EP1568813A1 - Machine à laver et contrôle pour celle-ci - Google Patents

Machine à laver et contrôle pour celle-ci Download PDF

Info

Publication number
EP1568813A1
EP1568813A1 EP04257173A EP04257173A EP1568813A1 EP 1568813 A1 EP1568813 A1 EP 1568813A1 EP 04257173 A EP04257173 A EP 04257173A EP 04257173 A EP04257173 A EP 04257173A EP 1568813 A1 EP1568813 A1 EP 1568813A1
Authority
EP
European Patent Office
Prior art keywords
rotation speed
drum
resonance
control unit
washing machine
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.)
Granted
Application number
EP04257173A
Other languages
German (de)
English (en)
Other versions
EP1568813B1 (fr
Inventor
Kweon Son
Yang Hwan No
Jung Hoon Ducksan 1-cha APT Kang
Hyo Sik Choi
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.)
LG Electronics Inc
Original Assignee
LG Electronics Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from KR1020040013269A external-priority patent/KR100662332B1/ko
Priority claimed from KR1020040013268A external-priority patent/KR100672567B1/ko
Application filed by LG Electronics Inc filed Critical LG Electronics Inc
Publication of EP1568813A1 publication Critical patent/EP1568813A1/fr
Application granted granted Critical
Publication of EP1568813B1 publication Critical patent/EP1568813B1/fr
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

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
    • 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
    • D06F2101/00—User input for the control of domestic laundry washing machines, washer-dryers or laundry dryers
    • D06F2101/02—Characteristics of laundry or load
    • D06F2101/06—Type or material
    • 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
    • D06F2101/00—User input for the control of domestic laundry washing machines, washer-dryers or laundry dryers
    • D06F2101/10—Spin speed
    • 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
    • D06F2101/00—User input for the control of domestic laundry washing machines, washer-dryers or laundry dryers
    • D06F2101/20—Operation modes, e.g. delicate laundry washing programs, service modes or refreshment cycles
    • 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
    • D06F2103/24—Spin speed; Drum movements
    • 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—Unbalance; 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
    • D06F2105/58—Indications or alarms to the control system or to the user
    • 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
    • D06F2105/58—Indications or alarms to the control system or to the user
    • D06F2105/60—Audible signals
    • 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
    • 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
    • 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

Definitions

  • the present invention relates to washing machines and methods for controlling the same. More particularly the invention relates to a method and device for preventing resonance from occurring during spinning of a washing machine.
  • a washing machine washes laundry by the softening action of detergent, and friction of the laundry with water circulation caused by rotation of a pulsator or drum.
  • drum type washing machines has increased, which can reduce an entire height compared to a pulsator type washing machine, and prevent wrinkles from forming.
  • FIG 1 illustrates a section of a prior art drum type washing machine.
  • the prior art drum type washing machine is provided with a tub 3 inside of a cabinet 5 which forms an outer appearance of the drum type washing machine, and a drum 9 rotatably mounted on an inside of the tub 3.
  • the cabinet 5 has a door 1 on a front for introduction of laundry, with a gasket 2 between the door 1 and the tub 3.
  • the tub 3 has springs 4 each with one end secured to an upper outside circumference thereof and the other end secured to the cabinet 5, and a friction damper 10 thereunder for damping vibration.
  • the motor 6 is provided with a stator 7 and a rotor 8, wherein the stator 7 is mounted to the rear surface of the tub 3, and the rotor 8 is fixed to the rotation shaft 13. Therefore, when the rotor 8 rotates, the drum 9 connected to the rotor 8 rotates at the same time.
  • a sensor (not shown) at one side of the motor 6 for detecting a rotation speed of the rotor 8, and on an upper portion of a front surface of the cabinet 5, there is a control panel having various buttons for controlling operation of the washing machine.
  • the rotation speed of the motor 6 is increased gradually until the rotation speed reaches a preset speed when the preset speed is maintained for a preset time period.
  • the rotation speed may vary with the extent of eccentricity of the laundry. That is, if the eccentricity of the laundry is great, the rotation speed of the drum 9 drops, or the rotation shaft 13 suffers damage. Therefore, it is required to measure the eccentricity before the spinning of the washing machine starts.
  • the present invention is directed to a washing machine, and a method for controlling the same that substantially obviates one or more problems due to limitations and disadvantages of the prior art.
  • a washing machine for preventing resonance from occurring during spinning of the washing machine, and a method for controlling the same.
  • a method for controlling a washing machine having a drum of which rotation speed is adjustable includes a first step for rotating the drum at a first rotation speed set at control unit, a second step for detecting whether resonance occurs or not at the drum rotating at the first rotation speed, and a third step for changing the rotation speed of the drum if the resonance is detected at the drum.
  • the third step includes the step of storing the changed rotation speed in the control unit.
  • the drum is rotated at the changed rotation speed when the washing machine is put into operation again after the washing machine is stopped.
  • the third step may further include the step of measuring eccentricity of laundry held in the drum rotating at the changed rotation speed.
  • the step of decreasing the rotation speed of the drum again after increasing the rotation speed of the drum is repeated, if the eccentricity is greater than a preset value.
  • the drum may be rotated in regular/reverse directions alternately for a plurality of times, if the eccentricity exceeds a preset value.
  • the third step may further include the steps of rotating the drum at the set second rotation speed for extracting water from the laundry, detecting whether the resonance occurs at the drum rotating at the second rotation speed or not, changing the rotation speed of the drum, if the resonance is detected at the drum, and storing the changed rotation speed in the control unit.
  • the method may further include the step of measuring the eccentricity of the laundry held in the drum, if no resonance occurs in the second step.
  • the step of decreasing the rotation speed of the drum again after increasing the rotation speed of the drum is repeated, if the eccentricity is greater than a preset value.
  • the drum is rotated in regular/reverse directions alternately for a plurality of times, if the eccentricity exceeds a preset value.
  • the method may further include the steps of rotating the drum at the set second rotation speed for extracting water from the laundry, detecting whether the resonance occurs at the drum rotating at the second rotation speed or not, changing the rotation speed of the drum, if the resonance is detected at the drum, and storing the changed rotation speed in the control unit.
  • the rotation speed of the drum may increase in the third step.
  • the rotation speed of the drum may decrease in the third step.
  • the rotation speed of the drum may change by predetermined magnitudes each greater than 50rpm in the third step.
  • the resonance of the drum may be detected by a resonance detecting device automatically in the second step.
  • the third step may be performed automatically by the control unit which receives a signal from the resonance detecting device.
  • the second step may include the step of sounding alarm through a speaker if the resonance of the drum is detected.
  • the steps are performed in a state a test mode is selected.
  • a method for controlling a washing machine having a drum of which rotation speed is adjustable for extracting water from laundry includes a first step for rotating the drum at a second rotation speed set at a control unit, a second step for increasing the rotation speed from the second rotation speed by predetermined magnitudes of rpm in succession, and whether resonance occurs or not at every rotation speed section is detected, a third step for changing the rotation speed of the drum when resonance of the drum is detected, and a fourth step for storing the changed rotation speed in the control unit.
  • the first step may include the steps of selecting one of course relevant to a kind of laundry, and rotating the drum at the second rotation speed for the selected course.
  • the rotation speed of the drum may increase in the third step.
  • the rotation speed of the drum may decrease in the third step.
  • the rotation speed of the drum may change by predetermined magnitudes each greater than 50rpm in the third step.
  • the steps are performed in a state a test mode is selected.
  • the drum may be rotated at the changed rotation speed when the washing machine is put into operation again after the test mode is finished.
  • the fourth step may include the step of sounding an alarm from a speaker when the changed rotation speed is stored.
  • the third step is performed automatically by the control unit having the signal received from a resonance detecting device.
  • the second step may include the step of automatic detection of resonance occurrence at the drum by the resonance detecting device.
  • the second step may further include the step of storing a preset maximum rotation speed in the control unit in a case no resonance occurs until the drum rotates up to the preset maximum speed.
  • the second step may further include the step of sounding an alarm from a speaker if the resonance of the drum is detected.
  • a washing machine includes a motor for generating rotating force, a drum for being rotated upon receiving driving force from the motor, a sensor for sensing rotation speed of the drum, a vibration detecting device for transmitting a signal if vibration greater than a preset value is detected at the drum, and a control unit for adjusting the rotation speed of the motor to prevent the resonance of the drum from occurring upon reception of the signal.
  • the washing machine may further include a rotary key electrically connected to the control unit for a user to turn to change the rotation speed of the drum.
  • the washing machine may further include a selection button connected to the control unit for selecting a course for a kind of laundry.
  • the washing machine may further include a storage button connected to the control unit for storing an adjusted rotation speed.
  • the washing machine may further include a test mode button connected to the control unit for performing a test mode to search a rotation speed at which the resonance of the drum occurs.
  • the washing machine may further include a speaker connected to the control unit for sounding an alarm when a working rotation speed is stored.
  • the washing machine may further include a display for displaying a rotation speed of the drum sensed at the sensor.
  • washing machine or method for controlling the same as described herein, wherein the washing machine is a pulsator type.
  • FIG 2A illustrates a perspective view of a washing machine, having a control panel 100 on a front.
  • the control panel 100 includes various buttons, a rotary key 200, and a display 300.
  • the rotary keys 200 and buttons are connected to a control unit 103. As the user rotates the rotary key 200, rotation speeds of the motor and the drum are adjusted.
  • the buttons include a selection button 101, and a storage button 102.
  • the selection button 101 is provided for selecting an operation course at various speeds depending on the kind of laundry, and the storage button 102 is provided to store the adjusted speed in the control unit.
  • a test mode button 110 is provided additionally, for selecting a test mode in which the rotation speed is set separately to avoid the resonance of the drum.
  • the spinning step of the washing machine additionally includes an eccentricity detecting step. That is, in the spinning step, the eccentricity of the laundry and a foam quantity are detected. It is preferable that the detection of the eccentricity is performed at a rotation speed in the vicinity of 108 rpm at which the laundry starts to be in close contact with an inside surface of the drum.
  • the eccentricity is detected by detecting variation of the rotation speed.
  • the eccentricity is small when the rotation speed of the drum is uniform, and the eccentricity is great if the rotation speed of the drum varies sharply and periodically.
  • the eccentricity is detected, and corrected before performing the spinning step.
  • the spinning of the drum in a state of great laundry eccentricity might damage to the drum and the rotation shaft.
  • the washing machine includes a control unit, a motor 104, a sensor 105, a selection button 101, a storage button 102, a rotary key 200, a display 300, and a speaker 400.
  • the selection button 101 is connected to the control unit 103, for selecting an operation course according to the kind of laundry. Therefore, if one course is selected with the selection button 101, the motor 104 rotates at a rotation speed set to meet the course requirement.
  • the rotation speed of the motor 104 is measured at the sensor 105, and provided to the control unit 103, and displayed on the display 300.
  • the rotary key 200 is provided for the user to change the rotation speed.
  • the user turns the rotary key 200 to adjust the rotation speed, and presses the storage button 102, to store the adjusted rotation speed in the control unit 103.
  • the washing machine further includes the speaker 400 connected to the control unit 103, so that the speaker 400 sounds an alarm when the resonance of the drum is detected, or the adjusted rotation speed is stored.
  • the washing machine can detect the resonance at the drum by means of a resonance detecting device 150, automatically.
  • the resonance detecting device 150 includes a spring and a grounding part. If the spring vibrates more than a preset level, the spring comes into contact with the grounding part, when a signal indicating that the resonance is occurred is generated.
  • the resonance detecting device 150 provides the signal that the resonance occurs to the control unit 103 when a vibration value exceeds a preset value.
  • the control unit 103 having received the signal adjusts the rotation speed of the drum, automatically.
  • the adjustment of the rotation speed may be made by the user manually by turning the rotary key.
  • the speaker 400 connected to the control unit 103 sounds an alarm when resonance of the drum is detected, or the adjusted rotation speed is stored. It is preferable that the adjusted rotation speed is stored automatically by the control unit 103.
  • the washing machine further includes test mode buttons 110 connected to the control unit 103.
  • the step of adjusting the rotation speed for avoiding the resonance of the drum is made before a regular spinning operation of the washing machine. Therefore, the step of adjusting the rotation speed is performed after the user selects the test mode button 110. The adjusted rotation speed is stored in the control unit before the test mode is finished.
  • the drum rotates at the adjusted rotation speed.
  • the drum is rotated at a first rotation speed set at the control unit (S1).
  • the first rotation speed is in the vicinity of 108 rpm.
  • the detection of the eccentricity is made when no resonance occurs at the drum.
  • the rotation speed is increased or decreased, by a preset unit greater than 50 rpm.
  • the resonance range of the drum varies at a certain level with a small variation of the eccentricity of the laundry, for changes of the rotation speed of the drum greater than a variation range. That is, for securer avoidance of the resonance occurrence, the rotation speed is changed by a predetermined magnitude each greater than a certain rpm.
  • the resonance detecting device Even if the user can know the occurrence of resonance at the drum from sudden increase of vibration and noise in the step (S2) of detecting resonance of the drum, it is preferable that the occurrence of resonance is detected automatically by the resonance detecting device.
  • the resonance detecting device provides the signal that the resonance has occurred to the control unit, automatically. It is preferable that the rotation speed is changed by the control unit which received the signal for avoiding the resonance, and the changed rotation speed is stored in the control unit as a new first rotation speed. Accordingly, when the washing machine is put into operation again, after the washing machine is stopped, the drum is controlled to rotate at the changed rotation speed.
  • step (S5) to measure the eccentricity of the laundry held in the drum is performed.
  • the step of decreasing the rotation speed of the drum after increasing the rotation speed of the drum is repeated. That is, by repeating the step of varying the rotation speed, the laundry is made to be spread evenly on an inside surface of the drum, so that the eccentricity of the laundry is corrected to an appropriate level.
  • the drum may be rotated in regular/reverse directions alternately a plurality of times.
  • the eccentricity is corrected to a value below the preset level, or the detected eccentricity is below the preset level, the rotation speed of the drum is increased, to progress the spinning.
  • the step of decreasing the rotation speed of the drum after increasing the rotation speed of the drum is repeated, or the drum is rotated in regular/reverse directions alternately a plurality of times.
  • the rotation speed of the drum is increased, to progress the spinning.
  • step (SA) of changing the rotation speed to avoid resonance, and the detection (S5, and S6) of eccentricity of the laundry are performed in a state when the test mode is selected.
  • the drum is rotated at a constant speed of a preset second rotation speed for extraction of water from the laundry (S7).
  • the second rotation speeds corresponding to kinds of laundry are set at the control unit. Therefore, once a desired course is selected by the user by pressing the selection button according to the kind of the laundry initially, the drum is rotated at the second rotation speed of the selected course. It is preferable that the second rotation speed is higher than 600 rpm for smooth extraction of water from the laundry.
  • a step is further performed, for detecting a volume of foam inside of the drum while rotating the drum at a constant speed of a third rotation speed (W12) before the rotation speed is increased from the first rotation speed W1 to the second rotation speed W2.
  • the change of the rotation speed is made by predetermined magnitudes each greater than 50 rpm. This is for changing the rotation speed of the drum greater than a change range of a resonance range of the drum caused by a minute change of the eccentricity of the laundry.
  • the rotation speed change for avoidance of the resonance is made in a state when the test mode is selected. After the finish of the rotation speed change, the test mode is finished automatically, and, then, the spinning step proceeds for a preset time period by spinning the drum.
  • the rotation speed is changed by turning the rotary key, or automatically by the control unit. Then, the rotation speed is changed to 650rpm, and stored in the control unit. Thereafter, when the test mode is finished, and the washing machine is put into operation again, the drum performs the spinning at the 650rpm which is newly stored second rotation speed.
  • the rotation speed of the drum is displayed on the display 300, wherein, even if the spinning is progressed at 650rpm, it is preferable that the rotation speed is displayed on the display as 700rpm as set initially. That is, at a time the washing machine is put into operation again after the washing machine is stopped, not the changed rotation speed, but the second rotation speed set initially is displayed on the display 300. This is for preventing the user from being confused by the rotation speed.
  • When the display may display the changed rotation speed and the initially set second rotation speed alternately at regular time intervals.
  • a method for controlling a washing machine will be described with reference to FIG 6, in which a rotation speed of a drum is controlled for extraction of water from the laundry.
  • the drum is rotated at the second rotation speed set at the control unit (S 12).
  • the spinning step it is preferable that the second rotation speed is set different from each other according to the kind of laundry.
  • the spinning step further includes a step for selecting a courses corresponding to a kind of the laundry, and a step for rotating the drum at a second rotation speed relevant to the selected course.
  • second rotation speeds are set at the control unit for various kinds of laundry, such as lingerie, blue jeans, general clothes, and blankets, respectively. Therefore, once the user selects a desired course by pressing the selection button according to the kind of the laundry, the drum is rotated at the second rotation speed of the selected course.
  • the rotation speed is increased in succession by a predetermined magnitude of rpm from the second rotation speed (S 15, and S17), and whether the resonance occurs at the drum or not is detected at every rotation speed section (S 14, S16, and S 18). It is preferable that the predetermined magnitude of rpm is 50rpm or 100rpm.
  • the rotation speed of the drum is changed (S20), and if no resonance is detected, after the rotation speed is increased by predetermined magnitudes of rpm, whether the resonance occurs or not is again detected.
  • the drum rotates at 500rpm which is initially set second rotation speed. If no resonance occurs, the rotation speed is increased to 600rpm. If the resonance occurs at the increased rotation speed, the rotation speed is decreased to 650rpm or increased to 700rpm.
  • the rotation speed of the drum is increased or decreased, preferably by predetermined magnitudes each greater than 50rpm. According to this, occurrence of the resonance at the changed rotation speed can be prevented, securely.
  • the rotation speed is adjusted for preventing occurrence of the resonance at the drum, and the adjusted rotation speed is stored in the control unit. If the resonance of the drum is detected, an alarm sounds from the speaker, by which the user can easily know occurrence of the resonance.
  • control unit has a maximum rotation speed set therein, and, when no resonance occurs until the drum rotates up to the set maximum rotation speed, the maximum speed is stored in the control unit.
  • the detection of resonance at the drum S14, S16, and S18, the change of the rotation speed S20, and the storage of the changed rotation speed S21 are performed in a state when the test mode is selected S21.
  • the changed rotation speed is stored as a newly set second rotation speed in the control unit, when the washing machine is put into operation again after the test mode is finished, the drum is rotated at the changed rotation speed directly, instead of increasing the rotation speed gradually.
  • an alarm sounds from the speaker when the changed rotation speed is stored in the control unit, and the storage of the changed rotation speed is performed automatically by the control unit in response to the signal from the resonance detecting device.
  • the occurrence of the resonance at the drum is detected by the resonance detecting device, automatically.
  • the washing machine is provided with a reset button for returning the rotation speed to the initial set second rotation speed, for making the next operation by the user in performing the test mode easy.
  • the washing machine and the method for controlling the same have the following advantages.
  • the method for controlling a washing machine of the present invention permits more accurate measurement of an eccentricity by detecting resonance and adjusting the rotation speed in measuring eccentricity of the laundry held in the drum.
  • the detection of resonance at a rotation speed of the drum and adjustment of the rotation speed to avoid the resonance in the spinning step permits to enhanced reliability of the product.
  • the foregoing method for controlling spinning in a washing machine is applicable not only to the drum type washing machine, but also other general washing machines, such as a pulsator type washing machine.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Control Of Washing Machine And Dryer (AREA)
EP04257173A 2004-02-27 2004-11-19 Machine à laver et contrôle pour celle-ci Expired - Fee Related EP1568813B1 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
KR1020040013269A KR100662332B1 (ko) 2004-02-27 2004-02-27 공진회피를 위한 세탁기의 ｒｐｍ 조절방법 및 조절장치
KR2004013269 2004-02-27
KR1020040013268A KR100672567B1 (ko) 2004-02-27 2004-02-27 세탁기의 탈수제어방법 및 조절장치
KR2004013268 2004-02-27

Publications (2)

Publication Number Publication Date
EP1568813A1 true EP1568813A1 (fr) 2005-08-31
EP1568813B1 EP1568813B1 (fr) 2013-01-02

Family

ID=34752265

Family Applications (1)

Application Number Title Priority Date Filing Date
EP04257173A Expired - Fee Related EP1568813B1 (fr) 2004-02-27 2004-11-19 Machine à laver et contrôle pour celle-ci

Country Status (5)

Country Link
US (2) US20050188473A1 (fr)
EP (1) EP1568813B1 (fr)
CN (1) CN1661156B (fr)
AU (1) AU2004231244B2 (fr)
ES (1) ES2401961T3 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102005030578B4 (de) * 2004-06-30 2007-06-21 Lg Electronics Inc. Steuerverfahren für eine Trommelwaschmaschine und Trommelwaschmaschine, welche dasselbe verwendet
US20090241605A1 (en) * 2008-03-28 2009-10-01 Electrolux Home Products, Inc. Laundering Device Vibration Control
RU2455407C1 (ru) * 2011-02-21 2012-07-10 Государственное образовательное учреждение высшего профессионального образования "Южно-Российский государственный университет экономики и сервиса" (ГОУ ВПО "ЮРГУЭС") Способ снижения вибрации при отжиме в стиральных машинах барабанного типа

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102006035014B4 (de) * 2005-08-01 2016-02-11 Lg Electronics Inc. Steuerverfahren für einen Schleudergang in einer Waschmaschine
US9506178B2 (en) * 2009-12-23 2016-11-29 Lg Electronics Inc. Washing method and washing machine
US8863558B2 (en) 2012-07-10 2014-10-21 Whirlpool Corporation Laundry treating appliance and method of operation
US10066333B2 (en) * 2014-02-21 2018-09-04 Samsung Electronics Co., Ltd. Washing machine with ball balancer and method of controlling vibration reduction thereof
CN106436146B (zh) * 2015-08-05 2021-03-30 青岛胶南海尔洗衣机有限公司 一种洗衣机脱水控制方法及洗衣机
CN107177956B (zh) * 2017-05-08 2019-08-16 无锡飞翎电子有限公司 洗衣机及其脱水控制方法、装置
CN109385808A (zh) * 2017-08-09 2019-02-26 青岛海尔洗衣机有限公司 一种衣物处理装置控制方法及衣物处理装置
CN109753091B (zh) * 2017-11-07 2023-03-28 青岛海尔洗涤电器有限公司 组合家电防共振控制方法及组合家电
CN112376207A (zh) * 2019-07-29 2021-02-19 青岛海尔洗衣机有限公司 用于衣物处理设备的控制方法

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2174513A (en) * 1985-05-03 1986-11-05 Hoover Plc Spin speed control means for laundry spin driers
DE4022715A1 (de) * 1990-07-17 1992-01-23 Licentia Gmbh Waschmaschine
WO2000028128A1 (fr) * 1998-11-10 2000-05-18 Electrolux Zanussi S.P.A. Procede pour empecher le desequilibre de la charge d'une machine a laver
US6546354B1 (en) * 2001-11-15 2003-04-08 Honeywell International, Inc. Resonance identification extension for a self-balancing rotatable apparatus
EP1362946A2 (fr) * 2002-05-17 2003-11-19 Lg Electronics Inc. Procédé pour commander l'essorage dans une machine à laver à tambour

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5070565A (en) * 1989-04-17 1991-12-10 Emerson Electric Co. Unbalanced load detection system and method for a household appliance
US5301523A (en) * 1992-08-27 1994-04-12 General Electric Company Electronic washer control including automatic balance, spin and brake operations
DE19749657B4 (de) * 1997-11-10 2006-07-06 BSH Bosch und Siemens Hausgeräte GmbH Programmgesteuertes Haushaltgerät
JP3124759B2 (ja) * 1998-07-14 2001-01-15 エルジー電子株式会社 洗濯機の水位／振動感知方法及び装置
US6640372B2 (en) * 2000-06-26 2003-11-04 Whirlpool Corporation Method and apparatus for detecting load unbalance in an appliance
US6546351B1 (en) * 2000-07-20 2003-04-08 Currency Systems International Note-specific currency processing

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2174513A (en) * 1985-05-03 1986-11-05 Hoover Plc Spin speed control means for laundry spin driers
DE4022715A1 (de) * 1990-07-17 1992-01-23 Licentia Gmbh Waschmaschine
WO2000028128A1 (fr) * 1998-11-10 2000-05-18 Electrolux Zanussi S.P.A. Procede pour empecher le desequilibre de la charge d'une machine a laver
US6546354B1 (en) * 2001-11-15 2003-04-08 Honeywell International, Inc. Resonance identification extension for a self-balancing rotatable apparatus
EP1362946A2 (fr) * 2002-05-17 2003-11-19 Lg Electronics Inc. Procédé pour commander l'essorage dans une machine à laver à tambour

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102005030578B4 (de) * 2004-06-30 2007-06-21 Lg Electronics Inc. Steuerverfahren für eine Trommelwaschmaschine und Trommelwaschmaschine, welche dasselbe verwendet
US7673359B2 (en) 2004-06-30 2010-03-09 Lg Electronics Inc. Drum-type washer control method and drum-type washer using the same
US20090241605A1 (en) * 2008-03-28 2009-10-01 Electrolux Home Products, Inc. Laundering Device Vibration Control
WO2009120734A2 (fr) * 2008-03-28 2009-10-01 Electrolux Home Products, Inc. Commande des vibrations d'un dispositif de blanchissage
WO2009120734A3 (fr) * 2008-03-28 2010-01-28 Electrolux Home Products, Inc. Commande des vibrations d'un dispositif de blanchissage
US8695381B2 (en) 2008-03-28 2014-04-15 Electrolux Home Products, Inc. Laundering device vibration control
RU2455407C1 (ru) * 2011-02-21 2012-07-10 Государственное образовательное учреждение высшего профессионального образования "Южно-Российский государственный университет экономики и сервиса" (ГОУ ВПО "ЮРГУЭС") Способ снижения вибрации при отжиме в стиральных машинах барабанного типа

Also Published As

Publication number Publication date
CN1661156A (zh) 2005-08-31
ES2401961T3 (es) 2013-04-25
US20090165218A1 (en) 2009-07-02
EP1568813B1 (fr) 2013-01-02
AU2004231244B2 (en) 2010-07-01
US20050188473A1 (en) 2005-09-01
CN1661156B (zh) 2010-06-16
AU2004231244A1 (en) 2005-09-15

Similar Documents

Publication Publication Date Title
US20090165218A1 (en) Washing machine and method for controlling the same
EP2260136B1 (fr) Procédé de traitement de linge et dispositif de traitement de linge
JP6064148B2 (ja) ドラム式洗濯機
EP2206822B1 (fr) Machine à laver et son procédé de fonctionnement
EP2565315A2 (fr) Machine à laver et son procédé de commande
JP2008054960A (ja) ドラム式洗濯機
US20070039105A1 (en) Apparatus for sensing vibration of washing machine and method thereof
EP2400053A1 (fr) Séchoir et machine à laver et à sécher
KR101054431B1 (ko) 세탁기 및 그 탈수 제어 방법
US7654118B2 (en) Laundry amount sensing apparatus and method for washing machine
KR100672604B1 (ko) 드럼세탁기의 탈수 제어방법 및 그 장치
KR100672567B1 (ko) 세탁기의 탈수제어방법 및 조절장치
KR101141647B1 (ko) 세탁 장치의 탈수 제어 방법
KR100413467B1 (ko) 드럼세탁기의 탈수 제어방법
KR100662332B1 (ko) 공진회피를 위한 세탁기의 ｒｐｍ 조절방법 및 조절장치
JP3188230B2 (ja) 遠心脱水装置
US20060260066A1 (en) Method for controlling spinning stroke of washing machine
KR20200093210A (ko) 세탁기 및 그 제어방법
CN1876933A (zh) 能够避免共振的洗衣机转速控制方法及其控制装置
JP5289229B2 (ja) 洗濯機
KR101526985B1 (ko) 진동감지기능을 갖는 세탁기 및 이를 이용한 세탁기 제어방법
US9267225B2 (en) Method of estimating bending moment of a laundry treating appliance drum shaft using a proximity sensor
KR20150052696A (ko) 세탁기 및 그 탈수 제어방법
JP3120507B2 (ja) ドラム式洗濯機
JP2010069328A (ja) ドラム式洗濯機

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

AK Designated contracting states

Kind code of ref document: A1

Designated state(s): AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LU MC NL PL PT RO SE SI SK TR

AX Request for extension of the european patent

Extension state: AL HR LT LV MK YU

17P Request for examination filed

Effective date: 20060216

AKX Designation fees paid

Designated state(s): DE ES FR GB IT

17Q First examination report despatched

Effective date: 20070529

GRAP Despatch of communication of intention to grant a patent

Free format text: ORIGINAL CODE: EPIDOSNIGR1

GRAS Grant fee paid

Free format text: ORIGINAL CODE: EPIDOSNIGR3

GRAA (expected) grant

Free format text: ORIGINAL CODE: 0009210

AK Designated contracting states

Kind code of ref document: B1

Designated state(s): DE ES FR GB IT

REG Reference to a national code

Ref country code: GB

Ref legal event code: FG4D

REG Reference to a national code

Ref country code: DE

Ref legal event code: R096

Ref document number: 602004040612

Country of ref document: DE

Effective date: 20130228

REG Reference to a national code

Ref country code: ES

Ref legal event code: FG2A

Ref document number: 2401961

Country of ref document: ES

Kind code of ref document: T3

Effective date: 20130425

PLBE No opposition filed within time limit

Free format text: ORIGINAL CODE: 0009261

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: NO OPPOSITION FILED WITHIN TIME LIMIT

26N No opposition filed

Effective date: 20131003

REG Reference to a national code

Ref country code: DE

Ref legal event code: R097

Ref document number: 602004040612

Country of ref document: DE

Effective date: 20131003

REG Reference to a national code

Ref country code: FR

Ref legal event code: PLFP

Year of fee payment: 12

REG Reference to a national code

Ref country code: FR

Ref legal event code: PLFP

Year of fee payment: 13

REG Reference to a national code

Ref country code: FR

Ref legal event code: PLFP

Year of fee payment: 14

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: FR

Payment date: 20171011

Year of fee payment: 14

Ref country code: DE

Payment date: 20171002

Year of fee payment: 14

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: GB

Payment date: 20171002

Year of fee payment: 14

Ref country code: IT

Payment date: 20171116

Year of fee payment: 14

Ref country code: ES

Payment date: 20171214

Year of fee payment: 14

REG Reference to a national code

Ref country code: DE

Ref legal event code: R119

Ref document number: 602004040612

Country of ref document: DE

GBPC Gb: european patent ceased through non-payment of renewal fee

Effective date: 20181119

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: DE

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20190601

Ref country code: IT

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20181119

Ref country code: FR

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20181130

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: GB

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20181119

REG Reference to a national code

Ref country code: ES

Ref legal event code: FD2A

Effective date: 20200103

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: ES

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20181120