CN104674519A - Washing machine and washing control method - Google Patents

Washing machine and washing control method Download PDF

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Publication number
CN104674519A
CN104674519A CN201310633502.3A CN201310633502A CN104674519A CN 104674519 A CN104674519 A CN 104674519A CN 201310633502 A CN201310633502 A CN 201310633502A CN 104674519 A CN104674519 A CN 104674519A
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CN
China
Prior art keywords
water
filter assemblies
washing machine
smart filter
delivery port
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN201310633502.3A
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Chinese (zh)
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CN104674519B (en
Inventor
劳春峰
王春旭
郝世龙
刘立田
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Haier Group Corp
Haier Group Technology Research and Development Center
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Haier Group Corp
Haier Group Technology Research and Development Center
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Priority to CN201310633502.3A priority Critical patent/CN104674519B/en
Publication of CN104674519A publication Critical patent/CN104674519A/en
Application granted granted Critical
Publication of CN104674519B publication Critical patent/CN104674519B/en
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Classifications

    • DTEXTILES; PAPER
    • D06TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06FLAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F39/00Details of washing machines not specific to a single type of machines covered by groups D06F9/00 - D06F27/00 
    • D06F39/10Filtering arrangements
    • DTEXTILES; PAPER
    • D06TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06FLAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F33/00Control of operations performed in washing machines or washer-dryers 
    • DTEXTILES; PAPER
    • D06TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06FLAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F39/00Details of washing machines not specific to a single type of machines covered by groups D06F9/00 - D06F27/00 
    • D06F39/08Liquid supply or discharge arrangements
    • D06F39/083Liquid discharge or recirculation arrangements
    • DTEXTILES; PAPER
    • D06TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06FLAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F39/00Details of washing machines not specific to a single type of machines covered by groups D06F9/00 - D06F27/00 
    • D06F39/08Liquid supply or discharge arrangements
    • D06F39/088Liquid supply arrangements

Abstract

The invention relates to a washing machine and a washing control method. A draining port and a water inlet are formed in a washing barrel and are communicated through a circulating pipe, a pre-filtering module and a fine filtering module are connected to the circulating pipe, the fine filtering module is provided with a first water outlet and a second water outlet, filtered liquid in the fine filtering module is drained from the first water outlet, the fine filtering module is connected with the water inlet of the washing barrel, and non-filtered liquid is drained out of the second water outlet and returns to the fine filtering module. The recovered water purifying efficiency can be improved while the layout structure of the washing machine is optimized, drained water of the washing machine can be filtered by the filtering modules in the purifying process by utilizing a high-speed cross flow filtration principle, the pollution speed of a filtering membrane is reduced, flux of the filtering membrane is improved, and the service life of the filtering membrane is prolonged.

Description

A kind of washing machine and control method for washing
Technical field
The present invention relates to laundry technology, particularly relate to a kind of washing machine and control method for washing thereof.
Background technology
Traditional use in washing machine water washing clothing, all being discharged by washings after washing terminates, then refill clean water and carry out rinsing to clothing, is also all that washings are emitted the clean water that reinjects after each rinsing, and whole washing process water consumption is comparatively large, and waste is serious.
At present, in washing machine technology field, improved the degree of purification of recycle-water by various mode, such as, use the auxiliary device such as large-scale water treatment facilities, ozone generator, electrolysis to carry out purification utilization to laundry water, this mode takies larger arrangement space, and cost of water treatment is higher.In addition, in rotary drum washing machine, adopt line to consider to be worth doing collect filter bag, labor cleaning's line is considered to be worth doing, adopts draining pump pump head to retain large the end of a thread in roller washing machine, and laundry water discharges, and this mode filter effect is poor, does not substantially retain line bits.Also have use reverse osmosis filter to carry out purification to waste water to use, this mode needs to use high-pressure pump, and purification produces water speed slowly, and the water yield cannot ensure the user demand of washing machine, and cost is high simultaneously.
Secondly, when purifier filters the line bits of discharging in water and mud colloid etc., the dirts filtered out etc. can pollute filter medium, because washing machine is inconvenient to adopt Chemical cleaning filter medium, the surface being accumulated in filter medium for a long time can form filter cake, causes larger dirt to block up to filter medium.So in the process to discharge Water warfare, it is very important for how reducing the pollution of dirt to filter medium, and artificial filter medium is cleared up, not only bring inconvenience to life, and reduce practical value and the market value of washing machine.So, how to develop to promote and discharge Water warfare efficiency, and realize having great importance to the washing machine of filter automated cleaning.
Summary of the invention
In order to realize object of the present invention, the technical scheme of employing is:
A kind of washing machine, it is characterized in that, cylindric washer is provided with water discharge outlet and water inlet, water discharge outlet is communicated with by circulation line with water inlet, described circulation line is connected with pre-filtering assembly and smart filter assemblies, described smart filter assemblies is provided with the first delivery port and the second delivery port, in smart filter assemblies, filtered liquid is discharged from the first delivery port and is connected with the water inlet of cylindric washer, and the liquid of filtered is discharged from the second delivery port and is back to smart filter assemblies.
Further, described smart filter assemblies is cylindrical filter device, comprises housing and is arranged on the filter membrane that enclosure interior is column.
Further, the housing of described smart filter assemblies is provided with the second delivery port, the housing of smart filter assemblies or the circulation line between smart filter assemblies and cylindric washer water discharge outlet arrange inlet, and described liquid outlet is connected by return line with inlet.
Further, the second described delivery port is arranged on the top of smart filter assemblies housing sidewall, and described inlet is arranged on the bottom of smart filter assemblies housing sidewall.
Further, the circulation line between described smart filter assemblies and cylindric washer water discharge outlet is provided with draining pump.
Further, described inlet is arranged on the water inlet end circulation line of draining pump.
Further, described return line is provided with check valve.
Further, the described water inlet of pre-filtering assembly is connected with the water discharge outlet of cylindric washer, and the delivery port of pre-filtering assembly is connected with the water inlet of smart filter assemblies, and the first delivery port of smart filter assemblies is connected with the water inlet of cylindric washer.
A kind of control method for washing of washing machine, it is characterized in that, discharge water in cylindric washer is filtered by pre-filtering assembly and smart filter assemblies successively, enter in cylindric washer, meanwhile in fine filtering apparatus, the discharge water of filtered enters draining pump water inlet end circulation line by return line and returns in smart filter assemblies again.
Further, in described smart filter assemblies, the discharge water of filtered flow rates in return line is 0.4-5m/s.
Below technical scheme of the present invention is made further explanation.
The first object of the present invention is to propose a kind of washing machine.
Washing machine of the present invention can also promote recycle-water purification efficiency while optimization washing machine layout structure, and can reduce the pollution speed of pollutant to filter membrane, improves the flux of filter membrane, extends the life-span of film.
Washing machine of the present invention is connected with circulation line on cylindric washer, circulation line is connected with pre-filtering assembly and smart filter assemblies, pre-filtering assembly can be used for filtering line bits and larger particles, and smart filter assemblies can be used for filtering comparatively granule, soluble soil etc.Along with the accumulation in smart filter assemblies of dirt, dirt can form filter cake on the surface of filter membrane, causes " extremely filtering ", not only reduces the filter effect of washings, and reduce the operating efficiency of washing machine.The present invention utilizes cross-flow filtration principle, smart filter assemblies is provided with two delivery ports, namely, first delivery port and the second delivery port, first delivery port is used for filtered discharge water to flow in cylindric washer, second delivery port is used for the discharge water of filtered to discharge to be back in smart filter assemblies again, thus make the filter membrane surface of smart filter assemblies form the current being parallel to film surface, thus the dirt being deposited in filter membrane surface can be loosened, make the filtrate of filter membrane surface remain on a lower degree, and then reduce the speed that filter membrane pollutes.
Pre-filtering assembly of the present invention and smart filter assemblies are connected in turn on the circulation line of cylindric washer, water purification efficiency is discharged for improving, draining pump is provided with between cylindric washer and pre-filtering assembly, discharge water first through draining pump, entered pre-filtering assembly again, essence filter assemblies, is finally back in cylindric washer after filtering.
Smart filter assemblies of the present invention is the filter of column structure, comprises housing, and is arranged on the filter membrane in housing, and filter membrane is column structure, preferred column structure.The housing of smart filter assemblies is provided with the second delivery port that the discharge water of filtered membrane filtration is discharged, discharge water and be back to its recirculated upstream pipeline along the path parallel with filter membrane along return line, inlet can be arranged on the shell of smart filter assemblies, such discharge water is back to smart filter assemblies from the second delivery port along return line by inlet, such structure makes the discharge water in smart filter assemblies form the current parallel with filter membrane, be equivalent to form on film surface the power that one is parallel to filter membrane, thus the dirt of filter membrane surface can be made to remain on a lower level, preferably, inlet is arranged on the circulation line between draining pump and cylindric washer, inlet is connected by return line with the second delivery port, reach according to cross-flow principle and reduce the object that filter membrane pollutes speed.
Filter membrane in smart filter assemblies cleans according to cross-flow filtration principle by the present invention, if cross-flow velocity is lower, the current that filter membrane surface flows cannot loosen the dirt be deposited on filter membrane, and " extremely filtering " phenomenon still cannot change.So in the present invention, the speed of discharging water be improved in return line, so not only can increase the flow intensity of filter membrane surface, to reach good cleaning purpose, and improve the filter efficiency of device on the whole.
The second object of the present invention is to propose a kind of control method for washing.
Control method for washing of the present invention comprises: when washing machine enters in water purification filter process, draining pump is opened, discharge water in cylindric washer enters in pre-filtering assembly through draining pump, after the large particulate matters such as pre-filtering assembly removing line bits, the discharge moisture entered in smart filter assemblies becomes two-way, one tunnel flows in cylindric washer through filter membrane filtration, purification, part water edge in filter membrane passage is parallel to direction second delivery port of filter membrane surface, return line flows into the water inlet end pipeline of draining pump, again through pre-filtering assembly, essence filter assemblies filters, whole process is all wrong flows through journey.
Control method for washing of the present invention not only makes the discharge water in cylindric washer obtain purification, and utilizes cross-flow filtration principle to reduce the pollution speed of filter membrane.In the process, water velocity in return line should be greater than water velocity in smart filter assemblies, and such speed difference can make the pollutant in filter membrane be cleaned timely, improves filter efficiency, in the present invention, the water velocity scope of return line is 0.4-5m/s, preferred 0.4-3m/s.High speed cross-flow filtration form is all adopted in whole filtration cycle process of the present invention, higher cross-flow velocity increases the flow intensity of filter membrane surface, and increase the shearing force being parallel to filter membrane surface, be parallel to filter membrane surface shearing force and can loosen the filtrate be deposited on filter membrane, break the phenomenon that filter membrane surface " is extremely filtered ", thus increase the flux of filter membrane.
Accompanying drawing explanation
Fig. 1 is the structural representation of washing machine in the embodiment of the present invention;
Fig. 2 is the structural representation of smart filter assemblies in the embodiment of the present invention;
Main element illustrates:
1-cylindric washer, 2-draining pump, 3-pre-filtering assembly, 4-essence filter assemblies, 41-housing, 42-filter membrane, 5-return line, 6-first delivery port, 7-check valve, 8-second delivery port, 9-water discharge outlet, 10-water inlet, 11-inlet.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the invention will be further described, but not as a limitation of the invention.
As shown in Figure 1, a kind of washing machine, its cylindric washer 1 is provided with water discharge outlet 9 and water inlet 10, water discharge outlet 9 and water inlet 10, be communicated with by circulation line, circulation line is provided with pre-filtering assembly 3 and smart filter assemblies 4, smart filter assemblies 4 is provided with the first delivery port 6 and the second delivery port 8, first delivery port 6 is discharged for the liquid filtered through smart filter assemblies 4 and is entered in cylindric washer 1, and the second delivery port 8 is for discharging unfiltered liquid.The water inlet of pre-filtering assembly 3 is connected with the water discharge outlet 9 of cylindric washer 1, and the delivery port of pre-filtering assembly 3 is connected with the water inlet of smart filter assemblies 4, and the first delivery port 6 of smart filter assemblies 4 is connected with the water inlet 10 of cylindric washer 1.For improving the conevying efficiency of discharging water, between pre-filtering assembly 3 and cylindric washer 1, be provided with draining pump 2.Pre-filtering assembly 3 and smart filter assemblies 4 are for filtering the discharge water of cylindric washer 1, and pre-filtering assembly 3 can be used for filtering line bits and larger particles, and smart filter assemblies 4 can be used for filtering comparatively granule, soluble soil etc.Along with the accumulation in smart filter assemblies 4 of dirt, dirt can form filter cake on the surface of filter membrane 42, causes " extremely filtering " phenomenon, causes larger blocking to filter membrane 42.For avoiding the generation of above phenomenon, unfiltered discharge water is discharged and is back in smart filter assemblies 4 by the second delivery port 8 of smart filter assemblies 4, utilizes cross-flow filtration principle to make the dirt on filter membrane 42 remain on a lower level.
As shown in Figure 2, smart filter assemblies 4 described in the present embodiment is column structure, comprise a housing 41, with the filter membrane 42 be arranged in housing 41, filter membrane 42 is in cylindric, the shell 41 of smart filter assemblies 4 arranges the second delivery port 8, and return line 5 one end is connected with the second delivery port 8, and the other end is communicated with the inlet 11 of the shell 41 of smart filter assemblies 4.In filter process, in essence filter assemblies 4, the discharge water of filtered is back in smart filter assemblies 4 by the second delivery port 8 along return line 5, now just can form the current parallel with filter membrane 42 surface in smart filter assemblies 4, namely, form the current with cylindrical filter membrane 42 axis being parallel, thus form the phenomenon of cross-flow filtration, in this device, the second delivery port is arranged on the top of smart filter assemblies 4 housing 41 sidewall, inlet 11 is arranged on the bottom of housing 41 sidewall, make to keep larger distance between the second delivery port 8 and inlet 11 as far as possible, like this filter membrane 42 in fine filtering apparatus 4 can be made to form cross-flow phenomenon compared with large regions on the surface.Preferably, inlet 11 is arranged on the circulation line of draining pump 2 water inlet end, is connected by the second delivery port 8, return line 5 arranges check valve 8 with inlet 11 return line 5, makes the discharge water of filtered carry out secondary filter.Above two kinds of modes all can make to form the current parallel with filter membrane in smart filter assemblies 4, be equivalent to the shear force that applying one is parallel with filter membrane 42 surface, the dirt on filter membrane 42 surface is made to remain on a lower level, and then reduce the pollution speed of filter membrane 42, improve the flux of filter membrane 42, extend the life-span of filter membrane 42.
When washing machine enters in water purification filter rinse cycle, opening water discharge pump 2, open check valve 8, discharge water in cylindric washer 1 enters in pre-filtering assembly 3 through draining pump 2, after pre-filtering assembly 3 goes out line bits and the large particulate matter such as dirt, enter in smart filter assemblies 4, in smart filter assemblies 4, discharge moisture and become two-way, the filter membrane 42 of one tunnel in smart filter assemblies 4 filters, enter in the cylindric washer 1 of washing machine from the first delivery port 6, filter membrane 42 is piled up the dirt that some are filtered, the second delivery port 8 on another Lu Congjing filter assemblies 4 housing 41, enter in the circulation line of draining pump 2 front end along return line 5, the current parallel with filter membrane 42 are formed in smart filter assemblies 4, dirt on filter membrane 42 is subject to the surperficial shear force being parallel to filter membrane 42, loosen the filtrate that filter membrane 42 is piled up, avoid the generation of " extremely filtering " phenomenon, thus reduce the dirt thickness on filter membrane 42 surface.Owing to flowing through journey whole filter process is all wrong, so make the dirt on filter membrane 42 surface remain on a lower level.For improving the cleannes of filter membrane 42 in smart filter assemblies 4 further, improve water velocity in return line 5, water velocity is 0.4-5m/s, preferred 0.4-3m/s, higher water velocity can improve the surperficial shear force of filter membrane 42, increase the surperficial cross-flow intensity of filter membrane 42, thus make filter membrane 42 surface remain the state relatively loosened, improve the flux of filter membrane 42.
The beneficial effect that the present embodiment brings: 1. this device carries out recycle, structurally, without the need to setting up water tank, Large water treatment equipment etc. to discharge water on the basis not affecting washing machine general layout; 2. this device increases pre-filtering assembly 3 and smart filter assemblies 4 on circulation line, and the discharge water of washing machine is effectively purified; 3. the second delivery port 8 is set on smart filter assemblies 4, is connected to recirculated upstream pipeline by return line 5, to make to form cross-flow phenomenon in smart filter assemblies 4, avoid the generation of " extremely filtering " phenomenon, make the dirt on filter membrane 42 remain on a comparatively low degree; 4. adopt the smart filter assemblies 4 of column, be conducive to the generation of cross-flow phenomenon, thus form the current parallel with filter membrane 42 on the surface of filter membrane 42, reduce the pollution speed of filter membrane 42; 5. improve cross-flow filtration speed, namely improve the speed of current in return line 5, not only can improve filter efficiency, and enhance the flow intensity being parallel to filter membrane 42, and then improve the cleannes of filter membrane 42; 6. the whole filter process of this device is all with high speed cross-flow filtration phenomenon, that is, just can reach the object of cleaning in the process of filtering, and does not need to increase the cleannes that other cleaning device just can keep filter membrane 42.
Embodiment in above-described embodiment can combine further or replace; and embodiment is only be described the preferred embodiments of the present invention; not the spirit and scope of the present invention are limited; under the prerequisite not departing from design philosophy of the present invention; the various changes and modifications that in this area, professional and technical personnel makes technical scheme of the present invention, all belong to protection scope of the present invention.

Claims (10)

1. a washing machine, it is characterized in that, cylindric washer (1) is provided with water discharge outlet (9) and water inlet (10), water discharge outlet (9) is communicated with by circulation line with water inlet (10), described circulation line is connected with pre-filtering assembly (3) and smart filter assemblies (4), described smart filter assemblies (4) is provided with the first delivery port (6) and the second delivery port (8), in essence filter assemblies (4), filtered liquid is discharged from the first delivery port (6) and is connected with the water inlet (10) of cylindric washer (1), the liquid of filtered is discharged from the second delivery port (8) and is back to smart filter assemblies (4).
2. a kind of washing machine according to claim 1, is characterized in that, described smart filter assemblies (4) is cylindrical filter device, comprises housing (41) and is arranged on the filter membrane (42) of housing (41) inside in column.
3. a kind of washing machine according to claim 2, it is characterized in that, the housing (41) of described smart filter assemblies (4) is provided with the second delivery port (8), the housing (41) of smart filter assemblies (4) or the circulation line between smart filter assemblies (4) and cylindric washer (1) water discharge outlet (9) arrange inlet (11), and described liquid outlet (8) is connected by return line (5) with inlet (11).
4. a kind of washing machine according to claim 3, it is characterized in that, described the second delivery port (8) is arranged on the top of smart filter assemblies (4) housing (41) sidewall, and described inlet (11) is arranged on the bottom of smart filter assemblies (4) housing (41) sidewall.
5. a kind of washing machine according to claim 3, is characterized in that, the circulation line between described smart filter assemblies (4) and cylindric washer (1) water discharge outlet (9) is provided with draining pump (2).
6. a kind of washing machine according to claim 5, is characterized in that, described inlet (11) is arranged on the water inlet end circulation line of draining pump (2).
7. the water-conservation washing machine according to claim 4 or 6, is characterized in that, described return line (5) is provided with check valve (7).
8. a kind of washing machine according to claim 1, it is characterized in that, the water inlet of described pre-filtering assembly (3) is connected with the water discharge outlet (9) of cylindric washer (1), the delivery port of pre-filtering assembly (3) is connected with the water inlet of smart filter assemblies (4), and first delivery port (6) of smart filter assemblies is connected with the water inlet (10) of cylindric washer (1).
9. one kind as arbitrary in claim 1-8 as described in the control method for washing of washing machine, it is characterized in that, discharge water in cylindric washer (1) is filtered by pre-filtering assembly (3) and smart filter assemblies (4) successively, enter in cylindric washer (1) again, meanwhile the discharge water of filtered enters draining pump (2) water inlet end circulation line by return line (5) and returns in smart filter assemblies (4) in fine filtering apparatus (4).
10. the control method of washing machine according to claim 9, is characterized in that, in described smart filter assemblies (4), the discharge water of filtered flow rates in return line (5) is 0.4-5m/s.
CN201310633502.3A 2013-11-29 2013-11-29 A kind of washing machine and control method for washing Active CN104674519B (en)

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Application Number Priority Date Filing Date Title
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CN104674519B CN104674519B (en) 2017-07-28

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Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20050022316A1 (en) * 2003-07-29 2005-02-03 Rawson James Ruion Young Apparatus and method for removing contaminants from dry cleaning solvent
CN1673123A (en) * 2005-03-15 2005-09-28 北京交通大学 Treating method and micro flocculation reactor for reusing washing sewage
CN201473775U (en) * 2009-05-14 2010-05-19 刘爱东 water-saving washing machine
CN201643839U (en) * 2010-02-01 2010-11-24 北京纬纶华业环保科技股份有限公司 Cross-flow type fine filter
CN202785827U (en) * 2012-06-26 2013-03-13 绍兴市国富环保科技有限公司 Ultrafiltration sewage treatment system
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
CN203281100U (en) * 2013-05-27 2013-11-13 江苏省宜兴非金属化工机械厂有限公司 Ceramic crossflow filtration device

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20050022316A1 (en) * 2003-07-29 2005-02-03 Rawson James Ruion Young Apparatus and method for removing contaminants from dry cleaning solvent
CN1673123A (en) * 2005-03-15 2005-09-28 北京交通大学 Treating method and micro flocculation reactor for reusing washing sewage
CN201473775U (en) * 2009-05-14 2010-05-19 刘爱东 water-saving washing machine
CN201643839U (en) * 2010-02-01 2010-11-24 北京纬纶华业环保科技股份有限公司 Cross-flow type fine filter
CN202785827U (en) * 2012-06-26 2013-03-13 绍兴市国富环保科技有限公司 Ultrafiltration sewage treatment system
CN203281100U (en) * 2013-05-27 2013-11-13 江苏省宜兴非金属化工机械厂有限公司 Ceramic crossflow filtration device
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

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