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ES8100375A1 - Washing machine drum speed and imbalance detector - has disc provided with alternate light and dark areas scanned by photocell and connected to machine programmer - Google Patents

Washing machine drum speed and imbalance detector - has disc provided with alternate light and dark areas scanned by photocell and connected to machine programmer

Info

Publication number
ES8100375A1
ES8100375A1 ES490500A ES490500A ES8100375A1 ES 8100375 A1 ES8100375 A1 ES 8100375A1 ES 490500 A ES490500 A ES 490500A ES 490500 A ES490500 A ES 490500A ES 8100375 A1 ES8100375 A1 ES 8100375A1
Authority
ES
Spain
Prior art keywords
washing machine
dark areas
photocell
drum speed
cell
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.)
Expired
Application number
ES490500A
Other languages
Spanish (es)
Other versions
ES490500A0 (en
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.)
G Bauknecht GmbH
Original Assignee
G Bauknecht GmbH
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 G Bauknecht GmbH filed Critical G Bauknecht GmbH
Publication of ES490500A0 publication Critical patent/ES490500A0/en
Publication of ES8100375A1 publication Critical patent/ES8100375A1/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M1/00—Testing static or dynamic balance of machines or structures
    • G01M1/14—Determining imbalance
    • G01M1/16—Determining imbalance by oscillating or rotating the body to be tested
    • G01M1/22—Determining imbalance by oscillating or rotating the body to be tested and converting vibrations due to imbalance into electric variables
    • 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
    • D06F34/08—Control circuits or arrangements thereof
    • 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
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
    • G01P3/00—Measuring linear or angular speed; Measuring differences of linear or angular speeds
    • G01P3/42—Devices characterised by the use of electric or magnetic means
    • G01P3/44—Devices characterised by the use of electric or magnetic means for measuring angular speed
    • G01P3/48—Devices characterised by the use of electric or magnetic means for measuring angular speed by measuring frequency of generated current or voltage
    • G01P3/481—Devices characterised by the use of electric or magnetic means for measuring angular speed by measuring frequency of generated current or voltage of pulse signals
    • G01P3/486—Devices characterised by the use of electric or magnetic means for measuring angular speed by measuring frequency of generated current or voltage of pulse signals delivered by photo-electric detectors
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Testing Of Balance (AREA)
  • Control Of Washing Machine And Dryer (AREA)
  • Main Body Construction Of Washing Machines And Laundry Dryers (AREA)

Abstract

Device for detecting the speed and imbalance of a programme controlled washing machine drum journalled for rotation about a horizontal shaft has a drive pulley mounted on the shaft and provided on the side facing away from the drum with segments arranged alternately as light and dark areas. Areas are scanned by a photo-electric cell of the reflective type and located at a radial distance corresp. to r/2 from the centre of the pulley. Cell is associated with a differential element which is interconnected with the washing machine programming device. Pref. the cell is mounted on the inner face of the housing of the washing machine and the segments are located as alternating white and black area configuration on an adhesive foil which may be attached to the pulley.
ES490500A 1979-04-19 1980-04-11 Washing machine drum speed and imbalance detector - has disc provided with alternate light and dark areas scanned by photocell and connected to machine programmer Expired ES8100375A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19792915815 DE2915815A1 (en) 1979-04-19 1979-04-19 DEVICE FOR DETECTING THE SPEED AND THE BALANCE OF AN AGGREGATE IN A HOUSING VIBRATINGLY

Publications (2)

Publication Number Publication Date
ES490500A0 ES490500A0 (en) 1980-11-01
ES8100375A1 true ES8100375A1 (en) 1980-11-01

Family

ID=6068712

Family Applications (1)

Application Number Title Priority Date Filing Date
ES490500A Expired ES8100375A1 (en) 1979-04-19 1980-04-11 Washing machine drum speed and imbalance detector - has disc provided with alternate light and dark areas scanned by photocell and connected to machine programmer

Country Status (4)

Country Link
DE (1) DE2915815A1 (en)
ES (1) ES8100375A1 (en)
FR (1) FR2454625A1 (en)
IT (1) IT1141564B (en)

Families Citing this family (34)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3039315C2 (en) * 1980-10-17 1984-10-31 Bosch-Siemens Hausgeräte GmbH, 7000 Stuttgart Circuit arrangement for supplying power to a variable-speed electric motor
DE3117106A1 (en) * 1981-04-30 1982-11-18 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Device for preventing harmful vibrations in a drum-type washing machine
FR2544352B2 (en) * 1982-12-30 1986-01-24 Esswein Sa LAUNDRY WASHING MACHINE WITH VARIABLE LAUNDRY DEPENDING ON THE RESISTANT TORQUE OPPOSING THE DRUM DRIVE MOTOR
EP0090716B1 (en) * 1982-03-26 1986-02-26 Esswein S.A. Clothes washer with a reduced-power motor for driving the drum
FR2524020A1 (en) * 1982-03-26 1983-09-30 Esswein Sa WASHING MACHINE WITH MEANS FOR DETECTION OF BALANCES
FR2524021A1 (en) * 1982-03-26 1983-09-30 Esswein Sa Overload feedback controls for washing machine motor - allow relatively small motor to be used without damage by occasional peak loads
CH658410A5 (en) * 1982-12-14 1986-11-14 Escher Wyss Ag METHOD FOR COMPENSATING UNBALANCES WHILE ROTATING SPINNING DEVICES TO A SPECIFIC SPEED, AND THE USE THEREOF.
DE3306052C2 (en) * 1983-02-22 1985-04-04 Standard Elektrik Lorenz Ag, 7000 Stuttgart Household appliance, in particular a dishwasher or dryer for dishes or laundry
DE3421845A1 (en) * 1984-06-13 1985-12-19 Robert Bosch Gmbh, 7000 Stuttgart Device for detecting the unbalance of a rotating body
DE3938822C2 (en) * 1989-11-23 1994-12-22 Miele & Cie Drum washing machine
DE4038178C2 (en) * 1990-11-30 1994-07-28 Telefunken Microelectron Method for measuring the unbalance of a loaded laundry drum during the spin cycle of a washing machine
US5280660A (en) * 1992-10-05 1994-01-25 Pellerin Milnor Corporation Centrifugal extracting machine having balancing system
DE4235614C2 (en) * 1992-10-22 2000-02-10 Ako Werke Gmbh & Co Procedure for determining the unbalance of a loaded washing machine drum
JP3030228B2 (en) * 1995-04-14 2000-04-10 三洋電機株式会社 Centrifugal dehydrator
DE19735313B4 (en) * 1997-08-14 2008-02-07 Bayerische Motoren Werke Ag Method for determining speed-independent frequencies of a useful signal component
DE19804079B4 (en) * 1998-02-03 2011-02-24 Electrolux Rothenburg Gmbh Factory And Development Method for determining a redistribution and thus a change in an imbalance of introduced into a rotatable drivable drum objects
FR2796088B1 (en) * 1999-07-09 2001-11-30 Ciapem Sa Cie Ind D App Menage WASHING AND / OR DRYING MACHINE EQUIPPED WITH DRUM SPEED CONTROL
EP1655402A3 (en) * 1999-08-30 2006-05-17 Pharmagg Systemtechnik GmbH Method and device for wet treatment, particulary washing of laundry
ES2226663T5 (en) * 2000-06-30 2008-02-16 Whirlpool Corporation METHOD FOR DETECTING AND CONTROLLING THE DYNAMIC UNBALANCE IN A DRUM OF A WASHING MACHINE AND WASHING MACHINE USING SUCH METHOD.
US6568018B1 (en) * 2001-03-30 2003-05-27 Standet International Corporation Washing machine speed sensor
US7000436B2 (en) 2001-08-06 2006-02-21 Emerson Electric Co. Appliance control system with hyperspin mode
WO2003014456A1 (en) * 2001-08-06 2003-02-20 Emerson Electric Co. Appliance control system with hyperspin mode
US7249742B2 (en) 2002-04-10 2007-07-31 Fisher & Paykel Appliances Limited Self-levelling foot arrangement for an appliance
NZ518290A (en) * 2002-04-10 2005-02-25 Fisher & Paykel Appliances Ltd A laundry appliance
WO2003087459A1 (en) * 2002-04-10 2003-10-23 Fisher & Paykel Appliances Limited A laundry appliance
US6968632B2 (en) 2002-04-10 2005-11-29 Fisher & Paykel Appliances Limited Laundry appliance
DE102004019700B3 (en) * 2004-04-20 2005-06-30 Miele & Cie. Kg Critical operating condition detection method for electronically-controlled washer-dryer for laundry using evaluation of voltage signal characteristic for piezoelectric component
DE102004053216B3 (en) * 2004-06-18 2006-02-09 Diehl Ako Stiftung & Co. Kg Device for detecting a swinging movement of a laundry drum
DE102004043752B4 (en) * 2004-09-10 2007-12-06 Schaeffler Kg Measuring device with an optical sensor and a method with the measuring device
SI1736589T1 (en) * 2005-06-24 2015-01-30 V-Zug Ag Washing machine with unbalance detector
KR101272341B1 (en) * 2006-09-19 2013-06-05 엘지전자 주식회사 Apparatus and method for sensing vibration of washer
DE102012214863A1 (en) 2012-08-21 2014-02-27 BSH Bosch und Siemens Hausgeräte GmbH Device for rotational detection of a drum
DE102012215431A1 (en) 2012-08-30 2014-03-06 BSH Bosch und Siemens Hausgeräte GmbH Device for detecting rotary movement of drum of laundry treatment appliance e.g. washer-dryer, has receiver that comprising reading device which evaluates code information upon activation of transponder provided in transmitter
CN113967541A (en) * 2021-09-16 2022-01-25 青岛海尔生物医疗科技有限公司 Method and device for controlling a centrifuge, storage medium

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE448079A (en) * 1941-11-27
DE1777321U (en) * 1958-09-02 1958-11-13 Wilhelm Dr Ing Lepper SAFETY DEVICE FOR WASHING MACHINES AND SPINNERS.
US3084799A (en) * 1960-03-21 1963-04-09 Maytag Co Time delay control apparatus
DE1610161C2 (en) * 1967-07-25 1984-01-12 Bosch-Siemens Hausgeräte GmbH, 7000 Stuttgart Arrangement for detecting a rotary movement
DE1972015U (en) * 1967-09-19 1967-11-09 Steininger K & J DEVICE FOR LIMITING THE VIBRATIONS OF THE WASHING DRUM AND SPIN DRUM OF WASHING MACHINES DURING THE SPIN CLEARANCE.
DE1760740C3 (en) * 1968-06-25 1979-08-16 Bosch-Siemens Hausgeraete Gmbh, 7000 Stuttgart Device for preventing harmful vibrations in a drum washing machine
US3579065A (en) * 1968-06-28 1971-05-18 Eastman Kodak Co Web speed control apparatus
DE1760906C2 (en) * 1968-07-18 1982-03-11 Bosch-Siemens Hausgeräte GmbH, 7000 Stuttgart Arrangement for detecting a rotary movement
GB1361597A (en) * 1970-10-23 1974-07-30 Agfa Gevaert Ag Method and device for controlling the speed of a member
GB1370054A (en) * 1972-03-07 1974-10-09 Philips Electronic Associated Washing machines
US3753067A (en) * 1972-05-17 1973-08-14 Peripheral Systems Corp Motor speed regulation system
FR2271620A1 (en) * 1974-05-14 1975-12-12 Electricite De France Revolution counter for rotary disc - has IR emitter diode reflected from reflective part of disc to phototransistor
DE2656555A1 (en) * 1976-12-14 1978-06-15 Licentia Gmbh DRUM WASHING MACHINE
US4120013A (en) * 1977-03-28 1978-10-10 Ametek, Inc. Laundry machine control system

Also Published As

Publication number Publication date
DE2915815A1 (en) 1980-11-06
FR2454625A1 (en) 1980-11-14
IT1141564B (en) 1986-10-01
DE2915815C2 (en) 1987-07-23
ES490500A0 (en) 1980-11-01
IT8021297A0 (en) 1980-04-10
FR2454625B1 (en) 1984-11-16

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Legal Events

Date Code Title Description
MM4A Patent lapsed

Effective date: 19960506