CN103147257A - Roller washing machine and washing drying method thereof - Google Patents
Roller washing machine and washing drying method thereof Download PDFInfo
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- CN103147257A CN103147257A CN2013100862422A CN201310086242A CN103147257A CN 103147257 A CN103147257 A CN 103147257A CN 2013100862422 A CN2013100862422 A CN 2013100862422A CN 201310086242 A CN201310086242 A CN 201310086242A CN 103147257 A CN103147257 A CN 103147257A
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Abstract
A roller washing machine is sequentially provided with a housing, a washing machine outer barrel, a washing inner barrel with a screen side wall, an expanding space which is arranged in the washing machine outer barrel and bellow the washing inner barrel and a turbulent flow device which is arranged in the expanding space; the inner surface and the outer surface of the side wall of the washing inner barrel are respectively provided with a plurality of reinforced ribs; when the washing machine stays at a working state, water fulfills the entire expanding space and enters the washing inner barrel, and the washing inner barrel rotates to conduct the conventional washing action; and meanwhile, the turbulent flow device works to disturb the water in the expanding space and the washing inner barrel. The roller washing machine effectively integrates the advantages of an impeller-type washing machine and the roller washing machine, not only can high efficiently clean clothes, but also can save a great amount of washing water and electric energy, and can be widely applied to different fields. Since the adopted technology is mature, the roller washing machine is low in cost and very suitable for being widely popularized and used.
Description
Technical field
The present invention relates to a kind of roller washing machine and washing and drying method thereof, relate in particular to a kind of roller washing machine and corresponding washing and drying method that can produce eddy current with screen mesh type cylinder and disturbing flow device.Relate to the processing of Patent classificating number D06 fabric etc.; Washing; Washing, drying, flatiron, pressing or the discounting D06F37/00 of other classes flexible material D06F not to be covered textiles is included in the part of the various washing machines of D06F21/00 to D06F25/00 group, is limited to the washing machine of these kinds.
Background technology
Existing washing machine mainly comprises two large kinds, and rotary drum washing machine and roller washing machine, rotary drum washing machine are the positive and negative rotations of impeller, drives the current positive and negative rotation, and clothes has increased remover and contacted with clothes in the rotation of current, removes spot.Clean ability is stronger, and shortcoming is water wasting, and clothes easily is wound around, and hinders clothes, and clean result is also inhomogeneous, and local spot is difficult to remove.
Drum-type is the drum rotation, drives clothes and beats up and down, and spot is removed in contacting of increase and remover.The advantage water-saving, automatically degree high, do not twine clothes, to clean ability slightly poor, the efficient of its drying clothes is very low simultaneously, has caused the dual waste of time and the energy.
In a lot of comsuption guides, all advise the consumer, according to the actual operating position of locality, select to be fit to the washing machine of own type as the degree of enriching, water price and the water quality of local water resource.
How can invent and a kind ofly can reduce again both washing machines of shortcoming simultaneously in conjunction with rotary drum washing machine and roller washing machine advantage both as far as possible, become a problem demanding prompt solution.
Summary of the invention
The present invention is directed to the proposition of above problem, and a kind of roller washing machine of development, have successively from outside to inside: the urceolus of shell, washing machine, sidewall be screen cloth washing inner drum, to be positioned at the washing machine urceolus inner, the extending space of inner tank of washing machine below and the disturbing flow device that is positioned at extending space inside;
The inner surface of described washing inner drum sidewall and outer surface are respectively equipped with the multiple tracks reinforcement;
Under work state of washing machine, water is full of described whole extending space and enters washing inner drum, and washing inner drum rotates, and carries out routine laundry action; Disturbing flow device work simultaneously, the water in the described extending space of disturbance and washing inner drum.
Described disturbing flow device is impeller.
Described disturbing flow device is screw or impeller, during washing inner drum work, and screw or wheel rotation, the water in the described extending space of disturbance and washing inner drum, turbulization; Simultaneously, the water in screw or impeller drive extending space forms the jet water course that rushes at washing inner drum inside;
After laundry is completed, the washing inner drum High Rotation Speed, spin-dry, described screw, impeller or impeller do not rotate at this moment; After water in emptying described urceolus, described screw and impeller High Rotation Speed, the air that drives in described extending space forms the air-flow that blows to washing inner drum.
Spray/spraying system, this system comprises: a plurality of spray/injection apparatus between urceolus and washing inner drum; Be positioned at the intake pipe of described extending space inside, the circulating pump that is communicated with this intake pipe and described a plurality of spray equipment;
Under duty, circulating pump extracts the water of described extending space inside, with after the water pressurization by Pipeline transport to described a plurality of spray equipments, by spray equipment, high pressure water jets is incident upon in washing inner drum.
Described spray/injection apparatus is the many piece playpipes parallel with described washing inner drum axis, and every playpipe is provided with a plurality of spray-holes towards the position of described washing inner drum.
Described spray/injection apparatus has 4 described playpipes at least, lays respectively at 12 points, 3 points, and 9 positions of described washing inner drum at 6.
Described screw or impeller outer are covered with the annular orientation plate, and the lower end of this position plate is fixed on described urceolus, and the below of this position plate is provided with the through hole of a plurality of connections annular position plate inside and extending space.
Also has the heater that is positioned at described screw or impeller below, complete when drying action, when drying action, the rotation at a slow speed that washing inner drum carries out clockwise or replaces counterclockwise, described heater work, the circumference air, described screw or vane rotary produce the thermal current that blows to washing inner drum.
The top of described urceolus is provided with aspirating hole, and when drying/drying action, the steam that wet clothes produces is discharged by this aspirating hole; Described circulating pump has drainpipe; Described aspirating hole is communicated with described drainpipe by the pipeline with aspiration pump; Humid air by aspirating hole extracts by described pipeline with aspiration pump, finally enters described drainpipe and discharges.
A kind of washing and drying method of roller washing machine has following steps:
In described washing inner drum, put into clothing, the water injection pipe that is connected with water source water filling in the described urceolus is full of described extending space until the middle part of described washing inner drum;
Washing inner drum alternately rotates clockwise and counterclockwise, described disturbing flow device work, the water in the disturbance inner core, turbulization; Screw in disturbing flow device or vane rotary produce the jet water course that points to washing inner drum; Strengthen laundry effect;
Circulating pump extracts the water in described extending space, after pressurization by Pipeline transport to described many playpipes that lay respectively at washing inner drum top, below and both sides, by the clothing jet cleaning water of playpipe to laundry wheel inside, the high speed washings pass the screen mesh type washing inner drum, impact clothing, strengthen laundry effect;
After washing finished, described laundry wheel High Rotation Speed dried clothing; Described heater work is heated the air in described annular orientation plate, impeller or screw High Rotation Speed, heated air is blowed to described laundry wheel, and simultaneously, described laundry wheel is done and is alternately rotatablely moved clockwise and counterclockwise at a slow speed, stir clothing, accelerate the drying course of clothing.
Owing to having adopted above-mentioned technical scheme, a kind of roller washing machine disclosed by the invention, increased the flow-disturbing injection apparatus that can produce eddy current by the inside at traditional washing machine urceolus, heater and spray equipment, effectively with the advantages of pulsator washing machine and roller washing machine get up, can clean efficiently clothing, can save a large amount of slurries and electric energy again, can be widely used in each different region.Owing to adopting technology maturation, with low cost, be very suitable for promoting on a large scale and using.
Description of drawings
Technical scheme for clearer explanation embodiments of the invention or prior art, the below will do one to the accompanying drawing of required use in embodiment or description of the Prior Art and introduce simply, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is stereogram of the present invention
Fig. 2 is schematic diagram of the present invention
Fig. 3 is A-A schematic cross-section in Fig. 1 of the present invention
Fig. 4 A is the schematic diagram of barrier type cylinder of the present invention
Fig. 4 B is the cylinder schematic diagram of circular hole formula of the present invention
Fig. 4 C is the schematic diagram of the oblique grating type cylinder of the present invention
Fig. 5 A is impeller schematic diagram of the present invention
Fig. 5 B is screw schematic diagram of the present invention
Fig. 5 C is impeller schematic diagram of the present invention
The specific embodiment
For the purpose, technical scheme and the advantage that make embodiments of the invention is clearer, below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is known complete description:
As depicted in figs. 1 and 2: a kind of roller washing machine, combine the advantage of impeller and two kinds of washing machines of cylinder, namely merged two kinds of laundry modes of impeller current and drum turning: mainly comprise:
Be positioned at outermost washing machine shell 3, with the structure of the similar double-layer barrel of roller washing machine, i.e. urceolus 2 and washing inner drum 1.Traditional inner cylinder for drum washing machine and the shape of urceolus are similar, are cylindrical structure, and urceolus maintains static, and inner core is rotated clean clothing.
In conventional washing process, described inner barrel of washing 1 is controlled its low-speed running by variable-frequency motor 6 by control system, and its operating range is adjustable in the scope of 10-80 rev/min.
In the present invention, urceolus 2 has an extending space 9, on the basis of original columniform urceolus, expanded the space below urceolus, as shown in Figure 2, in the process of laundry, slurry enters washing machine urceolus 2 by the water inlet pipe 7 with electromagnetic valve 71, fills whole extending space 9, and arrives the height about washing inner drum 1/1st three left and right.Can be according to control system, electromagnetic valve for adjusting 71, and then the inflow of adjusting washings.
Be provided with disturbing flow device 4 in the inside of extending space 9, when doing washing action, the water of 4 pairs of described extending spaces 9 of disturbing flow device and urceolus 2 inside carries out disturbance, laundry wheel 1 is rotating under the drive of drive motors 6 on the basis that clothing is cleaned, increase turbulent flow to the washing away of clothing, further strengthened laundry effect.
As a better embodiment, described disturbing flow device 4 is for being similar to the impeller 4A of conventional wave wheel washer, and effectively the water of urceolus 2 and extending space 9 inside carries out disturbance, the generation eddy current.Accordingly, below this impeller 4A, in space between urceolus 2 and shell 3 (for the consideration of waterproof, the use of minimizing waterproof material and technique) be provided with the motor 41 that drives impeller 4A rotation, in use procedure, the direction that can coordinate as required laundry wheel 1 rotation arranges the direction of rotation of impeller 4A, increases laundry effect.
Further, in order to increase the water movement complexity, the form of described disturbing flow device 4 is screw 4B or impeller 4C.Rotate on the basis that produces traditional rotating vortex at impeller 4A, rotation by screw or impeller, the washings that drive in extending space form the jet water course that rushes at washing inner drum 1 inside, the mesh of the macroporosity of process washing inner drum 1, be injected on clothing, further strengthen laundry effect.
Simultaneously, consider that screw and impeller are when idle running, can produce the air-flow of certain orientation equally, therefore when washing finishes, drain the water of urceolus 2 inside, laundry wheel 1 High Rotation Speed dries action, and this moment, described screw 4B and impeller 4C stopped operating, avoid rotating the windstream of generation, the drying process is produced adverse influence.
When drying release, washing machine enters the oven dry flow process, described screw 4B and impeller 4C High Rotation Speed, produce the impact air-flow that points to urceolus 2, dry up clothing, simultaneously, laundry wheel 1 is done clockwise and slowly running of counterclockwise replacing, tremble loose clothing, strengthen wind area, accelerate the speed that dries up.
Existing laundry wheel is all grown the porosity that all has seldom, and namely whole cylinder wall only has limited hole, usually only plays the effect of draining.For the reduction effect of the least possible less porosity to described eddy current and jet water course, the shared ratio of expandable pores as much as possible of laundry wheel 1 of the present invention.
As a better embodiment, described laundry wheel 1 is the screen mesh type cylinder, and namely the sidewall of laundry wheel 1 is screen cloth.
Further, consider that the intensity of screen cloth is softer, easily extrusion, thus preferred, be provided with multiple tracks reinforcement 11 on the inside and outside surface of laundry wheel 1 sidewall of described screen mesh type.Described outer reinforcement can crisscrossly arrange, and increases as much as possible the intensity of whole cylinder.Accordingly, interior reinforcement is parallel with described cylinder axis, and when drum turning, (tumbling-box washing machine relies on self rotation to increase the height that carries clothing, then clothing is promoted to certain altitude falls, clothing is beaten, reach the purpose of laundry, if increase axial projection, it is interior reinforcement of the present invention, can effectively increase the hoisting depth that cylinder carries clothing, increase laundry effect), further increase laundry effect.
Further, in order further to increase laundry effect, also be provided with spray/spraying system in the present invention, laundry wheel 1 is sprayed and sprays, further increase laundry effect.
As a better embodiment, described spray/spraying system mainly comprises:
A plurality of spray/injection apparatus 53 between urceolus and washing inner drum are positioned at the intake pipe 51 of described extending space inside, the circulating pump 5 that is communicated with this intake pipe 51 and described a plurality of spray/injection apparatus 53.
Under duty, circulating pump 5 extracts the washings of described extending space 9 inside, with after washings pressurizations by Pipeline transport to described a plurality of spray/injection apparatus 53, by spray/injection apparatus 53, high pressure water jets is incident upon in washing inner drum 1, because the sidewall of washing inner drum 1 is screen mesh type, high-velocity flow passes sidewall easily, impacts clothing (even can not directly impact clothing, also can further increase the turbulence state of water), further increase laundry effect.
Accordingly, on the pipeline between circulating pump 5 and spray/injection apparatus 53, be provided with the electromagnetic valve 55 that is connected with electric-control system, control the unlatching of described spray/spraying system, namely by the washings after circulating pump 5 pressurizations, enter spray/injection apparatus 53 by this electromagnetic valve 55, form the multiple tracks water curtain.In the process of final draining, this electromagnetic valve 55 is in closed condition, avoids last sewage to enter inner core, pollutes the clothing that dries.
Preferably, described spray/injection apparatus 53 is four and is separately fixed at washing inner drum 1 top, below and both sides, namely the playpipe of 12 points, 3 points, 6 and 9 positions, have a plurality of spray-holes at playpipe towards the direction of cylinder, and described High-Pressure Water is namely through these spray-hole ejections.
Further, in order to strengthen by screw or the current of impeller generation and the directionality of air-flow, increase current and air-flow to the impulsive force of clothing, as a better embodiment, be provided with annular orientation plate 44 around described screw 4B or impeller 4C, the bottom of this plate is fixed on the bottom of urceolus 2, can greatly strengthen the directionality of air-flow or the current of generation, strengthens the clean level of laundry and the speed of drying.
further, be provided with a plurality of through holes 45 of arranging circlewise in the bottom of described annular orientation plate 44, be communicated with annular position plate 44 inside and extending spaces 9: at screw or impeller High Rotation Speed, can discharge at a high speed in a large number water or the air of annular position plate 44 inside, cause the local hydraulic pressure of its inside or hydraulic pressure or the air pressure that air pressure is significantly less than annular orientation plate 44 outsides, existence due to pressure differential, water or air enter the obviously quickening of speed of annular orientation plate 44 inside by through hole 45, the current that coordinate the High Rotation Speed (form with obviously the air-flow of directionality and the inertia of flow) of screw or impeller to increase to point to cylinder and the flow velocity of air-flow, further increase the effect of laundry and drying.
In order to realize the oven dry to clothing, as a better embodiment, be provided with heater 43 below described screw 4B or 4C, when the drying action is completed, heater 43 work, heat its peripheral air, the air that drives heating by screw or vane rotary blows to the clothing in the cylinder of top; Simultaneously, loose clothing is trembled in the low speed rotation that washing inner drum 1 is done clockwise or counterclockwise replaced, and increases the clothing heating surface area, accelerates drying rate.
Simultaneously, due to the existence that described through hole 45 is arranged, accelerated the flow velocity of described heater 43 surrounding airs, accelerated the speed that air-flow enters the circulation of washing inner drum 1, the air of circulating-heating urceolus 2 inside, accelerate drying rate quickly.
Further, have aspirating hole above urceolus 2, be incorporated in drainpipe 52 by will dry the humid air that produces with the pipeline of aspiration pump 81, discharge washing machine by drainpipe 52, directly enter sewer pipe.In the junction of pipeline and drainpipe 52, be provided with the electromagnetic valve 54 that is connected with electric-control system, can control the amount that enters the air in blast pipe 52 on the one hand; On the other hand, this electromagnetic valve 54 of electric control system controls, and then control the switch of whole washing machine pipeline.
In clothes drying process, screw in heater and described disturbing flow device or impeller acting in conjunction, blow the high speed thermal current in the laundry wheel 1 of described screen mesh type, cylinder wall by macroporosity, enter cylinder inside, laundry wheel 1 is done clockwise and counterclockwise alternately slowly running simultaneously, in the situation that assurance thermal current speed, tremble loose clothing, reach the purpose of drying clothes.
The above; only be the better specific embodiment of the present invention; but protection scope of the present invention is not limited to this; anyly be familiar with those skilled in the art in the technical scope that the present invention discloses; be equal to replacement or changed according to technical scheme of the present invention and inventive concept thereof, within all should being encompassed in protection scope of the present invention.
Claims (10)
1. roller washing machine has from outside to inside successively: the urceolus of shell, washing machine, sidewall be screen cloth washing inner drum, to be positioned at the washing machine urceolus inner, the extending space of inner tank of washing machine below and the disturbing flow device that is positioned at extending space inside;
The inner surface of described washing inner drum sidewall and outer surface are respectively equipped with the multiple tracks reinforcement;
Under work state of washing machine, water is full of described whole extending space and enters washing inner drum, and washing inner drum rotates, and carries out routine laundry action; Disturbing flow device work simultaneously, the water in the described extending space of disturbance and washing inner drum.
2. a kind of roller washing machine according to claim 1, be further characterized in that: described disturbing flow device is impeller.
3. a kind of roller washing machine according to claim 1, be further characterized in that: described disturbing flow device is screw or impeller, during washing inner drum work, screw or wheel rotation, the water in the described extending space of disturbance and washing inner drum, turbulization; Simultaneously, the water in screw or impeller drive extending space forms the jet water course that rushes at washing inner drum inside;
After laundry is completed, after the water in washing inner drum High Rotation Speed, emptying described urceolus, described screw and impeller High Rotation Speed, the air that drives in described extending space forms the air-flow that blows to washing inner drum.
4. a kind of roller washing machine described according to above-mentioned any one claim is further characterized in that: spray/spraying system, and this system mainly comprises: a plurality of spray/injection apparatus between urceolus and washing inner drum; Be positioned at the intake pipe of described extending space inside, the circulating pump that is communicated with this intake pipe and described a plurality of spray equipment;
Under duty, circulating pump extracts the water of described extending space inside, with after the water pressurization by Pipeline transport to described a plurality of spray equipments, by spray equipment, high pressure water jets is incident upon in washing inner drum.
5. a kind of roller washing machine according to claim 4, be further characterized in that: described spray/injection apparatus is the many piece playpipes parallel with described washing inner drum axis, every playpipe is provided with a plurality of spray-holes towards the position of described washing inner drum.
6. a kind of roller washing machine according to claim 5, be further characterized in that: described spray/injection apparatus has 4 described playpipes at least, lays respectively at 12 points, 3 points, and 9 positions of described washing inner drum at 6.
7. a kind of roller washing machine according to claim 3, be further characterized in that: described screw or impeller outer are covered with the annular orientation plate, the lower end of this position plate is fixed on described urceolus, and the below of this position plate is provided with the through hole of a plurality of connections annular position plate inside and extending space.
8. a kind of roller washing machine according to claim 7, be further characterized in that and have the heater that is positioned at described screw or impeller below, complete when drying action, when drying action, the rotation at a slow speed that washing inner drum carries out clockwise or replaces counterclockwise, described heater work, the circumference air, described screw or impeller produce the thermal current that blows to washing inner drum.
9. a kind of roller washing machine according to claim 8, be further characterized in that: the top of described urceolus is provided with aspirating hole, and when drying/drying action, the steam that wet clothes produces is discharged by this aspirating hole; Described circulating pump has drainpipe; Described aspirating hole is communicated with described drainpipe by the pipeline with aspiration pump; Humid air by aspirating hole extracts by described pipeline with aspiration pump, finally enters described drainpipe and discharges.
10. roller washing machine method of work as claimed in claim 9 has following steps:
In described washing inner drum, put into clothing, the water injection pipe that is connected with water source water filling in the described urceolus is full of described extending space until the middle part of described washing inner drum;
Washing inner drum alternately rotates clockwise and counterclockwise, described disturbing flow device work, the water in the disturbance inner core, turbulization; Screw in disturbing flow device or impeller produce the jet water course that points to washing inner drum; Strengthen laundry effect;
Circulating pump extracts the water in described extending space, after pressurization by Pipeline transport to described many playpipes that lay respectively at washing inner drum top, below and both sides, by the clothing jet cleaning water of playpipe to laundry wheel inside, the high speed washings pass the screen mesh type washing inner drum, impact clothing, strengthen laundry effect;
After washing finished, described laundry wheel High Rotation Speed dried clothing; Described heater work is heated the air in described annular orientation plate, impeller or screw High Rotation Speed, heated air is blowed to described laundry wheel, and simultaneously, described laundry wheel is done and is alternately rotatablely moved clockwise and counterclockwise at a slow speed, stir clothing, accelerate the drying course of clothing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201310086242.2A CN103147257B (en) | 2013-02-25 | 2013-03-18 | A kind of roller washing machine and washing and drying method thereof |
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| CN2013100585275 | 2013-02-25 | ||
| CN201310058527.5 | 2013-02-25 | ||
| CN201310058527 | 2013-02-25 | ||
| CN201310086242.2A CN103147257B (en) | 2013-02-25 | 2013-03-18 | A kind of roller washing machine and washing and drying method thereof |
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| CN103147257A true CN103147257A (en) | 2013-06-12 |
| CN103147257B CN103147257B (en) | 2015-07-29 |
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| CN105256509A (en) * | 2015-11-16 | 2016-01-20 | 张久军 | Roller washing machine and washing and drying method thereof |
| CN105839346A (en) * | 2016-05-19 | 2016-08-10 | 无锡小天鹅股份有限公司 | Roller washing machine and washing method applied to roller washing machine |
| CN107964757A (en) * | 2017-12-26 | 2018-04-27 | 佛山海尔滚筒洗衣机有限公司 | A kind of double-power cylinder washer and its control method |
| CN108797018A (en) * | 2018-08-07 | 2018-11-13 | 海信（山东）冰箱有限公司 | A kind of washing machine and its control method with defoaming function |
| CN109972339A (en) * | 2017-12-28 | 2019-07-05 | 青岛海尔滚筒洗衣机有限公司 | A kind of washing machine |
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| KR102598719B1 (en) * | 2018-12-26 | 2023-11-06 | 엘지전자 주식회사 | laundry machine having an induction heater and the control method of the same |
| KR20200079934A (en) * | 2018-12-26 | 2020-07-06 | 엘지전자 주식회사 | laundry machine having an induction heater and the control method of the same |
| KR102598718B1 (en) * | 2018-12-26 | 2023-11-06 | 엘지전자 주식회사 | laundry machine having an induction heater and the control method of the same |
| CN111394928A (en) * | 2018-12-26 | 2020-07-10 | Lg电子株式会社 | Laundry device having induction heater and control method thereof |
| US11479895B2 (en) | 2018-12-26 | 2022-10-25 | Lg Electronics Inc. | Laundry machine having induction heater and control method thereof |
| WO2020138914A1 (en) * | 2018-12-26 | 2020-07-02 | Lg Electronics Inc. | Laundry machine having induction heater and control method thereof |
| WO2020138901A1 (en) * | 2018-12-26 | 2020-07-02 | Lg Electronics Inc. | Laundry machine having induction heater and control method thereof |
| WO2020138900A1 (en) * | 2018-12-26 | 2020-07-02 | Lg Electronics Inc. | Laundry machine having induction heater and control method thereof |
| US11359324B2 (en) | 2018-12-26 | 2022-06-14 | Lg Electronics Inc. | Laundry machine having induction heater and control method thereof |
| CN111850976A (en) * | 2019-04-30 | 2020-10-30 | 青岛海尔洗衣机有限公司 | Washing machine |
| CN110983715A (en) * | 2019-12-19 | 2020-04-10 | 北京科技大学 | Stirring type layered cleaning energy-saving washing system |
| CN110983715B (en) * | 2019-12-19 | 2021-02-26 | 北京科技大学 | Stirring type layered cleaning energy-saving washing system |
| CN113215766A (en) * | 2020-01-17 | 2021-08-06 | 青岛海尔洗衣机有限公司 | Pulsator washing machine |
| CN112030455A (en) * | 2020-08-28 | 2020-12-04 | 珠海格力电器股份有限公司 | Washing machine |
| CN112030455B (en) * | 2020-08-28 | 2024-02-23 | 珠海格力电器股份有限公司 | Washing machine |
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