CN107017717A - Rotor, method of manufacturing rotor, and motor including rotor - Google Patents
Rotor, method of manufacturing rotor, and motor including rotor Download PDFInfo
- Publication number
- CN107017717A CN107017717A CN201710417303.7A CN201710417303A CN107017717A CN 107017717 A CN107017717 A CN 107017717A CN 201710417303 A CN201710417303 A CN 201710417303A CN 107017717 A CN107017717 A CN 107017717A
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- China
- Prior art keywords
- press strip
- rotor
- magnetic pole
- press
- carrier board
- Prior art date
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 22
- 238000009434 installation Methods 0.000 claims abstract description 15
- 238000003466 welding Methods 0.000 claims description 25
- 239000011248 coating agent Substances 0.000 claims description 24
- 238000000576 coating method Methods 0.000 claims description 24
- 238000000034 method Methods 0.000 claims description 22
- 239000011347 resin Substances 0.000 claims description 6
- 229920005989 resin Polymers 0.000 claims description 6
- 239000013536 elastomeric material Substances 0.000 claims description 5
- 238000010438 heat treatment Methods 0.000 claims description 3
- 239000004744 fabric Substances 0.000 claims 1
- 239000007787 solid Substances 0.000 claims 1
- 238000012545 processing Methods 0.000 abstract description 6
- 239000011324 bead Substances 0.000 abstract 6
- 230000006835 compression Effects 0.000 abstract 5
- 238000007906 compression Methods 0.000 abstract 5
- 238000010586 diagram Methods 0.000 description 12
- 230000002093 peripheral effect Effects 0.000 description 6
- 239000000956 alloy Substances 0.000 description 4
- 239000000463 material Substances 0.000 description 3
- 229910000679 solder Inorganic materials 0.000 description 3
- 229910000975 Carbon steel Inorganic materials 0.000 description 2
- 239000010962 carbon steel Substances 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000003754 machining Methods 0.000 description 2
- 230000013011 mating Effects 0.000 description 2
- 229910001172 neodymium magnet Inorganic materials 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- QJVKUMXDEUEQLH-UHFFFAOYSA-N [B].[Fe].[Nd] Chemical compound [B].[Fe].[Nd] QJVKUMXDEUEQLH-UHFFFAOYSA-N 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 238000013475 authorization Methods 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 239000008393 encapsulating agent Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000000696 magnetic material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000003252 repetitive effect Effects 0.000 description 1
- 239000000565 sealant Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000007514 turning Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K1/00—Details of the magnetic circuit
- H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
- H02K1/22—Rotating parts of the magnetic circuit
- H02K1/27—Rotor cores with permanent magnets
- H02K1/2706—Inner rotors
- H02K1/272—Inner rotors the magnetisation axis of the magnets being perpendicular to the rotor axis
- H02K1/274—Inner rotors the magnetisation axis of the magnets being perpendicular to the rotor axis the rotor consisting of two or more circumferentially positioned magnets
- H02K1/2753—Inner rotors the magnetisation axis of the magnets being perpendicular to the rotor axis the rotor consisting of two or more circumferentially positioned magnets the rotor consisting of magnets or groups of magnets arranged with alternating polarity
- H02K1/278—Surface mounted magnets; Inset magnets
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K1/00—Details of the magnetic circuit
- H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
- H02K1/22—Rotating parts of the magnetic circuit
- H02K1/27—Rotor cores with permanent magnets
- H02K1/2786—Outer rotors
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K1/00—Details of the magnetic circuit
- H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
- H02K1/22—Rotating parts of the magnetic circuit
- H02K1/28—Means for mounting or fastening rotating magnetic parts on to, or to, the rotor structures
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K15/00—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines
- H02K15/02—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines of stator or rotor bodies
- H02K15/03—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines of stator or rotor bodies having permanent magnets
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Permanent Field Magnets Of Synchronous Machinery (AREA)
- Manufacture Of Motors, Generators (AREA)
Abstract
The invention provides a rotor, a method of manufacturing the rotor, and a motor including the rotor. The rotor includes: a rotor yoke; a plurality of first compression beads arranged in a row on a mounting surface of the rotor yoke, the plurality of first compression beads being disposed at a predetermined interval along a circumferential direction of the rotor yoke to form a groove between two adjacent rows of the plurality of first compression beads; a magnetic pole module including a carrier plate to which a magnet is fixed, the magnetic pole module being disposed in the slot, wherein a predetermined gap is provided between each of the plurality of first beads and a corresponding one of the carrier plates in a radial direction of the rotor yoke; a plurality of second compression beads arranged in a row corresponding to and cooperating with the plurality of first compression beads arranged in a row so as to fill a predetermined gap. According to the invention, the complicated processing of the rotor can be avoided, thereby reducing the production cost and ensuring the installation precision.
Description
Technical field
The present invention relates to machine field, more particularly, it is related to a kind of rotor, the manufacture method of the rotor and including this turn
The motor of son.
Background technology
Low-speed big-diameter generator (for example, wind-driven generator) is made up of stator and rotor.In high-rating generator, rotor
Including rotor rim and the magnet magnetized being mounted and fastened in rotor rim.
In publication No. in CN106165260A patent application, by processing the prominent of T-shaped or L-shaped in rotor rim
Go out portion and form groove, then magnet is assembled in groove.The groove is formed by carrying out complicated machining to rotor rim, is caused
Processing capacity is big, especially for the rotor being relatively large in diameter, and the requirement to machining apparatus is high, necessarily causes production cost higher.
The content of the invention
It is an object of the invention to provide a kind of rotor for reducing production cost, the manufacture method of the rotor and including this
The motor of rotor.
According to an aspect of the present invention there is provided a kind of rotor, the rotor includes：Rotor rim；Multiple first press strips, institute
State multiple first press strip arows to be arranged in the installation surface of the rotor rim, the multiple first press strip is along described turn
The circumferencial direction of sub- yoke is set according to predetermined space, between adjacent two the first press strips of row in the multiple first press strip
Form groove；Magnetic pole module, including the carrier board of magnet is fixed with, the magnetic pole module is arranged in the groove, wherein, described
Rotor rim radially, each first press strip carrier board corresponding with the carrier board in the multiple first press strip it
Between have predetermined gap；Multiple second press strips, the multiple second press strip arow arrangement is the multiple with arow arrangement
First press strip is corresponded to and coordinated, so as to fill the predetermined gap.
Alternatively, each first press strip in the multiple first press strip may include main part and from main part towards main body
The overlapping portions of the groove extension of portion both sides, the overlapping portions can be partly stacked with two adjacent carrier boards respectively, and described second
Press strip may include main part and extend the first auxiliary section and second to coordinate respectively with the overlapping portions from the main part
Auxiliary section.
Alternatively, the overlapping portions may include to protrude in mutually opposite directions on the width of each first press strip
The first protuberance and the second protuberance, first auxiliary section and second auxiliary section can have surrounds described first respectively
The L-type structure of protuberance and second protuberance.
Alternatively, the cross section of first press strip can be trapezoidal shape.
Alternatively, first auxiliary section and second auxiliary section can be formed by the elastomeric material of expanded by heating.
Alternatively, the carrier board may include first step portion, the first step portion by make the carrier board along
The both sides of the width of the carrier board inwardly concave and formed.
Alternatively, the first press strip of arow arrangement can parallel to the rotor rim axial direction or with the rotor
The axial direction of yoke is into predetermined angular.
Alternatively, the first press strip described in each column includes multiple first press strips, and the second press strip described in each column includes multiple second
Press strip, wherein, the length of single second press strip can be shorter than the length of single first press strip, the second pressure described in each column
The total length of bar can be equal with the total length of the first press strip described in each column.
Alternatively, each first press strip can be fixed by welding to the rotor rim, and each second press strip can pass through weldering
Connect fixed to first press strip.
Alternatively, the rotor may additionally include fixed in the axial direction of the rotor rim each column magnetic pole module one end and
The first fixed part and the second fixed part of the other end, wherein, first fixed part is the ring being arranged in the rotor rim
Shape projection.
Alternatively, the magnetic pole module may also include magnetic pole box, and the magnetic pole box is fixed to the carrier board, the magnet
It is sealed in the magnetic pole box.
Alternatively, the rotor may also include coating, the coating can cover the magnetic pole module, first press strip and
Second press strip, the coating may include resin.
According to another aspect of the present invention there is provided a kind of manufacture method of rotor, the manufacture method includes：In rotor
Arow arranges multiple first press strips in the installation surface of rotor rim, and the multiple first press strip is along the rotor rim
Circumferencial direction is set according to predetermined space, to form groove between adjacent two the first press strips of row in the multiple first press strip；
Magnetic pole module is pushed into the groove, wherein, the magnetic pole module includes the carrier board for being fixed with magnet, in the rotor rim
Radially, have between each first press strip carrier board corresponding with the carrier board in the multiple first press strip pre-
Fixed gap；The second press strip is pushed between two adjacent row magnetic pole modules, second press strip is corresponding with multiple first press strips
The first press strip match and merge the filling predetermined gap.
Alternatively, each first press strip can be fixed in the installation surface of the rotor rim by welding, and
Second press strip can be fixed to first press strip by welding.
Alternatively, the manufacture method may additionally include the magnetic pole module, first press strip and second press strip
Upper formation coating, the coating may include resin.
According to another aspect of the present invention there is provided a kind of motor, the motor includes rotor as described above.
Embodiments in accordance with the present invention, are positioned and fixed by using double layering structures of the first press strip and the second press strip
Magnetic pole module, can avoid carrying out rotor complicated processing, so as to reduce production cost, and can ensure installation accuracy.
Brief description of the drawings
By the detailed description carried out below in conjunction with the accompanying drawings, above and other objects of the present invention, feature and advantage will
Become more fully apparent, wherein：
Fig. 1 is the partial schematic diagram for showing rotor according to an embodiment of the invention；
Fig. 2 is the enlarged diagram for the portion P for showing Fig. 1；
Fig. 3 is the schematic diagram for showing magnetic pole box according to an embodiment of the invention；
Fig. 4 is the schematic diagram for showing carrier board according to an embodiment of the invention；
Fig. 5 is the partial schematic diagram for showing to install the first press strip in rotor rim；
Fig. 6 is the partial schematic diagram for showing to install the first press strip in rotor rim；
Fig. 7 is to show to install the schematic partial section of the first press strip in rotor rim；
Fig. 8 is the top view for showing the second press strip according to an embodiment of the invention；
Fig. 9 is the sectional view for showing the second press strip according to an embodiment of the invention.
In the accompanying drawings：1000 be rotor, and 100 be rotor rim, and 110 be Part I, and 120 be Part II, and 200 be
One press strip, 210 be main part, and 220 be the first protuberance, and 230 be the second protuberance, and 300 be magnetic pole module, and 310 be carrier board,
320 be magnetic pole box, and 330 be magnet, and 311 be first step portion, and 312 be second step portion, and 400 be the second press strip, and 410 be main body
Portion, 420 be the first auxiliary section, and 430 be the second auxiliary section, and 500 be coating, and 10 be fixing hole, and 201 be groove, and 202 and 401 be weldering
Hole is connected, 203 be solder, and G is gap.
Embodiment
Hereinafter, it will be described in detail with reference to the accompanying drawings exemplary embodiment.In the accompanying drawings, for the sake of clarity, it can amplify
Shape, size of component etc..
For convenience of description, this can with reference to the accompanying drawings in tool face azimuth retouched using " upper surface ", " lower surface " etc.
State the surface of device.It should be understood that if the device in figure is reversed, " upper surface " will be changed into " lower surface ", " following table
Face " will be changed into " upper surface ".
The rotor of embodiments of the invention is described in detail next, with reference to Fig. 1 to Fig. 9.
Fig. 1 is the partial schematic diagram for showing rotor according to an embodiment of the invention, and Fig. 2 is that the portion P for showing Fig. 1 is put
Big schematic diagram, Fig. 3 is the schematic diagram for showing magnetic pole box according to an embodiment of the invention, and Fig. 4 is to show the reality according to the present invention
The schematic diagram of the carrier board of example is applied, Fig. 5 is the partial schematic diagram for showing to install the first press strip in rotor rim, and Fig. 6 is to show
The partial schematic diagram of first press strip is installed in rotor rim, Fig. 7 is the signal for showing to install the first press strip in rotor rim
Property partial section, Fig. 8 is the top view for showing the second press strip according to an embodiment of the invention, and Fig. 9 is shown according to this hair
The sectional view of second press strip of bright embodiment.
As shown in Figures 1 to 9, rotor 1000 may include according to an embodiment of the invention：Rotor rim 100；Multiple
One press strip 200, multiple arows of first press strip 200 are arranged in the installation surface of rotor rim 100, multiple first press strips 200
Set along the circumferencial direction of rotor rim 100 according to predetermined space, with adjacent two row first in multiple first press strips 200
Groove 201 is formed between press strip 200；Magnetic pole module 300, including the carrier board 310 of magnet 330 is fixed with, magnetic pole module 300 is set
In groove 201, wherein, in rotor rim 100 radially, each first press strip 200 and carrier in multiple first press strips 200
Corresponding carrier board 310 has predetermined gap G in plate 310 (see Fig. 2)；Multiple second press strips 400, multiple second press strips 400 into
Row ground arrangement, multiple first press strips 200 arranged with arow are corresponding and coordinate, so that predetermined gap G is filled, with immobilization carrier
Plate 310.
Embodiments in accordance with the present invention, motor can be made up of stator and rotor.Wherein, the structure of motor can be default
(that is, stator is along rotor for son, outer-rotor structure (that is, periphery of the rotor along stator is set) or internal rotor, outer stator structure
Periphery is set).In the case that the structure of motor is internal rotor, external stator, the installation surface of rotor rim is rotor rim
Outer peripheral face.In the case that the structure of motor is inner stator, outer rotor, the installation surface of rotor rim is the inner circumferential of rotor rim
Face.Describe for convenience, below by by inner stator of the structure of motor, outer-rotor structure is described as example.
As shown in figure 1, rotor 1000 includes the rotor magnetic that its installation surface is inner peripheral surface according to an embodiment of the invention
Yoke 100.
Embodiments in accordance with the present invention, can be by double layering structures including the first press strip 200 and the second press strip 400 by magnetic
Pole module 300 is fixed in rotor rim 100.
First, reference picture 3 and Fig. 4 are described to magnetic pole module 300 according to an embodiment of the invention.As shown in figure 3, magnetic
Pole module 300 may include carrier board 310, the magnetic pole box 320 fixed to carrier board 310 and the magnet being sealed in magnetic pole box 320
330。
According to the exemplary embodiment of the present invention, for example, carrier board 310 can be formed by steel or other permeability magnetic materials.Such as
Shown in Fig. 3 and Fig. 4, the upper surface of carrier board 310 can have the installation surface (inner circumferential in Fig. 1 corresponding to rotor rim 100
Face) shape.The lower surface of carrier board 310 can be plane, so as to the magnet 330 in carrier board 310 and magnetic pole box 320 it
Between form encapsulant, without producing extra space.
Carrier board 310 can have first step portion 311, and first step portion 311 can be by making carrier board 310 along its width side
To both side surface inwardly concave preset distance and formed.Magnetic pole module 300 can be pushed into by forming first step portion 311
In gap 201.In order to which successfully magnetic pole module 300 is pushed into gap 201, predetermined gap G may be formed at first step portion 311
Between the first press strip 200, it will be described in detail later.However, the invention is not restricted to this, when the radial direction along rotor rim 100
When distance between the first press strip 200 and carrier board 310 is enough, first step portion 311 can not be also formed.
According to the exemplary embodiment of the present invention, magnet 330 can be sealed (for example, using fluid sealant) in magnetic pole box 320
In, magnetic pole box 320 can be fixed on carrier board 310, so as to prevent that magnet 330 from contacting with moisture, corrosive medium and is corroded.
Preferably, magnet 330 is permanent magnet, for example, it may include neodymium iron boron (Nd2Fe14B).Preferably, magnetic pole box 320 can have and magnetic
The similar shape of the shape of body 330.
In order to which magnetic pole box 320 is fixed on carrier board 310, for example, as shown in figure 4, can be by making under carrier board 310
Peripheral direction of the portion along carrier board 310 inwardly concaves preset distance and second step portion 312 is formed on carrier board 310, magnetic
The side wall of pole box 320 can be for example, by being welded and fixed the stage portion 312 of carrier board 310.
First press strip 200, can be arranged in rotor rim 100, then arrange again by embodiments in accordance with the present invention first
Magnetic pole module 300.First press strip 200 can be used for limiting the installation region of magnetic pole module 300 and position magnetic pole module 300.
Fig. 5 and Fig. 6 are that the radial development figure in the case of the first press strip 200 is only installed in rotor rim 100.Such as Fig. 5
With shown in Fig. 6, the first press strip 200 can be arranged in columns on the inner peripheral surface of rotor rim 100.Preferably, the first press strip 200 can
On the inner peripheral surface that rotor rim 100 is evenly provided on according to predetermined space.
Embodiments in accordance with the present invention, the arranged direction L1 of the first press strip of each column 200 can parallel to rotor rim 100 axle
To L2, as shown in Figure 5.Alternatively, the arranged direction L1 of the first press strip of each column 200 can be with the axial L2 of rotor rim 100 into pre-
Determine angle beta, as shown in fig. 6, wherein, 0 °<β≤5 °, in this case, can reduce vibration of the motor in practical work process
And noise.
Embodiments in accordance with the present invention, two adjacent the first press strips of row 200 can be set according to predetermined space, with in-between
Groove 201 is formed, so that for accommodating magnetic pole module 300.
As shown in figure 1, magnetic pole module 300 may be provided in each groove 201, so as to form multiple row magnetic pole module 300.According to
Can be set in embodiments of the invention, each groove 201 has multiple magnetic pole modules 300.
Magnetic pole module 300, can be pushed into groove 201 by embodiments in accordance with the present invention.For example, as shown in Figure 5 and Figure 6, can
Magnetic pole module is pushed into groove 201 for 300 1 pieces by one piece from top.In order to ensure successfully to be pushed into magnetic pole module 300, carrier
The press strip 200 of plate 310 and first radially has predetermined gap G rotor rim 100.
Embodiments in accordance with the present invention, in order to prevent radial direction of the magnetic pole module 300 as described above along rotor rim 100 from taking off
From rotor rim 100, as depicted in figs. 1 and 2, the first press strip 200 may include main part 210 and from main part 210 towards main body
The overlapping portions that the grooves 201 of the both sides of portion 210 extends, overlapping portions two carrier boards 310 adjacent with its can be partly stacked respectively.
Alternatively, the section of main part 210 can be square, rectangle, trapezoidal etc., and be not particularly limited.It is optional
Ground, overlapping portions may include the He of the first protuberance 220 prominent in mutually opposite directions on the width of the first press strip 200
Second protuberance 230, as depicted in figs. 1 and 2.
However, according to the present invention overlapping portions not limited to this, as long as the two bottom sides of the first press strip 200 respectively with its phase
Two adjacent carrier boards 310 are partly stacked.
Embodiments in accordance with the present invention, can be welded to rotor rim 100 by welding by the first press strip 200.First press strip
200 can be the alloy material for being suitable for welding.Preferably, the first press strip 200 can be stainless steel or carbon steel.
For example, the first press strip 200 can be welded into rotor rim 100 by spot welding.For example, as shown in Figure 5 and Figure 6, can
The welding connecting hole 202 of welding is equably provided on the first press strip 200, (such as Fig. 2 of solder 203 is then utilized by spot welding
With shown in Fig. 5) the first press strip 200 is welded to rotor rim 100.However, the invention is not restricted to this, also can be by plug welding by
One press strip 200 is welded to rotor rim 100.
Embodiments in accordance with the present invention, compared with the first press strip 200 is fixed into rotor rim 100 using bolt, pass through
First press strip 200 is welded to rotor rim 100, the weight of rotor 1000 can be effectively reduced.
As noted previously, as the press strip 200 of carrier board 310 and first radially has predetermined gap in rotor rim 100
G, therefore only can not fixed magnetic pole module 300 by the first press strip 200.
For fixed magnetic pole module 300, rotor 1000 may also include the second press strip 400 according to an embodiment of the invention,
Second press strip 400 can match with the first press strip 200 and merge filling predetermined gap G, so as to further immobilization carrier plate 310.
Embodiments in accordance with the present invention, the second press strip 400, which can have, can merge with the matching of the first press strip 200 and can fill
Predetermined gap G shape.
Embodiments in accordance with the present invention, as shown in Figure 8 and Figure 9, the second press strip 400 may include main part 410 and from master
Body portion 410 extends the first auxiliary section 420 and the second auxiliary section 430 to coordinate respectively with the overlapping portions of the first press strip 200.It is optional
Ground, the first auxiliary section 420 and the second auxiliary section 430 can be located at the two ends on the width of main part 410.
As shown in Fig. 2 main part 410 can be in contact with the basal surface of the first press strip 200.Include first in overlapping portions to protrude
In the case of the protuberance 230 of portion 220 and second, the first auxiliary section 420 and the second auxiliary section 430 can have around the first protuberance
220 and second protuberance 230 L-type structure.For example, as shown in figure 9, the first auxiliary section 420 and the second auxiliary section 430 can be formed
L-type structure relative to each other, so that the hollow rectangular shape that the part for surrounding top with main part 410 is opened wide.
In addition, in addition to the T-shaped cross section described in Fig. 7, the cross section of the first press strip 200 can also be trapezoidal shape
Shape, the first auxiliary section 420 and the second auxiliary section 430 can be in close contact with a part for the trapezoidal waist of the first press strip 200,
In this case, different from the structure described in Fig. 9, the first auxiliary section 420 and the second auxiliary section 430 can enclose with main part 410
Into dovetail groove.
However, the shape not limited to this of the first auxiliary section 420 and the second auxiliary section 430, but can be according to the first press strip 200
Overlapping portions shape change and adaptively change., can be right in the case where understanding the main inventive concept of the present invention
The shape of first press strip 200 and the second press strip 400 carries out various modifications, as long as ensureing the first press strip 200 and the energy of the second press strip 400
Enough cooperate and the second press strip 400 can fill predetermined gap G.
Embodiments in accordance with the present invention, can by from one end of the first press strip 200 (for example, as shown in Figure 5 and Figure 6 upper
End) it is pushed into the second press strip 400 and the second press strip 400 is coupled to the first press strip 200.
It should be understood that in order to which the second press strip 400 is installed into the first press strip 200, the second press strip 400 and the first press strip
Can have certain gap, and the first auxiliary section 420 and the second auxiliary section 430 and carrier board 310 between 200 mating surface
Also there can be certain gap between mating surface.
Embodiments in accordance with the present invention, the first auxiliary section 420 and the second auxiliary section 430 of the second press strip 400 can be by being heated
The elastomeric material that can be expanded is formed.In this case, the first auxiliary section 420 and the second auxiliary section 430 can be subsequently formed
Coating 500 and expand in the heating technique that carries out or during motor operational heat, so as to be filled up completely with it is predetermined between
Gap G.Preferably, the elastomeric material of the first auxiliary section 420 and the second auxiliary section 430 can be ageing-resistant.
However, the first auxiliary section 420 and the second auxiliary section 430 are not limited to be formed by the heated elastomeric material that can be expanded,
Also it can be formed by alloy material.Alternatively, main part 410 can be by the material phase with the first auxiliary section 420 and the second auxiliary section 430
Same material or different materials is formed.
Preferably, main part 410 can be formed by alloy material, in this case, can be by welding the second press strip 400
Fixed to the first press strip 200.Second press strip 400 can be any alloy material for being suitable for welding.Preferably, the second press strip
400 can be stainless steel or carbon steel.
For example, the second press strip 400 can be welded into the first press strip 200 by spot welding.As shown in figure 8, can be in the second pressure
Welding connecting hole 401 is opened up on bar 400, the second press strip 400 is then welded to by the first pressure using solder (not shown) by spot welding
Bar 200.Embodiments in accordance with the present invention, by the way that the second press strip 400 is welded into the first press strip 200, with utilizing bolt by second
Press strip 400 is compared fixed to the first press strip 200, can be effectively reduced the weight of rotor 1000.
Embodiments in accordance with the present invention, the first press strip of each column 200 includes multiple first press strips 200, the second press strip of each column 400
Including multiple second press strips 400, wherein, the length of single second press strip 400 is short than the length of single first press strip 200, from
And the second press strip 400 easily can be coupled to the first press strip 200, prevent because the second press strip 400 is being welded to the first press strip
The deformation that is produced when 200 and cause the second press strip 400 and the mismatch of the first press strip 200.
Embodiments in accordance with the present invention, the overall length that the total length of the second press strip of each column 400 can be with the first press strip of each column 200
Degree is substantially identical, to firmly fix magnetic pole module 300.
In addition, embodiments in accordance with the present invention, in order to prevent being axially disengaging along rotor rim 100 of magnetic pole module 300
Rotor rim 100, can be formed for the one end for fixing each column magnetic pole module 300 in rotor rim 100 (for example, before in Fig. 5
End) the first fixed part and for fix each column magnetic pole module 300 the other end (for example, rear end in Fig. 5) second fix
Portion.
As shown in Figure 5 and Figure 6, rotor rim 100 may include the Part I 110 with the first interior diameter and with second
The Part II 120 of interior diameter, the first interior diameter can be more than the second interior diameter, so that Part II 120 can be along rotor rim
100 radially-inwardly prominent and form circular protrusion.Embodiments in accordance with the present invention, can set first on Part I 110
Press strip 200 and magnetic pole module 300, and first that Part II 120 can be used as fixing the front end of each column magnetic pole module 300 is fixed
Portion, i.e. the first fixed part can be the circular protrusion being arranged in rotor rim 100.However, the invention is not restricted to this, first
Fixed part can be any type of fixture for the front end that can fix each column magnetic pole module 300, and be not particularly limited.
After a row magnetic pole module 300 is pushed into groove 201, the can be set in the rear end of the row magnetic pole module 300
Two fixed parts fix the rear end of the row magnetic pole module 300.For example, as shown in Figure 5 and Figure 6, can rotor rim 100 with it is every
Screwed hole 10 is formed at the corresponding position in rear end of row magnetic pole module 300, can after the row magnetic pole module 300 is all pushed into
Second fixed part is installed by bolt and the grade of screwed hole 10.For example, the second fixed part can be fixed block.However, the present invention is not
It is limited to this, the second fixed part can be other parts of any rear end for fixing each column magnetic pole module 300, without specifically being limited
System.
Embodiments in accordance with the present invention, rotor 1000 may also include covering magnetic pole module 300, the first press strip 200 and second
The coating 500 of press strip 400, wherein, coating 500 may include resin.In addition, coating 500 may also include curing agent etc..
As depicted in figs. 1 and 2, can be after magnetic pole module 300, the first press strip 200 and the second press strip 400 is fixed
Coating 500 is formed on magnetic pole module 300, the first press strip 200 and the second press strip 400, for example, can be in the whole of rotor rim 100
Coating 500 is integrally formed on lower surface.
By forming the coating 500 of covering magnetic pole module 300, it can prevent moisture, corrosive medium etc. from penetrating into magnetic pole box 320
In and contacted with magnet 330.In addition, coating 500 can also strengthen the mechanical performance of magnetic pole module 300, to meet the actual fortune of motor
Mechanical fatigue requirement during turning.
The method for forming coating 500 is not particularly limited, and can form coating by any means known in the art
500.Preferably, it can be filled according to Authorization Notice No. for the vacuum assisted resin disclosed in CN204160781U utility model patent
Injecting method come formed according to the present invention exemplary embodiment coating 500.
Hereinafter, the method that manufacture rotor according to an embodiment of the invention 1000 described above will be described.It should be understood that
It is that the first press strip 200, the press strip 400 of magnetic pole module 300 and second can have according to above-mentioned implementation according to an embodiment of the invention
Structure identical structure described in example, therefore in order to avoid redundancy, its repetitive description will be omitted.
The manufacture method of rotor 1000 may include according to an embodiment of the invention：In the rotor rim 100 of rotor 1000
Installation surface (for example, inner peripheral surface) on arow arrange the first press strip 200, multiple first press strips 200 are along rotor rim
100 circumferencial direction is set according to predetermined space, is formed in multiple first press strips 200 between two adjacent the first press strips of row 200
Groove 201；Magnetic pole module 300 is pushed into groove 201, wherein, magnetic pole module 300 includes the carrier board 310 for being fixed with magnet 330,
In rotor rim 100 radially, each first press strip 200 load corresponding with carrier board 310 in multiple first press strips 200
There is predetermined gap G between body plate 310；The second press strip 400, multiple second are pushed between two adjacent row magnetic pole modules 300
The arow of press strip 400 arranges that multiple first press strips 200 arranged with arow are corresponding and coordinate, so as to fill predetermined gap G.
Alternatively, as shown in figure 5, the arranged direction L1 of the first press strip of each column 200 can parallel to rotor rim 100 axial direction
L2.Alternatively, the arranged direction L1 of the first press strip of each column 200 can be with the axial L2 of rotor rim 100 into predetermined angular β, such as Fig. 6
It is shown.
Embodiments in accordance with the present invention, by the first press strip 200 can be welded to rotor magnetic for example, by the welding procedure of spot welding
Yoke 100.
Alternatively, magnetic pole module 300 can be pushed into each groove 201 to form multiple row from one end in the axial direction of groove 201
Magnetic pole module 300, for example, multiple magnetic pole modules 300 can be set in each groove 201.
Embodiments in accordance with the present invention, before push-in magnetic pole module 300, can set in the front end of each column magnetic pole module 300
Put the first fixed part for fixed magnetic pole module 300.For example, the first fixed part can be provided in rotor rim 100
Circular protrusion.
Embodiments in accordance with the present invention, after push-in magnetic pole module 300, can set in the rear end of each column magnetic pole module 300
Put the second fixed part for fixed magnetic pole module 300.The structure of second fixed part is not particularly limited, as long as magnetic can be prevented
Pole module 300 is deviate from from the rear end of each column groove 201.
In order to ensure that magnetic pole module 300 is successfully pushed into, along the radial direction of rotor rim 100 in carrier board 310 and first
There is predetermined gap G between press strip 200.
Next, being pushed into the second press strip being engaged with the first press strip 200 between two adjacent row magnetic pole modules 300
400, the second press strip 400 can fill predetermined gap G, so that the carrier board 310 of fixed each column magnetic pole module 300, prevents magnetic pole mould
Radial direction of the block 300 along rotor rim 100 departs from rotor rim 100.
Embodiments in accordance with the present invention, it is preferable that can be welded to the second press strip 400 for example, by the welding procedure of spot welding
First press strip 200.
Embodiments in accordance with the present invention, after magnetic pole module 300, the first press strip 200 and the second press strip 400 is fixed,
Coating 500 can be integrally formed on the whole lower surface of rotor rim 100, to prevent moisture, corrosive medium etc. from penetrating into magnetic
Contacted in pole box 320 with magnet 330.In addition, in the cooperation by the press strip 200 of coating 500 and first and the second press strip 400
, can be without the second press strip 400 be welded into the first pressure using other welding procedure in the case of the second press strip 400 can be fixed
Bar 200.
As described above, being formed with the protuberance by processing T-shaped and L-shaped on rotor of prior art for fixing magnet
Groove compare, rotor 1000 and its manufacture method are by using the first press strip 200 and the second pressure according to an embodiment of the invention
Double layering structures of bar 400 position and fix magnetic pole module 300, can avoid carrying out rotor 1000 processing of complexity, so that
Production cost can be reduced, and installation accuracy can be ensured.
In addition, rotor 1000 and its manufacture method can be by welding the first press strip 200 according to an embodiment of the invention
Fixed to rotor rim 100 and can by weld by the second press strip 400 be fixed to the first press strip 200, so as to avoid using spiral shell
Bolt is fixed, and reduces the gross weight of whole rotor 1000.
Although the exemplary embodiment of the present invention has been described in detail with reference to its exemplary embodiment, this area
It is to be understood by the skilled artisans that in the case where not departing from the spirit and scope of the present invention that claim is limited, can be to it
Various changes in carry out form and details.
Claims (16)
1. a kind of rotor, it is characterised in that the rotor (1000) includes：
Rotor rim (100)；
Multiple first press strips (200), the multiple first press strip (200) arow is arranged in the peace of the rotor rim (100)
Fill on surface, circumferencial direction of the multiple first press strip (200) along the rotor rim (100) is set according to predetermined space
Put, to form groove (201) between adjacent two the first press strips of row (200) in the multiple first press strip (200)；
Magnetic pole module (300), including the carrier board (310) of magnet (330) is fixed with, the magnetic pole module (300) is arranged on institute
State in groove (201), wherein, in the rotor rim (100) radially, each in the multiple first press strip (200)
There is predetermined gap (G) between one press strip (200) carrier board (310) corresponding with the carrier board (310)；
Multiple second press strips (400), the multiple second press strip (400) arow arrangement is the multiple with arow arrangement
First press strip (200) correspondence simultaneously coordinates, so as to fill the predetermined gap (G).
2. rotor according to claim 1, it is characterised in that each first pressure in the multiple first press strip (200)
Bar (200) includes main part (210) and from the main part (210) towards being stacked that the groove (201) of main part (210) both sides extends
Portion, the overlapping portions is partly stacked with two adjacent carrier boards (310) respectively, and second press strip (400) includes main body
Portion (410) and from the main part (410) extend with respectively with the overlapping portions coordinate the first auxiliary section (420) and second
Auxiliary section (430).
3. rotor according to claim 2, it is characterised in that the overlapping portions is included in each first press strip (200)
First protuberance (220) and the second protuberance (230) prominent in mutually opposite directions on width, described first coordinates
Portion (420) and second auxiliary section (430) have surrounds first protuberance (220) and second protuberance respectively
(230) L-type structure.
4. rotor according to claim 2, it is characterised in that the cross section of first press strip (200) is trapezoidal shape.
5. the rotor according to any one of claim 2 to 4, it is characterised in that first auxiliary section (420) and described
Second auxiliary section (430) is formed by the elastomeric material of expanded by heating.
6. rotor according to any one of claim 1 to 4, it is characterised in that the carrier board (310) includes First
Rank portion (311), the first step portion (311) is by making width side of the carrier board (310) along the carrier board (310)
To both sides inwardly concave and formed.
7. rotor according to any one of claim 1 to 4, it is characterised in that the first press strip of the arow arrangement
(200) axial direction parallel to the rotor rim (100) or with the axial direction of the rotor rim (100) into predetermined angular.
8. rotor according to any one of claim 1 to 4, it is characterised in that the first press strip (100) includes described in each column
Multiple first press strips (100), the second press strip (400) described in each column includes multiple second press strips (400), wherein, single described the
The length of two press strips (400) is shorter than the length of single first press strip (100), the overall length of the second press strip (400) described in each column
Degree is equal with the total length of the first press strip (100) described in each column.
9. rotor according to any one of claim 1 to 4, it is characterised in that each first press strip (200) passes through welding
Fixed to the rotor rim (100), each second press strip (400) is fixed by welding to first press strip (200).
10. rotor according to any one of claim 1 to 4, it is characterised in that the rotor (1000) is additionally included in institute
One end and the first fixed part of the other end and second of each column magnetic pole module (300) are fixed in the axial direction for stating rotor rim (100)
Fixed part, wherein, first fixed part is the circular protrusion being arranged in the rotor rim (100).
11. rotor according to any one of claim 1 to 4, it is characterised in that the magnetic pole module (300) also includes
Magnetic pole box (320), the magnetic pole box (320) is fixed to the carrier board (310), and the magnet (330) is sealed in the magnetic pole
In box (320).
12. rotor according to any one of claim 1 to 4, it is characterised in that the rotor (1000) also includes coating
(500), the coating (500) covers the magnetic pole module (300), first press strip (200) and second press strip
(400), the coating (500) includes resin.
13. a kind of manufacture method of rotor, it is characterised in that the manufacture method includes：
Arow arranges multiple first press strips (200) in the installation surface of the rotor rim (100) of rotor (1000), described many
Circumferencial direction of individual first press strip (200) along the rotor rim (100) is set according to predetermined space, with the multiple
Groove (201) is formed in one press strip (200) between two adjacent the first press strips of row (200)；
Magnetic pole module (300) is pushed into the groove (201), wherein, the magnetic pole module (300) includes being fixed with magnet
(330) carrier board (310), it is in the rotor rim (100) radially, each in the multiple first press strip (200)
There is predetermined gap (G) between first press strip (200) carrier board (310) corresponding with the carrier board (310)；
The second press strip (400), the second press strip (400) arow cloth are pushed between two adjacent row magnetic pole modules (300)
Put, the multiple first press strip (200) arranged with arow is corresponding and coordinate, so as to fill the predetermined gap (G).
14. manufacture method according to claim 13, it is characterised in that by welding that each first press strip (200) is solid
In the installation surface for being scheduled on the rotor rim (100), and by welding second press strip (400) fixed to described
First press strip (200).
15. manufacture method according to claim 13, it is characterised in that the manufacture method is additionally included in the magnetic pole mould
Coating (500) is formed on block (300), first press strip (200) and second press strip (400), the coating (500) includes
Resin.
16. a kind of motor, it is characterised in that the motor includes the rotor as any one of claim 1-12
(1000)。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710417303.7A CN107017717B (en) | 2017-06-06 | 2017-06-06 | Rotor, method of manufacturing rotor, and motor including rotor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710417303.7A CN107017717B (en) | 2017-06-06 | 2017-06-06 | Rotor, method of manufacturing rotor, and motor including rotor |
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| CN107017717A true CN107017717A (en) | 2017-08-04 |
| CN107017717B CN107017717B (en) | 2023-04-18 |
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| CN201710417303.7A Active CN107017717B (en) | 2017-06-06 | 2017-06-06 | Rotor, method of manufacturing rotor, and motor including rotor |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109950991A (en) * | 2019-05-05 | 2019-06-28 | 新疆金风科技股份有限公司 | Yoke assembly, motor, wind power generating set and motor assembling method |
| CN110336394A (en) * | 2019-06-25 | 2019-10-15 | 北京金风科创风电设备有限公司 | Rotor, motor and wind generating set |
| CN110401281A (en) * | 2019-07-22 | 2019-11-01 | 浙江大学 | Rotor and motor comprising it |
| CN112701826A (en) * | 2020-12-18 | 2021-04-23 | 西安中车永电捷力风能有限公司 | Modularized magnetic pole unit structure of wind driven generator |
| EP4220901A1 (en) * | 2022-02-01 | 2023-08-02 | Siemens Gamesa Renewable Energy A/S | Permanent magnet machine |
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| JP2001078376A (en) * | 1999-09-03 | 2001-03-23 | Kokusan Denki Co Ltd | Magnet rotor for dynamo-electric machine |
| JP2005354768A (en) * | 2004-06-09 | 2005-12-22 | Okuma Corp | Surface magnet type magnetic field rotor and motor utilizing same |
| CN1770594A (en) * | 2004-10-01 | 2006-05-10 | 株式会社电装 | Rotary electric machine for vehicles |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109950991A (en) * | 2019-05-05 | 2019-06-28 | 新疆金风科技股份有限公司 | Yoke assembly, motor, wind power generating set and motor assembling method |
| CN109950991B (en) * | 2019-05-05 | 2023-07-04 | 新疆金风科技股份有限公司 | Magnet yoke assembly, motor, wind generating set and sleeving method of motor |
| CN110336394A (en) * | 2019-06-25 | 2019-10-15 | 北京金风科创风电设备有限公司 | Rotor, motor and wind generating set |
| CN110336394B (en) * | 2019-06-25 | 2022-11-11 | 北京金风科创风电设备有限公司 | Rotor, motor and wind generating set |
| CN110401281A (en) * | 2019-07-22 | 2019-11-01 | 浙江大学 | Rotor and motor comprising it |
| CN110401281B (en) * | 2019-07-22 | 2020-12-29 | 浙江大学 | Motor rotor and motor comprising same |
| CN112701826A (en) * | 2020-12-18 | 2021-04-23 | 西安中车永电捷力风能有限公司 | Modularized magnetic pole unit structure of wind driven generator |
| EP4220901A1 (en) * | 2022-02-01 | 2023-08-02 | Siemens Gamesa Renewable Energy A/S | Permanent magnet machine |
| WO2023147974A1 (en) * | 2022-02-01 | 2023-08-10 | Siemens Gamesa Renewable Energy A/S | Permanent magnet machine |
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| CN107017717B (en) | 2023-04-18 |
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