EP3832001B1 - Appareil électroménager à circulation d'eau et procédé de fonctionnement d'un tel appareil électroménager à circulation d'eau - Google Patents

Appareil électroménager à circulation d'eau et procédé de fonctionnement d'un tel appareil électroménager à circulation d'eau Download PDF

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Publication number
EP3832001B1
EP3832001B1 EP20198101.6A EP20198101A EP3832001B1 EP 3832001 B1 EP3832001 B1 EP 3832001B1 EP 20198101 A EP20198101 A EP 20198101A EP 3832001 B1 EP3832001 B1 EP 3832001B1
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EP
European Patent Office
Prior art keywords
filtrate
container
detergent
receptacle
household appliance
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
EP20198101.6A
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German (de)
English (en)
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EP3832001A1 (fr
Inventor
Jürgen Eiselt
Uwe Schaumann
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.)
EGO Elektro Geratebau GmbH
Original Assignee
EGO Elektro Geratebau GmbH
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Filing date
Publication date
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Publication of EP3832001A1 publication Critical patent/EP3832001A1/fr
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Publication of EP3832001B1 publication Critical patent/EP3832001B1/fr
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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 
    • D06F39/10—Filtering arrangements
    • 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
    • A47L15/4202—Water filter means or strainers
    • 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
    • A47L15/4214—Water supply, recirculation or discharge arrangements; Devices therefor
    • 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
    • A47L15/44—Devices for adding cleaning agents; Devices for dispensing cleaning agents, rinsing aids or deodorants
    • 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
    • A47L15/46—Devices for the automatic control of the different phases of cleaning ; Controlling devices
    • 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
    • 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
    • D06F39/022—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
    • D06F2103/00—Parameters monitored or detected for the control of domestic laundry washing machines, washer-dryers or laundry dryers
    • D06F2103/42—Parameters monitored or detected for the control of domestic laundry washing machines, washer-dryers or laundry dryers related to filters or pumps
    • 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
    • D06F2105/58—Indications or alarms to the control system or to the user
    • 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
    • D06F25/00—Washing machines with receptacles, e.g. perforated, having a rotary movement, e.g. oscillatory movement, the receptacle serving both for washing and for centrifugally separating water from the laundry and having further drying means, e.g. using hot air 
    • 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 
    • D06F33/47—Responding to irregular working conditions, e.g. malfunctioning of pumps 
    • 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
    • D06F58/00—Domestic laundry dryers
    • D06F58/20—General details of domestic laundry dryers 
    • D06F58/22—Lint collecting arrangements

Definitions

  • the invention relates to a water-conducting household appliance, in particular a washing machine or a washer-dryer, and possible methods for operating it.
  • a household appliance emerges in the form of a washing machine, in which a container for detergent is provided in the form of a so-called dispenser bowl.
  • a filter element is also provided, which is intended to filter impurities from pumped washing liquid. This filter element can be changed, for example when it is full or clogged.
  • WO 2017/204725 A1 shows a washing machine in which several cleaning agents or chemical components are arranged in a combination pack.
  • the containers for detergent and/or filtrate can be bags.
  • a dosing system for a dishwasher which contains several detergents and/or detergent-active substances in one unit. This unit can be placed in a dishwasher and automatically doses cleaning agents in the required composition and quantity.
  • the invention is based on the object of creating a water-carrying household appliance mentioned above and a method for its operation, with which problems of the prior art can be solved and it is possible to filter out certain particles or fibers from the water cycle and thus collect them, that they can be disposed of conveniently and professionally.
  • the water-carrying household appliance has the functional devices mentioned below. It has a treatment chamber in which objects inside are cleaned. Take the example of a washing machine or a washer-dryer This is the drum and the surrounding drum housing; in a dishwasher this is the washing chamber or the interior of the dishwasher.
  • the household appliance has a water guide which leads away from the treatment chamber and which also leads to the treatment chamber.
  • the water supply therefore advantageously has several hoses, lines, branches and valves or the like. on.
  • the household appliance also has a detergent holder that is connected to the water supply. This means that the detergent can get into the water supply and thus into the treatment chamber.
  • the detergent holder has a detergent container and is arranged within the household appliance. It can possibly also be arranged on the outside of the household appliance, but in any case it is a functional part of the household appliance.
  • a filter device is provided to filter out particles from the water supply. These particles are in particular plastic fibers and/or microplastics.
  • the water carried in the water supply is advantageously filtered, so that the filter device is also connected to the water supply.
  • the household appliance has a receptacle for filtrate from the filter device, which can be connected or is connected to the filter device.
  • the receptacle for filtrate and the filter device can be arranged relatively close to one another, whereby the filtrate only has to be transported a short distance to the receptacle. This can be a few centimeters, for example 1 cm to 5 cm. Alternatively, the distance can also be over 10 cm or over 30 cm, as is the case, for example, in the German patent application DE 102019205919.8 is known to the same applicant with a filing date of April 25, 2019.
  • the receptacle for filtrate has a filtrate container.
  • the receptacle for detergent is firmly connected to the receptacle for filtrate in such a way that they are part of an independently manageable structural unit or that the two at least partially or largely form an independently manageable structural unit.
  • This means that the two receptacles can be inserted into or removed from the household appliance as a structural unit or together with the structural unit.
  • the filtrate container and the detergent container are closed to the outside, i.e. not designed with open compartments or chambers into which detergent can be added, as is the case with the aforementioned drawer in the upper area of a washing machine.
  • the invention thus creates a water-carrying household appliance which, on the one hand, makes it possible to filter out particles or fibers from circulating water and to collect them in a receptacle as filtrate in a filtrate container.
  • Water can possibly be separated from the filtrate again, for example through a semi-permeable membrane or a fine filter and a drain on the filtrate container.
  • the filtrate container connected to a detergent container in such a way that they form an independent but jointly manageable structural unit, so that they can advantageously be inserted together into the household appliance or attached to it or removed from it. While the detergent or cleaning agent becomes less over several operating processes, the filtrate becomes more.
  • Removing the structural unit with the two containers after a few operating processes can serve to, on the one hand, refill detergent and, on the other hand, remove the filtrate and dispose of it. This makes a simpler and more efficient procedure possible and, above all, disposing of the filtrate is not so easily forgotten. There are several different options for the exact method of disposing of the filtrate and topping up the detergent, which are explained in more detail below.
  • the receptacle for detergent and the receptacle for filtrate are inseparably connected to one another, in particular they are designed as a structural unit.
  • This structural unit can, for example, be manufactured in one piece by plastic injection molding and/or by gluing, then advantageously also made of plastic.
  • Other options basically include additive manufacturing; 3D printing is an advantageous option. This would also make it very easy to design the containers to be closed to the outside, except for one access or one access opening.
  • the receptacle for detergent and the receptacle for filtrate are designed as separate components, for example as at least partially open containers. They are connected to one another to form the structural unit, whereby they can advantageously be separated from one another. Connecting means are provided for the connection, which can be non-positive or positive, for example. In particular, they can be selected from the group of screw connection, magnetic connection, snap connection, bayonet connection, clamp connection.
  • the two receptacles can be designed to be separable from one another without tools, so that, for example, the receptacle for filtrate is manually detached from the structural unit or from the receptacle for detergent and disposed of, either directly with residual waste or via a special disposal company.
  • An empty or fresh receptacle for filtrate is then simply connected to it and the assembly can be reinserted into the household appliance.
  • the entire unit with an empty receptacle for detergent or a full receptacle for filtrate can be given to a special disposal company or a service company, which will professionally remove the filtrate from the unit and dispose of it and refill the detergent.
  • the assembly can then be delivered back to a user as a replacement for the next exchange.
  • the receptacle for detergent and/or the receptacle for filtrate advantageously have rigid walls. This gives the entire structural unit sufficient strength for good and easy handling.
  • the receptacles can, for example, be designed as chambers or compartments that are open at the top, so that an aforementioned filtrate container and/or an aforementioned detergent container can be easily removed therefrom. Due to a rigid design of the respective receptacle, the respective containers can also be designed arbitrarily and possibly very simply.
  • the receptacle for detergent can directly form the detergent container and have rigid walls, i.e. without any further part.
  • the receptacle for filtrate can directly form the filtrate container itself and have rigid walls.
  • the detergent in the detergent container is in direct contact with its walls.
  • the filtrate in the filtrate container may then also be in direct contact with the walls of the filtrate container. Detergent or filtrate can therefore be filled directly into these possibly rigid containers and of course must also be removed from them, which could represent a certain amount of effort, particularly in the case of filtrate.
  • the receptacle for detergent contains a separate and removable detergent container, the detergent being filled directly into this detergent container and thus being in direct contact with its walls.
  • the receptacle for filtrate contains a separate and removable filtrate container, whereby the filtrate is in direct contact with the walls of the filtrate container or is transported directly into it.
  • the containers are advantageously designed to be closed except for a closable access, whereby the filtrate can be introduced or transported into the filtrate container through this closable access.
  • the detergent can be filled in through this access and then removed to the extent required for a corresponding cleaning process.
  • these separate detergent containers and/or filtrate containers can have rigid walls. They then form a kind of solid tanks or cartridges.
  • at least one of these containers can have at least one flexible wall, which is designed, for example, as a type of film or as a membrane.
  • the detergent container and/or the filtrate container can be designed to be flexible and pliable, especially if they consist entirely of flexible walls or flexible material, such as in particular film.
  • the detergent can be provided in a bag as a detergent container, this bag being introduced or inserted into the receptacle for detergent, if necessary also via an access or the like. so to speak is connected.
  • Such a bag made of thin walls or film is particularly suitable for the filtrate container, so that this bag-like filtrate container as a whole can simply be removed from the filtrate receptacle of the structural unit and disposed of directly, for example via the Residual waste. The filtrate remains there.
  • the material required for such a film-like bag is of course much lower than for a solid container, which makes this type of disposal particularly sensible and efficient.
  • Such bags as described above are advantageously designed individually and can also be purchased by a user as a supply pack of five or ten pieces, similar to vacuum cleaner bags or the like. is known.
  • the structural unit is removed from the household appliance together with both receptacles, but under certain circumstances only the empty detergent container is filled or the full filtrate container is emptied or disposed of. This means that the assembly may need to be removed more frequently, namely when either the detergent is empty or the filtrate receptacle is full. Then the respective volume of the individual containers or bags can be utilized as fully as possible.
  • the detergent container and the filtrate container can be designed together as a flexible two-chamber container or two-chamber bag, possibly also as a multi-chamber container or multi-chamber bag.
  • different detergents or detergent-active substances could be provided and used for a washing process.
  • the replacement process can be carried out more easily and quickly than in the case described above with individual containers or bags. While the capacity of each container or bag may not be fully utilized, the simplicity of the replacement process may make up for this.
  • the receptacle for detergent and filtrate are identical and are designed as a single common receptacle for detergent and filtrate.
  • said container or bag can have a closable access, preferably as a type of valve or opening or closure or lid.
  • a closable access preferably as a type of valve or opening or closure or lid.
  • This can, for example, be used in the detergent container to fill in detergent and later to remove a desired amount of detergent when operating the household appliance, but at the same time keep it closed.
  • the corresponding receptacle for this container or bag can then have a suitable internal connection or distributor, whereby the bag or container can be connected in a sealed manner to said internal connection or distributor by means of this access.
  • the receptacle can also have an external connection in order to be connected in a sealed manner to the water supply or the household appliance.
  • the inner connection and the outer connection are advantageously connected to one another in a liquid-conducting manner, for example via an open through-channel.
  • the external connection can be designed on the structural unit in such a way that a sealed connection to the water supply is automatically established when the structural unit is inserted on or into the household appliance.
  • an external connection for the detergent can be arranged in the lower area of the corresponding receptacle or the structural unit, so that the detergent can, so to speak, flow out automatically by gravity if this is desired.
  • a two- or multi-chamber container with a rotatable distributor head or which can be connected to a rotatable distributor head with its accesses is also possible. This means that filtrate and the respective detergent can be routed via a single connection on this distributor head.
  • the internal connection and the external connection advantageously have sealants. They can be particularly advantageously designed as sealing rings, in particular cast or molded sealing rings.
  • the structural unit can advantageously be designed to be interchangeable in such a way that it can be removed from the household appliance without tools and can also be inserted into it without tools.
  • the structural unit can advantageously be removed directly from an outside of the household appliance, possibly itself forming part of the outside.
  • the household appliance can have a flat panel that can preferably be opened without tools. Once it is open, the unit can then be removed from the household appliance or reinserted. It is considered preferred if the structural unit is either is arranged higher than the treatment chamber or lower. In the first case, the introduction of detergent into the treatment chamber can be simplified, in the second case, the introduction of filtrate into the filtrate receptacle can be made easier.
  • an identification means can be arranged on the receptacle for detergent and/or on the receptacle for filtrate, alternatively on the replaceable structural unit itself.
  • This means of identification can be used to record the identity or design of the structural unit via a machine or device.
  • One possibility is optical identification, preferably using a barcode.
  • Another possibility is identification by radio, for which an RFID module can preferably form the identification means. Then, for example, the respective recording or structural unit can be tracked at an aforementioned disposal company. It can also be easily refilled with detergent to match the exact amount.
  • the identification means can possibly even be captured by a user himself, for example in the case of a barcode with the camera of a mobile terminal, in particular a cell phone.
  • This means that the corresponding data can then be sent to a specialist company or to a supplier for a new unit or a new container.
  • Read-in data can also be sent to a manufacturer of the household appliance, who then takes over the supply of new containers or a new structural unit.
  • this data can potentially be used to optimize the operation of the household appliance.
  • the manufacturer of the household appliance can do this for many similar or identical household appliances, which in turn can benefit all household appliances.
  • a level measuring device is provided for the filtrate container. It is designed to detect the fill level of the container.
  • the level measuring device is connected to a control of the household appliance, so that the control records the level and contains this information.
  • the household appliance also advantageously has a display that is connected to the control. In addition to other information, this display can then be used to show a user when the filtrate container is full. Alternatively, a certain predetermined filling level can be exceeded so that a user can react shortly before it is completely full. If the filtrate container is full, a user can also be given the option not to change it immediately, but instead to continue to operate the household appliance, whereby no more filtrate can be collected in it.
  • the level measuring device it is possible for the level measuring device to be connected directly or, alternatively, for the controller to be connected to the Internet. In this way, at least detergent can be ordered automatically if the corresponding detergent container is completely or soon empty. This enables increased comfort for the user.
  • the filtrate container can be removed from the structural unit in a largely closed state, so that no filtrate can escape and contaminate the surroundings of the household appliance. This is particularly advantageous if it is intended that the user himself removes the filtrate container and disposes of it or puts it in the residual waste. Alternatively, it can be provided that the user sends the entire assembly to a special disposal company, which can remove and dispose of the filtrate and refill the detergent. In this case, the filtrate is disposed of by the waste disposal company.
  • the detergent or several detergents or detergent-active substances are refilled either by a specialist company, in which case the detergent container or the entire structural unit is then refilled.
  • a user can do this themselves by either refilling the detergent container from a larger detergent supply, such as a bottle of detergent, or, alternatively, by replacing a detergent container.
  • the capacity of the detergent container is sufficient for at least five or at least ten washing processes, for example up to a maximum of 30 or 40 washing processes.
  • the capacity or size of the filtrate container should be adapted so that, for example, filtrate with a typical amount from at least five or at least ten washing processes can be introduced into the filtrate container before it is full and can no longer hold anything.
  • a water-carrying household appliance is shown in the form of a washing machine 11 with a housing 12, in the usual manner a drum 14 for washing laundry is provided therein.
  • a water inlet 16 leads into the washing machine 11, in particular from a tap in a building.
  • a drain 18 leads out of the washing machine 11, advantageously into a wastewater pipe or sewer system.
  • a changing drawer 20 is shown in simplified form, which is shown in detail in the figures below. It can advantageously be arranged at the location of the drawer for filling detergent and can be removed from the washing machine 11 by a user without tools. For this purpose it has a handle 21 on the left side.
  • a water pipe 22 goes from the changing drawer 20 to the drum 14 or into it or into a drum receptacle in which the drum is arranged.
  • the water inlet 16 opens into the changing drawer 20, whereby incoming fresh water can only flow through. Alternatively, the water inlet 16 can also open into the water pipe 22.
  • a sump outlet 23 leads out of the drum 14 or a corresponding drum receptacle and leads into a filter device 26 by means of an outlet line 24.
  • This filter device 26 is designed as a fine filter and in particular serves to filter out small particles such as fiber abrasion from washed laundry, especially in the case of fibers made of plastic or so-called microfibers, i.e. microplastics, from the discharged or circulating water.
  • the filtered water can flow through a water pipe 29 to a pump 31.
  • the filter device 26 can, for example, be designed as known from the prior art mentioned at the outset. Furthermore, it can also be bypassed using valves and lines not shown here. For example, it can only be used or looped into the water cycle when laundry with synthetic or synthetic fibers is washed in the washing machine 11, which secrete the aforementioned small plastic particles or fibers as so-called microplastics. An operating input can be used for this detection, alternatively this can be determined using sensors.
  • the filter device 26 can also be designed as a fine filter in multiple stages, i.e. have several filter means one behind the other, advantageously as a structural unit in a housing.
  • valve 33 Behind the pump 31 there is a valve 33, which can be designed as a three- or four-way valve.
  • a straight path leads to the drain 18 from the washing machine 11.
  • the upward path leads to a return line 36, which leads to a valve 38 as a three-way valve. So the pump 31 can pump water directly back into the drum 14. Alternatively, it can pump the water through the further return line 36 to the changing drawer 20, for example in order to flush or convey detergent from this changing drawer into the water pipe 22 and thus into the drum 14.
  • the pump 31 can pump water into a backwash inlet 27 of the filter device 26 by means of a backwash line 42.
  • a backwash line 42 This means that the filter device 26 can be backwashed or any filtrate that has accumulated in it can be removed, which is very important. It can be conveyed through a filtrate line 44 to the changing drawer 20 in order to be collected there, as explained at the beginning.
  • the pump 31 and the valves 33 and 38 are also controlled by the control 46 of the washing machine 11.
  • the change drawer 20 is shown enlarged. It forms a structural unit 49 and contains a detergent receptacle 50 on the right as a chamber that forms a detergent container 53.
  • Detergent 55 is filled directly into it at a filling level 56 and is thus in contact with the walls of the detergent receptacle 50 or the detergent container 53.
  • the detergent receptacle 50 or the detergent container 53 is closed at the top.
  • a detergent outlet 58 leads out to the right, advantageously with a valve or the like. for dosage. Through this, a desired amount of detergent 55 can be removed as intended and introduced into the drum 14 by means of the water pipe 22.
  • the changing drawer 20 has a filtrate receptacle 60 or a filtrate container 63 as a kind of molded chamber, similar to the detergent receptacle 50 or a detergent container 53 on the right. in the filtrate receptacle 60 or .
  • Collected filtrate 65 is introduced directly into the filtrate container 63 so that it comes into contact with its walls.
  • a filtrate inlet 68 which is shown schematically and which runs through the otherwise closed upper wall of the closed filtrate container 63, is used to introduce the filtrate 65.
  • this filtrate 65 is moved by the pump 31 via the backwash line 42 into the backwash inlet 27 of the filter device 26 and thus out of the filter device 26. It is therefore not produced in the filtrate container 63, but is only collected there for concentrated disposal.
  • microfibers or microplastics should also be retained in the filtrate container 63 and water should be able to drain back into the water supply can flow, for example into the water pipe 22. This is intended primarily to reduce the volume of the filtrate 65 so that more filtered out microfibers or microplastics can be absorbed. It is also advantageous for subsequent disposal, especially by an operator in the household, if the filtrate is less liquid or contains less water, i.e. is drier.
  • This version with additional filter 62 in or on the filtrate container 63 is less about renewed filtering as water purification and more about further concentration or thickening of the filtrate.
  • the additional filter should be simple, as it can possibly be disposed of or thrown away directly with the filtrate. Unlike the filter device 26, it does not have to be backwashable or reusable. For example, it can very simply consist of filter paper or filter fleece.
  • a fill level sensor 51 is arranged at the very bottom. Shown in dashed lines is a fill level 56', which the fill level sensor 51 would recognize as "empty" and would signal. This signal goes to the associated control 46, which recognizes this as an empty detergent container 53 and possibly displays it to a user. Under certain circumstances, a new full detergent container can also be automatically ordered directly from the control 46.
  • a fill level sensor 61 is arranged high up there.
  • a fill level 66 'shown in dashed lines is recognized as "full" by the fill level sensor 61, since the filtrate container 63 is then almost completely filled with filtrate 65.
  • the fill level sensor 61 for the filtrate also signals this fill level 66 'to the controller 46, which then signals to a user either in conjunction with the other fill level of the fill level sensor 51 for the detergent 55 or, particularly preferably, separately from the other fill level Exchange drawer 20 must be removed. The user can then easily check visually whether detergent 55 needs to be refilled or filtrate 65 needs to be disposed of. Alternatively, pressure sensors etc.
  • the filtrate 65 from the full filtrate container 63 is, so to speak, disposed of and the empty filtrate container 63 is reused.
  • a possibly provided additional filter 62 can remain in the filtrate container 63, alternatively it can be disposed of together with the filtrate 65 and then a new additional filter 62 can be inserted.
  • FIG. 3 A modification of the invention is shown, in which a separate structural unit 149 is arranged in the change drawer 120.
  • the structural unit 149 is arranged in a common detergent receptacle 150 or filtrate receptacle 160, which form a single chamber or a single space.
  • the structural unit 149 can be removed from the changing drawer 120.
  • Fig. 3 shown on the right whereby here the detergent container 153 is empty and the filtrate container 163 is fully filled with filtrate 165.
  • the two containers 153 and 163 are connected to one another in one piece, advantageously manufactured in a single process, for example by plastic injection molding.
  • the containers 153 and 163 can be closed by subsequently attaching or gluing on lids, as explained at the beginning. Only a detergent outlet 158 and a filtrate inlet 168 then need to be provided.
  • the unit 149 has a barcode BC at the bottom left. This can be recorded and used, for example, with a camera on a mobile phone, in particular for identifying the structural unit 149. Alternatively, a special shape of one of the containers 153 and 163 or the removable drawer 120 can also be used for identification using a camera on a mobile phone.
  • a change drawer 220 is shown, again with a common detergent receptacle 250 and filtrate receptacle 260 as a single chamber.
  • Level sensors 251 and 261 are also provided.
  • a structural unit 249 is arranged in the common receptacle 250/260, which consists of a detergent container 253 and a filtrate container 263.
  • the two containers 253 and 263 are connected to one another via locking means 248 to form the structural unit 249, but can also be divided, for example for separate disposal or emptying or filling.
  • the containers 253 and 263 can then be connected to one another again using the locking means 248 and, for example, inserted into the change drawer 220.
  • the structural unit 249 can be removed from the washing machine or the changing drawer 220 in one piece or in one process.
  • the possible separation of the two containers 253 and 263 allows them to be treated separately, as will also be explained below.
  • the two containers 253 and 263 each have a barcode BD. This can be used as before.
  • Fig. 5a shows how a single or separate filtrate container 63, which is full of filtrate 65, is disposed of in a household waste bin 70.
  • This is the direct disposal route for a user.
  • the filtrate container 63 is almost completely full, so it was time to replace it.
  • This level could, for example, be measured by a level sensor 61 accordingly Fig. 2 displayed to the user.
  • a replacement could be indicated based on a time component, i.e. when the washing machine 11 has already been standing for a long time and a predetermined time of x days has been exceeded. This way, odor nuisance can be avoided.
  • the filtrate container 63 with the filtrate 65 in it is sent in a package 71 to a professional disposal company. This can then either dispose of the full filtrate containers 63 directly, but not with household waste, but as hazardous waste or, for example, burn the filtrate 65 according to the material. Shown here in simplified form is a garbage disposal 73, into which only the filtrate 65 is emptied. This can be followed by a rinsing process of the emptied filtrate container 63.
  • the clean filtrate container 63 is then sent back in a package 71 to a user of the washing machine 11, who can then simply exchange the filtrate container 63 for it the next time a full filtrate container is removed.
  • bioreactors could also be used, for example, in which bacteria break down the filtrate 65, at least until it is harmless.
  • Fig. 6a Similar is in Fig. 6a shown on the left how a user disposes of an empty detergent container 53 himself, namely via the household waste bin 70.
  • the plastic material of the detergent container 53 if it is to be thrown away because it is a disposable container, can be similar to that in Fig. 5a the filtrate container 63, for special disposal, for example via the German dual system.
  • the empty detergent container 53 is sent in a package 71 to a specialized service company, possibly the same one to which the full filtrate container 63 was sent.
  • the service company can, for example, wash out the empty detergent container 53 and then refill it with detergent 55 at a detergent tank 75.
  • the full detergent container 53 with the detergent 55 in it is then sent back to the user in a package 71. This one can then reinsert the detergent container 53 the next time you remove the changing drawer 220.
  • FIG. 7a A disposal route is shown for the common structural unit 149 Fig. 3 .
  • Either a user can place this common structural unit 149 with a filled filtrate container 163, which is full of filtrate 165, and an empty detergent container 153 in the household waste bin 70.
  • the structural unit 149 can be sent in a package 171 to a special service company as described above.
  • the filtrate 165 is first emptied from the structural unit 149 into a garbage disposal 173 until the filtrate container 163 is empty.
  • new detergent 155 is filled into the detergent container 153 of the structural unit 149 at a detergent tank 175 until it is full.
  • the reusable structural unit 149 is sent back to the user in a package 171. This can then insert the structural unit 149 back into the changing drawer 120 and the washing machine 11 is then ready for operation again.
  • the control 46 of the washing machine 11 can also use the history of the final washing processes decide whether and when a change makes sense. This can be displayed to an operator, who can then react or make a change. This could, for example, be analogous to a procedure with a laser printer in which a suggestion is made to change the device. However, the operator does not necessarily have to follow this first suggestion; the washing machine can still be used for a certain period of time.
  • a detergent container 353 is arranged with detergent 355 in it.
  • the detergent container 353 is provided with flexible walls, in particular it is designed as a foil bag. It essentially gets its stability from the fact that it is inserted into the detergent holder 350.
  • Detergent 355 can be dispensed through the detergent outlet 358, in particular into a washing process of the washing machine 11.
  • a bag with flexible walls is inserted to the left of the filtrate receptacle 360 as a filtrate container 363, in particular it is also designed as a foil bag.
  • Filtrate 365 was introduced via a filtrate inlet 368.
  • a filled bag-shaped filtrate container 363 with filtrate 365 is shown therein. It can either be thrown away completely, similar to this Fig. 5a, 6a or 7a , or be emptied. After being thrown away, it can be replaced with a fresh filtrate bag 363, which is then inserted into the filtrate receptacle 360.
  • the detergent container 353 is empty, which can be detected via the fill level sensor 351, it is removed from the detergent receptacle 350. It can either be thrown away directly by the user and disposed of, for example, in household waste or as a recyclable material. Alternatively, it could also be similar to this 5b and 6b sent away in a package for replacement. In any case, a full detergent container 353 with detergent 355 in it is then placed by the user into the changing drawer 320 and this is then pushed into the washing machine 11.
  • FIG. 9 Another embodiment of a removable drawer 420 with a common receptacle 450/460 for detergent and filtrate is shown.
  • Detergent container 453 and filtrate container 463 are in turn bag-like or flexible, but firmly connected to one another as a kind of two-chamber bag. The two bags are therefore attached to each other over the entire surface, for example.
  • the assembly 449 can be removed from the two containers 453 and 463 when there is no more detergent 455 in the detergent container 453 or the filtrate container 463 is full of filtrate 465. This can be detected via the two level sensors 451 and 461.
  • Fig. 9 Right in Fig. 9 is shown schematically how the assembly 449 is disposed of with the full filtrate container 463, for example in one of the Fig. 5 to 7 described manner. What comes back is a structural unit 449 consisting of a detergent container 453 with new detergent 455 in it and the associated filtrate container 463, which is still empty. This unit is placed back into the exchange drawer 420.
  • a detergent container 553 is designed as a bag, but is designed separately from a filtrate container 563 as a bag. This means that simpler containers or bags can be used.
  • the detergent container 553 and the filtrate container 563 are firmly and advantageously permanently connected, alternatively replaceable if damaged, with a connecting collar 548 made of sturdy plastic.
  • a detergent outlet 558 This is closed by two rubber lips 559, like this left in the Fig. 10 is shown. Then no detergent can accidentally run out, and the air exchange is as low as possible, which is an advantage for the quality and durability of the detergent.
  • a suction nozzle 557 can be inserted into the detergent outlet 558 including the rubber lip 559, which is then connected to it in a sealing manner.
  • the suction nozzle 557 extends to just before the bottom of the bag-like detergent container 553 and can thus remove or suck out essentially all of the detergent 555.
  • Fig. 10 shown how the filtrate inlet 568 is closed by means of the two rubber lips 569. If a filler neck 567 for the filtrate is introduced from above, it protrudes through the rubber lips 569 and thus has access to the interior of the filtrate container 563 in order to fill the filtrate into it.
  • one of the bag-like containers 553 or 563 can be easily removed from the connecting collar 548, it could either be cleaned or individually replaced with a new bag.
  • FIG. 11 A further representation of the invention is shown, in which a structural unit 649, which can be inserted into a previously described removable drawer, is shown from the side.
  • the structural unit 649 has, so to speak, a single rigid external container which essentially forms the detergent container 653 with detergent 655 in it.
  • a relatively small volume is shown as the filtrate container 663, so that not much filtrate or no filtrate 665 has been introduced here yet.
  • Detergent 655 and filtrate 665 are separated from each other by a film or separating membrane 664 in the detergent container 653.
  • a connecting collar 648 is again provided, through which a detergent outlet 658 leads at the bottom and a filtrate inlet 668 leads at the top.
  • the connecting collar 648 is closed by a seal 678.
  • This seal 678 is provided on a rotatable distributor head 677. This can be rotated about a horizontal axis of rotation shown here in dash-dotted lines.
  • the distributor head 677 In the position shown, the distributor head 677 is rotated so that detergent 655 flows through the detergent outlet 658 and a corresponding channel in the distributor head 677 into the suction nozzle 657 or another line. in particular, the corresponding line of the water pipe 22 can Fig. 1 are equivalent to. It can be seen that there is a certain distance between a lower end of a filler neck 667 for filtrate and the upper end of the distributor head 677.
  • an air inlet 679 shown here in simplified dashed lines, can lead to the filtrate inlet 668 and thus into the filtrate container 663, through which air can flow. Then a detergent 655 can flow out without any problems.
  • the distributor head 677 By turning the distributor head 677, it can also be determined whether the filtrate container is filled with filtrate or whether detergent is removed from the detergent container.
  • either the complex device of the connecting collar 648 and especially the distribution head 677 can be separated from the containers 653 and 663 so that they can either be thrown away separately or at least cleaned or sent to a disposal company.
  • connecting collar 668 and distributor head 677 can be arranged in the exchange drawer, to which the structural unit 649 is then sealed.

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Detail Structures Of Washing Machines And Dryers (AREA)

Claims (16)

  1. Appareil ménager à eau, en particulier lave-linge (11) ou lave-linge séchant, qui comprend :
    - une chambre de traitement (14) pour le nettoyage d'objets à l'intérieur,
    - un conduit d'eau (22, 24, 36) qui s'éloigne de la chambre de traitement (14) et qui se rapproche de la chambre de traitement (14),
    - un réceptacle (50, 150, 250, 350, 450) pour détergent (55, 155, 255, 355, 455, 555, 655) relié au conduit d'eau (22, 24, 36), le réceptacle pour détergent comprenant un réservoir de détergent (53, 153, 253, 353, 453, 553, 653) et étant disposé à l'intérieur de l'appareil ménager (11),
    - un dispositif de filtration (26) pour filtrer les particules, en particulier les fibres et/ou les microplastiques, de l'eau qui est guidée dans le conduit d'eau (22, 24, 36), qui est relié au conduit d'eau,
    - un réceptacle (60, 160, 260, 360, 460) pour le filtrat (65, 165, 265, 365, 465, 565, 665) provenant du dispositif de filtration (26), qui peut être relié ou est relié au dispositif de filtration,
    - le réceptacle (60, 160, 260, 360, 460) pour le filtrat présente un réceptacle de filtrat (63, 163, 263, 363, 463, 563, 663),
    - le réceptacle (50, 150, 250, 350, 450) pour le détergent (55, 155, 255, 355, 455, 555, 655) est relié de manière fixe au réceptacle (60, 160, 260, 360, 460) pour le filtrat (65, 165, 265, 365, 465, 565, 665) de telle sorte qu'ils font partie d'une unité de construction (49, 149, 249, 349, 449, 549, 649) pouvant être manipulée de manière autonome,
    - le réceptacle de filtrat (63, 163, 263, 363, 463, 563, 663) et le réceptacle de détergent (53, 153, 253, 353, 453, 553, 653) sont fermés vers l'extérieur,
    - le réceptacle de filtrat ou l'unité de construction (49, 149, 249, 349, 449, 549, 649) peut être retiré de l'appareil ménager (11),
    caractérisé en ce que
    - l'appareil ménager (11) présente un dispositif de mesure du niveau de remplissage (61) pour le réceptacle de filtrat (63, 163, 263, 363, 465, 563, 663), qui est conçu pour détecter le niveau de remplissage, le dispositif de mesure du niveau de remplissage (61) étant relié à une commande (46) de l'appareil ménager (11).
  2. Appareil ménager selon la revendication 1, caractérisé en ce que le réceptacle (50, 150, 450) pour le détergent (55, 155, 455, 555, 655) et le réceptacle (60, 160, 460) pour le filtrat (65, 165, 465, 565, 665) sont reliés entre eux de manière indissociable, notamment sous forme d'un ensemble, cet ensemble étant de préférence réalisé d'un seul tenant par injection de matière plastique et/ou par collage.
  3. Appareil ménager selon la revendication 1, caractérisé en ce que le réceptacle (250) pour le produit de lavage (255) et le réceptacle (260) pour le filtrat (265) sont formés en tant que composants séparés, étant reliés mécaniquement l'un à l'autre de manière détachable pour former une unité de construction (249), des moyens de liaison (248) étant prévus pour la liaison, lesquels sont choisis dans le groupe : vis, liaison magnétique, liaison par encliquetage, liaison par baïonnette, serrage.
  4. Appareil ménager selon l'une des revendications précédentes, caractérisé en ce que le réceptacle (50, 150, 250, 350, 450) pour produit de lavage (55, 155, 255, 355, 455, 655) et/ou le réceptacle (60, 160, 260, 360, 460) pour le filtrat (65, 165, 265, 365, 465, 665) présentent des parois rigides, le réceptacle (50, 150, 250, 350) pour le détergent (55, 155, 255, 355, 655) constituant de préférence le réservoir de détergent (53, 153, 253, 353, 653) et présente des parois rigides et/ou en ce que le réceptacle (60, 160, 260, 360, 460) pour le filtrat (65, 165, 265, 365, 665) forme le réceptacle de filtrat (53, 153, 253, 353, 653) et présente des parois rigides, le détergent (55, 155, 255, 355, 655) dans le réceptacle de détergent et/ou le filtrat (65, 165, 265, 365, 665) dans le réceptacle de filtrat étant directement en contact avec les parois du réceptacle respectif.
  5. Appareil ménager selon la revendication 4, caractérisé en ce que le réceptacle (150, 250, 350, 450) pour le produit de lavage (155, 255, 355, 455, 555, 655) contient un réceptacle de produit de lavage séparé amovible (153, 253, 353, 453, 553, 653) et/ou en ce que le réceptacle (160, 260, 360, 460) pour le filtrat (65, 165, 265, 365, 465, 665) contient un réceptacle de filtrat amovible séparé (53, 153, 253, 353, 653), le détergent dans le réceptacle de détergent et/ou le filtrat dans le réceptacle de filtrat étant directement en contact avec les parois du réceptacle respectif, les réceptacles étant en particulier fermés à l'exception d'un accès pouvant être fermé, de préférence soit le réceptacle de produit de lavage et/ou le réceptacle de filtrat présentant des parois rigides, soit le réceptacle de produit de lavage et/ou le réceptacle de filtrat présentant au moins une paroi flexible, de préférence à la manière d'un film, le réceptacle de produit de lavage (353, 453, 553, 653) et/ou le réceptacle de filtrat étant en particulier flexibles et souples.
  6. Appareil ménager selon la revendication 5, caractérisé en ce que les réceptacles de produit de lavage (353, 453, 553, 653) et/ou le réceptacle de filtrat (363, 463, 563, 663) sont réalisés sous forme de poches flexibles qui sont réalisés individuellement, les poches individuels étant de préférence disposés dans le réceptacle respectif (350, 450) et pouvant être retirés de celui-ci.
  7. Appareil ménager selon la revendication 5 ou 6, caractérisé en ce que le réceptacle de détergent (453) et le réceptacle de filtrat (463) sont formés ensemble comme un poche flexible à deux compartiments (449), de préférence le poche à deux compartiments étant placé dans le réceptacle (450) pour le détergent (455) et dans le réceptacle (460) pour le filtrat (465) et pouvant être retiré de ceux-ci, le réceptacle (450) pour le détergent (455) et le réceptacle (460) pour le filtrat (465) étant identiques et étant conçus comme un seul réceptacle commun pour le détergent (455) et le filtrat (465).
  8. Appareil ménager selon l'une des revendications 5 à 7, caractérisé en ce qu'une poche (353, 363, 453, 463, 553, 563, 653, 663) comporte un accès (558, 568, 658, 668) pouvant être fermé, le réceptacle (350, 450, 550, 650) pour le poche présente un raccordement intérieur (557, 567), le poche pouvant être raccordé de manière étanche par l'intermédiaire de l'accès au raccordement intérieur du réceptacle, le réceptacle présentant également un raccordement extérieur pour le raccordement étanche au conduit d'eau (22, 24, 36) ou l'appareil ménager (11), le raccord intérieur (557, 567) et le raccord extérieur étant reliés l'un à l'autre de manière à conduire les liquides, en particulier par l'intermédiaire d'un canal de passage ouvert (658, 668), le raccord intérieur et le raccord extérieur présentant de préférence des moyens d'étanchéité (678), de préférence sous forme de bague d'étanchéité.
  9. Appareil ménager selon l'une des revendications précédentes, caractérisé en ce que le réceptacle (50, 150, 250, 350) pour le détergent (55, 155, 255, 355, 555, 655) et le réceptacle pour le filtrat sont disposés sur ou dans une unité de construction interchangeable (149, 249, 349, 549, 649), l'unité interchangeable étant conçue et disposée dans l'appareil ménager (11) de telle sorte qu'elle puisse en être retirée sans outil, l'unité interchangeable pouvant notamment être retirée directement d'un côté extérieur de l'appareil ménager (11) ou être disposée derrière un habillage plat pouvant être ouvert sans outil en vue de son retrait.
  10. Appareil ménager selon l'une des revendications précédentes, caractérisé en ce que le réceptacle (50, 150, 250, 350) pour le produit de lavage (55, 155, 255, 355) ou le réceptacle (60, 160, 260, 360) pour le filtrat (65, 165, 265, 365) ou l'unité de construction interchangeable (149, 249, 349, 549, 649) selon la revendication 9, un moyen d'identification est disposé, le moyen d'identification étant de préférence conçu comme un code à barres (BC) pour une identification optique ou comme un module RFID pour une identification par radio.
  11. Appareil ménager selon l'une des revendications précédentes, caractérisé en ce que le contrôleur (46) de l'appareil électroménager (11) est relié à un afficheur de l'appareil électroménager (11) pour indiquer à un utilisateur lorsque le réservoir de filtrat (63, 163, 263, 363, 463, 563, 663) est plein ou lorsqu'un niveau de remplissage prédéterminé est dépassé.
  12. Procédé de fonctionnement d'un appareil ménager (11) selon la revendication 11, caractérisé en ce que le niveau de remplissage du réservoir de filtrat (63, 163, 263, 363, 463, 563, 663) est surveillé et indiqué à un utilisateur dès qu'un niveau de filtrat prédéterminé est dépassé.
  13. Procédé de fonctionnement d'un appareil ménager (11) selon l'une des revendications 1 à 11, caractérisé en ce que le réceptacle de filtrat et/ou le réceptacle de produit de lavage (53, 153, 253, 353, 453, 553, 653) sont retirés de l'appareil ménager (11), le réceptacle de filtrat (63, 163, 263, 363, 463, 563, 663) est vidé ou retiré pour être vidé, et le réceptacle de détergent (53, 153, 253, 353, 453, 553, 653) est rempli ou retiré pour être rempli, en particulier lors du prélèvement des réceptacles de filtrat (63, 163, 263, 363, 463, 563, 663) et/ou des réceptacles de détergent (53, 153, 253, 353, 453, 553, 653), le réceptacle respectif est détaché mécaniquement de l'unité de construction (49, 149, 249, 349, 449, 549, 649), de préférence après avoir retiré l'ensemble de l'appareil ménager (11) et en libérant les moyens de liaison selon la revendication 3, le réceptacle détaché ou les deux réceptacles étant éliminés ou remis à une entreprise d'élimination.
  14. Procédé selon la revendication 13, caractérisé en ce que le réceptacle détaché de l'unité de construction (49, 149, 249, 349, 449, 549, 649) est remplacé par un réceptacle de détergent rempli (53, 153, 253, 353, 453, 553, 653) et/ou par un réceptacle de filtrat vide (63, 163, 263, 363, 463, 563, 663), l'ensemble avec le réceptacle de détergent rempli (53, 153, 253, 353, 453, 553, 653) et/ou le réceptacle de filtrat vide (63, 163, 263, 363, 463, 563, 663) étant ensuite remis en place dans l'appareil ménager (11).
  15. Procédé selon la revendication 13 ou 14, caractérisé en ce que le réceptacle de détergent (453) et le réceptacle de filtrat (463) sont conçus ensemble comme un poche flexible à deux compartiments (449) selon la revendication 7, de préférence, le poche à deux compartiments (449) étant placé dans l'unique réceptacle commun (450, 460) pour le détergent (455) et le filtrat (465) et étant retiré de celui-ci, le poche à deux compartiments (449) étant mis au rebut ou donné à une entreprise d'élimination.
  16. Procédé selon la revendication 12 ou 13, caractérisé en ce que, pour retirer le réceptacle de filtrat (163, 263, 463, 563, 663) et le réceptacle de détergent (153, 253, 453, 553, 653), l'unité de construction (149, 249, 449, 549, 649) est retiré de l'appareil ménager (11) et mis au rebut, un nouvel ensemble avec le réceptacle de détergent rempli (153, 253, 453, 553, 653) et le réceptacle de filtrat vide (163, 263, 463, 563, 663) est inséré dans l'appareil ménager (11), l'unité de construction (149, 249, 449, 549, 649) étant notamment nettoyée pour être réutilisée, de préférence, le filtrat (165, 265, 465, 565, 665) est éliminé de manière appropriée et/ou le réceptacle de produit de lavage est rempli de produit de lavage (155, 255, 455, 555, 655).
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DE102022206901A1 (de) 2022-07-06 2024-01-11 BSH Hausgeräte GmbH Filtern von Mikroplastik aus einem Flüssigkeitsgemisch
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