WO2014206313A1 - 过滤装置、洗衣机和洗衣控制方法 - Google Patents
过滤装置、洗衣机和洗衣控制方法 Download PDFInfo
- Publication number
- WO2014206313A1 WO2014206313A1 PCT/CN2014/080836 CN2014080836W WO2014206313A1 WO 2014206313 A1 WO2014206313 A1 WO 2014206313A1 CN 2014080836 W CN2014080836 W CN 2014080836W WO 2014206313 A1 WO2014206313 A1 WO 2014206313A1
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- WIPO (PCT)
- Prior art keywords
- ultrafiltration membrane
- water
- membrane module
- washing machine
- filter assembly
- Prior art date
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Classifications
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
- D06F39/00—Details of washing machines not specific to a single type of machines covered by groups D06F9/00 - D06F27/00
- D06F39/10—Filtering arrangements
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
- D06F39/00—Details of washing machines not specific to a single type of machines covered by groups D06F9/00 - D06F27/00
- D06F39/08—Liquid supply or discharge arrangements
- D06F39/083—Liquid discharge or recirculation arrangements
Definitions
- This invention relates to laundry technology, and more particularly to a filtration apparatus, a washing machine and a laundry control method. Background technique
- the traditional washing machine regardless of the pulsator type or the drum type, the semi-automatic or the fully automatic washing machine, directly discharges the washing wastewater, and uses a large amount of fresh water for multiple rinsing, which consumes a large amount of water, and is extremely wasteful to the use of water resources.
- the following solutions are adopted in the prior art:
- the wave turbine adopts the wire collection filter bag to manually clean the wire waste; the roller machine adopts the drain pump pump head to intercept the large line head and the washing water is discharged.
- This method has a poor filtering effect and basically does not trap the wire.
- the invention provides a filtering device, a washing machine and a laundry control method, which can improve the rinsing water purification efficiency while optimizing the layout structure of the washing machine.
- the present invention provides a filtration apparatus comprising: an integrally disposed coarse filtration module and an ultrafiltration membrane module.
- the present invention also provides a washing machine, which is provided with an integrated coarse filter assembly and an ultrafiltration membrane module on a water circulation line communicating with the washing tub, and the drain water of the washing tub passes through the coarse filter assembly and the ultrafiltration membrane in sequence.
- the assembly is processed and returned to the wash basket.
- the present invention provides a laundry control method comprising: circulating and filtering a drain water of a washing tub through an integrally disposed coarse filter assembly and an ultrafiltration membrane module, wherein the drain water of the washing tub passes through a coarse filter assembly and ultrafiltration in sequence.
- the membrane module is processed and returned to the wash basket.
- the coarse filter assembly can be used to filter the wire and the larger particles
- the ultrafiltration membrane module can be used to filter the smaller particles, the soluble dirt and the like.
- the rinsing water is circulated and filtered by the integrated coarse filtration module and the ultrafiltration membrane module, which not only can filter a large volume of impurities, but also can filter fine particles and soluble dirt, thereby improving the efficiency of water purification, and is structurally unnecessary. Additional water tanks, large-scale water treatment equipment, etc., and due to the integrated design, the volume of the filter is reduced, the layout space of the washing machine is optimized, and the washing machine is further miniaturized.
- FIG. 1 is a schematic structural view of a filtering device according to Embodiment 1 of the present invention.
- FIG. 2 is a schematic structural diagram of an optional washing machine according to Embodiment 2 of the present invention
- FIG. 3 is a flowchart of a laundry control method according to Embodiment 3 of the present invention. detailed description
- a first embodiment of the present invention provides a filtering device 10 which can be applied to a washing machine to circulate and filter the discharge water of a washing tub such as washing water or rinsing water to achieve water saving.
- the filter device 10 includes an integrally disposed coarse filter assembly 12 and an ultrafiltration membrane module 14, wherein the water flow can be recycled through the coarse filter assembly 12 and the ultrafiltration membrane module 14 in sequence for recycling.
- the ultrafiltration membrane module 14 can be coated on the periphery of the coarse filter assembly 12.
- the integrated arrangement of the coarse filter assembly 12 and the ultrafiltration membrane assembly 14 can also be accomplished in other ways, for example, by placing the ultrafiltration membrane module 14 and the coarse filtration assembly 12 side by side as long as water flow can be passed through the coarse filtration assembly 12 It can then be filtered through the ultrafiltration membrane module 14.
- the coarse filter assembly 12 can be used to filter swarf and larger particles, while the ultrafiltration membrane assembly 14 can be used to filter smaller particles, soluble soils, etc., and the coarse filter assembly 12 can also extend the ultrafiltration membrane module 14 Service life.
- the coarse filter assembly 12 and the ultrafiltration membrane module 14 are integrated in the above manner, and the structure is compact, the volume is small, and the coarse filtration and the fine filtration can be simultaneously realized, and the water purification effect is good.
- the coarse filter assembly 12 is provided with a water circulation inlet 121, and the ultrafiltration membrane assembly 14 is provided with a water circulation outlet 142.
- the circulating water can first enter the coarse filter assembly 12 via the water circulation inlet 121, and after coarse filtration by the coarse filter assembly 12, through coarse filtration.
- the filter orifice of assembly 12 enters ultrafiltration membrane module 14 for fine filtration and then re-enters the circulation passage via water circulation outlet 142 for cyclic filtration.
- the filter device 10 is provided with an air inlet 143, which can be used for conveying airflow to the ultrafiltration membrane module 14 and the coarse filter assembly 12. When the filter device 10 is cleaned, it can be first intercepted or adhered by the airflow.
- the impurities attached to the ultrafiltration membrane module 14 or the coarse filtration module 12 reduce the difficulty of washing the filtration device 10 and enhance the cleaning effect of the filtration device 10.
- the coarse filter assembly 12 and the ultrafiltration membrane module 14 may be water-washed by timed water entering the water circulation inlet 121.
- the filtration device 10 may be provided with drainage ports 124 and 144, wherein the drainage port 124 is used for cleaning coarse filtration
- the water of the assembly 12 exits the filtration device 10.
- the drain port 144 is for discharging the water for cleaning the ultrafiltration membrane module 14 from the filter device 10.
- the water circulation inlet 121 and the air inlet 143 may be disposed at the lower end of the filtering device 10, and the water circulation outlet 142 and the drain ports 124, 144 are disposed at the upper end of the filtering device 10.
- Embodiment 2
- the discharge water of the washing tub can be circulated and filtered in combination with the corresponding pipeline structure in the washing machine, so that the laundry can be rinsed by the purified and recovered water to achieve the effect of water saving.
- FIG. 2 is an optional structural diagram of a washing machine provided in the second embodiment.
- the washing machine includes a washing tub 21 and a drain port 22.
- the washing tub 21 is provided with a clean water inlet, and the tap water is connected through the pipe a.
- the valve 1 on the pipe a is opened, the washing water can be washed into the washing tub 21 or rinsed with clean water.
- the washing machine further includes a water circulation line communicating with the washing tub 21, and the water circulation line is provided with a filtering device including an integrally arranged coarse filter assembly 12 and an ultrafiltration membrane module 14, and the discharge water of the washing tub 21 is sequentially passed through the thick The filter assembly 12 and the ultrafiltration membrane module 14 are treated and returned to the wash basket 21.
- the line b, the water pump 4, the line c, the three-way valve 6, the line e, the line f, the three-way valve 7 and the line g in Fig. 2 are connected to form a water circulation line, wherein the line b is connected to wash The drain port of the cartridge 21, the line g communicates with the water inlet of the washing tub 21.
- An integrally disposed coarse filter assembly 12 and ultrafiltration membrane module 14 are connected between the conduits e and f, wherein the conduit e communicates with the water circulation inlet 121 of the coarse filtration assembly 12, and the conduit f communicates with the water circulation outlet 142 of the ultrafiltration membrane assembly 14. .
- the three-way valve 6 is controlled to connect the pipes (: and 6)
- the three-way valve 7 is controlled to connect the pipes f and g
- the water pump 4 is started to make the washing water or the rinsing water through the pipeline.
- b, c. e first enter the coarse filter assembly 12 from the water circulation inlet 121 of the coarse filter assembly 12 for coarse filtration, and then enter the ultrafiltration membrane module 14 through the coarse filter assembly 12 for fine filtration, and then through the water circulation outlet 142, the pipeline f , g is recycled to the washing tub 21 to be used again for laundry rinsing.
- the above scheme utilizes the integrated coarse filter assembly and the ultrafiltration membrane module to sequentially circulate and filter the discharge water of the washing tub, which can not only filter a large volume of impurities, but also filter fine particles and soluble dirt, thereby improving the efficiency of water purification.
- the integrated coarse filter assembly and the ultrafiltration membrane module to sequentially circulate and filter the discharge water of the washing tub, which can not only filter a large volume of impurities, but also filter fine particles and soluble dirt, thereby improving the efficiency of water purification.
- the layout space of the filter is reduced, and the washing machine is further miniaturized.
- the washing machine of this embodiment further includes a drain pipe for washing, which is respectively connected by a three-way valve.
- the water circulation inlet is connected to the drain port of the washing tub 21 and the coarse filter assembly 12.
- the pipe d in Fig. 2 serves as a drain pipe for the laundry, one end is connected to the drain port 22 of the washing machine, and the other end is connected to the pipe through the three-way valve 6 (: or ⁇
- the three-way valve 6 can be controlled such that the pipes d and C are communicated so that the washing water or the rinsing water does not enter the filtering device 10, The washing machine is discharged directly through the pipes b, c, d.
- the washing machine of this embodiment further includes a turbidity sensor 2 disposed in the washing tub 21.
- the turbidity sensor 2 is for detecting whether the turbidity of the washing water or the rinsing water of the washing tub reaches a preset value. For example, in the washing process, if the turbidity of the washing water does not reach the preset value, the washing water is recovered through the water circulation line to enter the washing cycle stage; when the washing water is detected to reach a preset value, the washing water is controlled to pass the above washing The washing machine is discharged through the drain line and enters the rinsing process.
- the rinsing water is controlled to be discharged to the washing machine through the above-mentioned laundry drain line. Otherwise, the washing water is recovered through the water circulation line to enter the rinsing cycle.
- the turbidity sensor By setting the turbidity sensor, it is possible to automatically determine whether or not drainage is required according to the turbidity of the washing water or the rinsing water, and also automatically determine whether or not to enter the water filtration cycle process, thereby improving the intelligence of the washing machine.
- the washing machine of the embodiment further comprises a gas delivery device coupled to the filtration device for air washing the ultrafiltration membrane module and/or the coarse filter assembly.
- the gas delivery device can be an air pump.
- the line j serves as an air flow passage, one end of which is in communication with the air inlet 143 of the filtering device 10, and the other end of which is connected to the air pump 11, and the line j is provided with a check valve 13.
- the air pump 11 is for supplying gas to the filtering device 10 to air-wash the coarse filter assembly and the ultrafiltration membrane module of the filter device 10.
- the washing machine of this embodiment further includes a first cleaning drain line
- the filter device is provided with a drain port for discharging the water for washing the ultrafiltration membrane module out of the filter device, and the first cleaning drain line is connected to one end of the drain line.
- the drain port of the filter device is connected to the drain port of the washing machine at the other end.
- the pipelines 1 and k in FIG. 2 are connected to form a first cleaning drain line, wherein the pipelines 1 and k are respectively connected to the drain port 144 of the filter device 10 and the drain port 22 of the washing machine, and the pipe i is provided with a valve. 3.
- the washing machine of this embodiment further includes a second cleaning drain line
- the filter device is provided with a drain port for discharging water for cleaning the coarse filter assembly, and one end of the second cleaning drain line is connected to the
- the drain of the filter device is connected to the drain of the washing machine at the other end.
- the pipes h and k in Fig. 2 are connected to form a second cleaning drainage pipe, wherein the pipes h and k are respectively filtered.
- the drain port 124 of the apparatus 10 is in communication with the drain port 22 of the washing machine, and a valve 5 is provided on the line h. After the washing cycle or the rinsing cycle is completed, the cleaning stage of the filtering device 10 can be entered, including air washing and water washing.
- the valve 5, the check valve 13 and the air pump 11 are opened, and the air flow generated by the air pump 11 enters the filtering device 10 through the pipe j, while the internal cavity of the coarse filter assembly 12 and the ultrafiltration membrane module 14 is flushed to form a gas. Wash the circuit for air washing.
- the air-washing filter device 10 can loosen or remove dirt such as lint, particles, and the like on the coarse filter assembly 12 and the ultrafiltration membrane module 14.
- the filter device 10 is washed with water, and the coarse filter assembly 12 and the ultrafiltration membrane module 14 may be washed at the same time or in a time-sharing manner.
- the air pump 11 is closed, the valve 5 is opened, the drain pump 4 is opened, and the three-way valve 6 is controlled to make the pipes (: and 6 are turned on, the three-way valve 7 and the valve 3 are closed, and the discharge of the washing tub 21 is performed.
- the water flows through the coarse filter assembly 12 through the pipes c, e, and then exits the washing machine through the pipes h, k, and the dirt in the coarse filter assembly 12 is washed away.
- the air pump 11 When the ultrafiltration membrane module 14 is washed with water, the air pump 11 is closed, the valve 3 is opened, the drain pump 4 is opened, the three-way valve 6 is controlled to make the pipelines (: and 6 are turned on, the three-way valve 7 is closed, and the valve 5 is closed).
- the discharged water of 21 passes through the pipeline (:, e, is filtered by the coarse filter assembly 12, flows through the ultrafiltration membrane module 14, and finally exits the washing machine through the pipes i, k, and washes off the dirt on the surface of the ultrafiltration membrane module 14.
- the coarse filter assembly or the ultrafiltration membrane module may also be simultaneously subjected to air washing and water washing, that is, while the gas is supplied to the coarse filter assembly and the ultrafiltration membrane module, the discharge water of the washing tub is controlled to clean the coarse filter.
- the water-saving washing machine is discharged after the assembly or the ultrafiltration membrane module.
- the air pump 11 the airflow can be used to loosen or adhere to the impurities on the ultrafiltration membrane module 14 or the coarse filter assembly 12, so that the impurities are easily washed away by water during washing, and the cleaning effect is enhanced.
- the cleaning of the coarse filter assembly 12 and the ultrafiltration membrane module 14 can be respectively achieved by the above-mentioned first and second cleaning drainage pipelines, the life of the filtration device is prolonged, and the self-cleaning of the filtration device 10 is realized without manual cleaning. To make the washing machine more automated.
- the washing machine of this embodiment further includes a reverse cleaning line, one end of the reverse cleaning line is connected to the water circulation outlet of the ultrafiltration membrane module, and is used for the ultrafiltration membrane module and the
- the coarse filter assembly provides fresh water to clean the ultrafiltration membrane module and the coarse filtration assembly.
- the line L in Figure 2 is connected to the tap at one end and to the line f through a three-way valve 7 at the other end to form a reverse purge line.
- the ultrafiltration membrane module 14 may be separately backwashed with fresh water or the coarse filter assembly 12 and the ultrafiltration membrane module 14 may be reversely cleaned at the same time.
- the three-way valve 6 When the coarse filter assembly 12 is reversely cleaned, the three-way valve 6 is closed, the air pump 11 is closed, the three-way valve 7 is controlled to connect the line L and the line f, and the valve 5 is opened to make the tap water pass through the line 1 and f from the filter device 10
- the water circulation outlet 142 is reversely entered into the ultrafiltration membrane module 14 and passed through the ultrafiltration membrane module 14 into the coarse filtration module 12 to reversely wash the ultrafiltration membrane module 14 and the coarse filtration module 12, and then discharged through the lines h, k. washing machine.
- the three-way valve 6 is controlled so that the pipe 6 and (1 are connected, the three-way valve 7 is controlled to connect the pipe L and the pipe f, the air pump 11 and the check valve 13 are closed, and the valve 3 and the valve 5 are closed, and the tap water passes through the pipe.
- L, f is reversed from the water circulation outlet 142 into the ultrafiltration membrane module 14, and then passed through the ultrafiltration membrane module 14 and then reversed into the coarse filtration module 12 to reversely wash the ultrafiltration membrane module 14 and the coarse filtration module 12, and then, through the tube.
- Road e, d discharge the washing machine.
- the three-way valve 6 When the ultrafiltration membrane module 14 is reversely cleaned, the three-way valve 6 is closed, the air pump 11 is closed, the three-way valve 7 is controlled to connect the line L and the line f, the valve 3 is opened, the valve 5 is closed, and the tap water is passed through the pipeline 1, f
- the ultrafiltration membrane module 14 is reversely introduced from the water circulation outlet 142 of the filtration device 10 to wash the ultrafiltration membrane module 14 with water, and then the washing machine is discharged through the conduits i, k.
- the filter unit can be reversely cleaned to further remove impurities trapped in the filter unit, to ensure cleaning and maintenance of the filter unit, and to extend the life of the filter unit.
- Embodiment 3 is a flow chart of a laundry control method according to Embodiment 3 of the present invention. Taking a cycle of rinsing water as an example, the method includes:
- Step S31 The discharge water in the washing tub is circulated and filtered through the integrally arranged coarse filter assembly and the ultrafiltration membrane module, wherein the drain water of the washing tub is sequentially processed by the coarse filter assembly and the ultrafiltration membrane module and then returned to the washing tub.
- Step S31 may be performed in a rinsing process of the laundry, and the step may specifically include, for example, controlling the three-way valve 6 to connect the pipes c and e, controlling the three-way valve 7 to connect the pipes f and g, and starting the water pump 4 to The rinse water is filtered through the coarse filter assembly 12 and the ultrafiltration membrane module 14 in order and recovered to the washing tub 21.
- the method further includes:
- Step S30 detecting whether the turbidity value of the discharged water of the washing tub reaches a preset value; if yes, controlling the drain water of the washing tub to discharge the washing machine, for example, the control valve 6 is opened; if not, performing step S31, that is, The coarse filter assembly and the ultrafiltration membrane module integrally provided are circulated and filtered to discharge the discharge water of the wash tub. For example, in the rinsing process, if it is detected that the turbidity value of the rinsing water reaches a preset value, it is sequentially discharged to the washing machine through the pipes b, c, d, otherwise, the rinsing is controlled. The water is filtered through the coarse filtration module and the ultrafiltration membrane module in sequence, and then returned to the washing tub.
- step S31 the method further includes:
- Step S32 delivering gas to the ultrafiltration membrane module and the coarse filtration module. This step is used to air wash the ultrafiltration membrane module and the coarse filtration module.
- step S32 the method further includes:
- Step S33 Controlling the drain water of the washing tub After washing the ultrafiltration membrane module, the washing machine is discharged, and in the rinsing step, the drain water of the washing tub is rinsing water.
- the rinsing water discharged from the washing tub 21 can be controlled to clean the ultrafiltration membrane module 14 and then discharged through the conduits i, k.
- step S32 the method further includes:
- Step S34 controlling the discharge water of the washing tub to be filtered by the coarse filter assembly, and then washing the ultrafiltration membrane module to discharge the washing machine.
- the drain water of the washing tub is rinsing water.
- the rinsing water discharged from the washing tub 21 can be controlled to clean the coarse filter assembly 12 and then discharged through the lines h, k.
- Steps S33 and S34 may be performed in a time-sharing manner or simultaneously, for example, the valves 5 and 12 may be controlled to be opened simultaneously or in a time-sharing manner.
- step S32 the method further includes:
- Step S35 entering the clean water into the ultrafiltration membrane module
- Step S36 controlling the clean water to enter in a direction opposite to the flow direction of the filtered water of the ultrafiltration membrane module, and washing the ultrafiltration membrane module and the coarse filter assembly in reverse to discharge the washing machine.
- the clean water can be controlled to sequentially discharge the washing machine through the drain port 144 of the filter device 10, the pipes i, k, to reversely clean the ultrafiltration membrane module 14; and the clean water can be controlled to pass through the drain port 124 and the tube of the filter device 10 in sequence.
- the roads i and k are discharged from the washing machine to clean the coarse filter assembly in the opposite direction; the clean water can be controlled to pass through the water circulation inlet 121 of the filter device 10, the pipe e enters the laundry drain pipe d, and the washing machine is discharged to the ultrafiltration membrane module. 14 and the coarse filter assembly 12 is subjected to reverse cleaning.
- step S32 it is also possible to clean only the ultrafiltration membrane module 14, BP, after step S32, further comprising: entering the clean water into the ultrafiltration membrane module;
- the clean water is controlled to enter in a direction opposite to the flow of the filtered water of the ultrafiltration membrane module, and the ultrafiltration membrane module is reversely washed and discharged to the washing machine.
- step S30 if it is detected that the turbidity of the wash water exceeds a preset value, the wash water is discharged out of the washing machine, and the rinsing process is started, otherwise, the integrated coarse filter assembly and The ultrafiltration membrane module circulates and washes the washing water so that the washing water is filtered through the coarse filtration module and the ultrafiltration membrane module in sequence, and then returned to the washing cylinder.
- step S32 it is also possible to perform step S32 after the end of the cycle washing to air-wash the coarse filter assembly and the ultrafiltration membrane module.
- step S33 and/or step S34 after the end of the circulating washing, i.e., washing the coarse filter assembly and/or the ultrafiltration membrane module with the wash water discharged from the washing tub.
- Steps S35 and S36 may also be performed after the end of the cycle washing to reversely clean the coarse filter assembly and the ultrafiltration membrane module with fresh water.
- the foregoing program may be stored in a computer readable storage medium, and the program is executed when executed.
- the foregoing storage medium includes: a read-only memory (ROM), a random access memory (RAM), a magnetic disk, or an optical disk, and the like.
- the medium of the program code includes: a read-only memory (ROM), a random access memory (RAM), a magnetic disk, or an optical disk, and the like.
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Abstract
一种过滤装置、洗衣机和洗衣机控制方法,过滤装置(10)包括一体设置的粗过滤组件(12)和超滤膜组件(14)。洗衣机中,在与洗涤筒(21)连通的水循环管路上设有一体设置的粗过滤组件(12)和超滤膜组件(14),洗涤筒(21)的排出水依次经过粗过滤组件(12)和超滤膜组件(14)处理后回流至洗涤筒(21)。该技术在优化洗衣机布局结构的同时还能提升漂洗水净化效率。
Description
过滤装置、 洗衣机和洗衣控制方法 技术领域
本发明涉及洗衣技术,特别是涉及一种过滤装置、洗衣机和洗衣控制方 法。 背景技术
传统的洗衣机不管波轮式还是滚筒式,半自动还是全自动洗衣机, 其洗 涤废水都直接排放, 同时使用大量清水进行多次漂洗, 耗水量比较大, 对水 资源的使用是一种极大地浪费, 对此, 现有技术中采取以下几种解决方式:
1. 增加储水箱, 将漂洗水收集, 滤网简单过滤再应用于下次洗涤, 这 种方式只是简单去除了线屑和添加水箱储存漂洗水, 出水杂质多, 水质不稳 定, 虽然能够对漂洗水进行净化以循环利用,但是未能从根本上解决漂洗水 水质问题, 且增加了洗衣机结构成本, 占用较大布局空间。
2. 使用反渗透过滤器对废水进行净化使用, 这种方式需要使用高压泵, 净化产水速率慢, 水量无法保证洗衣机的使用需求, 同时成本高。
3. 使用大型水处理装置、 臭氧发生器、 电解等附属设备对洗衣水进行 净化利用, 这种方式占用较大的布局空间, 且水处理成本较高。
4. 波轮机采用线屑收集滤袋, 人工清理线屑; 滚筒机采用排水泵泵头 截留大线头, 洗衣水排放。 这种方式过滤效果较差, 基本不截留线屑。
因此, 如何在优化洗衣机布局结构的同时还能提升漂洗水净化效率,是 本领域技术人员一直以来考虑的问题。 发明内容
在下文中给出关于本发明的简要概述,以便提供关于本发明的某些方面 的基本理解。应当理解, 这个概述并不是关于本发明的穷举性概述。它并不 是意图确定本发明的关键或重要部分,也不是意图限定本发明的范围。其目 的仅仅是以简化的形式给出某些概念,以此作为稍后论述的更详细描述的前 序。
本发明提供一种过滤装置、洗衣机和洗衣控制方法,在优化洗衣机布局 结构的同时还能提升漂洗水净化效率。
一方面, 本发明提供了一种过滤装置, 包括: 一体设置的粗过滤组件以 及超滤膜组件。
另一方面, 本发明还提供了一种洗衣机,在与洗涤筒连通的水循环管路 上设有一体设置的粗过滤组件和超滤膜组件,洗涤筒的排出水依次经过粗过 滤组件和超滤膜组件处理后回流至洗涤筒。
另一方面, 本发明提供了一种洗衣控制方法, 包括: 通过一体设置的粗 过滤组件和超滤膜组件循环过滤洗涤筒的排出水,其中洗涤筒的排出水依次 经过粗过滤组件和超滤膜组件处理后回流至洗涤筒。
本发明提供的技术方案中, 粗过滤组件可用于过滤线屑以及较大颗粒, 而超滤膜组件可用于过滤较小颗粒、可溶性污垢等。利用一体化设置的粗过 滤组件和超滤膜组件对漂洗水进行循环过滤, 不仅能够过滤较大体积的杂 质, 也能够过滤微小颗粒和可溶性污垢, 提升了水净化的效率, 在结构上, 无需增设水箱、 大型水处理设备等, 且由于一体化的设计, 减小了过滤器的 体积, 优化了洗衣机的布局空间, 使得洗衣机更为小型化。 附图说明
为了更清楚地说明本发明实施例或现有技术中的技术方案,下面将对实 施例或现有技术描述中所需要使用的附图作简单地介绍, 显而易见地, 下面 描述中的附图仅仅是本发明的一些实施例, 对于本领域普通技术人员来讲, 在不付出创造性劳动的前提下, 还可以根据这些附图获得其他的附图。
图 1为本发明实施例一提供的一种过滤装置的结构示意图;
图 2为本发明实施例二提供的一种洗衣机的可选结构示意图; 图 3为本发明实施例三提供的一种洗衣控制方法的流程图。 具体实施方式
为使本发明实施例的目的、技术方案和优点更加清楚, 下面将结合本发 明实施例中的附图, 对本发明实施例中的技术方案进行清楚、 完整地描述, 显然, 所描述的实施例是本发明一部分实施例, 而不是全部的实施例。
在本发明的一个附图或一种实施方式中描述的元素和特征可以与一个 或更多个其它附图或实施方式中示出的元素和特征相结合。应当注意,为了 清楚的目的, 附图和说明中省略了与本发明无关的、本领域普通技术人员己 知的部件和处理的表示和描述。基 本发明中的实施例,本领域普通技术人
员在没有付出创造性劳动的前提下所获得的所有其他实施例,都属于本发明 保护的范围。
实施例一
如图 1所示, 本发明实施例一提供了一种过滤装置 10, 其可应用于洗 衣机中以对洗涤水、漂洗水等洗涤筒的排出水进行循环过滤, 以达到节水的 目的。 该过滤装置 10包括一体设置的粗过滤组件 12以及超滤膜组件 14, 其中水流可依次经过所述粗过滤组件 12和超滤膜组件 14过滤后可循环使 用。
例如, 超滤膜组件 14可包覆在粗过滤组件 12的外围。也可以其他方式 实现粗过滤组件 12和超滤膜组件 14的一体化设置, 例如, 将超滤膜组件 14和粗过滤组件 12并排设置在一起, 只要能够使水流经过所述粗过滤组件 12处理后再经过超滤膜组件 14过滤即可。
在使用过程中, 粗过滤组件 12可用于过滤线屑以及较大颗粒, 而超滤 膜组件 14可用于过滤较小颗粒、可溶性污垢等, 设置粗过滤组件 12还可以 延长超滤膜组件 14的使用寿命。
通过以上方式将粗过滤组件 12和超滤膜组件 14一体化, 结构紧凑、体 积小, 且能同时实现粗过滤和精过滤, 水净化效果好。
粗过滤组件 12上设有水循环进口 121, 超滤膜组件 14上设有水循环出 口 142, 循环水可经由水循环进口 121首先进入粗过滤组件 12, 经粗过滤组 件 12进行粗过滤后, 经由粗过滤组件 12的过滤孔进入超滤膜组件 14进行 精过滤, 然后经由水循环出口 142重新进入循环通道, 以实现循环过滤。
过滤装置 10上设有进气口 143, 进气口 143可用于向超滤膜组件 14以 及粗过滤组件 12中输送气流,在对过滤装置 10进行清洗时, 可先通过气流 松落截留或粘附在超滤膜组件 14或粗过滤组件 12中的杂质,减少水洗过滤 装置 10的难度, 增强过滤装置 10的清洗效果。
可通过进入水循环进口 121的水, 分时对粗过滤组件 12和超滤膜组件 14进行水洗, 具体地, 在过滤装置 10可设置排水口 124和 144, 其中排水 口 124用于将清洗粗过滤组件 12的水排出过滤装置 10。 排水口 144用于将 清洗超滤膜组件 14的水排出过滤装置 10。
上述水循环进口 121、 进气口 143可设置在过滤装置 10的下端, 而水 循环出口 142、 排水口 124、 144设置在过滤装置 10的上端。
实施例二
上述过滤装置 10用于洗衣机时, 可结合洗衣机中相应的管路结构, 来 对洗涤筒的排出水进行循环过滤, 以实现利用净化回收水对衣物进行漂洗, 达到节水的效果。
图 2为本实施例二提供的一种洗衣机的可选结构图。如图 2所示, 该洗 衣机包括洗涤筒 21和排水口 22。 其中洗涤筒 21上设有清水进口, 通过管 路 a连接自来水口, 当打开管路 a上的阀门 1时, 可向洗涤筒 21中进洗涤 用清水或漂洗用清水。
该洗衣机还包括与洗涤筒 21连通的水循环管路, 该水循环管路上设有 过滤装置, 该过滤装置包括一体设置的粗过滤组件 12和超滤膜组件 14, 洗 涤筒 21的排出水依次经过粗过滤组件 12和超滤膜组件 14处理后回流至洗 涤筒 21。
例如, 图 2中的管路 b、 水泵 4、 管路 c、 三通阀 6、 管路 e、 管路 f、 三通阀 7以及管路 g连接形成水循环管路, 其中管路 b连通洗涤筒 21的排 水口, 管路 g连通洗涤筒 21的进水口。 管路 e和 f之间连接有一体设置的 粗过滤组件 12和超滤膜组件 14, 其中管路 e连通粗过滤组件 12的水循环 进口 121,管路 f连通超滤膜组件 14的水循环出口 142。上述水循环管路中, 靠近洗涤筒 21排水口的部分, 如管路 b、 c、 e, 形成洗涤筒 21的循环水出 水管路; 靠近洗涤筒 21进水口的部分, 如管路 f、 g, 形成洗涤筒 21的循环 水回水管路。
在洗衣流程中的洗涤或漂洗工序, 控制三通阀 6使管路 (:和6连通, 控 制三通阀 7使管路 f和 g连通, 并启动水泵 4, 使洗涤水或漂洗水经管路 b、 c. e,先从粗过滤组件 12的水循环进口 121进入粗过滤组件 12进行粗过滤, 再经由粗过滤组件 12进入超滤膜组件 14进行精过滤, 然后经水循环出口 142、 管路 f、 g回收至洗涤筒 21, 以再次用作衣物漂洗。
上述方案利用一体化设置的粗过滤组件和超滤膜组件依次对洗涤筒的 排出水进行循环过滤,不仅能够过滤较大体积的杂质, 也能够过滤微小颗粒 和可溶性污垢, 提升了水净化的效率, 在结构上, 无需增设水箱、 大型水处 理设备等, 且由于一体化的设计, 减小了过滤器的布局空间, 也使得洗衣机 更为小型化。
可选地,本实施例的洗衣机还包括洗衣用排水管路,通过三通阀分别连
接至洗涤筒 21排水口和粗过滤组件 12的水循环进口。例如, 图 2中的管路 d作为洗衣用排水管路, 一端连接洗衣机的排水口 22, 另一端通过三通阀 6 可连接管路 (:或^
在洗涤或者漂洗工序, 当需要将洗涤筒 21中的洗涤水或者漂洗水排出 洗衣机外时, 可控制三通阀 6使得管路 d和 C连通, 使得洗涤水或者漂洗水 不进入过滤装置 10, 而直接经管路 b、 c、 d排出洗衣机。
本实施例的洗衣机还包括浊度传感器 2, 设于洗涤筒 21 中。 上述浊度 传感器 2用于检测洗涤筒的洗涤水或漂洗水的浊度是否达到预设值。 例如, 在洗涤工序,若洗涤水的浊度未达到预设值, 则通过上述水循环管路回收洗 涤水, 进入洗涤循环阶段; 当检测到洗涤水达到预设值时, 控制洗涤水经上 述洗衣用排水管路排出洗衣机, 并进入漂洗工序。
在漂洗工序,执行一次漂洗后检测到漂洗水的浊度达到预设值, 则控制 漂洗水经上述洗衣用排水管路排出洗衣机, 否则,通过上述水循环管路回收 洗涤水, 进入漂洗循环阶段。
通过设置浊度传感器,使得可根据洗涤水或漂洗水的浊度情况自动判断 是否需要排水, 也可自动判断是否进入水过滤循环工序,提高洗衣机的智能 程度。
可选地,本实施例的洗衣机还包括气体输送装置,与所述过滤装置连接, 用于气洗所述超滤膜组件和 /或所述粗过滤组件。 该气体输送装置可为气泵。 如图 2中, 管路 j作为气流通道, 一端与过滤装置 10的进气口 143连通, 另一端连通气泵 11, 管路 j上设有单向阀 13。 气泵 11用于向过滤装置 10 输送气体以气洗过滤装置 10的粗过滤组件和超滤膜组件。
本实施例的洗衣机还包括第一清洗用排水管路,所述过滤装置上设有用 于将清洗超滤膜组件的水排出过滤装置的排水口,所述第一清洗用排水管路 一端连接所述过滤装置的排水口, 另一端连接所述洗衣机的排水口。 如图 2 中的管路1、 k连接形成第一清洗用排水管路, 其中管路1、 k分别与过滤装 置 10的排水口 144和洗衣机的排水口 22连接, 管路 i上设有阀门 3。
本实施例的洗衣机还包括第二清洗用排水管路,所述过滤装置上设有用 于将清洗粗过滤组件的水排出过滤装置的排水口,所述第二清洗用排水管路 一端连接所述过滤装置的排水口, 另一端连接所述洗衣机的排水口。 如图 2 中的管路 h、 k连接形成第二清洗用排水管路, 其中管路 h、 k分别与过滤
装置 10的排水口 124和洗衣机的排水口 22连通, 管路 h上设有阀门 5。 洗涤循环或漂洗循环完毕后, 可进入过滤装置 10 的清洗阶段, 包括气 洗和水洗。 在气洗阶段, 打开阀门 5、 单向阀 13和气泵 11, 气泵 11产生的 气流经管路 j进入过滤装置 10, 同时气冲洗粗过滤组件 12和超滤膜组件 14 的内部空腔, 形成气洗回路进行气洗。 气洗过滤装置 10可松落粘附或截留 在粗过滤组件 12和超滤膜组件 14上的线屑、 颗粒等污垢。
气洗结束, 对过滤装置 10进行水洗, 具体可同时或分时对粗过滤组件 12和超滤膜组件 14进行水洗。 水洗粗过滤组件 12时, 气泵 11关闭, 阀门 5开启, 排水泵 4打开, 控制三通阀 6使管路 (:和6导通, 关闭三通阀 7、 阀门 3, 则洗涤筒 21的排出水经管路 c、 e流经粗过滤组件 12后经管路 h、 k排出洗衣机, 将粗过滤组件 12中的污垢冲走。
对超滤膜组件 14进行水洗时, 气泵 11关闭, 阀门 3开启, 排水泵 4打 开, 控制三通阀 6使管路 (:和6导通, 关闭三通阀 7、 阀门 5, 则洗涤筒 21 的排出水经管路 (:、 e, 经粗过滤组件 12过滤后流经超滤膜组件 14, 最后经 管路 i、 k排出洗衣机, 将超滤膜组件 14表面的污垢冲走。
也可对粗过滤组件或所述超滤膜组件同时进行气洗和水洗,即向所述粗 过滤组件和超滤膜组件输送气体的同时,控制所述洗涤筒的排出水清洗所述 粗过滤组件或所述超滤膜组件后排出节水洗衣机。
因此, 通过设置气泵 11, 可利用气流松落截留或粘附在超滤膜组件 14 或粗过滤组件 12上的杂质, 使得水洗时杂质容易被水冲走, 增强清洗效果。 并且通过上述第一、 第二清洗用排水管路, 可分别实现针对粗过滤组件 12 和超滤膜组件 14的清洗, 延长过滤装置的寿命, 并且实现了过滤装置 10的 自清洗, 无需人工清理, 使洗衣机更为自动化。
可选地,本实施例的洗衣机还包括反向清洗管路, 所述反向清洗管路一 端连通所述超滤膜组件的所述水循环出口,用于向所述超滤膜组件和所述粗 过滤组件提供清水以清洗所述超滤膜组件和所述粗过滤组件。例如, 图 2中 的管路 L, 一端连接自来水口, 另一端通过三通阀 7连接管路 f, 形成反向 清洗管路。
在气洗过滤装置 10完毕后, 洗涤循环完毕后、 或者漂洗循环完毕后, 可用清水单独反向冲洗超滤膜组件 14或同时对粗过滤组件 12和超滤膜组件 14进行反向清洗。
反向清洗粗过滤组件 12时, 关闭三通阀 6, 关闭气泵 11、 控制三通阀 7使管路 L和管路 f连通, 打开阀门 5, 使自来水经管路1^、 f从过滤装置 10的水循环出口 142反向进入超滤膜组件 14,并经由超滤膜组件 14后进入 粗过滤组件 12, 以反向水洗超滤膜组件 14、 粗过滤组件 12, 之后, 经管路 h、 k排出洗衣机。 或者, 控制三通阀 6使管 6和(1连通、 控制三通阀 7使 管路 L和管路 f连通, 关闭气泵 11和单向阀 13, 关闭阀门 3、 阀门 5, 则 自来水经管路 L、 f从水循环出口 142反向进入超滤膜组件 14, 再经由超滤 膜组件 14后反向进入粗过滤组件 12, 以反向水洗超滤膜组件 14、粗过滤组 件 12, 之后, 经管路 e、 d排出洗衣机。
反向清洗超滤膜组件 14时, 关闭三通阀 6, 关闭气泵 11、 控制三通阀 7使管路 L和管路 f连通, 打开阀门 3、 关闭阀门 5, 使自来水经管路1、 f 从过滤装置 10的水循环出口 142反向进入超滤膜组件 14, 以水洗超滤膜组 件 14, 之后, 经管路 i、 k排出洗衣机。
通过设置反向清洗管路, 可对过滤装置进行反向清洗, 可进一步去除过 滤装置中截留的杂质,保证过滤装置的清洁和维护,延长过滤装置的使用寿 命。
实施例三
图 3为本发明实施例三提供的一种洗衣控制方法的流程图,以循环漂洗 水为例, 该方法包括:
步骤 S31: 通过一体设置的粗过滤组件和超滤膜组件循环过滤洗涤筒中 的排出水,其中洗涤筒的排出水依次经过粗过滤组件和超滤膜组件处理后回 流至洗涤筒。
步骤 S31可在洗衣的漂洗工序中执行,该步骤具体可包括,例如控制三 通阀 6使管路 c和 e连通, 控制三通阀 7使管路 f和 g连通, 并启动水泵 4 以使漂洗水依次经粗过滤组件 12和超滤膜组件 14过滤后回收至洗涤筒 21。
可选地, 步骤 S31之前还包括:
步骤 S30: 检测所述洗涤筒的排出水的浊度值是否达到预设值; 如果是, 控制所述洗涤筒的排出水排出洗衣机, 例如控制阀门 6打开; 如果否, 执行步骤 S31, 即通过一体设置的所述粗过滤组件和超滤膜组 件循环过滤洗涤筒的排出水。例如, 在漂洗工序中, 如果检测到漂洗水的浊 度值达到预设值, 则将其依次经管路 b、 c、 d排出洗衣机, 否则, 控制漂洗
水依次经过粗过滤组件和超滤膜组件过滤处理后回流至洗涤筒。
可选地, 步骤 S31之后还包括:
步骤 S32: 向超滤膜组件和粗过滤组件输送气体。 本步骤用以对超滤膜 组件和粗过滤组件进行气洗。
可选地, 步骤 S32之后还包括:
步骤 S33: 控制洗涤筒的排出水清洗超滤膜组件后排出洗衣机, 在漂洗 工序, 该洗涤筒的排出水为漂洗水。 例如, 可控制洗涤筒 21排出的漂洗水 清洗超滤膜组件 14后经管路 i、 k排出洗衣机。
可选地, 步骤 S32之后还包括:
步骤 S34: 控制所述洗涤筒的排出水经粗过滤组件过滤后清洗所述超滤 膜组件后排出洗衣机, 在漂洗工序, 该洗涤筒的排出水为漂洗水。 例如, 可 控制洗涤筒 21排出的漂洗水清洗粗过滤组件 12后经管路 h、k排出洗衣机。
步骤 S33和步骤 S34可分时进行, 也可同时进行, 例如, 可控制阀门 5 和 12同时或分时打开。
可选地, 步骤 S32之后还包括:
步骤 S35: 向所述超滤膜组件进入清水;
步骤 S36: 控制所述清水沿着与所述超滤膜组件过滤水流向相反的方向 进入, 反向清洗所述超滤膜组件和粗过滤组件后排出洗衣机。
步骤 S36中, 可控制清水依次经过滤装置 10的排水口 144、 管路 i、 k 排出洗衣机, 以反向清洗超滤膜组件 14; 也可控制清水依次经过滤装置 10 的排水口 124、 管路 i、 k排出洗衣机, 以反向清洗粗过滤组件; 还可控制清 水依次经过滤装置 10的水循环进口 121、管路 e进入洗衣用排水管路 d, 并 排出洗衣机, 以对超滤膜组件 14和粗过滤组件 12进行反向清洗。
也可仅对超滤膜组件 14进行清洗, BP, 步骤 S32之后还包括: 向所述超滤膜组件进入清水;
控制所述清水沿着与所述超滤膜组件过滤水流向相反的方向进入,反向 清洗所述超滤膜组件后排出洗衣机。
在其他实施例中, 也可以只对洗涤水进行浊度检测, 并控制洗涤过滤水 循环。
例如, 在步骤 S30中, 如果检测到洗涤水的浊度超过预设值, 则将洗涤 水排出洗衣机, 并开始执行漂洗工序, 否则, 通过一体设置的粗过滤组件和
超滤膜组件循环过滤洗涤水,使得洗涤水依次经过粗过滤组件和超滤膜组件 过滤处理后回流至洗涤筒。
也可在循环洗涤结束后执行步骤 S32, 以气洗粗过滤组件和超滤膜组 件。
也可在循环洗涤结束后执行步骤 S33和 /或步骤 S34,即利用洗涤筒排出 的洗涤水清洗粗过滤组件和 /或超滤膜组件。
还可在循环洗涤结束后执行步骤 S35和 S36, 以用清水对粗过滤组件和 超滤膜组件进行反向清洗。
在本发明上述各实施例中, 实施例的序号和 /或先后顺序仅仅便于描述, 不代表实施例的优劣。对各个实施例的描述都各有侧重,某个实施例中没有 详述的部分, 可以参见其他实施例的相关描述。
本领域普通技术人员可以理解:实现上述方法实施例的全部或部分步骤 可以通过程序指令相关的硬件来完成,前述的程序可以存储于一计算机可读 取存储介质中, 该程序在执行时, 执行包括上述方法实施例的步骤; 而前述 的存储介质包括: 只读存储器 (Read-Only Memory, 简称 ROM) 、 随机 存取存储器 (Random Access Memory, 简称 RAM) 、 磁碟或者光盘等各 种可以存储程序代码的介质。
在本发明的装置和方法等实施例中,显然,各部件或各步骤是可以分解、 组合和 /或分解后重新组合的。 这些分解和 /或重新组合应视为本发明的等效 方案。 同时, 在上面对本发明具体实施例的描述中, 针对一种实施方式描述 和 /或示出的特征可以以相同或类似的方式在一个或更多个其它实施方式中 使用, 与其它实施方式中的特征相组合, 或替代其它实施方式中的特征。
应该强调, 术语 "包括 /包含"在本文使用时指特征、 要素、 步骤或组 件的存在, 但并不排除一个或更多个其它特征、要素、 步骤或组件的存在或 附加。
最后应说明的是: 虽然以上己经详细说明了本发明及其优点,但是应当 理解在不超出由所附的权利要求所限定的本发明的精神和范围的情况下可 以进行各种改变、 替代和变换。而且, 本发明的范围不仅限于说明书所描述 的过程、 设备、 手段、 方法和步骤的具体实施例。 本领域内的普通技术人员 从本发明的公开内容将容易理解,根据本发明可以使用执行与在此所述的相 应实施例基本相同的功能或者获得与其基本相同的结果的、现有和将来要被
开发的过程、 设备、 手段、 方法或者步骤。 因此, 所附的权利要求旨在在它 们的范围内包括这样的过程、 设备、 手段、 方法或者步骤。
Claims
1. 一种过滤装置, 包括: 一体设置的粗过滤组件以及超滤膜组件。
2. 根据权利要求 1所述的过滤装置, 其中
所述粗过滤组件上设有水循环进口, 所述超滤膜组件上设有水循环出
□。
3. 根据权利要求 1所述的过滤装置, 其中
所述过滤装置上设有进气口。
4. 根据权利要求 1所述的过滤装置, 其中
所述过滤装置上设有用于将清洗超滤膜组件的水排出过滤装置的排水
□。
5. 根据权利要求 1所述的过滤装置, 其中
所述过滤装置上设有用于将清洗粗过滤组件的水排出过滤装置的排水
□。
6. 根据权利要求 1所述的过滤装置, 其中
所述超滤膜组件包覆在所述粗过滤组件的外围。
7. 根据权利要求 1所述的过滤装置, 其中
所述超滤膜组件和粗过滤组件并排设置。
8. 一种洗衣机, 其中
在与洗涤筒连通的水循环管路上设有过滤装置,所述过滤装置包括一体 设置的粗过滤组件和超滤膜组件,洗涤筒的排出水依次经过粗过滤组件和超 滤膜组件处理后回流至洗涤筒。
9. 根据权利要求 8所述的洗衣机, 还包括:
浊度传感器, 设于洗涤筒中。
10. 根据权利要求 8所述的洗衣机, 还包括:
气体输送装置, 与所述过滤装置连接, 用于气洗所述超滤膜组件和 /或 所述粗过滤组件。
11. 根据权利要求 8所述的洗衣机, 还包括:
第一清洗用排水管路,所述过滤装置上设有用于将清洗超滤膜组件的水 排出过滤装置的排水口,所述第一清洗用排水管路一端连接所述过滤装置的 排水口, 另一端连接所述洗衣机的排水口。
12. 根据权利要求 8所述的洗衣机, 还包括:
第二清洗用排水管路,所述过滤装置上设有用于将清洗粗过滤组件的水 排出过滤装置的排水口,所述第二清洗用排水管路一端连接所述过滤装置的 排水口, 另一端连接所述洗衣机的排水口。
13. 根据权利要求 8所述的洗衣机, 其中
所述粗过滤组件上设有水循环进口, 所述超滤膜组件上设有水循环出
□。
14. 根据权利要求 13所述的洗衣机, 还包括:
反向清洗管路,所述反向清洗管路一端连通所述超滤膜组件的所述水循 环出口,用于向所述超滤膜组件和所述粗过滤组件提供清水以清洗所述超滤 膜组件和所述粗过滤组件。
15. 根据权利要求 13所述的洗衣机, 还包括:
洗衣用排水管路,通过三通阀分别连接至所述洗涤筒的排水口、所述粗 过滤组件的水循环进口。
16. 根据权利要求 8所述的洗衣机, 其中
所述超滤膜组件包覆在所述粗过滤组件的外围。
17. 一种洗衣控制方法, 包括:
通过一体设置的粗过滤组件和超滤膜组件循环过滤洗涤筒的排出水,其
中洗涤筒的排出水依次经过粗过滤组件和超滤膜组件处理后回流至洗涤筒
18. 根据权利要求 17所述的洗衣控制方法, 在循环过滤洗涤筒的排出 水之前还包括:
检测所述洗涤筒的排出水的浊度值是否达到预设值;
如果是, 控制所述洗涤筒的排出水排出洗衣机;
如果否,通过一体设置所述粗过滤组件和超滤膜组件循环过滤洗涤筒的 排出水。
19. 根据权利要求 17所述的洗衣控制方法, 循环过滤洗涤筒的排出水 之后还包括:
向所述超滤膜组件和粗过滤组件输送气体。
20. 根据权利要求 19所述的洗衣控制方法, 向所述超滤膜组件和粗过 滤组件输送气体之后还包括:
控制所述洗涤筒的排出水经粗过滤组件过滤后清洗所述超滤膜组件后 排出洗衣机。
21. 根据权利要求 19所述的洗衣控制方法, 向所述超滤膜组件和粗过 滤组件输送气体之后还包括:
控制所述洗涤筒的排出水清洗所述粗过滤组件后排出洗衣机。
22. 根据权利要求 19所述的洗衣控制方法, 其中
向所述粗过滤组件和超滤膜组件输送气体的同时,控制所述洗涤筒的排 出水清洗所述粗过滤组件或所述超滤膜组件后排出节水洗衣机。
23. 根据权利要求 19所述的洗衣控制方法, 向所述超滤膜组件和粗过 滤组件输送气体之后还包括:
向所述超滤膜组件进入清水;
控制所述清水沿着与所述超滤膜组件过滤水流向相反的方向进入,反向 清洗所述超滤膜组件和粗过滤组件后排出洗衣机。
24. 根据权利 19所述的洗衣控制方法, 向所述超滤膜组件和粗过滤组 件输送气体之后还包括:
向所述超滤膜组件进入清水;
控制所述清水沿着与所述超滤膜组件过滤水流向相反的方向进入,反向 清洗所述超滤膜组件后排出洗衣机。
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