EP3794175A1 - A bearer for detecting dryness to be used in a washer/dryer operating in interaction with said bearer - Google Patents

A bearer for detecting dryness to be used in a washer/dryer operating in interaction with said bearer

Info

Publication number
EP3794175A1
EP3794175A1 EP19720857.2A EP19720857A EP3794175A1 EP 3794175 A1 EP3794175 A1 EP 3794175A1 EP 19720857 A EP19720857 A EP 19720857A EP 3794175 A1 EP3794175 A1 EP 3794175A1
Authority
EP
European Patent Office
Prior art keywords
bearer
connecting piece
laundry items
drum
light source
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP19720857.2A
Other languages
German (de)
French (fr)
Other versions
EP3794175B1 (en
Inventor
Resul KARTAL
Ali Levent Hasanreisoglu
Basak BENGU
Kadir Ceran
Nihat Gunduz
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.)
Arcelik AS
Original Assignee
Arcelik AS
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 Arcelik AS filed Critical Arcelik AS
Publication of EP3794175A1 publication Critical patent/EP3794175A1/en
Application granted granted Critical
Publication of EP3794175B1 publication Critical patent/EP3794175B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • 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
    • D06F34/00—Details of control systems for washing machines, washer-dryers or laundry dryers
    • D06F34/14—Arrangements for detecting or measuring specific parameters
    • D06F34/18—Condition of the laundry, e.g. nature or weight
    • 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
    • D06F2103/02—Characteristics of laundry or load
    • D06F2103/08—Humidity
    • 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
    • D06F39/024—Devices for adding soap or other washing agents mounted on the agitator or the rotating drum; Free body dispensers

Definitions

  • the present invention relates to a bearer for detecting dryness, and a washer-dryer operating in interaction with said bearer.
  • washer-dryers during drying process, parameters of the laundry items in a drum such as dryness, temperature, etc. have to be measured precisely and accurately.
  • the duration of drying process depends on the laundry items reaching the accurate levels of dryness and temperature, and upon reaching of said levels drying process is terminated.
  • Various sensors are provided on washer-dryers, enabling measuring parameters such as conductivity, temperature, humidity, etc., and the washer-dryer is controlled by means of the data received from such sensors.
  • conductivity is measured during drying process and drying process is terminated according to this measurement.
  • Conductivity is measured by means of two electrodes stably placed at the front portion of a drum. During drying process, the conductivity value of the laundry items can be measured when the laundry items in the drum contact said electrodes.
  • Laundry items are more conductive in humid state.
  • the conductivity of the laundry items decreases as it dries and loses its humidity.
  • the conductivity of only the laundry items contacting the electrodes can be measured during drying.
  • the possibility of the electrodes contacting the laundry items significantly decreases when there is a small amount of laundry items in the drum which are not distributed homogeneously, thereby making it more difficult to determine drying. In this case, drying process is terminated by a timer. This, however, leads to drying process not being fully performed or the laundry items being thermally damaged by being over-dried.
  • the aim of the present invention is to realize a bearer for detecting dryness, and a washer-dryer operating in interaction with said bearer.
  • the bearer realized to achieve the aim of the present invention and disclosed in the first claim and the dependent claims, is placed in the drum together with the laundry items, moves freely in the drum with the laundry items, enables parameters relating to dryness of the laundry items such as humidity, temperature, dryness to be measured precisely and accurately by contacting all of the laundry items in the drum, and comprises at least one light source placed therein, and a light transmitting connecting piece provided on the bearer, enabling the light emitted by the light source to be dispersed in the environment of the bearer.
  • the connecting piece is made of a partially translucent material.
  • the connecting piece is made of a completely translucent material.
  • the bearer is shaped as a hollow chamber, and in the preferred embodiment, it comprises a first and a second shell, and is preferably shaped as a sphere.
  • the first and the second shells are coupled to each other by means of the connecting piece.
  • the connecting piece is interposed between the first and the second shells.
  • the first and the second shells are firmly and sealingly coupled to each other by means of the connecting piece capable of transmitting light.
  • the invention also relates to a washer-dryer adapted to operate in interaction with the bearer.
  • Figure 1 is a perspective view of a washer-dryer.
  • Figure 2 is a perspective view of a bearer and electrodes.
  • Figure 3 is an exploded view of the first shell, second shell, connecting piece and the light source.
  • Figure 4 is a side sectional view of the bearer assembled with its components.
  • the bearer (3) suitable for being used with a washer-dryer (1) having a drum (2) in which the laundry items are placed comprises at least two electrodes (8) used for detecting dryness of the laundry items by contacting the laundry items inside the drum (2), a control unit in which the dryness information detected by the electrodes (8) is evaluated, at least one light source (4) placed therein, and a light transmitting connecting piece (9) provided on the bearer (3), enabling the light emitted by the light source (4) to be dispersed in the environment of the bearer (3) ( Figure 1, Figure 2 and Figure 3).
  • the bearer (3) on which the electrodes (8) are placed and bearing the electrodes (8), is placed in the drum (2) together with the laundry items, moves freely with the laundry items in the drum (2), and enables parameters relating to dryness of the laundry items such as humidity, temperature, dryness to be measured precisely and accurately by contacting all of the laundry items in the drum (2).
  • the light source (4) activates when the bearer (3) is operating or being recharged, and the light emitted by the light source (4) in the bearer (3) passes through the connecting piece (9) capable of transmitting light and is dispersed in the environment of the bearer (3). This makes it possible for a user to externally observe the bearer (3), enabling the user to perceive whether the bearer (3) is operating or its condition.
  • the connecting piece (9) is made of a partially translucent material.
  • the connecting piece (9) is made of a completely translucent material.
  • the bearer (3) is shaped as a hollow sphere and comprises a first and a second shell (5 and 6), and its outer wall consists of the first and the second shells (5 and 6) and the connecting piece (9) interposed between the first and the second shells (5 and 6).
  • the bearer (3) is preferably spherical.
  • the first and the second shells (5 and 6) are coupled to each other by means of the connecting piece (9).
  • the connecting piece (9) is interposed between the first and the second shells (5 and 6).
  • the first and the second shells (5 and 6) are firmly and sealingly coupled to each other by means of the connecting piece (9) capable of transmitting light.
  • the spherical bearer (3) is formed by joining the semi-spherical first and the second shells (5 and 6) by means of a connecting piece (9) capable of transmitting light, disposed in between the shells so as to extend along the diameter.
  • the light source (4) provided in the bearer (3) is activated, the light source (4) emits light inside the bearer (3), the emitted light reaches the connecting piece (9) capable of transmitting light, and is dispersed in the environment of the bearer (3) by passing through the connecting piece (9).
  • the connecting piece (9) capable of transmitting light
  • the bearer (3) comprises a base (7) on which the light source (4) is mounted.
  • the light source (4) is fastened on said base (7).
  • the base (7) and the connecting piece (9) are positioned parallel to each other inside the bearer (3).
  • the first and the second shells (5 and 6) are made of translucent material.
  • the connecting piece (9) is a part which also bears the power supply.
  • the invention also relates to a washer-dryer (1) adapted to operate in interaction with the bearer (3).
  • the bearer (3) comprises at least two light sources (4) of which one activates when the bearer (3) is operating in the drum (2) and the other when the bearer (3) is being recharged.
  • the bearer (3) comprises at least one light source (4) radiating in a given frequency when the bearer (3) is operating in the drum (2) and radiating in another frequency when the bearer (3) is being recharged.
  • the bearer (3) is used to measure the dryness level of the objects it contacts in the environment in which it is placed by the user.
  • the electrodes (8) made of conductive material, collect data in real-time from the objects contacting the bearer in the environment in which it is placed.
  • the environment in which the bearer (3) is placed is moving, e.g. the drum (2) of a washer-dryer (1)
  • the bearer (3) contacts almost all of the laundry items in the drum (2) as it can move freely, and enables receiving real-time dryness information from all of the laundry items.
  • the electrodes (8) are thus enabled to contact all of the laundry items independent of the amount and the distribution of the laundry items in the drum (2), thereby enabling collecting the information of the parameters related to the dryness of the laundry items in the most precise and accurate manner.
  • the electric current generated between the electrodes (8) during contacting of the electrodes (8) to the laundry items is transmitted to the control unit (7) and the dryness of the laundry items is evaluated.

Landscapes

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

Abstract

The bearer (3) of the invention is suitable for being used with a washer-dryer (1 ) having a drum (2) in which the laundry items are placed, and comprises at least two electrodes (8) used for detecting dryness of the laundry items by contacting the laundry items inside the drum (2), a control unit in which the dryness information detected by the electrodes (8) is evaluated, and at least one light source (4) placed therein, and a light transmitting connecting piece (9) provided on the bearer (3), enabling the light emitted by the light source (4) to be dispersed in the environment of the bearer (3).

Description

    [Title established by the ISA under Rule 37.2] A BEARER FOR DETECTING DRYNESS TO BE USED IN A WASHER/DRYER OPERATING IN INTERACTION WITH SAID BEARER
  • The present invention relates to a bearer for detecting dryness, and a washer-dryer operating in interaction with said bearer.
  • In washer-dryers during drying process, parameters of the laundry items in a drum such as dryness, temperature, etc. have to be measured precisely and accurately. The duration of drying process depends on the laundry items reaching the accurate levels of dryness and temperature, and upon reaching of said levels drying process is terminated. Various sensors are provided on washer-dryers, enabling measuring parameters such as conductivity, temperature, humidity, etc., and the washer-dryer is controlled by means of the data received from such sensors.
  • Generally in washer-dryers, conductivity is measured during drying process and drying process is terminated according to this measurement. Conductivity is measured by means of two electrodes stably placed at the front portion of a drum. During drying process, the conductivity value of the laundry items can be measured when the laundry items in the drum contact said electrodes.
  • Laundry items are more conductive in humid state. The conductivity of the laundry items decreases as it dries and loses its humidity. The conductivity of only the laundry items contacting the electrodes can be measured during drying. The possibility of the electrodes contacting the laundry items significantly decreases when there is a small amount of laundry items in the drum which are not distributed homogeneously, thereby making it more difficult to determine drying. In this case, drying process is terminated by a timer. This, however, leads to drying process not being fully performed or the laundry items being thermally damaged by being over-dried.
  • There are several applications for detecting the dryness of the laundry items in the state of the art. One of these applications is, as mentioned above, detecting dryness by placing at least two electrodes to a position where they will contact the laundry items during drying process, and forming a current bridge between two electrodes when the damp laundry items contacts the two electrodes, and evaluating the difference between the resistance values of the electrodes.
  • A state of the art embodiment is disclosed in the international patent application no. WO2004022836. This patent application discloses a washer-dryer comprising a sensor provided on a drum, communicating with a control unit by contactless signal transmission.
  • Another embodiment of the state of the art is disclosed in the European Patent Application no. EP0940494. Said document also discloses a washer-dryer comprising a conductivity sensor used for detecting dryness of laundry items, and wirelessly communicating with a control unit.
  • The aim of the present invention is to realize a bearer for detecting dryness, and a washer-dryer operating in interaction with said bearer.
  • The bearer realized to achieve the aim of the present invention and disclosed in the first claim and the dependent claims, is placed in the drum together with the laundry items, moves freely in the drum with the laundry items, enables parameters relating to dryness of the laundry items such as humidity, temperature, dryness to be measured precisely and accurately by contacting all of the laundry items in the drum, and comprises at least one light source placed therein, and a light transmitting connecting piece provided on the bearer, enabling the light emitted by the light source to be dispersed in the environment of the bearer.
  • In an embodiment of the invention, the connecting piece is made of a partially translucent material.
  • In another embodiment of the invention, the connecting piece is made of a completely translucent material.
  • In an embodiment of the invention, the bearer is shaped as a hollow chamber, and in the preferred embodiment, it comprises a first and a second shell, and is preferably shaped as a sphere. The first and the second shells are coupled to each other by means of the connecting piece. In this case, the connecting piece is interposed between the first and the second shells. The first and the second shells are firmly and sealingly coupled to each other by means of the connecting piece capable of transmitting light. By this, humidity, vapor or water is prevented from penetrating the bearer in the drum which has a humid environment.
  • The invention also relates to a washer-dryer adapted to operate in interaction with the bearer.
  • The bearer and the washer-dryer adapted to operate in interaction with the bearer realized to achieve the aims of the present invention are illustrated in the accompanying drawings, wherein:
  • Figure 1 is a perspective view of a washer-dryer.
  • Figure 2 is a perspective view of a bearer and electrodes.
  • Figure 3 is an exploded view of the first shell, second shell, connecting piece and the light source.
  • Figure 4 is a side sectional view of the bearer assembled with its components.
  • The elements in the figures are numbered individually and the correspondence of these numbers are given hereinafter.
    1. Washer/dryer
    2. Drum
    3. Bearer
    4. Light source
    5. First shell
    6. Second shell
    7. Base
    8. Electrode
    9. Connecting piece
  • The bearer (3) suitable for being used with a washer-dryer (1) having a drum (2) in which the laundry items are placed, comprises at least two electrodes (8) used for detecting dryness of the laundry items by contacting the laundry items inside the drum (2), a control unit in which the dryness information detected by the electrodes (8) is evaluated, at least one light source (4) placed therein, and a light transmitting connecting piece (9) provided on the bearer (3), enabling the light emitted by the light source (4) to be dispersed in the environment of the bearer (3) (Figure 1, Figure 2 and Figure 3).
  • The bearer (3) on which the electrodes (8) are placed and bearing the electrodes (8), is placed in the drum (2) together with the laundry items, moves freely with the laundry items in the drum (2), and enables parameters relating to dryness of the laundry items such as humidity, temperature, dryness to be measured precisely and accurately by contacting all of the laundry items in the drum (2). By means of the bearer (3) of the invention, the light source (4) activates when the bearer (3) is operating or being recharged, and the light emitted by the light source (4) in the bearer (3) passes through the connecting piece (9) capable of transmitting light and is dispersed in the environment of the bearer (3). This makes it possible for a user to externally observe the bearer (3), enabling the user to perceive whether the bearer (3) is operating or its condition.
  • In an embodiment of the invention, the connecting piece (9) is made of a partially translucent material.
  • In another embodiment of the invention, the connecting piece (9) is made of a completely translucent material.
  • In an embodiment of the invention, the bearer (3) is shaped as a hollow sphere and comprises a first and a second shell (5 and 6), and its outer wall consists of the first and the second shells (5 and 6) and the connecting piece (9) interposed between the first and the second shells (5 and 6). In this embodiment, the bearer (3) is preferably spherical. The first and the second shells (5 and 6) are coupled to each other by means of the connecting piece (9). In this case, the connecting piece (9) is interposed between the first and the second shells (5 and 6). The first and the second shells (5 and 6) are firmly and sealingly coupled to each other by means of the connecting piece (9) capable of transmitting light. By this, humidity, vapor or water is prevented from penetrating the bearer (3) in the drum (2) which has a humid environment.
  • In an embodiment of the invention, the spherical bearer (3) is formed by joining the semi-spherical first and the second shells (5 and 6) by means of a connecting piece (9) capable of transmitting light, disposed in between the shells so as to extend along the diameter. When the light source (4) provided in the bearer (3) is activated, the light source (4) emits light inside the bearer (3), the emitted light reaches the connecting piece (9) capable of transmitting light, and is dispersed in the environment of the bearer (3) by passing through the connecting piece (9). In this state, the user can conveniently observe the bearer (3). Thus, illumination is provided on the bearer (3) wall all along a spherical surface. In this embodiment of the invention, the two semi-spherical first and the second shells (5 and 6) and the connecting piece (9) are sealingly interlocked by means of screw pitches formed preferably along their edges and on the edges of the connecting piece (9).
  • In an embodiment of the invention, the bearer (3) comprises a base (7) on which the light source (4) is mounted. The light source (4) is fastened on said base (7). In this embodiment of the invention, the base (7) and the connecting piece (9) are positioned parallel to each other inside the bearer (3).
  • In an embodiment of the invention, the first and the second shells (5 and 6) are made of translucent material.
  • In an embodiment of the invention, the connecting piece (9) is a part which also bears the power supply.
  • The invention also relates to a washer-dryer (1) adapted to operate in interaction with the bearer (3).
  • In another embodiment of the invention, the bearer (3) comprises at least two light sources (4) of which one activates when the bearer (3) is operating in the drum (2) and the other when the bearer (3) is being recharged.
  • In another embodiment of the invention, the bearer (3) comprises at least one light source (4) radiating in a given frequency when the bearer (3) is operating in the drum (2) and radiating in another frequency when the bearer (3) is being recharged.
  • The bearer (3) is used to measure the dryness level of the objects it contacts in the environment in which it is placed by the user. The electrodes (8) made of conductive material, collect data in real-time from the objects contacting the bearer in the environment in which it is placed. In case the environment in which the bearer (3) is placed is moving, e.g. the drum (2) of a washer-dryer (1), the bearer (3) contacts almost all of the laundry items in the drum (2) as it can move freely, and enables receiving real-time dryness information from all of the laundry items. The electrodes (8) are thus enabled to contact all of the laundry items independent of the amount and the distribution of the laundry items in the drum (2), thereby enabling collecting the information of the parameters related to the dryness of the laundry items in the most precise and accurate manner. The electric current generated between the electrodes (8) during contacting of the electrodes (8) to the laundry items, is transmitted to the control unit (7) and the dryness of the laundry items is evaluated.

Claims (11)

  1. A bearer (3) suitable for being used with a washer-dryer (1) having a drum (2) in which the laundry items are placed, comprising at least two electrodes (8) used for detecting dryness of the laundry items by contacting the laundry items inside the drum (2), and a control unit in which the dryness information detected by the electrodes (8) is evaluated, characterized by at least one light source (4) placed therein, and by a light transmitting connecting piece (9) provided on the bearer (3), enabling the light emitted by the light source (4) to be dispersed in the environment of the bearer (3).
  2. A bearer (3) according to claim 1, characterized by the light source (4) activating upon operation or recharging of the bearer (3).
  3. A bearer (3) according to claim 1, characterized by the connecting piece (9) made of a partially translucent material.
  4. A bearer (3) according to claim 1, characterized by the connecting piece (9) made of a completely translucent material.
  5. A bearer (3) according to claim 1, shaped as a hollow chamber and comprising a first and a second shell (5 and 6), characterized by the connecting piece (9) interposed between the first and the second shells (5 and 6).
  6. A bearer (3) according to claim 5, characterized by the semi-spherical first and second shells (5 and 6) and by the connecting piece (9) capable of transmitting light, disposed in between the shells so as to extend along the diameter.
  7. A bearer (3) according to claim 1, characterized by a base (7) on which the light source (4) is mounted.
  8. A bearer (3) according to claim 7, characterized by the base (7) and the connecting piece (9) positioned parallel to each other inside the bearer (3).
  9. A bearer (3) according to claim 5 and 6, characterized by the first and second shells (5 and 6) made of translucent material.
  10. A bearer (3) according to claim 1, characterized by at least two light sources (4) of which one activates when the bearer (3) is operating in the drum (2) and the other activates when the bearer (3) is being recharged.
  11. A bearer (3) according to claim 1, characterized by at least one light source (4) radiating in given a frequency when the bearer (3) is operating in the drum (2) and radiating in another frequency when the bearer (3) is being recharged.
EP19720857.2A 2018-05-17 2019-04-29 A bearer for detecting dryness to be used in a washer/dryer operating in interaction with said bearer Active EP3794175B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
TR201806966 2018-05-17
PCT/EP2019/060952 WO2019219364A1 (en) 2018-05-17 2019-04-29 A bearer for detecting dryness to be used in a washer/dryer operating in interaction with said bearer

Publications (2)

Publication Number Publication Date
EP3794175A1 true EP3794175A1 (en) 2021-03-24
EP3794175B1 EP3794175B1 (en) 2023-07-12

Family

ID=66349550

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19720857.2A Active EP3794175B1 (en) 2018-05-17 2019-04-29 A bearer for detecting dryness to be used in a washer/dryer operating in interaction with said bearer

Country Status (2)

Country Link
EP (1) EP3794175B1 (en)
WO (1) WO2019219364A1 (en)

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19808839C1 (en) 1998-03-03 1999-07-01 Whirlpool Co Washer-dryer with process controller and conductivity sensor
DE10242144A1 (en) 2002-09-04 2004-03-18 E.G.O. Control Systems Gmbh & Co. Kg Tumble dryer with sensor device
DE102010028354A1 (en) * 2010-04-29 2011-12-29 Henkel Ag & Co. Kgaa Dosing system for use in connection with a water-conducting household appliance such as a washing machine, dishwasher, clothes dryer or the like
TR201706601A2 (en) * 2017-05-04 2018-11-21 Arcelik As A CARRIER THAT PROVIDES DRY PERCEPTION AND WASHER WASHER USED

Also Published As

Publication number Publication date
WO2019219364A1 (en) 2019-11-21
EP3794175B1 (en) 2023-07-12

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