EP2048277A1 - Dispositif de dosage pour un produit de traitement sous forme de poudre pour un lave-linge et lave-linge - Google Patents

Dispositif de dosage pour un produit de traitement sous forme de poudre pour un lave-linge et lave-linge Download PDF

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Publication number
EP2048277A1
EP2048277A1 EP08016417A EP08016417A EP2048277A1 EP 2048277 A1 EP2048277 A1 EP 2048277A1 EP 08016417 A EP08016417 A EP 08016417A EP 08016417 A EP08016417 A EP 08016417A EP 2048277 A1 EP2048277 A1 EP 2048277A1
Authority
EP
European Patent Office
Prior art keywords
washing machine
agitator
metering device
axis
container
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
Application number
EP08016417A
Other languages
German (de)
English (en)
Other versions
EP2048277B1 (fr
Inventor
Thomas Deppermann
Michael Finke
Olaf Witte
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.)
Miele und Cie KG
Original Assignee
Miele und Cie KG
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 Miele und Cie KG filed Critical Miele und Cie KG
Publication of EP2048277A1 publication Critical patent/EP2048277A1/fr
Application granted granted Critical
Publication of EP2048277B1 publication Critical patent/EP2048277B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • 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
    • 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
    • D06F39/026—Devices for adding soap or other washing agents the powder or tablets being added directly, e.g. without the need of a flushing liquid

Definitions

  • the invention relates to a metering device for powdered treatment agent for a washing machine, with at least one reservoir for treatment agents such as detergent or washing or rinsing additives with a rotatable about a vertical axis rotary agitator with rotating knives, which is coupled to an electric drive and is driven by this, and a conveying device, with which the treatment agent can be conveyed to the washing machine via a connecting hose, and a dosing agent for dispensing treating agent from the storage container into the conveying device.
  • treatment agents such as detergent or washing or rinsing additives
  • a conveying device with which the treatment agent can be conveyed to the washing machine via a connecting hose, and a dosing agent for dispensing treating agent from the storage container into the conveying device.
  • the invention further relates to a washing machine, comprising a tub for receiving washing liquid and a control device, with a metering device, which can be arranged away from the washing machine, which is connected via two hose lines to the washing machine and is in operative connection with the control device of the washing machine.
  • the detergent In domestic washing machines, the detergent is usually added by hand to a chamber, which is rinsed with water after starting the washing program and introduced into the tub. The user must comply with the dosing instructions for the detergent used in each case and make sure that he fills the correct amount in the chamber.
  • automatic dosing devices are used, in which a reservoir in a larger amount of detergent is stored. When starting a washing program, the preset amount of detergent is then supplied to the washing liquid, so that the user does not have to pay attention to the amount of detergent to be filled in each wash cycle. Especially with commercially used washing machines such dosing devices are often used.
  • a metering device for powdered detergent known. From a reservoir, the washing powder is introduced into a mixing chamber and conveyed from there to the washing machine. An agitator, which comprises at least one rotating blade, moves the powder within the container, whereby the powder trickles through the powder through an opening onto a collecting plate. On the plates frustoconical aggregates are formed, which are stripped with the help of rotating rotating dosing fingers of the plates in the underlying mixing chamber. If the desired amount is present in the mixing chamber, the mixing chamber is rinsed with water, wherein the effluent, mixed with the washing powder water is passed through a line to the washing machine. With this arrangement, it is not certain which quantity actually reaches the respective plate. Depending on the properties of the powder, a differently shaped truncated cone can form on the plate, whose volume varies greatly.
  • a metering device for powdered treatment agent in which by means of a perforated disc at the powder outlet of the reservoir a precise volume metering is provided.
  • the amount to be metered is determined by the volume of the cylindrical hole, the hole is released for filling by means of a rotating cover plate and is then closed, so that the hole is then opened on the bottom with another, rotating cover.
  • a metering device in which from a reservoir, the predetermined amount of detergent is filled into a drawer-shaped cup.
  • an opening is arranged at the bottom of the container, which connects to a cellular wheel with a horizontal axis of rotation.
  • the powder is introduced from the reservoir through the container opening in each case a cell which moves downwards as the cell axis continues to rotate and then fills the powder through an opening below the cell wheel in the cup.
  • the cells each receive a predetermined amount of powder, so that the dosage is based on the number of cells that are emptied into the cup.
  • this can lead to inaccuracies if the cells are not completely filled due to clumping.
  • the invention is therefore an object of the invention to improve a metering device or a washing machine to the effect that a precise dosage is provided in a simple manner.
  • the dosing means comprises a cylindrical chamber with a cellular wheel contained therein with a plurality of chamber segments or cells separated by webs, which is arranged rotatably via a vertical axis of rotation below the bottom of the reservoir.
  • the bottom of the reservoir has an inlet opening for filling the chamber segments and on the bottom of an outlet opening to the conveyor, wherein the cell wheel is coupled to the axis of rotation of the agitator.
  • At least one rotating knife is arranged close to the bottom of the reservoir, so that by the stripping of the powder above the opening, a complete filling of a cell is achieved. Due to the known volume of a cell, the quantity to be dispensed is determined on the basis of the number of cells to be emptied into the conveyor.
  • the coupling is designed so that a blade of the agitator moves over the inlet opening at least once before the cellular wheel continues to rotate.
  • the directions or position information refer to the operating position of the metering device and washing machine.
  • the axis of rotation of the cellular wheel is arranged at a distance from the axis of rotation of the agitator, wherein the inlet opening and the outlet opening each correspond approximately to the shape of a chamber segment, and the inlet opening is arranged close to the axis of the agitator and the outlet opening is remote from the axis of the agitator.
  • the conveying device comprises a drain pump and a mixing chamber for receiving the treatment agent to be metered, wherein the treatment agent let into the mixing chamber can be flushed out by means of the incoming water and conveyed to the washing machine with the drain pump.
  • the metering device can be set up optionally. Also, a list next to the washing machine or below is possible because it is ensured by the drain pump that the treated with treatment agent water enters the washing machine regardless of gravity.
  • the cellular wheel For coupling the cellular wheel, it is expedient to attach to the axis of the agitator at least one driver which can protrude into an opening in the chamber and cooperates with a web, whereby the cell wheel is movable by a partial rotation.
  • the opening is arranged on the side of the chamber at which the cells are without detergent powder or treatment agent to be conveyed. Due to the shape of the driver, the movement of the cellular wheel with respect to the movement of the agitator be changed, so that it is advantageous to set a clocked movement of the cell wheel with continuously rotating agitator.
  • the driver is shaped so that the cell wheel is moved by the position of at least almost one cell segment by the partial rotation of the axis of rotation of the agitator. This ensures that the complete inlet opening is available for each cell when it is being filled or the complete outlet opening when the treatment agent trickles out of the cell into the conveyor.
  • At least two drivers which are offset by 180 °, are attached to the axis of the agitator.
  • the cell wheel is moved by one cell at half a revolution of the agitator, so that the dosing process can be performed faster.
  • the opening in the bottom of the container or on the top of the chamber is arranged so that the driver is designed as a claw or downwardly angled pin and attached to the axis or shaft of the agitator.
  • the driver is designed as a claw or downwardly angled pin and attached to the axis or shaft of the agitator.
  • cam can also be used cams.
  • the driver or the driver is covered to the container interior with a bell-shaped or cone-shaped cover, the cover the opening for engaging the driver in the chamber with the Cell wheel completely covered.
  • the conical cover may also be used to hold the dogs so as to provide a simple and reliable connection of the dogs to the axis of rotation of the agitator.
  • the metering device comprises a base unit, on which the reservoir is detachably mounted and fixed with the dosing, wherein the conveyor, comprising a mixing chamber and a drain pump, and the electric drive are arranged in the base unit.
  • the electric drive comprises an electric motor with a gearbox for providing a geared motor, wherein at the gearbox output a clutch is arranged, which provides a detachable connection with the agitator.
  • a gear is coupled to the electric motor or designed as a unit to provide a higher torque at the output of the transmission.
  • the metering device comprises two reservoirs, wherein for each reservoir in each case a metering, an agitator and an electric drive for the agitator is provided.
  • the dosing or the electric drives for the agitators are individually controllable, so that depending on the washing cycle or the set washing program, the appropriate treatment agent can be selected independently.
  • a gripping protective grille is inserted into each of the filling openings of the storage container.
  • the reservoirs are inserted and fixed in the base unit in the manner of a bayonet or a screw connection. As a result, they are fixed firmly and torsion-proof in the base unit, so that they can not solve themselves when rotating the agitator. On the other hand, the user can easily detach and remove the containers from the base.
  • the washing machine for the metering device so that the control device of the washing machine communicates with the metering device.
  • the container in the metering device can be selected, which contains the suitable detergent, and then the amount to be metered can be specified.
  • the washing machine comprises a connection which can be controlled via an inlet valve and / or a water switch and which is connected to the metering device, via which water can be conveyed to the metering device, and also a further connection for the liquor which can be conveyed out of the metering device.
  • the connection for the lye is connected via a flexible line with the tub, so that the oscillating movements of the tub are balanced during operation.
  • the washing machine has a Waschstoffein Textilkasten arranged in the upper region, which is connected via a Wasserzu110 Gustav for rinsing detergent or additive from the Waschstoffein Textilkasten in connection whose outlet is guided via a flexible connecting pipe in the tub, wherein the flexible conduit from the metering device opens in the connecting pipe.
  • the special agent is entered for a single wash over the Waschstoffein Quiltkasten in the tub.
  • the washing machine has a housing with a rear wall to which a connection for the water supply to the solenoid valve and / or the water separator is attached.
  • the connection for the water to the metering device and the connection for the liquor that can be conveyed out of the metering device are also attached to the rear wall.
  • Fig. 1 includes the sketched washing machine 1 a tub 2 with a rotatably mounted therein drum 3, which is driven by an electric motor, not shown.
  • the metering device 18 is arranged outside the washing machine 1 and connected via connecting tubes 15, 16 with this.
  • As an additive for example, detergents, washing or rinsing additives are used.
  • the metering device 18, which is designed separately from the washing machine 1, can optionally be set up or fastened at different locations. Depending on the setup conditions for the washing machine 1, it can for example be placed or fastened on the housing 4 of the washing machine 1, laterally beside or behind it.
  • the washing machine 1 further comprises a dispenser 6, in which, for example, a detergent compartment 9 for receiving the detergent for a washing cycle is arranged, which is connected via a flexible pipe 8 with the tub 2.
  • the dispenser 6 communicates with a Wasserzu110 Gustav 12 with the interposition of a solenoid valve 10 and / or a water gate 11 in conjunction and provides the flushing of detergent in the tub 2 for a single wash when the metering device 18 is not used.
  • the solenoid valve 10 and / or the water diverter 11 are controlled by the control unit 7 of the washing machine 1.
  • the mixed with detergent water or the Lye concentrate is conveyed via the lye line 16 to the washing machine 1, wherein on the rear wall 5 of the washing machine 1 each have a connection 13a for the coupling piece 13b of the water pipe 15 and a connection 14a for the coupling piece 14b of the liquor line 16 is arranged.
  • the guided inside the washing machine lye line 16c opens into the flexible tube 8 on the tub 2.
  • the solenoid valve 10, the water switch 11 and the metering device 18 are controlled by the controller 7 of the washing machine 1, which also provides the flow of the washing programs.
  • the metering device 18 Via a signal connection 40, the metering device 18 is in operative connection with the control device 7.
  • the metering device 18 in this embodiment comprises a base unit 19 and two containers 20, 21 for powdered or granular detergent or treating agent.
  • Fig. 2 the metering device 18 in the embodiment with two storage containers is shown in detail.
  • the containers 20, 21 are mounted for powdered treatment agent.
  • the connecting tubes 15, 16 are led out of the base part 19 and provided at their free ends with coupling pieces 13b, 14b, which in the respectively provided connection 13a, 13b (FIG. Fig. 1 ) are attached to the washing machine 1 and fastened.
  • the containers 20, 21 are each provided with a removable cover 20D, 21D, so that the treatment agent filled in the containers 20, 21 is not polluted and does not absorb moisture.
  • a stirrer 24 which has a vertical axis rotating knife 37 or rods.
  • the treatment agent WP is introduced into the chamber 27 or in each case into a cell 30 of the chamber 27.
  • the rotating blades 37 allow the powdered treatment agent WP to trickle through the inlet opening 33 into the cell 30.
  • the pulverulent treatment agent from the cell 30 is introduced into the mixing chamber 22.
  • the agitator 24 is separably connected via a coupling 41 a with an electric motor 25 a and with the output of the transmission 26 a.
  • the container 20 can be removed with the agitator 24 from the base part 19, wherein the electric motor 25a and the gear 26a remain in the base part 19.
  • the metered in the mixing chamber 22 treatment agent WP is rinsed through the water inlet 15a, which opens into nozzles 22b, which are directed from the top into the interior of the chamber 22.
  • the water or the liquor which is usually concentrated, is passed through the outlet 16a in the lower region of the chamber 22, which is pumped with the drain pump 23 via the line 16b to the liquor line 16 is, with which the chamber 22 and the drain pump 23 form the conveyor 17.
  • the drive and the receptacle for the second container 21 are the same or at least similar constructed.
  • the container 21 is positioned so that the outlet opening is located above the mixing chamber 22 so that the treating agent to be introduced can trickle from the outlet opening into the mixing chamber when the second container has been selected.
  • the agitator (not shown) via a clutch 41 b with an electric motor 25b and 26b connected to the output of the transmission separable. Thereby, the container 21 can be removed with the agitator from the base part 19, wherein the electric motor 25b and the gear 26b remain in the base part 19.
  • the agitator 24 and the cylindrical chamber 27 with the cellular wheel 28 arranged therein can be seen.
  • the agitator 24 is mounted on the container bottom 32 via an axle 38 and via a gripping guard 40 in the upper region of the container 20.
  • the agitator 24 has a plurality of rotating knives 37, which close to the bottom 32 of the container 20 along when the agitator 24 rotates.
  • Below the container bottom 32 the cylindrical chamber 27 is arranged with the cell wheel 28 disposed therein.
  • the cellular wheel 28 is mounted on a vertical axis of rotation 31, which is located at a parallel distance from the axis of rotation 38 of the agitator 24.
  • an inlet opening 33 which corresponds approximately to the shape of a circular section. This opening 33 is thus adapted to the shape of a cell 30.
  • Fig. 5 the container 20 is shown in the detached state from the bottom.
  • the axis 38 of the agitator 24 is mounted in the central region of the bottom 32.
  • the cylindrical chamber 27 is mounted between the axis 38 and the outer edge of the bottom 32.
  • an annular channel 46 is arranged, in which the driver 35a protrudes and can move circumferentially.
  • two opposite drivers 35a, 35b are provided, so that a driver 35a or 35b is moved once through the chamber 27 every half revolution of the agitator.
  • the chamber and the annular channel 46 are shown with outbreaks.
  • a web 29 of the cell wheel 28 is moved, the web 29 being moved or rotated by the position of a cell 30 within the chamber 27 and thus the entire cellular wheel 28 by the rotation range or angle corresponding to a cell 30.
  • all the cells 30 formed by the webs 29 of the cellular wheel 28 are shifted by one position such that a cell 30 filled with treatment agent WA reaches the outlet opening 34 of the chamber 27 and the treatment agent WA passes through this opening 34 the mixing chamber 22 ( Fig. 3 ) trickle down can.
  • the second driver 35b protrudes into the annular channel 46.
  • the drivers 35a, 35b are covered with a cover 43, which is bell-shaped or conically shaped in this embodiment.
  • a coupling member 44 is further fastened with a screw 45a, which engages in the insertion of the container 20 in the base part 19 in a corresponding coupling part on the electric drive.
  • the container 20 has in the lower region on its jacket projections 39, the attachment with corresponding means on the base part 19 (FIGS. Fig. 2 ) in the manner of a bayonet. After releasing the coupling part 44, the axis of rotation 38 can be pulled out of the storage in the bottom 32 of the container 20, so that the agitator 24 can be removed from the container 20.
  • the chamber 27 is screwed with screws 45b, 45c on the underside of the container bottom 32, so that they can be removed and cleaned after loosening the screws 45b, 45c. Also, the cellular wheel 28 is accessible after removal of the chamber 27, for example for cleaning purposes.

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Washing And Drying Of Tableware (AREA)
  • Detail Structures Of Washing Machines And Dryers (AREA)
  • Photographic Processing Devices Using Wet Methods (AREA)
  • Treatment Of Fiber Materials (AREA)
  • Accessories For Mixers (AREA)
EP08016417A 2007-10-08 2008-09-18 Dispositif de dosage pour un produit de traitement sous forme de poudre pour un lave-linge et lave-linge Active EP2048277B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102007048199A DE102007048199B3 (de) 2007-10-08 2007-10-08 Dosiereinrichtung für pulverförmiges Behandlungsmittel für eine Waschmaschine und Waschmaschine

Publications (2)

Publication Number Publication Date
EP2048277A1 true EP2048277A1 (fr) 2009-04-15
EP2048277B1 EP2048277B1 (fr) 2010-04-21

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EP08016417A Active EP2048277B1 (fr) 2007-10-08 2008-09-18 Dispositif de dosage pour un produit de traitement sous forme de poudre pour un lave-linge et lave-linge

Country Status (5)

Country Link
US (1) US8359888B2 (fr)
EP (1) EP2048277B1 (fr)
AT (1) ATE465291T1 (fr)
DE (2) DE102007048199B3 (fr)
ES (1) ES2343040T3 (fr)

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DE102007048197A1 (de) * 2007-10-08 2009-04-16 Miele & Cie. Kg Dosiereinrichtung für Behandlungsmittel für eine Waschmaschine und Waschmaschine
DE102007048196A1 (de) * 2007-10-08 2009-04-16 Miele & Cie. Kg Dosiereinrichtung für pulverförmiges Behandlungsmittel für eine Waschmaschine
CA2956850C (fr) * 2014-08-01 2021-07-06 Ecolab Usa Inc. Procede de nettoyage de surface manuel au moyen de textiles de nettoyage et de lavage desdits textiles de nettoyage
DE102019005000A1 (de) * 2019-07-17 2021-01-21 Stefan Schlack Vorrichtung zur Dosierung von Waschmittel, Behälter zur Aufnahme und Dosierung von Pulverwaschmittel und/oder Flüssigwaschmittel und entsprechendes System
CN106702683B (zh) * 2017-01-06 2023-01-13 珠海格力电器股份有限公司 一种洗衣机洗涤剂盒及具有其的洗衣机
WO2019037851A1 (fr) * 2017-08-24 2019-02-28 Arcelik Anonim Sirketi Machine à laver avec dispositif d'alimentation et de dosage d'agent de traitement amélioré
EP3690119B1 (fr) * 2019-02-01 2023-06-14 LG Electronics Inc. Appareil de traitement du linge

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Publication number Priority date Publication date Assignee Title
DE9303690U1 (de) 1993-03-12 1993-06-03 Mastnak, Monika, 8904 Friedberg Waschmittelspender
DE19652787A1 (de) * 1996-12-19 1998-07-30 Sita Mestechnik Gmbh I G Einrichtung zum volumetrischen Dosieren eines pulverförmigen oder granulierten Reinigungsmittels in wasserführenden Reinigungsmaschinen, insbesondere für Haushaltwaschmaschinen oder Geschirrspüler
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JP2008017943A (ja) * 2006-07-11 2008-01-31 Niitaka:Kk 粉粒状洗剤自動供給装置

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Publication number Publication date
ATE465291T1 (de) 2010-05-15
DE502008000558D1 (de) 2010-06-02
US20090090139A1 (en) 2009-04-09
DE102007048199B3 (de) 2009-01-15
US8359888B2 (en) 2013-01-29
EP2048277B1 (fr) 2010-04-21
ES2343040T3 (es) 2010-07-21

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