CN206219838U - Washing machine - Google Patents

Washing machine Download PDF

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Publication number
CN206219838U
CN206219838U CN201621164980.XU CN201621164980U CN206219838U CN 206219838 U CN206219838 U CN 206219838U CN 201621164980 U CN201621164980 U CN 201621164980U CN 206219838 U CN206219838 U CN 206219838U
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CN
China
Prior art keywords
stator
piecemeal
motor
rotor
external stator
Prior art date
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Active
Application number
CN201621164980.XU
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Chinese (zh)
Inventor
吴迪
陈金涛
诸自强
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
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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 CN201621164980.XU priority Critical patent/CN206219838U/en
Application granted granted Critical
Publication of CN206219838U publication Critical patent/CN206219838U/en
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Abstract

The utility model discloses a kind of washing machine, including:Outer barrel;Interior bucket;Motor, the motor includes:External stator, the external stator is arranged in said tub, and the external stator includes at least one external stator piecemeal, and the quantity of the external stator piecemeal is less than the quantity of the external stator piecemeal needed for connecting into closed-loop shaped along the circumference of the motor;Inner stator, the inner stator is arranged in said tub, in the motor radially positioned at the inner side of the external stator, the inner stator includes at least one default piecemeal to the inner stator, and the quantity of the default sub-piecemeal is identical with the quantity of the external stator piecemeal;Rotatable rotor, the rotor is connected with the interior bucket, and the rotor is the closed-loop shaped of the circumferentially extending along the motor, and the rotor is in the motor radially positioned at the inner side of the external stator and the outside of the inner stator.Small volume, high working efficiency are had the advantages that according to washing machine of the present utility model, is cleaned than high.

Description

Washing machine
Technical field
The utility model is related to electrical equipment manufacturing technology field, in particular it relates to a kind of washing machine.
Background technology
Roller washing machine is imitated in clothes are cleaned and manually beats principle, and the damage to clothing is smaller, and uses water Amount is small, is increasingly liked by users, and centralized driving adds the roller washing machine of belt transmission noise in the course of the work It is larger, gradually replaced by the roller washing machine of the direct driving mode that noise is low and loss is small.Centralized driving mould in correlation technique The roller washing machine of formula, the diameter dimension of the motor being directly installed in outer barrel is larger, and material cost is increased considerably, and And can not reasonably solve the relation between motor size and silicon steel sheet and neodymium iron boron.
Utility model content
The utility model is intended at least solve one of above-mentioned technical problem to a certain extent.
Therefore, the utility model proposes a kind of washing machine, the washing machine has small volume, high working efficiency, cleans than high The advantages of.
To achieve the above object, according to the utility model proposes a kind of washing machine, the washing machine includes:Outer barrel;Interior bucket, The interior bucket is rotatably provided in said tub;Motor, the motor includes:External stator, the external stator is arranged on described In outer barrel, the external stator includes at least one external stator piecemeal, and the quantity of the external stator piecemeal is less than along the motor The quantity of the external stator piecemeal needed for circumferentially connecting into closed-loop shaped;Inner stator, the inner stator is arranged in said tub, described Inner stator the motor radially positioned at the external stator inner side and with the external stator interval setting, the inner stator Including at least one default piecemeal, the quantity of the default sub-piecemeal is identical with the quantity of the external stator piecemeal;It is rotatable Rotor, the rotor is connected with the interior bucket, and the rotor is the closed-loop shaped of the circumferentially extending along the motor, described turn Son is in the motor radially positioned at the inner side of the external stator and the outside of the inner stator.
Small volume, high working efficiency are had the advantages that according to washing machine of the present utility model, is cleaned than high.
In addition, according to the washing machine of the utility model embodiment, can also have following additional technical characteristic:
The external stator piecemeal is circumferential uniform arrangement multiple and along the motor, the default sub-piecemeal for multiple and Along the circumferential uniform arrangement of the motor.
The external stator piecemeal and the default sub-piecemeal are oppositely disposed one by one along the circumference of the motor.
The rotor includes:Multiple conducting magnet cores;Multiple non-magnetic spacer blocks, described in multiple conducting magnet cores and multiple Non-magnetic spacer block is alternately arranged along the circumference of the motor.
The external stator piecemeal includes:External stator conducting magnet core;Stator winding, the stator winding is wound on described outer fixed On sub- conducting magnet core.
The default sub-piecemeal includes:Inner stator conducting magnet core;Permanent magnet, the permanent magnet is located at the inner stator magnetic conduction On iron core.
The number of pole-pairs in the magnetic field that each described external stator piecemeal is produced is ps, the quantity of the permanent magnet of the inner stator is npm0And the number of pole-pairs in the magnetic field of each default sub-piecemeal generation is pf=npm0/ 2, the quantity of the conducting magnet core of the rotor It is prAnd meet:pr=n0|ps±pf|, wherein, n0External stator piecemeal for needed for connecting into closed-loop shaped along the circumference of the motor Quantity.
The default sub-piecemeal includes:Inner stator conducting magnet core;Stator winding, the stator winding is wound on described default On sub- conducting magnet core.
The external stator piecemeal includes:External stator conducting magnet core;Permanent magnet, the permanent magnet is located at the external stator magnetic conduction On iron core.
The number of pole-pairs in the magnetic field that each described default sub-piecemeal is produced is ps, the quantity of the permanent magnet of the external stator is npm0And the number of pole-pairs in the magnetic field of each external stator piecemeal generation is pf=npm0/ 2, the quantity of the conducting magnet core of the rotor It is prAnd meet:pr=n0|ps±pf|, wherein, n0Default sub-piecemeal for needed for connecting into closed-loop shaped along the circumference of the motor Quantity.
Each described external stator piecemeal has multiple stator tooths and the multiple teeth groove being located at respectively between adjacent stators tooth, often The quantity of the stator tooth of the individual external stator piecemeal is Ns0, the slot-pitch angle of the adjacent sheaves of each external stator piecemeal is α0And Meet:α0=2 π/Ns0/n0, wherein, n0The quantity of the external stator piecemeal for needed for connecting into closed-loop shaped along the circumference of the motor.
The motor also includes:Stator cage, the external stator and the inner stator are arranged on the stator cage;Turn Handset shell, the rotor is arranged on the rotor casing, and the rotor is by the rotor casing driving load.
The rotor is connected by the support shaft through said tub with the interior bucket.
The support shaft is annular quill shaft for cross section.
Said tub is provided with support base, and the support shaft is rotatably fitted in the support base by bearing.
Additional aspect of the present utility model and advantage will be set forth in part in the description, partly by from following description In become obvious, or by it is of the present utility model practice recognize.
Brief description of the drawings
Of the present utility model above-mentioned and/or additional aspect and advantage will from description of the accompanying drawings below to embodiment is combined Become substantially and be readily appreciated that, wherein:
Fig. 1 is the structural representation of the motor according to the utility model embodiment one;
Fig. 2 is the structural representation of the motor according to the utility model embodiment two;
Fig. 3 is the structural representation of the motor according to the utility model embodiment three;
Fig. 4 is the enlarged drawing in A portions in Fig. 3;
Fig. 5 is the partial structural diagram of the washing machine according to the utility model embodiment one;
Fig. 6 is the partial structural diagram of the washing machine according to the utility model embodiment two.
Reference:
100:Washing machine;
10:Motor;
11:External stator;
111:External stator piecemeal;112:External stator conducting magnet core;
113:External stator tooth;114:Stator winding;115:Permanent magnet;
12:Inner stator;
121:Default sub-piecemeal;122:Inner stator conducting magnet core;
123:Inner stator tooth;124:Stator winding;125:Permanent magnet;
13:Rotor;
131:Conducting magnet core;132:Non-magnetic spacer block;
14:Stator cage;
15:Rotor casing;
20:Outer barrel;
21:Support base;22:Bearing;23:Screw
30:Interior bucket;
40:Support shaft.
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. 4 specifically describes the motor 10 according to the utility model first aspect embodiment below in conjunction with the accompanying drawings.
Motor 10 according to the utility model embodiment includes:External stator 11, inner stator 12 and rotatable rotor 13, outward Stator 11 includes at least one external stator piecemeal 111, and the quantity of external stator piecemeal 111 is less than to be connected into along the circumference of motor 10 closes The quantity of the external stator piecemeal 111 needed for annular, inner stator 12 motor 10 radially positioned at external stator 11 inner side and with The interval setting of external stator 11, inner stator 12 includes at least one default piecemeal, quantity and the external stator piecemeal of default sub-piecemeal 121 111 quantity is identical, and rotor 13 is the closed-loop shaped of the circumferentially extending along motor 10, and rotor 13 is outer in being radially located at for motor 10 The inner side of stator 11 and the outside of inner stator 12.
In other words, motor 10 is mainly made up of external stator 11, inner stator 12 and rotor 13, and external stator 11 is outer fixed by several Sub-piecemeal 111 is constituted, wherein, multiple external stator piecemeals 111 are arranged in order along the circumference of motor 10, if the circumference of motor 10 is arranged Full external stator piecemeal 111, the sum that can now define all external stator piecemeals 111 of external stator 11 is N1, and the present embodiment In the quantity n1 of external stator piecemeal 111 that includes of external stator 11, meet relational expression:n1≤N1.
It is understood that external stator piecemeal 111 can finish up successively is connected to form closed loop, the number of external stator piecemeal 111 Amount is likely to less, it is impossible to which closure forms generation gap between closed loop, and adjacent external stator piecemeal 111 and is beneficial to form air gap, Motor 10 radially, the inner side of external stator 11 be provided between inner stator 12, and inner stator 12 and external stator 11 and be provided with gap, it is interior Stator 12 is made up of several default sub-piecemeals 121, wherein, multiple default sub-piecemeals 121 are arranged in order along the circumference of motor 10, If the circumference of motor 10 is booked default sub-piecemeal 121, can now define inner stator 12 all default sub-piecemeal 121 it is total Number is N2, and the quantity n2 of the default sub-piecemeal 121 that the inner stator 12 in the present embodiment includes, meet relational expression:n2≤N2.
Wherein, rotor 13 is rotatably arranged in motor 10, and rotor 13 is formed as the closure of the circumferentially extending along motor 10 Cirque structure, inner stator 12 is arranged on the inner side of the rotor 13 of loop configuration, and external stator 11 is located at the rotor of loop configuration 13 outside, i.e., in motor 10 in the radial direction, rotor 13 is located between inner stator 12 and external stator 11.
Thus, the motor 10 according to the utility model embodiment, by setting external stator 11, inner stator in motor 10 12, and rotor 13 is arranged between external stator 11 and inner stator 12, so when the external diameter of rotor 13 changes, the volume of stator Significant change will not occur, the cost of stationary part has been saved, drive the motor under occasion to imitate while improve low speed high torque Rate;And on the basis of the external diameter for not changing rotor 13, the volume of motor 10 can be reduced, so as to reduce the material of motor 10 Input, reduce further the production cost of motor 10, and inner stator 12 produces one to rotor 13 simultaneously with external stator 11 Interaction force, increased the turning moment of rotor 13, improve the rotary speed of motor 10, increased the work effect of motor 10 Rate.The compact conformation of the motor 10, cost performance are high, have a wide range of application.
Advantageously, the quantity of default sub-piecemeal 121 is identical with the quantity of external stator piecemeal 111, and default sub-piecemeal 121 is located at On straight line where external stator piecemeal 111 and the center of motor 10, inner stator 12 and external stator 11 can be by a fairly large number of interior Closed loop configuration, or the default sub-piecemeal by negligible amounts that stator piecemeal 121 is formed respectively with external stator piecemeal 111 121 arc-shaped structures formed respectively with external stator piecemeal 111, wherein, default sub-piecemeal 121 and external stator piecemeal 111 can be with It is respectively 1, can is 3 (as shown in the figure 2), or more than 3.
Preferably, external stator piecemeal 111 is circumferential uniform arrangement multiple and along motor 10, and default sub-piecemeal 121 is many Circumferential uniform arrangement individual and along motor 10.Specifically, as shown in figure 1, external stator piecemeal 111 along motor 10 circumferentially, The distance between adjacent external stator piecemeal 111 is equal, and the inner side of each external stator piecemeal 111 is provided with a default sub-piecemeal 121, And the outer ring of multiple default sub-piecemeals 121 forms imaginary circular circular with the imagination of the outer ring formation of multiple external stator piecemeals 111 It is coaxially arranged.
Multiple respectively constitutes external stator along the external stator piecemeal 111 that motor 10 is arranged circumferentially with default sub-piecemeal 121 11 with inner stator 12, form combined electric magnetic field in external stator 11 and inner stator 12, rotor 13 is in external stator 11 and inner stator 12 Rotated at a high speed in the presence of electromagnetic field, increased the opposing force of rotor 13, so as to not increase the basis of the volume of motor 10 On increased the turning moment of rotor 13, improve the power output of motor 10.
Alternatively, external stator piecemeal 111 and default sub-piecemeal 121 are oppositely disposed one by one along the circumference of motor 10.Also To say, external stator piecemeal 111 is equal with the number of default sub-piecemeal 121, and motor 10 radially, each external stator point The arrangement corresponding with the default sub-piecemeal 121 being located on the inside of it of block 111, external stator piecemeal 111 is relative one by one with default sub-piecemeal 121 Set, by increasing capacitance it is possible to increase stator is farthest strengthened, improve to the interaction force of rotor 13, the operating efficiency of stator The operating efficiency of motor 10.
In some specific embodiments of the present utility model, rotor 13 includes that multiple conducting magnet cores 131 are non-with multiple leads Magnetic spacer block 132, multiple conducting magnet cores 131 and multiple non-magnetic spacer blocks 132 are alternately arranged along the circumference of motor 10.
Reference picture 1, rotor 13 is made up of multiple conducting magnet cores 131 and multiple non-magnetic spacer blocks 132, conducting magnet core 131 With non-magnetic spacer block 132 along inner stator 12 circumferentially staggered arrangement, motor 10 radially, external stator 11 and inner stator 12 The outside and inner side of rotor 13 are respectively provided at, and gap is provided between external stator 11 and inner stator 12, conducting magnet core 131 and non-led Magnetic spacer block 132 is uniformly distributed in gap, and conducting magnet core 131 and non-magnetic spacer block 132 alternate arrangement.
Multiple conducting magnet cores 131 and multiple non-magnetic spacer blocks 132 are alternately arranged and to form rotor 13, can be prevented because of phase Influenced each other between adjacent conducting magnet core 131 and cause the loss of energy, reduce the work resistance in the rotary course of rotor 13 Power, improves the rotating speed and efficiency of rotor 13, it is to avoid the temperature of motor 10 is too high to be caused to damage, and reduces the energy consumption of compressor, is prolonged The service life of compressor is grown.
The motor 10 according to the utility model embodiment is specifically described with reference to multiple embodiments.
Embodiment one
As shown in figure 1, in the present embodiment, motor 10 is mainly made up of external stator 11, inner stator 12 and rotor 13, rotor 13 include multiple conducting magnet cores 131 and multiple non-magnetic spacer blocks 132, multiple conducting magnet cores 131 and multiple non-magnetic spacer blocks 132 are alternately arranged along the circumference of motor 10, and external stator 11 includes an external stator piecemeal 111, and inner stator 12 is default including one Sub-piecemeal 121.
External stator piecemeal 111 includes external stator conducting magnet core 112 and stator winding 114, and the coiling of stator winding 114 is fixed outside On sub- conducting magnet core 112.In other words, external stator piecemeal 111 is made up of external stator conducting magnet core 112 and stator winding 114, outer fixed Along motor 10 circumferentially, external stator conducting magnet core 112 is provided with multiple external stator teeth 113 to sub- conducting magnet core 112, outside each Stator tooth 113 is radially extended along motor 10, and external stator tooth 113 is provided with stator winding 114, stator winding 114 be formed as around The number of coils for being located at winding on the coaxial coil on external stator tooth 113, and each external stator tooth 113 is roughly the same.
Wherein, by setting external stator tooth 113 on outer stator piecemeal 111, and by the winding of stator winding 114 in external stator On tooth 113, electric current produces electromagnetic field by stator winding 114, and occurring to interact with rotor 13 drives rotor 13 to rotate, not only The mounting means of stator winding 114 can be simplified, additionally it is possible to increase the intensity of electromagnetic field by external stator conducting magnet core 112, adjusted The direction of whole electromagnetic field, it is ensured that the activation force that rotor 13 is subject to is maximum, improves external stator 11 and is imitated with the work of rotor 13 Rate.
Further, default sub-piecemeal 121 includes inner stator conducting magnet core 122 and permanent magnet 125, and permanent magnet 125 is located at On inner stator conducting magnet core 122, specifically, the permanent magnet 125 of default sub-piecemeal 121 opens arrangement along the circumferentially-spaced of motor 10, Each radially extending along motor 10 of permanent magnet 125, inner stator conducting magnet core 122 is located at the inner side of rotor 13, multiple permanent magnets 125 along inner stator conducting magnet core 122 circumferential proper alignment, and the distance between adjacent permanent magnet 125 is equal.
By setting inner stator conducting magnet core 122 in default sub-piecemeal 121, and set on inner stator conducting magnet core 122 Permanent magnet 125 is put, each permanent magnet 125 produces the less magnetic field of intensity, inner stator conducting magnet core 122 can be transmitted forever The magnetic field that magnet 125 is produced, the magnetic field of single permanent magnet 125 be interconnected to form in the presence of conducting magnet core 131 one it is whole Body magnetic field, the intensity in magnetic field is larger, also relatively strong to the interaction force of rotor 13, so as to increased rotor 13 rotary power and Rotary speed, and then increased the power output of motor 10.
Wherein, the number of pole-pairs in the magnetic field that each external stator piecemeal 111 is produced is ps, the number of the permanent magnet 125 of inner stator 12 It is n to measurepm0And the number of pole-pairs in the magnetic field of each default sub-piecemeal 121 generation is pf=npm0/ 2, the conducting magnet core 131 of rotor 13 Quantity is prAnd meet:pr=n0|ps±pf|, wherein, n0External stator point for needed for connecting into closed-loop shaped along the circumference of motor 10 The quantity of block 111.
Specifically, the quantity of the conducting magnet core 131 of rotor 13 is equal to the pole in the magnetic field that each external stator piecemeal 111 is produced The difference of the number of pole-pairs in the magnetic field that logarithm and each default sub-piecemeal 121 are produced and the quantity of external stator piecemeal 111 product, or It is that the number of pole-pairs in the magnetic field produced equal to each external stator piecemeal 111 is extremely right with the magnetic field that each default sub-piecemeal 121 is produced Thus the quantity of number sum and external stator piecemeal 111, can not only ensure the normal rotation of rotor 13, moreover it is possible to maximum journey to product Degree ground reduces the rotational resistance of rotor 13, farthest increases the turning moment of rotor 13, and then improve the rotation of motor 10 Speed and operating efficiency.
Each external stator piecemeal 111 has multiple stator tooths and the multiple teeth groove being located at respectively between adjacent stators tooth, often The quantity of the stator tooth of individual external stator piecemeal 111 is Ns0, the slot-pitch angle of the adjacent sheaves of each external stator piecemeal 111 is α0And it is full Foot:α0=2 π/Ns0/n0, wherein, n0The quantity of the external stator piecemeal 111 for needed for connecting into closed-loop shaped along the circumference of motor.
Thereby it is ensured that the magnetic field that the permanent magnet 125 on each external stator piecemeal 111 is produced acts directly on rotor 13 On, the rotary power for preventing from producing angle between the active force of magnetic field and rotor 13 and influenceing rotor 13.
Additionally, motor 10 also includes stator cage 14 and rotor casing 15, external stator 11 and inner stator 12 are arranged on stator On casing 14, rotor 13 is arranged on rotor casing 15, and rotor 13 passes through the driving load of rotor casing 15, wherein, stator cage 14 are fixed on the inwall of motor 10, and stator cage 14 is provided with external stator 11 and inner stator 12, and rotor casing 15 is provided with and turns Son 13, rotor 13 drives rotor casing 15 to rotate, and the connection load of motor 10 of rotor casing 15 simultaneously drives load to rotate.
Thus, by setting stator cage 14 and rotor casing 15 in the motor 10, using stator cage 14 by inner stator 12 and external stator 11 be fixed on stator cage 14, only external stator 11 and inner stator 12 do not install provides convenient, moreover it is possible to prevent The consumption of inner stator 12 and external stator 11 electric energy caused by rocking, and rotor 13 is loaded into phase with motor 10 using rotor casing 15 Even, rotor 13 loads acting by 15 motor of rotor casing 10, alleviates the abrasion of motor 10, extends making for motor 10 Use the life-span.
Embodiment two
The external stator 11 of the motor 10 of the present embodiment includes uniform and arranged spaced apart outer of three circumferences along motor 10 Stator piecemeal 111, inner stator 12 includes three circumferentially-spaced default sub-piecemeals 121 for opening arrangement along motor 10, and motor 10 Other structures and default sub-piecemeal 121 and external stator piecemeal 111 concrete structure it is identical with embodiment, herein no longer go to live in the household of one's in-laws on getting married State.
Embodiment three
As shown in figure 3, in the present embodiment, motor 10 is mainly made up of external stator 11, inner stator 12 and rotor 13, rotor 13 include multiple conducting magnet cores 131 and multiple non-magnetic spacer blocks 132, multiple conducting magnet cores 131 and multiple non-magnetic spacer blocks 132 are alternately arranged along the circumference of motor 10.
Default sub-piecemeal 121 includes inner stator conducting magnet core 122 and stator winding 124, and stator winding 124 is wound on default On sub- conducting magnet core 122.In other words, default sub-piecemeal 121 is mainly made up of inner stator conducting magnet core 122 and stator winding 124, Inner stator conducting magnet core 122 is located at the inner side of rotor 13, and inner stator conducting magnet core 122 is arranged along the circumferentially extending of rotor 13, interior Stator conducting magnet core 122 is provided with multiple inner stator teeth 123, and each inner stator tooth 123 is along the radial direction of rotor 13 from default Son 12 extends to rotor 13, and inner stator tooth 123 is provided with stator winding 124, and stator winding 124 is formed as around being located at inner stator tooth Coaxial coil on 123.
Wherein, by setting inner stator conducting magnet core 122 in default sub-piecemeal 121, on inner stator conducting magnet core 122 Inner stator tooth 123, and the winding stator winding 124 on inner stator tooth 123 are set, and stator winding 124 produces electromagnetic field, using interior Stator conducting magnet core 122 increases stator winding 124 to the interaction force of rotor 13, improves the electromagnetic field of stator winding 124 Intensity.
Reference picture 4, external stator piecemeal 111 includes external stator conducting magnet core 112 and permanent magnet 115, and permanent magnet 115 is located at outer On stator conducting magnet core 112, specifically, the permanent magnet 115 of external stator piecemeal 111 along motor 10 circumferentially-spaced arrangement, each Permanent magnet 115 is radially extended along motor 10, and external stator conducting magnet core 112 is located at the outside of rotor 13, and multiple permanent magnets 115 are along outer The circumferential proper alignment of stator conducting magnet core 112, and the distance between adjacent permanent magnet 115 is equal.
By setting external stator conducting magnet core 112 on outer stator piecemeal 111, and set on external stator conducting magnet core 112 Permanent magnet 115 is put, each permanent magnet 115 produces the less magnetic field of intensity, external stator conducting magnet core 112 can be transmitted forever The magnetic field that magnet 115 is produced, the magnetic field of single permanent magnet 115 is interconnected to form one in the presence of outer conducting magnet core 131 Global magnetic field, the intensity in magnetic field is larger, with inner stator 12 produce magnetic field mating reaction on rotor 13, to the mutual of rotor 13 Active force is stronger, so as to increased the rotary power and rotary speed of rotor 13, and then increased the power output of motor 10.
Wherein, the number of pole-pairs in the magnetic field that each default sub-piecemeal 121 is produced is ps, the number of the permanent magnet 115 of external stator 11 It is n to measurepm0And the number of pole-pairs in the magnetic field of each external stator piecemeal 111 generation is pf=npm0/ 2, the conducting magnet core 131 of rotor 13 Quantity is prAnd meet:pr=n0|ps±pf|, wherein, n0Inner stator point for needed for connecting into closed-loop shaped along the circumference of motor 10 The quantity of block 121.
Specifically, the magnetic that the number of pole-pairs and each external stator piecemeal 111 in the magnetic field that each default sub-piecemeal 121 is produced are produced Number of pole-pairs difference and default sub-piecemeal 121 quantity to product, or, equal to the magnetic field that each default sub-piecemeal 121 is produced Number of pole-pairs and the product of number of pole-pairs sum and the quantity of default sub-piecemeal 121 in magnetic field that produces of each external stator piecemeal 111, by This, can not only ensure the normal rotation of rotor 13, moreover it is possible to farthest reduce the rotational resistance of rotor 13, farthest Increase the turning moment of rotor 13, and then improve the rotary speed and operating efficiency of motor 10.
Each external stator piecemeal 111 has multiple stator tooths and the multiple teeth groove being located at respectively between adjacent stators tooth, often The quantity of the stator tooth of individual external stator piecemeal 111 is Ns0, the slot-pitch angle of the adjacent sheaves of each external stator piecemeal 111 is α0And it is full Foot:α0=2 π/Ns0/n0, wherein, n0The quantity of the external stator piecemeal 111 for needed for connecting into closed-loop shaped along the circumference of motor.
Thereby it is ensured that the magnetic field that the permanent magnet 115 on each external stator piecemeal 111 is produced acts directly on rotor 13 On, the rotary power for preventing from producing angle between the active force of magnetic field and rotor 13 and influenceing rotor 13.
Motor 10 also includes stator cage 14 and rotor casing 15, and external stator 11 and inner stator 12 are arranged on stator cage 14 On, rotor 13 is arranged on rotor casing 15, and rotor 13 passes through the driving load of rotor casing 15, wherein, stator cage 14 is fixed On the inwall of motor 10, stator cage 14 is provided with external stator 11 and inner stator 12, and rotor casing 15 is provided with rotor 13, turns Son 13 drives rotor casing 15 to rotate, and the connection load of motor 10 of rotor casing 15 simultaneously drives load to rotate.
By setting stator cage 14 and rotor casing 15 in motor 10, using stator cage 14 by inner stator 12 and outward Stator 11 is fixed on stator cage 14, and only external stator 11 and inner stator 12 do not install provides convenient, moreover it is possible to prevent inner stator 12 and the consumption of the electric energy caused by rocking of external stator 11, and rotor 13 is loaded with motor 10 using rotor casing 15 be connected, turn Son 13 loads acting by 15 motor of rotor casing 10, alleviates the abrasion of motor 10, extends the use longevity of motor 10 Life.
Need exist for explanation, the external stator conducting magnet core 112 of the motor 10 of above three embodiment, inner stator magnetic conduction Iron core 122 and conducting magnet core 131 can be used but be not limited to the high magnetic permeabilities such as silicon steel sheet, cobalt steels piece, permalloy, SMC Material is made, that is to say, that external stator conducting magnet core 112, inner stator conducting magnet core 122 and conducting magnet core 131 can be used Silicon steel material makes, it would however also be possible to employ cobalt steels sheet material makes, it is equally possible that using SMC or other high magnetic permeability materials Material makes.
Further, the permanent magnet 115 of external stator piecemeal 111 opens arrangement along the circumferentially-spaced of motor 10, each permanent magnet 115 radially extending along motor 10, inner stator conducting magnet core 122 is located at the inner side of rotor 13, and multiple permanent magnets 115 are along inner stator The circumferential proper alignment of conducting magnet core 122, can be using any installation form of Conventional permanent magnet rotor, i.e., built-in (IPM), table Face mounted type (SPM), surface flush type (Inset-SPM) etc., permanent magnet 115 can be used but be not limited to ferro-aluminum boron, iron oxygen The high coercive force permanent-magnetic materials such as body, SmCo, aluminium nickel cobalt are made, and stator winding 124 can be single-phase or multiphase, stator winding 124 Form can be fractional-slot winding or integer groove winding, and the material of stator winding 124 can be used but be not limited to copper enamel-covered wire, alumin(i)um paint Envelope curve etc..
5 to 6 specifically describe the washing machine 100 according to the utility model second aspect embodiment below in conjunction with the accompanying drawings.
Washing machine 100 according to the utility model embodiment includes:Outer barrel 20, interior bucket 30 and motor 10, interior bucket 30 can revolve It is located in outer barrel 20 with turning, motor 10 is the motor 10 according to above-described embodiment, external stator 11 and inner stator 12 are arranged on outer barrel On 20, rotor 13 is connected with interior bucket 30.
In other words, the main motor 10 described by outer barrel 20, interior bucket 30 and according to above-described embodiment of washing machine 100, outer barrel 20 are located in washing machine 100, and accommodating chamber (not shown) is provided with outer barrel 20, are provided with accommodating chamber and are movably connected in outer barrel 20 Interior bucket 30, interior bucket 30 is axially extending along outer barrel 20, is connected by motor 10 between interior bucket 30 and outer barrel 20, motor 10 it is outer fixed Son 11 is fixedly mounted in outer barrel 20 with inner stator 12, and the rotor 13 of motor 10 is fixedly mounted on interior bucket 30, in the phase of rotor 13 Bucket 30 rotates relative to outer barrel 20 in being driven during being rotated for stator.
Advantageously, rotor 13 is connected by the support shaft 40 through outer barrel 20 and interior bucket 30, that is to say, that rotor 13 Support shaft 40 is provided between interior bucket 30, one end of support shaft 40 is run through outer barrel 20 and is connected on interior bucket 30, and the other end passes through Rotor casing 15 is connected on the rotor 13 of motor 10, and motor 10 drives interior bucket 30 to rotate by support shaft 40.
Rotated by setting bucket 30 in support shaft 40 and driving between interior bucket 30 and motor 10, connection is reliable, drives work It is firmly larger, compared with interior bucket 30 is directly connected to motor 10, the gap between interior bucket 30 and outer barrel 20 is not only reduced, reduce The overall volume of washing machine 100, also reduces the load that outer barrel 20 is born in the course of the work, when reducing the work of washing machine 100 Vibration amplitude, improve the stability and reliability of washing machine 100, and motor 10 is located at outside outer barrel 20, prevent outer Current and steam in bucket 20 corrode motor 10 for a long time, alleviate the damage of motor 10, extend the use longevity of washing machine 100 Life, reduces maintenance cost.
Further, support shaft 40 is quill shaft that cross section is annular, that is to say, that the cross sectional shape of support shaft 40 is Annular, the outside wall surface of support shaft 40 is formed as cylindrical structural, and the internal face of support shaft 40 is formed as the circle coaxial with outside wall surface Column construction, and support shaft 40 is formed as hollow tubular structure along the central axial direction extension of interior bucket 30.
Support shaft 40 is arranged to hollow tubular structure, the material of manufacture production support shaft 40 reduces, on the one hand reduces The weight of support shaft 40, so as to reduce the load in the course of work of washing machine 100, on the other hand reduces washing machine 100 Material input in production, reduces the production cost of washing machine 100, and the work of support shaft 40 is primarily subjected to moment of flexure in Load, for solid shafting, the bearing capacity of the quill shaft of identical weight is stronger, prevents because of the load excessive of washing machine 100 The damage of support shaft 40 is caused, the use time of support shaft 40 is extended.
Alternatively, outer barrel 20 is provided with support base 21, and support shaft 40 is rotatably fitted to support base 21 by bearing 22 Interior, in other words, the side of outer barrel 20 is provided with support base 21, and support base 21 is arranged on the outside of outer barrel 20, is set on support base 21 There is mounting hole (not shown), mounting hole runs through support base 21 and outer barrel 20, and support shaft 40 passes through mounting hole, and one end extend into outer barrel In 20 inner chamber, the other end is connected on the motor 10 of the side of outer barrel 20, and bearing 22, axle are provided between support shaft 40 and mounting hole The inner ring for holding 22 is set in support shaft 40, and the outer shroud of bearing 22 is arranged in mounting hole, the central axis and outer barrel of bearing 22 20 center overlapping of axles.
By setting support base 21 in outer barrel 20, and support shaft 40 is arranged in support base 21 using bearing 22, drop Low support shaft 40 drives the resistance produced with the rotation of outer barrel 20 in the rotary course of interior bucket 30, increased the rotation speed of interior bucket 30 Degree, reduces energy ezpenditure, moreover it is possible to which the outer barrel 20 for preventing the abrasion of support shaft 40 from causing is damaged, when extending the use of outer barrel 20 Between, the maintenance cost of washing machine 100 is alleviated, and the rotational stabilization of support shaft 40 and the seal of outer barrel 20 are improve, Prevent the current in outer barrel 20 from being flowed out by mounting hole, protect motor 10 not receive water erosion.
The washing machine 100 according to the utility model second aspect embodiment is specifically described with reference to multiple embodiments.
Embodiment one
As shown in Figure 1, shown in Figure 5, according to the utility model embodiment washing machine 100 is main by outer barrel 20, interior bucket 30 and root According to the motor 10 that above-described embodiment is described, outer barrel 20 is located in washing machine 100, and accommodating chamber is provided with outer barrel 20, is set in accommodating chamber There is the interior bucket 30 being movably connected in outer barrel 20, interior bucket 30 is axially extending along outer barrel 20, passes through between interior bucket 30 and outer barrel 20 Motor 10 is connected, and external stator 11 and the inner stator 12 of motor 10 are fixedly mounted in outer barrel 20, and the shape rotor 13 of motor 10 is fixed On interior bucket 30, interior bucket 30 is driven to be rotated relative to outer barrel 20 during rotor 13 rotates relative to stator.
Wherein, outer barrel 20 is fixed on the casing (not shown) of washing machine 100, and interior bucket 30 is fastenedly connected with support shaft 40, and Fixed axial location and rotational independence are kept by bearing 22 and outer barrel 20, motor 10 is main by external stator 11, inner stator 12 and rotor 13 constitute, the outermost layer of the motor 10 of external stator 11, inner stator 12 be located at motor 10 innermost layer, rotor 13 be located in Between stator 12 and external stator 11, and it is independent to be respectively separated holding with air gap.
Specifically, external stator 11 is constituted including external stator conducting magnet core 112 and around stator winding 114 thereon, default Son 12 and external stator 11 are fixed in the outer barrel 20 of washing machine 100 by stator cage 14, the theoretical segments n of motor 100=12, Actual segment number n1=1, stator winding 114 is three-phase fractional-slot winding, and coil spread is 1, is produced after passing to three-phase symmetrical electric current Raw number of pole-pairs ps=1 excitation field, inner stator conducting magnet core 122 and permanent magnet that inner stator 12 is constituted comprising high permeability material 125, actual segment number is identical with external stator 11, and inner stator 12 and external stator 11 are fixed on stator cage 14.
Inner stator 12 includes the block number n of permanent magnet 125pm0=3, permanent magnet 125 uses parallel magnetization, multiple permanent magnets 125 with The relative mode of identical polar is evenly spaced on inner stator conducting magnet core 122 on circumferencial direction, equivalent permanent magnetic field number of pole-pairs pf=1.5, the non-magnetic spacer block 132 that the conducting magnet core 131 and non-magnet_conductible material that rotor 13 is made up of high permeability material are constituted The uniform arrangement in interval is constituted, and rotor 13 is fixed in support shaft 40 by screw 23, and bucket 30 rotates in direct drive, on rotor 13 Conducting magnet core 131 block number pr=30, meet optimum condition pr=n0|ps±pf|。
Washing machine 100 according to the utility model embodiment, by setting external stator 11, inner stator 12 in motor 10, And rotor 13 is arranged between external stator 11 and inner stator 12, the compact conformation of motor 10 reduces the body of washing machine 100 Product, reduces the production cost of washing machine 100, and inner stator 12 produces a phase interaction to rotor 13 simultaneously with external stator 11 Firmly, the turning moment of rotor 13 is increased, the driving force of interior bucket 30 in the course of work of washing machine 100 is improve, so as to improve The operating efficiency of washing machine 100, increased the clean ratio of washing machine 100.
Embodiment two
As shown in Fig. 4, Fig. 6, the washing machine 100 according to the utility model embodiment is main by outer barrel 20, interior bucket 30 and root According to the motor 10 that above-described embodiment is described, outer barrel 20 is located in washing machine 100, and accommodating chamber is provided with outer barrel 20, is set in accommodating chamber There is the interior bucket 30 being movably connected in outer barrel 20, interior bucket 30 is wanted the axially extending of outer barrel 20, passed through between interior bucket 30 and outer barrel 20 Motor 10 is connected, and external stator 11 and the inner stator 12 of motor 10 are fixedly mounted in outer barrel 20, and the rotor 13 of motor 10 fixes peace On interior bucket 30, interior bucket 30 is driven to be rotated relative to outer barrel 20 during rotor 13 rotates relative to stator.
Wherein, outer barrel 20 is fixed on the casing (not shown) of washing machine 100, and interior bucket 30 is fastenedly connected with support shaft 40, and Fixed axial location and rotational independence are kept by bearing 22 and outer barrel 20, motor 10 is main by external stator 11, inner stator 12 and rotor 13 constitute, the outermost layer of the motor 10 of external stator 11, inner stator 12 be located at motor 10 innermost layer, rotor 13 be located in Between stator 12 and external stator 11, and it is independent to be respectively separated holding with air gap.
Inner stator 12 includes inner stator conducting magnet core 122 and being constituted around stator winding 124 thereon, inner stator 12 and outer Stator 11 is fixed in the outer barrel 20 of washing machine 100 by stator cage 14, the theoretical segments n of motor 100=16, actual point Hop count n1=1, stator winding 124 is three-phase fractional-slot winding, and coil spread is 1, extremely right by being produced after three-phase symmetrical electric current Number ps=1 excitation field, external stator conducting magnet core 112 and permanent magnet 115 that external stator 11 is constituted comprising high permeability material are real Border segments is identical with inner stator 12, and external stator 11 and external stator 11 are fixed on stator cage 14.
External stator 11 includes the block number n of permanent magnet 115pm0=3, permanent magnet 115 uses parallel magnetization, multiple permanent magnets 115 with The relative mode of identical polar is evenly spaced on external stator conducting magnet core 112 on circumferencial direction, equivalent permanent magnetic field number of pole-pairs pf=3, between the non-magnetic spacer block 132 that the conducting magnet core 131 and non-magnet_conductible material that rotor 13 is made up of high permeability material are constituted Constituted every uniform arrangement, rotor 13 is fixed in support shaft 40 by screw 23, bucket 30 rotates in direct drive, on rotor 13 The block number p of conducting magnet core 131r=64, meet optimum condition pr=n0|ps±pf|。
Washing machine 100 according to the utility model embodiment, by setting external stator 11, inner stator 12 in motor 10, And rotor 13 is arranged between external stator 11 and inner stator 12, the compact conformation of motor 10 reduces the body of washing machine 100 Product, reduces the production cost of washing machine 100, and inner stator 12 produces a phase interaction to rotor 13 simultaneously with external stator 11 Firmly, the turning moment of rotor 13 is increased, the driving force of interior bucket 30 in the course of work of washing machine 100 is improve, so as to improve The operating efficiency of washing machine 100, increased the clean ratio of washing machine 100.
Other compositions of washing machine 100 according to the utility model embodiment and operation are for ordinary skill people All it is known for member, is not detailed herein.
In description of the present utility model, it is to be understood that term " " center ", " longitudinal direction ", " transverse direction ", " length ", " width Degree ", " thickness ", " on ", D score, "front", "rear", "left", "right", " vertical ", " level ", " top ", " bottom " " interior ", " outward ", " suitable The orientation or position relationship of the instruction such as hour hands ", " counterclockwise " are based on orientation shown in the drawings or position relationship, merely to just Described with simplified in description the utility model, must be with specific side rather than the device or element for indicating or imply meaning Position, with specific azimuth configuration and operation, therefore it is not intended that to limitation of the present utility model.
Additionally, term " first ", " second " are only used for describing purpose, and it is not intended that indicating or implying relative importance Or the implicit quantity for indicating indicated technical characteristic.Thus, define " first ", the feature of " second " can express or Implicitly include one or more this feature.In description of the present utility model, " multiple " is meant that two or two More than, unless otherwise expressly limited specifically.
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 being fixedly connected, or being detachably connected, or be integrally connected;Can Being to mechanically connect, or electrically connect;Can be joined directly together, it is also possible to be indirectly connected to by intermediary, Ke Yishi Two connections of element internal.For the ordinary skill in the art, above-mentioned term can as the case may be understood Concrete meaning 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 not necessarily referring to identical embodiment or example.And, the specific features of description, structure, material or feature can be Combined in an appropriate manner in one or more any embodiments or example.
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 not departing from the utility model Principle and objective in the case of above-described embodiment can be changed in the range of the utility model, change, replace and Modification.

Claims (15)

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:
External stator, the external stator is arranged in said tub, and the external stator includes at least one external stator piecemeal, described outer The quantity of stator piecemeal is less than the quantity of the external stator piecemeal needed for connecting into closed-loop shaped along the circumference of the motor;
Inner stator, the inner stator is arranged in said tub, and the inner stator is described outer in being radially located at for the motor The inner side of stator and with the external stator interval setting, the inner stator includes at least one default piecemeal, the inner stator point The quantity of block is identical with the quantity of the external stator piecemeal;
Rotatable rotor, the rotor is connected with the interior bucket, and the rotor is the circumferentially extending along the motor Closed-loop shaped, the rotor is in the motor radially positioned at the inner side of the external stator and the outside of the inner stator.
2. washing machine according to claim 1, it is characterised in that the external stator piecemeal is multiple and along the motor Circumferential uniform arrangement, the default sub-piecemeal is circumferential uniform arrangement multiple and along the motor.
3. washing machine according to claim 1, it is characterised in that the external stator piecemeal and the default sub-piecemeal are along institute The circumference for stating motor is oppositely disposed one by one.
4. washing machine according to claim 1, it is characterised in that the rotor includes:
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.
5. washing machine according to claim 4, it is characterised in that the external stator piecemeal includes:
External stator conducting magnet core;
Stator winding, the stator winding is wound on the external stator conducting magnet core.
6. washing machine according to claim 5, it is characterised in that the default sub-piecemeal includes:
Inner stator conducting magnet core;
Permanent magnet, the permanent magnet is located on the inner stator conducting magnet core.
7. washing machine according to claim 6, it is characterised in that the magnetic field that each described external stator piecemeal is produced it is extremely right Number is ps, the quantity of the permanent magnet of the inner stator is npm0And the number of pole-pairs in the magnetic field of each default sub-piecemeal generation is pf =npm0/ 2, the quantity of the conducting magnet core of the rotor is prAnd meet:
pr=n0|ps±pf|, wherein, n0The quantity of the external stator piecemeal for needed for connecting into closed-loop shaped along the circumference of the motor.
8. washing machine according to claim 4, it is characterised in that the default sub-piecemeal includes:
Inner stator conducting magnet core;
Stator winding, the stator winding is wound on the inner stator conducting magnet core.
9. washing machine according to claim 8, it is characterised in that the external stator piecemeal includes:
External stator conducting magnet core;
Permanent magnet, the permanent magnet is located on the external stator conducting magnet core.
10. washing machine according to claim 9, it is characterised in that the pole in the magnetic field that each described default sub-piecemeal is produced Logarithm is ps, the quantity of the permanent magnet of the external stator is npm0And the number of pole-pairs in the magnetic field of each external stator piecemeal generation It is pf=npm0/ 2, the quantity of the conducting magnet core of the rotor is prAnd meet:
pr=n0|ps±pf|, wherein, n0The quantity of the default sub-piecemeal for needed for connecting into closed-loop shaped along the circumference of the motor.
11. washing machines according to claim 1, it is characterised in that each described external stator piecemeal has multiple stator tooths The multiple teeth groove between adjacent stators tooth are located at respectively, and the quantity of the stator tooth of each external stator piecemeal is Ns0, each The slot-pitch angle of the adjacent sheaves of the external stator piecemeal is α0And meet:
α0=2 π/Ns0/n0, wherein, n0The quantity of the external stator piecemeal for needed for connecting into closed-loop shaped along the circumference of the motor.
12. washing machine according to any one of claim 1-11, it is characterised in that the motor also includes:
Stator cage, the external stator and the inner stator are arranged on the stator cage;
Rotor casing, the rotor is arranged on the rotor casing, and the rotor is by the rotor casing driving load.
13. washing machines according to claim 1, it is characterised in that the rotor is by the support shaft through said tub It is connected with the interior bucket.
14. washing machines according to claim 13, it is characterised in that the support shaft is the hollow of annular for cross section Axle.
15. washing machines according to claim 13, it is characterised in that said tub is provided with support base, the support shaft It is rotatably fitted in the support base by bearing.
CN201621164980.XU 2016-10-31 2016-10-31 Washing machine Active CN206219838U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201621164980.XU CN206219838U (en) 2016-10-31 2016-10-31 Washing machine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201621164980.XU CN206219838U (en) 2016-10-31 2016-10-31 Washing machine

Publications (1)

Publication Number Publication Date
CN206219838U true CN206219838U (en) 2017-06-06

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201621164980.XU Active CN206219838U (en) 2016-10-31 2016-10-31 Washing machine

Country Status (1)

Country Link
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2018076486A1 (en) * 2016-10-31 2018-05-03 广东威灵电机制造有限公司 Motor

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2018076486A1 (en) * 2016-10-31 2018-05-03 广东威灵电机制造有限公司 Motor

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