EP2325366B1 - Washing machine - Google Patents

Washing machine Download PDF

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Publication number
EP2325366B1
EP2325366B1 EP09811249.3A EP09811249A EP2325366B1 EP 2325366 B1 EP2325366 B1 EP 2325366B1 EP 09811249 A EP09811249 A EP 09811249A EP 2325366 B1 EP2325366 B1 EP 2325366B1
Authority
EP
European Patent Office
Prior art keywords
drum
vibration
rotation speed
accommodation tub
frequency component
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Not-in-force
Application number
EP09811249.3A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP2325366A4 (en
EP2325366A1 (en
Inventor
Katsuya Wakita
Ken Gamo
Hiromi Hirota
Hiroko Minayoshi
Hiroyoshi Nomura
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.)
Panasonic Corp
Original Assignee
Panasonic Corp
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 Panasonic Corp filed Critical Panasonic Corp
Publication of EP2325366A1 publication Critical patent/EP2325366A1/en
Publication of EP2325366A4 publication Critical patent/EP2325366A4/en
Application granted granted Critical
Publication of EP2325366B1 publication Critical patent/EP2325366B1/en
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F34/00—Details of control systems for washing machines, washer-dryers or laundry dryers
    • D06F34/14—Arrangements for detecting or measuring specific parameters
    • D06F34/16—Imbalance
    • 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
    • D06F25/00—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 and having further drying means, e.g. using hot air 
    • 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
    • D06F49/00—Domestic spin-dryers or similar spin-dryers not suitable for industrial use
    • D06F49/04—Bowl drive
    • 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

Definitions

  • the present invention relates to a drum type washing machine that includes a rotatable drum inside an elastically supported accommodation tub and washes, rinses, and spins or dries laundry inside the drum.
  • an unbalancing detecting control for a spin cycle or a laundry movement amount detecting control for a laundry cycle is conducted in order to detect and estimate a movement of a drum or a movement of the laundry inside the drum during the laundry cycle.
  • the unbalancing during the spin cycle is controlled or the movement amount of the laundry during the laundry cycle is controlled, so that the washing state is appropriately improved.
  • Patent Document 1 discloses a configuration in which a semiconductor acceleration sensor is attached to an accommodation tub of a drum, and a movement of washing fabrics (laundry) is estimated on the basis of a variation amount 61 in the output of the acceleration sensor and a variation amount 62 in the torque current component of a motor as shown in Fig. 6 .
  • control unit 63 changes a rotation speed of the motor that rotates the drum.
  • a current value representing the torque component of the motor For example, when the amount of water is large and the weight of fabrics formed of chemical fibers is light during the laundry cycle, a correlation may not be present between the motor torque and the agitating movement amount of the fabrics using baffles provided inside the drum. For this reason, it is difficult to precisely estimate the movement of the washing fabrics on the basis of the torque current component of the motor.
  • Patent document 2 relates to a washing machine which reduces vibrations at dewatering and noises due to the vibrations.
  • the washing machine includes: a receiving cylinder supported in a case body; a rotary drum rotatably provided in the receiving cylinder; a motor for rotating and operating the rotary drum; a control means for controlling drive of the motor; a supporting means for supporting the receiving cylinder; a vibration sensor for detecting vibration; and a vibration control means for inputting an output signal of vibration detected by the vibration sensor to the control means as a motor control signal.
  • the invention is defined by the subject-matter of the independent claims.
  • the dependent claims are directed to advantageous embodiments.
  • a washing machine having an excellent cleaning performance and rotating a drum at a rotation speed optimal for a washing operation by highly precisely detecting a washing state.
  • the washing machine includes: a drum for rotating laundry accommodated therein; an accommodation tub for accommodating the drum; elastic suspending portions for allowing an accommodation tub to be suspended from the upper side of a cabinet; an antivibration damper for supporting the accommodation tub from the lower side of the cabinet; and a motor for rotating the drum.
  • the washing machine of the invention further includes: a vibration detecting unit for detecting a vibration of the accommodation tub; a frequency component calculating unit for calculating a frequency component from a vibration detected by the vibration detecting unit; and a rotation speed control unit for changing a rotation speed of the motor in accordance with the magnitude of the frequency component calculated by the frequency component calculating unit.
  • the elastic suspending portions are located at the symmetrical positions with respect to a rotation axis of the drum so as to allow the accommodation tub to be suspended therefrom, and the vibration detecting unit detects a vibration of the accommodation tub in the front/rear direction. Further, the rotation speed control unit changes a rotation speed of the motor in accordance with the magnitude of the frequency component calculated from the vibration in the front/rear direction.
  • the washing machine includes: a drum for rotating laundry accommodated therein; an accommodation tub for accommodating the drum; elastic suspending portions for allowing an accommodation tub to be suspended from the upper side of a cabinet; an antivibration damper for supporting the accommodation tub from the lower side of the cabinet; and a motor for rotating the drum.
  • the washing machine of the invention further includes: a vibration detecting unit for detecting a vibration of the accommodation tub; a frequency component calculating unit for calculating a frequency component from a vibration detected by the vibration detecting unit; and a rotation speed control unit for changes a rotation speed of the motor in accordance with the magnitude of the frequency component calculated by the frequency component calculating unit.
  • the elastic suspending portion is located at a position on a rotation axis of the drum so as to allow the accommodation tub to be suspended therefrom, and the vibration detecting unit detects a vibration of the accommodation tub in the left/right direction. Further, the rotation speed control unit changes a rotation speed of the motor in accordance with the magnitude of the frequency component calculated from the vibration in the left/right direction.
  • the washing machine determines the direction of the vibration component caused by the vibration of the accommodation tub with the movement of laundry depending on a difference in the support position of the accommodation tub with respect to the cabinet. That is, the direction of the vibration component used for the calculation of the calculation value in the frequency component calculating unit is determined. Accordingly, the cleaning performance may be improved by highly precisely detecting the movement of laundry inside the drum and controlling the rotation of the drum so as to be appropriate for the washing of fabrics.
  • FIG. 1 is a schematic configuration diagram illustrating a side surface of a washing machine of the first embodiment.
  • the washing machine of the embodiment has a configuration in which accommodation tub 2 having rotatable drum 1 is supported by cabinet 5 through elastic suspending portion 3 and antivibration damper 4.
  • Motor 6 is fixed to the bottom portion of accommodation tub 2, and rotates drum 1 at a predetermined rotation speed through belt 7.
  • Washing fabrics 9 as laundry input into drum 1 through fabric input/extraction opening 8 provided at the front surface of the washing machine are lifted upward by baffles 10 provided inside drum 1 in accordance with the rotation of drum 1, and are dropped from the top portion of the drum to the bottom portion thereof.
  • a vibration of accommodation tub 2 generated by the movement of washing fabrics 9 is detected by vibration detecting unit 11, and the detection result is transmitted to frequency component calculating unit 12. Further, the value calculated by frequency component calculating unit 12 is transmitted to rotation speed control unit 13, and motor 6 is controlled by rotation speed control unit 13 so as to rotate at a rotation speed at which appropriate striking washing may be performed.
  • the support position of antivibration damper 4 is located on the perpendicular line or the substantially perpendicular line in relation to the central point while drum 1 and accommodation tub 2 are combined with each other.
  • vibration detecting unit 11 is configured as an acceleration sensor, and any one of a semiconductor acceleration sensor, a piezoelectric acceleration sensor, and the like may be used as the acceleration sensor.
  • Fig. 2 is a schematic plan view illustrating an example of a support structure of the embodiment.
  • central point 14 indicates the center when drum 1 and accommodation tub 2 are combined with each other.
  • Accommodation tub 2 is supported at two support points 15 by elastic suspending portions 3.
  • Central axis 16 indicates the rotation axis of drum 1.
  • accommodation tub 2 is suspended at two positions symmetrical to each other with respect to central axis 16 of drum 1 by elastic suspending portions 3. More specifically, elastic suspending portions 3 allow accommodation tub 2 to be suspended from symmetrical positions with respect to a plane including central point 14 while drum 1 and accommodation tub 2 are combined with each other and extending in the perpendicular direction so as to include central axis 16 of drum 1.
  • vibration detecting unit 11 detects at least one vibration component in the up/down direction, the left/right direction, and the front/rear direction of accommodation tub 2.
  • the acceleration in the detected direction is transmitted to frequency component calculating unit 12 as a signal value, and is used as an output to rotation speed control unit 13.
  • Frequency component calculating unit 12 calculates the magnitude (Fourier amplitude spectrum and power spectrum) of the frequency component by performing discrete Fourier transform (DFT) or fast Fourier transform (FFT) on the transmitted acceleration value.
  • the rotation speed of the drum is increased or decreased by rotation speed control unit 13 on the basis of the magnitude of the specific frequency component or the magnitude of the sum of the frequency components calculated in frequency component calculating unit 12, so that the cleaning performance of cleaning the laundry may be improved.
  • the vibration having a specific period and generated from accommodation tub 2 when the movement of washing fabrics 9 is in the striking washing state which effectively separates dirt therefrom during the washing operation is alleviated by elastic suspending portions 3 in the left/right direction, and is alleviated by antivibration damper 4 in the up/down direction.
  • the frequency component may not be accurately detected.
  • the vibration in the front/rear direction reflects the movement of washing fabrics 9 moving inside drum 1 while having the least alleviation. Therefore, in the embodiment, it is sufficient to provide the acceleration sensor of vibration detecting unit 11 capable of detecting the vibration in the front/rear direction.
  • a configuration may be adopted in which the vibrations in three axes (the front/rear direction, the left/right direction, and the up/down direction) may be detected, and only the vibration in the front/rear direction is used.
  • Figs. 3A to 3C illustrate an analysis result in which the vibration of accommodation tub 2 is divided by the component in each direction while elastic suspending portions 3 connecting the upper portions of accommodation tub 2 and cabinet 5 are supported at the symmetrical positions with respect to central point 14 on central axis 16.
  • the cleaning performance was evaluated on the assumption that the rotation speed of drum 1 was set to 45 rpm and the weight of washing fabrics 9 was set to 2.0 kg.
  • Fig. 3A is a graph illustrating the analysis result of the component in the front/rear direction obtained from the vibration of accommodation tub 2
  • Fig. 3B is a graph illustrating the analysis result of the component in the left/right direction
  • Fig. 3C is a graph illustrating the analysis result of the component in the up/down direction.
  • the frequency peak as an index controlling the rotation speed to improve the cleaning performance will be described by referring to Fig. 4 .
  • the circle of Fig. 4 indicates an opening of drum 1, the bottom surface is set to 0°, and the top portion is set to 180°. Regarding 90° and 270°, the directions may be switched to each other since the drum also rotates in the reverse direction.
  • the striking washing (locus b) may be optimally used which lifts washing fabrics 9 upward by baffles 10 (refer to Fig. 1 ), and drops the washing fabrics from the top portion of the drum.
  • the case where washing fabrics 9 move while being adhered to drum 1 (locus c) or washing fabrics 9 rotate in a rolling manner at the bottom portion of drum 1 (locus a) is not appropriate for improving the cleaning performance.
  • the cleaning performance may be optimally improved when the laundry is dropped from the position between 90° and 180° in Fig. 4 so as to collide with the surface of drum 1 at the bottom portion.
  • the frequency component corresponding to the rotation speed different from the rotation speed of drum 1 is detected, and the rotation speed of drum 1 is controlled in accordance with the magnitude thereof.
  • a large variation of the frequency component of the rotation speed is detected in the range between the rotation speed obtained by multiplying the rotation speed of drum 1 by the number obtained by adding one to the number of baffles 10 and the rotation speed obtained by multiplying the rotation speed of drum 1 by the number obtained by subtracting one from the number of baffles 10.
  • the fabric striking washing is conducted in the condition that the frequency is 1.5 Hz to 3.0 Hz.
  • the frequency is less than 1.5 Hz, washing fabrics 9 rotate in a rolling manner at the bottom portion.
  • the frequency is more than 3.0 Hz, washing fabrics 9 are adhered to drum 1.
  • the total amount of the peak value for each specific frequency interval (for example, 0.15 Hz) in each frequency range was calculated as the ratio with respect to the total amount of the peak value for each specific frequency interval (for example, 0.15 Hz in the same manner as above) in the entire frequency range.
  • the vibration direction was the front/rear direction
  • the striking washing state was 48%
  • the rolling state was 16%
  • the adhered state was 36%
  • the vibration direction was the left/right direction
  • the striking washing state was 35%
  • the rolling state was 33%
  • the adhered state was 32%.
  • the vibration direction was the up/down direction
  • the striking washing state was 36%
  • the rolling state was 39%
  • the adhered state was 25%.
  • the vibration component in the front/rear direction may most largely reflect the striking washing state, and be apparently distinguished from the signals in the other ranges. Accordingly, even when the value changes with time, it may be determined that the vibration component in the front/rear direction corresponds to the movement change of the fabrics inside the drum.
  • the rotation speed of drum 1 of the embodiment it is controlled as above so that the amplitude spectrum of the frequency component caused by the striking washing becomes larger.
  • the frequency range larger than 3.0 Hz the frequency range larger than 3.0 Hz
  • the frequency component range for example, 1.5 Hz to 3.0 Hz when the rotation speed of the drum is 45 rpm
  • the rotation speed of the drum is fast, and washing fabrics 9 rotate while being adhered to the wall surface of drum 1 without being dropped from the top portion of drum 1. Accordingly, it is predicted that the frequency of the vibration applied to drum 1 is small. For this reason, the rotation speed of drum 1 is controlled to become slower so that washing fabrics 9 are dropped from the wall surface of drum 1.
  • the washing machine of the embodiment includes: drum 1 for rotating laundry accommodated therein; accommodation tub 2 for accommodating drum 1; elastic suspending portions 3 for allowing accommodation tub 2 to be suspended from the upper side of cabinet 5; antivibration damper 4 for supporting accommodation tub 2 from the lower side of cabinet 5; motor 6 for rotating drum 1; vibration detecting unit 11 for detecting a vibration of accommodation tub 2; frequency component calculating unit 12 for calculating a frequency component from a vibration detected by vibration detecting unit 11; and rotation speed control unit 13 for changing a rotation speed of motor 6 in accordance with the magnitude of the frequency component calculated by frequency component calculating unit 12, wherein elastic suspending portions 3 are located at the symmetrical positions with respect to rotation axis 16 of drum 1 so as to allow accommodation tub 2 to be suspended therefrom, wherein vibration detecting unit 11 detects a vibration of accommodation tub 2 in the front/rear direction, and wherein rotation speed control unit 13 changes a rotation speed of motor 6 in accordance with the magnitude of the frequency component calculated from the vibration in the front/rear direction.
  • the fabrics are rotated in accordance with the rotation of drum 1, and the fabrics are lifted upward and dropped from the upper position.
  • a vibration is generated when the fabrics collide with the lower position of the drum.
  • Elastic suspending portions 3 are located at the symmetrical positions with respect to rotation axis 16 of accommodation tub 2, and allow accommodation tub 2 to be suspended therefrom.
  • the movement of the accommodation tub in the left/right direction is alleviated by the elastic force of elastic suspending portions 3, and becomes a vibration not involved with the movement of the fabrics.
  • the movement of accommodation tub 2 in the up/down direction is also alleviated by an elastic force or a damping force of antivibration damper 4 in the same manner.
  • the vibration of accommodation tub 2 in the front/rear direction may be sufficiently detected without being alleviated by elastic suspending portions 3 or antivibration damper 4.
  • the vibration of accommodation tub 2 moving along with the movement of the fabrics inside drum 1 may be highly precisely detected. Therefore, the washing machine may be obtained which has an excellent cleaning performance and maintains the optimal striking washing state during a laundry cycle by controlling the rotation speed when the optimal striking washing is not sufficiently performed during the laundry cycle or the fabrics are rotated while being adhered to the drum.
  • FIG. 5 is a schematic plan view illustrating a support structure of the second embodiment of the invention.
  • the same reference numeral will be given to the same component as that of the first embodiment, and the description thereof will not be repeated.
  • the embodiment has a configuration in which elastic suspending portion 3 connecting the upper portions of accommodation tub 2 and cabinet 5 is supported at support point 15 on central axis 16 or substantially central axis 16 including central point 14 as shown in Fig. 5 .
  • the elastic suspending portion is maintained in a suspended state with a balance together with antivibration damper 4 supporting the lower portion of accommodation tub 2. For this reason, a periodical vibration is generated in accordance with the movement of washing fabrics 9 inside drum 1.
  • the other configurations of the washing machine are the same as those of the first embodiment.
  • vibration detecting unit 11 detects at least one vibration component in the up/down direction, the left/right direction, and the front/rear direction of accommodation tub 2.
  • the acceleration in the detected direction is transmitted to frequency component calculating unit 12 as a signal value, and is used as an output to rotation speed control unit 13.
  • Frequency component calculating unit 12 calculates the magnitude (Fourier amplitude spectrum and power spectrum) of the frequency component by performing discrete Fourier transform (DFT) or fast Fourier transform (FFT) on the transmitted acceleration value.
  • DFT discrete Fourier transform
  • FFT fast Fourier transform
  • elastic suspending portion 3 allows accommodation tub 2 to be suspended from a position on rotation axis 16 of drum 1 as shown in Fig. 5 . More specifically, elastic suspending portion 3 allows accommodation tub 2 to be suspended from a position on a plane extending in the perpendicular direction so as to include rotation axis 16 of drum 1.
  • the number of the support positions of elastic suspending portion 3 may be one as shown in Fig. 5 or may be two positions in the front/rear direction on the plane. The number of the support positions is not particularly limited.
  • the vibration having a specific period and generated from accommodation tub 2 when the movement of washing fabrics 9 is in the striking washing state which effectively separates dirt therefrom during the washing operation is alleviated by elastic suspending portions 3 in the front/rear direction, and is alleviated by antivibration damper 4 in the up/down direction.
  • the vibration in the left/right direction is reflected without the alleviation of the movement of washing fabrics 9 moving inside drum 1. Therefore, in the embodiment, it is sufficient to provide the acceleration sensor of vibration detecting unit 11 capable of detecting the vibration in the left/right direction.
  • a configuration may be adopted in which the vibrations in three axes (the front/rear direction, the left/right direction, and the up/down direction) may be detected, and only the vibration in the left/right direction is used.
  • the cleaning performance may be improved by controlling the rotation speed of the drum in the same manner as the first embodiment on the basis of the vibration component in the left/right direction of accommodation tub 2.
  • the washing machine of the embodiment includes: drum 1 for rotating laundry accommodated therein; accommodation tub 2 for accommodating drum 1; elastic suspending portion 3 for allowing accommodation tub 2 to be suspended from the upper side of cabinet 5; antivibration damper 4 for supporting accommodation tub 2 from the lower side of cabinet 5; motor 6 for rotating drum 1; vibration detecting unit 11 for detecting a vibration of accommodation tub 2; frequency component calculating unit 12 for calculating a frequency component from a vibration detected by vibration detecting unit 11; and rotation speed control unit 13 for changing a rotation speed of motor 6 in accordance with the magnitude of the frequency component calculated by frequency component calculating unit 12, wherein elastic suspending portion 3 is located at a position on rotation axis 16 of drum 1 so as to allow accommodation tub 2 to be suspended therefrom, wherein vibration detecting unit 11 detects a vibration of accommodation tub 2 in the left/right direction, and wherein rotation speed control unit 13 changes a rotation speed of motor 6 in accordance with the magnitude of the frequency component calculated from the vibration in the left/right direction.
  • the fabrics are rotated in accordance with the rotation of drum 1, and the fabrics are lifted upward and dropped from the upper position.
  • a vibration is generated when the fabrics collide with the lower position of drum 1.
  • Elastic suspending portion 3 is located at the position on rotation axis 16 of accommodation tub 2, and allows accommodation tub 2 to be suspended therefrom.
  • the movement of accommodation tub 2 in the front/rear direction is alleviated by the elastic force of elastic suspending portion 3, and becomes a vibration not involved with the movement of the fabrics.
  • the movement of accommodation tub 2 in the up/down direction is also alleviated by an elastic force or a damping force of antivibration damper 4 in the same manner.
  • the vibration of accommodation tub 2 in the left/right direction may be sufficiently detected without being alleviated by elastic suspending portion 3 or antivibration damper 4.
  • the vibration of accommodation tub 2 moving along with the movement of the fabrics inside drum 1 may be highly precisely detected. Therefore, the washing machine may be obtained which has an excellent cleaning performance and maintains the optimal striking washing state during a laundry cycle by controlling the rotation speed when the optimal striking washing is not sufficiently performed during the laundry cycle or the fabrics are rotated while being adhered to drum 1.
  • the washing machine of the invention determines the direction of the vibration component caused by the vibration of the accommodation tub with the movement of the laundry depending on a difference in the support position of the accommodation tub with respect to the cabinet. That is, the direction of the vibration component used for the calculation of the calculation value in the frequency component calculating unit is determined. Accordingly, the cleaning performance may be improved by highly precisely detecting the movement of laundry inside the drum and controlling the rotation of the drum so as to be appropriate for the washing of fabrics.
  • the washing machine of the invention may improve the cleaning performance by controlling the rotation speed of the drum to be optimal for the washing state of the fabrics.
  • the washing machine may be widely applied to not only a home washing machine, but also a professional washing machine or a drying machine.

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Control Of Washing Machine And Dryer (AREA)
EP09811249.3A 2008-09-02 2009-08-28 Washing machine Not-in-force EP2325366B1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2008224415 2008-09-02
JP2009140783A JP5446489B2 (ja) 2008-09-02 2009-06-12 洗濯機
PCT/JP2009/004193 WO2010026719A1 (ja) 2008-09-02 2009-08-28 洗濯機

Publications (3)

Publication Number Publication Date
EP2325366A1 EP2325366A1 (en) 2011-05-25
EP2325366A4 EP2325366A4 (en) 2012-03-14
EP2325366B1 true EP2325366B1 (en) 2016-04-13

Family

ID=41796905

Family Applications (1)

Application Number Title Priority Date Filing Date
EP09811249.3A Not-in-force EP2325366B1 (en) 2008-09-02 2009-08-28 Washing machine

Country Status (6)

Country Link
EP (1) EP2325366B1 (ko)
JP (1) JP5446489B2 (ko)
KR (1) KR101257174B1 (ko)
CN (1) CN102144061B (ko)
TW (1) TW201020363A (ko)
WO (1) WO2010026719A1 (ko)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103852155A (zh) * 2014-02-21 2014-06-11 合肥荣事达三洋电器股份有限公司 一种用于双滚筒洗衣机脱水阶段振动噪音的检测装置及检测方法
CN108360212B (zh) * 2018-02-01 2023-11-28 惠而浦（中国）股份有限公司 一种通过加速度传感器判断洗涤效果的方法
CN109372923A (zh) * 2018-11-14 2019-02-22 珠海格力电器股份有限公司 减震支撑块、车辆
CN111691122B (zh) * 2020-05-30 2022-12-27 广东蓝水花智能电子有限公司 一种洗衣振动控制方法
KR20230126033A (ko) * 2022-02-22 2023-08-29 엘지전자 주식회사 의류처리장치 및 그 제어방법

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Publication number Priority date Publication date Assignee Title
JP3173079B2 (ja) * 1991-12-02 2001-06-04 松下電器産業株式会社 ドラム式洗濯機
JP3435721B2 (ja) * 1993-03-09 2003-08-11 松下電器産業株式会社 ドラム式洗濯機の制御方法
MY115384A (en) * 1994-12-06 2003-05-31 Sharp Kk Drum type washing machine and drier
JP3442576B2 (ja) * 1996-06-25 2003-09-02 シャープ株式会社 ドラム式回転処理装置
US6477867B1 (en) * 1998-12-23 2002-11-12 Fisher & Paykel Limited Laundry appliance
JP2006034755A (ja) * 2004-07-29 2006-02-09 Matsushita Electric Ind Co Ltd ドラム式洗濯機
JP2006346270A (ja) * 2005-06-17 2006-12-28 Toshiba Corp 洗濯機
JP4682881B2 (ja) * 2006-03-08 2011-05-11 パナソニック株式会社 洗濯機
JP4867631B2 (ja) * 2006-12-08 2012-02-01 パナソニック株式会社 洗濯機
JP4577373B2 (ja) * 2008-02-18 2010-11-10 パナソニック株式会社 ドラム式洗濯機

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Publication number Publication date
WO2010026719A1 (ja) 2010-03-11
EP2325366A4 (en) 2012-03-14
KR101257174B1 (ko) 2013-04-22
JP2010082424A (ja) 2010-04-15
EP2325366A1 (en) 2011-05-25
KR20110046581A (ko) 2011-05-04
TW201020363A (en) 2010-06-01
JP5446489B2 (ja) 2014-03-19
CN102144061B (zh) 2013-02-27
CN102144061A (zh) 2011-08-03

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