EP3246453B1 - Water draining device of washing machine, washing machine and control method - Google Patents

Water draining device of washing machine, washing machine and control method Download PDF

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Publication number
EP3246453B1
EP3246453B1 EP15877575.9A EP15877575A EP3246453B1 EP 3246453 B1 EP3246453 B1 EP 3246453B1 EP 15877575 A EP15877575 A EP 15877575A EP 3246453 B1 EP3246453 B1 EP 3246453B1
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EP
European Patent Office
Prior art keywords
water
washing machine
collecting chamber
pump
particle collecting
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Not-in-force
Application number
EP15877575.9A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP3246453A4 (en
EP3246453A1 (en
Inventor
Peishi Lv
Lin Yang
Yun Tian
Feng Li
Qi Zhang
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Qingdao Haier Washing Machine Co Ltd
Original Assignee
Qingdao Haier Washing Machine Co Ltd
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 CN201510013177.XA external-priority patent/CN105839360B/zh
Priority claimed from CN201510013178.4A external-priority patent/CN105839361B/zh
Application filed by Qingdao Haier Washing Machine Co Ltd filed Critical Qingdao Haier Washing Machine Co Ltd
Publication of EP3246453A1 publication Critical patent/EP3246453A1/en
Publication of EP3246453A4 publication Critical patent/EP3246453A4/en
Application granted granted Critical
Publication of EP3246453B1 publication Critical patent/EP3246453B1/en
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • 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 
    • D06F33/30—Control of washing machines characterised by the purpose or target of the control 
    • D06F33/32—Control of operational steps, e.g. optimisation or improvement of operational steps depending on the condition of the laundry
    • D06F33/42—Control of operational steps, e.g. optimisation or improvement of operational steps depending on the condition of the laundry of draining
    • 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
    • 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
    • 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
    • D06F2103/18—Washing liquid level
    • 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
    • D06F2103/42—Parameters monitored or detected for the control of domestic laundry washing machines, washer-dryers or laundry dryers related to filters or pumps
    • 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
    • D06F2105/02—Water supply
    • 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
    • D06F2105/34—Filtering, e.g. control of lint removal devices

Definitions

  • the present disclosure relates to a field of a washing machine, and especially relates to a water draining device of a washing machine, a washing machine and a control method.
  • the space between an inner and an outer tub of the existing washing machine is a closed environment where only water can flow through. Due to the limitations of the above-mentioned structure of the washing machine and the specialty of the use environment, dirt will adhere to an outer wall of the inner tub and an inner wall of the outer tub after being used for three to five months, so as to breed bacteria in different degrees, and the vast majority of bacteria is harmful to the human body.
  • CN 104 060 438 A discloses a washing machine which recycles washing water.
  • a Chinese patent application No. 200820183308.4 discloses a washing machine with self-cleaning between tubs, which comprises an inner tub, an outer tub and numbers of circular silica balls for cleaning the inner and outer tub walls.
  • the flow of water generated by the rotation of the inner tub in washing the laundry drives the circular silica balls between the inner tub and outer tub to move to constantly impact two walls of the the inner and the outer tub to achieve the purpose of cleaning the walls of the the inner and outer tubs.
  • the structure of the above-mentioned washing machine will produce big noise during the high-speed dehydration process due to the rubber balls or flexible particles in the tubs are in a free scattered state after the drainage, it will increase the energy consumption of the washing machine and will affect the service life of the washing machine. Therefore, it is necessary to improve the structure of the existing water draining device, so as to provide a water draining device with a filter structure for collecting the cleaning particles, and allows fiber debris to be discharged without being clogged, and can automatically deliver the cleaning particles in the next washing procedure, and can be freely disassembled to replace and clean the cleaning particles.
  • the described water draining device comprises a particle collecting chamber 1' for collecting cleaning particles during a dehydration process and making the cleaning particles float up into the outer tub to clean the tub walls during water supply process and a drainage chamber 2'.
  • the particle collecting chamber 1' is in communication with the water outlet through a connecting pipe 3'.
  • the particle collecting chamber 1' has an inclined inner wall structure, which allows the cleaning particles 4' to float up along the inclined inner wall with the water level rising and enter into the connecting pipe to enter the outer tub through the water outlet.
  • the above-mentioned structure still has the following problems: 1.
  • the cleaning particles as a whole adhere to the inclined inner wall and cannot immediately float up through the water inlet to the outer tub by the buoyancy during the water supply process of the washing machine, and the upper layer of the cleaning particles cannot float in a long time will cause all cleaning particles crowded under the inclined inner wall.
  • the particles stay in the particle collecting chamber for a long period of time, the bottom layer of the cleaning particles are completely adhered to the bottom of the particle collecting chamber under extrusion, and is not conducive to their full delivery
  • line debris is easy to gather in the front of the filter structure and cannot be discharged due to the impact of cleaning particles. Accumulation for a longer time will not only affect the drainage efficiency, but also will make the cleaning particles entangled which is not conducive to re-deliver.
  • the technical problem to be solved by the present disclosure is to overcome the shortcomings of the prior technology and to provide a water draining device of a washing machine with a simple structure, which makes line debris to be completely discharged without causing drainage clogging or secondary contamination.
  • Another object of the present disclosure to provide a washing machine with the above-described water draining device.
  • a further object of the present disclosure is to provide a control method of the washing machine.
  • a water draining device of a washing machine comprises a drain valve body, a water inlet and a water outlet.
  • the water inlet is in communication with a water draining outlet of the outer tub of the washing machine.
  • the drain valve body is provided therein with a particle collecting chamber communicating with the water inlet.
  • a particle filtering structure is provided between the particle collecting chamber and the water outlet.
  • the water draining device further comprises a water/air access mechanism.
  • the particle collecting chamber is provided therein with a port, and the port is communicated with the water/air access mechanism, and the water/air access mechanism controls water or air flow into the particle collecting chamber.
  • the water/air access mechanism is a water inlet valve of the washing machine, which is in communication with the port through a water guide pipe, and the water inlet valve controls water feeding into the particle collecting chamber.
  • the water flow/air flow structure is an air pump which is in communication with the port through an air guide pipe, and the air pump controls air blowing into the particle collecting chamber.
  • a check valve is provided between the port and water flow/air flow structure.
  • the water flow/air flow direction of the port is set corresponding to the front of the particle filtering structure.
  • At least one said port is provided at a upper or side or bottom part of the particle collecting chamber, in communication with the water flow/air flow structure through a multi-pass pipe.
  • an inner diameter of the said port get smaller along the direction of the water outlet/air outlet.
  • the structure increases the inlet water pressure/intake air pressure, and it utilizes a larger impact force of water inlet/air intake to agitate cleaning particles in the particle collecting chamber.
  • the present disclosure further provides another water draining device of a washing machine comprising a drain valve body, a water inlet and a water outlet, the drain valve body is provided therein with a particle collecting chamber communicating with the water inlet.
  • a particle filtering structure is provided between the particle collecting chamber and the water outlet.
  • the water draining device further comprises a pump device feeding water into the particle collecting chamber.
  • the present disclosure utilizes the pump device to feed water into the particle collecting chamber to impact cleaning particles therein and to make the cleaning particles move irregularly. Therefore, blocked or wound fibre debris groups are loosened and a new drainage gap is reformed, the fiber debris are discharged smoothly as drainage continues.
  • the pump device comprises a reverse pump, a water outlet of the reverse pump is in communication with the water outlet of the water draining device, and the water inlet of the reverse pump is in communication with a drain pipe of washing machine.
  • the stored water in the drain pipe is reversely guided into the particle collecting chamber to impact the fibre debris wound on the cleaning particles and cleaning particles blocked in the front part of the particle filtering structure which affect the pass of the fibre debris.
  • a drain pump which drains water outwardly is provided on the rear part of the reverse pump, and the water inlet of the drain pump is communicated with the water inlet of the reverse pump, and the water outlet of the drain pump is communicated with the drain pipe of the washing machine.
  • the pump device comprises a circulating pump, and the water inlet of the circulating pump is communicated with the bottom of the outer tub of the washing machine, and the water outlet is communicated with the particle collecting chamber.
  • the pump device comprises a bi-directional drain pump
  • the bi-directional drain pump comprises one water inlet and two water outlets.
  • the water inlet is communicated with the water outlet of the water draining device, one water outlet is communicated with the drain pipe of washing machine and the other one is communicated with the particle collecting chamber.
  • a further alternative scheme is: the described pump device comprises a drain pump, the water inlet of the drain pump is communicated with the water outlet of the water draining device, and the water outlet is communicated with a multi-way reversing valve.
  • a water outlet of the multi-way reversing valve is in communication with the particle collecting chamber.
  • a check valve or a shut-off valve is provided on the waterway through which the described particle collecting chamber communicates with the pump device.
  • the described particle collecting chamber is provided with a port in communication with the pump device.
  • the size of the port is smaller than the particles or a filtering device is provided.
  • the port is set at the bottom of the particle collecting chamber corresponding to the side of the filtering device on which the particles are blocked, in order to inlet water and impact directly the cleaning particles and fibre debris on the side.
  • the washing machine in the present disclosure comprises an inner tub and an outer tub, and cleaning particles for cleaning a tub wall are provided between an inner tub and an outer tub.
  • the drain outlet of the outer tub is communicated with the water draining device below.
  • the cleaning particles are collected into a particle collecting chamber when the water draining device is draining water, and float upwards through a water inlet to the space between the inner tub and the outer tub of the washing machine under a buoyancy force during water feeding.
  • the cleaning particles are driven by water flow to impact and rub the walls of inner and outer tubs to realize the cleaning of tub walls between the inner and outer.
  • washing water is drained out through the water draining device, and the cleaning particles are collected in the particle collecting chamber.
  • the cleaning particles can float in water, and impact against the walls of the inner and outer tubs between the inner tub and the outer tub with the water flow.
  • the cleaning particles can be made of sponge material, it can also be made of rubber or plastic foam, such as foam rubber, foam plastic or foam composite polyurethane. These kind of materials have a certain degree of flexibility, and the density is smaller than the water in dry state, with a certain flexibility and wear resistance. They are with a nature of soaked water in the water, and the price is cheap. After using a number of times, the cleaning particles can be taken out and recycled through the open sealing cover on the port of the particle collecting chamber and replaced with new cleaning particles.
  • the control method of the washing machine can directly inlet water or blow air to the particle collecting chamber, enabling the cleaning particles to move and flow upward fastly and stably when intaking water.
  • the water/air access mechanism intermittently or continuously controls water/air to flow to the particle collecting chamber, the cleaning particles are impacted to move and delivered between the inner tub and the outer tub with the feeding water level rising.
  • the water/air access mechanism stops working after the water/air access mechanism controls water/air to flow into the particle collecting chamber for a set time or to a set water level of the outer tub.
  • the control method of the washing machine in the present disclosure druing the draining process, it enables to control the water/air access mechanism or the pump device to supply water/air into the particle collecting chamber, to scatter the fibre debris wound on the cleaning particles and/or fibre debris groups blocked by the particle filtering structure, in order to drain water smoothly.
  • the reducement of the water level in the outer tub is smaller than a set value or the water level reducing to a set water level.
  • the fibre debris groups are wound and blocked in the front of the particle filtering structure, and the water flow/air flow structure or the pump device controls water/air to flow into the particle collecting chamber.
  • water/air flows to the particle collecting chamber at a set time interval, to prevent fibre debris from being entangled into groups and not being able to be discharged, and to prevent entanglement of cleaning particles from affecting the drainage and the next delivery.
  • the water/air access mechanism or the pump device is controled to stop flowing water or air to the particle collecting chamber.
  • the present disclosure has the following advantageous effects compared with the prior art.
  • the water draining device of the present disclosure aimes at the washing machine provided with cleaning particles between the inner and outer tub which clean the walls of the inner and outer tub. It can utilize the draining water to collect cleaning particles to avoid that the cleaning particles between the inner and outer tub hit the walls and make noise while dehydrating. And the cleaning particles can be completely delivered between the inner and outer tubs to clean the walls of tubs by the buoyancy of the water in the next laudry.
  • the improved structure makes it easier to re-deliver and re-use the cleaning particles and it avoids the blockage caused by the cleaning particles adhered to the inner wall.
  • the structure is simple, and costs of production and installation are low.
  • the present disclosure utilizes water/air access mechanism to control water/air to flow into the particle collecting chamber to stir the cleaning particles, so that the cleaning particles are loose and do not adhere to the inner walls of the particle collecting chamber, which is conducive to the delivery of cleaning particles.
  • the present disclosure utilizes water flow/air flow to impact the fibre debris groups so that the fibre debris can be completely discharged, and avoids the bacteria breeding caused by drainage clogging and the fibre debris residue.
  • the present disclosure has the advantages of simple structures and reasonable design, and can accelerate the complete delivery of the cleaning particles when the water is introduced, and the drainage can be kept smooth.
  • FIG. 8 to 12 are schematic diagrams of different structures of the water draining device of the present disclosure.
  • the water draining device 1 of the present disclosure is connected to a water draining outlet 2 of the washing machine, and is installed below an outer tub 3 of the washing machine.
  • the washing machine comprises an outer tub 3 and an inner tub 4, cleaning particles 5 for cleaning a tub wall being provided between the inner tub 4 and the outer tub 3 of the washing machine, the cleaning particles 5 can float in water.
  • the cleaning particles are driven by water flow to impact and rub the walls of inner and outer tubs to realize the cleaning of tub walls between the inner and outer.
  • washing water is drained out through the water draining device 1, and the cleaning particles 5 are collected in the water draining device 1.
  • the cleaning particles 5 float upwardly to the space between the inner tub 4 and the outer tub 3 through the water draining outlet 2 and continue cleaning tub walls between the inner and outer tubs.
  • the water draining device 1 of the washing machine of the present disclosure comprises a drain valve body 11, a water inlet 12 and a water outlet 13.
  • the inside of the drain valve body 11 is divided into a particle collecting chamber 6 and a drain valve chamber 7 which are communicated with each other.
  • a particle filtering structure 8 is provided between the particle collecting chamber 6 and the drain valve chamber 7.
  • the particle collecting chamber 6 is communicated with the water draining outlet 2 of the outer tub through the water inlet 12.
  • a drain valve plug 9 is provided inside the the drain valve chamber 7.
  • the water outlet 13 is communicated with the drain valve chamber 7.
  • the drain valve plug 9 stretches axially to close/open the water path between particle collecting chamber 6 and the water outlet 13.
  • the particle filtering structure 8 of the present disclosure comprises two groups of grids which are opposite to each other, and between two groups of grids is a narrow water passage 80.
  • Each group of grids is formed a comb-like structure by a plurality of baffles 81 extending toward the water passage 80 from one side inner wall(As shown in Figure 5 ).
  • Sides of the baffles 81 corresponding to the particle collecting chamber 6 are inclined from the edge toward the water passage 80 along the direction of the water outlet, which forms a curved oblique end face structure at the position of the water passage 80 concaving towards the drain valve chamber 7.
  • the gaps between the adjacent baffles 81 in each group of grids are in smooth communication with the water passage 80 at the end of the baffles.
  • the water inlet 12 of the water draining device of the present disclosure is provided at the upper portion of the particle collecting chamber 6, and the water outlet 13 is provided at the lower portion the drain valve chamber 7.
  • the water inlet 12, the particle collecting chamber 6, the drain valve chamber 7 and the water outlet 13 are successively communicated to form ways of water outlet.
  • the way of water outlet between the particle collecting chamber 6 and the water outlet 13 is controled on or off by the drain valve plug 9.
  • An overflow outlet 14 is provided in the side wall of the drain valve chamber 7 (As shown in Fig.4 ), or, the overflow outlet 14 is provided in the side of the water outlet 13 (As shown in Fig.6 ), and is communicated with an overflow opening of the outer tub through the overflow pipe (not shown in figures) .
  • the particle collecting chamber 6 of the present disclosure is provided with a port 61, and the port 61 is communicated with a water/air access mechanism.
  • the water/air access mechanism controls water /air to flow into the particle collecting chamber 6.
  • the water/air access mechanism of the present embodiment is a water inlet valve 16 of the washing machine, the water inlet valve 16 is in communication with the port 61 through a water guide pipe 10, and the water inlet valve controls water feeding into the particle collecting chamber 6.
  • the embodiment is further improved on the basis of the embodiment 2: the port 61 is provided at the bottom of the particle collecting chamber 6.
  • the water outlet direction of the port 61 is provided corresponding to the front of the particle filtering structure 8.
  • the port 61 is provided in front of the baffles 81.
  • the inner diameter of the port 61 is smaller than the minimum diameter of the cleaning particles 5, to prevent the cleaning particles 5 from plugging the port 61, or, the port 61 is provided with a filtering net(not shown in figures).
  • a check valve is provided at the connection of the water guide pipe 10 and the port 61(not shown in figures), it prevents the washing water from flowing back from the water guide pipe 10 to affect water supplying.
  • the inner diameterof the port 61 of the particle collecting chamber get smaller along the direction of the water outlet (As shown in Fig.4 ). The structure increases the water pressure of inlet water, and it utilizes a larger impact force generated by feedingwater to agitate cleaning particles in the particle collecting chamber.
  • the particle collecting chamber 6 is further provided with a third water inlet 62.
  • the water guide pipe 10 is a three-way pipe, commucating seperately with the water inlet valve, the port and the third water inlet. It is more conducive to impact the cleaning particles in the particle collecting chamber and fiber debris by water feeding in a number of directions.
  • the port and the three-way pipe in this embodiment are seperately provided on two opposite sides of the particle collecting chamber (only the third water inlet 62 is shown in Fig.6 , the port not able to be shown as it is on the other side).
  • the water inlet directions of the two water inlets are preferably not on the same line, or, the port and the third water inlet can also be provided on the same side, preferably, the water inlet directions of the two water inlets are set crosswise.
  • the number and the position of the water inlet communicating with the water guide pipe are not limited to structures mentioned above, and other embodiments which can achieve the object of the present disclosure are within the protection scope of the present disclosure.
  • the water/air access mechanism is an air pump 17 which is in communication with the port 61 through an air guide pipe 18, and the air pump 17 controls to blow air into the particle collecting chamber 6.
  • the air pump 17 controls to blow air into the particle collecting chamber 6.
  • Other structures can be found in the embodiment 3 and the embodiment 4.
  • the water draining device 1 of the present disclsoure comprises a pump device feeding water to the particle collecting chamber 6. It utilizes the pump device to feed water to the particle collecting chamber to impact cleaning particles therein and to make the cleaning particles move irregularly. Therefore, blocked or wound fibre debris groups 15 are loosened and a new drainage gap is reformed, the fibre debris are discharged smoothly as drainage continues.
  • the pump device of the present embodiment comprises a reverse pump 16, a water outlet of the reverse pump 16 is in communication with the water outlet 13 of the water draining device, and the water inlet of the reverse pump 16 is in communication with a drain pipe 22 of washing machine.
  • the stored water in the drain pipe 22 is reversely guided into the particle collecting chamber 6, impacts the fibre debris wound on the cleaning particles and cleaning particles blocked in the front part of the particle filtering structure 8 which affects the pass of the line debris.
  • a drain pump 23 which drains water outwardly is provided on the rear part of the reverse pump 16 on the basis of embodiment 7, and the water inlet of the drain pump 23 is communicated with the water inlet of the reverse pump 16, and the water outlet of the drain pump 23 is communicated with the drain pipe 22 of the washing machine.
  • the pump device in this embodiment comprises a circulating pump 24, and the particle collecting chamber 6 is provided with the port 61 which is in communication with the pump device.
  • the water inlet of the circulating pump 24 is communicated with the bottom of the outer tub 3 of the washing machine, and the water outlet is communicated with the port 61 of the particle collecting chamber 6.
  • the water in the outer tub 3 is pressurized by the pump to impact the cleaning particles in the particle collecting chamber and fibre debris groups.
  • the pump device in this embodiment comprises a bi-directional drain pump 19, and the bi-directional drain pump 19 comprises a water inlet and two water outlets.
  • the water inlet is communicated with the water outlet 13 of the water draining device, one water outlet is communicated with the drain pipe 22 of washing machine and the other ontlet is communicated with the port 61 of the particle collecting chamber 6.
  • a check valve 63 is provided on the waterway between the port 61 of the particle collecting chamber 6 and the bi-directional drain pump 19, to prevent water in the outer tub from being discharged directly through the port 61 of the particle collecting chamber 6, the bi-directional drain pump 19 and the drain pipe 22.
  • the pump device in this embodiment comprises a drain pump 20.
  • the water inlet of the drain pump 20 is communicated with the water outlet 13 of the water draining device, and the water outlet is communicated with a multi-way reversing valve 21.
  • a water outlet of the multi-way reversing valve 21 is in communication with the particle collecting chamber 6.
  • the port 61 in this embodiment is set at the bottom of the particle collecting chamber 6 corresponding to the side on which the particles are blocked by the particle filtering structure 8, in order to inlet water and impact directly on the cleaning particles and fibre debris of the side.
  • it is not limited to the position mentioned above, it can also be set on the side of the particle collecting chamber 6 corresponding to the side on which the particles are blocked by the particle filtering structure 8 (see the position of the third water inlet 62 in Fig. 6 ).
  • the cleaning particles 5 of the present disclosure can float in water, and impact against the walls of the inner and outer tubs between the inner tub and the outer tub with the water flow. During the washing process, the cleaning of the walls between the inner tub and the outer tub is realized by the impact and friction of the cleaning particles 5 against walls of the inner and outer tubs driven by the water flow. After the cleaning is over, washing water is drained out through the water draining device 1, and the cleaning particles 5 are collected in the particle collecting chamber 6.
  • the control method of the washing machine in the present disclosure is a control method for delivery the cleaning particles.
  • the water/air access mechanism is a water inlet valve 16 of the washing machine.
  • the water inlet valve is firstly controlled to feed water to the particle collecting chamber 6 through the water guide pipe 10 intervally or continuously to impact the cleaning particles 5 to float upward to the space between the inner tub 4 and the outer tub 3 of the washing machine.
  • the water guide pipe 10 After feeding water through the water guide pipe 10 to the particle collecting chamber 6 for a set time, or, after feeding water through the water guide pipe 10 to a set water level of the outer tub via the water draining device 1, the water inlet 12 and the water draining outlet 2 of the outer tub, the water guide pipe 10 stops feeding water. And then the present water-supplying procedure is executed to feed water to the inner tub 4, that is, the water inlet valve feeds water into a detergent box or other water treatment device and then into then inner tub. Or, it is also possible to feed water at the same time to the end of the water-supplying procedure, and it is not limited to the above-mentioned setting method.
  • the control method of the washing machine in the present disclosure is a control method for delivery the cleaning particles.
  • the water/air access mechanism is an air pump 17. Firstly feeding water to the set water level, the air pump 17 is controlled to blow air into the particle collecting chamber 6 through an air guide pipe 18 intervally or continuously, and to impact the cleaning particles 5 to float upward to the space between the inner tub 4 and the outer tub 3 of the washing machine. Or, the air pump 17 is firstly controlled to blow air through the air guide pipe 18 to loose the cleaning particles 5, then water is fed to make the cleaning particles 5 float upward to the space between the inner tub 4 and the outer tub 3 of the washing machine. Or, it is possible to execute air blowing and water feeding at the same time, and it is not limited to the above-mentioned setting method.
  • the control method of the washing machine in the present disclosure is a control method for draining. Combined with the water draining device in the above-mentioned embodiments.
  • the washing process is completed and during the draining process, it is detected that the reducement of the water level in the outer tub is smaller than a set value or the water level reducing to a set water level.
  • the fibre debris groups are wound and blocked at the front part of the particle filtering structure 8 (as shown Fig. 2 , Fig. from 7 to 9, Fig. 11 and Fig. 12 ).
  • the water/air access mechanism or the pump device controls water/air to flow into the particle collecting chamber 6, to scatter the fibre debris wound on the cleaning particles and/or fibre debris groups blocked by the particle filtering structure, in order to drain smoothly.
  • water/air flows to the particle collecting chamber 6 at a set time interval, to prevent fibre debris from being entangled into groups and not being able to be discharged, causing entanglement of cleaning particleswhich affects the next delivery.
  • the described water/air access mechanism or the pump device is controlled to stop flowing water or air to the particle collecting chamber 6.
  • Embodiments of the above-mentioned embodiments may be further combined or replaced, and the embodiments are merely illustrative of preferred embodiments of the present disclosure, not the limitation of the ideas and scope of the present disclosure. Without departing from the design concept of the present disclosure, various changes and modifications in the technical solutions of the present disclosure by those skilled in the art are within the scope of the present disclosure.

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Detail Structures Of Washing Machines And Dryers (AREA)
  • Control Of Washing Machine And Dryer (AREA)
EP15877575.9A 2015-01-12 2015-07-03 Water draining device of washing machine, washing machine and control method Not-in-force EP3246453B1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
CN201510013177.XA CN105839360B (zh) 2015-01-12 2015-01-12 一种洗衣机排水装置、洗衣机及控制方法
CN201510013178.4A CN105839361B (zh) 2015-01-12 2015-01-12 一种洗衣机排水装置、洗衣机及控制方法
PCT/CN2015/083313 WO2016112660A1 (zh) 2015-01-12 2015-07-03 一种洗衣机排水装置、洗衣机及控制方法

Publications (3)

Publication Number Publication Date
EP3246453A1 EP3246453A1 (en) 2017-11-22
EP3246453A4 EP3246453A4 (en) 2018-01-17
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JP (1) JP6489490B2 (ko)
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EP3246453A4 (en) 2018-01-17
KR102475571B1 (ko) 2022-12-08
WO2016112660A1 (zh) 2016-07-21
JP2018501003A (ja) 2018-01-18
US20180266037A1 (en) 2018-09-20
KR20170098939A (ko) 2017-08-30
EP3246453A1 (en) 2017-11-22
JP6489490B2 (ja) 2019-03-27

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