EP2465994B1 - Appareil ménager destiné à l'entretien de pièces de linge et procédé de fonctionnement d'un tel appareil ménager - Google Patents

Appareil ménager destiné à l'entretien de pièces de linge et procédé de fonctionnement d'un tel appareil ménager Download PDF

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Publication number
EP2465994B1
EP2465994B1 EP11192133.4A EP11192133A EP2465994B1 EP 2465994 B1 EP2465994 B1 EP 2465994B1 EP 11192133 A EP11192133 A EP 11192133A EP 2465994 B1 EP2465994 B1 EP 2465994B1
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EP
European Patent Office
Prior art keywords
drum
height
designed
spring
household device
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.)
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EP11192133.4A
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German (de)
English (en)
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EP2465994A2 (fr
EP2465994A3 (fr
Inventor
Hans Eglmeier
Andreas Hanau
Thomas Koch
Wilfried Wildung
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BSH Hausgeraete GmbH
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BSH Hausgeraete GmbH
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Publication of EP2465994A2 publication Critical patent/EP2465994A2/fr
Publication of EP2465994A3 publication Critical patent/EP2465994A3/fr
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    • 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

Definitions

  • the invention relates to a domestic appliance for the care of laundry items, with a drum for receiving the laundry items, which is rotatably mounted about a horizontal axis of rotation. Furthermore, the domestic appliance comprises a tub, which is arranged on a front edge web of the drum, which delimits a loading opening of the drum, through a gap spaced apart from the drum and fixed to a housing of the domestic appliance. A sleeve is arranged in the region between the drum and the housing of the domestic appliance. Furthermore, the invention relates to a method for operating a household appliance for the care of laundry.
  • Household appliances for maintaining items of laundry can be designed, for example, as front loading washing machines.
  • the mentioned cuff in washing machines of this type has the function of ensuring a seal of the tub together with the sight glass of the window of the door for closing the loading opening.
  • the cuff should ensure the function of bridging the distance between the tub and the housing of the washing machine. Last but not least, it should also be prevented that items of laundry or small parts from the drum get into the tub.
  • Known front-loading washing machines have a vibration system which consists of a swing-mounted suds container in which a drum is rotatably mounted. In these configurations, the tub and the inner drum move together.
  • Out DE 1 772 023 U is known storage of a drum rotatably mounted in a tub of a washing machine.
  • the bearing can be centered with a chip removal device when the drum is moved from the horizontal.
  • a washing machine is designed with a tub that is fixed relative to the housing.
  • a non-swinging tub is for example from the EP 1 433 890 A2 known.
  • the drum is movably mounted to the housing and thus moves within the tub.
  • a laundry treatment machine with a housing, a tub, and a drum arranged therein and a sleeve arranged between the housing and the drum is known, the laundry treatment machine also a sensor for detecting a height offset of the tub depending on the loading condition and a compensation device arranged on the front wall of the housing with which the resulting height offset can be compensated for by the loading condition of the sleeve fastened to a housing opening.
  • a household appliance for the care of laundry items comprises a drum for receiving the laundry items.
  • the drum is rotatably supported about a horizontal axis of rotation.
  • the domestic appliance is thus designed for loading the drum from the front.
  • the domestic appliance also includes a tub which is attached to a front edge web of a drum that delimits a loading opening of the drum Drum is arranged through a gap spaced from the drum and to a housing of the household appliance.
  • the household appliance also comprises a sleeve which is arranged in the area between the drum and the housing of the household appliance.
  • the household appliance also has a height adjustment device. The height of the drum can be adjusted with this height adjustment device.
  • This can be set as a function of a specific operating state of the drum, which differs from a basic state, relative to the position of the sleeve.
  • a state loaded with laundry items is characterized as the specific operating state of the drum.
  • the basic state of the drum is characterized by the empty state of the drum.
  • the domestic appliance comprises a sensor which is designed to detect the position of the drum in the specific operating state of the drum and / or to detect the deviation of the position of the drum in the specific operating state from the position in the basic state of the drum.
  • the height of the drum can therefore be completely and deliberately changed in these specific operating states.
  • the height in the specific operating state of the drum can be adjusted so that the relative position of the drum, in particular of the edge web, to the cuff corresponds to that position in the basic state of the drum relative to the cuff.
  • the height adjustment device therefore ensures that the height of the drum can also be adjusted in these specific operating states, that it is the same or within an acceptable tolerance range around the height position in the basic state of the drum. Since the gap formation between the sleeve and the drum, in particular in the front edge web, is minimized in the basic state, this adjustment of the altitude in the specific operating state of the drum is adapted to this optimal position or corresponds to it.
  • a loaded state and the deviation of the position of the drum resulting from the loading compared to the unloaded basic position are therefore preferably taken into account as the operating state of the drum.
  • the setting of the altitude can be done very specifically with regard to the optimally desired position.
  • the height adjustment device preferably has a spring device with which the drum is held in the housing.
  • the spring device is designed to be adjustable in length and / or position.
  • the height of the drum is adjusted by changing the length and / or position of the spring device.
  • a very special component of the domestic appliance namely the spring device, is thus changed in one of its parameters in such a way that the height of the drum can be changed relative to the sleeve.
  • the spring device is designed accordingly, this can be a very advantageous embodiment, since the change in length of the spring device can be carried out very easily and with little effort and yet precisely.
  • the height adjustment device is designed to influence a spring hardness of the spring device and the height of the drum is adjusted by changing the spring hardness of the spring device.
  • the spring device can have one or more spring elements. It can be provided that the spring device is arranged in such a way that the drum is kept mounted from above, so to speak. It can also be provided that the drum is held from below. In the first-mentioned embodiment, a hanging spring device and thus a suspension are quasi provided. In the case of the second embodiment mentioned, an embodiment that supports from below is practically implemented.
  • the spring elements can be arranged vertically or at an angle.
  • the spring elements can also be spring struts, in which case a spring and a damper are integrated in one element.
  • the domestic appliance has a spring and / or damper device, by means of which the drum is held in the housing and is damped in motion.
  • the height adjustment device then comprises in particular a carrier with which the spring and / or damper device is connected, the carrier being arranged in the housing in an adjustable height position.
  • the carrier can be moved relative to the sleeve and also to the housing. As a result, the height of the drum connected to it is changed accordingly.
  • the carrier can be arranged below or above the drum.
  • the carrier is a plate or a frame. This ensures a particularly stable design, which is robust in terms of mobility and internal torsional rigidity. This enables the altitude to be set very precisely.
  • the height adjustment device is preferably designed for electromotive adjustment of the height of the drum.
  • the height adjustment device includes an adjustment gear.
  • the height adjustment device has a lifting pump and / or a reciprocating piston.
  • the height adjustment device is designed to adjust the height of the drum by magnetic force.
  • Corresponding magnetic fields can be generated by permanent magnets or electromagnets.
  • the height adjustment device is designed for the electrical adjustment of the height position of the drum.
  • the height adjustment device can have at least one piezo actuator for this purpose, which expands when an electrical voltage is applied.
  • the height adjustment device has at least one sensor which is designed to detect the position of the drum in the specific operating state and / or to detect the deviation of the drum from the position in the basic state is formed.
  • the required adjustment height is thus determined on the basis of the information from the sensor.
  • the domestic appliance comprises a control unit, by means of which the height adjustment device can be controlled and / or the information detected by the sensor can be evaluated.
  • this gap dimension can be minimized in every loading case by an actively defined change in the height of the drum being adjustable.
  • the invention can also be applied to domestic appliances which have a drum which is rotatably arranged in a tub which is mounted in a vibrating manner in the housing of the domestic appliance.
  • the tub also serves as a carrier, which is connected to the spring and / or damper device. Therefore, the height of the drum in such a domestic appliance can also be determined by determining the height of the tub.
  • the invention also relates to a method for operating a domestic appliance for the care of laundry items, which has the components of the domestic appliance according to the invention already mentioned at the beginning.
  • the position of this drum is detected in a specific operating state of the drum and, depending on a deviation of this position from a position of the drum in a basic state, a height position of the drum relative to the position of the cuff is set by means of a height adjustment device.
  • a household appliance for the care of laundry items is shown, which is designed as a washing machine 1.
  • the household appliance can, for example, also be designed as a washer dryer.
  • the washing machine 1 comprises a housing 2.
  • a drum 3 is arranged in the housing 2, which drum is cylindrical and is rotatably mounted about a horizontally oriented axis A.
  • the washing machine 1 is thus designed as a front loading washing machine.
  • a tub 4 is provided, which surrounds the drum 3 on the circumference.
  • a loading opening 5 is formed on the front through which the drum 3 can be loaded with items of laundry.
  • the tub 4 is arranged so that there is no relative movement between the tub 4 and the housing 2. In particular, it is provided that the tub 4 is firmly connected to the housing 2.
  • An operating device 6 with operating elements 7 and 8 and a display unit 9 is also shown by way of example only. Both the position of the operating device 6 and the number and position of the operating elements 7 and 8 and the display unit 9 are only exemplary.
  • Fig. 2 an exemplary embodiment of the washing machine 1 is shown in a schematic sectional illustration. It can be seen that the drum 3 has a front edge web 10 to limit the loading opening 5. This is spaced from a front edge web 11 of the tub 4. In addition, this edge web 10 is also spaced forward from a housing wall 12 of the housing 2. In the area between the housing wall 12 and the edge web 10 is a schematically drawn sleeve 13, the is formed from an elastic material, arranged.
  • the sleeve 13 is preferably made of an elastomer. It can deform both in the y direction and in the z direction, so that there is a certain freedom of movement.
  • the tub 4 is fixed in the housing 2.
  • the cuff 13 can moreover be fixedly arranged on the housing wall 12, so that here too a relative movement between the cuff 13 and the drum 3, in particular the edge web 10, can result.
  • the drum 3 In a basic state in which the drum 3 is unloaded and thus has no items of laundry, the drum 3 has a basic position with regard to its height position and thus in the y direction. In this embodiment, a gap between the sleeve 13 and the edge web 10 is so minimal that the penetration of laundry items or small parts is prevented.
  • the washing machine 1 comprises at least one sensor 14, which is used to detect the position of the Drum 3 is designed in this specific operating state and / or is designed to detect the deviation of the drum 3 from the position in the basic state.
  • This information is then transmitted to a control unit 15. This is designed to evaluate the information of the at least one sensor 14. It should be mentioned that the location of the sensor 14 is only exemplary and schematic. It can also be arranged at another location.
  • the washing machine 1 also includes a height adjustment device 16, which is connected to the control unit 15.
  • the height of the drum 3 is changed or corrected in this specific operating state by means of the height adjustment device 16.
  • the height adjustment device 16 is then changed upwards by means of the height adjustment device 16, in particular the height of the drum 3 being set which it has in the unloaded basic state.
  • the relative position between the edge web 10 and the sleeve 13 is also set in this specific loaded operating state of the drum 3 in accordance with the position in the basic state.
  • the minimum gap between the sleeve 13 and the edge web 10 is thus also maintained in this specific operating state of the loaded drum 3.
  • the height adjustment device 16 comprises in particular at least one spring device 17, which is shown schematically in FIG Fig. 2 is shown. In the execution according to Fig. 2 the drum 3 is thus arranged and supported in a quasi-hanging manner by the spring device 17. Other components of the existing storage device are not shown here.
  • the spring hardness of the spring device 17 is changed to correct the height of the drum 3.
  • the spring hardness is preferably increased, with a linear increase in spring hardness being carried out in particular for this purpose.
  • this change in the spring hardness can take place in such a way that the desired deflection of the drum 3 corresponds to that of the height of the drum 3 even when the drum 3 is unloaded, even when the drum 3 is loaded to the maximum.
  • the spring device 17 is arranged below the drum 3 or laterally and thus represents a supporting system. Both the number and the position of the spring device 17 are therefore only exemplary in FIG Fig. 2 to understand.
  • FIG. 3 Another exemplary embodiment is shown in a schematic sectional illustration. It is provided here that the washing machine 1 has a spring and / or damper device 18. With this, the drum 3 is held in the housing 2 and damped in motion.
  • the height adjustment device 16 also includes a plate 19 as a carrier on which the spring and / or damper device 18 is arranged.
  • the height adjustment device 16 can be designed in a variety of configurations for adjusting the height of the drum 3.
  • it comprises at least one component 20.
  • This component 20 can be designed, for example, to generate electromotive forces for adjusting the altitude and, for example, can comprise an adjusting gear.
  • the component 20 is designed to be pneumatically or hydraulically generated forces for adjusting the height of the drum 3 and, for example, has a lifting pump and / or a reciprocating piston.
  • the component 20 is designed to generate magnetic forces to adjust the height of the drum 3.
  • the component 20 is designed to set the height of the drum 3 by means of electrically generated forces and in particular has a piezo actuator which expands when an electrical voltage is applied.
  • the component 20 is designed to adjust the height of the drum 3 by thermal influence, and in particular has a thermal actuator which expands when the temperature is applied.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Main Body Construction Of Washing Machines And Laundry Dryers (AREA)
  • Control Of Washing Machine And Dryer (AREA)
  • Detail Structures Of Washing Machines And Dryers (AREA)

Claims (13)

  1. Appareil ménager pour l'entretien du linge, avec un tambour (3) pour l'accueil du linge, logé en rotation autour d'un axe de rotation horizontal (A), et une cuve de lavage (4), disposée sur une âme périphérique (10) du tambour (3) limitant un orifice de remplissage (5) du tambour (3), écartée du tambour (3) par une fente et fixe par rapport à une carcasse (2) de l'appareil ménager (1), et une coupelle (13) disposée entre le tambour (3) et la carcasse (2) de l'appareil ménager (1), caractérisé en ce que l'appareil ménager (1) comprend un capteur (14) exécuté pour capter la position du tambour (3) dans un état de fonctionnement spécifique du tambour (3), dans lequel le tambour (3) est chargé en linge, et/ou pour capter la divergence de la position du tambour (3) dans l'état de fonctionnement spécifique par rapport à la position dans un état de base du tambour (3), dans lequel le tambour (3) est déchargé, et en ce qu'un dispositif de réglage de la hauteur (16) est exécuté, avec lequel la hauteur du tambour (3) par rapport à la position de la coupelle (13) dans l'état de fonctionnement spécifique du tambour (3) est réglable de telle sorte en fonction de la divergence de la position du tambour (3) par rapport à la position dans un état de base du tambour (3) que la hauteur dans l'état de fonctionnement spécifique du tambour (3) est identique à la hauteur dans l'état de base du tambour (3) ou se situe dans une plage de tolérance autour de la position de hauteur dans l'état de base du tambour (3).
  2. Appareil ménager selon la revendication 1, caractérisé en ce que son chargement en linge se caractérise comme état de fonctionnement du tambour (3) et la divergence de position du tambour (3) par rapport à la position de base déchargée résultant du chargement est prise en compte pour le réglage de la hauteur.
  3. Appareil ménager selon l'une des revendications précédentes, caractérisé en ce que le dispositif de réglage de la hauteur (16) présente un dispositif élastique (13, 18) avec lequel le tambour (3) est maintenu dans la carcasse (2) et le dispositif élastique (13, 18) est exécuté de façon modifiable en longueur et/ou en position, dans lequel le réglage de la hauteur du tambour (3) s'effectue par la modification de la longueur et/ou de la position du dispositif élastique (13, 18).
  4. Appareil ménager selon la revendication 3, caractérisé en ce que le dispositif de réglage de la hauteur (16) est exécuté afin d'influencer une élasticité du dispositif élastique (13, 18) et le réglage de la hauteur du tambour (3) s'effectue par la modification de l'élasticité du dispositif élastique (13, 18).
  5. Appareil ménager selon l'une des revendications précédentes, caractérisé en ce que l'appareil ménager (1) présente un dispositif élastique et/ou d'amortissement (13, 18), avec lequel le tambour (3) est maintenu dans la carcasse (2) et amorti dans ses mouvements, et le dispositif de réglage de la hauteur (16) présente un support (19), auquel le dispositif élastique et/ou d'amortissement (13, 18) est relié, dans lequel le support (19) est disposé de façon réglable en hauteur dans la carcasse (2) et la hauteur du tambour (3) couplé au support (19) via le dispositif élastique et/ou d'amortissement (13, 18) peut être réglée en fonction de la modification de hauteur du support (19).
  6. Appareil ménager selon la revendication 5, caractérisé en ce que le support est une plaque (18) ou un cadre.
  7. Appareil ménager selon la revendication 5 ou 6, caractérisé en ce que le dispositif de réglage de la hauteur (16) est exécuté pour le réglage de la hauteur du tambour (3) par des forces électromotrices générées et présente en particulier un mécanisme de réglage.
  8. Appareil ménager selon l'une des revendications précédentes, caractérisé en ce que le dispositif de réglage de la hauteur (16) est exécuté pour le réglage de la hauteur du tambour (3) au moyen de forces pneumatiques ou hydrauliques générées et présente en particulier une pompe de levage et/ou un piston.
  9. Appareil ménager selon l'une des revendications précédentes, caractérisé en ce que le dispositif de réglage de la hauteur (16) est exécuté pour le réglage de la hauteur du tambour (3) par force magnétique.
  10. Appareil ménager selon l'une des revendications précédentes, caractérisé en ce que le dispositif de réglage de la hauteur (16) est exécuté pour le réglage de la hauteur du tambour (3) par des forces électriques générées et présente en particulier au moins un actuateur piézoélectrique qui s'étend lors de l'application d'une tension électrique.
  11. Appareil ménager selon l'une des revendications précédentes, caractérisé en ce que le dispositif de réglage de la hauteur (16) est exécuté pour le réglage de la hauteur du tambour (3) par influence thermique et présente en particulier au moins un actuateur thermique qui s'étend lors de l'application d'une température.
  12. Appareil ménager selon l'une des revendications précédentes, caractérisé en ce que le dispositif de réglage de la hauteur (16) présente au moins un capteur (14) exécuté pour capter la position du tambour (3) dans l'état de fonctionnement spécifique et/ou pour capter la divergence de la position du tambour (3) par rapport à la position dans l'état de base.
  13. Procédé d'exploitation d'un appareil ménager pour l'entretien du linge, avec un tambour (3) pour l'accueil du linge, logé en rotation autour d'un axe de rotation horizontal (A), et une cuve de lavage (4), disposée sur une âme périphérique (10) du tambour (3) limitant un orifice de remplissage (5) du tambour (3), écartée du tambour (3) par une fente et fixe par rapport à une carcasse (2) de l'appareil ménager (1), et une coupelle (13) disposée entre le tambour (3) et la carcasse (2) de l'appareil ménager (1), caractérisé en ce que dans un état de fonctionnement spécifique du tambour (3), dans lequel le tambour (3) est chargé en linge, la position du tambour (3) et/ou une divergence de la position du tambour (3) par rapport à une position dans un état de base du tambour (3), dans lequel le tambour (3) est déchargé, est capté et indépendamment de la divergence de cette position par rapport à la position du tambour (3) dans l'état de base, une hauteur du tambour (3) par rapport à la position de la coupelle (13) est réglée de telle sorte au moyen d'un dispositif de réglage de la hauteur (16) que la hauteur dans l'état de fonctionnement spécifique du tambour (3) est identique à la hauteur dans l'état de base du tambour (3) ou se trouve dans une plage de tolérance autour de la position de hauteur dans l'état de base du tambour (3).
EP11192133.4A 2010-12-13 2011-12-06 Appareil ménager destiné à l'entretien de pièces de linge et procédé de fonctionnement d'un tel appareil ménager Active EP2465994B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102010062911A DE102010062911A1 (de) 2010-12-13 2010-12-13 Hausgerät zur Pflege von Wäschestücken sowie Verfahren zum Betreiben eines derartigen Hausgeräts

Publications (3)

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EP2465994A2 EP2465994A2 (fr) 2012-06-20
EP2465994A3 EP2465994A3 (fr) 2013-06-19
EP2465994B1 true EP2465994B1 (fr) 2020-02-12

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Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TR201708633A2 (fr) * 2017-06-12 2018-12-21 Arcelik As
EP3470567B1 (fr) * 2017-10-13 2020-07-22 Vestel Elektronik Sanayi ve Ticaret A.S. Machine à laver et/ou sécher le linge
EP3517678A1 (fr) * 2018-01-29 2019-07-31 V-Zug AG Palier pour la cuve dans une machine à traiter du linge

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2011091941A1 (fr) * 2010-01-28 2011-08-04 BSH Bosch und Siemens Hausgeräte GmbH Lave-linge pourvu d'un tambour de lavage

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Publication number Priority date Publication date Assignee Title
DE1772023U (de) * 1958-05-13 1958-08-14 Senkingwerk Anordnung zur lagerung der innentrommel bei stirnbeschickten waschmaschinen.
DE4003890A1 (de) * 1990-02-09 1991-08-14 Bauer Fritz & Soehne Ohg Reibungs-schwingungsdaempfer
DE10158597C1 (de) * 2001-11-29 2003-04-30 Miele & Cie Waschmaschine und Verfahren zur Einstellung der Höhenlage des Laugenbehälters
KR100464054B1 (ko) 2002-12-27 2005-01-03 엘지전자 주식회사 일체형 캐비넷/터브를 구비한 드럼 세탁기
DE102007038672B4 (de) * 2007-08-15 2011-02-24 Miele & Cie. Kg Frontbeschickbare Wäschebehandlungsmaschine
KR20100116325A (ko) * 2009-04-22 2010-11-01 엘지전자 주식회사 세탁장치

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2011091941A1 (fr) * 2010-01-28 2011-08-04 BSH Bosch und Siemens Hausgeräte GmbH Lave-linge pourvu d'un tambour de lavage

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EP2465994A2 (fr) 2012-06-20
EP2465994A3 (fr) 2013-06-19

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