CN206219840U - Washing machine - Google Patents

Washing machine Download PDF

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Publication number
CN206219840U
CN206219840U CN201621166345.5U CN201621166345U CN206219840U CN 206219840 U CN206219840 U CN 206219840U CN 201621166345 U CN201621166345 U CN 201621166345U CN 206219840 U CN206219840 U CN 206219840U
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CN
China
Prior art keywords
rotor
stator
washing machine
ring
retainer ring
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn - After Issue
Application number
CN201621166345.5U
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Chinese (zh)
Inventor
吴迪
陈金涛
诸自强
胡义明
王洪晓
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Guangdong Welling Motor Manufacturing Co Ltd
Midea Welling Motor Technology Shanghai Co Ltd
Original Assignee
Guangdong Welling Motor Manufacturing Co Ltd
Midea Welling Motor Technology Shanghai Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Guangdong Welling Motor Manufacturing Co Ltd, Midea Welling Motor Technology Shanghai Co Ltd filed Critical Guangdong Welling Motor Manufacturing Co Ltd
Priority to CN201621166345.5U priority Critical patent/CN206219840U/en
Application granted granted Critical
Publication of CN206219840U publication Critical patent/CN206219840U/en
Withdrawn - After Issue legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model discloses a kind of washing machine, including outer barrel, interior bucket and motor, motor includes stator, the first rotor portion, second rotor portions and switching mechanism, the first rotor portion, second rotor portions and stator along motor radial direction interval setting successively from outside to inside, stator is arranged in outer barrel and is fixed with the relative position of outer barrel, when switching mechanism is in washing state, the relative position of fixed stator and the second rotor portions, serve as the rotor for driving interior bucket rotation in the first rotor portion, when switching mechanism is in dewatering state, fixed the first rotor portion and the relative position of the second rotor portions, the first rotor portion and the second rotor portions serve as the rotor for driving interior bucket rotation.According to washing machine of the present utility model, directly driven by using pole-changing motor, and the changeable equivalent number of pole-pairs of different motors, so as to realize the pole-changing variable-pressure operation of washing machine difference operational mode.The compact conformation of the washing machine, small volume, noise are low, the high energy efficiency operation that can be taken into account under different mode.

Description

Washing machine
Technical field
The utility model is related to washing machine manufacturing technology field, more particularly to a kind of washing machine.
Background technology
At present, the drive pattern of roller washing machine is usually the mode of centralized driving plus belt transmission, this driving and biography Flowing mode causes in work process that often bring noise and energy loss, in correlation technique, segment cylinder washing machine is used will External rotor electric machine is directly installed on as driver part in the outer barrel of washing machine, however, due to the washing mode of washing machine and de- Water dries pattern and differs larger for rotation speed requirements, in order to take into account both running statuses, using the laundry drum of direct driving motor Generally efficiency is very low in the washing condition for machine, has thereby resulted in unnecessary electric energy loss, reduces Consumer's Experience.
The content of the invention
Washing machine in correlation technique differs more than 10 times due to washing the rotating speed of state and dewatering state, in order to limited Voltage under take into account two kinds of running statuses, using a big external diameter external rotor electric machine be directly installed on outer barrel of washing machine as drive Dynamic component, but this kind is very low using the usual efficiency in the washing condition of roller washing machine of direct driving motor, and during due to washing Between typically for up to a hour, cause unnecessary energy loss.
The utility model is intended at least solve to a certain extent one of above-mentioned technical problem in correlation technique.Therefore, The utility model proposes a kind of washing machine, the washing machine structure is simple, compact, small volume, noise is low, can change in different moulds The operation number of pole-pairs of motor under formula, effectively takes into account washing machine high energy efficiency operation under washing mode and dehydration mode.
According to washing machine of the present utility model, including outer barrel;Interior bucket, the interior bucket is rotatably provided in said tub; Motor, stator that the motor includes can rotating against respectively, the first rotor portion, the second rotor portions and in washing state and de- Changeable switching mechanism between water state, the first rotor portion, second rotor portions and the stator are along the motor Radial direction interval setting successively from outside to inside, the stator is arranged in said tub and consolidates with the relative position of said tub Fixed, the first rotor portion is connected with the interior bucket, and when the switching mechanism is in the washing state, fixation is described fixed Serve as the rotor for driving the interior bucket rotation, institute in the sub relative position with second rotor portions, the first rotor portion When stating switching mechanism in the dewatering state, the relative position of the first rotor portion and second rotor portions, institute are fixed State the first rotor portion and second rotor portions serve as rotor for driving the interior bucket rotation.
According to washing machine of the present utility model, any two is set to by by stator, the first rotor portion, the second rotor portions Can rotate against, and the second rotor portions are alternatively connected by switching mechanism with stator or the first rotor portion, so that The first rotor portion or the first rotor portion and the second rotor portions are respectively formed as that under two kinds of whole machine working conditions interior bucket can be driven Rotor, and then do not change machine winding connect in the case of, realize motor equivalent rotor number of poles switching, so as to adapt to wash The different mode of clothing machine.Meanwhile, directly driven by using pole-changing motor, can effectively simplify overall structure, reduce Machine volume, and also washing machine operation noise and energy consumption can be reduced.The compact conformation of the washing machine, small volume, Noise is low, energy consumption is low, can change the equivalent operation number of pole-pairs of motor in different modes, simultaneously effective takes into account washing machine and exists High energy efficiency operation under washing mode and dehydration mode.
In addition, can also have following additional technical characteristic according to motor of the present utility model:
According to one embodiment of the present utility model, the switching mechanism includes:Stator retainer ring, the stator retainer ring Relative position with the stator is fixed;The first rotor retainer ring, the first rotor retainer ring and the first rotor portion Relative position is fixed;Second rotor retaining ring, second rotor retaining ring is fixed with the relative position of second rotor portions; Drive division and slip ring, the slip ring are driven by the drive division and slided, when the switching mechanism is in the washing state, The slip ring coordinates with the stator retainer ring and second rotor retaining ring respectively under the driving of the drive division, institute State switching mechanism be in the dewatering state when, the slip ring under the driving of the drive division respectively with the first rotor Retainer ring and second rotor retaining ring coordinate.
According to one embodiment of the present utility model, the drive division is to drive the slip ring to slide by electromagnetic induction Control coil.
According to one embodiment of the present utility model, the slip ring, the stator retainer ring, the first rotor are fixed Latch is respectively equipped with ring and second rotor retaining ring, when the switching mechanism is in the washing state, the slip Latch on ring is engaged with the latch on latch and second rotor retaining ring in the stator retainer ring respectively, described to cut When converting mechanism is in the dewatering state, latch on the slip ring respectively with the first rotor retainer ring on latch and Latch engagement on second rotor retaining ring.
According to one embodiment of the present utility model, the latch on the slip ring is distributed in the outer peripheral face of the slip ring On inner peripheral surface, the latch in the stator retainer ring is distributed on the inner peripheral surface of the stator retainer ring, the first rotor Latch in retainer ring is distributed on the outer peripheral face of the first rotor retainer ring, the latch on second rotor retaining ring point Cloth is on the outer peripheral face of second rotor retaining ring.
According to one embodiment of the present utility model, the motor also includes:Stator cage, the stator cage is arranged on In said tub, the stator is connected with the stator cage;Outer rotor casing, the stator, the first rotor portion It is each provided in the outer rotor casing with second rotor portions, the first rotor portion is connected with the outer rotor casing And the outer rotor casing is connected by support shaft with the interior bucket;Internal rotor casing, the internal rotor casing is located at institute State in outer rotor casing and be connected with second rotor portions, the stator retainer ring and the stator cage are driven and connect Connect, the first rotor retainer ring is connected with the support shaft, second rotor retaining ring and the internal rotor casing Drive connection.
According to one embodiment of the present utility model, matched somebody with somebody by bearing between the internal rotor casing and the support shaft Close.
According to one embodiment of the present utility model, the support shaft is annular quill shaft for cross section.
According to one embodiment of the present utility model, said tub is provided with support base, and the support shaft can by bearing Rotatably coordinate in the support base.
According to one embodiment of the present utility model, the stator includes:Stator conducting magnet core;Stator winding, it is described fixed Sub- winding technique is on the stator conducting magnet core.
According to one embodiment of the present utility model, the first rotor portion includes:Rotor conducting magnet core;Permanent magnet, institute Permanent magnet is stated to be located on the rotor conducting magnet core.According to one embodiment of the present utility model,
According to one embodiment of the present utility model, second rotor portions include:Multiple conducting magnet cores;It is multiple non-magnetic Spacer block, multiple conducting magnet cores and multiple non-magnetic spacer blocks are alternately arranged along the circumference of the motor.
The number of pole-pairs of the rotating excitation field produced according to one embodiment of the present utility model, the stator is ps, described The number of pole-pairs of the excitation field that one rotor portions are produced is pf, the quantity of the conducting magnet core is pr, wherein, pr=| ps±pf|。
Brief description of the drawings
Fig. 1 is the sectional view according to the washing machine of the utility model one embodiment in the washing condition;
Fig. 2 is the enlarged drawing in A portions in Fig. 1;
Fig. 3 is the section view of washing machine shown in Fig. 1 motor in the washing condition;
Fig. 4 is the sectional view under dewatering state according to the washing machine of the utility model one embodiment;
Fig. 5 is the enlarged drawing in B portions in Fig. 4;
Fig. 6 is the section view of the motor of washing machine shown in Fig. 4 under dewatering state.
Reference:
S:Washing machine;
100:Outer barrel;
200:Interior bucket;
300:Motor;
31:Stator;311:Stator conducting magnet core;312:Stator winding;
32:The first rotor portion;321:Rotor conducting magnet core;322:Permanent magnet;
33:Second rotor portions;331:Conducting magnet core;332:Non-magnetic spacer block;
34:Switching mechanism;
341:Stator retainer ring;342:The first rotor retainer ring;343:Second rotor retaining ring;
3441:Drive division;3442:Slip ring;
351:Stator cage;352:Outer rotor casing;353:Internal rotor casing;
36:Bearing.
Specific embodiment
Embodiment of the present utility model is described below in detail, the example of the embodiment is shown in the drawings, wherein ad initio Same or similar element or element with same or like function are represented to same or similar label eventually.Below by ginseng The embodiment for examining Description of Drawings is exemplary, it is intended to for explaining the utility model, and it is not intended that to the utility model Limitation.
1 to Fig. 6 specifically describes the washing machine S according to the utility model embodiment below in conjunction with the accompanying drawings.
Washing machine S according to the utility model embodiment includes outer barrel 100, interior bucket 200 and motor 300.Specifically, it is interior Bucket 200 is rotatably provided in outer barrel 100, stator 31 that motor 300 includes can rotating against respectively, the first rotor portion 32, the Two rotor portions 33 and changeable switching mechanism 34 between washing state and dewatering state.
Wherein, the first rotor portion 32, the second rotor portions 33 and stator 31 are spaced successively from outside to inside along the radial direction of motor 300 Set, stator 31 is arranged in outer barrel 100 and is fixed with the relative position of outer barrel 100, and the first rotor portion 32 is driven with interior bucket 200 Connection, when switching mechanism 34 is in washing state, the relative position of the rotor portions 33 of fixed stator 31 and second, the first rotor portion 32 Serve as the rotor for driving interior bucket 200 to rotate, when switching mechanism 34 is in dewatering state, fixed the first rotor portion 32 and second The relative position of rotor portions 33, the rotor portions 33 of the first rotor portion 32 and second serve as the rotor for driving interior bucket 200 to rotate.
In other words, washing machine S is mainly made up of outer barrel 100, interior bucket 200 and motor 300.200 points of outer barrel 100 and interior bucket In axial direction (left and right directions as shown in Figure 1) does not extend, and outer barrel 100 is fixed on the cabinet (not shown) of washing machine S, interior bucket 200 are rotatably set in outer barrel 100, and are coaxially disposed with outer barrel 100, so that interior bucket 200 is relative to outer barrel 100 With rotational independence, and then interior bucket 200 is driven to rotate by motor 300, so as to drive the rotation of clothing to be washed interior bucket 200 Nei Turn, reach washing and dehydration purpose.
Further, motor 300 is main by 34 groups of stator 31, the first rotor portion 32, the second rotor portions 33 and switching mechanism Columnar structured, and the first rotor portion 32, second is generally formed into, stator 31, the first rotor portion 32, the second rotor portions 33 Rotor portions 33, stator 31 are spaced apart and set successively along the radial direction ecto-entad of motor 300, that is to say, that the second rotor portions 33 positioned at the outsides of stator 31 and positioned at the inner side in the first rotor portion 32, are spaced apart between three and set, so as to avoid any two Interference is produced when being rotated against between person, and then influences the normal work of washing machine S.Meanwhile, the first rotor portion 32, the second rotor Any two can be rotated against between portion 33 and the three of stator 31, that is to say, that the first rotor portion 32 can be relative to fixed The rotor portions 33 of son 31 or second rotate, and the second rotor portions 33 can also be done and revolve relative to the first rotor portion 32 or stator 31 Transhipment is dynamic.In addition, stator 31 is located in outer barrel 100 and is fixed with the relative position of outer barrel 100, i.e., stator 31 and outer barrel 100 it Between geo-stationary, the first rotor portion 32 is connected with interior bucket 200, that is to say, that can between the first rotor portion 32 and interior bucket 200 To be synchronized with the movement, it is also possible to synchronous not move, so as to realize the driving of bucket 200 in 300 pairs, motor.
Furthermore, when washing machine S is in washing state, switching mechanism 34 can be with the rotor portions 33 of fixed stator 31 and second Relative position between (as shown in Figure 1), so that stator 31 of the rotor portions 33 of stator 31 and second as motor 300, phase For the transfixion of outer barrel 100, now, the first rotor portion 32 is formed as to be rotated relative to the rotor portions 33 of stator 31 and second, I.e. as the rotor of motor 300, so that the equivalent number of pole-pairs of motor 300 is higher, and then realize that the big torque of washing machine S is low Fast efficient operation.
When washing machine S is in dewatering state, switching mechanism 34 can fix the rotor portions 33 of the first rotor portion 32 and second Relative position between (as shown in Figure 4), so that the rotor portions 33 of the first rotor portion 32 and second turn as the double of motor 300 Son, relative to outer barrel 100 and the synchronous rotary of stator 31, so as to drive interior bucket 200 to rotate, and then causes the equivalent of motor 300 Number of pole-pairs is relatively low, and then realizes the small torque high-speed and high-efficiency running status of washing machine S.So as to realize washing by switching mechanism 34 Switching between state and dewatering state, realizes the regulation to the equivalent rotor number of pole-pairs and work dot frequency of motor 300, so that Realize the pole-changing variable-pressure operation of washing machine S.
Thus, the washing machine S according to the utility model embodiment, by by stator 31, the first rotor portion 32, the second rotor Portion 33 is set to any two can be rotated against, and the position of two of which is alternatively fixed using switching mechanism 34, from And cause the first rotor portion 32 or the rotor portions 33 of the first rotor portion 32 and second be respectively formed as under two kinds of working conditions can With drive in bucket 200 rotor, and then do not change the winding of motor 300 connect in the case of, realize the rotor number of poles of motor 300 and The switching of running frequency, so as to adapt to the different mode of washing machine S.Meanwhile, directly driven by carrying out high torque (HT) using motor 300 It is dynamic, can effectively simplify overall structure, machine volume is reduced, and also washing machine S operation noise and whole machine can be reduced Energy consumption.The compact conformation of washing machine S, small volume, noise are low, energy consumption is low, it is possible to achieve high torque (HT) directly drives, while effectively Take into account washing machine S under washing mode and dehydration mode high energy efficiency operation.
In some specific embodiments of the present utility model, switching mechanism 34 includes stator retainer ring 341, the first rotor Retainer ring 342, the second rotor retaining ring 343, drive division 3441 and slip ring 3442.The phase of stator retainer ring 341 and stator 31 Position is fixed, the first rotor retainer ring 342 is fixed with the relative position in the first rotor portion 32, the second rotor retaining ring 343 with The relative position of the second rotor portions 33 is fixed, and slip ring 3442 drives slip by drive division 3441, and switching mechanism 34 is in washing During state, slip ring 3442 is matched somebody with somebody with the rotor retaining ring 343 of stator retainer ring 341 and second respectively under the driving of drive division 3441 Close, when switching mechanism 34 is in dewatering state, slip ring 3442 is fixed with the first rotor respectively under the driving of drive division 3441 The rotor retaining ring 343 of ring 342 and second coordinates.
Specifically, as shown in Figure 2 and Figure 5, switching mechanism 34 is main by stator retainer ring 341, the first rotor retainer ring 342nd, the second rotor retaining ring 343, drive division 3441 and slip ring 3442 are constituted.Stator retainer ring 341 is generally formed into annulus Shape structure, stator retainer ring 341 is fixed with the relative position of stator 31, i.e., between stator retainer ring 341 and stator 31 it is synchronous not Motion, the first rotor retainer ring 342 fixes with the relative position in the first rotor portion 32, the first rotor retainer ring 342 and first turn Sub-portion 32 can be synchronized with the movement, it is also possible to synchronous not move;The relative position of the second rotor retaining ring 343 and the second rotor portions 33 It is fixed, that is to say, that the second rotor retaining ring 343 can be synchronized with the movement with the second rotor portions 33, can also not move synchronously, slide The adjacent stator retainer ring 341 of ring 3442, the first rotor retainer ring 342, the second rotor retaining ring 343 set, and can pass through Drive division 3441 drives in axial direction (left and right directions as shown in Figure 1 and Figure 4) mobile, so as to realize the different shapes of motor 300 Switching between state, and then realize the pole-changing variable-pressure operation of washing machine S.
When switching mechanism 34 is in washing state (position as shown in Figure 2), slip ring 3442 drives in drive division 3441 Under, one end coordinates with stator retainer ring 341, and the other end coordinates with the second rotor retaining ring 343, so that stator 31 and second The relative position of rotor portions 33 fixes (i.e. synchronous not move), and now, the first rotor portion 32 is formed as the rotation of relative stator 31 Rotor, so that the equivalent number of pole-pairs of motor 300 is higher, and then realizes the big torque low-speed high-efficiency running status of washing machine S. When switching mechanism 34 be in dewatering state (position as shown in Figure 3) when, slip ring 3442 drive division 3441 driving under, one end with The first rotor retainer ring 342 coordinates, and the other end coordinates with the second rotor retaining ring 343, so that the first rotor portion 32 and The relative position of two rotor portions 33 fixes (can be synchronized with the movement or synchronous do not move), now, the first rotor portion 32 and the Two rotor portions 33 are formed as the rotor of the rotation of relative stator 31, so that the equivalent number of pole-pairs of motor 300 is relatively low, and then realize The small torque high-speed and high-efficiency running status of washing machine S.
Alternatively, drive division 3441 is the control coil that the slip of slip ring 3442 is driven by electromagnetic induction.By that will drive Dynamic portion 3441 is set to the control coil that by electromagnetic induction slip ring 3442 can be controlled to slide, such that it is able to simplify motor 300 Internal wiring so that the overall structure of motor 300 is simpler.
Alternatively, slip ring 3442, stator retainer ring 341, the rotor retaining ring 343 of the first rotor retainer ring 342 and second On be respectively equipped with latch, when switching mechanism 34 is in washing state, latch on slip ring 3442 respectively with stator retainer ring 341 On latch and the second rotor retaining ring 343 on latch engagement, switching mechanism 34 be in dewatering state when, on slip ring 3442 Latch engaged with the latch on the latch in the first rotor retainer ring 342 and the second rotor retaining ring 343 respectively.
As shown in Figure 2 and Figure 5, slip ring 3442 is generally formed into columnar structured, columnar structured slip ring 3442 Inner and outer wall on be respectively equipped with latch, the outer wall of the first rotor retainer ring 342 is provided with latch, the second rotor retaining ring 343 outer wall is provided with latch, and the latch on the inwall of slip ring 3442 can be solid with the rotor of the first rotor retainer ring 342 and second The latch engagement determined on the outer wall of ring 343 coordinates, latch on the outer wall of slip ring 3442 can with the inwall of stator retainer ring 341 on Latch coordinate so that using the mating reaction between latch, enhancing slip ring 3442 is solid with stator retainer ring 341, the first rotor Determine the connection reliability between the rotor retaining ring 343 of ring 342 and second, it is ensured that the normal operation of motor 300.
Wherein, the latch on slip ring 3442 is distributed on the outer peripheral face and inner peripheral surface of slip ring 3442, stator retainer ring Latch on 341 is distributed on the inner peripheral surface of stator retainer ring 341, and the latch in the first rotor retainer ring 342 is distributed in first On the outer peripheral face of rotor retaining ring 342, the latch on the second rotor retaining ring 343 is distributed in the outer of the second rotor retaining ring 343 On side face.
Specifically, latch is respectively equipped with the inner peripheral surface and outer peripheral face of slip ring 3442, outside the first rotor retainer ring 342 Side face is provided with latch, and the outer peripheral face of the second rotor retaining ring 343 is provided with latch, the latch energy on the inner peripheral surface of slip ring 3442 It is enough to engage cooperation with the latch on the outer peripheral face of the rotor retaining ring 343 of the first rotor retainer ring 342 and second, outside slip ring 3442 Latch on side face can coordinate with the latch on the inner peripheral surface of stator retainer ring 341, so as to using the mating reaction between latch, increase Strong connection between slip ring 3442 and stator retainer ring 341, the rotor retaining ring 343 of the first rotor retainer ring 342 and second can By property, it is ensured that the normal operation of motor 300.
When switching mechanism 34 is in washing state (position as shown in Figure 2), latch on the inner peripheral surface of slip ring 3442 with Latch engagement on the outer peripheral face of second rotor retaining ring 343, in the latch and stator retainer ring 341 on the outer peripheral face of slip ring 3442 Latch engagement on side face, so that ensure the drive connection of the rotor portions 33 of stator 31 and second, the rotor portions 33 of stator 31 and second It is synchronous not rotate;When switching mechanism 34 is in dewatering state (position as shown in Figure 5), the latch on the inner peripheral surface of slip ring 3442 Engaged with the latch on the outer peripheral face of 342 and second rotor retaining ring of the first rotor retainer ring 343 simultaneously, so as to ensure the first rotor The drive connection of the rotor portions 33 of portion 32 and second, the first rotor portion 32 can be synchronized with the movement with the second rotor portions 33 or synchronous not transport It is dynamic.
Additionally, motor 300 also includes stator cage 351, outer rotor casing 352 and internal rotor casing 353, stator cage 351 are arranged in outer barrel 100, and stator 31 is connected with stator cage 351, stator 31, the rotor of the first rotor portion 32 and second Portion 33 is each provided in outer rotor casing 352, and the first rotor portion 32 is connected and outer rotor casing 352 with outer rotor casing 352 Be connected with interior bucket 200 by support shaft, internal rotor casing 353 be located in outer rotor casing 352 and with the second rotor portions 33 Drive connection, stator retainer ring 341 is connected with stator cage 351, and the first rotor retainer ring 342 is driven with support shaft and connects Connect, the second rotor retaining ring 343 is connected with internal rotor casing 353.
Specifically, as shown in Fig. 2 outer rotor casing 352 is generally formed into the unlimited cylinder-like structure in one end (such as upper end) And be fixedly connected with outer barrel 100, the first rotor portion 32, the second rotor portions 33 and stator 31 along outer rotor casing 352 radial direction side It is spaced successively to ecto-entad and is opened in outer rotor casing 352 and is coaxially disposed, so that by outer rotor casing 352 to motor 300 inner members are protected, it is to avoid accidental injury.
Meanwhile, between stator 31 and stator cage 351, the first rotor portion 32 and the interior bucket 200 and outer rotor that are attached thereto Between casing 352, between the second rotor portions 33 and internal rotor casing 353, stator retainer ring 341 and the transmission of stator cage 351 Between, between the first rotor retainer ring 342 and support shaft and the second rotor retaining ring 343 and the second rotor portions 33 and internal rotor machine Using drive connection between shell 353, that is to say, that between stator 31 and stator cage 351, the first rotor portion 32 and phase therewith Even interior bucket 200 and outer rotor casing 352 between, between the second rotor portions 33 and internal rotor casing 353, stator retainer ring 341 Between being driven with stator cage 351, between the first rotor retainer ring 342 and support shaft and the second rotor retaining ring 343 and the It is synchronized with the movement respectively between two rotor portions 33 and internal rotor casing 353 or is not moved synchronously, for example, in the present embodiment, stator Without relative motion between 31 and stator cage 351, stator cage 351 is in stationary state, then stator 31 is also at stationary state.
Wherein, coordinated by bearing 36 between internal rotor casing 353 and support shaft.
Specifically, as shown in Fig. 2 the inner peripheral surface of internal rotor casing 353 coordinates with the outer peripheral face of bearing 36, the periphery of support shaft Face coordinates with the inner peripheral surface of bearing 36, so as to ensure that the second rotor portions 33 have independent rotation relative to support shaft by bearing 36 Property.
Alternatively, support shaft for cross section be annular quill shaft.Support shaft is set to section and obtains quill shaft for annular, both The axiality of support shaft and rotor casing can be ensured, the carrying of rotor casing, reducing energy consumption can be mitigated again.
Additionally, outer barrel 100 is provided with support base, support shaft is rotatably fitted in support base by bearing 36.
As shown in Fig. 2 the section of support base is generally formed into down boss shape, one end (such as left end) and the rotor machine of support shaft Shell phase connects, and the other end (such as right-hand member) of support shaft is connected with interior bucket 200, and support shaft is coaxially located in support base and and support base Between rotatably coordinated by bearing 36.So as to ensure the rotational independence of support shaft and rotor casing relative to support base And coaxial position.
Wherein, stator 31 includes stator conducting magnet core 311 and stator winding 312, and stator winding 312 is wound on stator magnetic conduction On iron core 311.
Referring to Figures 1 and 2, stator 31 is mainly made up of stator conducting magnet core 311 and stator winding 312, stator magnetic conduction iron Core 311 is made up of high permeability material, and high permeability material can be the materials such as silicon steel sheet, cobalt steels piece, permalloy, SMC.Stator around Group 312 is wound on stator conducting magnet core 311, and stator winding 312 can be concentratred winding, or Distributed Winding, also It is to say that the span of stator winding 312 can be 1 or other integers, meanwhile, the number of phases of stator winding 312 can be with single-phase or many Phase, so that stator winding 312 is by AC electric currents, produces magnetic field.What deserves to be explained is, stator conducting magnet core 311 it is specific Material, the winding configuration of stator winding 312, and the number of phases of stator winding 312 can make adaptation according to actual design requirement The selection of property, to ensure torque and the power density of motor 300.
Wherein, the first rotor portion 32 includes rotor conducting magnet core 321 and permanent magnet 322, and permanent magnet 322 is located at rotor magnetic conduction On iron core 321.
Specifically, as shown in figure 1, the first rotor portion 32 is mainly made up of rotor conducting magnet core 321 and permanent magnet 322, forever The circumferential direction that magnet 322 is located on rotor conducting magnet core 321 and along rotor conducting magnet core 321 is evenly arranged.Rotor magnetic conduction iron Core 321 is made up of high permeability material, and high permeability material can be the materials such as silicon steel sheet, cobalt steels piece, permalloy, SMC.Permanent magnet 322 are mainly made up of permanent-magnet material, and permanent-magnet material can be the materials such as neodymium iron boron, ferrite, aluminium nickel cobalt, SmCo.Permanent magnet 322 Can be embedded in modes such as (Inset PM) and realize and rotor conducting magnet core by surface mount (SPM), built-in (IPM), surface 321 combination, for example, in an example of the present utility model, permanent magnet 322 is with the polarity identical side of adjacent permanent magnet 322 Formula insertion rotor conducting magnet core 321, so as to ensure the Stability Analysis of Structures in the first rotor portion 32, and then produces excitation field.
Alternatively, permanent magnet 322 is generally formed into strip structure, and the permanent magnet 322 of multiple strips is with adjacent permanent magnet Circumferentially direction is spaced apart embedded rotor conducting magnet core 321 to the polarity identical mode of body 322, and the permanent magnet 322 of strip Short side is radially arranged (as shown in Figure 3 and Figure 6).Certainly, the shape of permanent magnet 322 can also be arc shape, multiple arcs In the polarity identical mode of adjacent permanent magnet 322, circumferentially direction is spaced apart embedded rotor magnetic conduction iron to the permanent magnet 322 of shape structure Core 321, and the permanent magnet 322 of arc shape arc-shaped side circumferentially direction arrangement.What deserves to be explained is, those skilled in the art can Change the quantity of permanent magnet 322, shape and arrangement with according to actual design demand, with adjust equivalent rotor number of pole-pairs and The electric frequency of work so that when output mechanical separator speed is identical, can be by the different running statuses of switch motor 300 (as washed State and dewatering state) realize the pole-changing variable-pressure operation of washing machine S.
Wherein, the second rotor portions 33 include multiple conducting magnet cores 331 and multiple non-magnetic spacer blocks 332, multiple magnetic conduction iron Core 331 and multiple non-magnetic spacer blocks 332 are alternately arranged along the circumference of motor 300.
Reference picture 3, the second rotor portions 33 are mainly made up of multiple conducting magnet cores 331 and multiple non-magnetic spacer blocks 332, many Individual conducting magnet core 331 and multiple non-magnetic spacer blocks 332 arrange that conducting magnet core 331 is by height along the circumferential alternate intervals of motor 300 Permeability magnetic material is constituted, and high permeability material can be the materials such as silicon steel sheet, cobalt steels piece, permalloy, SMC.Non-magnetic spacer block 332 It is made up of non-magnet material, non-magnet material can be the materials such as air, plastics, high molecular polymer, non-magnetic metal.
Further, the number of pole-pairs of the rotating excitation field that stator 31 is produced is ps, the excitation field that the first rotor portion 32 produces Number of pole-pairs be pf, the quantity of conducting magnet core 331 is pr, wherein, pr=| ps±pf|。
Specifically, stator 31 is driven by alternating current, and it is p to produce number of pole-pairssRotating excitation field, the first rotor portion 32 Generation number of pole-pairs is pfExcitation field, the quantity of conducting magnet core 331 is pr, meanwhile, the quantity of conducting magnet core 331 is equal to rotation The number of pole-pairs in magnetic field and the number of pole-pairs sum of excitation field or the difference between the two, so as to ensure motor 300 in different running statuses Under can normally run.
Pass through multiple specific embodiments to the roller washing machine according to the utility model embodiment below with reference to Fig. 1-Fig. 6 S100 is described in detail.
As shown in Figure 1 to Figure 3, roller washing machine S primary structures include the outer barrel of washing machine S in the utility model embodiment The interior bucket 200 of 100, washing machine S, and the pole-changing change grade critical piece of Medium-voltage Motor 300 for driving, wherein washing machine S outer barrels 100 be fixed on the casing of washing machine S, as the basis of the utility model dynamic structure.The interior bucket 200 of washing machine S and branch Support axle is fastenedly connected, and keeps fixed axial location and rotational independence with the interior bucket 200 of washing machine S by bearing 36.Become Pole becomes Medium-voltage Motor 300 and includes the critical pieces such as stator 31, the first rotor portion 32, the second rotor portions 33, switching mechanism 34.In detail , the stator conducting magnet core 311 of the stator 31 comprising high permeability material composition of motor 300, coiling stator winding thereon 312, stator cage 351 is constituted, and wherein stator cage 351 is bolted in washing machine S outer barrels 100.In the present embodiment In, stator winding 312 is three-phase symmetric winding, and coil spread is 1, produces number of pole-pairs ps=8's after passing to three-phase symmetrical electric current Rotating excitation field.The first rotor portion 32 comprising high permeability material constitute rotor conducting magnet core 321, and built-in arrangement permanent magnetism Body 322, permanent magnet 322 is circumferentially arranged in the polarity identical mode of adjacent permanent magnet 322, produces the permanent magnetism of number of pole-pairs pf=16 Magnetic field, the conducting magnet core 331 and non-magnetic spacer block 332 that the second rotor portions 33 are constituted comprising high permeability material is constituted, magnetic conduction iron The block number pr=14 of core 331.The first rotor portion 32 is directly anchored to drive bucket 200 in washing machine S to rotate in support shaft by screw. The first rotor portion 32 keeps relative rotational independence and axial location by bearing 36 with the second rotor portions 33.
Switching mechanism 34 includes driving coil, stator retainer ring 341, the second rotor retaining ring 343, the first rotor retainer ring 342, the grade of slip ring 3442 critical piece is constituted.Slip ring 3442 is radially inner side and outside all toothed gear rings, the second rotor Retainer ring 343 and the first rotor retainer ring 342 are radial outside toothed gear ring, and stator retainer ring 341 is that radially inner side is with teeth Gear ring.
In the washing condition, driving coil drives slip ring 3442 to move to the position shown in Fig. 1 and Fig. 2 to roller washing machine S Put, engage the rotor retaining ring 343 of stator retainer ring 341 and second, so that the second rotor portions 33 and stator 31 keep solid The stator 31 that pole-changing becomes Medium-voltage Motor 30 is filled and served as to fixed relative position, and in this case, the first rotor portion 32 is used as motor 300 unique rotary part drives the low speed high torque of the interior bucket 200 washing operation of washing machine S, now, the equivalent fortune of motor 300 Row number of pole-pairs is pr=16.
Under dehydrating operation state, driving coil drives slip ring 3442 to run to shown in Fig. 4 and Fig. 5 to roller washing machine S Position, engage the second rotor retaining ring 343 and the first rotor retainer ring 342, in this case, stator 31 be fixed part Part, the second rotor portions 33 and the first rotor portion 32 are locked to keep relatively fixed position to become determining for Medium-voltage Motor 30 as pole-changing Son 31, drives the high speed dewatering of bucket 200 operation in washing machine S, now, the equivalent operation number of pole-pairs ps=4 of motor 300 together.
Therefore, roller washing machine S is in the case where the winding for not changing motor 300 is connected, it is possible to achieve motor 300 The switching of equivalent rotor number of poles and running frequency, so as to adapt to the different mode of washing machine S.Meanwhile, enter by using motor 300 Row high torque (HT) directly drives, and can effectively simplify overall structure, reduces machine volume, and reduce washing machine S operation noises. The compact conformation of washing machine S, small volume, noise are low, can realize high torque (HT) directly drives, and simultaneously effective takes into account washing machine S high energy efficiency operations under washing mode and dehydration mode.
Other compositions of washing machine S according to the utility model embodiment and operation are for those of ordinary skill in the art For be all known, be not detailed herein.
In description of the present utility model, it is to be understood that term " " center ", "left", "right", " vertical ", " level ", The orientation or position relationship of the instruction such as " top ", " bottom " " interior ", " outward " be based on orientation shown in the drawings or position relationship, be only for Be easy to description the utility model and simplify describe, rather than indicate imply signified device or element must have it is specific Orientation, with specific azimuth configuration and operation, therefore it is not intended that to limitation of the present utility model.
In the utility model, unless otherwise clearly defined and limited, term " installation ", " connected ", " connection ", " Gu It is fixed " etc. term should be interpreted broadly, for example, it may be fixedly connected, or be detachably connected, or integrally;Can be Mechanically connect, or electrically connect;Can be joined directly together, it is also possible to be indirectly connected to by intermediary, can be two The connection of element internal or two interaction relationships of element.For the ordinary skill in the art, can basis Concrete condition understands concrete meaning of the above-mentioned term in the utility model.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show The description of example " or " some examples " etc. means to combine specific features, structure, material or spy that the embodiment or example are described Point is contained at least one embodiment of the present utility model or example.In this manual, to the schematic table of above-mentioned term State and be necessarily directed to identical embodiment or example.And, the specific features of description, structure, material or feature can be with Combined in an appropriate manner in one or more any embodiments or example.Additionally, those skilled in the art can be by Different embodiments or example described in this specification are engaged and combined.
Although embodiment of the present utility model has been shown and described above, it is to be understood that above-described embodiment is Exemplary, it is impossible to it is interpreted as to limitation of the present utility model, one of ordinary skill in the art is in scope of the present utility model It is interior above-described embodiment to be changed, changed, replaced and modification.

Claims (13)

1. a kind of washing machine, it is characterised in that including:
Outer barrel;
Interior bucket, the interior bucket is rotatably provided in said tub;
Motor, the motor includes stator, the first rotor portion, the second rotor portions and in washing state that can rotate against respectively The changeable switching mechanism and dewatering state between, the first rotor portion, second rotor portions and the stator are along described The radial direction of motor interval setting successively from outside to inside, the stator be arranged in said tub and with the relative position of said tub Fixed, the first rotor portion is connected with the interior bucket,
When the switching mechanism is in the washing state, the relative position of the stator and second rotor portions, institute are fixed State the first rotor portion and serve as rotor for driving the interior bucket rotation,
When the switching mechanism is in the dewatering state, the relative position in the first rotor portion and second rotor portions is fixed Put, the first rotor portion and second rotor portions serve as the rotor for driving the interior bucket rotation.
2. washing machine according to claim 1, it is characterised in that the switching mechanism includes:
Stator retainer ring, the stator retainer ring is fixed with the relative position of the stator;
The first rotor retainer ring, the first rotor retainer ring is fixed with the relative position in the first rotor portion;
Second rotor retaining ring, second rotor retaining ring is fixed with the relative position of second rotor portions;
Drive division and slip ring, the slip ring are driven by the drive division and slided,
When the switching mechanism is in the washing state, the slip ring is fixed with described respectively under the driving of the drive division Sub- retainer ring and second rotor retaining ring coordinate,
When the switching mechanism is in the dewatering state, the slip ring is under the driving of the drive division respectively with described the One rotor retaining ring and second rotor retaining ring coordinate.
3. washing machine according to claim 2, it is characterised in that the drive division is to drive the cunning by electromagnetic induction The control coil that rotating ring is slided.
4. washing machine according to claim 2, it is characterised in that the slip ring, the stator retainer ring, described first Latch is respectively equipped with rotor retaining ring and second rotor retaining ring,
When the switching mechanism is in the washing state, latch on the slip ring respectively with the stator retainer ring on Latch engagement on latch and second rotor retaining ring,
When the switching mechanism is in the dewatering state, latch on the slip ring respectively with the first rotor retainer ring On latch and second rotor retaining ring on latch engagement.
5. washing machine according to claim 4, it is characterised in that the latch on the slip ring is distributed in the slip ring Outer peripheral face and inner peripheral surface on, the latch in the stator retainer ring is distributed on the inner peripheral surface of the stator retainer ring, described Latch in the first rotor retainer ring is distributed on the outer peripheral face of the first rotor retainer ring, on second rotor retaining ring Latch be distributed on the outer peripheral face of second rotor retaining ring.
6. the washing machine according to any one of claim 2-5, it is characterised in that the motor also includes:
Stator cage, the stator cage is arranged in said tub, and the stator is connected with the stator cage;
Outer rotor casing, the stator, the first rotor portion and second rotor portions are each provided in the outer rotor casing, The first rotor portion is connected with the outer rotor casing and the outer rotor casing is passed by support shaft with the interior bucket Dynamic connection;
Internal rotor casing, the internal rotor casing is located in the outer rotor casing and is connected with second rotor portions,
The stator retainer ring is connected with the stator cage, and the first rotor retainer ring is driven with the support shaft and connects Connect, second rotor retaining ring is connected with the internal rotor casing.
7. washing machine according to claim 6, it is characterised in that pass through between the internal rotor casing and the support shaft Bearing fit.
8. washing machine according to claim 6, it is characterised in that the support shaft is quill shaft that cross section is annular.
9. washing machine according to claim 6, it is characterised in that said tub is provided with support base, the support shaft is led to Bearing is crossed to be rotatably fitted in the support base.
10. washing machine according to claim 1, it is characterised in that the stator includes:
Stator conducting magnet core;
Stator winding, the stator winding is wound on the stator conducting magnet core.
11. washing machines according to claim 10, it is characterised in that the first rotor portion includes:
Rotor conducting magnet core;
Permanent magnet, the permanent magnet is located on the rotor conducting magnet core.
12. washing machines according to claim 11, it is characterised in that second rotor portions include:
Multiple conducting magnet cores;
Multiple non-magnetic spacer blocks, multiple conducting magnet cores and multiple non-magnetic spacer blocks are handed over along the circumference of the motor For arrangement.
13. washing machines according to claim 12, it is characterised in that the number of pole-pairs of the rotating excitation field that the stator is produced is ps, the number of pole-pairs of the excitation field that the first rotor portion produces is pf, the quantity of the conducting magnet core is pr, wherein, pr=| ps ±pf|。
CN201621166345.5U 2016-10-31 2016-10-31 Washing machine Withdrawn - After Issue CN206219840U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201621166345.5U CN206219840U (en) 2016-10-31 2016-10-31 Washing machine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201621166345.5U CN206219840U (en) 2016-10-31 2016-10-31 Washing machine

Publications (1)

Publication Number Publication Date
CN206219840U true CN206219840U (en) 2017-06-06

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201621166345.5U Withdrawn - After Issue CN206219840U (en) 2016-10-31 2016-10-31 Washing machine

Country Status (1)

Country Link
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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106533002A (en) * 2016-10-31 2017-03-22 广东威灵电机制造有限公司 Washing machine
WO2018076478A1 (en) * 2016-10-31 2018-05-03 广东威灵电机制造有限公司 Washing machine

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106533002A (en) * 2016-10-31 2017-03-22 广东威灵电机制造有限公司 Washing machine
WO2018076478A1 (en) * 2016-10-31 2018-05-03 广东威灵电机制造有限公司 Washing machine

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