CN105442274A - Washing machine - Google Patents
Washing machine Download PDFInfo
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- CN105442274A CN105442274A CN201410488182.1A CN201410488182A CN105442274A CN 105442274 A CN105442274 A CN 105442274A CN 201410488182 A CN201410488182 A CN 201410488182A CN 105442274 A CN105442274 A CN 105442274A
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- washing machine
- filter
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- clean
- coarse filter
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Abstract
The invention provides a washing machine which comprises a filtering member configured to filter the water discharged from a washing cylinder of the washing machine, the water being cycled to the washing cylinder and reused; and a three-way, apparatus having a cleaning port through which a fluid flows, a concentrated discharge port, and a discharge port for discharging the fluid out of the washing machine. The three-way apparatus is configured in such a way that the cleaning port and the discharge port are controllably conducted or disconnected, so that a cleaning flow passage is formed when the cleaning port and the discharge port are conducted, a cleaning fluid is discharged out of the washing machine after the filtering members are cleaned by the cleaning fluid; and the concentrated discharge port and the discharge port are controllably conducted or disconnected, so that a concentrated discharge flow passage is formed when the concentrate discharge port and the discharge port are conducted, and the washing water from the washing cylinder of the washing machine is discharged out of the washing machine. The washing machine of the invention has an optimal flow passage layout and a control mode, and satisfies the demands of different operation processes of the washing machine.
Description
Technical field
The present invention relates to washing machine, particularly relate to a kind of washing machine with recirculated water filtering function.
Background technology
Workflow during existing conventional washing machine laundry generally includes into water, washing-drying-draining, repeatedly rinsing-drying-draining etc., and wherein each rinsing all needs to consume a large amount of clear water.Generally speaking, once the do washing water consumption of whole workflow of existing pulsator washing machine can reach per kilogram clothing 20-30 liter, and existing roller washing machine is once done washing, the water consumption of whole workflow also will reach per kilogram clothing 12L water.That is, existing conventional washing machine is (regardless of pulsator washing machine or tumbling-box washing machine, also no matter be semi-automatic washing machine or automatic washing machine) when working, general is all directly be discharged into outside washing machine by laundrywastes, and refill a large amount of clear water repeatedly rinsing is carried out to clothing, cause whole laundry processes water consumption larger.
For realizing the object of Water-Saving for Washing Machine, prior art generally adopts following scheme to process laundrywastes:
Scheme 1: increase water storage tank and collect washings in washing machine, and filter screen is set is applied to next laundry processes by after the washings simple filtration of collection.
Scheme 2: increase reverse osmosis filter in washing machine, purifies laundrywastes, and purifying waste water after purification is applied to next laundry processes.
Scheme 3: use the auxiliary devices such as large-scale water treatment facilities and ozone generator to purify laundrywastes, is applied to next laundry processes by purifying waste water after purification.
But the practical application effect of above-mentioned several scheme is all undesirable, and main cause is as follows.
The filter screen that scheme 1 increases and water storage tank can only remove the line bits in washings simply.But because washings impurity is many, water quality is unstable, causes scheme 1 really can not solve the quality problem of washings.And this scheme needs manually to clean water storage tank and filter screen usually, safeguard inconvenience.
Scheme 2 uses reverse osmosis filter to purify laundrywastes, and this not only needs to use high-pressure pump, and purification produces water speed slowly, and water yield is difficult to the normal user demand ensureing washing machine.In addition, this scheme needs to regularly replace reverse osmosis filter, and cost is higher.
Scheme 3 uses the auxiliary devices such as large-scale water treatment facilities and ozone generator to purify laundrywastes, these auxiliary devices are not only own expensive, take up room large, but also need a lot of corollary apparatus and relevant cleaning plant, significantly increase equipment cost and maintenance cost further, be not suitable for average family completely and use.
Can find out itself to have in the washing machine of circulating water filtering system, such as, according to the washing machine of aforementioned schemes 1 and 2, not there is the automatic cleaning function of filter assemblies, cause the cleaning of filter assemblies wherein trouble or needs to be changed comparatively continually.
And in such washing machine, owing to will carry out filtration treatment so that recycle to such as washings or washings, thus it is except comprising conventional inlet pipeline and discharge pipe line, also will comprise filtered water circulation line.In the prior art, be all generally arranged separately by above-mentioned pipeline and control, so just cause the washing machine internal pipeline with circulating water filtering system mixed and disorderly, fault rate is high, controls complicated, not easily inspection and maintenance.
Summary of the invention
An object of the present invention is at least one defect that will overcome prior art washing machine, provide a kind of have optimize stream layout and control mode and filter assemblies in circulating water filtering system can by the washing machine of automated cleaning.
The present invention's further object the fluid circuit layout in washing machine of the present invention will be made simple and controllably switch groups can synthesize multiple stream.
Another further object of the present invention to make the fluid circuit reliability in washing machine of the present invention higher, is easy to inspection and maintenance.
For this reason, the invention provides a kind of washing machine, comprising:
Filter assemblies, the water be configured to discharging in the cylindric washer from described washing machine filters, and reuses to loop back in described cylindric washer; With
Three-way device, has the clean port and dense row's port that flow into for fluid, and by the discharge port of washing machine described in fluid expulsion; Wherein
Described three-way device is configured to:
Controllably be turned on or off described clean port and described discharge port, to form clean stream when described clean port and described discharge port conducting, is discharged into outside described washing machine by the cleaning fluid after clean described filter assemblies; And
Controllably be turned on or off described dense row's port and described discharge port, to form dense drainage road when described dense row's port and described discharge port conducting, is discharged into outside described washing machine by washings in the cylindric washer from described washing machine.
Alternatively, the described discharge port of described three-way device is communicated with described cylindric washer by connecting pipe, to balance the air pressure between described three-way device and cylindric washer when draining.
Alternatively, described filter assemblies comprises coarse filter and is positioned at the fine filter in described coarse filter downstream,
The entrance of the intake antrum of described coarse filter is communicated to the draining delivery side of pump of described washing machine,
Dense row's mouth of the intake antrum of described coarse filter is communicated to dense row's port of described three-way device,
The outlet of the water chamber of described coarse filter to the entrance of described fine filter, and
The sewage draining exit of described fine filter is communicated to the clean port of described three-way device.
Alternatively, described clean stream comprises the fine filter liquid wash road utilizing clean liquid to clean described fine filter as cleaning fluid, in described fine filter liquid wash road, clean liquid is pumped into the intake antrum of described coarse filter from described cylindric washer, is discharged to outside described washing machine successively through the sewage draining exit of the water chamber of described coarse filter, described fine filter, the clean port of described three-way device and discharge port.
Alternatively, described washing machine also comprises air pump, and the gas outlet of described air pump is communicated with the entrance of the water chamber of described coarse filter;
Described clean stream also comprises the fine filter air purge stream utilizing clean air as cleaning fluid, described fine filter to be carried out to air purge, in described fine filter air purge stream, clean air delivers to the water chamber of described coarse filter by described air pump, is discharged to outside described washing machine successively through the sewage draining exit of the water chamber of described coarse filter, described fine filter, the clean port of described three-way device and discharge port.
Alternatively, described washing machine also comprises dense comb, and the entrance of described dense comb is communicated to dense row's mouth of the intake antrum of described coarse filter, and the outlet of described dense comb is to described dense row's port; And
In described dense drainage road, washings are pumped into the intake antrum of described coarse filter from described cylindric washer, are discharged to outside described washing machine successively through dense row's port of described dense comb, described three-way device and discharge port.
Alternatively, described three-way device, controllably described in conducting when dense row's port and described discharge port, also can form coarse filter liquid wash road or coarse filter air purge stream, is discharged into outside described washing machine by the cleaning fluid after clean described coarse filter respectively.
Alternatively, the product mouth of a river of described fine filter is communicated to the inlet channel of described cylindric washer;
Described three-way device is further configured to: all of the port controllably turning off described three-way device, to form water purification wash road, in described water purification wash road, washings are pumped into the intake antrum of described coarse filter from described cylindric washer, successively through the inlet channel of the water chamber of described coarse filter, described fine filter, described cylindric washer, get back in described cylindric washer at the double-filtration Posterior circle through described coarse filter and described fine filter and reuse.
Alternatively, described three-way device is Electrocontrolled tee valve.
Alternatively, described three-way device is also configured to turn off other ports when conducting two ports.
Washing machine of the present invention has stream layout and the control mode of optimization, filter assemblies in its circulating water filtering system by automated cleaning by clean stream, extends the life-span of filter assemblies in washing machine of the present invention and ensures that it has higher filtration flux all the time.
In addition, the present invention is automatically switched with centralized control the mode of communicating of fluid circuit in washing machine, and the different operating process for washing machine provides required corresponding stream.This centralized control of the present invention carries out multiplexing as much as possible to the pipeline of washing machine internal, the pipeline not only simplifying washing machine internal is arranged, and reduce the complexity of washing machine pipeline control, effectively avoid or reduce the danger that washing machine internal fluid circuit leaks, improve the reliability of washing machine.
According to hereafter by reference to the accompanying drawings to the detailed description of the specific embodiment of the invention, those skilled in the art will understand above-mentioned and other objects, advantage and feature of the present invention more.
Accompanying drawing explanation
Hereinafter describe specific embodiments more of the present invention with reference to the accompanying drawings by way of example, and not by way of limitation in detail.Reference numeral identical in accompanying drawing denotes same or similar parts or part.It should be appreciated by those skilled in the art that these accompanying drawings may not be drawn in proportion.In accompanying drawing:
Fig. 1 is the schematic block diagram of washing machine according to an embodiment of the invention;
Fig. 2 is the schematic diagram on the fine filter liquid wash road of washing machine according to an embodiment of the invention;
Fig. 3 is the schematic diagram of the fine filter air purge stream of washing machine according to an embodiment of the invention;
Fig. 4 is the schematic diagram on the dense drainage road of washing machine according to an embodiment of the invention;
Fig. 5 is the schematic diagram of the coarse filter air purge stream of washing machine according to an embodiment of the invention;
Fig. 6 is the water purification wash road schematic diagram of washing machine according to an embodiment of the invention.
Detailed description of the invention
Fig. 1 is the schematic block diagram of washing machine according to an embodiment of the invention.This washing machine can comprise cylindric washer 12, draining pump 22, filter assemblies and three-way device 28.Cylindric washer 12 is made up of urceolus and the inner core that can rotate in urceolus usually.The bottom of cylindric washer 12 is provided with water discharge outlet, passes through pipeline connection between water discharge outlet and filter assemblies via draining pump 22.As required, such as, in the washing procedure or rinsing program of washing machine, the water pump in cylindric washer 12 can be sent, be transported in filter assemblies and filter, then loop back in cylindric washer 12 and reuse.
Electrocontrolled tee valve is preferably at the three-way device 28 of the embodiment of the present invention.The port of three-way device 28 can comprise the dense row's port A flowed into for fluid, clean port B and discharge port C.As the skilled person will recognize, in an embodiment of the present invention, three-way device 28 preferably is also configured to turn off other ports when conducting two ports.
The discharge port C of three-way device 28 is provided with pilot port in certain embodiments, is communicated with cylindric washer 12 by connecting pipe 19, with the air pressure when draining between balance three-way device 28 and cylindric washer 12.Especially, in cylindric washer 12, water level is too high and need the air pressure to balancing during draining outside washing machine between three-way device 28 and cylindric washer 12, prevent when through three-way device 28 draining after discharging the water expecting discharge rate, the water in cylindric washer 12 even drains by the water of discharging the amount of undesirably discharging owing to producing siphonage.
In the embodiment shown in fig. 1, filter assemblies can be made up of coarse filter 24 and the fine filter 26 being positioned at coarse filter 24 downstream and (it will be understood by those skilled in the art that, here " upstream " and " downstream " is the direction of flowing in pipeline and corresponding component according to fluid), wherein fine filter 26 preferably adopts ultrafiltration membrane filter.Coarse filter 24 first filters from the water in cylindric washer 12 as upstream filter, and fine filter 26 filters the water after coarse filter 24 filtration again as downstream filter.In other embodiments of the present invention, filter assemblies also only can comprise a filter, only to carry out single filter to from the water in cylindric washer 12; Or three of series connection, a four or more filter can be comprised, to carry out multistage filtering to from the water in cylindric washer 12.
In certain embodiments, coarse filter 24 can have the intake antrum and water chamber that are separated to form by filter screen, and the water entered in intake antrum enters in water chamber after strainer filtering.Wherein intake antrum has entrance to receive the fluid of inflow filter, and water chamber have outlet for filter after fluid flow out from filter.The entrance of the intake antrum of coarse filter 24 is communicated to the outlet of the draining pump 22 of washing machine.By the water of draining pump 22 from cylindric washer 12 pumping, enter coarse filter 24 intake antrum and flow into after filtering in water chamber.The fine filter 26 of the embodiment of the present invention can comprise entrance, inner chamber and produce the mouth of a river, filling film silk in its inner chamber, and the water after coarse filter 24 filters enters its inner chamber from the entrance of fine filter 26, flows out after the film silk through inside filters from the product mouth of a river.The product mouth of a river of fine filter 26 is communicated to the inlet channel 14 of cylindric washer 12, so that the water after being filtered by fine filter 26 turns back in cylindric washer 12.In certain embodiments, fine filter 26 is hyperfiltration membrane assembly.
In certain embodiments, coarse filter 24 is also configured to have dense row's mouth especially, is communicated with the intake antrum of coarse filter 24, can discharge the fluid (as the air-flow of air purge or the current of washing) that coarse filter 24 cleans from dense row's mouth.In certain embodiments, fine filter 26 also can arrange sewage draining exit, discharges from sewage draining exit to make the fluid (as the air-flow of air purge or the current of washing) to fine filter 26 cleans.
Especially, the sewage draining exit of fine filter 26 intake antrum of the embodiment of the present invention can be communicated with the clean port B of three-way device 28.Three-way device 28 can controllably be turned on or off clean port B and discharge port C, with when clean port B and discharge port C conducting, forms the clean stream in the embodiment of the present invention, is discharged into outside washing machine by the cleaning fluid after clean filter assemblies.Clean stream can comprise the fine filter liquid wash road utilizing clean liquid to clean fine filter 26 as cleaning fluid, and/or utilize clean air as cleaning fluid, fine filter 26 to be carried out to the fine filter air purge stream of air purge, below in conjunction with accompanying drawing, these streams are described in detail.
Fig. 2 is the schematic diagram on the fine filter liquid wash road of washing machine according to an embodiment of the invention, wherein shows fine filter liquid wash road 40 with heavy line.In fine filter liquid wash road 40, clean liquid is pumped into the intake antrum of coarse filter 24 from cylindric washer 12, is discharged into outside washing machine successively through the water chamber of coarse filter 24, the sewage draining exit of fine filter 26, the clean port B and discharge port C of three-way device 28.In one embodiment, fine filter 26 is ultrafiltration membrane filter, in the process of fine filter liquid wash road conducting, enter the clean liquid in ultrafiltration membrane filter and just flow along the surface of milipore filter without ultrafiltration membrance filter, the dirt of ultrafiltration membrane surface can along with the flowing of clean liquid, be discharged to outside washing machine through discharge port C, reach the object clean to fine filter 26.
Fig. 3 is the schematic diagram of the fine filter air purge stream of washing machine according to an embodiment of the invention, wherein shows fine filter air purge stream 50 with heavy line.In embodiments of the present invention, the washing machine with fine filter air purge stream can comprise air pump 32, and the gas outlet of air pump 32 is communicated with coarse filter 24 water chamber.Airflow pipeline between the gas outlet of air pump 32 and coarse filter 24 is provided with check valve 34, when check valve 34 is opened, air-flow only can flow to the air inlet of coarse filter 24 from the gas outlet of air pump 32, and can not make the gas outlet of the air flow direction air pump 32 in coarse filter 24.When check valve 34 is closed, the gas outlet of air pump 32 leads to and is not communicated with between the air inlet of coarse filter 24.
In fine filter air purge stream 50, clean air is pumped into the water chamber of coarse filter 24 by air pump 32, is discharged into outside washing machine successively through the sewage draining exit of fine filter 26, the clean port B and discharge port C of three-way device 28.
Especially, in some embodiments of the invention, the entrance that dense row's mouth of coarse filter 24 intake antrum is arranged to comb 16 dense with washing machine is communicated with, and the outlet of dense comb 16 is then connected to dense row's port A of three-way device 28.Three-way device 28 can controllably be turned on or off dense row's port A and discharge port C, to form dense drainage road when dense row's port A and discharge port C conducting, is discharged into outside washing machine by the water in cylindric washer 12 without filtration.
Fig. 4 is the schematic diagram on the dense drainage road of washing machine according to an embodiment of the invention, wherein shows dense drainage road 60 with heavy line.In dense drainage road 60, washings or washings are pumped into the intake antrum of coarse filter 24 from cylindric washer 12, are discharged into outside washing machine successively through dense row's port A and discharge port C of dense comb 16, three-way device 28.
In embodiments of the present invention, when selecting to carry out filtration cycle use to washings, after rinsing terminates, the water in cylindric washer 12 is relative clean, it is pumped into the intake antrum of coarse filter 24 by draining pump 22 and flows out from the dense row's mouth be communicated with intake antrum, filters without coarse filter 24.In the process, the dirt in coarse filter 24 intake antrum can be discharged to outside washing machine together along with water, thus can play the effect of clean coarse filter.
Therefore, when conducting three-way device 28 conducting dense row's port A and discharge port C, coarse filter liquid wash road (it is identical with the stream on dense drainage road 60) also can be formed.Clean liquid is pumped into from cylindric washer 12 intake antrum of coarse filter 24, is discharged to outside described washing machine through dense row's mouth of coarse filter 24, dense row's port A and discharge port C of three-way device 28.
In further embodiments, as conducting three-way device 28 conducting dense row's port A and discharge port C, also can form coarse filter air purge stream, the clean air after clean coarse filter 24 is discharged into outside described washing machine.Fig. 5 is the schematic diagram on the dense drainage road of washing machine according to an embodiment of the invention, wherein shows coarse filter air purge stream 70 with heavy line.In coarse filter air purge stream 70, clean air is pumped into the water chamber of coarse filter 24 by air pump 32, is discharged into outside washing machine successively through dense row's port A and discharge port C of dense comb 16, three-way device 28.
In addition, in some embodiments of the invention, three-way device 28 can be further configured to all of the port controllably turning off three-way device 28, to form water purification wash road.
Fig. 6 is the water purification wash road schematic diagram of washing machine according to an embodiment of the invention.In water purification wash road 80, washings are pumped into the intake antrum of coarse filter 24 from cylindric washer 12, successively through the water chamber of coarse filter 24, the product mouth of a river of fine filter 26, the inlet channel 14 of cylindric washer 12, get back in cylindric washer 12 at the double-filtration Posterior circle through coarse filter 24 and fine filter 26 and reuse.
So far, those skilled in the art will recognize that, although multiple exemplary embodiment of the present invention is illustrate and described herein detailed, but, without departing from the spirit and scope of the present invention, still can directly determine or derive other modification many or amendment of meeting the principle of the invention according to content disclosed by the invention.Therefore, scope of the present invention should be understood and regard as and cover all these other modification or amendments.
Claims (10)
1. a washing machine, comprising:
Filter assemblies, the water be configured to discharging in the cylindric washer from described washing machine filters, and reuses to loop back in described cylindric washer; With
Three-way device, has the clean port and dense row's port that flow into for fluid, and by the discharge port of washing machine described in fluid expulsion; Wherein
Described three-way device is configured to:
Controllably be turned on or off described clean port and described discharge port, to form clean stream when described clean port and described discharge port conducting, is discharged into outside described washing machine by the cleaning fluid after clean described filter assemblies; And
Controllably be turned on or off described dense row's port and described discharge port, to form dense drainage road when described dense row's port and described discharge port conducting, is discharged into outside described washing machine by washings in the cylindric washer from described washing machine.
2. washing machine according to claim 1, wherein
The described discharge port of described three-way device is communicated with described cylindric washer by connecting pipe, to balance the air pressure between described three-way device and cylindric washer when draining.
3. washing machine according to claim 1, wherein
Described filter assemblies comprises coarse filter and is positioned at the fine filter in described coarse filter downstream,
The entrance of the intake antrum of described coarse filter is communicated to the draining delivery side of pump of described washing machine,
Dense row's mouth of the intake antrum of described coarse filter is communicated to dense row's port of described three-way device,
The outlet of the water chamber of described coarse filter to the entrance of described fine filter, and
The sewage draining exit of described fine filter is communicated to the clean port of described three-way device.
4. washing machine according to claim 3, wherein
Described clean stream comprises the fine filter liquid wash road utilizing clean liquid to clean described fine filter as cleaning fluid, in described fine filter liquid wash road, clean liquid is pumped into the intake antrum of described coarse filter from described cylindric washer, is discharged to outside described washing machine successively through the sewage draining exit of the water chamber of described coarse filter, described fine filter, the clean port of described three-way device and discharge port.
5. washing machine according to claim 4, wherein
Described washing machine also comprises air pump, and the gas outlet of described air pump is communicated with the entrance of the water chamber of described coarse filter;
Described clean stream also comprises the fine filter air purge stream utilizing clean air as cleaning fluid, described fine filter to be carried out to air purge, in described fine filter air purge stream, clean air delivers to the water chamber of described coarse filter by described air pump, is discharged to outside described washing machine successively through the sewage draining exit of the water chamber of described coarse filter, described fine filter, the clean port of described three-way device and discharge port.
6. washing machine according to claim 5, wherein
Described washing machine also comprises dense comb, and the entrance of described dense comb is communicated to dense row's mouth of the intake antrum of described coarse filter, and the outlet of described dense comb is to described dense row's port; And
In described dense drainage road, washings are pumped into the intake antrum of described coarse filter from described cylindric washer, are discharged to outside described washing machine successively through dense row's port of described dense comb, described three-way device and discharge port.
7. washing machine according to claim 6, wherein
Described three-way device, controllably described in conducting when dense row's port and described discharge port, also can form coarse filter liquid wash road or coarse filter air purge stream, is discharged into outside described washing machine by the cleaning fluid after clean described coarse filter respectively.
8. washing machine according to claim 3, wherein
The product mouth of a river of described fine filter is communicated to the inlet channel of described cylindric washer;
Described three-way device is further configured to: all of the port controllably turning off described three-way device, to form water purification wash road, in described water purification wash road, washings are pumped into the intake antrum of described coarse filter from described cylindric washer, successively through the inlet channel of the water chamber of described coarse filter, described fine filter, described cylindric washer, get back in described cylindric washer at the double-filtration Posterior circle through described coarse filter and described fine filter and reuse.
9. washing machine according to claim 1, wherein
Described three-way device is Electrocontrolled tee valve.
10. washing machine according to claim 1, wherein
Described three-way device is also configured to turn off other ports when conducting two ports.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410488182.1A CN105442274B (en) | 2014-09-22 | 2014-09-22 | Washing machine |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410488182.1A CN105442274B (en) | 2014-09-22 | 2014-09-22 | Washing machine |
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| CN105442274A true CN105442274A (en) | 2016-03-30 |
| CN105442274B CN105442274B (en) | 2019-02-19 |
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| CN201390906Y (en) * | 2009-03-13 | 2010-01-27 | 周晓光 | Circulating water-saving washing machine |
| EP2455533A1 (en) * | 2010-11-22 | 2012-05-23 | Electrolux Home Products Corporation N.V. | Method of operating a washing machine and washing machine |
| CN103343439A (en) * | 2013-07-10 | 2013-10-09 | 合肥荣事达三洋电器股份有限公司 | Washing machine with circulating water filtering system |
| CN103835095A (en) * | 2012-11-26 | 2014-06-04 | 海尔集团技术研发中心 | Clothes washing water recycling device, washing method thereof and water-saving clothes washing control method |
| CN104342887A (en) * | 2013-07-26 | 2015-02-11 | 海尔集团技术研发中心 | Washing machine and washing control method |
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2014
- 2014-09-22 CN CN201410488182.1A patent/CN105442274B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201390906Y (en) * | 2009-03-13 | 2010-01-27 | 周晓光 | Circulating water-saving washing machine |
| EP2455533A1 (en) * | 2010-11-22 | 2012-05-23 | Electrolux Home Products Corporation N.V. | Method of operating a washing machine and washing machine |
| CN103835095A (en) * | 2012-11-26 | 2014-06-04 | 海尔集团技术研发中心 | Clothes washing water recycling device, washing method thereof and water-saving clothes washing control method |
| CN103343439A (en) * | 2013-07-10 | 2013-10-09 | 合肥荣事达三洋电器股份有限公司 | Washing machine with circulating water filtering system |
| CN104342887A (en) * | 2013-07-26 | 2015-02-11 | 海尔集团技术研发中心 | Washing machine and washing control method |
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