CN206219842U - Washing machine - Google Patents
Washing machine Download PDFInfo
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- CN206219842U CN206219842U CN201621166260.7U CN201621166260U CN206219842U CN 206219842 U CN206219842 U CN 206219842U CN 201621166260 U CN201621166260 U CN 201621166260U CN 206219842 U CN206219842 U CN 206219842U
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- rotor
- stator
- retainer ring
- washing machine
- latch
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Abstract
The utility model discloses a kind of washing machine, including：Outer barrel；Interior bucket；Impeller；Motor, the motor includes the stator that can be rotated against respectively, the first rotor portion, second rotor portions and changeable switching mechanism between washing state and dewatering state, the stator is arranged in said tub and is fixed with the relative position of said tub, the first rotor portion is connected with the impeller, second rotor portions are connected with the interior bucket, when the switching mechanism is in the washing state, serve as the rotor for driving the impeller rotation in the first rotor portion, when the switching mechanism is in the dewatering state, the first rotor portion and second rotor portions serve as the rotor for driving the interior bucket and the impeller synchronous rotary.Have the advantages that system effectiveness is high, noise is small, torque density is big, small volume according to washing machine structure of the present utility model.
Description
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 type of drive of rotary drum washing machine is usually belt and drives or directly drive, and both drive patterns are both needed to
It is equipped with clutch to be slowed down, not only influences the system effectiveness of washing machine, and noise is larger.Therefore, being carried in correlation technique
Go out using the technical scheme of mechanical clutch switching device, but the torque density of this technical scheme is smaller, and complex structure, lead
Cause the volume of washing machine larger.
Utility model content
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 has that system effectiveness is high, noise is small, torque density is big, small volume
The advantages of.
According to the washing machine of the utility model embodiment, including：Outer barrel；Interior bucket, the interior bucket is rotatably provided in described
In outer barrel；Impeller, the impeller is located in the interior bucket in which can revolve ground；Motor, the motor includes what can be rotated against respectively
Stator, the first rotor portion, the second rotor portions and changeable switching mechanism between washing state and dewatering state, it is described fixed
Son is arranged in said tub and is fixed with the relative position of said tub, and the first rotor portion is driven with the impeller and connects
Connect, second rotor portions are connected with the interior bucket, when the switching mechanism is in the washing state, fixation is described fixed
Serve as the rotor for driving the impeller 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 and the impeller synchronous rotary.
Have that system effectiveness is high, noise is small, torque density is big according to washing machine structure of the present utility model, small volume etc. it is excellent
Point.
In addition, the motor according to the utility model embodiment can also have following additional technical characteristic：
According to one embodiment of the present utility model, the first rotor portion, second rotor portions and the stator edge
The radial direction of motor interval setting successively from outside to inside.
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 synchronizer, the synchronizer are driven by the drive division and slided, when the switching mechanism is in the washing state,
The synchronizer 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 synchronizer 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 synchronizer to slide by electromagnetic induction
Control coil.
According to one embodiment of the present utility model, the synchronizer, 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 synchronization
Latch on device 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 synchronizer 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 synchronizer is distributed in the outer peripheral face of the synchronizer
On inner peripheral surface, the latch in the stator retainer ring is distributed on the outer peripheral face of the stator retainer ring, the first rotor
Latch in retainer ring is distributed on the inner peripheral surface of the first rotor retainer ring, the latch on second rotor retaining ring point
Cloth is on the inner peripheral surface 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 first rotating shaft with the impeller；Internal rotor casing, the internal rotor casing is located at
In the outer rotor casing, the internal rotor casing is connected with second rotor portions and the internal rotor casing is by the
Two rotating shafts are connected with the interior bucket, and the stator retainer ring is connected with the stator cage, and the first rotor is consolidated
Determine ring to be connected with the outer rotor casing, second rotor retaining ring is connected with second rotor portions.
According to one embodiment of the present utility model, second rotating shaft is hollow shaft, and the first rotating shaft is to be located at
State the solid shafting being spaced apart in the second rotating shaft and with second rotating shaft.
According to one embodiment of the present utility model, oiliness bearing is passed through between the first rotating shaft and second rotating shaft
Coordinate.
According to one embodiment of the present utility model, matched somebody with somebody by bearing between the stator cage and second rotating shaft
Close.
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, 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 permanent magnetic 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 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 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：Synchronizer；
351：Stator cage；352：Outer rotor casing；353：Internal rotor casing；
361：Bearing；Contain bearing 362；
37：First rotating shaft；
38：Second rotating shaft；
400：Impeller.
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, impeller 400 and motor 300.Tool
For body, interior bucket 200 is rotatably provided in outer barrel 100, and impeller 400 is rotatably provided in interior bucket 200, and motor 300 includes
The stator 31 that can rotate against respectively, the first rotor portion 32, the second rotor portions 33 and between washing state and dewatering state
Changeable switching mechanism 34.
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 impeller 400
Connection, the second rotor portions 33 are connected with interior bucket 200.When switching mechanism 34 is in washing state, fixed stator 31 and second
The rotor for driving impeller 400 to rotate is served as in the relative position of rotor portions 33, the first rotor portion 32, and switching mechanism 34 is in de-
During water state, the relative position of fixed the first rotor portion 32 and the second rotor portions 33, the rotor portions 33 of the first rotor portion 32 and second
Serve as the rotor for driving interior bucket 200 and the synchronous rotary of impeller 400.
In other words, washing machine S is for rotary drum washing machine and mainly by outer barrel 100, interior bucket 200, impeller 400 and motor 300
Composition.Direction (above-below direction as shown in Figure 1) extends respectively in axial direction for outer barrel 100 and interior bucket 200, and outer barrel 100 is fixed on laundry
On the cabinet (not shown) of machine S, interior bucket 200 is rotatably set in outer barrel 100, and is coaxially disposed with outer barrel 100, impeller
400 be rotatably arranged with interior bucket 200 so that interior bucket 200 relative to outer barrel 100 and impeller 400 relative to interior bucket
200 have rotational independence, and then drive impeller 400 to rotate alone or rotated jointly with interior bucket 200 by motor 300,
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 impeller 400, that is to say, that can between the first rotor portion 32 and impeller 400
To be synchronized with the movement, it is also possible to synchronous not move, so as to realize driving of the motor 300 to impeller 400.Second rotor portions 33 and interior bucket
200 drive connections, that is to say, that can be synchronized with the movement between the second rotor portions 33 and interior bucket 200, 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 consolidated
Relative position between the rotor portions 33 (as shown in Figure 1) of stator 31 and second, so that the rotor portions 33 of stator 31 and second
Used as the stator of motor 300, relative to the transfixion of outer barrel 100, now, the first rotor portion 32 is formed as can be relative to stator 31
Rotated with the second rotor portions 33, i.e., as motor 300 rotor and drive impeller 400 to rotate so that motor 300 is equivalent
Number of pole-pairs is higher, and then realizes the big torque low-speed high-efficiency running status of washing machine S.
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 and the synchronous rotary of impeller 400, and then causes
The equivalent number of pole-pairs of motor 300 is relatively low, and then realizes the small torque high-speed and high-efficiency running status of washing machine S.So as to by switching
Mechanism 34 realizes the switching between washing state and dewatering state, realizes to the equivalent rotor number of pole-pairs of motor 300 and operating point
The regulation of frequency, so as to 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
It is real to drive the rotor of impeller 400 or impeller 400 and interior bucket 200, and then in the case where the connection of the winding of motor 300 is not changed
The switching of the existing rotor number of poles of motor 300 and running frequency, so as to adapt to the different mode of washing machine S.Meanwhile, by using motor
300 carry out high torque (HT) direct drive, can effectively simplify overall structure, reduce machine volume, and also can reduce laundry
Machine S runs noise and energy consumption.The compact conformation of washing machine S, small volume, noise are low, energy consumption is low, it is possible to achieve height turns
Square directly drives, and simultaneously effective takes into account washing machine S high energy efficiency operations under washing mode and dehydration mode.
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 synchronizer 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 synchronizer 3442 drives slip by drive division 3441, and switching mechanism 34 is in washing
During state, synchronizer 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, synchronizer 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 synchronizer 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, it is synchronous
The adjacent stator retainer ring 341 of device 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 (above-below direction 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), synchronizer 3442 drives in drive division 3441
Under, side coordinates with stator retainer ring 341, and opposite side 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 simultaneously can drive impeller 400 to rotate, so that the equivalent number of pole-pairs of motor 300 is higher, and then realize that washing machine S's is big
Torque low-speed high-efficiency running status.When switching mechanism 34 is in dewatering state (position as shown in Figure 3), synchronizer 3442 is driving
Under dynamic portion 3441 drives, side coordinates with the first rotor retainer ring 342, and opposite side coordinates with the second rotor retaining ring 343, so that
So that the relative position of the rotor portions 33 of the first rotor portion 32 and second is fixed (can be synchronized with the movement or not move synchronously), this
When, the rotor portions 33 of the first rotor portion 32 and second are formed as the rotor of the rotation of relative stator 31 and can drive impeller 400 and interior
200 synchronous rotaries of bucket, 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 of washing machine S
Running status.
Alternatively, drive division 3441 is the control coil that the slip of synchronizer 3442 is driven by electromagnetic induction.By that will drive
Dynamic portion 3441 is set to the control coil that by electromagnetic induction synchronizer 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, synchronizer 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 synchronizer 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 synchronizer 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, synchronizer 3442 is generally formed into columnar structured, columnar structured synchronizer 3442
Inner and outer wall on be respectively equipped with latch, the inwall of the first rotor retainer ring 342 is provided with latch, the second rotor retaining ring
343 inwall is provided with latch, and the latch on the outer wall of synchronizer 3442 can be solid with the rotor of the first rotor retainer ring 342 and second
The latch engagement determined on the inwall of ring 343 coordinates, latch on the inwall of synchronizer 3442 can with the outer wall of stator retainer ring 341 on
Latch coordinate so that using the mating reaction between latch, enhancing synchronizer 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 synchronizer 3442 is distributed on the outer peripheral face and inner peripheral surface of synchronizer 3442, stator retainer ring
Latch on 341 is distributed on the outer peripheral face of stator retainer ring 341, and the latch in the first rotor retainer ring 342 is distributed in first
On the inner peripheral surface of rotor retaining ring 342, the latch on the second rotor retaining ring 343 is distributed in the interior of the second rotor retaining ring 343
On side face.
Specifically, be respectively equipped with latch on the inner peripheral surface and outer peripheral face of synchronizer 3442, the first rotor retainer ring 342 it is interior
Side face is provided with latch, and the inner peripheral surface of the second rotor retaining ring 343 is provided with latch, the latch energy on the outer peripheral face of synchronizer 3442
It is enough to engage cooperation with the latch on the inner peripheral surface of the rotor retaining ring 343 of the first rotor retainer ring 342 and second, in synchronizer 3442
Latch on side face can coordinate with the latch on the outer peripheral face of stator retainer ring 341, so as to using the mating reaction between latch, increase
Strong connection between synchronizer 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 outer peripheral face of synchronizer 3442 with
Latch engagement on the inner peripheral surface of second rotor retaining ring 343, outside the latch and stator retainer ring 341 on the inner peripheral surface of synchronizer 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 outer peripheral face of synchronizer 3442
Engaged with the latch on the inner peripheral surface 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 first rotating shaft 37, internal rotor casing 353 be located in outer rotor casing 352 and with the second rotor
Portion 33 is connected, and internal rotor casing 353 is connected by the second rotating shaft 38 with interior bucket 200.Stator retainer ring 341 and stator
Casing 351 is connected, and the first rotor retainer ring 342 is connected with outer rotor casing 352, the second rotor retaining ring 343 with
Second rotor portions 33 are connected.
Specifically, as shown in Fig. 2 outer rotor casing 352 is generally formed into the unlimited cylinder-like structure in one end (such as lower 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 impeller 400 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 outer rotor casing 352 and the second rotor retaining ring 343 and the second rotor portions 33 and
Using drive connection between internal rotor casing 353, that is to say, that between stator 31 and stator cage 351, the first rotor portion 32
And the impeller 400 that is attached thereto and outer rotor casing 352 between, between the second rotor portions 33 and internal rotor casing 353, stator it is solid
Determine ring 341 and stator cage 351 be driven between, between the first rotor retainer ring 342 and outer rotor casing 352 and the second rotor
Retainer ring 343 be synchronized with the movement respectively with the second rotor portions 33 and internal rotor casing 353 or it is synchronous do not move, for example, in this implementation
In example, without relative motion between stator 31 and stator cage 351, stator cage 351 is in stationary state, then stator 31 is also at
Stationary state.
Advantageously, for further save space and the driving that does not influence to impeller 400 and interior bucket 200, the second rotating shaft 38
It is hollow shaft, first rotating shaft 37 is to be located at the solid shafting being spaced apart in the second rotating shaft 38 and with the second rotating shaft 38.
Wherein, coordinated by bearing 361 between the rotating shaft 38 of internal rotor casing 353 and second, first rotating shaft 37 and second turn
Coordinated by oiliness bearing 362 between axle 38.
Specifically, as shown in Fig. 2 the inner peripheral surface of internal rotor casing 353 coordinates with the outer peripheral face of bearing 361, the second rotating shaft 38
The inner peripheral surface of outer peripheral face and bearing 361 coordinate.The inner peripheral surface of the second rotating shaft 38 coordinates with the outer peripheral face of oiliness bearing 362, and first
The outer peripheral face of rotating shaft 37 coordinates with the inner peripheral surface of oiliness bearing 362
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 rotary drum 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, rotary drum washing machine S primary structures include outer barrel 100, interior bucket in the utility model embodiment
200, impeller 400, and the pole-changing change grade critical piece of Medium-voltage Motor 300 for driving, wherein 100 fixations of washing machine S outer barrels
On the casing of washing machine S.Pole-changing becomes Medium-voltage Motor 300 and includes stator 31, the first rotor portion 32, the second rotor portions 33, switching machine
The grade critical piece of structure 34.Detailed, the stator conducting magnet core 311 of the stator 31 comprising high permeability material composition of motor 300, coiling
Stator winding 312 thereon, stator cage 351 is constituted, and wherein stator cage 351 is bolted on washing machine S outer barrels
On 100.In the present embodiment, stator winding 312 is three-phase symmetric winding, and coil spread is 1, is produced after passing to three-phase symmetrical electric current
The rotating excitation field of raw number of pole-pairs ps=4.The rotor conducting magnet core 321 that the first rotor portion 32 is constituted comprising high permeability material, and
The permanent magnet 322 of built-in arrangement, permanent magnet 322 is circumferentially arranged in the polarity identical mode of adjacent permanent magnet 322, produces pole
The permanent magnetic field of logarithm pf=16, conducting magnet core 331 and non-magnetic interval that the second rotor portions 33 are constituted comprising high permeability material
Block 332 is constituted, the block number pr=20 of conducting magnet core 331.The first rotor portion 32 drives impeller 400 to rotate by first rotating shaft 37.
Switching mechanism 34 includes driving coil, and stator retainer ring 341, the second rotor retaining ring 343, the first rotor retainer ring 342 is synchronous
The grade of device 3442 critical piece is constituted.Synchronizer 3442 is radially inner side and outside all toothed gear rings, the second rotor retaining ring 343
It is radially inner side toothed gear ring with the first rotor retainer ring 342, stator retainer ring 341 is radial outside toothed gear ring.
In the washing condition, driving coil drives synchronizer 3442 to move to the position shown in Fig. 1 and Fig. 2 to rotary drum 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 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 drive the low speed high torque of the impeller 400 washing operation of washing machine S, now, the equivalent operation pole of motor 300
Logarithm is pr=16, and the work electricity frequency under 120rpm washing rotating speeds is 35Hz.Rotary drum washing machine S is in dehydrating operation state
Under, driving coil drives synchronizer 3442 to run to the position shown in Fig. 4 and Fig. 5, makes the second rotor retaining ring 343 and first turn
Sub- retainer ring 342 is engaged, and in this case, stator 31 is fixed component, and the second rotor portions 33 and the first rotor portion 32 are locked
Keep relatively fixed position to become the rotor of Medium-voltage Motor 30 as pole-changing, impeller 400 and the high speed dewatering of interior bucket 200 are driven together
Operation, now, the equivalent operation number of pole-pairs ps=4 of motor 300, under 800rpm dehydrating speeds work electricity frequency be
53.8Hz.The ratio between bucket speed of dehydration and washing is 6.66, but the work electricity frequency ratio of motor 300 is only when dehydration and washing
1.68, it is ensured that between motor 300 is operated in high efficient area under two states, washing machine S energy consumptions significantly decline.
Washing machine S according to the utility model embodiment, employs the operation principle entirely different with existing magneto,
Torque density has a significant increase under identical volume, thus high torque (HT) direct drive can be realized and without using planetary gear
Slow down and increase square.Also, by stator 31 and the first rotor portion 32, the selection of the number of poles of the second rotor portions 33, motor can be caused
300 realize that big torque low-speed high-efficiency rate is run under the washing state by big work number of poles, under the dewatering state
Realize that high speed, high efficiency runs by relatively low work number of pole-pairs rate, therefore washing machine 300 realizes height in the state of difference
Efficiency is run.Further, since employing new principle motor as power source so that the dynamic structure overall volume is small, structure
It is compact, the volume of the washing machine whole machines of S can be reduced on the premise of constant in washing clothes weight, and due to eliminating gear
Slowing-down structure, the dynamical system efficiency is obviously improved, and noise is decreased obviously.
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 (14)
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；
Impeller, the impeller is located in the interior bucket in which can revolve ground；
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 stator be arranged on said tub on and with the relative position of said tub
Fixed, the first rotor portion is connected with the impeller, and second rotor portions are 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 impeller 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 are served as driving turning for the interior bucket and the impeller synchronous rotary
Son.
2. washing machine according to claim 1, it is characterised in that the first rotor portion, second rotor portions and institute
State radial direction from outside to inside successively interval setting of the stator along the motor.
3. 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 synchronizer, the synchronizer are driven by the drive division and slided,
When the switching mechanism is in the washing state, the synchronizer 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 synchronizer is under the driving of the drive division respectively with described the
One rotor retaining ring and second rotor retaining ring coordinate.
4. washing machine according to claim 3, it is characterised in that the drive division be driven by electromagnetic induction it is described same
The control coil that step device is slided.
5. washing machine according to claim 3, it is characterised in that the synchronizer, 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 synchronizer 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 synchronizer respectively with the first rotor retainer ring
On latch and second rotor retaining ring on latch engagement.
6. washing machine according to claim 5, it is characterised in that the latch on the synchronizer is distributed in the synchronizer
Outer peripheral face and inner peripheral surface on, the latch in the stator retainer ring is distributed on the outer peripheral face of the stator retainer ring, described
Latch in the first rotor retainer ring is distributed on the inner peripheral surface of the first rotor retainer ring, on second rotor retaining ring
Latch be distributed on the inner peripheral surface of second rotor retaining ring.
7. the washing machine according to any one of claim 3-6, 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 passes through first rotating shaft and the impeller
Drive connection；
Internal rotor casing, the internal rotor casing is located in the outer rotor casing, the internal rotor casing with described second turn
Sub-portion is connected and the internal rotor casing is connected by the second rotating shaft with the interior bucket；
The stator retainer ring is connected with the stator cage, and the first rotor retainer ring is passed with the outer rotor casing
Dynamic connection, second rotor retaining ring is connected with second rotor portions.
8. washing machine according to claim 7, it is characterised in that second rotating shaft is hollow shaft, the first rotating shaft
The solid shafting being spaced apart to be located in second rotating shaft and with second rotating shaft.
9. washing machine according to claim 8, it is characterised in that pass through between the first rotating shaft and second rotating shaft
Oiliness bearing coordinates.
10. washing machine according to claim 7, it is characterised in that lead between the stator cage and second rotating shaft
Cross bearing fit.
11. washing machines 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.
12. washing machines according to claim 11, 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.
13. washing machines according to claim 12, 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.
14. washing machines according to claim 13, 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 permanent magnetic field that the first rotor portion produces is pf, the quantity of the conducting magnet core is pr, wherein, pr=| ps
±pf|。
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621166260.7U CN206219842U (en) | 2016-10-31 | 2016-10-31 | Washing machine |
| PCT/CN2016/109544 WO2018076481A1 (en) | 2016-10-31 | 2016-12-12 | Washing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621166260.7U CN206219842U (en) | 2016-10-31 | 2016-10-31 | Washing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206219842U true CN206219842U (en) | 2017-06-06 |
Family
ID=58787898
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621166260.7U Withdrawn - After Issue CN206219842U (en) | 2016-10-31 | 2016-10-31 | Washing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206219842U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106521882A (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 |
| CN109440385A (en) * | 2018-12-20 | 2019-03-08 | 宁波市弘露电子商务有限公司 | A kind of washing machine |
| CN112663276A (en) * | 2019-10-16 | 2021-04-16 | 青岛海尔洗衣机有限公司 | Washing machine and control method thereof |
| CN112746459A (en) * | 2019-10-16 | 2021-05-04 | 青岛海尔洗衣机有限公司 | Washing machine and control method thereof |
| US11773525B2 (en) | 2019-05-02 | 2023-10-03 | Whirlpool Corporation | Double-rotor washing type drum washing machine |
-
2016
- 2016-10-31 CN CN201621166260.7U patent/CN206219842U/en not_active Withdrawn - After Issue
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106521882A (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 |
| CN106521882B (en) * | 2016-10-31 | 2019-04-19 | 广东威灵电机制造有限公司 | Washing machine |
| CN109440385A (en) * | 2018-12-20 | 2019-03-08 | 宁波市弘露电子商务有限公司 | A kind of washing machine |
| US11773525B2 (en) | 2019-05-02 | 2023-10-03 | Whirlpool Corporation | Double-rotor washing type drum washing machine |
| CN112663276A (en) * | 2019-10-16 | 2021-04-16 | 青岛海尔洗衣机有限公司 | Washing machine and control method thereof |
| CN112746459A (en) * | 2019-10-16 | 2021-05-04 | 青岛海尔洗衣机有限公司 | Washing machine and control method thereof |
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