CN104862926B - Washing machine and control method thereof - Google Patents
Washing machine and control method thereof Download PDFInfo
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- CN104862926B CN104862926B CN201410066770.6A CN201410066770A CN104862926B CN 104862926 B CN104862926 B CN 104862926B CN 201410066770 A CN201410066770 A CN 201410066770A CN 104862926 B CN104862926 B CN 104862926B
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Abstract
The invention provides a washing machine and a control method thereof. The washing machine comprises a washing bucket, a rinse water filtering and circulating pipeline, a control device and a water hardness detection device, wherein the water hardness detection device is configured to detect the hardness index of the rinse water in the washing bucket of the washing machine; the control device is configured to judge whether the hardness index is lower than a preset threshold value; if the hardness index is lower than the preset threshold value, a flowing path between the washing bucket and the rinse water filtering and circulating pipeline is connected; if the hardness index is larger than or equal to the preset threshold value, the flowing path between the washing bucket and the rinse water filtering and circulating pipeline is blocked. According to the washing machine and the control method, whether the rinse water filtering and circulating function of the washing machine is allowed to be started is judged according to the detected hardness index of the rinse water, the life of a filter is effectively prolonged, and higher filtration flux is guaranteed.
Description
Technical field
The present invention relates to washing machine, more particularly to a kind of washing machine with washings filtration cycle function and its control
Method.
Background technology
Workflow when existing conventional washing machine is done washing generally includes into water, washing-drying-draining, repeatedly rinses-get rid of
Dry-draining etc., wherein rinsing is required to consume substantial amounts of clear water every time.Washing rinses used water, is discharged by drainpipe
To washing machine outside environment.Whole washing process water consumption than larger, greatly waste water resource.
In order to reach the purpose of water saving, the washings of washing machine can be carried out at filtration using washings filtration cycle system
Reason, to recycle.In such washings filtration cycle system, filter can be contaminated when filtering, and caused
Filtration flux is gradually reduced with run time, is not only needed to carry out frequently special maintenance cleaning, and is also resulted in filtration
The service life of device shortens.
The content of the invention
Inventors herein have recognized that, affect the filtration flux of filter in washing machine washings filtration cycle system and make
It is that hardness number may be too high sometimes for the washings in washing machine, and Jing is often in such case with a major reason in life-span
Under enable washings filtration cycle system, filter can be caused to be heavily polluted.Especially for for example the present invention in some with
For filtering film component is as the washings filtration cycle system of filter, when the washings of much higher hard are filtered, in water
Calcium, magnesium ion can be deposited in filter membrane surface, and long time integration can have a strong impact on the filtration flux of filter membrane and life-span.
It is an object of the present invention to overcome prior art that there is the washing machine of washings filtration cycle function at least
One defect, there is provided a kind of to extend filter in washings filtration cycle system and be particularly the life-span of filtering film component and ensure
The washing machine of its normal flux.
Another object of the present invention is to provide for a kind of control method for washing machine, so as to extend rinsing water filtration
Filter in the circulatory system（Particularly filtering film component）Life-span and ensure its normal flux.
For this purpose, the invention provides a kind of washing machine, including cylindric washer, washings filtration cycle pipeline and control device.
Especially, the washing machine also includes：
Water hardness detection means, the hardness number of washings in the cylindric washer for being configured to detect the washing machine；And
And
Whether the control device is configured to judge the hardness number less than predetermined threshold；
If the hardness number is less than the predetermined threshold, the cylindric washer is turned on the washings filtration cycle pipe
Stream between road；
If the hardness number is more than or equal to the predetermined threshold, blocks the cylindric washer and follow with the rinsing water filtration
Stream between endless tube road.
Further, the rigidity detection device can be conductivity sensor, with by detect rinsing electrical conductivity of water come
Determine the hardness number of washings.
The washing machine can also further include draining pump, discharge pipe line and the first Electrocontrolled tee valve, wherein described washing
The bottom discharge mouth of cylinder is communicated to the import of first Electrocontrolled tee valve, first Electrocontrolled tee valve via the draining pump
First outlet via the washings filtration cycle pipeline connection to the cylindric washer inlet pipeline, described first automatically controlled three
The second outlet of port valve is communicated to the entrance of the discharge pipe line.
Further, filtering film component, the filtering film component tool can be provided with the washings filtration cycle pipeline
Have：The water inlet of washings is received from the first delivery port of first Electrocontrolled tee valve；Washings output after filtration is arrived
The filtered water outlet of the inlet pipeline of the cylindric washer；Reception carries out the air inlet of the air-flow of air purge to the filtering film component；With
And discharge the cleaning discharge port of the air-flow or liquid that carry out air purge or washing to the filtering film component.
Further, the washing machine may also include air pump, be arranged at the air inlet of the filtering film component, to provide
The air-flow of air purge is carried out to the filtering film component.
Further, the washing machine may also include the second Electrocontrolled tee valve, its first entrance and the filtering film component
Cleaning discharge port connection, the outlet of second entrance and the discharge pipe line, and the outer row of its outlet and the washing machine
Pipeline connection.
Present invention also offers a kind of control method for washing machine, including：
The hardness number of washings in the cylindric washer of the washing machine is detected, and is judged according to the size of the hardness number
Whether filtration cycle reuse is carried out to washings.
Further, the control method may also include：
During the washing machine is in rinse stage, detect that rinsing hardness of water refers in the cylindric washer of the washing machine
Mark；
Judge the hardness number whether less than predetermined threshold；
If the hardness number is less than the predetermined threshold, the washings mistake of the cylindric washer and the washing machine is turned on
Stream between filter circulation line；
If the hardness number is more than or equal to the predetermined threshold, blocks the cylindric washer and follow with the rinsing water filtration
Stream between endless tube road.
Further, the control method may also include：
If the hardness number in the rinse stage is less than the predetermined threshold, terminate in the rinse stage
Afterwards, air purge is carried out to the filtering film component in the washings filtration cycle pipeline, by the cylindric washer after air purge terminates
Washings be pumped into the filtering film component in which is washed, and by after washing washings discharge washing machine；
If the hardness number in the rinse stage is more than or equal to the predetermined threshold, tie in the rinse stage
The discharge pipe line that washings are pumped into the washing machine is discharged washing machine by Shu Hou.
Further, can be after the washings be pumped and discharge washing machine, the washing machine enters the drying dehydration stage.
In the washing machine and control method of the present invention, determine whether to lead by the hardness number of detection washings
Stream between logical cylindric washer and washings filtration cycle pipeline enables the washings filtration cycle function of washing machine, it is to avoid hard
The possibility that high washings cause severe contamination to filter is spent, filter life is effectively extended and to ensure which has higher
Filtration flux.
Additionally, the present invention allows particularly to clean the filter of washings filtration cycle pipeline, further extend
The life-span of filter ensure which has higher filtration flux in washing machine of the present invention.
According to the detailed description below in conjunction with accompanying drawing to the specific embodiment of the invention, those skilled in the art will be brighter
The above-mentioned and other purposes of the present invention, advantages and features.
Description of the drawings
Describe some specific embodiments of the present invention hereinafter with reference to the accompanying drawings by way of example, and not by way of limitation in detail.
In accompanying drawing, identical reference denotes same or similar part or part.It should be appreciated by those skilled in the art that these
What accompanying drawing was not necessarily drawn to scale.In accompanying drawing：
Fig. 1 is the schematic diagram of washing machine according to an embodiment of the invention；
Fig. 2 is the flow chart of the control method for washing machine according to an embodiment of the invention.
Specific embodiment
Fig. 1 is the schematic diagram of washing machine according to an embodiment of the invention.The washing machine of the present embodiment can be wrapped
Include cylindric washer, draining pump 18, washings filtration cycle pipeline, control device（Not shown in figure）With water hardness detection means 22.
Cylindric washer is generally made up of outer tube 16 and the inner core 14 that can be rotated in outer tube 16.The top of cylindric washer is provided with inlet pipeline 13,
Enter in detergent feeding box 12 via water intaking valve 52 for cleaning the clear water of clothing, and cylindric washer is flowed into by inlet pipeline 13
It is interior.The bottom of outer tube 16 is provided with discharge outlet 17, for the water in cylindric washer is discharged from cylindric washer.In some realities of the present invention
Apply in example, water hardness detection means 22 is provided near discharge outlet 17, washed with detecting during washing machine is in rinse stage
The hardness number of washings in clothing machine cylindric washer.Preferably, water hardness detection means 22 may be provided at 16 bottom discharge mouth of outer tube
In recess at 17.In one embodiment, water hardness detection means 22 can be conductivity sensor, with by detecting washings
Electrical conductivity determining the hardness number of washings.
In one embodiment, washing machine of the invention may also include the first control valve 54, flow into draining pump for changing
The flow direction of the washings of 18 outlet pipeline 15.First control valve 54 can be the electrically-controlled valve with least three ports, such as Fig. 1
The first Electrocontrolled tee valve with an import and two outlets for illustrating.The bottom discharge mouth 17 of cylindric washer is via draining pump 18
It is communicated to the import of the first control valve 54, the first outlet of the first control valve 54 is via washings filtration cycle pipeline connection to washing
Wash the inlet pipeline 13 of cylinder.When the import of the first control valve 54 is connected with its first outlet, cylindric washer and washings can be turned on
Stream between filtration cycle pipeline, makes the washings in cylindric washer be looped back in cylindric washer after filtering and reuses.First control
The second outlet of valve 54 can be communicated to the entrance of discharge pipe line 42, when the import of the first control valve 54 is connected with its second outlet
When, the stream between cylindric washer and washings filtration cycle pipeline can be blocked, the washings in cylindric washer are via discharge pipe line 42
Discharge washing machine.
In some embodiments of the invention, as needed the first control valve 54 can be configured to wash according in washing machine
Import and first outlet or second outlet are controllably turned on by the predetermined control program of cylinder each workflow.Such as this area skill
Art personnel will be recognized that, in an embodiment of the present invention, the first control valve 54 is preferably configured to when two ports are turned on
Turn off other ports.For example in the rinsing program of washing machine, when washings in the cylindric washer of the detection of water hardness detection means 22
Hardness number when being less than predetermined threshold, import and the first outlet of the first control valve 54 can be turned on by control device, make washing
Washings in cylinder are looped back in cylindric washer after filtering and are reused；When 22 testing result of water hardness detection means shows washing machine
The hardness number of the washings in cylindric washer be more than or equal to predetermined threshold when, control device can by first control valve 54 import with
First outlet disconnects, and the washings in cylindric washer are filtered in not flowing into washings filtration cycle pipeline, to avoid hardness mistake
High washings cause severe contamination to filter.Again for example in the washing procedure of washing machine, control device can be by the first control
The import of valve processed 54 is disconnected with first outlet, and the washings in cylindric washer were without carrying out in washings filtration cycle pipeline
Filter.And for example in the dehydration procedure of washing machine, the import of the first control valve 54 is turned on by control device with second outlet, cylindric washer
Interior water is pumped in discharge pipe line 42 by draining pump 18, so as to discharge washing machine without filtration.
In the embodiment shown in fig. 1, washings filtration cycle pipeline may include filtered water inlet pipeline 32, filter and
Return line 36.In the embodiment shown in fig. 1, filter is chosen as filtering film component 34.In other alternate embodiments
In, filter can also use other appropriate filters, or be in series by two or more filters.
As those skilled in the art are known, the filter filtered to fluid typically all includes that water inlet and drainage go out
Mouthful, wherein water inlet is to receive the fluid of inflow filter, and filtered water outlet is flowed out from filter for the fluid after filtration.
The not only above-mentioned setting with general filter of the filtering film component 34 of the present invention, and which is also especially provided with cleaning discharge
Mouthful, to carry out the fluid that air purge or liquid are washed to filter in filter（Including liquid and/or gas）Can be without
Filter is just directly flowed out from cleaning discharge port.The filtering film component 34 of the embodiment of the present invention is additionally provided with air inlet, to receive to mistake
Filter membrane component 34 carries out the air-flow of air purge.
Further, as shown in figure 1, the water inlet of filtering film component 34 can be communicated to the first control through filter influent pipeline 32
The first outlet of valve processed 54, to receive the washings that draining pump 18 is pumped out from cylindric washer；The drainage of filtering film component 34 goes out
Mouthful can Jing return lines 36 be communicated to the inlet pipeline 13 of cylindric washer, the water after filtering film component 34 is filtered returns to washing
In cylinder.In one embodiment, washing machine of the invention may also include air pump 38, and air pump 38 may be provided at filtering film component 34
At air inlet.Air pump 38 can be configured to the air inlet pumping air-flow to filtering film component 34, so as to carry out to filtering film component 34
Air purge.
Especially, the embodiment of the present invention can also be including the second control valve 56, for the pipeline of washing machine internal and washing
Outer row pipeline 44 outside clothing machine is turned on, so that the water in washing machine is drained into outside washing machine.Second control valve 56 can be with
The electrically-controlled valve of at least three ports, such as the with first entrance, second entrance and outlet second automatically controlled threeway shown in Fig. 1
Valve.The outlet of the second control valve 56 is connected with the outer row pipeline 44 of washing machine, and the first entrance of the second control valve 56 can be with filter membrane
The cleaning discharge port connection of component 34, directly flows out from cleaning discharge port will to carry out the fluid that air purge or liquid washes to filter
To washing machine.In one embodiment, the second entrance of the second control valve 56 can be used with the outlet of discharge pipe line 42
In filtered washings or washings are immediately discharged to outside washing machine from discharge pipe line 42.
In certain embodiments, control device can be according to the predetermined control journey of each workflow of cylindric washer in washing machine
Sequence, controllably by the first control valve 54 and the port on and off of the second control valve 56.For example when using cleaning fluid to mistake
When filter membrane component 34 carries out air purge or liquid is washed, control device can be by the first outlet of the first control valve 54 and the second control valve 56
Second entrance is closed, while by the first entrance of the second control valve 56 and outlet conducting, by cleaning fluid via washing machine
Outer row pipeline 44 is discharged into outside washing machine.Again for example in the rinsing program of washing machine, when the detection of water hardness detection means 22
When in cylindric washer, the hardness number of washings is less than predetermined threshold, the import of the first control valve 54 can be gone out by control device with first
Mouth conducting, while the first entrance of the second outlet of the first control valve 54 and the second control valve 56 is closed, so that washings Jing
Filter Posterior circle to return in cylindric washer；When 22 testing result of water hardness detection means shows the washings in the cylindric washer of washing machine
When hardness number is more than or equal to predetermined threshold, the import of the first control valve 54 is closed by control device, the washings in cylindric washer
Without filtration.And work as after rinsing terminates, the import of the first control valve 54 is turned on by control device with second outlet, while by the
Washings are discharged washing machine by the second entrance of two control valves 56 and outlet conducting.
One laundry workflow of the washing machine of the embodiment of the present invention may include：Running water is entered from inlet pipeline 13 and is washed
In the cylindric washer of clothing machine, clothing therein is washed, after washing terminates, the washings Jing drainings in cylindric washer dry heel row
Go out washing machine.Then running water is introduced in cylindric washer again, the clothing after washing is rinsed.Can carry out necessarily in rinsing
The hardness number of the washings in cylindric washer is detected after time, judges whether to enter washings according to the hardness number size of detection
Row filtration cycle is reused（Here the washings in " filtration cycle reuse " i.e. cylindric washer mistake in washings filtration cycle pipeline
Filter Posterior circle is returned in cylindric washer and is reused）.
Fig. 2 is the flow chart of the water-saving method for washing machine according to an embodiment of the invention.The laundry of the present invention
Machine water-saving method may include steps of：
Step S202：Washing machine enters rinse stage.
Step S204：The hardness number of washings in detection cylindric washer.In this step, water hardness detection means can be adopted
The hardness number of washings in 22 detection washing of drum type washing machine cylinders.In one embodiment, water hardness detection means 22 can be conductance
Rate sensor, determines the hardness number of washings with by detecting rinsing electrical conductivity of water.
Step S206：Whether hardness number is judged less than predetermined threshold according to 22 testing result of water hardness detection means, if
It is, execution step S212；If it is not, step performs S208.
Step S208：Washings are maintained in cylindric washer and are rinsed.That is rinse stage washings are without filtering film component
34 filter.Now, the first control valve 54 cuts out by control device, outlet pipeline 15 and the washings filtration cycle pipe of draining pump 18
Block between road, washing machine completes rinsing with the washings in the cylindric washer during the rinse stage always.Rinsing rank
After section terminates, execution step S210.
Step S210：After rinse stage terminates, the washings in cylindric washer are discharged into washing machine.Now, control device will
The import of the first control valve 54 is turned on second outlet, while by the second entrance of the second control valve 56 and outlet conducting, will drift
Washing water discharge is to outside washing machine.
In one embodiment, if a rinse stage is not by clothing rinsed clean, after execution step S210, control
Device processed can make washing machine enter the water smoking, then execution step S202, into next rinse stage.
Step S212：Washings in cylindric washer are introduced in filtering film component 34 and are filtered, then loop back weight in cylindric washer
With.In this step, the import of the first control valve 54 is turned on by control device with first outlet, simultaneously closes off its second outlet,
Now draining pump 18 is started working, and the washings in cylindric washer are filtered in being pumped to filtering film component 34, the washings after filtration
Loop back.
Step S214：After rinse stage terminates, air purge is carried out to filtering film component 34.In this step, control device will
The first outlet of the first control valve 54 is closed, while the first entrance for controlling valve 56 by second and outlet.Open air pump 38
Air-flow is pumped in the air inlet of filtering film component 34.Flow out simultaneously into the air-flow in filtering film component 34 from its cleaning discharge port
Washing machine is discharged via the outer row pipeline 44 of washing machine.
Step S216：Filtering film component 34 is washed with the washings in cylindric washer, and by the washings after washing
Discharge washing machine.In this embodiment, after rinsing terminates, the washings in cylindric washer are relative cleans, and now, air pump 38 is closed
Close, the import of the first control valve 54 is connected with first outlet, and second controls the first entrance of valve 56 and outlet, draining pump 18
Work, the washings in cylindric washer are washed to which in being pumped to filtering film component 34, the water after washing via washing machine outside
Row pipeline 44 discharges washing machine.
Step S218：Washing machine enters the water smoking.In step, control device is by the import and the of the first control valve 54
Two outlets, while the second entrance for controlling valve 56 by second and outlet.Draining pump 18 works, the rinsing in cylindric washer
Water Jing second controls valve 56 and the outer row pipeline 44 of washing machine discharges washing machine.
After dehydration terminates, then clothes washing process is completed.For the washing machine for possessing drying function, can be in the water smoking
Afterwards, drying and processing is carried out to clothing.
So far, although those skilled in the art will appreciate that detailed herein illustrate and describe multiple showing for the present invention
Example property embodiment, but, without departing from the spirit and scope of the present invention, still can be direct according to present disclosure
It is determined that or deriving many other variations or modifications for meeting the principle of the invention.Therefore, the scope of the present invention is understood that and recognizes
It is set to and covers all these other variations or modifications.
Claims (10)
1. a kind of washing machine, including cylindric washer, washings filtration cycle pipeline and control device, it is characterised in that also include：
Water hardness detection means, the hardness number of washings in the cylindric washer for being configured to detect the washing machine；And
Whether the control device is configured to judge the hardness number less than predetermined threshold；
If the hardness number be less than the predetermined threshold, turn on the cylindric washer and the washings filtration cycle pipeline it
Between stream；
If the hardness number is more than or equal to the predetermined threshold, the cylindric washer is blocked with the washings filtration cycle pipe
Stream between road.
2. washing machine according to claim 1, it is characterised in that
The rigidity detection device is conductivity sensor, determines rinsing hardness of water with by detecting rinsing electrical conductivity of water
Index.
3. washing machine according to claim 1, it is characterised in that also include：
Draining pump, discharge pipe line and the first Electrocontrolled tee valve, wherein
The bottom discharge mouth of the cylindric washer is communicated to the import of first Electrocontrolled tee valve via the draining pump,
The first outlet of first Electrocontrolled tee valve is via the washings filtration cycle pipeline connection to the cylindric washer
Inlet pipeline,
The second outlet of first Electrocontrolled tee valve is communicated to the entrance of the discharge pipe line.
4. washing machine according to claim 3, it is characterised in that
Filtering film component is provided with the washings filtration cycle pipeline, and the filtering film component has：
The water inlet of washings is received from the first outlet of first Electrocontrolled tee valve；
By the filtered water outlet of the washings output after filtration to the inlet pipeline of the cylindric washer；
Reception carries out the air inlet of the air-flow of air purge to the filtering film component；And
Discharge carries out the cleaning discharge port of the air-flow that air purge or liquid washes or liquid to the filtering film component.
5. washing machine according to claim 4, it is characterised in that further include:
Air pump, is arranged at the air inlet of the filtering film component, to provide the air-flow for carrying out air purge to the filtering film component.
6. washing machine according to claim 4, it is characterised in that further include:
Second Electrocontrolled tee valve, its first entrance are connected with the cleaning discharge port of the filtering film component, second entrance with it is described
The outlet of discharge pipe line, and its outlet is connected with the outer row pipeline of the washing machine.
7. a kind of control method for washing machine, it is characterised in that include：
The hardness number of washings in the cylindric washer of the washing machine is detected, and is judged whether according to the size of the hardness number
Filtration cycle reuse is carried out to the washings.
8. control method according to claim 7, it is characterised in that further include：
During the washing machine is in rinse stage, the hardness number of washings in the cylindric washer of the washing machine is detected；
Judge the hardness number whether less than predetermined threshold；
If the hardness number is less than the predetermined threshold, the rinsing water filtration for turning on the cylindric washer with the washing machine is followed
Stream between endless tube road；
If the hardness number is more than or equal to the predetermined threshold, the cylindric washer is blocked with the washings filtration cycle pipe
Stream between road.
9. control method according to claim 8, it is characterised in that further include：
If the hardness number in the rinse stage is less than the predetermined threshold, after the rinse stage terminates, right
Filtering film component in the washings filtration cycle pipeline carries out air purge, by the rinsing in the cylindric washer after air purge terminates
Water pump is washed to which in being sent to the filtering film component, and the washings after washing are discharged washing machine；
If the hardness number in the rinse stage is more than or equal to the predetermined threshold, terminate in the rinse stage
Afterwards, the discharge pipe line that washings are pumped into the washing machine is discharged into washing machine.
10. control method according to claim 9, it is characterised in that
After the washings are pumped and discharge washing machine, the washing machine enters the drying dehydration stage.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410066770.6A CN104862926B (en) | 2014-02-26 | 2014-02-26 | Washing machine and control method thereof |
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| CN201410066770.6A CN104862926B (en) | 2014-02-26 | 2014-02-26 | Washing machine and control method thereof |
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| CN104862926A CN104862926A (en) | 2015-08-26 |
| CN104862926B true CN104862926B (en) | 2017-03-22 |
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Families Citing this family (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6634598B2 (en) * | 2016-03-10 | 2020-01-22 | パナソニックＩｐマネジメント株式会社 | Washing machine |
| CN109923260B (en) * | 2016-11-11 | 2021-05-28 | 松下知识产权经营株式会社 | Washing machine |
| JP6917539B2 (en) * | 2016-11-11 | 2021-08-11 | パナソニックＩｐマネジメント株式会社 | washing machine |
| CN108265464A (en) * | 2016-12-30 | 2018-07-10 | 青岛海尔洗衣机有限公司 | A kind of automatically cleaning roller washing machine and self cleaning method |
| JP6964214B2 (en) * | 2017-03-15 | 2021-11-10 | パナソニックＩｐマネジメント株式会社 | Washing machine |
| CN106939501B (en) * | 2017-04-17 | 2021-07-02 | 天津衣联网生态科技有限公司 | Water purification system for washing machine |
| CN106948136B (en) * | 2017-04-17 | 2021-10-29 | 青岛海尔洗涤电器有限公司 | Water purification system for washing machine |
| CN109306605B (en) * | 2017-07-27 | 2020-12-18 | 青岛海尔滚筒洗衣机有限公司 | Washing machine water purification system and washing machine |
| CN110438729B (en) * | 2018-05-04 | 2022-03-01 | 青岛海尔洗衣机有限公司 | Washing machine and control method thereof |
| CN113622133B (en) * | 2020-05-08 | 2023-11-07 | 云米互联科技(广东)有限公司 | Method and system for detecting TOC of inflow water, storage medium and washing machine |
| CN113832650B (en) * | 2020-06-08 | 2023-09-05 | 云米互联科技(广东)有限公司 | Drainage control method and system, storage medium and washing device |
| CN115613274A (en) * | 2021-07-13 | 2023-01-17 | 青岛海尔洗衣机有限公司 | Control method of washing machine and washing machine |
| CN116005420A (en) * | 2021-10-21 | 2023-04-25 | 青岛海尔洗衣机有限公司 | Washing machine and control method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201390906Y (en) * | 2009-03-13 | 2010-01-27 | 周晓光 | Circulating water-saving washing machine |
| CN202247414U (en) * | 2011-08-09 | 2012-05-30 | 海尔集团公司 | Self-cleaning filter for washing machine capable of circularly washing and washing machine thereof |
| CN103361938B (en) * | 2012-03-26 | 2016-05-25 | 海尔集团技术研发中心 | Water treatment facilities, processing method and washing machine in a kind of washing machine |
| CN202860901U (en) * | 2012-09-28 | 2013-04-10 | 陶氏环球技术有限责任公司 | Washing machine comprising integrated filter module and air charging device |
| CN103556435B (en) * | 2013-11-07 | 2015-07-15 | 乐金电子研发中心(上海)有限公司 | Water recycling washing machine and washing method |
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