US20180355545A1 - Washing machine and water level/vibration sensor for washing machine - Google Patents

Washing machine and water level/vibration sensor for washing machine Download PDF

Info

Publication number
US20180355545A1
US20180355545A1 US15/872,816 US201815872816A US2018355545A1 US 20180355545 A1 US20180355545 A1 US 20180355545A1 US 201815872816 A US201815872816 A US 201815872816A US 2018355545 A1 US2018355545 A1 US 2018355545A1
Authority
US
United States
Prior art keywords
vibration
storage tank
washing machine
water storage
pusher
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Abandoned
Application number
US15/872,816
Other languages
English (en)
Inventor
Hee Sok JUNG
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.)
WiniaDaewoo Co Ltd
Original Assignee
Dongbu Daewoo Electronics 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 Dongbu Daewoo Electronics Corp filed Critical Dongbu Daewoo Electronics Corp
Assigned to DONGBU DAEWOO ELECTRONICS CORPORATION reassignment DONGBU DAEWOO ELECTRONICS CORPORATION ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: JUNG, HEE SOK
Publication of US20180355545A1 publication Critical patent/US20180355545A1/en
Abandoned legal-status Critical Current

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
    • D06F39/00—Details of washing machines not specific to a single type of machines covered by groups D06F9/00 - D06F27/00 
    • D06F39/08—Liquid supply or discharge arrangements
    • D06F39/087—Water level measuring or regulating devices
    • 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
    • D06F19/00—Washing machines using vibrations for washing purposes
    • 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
    • D06F37/00—Details specific to washing machines covered by groups D06F21/00 - D06F25/00
    • D06F37/20—Mountings, e.g. resilient mountings, for the rotary receptacle, motor, tub or casing; Preventing or damping vibrations
    • D06F37/24—Mountings, e.g. resilient mountings, for the rotary receptacle, motor, tub or casing; Preventing or damping vibrations in machines with a receptacle rotating or oscillating about a vertical axis
    • D06F39/002—
    • 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
    • D06F2103/18—Washing liquid 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
    • 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
    • D06F2105/62—Stopping or disabling machine operation
    • D06F2202/085—
    • D06F2202/12—
    • 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

Definitions

  • the present disclosure relates to a washing machine and a water level/vibration sensor for a washing machine and, more particularly, to a washing machine and a water level/vibration sensor for a washing machine, which are capable of accurately sensing both a water level and a vibration level of a washing machine through use of a vibrator.
  • dirt may be separated from the washing items under the chemical action of a detergent.
  • a long washing time is required in the case of using only the action of the detergent.
  • the dirt separation speed may be increased by applying mechanical action such as friction or vibration to the washing items.
  • an amount of washing items put into a water storage tank (tub) is detected.
  • the water flow, the detergent amount and the total washing time are set depending on the amount of washing items.
  • the washing items may be washed during the total washing time.
  • an appropriate water level corresponding to the amount of washing items contained in a washing bucket (drum) may be maintained using a water level sensor for sensing a water level in the drum.
  • the contaminated water in the washing bucket is discharged and fresh water is supplied to the washing bucket to perform a rinsing cycle in which the washing items are rinsed in conformity with a predetermined number of rinsing times.
  • the water in the washing bucket is discharged and the washing bucket is rotated at a high speed to perform a dewatering process in which moisture is centrifugally removed from the washing items.
  • vibration generated during the dewatering process is sensed by a vibration sensor. This makes it possible to prevent damage caused by excessive vibration of the washing machine.
  • Vertical vibration (Z-direction vibration) generated in the washing machine may be sensed by a conventional vibration sensor.
  • vibrations e.g., an X-direction vibration and a Y-direction vibration
  • Korean Patent No. 10-0425124 (published on May 18, 2004) is an example of the prior art.
  • embodiments of the present disclosure provide a washing machine and a water level/vibration sensor, which are capable of accurately sensing a water level in a water storage tank and a vibration level.
  • a water level/vibration sensor for a washing machine.
  • the water level/vibration sensor includes a sensor housing mounted to a cabinet of a washing machine; a diaphragm configured to deform in shape depending on a change in a water level in a water storage tank; a pusher configured to be moved up and down inside the sensor housing in response to the deformation in shape of the diaphragm; a core mounted to the pusher; a coil mounted to the sensor housing and configured to surround the core to provide a specific inductance value corresponding to movement of the core; and a vibration chamber mounted to the pusher and configured to accommodate a vibrator vibrating in conjunction with vibration of the water storage tank.
  • the vibration chamber may include a plurality of vibration chambers spaced apart from one another and disposed in a symmetrical relationship with respect to a center of the pusher.
  • a guide projection configured to convert horizontal movement of the vibrator into vertical movement of the vibrator may be provided in the vibration chamber.
  • the vibration chamber may include a first vibration chamber configured to accommodate a first vibrator vibrating in conjunction with the vibration of the water storage tank; and a second vibration chamber spaced apart from the first vibration chamber and configured to accommodate a second vibrator having a size different from a size of the first vibrator.
  • a washing machine includes a cabinet configured to form an outer shell of the washing machine; a water storage tank installed inside the cabinet; a washing bucket rotatably installed inside the water storage tank and configured to provide a washing space for washing items; and a water level/vibration sensor configured to sense a water level in the water storage tank and vibration of the water storage tank.
  • the water level/vibration sensor includes a sensor housing mounted to the cabinet of the washing machine, a diaphragm installed inside the sensor housing to deform in shape depending on the water level in the water storage tank, a pusher configured to be moved up and down inside the sensor housing in response to the deformation in shape of the diaphragm, a core mounted to the pusher, a coil mounted to the sensor housing and configured to surround the core to provide a specific inductance value corresponding to movement of the core, and a vibration chamber mounted to the pusher and configured to accommodate a vibrator vibrating in conjunction with a vibration of the water storage tank.
  • the washing machine may further include a controller configured to, when a vibration signal applied by the water level/vibration sensor deviates from a predetermined permissible vibration range, determine that the vibration of the water storage tank is at an excessive vibration level and stop an operation of the washing machine responsive thereto.
  • the vibration chamber may include a plurality of vibration chambers spaced apart from one another and disposed in a symmetrical relationship with respect to a center of the pusher.
  • a guide projection configured to convert horizontal movement of the vibrator into vertical movement of the vibrator may be provided in the vibration chamber.
  • a water level in a water storage tank and a vibration level can be sensed by a single sensor. It is therefore unnecessary to provide individual, separate, sensors for detecting a water level in a water storage tank and a vibration.
  • a vibrator capable of detecting fine vibration in a washing machine. It is therefore possible to accurately sense a vibration level of a washing machine during its dewatering cycle.
  • three-dimensional vibrations generated in a washing machine are converted into a vertical motion of a vibrator. It is therefore possible to thoroughly detect vibrations generated in a washing machine.
  • FIG. 1 is a partial side sectional view showing a washing machine according to one embodiment of the present disclosure.
  • FIG. 2 is a block diagram showing control logic of the washing machine according to one embodiment of the present disclosure.
  • FIG. 3 is a partial side sectional view showing a water level/vibration sensor of the washing machine according to one embodiment of the present disclosure.
  • FIG. 4 is a perspective view showing a pusher having vibration chambers in a water level/vibration sensor according to one embodiment of the present disclosure.
  • FIG. 5 is a perspective view showing a pusher having vibration chambers in a water level/vibration sensor according to a modification of the present disclosure.
  • FIG. 6 is a sectional view taken along line VI-VI in FIG. 4 .
  • FIG. 7 is a sectional view taken along line VII-VII in FIG. 6 .
  • FIG. 1 is a partial side sectional view showing a washing machine according to one embodiment of the present disclosure.
  • FIG. 2 is a block diagram showing control logic or circuitry of the washing machine according to one embodiment of the present disclosure.
  • the washing machine 1 may include a cabinet 20 , a water storage tank 30 , a washing bucket 40 , a water level/vibration sensor 10 and a controller 60 .
  • a vortex type washing machine with a door installed in the upper portion thereof will be described by way of example.
  • the present disclosure is not limited thereto and may be applied to an agitating washing machine and a drum type washing machine.
  • the cabinet 20 may be configured by a housing that forms an outer shell of the washing machine, and may be provided in a substantially rectangular parallelepiped shape as a whole.
  • the water storage tank 30 , the washing bucket 40 and the water level/vibration sensor 10 may be mounted inside the cabinet 20 .
  • the water storage tank 30 which is a container capable of accommodating washing water, may be provided in a cylindrical shape.
  • the water storage tank 30 may receive washing water from a water supply valve (not shown) and may discharge the washing water to the outside of the cabinet 20 through a drain port (not shown).
  • the washing bucket 40 may be rotatably mounted inside the water storage tank 30 .
  • the water storage tank 30 may generally correspond to a tub of a drum type washing machine.
  • the washing bucket 40 may be a cylinder having a large number of water passage holes.
  • the washing bucket 40 may be rotated inside the water storage tank 30 by a driving shaft of a driving motor 50 .
  • a pulsator (to be rotated a half revolution or one full revolution by the driving shaft) may be provided in the washing bucket 40 .
  • the washing bucket 40 may generally correspond to a drum of a drum type washing machine.
  • the water level/vibration sensor 10 may sense a water level of the washing water accommodated in the water storage tank 30 and may sense vibrations of the water storage tank 30 during a washing process (e.g., a dewatering cycle).
  • the water level/vibration sensor 10 may apply water level information obtained by sensing the water level in the water storage tank 30 and vibration level information obtained by sensing the vibration of the water storage tank 30 to the controller 60 . Details of the water level/vibration sensor 10 will be described later.
  • the controller 60 may determine the supply of washing water into the washing bucket 40 by analyzing the water level information received from the water level/vibration sensor 10 . For example, the controller 60 may compare the water level information measured by the water level/vibration sensor 10 with a predetermined reference water level. If the water level information of the water level/vibration sensor 10 satisfies the reference water level, the controller 60 will stop the supply of the washing water into the water storage tank 30 and will apply an operation signal for a washing process to the driving motor 50 .
  • the controller 60 may determine that the vibration generated in the water storage tank 30 is at an excessive vibration level, and may apply a stop signal to cease operation of the driving motor 50 of the washing machine.
  • FIG. 3 is a partial side sectional view showing the water level/vibration sensor of the washing machine according to one embodiment of the present disclosure.
  • FIG. 4 is a perspective view showing a pusher having vibration chambers in the water level/vibration sensor according to one embodiment of the present disclosure.
  • the water level/vibration sensor 10 of the washing machine may include a sensor housing 100 , a diaphragm 200 , a pusher 300 , a core 400 , a coil 500 and vibration chambers 600 .
  • the sensor housing 100 may provide an accommodation space in which may be mounted the major components of the water level/vibration sensor 10 , for example, the diaphragm 200 , the pusher 300 , the core 400 , the coil 500 and the vibration chambers 600 .
  • the sensor housing 100 may be installed inside the washing machine (e.g., inside the cabinet 20 ). More specifically, a flow path for guiding the vertical movement of the pusher 300 may be formed at the center of the sensor housing 100 .
  • An elastic spring 700 for elastically supporting the upper end of the pusher 300 may be provided in the flow path.
  • a cylindrical support member 110 for supporting the upper end portion of the coil 500 and a support cap 120 for closing the upper portion of the sensor housing 100 may be provided in the upper portion of the sensor housing 100 .
  • the coil 500 surrounding the flow path may be provided on the outer periphery side of the sensor housing 100 .
  • the diaphragm 200 may be positioned between the outer peripheral edge of the pusher 300 and the inner wall of the sensor housing 100 so that the diaphragm 200 can be deformed depending on the air pressure corresponding to the water level in the water storage tank 30 .
  • the diaphragm 200 may be made of a rubber material which is convexly deformable by the air pressure.
  • the pusher 300 may move up and down along the flow path of the sensor housing 100 depending on the change in shape of the diaphragm 200 .
  • the core 400 may be mounted to the pusher 300 . When the pusher 300 moves up and down, the core 400 may change the specific inductance value of the coil 500 using the electromagnetic interaction with the coil 500 .
  • the coil 500 may be mounted to the sensor housing 100 so as to surround the core 400 and may provide the specific inductance value corresponding to the movement of the core 400 .
  • the specific inductance of the coil 500 is changed depending on the vertical movement amount of the core 400 .
  • the specific inductance change value of the coil 500 is multiplied by two capacitance values of an LC resonance circuit to generate a predetermined resonance frequency. The water level in the washing machine may be measured using the amount of change in the resonance frequency.
  • the vibration chambers 600 may be mounted on the upper surface of the pusher 300 .
  • the vibration chambers 600 may be provided in a plural number and may be spaced apart from one another in a symmetrical relationship with respect to the center of the pusher 300 .
  • three vibration chambers 600 are disposed to be spaced apart at 120 degree intervals in the circumferential direction with respect to the center of the pusher 300 .
  • the number of the vibration chambers 600 and the arrangement pattern thereof may be variously changed as long as the vibration chambers 600 are disposed in a symmetrical relationship with respect to the center of the pusher 300 .
  • the vibration chamber 600 may be provided in the form of a box having a rectangular parallelepiped internal space.
  • a vibrator 610 vibrating in conjunction with the vibration of the water storage tank 30 may be accommodated in the internal space of the vibration chamber 600 .
  • the vibration chamber 600 is provided in the form of a rectangular parallelepiped box in the present embodiment, the shape of the vibration chamber 600 may have various forms as long as the vibration chamber 600 can effectively transfer the vibration of the vibrator 610 .
  • the vibration chamber 600 may be provided in the form of a circular column having a cylindrical space.
  • FIG. 5 is a perspective view showing a pusher having vibration chambers in a water level/vibration sensor according to an embodiment of the present disclosure.
  • the vibration chamber 600 may include a first vibration chamber 600 a and a second vibration chamber 600 b that have vibrators differing in size from each other.
  • the first vibration chamber 600 a may be disposed on the center side of the pusher 300 .
  • a first vibrator 610 a vibrating in conjunction with the vibration of the washing machine may be accommodated in the first vibration chamber 600 a .
  • the second vibration chamber 600 b may be disposed on the outer periphery side of the pusher 300 .
  • a second vibrator 610 b larger in size than the first vibrator 610 a may be accommodated in the second vibration chamber 600 b.
  • the first vibrator 610 a and the second vibrator 610 b have different sizes and may respond to vibrations of different magnitudes. Eventually, the first vibrator 610 a and the second vibrator 610 b may sense vibrations of different magnitudes generated in the washing machine.
  • FIG. 6 is a sectional view taken along line VI-VI in FIG. 4 .
  • FIG. 7 is a sectional view taken along line VII-VII in FIG. 6 .
  • the vibrator 610 vibrating in conjunction with the vibration of the water storage tank 30 may be provided in the internal space of the vibration chamber 600 .
  • the vibrator 610 may convert the three-dimensional vibrations of the washing bucket 40 (e.g., the X-direction (longitudinal direction) vibration, the Y-direction (transverse direction) vibration and the Z-direction (vertical direction) vibration) into a vertical (Z-direction) motion. This makes it possible to sense all the three-dimensional vibrations as a vibration of the water storage tank 30 .
  • guide projections 620 may be provided on the bottom surface of the vibration chamber 600 .
  • the guide projections 620 may be provided in the form of ridges protruding upward from the bottom surface of the vibration chamber 600 and may guide the horizontal (x-direction or Y-direction) movement of the vibrator 610 into a vertical direction (Z-direction) movement thereof.
  • the vibrator 610 may sense changes in the center and displacement of the elliptical trajectory in real time and may reflect the center and displacement of the elliptical trajectory as the vibration of the water storage tank 30 .
  • the water supply valve is opened according to the accommodation amount, thereby supplying water until the water level reaches a predetermined water level.
  • the controller 60 may determine that water exists in the water storage tank 30 , depending on the movement amount of the core 400 .
  • the air pressure corresponding to the water level in the water storage tank 30 is transferred to the diaphragm 200 of the water level/vibration sensor 10 .
  • the diaphragm 200 is convexly deformed due to the air pressure.
  • the convexly deformed diaphragm 200 pushes up the pusher 300 , whereby the core 400 of the pusher 300 is also vertically moved upward. Therefore, the core 400 is moved upward along the internal space of the coil 500 , namely the flow path of the sensor housing 100 .
  • the specific inductance of the coil 500 is changed depending on the upward movement amount of the core 400 .
  • the water level in the water storage tank 30 is measured through the amount of changes in the resonance frequency thus generated. If it is determined that the measured water level is at a level suitable for the predetermined accommodation amount, the controller 60 stops supplying water and performs a washing process.
  • the core 400 is gradually moved down through the internal space of the coil 500 and is returned to the initial position. If the core 400 is returned to the initial position, the inductance of the coil 500 is reduced and the resonance frequency is also changed. This enables the controller 60 to determine the drain completion time.
  • the water level/vibration sensor 10 may accurately sense the three-dimensional vibrations generated in the washing bucket 40 .
  • the vibrator 610 of the water level/vibration sensor 10 is horizontally moved on the bottom surface of the vibration chamber 600 and is then vertically moved by the guide projections 620 , thereby generating a vertical direction vibration inside the vibration chamber 600 .
  • the vertical direction vibration in the vibration chamber 600 is transferred to the diaphragm 200 of the water level/vibration sensor 10 .
  • the core 400 is moved upward in the internal space of the coil 500 .
  • the specific inductance of the coil 500 is changed.
  • the vibration level of the washing bucket 40 is measured through the change amount of the resonance frequency.
  • the controller 60 determines that the vibration generated in the water storage tank 30 is at an excessive level. Then, the controller 60 applies a stop signal to stop operation of the driving motor 50 of the washing machine. This makes it possible to immediately stop the operation of the washing machine.
  • the water level in the washing machine and the vibration may be sensed by a single sensor. It is therefore unnecessary to provide individual, separate, sensors for detecting both the water level in the washing machine and the vibration level.
  • a vibrator capable of detecting a fine vibration in the washing machine. It is therefore possible to accurately sense the vibration level of the washing machine during the dewatering process. Three-dimensional vibrations generated in the washing machine are converted into the vertical motions of the vibrator. It is therefore possible to thoroughly detect the vibrations generated in the washing machine regardless of their directions.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Control Of Washing Machine And Dryer (AREA)
US15/872,816 2017-06-13 2018-01-16 Washing machine and water level/vibration sensor for washing machine Abandoned US20180355545A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR1020170074386A KR20180135735A (ko) 2017-06-13 2017-06-13 세탁기 및 세탁기의 수위진동센서
KR10-2017-0074386 2017-06-13

Publications (1)

Publication Number Publication Date
US20180355545A1 true US20180355545A1 (en) 2018-12-13

Family

ID=64563271

Family Applications (1)

Application Number Title Priority Date Filing Date
US15/872,816 Abandoned US20180355545A1 (en) 2017-06-13 2018-01-16 Washing machine and water level/vibration sensor for washing machine

Country Status (3)

Country Link
US (1) US20180355545A1 (zh)
KR (1) KR20180135735A (zh)
CN (1) CN109082843A (zh)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20230193543A1 (en) * 2021-12-16 2023-06-22 Samsung Electronics Co., Ltd. Clothes treatment apparatus and method of controlling the same

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20100170301A1 (en) * 2009-01-07 2010-07-08 Samsung Electronics Co., Ltd. Water level/vibration sensing apparatus for washing machine and washing machine having the same
US20140083142A1 (en) * 2012-09-24 2014-03-27 Lg Electronics Inc. Washing machine and control method for the same

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
EP1036875B1 (en) * 1999-02-25 2004-08-25 Lg Electronics Inc. Sensor for detecting both water level and vibration in washing machine
CN2853859Y (zh) * 2005-09-30 2007-01-03 林雅 一种具有固定洗衣机压力开关的结构
IT1392256B1 (it) * 2008-12-05 2012-02-22 Illinois Tool Works Sensore di pressione modificato per rilevare parametri operativi di un elettrodomestico dotato di un componente relativamente mobile
KR101716820B1 (ko) * 2010-12-14 2017-03-15 삼성전자주식회사 세탁기의 수위/진동 감지장치 및 이를 갖는 세탁기

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20100170301A1 (en) * 2009-01-07 2010-07-08 Samsung Electronics Co., Ltd. Water level/vibration sensing apparatus for washing machine and washing machine having the same
US20140083142A1 (en) * 2012-09-24 2014-03-27 Lg Electronics Inc. Washing machine and control method for the same

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20230193543A1 (en) * 2021-12-16 2023-06-22 Samsung Electronics Co., Ltd. Clothes treatment apparatus and method of controlling the same

Also Published As

Publication number Publication date
KR20180135735A (ko) 2018-12-21
CN109082843A (zh) 2018-12-25

Similar Documents

Publication Publication Date Title
US10494752B2 (en) Control method of washing machine
KR102395012B1 (ko) 세탁기 및 그 제어방법
US20050257575A1 (en) Washing machine with detection device
EP3255197B1 (en) Control method of laundry treatment apparatus
US9228290B2 (en) Water level sensing apparatus, water supply hose and washing machine having the same
US9062406B2 (en) Water level/vibration detection apparatus for washing machine and washing machine having the same
KR102206464B1 (ko) 세탁기 및 세탁기의 제어방법
KR100641955B1 (ko) 세탁기
CN102535085A (zh) 洗衣机及检测洗衣机中泡沫的方法
US11208748B2 (en) Method of controlling washing machine
US8701449B2 (en) Water level/vibration sensing apparatus for washing machine and washing machine having the same
KR20170115749A (ko) 세탁기에 사용되는 악세서리
US20180355545A1 (en) Washing machine and water level/vibration sensor for washing machine
KR20190076230A (ko) 세탁장치 및 세탁장치의 제어방법
US20160083887A1 (en) Washing machine and washing method using an integrated sensing device for water level and rotating unbalance
KR102411845B1 (ko) 의류처리장치
KR20140064285A (ko) 수위/도어개폐감지장치 및 이를 갖는 세탁기
JP2009011559A (ja) ドラム式洗濯機
KR102436702B1 (ko) 탑로딩 세탁기 및 그에 따른 제어방법
KR101157833B1 (ko) 세탁기의 수위감지센서 및 이를 구비한 세탁기
KR100338262B1 (ko) 수위/진동 감지 시스템
JP2017099722A (ja) 洗濯機の制御装置及び制御方法
KR101526985B1 (ko) 진동감지기능을 갖는 세탁기 및 이를 이용한 세탁기 제어방법
KR20230115581A (ko) 의류처리장치 및 의류처리장치의 제어방법
JP2013172805A (ja) 洗濯機

Legal Events

Date Code Title Description
AS Assignment

Owner name: DONGBU DAEWOO ELECTRONICS CORPORATION, KOREA, REPU

Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNOR:JUNG, HEE SOK;REEL/FRAME:044631/0614

Effective date: 20180116

STPP Information on status: patent application and granting procedure in general

Free format text: DOCKETED NEW CASE - READY FOR EXAMINATION

STPP Information on status: patent application and granting procedure in general

Free format text: NON FINAL ACTION MAILED

STCB Information on status: application discontinuation

Free format text: ABANDONED -- FAILURE TO RESPOND TO AN OFFICE ACTION