CN104882979A - Washing machine - Google Patents
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- CN104882979A CN104882979A CN201510376933.5A CN201510376933A CN104882979A CN 104882979 A CN104882979 A CN 104882979A CN 201510376933 A CN201510376933 A CN 201510376933A CN 104882979 A CN104882979 A CN 104882979A
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Abstract
The invention discloses a washing machine which comprises an inner tub and a 6-pole motor. The 6-pole motor comprises a stator and a rotor module, wherein a stator groove is formed in the stator and comprises first stator grooves and second stator grooves which are formed in the peripheral direction at an interval, the cross section area of each second stator groove is larger than that of each first stator groove, and the rotor module is connected with the inner tub. According to the washing machine, the 6-pole motor is adopted and can perform direct drive to output a dehydration state when the washing machine is needed to perform dehydration, speed reduction is not needed, a primary speed reduction structure of a traditional belt can be omitted, the washing machine can be simple and more compact in structure, and meanwhile the production cost can be reduced.
Description
Technical field
The present invention relates to household electrical appliance technical field, especially relate to a kind of washing machine.
Background technology
In correlation technique, the synchronous speed of the motor that rotary drum washing machine adopts is 1500rpm, usually needs just can reach dewatering state through about belt primary speed-down to 700 ~ 800rpm scope; When being switched to washing state, it is on the basis of primary speed-down, also needs again by just washing about gear double reduction to 210 ~ 260rpm scope.In above process, because motor needs through two-stage gear, thus cause rotary drum washing machine complex structure, efficiency also decreases.In addition, belt primary speed-down system needs to increase belt and belt pulley, and the cost of rotary drum washing machine is increased.
Summary of the invention
The present invention is intended at least to solve one of technical problem existed in prior art.For this reason, one object of the present invention is to propose a kind of washing machine, and this washing machine structure simply and compacter, can reduce production cost simultaneously.
According to the washing machine of the embodiment of the present invention, comprise: comprise interior bucket and 6 pole motors, described 6 pole motors comprise stators and rotators assembly, wherein said stator is formed with stator slot, described stator slot comprises spaced first stator slot of circumference and the second stator slot, the cross-sectional area of described second stator slot is greater than the cross-sectional area of described first stator slot, and described rotor assembly is connected with described interior bucket.
According to the washing machine of the embodiment of the present invention, by adopting 6 pole motors, when washing machine needs dehydration, 6 pole motors can export dewatering state by Direct driver, no longer need to slow down, conventional washer belt primary speed-down structure can be saved, make washing machine structure simply and compacter, can production cost be reduced simultaneously.
According to some embodiments of the present invention, the cross-sectional area of described second stator slot is α with the ratio of the cross-sectional area of described first stator slot, and wherein, described α meets: 1.05:1≤α≤1.45:1.
According to some embodiments of the present invention, in the circumference of described stator, between adjacent two described second stator slots, be provided with two described first stator slots.
Alternatively, the groove number of described stator slot is at least 36.
Further, the groove number of described stator slot is 36, the angle of center respectively and between the line at the center of described stator of adjacent two described second stator slots is 30 °, the angle of center respectively and between the line at the center of described stator of described two the first stator slots between adjacent two described second stator slots is θ, wherein, described θ meets: 8 °≤θ≤10 °.
According to some embodiments of the present invention, the number of pole-pairs of described 6 pole motors is p, and the number of phases of described 6 pole motors is m, and wherein, described Z, p, m meet: Z/2pm >=3.
According to some embodiments of the present invention, described 6 pole motors are stator plastic packaging motor.
According to some embodiments of the present invention, described 6 pole motors are single phase induction motor.
According to some embodiments of the present invention, described rotor assembly is located at the outside of described stator rotationally.
Additional aspect of the present invention and advantage will part provide in the following description, and part will become obvious from the following description, or be recognized by practice of the present invention.
Accompanying drawing explanation
Above-mentioned and/or additional aspect of the present invention and advantage will become obvious and easy understand from accompanying drawing below combining to the description of embodiment, wherein:
Fig. 1 is the structural representation of the stator core of washing machine according to the embodiment of the present invention;
Fig. 2 is the structural representation of the stator of washing machine according to an embodiment of the invention;
Fig. 3 is the structural representation of the stator of washing machine in accordance with another embodiment of the present invention;
Fig. 4 is the structural representation of the stator of washing machine according to another embodiment of the present invention.
Reference numeral:
100: stator;
1: stator core, 11: stator slot, 111: the first stator slots, 112: the second stator slots, 113: stator tooth,
12: body, 13: location hole;
2: stator winding.
Embodiment
Be described below in detail embodiments of the invention, the example of described embodiment is shown in the drawings, and wherein same or similar label represents same or similar element or has element that is identical or similar functions from start to finish.Being exemplary below by the embodiment be described with reference to the drawings, only for explaining the present invention, and can not limitation of the present invention being interpreted as.
In describing the invention, it will be appreciated that, term " " center ", " longitudinal direction ", " transverse direction ", " length ", " width ", " thickness ", " on ", D score, " front ", " afterwards ", " left side ", " right side ", " vertically ", " level ", " top ", " end ", " interior ", " outward ", " clockwise ", " counterclockwise ", " axis ", " radial direction ", orientation or the position relationship of the instruction such as " circumference " are based on orientation shown in the drawings or position relationship, only the present invention for convenience of description and simplified characterization, instead of indicate or imply that the device of indication or element must have specific orientation, with specific azimuth configuration and operation, therefore limitation of the present invention can not be interpreted as.In addition, term " first ", " second " only for describing object, and can not be interpreted as instruction or hint relative importance or imply the quantity indicating indicated technical characteristic.Thus, be limited with " first ", the feature of " second " can express or impliedly comprise one or more these features.In describing the invention, except as otherwise noted, the implication of " multiple " is two or more.
In describing the invention, it should be noted that, unless otherwise clearly defined and limited, term " installation ", " being connected ", " connection " should be interpreted broadly, and such as, can be fixedly connected with, also can be removably connect, or connect integratedly; Can be mechanical connection, also can be electrical connection; Can be directly be connected, also indirectly can be connected by intermediary, can be the connection of two element internals.For the ordinary skill in the art, concrete condition above-mentioned term concrete meaning in the present invention can be understood.
In the present invention, unless otherwise clearly defined and limited, fisrt feature second feature it " on " or D score can comprise the first and second features and directly contact, also can comprise the first and second features and not be directly contact but by the other characterisation contact between them.And, fisrt feature second feature " on ", " top " and " above " comprise fisrt feature directly over second feature and oblique upper, or only represent that fisrt feature level height is higher than second feature.Fisrt feature second feature " under ", " below " and " below " comprise fisrt feature directly over second feature and oblique upper, or only represent that fisrt feature level height is less than second feature.
Below with reference to Fig. 1-Fig. 4, the washing machine (scheming not shown) according to the embodiment of the present invention is described.Wherein, this washing machine can be rotary drum washing machine, but is not limited thereto.
Interior bucket (scheming not shown) and 6 pole motors can be comprised according to the washing machine of the embodiment of the present invention.
6 pole motors comprise stator 100 and rotor assembly (scheming not shown), and rotor assembly is connected with interior bucket.Stator 100 can directly be fixed in washing machine, to reduce the production cost of washing machine.The synchronous speed of 6 pole motors is 1000rpm, and when 6 pole machine operation, stator 100 produces rotating magnetic field, and rotating magnetic field acts on rotor assembly generation rotation torque and rotates to impel rotor assembly, and rotor assembly is connected with interior bucket thus interior bucket can be driven to rotate.
Wherein stator 100 is formed with stator slot 11, stator slot 11 comprises spaced first stator slot 111 and the second stator slot 112 of circumference, the cross-sectional area of the second stator slot 112 is greater than the cross-sectional area of the first stator slot 111, as shown in Figure 1, first stator slot 111 and the second stator slot 112 are multiple, and multiple first stator slot 111 and multiple second stator slot 112 evenly can be arranged along the circumference of stator 100.
As Figure 1-4, stator 100 can comprise stator core 1 and stator winding 2, specifically, stator core 1 comprises body 12 and stator tooth 113, stator tooth 113 is located at the edge at body 12, and spaced apart along the circumference of body 12, limit a stator slot 11 between two adjacent stator tooths 113.Wherein, stator slot 11 comprises the first stator slot 111 and the second stator slot 112.The center of body 12 has location hole 13, and stator 100 can be fixed on washing machine by location hole 13.Stator winding 2 can comprise principal phase winding and parafacies winding.
In examples more of the present invention, as Figure 3-Figure 4, stator 100 can adopt the coiling of yoke portion, and now stator winding 2 can be wrapped on body 12 through stator slot 11 and location hole 13.Particularly, first stator slot 111 and the second stator slot 112 all can only place same phase winding, and such as, the first stator slot 111 can place principal phase winding, second stator slot 112 can place parafacies winding, or principal phase winding placed by the second stator slot 112, parafacies winding placed by the first stator slot 111, like this, principal phase winding and parafacies winding can be provided separately, thus be convenient to coiling and winding displacement, can winding turns be reduced long simultaneously, reduce winding consumption.Be understandable that, principal phase winding also can be placed in different stator slots 11, parafacies winding also can be placed in different stator slots 11, such as, is provided with principal phase winding in the part in multiple first stator slot 111, and in other, be provided with parafacies winding, similarly, in multiple second stator slot 112 part in be provided with principal phase winding, and in other, be provided with parafacies winding, when carrying out coiling, corresponding adjustment can be done as required.
In other examples of the present invention, as shown in Figure 2, stator 100 can adopt teeth portion coiling, and now stator winding 2 can be wrapped on stator tooth 113 through stator slot 11.Particularly, first stator slot 111 and the second stator slot 112 can place out of phase winding, such as, principal phase winding can be wrapped on one or more stator tooth 113 through two the first stator slots 111, parafacies winding can be wrapped on one or more stator tooth 113 through two the second stator slots 112, or parafacies winding can be wrapped on one or more stator tooth 113 through two the first stator slots 111, principal phase winding can be wrapped on one or more stator tooth 113 through two the second stator slots 112.Thus, principal phase winding and parafacies winding can be provided separately, thus are convenient to coiling and winding displacement.Be understandable that, stator winding 2 can be wrapped at least one stator tooth 113 through different stator slots 11, such as, stator winding 2 can through the first adjacent stator slot 111 and the second stator slot 112, be wound around on a stator tooth 113 between the first stator slot 111 and the second stator slot 112, or, stator winding 2 can be wrapped on multiple stator tooth 113 through non-conterminous stator slot 11, wherein, stator winding 2 also can be able to be different stator slots 11 through identical stator slot 11, now can do corresponding adjustment as required.
Wherein, when adopting the coiling of yoke portion, stator core 1 can be divided into multiple part, and in example as shown in Figure 3, stator core 1 can be divided into two parts, after completing coiling to two parts stator core 1, two parts can be closed up together.But be not limited thereto, stator core 1 also can be divided into three parts, four parts or more parts, after multiple part all completes coiling, multiple part can be close together and form overall stator core 1, thus, be not only conducive to the coiling of yoke portion, and stator core 1 stock utilization can be promoted.
According to the washing machine of the embodiment of the present invention, by adopting 6 pole motors, when washing machine needs dehydration, 6 pole motors can export dewatering state by Direct driver, no longer need to slow down, eliminate traditional belt primary speed-down structure, thus make the structure of washing machine simply and compacter.
Wherein, washing machine can also comprise clutch and slowing-down structure, 6 pole motors are connected with interior bucket with slowing-down structure by arrangement of clutch, like this, when washing machine needs the clothing etc. in internal bucket to wash, washing state can be switched to by clutch, and about reducing gear decelerates to 210 ~ 260rpm scope, rotate to drive interior bucket.And when washing machine dewaters, 6 pole motors can export as dewatering state by Direct driver.Alternatively, reducing gear can be gear reduction.
In some embodiments of the invention, the cross-sectional area of the second stator slot 112 is α with the ratio of the cross-sectional area of the first stator slot 111, and wherein, α meets: 1.05:1≤α≤1.45:1.That is, the cross-sectional area of the second stator slot 112 can be 1.05 ~ 1.45 times of the first stator slot 111.
In example as shown in Figure 1, in the circumference of stator 100, between adjacent two the second stator slots 112, be provided with two the first stator slots 111.That is, the groove number of the first stator slot 111 is twices of the groove number of the second stator slot 112.But be not limited thereto, the slot-number ratio example of the first stator slot 111 and the second stator slot 112 can be adjusted accordingly as required.Alternatively, the groove number of stator slot 11 at least can be 36.That is, the first stator slot 111 is at least 24, and the second stator slot 112 is at least 12.
In concrete example as shown in Figure 1, the groove number of stator slot 11 can be 36, and to be wherein 12,12 stator slots 11 evenly arranged along the circumference of stator 100 the groove number of the second stator slot 112.The groove number of the first stator slot 111 is 24, the angle of center respectively and between the line at the center of stator 100 of adjacent two the second stator slots 112 can be 30 °, the angle of center respectively and between the line at the center of stator 100 of two the first stator slots 111 between adjacent two the second stator slots 112 is θ, wherein, θ meets: 8 °≤θ≤10 °.Such as, 36 groove stators 100 are when carrying out coiling, and the first stator slot 111 only can place the winding of same phase, and the second stator slot 112 can place principal phase and parafacies two phase winding simultaneously, only can certainly place the winding of same phase.
In some embodiments of the invention, the groove number of stator slot 11 is Z, and the number of pole-pairs of 6 pole motors is p, and the number of phases of 6 pole motors is m, and wherein, Z, p, m meet: Z/2pm >=3.That is, for the groove number of stator slot 11, demand fulfillment Z/2pm >=3, namely meets the groove number Z >=6pm of stator slot 11, and here, the number of pole-pairs of 6 pole motors is p=6, then the groove number of stator slot 11 need meet Z >=36m.
In one embodiment of the invention, 6 pole motors can be stator plastic packaging motor.Stator plastic packaging motor not only volume is little, and quality is light, is convenient to install assembling, simplifies production process, and corrosion-resistant, humidity, high temperature resistant, has good insulating properties.In addition, stator plastic packaging motor also has higher heat-sinking capability, and dielectric strength is high, and motor precision is high.
Alternatively, 6 pole motors are single phase induction motor.Single phase induction motor only needs single-phase alternating current, and structure is simple, with low cost, noise is little, disturb little to radio system, thus easy to use.
Execution mode optionally, 6 pole motors can be external rotor electric machine, and rotor assembly is located at the outside of stator 100 rotationally.Now stator 100 is positioned at rotor assembly, and stator 100 produces rotating magnetic field, and rotating magnetic field acts on rotor to promote the rotation of rotor assembly.
Below with reference to Fig. 1-Fig. 4, a specific embodiment according to washing machine of the present invention is described.
Washing machine of the present invention comprises interior bucket and 6 pole external-rotor single phase induction motors, 6 pole motors comprise stator 100 and rotor assembly, wherein stator 100 is formed with stator slot 11, stator slot 11 comprises spaced first stator slot 111 and the second stator slot 112 of circumference, the cross-sectional area of the second stator slot 112 is greater than the cross-sectional area of the first stator slot 111, and rotor assembly is connected with interior bucket.When 6 pole machine operation, stator 100 produces rotating magnetic field, and rotating magnetic field acts on rotor assembly generation rotation torque and rotates to impel rotor assembly, and rotor assembly is connected with interior bucket thus interior bucket can be driven to rotate.
In the circumference of stator 100, between adjacent two the second stator slots 112, be provided with two the first stator slots 111.The cross-sectional area of the second stator slot 112 is α with the ratio of the cross-sectional area of the first stator slot 111, and wherein, α meets: 1.05:1≤α≤1.45:1.The groove number of stator slot 11 can be 36, the angle of center respectively and between the line at the center of stator 100 of adjacent two the second stator slots 112 is 30 °, the angle of center respectively and between the line at the center of stator 100 of two the first stator slots 111 between adjacent two the second stator slots 112 is θ, and θ meets: 8 °≤θ≤10 °.
Wherein, the synchronous speed of 6 pole motors is 1000rpm, and when 6 pole machine operation, 6 pole motors can export as dewatering state by Direct driver.When washing machine needs washing, washing state can be switched to by clutch, and about gear reduction decelerates to 210 ~ 260rpm scope, thus the operating efficiency of washing machine can be improved.
According to the washing machine of the embodiment of the present invention, by adopting 6 pole external-rotor single phase induction motors, rotor assembly is connected with interior bucket, thus dewatering state can be entered by bucket in Direct driver, simplify complete machine structure, make it compacter, also can reduce production cost, washing machine operating efficiency can be improved simultaneously.
According to the washing machine of the embodiment of the present invention other form and operation be all known for those of ordinary skills, be not described in detail here.
In the description of this specification, specific features, structure, material or feature that the description of reference term " embodiment ", " some embodiments ", " illustrative examples ", " example ", " concrete example " or " some examples " etc. means to describe in conjunction with this embodiment or example are contained at least one embodiment of the present invention or example.In this manual, identical embodiment or example are not necessarily referred to the schematic representation of above-mentioned term.And the specific features of description, structure, material or feature can combine in an appropriate manner in any one or more embodiment or example.
Although illustrate and describe embodiments of the invention, those having ordinary skill in the art will appreciate that: can carry out multiple change, amendment, replacement and modification to these embodiments when not departing from principle of the present invention and aim, scope of the present invention is by claim and equivalents thereof.
Claims (9)
1. a washing machine, it is characterized in that, comprise interior bucket and 6 pole motors, described 6 pole motors comprise stators and rotators assembly, wherein said stator is formed with stator slot, described stator slot comprises spaced first stator slot of circumference and the second stator slot, and the cross-sectional area of described second stator slot is greater than the cross-sectional area of described first stator slot, and described rotor assembly is connected with described interior bucket.
2. washing machine according to claim 1, is characterized in that, the cross-sectional area of described second stator slot is α with the ratio of the cross-sectional area of described first stator slot, and wherein, described α meets: 1.05:1≤α≤1.45:1.
3. washing machine according to claim 1 and 2, is characterized in that, in the circumference of described stator, is provided with two described first stator slots between adjacent two described second stator slots.
4. washing machine according to claim 3, is characterized in that, the groove number of described stator slot is at least 36.
5. washing machine according to claim 4, it is characterized in that, the groove number of described stator slot is 36, the angle of center respectively and between the line at the center of described stator of adjacent two described second stator slots is 30 °, the angle of center respectively and between the line at the center of described stator of described two the first stator slots between adjacent two described second stator slots is θ, wherein, described θ meets: 8 °≤θ≤10 °.
6. washing machine according to claim 1, is characterized in that, the groove number of described stator slot is Z, and the number of pole-pairs of described 6 pole motors is p, and the number of phases of described 6 pole motors is m, and wherein, described Z, p, m meet: Z/2pm >=3.
7. washing machine according to claim 1, is characterized in that, described 6 pole motors are stator plastic packaging motor.
8. washing machine according to claim 1, is characterized in that, described 6 pole motors are single phase induction motor.
9. washing machine according to claim 1, is characterized in that, described rotor assembly is located at the outside of described stator rotationally.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510376933.5A CN104882979A (en) | 2015-06-30 | 2015-06-30 | Washing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510376933.5A CN104882979A (en) | 2015-06-30 | 2015-06-30 | Washing machine |
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| Publication Number | Publication Date |
|---|---|
| CN104882979A true CN104882979A (en) | 2015-09-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510376933.5A Pending CN104882979A (en) | 2015-06-30 | 2015-06-30 | Washing machine |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0744816B2 (en) * | 1986-03-28 | 1995-05-15 | 株式会社三協精機製作所 | Brushless motor |
| JP2001245460A (en) * | 2000-02-29 | 2001-09-07 | Fujitsu General Ltd | Permanent magnet motor |
| CN202170432U (en) * | 2011-04-13 | 2012-03-21 | 常州至精精机有限公司 | Integrated driving device for tumbling-box washing machine |
| CN103095081A (en) * | 2013-02-17 | 2013-05-08 | 天津大学 | Low-heat coupling and non electromagnetic coupling dual-redundancy permanent-magnet synchronous motor between phase windings |
-
2015
- 2015-06-30 CN CN201510376933.5A patent/CN104882979A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0744816B2 (en) * | 1986-03-28 | 1995-05-15 | 株式会社三協精機製作所 | Brushless motor |
| JP2001245460A (en) * | 2000-02-29 | 2001-09-07 | Fujitsu General Ltd | Permanent magnet motor |
| CN202170432U (en) * | 2011-04-13 | 2012-03-21 | 常州至精精机有限公司 | Integrated driving device for tumbling-box washing machine |
| CN103095081A (en) * | 2013-02-17 | 2013-05-08 | 天津大学 | Low-heat coupling and non electromagnetic coupling dual-redundancy permanent-magnet synchronous motor between phase windings |
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Application publication date: 20150902 |
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