CN204597743U - Three-phase variable frequency motor and washing machine - Google Patents
Three-phase variable frequency motor and washing machine Download PDFInfo
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- CN204597743U CN204597743U CN201520316545.3U CN201520316545U CN204597743U CN 204597743 U CN204597743 U CN 204597743U CN 201520316545 U CN201520316545 U CN 201520316545U CN 204597743 U CN204597743 U CN 204597743U
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Abstract
The utility model is applicable to machine field, disclose three-phase variable frequency motor and washing machine, wherein, the rotor assembly that three-phase variable frequency motor comprises stator module and coordinates with stator module, stator module comprises stator core and is located at the stator winding on stator core, rotor assembly comprises rotor core, stator core has several stator tooths, and all form a stator slot between arbitrary neighborhood two stator tooth, rotor core has several rotor tooths, all form a rotor between arbitrary neighborhood two rotor tooth, the groove number of stator slot is 36, and the groove number of rotor is 48; And rotor is the skewed slot be obliquely installed along the axis of rotor core.The utility model, by optimizing the structure of three-phase variable frequency motor, the illeffects that the high order harmonic component that effectively inhibit variable frequency drives to produce causes three-phase variable frequency motor noise, vibration and output characteristic, successfully solves the technical problem that existing washing machine motor cannot meet efficiently, low noise properties requires.
Description
Technical field
The utility model belongs to machine field, particularly relates to a kind of three-phase variable frequency motor of use in washing machine and has its washing machine.
Background technology
Washing machine is as a kind of conventional household electrical appliance, and the life being widely used in people has at present suffered.Current washing machine function is all more powerful, as: user in use can select corresponding washing procedure according to load type, and current washing machine all there is water saving power saving mostly, clean than high, can support to regulate arbitrarily from 400 ~ 1600rpm multistage to little, the laundry machine dehydration rotating speed of clothing damage, the feature such as water content is little after clothes dewatering, drying time is short.But along with improving constantly of people's living standard, people, when selecting washing machine, except paying close attention to the functional characteristic of washing machine, also can pay close attention to vibration and the noise performance of washing machine.And the vibration of washing machine and noise performance are also usually be not designed the part that person ignores in the development of current washing machine, thus make existing washing machine cannot meet the pursuit of people to high-quality living standard.
Motor is the vitals affecting vibration of washing machine and noise.Use in washing machine three-phase variable frequency motor is a kind of special three-phase asynchronous motor of Novel variable-frequency transformation, due to the designing requirement that demand fulfillment is adjustable arbitrarily under various rotating speed, so, special variable frequency drives need be used to drive three-phase variable frequency motor.But all comprise more harmonic components in the voltage and current of variable frequency drives output, and the excursion of frequency and voltage is wider at work, if (namely the stator slot quantity of stator core is more close with the rotor number ratio of rotor core still to adopt the design of the few slot fit of the nearly groove of ordinary three-phase synchronous rotor, and all fewer), then cannot obtain smooth-going torque factor and efficient motor performance, also serious electric and magnetic oscillation and noise can be produced in the running of motor, thus it is efficient to meet washing machine motor, the designing requirement of low noise, have a strong impact on the raising of washing machine combination property.
Utility model content
The purpose of this utility model is to overcome above-mentioned the deficiencies in the prior art, provides three-phase variable frequency motor and washing machine, which solves the technical problem that existing washing machine motor cannot meet efficiently, low noise properties requires.
For achieving the above object, the technical solution adopted in the utility model is: three-phase variable frequency motor, the rotor assembly comprising stator module and coordinate with described stator module, described stator module comprises stator core and is located at the stator winding on described stator core, described rotor assembly comprises rotor core, described stator core has several stator tooths, and all form a stator slot between stator tooth described in arbitrary neighborhood two, described rotor core has several rotor tooths, a rotor is all formed between rotor tooth described in arbitrary neighborhood two, the groove number of described stator slot is 36, the groove number of described rotor is 48, and described rotor is the skewed slot be obliquely installed along the axis of described rotor core.
Particularly, define the skew slot angle s=bs/t of described rotor, then the skew slot angle s of described rotor is 1.05 ~ 1.30, and wherein, bs is the slant range of axial two ends along described rotor core cylindrical circumferencial direction of described rotor, and t is the tooth pitch of described stator tooth.
Preferably, the skew slot angle s of described rotor is 1.15.
Preferably, described stator winding is three-phase symmetric winding, and the number of poles of described stator winding is four poles.
Preferably, described rotor core wears the inner side being installed on described stator core.
Preferably, the facewidth of each described stator tooth is all equal, and the facewidth of each described rotor tooth is all equal.
Preferably, the facewidth of described rotor tooth is 2.4 ± 0.2mm, and the facewidth of described stator tooth is 3.4 ± 0.2mm.
Preferably, described rotor core is overrided to form by several rotor punchings.
Preferably, described stator core is overrided to form by several stator punchings.
The three-phase variable frequency motor that the utility model provides, by increasing the quantity of stator slot and rotor, by the quantity that the quantitative design of rotor is far more than stator slot, and verify the mix-design of stator slot and rotor to be optimum value 36/48 especially by simulation optimization design and model machine, simultaneously, also by rotor being designed to the skewed slot be obliquely installed along the axis of rotor core, like this, the object effectively optimizing three-phase variable frequency motor structure can be reached, and the high order harmonic component that inhibit variable frequency drives to produce is to three-phase variable frequency motor noise, the illeffects that vibration and output characteristic cause, reduce electromagnetic noise and electric and magnetic oscillation that three-phase variable frequency motor produces in running, avoid three-phase variable frequency motor and run the phenomenon producing the electromagnetic noise of the easy perception of people's ear in engineering, and ensure that three-phase variable frequency motor Driving Torque under low cruise operating mode is smooth-going, the characteristic of maximum running speed is obtained under high-speed working condition, improve the overall performance of three-phase variable frequency motor, meet three-phase variable frequency motor well efficient, the designing requirement of low noise.
Further, the utility model additionally provides washing machine, and it has above-mentioned three-phase variable frequency motor.
The washing machine that the utility model provides, owing to have employed above-mentioned three-phase variable frequency motor, so, effectively prevent washing machine and run the electromagnetic noise producing the easy perception of people's ear in engineering, and ensure that three-phase variable frequency motor obtains the characteristic of maximum dehydrating speed under low speed washing operating mode under smooth-going, the high speed dewatering operating mode of Driving Torque, thus can under the prerequisite ensureing the powerful washing function characteristic of washing machine, meet the demand of people to low noise, small vibration washing machine, cater to the pursuit of people to high-quality living standard.
Accompanying drawing explanation
Fig. 1 is the main TV structure sketch of the rotor core that the utility model embodiment provides;
Fig. 2 is that schematic diagram figure is looked on a left side for the rotor core that the utility model embodiment provides;
Fig. 3 is that schematic diagram figure is looked on a left side for the stator core that the utility model embodiment provides;
Fig. 4 is the decomposing schematic representation of the three-phase variable frequency motor that provides of the utility model embodiment and controller;
Fig. 5 is the integrated assembling schematic diagram of the three-phase variable frequency motor that provides of the utility model embodiment and controller.
Embodiment
In order to make the purpose of this utility model, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the utility model, and be not used in restriction the utility model.
It should be noted that, when element is called as on " being fixed on " or " being arranged at " another element, it can directly on another element or may there is centering elements simultaneously.When an element is known as " connection " another element, it can be directly connect another element or may there is centering elements simultaneously.
Also it should be noted that, the orientation term such as left and right, upper and lower, the top in following examples, end, is only relative concept or be reference with the normal operating condition of product each other, and should not be regarded as have restrictive.
As shown in Fig. 1 ~ 5, the three-phase variable frequency motor 1 that the utility model embodiment provides, the rotor assembly 12 comprising stator module 11 and coordinate with stator module 11, the stator winding 112 that stator module 11 comprises stator core 111 and is located on stator core 111, stator winding 112 specifically can be coil windings, the rotor windings 122 that rotor assembly 12 comprises rotor core 121 and is located on rotor core 121, rotor windings 122 specifically can be coil windings or permanent magnet winding or mouse cage cast aluminium winding, stator core 111 comprises stator yoke 1113 and several intervals and is located at stator tooth 1111 in stator yoke 1113, and all form a stator slot 1112 between arbitrary neighborhood two stator tooth 1111, rotor core 121 comprises rotor yoke 1213 and several intervals and is located at rotor tooth 1211 on rotor yoke 1213, a rotor 1212 is all formed between arbitrary neighborhood two rotor tooth 1211, the groove number of stator slot 1112 is 36, the groove number of rotor 1212 is 48, and rotor 1212 is the skewed slot be obliquely installed along the axis of rotor core 121, namely the axial opposite side of rotor 1212 from the axial side of rotor core 121 to rotor core 121 tilts to extend.The three-phase variable frequency motor 1 that the utility model embodiment provides, by increasing the quantity of stator slot 1112 and rotor 1212, by the quantity that the quantitative design of rotor 1212 is far more than stator slot 1112, and verify that by stator slot 1112 and the mix-design of rotor 1212 be optimum value 36/48 especially by simulation optimization design and model machine, simultaneously, also by rotor 1212 being designed to the skewed slot be obliquely installed along the axis of rotor core 121, like this, the object effectively optimizing three-phase variable frequency motor 1 structure can be reached, the high order harmonic component that inhibit variable frequency drives to produce is to three-phase variable frequency motor 1 noise, the illeffects that vibration and output characteristic cause, reduce electromagnetic noise and electric and magnetic oscillation that three-phase variable frequency motor 1 produces in running, avoid three-phase variable frequency motor 1 and run the phenomenon producing the electromagnetic noise of the easy perception of people's ear in engineering, and ensure that three-phase variable frequency motor 1 Driving Torque under low cruise operating mode is smooth-going, the characteristic of maximum running speed is obtained under high-speed working condition, improve the overall performance of three-phase variable frequency motor 1, meet three-phase variable frequency motor 1 well efficient, the designing requirement of low noise.
Particularly, the skew slot angle s=bs/t of definition rotor, then the skew slot angle s of rotor is 1.05 ~ 1.30, wherein, bs is the slant range (namely the position that be positioned at rotor core 121 axial two ends of rotor 1212 at rotor core 121 projector distance circumferentially) of axial two ends along rotor core 121 cylindrical circumferencial direction of rotor 1212, and t is the tooth pitch t (distances namely between adjacent two stator tooth 1111 same area) of stator tooth 1111.Through simulation optimization design and model machine checking, when the skew slot angle s of rotor is designed between 1.05 ~ 1.30, the illeffects that the high order harmonic component that variable frequency drives can be made to produce causes three-phase variable frequency motor 1 noise, vibration and output characteristic is smaller, reduction three-phase variable frequency motor 1 electromagnetic noise that it obtains and the effectiveness comparison of electric and magnetic oscillation good.
More preferably, the skew slot angle s of rotor is 1.15, through simulation optimization design and model machine checking, when the skew slot angle s of rotor is designed 1.15 time, the high order harmonic component that variable frequency drives can be made to produce minimizes the illeffects that three-phase variable frequency motor 1 noise, vibration and output characteristic cause, reduction three-phase variable frequency motor 1 electromagnetic noise that it obtains and the effect of electric and magnetic oscillation the most remarkable.
Preferably, stator winding 112 is three-phase symmetric winding, and the number of poles of stator winding 112 is four poles, like this, both can be beneficial to the coiling of stator winding 112, can be beneficial to again the electromagnetic property ensureing stator winding 112.
Preferably, as shown in figs. 2 to 4, rotor core 121 wears the inner side being installed on stator core 111, namely the three-phase variable frequency motor 1 that the present embodiment provides is preferably inner rotor motor, like this, the efficient performance of the raising three-phase variable frequency motor 1 that it obtains and to reduce the effectiveness comparison of three-phase variable frequency motor 1 low noise properties remarkable, can meet that use in washing machine three-phase variable frequency motor 1 is efficient, the designing requirement of low noise.The center position of rotor core 121 runs through the axis hole 1214 being provided with and wearing installation for rotating shaft 15, axis hole 1214 specifically runs through to be located on rotor yoke 1213, the center position of stator core 111 runs through the endoporus 1114 being provided with and wearing for rotor assembly 12, and endoporus 1114 is specifically enclosed by stator tooth 1111 and formed.
Preferably, the facewidth tk2 of each stator tooth 1111 is equal, tooth pitch t between each adjacent two stator tooths 1111 is equal, and the facewidth tk1 of each rotor tooth 1211 is equal, tooth pitch between each adjacent two rotor tooths 1211 is all equal, like this, the symmetry ensureing stator core 111 and rotor core 121 structure can be beneficial to, and the manufacture of stator core 111 and rotor core 121 can be beneficial to.
Preferably, the facewidth tk1 of rotor tooth 1211 is 2.4 ± 0.2mm, and the facewidth tk2 of stator tooth 1111 is 3.4 ± 0.2mm, and like this, the effectiveness comparison of the efficient performance of the raising three-phase variable frequency motor 1 that it obtains and reduction three-phase variable frequency motor 1 low noise properties is remarkable.Stator tooth 1111 specifically comprises the first tooth root 11111 and the first tooth boots 11112, first tooth root 11111 between stator yoke 1113 and the first tooth boots 11112, and the facewidth tk2 of stator tooth 1111 specifically refers to the projection width of the first tooth root 11111 at circumferencial direction.Rotor tooth 1211 specifically comprises the second tooth root 12111 and the second tooth boots 12112, second tooth root 12111 between rotor yoke 1213 and the second tooth boots 12112, and the facewidth tk1 of rotor tooth 1211 specifically refers to the projection width of the second tooth root 12111 at circumferencial direction.
Preferably, stator tooth 1111 and rotor tooth 1211 are all parallel teeth.Particularly, each first tooth root 11111 has two the first circumferential side wall circumferentially oppositely arranged, and on each stator tooth 1111, two first circumferential side wall of the first tooth root 11111 are parallel to each other; Each second tooth root 12111 has two the second circumferential side wall circumferentially oppositely arranged, and on each rotor tooth 1211, two first circumferential side wall of the second tooth root 12111 are parallel to each other.Stator tooth 1111 and rotor tooth 1211 are all set to parallel teeth, and its structure is simple, be easy to manufacture.
Preferably, rotor core 121 is overrided to form by the axis of several rotor punchings along rotor core 121, links be connected together between each rotor punching by riveting.Rotor core 121 adopts rotor punching to be overrided to form, like this, the gap tilt effect of rotor 1212 is laminated by rotor punching and is formed, and it is for integrated rotor core 121, its mfg. moulding die wants simple a lot, and is beneficial to the Forming Quality ensureing rotor core 121.And due to rotor punching can be shaping by stamping machine integrated punching, therefore, its manufacture process is very simple, manufacture that efficiency is high, low cost of manufacture and be suitable for producing in enormous quantities and manufacture, thus simplifies the manufacture process of rotor core 121, improves the manufacturing efficiency of rotor core 121.Rotor punching specifically can be formed by punching silicon-steel, like this, has both been beneficial to the magnetic property ensureing rotor core 121, and has been beneficial to again the processing cost reducing rotor core 121.
Preferably, stator core 111 is overrided to form by the axis of several stator punchings along stator core 111, links be connected together between each stator punching by riveting.And due to stator punching can be shaping by stamping machine integrated punching, therefore, its manufacture process is very simple, manufacture that efficiency is high, low cost of manufacture and be suitable for producing in enormous quantities and manufacture, thus simplifies the manufacture process of stator core 111, improves the manufacturing efficiency of stator core 111.Stator punching specifically can be formed by punching silicon-steel, like this, has both been beneficial to the magnetic property ensureing stator core 111, and has been beneficial to again the processing cost reducing stator core 111.
Particularly, as shown in Figure 4 and Figure 5, the three-phase variable frequency motor 1 that the utility model embodiment provides also comprises front end housing 13, rear end cap 14, rotating shaft 15, fore bearing 16 and rear bearing 17, front end housing 13 and rear end cap 14 lay respectively at the axial both sides of stator module 11, rotor assembly 12 is fastening to be installed in rotating shaft 15 and to wear the inner side being installed on stator module 11, and the two ends of rotating shaft 15 are supported on front end housing 13 and rear end cap 14 respectively by fore bearing 16 and rear bearing 17.
Further, the utility model embodiment still provides washing machine, and it has above-mentioned three-phase variable frequency motor 1.The washing machine that the utility model embodiment provides, owing to have employed above-mentioned three-phase variable frequency motor 1, so, effectively prevent washing machine and run the electromagnetic noise producing the easy perception of people's ear in engineering, and ensure that three-phase variable frequency motor 1 obtains the characteristic of maximum dehydrating speed under low speed washing operating mode under smooth-going, the high speed dewatering operating mode of Driving Torque, thus can under the prerequisite ensureing the powerful washing function characteristic of washing machine, meet the demand of people to low noise, small vibration washing machine, cater to the pursuit of people to high-quality living standard.
Further, as shown in Figure 4 and Figure 5, washing machine also comprises the controller 2 run for controlling three-phase variable frequency motor 1, and controller 2 and three-phase variable frequency motor 1 integrated form design, namely controller 2 and three-phase variable frequency motor 1 assemble formation die set, like this, make controller 2 and three-phase variable frequency motor 1 can be used as a black box and carry out stock and installation, thus be beneficial to the size that takes up room reducing controller 2 and install in washing machine with three-phase variable frequency motor 1, and be beneficial to and realize controller 2 and the fast assembling-disassembling of three-phase variable frequency motor 1 in washing machine.
Particularly, as shown in Figure 4 and Figure 5, controller 2 is installed on the rear end cap 14 of three-phase variable frequency motor 1.Rear end cap 14 comprises end cap body 141 and is convexly equipped in the installation foot 142 of end cap body 141 periphery, and controller 2 is installed on the side back to stator module 11 of end cap body 141.Installation foot 142 has the section 1421 towards controller 2, the setting in section 1421, the interference that generation installed by installation foot 142 pairs of controllers 2 on rear end cap 14 can be reduced, the circuit board 21 of controller 2 is made not need corner cut to dodge installation foot 142, thus the adoptable circuit board 21 of controller 2 is maximized, fully ensure that the cabling requirement of the circuit board 21 of controller 2.
Particularly, be provided with erection column (not shown) in washing machine, three-phase variable frequency motor 1 is fastenedly connected erection column by installation foot 142.As shown in Figure 4 and Figure 5, installation foot 142 is provided with and inserts the jack 1422 connected and the open slot 1423 running through setting along section 1421 towards jack 1422 for erection column (not shown).The setting of jack 1422, is mainly used in carrying out being connected to realize the installation of three-phase variable frequency motor 1 on washing machine with erection column on washing machine and fixes.The setting of open slot 1423, jack 1422 can be made to have certain expansivity, namely installation foot 142 has good deformation behavior at open slot 1423 place, like this, although section 1421 be arranged so that the interior exterior feature of jack 1422 is less than the gabarit of erection column, but the expansivity of jack 1422, makes erection column still can insert easily in jack 1422; And when erection column card inserts in after in jack 1422, the elastic-restoring force of installation foot 142 makes the inwall of jack 1422 can fit tightly on the outer wall of erection column, thus ensure that the solid and reliable property that installation foot 142 is connected with erection column.The present embodiment, by the setting of open slot 1423, after can making three-phase variable frequency motor 1 and controller 2 Integrated design, its installation dimension on washing machine can not change, namely the size of erection column does not change, the relative position of erection column when having multiple between each erection column also do not change, and improves the versatility of rear end cap 14.
Preferably, the gabarit of installation foot 142 is enclosed by C shape cambered surface and section 1421 and is formed, and namely installation foot 142 is the equal of adopt section 1421 to excise remaining part by a cylinder.Particularly, erection column is column, and jack 1422 is cylindrical hole, and like this, the gabarit of installation foot 142 is enclosed by C shape cambered surface and section 1421 and formed, and can be beneficial to the uniformity ensureing installation foot 14212 wall thickness, and its structure simple, be easy to manufacture.
Particularly, as shown in Figure 4 and Figure 5, controller 2 comprises circuit board 21 and protective cover 22, and circuit board 21 along end cap body 141 axially between end cap body 141 and protective cover 22.Protective cover 22 preferably adopts waterproof material to make, it can prevent directly exposing of circuit board 21, like this, ensure that the electrical safety that controller 2 uses on the one hand, can prevent the impurity such as dust, moisture from attacking on the electronic devices and components of circuit board 21 on the other hand, effectively achieve the protection to circuit board 21, ensure that the useful life of controller 2.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all do within spirit of the present utility model and principle any amendment, equivalent to replace or improvement etc., all should be included within protection range of the present utility model.
Claims (10)
1. three-phase variable frequency motor, the rotor assembly comprising stator module and coordinate with described stator module, described stator module comprises stator core and is located at the stator winding on described stator core, described rotor assembly comprises rotor core, described stator core has several stator tooths, and all form a stator slot between stator tooth described in arbitrary neighborhood two, described rotor core has several rotor tooths, a rotor is all formed between rotor tooth described in arbitrary neighborhood two, it is characterized in that: the groove number of described stator slot is 36, the groove number of described rotor is 48; And described rotor is the skewed slot be obliquely installed along the axis of described rotor core.
2. three-phase variable frequency motor as claimed in claim 1, it is characterized in that: the skew slot angle s=bs/t defining described rotor, then the skew slot angle s of described rotor is 1.05 ~ 1.30, wherein, bs is the slant range of axial two ends along described rotor core cylindrical circumferencial direction of described rotor, and t is the tooth pitch of described stator tooth.
3. three-phase variable frequency motor as claimed in claim 2, is characterized in that: the skew slot angle s of described rotor is 1.15.
4. the three-phase variable frequency motor as described in any one of claims 1 to 3, is characterized in that: described stator winding is three-phase symmetric winding, and the number of poles of described stator winding is four poles.
5. the three-phase variable frequency motor as described in any one of claims 1 to 3, is characterized in that: described rotor core wears the inner side being installed on described stator core.
6. the three-phase variable frequency motor as described in any one of claims 1 to 3, is characterized in that: the facewidth of each described stator tooth is all equal, and the facewidth of each described rotor tooth is all equal.
7. three-phase variable frequency motor as claimed in claim 6, it is characterized in that: the facewidth of described rotor tooth is 2.4 ± 0.2mm, the facewidth of described stator tooth is 3.4 ± 0.2mm.
8. the three-phase variable frequency motor as described in any one of claims 1 to 3, is characterized in that: described rotor core is overrided to form by several rotor punchings.
9. the three-phase variable frequency motor as described in any one of claims 1 to 3, is characterized in that: described stator core is overrided to form by several stator punchings.
10. washing machine, is characterized in that: have the three-phase variable frequency motor as described in any one of claim 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520316545.3U CN204597743U (en) | 2015-05-15 | 2015-05-15 | Three-phase variable frequency motor and washing machine |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520316545.3U CN204597743U (en) | 2015-05-15 | 2015-05-15 | Three-phase variable frequency motor and washing machine |
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| CN204597743U true CN204597743U (en) | 2015-08-26 |
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| CN201520316545.3U Active CN204597743U (en) | 2015-05-15 | 2015-05-15 | Three-phase variable frequency motor and washing machine |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016183706A1 (en) * | 2015-05-15 | 2016-11-24 | 佛山市威灵洗涤电机制造有限公司 | Three-phase variable frequency electric motor and washing machine |
| CN106253509A (en) * | 2016-07-29 | 2016-12-21 | 佛山市威灵洗涤电机制造有限公司 | Stator core, field frame assembly and motor |
| CN106300853A (en) * | 2016-08-12 | 2017-01-04 | 合肥国轩高科动力能源有限公司 | Permanent magnet synchronous motor stator for electric automobile |
| CN108365720A (en) * | 2018-05-04 | 2018-08-03 | 佛山市南海区绿智电机设备有限公司 | Rotor for motor |
| CN112350486A (en) * | 2019-08-07 | 2021-02-09 | 尼得科电机（青岛）有限公司 | Protective cover of motor controller and motor |
-
2015
- 2015-05-15 CN CN201520316545.3U patent/CN204597743U/en active Active
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016183706A1 (en) * | 2015-05-15 | 2016-11-24 | 佛山市威灵洗涤电机制造有限公司 | Three-phase variable frequency electric motor and washing machine |
| CN106253509A (en) * | 2016-07-29 | 2016-12-21 | 佛山市威灵洗涤电机制造有限公司 | Stator core, field frame assembly and motor |
| CN106300853A (en) * | 2016-08-12 | 2017-01-04 | 合肥国轩高科动力能源有限公司 | Permanent magnet synchronous motor stator for electric automobile |
| CN106300853B (en) * | 2016-08-12 | 2019-06-21 | 合肥国轩高科动力能源有限公司 | Permanent magnet synchronous motor stator for electric automobile |
| CN108365720A (en) * | 2018-05-04 | 2018-08-03 | 佛山市南海区绿智电机设备有限公司 | Rotor for motor |
| CN112350486A (en) * | 2019-08-07 | 2021-02-09 | 尼得科电机（青岛）有限公司 | Protective cover of motor controller and motor |
| CN112350486B (en) * | 2019-08-07 | 2022-11-15 | 尼得科电机（青岛）有限公司 | Protective cover of motor controller and motor |
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