EP2439326B1 - Wasserführendes Haushaltsgerät mit einem automatischen Dosiersystem sowie Verfahren zum automatischen Dosieren - Google Patents

Wasserführendes Haushaltsgerät mit einem automatischen Dosiersystem sowie Verfahren zum automatischen Dosieren Download PDF

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Publication number
EP2439326B1
EP2439326B1 EP11191928.8A EP11191928A EP2439326B1 EP 2439326 B1 EP2439326 B1 EP 2439326B1 EP 11191928 A EP11191928 A EP 11191928A EP 2439326 B1 EP2439326 B1 EP 2439326B1
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EP
European Patent Office
Prior art keywords
water
domestic appliance
conducting domestic
conveying pump
treatment agent
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.)
Active
Application number
EP11191928.8A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP2439326A3 (de
EP2439326A2 (de
Inventor
Torsten Hasse
Andre Sabalat
Ingo Schulze
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.)
BSH Hausgeraete GmbH
Original Assignee
BSH Bosch und Siemens Hausgeraete GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by BSH Bosch und Siemens Hausgeraete GmbH filed Critical BSH Bosch und Siemens Hausgeraete GmbH
Priority to PL11191928T priority Critical patent/PL2439326T3/pl
Publication of EP2439326A2 publication Critical patent/EP2439326A2/de
Publication of EP2439326A3 publication Critical patent/EP2439326A3/de
Application granted granted Critical
Publication of EP2439326B1 publication Critical patent/EP2439326B1/de
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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
    • D06F39/00—Details of washing machines not specific to a single type of machines covered by groups D06F9/00 - D06F27/00 
    • D06F39/02—Devices for adding soap or other washing agents
    • D06F39/022—Devices for adding soap or other washing agents in a liquid state
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F33/00—Control of operations performed in washing machines or washer-dryers 
    • D06F33/30—Control of washing machines characterised by the purpose or target of the control 
    • D06F33/32—Control of operational steps, e.g. optimisation or improvement of operational steps depending on the condition of the laundry
    • D06F33/37—Control of operational steps, e.g. optimisation or improvement of operational steps depending on the condition of the laundry of metering of detergents or additives
    • 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
    • D06F37/30—Driving arrangements 
    • 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 
    • D06F39/12—Casings; Tubs
    • 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
    • D06F2105/00—Systems or parameters controlled or affected by the control systems of washing machines, washer-dryers or laundry dryers
    • D06F2105/42—Detergent or additive supply

Definitions

  • the present invention relates to a water-conducting household appliance with an automatic dosing system.
  • liquid treatment agents are increasingly used because they can not agglomerate unlike detergent powder and their amount can be better adapted to the different washing tasks.
  • liquid treatment agents have the disadvantage that they can be retained less well in their designated containers.
  • Conventional washing machines have so-called Ein Stammschalen, which are intended for manual filling with powdered treatment agent. These have a bottom and side walls, but no back wall so that incoming water can flush the dispenser trays.
  • the fresh water inlet for the washing machine is guided over the dispensing trays, so that filled detergent powder is rinsed only at water inlet into the tub.
  • liquid treatment would start immediately, even before it is planned and useful. For this reason, dispensing trays for the usually liquid softener are provided with a siphoning device which allows the softener to be flushed into the softener tray only with the water inlet.
  • Dosing options have also been proposed which avoid filling into the conventional dispenser tray, e.g. Dosing containers, which are placed directly in the drum to the laundry.
  • a washing machine has been put on the market, which can be automatically supplied with treatment agent via a separate, to be placed on the washing machine storage container and an outside of the container metering device with treatment (see DE 100 62 111 C1 ).
  • a separate container takes up additional space, and the necessary long hoses are susceptible to interference, since they can stick together by viscous detergent.
  • the object of the present invention was thus to provide a domestic appliance which at least partially eliminates the disadvantages of the prior art.
  • EP 1 959 045 describes a washing machine having the features of the preamble of claim 1.
  • the invention is based on the external dimensions of a currently common water-conducting household appliance, but is not limited to such.
  • the water-bearing domestic appliance is preferably a washing machine or a washer-dryer, however, the invention is also suitable e.g. for dishwashers or other cleaning equipment for which automatic dosing of liquid treatment agent is suitable.
  • the water-conducting household appliance is a front-loading washing machine.
  • Such Frontladerwaschmaschine has in their conventional, non-inventive form a so-called Ein istschublade with usually two to four manual Ein effetschalen on.
  • the drawer is located at the top of the washing machine behind a panel. Since the manual dispensing trays do not utilize the entire available space, in a preferred embodiment the dispensing system according to the invention can be arranged in this area and utilize this space.
  • the metering system comprises at least one, preferably at least two storage containers. However, there may also be more than two reservoirs if several types of treatment agents are to be provided, e.g. three or four or more. It is advantageous if a plurality of storage containers are present, since then several types of treatment agents can be stored and metered.
  • detergent components such as enzymes, bleach, detergents, etc.
  • various ready-made detergents may be available, e.g. Heavy-duty detergent, softener, wool detergent, black laundry detergent and the like.
  • the storage containers are located in the dispensing drawer of a washing machine, then they are preferably adapted to the dimensions of these.
  • the drawer is extended to the rear and extends to the back of the device.
  • the dosing system - optionally in addition to the storage containers - still contains at least one manual dosing or Ein istschublade. If the dosing system is arranged in the dispensing drawer of a washing machine, it is advantageous if the storage container or containers are arranged in the rear region and the at least one manual dispenser tray in the front region.
  • the metering system is detachably mounted within the device and removable from the device. It is advantageous, but not essential, for the metering system to be removable as a whole, but it is particularly advantageous if the storage containers can be removed. This allows easy cleaning of the reservoir.
  • the removability can be realized in various ways become.
  • the reservoir are preferably in the drawer. This then preferably has approximately the dimensions of a condensate tank of a tumble dryer and can be partially extended or removed completely. To fill the reservoir, it is sufficient if the drawer is only partially pulled out. It is also possible that the reservoir itself can be removed separately from the drawer.
  • the storage containers are thus preferably designed so that they can be filled manually.
  • they can have a filling opening on their upper side or can also be closed with a lid.
  • the lid is detachable and removable.
  • the lid may be provided with locking elements, which allows attachment to the storage containers.
  • the reservoirs additionally comprise a drain opening for removing liquid treatment agent in case of erroneous filling.
  • At least one conveying pump for liquid treatment agent is arranged in each case. This is particularly designed so that it dips into the existing medium in the reservoir to promote it.
  • the use of submersible pumps, which are arranged directly in the reservoir and can dive into the treatment agent, is advantageous because it can be completely dispensed with hose connections. This facilitates maintenance and simplifies assembly.
  • the suction side of such a feed pump is expediently arranged so far at the bottom of the respective storage container, as it is structurally possible.
  • the delivery side of the feed pump is preferably outside of the reservoir. In a washing machine, it is particularly preferred if the feed pump promotes directly into a flushable downcomer, since then the subsidized treatment agent can be rinsed in with water and so diluted meets the laundry.
  • the type of pump is not critical, it is preferably a gear pump.
  • a removable cover for the reservoir is provided, in which run the lines.
  • a lid is designed such that the at least one feed pump is connected to it.
  • the at least one feed pump is preferably releasably and removably mounted in the reservoir. It can be mounted in the reservoir on a reservoir wall. It is particularly preferred that it is fastened under the lid so that the contacting of the lines is as high as possible above the liquid level.
  • the feed pump may be mounted via catches or other releasable fasteners, or may be permanently attached, e.g. by gluing, welding or the like.
  • the lines are arranged in the lid. This has the advantage that they can be protected from moisture.
  • the at least one feed pump is preferably linked to a control unit which activates all feed pumps, and which in an advantageous embodiment can also calculate the amount to be dispensed and drives the feed pumps accordingly.
  • the feed pumps have a rotating delivery unit, more preferably gear pumps. These have the advantage that the volumes delivered are easily controllable.
  • the determination of the desired amount of a treatment agent is known per se and depends on various parameters, e.g. the load, the type of laundry, the type of wash program selected, the water hardness, the degree of soiling and the like.
  • the feed pump is driven.
  • the pump is preferably operated at a fixed voltage and controlled the amount delivered over time.
  • the delivery rate can also be varied differently, e.g. by the speed of the drive.
  • the detection of the actual amount of the treatment agent is preferably carried out via the measurement of the revolutions of the delivery unit of the feed pump.
  • the detection of the actual amount can also be derived from the number of revolutions of the pump drive.
  • the feed pump has a DC drive, and therefore, the number of revolutions of a DC drive can be measured to detect the actual amount of the treatment agent.
  • the DC drive preferably operates with an electrical voltage from the low voltage range, in particular with an electrical voltage between 3 volts and 15 volts. Yet another possibility is to determine the number of revolutions of the pump drive from the waveform of the drive. This has the great advantage that then no additional sensors are necessary.
  • the supplied actual amount of treatment agent is, for example, detected several times, and this value is compared with the setpoint value until the actual value has reached the setpoint value. Then the feed pump is switched off. The comparisons are made by a control unit arranged in the device.
  • Fig. 1 shows a washing machine 1 with a housing 2, a door 13 and a detergent drawer 10 in the upper left portion of the panel 11.
  • the drawer 10 is shown in a partially extended state and gives the view of a left-hand and reaching up to the panel part manual dosing chamber 22nd , as well as two reservoir 24 with filling openings 25 in the lid 26 free.
  • both reservoirs 24 are covered by a common releasably arranged cover 26. Through the filling openings 25, the user can fill a larger amount of treatment agent in the reservoir 24.
  • control unit 40 which controls the submersible pumps 30 serving as feed pumps 30 and monitors the flow rate.
  • the control unit 40 is supplied by the usual sensors with information about pollution, load, type of laundry and the like and calculates from this the optimal dosage for the respective treatment agent, which is then funded by submersible pumps 30 and metered accurately.
  • Fig. 2 shows the washing machine 1 off Fig. 1 , but in a lateral sectional view.
  • the submersible pumps 30 are shown in the interior of the reservoir 24.
  • the Ein Hugheszutechnisch 14 which includes both the manual metering chamber 22, and a Run-down shaft 34 for the reservoir 24 supplied by the fresh water supply line 12 with fresh water.
  • the two submersible pumps 30 both convey into the downcomer 34, which opens into an inlet hose 38 which communicates directly with the tub 8.
  • the washing machine further comprises conventional equipment features, such as a laundry drum 6, which is rotatably mounted in a tub 8 and closed with the door 13. Within the tub is thus the treatment room 4.
  • the drum 6 is driven by the drive motor 16.
  • Fig. 3 shows details of the dosing 20.
  • the submersible pumps 30 are shown in dashed lines in de representation of the dosing system 20 to show at what position they are in the interior of the reservoir 24. In the illustration of the lid 26, the submersible pumps 30 are attached directly to the cover 26.
  • the two submersible pumps 30 both convey into a downcomer 34. In this embodiment, only a single downcomer 34 is provided for both submersible pumps 30. This has the advantage that the Ein Hugheszutechnisch 14 can be designed simply.
  • the submersible pumps 30 each have two contacts 36 on the upper side. With these, the pump drive (not visible) via lines running in the cover 26 (also not visible) driven.
  • the submersible pumps 30 each have a spout 33 on the delivery side 32, which opens into the downcomer.
EP11191928.8A 2008-10-07 2009-09-30 Wasserführendes Haushaltsgerät mit einem automatischen Dosiersystem sowie Verfahren zum automatischen Dosieren Active EP2439326B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL11191928T PL2439326T3 (pl) 2008-10-07 2009-09-30 Prowadzące wodę urządzenie gospodarstwa domowego z automatycznym systemem dozowania oraz sposób automatycznego dozowania

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102008042655A DE102008042655A1 (de) 2008-10-07 2008-10-07 Wasserführendes Haushaltsgerät mit einem automatischen Dosiersystem sowie Verfahren zum automatischen Dosieren
EP09783606.8A EP2340326B1 (de) 2008-10-07 2009-09-30 Wasserführendes haushaltsgerät mit einem automatischen dosiersystem sowie verfahren zum automatischen dosieren

Related Parent Applications (2)

Application Number Title Priority Date Filing Date
EP09783606.8A Division EP2340326B1 (de) 2008-10-07 2009-09-30 Wasserführendes haushaltsgerät mit einem automatischen dosiersystem sowie verfahren zum automatischen dosieren
EP09783606.8 Division 2009-09-30

Publications (3)

Publication Number Publication Date
EP2439326A2 EP2439326A2 (de) 2012-04-11
EP2439326A3 EP2439326A3 (de) 2013-03-13
EP2439326B1 true EP2439326B1 (de) 2014-04-02

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Family Applications (4)

Application Number Title Priority Date Filing Date
EP09783606.8A Active EP2340326B1 (de) 2008-10-07 2009-09-30 Wasserführendes haushaltsgerät mit einem automatischen dosiersystem sowie verfahren zum automatischen dosieren
EP11191930.4A Active EP2428607B1 (de) 2008-10-07 2009-09-30 Wasserführendes Haushaltsgerät mit einem automatischen Dosiersystem
EP11191928.8A Active EP2439326B1 (de) 2008-10-07 2009-09-30 Wasserführendes Haushaltsgerät mit einem automatischen Dosiersystem sowie Verfahren zum automatischen Dosieren
EP11191927.0A Active EP2439325B1 (de) 2008-10-07 2009-09-30 Wasserführendes Haushaltsgerät mit einem automatischen Dosiersystem sowie Verfahren zum automatischen Dosieren

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Application Number Title Priority Date Filing Date
EP09783606.8A Active EP2340326B1 (de) 2008-10-07 2009-09-30 Wasserführendes haushaltsgerät mit einem automatischen dosiersystem sowie verfahren zum automatischen dosieren
EP11191930.4A Active EP2428607B1 (de) 2008-10-07 2009-09-30 Wasserführendes Haushaltsgerät mit einem automatischen Dosiersystem

Family Applications After (1)

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EP11191927.0A Active EP2439325B1 (de) 2008-10-07 2009-09-30 Wasserführendes Haushaltsgerät mit einem automatischen Dosiersystem sowie Verfahren zum automatischen Dosieren

Country Status (8)

Country Link
US (1) US9334602B2 (zh)
EP (4) EP2340326B1 (zh)
KR (4) KR101466522B1 (zh)
CN (1) CN102741472B (zh)
DE (2) DE202008017876U1 (zh)
EA (1) EA018881B1 (zh)
PL (4) PL2439325T3 (zh)
WO (1) WO2010040674A1 (zh)

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DE202008017876U1 (de) 2010-09-23
KR20130020930A (ko) 2013-03-04
PL2439326T3 (pl) 2014-09-30
PL2428607T3 (pl) 2016-05-31
PL2340326T3 (pl) 2014-04-30
PL2439325T3 (pl) 2016-08-31
DE102008042655A1 (de) 2010-04-08
EP2428607A3 (de) 2014-08-13
KR20130020929A (ko) 2013-03-04
KR101466522B1 (ko) 2014-11-27
WO2010040674A1 (de) 2010-04-15
EP2439325B1 (de) 2016-03-23
KR101466521B1 (ko) 2014-11-27
EP2439325A2 (de) 2012-04-11
EP2439325A3 (de) 2014-08-20
US20110186098A1 (en) 2011-08-04
US9334602B2 (en) 2016-05-10
EP2428607B1 (de) 2015-12-02
EP2340326B1 (de) 2013-12-11
KR101287745B1 (ko) 2013-07-19
EA201170487A1 (ru) 2011-12-30
EP2439326A3 (de) 2013-03-13
KR20110081180A (ko) 2011-07-13
EP2340326A1 (de) 2011-07-06
CN102741472A (zh) 2012-10-17
CN102741472B (zh) 2015-03-11
KR101466523B1 (ko) 2014-11-27
KR20130020928A (ko) 2013-03-04
EA018881B1 (ru) 2013-11-29
EP2428607A2 (de) 2012-03-14
EP2439326A2 (de) 2012-04-11

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