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WO2015143784A1 - 一种具有自清洁功能的洗衣机循环节水过滤装置及洗衣机 - Google Patents

一种具有自清洁功能的洗衣机循环节水过滤装置及洗衣机 Download PDF

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Publication number
WO2015143784A1
WO2015143784A1 PCT/CN2014/079774 CN2014079774W WO2015143784A1 WO 2015143784 A1 WO2015143784 A1 WO 2015143784A1 CN 2014079774 W CN2014079774 W CN 2014079774W WO 2015143784 A1 WO2015143784 A1 WO 2015143784A1
Authority
WO
WIPO (PCT)
Prior art keywords
water
filter
washing machine
container
flocculation
Prior art date
Application number
PCT/CN2014/079774
Other languages
English (en)
French (fr)
Inventor
吕艳芬
邓金柱
李海涛
彭秀文
Original Assignee
海尔集团公司
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
Priority claimed from CN201410119225.9A external-priority patent/CN104947385B/zh
Application filed by 海尔集团公司, 青岛海尔洗衣机有限公司 filed Critical 海尔集团公司
Priority to KR1020167029647A priority Critical patent/KR20160134851A/ko
Priority to JP2016554610A priority patent/JP6418535B2/ja
Priority to US15/128,507 priority patent/US20170159228A1/en
Priority to EP14887169.2A priority patent/EP3124674B1/en
Publication of WO2015143784A1 publication Critical patent/WO2015143784A1/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
    • D06F39/083—Liquid discharge or recirculation arrangements
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D37/00—Processes of filtration
    • B01D37/03—Processes of filtration using flocculating agents
    • 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
    • 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
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2307/00—Location of water treatment or water treatment device
    • C02F2307/12—Location of water treatment or water treatment device as part of household appliances such as dishwashers, laundry washing machines or vacuum cleaners

Definitions

  • the invention relates to a washing machine circulating water treatment device, in particular to a washing machine circulating water saving device adopting a flocculation filtering method, in particular to a washing machine circulating water saving filtering device and a washing machine with a self-cleaning function.
  • a washing machine circulating water treatment device in particular to a washing machine circulating water saving device adopting a flocculation filtering method, in particular to a washing machine circulating water saving filtering device and a washing machine with a self-cleaning function.
  • 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 Chinese patent application No. 03256181. 4 discloses a water-saving washing machine, which has an initial filtering device in front of the water outlet of the washing tub, and a water storage bucket. The bottom of the water storage bucket is provided with a flocculation tank, above the flocculation tank. A filtering device is provided, and the flocculation tank is connected to the washing tub through the pipeline, the flocculation tank also has a sewage outlet, and the pipeline is provided with a pump. Since the above-described structural filtration device does not have a cleaning function, after a long period of use, the filtration device may cause clogging and affect the water circulation treatment.
  • the present invention has been made in view of the above. Summary of the invention
  • the technical problem to be solved by the present invention is to overcome the deficiencies of the prior art and provide a washing machine water-saving filter device with a self-cleaning function with a simple structure.
  • Another object of the present invention is to provide a washing machine having the circulating water-saving filter device.
  • the basic idea of adopting the technical solution of the present invention is: a washing machine water-saving filtering device with self-cleaning function, comprising a filtering container and a filtering mechanism, wherein the filtering mechanism is rotatably disposed inside the filtering container
  • the filtering device further includes a self-cleaning mechanism that uses the influent water flow to drive the filter mechanism to rotate and spray the cleaning filter mechanism.
  • the filtering mechanism comprises a cylindrical filter frame and a filter screen disposed on the filter frame.
  • the two ends of the filter frame are pivotally connected to the filter container, one end of which is a rotary joint and the other end of which is axially sealed.
  • the filter container is provided with a circulating water inlet of the washing machine, a water outlet for discharging the filtered water, and a drain outlet for discharging the washing waste water to the outside, and the filter outlet is connected with the rotary joint of the filter mechanism.
  • the axial direction of the rotating mechanism of the filtering mechanism has a tilt angle ⁇ , 0 ⁇ 30 °, and the rotary joint is disposed at a lower end of the filtering mechanism; by tilting or transversely filtering the mechanism, not only the filtering area can be increased , speed up the filtration, and is conducive to filter cleaning.
  • the filtering mechanism is vertically disposed in the filter container, and the rotary joint is disposed at the bottom end.
  • the structure effectively utilizes the speed of the water flow to wash the filter, and the filter cleaning is cleaner.
  • the 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 spray direction of the nozzle is a circumferential surface that is offset from the axially inclined filter mechanism of the filter mechanism, and is close to the tangential direction of the cylindrical filter frame, and acts on the surface of the filter mechanism to achieve strong cleaning.
  • the self-cleaning mechanism further includes a blade disposed on a surface of the filter mechanism, wherein the blade is disposed corresponding to a spray direction of the spray head to transmit water to drive the rotation of the filter mechanism, and agitate the water flow in the filter container to flush the filter container. Inner wall.
  • the nozzle is a tubular structure, one end is closed, and the other end is connected to the cleaning water inlet, and the peripheral wall of the nozzle is provided with at least one water spray port in the axial direction.
  • the shape of the spout is circular, elliptical, long strip, etc.
  • the length of the sprinkler is such that the width of the jetted water is sufficient to cover the axial length of the entire screen.
  • the nozzle includes a nozzle and a water inlet pipe, and the nozzle has a pressure equalizing water chamber and a water spray port that communicates with the pressure equalizing water chamber, and the water inlet pipe extends into the pressure equalizing water chamber and extends to the pressure equalization.
  • One end of the water chamber is closed, and the other end is connected with the cleaning inlet water.
  • the inlet wall of the inlet pipe is provided with at least one water outlet communicating with the pressure equalizing water chamber.
  • the pressure equalizing water chamber is an isosceles triangle shape chamber, and the inlet pipe extends from the top angle of the pressure equalizing water chamber perpendicular to the bottom edge, and the water spray port is disposed at the bottom edge of the pressure equalizing water chamber, and the water outlet is symmetrically distributed.
  • the inlet pipe extends from the top angle of the pressure equalizing water chamber perpendicular to the bottom edge, and the water spray port is disposed at the bottom edge of the pressure equalizing water chamber, and the water outlet is symmetrically distributed.
  • On the peripheral wall of the inlet pipe corresponding to the two waist directions.
  • the water spout is arranged on both sides of the inlet pipe at the bottom of the pressure equalizing water chamber, and the water outlet is elongated.
  • the washing machine of the present invention comprises an outer tub of the washing machine, and the outer tub, the flocculation device and the filtering device are sequentially connected to the outer tub through the pipeline, wherein
  • the flocculation device comprises a flocculation container communicating with the outer tub and a flocculant dispenser for discharging the flocculating agent into the flocculation container, and discharging from the outer tub to the flocculation container;
  • the filtering device comprises a filtering container and filtering in the filtering container The mechanism, the filter container is respectively connected with the flocculation container and the outer tub, and the flocculated water in the flocculation container is filtered through a filtering mechanism and discharged into the outer tub for repeated use.
  • the flocculation container is provided with a stirring mechanism for stirring to accelerate dissolution of the flocculant and a cleaning mechanism for flushing the inner wall of the flocculation container.
  • the cleaning mechanism includes a water impeller that rotates the water inlet to the inner wall of the flocculation container and a drive motor that drives the water impeller.
  • the stirring mechanism includes a stirring motor installed outside the flocculation container, a stirring shaft extending to the inside of the flocculation container, and a stirring impeller mounted on the stirring shaft.
  • the driving motor is the stirring motor
  • the water impeller is coaxially mounted on the stirring shaft, and the bending direction of the stirring impeller is opposite to the rotating direction of the stirring shaft during the stirring process, and the stirring impeller structure can
  • the agitating water flow accelerates the dissolution of the flocculant, and prevents the water from flowing too much to break up the floc;
  • the flocculation vessel is provided with a water guiding trough to guide the influent water to the hydrophobic impeller.
  • 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 close to the stirring motor.
  • the stirring motor drives the water impeller to rotate at a high speed, and the centrifugal impeller rotates due to the centrifugal force.
  • the water is washed at a certain speed to the inner wall of the flocculation container for cleaning.
  • the stirring motor is controlled to operate at different speed stages.
  • the water-repellent impeller comprises a turntable and an annular baffle disposed on the upper surface of the turntable and concentric with the center of the turntable, and a plurality of sets of blades circumferentially distributed outside the annular baffle, and the water outlet direction of the guide water is corresponding to the outer surface of the outer ring of the turntable. region.
  • the plurality of sets of blades divide the outer area of the annular rib into a plurality of small areas, and the water flow is dispersed during the drowning, so that the water flow is evenly smashed to the surrounding walls.
  • the circulating water treatment method of the washing machine of the present invention is: after the washing is finished, the drainage is sequentially subjected to flocculation treatment by a flocculation device, the filtering device is filtered, and then discharged into the outer tub for rinsing, the water treatment process is circulated until the rinsing is finished, and the flocculation container is discharged.
  • the mouth and the filter container sewage discharge port, the outer bucket water is discharged into the flocculation container for cleaning, and at the same time, the clean water filter device is cleaned.
  • the main principle of the self-cleaning filter device of the present invention is to flush the floc and fine particles adhered to the filter net by water jet flushing, and finally solve the problem of the paste net and the blockage when the floc is filtered.
  • the flocculation mixture enters the filter container and is filtered by the filter screen to discharge the clean water. If the water flow slows down or the filtration process ends, the self-cleaning device is activated, and the tap water enters the spray nozzle and is obliquely sprayed onto the filter screen through the water spray port to drive the filter mechanism to rotate.
  • the filter is scoured, and the filter mechanism rotates to agitate the water stream while cleaning the inner wall of the filter container.
  • the present invention has the following advantageous effects as compared with the prior art.
  • the washing machine of the invention adopts the flocculation and filtration cycle water-saving device, and the whole washing process can be completed only by one water inflow, and the water resource can be saved to the greatest extent without affecting the washing efficiency; the stirring structure designed completely opposite to the existing stirring impeller is used. It can realize the mixing of accelerated flocculant and washing sewage, and can prevent the flocculation from being broken.
  • the structure is simple; the flocculation device and the filter unit are self-cleaning, eliminating the steps of manually cleaning the flocculation container and the filtering mechanism, thereby improving the degree of automation.
  • the structure is simple and energy saving can be saved.
  • FIG. 1 is a schematic structural view of a circulating water saving filter device of the washing machine of the present invention
  • Figure 2 is a schematic view of the A-A direction of Figure 1;
  • Figure 3 is a schematic view of the assembly of the filter device of the present invention
  • Figure 4 is a schematic view of the structure of the nozzle of the present invention
  • Figure 6 is a schematic view of the nozzle of the present invention
  • Figure 7 is a schematic view of the CC direction of Figure 6;
  • Figure 8 is a schematic view showing the structure of the washing machine of the present invention;
  • Figure 9 is a schematic view showing the structure of the filtering device and the flocculation device of the present invention.
  • Figure 10 is a schematic view showing the connection of the circulating water of the washing machine of the present invention;
  • Figure 11 is a schematic sectional view showing the structure of the flocculation device of the present invention;
  • Figure 12 is a schematic cross-sectional view of another flocculation device according to the present invention.
  • Figure 13 is a schematic view showing the structure of the agitation mechanism and the cleaning mechanism of the present invention. detailed description
  • the washing machine water-saving filter device 1 of the present invention comprises a filter container 11 and a filter mechanism 12, wherein the filter mechanism 12 is rotatably disposed inside the filter container 11, and the filter device 1 Also included is a self-cleaning mechanism that utilizes the influent water flow to drive the filter mechanism 12 to rotate and spray the cleaning filter mechanism 12.
  • the filter container 11 of the present invention is provided with a washing machine circulating water inlet 111, a water outlet 112 for discharging the filtered water, and a sewage discharge port 113 for discharging the washing waste water to the outside.
  • the filter mechanism 12 includes a cylindrical filter frame 121 and a filter screen (not shown in the filter screen) disposed on the filter frame.
  • Both ends of the filter frame 121 are pivotally connected to the filter container 11, one end of which is a rotary joint 122, and the other end.
  • the shaft seal; the water outlet 112 is in communication with the filter mechanism rotary joint 122.
  • the self-cleaning mechanism of the present invention comprises a spray head 13, and the spray head 13 is mounted on the filter container 11, and the spray direction acts on the surface of the filter mechanism 12 to drive the filter mechanism 12 to rotate.
  • the spray direction of the spray head 13 can be set to be offset from the circumferential surface of the filter mechanism 12 which is inclined to the filter mechanism, and is close to the tangential direction of the cylindrical filter frame 121, and acts on the filter screen surface to achieve strong cleaning.
  • the path of the water flow during the filtration of the circulating water by the filtering device 1 is: the nozzle 13 and the sewage discharge port 113 are closed, the water inlet 111 enters the circulating water into the filter container 11, and the filtered water passes through the filter frame 121 - the rotation of the end portion
  • the joint 122 and the water outlet 112 are discharged;
  • the process of cleaning the filtering device is: the water inlet 111 and the water outlet 112 are closed, the nozzle 13 is cleaned by the clean water filtering mechanism 12, and the filtering mechanism 12 rotates the agitating water to clean the inner wall of the filter container 11, the surface of the filter and the inner wall.
  • the dirt on the upper side is washed out and discharged from the sewage discharge port 113.
  • the filtering mechanism 12 of the present embodiment is vertically disposed in the filter container 11, the rotary joint 122 is disposed at the bottom end of the filter mechanism 12, and the self-cleaning mechanism is disposed on the side wall of the filter container.
  • the structure effectively utilizes water pressure and gravity to wash the filter screen, and filter The net cleaning is cleaner.
  • the difference between the embodiment and the first embodiment is that the axial direction L of the rotation of the filter mechanism 12 has a tilt angle ⁇ , 0 ct 30 °, preferably ⁇ ct. 10 ° , the best embodiment is ⁇ ⁇ ⁇ ⁇ 3 °, the rotary joint 122 is set at the lower end of the filter mechanism 12; by tilting or transversely filtering the mechanism, not only can increase the filtration area, speed up the filtration speed, but also facilitate Filter cleaning.
  • the structure can be realized as follows: 1. The filter container is horizontally arranged, and the filter mechanism is tilted; 2. The filter container and the filter mechanism are inclined together, and a support base is arranged below the filter container.
  • the advantages of the filtering mechanism of the embodiment are as follows: 1.
  • the filtering area can be increased; 2.
  • the spraying force is uniform and the rotation is stable; 3.
  • the flocculation filtering is uniform, not easy to block, cleaning wide range.
  • the nozzle 13 of the present embodiment has a tubular structure, one end is closed, and the other end is connected to the cleaning water inlet.
  • the peripheral wall of the nozzle 13 is provided with at least one water spray port 130 in the axial direction.
  • the shape of the spout 130 is circular, elliptical, elongated, etc., and the length of the sprinkler is such that the width of the jetted water is sufficient to cover the axial length of the entire screen.
  • the tubular spray head 13 may be provided in plurality, distributed on the side wall of the filter container 11, and disposed parallel to the axial direction of the rotation of the filter mechanism 12.
  • the spray head 13 of the present embodiment includes a nozzle 131 and a water inlet pipe 132.
  • the nozzle 131 has a pressure equalizing water chamber 1311 and a water spray port 1312 that communicates with the pressure equalizing water chamber.
  • the inlet pipe 132 extends into the pressure equalizing water chamber 1311, and one end extending into the pressure equalizing water chamber 1311 is closed, and the other end is connected to the washing inlet water.
  • the peripheral wall of the inlet pipe 132 is provided with at least one communicating with the pressure equalizing water chamber 1311. Nozzle 1321.
  • the equalizing water chamber 1311 is an isosceles triangular shape chamber, and the inlet pipe 132 extends from the top of the equalizing water chamber 1311 perpendicular to the bottom edge, and the water spout 1312 is disposed at the bottom of the pressure equalizing water chamber 1311.
  • the water outlet 1321 is symmetrically distributed on the peripheral wall of the inlet pipe 132 corresponding to the two waist directions.
  • the water spout 1312 is disposed at the bottom of the equalizing water chamber 1311 on both sides of the inlet pipe 132, and the water outlet 1321 is elongated.
  • the spray heads 13 are at least two, which are disposed above the side of the filter mechanism 12 in parallel with the rotation direction of the filter mechanism 12, and drive the filter frame to rotate by the water spray water pressure and the falling water gravity, and clean the filter screen. During the rotation of the filter frame, The surface of the filter is removed by rinsing the water in the filter container.
  • the self-cleaning mechanism of the present embodiment further includes a blade 14 disposed on the surface of the filter mechanism. The blade 14 is disposed corresponding to the spray direction of the nozzle 13 to transmit water to drive the rotation of the filter mechanism.
  • the plurality of blades 14 are distributed along the circumference and the axial direction of the filter frame 121, and correspond to the spray direction of the nozzle 13.
  • 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 includes a washing machine outer tub 2, and the outer tub 2, the flocculation device 4, and the filtering device 1 are sequentially passed through the pipeline 3. Then, the outer tub 2 is circulated continuously.
  • the flocculation device 4 includes a flocculation container 41 communicating with the outer tub and a flocculant dispenser 5 for discharging the flocculating agent into the flocculation container 41, which is drained from the outer tub 2 to the flocculation container 41 for flocculation treatment;
  • the filter device 1 includes the filter container 11 and the device In the filter mechanism 12 in the filter container 11, the filter container 11 communicates with the flocculation container 41 and the outer tub 2, respectively, and the flocculated water in the flocculation container 41 is filtered by the filter mechanism 12 and discharged into the outer tub 2 for repeated use.
  • the flocculation container 41 of the present embodiment is provided with a stirring mechanism for agitating to accelerate dissolution of the flocculant and a cleaning mechanism for flushing the inner wall of the flocculation container.
  • the cleaning mechanism includes a water impeller 42 for rotating the water inlet to the inner wall of the flocculation container 41 and a driving motor 43 for driving the water impeller 42.
  • the agitating mechanism includes a stirring motor 44 mounted outside the flocculation container 41, The agitating shaft 45 extending to the inside of the flocculation vessel 41 and the agitating impeller 46 attached to the agitating shaft 45.
  • the drive motor 43 of the present embodiment is disposed above the flocculation container, the agitating motor 44 is disposed at the bottom of the flocculation container 41, and the agitating shaft 45 extends upward to the inside of the flocculation container 41.
  • the agitating motor 44 may be disposed at the side of the flocculation vessel 41, and the agitating shaft 45 may extend from the side to the inside of the flocculation vessel 41, or the agitating motor 44 and the driving motor 43 may be disposed above the flocculation vessel.
  • this embodiment is a further improvement based on the seventh embodiment.
  • the drive motor 43 and the agitating motor 44 are the same motor, and the water impeller 42 is provided.
  • the bending direction of the agitating impeller 46 is opposite to the direction of rotation of the agitating shaft 45 during the agitation process.
  • the agitating impeller structure can both agitate the water flow to accelerate the dissolution of the flocculant, and prevent the water from flowing too much to break up the floc. .
  • a flotation tank 47 is provided in the flocculation vessel 41 to direct the influent water from the water inlet 40 of the flocculation vessel to the hydrophobic impeller 42.
  • the structure of the water guide 47 is not indispensable. As shown in Fig. 11, the water inlet 40 is above the water impeller 42 and is fed to the water impeller 42.
  • the agitating impeller 46 is mounted to the bottom end of the agitating shaft 45, and the hydrophobic impeller 42 is mounted to the agitating shaft 45 adjacent to the agitating motor 44.
  • the agitating motor 44 drives the water impeller to rotate at a high speed. Due to the centrifugal force of the water impeller 42, the influent water is sucked to the inner peripheral wall of the flocculation container 41 at a certain speed for cleaning, in order to expand the water Range, the agitating motor 44 is controlled to operate at different rotational speed stages, such that the hydrophobic water will fall to different heights in the inner peripheral wall of the flocculation container 41.
  • the water inlet 40 can be washed by the washing machine, or washed by the clean water, or a three-way valve is installed, and the tap water and the washing machine washing water are respectively connected, and the washed water is recycled when the water is treated. Clear water.
  • the water-repellent impeller 42 of the present embodiment includes a turntable 421 and an annular baffle 422 disposed on the upper surface of the turntable 421 and concentric with the center of the turntable, and a plurality of sets of blades 423 circumferentially distributed outside the annular baffle.
  • the water outlet direction of the water tank 47 corresponds to the outer surface 424 of the annular rib on the upper surface of the turntable.
  • the plurality of sets of vanes 423 divide the outer region 424 of the annular rib into a plurality of small regions, and utilizes a dispersed flow of water during the drowning to uniformly circulate the water to the surrounding walls.
  • the flocculation container 41 is provided with a water inlet 40, a flocculant injection port 48, a flocculation water outlet 49 and a sewage outlet 400, and the water inlet 40 communicates with the outer tub drain of the washing machine;
  • the flocculation water inlet 111 communicates with the flocculation water outlet 49;
  • a control valve 101 is disposed between the flocculation water outlet 49 and the flocculation water inlet 111.
  • the circulating water treatment method of the washing machine of the present invention is that after the washing is finished, the water is drained to the circulating water treatment device, and the flocculation treatment is carried out by the flocculation device in turn, the filtration device is filtered, and then discharged into the outer tub for rinsing, and the water treatment process is circulated to rinse.
  • the flocculation container sewage outlet and the filter container sewage discharge port are opened, and the outer tub water is discharged into the flocculation device for cleaning, and at the same time, the clean water filtering device is cleaned.
  • the washing machine of the present invention further comprises an automatic detergent dispensing device 6.
  • the automatic detergent dispensing device 6 is a prior art, preferably a structure for discharging the detergent by using an influent negative pressure; the flocculant dispenser 5 of the present invention Also for the automatic placement structure, according to the amount of washing water and the turbidity of the washing/rinsing water, the flocculant is automatically dispensed in each flocculation treatment; if the flocculating agent is in the form of a sheet, the automatic dispensing structure of the existing sheet-like detergent can be used. If the flocculating agent is in the form of granules or powder, the prior art quantitative dispensing structure is employed.

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Detail Structures Of Washing Machines And Dryers (AREA)
  • Separation Of Suspended Particles By Flocculating Agents (AREA)

Abstract

一种具有自清洁功能的洗衣机循环节水过滤装置（1）及洗衣机，该装置包括过滤容器（11）和过滤机构（12），所述的过滤机构（12）可转动地设于过滤容器（11）内部，过滤装置还包括利用进水水流驱动过滤机构（12）转动并喷淋清洗过滤机构（12）的自清洁机构。洗衣机包括洗衣机外桶（2），通过管路（3）依次将外桶（2）、絮凝装置（4）、过滤装置（12）再至外桶（2）循环连通，其中，絮凝装置（4）包括与外桶（2）连通的絮凝容器（41）和向絮凝容器（41）内投放絮凝剂的絮凝剂投放器（5），由外桶（2）排水至絮凝容器（41）内絮凝处理；过滤装置包括过滤容器（11）和设于过滤容器（11）内的过滤机构（12），过滤容器（11）分别与絮凝容器（41）和外桶（2）连通，将絮凝容器（41）内絮凝处理后的水再经过过滤机构（12）过滤后排入外桶（2）内重复使用。提高了自动化程度，结构简单，并可节约能耗。

Description

一种具有自清洁功能的洗衣机循环节水过滤装置及洗衣机 技术领域
本发明涉及洗衣机循环用水处理设备，具体是采用絮凝过滤方式的洗衣机循环节水装置， 尤其是一种具有自清洁功能的洗衣机循环节水过滤装置及洗衣机。 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。 申请号为 03256181. 4的中国专利公开了一种节水洗衣机，其洗衣桶的出水口前设有初过 滤装置， 它还设有储水桶， 储水桶的底部设有絮凝池， 絮凝池的上方设有过滤装置， 絮凝池 通过管路与洗衣桶相连通， 絮凝池还具有排污口， 管路上设有泵。 上述结构过滤装置中由于不具有清洗功能， 长时间使用后， 过滤装置会造成堵塞， 影响 水循环处理。 有鉴于此特提出本发明。 发明内容
本发明要解决的技术问题在于克服现有技术的不足， 提供一种结构简单的具有自清洁功 能的洗衣机循环节水过滤装置。 本发明的另一目的在于提供具有该循环节水过滤装置的洗衣机。 为解决上述技术问题， 本发明采用技术方案的基本构思是： 一种具有自清洁功能的洗衣 机循环节水过滤装置， 包括过滤容器和过滤机构， 所述的过滤机构可转动地设于过滤容器内 部， 过滤装置还包括利用进水水流驱动过滤机构转动并喷淋清洗过滤机构的自清洁机构。 进一步的， 所述的过滤机构包括筒形过滤框架和设于过滤框架上的滤网， 过滤框架两端 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， 所述的过滤容器设有洗衣机循环水进水口、 将过滤后的水排出的出水口及将 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， 所述过滤机构转动的轴向与水平面具有一倾斜夹角 α， 0 α 30 ° ， 旋转接 头设于过滤机构较低的一端； 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， 而且利于滤网清洗。
或者， 所述过滤机构竖直设于过滤容器内， 旋转接头设于底端。 该结构有效利用水流冲 刷滤网的速度， 滤网清洗更干净。
进一步的， 所述的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。 喷头喷水方向为偏离过滤机构的轴心斜向过滤机构转动的圆 周面， 接近于筒形过滤框架相切的方向， 作用于过滤机构滤网表面， 实现强力清洗。 进一步的， 所述的自清洁机构还包括设于过滤机构表面的桨叶， 桨叶对应喷头的喷水方 向设置， 以传递水流驱动过滤机构转动的动力， 并搅动过滤容器内的水流冲洗过滤容器内壁。 进一步的， 所述的喷头为管状结构， 一端封闭， 另一端与清洗进水连通， 喷头周壁沿轴 向方向设有至少一喷水口。 喷水口的形状有圆形、 椭圆形、 长条状等， 喷头的长度要保证喷 射出来的水流宽度足以覆盖到整个滤网的轴向长度范围。 进一步的， 所述的喷头包括喷嘴和进水管， 喷嘴具有一均压水腔和与均压水腔相通向外 喷水的喷水口， 进水管延伸至均压水腔内， 延伸至均压水腔内的一端封闭， 另一端与清洗进 水连通， 进水管周壁设有至少一与均压水腔相通的出水口。
进一步的， 所述的均压水腔为一等腰三角形状腔室， 进水管自均压水腔顶角垂直于底边 延伸， 喷水口设于均压水腔底边， 出水口对称分布于对应两腰方向的进水管周壁上。
优选的， 喷水口设于均压水腔底边进水管的两侧， 出水口为长条状。
本发明所述的洗衣机， 包括洗衣机外桶， 通过管路依次将外桶、 絮凝装置、 过滤装置再 至外桶循环连通， 其中，
絮凝装置， 包括与外桶连通的絮凝容器和向絮凝容器内投放絮凝剂的絮凝剂投放器， 由 外桶排水至絮凝容器内絮凝处理； 过滤装置， 包括过滤容器和设于过滤容器内的过滤机构， 过滤容器分别与絮凝容器和外 桶连通， 将絮凝容器内絮凝处理后的水再经过过滤机构过滤后排入外桶内重复使用。 进一步的， 所述的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。 进一步的， 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和驱动甩水叶 轮转动的驱动电机。 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。 进一步的， 所述的驱动电机为所述的搅拌电机， 所述的甩水叶轮同轴安装在搅拌轴上， 搅拌叶轮的弯曲方向与搅拌过程搅拌轴的转动方向相反， 该搅拌叶轮结构既能搅动水流加速 絮凝剂溶解， 又能防止水流过大而打散絮凝物； 絮凝容器内设置有导水槽将进水导至甩水叶 轮上。 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， 所述的甩水叶轮包括转盘和设于转盘上表面与转盘中心同心的环形挡筋、 圆 周分布于环形挡筋外侧的多组叶片， 导水槽出水方向对应转盘上表面环形挡筋外部区域。 多 组叶片将环形挡筋外部区域分割成多个小区域， 甩水时利用分散水流， 使得水流均匀甩到四 周壁。
本发明所述洗衣机的循环水处理方法为： 洗涤结束， 排水依次通过絮凝装置进行絮凝处 理、 过滤装置进行过滤处理， 再排入外桶漂洗， 循环上述水处理过程至漂洗结束， 打开絮凝 容器排污口和过滤容器污水排出口， 将外桶水排入絮凝容器进行清洗， 同时， 进清水清洗过 滤装置。 本发明自清洁过滤装置的主要原理是利用水流冲刷来将粘敷在滤网上的絮凝物、 细小颗 粒物冲刷下来， 最终解决絮凝物过滤时的糊网、 堵塞问题。 絮凝混合物进入过滤容器经滤网 过滤后排出清水， 排水过程若出现水流变慢或者过滤过程结束后， 启动自清洁装置， 自来水 进入喷头后经喷水口斜射到滤网上， 边带动过滤机构转动边冲刷滤网， 过滤机构转动搅动水 流同时清洗过滤容器内壁。
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。
本发明洗衣机采用絮凝过滤循环节水设备， 只需要一次进水就可以完成整个洗涤过程， 在不影响洗涤效率的同时最大限度的节约水资源； 采用与现有搅拌叶轮完全相反设计的搅拌 结构既能实现加速絮凝剂和洗涤污水的混合， 又能防止打散絮凝物， 结构简单； 絮凝装置和 过滤单元均实现了自清洁， 免去了手动清理絮凝容器和过滤机构的步骤， 提高了自动化程度， 结构简单， 并可节约能耗。 附图说明
图 1是本发明所述洗衣机循环节水过滤装置结构示意图；
图 2是图 1的 A-A向示意图；
图 3是图 1的 B-B向示意图； 图 4是本发明所述另一过滤装置装配结构示意图； 图 5是本发明所述喷头结构示意图； 图 6是本发明所述喷头断面示意图；
图 7是图 6的 C-C向示意图； 图 8是本发明所述洗衣机结构示意图； 图 9是本发明所述过滤装置和絮凝装置结构示意图。 图 10是本发明洗衣机循环用水连接示意图； 图 11是本发明所述絮凝装置断面结构示意图；
图 12是本发明所述另一絮凝装置断面结构示意图； 图 13是本发明所述搅拌机构和清洗机构结构示意图。 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至图 4所示， 本发明所述的洗衣机循环节水过滤装置 1， 包括过滤容器 11和过滤 机构 12， 所述的过滤机构 12可转动地设于过滤容器 11内部， 过滤装置 1还包括利用进水水 流驱动过滤机构 12转动并喷淋清洗过滤机构 12的自清洁机构。 本发明过滤容器 11设有洗衣机循环水进水口 111、 将过滤后的水排出的出水口 112及将 清洗废水排出外部的污水排出口 113。 过滤机构 12包括筒形过滤框架 121和设于过滤框架上 的滤网 （滤网图中未示出） ， 过滤框架 121两端与过滤容器 11枢轴连接， 其一端为旋转接头 122, 另一端轴密封； 出水口 112与过滤机构旋转接头 122连通。 本发明所述的自清洁机构包括喷头 13， 喷头 13安装于过滤容器 11上， 喷水方向作用于 过滤机构 12表面， 驱动过滤机构 12转动。 喷头 13喷水方向可以设置为偏离过滤机构 12的 轴心斜向过滤机构转动的圆周面， 接近于筒形过滤框架 121相切的方向， 作用于过滤机构滤 网表面， 实现强力清洗。 过滤装置 1过滤循环水过程中水流的路径为： 喷头 13和污水排出口 113关闭， 进水口 111进循环水到过滤容器 11内， 经滤网过滤后的水由过滤框架 121—端部的旋转接头 122、 出水口 112排出； 清洗过滤装置的过程为： 进水口 111、 出水口 112关闭， 喷头 13进清水冲 洗过滤机构 12， 过滤机构 12转动搅动水清洗过滤容器 11内壁， 滤网表面和内壁上的污物被 冲掉后由污水排出口 113排出。 实施例一
如图 4所示， 本实施例所述过滤机构 12竖直设于过滤容器 11内， 旋转接头 122设于过 滤机构 12底端， 自清洁机构设于过滤容器侧壁上。 该结构有效利用水压和重力冲刷滤网， 滤 网清洗更干净。 实施例二
如图 2和图 3所示， 本实施例与上述实施例一的区别在于： 所述过滤机构 12转动的轴向 L与水平面 R具有一倾斜夹角 α， 0 ct 30 ° ， 优选为 Γ ct 10 ° ， 最佳的实施方式为 Γ ^ α ^3 ° ， 旋转接头 122设于过滤机构 12较低的一端； 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， 而且利于滤网清洗。 该结构可以通过如下方式实现： 1、 过滤容器水平设置， 过滤机构倾斜设置； 2、 过滤容 器与过滤机构共同倾斜设置， 过滤容器下方设有支撑基座。 相对于实施例一中的过滤机构竖立设置方式， 本实施例过滤机构的优点为： 1、 能够增加 过滤面积； 2、 喷水受力均匀， 转动稳定； 3、 絮凝过滤均匀， 不易堵塞， 清洗范围广。 实施例三
如图 4所示， 本实施例所述的喷头 13为管状结构， 一端封闭， 另一端与清洗进水连通， 喷头 13周壁沿轴向方向设有至少一喷水口 130。 喷水口 130的形状有圆形、 椭圆形、 长条状 等， 喷头的长度要保证喷射出来的水流宽度足以覆盖到整个滤网的轴向长度范围。
该管状喷头 13可以设置多个， 分布于过滤容器 11侧壁上， 平行于过滤机构 12转动轴向 方向设置。 实施例四
如图 5至图 7所示， 本实施例所述的喷头 13包括喷嘴 131和进水管 132， 喷嘴 131具有 一均压水腔 1311和与均压水腔相通向外喷水的喷水口 1312，进水管 132延伸至均压水腔 1311 内， 延伸至均压水腔 1311内的一端封闭， 另一端与清洗进水连通， 进水管 132周壁设有至少 一与均压水腔 1311相通的出水口 1321。 进一步的， 所述的均压水腔 1311为一等腰三角形状腔室， 进水管 132 自均压水腔 1311 顶角垂直于底边延伸， 喷水口 1312设于均压水腔 1311底边， 出水口 1321对称分布于对应两 腰方向的进水管 132周壁上。
优选的， 喷水口 1312设于均压水腔 1311底边对应进水管 132的两侧， 出水口 1321为长 条状。
该喷头 13为至少两个， 平行于过滤机构 12转动轴向方向设于过滤机构 12的侧上方， 利 用喷水水压和落水重力驱动过滤框架转动， 并清洗滤网， 过滤框架转动过程中， 通过过滤容 器内的水进行搓洗， 去除滤网表面污浊物。 实施例五 如图 3所示， 本实施例所述的自清洁机构还包括设于过滤机构表面的桨叶 14， 桨叶 14 对应喷头 13的喷水方向设置， 以传递水流驱动过滤机构转动的动力。
进一步的， 所述的桨叶 14为多个， 沿过滤框架 121圆周和轴向分布， 与喷头 13喷水方 向对应。
实施例六
如图 8至图 10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 衣机包括洗衣机外桶 2， 通过管路 3依次将外桶 2、 絮凝装置 4、 过滤装置 1再至外桶 2循环 连通。
絮凝装置 4包括与外桶连通的絮凝容器 41和向絮凝容器 41内投放絮凝剂的絮凝剂投放 器 5， 由外桶 2排水至絮凝容器 41内絮凝处理； 过滤装置 1包括过滤容器 11和设于过滤容器 11内的过滤机构 12， 过滤容器 11分别与 絮凝容器 41和外桶 2连通，将絮凝容器 41内絮凝处理后的水再经过过滤机构 12过滤重新排 入外桶 2内重复使用。 实施例七
如图 11所示， 本实施例絮凝容器 41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。所述的清洗机构包括将进水甩向絮凝容器 41内壁方向的甩水叶轮 42和驱动甩水叶轮 42转动的驱动电机 43;所述的搅拌机构包括安装于絮凝容器 41外部的搅 拌电机 44、 延伸至絮凝容器 41内部的搅拌轴 45和安装于搅拌轴 45上的搅拌叶轮 46。
本实施例所述的驱动电机 43设于絮凝容器的上方，搅拌电机 44设于絮凝容器 41的底部， 搅拌轴 45向上延伸至絮凝容器 41内部。 除该结构外， 搅拌电机 44也可设于絮凝容器 41侧 部， 搅拌轴 45由侧部延伸至絮凝容器 41内部， 或者， 搅拌电机 44与驱动电机 43均设于絮 凝容器的上方。
实施例八
如图 12和图 13所示， 本实施例为实施例七的基础上做出的进一步改进， 所述的驱动电 机 43与所述的搅拌电机 44为同一个电机， 所述的甩水叶轮 42同轴安装在搅拌轴 45上， 搅 拌叶轮 46的弯曲方向与搅拌过程搅拌轴 45的转动方向相反， 该搅拌叶轮结构既能搅动水流 加速絮凝剂溶解， 又能防止水流过大而打散絮凝物。 絮凝容器 41内设置有导水槽 47将进水 由絮凝容器的进水口 40导至甩水叶轮 42上。 该导水槽 47结构并不是必不可少的， 如图 11 所示， 进水口 40在甩水叶轮 42上方， 进水直至甩水叶轮 42上。
搅拌叶轮 46安装于搅拌轴 45的底端，甩水叶轮 42安装于搅拌轴 45靠近搅拌电机 44的 位置， 进水清洗絮凝容器 41时， 搅拌电机 44高速驱动甩水叶轮转动， 由于甩水叶轮 42转动 离心力的作用， 将进水以一定速度甩到絮凝容器 41内周壁进行清洗， 为了扩大甩水范围， 控 制搅拌电机 44以不同转速阶段运行， 如此， 甩水会落到絮凝容器 41内周壁不同的高度。
上述进水口 40进水清洗可以是洗衣机洗涤后的水， 或者为进清水洗涤， 再或者安装一三 通阀， 分别接自来水和洗衣机洗涤水， 循环处理水时进洗涤后的水， 清洗时进清水。
实施例九
如图 13所示， 本实施例所述的甩水叶轮 42包括转盘 421和设于转盘 421上表面与转盘 中心同心的环形挡筋 422、 圆周分布于环形挡筋外侧的多组叶片 423， 导水槽 47出水方向对 应转盘上表面环形挡筋外部区域 424。 多组叶片 423将环形挡筋外部区域 424分割成多个小 区域， 甩水时利用分散水流， 使得水流均匀甩到四周壁。
如图 9和图 12所示， 所述的絮凝容器 41设有进水口 40、 絮凝剂投放口 48、 絮凝出水口 49及排污口 400， 进水口 40与洗衣机外桶排水口连通； 过滤容器 11的絮凝进水口 111与絮 凝出水口 49连通； 絮凝出水口 49和絮凝进水口 111之间设有一控制阀 101。 本发明所述洗衣机的循环水处理方法为， 洗涤结束， 排水至循环用水处理装置， 依次通 过絮凝装置进行絮凝处理、 过滤装置进行过滤处理， 再排入外桶漂洗， 循环上述水处理过程 至漂洗结束， 打开絮凝容器排污口和过滤容器污水排出口， 将外桶水排入絮凝装置进行清洗， 同时， 进清水清洗过滤装置。
进一步的， 本发明洗衣机还包括洗涤剂自动投放装置 6， 洗涤剂自动投放装置 6为现有 技术， 优选为利用进水负压抽取洗涤剂投放的结构； 本发明所述的絮凝剂投放器 5也为自动 投放结构， 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。
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

WO 2015/143784 权 利 要 求 书 PCT/CN2014/079774
1、 一种具有自清洁功能的洗衣机循环节水过滤装置， 包括过滤容器和过滤机构， 其特 征在于： 所述的过滤机构可转动地设于过滤容器内部， 过滤装置还包括利用进水水流驱动 过滤机构转动并喷淋清洗过滤机构的自清洁机构。
2、 根据权利要求 1所述的一种具有自清洁功能的洗衣机循环节水过滤装置， 其特征在 于： 所述的过滤机构包括筒形过滤框架和设于过滤框架上的滤网， 过滤框架两端与过滤容 器枢轴连接， 其一端为旋转接头， 另一端轴密封。
3、 根据权利要求 2所述的一种具有自清洁功能的洗衣机循环节水过滤装置， 其特征在 于： 所述的过滤容器设有洗衣机循环水进水口、 将过滤后的水排出的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。
4、 根据权利要求 2所述的一种具有自清洁功能的洗衣机循环节水过滤装置， 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 α， 0 ct 30 ° ， 旋转接头设于过 滤机构较低的一端。
5、 根据权利要求 2所述的一种具有自清洁功能的洗衣机循环节水过滤装置， 其特征在 于： 所述过滤机构竖直设于过滤容器内， 旋转接头设于底端。
6、 根据权利要求 1所述的一种具有自清洁功能的洗衣机循环节水过滤装置， 其特征在 于： 所述的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。
7、 根据权利要求 6所述的一种具有自清洁功能的洗衣机循环节水过滤装置， 其特征在 于： 所述的喷头为管状结构， 一端封闭， 另一端与清洗进水连通， 喷头周壁沿轴向方向设 有至少一组喷水口。
8、 根据权利要求 6所述的一种具有自清洁功能的洗衣机循环节水过滤装置， 其特征在 于： 所述的喷头包括喷嘴和进水管， 喷嘴具有一均压水腔和与均压水腔相通向外喷水的喷 水口， 进水管延伸至均压水腔内， 延伸至均压水腔内的一端封闭， 另一端与清洗进水连通， 进水管周壁设有至少一与均压水腔相通的出水口。
9、 根据权利要求 8所述的一种具有自清洁功能的洗衣机循环节水过滤装置， 其特征在 于： 所述的均压水腔为一等腰三角形状腔室， 进水管自均压水腔顶角垂直于底边延伸， 喷 水口设于底边， 出水口对称分布于对应两腰方向的进水管周壁上。
10、 根据权利要求 9所述的一种具有自清洁功能的洗衣机循环节水过滤装置， 其特征 在于： 所述的喷水口设于均压水腔底边进水管的两侧， 出水口为长条状。
11、 根据权利要求 6所述的一种具有自清洁功能的洗衣机循环节水过滤装置， 其特征 在于： 所述的自清洁机构还包括设于过滤机构表面的桨叶， 桨叶对应喷头的喷水方向设置， 以传递水流驱动过滤机构转动的动力。
12、一种具有如权利要求 1-11任一所述循环节水过滤装置的洗衣机，包括洗衣机外桶， 通过管路依次将外桶、 絮凝装置、 过滤装置再至外桶循环连通， 其特征在于：
絮凝装置， 包括与外桶连通的絮凝容器和向絮凝容器内投放絮凝剂的絮凝剂投放器， 由外桶排水至絮凝容器内絮凝处理；
过滤装置， 包括过滤容器和设于过滤容器内的过滤机构， 过滤容器分别与絮凝容器和 外桶连通， 将絮凝容器内絮凝处理后的水再经过过滤机构过滤后排入外桶内重复使用。
13、 根据权利要求 12所述的洗衣机， 其特征在于： 所述的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。
14、 根据权利要求 13所述的洗衣机， 其特征在于： 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和驱动甩水叶轮转动的驱动电机。
15、 根据权利要求 13或 14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。
16、根据权利要求 15所述的洗衣机，其特征在于： 所述的驱动电机为所述的搅拌电机， 所述的甩水叶轮同轴安装在搅拌轴上， 搅拌叶轮的弯曲方向与搅拌过程搅拌轴的转动方向 相反， 絮凝容器内设置有导水槽将进水导至甩水叶轮上。
17、 根据权利要求 16所述的洗衣机， 其特征在于： 所述的甩水叶轮包括转盘和设于转 盘上表面与转盘中心同心的环形挡筋、 圆周分布于环形挡筋外侧的多组叶片， 导水槽出水 方向对应转盘上表面环形挡筋外部区域。
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