EP2432928B1 - Horizontalaxige waschmaschine - Google Patents

Horizontalaxige waschmaschine Download PDF

Info

Publication number
EP2432928B1
EP2432928B1 EP10720589.0A EP10720589A EP2432928B1 EP 2432928 B1 EP2432928 B1 EP 2432928B1 EP 10720589 A EP10720589 A EP 10720589A EP 2432928 B1 EP2432928 B1 EP 2432928B1
Authority
EP
European Patent Office
Prior art keywords
block
washing machine
tub
produced
plates
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
EP10720589.0A
Other languages
English (en)
French (fr)
Other versions
EP2432928A1 (de
Inventor
Yavuz Ercil
Kerem Erenay
Omer Hakan Okutan
Latif Tezduyar
Onur Yaman
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.)
Arcelik AS
Original Assignee
Arcelik AS
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 Arcelik AS filed Critical Arcelik AS
Publication of EP2432928A1 publication Critical patent/EP2432928A1/de
Application granted granted Critical
Publication of EP2432928B1 publication Critical patent/EP2432928B1/de
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
    • D06F34/18—Condition of the laundry, e.g. nature or weight
    • 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
    • D06F2103/00—Parameters monitored or detected for the control of domestic laundry washing machines, washer-dryers or laundry dryers
    • D06F2103/02—Characteristics of laundry or load
    • D06F2103/04—Quantity, e.g. weight or variation of weight
    • 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
    • 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
    • D06F37/22—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 horizontal axis
    • D06F37/225—Damping vibrations by displacing, supplying or ejecting a material, e.g. liquid, into or from counterbalancing pockets

Definitions

  • This invention relates to a horizontal axis washing machine.
  • the laundry In washing machines, the laundry is placed inside a drum that rotates around preferably a horizontal axis. In different steps of the washing program, the laundry is washed with water and detergent by rotating the drum at different speeds. While the drum is being rotated, the laundry is not distributed homogeneously inside the drum, causing an uneven distribution of the laundry by piling up in some regions. Particularly in the spinning step where the drum is rotated at very high speeds, the uneven distribution of the load generates vibrations. Those vibrations not only generate noise and result in consumer dissatisfaction but also cause the machine to wear out. Moreover, the spinning performance at high speeds is adversely affected
  • the tub wherein the drum is situated is suspended from above by means of springs and supported from below by means of pistons thereby held in suspended position within the body.
  • damper systems comprised of spring, piston etc.
  • the sensors disposed on the legs or around the damper system are adversely affected due to damper behavior and also by the forces acting thereon from outside the washing machine.
  • the tub is seated inside a framework that is suspended in the body:
  • the weight of the tub is measured by the sensor situated between the protrusions extending from the sides of the tub and the framework.
  • the washing chamber is supported on a support structure in the body.
  • the vibrations in the washing chamber connected to the supports by means of upright members are detected by piezoelectric sensors.
  • the aim of the present invention is the realization of a horizontal axis washing machine wherein the load and the unbalanced load are detected effectively.
  • the horizontal axis washing machine realized in order to attain the aim of the present invention, explicated in the first claim and the respective claims thereof, comprises a block supporting the tub, made up of a conductive and flexible material, two conductive plates disposed inside the block, parallel to each other with the conductive material remaining therebetween and a weight sensor, whereto the plates are electrically connected such that there is a potential difference between the plates, that measures the weight of the load acting on the block with respect to the frequency that changes depending on the change in the distance between the plates which changes according to the load acting on the block.
  • the two plates embedded inside the conductive material during the production of the block and the conductive material in between these plates serve as a planar capacitor.
  • the block compressing and expanding due to the flexibility of the block results in the plates moving closer or away from each other, whereby the capacitance value of the block changes which in turn affects the output signal of the weight sensor whereto the plates are electrically connected.
  • the weight of the tub can be determined by this method.
  • the block is produced from a polymer material, preferably of rubber.
  • the plate is produced from a high conductive metal material, preferably of aluminum or copper.
  • the plate is manufactured of a polymer material having electrical conductivity.
  • the block can behave like a capacitive circuit element without affecting the flexibility of the block.
  • supports made of metal are secured above or below the block in order to increase the strength thereof and to provide the homogeneous dampening of the load acting thereon.
  • the washing machine comprises holders secured on the surfaces of both body side walls facing the tub, along the length of the side walls, parallel to the drum axis extending in the horizontal axis and a rest secured to the tub, that extends from the tub surface toward the side wall of the body such that it will be in the same vertical alignment as the holder and a block disposed between the holder and the rest.
  • the block is secured to the holder from below and to the rest from above.
  • the present invention holding of the tub inside the washing machine and detecting the amount of the load acting on the tub are provided without a dampener and piston.
  • the flexible and conductive configuration of the block provides not only holding the tub, dampening the vibrations but also determining the load acting on the tub.
  • the washing machine (1) of the present invention is a horizontal axis washing machine (1) wherein the amount of water to counterbalance the unbalanced load and minimize the effect is continuously delivered to the desired place in the case of unbalanced load, comprising a body (2), a drum disposed inside the body (2), rotating in the horizontal axis, wherein items to be washed are emplaced and a tub (3) wherein the drum rotates.
  • the washing machine (1) furthermore, comprises:
  • the block (7) not only provides to hold the tub (3) but also to dampen the vibrations of the tub (3) and to determine the weight of the load acting thereon.
  • the block (7) is manufactured of a polymeric material and the tub (3) is seated on one or more blocks (7). Accordingly, the block (7) that serves almost like a buffer, carries both the weight of the tub (3) and the entire drive group connected thereto and also prevents the vibrations from being delivered to the body (2) by dampening the vibrations originating from the rotation of the drum.
  • the block (7) is produced from a polymer based material.
  • the block (7) is produced from rubber material.
  • the plate (8) is produced from a metal material with high conductivity like aluminum or copper.
  • the plate (8) is produced from a polymer material having conductivity. Accordingly, the plates (8) are provided to move closer to or move away from each other in a more proportional manner with the compression and expansion of the block (7). Moreover, the flexibility of the block (7) is also protected.
  • supports (6) preferably produced from metal material are secured below and above the block (7) in order to increase the strength of the block (7). These supports (6) not only increase the strength of the block (7) but also provide homogeneous dampening of the load acting thereon.
  • the washing machine (1) comprises holders (4) secured on the surfaces of both body (2) side walls facing the tub (3), along the length of the side walls, parallel to the drum axis extending in the horizontal axis and a rest (5) secured to the tub (3), extending from the tub (3) surface toward the side wall of the body (2) such that it will be in the same vertical alignment as the holder (4).
  • the block (7) is disposed between the holder (4) and the rest (5) and is secured to the holder (4) from below and to the rest (5) from above ( Figure 1 and Figure 2 ). The entire load of the tub (3) is delivered to the block (7) by means of the rest (5) secured to the tub (3)

Claims (7)

  1. Waschmaschine mit horizontaler Achse (1), die einen Gehäusekörper (2), eine Trommel, die sich um die horizontale Achse dreht und in dem Gehäusekörper (2) angeordnet ist und in die die zu waschenden Artikel gegeben werden, und einen Waschbehälter (3) umfasst, in dem sich die Trommel dreht,
    und gekennzeichnet durch
    • wenigstens einen Block (7), der aus einem leitfähigen, flexiblen Material hergestellt ist und auf dem der Waschbehälter (3) sitzt,
    • zwei leitfähige Platten (8), die im Inneren des Blocks (7) parallel zueinander angeordnet sind, derart, dass das leitfähige Material dazwischen bleibt, wobei durch Anlegen eines elektrischen Stroms daran eine Potenzialdifferenz gebildet wird, und
    • einen Gewichtssensor (9), der entsprechend der Veränderung des Kapazitätswertes zwischen den Platten (8), der sich in Bezug auf den Abstand zwischen den Platten (8) abhängig von dem auf den Block (7) einwirkenden Gewicht verändert, das Gewicht misst, das auf den Block (7) einwirkt.
  2. Waschmaschine (1) nach Anspruch 1, dadurch gekennzeichnet, dass der Block (7) aus einem Material auf Polymerbasis hergestellt ist.
  3. Waschmaschine (1) nach Anspruch 1, dadurch gekennzeichnet, dass der Block (7) aus einem Gummimaterial hergestellt ist.
  4. Waschmaschine (1) nach einem der vorangehenden Ansprüche, dadurch gekennzeichnet, dass die Platte (8) aus Metallmaterial hergestellt ist.
  5. Waschmaschine (1) nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, dass die Platte (8) aus Polymermaterial mit leitenden Eigenschaften hergestellt ist.
  6. Waschmaschine (1) nach Anspruch 1, gekennzeichnet durch einen Träger (6), deraus Metallmaterial hergestellt ist und unter und über dem Block (7) gesichert ist.
  7. Waschmaschine (1) nach einem der vorangehenden Ansprüche, gekennzeichnet durch einen Halter (4), der entlang der Längenerstreckung der Seitenwände parallel zur Trommelachse, die sich in der horizontalen Achse erstreckt, an den Flächen beider Seitenwände des Gehäusekörpers (2) gesichert ist, die dem Waschbehälter (3) zugewandt sind, und ein Sütztelement (5), das am Waschbehälter (3) gesichert ist und sich von der Oberfläche des Waschbehälters (3) zur Seitenwand des Gehäusekörpers (2) erstreckt, derart, dass es dieselbe vertikale Ausrichtung wie der Halter (4) und der Block (7) hat, der zwischen dem Stützelement (5) und dem Halter (4) angeordnet ist.
EP10720589.0A 2009-05-22 2010-05-13 Horizontalaxige waschmaschine Not-in-force EP2432928B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
TR200903979 2009-05-22
PCT/EP2010/056632 WO2010133511A1 (en) 2009-05-22 2010-05-13 A horizontal axis washing machine

Publications (2)

Publication Number Publication Date
EP2432928A1 EP2432928A1 (de) 2012-03-28
EP2432928B1 true EP2432928B1 (de) 2014-01-08

Family

ID=42341488

Family Applications (1)

Application Number Title Priority Date Filing Date
EP10720589.0A Not-in-force EP2432928B1 (de) 2009-05-22 2010-05-13 Horizontalaxige waschmaschine

Country Status (3)

Country Link
EP (1) EP2432928B1 (de)
CN (1) CN102439215B (de)
WO (1) WO2010133511A1 (de)

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH651602A5 (en) * 1982-07-20 1985-09-30 Terraillon Washing machine
US5259218A (en) * 1991-09-19 1993-11-09 Ellis Corporation Force minimizing suspension system for rotary washer/extractors
US5839297A (en) * 1997-06-11 1998-11-24 White Consolidated Industries, Inc. Out of balance sensor and control method for a textile processing machine
DE10110854C5 (de) * 2000-04-07 2010-03-04 Miele & Cie. Kg Vorrichtung zur Bestimmung der Unwucht in einer Trommelwaschmaschine
DE60013791T3 (de) * 2000-06-30 2008-01-24 Whirlpool Corp., Benton Harbor Verfahren zur Detektion und zur Kontrolle einer dynamischen Unwucht in der Trommel einer Waschmaschine und Waschmaschine zur Durchführung dieses Verfahrens

Also Published As

Publication number Publication date
WO2010133511A1 (en) 2010-11-25
EP2432928A1 (de) 2012-03-28
CN102439215B (zh) 2014-05-14
CN102439215A (zh) 2012-05-02

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