WO2022062728A1 - 一种洗衣机控制方法及洗衣机 - Google Patents

一种洗衣机控制方法及洗衣机 Download PDF

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Publication number
WO2022062728A1
WO2022062728A1 PCT/CN2021/111390 CN2021111390W WO2022062728A1 WO 2022062728 A1 WO2022062728 A1 WO 2022062728A1 CN 2021111390 W CN2021111390 W CN 2021111390W WO 2022062728 A1 WO2022062728 A1 WO 2022062728A1
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Prior art keywords
drum
washing machine
speed
dehydration
set value
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PCT/CN2021/111390
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English (en)
French (fr)
Inventor
赵志强
许升
吕佩师
李以民
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青岛海尔滚筒洗衣机有限公司
海尔智家股份有限公司
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Publication of WO2022062728A1 publication Critical patent/WO2022062728A1/zh

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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
    • 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
    • D06F33/40—Control of operational steps, e.g. optimisation or improvement of operational steps depending on the condition of the laundry of centrifugal separation of water from the laundry
    • 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
    • D06F23/00—Washing machines with receptacles, e.g. perforated, having a rotary movement, e.g. oscillatory movement, the receptacle serving both for washing and for centrifugally separating water from the laundry 
    • D06F23/02—Washing machines with receptacles, e.g. perforated, having a rotary movement, e.g. oscillatory movement, the receptacle serving both for washing and for centrifugally separating water from the laundry  and rotating or oscillating about a horizontal axis
    • 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 
    • 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
    • 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 
    • D06F33/46—Control of the energy or water consumption
    • 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 
    • D06F33/48—Preventing or reducing imbalance or noise
    • 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
    • D06F2103/26—Imbalance; Noise 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
    • D06F2105/00—Systems or parameters controlled or affected by the control systems of washing machines, washer-dryers or laundry dryers
    • D06F2105/46—Drum speed; Actuation of motors, e.g. starting or interrupting
    • D06F2105/48—Drum speed

Definitions

  • the invention belongs to a non-porous drum and no-clean washing machine in the field of washing machines, in particular to a control method applied to the above-mentioned no-clean washing machine, in particular to a dehydration control method applied to the above-mentioned no-clean washing machine.
  • a drum washing machine generally includes a drum and an outer drum that are fitted with each other, the outer drum is sealed for holding water, the drum is used for containing clothes, and the drum is rotated to beat and wash the clothes; So that the water in the outer drum flows into the drum through the dehydration hole to soak the clothes in the drum, the water in the drum flows out to the outer drum through the dehydration hole, and the moisture on the clothes in the drum is discharged to the outer drum through the dehydration hole when the drum rotates at a high speed. , in order to achieve the purpose of washing clothes.
  • the washing process of the washing machine is to beat and wash the clothes through the rotation of the drum, so that the washing capacity of the washing machine is based on the drum, and the utilization rate of the internal space of the washing machine is low. , it is impossible to expand the washing capacity of the washing machine on the existing basis.
  • the drum after the drum is set as a sealed container, the drum often cannot be raised to a high rotation speed because the eccentricity exceeds a preset range, so that the washing machine cannot run the dehydration program normally.
  • the present invention has been made in view of this.
  • the technical problem to be solved by the present invention is to overcome the deficiencies of the prior art and provide a washing machine control method, so as to realize the purpose of smoothly starting the dehydration program of the non-porous inner tub washing machine.
  • the invention provides a washing machine control method.
  • the free water discharge step is performed after the eccentricity of the drum of the washing machine exceeds a set value to discharge the free water in the drum.
  • the initial stage of the dehydration program is the drum speed increasing process
  • the eccentricity of the drum of the washing machine is detected. After the eccentricity detection value exceeds the set value M1 and the drum speed cannot be increased to the dehydration speed v2, the free water discharge step is performed.
  • the leveling step is performed first; then, the drum speed increasing process is run again until the drum speed is increased to the dehydration speed v2;
  • the leveling step is to control the drum to rotate at a low speed set value v0 for a set time, so that the clothes in the drum are evenly distributed.
  • the drum is controlled to rotate at a rotational speed v1, the centrifugal valve at the drain port of the drum is opened by centrifugal force, and the free water in the drum is discharged from the drain port.
  • the rotation speed of the drum is controlled to increase to the dehydration rotation speed v2, and the water on the clothes in the drum is separated by centrifugal force and discharged through the drain port opened by the centrifugal valve.
  • the drum is controlled to first perform the leveling step, the rotation speed of the drum is reduced, and the clothes in the drum are dropped and distributed; then, the rotation speed of the drum is increased to the dehydration speed v2, and the water on the clothes in the drum is separated by centrifugal force. And it is discharged through the drain port opened by the centrifugal valve.
  • the centrifugal valve of the drum opens the drain; when the rotation speed of the drum is lower than the set value v, the centrifugal valve of the drum closes the drain;
  • the dehydration speed v2 is greater than the set speed v1, and the set speed v1 is greater than or equal to the set value v.
  • washing machine control method includes the following steps:
  • Step S1 execute a dehydration program
  • Step S2 the drum rotation speed increasing process, the drum rotation speed is increased
  • step S3 Detect the eccentricity of the drum, and after the detected value of the eccentricity is greater than the set value M1, step S3 is performed; otherwise, the rotational speed of the drum continues to increase until it reaches the dehydration rotational speed v2, and step S6 is performed;
  • Step S3 add 1 to the accumulated value, and determine whether the accumulated value reaches the set value N; if so, go to step S5; if not, go to step S4;
  • Step S4 the leveling step is performed, the drum is controlled to rotate at a low speed set value v0 for a set time, the clothes in the drum are evenly distributed, and then step S2 is performed;
  • Step S5 start to perform the free water discharge step, the drum rotates at the speed v1, the centrifugal valve is subjected to centrifugal force to open the drain, and the free water in the drum is discharged from the drain;
  • step S7 is performed; otherwise, the drum continues to perform the free water discharge step until the set time t1 is reached, and then the subsequent step S2 is performed;
  • Step S6 the drum continues to rotate at the dehydration speed V2, and the water on the clothes in the drum is separated by centrifugal force and discharged through the drain port opened by the centrifugal valve to complete the dehydration procedure;
  • Step S7 the drum stops rotating, the execution of the dehydration procedure is stopped, and an alarm prompt is issued.
  • the present invention has the following beneficial effects compared with the prior art:
  • the present invention also provides a washing machine, which includes a drum that constitutes a water container when a washing procedure is performed, a drain port is provided on the drum, and a centrifugal valve that opens or closes the drain port under the action of rotating centrifugal force is provided on the drum, It is characterized in that any one of the control methods described above is adopted.
  • the invention has simple structure and remarkable effect, and is suitable for popularization and use.
  • FIG. 1 is a schematic structural diagram of a washing machine in an embodiment of the present invention.
  • FIG. 2 is a flowchart of a method for controlling a washing machine in an embodiment of the present invention.
  • Drum 4. Water outlet; 100, Shell; 101, Drum opening; 102, Drum bottom; 103, Drum side wall; 200, Drum support; 300, Door cover; 400, Drive motor; 500. Centrifugal valve.
  • an embodiment of the present invention introduces a washing machine, which includes: a casing 100 , a drum 1 is arranged in the casing 100 , the axis of the drum 1 extends horizontally or is gradually inclined downward from front to back, and the drum 1
  • the front end is a drum opening 101 with an opening
  • the rear end is a drum bottom 102 which is sealed.
  • the drum side wall 103 connects the drum opening 101 and the drum bottom 102 to form the drum 1; 1
  • the inside constitutes a sealed container with only the front opening provided.
  • the front end of the washing machine casing 100 is provided with a cover that can be opened outwards; an openable and closable door cover 300 is provided at the outlet of the drum drum of the drum, so as to close the drum drum opening 101 after the door cover 300 is closed and open the door cover 300 The purpose of putting clothes into the drum 1 from the drum opening 101.
  • the door cover 300 may be integrally provided with the machine cover, or may be an independent cover structure.
  • the rear end of the drum 1 is installed in the washing machine casing 100 through a drum support member 200.
  • the upper and lower ends of the drum support member 200 are respectively bent toward the front end of the drum 1, and the bent portion extends at least to In the middle of the drum 1, the upper and lower bending parts are respectively connected with the washing machine shell 100 through the shock-absorbing suspension spring and the shock-absorbing support rod, so as to realize the purpose that the drum support 200 can be vibrated and installed in the washing machine shell 100;
  • the center of 102 is arranged coaxially with the motor shaft of the washing machine driving motor 400 to drive the drum 1 to rotate.
  • the drum bottom 102 and the driving motor 400 are respectively disposed on both sides of the drum supporting member 200, the driving motor 400 is fixedly connected to the drum supporting member 200, and the motor shaft of the driving motor 400 passes through the drum supporting member 200 through the bearing and is connected to the drum
  • the bottom 102 is coaxially and fixedly connected, and the motor shaft of the driving motor 400 can rotate relative to the drum support 200, so that the drum 1 and the driving motor 400 are installed on the drum support 200, and the drum 1 can be driven by the driving motor 400 alone.
  • the motor shaft of the driving motor 400 directly constitutes a drum shaft, and the drum shaft is coaxially and fixedly connected to the drum bottom 102 of the drum 1 .
  • the drum support 200 in the embodiment of the present invention can be directly set as a common outer cylinder of a washing machine, and the above-mentioned drum 1 without a normally open dehydration hole is fitted inside the outer cylinder, which can also support the drum and collect drainage. side-by-side effect.
  • the washing machine in the embodiment of the present invention can be any washing machine in the prior art with a door cover closing the drum opening and the drum forming a sealed container, so as to control the drum to rotate at a high speed when the washing machine executes the dehydration program, so as to remove the self-contained drum in the drum.
  • the water flow from the clothes is smoothly discharged out of the drum, so as to achieve the purpose of normally performing the dehydration procedure on the non-porous drum washing machine. Therefore, the washing machine in the embodiment of the present invention is not limited to the structure shown in the drawings. For example, using the existing ordinary washing machine, it is only necessary to set the washing machine drum 1 to have no dehydration holes, and to form a sealed container after the door cover closes the drum opening 101. washing machine.
  • the clothes only come into contact with the washing water in the sealed drum during the washing process, and the washing water between the inner and outer drums is prevented from flowing into the drum to contaminate the clothes.
  • the occurrence of the washing machine greatly improves the washing cleanliness of the washing machine, and avoids the occurrence of incomplete washing of the clothes caused by the washing water between the inner and outer drums.
  • any existing dehydration and drainage structures can be provided on the drum 1.
  • a drainage port 4 is provided on the drum side wall 103, and the drainage port corresponds to
  • a centrifugal valve 500 is installed to open the valve core of the centrifugal valve by centrifugal force when the drum 1 rotates at a high speed, and close the drain port by the braking force of itself and/or the reset device when the drum rotates at a low speed.
  • the centrifugal valve 500 can be any existing structure, for example, a valve plug is installed on the inner wall of the washing machine drum, and the end of the valve plug is hinged with a weight such as a weight to prevent After the rotating speed of the drum reaches the set value v, the counterweight will pry the valve plug to rise under the action of the centrifugal force of the rotating drum to open the water outlet; when the rotating speed of the drum is lower than the set value v, the elastic member and its own gravity will Under the action, the valve plug column correspondingly blocks and closes the drain port.
  • a weight such as a weight to prevent
  • the side wall 103 of the drum can be set as a conical drum or the like that expands the diameter of the drum in the direction of the water outlet, so as to ensure that the water in the drum can converge towards the direction of the water outlet under the action of centrifugal force. Flow and improve drainage smoothness.
  • the embodiment of the present invention introduces a control method applied to the above washing machine, the washing machine can execute a dehydration program; the dehydration program includes a free water discharge step; the free water discharge step is to control the drum to rotate at a speed v1, and the drum The centrifugal valve at the drain is opened by centrifugal force, and the free water in the drum is discharged from the drain.
  • the washing machine executes the dehydration procedure
  • the eccentricity of the drum of the washing machine is detected, and after the eccentricity detection value exceeds the set value M1, the free water discharge step is performed.
  • the free water in the drum is discharged to the outside, so as to reduce the total load in the drum and use the drainage water flow to drive the load in the drum to be evenly distributed. , and then achieve the effect of reducing the eccentricity of the drum and the smooth execution of the dehydration program.
  • the washing machine is provided with a detection device that can detect the eccentricity of the drum in real time.
  • the detection device can be any existing structure, such as a vibration sensor provided on the drum support.
  • the initial stage of the dehydration program is the drum rotation speed increasing process; during the drum rotation speed increasing process, the washing machine increases the drum rotation speed to the dehydration rotation speed v2 in an existing manner such as incremental, or linear or nonlinear.
  • the rotation speed v2 is a preset setting value of the washing machine; and, the dehydration rotation speed v2 may have a plurality of different setting values, when the washing machine executes the dehydration programs of different clothes weights, different clothes materials, and different modes, the corresponding dehydration programs are called and executed. setting value.
  • the eccentricity of the drum of the washing machine is detected when the washing machine executes the dehydration program and is in the process of increasing the rotation speed of the drum. Perform the free water drain procedure.
  • control method of the washing machine is set as follows:
  • the drum eccentricity detection value of the washing machine exceeds the set value M1
  • first perform the leveling step control the drum to rotate at the low speed set value v0 for the set time, and the clothes in the drum are evenly distributed; after that, increase the drum speed again until the dehydration speed v2 .
  • the eccentricity of the drum is detected, so that after the detected value exceeds the set value M1, the process of increasing the speed of the drum is interrupted again, and the leveling step is performed instead.
  • the low speed setting value v0 is the rotation speed of the drum when the washing program is performed.
  • the free water discharge step is started again, so as to ensure that the drum has an eccentricity that cannot be leveled by the change of its own speed when the free water discharge step is executed. It can achieve the effect that the drum can smoothly increase the rotation speed to reach the dehydration rotation speed and the washing machine can smoothly execute the dehydration program.
  • Step S101 During the process of increasing the rotational speed of the drum, the rotational speed of the drum is increased; the eccentricity value of the drum is detected synchronously, and when the detected value of the eccentricity of the drum exceeds the set value M1, step S102 is performed; otherwise, step S105 is performed;
  • Step S102 the accumulated value is increased by 1, and it is judged whether the accumulated value reaches the set value N; if so, go to step S104; if not, go to step S103;
  • Step S103 Execute the leveling step, control the rotation speed of the drum to decrease, rotate at the minimum set value for a set time, and execute step S105;
  • Step S104 the washing machine executes the free water discharge step, controls the drum to rotate at the set speed v1, and the free water in the drum is discharged from the open drain outlet, and then executes step S105;
  • Step S105 whether the drum speed reaches the set value dehydration speed v2; if so, continue to rotate at v2 to start dehydrating the clothes in the drum, and the dewatering water flow is discharged from the drain with the centrifugal valve opened; if not, continue to step S101.
  • the drum when the washing machine performs the free water discharge step, when the eccentric detection value of the drum exceeds the set value M1 and is lower than the set value M2, the drum still rotates at the set rotation speed v1, and the free water in the drum automatically opens. Drain outlet.
  • the eccentricity setting value M1 is lower than the eccentricity setting value M2; preferably, the eccentricity setting value M2 is the limit eccentricity that ensures the normal operation of the drum.
  • the rotation speed of the drum is controlled to increase to the dehydration rotation speed v2, and the water on the clothes in the drum is separated by centrifugal force and discharged through the drain port opened by the centrifugal valve.
  • the centrifugal valve of the drum when the rotation speed of the drum reaches the set value v, the centrifugal valve of the drum opens the drain; when the rotation speed of the drum is lower than the set value v, the centrifugal valve of the drum closes the drain; the set value dehydrates
  • the speed v2 is greater than the set value v1, and the set value v1 is greater than or equal to the set value v.
  • control method of the washing machine specifically includes the following steps:
  • Step S1 execute a dehydration program
  • Step S2 the drum rotation speed increasing process, the drum rotation speed is increased
  • step S3 Detect the eccentricity of the drum, and after the detected value of the eccentricity is greater than the set value M1, step S3 is performed; otherwise, the rotational speed of the drum continues to increase until it reaches the dehydration rotational speed v2, and step S6 is performed;
  • Step S3 add 1 to the accumulated value, and determine whether the accumulated value reaches the set value N; if so, go to step S5; if not, go to step S4;
  • Step S4 the leveling step is performed, the drum is controlled to rotate at a low speed set value v0 for a set time, the clothes in the drum are evenly distributed, and then step S2 is performed;
  • Step S5 start to perform the free water discharge step, the drum rotates at the speed v1, the centrifugal valve is subjected to centrifugal force to open the drain, and the free water in the drum is discharged from the drain;
  • step S7 is performed; otherwise, the drum continues to perform the free water discharge step until the set time t1 is reached, and then the subsequent step S2 is performed;
  • Step S6 the drum continues to rotate at the dehydration speed V2, and the water on the clothes in the drum is separated by centrifugal force and discharged through the drain port opened by the centrifugal valve to complete the dehydration procedure;
  • Step S7 the drum stops rotating, the execution of the dehydration procedure is stopped, and an alarm prompt is issued.
  • step S6 in order to further improve the anti-eccentricity effect of the washing machine drum, after the free water discharge step is performed and before step S6 is performed, the following methods may be used:
  • the drum is controlled to perform the leveling step again, the drum speed is reduced, and the clothes in the drum are dropped and distributed; then, the drum speed is increased again until the dehydration speed v2, the water on the clothes in the drum is separated by centrifugal force, and the water on the clothes in the drum is separated by centrifugal force. Row. Therefore, the drum can be leveled and then the rotational speed can be increased, which further reduces the eccentricity and improves the smoothness of the washing machine's running process.

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Control Of Washing Machine And Dryer (AREA)

Abstract

一种洗衣机控制方法及采用该控制方法的洗衣机，洗衣机执行脱水程序时，洗衣机的滚筒（1）的偏心量超过设定值后执行游离水排放步骤，将滚筒（1）中的游离水排出。通过上述控制方法，使洗衣机的滚筒（1）内游离水外排后、再执行滚筒（1）高速旋转进行衣物脱水，以减小滚筒（1）总重量，达到洗衣机顺畅执行脱水程序、减少能耗的效果；同时，在游离水外排过程中，利用外排水使得滚筒（1）内负载可再次均匀分布，以提升滚筒（1）的平衡性，进一步达到减小滚筒（1）偏心量的效果。

Description

一种洗衣机控制方法及洗衣机 技术领域
本发明属于洗衣机领域的一种采用无孔滚筒、免清洗的洗衣机，具体涉及一种应用于上述免清洗洗衣机的控制方法，特别涉及一种应用于上述免清洗洗衣机的脱水控制方法。
背景技术
现有技术中，滚筒洗衣机一般包括相互套装的滚筒和外筒，外筒密封用于盛水，滚筒用于盛放衣物、经旋转滚筒以对衣物进行摔打洗涤；同时，滚筒上设置脱水孔，以使得外筒中的水经脱水孔流入滚筒以对滚筒中的衣物进行浸泡、滚筒中的水经脱水孔流出至外筒、滚筒中衣物上水分在滚筒高速旋转时经脱水孔外排至外筒，以实现对衣物进行洗涤的目的。
但是，由于滚筒与外筒相互套装，在洗衣机使用过程中内外筒之间容易积存污垢；同时，由于内外筒相互套装，用户无法对滚筒外壁、外筒内壁进行清洁，使洗衣机内部细菌增多，降低了洗衣机的洗衣效率、衣物洗涤后的洁净度。
同时，上述现有洗衣机中，由于滚筒外部套装有外筒，洗衣机的洗涤过程是通过滚筒旋转对衣物进行摔打洗涤，使得洗衣机的洗涤容量是以滚筒为基准，令洗衣机的内部空间使用率较低，无法在现有基础上对洗衣机洗涤容量进行扩展。
因此，设置一种洗衣机，以将内外筒合一，令滚筒设置为密封容器，既能盛水和衣物，又能旋转对衣物进行摔打进行洗涤，就成了研发热点。
而在将滚筒设置为密封容器后，滚筒常常会因偏心量超过预设范围，而无法提升至高转速，使得洗衣机无法正常运行脱水程序。
同时，由于洗衣机的滚筒为无孔的密封容器，在洗衣机执行脱水程序时，滚筒中会留存有大量的、处于自由状态的游离水，使得滚筒的总量较大，不容易提升转速、还需耗费大量的能源。
有鉴于此特提出本发明。
发明内容
本发明要解决的技术问题在于克服现有技术的不足，提供一种洗衣机控制方法，以实现无孔内筒洗衣机顺畅启动脱水程序的目的。
为解决上述技术问题，本发明采用技术方案的基本构思是：
本发明提供了一种洗衣机控制方法，洗衣机执行脱水程序时，洗衣机的滚筒的偏心量超过设定值后执行游离水排放步骤，将滚筒中的游离水排出。
进一步，脱水程序的初始阶段为滚筒转速提升过程；
在滚筒转速提升过程中，对洗衣机的滚筒的偏心量进行检测，在偏心检测值超出设定值M1、滚筒转速无法提升至脱水转速v2后，执行游离水排放步骤。
进一步，在滚筒偏心检测值超出设定值M1后，先执行调平步骤；然后，再次运行滚筒转速提升过程，直至提升滚筒转速至脱水转速v2；
在滚筒连续N次因偏心检测值超出设定值M1而无法将转速提升至脱水转速v2时，再开始执行游离水排放步骤；
优选的，调平步骤为，控制滚筒以低速设定值v0旋转设定时间，滚筒内衣物均匀分布。
进一步，游离水排放步骤为，控制滚筒以转速v1旋转，滚筒排水口处的离心阀受离心力作用而打开，滚筒中的游离水自排水口排出。
进一步，在洗衣机执行游离水排放步骤时，滚筒的偏心检测值超出设定值M1、低于设定值M2时，滚筒依然以设定转速v1继续旋转，滚筒内游离水自打开的排水口排出。
进一步，在执行完游离水排放步骤后，控制滚筒转速提升至脱水转速v2，将滚筒内衣物上的水利用离心力分离、并经离心阀打开的排水口外排。
进一步，在执行完游离水排放步骤后，控制滚筒先执行调平步骤，滚筒转速降低，滚筒内衣物跌落分布；然后，滚筒转速再提升至脱水转速v2，滚筒内衣物上的水利用离心力分离、并经离心阀打开的排水口外排。
进一步，在滚筒转动速度达到设定值v时，滚筒离心阀打开排水口；在滚筒转动速度低于设定值v时，滚筒离心阀闭合排水口；
脱水转速v2大于设定转速v1、设定转速v1大于等于设定值v。
进一步，所述洗衣机控制方法包括如下步骤，
步骤S1、执行脱水程序；
步骤S2、滚筒转速提升过程，滚筒转速增大；
对滚筒偏心量进行检测，偏心量检测值大于设定值M1后，执行步骤S3；否则，滚筒转速继续增大，直至达到脱水转速v2，执行步骤S6；
步骤S3、累计值加1，判断累计值是否达到设定值N；若是，则执行步骤S5；若否，则执行步骤S4；
步骤S4、执行调平步骤，控制滚筒以低速设定值v0旋转设定时间，滚筒内衣物均匀分布，然后执行步骤S2；
步骤S5、开始执行游离水排放步骤，滚筒以转速v1旋转，离心阀受离心力作用而打开排水口，滚筒中游离水自排水口外排；
在此过程中，滚筒的偏心量检测值大于设定值M2后，执行步骤S7；否则，滚筒持续执行游离水排放步骤，直至达到设定时间t1后再执行后续步骤S2；
步骤S6、滚筒以脱水转速V2持续旋转，将滚筒内衣物上的水利用离心力分离、并经离心阀打开的排水口外排，以完成脱水程序；
步骤S7、滚筒停止旋转，中止执行脱水程序，发出报警提示。
采用上述技术方案后，本发明与现有技术相比具有以下有益效果：
通过上述控制方法，使洗衣机的滚筒内游离水外排后、再执行滚筒高速旋转进行衣物脱水，以实现减小滚筒总量，达到洗衣机顺畅执行脱水程序、减少能耗的效果；同时，在游离水外排过程中，利用外排水使得滚筒内负载可再次均匀分布，以提升滚筒的平衡性，进一步达到减小滚筒偏心量的效果。
本发明还提供了一种洗衣机，其包括，在执行洗涤程序时构成盛水容器的滚筒，滚筒上设有排水口，滚筒上设有受旋转离心力作用而打开、或闭合排水口的离心阀，其特征在于，采用上述任一所述的控制方法。
同时，本发明结构简单，效果显著，适宜推广使用。
下面结合附图对本发明的具体实施方式作进一步详细的描述。
附图说明
附图作为本发明的一部分，用来提供对本发明的进一步的理解，本发明的示意性实施例及其说明用于解释本发明，但不构成对本发明的不当限定。显然，下面描述中的附图仅仅是一些实施例，对于本领域普通技术人员来说，在不付出创造性劳动的前提下，还可以根据这些附图获得其他附图。在附图中：
图1是本发明实施例中洗衣机的结构示意图；
图2是本发明实施例中洗衣机控制方法的流程图。
主要元件说明：1、滚筒；4、排水口；100、壳体；101、滚筒筒口；102、滚筒底；103、滚筒侧壁；200、滚筒支撑件；300、门盖；400、驱动电机；500、离心阀。
需要说明的是，这些附图和文字描述并不旨在以任何方式限制本发明的构思范围，而是通过参考特定实施例为本领域技术人员说明本发明的概念。
具体实施方式
为使本发明实施例的目的、技术方案和优点更加清楚，下面将结合本发明实施例中的附图，对实施例中的技术方案进行清楚、完整地描述，以下实施例用于说明本发明，但不用来限制本发明的范围。
在本发明的描述中，需要说明的是，术语“上”、“下”、“前”、“后”、“左”、“右”、“竖直”、“内”、“外”等指示的方位或位置关系为基于附图所示的方位或位置关系，仅是为了便于描述本发明和简化描述，而不是指示或暗示所指的装置或元件必须具有特定的方位、以特定的方位构造和操作，因此不能理解为对本发明的限制。
在本发明的描述中，需要说明的是，除非另有明确的规定和限定，术语“安装”、“相连”、“连接”应做广义理解，例如，可以是固定连接，也可以是可拆卸连接，或一体地连接；可以是机械连接，也可以是电连接；可以是直接相连，也可以通过中间媒介间接相连。对于本领域的普通技术人员而言，可以具体情况理解上述术语在本发明中的具体含义。
如图1所示，本发明实施例中介绍了一种洗衣机，其包括：壳体100，壳体100内设有滚筒1，滚筒1轴线水平延伸或自前向后逐渐向下倾斜设置，滚筒1前端为开口设置的滚筒筒口101、后端为密封设置的滚筒底102，滚筒侧壁103将滚筒筒口101与滚筒底102相连以构成滚筒1；滚筒1筒壁上不设通孔，以使得滚筒1内部构成仅前部开口设置的密封容器。同时，洗衣机壳体100前端安装有可向外打开的机盖；在滚筒的滚筒筒口出设有可开闭的门盖300，以在门盖300闭合后封闭滚筒筒口101、打开门盖300后自滚筒筒口101向滚筒1中投放衣物的目的。所述的门盖300可以与机盖一体设置、也可以为相互独立的盖体结构。
本发明实施例中，滚筒1后端经滚筒支撑件200安装于洗衣机壳体100内，所述的滚筒支撑件200为上下两端分别向滚筒1前端筒口方向弯折，弯折部至少延伸至滚筒1中部，上下弯折部分别经减震吊簧和减震支撑杆与洗衣机壳体100相连接，以实现滚筒支撑件200可震动得安装于洗衣机壳体100内的目的；同时，滚筒底102中心与洗衣机驱动电机400的电机轴同轴设置，以驱动滚筒1旋转，滚筒1和驱动电机400均固定安装于滚筒支撑件200上。优选的，滚筒底102与驱动电机400分别设置与滚筒支撑件200的两侧，驱动电机400于滚筒支撑件200相固定连接，驱动电机400的电机轴经轴承穿过滚筒支撑件200并与滚筒底102同轴固定连接，且驱动电机400的电机轴可相对滚筒支撑件200旋转，以实现滚筒1和驱动电机400安装于滚筒支撑件200上、并令滚筒1可独自在驱动电机400作用下进行旋转对内部衣物进行洗涤的目的。优选的，驱动电机400的电机轴直接构成滚筒轴，滚筒轴与滚筒1的滚筒底102同轴固定连接。
当然，本发明实施例中的滚筒支撑件200可以直接设置为洗衣机的普通外筒，将上述不具有常开脱水孔的滚筒1套装于外筒内部，同样可以实现对滚筒进行支撑、及收集排水并外排的效果。
还有，本发明实施例中的洗衣机可以为现有技术中任一具备门盖闭合滚筒筒口后滚筒构成密封容器的洗衣机，以在洗衣机执行脱水程序时，控制滚筒高速旋转，以将滚筒中自衣物脱离的水流顺利外排出滚筒，进而达到对无孔滚筒洗衣机正常执行脱水程序的目的。因此，本发明实施例中的洗衣机并不局限于 附图中的结构，例如：采用现有普通洗衣机，只需将洗衣机滚筒1设置为没有脱水孔、门盖闭合滚筒筒口101后形成密封容器的洗衣机。
同时，通过将滚筒设置为门盖扣合后、洗衣机进行洗涤时形成密封容器，使得洗涤过程中衣物只与密封滚筒中的洗涤水接触，避免了内外筒之间洗涤水流入滚筒中污染衣物情况的发生，大大提高了洗衣机的洗涤洁净度，避免了内外筒之间被洗涤水污染造成洗衣机清洗衣物不彻底情况的发生。
本发明实施例中为了将洗衣机滚筒1中衣物脱离后水流进行外排，并实现洗衣机工作过程中滚筒1密封盛水进行正常洗涤，进行如下设置：
本发明实施例中，为了实现构成密封容器的滚筒脱水、排水功能，可以在滚筒1上设置现有任一的脱水、排水结构，例如：滚筒侧壁103上设置排水口4，排水口处对应安装有离心阀500，以在滚筒1高速旋转时将离心阀的阀芯受离心力作用而打开、滚筒低速旋转时离心阀的阀芯受自身和/或复位装置的制动力作用而闭合排水口。
本发明实施例中，所述的离心阀500可以为现有的任一结构，例如：在洗衣机滚筒内壁上安装有阀塞柱，阀塞柱的端部铰接有重锤等配重件，以在滚筒转速达到设定值v后，配重件在滚筒转动离心力的作用下撬动阀塞柱上升而打开排水口；而在滚筒转速低于设定值v时，在弹性件和自身重力的作用下阀塞柱对应封堵、闭合排水口。同时，为了进一步提升洗衣机滚筒内的排水顺畅性，可以将滚筒侧壁103设置为向排水口方向扩大筒径的锥形筒等，以保证滚筒中的水可在离心力作用下向排水口方向汇聚流动、提升排水顺畅性。
本发明实施例中介绍了一种应用于上述洗衣机的控制方法，洗衣机可执行脱水程序；所述脱水程序包括游离水排放步骤；所述的游离水排放步骤为，控制滚筒以转速v1旋转，滚筒排水口处的离心阀受离心力作用而打开，滚筒中的游离水自排水口排出。
通过上述控制方法，使洗衣机的滚筒内游离水外排后、再执行滚筒高速旋转进行衣物脱水，以实现减小滚筒总量，达到洗衣机顺畅执行脱水程序、减少能耗的效果；同时，在游离水外排过程中，利用外排水使得滚筒内负载可再次均匀分布，以提升滚筒的平衡性，进一步达到减小滚筒偏心量的效果。
本发明实施例中，在洗衣机执行脱水程序时，对洗衣机的滚筒的偏心量进行检测，在偏心检测值超出设定值M1后，执行游离水排放步骤。通过上述方式，使得滚筒偏心量超过设定范围、无法将滚筒转速升高至设定值后，将滚筒内游离水外排，以缩减滚筒内负载总量、利用排水水流带动筒内负载均布，进而达到缩减滚筒偏心量、脱水程序顺畅执行的效果。
本发明实施例中，洗衣机上设有可对滚筒偏心量进行实时检测的检测装置，所述的检测装置可以为现有的任一结构，例如：设于滚筒支撑件上的振动传感器等等。
本发明实施例中，脱水程序的初始阶段为滚筒转速提升过程；在滚筒转速提升过程中，洗衣机以递增、或线性、非线性等现有方式将滚筒转速提升至脱水转速v2，所述的脱水转速v2为洗衣机预设的设定值；且，所述的脱水转速v2可以具有多个不同的设定值，在洗衣机分别执行不同衣物重量、不同衣物材质、不同模式的脱水程序时调用执行相应的设定值。
本发明实施例中，在洗衣机执行脱水程序、处于滚筒转速提升过程中，对洗衣机的滚筒的偏心量进行检测，在偏心检测值超出设定值M1、滚筒转速无法提升至脱水转速v2后，再执行游离水排放步骤。
本发明实施例中，为了避免误判、简化控制逻辑，对洗衣机控制方法进行如下设置：
在洗衣机的滚筒偏心检测值超出设定值M1后，先执行调平步骤，控制滚筒以低速设定值v0旋转设定时间，滚筒内衣物均匀分布；之后，再次提升滚筒转速，直至脱水转速v2。在每次提升滚筒转速的过程中，均对滚筒的偏心量进行检测，以在检测值超过设定值M1后再次中断滚筒转速提升过程、转而执行调平步骤。优选的，所述的低速设定值v0为滚筒执行洗涤程序时的转动速度。
在滚筒连续N次因偏心检测值超出设定值M1而无法达到脱水转速v2时，再开始执行游离水排放步骤，以保证游离水排放步骤执行时滚筒具有无法利用自身转速改变而调平的偏心量，实现滚筒顺利提升转速达到脱水转速、洗衣机顺畅执行脱水程序的效果。
本发明实施例中，为了实现滚筒连续N次因偏心检测值超出设定值M1而无 法达到脱水转速v2后再执行游离水排放步骤的控制逻辑，具体可采用如下步骤：
步骤S101、在滚筒转速提升过程中，滚筒转速提升；同步检测滚筒偏心值，在滚筒偏心检测值超过设定值M1时，执行步骤S102；否则，执行步骤S105；
步骤S102、累计值加1，判断累计值是否达到设定值N；若是，则执行步骤S104；若否，则执行步骤S103；
步骤S103、执行调平步骤，控制滚筒转速降低，以最小设定值旋转设定时间，执行步骤S105；
步骤S104、洗衣机执行游离水排放步骤，控制滚筒以设定转速v1旋转，滚筒内游离水自打开的排水口排出，执行步骤S105；
步骤S105、滚筒转速是否达到设定值脱水转速v2；若是，则继续以v2旋转，开始对滚筒内衣物脱水，脱水水流自离心阀打开的排水排出；若否，则继续执行步骤S101。
提升，转速提升过程
判断累计值是否达到设定值N；若是，则执行游离水排放步骤、并将累计值清零；若否，则控制滚筒转速降至最小设定值后，再次提升转速。
本发明实施例中，在洗衣机执行游离水排放步骤时，滚筒的偏心检测值超出设定值M1、低于设定值M2时，滚筒依然以设定转速v1旋转，滚筒内游离水自打开的排水口排出。本发明实施例中，偏心量设定值M1低于偏心量设定值M2；优选的，偏心量设定值M2为保证滚筒正常运行时的极限偏心量。
通过将游离水排放步骤中的偏心量设定范围扩大，以强制滚筒旋转，保证滚筒内的游离水可顺畅外排，保证洗衣机脱水程序的正常运行；同时，将设定范围扩大至极限设定值，以防止排放游离水过程中，滚筒偏心过大、导致机器失衡等状况的发生。
本发明实施例中，在执行完游离水排放步骤后，控制滚筒转速增大提升至脱水转速v2，将滚筒内衣物上的水利用离心力分离、并经离心阀打开的排水口外排。
本发明实施例中，在滚筒转动速度达到设定值v时，滚筒离心阀打开排水口；在滚筒转动速度低于设定值v时，滚筒离心阀闭合排水口；所述的设定值 脱水转速v2大于设定值v1、设定值v1大于等于设定值v。
如图2所示，本发明实施例中，洗衣机的控制方法具体包括如下步骤，
步骤S1、执行脱水程序；
步骤S2、滚筒转速提升过程，滚筒转速增大；
对滚筒偏心量进行检测，偏心量检测值大于设定值M1后，执行步骤S3；否则，滚筒转速继续增大，直至达到脱水转速v2，执行步骤S6；
步骤S3、累计值加1，判断累计值是否达到设定值N；若是，则执行步骤S5；若否，则执行步骤S4；
步骤S4、执行调平步骤，控制滚筒以低速设定值v0旋转设定时间，滚筒内衣物均匀分布，然后执行步骤S2；
步骤S5、开始执行游离水排放步骤，滚筒以转速v1旋转，离心阀受离心力作用而打开排水口，滚筒中游离水自排水口外排；
在此过程中，滚筒的偏心量检测值大于设定值M2后，执行步骤S7；否则，滚筒持续执行游离水排放步骤，直至达到设定时间t1后再执行后续步骤S2；
步骤S6、滚筒以脱水转速V2持续旋转，将滚筒内衣物上的水利用离心力分离、并经离心阀打开的排水口外排，以完成脱水程序；
步骤S7、滚筒停止旋转，中止执行脱水程序，发出报警提示。
本发明实施例中，为了进一步提升洗衣机滚筒的防偏心作用效果，可以在执行完游离水排放步骤后、执行步骤S6前，可采用如下方式：
控制滚筒执行再次执行调平步骤，滚筒转速降低，滚筒内衣物跌落分布；然后，滚筒转速再提升，直至脱水转速v2，将滚筒内衣物上的水利用离心力分离、并经离心阀打开的排水口外排。从而，使得滚筒可经调平处理后再提升转速，进一步减小了偏心、提升了洗衣机运行过程的顺畅性。
以上所述仅是本发明的较佳实施例而已，并非对本发明作任何形式上的限制，虽然本发明已以较佳实施例揭露如上，然而并非用以限定本发明，任何熟悉本专利的技术人员在不脱离本发明技术方案范围内，当可利用上述提示的技术内容作出些许更动或修饰为等同变化的等效实施例，但凡是未脱离本发明技 术方案的内容，依据本发明的技术实质对以上实施例所作的任何简单修改、等同变化与修饰，均仍属于本发明方案的范围内。

Claims (10)

  1. 一种洗衣机控制方法，其特征在于：洗衣机执行脱水程序时，洗衣机的滚筒的偏心量超过设定值后执行游离水排放步骤，将滚筒中的游离水排出。
  2. 根据权利要求1所述的一种洗衣机控制方法，其特征在于，脱水程序的初始阶段为滚筒转速提升过程；
    在滚筒转速提升过程中，对洗衣机的滚筒的偏心量进行检测，在偏心检测值超出设定值M1、滚筒转速无法提升至脱水转速v2后，执行游离水排放步骤。
  3. 根据权利要求1或2所述的一种洗衣机控制方法，其特征在于，在滚筒偏心检测值超出设定值M1后，先执行调平步骤；然后，再次运行滚筒转速提升过程，直至提升滚筒转速至脱水转速v2；
    在滚筒连续N次因偏心检测值超出设定值M1而无法将转速提升至脱水转速v2时，再开始执行游离水排放步骤；
    优选的，调平步骤为，控制滚筒以低速设定值v0旋转设定时间，滚筒内衣物均匀分布。
  4. 根据权利要求1至4任一所述的一种洗衣机控制方法，其特征在于，游离水排放步骤为，控制滚筒以转速v1旋转，滚筒排水口处的离心阀受离心力作用而打开，滚筒中的游离水自排水口排出。
  5. 根据权利要求4所述的一种洗衣机控制方法，其特征在于，在洗衣机执行游离水排放步骤时，滚筒的偏心检测值超出设定值M1、低于设定值M2时，滚筒依然以设定转速v1继续旋转，滚筒内游离水自打开的排水口排出。
  6. 根据权利要求1至5任一所述的一种洗衣机控制方法，其特征在于，在执行完游离水排放步骤后，控制滚筒转速提升至脱水转速v2，将滚筒内衣物上的水利用离心力分离、并经离心阀打开的排水口外排。
  7. 根据权利要求6所述的一种洗衣机控制方法，其特征在于，在执行完游离水排放步骤后，控制滚筒先执行调平步骤，滚筒转速降低，滚筒内衣物跌落分布；然后，滚筒转速再提升至脱水转速v2，滚筒内衣物上的水利用离心力分离、并经离心阀打开的排水口外排。
  8. 根据权利要求1至7任一所述的一种洗衣机控制方法，其特征在于，在滚筒转动速度达到设定值v时，滚筒离心阀打开排水口；在滚筒转动速度低于 设定值v时，滚筒离心阀闭合排水口；
    脱水转速v2大于设定转速v1、设定转速v1大于等于设定值v。
  9. 根据权利要求1至8任一所述的一种洗衣机控制方法，其特征在于，包括如下步骤，
    步骤S1、执行脱水程序；
    步骤S2、滚筒转速提升过程，滚筒转速增大；
    对滚筒偏心量进行检测，偏心量检测值大于设定值M1后，执行步骤S3；否则，滚筒转速继续增大，直至达到脱水转速v2，执行步骤S6；
    步骤S3、累计值加1，判断累计值是否达到设定值N；若是，则执行步骤S5；若否，则执行步骤S4；
    步骤S4、执行调平步骤，控制滚筒以低速设定值v0旋转设定时间，滚筒内衣物均匀分布，然后执行步骤S2；
    步骤S5、开始执行游离水排放步骤，滚筒以转速v1旋转，离心阀受离心力作用而打开排水口，滚筒中游离水自排水口外排；
    在此过程中，滚筒的偏心量检测值大于设定值M2后，执行步骤S7；否则，滚筒持续执行游离水排放步骤，直至达到设定时间t1后再执行后续步骤S2；
    步骤S6、滚筒以脱水转速V2持续旋转，将滚筒内衣物上的水利用离心力分离、并经离心阀打开的排水口外排，以完成脱水程序；
    步骤S7、滚筒停止旋转，中止执行脱水程序，发出报警提示。
  10. 一种洗衣机，其包括，在执行洗涤程序时构成盛水容器的滚筒，滚筒上设有排水口，滚筒上设有受旋转离心力作用而打开、或闭合排水口的离心阀，其特征在于，采用上述权利要求1至9任一所述的控制方法。
PCT/CN2021/111390 2020-09-25 2021-08-09 一种洗衣机控制方法及洗衣机 WO2022062728A1 (zh)

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