WO2022042271A1 - Machine à laver et son procédé de commande - Google Patents

Machine à laver et son procédé de commande Download PDF

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Publication number
WO2022042271A1
WO2022042271A1 PCT/CN2021/111397 CN2021111397W WO2022042271A1 WO 2022042271 A1 WO2022042271 A1 WO 2022042271A1 CN 2021111397 W CN2021111397 W CN 2021111397W WO 2022042271 A1 WO2022042271 A1 WO 2022042271A1
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WO
WIPO (PCT)
Prior art keywords
water
pipeline
filtering
connecting pipe
flushing
Prior art date
Application number
PCT/CN2021/111397
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English (en)
Chinese (zh)
Inventor
姜永富
公涛
刘尊安
王世宇
Original Assignee
重庆海尔洗衣机有限公司
海尔智家股份有限公司
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Publication date
Application filed by 重庆海尔洗衣机有限公司, 海尔智家股份有限公司 filed Critical 重庆海尔洗衣机有限公司
Publication of WO2022042271A1 publication Critical patent/WO2022042271A1/fr

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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 
    • D06F33/43—Control of cleaning or disinfection of washing machine parts, e.g. of tubs
    • 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
    • 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
    • D06F35/00—Washing machines, apparatus, or methods not otherwise provided for
    • D06F35/005—Methods for washing, rinsing or spin-drying
    • D06F35/008—Methods for washing, rinsing or spin-drying for disinfecting the tub or the drum
    • 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
    • D06F2103/14—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
    • D06F2105/54—Changing between normal operation mode and special operation modes, e.g. service mode, component cleaning mode or stand-by mode

Definitions

  • the invention belongs to the technical field of washing machines, and in particular relates to a washing machine and a control method thereof.
  • washing machines have become one of the main household appliances in people's daily life.
  • the lint is attached to the inner and outer barrels of the washing machine with the movement of the washing water. Over time, the lint accumulates more, which is not only easy to breed. Bacteria will affect the flow of washing water, and some lint on the barrel wall will enter the washing water in the next laundry, causing secondary pollution of the washing water, seriously affecting the cleanliness of laundry and the health of users. In addition, the lint cannot be rinsed clean. After drying, most of the lint sticks to the clothes, causing pollution, and it is difficult to remove the clothes after drying.
  • the Chinese patent document with the patent number of 201310020244.1 discloses a washing machine with a self-cleaning lint filter device and a control method thereof.
  • a branch pipeline is drawn between the drain outlet and the drain valve of the washing machine, and the branch pipeline is sequentially connected to the circulation
  • the pump and the lint filter device are divided into two branches after passing through the lint filter device, the first branch is connected to the washing tub of the washing machine, and the second branch is connected to the water inlet pipe through the backflushing water inlet valve.
  • the washing machine can filter the lint in the washing water
  • the washing water mixed with the lint can only be discharged out of the washing machine through the circulation pump and the drain valve in sequence when the washing machine is draining.
  • the flushing water mixed with lint flows through the circulating pump and the drain valve, the lint easily causes the circulating pump and the drain valve to block.
  • the flushing of the filter device is limited by the drainage of the washing machine, and the filtration can only be performed when the washing machine is draining. The unit is cleaned, otherwise the rinse water will not be able to drain out of the washing machine.
  • the first object of the present invention is to overcome the deficiencies of the prior art and provide a washing machine to solve the problem that the circulation pump and the drain valve are easily blocked when the washing water mixed with impurities is discharged from the washing machine in the prior art.
  • a washing machine includes an outer tub and an inner tub arranged in the outer tub, the outer tub is connected to a water inlet end of a filtering device through a filtering water inlet pipeline, and the water outlet end of the filtering device passes the filtered water through the filtering water outlet pipeline. Drainage to the inner barrel;
  • the flushing device includes a flushing water inlet pipeline and a flushing water outlet pipeline, the flushing water inlet pipeline is communicated with the filtering water outlet pipeline, and the flushing water outlet pipeline is connected with the flushing water outlet pipeline.
  • the filtered water inlet pipeline is communicated.
  • the filtering water outlet pipeline includes a first pipeline connecting the outer barrel and the water inlet end of the circulating device and a second pipeline connecting the water outlet end of the circulating device and the water inlet end of the filtering device; the flushing water outlet pipe The road is communicated with the second pipeline;
  • the second pipeline includes a first branch connecting pipe and a second branch connecting pipe, the water inlet end of the first branch connecting pipe is connected with the water outlet end of the circulation device, and the water outlet ends of the first branch connecting pipe are respectively connected with the water outlet end of the circulation device.
  • the water inlet end of the second sub-connecting pipe is communicated with the water inlet end of the flushing water outlet pipe, the water outlet end of the second sub-connecting pipe is communicated with the water inlet end of the filtering device, and the first sub-connecting pipe is provided with a first control valve , a second control valve is arranged on the flushing water outlet pipeline.
  • the bottom of the outer tub is provided with a drainage outlet, the drainage outlet communicates with the drainage device, and the outlet end of the flushing water outlet pipeline is communicated with the drainage pipeline of the drainage device.
  • the filtered water outlet pipeline includes a third sub-connecting pipe and a fourth sub-connecting pipe;
  • the water inlet end of the third branch connecting pipe is communicated with the water outlet end of the filtering device, and the water outlet end of the third branch connecting pipe is respectively connected with the water inlet end of the fourth branch connecting pipe and the water outlet end of the flushing water inlet pipeline.
  • the water outlet end of the fourth sub-connecting pipe is communicated with the inner cavity of the inner barrel;
  • the water inlet pipe is provided with a third control valve and/or the fourth branch connecting pipe is provided with a fourth control valve.
  • it also includes a flow detection device
  • the flow detection device is arranged on the third branch connecting pipe or the fourth branch connecting pipe.
  • the second object of the present invention is to overcome the deficiencies of the prior art and provide a washing machine to solve the problem that the circulation pump and the drain valve are easily blocked when the washing water mixed with impurities is discharged from the washing machine in the prior art.
  • a method for controlling a washing machine as described above comprising:
  • the flushing water controlling the flushing device enters the filtering device through the flushing water inlet pipeline and the filtering water outlet pipeline in turn, the flushing water flushes the filtering device, and the flushing water with impurities is discharged through the filtering water inlet pipeline and the flushing water outlet pipeline in sequence.
  • the flushing water controlling the flushing device enters the filtering device through the flushing water inlet pipe and the third sub-connecting pipe in turn, the flushing water flushes the filtering device, and the flushing water with impurities is discharged through the second sub-connecting pipe and the flushing water outlet pipe in sequence;
  • the flushing water controlling the flushing device enters the filtering device through the flushing water inlet pipe and the third sub-connecting pipe in turn, the flushing water flushes the filtering device, and the flushing water with impurities passes through the second sub-connecting pipe and the flushing water outlet in sequence. , the drainage pipe of the drainage device is discharged;
  • it also includes controlling the fourth control valve to be closed.
  • the washing water flows from the outer tub through the first pipeline, the first sub-connecting pipe, and the second sub-connecting pipe to the filtering device in sequence, the impurities in the washing water are collected at the filtering device, and the filtered washing water is sequentially Drainage to the inner barrel through the third sub-connecting pipe and the fourth sub-connecting pipe.
  • the flow detection device detects the flow of the washing water at the outlet end of the filter device, compares the detection value n with the preset threshold value N, and if n ⁇ N, it is determined that the filter device is blocked.
  • the filtering device is controlled to stop filtering, the washing device is controlled to work, and the filtering device is cleaned;
  • control the filtering device to filter; or control the filtering device to stop filtering, control the washing device to work, and clean the filtering device;
  • the flow detection device detects the washing water flow at the water outlet of the filtering device in real time; or the flow detection device detects the washing water flow at the water outlet of the filtering device at intervals T.
  • the present invention has the following beneficial effects compared with the prior art:
  • the washing machine of the present invention communicates the flushing water outlet pipeline with the filtering water inlet pipeline, the flushing water outlet pipeline and the washing machine drainage device are independent of each other, and the washing machine drainage will not be affected when the flushing water is discharged from the flushing water outlet pipeline. valve.
  • the washing machine of the present invention communicates the flushing water outlet pipeline with the filtering water inlet pipeline, the flushing water outlet pipeline and the washing machine drainage device are independent of each other, and the flushing water can be discharged at any time without being limited by the washing machine drainage time.
  • the washing machine of the present invention is provided with a flow detection device at the water outlet of the filter device. By comparing the detected flow rate with the preset flow rate, whether the filter device is blocked can be monitored in real time, and the filter device can be cleaned in time.
  • Fig. 1 is the structural representation one of the washing machine of the present invention
  • FIG. 2 is a second structural schematic diagram of the washing machine of the present invention.
  • Inner barrel 2. Outer barrel; 31. Filter inlet pipeline; 311, First pipeline; 312, First branch connection pipe; 313, Second branch connection pipe; 32, Filter water outlet pipeline; 321, Third Sub-connecting pipe; 322, fourth sub-connecting pipe; 33, filter device; 34, circulation device; 35, first control valve; 36, fourth control valve; 41, flushing water inlet pipeline; 42, flushing water outlet pipeline; 43, the second control valve; 44, the third control valve; 5, the drainage device; 51, the drainage valve; 52, the drainage pipeline; 6, the flow detection device.
  • the terms “installed”, “connected” and “connected” should be understood in a broad sense, for example, it may be a fixed connection or a detachable connection, Or integrally connected; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium.
  • installed should be understood in a broad sense, for example, it may be a fixed connection or a detachable connection, Or integrally connected; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium.
  • the present invention discloses a washing machine, which includes an outer tub 2 and an inner tub 1 arranged in the outer tub 2 , and the outer tub 2 is connected to the water inlet end of the filtering device 33 through the filtering water inlet pipeline 31 . , the water outlet end of the filtering device 33 diverts the filtered water to the inner barrel 1 through the filtering water outlet pipeline 32;
  • the flushing device includes a flushing water inlet pipeline 41 and a flushing water outlet pipeline 42.
  • the flushing water inlet pipeline 41 communicates with the filtered water outlet pipeline 32.
  • the flushing water outlet pipeline 42 communicates with the filtering water inlet pipeline 31 .
  • the washing machine of the present invention communicates the flushing water outlet pipe 42 with the filtering water inlet pipe 31, and the flushing water outlet pipe 42 and the washing machine drainage device 5 are independent of each other.
  • the filtering device 33 needs to be cleaned, the flushing water flows from the flushing water inlet pipe 41 is flushed into the filter device 33, and the filter device 33 is reversely flushed, and the flushing water is discharged from the flushing water outlet pipe 42 to the washing machine, and the flushing water is discharged without affecting the washing machine drain valve 51.
  • the filter device 33 when the filter device 33 needs to be cleaned, it can be cleaned in time, and the filter device 33 does not need to be cleaned after the washing machine drains the water.
  • the washing machine of the invention can automatically filter the washing water and clean the impurities, no lint is stored in the washing machine, secondary pollution will not be caused because the user forgets to clean up, and the user experience effect is good.
  • the circulation filter device 33 is a pump
  • the filtered water outlet pipeline 32 includes a first pipeline 311 connecting the outer tub 2 and the water inlet end of the pump, and a water outlet end connecting the pump and the pump.
  • the second pipeline at the water inlet end of the filter device 33; the flushing water outlet pipeline 42 is communicated with the second pipeline.
  • a first pipeline 311 is arranged at the bottom of the outer tub 2 and communicated with the inner cavity of the outer tub 2.
  • the first pipeline 311 is connected with the second pipeline through a pump, and the second pipeline is connected with the water inlet end of the filter device 33, which can prevent flushing Water enters the inner cavity of the outer tub 2 .
  • the flushing water pipeline 42 is connected with the second pipeline, and the flushing water pipeline 42 is arranged between the pump and the filter device 33.
  • the flushing water flowing out from the filtering device 33 will be directly discharged from the washing machine from the flushing water pipeline 42, and the flushing water can be flushed. Lint in the water will also be drained directly out of the washing machine without clogging the pump.
  • the washing machine of the present invention further includes a drainage device 5, the drainage device 5 includes a drainage pipeline 52 and a drainage valve 51 arranged on the drainage pipeline 52, and a drainage port is provided at the bottom of the outer tub 2, The water outlet is connected to the water inlet end of the drainage pipeline 52 , and the water outlet end of the flushing water outlet pipeline 42 is connected to the drainage pipeline 52 of the drainage device 5 .
  • the water outlet end of the flushing water outlet pipe 42 can also be connected to the water outlet end of the washing machine drain pipe 52 , so that the flushing water flowing to the flushing water outlet pipe 42 can be drained out of the washing machine through the drain pipe 52 .
  • the flushing water outlet pipe 42 of the present invention is arranged downstream of the drain valve 51, and the drain valve 51 will not be blocked when the flushing water is discharged, and there is no need to wait until the drain valve 51 is opened to discharge the flushing water.
  • the second pipeline includes a first branch connecting pipe 312 and a second branch connecting pipe 313;
  • the water inlet end of the first sub-connecting pipe 312 is connected with the pump outlet end, and the water outlet end of the first sub-connecting pipe 312 is respectively connected with the water inlet end of the second sub-connecting pipe 313 and the inlet and outlet of the flushing water outlet pipe 42 .
  • the water end is connected, the water outlet end of the second branch connection pipe 313 is connected with the water inlet end of the filter device 33 , the first branch connection pipe 312 is provided with a first control valve 35 , and the flushing water outlet pipe 42 is provided with a first control valve 35 .
  • Two control valves 43 Two control valves 43 .
  • the first control valve 35 is open when the pump leads the washing water in the washing machine to the filter device 33 for filtration, so as to ensure that the washing water flows smoothly to the filter device 33 to filter the washing water;
  • the water is in a closed state when the filter device 33 is reversely flushed, so that the flushing water mixed with lint can be flushed into the flushing water outlet pipe 42, and the washing machine can be directly discharged or discharged through the drainage pipe 52, which can prevent the flushing water from flowing to the pump.
  • the second control valve 43 is closed when the pump leads the washing water in the washing machine to the filter device 33 for filtering, so as to ensure that the washing water flows smoothly to the filter device 33 to filter the washing water;
  • the filter device 33 is in an open state when it realizes the reverse flushing function, so as to flush the lint mixed with the lint into the flushing water outlet pipe 42 and directly discharge the washing machine or discharge the washing machine through the drainage pipe 52 .
  • the filtered water outlet pipeline 32 includes a third branch connecting pipe 321 and a fourth branch connecting pipe 322;
  • the water inlet end of the third branch connecting pipe 321 is connected with the water outlet end of the filter device 33 , and the water outlet end of the third branch connecting pipe 321 is respectively connected with the water inlet end of the fourth branch connecting pipe 322 and the flushing water inlet pipeline.
  • the water outlet end of 41 is communicated, and the water outlet end of the fourth sub-connecting pipe 322 is communicated with the inner cavity of the inner barrel 1;
  • a third control valve 44 is provided on the flushing water inlet pipeline 41
  • a fourth control valve 36 is provided on the fourth branch connecting pipe 322 .
  • the third control valve 44 is in a closed state when the water outlet end of the filter device 33 diverts the washing water to the inner tub 1 through the filtered water outlet pipeline 32 to ensure that the washing water does not impact the flushing water inlet pipeline 41;
  • the water inlet pipe 41 is in an open state, so that the flushing water can clean the filter device 33 smoothly.
  • the fourth control valve 36 is in a closed state when the flushing water enters the flushing water inlet pipe 41, which can increase the pressure of flushing water and improve the flushing efficiency; the filtered water is drained to the outlet of the filtering device 33 through the filtering water outlet pipe 32.
  • the inner tub 1 is open to ensure that the washing water returns to the inner tub 1 smoothly.
  • the washing machine of the present invention further includes a flow detection device 6 for detecting the flow rate of the washing water at the outlet end of the filter device 33;
  • the flow detection device 6 is arranged on the third branch connecting pipe 321 or the fourth branch connecting pipe 322 .
  • the filter device 33 when the filter device 33 is used to filter the washing water, the flow rate at the outlet end of the filter device 33 is monitored, and when the flow rate in the circulation pipe is lower than the preset value, the washing device is immediately activated to wash the filter device 33 to ensure the filtering
  • the device 33 can work normally.
  • the present invention also discloses a control method for the washing machine as described above, comprising:
  • the washing water in the washing machine is introduced into the filtering device 33 through the filtering water inlet pipeline 31 for filtering, and the filtered washing water is drained to the inner tub 1 through the filtering water outlet pipeline 32, which has the effect of lint filtering, and Not affected by wash water level.
  • the filter device 33 When the filter device 33 needs to be cleaned, control the flushing water to enter the filter device 33 through the flushing water inlet pipeline 41 and the filtered water outlet pipeline 32 in sequence, the flushing water flushes the filtering device 33, and the flushing water with impurities passes through the filtering water inlet pipeline in turn. 31.
  • the flushing water pipe 42 is discharged, and the filter device 33 is automatically cleaned.
  • the flushing water outlet pipe 42 is connected with the filtering water inlet pipe 31, and the flushing water outlet pipe 42 and the washing machine drainage device 5 are independent of each other.
  • the flushing water is sprayed from the flushing water inlet pipe 41 into the filter.
  • the device 33 performs reverse flushing on the filter device 33, and the flushing water is discharged from the flushing water outlet pipe 42 to the washing machine, and the flushing water is discharged without affecting the washing machine drain valve 51.
  • the washing machine of the present invention can use the filter device 33 to filter the washing water for many times during the washing process, so as to achieve a high lint filtering effect.
  • controlling the filtering device 33 to work includes:
  • the washing water flows from the outer tub 2 through the first pipeline 311, the first sub-connecting pipe 312, and the second sub-connecting pipe 313 to the filtering device 33 in sequence, and the impurities in the washing water are collected at the filtering device 33.
  • the filtered washing water is drained to the inner tub 1 through the third branch connecting pipe 321 and the fourth branch connecting pipe 322 in sequence.
  • Controlled flushing operations include:
  • the flushing water controlling the flushing device enters the filtering device 33 through the flushing water inlet pipeline 41 and the third sub-connecting pipe 321 in sequence, and the flushing water flushes the filtering device 33 , and the flushing water with impurities passes through the second The sub-connecting pipe 313 and the flushing water pipe 42 are discharged.
  • the flushing water controlling the flushing device enters the filtering device 33 through the flushing water inlet pipe 41 and the third sub-connecting pipe 321 in sequence, and the flushing water flushes the filtering device 33 , and the flushing water with impurities passes through the filtering device 33 in sequence.
  • the second branch connection pipe 313 , the flushing water outlet pipe 42 , and the drainage pipe 52 of the drainage device 5 are discharged.
  • the method further includes controlling the fourth control valve 36 to be closed.
  • the flushing device in order to ensure the filtering effect, the flushing device can be controlled to clean the filtering device 33 in time.
  • the flow detection device 6 detects the flow of the washing water at the outlet end of the filter device 33, and compares the detection value n with the preset threshold value N. If n ⁇ N, it is determined that the filter device 33 is blocked, that is to say, the filter device 33 has been unable to The wash water is effectively filtered.
  • the filter device 33 is controlled to stop filtering, the washing device is controlled to work, and the filter device 33 is washed. After the washing is completed, the filter device 33 can continue to filter the washing water.
  • the filtering device 33 is controlled to continue filtering; of course, the filtering device 33 can also be controlled to stop filtering, the washing device can be controlled to work, and the filtering device 33 can be cleaned.
  • the flow detection device 6 detects the washing water flow at the outlet end of the filtering device 33 in real time; or the flow detection device 6 detects the washing water flow at the outlet end of the filtering device 33 at intervals T.

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Detail Structures Of Washing Machines And Dryers (AREA)

Abstract

Sont divulgués une machine à laver et son procédé de commande. La machine à laver comprend une cuve extérieure et une cuve intérieure disposée dans la cuve extérieure, la cuve extérieure étant en communication avec une extrémité d'admission d'eau d'un dispositif de filtration au moyen d'un tuyau d'admission d'eau de filtration, et une extrémité de sortie d'eau du dispositif de filtration guidant l'eau filtrée vers la cuve intérieure au moyen d'un tuyau de sortie d'eau de filtration ; et la machine à laver comprend en outre un dispositif de lavage utilisé pour laver le dispositif de filtration, le dispositif de lavage comprenant un tuyau d'admission d'eau de lavage et un tuyau de sortie d'eau de lavage, le tuyau d'admission d'eau de lavage étant en communication avec le tuyau de sortie d'eau de filtration et le tuyau de sortie d'eau de lavage étant en communication avec le tuyau d'admission d'eau de filtration. La machine à laver selon la présente invention permet au tuyau de sortie d'eau de lavage d'être en communication avec le tuyau d'entrée d'eau de filtration, le tuyau de sortie d'eau de lavage et un dispositif de drainage de machine à laver sont mutuellement indépendants, de telle sorte que, lorsque l'eau de lavage est drainée du tuyau de sortie d'eau de lavage, une soupape de drainage de machine à laver ne peut pas être affectée, et l'eau de lavage peut être drainée à n'importe quel moment et n'est pas limitée par le temps de drainage de la machine à laver.
PCT/CN2021/111397 2020-08-27 2021-08-09 Machine à laver et son procédé de commande WO2022042271A1 (fr)

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CN202010877134.7 2020-08-27
CN202010877134.7A CN112064299A (zh) 2020-08-27 2020-08-27 一种洗衣机及其控制方法

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CN113384215A (zh) * 2021-07-16 2021-09-14 华帝股份有限公司 排渣装置、洗碗机及排渣方法

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CN105350266A (zh) * 2014-08-20 2016-02-24 青岛海尔智能技术研发有限公司 洗衣机及对其前置过滤器进行反向冲洗的方法
CN105463791A (zh) * 2014-09-11 2016-04-06 青岛海尔洗衣机有限公司 一种洗衣机循环水过滤堵塞判断处理方法
CN204185694U (zh) * 2014-09-30 2015-03-04 合肥市宏键精工模具有限责任公司 一种带自清洁毛绒收集器洗衣机
CN207537748U (zh) * 2017-10-24 2018-06-26 青岛海尔洗衣机有限公司 用于洗衣机的排水泵工作状态检测装置
CN109912089A (zh) * 2019-03-28 2019-06-21 武汉理工大学 洗衣机内循环管路
CN112064299A (zh) * 2020-08-27 2020-12-11 青岛海尔洗衣机有限公司 一种洗衣机及其控制方法

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