US20170284010A1 - Clean water wshing function control method of washing machine - Google Patents

Clean water wshing function control method of washing machine Download PDF

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Publication number
US20170284010A1
US20170284010A1 US15/507,646 US201515507646A US2017284010A1 US 20170284010 A1 US20170284010 A1 US 20170284010A1 US 201515507646 A US201515507646 A US 201515507646A US 2017284010 A1 US2017284010 A1 US 2017284010A1
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US
United States
Prior art keywords
water
washing
clothing
laundry
rinsing
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.)
Abandoned
Application number
US15/507,646
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English (en)
Inventor
Jingjing Zhang
Chunxu WANG
Shilong Hao
Yimin Li
Chunfeng Lao
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 Smart Technology R&D Co Ltd
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Qingdao Haier Smart Technology R&D 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
Application filed by Qingdao Haier Smart Technology R&D Co Ltd filed Critical Qingdao Haier Smart Technology R&D Co Ltd
Assigned to QINGDAO HAIER SMART TECHNOLOGY R&D CO., LTD. reassignment QINGDAO HAIER SMART TECHNOLOGY R&D CO., LTD. ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: HAO, Shilong, LAO, Chunfeng, LI, YIMIN, WANG, Chunxu, ZHANG, JINGJING
Publication of US20170284010A1 publication Critical patent/US20170284010A1/en
Abandoned legal-status Critical Current

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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 
    • D06F39/006—Recovery arrangements, e.g. for the recovery of energy or water
    • D06F33/02—
    • 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
    • D06F34/28—Arrangements for program selection, e.g. control panels therefor; Arrangements for indicating program parameters, e.g. the selected program or its progress
    • D06F39/005—
    • 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 
    • D06F39/20—Arrangements for water recovery
    • D06F2202/10—
    • D06F2212/00—
    • D06F2214/00—
    • D06F2226/00—
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B40/00—Technologies aiming at improving the efficiency of home appliances, e.g. induction cooking or efficient technologies for refrigerators, freezers or dish washers

Definitions

  • the present invention relates to the field of washing machines, particularly to a clean-water-washing function control method of a washing machine.
  • the washing program can be selected according to the material of the clothing to reduce the damage to the clothing caused by the physical operation during cleaning of the clothing.
  • the degrees of stain may be different, choosing the same washing program will cause the less dirty clothing also to be washed for a long time, affecting the life of the clothing.
  • the laundry process of the existing conventional washing machines usually comprises water intake, washing—spin-drying—drainage, repeated rinsing—spin-drying—drainage, etc., wherein the washing and each rinsing need to consume a lot of water.
  • the washed or rinsed water is drained to the outside of the washing machine through a drainage pipe.
  • the water consumption of the entire laundry process is relatively large, and the water resource is greatly wasted, especially for the less dirty clothing.
  • the inventors of the present application have found that during rinsing of the clothing in a washing machine which uses a recycled water filtration system comprising, for example, a front filter and a filter membrane assembly (such as an ultrafiltration-membrane assembly), the rinsing water in a washing tub may be filtered to recycle the rinsing water.
  • a recycled water filtration system comprising, for example, a front filter and a filter membrane assembly (such as an ultrafiltration-membrane assembly)
  • the rinsing water in a washing tub may be filtered to recycle the rinsing water.
  • An object of the present invention is to overcome at least one defect of the prior art washing machine having a rinsing water filtration and recycling function and to provide a clean-water-washing function control method of a washing machine having a recycled water filtration system, which helps guide the user in choosing to wash clothing in a water saving manner, and can wash the clothing effectively and protect the clothing and the recycled water filtration system.
  • a further object of the present invention is to provide a control method. capable of selecting different laundry processes depending on the type of clothing to further protect the clothing and the recycled water filtration system.
  • the present invention provides a clean-water-washing function control method of a washing machine, the method comprising:
  • step B enabling or disabling selection of a clean-water-washing function of the washing machine according to the selection instruction.
  • the selection instruction corresponds to information about the type of clothing.
  • control method further comprises:
  • step C determining a laundry sub-program according to whether the clean-water-washing function of the washing machine is selected.
  • step D receiving an execution operating instruction to execute the laundry operation in accordance with the determined laundry sub-process
  • step C comprises:
  • the laundry sub-process is a second laundry sub-process having the clean-water-washing function.
  • the second laundry sub-process comprises a recycled water rinsing stage for rinsing the clothing in a washing tub of the washing machine with rinsing water, and in the recycled water rinsing step of the recycled water rinsing stage, the rinsing water in the washing tub flows into a recycled water filtration system of the washing machine and flows hack into the washing tub after filtration in the recycled water filtration system.
  • the second laundry sub-process further comprises a washing stage executed prior to the recycled water rinsing stage and a dewatering stage executed after the recycled water rinsing stage;
  • the washing stage comprises:
  • washing water injection step of supplying water from a water intake pipe of the washing machine to provide washing water for the washing stage
  • the recycled water rinsing stage comprises:
  • the dewatering stage is used to spin-dry the clothing in the washing tub.
  • the first laundry sub-process comprises at least one normal rinsing stage executed consecutively, each of which is used to rinse the clothing in the washing tub of the washing machine with the rinsing water, and in a normal rinsing step of each of the normal rinsing stages, the recycled water filtration system of the washing machine is in a stop state.
  • the selection of the clean-water-washing function is enabled, where it is determined that the type of the clothing is a compound when a plurality of types of clothing are simultaneously placed in the washing tub, or it is determined that the type of the clothing made of multiple materials is a compound.
  • the selection of the clean-water-washing function is disabled.
  • the step B further comprises: enabling or disabling selection of a special stain function of the washing machine according to the selection instruction;
  • the step C further comprises: determining a laundry sub-process according to whether the special stain function of the washing machine is selected.
  • the clean-water-washing function comprises filtering the laundry water discharged from the washing tub of the washing machine and returning the filtered laundry water back to the washing tub for reuse.
  • the user can self-select the laundry process and decide whether to use the clean-water-washing function, so that the control method not only helps guide the user in choosing to wash Is clothing in a water saving manner, but can also wash the clothing effectively, and protect the clothing and a recycled water filtration system. Moreover, an autonomous and intelligent washing environment is created for the user.
  • the washing machine can select the corresponding laundry process according to the type of the clothing; and the user can select whether or not to use the clean-water-washing function according to the degrees of stain of the clothing to improve the convenience of the user's operation.
  • FIG. 1 is a schematic diagram of a washing machine according to an embodiment of the present invention
  • FIG. 2 is a schematic flow chart of a clean-water-washing function control method of a washing machine according to an embodiment of the present invention
  • FIG. 3 is a schematic flow chart of the clean-water-washing function control method of a washing machine according to an embodiment of the present: invention.
  • FIG. 4 is a schematic flow chart of a step C of the clean-water-washing function of the washing machine according to an embodiment of the present invention
  • FIG. 1 is a schematic diagram of a washing machine according to an embodiment of the present invention.
  • the washing machine may comprise a washing tub 12 , a drainage pump 22 , and a filter assembly.
  • the filter assembly comprises a front filter 24 and an ultrafiltration-membrane assembly 26 .
  • the washing tub 12 is usually composed of an outer tub and an inner tub which is rotatable within the outer tub.
  • An upper part of the washing tub 12 is provided with a fresh water inlet which is connected to a water supply port through a pipeline 11 , and when a valve 13 on the pipeline 11 is opened, fresh washing water or fresh rinsing water may enter the washing tub 12 .
  • a lower part of the washing tub 12 is provided with a drainage port, and the drainage port is in communication with the filter assembly via a drainage pump 22 through a pipeline.
  • a water output port of the ultrafiltration-membrane assembly 26 is in communication with the washing tub 12 through a water intake pipeline 14 .
  • the washing machine of the embodiment of the present invention may further comprise an air pump 32 , and an air outlet of the air pump 32 is in communication with an air inlet of the filter assembly through an airflow pipeline.
  • a check valve 34 is provided on the airflow pipeline.
  • a dense drainage port of the rough filter 24 and a sewage draining port of the ultrafiltration-membrane assembly 26 may be respectively in communication with two inlets of a three-way valve 36 , and an outlet of the three-way valve 36 is in communication with an efflux pipeline 18 of the washing machine, such that the fluid having performed the air cleaning or water washing on the rough filter 24 and/or the ultrafiltration-membrane assembly 26 is directly discharged from the washing machine.
  • the washing water of the washing machine may pass through the drainage pump 22 and the rough filter 24 , and the washing water which is not filtered by the rough filter flows out of the washing machine through the outlet of the three-way valve 36 and the efflux pipeline 18 of the washing machine.
  • the recycled water filtration system of the washing machine of the embodiment of the present invention may comprise a drainage pump 22 , a filter assembly and a water intake pipeline 14 .
  • the clean-water-washing function may comprise filtering the laundry water discharged from the washing tub 12 of the washing machine and returning the filtered laundry water back to the washing tub 12 for reuse.
  • the water in the washing tub 12 is pumped out and conveyed into the filter assembly for filtration, and the filtered water passes through the water output port of the ultrafiltration-membrane assembly 26 and the water intake pipeline 14 , and is returned to the washing tub 12 for reuse.
  • the recycled water filtration system is configured to allow water in the washing tub of the washing machine to flow into the recycled water filtration system during at least one operation stage of the clean-water-washing function of the washing machine and to allow the water to be filtered in the recycled water filtration system and then flow back into the washing tub for reuse.
  • the water in the washing tub may flow into the recycled water filtration system and is filtered therein and then flows back into the washing tub; and in other stages, such as the washing stage or the dewatering stage, the water in the washing tub cannot flow into the recycled water filtration system for filtration, and is discharged directly from the washing machine.
  • FIG. 2 is a schematic flow chart of the clean-water-washing function control method of a washing machine according to an embodiment of the present invention.
  • the clean-water-washing function control method of a washing machine in the embodiment of the present invention comprises:
  • step A receiving a selection instruction of a laundry process.
  • the user can choose the laundry process according to his/her own preference, the degrees of stain of the clothing, etc., and the washing machine can receive the selection instruction of the laundry process, so that the corresponding laundry process can be selected from the system.
  • step B enabling or disabling selection of a clean-water-washing function of the washing machine according to the selection instruction.
  • some of the laundry processes within the system do not have the clean-water-washing function, and therefore the selection of the clean-water-washing function of the washing machine is disabled; and some other laundry processes enable the selection of the clean-water-washing function of the washing machine, so that the washing machine allows or forbids the user to select the clean-water-washing function of the washing machine according to the selection instruction of the selected laundry process.
  • the appropriate laundry process can be determined according to the type of the clothing to better protect the clothing and to effectively wash the clothing, while allowing the user to operate the washing machine conveniently.
  • the selection instruction may correspond to information about the type of clothing. That is to say, when the selection instruction includes the information about the type of clothing or when the user operates a button of an operation interface of the washing machine, the washing machine may retrieve the corresponding information about the type of clothing which corresponds to the button and stored in advance. For example, when the type of the clothing is cotton, a chemical fiber, a compound or undergarment, the laundry process to be executed is selected to enable the selection of the clean-water-washing function. When the type of the clothing is a curtain, the laundry process to be executed is selected to disable the selection of the clean-water-washing function.
  • the clean-water-washing function control method of a washing machine in the embodiment of the present invention further comprises:
  • step C determining a laundry sub-process according to whether the clean-water-washing function of the washing machine is selected.
  • step D receiving an execution operating instruction to execute the laundry operation in accordance with the determined laundry sub-process.
  • step C (determining a laundry sub-process according to whether the clean-water-washing function of the washing machine is selected) may comprise:
  • the laundry sub-process is a second laundry sub-process having the clean-water-washing function.
  • the specific working procedure of the step C may be: judging whether or not the selection of the clean-water-washing function is enabled, and if the selection of the clean-water-washing function is disabled, determining that the laundry sub-process is a first laundry sub-process executed by default. If the selection of the clean-water-washing function is enabled, it is judged whether or not an instruction for selecting the clean-water-washing function is received, and if the instruction for selecting the clean-water-washing function is not received, determining that the laundry sub-process is a first laundry sub-process executed by default, otherwise determining that the laundry sub-process is a second laundry sub-process.
  • the second laundry sub-process comprises a recycled water rinsing stage in which the rinsing water in the washing tub flows into a recycled water filtration system of the washing machine and flows back into the washing tub after filtration in the recycled water filtration system, so as to make full use of the rinsing water and save water resources.
  • the second laundry sub-process further comprises a washing stage executed prior to the recycled water rinsing stage and a dewatering stage executed after the recycled water rinsing stage.
  • the washing stage may comprise: a washing water injection step of supplying water from the water intake pipe of the washing machine to provide the washing water for the washing stage; a washing step of washing the clothing in the washing tub with a detergent and the washing water; and a washing dewatering step of dewatering the clothing in the washing tub.
  • the recycled water rinsing stage may comprise: a rinsing water injection step of supplying water from the water intake pipe to provide the rinsing water for the recycled water rinsing stage; a recycled water rinsing step; and a rinsing dewatering step for dewatering the clothing in the washing tub, the dewatering stage is used to spin-dry the clothing in the washing tub.
  • the rotation speed of the washing tub during the dewatering of the clothing in the washing dewatering step and in the rinsing dewatering step is lower than the rotation speed of the washing tub during the dewatering in the dewatering stage, and the time of the dewatering of the clothing in the washing dewatering step and in the rinsing dewatering step is shorter than the time of dewatering in the dewatering stage, because the dewatering of the clothing in the washing dewatering step and in the rinsing dewatering step is only as much as possible to remove the water in the laundry, whereas the dewatering of the clothing in the dewatering stage is to be as much as possible to remove the water in the laundry to facilitate drying.
  • the recycled water rinsing stage has no rinsing dewatering step.
  • the first laundry sub-process comprises at least one normal rinsing stage executed consecutively, each of which is used to rinse the clothing in the washing tub of the washing machine with the rinsing water, and in a normal rinsing step of each of the normal rinsing stages, the recycled water filtration system of the washing machine is in a stop state, so that the rinsing water in the washing tub is held in the washing tub (the stop state here may refer to a deactivated state or a closed state in which the filter in the recycled water filtration system does not operate).
  • the first laundry subprocess may further comprise a washing stage executed prior to the at least one normal rinsing stage and a dewatering stage executed after the at least one normal rinsing stage.
  • the washing stage comprises: a washing water injection step of supplying water from the water intake pipe of the washing machine to provide the washing water for the washing stage; a washing step of washing the clothing in the washing tub with a detergent and the washing water; and a washing dewatering step of dewatering the clothing in the washing tub.
  • Each of the normal rinsing stages comprises: a rinsing water injection step of supplying water from the water intake pipe to provide the rinsing water for the recycled water rinsing stage; a normal rinsing step; and a rinsing dewatering step for dewatering the clothing in the washing tub, the dewatering stage is used to spin-dry the clothing in the washing tub.
  • the last normal rinsing stage has no rinsing dewatering step.
  • the laundry process to be executed is selected to enable the selection of the clean-water-washing function, where it is determined that the type of the clothing is a compound when a plurality of types of clothing are simultaneously placed in the washing tub, or it is determined that the type of the clothing made of multiple materials is a compound.
  • the machine is started, entering a laundry process selection interface where the user clicks on the type of clothing that needs to be washed, i.e., the washing machine receives a selection instruction of the laundry process, which includes the information about the type of clothing, when the user selects the type of clothing to be washed as being cotton/linen, the selection instruction, which is received by the washing machine and comprises the information about the type of clothing, is cotton/linen, and the laundry process to be executed is determined to be cotton/linen laundry process which enables the selection of the clean-water-washing function, entering a function selection interface.
  • the user can decide whether to select the clean-water-washing function according to the degrees of stain of the clothing; if the clothing is dirty, the user can click the start button, the washing machine receives the execution operating instruction and executes the laundry operation according to the first cotton/linen laundry sub-process. If the clothing is less dirty, the user can select the clean-water-washing function to enter the clean-water-washing function interface, the user can click a start button of the clean-water-washing function interface, and the washing machine receives the execution operating instruction and executes the laundry operation according to the second cotton/linen laundry sub-process to wash the clothing.
  • Washing parameters respectively set in the first cotton/linen laundry sub-process and the second cotton/linen laundry sub-process are also different, for example, the first cotton/linen laundry sub-process comprises three consecutive rinsing stages, and the second cotton/linen laundry sub-process only comprises one recycled water rinsing stage.
  • the laundry process to be executed is selected to disable the selection of the clean-water-washing function.
  • the selection instruction which is received by the washing machine and comprises the information about the type of clothing, is a curtain
  • the laundry process to be executed is selected to be a curtain laundry process which disables the selection of the clean-water-washing function.
  • the clean-water-washing function button on the function selection interface of the washing machine is in an unselectable state. The user directly clicks the start button, and the washing machine receives the execution operating instruction, and executes the laundry operation in accordance with the first curtain laundry sub-process executed by default.
  • the washing parameters respectively set in the first cotton/linen laundry process and the first curtain laundry sub-process are also different, for example, the washing of the cotton/linen clothing in the first cotton/linen laundry sub-process lasts for 15 minutes, and the washing of the curtain in the first curtain laundry sub-process lasts for 20 minutes.
  • the clean-water-washing function control method of a washing machine between the step C and the step D, further comprises a step E of receiving change information of some or all of the parameters of the determined laundry sub-process.
  • the user may make changes on some or all of the washing parameters of the first laundry sub-process in the function selection interface such that the laundry procedure of the first laundry sub-process satisfies his/her own laundry habits, and such changes may be changes in the washing time and the rinsing time.
  • the number of times the recycled water rinsing stages are carried out in the second laundry sub-process cannot be changed, whereas the number of times the normal rinsing stages are carried out in the first laundry sub-process can be changed.
  • the step B further comprises: enabling or disabling selection of a special stain function of the washing machine according to the selection instruction.
  • the step C further comprises: determining a laundry sub-process according to whether the special stain function of the washing machine is selected, so as to effectively wash special stains (blood stains, grease, etc.) on the clothing.

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Control Of Washing Machine And Dryer (AREA)
  • Detail Structures Of Washing Machines And Dryers (AREA)
US15/507,646 2014-09-22 2015-09-18 Clean water wshing function control method of washing machine Abandoned US20170284010A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
CN201410488183.6A CN105420988B (zh) 2014-09-22 2014-09-22 洗衣机的净水洗功能的控制方法
CN201410488183.6 2014-09-22
PCT/CN2015/090056 WO2016045555A1 (fr) 2014-09-22 2015-09-18 Fonction de lavage à l'eau propre et procédé de commande de lave-linge

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US20170284010A1 true US20170284010A1 (en) 2017-10-05

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US15/507,646 Abandoned US20170284010A1 (en) 2014-09-22 2015-09-18 Clean water wshing function control method of washing machine

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US (1) US20170284010A1 (fr)
EP (1) EP3176299B1 (fr)
JP (1) JP6404458B2 (fr)
CN (1) CN105420988B (fr)
WO (1) WO2016045555A1 (fr)

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CN107747195A (zh) * 2016-12-29 2018-03-02 王跃农 节水型洗衣机
CN113493988A (zh) * 2020-04-01 2021-10-12 佛山市云米电器科技有限公司 基于洗衣机的净水控制方法、净水器、系统及存储介质
US20230151523A1 (en) * 2021-11-15 2023-05-18 Haier Us Appliance Solutions, Inc. Method of controlling a filtration system in a laundry treatment appliance

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CN117107489A (zh) * 2022-05-23 2023-11-24 青岛海尔洗衣机有限公司 一种衣物处理设备及控制方法

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107747195A (zh) * 2016-12-29 2018-03-02 王跃农 节水型洗衣机
CN113493988A (zh) * 2020-04-01 2021-10-12 佛山市云米电器科技有限公司 基于洗衣机的净水控制方法、净水器、系统及存储介质
US20230151523A1 (en) * 2021-11-15 2023-05-18 Haier Us Appliance Solutions, Inc. Method of controlling a filtration system in a laundry treatment appliance
US11913155B2 (en) * 2021-11-15 2024-02-27 Haier Us Appliance Solutions, Inc. Method of controlling a filtration system in a laundry treatment appliance

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EP3176299A4 (fr) 2017-08-16
WO2016045555A1 (fr) 2016-03-31
EP3176299B1 (fr) 2018-10-03
CN105420988A (zh) 2016-03-23
EP3176299A1 (fr) 2017-06-07
CN105420988B (zh) 2019-08-09
JP6404458B2 (ja) 2018-10-10
JP2017532091A (ja) 2017-11-02

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