EP3938569A1 - Appareil de soin du linge muni d'un élément filtrant - Google Patents

Appareil de soin du linge muni d'un élément filtrant

Info

Publication number
EP3938569A1
EP3938569A1 EP20711540.3A EP20711540A EP3938569A1 EP 3938569 A1 EP3938569 A1 EP 3938569A1 EP 20711540 A EP20711540 A EP 20711540A EP 3938569 A1 EP3938569 A1 EP 3938569A1
Authority
EP
European Patent Office
Prior art keywords
laundry care
care device
line
receiving chamber
filter element
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.)
Pending
Application number
EP20711540.3A
Other languages
German (de)
English (en)
Inventor
Andreas Bischof
Hans Eglmeier
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 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 Hausgeraete GmbH filed Critical BSH Hausgeraete GmbH
Publication of EP3938569A1 publication Critical patent/EP3938569A1/fr
Pending legal-status Critical Current

Links

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
    • 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
    • D06F2103/18—Washing liquid level
    • 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
    • D06F2103/38—Time, e.g. duration
    • 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
    • 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
    • D06F39/00—Details of washing machines not specific to a single type of machines covered by groups D06F9/00 - D06F27/00 
    • D06F39/08—Liquid supply or discharge arrangements
    • D06F39/081—Safety arrangements for preventing water damage
    • D06F39/082—Safety arrangements for preventing water damage detecting faulty draining operations, e.g. filter blockage, faulty pump
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F39/00—Details of washing machines not specific to a single type of machines covered by groups D06F9/00 - D06F27/00 
    • D06F39/08—Liquid supply or discharge arrangements
    • D06F39/083—Liquid discharge or recirculation 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

Definitions

  • the present invention relates to a laundry care device with a filter element.
  • washing liquid fluid-carrying lines through which washing liquid is pumped to clean the laundry.
  • contaminants such as e.g. Lint, dirt, or dust, taken up in the washing liquid and carried along by the washing liquid through the fluid-carrying lines.
  • certain device variants of conventional laundry care devices have filter elements through which the washing liquid flows in order to filter the washing liquid.
  • WO 2013/068300 A1 discloses a washing machine with a filtration device for filtering washing liquid.
  • filter element which is arranged advantageously accessible for the user of the laundry care device.
  • the object of the invention is achieved by a laundry care device with a device housing which has a housing top and one of the
  • Laundry care device has an upper device area, which faces the upper side of the housing, and / or has a lower device area, which the
  • Housing bottom is facing, at least one of an outer area of the
  • Laundry care device accessible by the user receiving chamber, which is arranged in the upper device area and / or in the lower device area, a tub for receiving washing liquid, the tub having a drain opening, a pump for conveying the washing liquid, a first line which the drain opening fluidly connects to the receiving chamber, and at least one filter element for filtering washing liquid, the filter element being arranged in the receiving chamber and designed to filter washing liquid conveyed through the receiving chamber, the laundry care device having a second line which fluidly connects the receiving chamber with an outer region of the Connects laundry care device, and wherein the pump is designed to deliver washing liquid from the tub through the first line into the receiving chamber, and the washing liquid filtered by the filter element from the receiving chamber through the to promote second line in the outside area of the laundry care device.
  • the laundry care device can have a single receiving chamber with a filter element, the receiving chamber being arranged either in the upper or lower area of the device, the receiving chamber being fluidly connected to the drain opening of the tub by the first line, and the receiving chamber being connected through the second Line fluidly with the
  • a first receiving chamber with a filter element which is arranged in the upper device area
  • a second Receiving chamber with filter element which is arranged in the lower device area
  • the first line fluidly connects the receiving chamber in the lower and upper device area to the drain opening of the tub
  • the second line fluidly connects the receiving chamber in the lower and upper device area to the outside area of the laundry care device, for example by means of a fluidic series connection the receiving chamber arranged in the lower and upper device area.
  • the receiving chamber accessible by the user is arranged, for example, in the upper area of the laundry care appliance, ensures particularly advantageous accessibility of the receiving chamber for the user, e.g. without the user having to bend down. Because the receiving chamber accessible by the user is arranged, for example, in the lower device area of the laundry care device, the advantageous accessibility can already be achieved through the existing intervention on the foreign body trap on the drain pump and the risk of mix-ups can be minimized.
  • the filter element which is arranged, for example, in the upper device area in the receiving chamber, is more visually perceptible by the user, so that the user can assess the condition of the filter element, in particular the degree of soiling of the filter element, in a particularly simple manner in order to
  • the filter element arranged, for example, in the lower device area in the receiving chamber is less present for the user positioned in front of the laundry care device, so that any unhygienic device appearance is reduced.
  • the hydraulic arrangement of the filter element in the pumping line of the laundry care device ensures, in particular, almost complete filtration of the washing liquid conveyed, whereas with conventional filter elements in pumping systems, due to the dilution, often not all impurities can be completely removed from the washing liquid.
  • the upper device area extends from the housing top to a device center arranged between the housing top and the housing bottom and / or the lower device area extends from the housing bottom to a device center arranged between the housing top and the housing bottom.
  • the device center arranged between the upper side of the housing and the lower side of the housing separates the laundry care device into the upper device area and the lower device area.
  • the receiving chamber can be designed as a receiving space arranged within the laundry care device, which is accessible by the user from the outside of the laundry care device, the filter element being arranged in the receiving space, and wherein the receiving space can be closed, in particular by a closure element of the laundry care device.
  • the receiving chamber in particular that in the upper
  • Device area arranged receiving chamber, as one within the
  • Laundry care device arranged detergent bowl receptacle be formed, which is accessible by the user from the outside of the laundry care device, wherein the laundry care device has a detergent bowl for receiving
  • the dispensing bowl is received in the dispensing bowl receptacle, and wherein the filter element is arranged in the dispensing bowl.
  • the receiving chamber in particular that in the lower
  • Device area arranged receiving chamber, as one within the
  • Laundry care device arranged foreign body trap receptacle be formed, which is accessible by the user from the outside of the laundry care device, wherein the laundry care device a foreign body trap for holding back
  • a laundry care device is understood to mean a device which is used for laundry care, such as a washing machine or a tumble dryer.
  • a laundry care device is understood to mean a household laundry care device. So a laundry care device, which is used in the context of housekeeping, and with which laundry is treated in household quantities.
  • the laundry care device In an advantageous embodiment of the laundry care device, the
  • Laundry care device on the upper device area, which faces the upper side of the housing, wherein the receiving chamber is arranged in the upper device area, and wherein the filter element is arranged in the upper device area
  • Receiving chamber in the upper device area an opening already present in the laundry care device in the upper device area, e.g. Dispensing bowl for holding laundry care substances, which can be used to hold the filter element.
  • the receiving chamber is ergonomically easy to access for the user, so that the user does not have to bend down, for example.
  • the laundry care device In an advantageous embodiment of the laundry care device, the
  • Laundry care device has the lower device area which faces the underside of the housing, wherein the receiving chamber is arranged in the lower device area, and wherein the filter element is arranged in the lower device area
  • Receiving chamber in the lower device area an opening already present in the laundry care device in the lower device area, e.g. for the inclusion of a
  • the laundry care device In an advantageous embodiment of the laundry care device, the
  • Laundry care device on the upper device area, which faces the upper side of the housing and the lower device area, which faces the lower side of the housing facing, wherein a first receiving chamber is arranged in the upper device area, wherein a second receiving chamber is arranged in the lower device area, wherein a first filter element is arranged in the first receiving chamber, and wherein a second filter element is arranged in the second receiving chamber.
  • first line fluidly connects the drain opening of the tub with the first and second receiving chamber and the second line fluidly connects the first and second receiving chamber to the outside of the laundry care device, for example by connecting the first and second receiving chamber in series.
  • first line connects the drain opening of the tub fluidly directly to the first receiving chamber and the second line fluidly connects the second receiving chamber directly to the exterior of the laundry care appliance, the first and second
  • Receiving chambers are in particular connected to one another fluidly by a connecting line.
  • the device housing has a housing front side and one facing away from the housing front side
  • the device housing has at least one housing opening which is arranged and formed on the housing front, the
  • the housing opening arranged on the front of the housing is in particular in the upper device area and / or lower
  • the device housing has on the front side of the housing an operating panel with at least one operating element and / or a front wall, which is arranged in particular below the operating panel, the at least one housing opening in the operating panel and / or
  • Front wall is arranged, the laundry care device in particular a
  • Has closure element which is designed to close the receiving chamber.
  • the positioning of the housing opening in the control panel and / or front wall enables particularly advantageous accessibility to the receiving chamber.
  • the receiving chamber is arranged in particular behind the control panel and / or front wall within the laundry care appliance and is the receiving chamber through the one in the control panel and / or front wall
  • housing opening accessible by the user.
  • housing opening which provides access to one in the upper device area
  • arranged receiving chamber allows, arranged in the control panel and / or a housing opening, which allows access to a receiving chamber arranged in the lower device area, is arranged in the front wall.
  • the at least one housing opening is arranged exclusively in the control panel or exclusively in the front wall.
  • the housing opening extends between the control panel and the front wall.
  • the front wall has an upper front wall area adjoining the control panel, in which a housing opening is formed, the upper front wall area covering the upper device area at the front.
  • the front wall has a lower area adjoining the upper front wall area
  • Front wall area in which a housing opening is formed, wherein the lower front wall area covers the lower device area on the front side.
  • the laundry care device has a dispensing bowl receptacle accessible through a housing opening, a dispensing bowl for receiving laundry care substance being received in the dispensing bowl receptacle, and having the
  • Laundry care device accessible through another housing opening Receiving space, the filter element being arranged in the receiving space and / or the dispensing bowl, and wherein in particular the closure element is designed to close the receiving space.
  • the filter element can be arranged in each of the induction bowl or in the reception space, or one filter element can be arranged in the induction bowl and in the reception space.
  • the receiving space can, for example, comprise a further receiving space in the upper device area.
  • the receiving space can include, for example, a foreign body drop receiving device in the lower device area.
  • the laundry care device In an advantageous embodiment of the laundry care device, the
  • Laundry care device has a detergent dispenser for receiving laundry care substance, and the receiving chamber is designed as a detergent dispenser receptacle, the detergent compartment being received in the detergent dispenser receptacle, in particular being received from the outside of the laundry care appliance, the filter element being arranged and formed in the dispensing compartment to filter the washing liquid pumped into the dispensing bowl, and wherein the pump is designed,
  • the filter element can also be arranged in a dispensing bowl, which the user can advantageously pull out of the receiving chamber designed as a dispensing bowl receptacle, for example to check the degree of contamination of the filter element or to replace the filter element. In this way, laundry care substance and the filter element can be introduced into the dispenser.
  • the laundry care device In an advantageous embodiment of the laundry care device, the
  • Laundry care device has a foreign body trap for holding back foreign bodies, and the receiving chamber is designed as a foreign body trap receptacle, the foreign body trap being received in the foreign body trap receptacle, the
  • Filter element is arranged and formed in the foreign body trap, in the
  • the laundry care device In an advantageous embodiment of the laundry care device, the
  • Laundry care device has a return line which fluidly connects the receiving chamber to the tub, the tub having in particular an inlet element which is fluidly connected to the return line, and the pump is designed to extract washing liquid from the
  • the return line can provide an effective pumping system in the laundry care device, so that the pump can convey washing liquid from the tub through the first line into the receiving chamber, and the one filtered by the filter element
  • the laundry care device In an advantageous embodiment of the laundry care device, the
  • the laundry care device has a controller, and the laundry care device has a first valve which is designed to fluidically block the return line in a first valve position and to fluidly release the second line, and which is designed to fluidly release the return line in a second valve position and the second To block the line fluidically, the controller being designed to switch the first valve between the first and second valve positions, the first valve being arranged in particular in the receiving chamber or in the second line.
  • washing liquid from the receiving chamber as part of a pumping over process through the return line back into the tub, or as part of a
  • the pumping process is promoted through the second line from the laundry care device.
  • the laundry care device In an advantageous embodiment of the laundry care device, the
  • the receiving chamber has an overflow which is fluidically connected to the return line, the overflow being formed, with a filter element blocked by impurities, washing liquid from the receiving chamber into the
  • washing liquid overflowing into the overflow enables the user to effectively recognize that the filter element accommodated in the receiving chamber is blocked by impurities, so that the user can then clean or replace the filter element.
  • the pump is designed in the case of a filter element not blocked by impurities, the washing liquid filtered by the filter element from the receiving chamber through the second line into the outer area of the
  • the overflow comprises a riser pipe, so that the pump in the event of a filter element blocked by impurities
  • a sensor in particular a fill level sensor for detecting a change in a fill level of washing liquid in the tub during a time interval, it can be detected as soon as washing liquid flows through the overflow and through the return line washing liquid back into the tub, so that the controller reacts to this Can activate output element of the laundry care device to output a message to the user.
  • the laundry care device has an output element for outputting a message to the user of the laundry care device, the laundry care device having a controller, and the laundry care device having a level sensor for detecting a change in the level of washing liquid in the tub during a period of time , wherein the controller is designed to activate the output element for outputting a message to the user as a function of a detected change in the filling level of washing liquid in the tub.
  • the controller can use a comparison of the detected level change with a level change threshold value to detect if the level has not fallen sufficiently due to a reduced delivery rate during the pumping process, and can conclude from this that the filter element is blocked.
  • the laundry care device In an advantageous embodiment of the laundry care device, the
  • Laundry care device has a control, the laundry care device has a second valve which is arranged in the first line, and the laundry care device has a parallel line which is fluidically connected to the second valve and which is fluidically connected to the second line to supply washing liquid from the first line through the parallel line into the second line without the
  • the second valve is designed to fluidically block the parallel line in a first valve position and to fluidically release the first line, and which is designed in a second
  • Valve position to release the parallel line fluidly and to fluidically block the first line
  • the controller being designed to switch the second valve between the first and second valve positions.
  • the washing liquid can either be filtered or pumped out of the laundry care device unfiltered.
  • the laundry care device In an advantageous embodiment of the laundry care device, the
  • Laundry care device has a third line which fluidly connects the tub with the outside area of the laundry care device, and the laundry care device has a further pump, the further pump being designed to transfer washing liquid from the tub through the third line into the outside area of the
  • Lye container is fluidly connected.
  • the pump activated by the control or another pump it can either be filtered through the first line, through the receiving chamber and through the second line, or the washing liquid can be pumped out of the laundry care device directly and unfiltered through the third line.
  • the laundry care device In an advantageous embodiment of the laundry care device, the
  • Laundry care device has a control which is designed during a first pumping out process to activate the pump for conveying the washing liquid through the first line through the receiving chamber and through the second line in order to supply washing liquid filtered through the filter element to the exterior of the laundry care device, and which during a Another pumping process is designed to activate the further pump for conveying the washing liquid through the third line in order to supply unfiltered washing liquid to the outside area of the laundry care device.
  • the laundry care device has a controller, the laundry care device has a first valve, which is arranged in the receiving chamber or in the second line, and the laundry care device has a return line which is fluidically connected to the first valve and to the Lye container is connected, wherein the first valve is designed to fluidly block the return line in a first valve position and to fluidically release the second line, and which is designed to fluidically release the return line in a second valve position and to fluidically block the second line, the The controller is designed to switch the first valve between the first and second valve positions.
  • washing liquid can be effectively conveyed back into the tub as part of a pumping process through the return line that can be fluidly released by the first valve.
  • the first valve which is fluidly arranged downstream of the filter element in the receiving chamber or in the second line, is characterized in particular by a reduced susceptibility to clogging due to contamination.
  • the laundry care device In an advantageous embodiment of the laundry care device, the
  • Laundry care device has a second valve, which is arranged in the first line, and the laundry care device has a parallel line which is fluidly connected to the second valve and which is fluidically connected to the second line in order to transfer washing liquid from the first line through the parallel line to convey into the second line without conveying the washing liquid through the filter element, the second valve being designed to fluidically block the parallel line in a first valve position and to fluidically release the first line, and which is designed to fluidly release the parallel line in a second valve position fluid power
  • controller is designed to switch the second valve between the first and second valve positions.
  • the filter element has a single filter device, or the filter element has a plurality of filter devices which are fluidly arranged one after the other in the filter element.
  • the laundry care device In an advantageous embodiment of the laundry care device, the
  • Receiving chamber has a chamber projection and a pressure piece
  • the filter element rests on the chamber projection, and wherein the pressure piece rests on the filter element, in particular in a non-positive manner, to the filter element in the
  • the pressure piece provides a particularly advantageous, in particular non-positive, fastening of the filter element in the
  • Pressure piece and the chamber projection arranged a sealing element to ensure a fluid-tight seal.
  • FIG. 1 shows a schematic view of a laundry care device
  • Fig. 2 is a schematic view of a laundry care device with a
  • Filter element according to a first embodiment 3 shows a schematic view of a laundry care device with a filter element according to a second embodiment
  • Fig. 4 is a schematic view of a laundry care device with a
  • Fig. 5 is a schematic view of a laundry care device with a
  • FIG. 6 shows a schematic view of a laundry care device with a
  • FIG. 7 shows a schematic view of a laundry care device with a
  • FIG. 8 shows a schematic view of a laundry care appliance with a
  • FIG. 9 shows a schematic view of a laundry care appliance with a
  • Fig. 10 is a schematic view of a laundry care device with a
  • FIG. 11 shows a schematic view of a laundry care appliance with a
  • FIG. 12 shows a schematic view of a laundry care appliance with a
  • FIG. 13 shows a schematic view of a laundry care appliance with a
  • Filter element according to a twelfth embodiment shows a schematic view of a laundry care appliance with a
  • 15 shows a schematic view of a laundry care appliance with a
  • Fig. 1 shows a schematic view of a laundry care device 100, e.g. a washing machine.
  • the laundry care device 100 comprises a rinsing bowl 101 into which washing care substance, such as e.g. Detergent, can be filled.
  • the laundry care device 100 comprises a door 103 for loading the laundry care device 100 with laundry.
  • the laundry care device 100 has a device housing 102 which has a housing top side 102-1, a housing bottom side 102-2 facing away from the housing top side 102-1, and two housing longitudinal sides 102-3 facing away from one another. Furthermore, the device housing 102 has a housing front side 102-4 and a housing rear side 102-5 facing away from the housing front side 102-4, the housing rear side 102-5 being shown only schematically in the illustration shown in FIG. 1.
  • the door 103 is arranged on the housing front side 102-4 of the laundry care device 100.
  • the laundry care device 100 has an upper device area 100-1 which faces the housing top side 102-1, and has a lower device area 100-2 which faces the housing bottom side 102-2.
  • the upper device area 100-1 extends from the housing top 102-1 to a device center 100-3 arranged between the housing top 102-1 and the housing bottom 102-2 and / or the lower device area 100-2 extends from the housing bottom 102- 2 to a device center 100-3 arranged between the housing top side 102-1 and the housing bottom side 102-2.
  • the laundry care device 100 has a control panel 104-1 with at least one control element 104-2 for operating the laundry care device 100, which is arranged on the housing front side 102-4 of the laundry care device 100 and extends at least in sections along the housing top side 102-1 of the laundry care device 100, wherein the dispensing bowl 101 is received in the control panel 104-1.
  • the dispenser 101 is accommodated in a receiving chamber 107 of the laundry care device 100, which is only shown schematically in FIG. 1 as a dispenser receptacle 107-1, and is in particular received in an insertable manner through a housing opening 106-1 in the dispenser receptacle 107-1.
  • a filter element (not shown in FIG. 1) of the laundry care appliance 100 can be arranged in the dispensing bowl 101.
  • the control panel 104-1 in particular the control element 104-2 and the dispensing bowl 101, is arranged in the upper appliance area 100-1 of the laundry care appliance 100.
  • the device housing 102 has a further housing opening 106-2, which has an outer area 105 of the laundry care device 100 with a further receiving chamber
  • the further receiving chamber 107 connects, the further receiving chamber 107 being designed as a receiving space 107-2.
  • the further housing opening 106-2 and the receiving space 107-2 are arranged in the upper appliance area 100-1 of the laundry care appliance 100.
  • a user of the laundry care device 100 can gain access to the receiving space 107-2 of the laundry care device 100 through the further housing opening 106-2 in order to e.g. to replace a filter element, not shown in FIG. 1, of the laundry care device 100.
  • control panel 104-1 or a front wall arranged on the housing front side 102-4 of the laundry care device 100 below the control panel 104-1
  • the receiving space 107-2 is arranged in the upper appliance area 100-1 of the laundry care appliance 100.
  • the receiving space 107-2 can be closed by a closure element (not shown in FIG. 1), in particular a closure flap.
  • Fig. 2 shows a schematic view of a laundry care device with a filter element according to a first embodiment.
  • the laundry care device 100 has a tub 109 for receiving
  • a laundry drum arranged in the tub 109 for receiving laundry is not shown in FIG.
  • the tub 109 has a drain opening 111 in order to drain the washing liquid from the tub 109.
  • the laundry care device 100 has a first line 113 which fluidly connects the drain opening 111 with one of a
  • Receiving chamber 107 in particular the dispensing bowl mount 107-2 and / or
  • the laundry care device 100 connects.
  • the laundry care device 100 has a second line 115 which fluidly connects the receiving chamber 107 to an outer area 105 of the laundry care device 100.
  • Laundry care device 100 also has a pump 117 for conveying washing liquid in a pumping direction 119.
  • the receiving chamber 107 is in a
  • the receiving chamber 107 is in particular through a housing opening 106-1, 106-2, not shown in FIG.
  • Housing front 102-4 accessible by the user.
  • the laundry care device 100 has a filter element 121 for filtering washing liquid, the filter element 121 being arranged in the receiving chamber 107 and being designed to filter washing liquid conveyed through the receiving chamber 107.
  • the pump 117 is designed to convey washing liquid from the tub 109 through the drain opening 111 and through the first line 113 into the receiving chamber 107, and the pump 117 is designed to convey the washing liquid filtered by the filter element 121 from the receiving chamber 107 through the second line 115 to promote in the outer area 105 of the laundry care device 100.
  • a dispenser 101 (not shown in FIG. 2) for receiving laundry care substance can also be accommodated in the receiving chamber 107, and the filter element 121 can be arranged in the dispenser in order to filter washing liquid conducted into the dispenser 101.
  • the pump 117 is designed in particular to convey washing liquid from the tub 109 through the drain opening 111 and through the first line 113 into the induction bowl 101 accommodated in the receiving chamber 107, and the pump 117 is designed, which is fed through the
  • Filter element 121 to convey filtered washing liquid from the dispensing bowl 101 through the second line 115 into the outer region 105 of the laundry care device 100.
  • the advantage of the arrangement of the filter element 121 in the receiving chamber 107, or in the dispensing bowl 101 received in the receiving chamber 107, is that the user of the laundry care device 100 has advantageous, in particular ergonomically favorable, access to the filter element 121, e.g. about that
  • the detergent bowl 101 accommodated in the detergent bowl receptacle 107-2 is arranged in an upper device area 100-1 of the laundry care device 100, a user of the laundry care device 100 has to access the receiving chamber 107 from the outer area 105 of the laundry care device 100, e.g. do not stoop, and can e.g. also visually advantageously recognize the degree of contamination of the filter element 121 in order to initiate the necessary cleaning and maintenance measures.
  • the filter element 121 according to the present disclosure which is arranged in the receiving chamber 107, ensures an almost complete filtration of the washing liquid, whereas in the case of filtration in a conventional pumping system, in particular due to the continuous thinning of the washing liquid, often only an incomplete filtration of the washing liquid is possible.
  • FIG. 2 shows a schematic view of a laundry care device with a filter element according to a second embodiment.
  • Embodiment differs in particular from the laundry care device 100 according to the first embodiment shown in FIG. 2 in that the
  • Laundry care device 100 has a return line 127 which the
  • the receiving chamber 107 fluidly connects to the tub 109.
  • the tub 109 has in particular an inlet element 129 which is fluidically connected to the return line 127.
  • the pump 117 is designed, washing liquid from the receiving chamber 107 through the
  • the laundry care device 100 has a first valve 131 which is designed to fluidically block the return line 127 in a first valve position and to fluidically release the second line 115, and which is designed to fluidly release the return line 127 and the second line in a second valve position 115 fluidly blocked.
  • the first valve 131 as shown in FIG. 3, is arranged in the second line 115, or alternatively in the receiving chamber 107.
  • Controller 125 which is connected in terms of control technology, is designed to switch the valve between the first and second valve positions.
  • the pump 117 thus delivers in the first valve position of the first valve 131
  • Receiving chamber 107 and from the receiving chamber 107 through the second line 115 into the outer area 105 of the laundry care device 100.
  • the pump 117 delivers washing liquid from the tub 109 through the first line 113 into the Receiving chamber 107, and from the receiving chamber 107 through the
  • an overflow (not shown in FIG. 3 and directly fluidly connected to the return line 127, can be arranged in the receiving chamber 107 in front of the first valve 131, the overflow being formed with a filter element 121 blocked by impurities from the receiving chamber 107 to lead into the return line 127.
  • the washing liquid can thus flow through the filter element 121 and the filtered washing liquid can then be conveyed out of the laundry care device 100 in the pumping direction 119 through the second line 115.
  • the permeability of the filter element 121 is reduced, as a result of which the level of the washing liquid present in the receiving chamber 107 rises until the level when the filter element 121 is blocked by a large number of
  • the laundry care device 100 has a fill level sensor 137, which is connected to the controller 125 through a third control connection 139, and which is designed to change a fill level from
  • the controller 125 is designed in particular to activate an output element of the laundry care device 100 (not shown in FIG. 3) for outputting a message to the user depending on a change in the fill level of washing liquid in the tub 109 detected by the fill level sensor 137. If, for example, the detected filling level of washing liquid in the tub 109 does not drop or only drops to a small extent during a pumping process of washing liquid, the controller 125 can block the
  • FIG. 4 shows a schematic view of a laundry care device with a filter element according to a third embodiment. With respect to that shown in FIG.
  • Laundry care device 100 according to the third embodiment reference is made to the explanations relating to the laundry care device 100 according to the first and second embodiment shown in FIG. 2 and FIG. 3.
  • the laundry care device 100 shown in FIG. 4 has a third line 141 which fluidly connects the tub 109 to the outer area 105 of the
  • Laundry care device 100 connects.
  • the third line 141 is fluidly connected, in particular, to the drain opening 111 of the tub 109 or to a further drain opening 145 of the tub 109.
  • the laundry care device 100 has a further pump 143 which is designed to remove washing liquid from the
  • the controller 125 is connected to the pump 117 by a first control connection 123 and to the further pump 143 by a fourth control connection 147.
  • the controller 125 is designed to activate the pump 117 for conveying the washing liquid through the first and second lines 113, 115 during a first pumping out process in order to transfer washing liquid filtered through the filter element 121 in one
  • the controller 125 is designed during a further pumping process to activate the further pump 143 for conveying the washing liquid through the third line 141, in order to supply unfiltered washing liquid in a further pumping direction 149 to the outer area 105 of the laundry care device 100.
  • Filter element 121 filtered washing liquid or unfiltered washing liquid can be fed to the outer region 105 of the laundry care device 100 without a valve having to be used for this purpose.
  • FIG. 5 shows a schematic view of a laundry care device with a filter element according to a fourth embodiment.
  • Embodiment reference is made to the statements relating to the laundry care device 100 illustrated in FIG. 2, FIG. 3 and FIG. 4 according to the first, second or third embodiment.
  • the laundry care device 100 shown in FIG. 5 has a second valve 151 which is arranged in the first line 113.
  • the laundry care device 100 has a parallel line 153 which is fluidly connected to the second valve 151 and which is fluidically connected to the second line 115 in order to convey washing liquid from the first line 113 through the parallel line 153 into the second line 115 without to convey the washing liquid through the filter element 121 arranged in the receiving chamber 107.
  • the second valve 151 is designed to fluidly shut off the parallel line 153 in a first valve position and to fluidically release the first line 113, and the second valve 151 is designed to fluidically release the parallel line 153 in a second valve position and to fluidically shut off the first line 113 .
  • a controller 125 (not shown in FIG. 5) is designed to switch the second valve 151 between the first and second valve positions.
  • the washing liquid conveyed by the pump 117 can pass through the first line 113, through the in the The filter element 121 accommodated in the receiving chamber 107 and filtered out through the second line 115 from the laundry care device 100.
  • the washing liquid conveyed by the pump 117 is discharged unfiltered from the laundry care device 100 through the first line 113, through the parallel line 153 and through the second line 115.
  • the laundry care device 100 also has a first valve 131 which is designed to fluidically block a return line 127 in a first valve position and to fluidically release the second line 115, and which is designed to fluidly release the return line 127 in a second valve position to enable fluid technology and to block the second line 115 fluidly, so that the washing liquid conveyed by the pump 117 is also returned to the tub 109 in the return pumping device 135 as part of a pumping over process.
  • FIG. 6 shows a schematic view of a laundry care device with a filter element according to a fifth embodiment.
  • the laundry care device 100 shown in FIG. 6 has a first valve 131 which is designed to fluidically block a return line 127 in a first valve position and to fluidically release the second line 115, and which is designed to fluidically release the return line 127 in a second valve position and to fluidically block the second line 115 so that the washing liquid conveyed by the pump 117 is also returned to the tub 109 in the pumping back direction 135 as part of a pumping over process.
  • FIG. 7 shows a schematic view of a laundry care device with a filter element according to a sixth embodiment.
  • laundry care device 100 With regard to the laundry care device 100 according to the sixth embodiment shown in FIG. 7, reference is made to the explanations with regard to that in FIG. 2 or FIG. 3 or FIG. 4 or FIG. 5 or FIG 6 according to the first, or second, or third, or fourth or fifth embodiment.
  • a first valve 131 and a second valve 151 are used.
  • FIG 8 shows a schematic view of a laundry care device with a filter element according to a seventh embodiment.
  • the laundry care device 100 according to the seventh embodiment shown in FIG. 8 corresponds to the laundry care device 100 shown in FIG. 1, except that the laundry care device 100 shown in FIG is arranged with a filter element 121.
  • the device housing 102 has a further housing opening 106-3 which connects an outer area 105 of the laundry care device 100 to the second receiving chamber 107, 107-3.
  • a user of the laundry care device 100 can gain access to the second receiving chamber 107, 107-3 of the laundry care device 100 through the further housing opening 106-3 in order, for example, to exchange a filter element 121 of the laundry care device 100 (not shown in FIG. 8).
  • Filter element 121 shown is part of a foreign body trap for retaining foreign bodies.
  • the front wall 108 arranged on the housing front side 102-4 of the laundry care device 100 below the control panel 104-1 has the further housing opening 106-3.
  • the second receiving chamber 107, 107-3 can be closed by a closure element, not shown in FIG. 8, in particular a closure flap.
  • the laundry care device 100 can also have only the second receiving chamber 107, 107-3 in the lower device area 100-2, and no first receiving chamber 107, 107-1, 107-2 in the upper device area 100-1.
  • FIG 9 shows a schematic view of a laundry care device with a filter element according to an eighth embodiment.
  • the laundry care device 100 shown in FIG. 9 according to the eighth embodiment corresponds to the laundry care device 100 shown in FIG. 2 according to the first
  • Laundry care device 100 is arranged.
  • the second receiving chamber 107, 107-3, not shown directly in FIG. 9, is accessible by the user, in particular through a housing opening 106-3, not shown in FIG. 9, on a housing front side 102-4.
  • a foreign body trap with the filter element 121 for holding back foreign bodies is arranged in the second receiving chamber 107, 107-3.
  • FIG. 10 shows a schematic view of a laundry care device with a
  • the laundry care device 100 according to the ninth embodiment shown in FIG. 10 corresponds to the laundry care device 100 according to the second embodiment shown in FIG. 2, except that a first receiving chamber 107, 107-1, 107-2 is arranged in the upper device area 100-1 facing the housing top 102-1, and that the
  • Laundry care device 100 has a second receiving chamber 107, 107-3 with the filter element 121 in a lower device area 100-2 of the laundry care device 100 facing a housing underside 102-2.
  • a foreign body trap with the filter element 121 for holding back foreign bodies is arranged in the second receiving chamber 107, 107-3.
  • Fig. 11 shows a schematic view of a laundry care device with a
  • the laundry care device 100 according to the tenth embodiment shown in FIG. 11 corresponds to the laundry care device 100 according to the second embodiment shown in FIG. 3, except that the second receiving chamber 107, 107-3 shown in FIG Housing bottom 102-2 facing lower device area 100-2 of the laundry care device 100 is arranged.
  • the second receiving chamber 107, 107-3 is accessible by the user in particular through a housing opening 106-3, not shown in FIG. 11, on a housing front side 102-4.
  • a foreign body trap with the filter element 121 for holding back foreign bodies is arranged in the second receiving chamber 107, 107-3.
  • Fig. 12 shows a schematic view of a laundry care device with a
  • the laundry care device 100 shown in FIG. 12 according to the eleventh embodiment corresponds to the laundry care device 100 shown in FIG. 4 according to the third
  • Embodiment except that the second receiving chamber 107, 107-3 shown in FIG. 12 with the filter element 121 is arranged in a lower device area 100-2 of the laundry care device 100 facing a housing bottom 102-2.
  • the second receiving chamber 107, 107-3 is accessible by the user in particular through a housing opening 106-3, not shown in FIG. 12, on a housing front side 102-4.
  • a foreign body trap with the filter element 121 for holding back foreign bodies is arranged in the second receiving chamber 107, 107-3.
  • Fig. 13 shows a schematic view of a laundry care device with a
  • Filter element according to a twelfth embodiment.
  • the laundry care device 100 according to the twelfth embodiment shown in FIG. 13 corresponds to the laundry care device 100 according to the fourth embodiment shown in FIG. 5, except that the second receiving chamber 107, 107-3 shown in FIG Housing bottom 102-2 facing lower device area 100-2 of the laundry care device 100 is arranged.
  • the second receiving chamber 107, 107-3 is accessible by the user, in particular through a housing opening 106-3, not shown in FIG. 13, on a housing front side 102-4.
  • a foreign body trap with the filter element 121 for holding back foreign bodies is arranged in the second receiving chamber 107, 107-3.
  • FIG. 14 shows a schematic view of a laundry care appliance with a
  • Embodiment corresponds to the laundry care device 100 shown in FIG. 6 according to the fifth embodiment, except that the second embodiment shown in FIG. 6
  • Laundry care device 100 is arranged.
  • the second receiving chamber 107, 107-3 is accessible by the user in particular through a housing opening 106-3, not shown in FIG. 14, on a housing front side 102-4.
  • a foreign body trap with the filter element 121 for holding back foreign bodies is arranged in the second receiving chamber 107, 107-3.
  • 15 shows a schematic view of a laundry care device with a
  • Embodiment corresponds to the laundry care device 100 shown in FIG. 7 according to the sixth embodiment, except that in the second receiving chamber 107, 107-3 shown in FIG. 14 with the filter element 121 in a
  • Laundry care device 100 is arranged.
  • the second receiving chamber 107, 107-3 is accessible by the user in particular through a housing opening 106-3, not shown in FIG. 15, on a housing front side 102-4.
  • a foreign body trap with the filter element 121 for holding back foreign bodies is arranged in the second receiving chamber 107, 107-3.

Landscapes

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

Abstract

La présente invention concerne un appareil de soin du linge (100) muni de : un boîtier d'appareil (102) qui comprend une face supérieure de boîtier (102-1) et une face inférieure de boîtier (102-2) opposée à la face supérieure de boîtier (102-1), l'appareil de soin du linge (100) comprenant une zone d'appareil supérieure (100-1) qui est tournée vers la face supérieure de boîtier (102-1) et/ou une zone d'appareil inférieure (100-2) qui est tournée vers la face inférieure de boîtier (102-2) ; au moins une chambre de réception (107, 107-1, 107-2, 107-3), accessible par l'utilisateur depuis une zone externe (105) de l'appareil de soin du linge (100), qui est disposée dans la zone d'appareil supérieure d'appareil (100-1) et/ou dans la zone d'appareil inférieure (100-2) ; un récipient de lessive (109) pour recevoir un liquide de lavage, le récipient de lessive (109) comprenant une ouverture de vidange (111) ; une pompe (117) pour transporter le liquide de lavage ; une première conduite (113) qui relie de manière fluidique l'ouverture de vidange (111) à la chambre de réception (107, 107-1, 107-2, 107-3) ; et au moins un élément filtrant (121) pour filtrer le liquide de lavage. L'élément filtrant (121) est disposé dans la chambre de réception (107, 107-1, 107-2, 107-3) et est conçu pour filtrer le liquide de lavage transporté à travers la chambre de réception (107, 107-1, 107-2, 107-3). L'appareil de soin du linge (100) comprend une seconde conduite (115) qui relie de manière fluidique la chambre de réception (107, 107-1, 107-2, 107-3) à une zone externe (105) de l'appareil de soin du linge (100). La pompe (117) est conçue pour transporter le liquide de lavage depuis le récipient de lessive (109) par la première conduite (113) dans la chambre de réception (107, 107-1, 107-2) et pour transporter le liquide de lavage filtré par l'élément filtrant (121) depuis la chambre de réception (107, 107-1, 107-2) par la seconde conduite (115) dans la zone externe (105) de l'appareil de soin du linge (100).
EP20711540.3A 2019-03-15 2020-03-10 Appareil de soin du linge muni d'un élément filtrant Pending EP3938569A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102019203576.0A DE102019203576A1 (de) 2019-03-15 2019-03-15 Wäschepflegegerät mit einem Filterelement
PCT/EP2020/056289 WO2020187638A1 (fr) 2019-03-15 2020-03-10 Appareil de soin du linge muni d'un élément filtrant

Publications (1)

Publication Number Publication Date
EP3938569A1 true EP3938569A1 (fr) 2022-01-19

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EP20711540.3A Pending EP3938569A1 (fr) 2019-03-15 2020-03-10 Appareil de soin du linge muni d'un élément filtrant

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EP (1) EP3938569A1 (fr)
CN (1) CN113574221B (fr)
DE (1) DE102019203576A1 (fr)
WO (1) WO2020187638A1 (fr)

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DE102022207149A1 (de) 2022-07-13 2024-01-18 BSH Hausgeräte GmbH Rückspülen von Partikelfiltern durch Einspüldüsen

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101092433B1 (ko) * 2004-06-01 2011-12-13 엘지전자 주식회사 드럼세탁기의 배수시스템
JP2009131400A (ja) * 2007-11-29 2009-06-18 Sanyo Electric Co Ltd 洗濯乾燥機
JP2011224228A (ja) * 2010-04-22 2011-11-10 Hitachi Appliances Inc 洗濯乾燥機および洗濯機
IT1404532B1 (it) * 2011-02-24 2013-11-22 Indesit Co Spa Lavatrice con filtro estraibile selettivamente.
EP2554737B1 (fr) * 2011-08-01 2014-03-26 Electrolux Home Products Corporation N.V. Machine à laver le linge
DE102011086137B4 (de) 2011-11-11 2019-08-22 BSH Hausgeräte GmbH Waschmaschine mit Filtrationsvorrichtung und Verfahren zu ihrem Betrieb
DE102012111505A1 (de) * 2012-11-28 2014-05-28 Miele & Cie. Kg Verfahren zum Betreiben einer Wasch- oder Geschirrspülmaschine und Wasch- oder Geschirrspülmaschine zur Durchführung des Verfahrens
US10329707B2 (en) * 2013-04-09 2019-06-25 Whirlpool Corporation Laundry treating appliance with pre-filter backwashing
CN104711824B (zh) * 2013-12-12 2018-09-04 青岛海尔洗衣机有限公司 一种节水洗衣机及控制方法
CN204058990U (zh) * 2014-05-06 2014-12-31 青岛海尔滚筒洗衣机有限公司 一种滚筒洗衣机
CN105506934B (zh) * 2014-09-22 2019-08-09 青岛海尔智能技术研发有限公司 洗衣机的过滤组件的自清洁方法
DK2816150T3 (en) * 2014-09-24 2018-05-22 V Zug Ag Aquatic household appliance with lye filter
SE539864C2 (en) 2016-05-24 2017-12-27 Roderinno Ab A combined detergent and filter unit, and a machine configured to use the combined unit
JP6936593B2 (ja) * 2017-03-06 2021-09-15 東芝ライフスタイル株式会社 洗濯機

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CN113574221B (zh) 2023-08-25
DE102019203576A1 (de) 2020-09-17
WO2020187638A1 (fr) 2020-09-24
CN113574221A (zh) 2021-10-29

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