EP3497276A1 - Wäschebehandlungsgerät - Google Patents
WäschebehandlungsgerätInfo
- Publication number
- EP3497276A1 EP3497276A1 EP17745152.3A EP17745152A EP3497276A1 EP 3497276 A1 EP3497276 A1 EP 3497276A1 EP 17745152 A EP17745152 A EP 17745152A EP 3497276 A1 EP3497276 A1 EP 3497276A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- damping
- laundry treatment
- units
- tub
- unit
- 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
Links
- 238000013016 damping Methods 0.000 claims abstract description 157
- 238000005406 washing Methods 0.000 claims abstract description 13
- 238000011144 upstream manufacturing Methods 0.000 claims description 4
- 230000001133 acceleration Effects 0.000 description 2
- 230000001419 dependent effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000003213 activating effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
- 238000009987 spinning Methods 0.000 description 1
- 238000010025 steaming Methods 0.000 description 1
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
- 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 laundry treatment appliance, in particular a washing machine or a washer-dryer, comprising a housing, a liquor container movably disposed within the housing and a laundry drum rotatably disposed within the tub around a transverse axis transverse to a vertical axis of the laundry treating appliance.
- a washing machine referred to as a front loader, comprises a housing and a tub which is movably disposed within the housing and in which a laundry drum is rotatably arranged about a transverse axis extending transversely to a vertical axis of the laundry treatment appliance.
- the laundry drum is driven directly or indirectly via a transmission element, such as a belt or a chain, by means of an electric motor which is rigidly coupled to the tub.
- the tub is suspended by spring elements within the housing and supported by a damper assembly from below against the housing. Due to the damping support of the tub within the housing is avoided that vibrations of the tub during operation of the washing machine are transmitted to the housing unattenuated. Such vibrations of the tub are generated during operation, in particular in a spin operation, the washing machine by an uneven distribution of laundry in the rotating laundry drum or a resulting imbalance.
- DE 698 29 686 T2 discloses a washing machine having a frame, a drum mounted on the frame, a spring flexibly holding the drum relative to the frame, an adjustable device with controllable dampers connected between the frame and the drum , and a controller for activating the regulatable device for generating a high attenuation state for a predetermined state of the drum.
- An object of the invention is to reduce the operational noise of a laundry treatment appliance.
- a laundry treatment appliance in particular a washing machine or a washer-dryer, comprises a housing, a washing tub arranged movably within the housing and a washing drum which is rotatably arranged within the washing tub about a transverse axis running transversely to a vertical axis of the laundry treating appliance.
- the tub is supported by at least two mutually spaced with respect to the transverse axis adjacent damping units, of which at least one damping unit has an adjustable damping property, and at least one with respect to the transverse axis offset relative to the adjacent damping units arranged further damping unit with constant damping property relative to the housing.
- the tub is supported via a damper assembly relative to the housing, wherein at least one damping unit with adjustable damping property is combined with at least one damping unit with a constant, that is not adjustable damping property.
- the tub is supported on one side via at least one damping unit with adjustable damping property and on the other side exclusively via one or more damping units with constant damping property relative to the housing.
- the damper assembly according to the invention can thus be optimally adapted to the particular application by the choice of the type of damping units used in each case to reduce the operational noise of the laundry treatment device as far as possible.
- the inventive arrangement of adjustable damping units on only one side of the tub is less expensive to implement than a damping arrangement in which all damping units are equipped with an adjustable damping property.
- the at least one damping unit with adjustable damping or damping force can be controlled such that with this damping unit at speeds of the laundry drum, where no resonance vibrations occur, a lower damping force and in at least one speed range in which resonant vibrations occur, generates a higher damping force.
- this damping unit at speeds of the laundry drum, where no resonance vibrations occur, a lower damping force and in at least one speed range in which resonant vibrations occur, generates a higher damping force.
- the tub is coupled at a given during a spin cycle maximum speed of the laundry drum with a high damping force to the housing, which would be associated with a high noise.
- the damping unit with adjustable damping force optimally adapted to the respective vibration condition of the tub damping force can be generated.
- the setting of the damping force of the adjustable damping unit can be carried out as a function of a currently detected via a vibration sensor of the laundry treatment device vibration state of the tub, the vibration state can preferably be detected by means of a position-speed or acceleration detection sensor that detects the position, speed, or acceleration of the tub , Alternatively, for example, speeds at which a vibration resonance occurs, determined in advance empirically and taken into account in the context of a timing of a treatment program and used to control the adjustable damping unit.
- the adjustable damping unit can be, for example, a magnetorheological damping unit whose damping characteristic or damping force can be set by generating a magnetic field.
- the housing is the device housing of the laundry treatment device.
- a damping unit may be supported on a side wall, a rear wall, a front wall, on which a loading opening is formed, or a bottom of the housing.
- the tub is movably disposed within the housing such that it is mechanically decoupled from the housing to a certain extent.
- the tub can be suspended in addition via spring elements on a side wall, the rear wall, the front wall or a ceiling of the housing.
- the transverse axis, about which the laundry drum is rotatably arranged in the tub, can in particular run perpendicular to the vertical axis of the laundry treatment appliance or horizontally.
- Such a configuration is given in particular in a laundry treatment device in the form of a front loader, which has a substantially horizontal drum rotation axis.
- the invention is also applicable to laundry treatment machines with a relative to the horizontal plane inclined drum rotation axis.
- That the adjacent damping units are spaced apart from each other with respect to the transverse axis means that one of these damping units is located closer to a front wall of the housing and the other damping unit is closer to the rear wall of the housing.
- the adjacent damping units can attack at the same height or at different heights on the tub. It is also possible for two or all adjacent damping units to have an adjustable damping property.
- the further damping unit is arranged offset in relation to the transverse axis and thus with respect to the jacket of the laundry drum to the adjacent damping units.
- the fact that the further damping unit has a constant damping characteristic means that the damping property or damping force of the further damping unit is not adjustable and remains substantially the same under load.
- the laundry treatment appliance can also have two or more damping units with a constant damping characteristic, which are arranged correspondingly circumferentially offset from the adjacent damping units.
- each of the adjacent damping units comprises an adjustable damping characteristic.
- the maintenance of a damping unit with a constant damping characteristic reduces the risk of the tub being absorbed within the resonance or in the supercritical range when the adjustable damping unit is switched off or if there is a loss of power.
- the further damping unit engages centrally on the tub. In this way, the further damping unit can allow rotations of the tub around the transverse axis and the vertical axis, which can be compensated or compensated by the at least one adjustable damping unit on the other side of the tub.
- the adjacent damping units are arranged upstream of a further rotation of the laundry drum during a spin operation of the further damping unit such that a portion of the rotating laundry drum passing the adjacent damper units passes the further damper unit at a later pass time without passing through Meanwhile, between the Passierzeitticianen to reach a height of the transverse axis.
- the adjacent damping units are arranged on the left side of the tub.
- the adjacent steaming units are arranged on the right-hand side of the washing tub.
- at least one damping unit is adjustable.
- the laundry treatment device comprises at least one electronic unit for controlling the at least one damping unit with adjustable damping property.
- the electronics unit can be realized by a device electronics or arranged separately from it.
- the electronic unit may be connected to a vibration electronics of the laundry treatment appliance for detecting a current state of vibration of the tub and to control the adjustable damping unit in response to signals of the vibration sensor.
- the adjustable and non-adjustable damping units can be designed as a linear damper as well as a rotary damper. Furthermore, in one Laundry treatment unit linear and rotary damper are combined.
- the adjustable damping units can be designed as rotational dampers and the non-adjustable as linear dampers or the adjustable damping units as a linear damper and the non-adjustable damping units as a rotary damper. This has the particular advantage of being able to adapt the damping arrangement even more optimized to the vibration behavior of the tub within the laundry treatment appliance, since linear damper and rotary damper have their damping effect in different directions.
- the invention is not limited to the specified combination of the features of the independent claim and the dependent claims.
- FIG. 1 is a schematic plan view of an embodiment of an open laundry treating appliance according to the invention
- FIG. 2 shows a schematic front view of a further exemplary embodiment of an opened laundry treatment appliance according to the invention.
- the laundry treatment appliance 1 comprises a housing 2, a tub 3 movably arranged inside the housing 2, and a laundry drum 4, which is arranged rotatably within the tub 3 around a transverse axis 5 extending transversely to a vertical axis of the laundry treatment appliance 1.
- the tub 3 is supported by only two with respect to the transverse axis 5 spaced from each other adjacent damping units 6 with adjustable damping characteristic and exclusively with respect to the transverse axis 5 circumferentially offset to the adjacent damping units 6 arranged further damping unit 7 with constant damping property relative to the housing 2.
- the further damping unit 7 engages the middle of the tub 3.
- the two adjacent damping units 6 are arranged in such a way upstream of a further rotation of the laundry drum 4 during a spin operation of the further damping unit 7, that the adjacent damper units 6 passes at a Passierzeittician portion of the rotating laundry drum 4, the further damping unit 7 at a later Passierzeit Vietnamese without In the meantime between the Passierzeitticianen a height of the transverse axis 5 to achieve.
- This feature will be more clearly understood in the context of the following description of FIG. 2.
- FIG. 2 shows a schematic front view of a further exemplary embodiment of an opened laundry treatment appliance 11 according to the invention.
- the laundry treatment appliance 1 1 comprises a housing 12, a tub 13 movably arranged inside the housing 12 and a laundry drum 14 which is rotatably arranged within the tub 13 around a transverse axis 15 running transversely to a vertical axis of the laundry treatment appliance 11.
- the tub 13 is supported by only two with respect to the transverse axis 15 spaced from each other adjacent damping units 16 with adjustable damping property and exclusively with respect to the transverse axis 15 circumferentially offset to the adjacent damping units 16 arranged further damping unit 17 with constant damping property relative to the housing 12.
- the further damping unit 17 engages the center of the tub 13. 2, only one of the adjustable damping units 16 is shown, behind which the further adjustable damping unit 16 is arranged concealed.
- the two adjacent damping units 16 are arranged upstream of a further rotation of the laundry drum 14 during a spin operation of the further damping unit 17 such that a portion of the rotating laundry drum 14 passing the adjacent damping units 16 passes the further damping unit 17 at a later pass time, without in the meantime to reach a height of the transverse axis 15 between the Passierzeitticianen.
- the laundry treatment device 1 1 further comprises an electronic unit 18 for driving the two damping units 16 with adjustable damping property.
- damping units 6, 7, 16 and 17 shown in Figures 1 and 2 are designed as a linear damper.
- the adjustable damping units 6, 16 and / or the other non-adjustable damping units 7, 17 may be designed as a rotary damper.
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Main Body Construction Of Washing Machines And Laundry Dryers (AREA)
- Fluid-Damping Devices (AREA)
Abstract
Description
Claims
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PL17745152T PL3497276T3 (pl) | 2016-08-10 | 2017-07-18 | Urządzenie do przetwarzania prania |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102016214821.4A DE102016214821A1 (de) | 2016-08-10 | 2016-08-10 | Wäschebehandlungsgerät |
PCT/EP2017/068112 WO2018028951A1 (de) | 2016-08-10 | 2017-07-18 | Wäschebehandlungsgerät |
Publications (2)
Publication Number | Publication Date |
---|---|
EP3497276A1 true EP3497276A1 (de) | 2019-06-19 |
EP3497276B1 EP3497276B1 (de) | 2020-12-02 |
Family
ID=59409321
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP17745152.3A Active EP3497276B1 (de) | 2016-08-10 | 2017-07-18 | Wäschebehandlungsgerät |
Country Status (5)
Country | Link |
---|---|
EP (1) | EP3497276B1 (de) |
CN (1) | CN109477277B (de) |
DE (1) | DE102016214821A1 (de) |
PL (1) | PL3497276T3 (de) |
WO (1) | WO2018028951A1 (de) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102018211772A1 (de) | 2018-07-16 | 2020-01-16 | BSH Hausgeräte GmbH | Schwingungsdämpfungssystem und Gerät zum Behandeln von Wäsche |
DE102018211774A1 (de) | 2018-07-16 | 2020-01-16 | BSH Hausgeräte GmbH | Schwingungsdämpfungssystem und Gerät zum Behandeln von Wäsche |
DE102018211769A1 (de) | 2018-07-16 | 2020-01-16 | BSH Hausgeräte GmbH | Schwingungsdämpfungssystem und Gerät zum Behandeln von Wäsche |
DE102018211770A1 (de) | 2018-07-16 | 2020-01-16 | BSH Hausgeräte GmbH | Schwingungsdämpfungssystem und Gerät zum Behandeln von Wäsche |
DE102019212954A1 (de) * | 2019-08-28 | 2021-03-04 | BSH Hausgeräte GmbH | Wäschepflegegerät mit einer Riemenscheibe |
WO2021078395A1 (en) * | 2019-10-25 | 2021-04-29 | Electrolux Professional S.P.A. | Washing machine comprising a vibration absorber arrangement and a control method using said vibration absorber arrangement |
Family Cites Families (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1252618B (de) * | 1962-04-21 | 1967-10-26 | Suspa Federungstech | Waschmaschine mit schleudergang |
US6394239B1 (en) | 1997-10-29 | 2002-05-28 | Lord Corporation | Controllable medium device and apparatus utilizing same |
KR100565659B1 (ko) * | 2004-02-23 | 2006-03-30 | 엘지전자 주식회사 | 세탁기의 댐퍼 및 그 제어방법 |
US7900754B2 (en) * | 2004-03-25 | 2011-03-08 | Lord Corporation | Rotating tub washer binary damper system |
CN1683656A (zh) * | 2004-04-12 | 2005-10-19 | 乐金电子(天津)电器有限公司 | 滚筒洗衣机的阻尼组件 |
JP4893504B2 (ja) | 2007-06-29 | 2012-03-07 | パナソニック株式会社 | 洗濯機 |
US20110023554A1 (en) * | 2009-07-31 | 2011-02-03 | Bsh Home Appliances Corporation | Damping system for a household appliance |
KR20110033412A (ko) * | 2009-09-25 | 2011-03-31 | 주식회사 대우일렉트로닉스 | 드럼세탁기의 가변형 댐퍼장치 |
US20110149230A1 (en) * | 2009-12-17 | 2011-06-23 | Menezes Edgar V | Stabilization of contact lenses |
DE102010013386A1 (de) * | 2010-03-30 | 2011-10-06 | Emz-Hanauer Gmbh & Co. Kgaa | Vorrichtung zum Erfassen der Relativposition eines lageveränderlichen Bauteils relativ zu einem Referenzbauteil eines Wäschebehandlungsgeräts sowie entsprechendes Wäschebehandlungsgerät |
WO2011149230A2 (ko) * | 2010-05-28 | 2011-12-01 | 주식회사 썬 프레인 코 | 엠알유체댐퍼 및 그 의 조립방법 |
JP6223655B2 (ja) * | 2011-11-29 | 2017-11-01 | 東芝ライフスタイル株式会社 | ドラム式洗濯機 |
EP2843097B1 (de) * | 2013-08-27 | 2016-12-28 | Panasonic Corporation | Frontlader-Waschmaschine |
ES2539434B1 (es) | 2013-12-28 | 2016-06-23 | Bsh Electrodomésticos España, S.A. | Conjunto de máquinas de lavado |
-
2016
- 2016-08-10 DE DE102016214821.4A patent/DE102016214821A1/de active Pending
-
2017
- 2017-07-18 PL PL17745152T patent/PL3497276T3/pl unknown
- 2017-07-18 WO PCT/EP2017/068112 patent/WO2018028951A1/de unknown
- 2017-07-18 EP EP17745152.3A patent/EP3497276B1/de active Active
- 2017-07-18 CN CN201780045010.9A patent/CN109477277B/zh active Active
Also Published As
Publication number | Publication date |
---|---|
CN109477277A (zh) | 2019-03-15 |
DE102016214821A1 (de) | 2018-02-15 |
CN109477277B (zh) | 2021-07-27 |
PL3497276T3 (pl) | 2021-06-14 |
EP3497276B1 (de) | 2020-12-02 |
WO2018028951A1 (de) | 2018-02-15 |
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