EP2092107B1 - Household appliance having a collecting apparatus for leakage water - Google Patents

Household appliance having a collecting apparatus for leakage water Download PDF

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Publication number
EP2092107B1
EP2092107B1 EP07820943A EP07820943A EP2092107B1 EP 2092107 B1 EP2092107 B1 EP 2092107B1 EP 07820943 A EP07820943 A EP 07820943A EP 07820943 A EP07820943 A EP 07820943A EP 2092107 B1 EP2092107 B1 EP 2092107B1
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EP
European Patent Office
Prior art keywords
water
collecting device
domestic appliance
float
leakage
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
EP07820943A
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German (de)
French (fr)
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EP2092107A1 (en
Inventor
Edwin Bolduan
Alexander Schlitzer
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BSH Hausgeraete GmbH
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BSH Bosch und Siemens Hausgeraete GmbH
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Publication of EP2092107A1 publication Critical patent/EP2092107A1/en
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Publication of EP2092107B1 publication Critical patent/EP2092107B1/en
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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
    • 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
    • D06F39/081—Safety arrangements for preventing water damage
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L15/00—Washing or rinsing machines for crockery or tableware
    • A47L15/42—Details
    • A47L15/421—Safety arrangements for preventing water damage
    • A47L15/4212—Detection of water leaks; Collection of leaked water, e.g. in the casing

Definitions

  • the invention relates to a domestic appliance for the care of laundry items, in particular a washing machine or a washer-dryer, with a collecting device for leakage water arranged at the bottom of the domestic appliance, and a float arranged in the collecting device, which is formed depending on the water level in the collecting device for making electrical contact with a switch is.
  • a domestic appliance with a corresponding overflow device and a so-called Aquastoppschafter with which a shut-off valve in the fresh water supply line can be acted upon in its closed position, when a certain amount of water leakage has accumulated in the collector and the float rises to trigger this Aquastoppschafter is from the DE 199 36 420 B4 known.
  • the functionality, in particular the Aquastoppfunktion, the float can be affected.
  • a domestic appliance is designed for the care of laundry items and comprises a collecting device for leakage water, which is arranged at the bottom of the domestic appliance.
  • the domestic appliance comprises at least one float, which is arranged in the collecting device for leakage water.
  • This float is designed so that it is formed depending on the water level in the collecting device for making electrical contact with a switch of the household appliance. Especially this switch is connected via a switching circuit so that a shut-off valve of a fresh water supply line for the domestic appliance can be acted upon in its closed position.
  • the float is arranged in a first subregion of the collecting device, which first subregion is delimited by a water stowage wall from a second subregion of the collecting device.
  • the collecting device can be separated into at least two subregions and the float can be improved in its functionality, because a gluing or calcification of the float due to a collecting below the float, relatively small amount of water leakage can be prevented.
  • the water-retaining wall is integrated into the collecting device. Due to the integral design a simple production is possible, whereby a cost reduction can be achieved. In addition, a mechanically stable arrangement can be created by the integral design of this water-retaining wall in the collecting device.
  • the household appliance preferably comprises a device for collecting water running down above the device and for passing the water into the collecting device.
  • This device is formed at least partially made of plastic.
  • a relatively lightweight element can be created, which can also be manufactured inexpensively beyond.
  • the device may be formed as an injection molded part. Due to the design of plastic beyond a low-wear component can be provided because water can not attack the plastic material.
  • the device is designed or arranged such that the collected water can be introduced into the second partial area, in particular exclusively into the second partial area, of the collecting device.
  • the collected water can be introduced into the second partial area, in particular exclusively into the second partial area, of the collecting device.
  • the water-retaining wall is preferably designed such that the water collected in the second partial area then flows over this water-retaining wall and reaches the first partial area of the collecting device.
  • the water-retaining wall is preferably arcuate or at least partially arcuate.
  • the water-retaining wall has a height between about 3mm and 10mm, in particular around 5mm.
  • the baffle wall has a height which is smaller than a lateral boundary wall of the collecting device. This ensures that initially a certain amount of leakage water is collected in the second sub-area and only when this amount is sufficient to the effect that sticking or calcification of the float can be prevented in the first sub-area preferably flows over the water-retaining wall , but still overflowing the collection device is prevented. An escape of collected leak water from the collector addition can be avoided. Damage or impairment of the function of the domestic appliance by overflowing of the leak water can also be prevented.
  • the water-retaining wall over its entire length to a substantially same height.
  • a uniform overflow can be ensured.
  • the water-retaining wall over its entire length at least partially has different heights.
  • the water-retaining wall can thus be designed individually depending on demand and depending on the respective required construction of the household appliance.
  • FIG. 1 Parts of a housing of a trained as a washing machine 1 home appliance for the care of laundry items are shown.
  • the washing machine 1 comprises side walls 2 and 3 and a bottom element 4.
  • a collecting device 5 is formed for leakage water.
  • the collecting device 5 is formed by a depression in the bottom element 4 and therefore forms a kind of reservoir.
  • the collecting device 5 is bounded by side walls 51.
  • the collecting device 5 comprises a water-retaining wall 52, which is integrated in the bottom element 4 and thus also in the collecting device 5.
  • the water baffle 52 is formed in the embodiment arcuate and adjacent to the side wall 51 of the collecting device 5 at.
  • the water baffle 52 is formed as a raised structure and thus extends upward.
  • the collecting device 5 is divided into a first portion 5a and a second portion 5b.
  • a conical positioning structure 53 is formed in the first subregion 5a, which is intended for receiving a float 81, see: Fig. 5 is trained.
  • This float 81 is placed on this positioning structure, so to speak, so that the float 81 can only move vertically upwards or downwards depending on the water level in the collecting device 5 and in particular the first part region 5a, but is essentially not movable in the horizontal plane.
  • Fig. 2 is a perspective view of a portion of the in Fig. 1 shown housing the washing machine 1 shown.
  • a first channel 6 is arranged, which is formed in the embodiment of plastic.
  • This first channel 6 is designed for collecting water running down above the channel 6 and for forwarding the water into the collecting device 5 for leak water. Leakage water can occur in the washing machine 1 when a failure in the control and / or a mechanical failure occurs in which parts of the washing machine 1 are leaking.
  • leaks in the water supply system or from connections of flexible water pipes to any hard connection nozzles on water-carrying containers or connections of sensors or actuators on the tub or other water-carrying containers within the washing machine can lead to the occurrence of leaking water.
  • leaks on the housing of the washing machine 1 which occur mainly on the front outside of the washing machine 1 in question, lead to leakage water outlet.
  • leaks can occur, for example, on rubber sleeves, which connects the charging opening in the housing of a front-loading machine 1 with an opening behind the swinging tub suspended therefrom.
  • water leaks from a front wall opening for a Waschstoffein Whyschale the washing machine 1 can lead to leaking water.
  • the leaking or running on the channel 6 or leakage water is passed through beak-like projections 61 and 62 in a water supply system, which includes depressions in the bottom element 4 to the collection device 5.
  • This guide system in the bottom element 4 is designed such that the collected water is conducted exclusively into the second sub-area 5b of the collecting device 5.
  • Fig. 3 is a perspective view of another partial section of the washing machine 1 is shown. This detail shows the configuration at the transition between the side wall 3 and the bottom element 4 and thus on the opposite side to the representation in Fig. 2 ,
  • a second channel 7 is arranged, which is also formed of plastic.
  • the second channel 7 is formed substantially corresponding to the first channel 6 and comprises a beak-like projection 71. About this projection 71, the collected water is also passed into the second portion 5 b of the collecting device 5.
  • a switch 8 is arranged on a base 72, which is also made of plastic and is connected to the channel 7.
  • This switch 8 allows for an electrical contact with the float 81, not shown, see. Fig. 5 , which is arranged below the base 72, to act on a circuit, not shown, a shut-off valve in its closed position to interrupt the further supply of water via a domestic water network to the washing machine 1. This can ensure the Aquastop functionality.
  • the float 81 arranged underneath the base 72 is thus located in the first subregion 5a of the collecting device 5.
  • the water blocking wall 52 prevents leakage water collected in the second subregion 5b from entering the first subregion 5a even in initially small amounts and there passes to the float 81, whereby this can stick or calcify at these small amounts of water leakage.
  • the height of this water baffle 52 is about 5mm and is lower than the height of the side wall 51 of the collector 5.
  • the water baffle 52 is formed over its entire arcuate length with substantially the same height. The leak water located and collected in the second sub-area 5b is dammed up to the height of this water-retaining wall 52 and can only then overflow the water-retaining wall 52 and reach the first sub-area 5a.
  • Fig. 4 and Fig. 5 is a sectional view along the section line AA according to Fig. 3 shown.
  • Fig. 4 shows only the base 72, Fig. 5 in addition, the float 81 positioned under the base 72.
  • This float 81 is a flat cylinder, which consists of a lightweight, in particular foamed, plastic floating on water and which sits loosely on the positioning structure 53 with a corresponding recess.

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Detail Structures Of Washing Machines And Dryers (AREA)
  • Examining Or Testing Airtightness (AREA)
  • Main Body Construction Of Washing Machines And Laundry Dryers (AREA)
  • Domestic Plumbing Installations (AREA)
  • Sampling And Sample Adjustment (AREA)

Abstract

The invention relates to a home appliance 1 for care of laundry items, with a collection facility 5 for leakage water arranged on the floor 4 of the home appliance 1 and a float 81 arranged in the collection facility 5, which, depending on the water level W in the collection facility 5, is embodied for electrical contacting of a switch 8, with the float 81 being arranged in a first subarea 5a of the collection facility 5 which is separated by a water-retaining wall 52 from a second partial area 5b of the collection facility 5.

Description

Die Erfindung betrifft ein Hausgerät zur Pflege von Wäschestücken, insbesondere eine Waschmaschine oder einen Waschtrockner, mit einer am Boden des Hausgeräts angeordneten Sammelvorrichtung für Leckwasser, und einem in der Sammelvorrichtung angeordneten Schwimmer, welcher abhängig von dem Wasserstand in der Sammelvorrichtung zur elektrischen Kontaktierung eines Schalters ausgebildet ist.The invention relates to a domestic appliance for the care of laundry items, in particular a washing machine or a washer-dryer, with a collecting device for leakage water arranged at the bottom of the domestic appliance, and a float arranged in the collecting device, which is formed depending on the water level in the collecting device for making electrical contact with a switch is.

Ein Hausgerät mit einer entsprechenden Überlaufeinrichtung und einem so genannten Aquastoppschafter, mit welchem ein Absperrventil in der Frischwasser-Zuführleitung in seine Schließstellung beaufschlagbar ist, wenn sich eine bestimmte Menge an Leckwasser in der Sammelvorrichtung gesammelt hat und der Schwimmer ansteigt, um diesen Aquastoppschafter auszulösen, ist aus der DE 199 36 420 B4 bekannt.A domestic appliance with a corresponding overflow device and a so-called Aquastoppschafter with which a shut-off valve in the fresh water supply line can be acted upon in its closed position, when a certain amount of water leakage has accumulated in the collector and the float rises to trigger this Aquastoppschafter is from the DE 199 36 420 B4 known.

Ein weiteres Hausgerät zur Pflege von Wäschestücken mit einer am Boden des Hausgeräts angeordneten Sammelvorrichtung ist auch in US 2004/0163185 A1 offenbartAnother household appliance for the care of laundry with a arranged at the bottom of the household appliance collecting device is also in US 2004/0163185 A1 disclosed

Ein Problem, welches bei einem bekannten gattungsgemäßen Hausgerät auftreten kann, ist dadurch gegeben, dass bei relativ geringen Mengen an Leckwasser sich dieses unterhalb des Schwimmers sammeln und zum Verkleben oder Verkalken des Schwimmers führen kann. Die Funktionalität, insbesondere die Aquastoppfunktion, des Schwimmers kann dadurch beeinträchtigt werden.A problem that can occur in a known generic household appliance, is given by the fact that at relatively low amounts of water leakage, this collect below the float and can lead to sticking or calcification of the float. The functionality, in particular the Aquastoppfunktion, the float can be affected.

Daher ist es Aufgabe der vorliegenden Erfindung, ein Hausgerät zur Pflege von Wäschestücken zu schaffen, bei welchem ein derartiges Funktionshindemis ausgeschlossen ist.It is therefore an object of the present invention to provide a domestic appliance for the care of items of laundry, in which such Funktionshindemis is excluded.

Diese Aufgabe wird durch ein Hausgerät, welches die Merkmale nach Patentanspruch 1 aufweist, gelöst.This object is achieved by a domestic appliance having the features of claim 1.

Ein erfindungsgemäßes Hausgerät ist zur Pflege von Wäschestücken ausgebildet und umfasst eine Sammelvorrichtung für Leckwasser, welche am Boden des Hausgeräts angeordnet ist Darüber hinaus umfasst das Hausgerät zumindest einen Schwimmer, welcher in der Sammelvorrichtung für Leckwasser angeordnet ist. Dieser Schwimmer ist so ausgebildet, dass er abhängig von dem Wasserstand in der Sammelvorrichtung zur elektrischen Kontaktierung eines Schalters des Hausgeräts ausgebildet ist. Insbesondere ist dieser Schalter über einen Schaltkreislauf so geschaltet, dass ein Absperrventil einer Frischwasser-Zuführleitung für das Hausgerät in seine Schließstellung beaufschlagbar ist. Der Schwimmer ist in einem ersten Teilbereich der Sammelvorrichtung angeordnet, welcher erste Teilbereich durch eine Wasser-Stauwand von einem zweiten Teilbereich der Sammelvorrichtung abgegrenzt ist.A domestic appliance according to the invention is designed for the care of laundry items and comprises a collecting device for leakage water, which is arranged at the bottom of the domestic appliance. In addition, the domestic appliance comprises at least one float, which is arranged in the collecting device for leakage water. This float is designed so that it is formed depending on the water level in the collecting device for making electrical contact with a switch of the household appliance. Especially this switch is connected via a switching circuit so that a shut-off valve of a fresh water supply line for the domestic appliance can be acted upon in its closed position. The float is arranged in a first subregion of the collecting device, which first subregion is delimited by a water stowage wall from a second subregion of the collecting device.

Durch diese Ausgestaltung kann die Sammelvorrichtung in zumindest zwei Teilbereiche separiert werden und der Schwimmer in seiner Funktionalität verbessert werden, denn ein Verkleben oder Verkalken des Schwimmers aufgrund einer sich unterhalb des Schwimmers sammelnden, relativ geringen Leckwassermenge kann dadurch verhindert werden.With this configuration, the collecting device can be separated into at least two subregions and the float can be improved in its functionality, because a gluing or calcification of the float due to a collecting below the float, relatively small amount of water leakage can be prevented.

Bevorzugt ist die Wasser-Stauwand in die Sammelvorrichtung integriert. Durch die integrale Ausgestaltung ist eine einfache Herstellung ermöglicht, wodurch auch eine Kostenreduzierung erzielt werden kann. Darüber hinaus kann durch die integrale Ausgestaltung dieser Wasser-Stauwand in die Sammelvorrichtung auch eine mechanisch stabile Anordnung geschaffen werden.Preferably, the water-retaining wall is integrated into the collecting device. Due to the integral design a simple production is possible, whereby a cost reduction can be achieved. In addition, a mechanically stable arrangement can be created by the integral design of this water-retaining wall in the collecting device.

Bevorzugt umfasst das Hausgerät eine Einrichtung zum Auffangen von oberhalb der Einrichtung auf sie hinab laufenden Wassers und zum Weiterleiten des Wassers in die Sammelvorrichtung. Die präzise Sammlung und Einleitung des Wassers in die Sammelvorrichtung kann durch diese Einrichtung gewährleistet werden. Bevorzugt ist diese Einrichtung zumindest bereichsweise aus Kunststoff ausgebildet. Dadurch kann ein relativ leichtes Element geschaffen werden, welches darüber hinaus auch kostengünstig gefertigt werden kann. Beispielsweise kann die Einrichtung als Spritzgussteil ausgebildet sein. Durch die Ausgestaltung aus Kunststoff kann darüber hinaus auch ein verschleißarmes Bauteil bereitgestellt werden, da Wasser das Kunststoffmaterial nicht angreifen kann.The household appliance preferably comprises a device for collecting water running down above the device and for passing the water into the collecting device. The precise collection and introduction of the water into the collection device can be ensured by this device. Preferably, this device is formed at least partially made of plastic. As a result, a relatively lightweight element can be created, which can also be manufactured inexpensively beyond. For example, the device may be formed as an injection molded part. Due to the design of plastic beyond a low-wear component can be provided because water can not attack the plastic material.

Bevorzugt ist die Einrichtung so ausgebildet oder angeordnet, dass das aufgefangene Wasser in den zweiten Teilbereich, insbesondere ausschließlich in den zweiten Teilbereich, der Sammelvorrichtung einleitbar ist. Durch diese Ausgestaltung kann sichergestellt werden, dass nur in relativ geringen Mengen auftretendes Leckwasser nicht in den ersten Teilbereich gelangt und somit ein Verkleben oder Verkalken des Schwimmers zuverlässig verhindert wird. Erst dann, wenn in dem zweiten Teilbereich eine größere Menge von Leckwasser gesammelt ist und durch die Wasser-Stauwand aufgestaut ist, kann dann ein Überfließen in den ersten Teilbereich erfolgen. Bevorzugt ist die Wasser-Stauwand so ausgebildet, dass dann das im zweiten Teilbereich gesammelte Wasser über diese Wasser-Stauwand hinweg fließt und in den ersten Teilbereich der Sammelvorrichtung gelangt. Dadurch werden nur relativ große Mengen von Leckwasser in den ersten Teilbereich geleitet, die ein Verkleben oder Verkalken des Schwimmers nicht mehr bedingen.Preferably, the device is designed or arranged such that the collected water can be introduced into the second partial area, in particular exclusively into the second partial area, of the collecting device. By this configuration, it can be ensured that only occurring in relatively small amounts of leakage water does not reach the first sub-area and thus sticking or calcification of the Float reliably prevented. Only then, when in the second part of a larger amount of leakage water is collected and dammed up by the water-retaining wall, then an overflow into the first part can be done. The water-retaining wall is preferably designed such that the water collected in the second partial area then flows over this water-retaining wall and reaches the first partial area of the collecting device. As a result, only relatively large amounts of water leakage are passed into the first sub-area, which no longer require gluing or calcification of the float.

Darüber hinaus kann dadurch auch gewährleistet werden, dass eine vorzeitige Auslösung bei geringen Leckwassermengen nicht mehr erfolgt.In addition, it can also be ensured that a premature release at low amounts of water leakage no longer occurs.

Die Wasser-Stauwand ist bevorzugt bogenförmig oder zumindest bereichsweise bogenförmig ausgebildet.The water-retaining wall is preferably arcuate or at least partially arcuate.

Besonders bevorzugt erweist es sich, wenn die Wasser-Stauwand eine Höhe zwischen etwa 3mm und 10mm, insbesondere um 5mm, aufweist. Die Stauwand weist eine Höhe auf, welche kleiner als eine seitliche Begrenzungswand der Sammelvorrichtung ausgebildet ist. Dadurch ist gewährleistet, dass zunächst eine bestimmte Menge an Leckwasser in dem zweiten Teilbereich gesammelt wird und erst dann, wenn diese Menge dahingehend ausreichend ist, dass ein Verkleben oder Verkalken des Schwimmers verhindert werden kann, in den ersten Teilbereich bevorzugt über die Wasser-Stauwand überfließt, aber dennoch ein Überlaufen der Sammelvorrichtung verhindert wird. Ein Austritt von gesammeltem Leckwasser aus der Sammelvorrichtung hinaus kann dadurch vermieden werden. Beschädigungen oder Beeinträchtigungen der Funktion des Hausgeräts durch Überlaufen des Leckwassers können dadurch ebenfalls verhindert werden.It is particularly preferred if the water-retaining wall has a height between about 3mm and 10mm, in particular around 5mm. The baffle wall has a height which is smaller than a lateral boundary wall of the collecting device. This ensures that initially a certain amount of leakage water is collected in the second sub-area and only when this amount is sufficient to the effect that sticking or calcification of the float can be prevented in the first sub-area preferably flows over the water-retaining wall , but still overflowing the collection device is prevented. An escape of collected leak water from the collector addition can be avoided. Damage or impairment of the function of the domestic appliance by overflowing of the leak water can also be prevented.

Bevorzugt weist die Wasser-Stauwand über ihre gesamte Länge eine im Wesentlichen gleiche Höhe auf. Dadurch kann einerseits ein gleichmäßiges Überlaufen gewährleistet werden. Es kann jedoch auch vorgesehen sein, dass die Wasser-Stauwand über ihre gesamte Länge zumindest bereichsweise unterschiedliche Höhe aufweist. Die Wasser-Stauwand kann somit bedarfsabhängig und abhängig von der jeweils erforderlichen Konstruktion des Hausgeräts individuell ausgebildet werden.Preferably, the water-retaining wall over its entire length to a substantially same height. As a result, on the one hand a uniform overflow can be ensured. However, it can also be provided that the water-retaining wall over its entire length at least partially has different heights. The water-retaining wall can thus be designed individually depending on demand and depending on the respective required construction of the household appliance.

Ein Ausführungsbeispiel der Erfindung wird nachfolgend anhand der schematischen Zeichnung näher erläutert. Es zeigen:

Fig. 1
eine perspektivische Darstellung von Gehäuseteilen eines Hausgeräts;
Fig. 2
einen perspektivischen Teilausschnitt eines Hausgeräts;
Fig. 3
einen weiteren perspektivischen Teilausschnitt eines Hausgeräts; und
Fig. 4 und Fig. 5
jeweils eine Schnittdarstellung durch den Teilausschnitt gemäß Fig. 3.
An embodiment of the invention will be explained in more detail with reference to the schematic drawing. Show it:
Fig. 1
a perspective view of housing parts of a household appliance;
Fig. 2
a perspective partial section of a household appliance;
Fig. 3
a further perspective partial section of a household appliance; and
4 and FIG. 5
in each case a sectional view through the partial section according to Fig. 3 ,

In den Figuren sind gleiche oder funktionsgleiche Elemente mit den gleichen Bezugszeichen versehen.In the figures, identical or functionally identical elements are provided with the same reference numerals.

In Fig. 1 sind Teile eines Gehäuses eines als Waschmaschine 1 ausgebildeten Hausgeräts zur Pflege von Wäschestücken gezeigt. Die Waschmaschine 1 umfasst Seitenwände 2 und 3 sowie ein Bodenelement 4.In Fig. 1 Parts of a housing of a trained as a washing machine 1 home appliance for the care of laundry items are shown. The washing machine 1 comprises side walls 2 and 3 and a bottom element 4.

In dem Bodenelement 4 ist eine Sammelvorrichtung 5 für Leckwasser ausgebildet. Wie in Fig. 1 zu erkennen ist, ist die Sammelvorrichtung 5 durch eine Vertiefung in dem Bodenelement 4 ausgebildet und bildet daher eine Art Sammelbecken. Die Sammelvorrichtung 5 ist durch Seitenwände 51 begrenzt.In the bottom element 4, a collecting device 5 is formed for leakage water. As in Fig. 1 can be seen, the collecting device 5 is formed by a depression in the bottom element 4 and therefore forms a kind of reservoir. The collecting device 5 is bounded by side walls 51.

Darüber hinaus umfasst die Sammelvorrichtung 5 eine Wasser-Stauwand 52, welche in das Bodenelement 4 und somit auch in die Sammelvorrichtung 5 integriert ist. Die Wasser-Stauwand 52 ist im Ausführungsbeispiel bogenförmig ausgebildet und grenzt an die Seitenwand 51 der Sammelvorrichtung 5 an. Die Wasser-Stauwand 52 ist als erhabene Struktur ausgebildet und erstreckt sich somit nach oben.In addition, the collecting device 5 comprises a water-retaining wall 52, which is integrated in the bottom element 4 and thus also in the collecting device 5. The water baffle 52 is formed in the embodiment arcuate and adjacent to the side wall 51 of the collecting device 5 at. The water baffle 52 is formed as a raised structure and thus extends upward.

Durch diese Wasser-Stauwand 52 ist die Sammelvorrichtung 5 in einen ersten Teilbereich 5a und einen zweiten Teilbereich 5b aufgeteilt. In dem ersten Teilbereich 5a ist des Weiteren eine kegelförmige Positionierstruktur 53 ausgebildet, welche zur Aufnahme eines Schwimmers 81, vgl: Fig: 5 ausgebildet ist. Dieser Schwimmer 81 wird quasi auf diese Positionierstruktur 53 aufgesetzt, so dass sich der Schwimmer 81 abhängig vom Wasserstand in der Sammelvorrichtung 5 und insbesondere dem ersten Teilbereich 5a lediglich vertikal nach oben oder nach unten bewegen kann, aber in horizontaler Ebene im Wesentlichen nicht bewegbar ist.By this water-stowage wall 52, the collecting device 5 is divided into a first portion 5a and a second portion 5b. In addition, a conical positioning structure 53 is formed in the first subregion 5a, which is intended for receiving a float 81, see: Fig. 5 is trained. This float 81 is placed on this positioning structure, so to speak, so that the float 81 can only move vertically upwards or downwards depending on the water level in the collecting device 5 and in particular the first part region 5a, but is essentially not movable in the horizontal plane.

In Fig. 2 ist eine perspektivische Darstellung eines Teilbereichs des in Fig. 1 gezeigten Gehäuses der Waschmaschine 1 dargestellt. Im Bereich der Seitenwand 2 und des Bodenelements 4 ist eine erste Rinne 6 angeordnet, welche im Ausführungsbeispiel aus Kunststoff ausgebildet ist. Diese erste Rinne 6 ist zum Auffangen von oberhalb der Rinne 6 auf sie hinab laufenden Wassers und zum Weiterleiten des Wassers in die Sammelvorrichtung 5 für Leckwasser ausgebildet. Leckwasser kann in der Waschmaschine 1 auftreten, wenn eine Störung in der Steuerung und/oder eine mechanische Störung auftritt, bei der Teile der Waschmaschine 1 undicht werden. Beispielsweise können dabei Undichtigkeiten des Wasserzulaufsystems oder von Anschlüssen von flexiblen Wasserleitungen an irgendwelchen harten Anschlussstutzen an Wasser führenden Behältern oder von Anschlüssen von Sensoren oder Aktoren am Laugenbehälter oder anderen Wasser führenden Behältern innerhalb der Waschmaschine zum Auftreten von Leckwasser führen.In Fig. 2 is a perspective view of a portion of the in Fig. 1 shown housing the washing machine 1 shown. In the region of the side wall 2 and the bottom element 4, a first channel 6 is arranged, which is formed in the embodiment of plastic. This first channel 6 is designed for collecting water running down above the channel 6 and for forwarding the water into the collecting device 5 for leak water. Leakage water can occur in the washing machine 1 when a failure in the control and / or a mechanical failure occurs in which parts of the washing machine 1 are leaking. For example, leaks in the water supply system or from connections of flexible water pipes to any hard connection nozzles on water-carrying containers or connections of sensors or actuators on the tub or other water-carrying containers within the washing machine can lead to the occurrence of leaking water.

Darüber hinaus können Undichtigkeiten am Gehäuse der Waschmaschine 1; die vor allem an der vorderen Außenseite der betreffenden Waschmaschine 1 in Erscheinung treten, zu Leckwasseraustritt führen. Derartige Undichtigkeiten können beispielsweise an Gummimanschetten, welche die Beschickungsöffnung im Gehäuse einer von vorn beschickbaren Waschmaschine 1 mit einer dahinter liegenden Öffnung des schwingend aufgehängten Laugenbehälters verbindet, auftreten. Des Weiteren können Wasseraustritte aus einer Vorderwand-Öffnung für eine Waschmitteleinspülschale der Waschmaschine 1 zu Leckwasser führen.In addition, leaks on the housing of the washing machine 1; which occur mainly on the front outside of the washing machine 1 in question, lead to leakage water outlet. Such leaks can occur, for example, on rubber sleeves, which connects the charging opening in the housing of a front-loading machine 1 with an opening behind the swinging tub suspended therefrom. Furthermore, water leaks from a front wall opening for a Waschmitteleinspülschale the washing machine 1 can lead to leaking water.

Das auf die Rinne 6 tropfende beziehungsweise laufende Leckwasser wird über schnabelartige Vorsprünge 61 und 62 in ein Wasserleitsystem, welches Vertiefungen im Bodenelement 4 umfasst, zur Sammelvorrichtung 5 geleitet. Dieses Leitsystem im Bodenelement 4 ist so ausgebildet, dass das gesammelte Wasser ausschließlich in den zweiten Teilbereich 5b der Sammelvorrichtung 5 geleitet wird.The leaking or running on the channel 6 or leakage water is passed through beak-like projections 61 and 62 in a water supply system, which includes depressions in the bottom element 4 to the collection device 5. This guide system in the bottom element 4 is designed such that the collected water is conducted exclusively into the second sub-area 5b of the collecting device 5.

In Fig. 3 ist eine perspektivische Darstellung eines weiteren Teilausschnitts der Waschmaschine 1 gezeigt. Dieser Ausschnitt zeigt die Ausgestaltung am Übergang zwischen der Seitenwand 3 und dem Bodenelement 4 und somit auf der gegenüberliegenden Seite zur Darstellung in Fig. 2.In Fig. 3 is a perspective view of another partial section of the washing machine 1 is shown. This detail shows the configuration at the transition between the side wall 3 and the bottom element 4 and thus on the opposite side to the representation in Fig. 2 ,

Auch hier ist eine zweite Rinne 7 angeordnet, welche ebenfalls aus Kunststoff ausgebildet ist. Die zweite Rinne 7 ist im Wesentlichen entsprechend der ersten Rinne 6 ausgebildet und umfasst einen schnabelartigen Vorsprung 71. Über diesen Vorsprung 71 wird das aufgefangene Wasser ebenfalls in den zweiten Teilbereich 5b der Sammelvorrichtung 5 geleitet.Again, a second channel 7 is arranged, which is also formed of plastic. The second channel 7 is formed substantially corresponding to the first channel 6 and comprises a beak-like projection 71. About this projection 71, the collected water is also passed into the second portion 5 b of the collecting device 5.

Darüber hinaus ist auf einem Sockel 72, welcher ebenfalls aus Kunststoff ausgebildet ist und mit der Rinne 7 verbunden ist, ein Schalter 8 angeordnet. Dieser Schalter 8 ermöglicht nach einer elektrischen Kontaktierung mit dem nicht dargestellten Schwimmer 81, vgl. Fig. 5, welcher unterhalb des Sockels 72 angeordnet ist, über einen nicht dargestellten Schaltkreis ein Absperrventil in seine Schließstellung zu beaufschlagen, um das weitere Zuführen von Wasser über ein Hauswassernetz zur Waschmaschine 1 zu unterbrechen. Dadurch kann die Aquastoppfunktionalität gewährleistet werden.In addition, a switch 8 is arranged on a base 72, which is also made of plastic and is connected to the channel 7. This switch 8 allows for an electrical contact with the float 81, not shown, see. Fig. 5 , which is arranged below the base 72, to act on a circuit, not shown, a shut-off valve in its closed position to interrupt the further supply of water via a domestic water network to the washing machine 1. This can ensure the Aquastop functionality.

Der unter dem Sockel 72 angeordnete Schwimmer 81 befindet sich somit im ersten Teilbereich 5a der Sammelvorrichtung 5. Durch die Wasser-Stauwand 52 wird verhindert, dass in dem zweiten Teilbereich 5b gesammeltes Leckwasser auch in zunächst kleinen Mengen in den ersten Teilbereich 5a gelangen kann und dort zum Schwimmer 81 gelangt, wodurch dieser bei diesen kleinen Mengen an Leckwasser verkleben oder verkalken kann. Die Höhe dieser Wasser-Stauwand 52 beträgt etwa 5mm und ist niedriger als die Höhe der Seitenwand 51 der Sammelvorrichtung 5. Die Wasser-Stauwand 52 ist über ihre gesamte bogenförmige Länge mit im Wesentlichen gleicher Höhe ausgebildet. Das im zweiten Teilbereich 5b befindliche und gesammelte Leckwasser wird bis zur Höhe dieser Wasser-Stauwand 52 aufgestaut und kann erst dann über die Wasser-Stauwand 52 überfließen und in den ersten Teilbereich 5a gelangen. Durch diese Wasser-Stauwand 52, welche abhängig von der konstruktiven Ausgestaltung der Sammelvorrichtung 5 auch vollständig umlaufend ausgebildet ist und die Begrenzung des ersten Teilbereichs 5a darstellt, wird verhindert, dass bei geringen Mengen von Leckwasser ein ständiges Befüllen und Abtrocknen der Sammelvorrichtung 5 zu einer Verkalkung beziehungsweise Verklebung zwischen dem Schwimmer 81 und dem Bodenbereich der Sammelvorrichtung 5 und so zu einer Nichtfunktion der Aquastoppfunktionalität führen kann.The float 81 arranged underneath the base 72 is thus located in the first subregion 5a of the collecting device 5. The water blocking wall 52 prevents leakage water collected in the second subregion 5b from entering the first subregion 5a even in initially small amounts and there passes to the float 81, whereby this can stick or calcify at these small amounts of water leakage. The height of this water baffle 52 is about 5mm and is lower than the height of the side wall 51 of the collector 5. The water baffle 52 is formed over its entire arcuate length with substantially the same height. The leak water located and collected in the second sub-area 5b is dammed up to the height of this water-retaining wall 52 and can only then overflow the water-retaining wall 52 and reach the first sub-area 5a. By this water-stowage wall 52, which is also formed depending on the structural design of the collecting device 5 completely encircling and represents the boundary of the first portion 5a, it is prevented that at small amounts of water leakage a permanent Filling and drying of the collecting device 5 can lead to a calcification or bonding between the float 81 and the bottom area of the collecting device 5 and thus to a nonfunction of the Aquastoppfunktionalität.

In Fig. 4 und Fig. 5 ist eine Schnittdarstellung entlang der Schnittlinie AA gemäß Fig. 3 gezeigt. Fig. 4 zeigt nur den Sockel 72, Fig. 5 zusätzlich den unter dem Sockel 72 positionierten Schwimmer 81. Dieser Schwimmer 81 ist ein aus leichtem, insbesondere geschäumtem Kunststoff bestehender, auf Wasser aufschwimmender flacher Zylinder, welcher mit einer entsprechenden Ausnehmung auf der Positionierstruktur 53 lose aufsitzt.In Fig. 4 and Fig. 5 is a sectional view along the section line AA according to Fig. 3 shown. Fig. 4 shows only the base 72, Fig. 5 in addition, the float 81 positioned under the base 72. This float 81 is a flat cylinder, which consists of a lightweight, in particular foamed, plastic floating on water and which sits loosely on the positioning structure 53 with a corresponding recess.

In jeder dieser Schnittdarstellungen ist eine Situation gezeigt, in der in dem zweiten Teilbereich 5b Leckwasser W angesammelt ist und durch die Wasser-Stauwand 52 aufgestaut wird und vor dem Eindringen in den ersten Teilbereich 5a gehindert wird. Der auf der Positionierstruktur 53 aufsitzende Schwimmer 81 wird dadurch vor dem Unterlaufen geringer Mengen von Leckwasser geschützt und ein Verkleben und Verkalken kann dadurch verhindert werden. Steigt das Wasser weiter an, so läuft es über die Wasser-Stauwand 52 auch in den Teilbereich 5a, wodurch der Schwimmer 81 angehoben wird und den Schalter 8 (vgl. Fig. 3) irgendwann kontaktiert.In each of these sectional views, a situation is shown in which leakage water W is accumulated in the second portion 5b and is dammed up by the water stowage wall 52 and prevented from penetrating into the first portion 5a. The seated on the positioning structure 53 float 81 is thereby protected from underflowing small amounts of leakage water and sticking and calcification can be prevented. If the water continues to rise, it also flows via the water stowage wall 52 into the subregion 5a, as a result of which the float 81 is raised and the switch 8 (cf. Fig. 3 ) contacted sometime.

Claims (8)

  1. Domestic appliance (1) for care of items of laundry, comprising a collecting device (5), which is arranged at the base (4) of the domestic appliance (1), for leakage water, the device being formed by a depression in the base (4) and bounded by side walls (51), and a float (81) which is arranged in the collecting device (5) and which is constructed for electrical contact-making of a switch (8) in dependence on the water state (W) in the collecting device (5), characterised in that the float (81) is arranged in a first part region (5a) of the collecting device (5) which is bounded by a water damming wall (52) of a second part region (5b) of the collecting device (5) and that the water damming wall (52) has a height which is smaller than the height of the side walls (51) of the collecting device (5).
  2. Domestic appliance (1) according to claim 1, characterised in that the water damming wall (52) is integrated in the collecting device (5).
  3. Domestic appliance (1) according to claim 1 or 2, characterised by a device (6, 7) for collecting water which flows from above the device (6, 7) thereonto and for conducting the water on into the collecting device (5) for leakage water.
  4. Domestic appliance (1) according to claim 3, characterised in that the leakage water can be conducted exclusively into the second part region (5b) of the collecting device (5).
  5. Domestic appliance (1) according to any one of the preceding claims, characterised in that the water damming wall (52) is formed to be curved.
  6. Domestic appliance (1) according to any one of the preceding claims, characterised in that the water damming wall (52) has a height of between 3 millimetres and 10 millimetres, particularly 5 millimetres.
  7. Domestic appliance (1) according to any one of the preceding claims, characterised in that the water damming wall (52) has substantially the same height over its entire length.
  8. Domestic appliance (1) according to any one of the preceding claims, which is constructed as a washing machine (1) or as a washer-drier.
EP07820943A 2006-10-10 2007-10-04 Household appliance having a collecting apparatus for leakage water Not-in-force EP2092107B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102006047952A DE102006047952A1 (en) 2006-10-10 2006-10-10 Domestic appliance with a collecting device for leakage water
PCT/EP2007/060566 WO2008043706A1 (en) 2006-10-10 2007-10-04 Household appliance having a collecting apparatus for leakage water

Publications (2)

Publication Number Publication Date
EP2092107A1 EP2092107A1 (en) 2009-08-26
EP2092107B1 true EP2092107B1 (en) 2010-02-17

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Application Number Title Priority Date Filing Date
EP07820943A Not-in-force EP2092107B1 (en) 2006-10-10 2007-10-04 Household appliance having a collecting apparatus for leakage water

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US (1) US20100126235A1 (en)
EP (1) EP2092107B1 (en)
CN (2) CN101522978B (en)
AT (1) ATE458082T1 (en)
DE (2) DE102006047952A1 (en)
EA (1) EA014416B1 (en)
WO (1) WO2008043706A1 (en)

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CN101522978A (en) 2009-09-02
DE102006047952A1 (en) 2008-04-17
ATE458082T1 (en) 2010-03-15
EP2092107A1 (en) 2009-08-26
CN201162130Y (en) 2008-12-10
CN101522978B (en) 2011-12-14
DE502007002888D1 (en) 2010-04-01
EA200970331A1 (en) 2009-10-30
WO2008043706A1 (en) 2008-04-17
EA014416B1 (en) 2010-12-30
US20100126235A1 (en) 2010-05-27

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