of each coil
Iron sweep is penetrated after side is bent up and down and laminates to form outer overlapping portion, and the outer diameter for laminating the winding to be formed is further reduced, is made using it
Stator and corresponding motor small volume, the relatively corresponding magnet of the interior invalid edges of each coil strafe side up and down bend
After laminate to form interior overlapping portion, increase the internal diameter of winding, leave greater room to the inner hole of motor stator, increase and wear
Main axe intensity in stator inner hole.
Detailed description of the invention
Fig. 1 is a schematic structural view of Embodiment 1 of the present invention；
Fig. 2 is the main view of Fig. 1；
Fig. 3 is the bottom view of Fig. 1；
Fig. 4 is the structural schematic diagram after embodiment 1 is decomposed；
Fig. 5 is the structural schematic diagram of unit coil group in embodiment 1；
Fig. 6 is the structural schematic diagram of first coil in embodiment 1；
Fig. 7 is the main view of Fig. 6；
Fig. 8 is the right view of Fig. 6；
Fig. 9 is the structural schematic diagram of the second coil in embodiment 1；
Figure 10 is the main view of Fig. 9；
Figure 11 is the right view of Fig. 9；
Figure 12 is the structural schematic diagram of tertiary coil in embodiment 1；
Figure 13 is the main view of Figure 12；
Figure 14 is the right view of Figure 12；
Figure 15 is the main view of embodiment 1 and magnetic steel of stator cooperation；
Figure 16 is the structural schematic diagram of magnetic steel of stator；
Figure 17 is a schematic structural view of Embodiment 2 of the present invention；
Figure 18 is the structural schematic diagram of first coil in embodiment 2；
Figure 19 is the main view of Figure 18；
Figure 20 is the structural schematic diagram of the second coil in embodiment 2；
Figure 21 is the structural schematic diagram of tertiary coil in embodiment 2.
Specific embodiment
Below with reference to the embodiments and with reference to the accompanying drawing the technical solution to invention is described in further detail.
Embodiment 1: as Figure 1 and Figure 4, a kind of stator winding structure of brushless coreless disc-type permanent magnet motor, the winding
Structure includes four groups and is staggered and angle and successively laminates the unit coil group to form closed ring structure downwards along clockwise direction
1, constituent parts coil group 1 includes 3 be staggered angle and the coils that laminate upwards in turn along clockwise direction, as shown in figure 5,
This 3 coils are followed successively by first coil 11, the second coil 12 and tertiary coil 13 from lower to upper, and each coil includes a pair of of magnetic
Iron sweep, which is penetrated, makes the inside and outside invalid edges of coil composition closed ring structure, each line with outer end in 2 when magnet is strafed is connected to while 2
The angle degree that two magnet of circle strafe side formation is identical setting.Outer nothing as shown in Fig. 6, Fig. 7, Fig. 8, in first coil 11
Effect side corresponds to the first outer invalid edges 111, and the interior invalid edges in first coil 11 correspond to invalid edges 112 in first, outside first
Invalid edges 112 are that whole opposed magnet strafes side 2 into recessed setting in invalid edges 111 and first；Such as Figure 12, Figure 13, Figure 14
Shown, the outer invalid edges on tertiary coil 13 correspond to the outer invalid edges 131 of third, and the interior invalid edges on tertiary coil 13 correspond to
Invalid edges 132 in third, invalid edges 132 are that whole opposed magnet strafes side 2 at convex in the outer invalid edges 131 of third and third
Setting；As shown in Fig. 9, Figure 10, Figure 11, the outer invalid edges on the second coil 12 correspond to the second outer invalid edges 121, the second coil
Interior invalid edges on 12 correspond to invalid edges 122 in second, and the second outer invalid edges 121 are equipped with opposed magnet respectively and strafe side 2
The exterior protrusion 121a of upper lower convexity and outer lower concave part 121b；As shown in Fig. 1, Fig. 3, Fig. 5, exterior protrusion 121a is laminated on first
In outer invalid edges 111, the outer invalid edges 131 of third are laminated on outer lower concave part 121b, and invalid edges 122 are equipped with phase respectively in second
The internal projection portion 122a and interior lower concave part 122b of lower convexity on side 2 are strafed to magnet, internal projection portion 122a is laminated on nothing in first
It imitates on side 112, invalid edges 132 are laminated on interior lower concave part 122b in third.The first inside and outside invalid edges setting of first coil
Side 2 is strafed into recessed structure for opposed magnet, and the second outer invalid edges on the second coil are equipped with opposed magnet respectively and strafe
The exterior protrusion of lower convexity and outer lower concave part on side, invalid edges are equipped with opposed magnet respectively and strafe lower convexity on side in second
Internal projection portion and interior lower concave part, invalid edges are that whole opposed magnet is strafed in the outer invalid edges of third and third on tertiary coil
While first coil, the second coil and tertiary coil laminate upwards in turn at convex setting, the inside and outside invalid edges difference of 3 coils
It forms height to laminate, it is equal to ensure that the magnet in 3 coils strafes side, meanwhile, when two unit coils are stacked pressure, first group
Tertiary coil in unit coil group is laminated on the top of the first coil in second group of unit coil group, preferably realizes
Linking is laminated between unit coil group, remaining unit coil group laminates mode by this and successively laminates, so that constituent parts coil group
Interior magnet is strafed side and is in same plane, thus preferably realizes magnet all in winding and strafe side and be in same height
Degree, so that the influence of crust deformation that each coil causes magnet to strafe side in compression moulding due to the deformation of inside and outside invalid edges is smaller,
It ensure that magnet strafes side and keeps rectilinear form during compression moulding to the maximum extent, the inside and outside invalid edges of each coil exist
It is not easy to be subject to crushing during compression moulding.The magnet of each coil strafes side and the cross sectional shape size of inside and outside invalid edges is
Identical, as shown in Figure 2 and Figure 3, the magnet of each coil strafes side 2, and circumferentially arranged radially is distributed to form anchor ring, and institute in winding
Some magnet strafes that side 2 is in the same plane and height is consistent, and the inside and outside invalid edges of each coil are relatively corresponding respectively
Magnet strafes about 2 bending setting while mutually laminating to form on when opposed magnet is strafed the interior overlapping portion 3 of lower convexity and outside
Overlapping portion 4.The present invention is mainly applied in the brushless coreless disc-type permanent magnet motor of three-phase, and the present invention is to pass through pressing process
Molding, each coil is integrally formed, and the parameter designings such as shape power according to needed for motor of coil and torque are at different more
All coils are first distributed into multiple groups by 3 one group by linea angulata circle and different magnetic field numbers of pole-pairs, every 3 coils be staggered angle and
It laminates to form one group of unit coil group 1 upwards in turn along clockwise direction, then all unit coil groups are staggered successively angle
And successively laminate to form closed ring structure downwards along clockwise direction, it in pressing process, is strafed based on side, is used with magnet
Inside and outside invalid edges deformation will not be deformed to guarantee that each magnet strafes side, magnet is strafed side and will not be bent, to strafe in magnet
It is weighed wounded while will not occur entanglement when being overlapped mutually pressing, to cause short circuit, according to above-mentioned laminated structure, so that each coil
The height that inside and outside invalid edges laminate the inside and outside overlapping portion to be formed is smaller, in the premise for the inside and outside invalid edges for not weighing each coil wounded
Under, minimum 3 times for the height in inside and outside overlapping portion being controlled in coil thickness.Certainly, the present invention can also be according to every
The shape of a coil is compressed individually, then is overlapped together and formed.It is arranged to by the way that magnet all in winding is strafed side
It is in the same plane and height is consistent, magnet, which strafes side and is equivalent to only one layer of structure, the magnet of each coil, in winding strafes
Edge circumference arranged radially is distributed to form anchor ring, therefore, with rotor engagement in use, as shown in figure 15, it is every in winding
Intensity is identical when reaching two sides rotor magnetic steel 5 to the magnetic field that magnet strafes side generation, realizes that magnet magnet strafes sweeping for side
Penetrate area maximization, thus make coil tankful rate and generation electromagnetic field utilization rate it is higher, substantially increase the efficiency of motor,
The calorific value for reducing motor stator further improves the service life of motor；The inside and outside invalid edges of each coil are opposite respectively
Corresponding magnet is strafed in bending setting up and down while mutually laminating to form the inside and outside of lower convexity on when opposed magnet is strafed
Overlapping portion, therefore, the winding construction of formation are mutually fitted with the structure of stator, molding bone of the inside and outside overlapping portion as stator inside and outside
The stator of frame, injection molding or form has preferable intensity；Each magnet in the present invention strafe side be in same plane and
Height is consistent, the height in inside and outside overlapping portion be also far smaller than existing multiple coils it is flat it is folded made of thickness, especially overlap
Coil, therefore, the thickness for the stator produced using the present invention are substantially reduced, and powerful brushless coreless disc type may be implemented
The batch production and application of magneto；Simultaneously as the relatively corresponding magnet of the outer invalid edges of each coil is strafed on side
It laminates to form outer overlapping portion after lower bending, therefore, the outer diameter for laminating the winding to be formed further reduces, and is conducive to reduce utilizing it
The volume of manufactured stator and corresponding motor, after the relatively corresponding magnet of the interior invalid edges of each coil strafes side or more bending
It laminates to form interior overlapping portion, increases the internal diameter of winding, leave greater room to the inner hole of motor stator, increase and be threaded through
Main axe intensity in stator inner hole.
Wherein, it is straightway that magnet, which strafes side 2,.It is that stator coil is effective when working with rotor engagement that magnet, which strafes side,
Section part, effective section part can be arc line shaped or at dog-ear shapes, and still, magnet strafes side and is set as being produced when straightway
Raw magnetic field strength is maximum, is conducive to the power for improving motor, meanwhile, the magnet of straightway strafes side processing most convenient.
The angle overlapped between adjacent windings between adjacent unit coil group 1 in the angle overlapped and unit coil group 1
Spend it is identical, and the angle overlapped between the adjacent windings in unit coil group 1 be coil on every a pair of magnet strafe side 2 itself folder
The 1/3 of angle.As shown in Figure 1, Figure 2, Figure 5, the second coil 12 in unit coil group 1 is laminated in first coil 11, third
Coil 13 is laminated on the second coil 12, and the inside and outside invalid edges of respective coil are formed to be laminated up and down, first coil 11, the second coil
12 strafe side formation with the magnet of tertiary coil 13 angle it is identical, and be that two magnet of first coil 11 itself strafe side folder
The 1/3 of angle.The angle phase that the angle overlapped between adjacent unit coil group 1 is overlapped with first coil 11 and the second coil 12
Together.Therefore, the adjacent magnets two-by-two in winding strafe side 2 formation angle be it is identical, each magnet strafe side 2 its arrangement formed
Anchor ring in it is radial be uniformly distributed, each magnet strafes that the gap between side is identical, greatly ensures that winding is whole
Consistency, magnet strafe side strafe area maximization, thus make winding tankful rate and generation electromagnetic field utilization rate it is higher,
So that the power of motor can careful design according to actual needs.
As shown in fig. 6, invalid edges 112 are recessed arc section in the first outer invalid edges 111 and first, such as Figure 12 institute
Show, invalid edges 132 are convex arc section in the outer invalid edges 131 of third and third, as shown in figure 9, the second outer invalid edges 121
On exterior protrusion 121a and outer lower concave part 121b be arc-shaped and the two is in being smoothly connected, in second in invalid edges 122
Internal projection portion 122a and interior lower concave part 122b is arc-shaped and the two is in be smoothly connected.It is invalid in first outer invalid edges and first
While be set as recessed arc section, since coil is generally as made of the metal wires coiling such as strand copper wire, so that the first inside and outside nothing
Effect side is not easy to be subject to crushing on the surface of forming process coil；Similarly, invalid edges are disposed as in the outer invalid edges of third and third
Convex arc section, exterior protrusion and outer lower concave part in the second outer invalid edges are arc-shaped and the two is in being smoothly connected, the
Internal projection portion and interior lower concave part in two in invalid edges are arc-shaped and the two is in being smoothly connected, and are conducive to being pressed into for winding
Type improves the qualification rate in production.
As shown in Fig. 6, Figure 12, the structure of first coil 11 and the structure of tertiary coil 13 are setting symmetrical above and below, such as Fig. 9
Shown, exterior protrusion 121a and outer lower concave part 121b in the second outer invalid edges 121 are strafed between side 2 in corresponding two magnet is in
To equal distribution, and exterior protrusion 121a and outer lower concave part 121b strafe the angular bisector on side 2 into axial symmetry along corresponding two magnet
It is distributed, it is in pair that the internal projection portion 122a and interior lower concave part 122b in second in invalid edges are strafed between side 2 in corresponding two magnet
Equal distribution, and internal projection portion 122a and interior lower concave part 122b strafes the angular bisector on side 2 into axial symmetry point along corresponding two magnet
Cloth.The structure of first coil and the structure of tertiary coil are setting symmetrical above and below, advantageously reduce the quantity of components, reduce life
Cost is produced, the exterior protrusion and outer lower concave part in the second outer invalid edges 121 are strafed between side in corresponding two magnet in equal part
Cloth, i.e. exterior protrusion and outer lower concave part two magnet strafe angle occupied by the circumferencial direction on side be it is identical, exterior protrusion and
Outer lower concave part is distributed along the angular bisector that corresponding two magnet strafes side at axial symmetry, i.e., exterior protrusion strafes side along two magnet
Shape after angular bisector overturns 180 ° is identical with the shape of outer lower concave part, therefore, the evagination in the second outer invalid edges
The portion of rising is laminated in the outer invalid edges of recessed first, and the outer invalid edges of convex third are laminated on the outer lower concave part of the second outer invalid edges
On, be advantageously implemented magnet strafe side its arrangement formed anchor ring in it is radial be uniformly distributed, laminate the winding to be formed
Precision is high；Similarly with the structures of the second outer invalid edges, the internal projection portion and interior lower concave part in second in invalid edges are corresponding two
Magnet is strafed between side in equal distribution, and internal projection portion and interior lower concave part along corresponding two magnet strafe the angular bisector on side at
Axial symmetry distribution, is conducive to laminate with the inside and outside invalid edges of first, tertiary coil, improves the precision of product.
As shown in Fig. 2, Fig. 7, Figure 10, Figure 13, the outer invalid edges of the first outer invalid edges 111, the second outer invalid edges 121 and third
131 are located on identical anchor ring, and invalid edges 132 are located at phase in invalid edges 122 and third in invalid edges 112, second in first
On same anchor ring.First outer invalid edges, the outer invalid edges of the second outer invalid edges and third are located on identical anchor ring, due to the
The outer relatively respective magnet of invalid edges of one outer invalid edges, the second outer invalid edges and third is strafed side and is bent up and down, so that manufactured
Stator outer diameter becomes smaller, and is conducive to the volume for reducing motor, when invalid edges phase outside the first outer invalid edges, the second outer invalid edges and third
When strafing side or more 90-degree bent to respective magnet, the minimum outer diameter of manufactured stator.Meanwhile manufactured motor is at work,
Magnetic field caused by the outer invalid edges of first outer invalid edges, the second outer invalid edges and third is substantially invalid, strafes side to magnet and produces
Raw magnetic interference is less；Invalid edges in first, invalid edges 132 are located at identical anchor ring in invalid edges and third in second
On, so that manufactured diameter of stator bore maximizes, main axe intensity is improved, meanwhile, the magnetic interference for strafing side generation to magnet is less,
So that the motor accuracy designed is higher.
As shown in Figure 1, Figure 3, the height in inside and outside overlapping portion 3,4 is that magnet strafes the formed annulus face thickness in side 2 respectively
It is more than three times or three times.Due to laminating the outer invalid edges there are two different coils in the outer invalid edges of each coil, be
The outer invalid edges of each coil of guarantee are damaged by pressure when not laminated because each magnet strafe while thickness and magnet strafe while institute
Formed annulus face thickness be all it is identical, need the height outer overlapping portion be set as magnet strafe while or magnet strafe while institute's shape
More than the three times or three times of annulus face thickness；Similarly, the height in interior overlapping portion is set as magnet and strafes the formed anchor ring in side
It is more than the three times or three times of thickness.
In addition to the stator winding structure of above-mentioned brushless coreless disc-type permanent magnet motor, the present invention also provides a kind of brushless
Coreless disc type magneto includes stator and rotor, and stator includes stator winding, and stator winding is nothing described above
The winding construction of brush coreless disc type magneto, refer to the prior art for remaining structure, and repeats no more herein.
Embodiment 2: as shown in figure 17, each coil includes that four pairs of magnet are strafed and 2 and are being connected in 2 when magnet is strafed
Outer end makes the inside and outside invalid edges of coil composition closed ring structure, and the outer end that each pair of magnet strafes side is arranged in outer invalid edges
Portion strafes the connection of side outer end to magnet for this, and the inner end that magnet strafes side is arranged in interior invalid edges, is used for adjacent magnetic
Iron sweep penetrates the connection of side inner end, and 3 coils for strafing side with four pairs of magnet is only needed to overlap in the present embodiment, and this 3
Coil is followed successively by first coil 11, the second coil 12 and tertiary coil 13 from lower to upper, such as Figure 18, Figure 19, Figure 20, Tu21Suo
Show, every a pair of magnet on first coil 11, the second coil 12 and tertiary coil 13 strafes the angle that side is formed and adjacent two pairs
Magnet strafe that the angle between side is identical, the outer invalid edges in first coil 11 correspond to the first outer invalid edges 111, First Line
Interior invalid edges on circle 11 correspond to invalid edges 112 in first, and invalid edges 112 are whole in the first outer invalid edges 111 and first
Body opposed magnet strafes side 2 into recessed setting；Outer invalid edges on tertiary coil 13 correspond to the outer invalid edges 131 of third, third
Interior invalid edges on coil 13 correspond to invalid edges 132 in third, and invalid edges 132 are in the outer invalid edges 131 of third and third
Whole opposed magnet strafes side 2 into convex setting；Outer invalid edges on second coil 12 correspond to the second outer invalid edges 121, the
Interior invalid edges on two coil 12 correspond to invalid edges 122 in second, and the second outer invalid edges 121 are equipped with opposed magnet respectively and sweep
The exterior protrusion 121a and outer lower concave part 121b of lower convexity on side 2 are penetrated, invalid edges 122 are equipped with opposed magnet respectively and sweep in second
Penetrate the internal projection portion 122a and interior lower concave part 122b of lower convexity on side 2；Rest part is same as Example 1.
Claims (6)
1. a kind of stator winding structure of brushless coreless disc-type permanent magnet motor, it is characterised in that: the winding, which includes at least, 2 groups
It is staggered and angle and successively laminates the unit coil group to form closed ring structure, constituent parts coil group packet downwards along clockwise direction
3 be staggered angle and the coils that laminate upwards in turn along clockwise direction are included, each coil includes a pair or more of
Outer end in when magnet is strafed is strafed while and be connected to magnet makes the inside and outside invalid edges of coil composition closed ring structure, each line
The magnet of circle strafes edge circumference arranged radially and is distributed to form anchor ring, and magnet all in winding strafes side and is located at same put down
In face and highly consistent, relatively corresponding magnet strafes side or more bending setting together to the inside and outside invalid edges of each coil respectively
When mutually laminate to form the inside and outside overlapping portion that opposed magnet strafes lower convexity on side, the line for including in the unit coil group
Circle is followed successively by first coil, the second coil and tertiary coil from lower to upper, and the outer invalid edges in first coil correspond to outside first
Invalid edges, the interior invalid edges in first coil correspond to invalid edges in first, and invalid edges are in the first outer invalid edges and first
Whole opposed magnet strafes side into recessed setting, and the outer invalid edges on tertiary coil correspond to the outer invalid edges of third, tertiary coil
On interior invalid edges correspond to invalid edges in third, invalid edges are that whole opposed magnet is strafed in the outer invalid edges of third and third
While the outer invalid edges on the second coil correspond to the second outer invalid edges at convex setting, the interior invalid edges on the second coil are corresponding
For invalid edges in second, the second outer invalid edges are equipped with opposed magnet respectively and strafe on side the exterior protrusion of lower convexity and outer recessed
Portion, the exterior protrusion are laminated in the first outer invalid edges, and the outer invalid edges of third are laminated on outer lower concave part, invalid in second
While it is upper be equipped with that opposed magnet is strafed respectively while on lower convexity internal projection portion and interior lower concave part, the internal projection portion be laminated on the
In one in invalid edges, invalid edges are laminated on interior lower concave part in third, and invalid edges are equal in the outer invalid edges of described first and first
For recessed arc section, invalid edges are convex arc section in the outer invalid edges of the third and third, outside described second
Exterior protrusion and outer lower concave part in invalid edges are arc-shaped and the two is in be smoothly connected, in described second in invalid edges
Internal projection portion and interior lower concave part are arc-shaped and the two is in being smoothly connected, and the height in the inside and outside overlapping portion is magnetic respectively
Iron sweep penetrates the three times or three times of the formed annulus face thickness in side or more.
2. a kind of stator winding structure of brushless coreless disc-type permanent magnet motor according to claim 1, it is characterised in that:
It is straightway that the magnet, which strafes side,.
3. a kind of stator winding structure of brushless coreless disc-type permanent magnet motor according to claim 2, it is characterised in that:
The angle overlapped between the angle overlapped between adjacent unit coil group and the adjacent windings in unit coil group is identical, and single
The angle overlapped between adjacent windings in the coil group of position is that every a pair of magnet strafes the 1/3 of side itself angle on coil.
4. a kind of stator winding structure of brushless coreless disc-type permanent magnet motor according to claim 1, it is characterised in that:
The structure of first coil and the structure of tertiary coil are setting symmetrical above and below, exterior protrusion in the second outer invalid edges and outside
Lower concave part is strafed between side in corresponding two magnet in equal distribution, and exterior protrusion and outer lower concave part are swept along corresponding two magnet
The angular bisector for penetrating side is distributed at axial symmetry, and the internal projection portion and interior lower concave part in described second in invalid edges are in corresponding two magnetic
Iron sweep is penetrated between side in equal distribution, and internal projection portion and interior lower concave part strafe the angular bisector on side into axis along corresponding two magnet
It is symmetrical.
5. a kind of stator winding structure of brushless coreless disc-type permanent magnet motor according to claim 1, it is characterised in that:
The outer invalid edges of the outer invalid edges of described first, the second outer invalid edges and third are located on identical anchor ring, in described first
Invalid edges, invalid edges are located on identical anchor ring in invalid edges and third in second.
6. a kind of brushless coreless disc-type permanent magnet motor includes stator and rotor, the stator includes stator winding,
Be characterized in that: the stator winding is the stator of brushless coreless disc-type permanent magnet motor described in any one of claim 1 to 5
Winding construction.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510466512.1A CN104979931B (en) | 2015-02-03 | 2015-07-31 | A kind of stator winding structure of brushless coreless disc-type permanent magnet motor and motor with the stator winding structure |
| PCT/CN2016/072714 WO2016124108A1 (en) | 2015-02-03 | 2016-01-29 | Stator winding structure of brushless coreless disk permanent magnetic motor and motor with stator winding structure |
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| CN201510055595.5A CN104638795A (en) | 2015-02-03 | 2015-02-03 | Stator winding structure of brushless coreless disk permanent magnetic motor and motor with the stator winding structure |
| CN2015100555955 | 2015-02-03 | ||
| CN201510466512.1A CN104979931B (en) | 2015-02-03 | 2015-07-31 | A kind of stator winding structure of brushless coreless disc-type permanent magnet motor and motor with the stator winding structure |
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| CN104979931A CN104979931A (en) | 2015-10-14 |
| CN104979931B true CN104979931B (en) | 2019-07-26 |
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| CN201510466512.1A Active CN104979931B (en) | 2015-02-03 | 2015-07-31 | A kind of stator winding structure of brushless coreless disc-type permanent magnet motor and motor with the stator winding structure |
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| CN104638795A (en) * | 2015-02-03 | 2015-05-20 | 吕周安 | Stator winding structure of brushless coreless disk permanent magnetic motor and motor with the stator winding structure |
| CN106411012A (en) * | 2015-07-14 | 2017-02-15 | 上海鸣志电器股份有限公司 | Coreless winding of reducing distribution coefficient |
| CN105186748B (en) * | 2015-07-31 | 2023-09-19 | 浙江鼎安机械制造有限公司 | Stator winding structure of radial coreless permanent magnet motor and motor |
| CN108242860A (en) * | 2016-12-27 | 2018-07-03 | 维尔纳（福建）电机有限公司 | A kind of stator without iron core and motor |
| CN106849437A (en) * | 2017-04-14 | 2017-06-13 | 厦门威而特动力科技有限公司 | A kind of armature winding and radial magnetic field permanent magnet iron coreless synchronous motor |
| CN109586451A (en) * | 2018-11-28 | 2019-04-05 | 华中科技大学 | Axial magnetic flux iron-core-free winding, preparation process and the magneto with the winding |
| CN110011449B (en) * | 2019-04-02 | 2022-07-12 | 上海大学 | Ultrathin disc winding |
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| JPH0750975B2 (en) * | 1990-06-28 | 1995-05-31 | 科学技術庁航空宇宙技術研究所長 | Coreless amateur coil manufacturing method and brushless coreless motor using the coil |
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| RU2427067C1 (en) * | 2009-12-25 | 2011-08-20 | Сергей Михайлович Есаков | Magnetoelectric generator |
| JP2013058658A (en) * | 2011-09-09 | 2013-03-28 | Seiko Epson Corp | Electromagnetic coil, coreless electric machine device, moving body, robot, and manufacturing method of electromagnetic coil |
| JP5920259B2 (en) * | 2013-03-19 | 2016-05-18 | 株式会社安川電機 | Coil, rotating electric machine, and method of manufacturing rotating electric machine |
| CN104638795A (en) * | 2015-02-03 | 2015-05-20 | 吕周安 | Stator winding structure of brushless coreless disk permanent magnetic motor and motor with the stator winding structure |
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2015
- 2015-02-03 CN CN201510055595.5A patent/CN104638795A/en active Pending
- 2015-07-31 CN CN201510466512.1A patent/CN104979931B/en active Active
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2016
- 2016-01-29 WO PCT/CN2016/072714 patent/WO2016124108A1/en active Application Filing
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| US4551645A (en) * | 1981-06-04 | 1985-11-05 | Fuji Photo Film Co., Ltd. | Disc type brushless motor |
| CN1218585A (en) * | 1996-05-21 | 1999-06-02 | 可视计算体系有限公司 | Interlocking segmented coil array |
| CN101873021A (en) * | 2010-01-15 | 2010-10-27 | 北京众仁智杰科技发展有限公司 | Axial magnetic field disk motor |
| CN204391936U (en) * | 2015-02-03 | 2015-06-10 | 吕周安 | A kind of stator winding structure of brushless coreless disc-type permanent magnet motor and there is the motor of this stator winding structure |
| CN204835745U (en) * | 2015-07-31 | 2015-12-02 | 吕周安 | Brushless no iron core disk permanent -magnet machine's stator winding structure and motor that has this stator winding structure |
Also Published As
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| WO2016124108A1 (en) | 2016-08-11 |
| CN104638795A (en) | 2015-05-20 |
| CN104979931A (en) | 2015-10-14 |
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Denomination of invention: A stator winding structure of a brushless and coreless permanent magnet motor and a motor with the same stator winding structure Effective date of registration: 20231219 Granted publication date: 20190726 Pledgee: Ningbo Bank Co.,Ltd. Lishui Branch Pledgor: ZHEJIANG ENJIA INTELLIGENT TECHNOLOGY CO.,LTD. Registration number: Y2023980072250 |
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