EP3075896A1 - Procede et dispositif de post-traitement de linge - Google Patents

Procede et dispositif de post-traitement de linge Download PDF

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Publication number
EP3075896A1
EP3075896A1 EP16000310.9A EP16000310A EP3075896A1 EP 3075896 A1 EP3075896 A1 EP 3075896A1 EP 16000310 A EP16000310 A EP 16000310A EP 3075896 A1 EP3075896 A1 EP 3075896A1
Authority
EP
European Patent Office
Prior art keywords
laundry
spot
plasma
item
sensor
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.)
Withdrawn
Application number
EP16000310.9A
Other languages
German (de)
English (en)
Inventor
Wilhelm Bringewatt
Mathias Wöhler
Engelbert Heinz
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.)
Herbert Kannegiesser GmbH and Co
Original Assignee
Herbert Kannegiesser GmbH and Co
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 Herbert Kannegiesser GmbH and Co filed Critical Herbert Kannegiesser GmbH and Co
Publication of EP3075896A1 publication Critical patent/EP3075896A1/fr
Withdrawn legal-status Critical Current

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    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F34/00—Details of control systems for washing machines, washer-dryers or laundry dryers
    • D06F34/14—Arrangements for detecting or measuring specific parameters
    • 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
    • D06F2103/64—Radiation, e.g. microwaves
    • D06F2103/66—Radiation, e.g. microwaves for treatment of laundry otherwise than by drying, e.g. using UV light
    • 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
    • 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
    • D06F67/00—Details of ironing machines provided for in groups D06F61/00, D06F63/00, or D06F65/00
    • D06F67/04—Arrangements for feeding or spreading the linen

Definitions

  • the invention relates to a method for the after-treatment of items of laundry according to claim 1 and to a device for the after-treatment of items of laundry according to claim 9.
  • the present invention is therefore based on the object to provide a method and an apparatus, which are determined spots on laundry items and can be removed specifically.
  • a method for achieving this object is described by claim 1. Accordingly, it is provided that items of laundry after cleaning or after washing are examined for any remaining spots out. Become at This investigation stains on the laundry are determined according to the invention targeted by a plasma treatment, at least as far as possible removed. It is envisaged that the aftertreatment takes place, for example, on items of laundry which were previously treated by a defect. The individual items of laundry lie in a flat spread state on a belt conveyor. However, the present invention should not be limited thereto. Rather, it is also envisaged that the invention is applicable to items of laundry that leave a finisher in, for example, a hanging state, or that the claimed method takes place directly in the finisher.
  • the treatment of laundry items by a plasma jet is advantageous inasmuch as plasma can be produced in a simple manner as well as energy and energy density selective. Furthermore, a plasma consisting of electrically charged particles can be directed to where it is needed. By a targeted plasma treatment of the laundry, it is no longer necessary to subject the entire laundry a post-treatment. By such a selective application of the aftertreatment, above all, time is saved.
  • the present invention also provides that, for determining the at least one spot, in particular for determining the position of the at least one spot on the item of laundry, the items of laundry move relative to a sensor device, in particular at least one sensor, a sensor bar, a sensor array or a camera system becomes.
  • a sensor device in particular at least one sensor, a sensor bar, a sensor array or a camera system.
  • the item of laundry is either laid flat on a conveyor belt or suspended on a transport rail along a conveying direction.
  • the invention further provides that over the item of laundry, in the case of pretreatment by a defect, or next to the item of laundry, in the case of pretreatment by a finisher, for example, a sensor bar or a sensor bar is positioned, which at least partially scans the laundry item ,
  • a finisher it can also be provided that both sides of the item of laundry are scanned by a respective sensor device or a sensor strip. Due to the continuous movement of the item of laundry, it is no longer necessary for the sensor device to move itself. It thus turns out to be advantageous that the items of laundry can be examined for stains, without the transport of the laundry being disturbed or influenced.
  • the present invention can further provide that the at least one sensor or the sensor array or the camera system for determining the at least one spot is moved transversely to the conveying direction of the item of laundry via the same, preferably while the item of laundry is moved relative to the at least one sensor or is moved in the conveying direction of the sensor array or the camera system. It is also conceivable that, in particular for large items of laundry for the accurate scanning of the entire item of laundry, the sensor device is moved back and forth transversely to the conveying direction of the laundry article. This can be achieved inter alia that the laundry is scanned continuously and thus the accuracy of the scan is not limited by the screening of the sensors in a sensor bar.
  • At least one device for the plasma treatment is aligned relative to the item of laundry, in particular relative to the determined spot.
  • this at least one device for plasma treatment can move freely in a two-dimensional plane along x and y coordinates.
  • the sensor device determines a pair of coordinates for each detected spot and transmits this to the device for plasma treatment.
  • these coordinates are transferred to the latter upon knowledge of the transport speed of the item of laundry and of the positioning of the sensor device and the device for plasma treatment, whereupon the device for plasma treatment is moved to the coordinates representing a spot.
  • Another embodiment of the invention is directed to the fact that the device for plasma treatment is coupled to the movement of the sensor device, in particular is moved independently of the sensor device.
  • the device for plasma treatment moves with the sensor device so as to get as fast as possible to the particular coordinate representing a spot.
  • the plasma treatment device can also be located in a central waiting position, from which it can reach each coordinate of the laundry item as quickly as possible.
  • the invention further provides that the means for the plasma treatment for removing the stain is moved along with the moving laundry item, in particular being moved over at least the entire area of the stain, preferably also beyond an edge region of the spot.
  • the size of the spot in particular the degree of soiling, is also determined by the sensor device.
  • the means for plasma treatment is controlled by the controller. First, the plasma treatment device is thus moved to the detected spot, and then the entire spot is swept, while being treated with plasma in accordance with the degree of soiling. It can be determined by the control unit, how large the edge area is to be designed around the stain to avoid possible shadowing.
  • the invention may further provide that for the removal of the at least one spot by the means for plasma treatment, the transport of the laundry item is temporarily interrupted, and the means for plasma treatment is moved relative to the laundry item.
  • the belt conveyor or the transport rail may interrupt the conveying of the item of laundry at short notice, so that the means for plasma treatment can remove the corresponding stain particularly thoroughly. Because the time for the plasma treatment is limited by the length of the transport path, it can be provided that the laundry transport is stopped, at least in the short term.
  • the present invention can further provide that the determination of the spot by the sensor device and / or the removal of the spot by the device for plasma treatment takes place continuously, in particular discontinuously, during the transport of the item of laundry.
  • the device for plasma treatment is activated only when a piece of laundry is registered by the sensor device.
  • the sensors are only active when a piece of laundry is located on the belt conveyor or on the transport rail.
  • the controller finds a Evaluation of the different spots instead.
  • This score can be determined by the size and / or degree of contamination.
  • the degree of contamination can be determined by means of a contrast gradient with respect to the spot and its surroundings.
  • the user can decide whether to treat only the largest spot or only the largest dirt or stains in a presettable order.
  • This prioritizing of stains has the advantage that the quality of the aftertreatment or the plasma treatment can be determined by setting a limit value or threshold value. Furthermore, it is conceivable that a plurality of spots are treated simultaneously by a plurality of plasma treatment facilities.
  • the apparatus has a device for detecting stains, as well as a plasma treatment device in order to remove an optionally determined stain at least for the most part.
  • a plasma treatment device assigned to the device stains can be selectively removed without the entire item of laundry having to be subjected to a plasma treatment. This can be saved on the one hand and on the other hand, the mechanical stress of the laundry by the treatment can be reduced.
  • the present invention further provides that the device for determining stains is a sensor device.
  • This sensor device is designed in particular as at least one sensor, as a sensor rod or sensor strip, as a sensor array or as a camera system, which is preferably arranged downstream of a defect or a finisher.
  • the sensor associated with the sensor device can be a contrast-sensitive photocell which moves relative to the laundry item.
  • it is preferably provided to position a sensor bar, equipped with, for example, said photocells, stationarily over a belt conveyor transporting the laundry items in order to detect stains via the detection of light-dark patterns.
  • the device is assigned a camera system which detects spots via an image processing or image recognition system and generates a corresponding signal.
  • a position and / or a size and / or a shape and / or a degree of contamination and / or the type of contamination of the item of laundry can be determined by the sensor device.
  • the enumerated characteristics can be determined.
  • several references may be stored in an image processing system with which the recorded spot is compared for categorizing. These characteristics of the determined spot are forwarded to a control unit for further control of the device, for example.
  • a preferred particularly advantageous embodiment of the present invention provides that the plasma treatment device has at least one plasma-generating plasma head, which is movable in at least two dimensions relative to the laundry article.
  • the determined by the sensor device position of the detected spot is converted by a control unit in a coordinate pair or in x-y coordinates. These coordinates are forwarded to the plasma treatment device, which in turn moves the plasma head to the corresponding coordinates to the spot on the laundry.
  • the sensor device in addition to the two-dimensional x-y coordinates, the sensor device also determines a z-coordinate lying perpendicular to the x-y plane, which describes, for example, a curvature of the item of laundry. Such a coordinate triple is then forwarded to the plasma head, which is supplied to the laundry according to the coordinate.
  • the at least one plasma head is controllable, in particular positionable, relative to the laundry article, and preferably moves with the laundry article at the transport speed of the laundry article. Characterized in that during the plasma treatment, the laundry item is transported on the belt conveyor or along a transport rail, the plasma head must move according to the transport movement of the laundry article. This means that the laundry item and the plasma head move relative to one another only to the extent that is predetermined by the shape of the spot to be treated.
  • a further exemplary embodiment of the present invention provides that the sensor device and / or the device for the plasma treatment can be operated continuously, in particular discontinuously or in a pulsed manner.
  • the sensor device or the device for plasma treatment may be inactive if there is no item of laundry on the belt conveyor or if no spot is detected by the sensor device.
  • Fig. 1 illustrated embodiment of the device 10 according to the invention for the post-treatment of laundry may in combination with a shortage 11 (s. Fig. 1 ), but also in combination with a finisher, especially with a tunnel finisher.
  • a shortage 11 s. Fig. 1
  • a finisher especially with a tunnel finisher.
  • defect 11 is of known type and should therefore not be further described here.
  • a transport device in particular a belt conveyor 13, for further aftertreatment.
  • the belt conveyor 13 transports the laundry items 12 to a subsequent treatment device 14 Fig. 1
  • treatment device 14 may be a folding device, but is not limited thereto.
  • the transport to a further treatment device 14 via transport rails or the like in the hanging state.
  • the Fig. 1 and 2 Device 10 shown on a sensor device 15 and a plasma treatment device 16.
  • the sensor device 15, as well as the plasma treatment device 16 are optionally connected to each other by a control unit, not shown.
  • the illustrated sensor device 15 may be, for example, a sensor strip 17 having a plurality of individual sensors. This sensor strip 17 is transversely to a conveying direction 18, extending over the entire width of the belt conveyor 13, positioned.
  • the sensor bar 17 is stationary, that is, does not move. It should be noted, however, that the sensor device 15 may also be individual sensors that move relative to the belt conveyor 13 or a more complex array of sensors, such as a matrix of multiple sensors or a camera system.
  • the sensor device 15 follows viewed in the conveying direction 18, also assigned to the belt conveyor 13, the plasma treatment device 16.
  • the plasma treatment device 16 is in the Fig. 1 and 2 shown only schematically.
  • This plasma treatment device 16 may be a device with a plasma head 19 or with a plasma gun, which emits plasma, that is, charged particles, in a targeted or directed manner.
  • the plasma head 19 plasma of different energy, or emitted with different energy density.
  • the plasma head 19 is also in the embodiment shown here the Fig. 2 in a parallel over the belt conveyor 13 extending xy-plane 20 freely movable. Each point of this xy plane 20 is described by a coordinate pair xy. Via a mechanical drive, the plasma head 19 can be automatically moved to each of these coordinates xy.
  • a garment 12 is passed from a defect 11 to a belt conveyor 13.
  • the belt conveyor 13 transports the laundry article 12 as seen in the conveying direction 18 to a further treatment device 14.
  • the laundry article 12 is in a flat, deployed state on the belt conveyor 13.
  • the individual sensors of the sensor bar 17 measure virtually continuously over the entire width of the laundry item 12 contrast variations on the laundry item 12. Contrast variations or light-dark changes can give indications of spots 21. Characterized in that the laundry item 12 is moved under the sensor bar 17, the shape of a spot 21 can be virtually mapped. That is, the shape or size, as well as the coordinates of the spot 21 on the garment 12 are determined. Furthermore, the type and degree of contamination can be determined via a contrast gradient.
  • the sensor strip 17 on a piece of laundry 12 detects a plurality of spots 21, or detects a plurality of juxtaposed spots 21, these spots 21 are weighted or compared with each other. In this weighting or prioritization of the patches 21, these are sorted, for example, according to size and degree of contamination.
  • All recorded by the sensor bar 17 data are transmitted to the control unit, not shown, and optionally further processed.
  • the control unit may further calculate the coordinates of the spot 21 on the advancing belt conveyor 13 knowing the transport speed. These data can be transmitted to the plasma treatment device 16 for further aftertreatment.
  • the plasma head 19, according to the coordinates of the spot 21, is brought into position over the spot 21.
  • the spot 21 is removed. For a plurality of spots 21, only the spot 21 having the highest priority is treated first. Depending on the remaining time or quality requirements, the patches 21 following in the priority can also be removed below.
  • the invention can further provide that, for a complete removal of all patches 21, the belt conveyor 13 is stopped, at least in the short term, so that the plasma head 19 can remove all patches 21.
  • the item of laundry 12 is sorted out without any subsequent treatment by the plasma treatment device 16.
  • the preceding treatment device is not a defect 11 but, for example, a finisher in which the items of laundry 12 are fed to a further treatment device 14
  • corresponding sensor devices 15 can be provided on one or both sides over the entire length or Height of the laundry items 12 extend and equally determine spots 21.
  • a plasma treatment device 16 is aligned from one side or both sides of the garment 12 in correspondence with the coordinates of the detected stain 21 to remove the stain 21.
  • the plasma treatment device 16 has a plurality of plasma heads 19 which independently of one another remove a plurality of spots 21, optionally on different sides of the item of laundry 12.

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Treatment Of Fiber Materials (AREA)
EP16000310.9A 2015-04-01 2016-02-06 Procede et dispositif de post-traitement de linge Withdrawn EP3075896A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102015004168.1A DE102015004168A1 (de) 2015-04-01 2015-04-01 Verfahren und Vorrichtung zum Nachbehandeln von Wäschestücken

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Publication Number Publication Date
EP3075896A1 true EP3075896A1 (fr) 2016-10-05

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EP16000310.9A Withdrawn EP3075896A1 (fr) 2015-04-01 2016-02-06 Procede et dispositif de post-traitement de linge

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DE (1) DE102015004168A1 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3826434A1 (fr) * 2019-11-19 2021-05-26 Terraplasma GmbH Dispositif à plasma
DE102020215102A1 (de) 2020-12-01 2022-06-02 BSH Hausgeräte GmbH Verfahren zum Ansteuern einer Plasmaquelle eines Geräts und Gerät
DE102020215105A1 (de) 2020-12-01 2022-06-02 BSH Hausgeräte GmbH Gerät zur Behandlung eines Gegenstands mit Plasma

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102020203400A1 (de) 2020-03-17 2021-09-23 Henkel Ag & Co. Kgaa Waschmaschine oder Geschirrspülmaschine mit Generator von kaltem Plasma
DE102020203397A1 (de) 2020-03-17 2021-09-23 Henkel Ag & Co. Kgaa Leistungsverstärkung beim Waschen und Reinigen
DE102020203399A1 (de) 2020-03-17 2021-09-23 Henkel Ag & Co. Kgaa Waschvorrichtung mit Generator von kaltem Plasma
DE102020215099A1 (de) 2020-12-01 2022-06-02 BSH Hausgeräte GmbH Reinigungsverfahren von Bekleidungsstücken

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1897986A1 (fr) * 2006-09-05 2008-03-12 Electrolux Home Products Corporation N.V. Appareil de nettoyage de tissu
EP1990461A2 (fr) * 2007-05-07 2008-11-12 Whirlpool Corporation Contrôle de synchronisation et cycle de lavage synchronisé pour machine à laver automatique
WO2009144905A1 (fr) * 2008-05-29 2009-12-03 株式会社プレックス Machine de pliage ayant une fonction d'inspection
DE102010027795A1 (de) * 2010-04-15 2011-10-20 BSH Bosch und Siemens Hausgeräte GmbH Hausgerät mit Plasmagenerator und Verfahren zu seinem Betrieb
EP2402661A1 (fr) * 2010-07-02 2012-01-04 Electrolux Home Products Corporation N.V. Appareil ménager ainsi que procédé de désinfection d'une unité sécondaire d'un appareil ménager et/ou réduction des odeurs
DE102012219418A1 (de) * 2011-10-24 2013-04-25 Lg Electronics Inc. Wäschetrockner und Verfahren zu seiner Steuerung
DE102012003940A1 (de) * 2012-03-01 2013-09-05 Herbert Kannegiesser Gmbh Verfahren zum Behandeln von Textilien, insbesondere Bekleidungsstücken, in einem Tunnelfinisher

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1897986A1 (fr) * 2006-09-05 2008-03-12 Electrolux Home Products Corporation N.V. Appareil de nettoyage de tissu
EP1990461A2 (fr) * 2007-05-07 2008-11-12 Whirlpool Corporation Contrôle de synchronisation et cycle de lavage synchronisé pour machine à laver automatique
WO2009144905A1 (fr) * 2008-05-29 2009-12-03 株式会社プレックス Machine de pliage ayant une fonction d'inspection
DE102010027795A1 (de) * 2010-04-15 2011-10-20 BSH Bosch und Siemens Hausgeräte GmbH Hausgerät mit Plasmagenerator und Verfahren zu seinem Betrieb
EP2402661A1 (fr) * 2010-07-02 2012-01-04 Electrolux Home Products Corporation N.V. Appareil ménager ainsi que procédé de désinfection d'une unité sécondaire d'un appareil ménager et/ou réduction des odeurs
DE102012219418A1 (de) * 2011-10-24 2013-04-25 Lg Electronics Inc. Wäschetrockner und Verfahren zu seiner Steuerung
DE102012003940A1 (de) * 2012-03-01 2013-09-05 Herbert Kannegiesser Gmbh Verfahren zum Behandeln von Textilien, insbesondere Bekleidungsstücken, in einem Tunnelfinisher

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3826434A1 (fr) * 2019-11-19 2021-05-26 Terraplasma GmbH Dispositif à plasma
WO2021099181A1 (fr) * 2019-11-19 2021-05-27 BSH Hausgeräte GmbH Dispositif à plasma
WO2021099436A1 (fr) * 2019-11-19 2021-05-27 Terraplasma Gmbh Dispositif à plasma
GB2602401A (en) * 2019-11-19 2022-06-29 Terraplasma Gmbh Plasma device
GB2602401B (en) * 2019-11-19 2025-03-26 Terraplasma Gmbh Plasma device
US12484137B2 (en) 2019-11-19 2025-11-25 Terraplasma Gmbh Plasma device activation within a predetermined distance
DE102020215102A1 (de) 2020-12-01 2022-06-02 BSH Hausgeräte GmbH Verfahren zum Ansteuern einer Plasmaquelle eines Geräts und Gerät
DE102020215105A1 (de) 2020-12-01 2022-06-02 BSH Hausgeräte GmbH Gerät zur Behandlung eines Gegenstands mit Plasma
EP4009746A1 (fr) * 2020-12-01 2022-06-08 BSH Hausgeräte GmbH Procédé de commande d'une source de plasma d'un appareil et appareil

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