WO2015168983A1 - 一种洗衣机控制方法及洗衣机 - Google Patents

一种洗衣机控制方法及洗衣机 Download PDF

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Publication number
WO2015168983A1
WO2015168983A1 PCT/CN2014/081454 CN2014081454W WO2015168983A1 WO 2015168983 A1 WO2015168983 A1 WO 2015168983A1 CN 2014081454 W CN2014081454 W CN 2014081454W WO 2015168983 A1 WO2015168983 A1 WO 2015168983A1
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WO
WIPO (PCT)
Prior art keywords
water
container
filter
flocculation
washing machine
Prior art date
Application number
PCT/CN2014/081454
Other languages
English (en)
French (fr)
Inventor
许升
邓金柱
彭秀文
李海涛
Original Assignee
青岛海尔洗衣机有限公司
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by 青岛海尔洗衣机有限公司 filed Critical 青岛海尔洗衣机有限公司
Priority to KR1020167034062A priority Critical patent/KR20170005057A/ko
Priority to EP14891284.3A priority patent/EP3141652B1/en
Priority to US15/309,081 priority patent/US10655265B2/en
Priority to JP2016563821A priority patent/JP6344580B2/ja
Publication of WO2015168983A1 publication Critical patent/WO2015168983A1/zh

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Classifications

    • 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
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F9/00—Multistage treatment of water, waste water or sewage
    • 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
    • D06F33/00—Control of operations performed in washing machines or washer-dryers 
    • D06F33/50—Control of washer-dryers characterised by the purpose or target of the control
    • D06F33/52—Control of the operational steps, e.g. optimisation or improvement of operational steps depending on the condition of the laundry
    • D06F33/58—Control of the operational steps, e.g. optimisation or improvement of operational steps depending on the condition of the laundry of rinsing
    • 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 
    • D06F39/006—Recovery arrangements, e.g. for the recovery of energy or water
    • 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
    • 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
    • D06F39/088—Liquid supply arrangements
    • 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
    • D06F39/20—
    • 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
    • D06F2103/00—Parameters monitored or detected for the control of domestic laundry washing machines, washer-dryers or laundry dryers
    • D06F2103/14—Supply, recirculation or draining of washing liquid
    • 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
    • D06F2105/00—Systems or parameters controlled or affected by the control systems of washing machines, washer-dryers or laundry dryers
    • D06F2105/06—Recirculation of washing liquids, e.g. by pumps or diverting valves
    • 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
    • D06F34/00—Details of control systems for washing machines, washer-dryers or laundry dryers
    • D06F34/14—Arrangements for detecting or measuring specific parameters
    • D06F34/22—Condition of the washing liquid, e.g. turbidity
    • D06F34/24—Liquid temperature
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B40/00—Technologies aiming at improving the efficiency of home appliances, e.g. induction cooking or efficient technologies for refrigerators, freezers or dish washers

Definitions

  • the invention relates to the field of washing machines, in particular to a circulating water-saving washing machine and a control method thereof, in particular to a washing machine and a control method with the function of flocculation and filtration circulating water treatment.
  • washing machines have become one of the main household appliances in daily life.
  • the washing process of the washing machine mainly includes several stages of washing, rinsing and drying. In the washing stage, the washing machine is filled with water and detergent to the clothes.
  • washing machine with water-saving function generally installs a water storage tank on the side of the washing machine, and uses a water pump for water injection and drainage, and generally can inject water once. Rinse 3 times to save water.
  • the washed water cannot be preserved, and the structure of the washing machine itself is complicated and large, which is not conducive to transportation, recycling and the like. Due to limitations in size, structure and flexibility, the original function of the washing machine and the function of the water-saving tank itself are fully exerted.
  • many manufacturers have invested a lot of research and development.
  • the existing washing machine has the function of circulating water, which only serves to filter the thread, evenly wash or add ozone, heavy metal ion sterilization and the like. There is no way to improve water consumption and there is no fundamental improvement in washing.
  • the recycling of the washing water after consulting the relevant patent documents, such as the application number 200810072420. 5 "washing machine circulating water saving device", is to enter the washing water into a water tank for purification treatment.
  • the invention directly discharges the washing water of the first pass without purification, and after the second and third rinse waters are purified, it is reserved for use in the next laundry.
  • the "circulating water technology” is used after purifying the rinsing water.
  • the technology cannot recycle the first washing water (initial washing water), and the purified water is also reserved for the next laundry use. Use when washing.
  • the existing flocculation water treatment technology is mostly used in industry, the equipment is large, and the requirements for water treatment are strict, especially for tap water treatment; while the washing machine is used for washing clothes, only need to deal with washing additives such as washing powder and detergent, so It is not necessary to directly reduce the cost of using existing large-scale equipment. Therefore, it is necessary to develop a flocculation water treatment equipment that reduces the cost and can realize the circulation of the washing water. In addition, in order to maintain the hygiene of the flocculation treatment water equipment, it is also necessary to clean it. .
  • the technical problem to be solved by the present invention is to overcome the deficiencies of the prior art and to provide a washing machine control method for circulating water by flocculation filtration technology.
  • Another object of the present invention is to provide a control method of the washing machine.
  • the basic idea of adopting the technical solution of the present invention is: A washing machine control method, the washing machine has a circulating water treatment function, and the water after washing is discharged to a flocculation container, after flocculation treatment, filtered through a filter container and discharged to The washing tub is rinsed, and the process is repeated until the rinsing is completed.
  • the floc produced by the flocculation stage of the circulating treatment water is controlled to be discharged, the rinsing is completed, and the flocculation container is washed with the rinsing water. Further, the sewage after cleaning the flocculation container is discharged into the filter container and discharged from the filter container. Further, the rinsing water is cleaned of the flocculation container, and the filter container is rinsed with tap water.
  • the process of flocculation treatment of water is: firstly, a quantitative flocculant is placed, and then the quantitative flocculant is flushed into the flocculation container by adding tap water, and after stirring for a set time, the set time is allowed to stand, the layering is performed, and the lower layer contains less floccules.
  • the clean water is introduced into the filter vessel, and the upper floc accumulates in the flocculation vessel until the last rinsing process, and the floc is discharged.
  • the floc in the flocculation container is detected to exceed the set upper limit, the flocculation is completed first, and the floc is discharged before the next flocculation treatment.
  • the floc when the floc is discharged, it is stirred while discharging, until the discharge is stopped. Further, after each time the treated water is introduced into the tub, it is judged whether or not the tap water needs to be replenished based on the detected water level and the set water level.
  • the amount of flocculant required for the flocculation treatment water is calculated according to the amount of detergent to be delivered, the amount of water in the wash, and the amount of water per flocculated water. Further, after standing and stratification, the lower layer of fresh water containing less floc is discharged into the filter container, and the discharge time is fixed by the set amount, or calculated according to the flocculant dosage amount and the flocculated water amount, or according to the turbidity measurement.
  • the washing machine of the present invention comprises a water tank, a flocculation container and a filter container, and the water tank, the flocculation container and the filter container are sequentially circulated through the pipeline to the water tank, and the flocculation container is provided with a stirring mechanism for stirring to accelerate the dissolution of the flocculant.
  • the filter container is provided with a rotatable filter mechanism and a filter self-cleaning mechanism for cleaning the filter mechanism by the inflow water flow;
  • the filter container is provided with a filter connected to the water tank The nozzle and the sewage outlet for discharging the washing water, the flocculation container is connected with the filter container, and the cleaning water for cleaning the flocculation container is discharged into the filter container and discharged from the sewage outlet of the filter container.
  • the stirring mechanism includes a stirring motor installed outside the flocculation container, an agitating shaft extending to the inside of the flocculation container, and an agitating impeller mounted on the agitating shaft, the cleaning mechanism including the water inlet to the inner wall of the flocculation container In the direction of the water impeller, the hydrophobic impeller is coaxially mounted on the agitating shaft.
  • the stirring impeller is installed at the bottom end of the stirring shaft, and the water impeller is installed at the position of the stirring shaft near the stirring motor.
  • the stirring motor drives the water impeller to rotate at a high speed, and the centrifugal force of the water pump is rotated by the centrifugal force.
  • the influent water is washed at a certain speed to the inner wall of the flocculation vessel for cleaning.
  • the stirring motor is controlled to operate at different speed stages.
  • the bending direction of the stirring impeller is opposite to the rotating direction of the stirring shaft during the stirring process.
  • a water guiding tank is arranged in the flocculation container to guide the water into the water impeller.
  • the flocculation container is provided with a flocculation water inlet, a flocculating agent injection port and a flocculation water outlet, and the filtering water inlet is connected with the water tank; the flocculation water outlet is connected with the filtering water inlet of the filter container, and the flocculation water outlet is simultaneously The flocculated water is discharged into the flocculated water outlet in the filter container and the washing water outlet that discharges the washing water into the filter container.
  • the filtering mechanism comprises a cylindrical filter barrel and a filter screen disposed on the filter barrel. The two ends of the filter barrel are pivotally connected to the filter container, one end of which is a rotary joint and the other end of which is sealed by a shaft.
  • the axial direction of the rotation of the filter mechanism has a tilt angle ⁇ , 0 ⁇ 30 ° with the horizontal mask.
  • the filter container is provided with a filter water inlet that communicates with the flocculation container, a filtered water outlet that discharges the filtered water, and a drain outlet that discharges the washing waste water to the outside, and the filtered water outlet communicates with the rotary joint of the filter mechanism.
  • the filtering self-cleaning mechanism comprises a spray head, and the spray head is mounted on the filter container, and the spray direction acts on the surface of the filter mechanism to drive the filter mechanism to rotate.
  • the filtering self-cleaning mechanism further includes a blade disposed on a surface of the filter barrel, and the blade corresponds to the water spray of the nozzle The direction is set to transmit the flow of water to drive the rotation of the filter bucket.
  • the washing machine of the present invention further comprises a flocculating agent automatic dosing device, and according to the washing water quantity and the turbidity of the washing/rinsing water, the flocculating agent is automatically put in a corresponding proportion during each flocculation treatment; if the flocculating agent is in the form of a sheet, the present invention can be used There is an automatic delivery structure of a tablet detergent. If the flocculant is in the form of granules or powder, a prior art quantitative delivery structure is employed. After adopting the above technical solutions, the present invention has the following advantageous effects as compared with the prior art.
  • the flocculation container and the filter container are self-cleaning, eliminating the manual cleaning step, improving the degree of automation, simple structure, and saving production cost;
  • the inner wall of the flocculation container is cleaned by using water and water, and the filtering mechanism is washed by the influent water, and the structure is simple;
  • the water for cleaning the flocculation container of the present invention can also pre-clean the filter container in advance through the filter container, and then further clean the water for secondary cleaning, and the cleaning effect is better;
  • the invention synchronizes the process of flocculation and flocculation with the last rinsing, saving time; rinsing the flocculation container with the rinsing water, and relatively saving water resources.
  • FIG. 1 is a schematic view of the washing machine of the present invention
  • FIG. 2 is a schematic view showing the assembly structure of the flocculation container and the filter container of the present invention
  • FIG. 3 is a schematic view of the filter container according to the present invention
  • Figure 4 is a cross-sectional view of the AA of Figure 3;
  • Figure 5 is a schematic cross-sectional view of the flocculation container of the present invention;
  • Figure 7 is a schematic view of the structure of the agitation mechanism and cleaning mechanism of the present invention;
  • 8 is a schematic flow chart of the control method of the washing machine of the present invention.
  • the washing machine of the present invention includes, but is not limited to, a pulsator washing machine and a drum washing machine.
  • the washing machine needs to have various parts of a common washing machine, including a main inlet valve 1, a washing bucket 2, and control.
  • the computer board, the driving device, the automatic detergent dispensing device and the drain valve 3 are cleaned, and the invention is improved on the basis thereof, and the utilization is increased.
  • the flocculation container 4 has a stirring mechanism 7 for agitating the water flow to accelerate the dissolution of the flocculating agent, and has a cleaning mechanism 8 for flushing the inner wall of the flocculation container;
  • the filter container 5 is provided with a rotatable filter mechanism 9 and is sprayed and cleaned by the influent water flow.
  • the filter container 5 is provided with a filtered water outlet 51 communicating with the tub 2 and a drain outlet 52 for discharging the washing water (see FIG. 3), and the flocculation container 4 is connected to the filter container 5,
  • the washing water for cleaning the flocculation container 4 is discharged into the filter container 5, and then discharged from the filter container drain port 52.
  • FIG. 1 As shown in FIG.
  • the flocculation container 4 is provided with a flocculation water inlet 41 and a flocculation water outlet 42.
  • the flocculation water inlet 41 communicates with the washing tub 2 through a drain pipe, and a drain valve 3 is disposed therebetween;
  • the sewage outlet 52 of the filtering container is provided with a drain valve 11; a communication valve 12 is disposed between the flocculation water outlet 42 and the filtering water inlet 53.
  • the washing machine of the present invention is further provided with a flocculating agent dosing device 13 and a flushing valve 14 (see Fig. 1), and the flushing valve 14 is introduced into the water to flush the quantitative flocculating agent dispensed by the flocculating agent dosing device 13 into the flocculation container 4.
  • the washing water is controlled to enter the flocculation container 4 through the drain valve 3, and the flocculant dosing device 13 dispenses the flocculant of the quantitative M1, and the amount Ml of the flocculant is used by the washing machine computer.
  • the plate is calculated by the detergent dosage and the amount of washing water; the flushing valve 14 is opened for a certain time t1, the influent water flushes the flocculating agent into the flocculation container 4, and tl is related to the flocculating agent dosage; and then the stirring mechanism 7 is used to stir the setting.
  • the fixed time t2, t2 is a fixed value; after the flocculation process is completed, the set time t3 is allowed to make the floc floated after flocculation, t3 is determined according to the flocculation layering effect, and may be a fixed value or a turbidity measurement result.
  • the communication valve 12 is closed, the drain pump 6 is stopped, the washing machine detects the water level in the washing tub, and rinses after hydrating.
  • the flocculation treatment procedure is repeated, wherein the amount of the flocculant is changed to M2, M3, M4 ⁇ according to the number of rinsing. The flocculation treatment is no longer performed during the last rinse and the flushing procedure is changed.
  • the flushing procedure is divided into three parts: (1) Sewage discharge, at the beginning of the last rinsing, the communication valve 12 and the blowdown valve 11 are simultaneously opened, and the stirring motor is rotated for a duration t4, t4 according to the amount of water remaining in the flocculation vessel 4 and the drainage speed. It is concluded that the water level sensing device is installed in the flocculation container 4, and the water discharge is stopped. (2) Flushing the flocculation container 4, when the drain valve 3 starts to work, the stirring mechanism 7 operates at the same time, the communication valve 12 and the blowdown valve 11 are simultaneously opened; when the draining is completed, the communication valve 12 is closed, and the drain valve 11 is closed.
  • the water circulation treatment control method of the washing machine of the present invention is: the water circulation treatment is that the washing water of the washing machine is recycled after being flocculated, and the flocculated water is calculated according to the amount of detergent, the amount of washing water and the amount of water per flocculation treatment.
  • the washing machine selects the corresponding washing water intake amount according to the amount of laundry.
  • the washing water intake amount can be calculated by measuring the influent water level by the water level detecting device, or calculated by the influent flow meter and the water inflow time.
  • the amount of detergent delivered is calculated based on the amount of laundry and the degree of soiling of the laundry.
  • the degree of soiling of the clothes is generally determined by the user.
  • the degree of soiling of the clothes of the washing machine is set to three levels of light, medium and heavy, but not limited to three levels; or, the washing machine has a function of automatically detecting the dirtiness of the clothes, which is current technology.
  • the water is discharged to a flocculation container for flocculation treatment, and the amount of water of the flocculated water is detected, which is recorded as L1, the amount of detergent is recorded as M, and the amount of washing water is recorded as L, when the washing water is flocculated,
  • the water is discharged to the flocculation container for the second flocculation treatment. Since the concentration of the washing liquid is very low, the flocculant dosage needs to be adjusted according to the amount of the second flocculation treatment, and the second flocculation is detected.
  • the water is discharged to the flocculation container for the third flocculation treatment, and the value of (N1 + N2) / aM is calculated, compared with the set value t, if (N1 + N2) / aM is greater than t, the delivery is performed.
  • the stirring mechanism 7 of the present embodiment includes a stirring motor 71 attached to the outside of the flocculation container 4, an agitating shaft 72 extending to the inside of the flocculation container 4, and a stirring impeller mounted on the agitating shaft 72.
  • the cleaning mechanism 8 includes a water-repellent impeller 81 that feeds the water inlet to the inner wall of the flocculation container 4, and the water-repellent impeller 81 is coaxially mounted on the agitating shaft 72.
  • the flocculation container 4 is provided with a water-conducting tank 43 to be filled with water. It is guided by the water inlet 41 of the flocculation container to the water impeller 81.
  • the water guiding structure is not essential.
  • the water inlet 41 is provided above the water impeller 81 and is fed to the water impeller.
  • the agitating impeller 73 is attached to the bottom end of the agitating shaft 72, and the water-repellent impeller 81 is attached to the agitating shaft 72 at a position close to the agitating motor 71.
  • the agitating motor 71 drives the water-repellent impeller 81 to rotate at high speed due to drowning.
  • the centrifugal force of the impeller rotates, and the influent water is sucked to the inner wall of the flocculation container at a certain speed for cleaning.
  • the stirring motor is controlled to run at different speeds, so that the water will fall to different heights in the inner wall of the flocculation container. .
  • the filter mechanism 9 of the present embodiment includes a filter barrel 91 and a filter net 92 disposed on the filter barrel. Both ends of the filter barrel 91 are pivotally connected to the filter container 5, and one end thereof is The rotary outlet joint 93 communicating with the water outlet 51 is filtered, and the other end shaft is sealed; the rotation axial direction L of the filter mechanism 9 has an oblique angle a, a 30 ° with the horizontal plane R. By tilting or traversing the filter mechanism, it not only increases the filter area, speeds up the filtration, but also facilitates filter cleaning.
  • the filtered water flow path is that the treated water flocculated by the flocculation vessel 4 enters the filter vessel 5 through the filter inlet 53 and is filtered by the filter 92 to enter the filter tank 91, and then filtered by the rotary outlet joint 93 of the end.
  • the water outlet 51 is discharged into the washing tub 2 .
  • the self-cleaning mechanism 10 of the present embodiment includes a spray head 101.
  • the spray head 101 is mounted on the filter container 5, and the spray direction acts on the surface of the filter mechanism 9, driving the filter mechanism 9 to rotate.
  • the filter 92 can be cleaned by using an influent water spray.
  • the spray head 101 is sprayed in a direction close to the filter barrel 91. Since the filter mechanism is inclined at a small angle to the horizontal plane, the water spray pressure and gravity act on the surface of the filter bucket to increase the impact of driving the filter mechanism.
  • the filter self-cleaning mechanism 10 further includes a blade 94 (see FIG. 5) disposed on the surface of the filter bucket 91, and the blade 94 is disposed corresponding to the spray direction of the spray head 101 to transmit the water flow to drive the filter mechanism 9 to rotate. power.
  • the invention can also be driven by a motor driven filter bucket, or can be driven by a motor driven spray.
  • the filter drum filter is cleaned by the centrifugal force and the impact force of the water flow.

Abstract

一种洗衣机控制方法及洗衣机，该洗衣机包括盛水桶（2）、絮凝容器（4）和过滤容器（5），通过管路依次将盛水桶（2）、絮凝容器（4）、过滤容器（5）再至盛水桶（2）循环连通，絮凝容器（4）设有搅拌以加速絮凝剂溶解的搅拌机构（7）和冲刷清洗絮凝容器内壁的清洗机构（8）；过滤容器（5）内设有可转动的过滤机构（9）和利用进水水流喷淋清洗过滤机构的过滤自清洁机构（10）。洗涤结束的水排至絮凝容器，絮凝处理后，经过滤容器过滤后排至洗衣机盛水桶进行漂洗，往复循环该处理过程直至漂洗完成，最后一次漂洗过程中，控制将循环处理水絮凝阶段产生的絮凝物排出，漂洗完成，利用漂洗水清洗絮凝容器，提高了自动化程度，结构简单，并可节约生产成本。

Description

说 明 书
一种洗衣机控制方法及洗衣机
技术领域
本发明涉及洗衣机领域， 具体是循环节水洗衣机及控制方法， 尤其是一种具有絮凝过滤 循环处理水功能的洗衣机及控制方法。 背景技术 随着人们生活水平的提高， 洗衣机现已成为人们日常生活的主要家电之一， 洗衣机的洗 衣过程主要包括洗涤、 漂洗、 甩干几个阶段， 在洗涤阶段洗衣机进水和洗涤剂对衣物进行洗 涤， 进入漂洗阶段后为了漂净污渍和残留的洗涤剂， 需要进更多的水或执行更多的漂洗次数 对衣物进行漂洗， 这势必耗费大量的水资源， 即使是省水的滚筒洗衣机， 为了漂净衣物也需 要漂洗至少两次， 这一过程至少要消耗 30L以上的自来水。 有时衣物上的污渍较少或投放的 洗涤剂较少， 可能两次就漂洗干净了， 但由于用户选择了 3次漂洗， 势必也会造成水资源的 浪费， 比如 6Kg的全自动洗衣机一般两次漂洗水基本用水量在 100升左右。 如何在洗净衣服 的同时能够做到省水省电， 一直是消费者关注的焦点之一。 目前为止尚未有家用洗衣机配套使用的水净化及循环利用装置， 即便是所谓的带有节水 功能的洗衣机， 一般在洗衣机的侧位安装储水箱， 采用水泵进行注水和排水， 一般能够一次 注水， 漂洗 3次， 起到节水功能。 但洗涤后的水不能够保存， 同时使洗衣机本身结构复杂、 庞大， 不利于运输、 回收处理等。 由于体积、 结构以及灵活性等方面的限制， 影响了洗衣机 原有功能以及节水箱本身功能的充分发挥。在现有洗衣方式的基础上为了更好的节约水资源， 很多厂家投入了大量的研发。 现有洗衣机带有循环水功能， 其仅仅起到过滤线屑， 洗涤均匀或者添加加臭氧、 重金属 离子杀菌等作用。 无法改善耗水量， 且对洗净没有根本的提高。 洗衣水的循环利用， 经查阅相关专利文献， 如申请号为 200810072420. 5的"洗衣机循环 用水节水装置" ， 是将洗衣水输入一个水筒内， 进行净化处理。 该发明对于第一遍的洗衣水 不进行净化直接排掉， 对于第二、 第三遍的漂洗用水进行净化处理之后， 要留待下次洗衣时 使用。 在上述技术中， "循环用水技术"是对漂洗水净化后使用， 该技术不能循环利用第一遍 洗衣水 (初洗水）， 净化后的水也要留待下次洗衣使用， 不能在当次洗衣时使用。 现有的絮凝水处理技术大多用于工业， 设备较大， 用于水处理要求较为严格， 尤其是自 来水处理； 而洗衣机用于洗涤衣物， 仅仅需要处理洗衣粉、 洗涤剂等洗涤用添加剂， 因此直 接将现有大型设备缩小使用成本较高， 也没必要， 因此需要研发一种降低成本且能实现洗衣 水循环使用的絮凝处理水设备； 另外为了保持絮凝处理水设备的卫生也需要对其进行清洗。
有鉴于此特提出本发明。 ^馳
本发明要解决的技术问题在于克服现有技术的不足， 提供一种利用絮凝过滤技术循环处 理水的洗衣机控制方法。 本发明另一目的在于提供该洗衣机的控制方法。 为解决上述技术问题， 本发明采用技术方案的基本构思是： 一种洗衣机控制方法， 该洗 衣机具有循环水处理功能， 洗涤结束的水排至絮凝容器， 絮凝处理后， 经过滤容器过滤后排 至洗衣机盛水桶进行漂洗， 往复循环该处理过程直至漂洗完成， 最后一次漂洗过程中， 控制 将循环处理水絮凝阶段产生的絮凝物排出， 漂洗完成， 利用漂洗水清洗絮凝容器。 进一步的， 清洗絮凝容器后的污水排入过滤容器， 由过滤容器排出。 进一步的， 漂洗水清洗絮凝容器完毕， 进自来水冲洗过滤容器。 进一步的， 絮凝处理水的过程为： 先投放定量的絮凝剂， 然后进自来水将定量絮凝剂冲 入絮凝容器， 搅拌设定时间后， 静置设定时间， 分层， 将下层含絮凝物少的清水导入过滤容 器中， 上层絮凝物积攒在絮凝容器内， 直至最后一次漂洗过程， 将絮凝物排出。 进一步的， 在循环处理水的过程中， 若检测絮凝容器内的絮凝物超过设定的上限， 则先 完成该次絮凝， 将絮凝物排出后再进行下一次絮凝处理水。 进一步的， 排放絮凝物时， 一边排放一边搅拌， 直至排完停止。 进一步的， 在每次将处理后的水导入盛水桶后， 根据检测的水位和设定水位比较， 判断 是否需要补自来水。
进一步的， 根据洗涤剂投放量、 洗涤进水量和每次絮凝处理水的水量， 计算该次絮凝处 理水所需要的絮凝剂投放量。 进一步的， 静置分层后下层含絮凝物少的清水排入过滤容器中， 排放时间通过设定量固 定， 或根据絮凝剂投放量和絮凝水量计算得出， 或者根据浊度测量得出。 本发明所述的洗衣机， 包括盛水桶、 絮凝容器和过滤容器， 通过管路依次将盛水桶、 絮 凝容器、 过滤容器再至盛水桶循环连通， 絮凝容器设有搅拌以加速絮凝剂溶解的搅拌机构和冲刷清洗絮凝容器内壁的清洗机构； 过滤容器内设有可转动的过滤机构和利用进水水流喷淋清洗过滤机构的过滤自清洁机 构； 所述的过滤容器设有与盛水桶连通的过滤出水口和将清洗水排出的排污口， 絮凝容器与 过滤容器连通， 清洗絮凝容器的清洗水排入过滤容器后由过滤容器排污口排出。 进一步的， 所述的搅拌机构包括安装于絮凝容器外部的搅拌电机、 延伸至絮凝容器内部 的搅拌轴和安装于搅拌轴上的搅拌叶轮， 所述的清洗机构包括将进水甩向絮凝容器内壁方向 的甩水叶轮， 所述的甩水叶轮同轴安装在搅拌轴上。 将搅拌叶轮安装于搅拌轴的底端， 甩水叶轮安装于搅拌轴靠近搅拌电机的位置， 进水清 洗絮凝容器时， 搅拌电机高速驱动甩水叶轮转动， 由于甩水叶轮转动离心力的作用， 将进水 以一定速度甩到絮凝容器内周壁进行清洗， 为了扩大甩水范围， 控制搅拌电机以不同转速阶 段运行。 进一步的， 所述的搅拌叶轮的弯曲方向与搅拌过程搅拌轴的转动方向相反。 进一步的， 絮凝容器内设置有导水槽将进水导至甩水叶轮上。 进一步的， 所述的絮凝容器设有絮凝进水口、 絮凝剂投放口及絮凝出水口， 过滤进水口 与盛水桶连通； 絮凝出水口与过滤容器的过滤进水口连通， 该絮凝出水口同时为将絮凝水排 入过滤容器内的絮凝水出口和将清洗水排入过滤容器内的清洗水出口。 进一步的， 所述的过滤机构包括筒形过滤桶和设于过滤桶上的滤网， 过滤桶两端与过滤 容器枢轴连接， 其一端为旋转接头， 另一端轴密封。 进一步的， 所述过滤机构转动的轴向与水平面具有一倾斜夹角 α， 0 α 30 ° 。 进一步的， 所述的过滤容器设有与絮凝容器连通的过滤进水口、 将过滤后的水排出的过 滤出水口及将清洗废水排出外部的排污口， 过滤出水口与过滤机构旋转接头连通。 进一步的， 所述的过滤自清洁机构包括喷头， 喷头安装于过滤容器上， 喷水方向作用于 过滤机构表面， 驱动过滤机构转动。 进一步的， 所述的过滤自清洁机构还包括设于过滤桶表面的桨叶， 桨叶对应喷头的喷水 方向设置， 以传递水流驱动过滤桶转动的动力。 进一步的， 本发明洗衣机还包括絮凝剂定量自动投放装置， 根据洗涤水量和洗涤 /漂洗水 的浑浊度， 每次絮凝处理时自动投放对应比例的絮凝剂； 若絮凝剂为片状， 可采用现有片状 洗涤剂的自动投放结构， 若絮凝剂为颗粒或粉状， 则采用现有技术的定量投放结构。 采用上述技术方案后， 本发明与现有技术相比具有以下有益效果。
1、 絮凝容器和过滤容器均实现了自清洁， 免去了手动清理的步骤， 提高了自动化程度， 结构简单， 并可节约生产成本；
2、 采用进水甩水清洗絮凝容器内壁， 和利用进水冲洗过滤机构， 结构简单；
3、本发明清洗絮凝容器的水经过过滤容器也可以提前对过滤容器进行预清洗， 后续再进 清水进行二次清洗， 清洗效果更好；
4、 本发明将絮凝排絮凝物过程与最后一次漂洗同步， 节约时间； 利用漂洗水对絮凝容器 冲洗， 相对节约水资源。
附图说明
图 1是本发明所述的洗衣机示意图；
图 2是本发明所述絮凝容器和过滤容器装配结构示意图； 图 3是本发明所述的过滤容器示意图；
图 4是图 3的 A-A向断面示意图； 图 5是图 3的 B-B向断面示意图； 图 6是本发明所述的絮凝容器示意图； 图 7是本发明所述搅拌机构和清洗机构结构示意图； 图 8是本发明洗衣机控制方法流程示意图。 具体实施方式
下面结合附图对本发明的具体实施方式作进一步详细的描述。
如图 1和图 2所示， 本发明所述的洗衣机包括但不局限于波轮洗衣机和滚筒洗衣机， 洗 衣机需要具备普通洗衣机的各个部分， 包括主进水阀 1、洗涤用的盛水桶 2， 控制洗涤的电脑 板、 驱动装置、 洗涤剂自动投放装置和排水阀 3， 本发明在其基础上作出改进， 增加了利用 絮凝剂絮凝处理洗衣用水的絮凝容器 4和过滤絮凝处理水的过滤容器 5， 以及连接盛水桶 2、 絮凝容器 4、过滤容器 5的管路和将处理水重新排入盛水桶 2内的排水泵 6。絮凝容器 4具有 搅拌机构 7用于搅拌水流加速絮凝剂的溶解， 还具有冲刷清洗絮凝容器内壁的清洗机构 8; 过滤容器 5内设有可转动的过滤机构 9和利用进水水流喷淋清洗过滤机构的过滤自清洁机构 10；所述的过滤容器 5设有与盛水桶 2连通的过滤出水口 51和将清洗水排出的排污口 52 (参 阅图 3 ) ， 絮凝容器 4与过滤容器 5连通， 清洗絮凝容器 4的清洗水排入过滤容器 5后由过 滤容器排污口 52排出。 如图 2所示， 所述的絮凝容器 4设有絮凝进水口 41和絮凝出水口 42， 絮凝进水口 41与 洗衣机盛水桶 2通过排水管路连通， 之间设有排水阀 3; 过滤容器 5还设有与絮凝出水口 42 连通的过滤进水口 53， 过滤容器的排污口 52上设有排污阀 11 ; 絮凝出水口 42和过滤进水口 53之间设有一连通阀 12。 本发明洗衣机还设有絮凝剂定量投放装置 13和投放冲水阀 14 (参 阅图 1 ) ， 投放冲水阀 14进水将絮凝剂定量投放装置 13投放的定量絮凝剂冲入絮凝容器 4 中。
如图 8所示， 本发明洗衣机洗涤完成后， 通过排水阀 3控制洗涤水进入絮凝容器 4后， 絮凝剂定量投放装置 13投放定量 Ml的絮凝剂，每次絮凝剂的投放量 Ml由洗衣机电脑板通过 洗涤剂投放量和洗涤水量计算得出； 打开投放冲水阀 14一定时间 tl， 进水将絮凝剂冲入絮 凝容器 4中， tl与絮凝剂投放量有关； 然后通过搅拌机构 7搅拌设定时间 t2， t2为固定值; 待絮凝过程完成后， 静置设定时间 t3使得絮凝后的絮凝物漂浮， t3根据絮凝物分层效果决 定， 可以为固定值， 也可以根据浊度测量结果决定； 然后打开絮凝容器底部与过滤容器 5之 间的连通阀 12， 使絮凝容器 4内底层含絮凝物较少的清水排入过滤容器 5， 通过过滤机构 9 对絮凝后的水进行过滤， 过滤后通过排水泵 6返回洗衣机盛水桶 2， 由于过滤的速度可能比 排水泵抽水的速度慢， 排水泵 6可以根据实际情况间歇工作。
将过滤后的水排至洗衣机盛水桶 2后， 连通阀 12关闭， 排水泵 6停止， 洗衣机检测洗涤 桶内水位， 补水后进行漂洗。 漂洗后重复进行絮凝处理程序， 其中絮凝剂的投放量根据漂洗 次数变为 M2、 M3、 M4〜。 最后一次漂洗时不再进行絮凝处理， 改为冲洗程序。 冲洗程序分为 三个部分： （1 )排污， 最后一次漂洗开始时， 连通阀 12和排污阀 11同时打开， 搅拌电机转 动， 持续时间 t4， t4根据絮凝容器 4内残留的水量和排水速度计算得出， 或者絮凝容器 4内 安装水位传感装置， 检测到水排完停止。 （2 ) 冲洗絮凝容器 4， 排水阀 3开始工作时， 搅拌 机构 7同时工作， 连通阀 12和排污阀 11同时打开； 排水结束时连通阀 12关闭， 排污阀 11 保持开打状态. （3) 冲洗过滤容器 5， 主进水阀 1打开并持续时间 t5， 冲水结束后 5S， 过滤 容器 5内水排干净后排污阀 11关闭。 冲洗过程全部结束， 洗衣机程序全部结束。
实施例一
本发明所述的洗衣机水循环处理控制方法为： 水循环处理为洗衣机洗涤水经絮凝处理后 循环再使用， 根据洗涤剂投放量、 洗涤进水量和每次絮凝处理水的水量， 计算该次絮凝处理 水所需要的絮凝剂投放量。 其中， 洗衣机根据衣物投放量， 选择对应的洗涤进水量。 该洗涤进水量可以通过水位检 测装置测量进水水位计算得到， 或者， 通过进水流量计和进水时间计算得到。 根据衣物投放 量和衣物脏污程度， 计算得出洗涤剂投放量。 衣物脏污程度一般由用户确定选择， 洗衣机对 应衣物脏污程度设有轻、 中、 重三个等级， 但不限定为三个等级； 或者， 洗衣机具备自动检 测衣物脏污度的功能， 该为现有技术。 具体为： 洗涤完成后， 将水排至絮凝容器进行絮凝处理， 检测絮凝处理水的水量， 记为 Ll， 洗涤剂投放量记为 M， 洗涤进水量记为 L， 由于絮凝处理洗涤水时， 絮凝剂的投放量是根 据洗涤剂的量来确定的， 即处理水中洗涤剂含量为 M时， 絮凝剂投放量为 aM， 而本发明是将 洗涤水转移至絮凝容器内絮凝处理， 因此水量有变化， 根据絮凝容器内的水量计算， 絮凝剂 投放量为 Nl = aMLl/L， 其中， a为常数， 与洗涤剂和絮凝剂的类型有关； 絮凝完成， 将处理 后的水重新导入盛水桶进行漂洗。 第一次漂洗完成， 将水排至絮凝容器进行第二次絮凝处理， 由于洗涤液浓度很低了， 因 此， 絮凝剂投放量需要根据第二次絮凝处理的水量进行调整， 检测第二次絮凝处理水的水量， 记为 L2， 则该次絮凝处理水所需要的絮凝剂投放量为 N2= 〔aM (L— LI ) /L〕 十 bL2， 其中， b 为常数， 与洗涤剂和絮凝剂的类型有关； 絮凝完成， 将处理后的水重新导入盛水桶进行第 二次漂洗。 第二次漂洗完成， 将水排至絮凝容器进行第三次絮凝处理， 计算 （N1 +N2) /aM 的值， 与设定值 t比较， 若 （N1 +N2) /aM大于 t， 则投放固定絮凝剂量 N3 = Nmin， 否则， 投放固 定絮凝剂量 N3 = Nmax， Nmax>Nmin, Nmax和 Nmin为设定值。 一般的， 洗衣机洗涤衣物， 默认采用两次漂洗， 若需要进行多次漂洗， 则第 i次絮凝处 理时， i ^3,计算 的值， 与设定值 t比较，若大于 t， 则投放固定絮凝剂量 Ni =Nmin， 否则， 投放固定絮凝剂量 Ni =Nmax。 实施例二
如图 6和图 7所示， 本实施例所述的搅拌机构 7包括安装于絮凝容器 4外部的搅拌电机 71、 延伸至絮凝容器 4内部的搅拌轴 72和安装于搅拌轴 72上的搅拌叶轮 73; 所述的清洗机 构 8包括将进水甩向絮凝容器 4内壁方向的甩水叶轮 81， 甩水叶轮 81同轴安装在搅拌轴 72 上， 絮凝容器 4内设置有导水槽 43将进水由絮凝容器的进水口 41导至甩水叶轮 81上。该导 水槽结构并不是必不可少的， 例如， 进水口 41设在甩水叶轮 81上方， 进水直至甩水叶轮上。
搅拌叶轮 73安装于搅拌轴 72的底端，甩水叶轮 81安装于搅拌轴 72靠近搅拌电机 71的 位置， 进水清洗絮凝容器 4时， 搅拌电机 71高速驱动甩水叶轮 81转动， 由于甩水叶轮转动 离心力的作用， 将进水以一定速度甩到絮凝容器内周壁进行清洗， 为了扩大甩水范围， 控制 搅拌电机以不同转速阶段运行， 如此， 甩水会落到絮凝容器内周壁不同的高度。
实施例三
如图 4和图 5所示，本实施例所述的过滤机构 9包括过滤桶 91和设于过滤桶上的过滤网 92， 过滤桶 91两端与过滤容器 5枢轴连接， 其一端为与过滤出水口 51相通的旋转出水接头 93， 另一端轴密封； 所述过滤机构 9的转动轴向方向 L与水平面 R具有一倾斜夹角 a， a 30 ° 。 通过倾斜或横置过滤机构， 不仅能够增大过滤面积， 加快过滤速度， 而且利于过滤 网清洗。
本实施例过滤水流路径为絮凝容器 4絮凝后的处理水由过滤进水口 53进入到过滤容器 5 内， 经过滤网 92过滤后进入过滤桶 91内， 再由端部的旋转出水接头 93经过滤出水口 51排 出至洗衣机盛水桶 2内。 实施例四
如图 3至图 5所示， 本实施例所述的过滤自清洁机构 10包括喷头 101， 喷头 101安装于 过滤容器 5上， 喷水方向作用于过滤机构 9表面， 驱动过滤机构 9转动， 同时可利用进水水 流喷淋清洗过滤网 92。 喷头 101喷水方向为接近与过滤桶 91相切的方向， 由于过滤机构与 水平面小角度倾斜设置， 喷水压力和重力作用于过滤桶表面， 增大驱动过滤机构转动的冲击 力。
进一步的， 所述的过滤自清洁机构 10还包括设于过滤桶 91表面的桨叶 94 (参阅图 5)， 桨叶 94对应喷头 101的喷水方向设置， 以传递水流驱动过滤机构 9转动的动力。 本发明也可以使用电机驱动过滤桶进行转动， 也可以使用电机驱动加喷淋同时进行的方 式， 利用离心力和水流的冲击力对过滤桶过滤网进行清洗。
上述实施例中的实施方案可以进一步组合或者替换， 且实施例仅仅是对本发明的优选实 施例进行描述， 并非对本发明的构思和范围进行限定， 在不脱离本发明设计思想的前提下， 本领域中专业技术人员对本发明的技术方案作出的各种变化和改进， 均属于本发明的保护范 围。

Claims

权 利 要 求 书
1、一种洗衣机控制方法，该洗衣机具有循环水处理功能，洗涤结束的水排至絮凝容器， 絮凝处理后， 经过滤容器过滤后排至洗衣机盛水桶进行漂洗， 往复循环该处理过程直至漂 洗完成， 其特征在于： 最后一次漂洗过程中， 控制将循环处理水絮凝阶段产生的絮凝物排 出， 漂洗完成， 利用漂洗水清洗絮凝容器。
2、 根据权利要求 1所述的洗衣机控制方法， 其特征在于： 清洗絮凝容器后的污水排入 过滤容器， 由过滤容器排出。
3、 根据权利要求 1或 2所述的洗衣机控制方法， 其特征在于： 漂洗水清洗絮凝容器完 毕， 进自来水冲洗过滤容器。
4、 根据权利要求 1所述的洗衣机控制方法， 其特征在于： 絮凝处理水的过程为： 先投 放定量的絮凝剂， 然后进自来水将定量絮凝剂冲入絮凝容器， 搅拌设定时间后， 静置设定 时间， 分层， 将下层含絮凝物少的清水导入过滤容器中， 上层絮凝物积攒在絮凝容器内， 直至最后一次漂洗过程， 将絮凝物排出。
5、 根据权利要求 1所述的洗衣机控制方法， 其特征在于： 在循环处理水的过程中， 若 检测絮凝容器内的絮凝物超过设定的上限， 则先完成该次絮凝， 将絮凝物排出后再进行下 一次絮凝处理水。
6、 根据权利要求 1或 4或 5所述的洗衣机控制方法， 其特征在于： 排放絮凝物时， 一 边排放一边搅拌， 直至排完停止。
7、 根据权利要求 1所述的洗衣机控制方法， 其特征在于： 在每次将处理后的水导入盛 水桶后， 根据检测的水位和设定水位比较， 判断是否需要补自来水。
8、 根据权利要求 4所述的洗衣机控制方法， 其特征在于： 根据洗涤剂投放量、 洗涤进 水量和每次絮凝处理水的水量， 计算该次絮凝处理水所需要的絮凝剂投放量。
9、 根据权利要求 4所述的洗衣机控制方法， 其特征在于： 静置分层后下层含絮凝物少 的清水排入过滤容器中， 排放时间通过设定量固定， 或根据絮凝剂投放量和絮凝水量计算 得出， 或者根据浊度测量得出。
10、 一种具有如权利要求 1-9任一所述控制方法的洗衣机， 包括盛水桶、 絮凝容器和 过滤容器， 通过管路依次将盛水桶、 絮凝容器、 过滤容器再至盛水桶循环连通， 其特征在 于：
絮凝容器设有搅拌以加速絮凝剂溶解的搅拌机构和冲刷清洗絮凝容器内壁的清洗机 构； 过滤容器内设有可转动的过滤机构和利用进水水流喷淋清洗过滤机构的过滤自清洁机 构； 所述的过滤容器设有与盛水桶连通的过滤出水口和将清洗水排出的排污口， 絮凝容器 与过滤容器连通， 清洗絮凝容器的清洗水排入过滤容器后由过滤容器排污口排出。
11、 根据权利要求 10所述的洗衣机， 其特征在于： 所述的搅拌机构包括安装于絮凝容 器外部的搅拌电机、 延伸至絮凝容器内部的搅拌轴和安装于搅拌轴上的搅拌叶轮， 所述的 清洗机构包括将进水甩向絮凝容器内壁方向的甩水叶轮， 所述的甩水叶轮同轴安装在搅拌 轴上。
12、 根据权利要求 11所述的洗衣机， 其特征在于： 所述的搅拌叶轮的弯曲方向与搅拌 过程搅拌轴的转动方向相反。
13、 根据权利要求 11或 12所述的洗衣机， 其特征在于： 所述的絮凝容器内设置有导 水槽将进水导至甩水叶轮上。
14、 根据权利要求 10所述的洗衣机， 其特征在于： 所述的过滤机构包括筒形过滤桶和 设于过滤桶上的滤网， 过滤桶两端与过滤容器枢轴连接， 其一端为旋转接头， 另一端轴密 封。
15、 根据权利要求 14所述的洗衣机， 其特征在于： 所述过滤机构转动的轴向与水平面 具有一倾斜夹角 t， 0 α 30 ° 。
16、 根据权利要求 14所述的洗衣机， 其特征在于： 所述的过滤容器设有与絮凝容器连 通的过滤进水口、 将过滤后的水排出的过滤出水口及将清洗废水排出外部的排污口， 过滤 出水口与过滤机构旋转接头连通。
17、 根据权利要求 14或 15或 16所述的洗衣机， 其特征在于： 所述的过滤自清洁机构 包括喷头， 喷头安装于过滤容器上， 喷水方向作用于过滤机构表面， 驱动过滤机构转动。
18、 根据权利要求 17所述的洗衣机， 其特征在于： 所述的过滤自清洁机构还包括设于 过滤桶表面的桨叶， 桨叶对应喷头的喷水方向设置， 以传递水流驱动过滤桶转动的动力。
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CN201258412Y (zh) * 2008-10-24 2009-06-17 卢菁 一种洗衣机废水循环利用装置
CN203411822U (zh) * 2013-08-14 2014-01-29 中国石油大学(华东) 洗衣机循环水净化节水装置

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EP3141652B1 (en) 2018-08-22
EP3141652A1 (en) 2017-03-15
US10655265B2 (en) 2020-05-19
US20170073878A1 (en) 2017-03-16
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JP2017522913A (ja) 2017-08-17
CN105088642B (zh) 2019-04-05

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