CN208401654U - Carrier board, whole pole module, press strip, rotor and motor - Google Patents
Carrier board, whole pole module, press strip, rotor and motor Download PDFInfo
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- CN208401654U CN208401654U CN201821052580.9U CN201821052580U CN208401654U CN 208401654 U CN208401654 U CN 208401654U CN 201821052580 U CN201821052580 U CN 201821052580U CN 208401654 U CN208401654 U CN 208401654U
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- 238000005868 electrolysis reaction Methods 0.000 claims description 37
- 239000011241 protective layer Substances 0.000 claims description 8
- 238000004519 manufacturing process Methods 0.000 abstract description 8
- 238000012536 packaging technology Methods 0.000 abstract description 5
- 238000004806 packaging method and process Methods 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 16
- 238000000034 method Methods 0.000 description 10
- 238000009434 installation Methods 0.000 description 6
- 230000002093 peripheral effect Effects 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 3
- 238000005253 cladding Methods 0.000 description 3
- 239000007769 metal material Substances 0.000 description 3
- 238000005260 corrosion Methods 0.000 description 2
- 239000003292 glue Substances 0.000 description 2
- 230000005389 magnetism Effects 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 1
- 238000010923 batch production Methods 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
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- 230000007797 corrosion Effects 0.000 description 1
- 238000002788 crimping Methods 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003822 epoxy resin Substances 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
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- Permanent Field Magnets Of Synchronous Machinery (AREA)
Abstract
The utility model relates to a kind of carrier board, whole pole module, press strip, rotor and motors.Carrier board is used for the whole pole module of rotor, comprising: body part, body part has opposite first end face and second end face on the first direction that length extends, there are opposite first surface and second surface in thickness direction, second surface is used to carry multiple permanent magnets of whole pole module；And protrusion, it is protruded respectively by the two sides in the width direction of body part and is formed and extended in a first direction, protrusion includes the first pressure-bearing surface and the second pressure-bearing surface, second pressure-bearing surface and first surface are continuously distributed, and the first pressure-bearing surface moves closer to the second pressure-bearing surface by the direction of first end face to second end face to form inclined surface.The utility model simplifies the packaging technology of whole pole module, improves the packaging efficiency of rotor, while reducing the cost of manufacture of rotor, is conducive to large-scale serial production.
Description
Technical field
The utility model relates to technical field of wind power generation, more particularly to a kind of carrier board, whole pole module, rotor and electricity
Machine.
Background technique
Existing direct-drive permanent magnet generator includes stator and rotor, in the large-scale generator of such as wind power generating set, is turned
Attached bag includes rotor rim and is fixed to the permanent magnet to magnetize in rotor rim.
Rotor generally provides alternating magnetic field by the whole pole module of multiple row, and the whole pole module of each column is by multiple permanent magnets or including forever
Multiple magnetic pole modules of magnet form.Fixed part is machined on the inner wall of rotor rim, the whole pole module needs of each column repeat
Permanent magnet or magnetic pole module are assembled into the fixed part by identical packaging technology one by one, and assembly or disassembly process is complicated.In addition, group
Whole pole module after dress and there is gap between the inner wall of rotor rim, moisture, corrosive medium etc. penetrate into rotor rim in order to prevent
Inner wall contacted with permanent magnet, need to carry out secondary anti-corrosion using resin compounded coating, technique is cumbersome, and the knot of rotor rim
Structure is complicated, needs numerical control machining center ability accurate machining, higher to equipment and cost requirement.
Utility model content
The purpose of the utility model is to provide a kind of carrier board, whole pole module, press strip, rotor and motors, can simplify
The packaging technology of whole pole module, improves the packaging efficiency of rotor.
On the one hand, the utility model embodiment proposes a kind of carrier board, for the whole pole module of rotor, carrier board
It include: body part, body part has opposite first end face and second end face on the first direction that length extends, certainly
Body thickness direction has opposite first surface and second surface, and second surface is used to carry multiple permanent magnets of whole pole module；
And protrusion, it is protruded respectively by the two sides in the width direction of body part and is formed and extended in a first direction, protrusion includes the
One pressure-bearing surface and the second pressure-bearing surface, the second pressure-bearing surface and first surface are continuously distributed, and the first pressure-bearing surface is by first end face to second
The direction of end face moves closer to the second pressure-bearing surface to form inclined surface.
According to the one aspect of the utility model embodiment, the first surface of body part is arcwall face, and second surface is flat
Face, the curvature of the second pressure-bearing surface and the curvature of first surface are equal；First pressure-bearing surface is connect with second surface, and the first pressure-bearing
Direction of the face further from the second pressure-bearing surface to second surface is gradually tilted to body part.
According to the one aspect of the utility model embodiment, the first surface of body part is arcwall face, and second surface is flat
Face, the curvature of the second pressure-bearing surface and the curvature of first surface are equal；Body part further comprises being connected to the first pressure-bearing surface and
Guiding face between two surfaces, direction of the guiding face from the first pressure-bearing surface to second surface are gradually tilted to body part.
According to the one aspect of the utility model embodiment, body part is close to the position of first end face and second end face along
The direction of two surfaces to first surface is respectively arranged with threaded hole；The screw thread that body part is arranged close to first end face and second end face
The quantity in hole is respectively two, the line between the central axis of two threaded holes and neighbouring first end face or second end face
Angle be equal to whole pole module be fixed on the predetermined angular on rotor.
According to the one aspect of the utility model embodiment, body part is close to the position of first end face along second surface to
The direction on one surface is further provided with first step hole, and first step hole is disposed adjacent with threaded hole.
On the other hand, the utility model embodiment also proposed a kind of whole pole module, and whole pole module includes: foregoing
Carrier board；Locating piece is respectively arranged at body part on the second surface of first end face and second end face；With multiple permanent magnetism
Body is arranged side by side on the second surface of body part and is located at along first direction and determined close to what first end face and second end face were arranged
Between the block of position.
According to the one aspect of the utility model embodiment, whole pole module further includes protective layer, wherein protective layer is coated on
First surface and the second pressure-bearing surface with a thickness of t1, the end face coated on protrusion with a thickness of t2, be coated on the first pressure-bearing surface
With a thickness of t3, the exposed surface coated on locating piece and permanent magnet with a thickness of t4, and t1 < t2≤t3≤t4.
On the other hand, the utility model embodiment additionally provides a kind of press strip, for consolidating foregoing whole pole module
Due to rotor, press strip includes: body part, and body part is on the first direction that length extends with the first opposite pressure
End face and the second press strip end face have opposite the first press strip surface and the second press strip surface in thickness direction；And pressure
Socket part is protruded by the two sides in the width direction of body part respectively and is formed and extended in a first direction, and pressure contact portion includes the first pressure
Junction and the second electrolysis, the second electrolysis and the first press strip surface are continuously distributed, the first electrolysis by the first press strip end face extremely
The direction of second press strip end face moves closer to the second electrolysis to form inclined surface, the first pressure-bearing surface of the carrier board of whole pole module
It is mutually overlapped with the first electrolysis of press strip along predetermined direction, whole pole module is fixed on rotor.
According to the one aspect of the utility model embodiment, the second press strip surface is arcwall face, the first electrolysis and states the
The connection of two press strip surfaces, and the first electrolysis is further from the direction of the second electrolysis to the second press strip surface gradually to ontology
Portion is tilted.
According to the one aspect of the utility model embodiment, the second press strip surface is arcwall face, and body part further comprises
The joint face being connected between the first electrolysis and the second press strip surface.
On the other hand, the utility model embodiment additionally provides a kind of rotor, and rotor includes: rotor rim, along axial tool
There are opposite open end and connecting pin；Multiple press strips, each press strip are foregoing press strip, and multiple press strips are along rotor rim
It is circumferentially-spaced to be distributed in mounting surface, and the second press strip surface of each press strip fits in mounting surface setting, each pressure
First press strip end face of item is arranged corresponding to connecting pin, and the second press strip end face of each press strip is arranged corresponding to open end；And
Multiple whole pole modules, each whole pole module are foregoing whole pole module, whole pole module be set to two adjacent press strips it
Between, and the second end face of carrier board is arranged corresponding to connecting pin, and the first end face of carrier board is arranged corresponding to open end.
According to the one aspect of the utility model embodiment, the open end of rotor rim is provided with the first fixed part, connection
End is provided with the second fixed part, wherein the second fixed part is set as being formed in the annular projection in mounting surface.
According to the one aspect of the utility model embodiment, the axial direction of multiple press strips and rotor rim is set in predetermined angular
It sets.
On the other hand, the utility model embodiment provides a kind of motor comprising foregoing rotor.
Carrier board, whole pole module, press strip, rotor and motor provided by the embodiment of the utility model, simplify whole pole module
Packaging technology, improve the packaging efficiency of rotor, while reducing the cost of manufacture of rotor, be conducive to extensive
Batch production.
Detailed description of the invention
The feature, advantage and technical effect of the utility model exemplary embodiment described below with reference to the accompanying drawings.
Fig. 1 is a kind of rotor of the motor provided by the embodiment of the utility model along the axial direction interception perpendicular to rotor
Partial structural diagram；
Fig. 2 is a kind of perspective structure schematic diagram of carrier board provided by the embodiment of the utility model；
Fig. 3 is the top view of carrier board shown in Fig. 2；
Fig. 4 is in Fig. 3 along the schematic cross sectional views in the direction A-A；
Fig. 5 is the perspective structure schematic diagram of another carrier board provided by the embodiment of the utility model；
Fig. 6 is a kind of perspective structure schematic diagram of whole pole module provided by the embodiment of the utility model；
Fig. 7 is the top view of whole pole module shown in fig. 6；
Fig. 8 is in Fig. 7 along the schematic cross sectional views in the direction B-B；
Fig. 9 is the top view of locating piece in whole pole module shown in fig. 6；
Figure 10 is schematic cross sectional views of the locating piece shown in Fig. 9 along the direction D-D；
Figure 11 is the partial enlargement diagram of region C in Fig. 8；
Figure 12 is a kind of perspective structure schematic diagram of press strip provided by the embodiment of the utility model；
Figure 13 is the perspective structure schematic diagram of another press strip provided by the embodiment of the utility model；
Figure 14 is the perspective structure schematic diagram of rotor shown in FIG. 1.
Wherein:
10- carrier board；The first end face of 11- carrier board；The second end face of 12- carrier board；The first surface of a- carrier board；
The second surface of b- carrier board；C- guiding face；The first pressure-bearing surface of 2a-；The second pressure-bearing surface of 2b-；3- threaded hole；4- first step
Hole；5- process Installation hole；X- first direction；
20- locating piece；The second side surface 21-；22- second step hole；The first hole 22a-；The second hole 22b-；The outer end 23-
Face；30- permanent magnet；The first side surface 32-；40- protective layer；
The whole pole module of 100-；200- press strip；The first press strip of 210- end face；The second press strip of 220- end face；The first press strip of 230-
Surface；The second press strip of 240- surface；The first electrolysis of 250-；The second electrolysis of 260-；270- through-hole；Joint face -280；
300- rotor rim；The open end 310-；The connecting pin 320-；The first fixed part of 311-；The second fixed part of 321-.
Specific embodiment
The feature and exemplary embodiment of the various aspects of the utility model is described more fully below.It is retouched in detail in following
In stating, many details are proposed, in order to provide the comprehensive understanding to the utility model.But for those skilled in the art
It will be apparent that the utility model can be implemented in the case where not needing some details in these details for member.
Below the description of embodiment is used for the purpose of providing by showing the example of the utility model to the more preferable of the utility model
Understanding.In the the accompanying drawings and the following description, at least part of known features and technology are not shown, to avoid to this reality
Unnecessary obscure is caused with novel；Also, for clarity, may be exaggerated the size of part-structure.In addition, hereinafter being retouched
Feature, the structure or characteristic stated can be incorporated in any suitable manner in one or more embodiments.
The noun of locality of middle appearance described below is direction shown in figure, be not to the carrier board of the utility model,
Whole pole module, press strip, rotor and motor specific structure be defined.It also needs to illustrate in the description of the present invention,
It is unless specifically defined or limited otherwise, term " installation ", " connection " shall be understood in a broad sense, for example, it may be fixed connect
It connects, is also possible to detachable connection, or be integrally connected；It can be directly connected, can also be indirectly connected.For this field
Those of ordinary skill for, visual concrete condition understands the concrete meaning of above-mentioned term in the present invention.
The utility model in order to better understand, below with reference to Fig. 1 to Figure 14 to the carrier board of the utility model embodiment,
Whole pole module, press strip, rotor and motor are described in detail.
Fig. 1 is a kind of rotor of the motor provided by the embodiment of the utility model along the axial direction interception perpendicular to rotor
Partial structural diagram.
Refering to fig. 1, the utility model embodiment provides a kind of motor comprising stator and rotor.Stator includes stator
Iron core, rotor include rotor rim 300, be fixed on rotor rim 300 mounting surface multiple press strips 200 and multiple whole pole moulds
Block 100.
Wherein, motor can be inner stator, outer-rotor structure, i.e. rotor is arranged along the periphery of stator, rotor rim 300
Mounting surface is the inner peripheral surface of rotor rim；Motor is also possible to internal rotor, outer stator structure, i.e. stator is set along the periphery of rotor
It sets, the mounting surface of rotor rim 300 is the outer peripheral surface of rotor rim, so that whole pole module 100 is oppositely arranged with stator core.
Multiple press strips 200 are distributed in mounting surface along the circumferentially-spaced of rotor rim 300, and whole pole module 100 is set to
Between two adjacent press strips 200.
Whole pole module 100 includes carrier board 10 and the multiple permanent magnets 30 being fixed on carrier board 10.Wherein, carrier board 10
The part contacted with adjacent press strip 200 is inclined-plane overlap joint cooperation, on the one hand, the whole pole module 100 after can making assembling is forever
To the outer peripheral surface (motor is inner stator, outer-rotor structure) or inner peripheral surface of stator core, (motor is internal rotor to magnet 30, outer fixed
Minor structure) the distance between it is equal；On the other hand, after whole pole module 100 is assemblied in the mounting surface of rotor rim 300, no
Gap between whole pole module 100, press strip 200 and rotor rim 300 can be eliminated by needing to apply secondary cladding process, be prevented wet
Gas, corrosive medium etc. are penetrated into whole pole module 100 and are contacted with permanent magnet 30, and explanation will be developed in details later.
The specific structure of each component of rotor is described in detail with reference to the accompanying drawing.It for ease of description, below will be with motor
Structure for inner stator, outer rotor is illustrated as example.
Fig. 2 is a kind of perspective structure schematic diagram of carrier board provided by the embodiment of the utility model.
Referring to Fig.2, the utility model embodiment provides a kind of carrier board 10, for the whole pole module 100 of rotor,
Carrier board 10 includes body part and protrusion.
Body part has opposite first end face 11 and second end face 12 on the first direction X that length extends,
Thickness direction has opposite first surface a and second surface b, and second surface b is for carrying the multiple of whole pole module 100
Permanent magnet 30.
Protrusion is protruded by the two sides in the width direction of body part respectively to be formed and extends along first direction X, protrusion
Including the first pressure-bearing surface 2a and the second pressure-bearing surface 2b, the second pressure-bearing surface 2b and first surface a are continuously distributed, the first pressure-bearing surface 2a by
The direction of first end face 11 to second end face 12 moves closer to the second pressure-bearing surface 2b to form inclined surface.First pressure-bearing surface 2a's
The inclined surface being arranged on inclined surface and press strip 200 mutually overlaps cooperation, and description will be developed in details later.
Carrier board 10 provided by the embodiment of the utility model can carry multiple permanent magnets 30 to form magnetic pole module, and
Each carrier board can only carry a permanent magnet to form magnetic pole module in the prior art, multiple magnetic pole modules form a line by
A mounting surface for being assembled into rotor rim constitutes a whole pole module.Compared with prior art, in the utility model embodiment
Carrier board 10 can simplify the packaging technology of whole pole module, later maintenance is also more convenient.
Fig. 3 is the top view of carrier board shown in Fig. 2, and Fig. 4 is in Fig. 3 along the schematic cross sectional views in the direction A-A.
Also referring to Fig. 3 and Fig. 4, the first surface a of body part is arcwall face, the mounting surface with rotor rim 300
It is adapted.The second surface b of body part is plane, the curvature and the curvature phase of first surface a of the second pressure-bearing surface 2b of protrusion
Deng being also adapted with the mounting surface of rotor rim 300.Body part further comprises being connected to the first pressure-bearing surface 2a and the second table
Guiding face c between the b of face, guiding face c are gradually tilted to body part from the first pressure-bearing surface 2a to the direction of second surface b.
The protrusion of carrier board 10 can be inserted in the slot of the mounting surface formation of press strip 20 and rotor rim 300 as a result,
To eliminate whole pole module 100, press strip 200 and rotor rim 300 in the gap radially of rotor.
Further, body part is close to the position of first end face 11 and second end face 12 along second surface b to first surface
The direction of a is respectively arranged with threaded hole 3, and the threaded hole 3 is for defining multiple permanent magnetism that the second surface b of body part can be carried
The space of body 30.
As an alternative embodiment, the threaded hole 3 that body part is arranged close to first end face 11 and second end face 12
Quantity be respectively two, the line L between the central axis of two threaded holes 3 and neighbouring first end face 11 or second
The angle theta of end face 12 is equal to whole pole module 100 and is fixed on the predetermined angular on rotor.In the arrangement side of whole pole module 100
In the case where axially parallel with rotor, which is zero.It is in the arranged direction of whole pole module and the axial direction of rotor
In the case where predetermined angular greater than zero, it can reduce motor vibration in practical applications and noise, the predetermined angular be general
It is taken as 0~5 °.
Further, body part is arranged close to the position of first end face 11 along the direction of second surface b to first surface a
There is first step hole 4, first step hole 4 is disposed adjacent with threaded hole 3.By passing through the fastener in first step hole 4 for whole pole
The carrier board 10 of module 100 is in the mounting surface that rotor rim 300 is fixed in the position of first end face 11.Preferably,
One stepped hole 4 is two.
In addition, being respectively arranged with process Installation hole 5 in the first end face 11 and second end face 12 of body part.When by whole pole
When module 100 is fixed to rotor rim 300, micro-adjustment pole mould can be convenient for using in tool or tooling insertion process mounting hole 5
Relative position of the block 100 in the mounting surface of rotor rim 300 realizes quickly positioning and installation, is also convenient for dismantling whole pole mould
Block 100.The quantity in process Installation hole 5 can be two or more, depending on the size of carrier board 10.
Fig. 5 is the perspective structure schematic diagram of another carrier board provided by the embodiment of the utility model.
Refering to Fig. 5, another kind carrier board provided by the embodiment of the utility model is similar with carrier board structure shown in Fig. 2,
The difference is that the structure of protrusion is different.Specifically, the first pressure-bearing surface 2a of protrusion is connect with second surface b, and
And first pressure-bearing surface 2a it is further gradually tilted to body part from the second pressure-bearing surface 2b to the direction of second surface b.It can manage
Solution is again provided on press strip 200 compatible with the carrier board 10 and overlapped the inclined surface first pressure-bearing surface 2a.
The first pressure-bearing surface 2a of protrusion is connect with second surface b as a result, on the one hand by the second pressure-bearing surface 2b to the second table
The direction of face b is gradually tilted to body part, on the other hand by the first end face of body part 11 to the direction of second end face 12 by
Gradually close to the second pressure-bearing surface 2b to form inclined surface, so that carrier board 10 is inserted into the mounting surface of press strip 20 and rotor rim 300
When in the slot of formation, eliminate whole pole module 100, press strip 200 and rotor rim 300 rotor radially and circumferentially between
Gap.
Fig. 6 is a kind of perspective structure schematic diagram of whole pole module provided by the embodiment of the utility model.
Refering to Fig. 6, the utility model embodiment provides a kind of whole pole module 100 comprising foregoing carrier board
10, locating piece 20 and multiple permanent magnets 30.
Locating piece 20 is respectively arranged at carrier board 10 on the second surface b of first end face 11 and second end face 12.
Multiple permanent magnets 30 are arranged side by side on the second surface b of the body part of carrier board 10 and are located at along first direction X
Between the locating piece 20 that first end face 11 and second end face 12 are arranged.
As previously mentioned, multiple permanent magnets 30 are arranged in one by whole pole module provided by the embodiment of the utility model together
On carrier board 10, disposably whole to a column permanent magnet 30 assembly or disassembly can be carried out, improve assembly efficiency, later period dimension
It protects also more convenient.
For ease of description, it is described by taking the structure of carrier board 10 shown in Fig. 2 as an example below.
Fig. 7 is the top view of whole pole module shown in fig. 6, and Fig. 8 is in Fig. 7 along the schematic cross sectional views in the direction B-B.
Referring to Figure 7 together and Fig. 8, permanent magnet 30 is in the width direction for corresponding to body part with opposite two the
One side surface 32, the first side surface 32 guiding face c gradient corresponding with body part are equal or roughly equal.It is described " substantially
It is equal " refer to that the first side surface 32 is differed with the tilt angle of guiding face c no more than ± 3 °.Preferably, the first side surface 32
Guiding face c corresponding with body part is coplanar.The bottom 31 of permanent magnet 30 fits in the second surface of the body part of carrier board 10
b.Multiple permanent magnets 30 are fixed in carrier side by side by the fixed glue such as epoxide-resin glue resistant to high temperature being coated on bottom 31
On the second surface b of the body part of plate 10 and it is located between two locating pieces 20.
Fig. 9 is the top view of locating piece in whole pole module shown in fig. 6, and Figure 10 is locating piece shown in Fig. 9 along the direction D-D
Schematic cross sectional views.
Referring to Figure 6 together, Fig. 9 and Figure 10, locating piece 20 have opposite in the width direction for corresponding to body part
Two the second side surfaces 21, the second side surface 21 guiding face c gradient corresponding with body part are equal or roughly equal.With it is preceding
State it is similar, it is described it is " roughly equal " refer to the second side surface 21 differed with the tilt angle of guiding face c be no more than ± 3 °.It is excellent
Selection of land, the second side surface 21 guiding face c corresponding with body part are coplanar.
In addition, locating piece 20 has opposite bottom surface and top surface in thickness direction, bottom surface fits in the of body part
Two surface b setting.X has outer end face 23 to locating piece 20 in a first direction, and outer end face 23 is lean-in by the direction of bottom surface to top surface
Tiltedly, outer end face 23 is used to that wind to be guided to flow along the length extending direction of carrier board, to reduce windage.
First side surface 32 corresponding with permanent magnet 30 the guiding face c of the body part of carrier board 10, locating piece 20 as a result,
The gradient of corresponding second side surface 21 is equal or roughly equal, it is preferable that guiding face c, the first side surface 32 and second
21 three of side surface is coplanar, so that being mounted between the two adjacent whole pole modules 100 of column in the mounting surface of rotor rim 300
The heat dissipation wind channel relative to mounting surface flaring is formed, convenient in time distributing the heat that permanent magnet 30 generates.
It should be noted that when carrier board 10 is structure shown in fig. 5, the first pressure-bearing surface of the body part of carrier board 10
2a and the gradient of corresponding first side surface 32 of permanent magnet 30, corresponding second side surface 21 of locating piece 20 are equal or big
It causes equal, it is preferable that the first pressure-bearing surface 2a, the first side surface 32 and 21 three of the second side surface are coplanar, in order in time will forever
The heat that magnet 30 generates distributes.
Further, locating piece 20 is provided with second step hole 22 on thickness direction, and second step hole 22 includes
The the first hole 22a and the second hole 22b being arranged in succession, the first hole 22a are arranged close to bottom surface, and the diameter of the first hole 22a is less than the
The diameter of two hole 22b.Second step hole 22 corresponds to the threaded hole 3 of the body part of carrier board 10, by passing through second step hole
22 and the fastener of threaded hole 3 locating piece 20 is fixed on carrier board 10, thus right in the second surface b of body part and two
The space for carrying multiple permanent magnets 30 is formed between locating piece 20, multiple permanent magnets 30 are arranged side by side on the sky along first direction X
In.
As previously mentioned, the central axis for two threaded holes 3 that the first end face 11 or second end face 12 of body part are arranged
Between line L and the angle of adjacent first end face 11 or second end face 12 be θ, two locating pieces 20, which pass through, passes through second
The space that the fastener of stepped hole 22 and threaded hole 3 is defined when being fixed on carrier board 10 make multiple permanent magnets 30 relative to
The length extending direction of carrier board is at angle theta.Arrangement side of the whole pole module 100 in the mounting surface of rotor rim 300 as a result,
To when being arranged with the axial direction of rotor in predetermined angle theta, each carrier board 10 can be more accurately positioned in rotor rim 300
Spatial position in mounting surface.
Figure 11 is the partial enlargement diagram of region C in Fig. 8.Refering to fig. 11, whole pole module 100 further includes protective layer 40,
After locating piece 20, permanent magnet 30 and carrier board 10 assemble, need to coat protective layer in the entire outer surface of whole pole module 100
40, it is corroded with preventing permanent magnet 30 and moisture, corrosive medium etc. from contacting.
The overcoat thickness of different location is different, for example, protective layer 40 is coated on the of the body part of carrier board 10
Second pressure-bearing surface 2b of one surface a and protrusion with a thickness of t1, the end face coated on protrusion with a thickness of t2, be coated on convex
Out the first pressure-bearing surface 2a in portion with a thickness of t3, the exposed surface coated on locating piece 20 and permanent magnet 30 with a thickness of t4, and
t1<t2≤t3≤t4.Wherein, t1 should be small as far as possible under the premise of meeting requirement for anticorrosion, avoids influencing permanent magnet 30 to magnetic yoke table
Non-magnetic distance between face 300.The exposed surface of locating piece 20 and permanent magnet 30 refer to locating piece 20, permanent magnet 30 with
All surface visible to the naked eye after carrier board 10 assembles.In addition, being applied when carrier board 10 is using structure shown in Fig. 2
The thickness for being overlying on the guiding face c of body part is also t4, is repeated no more.
Figure 12 is a kind of perspective structure schematic diagram of press strip provided by the embodiment of the utility model.
Refering to fig. 12, the utility model embodiment provides a kind of press strip 200, for will foregoing whole pole module
100 are fixed on rotor, and press strip 200 includes body part and pressure contact portion.
Body part has the first opposite press strip end face 210 and the second press strip on the first direction X that length extends
End face 220 has opposite the first press strip surface 230 and the second press strip surface 240 in thickness direction.
Pressure contact portion is protruded by the two sides in the width direction of body part respectively to be formed and extends along first direction X, pressure contact portion
Including the first electrolysis 250 and the second electrolysis 260, the second electrolysis 260 and the first press strip surface 230 are continuously distributed, and first
Electrolysis 250 moves closer to the second electrolysis 260 by the direction of 210 to the second press strip end face 220 of the first press strip end face to be formed
Inclined surface, the first pressure-bearing surface 2a of the carrier board 10 of whole pole module 100 and the first electrolysis 250 of press strip 200 are along predetermined direction
Mutually overlap joint, is fixed on rotor for whole pole module 100.
Further, the second surface 240 of the body part of press strip 200 is arcwall face, the installation table with rotor rim 300
Face is adapted.The first surface 230 of body part and 260 curvature of the second electrolysis of protrusion are equal, can be plane,
It can be curved surface, with no restrictions.Body part further comprises being connected between the first electrolysis 250 and second surface 240
Joint face 280, the pressure contact portion being consequently formed are adapted with the protrusion of carrier board shown in Fig. 2.As previously mentioned, carrier board 10
The first pressure-bearing surface 2a and the first electrolysis 250 mutually overlap joint of press strip 200 cooperate, eliminate whole pole module 100, press strip 200
And rotor rim 300 is in the gap radially of rotor.
In addition, the body part of press strip 200 is provided with the through-hole through thickness on the direction that length extends
270.Press strip 200 is fixed in the mounting surface of rotor rim 300 by through-hole 270.Press strip can use metal material system
Make, can also be made of nonmetallic materials resistant to high temperature.When using metal material production, press strip can also pass through welding
Mode is fixed in the mounting surface of rotor rim 300, is repeated no more.
Figure 13 is the perspective structure schematic diagram of another press strip provided by the embodiment of the utility model.
Refering to fig. 13, another kind press strip provided by the embodiment of the utility model is similar with layering structure shown in Figure 12, no
It is with place, the structure of pressure contact portion is different.Specifically, the first electrolysis 250 is connect with second surface 240, and first
Gradually tilted to body part, the crimping being consequently formed from the second electrolysis 260 to the direction of second surface 240 of electrolysis 250
Portion is adapted with the protrusion of carrier board shown in fig. 5.
As previously mentioned, the first electrolysis 250 of the press strip 200 is connect with second surface 240, on the one hand by the second electrolysis
260 is gradually tilted to body part to the direction of second surface 240, on the other hand by the first press strip end face 210 of body part to
The direction of second press strip end face 220 moves closer to the second electrolysis 260 to form inclined surface, with carrier board 10 shown in fig. 5
First pressure-bearing surface 2a mutually overlaps cooperation, so that carrier board 10 is inserted into the mounting surface formation of press strip 200 and rotor rim 300
When in slot, eliminate whole pole module 100, press strip 200 and rotor rim 300 rotor radially and circumferentially on gap.
Figure 14 is the perspective structure schematic diagram of rotor shown in FIG. 1.
Refering to fig. 14, the utility model embodiment provides a kind of rotor comprising: it is rotor rim 300, multiple as before
The press strip 200 and multiple foregoing whole pole modules 100.
Rotor rim 300 has opposite open end 310 and connecting pin 320 along axial.Used in wind power generating set
For rotor, open end 310 corresponds to pylon side, and connecting pin 320 corresponds to impeller side.
Multiple press strips 200 are distributed in mounting surface along the circumferentially-spaced of rotor rim 300, and each press strip 200
Second press strip surface 240 of body part fits in mounting surface setting, the first press strip end face of the body part of each press strip 200
210 connecting pins 320 for corresponding to rotor rim 300 are arranged, and the second press strip end face 220 corresponds to the open end of rotor rim 300
310 settings.
Each whole pole module 100 is set between two adjacent press strips 200, and the second end face 12 of carrier board 10 is right
It should be arranged in the connecting pin of rotor rim 300 320, the first end face 11 of carrier board 10 corresponds to the open end of rotor rim 300
310 settings.
The first electrolysis 250 of the first pressure-bearing surface 2a of the carrier board 10 of whole pole module 100 and press strip 200 is mutual as a result,
Overlap joint, is fixed on rotor for whole pole module 100, the inclined surface of press strip 200 and inclining for carrier board 10 after guaranteeing assembly
Air gap is uniform between inclined-plane, and whole pole module 100, press strip 200 and rotor rim can be eliminated by not needing to apply secondary cladding process
Gap between 300 prevents moisture, corrosive medium etc. from penetrating into corrosion permanent magnet 30 in whole pole module 100.
Further, the open end 310 of rotor rim 300 is provided with the first fixed part 311, for fixing whole pole module
100 carrier board 10 is close to the position of first end face 11.First fixed part 311 is set as the threaded hole with appended claims, tightly
Firmware passes through first step hole 4 and threaded hole of carrier board 10, by the carrier board 10 of whole pole module 100 close to first end face
11 position is fixed in the mounting surface of rotor rim 300.
The connecting pin 320 of rotor rim 300 is provided with the second fixed part 321, for fixing the carrier board of whole pole module 100
10 second end face 12.Second fixed part 321 is set as being formed in the annular projection in mounting surface, the load of whole pole module 100
The second end face 12 of body plate 10 is resisted against on the annular projection after being placed between two press strips 200, thus fixed second end face
12。
Further, multiple press strips 200 and the axial direction of rotor rim 300 are arranged in predetermined angular, so that whole pole module 100
The axial direction of arranged direction and rotor in the mounting surface of rotor rim 300 is in predetermined angular, to reduce motor in reality
Vibration and noise in.
It should be noted that, although above for facilitate description, using motor as inner stator, outer-rotor structure as example into
Go description, it will be appreciated that, it is interior turn that the rotor of exemplary embodiment according to the present utility model, which is equally applicable to motor,
The structure of son, external stator.
Rotor provided by the embodiment of the utility model improves the group of rotor due to reducing secondary cladding process
Efficiency is filled, while reducing the cost of manufacture of rotor, is conducive to large-scale serial production.
In addition, the utility model embodiment additionally provides a kind of manufacturing method of foregoing rotor comprising:
Step S1 is spaced the multiple press strips 200 of setting along the circumferential direction of the rotor rim 300 of rotor on a mounting surface, wherein
Second press strip surface 240 of the body part of each press strip 200 fits in mounting surface setting, the first press strip of each press strip 200
The connecting pin 320 that end face 210 corresponds to rotor rim 300 is arranged, and the second press strip end face 220 of each press strip 200, which corresponds to, to be turned
The open end 310 of sub- magnetic yoke 300 is arranged；
Step S2, by the second end face 12 of the carrier board 10 of each whole pole module 100 along the open end of rotor rim 300
310 are placed between two adjacent press strips 200 to the direction of connecting pin 320；
The first end face 11 of the carrier board 10 of each whole pole module 100 is fixed on rotor magnetic by fastener by step S3
In the mounting surface of yoke 300.
Further, each press strip 200 is arranged in the mounting surface of rotor rim 300 by the mode being fastened by bolts
On.As previously mentioned, press strip 200 can also be fixed on rotor rim 300 by welding when using metal material production
Mounting surface on.
It various needs to be arranged in addition, can be applied to according to the whole pole module and motor of exemplary embodiment described above
In the equipment of motor, such as, but not limited to wind power generating set.
Although the present utility model has been described by reference to the preferred embodiments, but in the model for not departing from the utility model
In the case where enclosing, various improvement can be carried out to it and can replace component therein with equivalent.Especially, as long as not depositing
In structural conflict, items technical characteristic mentioned in the various embodiments be can be combined in any way.The utility model
It is not limited to specific embodiment disclosed herein, but is included all technical solutions falling within the scope of the claims.
Claims (14)
1. a kind of carrier board, the whole pole module for rotor, which is characterized in that the carrier board (10) includes:
Body part, the body part is on the first direction (X) that length extends with opposite first end face (11) and the
Biend (12), has opposite first surface (a) and second surface (b) in thickness direction, and the second surface is used for
Carry multiple permanent magnets of the whole pole module；With
Protrusion is protruded by the two sides in the width direction of the body part respectively and is formed and extended along the first direction (X),
The protrusion includes the first pressure-bearing surface (2a) and the second pressure-bearing surface (2b), second pressure-bearing surface (2b) and the first surface
(a) continuously distributed, first pressure-bearing surface (2a) by the first end face (11) to the second end face (12) direction gradually
Close to second pressure-bearing surface (2b) to form inclined surface.
2. carrier board according to claim 1, which is characterized in that the first surface (a) is arcwall face, second table
Face (b) is plane, and the curvature of second pressure-bearing surface (2b) is equal with the curvature of the first surface (a)；
First pressure-bearing surface (2a) connect with the second surface (b), and first pressure-bearing surface (2a) is further by institute
The direction for stating the second pressure-bearing surface (2b) to the second surface (b) is gradually tilted to the body part.
3. carrier board according to claim 1, which is characterized in that the first surface (a) is arcwall face, second table
Face (b) is plane, and the curvature of second pressure-bearing surface (2b) is equal with the curvature of the first surface (a)；
The body part further comprises the guiding face being connected between first pressure-bearing surface (2a) and the second surface (b)
(c), direction of the guiding face (c) from first pressure-bearing surface (2a) to the second surface (b) is gradually to the body part
It is tilted.
4. carrier board according to claim 1, which is characterized in that the body part is close to the first end face (11) and institute
The position for stating second end face (12) is respectively arranged with threaded hole along the direction of the second surface (b) to the first surface (a)
(3)；
The quantity for the threaded hole (3) that the body part is arranged close to the first end face (11) and the second end face (12)
Respectively two, line (L) and the neighbouring first end face (11) between the central axis of two threaded holes (3) or
The angle (θ) of second end face described in person (12) is equal to the whole pole module and is fixed on the predetermined angular on the rotor.
5. carrier board according to claim 4, which is characterized in that position of the body part close to the first end face (11)
It sets and is further provided with first step hole (4) along the direction of the second surface (b) to the first surface (a), described first
Stepped hole (4) is disposed adjacent with the threaded hole (3).
6. a kind of whole pole module, which is characterized in that the whole pole module (100) includes:
Such as carrier board described in any one of claim 1 to 5 (10)；
Locating piece (20) is respectively arranged at the body part close to the institute of the first end face (11) and the second end face (12)
It states on second surface (b)；With
Multiple permanent magnets (30), be arranged side by side on the second surface (b) of the body part along the first direction (X) and
Positioned between the locating piece (20) that the first end face (11) and the second end face (12) are arranged.
7. whole pole module according to claim 6, which is characterized in that the whole pole module (100) further includes protective layer
(40), the protective layer (40) be coated on the first surface (a) and second pressure-bearing surface (2b) with a thickness of t1, be coated on
The end face of the protrusion with a thickness of t2, be coated on first pressure-bearing surface (2a) with a thickness of t3, be coated on the positioning
The exposed surface of block (20) and the permanent magnet (30) with a thickness of t4, and t1 < t2≤t3≤t4.
8. a kind of press strip, for whole pole module (100) as claimed in claims 6 or 7 to be fixed on rotor, feature exists
In the press strip (200) includes:
Body part, the body part have the first opposite press strip end face (210) on the first direction (X) that length extends
With the second press strip end face (220), there is opposite the first press strip surface (230) and the second press strip surface in thickness direction
(240)；With
Pressure contact portion is protruded by the two sides in the width direction of the body part respectively and is formed and extended along the first direction (X),
The pressure contact portion includes the first electrolysis (250) and the second electrolysis (260), second electrolysis (260) and described first
Press strip surface (230) is continuously distributed, and first electrolysis (250) is by first press strip end face (210) to second pressure
The direction of end face (220) moves closer to second electrolysis (260) to form inclined surface, first electrolysis (250)
It is mutually overlapped with first pressure-bearing surface (2a) of the carrier board (10) of the whole pole module (100) along predetermined direction, with
The whole pole module (100) is fixed on the rotor.
9. press strip according to claim 8, which is characterized in that second press strip surface (240) is arcwall face, described the
One electrolysis (250) is connect with second press strip surface (240), and first electrolysis (250) is further by described
The direction on the second electrolysis (260) to second press strip surface (240) is gradually tilted to the body part.
10. press strip according to claim 8, which is characterized in that second press strip surface (240) is arcwall face, described
Body part further comprises the joint face being connected between first electrolysis (250) and second press strip surface (240)
(280)。
11. a kind of rotor, which is characterized in that the rotor includes:
Rotor rim (300) has opposite open end (310) and connecting pin (320) along axial；
Multiple press strips (200), each press strip (200) are such as the described in any item press strips of claim 8 to 10 (200), institute
Multiple press strips (200) are stated along circumferentially-spaced being distributed in mounting surface of the rotor rim (300), and each press strip
(200) second press strip surface (240) fits in mounting surface setting, and described the of each press strip (200)
One press strip end face (210) is arranged corresponding to the connecting pin (320), second press strip end face of each press strip (200)
(220) correspond to the open end (310) to be arranged；With,
Multiple whole pole modules (100), each whole pole module (100) are whole pole module as claimed in claims 6 or 7
(100), the whole pole module (100) is set between the press strip (200) of adjacent two, and the carrier board (10)
The second end face (12) is arranged corresponding to the connecting pin (320), and the first end face (11) of the carrier board (10) is right
Open end described in Ying Yu (310) setting.
12. rotor according to claim 11, which is characterized in that the open end (310) of the rotor rim (300)
It is provided with the first fixed part (311), the connecting pin (320) is provided with the second fixed part (321), wherein described second is fixed
Portion (321) is set as the annular projection being formed in the mounting surface.
13. rotor according to claim 11, which is characterized in that the multiple press strip (200) and the rotor rim
(300) axial direction is arranged in predetermined angular.
14. a kind of motor, which is characterized in that the motor includes such as the described in any item rotors of claim 11 to 13.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821052580.9U CN208401654U (en) | 2018-07-04 | 2018-07-04 | Carrier board, whole pole module, press strip, rotor and motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821052580.9U CN208401654U (en) | 2018-07-04 | 2018-07-04 | Carrier board, whole pole module, press strip, rotor and motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208401654U true CN208401654U (en) | 2019-01-18 |
Family
ID=65130023
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821052580.9U Withdrawn - After Issue CN208401654U (en) | 2018-07-04 | 2018-07-04 | Carrier board, whole pole module, press strip, rotor and motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208401654U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108696017A (en) * | 2018-07-04 | 2018-10-23 | 北京金风科创风电设备有限公司 | Carrier plate, rectifying module, batten strip, rotor, manufacturing method of rotor and motor |
| CN111342581A (en) * | 2020-04-01 | 2020-06-26 | 上海电气风电集团股份有限公司 | Magnetic pole protection structure, rotor, motor and rotor installation method |
-
2018
- 2018-07-04 CN CN201821052580.9U patent/CN208401654U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108696017A (en) * | 2018-07-04 | 2018-10-23 | 北京金风科创风电设备有限公司 | Carrier plate, rectifying module, batten strip, rotor, manufacturing method of rotor and motor |
| CN111342581A (en) * | 2020-04-01 | 2020-06-26 | 上海电气风电集团股份有限公司 | Magnetic pole protection structure, rotor, motor and rotor installation method |
| CN111342581B (en) * | 2020-04-01 | 2021-09-24 | 上海电气风电集团股份有限公司 | Magnetic pole protection structure, rotor, motor and rotor installation method |
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